[PATCH] LED: add device support for tosa
Adds LED drivers for LEDs found on the Sharp Zaurus c6000 model (tosa).
Signed-off-by: Dirk Opfer <dirk@opfer-online.de>
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/leds/leds-tosa.c b/drivers/leds/leds-tosa.c
new file mode 100644
index 0000000..c9e8cc1
--- /dev/null
+++ b/drivers/leds/leds-tosa.c
@@ -0,0 +1,131 @@
+/*
+ * LED Triggers Core
+ *
+ * Copyright 2005 Dirk Opfer
+ *
+ * Author: Dirk Opfer <Dirk@Opfer-Online.de>
+ * based on spitz.c
+ *
+ * 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/hardware/scoop.h>
+#include <asm/mach-types.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/tosa.h>
+
+static void tosaled_amber_set(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ if (value)
+ set_scoop_gpio(&tosascoop_jc_device.dev,
+ TOSA_SCOOP_JC_CHRG_ERR_LED);
+ else
+ reset_scoop_gpio(&tosascoop_jc_device.dev,
+ TOSA_SCOOP_JC_CHRG_ERR_LED);
+}
+
+static void tosaled_green_set(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ if (value)
+ set_scoop_gpio(&tosascoop_jc_device.dev,
+ TOSA_SCOOP_JC_NOTE_LED);
+ else
+ reset_scoop_gpio(&tosascoop_jc_device.dev,
+ TOSA_SCOOP_JC_NOTE_LED);
+}
+
+static struct led_classdev tosa_amber_led = {
+ .name = "tosa:amber",
+ .default_trigger = "sharpsl-charge",
+ .brightness_set = tosaled_amber_set,
+};
+
+static struct led_classdev tosa_green_led = {
+ .name = "tosa:green",
+ .default_trigger = "nand-disk",
+ .brightness_set = tosaled_green_set,
+};
+
+#ifdef CONFIG_PM
+static int tosaled_suspend(struct platform_device *dev, pm_message_t state)
+{
+#ifdef CONFIG_LEDS_TRIGGERS
+ if (tosa_amber_led.trigger && strcmp(tosa_amber_led.trigger->name,
+ "sharpsl-charge"))
+#endif
+ led_classdev_suspend(&tosa_amber_led);
+ led_classdev_suspend(&tosa_green_led);
+ return 0;
+}
+
+static int tosaled_resume(struct platform_device *dev)
+{
+ led_classdev_resume(&tosa_amber_led);
+ led_classdev_resume(&tosa_green_led);
+ return 0;
+}
+#else
+#define tosaled_suspend NULL
+#define tosaled_resume NULL
+#endif
+
+static int tosaled_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ ret = led_classdev_register(&pdev->dev, &tosa_amber_led);
+ if (ret < 0)
+ return ret;
+
+ ret = led_classdev_register(&pdev->dev, &tosa_green_led);
+ if (ret < 0)
+ led_classdev_unregister(&tosa_amber_led);
+
+ return ret;
+}
+
+static int tosaled_remove(struct platform_device *pdev)
+{
+ led_classdev_unregister(&tosa_amber_led);
+ led_classdev_unregister(&tosa_green_led);
+
+ return 0;
+}
+
+static struct platform_driver tosaled_driver = {
+ .probe = tosaled_probe,
+ .remove = tosaled_remove,
+ .suspend = tosaled_suspend,
+ .resume = tosaled_resume,
+ .driver = {
+ .name = "tosa-led",
+ },
+};
+
+static int __init tosaled_init(void)
+{
+ return platform_driver_register(&tosaled_driver);
+}
+
+static void __exit tosaled_exit(void)
+{
+ platform_driver_unregister(&tosaled_driver);
+}
+
+module_init(tosaled_init);
+module_exit(tosaled_exit);
+
+MODULE_AUTHOR("Dirk Opfer <Dirk@Opfer-Online.de>");
+MODULE_DESCRIPTION("Tosa LED driver");
+MODULE_LICENSE("GPL");