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Diffstat (limited to 'drivers/leds/leds-corgi.c')
-rw-r--r--drivers/leds/leds-corgi.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/drivers/leds/leds-corgi.c b/drivers/leds/leds-corgi.c
new file mode 100644
index 0000000..bb7d84d
--- /dev/null
+++ b/drivers/leds/leds-corgi.c
@@ -0,0 +1,121 @@
+/*
+ * LED Triggers Core
+ *
+ * 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/config.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <asm/mach-types.h>
+#include <asm/arch/corgi.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/hardware/scoop.h>
+
+static void corgiled_amber_set(struct led_classdev *led_cdev, enum led_brightness value)
+{
+ if (value)
+ GPSR0 = GPIO_bit(CORGI_GPIO_LED_ORANGE);
+ else
+ GPCR0 = GPIO_bit(CORGI_GPIO_LED_ORANGE);
+}
+
+static void corgiled_green_set(struct led_classdev *led_cdev, enum led_brightness value)
+{
+ if (value)
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
+ else
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
+}
+
+static struct led_classdev corgi_amber_led = {
+ .name = "corgi:amber",
+ .default_trigger = "sharpsl-charge",
+ .brightness_set = corgiled_amber_set,
+};
+
+static struct led_classdev corgi_green_led = {
+ .name = "corgi:green",
+ .default_trigger = "nand-disk",
+ .brightness_set = corgiled_green_set,
+};
+
+#ifdef CONFIG_PM
+static int corgiled_suspend(struct platform_device *dev, pm_message_t state)
+{
+#ifdef CONFIG_LEDS_TRIGGERS
+ if (corgi_amber_led.trigger && strcmp(corgi_amber_led.trigger->name, "sharpsl-charge"))
+#endif
+ led_classdev_suspend(&corgi_amber_led);
+ led_classdev_suspend(&corgi_green_led);
+ return 0;
+}
+
+static int corgiled_resume(struct platform_device *dev)
+{
+ led_classdev_resume(&corgi_amber_led);
+ led_classdev_resume(&corgi_green_led);
+ return 0;
+}
+#endif
+
+static int corgiled_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ ret = led_classdev_register(&pdev->dev, &corgi_amber_led);
+ if (ret < 0)
+ return ret;
+
+ ret = led_classdev_register(&pdev->dev, &corgi_green_led);
+ if (ret < 0)
+ led_classdev_unregister(&corgi_amber_led);
+
+ return ret;
+}
+
+static int corgiled_remove(struct platform_device *pdev)
+{
+ led_classdev_unregister(&corgi_amber_led);
+ led_classdev_unregister(&corgi_green_led);
+ return 0;
+}
+
+static struct platform_driver corgiled_driver = {
+ .probe = corgiled_probe,
+ .remove = corgiled_remove,
+#ifdef CONFIG_PM
+ .suspend = corgiled_suspend,
+ .resume = corgiled_resume,
+#endif
+ .driver = {
+ .name = "corgi-led",
+ },
+};
+
+static int __init corgiled_init(void)
+{
+ return platform_driver_register(&corgiled_driver);
+}
+
+static void __exit corgiled_exit(void)
+{
+ platform_driver_unregister(&corgiled_driver);
+}
+
+module_init(corgiled_init);
+module_exit(corgiled_exit);
+
+MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>");
+MODULE_DESCRIPTION("Corgi LED driver");
+MODULE_LICENSE("GPL");
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