Contributors: 8
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Rod Whitby |
601 |
83.01% |
1 |
12.50% |
| Sven Wegener |
33 |
4.56% |
1 |
12.50% |
| Richard Purdie |
30 |
4.14% |
1 |
12.50% |
| Krzysztof Hałasa |
24 |
3.31% |
1 |
12.50% |
| Vaishali Thakkar |
21 |
2.90% |
1 |
12.50% |
| Jingoo Han |
10 |
1.38% |
1 |
12.50% |
| Paul Gortmaker |
3 |
0.41% |
1 |
12.50% |
| Axel Lin |
2 |
0.28% |
1 |
12.50% |
| Total |
724 |
|
8 |
|
/*
* LED Driver for the Freecom FSG-3
*
* Copyright (c) 2008 Rod Whitby <rod@whitby.id.au>
*
* Author: Rod Whitby <rod@whitby.id.au>
*
* Based on leds-spitz.c
* Copyright 2005-2006 Openedhand Ltd.
* Author: Richard Purdie <rpurdie@openedhand.com>
*
* 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/platform_device.h>
#include <linux/leds.h>
#include <linux/module.h>
#include <linux/io.h>
#include <mach/hardware.h>
#define FSG_LED_WLAN_BIT 0
#define FSG_LED_WAN_BIT 1
#define FSG_LED_SATA_BIT 2
#define FSG_LED_USB_BIT 4
#define FSG_LED_RING_BIT 5
#define FSG_LED_SYNC_BIT 7
static short __iomem *latch_address;
static unsigned short latch_value;
static void fsg_led_wlan_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
if (value) {
latch_value &= ~(1 << FSG_LED_WLAN_BIT);
*latch_address = latch_value;
} else {
latch_value |= (1 << FSG_LED_WLAN_BIT);
*latch_address = latch_value;
}
}
static void fsg_led_wan_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
if (value) {
latch_value &= ~(1 << FSG_LED_WAN_BIT);
*latch_address = latch_value;
} else {
latch_value |= (1 << FSG_LED_WAN_BIT);
*latch_address = latch_value;
}
}
static void fsg_led_sata_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
if (value) {
latch_value &= ~(1 << FSG_LED_SATA_BIT);
*latch_address = latch_value;
} else {
latch_value |= (1 << FSG_LED_SATA_BIT);
*latch_address = latch_value;
}
}
static void fsg_led_usb_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
if (value) {
latch_value &= ~(1 << FSG_LED_USB_BIT);
*latch_address = latch_value;
} else {
latch_value |= (1 << FSG_LED_USB_BIT);
*latch_address = latch_value;
}
}
static void fsg_led_sync_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
if (value) {
latch_value &= ~(1 << FSG_LED_SYNC_BIT);
*latch_address = latch_value;
} else {
latch_value |= (1 << FSG_LED_SYNC_BIT);
*latch_address = latch_value;
}
}
static void fsg_led_ring_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
if (value) {
latch_value &= ~(1 << FSG_LED_RING_BIT);
*latch_address = latch_value;
} else {
latch_value |= (1 << FSG_LED_RING_BIT);
*latch_address = latch_value;
}
}
static struct led_classdev fsg_wlan_led = {
.name = "fsg:blue:wlan",
.brightness_set = fsg_led_wlan_set,
.flags = LED_CORE_SUSPENDRESUME,
};
static struct led_classdev fsg_wan_led = {
.name = "fsg:blue:wan",
.brightness_set = fsg_led_wan_set,
.flags = LED_CORE_SUSPENDRESUME,
};
static struct led_classdev fsg_sata_led = {
.name = "fsg:blue:sata",
.brightness_set = fsg_led_sata_set,
.flags = LED_CORE_SUSPENDRESUME,
};
static struct led_classdev fsg_usb_led = {
.name = "fsg:blue:usb",
.brightness_set = fsg_led_usb_set,
.flags = LED_CORE_SUSPENDRESUME,
};
static struct led_classdev fsg_sync_led = {
.name = "fsg:blue:sync",
.brightness_set = fsg_led_sync_set,
.flags = LED_CORE_SUSPENDRESUME,
};
static struct led_classdev fsg_ring_led = {
.name = "fsg:blue:ring",
.brightness_set = fsg_led_ring_set,
.flags = LED_CORE_SUSPENDRESUME,
};
static int fsg_led_probe(struct platform_device *pdev)
{
int ret;
/* Map the LED chip select address space */
latch_address = (unsigned short *) devm_ioremap(&pdev->dev,
IXP4XX_EXP_BUS_BASE(2), 512);
if (!latch_address)
return -ENOMEM;
latch_value = 0xffff;
*latch_address = latch_value;
ret = devm_led_classdev_register(&pdev->dev, &fsg_wlan_led);
if (ret < 0)
return ret;
ret = devm_led_classdev_register(&pdev->dev, &fsg_wan_led);
if (ret < 0)
return ret;
ret = devm_led_classdev_register(&pdev->dev, &fsg_sata_led);
if (ret < 0)
return ret;
ret = devm_led_classdev_register(&pdev->dev, &fsg_usb_led);
if (ret < 0)
return ret;
ret = devm_led_classdev_register(&pdev->dev, &fsg_sync_led);
if (ret < 0)
return ret;
ret = devm_led_classdev_register(&pdev->dev, &fsg_ring_led);
if (ret < 0)
return ret;
return ret;
}
static struct platform_driver fsg_led_driver = {
.probe = fsg_led_probe,
.driver = {
.name = "fsg-led",
},
};
module_platform_driver(fsg_led_driver);
MODULE_AUTHOR("Rod Whitby <rod@whitby.id.au>");
MODULE_DESCRIPTION("Freecom FSG-3 LED driver");
MODULE_LICENSE("GPL");