diff options
Diffstat (limited to 'target/linux/ixp4xx/patches-2.6.25/301-avila_led.patch')
| -rw-r--r-- | target/linux/ixp4xx/patches-2.6.25/301-avila_led.patch | 324 |
1 files changed, 288 insertions, 36 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.25/301-avila_led.patch b/target/linux/ixp4xx/patches-2.6.25/301-avila_led.patch index b7e4940163..aba62841f5 100644 --- a/target/linux/ixp4xx/patches-2.6.25/301-avila_led.patch +++ b/target/linux/ixp4xx/patches-2.6.25/301-avila_led.patch @@ -1,19 +1,6 @@ -Index: linux-2.6.25.4/include/asm-arm/arch-ixp4xx/avila.h -=================================================================== ---- linux-2.6.25.4.orig/include/asm-arm/arch-ixp4xx/avila.h -+++ linux-2.6.25.4/include/asm-arm/arch-ixp4xx/avila.h -@@ -36,4 +36,6 @@ - #define AVILA_PCI_INTC_PIN 9 - #define AVILA_PCI_INTD_PIN 8 - -- -+/* User LEDs */ -+#define AVILA_GW23XX_LED_USER_GPIO 3 -+#define AVILA_GW23X7_LED_USER_GPIO 4 -Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/avila-setup.c -=================================================================== ---- linux-2.6.25.4.orig/arch/arm/mach-ixp4xx/avila-setup.c -+++ linux-2.6.25.4/arch/arm/mach-ixp4xx/avila-setup.c +diff -ruN clean/linux-2.6.25.4/arch/arm/mach-ixp4xx/avila-setup.c linux-2.6.25.4/arch/arm/mach-ixp4xx/avila-setup.c +--- clean/linux-2.6.25.4/arch/arm/mach-ixp4xx/avila-setup.c 2008-05-20 09:18:21.000000000 -0700 ++++ linux-2.6.25.4/arch/arm/mach-ixp4xx/avila-setup.c 2008-05-20 09:31:55.000000000 -0700 @@ -26,6 +26,7 @@ # include <linux/eeprom.h> #endif @@ -22,11 +9,11 @@ Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/avila-setup.c #include <linux/i2c-gpio.h> #include <asm/types.h> -@@ -172,6 +173,25 @@ static struct platform_device avila_npec +@@ -172,6 +173,72 @@ .dev.platform_data = &avila_npec_data, }; -+static struct gpio_led avila_leds[] = { ++static struct gpio_led avila_gpio_leds[] = { + { + .name = "user", /* green led */ + .gpio = AVILA_GW23XX_LED_USER_GPIO, @@ -34,52 +21,99 @@ Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/avila-setup.c + } +}; + -+static struct gpio_led_platform_data avila_leds_data = { ++static struct gpio_led_platform_data avila_gpio_leds_data = { + .num_leds = 1, -+ .leds = avila_leds, ++ .leds = avila_gpio_leds, +}; + -+static struct platform_device avila_leds_device = { ++static struct platform_device avila_gpio_leds_device = { + .name = "leds-gpio", + .id = -1, -+ .dev.platform_data = &avila_leds_data, ++ .dev.platform_data = &avila_gpio_leds_data, ++}; ++ ++static struct latch_led avila_latch_leds[] = { ++ { ++ .name = "led0", /* green led */ ++ .bit = 0, ++ }, ++ { ++ .name = "led1", /* green led */ ++ .bit = 1, ++ }, ++ { ++ .name = "led2", /* green led */ ++ .bit = 2, ++ }, ++ { ++ .name = "led3", /* green led */ ++ .bit = 3, ++ }, ++ { ++ .name = "led4", /* green led */ ++ .bit = 4, ++ }, ++ { ++ .name = "led5", /* green led */ ++ .bit = 5, ++ }, ++ { ++ .name = "led6", /* green led */ ++ .bit = 6, ++ }, ++ { ++ .name = "led7", /* green led */ ++ .bit = 7, ++ } ++}; ++ ++static struct latch_led_platform_data avila_latch_leds_data = { ++ .num_leds = 8, ++ .leds = avila_latch_leds, ++ .mem = 0x51000000, ++}; ++ ++static struct platform_device avila_latch_leds_device = { ++ .name = "leds-latch", ++ .id = -1, ++ .dev.platform_data = &avila_latch_leds_data, +}; + static struct platform_device *avila_devices[] __initdata = { &avila_i2c_gpio, &avila_flash, -@@ -182,6 +202,8 @@ static void __init avila_gw23xx_setup(vo +@@ -182,6 +249,8 @@ { platform_device_register(&avila_npeb_device); platform_device_register(&avila_npec_device); + -+ platform_device_register(&avila_leds_device); ++ platform_device_register(&avila_gpio_leds_device); } #ifdef CONFIG_SENSORS_EEPROM -@@ -189,6 +211,8 @@ static void __init avila_gw2342_setup(vo +@@ -189,6 +258,8 @@ { platform_device_register(&avila_npeb_device); platform_device_register(&avila_npec_device); + -+ platform_device_register(&avila_leds_device); ++ platform_device_register(&avila_gpio_leds_device); } static void __init avila_gw2345_setup(void) -@@ -199,22 +223,30 @@ static void __init avila_gw2345_setup(vo +@@ -199,22 +270,30 @@ avila_npec_data.phy = 5; /* port 5 of the KS8995 switch */ platform_device_register(&avila_npec_device); + -+ platform_device_register(&avila_leds_device); ++ platform_device_register(&avila_gpio_leds_device); } static void __init avila_gw2347_setup(void) { platform_device_register(&avila_npeb_device); + -+ avila_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO; -+ platform_device_register(&avila_leds_device); ++ avila_gpio_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO; ++ platform_device_register(&avila_gpio_leds_device); } static void __init avila_gw2348_setup(void) @@ -87,30 +121,248 @@ Index: linux-2.6.25.4/arch/arm/mach-ixp4xx/avila-setup.c platform_device_register(&avila_npeb_device); platform_device_register(&avila_npec_device); + -+ platform_device_register(&avila_leds_device); ++ platform_device_register(&avila_gpio_leds_device); } static void __init avila_gw2353_setup(void) { platform_device_register(&avila_npeb_device); -+ platform_device_register(&avila_leds_device); ++ platform_device_register(&avila_gpio_leds_device); } static void __init avila_gw2355_setup(void) -@@ -225,11 +257,16 @@ static void __init avila_gw2355_setup(vo +@@ -225,11 +304,29 @@ avila_npec_data.phy = 16; platform_device_register(&avila_npec_device); + -+ platform_device_register(&avila_leds_device); ++ platform_device_register(&avila_gpio_leds_device); ++ ++ *IXP4XX_EXP_CS4 |= 0xbfff3c03; ++ avila_latch_leds[0].name = "RXD"; ++ avila_latch_leds[1].name = "TXD"; ++ avila_latch_leds[2].name = "POL"; ++ avila_latch_leds[3].name = "LNK"; ++ avila_latch_leds[4].name = "ERR"; ++ avila_latch_leds_data.num_leds = 5; ++ avila_latch_leds_data.mem = 0x54000000; ++ platform_device_register(&avila_latch_leds_device); } static void __init avila_gw2357_setup(void) { platform_device_register(&avila_npeb_device); + -+ avila_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO; -+ platform_device_register(&avila_leds_device); ++ avila_gpio_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO; ++ platform_device_register(&avila_gpio_leds_device); ++ ++ *IXP4XX_EXP_CS1 |= 0xbfff3c03; ++ platform_device_register(&avila_latch_leds_device); } static struct avila_board_info avila_boards[] __initdata = { +diff -ruN clean/linux-2.6.25.4/drivers/leds/Kconfig linux-2.6.25.4/drivers/leds/Kconfig +--- clean/linux-2.6.25.4/drivers/leds/Kconfig 2008-05-15 08:00:12.000000000 -0700 ++++ linux-2.6.25.4/drivers/leds/Kconfig 2008-05-20 09:25:15.000000000 -0700 +@@ -113,6 +113,12 @@ + outputs. To be useful the particular board must have LEDs + and they must be connected to the GPIO lines. + ++config LEDS_LATCH ++ tristate "LED Support for Memory Latched LEDs" ++ depends on LEDS_CLASS ++ help ++ -- To Do -- ++ + config LEDS_CM_X270 + tristate "LED Support for the CM-X270 LEDs" + depends on LEDS_CLASS && MACH_ARMCORE +diff -ruN clean/linux-2.6.25.4/drivers/leds/leds-latch.c linux-2.6.25.4/drivers/leds/leds-latch.c +--- clean/linux-2.6.25.4/drivers/leds/leds-latch.c 1969-12-31 16:00:00.000000000 -0800 ++++ linux-2.6.25.4/drivers/leds/leds-latch.c 2008-04-30 14:03:21.000000000 -0700 +@@ -0,0 +1,141 @@ ++/* ++ * LEDs driver for Memory Latched Devices ++ * ++ * Copyright (C) 2008 Gateworks Corp. ++ * Chris Lang <clang@gateworks.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 <linux/workqueue.h> ++#include <asm/io.h> ++#include <linux/spinlock.h> ++ ++static unsigned int mem_keep = 0xFF; ++static spinlock_t mem_lock; ++static unsigned char *iobase; ++ ++struct latch_led_data { ++ struct led_classdev cdev; ++ struct work_struct work; ++ u8 new_level; ++ u8 bit; ++}; ++ ++static void latch_led_set(struct led_classdev *led_cdev, ++ enum led_brightness value) ++{ ++ struct latch_led_data *led_dat = ++ container_of(led_cdev, struct latch_led_data, cdev); ++ ++ spin_lock(mem_lock); ++ ++ if (value == LED_OFF) ++ mem_keep |= (0x1 << led_dat->bit); ++ else ++ mem_keep &= ~(0x1 << led_dat->bit); ++ ++ writeb(mem_keep, iobase); ++ ++ spin_unlock(mem_lock); ++} ++ ++static int latch_led_probe(struct platform_device *pdev) ++{ ++ struct latch_led_platform_data *pdata = pdev->dev.platform_data; ++ struct latch_led *cur_led; ++ struct latch_led_data *leds_data, *led_dat; ++ int i, ret = 0; ++ ++ if (!pdata) ++ return -EBUSY; ++ ++ leds_data = kzalloc(sizeof(struct latch_led_data) * pdata->num_leds, ++ GFP_KERNEL); ++ if (!leds_data) ++ return -ENOMEM; ++ ++ iobase = ioremap_nocache(pdata->mem, 0x1000); ++ writeb(0xFF, iobase); ++ ++ for (i = 0; i < pdata->num_leds; i++) { ++ cur_led = &pdata->leds[i]; ++ led_dat = &leds_data[i]; ++ ++ led_dat->cdev.name = cur_led->name; ++ led_dat->cdev.default_trigger = cur_led->default_trigger; ++ led_dat->cdev.brightness_set = latch_led_set; ++ led_dat->cdev.brightness = LED_OFF; ++ led_dat->bit = cur_led->bit; ++ ++ ret = led_classdev_register(&pdev->dev, &led_dat->cdev); ++ if (ret < 0) { ++ goto err; ++ } ++ } ++ ++ platform_set_drvdata(pdev, leds_data); ++ ++ return 0; ++ ++err: ++ if (i > 0) { ++ for (i = i - 1; i >= 0; i--) { ++ led_classdev_unregister(&leds_data[i].cdev); ++ } ++ } ++ ++ kfree(leds_data); ++ ++ return ret; ++} ++ ++static int __devexit latch_led_remove(struct platform_device *pdev) ++{ ++ int i; ++ struct latch_led_platform_data *pdata = pdev->dev.platform_data; ++ struct latch_led_data *leds_data; ++ ++ leds_data = platform_get_drvdata(pdev); ++ ++ for (i = 0; i < pdata->num_leds; i++) { ++ led_classdev_unregister(&leds_data[i].cdev); ++ cancel_work_sync(&leds_data[i].work); ++ } ++ ++ kfree(leds_data); ++ ++ return 0; ++} ++ ++static struct platform_driver latch_led_driver = { ++ .probe = latch_led_probe, ++ .remove = __devexit_p(latch_led_remove), ++ .driver = { ++ .name = "leds-latch", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init latch_led_init(void) ++{ ++ return platform_driver_register(&latch_led_driver); ++} ++ ++static void __exit latch_led_exit(void) ++{ ++ platform_driver_unregister(&latch_led_driver); ++} ++ ++module_init(latch_led_init); ++module_exit(latch_led_exit); ++ ++MODULE_AUTHOR("Chris Lang <clang@gateworks.com>"); ++MODULE_DESCRIPTION("Latch LED driver"); ++MODULE_LICENSE("GPL"); +diff -ruN clean/linux-2.6.25.4/drivers/leds/Makefile linux-2.6.25.4/drivers/leds/Makefile +--- clean/linux-2.6.25.4/drivers/leds/Makefile 2008-05-15 08:00:12.000000000 -0700 ++++ linux-2.6.25.4/drivers/leds/Makefile 2008-05-20 09:26:14.000000000 -0700 +@@ -18,6 +18,7 @@ + obj-$(CONFIG_LEDS_COBALT_QUBE) += leds-cobalt-qube.o + obj-$(CONFIG_LEDS_COBALT_RAQ) += leds-cobalt-raq.o + obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o ++obj-$(CONFIG_LEDS_LATCH) += leds-latch.o + obj-$(CONFIG_LEDS_CM_X270) += leds-cm-x270.o + obj-$(CONFIG_LEDS_CLEVO_MAIL) += leds-clevo-mail.o + obj-$(CONFIG_LEDS_HP6XX) += leds-hp6xx.o +diff -ruN clean/linux-2.6.25.4/include/asm-arm/arch-ixp4xx/avila.h linux-2.6.25.4/include/asm-arm/arch-ixp4xx/avila.h +--- clean/linux-2.6.25.4/include/asm-arm/arch-ixp4xx/avila.h 2008-05-15 08:00:12.000000000 -0700 ++++ linux-2.6.25.4/include/asm-arm/arch-ixp4xx/avila.h 2008-05-20 09:22:28.000000000 -0700 +@@ -36,4 +36,6 @@ + #define AVILA_PCI_INTC_PIN 9 + #define AVILA_PCI_INTD_PIN 8 + +- ++/* User LEDs */ ++#define AVILA_GW23XX_LED_USER_GPIO 3 ++#define AVILA_GW23X7_LED_USER_GPIO 4 +diff -ruN clean/linux-2.6.25.4/include/linux/leds.h linux-2.6.25.4/include/linux/leds.h +--- clean/linux-2.6.25.4/include/linux/leds.h 2008-05-15 08:00:12.000000000 -0700 ++++ linux-2.6.25.4/include/linux/leds.h 2008-05-20 09:32:35.000000000 -0700 +@@ -136,5 +136,18 @@ + struct gpio_led *leds; + }; + ++/* For the leds-latch driver */ ++struct latch_led { ++ const char *name; ++ char *default_trigger; ++ unsigned bit; ++}; ++ ++struct latch_led_platform_data { ++ int num_leds; ++ u32 mem; ++ struct latch_led *leds; ++}; ++ + + #endif /* __LINUX_LEDS_H_INCLUDED */ |