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[/] [test_project/] [trunk/] [linux_sd_driver/] [drivers/] [leds/] [leds-locomo.c] - Blame information for rev 62

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/*
 * linux/drivers/leds/leds-locomo.c
 *
 * Copyright (C) 2005 John Lenz <lenz@cs.wisc.edu>
 *
 * 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/device.h>
#include <linux/leds.h>
 
#include <asm/hardware.h>
#include <asm/hardware/locomo.h>
 
static void locomoled_brightness_set(struct led_classdev *led_cdev,
                                enum led_brightness value, int offset)
{
        struct locomo_dev *locomo_dev = LOCOMO_DEV(led_cdev->dev->parent);
        unsigned long flags;
 
        local_irq_save(flags);
        if (value)
                locomo_writel(LOCOMO_LPT_TOFH, locomo_dev->mapbase + offset);
        else
                locomo_writel(LOCOMO_LPT_TOFL, locomo_dev->mapbase + offset);
        local_irq_restore(flags);
}
 
static void locomoled_brightness_set0(struct led_classdev *led_cdev,
                                enum led_brightness value)
{
        locomoled_brightness_set(led_cdev, value, LOCOMO_LPT0);
}
 
static void locomoled_brightness_set1(struct led_classdev *led_cdev,
                                enum led_brightness value)
{
        locomoled_brightness_set(led_cdev, value, LOCOMO_LPT1);
}
 
static struct led_classdev locomo_led0 = {
        .name                   = "locomo:amber",
        .default_trigger        = "sharpsl-charge",
        .brightness_set         = locomoled_brightness_set0,
};
 
static struct led_classdev locomo_led1 = {
        .name                   = "locomo:green",
        .default_trigger        = "nand-disk",
        .brightness_set         = locomoled_brightness_set1,
};
 
static int locomoled_probe(struct locomo_dev *ldev)
{
        int ret;
 
        ret = led_classdev_register(&ldev->dev, &locomo_led0);
        if (ret < 0)
                return ret;
 
        ret = led_classdev_register(&ldev->dev, &locomo_led1);
        if (ret < 0)
                led_classdev_unregister(&locomo_led0);
 
        return ret;
}
 
static int locomoled_remove(struct locomo_dev *dev)
{
        led_classdev_unregister(&locomo_led0);
        led_classdev_unregister(&locomo_led1);
        return 0;
}
 
static struct locomo_driver locomoled_driver = {
        .drv = {
                .name = "locomoled"
        },
        .devid  = LOCOMO_DEVID_LED,
        .probe  = locomoled_probe,
        .remove = locomoled_remove,
};
 
static int __init locomoled_init(void)
{
        return locomo_driver_register(&locomoled_driver);
}
module_init(locomoled_init);
 
MODULE_AUTHOR("John Lenz <lenz@cs.wisc.edu>");
MODULE_DESCRIPTION("Locomo LED driver");
MODULE_LICENSE("GPL");

Line No.	Rev	Author	Line
1	62	marcus.erl	`/*`
2			`* linux/drivers/leds/leds-locomo.c`
3			`*`
4			`* Copyright (C) 2005 John Lenz <lenz@cs.wisc.edu>`
5			`*`
6			`* This program is free software; you can redistribute it and/or modify`
7			`* it under the terms of the GNU General Public License version 2 as`
8			`* published by the Free Software Foundation.`
9			`*/`
10
11			`#include <linux/kernel.h>`
12			`#include <linux/init.h>`
13			`#include <linux/device.h>`
14			`#include <linux/leds.h>`
15
16			`#include <asm/hardware.h>`
17			`#include <asm/hardware/locomo.h>`
18
19			`static void locomoled_brightness_set(struct led_classdev *led_cdev,`
20			`enum led_brightness value, int offset)`
21			`{`
22			`struct locomo_dev *locomo_dev = LOCOMO_DEV(led_cdev->dev->parent);`
23			`unsigned long flags;`
24
25			`local_irq_save(flags);`
26			`if (value)`
27			`locomo_writel(LOCOMO_LPT_TOFH, locomo_dev->mapbase + offset);`
28			`else`
29			`locomo_writel(LOCOMO_LPT_TOFL, locomo_dev->mapbase + offset);`
30			`local_irq_restore(flags);`
31			`}`
32
33			`static void locomoled_brightness_set0(struct led_classdev *led_cdev,`
34			`enum led_brightness value)`
35			`{`
36			`locomoled_brightness_set(led_cdev, value, LOCOMO_LPT0);`
37			`}`
38
39			`static void locomoled_brightness_set1(struct led_classdev *led_cdev,`
40			`enum led_brightness value)`
41			`{`
42			`locomoled_brightness_set(led_cdev, value, LOCOMO_LPT1);`
43			`}`
44
45			`static struct led_classdev locomo_led0 = {`
46			`.name = "locomo:amber",`
47			`.default_trigger = "sharpsl-charge",`
48			`.brightness_set = locomoled_brightness_set0,`
49			`};`
50
51			`static struct led_classdev locomo_led1 = {`
52			`.name = "locomo:green",`
53			`.default_trigger = "nand-disk",`
54			`.brightness_set = locomoled_brightness_set1,`
55			`};`
56
57			`static int locomoled_probe(struct locomo_dev *ldev)`
58			`{`
59			`int ret;`
60
61			`ret = led_classdev_register(&ldev->dev, &locomo_led0);`
62			`if (ret < 0)`
63			`return ret;`
64
65			`ret = led_classdev_register(&ldev->dev, &locomo_led1);`
66			`if (ret < 0)`
67			`led_classdev_unregister(&locomo_led0);`
68
69			`return ret;`
70			`}`
71
72			`static int locomoled_remove(struct locomo_dev *dev)`
73			`{`
74			`led_classdev_unregister(&locomo_led0);`
75			`led_classdev_unregister(&locomo_led1);`
76			`return 0;`
77			`}`
78
79			`static struct locomo_driver locomoled_driver = {`
80			`.drv = {`
81			`.name = "locomoled"`
82			`},`
83			`.devid = LOCOMO_DEVID_LED,`
84			`.probe = locomoled_probe,`
85			`.remove = locomoled_remove,`
86			`};`
87
88			`static int __init locomoled_init(void)`
89			`{`
90			`return locomo_driver_register(&locomoled_driver);`
91			`}`
92			`module_init(locomoled_init);`
93
94			`MODULE_AUTHOR("John Lenz <lenz@cs.wisc.edu>");`
95			`MODULE_DESCRIPTION("Locomo LED driver");`
96			`MODULE_LICENSE("GPL");`

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[/] [test_project/] [trunk/] [linux_sd_driver/] [drivers/] [leds/] [leds-locomo.c] - Blame information for rev 62