projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 3179108d RP |
1 | /* |
| 2 | * LED Triggers Core | |
| 3 | * | |
| 4 | * Copyright 2005-2006 Openedhand Ltd. | |
| 5 | * | |
| 6 | * Author: Richard Purdie <[email protected]> | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify | |
| 9 | * it under the terms of the GNU General Public License version 2 as | |
| 10 | * published by the Free Software Foundation. | |
| 11 | * | |
| 12 | */ | |
| 13 | ||
| 3179108d RP |
14 | #include <linux/kernel.h> |
| 15 | #include <linux/init.h> | |
| 16 | #include <linux/platform_device.h> | |
| 17 | #include <linux/leds.h> | |
| 18 | #include <asm/mach-types.h> | |
| 19 | #include <asm/arch/corgi.h> | |
| 20 | #include <asm/arch/hardware.h> | |
| 21 | #include <asm/arch/pxa-regs.h> | |
| 22 | #include <asm/hardware/scoop.h> | |
| 23 | ||
| 24 | static void corgiled_amber_set(struct led_classdev *led_cdev, enum led_brightness value) | |
| 25 | { | |
| 26 | if (value) | |
| 27 | GPSR0 = GPIO_bit(CORGI_GPIO_LED_ORANGE); | |
| 28 | else | |
| 29 | GPCR0 = GPIO_bit(CORGI_GPIO_LED_ORANGE); | |
| 30 | } | |
| 31 | ||
| 32 | static void corgiled_green_set(struct led_classdev *led_cdev, enum led_brightness value) | |
| 33 | { | |
| 34 | if (value) | |
| 35 | set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN); | |
| 36 | else | |
| 37 | reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN); | |
| 38 | } | |
| 39 | ||
| 40 | static struct led_classdev corgi_amber_led = { | |
| 41 | .name = "corgi:amber", | |
| 42 | .default_trigger = "sharpsl-charge", | |
| 43 | .brightness_set = corgiled_amber_set, | |
| 44 | }; | |
| 45 | ||
| 46 | static struct led_classdev corgi_green_led = { | |
| 47 | .name = "corgi:green", | |
| 48 | .default_trigger = "nand-disk", | |
| 49 | .brightness_set = corgiled_green_set, | |
| 50 | }; | |
| 51 | ||
| 52 | #ifdef CONFIG_PM | |
| 53 | static int corgiled_suspend(struct platform_device *dev, pm_message_t state) | |
| 54 | { | |
| 55 | #ifdef CONFIG_LEDS_TRIGGERS | |
| 56 | if (corgi_amber_led.trigger && strcmp(corgi_amber_led.trigger->name, "sharpsl-charge")) | |
| 57 | #endif | |
| 58 | led_classdev_suspend(&corgi_amber_led); | |
| 59 | led_classdev_suspend(&corgi_green_led); | |
| 60 | return 0; | |
| 61 | } | |
| 62 | ||
| 63 | static int corgiled_resume(struct platform_device *dev) | |
| 64 | { | |
| 65 | led_classdev_resume(&corgi_amber_led); | |
| 66 | led_classdev_resume(&corgi_green_led); | |
| 67 | return 0; | |
| 68 | } | |
| 69 | #endif | |
| 70 | ||
| 71 | static int corgiled_probe(struct platform_device *pdev) | |
| 72 | { | |
| 73 | int ret; | |
| 74 | ||
| 75 | ret = led_classdev_register(&pdev->dev, &corgi_amber_led); | |
| 76 | if (ret < 0) | |
| 77 | return ret; | |
| 78 | ||
| 79 | ret = led_classdev_register(&pdev->dev, &corgi_green_led); | |
| 80 | if (ret < 0) | |
| 81 | led_classdev_unregister(&corgi_amber_led); | |
| 82 | ||
| 83 | return ret; | |
| 84 | } | |
| 85 | ||
| 86 | static int corgiled_remove(struct platform_device *pdev) | |
| 87 | { | |
| 88 | led_classdev_unregister(&corgi_amber_led); | |
| 89 | led_classdev_unregister(&corgi_green_led); | |
| 90 | return 0; | |
| 91 | } | |
| 92 | ||
| 93 | static struct platform_driver corgiled_driver = { | |
| 94 | .probe = corgiled_probe, | |
| 95 | .remove = corgiled_remove, | |
| 96 | #ifdef CONFIG_PM | |
| 97 | .suspend = corgiled_suspend, | |
| 98 | .resume = corgiled_resume, | |
| 99 | #endif | |
| 100 | .driver = { | |
| 101 | .name = "corgi-led", | |
| 102 | }, | |
| 103 | }; | |
| 104 | ||
| 105 | static int __init corgiled_init(void) | |
| 106 | { | |
| 107 | return platform_driver_register(&corgiled_driver); | |
| 108 | } | |
| 109 | ||
| 110 | static void __exit corgiled_exit(void) | |
| 111 | { | |
| 112 | platform_driver_unregister(&corgiled_driver); | |
| 113 | } | |
| 114 | ||
| 115 | module_init(corgiled_init); | |
| 116 | module_exit(corgiled_exit); | |
| 117 | ||
| 118 | MODULE_AUTHOR("Richard Purdie <[email protected]>"); | |
| 119 | MODULE_DESCRIPTION("Corgi LED driver"); | |
| 120 | MODULE_LICENSE("GPL"); |