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-rw-r--r--target/linux/ixp4xx/patches-2.6.23/030-ixp4xx_fsg_board_support.patch801
1 files changed, 801 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.23/030-ixp4xx_fsg_board_support.patch b/target/linux/ixp4xx/patches-2.6.23/030-ixp4xx_fsg_board_support.patch
new file mode 100644
index 0000000000..a5997f8c34
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.23/030-ixp4xx_fsg_board_support.patch
@@ -0,0 +1,801 @@
+Index: linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/fsg-pci.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/fsg-pci.c 2008-01-09 12:49:07.000000000 +1030
+@@ -0,0 +1,71 @@
++/*
++ * arch/arch/mach-ixp4xx/fsg-pci.c
++ *
++ * FSG board-level PCI initialization
++ *
++ * Author: Rod Whitby <rod@whitby.id.au>
++ * Maintainer: http://www.nslu2-linux.org/
++ *
++ * based on ixdp425-pci.c:
++ * Copyright (C) 2002 Intel Corporation.
++ * Copyright (C) 2003-2004 MontaVista Software, Inc.
++ *
++ * 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/pci.h>
++#include <linux/init.h>
++#include <linux/irq.h>
++
++#include <asm/mach/pci.h>
++#include <asm/mach-types.h>
++
++void __init fsg_pci_preinit(void)
++{
++ set_irq_type(IRQ_FSG_PCI_INTA, IRQT_LOW);
++ set_irq_type(IRQ_FSG_PCI_INTB, IRQT_LOW);
++ set_irq_type(IRQ_FSG_PCI_INTC, IRQT_LOW);
++
++ ixp4xx_pci_preinit();
++}
++
++static int __init fsg_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
++{
++ static int pci_irq_table[FSG_PCI_IRQ_LINES] = {
++ IRQ_FSG_PCI_INTC,
++ IRQ_FSG_PCI_INTB,
++ IRQ_FSG_PCI_INTA,
++ };
++
++ int irq = -1;
++ slot = slot - 11;
++
++ if (slot >= 1 && slot <= FSG_PCI_MAX_DEV &&
++ pin >= 1 && pin <= FSG_PCI_IRQ_LINES) {
++ irq = pci_irq_table[(slot - 1)];
++ }
++ printk("%s: Mapped slot %d pin %d to IRQ %d\n", __FUNCTION__,slot, pin, irq);
++
++ return irq;
++}
++
++struct hw_pci fsg_pci __initdata = {
++ .nr_controllers = 1,
++ .preinit = fsg_pci_preinit,
++ .swizzle = pci_std_swizzle,
++ .setup = ixp4xx_setup,
++ .scan = ixp4xx_scan_bus,
++ .map_irq = fsg_map_irq,
++};
++
++int __init fsg_pci_init(void)
++{
++ if (machine_is_fsg())
++ pci_common_init(&fsg_pci);
++ return 0;
++}
++
++subsys_initcall(fsg_pci_init);
+Index: linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/fsg-setup.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/fsg-setup.c 2008-01-09 12:49:07.000000000 +1030
+@@ -0,0 +1,220 @@
++/*
++ * arch/arm/mach-ixp4xx/fsg-setup.c
++ *
++ * FSG board-setup
++ *
++ * based ixdp425-setup.c:
++ * Copyright (C) 2003-2004 MontaVista Software, Inc.
++ *
++ * Author: Rod Whitby <rod@whitby.id.au>
++ * Maintainers: http://www.nslu2-linux.org/
++ *
++ */
++
++#include <linux/kernel.h>
++#include <linux/serial.h>
++#include <linux/serial_8250.h>
++#include <linux/leds.h>
++#include <linux/reboot.h>
++#include <linux/i2c-gpio.h>
++
++#include <asm/mach-types.h>
++#include <asm/mach/arch.h>
++#include <asm/mach/flash.h>
++#include <asm/io.h>
++
++static struct flash_platform_data fsg_flash_data = {
++ .map_name = "cfi_probe",
++ .width = 2,
++};
++
++static struct resource fsg_flash_resource = {
++ .flags = IORESOURCE_MEM,
++};
++
++static struct platform_device fsg_flash = {
++ .name = "IXP4XX-Flash",
++ .id = 0,
++ .dev.platform_data = &fsg_flash_data,
++ .num_resources = 1,
++ .resource = &fsg_flash_resource,
++};
++
++static struct i2c_gpio_platform_data fsg_i2c_gpio_data = {
++ .sda_pin = FSG_SDA_PIN,
++ .scl_pin = FSG_SCL_PIN,
++};
++
++static struct platform_device fsg_i2c_gpio = {
++ .name = "i2c-gpio",
++ .id = 0,
++ .dev = {
++ .platform_data = &fsg_i2c_gpio_data,
++ },
++};
++
++static struct resource fsg_uart_resources[] = {
++ {
++ .start = IXP4XX_UART1_BASE_PHYS,
++ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
++ .flags = IORESOURCE_MEM,
++ },
++ {
++ .start = IXP4XX_UART2_BASE_PHYS,
++ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
++ .flags = IORESOURCE_MEM,
++ }
++};
++
++static struct plat_serial8250_port fsg_uart_data[] = {
++ {
++ .mapbase = IXP4XX_UART1_BASE_PHYS,
++ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
++ .irq = IRQ_IXP4XX_UART1,
++ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
++ .iotype = UPIO_MEM,
++ .regshift = 2,
++ .uartclk = IXP4XX_UART_XTAL,
++ },
++ {
++ .mapbase = IXP4XX_UART2_BASE_PHYS,
++ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
++ .irq = IRQ_IXP4XX_UART2,
++ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
++ .iotype = UPIO_MEM,
++ .regshift = 2,
++ .uartclk = IXP4XX_UART_XTAL,
++ },
++ { }
++};
++
++static struct platform_device fsg_uart = {
++ .name = "serial8250",
++ .id = PLAT8250_DEV_PLATFORM,
++ .dev.platform_data = fsg_uart_data,
++ .num_resources = ARRAY_SIZE(fsg_uart_resources),
++ .resource = fsg_uart_resources,
++};
++
++static struct platform_device fsg_leds = {
++ .name = "fsg-led",
++ .id = -1,
++};
++
++/* Built-in 10/100 Ethernet MAC interfaces */
++static struct eth_plat_info fsg_plat_eth[] = {
++ {
++ .phy = 5,
++ .rxq = 3,
++ .txreadyq = 20,
++ }, {
++ .phy = 4,
++ .rxq = 4,
++ .txreadyq = 21,
++ }
++};
++
++static struct platform_device fsg_eth[] = {
++ {
++ .name = "ixp4xx_eth",
++ .id = IXP4XX_ETH_NPEB,
++ .dev.platform_data = fsg_plat_eth,
++ }, {
++ .name = "ixp4xx_eth",
++ .id = IXP4XX_ETH_NPEC,
++ .dev.platform_data = fsg_plat_eth + 1,
++ }
++};
++
++static struct platform_device *fsg_devices[] __initdata = {
++ &fsg_i2c_gpio,
++ &fsg_flash,
++ &fsg_leds,
++ &fsg_eth[0],
++ &fsg_eth[1],
++};
++
++static void fsg_power_off(void)
++{
++ printk("Restarting system.\n");
++ machine_restart(NULL);
++}
++
++static void __init fsg_init(void)
++{
++ uint8_t __iomem *f;
++ int i;
++
++ ixp4xx_sys_init();
++
++ pm_power_off = fsg_power_off;
++
++ fsg_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
++ fsg_flash_resource.end =
++ IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
++
++ *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
++ *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
++
++ /* Configure CS2 for operation, 8bit and writable */
++ *IXP4XX_EXP_CS2 = 0xbfff0002;
++
++ /* This is only useful on a modified machine, but it is valuable
++ * to have it first in order to see debug messages, and so that
++ * it does *not* get removed if platform_add_devices fails!
++ */
++ (void)platform_device_register(&fsg_uart);
++
++ platform_add_devices(fsg_devices, ARRAY_SIZE(fsg_devices));
++
++
++ /*
++ * Map in a portion of the flash and read the MAC addresses.
++ * Since it is stored in BE in the flash itself, we need to
++ * byteswap it if we're in LE mode.
++ */
++ if ((f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x400000))) {
++#ifdef __ARMEB__
++ for (i = 0; i < 6; i++) {
++ fsg_plat_eth[0].hwaddr[i] = readb(f + 0x3C0422 + i);
++ fsg_plat_eth[1].hwaddr[i] = readb(f + 0x3C043B + i);
++ }
++#else
++ fsg_plat_eth[0].hwaddr[0] = readb(f + 0x3C0422 + 3);
++ fsg_plat_eth[0].hwaddr[1] = readb(f + 0x3C0422 + 2);
++ fsg_plat_eth[0].hwaddr[2] = readb(f + 0x3C0422 + 1);
++ fsg_plat_eth[0].hwaddr[3] = readb(f + 0x3C0422 + 0);
++ fsg_plat_eth[0].hwaddr[4] = readb(f + 0x3C0422 + 7);
++ fsg_plat_eth[0].hwaddr[5] = readb(f + 0x3C0422 + 6);
++
++ fsg_plat_eth[1].hwaddr[0] = readb(f + 0x3C0422 + 3);
++ fsg_plat_eth[1].hwaddr[1] = readb(f + 0x3C0422 + 2);
++ fsg_plat_eth[1].hwaddr[2] = readb(f + 0x3C0422 + 1);
++ fsg_plat_eth[1].hwaddr[3] = readb(f + 0x3C0422 + 0);
++ fsg_plat_eth[1].hwaddr[4] = readb(f + 0x3C0422 + 7);
++ fsg_plat_eth[1].hwaddr[5] = readb(f + 0x3C0422 + 6);
++#endif
++ iounmap(f);
++ }
++ printk(KERN_INFO "FSG: Using MAC address %.2x:%.2x:%.2x:%.2x:%.2x:%.2x for port 0\n",
++ fsg_plat_eth[0].hwaddr[0], fsg_plat_eth[0].hwaddr[1],
++ fsg_plat_eth[0].hwaddr[2], fsg_plat_eth[0].hwaddr[3],
++ fsg_plat_eth[0].hwaddr[4], fsg_plat_eth[0].hwaddr[5]);
++ printk(KERN_INFO "FSG: Using MAC address %.2x:%.2x:%.2x:%.2x:%.2x:%.2x for port 1\n",
++ fsg_plat_eth[1].hwaddr[0], fsg_plat_eth[1].hwaddr[1],
++ fsg_plat_eth[1].hwaddr[2], fsg_plat_eth[1].hwaddr[3],
++ fsg_plat_eth[1].hwaddr[4], fsg_plat_eth[1].hwaddr[5]);
++
++}
++
++MACHINE_START(FSG, "Freecom FSG-3")
++ /* Maintainer: www.nslu2-linux.org */
++ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
++ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
++ .map_io = ixp4xx_map_io,
++ .init_irq = ixp4xx_init_irq,
++ .timer = &ixp4xx_timer,
++ .boot_params = 0x0100,
++ .init_machine = fsg_init,
++MACHINE_END
++
+Index: linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/Kconfig
+===================================================================
+--- linux-2.6.23.12-armeb.orig/arch/arm/mach-ixp4xx/Kconfig 2008-01-09 12:49:04.000000000 +1030
++++ linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/Kconfig 2008-01-11 13:24:01.000000000 +1030
+@@ -125,6 +125,15 @@
+ depends on ARCH_IXDP425 || MACH_IXDP465 || MACH_KIXRP435
+ default y
+
++config MACH_FSG
++ bool
++ prompt "Freecom FSG-3"
++ select PCI
++ help
++ Say 'Y' here if you want your kernel to support Freecom's
++ FSG-3 device. For more information on this platform,
++ see http://www.nslu2-linux.org/wiki/FSG3/HomePage
++
+ #
+ # Certain registers and IRQs are only enabled if supporting IXP465 CPUs
+ #
+Index: linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/Makefile
+===================================================================
+--- linux-2.6.23.12-armeb.orig/arch/arm/mach-ixp4xx/Makefile 2008-01-09 12:49:04.000000000 +1030
++++ linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/Makefile 2008-01-09 12:49:07.000000000 +1030
+@@ -15,6 +15,7 @@
+ obj-pci-$(CONFIG_MACH_DSMG600) += dsmg600-pci.o
+ obj-pci-$(CONFIG_MACH_GATEWAY7001) += gateway7001-pci.o
+ obj-pci-$(CONFIG_MACH_WG302V2) += wg302v2-pci.o
++obj-pci-$(CONFIG_MACH_FSG) += fsg-pci.o
+
+ obj-y += common.o
+
+@@ -28,6 +29,7 @@
+ obj-$(CONFIG_MACH_DSMG600) += dsmg600-setup.o dsmg600-power.o
+ obj-$(CONFIG_MACH_GATEWAY7001) += gateway7001-setup.o
+ obj-$(CONFIG_MACH_WG302V2) += wg302v2-setup.o
++obj-$(CONFIG_MACH_FSG) += fsg-setup.o fsg-power.o
+
+ obj-$(CONFIG_PCI) += $(obj-pci-$(CONFIG_PCI)) common-pci.o
+ obj-$(CONFIG_IXP4XX_QMGR) += ixp4xx_qmgr.o
+Index: linux-2.6.23.12-armeb/include/asm-arm/arch-ixp4xx/fsg.h
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.23.12-armeb/include/asm-arm/arch-ixp4xx/fsg.h 2008-01-11 13:29:42.000000000 +1030
+@@ -0,0 +1,58 @@
++/*
++ * include/asm-arm/arch-ixp4xx/fsg.h
++ *
++ * Freecom FSG-3 platform specific definitions
++ *
++ * Author: Rod Whitby <rod@whitby.id.au>
++ * Author: Tomasz Chmielewski <mangoo@wpkg.org>
++ * Maintainers: http://www.nslu2-linux.org
++ *
++ * Based on coyote.h by
++ * Copyright 2004 (c) MontaVista, Software, Inc.
++ *
++ * This file is licensed under the terms of the GNU General Public
++ * License version 2. This program is licensed "as is" without any
++ * warranty of any kind, whether express or implied.
++ */
++
++#ifndef __ASM_ARCH_HARDWARE_H__
++#error "Do not include this directly, instead #include <asm/hardware.h>"
++#endif
++
++#define FSG_SDA_PIN 12
++#define FSG_SCL_PIN 13
++
++/*
++ * FSG PCI IRQs
++ */
++#define FSG_PCI_MAX_DEV 3
++#define FSG_PCI_IRQ_LINES 3
++
++
++/* PCI controller GPIO to IRQ pin mappings */
++#define FSG_PCI_INTA_PIN 6
++#define FSG_PCI_INTB_PIN 7
++#define FSG_PCI_INTC_PIN 5
++
++/* Buttons */
++
++#define FSG_SB_GPIO 4
++#define FSG_RB_GPIO 9
++#define FSG_UB_GPIO 10
++
++#define FSG_SB_IRQ IRQ_IXP4XX_GPIO4
++#define FSG_RB_IRQ IRQ_IXP4XX_GPIO9
++#define FSG_UB_IRQ IRQ_IXP4XX_GPIO10
++
++#define FSG_SB_BM (1L << FSG_SB_GPIO)
++#define FSG_RB_BM (1L << FSG_RB_GPIO)
++#define FSG_UB_BM (1L << FSG_UB_GPIO)
++
++/* LEDs */
++
++#define FSG_LED_WLAN_BIT 0
++#define FSG_LED_WAN_BIT 1
++#define FSG_LED_SATA_BIT 2
++#define FSG_LED_USB_BIT 4
++#define FSG_LED_RING_BIT 5
++#define FSG_LED_SYNC_BIT 7
+Index: linux-2.6.23.12-armeb/include/asm-arm/arch-ixp4xx/hardware.h
+===================================================================
+--- linux-2.6.23.12-armeb.orig/include/asm-arm/arch-ixp4xx/hardware.h 2008-01-09 12:49:04.000000000 +1030
++++ linux-2.6.23.12-armeb/include/asm-arm/arch-ixp4xx/hardware.h 2008-01-09 12:49:07.000000000 +1030
+@@ -45,5 +45,6 @@
+ #include "nslu2.h"
+ #include "nas100d.h"
+ #include "dsmg600.h"
++#include "fsg.h"
+
+ #endif /* _ASM_ARCH_HARDWARE_H */
+Index: linux-2.6.23.12-armeb/include/asm-arm/arch-ixp4xx/irqs.h
+===================================================================
+--- linux-2.6.23.12-armeb.orig/include/asm-arm/arch-ixp4xx/irqs.h 2008-01-09 12:49:04.000000000 +1030
++++ linux-2.6.23.12-armeb/include/asm-arm/arch-ixp4xx/irqs.h 2008-01-11 13:30:09.000000000 +1030
+@@ -128,4 +128,11 @@
+ #define IRQ_DSMG600_PCI_INTE IRQ_IXP4XX_GPIO7
+ #define IRQ_DSMG600_PCI_INTF IRQ_IXP4XX_GPIO6
+
++/*
++ * Freecom FSG-3 Board IRQs
++ */
++#define IRQ_FSG_PCI_INTA IRQ_IXP4XX_GPIO6
++#define IRQ_FSG_PCI_INTB IRQ_IXP4XX_GPIO7
++#define IRQ_FSG_PCI_INTC IRQ_IXP4XX_GPIO5
++
+ #endif
+Index: linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/fsg-power.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.23.12-armeb/arch/arm/mach-ixp4xx/fsg-power.c 2008-01-11 12:47:50.000000000 +1030
+@@ -0,0 +1,88 @@
++/*
++ * arch/arm/mach-ixp4xx/fsg-power.c
++ *
++ * FSG Power/Reset driver
++ *
++ * Copyright (C) 2008 Rod Whitby <rod@whitby.id.au>
++ *
++ * based on nslu2-power.c
++ * Copyright (C) 2005 Tower Technologies
++ *
++ * 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/reboot.h>
++#include <linux/interrupt.h>
++#include <linux/irq.h>
++#include <linux/jiffies.h>
++#include <linux/timer.h>
++
++#include <asm/mach-types.h>
++
++static irqreturn_t fsg_power_handler(int irq, void *dev_id)
++{
++ /* Signal init to do the ctrlaltdel action, this will bypass init if
++ * it hasn't started and do a kernel_restart.
++ */
++ ctrl_alt_del();
++
++ return IRQ_HANDLED;
++}
++
++static irqreturn_t fsg_reset_handler(int irq, void *dev_id)
++{
++ /* This is the paper-clip reset, it shuts the machine down directly.
++ */
++ machine_power_off();
++
++ return IRQ_HANDLED;
++}
++
++static int __init fsg_power_init(void)
++{
++ if (!(machine_is_fsg()))
++ return 0;
++
++ set_irq_type(FSG_RB_IRQ, IRQT_LOW);
++ set_irq_type(FSG_SB_IRQ, IRQT_LOW);
++
++ if (request_irq(FSG_RB_IRQ, &fsg_reset_handler,
++ IRQF_DISABLED, "FSG reset button", NULL) < 0) {
++
++ printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
++ FSG_RB_IRQ);
++
++ return -EIO;
++ }
++
++ if (request_irq(FSG_SB_IRQ, &fsg_power_handler,
++ IRQF_DISABLED, "FSG power button", NULL) < 0) {
++
++ printk(KERN_DEBUG "Power Button IRQ %d not available\n",
++ FSG_SB_IRQ);
++
++ return -EIO;
++ }
++
++ return 0;
++}
++
++static void __exit fsg_power_exit(void)
++{
++ if (!(machine_is_fsg()))
++ return;
++
++ free_irq(FSG_SB_IRQ, NULL);
++ free_irq(FSG_RB_IRQ, NULL);
++}
++
++module_init(fsg_power_init);
++module_exit(fsg_power_exit);
++
++MODULE_AUTHOR("Rod Whitby <rod@whitby.id.au>");
++MODULE_DESCRIPTION("FSG Power/Reset driver");
++MODULE_LICENSE("GPL");
+Index: linux-2.6.23.12-armeb/drivers/leds/Kconfig
+===================================================================
+--- linux-2.6.23.12-armeb.orig/drivers/leds/Kconfig 2008-01-11 13:30:47.000000000 +1030
++++ linux-2.6.23.12-armeb/drivers/leds/Kconfig 2008-01-11 13:34:34.000000000 +1030
+@@ -48,6 +48,12 @@
+ particular board must have LEDs and they must be connected
+ to the GPIO lines. If unsure, say Y.
+
++config LEDS_FSG
++ tristate "LED Support for the Freecom FSG-3"
++ depends on LEDS_CLASS && MACH_FSG
++ help
++ This option enables support for the LEDs on the Freecom FSG-3.
++
+ config LEDS_TOSA
+ tristate "LED Support for the Sharp SL-6000 series"
+ depends on LEDS_CLASS && PXA_SHARPSL
+Index: linux-2.6.23.12-armeb/drivers/leds/Makefile
+===================================================================
+--- linux-2.6.23.12-armeb.orig/drivers/leds/Makefile 2008-01-11 13:30:50.000000000 +1030
++++ linux-2.6.23.12-armeb/drivers/leds/Makefile 2008-01-11 13:34:34.000000000 +1030
+@@ -9,6 +9,7 @@
+ obj-$(CONFIG_LEDS_LOCOMO) += leds-locomo.o
+ obj-$(CONFIG_LEDS_SPITZ) += leds-spitz.o
+ obj-$(CONFIG_LEDS_IXP4XX) += leds-ixp4xx-gpio.o
++obj-$(CONFIG_LEDS_FSG) += leds-fsg.o
+ obj-$(CONFIG_LEDS_TOSA) += leds-tosa.o
+ obj-$(CONFIG_LEDS_S3C24XX) += leds-s3c24xx.o
+ obj-$(CONFIG_LEDS_AMS_DELTA) += leds-ams-delta.o
+Index: linux-2.6.23.12-armeb/drivers/leds/leds-fsg.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.23.12-armeb/drivers/leds/leds-fsg.c 2008-01-11 13:34:34.000000000 +1030
+@@ -0,0 +1,243 @@
++/*
++ * LED Driver for the Freecom FSG-3
++ *
++ * Copyright (c) 2008 Rod Whitby <rod@whitby.id.au>
++ *
++ * Author: Rod Whitby <rod@whitby.id.au>
++ *
++ * Based on leds-spitz.c
++ * Copyright 2005-2006 Openedhand Ltd.
++ * Author: Richard Purdie <rpurdie@openedhand.com>
++ *
++ * 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/kernel.h>
++#include <linux/init.h>
++#include <linux/platform_device.h>
++#include <linux/leds.h>
++#include <asm/arch/hardware.h>
++#include <asm/io.h>
++
++static short __iomem *latch_address;
++static unsigned short latch_value;
++
++
++static void fsg_led_wlan_set(struct led_classdev *led_cdev, enum led_brightness value)
++{
++ if (value) {
++ latch_value &= ~(1 << FSG_LED_WLAN_BIT);
++ *latch_address = latch_value;
++ }
++ else {
++ latch_value |= (1 << FSG_LED_WLAN_BIT);
++ *latch_address = latch_value;
++ }
++}
++
++static void fsg_led_wan_set(struct led_classdev *led_cdev, enum led_brightness value)
++{
++ if (value) {
++ latch_value &= ~(1 << FSG_LED_WAN_BIT);
++ *latch_address = latch_value;
++ }
++ else {
++ latch_value |= (1 << FSG_LED_WAN_BIT);
++ *latch_address = latch_value;
++ }
++}
++
++static void fsg_led_sata_set(struct led_classdev *led_cdev, enum led_brightness value)
++{
++ if (value) {
++ latch_value &= ~(1 << FSG_LED_SATA_BIT);
++ *latch_address = latch_value;
++ }
++ else {
++ latch_value |= (1 << FSG_LED_SATA_BIT);
++ *latch_address = latch_value;
++ }
++}
++
++static void fsg_led_usb_set(struct led_classdev *led_cdev, enum led_brightness value)
++{
++ if (value) {
++ latch_value &= ~(1 << FSG_LED_USB_BIT);
++ *latch_address = latch_value;
++ }
++ else {
++ latch_value |= (1 << FSG_LED_USB_BIT);
++ *latch_address = latch_value;
++ }
++}
++
++static void fsg_led_sync_set(struct led_classdev *led_cdev, enum led_brightness value)
++{
++ if (value) {
++ latch_value &= ~(1 << FSG_LED_SYNC_BIT);
++ *latch_address = latch_value;
++ }
++ else {
++ latch_value |= (1 << FSG_LED_SYNC_BIT);
++ *latch_address = latch_value;
++ }
++}
++
++static void fsg_led_ring_set(struct led_classdev *led_cdev, enum led_brightness value)
++{
++ if (value) {
++ latch_value &= ~(1 << FSG_LED_RING_BIT);
++ *latch_address = latch_value;
++ }
++ else {
++ latch_value |= (1 << FSG_LED_RING_BIT);
++ *latch_address = latch_value;
++ }
++}
++
++
++
++static struct led_classdev fsg_wlan_led = {
++ .name = "fsg:wlan",
++ .brightness_set = fsg_led_wlan_set,
++};
++
++static struct led_classdev fsg_wan_led = {
++ .name = "fsg:wan",
++ .brightness_set = fsg_led_wan_set,
++};
++
++static struct led_classdev fsg_sata_led = {
++ .name = "fsg:sata",
++ .brightness_set = fsg_led_sata_set,
++};
++
++static struct led_classdev fsg_usb_led = {
++ .name = "fsg:usb",
++ .brightness_set = fsg_led_usb_set,
++};
++
++static struct led_classdev fsg_sync_led = {
++ .name = "fsg:sync",
++ .brightness_set = fsg_led_sync_set,
++};
++
++static struct led_classdev fsg_ring_led = {
++ .name = "fsg:ring",
++ .brightness_set = fsg_led_ring_set,
++};
++
++
++
++#ifdef CONFIG_PM
++static int fsg_led_suspend(struct platform_device *dev, pm_message_t state)
++{
++ led_classdev_suspend(&fsg_wlan_led);
++ led_classdev_suspend(&fsg_wan_led);
++ led_classdev_suspend(&fsg_sata_led);
++ led_classdev_suspend(&fsg_usb_led);
++ led_classdev_suspend(&fsg_sync_led);
++ led_classdev_suspend(&fsg_ring_led);
++ return 0;
++}
++
++static int fsg_led_resume(struct platform_device *dev)
++{
++ led_classdev_resume(&fsg_wlan_led);
++ led_classdev_resume(&fsg_wan_led);
++ led_classdev_resume(&fsg_sata_led);
++ led_classdev_resume(&fsg_usb_led);
++ led_classdev_resume(&fsg_sync_led);
++ led_classdev_resume(&fsg_ring_led);
++ return 0;
++}
++#endif
++
++
++static int fsg_led_probe(struct platform_device *pdev)
++{
++ int ret;
++
++ /* FIXME: Need to work out how to handle failure below */
++
++ ret = led_classdev_register(&pdev->dev, &fsg_wlan_led);
++ if (ret < 0)
++ return ret;
++
++ ret = led_classdev_register(&pdev->dev, &fsg_wan_led);
++ if (ret < 0)
++ return ret;
++
++ ret = led_classdev_register(&pdev->dev, &fsg_sata_led);
++ if (ret < 0)
++ return ret;
++
++ ret = led_classdev_register(&pdev->dev, &fsg_usb_led);
++ if (ret < 0)
++ return ret;
++
++ ret = led_classdev_register(&pdev->dev, &fsg_sync_led);
++ if (ret < 0)
++ return ret;
++
++ ret = led_classdev_register(&pdev->dev, &fsg_ring_led);
++ if (ret < 0)
++ return ret;
++
++ return ret;
++}
++
++static int fsg_led_remove(struct platform_device *pdev)
++{
++ led_classdev_unregister(&fsg_wlan_led);
++ led_classdev_unregister(&fsg_wan_led);
++ led_classdev_unregister(&fsg_sata_led);
++ led_classdev_unregister(&fsg_usb_led);
++ led_classdev_unregister(&fsg_sync_led);
++ led_classdev_unregister(&fsg_ring_led);
++
++ return 0;
++}
++
++
++static struct platform_driver fsg_led_driver = {
++ .probe = fsg_led_probe,
++ .remove = fsg_led_remove,
++#ifdef CONFIG_PM
++ .suspend = fsg_led_suspend,
++ .resume = fsg_led_resume,
++#endif
++ .driver = {
++ .name = "fsg-led",
++ },
++};
++
++
++static int __init fsg_led_init(void)
++{
++ /* Map the LED chip select address space */
++ latch_address = (unsigned short *) ioremap(IXP4XX_EXP_BUS_BASE(2), 512);
++ if (!latch_address)
++ return -ENOMEM;
++ latch_value = 0xffff;
++ *latch_address = latch_value;
++ /* FIXME: We leak memory if the next line fails */
++ return platform_driver_register(&fsg_led_driver);
++}
++
++static void __exit fsg_led_exit(void)
++{
++ platform_driver_unregister(&fsg_led_driver);
++ iounmap(latch_address);
++}
++
++
++module_init(fsg_led_init);
++module_exit(fsg_led_exit);
++
++MODULE_AUTHOR("Rod Whitby <rod@whitby.id.au>");
++MODULE_DESCRIPTION("Freecom FSG-3 LED driver");
++MODULE_LICENSE("GPL");
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