/* * LED Triggers Core * * Copyright 2005-2006 Openedhand Ltd. * * Author: 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. * */ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/leds.h> #include <asm/mach-types.h> #include <asm/arch/corgi.h> #include <asm/arch/hardware.h> #include <asm/arch/pxa-regs.h> #include <asm/hardware/scoop.h> static void corgiled_amber_set(struct led_classdev *led_cdev, enum led_brightness value) { if (value) GPSR0 = GPIO_bit(CORGI_GPIO_LED_ORANGE); else GPCR0 = GPIO_bit(CORGI_GPIO_LED_ORANGE); } static void corgiled_green_set(struct led_classdev *led_cdev, enum led_brightness value) { if (value) set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN); else reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN); } static struct led_classdev corgi_amber_led = { .name = "corgi:amber", .default_trigger = "sharpsl-charge", .brightness_set = corgiled_amber_set, }; static struct led_classdev corgi_green_led = { .name = "corgi:green", .default_trigger = "nand-disk", .brightness_set = corgiled_green_set, }; #ifdef CONFIG_PM static int corgiled_suspend(struct platform_device *dev, pm_message_t state) { #ifdef CONFIG_LEDS_TRIGGERS if (corgi_amber_led.trigger && strcmp(corgi_amber_led.trigger->name, "sharpsl-charge")) #endif led_classdev_suspend(&corgi_amber_led); led_classdev_suspend(&corgi_green_led); return 0; } static int corgiled_resume(struct platform_device *dev) { led_classdev_resume(&corgi_amber_led); led_classdev_resume(&corgi_green_led); return 0; } #endif static int corgiled_probe(struct platform_device *pdev) { int ret; ret = led_classdev_register(&pdev->dev, &corgi_amber_led); if (ret < 0) return ret; ret = led_classdev_register(&pdev->dev, &corgi_green_led); if (ret < 0) led_classdev_unregister(&corgi_amber_led); return ret; } static int corgiled_remove(struct platform_device *pdev) { led_classdev_unregister(&corgi_amber_led); led_classdev_unregister(&corgi_green_led); return 0; } static struct platform_driver corgiled_driver = { .probe = corgiled_probe, .remove = corgiled_remove, #ifdef CONFIG_PM .suspend = corgiled_suspend, .resume = corgiled_resume, #endif .driver = { .name = "corgi-led", }, }; static int __init corgiled_init(void) { return platform_driver_register(&corgiled_driver); } static void __exit corgiled_exit(void) { platform_driver_unregister(&corgiled_driver); } module_init(corgiled_init); module_exit(corgiled_exit); MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>"); MODULE_DESCRIPTION("Corgi LED driver"); MODULE_LICENSE("GPL");