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authorflorian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-05-11 16:43:25 +0000
committerflorian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-05-11 16:43:25 +0000
commit495fb6bdbd4929e61198759a8241ee789a69bdaa (patch)
treeb6d7a3b6382268012f1a234aa9c28c5279b83139 /target/linux/rdc-2.6/files/drivers
parenta213a58eeb0c9b6ca7c0c41f7926c89a7f4410a8 (diff)
Rewrite LED driver, enable PCMCIA modules
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7185 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.c109
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 000000000..b98b43a5b
--- /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");