Rewrite LED driver, enable PCMCIA modules

SVN-Revision: 7185

1 files changed, 109 insertions, 0 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
new file mode 100644
index 0000000..b98b43a
--- /dev/null
+++ b/target/linux/rdc-2.6/files/drivers/leds/leds-rdc3211.c
@@ -0,0 +1,109 @@
+/*
+ * LED driver for RDC3211 boards
+ *
+ * Copyright 2007 Florian Fainelli <florian@openwrt.org>
+ * 
+ * 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/platform_device.h>
+#include <linux/leds.h>
+#include <linux/err.h>
+
+#include <asm/io.h>
+
+#define LED_VAL	0x8000384C    // the data ofset of gpio 0~30
+
+static struct platform_device *pdev;
+
+static void rdc3211_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);
+}
+
+static struct led_classdev rdc3211_power_led = {
+	.name = "rdc3211:power",
+	.flags = 15,
+	.brightness_set = rdc3211_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)
+{
+	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;
+}
+
+static int rdc3211_leds_remove(struct platform_device *pdev)
+{
+	led_classdev_unregister(&rdc3211_power_led);
+	led_classdev_unregister(&rdc3211_dmz_led);
+	return 0;
+}
+
+static struct platform_driver rdc3211_leds_driver = {
+	.probe = rdc3211_leds_probe,
+	.remove = rdc3211_leds_remove,
+	.driver = {
+		.name = "rdc3211-leds",
+	}
+};
+
+static int __init rdc3211_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;
+	}
+
+out:
+	return ret;
+}
+		
+static void __exit rdc3211_leds_exit(void)
+{
+	platform_driver_unregister(&rdc3211_leds_driver);
+}
+
+module_init(rdc3211_leds_init);
+module_exit(rdc3211_leds_exit);
+		
+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
+MODULE_DESCRIPTION("RDC3211 LED driver");
+MODULE_LICENSE("GPL");