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1 | /* |
2 | * LED Triggers Core | |
3 | * | |
4 | * Copyright 2005 Dirk Opfer | |
5 | * | |
6 | * Author: Dirk Opfer <Dirk@Opfer-Online.de> | |
7 | * based on spitz.c | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | * | |
13 | */ | |
14 | ||
6d0cf3e0 DO |
15 | #include <linux/kernel.h> |
16 | #include <linux/init.h> | |
17 | #include <linux/platform_device.h> | |
18 | #include <linux/leds.h> | |
19 | #include <asm/hardware/scoop.h> | |
20 | #include <asm/mach-types.h> | |
21 | #include <asm/arch/hardware.h> | |
22 | #include <asm/arch/pxa-regs.h> | |
23 | #include <asm/arch/tosa.h> | |
24 | ||
25 | static void tosaled_amber_set(struct led_classdev *led_cdev, | |
26 | enum led_brightness value) | |
27 | { | |
28 | if (value) | |
29 | set_scoop_gpio(&tosascoop_jc_device.dev, | |
30 | TOSA_SCOOP_JC_CHRG_ERR_LED); | |
31 | else | |
32 | reset_scoop_gpio(&tosascoop_jc_device.dev, | |
33 | TOSA_SCOOP_JC_CHRG_ERR_LED); | |
34 | } | |
35 | ||
36 | static void tosaled_green_set(struct led_classdev *led_cdev, | |
37 | enum led_brightness value) | |
38 | { | |
39 | if (value) | |
40 | set_scoop_gpio(&tosascoop_jc_device.dev, | |
41 | TOSA_SCOOP_JC_NOTE_LED); | |
42 | else | |
43 | reset_scoop_gpio(&tosascoop_jc_device.dev, | |
44 | TOSA_SCOOP_JC_NOTE_LED); | |
45 | } | |
46 | ||
47 | static struct led_classdev tosa_amber_led = { | |
6c152bee | 48 | .name = "tosa:amber:charge", |
6d0cf3e0 DO |
49 | .default_trigger = "sharpsl-charge", |
50 | .brightness_set = tosaled_amber_set, | |
51 | }; | |
52 | ||
53 | static struct led_classdev tosa_green_led = { | |
6c152bee | 54 | .name = "tosa:green:mail", |
6d0cf3e0 DO |
55 | .default_trigger = "nand-disk", |
56 | .brightness_set = tosaled_green_set, | |
57 | }; | |
58 | ||
59 | #ifdef CONFIG_PM | |
60 | static int tosaled_suspend(struct platform_device *dev, pm_message_t state) | |
61 | { | |
62 | #ifdef CONFIG_LEDS_TRIGGERS | |
63 | if (tosa_amber_led.trigger && strcmp(tosa_amber_led.trigger->name, | |
64 | "sharpsl-charge")) | |
65 | #endif | |
66 | led_classdev_suspend(&tosa_amber_led); | |
67 | led_classdev_suspend(&tosa_green_led); | |
68 | return 0; | |
69 | } | |
70 | ||
71 | static int tosaled_resume(struct platform_device *dev) | |
72 | { | |
73 | led_classdev_resume(&tosa_amber_led); | |
74 | led_classdev_resume(&tosa_green_led); | |
75 | return 0; | |
76 | } | |
77 | #else | |
78 | #define tosaled_suspend NULL | |
79 | #define tosaled_resume NULL | |
80 | #endif | |
81 | ||
82 | static int tosaled_probe(struct platform_device *pdev) | |
83 | { | |
84 | int ret; | |
85 | ||
86 | ret = led_classdev_register(&pdev->dev, &tosa_amber_led); | |
87 | if (ret < 0) | |
88 | return ret; | |
89 | ||
90 | ret = led_classdev_register(&pdev->dev, &tosa_green_led); | |
91 | if (ret < 0) | |
92 | led_classdev_unregister(&tosa_amber_led); | |
93 | ||
94 | return ret; | |
95 | } | |
96 | ||
97 | static int tosaled_remove(struct platform_device *pdev) | |
98 | { | |
99 | led_classdev_unregister(&tosa_amber_led); | |
100 | led_classdev_unregister(&tosa_green_led); | |
101 | ||
102 | return 0; | |
103 | } | |
104 | ||
105 | static struct platform_driver tosaled_driver = { | |
106 | .probe = tosaled_probe, | |
107 | .remove = tosaled_remove, | |
108 | .suspend = tosaled_suspend, | |
109 | .resume = tosaled_resume, | |
110 | .driver = { | |
111 | .name = "tosa-led", | |
112 | }, | |
113 | }; | |
114 | ||
115 | static int __init tosaled_init(void) | |
116 | { | |
117 | return platform_driver_register(&tosaled_driver); | |
118 | } | |
119 | ||
120 | static void __exit tosaled_exit(void) | |
121 | { | |
122 | platform_driver_unregister(&tosaled_driver); | |
123 | } | |
124 | ||
125 | module_init(tosaled_init); | |
126 | module_exit(tosaled_exit); | |
127 | ||
128 | MODULE_AUTHOR("Dirk Opfer <Dirk@Opfer-Online.de>"); | |
129 | MODULE_DESCRIPTION("Tosa LED driver"); | |
130 | MODULE_LICENSE("GPL"); |