diff options
| author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-12-18 17:53:53 +0000 |
|---|---|---|
| committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-12-18 17:53:53 +0000 |
| commit | 13e1228de3690c8c831b9cccbe5a34674e743362 (patch) | |
| tree | 0c747bbe3b9ccb30a4e4c5e277825d9a8ba914e4 | |
| parent | 8f54e709747e711460f8a49acdcf86841920db8b (diff) | |
goldfish: R.I.P.
It is broken and it is not maintained by anyone since long time.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34766 3c298f89-4303-0410-b956-a3cf2f4a3e73
54 files changed, 0 insertions, 16267 deletions
diff --git a/target/linux/goldfish/Makefile b/target/linux/goldfish/Makefile deleted file mode 100644 index dae4c3e304..0000000000 --- a/target/linux/goldfish/Makefile +++ /dev/null @@ -1,25 +0,0 @@ -# -# Copyright (C) 2006-2009 OpenWrt.org -# -# This is free software, licensed under the GNU General Public License v2. -# See /LICENSE for more information. -# -include $(TOPDIR)/rules.mk - -ARCH:=arm -BOARD:=goldfish -BOARDNAME:=Goldfish (Android Emulator) -FEATURES:=broken -CFLAGS:=-O2 -pipe -march=armv5te -mtune=xscale -fno-caller-saves - -LINUX_VERSION:=2.6.30.10 - -DEVICE_TYPE=phone - -define Target/Description - Android emulator virtual platform -endef - -include $(INCLUDE_DIR)/target.mk - -$(eval $(call BuildTarget)) diff --git a/target/linux/goldfish/config-2.6.30 b/target/linux/goldfish/config-2.6.30 deleted file mode 100644 index a819f66b59..0000000000 --- a/target/linux/goldfish/config-2.6.30 +++ /dev/null @@ -1,199 +0,0 @@ -CONFIG_ALIGNMENT_TRAP=y -# CONFIG_APM_EMULATION is not set -CONFIG_ARCH_GOLDFISH=y -# CONFIG_ARCH_HAS_HOLES_MEMORYMODEL is not set -# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set -# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set -CONFIG_ARCH_SUSPEND_POSSIBLE=y -CONFIG_ARM=y -CONFIG_ARM_THUMB=y -# CONFIG_BACKTRACE_SELF_TEST is not set -CONFIG_BATTERY_GOLDFISH=y -# CONFIG_BINARY_PRINTF is not set -CONFIG_BITREVERSE=y -# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set -CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 -# CONFIG_BOOT_PRINTK_DELAY is not set -CONFIG_CMDLINE="console=/dev/ttyS0 root=mtdblock0 rootdelay=1 rootfstype=yaffs2" -# CONFIG_CONSOLE_EARLYSUSPEND is not set -CONFIG_CONSOLE_TRANSLATIONS=y -CONFIG_CPU_32=y -CONFIG_CPU_32v5=y -CONFIG_CPU_ABRT_EV5TJ=y -CONFIG_CPU_ARM926T=y -# CONFIG_CPU_CACHE_ROUND_ROBIN is not set -CONFIG_CPU_CACHE_VIVT=y -CONFIG_CPU_COPY_V4WB=y -CONFIG_CPU_CP15=y -CONFIG_CPU_CP15_MMU=y -# CONFIG_CPU_DCACHE_WRITETHROUGH is not set -# CONFIG_CPU_ICACHE_DISABLE is not set -CONFIG_CPU_PABRT_NOIFAR=y -CONFIG_CPU_TLB_V4WBI=y -CONFIG_CRYPTO_AEAD2=y -CONFIG_CRYPTO_BLKCIPHER2=y -CONFIG_CRYPTO_HASH2=y -CONFIG_CRYPTO_MANAGER2=y -CONFIG_CRYPTO_RNG2=y -CONFIG_CRYPTO_WORKQUEUE=y -# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set -CONFIG_DEBUG_BUGVERBOSE=y -# CONFIG_DEBUG_DEVRES is not set -# CONFIG_DEBUG_DRIVER is not set -# CONFIG_DEBUG_ERRORS is not set -# CONFIG_DEBUG_INFO is not set -CONFIG_DEBUG_KERNEL=y -# CONFIG_DEBUG_KOBJECT is not set -# CONFIG_DEBUG_LIST is not set -# CONFIG_DEBUG_LL is not set -# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set -# CONFIG_DEBUG_LOCK_ALLOC is not set -# CONFIG_DEBUG_MUTEXES is not set -# CONFIG_DEBUG_NOTIFIERS is not set -# CONFIG_DEBUG_OBJECTS is not set -# CONFIG_DEBUG_RT_MUTEXES is not set -# CONFIG_DEBUG_SG is not set -# CONFIG_DEBUG_SHIRQ is not set -# CONFIG_DEBUG_SLAB is not set -# CONFIG_DEBUG_SPINLOCK is not set -# CONFIG_DEBUG_SPINLOCK_SLEEP is not set -# CONFIG_DEBUG_STACK_USAGE is not set -# CONFIG_DEBUG_USER is not set -# CONFIG_DEBUG_VM is not set -# CONFIG_DEBUG_WRITECOUNT is not set -# CONFIG_DETECT_HUNG_TASK is not set -CONFIG_DETECT_SOFTLOCKUP=y -CONFIG_DEVKMEM=y -# CONFIG_DM9000 is not set -CONFIG_DUMMY_CONSOLE=y -CONFIG_EARLYSUSPEND=y -# CONFIG_FAULT_INJECTION is not set -CONFIG_FB=y -CONFIG_FB_CFB_COPYAREA=y -CONFIG_FB_CFB_FILLRECT=y -CONFIG_FB_CFB_IMAGEBLIT=y -CONFIG_FB_EARLYSUSPEND=y -CONFIG_FB_GOLDFISH=y -CONFIG_FB_MODE_HELPERS=y -CONFIG_FB_TILEBLITTING=y -# CONFIG_FIRMWARE_EDID is not set -# CONFIG_FONTS is not set -CONFIG_FONT_8x16=y -CONFIG_FONT_8x8=y -CONFIG_FRAMEBUFFER_CONSOLE=y -CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y -CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y -CONFIG_FRAME_POINTER=y -CONFIG_FREEZER=y -CONFIG_GENERIC_CLOCKEVENTS=y -CONFIG_GENERIC_CLOCKEVENTS_BUILD=y -CONFIG_GENERIC_FIND_LAST_BIT=y -# CONFIG_GENERIC_GPIO is not set -CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y -CONFIG_GOLDFISH_TTY=y -# CONFIG_HAMRADIO is not set -CONFIG_HARDIRQS_SW_RESEND=y -CONFIG_HAS_DMA=y -CONFIG_HAS_EARLYSUSPEND=y -CONFIG_HAS_IOMEM=y -CONFIG_HAS_IOPORT=y -CONFIG_HAS_WAKELOCK=y -CONFIG_HAVE_AOUT=y -CONFIG_HAVE_ARCH_KGDB=y -CONFIG_HAVE_FUNCTION_TRACER=y -CONFIG_HAVE_GENERIC_DMA_COHERENT=y -CONFIG_HAVE_IDE=y -CONFIG_HAVE_KPROBES=y -CONFIG_HAVE_KRETPROBES=y -CONFIG_HAVE_LATENCYTOP_SUPPORT=y -CONFIG_HAVE_MLOCK=y -CONFIG_HAVE_OPROFILE=y -CONFIG_HID=y -CONFIG_HID_SUPPORT=y -CONFIG_HW_CONSOLE=y -# CONFIG_HW_RANDOM is not set -CONFIG_INITRAMFS_SOURCE="" -CONFIG_INPUT=y -CONFIG_INPUT_EVDEV=y -CONFIG_INPUT_GPIO=y -CONFIG_INPUT_KEYBOARD=y -CONFIG_INPUT_KEYRESET=y -CONFIG_INPUT_MOUSEDEV=y -CONFIG_INPUT_MOUSEDEV_PSAUX=y -CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 -CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 -CONFIG_INPUT_TOUCHSCREEN=y -# CONFIG_JFFS2_CMODE_PRIORITY is not set -CONFIG_JFFS2_CMODE_SIZE=y -# CONFIG_KEYBOARD_ATKBD is not set -CONFIG_KEYBOARD_GOLDFISH_EVENTS=y -# CONFIG_KEYBOARD_LKKBD is not set -# CONFIG_KEYBOARD_NEWTON is not set -# CONFIG_KEYBOARD_STOWAWAY is not set -# CONFIG_KEYBOARD_SUNKBD is not set -# CONFIG_KEYBOARD_XTKBD is not set -# CONFIG_KGDB is not set -# CONFIG_LOCK_STAT is not set -# CONFIG_LOGO is not set -CONFIG_MACH_GOLDFISH=y -# CONFIG_MMC_GOLDFISH is not set -# CONFIG_MTD_CFI is not set -# CONFIG_MTD_COMPLEX_MAPPINGS is not set -CONFIG_MTD_CONCAT=y -CONFIG_MTD_GOLDFISH_NAND=y -CONFIG_MTD_NAND=y -CONFIG_MTD_UBI=y -CONFIG_MTD_UBI_BEB_RESERVE=1 -# CONFIG_MTD_UBI_DEBUG is not set -CONFIG_MTD_UBI_GLUEBI=y -CONFIG_MTD_UBI_WL_THRESHOLD=4096 -# CONFIG_NETDEV_1000 is not set -# CONFIG_NO_IOPORT is not set -# CONFIG_NO_USER_SPACE_SCREEN_ACCESS_CONTROL is not set -# CONFIG_OUTER_CACHE is not set -CONFIG_PAGEFLAGS_EXTENDED=y -CONFIG_PAGE_OFFSET=0xC0000000 -# CONFIG_PAGE_POISONING is not set -# CONFIG_PCI_SYSCALL is not set -# CONFIG_PDA_POWER is not set -CONFIG_PM=y -# CONFIG_PM_DEBUG is not set -CONFIG_PM_SLEEP=y -CONFIG_POWER_SUPPLY=y -# CONFIG_PROVE_LOCKING is not set -CONFIG_QEMU_TRACE=y -# CONFIG_RCU_TORTURE_TEST is not set -# CONFIG_RD_LZMA is not set -CONFIG_RTC_CLASS=y -# CONFIG_RTC_DRV_CMOS is not set -CONFIG_RTC_DRV_GOLDFISH=y -# CONFIG_RT_MUTEX_TESTER is not set -# CONFIG_SCHEDSTATS is not set -CONFIG_SCHED_DEBUG=y -# CONFIG_SCSI_DMA is not set -# CONFIG_SERIAL_8250 is not set -# CONFIG_SLOW_WORK is not set -CONFIG_SMC91X=y -CONFIG_SPLIT_PTLOCK_CPUS=4096 -CONFIG_SUSPEND=y -CONFIG_SUSPEND_FREEZER=y -CONFIG_SYS_SUPPORTS_APM_EMULATION=y -# CONFIG_TIMER_STATS is not set -CONFIG_TRACING_SUPPORT=y -# CONFIG_UBIFS_FS is not set -CONFIG_UEVENT_HELPER_PATH="" -CONFIG_UID16=y -CONFIG_USER_WAKELOCK=y -CONFIG_VECTORS_BASE=0xffff0000 -CONFIG_VFP=y -# CONFIG_VGA_CONSOLE is not set -CONFIG_VIDEO_OUTPUT_CONTROL=y -CONFIG_VT=y -CONFIG_VT_CONSOLE=y -CONFIG_VT_HW_CONSOLE_BINDING=y -CONFIG_WAKELOCK=y -CONFIG_WAKELOCK_STAT=y -# CONFIG_WATCHDOG is not set -CONFIG_ZBOOT_ROM_BSS=0 -CONFIG_ZBOOT_ROM_TEXT=0 -CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/goldfish/image/Makefile b/target/linux/goldfish/image/Makefile deleted file mode 100644 index 6cd57ba52c..0000000000 --- a/target/linux/goldfish/image/Makefile +++ /dev/null @@ -1,40 +0,0 @@ -# -# Copyright (C) 2006-2010 OpenWrt.org -# -# This is free software, licensed under the GNU General Public License v2. -# See /LICENSE for more information. -# -include $(TOPDIR)/rules.mk -include $(INCLUDE_DIR)/image.mk - -JFFS2_BLOCKSIZE=124k -JFFS2OPTS += -n -s 2048 - -define Image/BuildKernel - $(TARGET_CROSS)objcopy -O binary -R .note -R .comment -S \ - $(LINUX_DIR)/arch/arm/boot/compressed/vmlinux $(BIN_DIR)/$(IMG_PREFIX)-kernel.bin - $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS), \ - $(CP) $(LINUX_DIR)/usr/initramfs_data.cpio.gz, \ - gzip -c < $(LINUX_DIR)/usr/initramfs_data.cpio > \ - ) $(BIN_DIR)/$(IMG_PREFIX)-ramdisk.bin - $(CP) ./run-emulator.sh $(BIN_DIR)/ -endef - -define Image/Build/jffs2-124k - $(CP) ./ubinize.cfg $(KDIR)/ - (cd $(KDIR); \ - ubinize \ - -o $(BIN_DIR)/$(IMG_PREFIX)-$(1).img \ - -p 128KiB -m 2KiB -s 2KiB ubinize.cfg; \ - ) - nand_ecc \ - $(BIN_DIR)/$(IMG_PREFIX)-$(1).img \ - $(BIN_DIR)/$(IMG_PREFIX)-system.bin -endef - -define Image/Build - $(call Image/Build/$(1),$(1)) -endef - - -$(eval $(call BuildImage)) diff --git a/target/linux/goldfish/image/run-emulator.sh b/target/linux/goldfish/image/run-emulator.sh deleted file mode 100644 index c815a2313a..0000000000 --- a/target/linux/goldfish/image/run-emulator.sh +++ /dev/null @@ -1,3 +0,0 @@ -PREFIX=openwrt-goldfish- -touch ${PREFIX}data.bin -./goldfish-qemu/emulator -skindir ./goldfish-qemu/skins -skin HVGA -sysdir . -ramdisk ${PREFIX}ramdisk.bin -kernel ${PREFIX}kernel.bin -system ${PREFIX}system.bin -data ${PREFIX}data.bin -show-kernel -partition-size 100 -qemu -append "console=ttyS0 ubi.mtd=0 root=/dev/mtdblock3 rootfstype=jffs2 bootdelay=1 init=/etc/preinit" -net nic,vlan=0,model=smc91c111 -net user,vlan=0,hostname=OpenWrt diff --git a/target/linux/goldfish/image/ubinize.cfg b/target/linux/goldfish/image/ubinize.cfg deleted file mode 100644 index d8d1fde012..0000000000 --- a/target/linux/goldfish/image/ubinize.cfg +++ /dev/null @@ -1,14 +0,0 @@ -[rootfs] -# Volume mode (other option is static) -mode=ubi -# Source image -image=root.jffs2-124k -# Volume ID in UBI image -vol_id=0 -# Allow for dynamic resize -vol_type=dynamic -# Volume name -vol_name=rootfs -# Autoresize volume at first mount -vol_flags=autoresize - diff --git a/target/linux/goldfish/patches-2.6.30/0042-ARM-Make-low-level-printk-work.patch b/target/linux/goldfish/patches-2.6.30/0042-ARM-Make-low-level-printk-work.patch deleted file mode 100644 index 6a74a3bf6c..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0042-ARM-Make-low-level-printk-work.patch +++ /dev/null @@ -1,36 +0,0 @@ -From 0c61b75f9da1a0889959a0f9bd0b8b63f936ddf3 Mon Sep 17 00:00:00 2001 -From: Tony Lindgren <tony@atomide.com> -Date: Mon, 9 May 2005 14:10:26 -0700 -Subject: [PATCH 042/134] ARM: Make low-level printk work - -Makes low-level printk work. - -Signed-off-by: Tony Lindgren <tony@atomide.com> ---- - kernel/printk.c | 8 ++++++++ - 1 files changed, 8 insertions(+), 0 deletions(-) - ---- a/kernel/printk.c -+++ b/kernel/printk.c -@@ -45,6 +45,10 @@ void asmlinkage __attribute__((weak)) ea - - #define __LOG_BUF_LEN (1 << CONFIG_LOG_BUF_SHIFT) - -+#ifdef CONFIG_DEBUG_LL -+extern void printascii(char *); -+#endif -+ - /* printk's without a loglevel use this.. */ - #define DEFAULT_MESSAGE_LOGLEVEL 4 /* KERN_WARNING */ - -@@ -687,6 +691,10 @@ asmlinkage int vprintk(const char *fmt, - sizeof(printk_buf) - printed_len, fmt, args); - - -+#ifdef CONFIG_DEBUG_LL -+ printascii(printk_buf); -+#endif -+ - /* - * Copy the output into log_buf. If the caller didn't provide - * appropriate log level tags, we insert them here diff --git a/target/linux/goldfish/patches-2.6.30/0052-lowmemorykiller-Only-iterate-over-process-list-when.patch b/target/linux/goldfish/patches-2.6.30/0052-lowmemorykiller-Only-iterate-over-process-list-when.patch deleted file mode 100644 index baaa6863d8..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0052-lowmemorykiller-Only-iterate-over-process-list-when.patch +++ /dev/null @@ -1,66 +0,0 @@ -From 3742e6638bdb7325c6432e2a145ad985ee47d052 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Mon, 26 Jan 2009 19:13:47 -0800 -Subject: [PATCH 052/134] lowmemorykiller: Only iterate over process list when needed. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Use NR_ACTIVE plus NR_INACTIVE as a size estimate for our fake cache -instead the sum of rss. Neither method is accurate. - -Also skip the process scan, if the amount of memory available is above -the largest threshold set. - -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - drivers/staging/android/lowmemorykiller.c | 35 +++++++++++++++++----------- - 1 files changed, 21 insertions(+), 14 deletions(-) - ---- a/drivers/staging/android/lowmemorykiller.c -+++ b/drivers/staging/android/lowmemorykiller.c -@@ -71,23 +71,30 @@ static int lowmem_shrink(int nr_to_scan, - } - if(nr_to_scan > 0) - lowmem_print(3, "lowmem_shrink %d, %x, ofree %d, ma %d\n", nr_to_scan, gfp_mask, other_free, min_adj); -+ rem = global_page_state(NR_ACTIVE) + global_page_state(NR_INACTIVE); -+ if (nr_to_scan <= 0 || min_adj == OOM_ADJUST_MAX + 1) { -+ lowmem_print(5, "lowmem_shrink %d, %x, return %d\n", nr_to_scan, gfp_mask, rem); -+ return rem; -+ } -+ - read_lock(&tasklist_lock); - for_each_process(p) { -- if(p->oomkilladj >= 0 && p->mm) { -- tasksize = get_mm_rss(p->mm); -- if(nr_to_scan > 0 && tasksize > 0 && p->oomkilladj >= min_adj) { -- if(selected == NULL || -- p->oomkilladj > selected->oomkilladj || -- (p->oomkilladj == selected->oomkilladj && -- tasksize > selected_tasksize)) { -- selected = p; -- selected_tasksize = tasksize; -- lowmem_print(2, "select %d (%s), adj %d, size %d, to kill\n", -- p->pid, p->comm, p->oomkilladj, tasksize); -- } -- } -- rem += tasksize; -+ if (p->oomkilladj < min_adj || !p->mm) -+ continue; -+ tasksize = get_mm_rss(p->mm); -+ if (tasksize <= 0) -+ continue; -+ if (selected) { -+ if (p->oomkilladj < selected->oomkilladj) -+ continue; -+ if (p->oomkilladj == selected->oomkilladj && -+ tasksize <= selected_tasksize) -+ continue; - } -+ selected = p; -+ selected_tasksize = tasksize; -+ lowmem_print(2, "select %d (%s), adj %d, size %d, to kill\n", -+ p->pid, p->comm, p->oomkilladj, tasksize); - } - if(selected != NULL) { - lowmem_print(1, "send sigkill to %d (%s), adj %d, size %d\n", diff --git a/target/linux/goldfish/patches-2.6.30/0053-lowmemorykiller-Don-t-count-free-space-unless-it-me.patch b/target/linux/goldfish/patches-2.6.30/0053-lowmemorykiller-Don-t-count-free-space-unless-it-me.patch deleted file mode 100644 index 605e723187..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0053-lowmemorykiller-Don-t-count-free-space-unless-it-me.patch +++ /dev/null @@ -1,48 +0,0 @@ -From f82da10dcae73652a6f0355e4398b4be1af17e6b Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Mon, 26 Jan 2009 19:22:19 -0800 -Subject: [PATCH 053/134] lowmemorykiller: Don't count free space unless it meets the specified limit by itself -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -This allows processes to be killed when the kernel evict cache pages in -an attempt to get more contiguous free memory. - -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - drivers/staging/android/lowmemorykiller.c | 13 +++++++++---- - 1 files changed, 9 insertions(+), 4 deletions(-) - ---- a/drivers/staging/android/lowmemorykiller.c -+++ b/drivers/staging/android/lowmemorykiller.c -@@ -58,20 +58,25 @@ static int lowmem_shrink(int nr_to_scan, - int min_adj = OOM_ADJUST_MAX + 1; - int selected_tasksize = 0; - int array_size = ARRAY_SIZE(lowmem_adj); -- int other_free = global_page_state(NR_FREE_PAGES) + global_page_state(NR_FILE_PAGES); -+ int other_free = global_page_state(NR_FREE_PAGES); -+ int other_file = global_page_state(NR_FILE_PAGES); - if(lowmem_adj_size < array_size) - array_size = lowmem_adj_size; - if(lowmem_minfree_size < array_size) - array_size = lowmem_minfree_size; - for(i = 0; i < array_size; i++) { -- if(other_free < lowmem_minfree[i]) { -+ if (other_free < lowmem_minfree[i] && -+ other_file < lowmem_minfree[i]) { - min_adj = lowmem_adj[i]; - break; - } - } - if(nr_to_scan > 0) -- lowmem_print(3, "lowmem_shrink %d, %x, ofree %d, ma %d\n", nr_to_scan, gfp_mask, other_free, min_adj); -- rem = global_page_state(NR_ACTIVE) + global_page_state(NR_INACTIVE); -+ lowmem_print(3, "lowmem_shrink %d, %x, ofree %d %d, ma %d\n", nr_to_scan, gfp_mask, other_free, other_file, min_adj); -+ rem = global_page_state(NR_ACTIVE_ANON) + -+ global_page_state(NR_ACTIVE_FILE) + -+ global_page_state(NR_INACTIVE_ANON) + -+ global_page_state(NR_INACTIVE_FILE); - if (nr_to_scan <= 0 || min_adj == OOM_ADJUST_MAX + 1) { - lowmem_print(5, "lowmem_shrink %d, %x, return %d\n", nr_to_scan, gfp_mask, rem); - return rem; diff --git a/target/linux/goldfish/patches-2.6.30/0054-timed_gpio-Separate-timed_output-class-into-a-separ.patch b/target/linux/goldfish/patches-2.6.30/0054-timed_gpio-Separate-timed_output-class-into-a-separ.patch deleted file mode 100644 index 16f1350f59..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0054-timed_gpio-Separate-timed_output-class-into-a-separ.patch +++ /dev/null @@ -1,415 +0,0 @@ -From e4c9c5d7d6d5deb124083678fe5d839d3133f60a Mon Sep 17 00:00:00 2001 -From: Mike Lockwood <lockwood@android.com> -Date: Mon, 12 Jan 2009 13:25:05 -0500 -Subject: [PATCH 054/134] timed_gpio: Separate timed_output class into a separate driver. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: Mike Lockwood <lockwood@android.com> -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - drivers/staging/android/Kconfig | 6 ++- - drivers/staging/android/Makefile | 1 + - drivers/staging/android/timed_gpio.c | 98 +++++++++++-------------- - drivers/staging/android/timed_gpio.h | 4 +- - drivers/staging/android/timed_output.c | 121 ++++++++++++++++++++++++++++++++ - drivers/staging/android/timed_output.h | 37 ++++++++++ - 6 files changed, 210 insertions(+), 57 deletions(-) - create mode 100644 drivers/staging/android/timed_output.c - create mode 100644 drivers/staging/android/timed_output.h - ---- a/drivers/staging/android/Kconfig -+++ b/drivers/staging/android/Kconfig -@@ -73,9 +73,13 @@ config ANDROID_RAM_CONSOLE_EARLY_SIZE - default 0 - depends on ANDROID_RAM_CONSOLE_EARLY_INIT - -+config ANDROID_TIMED_OUTPUT -+ bool "Timed output class driver" -+ default y -+ - config ANDROID_TIMED_GPIO - tristate "Android timed gpio driver" -- depends on GENERIC_GPIO -+ depends on GENERIC_GPIO && ANDROID_TIMED_OUTPUT - default n - - config ANDROID_LOW_MEMORY_KILLER ---- a/drivers/staging/android/Makefile -+++ b/drivers/staging/android/Makefile -@@ -1,5 +1,6 @@ - obj-$(CONFIG_ANDROID_BINDER_IPC) += binder.o - obj-$(CONFIG_ANDROID_LOGGER) += logger.o - obj-$(CONFIG_ANDROID_RAM_CONSOLE) += ram_console.o -+obj-$(CONFIG_ANDROID_TIMED_OUTPUT) += timed_output.o - obj-$(CONFIG_ANDROID_TIMED_GPIO) += timed_gpio.o - obj-$(CONFIG_ANDROID_LOW_MEMORY_KILLER) += lowmemorykiller.o ---- a/drivers/staging/android/timed_gpio.c -+++ b/drivers/staging/android/timed_gpio.c -@@ -20,13 +20,12 @@ - #include <linux/err.h> - #include <linux/gpio.h> - -+#include "timed_output.h" - #include "timed_gpio.h" - - --static struct class *timed_gpio_class; -- - struct timed_gpio_data { -- struct device *dev; -+ struct timed_output_dev dev; - struct hrtimer timer; - spinlock_t lock; - unsigned gpio; -@@ -36,70 +35,62 @@ struct timed_gpio_data { - - static enum hrtimer_restart gpio_timer_func(struct hrtimer *timer) - { -- struct timed_gpio_data *gpio_data = container_of(timer, struct timed_gpio_data, timer); -+ struct timed_gpio_data *data = -+ container_of(timer, struct timed_gpio_data, timer); - -- gpio_direction_output(gpio_data->gpio, gpio_data->active_low ? 1 : 0); -+ gpio_direction_output(data->gpio, data->active_low ? 1 : 0); - return HRTIMER_NORESTART; - } - --static ssize_t gpio_enable_show(struct device *dev, struct device_attribute *attr, char *buf) -+static int gpio_get_time(struct timed_output_dev *dev) - { -- struct timed_gpio_data *gpio_data = dev_get_drvdata(dev); -- int remaining; -+ struct timed_gpio_data *data = -+ container_of(dev, struct timed_gpio_data, dev); - -- if (hrtimer_active(&gpio_data->timer)) { -- ktime_t r = hrtimer_get_remaining(&gpio_data->timer); -+ if (hrtimer_active(&data->timer)) { -+ ktime_t r = hrtimer_get_remaining(&data->timer); - struct timeval t = ktime_to_timeval(r); -- remaining = t.tv_sec * 1000 + t.tv_usec / 1000; -+ return t.tv_sec * 1000 + t.tv_usec / 1000; - } else -- remaining = 0; -- -- return sprintf(buf, "%d\n", remaining); -+ return 0; - } - --static ssize_t gpio_enable_store( -- struct device *dev, struct device_attribute *attr, -- const char *buf, size_t size) -+static void gpio_enable(struct timed_output_dev *dev, int value) - { -- struct timed_gpio_data *gpio_data = dev_get_drvdata(dev); -- int value; -+ struct timed_gpio_data *data = -+ container_of(dev, struct timed_gpio_data, dev); - unsigned long flags; - -- sscanf(buf, "%d", &value); -- -- spin_lock_irqsave(&gpio_data->lock, flags); -+ spin_lock_irqsave(&data->lock, flags); - - /* cancel previous timer and set GPIO according to value */ -- hrtimer_cancel(&gpio_data->timer); -- gpio_direction_output(gpio_data->gpio, gpio_data->active_low ? !value : !!value); -+ hrtimer_cancel(&data->timer); -+ gpio_direction_output(data->gpio, data->active_low ? !value : !!value); - - if (value > 0) { -- if (value > gpio_data->max_timeout) -- value = gpio_data->max_timeout; -+ if (value > data->max_timeout) -+ value = data->max_timeout; - -- hrtimer_start(&gpio_data->timer, -- ktime_set(value / 1000, (value % 1000) * 1000000), -- HRTIMER_MODE_REL); -+ hrtimer_start(&data->timer, -+ ktime_set(value / 1000, (value % 1000) * 1000000), -+ HRTIMER_MODE_REL); - } - -- spin_unlock_irqrestore(&gpio_data->lock, flags); -- -- return size; -+ spin_unlock_irqrestore(&data->lock, flags); - } - --static DEVICE_ATTR(enable, S_IRUGO | S_IWUSR, gpio_enable_show, gpio_enable_store); -- - static int timed_gpio_probe(struct platform_device *pdev) - { - struct timed_gpio_platform_data *pdata = pdev->dev.platform_data; - struct timed_gpio *cur_gpio; - struct timed_gpio_data *gpio_data, *gpio_dat; -- int i, ret = 0; -+ int i, j, ret = 0; - - if (!pdata) - return -EBUSY; - -- gpio_data = kzalloc(sizeof(struct timed_gpio_data) * pdata->num_gpios, GFP_KERNEL); -+ gpio_data = kzalloc(sizeof(struct timed_gpio_data) * pdata->num_gpios, -+ GFP_KERNEL); - if (!gpio_data) - return -ENOMEM; - -@@ -107,23 +98,26 @@ static int timed_gpio_probe(struct platf - cur_gpio = &pdata->gpios[i]; - gpio_dat = &gpio_data[i]; - -- hrtimer_init(&gpio_dat->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); -+ hrtimer_init(&gpio_dat->timer, CLOCK_MONOTONIC, -+ HRTIMER_MODE_REL); - gpio_dat->timer.function = gpio_timer_func; - spin_lock_init(&gpio_dat->lock); - -+ gpio_dat->dev.name = cur_gpio->name; -+ gpio_dat->dev.get_time = gpio_get_time; -+ gpio_dat->dev.enable = gpio_enable; -+ ret = timed_output_dev_register(&gpio_dat->dev); -+ if (ret < 0) { -+ for (j = 0; j < i; j++) -+ timed_output_dev_unregister(&gpio_data[i].dev); -+ kfree(gpio_data); -+ return ret; -+ } -+ - gpio_dat->gpio = cur_gpio->gpio; - gpio_dat->max_timeout = cur_gpio->max_timeout; - gpio_dat->active_low = cur_gpio->active_low; - gpio_direction_output(gpio_dat->gpio, gpio_dat->active_low); -- -- gpio_dat->dev = device_create(timed_gpio_class, &pdev->dev, 0, "%s", cur_gpio->name); -- if (unlikely(IS_ERR(gpio_dat->dev))) -- return PTR_ERR(gpio_dat->dev); -- -- dev_set_drvdata(gpio_dat->dev, gpio_dat); -- ret = device_create_file(gpio_dat->dev, &dev_attr_enable); -- if (ret) -- return ret; - } - - platform_set_drvdata(pdev, gpio_data); -@@ -137,10 +131,8 @@ static int timed_gpio_remove(struct plat - struct timed_gpio_data *gpio_data = platform_get_drvdata(pdev); - int i; - -- for (i = 0; i < pdata->num_gpios; i++) { -- device_remove_file(gpio_data[i].dev, &dev_attr_enable); -- device_unregister(gpio_data[i].dev); -- } -+ for (i = 0; i < pdata->num_gpios; i++) -+ timed_output_dev_unregister(&gpio_data[i].dev); - - kfree(gpio_data); - -@@ -151,22 +143,18 @@ static struct platform_driver timed_gpio - .probe = timed_gpio_probe, - .remove = timed_gpio_remove, - .driver = { -- .name = "timed-gpio", -+ .name = TIMED_GPIO_NAME, - .owner = THIS_MODULE, - }, - }; - - static int __init timed_gpio_init(void) - { -- timed_gpio_class = class_create(THIS_MODULE, "timed_output"); -- if (IS_ERR(timed_gpio_class)) -- return PTR_ERR(timed_gpio_class); - return platform_driver_register(&timed_gpio_driver); - } - - static void __exit timed_gpio_exit(void) - { -- class_destroy(timed_gpio_class); - platform_driver_unregister(&timed_gpio_driver); - } - ---- a/drivers/staging/android/timed_gpio.h -+++ b/drivers/staging/android/timed_gpio.h -@@ -16,10 +16,12 @@ - #ifndef _LINUX_TIMED_GPIO_H - #define _LINUX_TIMED_GPIO_H - -+#define TIMED_GPIO_NAME "timed-gpio" -+ - struct timed_gpio { - const char *name; - unsigned gpio; -- int max_timeout; -+ int max_timeout; - u8 active_low; - }; - ---- /dev/null -+++ b/drivers/staging/android/timed_output.c -@@ -0,0 +1,121 @@ -+/* drivers/misc/timed_output.c -+ * -+ * Copyright (C) 2009 Google, Inc. -+ * Author: Mike Lockwood <lockwood@android.com> -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/module.h> -+#include <linux/types.h> -+#include <linux/device.h> -+#include <linux/fs.h> -+#include <linux/err.h> -+ -+#include "timed_output.h" -+ -+static struct class *timed_output_class; -+static atomic_t device_count; -+ -+static ssize_t enable_show(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ struct timed_output_dev *tdev = dev_get_drvdata(dev); -+ int remaining = tdev->get_time(tdev); -+ -+ return sprintf(buf, "%d\n", remaining); -+} -+ -+static ssize_t enable_store( -+ struct device *dev, struct device_attribute *attr, -+ const char *buf, size_t size) -+{ -+ struct timed_output_dev *tdev = dev_get_drvdata(dev); -+ int value; -+ -+ sscanf(buf, "%d", &value); -+ tdev->enable(tdev, value); -+ -+ return size; -+} -+ -+static DEVICE_ATTR(enable, S_IRUGO | S_IWUSR, enable_show, enable_store); -+ -+static int create_timed_output_class(void) -+{ -+ if (!timed_output_class) { -+ timed_output_class = class_create(THIS_MODULE, "timed_output"); -+ if (IS_ERR(timed_output_class)) -+ return PTR_ERR(timed_output_class); -+ atomic_set(&device_count, 0); -+ } -+ -+ return 0; -+} -+ -+int timed_output_dev_register(struct timed_output_dev *tdev) -+{ -+ int ret; -+ -+ if (!tdev || !tdev->name || !tdev->enable || !tdev->get_time) -+ return -EINVAL; -+ -+ ret = create_timed_output_class(); -+ if (ret < 0) -+ return ret; -+ -+ tdev->index = atomic_inc_return(&device_count); -+ tdev->dev = device_create(timed_output_class, NULL, -+ MKDEV(0, tdev->index), NULL, tdev->name); -+ if (IS_ERR(tdev->dev)) -+ return PTR_ERR(tdev->dev); -+ -+ ret = device_create_file(tdev->dev, &dev_attr_enable); -+ if (ret < 0) -+ goto err_create_file; -+ -+ dev_set_drvdata(tdev->dev, tdev); -+ tdev->state = 0; -+ return 0; -+ -+err_create_file: -+ device_destroy(timed_output_class, MKDEV(0, tdev->index)); -+ printk(KERN_ERR "timed_output: Failed to register driver %s\n", -+ tdev->name); -+ -+ return ret; -+} -+EXPORT_SYMBOL_GPL(timed_output_dev_register); -+ -+void timed_output_dev_unregister(struct timed_output_dev *tdev) -+{ -+ device_remove_file(tdev->dev, &dev_attr_enable); -+ device_destroy(timed_output_class, MKDEV(0, tdev->index)); -+ dev_set_drvdata(tdev->dev, NULL); -+} -+EXPORT_SYMBOL_GPL(timed_output_dev_unregister); -+ -+static int __init timed_output_init(void) -+{ -+ return create_timed_output_class(); -+} -+ -+static void __exit timed_output_exit(void) -+{ -+ class_destroy(timed_output_class); -+} -+ -+module_init(timed_output_init); -+module_exit(timed_output_exit); -+ -+MODULE_AUTHOR("Mike Lockwood <lockwood@android.com>"); -+MODULE_DESCRIPTION("timed output class driver"); -+MODULE_LICENSE("GPL"); ---- /dev/null -+++ b/drivers/staging/android/timed_output.h -@@ -0,0 +1,37 @@ -+/* include/linux/timed_output.h -+ * -+ * Copyright (C) 2008 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+*/ -+ -+#ifndef _LINUX_TIMED_OUTPUT_H -+#define _LINUX_TIMED_OUTPUT_H -+ -+struct timed_output_dev { -+ const char *name; -+ -+ /* enable the output and set the timer */ -+ void (*enable)(struct timed_output_dev *sdev, int timeout); -+ -+ /* returns the current number of milliseconds remaining on the timer */ -+ int (*get_time)(struct timed_output_dev *sdev); -+ -+ /* private data */ -+ struct device *dev; -+ int index; -+ int state; -+}; -+ -+extern int timed_output_dev_register(struct timed_output_dev *dev); -+extern void timed_output_dev_unregister(struct timed_output_dev *dev); -+ -+#endif diff --git a/target/linux/goldfish/patches-2.6.30/0055-mm-Add-min_free_order_shift-tunable.patch b/target/linux/goldfish/patches-2.6.30/0055-mm-Add-min_free_order_shift-tunable.patch deleted file mode 100644 index aec689108a..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0055-mm-Add-min_free_order_shift-tunable.patch +++ /dev/null @@ -1,62 +0,0 @@ -From d620f695290e4ffb1586420ba1dbbb5b2c8c075d Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Tue, 17 Feb 2009 14:51:02 -0800 -Subject: [PATCH 055/134] mm: Add min_free_order_shift tunable. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -By default the kernel tries to keep half as much memory free at each -order as it does for one order below. This can be too agressive when -running without swap. - -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - kernel/sysctl.c | 9 +++++++++ - mm/page_alloc.c | 3 ++- - 2 files changed, 11 insertions(+), 1 deletions(-) - ---- a/kernel/sysctl.c -+++ b/kernel/sysctl.c -@@ -77,6 +77,7 @@ extern int suid_dumpable; - extern char core_pattern[]; - extern int pid_max; - extern int min_free_kbytes; -+extern int min_free_order_shift; - extern int pid_max_min, pid_max_max; - extern int sysctl_drop_caches; - extern int percpu_pagelist_fraction; -@@ -1138,6 +1139,14 @@ static struct ctl_table vm_table[] = { - .extra1 = &zero, - }, - { -+ .ctl_name = CTL_UNNUMBERED, -+ .procname = "min_free_order_shift", -+ .data = &min_free_order_shift, -+ .maxlen = sizeof(min_free_order_shift), -+ .mode = 0644, -+ .proc_handler = &proc_dointvec -+ }, -+ { - .ctl_name = VM_PERCPU_PAGELIST_FRACTION, - .procname = "percpu_pagelist_fraction", - .data = &percpu_pagelist_fraction, ---- a/mm/page_alloc.c -+++ b/mm/page_alloc.c -@@ -119,6 +119,7 @@ static char * const zone_names[MAX_NR_ZO - }; - - int min_free_kbytes = 1024; -+int min_free_order_shift = 1; - - unsigned long __meminitdata nr_kernel_pages; - unsigned long __meminitdata nr_all_pages; -@@ -1258,7 +1259,7 @@ int zone_watermark_ok(struct zone *z, in - free_pages -= z->free_area[o].nr_free << o; - - /* Require fewer higher order pages to be free */ -- min >>= 1; -+ min >>= min_free_order_shift; - - if (free_pages <= min) - return 0; diff --git a/target/linux/goldfish/patches-2.6.30/0056-mm-Check-if-any-page-in-a-pageblock-is-reserved-bef.patch b/target/linux/goldfish/patches-2.6.30/0056-mm-Check-if-any-page-in-a-pageblock-is-reserved-bef.patch deleted file mode 100644 index ce1fb71eac..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0056-mm-Check-if-any-page-in-a-pageblock-is-reserved-bef.patch +++ /dev/null @@ -1,45 +0,0 @@ -From a4eb204a8029320c2dd748daf4f51fd48d337c3d Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Wed, 18 Mar 2009 17:27:31 -0700 -Subject: [PATCH 056/134] mm: Check if any page in a pageblock is reserved before marking it MIGRATE_RESERVE - -This fixes a problem where the first pageblock got marked MIGRATE_RESERVE even -though it only had a few free pages. This in turn caused no contiguous memory -to be reserved and frequent kswapd wakeups that emptied the caches to get more -contiguous memory. ---- - mm/page_alloc.c | 16 +++++++++++++++- - 1 files changed, 15 insertions(+), 1 deletions(-) - ---- a/mm/page_alloc.c -+++ b/mm/page_alloc.c -@@ -2570,6 +2570,20 @@ static inline unsigned long wait_table_b - #define LONG_ALIGN(x) (((x)+(sizeof(long))-1)&~((sizeof(long))-1)) - - /* -+ * Check if a pageblock contains reserved pages -+ */ -+static int pageblock_is_reserved(unsigned long start_pfn) -+{ -+ unsigned long end_pfn = start_pfn + pageblock_nr_pages; -+ unsigned long pfn; -+ -+ for (pfn = start_pfn; pfn < end_pfn; pfn++) -+ if (PageReserved(pfn_to_page(pfn))) -+ return 1; -+ return 0; -+} -+ -+/* - * Mark a number of pageblocks as MIGRATE_RESERVE. The number - * of blocks reserved is based on zone->pages_min. The memory within the - * reserve will tend to store contiguous free pages. Setting min_free_kbytes -@@ -2598,7 +2612,7 @@ static void setup_zone_migrate_reserve(s - continue; - - /* Blocks with reserved pages will never free, skip them. */ -- if (PageReserved(page)) -+ if (pageblock_is_reserved(pfn)) - continue; - - block_migratetype = get_pageblock_migratetype(page); diff --git a/target/linux/goldfish/patches-2.6.30/0058-sched-Enable-might_sleep-before-initializing-driver.patch b/target/linux/goldfish/patches-2.6.30/0058-sched-Enable-might_sleep-before-initializing-driver.patch deleted file mode 100644 index 8e85b85628..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0058-sched-Enable-might_sleep-before-initializing-driver.patch +++ /dev/null @@ -1,43 +0,0 @@ -From 10276fd993c6e4c92d8086a6ccd0c9e0ff53b053 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Wed, 10 Dec 2008 20:06:28 -0800 -Subject: [PATCH 058/134] sched: Enable might_sleep before initializing drivers. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -This allows detection of init bugs in built-in drivers. - -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - kernel/sched.c | 14 ++++++++++++-- - 1 files changed, 12 insertions(+), 2 deletions(-) - ---- a/kernel/sched.c -+++ b/kernel/sched.c -@@ -9065,13 +9065,23 @@ void __init sched_init(void) - } - - #ifdef CONFIG_DEBUG_SPINLOCK_SLEEP -+static int __might_sleep_init_called; -+int __init __might_sleep_init(void) -+{ -+ __might_sleep_init_called = 1; -+ return 0; -+} -+early_initcall(__might_sleep_init); -+ - void __might_sleep(char *file, int line) - { - #ifdef in_atomic - static unsigned long prev_jiffy; /* ratelimiting */ - -- if ((!in_atomic() && !irqs_disabled()) || -- system_state != SYSTEM_RUNNING || oops_in_progress) -+ if ((!in_atomic() && !irqs_disabled()) || oops_in_progress) -+ return; -+ if (system_state != SYSTEM_RUNNING && -+ (!__might_sleep_init_called || system_state != SYSTEM_BOOTING)) - return; - if (time_before(jiffies, prev_jiffy + HZ) && prev_jiffy) - return; diff --git a/target/linux/goldfish/patches-2.6.30/0060--ARM-Add-code-to-prevent-system-calls-from-being-re.patch b/target/linux/goldfish/patches-2.6.30/0060--ARM-Add-code-to-prevent-system-calls-from-being-re.patch deleted file mode 100644 index 8966616151..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0060--ARM-Add-code-to-prevent-system-calls-from-being-re.patch +++ /dev/null @@ -1,35 +0,0 @@ -From d52bcb0a807dde87057f330dbe95aa6d221a4b85 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Mon, 9 Apr 2007 17:13:02 +0700 -Subject: [PATCH 060/134] [ARM] Add code to prevent system calls from being restarted muliple times before returning from the kernel. - -Fixes crashes with thumb syscalls. ---- - arch/arm/kernel/signal.c | 9 +++++++++ - 1 files changed, 9 insertions(+), 0 deletions(-) - ---- a/arch/arm/kernel/signal.c -+++ b/arch/arm/kernel/signal.c -@@ -499,6 +499,14 @@ setup_rt_frame(int usig, struct k_sigact - - static inline void restart_syscall(struct pt_regs *regs) - { -+ if (regs->ARM_ORIG_r0 == -ERESTARTNOHAND || -+ regs->ARM_ORIG_r0 == -ERESTARTSYS || -+ regs->ARM_ORIG_r0 == -ERESTARTNOINTR || -+ regs->ARM_ORIG_r0 == -ERESTART_RESTARTBLOCK) { -+ /* the syscall cannot be safely restarted, return -EINTR instead */ -+ regs->ARM_r0 = -EINTR; -+ return; -+ } - regs->ARM_r0 = regs->ARM_ORIG_r0; - regs->ARM_pc -= thumb_mode(regs) ? 2 : 4; - } -@@ -631,6 +639,7 @@ static void do_signal(struct pt_regs *re - */ - if (syscall) { - if (regs->ARM_r0 == -ERESTART_RESTARTBLOCK) { -+ regs->ARM_r0 = -EAGAIN; /* prevent multiple restarts */ - if (thumb_mode(regs)) { - regs->ARM_r7 = __NR_restart_syscall - __NR_SYSCALL_BASE; - regs->ARM_pc -= 2; diff --git a/target/linux/goldfish/patches-2.6.30/0061--ARM-Save-thread-registers-in-coredumps.patch b/target/linux/goldfish/patches-2.6.30/0061--ARM-Save-thread-registers-in-coredumps.patch deleted file mode 100644 index 44f78b6385..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0061--ARM-Save-thread-registers-in-coredumps.patch +++ /dev/null @@ -1,50 +0,0 @@ -From 784b170a69906c48a688a9ffa7512fc858f8836c Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Sun, 30 Mar 2008 21:36:29 -0700 -Subject: [PATCH 061/134] [ARM] Save thread registers in coredumps - -Signed-off-by: Brian Swetland <swetland@google.com> ---- - arch/arm/include/asm/elf.h | 6 ++++++ - arch/arm/kernel/process.c | 10 ++++++++++ - 2 files changed, 16 insertions(+), 0 deletions(-) - ---- a/arch/arm/include/asm/elf.h -+++ b/arch/arm/include/asm/elf.h -@@ -86,6 +86,10 @@ extern char elf_platform[]; - - struct elf32_hdr; - -+struct task_struct; -+ -+extern int dump_task_regs (struct task_struct *, elf_gregset_t *); -+ - /* - * This is used to ensure we don't load something for the wrong architecture. - */ -@@ -113,4 +117,6 @@ extern int arm_elf_read_implies_exec(con - extern void elf_set_personality(const struct elf32_hdr *); - #define SET_PERSONALITY(ex) elf_set_personality(&(ex)) - -+#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs) -+ - #endif ---- a/arch/arm/kernel/process.c -+++ b/arch/arm/kernel/process.c -@@ -337,6 +337,16 @@ int dump_fpu (struct pt_regs *regs, stru - EXPORT_SYMBOL(dump_fpu); - - /* -+ * Capture the user space registers if the task is not running (in user space) -+ */ -+int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs) -+{ -+ struct pt_regs ptregs = *task_pt_regs(tsk); -+ elf_core_copy_regs(regs, &ptregs); -+ return 1; -+} -+ -+/* - * Shuffle the argument into the correct register before calling the - * thread function. r1 is the thread argument, r2 is the pointer to - * the thread function, and r3 points to the exit function. diff --git a/target/linux/goldfish/patches-2.6.30/0064-PM-Add-wake-lock-api.patch b/target/linux/goldfish/patches-2.6.30/0064-PM-Add-wake-lock-api.patch deleted file mode 100644 index bd4d364adc..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0064-PM-Add-wake-lock-api.patch +++ /dev/null @@ -1,104 +0,0 @@ -From e93bd714c424d9fe907cb1d8ec5ce784767a3b16 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Fri, 26 Sep 2008 22:10:56 -0700 -Subject: [PATCH 064/134] PM: Add wake lock api. - ---- - include/linux/wakelock.h | 91 ++++++++++++++++++++++++++++++++++++++++++++++ - 1 files changed, 91 insertions(+), 0 deletions(-) - create mode 100755 include/linux/wakelock.h - ---- /dev/null -+++ b/include/linux/wakelock.h -@@ -0,0 +1,91 @@ -+/* include/linux/wakelock.h -+ * -+ * Copyright (C) 2007-2008 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#ifndef _LINUX_WAKELOCK_H -+#define _LINUX_WAKELOCK_H -+ -+#include <linux/list.h> -+#include <linux/ktime.h> -+ -+/* A wake_lock prevents the system from entering suspend or other low power -+ * states when active. If the type is set to WAKE_LOCK_SUSPEND, the wake_lock -+ * prevents a full system suspend. If the type is WAKE_LOCK_IDLE, low power -+ * states that cause large interrupt latencies or that disable a set of -+ * interrupts will not entered from idle until the wake_locks are released. -+ */ -+ -+enum { -+ WAKE_LOCK_SUSPEND, /* Prevent suspend */ -+ WAKE_LOCK_IDLE, /* Prevent low power idle */ -+ WAKE_LOCK_TYPE_COUNT -+}; -+ -+struct wake_lock { -+#ifdef CONFIG_HAS_WAKELOCK -+ struct list_head link; -+ int flags; -+ const char *name; -+ unsigned long expires; -+#ifdef CONFIG_WAKELOCK_STAT -+ struct { -+ int count; -+ int expire_count; -+ int wakeup_count; -+ ktime_t total_time; -+ ktime_t prevent_suspend_time; -+ ktime_t max_time; -+ ktime_t last_time; -+ } stat; -+#endif -+#endif -+}; -+ -+#ifdef CONFIG_HAS_WAKELOCK -+ -+void wake_lock_init(struct wake_lock *lock, int type, const char *name); -+void wake_lock_destroy(struct wake_lock *lock); -+void wake_lock(struct wake_lock *lock); -+void wake_lock_timeout(struct wake_lock *lock, long timeout); -+void wake_unlock(struct wake_lock *lock); -+ -+/* wake_lock_active returns a non-zero value if the wake_lock is currently -+ * locked. If the wake_lock has a timeout, it does not check the timeout -+ * but if the timeout had aready been checked it will return 0. -+ */ -+int wake_lock_active(struct wake_lock *lock); -+ -+/* has_wake_lock returns 0 if no wake locks of the specified type are active, -+ * and non-zero if one or more wake locks are held. Specifically it returns -+ * -1 if one or more wake locks with no timeout are active or the -+ * number of jiffies until all active wake locks time out. -+ */ -+long has_wake_lock(int type); -+ -+#else -+ -+static inline void wake_lock_init(struct wake_lock *lock, int type, -+ const char *name) {} -+static inline void wake_lock_destroy(struct wake_lock *lock) {} -+static inline void wake_lock(struct wake_lock *lock) {} -+static inline void wake_lock_timeout(struct wake_lock *lock, long timeout) {} -+static inline void wake_unlock(struct wake_lock *lock) {} -+ -+static inline int wake_lock_active(struct wake_lock *lock) { return 0; } -+static inline long has_wake_lock(int type) { return 0; } -+ -+#endif -+ -+#endif -+ diff --git a/target/linux/goldfish/patches-2.6.30/0065-PM-Add-early-suspend-api.patch b/target/linux/goldfish/patches-2.6.30/0065-PM-Add-early-suspend-api.patch deleted file mode 100644 index 02adef68a4..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0065-PM-Add-early-suspend-api.patch +++ /dev/null @@ -1,69 +0,0 @@ -From 4f76252afe98fd017894e61c296bc61836e67a4a Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Fri, 26 Sep 2008 22:10:56 -0700 -Subject: [PATCH 065/134] PM: Add early suspend api. - ---- - include/linux/earlysuspend.h | 56 ++++++++++++++++++++++++++++++++++++++++++ - 1 files changed, 56 insertions(+), 0 deletions(-) - create mode 100755 include/linux/earlysuspend.h - ---- /dev/null -+++ b/include/linux/earlysuspend.h -@@ -0,0 +1,56 @@ -+/* include/linux/earlysuspend.h -+ * -+ * Copyright (C) 2007-2008 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#ifndef _LINUX_EARLYSUSPEND_H -+#define _LINUX_EARLYSUSPEND_H -+ -+#ifdef CONFIG_HAS_EARLYSUSPEND -+#include <linux/list.h> -+#endif -+ -+/* The early_suspend structure defines suspend and resume hooks to be called -+ * when the user visible sleep state of the system changes, and a level to -+ * control the order. They can be used to turn off the screen and input -+ * devices that are not used for wakeup. -+ * Suspend handlers are called in low to high level order, resume handlers are -+ * called in the opposite order. If, when calling register_early_suspend, -+ * the suspend handlers have already been called without a matching call to the -+ * resume handlers, the suspend handler will be called directly from -+ * register_early_suspend. This direct call can violate the normal level order. -+ */ -+enum { -+ EARLY_SUSPEND_LEVEL_BLANK_SCREEN = 50, -+ EARLY_SUSPEND_LEVEL_STOP_DRAWING = 100, -+ EARLY_SUSPEND_LEVEL_DISABLE_FB = 150, -+}; -+struct early_suspend { -+#ifdef CONFIG_HAS_EARLYSUSPEND -+ struct list_head link; -+ int level; -+ void (*suspend)(struct early_suspend *h); -+ void (*resume)(struct early_suspend *h); -+#endif -+}; -+ -+#ifdef CONFIG_HAS_EARLYSUSPEND -+void register_early_suspend(struct early_suspend *handler); -+void unregister_early_suspend(struct early_suspend *handler); -+#else -+#define register_early_suspend(handler) do { } while (0) -+#define unregister_early_suspend(handler) do { } while (0) -+#endif -+ -+#endif -+ diff --git a/target/linux/goldfish/patches-2.6.30/0066-PM-Implement-wakelock-api.patch b/target/linux/goldfish/patches-2.6.30/0066-PM-Implement-wakelock-api.patch deleted file mode 100644 index 610bc1f518..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0066-PM-Implement-wakelock-api.patch +++ /dev/null @@ -1,673 +0,0 @@ -From eef7f012d480142a3eccff91e0ae73ecb13220b3 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Tue, 9 Sep 2008 22:14:34 -0700 -Subject: [PATCH 066/134] PM: Implement wakelock api. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -PM: wakelock: Replace expire work with a timer - -The expire work function did not work in the normal case. - -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - kernel/power/Kconfig | 19 ++ - kernel/power/Makefile | 1 + - kernel/power/power.h | 7 + - kernel/power/wakelock.c | 598 +++++++++++++++++++++++++++++++++++++++++++++++ - 4 files changed, 625 insertions(+), 0 deletions(-) - create mode 100644 kernel/power/wakelock.c - ---- a/kernel/power/Kconfig -+++ b/kernel/power/Kconfig -@@ -116,6 +116,25 @@ config SUSPEND_FREEZER - - Turning OFF this setting is NOT recommended! If in doubt, say Y. - -+config HAS_WAKELOCK -+ bool -+ -+config WAKELOCK -+ bool "Wake lock" -+ depends on PM && RTC_CLASS -+ default n -+ select HAS_WAKELOCK -+ ---help--- -+ Enable wakelocks. When user space request a sleep state the -+ sleep request will be delayed until no wake locks are held. -+ -+config WAKELOCK_STAT -+ bool "Wake lock stats" -+ depends on WAKELOCK -+ default y -+ ---help--- -+ Report wake lock stats in /proc/wakelocks -+ - config HIBERNATION - bool "Hibernation (aka 'suspend to disk')" - depends on PM && SWAP && ARCH_HIBERNATION_POSSIBLE ---- a/kernel/power/Makefile -+++ b/kernel/power/Makefile -@@ -6,6 +6,7 @@ endif - obj-$(CONFIG_PM) += main.o - obj-$(CONFIG_PM_SLEEP) += console.o - obj-$(CONFIG_FREEZER) += process.o -+obj-$(CONFIG_WAKELOCK) += wakelock.o - obj-$(CONFIG_HIBERNATION) += swsusp.o disk.o snapshot.o swap.o user.o - - obj-$(CONFIG_MAGIC_SYSRQ) += poweroff.o ---- a/kernel/power/power.h -+++ b/kernel/power/power.h -@@ -223,3 +223,10 @@ static inline void suspend_thaw_processe - { - } - #endif -+ -+#ifdef CONFIG_WAKELOCK -+/* kernel/power/wakelock.c */ -+extern struct workqueue_struct *suspend_work_queue; -+extern struct wake_lock main_wake_lock; -+extern suspend_state_t requested_suspend_state; -+#endif ---- /dev/null -+++ b/kernel/power/wakelock.c -@@ -0,0 +1,598 @@ -+/* kernel/power/wakelock.c -+ * -+ * Copyright (C) 2005-2008 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/module.h> -+#include <linux/platform_device.h> -+#include <linux/rtc.h> -+#include <linux/suspend.h> -+#include <linux/syscalls.h> /* sys_sync */ -+#include <linux/wakelock.h> -+#ifdef CONFIG_WAKELOCK_STAT -+#include <linux/proc_fs.h> -+#endif -+#include "power.h" -+ -+enum { -+ DEBUG_EXIT_SUSPEND = 1U << 0, -+ DEBUG_WAKEUP = 1U << 1, -+ DEBUG_SUSPEND = 1U << 2, -+ DEBUG_EXPIRE = 1U << 3, -+ DEBUG_WAKE_LOCK = 1U << 4, -+}; -+static int debug_mask = DEBUG_EXIT_SUSPEND | DEBUG_WAKEUP; -+module_param_named(debug_mask, debug_mask, int, S_IRUGO | S_IWUSR | S_IWGRP); -+ -+#define WAKE_LOCK_TYPE_MASK (0x0f) -+#define WAKE_LOCK_INITIALIZED (1U << 8) -+#define WAKE_LOCK_ACTIVE (1U << 9) -+#define WAKE_LOCK_AUTO_EXPIRE (1U << 10) -+#define WAKE_LOCK_PREVENTING_SUSPEND (1U << 11) -+ -+static DEFINE_SPINLOCK(list_lock); -+static LIST_HEAD(inactive_locks); -+static struct list_head active_wake_locks[WAKE_LOCK_TYPE_COUNT]; -+static int current_event_num; -+struct workqueue_struct *suspend_work_queue; -+struct wake_lock main_wake_lock; -+suspend_state_t requested_suspend_state = PM_SUSPEND_MEM; -+static struct wake_lock unknown_wakeup; -+ -+#ifdef CONFIG_WAKELOCK_STAT -+static struct wake_lock deleted_wake_locks; -+static ktime_t last_sleep_time_update; -+static int wait_for_wakeup; -+ -+int get_expired_time(struct wake_lock *lock, ktime_t *expire_time) -+{ -+ struct timespec ts; -+ struct timespec kt; -+ struct timespec tomono; -+ struct timespec delta; -+ unsigned long seq; -+ long timeout; -+ -+ if (!(lock->flags & WAKE_LOCK_AUTO_EXPIRE)) -+ return 0; -+ do { -+ seq = read_seqbegin(&xtime_lock); -+ timeout = lock->expires - jiffies; -+ if (timeout > 0) -+ return 0; -+ kt = current_kernel_time(); -+ tomono = wall_to_monotonic; -+ } while (read_seqretry(&xtime_lock, seq)); -+ jiffies_to_timespec(-timeout, &delta); -+ set_normalized_timespec(&ts, kt.tv_sec + tomono.tv_sec - delta.tv_sec, -+ kt.tv_nsec + tomono.tv_nsec - delta.tv_nsec); -+ *expire_time = timespec_to_ktime(ts); -+ return 1; -+} -+ -+ -+static int print_lock_stat(char *buf, struct wake_lock *lock) -+{ -+ int lock_count = lock->stat.count; -+ int expire_count = lock->stat.expire_count; -+ ktime_t active_time = ktime_set(0, 0); -+ ktime_t total_time = lock->stat.total_time; -+ ktime_t max_time = lock->stat.max_time; -+ ktime_t prevent_suspend_time = lock->stat.prevent_suspend_time; -+ if (lock->flags & WAKE_LOCK_ACTIVE) { -+ ktime_t now, add_time; -+ int expired = get_expired_time(lock, &now); -+ if (!expired) -+ now = ktime_get(); -+ add_time = ktime_sub(now, lock->stat.last_time); -+ lock_count++; -+ if (!expired) -+ active_time = add_time; -+ else -+ expire_count++; -+ total_time = ktime_add(total_time, add_time); -+ if (lock->flags & WAKE_LOCK_PREVENTING_SUSPEND) -+ prevent_suspend_time = ktime_add(prevent_suspend_time, -+ ktime_sub(now, last_sleep_time_update)); -+ if (add_time.tv64 > max_time.tv64) -+ max_time = add_time; -+ } -+ -+ return sprintf(buf, "\"%s\"\t%d\t%d\t%d\t%lld\t%lld\t%lld\t%lld\t" -+ "%lld\n", lock->name, lock_count, expire_count, -+ lock->stat.wakeup_count, ktime_to_ns(active_time), -+ ktime_to_ns(total_time), -+ ktime_to_ns(prevent_suspend_time), ktime_to_ns(max_time), -+ ktime_to_ns(lock->stat.last_time)); -+} -+ -+ -+static int wakelocks_read_proc(char *page, char **start, off_t off, -+ int count, int *eof, void *data) -+{ -+ unsigned long irqflags; -+ struct wake_lock *lock; -+ int len = 0; -+ char *p = page; -+ int type; -+ -+ spin_lock_irqsave(&list_lock, irqflags); -+ -+ p += sprintf(p, "name\tcount\texpire_count\twake_count\tactive_since" -+ "\ttotal_time\tsleep_time\tmax_time\tlast_change\n"); -+ list_for_each_entry(lock, &inactive_locks, link) { -+ p += print_lock_stat(p, lock); -+ } -+ for (type = 0; type < WAKE_LOCK_TYPE_COUNT; type++) { -+ list_for_each_entry(lock, &active_wake_locks[type], link) -+ p += print_lock_stat(p, lock); -+ } -+ spin_unlock_irqrestore(&list_lock, irqflags); -+ -+ *start = page + off; -+ -+ len = p - page; -+ if (len > off) -+ len -= off; -+ else -+ len = 0; -+ -+ return len < count ? len : count; -+} -+ -+static void wake_unlock_stat_locked(struct wake_lock *lock, int expired) -+{ -+ ktime_t duration; -+ ktime_t now; -+ if (!(lock->flags & WAKE_LOCK_ACTIVE)) -+ return; -+ if (get_expired_time(lock, &now)) -+ expired = 1; -+ else -+ now = ktime_get(); -+ lock->stat.count++; -+ if (expired) -+ lock->stat.expire_count++; -+ duration = ktime_sub(now, lock->stat.last_time); -+ lock->stat.total_time = ktime_add(lock->stat.total_time, duration); -+ if (ktime_to_ns(duration) > ktime_to_ns(lock->stat.max_time)) -+ lock->stat.max_time = duration; -+ lock->stat.last_time = ktime_get(); -+ if (lock->flags & WAKE_LOCK_PREVENTING_SUSPEND) { -+ duration = ktime_sub(now, last_sleep_time_update); -+ lock->stat.prevent_suspend_time = ktime_add( -+ lock->stat.prevent_suspend_time, duration); -+ lock->flags &= ~WAKE_LOCK_PREVENTING_SUSPEND; -+ } -+} -+ -+static void update_sleep_wait_stats_locked(int done) -+{ -+ struct wake_lock *lock; -+ ktime_t now, etime, elapsed, add; -+ int expired; -+ -+ now = ktime_get(); -+ elapsed = ktime_sub(now, last_sleep_time_update); -+ list_for_each_entry(lock, &active_wake_locks[WAKE_LOCK_SUSPEND], link) { -+ expired = get_expired_time(lock, &etime); -+ if (lock->flags & WAKE_LOCK_PREVENTING_SUSPEND) { -+ if (expired) -+ add = ktime_sub(etime, last_sleep_time_update); -+ else -+ add = elapsed; -+ lock->stat.prevent_suspend_time = ktime_add( -+ lock->stat.prevent_suspend_time, add); -+ } -+ if (done || expired) -+ lock->flags &= ~WAKE_LOCK_PREVENTING_SUSPEND; -+ else -+ lock->flags |= WAKE_LOCK_PREVENTING_SUSPEND; -+ } -+ last_sleep_time_update = now; -+} -+#endif -+ -+ -+static void expire_wake_lock(struct wake_lock *lock) -+{ -+#ifdef CONFIG_WAKELOCK_STAT -+ wake_unlock_stat_locked(lock, 1); -+#endif -+ lock->flags &= ~(WAKE_LOCK_ACTIVE | WAKE_LOCK_AUTO_EXPIRE); -+ list_del(&lock->link); -+ list_add(&lock->link, &inactive_locks); -+ if (debug_mask & (DEBUG_WAKE_LOCK | DEBUG_EXPIRE)) -+ pr_info("expired wake lock %s\n", lock->name); -+} -+ -+static void print_active_locks(int type) -+{ -+ unsigned long irqflags; -+ struct wake_lock *lock; -+ -+ BUG_ON(type >= WAKE_LOCK_TYPE_COUNT); -+ spin_lock_irqsave(&list_lock, irqflags); -+ list_for_each_entry(lock, &active_wake_locks[type], link) { -+ if (lock->flags & WAKE_LOCK_AUTO_EXPIRE) { -+ long timeout = lock->expires - jiffies; -+ if (timeout <= 0) -+ pr_info("wake lock %s, expired\n", lock->name); -+ else -+ pr_info("active wake lock %s, time left %ld\n", -+ lock->name, timeout); -+ } else -+ pr_info("active wake lock %s\n", lock->name); -+ } -+ spin_unlock_irqrestore(&list_lock, irqflags); -+} -+ -+static long has_wake_lock_locked(int type) -+{ -+ struct wake_lock *lock, *n; -+ long max_timeout = 0; -+ -+ BUG_ON(type >= WAKE_LOCK_TYPE_COUNT); -+ list_for_each_entry_safe(lock, n, &active_wake_locks[type], link) { -+ if (lock->flags & WAKE_LOCK_AUTO_EXPIRE) { -+ long timeout = lock->expires - jiffies; -+ if (timeout <= 0) -+ expire_wake_lock(lock); -+ else if (timeout > max_timeout) -+ max_timeout = timeout; -+ } else -+ return -1; -+ } -+ return max_timeout; -+} -+ -+long has_wake_lock(int type) -+{ -+ long ret; -+ unsigned long irqflags; -+ spin_lock_irqsave(&list_lock, irqflags); -+ ret = has_wake_lock_locked(type); -+ spin_unlock_irqrestore(&list_lock, irqflags); -+ return ret; -+} -+ -+static void suspend(struct work_struct *work) -+{ -+ int ret; -+ int entry_event_num; -+ -+ if (has_wake_lock(WAKE_LOCK_SUSPEND)) { -+ if (debug_mask & DEBUG_SUSPEND) -+ pr_info("suspend: abort suspend\n"); -+ return; -+ } -+ -+ entry_event_num = current_event_num; -+ sys_sync(); -+ if (debug_mask & DEBUG_SUSPEND) -+ pr_info("suspend: enter suspend\n"); -+ ret = pm_suspend(requested_suspend_state); -+ if (debug_mask & DEBUG_EXIT_SUSPEND) { -+ struct timespec ts; -+ struct rtc_time tm; -+ getnstimeofday(&ts); -+ rtc_time_to_tm(ts.tv_sec, &tm); -+ pr_info("suspend: exit suspend, ret = %d " -+ "(%d-%02d-%02d %02d:%02d:%02d.%09lu UTC)\n", ret, -+ tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, -+ tm.tm_hour, tm.tm_min, tm.tm_sec, ts.tv_nsec); -+ } -+ if (current_event_num == entry_event_num) { -+ if (debug_mask & DEBUG_SUSPEND) -+ pr_info("suspend: pm_suspend returned with no event\n"); -+ wake_lock_timeout(&unknown_wakeup, HZ / 2); -+ } -+} -+static DECLARE_WORK(suspend_work, suspend); -+ -+static void expire_wake_locks(unsigned long data) -+{ -+ long has_lock; -+ unsigned long irqflags; -+ if (debug_mask & DEBUG_EXPIRE) -+ pr_info("expire_wake_locks: start\n"); -+ if (debug_mask & DEBUG_SUSPEND) -+ print_active_locks(WAKE_LOCK_SUSPEND); -+ spin_lock_irqsave(&list_lock, irqflags); -+ has_lock = has_wake_lock_locked(WAKE_LOCK_SUSPEND); -+ if (debug_mask & DEBUG_EXPIRE) -+ pr_info("expire_wake_locks: done, has_lock %ld\n", has_lock); -+ if (has_lock == 0) -+ queue_work(suspend_work_queue, &suspend_work); -+ spin_unlock_irqrestore(&list_lock, irqflags); -+} -+static DEFINE_TIMER(expire_timer, expire_wake_locks, 0, 0); -+ -+static int power_suspend_late(struct platform_device *pdev, pm_message_t state) -+{ -+ int ret = has_wake_lock(WAKE_LOCK_SUSPEND) ? -EAGAIN : 0; -+#ifdef CONFIG_WAKELOCK_STAT -+ wait_for_wakeup = 1; -+#endif -+ if (debug_mask & DEBUG_SUSPEND) -+ pr_info("power_suspend_late return %d\n", ret); -+ return ret; -+} -+ -+static struct platform_driver power_driver = { -+ .driver.name = "power", -+ .suspend_late = power_suspend_late, -+}; -+static struct platform_device power_device = { -+ .name = "power", -+}; -+ -+void wake_lock_init(struct wake_lock *lock, int type, const char *name) -+{ -+ unsigned long irqflags = 0; -+ -+ if (name) -+ lock->name = name; -+ BUG_ON(!lock->name); -+ -+ if (debug_mask & DEBUG_WAKE_LOCK) -+ pr_info("wake_lock_init name=%s\n", lock->name); -+#ifdef CONFIG_WAKELOCK_STAT -+ lock->stat.count = 0; -+ lock->stat.expire_count = 0; -+ lock->stat.wakeup_count = 0; -+ lock->stat.total_time = ktime_set(0, 0); -+ lock->stat.prevent_suspend_time = ktime_set(0, 0); -+ lock->stat.max_time = ktime_set(0, 0); -+ lock->stat.last_time = ktime_set(0, 0); -+#endif -+ lock->flags = (type & WAKE_LOCK_TYPE_MASK) | WAKE_LOCK_INITIALIZED; -+ -+ INIT_LIST_HEAD(&lock->link); -+ spin_lock_irqsave(&list_lock, irqflags); -+ list_add(&lock->link, &inactive_locks); -+ spin_unlock_irqrestore(&list_lock, irqflags); -+} -+EXPORT_SYMBOL(wake_lock_init); -+ -+void wake_lock_destroy(struct wake_lock *lock) -+{ -+ unsigned long irqflags; -+ if (debug_mask & DEBUG_WAKE_LOCK) -+ pr_info("wake_lock_destroy name=%s\n", lock->name); -+ spin_lock_irqsave(&list_lock, irqflags); -+ lock->flags &= ~WAKE_LOCK_INITIALIZED; -+#ifdef CONFIG_WAKELOCK_STAT -+ if (lock->stat.count) { -+ deleted_wake_locks.stat.count += lock->stat.count; -+ deleted_wake_locks.stat.expire_count += lock->stat.expire_count; -+ deleted_wake_locks.stat.total_time = -+ ktime_add(deleted_wake_locks.stat.total_time, -+ lock->stat.total_time); -+ deleted_wake_locks.stat.prevent_suspend_time = -+ ktime_add(deleted_wake_locks.stat.prevent_suspend_time, -+ lock->stat.prevent_suspend_time); -+ deleted_wake_locks.stat.max_time = -+ ktime_add(deleted_wake_locks.stat.max_time, -+ lock->stat.max_time); -+ } -+#endif -+ list_del(&lock->link); -+ spin_unlock_irqrestore(&list_lock, irqflags); -+} -+EXPORT_SYMBOL(wake_lock_destroy); -+ -+static void wake_lock_internal( -+ struct wake_lock *lock, long timeout, int has_timeout) -+{ -+ int type; -+ unsigned long irqflags; -+ long expire_in; -+ -+ spin_lock_irqsave(&list_lock, irqflags); -+ type = lock->flags & WAKE_LOCK_TYPE_MASK; -+ BUG_ON(type >= WAKE_LOCK_TYPE_COUNT); -+ BUG_ON(!(lock->flags & WAKE_LOCK_INITIALIZED)); -+#ifdef CONFIG_WAKELOCK_STAT -+ if (type == WAKE_LOCK_SUSPEND && wait_for_wakeup) { -+ if (debug_mask & DEBUG_WAKEUP) -+ pr_info("wakeup wake lock: %s\n", lock->name); -+ wait_for_wakeup = 0; -+ lock->stat.wakeup_count++; -+ } -+ if ((lock->flags & WAKE_LOCK_AUTO_EXPIRE) && -+ (long)(lock->expires - jiffies) <= 0) { -+ wake_unlock_stat_locked(lock, 0); -+ lock->stat.last_time = ktime_get(); -+ } -+#endif -+ if (!(lock->flags & WAKE_LOCK_ACTIVE)) { -+ lock->flags |= WAKE_LOCK_ACTIVE; -+#ifdef CONFIG_WAKELOCK_STAT -+ lock->stat.last_time = ktime_get(); -+#endif -+ } -+ list_del(&lock->link); -+ if (has_timeout) { -+ if (debug_mask & DEBUG_WAKE_LOCK) -+ pr_info("wake_lock: %s, type %d, timeout %ld.%03lu\n", -+ lock->name, type, timeout / HZ, -+ (timeout % HZ) * MSEC_PER_SEC / HZ); -+ lock->expires = jiffies + timeout; -+ lock->flags |= WAKE_LOCK_AUTO_EXPIRE; -+ list_add_tail(&lock->link, &active_wake_locks[type]); -+ } else { -+ if (debug_mask & DEBUG_WAKE_LOCK) -+ pr_info("wake_lock: %s, type %d\n", lock->name, type); -+ lock->expires = LONG_MAX; -+ lock->flags &= ~WAKE_LOCK_AUTO_EXPIRE; -+ list_add(&lock->link, &active_wake_locks[type]); -+ } -+ if (type == WAKE_LOCK_SUSPEND) { -+ current_event_num++; -+#ifdef CONFIG_WAKELOCK_STAT -+ if (lock == &main_wake_lock) -+ update_sleep_wait_stats_locked(1); -+ else if (!wake_lock_active(&main_wake_lock)) -+ update_sleep_wait_stats_locked(0); -+#endif -+ if (has_timeout) -+ expire_in = has_wake_lock_locked(type); -+ else -+ expire_in = -1; -+ if (expire_in > 0) { -+ if (debug_mask & DEBUG_EXPIRE) -+ pr_info("wake_lock: %s, start expire timer, " -+ "%ld\n", lock->name, expire_in); -+ mod_timer(&expire_timer, jiffies + expire_in); -+ } else { -+ if (del_timer(&expire_timer)) -+ if (debug_mask & DEBUG_EXPIRE) -+ pr_info("wake_lock: %s, stop expire timer\n", -+ lock->name); -+ if (expire_in == 0) -+ queue_work(suspend_work_queue, &suspend_work); -+ } -+ } -+ spin_unlock_irqrestore(&list_lock, irqflags); -+} -+ -+void wake_lock(struct wake_lock *lock) -+{ -+ wake_lock_internal(lock, 0, 0); -+} -+EXPORT_SYMBOL(wake_lock); -+ -+void wake_lock_timeout(struct wake_lock *lock, long timeout) -+{ -+ wake_lock_internal(lock, timeout, 1); -+} -+EXPORT_SYMBOL(wake_lock_timeout); -+ -+void wake_unlock(struct wake_lock *lock) -+{ -+ int type; -+ unsigned long irqflags; -+ spin_lock_irqsave(&list_lock, irqflags); -+ type = lock->flags & WAKE_LOCK_TYPE_MASK; -+#ifdef CONFIG_WAKELOCK_STAT -+ wake_unlock_stat_locked(lock, 0); -+#endif -+ if (debug_mask & DEBUG_WAKE_LOCK) -+ pr_info("wake_unlock: %s\n", lock->name); -+ lock->flags &= ~(WAKE_LOCK_ACTIVE | WAKE_LOCK_AUTO_EXPIRE); -+ list_del(&lock->link); -+ list_add(&lock->link, &inactive_locks); -+ if (type == WAKE_LOCK_SUSPEND) { -+ long has_lock = has_wake_lock_locked(type); -+ if (has_lock > 0) { -+ if (debug_mask & DEBUG_EXPIRE) -+ pr_info("wake_unlock: %s, start expire timer, " -+ "%ld\n", lock->name, has_lock); -+ mod_timer(&expire_timer, jiffies + has_lock); -+ } else { -+ if (del_timer(&expire_timer)) -+ if (debug_mask & DEBUG_EXPIRE) -+ pr_info("wake_unlock: %s, stop expire " -+ "timer\n", lock->name); -+ if (has_lock == 0) -+ queue_work(suspend_work_queue, &suspend_work); -+ } -+ if (lock == &main_wake_lock) { -+ if (debug_mask & DEBUG_SUSPEND) -+ print_active_locks(WAKE_LOCK_SUSPEND); -+#ifdef CONFIG_WAKELOCK_STAT -+ update_sleep_wait_stats_locked(0); -+#endif -+ } -+ } -+ spin_unlock_irqrestore(&list_lock, irqflags); -+} -+EXPORT_SYMBOL(wake_unlock); -+ -+int wake_lock_active(struct wake_lock *lock) -+{ -+ return !!(lock->flags & WAKE_LOCK_ACTIVE); -+} -+EXPORT_SYMBOL(wake_lock_active); -+ -+static int __init wakelocks_init(void) -+{ -+ int ret; -+ int i; -+ -+ for (i = 0; i < ARRAY_SIZE(active_wake_locks); i++) -+ INIT_LIST_HEAD(&active_wake_locks[i]); -+ -+#ifdef CONFIG_WAKELOCK_STAT -+ wake_lock_init(&deleted_wake_locks, WAKE_LOCK_SUSPEND, -+ "deleted_wake_locks"); -+#endif -+ wake_lock_init(&main_wake_lock, WAKE_LOCK_SUSPEND, "main"); -+ wake_lock(&main_wake_lock); -+ wake_lock_init(&unknown_wakeup, WAKE_LOCK_SUSPEND, "unknown_wakeups"); -+ -+ ret = platform_device_register(&power_device); -+ if (ret) { -+ pr_err("wakelocks_init: platform_device_register failed\n"); -+ goto err_platform_device_register; -+ } -+ ret = platform_driver_register(&power_driver); -+ if (ret) { -+ pr_err("wakelocks_init: platform_driver_register failed\n"); -+ goto err_platform_driver_register; -+ } -+ -+ suspend_work_queue = create_singlethread_workqueue("suspend"); -+ if (suspend_work_queue == NULL) { -+ ret = -ENOMEM; -+ goto err_suspend_work_queue; -+ } -+ -+#ifdef CONFIG_WAKELOCK_STAT -+ create_proc_read_entry("wakelocks", S_IRUGO, NULL, -+ wakelocks_read_proc, NULL); -+#endif -+ -+ return 0; -+ -+err_suspend_work_queue: -+ platform_driver_unregister(&power_driver); -+err_platform_driver_register: -+ platform_device_unregister(&power_device); -+err_platform_device_register: -+ wake_lock_destroy(&unknown_wakeup); -+ wake_lock_destroy(&main_wake_lock); -+#ifdef CONFIG_WAKELOCK_STAT -+ wake_lock_destroy(&deleted_wake_locks); -+#endif -+ return ret; -+} -+ -+static void __exit wakelocks_exit(void) -+{ -+#ifdef CONFIG_WAKELOCK_STAT -+ remove_proc_entry("wakelocks", NULL); -+#endif -+ destroy_workqueue(suspend_work_queue); -+ platform_driver_unregister(&power_driver); -+ platform_device_unregister(&power_device); -+ wake_lock_destroy(&unknown_wakeup); -+ wake_lock_destroy(&main_wake_lock); -+#ifdef CONFIG_WAKELOCK_STAT -+ wake_lock_destroy(&deleted_wake_locks); -+#endif -+} -+ -+core_initcall(wakelocks_init); -+module_exit(wakelocks_exit); diff --git a/target/linux/goldfish/patches-2.6.30/0067-PM-Implement-early-suspend-api.patch b/target/linux/goldfish/patches-2.6.30/0067-PM-Implement-early-suspend-api.patch deleted file mode 100644 index 0fc0cc1bbf..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0067-PM-Implement-early-suspend-api.patch +++ /dev/null @@ -1,244 +0,0 @@ -From 2d4a25785ad1aa51bad967543e1ab20e9ed4a046 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Tue, 7 Oct 2008 20:48:01 -0700 -Subject: [PATCH 067/134] PM: Implement early suspend api - ---- - kernel/power/Kconfig | 12 +++ - kernel/power/Makefile | 1 + - kernel/power/earlysuspend.c | 178 +++++++++++++++++++++++++++++++++++++++++++ - kernel/power/power.h | 6 ++ - 4 files changed, 197 insertions(+), 0 deletions(-) - create mode 100644 kernel/power/earlysuspend.c - ---- a/kernel/power/Kconfig -+++ b/kernel/power/Kconfig -@@ -119,6 +119,9 @@ config SUSPEND_FREEZER - config HAS_WAKELOCK - bool - -+config HAS_EARLYSUSPEND -+ bool -+ - config WAKELOCK - bool "Wake lock" - depends on PM && RTC_CLASS -@@ -135,6 +138,15 @@ config WAKELOCK_STAT - ---help--- - Report wake lock stats in /proc/wakelocks - -+config EARLYSUSPEND -+ bool "Early suspend" -+ depends on WAKELOCK -+ default y -+ select HAS_EARLYSUSPEND -+ ---help--- -+ Call early suspend handlers when the user requested sleep state -+ changes. -+ - config HIBERNATION - bool "Hibernation (aka 'suspend to disk')" - depends on PM && SWAP && ARCH_HIBERNATION_POSSIBLE ---- a/kernel/power/Makefile -+++ b/kernel/power/Makefile -@@ -7,6 +7,7 @@ obj-$(CONFIG_PM) += main.o - obj-$(CONFIG_PM_SLEEP) += console.o - obj-$(CONFIG_FREEZER) += process.o - obj-$(CONFIG_WAKELOCK) += wakelock.o -+obj-$(CONFIG_EARLYSUSPEND) += earlysuspend.o - obj-$(CONFIG_HIBERNATION) += swsusp.o disk.o snapshot.o swap.o user.o - - obj-$(CONFIG_MAGIC_SYSRQ) += poweroff.o ---- /dev/null -+++ b/kernel/power/earlysuspend.c -@@ -0,0 +1,178 @@ -+/* kernel/power/earlysuspend.c -+ * -+ * Copyright (C) 2005-2008 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/earlysuspend.h> -+#include <linux/module.h> -+#include <linux/mutex.h> -+#include <linux/rtc.h> -+#include <linux/syscalls.h> /* sys_sync */ -+#include <linux/wakelock.h> -+#include <linux/workqueue.h> -+ -+#include "power.h" -+ -+enum { -+ DEBUG_USER_STATE = 1U << 0, -+ DEBUG_SUSPEND = 1U << 2, -+}; -+static int debug_mask = DEBUG_USER_STATE; -+module_param_named(debug_mask, debug_mask, int, S_IRUGO | S_IWUSR | S_IWGRP); -+ -+static DEFINE_MUTEX(early_suspend_lock); -+static LIST_HEAD(early_suspend_handlers); -+static void early_suspend(struct work_struct *work); -+static void late_resume(struct work_struct *work); -+static DECLARE_WORK(early_suspend_work, early_suspend); -+static DECLARE_WORK(late_resume_work, late_resume); -+static DEFINE_SPINLOCK(state_lock); -+enum { -+ SUSPEND_REQUESTED = 0x1, -+ SUSPENDED = 0x2, -+ SUSPEND_REQUESTED_AND_SUSPENDED = SUSPEND_REQUESTED | SUSPENDED, -+}; -+static int state; -+ -+void register_early_suspend(struct early_suspend *handler) -+{ -+ struct list_head *pos; -+ -+ mutex_lock(&early_suspend_lock); -+ list_for_each(pos, &early_suspend_handlers) { -+ struct early_suspend *e; -+ e = list_entry(pos, struct early_suspend, link); -+ if (e->level > handler->level) -+ break; -+ } -+ list_add_tail(&handler->link, pos); -+ if ((state & SUSPENDED) && handler->suspend) -+ handler->suspend(handler); -+ mutex_unlock(&early_suspend_lock); -+} -+EXPORT_SYMBOL(register_early_suspend); -+ -+void unregister_early_suspend(struct early_suspend *handler) -+{ -+ mutex_lock(&early_suspend_lock); -+ list_del(&handler->link); -+ mutex_unlock(&early_suspend_lock); -+} -+EXPORT_SYMBOL(unregister_early_suspend); -+ -+static void early_suspend(struct work_struct *work) -+{ -+ struct early_suspend *pos; -+ unsigned long irqflags; -+ int abort = 0; -+ -+ mutex_lock(&early_suspend_lock); -+ spin_lock_irqsave(&state_lock, irqflags); -+ if (state == SUSPEND_REQUESTED) -+ state |= SUSPENDED; -+ else -+ abort = 1; -+ spin_unlock_irqrestore(&state_lock, irqflags); -+ -+ if (abort) { -+ if (debug_mask & DEBUG_SUSPEND) -+ pr_info("early_suspend: abort, state %d\n", state); -+ mutex_unlock(&early_suspend_lock); -+ goto abort; -+ } -+ -+ if (debug_mask & DEBUG_SUSPEND) -+ pr_info("early_suspend: call handlers\n"); -+ list_for_each_entry(pos, &early_suspend_handlers, link) { -+ if (pos->suspend != NULL) -+ pos->suspend(pos); -+ } -+ mutex_unlock(&early_suspend_lock); -+ -+ if (debug_mask & DEBUG_SUSPEND) -+ pr_info("early_suspend: sync\n"); -+ -+ sys_sync(); -+abort: -+ spin_lock_irqsave(&state_lock, irqflags); -+ if (state == SUSPEND_REQUESTED_AND_SUSPENDED) -+ wake_unlock(&main_wake_lock); -+ spin_unlock_irqrestore(&state_lock, irqflags); -+} -+ -+static void late_resume(struct work_struct *work) -+{ -+ struct early_suspend *pos; -+ unsigned long irqflags; -+ int abort = 0; -+ -+ mutex_lock(&early_suspend_lock); -+ spin_lock_irqsave(&state_lock, irqflags); -+ if (state == SUSPENDED) -+ state &= ~SUSPENDED; -+ else -+ abort = 1; -+ spin_unlock_irqrestore(&state_lock, irqflags); -+ -+ if (abort) { -+ if (debug_mask & DEBUG_SUSPEND) -+ pr_info("late_resume: abort, state %d\n", state); -+ goto abort; -+ } -+ if (debug_mask & DEBUG_SUSPEND) -+ pr_info("late_resume: call handlers\n"); -+ list_for_each_entry_reverse(pos, &early_suspend_handlers, link) -+ if (pos->resume != NULL) -+ pos->resume(pos); -+ if (debug_mask & DEBUG_SUSPEND) -+ pr_info("late_resume: done\n"); -+abort: -+ mutex_unlock(&early_suspend_lock); -+} -+ -+void request_suspend_state(suspend_state_t new_state) -+{ -+ unsigned long irqflags; -+ int old_sleep; -+ -+ spin_lock_irqsave(&state_lock, irqflags); -+ old_sleep = state & SUSPEND_REQUESTED; -+ if (debug_mask & DEBUG_USER_STATE) { -+ struct timespec ts; -+ struct rtc_time tm; -+ getnstimeofday(&ts); -+ rtc_time_to_tm(ts.tv_sec, &tm); -+ pr_info("request_suspend_state: %s (%d->%d) at %lld " -+ "(%d-%02d-%02d %02d:%02d:%02d.%09lu UTC)\n", -+ new_state != PM_SUSPEND_ON ? "sleep" : "wakeup", -+ requested_suspend_state, new_state, -+ ktime_to_ns(ktime_get()), -+ tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, -+ tm.tm_hour, tm.tm_min, tm.tm_sec, ts.tv_nsec); -+ } -+ if (!old_sleep && new_state != PM_SUSPEND_ON) { -+ state |= SUSPEND_REQUESTED; -+ queue_work(suspend_work_queue, &early_suspend_work); -+ } else if (old_sleep && new_state == PM_SUSPEND_ON) { -+ state &= ~SUSPEND_REQUESTED; -+ wake_lock(&main_wake_lock); -+ queue_work(suspend_work_queue, &late_resume_work); -+ } -+ requested_suspend_state = new_state; -+ spin_unlock_irqrestore(&state_lock, irqflags); -+} -+ -+suspend_state_t get_suspend_state(void) -+{ -+ return requested_suspend_state; -+} ---- a/kernel/power/power.h -+++ b/kernel/power/power.h -@@ -230,3 +230,9 @@ extern struct workqueue_struct *suspend_ - extern struct wake_lock main_wake_lock; - extern suspend_state_t requested_suspend_state; - #endif -+ -+#ifdef CONFIG_EARLYSUSPEND -+/* kernel/power/earlysuspend.c */ -+void request_suspend_state(suspend_state_t state); -+suspend_state_t get_suspend_state(void); -+#endif diff --git a/target/linux/goldfish/patches-2.6.30/0068-PM-Enable-early-suspend-through-sys-power-state.patch b/target/linux/goldfish/patches-2.6.30/0068-PM-Enable-early-suspend-through-sys-power-state.patch deleted file mode 100644 index 84a95dba9f..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0068-PM-Enable-early-suspend-through-sys-power-state.patch +++ /dev/null @@ -1,52 +0,0 @@ -From 7b236e69bb4403f20fbdef81907d46b4d32d4af8 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Thu, 9 Oct 2008 19:17:11 -0700 -Subject: [PATCH 068/134] PM: Enable early suspend through /sys/power/state - -If EARLYSUSPEND is enabled then writes to /sys/power/state no longer -blocks, and the kernel will try to enter the requested state every -time no wakelocks are held. Write "on" to resume normal operation. ---- - kernel/power/main.c | 14 ++++++++++++++ - 1 files changed, 14 insertions(+), 0 deletions(-) - ---- a/kernel/power/main.c -+++ b/kernel/power/main.c -@@ -408,6 +408,9 @@ static void suspend_finish(void) - - - static const char * const pm_states[PM_SUSPEND_MAX] = { -+#ifdef CONFIG_EARLYSUSPEND -+ [PM_SUSPEND_ON] = "on", -+#endif - [PM_SUSPEND_STANDBY] = "standby", - [PM_SUSPEND_MEM] = "mem", - }; -@@ -525,7 +528,11 @@ static ssize_t state_store(struct kobjec - const char *buf, size_t n) - { - #ifdef CONFIG_SUSPEND -+#ifdef CONFIG_EARLYSUSPEND -+ suspend_state_t state = PM_SUSPEND_ON; -+#else - suspend_state_t state = PM_SUSPEND_STANDBY; -+#endif - const char * const *s; - #endif - char *p; -@@ -547,8 +554,15 @@ static ssize_t state_store(struct kobjec - break; - } - if (state < PM_SUSPEND_MAX && *s) -+#ifdef CONFIG_EARLYSUSPEND -+ if (state == PM_SUSPEND_ON || valid_state(state)) { -+ error = 0; -+ request_suspend_state(state); -+ } -+#else - error = enter_state(state); - #endif -+#endif - - Exit: - return error ? error : n; diff --git a/target/linux/goldfish/patches-2.6.30/0069-PM-Add-user-space-wake-lock-api.patch b/target/linux/goldfish/patches-2.6.30/0069-PM-Add-user-space-wake-lock-api.patch deleted file mode 100644 index c1d0125f11..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0069-PM-Add-user-space-wake-lock-api.patch +++ /dev/null @@ -1,314 +0,0 @@ -From 48e1af2bdd11204f11b3770a6c8d3eee64aee2e8 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Thu, 9 Oct 2008 21:01:46 -0700 -Subject: [PATCH 069/134] PM: Add user-space wake lock api. - -This adds /sys/power/wake_lock and /sys/power/wake_unlock. -Writing a string to wake_lock creates a wake lock the -first time is sees a string and locks it. Optionally, the -string can be followed by a timeout. -To unlock the wake lock, write the same string to wake_unlock. ---- - kernel/power/Kconfig | 10 ++ - kernel/power/Makefile | 1 + - kernel/power/main.c | 9 ++ - kernel/power/power.h | 11 ++ - kernel/power/userwakelock.c | 218 +++++++++++++++++++++++++++++++++++++++++++ - 5 files changed, 249 insertions(+), 0 deletions(-) - create mode 100644 kernel/power/userwakelock.c - ---- a/kernel/power/Kconfig -+++ b/kernel/power/Kconfig -@@ -138,6 +138,16 @@ config WAKELOCK_STAT - ---help--- - Report wake lock stats in /proc/wakelocks - -+config USER_WAKELOCK -+ bool "Userspace wake locks" -+ depends on WAKELOCK -+ default y -+ ---help--- -+ User-space wake lock api. Write "lockname" or "lockname timeout" -+ to /sys/power/wake_lock lock and if needed create a wake lock. -+ Write "lockname" to /sys/power/wake_unlock to unlock a user wake -+ lock. -+ - config EARLYSUSPEND - bool "Early suspend" - depends on WAKELOCK ---- a/kernel/power/Makefile -+++ b/kernel/power/Makefile -@@ -7,6 +7,7 @@ obj-$(CONFIG_PM) += main.o - obj-$(CONFIG_PM_SLEEP) += console.o - obj-$(CONFIG_FREEZER) += process.o - obj-$(CONFIG_WAKELOCK) += wakelock.o -+obj-$(CONFIG_USER_WAKELOCK) += userwakelock.o - obj-$(CONFIG_EARLYSUSPEND) += earlysuspend.o - obj-$(CONFIG_HIBERNATION) += swsusp.o disk.o snapshot.o swap.o user.o - ---- a/kernel/power/main.c -+++ b/kernel/power/main.c -@@ -595,6 +595,11 @@ pm_trace_store(struct kobject *kobj, str - power_attr(pm_trace); - #endif /* CONFIG_PM_TRACE */ - -+#ifdef CONFIG_USER_WAKELOCK -+power_attr(wake_lock); -+power_attr(wake_unlock); -+#endif -+ - static struct attribute * g[] = { - &state_attr.attr, - #ifdef CONFIG_PM_TRACE -@@ -603,6 +608,10 @@ static struct attribute * g[] = { - #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PM_DEBUG) - &pm_test_attr.attr, - #endif -+#ifdef CONFIG_USER_WAKELOCK -+ &wake_lock_attr.attr, -+ &wake_unlock_attr.attr, -+#endif - NULL, - }; - ---- a/kernel/power/power.h -+++ b/kernel/power/power.h -@@ -231,6 +231,17 @@ extern struct wake_lock main_wake_lock; - extern suspend_state_t requested_suspend_state; - #endif - -+#ifdef CONFIG_USER_WAKELOCK -+ssize_t wake_lock_show(struct kobject *kobj, struct kobj_attribute *attr, -+ char *buf); -+ssize_t wake_lock_store(struct kobject *kobj, struct kobj_attribute *attr, -+ const char *buf, size_t n); -+ssize_t wake_unlock_show(struct kobject *kobj, struct kobj_attribute *attr, -+ char *buf); -+ssize_t wake_unlock_store(struct kobject *kobj, struct kobj_attribute *attr, -+ const char *buf, size_t n); -+#endif -+ - #ifdef CONFIG_EARLYSUSPEND - /* kernel/power/earlysuspend.c */ - void request_suspend_state(suspend_state_t state); ---- /dev/null -+++ b/kernel/power/userwakelock.c -@@ -0,0 +1,218 @@ -+/* kernel/power/userwakelock.c -+ * -+ * Copyright (C) 2005-2008 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/ctype.h> -+#include <linux/module.h> -+#include <linux/wakelock.h> -+ -+#include "power.h" -+ -+enum { -+ DEBUG_FAILURE = BIT(0), -+ DEBUG_ERROR = BIT(1), -+ DEBUG_NEW = BIT(2), -+ DEBUG_ACCESS = BIT(3), -+ DEBUG_LOOKUP = BIT(4), -+}; -+static int debug_mask = DEBUG_FAILURE; -+module_param_named(debug_mask, debug_mask, int, S_IRUGO | S_IWUSR | S_IWGRP); -+ -+static DEFINE_MUTEX(tree_lock); -+ -+struct user_wake_lock { -+ struct rb_node node; -+ struct wake_lock wake_lock; -+ char name[0]; -+}; -+struct rb_root user_wake_locks; -+ -+static struct user_wake_lock *lookup_wake_lock_name( -+ const char *buf, int allocate, long *timeoutptr) -+{ -+ struct rb_node **p = &user_wake_locks.rb_node; -+ struct rb_node *parent = NULL; -+ struct user_wake_lock *l; -+ int diff; -+ u64 timeout; -+ int name_len; -+ const char *arg; -+ -+ /* Find length of lock name and start of optional timeout string */ -+ arg = buf; -+ while (*arg && !isspace(*arg)) -+ arg++; -+ name_len = arg - buf; -+ if (!name_len) -+ goto bad_arg; -+ while (isspace(*arg)) -+ arg++; -+ -+ /* Process timeout string */ -+ if (timeoutptr && *arg) { -+ timeout = simple_strtoull(arg, (char **)&arg, 0); -+ while (isspace(*arg)) -+ arg++; -+ if (*arg) -+ goto bad_arg; -+ /* convert timeout from nanoseconds to jiffies > 0 */ -+ timeout += (NSEC_PER_SEC / HZ) - 1; -+ do_div(timeout, (NSEC_PER_SEC / HZ)); -+ if (timeout <= 0) -+ timeout = 1; -+ *timeoutptr = timeout; -+ } else if (*arg) -+ goto bad_arg; -+ else if (timeoutptr) -+ *timeoutptr = 0; -+ -+ /* Lookup wake lock in rbtree */ -+ while (*p) { -+ parent = *p; -+ l = rb_entry(parent, struct user_wake_lock, node); -+ diff = strncmp(buf, l->name, name_len); -+ if (!diff && l->name[name_len]) -+ diff = -1; -+ if (debug_mask & DEBUG_ERROR) -+ pr_info("lookup_wake_lock_name: compare %.*s %s %d\n", -+ name_len, buf, l->name, diff); -+ -+ if (diff < 0) -+ p = &(*p)->rb_left; -+ else if (diff > 0) -+ p = &(*p)->rb_right; -+ else -+ return l; -+ } -+ -+ /* Allocate and add new wakelock to rbtree */ -+ if (!allocate) { -+ if (debug_mask & DEBUG_ERROR) -+ pr_info("lookup_wake_lock_name: %.*s not found\n", -+ name_len, buf); -+ return ERR_PTR(-EINVAL); -+ } -+ l = kzalloc(sizeof(*l) + name_len + 1, GFP_KERNEL); -+ if (l == NULL) { -+ if (debug_mask & DEBUG_FAILURE) -+ pr_err("lookup_wake_lock_name: failed to allocate " -+ "memory for %.*s\n", name_len, buf); -+ return ERR_PTR(-ENOMEM); -+ } -+ memcpy(l->name, buf, name_len); -+ if (debug_mask & DEBUG_NEW) -+ pr_info("lookup_wake_lock_name: new wake lock %s\n", l->name); -+ wake_lock_init(&l->wake_lock, WAKE_LOCK_SUSPEND, l->name); -+ rb_link_node(&l->node, parent, p); -+ rb_insert_color(&l->node, &user_wake_locks); -+ return l; -+ -+bad_arg: -+ if (debug_mask & DEBUG_ERROR) -+ pr_info("lookup_wake_lock_name: wake lock, %.*s, bad arg, %s\n", -+ name_len, buf, arg); -+ return ERR_PTR(-EINVAL); -+} -+ -+ssize_t wake_lock_show( -+ struct kobject *kobj, struct kobj_attribute *attr, char *buf) -+{ -+ char *s = buf; -+ char *end = buf + PAGE_SIZE; -+ struct rb_node *n; -+ struct user_wake_lock *l; -+ -+ mutex_lock(&tree_lock); -+ -+ for (n = rb_first(&user_wake_locks); n != NULL; n = rb_next(n)) { -+ l = rb_entry(n, struct user_wake_lock, node); -+ if (wake_lock_active(&l->wake_lock)) -+ s += scnprintf(s, end - s, "%s ", l->name); -+ } -+ s += scnprintf(s, end - s, "\n"); -+ -+ mutex_unlock(&tree_lock); -+ return (s - buf); -+} -+ -+ssize_t wake_lock_store( -+ struct kobject *kobj, struct kobj_attribute *attr, -+ const char *buf, size_t n) -+{ -+ long timeout; -+ struct user_wake_lock *l; -+ -+ mutex_lock(&tree_lock); -+ l = lookup_wake_lock_name(buf, 1, &timeout); -+ if (IS_ERR(l)) { -+ n = PTR_ERR(l); -+ goto bad_name; -+ } -+ -+ if (debug_mask & DEBUG_ACCESS) -+ pr_info("wake_lock_store: %s, timeout %ld\n", l->name, timeout); -+ -+ if (timeout) -+ wake_lock_timeout(&l->wake_lock, timeout); -+ else -+ wake_lock(&l->wake_lock); -+bad_name: -+ mutex_unlock(&tree_lock); -+ return n; -+} -+ -+ -+ssize_t wake_unlock_show( -+ struct kobject *kobj, struct kobj_attribute *attr, char *buf) -+{ -+ char *s = buf; -+ char *end = buf + PAGE_SIZE; -+ struct rb_node *n; -+ struct user_wake_lock *l; -+ -+ mutex_lock(&tree_lock); -+ -+ for (n = rb_first(&user_wake_locks); n != NULL; n = rb_next(n)) { -+ l = rb_entry(n, struct user_wake_lock, node); -+ if (!wake_lock_active(&l->wake_lock)) -+ s += scnprintf(s, end - s, "%s ", l->name); -+ } -+ s += scnprintf(s, end - s, "\n"); -+ -+ mutex_unlock(&tree_lock); -+ return (s - buf); -+} -+ -+ssize_t wake_unlock_store( -+ struct kobject *kobj, struct kobj_attribute *attr, -+ const char *buf, size_t n) -+{ -+ struct user_wake_lock *l; -+ -+ mutex_lock(&tree_lock); -+ l = lookup_wake_lock_name(buf, 0, NULL); -+ if (IS_ERR(l)) { -+ n = PTR_ERR(l); -+ goto not_found; -+ } -+ -+ if (debug_mask & DEBUG_ACCESS) -+ pr_info("wake_unlock_store: %s\n", l->name); -+ -+ wake_unlock(&l->wake_lock); -+not_found: -+ mutex_unlock(&tree_lock); -+ return n; -+} -+ diff --git a/target/linux/goldfish/patches-2.6.30/0070-PM-wakelock-Abort-task-freezing-if-a-wake-lock-is.patch b/target/linux/goldfish/patches-2.6.30/0070-PM-wakelock-Abort-task-freezing-if-a-wake-lock-is.patch deleted file mode 100644 index a93df9ad41..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0070-PM-wakelock-Abort-task-freezing-if-a-wake-lock-is.patch +++ /dev/null @@ -1,64 +0,0 @@ -From 3f8e407c418205252f00615da4d0182e8c960344 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Tue, 14 Oct 2008 16:02:39 -0700 -Subject: [PATCH 070/134] PM: wakelock: Abort task freezing if a wake lock is held. - -Avoids a problem where the device sometimes hangs for 20 seconds -before the screen is turned on. ---- - kernel/power/process.c | 23 ++++++++++++++++++----- - 1 files changed, 18 insertions(+), 5 deletions(-) - ---- a/kernel/power/process.c -+++ b/kernel/power/process.c -@@ -13,6 +13,7 @@ - #include <linux/module.h> - #include <linux/syscalls.h> - #include <linux/freezer.h> -+#include <linux/wakelock.h> - - /* - * Timeout for stopping processes -@@ -36,6 +37,7 @@ static int try_to_freeze_tasks(bool sig_ - struct timeval start, end; - u64 elapsed_csecs64; - unsigned int elapsed_csecs; -+ unsigned int wakeup = 0; - - do_gettimeofday(&start); - -@@ -62,6 +64,10 @@ static int try_to_freeze_tasks(bool sig_ - } while_each_thread(g, p); - read_unlock(&tasklist_lock); - yield(); /* Yield is okay here */ -+ if (todo && has_wake_lock(WAKE_LOCK_SUSPEND)) { -+ wakeup = 1; -+ break; -+ } - if (time_after(jiffies, end_time)) - break; - } while (todo); -@@ -77,11 +83,18 @@ static int try_to_freeze_tasks(bool sig_ - * and caller must call thaw_processes() if something fails), - * but it cleans up leftover PF_FREEZE requests. - */ -- printk("\n"); -- printk(KERN_ERR "Freezing of tasks failed after %d.%02d seconds " -- "(%d tasks refusing to freeze):\n", -- elapsed_csecs / 100, elapsed_csecs % 100, todo); -- show_state(); -+ if(wakeup) { -+ printk("\n"); -+ printk(KERN_ERR "Freezing of %s aborted\n", -+ sig_only ? "user space " : "tasks "); -+ } -+ else { -+ printk("\n"); -+ printk(KERN_ERR "Freezing of tasks failed after %d.%02d seconds " -+ "(%d tasks refusing to freeze):\n", -+ elapsed_csecs / 100, elapsed_csecs % 100, todo); -+ show_state(); -+ } - read_lock(&tasklist_lock); - do_each_thread(g, p) { - task_lock(p); diff --git a/target/linux/goldfish/patches-2.6.30/0071-PM-earlysuspend-Add-console-switch-when-user-reque.patch b/target/linux/goldfish/patches-2.6.30/0071-PM-earlysuspend-Add-console-switch-when-user-reque.patch deleted file mode 100644 index 602b92425a..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0071-PM-earlysuspend-Add-console-switch-when-user-reque.patch +++ /dev/null @@ -1,133 +0,0 @@ -From 0083b2afe89dea4a06bfd967b164318ad0bccd11 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Wed, 15 Oct 2008 17:52:20 -0700 -Subject: [PATCH 071/134] PM: earlysuspend: Add console switch when user requested sleep state changes. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - kernel/power/Kconfig | 17 ++++++++ - kernel/power/Makefile | 1 + - kernel/power/consoleearlysuspend.c | 78 ++++++++++++++++++++++++++++++++++++ - 3 files changed, 96 insertions(+), 0 deletions(-) - create mode 100644 kernel/power/consoleearlysuspend.c - ---- a/kernel/power/Kconfig -+++ b/kernel/power/Kconfig -@@ -157,6 +157,23 @@ config EARLYSUSPEND - Call early suspend handlers when the user requested sleep state - changes. - -+choice -+ prompt "User-space screen access" -+ default CONSOLE_EARLYSUSPEND -+ depends on HAS_EARLYSUSPEND -+ -+ config NO_USER_SPACE_SCREEN_ACCESS_CONTROL -+ bool "None" -+ -+ config CONSOLE_EARLYSUSPEND -+ bool "Console switch on early-suspend" -+ depends on HAS_EARLYSUSPEND && VT -+ ---help--- -+ Register early suspend handler to perform a console switch to -+ when user-space should stop drawing to the screen and a switch -+ back when it should resume. -+endchoice -+ - config HIBERNATION - bool "Hibernation (aka 'suspend to disk')" - depends on PM && SWAP && ARCH_HIBERNATION_POSSIBLE ---- a/kernel/power/Makefile -+++ b/kernel/power/Makefile -@@ -9,6 +9,7 @@ obj-$(CONFIG_FREEZER) += process.o - obj-$(CONFIG_WAKELOCK) += wakelock.o - obj-$(CONFIG_USER_WAKELOCK) += userwakelock.o - obj-$(CONFIG_EARLYSUSPEND) += earlysuspend.o -+obj-$(CONFIG_CONSOLE_EARLYSUSPEND) += consoleearlysuspend.o - obj-$(CONFIG_HIBERNATION) += swsusp.o disk.o snapshot.o swap.o user.o - - obj-$(CONFIG_MAGIC_SYSRQ) += poweroff.o ---- /dev/null -+++ b/kernel/power/consoleearlysuspend.c -@@ -0,0 +1,78 @@ -+/* kernel/power/consoleearlysuspend.c -+ * -+ * Copyright (C) 2005-2008 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/console.h> -+#include <linux/earlysuspend.h> -+#include <linux/kbd_kern.h> -+#include <linux/module.h> -+#include <linux/vt_kern.h> -+#include <linux/wait.h> -+ -+#define EARLY_SUSPEND_CONSOLE (MAX_NR_CONSOLES-1) -+ -+static int orig_fgconsole; -+static void console_early_suspend(struct early_suspend *h) -+{ -+ acquire_console_sem(); -+ orig_fgconsole = fg_console; -+ if (vc_allocate(EARLY_SUSPEND_CONSOLE)) -+ goto err; -+ if (set_console(EARLY_SUSPEND_CONSOLE)) -+ goto err; -+ release_console_sem(); -+ -+ if (vt_waitactive(EARLY_SUSPEND_CONSOLE)) -+ pr_warning("console_early_suspend: Can't switch VCs.\n"); -+ return; -+err: -+ pr_warning("console_early_suspend: Can't set console\n"); -+ release_console_sem(); -+} -+ -+static void console_late_resume(struct early_suspend *h) -+{ -+ int ret; -+ acquire_console_sem(); -+ ret = set_console(orig_fgconsole); -+ release_console_sem(); -+ if (ret) { -+ pr_warning("console_late_resume: Can't set console.\n"); -+ return; -+ } -+ -+ if (vt_waitactive(orig_fgconsole)) -+ pr_warning("console_late_resume: Can't switch VCs.\n"); -+} -+ -+static struct early_suspend console_early_suspend_desc = { -+ .level = EARLY_SUSPEND_LEVEL_STOP_DRAWING, -+ .suspend = console_early_suspend, -+ .resume = console_late_resume, -+}; -+ -+static int __init console_early_suspend_init(void) -+{ -+ register_early_suspend(&console_early_suspend_desc); -+ return 0; -+} -+ -+static void __exit console_early_suspend_exit(void) -+{ -+ unregister_early_suspend(&console_early_suspend_desc); -+} -+ -+module_init(console_early_suspend_init); -+module_exit(console_early_suspend_exit); -+ diff --git a/target/linux/goldfish/patches-2.6.30/0072-PM-earlysuspend-Removing-dependence-on-console.patch b/target/linux/goldfish/patches-2.6.30/0072-PM-earlysuspend-Removing-dependence-on-console.patch deleted file mode 100644 index 489cfc0f48..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0072-PM-earlysuspend-Removing-dependence-on-console.patch +++ /dev/null @@ -1,217 +0,0 @@ -From ba801aa66e869f1f9f9d3a1610a2165baa024e4b Mon Sep 17 00:00:00 2001 -From: Rebecca Schultz <rschultz@google.com> -Date: Thu, 17 Jul 2008 18:14:55 -0700 -Subject: [PATCH 072/134] PM: earlysuspend: Removing dependence on console. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Rather than signaling a full update of the display from userspace via a -console switch, this patch introduces 2 files int /sys/power, -wait_for_fb_sleep and wait_for_fb_wake. Reading these files will block -until the requested state has been entered. When a read from -wait_for_fb_sleep returns userspace should stop drawing. When -wait_for_fb_wake returns, it should do a full update. If either are called -when the fb driver is already in the requested state, they will return -immediately. - -Signed-off-by: Rebecca Schultz <rschultz@google.com> -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - kernel/power/Kconfig | 9 +++ - kernel/power/Makefile | 1 + - kernel/power/fbearlysuspend.c | 153 +++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 163 insertions(+), 0 deletions(-) - create mode 100644 kernel/power/fbearlysuspend.c - ---- a/kernel/power/Kconfig -+++ b/kernel/power/Kconfig -@@ -159,6 +159,7 @@ config EARLYSUSPEND - - choice - prompt "User-space screen access" -+ default FB_EARLYSUSPEND if !FRAMEBUFFER_CONSOLE - default CONSOLE_EARLYSUSPEND - depends on HAS_EARLYSUSPEND - -@@ -172,6 +173,14 @@ choice - Register early suspend handler to perform a console switch to - when user-space should stop drawing to the screen and a switch - back when it should resume. -+ -+ config FB_EARLYSUSPEND -+ bool "Sysfs interface" -+ depends on HAS_EARLYSUSPEND -+ ---help--- -+ Register early suspend handler that notifies and waits for -+ user-space through sysfs when user-space should stop drawing -+ to the screen and notifies user-space when it should resume. - endchoice - - config HIBERNATION ---- a/kernel/power/Makefile -+++ b/kernel/power/Makefile -@@ -10,6 +10,7 @@ obj-$(CONFIG_WAKELOCK) += wakelock.o - obj-$(CONFIG_USER_WAKELOCK) += userwakelock.o - obj-$(CONFIG_EARLYSUSPEND) += earlysuspend.o - obj-$(CONFIG_CONSOLE_EARLYSUSPEND) += consoleearlysuspend.o -+obj-$(CONFIG_FB_EARLYSUSPEND) += fbearlysuspend.o - obj-$(CONFIG_HIBERNATION) += swsusp.o disk.o snapshot.o swap.o user.o - - obj-$(CONFIG_MAGIC_SYSRQ) += poweroff.o ---- /dev/null -+++ b/kernel/power/fbearlysuspend.c -@@ -0,0 +1,153 @@ -+/* kernel/power/fbearlysuspend.c -+ * -+ * Copyright (C) 2005-2008 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/earlysuspend.h> -+#include <linux/module.h> -+#include <linux/wait.h> -+ -+#include "power.h" -+ -+static wait_queue_head_t fb_state_wq; -+static DEFINE_SPINLOCK(fb_state_lock); -+static enum { -+ FB_STATE_STOPPED_DRAWING, -+ FB_STATE_REQUEST_STOP_DRAWING, -+ FB_STATE_DRAWING_OK, -+} fb_state; -+ -+/* tell userspace to stop drawing, wait for it to stop */ -+static void stop_drawing_early_suspend(struct early_suspend *h) -+{ -+ int ret; -+ unsigned long irq_flags; -+ -+ spin_lock_irqsave(&fb_state_lock, irq_flags); -+ fb_state = FB_STATE_REQUEST_STOP_DRAWING; -+ spin_unlock_irqrestore(&fb_state_lock, irq_flags); -+ -+ wake_up_all(&fb_state_wq); -+ ret = wait_event_timeout(fb_state_wq, -+ fb_state == FB_STATE_STOPPED_DRAWING, -+ HZ); -+ if (unlikely(fb_state != FB_STATE_STOPPED_DRAWING)) -+ pr_warning("stop_drawing_early_suspend: timeout waiting for " -+ "userspace to stop drawing\n"); -+} -+ -+/* tell userspace to start drawing */ -+static void start_drawing_late_resume(struct early_suspend *h) -+{ -+ unsigned long irq_flags; -+ -+ spin_lock_irqsave(&fb_state_lock, irq_flags); -+ fb_state = FB_STATE_DRAWING_OK; -+ spin_unlock_irqrestore(&fb_state_lock, irq_flags); -+ wake_up(&fb_state_wq); -+} -+ -+static struct early_suspend stop_drawing_early_suspend_desc = { -+ .level = EARLY_SUSPEND_LEVEL_STOP_DRAWING, -+ .suspend = stop_drawing_early_suspend, -+ .resume = start_drawing_late_resume, -+}; -+ -+static ssize_t wait_for_fb_sleep_show(struct kobject *kobj, -+ struct kobj_attribute *attr, char *buf) -+{ -+ char *s = buf; -+ int ret; -+ -+ ret = wait_event_interruptible(fb_state_wq, -+ fb_state != FB_STATE_DRAWING_OK); -+ if (ret && fb_state == FB_STATE_DRAWING_OK) -+ return ret; -+ else -+ s += sprintf(buf, "sleeping"); -+ return s - buf; -+} -+ -+static ssize_t wait_for_fb_wake_show(struct kobject *kobj, -+ struct kobj_attribute *attr, char *buf) -+{ -+ char *s = buf; -+ int ret; -+ unsigned long irq_flags; -+ -+ spin_lock_irqsave(&fb_state_lock, irq_flags); -+ if (fb_state == FB_STATE_REQUEST_STOP_DRAWING) { -+ fb_state = FB_STATE_STOPPED_DRAWING; -+ wake_up(&fb_state_wq); -+ } -+ spin_unlock_irqrestore(&fb_state_lock, irq_flags); -+ -+ ret = wait_event_interruptible(fb_state_wq, -+ fb_state == FB_STATE_DRAWING_OK); -+ if (ret && fb_state != FB_STATE_DRAWING_OK) -+ return ret; -+ else -+ s += sprintf(buf, "awake"); -+ -+ return s - buf; -+} -+ -+#define power_ro_attr(_name) \ -+static struct kobj_attribute _name##_attr = { \ -+ .attr = { \ -+ .name = __stringify(_name), \ -+ .mode = 0444, \ -+ }, \ -+ .show = _name##_show, \ -+ .store = NULL, \ -+} -+ -+power_ro_attr(wait_for_fb_sleep); -+power_ro_attr(wait_for_fb_wake); -+ -+static struct attribute *g[] = { -+ &wait_for_fb_sleep_attr.attr, -+ &wait_for_fb_wake_attr.attr, -+ NULL, -+}; -+ -+static struct attribute_group attr_group = { -+ .attrs = g, -+}; -+ -+static int __init android_power_init(void) -+{ -+ int ret; -+ -+ init_waitqueue_head(&fb_state_wq); -+ fb_state = FB_STATE_DRAWING_OK; -+ -+ ret = sysfs_create_group(power_kobj, &attr_group); -+ if (ret) { -+ pr_err("android_power_init: sysfs_create_group failed\n"); -+ return ret; -+ } -+ -+ register_early_suspend(&stop_drawing_early_suspend_desc); -+ return 0; -+} -+ -+static void __exit android_power_exit(void) -+{ -+ unregister_early_suspend(&stop_drawing_early_suspend_desc); -+ sysfs_remove_group(power_kobj, &attr_group); -+} -+ -+module_init(android_power_init); -+module_exit(android_power_exit); -+ diff --git a/target/linux/goldfish/patches-2.6.30/0081-net-socket-ioctl-to-reset-connections-matching-loca.patch b/target/linux/goldfish/patches-2.6.30/0081-net-socket-ioctl-to-reset-connections-matching-loca.patch deleted file mode 100644 index fdffc507a0..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0081-net-socket-ioctl-to-reset-connections-matching-loca.patch +++ /dev/null @@ -1,132 +0,0 @@ -From 2df5996350da51bcdee798c00ae1f2415fd9ad20 Mon Sep 17 00:00:00 2001 -From: Robert Love <rlove@google.com> -Date: Mon, 12 May 2008 17:08:29 -0400 -Subject: [PATCH 081/134] net: socket ioctl to reset connections matching local address - -Introduce a new socket ioctl, SIOCKILLADDR, that nukes all sockets -bound to the same local address. This is useful in situations with -dynamic IPs, to kill stuck connections. - -Signed-off-by: Brian Swetland <swetland@google.com> - -net: fix tcp_v4_nuke_addr - -Signed-off-by: Dima Zavin <dima@android.com> ---- - include/linux/sockios.h | 1 + - include/net/tcp.h | 2 ++ - net/ipv4/af_inet.c | 1 + - net/ipv4/devinet.c | 9 ++++++++- - net/ipv4/tcp_ipv4.c | 31 +++++++++++++++++++++++++++++++ - 5 files changed, 43 insertions(+), 1 deletions(-) - ---- a/include/linux/sockios.h -+++ b/include/linux/sockios.h -@@ -65,6 +65,7 @@ - #define SIOCDIFADDR 0x8936 /* delete PA address */ - #define SIOCSIFHWBROADCAST 0x8937 /* set hardware broadcast addr */ - #define SIOCGIFCOUNT 0x8938 /* get number of devices */ -+#define SIOCKILLADDR 0x8939 /* kill sockets with this local addr */ - - #define SIOCGIFBR 0x8940 /* Bridging support */ - #define SIOCSIFBR 0x8941 /* Set bridging options */ ---- a/include/net/tcp.h -+++ b/include/net/tcp.h -@@ -1381,6 +1381,8 @@ extern struct sk_buff **tcp4_gro_receive - extern int tcp_gro_complete(struct sk_buff *skb); - extern int tcp4_gro_complete(struct sk_buff *skb); - -+extern void tcp_v4_nuke_addr(__u32 saddr); -+ - #ifdef CONFIG_PROC_FS - extern int tcp4_proc_init(void); - extern void tcp4_proc_exit(void); ---- a/net/ipv4/af_inet.c -+++ b/net/ipv4/af_inet.c -@@ -825,6 +825,7 @@ int inet_ioctl(struct socket *sock, unsi - case SIOCSIFPFLAGS: - case SIOCGIFPFLAGS: - case SIOCSIFFLAGS: -+ case SIOCKILLADDR: - err = devinet_ioctl(net, cmd, (void __user *)arg); - break; - default: ---- a/net/ipv4/devinet.c -+++ b/net/ipv4/devinet.c -@@ -57,6 +57,7 @@ - - #include <net/arp.h> - #include <net/ip.h> -+#include <net/tcp.h> - #include <net/route.h> - #include <net/ip_fib.h> - #include <net/rtnetlink.h> -@@ -631,6 +632,7 @@ int devinet_ioctl(struct net *net, unsig - case SIOCSIFBRDADDR: /* Set the broadcast address */ - case SIOCSIFDSTADDR: /* Set the destination address */ - case SIOCSIFNETMASK: /* Set the netmask for the interface */ -+ case SIOCKILLADDR: /* Nuke all sockets on this address */ - ret = -EACCES; - if (!capable(CAP_NET_ADMIN)) - goto out; -@@ -680,7 +682,8 @@ int devinet_ioctl(struct net *net, unsig - } - - ret = -EADDRNOTAVAIL; -- if (!ifa && cmd != SIOCSIFADDR && cmd != SIOCSIFFLAGS) -+ if (!ifa && cmd != SIOCSIFADDR && cmd != SIOCSIFFLAGS -+ && cmd != SIOCKILLADDR) - goto done; - - switch (cmd) { -@@ -804,6 +807,10 @@ int devinet_ioctl(struct net *net, unsig - inet_insert_ifa(ifa); - } - break; -+ case SIOCKILLADDR: /* Nuke all connections on this address */ -+ ret = 0; -+ tcp_v4_nuke_addr(sin->sin_addr.s_addr); -+ break; - } - done: - rtnl_unlock(); ---- a/net/ipv4/tcp_ipv4.c -+++ b/net/ipv4/tcp_ipv4.c -@@ -1845,6 +1845,37 @@ void tcp_v4_destroy_sock(struct sock *sk - - EXPORT_SYMBOL(tcp_v4_destroy_sock); - -+/* -+ * tcp_v4_nuke_addr - destroy all sockets on the given local address -+ */ -+void tcp_v4_nuke_addr(__u32 saddr) -+{ -+ unsigned int bucket; -+ -+ for (bucket = 0; bucket < tcp_hashinfo.ehash_size; bucket++) { -+ struct hlist_nulls_node *node; -+ struct sock *sk; -+ spinlock_t *lock = inet_ehash_lockp(&tcp_hashinfo, bucket); -+ -+ spin_lock_bh(lock); -+ sk_nulls_for_each(sk, node, &tcp_hashinfo.ehash[bucket].chain) { -+ struct inet_sock *inet = inet_sk(sk); -+ -+ if (inet->rcv_saddr != saddr) -+ continue; -+ if (sysctl_ip_dynaddr && sk->sk_state == TCP_SYN_SENT) -+ continue; -+ if (sock_flag(sk, SOCK_DEAD)) -+ continue; -+ -+ sk->sk_err = ETIMEDOUT; -+ sk->sk_error_report(sk); -+ tcp_done(sk); -+ } -+ spin_unlock_bh(lock); -+ } -+} -+ - #ifdef CONFIG_PROC_FS - /* Proc filesystem TCP sock list dumping. */ - diff --git a/target/linux/goldfish/patches-2.6.30/0082-sysfs_net_ipv4-Add-sysfs-based-knobs-for-controllin.patch b/target/linux/goldfish/patches-2.6.30/0082-sysfs_net_ipv4-Add-sysfs-based-knobs-for-controllin.patch deleted file mode 100644 index f1fce089c6..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0082-sysfs_net_ipv4-Add-sysfs-based-knobs-for-controllin.patch +++ /dev/null @@ -1,128 +0,0 @@ -From 75090d40ffbd9b4863238e1d62b43f8598da5e5e Mon Sep 17 00:00:00 2001 -From: Robert Love <rlove@google.com> -Date: Thu, 31 Jul 2008 11:12:44 -0400 -Subject: [PATCH 082/134] sysfs_net_ipv4: Add sysfs-based knobs for controlling TCP window size - -Add a family of knobs to /sys/kernel/ipv4 for controlling the TCP window size: - - tcp_wmem_min - tcp_wmem_def - tcp_wmem_max - tcp_rmem_min - tcp_rmem_def - tcp_rmem_max - -This six values mirror the sysctl knobs in /proc/sys/net/ipv4/tcp_wmem and -/proc/sys/net/ipv4/tcp_rmem. - -Sysfs, unlike sysctl, allows us to set and manage the files' permissions and -owners. - -Signed-off-by: Robert Love <rlove@google.com> ---- - net/ipv4/Makefile | 1 + - net/ipv4/sysfs_net_ipv4.c | 88 +++++++++++++++++++++++++++++++++++++++++++++ - 2 files changed, 89 insertions(+), 0 deletions(-) - create mode 100644 net/ipv4/sysfs_net_ipv4.c - ---- a/net/ipv4/Makefile -+++ b/net/ipv4/Makefile -@@ -14,6 +14,7 @@ obj-y := route.o inetpeer.o protocol - inet_fragment.o - - obj-$(CONFIG_SYSCTL) += sysctl_net_ipv4.o -+obj-$(CONFIG_SYSFS) += sysfs_net_ipv4.o - obj-$(CONFIG_IP_FIB_HASH) += fib_hash.o - obj-$(CONFIG_IP_FIB_TRIE) += fib_trie.o - obj-$(CONFIG_PROC_FS) += proc.o ---- /dev/null -+++ b/net/ipv4/sysfs_net_ipv4.c -@@ -0,0 +1,88 @@ -+/* -+ * net/ipv4/sysfs_net_ipv4.c -+ * -+ * sysfs-based networking knobs (so we can, unlike with sysctl, control perms) -+ * -+ * Copyright (C) 2008 Google, Inc. -+ * -+ * Robert Love <rlove@google.com> -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ */ -+ -+#include <linux/kobject.h> -+#include <linux/string.h> -+#include <linux/sysfs.h> -+#include <linux/init.h> -+#include <net/tcp.h> -+ -+#define CREATE_IPV4_FILE(_name, _var) \ -+static ssize_t _name##_show(struct kobject *kobj, \ -+ struct kobj_attribute *attr, char *buf) \ -+{ \ -+ return sprintf(buf, "%d\n", _var); \ -+} \ -+static ssize_t _name##_store(struct kobject *kobj, \ -+ struct kobj_attribute *attr, \ -+ const char *buf, size_t count) \ -+{ \ -+ int val, ret; \ -+ ret = sscanf(buf, "%d", &val); \ -+ if (ret != 1) \ -+ return -EINVAL; \ -+ if (val < 0) \ -+ return -EINVAL; \ -+ _var = val; \ -+ return count; \ -+} \ -+static struct kobj_attribute _name##_attr = \ -+ __ATTR(_name, 0644, _name##_show, _name##_store) -+ -+CREATE_IPV4_FILE(tcp_wmem_min, sysctl_tcp_wmem[0]); -+CREATE_IPV4_FILE(tcp_wmem_def, sysctl_tcp_wmem[1]); -+CREATE_IPV4_FILE(tcp_wmem_max, sysctl_tcp_wmem[2]); -+ -+CREATE_IPV4_FILE(tcp_rmem_min, sysctl_tcp_rmem[0]); -+CREATE_IPV4_FILE(tcp_rmem_def, sysctl_tcp_rmem[1]); -+CREATE_IPV4_FILE(tcp_rmem_max, sysctl_tcp_rmem[2]); -+ -+static struct attribute *ipv4_attrs[] = { -+ &tcp_wmem_min_attr.attr, -+ &tcp_wmem_def_attr.attr, -+ &tcp_wmem_max_attr.attr, -+ &tcp_rmem_min_attr.attr, -+ &tcp_rmem_def_attr.attr, -+ &tcp_rmem_max_attr.attr, -+ NULL -+}; -+ -+static struct attribute_group ipv4_attr_group = { -+ .attrs = ipv4_attrs, -+}; -+ -+static __init int sysfs_ipv4_init(void) -+{ -+ struct kobject *ipv4_kobject; -+ int ret; -+ -+ ipv4_kobject = kobject_create_and_add("ipv4", kernel_kobj); -+ if (!ipv4_kobject) -+ return -ENOMEM; -+ -+ ret = sysfs_create_group(ipv4_kobject, &ipv4_attr_group); -+ if (ret) { -+ kobject_put(ipv4_kobject); -+ return ret; -+ } -+ -+ return 0; -+} -+ -+subsys_initcall(sysfs_ipv4_init); diff --git a/target/linux/goldfish/patches-2.6.30/0086-Input-Generic-GPIO-Input-device.patch b/target/linux/goldfish/patches-2.6.30/0086-Input-Generic-GPIO-Input-device.patch deleted file mode 100644 index 1025633802..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0086-Input-Generic-GPIO-Input-device.patch +++ /dev/null @@ -1,1460 +0,0 @@ -From 6730377482c05a1742abb92f1463701f5d084a27 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Wed, 15 Oct 2008 18:23:47 -0700 -Subject: [PATCH 086/134] Input: Generic GPIO Input device. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Supports keyboard matrixces, direct inputs, direct outputs and axes connected to gpios. - -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> -Signed-off-by: Nick Pelly <npelly@google.com> ---- - drivers/input/misc/Kconfig | 5 + - drivers/input/misc/Makefile | 1 + - drivers/input/misc/gpio_axis.c | 180 +++++++++++++++++ - drivers/input/misc/gpio_event.c | 224 +++++++++++++++++++++ - drivers/input/misc/gpio_input.c | 343 ++++++++++++++++++++++++++++++++ - drivers/input/misc/gpio_matrix.c | 406 ++++++++++++++++++++++++++++++++++++++ - drivers/input/misc/gpio_output.c | 84 ++++++++ - include/linux/gpio_event.h | 154 ++++++++++++++ - 8 files changed, 1397 insertions(+), 0 deletions(-) - create mode 100644 drivers/input/misc/gpio_axis.c - create mode 100644 drivers/input/misc/gpio_event.c - create mode 100644 drivers/input/misc/gpio_input.c - create mode 100644 drivers/input/misc/gpio_matrix.c - create mode 100644 drivers/input/misc/gpio_output.c - create mode 100644 include/linux/gpio_event.h - ---- a/drivers/input/misc/Kconfig -+++ b/drivers/input/misc/Kconfig -@@ -212,6 +212,11 @@ config INPUT_SGI_BTNS - To compile this driver as a module, choose M here: the - module will be called sgi_btns. - -+config INPUT_GPIO -+ tristate "GPIO driver support" -+ help -+ Say Y here if you want to support gpio based keys, wheels etc... -+ - config HP_SDC_RTC - tristate "HP SDC Real Time Clock" - depends on (GSC || HP300) && SERIO ---- a/drivers/input/misc/Makefile -+++ b/drivers/input/misc/Makefile -@@ -25,3 +25,5 @@ obj-$(CONFIG_INPUT_UINPUT) += uinput.o - obj-$(CONFIG_INPUT_WISTRON_BTNS) += wistron_btns.o - obj-$(CONFIG_INPUT_YEALINK) += yealink.o - obj-$(CONFIG_INPUT_GPIO_BUTTONS) += gpio_buttons.o -+obj-$(CONFIG_INPUT_GPIO) += gpio_event.o gpio_matrix.o gpio_input.o gpio_output.o gpio_axis.o -+ ---- /dev/null -+++ b/drivers/input/misc/gpio_axis.c -@@ -0,0 +1,180 @@ -+/* drivers/input/misc/gpio_axis.c -+ * -+ * Copyright (C) 2007 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/gpio.h> -+#include <linux/gpio_event.h> -+#include <linux/interrupt.h> -+ -+struct gpio_axis_state { -+ struct input_dev *input_dev; -+ struct gpio_event_axis_info *info; -+ uint32_t pos; -+}; -+ -+uint16_t gpio_axis_4bit_gray_map_table[] = { -+ [0x0] = 0x0, [0x1] = 0x1, /* 0000 0001 */ -+ [0x3] = 0x2, [0x2] = 0x3, /* 0011 0010 */ -+ [0x6] = 0x4, [0x7] = 0x5, /* 0110 0111 */ -+ [0x5] = 0x6, [0x4] = 0x7, /* 0101 0100 */ -+ [0xc] = 0x8, [0xd] = 0x9, /* 1100 1101 */ -+ [0xf] = 0xa, [0xe] = 0xb, /* 1111 1110 */ -+ [0xa] = 0xc, [0xb] = 0xd, /* 1010 1011 */ -+ [0x9] = 0xe, [0x8] = 0xf, /* 1001 1000 */ -+}; -+uint16_t gpio_axis_4bit_gray_map(struct gpio_event_axis_info *info, uint16_t in) -+{ -+ return gpio_axis_4bit_gray_map_table[in]; -+} -+ -+uint16_t gpio_axis_5bit_singletrack_map_table[] = { -+ [0x10] = 0x00, [0x14] = 0x01, [0x1c] = 0x02, /* 10000 10100 11100 */ -+ [0x1e] = 0x03, [0x1a] = 0x04, [0x18] = 0x05, /* 11110 11010 11000 */ -+ [0x08] = 0x06, [0x0a] = 0x07, [0x0e] = 0x08, /* 01000 01010 01110 */ -+ [0x0f] = 0x09, [0x0d] = 0x0a, [0x0c] = 0x0b, /* 01111 01101 01100 */ -+ [0x04] = 0x0c, [0x05] = 0x0d, [0x07] = 0x0e, /* 00100 00101 00111 */ -+ [0x17] = 0x0f, [0x16] = 0x10, [0x06] = 0x11, /* 10111 10110 00110 */ -+ [0x02] = 0x12, [0x12] = 0x13, [0x13] = 0x14, /* 00010 10010 10011 */ -+ [0x1b] = 0x15, [0x0b] = 0x16, [0x03] = 0x17, /* 11011 01011 00011 */ -+ [0x01] = 0x18, [0x09] = 0x19, [0x19] = 0x1a, /* 00001 01001 11001 */ -+ [0x1d] = 0x1b, [0x15] = 0x1c, [0x11] = 0x1d, /* 11101 10101 10001 */ -+}; -+uint16_t gpio_axis_5bit_singletrack_map( -+ struct gpio_event_axis_info *info, uint16_t in) -+{ -+ return gpio_axis_5bit_singletrack_map_table[in]; -+} -+ -+static void gpio_event_update_axis(struct gpio_axis_state *as, int report) -+{ -+ struct gpio_event_axis_info *ai = as->info; -+ int i; -+ int change; -+ uint16_t state = 0; -+ uint16_t pos; -+ uint16_t old_pos = as->pos; -+ for (i = ai->count - 1; i >= 0; i--) -+ state = (state << 1) | gpio_get_value(ai->gpio[i]); -+ pos = ai->map(ai, state); -+ if (ai->flags & GPIOEAF_PRINT_RAW) -+ pr_info("axis %d-%d raw %x, pos %d -> %d\n", -+ ai->type, ai->code, state, old_pos, pos); -+ if (report && pos != old_pos) { -+ if (ai->type == EV_REL) { -+ change = (ai->decoded_size + pos - old_pos) % -+ ai->decoded_size; -+ if (change > ai->decoded_size / 2) -+ change -= ai->decoded_size; -+ if (change == ai->decoded_size / 2) { -+ if (ai->flags & GPIOEAF_PRINT_EVENT) -+ pr_info("axis %d-%d unknown direction, " -+ "pos %d -> %d\n", ai->type, -+ ai->code, old_pos, pos); -+ change = 0; /* no closest direction */ -+ } -+ if (ai->flags & GPIOEAF_PRINT_EVENT) -+ pr_info("axis %d-%d change %d\n", -+ ai->type, ai->code, change); -+ input_report_rel(as->input_dev, ai->code, change); -+ } else { -+ if (ai->flags & GPIOEAF_PRINT_EVENT) -+ pr_info("axis %d-%d now %d\n", -+ ai->type, ai->code, pos); -+ input_event(as->input_dev, ai->type, ai->code, pos); -+ } -+ input_sync(as->input_dev); -+ } -+ as->pos = pos; -+} -+ -+static irqreturn_t gpio_axis_irq_handler(int irq, void *dev_id) -+{ -+ struct gpio_axis_state *as = dev_id; -+ gpio_event_update_axis(as, 1); -+ return IRQ_HANDLED; -+} -+ -+int gpio_event_axis_func(struct input_dev *input_dev, -+ struct gpio_event_info *info, void **data, int func) -+{ -+ int ret; -+ int i; -+ int irq; -+ struct gpio_event_axis_info *ai; -+ struct gpio_axis_state *as; -+ -+ ai = container_of(info, struct gpio_event_axis_info, info); -+ if (func == GPIO_EVENT_FUNC_SUSPEND) { -+ for (i = 0; i < ai->count; i++) -+ disable_irq(gpio_to_irq(ai->gpio[i])); -+ return 0; -+ } -+ if (func == GPIO_EVENT_FUNC_RESUME) { -+ for (i = 0; i < ai->count; i++) -+ enable_irq(gpio_to_irq(ai->gpio[i])); -+ return 0; -+ } -+ -+ if (func == GPIO_EVENT_FUNC_INIT) { -+ *data = as = kmalloc(sizeof(*as), GFP_KERNEL); -+ if (as == NULL) { -+ ret = -ENOMEM; -+ goto err_alloc_axis_state_failed; -+ } -+ as->input_dev = input_dev; -+ as->info = ai; -+ -+ input_set_capability(input_dev, ai->type, ai->code); -+ if (ai->type == EV_ABS) { -+ input_set_abs_params(input_dev, ai->code, 0, -+ ai->decoded_size - 1, 0, 0); -+ } -+ for (i = 0; i < ai->count; i++) { -+ ret = gpio_request(ai->gpio[i], "gpio_event_axis"); -+ if (ret < 0) -+ goto err_request_gpio_failed; -+ ret = gpio_direction_input(ai->gpio[i]); -+ if (ret < 0) -+ goto err_gpio_direction_input_failed; -+ ret = irq = gpio_to_irq(ai->gpio[i]); -+ if (ret < 0) -+ goto err_get_irq_num_failed; -+ ret = request_irq(irq, gpio_axis_irq_handler, -+ IRQF_TRIGGER_RISING | -+ IRQF_TRIGGER_FALLING, -+ "gpio_event_axis", as); -+ if (ret < 0) -+ goto err_request_irq_failed; -+ } -+ gpio_event_update_axis(as, 0); -+ return 0; -+ } -+ -+ ret = 0; -+ as = *data; -+ for (i = ai->count - 1; i >= 0; i--) { -+ free_irq(gpio_to_irq(ai->gpio[i]), as); -+err_request_irq_failed: -+err_get_irq_num_failed: -+err_gpio_direction_input_failed: -+ gpio_free(ai->gpio[i]); -+err_request_gpio_failed: -+ ; -+ } -+ kfree(as); -+ *data = NULL; -+err_alloc_axis_state_failed: -+ return ret; -+} ---- /dev/null -+++ b/drivers/input/misc/gpio_event.c -@@ -0,0 +1,224 @@ -+/* drivers/input/misc/gpio_event.c -+ * -+ * Copyright (C) 2007 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/earlysuspend.h> -+#include <linux/module.h> -+#include <linux/input.h> -+#include <linux/gpio_event.h> -+#include <linux/hrtimer.h> -+#include <linux/platform_device.h> -+ -+struct gpio_event { -+ struct input_dev *input_dev; -+ const struct gpio_event_platform_data *info; -+ struct early_suspend early_suspend; -+ void *state[0]; -+}; -+ -+static int gpio_input_event( -+ struct input_dev *dev, unsigned int type, unsigned int code, int value) -+{ -+ int i; -+ int ret = 0; -+ int tmp_ret; -+ struct gpio_event_info **ii; -+ struct gpio_event *ip = input_get_drvdata(dev); -+ -+ for (i = 0, ii = ip->info->info; i < ip->info->info_count; i++, ii++) { -+ if ((*ii)->event) { -+ tmp_ret = (*ii)->event(ip->input_dev, *ii, -+ &ip->state[i], type, code, value); -+ if (tmp_ret) -+ ret = tmp_ret; -+ } -+ } -+ return ret; -+} -+ -+static int gpio_event_call_all_func(struct gpio_event *ip, int func) -+{ -+ int i; -+ int ret; -+ struct gpio_event_info **ii; -+ -+ if (func == GPIO_EVENT_FUNC_INIT || func == GPIO_EVENT_FUNC_RESUME) { -+ ii = ip->info->info; -+ for (i = 0; i < ip->info->info_count; i++, ii++) { -+ if ((*ii)->func == NULL) { -+ ret = -ENODEV; -+ pr_err("gpio_event_probe: Incomplete pdata, " -+ "no function\n"); -+ goto err_no_func; -+ } -+ ret = (*ii)->func(ip->input_dev, *ii, &ip->state[i], -+ func); -+ if (ret) { -+ pr_err("gpio_event_probe: function failed\n"); -+ goto err_func_failed; -+ } -+ } -+ return 0; -+ } -+ -+ ret = 0; -+ i = ip->info->info_count; -+ ii = ip->info->info + i; -+ while (i > 0) { -+ i--; -+ ii--; -+ (*ii)->func(ip->input_dev, *ii, &ip->state[i], func & ~1); -+err_func_failed: -+err_no_func: -+ ; -+ } -+ return ret; -+} -+ -+#ifdef CONFIG_HAS_EARLYSUSPEND -+void gpio_event_suspend(struct early_suspend *h) -+{ -+ struct gpio_event *ip; -+ ip = container_of(h, struct gpio_event, early_suspend); -+ gpio_event_call_all_func(ip, GPIO_EVENT_FUNC_SUSPEND); -+ ip->info->power(ip->info, 0); -+} -+ -+void gpio_event_resume(struct early_suspend *h) -+{ -+ struct gpio_event *ip; -+ ip = container_of(h, struct gpio_event, early_suspend); -+ ip->info->power(ip->info, 1); -+ gpio_event_call_all_func(ip, GPIO_EVENT_FUNC_RESUME); -+} -+#endif -+ -+static int __init gpio_event_probe(struct platform_device *pdev) -+{ -+ int err; -+ struct gpio_event *ip; -+ struct input_dev *input_dev; -+ struct gpio_event_platform_data *event_info; -+ -+ event_info = pdev->dev.platform_data; -+ if (event_info == NULL) { -+ pr_err("gpio_event_probe: No pdata\n"); -+ return -ENODEV; -+ } -+ if (event_info->name == NULL || -+ event_info->info == NULL || -+ event_info->info_count == 0) { -+ pr_err("gpio_event_probe: Incomplete pdata\n"); -+ return -ENODEV; -+ } -+ ip = kzalloc(sizeof(*ip) + -+ sizeof(ip->state[0]) * event_info->info_count, GFP_KERNEL); -+ if (ip == NULL) { -+ err = -ENOMEM; -+ pr_err("gpio_event_probe: Failed to allocate private data\n"); -+ goto err_kp_alloc_failed; -+ } -+ platform_set_drvdata(pdev, ip); -+ -+ input_dev = input_allocate_device(); -+ if (input_dev == NULL) { -+ err = -ENOMEM; -+ pr_err("gpio_event_probe: Failed to allocate input device\n"); -+ goto err_input_dev_alloc_failed; -+ } -+ input_set_drvdata(input_dev, ip); -+ ip->input_dev = input_dev; -+ ip->info = event_info; -+ if (event_info->power) { -+#ifdef CONFIG_HAS_EARLYSUSPEND -+ ip->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1; -+ ip->early_suspend.suspend = gpio_event_suspend; -+ ip->early_suspend.resume = gpio_event_resume; -+ register_early_suspend(&ip->early_suspend); -+#endif -+ ip->info->power(ip->info, 1); -+ } -+ -+ input_dev->name = ip->info->name; -+ input_dev->event = gpio_input_event; -+ -+ err = gpio_event_call_all_func(ip, GPIO_EVENT_FUNC_INIT); -+ if (err) -+ goto err_call_all_func_failed; -+ -+ err = input_register_device(input_dev); -+ if (err) { -+ pr_err("gpio_event_probe: Unable to register %s input device\n", -+ input_dev->name); -+ goto err_input_register_device_failed; -+ } -+ -+ return 0; -+ -+err_input_register_device_failed: -+ gpio_event_call_all_func(ip, GPIO_EVENT_FUNC_UNINIT); -+err_call_all_func_failed: -+ if (event_info->power) { -+#ifdef CONFIG_HAS_EARLYSUSPEND -+ unregister_early_suspend(&ip->early_suspend); -+#endif -+ ip->info->power(ip->info, 0); -+ } -+ input_free_device(input_dev); -+err_input_dev_alloc_failed: -+ kfree(ip); -+err_kp_alloc_failed: -+ return err; -+} -+ -+static int gpio_event_remove(struct platform_device *pdev) -+{ -+ struct gpio_event *ip = platform_get_drvdata(pdev); -+ -+ gpio_event_call_all_func(ip, GPIO_EVENT_FUNC_UNINIT); -+ if (ip->info->power) { -+#ifdef CONFIG_HAS_EARLYSUSPEND -+ unregister_early_suspend(&ip->early_suspend); -+#endif -+ ip->info->power(ip->info, 0); -+ } -+ input_unregister_device(ip->input_dev); -+ kfree(ip); -+ return 0; -+} -+ -+static struct platform_driver gpio_event_driver = { -+ .probe = gpio_event_probe, -+ .remove = gpio_event_remove, -+ .driver = { -+ .name = GPIO_EVENT_DEV_NAME, -+ }, -+}; -+ -+static int __devinit gpio_event_init(void) -+{ -+ return platform_driver_register(&gpio_event_driver); -+} -+ -+static void __exit gpio_event_exit(void) -+{ -+ platform_driver_unregister(&gpio_event_driver); -+} -+ -+module_init(gpio_event_init); -+module_exit(gpio_event_exit); -+ -+MODULE_DESCRIPTION("GPIO Event Driver"); -+MODULE_LICENSE("GPL"); -+ ---- /dev/null -+++ b/drivers/input/misc/gpio_input.c -@@ -0,0 +1,343 @@ -+/* drivers/input/misc/gpio_input.c -+ * -+ * Copyright (C) 2007 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/gpio.h> -+#include <linux/gpio_event.h> -+#include <linux/hrtimer.h> -+#include <linux/input.h> -+#include <linux/interrupt.h> -+#include <linux/wakelock.h> -+ -+enum { -+ DEBOUNCE_UNSTABLE = BIT(0), /* Got irq, while debouncing */ -+ DEBOUNCE_PRESSED = BIT(1), -+ DEBOUNCE_NOTPRESSED = BIT(2), -+ DEBOUNCE_WAIT_IRQ = BIT(3), /* Stable irq state */ -+ DEBOUNCE_POLL = BIT(4), /* Stable polling state */ -+ -+ DEBOUNCE_UNKNOWN = -+ DEBOUNCE_PRESSED | DEBOUNCE_NOTPRESSED, -+}; -+ -+struct gpio_key_state { -+ struct gpio_input_state *ds; -+ uint8_t debounce; -+}; -+ -+struct gpio_input_state { -+ struct input_dev *input_dev; -+ const struct gpio_event_input_info *info; -+ struct hrtimer timer; -+ int use_irq; -+ int debounce_count; -+ spinlock_t irq_lock; -+ struct wake_lock wake_lock; -+ struct gpio_key_state key_state[0]; -+}; -+ -+static enum hrtimer_restart gpio_event_input_timer_func(struct hrtimer *timer) -+{ -+ int i; -+ int pressed; -+ struct gpio_input_state *ds = -+ container_of(timer, struct gpio_input_state, timer); -+ unsigned gpio_flags = ds->info->flags; -+ unsigned npolarity; -+ int nkeys = ds->info->keymap_size; -+ const struct gpio_event_direct_entry *key_entry; -+ struct gpio_key_state *key_state; -+ unsigned long irqflags; -+ uint8_t debounce; -+ -+#if 0 -+ key_entry = kp->keys_info->keymap; -+ key_state = kp->key_state; -+ for (i = 0; i < nkeys; i++, key_entry++, key_state++) -+ pr_info("gpio_read_detect_status %d %d\n", key_entry->gpio, -+ gpio_read_detect_status(key_entry->gpio)); -+#endif -+ key_entry = ds->info->keymap; -+ key_state = ds->key_state; -+ spin_lock_irqsave(&ds->irq_lock, irqflags); -+ for (i = 0; i < nkeys; i++, key_entry++, key_state++) { -+ debounce = key_state->debounce; -+ if (debounce & DEBOUNCE_WAIT_IRQ) -+ continue; -+ if (key_state->debounce & DEBOUNCE_UNSTABLE) { -+ debounce = key_state->debounce = DEBOUNCE_UNKNOWN; -+ enable_irq(gpio_to_irq(key_entry->gpio)); -+ pr_info("gpio_keys_scan_keys: key %x-%x, %d " -+ "(%d) continue debounce\n", -+ ds->info->type, key_entry->code, -+ i, key_entry->gpio); -+ } -+ npolarity = !(gpio_flags & GPIOEDF_ACTIVE_HIGH); -+ pressed = gpio_get_value(key_entry->gpio) ^ npolarity; -+ if (debounce & DEBOUNCE_POLL) { -+ if (pressed == !(debounce & DEBOUNCE_PRESSED)) { -+ ds->debounce_count++; -+ key_state->debounce = DEBOUNCE_UNKNOWN; -+ if (gpio_flags & GPIOEDF_PRINT_KEY_DEBOUNCE) -+ pr_info("gpio_keys_scan_keys: key %x-" -+ "%x, %d (%d) start debounce\n", -+ ds->info->type, key_entry->code, -+ i, key_entry->gpio); -+ } -+ continue; -+ } -+ if (pressed && (debounce & DEBOUNCE_NOTPRESSED)) { -+ if (gpio_flags & GPIOEDF_PRINT_KEY_DEBOUNCE) -+ pr_info("gpio_keys_scan_keys: key %x-%x, %d " -+ "(%d) debounce pressed 1\n", -+ ds->info->type, key_entry->code, -+ i, key_entry->gpio); -+ key_state->debounce = DEBOUNCE_PRESSED; -+ continue; -+ } -+ if (!pressed && (debounce & DEBOUNCE_PRESSED)) { -+ if (gpio_flags & GPIOEDF_PRINT_KEY_DEBOUNCE) -+ pr_info("gpio_keys_scan_keys: key %x-%x, %d " -+ "(%d) debounce pressed 0\n", -+ ds->info->type, key_entry->code, -+ i, key_entry->gpio); -+ key_state->debounce = DEBOUNCE_NOTPRESSED; -+ continue; -+ } -+ /* key is stable */ -+ ds->debounce_count--; -+ if (ds->use_irq) -+ key_state->debounce |= DEBOUNCE_WAIT_IRQ; -+ else -+ key_state->debounce |= DEBOUNCE_POLL; -+ if (gpio_flags & GPIOEDF_PRINT_KEYS) -+ pr_info("gpio_keys_scan_keys: key %x-%x, %d (%d) " -+ "changed to %d\n", ds->info->type, -+ key_entry->code, i, key_entry->gpio, pressed); -+ input_event(ds->input_dev, ds->info->type, -+ key_entry->code, pressed); -+ } -+ -+#if 0 -+ key_entry = kp->keys_info->keymap; -+ key_state = kp->key_state; -+ for (i = 0; i < nkeys; i++, key_entry++, key_state++) { -+ pr_info("gpio_read_detect_status %d %d\n", key_entry->gpio, -+ gpio_read_detect_status(key_entry->gpio)); -+ } -+#endif -+ -+ if (ds->debounce_count) -+ hrtimer_start(timer, ds->info->debounce_time, HRTIMER_MODE_REL); -+ else if (!ds->use_irq) -+ hrtimer_start(timer, ds->info->poll_time, HRTIMER_MODE_REL); -+ else -+ wake_unlock(&ds->wake_lock); -+ -+ spin_unlock_irqrestore(&ds->irq_lock, irqflags); -+ -+ return HRTIMER_NORESTART; -+} -+ -+static irqreturn_t gpio_event_input_irq_handler(int irq, void *dev_id) -+{ -+ struct gpio_key_state *ks = dev_id; -+ struct gpio_input_state *ds = ks->ds; -+ int keymap_index = ks - ds->key_state; -+ const struct gpio_event_direct_entry *key_entry; -+ unsigned long irqflags; -+ int pressed; -+ -+ if (!ds->use_irq) -+ return IRQ_HANDLED; -+ -+ key_entry = &ds->info->keymap[keymap_index]; -+ -+ if (ds->info->debounce_time.tv64) { -+ spin_lock_irqsave(&ds->irq_lock, irqflags); -+ if (ks->debounce & DEBOUNCE_WAIT_IRQ) { -+ ks->debounce = DEBOUNCE_UNKNOWN; -+ if (ds->debounce_count++ == 0) { -+ wake_lock(&ds->wake_lock); -+ hrtimer_start( -+ &ds->timer, ds->info->debounce_time, -+ HRTIMER_MODE_REL); -+ } -+ if (ds->info->flags & GPIOEDF_PRINT_KEY_DEBOUNCE) -+ pr_info("gpio_event_input_irq_handler: " -+ "key %x-%x, %d (%d) start debounce\n", -+ ds->info->type, key_entry->code, -+ keymap_index, key_entry->gpio); -+ } else { -+ disable_irq(irq); -+ ks->debounce = DEBOUNCE_UNSTABLE; -+ } -+ spin_unlock_irqrestore(&ds->irq_lock, irqflags); -+ } else { -+ pressed = gpio_get_value(key_entry->gpio) ^ -+ !(ds->info->flags & GPIOEDF_ACTIVE_HIGH); -+ if (ds->info->flags & GPIOEDF_PRINT_KEYS) -+ pr_info("gpio_event_input_irq_handler: key %x-%x, %d " -+ "(%d) changed to %d\n", -+ ds->info->type, key_entry->code, keymap_index, -+ key_entry->gpio, pressed); -+ input_event(ds->input_dev, ds->info->type, -+ key_entry->code, pressed); -+ } -+ return IRQ_HANDLED; -+} -+ -+static int gpio_event_input_request_irqs(struct gpio_input_state *ds) -+{ -+ int i; -+ int err; -+ unsigned int irq; -+ unsigned long req_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING; -+ -+ for (i = 0; i < ds->info->keymap_size; i++) { -+ err = irq = gpio_to_irq(ds->info->keymap[i].gpio); -+ if (err < 0) -+ goto err_gpio_get_irq_num_failed; -+ err = request_irq(irq, gpio_event_input_irq_handler, -+ req_flags, "gpio_keys", &ds->key_state[i]); -+ if (err) { -+ pr_err("gpio_event_input_request_irqs: request_irq " -+ "failed for input %d, irq %d\n", -+ ds->info->keymap[i].gpio, irq); -+ goto err_request_irq_failed; -+ } -+ enable_irq_wake(irq); -+ } -+ return 0; -+ -+ for (i = ds->info->keymap_size - 1; i >= 0; i--) { -+ free_irq(gpio_to_irq(ds->info->keymap[i].gpio), -+ &ds->key_state[i]); -+err_request_irq_failed: -+err_gpio_get_irq_num_failed: -+ ; -+ } -+ return err; -+} -+ -+int gpio_event_input_func(struct input_dev *input_dev, -+ struct gpio_event_info *info, void **data, int func) -+{ -+ int ret; -+ int i; -+ unsigned long irqflags; -+ struct gpio_event_input_info *di; -+ struct gpio_input_state *ds = *data; -+ -+ di = container_of(info, struct gpio_event_input_info, info); -+ -+ if (func == GPIO_EVENT_FUNC_SUSPEND) { -+ spin_lock_irqsave(&ds->irq_lock, irqflags); -+ if (ds->use_irq) -+ for (i = 0; i < di->keymap_size; i++) -+ disable_irq(gpio_to_irq(di->keymap[i].gpio)); -+ spin_unlock_irqrestore(&ds->irq_lock, irqflags); -+ hrtimer_cancel(&ds->timer); -+ return 0; -+ } -+ if (func == GPIO_EVENT_FUNC_RESUME) { -+ spin_lock_irqsave(&ds->irq_lock, irqflags); -+ if (ds->use_irq) -+ for (i = 0; i < di->keymap_size; i++) -+ enable_irq(gpio_to_irq(di->keymap[i].gpio)); -+ hrtimer_start(&ds->timer, ktime_set(0, 0), HRTIMER_MODE_REL); -+ spin_unlock_irqrestore(&ds->irq_lock, irqflags); -+ return 0; -+ } -+ -+ if (func == GPIO_EVENT_FUNC_INIT) { -+ if (ktime_to_ns(di->poll_time) <= 0) -+ di->poll_time = ktime_set(0, 20 * NSEC_PER_MSEC); -+ -+ *data = ds = kzalloc(sizeof(*ds) + sizeof(ds->key_state[0]) * -+ di->keymap_size, GFP_KERNEL); -+ if (ds == NULL) { -+ ret = -ENOMEM; -+ pr_err("gpio_event_input_func: " -+ "Failed to allocate private data\n"); -+ goto err_ds_alloc_failed; -+ } -+ ds->debounce_count = di->keymap_size; -+ ds->input_dev = input_dev; -+ ds->info = di; -+ wake_lock_init(&ds->wake_lock, WAKE_LOCK_SUSPEND, "gpio_input"); -+ spin_lock_init(&ds->irq_lock); -+ -+ for (i = 0; i < di->keymap_size; i++) { -+ input_set_capability(input_dev, di->type, -+ di->keymap[i].code); -+ ds->key_state[i].ds = ds; -+ ds->key_state[i].debounce = DEBOUNCE_UNKNOWN; -+ } -+ -+ for (i = 0; i < di->keymap_size; i++) { -+ ret = gpio_request(di->keymap[i].gpio, "gpio_kp_in"); -+ if (ret) { -+ pr_err("gpio_event_input_func: gpio_request " -+ "failed for %d\n", di->keymap[i].gpio); -+ goto err_gpio_request_failed; -+ } -+ ret = gpio_direction_input(di->keymap[i].gpio); -+ if (ret) { -+ pr_err("gpio_event_input_func: " -+ "gpio_direction_input failed for %d\n", -+ di->keymap[i].gpio); -+ goto err_gpio_configure_failed; -+ } -+ } -+ -+ ret = gpio_event_input_request_irqs(ds); -+ -+ spin_lock_irqsave(&ds->irq_lock, irqflags); -+ ds->use_irq = ret == 0; -+ -+ pr_info("GPIO Input Driver: Start gpio inputs for %s in %s " -+ "mode\n", -+ input_dev->name, ret == 0 ? "interrupt" : "polling"); -+ -+ hrtimer_init(&ds->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); -+ ds->timer.function = gpio_event_input_timer_func; -+ hrtimer_start(&ds->timer, ktime_set(0, 0), HRTIMER_MODE_REL); -+ spin_unlock_irqrestore(&ds->irq_lock, irqflags); -+ return 0; -+ } -+ -+ ret = 0; -+ spin_lock_irqsave(&ds->irq_lock, irqflags); -+ hrtimer_cancel(&ds->timer); -+ if (ds->use_irq) { -+ for (i = di->keymap_size - 1; i >= 0; i--) { -+ free_irq(gpio_to_irq(di->keymap[i].gpio), -+ &ds->key_state[i]); -+ } -+ } -+ spin_unlock_irqrestore(&ds->irq_lock, irqflags); -+ -+ for (i = di->keymap_size - 1; i >= 0; i--) { -+err_gpio_configure_failed: -+ gpio_free(di->keymap[i].gpio); -+err_gpio_request_failed: -+ ; -+ } -+ wake_lock_destroy(&ds->wake_lock); -+ kfree(ds); -+err_ds_alloc_failed: -+ return ret; -+} ---- /dev/null -+++ b/drivers/input/misc/gpio_matrix.c -@@ -0,0 +1,406 @@ -+/* drivers/input/misc/gpio_matrix.c -+ * -+ * Copyright (C) 2007 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/gpio.h> -+#include <linux/gpio_event.h> -+#include <linux/hrtimer.h> -+#include <linux/interrupt.h> -+#include <linux/wakelock.h> -+ -+struct gpio_kp { -+ struct input_dev *input_dev; -+ struct gpio_event_matrix_info *keypad_info; -+ struct hrtimer timer; -+ struct wake_lock wake_lock; -+ int current_output; -+ unsigned int use_irq:1; -+ unsigned int key_state_changed:1; -+ unsigned int last_key_state_changed:1; -+ unsigned int some_keys_pressed:2; -+ unsigned long keys_pressed[0]; -+}; -+ -+static void clear_phantom_key(struct gpio_kp *kp, int out, int in) -+{ -+ struct gpio_event_matrix_info *mi = kp->keypad_info; -+ int key_index = out * mi->ninputs + in; -+ unsigned short keycode = mi->keymap[key_index];; -+ -+ if (!test_bit(keycode, kp->input_dev->key)) { -+ if (mi->flags & GPIOKPF_PRINT_PHANTOM_KEYS) -+ pr_info("gpiomatrix: phantom key %x, %d-%d (%d-%d) " -+ "cleared\n", keycode, out, in, -+ mi->output_gpios[out], mi->input_gpios[in]); -+ __clear_bit(key_index, kp->keys_pressed); -+ } else { -+ if (mi->flags & GPIOKPF_PRINT_PHANTOM_KEYS) -+ pr_info("gpiomatrix: phantom key %x, %d-%d (%d-%d) " -+ "not cleared\n", keycode, out, in, -+ mi->output_gpios[out], mi->input_gpios[in]); -+ } -+} -+ -+static int restore_keys_for_input(struct gpio_kp *kp, int out, int in) -+{ -+ int rv = 0; -+ int key_index; -+ -+ key_index = out * kp->keypad_info->ninputs + in; -+ while (out < kp->keypad_info->noutputs) { -+ if (test_bit(key_index, kp->keys_pressed)) { -+ rv = 1; -+ clear_phantom_key(kp, out, in); -+ } -+ key_index += kp->keypad_info->ninputs; -+ out++; -+ } -+ return rv; -+} -+ -+static void remove_phantom_keys(struct gpio_kp *kp) -+{ -+ int out, in, inp; -+ int key_index; -+ -+ if (kp->some_keys_pressed < 3) -+ return; -+ -+ for (out = 0; out < kp->keypad_info->noutputs; out++) { -+ inp = -1; -+ key_index = out * kp->keypad_info->ninputs; -+ for (in = 0; in < kp->keypad_info->ninputs; in++, key_index++) { -+ if (test_bit(key_index, kp->keys_pressed)) { -+ if (inp == -1) { -+ inp = in; -+ continue; -+ } -+ if (inp >= 0) { -+ if (!restore_keys_for_input(kp, out + 1, -+ inp)) -+ break; -+ clear_phantom_key(kp, out, inp); -+ inp = -2; -+ } -+ restore_keys_for_input(kp, out, in); -+ } -+ } -+ } -+} -+ -+static void report_key(struct gpio_kp *kp, int key_index, int out, int in) -+{ -+ struct gpio_event_matrix_info *mi = kp->keypad_info; -+ int pressed = test_bit(key_index, kp->keys_pressed); -+ unsigned short keycode = mi->keymap[key_index]; -+ if (pressed != test_bit(keycode, kp->input_dev->key)) { -+ if (keycode == KEY_RESERVED) { -+ if (mi->flags & GPIOKPF_PRINT_UNMAPPED_KEYS) -+ pr_info("gpiomatrix: unmapped key, %d-%d " -+ "(%d-%d) changed to %d\n", -+ out, in, mi->output_gpios[out], -+ mi->input_gpios[in], pressed); -+ } else { -+ if (mi->flags & GPIOKPF_PRINT_MAPPED_KEYS) -+ pr_info("gpiomatrix: key %x, %d-%d (%d-%d) " -+ "changed to %d\n", keycode, -+ out, in, mi->output_gpios[out], -+ mi->input_gpios[in], pressed); -+ input_report_key(kp->input_dev, keycode, pressed); -+ } -+ } -+} -+ -+static enum hrtimer_restart gpio_keypad_timer_func(struct hrtimer *timer) -+{ -+ int out, in; -+ int key_index; -+ int gpio; -+ struct gpio_kp *kp = container_of(timer, struct gpio_kp, timer); -+ struct gpio_event_matrix_info *mi = kp->keypad_info; -+ unsigned gpio_keypad_flags = mi->flags; -+ unsigned polarity = !!(gpio_keypad_flags & GPIOKPF_ACTIVE_HIGH); -+ -+ out = kp->current_output; -+ if (out == mi->noutputs) { -+ out = 0; -+ kp->last_key_state_changed = kp->key_state_changed; -+ kp->key_state_changed = 0; -+ kp->some_keys_pressed = 0; -+ } else { -+ key_index = out * mi->ninputs; -+ for (in = 0; in < mi->ninputs; in++, key_index++) { -+ gpio = mi->input_gpios[in]; -+ if (gpio_get_value(gpio) ^ !polarity) { -+ if (kp->some_keys_pressed < 3) -+ kp->some_keys_pressed++; -+ kp->key_state_changed |= !__test_and_set_bit( -+ key_index, kp->keys_pressed); -+ } else -+ kp->key_state_changed |= __test_and_clear_bit( -+ key_index, kp->keys_pressed); -+ } -+ gpio = mi->output_gpios[out]; -+ if (gpio_keypad_flags & GPIOKPF_DRIVE_INACTIVE) -+ gpio_set_value(gpio, !polarity); -+ else -+ gpio_direction_input(gpio); -+ out++; -+ } -+ kp->current_output = out; -+ if (out < mi->noutputs) { -+ gpio = mi->output_gpios[out]; -+ if (gpio_keypad_flags & GPIOKPF_DRIVE_INACTIVE) -+ gpio_set_value(gpio, polarity); -+ else -+ gpio_direction_output(gpio, polarity); -+ hrtimer_start(timer, mi->settle_time, HRTIMER_MODE_REL); -+ return HRTIMER_NORESTART; -+ } -+ if (gpio_keypad_flags & GPIOKPF_DEBOUNCE) { -+ if (kp->key_state_changed) { -+ hrtimer_start(&kp->timer, mi->debounce_delay, -+ HRTIMER_MODE_REL); -+ return HRTIMER_NORESTART; -+ } -+ kp->key_state_changed = kp->last_key_state_changed; -+ } -+ if (kp->key_state_changed) { -+ if (gpio_keypad_flags & GPIOKPF_REMOVE_SOME_PHANTOM_KEYS) -+ remove_phantom_keys(kp); -+ key_index = 0; -+ for (out = 0; out < mi->noutputs; out++) -+ for (in = 0; in < mi->ninputs; in++, key_index++) -+ report_key(kp, key_index, out, in); -+ } -+ if (!kp->use_irq || kp->some_keys_pressed) { -+ hrtimer_start(timer, mi->poll_time, HRTIMER_MODE_REL); -+ return HRTIMER_NORESTART; -+ } -+ -+ /* No keys are pressed, reenable interrupt */ -+ for (out = 0; out < mi->noutputs; out++) { -+ if (gpio_keypad_flags & GPIOKPF_DRIVE_INACTIVE) -+ gpio_set_value(mi->output_gpios[out], polarity); -+ else -+ gpio_direction_output(mi->output_gpios[out], polarity); -+ } -+ for (in = 0; in < mi->ninputs; in++) -+ enable_irq(gpio_to_irq(mi->input_gpios[in])); -+ wake_unlock(&kp->wake_lock); -+ return HRTIMER_NORESTART; -+} -+ -+static irqreturn_t gpio_keypad_irq_handler(int irq_in, void *dev_id) -+{ -+ int i; -+ struct gpio_kp *kp = dev_id; -+ struct gpio_event_matrix_info *mi = kp->keypad_info; -+ unsigned gpio_keypad_flags = mi->flags; -+ -+ if (!kp->use_irq) /* ignore interrupt while registering the handler */ -+ return IRQ_HANDLED; -+ -+ for (i = 0; i < mi->ninputs; i++) -+ disable_irq(gpio_to_irq(mi->input_gpios[i])); -+ for (i = 0; i < mi->noutputs; i++) { -+ if (gpio_keypad_flags & GPIOKPF_DRIVE_INACTIVE) -+ gpio_set_value(mi->output_gpios[i], -+ !(gpio_keypad_flags & GPIOKPF_ACTIVE_HIGH)); -+ else -+ gpio_direction_input(mi->output_gpios[i]); -+ } -+ wake_lock(&kp->wake_lock); -+ hrtimer_start(&kp->timer, ktime_set(0, 0), HRTIMER_MODE_REL); -+ return IRQ_HANDLED; -+} -+ -+static int gpio_keypad_request_irqs(struct gpio_kp *kp) -+{ -+ int i; -+ int err; -+ unsigned int irq; -+ unsigned long request_flags; -+ struct gpio_event_matrix_info *mi = kp->keypad_info; -+ -+ switch (mi->flags & (GPIOKPF_ACTIVE_HIGH|GPIOKPF_LEVEL_TRIGGERED_IRQ)) { -+ default: -+ request_flags = IRQF_TRIGGER_FALLING; -+ break; -+ case GPIOKPF_ACTIVE_HIGH: -+ request_flags = IRQF_TRIGGER_RISING; -+ break; -+ case GPIOKPF_LEVEL_TRIGGERED_IRQ: -+ request_flags = IRQF_TRIGGER_LOW; -+ break; -+ case GPIOKPF_LEVEL_TRIGGERED_IRQ | GPIOKPF_ACTIVE_HIGH: -+ request_flags = IRQF_TRIGGER_HIGH; -+ break; -+ } -+ -+ for (i = 0; i < mi->ninputs; i++) { -+ err = irq = gpio_to_irq(mi->input_gpios[i]); -+ if (err < 0) -+ goto err_gpio_get_irq_num_failed; -+ err = request_irq(irq, gpio_keypad_irq_handler, request_flags, -+ "gpio_kp", kp); -+ if (err) { -+ pr_err("gpiomatrix: request_irq failed for input %d, " -+ "irq %d\n", mi->input_gpios[i], irq); -+ goto err_request_irq_failed; -+ } -+ err = set_irq_wake(irq, 1); -+ if (err) { -+ pr_err("gpiomatrix: set_irq_wake failed for input %d, " -+ "irq %d\n", mi->input_gpios[i], irq); -+ } -+ disable_irq(irq); -+ } -+ return 0; -+ -+ for (i = mi->noutputs - 1; i >= 0; i--) { -+ free_irq(gpio_to_irq(mi->input_gpios[i]), kp); -+err_request_irq_failed: -+err_gpio_get_irq_num_failed: -+ ; -+ } -+ return err; -+} -+ -+int gpio_event_matrix_func(struct input_dev *input_dev, -+ struct gpio_event_info *info, void **data, int func) -+{ -+ int i; -+ int err; -+ int key_count; -+ struct gpio_kp *kp; -+ struct gpio_event_matrix_info *mi; -+ -+ mi = container_of(info, struct gpio_event_matrix_info, info); -+ if (func == GPIO_EVENT_FUNC_SUSPEND || func == GPIO_EVENT_FUNC_RESUME) { -+ /* TODO: disable scanning */ -+ return 0; -+ } -+ -+ if (func == GPIO_EVENT_FUNC_INIT) { -+ if (mi->keymap == NULL || -+ mi->input_gpios == NULL || -+ mi->output_gpios == NULL) { -+ err = -ENODEV; -+ pr_err("gpiomatrix: Incomplete pdata\n"); -+ goto err_invalid_platform_data; -+ } -+ key_count = mi->ninputs * mi->noutputs; -+ -+ *data = kp = kzalloc(sizeof(*kp) + sizeof(kp->keys_pressed[0]) * -+ BITS_TO_LONGS(key_count), GFP_KERNEL); -+ if (kp == NULL) { -+ err = -ENOMEM; -+ pr_err("gpiomatrix: Failed to allocate private data\n"); -+ goto err_kp_alloc_failed; -+ } -+ kp->input_dev = input_dev; -+ kp->keypad_info = mi; -+ set_bit(EV_KEY, input_dev->evbit); -+ for (i = 0; i < key_count; i++) { -+ if (mi->keymap[i]) -+ set_bit(mi->keymap[i] & KEY_MAX, -+ input_dev->keybit); -+ } -+ -+ for (i = 0; i < mi->noutputs; i++) { -+ if (gpio_cansleep(mi->output_gpios[i])) { -+ pr_err("gpiomatrix: unsupported output gpio %d," -+ " can sleep\n", mi->output_gpios[i]); -+ err = -EINVAL; -+ goto err_request_output_gpio_failed; -+ } -+ err = gpio_request(mi->output_gpios[i], "gpio_kp_out"); -+ if (err) { -+ pr_err("gpiomatrix: gpio_request failed for " -+ "output %d\n", mi->output_gpios[i]); -+ goto err_request_output_gpio_failed; -+ } -+ if (mi->flags & GPIOKPF_DRIVE_INACTIVE) -+ err = gpio_direction_output(mi->output_gpios[i], -+ !(mi->flags & GPIOKPF_ACTIVE_HIGH)); -+ else -+ err = gpio_direction_input(mi->output_gpios[i]); -+ if (err) { -+ pr_err("gpiomatrix: gpio_configure failed for " -+ "output %d\n", mi->output_gpios[i]); -+ goto err_output_gpio_configure_failed; -+ } -+ } -+ for (i = 0; i < mi->ninputs; i++) { -+ err = gpio_request(mi->input_gpios[i], "gpio_kp_in"); -+ if (err) { -+ pr_err("gpiomatrix: gpio_request failed for " -+ "input %d\n", mi->input_gpios[i]); -+ goto err_request_input_gpio_failed; -+ } -+ err = gpio_direction_input(mi->input_gpios[i]); -+ if (err) { -+ pr_err("gpiomatrix: gpio_direction_input failed" -+ " for input %d\n", mi->input_gpios[i]); -+ goto err_gpio_direction_input_failed; -+ } -+ } -+ kp->current_output = mi->noutputs; -+ kp->key_state_changed = 1; -+ -+ hrtimer_init(&kp->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); -+ kp->timer.function = gpio_keypad_timer_func; -+ wake_lock_init(&kp->wake_lock, WAKE_LOCK_SUSPEND, "gpio_kp"); -+ err = gpio_keypad_request_irqs(kp); -+ kp->use_irq = err == 0; -+ -+ pr_info("GPIO Matrix Keypad Driver: Start keypad matrix for %s " -+ "in %s mode\n", input_dev->name, -+ kp->use_irq ? "interrupt" : "polling"); -+ -+ if (kp->use_irq) -+ wake_lock(&kp->wake_lock); -+ hrtimer_start(&kp->timer, ktime_set(0, 0), HRTIMER_MODE_REL); -+ -+ return 0; -+ } -+ -+ err = 0; -+ kp = *data; -+ -+ if (kp->use_irq) -+ for (i = mi->noutputs - 1; i >= 0; i--) -+ free_irq(gpio_to_irq(mi->input_gpios[i]), kp); -+ -+ hrtimer_cancel(&kp->timer); -+ wake_lock_destroy(&kp->wake_lock); -+ for (i = mi->noutputs - 1; i >= 0; i--) { -+err_gpio_direction_input_failed: -+ gpio_free(mi->input_gpios[i]); -+err_request_input_gpio_failed: -+ ; -+ } -+ for (i = mi->noutputs - 1; i >= 0; i--) { -+err_output_gpio_configure_failed: -+ gpio_free(mi->output_gpios[i]); -+err_request_output_gpio_failed: -+ ; -+ } -+ kfree(kp); -+err_kp_alloc_failed: -+err_invalid_platform_data: -+ return err; -+} ---- /dev/null -+++ b/drivers/input/misc/gpio_output.c -@@ -0,0 +1,84 @@ -+/* drivers/input/misc/gpio_output.c -+ * -+ * Copyright (C) 2007 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/gpio.h> -+#include <linux/gpio_event.h> -+ -+int gpio_event_output_event( -+ struct input_dev *input_dev, struct gpio_event_info *info, void **data, -+ unsigned int type, unsigned int code, int value) -+{ -+ int i; -+ struct gpio_event_output_info *oi; -+ oi = container_of(info, struct gpio_event_output_info, info); -+ if (type != oi->type) -+ return 0; -+ if (!(oi->flags & GPIOEDF_ACTIVE_HIGH)) -+ value = !value; -+ for (i = 0; i < oi->keymap_size; i++) -+ if (code == oi->keymap[i].code) -+ gpio_set_value(oi->keymap[i].gpio, value); -+ return 0; -+} -+ -+int gpio_event_output_func( -+ struct input_dev *input_dev, struct gpio_event_info *info, void **data, -+ int func) -+{ -+ int ret; -+ int i; -+ struct gpio_event_output_info *oi; -+ oi = container_of(info, struct gpio_event_output_info, info); -+ -+ if (func == GPIO_EVENT_FUNC_SUSPEND || func == GPIO_EVENT_FUNC_RESUME) -+ return 0; -+ -+ if (func == GPIO_EVENT_FUNC_INIT) { -+ int output_level = !(oi->flags & GPIOEDF_ACTIVE_HIGH); -+ for (i = 0; i < oi->keymap_size; i++) -+ input_set_capability(input_dev, oi->type, -+ oi->keymap[i].code); -+ -+ for (i = 0; i < oi->keymap_size; i++) { -+ ret = gpio_request(oi->keymap[i].gpio, -+ "gpio_event_output"); -+ if (ret) { -+ pr_err("gpio_event_output_func: gpio_request " -+ "failed for %d\n", oi->keymap[i].gpio); -+ goto err_gpio_request_failed; -+ } -+ ret = gpio_direction_output(oi->keymap[i].gpio, -+ output_level); -+ if (ret) { -+ pr_err("gpio_event_output_func: " -+ "gpio_direction_output failed for %d\n", -+ oi->keymap[i].gpio); -+ goto err_gpio_direction_output_failed; -+ } -+ } -+ return 0; -+ } -+ -+ ret = 0; -+ for (i = oi->keymap_size - 1; i >= 0; i--) { -+err_gpio_direction_output_failed: -+ gpio_free(oi->keymap[i].gpio); -+err_gpio_request_failed: -+ ; -+ } -+ return ret; -+} -+ ---- /dev/null -+++ b/include/linux/gpio_event.h -@@ -0,0 +1,154 @@ -+/* include/linux/gpio_event.h -+ * -+ * Copyright (C) 2007 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#ifndef _LINUX_GPIO_EVENT_H -+#define _LINUX_GPIO_EVENT_H -+ -+#include <linux/input.h> -+ -+enum { -+ GPIO_EVENT_FUNC_UNINIT = 0x0, -+ GPIO_EVENT_FUNC_INIT = 0x1, -+ GPIO_EVENT_FUNC_SUSPEND = 0x2, -+ GPIO_EVENT_FUNC_RESUME = 0x3, -+}; -+struct gpio_event_info { -+ int (*func)(struct input_dev *input_dev, -+ struct gpio_event_info *info, -+ void **data, int func); -+ int (*event)(struct input_dev *input_dev, -+ struct gpio_event_info *info, -+ void **data, unsigned int type, -+ unsigned int code, int value); /* out events */ -+}; -+ -+struct gpio_event_platform_data { -+ const char *name; -+ struct gpio_event_info **info; -+ size_t info_count; -+ int (*power)(const struct gpio_event_platform_data *pdata, bool on); -+}; -+ -+#define GPIO_EVENT_DEV_NAME "gpio-event" -+ -+/* Key matrix */ -+ -+enum gpio_event_matrix_flags { -+ /* unset: drive active output low, set: drive active output high */ -+ GPIOKPF_ACTIVE_HIGH = 1U << 0, -+ GPIOKPF_DEBOUNCE = 1U << 1, -+ GPIOKPF_REMOVE_SOME_PHANTOM_KEYS = 1U << 2, -+ GPIOKPF_REMOVE_PHANTOM_KEYS = GPIOKPF_REMOVE_SOME_PHANTOM_KEYS | -+ GPIOKPF_DEBOUNCE, -+ GPIOKPF_DRIVE_INACTIVE = 1U << 3, -+ GPIOKPF_LEVEL_TRIGGERED_IRQ = 1U << 4, -+ GPIOKPF_PRINT_UNMAPPED_KEYS = 1U << 16, -+ GPIOKPF_PRINT_MAPPED_KEYS = 1U << 17, -+ GPIOKPF_PRINT_PHANTOM_KEYS = 1U << 18, -+}; -+ -+extern int gpio_event_matrix_func(struct input_dev *input_dev, -+ struct gpio_event_info *info, void **data, int func); -+struct gpio_event_matrix_info { -+ /* initialize to gpio_event_matrix_func */ -+ struct gpio_event_info info; -+ /* size must be ninputs * noutputs */ -+ const unsigned short *keymap; -+ unsigned int *input_gpios; -+ unsigned int *output_gpios; -+ unsigned int ninputs; -+ unsigned int noutputs; -+ /* time to wait before reading inputs after driving each output */ -+ ktime_t settle_time; -+ /* time to wait before scanning the keypad a second time */ -+ ktime_t debounce_delay; -+ ktime_t poll_time; -+ unsigned flags; -+}; -+ -+/* Directly connected inputs and outputs */ -+ -+enum gpio_event_direct_flags { -+ GPIOEDF_ACTIVE_HIGH = 1U << 0, -+/* GPIOEDF_USE_DOWN_IRQ = 1U << 1, */ -+/* GPIOEDF_USE_IRQ = (1U << 2) | GPIOIDF_USE_DOWN_IRQ, */ -+ GPIOEDF_PRINT_KEYS = 1U << 8, -+ GPIOEDF_PRINT_KEY_DEBOUNCE = 1U << 9, -+}; -+ -+struct gpio_event_direct_entry { -+ uint32_t gpio:23; -+ uint32_t code:9; -+}; -+ -+/* inputs */ -+extern int gpio_event_input_func(struct input_dev *input_dev, -+ struct gpio_event_info *info, void **data, int func); -+struct gpio_event_input_info { -+ /* initialize to gpio_event_input_func */ -+ struct gpio_event_info info; -+ ktime_t debounce_time; -+ ktime_t poll_time; -+ uint16_t flags; -+ uint16_t type; -+ const struct gpio_event_direct_entry *keymap; -+ size_t keymap_size; -+}; -+ -+/* outputs */ -+extern int gpio_event_output_func(struct input_dev *input_dev, -+ struct gpio_event_info *info, void **data, int func); -+extern int gpio_event_output_event(struct input_dev *input_dev, -+ struct gpio_event_info *info, void **data, -+ unsigned int type, unsigned int code, int value); -+struct gpio_event_output_info { -+ /* initialize to gpio_event_output_func and gpio_event_output_event */ -+ struct gpio_event_info info; -+ uint16_t flags; -+ uint16_t type; -+ const struct gpio_event_direct_entry *keymap; -+ size_t keymap_size; -+}; -+ -+ -+/* axes */ -+ -+enum gpio_event_axis_flags { -+ GPIOEAF_PRINT_UNKNOWN_DIRECTION = 1U << 16, -+ GPIOEAF_PRINT_RAW = 1U << 17, -+ GPIOEAF_PRINT_EVENT = 1U << 18, -+}; -+ -+extern int gpio_event_axis_func(struct input_dev *input_dev, -+ struct gpio_event_info *info, void **data, int func); -+struct gpio_event_axis_info { -+ /* initialize to gpio_event_axis_func */ -+ struct gpio_event_info info; -+ uint8_t count; -+ uint8_t type; /* EV_REL or EV_ABS */ -+ uint16_t code; -+ uint16_t decoded_size; -+ uint16_t (*map)(struct gpio_event_axis_info *info, uint16_t in); -+ uint32_t *gpio; -+ uint32_t flags; -+}; -+#define gpio_axis_2bit_gray_map gpio_axis_4bit_gray_map -+#define gpio_axis_3bit_gray_map gpio_axis_4bit_gray_map -+uint16_t gpio_axis_4bit_gray_map( -+ struct gpio_event_axis_info *info, uint16_t in); -+uint16_t gpio_axis_5bit_singletrack_map( -+ struct gpio_event_axis_info *info, uint16_t in); -+ -+#endif diff --git a/target/linux/goldfish/patches-2.6.30/0087-Input-Hold-wake-lock-while-event-queue-is-not-empty.patch b/target/linux/goldfish/patches-2.6.30/0087-Input-Hold-wake-lock-while-event-queue-is-not-empty.patch deleted file mode 100644 index e85f7a3db6..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0087-Input-Hold-wake-lock-while-event-queue-is-not-empty.patch +++ /dev/null @@ -1,67 +0,0 @@ -From 0d1077627288e51b5604f270eae6cf9f5ccd3871 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Fri, 17 Oct 2008 15:20:55 -0700 -Subject: [PATCH 087/134] Input: Hold wake lock while event queue is not empty. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Allows userspace code to process input events while -the device appears to be asleep. - -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - drivers/input/evdev.c | 7 +++++++ - 1 files changed, 7 insertions(+), 0 deletions(-) - ---- a/drivers/input/evdev.c -+++ b/drivers/input/evdev.c -@@ -19,6 +19,7 @@ - #include <linux/input.h> - #include <linux/major.h> - #include <linux/device.h> -+#include <linux/wakelock.h> - #include "input-compat.h" - - struct evdev { -@@ -43,6 +44,7 @@ struct evdev_client { - struct fasync_struct *fasync; - struct evdev *evdev; - struct list_head node; -+ struct wake_lock wake_lock; - }; - - static struct evdev *evdev_table[EVDEV_MINORS]; -@@ -55,6 +57,7 @@ static void evdev_pass_event(struct evde - * Interrupts are disabled, just acquire the lock - */ - spin_lock(&client->buffer_lock); -+ wake_lock_timeout(&client->wake_lock, 5 * HZ); - client->buffer[client->head++] = *event; - client->head &= EVDEV_BUFFER_SIZE - 1; - spin_unlock(&client->buffer_lock); -@@ -233,6 +236,7 @@ static int evdev_release(struct inode *i - mutex_unlock(&evdev->mutex); - - evdev_detach_client(evdev, client); -+ wake_lock_destroy(&client->wake_lock); - kfree(client); - - evdev_close_device(evdev); -@@ -269,6 +273,7 @@ static int evdev_open(struct inode *inod - } - - spin_lock_init(&client->buffer_lock); -+ wake_lock_init(&client->wake_lock, WAKE_LOCK_SUSPEND, "evdev"); - client->evdev = evdev; - evdev_attach_client(evdev, client); - -@@ -332,6 +337,8 @@ static int evdev_fetch_next_event(struct - if (have_event) { - *event = client->buffer[client->tail++]; - client->tail &= EVDEV_BUFFER_SIZE - 1; -+ if (client->head == client->tail) -+ wake_unlock(&client->wake_lock); - } - - spin_unlock_irq(&client->buffer_lock); diff --git a/target/linux/goldfish/patches-2.6.30/0088-Input-Use-monotonic-time-for-event-time-stamps.patch b/target/linux/goldfish/patches-2.6.30/0088-Input-Use-monotonic-time-for-event-time-stamps.patch deleted file mode 100644 index 6ca183ca71..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0088-Input-Use-monotonic-time-for-event-time-stamps.patch +++ /dev/null @@ -1,31 +0,0 @@ -From 474db0e1425f8da03a7d49ebba1602efa503c73f Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Fri, 17 Oct 2008 15:28:08 -0700 -Subject: [PATCH 088/134] Input: Use monotonic time for event time stamps. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Since wall time can jump backwards, it cannot be used to determine if one -event occured before another or for how long a key was pressed. - -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - drivers/input/evdev.c | 5 ++++- - 1 files changed, 4 insertions(+), 1 deletions(-) - ---- a/drivers/input/evdev.c -+++ b/drivers/input/evdev.c -@@ -74,8 +74,11 @@ static void evdev_event(struct input_han - struct evdev *evdev = handle->private; - struct evdev_client *client; - struct input_event event; -+ struct timespec ts; - -- do_gettimeofday(&event.time); -+ ktime_get_ts(&ts); -+ event.time.tv_sec = ts.tv_sec; -+ event.time.tv_usec = ts.tv_nsec / NSEC_PER_USEC; - event.type = type; - event.code = code; - event.value = value; diff --git a/target/linux/goldfish/patches-2.6.30/0090-input-Add-keyreset-driver.patch b/target/linux/goldfish/patches-2.6.30/0090-input-Add-keyreset-driver.patch deleted file mode 100644 index 0af1c5617d..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0090-input-Add-keyreset-driver.patch +++ /dev/null @@ -1,313 +0,0 @@ -From eb92150c047e76960ecf8989b9037fd34b43a4af Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Fri, 21 Nov 2008 21:47:23 -0800 -Subject: [PATCH 090/134] input: Add keyreset driver. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Add a platform device in the board file to specify a reset key-combo. -The first time the key-combo is detected a work function that syncs -the filesystems is scheduled. If all the keys are released and then -pressed again, it calls panic. Reboot on panic should be set for -this to work. - -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - drivers/input/Kconfig | 9 ++ - drivers/input/Makefile | 1 + - drivers/input/keyreset.c | 229 ++++++++++++++++++++++++++++++++++++++++++++++ - include/linux/keyreset.h | 27 ++++++ - 4 files changed, 266 insertions(+), 0 deletions(-) - create mode 100644 drivers/input/keyreset.c - create mode 100644 include/linux/keyreset.h - ---- a/drivers/input/Kconfig -+++ b/drivers/input/Kconfig -@@ -149,6 +149,15 @@ config INPUT_APMPOWER - To compile this driver as a module, choose M here: the - module will be called apm-power. - -+config INPUT_KEYRESET -+ tristate "Reset key" -+ depends on INPUT -+ ---help--- -+ Say Y here if you want to reboot when some keys are pressed; -+ -+ To compile this driver as a module, choose M here: the -+ module will be called keyreset. -+ - config XEN_KBDDEV_FRONTEND - tristate "Xen virtual keyboard and mouse support" - depends on XEN_FBDEV_FRONTEND ---- a/drivers/input/Makefile -+++ b/drivers/input/Makefile -@@ -23,5 +23,6 @@ obj-$(CONFIG_INPUT_TOUCHSCREEN) += touch - obj-$(CONFIG_INPUT_MISC) += misc/ - - obj-$(CONFIG_INPUT_APMPOWER) += apm-power.o -+obj-$(CONFIG_INPUT_KEYRESET) += keyreset.o - - obj-$(CONFIG_XEN_KBDDEV_FRONTEND) += xen-kbdfront.o ---- /dev/null -+++ b/drivers/input/keyreset.c -@@ -0,0 +1,229 @@ -+/* drivers/input/keyreset.c -+ * -+ * Copyright (C) 2008 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/input.h> -+#include <linux/keyreset.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+#include <linux/reboot.h> -+#include <linux/sched.h> -+#include <linux/syscalls.h> -+ -+ -+struct keyreset_state { -+ struct input_handler input_handler; -+ unsigned long keybit[BITS_TO_LONGS(KEY_CNT)]; -+ unsigned long upbit[BITS_TO_LONGS(KEY_CNT)]; -+ unsigned long key[BITS_TO_LONGS(KEY_CNT)]; -+ spinlock_t lock; -+ int key_down_target; -+ int key_down; -+ int key_up; -+ int restart_disabled; -+}; -+ -+int restart_requested; -+static void deferred_restart(struct work_struct *dummy) -+{ -+ restart_requested = 2; -+ sys_sync(); -+ restart_requested = 3; -+ kernel_restart(NULL); -+} -+static DECLARE_WORK(restart_work, deferred_restart); -+ -+static void keyreset_event(struct input_handle *handle, unsigned int type, -+ unsigned int code, int value) -+{ -+ unsigned long flags; -+ struct keyreset_state *state = handle->private; -+ -+ if (type != EV_KEY) -+ return; -+ -+ if (code >= KEY_MAX) -+ return; -+ -+ if (!test_bit(code, state->keybit)) -+ return; -+ -+ spin_lock_irqsave(&state->lock, flags); -+ if (!test_bit(code, state->key) == !value) -+ goto done; -+ __change_bit(code, state->key); -+ if (test_bit(code, state->upbit)) { -+ if (value) { -+ state->restart_disabled = 1; -+ state->key_up++; -+ } else -+ state->key_up--; -+ } else { -+ if (value) -+ state->key_down++; -+ else -+ state->key_down--; -+ } -+ if (state->key_down == 0 && state->key_up == 0) -+ state->restart_disabled = 0; -+ -+ pr_debug("reset key changed %d %d new state %d-%d-%d\n", code, value, -+ state->key_down, state->key_up, state->restart_disabled); -+ -+ if (value && !state->restart_disabled && -+ state->key_down == state->key_down_target) { -+ state->restart_disabled = 1; -+ if (restart_requested) -+ panic("keyboard reset failed, %d", restart_requested); -+ pr_info("keyboard reset\n"); -+ schedule_work(&restart_work); -+ restart_requested = 1; -+ } -+done: -+ spin_unlock_irqrestore(&state->lock, flags); -+} -+ -+static int keyreset_connect(struct input_handler *handler, -+ struct input_dev *dev, -+ const struct input_device_id *id) -+{ -+ int i; -+ int ret; -+ struct input_handle *handle; -+ struct keyreset_state *state = -+ container_of(handler, struct keyreset_state, input_handler); -+ -+ for (i = 0; i < KEY_MAX; i++) { -+ if (test_bit(i, state->keybit) && test_bit(i, dev->keybit)) -+ break; -+ } -+ if (i == KEY_MAX) -+ return -ENODEV; -+ -+ handle = kzalloc(sizeof(*handle), GFP_KERNEL); -+ if (!handle) -+ return -ENOMEM; -+ -+ handle->dev = dev; -+ handle->handler = handler; -+ handle->name = "keyreset"; -+ handle->private = state; -+ -+ ret = input_register_handle(handle); -+ if (ret) -+ goto err_input_register_handle; -+ -+ ret = input_open_device(handle); -+ if (ret) -+ goto err_input_open_device; -+ -+ pr_info("using input dev %s for key reset\n", dev->name); -+ -+ return 0; -+ -+err_input_open_device: -+ input_unregister_handle(handle); -+err_input_register_handle: -+ kfree(handle); -+ return ret; -+} -+ -+static void keyreset_disconnect(struct input_handle *handle) -+{ -+ input_close_device(handle); -+ input_unregister_handle(handle); -+ kfree(handle); -+} -+ -+static const struct input_device_id keyreset_ids[] = { -+ { -+ .flags = INPUT_DEVICE_ID_MATCH_EVBIT, -+ .evbit = { BIT_MASK(EV_KEY) }, -+ }, -+ { }, -+}; -+MODULE_DEVICE_TABLE(input, keyreset_ids); -+ -+static int keyreset_probe(struct platform_device *pdev) -+{ -+ int ret; -+ int key, *keyp; -+ struct keyreset_state *state; -+ struct keyreset_platform_data *pdata = pdev->dev.platform_data; -+ -+ if (!pdata) -+ return -EINVAL; -+ -+ state = kzalloc(sizeof(*state), GFP_KERNEL); -+ if (!state) -+ return -ENOMEM; -+ -+ spin_lock_init(&state->lock); -+ keyp = pdata->keys_down; -+ while ((key = *keyp++)) { -+ if (key >= KEY_MAX) -+ continue; -+ state->key_down_target++; -+ __set_bit(key, state->keybit); -+ } -+ if (pdata->keys_up) { -+ keyp = pdata->keys_up; -+ while ((key = *keyp++)) { -+ if (key >= KEY_MAX) -+ continue; -+ __set_bit(key, state->keybit); -+ __set_bit(key, state->upbit); -+ } -+ } -+ state->input_handler.event = keyreset_event; -+ state->input_handler.connect = keyreset_connect; -+ state->input_handler.disconnect = keyreset_disconnect; -+ state->input_handler.name = KEYRESET_NAME; -+ state->input_handler.id_table = keyreset_ids; -+ ret = input_register_handler(&state->input_handler); -+ if (ret) { -+ kfree(state); -+ return ret; -+ } -+ platform_set_drvdata(pdev, state); -+ return 0; -+} -+ -+int keyreset_remove(struct platform_device *pdev) -+{ -+ struct keyreset_state *state = platform_get_drvdata(pdev); -+ input_unregister_handler(&state->input_handler); -+ kfree(state); -+ return 0; -+} -+ -+ -+struct platform_driver keyreset_driver = { -+ .driver.name = KEYRESET_NAME, -+ .probe = keyreset_probe, -+ .remove = keyreset_remove, -+}; -+ -+static int __init keyreset_init(void) -+{ -+ return platform_driver_register(&keyreset_driver); -+} -+ -+static void __exit keyreset_exit(void) -+{ -+ return platform_driver_unregister(&keyreset_driver); -+} -+ -+module_init(keyreset_init); -+module_exit(keyreset_exit); ---- /dev/null -+++ b/include/linux/keyreset.h -@@ -0,0 +1,27 @@ -+/* -+ * include/linux/keyreset.h - platform data structure for resetkeys driver -+ * -+ * Copyright (C) 2008 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#ifndef _LINUX_KEYRESET_H -+#define _LINUX_KEYRESET_H -+ -+#define KEYRESET_NAME "keyreset" -+ -+struct keyreset_platform_data { -+ int *keys_up; -+ int keys_down[]; /* 0 terminated */ -+}; -+ -+#endif /* _LINUX_KEYRESET_H */ diff --git a/target/linux/goldfish/patches-2.6.30/0093-mmc-Add-status-IRQ-and-status-callback-function-to.patch b/target/linux/goldfish/patches-2.6.30/0093-mmc-Add-status-IRQ-and-status-callback-function-to.patch deleted file mode 100644 index 8fb7ade2d5..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0093-mmc-Add-status-IRQ-and-status-callback-function-to.patch +++ /dev/null @@ -1,21 +0,0 @@ -From 2cae40a6a76e9e440f146ce0402aed40a7c127ca Mon Sep 17 00:00:00 2001 -From: San Mehat <san@google.com> -Date: Mon, 10 Nov 2008 16:29:50 -0800 -Subject: [PATCH 093/134] mmc: Add status IRQ and status callback function to mmc platform data - -Signed-off-by: San Mehat <san@google.com> ---- - arch/arm/include/asm/mach/mmc.h | 2 ++ - 1 files changed, 2 insertions(+), 0 deletions(-) - ---- a/arch/arm/include/asm/mach/mmc.h -+++ b/arch/arm/include/asm/mach/mmc.h -@@ -10,6 +10,8 @@ struct mmc_platform_data { - unsigned int ocr_mask; /* available voltages */ - u32 (*translate_vdd)(struct device *, unsigned int); - unsigned int (*status)(struct device *); -+ unsigned int status_irq; -+ int (*register_status_notify)(void (*callback)(int card_present, void *dev_id), void *dev_id); - }; - - #endif diff --git a/target/linux/goldfish/patches-2.6.30/0094-mmc-sd-Add-new-CONFIG_MMC_PARANOID_SD_INIT-for-ena.patch b/target/linux/goldfish/patches-2.6.30/0094-mmc-sd-Add-new-CONFIG_MMC_PARANOID_SD_INIT-for-ena.patch deleted file mode 100644 index 275504b358..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0094-mmc-sd-Add-new-CONFIG_MMC_PARANOID_SD_INIT-for-ena.patch +++ /dev/null @@ -1,69 +0,0 @@ -From 66983857a54479d76ce6dbd8399e1276698bd3c5 Mon Sep 17 00:00:00 2001 -From: San Mehat <san@google.com> -Date: Tue, 11 Nov 2008 09:35:36 -0800 -Subject: [PATCH 094/134] mmc: sd: Add new CONFIG_MMC_PARANOID_SD_INIT for enabling retries during SD detection - -Signed-off-by: San Mehat <san@google.com> ---- - drivers/mmc/core/Kconfig | 8 ++++++++ - drivers/mmc/core/sd.c | 24 ++++++++++++++++++++++-- - 2 files changed, 30 insertions(+), 2 deletions(-) - ---- a/drivers/mmc/core/Kconfig -+++ b/drivers/mmc/core/Kconfig -@@ -14,3 +14,11 @@ config MMC_UNSAFE_RESUME - This option is usually just for embedded systems which use - a MMC/SD card for rootfs. Most people should say N here. - -+config MMC_PARANOID_SD_INIT -+ bool "Enable paranoid SD card initialization (EXPERIMENTAL)" -+ help -+ If you say Y here, the MMC layer will be extra paranoid -+ about re-trying SD init requests. This can be a useful -+ work-around for buggy controllers and hardware. Enable -+ if you are experiencing issues with SD detection. -+ ---- a/drivers/mmc/core/sd.c -+++ b/drivers/mmc/core/sd.c -@@ -336,7 +336,9 @@ static int mmc_sd_init_card(struct mmc_h - int err; - u32 cid[4]; - unsigned int max_dtr; -- -+#ifdef CONFIG_MMC_PARANOID_SD_INIT -+ int retries; -+#endif - BUG_ON(!host); - WARN_ON(!host->claimed); - -@@ -439,11 +441,29 @@ static int mmc_sd_init_card(struct mmc_h - err = mmc_decode_scr(card); - if (err < 0) - goto free_card; -- - /* - * Fetch switch information from card. - */ -+#ifdef CONFIG_MMC_PARANOID_SD_INIT -+ for (retries = 1; retries <= 3; retries++) { -+ err = mmc_read_switch(card); -+ if (!err) { -+ if (retries > 1) { -+ printk(KERN_WARNING -+ "%s: recovered\n", -+ mmc_hostname(host)); -+ } -+ break; -+ } else { -+ printk(KERN_WARNING -+ "%s: read switch failed (attempt %d)\n", -+ mmc_hostname(host), retries); -+ } -+ } -+#else - err = mmc_read_switch(card); -+#endif -+ - if (err) - goto free_card; - } diff --git a/target/linux/goldfish/patches-2.6.30/0095-mmc-Add-concept-of-an-embedded-SDIO-device.patch b/target/linux/goldfish/patches-2.6.30/0095-mmc-Add-concept-of-an-embedded-SDIO-device.patch deleted file mode 100644 index e3f0eb4811..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0095-mmc-Add-concept-of-an-embedded-SDIO-device.patch +++ /dev/null @@ -1,274 +0,0 @@ -From 62d51f0d0d0b3c758b4505c3855b61288b8e90aa Mon Sep 17 00:00:00 2001 -From: San Mehat <san@android.com> -Date: Mon, 14 Apr 2008 15:22:49 -0700 -Subject: [PATCH 095/134] mmc: Add concept of an 'embedded' SDIO device. - -This is required to support chips which use SDIO for signaling/ -communication but do not implement the various card enumeration registers -as required for full SD / SDIO cards. - -mmc: sdio: Fix bug where we're freeing the CIS tables we never allocated when using EMBEDDED_SDIO -mmc: Add max_blksize to embedded SDIO data - -Signed-off-by: San Mehat <san@google.com> ---- - arch/arm/include/asm/mach/mmc.h | 10 ++++++ - drivers/mmc/core/Kconfig | 10 +++++- - drivers/mmc/core/core.c | 16 +++++++++ - drivers/mmc/core/sdio.c | 67 ++++++++++++++++++++++++++++++++------- - drivers/mmc/core/sdio_bus.c | 13 +++++++- - include/linux/mmc/host.h | 17 ++++++++++ - include/linux/mmc/sdio_func.h | 8 +++++ - 7 files changed, 127 insertions(+), 14 deletions(-) - ---- a/arch/arm/include/asm/mach/mmc.h -+++ b/arch/arm/include/asm/mach/mmc.h -@@ -5,12 +5,22 @@ - #define ASMARM_MACH_MMC_H - - #include <linux/mmc/host.h> -+#include <linux/mmc/card.h> -+#include <linux/mmc/sdio_func.h> -+ -+struct embedded_sdio_data { -+ struct sdio_cis cis; -+ struct sdio_cccr cccr; -+ struct sdio_embedded_func *funcs; -+ int num_funcs; -+}; - - struct mmc_platform_data { - unsigned int ocr_mask; /* available voltages */ - u32 (*translate_vdd)(struct device *, unsigned int); - unsigned int (*status)(struct device *); - unsigned int status_irq; -+ struct embedded_sdio_data *embedded_sdio; - int (*register_status_notify)(void (*callback)(int card_present, void *dev_id), void *dev_id); - }; - ---- a/drivers/mmc/core/Kconfig -+++ b/drivers/mmc/core/Kconfig -@@ -14,11 +14,19 @@ config MMC_UNSAFE_RESUME - This option is usually just for embedded systems which use - a MMC/SD card for rootfs. Most people should say N here. - -+config MMC_EMBEDDED_SDIO -+ boolean "MMC embedded SDIO device support (EXPERIMENTAL)" -+ depends on EXPERIMENTAL -+ help -+ If you say Y here, support will be added for embedded SDIO -+ devices which do not contain the necessary enumeration -+ support in hardware to be properly detected. -+ - config MMC_PARANOID_SD_INIT - bool "Enable paranoid SD card initialization (EXPERIMENTAL)" -+ depends on EXPERIMENTAL - help - If you say Y here, the MMC layer will be extra paranoid - about re-trying SD init requests. This can be a useful - work-around for buggy controllers and hardware. Enable - if you are experiencing issues with SD detection. -- ---- a/drivers/mmc/core/core.c -+++ b/drivers/mmc/core/core.c -@@ -1011,6 +1011,22 @@ EXPORT_SYMBOL(mmc_resume_host); - - #endif - -+#ifdef CONFIG_MMC_EMBEDDED_SDIO -+void mmc_set_embedded_sdio_data(struct mmc_host *host, -+ struct sdio_cis *cis, -+ struct sdio_cccr *cccr, -+ struct sdio_embedded_func *funcs, -+ int num_funcs) -+{ -+ host->embedded_sdio_data.cis = cis; -+ host->embedded_sdio_data.cccr = cccr; -+ host->embedded_sdio_data.funcs = funcs; -+ host->embedded_sdio_data.num_funcs = num_funcs; -+} -+ -+EXPORT_SYMBOL(mmc_set_embedded_sdio_data); -+#endif -+ - static int __init mmc_init(void) - { - int ret; ---- a/drivers/mmc/core/sdio.c -+++ b/drivers/mmc/core/sdio.c -@@ -24,6 +24,10 @@ - #include "sdio_ops.h" - #include "sdio_cis.h" - -+#ifdef CONFIG_MMC_EMBEDDED_SDIO -+#include <linux/mmc/sdio_ids.h> -+#endif -+ - static int sdio_read_fbr(struct sdio_func *func) - { - int ret; -@@ -314,6 +318,11 @@ int mmc_attach_sdio(struct mmc_host *hos - */ - funcs = (ocr & 0x70000000) >> 28; - -+#ifdef CONFIG_MMC_EMBEDDED_SDIO -+ if (host->embedded_sdio_data.funcs) -+ funcs = host->embedded_sdio_data.num_funcs; -+#endif -+ - /* - * Allocate card structure. - */ -@@ -351,17 +360,33 @@ int mmc_attach_sdio(struct mmc_host *hos - /* - * Read the common registers. - */ -- err = sdio_read_cccr(card); -- if (err) -- goto remove; - -- /* -- * Read the common CIS tuples. -- */ -- err = sdio_read_common_cis(card); -- if (err) -- goto remove; -+#ifdef CONFIG_MMC_EMBEDDED_SDIO -+ if (host->embedded_sdio_data.cccr) -+ memcpy(&card->cccr, host->embedded_sdio_data.cccr, sizeof(struct sdio_cccr)); -+ else { -+#endif -+ err = sdio_read_cccr(card); -+ if (err) -+ goto remove; -+#ifdef CONFIG_MMC_EMBEDDED_SDIO -+ } -+#endif - -+#ifdef CONFIG_MMC_EMBEDDED_SDIO -+ if (host->embedded_sdio_data.cis) -+ memcpy(&card->cis, host->embedded_sdio_data.cis, sizeof(struct sdio_cis)); -+ else { -+#endif -+ /* -+ * Read the common CIS tuples. -+ */ -+ err = sdio_read_common_cis(card); -+ if (err) -+ goto remove; -+#ifdef CONFIG_MMC_EMBEDDED_SDIO -+ } -+#endif - /* - * Switch to high-speed (if supported). - */ -@@ -395,9 +420,27 @@ int mmc_attach_sdio(struct mmc_host *hos - * Initialize (but don't add) all present functions. - */ - for (i = 0;i < funcs;i++) { -- err = sdio_init_func(host->card, i + 1); -- if (err) -- goto remove; -+#ifdef CONFIG_MMC_EMBEDDED_SDIO -+ if (host->embedded_sdio_data.funcs) { -+ struct sdio_func *tmp; -+ -+ tmp = sdio_alloc_func(host->card); -+ if (IS_ERR(tmp)) -+ goto remove; -+ tmp->num = (i + 1); -+ card->sdio_func[i] = tmp; -+ tmp->class = host->embedded_sdio_data.funcs[i].f_class; -+ tmp->max_blksize = host->embedded_sdio_data.funcs[i].f_maxblksize; -+ tmp->vendor = card->cis.vendor; -+ tmp->device = card->cis.device; -+ } else { -+#endif -+ err = sdio_init_func(host->card, i + 1); -+ if (err) -+ goto remove; -+#ifdef CONFIG_MMC_EMBEDDED_SDIO -+ } -+#endif - } - - mmc_release_host(host); ---- a/drivers/mmc/core/sdio_bus.c -+++ b/drivers/mmc/core/sdio_bus.c -@@ -20,6 +20,10 @@ - #include "sdio_cis.h" - #include "sdio_bus.h" - -+#ifdef CONFIG_MMC_EMBEDDED_SDIO -+#include <linux/mmc/host.h> -+#endif -+ - #define dev_to_sdio_func(d) container_of(d, struct sdio_func, dev) - #define to_sdio_driver(d) container_of(d, struct sdio_driver, drv) - -@@ -202,7 +206,14 @@ static void sdio_release_func(struct dev - { - struct sdio_func *func = dev_to_sdio_func(dev); - -- sdio_free_func_cis(func); -+#ifdef CONFIG_MMC_EMBEDDED_SDIO -+ /* -+ * If this device is embedded then we never allocated -+ * cis tables for this func -+ */ -+ if (!func->card->host->embedded_sdio_data.funcs) -+#endif -+ sdio_free_func_cis(func); - - if (func->info) - kfree(func->info); ---- a/include/linux/mmc/host.h -+++ b/include/linux/mmc/host.h -@@ -161,6 +161,15 @@ struct mmc_host { - - struct dentry *debugfs_root; - -+#ifdef CONFIG_MMC_EMBEDDED_SDIO -+ struct { -+ struct sdio_cis *cis; -+ struct sdio_cccr *cccr; -+ struct sdio_embedded_func *funcs; -+ int num_funcs; -+ } embedded_sdio_data; -+#endif -+ - unsigned long private[0] ____cacheline_aligned; - }; - -@@ -169,6 +178,14 @@ extern int mmc_add_host(struct mmc_host - extern void mmc_remove_host(struct mmc_host *); - extern void mmc_free_host(struct mmc_host *); - -+#ifdef CONFIG_MMC_EMBEDDED_SDIO -+extern void mmc_set_embedded_sdio_data(struct mmc_host *host, -+ struct sdio_cis *cis, -+ struct sdio_cccr *cccr, -+ struct sdio_embedded_func *funcs, -+ int num_funcs); -+#endif -+ - static inline void *mmc_priv(struct mmc_host *host) - { - return (void *)host->private; ---- a/include/linux/mmc/sdio_func.h -+++ b/include/linux/mmc/sdio_func.h -@@ -21,6 +21,14 @@ struct sdio_func; - typedef void (sdio_irq_handler_t)(struct sdio_func *); - - /* -+ * Structure used to hold embedded SDIO device data from platform layer -+ */ -+struct sdio_embedded_func { -+ uint8_t f_class; -+ uint32_t f_maxblksize; -+}; -+ -+/* - * SDIO function CIS tuple (unknown to the core) - */ - struct sdio_func_tuple { diff --git a/target/linux/goldfish/patches-2.6.30/0097-mmc-Add-new-API-call-sdio_reset_comm-for-resettin.patch b/target/linux/goldfish/patches-2.6.30/0097-mmc-Add-new-API-call-sdio_reset_comm-for-resettin.patch deleted file mode 100644 index 59cd702b56..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0097-mmc-Add-new-API-call-sdio_reset_comm-for-resettin.patch +++ /dev/null @@ -1,74 +0,0 @@ -From 0b9879757f15d4ac99e032647cb3ee26393031b0 Mon Sep 17 00:00:00 2001 -From: San Mehat <san@android.com> -Date: Thu, 15 May 2008 09:15:37 -0700 -Subject: [PATCH 097/134] mmc: Add new API call 'sdio_reset_comm' for resetting communication with an SDIO device - -Signed-off-by: San Mehat <san@android.com> ---- - drivers/mmc/core/sdio.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++ - 1 files changed, 58 insertions(+), 0 deletions(-) - ---- a/drivers/mmc/core/sdio.c -+++ b/drivers/mmc/core/sdio.c -@@ -482,3 +482,61 @@ err: - return err; - } - -+int sdio_reset_comm(struct mmc_card *card) -+{ -+ struct mmc_host *host = card->host; -+ u32 ocr; -+ int err; -+ -+ printk("%s():\n", __func__); -+ mmc_go_idle(host); -+ -+ mmc_set_clock(host, host->f_min); -+ -+ err = mmc_send_io_op_cond(host, 0, &ocr); -+ if (err) -+ goto err; -+ -+ host->ocr = mmc_select_voltage(host, ocr); -+ if (!host->ocr) { -+ err = -EINVAL; -+ goto err; -+ } -+ -+ err = mmc_send_io_op_cond(host, host->ocr, &ocr); -+ if (err) -+ goto err; -+ -+ if (mmc_host_is_spi(host)) { -+ err = mmc_spi_set_crc(host, use_spi_crc); -+ if (err) -+ goto err; -+ } -+ -+ if (!mmc_host_is_spi(host)) { -+ err = mmc_send_relative_addr(host, &card->rca); -+ if (err) -+ goto err; -+ mmc_set_bus_mode(host, MMC_BUSMODE_PUSHPULL); -+ } -+ if (!mmc_host_is_spi(host)) { -+ err = mmc_select_card(card); -+ if (err) -+ goto err; -+ } -+ -+ mmc_set_clock(host, card->cis.max_dtr); -+ err = sdio_enable_wide(card); -+ if (err) -+ goto err; -+ -+ return 0; -+ err: -+ printk("%s: Error resetting SDIO communications (%d)\n", -+ mmc_hostname(host), err); -+ mmc_release_host(host); -+ return err; -+} -+EXPORT_SYMBOL(sdio_reset_comm); -+ -+ diff --git a/target/linux/goldfish/patches-2.6.30/0098-mmc-sd-When-resuming-try-a-little-harder-to-init.patch b/target/linux/goldfish/patches-2.6.30/0098-mmc-sd-When-resuming-try-a-little-harder-to-init.patch deleted file mode 100644 index 4e525b6176..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0098-mmc-sd-When-resuming-try-a-little-harder-to-init.patch +++ /dev/null @@ -1,44 +0,0 @@ -From bd8df907ee8e95143d1bb7ec01ee0e4b6f7e1b79 Mon Sep 17 00:00:00 2001 -From: San Mehat <san@android.com> -Date: Mon, 1 Dec 2008 08:52:34 -0800 -Subject: [PATCH 098/134] mmc: sd: When resuming, try a little harder to init the card - -Signed-off-by: San Mehat <san@android.com> ---- - drivers/mmc/core/sd.c | 19 +++++++++++++++++++ - 1 files changed, 19 insertions(+), 0 deletions(-) - ---- a/drivers/mmc/core/sd.c -+++ b/drivers/mmc/core/sd.c -@@ -607,12 +607,31 @@ static void mmc_sd_suspend(struct mmc_ho - static void mmc_sd_resume(struct mmc_host *host) - { - int err; -+#ifdef CONFIG_MMC_PARANOID_SD_INIT -+ int retries; -+#endif - - BUG_ON(!host); - BUG_ON(!host->card); - - mmc_claim_host(host); -+#ifdef CONFIG_MMC_PARANOID_SD_INIT -+ retries = 5; -+ while (retries) { -+ err = mmc_sd_init_card(host, host->ocr, host->card); -+ -+ if (err) { -+ printk(KERN_ERR "%s: Re-init card rc = %d (retries = %d)\n", -+ mmc_hostname(host), err, retries); -+ mdelay(5); -+ retries--; -+ continue; -+ } -+ break; -+ } -+#else - err = mmc_sd_init_card(host, host->ocr, host->card); -+#endif - mmc_release_host(host); - - if (err) { diff --git a/target/linux/goldfish/patches-2.6.30/0099-mmc-mmcblk-Add-new-feature-CONFIG_MMC_BLOCK_PARAN.patch b/target/linux/goldfish/patches-2.6.30/0099-mmc-mmcblk-Add-new-feature-CONFIG_MMC_BLOCK_PARAN.patch deleted file mode 100644 index 78e23780ff..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0099-mmc-mmcblk-Add-new-feature-CONFIG_MMC_BLOCK_PARAN.patch +++ /dev/null @@ -1,104 +0,0 @@ -From 5ca694dfd981a371e9b18cdd4a89c002ffaccbc5 Mon Sep 17 00:00:00 2001 -From: San Mehat <san@android.com> -Date: Wed, 3 Dec 2008 10:22:59 -0800 -Subject: [PATCH 099/134] mmc: mmcblk: Add new feature 'CONFIG_MMC_BLOCK_PARANOID_RESUME' - - With this feature enabled, mmcblk will check the card-status before issuing -a transaction *only* after being resumed. This protectes us from issuing -transactions before the sdcard is ready (which can occur if the host driver -deferrs mmc_resume_host() to reduce resume latency) - -Signed-off-by: San Mehat <san@android.com> ---- - drivers/mmc/card/Kconfig | 7 +++++++ - drivers/mmc/card/block.c | 3 +++ - drivers/mmc/card/queue.c | 28 ++++++++++++++++++++++++++++ - drivers/mmc/card/queue.h | 3 +++ - 4 files changed, 41 insertions(+), 0 deletions(-) - ---- a/drivers/mmc/card/Kconfig -+++ b/drivers/mmc/card/Kconfig -@@ -32,6 +32,13 @@ config MMC_BLOCK_BOUNCE - - If unsure, say Y here. - -+config MMC_BLOCK_PARANOID_RESUME -+ bool "Check card status on resume" -+ depends on MMC_BLOCK -+ default y -+ help -+ Nohelp -+ - config SDIO_UART - tristate "SDIO UART/GPS class support" - help ---- a/drivers/mmc/card/block.c -+++ b/drivers/mmc/card/block.c -@@ -643,6 +643,9 @@ static int mmc_blk_resume(struct mmc_car - - if (md) { - mmc_blk_set_blksize(md, card); -+#ifdef CONFIG_MMC_BLOCK_PARANOID_RESUME -+ md->queue.check_status = 1; -+#endif - mmc_queue_resume(&md->queue); - } - return 0; ---- a/drivers/mmc/card/queue.c -+++ b/drivers/mmc/card/queue.c -@@ -14,7 +14,9 @@ - #include <linux/freezer.h> - #include <linux/kthread.h> - #include <linux/scatterlist.h> -+#include <linux/delay.h> - -+#include <linux/mmc/mmc.h> - #include <linux/mmc/card.h> - #include <linux/mmc/host.h> - #include "queue.h" -@@ -70,7 +72,33 @@ static int mmc_queue_thread(void *d) - continue; - } - set_current_state(TASK_RUNNING); -+#ifdef CONFIG_MMC_BLOCK_PARANOID_RESUME -+ if (mq->check_status) { -+ struct mmc_command cmd; - -+ do { -+ int err; -+ -+ cmd.opcode = MMC_SEND_STATUS; -+ cmd.arg = mq->card->rca << 16; -+ cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; -+ -+ mmc_claim_host(mq->card->host); -+ err = mmc_wait_for_cmd(mq->card->host, &cmd, 5); -+ mmc_release_host(mq->card->host); -+ -+ if (err) { -+ printk(KERN_ERR "%s: failed to get status (%d)\n", -+ __func__, err); -+ msleep(5); -+ continue; -+ } -+ printk(KERN_DEBUG "%s: status 0x%.8x\n", __func__, cmd.resp[0]); -+ } while (!(cmd.resp[0] & R1_READY_FOR_DATA) || -+ (R1_CURRENT_STATE(cmd.resp[0]) == 7)); -+ mq->check_status = 0; -+ } -+#endif - mq->issue_fn(mq, req); - } while (1); - up(&mq->thread_sem); ---- a/drivers/mmc/card/queue.h -+++ b/drivers/mmc/card/queue.h -@@ -17,6 +17,9 @@ struct mmc_queue { - char *bounce_buf; - struct scatterlist *bounce_sg; - unsigned int bounce_sg_len; -+#ifdef CONFIG_MMC_BLOCK_PARANOID_RESUME -+ int check_status; -+#endif - }; - - extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *); diff --git a/target/linux/goldfish/patches-2.6.30/0100-mmc-sd-Add-retries-in-re-detection.patch b/target/linux/goldfish/patches-2.6.30/0100-mmc-sd-Add-retries-in-re-detection.patch deleted file mode 100644 index 090e9e6913..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0100-mmc-sd-Add-retries-in-re-detection.patch +++ /dev/null @@ -1,91 +0,0 @@ -From 39e3d37b1f7194277b8a3ea3536a67ec2d24491e Mon Sep 17 00:00:00 2001 -From: San Mehat <san@android.com> -Date: Thu, 4 Dec 2008 11:18:00 -0800 -Subject: [PATCH 100/134] mmc: sd: Add retries in re-detection - -Signed-off-by: San Mehat <san@android.com> ---- - drivers/mmc/core/sd.c | 46 +++++++++++++++++++++++++++++++++++++++++++--- - 1 files changed, 43 insertions(+), 3 deletions(-) - ---- a/drivers/mmc/core/sd.c -+++ b/drivers/mmc/core/sd.c -@@ -558,18 +558,37 @@ static void mmc_sd_remove(struct mmc_hos - */ - static void mmc_sd_detect(struct mmc_host *host) - { -- int err; -+ int err = 0; -+#ifdef CONFIG_MMC_PARANOID_SD_INIT -+ int retries = 5; -+#endif - - BUG_ON(!host); - BUG_ON(!host->card); -- -+ - mmc_claim_host(host); - - /* - * Just check if our card has been removed. - */ -+#ifdef CONFIG_MMC_PARANOID_SD_INIT -+ while(retries) { -+ err = mmc_send_status(host->card, NULL); -+ printk("%s(%s): err = %d\n", __func__, mmc_hostname(host), err); -+ if (err) { -+ retries--; -+ udelay(5); -+ continue; -+ } -+ break; -+ } -+ if (!retries) { -+ printk(KERN_ERR "%s(%s): Unable to re-detect card (%d)\n", -+ __func__, mmc_hostname(host), err); -+ } -+#else - err = mmc_send_status(host->card, NULL); -- -+#endif - mmc_release_host(host); - - if (err) { -@@ -664,6 +683,9 @@ static const struct mmc_bus_ops mmc_sd_o - int mmc_attach_sd(struct mmc_host *host, u32 ocr) - { - int err; -+#ifdef CONFIG_MMC_PARANOID_SD_INIT -+ int retries; -+#endif - - BUG_ON(!host); - WARN_ON(!host->claimed); -@@ -712,9 +734,27 @@ int mmc_attach_sd(struct mmc_host *host, - /* - * Detect and init the card. - */ -+#ifdef CONFIG_MMC_PARANOID_SD_INIT -+ retries = 5; -+ while (retries) { -+ err = mmc_sd_init_card(host, host->ocr, NULL); -+ if (err) { -+ retries--; -+ continue; -+ } -+ break; -+ } -+ -+ if (!retries) { -+ printk(KERN_ERR "%s: mmc_sd_init_card() failure (err = %d)\n", -+ mmc_hostname(host), err); -+ goto err; -+ } -+#else - err = mmc_sd_init_card(host, host->ocr, NULL); - if (err) - goto err; -+#endif - - mmc_release_host(host); - diff --git a/target/linux/goldfish/patches-2.6.30/0101-android_usb-Composite-USB-gadget-driver-for-android.patch b/target/linux/goldfish/patches-2.6.30/0101-android_usb-Composite-USB-gadget-driver-for-android.patch deleted file mode 100644 index 4638449ce1..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0101-android_usb-Composite-USB-gadget-driver-for-android.patch +++ /dev/null @@ -1,4127 +0,0 @@ -From 03e39e8f663c896dac11e87d96e8cb0292520e36 Mon Sep 17 00:00:00 2001 -From: Mike Lockwood <lockwood@android.com> -Date: Tue, 2 Dec 2008 22:01:33 -0500 -Subject: [PATCH 101/134] android_usb: Composite USB gadget driver for android. - -Signed-off-by: Mike Lockwood <lockwood@android.com> - -USB: android gadget: add remote wakeup attribute to android function - -Add remote wakeup attribute to configuration descriptor of android -function to advertise remote wakeup capability to host - -Acked-by: Allam, Suresh Reddy <sallam@qualcomm.com> - -Signed-off-by: Mike Lockwood <lockwood@android.com> - -usb gadget: link fixes for android composite gadget - -Signed-off-by: Mike Lockwood <lockwood@android.com> - -usb gadget: Fix null pointer errors in android composite driver - -Signed-off-by: Mike Lockwood <lockwood@android.com> ---- - drivers/usb/gadget/Kconfig | 8 + - drivers/usb/gadget/Makefile | 2 + - drivers/usb/gadget/android.c | 345 +++++ - drivers/usb/gadget/f_adb.c | 668 ++++++++ - drivers/usb/gadget/f_adb.h | 25 + - drivers/usb/gadget/f_mass_storage.c | 2906 +++++++++++++++++++++++++++++++++++ - drivers/usb/gadget/f_mass_storage.h | 52 + - include/linux/usb/android.h | 40 + - 8 files changed, 4046 insertions(+), 0 deletions(-) - create mode 100644 drivers/usb/gadget/android.c - create mode 100644 drivers/usb/gadget/f_adb.c - create mode 100644 drivers/usb/gadget/f_adb.h - create mode 100644 drivers/usb/gadget/f_mass_storage.c - create mode 100644 drivers/usb/gadget/f_mass_storage.h - create mode 100644 include/linux/usb/android.h - ---- a/drivers/usb/gadget/Kconfig -+++ b/drivers/usb/gadget/Kconfig -@@ -700,6 +700,14 @@ config USB_G_PRINTER - For more information, see Documentation/usb/gadget_printer.txt - which includes sample code for accessing the device file. - -+config USB_ANDROID -+ tristate "Android Gadget" -+ help -+ The Android gadget provides mass storage and adb transport. -+ -+ Say "y" to link the driver statically, or "m" to build a -+ dynamically linked module called "g_android". -+ - config USB_CDC_COMPOSITE - tristate "CDC Composite Device (Ethernet and ACM)" - depends on NET ---- a/drivers/usb/gadget/Makefile -+++ b/drivers/usb/gadget/Makefile -@@ -33,6 +33,7 @@ gadgetfs-objs := inode.o - g_file_storage-objs := file_storage.o - g_printer-objs := printer.o - g_cdc-objs := cdc2.o -+g_android-objs := android.o f_adb.o f_mass_storage.o - - obj-$(CONFIG_USB_ZERO) += g_zero.o - obj-$(CONFIG_USB_ETH) += g_ether.o -@@ -42,4 +43,5 @@ obj-$(CONFIG_USB_G_SERIAL) += g_serial.o - obj-$(CONFIG_USB_G_PRINTER) += g_printer.o - obj-$(CONFIG_USB_MIDI_GADGET) += g_midi.o - obj-$(CONFIG_USB_CDC_COMPOSITE) += g_cdc.o -+obj-$(CONFIG_USB_ANDROID) += g_android.o - ---- /dev/null -+++ b/drivers/usb/gadget/android.c -@@ -0,0 +1,345 @@ -+/* -+ * Gadget Driver for Android -+ * -+ * Copyright (C) 2008 Google, Inc. -+ * Author: Mike Lockwood <lockwood@android.com> -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+/* #define DEBUG */ -+/* #define VERBOSE_DEBUG */ -+ -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/fs.h> -+ -+#include <linux/delay.h> -+#include <linux/kernel.h> -+#include <linux/utsname.h> -+#include <linux/miscdevice.h> -+#include <linux/platform_device.h> -+ -+#include <linux/usb/android.h> -+#include <linux/usb/ch9.h> -+#include <linux/usb/composite.h> -+#include <linux/usb/gadget.h> -+ -+#include "f_mass_storage.h" -+#include "f_adb.h" -+ -+#include "gadget_chips.h" -+ -+/* -+ * Kbuild is not very cooperative with respect to linking separately -+ * compiled library objects into one module. So for now we won't use -+ * separate compilation ... ensuring init/exit sections work to shrink -+ * the runtime footprint, and giving us at least some parts of what -+ * a "gcc --combine ... part1.c part2.c part3.c ... " build would. -+ */ -+#include "usbstring.c" -+#include "config.c" -+#include "epautoconf.c" -+#include "composite.c" -+ -+MODULE_AUTHOR("Mike Lockwood"); -+MODULE_DESCRIPTION("Android Composite USB Driver"); -+MODULE_LICENSE("GPL"); -+MODULE_VERSION("1.0"); -+ -+static const char longname[] = "Gadget Android"; -+ -+/* Default vendor and product IDs, overridden by platform data */ -+#define VENDOR_ID 0x18D1 -+#define PRODUCT_ID 0x0001 -+#define ADB_PRODUCT_ID 0x0002 -+ -+struct android_dev { -+ struct usb_gadget *gadget; -+ struct usb_composite_dev *cdev; -+ -+ int product_id; -+ int adb_product_id; -+ int version; -+ -+ int adb_enabled; -+ int nluns; -+}; -+ -+static atomic_t adb_enable_excl; -+static struct android_dev *_android_dev; -+ -+/* string IDs are assigned dynamically */ -+ -+#define STRING_MANUFACTURER_IDX 0 -+#define STRING_PRODUCT_IDX 1 -+#define STRING_SERIAL_IDX 2 -+ -+/* String Table */ -+static struct usb_string strings_dev[] = { -+ /* These dummy values should be overridden by platform data */ -+ [STRING_MANUFACTURER_IDX].s = "Android", -+ [STRING_PRODUCT_IDX].s = "Android", -+ [STRING_SERIAL_IDX].s = "0123456789ABCDEF", -+ { } /* end of list */ -+}; -+ -+static struct usb_gadget_strings stringtab_dev = { -+ .language = 0x0409, /* en-us */ -+ .strings = strings_dev, -+}; -+ -+static struct usb_gadget_strings *dev_strings[] = { -+ &stringtab_dev, -+ NULL, -+}; -+ -+static struct usb_device_descriptor device_desc = { -+ .bLength = sizeof(device_desc), -+ .bDescriptorType = USB_DT_DEVICE, -+ .bcdUSB = __constant_cpu_to_le16(0x0200), -+ .bDeviceClass = USB_CLASS_PER_INTERFACE, -+ .idVendor = __constant_cpu_to_le16(VENDOR_ID), -+ .idProduct = __constant_cpu_to_le16(PRODUCT_ID), -+ .bcdDevice = __constant_cpu_to_le16(0xffff), -+ .bNumConfigurations = 1, -+}; -+ -+static int __init android_bind_config(struct usb_configuration *c) -+{ -+ struct android_dev *dev = _android_dev; -+ int ret; -+ printk(KERN_DEBUG "android_bind_config\n"); -+ -+ ret = mass_storage_function_add(dev->cdev, c, dev->nluns); -+ if (ret) -+ return ret; -+ return adb_function_add(dev->cdev, c); -+} -+ -+static struct usb_configuration android_config_driver = { -+ .label = "android", -+ .bind = android_bind_config, -+ .bConfigurationValue = 1, -+ .bmAttributes = USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER, -+ .bMaxPower = 0x80, /* 250ma */ -+}; -+ -+static int __init android_bind(struct usb_composite_dev *cdev) -+{ -+ struct android_dev *dev = _android_dev; -+ struct usb_gadget *gadget = cdev->gadget; -+ int gcnum; -+ int id; -+ int ret; -+ -+ printk(KERN_INFO "android_bind\n"); -+ -+ /* Allocate string descriptor numbers ... note that string -+ * contents can be overridden by the composite_dev glue. -+ */ -+ id = usb_string_id(cdev); -+ if (id < 0) -+ return id; -+ strings_dev[STRING_MANUFACTURER_IDX].id = id; -+ device_desc.iManufacturer = id; -+ -+ id = usb_string_id(cdev); -+ if (id < 0) -+ return id; -+ strings_dev[STRING_PRODUCT_IDX].id = id; -+ device_desc.iProduct = id; -+ -+ id = usb_string_id(cdev); -+ if (id < 0) -+ return id; -+ strings_dev[STRING_SERIAL_IDX].id = id; -+ device_desc.iSerialNumber = id; -+ -+ if (gadget->ops->wakeup) -+ android_config_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP; -+ -+ /* register our configuration */ -+ ret = usb_add_config(cdev, &android_config_driver); -+ if (ret) { -+ printk(KERN_ERR "usb_add_config failed\n"); -+ return ret; -+ } -+ -+ gcnum = usb_gadget_controller_number(gadget); -+ if (gcnum >= 0) -+ device_desc.bcdDevice = cpu_to_le16(0x0200 + gcnum); -+ else { -+ /* gadget zero is so simple (for now, no altsettings) that -+ * it SHOULD NOT have problems with bulk-capable hardware. -+ * so just warn about unrcognized controllers -- don't panic. -+ * -+ * things like configuration and altsetting numbering -+ * can need hardware-specific attention though. -+ */ -+ pr_warning("%s: controller '%s' not recognized\n", -+ longname, gadget->name); -+ device_desc.bcdDevice = __constant_cpu_to_le16(0x9999); -+ } -+ -+ usb_gadget_set_selfpowered(gadget); -+ dev->cdev = cdev; -+ -+ return 0; -+} -+ -+static struct usb_composite_driver android_usb_driver = { -+ .name = "android_usb", -+ .dev = &device_desc, -+ .strings = dev_strings, -+ .bind = android_bind, -+}; -+ -+static void enable_adb(struct android_dev *dev, int enable) -+{ -+ if (enable != dev->adb_enabled) { -+ dev->adb_enabled = enable; -+ adb_function_enable(enable); -+ -+ /* set product ID to the appropriate value */ -+ if (enable) -+ device_desc.idProduct = -+ __constant_cpu_to_le16(dev->adb_product_id); -+ else -+ device_desc.idProduct = -+ __constant_cpu_to_le16(dev->product_id); -+ if (dev->cdev) -+ dev->cdev->desc.idProduct = device_desc.idProduct; -+ -+ /* force reenumeration */ -+ if (dev->cdev && dev->cdev->gadget && -+ dev->cdev->gadget->speed != USB_SPEED_UNKNOWN) { -+ usb_gadget_disconnect(dev->cdev->gadget); -+ msleep(10); -+ usb_gadget_connect(dev->cdev->gadget); -+ } -+ } -+} -+ -+static int adb_enable_open(struct inode *ip, struct file *fp) -+{ -+ if (atomic_inc_return(&adb_enable_excl) != 1) { -+ atomic_dec(&adb_enable_excl); -+ return -EBUSY; -+ } -+ -+ printk(KERN_INFO "enabling adb\n"); -+ enable_adb(_android_dev, 1); -+ -+ return 0; -+} -+ -+static int adb_enable_release(struct inode *ip, struct file *fp) -+{ -+ printk(KERN_INFO "disabling adb\n"); -+ enable_adb(_android_dev, 0); -+ atomic_dec(&adb_enable_excl); -+ return 0; -+} -+ -+static struct file_operations adb_enable_fops = { -+ .owner = THIS_MODULE, -+ .open = adb_enable_open, -+ .release = adb_enable_release, -+}; -+ -+static struct miscdevice adb_enable_device = { -+ .minor = MISC_DYNAMIC_MINOR, -+ .name = "android_adb_enable", -+ .fops = &adb_enable_fops, -+}; -+ -+static int __init android_probe(struct platform_device *pdev) -+{ -+ struct android_usb_platform_data *pdata = pdev->dev.platform_data; -+ struct android_dev *dev = _android_dev; -+ -+ printk(KERN_INFO "android_probe pdata: %p\n", pdata); -+ -+ if (pdata) { -+ if (pdata->vendor_id) -+ device_desc.idVendor = -+ __constant_cpu_to_le16(pdata->vendor_id); -+ if (pdata->product_id) { -+ dev->product_id = pdata->product_id; -+ device_desc.idProduct = -+ __constant_cpu_to_le16(pdata->product_id); -+ } -+ if (pdata->adb_product_id) -+ dev->adb_product_id = pdata->adb_product_id; -+ if (pdata->version) -+ dev->version = pdata->version; -+ -+ if (pdata->product_name) -+ strings_dev[STRING_PRODUCT_IDX].s = pdata->product_name; -+ if (pdata->manufacturer_name) -+ strings_dev[STRING_MANUFACTURER_IDX].s = -+ pdata->manufacturer_name; -+ if (pdata->serial_number) -+ strings_dev[STRING_SERIAL_IDX].s = pdata->serial_number; -+ dev->nluns = pdata->nluns; -+ } -+ -+ return 0; -+} -+ -+static struct platform_driver android_platform_driver = { -+ .driver = { .name = "android_usb", }, -+ .probe = android_probe, -+}; -+ -+static int __init init(void) -+{ -+ struct android_dev *dev; -+ int ret; -+ -+ printk(KERN_INFO "android init\n"); -+ -+ dev = kzalloc(sizeof(*dev), GFP_KERNEL); -+ if (!dev) -+ return -ENOMEM; -+ -+ /* set default values, which should be overridden by platform data */ -+ dev->product_id = PRODUCT_ID; -+ dev->adb_product_id = ADB_PRODUCT_ID; -+ _android_dev = dev; -+ -+ ret = platform_driver_register(&android_platform_driver); -+ if (ret) -+ return ret; -+ ret = misc_register(&adb_enable_device); -+ if (ret) { -+ platform_driver_unregister(&android_platform_driver); -+ return ret; -+ } -+ ret = usb_composite_register(&android_usb_driver); -+ if (ret) { -+ misc_deregister(&adb_enable_device); -+ platform_driver_unregister(&android_platform_driver); -+ } -+ return ret; -+} -+module_init(init); -+ -+static void __exit cleanup(void) -+{ -+ usb_composite_unregister(&android_usb_driver); -+ misc_deregister(&adb_enable_device); -+ platform_driver_unregister(&android_platform_driver); -+ kfree(_android_dev); -+ _android_dev = NULL; -+} -+module_exit(cleanup); ---- /dev/null -+++ b/drivers/usb/gadget/f_adb.c -@@ -0,0 +1,668 @@ -+/* -+ * Gadget Driver for Android ADB -+ * -+ * Copyright (C) 2008 Google, Inc. -+ * Author: Mike Lockwood <lockwood@android.com> -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+/* #define DEBUG */ -+/* #define VERBOSE_DEBUG */ -+ -+#include <linux/module.h> -+#include <linux/init.h> -+#include <linux/poll.h> -+#include <linux/delay.h> -+#include <linux/wait.h> -+#include <linux/err.h> -+#include <linux/interrupt.h> -+ -+#include <linux/types.h> -+#include <linux/device.h> -+#include <linux/miscdevice.h> -+ -+#include <linux/usb/ch9.h> -+#include <linux/usb/composite.h> -+#include <linux/usb/gadget.h> -+ -+#include "f_adb.h" -+ -+#define BULK_BUFFER_SIZE 4096 -+ -+/* number of rx and tx requests to allocate */ -+#define RX_REQ_MAX 4 -+#define TX_REQ_MAX 4 -+ -+static const char shortname[] = "android_adb"; -+ -+struct adb_dev { -+ struct usb_function function; -+ struct usb_composite_dev *cdev; -+ spinlock_t lock; -+ -+ struct usb_ep *ep_in; -+ struct usb_ep *ep_out; -+ -+ int online; -+ int error; -+ -+ atomic_t read_excl; -+ atomic_t write_excl; -+ atomic_t open_excl; -+ -+ struct list_head tx_idle; -+ struct list_head rx_idle; -+ struct list_head rx_done; -+ -+ wait_queue_head_t read_wq; -+ wait_queue_head_t write_wq; -+ -+ /* the request we're currently reading from */ -+ struct usb_request *read_req; -+ unsigned char *read_buf; -+ unsigned read_count; -+}; -+ -+static struct usb_interface_descriptor adb_interface_desc = { -+ .bLength = USB_DT_INTERFACE_SIZE, -+ .bDescriptorType = USB_DT_INTERFACE, -+ .bInterfaceNumber = 0, -+ .bNumEndpoints = 2, -+ .bInterfaceClass = 0xFF, -+ .bInterfaceSubClass = 0x42, -+ .bInterfaceProtocol = 1, -+}; -+ -+static struct usb_endpoint_descriptor adb_highspeed_in_desc = { -+ .bLength = USB_DT_ENDPOINT_SIZE, -+ .bDescriptorType = USB_DT_ENDPOINT, -+ .bEndpointAddress = USB_DIR_IN, -+ .bmAttributes = USB_ENDPOINT_XFER_BULK, -+ .wMaxPacketSize = __constant_cpu_to_le16(512), -+}; -+ -+static struct usb_endpoint_descriptor adb_highspeed_out_desc = { -+ .bLength = USB_DT_ENDPOINT_SIZE, -+ .bDescriptorType = USB_DT_ENDPOINT, -+ .bEndpointAddress = USB_DIR_OUT, -+ .bmAttributes = USB_ENDPOINT_XFER_BULK, -+ .wMaxPacketSize = __constant_cpu_to_le16(512), -+}; -+ -+static struct usb_endpoint_descriptor adb_fullspeed_in_desc = { -+ .bLength = USB_DT_ENDPOINT_SIZE, -+ .bDescriptorType = USB_DT_ENDPOINT, -+ .bEndpointAddress = USB_DIR_IN, -+ .bmAttributes = USB_ENDPOINT_XFER_BULK, -+}; -+ -+static struct usb_endpoint_descriptor adb_fullspeed_out_desc = { -+ .bLength = USB_DT_ENDPOINT_SIZE, -+ .bDescriptorType = USB_DT_ENDPOINT, -+ .bEndpointAddress = USB_DIR_OUT, -+ .bmAttributes = USB_ENDPOINT_XFER_BULK, -+}; -+ -+static struct usb_descriptor_header *fs_adb_descs[] = { -+ (struct usb_descriptor_header *) &adb_interface_desc, -+ (struct usb_descriptor_header *) &adb_fullspeed_in_desc, -+ (struct usb_descriptor_header *) &adb_fullspeed_out_desc, -+ NULL, -+}; -+ -+static struct usb_descriptor_header *hs_adb_descs[] = { -+ (struct usb_descriptor_header *) &adb_interface_desc, -+ (struct usb_descriptor_header *) &adb_highspeed_in_desc, -+ (struct usb_descriptor_header *) &adb_highspeed_out_desc, -+ NULL, -+}; -+ -+/* used when adb function is disabled */ -+static struct usb_descriptor_header *null_adb_descs[] = { -+ NULL, -+}; -+ -+ -+/* temporary variable used between adb_open() and adb_gadget_bind() */ -+static struct adb_dev *_adb_dev; -+ -+static inline struct adb_dev *func_to_dev(struct usb_function *f) -+{ -+ return container_of(f, struct adb_dev, function); -+} -+ -+ -+static struct usb_request *adb_request_new(struct usb_ep *ep, int buffer_size) -+{ -+ struct usb_request *req = usb_ep_alloc_request(ep, GFP_KERNEL); -+ if (!req) -+ return NULL; -+ -+ /* now allocate buffers for the requests */ -+ req->buf = kmalloc(buffer_size, GFP_KERNEL); -+ if (!req->buf) { -+ usb_ep_free_request(ep, req); -+ return NULL; -+ } -+ -+ return req; -+} -+ -+static void adb_request_free(struct usb_request *req, struct usb_ep *ep) -+{ -+ if (req) { -+ kfree(req->buf); -+ usb_ep_free_request(ep, req); -+ } -+} -+ -+static inline int _lock(atomic_t *excl) -+{ -+ if (atomic_inc_return(excl) == 1) { -+ return 0; -+ } else { -+ atomic_dec(excl); -+ return -1; -+ } -+} -+ -+static inline void _unlock(atomic_t *excl) -+{ -+ atomic_dec(excl); -+} -+ -+/* add a request to the tail of a list */ -+void req_put(struct adb_dev *dev, struct list_head *head, -+ struct usb_request *req) -+{ -+ unsigned long flags; -+ -+ spin_lock_irqsave(&dev->lock, flags); -+ list_add_tail(&req->list, head); -+ spin_unlock_irqrestore(&dev->lock, flags); -+} -+ -+/* remove a request from the head of a list */ -+struct usb_request *req_get(struct adb_dev *dev, struct list_head *head) -+{ -+ unsigned long flags; -+ struct usb_request *req; -+ -+ spin_lock_irqsave(&dev->lock, flags); -+ if (list_empty(head)) { -+ req = 0; -+ } else { -+ req = list_first_entry(head, struct usb_request, list); -+ list_del(&req->list); -+ } -+ spin_unlock_irqrestore(&dev->lock, flags); -+ return req; -+} -+ -+static void adb_complete_in(struct usb_ep *ep, struct usb_request *req) -+{ -+ struct adb_dev *dev = _adb_dev; -+ -+ if (req->status != 0) -+ dev->error = 1; -+ -+ req_put(dev, &dev->tx_idle, req); -+ -+ wake_up(&dev->write_wq); -+} -+ -+static void adb_complete_out(struct usb_ep *ep, struct usb_request *req) -+{ -+ struct adb_dev *dev = _adb_dev; -+ -+ if (req->status != 0) { -+ dev->error = 1; -+ req_put(dev, &dev->rx_idle, req); -+ } else { -+ req_put(dev, &dev->rx_done, req); -+ } -+ -+ wake_up(&dev->read_wq); -+} -+ -+static int __init create_bulk_endpoints(struct adb_dev *dev, -+ struct usb_endpoint_descriptor *in_desc, -+ struct usb_endpoint_descriptor *out_desc) -+{ -+ struct usb_composite_dev *cdev = dev->cdev; -+ struct usb_request *req; -+ struct usb_ep *ep; -+ int i; -+ -+ DBG(cdev, "create_bulk_endpoints dev: %p\n", dev); -+ -+ ep = usb_ep_autoconfig(cdev->gadget, in_desc); -+ if (!ep) { -+ DBG(cdev, "usb_ep_autoconfig for ep_in failed\n"); -+ return -ENODEV; -+ } -+ DBG(cdev, "usb_ep_autoconfig for ep_in got %s\n", ep->name); -+ dev->ep_in = ep; -+ -+ ep = usb_ep_autoconfig(cdev->gadget, out_desc); -+ if (!ep) { -+ DBG(cdev, "usb_ep_autoconfig for ep_out failed\n"); -+ return -ENODEV; -+ } -+ DBG(cdev, "usb_ep_autoconfig for adb ep_out got %s\n", ep->name); -+ dev->ep_out = ep; -+ -+ /* now allocate requests for our endpoints */ -+ for (i = 0; i < RX_REQ_MAX; i++) { -+ req = adb_request_new(dev->ep_out, BULK_BUFFER_SIZE); -+ if (!req) -+ goto fail; -+ req->complete = adb_complete_out; -+ req_put(dev, &dev->rx_idle, req); -+ } -+ -+ for (i = 0; i < TX_REQ_MAX; i++) { -+ req = adb_request_new(dev->ep_in, BULK_BUFFER_SIZE); -+ if (!req) -+ goto fail; -+ req->complete = adb_complete_in; -+ req_put(dev, &dev->tx_idle, req); -+ } -+ -+ return 0; -+ -+fail: -+ printk(KERN_ERR "adb_bind() could not allocate requests\n"); -+ return -1; -+} -+ -+static ssize_t adb_read(struct file *fp, char __user *buf, -+ size_t count, loff_t *pos) -+{ -+ struct adb_dev *dev = fp->private_data; -+ struct usb_composite_dev *cdev = dev->cdev; -+ struct usb_request *req; -+ int r = count, xfer; -+ int ret; -+ -+ DBG(cdev, "adb_read(%d)\n", count); -+ -+ if (_lock(&dev->read_excl)) -+ return -EBUSY; -+ -+ /* we will block until we're online */ -+ while (!(dev->online || dev->error)) { -+ DBG(cdev, "adb_read: waiting for online state\n"); -+ ret = wait_event_interruptible(dev->read_wq, -+ (dev->online || dev->error)); -+ if (ret < 0) { -+ _unlock(&dev->read_excl); -+ return ret; -+ } -+ } -+ -+ while (count > 0) { -+ if (dev->error) { -+ DBG(cdev, "adb_read dev->error\n"); -+ r = -EIO; -+ break; -+ } -+ -+ /* if we have idle read requests, get them queued */ -+ while ((req = req_get(dev, &dev->rx_idle))) { -+requeue_req: -+ req->length = BULK_BUFFER_SIZE; -+ ret = usb_ep_queue(dev->ep_out, req, GFP_ATOMIC); -+ -+ if (ret < 0) { -+ r = -EIO; -+ dev->error = 1; -+ req_put(dev, &dev->rx_idle, req); -+ goto fail; -+ } else { -+ DBG(cdev, "rx %p queue\n", req); -+ } -+ } -+ -+ /* if we have data pending, give it to userspace */ -+ if (dev->read_count > 0) { -+ if (dev->read_count < count) -+ xfer = dev->read_count; -+ else -+ xfer = count; -+ -+ if (copy_to_user(buf, dev->read_buf, xfer)) { -+ r = -EFAULT; -+ break; -+ } -+ dev->read_buf += xfer; -+ dev->read_count -= xfer; -+ buf += xfer; -+ count -= xfer; -+ -+ /* if we've emptied the buffer, release the request */ -+ if (dev->read_count == 0) { -+ req_put(dev, &dev->rx_idle, dev->read_req); -+ dev->read_req = 0; -+ } -+ continue; -+ } -+ -+ /* wait for a request to complete */ -+ req = 0; -+ ret = wait_event_interruptible(dev->read_wq, -+ ((req = req_get(dev, &dev->rx_done)) || dev->error)); -+ if (req != 0) { -+ /* if we got a 0-len one we need to put it back into -+ ** service. if we made it the current read req we'd -+ ** be stuck forever -+ */ -+ if (req->actual == 0) -+ goto requeue_req; -+ -+ dev->read_req = req; -+ dev->read_count = req->actual; -+ dev->read_buf = req->buf; -+ DBG(cdev, "rx %p %d\n", req, req->actual); -+ } -+ -+ if (ret < 0) { -+ r = ret; -+ break; -+ } -+ } -+ -+fail: -+ _unlock(&dev->read_excl); -+ DBG(cdev, "adb_read returning %d\n", r); -+ return r; -+} -+ -+static ssize_t adb_write(struct file *fp, const char __user *buf, -+ size_t count, loff_t *pos) -+{ -+ struct adb_dev *dev = fp->private_data; -+ struct usb_composite_dev *cdev = dev->cdev; -+ struct usb_request *req = 0; -+ int r = count, xfer; -+ int ret; -+ -+ DBG(cdev, "adb_write(%d)\n", count); -+ -+ if (_lock(&dev->write_excl)) -+ return -EBUSY; -+ -+ while (count > 0) { -+ if (dev->error) { -+ DBG(cdev, "adb_write dev->error\n"); -+ r = -EIO; -+ break; -+ } -+ -+ /* get an idle tx request to use */ -+ req = 0; -+ ret = wait_event_interruptible(dev->write_wq, -+ ((req = req_get(dev, &dev->tx_idle)) || dev->error)); -+ -+ if (ret < 0) { -+ r = ret; -+ break; -+ } -+ -+ if (req != 0) { -+ if (count > BULK_BUFFER_SIZE) -+ xfer = BULK_BUFFER_SIZE; -+ else -+ xfer = count; -+ if (copy_from_user(req->buf, buf, xfer)) { -+ r = -EFAULT; -+ break; -+ } -+ -+ req->length = xfer; -+ ret = usb_ep_queue(dev->ep_in, req, GFP_ATOMIC); -+ if (ret < 0) { -+ DBG(cdev, "adb_write: xfer error %d\n", ret); -+ dev->error = 1; -+ r = -EIO; -+ break; -+ } -+ -+ buf += xfer; -+ count -= xfer; -+ -+ /* zero this so we don't try to free it on error exit */ -+ req = 0; -+ } -+ } -+ -+ if (req) -+ req_put(dev, &dev->tx_idle, req); -+ -+ _unlock(&dev->write_excl); -+ DBG(cdev, "adb_write returning %d\n", r); -+ return r; -+} -+ -+static int adb_open(struct inode *ip, struct file *fp) -+{ -+ printk(KERN_INFO "adb_open\n"); -+ if (_lock(&_adb_dev->open_excl)) -+ return -EBUSY; -+ -+ fp->private_data = _adb_dev; -+ -+ /* clear the error latch */ -+ _adb_dev->error = 0; -+ -+ return 0; -+} -+ -+static int adb_release(struct inode *ip, struct file *fp) -+{ -+ printk(KERN_INFO "adb_release\n"); -+ _unlock(&_adb_dev->open_excl); -+ return 0; -+} -+ -+/* file operations for ADB device /dev/android_adb */ -+static struct file_operations adb_fops = { -+ .owner = THIS_MODULE, -+ .read = adb_read, -+ .write = adb_write, -+ .open = adb_open, -+ .release = adb_release, -+}; -+ -+static struct miscdevice adb_device = { -+ .minor = MISC_DYNAMIC_MINOR, -+ .name = shortname, -+ .fops = &adb_fops, -+}; -+ -+static int __init -+adb_function_bind(struct usb_configuration *c, struct usb_function *f) -+{ -+ struct usb_composite_dev *cdev = c->cdev; -+ struct adb_dev *dev = func_to_dev(f); -+ int id; -+ int ret; -+ -+ dev->cdev = cdev; -+ DBG(cdev, "adb_function_bind dev: %p\n", dev); -+ -+ /* allocate interface ID(s) */ -+ id = usb_interface_id(c, f); -+ if (id < 0) -+ return id; -+ adb_interface_desc.bInterfaceNumber = id; -+ -+ /* allocate endpoints */ -+ ret = create_bulk_endpoints(dev, &adb_fullspeed_in_desc, -+ &adb_fullspeed_out_desc); -+ if (ret) -+ return ret; -+ -+ /* support high speed hardware */ -+ if (gadget_is_dualspeed(c->cdev->gadget)) { -+ adb_highspeed_in_desc.bEndpointAddress = -+ adb_fullspeed_in_desc.bEndpointAddress; -+ adb_highspeed_out_desc.bEndpointAddress = -+ adb_fullspeed_out_desc.bEndpointAddress; -+ } -+ -+ DBG(cdev, "%s speed %s: IN/%s, OUT/%s\n", -+ gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full", -+ f->name, dev->ep_in->name, dev->ep_out->name); -+ return 0; -+} -+ -+static void -+adb_function_unbind(struct usb_configuration *c, struct usb_function *f) -+{ -+ struct adb_dev *dev = func_to_dev(f); -+ struct usb_request *req; -+ -+ spin_lock_irq(&dev->lock); -+ -+ while ((req = req_get(dev, &dev->rx_idle))) -+ adb_request_free(req, dev->ep_out); -+ while ((req = req_get(dev, &dev->tx_idle))) -+ adb_request_free(req, dev->ep_in); -+ -+ dev->online = 0; -+ dev->error = 1; -+ spin_unlock_irq(&dev->lock); -+ -+ misc_deregister(&adb_device); -+ kfree(_adb_dev); -+ _adb_dev = NULL; -+} -+ -+static int adb_function_set_alt(struct usb_function *f, -+ unsigned intf, unsigned alt) -+{ -+ struct adb_dev *dev = func_to_dev(f); -+ struct usb_composite_dev *cdev = f->config->cdev; -+ int ret; -+ -+ DBG(cdev, "adb_function_set_alt intf: %d alt: %d\n", intf, alt); -+ ret = usb_ep_enable(dev->ep_in, -+ ep_choose(cdev->gadget, -+ &adb_highspeed_in_desc, -+ &adb_fullspeed_in_desc)); -+ if (ret) -+ return ret; -+ ret = usb_ep_enable(dev->ep_out, -+ ep_choose(cdev->gadget, -+ &adb_highspeed_out_desc, -+ &adb_fullspeed_out_desc)); -+ if (ret) { -+ usb_ep_disable(dev->ep_in); -+ return ret; -+ } -+ dev->online = 1; -+ -+ /* readers may be blocked waiting for us to go online */ -+ wake_up(&dev->read_wq); -+ return 0; -+} -+ -+static void adb_function_disable(struct usb_function *f) -+{ -+ struct adb_dev *dev = func_to_dev(f); -+ struct usb_composite_dev *cdev = dev->cdev; -+ -+ DBG(cdev, "adb_function_disable\n"); -+ dev->online = 0; -+ dev->error = 1; -+ usb_ep_disable(dev->ep_in); -+ usb_ep_disable(dev->ep_out); -+ -+ /* readers may be blocked waiting for us to go online */ -+ wake_up(&dev->read_wq); -+ -+ VDBG(cdev, "%s disabled\n", dev->function.name); -+} -+ -+int __init adb_function_add(struct usb_composite_dev *cdev, -+ struct usb_configuration *c) -+{ -+ struct adb_dev *dev; -+ int ret; -+ -+ printk(KERN_INFO "adb_function_add\n"); -+ -+ dev = kzalloc(sizeof(*dev), GFP_KERNEL); -+ if (!dev) -+ return -ENOMEM; -+ -+ spin_lock_init(&dev->lock); -+ -+ init_waitqueue_head(&dev->read_wq); -+ init_waitqueue_head(&dev->write_wq); -+ -+ atomic_set(&dev->open_excl, 0); -+ atomic_set(&dev->read_excl, 0); -+ atomic_set(&dev->write_excl, 0); -+ -+ INIT_LIST_HEAD(&dev->rx_idle); -+ INIT_LIST_HEAD(&dev->rx_done); -+ INIT_LIST_HEAD(&dev->tx_idle); -+ -+ dev->cdev = cdev; -+ dev->function.name = "adb"; -+ dev->function.descriptors = null_adb_descs; -+ dev->function.hs_descriptors = null_adb_descs; -+ dev->function.bind = adb_function_bind; -+ dev->function.unbind = adb_function_unbind; -+ dev->function.set_alt = adb_function_set_alt; -+ dev->function.disable = adb_function_disable; -+ -+ /* _adb_dev must be set before calling usb_gadget_register_driver */ -+ _adb_dev = dev; -+ -+ ret = misc_register(&adb_device); -+ if (ret) -+ goto err1; -+ ret = usb_add_function(c, &dev->function); -+ if (ret) -+ goto err2; -+ -+ return 0; -+ -+err2: -+ misc_deregister(&adb_device); -+err1: -+ kfree(dev); -+ printk(KERN_ERR "adb gadget driver failed to initialize\n"); -+ return ret; -+} -+ -+void adb_function_enable(int enable) -+{ -+ struct adb_dev *dev = _adb_dev; -+ -+ if (dev) { -+ DBG(dev->cdev, "adb_function_enable(%s)\n", -+ enable ? "true" : "false"); -+ -+ if (enable) { -+ dev->function.descriptors = fs_adb_descs; -+ dev->function.hs_descriptors = hs_adb_descs; -+ } else { -+ dev->function.descriptors = null_adb_descs; -+ dev->function.hs_descriptors = null_adb_descs; -+ } -+ } -+} -+ ---- /dev/null -+++ b/drivers/usb/gadget/f_adb.h -@@ -0,0 +1,25 @@ -+/* -+ * Gadget Driver for Android ADB -+ * -+ * Copyright (C) 2008 Google, Inc. -+ * Author: Mike Lockwood <lockwood@android.com> -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#ifndef __F_ADB_H -+#define __F_ADB_H -+ -+int adb_function_add(struct usb_composite_dev *cdev, -+ struct usb_configuration *c); -+void adb_function_enable(int enable); -+ -+#endif /* __F_ADB_H */ ---- /dev/null -+++ b/drivers/usb/gadget/f_mass_storage.c -@@ -0,0 +1,2906 @@ -+/* -+ * drivers/usb/gadget/f_mass_storage.c -+ * -+ * Function Driver for USB Mass Storage -+ * -+ * Copyright (C) 2008 Google, Inc. -+ * Author: Mike Lockwood <lockwood@android.com> -+ * -+ * Based heavily on the file_storage gadget driver in -+ * drivers/usb/gadget/file_storage.c and licensed under the same terms: -+ * -+ * Copyright (C) 2003-2007 Alan Stern -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions, and the following disclaimer, -+ * without modification. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. The names of the above-listed copyright holders may not be used -+ * to endorse or promote products derived from this software without -+ * specific prior written permission. -+ * -+ * ALTERNATIVELY, this software may be distributed under the terms of the -+ * GNU General Public License ("GPL") as published by the Free Software -+ * Foundation, either version 2 of that License or (at your option) any -+ * later version. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS -+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, -+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR -+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR -+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -+ */ -+ -+/* #define DEBUG */ -+/* #define VERBOSE_DEBUG */ -+/* #define DUMP_MSGS */ -+ -+ -+#include <linux/blkdev.h> -+#include <linux/completion.h> -+#include <linux/dcache.h> -+#include <linux/delay.h> -+#include <linux/device.h> -+#include <linux/fcntl.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/kref.h> -+#include <linux/kthread.h> -+#include <linux/limits.h> -+#include <linux/rwsem.h> -+#include <linux/slab.h> -+#include <linux/spinlock.h> -+#include <linux/string.h> -+#include <linux/switch.h> -+#include <linux/freezer.h> -+#include <linux/utsname.h> -+#include <linux/wakelock.h> -+ -+#include <linux/usb_usual.h> -+#include <linux/usb/ch9.h> -+#include <linux/usb/composite.h> -+#include <linux/usb/gadget.h> -+ -+#include "f_mass_storage.h" -+#include "gadget_chips.h" -+ -+ -+#define BULK_BUFFER_SIZE 4096 -+ -+/*-------------------------------------------------------------------------*/ -+ -+#define DRIVER_NAME "usb_mass_storage" -+#define MAX_LUNS 8 -+ -+static const char shortname[] = DRIVER_NAME; -+ -+#ifdef DEBUG -+#define LDBG(lun, fmt, args...) \ -+ dev_dbg(&(lun)->dev , fmt , ## args) -+#define MDBG(fmt,args...) \ -+ printk(KERN_DEBUG DRIVER_NAME ": " fmt , ## args) -+#else -+#define LDBG(lun, fmt, args...) \ -+ do { } while (0) -+#define MDBG(fmt,args...) \ -+ do { } while (0) -+#undef VERBOSE_DEBUG -+#undef DUMP_MSGS -+#endif /* DEBUG */ -+ -+#ifdef VERBOSE_DEBUG -+#define VLDBG LDBG -+#else -+#define VLDBG(lun, fmt, args...) \ -+ do { } while (0) -+#endif /* VERBOSE_DEBUG */ -+ -+#define LERROR(lun, fmt, args...) \ -+ dev_err(&(lun)->dev , fmt , ## args) -+#define LWARN(lun, fmt, args...) \ -+ dev_warn(&(lun)->dev , fmt , ## args) -+#define LINFO(lun, fmt, args...) \ -+ dev_info(&(lun)->dev , fmt , ## args) -+ -+#define MINFO(fmt,args...) \ -+ printk(KERN_INFO DRIVER_NAME ": " fmt , ## args) -+ -+#undef DBG -+#undef VDBG -+#undef ERROR -+#undef WARNING -+#undef INFO -+#define DBG(d, fmt, args...) \ -+ dev_dbg(&(d)->cdev->gadget->dev , fmt , ## args) -+#define VDBG(d, fmt, args...) \ -+ dev_vdbg(&(d)->cdev->gadget->dev , fmt , ## args) -+#define ERROR(d, fmt, args...) \ -+ dev_err(&(d)->cdev->gadget->dev , fmt , ## args) -+#define WARNING(d, fmt, args...) \ -+ dev_warn(&(d)->cdev->gadget->dev , fmt , ## args) -+#define INFO(d, fmt, args...) \ -+ dev_info(&(d)->cdev->gadget->dev , fmt , ## args) -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* Bulk-only data structures */ -+ -+/* Command Block Wrapper */ -+struct bulk_cb_wrap { -+ __le32 Signature; /* Contains 'USBC' */ -+ u32 Tag; /* Unique per command id */ -+ __le32 DataTransferLength; /* Size of the data */ -+ u8 Flags; /* Direction in bit 7 */ -+ u8 Lun; /* LUN (normally 0) */ -+ u8 Length; /* Of the CDB, <= MAX_COMMAND_SIZE */ -+ u8 CDB[16]; /* Command Data Block */ -+}; -+ -+#define USB_BULK_CB_WRAP_LEN 31 -+#define USB_BULK_CB_SIG 0x43425355 /* Spells out USBC */ -+#define USB_BULK_IN_FLAG 0x80 -+ -+/* Command Status Wrapper */ -+struct bulk_cs_wrap { -+ __le32 Signature; /* Should = 'USBS' */ -+ u32 Tag; /* Same as original command */ -+ __le32 Residue; /* Amount not transferred */ -+ u8 Status; /* See below */ -+}; -+ -+#define USB_BULK_CS_WRAP_LEN 13 -+#define USB_BULK_CS_SIG 0x53425355 /* Spells out 'USBS' */ -+#define USB_STATUS_PASS 0 -+#define USB_STATUS_FAIL 1 -+#define USB_STATUS_PHASE_ERROR 2 -+ -+/* Bulk-only class specific requests */ -+#define USB_BULK_RESET_REQUEST 0xff -+#define USB_BULK_GET_MAX_LUN_REQUEST 0xfe -+ -+/* Length of a SCSI Command Data Block */ -+#define MAX_COMMAND_SIZE 16 -+ -+/* SCSI commands that we recognize */ -+#define SC_FORMAT_UNIT 0x04 -+#define SC_INQUIRY 0x12 -+#define SC_MODE_SELECT_6 0x15 -+#define SC_MODE_SELECT_10 0x55 -+#define SC_MODE_SENSE_6 0x1a -+#define SC_MODE_SENSE_10 0x5a -+#define SC_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e -+#define SC_READ_6 0x08 -+#define SC_READ_10 0x28 -+#define SC_READ_12 0xa8 -+#define SC_READ_CAPACITY 0x25 -+#define SC_READ_FORMAT_CAPACITIES 0x23 -+#define SC_RELEASE 0x17 -+#define SC_REQUEST_SENSE 0x03 -+#define SC_RESERVE 0x16 -+#define SC_SEND_DIAGNOSTIC 0x1d -+#define SC_START_STOP_UNIT 0x1b -+#define SC_SYNCHRONIZE_CACHE 0x35 -+#define SC_TEST_UNIT_READY 0x00 -+#define SC_VERIFY 0x2f -+#define SC_WRITE_6 0x0a -+#define SC_WRITE_10 0x2a -+#define SC_WRITE_12 0xaa -+ -+/* SCSI Sense Key/Additional Sense Code/ASC Qualifier values */ -+#define SS_NO_SENSE 0 -+#define SS_COMMUNICATION_FAILURE 0x040800 -+#define SS_INVALID_COMMAND 0x052000 -+#define SS_INVALID_FIELD_IN_CDB 0x052400 -+#define SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE 0x052100 -+#define SS_LOGICAL_UNIT_NOT_SUPPORTED 0x052500 -+#define SS_MEDIUM_NOT_PRESENT 0x023a00 -+#define SS_MEDIUM_REMOVAL_PREVENTED 0x055302 -+#define SS_NOT_READY_TO_READY_TRANSITION 0x062800 -+#define SS_RESET_OCCURRED 0x062900 -+#define SS_SAVING_PARAMETERS_NOT_SUPPORTED 0x053900 -+#define SS_UNRECOVERED_READ_ERROR 0x031100 -+#define SS_WRITE_ERROR 0x030c02 -+#define SS_WRITE_PROTECTED 0x072700 -+ -+#define SK(x) ((u8) ((x) >> 16)) /* Sense Key byte, etc. */ -+#define ASC(x) ((u8) ((x) >> 8)) -+#define ASCQ(x) ((u8) (x)) -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+struct lun { -+ struct file *filp; -+ loff_t file_length; -+ loff_t num_sectors; -+ -+ unsigned int ro : 1; -+ unsigned int prevent_medium_removal : 1; -+ unsigned int registered : 1; -+ unsigned int info_valid : 1; -+ -+ u32 sense_data; -+ u32 sense_data_info; -+ u32 unit_attention_data; -+ -+ struct device dev; -+}; -+ -+#define backing_file_is_open(curlun) ((curlun)->filp != NULL) -+ -+ -+static struct lun *dev_to_lun(struct device *dev) -+{ -+ return container_of(dev, struct lun, dev); -+} -+ -+/* Big enough to hold our biggest descriptor */ -+#define EP0_BUFSIZE 256 -+#define DELAYED_STATUS (EP0_BUFSIZE + 999) /* An impossibly large value */ -+ -+/* Number of buffers we will use. 2 is enough for double-buffering */ -+#define NUM_BUFFERS 2 -+ -+enum fsg_buffer_state { -+ BUF_STATE_EMPTY = 0, -+ BUF_STATE_FULL, -+ BUF_STATE_BUSY -+}; -+ -+struct fsg_buffhd { -+ void *buf; -+ enum fsg_buffer_state state; -+ struct fsg_buffhd *next; -+ -+ /* The NetChip 2280 is faster, and handles some protocol faults -+ * better, if we don't submit any short bulk-out read requests. -+ * So we will record the intended request length here. */ -+ unsigned int bulk_out_intended_length; -+ -+ struct usb_request *inreq; -+ int inreq_busy; -+ struct usb_request *outreq; -+ int outreq_busy; -+}; -+ -+enum fsg_state { -+ /* This one isn't used anywhere */ -+ FSG_STATE_COMMAND_PHASE = -10, -+ -+ FSG_STATE_DATA_PHASE, -+ FSG_STATE_STATUS_PHASE, -+ -+ FSG_STATE_IDLE = 0, -+ FSG_STATE_ABORT_BULK_OUT, -+ FSG_STATE_RESET, -+ FSG_STATE_CONFIG_CHANGE, -+ FSG_STATE_EXIT, -+ FSG_STATE_TERMINATED -+}; -+ -+enum data_direction { -+ DATA_DIR_UNKNOWN = 0, -+ DATA_DIR_FROM_HOST, -+ DATA_DIR_TO_HOST, -+ DATA_DIR_NONE -+}; -+ -+struct fsg_dev { -+ struct usb_function function; -+ struct usb_composite_dev *cdev; -+ -+ /* lock protects: state and all the req_busy's */ -+ spinlock_t lock; -+ -+ /* filesem protects: backing files in use */ -+ struct rw_semaphore filesem; -+ -+ /* reference counting: wait until all LUNs are released */ -+ struct kref ref; -+ -+ unsigned int bulk_out_maxpacket; -+ enum fsg_state state; /* For exception handling */ -+ -+ u8 config, new_config; -+ -+ unsigned int running : 1; -+ unsigned int bulk_in_enabled : 1; -+ unsigned int bulk_out_enabled : 1; -+ unsigned int phase_error : 1; -+ unsigned int short_packet_received : 1; -+ unsigned int bad_lun_okay : 1; -+ -+ unsigned long atomic_bitflags; -+#define REGISTERED 0 -+#define CLEAR_BULK_HALTS 1 -+#define SUSPENDED 2 -+ -+ struct usb_ep *bulk_in; -+ struct usb_ep *bulk_out; -+ -+ struct fsg_buffhd *next_buffhd_to_fill; -+ struct fsg_buffhd *next_buffhd_to_drain; -+ struct fsg_buffhd buffhds[NUM_BUFFERS]; -+ -+ int thread_wakeup_needed; -+ struct completion thread_notifier; -+ struct task_struct *thread_task; -+ -+ int cmnd_size; -+ u8 cmnd[MAX_COMMAND_SIZE]; -+ enum data_direction data_dir; -+ u32 data_size; -+ u32 data_size_from_cmnd; -+ u32 tag; -+ unsigned int lun; -+ u32 residue; -+ u32 usb_amount_left; -+ -+ unsigned int nluns; -+ struct lun *luns; -+ struct lun *curlun; -+ -+ u32 buf_size; -+ const char *vendor; -+ const char *product; -+ int release; -+ -+ struct switch_dev sdev; -+ -+ struct wake_lock wake_lock; -+}; -+ -+static inline struct fsg_dev *func_to_dev(struct usb_function *f) -+{ -+ return container_of(f, struct fsg_dev, function); -+} -+ -+static int exception_in_progress(struct fsg_dev *fsg) -+{ -+ return (fsg->state > FSG_STATE_IDLE); -+} -+ -+/* Make bulk-out requests be divisible by the maxpacket size */ -+static void set_bulk_out_req_length(struct fsg_dev *fsg, -+ struct fsg_buffhd *bh, unsigned int length) -+{ -+ unsigned int rem; -+ -+ bh->bulk_out_intended_length = length; -+ rem = length % fsg->bulk_out_maxpacket; -+ if (rem > 0) -+ length += fsg->bulk_out_maxpacket - rem; -+ bh->outreq->length = length; -+} -+ -+static struct fsg_dev *the_fsg; -+ -+static void close_backing_file(struct fsg_dev *fsg, struct lun *curlun); -+static void close_all_backing_files(struct fsg_dev *fsg); -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+#ifdef DUMP_MSGS -+ -+static void dump_msg(struct fsg_dev *fsg, const char *label, -+ const u8 *buf, unsigned int length) -+{ -+ if (length < 512) { -+ DBG(fsg, "%s, length %u:\n", label, length); -+ print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, -+ 16, 1, buf, length, 0); -+ } -+} -+ -+static void dump_cdb(struct fsg_dev *fsg) -+{} -+ -+#else -+ -+static void dump_msg(struct fsg_dev *fsg, const char *label, -+ const u8 *buf, unsigned int length) -+{} -+ -+#ifdef VERBOSE_DEBUG -+ -+static void dump_cdb(struct fsg_dev *fsg) -+{ -+ print_hex_dump(KERN_DEBUG, "SCSI CDB: ", DUMP_PREFIX_NONE, -+ 16, 1, fsg->cmnd, fsg->cmnd_size, 0); -+} -+ -+#else -+ -+static void dump_cdb(struct fsg_dev *fsg) -+{} -+ -+#endif /* VERBOSE_DEBUG */ -+#endif /* DUMP_MSGS */ -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* Routines for unaligned data access */ -+ -+static u16 get_be16(u8 *buf) -+{ -+ return ((u16) buf[0] << 8) | ((u16) buf[1]); -+} -+ -+static u32 get_be32(u8 *buf) -+{ -+ return ((u32) buf[0] << 24) | ((u32) buf[1] << 16) | -+ ((u32) buf[2] << 8) | ((u32) buf[3]); -+} -+ -+static void put_be16(u8 *buf, u16 val) -+{ -+ buf[0] = val >> 8; -+ buf[1] = val; -+} -+ -+static void put_be32(u8 *buf, u32 val) -+{ -+ buf[0] = val >> 24; -+ buf[1] = val >> 16; -+ buf[2] = val >> 8; -+ buf[3] = val & 0xff; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* -+ * DESCRIPTORS ... most are static, but strings and (full) configuration -+ * descriptors are built on demand. Also the (static) config and interface -+ * descriptors are adjusted during fsg_bind(). -+ */ -+ -+/* There is only one interface. */ -+ -+static struct usb_interface_descriptor -+intf_desc = { -+ .bLength = sizeof intf_desc, -+ .bDescriptorType = USB_DT_INTERFACE, -+ -+ .bNumEndpoints = 2, /* Adjusted during fsg_bind() */ -+ .bInterfaceClass = USB_CLASS_MASS_STORAGE, -+ .bInterfaceSubClass = US_SC_SCSI, -+ .bInterfaceProtocol = US_PR_BULK, -+}; -+ -+/* Three full-speed endpoint descriptors: bulk-in, bulk-out, -+ * and interrupt-in. */ -+ -+static struct usb_endpoint_descriptor -+fs_bulk_in_desc = { -+ .bLength = USB_DT_ENDPOINT_SIZE, -+ .bDescriptorType = USB_DT_ENDPOINT, -+ -+ .bEndpointAddress = USB_DIR_IN, -+ .bmAttributes = USB_ENDPOINT_XFER_BULK, -+ /* wMaxPacketSize set by autoconfiguration */ -+}; -+ -+static struct usb_endpoint_descriptor -+fs_bulk_out_desc = { -+ .bLength = USB_DT_ENDPOINT_SIZE, -+ .bDescriptorType = USB_DT_ENDPOINT, -+ -+ .bEndpointAddress = USB_DIR_OUT, -+ .bmAttributes = USB_ENDPOINT_XFER_BULK, -+ /* wMaxPacketSize set by autoconfiguration */ -+}; -+ -+static struct usb_descriptor_header *fs_function[] = { -+ (struct usb_descriptor_header *) &intf_desc, -+ (struct usb_descriptor_header *) &fs_bulk_in_desc, -+ (struct usb_descriptor_header *) &fs_bulk_out_desc, -+ NULL, -+}; -+#define FS_FUNCTION_PRE_EP_ENTRIES 2 -+ -+ -+static struct usb_endpoint_descriptor -+hs_bulk_in_desc = { -+ .bLength = USB_DT_ENDPOINT_SIZE, -+ .bDescriptorType = USB_DT_ENDPOINT, -+ -+ /* bEndpointAddress copied from fs_bulk_in_desc during fsg_bind() */ -+ .bmAttributes = USB_ENDPOINT_XFER_BULK, -+ .wMaxPacketSize = __constant_cpu_to_le16(512), -+}; -+ -+static struct usb_endpoint_descriptor -+hs_bulk_out_desc = { -+ .bLength = USB_DT_ENDPOINT_SIZE, -+ .bDescriptorType = USB_DT_ENDPOINT, -+ -+ /* bEndpointAddress copied from fs_bulk_out_desc during fsg_bind() */ -+ .bmAttributes = USB_ENDPOINT_XFER_BULK, -+ .wMaxPacketSize = __constant_cpu_to_le16(512), -+ .bInterval = 1, /* NAK every 1 uframe */ -+}; -+ -+ -+static struct usb_descriptor_header *hs_function[] = { -+ (struct usb_descriptor_header *) &intf_desc, -+ (struct usb_descriptor_header *) &hs_bulk_in_desc, -+ (struct usb_descriptor_header *) &hs_bulk_out_desc, -+ NULL, -+}; -+ -+/* Maxpacket and other transfer characteristics vary by speed. */ -+static struct usb_endpoint_descriptor * -+ep_desc(struct usb_gadget *g, struct usb_endpoint_descriptor *fs, -+ struct usb_endpoint_descriptor *hs) -+{ -+ if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH) -+ return hs; -+ return fs; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* These routines may be called in process context or in_irq */ -+ -+/* Caller must hold fsg->lock */ -+static void wakeup_thread(struct fsg_dev *fsg) -+{ -+ /* Tell the main thread that something has happened */ -+ fsg->thread_wakeup_needed = 1; -+ if (fsg->thread_task) -+ wake_up_process(fsg->thread_task); -+} -+ -+ -+static void raise_exception(struct fsg_dev *fsg, enum fsg_state new_state) -+{ -+ unsigned long flags; -+ -+ DBG(fsg, "raise_exception %d\n", (int)new_state); -+ /* Do nothing if a higher-priority exception is already in progress. -+ * If a lower-or-equal priority exception is in progress, preempt it -+ * and notify the main thread by sending it a signal. */ -+ spin_lock_irqsave(&fsg->lock, flags); -+ if (fsg->state <= new_state) { -+ fsg->state = new_state; -+ if (fsg->thread_task) -+ send_sig_info(SIGUSR1, SEND_SIG_FORCED, -+ fsg->thread_task); -+ } -+ spin_unlock_irqrestore(&fsg->lock, flags); -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* Bulk and interrupt endpoint completion handlers. -+ * These always run in_irq. */ -+ -+static void bulk_in_complete(struct usb_ep *ep, struct usb_request *req) -+{ -+ struct fsg_dev *fsg = ep->driver_data; -+ struct fsg_buffhd *bh = req->context; -+ -+ if (req->status || req->actual != req->length) -+ DBG(fsg, "%s --> %d, %u/%u\n", __func__, -+ req->status, req->actual, req->length); -+ -+ /* Hold the lock while we update the request and buffer states */ -+ smp_wmb(); -+ spin_lock(&fsg->lock); -+ bh->inreq_busy = 0; -+ bh->state = BUF_STATE_EMPTY; -+ wakeup_thread(fsg); -+ spin_unlock(&fsg->lock); -+} -+ -+static void bulk_out_complete(struct usb_ep *ep, struct usb_request *req) -+{ -+ struct fsg_dev *fsg = ep->driver_data; -+ struct fsg_buffhd *bh = req->context; -+ -+ dump_msg(fsg, "bulk-out", req->buf, req->actual); -+ if (req->status || req->actual != bh->bulk_out_intended_length) -+ DBG(fsg, "%s --> %d, %u/%u\n", __func__, -+ req->status, req->actual, -+ bh->bulk_out_intended_length); -+ -+ /* Hold the lock while we update the request and buffer states */ -+ smp_wmb(); -+ spin_lock(&fsg->lock); -+ bh->outreq_busy = 0; -+ bh->state = BUF_STATE_FULL; -+ wakeup_thread(fsg); -+ spin_unlock(&fsg->lock); -+} -+ -+static int fsg_function_setup(struct usb_function *f, -+ const struct usb_ctrlrequest *ctrl) -+{ -+ struct fsg_dev *fsg = func_to_dev(f); -+ struct usb_composite_dev *cdev = fsg->cdev; -+ int value = -EOPNOTSUPP; -+ u16 w_index = le16_to_cpu(ctrl->wIndex); -+ u16 w_value = le16_to_cpu(ctrl->wValue); -+ u16 w_length = le16_to_cpu(ctrl->wLength); -+ -+ DBG(fsg, "fsg_function_setup\n"); -+ /* Handle Bulk-only class-specific requests */ -+ if ((ctrl->bRequestType & USB_TYPE_MASK) == USB_TYPE_CLASS) { -+ DBG(fsg, "USB_TYPE_CLASS\n"); -+ switch (ctrl->bRequest) { -+ case USB_BULK_RESET_REQUEST: -+ if (ctrl->bRequestType != (USB_DIR_OUT | -+ USB_TYPE_CLASS | USB_RECIP_INTERFACE)) -+ break; -+ if (w_index != 0 || w_value != 0) { -+ value = -EDOM; -+ break; -+ } -+ -+ /* Raise an exception to stop the current operation -+ * and reinitialize our state. */ -+ DBG(fsg, "bulk reset request\n"); -+ raise_exception(fsg, FSG_STATE_RESET); -+ value = DELAYED_STATUS; -+ break; -+ -+ case USB_BULK_GET_MAX_LUN_REQUEST: -+ if (ctrl->bRequestType != (USB_DIR_IN | -+ USB_TYPE_CLASS | USB_RECIP_INTERFACE)) -+ break; -+ if (w_index != 0 || w_value != 0) { -+ value = -EDOM; -+ break; -+ } -+ VDBG(fsg, "get max LUN\n"); -+ *(u8 *)cdev->req->buf = fsg->nluns - 1; -+ value = 1; -+ break; -+ } -+ } -+ -+ if (value == -EOPNOTSUPP) -+ VDBG(fsg, -+ "unknown class-specific control req " -+ "%02x.%02x v%04x i%04x l%u\n", -+ ctrl->bRequestType, ctrl->bRequest, -+ le16_to_cpu(ctrl->wValue), w_index, w_length); -+ return value; -+} -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* All the following routines run in process context */ -+ -+ -+/* Use this for bulk or interrupt transfers, not ep0 */ -+static void start_transfer(struct fsg_dev *fsg, struct usb_ep *ep, -+ struct usb_request *req, int *pbusy, -+ enum fsg_buffer_state *state) -+{ -+ int rc; -+ -+ DBG(fsg, "start_transfer req: %p, req->buf: %p\n", req, req->buf); -+ if (ep == fsg->bulk_in) -+ dump_msg(fsg, "bulk-in", req->buf, req->length); -+ -+ spin_lock_irq(&fsg->lock); -+ *pbusy = 1; -+ *state = BUF_STATE_BUSY; -+ spin_unlock_irq(&fsg->lock); -+ rc = usb_ep_queue(ep, req, GFP_KERNEL); -+ if (rc != 0) { -+ *pbusy = 0; -+ *state = BUF_STATE_EMPTY; -+ -+ /* We can't do much more than wait for a reset */ -+ -+ /* Note: currently the net2280 driver fails zero-length -+ * submissions if DMA is enabled. */ -+ if (rc != -ESHUTDOWN && !(rc == -EOPNOTSUPP && -+ req->length == 0)) -+ WARN(fsg, "error in submission: %s --> %d\n", -+ (ep == fsg->bulk_in ? "bulk-in" : "bulk-out"), -+ rc); -+ } -+} -+ -+ -+static int sleep_thread(struct fsg_dev *fsg) -+{ -+ int rc = 0; -+ -+ /* Wait until a signal arrives or we are woken up */ -+ for (;;) { -+ try_to_freeze(); -+ set_current_state(TASK_INTERRUPTIBLE); -+ if (signal_pending(current)) { -+ rc = -EINTR; -+ break; -+ } -+ if (fsg->thread_wakeup_needed) -+ break; -+ schedule(); -+ } -+ __set_current_state(TASK_RUNNING); -+ fsg->thread_wakeup_needed = 0; -+ return rc; -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+static int do_read(struct fsg_dev *fsg) -+{ -+ struct lun *curlun = fsg->curlun; -+ u32 lba; -+ struct fsg_buffhd *bh; -+ int rc; -+ u32 amount_left; -+ loff_t file_offset, file_offset_tmp; -+ unsigned int amount; -+ unsigned int partial_page; -+ ssize_t nread; -+ -+ /* Get the starting Logical Block Address and check that it's -+ * not too big */ -+ if (fsg->cmnd[0] == SC_READ_6) -+ lba = (fsg->cmnd[1] << 16) | get_be16(&fsg->cmnd[2]); -+ else { -+ lba = get_be32(&fsg->cmnd[2]); -+ -+ /* We allow DPO (Disable Page Out = don't save data in the -+ * cache) and FUA (Force Unit Access = don't read from the -+ * cache), but we don't implement them. */ -+ if ((fsg->cmnd[1] & ~0x18) != 0) { -+ curlun->sense_data = SS_INVALID_FIELD_IN_CDB; -+ return -EINVAL; -+ } -+ } -+ if (lba >= curlun->num_sectors) { -+ curlun->sense_data = SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE; -+ return -EINVAL; -+ } -+ file_offset = ((loff_t) lba) << 9; -+ -+ /* Carry out the file reads */ -+ amount_left = fsg->data_size_from_cmnd; -+ if (unlikely(amount_left == 0)) -+ return -EIO; /* No default reply */ -+ -+ for (;;) { -+ -+ /* Figure out how much we need to read: -+ * Try to read the remaining amount. -+ * But don't read more than the buffer size. -+ * And don't try to read past the end of the file. -+ * Finally, if we're not at a page boundary, don't read past -+ * the next page. -+ * If this means reading 0 then we were asked to read past -+ * the end of file. */ -+ amount = min((unsigned int) amount_left, -+ (unsigned int)fsg->buf_size); -+ amount = min((loff_t) amount, -+ curlun->file_length - file_offset); -+ partial_page = file_offset & (PAGE_CACHE_SIZE - 1); -+ if (partial_page > 0) -+ amount = min(amount, (unsigned int) PAGE_CACHE_SIZE - -+ partial_page); -+ -+ /* Wait for the next buffer to become available */ -+ bh = fsg->next_buffhd_to_fill; -+ while (bh->state != BUF_STATE_EMPTY) { -+ rc = sleep_thread(fsg); -+ if (rc) -+ return rc; -+ } -+ -+ /* If we were asked to read past the end of file, -+ * end with an empty buffer. */ -+ if (amount == 0) { -+ curlun->sense_data = -+ SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE; -+ curlun->sense_data_info = file_offset >> 9; -+ curlun->info_valid = 1; -+ bh->inreq->length = 0; -+ bh->state = BUF_STATE_FULL; -+ break; -+ } -+ -+ /* Perform the read */ -+ file_offset_tmp = file_offset; -+ nread = vfs_read(curlun->filp, -+ (char __user *) bh->buf, -+ amount, &file_offset_tmp); -+ VLDBG(curlun, "file read %u @ %llu -> %d\n", amount, -+ (unsigned long long) file_offset, -+ (int) nread); -+ if (signal_pending(current)) -+ return -EINTR; -+ -+ if (nread < 0) { -+ LDBG(curlun, "error in file read: %d\n", -+ (int) nread); -+ nread = 0; -+ } else if (nread < amount) { -+ LDBG(curlun, "partial file read: %d/%u\n", -+ (int) nread, amount); -+ nread -= (nread & 511); /* Round down to a block */ -+ } -+ file_offset += nread; -+ amount_left -= nread; -+ fsg->residue -= nread; -+ bh->inreq->length = nread; -+ bh->state = BUF_STATE_FULL; -+ -+ /* If an error occurred, report it and its position */ -+ if (nread < amount) { -+ curlun->sense_data = SS_UNRECOVERED_READ_ERROR; -+ curlun->sense_data_info = file_offset >> 9; -+ curlun->info_valid = 1; -+ break; -+ } -+ -+ if (amount_left == 0) -+ break; /* No more left to read */ -+ -+ /* Send this buffer and go read some more */ -+ start_transfer(fsg, fsg->bulk_in, bh->inreq, -+ &bh->inreq_busy, &bh->state); -+ fsg->next_buffhd_to_fill = bh->next; -+ } -+ -+ return -EIO; /* No default reply */ -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+static int do_write(struct fsg_dev *fsg) -+{ -+ struct lun *curlun = fsg->curlun; -+ u32 lba; -+ struct fsg_buffhd *bh; -+ int get_some_more; -+ u32 amount_left_to_req, amount_left_to_write; -+ loff_t usb_offset, file_offset, file_offset_tmp; -+ unsigned int amount; -+ unsigned int partial_page; -+ ssize_t nwritten; -+ int rc; -+ -+ if (curlun->ro) { -+ curlun->sense_data = SS_WRITE_PROTECTED; -+ return -EINVAL; -+ } -+ curlun->filp->f_flags &= ~O_SYNC; /* Default is not to wait */ -+ -+ /* Get the starting Logical Block Address and check that it's -+ * not too big */ -+ if (fsg->cmnd[0] == SC_WRITE_6) -+ lba = (fsg->cmnd[1] << 16) | get_be16(&fsg->cmnd[2]); -+ else { -+ lba = get_be32(&fsg->cmnd[2]); -+ -+ /* We allow DPO (Disable Page Out = don't save data in the -+ * cache) and FUA (Force Unit Access = write directly to the -+ * medium). We don't implement DPO; we implement FUA by -+ * performing synchronous output. */ -+ if ((fsg->cmnd[1] & ~0x18) != 0) { -+ curlun->sense_data = SS_INVALID_FIELD_IN_CDB; -+ return -EINVAL; -+ } -+ if (fsg->cmnd[1] & 0x08) /* FUA */ -+ curlun->filp->f_flags |= O_SYNC; -+ } -+ if (lba >= curlun->num_sectors) { -+ curlun->sense_data = SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE; -+ return -EINVAL; -+ } -+ -+ /* Carry out the file writes */ -+ get_some_more = 1; -+ file_offset = usb_offset = ((loff_t) lba) << 9; -+ amount_left_to_req = amount_left_to_write = fsg->data_size_from_cmnd; -+ -+ while (amount_left_to_write > 0) { -+ -+ /* Queue a request for more data from the host */ -+ bh = fsg->next_buffhd_to_fill; -+ if (bh->state == BUF_STATE_EMPTY && get_some_more) { -+ -+ /* Figure out how much we want to get: -+ * Try to get the remaining amount. -+ * But don't get more than the buffer size. -+ * And don't try to go past the end of the file. -+ * If we're not at a page boundary, -+ * don't go past the next page. -+ * If this means getting 0, then we were asked -+ * to write past the end of file. -+ * Finally, round down to a block boundary. */ -+ amount = min(amount_left_to_req, (u32)fsg->buf_size); -+ amount = min((loff_t) amount, curlun->file_length - -+ usb_offset); -+ partial_page = usb_offset & (PAGE_CACHE_SIZE - 1); -+ if (partial_page > 0) -+ amount = min(amount, -+ (unsigned int) PAGE_CACHE_SIZE - partial_page); -+ -+ if (amount == 0) { -+ get_some_more = 0; -+ curlun->sense_data = -+ SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE; -+ curlun->sense_data_info = usb_offset >> 9; -+ curlun->info_valid = 1; -+ continue; -+ } -+ amount -= (amount & 511); -+ if (amount == 0) { -+ -+ /* Why were we were asked to transfer a -+ * partial block? */ -+ get_some_more = 0; -+ continue; -+ } -+ -+ /* Get the next buffer */ -+ usb_offset += amount; -+ fsg->usb_amount_left -= amount; -+ amount_left_to_req -= amount; -+ if (amount_left_to_req == 0) -+ get_some_more = 0; -+ -+ /* amount is always divisible by 512, hence by -+ * the bulk-out maxpacket size */ -+ bh->outreq->length = bh->bulk_out_intended_length = -+ amount; -+ start_transfer(fsg, fsg->bulk_out, bh->outreq, -+ &bh->outreq_busy, &bh->state); -+ fsg->next_buffhd_to_fill = bh->next; -+ continue; -+ } -+ -+ /* Write the received data to the backing file */ -+ bh = fsg->next_buffhd_to_drain; -+ if (bh->state == BUF_STATE_EMPTY && !get_some_more) -+ break; /* We stopped early */ -+ if (bh->state == BUF_STATE_FULL) { -+ smp_rmb(); -+ fsg->next_buffhd_to_drain = bh->next; -+ bh->state = BUF_STATE_EMPTY; -+ -+ /* Did something go wrong with the transfer? */ -+ if (bh->outreq->status != 0) { -+ curlun->sense_data = SS_COMMUNICATION_FAILURE; -+ curlun->sense_data_info = file_offset >> 9; -+ curlun->info_valid = 1; -+ break; -+ } -+ -+ amount = bh->outreq->actual; -+ if (curlun->file_length - file_offset < amount) { -+ LERROR(curlun, -+ "write %u @ %llu beyond end %llu\n", -+ amount, (unsigned long long) file_offset, -+ (unsigned long long) curlun->file_length); -+ amount = curlun->file_length - file_offset; -+ } -+ -+ /* Perform the write */ -+ file_offset_tmp = file_offset; -+ nwritten = vfs_write(curlun->filp, -+ (char __user *) bh->buf, -+ amount, &file_offset_tmp); -+ VLDBG(curlun, "file write %u @ %llu -> %d\n", amount, -+ (unsigned long long) file_offset, -+ (int) nwritten); -+ if (signal_pending(current)) -+ return -EINTR; /* Interrupted! */ -+ -+ if (nwritten < 0) { -+ LDBG(curlun, "error in file write: %d\n", -+ (int) nwritten); -+ nwritten = 0; -+ } else if (nwritten < amount) { -+ LDBG(curlun, "partial file write: %d/%u\n", -+ (int) nwritten, amount); -+ nwritten -= (nwritten & 511); -+ /* Round down to a block */ -+ } -+ file_offset += nwritten; -+ amount_left_to_write -= nwritten; -+ fsg->residue -= nwritten; -+ -+ /* If an error occurred, report it and its position */ -+ if (nwritten < amount) { -+ curlun->sense_data = SS_WRITE_ERROR; -+ curlun->sense_data_info = file_offset >> 9; -+ curlun->info_valid = 1; -+ break; -+ } -+ -+ /* Did the host decide to stop early? */ -+ if (bh->outreq->actual != bh->outreq->length) { -+ fsg->short_packet_received = 1; -+ break; -+ } -+ continue; -+ } -+ -+ /* Wait for something to happen */ -+ rc = sleep_thread(fsg); -+ if (rc) -+ return rc; -+ } -+ -+ return -EIO; /* No default reply */ -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* Sync the file data, don't bother with the metadata. -+ * The caller must own fsg->filesem. -+ * This code was copied from fs/buffer.c:sys_fdatasync(). */ -+static int fsync_sub(struct lun *curlun) -+{ -+ struct file *filp = curlun->filp; -+ struct inode *inode; -+ int rc, err; -+ -+ if (curlun->ro || !filp) -+ return 0; -+ if (!filp->f_op->fsync) -+ return -EINVAL; -+ -+ inode = filp->f_path.dentry->d_inode; -+ mutex_lock(&inode->i_mutex); -+ rc = filemap_fdatawrite(inode->i_mapping); -+ err = filp->f_op->fsync(filp, filp->f_path.dentry, 1); -+ if (!rc) -+ rc = err; -+ err = filemap_fdatawait(inode->i_mapping); -+ if (!rc) -+ rc = err; -+ mutex_unlock(&inode->i_mutex); -+ VLDBG(curlun, "fdatasync -> %d\n", rc); -+ return rc; -+} -+ -+static void fsync_all(struct fsg_dev *fsg) -+{ -+ int i; -+ -+ for (i = 0; i < fsg->nluns; ++i) -+ fsync_sub(&fsg->luns[i]); -+} -+ -+static int do_synchronize_cache(struct fsg_dev *fsg) -+{ -+ struct lun *curlun = fsg->curlun; -+ int rc; -+ -+ /* We ignore the requested LBA and write out all file's -+ * dirty data buffers. */ -+ rc = fsync_sub(curlun); -+ if (rc) -+ curlun->sense_data = SS_WRITE_ERROR; -+ return 0; -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+static void invalidate_sub(struct lun *curlun) -+{ -+ struct file *filp = curlun->filp; -+ struct inode *inode = filp->f_path.dentry->d_inode; -+ unsigned long rc; -+ -+ rc = invalidate_mapping_pages(inode->i_mapping, 0, -1); -+ VLDBG(curlun, "invalidate_inode_pages -> %ld\n", rc); -+} -+ -+static int do_verify(struct fsg_dev *fsg) -+{ -+ struct lun *curlun = fsg->curlun; -+ u32 lba; -+ u32 verification_length; -+ struct fsg_buffhd *bh = fsg->next_buffhd_to_fill; -+ loff_t file_offset, file_offset_tmp; -+ u32 amount_left; -+ unsigned int amount; -+ ssize_t nread; -+ -+ /* Get the starting Logical Block Address and check that it's -+ * not too big */ -+ lba = get_be32(&fsg->cmnd[2]); -+ if (lba >= curlun->num_sectors) { -+ curlun->sense_data = SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE; -+ return -EINVAL; -+ } -+ -+ /* We allow DPO (Disable Page Out = don't save data in the -+ * cache) but we don't implement it. */ -+ if ((fsg->cmnd[1] & ~0x10) != 0) { -+ curlun->sense_data = SS_INVALID_FIELD_IN_CDB; -+ return -EINVAL; -+ } -+ -+ verification_length = get_be16(&fsg->cmnd[7]); -+ if (unlikely(verification_length == 0)) -+ return -EIO; /* No default reply */ -+ -+ /* Prepare to carry out the file verify */ -+ amount_left = verification_length << 9; -+ file_offset = ((loff_t) lba) << 9; -+ -+ /* Write out all the dirty buffers before invalidating them */ -+ fsync_sub(curlun); -+ if (signal_pending(current)) -+ return -EINTR; -+ -+ invalidate_sub(curlun); -+ if (signal_pending(current)) -+ return -EINTR; -+ -+ /* Just try to read the requested blocks */ -+ while (amount_left > 0) { -+ -+ /* Figure out how much we need to read: -+ * Try to read the remaining amount, but not more than -+ * the buffer size. -+ * And don't try to read past the end of the file. -+ * If this means reading 0 then we were asked to read -+ * past the end of file. */ -+ amount = min((unsigned int) amount_left, -+ (unsigned int)fsg->buf_size); -+ amount = min((loff_t) amount, -+ curlun->file_length - file_offset); -+ if (amount == 0) { -+ curlun->sense_data = -+ SS_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE; -+ curlun->sense_data_info = file_offset >> 9; -+ curlun->info_valid = 1; -+ break; -+ } -+ -+ /* Perform the read */ -+ file_offset_tmp = file_offset; -+ nread = vfs_read(curlun->filp, -+ (char __user *) bh->buf, -+ amount, &file_offset_tmp); -+ VLDBG(curlun, "file read %u @ %llu -> %d\n", amount, -+ (unsigned long long) file_offset, -+ (int) nread); -+ if (signal_pending(current)) -+ return -EINTR; -+ -+ if (nread < 0) { -+ LDBG(curlun, "error in file verify: %d\n", -+ (int) nread); -+ nread = 0; -+ } else if (nread < amount) { -+ LDBG(curlun, "partial file verify: %d/%u\n", -+ (int) nread, amount); -+ nread -= (nread & 511); /* Round down to a sector */ -+ } -+ if (nread == 0) { -+ curlun->sense_data = SS_UNRECOVERED_READ_ERROR; -+ curlun->sense_data_info = file_offset >> 9; -+ curlun->info_valid = 1; -+ break; -+ } -+ file_offset += nread; -+ amount_left -= nread; -+ } -+ return 0; -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+static int do_inquiry(struct fsg_dev *fsg, struct fsg_buffhd *bh) -+{ -+ u8 *buf = (u8 *) bh->buf; -+ -+ if (!fsg->curlun) { /* Unsupported LUNs are okay */ -+ fsg->bad_lun_okay = 1; -+ memset(buf, 0, 36); -+ buf[0] = 0x7f; /* Unsupported, no device-type */ -+ return 36; -+ } -+ -+ memset(buf, 0, 8); /* Non-removable, direct-access device */ -+ -+ buf[1] = 0x80; /* set removable bit */ -+ buf[2] = 2; /* ANSI SCSI level 2 */ -+ buf[3] = 2; /* SCSI-2 INQUIRY data format */ -+ buf[4] = 31; /* Additional length */ -+ /* No special options */ -+ sprintf(buf + 8, "%-8s%-16s%04x", fsg->vendor, -+ fsg->product, fsg->release); -+ return 36; -+} -+ -+ -+static int do_request_sense(struct fsg_dev *fsg, struct fsg_buffhd *bh) -+{ -+ struct lun *curlun = fsg->curlun; -+ u8 *buf = (u8 *) bh->buf; -+ u32 sd, sdinfo; -+ int valid; -+ -+ /* -+ * From the SCSI-2 spec., section 7.9 (Unit attention condition): -+ * -+ * If a REQUEST SENSE command is received from an initiator -+ * with a pending unit attention condition (before the target -+ * generates the contingent allegiance condition), then the -+ * target shall either: -+ * a) report any pending sense data and preserve the unit -+ * attention condition on the logical unit, or, -+ * b) report the unit attention condition, may discard any -+ * pending sense data, and clear the unit attention -+ * condition on the logical unit for that initiator. -+ * -+ * FSG normally uses option a); enable this code to use option b). -+ */ -+#if 0 -+ if (curlun && curlun->unit_attention_data != SS_NO_SENSE) { -+ curlun->sense_data = curlun->unit_attention_data; -+ curlun->unit_attention_data = SS_NO_SENSE; -+ } -+#endif -+ -+ if (!curlun) { /* Unsupported LUNs are okay */ -+ fsg->bad_lun_okay = 1; -+ sd = SS_LOGICAL_UNIT_NOT_SUPPORTED; -+ sdinfo = 0; -+ valid = 0; -+ } else { -+ sd = curlun->sense_data; -+ sdinfo = curlun->sense_data_info; -+ valid = curlun->info_valid << 7; -+ curlun->sense_data = SS_NO_SENSE; -+ curlun->sense_data_info = 0; -+ curlun->info_valid = 0; -+ } -+ -+ memset(buf, 0, 18); -+ buf[0] = valid | 0x70; /* Valid, current error */ -+ buf[2] = SK(sd); -+ put_be32(&buf[3], sdinfo); /* Sense information */ -+ buf[7] = 18 - 8; /* Additional sense length */ -+ buf[12] = ASC(sd); -+ buf[13] = ASCQ(sd); -+ return 18; -+} -+ -+ -+static int do_read_capacity(struct fsg_dev *fsg, struct fsg_buffhd *bh) -+{ -+ struct lun *curlun = fsg->curlun; -+ u32 lba = get_be32(&fsg->cmnd[2]); -+ int pmi = fsg->cmnd[8]; -+ u8 *buf = (u8 *) bh->buf; -+ -+ /* Check the PMI and LBA fields */ -+ if (pmi > 1 || (pmi == 0 && lba != 0)) { -+ curlun->sense_data = SS_INVALID_FIELD_IN_CDB; -+ return -EINVAL; -+ } -+ -+ put_be32(&buf[0], curlun->num_sectors - 1); /* Max logical block */ -+ put_be32(&buf[4], 512); /* Block length */ -+ return 8; -+} -+ -+ -+static int do_mode_sense(struct fsg_dev *fsg, struct fsg_buffhd *bh) -+{ -+ struct lun *curlun = fsg->curlun; -+ int mscmnd = fsg->cmnd[0]; -+ u8 *buf = (u8 *) bh->buf; -+ u8 *buf0 = buf; -+ int pc, page_code; -+ int changeable_values, all_pages; -+ int valid_page = 0; -+ int len, limit; -+ -+ if ((fsg->cmnd[1] & ~0x08) != 0) { /* Mask away DBD */ -+ curlun->sense_data = SS_INVALID_FIELD_IN_CDB; -+ return -EINVAL; -+ } -+ pc = fsg->cmnd[2] >> 6; -+ page_code = fsg->cmnd[2] & 0x3f; -+ if (pc == 3) { -+ curlun->sense_data = SS_SAVING_PARAMETERS_NOT_SUPPORTED; -+ return -EINVAL; -+ } -+ changeable_values = (pc == 1); -+ all_pages = (page_code == 0x3f); -+ -+ /* Write the mode parameter header. Fixed values are: default -+ * medium type, no cache control (DPOFUA), and no block descriptors. -+ * The only variable value is the WriteProtect bit. We will fill in -+ * the mode data length later. */ -+ memset(buf, 0, 8); -+ if (mscmnd == SC_MODE_SENSE_6) { -+ buf[2] = (curlun->ro ? 0x80 : 0x00); /* WP, DPOFUA */ -+ buf += 4; -+ limit = 255; -+ } else { /* SC_MODE_SENSE_10 */ -+ buf[3] = (curlun->ro ? 0x80 : 0x00); /* WP, DPOFUA */ -+ buf += 8; -+ limit = 65535; -+ } -+ -+ /* No block descriptors */ -+ -+ /* Disabled to workaround USB reset problems with a Vista host. -+ */ -+#if 0 -+ /* The mode pages, in numerical order. The only page we support -+ * is the Caching page. */ -+ if (page_code == 0x08 || all_pages) { -+ valid_page = 1; -+ buf[0] = 0x08; /* Page code */ -+ buf[1] = 10; /* Page length */ -+ memset(buf+2, 0, 10); /* None of the fields are changeable */ -+ -+ if (!changeable_values) { -+ buf[2] = 0x04; /* Write cache enable, */ -+ /* Read cache not disabled */ -+ /* No cache retention priorities */ -+ put_be16(&buf[4], 0xffff); /* Don't disable prefetch */ -+ /* Minimum prefetch = 0 */ -+ put_be16(&buf[8], 0xffff); /* Maximum prefetch */ -+ /* Maximum prefetch ceiling */ -+ put_be16(&buf[10], 0xffff); -+ } -+ buf += 12; -+ } -+#else -+ valid_page = 1; -+#endif -+ -+ /* Check that a valid page was requested and the mode data length -+ * isn't too long. */ -+ len = buf - buf0; -+ if (!valid_page || len > limit) { -+ curlun->sense_data = SS_INVALID_FIELD_IN_CDB; -+ return -EINVAL; -+ } -+ -+ /* Store the mode data length */ -+ if (mscmnd == SC_MODE_SENSE_6) -+ buf0[0] = len - 1; -+ else -+ put_be16(buf0, len - 2); -+ return len; -+} -+ -+static int do_start_stop(struct fsg_dev *fsg) -+{ -+ struct lun *curlun = fsg->curlun; -+ int loej, start; -+ -+ /* int immed = fsg->cmnd[1] & 0x01; */ -+ loej = fsg->cmnd[4] & 0x02; -+ start = fsg->cmnd[4] & 0x01; -+ -+ if (loej) { -+ /* eject request from the host */ -+ if (backing_file_is_open(curlun)) { -+ close_backing_file(fsg, curlun); -+ curlun->unit_attention_data = SS_MEDIUM_NOT_PRESENT; -+ } -+ } -+ -+ return 0; -+} -+ -+static int do_prevent_allow(struct fsg_dev *fsg) -+{ -+ struct lun *curlun = fsg->curlun; -+ int prevent; -+ -+ prevent = fsg->cmnd[4] & 0x01; -+ if ((fsg->cmnd[4] & ~0x01) != 0) { /* Mask away Prevent */ -+ curlun->sense_data = SS_INVALID_FIELD_IN_CDB; -+ return -EINVAL; -+ } -+ -+ if (curlun->prevent_medium_removal && !prevent) -+ fsync_sub(curlun); -+ curlun->prevent_medium_removal = prevent; -+ return 0; -+} -+ -+ -+static int do_read_format_capacities(struct fsg_dev *fsg, -+ struct fsg_buffhd *bh) -+{ -+ struct lun *curlun = fsg->curlun; -+ u8 *buf = (u8 *) bh->buf; -+ -+ buf[0] = buf[1] = buf[2] = 0; -+ buf[3] = 8; /* Only the Current/Maximum Capacity Descriptor */ -+ buf += 4; -+ -+ put_be32(&buf[0], curlun->num_sectors); /* Number of blocks */ -+ put_be32(&buf[4], 512); /* Block length */ -+ buf[4] = 0x02; /* Current capacity */ -+ return 12; -+} -+ -+ -+static int do_mode_select(struct fsg_dev *fsg, struct fsg_buffhd *bh) -+{ -+ struct lun *curlun = fsg->curlun; -+ -+ /* We don't support MODE SELECT */ -+ curlun->sense_data = SS_INVALID_COMMAND; -+ return -EINVAL; -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+#if 0 -+static int write_zero(struct fsg_dev *fsg) -+{ -+ struct fsg_buffhd *bh; -+ int rc; -+ -+ DBG(fsg, "write_zero\n"); -+ /* Wait for the next buffer to become available */ -+ bh = fsg->next_buffhd_to_fill; -+ while (bh->state != BUF_STATE_EMPTY) { -+ rc = sleep_thread(fsg); -+ if (rc) -+ return rc; -+ } -+ -+ bh->inreq->length = 0; -+ start_transfer(fsg, fsg->bulk_in, bh->inreq, -+ &bh->inreq_busy, &bh->state); -+ -+ fsg->next_buffhd_to_fill = bh->next; -+ return 0; -+} -+#endif -+ -+static int throw_away_data(struct fsg_dev *fsg) -+{ -+ struct fsg_buffhd *bh; -+ u32 amount; -+ int rc; -+ -+ DBG(fsg, "throw_away_data\n"); -+ while ((bh = fsg->next_buffhd_to_drain)->state != BUF_STATE_EMPTY || -+ fsg->usb_amount_left > 0) { -+ -+ /* Throw away the data in a filled buffer */ -+ if (bh->state == BUF_STATE_FULL) { -+ smp_rmb(); -+ bh->state = BUF_STATE_EMPTY; -+ fsg->next_buffhd_to_drain = bh->next; -+ -+ /* A short packet or an error ends everything */ -+ if (bh->outreq->actual != bh->outreq->length || -+ bh->outreq->status != 0) { -+ raise_exception(fsg, FSG_STATE_ABORT_BULK_OUT); -+ return -EINTR; -+ } -+ continue; -+ } -+ -+ /* Try to submit another request if we need one */ -+ bh = fsg->next_buffhd_to_fill; -+ if (bh->state == BUF_STATE_EMPTY && fsg->usb_amount_left > 0) { -+ amount = min(fsg->usb_amount_left, (u32) fsg->buf_size); -+ -+ /* amount is always divisible by 512, hence by -+ * the bulk-out maxpacket size */ -+ bh->outreq->length = bh->bulk_out_intended_length = -+ amount; -+ start_transfer(fsg, fsg->bulk_out, bh->outreq, -+ &bh->outreq_busy, &bh->state); -+ fsg->next_buffhd_to_fill = bh->next; -+ fsg->usb_amount_left -= amount; -+ continue; -+ } -+ -+ /* Otherwise wait for something to happen */ -+ rc = sleep_thread(fsg); -+ if (rc) -+ return rc; -+ } -+ return 0; -+} -+ -+ -+static int finish_reply(struct fsg_dev *fsg) -+{ -+ struct fsg_buffhd *bh = fsg->next_buffhd_to_fill; -+ int rc = 0; -+ -+ switch (fsg->data_dir) { -+ case DATA_DIR_NONE: -+ break; /* Nothing to send */ -+ -+ case DATA_DIR_UNKNOWN: -+ rc = -EINVAL; -+ break; -+ -+ /* All but the last buffer of data must have already been sent */ -+ case DATA_DIR_TO_HOST: -+ if (fsg->data_size == 0) -+ ; /* Nothing to send */ -+ -+ /* If there's no residue, simply send the last buffer */ -+ else if (fsg->residue == 0) { -+ start_transfer(fsg, fsg->bulk_in, bh->inreq, -+ &bh->inreq_busy, &bh->state); -+ fsg->next_buffhd_to_fill = bh->next; -+ } else { -+ start_transfer(fsg, fsg->bulk_in, bh->inreq, -+ &bh->inreq_busy, &bh->state); -+ fsg->next_buffhd_to_fill = bh->next; -+#if 0 -+ /* this is unnecessary, and was causing problems with MacOS */ -+ if (bh->inreq->length > 0) -+ write_zero(fsg); -+#endif -+ } -+ break; -+ -+ /* We have processed all we want from the data the host has sent. -+ * There may still be outstanding bulk-out requests. */ -+ case DATA_DIR_FROM_HOST: -+ if (fsg->residue == 0) -+ ; /* Nothing to receive */ -+ -+ /* Did the host stop sending unexpectedly early? */ -+ else if (fsg->short_packet_received) { -+ raise_exception(fsg, FSG_STATE_ABORT_BULK_OUT); -+ rc = -EINTR; -+ } -+ -+ /* We haven't processed all the incoming data. Even though -+ * we may be allowed to stall, doing so would cause a race. -+ * The controller may already have ACK'ed all the remaining -+ * bulk-out packets, in which case the host wouldn't see a -+ * STALL. Not realizing the endpoint was halted, it wouldn't -+ * clear the halt -- leading to problems later on. */ -+#if 0 -+ fsg_set_halt(fsg, fsg->bulk_out); -+ raise_exception(fsg, FSG_STATE_ABORT_BULK_OUT); -+ rc = -EINTR; -+#endif -+ -+ /* We can't stall. Read in the excess data and throw it -+ * all away. */ -+ else -+ rc = throw_away_data(fsg); -+ break; -+ } -+ return rc; -+} -+ -+ -+static int send_status(struct fsg_dev *fsg) -+{ -+ struct lun *curlun = fsg->curlun; -+ struct fsg_buffhd *bh; -+ int rc; -+ u8 status = USB_STATUS_PASS; -+ u32 sd, sdinfo = 0; -+ struct bulk_cs_wrap *csw; -+ -+ DBG(fsg, "send_status\n"); -+ /* Wait for the next buffer to become available */ -+ bh = fsg->next_buffhd_to_fill; -+ while (bh->state != BUF_STATE_EMPTY) { -+ rc = sleep_thread(fsg); -+ if (rc) -+ return rc; -+ } -+ -+ if (curlun) { -+ sd = curlun->sense_data; -+ sdinfo = curlun->sense_data_info; -+ } else if (fsg->bad_lun_okay) -+ sd = SS_NO_SENSE; -+ else -+ sd = SS_LOGICAL_UNIT_NOT_SUPPORTED; -+ -+ if (fsg->phase_error) { -+ DBG(fsg, "sending phase-error status\n"); -+ status = USB_STATUS_PHASE_ERROR; -+ sd = SS_INVALID_COMMAND; -+ } else if (sd != SS_NO_SENSE) { -+ DBG(fsg, "sending command-failure status\n"); -+ status = USB_STATUS_FAIL; -+ VDBG(fsg, " sense data: SK x%02x, ASC x%02x, ASCQ x%02x;" -+ " info x%x\n", -+ SK(sd), ASC(sd), ASCQ(sd), sdinfo); -+ } -+ -+ csw = bh->buf; -+ -+ /* Store and send the Bulk-only CSW */ -+ csw->Signature = __constant_cpu_to_le32(USB_BULK_CS_SIG); -+ csw->Tag = fsg->tag; -+ csw->Residue = cpu_to_le32(fsg->residue); -+ csw->Status = status; -+ -+ bh->inreq->length = USB_BULK_CS_WRAP_LEN; -+ start_transfer(fsg, fsg->bulk_in, bh->inreq, -+ &bh->inreq_busy, &bh->state); -+ -+ fsg->next_buffhd_to_fill = bh->next; -+ return 0; -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* Check whether the command is properly formed and whether its data size -+ * and direction agree with the values we already have. */ -+static int check_command(struct fsg_dev *fsg, int cmnd_size, -+ enum data_direction data_dir, unsigned int mask, -+ int needs_medium, const char *name) -+{ -+ int i; -+ int lun = fsg->cmnd[1] >> 5; -+ static const char dirletter[4] = {'u', 'o', 'i', 'n'}; -+ char hdlen[20]; -+ struct lun *curlun; -+ -+ hdlen[0] = 0; -+ if (fsg->data_dir != DATA_DIR_UNKNOWN) -+ sprintf(hdlen, ", H%c=%u", dirletter[(int) fsg->data_dir], -+ fsg->data_size); -+ VDBG(fsg, "SCSI command: %s; Dc=%d, D%c=%u; Hc=%d%s\n", -+ name, cmnd_size, dirletter[(int) data_dir], -+ fsg->data_size_from_cmnd, fsg->cmnd_size, hdlen); -+ -+ /* We can't reply at all until we know the correct data direction -+ * and size. */ -+ if (fsg->data_size_from_cmnd == 0) -+ data_dir = DATA_DIR_NONE; -+ if (fsg->data_dir == DATA_DIR_UNKNOWN) { /* CB or CBI */ -+ fsg->data_dir = data_dir; -+ fsg->data_size = fsg->data_size_from_cmnd; -+ -+ } else { /* Bulk-only */ -+ if (fsg->data_size < fsg->data_size_from_cmnd) { -+ -+ /* Host data size < Device data size is a phase error. -+ * Carry out the command, but only transfer as much -+ * as we are allowed. */ -+ DBG(fsg, "phase error 1\n"); -+ fsg->data_size_from_cmnd = fsg->data_size; -+ fsg->phase_error = 1; -+ } -+ } -+ fsg->residue = fsg->usb_amount_left = fsg->data_size; -+ -+ /* Conflicting data directions is a phase error */ -+ if (fsg->data_dir != data_dir && fsg->data_size_from_cmnd > 0) { -+ fsg->phase_error = 1; -+ DBG(fsg, "phase error 2\n"); -+ return -EINVAL; -+ } -+ -+ /* Verify the length of the command itself */ -+ if (cmnd_size != fsg->cmnd_size) { -+ -+ /* Special case workaround: MS-Windows issues REQUEST SENSE -+ * with cbw->Length == 12 (it should be 6). */ -+ if (fsg->cmnd[0] == SC_REQUEST_SENSE && fsg->cmnd_size == 12) -+ cmnd_size = fsg->cmnd_size; -+ else { -+ fsg->phase_error = 1; -+ return -EINVAL; -+ } -+ } -+ -+ /* Check that the LUN values are consistent */ -+ if (fsg->lun != lun) -+ DBG(fsg, "using LUN %d from CBW, " -+ "not LUN %d from CDB\n", -+ fsg->lun, lun); -+ -+ /* Check the LUN */ -+ if (fsg->lun >= 0 && fsg->lun < fsg->nluns) { -+ fsg->curlun = curlun = &fsg->luns[fsg->lun]; -+ if (fsg->cmnd[0] != SC_REQUEST_SENSE) { -+ curlun->sense_data = SS_NO_SENSE; -+ curlun->sense_data_info = 0; -+ curlun->info_valid = 0; -+ } -+ } else { -+ fsg->curlun = curlun = NULL; -+ fsg->bad_lun_okay = 0; -+ -+ /* INQUIRY and REQUEST SENSE commands are explicitly allowed -+ * to use unsupported LUNs; all others may not. */ -+ if (fsg->cmnd[0] != SC_INQUIRY && -+ fsg->cmnd[0] != SC_REQUEST_SENSE) { -+ DBG(fsg, "unsupported LUN %d\n", fsg->lun); -+ return -EINVAL; -+ } -+ } -+ -+ /* If a unit attention condition exists, only INQUIRY and -+ * REQUEST SENSE commands are allowed; anything else must fail. */ -+ if (curlun && curlun->unit_attention_data != SS_NO_SENSE && -+ fsg->cmnd[0] != SC_INQUIRY && -+ fsg->cmnd[0] != SC_REQUEST_SENSE) { -+ curlun->sense_data = curlun->unit_attention_data; -+ curlun->unit_attention_data = SS_NO_SENSE; -+ return -EINVAL; -+ } -+ -+ /* Check that only command bytes listed in the mask are non-zero */ -+ fsg->cmnd[1] &= 0x1f; /* Mask away the LUN */ -+ for (i = 1; i < cmnd_size; ++i) { -+ if (fsg->cmnd[i] && !(mask & (1 << i))) { -+ if (curlun) -+ curlun->sense_data = SS_INVALID_FIELD_IN_CDB; -+ DBG(fsg, "SS_INVALID_FIELD_IN_CDB\n"); -+ return -EINVAL; -+ } -+ } -+ -+ /* If the medium isn't mounted and the command needs to access -+ * it, return an error. */ -+ if (curlun && !backing_file_is_open(curlun) && needs_medium) { -+ curlun->sense_data = SS_MEDIUM_NOT_PRESENT; -+ DBG(fsg, "SS_MEDIUM_NOT_PRESENT\n"); -+ return -EINVAL; -+ } -+ -+ return 0; -+} -+ -+ -+static int do_scsi_command(struct fsg_dev *fsg) -+{ -+ struct fsg_buffhd *bh; -+ int rc; -+ int reply = -EINVAL; -+ int i; -+ static char unknown[16]; -+ -+ dump_cdb(fsg); -+ -+ /* Wait for the next buffer to become available for data or status */ -+ bh = fsg->next_buffhd_to_drain = fsg->next_buffhd_to_fill; -+ while (bh->state != BUF_STATE_EMPTY) { -+ rc = sleep_thread(fsg); -+ if (rc) -+ return rc; -+ } -+ fsg->phase_error = 0; -+ fsg->short_packet_received = 0; -+ -+ down_read(&fsg->filesem); /* We're using the backing file */ -+ switch (fsg->cmnd[0]) { -+ -+ case SC_INQUIRY: -+ fsg->data_size_from_cmnd = fsg->cmnd[4]; -+ if ((reply = check_command(fsg, 6, DATA_DIR_TO_HOST, -+ (1<<4), 0, -+ "INQUIRY")) == 0) -+ reply = do_inquiry(fsg, bh); -+ break; -+ -+ case SC_MODE_SELECT_6: -+ fsg->data_size_from_cmnd = fsg->cmnd[4]; -+ if ((reply = check_command(fsg, 6, DATA_DIR_FROM_HOST, -+ (1<<1) | (1<<4), 0, -+ "MODE SELECT(6)")) == 0) -+ reply = do_mode_select(fsg, bh); -+ break; -+ -+ case SC_MODE_SELECT_10: -+ fsg->data_size_from_cmnd = get_be16(&fsg->cmnd[7]); -+ if ((reply = check_command(fsg, 10, DATA_DIR_FROM_HOST, -+ (1<<1) | (3<<7), 0, -+ "MODE SELECT(10)")) == 0) -+ reply = do_mode_select(fsg, bh); -+ break; -+ -+ case SC_MODE_SENSE_6: -+ fsg->data_size_from_cmnd = fsg->cmnd[4]; -+ if ((reply = check_command(fsg, 6, DATA_DIR_TO_HOST, -+ (1<<1) | (1<<2) | (1<<4), 0, -+ "MODE SENSE(6)")) == 0) -+ reply = do_mode_sense(fsg, bh); -+ break; -+ -+ case SC_MODE_SENSE_10: -+ fsg->data_size_from_cmnd = get_be16(&fsg->cmnd[7]); -+ if ((reply = check_command(fsg, 10, DATA_DIR_TO_HOST, -+ (1<<1) | (1<<2) | (3<<7), 0, -+ "MODE SENSE(10)")) == 0) -+ reply = do_mode_sense(fsg, bh); -+ break; -+ -+ case SC_PREVENT_ALLOW_MEDIUM_REMOVAL: -+ fsg->data_size_from_cmnd = 0; -+ if ((reply = check_command(fsg, 6, DATA_DIR_NONE, -+ (1<<4), 0, -+ "PREVENT-ALLOW MEDIUM REMOVAL")) == 0) -+ reply = do_prevent_allow(fsg); -+ break; -+ -+ case SC_READ_6: -+ i = fsg->cmnd[4]; -+ fsg->data_size_from_cmnd = (i == 0 ? 256 : i) << 9; -+ if ((reply = check_command(fsg, 6, DATA_DIR_TO_HOST, -+ (7<<1) | (1<<4), 1, -+ "READ(6)")) == 0) -+ reply = do_read(fsg); -+ break; -+ -+ case SC_READ_10: -+ fsg->data_size_from_cmnd = get_be16(&fsg->cmnd[7]) << 9; -+ if ((reply = check_command(fsg, 10, DATA_DIR_TO_HOST, -+ (1<<1) | (0xf<<2) | (3<<7), 1, -+ "READ(10)")) == 0) -+ reply = do_read(fsg); -+ break; -+ -+ case SC_READ_12: -+ fsg->data_size_from_cmnd = get_be32(&fsg->cmnd[6]) << 9; -+ if ((reply = check_command(fsg, 12, DATA_DIR_TO_HOST, -+ (1<<1) | (0xf<<2) | (0xf<<6), 1, -+ "READ(12)")) == 0) -+ reply = do_read(fsg); -+ break; -+ -+ case SC_READ_CAPACITY: -+ fsg->data_size_from_cmnd = 8; -+ if ((reply = check_command(fsg, 10, DATA_DIR_TO_HOST, -+ (0xf<<2) | (1<<8), 1, -+ "READ CAPACITY")) == 0) -+ reply = do_read_capacity(fsg, bh); -+ break; -+ -+ case SC_READ_FORMAT_CAPACITIES: -+ fsg->data_size_from_cmnd = get_be16(&fsg->cmnd[7]); -+ if ((reply = check_command(fsg, 10, DATA_DIR_TO_HOST, -+ (3<<7), 1, -+ "READ FORMAT CAPACITIES")) == 0) -+ reply = do_read_format_capacities(fsg, bh); -+ break; -+ -+ case SC_REQUEST_SENSE: -+ fsg->data_size_from_cmnd = fsg->cmnd[4]; -+ if ((reply = check_command(fsg, 6, DATA_DIR_TO_HOST, -+ (1<<4), 0, -+ "REQUEST SENSE")) == 0) -+ reply = do_request_sense(fsg, bh); -+ break; -+ -+ case SC_START_STOP_UNIT: -+ fsg->data_size_from_cmnd = 0; -+ if ((reply = check_command(fsg, 6, DATA_DIR_NONE, -+ (1<<1) | (1<<4), 0, -+ "START-STOP UNIT")) == 0) -+ reply = do_start_stop(fsg); -+ break; -+ -+ case SC_SYNCHRONIZE_CACHE: -+ fsg->data_size_from_cmnd = 0; -+ if ((reply = check_command(fsg, 10, DATA_DIR_NONE, -+ (0xf<<2) | (3<<7), 1, -+ "SYNCHRONIZE CACHE")) == 0) -+ reply = do_synchronize_cache(fsg); -+ break; -+ -+ case SC_TEST_UNIT_READY: -+ fsg->data_size_from_cmnd = 0; -+ reply = check_command(fsg, 6, DATA_DIR_NONE, -+ 0, 1, -+ "TEST UNIT READY"); -+ break; -+ -+ /* Although optional, this command is used by MS-Windows. We -+ * support a minimal version: BytChk must be 0. */ -+ case SC_VERIFY: -+ fsg->data_size_from_cmnd = 0; -+ if ((reply = check_command(fsg, 10, DATA_DIR_NONE, -+ (1<<1) | (0xf<<2) | (3<<7), 1, -+ "VERIFY")) == 0) -+ reply = do_verify(fsg); -+ break; -+ -+ case SC_WRITE_6: -+ i = fsg->cmnd[4]; -+ fsg->data_size_from_cmnd = (i == 0 ? 256 : i) << 9; -+ if ((reply = check_command(fsg, 6, DATA_DIR_FROM_HOST, -+ (7<<1) | (1<<4), 1, -+ "WRITE(6)")) == 0) -+ reply = do_write(fsg); -+ break; -+ -+ case SC_WRITE_10: -+ fsg->data_size_from_cmnd = get_be16(&fsg->cmnd[7]) << 9; -+ if ((reply = check_command(fsg, 10, DATA_DIR_FROM_HOST, -+ (1<<1) | (0xf<<2) | (3<<7), 1, -+ "WRITE(10)")) == 0) -+ reply = do_write(fsg); -+ break; -+ -+ case SC_WRITE_12: -+ fsg->data_size_from_cmnd = get_be32(&fsg->cmnd[6]) << 9; -+ if ((reply = check_command(fsg, 12, DATA_DIR_FROM_HOST, -+ (1<<1) | (0xf<<2) | (0xf<<6), 1, -+ "WRITE(12)")) == 0) -+ reply = do_write(fsg); -+ break; -+ -+ /* Some mandatory commands that we recognize but don't implement. -+ * They don't mean much in this setting. It's left as an exercise -+ * for anyone interested to implement RESERVE and RELEASE in terms -+ * of Posix locks. */ -+ case SC_FORMAT_UNIT: -+ case SC_RELEASE: -+ case SC_RESERVE: -+ case SC_SEND_DIAGNOSTIC: -+ /* Fall through */ -+ -+ default: -+ fsg->data_size_from_cmnd = 0; -+ sprintf(unknown, "Unknown x%02x", fsg->cmnd[0]); -+ if ((reply = check_command(fsg, fsg->cmnd_size, -+ DATA_DIR_UNKNOWN, 0xff, 0, unknown)) == 0) { -+ fsg->curlun->sense_data = SS_INVALID_COMMAND; -+ reply = -EINVAL; -+ } -+ break; -+ } -+ up_read(&fsg->filesem); -+ -+ VDBG(fsg, "reply: %d, fsg->data_size_from_cmnd: %d\n", -+ reply, fsg->data_size_from_cmnd); -+ if (reply == -EINTR || signal_pending(current)) -+ return -EINTR; -+ -+ /* Set up the single reply buffer for finish_reply() */ -+ if (reply == -EINVAL) -+ reply = 0; /* Error reply length */ -+ if (reply >= 0 && fsg->data_dir == DATA_DIR_TO_HOST) { -+ reply = min((u32) reply, fsg->data_size_from_cmnd); -+ bh->inreq->length = reply; -+ bh->state = BUF_STATE_FULL; -+ fsg->residue -= reply; -+ } /* Otherwise it's already set */ -+ -+ return 0; -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) -+{ -+ struct usb_request *req = bh->outreq; -+ struct bulk_cb_wrap *cbw = req->buf; -+ -+ /* Was this a real packet? */ -+ if (req->status) -+ return -EINVAL; -+ -+ /* Is the CBW valid? */ -+ if (req->actual != USB_BULK_CB_WRAP_LEN || -+ cbw->Signature != __constant_cpu_to_le32( -+ USB_BULK_CB_SIG)) { -+ DBG(fsg, "invalid CBW: len %u sig 0x%x\n", -+ req->actual, -+ le32_to_cpu(cbw->Signature)); -+ return -EINVAL; -+ } -+ -+ /* Is the CBW meaningful? */ -+ if (cbw->Lun >= MAX_LUNS || cbw->Flags & ~USB_BULK_IN_FLAG || -+ cbw->Length <= 0 || cbw->Length > MAX_COMMAND_SIZE) { -+ DBG(fsg, "non-meaningful CBW: lun = %u, flags = 0x%x, " -+ "cmdlen %u\n", -+ cbw->Lun, cbw->Flags, cbw->Length); -+ return -EINVAL; -+ } -+ -+ /* Save the command for later */ -+ fsg->cmnd_size = cbw->Length; -+ memcpy(fsg->cmnd, cbw->CDB, fsg->cmnd_size); -+ if (cbw->Flags & USB_BULK_IN_FLAG) -+ fsg->data_dir = DATA_DIR_TO_HOST; -+ else -+ fsg->data_dir = DATA_DIR_FROM_HOST; -+ fsg->data_size = le32_to_cpu(cbw->DataTransferLength); -+ if (fsg->data_size == 0) -+ fsg->data_dir = DATA_DIR_NONE; -+ fsg->lun = cbw->Lun; -+ fsg->tag = cbw->Tag; -+ return 0; -+} -+ -+ -+static int get_next_command(struct fsg_dev *fsg) -+{ -+ struct fsg_buffhd *bh; -+ int rc = 0; -+ -+ /* Wait for the next buffer to become available */ -+ bh = fsg->next_buffhd_to_fill; -+ while (bh->state != BUF_STATE_EMPTY) { -+ rc = sleep_thread(fsg); -+ if (rc) -+ return rc; -+ } -+ -+ /* Queue a request to read a Bulk-only CBW */ -+ set_bulk_out_req_length(fsg, bh, USB_BULK_CB_WRAP_LEN); -+ start_transfer(fsg, fsg->bulk_out, bh->outreq, -+ &bh->outreq_busy, &bh->state); -+ -+ /* We will drain the buffer in software, which means we -+ * can reuse it for the next filling. No need to advance -+ * next_buffhd_to_fill. */ -+ -+ /* Wait for the CBW to arrive */ -+ while (bh->state != BUF_STATE_FULL) { -+ rc = sleep_thread(fsg); -+ if (rc) -+ return rc; -+ } -+ smp_rmb(); -+ rc = received_cbw(fsg, bh); -+ bh->state = BUF_STATE_EMPTY; -+ -+ return rc; -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+static int enable_endpoint(struct fsg_dev *fsg, struct usb_ep *ep, -+ const struct usb_endpoint_descriptor *d) -+{ -+ int rc; -+ -+ DBG(fsg, "usb_ep_enable %s\n", ep->name); -+ ep->driver_data = fsg; -+ rc = usb_ep_enable(ep, d); -+ if (rc) -+ ERROR(fsg, "can't enable %s, result %d\n", ep->name, rc); -+ return rc; -+} -+ -+static int alloc_request(struct fsg_dev *fsg, struct usb_ep *ep, -+ struct usb_request **preq) -+{ -+ *preq = usb_ep_alloc_request(ep, GFP_ATOMIC); -+ if (*preq) -+ return 0; -+ ERROR(fsg, "can't allocate request for %s\n", ep->name); -+ return -ENOMEM; -+} -+ -+/* -+ * Reset interface setting and re-init endpoint state (toggle etc). -+ * Call with altsetting < 0 to disable the interface. The only other -+ * available altsetting is 0, which enables the interface. -+ */ -+static int do_set_interface(struct fsg_dev *fsg, int altsetting) -+{ -+ struct usb_composite_dev *cdev = fsg->cdev; -+ int rc = 0; -+ int i; -+ const struct usb_endpoint_descriptor *d; -+ -+ if (fsg->running) -+ DBG(fsg, "reset interface\n"); -+ -+reset: -+ /* Deallocate the requests */ -+ for (i = 0; i < NUM_BUFFERS; ++i) { -+ struct fsg_buffhd *bh = &fsg->buffhds[i]; -+ -+ if (bh->inreq) { -+ usb_ep_free_request(fsg->bulk_in, bh->inreq); -+ bh->inreq = NULL; -+ } -+ if (bh->outreq) { -+ usb_ep_free_request(fsg->bulk_out, bh->outreq); -+ bh->outreq = NULL; -+ } -+ } -+ -+ /* Disable the endpoints */ -+ if (fsg->bulk_in_enabled) { -+ DBG(fsg, "usb_ep_disable %s\n", fsg->bulk_in->name); -+ usb_ep_disable(fsg->bulk_in); -+ fsg->bulk_in_enabled = 0; -+ } -+ if (fsg->bulk_out_enabled) { -+ DBG(fsg, "usb_ep_disable %s\n", fsg->bulk_out->name); -+ usb_ep_disable(fsg->bulk_out); -+ fsg->bulk_out_enabled = 0; -+ } -+ -+ fsg->running = 0; -+ if (altsetting < 0 || rc != 0) -+ return rc; -+ -+ DBG(fsg, "set interface %d\n", altsetting); -+ -+ /* Enable the endpoints */ -+ d = ep_desc(cdev->gadget, &fs_bulk_in_desc, &hs_bulk_in_desc); -+ if ((rc = enable_endpoint(fsg, fsg->bulk_in, d)) != 0) -+ goto reset; -+ fsg->bulk_in_enabled = 1; -+ -+ d = ep_desc(cdev->gadget, &fs_bulk_out_desc, &hs_bulk_out_desc); -+ if ((rc = enable_endpoint(fsg, fsg->bulk_out, d)) != 0) -+ goto reset; -+ fsg->bulk_out_enabled = 1; -+ fsg->bulk_out_maxpacket = le16_to_cpu(d->wMaxPacketSize); -+ -+ /* Allocate the requests */ -+ for (i = 0; i < NUM_BUFFERS; ++i) { -+ struct fsg_buffhd *bh = &fsg->buffhds[i]; -+ -+ rc = alloc_request(fsg, fsg->bulk_in, &bh->inreq); -+ if (rc != 0) -+ goto reset; -+ rc = alloc_request(fsg, fsg->bulk_out, &bh->outreq); -+ if (rc != 0) -+ goto reset; -+ bh->inreq->buf = bh->outreq->buf = bh->buf; -+ bh->inreq->context = bh->outreq->context = bh; -+ bh->inreq->complete = bulk_in_complete; -+ bh->outreq->complete = bulk_out_complete; -+ } -+ -+ fsg->running = 1; -+ for (i = 0; i < fsg->nluns; ++i) -+ fsg->luns[i].unit_attention_data = SS_RESET_OCCURRED; -+ -+ return rc; -+} -+ -+static void adjust_wake_lock(struct fsg_dev *fsg) -+{ -+ int ums_active = 0; -+ int i; -+ -+ spin_lock_irq(&fsg->lock); -+ -+ if (fsg->config) { -+ for (i = 0; i < fsg->nluns; ++i) { -+ if (backing_file_is_open(&fsg->luns[i])) -+ ums_active = 1; -+ } -+ } -+ -+ if (ums_active) -+ wake_lock(&fsg->wake_lock); -+ else -+ wake_unlock(&fsg->wake_lock); -+ -+ spin_unlock_irq(&fsg->lock); -+} -+ -+/* -+ * Change our operational configuration. This code must agree with the code -+ * that returns config descriptors, and with interface altsetting code. -+ * -+ * It's also responsible for power management interactions. Some -+ * configurations might not work with our current power sources. -+ * For now we just assume the gadget is always self-powered. -+ */ -+static int do_set_config(struct fsg_dev *fsg, u8 new_config) -+{ -+ int rc = 0; -+ -+ if (new_config == fsg->config) -+ return rc; -+ -+ /* Disable the single interface */ -+ if (fsg->config != 0) { -+ DBG(fsg, "reset config\n"); -+ fsg->config = 0; -+ rc = do_set_interface(fsg, -1); -+ } -+ -+ /* Enable the interface */ -+ if (new_config != 0) { -+ fsg->config = new_config; -+ rc = do_set_interface(fsg, 0); -+ if (rc != 0) -+ fsg->config = 0; /* Reset on errors */ -+ else -+ INFO(fsg, "config #%d\n", fsg->config); -+ } -+ -+ switch_set_state(&fsg->sdev, new_config); -+ adjust_wake_lock(fsg); -+ return rc; -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+static void handle_exception(struct fsg_dev *fsg) -+{ -+ siginfo_t info; -+ int sig; -+ int i; -+ struct fsg_buffhd *bh; -+ enum fsg_state old_state; -+ u8 new_config; -+ struct lun *curlun; -+ int rc; -+ -+ DBG(fsg, "handle_exception state: %d\n", (int)fsg->state); -+ /* Clear the existing signals. Anything but SIGUSR1 is converted -+ * into a high-priority EXIT exception. */ -+ for (;;) { -+ sig = dequeue_signal_lock(current, ¤t->blocked, &info); -+ if (!sig) -+ break; -+ if (sig != SIGUSR1) { -+ if (fsg->state < FSG_STATE_EXIT) -+ DBG(fsg, "Main thread exiting on signal\n"); -+ raise_exception(fsg, FSG_STATE_EXIT); -+ } -+ } -+ -+ /* Clear out the controller's fifos */ -+ if (fsg->bulk_in_enabled) -+ usb_ep_fifo_flush(fsg->bulk_in); -+ if (fsg->bulk_out_enabled) -+ usb_ep_fifo_flush(fsg->bulk_out); -+ -+ /* Reset the I/O buffer states and pointers, the SCSI -+ * state, and the exception. Then invoke the handler. */ -+ spin_lock_irq(&fsg->lock); -+ -+ for (i = 0; i < NUM_BUFFERS; ++i) { -+ bh = &fsg->buffhds[i]; -+ bh->state = BUF_STATE_EMPTY; -+ } -+ fsg->next_buffhd_to_fill = fsg->next_buffhd_to_drain = -+ &fsg->buffhds[0]; -+ -+ new_config = fsg->new_config; -+ old_state = fsg->state; -+ -+ if (old_state == FSG_STATE_ABORT_BULK_OUT) -+ fsg->state = FSG_STATE_STATUS_PHASE; -+ else { -+ for (i = 0; i < fsg->nluns; ++i) { -+ curlun = &fsg->luns[i]; -+ curlun->prevent_medium_removal = 0; -+ curlun->sense_data = curlun->unit_attention_data = -+ SS_NO_SENSE; -+ curlun->sense_data_info = 0; -+ curlun->info_valid = 0; -+ } -+ fsg->state = FSG_STATE_IDLE; -+ } -+ spin_unlock_irq(&fsg->lock); -+ -+ /* Carry out any extra actions required for the exception */ -+ switch (old_state) { -+ default: -+ break; -+ -+ case FSG_STATE_ABORT_BULK_OUT: -+ DBG(fsg, "FSG_STATE_ABORT_BULK_OUT\n"); -+ spin_lock_irq(&fsg->lock); -+ if (fsg->state == FSG_STATE_STATUS_PHASE) -+ fsg->state = FSG_STATE_IDLE; -+ spin_unlock_irq(&fsg->lock); -+ break; -+ -+ case FSG_STATE_RESET: -+ /* really not much to do here */ -+ break; -+ -+ case FSG_STATE_CONFIG_CHANGE: -+ rc = do_set_config(fsg, new_config); -+ if (new_config == 0) { -+ /* We're using the backing file */ -+ down_read(&fsg->filesem); -+ fsync_all(fsg); -+ up_read(&fsg->filesem); -+ } -+ break; -+ -+ case FSG_STATE_EXIT: -+ case FSG_STATE_TERMINATED: -+ do_set_config(fsg, 0); /* Free resources */ -+ spin_lock_irq(&fsg->lock); -+ fsg->state = FSG_STATE_TERMINATED; /* Stop the thread */ -+ spin_unlock_irq(&fsg->lock); -+ break; -+ } -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+static int fsg_main_thread(void *fsg_) -+{ -+ struct fsg_dev *fsg = fsg_; -+ -+ /* Allow the thread to be killed by a signal, but set the signal mask -+ * to block everything but INT, TERM, KILL, and USR1. */ -+ allow_signal(SIGINT); -+ allow_signal(SIGTERM); -+ allow_signal(SIGKILL); -+ allow_signal(SIGUSR1); -+ -+ /* Allow the thread to be frozen */ -+ set_freezable(); -+ -+ /* Arrange for userspace references to be interpreted as kernel -+ * pointers. That way we can pass a kernel pointer to a routine -+ * that expects a __user pointer and it will work okay. */ -+ set_fs(get_ds()); -+ -+ /* The main loop */ -+ while (fsg->state != FSG_STATE_TERMINATED) { -+ if (exception_in_progress(fsg) || signal_pending(current)) { -+ handle_exception(fsg); -+ continue; -+ } -+ -+ if (!fsg->running) { -+ sleep_thread(fsg); -+ continue; -+ } -+ -+ if (get_next_command(fsg)) -+ continue; -+ -+ spin_lock_irq(&fsg->lock); -+ if (!exception_in_progress(fsg)) -+ fsg->state = FSG_STATE_DATA_PHASE; -+ spin_unlock_irq(&fsg->lock); -+ -+ if (do_scsi_command(fsg) || finish_reply(fsg)) -+ continue; -+ -+ spin_lock_irq(&fsg->lock); -+ if (!exception_in_progress(fsg)) -+ fsg->state = FSG_STATE_STATUS_PHASE; -+ spin_unlock_irq(&fsg->lock); -+ -+ if (send_status(fsg)) -+ continue; -+ -+ spin_lock_irq(&fsg->lock); -+ if (!exception_in_progress(fsg)) -+ fsg->state = FSG_STATE_IDLE; -+ spin_unlock_irq(&fsg->lock); -+ } -+ -+ spin_lock_irq(&fsg->lock); -+ fsg->thread_task = NULL; -+ spin_unlock_irq(&fsg->lock); -+ -+ /* In case we are exiting because of a signal, unregister the -+ * gadget driver and close the backing file. */ -+ if (test_and_clear_bit(REGISTERED, &fsg->atomic_bitflags)) -+ close_all_backing_files(fsg); -+ -+ /* Let the unbind and cleanup routines know the thread has exited */ -+ complete_and_exit(&fsg->thread_notifier, 0); -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+/* If the next two routines are called while the gadget is registered, -+ * the caller must own fsg->filesem for writing. */ -+ -+static int open_backing_file(struct fsg_dev *fsg, struct lun *curlun, -+ const char *filename) -+{ -+ int ro; -+ struct file *filp = NULL; -+ int rc = -EINVAL; -+ struct inode *inode = NULL; -+ loff_t size; -+ loff_t num_sectors; -+ -+ /* R/W if we can, R/O if we must */ -+ ro = curlun->ro; -+ if (!ro) { -+ filp = filp_open(filename, O_RDWR | O_LARGEFILE, 0); -+ if (-EROFS == PTR_ERR(filp)) -+ ro = 1; -+ } -+ if (ro) -+ filp = filp_open(filename, O_RDONLY | O_LARGEFILE, 0); -+ if (IS_ERR(filp)) { -+ LINFO(curlun, "unable to open backing file: %s\n", filename); -+ return PTR_ERR(filp); -+ } -+ -+ if (!(filp->f_mode & FMODE_WRITE)) -+ ro = 1; -+ -+ if (filp->f_path.dentry) -+ inode = filp->f_path.dentry->d_inode; -+ if (inode && S_ISBLK(inode->i_mode)) { -+ if (bdev_read_only(inode->i_bdev)) -+ ro = 1; -+ } else if (!inode || !S_ISREG(inode->i_mode)) { -+ LINFO(curlun, "invalid file type: %s\n", filename); -+ goto out; -+ } -+ -+ /* If we can't read the file, it's no good. -+ * If we can't write the file, use it read-only. */ -+ if (!filp->f_op || !(filp->f_op->read || filp->f_op->aio_read)) { -+ LINFO(curlun, "file not readable: %s\n", filename); -+ goto out; -+ } -+ if (!(filp->f_op->write || filp->f_op->aio_write)) -+ ro = 1; -+ -+ size = i_size_read(inode->i_mapping->host); -+ if (size < 0) { -+ LINFO(curlun, "unable to find file size: %s\n", filename); -+ rc = (int) size; -+ goto out; -+ } -+ num_sectors = size >> 9; /* File size in 512-byte sectors */ -+ if (num_sectors == 0) { -+ LINFO(curlun, "file too small: %s\n", filename); -+ rc = -ETOOSMALL; -+ goto out; -+ } -+ -+ get_file(filp); -+ curlun->ro = ro; -+ curlun->filp = filp; -+ curlun->file_length = size; -+ curlun->num_sectors = num_sectors; -+ LDBG(curlun, "open backing file: %s size: %lld num_sectors: %lld\n", -+ filename, size, num_sectors); -+ rc = 0; -+ adjust_wake_lock(fsg); -+ -+out: -+ filp_close(filp, current->files); -+ return rc; -+} -+ -+ -+static void close_backing_file(struct fsg_dev *fsg, struct lun *curlun) -+{ -+ if (curlun->filp) { -+ int rc; -+ -+ /* -+ * XXX: San: Ugly hack here added to ensure that -+ * our pages get synced to disk. -+ * Also drop caches here just to be extra-safe -+ */ -+ rc = vfs_fsync(curlun->filp, curlun->filp->f_path.dentry, 1); -+ if (rc < 0) -+ printk(KERN_ERR "ums: Error syncing data (%d)\n", rc); -+ /* drop_pagecache and drop_slab are no longer available */ -+ /* drop_pagecache(); */ -+ /* drop_slab(); */ -+ -+ LDBG(curlun, "close backing file\n"); -+ fput(curlun->filp); -+ curlun->filp = NULL; -+ adjust_wake_lock(fsg); -+ } -+} -+ -+static void close_all_backing_files(struct fsg_dev *fsg) -+{ -+ int i; -+ -+ for (i = 0; i < fsg->nluns; ++i) -+ close_backing_file(fsg, &fsg->luns[i]); -+} -+ -+static ssize_t show_file(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ struct lun *curlun = dev_to_lun(dev); -+ struct fsg_dev *fsg = dev_get_drvdata(dev); -+ char *p; -+ ssize_t rc; -+ -+ down_read(&fsg->filesem); -+ if (backing_file_is_open(curlun)) { /* Get the complete pathname */ -+ p = d_path(&curlun->filp->f_path, buf, PAGE_SIZE - 1); -+ if (IS_ERR(p)) -+ rc = PTR_ERR(p); -+ else { -+ rc = strlen(p); -+ memmove(buf, p, rc); -+ buf[rc] = '\n'; /* Add a newline */ -+ buf[++rc] = 0; -+ } -+ } else { /* No file, return 0 bytes */ -+ *buf = 0; -+ rc = 0; -+ } -+ up_read(&fsg->filesem); -+ return rc; -+} -+ -+static ssize_t store_file(struct device *dev, struct device_attribute *attr, -+ const char *buf, size_t count) -+{ -+ struct lun *curlun = dev_to_lun(dev); -+ struct fsg_dev *fsg = dev_get_drvdata(dev); -+ int rc = 0; -+ -+ DBG(fsg, "store_file: \"%s\"\n", buf); -+#if 0 -+ /* disabled because we need to allow closing the backing file if the media was removed */ -+ if (curlun->prevent_medium_removal && backing_file_is_open(curlun)) { -+ LDBG(curlun, "eject attempt prevented\n"); -+ return -EBUSY; /* "Door is locked" */ -+ } -+#endif -+ -+ /* Remove a trailing newline */ -+ if (count > 0 && buf[count-1] == '\n') -+ ((char *) buf)[count-1] = 0; -+ -+ /* Eject current medium */ -+ down_write(&fsg->filesem); -+ if (backing_file_is_open(curlun)) { -+ close_backing_file(fsg, curlun); -+ curlun->unit_attention_data = SS_MEDIUM_NOT_PRESENT; -+ } -+ -+ /* Load new medium */ -+ if (count > 0 && buf[0]) { -+ rc = open_backing_file(fsg, curlun, buf); -+ if (rc == 0) -+ curlun->unit_attention_data = -+ SS_NOT_READY_TO_READY_TRANSITION; -+ } -+ up_write(&fsg->filesem); -+ return (rc < 0 ? rc : count); -+} -+ -+ -+static DEVICE_ATTR(file, 0444, show_file, store_file); -+ -+/*-------------------------------------------------------------------------*/ -+ -+static void fsg_release(struct kref *ref) -+{ -+ struct fsg_dev *fsg = container_of(ref, struct fsg_dev, ref); -+ -+ kfree(fsg->luns); -+ kfree(fsg); -+} -+ -+static void lun_release(struct device *dev) -+{ -+ struct fsg_dev *fsg = dev_get_drvdata(dev); -+ -+ kref_put(&fsg->ref, fsg_release); -+} -+ -+ -+/*-------------------------------------------------------------------------*/ -+ -+static int __init fsg_alloc(void) -+{ -+ struct fsg_dev *fsg; -+ -+ fsg = kzalloc(sizeof *fsg, GFP_KERNEL); -+ if (!fsg) -+ return -ENOMEM; -+ spin_lock_init(&fsg->lock); -+ init_rwsem(&fsg->filesem); -+ kref_init(&fsg->ref); -+ init_completion(&fsg->thread_notifier); -+ -+ the_fsg = fsg; -+ return 0; -+} -+ -+static ssize_t print_switch_name(struct switch_dev *sdev, char *buf) -+{ -+ return sprintf(buf, "%s\n", DRIVER_NAME); -+} -+ -+static ssize_t print_switch_state(struct switch_dev *sdev, char *buf) -+{ -+ struct fsg_dev *fsg = container_of(sdev, struct fsg_dev, sdev); -+ return sprintf(buf, "%s\n", (fsg->config ? "online" : "offline")); -+} -+ -+static void -+fsg_function_unbind(struct usb_configuration *c, struct usb_function *f) -+{ -+ struct fsg_dev *fsg = func_to_dev(f); -+ int i; -+ struct lun *curlun; -+ -+ DBG(fsg, "fsg_function_unbind\n"); -+ clear_bit(REGISTERED, &fsg->atomic_bitflags); -+ -+ /* Unregister the sysfs attribute files and the LUNs */ -+ for (i = 0; i < fsg->nluns; ++i) { -+ curlun = &fsg->luns[i]; -+ if (curlun->registered) { -+ device_remove_file(&curlun->dev, &dev_attr_file); -+ device_unregister(&curlun->dev); -+ curlun->registered = 0; -+ } -+ } -+ -+ /* If the thread isn't already dead, tell it to exit now */ -+ if (fsg->state != FSG_STATE_TERMINATED) { -+ raise_exception(fsg, FSG_STATE_EXIT); -+ wait_for_completion(&fsg->thread_notifier); -+ -+ /* The cleanup routine waits for this completion also */ -+ complete(&fsg->thread_notifier); -+ } -+ -+ /* Free the data buffers */ -+ for (i = 0; i < NUM_BUFFERS; ++i) -+ kfree(fsg->buffhds[i].buf); -+} -+ -+static int __init -+fsg_function_bind(struct usb_configuration *c, struct usb_function *f) -+{ -+ struct usb_composite_dev *cdev = c->cdev; -+ struct fsg_dev *fsg = func_to_dev(f); -+ int rc; -+ int i; -+ int id; -+ struct lun *curlun; -+ struct usb_ep *ep; -+ char *pathbuf, *p; -+ -+ fsg->cdev = cdev; -+ DBG(fsg, "fsg_function_bind\n"); -+ -+ dev_attr_file.attr.mode = 0644; -+ -+ /* Find out how many LUNs there should be */ -+ i = fsg->nluns; -+ if (i == 0) -+ i = 1; -+ if (i > MAX_LUNS) { -+ ERROR(fsg, "invalid number of LUNs: %d\n", i); -+ rc = -EINVAL; -+ goto out; -+ } -+ -+ /* Create the LUNs, open their backing files, and register the -+ * LUN devices in sysfs. */ -+ fsg->luns = kzalloc(i * sizeof(struct lun), GFP_KERNEL); -+ if (!fsg->luns) { -+ rc = -ENOMEM; -+ goto out; -+ } -+ fsg->nluns = i; -+ -+ for (i = 0; i < fsg->nluns; ++i) { -+ curlun = &fsg->luns[i]; -+ curlun->ro = 0; -+ curlun->dev.release = lun_release; -+ curlun->dev.parent = &cdev->gadget->dev; -+ dev_set_drvdata(&curlun->dev, fsg); -+ snprintf(curlun->dev.bus_id, BUS_ID_SIZE, -+ "lun%d", i); -+ -+ rc = device_register(&curlun->dev); -+ if (rc != 0) { -+ INFO(fsg, "failed to register LUN%d: %d\n", i, rc); -+ goto out; -+ } -+ rc = device_create_file(&curlun->dev, &dev_attr_file); -+ if (rc != 0) { -+ ERROR(fsg, "device_create_file failed: %d\n", rc); -+ device_unregister(&curlun->dev); -+ goto out; -+ } -+ curlun->registered = 1; -+ kref_get(&fsg->ref); -+ } -+ -+ /* allocate interface ID(s) */ -+ id = usb_interface_id(c, f); -+ if (id < 0) -+ return id; -+ intf_desc.bInterfaceNumber = id; -+ -+ ep = usb_ep_autoconfig(cdev->gadget, &fs_bulk_in_desc); -+ if (!ep) -+ goto autoconf_fail; -+ ep->driver_data = fsg; /* claim the endpoint */ -+ fsg->bulk_in = ep; -+ -+ ep = usb_ep_autoconfig(cdev->gadget, &fs_bulk_out_desc); -+ if (!ep) -+ goto autoconf_fail; -+ ep->driver_data = fsg; /* claim the endpoint */ -+ fsg->bulk_out = ep; -+ -+ rc = -ENOMEM; -+ -+ if (gadget_is_dualspeed(cdev->gadget)) { -+ /* Assume endpoint addresses are the same for both speeds */ -+ hs_bulk_in_desc.bEndpointAddress = -+ fs_bulk_in_desc.bEndpointAddress; -+ hs_bulk_out_desc.bEndpointAddress = -+ fs_bulk_out_desc.bEndpointAddress; -+ -+ f->hs_descriptors = hs_function; -+ } -+ -+ /* Allocate the data buffers */ -+ for (i = 0; i < NUM_BUFFERS; ++i) { -+ struct fsg_buffhd *bh = &fsg->buffhds[i]; -+ -+ /* Allocate for the bulk-in endpoint. We assume that -+ * the buffer will also work with the bulk-out (and -+ * interrupt-in) endpoint. */ -+ bh->buf = kmalloc(fsg->buf_size, GFP_KERNEL); -+ if (!bh->buf) -+ goto out; -+ bh->next = bh + 1; -+ } -+ fsg->buffhds[NUM_BUFFERS - 1].next = &fsg->buffhds[0]; -+ -+ fsg->thread_task = kthread_create(fsg_main_thread, fsg, -+ shortname); -+ if (IS_ERR(fsg->thread_task)) { -+ rc = PTR_ERR(fsg->thread_task); -+ ERROR(fsg, "kthread_create failed: %d\n", rc); -+ goto out; -+ } -+ -+ INFO(fsg, "Number of LUNs=%d\n", fsg->nluns); -+ -+ pathbuf = kmalloc(PATH_MAX, GFP_KERNEL); -+ for (i = 0; i < fsg->nluns; ++i) { -+ curlun = &fsg->luns[i]; -+ if (backing_file_is_open(curlun)) { -+ p = NULL; -+ if (pathbuf) { -+ p = d_path(&curlun->filp->f_path, -+ pathbuf, PATH_MAX); -+ if (IS_ERR(p)) -+ p = NULL; -+ } -+ LINFO(curlun, "ro=%d, file: %s\n", -+ curlun->ro, (p ? p : "(error)")); -+ } -+ } -+ kfree(pathbuf); -+ -+ set_bit(REGISTERED, &fsg->atomic_bitflags); -+ -+ /* Tell the thread to start working */ -+ wake_up_process(fsg->thread_task); -+ return 0; -+ -+autoconf_fail: -+ ERROR(fsg, "unable to autoconfigure all endpoints\n"); -+ rc = -ENOTSUPP; -+ -+out: -+ DBG(fsg, "fsg_function_bind failed: %d\n", rc); -+ fsg->state = FSG_STATE_TERMINATED; /* The thread is dead */ -+ fsg_function_unbind(c, f); -+ close_all_backing_files(fsg); -+ return rc; -+} -+ -+static int fsg_function_set_alt(struct usb_function *f, -+ unsigned intf, unsigned alt) -+{ -+ struct fsg_dev *fsg = func_to_dev(f); -+ DBG(fsg, "fsg_function_set_alt intf: %d alt: %d\n", intf, alt); -+ fsg->new_config = 1; -+ raise_exception(fsg, FSG_STATE_CONFIG_CHANGE); -+ return 0; -+} -+ -+static void fsg_function_disable(struct usb_function *f) -+{ -+ struct fsg_dev *fsg = func_to_dev(f); -+ DBG(fsg, "fsg_function_disable\n"); -+ fsg->new_config = 0; -+ raise_exception(fsg, FSG_STATE_CONFIG_CHANGE); -+} -+ -+int __init mass_storage_function_add(struct usb_composite_dev *cdev, -+ struct usb_configuration *c, int nluns) -+{ -+ int rc; -+ struct fsg_dev *fsg; -+ -+ printk(KERN_INFO "mass_storage_function_add\n"); -+ rc = fsg_alloc(); -+ if (rc) -+ return rc; -+ fsg = the_fsg; -+ fsg->nluns = nluns; -+ -+ spin_lock_init(&fsg->lock); -+ init_rwsem(&fsg->filesem); -+ kref_init(&fsg->ref); -+ init_completion(&fsg->thread_notifier); -+ -+ the_fsg->buf_size = BULK_BUFFER_SIZE; -+ the_fsg->sdev.name = DRIVER_NAME; -+ the_fsg->sdev.print_name = print_switch_name; -+ the_fsg->sdev.print_state = print_switch_state; -+ rc = switch_dev_register(&the_fsg->sdev); -+ if (rc < 0) -+ goto err_switch_dev_register; -+ -+ wake_lock_init(&the_fsg->wake_lock, WAKE_LOCK_SUSPEND, -+ "usb_mass_storage"); -+ -+ fsg->cdev = cdev; -+ fsg->function.name = shortname; -+ fsg->function.descriptors = fs_function; -+ fsg->function.bind = fsg_function_bind; -+ fsg->function.unbind = fsg_function_unbind; -+ fsg->function.setup = fsg_function_setup; -+ fsg->function.set_alt = fsg_function_set_alt; -+ fsg->function.disable = fsg_function_disable; -+ -+ rc = usb_add_function(c, &fsg->function); -+ if (rc != 0) -+ goto err_usb_add_function; -+ -+ return 0; -+ -+err_usb_add_function: -+ switch_dev_unregister(&the_fsg->sdev); -+err_switch_dev_register: -+ kref_put(&the_fsg->ref, fsg_release); -+ -+ return rc; -+} ---- /dev/null -+++ b/drivers/usb/gadget/f_mass_storage.h -@@ -0,0 +1,52 @@ -+/* -+ * drivers/usb/gadget/f_mass_storage.h -+ * -+ * Function Driver for USB Mass Storage -+ * -+ * Copyright (C) 2008 Google, Inc. -+ * Author: Mike Lockwood <lockwood@android.com> -+ * -+ * Based heavily on the file_storage gadget driver in -+ * drivers/usb/gadget/file_storage.c and licensed under the same terms: -+ * -+ * Copyright (C) 2003-2007 Alan Stern -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * 1. Redistributions of source code must retain the above copyright -+ * notice, this list of conditions, and the following disclaimer, -+ * without modification. -+ * 2. Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in the -+ * documentation and/or other materials provided with the distribution. -+ * 3. The names of the above-listed copyright holders may not be used -+ * to endorse or promote products derived from this software without -+ * specific prior written permission. -+ * -+ * ALTERNATIVELY, this software may be distributed under the terms of the -+ * GNU General Public License ("GPL") as published by the Free Software -+ * Foundation, either version 2 of that License or (at your option) any -+ * later version. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS -+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, -+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR -+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR -+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -+ */ -+ -+#ifndef __F_MASS_STORAGE_H -+#define __F_MASS_STORAGE_H -+ -+int mass_storage_function_add(struct usb_composite_dev *cdev, -+ struct usb_configuration *c, int nluns); -+ -+#endif /* __F_MASS_STORAGE_H */ ---- /dev/null -+++ b/include/linux/usb/android.h -@@ -0,0 +1,40 @@ -+/* -+ * Platform data for Android USB -+ * -+ * Copyright (C) 2008 Google, Inc. -+ * Author: Mike Lockwood <lockwood@android.com> -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+#ifndef __LINUX_USB_ANDROID_H -+#define __LINUX_USB_ANDROID_H -+ -+struct android_usb_platform_data { -+ /* USB device descriptor fields */ -+ __u16 vendor_id; -+ -+ /* Default product ID. */ -+ __u16 product_id; -+ -+ /* Product ID when adb is enabled. */ -+ __u16 adb_product_id; -+ -+ __u16 version; -+ -+ char *product_name; -+ char *manufacturer_name; -+ char *serial_number; -+ -+ /* number of LUNS for mass storage function */ -+ int nluns; -+}; -+ -+#endif /* __LINUX_USB_ANDROID_H */ diff --git a/target/linux/goldfish/patches-2.6.30/0105-block-block_dump-Add-number-of-sectors-to-debug-ou.patch b/target/linux/goldfish/patches-2.6.30/0105-block-block_dump-Add-number-of-sectors-to-debug-ou.patch deleted file mode 100644 index c057e7b17e..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0105-block-block_dump-Add-number-of-sectors-to-debug-ou.patch +++ /dev/null @@ -1,27 +0,0 @@ -From 4d3a01ba872f67bae704e37bf888c38fa83be759 Mon Sep 17 00:00:00 2001 -From: San Mehat <san@android.com> -Date: Sat, 21 Mar 2009 18:48:05 -0700 -Subject: [PATCH 105/134] block: block_dump: Add number of sectors to debug output - -Signed-off-by: San Mehat <san@android.com> ---- - block/blk-core.c | 5 +++-- - 1 files changed, 3 insertions(+), 2 deletions(-) - ---- a/block/blk-core.c -+++ b/block/blk-core.c -@@ -1558,11 +1558,12 @@ void submit_bio(int rw, struct bio *bio) - - if (unlikely(block_dump)) { - char b[BDEVNAME_SIZE]; -- printk(KERN_DEBUG "%s(%d): %s block %Lu on %s\n", -+ printk(KERN_DEBUG "%s(%d): %s block %Lu on %s (%u sectors)\n", - current->comm, task_pid_nr(current), - (rw & WRITE) ? "WRITE" : "READ", - (unsigned long long)bio->bi_sector, -- bdevname(bio->bi_bdev, b)); -+ bdevname(bio->bi_bdev, b), -+ count); - } - } - diff --git a/target/linux/goldfish/patches-2.6.30/0108-mmc-sd-Remove-debugging-printk.patch b/target/linux/goldfish/patches-2.6.30/0108-mmc-sd-Remove-debugging-printk.patch deleted file mode 100644 index f9efdb35a0..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0108-mmc-sd-Remove-debugging-printk.patch +++ /dev/null @@ -1,20 +0,0 @@ -From 700cfcab7eee4a822be3fe0c8cfd77caac10bfed Mon Sep 17 00:00:00 2001 -From: Dima Zavin <dima@android.com> -Date: Wed, 25 Mar 2009 21:29:45 -0700 -Subject: [PATCH 108/134] mmc: sd: Remove debugging printk - -Signed-off-by: Dima Zavin <dima@android.com> ---- - drivers/mmc/core/sd.c | 1 - - 1 files changed, 0 insertions(+), 1 deletions(-) - ---- a/drivers/mmc/core/sd.c -+++ b/drivers/mmc/core/sd.c -@@ -574,7 +574,6 @@ static void mmc_sd_detect(struct mmc_hos - #ifdef CONFIG_MMC_PARANOID_SD_INIT - while(retries) { - err = mmc_send_status(host->card, NULL); -- printk("%s(%s): err = %d\n", __func__, mmc_hostname(host), err); - if (err) { - retries--; - udelay(5); diff --git a/target/linux/goldfish/patches-2.6.30/0109-Revert-printk-remove-unused-code-from-kernel-print.patch b/target/linux/goldfish/patches-2.6.30/0109-Revert-printk-remove-unused-code-from-kernel-print.patch deleted file mode 100644 index 26745a1168..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0109-Revert-printk-remove-unused-code-from-kernel-print.patch +++ /dev/null @@ -1,58 +0,0 @@ -From fca2519ebf25db61da132932eb3fffeaa1974f43 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Thu, 15 Jan 2009 19:07:27 -0800 -Subject: [PATCH 109/134] Revert "printk: remove unused code from kernel/printk.c" - -This reverts commit acff181d3574244e651913df77332e897b88bff4. ---- - kernel/printk.c | 39 +++++++++++++++++++++++++++++++++++++++ - 1 files changed, 39 insertions(+), 0 deletions(-) - ---- a/kernel/printk.c -+++ b/kernel/printk.c -@@ -255,6 +255,45 @@ static inline void boot_delay_msec(void) - #endif - - /* -+ * Return the number of unread characters in the log buffer. -+ */ -+static int log_buf_get_len(void) -+{ -+ return logged_chars; -+} -+ -+/* -+ * Copy a range of characters from the log buffer. -+ */ -+int log_buf_copy(char *dest, int idx, int len) -+{ -+ int ret, max; -+ bool took_lock = false; -+ -+ if (!oops_in_progress) { -+ spin_lock_irq(&logbuf_lock); -+ took_lock = true; -+ } -+ -+ max = log_buf_get_len(); -+ if (idx < 0 || idx >= max) { -+ ret = -1; -+ } else { -+ if (len > max) -+ len = max; -+ ret = len; -+ idx += (log_end - max); -+ while (len-- > 0) -+ dest[len] = LOG_BUF(idx + len); -+ } -+ -+ if (took_lock) -+ spin_unlock_irq(&logbuf_lock); -+ -+ return ret; -+} -+ -+/* - * Commands to do_syslog: - * - * 0 -- Close the log. Currently a NOP. diff --git a/target/linux/goldfish/patches-2.6.30/0110-printk-Fix-log_buf_copy-termination.patch b/target/linux/goldfish/patches-2.6.30/0110-printk-Fix-log_buf_copy-termination.patch deleted file mode 100644 index 3956090cbf..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0110-printk-Fix-log_buf_copy-termination.patch +++ /dev/null @@ -1,24 +0,0 @@ -From e500cd364086cfc018b100d08c97b2fdf229d029 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Mon, 14 Apr 2008 21:35:25 -0700 -Subject: [PATCH 110/134] printk: Fix log_buf_copy termination. - -If idx was non-zero and the log had wrapped, len did not get truncated -to stop at the last byte written to the log. ---- - kernel/printk.c | 4 ++-- - 1 files changed, 2 insertions(+), 2 deletions(-) - ---- a/kernel/printk.c -+++ b/kernel/printk.c -@@ -279,8 +279,8 @@ int log_buf_copy(char *dest, int idx, in - if (idx < 0 || idx >= max) { - ret = -1; - } else { -- if (len > max) -- len = max; -+ if (len > max - idx) -+ len = max - idx; - ret = len; - idx += (log_end - max); - while (len-- > 0) diff --git a/target/linux/goldfish/patches-2.6.30/0118--ARM-goldfish-Add-goldfish-platform.patch b/target/linux/goldfish/patches-2.6.30/0118--ARM-goldfish-Add-goldfish-platform.patch deleted file mode 100644 index c05c782308..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0118--ARM-goldfish-Add-goldfish-platform.patch +++ /dev/null @@ -1,2127 +0,0 @@ -From 7cc9c853cf4657bc971a3bf8736fa0412f23eea2 Mon Sep 17 00:00:00 2001 -From: Mike A. Chan <mikechan@google.com> -Date: Tue, 14 Oct 2008 19:46:11 -0700 -Subject: [PATCH 118/134] [ARM] goldfish: Add goldfish platform. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: Mike A. Chan <mikechan@google.com> -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - arch/arm/Kconfig | 10 + - arch/arm/Makefile | 1 + - arch/arm/configs/goldfish_defconfig | 1166 +++++++++++++++++++++ - arch/arm/mach-goldfish/Kconfig | 11 + - arch/arm/mach-goldfish/Makefile | 9 + - arch/arm/mach-goldfish/Makefile.boot | 4 + - arch/arm/mach-goldfish/board-goldfish.c | 122 +++ - arch/arm/mach-goldfish/include/mach/dma.h | 1 + - arch/arm/mach-goldfish/include/mach/entry-macro.S | 34 + - arch/arm/mach-goldfish/include/mach/hardware.h | 44 + - arch/arm/mach-goldfish/include/mach/io.h | 24 + - arch/arm/mach-goldfish/include/mach/irqs.h | 24 + - arch/arm/mach-goldfish/include/mach/memory.h | 35 + - arch/arm/mach-goldfish/include/mach/system.h | 30 + - arch/arm/mach-goldfish/include/mach/timer.h | 28 + - arch/arm/mach-goldfish/include/mach/timex.h | 24 + - arch/arm/mach-goldfish/include/mach/uncompress.h | 40 + - arch/arm/mach-goldfish/include/mach/vmalloc.h | 21 + - arch/arm/mach-goldfish/pdev_bus.c | 222 ++++ - arch/arm/mach-goldfish/timer.c | 147 +++ - 20 files changed, 1997 insertions(+), 0 deletions(-) - create mode 100644 arch/arm/configs/goldfish_defconfig - create mode 100644 arch/arm/mach-goldfish/Kconfig - create mode 100644 arch/arm/mach-goldfish/Makefile - create mode 100644 arch/arm/mach-goldfish/Makefile.boot - create mode 100644 arch/arm/mach-goldfish/board-goldfish.c - create mode 100644 arch/arm/mach-goldfish/include/mach/dma.h - create mode 100644 arch/arm/mach-goldfish/include/mach/entry-macro.S - create mode 100644 arch/arm/mach-goldfish/include/mach/hardware.h - create mode 100644 arch/arm/mach-goldfish/include/mach/io.h - create mode 100644 arch/arm/mach-goldfish/include/mach/irqs.h - create mode 100644 arch/arm/mach-goldfish/include/mach/memory.h - create mode 100644 arch/arm/mach-goldfish/include/mach/system.h - create mode 100644 arch/arm/mach-goldfish/include/mach/timer.h - create mode 100644 arch/arm/mach-goldfish/include/mach/timex.h - create mode 100644 arch/arm/mach-goldfish/include/mach/uncompress.h - create mode 100644 arch/arm/mach-goldfish/include/mach/vmalloc.h - create mode 100644 arch/arm/mach-goldfish/pdev_bus.c - create mode 100644 arch/arm/mach-goldfish/timer.c - ---- a/arch/arm/Kconfig -+++ b/arch/arm/Kconfig -@@ -206,6 +206,14 @@ config ARCH_AAEC2000 - help - This enables support for systems based on the Agilent AAEC-2000 - -+config ARCH_GOLDFISH -+ bool "Goldfish" -+ select CPU_ARM926T -+ select GENERIC_TIME -+ select GENERIC_CLOCKEVENTS -+ help -+ Support for Goldfish Virtual Platform. -+ - config ARCH_INTEGRATOR - bool "ARM Ltd. Integrator family" - select ARM_AMBA -@@ -620,6 +628,8 @@ config ARCH_W90X900 - - endchoice - -+source "arch/arm/mach-goldfish/Kconfig" -+ - source "arch/arm/mach-clps711x/Kconfig" - - source "arch/arm/mach-ep93xx/Kconfig" ---- a/arch/arm/Makefile -+++ b/arch/arm/Makefile -@@ -138,6 +138,7 @@ endif - machine-$(CONFIG_ARCH_IMX) := imx - machine-$(CONFIG_ARCH_H720X) := h720x - machine-$(CONFIG_ARCH_AAEC2000) := aaec2000 -+ machine-$(CONFIG_ARCH_GOLDFISH) := goldfish - machine-$(CONFIG_ARCH_REALVIEW) := realview - machine-$(CONFIG_ARCH_AT91) := at91 - machine-$(CONFIG_ARCH_EP93XX) := ep93xx ---- /dev/null -+++ b/arch/arm/configs/goldfish_defconfig -@@ -0,0 +1,1166 @@ -+# -+# Automatically generated make config: don't edit -+# Linux kernel version: 2.6.29 -+# Wed Apr 8 20:40:44 2009 -+# -+CONFIG_ARM=y -+CONFIG_SYS_SUPPORTS_APM_EMULATION=y -+# CONFIG_GENERIC_GPIO is not set -+CONFIG_GENERIC_TIME=y -+CONFIG_GENERIC_CLOCKEVENTS=y -+CONFIG_MMU=y -+# CONFIG_NO_IOPORT is not set -+CONFIG_GENERIC_HARDIRQS=y -+CONFIG_STACKTRACE_SUPPORT=y -+CONFIG_HAVE_LATENCYTOP_SUPPORT=y -+CONFIG_LOCKDEP_SUPPORT=y -+CONFIG_TRACE_IRQFLAGS_SUPPORT=y -+CONFIG_HARDIRQS_SW_RESEND=y -+CONFIG_GENERIC_IRQ_PROBE=y -+CONFIG_RWSEM_GENERIC_SPINLOCK=y -+# CONFIG_ARCH_HAS_ILOG2_U32 is not set -+# CONFIG_ARCH_HAS_ILOG2_U64 is not set -+CONFIG_GENERIC_HWEIGHT=y -+CONFIG_GENERIC_CALIBRATE_DELAY=y -+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y -+CONFIG_VECTORS_BASE=0xffff0000 -+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" -+ -+# -+# General setup -+# -+CONFIG_EXPERIMENTAL=y -+CONFIG_BROKEN_ON_SMP=y -+CONFIG_INIT_ENV_ARG_LIMIT=32 -+CONFIG_LOCALVERSION="" -+CONFIG_LOCALVERSION_AUTO=y -+CONFIG_SWAP=y -+CONFIG_SYSVIPC=y -+CONFIG_SYSVIPC_SYSCTL=y -+# CONFIG_POSIX_MQUEUE is not set -+# CONFIG_BSD_PROCESS_ACCT is not set -+# CONFIG_TASKSTATS is not set -+# CONFIG_AUDIT is not set -+ -+# -+# RCU Subsystem -+# -+CONFIG_CLASSIC_RCU=y -+# CONFIG_TREE_RCU is not set -+# CONFIG_PREEMPT_RCU is not set -+# CONFIG_TREE_RCU_TRACE is not set -+# CONFIG_PREEMPT_RCU_TRACE is not set -+CONFIG_IKCONFIG=y -+CONFIG_IKCONFIG_PROC=y -+CONFIG_LOG_BUF_SHIFT=16 -+# CONFIG_GROUP_SCHED is not set -+# CONFIG_CGROUPS is not set -+# CONFIG_SYSFS_DEPRECATED_V2 is not set -+# CONFIG_RELAY is not set -+CONFIG_NAMESPACES=y -+# CONFIG_UTS_NS is not set -+# CONFIG_IPC_NS is not set -+# CONFIG_USER_NS is not set -+# CONFIG_PID_NS is not set -+# CONFIG_NET_NS is not set -+CONFIG_BLK_DEV_INITRD=y -+CONFIG_INITRAMFS_SOURCE="" -+CONFIG_CC_OPTIMIZE_FOR_SIZE=y -+CONFIG_SYSCTL=y -+CONFIG_ANON_INODES=y -+CONFIG_PANIC_TIMEOUT=0 -+# CONFIG_EMBEDDED is not set -+CONFIG_UID16=y -+CONFIG_SYSCTL_SYSCALL=y -+CONFIG_KALLSYMS=y -+# CONFIG_KALLSYMS_ALL is not set -+# CONFIG_KALLSYMS_EXTRA_PASS is not set -+CONFIG_HOTPLUG=y -+CONFIG_PRINTK=y -+CONFIG_BUG=y -+CONFIG_ELF_CORE=y -+CONFIG_BASE_FULL=y -+CONFIG_FUTEX=y -+CONFIG_EPOLL=y -+CONFIG_SIGNALFD=y -+CONFIG_TIMERFD=y -+CONFIG_EVENTFD=y -+CONFIG_SHMEM=y -+CONFIG_AIO=y -+CONFIG_ASHMEM=y -+CONFIG_VM_EVENT_COUNTERS=y -+CONFIG_COMPAT_BRK=y -+CONFIG_SLAB=y -+# CONFIG_SLUB is not set -+# CONFIG_SLOB is not set -+# CONFIG_PROFILING is not set -+CONFIG_HAVE_OPROFILE=y -+CONFIG_HAVE_KPROBES=y -+CONFIG_HAVE_KRETPROBES=y -+CONFIG_HAVE_GENERIC_DMA_COHERENT=y -+CONFIG_SLABINFO=y -+CONFIG_RT_MUTEXES=y -+CONFIG_BASE_SMALL=0 -+# CONFIG_MODULES is not set -+CONFIG_BLOCK=y -+# CONFIG_LBD is not set -+# CONFIG_BLK_DEV_IO_TRACE is not set -+# CONFIG_BLK_DEV_BSG is not set -+# CONFIG_BLK_DEV_INTEGRITY is not set -+ -+# -+# IO Schedulers -+# -+CONFIG_IOSCHED_NOOP=y -+CONFIG_IOSCHED_AS=y -+CONFIG_IOSCHED_DEADLINE=y -+CONFIG_IOSCHED_CFQ=y -+CONFIG_DEFAULT_AS=y -+# CONFIG_DEFAULT_DEADLINE is not set -+# CONFIG_DEFAULT_CFQ is not set -+# CONFIG_DEFAULT_NOOP is not set -+CONFIG_DEFAULT_IOSCHED="anticipatory" -+CONFIG_FREEZER=y -+ -+# -+# System Type -+# -+# CONFIG_ARCH_AAEC2000 is not set -+CONFIG_ARCH_GOLDFISH=y -+# CONFIG_ARCH_INTEGRATOR is not set -+# CONFIG_ARCH_REALVIEW is not set -+# CONFIG_ARCH_VERSATILE is not set -+# CONFIG_ARCH_AT91 is not set -+# CONFIG_ARCH_CLPS711X is not set -+# CONFIG_ARCH_EBSA110 is not set -+# CONFIG_ARCH_EP93XX is not set -+# CONFIG_ARCH_FOOTBRIDGE is not set -+# CONFIG_ARCH_NETX is not set -+# CONFIG_ARCH_H720X is not set -+# CONFIG_ARCH_IMX is not set -+# CONFIG_ARCH_IOP13XX is not set -+# CONFIG_ARCH_IOP32X is not set -+# CONFIG_ARCH_IOP33X is not set -+# CONFIG_ARCH_IXP23XX is not set -+# CONFIG_ARCH_IXP2000 is not set -+# CONFIG_ARCH_IXP4XX is not set -+# CONFIG_ARCH_L7200 is not set -+# CONFIG_ARCH_KIRKWOOD is not set -+# CONFIG_ARCH_KS8695 is not set -+# CONFIG_ARCH_NS9XXX is not set -+# CONFIG_ARCH_LOKI is not set -+# CONFIG_ARCH_MV78XX0 is not set -+# CONFIG_ARCH_MXC is not set -+# CONFIG_ARCH_ORION5X is not set -+# CONFIG_ARCH_PNX4008 is not set -+# CONFIG_ARCH_PXA is not set -+# CONFIG_ARCH_RPC is not set -+# CONFIG_ARCH_SA1100 is not set -+# CONFIG_ARCH_S3C2410 is not set -+# CONFIG_ARCH_S3C64XX is not set -+# CONFIG_ARCH_SHARK is not set -+# CONFIG_ARCH_LH7A40X is not set -+# CONFIG_ARCH_DAVINCI is not set -+# CONFIG_ARCH_OMAP is not set -+# CONFIG_ARCH_MSM is not set -+# CONFIG_ARCH_W90X900 is not set -+ -+# -+# Goldfish Options -+# -+CONFIG_MACH_GOLDFISH=y -+ -+# -+# Processor Type -+# -+CONFIG_CPU_32=y -+CONFIG_CPU_ARM926T=y -+CONFIG_CPU_32v5=y -+CONFIG_CPU_ABRT_EV5TJ=y -+CONFIG_CPU_PABRT_NOIFAR=y -+CONFIG_CPU_CACHE_VIVT=y -+CONFIG_CPU_COPY_V4WB=y -+CONFIG_CPU_TLB_V4WBI=y -+CONFIG_CPU_CP15=y -+CONFIG_CPU_CP15_MMU=y -+ -+# -+# Processor Features -+# -+CONFIG_ARM_THUMB=y -+# CONFIG_CPU_ICACHE_DISABLE is not set -+# CONFIG_CPU_DCACHE_DISABLE is not set -+# CONFIG_CPU_DCACHE_WRITETHROUGH is not set -+# CONFIG_CPU_CACHE_ROUND_ROBIN is not set -+# CONFIG_OUTER_CACHE is not set -+ -+# -+# Bus support -+# -+# CONFIG_PCI_SYSCALL is not set -+# CONFIG_ARCH_SUPPORTS_MSI is not set -+# CONFIG_PCCARD is not set -+ -+# -+# Kernel Features -+# -+CONFIG_TICK_ONESHOT=y -+CONFIG_NO_HZ=y -+CONFIG_HIGH_RES_TIMERS=y -+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y -+CONFIG_VMSPLIT_3G=y -+# CONFIG_VMSPLIT_2G is not set -+# CONFIG_VMSPLIT_1G is not set -+CONFIG_PAGE_OFFSET=0xC0000000 -+# CONFIG_PREEMPT is not set -+CONFIG_HZ=100 -+CONFIG_AEABI=y -+# CONFIG_OABI_COMPAT is not set -+CONFIG_ARCH_FLATMEM_HAS_HOLES=y -+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set -+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set -+CONFIG_SELECT_MEMORY_MODEL=y -+CONFIG_FLATMEM_MANUAL=y -+# CONFIG_DISCONTIGMEM_MANUAL is not set -+# CONFIG_SPARSEMEM_MANUAL is not set -+CONFIG_FLATMEM=y -+CONFIG_FLAT_NODE_MEM_MAP=y -+CONFIG_PAGEFLAGS_EXTENDED=y -+CONFIG_SPLIT_PTLOCK_CPUS=4096 -+# CONFIG_PHYS_ADDR_T_64BIT is not set -+CONFIG_ZONE_DMA_FLAG=0 -+CONFIG_VIRT_TO_BUS=y -+CONFIG_UNEVICTABLE_LRU=y -+CONFIG_ALIGNMENT_TRAP=y -+ -+# -+# Boot options -+# -+CONFIG_ZBOOT_ROM_TEXT=0x0 -+CONFIG_ZBOOT_ROM_BSS=0x0 -+CONFIG_CMDLINE="" -+# CONFIG_XIP_KERNEL is not set -+# CONFIG_KEXEC is not set -+ -+# -+# CPU Power Management -+# -+# CONFIG_CPU_IDLE is not set -+ -+# -+# Floating point emulation -+# -+ -+# -+# At least one emulation must be selected -+# -+CONFIG_VFP=y -+ -+# -+# Userspace binary formats -+# -+CONFIG_BINFMT_ELF=y -+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set -+CONFIG_HAVE_AOUT=y -+# CONFIG_BINFMT_AOUT is not set -+CONFIG_BINFMT_MISC=y -+ -+# -+# Power management options -+# -+CONFIG_PM=y -+# CONFIG_PM_DEBUG is not set -+CONFIG_PM_SLEEP=y -+CONFIG_SUSPEND=y -+CONFIG_SUSPEND_FREEZER=y -+CONFIG_HAS_WAKELOCK=y -+CONFIG_HAS_EARLYSUSPEND=y -+CONFIG_WAKELOCK=y -+CONFIG_WAKELOCK_STAT=y -+CONFIG_USER_WAKELOCK=y -+CONFIG_EARLYSUSPEND=y -+# CONFIG_NO_USER_SPACE_SCREEN_ACCESS_CONTROL is not set -+CONFIG_CONSOLE_EARLYSUSPEND=y -+# CONFIG_FB_EARLYSUSPEND is not set -+# CONFIG_APM_EMULATION is not set -+CONFIG_ARCH_SUSPEND_POSSIBLE=y -+CONFIG_NET=y -+ -+# -+# Networking options -+# -+CONFIG_COMPAT_NET_DEV_OPS=y -+CONFIG_PACKET=y -+CONFIG_PACKET_MMAP=y -+CONFIG_UNIX=y -+CONFIG_XFRM=y -+# CONFIG_XFRM_USER is not set -+# CONFIG_XFRM_SUB_POLICY is not set -+# CONFIG_XFRM_MIGRATE is not set -+# CONFIG_XFRM_STATISTICS is not set -+CONFIG_XFRM_IPCOMP=y -+# CONFIG_NET_KEY is not set -+CONFIG_INET=y -+CONFIG_IP_MULTICAST=y -+# CONFIG_IP_ADVANCED_ROUTER is not set -+CONFIG_IP_FIB_HASH=y -+CONFIG_IP_PNP=y -+CONFIG_IP_PNP_DHCP=y -+CONFIG_IP_PNP_BOOTP=y -+# CONFIG_IP_PNP_RARP is not set -+CONFIG_NET_IPIP=y -+CONFIG_NET_IPGRE=y -+CONFIG_NET_IPGRE_BROADCAST=y -+CONFIG_IP_MROUTE=y -+CONFIG_IP_PIMSM_V1=y -+CONFIG_IP_PIMSM_V2=y -+CONFIG_ARPD=y -+CONFIG_SYN_COOKIES=y -+CONFIG_INET_AH=y -+CONFIG_INET_ESP=y -+CONFIG_INET_IPCOMP=y -+CONFIG_INET_XFRM_TUNNEL=y -+CONFIG_INET_TUNNEL=y -+CONFIG_INET_XFRM_MODE_TRANSPORT=y -+CONFIG_INET_XFRM_MODE_TUNNEL=y -+CONFIG_INET_XFRM_MODE_BEET=y -+# CONFIG_INET_LRO is not set -+CONFIG_INET_DIAG=y -+CONFIG_INET_TCP_DIAG=y -+# CONFIG_TCP_CONG_ADVANCED is not set -+CONFIG_TCP_CONG_CUBIC=y -+CONFIG_DEFAULT_TCP_CONG="cubic" -+# CONFIG_TCP_MD5SIG is not set -+# CONFIG_IPV6 is not set -+CONFIG_ANDROID_PARANOID_NETWORK=y -+# CONFIG_NETWORK_SECMARK is not set -+# CONFIG_NETFILTER is not set -+# CONFIG_IP_DCCP is not set -+# CONFIG_IP_SCTP is not set -+# CONFIG_TIPC is not set -+# CONFIG_ATM is not set -+CONFIG_STP=y -+CONFIG_BRIDGE=y -+# CONFIG_NET_DSA is not set -+CONFIG_VLAN_8021Q=y -+# CONFIG_VLAN_8021Q_GVRP is not set -+# CONFIG_DECNET is not set -+CONFIG_LLC=y -+# CONFIG_LLC2 is not set -+# CONFIG_IPX is not set -+# CONFIG_ATALK is not set -+# CONFIG_X25 is not set -+# CONFIG_LAPB is not set -+# CONFIG_ECONET is not set -+# CONFIG_WAN_ROUTER is not set -+# CONFIG_NET_SCHED is not set -+# CONFIG_DCB is not set -+ -+# -+# Network testing -+# -+# CONFIG_NET_PKTGEN is not set -+# CONFIG_HAMRADIO is not set -+# CONFIG_CAN is not set -+# CONFIG_IRDA is not set -+# CONFIG_BT is not set -+# CONFIG_AF_RXRPC is not set -+# CONFIG_PHONET is not set -+CONFIG_WIRELESS=y -+# CONFIG_CFG80211 is not set -+CONFIG_WIRELESS_OLD_REGULATORY=y -+# CONFIG_WIRELESS_EXT is not set -+# CONFIG_LIB80211 is not set -+# CONFIG_MAC80211 is not set -+# CONFIG_WIMAX is not set -+# CONFIG_RFKILL is not set -+# CONFIG_NET_9P is not set -+ -+# -+# Device Drivers -+# -+ -+# -+# Generic Driver Options -+# -+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" -+CONFIG_STANDALONE=y -+CONFIG_PREVENT_FIRMWARE_BUILD=y -+CONFIG_FW_LOADER=y -+CONFIG_FIRMWARE_IN_KERNEL=y -+CONFIG_EXTRA_FIRMWARE="" -+# CONFIG_DEBUG_DRIVER is not set -+# CONFIG_DEBUG_DEVRES is not set -+# CONFIG_SYS_HYPERVISOR is not set -+CONFIG_CONNECTOR=y -+CONFIG_PROC_EVENTS=y -+CONFIG_MTD=y -+# CONFIG_MTD_DEBUG is not set -+# CONFIG_MTD_CONCAT is not set -+# CONFIG_MTD_PARTITIONS is not set -+ -+# -+# User Modules And Translation Layers -+# -+CONFIG_MTD_CHAR=y -+CONFIG_MTD_BLKDEVS=y -+CONFIG_MTD_BLOCK=y -+# CONFIG_FTL is not set -+# CONFIG_NFTL is not set -+# CONFIG_INFTL is not set -+# CONFIG_RFD_FTL is not set -+# CONFIG_SSFDC is not set -+# CONFIG_MTD_OOPS is not set -+ -+# -+# RAM/ROM/Flash chip drivers -+# -+# CONFIG_MTD_CFI is not set -+# CONFIG_MTD_JEDECPROBE is not set -+CONFIG_MTD_MAP_BANK_WIDTH_1=y -+CONFIG_MTD_MAP_BANK_WIDTH_2=y -+CONFIG_MTD_MAP_BANK_WIDTH_4=y -+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set -+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set -+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set -+CONFIG_MTD_CFI_I1=y -+CONFIG_MTD_CFI_I2=y -+# CONFIG_MTD_CFI_I4 is not set -+# CONFIG_MTD_CFI_I8 is not set -+# CONFIG_MTD_RAM is not set -+# CONFIG_MTD_ROM is not set -+# CONFIG_MTD_ABSENT is not set -+ -+# -+# Mapping drivers for chip access -+# -+# CONFIG_MTD_COMPLEX_MAPPINGS is not set -+# CONFIG_MTD_PLATRAM is not set -+ -+# -+# Self-contained MTD device drivers -+# -+# CONFIG_MTD_SLRAM is not set -+# CONFIG_MTD_PHRAM is not set -+# CONFIG_MTD_MTDRAM is not set -+# CONFIG_MTD_BLOCK2MTD is not set -+ -+# -+# Disk-On-Chip Device Drivers -+# -+# CONFIG_MTD_DOC2000 is not set -+# CONFIG_MTD_DOC2001 is not set -+# CONFIG_MTD_DOC2001PLUS is not set -+CONFIG_MTD_GOLDFISH_NAND=y -+# CONFIG_MTD_NAND is not set -+# CONFIG_MTD_ONENAND is not set -+ -+# -+# LPDDR flash memory drivers -+# -+# CONFIG_MTD_LPDDR is not set -+ -+# -+# UBI - Unsorted block images -+# -+# CONFIG_MTD_UBI is not set -+# CONFIG_PARPORT is not set -+CONFIG_BLK_DEV=y -+# CONFIG_BLK_DEV_COW_COMMON is not set -+CONFIG_BLK_DEV_LOOP=y -+# CONFIG_BLK_DEV_CRYPTOLOOP is not set -+CONFIG_BLK_DEV_NBD=y -+CONFIG_BLK_DEV_RAM=y -+CONFIG_BLK_DEV_RAM_COUNT=16 -+CONFIG_BLK_DEV_RAM_SIZE=8192 -+# CONFIG_BLK_DEV_XIP is not set -+# CONFIG_CDROM_PKTCDVD is not set -+# CONFIG_ATA_OVER_ETH is not set -+CONFIG_MISC_DEVICES=y -+CONFIG_ANDROID_PMEM=y -+# CONFIG_ENCLOSURE_SERVICES is not set -+# CONFIG_KERNEL_DEBUGGER_CORE is not set -+# CONFIG_UID_STAT is not set -+CONFIG_QEMU_TRACE=y -+# CONFIG_C2PORT is not set -+ -+# -+# EEPROM support -+# -+# CONFIG_EEPROM_93CX6 is not set -+CONFIG_HAVE_IDE=y -+# CONFIG_IDE is not set -+ -+# -+# SCSI device support -+# -+# CONFIG_RAID_ATTRS is not set -+# CONFIG_SCSI is not set -+# CONFIG_SCSI_DMA is not set -+# CONFIG_SCSI_NETLINK is not set -+# CONFIG_ATA is not set -+# CONFIG_MD is not set -+CONFIG_NETDEVICES=y -+# CONFIG_DUMMY is not set -+# CONFIG_BONDING is not set -+# CONFIG_MACVLAN is not set -+# CONFIG_EQUALIZER is not set -+# CONFIG_TUN is not set -+# CONFIG_VETH is not set -+# CONFIG_PHYLIB is not set -+CONFIG_NET_ETHERNET=y -+CONFIG_MII=y -+# CONFIG_AX88796 is not set -+CONFIG_SMC91X=y -+# CONFIG_DM9000 is not set -+# CONFIG_SMC911X is not set -+# CONFIG_SMSC911X is not set -+# CONFIG_DNET is not set -+# CONFIG_IBM_NEW_EMAC_ZMII is not set -+# CONFIG_IBM_NEW_EMAC_RGMII is not set -+# CONFIG_IBM_NEW_EMAC_TAH is not set -+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set -+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set -+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set -+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set -+# CONFIG_B44 is not set -+CONFIG_NETDEV_1000=y -+CONFIG_NETDEV_10000=y -+ -+# -+# Wireless LAN -+# -+# CONFIG_WLAN_PRE80211 is not set -+# CONFIG_WLAN_80211 is not set -+# CONFIG_IWLWIFI_LEDS is not set -+ -+# -+# Enable WiMAX (Networking options) to see the WiMAX drivers -+# -+# CONFIG_WAN is not set -+# CONFIG_PPP is not set -+# CONFIG_SLIP is not set -+# CONFIG_NETCONSOLE is not set -+# CONFIG_NETPOLL is not set -+# CONFIG_NET_POLL_CONTROLLER is not set -+# CONFIG_ISDN is not set -+ -+# -+# Input device support -+# -+CONFIG_INPUT=y -+# CONFIG_INPUT_FF_MEMLESS is not set -+# CONFIG_INPUT_POLLDEV is not set -+ -+# -+# Userland interfaces -+# -+CONFIG_INPUT_MOUSEDEV=y -+CONFIG_INPUT_MOUSEDEV_PSAUX=y -+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 -+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 -+# CONFIG_INPUT_JOYDEV is not set -+CONFIG_INPUT_EVDEV=y -+# CONFIG_INPUT_EVBUG is not set -+# CONFIG_INPUT_KEYRESET is not set -+ -+# -+# Input Device Drivers -+# -+CONFIG_INPUT_KEYBOARD=y -+CONFIG_KEYBOARD_ATKBD=y -+# CONFIG_KEYBOARD_SUNKBD is not set -+# CONFIG_KEYBOARD_LKKBD is not set -+# CONFIG_KEYBOARD_XTKBD is not set -+# CONFIG_KEYBOARD_NEWTON is not set -+# CONFIG_KEYBOARD_STOWAWAY is not set -+CONFIG_KEYBOARD_GOLDFISH_EVENTS=y -+# CONFIG_INPUT_MOUSE is not set -+# CONFIG_INPUT_JOYSTICK is not set -+# CONFIG_INPUT_TABLET is not set -+# CONFIG_INPUT_TOUCHSCREEN is not set -+CONFIG_INPUT_MISC=y -+# CONFIG_INPUT_ATI_REMOTE is not set -+# CONFIG_INPUT_ATI_REMOTE2 is not set -+# CONFIG_INPUT_KEYSPAN_REMOTE is not set -+# CONFIG_INPUT_POWERMATE is not set -+# CONFIG_INPUT_YEALINK is not set -+# CONFIG_INPUT_CM109 is not set -+# CONFIG_INPUT_UINPUT is not set -+# CONFIG_INPUT_GPIO is not set -+# CONFIG_INPUT_KEYCHORD is not set -+ -+# -+# Hardware I/O ports -+# -+CONFIG_SERIO=y -+# CONFIG_SERIO_SERPORT is not set -+CONFIG_SERIO_LIBPS2=y -+# CONFIG_SERIO_RAW is not set -+# CONFIG_GAMEPORT is not set -+ -+# -+# Character devices -+# -+CONFIG_VT=y -+CONFIG_CONSOLE_TRANSLATIONS=y -+CONFIG_VT_CONSOLE=y -+CONFIG_HW_CONSOLE=y -+# CONFIG_VT_HW_CONSOLE_BINDING is not set -+CONFIG_DEVMEM=y -+CONFIG_DEVKMEM=y -+# CONFIG_SERIAL_NONSTANDARD is not set -+ -+# -+# Serial drivers -+# -+# CONFIG_SERIAL_8250 is not set -+ -+# -+# Non-8250 serial port support -+# -+CONFIG_UNIX98_PTYS=y -+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set -+# CONFIG_LEGACY_PTYS is not set -+# CONFIG_IPMI_HANDLER is not set -+CONFIG_HW_RANDOM=y -+# CONFIG_R3964 is not set -+# CONFIG_RAW_DRIVER is not set -+# CONFIG_TCG_TPM is not set -+# CONFIG_DCC_TTY is not set -+CONFIG_GOLDFISH_TTY=y -+# CONFIG_I2C is not set -+# CONFIG_SPI is not set -+# CONFIG_W1 is not set -+CONFIG_POWER_SUPPLY=y -+# CONFIG_POWER_SUPPLY_DEBUG is not set -+# CONFIG_PDA_POWER is not set -+# CONFIG_BATTERY_DS2760 is not set -+CONFIG_BATTERY_GOLDFISH=y -+# CONFIG_HWMON is not set -+# CONFIG_THERMAL is not set -+# CONFIG_THERMAL_HWMON is not set -+# CONFIG_WATCHDOG is not set -+CONFIG_SSB_POSSIBLE=y -+ -+# -+# Sonics Silicon Backplane -+# -+# CONFIG_SSB is not set -+ -+# -+# Multifunction device drivers -+# -+# CONFIG_MFD_CORE is not set -+# CONFIG_MFD_SM501 is not set -+# CONFIG_HTC_PASIC3 is not set -+# CONFIG_MFD_TMIO is not set -+ -+# -+# Multimedia devices -+# -+ -+# -+# Multimedia core support -+# -+# CONFIG_VIDEO_DEV is not set -+# CONFIG_DVB_CORE is not set -+# CONFIG_VIDEO_MEDIA is not set -+ -+# -+# Multimedia drivers -+# -+# CONFIG_DAB is not set -+ -+# -+# Graphics support -+# -+# CONFIG_VGASTATE is not set -+# CONFIG_VIDEO_OUTPUT_CONTROL is not set -+CONFIG_FB=y -+# CONFIG_FIRMWARE_EDID is not set -+# CONFIG_FB_DDC is not set -+# CONFIG_FB_BOOT_VESA_SUPPORT is not set -+CONFIG_FB_CFB_FILLRECT=y -+CONFIG_FB_CFB_COPYAREA=y -+CONFIG_FB_CFB_IMAGEBLIT=y -+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set -+# CONFIG_FB_SYS_FILLRECT is not set -+# CONFIG_FB_SYS_COPYAREA is not set -+# CONFIG_FB_SYS_IMAGEBLIT is not set -+# CONFIG_FB_FOREIGN_ENDIAN is not set -+# CONFIG_FB_SYS_FOPS is not set -+# CONFIG_FB_SVGALIB is not set -+# CONFIG_FB_MACMODES is not set -+# CONFIG_FB_BACKLIGHT is not set -+CONFIG_FB_MODE_HELPERS=y -+CONFIG_FB_TILEBLITTING=y -+ -+# -+# Frame buffer hardware drivers -+# -+# CONFIG_FB_UVESA is not set -+# CONFIG_FB_S1D13XXX is not set -+CONFIG_FB_GOLDFISH=y -+# CONFIG_FB_VIRTUAL is not set -+# CONFIG_FB_METRONOME is not set -+# CONFIG_FB_MB862XX is not set -+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set -+ -+# -+# Display device support -+# -+# CONFIG_DISPLAY_SUPPORT is not set -+ -+# -+# Console display driver support -+# -+# CONFIG_VGA_CONSOLE is not set -+CONFIG_DUMMY_CONSOLE=y -+CONFIG_FRAMEBUFFER_CONSOLE=y -+# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set -+# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set -+# CONFIG_FONTS is not set -+CONFIG_FONT_8x8=y -+CONFIG_FONT_8x16=y -+# CONFIG_LOGO is not set -+# CONFIG_SOUND is not set -+CONFIG_HID_SUPPORT=y -+CONFIG_HID=y -+# CONFIG_HID_DEBUG is not set -+# CONFIG_HIDRAW is not set -+# CONFIG_HID_PID is not set -+ -+# -+# Special HID drivers -+# -+CONFIG_HID_COMPAT=y -+CONFIG_USB_SUPPORT=y -+CONFIG_USB_ARCH_HAS_HCD=y -+# CONFIG_USB_ARCH_HAS_OHCI is not set -+# CONFIG_USB_ARCH_HAS_EHCI is not set -+# CONFIG_USB is not set -+ -+# -+# Enable Host or Gadget support to see Inventra options -+# -+ -+# -+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed; -+# -+# CONFIG_USB_GADGET is not set -+ -+# -+# OTG and related infrastructure -+# -+CONFIG_MMC=y -+# CONFIG_MMC_DEBUG is not set -+# CONFIG_MMC_UNSAFE_RESUME is not set -+# CONFIG_MMC_EMBEDDED_SDIO is not set -+# CONFIG_MMC_PARANOID_SD_INIT is not set -+ -+# -+# MMC/SD/SDIO Card Drivers -+# -+CONFIG_MMC_BLOCK=y -+CONFIG_MMC_BLOCK_BOUNCE=y -+CONFIG_MMC_BLOCK_PARANOID_RESUME=y -+# CONFIG_SDIO_UART is not set -+# CONFIG_MMC_TEST is not set -+ -+# -+# MMC/SD/SDIO Host Controller Drivers -+# -+# CONFIG_MMC_SDHCI is not set -+CONFIG_MMC_GOLDFISH=y -+# CONFIG_MEMSTICK is not set -+# CONFIG_ACCESSIBILITY is not set -+# CONFIG_NEW_LEDS is not set -+# CONFIG_SWITCH is not set -+CONFIG_RTC_LIB=y -+CONFIG_RTC_CLASS=y -+CONFIG_RTC_HCTOSYS=y -+CONFIG_RTC_HCTOSYS_DEVICE="rtc0" -+# CONFIG_RTC_DEBUG is not set -+ -+# -+# RTC interfaces -+# -+CONFIG_RTC_INTF_SYSFS=y -+CONFIG_RTC_INTF_PROC=y -+CONFIG_RTC_INTF_DEV=y -+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set -+CONFIG_RTC_INTF_ALARM=y -+# CONFIG_RTC_DRV_TEST is not set -+ -+# -+# SPI RTC drivers -+# -+ -+# -+# Platform RTC drivers -+# -+# CONFIG_RTC_DRV_CMOS is not set -+# CONFIG_RTC_DRV_DS1286 is not set -+# CONFIG_RTC_DRV_DS1511 is not set -+# CONFIG_RTC_DRV_DS1553 is not set -+# CONFIG_RTC_DRV_DS1742 is not set -+# CONFIG_RTC_DRV_STK17TA8 is not set -+# CONFIG_RTC_DRV_M48T86 is not set -+# CONFIG_RTC_DRV_M48T35 is not set -+# CONFIG_RTC_DRV_M48T59 is not set -+# CONFIG_RTC_DRV_BQ4802 is not set -+# CONFIG_RTC_DRV_V3020 is not set -+ -+# -+# on-CPU RTC drivers -+# -+CONFIG_RTC_DRV_GOLDFISH=y -+# CONFIG_DMADEVICES is not set -+# CONFIG_REGULATOR is not set -+# CONFIG_UIO is not set -+CONFIG_STAGING=y -+# CONFIG_STAGING_EXCLUDE_BUILD is not set -+# CONFIG_ECHO is not set -+ -+# -+# Android -+# -+CONFIG_ANDROID=y -+CONFIG_ANDROID_BINDER_IPC=y -+CONFIG_ANDROID_LOGGER=y -+# CONFIG_ANDROID_RAM_CONSOLE is not set -+CONFIG_ANDROID_TIMED_OUTPUT=y -+CONFIG_ANDROID_LOW_MEMORY_KILLER=y -+ -+# -+# File systems -+# -+# CONFIG_EXT2_FS is not set -+# CONFIG_EXT3_FS is not set -+# CONFIG_EXT4_FS is not set -+# CONFIG_REISERFS_FS is not set -+# CONFIG_JFS_FS is not set -+# CONFIG_FS_POSIX_ACL is not set -+CONFIG_FILE_LOCKING=y -+# CONFIG_XFS_FS is not set -+# CONFIG_OCFS2_FS is not set -+# CONFIG_BTRFS_FS is not set -+CONFIG_DNOTIFY=y -+CONFIG_INOTIFY=y -+CONFIG_INOTIFY_USER=y -+# CONFIG_QUOTA is not set -+# CONFIG_AUTOFS_FS is not set -+# CONFIG_AUTOFS4_FS is not set -+# CONFIG_FUSE_FS is not set -+ -+# -+# CD-ROM/DVD Filesystems -+# -+# CONFIG_ISO9660_FS is not set -+# CONFIG_UDF_FS is not set -+ -+# -+# DOS/FAT/NT Filesystems -+# -+CONFIG_FAT_FS=y -+CONFIG_MSDOS_FS=y -+CONFIG_VFAT_FS=y -+CONFIG_FAT_DEFAULT_CODEPAGE=437 -+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" -+# CONFIG_NTFS_FS is not set -+ -+# -+# Pseudo filesystems -+# -+CONFIG_PROC_FS=y -+CONFIG_PROC_SYSCTL=y -+CONFIG_PROC_PAGE_MONITOR=y -+CONFIG_SYSFS=y -+CONFIG_TMPFS=y -+# CONFIG_TMPFS_POSIX_ACL is not set -+# CONFIG_HUGETLB_PAGE is not set -+# CONFIG_CONFIGFS_FS is not set -+CONFIG_MISC_FILESYSTEMS=y -+# CONFIG_ADFS_FS is not set -+# CONFIG_AFFS_FS is not set -+# CONFIG_HFS_FS is not set -+# CONFIG_HFSPLUS_FS is not set -+# CONFIG_BEFS_FS is not set -+# CONFIG_BFS_FS is not set -+# CONFIG_EFS_FS is not set -+CONFIG_YAFFS_FS=y -+CONFIG_YAFFS_YAFFS1=y -+# CONFIG_YAFFS_9BYTE_TAGS is not set -+# CONFIG_YAFFS_DOES_ECC is not set -+CONFIG_YAFFS_YAFFS2=y -+CONFIG_YAFFS_AUTO_YAFFS2=y -+# CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set -+# CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set -+# CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED is not set -+CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y -+# CONFIG_JFFS2_FS is not set -+# CONFIG_CRAMFS is not set -+# CONFIG_SQUASHFS is not set -+# CONFIG_VXFS_FS is not set -+# CONFIG_MINIX_FS is not set -+# CONFIG_OMFS_FS is not set -+# CONFIG_HPFS_FS is not set -+# CONFIG_QNX4FS_FS is not set -+# CONFIG_ROMFS_FS is not set -+# CONFIG_SYSV_FS is not set -+# CONFIG_UFS_FS is not set -+CONFIG_NETWORK_FILESYSTEMS=y -+# CONFIG_NFS_FS is not set -+CONFIG_NFSD=y -+CONFIG_NFSD_V3=y -+# CONFIG_NFSD_V3_ACL is not set -+# CONFIG_NFSD_V4 is not set -+CONFIG_LOCKD=y -+CONFIG_LOCKD_V4=y -+CONFIG_EXPORTFS=y -+CONFIG_NFS_COMMON=y -+CONFIG_SUNRPC=y -+# CONFIG_SUNRPC_REGISTER_V4 is not set -+# CONFIG_RPCSEC_GSS_KRB5 is not set -+# CONFIG_RPCSEC_GSS_SPKM3 is not set -+CONFIG_SMB_FS=y -+# CONFIG_SMB_NLS_DEFAULT is not set -+# CONFIG_CIFS is not set -+# CONFIG_NCP_FS is not set -+# CONFIG_CODA_FS is not set -+# CONFIG_AFS_FS is not set -+ -+# -+# Partition Types -+# -+# CONFIG_PARTITION_ADVANCED is not set -+CONFIG_MSDOS_PARTITION=y -+CONFIG_NLS=y -+CONFIG_NLS_DEFAULT="iso8859-1" -+CONFIG_NLS_CODEPAGE_437=y -+# CONFIG_NLS_CODEPAGE_737 is not set -+# CONFIG_NLS_CODEPAGE_775 is not set -+# CONFIG_NLS_CODEPAGE_850 is not set -+# CONFIG_NLS_CODEPAGE_852 is not set -+# CONFIG_NLS_CODEPAGE_855 is not set -+# CONFIG_NLS_CODEPAGE_857 is not set -+# CONFIG_NLS_CODEPAGE_860 is not set -+# CONFIG_NLS_CODEPAGE_861 is not set -+# CONFIG_NLS_CODEPAGE_862 is not set -+# CONFIG_NLS_CODEPAGE_863 is not set -+# CONFIG_NLS_CODEPAGE_864 is not set -+# CONFIG_NLS_CODEPAGE_865 is not set -+# CONFIG_NLS_CODEPAGE_866 is not set -+# CONFIG_NLS_CODEPAGE_869 is not set -+# CONFIG_NLS_CODEPAGE_936 is not set -+# CONFIG_NLS_CODEPAGE_950 is not set -+# CONFIG_NLS_CODEPAGE_932 is not set -+# CONFIG_NLS_CODEPAGE_949 is not set -+# CONFIG_NLS_CODEPAGE_874 is not set -+# CONFIG_NLS_ISO8859_8 is not set -+# CONFIG_NLS_CODEPAGE_1250 is not set -+# CONFIG_NLS_CODEPAGE_1251 is not set -+# CONFIG_NLS_ASCII is not set -+CONFIG_NLS_ISO8859_1=y -+# CONFIG_NLS_ISO8859_2 is not set -+# CONFIG_NLS_ISO8859_3 is not set -+# CONFIG_NLS_ISO8859_4 is not set -+# CONFIG_NLS_ISO8859_5 is not set -+# CONFIG_NLS_ISO8859_6 is not set -+# CONFIG_NLS_ISO8859_7 is not set -+# CONFIG_NLS_ISO8859_9 is not set -+# CONFIG_NLS_ISO8859_13 is not set -+# CONFIG_NLS_ISO8859_14 is not set -+# CONFIG_NLS_ISO8859_15 is not set -+# CONFIG_NLS_KOI8_R is not set -+# CONFIG_NLS_KOI8_U is not set -+# CONFIG_NLS_UTF8 is not set -+# CONFIG_DLM is not set -+ -+# -+# Kernel hacking -+# -+# CONFIG_PRINTK_TIME is not set -+CONFIG_ENABLE_WARN_DEPRECATED=y -+CONFIG_ENABLE_MUST_CHECK=y -+CONFIG_FRAME_WARN=1024 -+CONFIG_MAGIC_SYSRQ=y -+# CONFIG_UNUSED_SYMBOLS is not set -+# CONFIG_DEBUG_FS is not set -+# CONFIG_HEADERS_CHECK is not set -+CONFIG_DEBUG_KERNEL=y -+# CONFIG_DEBUG_SHIRQ is not set -+# CONFIG_DETECT_SOFTLOCKUP is not set -+CONFIG_SCHED_DEBUG=y -+CONFIG_SCHEDSTATS=y -+# CONFIG_TIMER_STATS is not set -+# CONFIG_DEBUG_OBJECTS is not set -+# CONFIG_DEBUG_SLAB is not set -+# CONFIG_DEBUG_RT_MUTEXES is not set -+# CONFIG_RT_MUTEX_TESTER is not set -+# CONFIG_DEBUG_SPINLOCK is not set -+# CONFIG_DEBUG_MUTEXES is not set -+# CONFIG_DEBUG_LOCK_ALLOC is not set -+# CONFIG_PROVE_LOCKING is not set -+# CONFIG_LOCK_STAT is not set -+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set -+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set -+# CONFIG_DEBUG_KOBJECT is not set -+CONFIG_DEBUG_BUGVERBOSE=y -+# CONFIG_DEBUG_INFO is not set -+# CONFIG_DEBUG_VM is not set -+# CONFIG_DEBUG_WRITECOUNT is not set -+CONFIG_DEBUG_MEMORY_INIT=y -+# CONFIG_DEBUG_LIST is not set -+# CONFIG_DEBUG_SG is not set -+# CONFIG_DEBUG_NOTIFIERS is not set -+CONFIG_FRAME_POINTER=y -+# CONFIG_BOOT_PRINTK_DELAY is not set -+# CONFIG_RCU_TORTURE_TEST is not set -+# CONFIG_RCU_CPU_STALL_DETECTOR is not set -+# CONFIG_BACKTRACE_SELF_TEST is not set -+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set -+# CONFIG_FAULT_INJECTION is not set -+# CONFIG_LATENCYTOP is not set -+# CONFIG_SYSCTL_SYSCALL_CHECK is not set -+CONFIG_HAVE_FUNCTION_TRACER=y -+ -+# -+# Tracers -+# -+# CONFIG_FUNCTION_TRACER is not set -+# CONFIG_IRQSOFF_TRACER is not set -+# CONFIG_SCHED_TRACER is not set -+# CONFIG_CONTEXT_SWITCH_TRACER is not set -+# CONFIG_BOOT_TRACER is not set -+# CONFIG_TRACE_BRANCH_PROFILING is not set -+# CONFIG_STACK_TRACER is not set -+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set -+# CONFIG_SAMPLES is not set -+CONFIG_HAVE_ARCH_KGDB=y -+# CONFIG_KGDB is not set -+# CONFIG_DEBUG_USER is not set -+# CONFIG_DEBUG_ERRORS is not set -+# CONFIG_DEBUG_STACK_USAGE is not set -+# CONFIG_DEBUG_LL is not set -+ -+# -+# Security options -+# -+# CONFIG_KEYS is not set -+# CONFIG_SECURITY is not set -+# CONFIG_SECURITYFS is not set -+# CONFIG_SECURITY_FILE_CAPABILITIES is not set -+CONFIG_CRYPTO=y -+ -+# -+# Crypto core or helper -+# -+# CONFIG_CRYPTO_FIPS is not set -+CONFIG_CRYPTO_ALGAPI=y -+CONFIG_CRYPTO_ALGAPI2=y -+CONFIG_CRYPTO_AEAD=y -+CONFIG_CRYPTO_AEAD2=y -+CONFIG_CRYPTO_BLKCIPHER=y -+CONFIG_CRYPTO_BLKCIPHER2=y -+CONFIG_CRYPTO_HASH=y -+CONFIG_CRYPTO_HASH2=y -+CONFIG_CRYPTO_RNG2=y -+CONFIG_CRYPTO_MANAGER=y -+CONFIG_CRYPTO_MANAGER2=y -+# CONFIG_CRYPTO_GF128MUL is not set -+# CONFIG_CRYPTO_NULL is not set -+# CONFIG_CRYPTO_CRYPTD is not set -+CONFIG_CRYPTO_AUTHENC=y -+ -+# -+# Authenticated Encryption with Associated Data -+# -+# CONFIG_CRYPTO_CCM is not set -+# CONFIG_CRYPTO_GCM is not set -+# CONFIG_CRYPTO_SEQIV is not set -+ -+# -+# Block modes -+# -+CONFIG_CRYPTO_CBC=y -+# CONFIG_CRYPTO_CTR is not set -+# CONFIG_CRYPTO_CTS is not set -+CONFIG_CRYPTO_ECB=y -+# CONFIG_CRYPTO_LRW is not set -+CONFIG_CRYPTO_PCBC=y -+# CONFIG_CRYPTO_XTS is not set -+ -+# -+# Hash modes -+# -+CONFIG_CRYPTO_HMAC=y -+# CONFIG_CRYPTO_XCBC is not set -+ -+# -+# Digest -+# -+# CONFIG_CRYPTO_CRC32C is not set -+# CONFIG_CRYPTO_MD4 is not set -+CONFIG_CRYPTO_MD5=y -+# CONFIG_CRYPTO_MICHAEL_MIC is not set -+# CONFIG_CRYPTO_RMD128 is not set -+# CONFIG_CRYPTO_RMD160 is not set -+# CONFIG_CRYPTO_RMD256 is not set -+# CONFIG_CRYPTO_RMD320 is not set -+CONFIG_CRYPTO_SHA1=y -+# CONFIG_CRYPTO_SHA256 is not set -+# CONFIG_CRYPTO_SHA512 is not set -+# CONFIG_CRYPTO_TGR192 is not set -+# CONFIG_CRYPTO_WP512 is not set -+ -+# -+# Ciphers -+# -+# CONFIG_CRYPTO_AES is not set -+# CONFIG_CRYPTO_ANUBIS is not set -+# CONFIG_CRYPTO_ARC4 is not set -+# CONFIG_CRYPTO_BLOWFISH is not set -+# CONFIG_CRYPTO_CAMELLIA is not set -+# CONFIG_CRYPTO_CAST5 is not set -+# CONFIG_CRYPTO_CAST6 is not set -+CONFIG_CRYPTO_DES=y -+# CONFIG_CRYPTO_FCRYPT is not set -+# CONFIG_CRYPTO_KHAZAD is not set -+# CONFIG_CRYPTO_SALSA20 is not set -+# CONFIG_CRYPTO_SEED is not set -+# CONFIG_CRYPTO_SERPENT is not set -+# CONFIG_CRYPTO_TEA is not set -+# CONFIG_CRYPTO_TWOFISH is not set -+ -+# -+# Compression -+# -+CONFIG_CRYPTO_DEFLATE=y -+# CONFIG_CRYPTO_LZO is not set -+ -+# -+# Random Number Generation -+# -+# CONFIG_CRYPTO_ANSI_CPRNG is not set -+CONFIG_CRYPTO_HW=y -+ -+# -+# Library routines -+# -+CONFIG_BITREVERSE=y -+CONFIG_GENERIC_FIND_LAST_BIT=y -+# CONFIG_CRC_CCITT is not set -+# CONFIG_CRC16 is not set -+# CONFIG_CRC_T10DIF is not set -+# CONFIG_CRC_ITU_T is not set -+CONFIG_CRC32=y -+# CONFIG_CRC7 is not set -+# CONFIG_LIBCRC32C is not set -+CONFIG_ZLIB_INFLATE=y -+CONFIG_ZLIB_DEFLATE=y -+CONFIG_PLIST=y -+CONFIG_HAS_IOMEM=y -+CONFIG_HAS_IOPORT=y -+CONFIG_HAS_DMA=y ---- /dev/null -+++ b/arch/arm/mach-goldfish/Kconfig -@@ -0,0 +1,11 @@ -+if ARCH_GOLDFISH -+ -+menu "Goldfish Options" -+ -+config MACH_GOLDFISH -+ bool "Goldfish (Virtual Platform)" -+ select CPU_ARM926T -+ -+endmenu -+ -+endif ---- /dev/null -+++ b/arch/arm/mach-goldfish/Makefile -@@ -0,0 +1,9 @@ -+# -+# Makefile for the linux kernel. -+# -+ -+# Object file lists. -+ -+obj-y := pdev_bus.o timer.o -+obj-$(CONFIG_MACH_GOLDFISH) += board-goldfish.o -+ ---- /dev/null -+++ b/arch/arm/mach-goldfish/Makefile.boot -@@ -0,0 +1,4 @@ -+ zreladdr-y := 0x00008000 -+params_phys-y := 0x00000100 -+initrd_phys-y := 0x00800000 -+ ---- /dev/null -+++ b/arch/arm/mach-goldfish/board-goldfish.c -@@ -0,0 +1,122 @@ -+/* arch/arm/mach-goldfish/board-goldfish.c -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#include <linux/kernel.h> -+#include <linux/init.h> -+#include <linux/interrupt.h> -+#include <linux/irq.h> -+#include <linux/platform_device.h> -+#include <linux/delay.h> -+#include <linux/mtd/mtd.h> -+#include <linux/mtd/nand.h> -+#include <linux/mtd/partitions.h> -+#include <linux/input.h> -+ -+#include <mach/hardware.h> -+#include <asm/io.h> -+#include <asm/mach-types.h> -+#include <asm/mach/arch.h> -+#include <asm/mach/flash.h> -+#include <asm/mach/map.h> -+#include <asm/mach/time.h> -+ -+int GOLDFISH_READY = 0; -+ -+static struct resource goldfish_pdev_bus_resources[] = { -+ { -+ .start = GOLDFISH_PDEV_BUS_BASE, -+ .end = GOLDFISH_PDEV_BUS_BASE + GOLDFISH_PDEV_BUS_END - 1, -+ .flags = IORESOURCE_IO, -+ }, -+ { -+ .start = IRQ_PDEV_BUS, -+ .end = IRQ_PDEV_BUS, -+ .flags = IORESOURCE_IRQ, -+ } -+}; -+ -+ -+struct platform_device goldfish_pdev_bus_device = { -+ .name = "goldfish_pdev_bus", -+ .id = -1, -+ .num_resources = ARRAY_SIZE(goldfish_pdev_bus_resources), -+ .resource = goldfish_pdev_bus_resources -+}; -+ -+static void __init goldfish_init(void) -+{ -+ platform_device_register(&goldfish_pdev_bus_device); -+} -+ -+void goldfish_mask_irq(unsigned int irq) -+{ -+ writel(irq, IO_ADDRESS(GOLDFISH_INTERRUPT_BASE) + GOLDFISH_INTERRUPT_DISABLE); -+} -+ -+void goldfish_unmask_irq(unsigned int irq) -+{ -+ writel(irq, IO_ADDRESS(GOLDFISH_INTERRUPT_BASE) + GOLDFISH_INTERRUPT_ENABLE); -+} -+ -+static struct irq_chip goldfish_irq_chip = { -+ .name = "goldfish", -+ .mask = goldfish_mask_irq, -+ .mask_ack = goldfish_mask_irq, -+ .unmask = goldfish_unmask_irq, -+}; -+ -+void goldfish_init_irq(void) -+{ -+ unsigned int i; -+ uint32_t int_base = IO_ADDRESS(GOLDFISH_INTERRUPT_BASE); -+ -+ /* -+ * Disable all interrupt sources -+ */ -+ writel(1, int_base + GOLDFISH_INTERRUPT_DISABLE_ALL); -+ -+ for (i = 0; i < NR_IRQS; i++) { -+ set_irq_chip(i, &goldfish_irq_chip); -+ set_irq_handler(i, handle_level_irq); -+ set_irq_flags(i, IRQF_VALID | IRQF_PROBE); -+ } -+} -+ -+static struct map_desc goldfish_io_desc[] __initdata = { -+ { -+ .virtual = IO_BASE, -+ .pfn = __phys_to_pfn(IO_START), -+ .length = IO_SIZE, -+ .type = MT_DEVICE -+ }, -+}; -+ -+static void __init goldfish_map_io(void) -+{ -+ iotable_init(goldfish_io_desc, ARRAY_SIZE(goldfish_io_desc)); -+ GOLDFISH_READY = 1; -+} -+ -+extern struct sys_timer goldfish_timer; -+ -+MACHINE_START(GOLDFISH, "Goldfish") -+ .phys_io = 0xff000000, -+ .io_pg_offst = ((0xfe000000) >> 18) & 0xfffc, -+ .boot_params = 0x00000100, -+ .map_io = goldfish_map_io, -+ .init_irq = goldfish_init_irq, -+ .init_machine = goldfish_init, -+ .timer = &goldfish_timer, -+MACHINE_END ---- /dev/null -+++ b/arch/arm/mach-goldfish/include/mach/dma.h -@@ -0,0 +1 @@ -+/* include/asm-arm/arch-goldfish/dma.h */ ---- /dev/null -+++ b/arch/arm/mach-goldfish/include/mach/entry-macro.S -@@ -0,0 +1,34 @@ -+/* include/asm-arm/arch-goldfish/entry-macro.S -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#include <mach/hardware.h> -+#include <mach/irqs.h> -+ -+ .macro disable_fiq -+ .endm -+ -+ .macro get_irqnr_preamble, base, tmp -+ .endm -+ -+ .macro arch_ret_to_user, tmp1, tmp2 -+ .endm -+ -+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp -+ ldr \base, =IO_ADDRESS(GOLDFISH_INTERRUPT_BASE) -+ ldr \irqnr, [\base, #GOLDFISH_INTERRUPT_NUMBER] -+ ldr \irqstat, [\base, #GOLDFISH_INTERRUPT_STATUS] -+ teq \irqstat, #0 -+ /* EQ will be set if no irqs pending */ -+ .endm ---- /dev/null -+++ b/arch/arm/mach-goldfish/include/mach/hardware.h -@@ -0,0 +1,44 @@ -+/* include/asm-arm/arch-goldfish/hardware.h -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#ifndef __ASM_ARCH_HARDWARE_H -+#define __ASM_ARCH_HARDWARE_H -+ -+#include <asm/sizes.h> -+ -+/* -+ * Where in virtual memory the IO devices (timers, system controllers -+ * and so on) -+ */ -+#define IO_BASE 0xfe000000 // VA of IO -+#define IO_SIZE 0x00800000 // How much? -+#define IO_START 0xff000000 // PA of IO -+ -+#define GOLDFISH_INTERRUPT_BASE (0x0) -+#define GOLDFISH_INTERRUPT_STATUS (0x00) // number of pending interrupts -+#define GOLDFISH_INTERRUPT_NUMBER (0x04) -+#define GOLDFISH_INTERRUPT_DISABLE_ALL (0x08) -+#define GOLDFISH_INTERRUPT_DISABLE (0x0c) -+#define GOLDFISH_INTERRUPT_ENABLE (0x10) -+ -+#define GOLDFISH_PDEV_BUS_BASE (0x1000) -+#define GOLDFISH_PDEV_BUS_END (0x100) -+ -+#define GOLDFISH_TIMER_BASE (0x3000) -+ -+/* macro to get at IO space when running virtually */ -+#define IO_ADDRESS(x) ((x) + IO_BASE) -+ -+#endif ---- /dev/null -+++ b/arch/arm/mach-goldfish/include/mach/io.h -@@ -0,0 +1,24 @@ -+/* include/asm-arm/arch-goldfish/io.h -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#ifndef __ASM_ARM_ARCH_IO_H -+#define __ASM_ARM_ARCH_IO_H -+ -+#define IO_SPACE_LIMIT 0xffffffff -+ -+#define __io(a) ((void __iomem *)(a)) -+#define __mem_pci(a) (a) -+ -+#endif ---- /dev/null -+++ b/arch/arm/mach-goldfish/include/mach/irqs.h -@@ -0,0 +1,24 @@ -+/* include/asm-arm/arch-goldfish/irqs.h -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#ifndef __ASM_ARCH_IRQS_H -+#define __ASM_ARCH_IRQS_H -+ -+#define IRQ_PDEV_BUS (1) -+#define IRQ_TIMER (3) -+ -+#define NR_IRQS (256) -+ -+#endif ---- /dev/null -+++ b/arch/arm/mach-goldfish/include/mach/memory.h -@@ -0,0 +1,35 @@ -+/* include/asm-arm/arch-goldfish/memory.h -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#ifndef __ASM_ARCH_MEMORY_H -+#define __ASM_ARCH_MEMORY_H -+ -+/* -+ * Physical DRAM offset. -+ */ -+#define PHYS_OFFSET UL(0x00000000) -+#define BUS_OFFSET UL(0x00000000) -+ -+/* -+ * Virtual view <-> DMA view memory address translations -+ * virt_to_bus: Used to translate the virtual address to an -+ * address suitable to be passed to set_dma_addr -+ * bus_to_virt: Used to convert an address for DMA operations -+ * to an address that the kernel can use. -+ */ -+#define __virt_to_bus(x) (x - PAGE_OFFSET + BUS_OFFSET) -+#define __bus_to_virt(x) (x - BUS_OFFSET + PAGE_OFFSET) -+ -+#endif ---- /dev/null -+++ b/arch/arm/mach-goldfish/include/mach/system.h -@@ -0,0 +1,30 @@ -+/* include/asm-arm/arch-goldfish/system.h -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#ifndef __ASM_ARCH_SYSTEM_H -+#define __ASM_ARCH_SYSTEM_H -+ -+#include <asm/proc-fns.h> -+ -+static inline void arch_idle(void) -+{ -+ cpu_do_idle(); -+} -+ -+static inline void arch_reset(char mode, const char *cmd) -+{ -+} -+ -+#endif ---- /dev/null -+++ b/arch/arm/mach-goldfish/include/mach/timer.h -@@ -0,0 +1,28 @@ -+/* include/asm-arm/arch-goldfish/timer.h -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#ifndef __ASM_ARCH_TIMER_H -+#define __ASM_ARCH_TIMER_H -+ -+enum { -+ TIMER_TIME_LOW = 0x00, // get low bits of current time and update TIMER_TIME_HIGH -+ TIMER_TIME_HIGH = 0x04, // get high bits of time at last TIMER_TIME_LOW read -+ TIMER_ALARM_LOW = 0x08, // set low bits of alarm and activate it -+ TIMER_ALARM_HIGH = 0x0c, // set high bits of next alarm -+ TIMER_CLEAR_INTERRUPT = 0x10, -+ TIMER_CLEAR_ALARM = 0x14 -+}; -+ -+#endif ---- /dev/null -+++ b/arch/arm/mach-goldfish/include/mach/timex.h -@@ -0,0 +1,24 @@ -+/* include/asm-arm/arch-goldfish/timex.h -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#ifndef __ASM_ARCH_TIMEX_H -+#define __ASM_ARCH_TIMEX_H -+ -+/* -+ * ?? -+ */ -+#define CLOCK_TICK_RATE (50000000 / 16) -+ -+#endif ---- /dev/null -+++ b/arch/arm/mach-goldfish/include/mach/uncompress.h -@@ -0,0 +1,40 @@ -+/* include/asm-arm/arch-goldfish/uncompress.h -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#ifndef __ASM_ARCH_UNCOMPRESS_H -+#define __ASM_ARCH_UNCOMPRESS_H -+ -+#define GOLDFISH_TTY_PUT_CHAR (*(volatile unsigned int *)0xff002000) -+ -+/* -+ * This does not append a newline -+ */ -+static void putc(int c) -+{ -+ GOLDFISH_TTY_PUT_CHAR = c; -+} -+ -+static inline void flush(void) -+{ -+} -+ -+/* -+ * nothing to do -+ */ -+#define arch_decomp_setup() -+ -+#define arch_decomp_wdog() -+ -+#endif ---- /dev/null -+++ b/arch/arm/mach-goldfish/include/mach/vmalloc.h -@@ -0,0 +1,21 @@ -+/* include/asm-arm/arch-goldfish/vmalloc.h -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#ifndef __ASM_ARCH_VMALLOC_H -+#define __ASM_ARCH_VMALLOC_H -+ -+#define VMALLOC_END (PAGE_OFFSET + 0x3c000000) -+ -+#endif ---- /dev/null -+++ b/arch/arm/mach-goldfish/pdev_bus.c -@@ -0,0 +1,222 @@ -+/* arch/arm/mach-goldfish/pdev_bus.c -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#include <linux/kernel.h> -+#include <linux/init.h> -+#include <linux/interrupt.h> -+#include <linux/irq.h> -+#include <linux/platform_device.h> -+ -+#include <mach/hardware.h> -+#include <asm/io.h> -+#include <asm/mach-types.h> -+#include <asm/mach/arch.h> -+ -+#define PDEV_BUS_OP_DONE (0x00) -+#define PDEV_BUS_OP_REMOVE_DEV (0x04) -+#define PDEV_BUS_OP_ADD_DEV (0x08) -+ -+#define PDEV_BUS_OP_INIT (0x00) -+ -+#define PDEV_BUS_OP (0x00) -+#define PDEV_BUS_GET_NAME (0x04) -+#define PDEV_BUS_NAME_LEN (0x08) -+#define PDEV_BUS_ID (0x0c) -+#define PDEV_BUS_IO_BASE (0x10) -+#define PDEV_BUS_IO_SIZE (0x14) -+#define PDEV_BUS_IRQ (0x18) -+#define PDEV_BUS_IRQ_COUNT (0x1c) -+ -+struct pdev_bus_dev { -+ struct list_head list; -+ struct platform_device pdev; -+ struct resource resources[0]; -+}; -+ -+static void goldfish_pdev_worker(struct work_struct *work); -+ -+static uint32_t pdev_bus_base; -+static uint32_t pdev_bus_irq; -+static LIST_HEAD(pdev_bus_new_devices); -+static LIST_HEAD(pdev_bus_registered_devices); -+static LIST_HEAD(pdev_bus_removed_devices); -+static DECLARE_WORK(pdev_bus_worker, goldfish_pdev_worker); -+ -+ -+static void goldfish_pdev_worker(struct work_struct *work) -+{ -+ int ret; -+ struct pdev_bus_dev *pos, *n; -+ -+ list_for_each_entry_safe(pos, n, &pdev_bus_removed_devices, list) { -+ list_del(&pos->list); -+ platform_device_unregister(&pos->pdev); -+ kfree(pos); -+ } -+ list_for_each_entry_safe(pos, n, &pdev_bus_new_devices, list) { -+ list_del(&pos->list); -+ ret = platform_device_register(&pos->pdev); -+ if(ret) { -+ printk("goldfish_pdev_worker failed to register device, %s\n", pos->pdev.name); -+ } -+ else { -+ printk("goldfish_pdev_worker registered %s\n", pos->pdev.name); -+ } -+ list_add(&pos->list, &pdev_bus_registered_devices); -+ } -+} -+ -+static void goldfish_pdev_remove(void) -+{ -+ struct pdev_bus_dev *pos, *n; -+ uint32_t base; -+ -+ base = readl(pdev_bus_base + PDEV_BUS_IO_BASE); -+ -+ list_for_each_entry_safe(pos, n, &pdev_bus_new_devices, list) { -+ if(pos->resources[0].start == base) { -+ list_del(&pos->list); -+ kfree(pos); -+ return; -+ } -+ } -+ list_for_each_entry_safe(pos, n, &pdev_bus_registered_devices, list) { -+ if(pos->resources[0].start == base) { -+ list_del(&pos->list); -+ list_add(&pos->list, &pdev_bus_removed_devices); -+ schedule_work(&pdev_bus_worker); -+ return; -+ } -+ }; -+ printk("goldfish_pdev_remove could not find device at %x\n", base); -+} -+ -+static int goldfish_new_pdev(void) -+{ -+ struct pdev_bus_dev *dev; -+ uint32_t name_len; -+ uint32_t irq = -1, irq_count; -+ int resource_count = 2; -+ uint32_t base; -+ char *name; -+ -+ base = readl(pdev_bus_base + PDEV_BUS_IO_BASE); -+ -+ irq_count = readl(pdev_bus_base + PDEV_BUS_IRQ_COUNT); -+ name_len = readl(pdev_bus_base + PDEV_BUS_NAME_LEN); -+ if(irq_count) -+ resource_count++; -+ -+ dev = kzalloc(sizeof(*dev) + sizeof(struct resource) * resource_count + name_len + 1, GFP_ATOMIC); -+ if(dev == NULL) -+ return -ENOMEM; -+ -+ dev->pdev.num_resources = resource_count; -+ dev->pdev.resource = (struct resource *)(dev + 1); -+ dev->pdev.name = name = (char *)(dev->pdev.resource + resource_count); -+ dev->pdev.dev.coherent_dma_mask = ~0; -+ -+ writel(name, pdev_bus_base + PDEV_BUS_GET_NAME); -+ name[name_len] = '\0'; -+ dev->pdev.id = readl(pdev_bus_base + PDEV_BUS_ID); -+ dev->pdev.resource[0].start = base; -+ dev->pdev.resource[0].end = base + readl(pdev_bus_base + PDEV_BUS_IO_SIZE) - 1; -+ dev->pdev.resource[0].flags = IORESOURCE_MEM; -+ if(irq_count) { -+ irq = readl(pdev_bus_base + PDEV_BUS_IRQ); -+ dev->pdev.resource[1].start = irq; -+ dev->pdev.resource[1].end = irq + irq_count - 1; -+ dev->pdev.resource[1].flags = IORESOURCE_IRQ; -+ } -+ -+ printk("goldfish_new_pdev %s at %x irq %d\n", name, base, irq); -+ list_add(&dev->list, &pdev_bus_new_devices); -+ schedule_work(&pdev_bus_worker); -+ -+ return 0; -+} -+ -+static irqreturn_t goldfish_pdev_bus_interrupt(int irq, void *dev_id) -+{ -+ irqreturn_t ret = IRQ_NONE; -+ while(1) { -+ uint32_t op = readl(pdev_bus_base + PDEV_BUS_OP); -+ switch(op) { -+ case PDEV_BUS_OP_DONE: -+ return IRQ_NONE; -+ -+ case PDEV_BUS_OP_REMOVE_DEV: -+ goldfish_pdev_remove(); -+ break; -+ -+ case PDEV_BUS_OP_ADD_DEV: -+ goldfish_new_pdev(); -+ break; -+ } -+ ret = IRQ_HANDLED; -+ } -+} -+ -+static int __devinit goldfish_pdev_bus_probe(struct platform_device *pdev) -+{ -+ int ret; -+ struct resource *r; -+ r = platform_get_resource(pdev, IORESOURCE_IO, 0); -+ if(r == NULL) -+ return -EINVAL; -+ pdev_bus_base = IO_ADDRESS(r->start); -+ -+ r = platform_get_resource(pdev, IORESOURCE_IRQ, 0); -+ if(r == NULL) -+ return -EINVAL; -+ pdev_bus_irq = r->start; -+ -+ ret = request_irq(pdev_bus_irq, goldfish_pdev_bus_interrupt, IRQF_SHARED, "goldfish_pdev_bus", pdev); -+ if(ret) -+ goto err_request_irq_failed; -+ -+ writel(PDEV_BUS_OP_INIT, pdev_bus_base + PDEV_BUS_OP); -+ -+err_request_irq_failed: -+ return ret; -+} -+ -+static int __devexit goldfish_pdev_bus_remove(struct platform_device *pdev) -+{ -+ free_irq(pdev_bus_irq, pdev); -+ return 0; -+} -+ -+static struct platform_driver goldfish_pdev_bus_driver = { -+ .probe = goldfish_pdev_bus_probe, -+ .remove = __devexit_p(goldfish_pdev_bus_remove), -+ .driver = { -+ .name = "goldfish_pdev_bus" -+ } -+}; -+ -+static int __init goldfish_pdev_bus_init(void) -+{ -+ return platform_driver_register(&goldfish_pdev_bus_driver); -+} -+ -+static void __exit goldfish_pdev_bus_exit(void) -+{ -+ platform_driver_unregister(&goldfish_pdev_bus_driver); -+} -+ -+module_init(goldfish_pdev_bus_init); -+module_exit(goldfish_pdev_bus_exit); -+ ---- /dev/null -+++ b/arch/arm/mach-goldfish/timer.c -@@ -0,0 +1,147 @@ -+/* arch/arm/mach-goldfish/timer.c -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#include <linux/clockchips.h> -+#include <linux/interrupt.h> -+#include <linux/irq.h> -+ -+#include <mach/timer.h> -+#include <mach/hardware.h> -+#include <asm/io.h> -+#include <asm/mach/time.h> -+ -+#include <linux/platform_device.h> -+ -+static DEFINE_SPINLOCK(goldfish_timer_lock); -+static int goldfish_timer_ready; -+ -+static irqreturn_t goldfish_timer_interrupt(int irq, void *dev_id) -+{ -+ uint32_t timer_base = IO_ADDRESS(GOLDFISH_TIMER_BASE); -+ struct clock_event_device *evt = dev_id; -+ -+ writel(1, timer_base + TIMER_CLEAR_INTERRUPT); -+ if (evt->event_handler) -+ evt->event_handler(evt); -+ return IRQ_HANDLED; -+} -+ -+static cycle_t goldfish_timer_read(struct clocksource *cs) -+{ -+ uint32_t timer_base = IO_ADDRESS(GOLDFISH_TIMER_BASE); -+ unsigned long irqflags; -+ cycle_t rv; -+ -+ spin_lock_irqsave(&goldfish_timer_lock, irqflags); -+ rv = readl(timer_base + TIMER_TIME_LOW); -+ rv |= (int64_t)readl(timer_base + TIMER_TIME_HIGH) << 32; -+ spin_unlock_irqrestore(&goldfish_timer_lock, irqflags); -+ return rv; -+} -+ -+static int goldfish_timer_set_next_event(unsigned long cycles, -+ struct clock_event_device *evt) -+{ -+ uint32_t timer_base = IO_ADDRESS(GOLDFISH_TIMER_BASE); -+ unsigned long irqflags; -+ uint64_t alarm; -+ -+ spin_lock_irqsave(&goldfish_timer_lock, irqflags); -+ alarm = readl(timer_base + TIMER_TIME_LOW); -+ alarm |= (int64_t)readl(timer_base + TIMER_TIME_HIGH) << 32; -+ alarm += cycles; -+ writel(alarm >> 32, timer_base + TIMER_ALARM_HIGH); -+ writel(alarm, timer_base + TIMER_ALARM_LOW); -+ spin_unlock_irqrestore(&goldfish_timer_lock, irqflags); -+ return 0; -+} -+ -+static void goldfish_timer_set_mode(enum clock_event_mode mode, -+ struct clock_event_device *evt) -+{ -+ uint32_t timer_base = IO_ADDRESS(GOLDFISH_TIMER_BASE); -+ switch (mode) { -+ case CLOCK_EVT_MODE_RESUME: -+ case CLOCK_EVT_MODE_PERIODIC: -+ break; -+ case CLOCK_EVT_MODE_ONESHOT: -+ break; -+ case CLOCK_EVT_MODE_UNUSED: -+ case CLOCK_EVT_MODE_SHUTDOWN: -+ writel(1, timer_base + TIMER_CLEAR_ALARM); -+ break; -+ } -+} -+ -+unsigned long long sched_clock(void) -+{ -+ if(goldfish_timer_ready) -+ return ktime_to_ns(ktime_get()); -+ else -+ return 0; -+} -+ -+static struct clock_event_device goldfish_clockevent = { -+ .name = "goldfish_timer", -+ .features = CLOCK_EVT_FEAT_ONESHOT, -+ .max_delta_ns = ULONG_MAX, -+ .min_delta_ns = 1, -+ .mult = 1, -+ .shift = 0, -+ .rating = 200, -+ .set_next_event = goldfish_timer_set_next_event, -+ .set_mode = goldfish_timer_set_mode, -+}; -+ -+static struct clocksource goldfish_clocksource = { -+ .name = "goldfish_timer", -+ .rating = 200, -+ .read = goldfish_timer_read, -+ .mult = 1, -+ .mask = CLOCKSOURCE_MASK(64), -+ .shift = 0, -+ .flags = CLOCK_SOURCE_IS_CONTINUOUS, -+}; -+ -+static struct irqaction goldfish_timer_irq = { -+ .name = "Goldfish Timer Tick", -+ .flags = IRQF_DISABLED | IRQF_TIMER, -+ .handler = goldfish_timer_interrupt, -+ .dev_id = &goldfish_clockevent, -+}; -+ -+static void __init goldfish_timer_init(void) -+{ -+ int res; -+ -+ res = clocksource_register(&goldfish_clocksource); -+ if (res) -+ printk(KERN_ERR "goldfish_timer_init: " -+ "clocksource_register failed\n"); -+ -+ res = setup_irq(IRQ_TIMER, &goldfish_timer_irq); -+ if (res) -+ printk(KERN_ERR "goldfish_timer_init: setup_irq failed\n"); -+ -+ goldfish_clockevent.cpumask = cpumask_of(0); -+ clockevents_register_device(&goldfish_clockevent); -+ -+ goldfish_timer_ready = 1; -+} -+ -+struct sys_timer goldfish_timer = { -+ .init = goldfish_timer_init, -+}; -+ diff --git a/target/linux/goldfish/patches-2.6.30/0120--ARM-goldfish-Add-audio-driver-for-goldfish.patch b/target/linux/goldfish/patches-2.6.30/0120--ARM-goldfish-Add-audio-driver-for-goldfish.patch deleted file mode 100644 index 23f4b8f659..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0120--ARM-goldfish-Add-audio-driver-for-goldfish.patch +++ /dev/null @@ -1,404 +0,0 @@ -From aefe5257bf3ed9bf950ad962a63e5315566c2f97 Mon Sep 17 00:00:00 2001 -From: Mike Lockwood <lockwood@google.com> -Date: Mon, 23 Jul 2007 09:31:54 -0400 -Subject: [PATCH 120/134] [ARM] goldfish: Add audio driver for goldfish. - -Signed-off-by: Mike A. Chan <mikechan@google.com> ---- - arch/arm/mach-goldfish/Makefile | 2 +- - arch/arm/mach-goldfish/audio.c | 379 +++++++++++++++++++++++++++++++++++++++ - 2 files changed, 380 insertions(+), 1 deletions(-) - create mode 100644 arch/arm/mach-goldfish/audio.c - ---- a/arch/arm/mach-goldfish/Makefile -+++ b/arch/arm/mach-goldfish/Makefile -@@ -4,6 +4,6 @@ - - # Object file lists. - --obj-y := pdev_bus.o timer.o -+obj-y := pdev_bus.o timer.o audio.o - obj-$(CONFIG_MACH_GOLDFISH) += board-goldfish.o - ---- /dev/null -+++ b/arch/arm/mach-goldfish/audio.c -@@ -0,0 +1,379 @@ -+/* arch/arm/mach-goldfish/audio.c -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#include <linux/module.h> -+#include <linux/miscdevice.h> -+#include <linux/fs.h> -+#include <linux/platform_device.h> -+ -+#include <linux/types.h> -+#include <linux/pci.h> -+#include <linux/interrupt.h> -+ -+#include <asm/types.h> -+#include <asm/io.h> -+#include <asm/uaccess.h> -+ -+ -+MODULE_AUTHOR("Google, Inc."); -+MODULE_DESCRIPTION("Android QEMU Audio Driver"); -+MODULE_LICENSE("GPL"); -+MODULE_VERSION("1.0"); -+ -+struct goldfish_audio { -+ uint32_t reg_base; -+ int irq; -+ spinlock_t lock; -+ wait_queue_head_t wait; -+ -+ char __iomem *buffer_virt; /* combined buffer virtual address */ -+ unsigned long buffer_phys; /* combined buffer physical address */ -+ -+ char __iomem *write_buffer1; /* write buffer 1 virtual address */ -+ char __iomem *write_buffer2; /* write buffer 2 virtual address */ -+ char __iomem *read_buffer; /* read buffer virtual address */ -+ int buffer_status; -+ int read_supported; /* true if we have audio input support */ -+}; -+ -+/* We will allocate two read buffers and two write buffers. -+ Having two read buffers facilitate stereo -> mono conversion. -+ Having two write buffers facilitate interleaved IO. -+*/ -+#define READ_BUFFER_SIZE 16384 -+#define WRITE_BUFFER_SIZE 16384 -+#define COMBINED_BUFFER_SIZE ((2 * READ_BUFFER_SIZE) + (2 * WRITE_BUFFER_SIZE)) -+ -+#define GOLDFISH_AUDIO_READ(data, addr) (readl(data->reg_base + addr)) -+#define GOLDFISH_AUDIO_WRITE(data, addr, x) (writel(x, data->reg_base + addr)) -+ -+/* temporary variable used between goldfish_audio_probe() and goldfish_audio_open() */ -+static struct goldfish_audio* audio_data; -+ -+enum { -+ /* audio status register */ -+ AUDIO_INT_STATUS = 0x00, -+ /* set this to enable IRQ */ -+ AUDIO_INT_ENABLE = 0x04, -+ /* set these to specify buffer addresses */ -+ AUDIO_SET_WRITE_BUFFER_1 = 0x08, -+ AUDIO_SET_WRITE_BUFFER_2 = 0x0C, -+ /* set number of bytes in buffer to write */ -+ AUDIO_WRITE_BUFFER_1 = 0x10, -+ AUDIO_WRITE_BUFFER_2 = 0x14, -+ -+ /* true if audio input is supported */ -+ AUDIO_READ_SUPPORTED = 0x18, -+ /* buffer to use for audio input */ -+ AUDIO_SET_READ_BUFFER = 0x1C, -+ -+ /* driver writes number of bytes to read */ -+ AUDIO_START_READ = 0x20, -+ -+ /* number of bytes available in read buffer */ -+ AUDIO_READ_BUFFER_AVAILABLE = 0x24, -+ -+ /* AUDIO_INT_STATUS bits */ -+ -+ /* this bit set when it is safe to write more bytes to the buffer */ -+ AUDIO_INT_WRITE_BUFFER_1_EMPTY = 1U << 0, -+ AUDIO_INT_WRITE_BUFFER_2_EMPTY = 1U << 1, -+ AUDIO_INT_READ_BUFFER_FULL = 1U << 2, -+ -+ AUDIO_INT_MASK = AUDIO_INT_WRITE_BUFFER_1_EMPTY | -+ AUDIO_INT_WRITE_BUFFER_2_EMPTY | -+ AUDIO_INT_READ_BUFFER_FULL, -+}; -+ -+ -+static atomic_t open_count = ATOMIC_INIT(0); -+ -+ -+static ssize_t goldfish_audio_read(struct file *fp, char __user *buf, -+ size_t count, loff_t *pos) -+{ -+ struct goldfish_audio* data = fp->private_data; -+ int length; -+ int result = 0; -+ -+ if (!data->read_supported) -+ return -ENODEV; -+ -+ while (count > 0) { -+ length = (count > READ_BUFFER_SIZE ? READ_BUFFER_SIZE : count); -+ GOLDFISH_AUDIO_WRITE(data, AUDIO_START_READ, length); -+ -+ wait_event_interruptible(data->wait, (data->buffer_status & AUDIO_INT_READ_BUFFER_FULL)); -+ -+ length = GOLDFISH_AUDIO_READ(data, AUDIO_READ_BUFFER_AVAILABLE); -+ -+ /* copy data to user space */ -+ if (copy_to_user(buf, data->read_buffer, length)) -+ { -+ printk("copy_from_user failed!\n"); -+ return -EFAULT; -+ } -+ -+ result += length; -+ buf += length; -+ count -= length; -+ } -+ -+ return result; -+} -+ -+static ssize_t goldfish_audio_write(struct file *fp, const char __user *buf, -+ size_t count, loff_t *pos) -+{ -+ struct goldfish_audio* data = fp->private_data; -+ unsigned long irq_flags; -+ ssize_t result = 0; -+ char __iomem *kbuf; -+ -+ while (count > 0) -+ { -+ ssize_t copy = count; -+ if (copy > WRITE_BUFFER_SIZE) -+ copy = WRITE_BUFFER_SIZE; -+ wait_event_interruptible(data->wait, -+ (data->buffer_status & (AUDIO_INT_WRITE_BUFFER_1_EMPTY | AUDIO_INT_WRITE_BUFFER_2_EMPTY))); -+ -+ if ((data->buffer_status & AUDIO_INT_WRITE_BUFFER_1_EMPTY) != 0) { -+ kbuf = data->write_buffer1; -+ } else { -+ kbuf = data->write_buffer2; -+ } -+ -+ /* copy from user space to the appropriate buffer */ -+ if (copy_from_user(kbuf, buf, copy)) -+ { -+ printk("copy_from_user failed!\n"); -+ result = -EFAULT; -+ break; -+ } -+ else -+ { -+ spin_lock_irqsave(&data->lock, irq_flags); -+ -+ /* clear the buffer empty flag, and signal the emulator to start writing the buffer */ -+ if (kbuf == data->write_buffer1) { -+ data->buffer_status &= ~AUDIO_INT_WRITE_BUFFER_1_EMPTY; -+ GOLDFISH_AUDIO_WRITE(data, AUDIO_WRITE_BUFFER_1, copy); -+ } else { -+ data->buffer_status &= ~AUDIO_INT_WRITE_BUFFER_2_EMPTY; -+ GOLDFISH_AUDIO_WRITE(data, AUDIO_WRITE_BUFFER_2, copy); -+ } -+ -+ spin_unlock_irqrestore(&data->lock, irq_flags); -+ } -+ -+ buf += copy; -+ result += copy; -+ count -= copy; -+ } -+ -+ return result; -+} -+ -+static int goldfish_audio_open(struct inode *ip, struct file *fp) -+{ -+ if (!audio_data) -+ return -ENODEV; -+ -+ if (atomic_inc_return(&open_count) == 1) -+ { -+ fp->private_data = audio_data; -+ audio_data->buffer_status = (AUDIO_INT_WRITE_BUFFER_1_EMPTY | AUDIO_INT_WRITE_BUFFER_2_EMPTY); -+ GOLDFISH_AUDIO_WRITE(audio_data, AUDIO_INT_ENABLE, AUDIO_INT_MASK); -+ return 0; -+ } -+ else -+ { -+ atomic_dec(&open_count); -+ return -EBUSY; -+ } -+} -+ -+static int goldfish_audio_release(struct inode *ip, struct file* fp) -+{ -+ atomic_dec(&open_count); -+ GOLDFISH_AUDIO_WRITE(audio_data, AUDIO_INT_ENABLE, 0); -+ return 0; -+} -+ -+static int goldfish_audio_ioctl(struct inode* ip, struct file* fp, unsigned int cmd, unsigned long arg) -+{ -+ /* temporary workaround, until we switch to the ALSA API */ -+ if (cmd == 315) -+ return -1; -+ else -+ return 0; -+} -+ -+static irqreturn_t -+goldfish_audio_interrupt(int irq, void *dev_id) -+{ -+ unsigned long irq_flags; -+ struct goldfish_audio *data = dev_id; -+ uint32_t status; -+ -+ spin_lock_irqsave(&data->lock, irq_flags); -+ -+ /* read buffer status flags */ -+ status = GOLDFISH_AUDIO_READ(data, AUDIO_INT_STATUS); -+ status &= AUDIO_INT_MASK; -+ /* if buffers are newly empty, wake up blocked goldfish_audio_write() call */ -+ if(status) { -+ data->buffer_status = status; -+ wake_up(&data->wait); -+ } -+ -+ spin_unlock_irqrestore(&data->lock, irq_flags); -+ return status ? IRQ_HANDLED : IRQ_NONE; -+} -+ -+/* file operations for /dev/eac */ -+static struct file_operations goldfish_audio_fops = { -+ .owner = THIS_MODULE, -+ .read = goldfish_audio_read, -+ .write = goldfish_audio_write, -+ .open = goldfish_audio_open, -+ .release = goldfish_audio_release, -+ .ioctl = goldfish_audio_ioctl, -+ -+}; -+ -+static struct miscdevice goldfish_audio_device = { -+ .minor = MISC_DYNAMIC_MINOR, -+ .name = "eac", -+ .fops = &goldfish_audio_fops, -+}; -+ -+static int goldfish_audio_probe(struct platform_device *pdev) -+{ -+ int ret; -+ struct resource *r; -+ struct goldfish_audio *data; -+ dma_addr_t buf_addr; -+ -+printk("goldfish_audio_probe\n"); -+ data = kzalloc(sizeof(*data), GFP_KERNEL); -+ if(data == NULL) { -+ ret = -ENOMEM; -+ goto err_data_alloc_failed; -+ } -+ spin_lock_init(&data->lock); -+ init_waitqueue_head(&data->wait); -+ platform_set_drvdata(pdev, data); -+ -+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if(r == NULL) { -+ printk("platform_get_resource failed\n"); -+ ret = -ENODEV; -+ goto err_no_io_base; -+ } -+ data->reg_base = IO_ADDRESS(r->start - IO_START); -+ -+ data->irq = platform_get_irq(pdev, 0); -+ if(data->irq < 0) { -+ printk("platform_get_irq failed\n"); -+ ret = -ENODEV; -+ goto err_no_irq; -+ } -+ -+ data->buffer_virt = dma_alloc_writecombine(&pdev->dev, COMBINED_BUFFER_SIZE, -+ &buf_addr, GFP_KERNEL); -+ if(data->buffer_virt == 0) { -+ ret = -ENOMEM; -+ goto err_alloc_write_buffer_failed; -+ } -+ data->buffer_phys = buf_addr; -+ data->write_buffer1 = data->buffer_virt; -+ data->write_buffer2 = data->buffer_virt + WRITE_BUFFER_SIZE; -+ data->read_buffer = data->buffer_virt + 2 * WRITE_BUFFER_SIZE; -+ -+ ret = request_irq(data->irq, goldfish_audio_interrupt, IRQF_SHARED, pdev->name, data); -+ if(ret) -+ goto err_request_irq_failed; -+ -+ if((ret = misc_register(&goldfish_audio_device))) -+ { -+ printk("misc_register returned %d in goldfish_audio_init\n", ret); -+ goto err_misc_register_failed; -+ } -+ -+ -+ GOLDFISH_AUDIO_WRITE(data, AUDIO_SET_WRITE_BUFFER_1, buf_addr); -+ GOLDFISH_AUDIO_WRITE(data, AUDIO_SET_WRITE_BUFFER_2, buf_addr + WRITE_BUFFER_SIZE); -+ -+ data->read_supported = GOLDFISH_AUDIO_READ(data, AUDIO_READ_SUPPORTED); -+ if (data->read_supported) -+ GOLDFISH_AUDIO_WRITE(data, AUDIO_SET_READ_BUFFER, buf_addr + 2 * WRITE_BUFFER_SIZE); -+ -+ audio_data = data; -+ return 0; -+ -+err_misc_register_failed: -+err_request_irq_failed: -+ dma_free_writecombine(&pdev->dev, COMBINED_BUFFER_SIZE, data->buffer_virt, data->buffer_phys); -+err_alloc_write_buffer_failed: -+err_no_irq: -+err_no_io_base: -+ kfree(data); -+err_data_alloc_failed: -+ return ret; -+} -+ -+static int goldfish_audio_remove(struct platform_device *pdev) -+{ -+ struct goldfish_audio *data = platform_get_drvdata(pdev); -+ -+ misc_deregister(&goldfish_audio_device); -+ free_irq(data->irq, data); -+ dma_free_writecombine(&pdev->dev, COMBINED_BUFFER_SIZE, data->buffer_virt, data->buffer_phys); -+ kfree(data); -+ audio_data = NULL; -+ return 0; -+} -+ -+static struct platform_driver goldfish_audio_driver = { -+ .probe = goldfish_audio_probe, -+ .remove = goldfish_audio_remove, -+ .driver = { -+ .name = "goldfish_audio" -+ } -+}; -+ -+static int __init goldfish_audio_init(void) -+{ -+ int ret; -+ -+ ret = platform_driver_register(&goldfish_audio_driver); -+ if (ret < 0) -+ { -+ printk("platform_driver_register returned %d\n", ret); -+ return ret; -+ } -+ -+ return ret; -+} -+ -+static void __exit goldfish_audio_exit(void) -+{ -+ platform_driver_unregister(&goldfish_audio_driver); -+} -+ -+module_init(goldfish_audio_init); -+module_exit(goldfish_audio_exit); diff --git a/target/linux/goldfish/patches-2.6.30/0121--ARM-goldfish-Implement-suspend-as-wait-for-interr.patch b/target/linux/goldfish/patches-2.6.30/0121--ARM-goldfish-Implement-suspend-as-wait-for-interr.patch deleted file mode 100644 index 0190820ed8..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0121--ARM-goldfish-Implement-suspend-as-wait-for-interr.patch +++ /dev/null @@ -1,72 +0,0 @@ -From f0266de1899f043daff3b472b8fdd6e30012cb25 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@android.com> -Date: Wed, 9 Jan 2008 11:46:33 -0800 -Subject: [PATCH 121/134] [ARM] goldfish: Implement suspend as wait-for-interrupt. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: Mike A. Chan <mikechan@google.com> -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - arch/arm/mach-goldfish/Makefile | 2 +- - arch/arm/mach-goldfish/pm.c | 43 +++++++++++++++++++++++++++++++++++++++ - 2 files changed, 44 insertions(+), 1 deletions(-) - create mode 100644 arch/arm/mach-goldfish/pm.c - ---- a/arch/arm/mach-goldfish/Makefile -+++ b/arch/arm/mach-goldfish/Makefile -@@ -4,6 +4,6 @@ - - # Object file lists. - --obj-y := pdev_bus.o timer.o audio.o -+obj-y := pdev_bus.o timer.o audio.o pm.o - obj-$(CONFIG_MACH_GOLDFISH) += board-goldfish.o - ---- /dev/null -+++ b/arch/arm/mach-goldfish/pm.c -@@ -0,0 +1,43 @@ -+/* arch/arm/mach-msm/pm.c -+ * -+ * Goldfish Power Management Routines -+ * -+ * Copyright (C) 2007 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/init.h> -+#include <linux/pm.h> -+#include <linux/suspend.h> -+#include <mach/system.h> -+ -+static int goldfish_pm_enter(suspend_state_t state) -+{ -+ arch_idle(); -+ return 0; -+} -+ -+static struct platform_suspend_ops goldfish_pm_ops = { -+ .enter = goldfish_pm_enter, -+ .valid = suspend_valid_only_mem, -+}; -+ -+static int __init goldfish_pm_init(void) -+{ -+ suspend_set_ops(&goldfish_pm_ops); -+ return 0; -+} -+ -+__initcall(goldfish_pm_init); -+ diff --git a/target/linux/goldfish/patches-2.6.30/0122--ARM-goldfish-tty-Adding-tty-driver-for-goldfish.patch b/target/linux/goldfish/patches-2.6.30/0122--ARM-goldfish-tty-Adding-tty-driver-for-goldfish.patch deleted file mode 100644 index e8767e6bdd..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0122--ARM-goldfish-tty-Adding-tty-driver-for-goldfish.patch +++ /dev/null @@ -1,368 +0,0 @@ -From 4ff5a10b94c0c41088c8bbfa5be1ebab3822371b Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@google.com> -Date: Fri, 29 Jun 2007 21:41:20 -0700 -Subject: [PATCH 122/134] [ARM] goldfish: tty: Adding tty driver for goldfish. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: Mike A. Chan <mikechan@google.com> -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - drivers/char/Kconfig | 6 + - drivers/char/Makefile | 1 + - drivers/char/goldfish_tty.c | 323 +++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 330 insertions(+), 0 deletions(-) - create mode 100644 drivers/char/goldfish_tty.c - ---- a/drivers/char/Kconfig -+++ b/drivers/char/Kconfig -@@ -1106,6 +1106,12 @@ config DEVPORT - depends on ISA || PCI - default y - -+config GOLDFISH_TTY -+ tristate "Goldfish TTY Driver" -+ default n -+ help -+ TTY driver for Goldfish Virtual Platform. -+ - source "drivers/s390/char/Kconfig" - - endmenu ---- a/drivers/char/Makefile -+++ b/drivers/char/Makefile -@@ -98,6 +98,7 @@ obj-$(CONFIG_GPIO_DEVICE) += gpio_dev.o - obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o - obj-$(CONFIG_GPIO_TB0219) += tb0219.o - obj-$(CONFIG_TELCLOCK) += tlclk.o -+obj-$(CONFIG_GOLDFISH_TTY) += goldfish_tty.o - - obj-$(CONFIG_MWAVE) += mwave/ - obj-$(CONFIG_AGP) += agp/ ---- /dev/null -+++ b/drivers/char/goldfish_tty.c -@@ -0,0 +1,323 @@ -+/* drivers/char/goldfish_tty.c -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#include <linux/console.h> -+#include <linux/init.h> -+#include <linux/interrupt.h> -+#include <linux/platform_device.h> -+#include <linux/tty.h> -+#include <linux/tty_flip.h> -+ -+#include <mach/hardware.h> -+#include <asm/io.h> -+ -+enum { -+ GOLDFISH_TTY_PUT_CHAR = 0x00, -+ GOLDFISH_TTY_BYTES_READY = 0x04, -+ GOLDFISH_TTY_CMD = 0x08, -+ -+ GOLDFISH_TTY_DATA_PTR = 0x10, -+ GOLDFISH_TTY_DATA_LEN = 0x14, -+ -+ GOLDFISH_TTY_CMD_INT_DISABLE = 0, -+ GOLDFISH_TTY_CMD_INT_ENABLE = 1, -+ GOLDFISH_TTY_CMD_WRITE_BUFFER = 2, -+ GOLDFISH_TTY_CMD_READ_BUFFER = 3, -+}; -+ -+struct goldfish_tty { -+ spinlock_t lock; -+ uint32_t base; -+ uint32_t irq; -+ int opencount; -+ struct tty_struct *tty; -+ struct console console; -+}; -+ -+static DEFINE_MUTEX(goldfish_tty_lock); -+static struct tty_driver *goldfish_tty_driver; -+static uint32_t goldfish_tty_line_count = 8; -+static uint32_t goldfish_tty_current_line_count; -+static struct goldfish_tty *goldfish_ttys; -+ -+static void goldfish_tty_do_write(int line, const char *buf, unsigned count) -+{ -+ unsigned long irq_flags; -+ struct goldfish_tty *qtty = &goldfish_ttys[line]; -+ uint32_t base = qtty->base; -+ spin_lock_irqsave(&qtty->lock, irq_flags); -+ writel(buf, base + GOLDFISH_TTY_DATA_PTR); -+ writel(count, base + GOLDFISH_TTY_DATA_LEN); -+ writel(GOLDFISH_TTY_CMD_WRITE_BUFFER, base + GOLDFISH_TTY_CMD); -+ spin_unlock_irqrestore(&qtty->lock, irq_flags); -+} -+ -+static irqreturn_t goldfish_tty_interrupt(int irq, void *dev_id) -+{ -+ struct platform_device *pdev = dev_id; -+ struct goldfish_tty *qtty = &goldfish_ttys[pdev->id]; -+ uint32_t base = qtty->base; -+ unsigned long irq_flags; -+ unsigned char *buf; -+ uint32_t count; -+ -+ count = readl(base + GOLDFISH_TTY_BYTES_READY); -+ if(count == 0) { -+ return IRQ_NONE; -+ } -+ count = tty_prepare_flip_string(qtty->tty, &buf, count); -+ spin_lock_irqsave(&qtty->lock, irq_flags); -+ writel(buf, base + GOLDFISH_TTY_DATA_PTR); -+ writel(count, base + GOLDFISH_TTY_DATA_LEN); -+ writel(GOLDFISH_TTY_CMD_READ_BUFFER, base + GOLDFISH_TTY_CMD); -+ spin_unlock_irqrestore(&qtty->lock, irq_flags); -+ tty_schedule_flip(qtty->tty); -+ return IRQ_HANDLED; -+} -+ -+static int goldfish_tty_open(struct tty_struct * tty, struct file * filp) -+{ -+ int ret; -+ struct goldfish_tty *qtty = &goldfish_ttys[tty->index]; -+ -+ mutex_lock(&goldfish_tty_lock); -+ if(qtty->tty == NULL || qtty->tty == tty) { -+ if(qtty->opencount++ == 0) { -+ qtty->tty = tty; -+ writel(GOLDFISH_TTY_CMD_INT_ENABLE, qtty->base + GOLDFISH_TTY_CMD); -+ } -+ ret = 0; -+ } -+ else -+ ret = -EBUSY; -+ mutex_unlock(&goldfish_tty_lock); -+ return ret; -+} -+ -+static void goldfish_tty_close(struct tty_struct * tty, struct file * filp) -+{ -+ struct goldfish_tty *qtty = &goldfish_ttys[tty->index]; -+ -+ mutex_lock(&goldfish_tty_lock); -+ if(qtty->tty == tty) { -+ if(--qtty->opencount == 0) { -+ writel(GOLDFISH_TTY_CMD_INT_DISABLE, qtty->base + GOLDFISH_TTY_CMD); -+ qtty->tty = NULL; -+ } -+ } -+ mutex_unlock(&goldfish_tty_lock); -+} -+ -+static int goldfish_tty_write(struct tty_struct * tty, const unsigned char *buf, int count) -+{ -+ goldfish_tty_do_write(tty->index, buf, count); -+ return count; -+} -+ -+static int goldfish_tty_write_room(struct tty_struct *tty) -+{ -+ return 0x10000; -+} -+ -+static int goldfish_tty_chars_in_buffer(struct tty_struct *tty) -+{ -+ struct goldfish_tty *qtty = &goldfish_ttys[tty->index]; -+ uint32_t base = qtty->base; -+ return readl(base + GOLDFISH_TTY_BYTES_READY); -+} -+ -+static void goldfish_tty_console_write(struct console *co, const char *b, unsigned count) -+{ -+ goldfish_tty_do_write(co->index, b, count); -+} -+ -+static struct tty_driver *goldfish_tty_console_device(struct console *c, int *index) -+{ -+ *index = c->index; -+ return goldfish_tty_driver; -+} -+ -+static int goldfish_tty_console_setup(struct console *co, char *options) -+{ -+ if((unsigned)co->index > goldfish_tty_line_count) -+ return -ENODEV; -+ if(goldfish_ttys[co->index].base == 0) -+ return -ENODEV; -+ return 0; -+} -+ -+static struct tty_operations goldfish_tty_ops = { -+ .open = goldfish_tty_open, -+ .close = goldfish_tty_close, -+ .write = goldfish_tty_write, -+ .write_room = goldfish_tty_write_room, -+ .chars_in_buffer = goldfish_tty_chars_in_buffer, -+}; -+ -+static int __devinit goldfish_tty_create_driver(void) -+{ -+ int ret; -+ struct tty_driver *tty; -+ -+ goldfish_ttys = kzalloc(sizeof(*goldfish_ttys) * goldfish_tty_line_count, GFP_KERNEL); -+ if(goldfish_ttys == NULL) { -+ ret = -ENOMEM; -+ goto err_alloc_goldfish_ttys_failed; -+ } -+ -+ tty = alloc_tty_driver(goldfish_tty_line_count); -+ if(tty == NULL) { -+ ret = -ENOMEM; -+ goto err_alloc_tty_driver_failed; -+ } -+ tty->driver_name = "goldfish"; -+ tty->name = "ttyS"; -+ tty->type = TTY_DRIVER_TYPE_SERIAL; -+ tty->subtype = SERIAL_TYPE_NORMAL; -+ tty->init_termios = tty_std_termios; -+ tty->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; -+ tty_set_operations(tty, &goldfish_tty_ops); -+ ret = tty_register_driver(tty); -+ if(ret) -+ goto err_tty_register_driver_failed; -+ -+ goldfish_tty_driver = tty; -+ return 0; -+ -+err_tty_register_driver_failed: -+ put_tty_driver(tty); -+err_alloc_tty_driver_failed: -+ kfree(goldfish_ttys); -+ goldfish_ttys = NULL; -+err_alloc_goldfish_ttys_failed: -+ return ret; -+} -+ -+static void goldfish_tty_delete_driver(void) -+{ -+ tty_unregister_driver(goldfish_tty_driver); -+ put_tty_driver(goldfish_tty_driver); -+ goldfish_tty_driver = NULL; -+ kfree(goldfish_ttys); -+ goldfish_ttys = NULL; -+} -+ -+static int __devinit goldfish_tty_probe(struct platform_device *pdev) -+{ -+ int ret; -+ int i; -+ struct resource *r; -+ struct device *ttydev; -+ uint32_t base; -+ uint32_t irq; -+ -+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if(r == NULL) -+ return -EINVAL; -+ base = IO_ADDRESS(r->start - IO_START); -+ r = platform_get_resource(pdev, IORESOURCE_IRQ, 0); -+ if(r == NULL) -+ return -EINVAL; -+ irq = r->start; -+ -+ if(pdev->id >= goldfish_tty_line_count) -+ return -EINVAL; -+ -+ mutex_lock(&goldfish_tty_lock); -+ if(goldfish_tty_current_line_count == 0) { -+ ret = goldfish_tty_create_driver(); -+ if(ret) -+ goto err_create_driver_failed; -+ } -+ goldfish_tty_current_line_count++; -+ -+ spin_lock_init(&goldfish_ttys[pdev->id].lock); -+ goldfish_ttys[pdev->id].base = base; -+ goldfish_ttys[pdev->id].irq = irq; -+ -+ writel(GOLDFISH_TTY_CMD_INT_DISABLE, base + GOLDFISH_TTY_CMD); -+ -+ ret = request_irq(irq, goldfish_tty_interrupt, IRQF_SHARED, "goldfish_tty", pdev); -+ if(ret) -+ goto err_request_irq_failed; -+ -+ -+ ttydev = tty_register_device(goldfish_tty_driver, pdev->id, NULL); -+ if(IS_ERR(ttydev)) { -+ ret = PTR_ERR(ttydev); -+ goto err_tty_register_device_failed; -+ } -+ -+ strcpy(goldfish_ttys[pdev->id].console.name, "ttyS"); -+ goldfish_ttys[pdev->id].console.write = goldfish_tty_console_write; -+ goldfish_ttys[pdev->id].console.device = goldfish_tty_console_device; -+ goldfish_ttys[pdev->id].console.setup = goldfish_tty_console_setup; -+ goldfish_ttys[pdev->id].console.flags = CON_PRINTBUFFER; -+ goldfish_ttys[pdev->id].console.index = pdev->id; -+ register_console(&goldfish_ttys[pdev->id].console); -+ -+ -+ mutex_unlock(&goldfish_tty_lock); -+ -+ return 0; -+ -+ tty_unregister_device(goldfish_tty_driver, i); -+err_tty_register_device_failed: -+ free_irq(irq, pdev); -+err_request_irq_failed: -+ goldfish_tty_current_line_count--; -+ if(goldfish_tty_current_line_count == 0) { -+ goldfish_tty_delete_driver(); -+ } -+err_create_driver_failed: -+ mutex_unlock(&goldfish_tty_lock); -+ return ret; -+} -+ -+static int __devexit goldfish_tty_remove(struct platform_device *pdev) -+{ -+ mutex_lock(&goldfish_tty_lock); -+ unregister_console(&goldfish_ttys[pdev->id].console); -+ tty_unregister_device(goldfish_tty_driver, pdev->id); -+ goldfish_ttys[pdev->id].base = 0; -+ free_irq(goldfish_ttys[pdev->id].irq, pdev); -+ goldfish_tty_current_line_count--; -+ if(goldfish_tty_current_line_count == 0) { -+ goldfish_tty_delete_driver(); -+ } -+ mutex_unlock(&goldfish_tty_lock); -+ return 0; -+} -+ -+static struct platform_driver goldfish_tty_platform_driver = { -+ .probe = goldfish_tty_probe, -+ .remove = __devexit_p(goldfish_tty_remove), -+ .driver = { -+ .name = "goldfish_tty" -+ } -+}; -+ -+static int __init goldfish_tty_init(void) -+{ -+ return platform_driver_register(&goldfish_tty_platform_driver); -+} -+ -+static void __exit goldfish_tty_exit(void) -+{ -+ platform_driver_unregister(&goldfish_tty_platform_driver); -+} -+ -+module_init(goldfish_tty_init); -+module_exit(goldfish_tty_exit); diff --git a/target/linux/goldfish/patches-2.6.30/0123--ARM-goldfish-events-Add-event-driver-for-goldfis.patch b/target/linux/goldfish/patches-2.6.30/0123--ARM-goldfish-events-Add-event-driver-for-goldfis.patch deleted file mode 100644 index fd9566e7a7..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0123--ARM-goldfish-events-Add-event-driver-for-goldfis.patch +++ /dev/null @@ -1,234 +0,0 @@ -From 226fd290dc2d052e5cd437cc8464e1424e7ebf2c Mon Sep 17 00:00:00 2001 -From: Brian Swetland <swetland@google.com> -Date: Sun, 13 Aug 2006 21:50:14 +0700 -Subject: [PATCH 123/134] [ARM] goldfish: events: Add event driver for goldfish - -this device is a direct pipe from "hardware" to the input -event subsystem, allowing us to avoid having to route -"keypad" style events through an AT keyboard driver (gross!) - -Signed-off-by: Mike A. Chan <mikechan@google.com> ---- - drivers/input/keyboard/Kconfig | 5 + - drivers/input/keyboard/Makefile | 1 + - drivers/input/keyboard/goldfish_events.c | 190 ++++++++++++++++++++++++++++++ - 3 files changed, 196 insertions(+), 0 deletions(-) - create mode 100644 drivers/input/keyboard/goldfish_events.c - ---- a/drivers/input/keyboard/Kconfig -+++ b/drivers/input/keyboard/Kconfig -@@ -304,6 +304,11 @@ config KEYBOARD_GPIO - To compile this driver as a module, choose M here: the - module will be called gpio-keys. - -+config KEYBOARD_GOLDFISH_EVENTS -+ tristate "Generic Input Event device for Goldfish" -+ help -+ no help -+ - config KEYBOARD_MAPLE - tristate "Maple bus keyboard" - depends on SH_DREAMCAST && MAPLE ---- a/drivers/input/keyboard/Makefile -+++ b/drivers/input/keyboard/Makefile -@@ -23,6 +23,7 @@ obj-$(CONFIG_KEYBOARD_PXA27x) += pxa27x - obj-$(CONFIG_KEYBOARD_PXA930_ROTARY) += pxa930_rotary.o - obj-$(CONFIG_KEYBOARD_AAED2000) += aaed2000_kbd.o - obj-$(CONFIG_KEYBOARD_GPIO) += gpio_keys.o -+obj-$(CONFIG_KEYBOARD_GOLDFISH_EVENTS) += goldfish_events.o - obj-$(CONFIG_KEYBOARD_HP6XX) += jornada680_kbd.o - obj-$(CONFIG_KEYBOARD_HP7XX) += jornada720_kbd.o - obj-$(CONFIG_KEYBOARD_MAPLE) += maple_keyb.o ---- /dev/null -+++ b/drivers/input/keyboard/goldfish_events.c -@@ -0,0 +1,190 @@ -+/* drivers/input/keyboard/goldfish-events.c -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#include <linux/module.h> -+#include <linux/init.h> -+#include <linux/interrupt.h> -+#include <linux/types.h> -+#include <linux/input.h> -+#include <linux/kernel.h> -+#include <linux/platform_device.h> -+ -+#include <mach/hardware.h> -+#include <asm/irq.h> -+#include <asm/io.h> -+ -+enum { -+ REG_READ = 0x00, -+ REG_SET_PAGE = 0x00, -+ REG_LEN = 0x04, -+ REG_DATA = 0x08, -+ -+ PAGE_NAME = 0x00000, -+ PAGE_EVBITS = 0x10000, -+ PAGE_ABSDATA = 0x20000 | EV_ABS, -+}; -+ -+struct event_dev { -+ struct input_dev *input; -+ int irq; -+ unsigned addr; -+ char name[0]; -+}; -+ -+static irqreturn_t events_interrupt(int irq, void *dev_id) -+{ -+ struct event_dev *edev = dev_id; -+ unsigned type, code, value; -+ -+ type = __raw_readl(edev->addr + REG_READ); -+ code = __raw_readl(edev->addr + REG_READ); -+ value = __raw_readl(edev->addr + REG_READ); -+ -+ input_event(edev->input, type, code, value); -+ return IRQ_HANDLED; -+} -+ -+static void events_import_bits(struct event_dev *edev, unsigned long bits[], unsigned type, size_t count) -+{ -+ int i, j; -+ size_t size; -+ uint8_t val; -+ unsigned addr = edev->addr; -+ __raw_writel(PAGE_EVBITS | type, addr + REG_SET_PAGE); -+ size = __raw_readl(addr + REG_LEN) * 8; -+ if (size < count) -+ count = size; -+ addr = addr + REG_DATA; -+ for (i = 0; i < count; i += 8) { -+ val = __raw_readb(addr++); -+ for (j = 0; j < 8; j++) -+ if(val & 1 << j) -+ set_bit(i + j, bits); -+ } -+} -+ -+static int events_probe(struct platform_device *pdev) -+{ -+ struct input_dev *input_dev; -+ struct event_dev *edev = NULL; -+ struct resource *res; -+ unsigned keymapnamelen; -+ int i; -+ int count; -+ int irq; -+ unsigned addr; -+ int ret; -+ -+ printk("*** events probe ***\n"); -+ -+ input_dev = input_allocate_device(); -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if(!input_dev || !res) goto fail; -+ -+ addr = (unsigned) ioremap(res->start, 4096); -+ irq = platform_get_irq(pdev, 0); -+ -+ printk("events_probe() addr=0x%08x irq=%d\n", addr, irq); -+ -+ if(!addr) goto fail; -+ if(irq < 0) goto fail; -+ -+ __raw_writel(PAGE_NAME, addr + REG_SET_PAGE); -+ keymapnamelen = __raw_readl(addr + REG_LEN); -+ -+ edev = kzalloc(sizeof(struct event_dev) + keymapnamelen + 1, GFP_KERNEL); -+ if (!edev) goto fail; -+ -+ edev->input = input_dev; -+ edev->addr = addr; -+ edev->irq = irq; -+ -+ for (i = 0; i < keymapnamelen; i++) { -+ edev->name[i] = __raw_readb(edev->addr + REG_DATA + i); -+ } -+ printk("events_probe() keymap=%s\n", edev->name); -+ -+ events_import_bits(edev, input_dev->evbit, EV_SYN, EV_MAX); -+ events_import_bits(edev, input_dev->keybit, EV_KEY, KEY_MAX); -+ events_import_bits(edev, input_dev->relbit, EV_REL, REL_MAX); -+ events_import_bits(edev, input_dev->absbit, EV_ABS, ABS_MAX); -+ events_import_bits(edev, input_dev->mscbit, EV_MSC, MSC_MAX); -+ events_import_bits(edev, input_dev->ledbit, EV_LED, LED_MAX); -+ events_import_bits(edev, input_dev->sndbit, EV_SND, SND_MAX); -+ events_import_bits(edev, input_dev->ffbit, EV_FF, FF_MAX); -+ events_import_bits(edev, input_dev->swbit, EV_SW, SW_MAX); -+ -+ __raw_writel(PAGE_ABSDATA, addr + REG_SET_PAGE); -+ count = __raw_readl(addr + REG_LEN) / (4 * 4); -+ if (count > ABS_MAX) -+ count = ABS_MAX; -+ for(i = 0; i < count; i++) { -+ int val[4]; -+ int j; -+ if (!test_bit(i, input_dev->absbit)) -+ continue; -+ for(j = 0; j < ARRAY_SIZE(val); j++) -+ val[j] = __raw_readl(edev->addr + REG_DATA + (i * ARRAY_SIZE(val) + j) * 4); -+ input_set_abs_params(input_dev, i, val[0], val[1], val[2], val[3]); -+ } -+ -+ platform_set_drvdata(pdev, edev); -+ -+ input_dev->name = edev->name; -+ input_set_drvdata(input_dev, edev); -+ -+ ret = input_register_device(input_dev); -+ if (ret) -+ goto fail; -+ -+ if(request_irq(edev->irq, events_interrupt, 0, -+ "goldfish-events-keypad", edev) < 0) { -+ input_unregister_device(input_dev); -+ kfree(edev); -+ return -EINVAL; -+ } -+ -+ return 0; -+ -+fail: -+ kfree(edev); -+ input_free_device(input_dev); -+ -+ return -EINVAL; -+} -+ -+static struct platform_driver events_driver = { -+ .probe = events_probe, -+ .driver = { -+ .name = "goldfish_events", -+ }, -+}; -+ -+static int __devinit events_init(void) -+{ -+ return platform_driver_register(&events_driver); -+} -+ -+ -+static void __exit events_exit(void) -+{ -+} -+ -+module_init(events_init); -+module_exit(events_exit); -+ -+MODULE_AUTHOR("Brian Swetland"); -+MODULE_DESCRIPTION("Goldfish Event Device"); -+MODULE_LICENSE("GPL"); diff --git a/target/linux/goldfish/patches-2.6.30/0124--ARM-goldfish-mmc-goldfish-MMC-driver-building-an.patch b/target/linux/goldfish/patches-2.6.30/0124--ARM-goldfish-mmc-goldfish-MMC-driver-building-an.patch deleted file mode 100644 index 58ccbb0b12..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0124--ARM-goldfish-mmc-goldfish-MMC-driver-building-an.patch +++ /dev/null @@ -1,626 +0,0 @@ -From 2eccfcf4c5c50b412a0859a345d8d28fc043956b Mon Sep 17 00:00:00 2001 -From: Mike Lockwood <lockwood@android.com> -Date: Thu, 7 Feb 2008 07:47:30 -0500 -Subject: [PATCH 124/134] [ARM] goldfish: mmc: goldfish MMC driver building and runnning in 2.6.27. - -Signed-off-by: Mike A. Chan <mikechan@google.com> ---- - drivers/mmc/host/Kconfig | 8 + - drivers/mmc/host/Makefile | 1 + - drivers/mmc/host/goldfish.c | 583 +++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 592 insertions(+), 0 deletions(-) - create mode 100644 drivers/mmc/host/goldfish.c - ---- a/drivers/mmc/host/Kconfig -+++ b/drivers/mmc/host/Kconfig -@@ -200,6 +200,14 @@ config MMC_MVSDIO - To compile this driver as a module, choose M here: the - module will be called mvsdio. - -+config MMC_GOLDFISH -+ tristate "goldfish qemu Multimedia Card Interface support" -+ depends on ARCH_GOLDFISH -+ help -+ This selects the Goldfish Multimedia card Interface emulation. -+ -+ If unsure, say N. -+ - config MMC_SPI - tristate "MMC/SD/SDIO over SPI" - depends on SPI_MASTER && !HIGHMEM && HAS_DMA ---- a/drivers/mmc/host/Makefile -+++ b/drivers/mmc/host/Makefile -@@ -26,6 +26,7 @@ obj-$(CONFIG_MMC_SPI) += mmc_spi.o - ifeq ($(CONFIG_OF),y) - obj-$(CONFIG_MMC_SPI) += of_mmc_spi.o - endif -+obj-$(CONFIG_MMC_GOLDFISH) += goldfish.o - obj-$(CONFIG_MMC_S3C) += s3cmci.o - obj-$(CONFIG_MMC_SDRICOH_CS) += sdricoh_cs.o - obj-$(CONFIG_MMC_TMIO) += tmio_mmc.o ---- /dev/null -+++ b/drivers/mmc/host/goldfish.c -@@ -0,0 +1,583 @@ -+/* -+ * linux/drivers/media/mmc/goldfish.c -+ * -+ * Copyright 2007, Google Inc. -+ * -+ * based on omap.c driver, which was -+ * Copyright (C) 2004 Nokia Corporation -+ * Written by Tuukka Tikkanen and Juha Yrjölä<juha.yrjola@nokia.com> -+ * Misc hacks here and there by Tony Lindgren <tony@atomide.com> -+ * Other hacks (DMA, SD, etc) by David Brownell -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include <linux/module.h> -+#include <linux/platform_device.h> -+#include <linux/major.h> -+ -+#include <linux/types.h> -+#include <linux/pci.h> -+#include <linux/interrupt.h> -+ -+#include <linux/kernel.h> -+#include <linux/fs.h> -+#include <linux/errno.h> -+#include <linux/hdreg.h> -+#include <linux/kdev_t.h> -+#include <linux/blkdev.h> -+#include <linux/mutex.h> -+#include <linux/scatterlist.h> -+#include <linux/mmc/mmc.h> -+#include <linux/mmc/sdio.h> -+#include <linux/mmc/host.h> -+#include <linux/mmc/card.h> -+ -+#include <linux/moduleparam.h> -+#include <linux/init.h> -+#include <linux/ioport.h> -+#include <linux/dma-mapping.h> -+#include <linux/delay.h> -+#include <linux/spinlock.h> -+#include <linux/timer.h> -+#include <linux/clk.h> -+ -+#include <asm/io.h> -+#include <asm/irq.h> -+#include <asm/scatterlist.h> -+#include <asm/mach-types.h> -+ -+ -+#include <asm/types.h> -+#include <asm/io.h> -+#include <asm/uaccess.h> -+ -+#define DRIVER_NAME "goldfish_mmc" -+ -+#define BUFFER_SIZE 16384 -+ -+#define GOLDFISH_MMC_READ(host, addr) (readl(host->reg_base + addr)) -+#define GOLDFISH_MMC_WRITE(host, addr, x) (writel(x, host->reg_base + addr)) -+ -+ -+enum { -+ /* status register */ -+ MMC_INT_STATUS = 0x00, -+ /* set this to enable IRQ */ -+ MMC_INT_ENABLE = 0x04, -+ /* set this to specify buffer address */ -+ MMC_SET_BUFFER = 0x08, -+ -+ /* MMC command number */ -+ MMC_CMD = 0x0C, -+ -+ /* MMC argument */ -+ MMC_ARG = 0x10, -+ -+ /* MMC response (or R2 bits 0 - 31) */ -+ MMC_RESP_0 = 0x14, -+ -+ /* MMC R2 response bits 32 - 63 */ -+ MMC_RESP_1 = 0x18, -+ -+ /* MMC R2 response bits 64 - 95 */ -+ MMC_RESP_2 = 0x1C, -+ -+ /* MMC R2 response bits 96 - 127 */ -+ MMC_RESP_3 = 0x20, -+ -+ MMC_BLOCK_LENGTH = 0x24, -+ MMC_BLOCK_COUNT = 0x28, -+ -+ /* MMC state flags */ -+ MMC_STATE = 0x2C, -+ -+ /* MMC_INT_STATUS bits */ -+ -+ MMC_STAT_END_OF_CMD = 1U << 0, -+ MMC_STAT_END_OF_DATA = 1U << 1, -+ MMC_STAT_STATE_CHANGE = 1U << 2, -+ -+ /* MMC_STATE bits */ -+ MMC_STATE_INSERTED = 1U << 0, -+ MMC_STATE_READ_ONLY = 1U << 1, -+}; -+ -+/* -+ * Command types -+ */ -+#define OMAP_MMC_CMDTYPE_BC 0 -+#define OMAP_MMC_CMDTYPE_BCR 1 -+#define OMAP_MMC_CMDTYPE_AC 2 -+#define OMAP_MMC_CMDTYPE_ADTC 3 -+ -+ -+struct goldfish_mmc_host { -+ struct mmc_request * mrq; -+ struct mmc_command * cmd; -+ struct mmc_data * data; -+ struct mmc_host * mmc; -+ struct device * dev; -+ unsigned char id; /* 16xx chips have 2 MMC blocks */ -+ void __iomem *virt_base; -+ unsigned int phys_base; -+ int irq; -+ unsigned char bus_mode; -+ unsigned char hw_bus_mode; -+ -+ unsigned int sg_len; -+ unsigned dma_done:1; -+ unsigned dma_in_use:1; -+ -+ struct work_struct switch_work; -+ int switch_last_state; -+ -+ uint32_t reg_base; -+}; -+ -+static inline int -+goldfish_mmc_cover_is_open(struct goldfish_mmc_host *host) -+{ -+ return 0; -+} -+ -+static ssize_t -+goldfish_mmc_show_cover_switch(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ struct goldfish_mmc_host *host = dev_get_drvdata(dev); -+ -+ return sprintf(buf, "%s\n", goldfish_mmc_cover_is_open(host) ? "open" : -+ "closed"); -+} -+ -+static DEVICE_ATTR(cover_switch, S_IRUGO, goldfish_mmc_show_cover_switch, NULL); -+ -+static void -+goldfish_mmc_start_command(struct goldfish_mmc_host *host, struct mmc_command *cmd) -+{ -+ u32 cmdreg; -+ u32 resptype; -+ u32 cmdtype; -+ -+ host->cmd = cmd; -+ -+ resptype = 0; -+ cmdtype = 0; -+ -+ /* Our hardware needs to know exact type */ -+ switch (mmc_resp_type(cmd)) { -+ case MMC_RSP_NONE: -+ break; -+ case MMC_RSP_R1: -+ case MMC_RSP_R1B: -+ /* resp 1, 1b, 6, 7 */ -+ resptype = 1; -+ break; -+ case MMC_RSP_R2: -+ resptype = 2; -+ break; -+ case MMC_RSP_R3: -+ resptype = 3; -+ break; -+ default: -+ dev_err(mmc_dev(host->mmc), "Invalid response type: %04x\n", mmc_resp_type(cmd)); -+ break; -+ } -+ -+ if (mmc_cmd_type(cmd) == MMC_CMD_ADTC) { -+ cmdtype = OMAP_MMC_CMDTYPE_ADTC; -+ } else if (mmc_cmd_type(cmd) == MMC_CMD_BC) { -+ cmdtype = OMAP_MMC_CMDTYPE_BC; -+ } else if (mmc_cmd_type(cmd) == MMC_CMD_BCR) { -+ cmdtype = OMAP_MMC_CMDTYPE_BCR; -+ } else { -+ cmdtype = OMAP_MMC_CMDTYPE_AC; -+ } -+ -+ cmdreg = cmd->opcode | (resptype << 8) | (cmdtype << 12); -+ -+ if (host->bus_mode == MMC_BUSMODE_OPENDRAIN) -+ cmdreg |= 1 << 6; -+ -+ if (cmd->flags & MMC_RSP_BUSY) -+ cmdreg |= 1 << 11; -+ -+ if (host->data && !(host->data->flags & MMC_DATA_WRITE)) -+ cmdreg |= 1 << 15; -+ -+ GOLDFISH_MMC_WRITE(host, MMC_ARG, cmd->arg); -+ GOLDFISH_MMC_WRITE(host, MMC_CMD, cmdreg); -+} -+ -+static void -+goldfish_mmc_xfer_done(struct goldfish_mmc_host *host, struct mmc_data *data) -+{ -+ if (host->dma_in_use) { -+ enum dma_data_direction dma_data_dir; -+ -+ if (data->flags & MMC_DATA_WRITE) -+ dma_data_dir = DMA_TO_DEVICE; -+ else -+ dma_data_dir = DMA_FROM_DEVICE; -+ -+ if (dma_data_dir == DMA_FROM_DEVICE) { -+ // we don't really have DMA, so we need to copy from our platform driver buffer -+ uint8_t* dest = (uint8_t *)sg_virt(data->sg); -+ memcpy(dest, host->virt_base, data->sg->length); -+ } -+ -+ host->data->bytes_xfered += data->sg->length; -+ -+ dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->sg_len, dma_data_dir); -+ } -+ -+ host->data = NULL; -+ host->sg_len = 0; -+ -+ /* NOTE: MMC layer will sometimes poll-wait CMD13 next, issuing -+ * dozens of requests until the card finishes writing data. -+ * It'd be cheaper to just wait till an EOFB interrupt arrives... -+ */ -+ -+ if (!data->stop) { -+ host->mrq = NULL; -+ mmc_request_done(host->mmc, data->mrq); -+ return; -+ } -+ -+ goldfish_mmc_start_command(host, data->stop); -+} -+ -+static void -+goldfish_mmc_end_of_data(struct goldfish_mmc_host *host, struct mmc_data *data) -+{ -+ if (!host->dma_in_use) { -+ goldfish_mmc_xfer_done(host, data); -+ return; -+ } -+ if (host->dma_done) -+ goldfish_mmc_xfer_done(host, data); -+} -+ -+static void -+goldfish_mmc_cmd_done(struct goldfish_mmc_host *host, struct mmc_command *cmd) -+{ -+ host->cmd = NULL; -+ if (cmd->flags & MMC_RSP_PRESENT) { -+ if (cmd->flags & MMC_RSP_136) { -+ /* response type 2 */ -+ cmd->resp[3] = -+ GOLDFISH_MMC_READ(host, MMC_RESP_0); -+ cmd->resp[2] = -+ GOLDFISH_MMC_READ(host, MMC_RESP_1); -+ cmd->resp[1] = -+ GOLDFISH_MMC_READ(host, MMC_RESP_2); -+ cmd->resp[0] = -+ GOLDFISH_MMC_READ(host, MMC_RESP_3); -+ } else { -+ /* response types 1, 1b, 3, 4, 5, 6 */ -+ cmd->resp[0] = -+ GOLDFISH_MMC_READ(host, MMC_RESP_0); -+ } -+ } -+ -+ if (host->data == NULL || cmd->error) { -+ host->mrq = NULL; -+ mmc_request_done(host->mmc, cmd->mrq); -+ } -+} -+ -+static irqreturn_t goldfish_mmc_irq(int irq, void *dev_id) -+{ -+ struct goldfish_mmc_host * host = (struct goldfish_mmc_host *)dev_id; -+ u16 status; -+ int end_command; -+ int end_transfer; -+ int transfer_error; -+ int state_changed; -+ -+ if (host->cmd == NULL && host->data == NULL) { -+ status = GOLDFISH_MMC_READ(host, MMC_INT_STATUS); -+ dev_info(mmc_dev(host->mmc),"spurious irq 0x%04x\n", status); -+ if (status != 0) { -+ GOLDFISH_MMC_WRITE(host, MMC_INT_STATUS, status); -+ GOLDFISH_MMC_WRITE(host, MMC_INT_ENABLE, 0); -+ } -+ return IRQ_HANDLED; -+ } -+ -+ end_command = 0; -+ end_transfer = 0; -+ transfer_error = 0; -+ state_changed = 0; -+ -+ while ((status = GOLDFISH_MMC_READ(host, MMC_INT_STATUS)) != 0) { -+ GOLDFISH_MMC_WRITE(host, MMC_INT_STATUS, status); -+ -+ if (status & MMC_STAT_END_OF_CMD) { -+ end_command = 1; -+ } -+ -+ if (status & MMC_STAT_END_OF_DATA) { -+ end_transfer = 1; -+ } -+ if (status & MMC_STAT_STATE_CHANGE) { -+ state_changed = 1; -+ } -+ } -+ -+ if (end_command) { -+ goldfish_mmc_cmd_done(host, host->cmd); -+ } -+ if (transfer_error) -+ goldfish_mmc_xfer_done(host, host->data); -+ else if (end_transfer) { -+ host->dma_done = 1; -+ goldfish_mmc_end_of_data(host, host->data); -+ } -+ if (state_changed) { -+ schedule_work(&host->switch_work); -+ } -+ -+ return IRQ_HANDLED; -+} -+ -+ -+static void goldfish_mmc_switch_handler(struct work_struct *work) -+{ -+/* -+ struct goldfish_mmc_host *host = container_of(work, struct goldfish_mmc_host, switch_work); -+ struct mmc_card *card; -+ static int complained = 0; -+ int cards = 0, cover_open; -+ -+ cover_open = goldfish_mmc_cover_is_open(host); -+ if (cover_open != host->switch_last_state) { -+ kobject_uevent(&host->dev->kobj, KOBJ_CHANGE); -+ host->switch_last_state = cover_open; -+ } -+ mmc_detect_change(host->mmc, 0); -+ list_for_each_entry(card, &host->mmc->cards, node) { -+ if (mmc_card_present(card)) -+ cards++; -+ } -+ if (goldfish_mmc_cover_is_open(host)) { -+ if (!complained) { -+ dev_info(mmc_dev(host->mmc), "cover is open\n"); -+ complained = 1; -+ } -+ } else { -+ complained = 0; -+ } -+*/ -+} -+ -+ -+static void -+goldfish_mmc_prepare_data(struct goldfish_mmc_host *host, struct mmc_request *req) -+{ -+ struct mmc_data *data = req->data; -+ int block_size; -+ unsigned sg_len; -+ enum dma_data_direction dma_data_dir; -+ -+ host->data = data; -+ if (data == NULL) { -+ GOLDFISH_MMC_WRITE(host, MMC_BLOCK_LENGTH, 0); -+ GOLDFISH_MMC_WRITE(host, MMC_BLOCK_COUNT, 0); -+ host->dma_in_use = 0; -+ return; -+ } -+ -+ block_size = data->blksz; -+ -+ GOLDFISH_MMC_WRITE(host, MMC_BLOCK_COUNT, data->blocks - 1); -+ GOLDFISH_MMC_WRITE(host, MMC_BLOCK_LENGTH, block_size - 1); -+ -+ /* cope with calling layer confusion; it issues "single -+ * block" writes using multi-block scatterlists. -+ */ -+ sg_len = (data->blocks == 1) ? 1 : data->sg_len; -+ -+ if (data->flags & MMC_DATA_WRITE) -+ dma_data_dir = DMA_TO_DEVICE; -+ else -+ dma_data_dir = DMA_FROM_DEVICE; -+ -+ host->sg_len = dma_map_sg(mmc_dev(host->mmc), data->sg, -+ sg_len, dma_data_dir); -+ host->dma_done = 0; -+ host->dma_in_use = 1; -+ -+ if (dma_data_dir == DMA_TO_DEVICE) { -+ // we don't really have DMA, so we need to copy to our platform driver buffer -+ const uint8_t* src = (uint8_t *)sg_virt(data->sg); -+ memcpy(host->virt_base, src, data->sg->length); -+ } -+} -+ -+static void goldfish_mmc_request(struct mmc_host *mmc, struct mmc_request *req) -+{ -+ struct goldfish_mmc_host *host = mmc_priv(mmc); -+ -+ WARN_ON(host->mrq != NULL); -+ -+ host->mrq = req; -+ goldfish_mmc_prepare_data(host, req); -+ goldfish_mmc_start_command(host, req->cmd); -+ -+ /* this is to avoid accidentally being detected as an SDIO card in mmc_attach_sdio() */ -+ if (req->cmd->opcode == SD_IO_SEND_OP_COND && -+ req->cmd->flags == (MMC_RSP_SPI_R4 | MMC_RSP_R4 | MMC_CMD_BCR)) { -+ req->cmd->error = -EINVAL; -+ } -+} -+ -+static void goldfish_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) -+{ -+ struct goldfish_mmc_host *host = mmc_priv(mmc); -+ -+ host->bus_mode = ios->bus_mode; -+ host->hw_bus_mode = host->bus_mode; -+} -+ -+static int goldfish_mmc_get_ro(struct mmc_host *mmc) -+{ -+ uint32_t state; -+ struct goldfish_mmc_host *host = mmc_priv(mmc); -+ -+ state = GOLDFISH_MMC_READ(host, MMC_STATE); -+ return ((state & MMC_STATE_READ_ONLY) != 0); -+} -+ -+static const struct mmc_host_ops goldfish_mmc_ops = { -+ .request = goldfish_mmc_request, -+ .set_ios = goldfish_mmc_set_ios, -+ .get_ro = goldfish_mmc_get_ro, -+}; -+ -+static int __init goldfish_mmc_probe(struct platform_device *pdev) -+{ -+ struct mmc_host *mmc; -+ struct goldfish_mmc_host *host = NULL; -+ struct resource *res; -+ int ret = 0; -+ int irq; -+ dma_addr_t buf_addr; -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ irq = platform_get_irq(pdev, 0); -+ if (res == NULL || irq < 0) -+ return -ENXIO; -+ -+ mmc = mmc_alloc_host(sizeof(struct goldfish_mmc_host), &pdev->dev); -+ if (mmc == NULL) { -+ ret = -ENOMEM; -+ goto err_alloc_host_failed; -+ } -+ -+ host = mmc_priv(mmc); -+ host->mmc = mmc; -+ host->reg_base = IO_ADDRESS(res->start - IO_START); -+ host->virt_base = dma_alloc_writecombine(&pdev->dev, BUFFER_SIZE, -+ &buf_addr, GFP_KERNEL); -+ if(host->virt_base == 0) { -+ ret = -EBUSY; -+ goto dma_alloc_failed; -+ } -+ host->phys_base = buf_addr; -+ -+ host->id = pdev->id; -+ host->irq = irq; -+ -+ mmc->ops = &goldfish_mmc_ops; -+ mmc->f_min = 400000; -+ mmc->f_max = 24000000; -+ mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; -+ mmc->caps = MMC_CAP_4_BIT_DATA; -+ -+ /* Use scatterlist DMA to reduce per-transfer costs. -+ * NOTE max_seg_size assumption that small blocks aren't -+ * normally used (except e.g. for reading SD registers). -+ */ -+ mmc->max_phys_segs = 32; -+ mmc->max_hw_segs = 32; -+ mmc->max_blk_size = 2048; /* MMC_BLOCK_LENGTH is 11 bits (+1) */ -+ mmc->max_blk_count = 2048; /* MMC_BLOCK_COUNT is 11 bits (+1) */ -+ mmc->max_req_size = BUFFER_SIZE; -+ mmc->max_seg_size = mmc->max_req_size; -+ -+ ret = request_irq(host->irq, goldfish_mmc_irq, 0, DRIVER_NAME, host); -+ if (ret) -+ goto err_request_irq_failed; -+ -+ host->dev = &pdev->dev; -+ platform_set_drvdata(pdev, host); -+ -+ ret = device_create_file(&pdev->dev, &dev_attr_cover_switch); -+ if (ret) -+ dev_warn(mmc_dev(host->mmc), "Unable to create sysfs attributes\n"); -+ -+ mmc_add_host(mmc); -+ -+ GOLDFISH_MMC_WRITE(host, MMC_SET_BUFFER, host->phys_base); -+ GOLDFISH_MMC_WRITE(host, MMC_INT_ENABLE, -+ MMC_STAT_END_OF_CMD | MMC_STAT_END_OF_DATA | MMC_STAT_STATE_CHANGE -+ ); -+ -+ // we start with the card present -+ kobject_uevent(&host->dev->kobj, KOBJ_CHANGE); -+ mmc_detect_change(host->mmc, 0); -+ -+ INIT_WORK(&host->switch_work, goldfish_mmc_switch_handler); -+ -+ return 0; -+ -+err_request_irq_failed: -+ dma_free_writecombine(&pdev->dev, BUFFER_SIZE, host->virt_base, host->phys_base); -+dma_alloc_failed: -+ mmc_free_host(host->mmc); -+err_alloc_host_failed: -+ return ret; -+} -+ -+static int goldfish_mmc_remove(struct platform_device *pdev) -+{ -+ struct goldfish_mmc_host *host = platform_get_drvdata(pdev); -+ -+ platform_set_drvdata(pdev, NULL); -+ -+ BUG_ON(host == NULL); -+ -+ mmc_remove_host(host->mmc); -+ free_irq(host->irq, host); -+ dma_free_writecombine(&pdev->dev, BUFFER_SIZE, host->virt_base, host->phys_base); -+ mmc_free_host(host->mmc); -+ -+ return 0; -+} -+ -+static struct platform_driver goldfish_mmc_driver = { -+ .probe = goldfish_mmc_probe, -+ .remove = goldfish_mmc_remove, -+ .driver = { -+ .name = DRIVER_NAME, -+ }, -+}; -+ -+static int __init goldfish_mmc_init(void) -+{ -+ return platform_driver_register(&goldfish_mmc_driver); -+} -+ -+static void __exit goldfish_mmc_exit(void) -+{ -+ platform_driver_unregister(&goldfish_mmc_driver); -+} -+ -+module_init(goldfish_mmc_init); -+module_exit(goldfish_mmc_exit); -+ diff --git a/target/linux/goldfish/patches-2.6.30/0125--ARM-goldfish-NAND-Add-nand-driver-for-goldfish.patch b/target/linux/goldfish/patches-2.6.30/0125--ARM-goldfish-NAND-Add-nand-driver-for-goldfish.patch deleted file mode 100644 index 0310888fcd..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0125--ARM-goldfish-NAND-Add-nand-driver-for-goldfish.patch +++ /dev/null @@ -1,521 +0,0 @@ -From bed297dad6283a5926962c1c59f95ad641824630 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@google.com> -Date: Fri, 29 Jun 2007 22:20:07 -0700 -Subject: [PATCH 125/134] [ARM] goldfish: NAND: Add nand driver for goldfish. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: Mike A. Chan <mikechan@google.com> -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - drivers/mtd/devices/Kconfig | 5 + - drivers/mtd/devices/Makefile | 1 + - drivers/mtd/devices/goldfish_nand.c | 418 +++++++++++++++++++++++++++++++ - drivers/mtd/devices/goldfish_nand_reg.h | 58 +++++ - 4 files changed, 482 insertions(+), 0 deletions(-) - create mode 100644 drivers/mtd/devices/goldfish_nand.c - create mode 100644 drivers/mtd/devices/goldfish_nand_reg.h - ---- a/drivers/mtd/devices/Kconfig -+++ b/drivers/mtd/devices/Kconfig -@@ -297,5 +297,10 @@ config MTD_DOCPROBE_55AA - LinuxBIOS or if you need to recover a DiskOnChip Millennium on which - you have managed to wipe the first block. - -+config MTD_GOLDFISH_NAND -+ tristate "Goldfish NAND device" -+ help -+ none -+ - endmenu - ---- a/drivers/mtd/devices/Makefile -+++ b/drivers/mtd/devices/Makefile -@@ -16,3 +16,4 @@ obj-$(CONFIG_MTD_LART) += lart.o - obj-$(CONFIG_MTD_BLOCK2MTD) += block2mtd.o - obj-$(CONFIG_MTD_DATAFLASH) += mtd_dataflash.o - obj-$(CONFIG_MTD_M25P80) += m25p80.o -+obj-$(CONFIG_MTD_GOLDFISH_NAND) += goldfish_nand.o ---- /dev/null -+++ b/drivers/mtd/devices/goldfish_nand.c -@@ -0,0 +1,418 @@ -+/* drivers/mtd/devices/goldfish_nand.c -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#include <asm/div64.h> -+#include <asm/io.h> -+#include <linux/module.h> -+#include <linux/slab.h> -+#include <linux/ioport.h> -+#include <linux/vmalloc.h> -+#include <linux/init.h> -+#include <linux/mtd/compatmac.h> -+#include <linux/mtd/mtd.h> -+#include <linux/platform_device.h> -+ -+#include "goldfish_nand_reg.h" -+ -+struct goldfish_nand { -+ spinlock_t lock; -+ unsigned char __iomem *base; -+ size_t mtd_count; -+ struct mtd_info mtd[0]; -+}; -+ -+static uint32_t goldfish_nand_cmd(struct mtd_info *mtd, enum nand_cmd cmd, -+ uint64_t addr, uint32_t len, void *ptr) -+{ -+ struct goldfish_nand *nand = mtd->priv; -+ uint32_t rv; -+ unsigned long irq_flags; -+ unsigned char __iomem *base = nand->base; -+ -+ spin_lock_irqsave(&nand->lock, irq_flags); -+ writel(mtd - nand->mtd, base + NAND_DEV); -+ writel((uint32_t)(addr >> 32), base + NAND_ADDR_HIGH); -+ writel((uint32_t)addr, base + NAND_ADDR_LOW); -+ writel(len, base + NAND_TRANSFER_SIZE); -+ writel(ptr, base + NAND_DATA); -+ writel(cmd, base + NAND_COMMAND); -+ rv = readl(base + NAND_RESULT); -+ spin_unlock_irqrestore(&nand->lock, irq_flags); -+ return rv; -+} -+ -+static int goldfish_nand_erase(struct mtd_info *mtd, struct erase_info *instr) -+{ -+ loff_t ofs = instr->addr; -+ uint32_t len = instr->len; -+ uint32_t rem; -+ -+ if (ofs + len > mtd->size) -+ goto invalid_arg; -+ rem = do_div(ofs, mtd->writesize); -+ if(rem) -+ goto invalid_arg; -+ ofs *= (mtd->writesize + mtd->oobsize); -+ -+ if(len % mtd->writesize) -+ goto invalid_arg; -+ len = len / mtd->writesize * (mtd->writesize + mtd->oobsize); -+ -+ if(goldfish_nand_cmd(mtd, NAND_CMD_ERASE, ofs, len, NULL) != len) { -+ printk("goldfish_nand_erase: erase failed, start %llx, len %x, dev_size " -+ "%llx, erase_size %x\n", ofs, len, mtd->size, mtd->erasesize); -+ return -EIO; -+ } -+ -+ instr->state = MTD_ERASE_DONE; -+ mtd_erase_callback(instr); -+ -+ return 0; -+ -+invalid_arg: -+ printk("goldfish_nand_erase: invalid erase, start %llx, len %x, dev_size " -+ "%llx, erase_size %x\n", ofs, len, mtd->size, mtd->erasesize); -+ return -EINVAL; -+} -+ -+static int goldfish_nand_read_oob(struct mtd_info *mtd, loff_t ofs, -+ struct mtd_oob_ops *ops) -+{ -+ uint32_t rem; -+ -+ if(ofs + ops->len > mtd->size) -+ goto invalid_arg; -+ if(ops->datbuf && ops->len && ops->len != mtd->writesize) -+ goto invalid_arg; -+ if(ops->ooblen + ops->ooboffs > mtd->oobsize) -+ goto invalid_arg; -+ -+ rem = do_div(ofs, mtd->writesize); -+ if(rem) -+ goto invalid_arg; -+ ofs *= (mtd->writesize + mtd->oobsize); -+ -+ if(ops->datbuf) -+ ops->retlen = goldfish_nand_cmd(mtd, NAND_CMD_READ, ofs, -+ ops->len, ops->datbuf); -+ ofs += mtd->writesize + ops->ooboffs; -+ if(ops->oobbuf) -+ ops->oobretlen = goldfish_nand_cmd(mtd, NAND_CMD_READ, ofs, -+ ops->ooblen, ops->oobbuf); -+ return 0; -+ -+invalid_arg: -+ printk("goldfish_nand_read_oob: invalid read, start %llx, len %x, " -+ "ooblen %x, dev_size %llx, write_size %x\n", -+ ofs, ops->len, ops->ooblen, mtd->size, mtd->writesize); -+ return -EINVAL; -+} -+ -+static int goldfish_nand_write_oob(struct mtd_info *mtd, loff_t ofs, -+ struct mtd_oob_ops *ops) -+{ -+ uint32_t rem; -+ -+ if(ofs + ops->len > mtd->size) -+ goto invalid_arg; -+ if(ops->len && ops->len != mtd->writesize) -+ goto invalid_arg; -+ if(ops->ooblen + ops->ooboffs > mtd->oobsize) -+ goto invalid_arg; -+ -+ rem = do_div(ofs, mtd->writesize); -+ if(rem) -+ goto invalid_arg; -+ ofs *= (mtd->writesize + mtd->oobsize); -+ -+ if(ops->datbuf) -+ ops->retlen = goldfish_nand_cmd(mtd, NAND_CMD_WRITE, ofs, -+ ops->len, ops->datbuf); -+ ofs += mtd->writesize + ops->ooboffs; -+ if(ops->oobbuf) -+ ops->oobretlen = goldfish_nand_cmd(mtd, NAND_CMD_WRITE, ofs, -+ ops->ooblen, ops->oobbuf); -+ return 0; -+ -+invalid_arg: -+ printk("goldfish_nand_write_oob: invalid write, start %llx, len %x, " -+ "ooblen %x, dev_size %llx, write_size %x\n", -+ ofs, ops->len, ops->ooblen, mtd->size, mtd->writesize); -+ return -EINVAL; -+} -+ -+static int goldfish_nand_read(struct mtd_info *mtd, loff_t from, size_t len, -+ size_t *retlen, u_char *buf) -+{ -+ uint32_t rem; -+ -+ if(from + len > mtd->size) -+ goto invalid_arg; -+ if(len != mtd->writesize) -+ goto invalid_arg; -+ -+ rem = do_div(from, mtd->writesize); -+ if(rem) -+ goto invalid_arg; -+ from *= (mtd->writesize + mtd->oobsize); -+ -+ *retlen = goldfish_nand_cmd(mtd, NAND_CMD_READ, from, len, buf); -+ return 0; -+ -+invalid_arg: -+ printk("goldfish_nand_read: invalid read, start %llx, len %x, dev_size %llx" -+ ", write_size %x\n", from, len, mtd->size, mtd->writesize); -+ return -EINVAL; -+} -+ -+static int goldfish_nand_write(struct mtd_info *mtd, loff_t to, size_t len, -+ size_t *retlen, const u_char *buf) -+{ -+ uint32_t rem; -+ -+ if(to + len > mtd->size) -+ goto invalid_arg; -+ if(len != mtd->writesize) -+ goto invalid_arg; -+ -+ rem = do_div(to, mtd->writesize); -+ if(rem) -+ goto invalid_arg; -+ to *= (mtd->writesize + mtd->oobsize); -+ -+ *retlen = goldfish_nand_cmd(mtd, NAND_CMD_WRITE, to, len, (void *)buf); -+ return 0; -+ -+invalid_arg: -+ printk("goldfish_nand_write: invalid write, start %llx, len %x, dev_size %llx" -+ ", write_size %x\n", to, len, mtd->size, mtd->writesize); -+ return -EINVAL; -+} -+ -+static int goldfish_nand_block_isbad(struct mtd_info *mtd, loff_t ofs) -+{ -+ uint32_t rem; -+ -+ if(ofs >= mtd->size) -+ goto invalid_arg; -+ -+ rem = do_div(ofs, mtd->erasesize); -+ if(rem) -+ goto invalid_arg; -+ ofs *= mtd->erasesize / mtd->writesize; -+ ofs *= (mtd->writesize + mtd->oobsize); -+ -+ return goldfish_nand_cmd(mtd, NAND_CMD_BLOCK_BAD_GET, ofs, 0, NULL); -+ -+invalid_arg: -+ printk("goldfish_nand_block_isbad: invalid arg, ofs %llx, dev_size %llx, " -+ "write_size %x\n", ofs, mtd->size, mtd->writesize); -+ return -EINVAL; -+} -+ -+static int goldfish_nand_block_markbad(struct mtd_info *mtd, loff_t ofs) -+{ -+ uint32_t rem; -+ -+ if(ofs >= mtd->size) -+ goto invalid_arg; -+ -+ rem = do_div(ofs, mtd->erasesize); -+ if(rem) -+ goto invalid_arg; -+ ofs *= mtd->erasesize / mtd->writesize; -+ ofs *= (mtd->writesize + mtd->oobsize); -+ -+ if(goldfish_nand_cmd(mtd, NAND_CMD_BLOCK_BAD_SET, ofs, 0, NULL) != 1) -+ return -EIO; -+ return 0; -+ -+invalid_arg: -+ printk("goldfish_nand_block_markbad: invalid arg, ofs %llx, dev_size %llx, " -+ "write_size %x\n", ofs, mtd->size, mtd->writesize); -+ return -EINVAL; -+} -+ -+static int goldfish_nand_init_device(struct goldfish_nand *nand, int id) -+{ -+ uint32_t name_len; -+ uint32_t result; -+ uint32_t flags; -+ unsigned long irq_flags; -+ unsigned char __iomem *base = nand->base; -+ struct mtd_info *mtd = &nand->mtd[id]; -+ char *name; -+ -+ spin_lock_irqsave(&nand->lock, irq_flags); -+ writel(id, base + NAND_DEV); -+ flags = readl(base + NAND_DEV_FLAGS); -+ name_len = readl(base + NAND_DEV_NAME_LEN); -+ mtd->writesize = readl(base + NAND_DEV_PAGE_SIZE); -+ mtd->size = readl(base + NAND_DEV_SIZE_LOW); -+ mtd->size |= (uint64_t)readl(base + NAND_DEV_SIZE_HIGH) << 32; -+ mtd->oobsize = readl(base + NAND_DEV_EXTRA_SIZE); -+ mtd->oobavail = mtd->oobsize; -+ mtd->erasesize = readl(base + NAND_DEV_ERASE_SIZE) / -+ (mtd->writesize + mtd->oobsize) * mtd->writesize; -+ do_div(mtd->size, mtd->writesize + mtd->oobsize); -+ mtd->size *= mtd->writesize; -+ printk("goldfish nand dev%d: size %llx, page %d, extra %d, erase %d\n", -+ id, mtd->size, mtd->writesize, mtd->oobsize, mtd->erasesize); -+ spin_unlock_irqrestore(&nand->lock, irq_flags); -+ -+ mtd->priv = nand; -+ -+ mtd->name = name = kmalloc(name_len + 1, GFP_KERNEL); -+ if(name == NULL) -+ return -ENOMEM; -+ -+ result = goldfish_nand_cmd(mtd, NAND_CMD_GET_DEV_NAME, 0, name_len, name); -+ if(result != name_len) { -+ kfree(mtd->name); -+ mtd->name = NULL; -+ printk("goldfish_nand_init_device failed to get dev name %d != %d\n", -+ result, name_len); -+ return -ENODEV; -+ } -+ ((char *) mtd->name)[name_len] = '\0'; -+ -+ /* Setup the MTD structure */ -+ mtd->type = MTD_NANDFLASH; -+ mtd->flags = MTD_CAP_NANDFLASH; -+ if(flags & NAND_DEV_FLAG_READ_ONLY) -+ mtd->flags &= ~MTD_WRITEABLE; -+ -+ mtd->owner = THIS_MODULE; -+ mtd->erase = goldfish_nand_erase; -+ mtd->read = goldfish_nand_read; -+ mtd->write = goldfish_nand_write; -+ mtd->read_oob = goldfish_nand_read_oob; -+ mtd->write_oob = goldfish_nand_write_oob; -+ mtd->block_isbad = goldfish_nand_block_isbad; -+ mtd->block_markbad = goldfish_nand_block_markbad; -+ -+ if (add_mtd_device(mtd)) { -+ kfree(mtd->name); -+ mtd->name = NULL; -+ return -EIO; -+ } -+ -+ return 0; -+} -+ -+static int goldfish_nand_probe(struct platform_device *pdev) -+{ -+ uint32_t num_dev; -+ int i; -+ int err; -+ uint32_t num_dev_working; -+ uint32_t version; -+ struct resource *r; -+ struct goldfish_nand *nand; -+ unsigned char __iomem *base; -+ -+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if(r == NULL) { -+ err = -ENODEV; -+ goto err_no_io_base; -+ } -+ -+ base = ioremap(r->start, PAGE_SIZE); -+ if(base == NULL) { -+ err = -ENOMEM; -+ goto err_ioremap; -+ } -+ version = readl(base + NAND_VERSION); -+ if(version != NAND_VERSION_CURRENT) { -+ printk("goldfish_nand_init: version mismatch, got %d, expected %d\n", -+ version, NAND_VERSION_CURRENT); -+ err = -ENODEV; -+ goto err_no_dev; -+ } -+ num_dev = readl(base + NAND_NUM_DEV); -+ if(num_dev == 0) { -+ err = -ENODEV; -+ goto err_no_dev; -+ } -+ -+ nand = kzalloc(sizeof(*nand) + sizeof(struct mtd_info) * num_dev, GFP_KERNEL); -+ if(nand == NULL) { -+ err = -ENOMEM; -+ goto err_nand_alloc_failed; -+ } -+ spin_lock_init(&nand->lock); -+ nand->base = base; -+ nand->mtd_count = num_dev; -+ platform_set_drvdata(pdev, nand); -+ -+ num_dev_working = 0; -+ for(i = 0; i < num_dev; i++) { -+ err = goldfish_nand_init_device(nand, i); -+ if(err == 0) -+ num_dev_working++; -+ } -+ if(num_dev_working == 0) { -+ err = -ENODEV; -+ goto err_no_working_dev; -+ } -+ return 0; -+ -+err_no_working_dev: -+ kfree(nand); -+err_nand_alloc_failed: -+err_no_dev: -+ iounmap(base); -+err_ioremap: -+err_no_io_base: -+ return err; -+} -+ -+static int goldfish_nand_remove(struct platform_device *pdev) -+{ -+ struct goldfish_nand *nand = platform_get_drvdata(pdev); -+ int i; -+ for(i = 0; i < nand->mtd_count; i++) { -+ if(nand->mtd[i].name) { -+ del_mtd_device(&nand->mtd[i]); -+ kfree(nand->mtd[i].name); -+ } -+ } -+ iounmap(nand->base); -+ kfree(nand); -+ return 0; -+} -+ -+static struct platform_driver goldfish_nand_driver = { -+ .probe = goldfish_nand_probe, -+ .remove = goldfish_nand_remove, -+ .driver = { -+ .name = "goldfish_nand" -+ } -+}; -+ -+static int __init goldfish_nand_init(void) -+{ -+ return platform_driver_register(&goldfish_nand_driver); -+} -+ -+static void __exit goldfish_nand_exit(void) -+{ -+ platform_driver_unregister(&goldfish_nand_driver); -+} -+ -+ -+module_init(goldfish_nand_init); -+module_exit(goldfish_nand_exit); -+ ---- /dev/null -+++ b/drivers/mtd/devices/goldfish_nand_reg.h -@@ -0,0 +1,58 @@ -+/* drivers/mtd/devices/goldfish_nand_reg.h -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#ifndef GOLDFISH_NAND_REG_H -+#define GOLDFISH_NAND_REG_H -+ -+enum nand_cmd { -+ NAND_CMD_GET_DEV_NAME, // Write device name for NAND_DEV to NAND_DATA (vaddr) -+ NAND_CMD_READ, -+ NAND_CMD_WRITE, -+ NAND_CMD_ERASE, -+ NAND_CMD_BLOCK_BAD_GET, // NAND_RESULT is 1 if block is bad, 0 if it is not -+ NAND_CMD_BLOCK_BAD_SET -+}; -+ -+enum nand_dev_flags { -+ NAND_DEV_FLAG_READ_ONLY = 0x00000001 -+}; -+ -+#define NAND_VERSION_CURRENT (1) -+ -+enum nand_reg { -+ // Global -+ NAND_VERSION = 0x000, -+ NAND_NUM_DEV = 0x004, -+ NAND_DEV = 0x008, -+ -+ // Dev info -+ NAND_DEV_FLAGS = 0x010, -+ NAND_DEV_NAME_LEN = 0x014, -+ NAND_DEV_PAGE_SIZE = 0x018, -+ NAND_DEV_EXTRA_SIZE = 0x01c, -+ NAND_DEV_ERASE_SIZE = 0x020, -+ NAND_DEV_SIZE_LOW = 0x028, -+ NAND_DEV_SIZE_HIGH = 0x02c, -+ -+ // Command -+ NAND_RESULT = 0x040, -+ NAND_COMMAND = 0x044, -+ NAND_DATA = 0x048, -+ NAND_TRANSFER_SIZE = 0x04c, -+ NAND_ADDR_LOW = 0x050, -+ NAND_ADDR_HIGH = 0x054, -+}; -+ -+#endif diff --git a/target/linux/goldfish/patches-2.6.30/0126--ARM-goldfish-POWER-New-power-supply-driver-for-g.patch b/target/linux/goldfish/patches-2.6.30/0126--ARM-goldfish-POWER-New-power-supply-driver-for-g.patch deleted file mode 100644 index b5df72c403..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0126--ARM-goldfish-POWER-New-power-supply-driver-for-g.patch +++ /dev/null @@ -1,298 +0,0 @@ -From 7041346d379e563e9ee66f9dd31277e4fb6b1b1f Mon Sep 17 00:00:00 2001 -From: Mike Lockwood <lockwood@android.com> -Date: Wed, 6 Feb 2008 11:37:10 -0500 -Subject: [PATCH 126/134] [ARM] goldfish: POWER: New power supply driver for goldfish. - -Signed-off-by: Mike A. Chan <mikechan@google.com> ---- - drivers/power/Kconfig | 5 + - drivers/power/Makefile | 3 +- - drivers/power/goldfish_battery.c | 254 ++++++++++++++++++++++++++++++++++++++ - 3 files changed, 261 insertions(+), 1 deletions(-) - create mode 100644 drivers/power/goldfish_battery.c - ---- a/drivers/power/Kconfig -+++ b/drivers/power/Kconfig -@@ -88,4 +88,9 @@ config CHARGER_PCF50633 - help - Say Y to include support for NXP PCF50633 Main Battery Charger. - -+config BATTERY_GOLDFISH -+ tristate "Goldfish battery driver" -+ help -+ Say Y to enable support for the battery and AC power in the Goldfish emulator. -+ - endif # POWER_SUPPLY ---- a/drivers/power/Makefile -+++ b/drivers/power/Makefile -@@ -19,10 +19,11 @@ obj-$(CONFIG_APM_POWER) += apm_power.o - obj-$(CONFIG_WM8350_POWER) += wm8350_power.o - - obj-$(CONFIG_BATTERY_DS2760) += ds2760_battery.o -+obj-$(CONFIG_BATTERY_GOLDFISH) += goldfish_battery.o - obj-$(CONFIG_BATTERY_PMU) += pmu_battery.o - obj-$(CONFIG_BATTERY_OLPC) += olpc_battery.o - obj-$(CONFIG_BATTERY_TOSA) += tosa_battery.o - obj-$(CONFIG_BATTERY_WM97XX) += wm97xx_battery.o - obj-$(CONFIG_BATTERY_BQ27x00) += bq27x00_battery.o - obj-$(CONFIG_BATTERY_DA9030) += da9030_battery.o --obj-$(CONFIG_CHARGER_PCF50633) += pcf50633-charger.o -\ No newline at end of file -+obj-$(CONFIG_CHARGER_PCF50633) += pcf50633-charger.o ---- /dev/null -+++ b/drivers/power/goldfish_battery.c -@@ -0,0 +1,254 @@ -+/* drivers/power/goldfish_battery.c -+ * -+ * Power supply driver for the goldfish emulator -+ * -+ * Copyright (C) 2008 Google, Inc. -+ * Author: Mike Lockwood <lockwood@android.com> -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/module.h> -+#include <linux/err.h> -+#include <linux/platform_device.h> -+#include <linux/power_supply.h> -+#include <linux/types.h> -+#include <linux/pci.h> -+#include <linux/interrupt.h> -+#include <asm/io.h> -+ -+ -+struct goldfish_battery_data { -+ uint32_t reg_base; -+ int irq; -+ spinlock_t lock; -+ -+ struct power_supply battery; -+ struct power_supply ac; -+}; -+ -+#define GOLDFISH_BATTERY_READ(data, addr) (readl(data->reg_base + addr)) -+#define GOLDFISH_BATTERY_WRITE(data, addr, x) (writel(x, data->reg_base + addr)) -+ -+ -+/* temporary variable used between goldfish_battery_probe() and goldfish_battery_open() */ -+static struct goldfish_battery_data *battery_data; -+ -+enum { -+ /* status register */ -+ BATTERY_INT_STATUS = 0x00, -+ /* set this to enable IRQ */ -+ BATTERY_INT_ENABLE = 0x04, -+ -+ BATTERY_AC_ONLINE = 0x08, -+ BATTERY_STATUS = 0x0C, -+ BATTERY_HEALTH = 0x10, -+ BATTERY_PRESENT = 0x14, -+ BATTERY_CAPACITY = 0x18, -+ -+ BATTERY_STATUS_CHANGED = 1U << 0, -+ AC_STATUS_CHANGED = 1U << 1, -+ BATTERY_INT_MASK = BATTERY_STATUS_CHANGED | AC_STATUS_CHANGED, -+}; -+ -+ -+static int goldfish_ac_get_property(struct power_supply *psy, -+ enum power_supply_property psp, -+ union power_supply_propval *val) -+{ -+ struct goldfish_battery_data *data = container_of(psy, -+ struct goldfish_battery_data, ac); -+ int ret = 0; -+ -+ switch (psp) { -+ case POWER_SUPPLY_PROP_ONLINE: -+ val->intval = GOLDFISH_BATTERY_READ(data, BATTERY_AC_ONLINE); -+ break; -+ default: -+ ret = -EINVAL; -+ break; -+ } -+ return ret; -+} -+ -+static int goldfish_battery_get_property(struct power_supply *psy, -+ enum power_supply_property psp, -+ union power_supply_propval *val) -+{ -+ struct goldfish_battery_data *data = container_of(psy, -+ struct goldfish_battery_data, battery); -+ int ret = 0; -+ -+ switch (psp) { -+ case POWER_SUPPLY_PROP_STATUS: -+ val->intval = GOLDFISH_BATTERY_READ(data, BATTERY_STATUS); -+ break; -+ case POWER_SUPPLY_PROP_HEALTH: -+ val->intval = GOLDFISH_BATTERY_READ(data, BATTERY_HEALTH); -+ break; -+ case POWER_SUPPLY_PROP_PRESENT: -+ val->intval = GOLDFISH_BATTERY_READ(data, BATTERY_PRESENT); -+ break; -+ case POWER_SUPPLY_PROP_TECHNOLOGY: -+ val->intval = POWER_SUPPLY_TECHNOLOGY_LION; -+ break; -+ case POWER_SUPPLY_PROP_CAPACITY: -+ val->intval = GOLDFISH_BATTERY_READ(data, BATTERY_CAPACITY); -+ break; -+ default: -+ ret = -EINVAL; -+ break; -+ } -+ -+ return ret; -+} -+ -+static enum power_supply_property goldfish_battery_props[] = { -+ POWER_SUPPLY_PROP_STATUS, -+ POWER_SUPPLY_PROP_HEALTH, -+ POWER_SUPPLY_PROP_PRESENT, -+ POWER_SUPPLY_PROP_TECHNOLOGY, -+ POWER_SUPPLY_PROP_CAPACITY, -+}; -+ -+static enum power_supply_property goldfish_ac_props[] = { -+ POWER_SUPPLY_PROP_ONLINE, -+}; -+ -+static irqreturn_t goldfish_battery_interrupt(int irq, void *dev_id) -+{ -+ unsigned long irq_flags; -+ struct goldfish_battery_data *data = dev_id; -+ uint32_t status; -+ -+ spin_lock_irqsave(&data->lock, irq_flags); -+ -+ /* read status flags, which will clear the interrupt */ -+ status = GOLDFISH_BATTERY_READ(data, BATTERY_INT_STATUS); -+ status &= BATTERY_INT_MASK; -+ -+ if (status & BATTERY_STATUS_CHANGED) -+ power_supply_changed(&data->battery); -+ if (status & AC_STATUS_CHANGED) -+ power_supply_changed(&data->ac); -+ -+ spin_unlock_irqrestore(&data->lock, irq_flags); -+ return status ? IRQ_HANDLED : IRQ_NONE; -+} -+ -+ -+static int goldfish_battery_probe(struct platform_device *pdev) -+{ -+ int ret; -+ struct resource *r; -+ struct goldfish_battery_data *data; -+ -+ data = kzalloc(sizeof(*data), GFP_KERNEL); -+ if (data == NULL) { -+ ret = -ENOMEM; -+ goto err_data_alloc_failed; -+ } -+ spin_lock_init(&data->lock); -+ -+ data->battery.properties = goldfish_battery_props; -+ data->battery.num_properties = ARRAY_SIZE(goldfish_battery_props); -+ data->battery.get_property = goldfish_battery_get_property; -+ data->battery.name = "battery"; -+ data->battery.type = POWER_SUPPLY_TYPE_BATTERY; -+ -+ data->ac.properties = goldfish_ac_props; -+ data->ac.num_properties = ARRAY_SIZE(goldfish_ac_props); -+ data->ac.get_property = goldfish_ac_get_property; -+ data->ac.name = "ac"; -+ data->ac.type = POWER_SUPPLY_TYPE_MAINS; -+ -+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (r == NULL) { -+ printk(KERN_ERR "%s: platform_get_resource failed\n", pdev->name); -+ ret = -ENODEV; -+ goto err_no_io_base; -+ } -+ data->reg_base = IO_ADDRESS(r->start - IO_START); -+ -+ data->irq = platform_get_irq(pdev, 0); -+ if (data->irq < 0) { -+ printk(KERN_ERR "%s: platform_get_irq failed\n", pdev->name); -+ ret = -ENODEV; -+ goto err_no_irq; -+ } -+ -+ ret = request_irq(data->irq, goldfish_battery_interrupt, IRQF_SHARED, pdev->name, data); -+ if (ret) -+ goto err_request_irq_failed; -+ -+ ret = power_supply_register(&pdev->dev, &data->ac); -+ if (ret) -+ goto err_ac_failed; -+ -+ ret = power_supply_register(&pdev->dev, &data->battery); -+ if (ret) -+ goto err_battery_failed; -+ -+ platform_set_drvdata(pdev, data); -+ battery_data = data; -+ -+ GOLDFISH_BATTERY_WRITE(data, BATTERY_INT_ENABLE, BATTERY_INT_MASK); -+ return 0; -+ -+err_battery_failed: -+ power_supply_unregister(&data->ac); -+err_ac_failed: -+ free_irq(data->irq, data); -+err_request_irq_failed: -+err_no_irq: -+err_no_io_base: -+ kfree(data); -+err_data_alloc_failed: -+ return ret; -+} -+ -+static int goldfish_battery_remove(struct platform_device *pdev) -+{ -+ struct goldfish_battery_data *data = platform_get_drvdata(pdev); -+ -+ power_supply_unregister(&data->battery); -+ power_supply_unregister(&data->ac); -+ -+ free_irq(data->irq, data); -+ kfree(data); -+ battery_data = NULL; -+ return 0; -+} -+ -+static struct platform_driver goldfish_battery_device = { -+ .probe = goldfish_battery_probe, -+ .remove = goldfish_battery_remove, -+ .driver = { -+ .name = "goldfish-battery" -+ } -+}; -+ -+static int __init goldfish_battery_init(void) -+{ -+ return platform_driver_register(&goldfish_battery_device); -+} -+ -+static void __exit goldfish_battery_exit(void) -+{ -+ platform_driver_unregister(&goldfish_battery_device); -+} -+ -+module_init(goldfish_battery_init); -+module_exit(goldfish_battery_exit); -+ -+MODULE_AUTHOR("Mike Lockwood lockwood@android.com"); -+MODULE_LICENSE("GPL"); -+MODULE_DESCRIPTION("Battery driver for the Goldfish emulator"); diff --git a/target/linux/goldfish/patches-2.6.30/0127--ARM-goldfish-RTC-Add-RTC-driver-for-goldfish.patch b/target/linux/goldfish/patches-2.6.30/0127--ARM-goldfish-RTC-Add-RTC-driver-for-goldfish.patch deleted file mode 100644 index bb0c29da27..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0127--ARM-goldfish-RTC-Add-RTC-driver-for-goldfish.patch +++ /dev/null @@ -1,186 +0,0 @@ -From fce981438497199217ed19f14c4d0f1a1aa309f3 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@google.com> -Date: Fri, 29 Jun 2007 21:46:31 -0700 -Subject: [PATCH 127/134] [ARM] goldfish: RTC: Add RTC driver for goldfish. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Gets the current time from the host. -Alarms are not supported yet. - -Signed-off-by: Mike A. Chan <mikechan@google.com> -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - drivers/rtc/Kconfig | 6 ++ - drivers/rtc/Makefile | 1 + - drivers/rtc/rtc-goldfish.c | 138 ++++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 145 insertions(+), 0 deletions(-) - create mode 100644 drivers/rtc/rtc-goldfish.c - ---- a/drivers/rtc/Kconfig -+++ b/drivers/rtc/Kconfig -@@ -691,6 +691,12 @@ config RTC_DRV_BFIN - This driver can also be built as a module. If so, the module - will be called rtc-bfin. - -+config RTC_DRV_GOLDFISH -+ tristate "GOLDFISH" -+ depends on ARCH_GOLDFISH -+ help -+ RTC driver for Goldfish Virtual Platform -+ - config RTC_DRV_RS5C313 - tristate "Ricoh RS5C313" - depends on SH_LANDISK ---- a/drivers/rtc/Makefile -+++ b/drivers/rtc/Makefile -@@ -39,6 +39,7 @@ obj-$(CONFIG_RTC_DRV_DS3234) += rtc-ds32 - obj-$(CONFIG_RTC_DRV_EFI) += rtc-efi.o - obj-$(CONFIG_RTC_DRV_EP93XX) += rtc-ep93xx.o - obj-$(CONFIG_RTC_DRV_FM3130) += rtc-fm3130.o -+obj-$(CONFIG_RTC_DRV_GOLDFISH) += rtc-goldfish.o - obj-$(CONFIG_RTC_DRV_ISL1208) += rtc-isl1208.o - obj-$(CONFIG_RTC_DRV_M41T80) += rtc-m41t80.o - obj-$(CONFIG_RTC_DRV_M41T94) += rtc-m41t94.o ---- /dev/null -+++ b/drivers/rtc/rtc-goldfish.c -@@ -0,0 +1,138 @@ -+/* drivers/rtc/rtc-goldfish.c -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#include <linux/interrupt.h> -+#include <linux/irq.h> -+#include <linux/platform_device.h> -+#include <linux/rtc.h> -+ -+#include <mach/timer.h> -+#include <mach/hardware.h> -+#include <asm/io.h> -+ -+struct goldfish_rtc { -+ uint32_t base; -+ uint32_t irq; -+ struct rtc_device *rtc; -+}; -+ -+static irqreturn_t -+goldfish_rtc_interrupt(int irq, void *dev_id) -+{ -+ struct goldfish_rtc *qrtc = dev_id; -+ unsigned long events = 0; -+ -+ writel(1, qrtc->base + TIMER_CLEAR_INTERRUPT); -+ events = RTC_IRQF | RTC_AF; -+ -+ rtc_update_irq(qrtc->rtc, 1, events); -+ -+ return IRQ_HANDLED; -+} -+ -+static int goldfish_rtc_read_time(struct device *dev, struct rtc_time *tm) -+{ -+ int64_t time; -+ struct goldfish_rtc *qrtc = platform_get_drvdata(to_platform_device(dev)); -+ -+ time = readl(qrtc->base + TIMER_TIME_LOW); -+ time |= (int64_t)readl(qrtc->base + TIMER_TIME_HIGH) << 32; -+ do_div(time, NSEC_PER_SEC); -+ -+ rtc_time_to_tm(time, tm); -+ return 0; -+} -+ -+static struct rtc_class_ops goldfish_rtc_ops = { -+// .ioctl = goldfish_rtc_ioctl, -+ .read_time = goldfish_rtc_read_time, -+// .set_time = goldfish_rtc_set_time, -+// .read_alarm = goldfish_rtc_read_alarm, -+// .set_alarm = goldfish_rtc_set_alarm, -+}; -+ -+ -+static int goldfish_rtc_probe(struct platform_device *pdev) -+{ -+ int ret; -+ struct resource *r; -+ struct goldfish_rtc *qrtc; -+ -+ qrtc = kzalloc(sizeof(*qrtc), GFP_KERNEL); -+ if(qrtc == NULL) { -+ ret = -ENOMEM; -+ goto err_qrtc_alloc_failed; -+ } -+ platform_set_drvdata(pdev, qrtc); -+ -+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if(r == NULL) { -+ ret = -ENODEV; -+ goto err_no_io_base; -+ } -+ qrtc->base = IO_ADDRESS(r->start - IO_START); -+ qrtc->irq = platform_get_irq(pdev, 0); -+ if(qrtc->irq < 0) { -+ ret = -ENODEV; -+ goto err_no_irq; -+ } -+ qrtc->rtc = rtc_device_register(pdev->name, &pdev->dev, -+ &goldfish_rtc_ops, THIS_MODULE); -+ if (IS_ERR(qrtc->rtc)) { -+ ret = PTR_ERR(qrtc->rtc); -+ goto err_rtc_device_register_failed; -+ } -+ -+ ret = request_irq(qrtc->irq, goldfish_rtc_interrupt, 0, pdev->name, qrtc); -+ if(ret) -+ goto request_irq; -+ -+ return 0; -+ -+ free_irq(qrtc->irq, qrtc); -+request_irq: -+ rtc_device_unregister(qrtc->rtc); -+err_rtc_device_register_failed: -+err_no_irq: -+err_no_io_base: -+ kfree(qrtc); -+err_qrtc_alloc_failed: -+ return ret; -+} -+ -+static int goldfish_rtc_remove(struct platform_device *pdev) -+{ -+ struct goldfish_rtc *qrtc = platform_get_drvdata(pdev); -+ free_irq(qrtc->irq, qrtc); -+ rtc_device_unregister(qrtc->rtc); -+ kfree(qrtc); -+ return 0; -+} -+ -+static struct platform_driver goldfish_timer = { -+ .probe = goldfish_rtc_probe, -+ .remove = goldfish_rtc_remove, -+ .driver = { -+ .name = "goldfish_rtc" -+ } -+}; -+ -+static int __init goldfish_rtc_init(void) -+{ -+ return platform_driver_register(&goldfish_timer); -+} -+ -+module_init(goldfish_rtc_init); -+ diff --git a/target/linux/goldfish/patches-2.6.30/0128--ARM-goldfish-fb-Add-fb-driver-for-goldfish.patch b/target/linux/goldfish/patches-2.6.30/0128--ARM-goldfish-fb-Add-fb-driver-for-goldfish.patch deleted file mode 100644 index 48e69daae0..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0128--ARM-goldfish-fb-Add-fb-driver-for-goldfish.patch +++ /dev/null @@ -1,384 +0,0 @@ -From f8101c780fdc050eda9f93c94f8841de9f384b4f Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@google.com> -Date: Fri, 29 Jun 2007 22:14:27 -0700 -Subject: [PATCH 128/134] [ARM] goldfish: fb: Add fb driver for goldfish. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Supports panning for double buffering. - -Signed-off-by: Mike A. Chan <mikechan@google.com> -Signed-off-by: Arve HjønnevÃ¥g <arve@android.com> ---- - drivers/video/Kconfig | 9 ++ - drivers/video/Makefile | 1 + - drivers/video/goldfishfb.c | 334 ++++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 344 insertions(+), 0 deletions(-) - create mode 100644 drivers/video/goldfishfb.c - ---- a/drivers/video/Kconfig -+++ b/drivers/video/Kconfig -@@ -2005,6 +2005,15 @@ config FB_XILINX - framebuffer. ML300 carries a 640*480 LCD display on the board, - ML403 uses a standard DB15 VGA connector. - -+config FB_GOLDFISH -+ tristate "Goldfish Framebuffer" -+ depends on FB -+ select FB_CFB_FILLRECT -+ select FB_CFB_COPYAREA -+ select FB_CFB_IMAGEBLIT -+ ---help--- -+ Framebuffer driver for Goldfish Virtual Platform -+ - config FB_COBALT - tristate "Cobalt server LCD frame buffer support" - depends on FB && MIPS_COBALT ---- a/drivers/video/Makefile -+++ b/drivers/video/Makefile -@@ -92,6 +92,7 @@ obj-$(CONFIG_FB_ATMEL) += atmel_lcdfb - obj-$(CONFIG_FB_PVR2) += pvr2fb.o - obj-$(CONFIG_FB_VOODOO1) += sstfb.o - obj-$(CONFIG_FB_ARMCLCD) += amba-clcd.o -+obj-$(CONFIG_FB_GOLDFISH) += goldfishfb.o - obj-$(CONFIG_FB_68328) += 68328fb.o - obj-$(CONFIG_FB_GBE) += gbefb.o - obj-$(CONFIG_FB_CIRRUS) += cirrusfb.o ---- /dev/null -+++ b/drivers/video/goldfishfb.c -@@ -0,0 +1,334 @@ -+/* drivers/video/goldfishfb.c -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** This program is distributed in the hope that it will be useful, -+** but WITHOUT ANY WARRANTY; without even the implied warranty of -+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+** GNU General Public License for more details. -+** -+*/ -+ -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/dma-mapping.h> -+#include <linux/errno.h> -+#include <linux/string.h> -+#include <linux/slab.h> -+#include <linux/delay.h> -+#include <linux/mm.h> -+#include <linux/fb.h> -+#include <linux/init.h> -+#include <linux/interrupt.h> -+#include <linux/ioport.h> -+#include <linux/platform_device.h> -+#ifdef CONFIG_ANDROID_POWER -+#include <linux/android_power.h> -+#endif -+ -+#include <mach/hardware.h> -+ -+enum { -+ FB_GET_WIDTH = 0x00, -+ FB_GET_HEIGHT = 0x04, -+ FB_INT_STATUS = 0x08, -+ FB_INT_ENABLE = 0x0c, -+ FB_SET_BASE = 0x10, -+ FB_SET_ROTATION = 0x14, -+ FB_SET_BLANK = 0x18, -+ FB_GET_PHYS_WIDTH = 0x1c, -+ FB_GET_PHYS_HEIGHT = 0x20, -+ -+ FB_INT_VSYNC = 1U << 0, -+ FB_INT_BASE_UPDATE_DONE = 1U << 1 -+}; -+ -+struct goldfish_fb { -+ uint32_t reg_base; -+ int irq; -+ spinlock_t lock; -+ wait_queue_head_t wait; -+ int base_update_count; -+ int rotation; -+ struct fb_info fb; -+ u32 cmap[16]; -+#ifdef CONFIG_ANDROID_POWER -+ android_early_suspend_t early_suspend; -+#endif -+}; -+ -+static irqreturn_t -+goldfish_fb_interrupt(int irq, void *dev_id) -+{ -+ unsigned long irq_flags; -+ struct goldfish_fb *fb = dev_id; -+ uint32_t status; -+ -+ spin_lock_irqsave(&fb->lock, irq_flags); -+ status = readl(fb->reg_base + FB_INT_STATUS); -+ if(status & FB_INT_BASE_UPDATE_DONE) { -+ fb->base_update_count++; -+ wake_up(&fb->wait); -+ } -+ spin_unlock_irqrestore(&fb->lock, irq_flags); -+ return status ? IRQ_HANDLED : IRQ_NONE; -+} -+ -+static inline u32 convert_bitfield(int val, struct fb_bitfield *bf) -+{ -+ unsigned int mask = (1 << bf->length) - 1; -+ -+ return (val >> (16 - bf->length) & mask) << bf->offset; -+} -+ -+static int -+goldfish_fb_setcolreg(unsigned int regno, unsigned int red, unsigned int green, -+ unsigned int blue, unsigned int transp, struct fb_info *info) -+{ -+ struct goldfish_fb *fb = container_of(info, struct goldfish_fb, fb); -+ -+ if (regno < 16) { -+ fb->cmap[regno] = convert_bitfield(transp, &fb->fb.var.transp) | -+ convert_bitfield(blue, &fb->fb.var.blue) | -+ convert_bitfield(green, &fb->fb.var.green) | -+ convert_bitfield(red, &fb->fb.var.red); -+ return 0; -+ } -+ else { -+ return 1; -+ } -+} -+ -+static int goldfish_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) -+{ -+ if((var->rotate & 1) != (info->var.rotate & 1)) { -+ if((var->xres != info->var.yres) || -+ (var->yres != info->var.xres) || -+ (var->xres_virtual != info->var.yres) || -+ (var->yres_virtual > info->var.xres * 2) || -+ (var->yres_virtual < info->var.xres )) { -+ return -EINVAL; -+ } -+ } -+ else { -+ if((var->xres != info->var.xres) || -+ (var->yres != info->var.yres) || -+ (var->xres_virtual != info->var.xres) || -+ (var->yres_virtual > info->var.yres * 2) || -+ (var->yres_virtual < info->var.yres )) { -+ return -EINVAL; -+ } -+ } -+ if((var->xoffset != info->var.xoffset) || -+ (var->bits_per_pixel != info->var.bits_per_pixel) || -+ (var->grayscale != info->var.grayscale)) { -+ return -EINVAL; -+ } -+ return 0; -+} -+ -+static int goldfish_fb_set_par(struct fb_info *info) -+{ -+ struct goldfish_fb *fb = container_of(info, struct goldfish_fb, fb); -+ if(fb->rotation != fb->fb.var.rotate) { -+ info->fix.line_length = info->var.xres * 2; -+ fb->rotation = fb->fb.var.rotate; -+ writel(fb->rotation, fb->reg_base + FB_SET_ROTATION); -+ } -+ return 0; -+} -+ -+ -+static int goldfish_fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) -+{ -+ unsigned long irq_flags; -+ int base_update_count; -+ struct goldfish_fb *fb = container_of(info, struct goldfish_fb, fb); -+ -+ spin_lock_irqsave(&fb->lock, irq_flags); -+ base_update_count = fb->base_update_count; -+ writel(fb->fb.fix.smem_start + fb->fb.var.xres * 2 * var->yoffset, fb->reg_base + FB_SET_BASE); -+ spin_unlock_irqrestore(&fb->lock, irq_flags); -+ wait_event_timeout(fb->wait, fb->base_update_count != base_update_count, HZ / 15); -+ if(fb->base_update_count == base_update_count) -+ printk("goldfish_fb_pan_display: timeout wating for base update\n"); -+ return 0; -+} -+ -+#ifdef CONFIG_ANDROID_POWER -+static void goldfish_fb_early_suspend(android_early_suspend_t *h) -+{ -+ struct goldfish_fb *fb = container_of(h, struct goldfish_fb, early_suspend); -+ writel(1, fb->reg_base + FB_SET_BLANK); -+} -+ -+static void goldfish_fb_late_resume(android_early_suspend_t *h) -+{ -+ struct goldfish_fb *fb = container_of(h, struct goldfish_fb, early_suspend); -+ writel(0, fb->reg_base + FB_SET_BLANK); -+} -+#endif -+ -+static struct fb_ops goldfish_fb_ops = { -+ .owner = THIS_MODULE, -+ .fb_check_var = goldfish_fb_check_var, -+ .fb_set_par = goldfish_fb_set_par, -+ .fb_setcolreg = goldfish_fb_setcolreg, -+ .fb_pan_display = goldfish_fb_pan_display, -+ .fb_fillrect = cfb_fillrect, -+ .fb_copyarea = cfb_copyarea, -+ .fb_imageblit = cfb_imageblit, -+}; -+ -+ -+static int goldfish_fb_probe(struct platform_device *pdev) -+{ -+ int ret; -+ struct resource *r; -+ struct goldfish_fb *fb; -+ size_t framesize; -+ uint32_t width, height; -+ dma_addr_t fbpaddr; -+ -+ fb = kzalloc(sizeof(*fb), GFP_KERNEL); -+ if(fb == NULL) { -+ ret = -ENOMEM; -+ goto err_fb_alloc_failed; -+ } -+ spin_lock_init(&fb->lock); -+ init_waitqueue_head(&fb->wait); -+ platform_set_drvdata(pdev, fb); -+ -+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if(r == NULL) { -+ ret = -ENODEV; -+ goto err_no_io_base; -+ } -+ fb->reg_base = IO_ADDRESS(r->start - IO_START); -+ -+ fb->irq = platform_get_irq(pdev, 0); -+ if(fb->irq < 0) { -+ ret = -ENODEV; -+ goto err_no_irq; -+ } -+ -+ width = readl(fb->reg_base + FB_GET_WIDTH); -+ height = readl(fb->reg_base + FB_GET_HEIGHT); -+ -+ fb->fb.fbops = &goldfish_fb_ops; -+ fb->fb.flags = FBINFO_FLAG_DEFAULT; -+ fb->fb.pseudo_palette = fb->cmap; -+ //strncpy(fb->fb.fix.id, clcd_name, sizeof(fb->fb.fix.id)); -+ fb->fb.fix.type = FB_TYPE_PACKED_PIXELS; -+ fb->fb.fix.visual = FB_VISUAL_TRUECOLOR; -+ fb->fb.fix.line_length = width * 2; -+ fb->fb.fix.accel = FB_ACCEL_NONE; -+ fb->fb.fix.ypanstep = 1; -+ -+ fb->fb.var.xres = width; -+ fb->fb.var.yres = height; -+ fb->fb.var.xres_virtual = width; -+ fb->fb.var.yres_virtual = height * 2; -+ fb->fb.var.bits_per_pixel = 16; -+ fb->fb.var.activate = FB_ACTIVATE_NOW; -+ fb->fb.var.height = readl(fb->reg_base + FB_GET_PHYS_HEIGHT); -+ fb->fb.var.width = readl(fb->reg_base + FB_GET_PHYS_WIDTH); -+ -+ fb->fb.var.red.offset = 11; -+ fb->fb.var.red.length = 5; -+ fb->fb.var.green.offset = 5; -+ fb->fb.var.green.length = 6; -+ fb->fb.var.blue.offset = 0; -+ fb->fb.var.blue.length = 5; -+ -+ framesize = width * height * 2 * 2; -+ fb->fb.screen_base = dma_alloc_writecombine(&pdev->dev, framesize, -+ &fbpaddr, GFP_KERNEL); -+ printk("allocating frame buffer %d * %d, got %p\n", width, height, fb->fb.screen_base); -+ if(fb->fb.screen_base == 0) { -+ ret = -ENOMEM; -+ goto err_alloc_screen_base_failed; -+ } -+ fb->fb.fix.smem_start = fbpaddr; -+ fb->fb.fix.smem_len = framesize; -+ -+ ret = fb_set_var(&fb->fb, &fb->fb.var); -+ if(ret) -+ goto err_fb_set_var_failed; -+ -+ ret = request_irq(fb->irq, goldfish_fb_interrupt, IRQF_SHARED, pdev->name, fb); -+ if(ret) -+ goto err_request_irq_failed; -+ -+ writel(FB_INT_BASE_UPDATE_DONE, fb->reg_base + FB_INT_ENABLE); -+ goldfish_fb_pan_display(&fb->fb.var, &fb->fb); // updates base -+ -+ ret = register_framebuffer(&fb->fb); -+ if(ret) -+ goto err_register_framebuffer_failed; -+ -+#ifdef CONFIG_ANDROID_POWER -+ fb->early_suspend.suspend = goldfish_fb_early_suspend; -+ fb->early_suspend.resume = goldfish_fb_late_resume; -+ android_register_early_suspend(&fb->early_suspend); -+#endif -+ -+ return 0; -+ -+ -+err_register_framebuffer_failed: -+ free_irq(fb->irq, fb); -+err_request_irq_failed: -+err_fb_set_var_failed: -+ dma_free_writecombine(&pdev->dev, framesize, fb->fb.screen_base, fb->fb.fix.smem_start); -+err_alloc_screen_base_failed: -+err_no_irq: -+err_no_io_base: -+ kfree(fb); -+err_fb_alloc_failed: -+ return ret; -+} -+ -+static int goldfish_fb_remove(struct platform_device *pdev) -+{ -+ size_t framesize; -+ struct goldfish_fb *fb = platform_get_drvdata(pdev); -+ -+ framesize = fb->fb.var.xres_virtual * fb->fb.var.yres_virtual * 2; -+ -+#ifdef CONFIG_ANDROID_POWER -+ android_unregister_early_suspend(&fb->early_suspend); -+#endif -+ unregister_framebuffer(&fb->fb); -+ free_irq(fb->irq, fb); -+ dma_free_writecombine(&pdev->dev, framesize, fb->fb.screen_base, fb->fb.fix.smem_start); -+ kfree(fb); -+ return 0; -+} -+ -+ -+static struct platform_driver goldfish_fb_driver = { -+ .probe = goldfish_fb_probe, -+ .remove = goldfish_fb_remove, -+ .driver = { -+ .name = "goldfish_fb" -+ } -+}; -+ -+static int __init goldfish_fb_init(void) -+{ -+ return platform_driver_register(&goldfish_fb_driver); -+} -+ -+static void __exit goldfish_fb_exit(void) -+{ -+ platform_driver_unregister(&goldfish_fb_driver); -+} -+ -+module_init(goldfish_fb_init); -+module_exit(goldfish_fb_exit); -+ diff --git a/target/linux/goldfish/patches-2.6.30/0129--ARM-goldfish-qemutrace-Kernel-instrumentation-fo.patch b/target/linux/goldfish/patches-2.6.30/0129--ARM-goldfish-qemutrace-Kernel-instrumentation-fo.patch deleted file mode 100644 index b31ca03cf0..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0129--ARM-goldfish-qemutrace-Kernel-instrumentation-fo.patch +++ /dev/null @@ -1,854 +0,0 @@ -From fcd69dd4537320a25a294c82362cc7abe4fe773c Mon Sep 17 00:00:00 2001 -From: Ye Wen <ywen@google.com> -Date: Fri, 14 Jul 2006 14:51:45 +0700 -Subject: [PATCH 129/134] [ARM] goldfish: qemutrace: Kernel instrumentation for tracing the events. - -Like fork, context switch, execve and exit. -This code is to complement Jack's tracing facility. - -To turn tracing on: -echo 1 > /sysfs/qemu_trace/state -To turn tracing off: echo 0 > /sysfs/qemu_trace/state -I also added java methods to Debug.java to turn tracing on and off. -The kernel driver also supports adding dynamic symbols to the trace. -To add a symbol 'foo' with hex address 'abcd1234' to the trace: -echo 'abcd1234 foo' > /sysfs/qemu_trace/symbol - -Signed-off-by: Mike Chan <mike@android.com> - -[ARM] goldfish: qemutrace: Improved support for tracing thread and process names. - -Added a new pseudo file /sys/qemu_trace/process_name to allow user -programs to add a trace record for a process name change. Removed -the tracing of thread and process names from the exit() system call -because that was not sufficiently general. Added tracing of thread -names in set_task_comm() and daemonize(). Added tracing of the -thread group id to fork() and clone(). - -Signed-off-by: Jack Veenstra <veenstra@google.com> -Signed-off-by: Mike Chan <mike@android.com> ---- - arch/arm/kernel/entry-armv.S | 5 + - drivers/misc/Kconfig | 5 + - drivers/misc/Makefile | 1 + - drivers/misc/qemutrace/Makefile | 2 + - drivers/misc/qemutrace/qemu_trace.c | 386 +++++++++++++++++++++++++++++ - drivers/misc/qemutrace/qemu_trace.h | 22 ++ - drivers/misc/qemutrace/qemu_trace_sysfs.c | 182 ++++++++++++++ - fs/exec.c | 14 + - kernel/exit.c | 14 + - kernel/fork.c | 8 + - kernel/sched.c | 9 + - mm/mmap.c | 13 + - 12 files changed, 661 insertions(+), 0 deletions(-) - create mode 100644 drivers/misc/qemutrace/Makefile - create mode 100644 drivers/misc/qemutrace/qemu_trace.c - create mode 100644 drivers/misc/qemutrace/qemu_trace.h - create mode 100644 drivers/misc/qemutrace/qemu_trace_sysfs.c - ---- a/arch/arm/kernel/entry-armv.S -+++ b/arch/arm/kernel/entry-armv.S -@@ -733,6 +733,11 @@ ENTRY(__switch_to) - ldr r0, =thread_notify_head - mov r1, #THREAD_NOTIFY_SWITCH - bl atomic_notifier_call_chain -+#ifdef CONFIG_QEMU_TRACE -+/* -+ mcr p15, 0, r0, c15, c0, 0 @ signal context switch -+*/ -+#endif - mov r0, r5 - ldmia r4, {r4 - sl, fp, sp, pc} @ Load all regs saved previously - UNWIND(.fnend ) ---- a/drivers/misc/Kconfig -+++ b/drivers/misc/Kconfig -@@ -233,6 +233,11 @@ config ISL29003 - This driver can also be built as a module. If so, the module - will be called isl29003. - -+config QEMU_TRACE -+ tristate "Virtual Device for QEMU tracing" -+ ---help--- -+ This is a virtual device for QEMU tracing. -+ - source "drivers/misc/c2port/Kconfig" - source "drivers/misc/eeprom/Kconfig" - ---- a/drivers/misc/Makefile -+++ b/drivers/misc/Makefile -@@ -20,4 +20,5 @@ obj-$(CONFIG_SGI_GRU) += sgi-gru/ - obj-$(CONFIG_HP_ILO) += hpilo.o - obj-$(CONFIG_ISL29003) += isl29003.o - obj-$(CONFIG_C2PORT) += c2port/ -+obj-$(CONFIG_QEMU_TRACE) += qemutrace/ - obj-y += eeprom/ ---- /dev/null -+++ b/drivers/misc/qemutrace/Makefile -@@ -0,0 +1,2 @@ -+obj-$(CONFIG_QEMU_TRACE) := qemu_trace.o -+obj-$(CONFIG_QEMU_TRACE) += qemu_trace_sysfs.o ---- /dev/null -+++ b/drivers/misc/qemutrace/qemu_trace.c -@@ -0,0 +1,386 @@ -+/* drivers/misc/qemutrace/qemu_trace.c -+ * -+ * Copyright (C) 2007-2008 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/spinlock.h> -+#include <linux/miscdevice.h> -+#include <linux/pci.h> -+#include <linux/proc_fs.h> -+#include <linux/platform_device.h> -+#include <linux/mm.h> -+#include <linux/sched.h> -+#include <asm/uaccess.h> -+#include <asm/io.h> -+#include <asm/sizes.h> -+#include "qemu_trace.h" -+ -+/* trace device registers */ -+#define TRACE_DEV_REG_SWITCH 0 -+#define TRACE_DEV_REG_FORK 1 -+#define TRACE_DEV_REG_EXECVE_PID 2 -+#define TRACE_DEV_REG_EXECVE_VMSTART 3 -+#define TRACE_DEV_REG_EXECVE_VMEND 4 -+#define TRACE_DEV_REG_EXECVE_OFFSET 5 -+#define TRACE_DEV_REG_EXECVE_EXEPATH 6 -+#define TRACE_DEV_REG_EXIT 7 -+#define TRACE_DEV_REG_CMDLINE 8 -+#define TRACE_DEV_REG_CMDLINE_LEN 9 -+#define TRACE_DEV_REG_MMAP_EXEPATH 10 -+#define TRACE_DEV_REG_INIT_PID 11 -+#define TRACE_DEV_REG_INIT_NAME 12 -+#define TRACE_DEV_REG_CLONE 13 -+#define TRACE_DEV_REG_UNMAP_START 14 -+#define TRACE_DEV_REG_UNMAP_END 15 -+#define TRACE_DEV_REG_NAME 16 -+#define TRACE_DEV_REG_TGID 17 -+#define TRACE_DEV_REG_DYN_SYM 50 -+#define TRACE_DEV_REG_DYN_SYM_ADDR 51 -+#define TRACE_DEV_REG_REMOVE_ADDR 52 -+#define TRACE_DEV_REG_ENABLE 100 -+ -+static unsigned char __iomem *qt_base; -+static int init_called; -+ -+/* PIDs that start before our device registered */ -+#define MAX_INIT_PIDS 2048 -+static int tb_next = 0; -+static int init_pids[MAX_INIT_PIDS]; -+static DEFINE_SPINLOCK(qemu_trace_lock); -+ -+void qemu_trace_start(void) -+{ -+ unsigned long irq_flags; -+ -+ if (qt_base == NULL) -+ return; -+ spin_lock_irqsave(&qemu_trace_lock, irq_flags); -+ writel(1, qt_base + (TRACE_DEV_REG_ENABLE << 2)); -+ spin_unlock_irqrestore(&qemu_trace_lock, irq_flags); -+} -+ -+void qemu_trace_stop(void) -+{ -+ unsigned long irq_flags; -+ -+ if (qt_base == NULL) -+ return; -+ spin_lock_irqsave(&qemu_trace_lock, irq_flags); -+ writel(0, qt_base + (TRACE_DEV_REG_ENABLE << 2)); -+ spin_unlock_irqrestore(&qemu_trace_lock, irq_flags); -+} -+ -+int qemu_trace_get_tracing(void) -+{ -+ int val = 0; -+ if (qt_base != NULL) -+ val = readl(qt_base + (TRACE_DEV_REG_ENABLE << 2)); -+ return val; -+} -+ -+void qemu_trace_add_mapping(unsigned int addr, const char *symbol) -+{ -+ unsigned long irq_flags; -+ -+ if (qt_base == NULL) -+ return; -+ -+ /* Write the address first, then the symbol name. */ -+ spin_lock_irqsave(&qemu_trace_lock, irq_flags); -+ writel(addr, qt_base + (TRACE_DEV_REG_DYN_SYM_ADDR << 2)); -+ writel(symbol, qt_base + (TRACE_DEV_REG_DYN_SYM << 2)); -+ spin_unlock_irqrestore(&qemu_trace_lock, irq_flags); -+} -+ -+void qemu_trace_remove_mapping(unsigned int addr) -+{ -+ unsigned long irq_flags; -+ -+ if (qt_base == NULL) -+ return; -+ -+ spin_lock_irqsave(&qemu_trace_lock, irq_flags); -+ writel(addr, qt_base + (TRACE_DEV_REG_REMOVE_ADDR << 2)); -+ spin_unlock_irqrestore(&qemu_trace_lock, irq_flags); -+} -+ -+/* trace the context switch */ -+void qemu_trace_cs(struct task_struct *next) -+{ -+ unsigned long irq_flags; -+ -+ if (qt_base == NULL) -+ return; -+ -+ spin_lock_irqsave(&qemu_trace_lock, irq_flags); -+ writel(task_pid_nr(next), qt_base); -+ spin_unlock_irqrestore(&qemu_trace_lock, irq_flags); -+} -+EXPORT_SYMBOL(qemu_trace_cs); -+ -+/* trace the execve */ -+void qemu_trace_execve(int argc, char __user * __user *argv) -+{ -+ unsigned long irq_flags; -+ char page[PAGE_SIZE]; -+ char *ptr = page; -+ -+ if (qt_base == NULL) -+ return; -+ -+ while (argc-- > 0) { -+ char __user *str; -+ int len; -+ if (get_user(str, argv ++)) -+ return; -+ len = strnlen_user(str, PAGE_SIZE); -+ if (len == 0) -+ return; -+ if (copy_from_user(ptr, str, len)) -+ return; -+ ptr += len; -+ } -+ -+ if (ptr > page) { -+ int len = ptr - page; -+ spin_lock_irqsave(&qemu_trace_lock, irq_flags); -+ writel(len, qt_base + (TRACE_DEV_REG_CMDLINE_LEN << 2)); -+ writel(page, qt_base + (TRACE_DEV_REG_CMDLINE << 2)); -+ spin_unlock_irqrestore(&qemu_trace_lock, irq_flags); -+ } -+} -+EXPORT_SYMBOL(qemu_trace_execve); -+ -+/* trace the mmap */ -+void qemu_trace_mmap(struct vm_area_struct *vma) -+{ -+ unsigned long irq_flags; -+ char page[PAGE_SIZE]; -+ char *p; -+ -+ if (qt_base == NULL) -+ return; -+ -+ if (vma->vm_file == NULL) -+ return; -+ -+ p = d_path(&vma->vm_file->f_path, page, PAGE_SIZE); -+ if (IS_ERR(p)) -+ return; -+ -+ spin_lock_irqsave(&qemu_trace_lock, irq_flags); -+ writel(vma->vm_start, qt_base + (TRACE_DEV_REG_EXECVE_VMSTART << 2)); -+ writel(vma->vm_end, qt_base + (TRACE_DEV_REG_EXECVE_VMEND << 2)); -+ writel(vma->vm_pgoff * PAGE_SIZE, qt_base + (TRACE_DEV_REG_EXECVE_OFFSET << 2)); -+ writel(p, qt_base + (TRACE_DEV_REG_MMAP_EXEPATH << 2)); -+ spin_unlock_irqrestore(&qemu_trace_lock, irq_flags); -+} -+EXPORT_SYMBOL(qemu_trace_mmap); -+ -+/* trace the munmap */ -+void qemu_trace_munmap(unsigned long start, unsigned long end) -+{ -+ unsigned long irq_flags; -+ -+ if (qt_base == NULL) -+ return; -+ -+ spin_lock_irqsave(&qemu_trace_lock, irq_flags); -+ writel(start, qt_base + (TRACE_DEV_REG_UNMAP_START << 2)); -+ writel(end, qt_base + (TRACE_DEV_REG_UNMAP_END << 2)); -+ spin_unlock_irqrestore(&qemu_trace_lock, irq_flags); -+} -+EXPORT_SYMBOL(qemu_trace_munmap); -+ -+/* trace the fork */ -+void qemu_trace_fork(struct task_struct *forked, unsigned long clone_flags) -+{ -+ unsigned long irq_flags; -+ -+ spin_lock_irqsave(&qemu_trace_lock, irq_flags); -+ if (qt_base == NULL) { -+ if (tb_next >= MAX_INIT_PIDS) { -+ if (!init_called) -+ printk(KERN_ERR -+ "QEMU Trace: too many PIDs before " -+ "device registered ignoring %d\n", -+ forked->pid); -+ } else { -+ init_pids[tb_next] = task_pid_nr(forked); -+ tb_next++; -+ } -+ } else { -+ writel(task_tgid_nr(forked), qt_base + (TRACE_DEV_REG_TGID << 2)); -+ if (clone_flags & CLONE_VM) -+ writel(task_pid_nr(forked), qt_base + (TRACE_DEV_REG_CLONE << 2)); -+ else -+ writel(task_pid_nr(forked), qt_base + (TRACE_DEV_REG_FORK << 2)); -+ } -+ spin_unlock_irqrestore(&qemu_trace_lock, irq_flags); -+} -+EXPORT_SYMBOL(qemu_trace_fork); -+ -+/* trace the exit */ -+void qemu_trace_exit(int code) -+{ -+ unsigned long irq_flags; -+ -+ if (qt_base == NULL) -+ return; -+ -+ spin_lock_irqsave(&qemu_trace_lock, irq_flags); -+ writel(code, qt_base + (TRACE_DEV_REG_EXIT << 2)); -+ spin_unlock_irqrestore(&qemu_trace_lock, irq_flags); -+} -+EXPORT_SYMBOL(qemu_trace_exit); -+ -+/* trace the thread name */ -+void qemu_trace_thread_name(const char *name) -+{ -+ unsigned long irq_flags; -+ -+ if (qt_base == NULL) -+ return; -+ -+ spin_lock_irqsave(&qemu_trace_lock, irq_flags); -+ writel(name, qt_base + (TRACE_DEV_REG_NAME << 2)); -+ spin_unlock_irqrestore(&qemu_trace_lock, irq_flags); -+} -+EXPORT_SYMBOL(qemu_trace_thread_name); -+ -+/* trace the process name */ -+void qemu_trace_process_name(const char *name) -+{ -+ unsigned long irq_flags; -+ -+ if (qt_base == NULL) -+ return; -+ -+ spin_lock_irqsave(&qemu_trace_lock, irq_flags); -+ writel(name, qt_base + (TRACE_DEV_REG_NAME << 2)); -+ spin_unlock_irqrestore(&qemu_trace_lock, irq_flags); -+} -+EXPORT_SYMBOL(qemu_trace_process_name); -+ -+static void qemu_trace_pid_exec(struct task_struct *tsk) -+{ -+ unsigned long irq_flags; -+ char page[PAGE_SIZE]; -+ struct mm_struct *mm = get_task_mm(tsk); -+ if (mm == NULL) -+ return; -+ down_read(&mm->mmap_sem); -+ { -+ struct vm_area_struct *vma = mm->mmap; -+ while (vma) { -+ if ((vma->vm_flags & VM_EXEC) && vma->vm_file) { -+ char *p; -+ p = d_path(&vma->vm_file->f_path, page, PAGE_SIZE); -+ if (!IS_ERR(p)) { -+ spin_lock_irqsave(&qemu_trace_lock, irq_flags); -+ writel(vma->vm_start, qt_base + (TRACE_DEV_REG_EXECVE_VMSTART << 2)); -+ writel(vma->vm_end, qt_base + (TRACE_DEV_REG_EXECVE_VMEND << 2)); -+ writel(vma->vm_pgoff * PAGE_SIZE, qt_base + (TRACE_DEV_REG_EXECVE_OFFSET << 2)); -+ writel(p, qt_base + (TRACE_DEV_REG_EXECVE_EXEPATH << 2)); -+ spin_unlock_irqrestore(&qemu_trace_lock, irq_flags); -+ } -+ } -+ vma = vma->vm_next; -+ } -+ } -+ up_read(&mm->mmap_sem); -+ mmput(mm); -+} -+ -+static void qemu_trace_dump_init_threads(void) -+{ -+ unsigned long irq_flags; -+ int i; -+ -+ for (i = 0; i < tb_next; i++) { -+ struct task_struct *tsk; -+ struct pid *pid = find_get_pid(init_pids[i]); -+ if (pid == NULL) -+ continue; -+ -+ if ((tsk = get_pid_task(pid, PIDTYPE_PID)) != NULL) { -+ /* first give the pid and name */ -+ task_lock(tsk); -+ spin_lock_irqsave(&qemu_trace_lock, irq_flags); -+ writel(task_tgid_nr(tsk), qt_base + (TRACE_DEV_REG_TGID << 2)); -+ writel(task_pid_nr(tsk), qt_base + (TRACE_DEV_REG_INIT_PID << 2)); -+ writel(tsk->comm, qt_base + (TRACE_DEV_REG_INIT_NAME << 2)); -+ spin_unlock_irqrestore(&qemu_trace_lock, irq_flags); -+ task_unlock(tsk); -+ /* check if the task has execs */ -+ qemu_trace_pid_exec(tsk); -+ } -+ } -+} -+ -+static int qemu_trace_probe(struct platform_device *pdev) -+{ -+ struct resource *r; -+ -+ /* not thread safe, but this should not happen */ -+ if (qt_base != NULL) { -+ printk(KERN_ERR "QEMU TRACE Device: already mapped at %p\n", qt_base); -+ return -ENODEV; -+ } -+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (r == NULL) -+ return -EINVAL; -+ qt_base = ioremap(r->start, PAGE_SIZE); -+ printk(KERN_INFO "QEMU TRACE Device: The mapped IO base is %p\n", qt_base); -+ -+ qemu_trace_dump_init_threads(); -+ -+ return 0; -+} -+ -+static int qemu_trace_remove(struct platform_device *pdev) -+{ -+ iounmap(qt_base); -+ qt_base = NULL; -+ return 0; -+} -+ -+static struct platform_driver qemu_trace = { -+ .probe = qemu_trace_probe, -+ .remove = qemu_trace_remove, -+ .driver = { -+ .name = "qemu_trace" -+ } -+}; -+ -+static int __init qemu_trace_dev_init(void) -+{ -+ int ret; -+ ret = platform_driver_register(&qemu_trace); -+ init_called = 1; -+ return ret; -+} -+ -+static void qemu_trace_dev_exit(void) -+{ -+ platform_driver_unregister(&qemu_trace); -+} -+ -+ -+module_init(qemu_trace_dev_init); -+module_exit(qemu_trace_dev_exit); -+ -+MODULE_AUTHOR("Ye Wen <ywen@google.com>"); -+MODULE_LICENSE("GPL"); ---- /dev/null -+++ b/drivers/misc/qemutrace/qemu_trace.h -@@ -0,0 +1,22 @@ -+/* drivers/misc/qemutrace/qemu_trace.h -+ * -+ * Copyright (C) 2007-2008 Google, Inc. -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+void qemu_trace_start(void); -+void qemu_trace_stop(void); -+int qemu_trace_get_tracing(void); -+void qemu_trace_add_mapping(unsigned int addr, const char *symbol); -+void qemu_trace_remove_mapping(unsigned int addr); -+void qemu_trace_process_name(const char *name); ---- /dev/null -+++ b/drivers/misc/qemutrace/qemu_trace_sysfs.c -@@ -0,0 +1,182 @@ -+/* drivers/misc/qemu_sysfs.c -+ * -+ * Copyright (C) 2007-2008 Google, Inc. -+ * Author: Jack Veenstra -+ * -+ * This software is licensed under the terms of the GNU General Public -+ * License version 2, as published by the Free Software Foundation, and -+ * may be copied, distributed, and modified under those terms. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ */ -+ -+#include <linux/list.h> -+#include <linux/module.h> -+#include <linux/miscdevice.h> -+#include <linux/sysdev.h> -+#include <linux/fs.h> -+#include <linux/poll.h> -+#include <linux/interrupt.h> -+#include <linux/delay.h> -+#include <linux/clk.h> -+#include <linux/wait.h> -+#include "qemu_trace.h" -+ -+MODULE_DESCRIPTION("Qemu Trace Driver"); -+MODULE_LICENSE("GPL"); -+MODULE_VERSION("1.0"); -+ -+static struct kobject *qemu_trace_kobj; -+ -+static ssize_t state_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf) -+{ -+ int val = qemu_trace_get_tracing(); -+ buf[0] = '0' + val; -+ buf[1] = '\n'; -+ return 2; -+} -+ -+static ssize_t state_store(struct kobject *kobj, struct kobj_attribute *attr, const char * buf, size_t n) -+{ -+ if (n <= 0) -+ return -EINVAL; -+ if (buf[0] == '0') -+ qemu_trace_stop(); -+ else if (buf[0] == '1') -+ qemu_trace_start(); -+ else -+ return -EINVAL; -+ return n; -+} -+ -+static ssize_t symbol_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf) -+{ -+ return 0; -+} -+ -+// We are expecting a string of the form "addr symbol" where 'addr' is a hex address -+// (without the leading '0x') and symbol is a newline-terminated string. This symbol -+// with its corresponding address will be added to the trace file. -+// -+// To remove the mapping for (addr, symbol) in the trace file, write just the -+// address. As before, the address is in hex without the leading '0x'. It can -+// be newline-terminated or zero-terminated. -+static ssize_t symbol_store(struct kobject *kobj, struct kobj_attribute *attr, const char * buf, size_t n) -+{ -+ const char *cp; -+ unsigned int addr = 0; -+ int len; -+ char *sym; -+ -+ if (n <= 0 || buf == NULL) -+ return -EINVAL; -+ for (cp = buf; *cp != ' '; ++cp) { -+ unsigned int digit; -+ -+ if (*cp >= '0' && *cp <= '9') -+ digit = *cp - '0'; -+ else if (*cp >= 'a' && *cp <= 'f') -+ digit = *cp - 'a' + 10; -+ else if (*cp == 0 || *cp == '\n') { -+ qemu_trace_remove_mapping(addr); -+ return n; -+ } else -+ return -EINVAL; -+ addr = (addr << 4) + digit; -+ } -+ // Move past the space -+ cp += 1; -+ -+ // Copy the string to a new buffer so that we can replace the newline -+ // with '\0'. -+ len = strlen(cp); -+ sym = kzalloc(len + 1, GFP_KERNEL); -+ strcpy(sym, cp); -+ if (sym[len - 1] == '\n') -+ sym[len - 1] = 0; -+ -+ qemu_trace_add_mapping(addr, sym); -+ kfree(sym); -+ return n; -+} -+ -+static ssize_t process_name_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) -+{ -+ return 0; -+} -+ -+/* This expects a string that is the process name. If the string contains -+ * a trailing newline, that is removed in the emulator tracing code because -+ * it is simpler to do it there. -+ */ -+static ssize_t process_name_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t n) -+{ -+ if (n <= 0 || buf == NULL) -+ return -EINVAL; -+ -+ qemu_trace_process_name(buf); -+ return n; -+} -+ -+ -+#define qemu_trace_attr(_name) \ -+static struct kobj_attribute _name##_attr = { \ -+ .attr = { \ -+ .name = __stringify(_name), \ -+ .mode = 0666, \ -+ }, \ -+ .show = _name##_show, \ -+ .store = _name##_store, \ -+} -+ -+qemu_trace_attr(state); -+qemu_trace_attr(symbol); -+qemu_trace_attr(process_name); -+ -+static struct attribute * qemu_trace_attrs[] = { -+ &state_attr.attr, -+ &symbol_attr.attr, -+ &process_name_attr.attr, -+ NULL, -+}; -+ -+static struct attribute_group qemu_trace_attr_group = { -+ .attrs = qemu_trace_attrs, -+}; -+ -+static int __init qemu_trace_init(void) -+{ -+ int ret; -+ -+ qemu_trace_kobj = kobject_create_and_add("qemu_trace", NULL); -+ if (qemu_trace_kobj == NULL) { -+ printk("qemu_trace_init: kobject_create_and_add failed\n"); -+ ret = -ENOMEM; -+ return ret; -+ } -+ ret = sysfs_create_group(qemu_trace_kobj, &qemu_trace_attr_group); -+ if (ret) { -+ printk("qemu_trace_init: sysfs_create_group failed\n"); -+ goto err; -+ } -+ -+ return 0; -+ -+err: -+ kobject_del(qemu_trace_kobj); -+ qemu_trace_kobj = NULL; -+ return ret; -+} -+ -+static void __exit qemu_trace_exit(void) -+{ -+ sysfs_remove_group(qemu_trace_kobj, &qemu_trace_attr_group); -+ kobject_del(qemu_trace_kobj); -+} -+ -+core_initcall(qemu_trace_init); -+module_exit(qemu_trace_exit); ---- a/fs/exec.c -+++ b/fs/exec.c -@@ -59,6 +59,9 @@ - #include <asm/mmu_context.h> - #include <asm/tlb.h> - #include "internal.h" -+#ifdef CONFIG_QEMU_TRACE -+ void qemu_trace_thread_name(char *name); -+#endif - - int core_uses_pid; - char core_pattern[CORENAME_MAX_SIZE] = "core"; -@@ -922,6 +925,9 @@ void set_task_comm(struct task_struct *t - task_lock(tsk); - strlcpy(tsk->comm, buf, sizeof(tsk->comm)); - task_unlock(tsk); -+#ifdef CONFIG_QEMU_TRACE -+ qemu_trace_thread_name(buf); -+#endif - } - - int flush_old_exec(struct linux_binprm * bprm) -@@ -1245,6 +1251,10 @@ void free_bprm(struct linux_binprm *bprm - kfree(bprm); - } - -+#ifdef CONFIG_QEMU_TRACE -+extern void qemu_trace_execve(int argc, char __user * __user * argv); -+#endif -+ - /* - * sys_execve() executes a new program. - */ -@@ -1324,6 +1334,10 @@ int do_execve(char * filename, - goto out; - - current->flags &= ~PF_KTHREAD; -+#ifdef CONFIG_QEMU_TRACE -+ qemu_trace_execve(bprm->argc, argv); -+#endif -+ - retval = search_binary_handler(bprm,regs); - if (retval < 0) - goto out; ---- a/kernel/exit.c -+++ b/kernel/exit.c -@@ -60,6 +60,11 @@ DEFINE_TRACE(sched_process_free); - DEFINE_TRACE(sched_process_exit); - DEFINE_TRACE(sched_process_wait); - -+#ifdef CONFIG_QEMU_TRACE -+void qemu_trace_thread_name(char *name); -+void qemu_trace_exit(int code); -+#endif -+ - static void exit_mm(struct task_struct * tsk); - - static void __unhash_process(struct task_struct *p) -@@ -426,6 +431,9 @@ void daemonize(const char *name, ...) - va_start(args, name); - vsnprintf(current->comm, sizeof(current->comm), name, args); - va_end(args); -+#ifdef CONFIG_QEMU_TRACE -+ qemu_trace_thread_name(current->comm); -+#endif - - /* - * If we were started as result of loading a module, close all of the -@@ -1012,6 +1020,12 @@ NORET_TYPE void do_exit(long code) - preempt_disable(); - /* causes final put_task_struct in finish_task_switch(). */ - tsk->state = TASK_DEAD; -+ -+#ifdef CONFIG_QEMU_TRACE -+ /* Emit a trace record for the exit() call. */ -+ qemu_trace_exit(code); -+#endif -+ - schedule(); - BUG(); - /* Avoid "noreturn function does return". */ ---- a/kernel/fork.c -+++ b/kernel/fork.c -@@ -1323,6 +1323,10 @@ struct task_struct * __cpuinit fork_idle - return task; - } - -+#ifdef CONFIG_QEMU_TRACE -+extern void qemu_trace_fork(struct task_struct *forked, unsigned long clone_flags); -+#endif -+ - /* - * Ok, this is the main fork-routine. - * -@@ -1424,6 +1428,10 @@ long do_fork(unsigned long clone_flags, - tracehook_report_clone_complete(trace, regs, - clone_flags, nr, p); - -+#ifdef CONFIG_QEMU_TRACE -+ qemu_trace_fork(p, clone_flags); -+#endif -+ - if (clone_flags & CLONE_VFORK) { - freezer_do_not_count(); - wait_for_completion(&vfork); ---- a/kernel/sched.c -+++ b/kernel/sched.c -@@ -2748,6 +2748,10 @@ asmlinkage void schedule_tail(struct tas - put_user(task_pid_vnr(current), current->set_child_tid); - } - -+#ifdef CONFIG_QEMU_TRACE -+void qemu_trace_cs(struct task_struct *next); -+#endif -+ - /* - * context_switch - switch to the new MM and the new - * thread's register state. -@@ -2790,6 +2794,11 @@ context_switch(struct rq *rq, struct tas - spin_release(&rq->lock.dep_map, 1, _THIS_IP_); - #endif - -+#ifdef CONFIG_QEMU_TRACE -+ /* Emit a trace record for the context switch. */ -+ qemu_trace_cs(next); -+#endif -+ - /* Here we just switch the register state and the stack. */ - switch_to(prev, next, prev); - ---- a/mm/mmap.c -+++ b/mm/mmap.c -@@ -906,6 +906,11 @@ void vm_stat_account(struct mm_struct *m - } - #endif /* CONFIG_PROC_FS */ - -+#ifdef CONFIG_QEMU_TRACE -+extern void qemu_trace_mmap(struct vm_area_struct * vma); -+extern void qemu_trace_munmap(unsigned long start, unsigned long end); -+#endif -+ - /* - * The caller must hold down_write(current->mm->mmap_sem). - */ -@@ -1212,6 +1217,10 @@ munmap_back: - pgoff = vma->vm_pgoff; - vm_flags = vma->vm_flags; - -+#ifdef CONFIG_QEMU_TRACE -+ qemu_trace_mmap(vma); -+#endif -+ - if (vma_wants_writenotify(vma)) - vma->vm_page_prot = vm_get_page_prot(vm_flags & ~VM_SHARED); - -@@ -1938,6 +1947,10 @@ int do_munmap(struct mm_struct *mm, unsi - * Remove the vma's, and unmap the actual pages - */ - detach_vmas_to_be_unmapped(mm, vma, prev, end); -+ -+#ifdef CONFIG_QEMU_TRACE -+ qemu_trace_munmap(start, end); -+#endif - unmap_region(mm, vma, prev, start, end); - - /* Fix up all other VM information */ diff --git a/target/linux/goldfish/patches-2.6.30/0133--ARM-goldfish-qemutrace-Add-mmap-support.patch b/target/linux/goldfish/patches-2.6.30/0133--ARM-goldfish-qemutrace-Add-mmap-support.patch deleted file mode 100644 index 44554a6176..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0133--ARM-goldfish-qemutrace-Add-mmap-support.patch +++ /dev/null @@ -1,84 +0,0 @@ -From 2309613958ee518f94f1a7ba900e08e604e06048 Mon Sep 17 00:00:00 2001 -From: Jack Veenstra <veenstra@android.com> -Date: Fri, 1 May 2009 18:50:10 -0700 -Subject: [PATCH 133/134] [ARM] goldfish: qemutrace: Add mmap support. - -This makes a page of data available for writing from user-space to allow -the Dalvik interpreter to send method trace information to the emulator. - -Signed-off-by: Jack Veenstra <veenstra@android.com> ---- - drivers/misc/qemutrace/qemu_trace.c | 35 ++++++++++++++++++++++++++++++++++- - 1 files changed, 34 insertions(+), 1 deletions(-) - ---- a/drivers/misc/qemutrace/qemu_trace.c -+++ b/drivers/misc/qemutrace/qemu_trace.c -@@ -53,6 +53,7 @@ - - static unsigned char __iomem *qt_base; - static int init_called; -+static uint32_t qemu_trace_paddr; - - /* PIDs that start before our device registered */ - #define MAX_INIT_PIDS 2048 -@@ -330,8 +331,30 @@ static void qemu_trace_dump_init_threads - } - } - -+static int qemu_trace_mmap_fop(struct file *file, struct vm_area_struct *vma) -+{ -+ int ret = io_remap_pfn_range(vma, vma->vm_start, -+ (qemu_trace_paddr >> PAGE_SHIFT) + 1, -+ PAGE_SIZE, vma->vm_page_prot); -+ if (ret < 0) -+ return ret; -+ return 0; -+} -+ -+static const struct file_operations qemu_trace_fops = { -+ .owner = THIS_MODULE, -+ .mmap = qemu_trace_mmap_fop, -+}; -+ -+static struct miscdevice qemu_trace_device = { -+ .minor = MISC_DYNAMIC_MINOR, -+ .name = "qemu_trace", -+ .fops = &qemu_trace_fops, -+}; -+ - static int qemu_trace_probe(struct platform_device *pdev) - { -+ int err; - struct resource *r; - - /* not thread safe, but this should not happen */ -@@ -340,18 +363,28 @@ static int qemu_trace_probe(struct platf - return -ENODEV; - } - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); -- if (r == NULL) -+ if (r == NULL || r->end - r->start < 2 * PAGE_SIZE - 1) - return -EINVAL; -+ qemu_trace_paddr = r->start; - qt_base = ioremap(r->start, PAGE_SIZE); - printk(KERN_INFO "QEMU TRACE Device: The mapped IO base is %p\n", qt_base); - - qemu_trace_dump_init_threads(); -+ err = misc_register(&qemu_trace_device); -+ if (err) -+ goto err_misc_register; - - return 0; -+ -+err_misc_register: -+ iounmap(qt_base); -+ qt_base = NULL; -+ return err; - } - - static int qemu_trace_remove(struct platform_device *pdev) - { -+ misc_deregister(&qemu_trace_device); - iounmap(qt_base); - qt_base = NULL; - return 0; diff --git a/target/linux/goldfish/patches-2.6.30/1000-nand_driver_fixes.patch b/target/linux/goldfish/patches-2.6.30/1000-nand_driver_fixes.patch deleted file mode 100644 index 0cd366ce90..0000000000 --- a/target/linux/goldfish/patches-2.6.30/1000-nand_driver_fixes.patch +++ /dev/null @@ -1,94 +0,0 @@ ---- a/drivers/mtd/devices/goldfish_nand.c -+++ b/drivers/mtd/devices/goldfish_nand.c -@@ -65,7 +65,7 @@ static int goldfish_nand_erase(struct mt - if(rem) - goto invalid_arg; - ofs *= (mtd->writesize + mtd->oobsize); -- -+ - if(len % mtd->writesize) - goto invalid_arg; - len = len / mtd->writesize * (mtd->writesize + mtd->oobsize); -@@ -94,15 +94,12 @@ static int goldfish_nand_read_oob(struct - - if(ofs + ops->len > mtd->size) - goto invalid_arg; -- if(ops->datbuf && ops->len && ops->len != mtd->writesize) -- goto invalid_arg; - if(ops->ooblen + ops->ooboffs > mtd->oobsize) - goto invalid_arg; - - rem = do_div(ofs, mtd->writesize); -- if(rem) -- goto invalid_arg; - ofs *= (mtd->writesize + mtd->oobsize); -+ ofs += rem; - - if(ops->datbuf) - ops->retlen = goldfish_nand_cmd(mtd, NAND_CMD_READ, ofs, -@@ -131,7 +128,7 @@ static int goldfish_nand_write_oob(struc - goto invalid_arg; - if(ops->ooblen + ops->ooboffs > mtd->oobsize) - goto invalid_arg; -- -+ - rem = do_div(ofs, mtd->writesize); - if(rem) - goto invalid_arg; -@@ -160,15 +157,24 @@ static int goldfish_nand_read(struct mtd - - if(from + len > mtd->size) - goto invalid_arg; -- if(len != mtd->writesize) -- goto invalid_arg; -+ -+ *retlen = 0; - - rem = do_div(from, mtd->writesize); -- if(rem) -- goto invalid_arg; - from *= (mtd->writesize + mtd->oobsize); -+ from += rem; - -- *retlen = goldfish_nand_cmd(mtd, NAND_CMD_READ, from, len, buf); -+ do { -+ *retlen += goldfish_nand_cmd(mtd, NAND_CMD_READ, from, min(len, mtd->writesize - rem), buf); -+ if (len > mtd->writesize - rem) { -+ len -= mtd->writesize - rem; -+ buf += mtd->writesize - rem; -+ from += mtd->writesize + mtd->oobsize - rem; -+ rem = 0; -+ } else { -+ len = 0; -+ } -+ } while (len); - return 0; - - invalid_arg: -@@ -184,15 +190,23 @@ static int goldfish_nand_write(struct mt - - if(to + len > mtd->size) - goto invalid_arg; -- if(len != mtd->writesize) -- goto invalid_arg; - - rem = do_div(to, mtd->writesize); - if(rem) - goto invalid_arg; - to *= (mtd->writesize + mtd->oobsize); - -- *retlen = goldfish_nand_cmd(mtd, NAND_CMD_WRITE, to, len, (void *)buf); -+ *retlen = 0; -+ do { -+ *retlen += goldfish_nand_cmd(mtd, NAND_CMD_WRITE, to, min(len, mtd->writesize), (void *)buf); -+ if (len > mtd->writesize) { -+ len -= mtd->writesize; -+ buf += mtd->writesize; -+ to += mtd->writesize + mtd->oobsize; -+ } else { -+ len = 0; -+ } -+ } while (len); - return 0; - - invalid_arg: |