+++ /dev/null
-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(>a02led_driver);
-+}
-+
-+static void __exit gta02led_exit(void)
-+{
-+ platform_driver_unregister(>a02led_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
-
projects / openwrt.git / blobdiff