Add generic gpio support to rdc, convert the led driver to be a platform driver,...

[openwrt/svn-archive/archive.git] / target / linux / rdc-2.6 / files / drivers / leds / leds-rdc3211.c

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 b98b43a5b5f7e505523f292ed086fa214994f46c..b45a10e0a69d99a0be0cdce497713014ea7a168f 100644 (file)
--- 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");