diff options
Diffstat (limited to 'drivers/leds')
-rw-r--r-- | drivers/leds/Kconfig | 7 | ||||
-rw-r--r-- | drivers/leds/Makefile | 1 | ||||
-rw-r--r-- | drivers/leds/leds-locomo.c | 95 |
3 files changed, 103 insertions, 0 deletions
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index f7846b40c84..6099e32985a 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig | |||
@@ -29,6 +29,13 @@ config LEDS_CORGI | |||
29 | This option enables support for the LEDs on Sharp Zaurus | 29 | This option enables support for the LEDs on Sharp Zaurus |
30 | SL-C7x0 series (C700, C750, C760, C860). | 30 | SL-C7x0 series (C700, C750, C760, C860). |
31 | 31 | ||
32 | config LEDS_LOCOMO | ||
33 | tristate "LED Support for Locomo device" | ||
34 | depends LEDS_CLASS && SHARP_LOCOMO | ||
35 | help | ||
36 | This option enables support for the LEDs on Sharp Locomo. | ||
37 | Zaurus models SL-5500 and SL-5600. | ||
38 | |||
32 | config LEDS_SPITZ | 39 | config LEDS_SPITZ |
33 | tristate "LED Support for the Sharp SL-Cxx00 series" | 40 | tristate "LED Support for the Sharp SL-Cxx00 series" |
34 | depends LEDS_CLASS && PXA_SHARP_Cxx00 | 41 | depends LEDS_CLASS && PXA_SHARP_Cxx00 |
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index cb5d0ada6a8..d60e12b8af2 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile | |||
@@ -6,6 +6,7 @@ obj-$(CONFIG_LEDS_TRIGGERS) += led-triggers.o | |||
6 | 6 | ||
7 | # LED Platform Drivers | 7 | # LED Platform Drivers |
8 | obj-$(CONFIG_LEDS_CORGI) += leds-corgi.o | 8 | obj-$(CONFIG_LEDS_CORGI) += leds-corgi.o |
9 | obj-$(CONFIG_LEDS_LOCOMO) += leds-locomo.o | ||
9 | obj-$(CONFIG_LEDS_SPITZ) += leds-spitz.o | 10 | obj-$(CONFIG_LEDS_SPITZ) += leds-spitz.o |
10 | 11 | ||
11 | # LED Triggers | 12 | # LED Triggers |
diff --git a/drivers/leds/leds-locomo.c b/drivers/leds/leds-locomo.c new file mode 100644 index 00000000000..749a86c2adb --- /dev/null +++ b/drivers/leds/leds-locomo.c | |||
@@ -0,0 +1,95 @@ | |||
1 | /* | ||
2 | * linux/drivers/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/config.h> | ||
12 | #include <linux/kernel.h> | ||
13 | #include <linux/init.h> | ||
14 | #include <linux/device.h> | ||
15 | #include <linux/leds.h> | ||
16 | |||
17 | #include <asm/hardware.h> | ||
18 | #include <asm/hardware/locomo.h> | ||
19 | |||
20 | static void locomoled_brightness_set(struct led_classdev *led_cdev, | ||
21 | enum led_brightness value, int offset) | ||
22 | { | ||
23 | struct locomo_dev *locomo_dev = LOCOMO_DEV(led_cdev->class_dev->dev); | ||
24 | unsigned long flags; | ||
25 | |||
26 | local_irq_save(flags); | ||
27 | if (value) | ||
28 | locomo_writel(LOCOMO_LPT_TOFH, locomo_dev->mapbase + offset); | ||
29 | else | ||
30 | locomo_writel(LOCOMO_LPT_TOFL, locomo_dev->mapbase + offset); | ||
31 | local_irq_restore(flags); | ||
32 | } | ||
33 | |||
34 | static void locomoled_brightness_set0(struct led_classdev *led_cdev, | ||
35 | enum led_brightness value) | ||
36 | { | ||
37 | locomoled_brightness_set(led_cdev, value, LOCOMO_LPT0); | ||
38 | } | ||
39 | |||
40 | static void locomoled_brightness_set1(struct led_classdev *led_cdev, | ||
41 | enum led_brightness value) | ||
42 | { | ||
43 | locomoled_brightness_set(led_cdev, value, LOCOMO_LPT1); | ||
44 | } | ||
45 | |||
46 | static struct led_classdev locomo_led0 = { | ||
47 | .name = "locomo:amber", | ||
48 | .brightness_set = locomoled_brightness_set0, | ||
49 | }; | ||
50 | |||
51 | static struct led_classdev locomo_led1 = { | ||
52 | .name = "locomo:green", | ||
53 | .brightness_set = locomoled_brightness_set1, | ||
54 | }; | ||
55 | |||
56 | static int locomoled_probe(struct locomo_dev *ldev) | ||
57 | { | ||
58 | int ret; | ||
59 | |||
60 | ret = led_classdev_register(&ldev->dev, &locomo_led0); | ||
61 | if (ret < 0) | ||
62 | return ret; | ||
63 | |||
64 | ret = led_classdev_register(&ldev->dev, &locomo_led1); | ||
65 | if (ret < 0) | ||
66 | led_classdev_unregister(&locomo_led0); | ||
67 | |||
68 | return ret; | ||
69 | } | ||
70 | |||
71 | static int locomoled_remove(struct locomo_dev *dev) | ||
72 | { | ||
73 | led_classdev_unregister(&locomo_led0); | ||
74 | led_classdev_unregister(&locomo_led1); | ||
75 | return 0; | ||
76 | } | ||
77 | |||
78 | static struct locomo_driver locomoled_driver = { | ||
79 | .drv = { | ||
80 | .name = "locomoled" | ||
81 | }, | ||
82 | .devid = LOCOMO_DEVID_LED, | ||
83 | .probe = locomoled_probe, | ||
84 | .remove = locomoled_remove, | ||
85 | }; | ||
86 | |||
87 | static int __init locomoled_init(void) | ||
88 | { | ||
89 | return locomo_driver_register(&locomoled_driver); | ||
90 | } | ||
91 | module_init(locomoled_init); | ||
92 | |||
93 | MODULE_AUTHOR("John Lenz <lenz@cs.wisc.edu>"); | ||
94 | MODULE_DESCRIPTION("Locomo LED driver"); | ||
95 | MODULE_LICENSE("GPL"); | ||