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Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.26/1032-gta02-leds.patch.patch')
-rwxr-xr-xtarget/linux/s3c24xx/patches-2.6.26/1032-gta02-leds.patch.patch276
1 files changed, 276 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.26/1032-gta02-leds.patch.patch b/target/linux/s3c24xx/patches-2.6.26/1032-gta02-leds.patch.patch
new file mode 100755
index 0000000000..5645c00720
--- /dev/null
+++ b/target/linux/s3c24xx/patches-2.6.26/1032-gta02-leds.patch.patch
@@ -0,0 +1,276 @@
+From fc22d87d11df9053f1a1b41b7b450c3af07b5059 Mon Sep 17 00:00:00 2001
+From: mokopatches <mokopatches@openmoko.org>
+Date: Wed, 16 Jul 2008 14:46:56 +0100
+Subject: [PATCH] gta02-leds.patch
+
+---
+ drivers/leds/Kconfig | 6 +
+ drivers/leds/Makefile | 1 +
+ drivers/leds/leds-neo1973-gta02.c | 226 +++++++++++++++++++++++++++++++++++++
+ 3 files changed, 233 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/leds/leds-neo1973-gta02.c
+
+diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
+index 8c7d949..b6b1211 100644
+--- a/drivers/leds/Kconfig
++++ b/drivers/leds/Kconfig
+@@ -153,6 +153,12 @@ config LEDS_NEO1973_VIBRATOR
+ help
+ This option enables support for the vibrator on the FIC Neo1973.
+
++config LEDS_NEO1973_GTA02
++ tristate "LED Support for the FIC Neo1973 (GTA02)"
++ depends on LEDS_CLASS && MACH_NEO1973_GTA02
++ help
++ This option enables support for the LEDs on the FIC Neo1973.
++
+ comment "LED Triggers"
+
+ config LEDS_TRIGGERS
+diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
+index 148fe51..3a9df6a 100644
+--- a/drivers/leds/Makefile
++++ b/drivers/leds/Makefile
+@@ -22,6 +22,7 @@ obj-$(CONFIG_LEDS_CLEVO_MAIL) += leds-clevo-mail.o
+ obj-$(CONFIG_LEDS_HP6XX) += leds-hp6xx.o
+ obj-$(CONFIG_LEDS_FSG) += leds-fsg.o
+ obj-$(CONFIG_LEDS_NEO1973_VIBRATOR) += leds-neo1973-vibrator.o
++obj-$(CONFIG_LEDS_NEO1973_GTA02) += leds-neo1973-gta02.o
+
+ # LED Triggers
+ obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
+diff --git a/drivers/leds/leds-neo1973-gta02.c b/drivers/leds/leds-neo1973-gta02.c
+new file mode 100644
+index 0000000..bf1d540
+--- /dev/null
++++ b/drivers/leds/leds-neo1973-gta02.c
+@@ -0,0 +1,226 @@
++/*
++ * LED driver for the FIC Neo1973 GTA02 GSM phone
++ *
++ * (C) 2006-2007 by OpenMoko, Inc.
++ * Author: Harald Welte <laforge@openmoko.org>
++ * All rights reserved.
++ *
++ * 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/hardware.h>
++#include <asm/mach-types.h>
++#include <asm/arch/pwm.h>
++#include <asm/arch/gta02.h>
++#include <asm/plat-s3c/regs-timer.h>
++
++#define MAX_LEDS 3
++#define COUNTER 256
++
++struct gta02_led_priv
++{
++ struct mutex mutex;
++ struct led_classdev cdev;
++ struct s3c2410_pwm pwm;
++ unsigned int gpio;
++ unsigned int has_pwm;
++};
++
++struct gta02_led_bundle
++{
++ int num_leds;
++ struct gta02_led_priv led[MAX_LEDS];
++};
++
++static inline struct gta02_led_priv *to_priv(struct led_classdev *led_cdev)
++{
++ return container_of(led_cdev, struct gta02_led_priv, cdev);
++}
++
++static inline struct gta02_led_bundle *to_bundle(struct led_classdev *led_cdev)
++{
++ return dev_get_drvdata(led_cdev->dev);
++}
++
++static void gta02led_set(struct led_classdev *led_cdev,
++ enum led_brightness value)
++{
++ struct gta02_led_priv *lp = to_priv(led_cdev);
++
++ /*
++ * value == 255 -> 99% duty cycle (full power)
++ * value == 128 -> 50% duty cycle (medium power)
++ * value == 0 -> 0% duty cycle (zero power)
++ */
++ mutex_lock(&lp->mutex);
++ if (lp->has_pwm) {
++ s3c2410_pwm_duty_cycle(value, &lp->pwm);
++ } else {
++ if (value)
++ s3c2410_gpio_setpin(lp->gpio, 1);
++ else
++ s3c2410_gpio_setpin(lp->gpio, 0);
++ }
++ mutex_unlock(&lp->mutex);
++}
++
++#ifdef CONFIG_PM
++static int gta02led_suspend(struct platform_device *pdev, pm_message_t state)
++{
++ struct gta02_led_bundle *bundle = platform_get_drvdata(pdev);
++ int i;
++
++ for (i = 0; i < bundle->num_leds; i++)
++ led_classdev_suspend(&bundle->led[i].cdev);
++
++ return 0;
++}
++
++static int gta02led_resume(struct platform_device *pdev)
++{
++ struct gta02_led_bundle *bundle = platform_get_drvdata(pdev);
++ int i;
++
++ for (i = 0; i < bundle->num_leds; i++)
++ led_classdev_resume(&bundle->led[i].cdev);
++
++ return 0;
++}
++#endif
++
++static int __init gta02led_probe(struct platform_device *pdev)
++{
++ int i, rc;
++ struct gta02_led_bundle *bundle;
++
++ if (!machine_is_neo1973_gta02())
++ return -EIO;
++
++ bundle = kzalloc(sizeof(struct gta02_led_bundle), GFP_KERNEL);
++ if (!bundle)
++ return -ENOMEM;
++ platform_set_drvdata(pdev, bundle);
++
++ for (i = 0; i < pdev->num_resources; i++) {
++ struct gta02_led_priv *lp;
++ struct resource *r;
++
++ if (i >= MAX_LEDS)
++ break;
++
++ r = platform_get_resource(pdev, 0, i);
++ if (!r || !r->start || !r->name)
++ continue;
++
++ lp = &bundle->led[i];
++
++ lp->gpio = r->start;
++ lp->cdev.name = r->name;
++ lp->cdev.brightness_set = gta02led_set;
++
++ switch (lp->gpio) {
++ case S3C2410_GPB0:
++ lp->has_pwm = 1;
++ lp->pwm.timerid = PWM0;
++ s3c2410_gpio_cfgpin(lp->gpio, S3C2410_GPB0_TOUT0);
++ break;
++ case S3C2410_GPB1:
++ lp->has_pwm = 1;
++ lp->pwm.timerid = PWM1;
++ s3c2410_gpio_cfgpin(lp->gpio, S3C2410_GPB1_TOUT1);
++ break;
++ case S3C2410_GPB2:
++ lp->has_pwm = 1;
++ lp->pwm.timerid = PWM2;
++ s3c2410_gpio_cfgpin(lp->gpio, S3C2410_GPB2_TOUT2);
++ break;
++ case S3C2410_GPB3:
++ lp->has_pwm = 1;
++ lp->pwm.timerid = PWM3;
++ s3c2410_gpio_cfgpin(lp->gpio, S3C2410_GPB3_TOUT3);
++ break;
++ default:
++ break;
++ }
++
++ lp->pwm.prescaler = 0;
++ lp->pwm.divider = S3C2410_TCFG1_MUX3_DIV8;
++ lp->pwm.counter = COUNTER;
++ lp->pwm.comparer = COUNTER;
++ s3c2410_pwm_enable(&lp->pwm);
++ s3c2410_pwm_start(&lp->pwm);
++
++ switch (lp->gpio) {
++ case S3C2410_GPB0:
++ case S3C2410_GPB1:
++ case S3C2410_GPB2:
++ lp->has_pwm = 0;
++ s3c2410_gpio_cfgpin(lp->gpio, S3C2410_GPIO_OUTPUT);
++ s3c2410_gpio_setpin(lp->gpio, 0);
++ break;
++ default:
++ break;
++ }
++
++ mutex_init(&lp->mutex);
++ rc = led_classdev_register(&pdev->dev, &lp->cdev);
++ }
++
++ return 0;
++}
++
++static int gta02led_remove(struct platform_device *pdev)
++{
++ struct gta02_led_bundle *bundle = platform_get_drvdata(pdev);
++ int i;
++
++ for (i = 0; i < bundle->num_leds; i++) {
++ struct gta02_led_priv *lp = &bundle->led[i];
++ if (lp->has_pwm)
++ s3c2410_pwm_disable(&lp->pwm);
++
++ led_classdev_unregister(&lp->cdev);
++ mutex_destroy(&lp->mutex);
++ }
++
++ platform_set_drvdata(pdev, NULL);
++ kfree(bundle);
++
++ return 0;
++}
++
++static struct platform_driver gta02led_driver = {
++ .probe = gta02led_probe,
++ .remove = gta02led_remove,
++#ifdef CONFIG_PM
++ .suspend = gta02led_suspend,
++ .resume = gta02led_resume,
++#endif
++ .driver = {
++ .name = "gta02-led",
++ },
++};
++
++static int __init gta02led_init(void)
++{
++ return platform_driver_register(&gta02led_driver);
++}
++
++static void __exit gta02led_exit(void)
++{
++ platform_driver_unregister(&gta02led_driver);
++}
++
++module_init(gta02led_init);
++module_exit(gta02led_exit);
++
++MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>");
++MODULE_DESCRIPTION("FIC Neo1973 GTA02 LED driver");
++MODULE_LICENSE("GPL");
+--
+1.5.6.3
+