You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
131 lines
2.9 KiB
131 lines
2.9 KiB
19 years ago
|
/*
|
||
|
|
* LED Triggers Core
|
||
|
|
*
|
||
|
|
* Copyright 2005 Dirk Opfer
|
||
|
|
*
|
||
|
|
* Author: Dirk Opfer <Dirk@Opfer-Online.de>
|
||
|
|
* based on spitz.c
|
||
|
|
*
|
||
|
|
* 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/scoop.h>
|
||
|
|
#include <asm/mach-types.h>
|
||
|
|
#include <asm/arch/hardware.h>
|
||
|
|
#include <asm/arch/pxa-regs.h>
|
||
|
|
#include <asm/arch/tosa.h>
|
||
|
|
|
||
|
|
static void tosaled_amber_set(struct led_classdev *led_cdev,
|
||
|
|
enum led_brightness value)
|
||
|
|
{
|
||
|
|
if (value)
|
||
|
|
set_scoop_gpio(&tosascoop_jc_device.dev,
|
||
|
|
TOSA_SCOOP_JC_CHRG_ERR_LED);
|
||
|
|
else
|
||
|
|
reset_scoop_gpio(&tosascoop_jc_device.dev,
|
||
|
|
TOSA_SCOOP_JC_CHRG_ERR_LED);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void tosaled_green_set(struct led_classdev *led_cdev,
|
||
|
|
enum led_brightness value)
|
||
|
|
{
|
||
|
|
if (value)
|
||
|
|
set_scoop_gpio(&tosascoop_jc_device.dev,
|
||
|
|
TOSA_SCOOP_JC_NOTE_LED);
|
||
|
|
else
|
||
|
|
reset_scoop_gpio(&tosascoop_jc_device.dev,
|
||
|
|
TOSA_SCOOP_JC_NOTE_LED);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct led_classdev tosa_amber_led = {
|
||
|
|
.name = "tosa:amber",
|
||
|
|
.default_trigger = "sharpsl-charge",
|
||
|
|
.brightness_set = tosaled_amber_set,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct led_classdev tosa_green_led = {
|
||
|
|
.name = "tosa:green",
|
||
|
|
.default_trigger = "nand-disk",
|
||
|
|
.brightness_set = tosaled_green_set,
|
||
|
|
};
|
||
|
|
|
||
|
|
#ifdef CONFIG_PM
|
||
|
|
static int tosaled_suspend(struct platform_device *dev, pm_message_t state)
|
||
|
|
{
|
||
|
|
#ifdef CONFIG_LEDS_TRIGGERS
|
||
|
|
if (tosa_amber_led.trigger && strcmp(tosa_amber_led.trigger->name,
|
||
|
|
"sharpsl-charge"))
|
||
|
|
#endif
|
||
|
|
led_classdev_suspend(&tosa_amber_led);
|
||
|
|
led_classdev_suspend(&tosa_green_led);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int tosaled_resume(struct platform_device *dev)
|
||
|
|
{
|
||
|
|
led_classdev_resume(&tosa_amber_led);
|
||
|
|
led_classdev_resume(&tosa_green_led);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
#define tosaled_suspend NULL
|
||
|
|
#define tosaled_resume NULL
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static int tosaled_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = led_classdev_register(&pdev->dev, &tosa_amber_led);
|
||
|
|
if (ret < 0)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
ret = led_classdev_register(&pdev->dev, &tosa_green_led);
|
||
|
|
if (ret < 0)
|
||
|
|
led_classdev_unregister(&tosa_amber_led);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int tosaled_remove(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
led_classdev_unregister(&tosa_amber_led);
|
||
|
|
led_classdev_unregister(&tosa_green_led);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct platform_driver tosaled_driver = {
|
||
|
|
.probe = tosaled_probe,
|
||
|
|
.remove = tosaled_remove,
|
||
|
|
.suspend = tosaled_suspend,
|
||
|
|
.resume = tosaled_resume,
|
||
|
|
.driver = {
|
||
|
|
.name = "tosa-led",
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static int __init tosaled_init(void)
|
||
|
|
{
|
||
|
|
return platform_driver_register(&tosaled_driver);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __exit tosaled_exit(void)
|
||
|
|
{
|
||
|
|
platform_driver_unregister(&tosaled_driver);
|
||
|
|
}
|
||
|
|
|
||
|
|
module_init(tosaled_init);
|
||
|
|
module_exit(tosaled_exit);
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Dirk Opfer <Dirk@Opfer-Online.de>");
|
||
|
|
MODULE_DESCRIPTION("Tosa LED driver");
|
||
|
|
MODULE_LICENSE("GPL");
|