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author | Florian Fainelli <florian@openwrt.org> | 2007-08-06 14:15:57 +0000 |
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committer | Florian Fainelli <florian@openwrt.org> | 2007-08-06 14:15:57 +0000 |
commit | c67a2d03b1cc0911340f8cc1848dc667b43f036f (patch) | |
tree | 6cacae14aefd2165449806a588da78bbea54ee72 /target/linux/rdc-2.6/files/drivers | |
parent | a0925def9c62643bb9ad2d8f8f6fa76358305ef6 (diff) | |
download | master-187ad058-c67a2d03b1cc0911340f8cc1848dc667b43f036f.tar.gz master-187ad058-c67a2d03b1cc0911340f8cc1848dc667b43f036f.tar.bz2 master-187ad058-c67a2d03b1cc0911340f8cc1848dc667b43f036f.zip |
Add generic gpio support to rdc, convert the led driver to be a platform driver, need to convert the flash driver as well
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8348 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/rdc-2.6/files/drivers')
-rw-r--r-- | target/linux/rdc-2.6/files/drivers/leds/leds-rdc3211.c | 87 |
1 files changed, 27 insertions, 60 deletions
diff --git a/target/linux/rdc-2.6/files/drivers/leds/leds-rdc3211.c b/target/linux/rdc-2.6/files/drivers/leds/leds-rdc3211.c index b98b43a5b5..b45a10e0a6 100644 --- a/target/linux/rdc-2.6/files/drivers/leds/leds-rdc3211.c +++ b/target/linux/rdc-2.6/files/drivers/leds/leds-rdc3211.c @@ -10,100 +10,67 @@ */ #include <linux/kernel.h> +#include <linux/module.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/leds.h> #include <linux/err.h> +#include <linux/delay.h> #include <asm/io.h> +#include <asm/gpio.h> -#define LED_VAL 0x8000384C // the data ofset of gpio 0~30 +int gpio; +module_param(gpio, int, 0444); +MODULE_PARM_DESC(gpio, " GPIO line"); -static struct platform_device *pdev; - -static void rdc3211_led_set(struct led_classdev *led_cdev, enum led_brightness brightness) +static void rdc321x_led_set(struct led_classdev *led_cdev, enum led_brightness brightness) { - unsigned long ul_ledstat = 0xffffffff; - unsigned long led_bit = 1 << (led_cdev->flags); - - if (brightness) - ul_ledstat &= ~led_bit; - else - ul_ledstat|= led_bit; - - outl(LED_VAL, 0xcf8); - outl(ul_ledstat, 0xcfc); + gpio_set_value(gpio, brightness ? 1 : 0); } -static struct led_classdev rdc3211_power_led = { - .name = "rdc3211:power", - .flags = 15, - .brightness_set = rdc3211_led_set, +static struct led_classdev rdc321x_dmz_led = { + .name = "rdc321x:dmz", + .brightness_set = rdc321x_led_set, }; -static struct led_classdev rdc3211_dmz_led = { - .name = "rdc3211:dmz", - .flags = 16, - .brightness_set = rdc3211_led_set, -}; - -static int rdc3211_leds_probe(struct platform_device *pdev) +static int rdc321x_leds_probe(struct platform_device *pdev) { - int ret; - - ret = led_classdev_register(&pdev->dev, &rdc3211_power_led); - if (ret < 0) - return ret; - - ret = led_classdev_register(&pdev->dev, &rdc3211_dmz_led); - if (ret < 0) - led_classdev_unregister(&rdc3211_power_led); - - return ret; + return led_classdev_register(&pdev->dev, &rdc321x_dmz_led); } -static int rdc3211_leds_remove(struct platform_device *pdev) +static int rdc321x_leds_remove(struct platform_device *pdev) { - led_classdev_unregister(&rdc3211_power_led); - led_classdev_unregister(&rdc3211_dmz_led); + led_classdev_unregister(&rdc321x_dmz_led); return 0; } -static struct platform_driver rdc3211_leds_driver = { - .probe = rdc3211_leds_probe, - .remove = rdc3211_leds_remove, +static struct platform_driver rdc321x_leds_driver = { + .probe = rdc321x_leds_probe, + .remove = rdc321x_leds_remove, .driver = { - .name = "rdc3211-leds", + .name = "rdc321x-leds", + .owner = THIS_MODULE, } }; -static int __init rdc3211_leds_init(void) +static int __init rdc321x_leds_init(void) { int ret; - ret = platform_driver_register(&rdc3211_leds_driver); - if (ret < 0) - goto out; - - pdev = platform_device_register_simple("rdc3211-leds", -1, NULL, 0); - if (IS_ERR(pdev)) { - ret = PTR_ERR(pdev); - platform_driver_unregister(&rdc3211_leds_driver); - goto out; - } + ret = platform_driver_register(&rdc321x_leds_driver); -out: return ret; } -static void __exit rdc3211_leds_exit(void) +static void __exit rdc321x_leds_exit(void) { - platform_driver_unregister(&rdc3211_leds_driver); + platform_driver_unregister(&rdc321x_leds_driver); } -module_init(rdc3211_leds_init); -module_exit(rdc3211_leds_exit); +module_init(rdc321x_leds_init); +module_exit(rdc321x_leds_exit); MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); -MODULE_DESCRIPTION("RDC3211 LED driver"); +MODULE_DESCRIPTION("RDC321x LED driver"); MODULE_LICENSE("GPL"); |