/* * 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");