diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/leds.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/leds.h | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/ANDROID_3.4.5/include/linux/leds.h b/ANDROID_3.4.5/include/linux/leds.h deleted file mode 100644 index 5884def1..00000000 --- a/ANDROID_3.4.5/include/linux/leds.h +++ /dev/null @@ -1,213 +0,0 @@ -/* - * Driver model for leds and led triggers - * - * Copyright (C) 2005 John Lenz <lenz@cs.wisc.edu> - * Copyright (C) 2005 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. - * - */ -#ifndef __LINUX_LEDS_H_INCLUDED -#define __LINUX_LEDS_H_INCLUDED - -#include <linux/list.h> -#include <linux/spinlock.h> -#include <linux/rwsem.h> -#include <linux/timer.h> - -struct device; -/* - * LED Core - */ - -enum led_brightness { - LED_OFF = 0, - LED_HALF = 127, - LED_FULL = 255, -}; - -struct led_classdev { - const char *name; - int brightness; - int max_brightness; - int flags; - - /* Lower 16 bits reflect status */ -#define LED_SUSPENDED (1 << 0) - /* Upper 16 bits reflect control information */ -#define LED_CORE_SUSPENDRESUME (1 << 16) - - /* Set LED brightness level */ - /* Must not sleep, use a workqueue if needed */ - void (*brightness_set)(struct led_classdev *led_cdev, - enum led_brightness brightness); - /* Get LED brightness level */ - enum led_brightness (*brightness_get)(struct led_classdev *led_cdev); - - /* - * Activate hardware accelerated blink, delays are in milliseconds - * and if both are zero then a sensible default should be chosen. - * The call should adjust the timings in that case and if it can't - * match the values specified exactly. - * Deactivate blinking again when the brightness is set to a fixed - * value via the brightness_set() callback. - */ - int (*blink_set)(struct led_classdev *led_cdev, - unsigned long *delay_on, - unsigned long *delay_off); - - struct device *dev; - struct list_head node; /* LED Device list */ - const char *default_trigger; /* Trigger to use */ - - unsigned long blink_delay_on, blink_delay_off; - struct timer_list blink_timer; - int blink_brightness; - -#ifdef CONFIG_LEDS_TRIGGERS - /* Protects the trigger data below */ - struct rw_semaphore trigger_lock; - - struct led_trigger *trigger; - struct list_head trig_list; - void *trigger_data; -#endif -}; - -extern int led_classdev_register(struct device *parent, - struct led_classdev *led_cdev); -extern void led_classdev_unregister(struct led_classdev *led_cdev); -extern void led_classdev_suspend(struct led_classdev *led_cdev); -extern void led_classdev_resume(struct led_classdev *led_cdev); - -/** - * led_blink_set - set blinking with software fallback - * @led_cdev: the LED to start blinking - * @delay_on: the time it should be on (in ms) - * @delay_off: the time it should ble off (in ms) - * - * This function makes the LED blink, attempting to use the - * hardware acceleration if possible, but falling back to - * software blinking if there is no hardware blinking or if - * the LED refuses the passed values. - * - * Note that if software blinking is active, simply calling - * led_cdev->brightness_set() will not stop the blinking, - * use led_classdev_brightness_set() instead. - */ -extern void led_blink_set(struct led_classdev *led_cdev, - unsigned long *delay_on, - unsigned long *delay_off); -/** - * led_brightness_set - set LED brightness - * @led_cdev: the LED to set - * @brightness: the brightness to set it to - * - * Set an LED's brightness, and, if necessary, cancel the - * software blink timer that implements blinking when the - * hardware doesn't. - */ -extern void led_brightness_set(struct led_classdev *led_cdev, - enum led_brightness brightness); - -/* - * LED Triggers - */ -#ifdef CONFIG_LEDS_TRIGGERS - -#define TRIG_NAME_MAX 50 - -struct led_trigger { - /* Trigger Properties */ - const char *name; - void (*activate)(struct led_classdev *led_cdev); - void (*deactivate)(struct led_classdev *led_cdev); - - /* LEDs under control by this trigger (for simple triggers) */ - rwlock_t leddev_list_lock; - struct list_head led_cdevs; - - /* Link to next registered trigger */ - struct list_head next_trig; -}; - -/* Registration functions for complex triggers */ -extern int led_trigger_register(struct led_trigger *trigger); -extern void led_trigger_unregister(struct led_trigger *trigger); - -/* Registration functions for simple triggers */ -#define DEFINE_LED_TRIGGER(x) static struct led_trigger *x; -#define DEFINE_LED_TRIGGER_GLOBAL(x) struct led_trigger *x; -extern void led_trigger_register_simple(const char *name, - struct led_trigger **trigger); -extern void led_trigger_unregister_simple(struct led_trigger *trigger); -extern void led_trigger_event(struct led_trigger *trigger, - enum led_brightness event); -extern void led_trigger_blink(struct led_trigger *trigger, - unsigned long *delay_on, - unsigned long *delay_off); - -#else - -/* Triggers aren't active - null macros */ -#define DEFINE_LED_TRIGGER(x) -#define DEFINE_LED_TRIGGER_GLOBAL(x) -#define led_trigger_register_simple(x, y) do {} while(0) -#define led_trigger_unregister_simple(x) do {} while(0) -#define led_trigger_event(x, y) do {} while(0) - -#endif - -/* Trigger specific functions */ -#ifdef CONFIG_LEDS_TRIGGER_IDE_DISK -extern void ledtrig_ide_activity(void); -#else -#define ledtrig_ide_activity() do {} while(0) -#endif - -/* - * Generic LED platform data for describing LED names and default triggers. - */ -struct led_info { - const char *name; - const char *default_trigger; - int flags; -}; - -struct led_platform_data { - int num_leds; - struct led_info *leds; -}; - -/* For the leds-gpio driver */ -struct gpio_led { - const char *name; - const char *default_trigger; - unsigned gpio; - unsigned active_low : 1; - unsigned retain_state_suspended : 1; - unsigned default_state : 2; - /* default_state should be one of LEDS_GPIO_DEFSTATE_(ON|OFF|KEEP) */ -}; -#define LEDS_GPIO_DEFSTATE_OFF 0 -#define LEDS_GPIO_DEFSTATE_ON 1 -#define LEDS_GPIO_DEFSTATE_KEEP 2 - -struct gpio_led_platform_data { - int num_leds; - const struct gpio_led *leds; - -#define GPIO_LED_NO_BLINK_LOW 0 /* No blink GPIO state low */ -#define GPIO_LED_NO_BLINK_HIGH 1 /* No blink GPIO state high */ -#define GPIO_LED_BLINK 2 /* Please, blink */ - int (*gpio_blink_set)(unsigned gpio, int state, - unsigned long *delay_on, - unsigned long *delay_off); -}; - -struct platform_device *gpio_led_register_device( - int id, const struct gpio_led_platform_data *pdata); - -#endif /* __LINUX_LEDS_H_INCLUDED */ |