[PATCH 6/11] LED: Add LED device support for the zaurus corgi andspitz models

[Richard Purdie]

Adds LED drivers for LEDs found on the Sharp Zaurus c7x0 (corgi, 
shepherd, husky) and cxx00 (akita, spitz, borzoi) models.

Signed-off-by: Richard Purdie <rpurdie@xxxxxxxxx>

Index: linux-2.6.15/arch/arm/mach-pxa/corgi.c
===================================================================
--- linux-2.6.15.orig/arch/arm/mach-pxa/corgi.c	2006-01-29 16:02:30.000000000 +0000
+++ linux-2.6.15/arch/arm/mach-pxa/corgi.c	2006-01-29 16:11:47.000000000 +0000
@@ -165,6 +165,15 @@
 
 
 /*
+ * Corgi LEDs
+ */
+static struct platform_device corgiled_device = {
+	.name		= "corgi-led",
+	.id		= -1,
+};
+
+
+/*
  * Corgi Touch Screen Device
  */
 static struct resource corgits_resources[] = {
@@ -298,6 +307,7 @@
 	&corgikbd_device,
 	&corgibl_device,
 	&corgits_device,
+	&corgiled_device,
 };
 
 static void __init corgi_init(void)
Index: linux-2.6.15/arch/arm/mach-pxa/spitz.c
===================================================================
--- linux-2.6.15.orig/arch/arm/mach-pxa/spitz.c	2006-01-29 16:02:30.000000000 +0000
+++ linux-2.6.15/arch/arm/mach-pxa/spitz.c	2006-01-29 16:11:48.000000000 +0000
@@ -243,6 +243,15 @@
 
 
 /*
+ * Spitz LEDs
+ */
+static struct platform_device spitzled_device = {
+	.name		= "spitz-led",
+	.id		= -1,
+};
+
+
+/*
  * Spitz Touch Screen Device
  */
 static struct resource spitzts_resources[] = {
@@ -419,6 +428,7 @@
 	&spitzkbd_device,
 	&spitzts_device,
 	&spitzbl_device,
+	&spitzled_device,
 };
 
 static void __init common_init(void)
Index: linux-2.6.15/drivers/leds/Kconfig
===================================================================
--- linux-2.6.15.orig/drivers/leds/Kconfig	2006-01-29 16:04:20.000000000 +0000
+++ linux-2.6.15/drivers/leds/Kconfig	2006-01-29 16:11:54.000000000 +0000
@@ -22,6 +22,20 @@
 	  These triggers allow kernel events to drive the LEDs and can
 	  be configured via sysfs. If unsure, say Y.
 
+config LEDS_CORGI
+	tristate "LED Support for the Sharp SL-C7x0 series"
+	depends LEDS_CLASS && PXA_SHARP_C7xx
+	help
+	  This option enables support for the LEDs on Sharp Zaurus
+	  SL-C7x0 series (C700, C750, C760, C860).
+
+config LEDS_SPITZ
+	tristate "LED Support for the Sharp SL-Cxx00 series"
+	depends LEDS_CLASS && PXA_SHARP_Cxx00
+	help
+	  This option enables support for the LEDs on Sharp Zaurus
+	  SL-Cxx00 series (C1000, C3000, C3100).
+
 config LEDS_TRIGGER_TIMER
 	tristate "LED Timer Trigger"
 	depends LEDS_TRIGGERS
Index: linux-2.6.15/drivers/leds/Makefile
===================================================================
--- linux-2.6.15.orig/drivers/leds/Makefile	2006-01-29 16:04:20.000000000 +0000
+++ linux-2.6.15/drivers/leds/Makefile	2006-01-29 16:11:54.000000000 +0000
@@ -4,5 +4,9 @@
 obj-$(CONFIG_LEDS_CLASS)		+= led-class.o
 obj-$(CONFIG_LEDS_TRIGGERS)		+= led-triggers.o
 
+# LED Platform Drivers
+obj-$(CONFIG_LEDS_CORGI)		+= leds-corgi.o
+obj-$(CONFIG_LEDS_SPITZ)		+= leds-spitz.o
+
 # LED Triggers
 obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o
Index: linux-2.6.15/drivers/leds/leds-corgi.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.15/drivers/leds/leds-corgi.c	2006-01-29 16:08:42.000000000 +0000
@@ -0,0 +1,121 @@
+/*
+ * LED Triggers Core
+ *
+ * Copyright 2005-2006 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <rpurdie@xxxxxxxxxxxxxx>
+ *
+ * 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>
+
+void corgiled_amber_set(struct led_device *led_dev, enum led_brightness value)
+{
+	if (value)
+		GPSR0 = GPIO_bit(CORGI_GPIO_LED_ORANGE);
+	else
+		GPCR0 = GPIO_bit(CORGI_GPIO_LED_ORANGE);
+}
+
+void corgiled_green_set(struct led_device *led_dev, 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);
+}
+
+struct led_device corgi_amber_led = {
+	.name			= "corgi:amber",
+	.default_trigger	= "sharpsl-charge",
+	.brightness_set		= corgiled_amber_set,
+};
+
+struct led_device 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_device_suspend(&corgi_amber_led);
+	led_device_suspend(&corgi_green_led);
+	return 0;
+}
+
+static int corgiled_resume(struct platform_device *dev)
+{
+	led_device_resume(&corgi_amber_led);
+	led_device_resume(&corgi_green_led);
+	return 0;
+}
+#endif
+
+static int corgiled_probe(struct platform_device *pdev)
+{
+	int ret;
+
+	ret = led_device_register(&pdev->dev, &corgi_amber_led);
+	if (ret < 0)
+		return ret;
+
+	ret = led_device_register(&pdev->dev, &corgi_green_led);
+	if (ret < 0)
+		led_device_unregister(&corgi_amber_led);
+
+	return ret;
+}
+
+static int corgiled_remove(struct platform_device *pdev)
+{
+	led_device_unregister(&corgi_amber_led);
+	led_device_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 __devinit corgiled_init(void)
+{
+	return platform_driver_register(&corgiled_driver);
+}
+
+static void corgiled_exit(void)
+{
+ 	platform_driver_unregister(&corgiled_driver);
+}
+
+module_init(corgiled_init);
+module_exit(corgiled_exit);
+
+MODULE_AUTHOR("Richard Purdie <rpurdie@xxxxxxxxxxxxxx>");
+MODULE_DESCRIPTION("Corgi LED driver");
+MODULE_LICENSE("GPL");
Index: linux-2.6.15/drivers/leds/leds-spitz.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.15/drivers/leds/leds-spitz.c	2006-01-29 16:08:09.000000000 +0000
@@ -0,0 +1,125 @@
+/*
+ * LED Triggers Core
+ *
+ * Copyright 2005-2006 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <rpurdie@xxxxxxxxxxxxxx>
+ *
+ * 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/spitz.h>
+
+void spitzled_amber_set(struct led_device *led_dev, enum led_brightness value)
+{
+	if (value)
+		set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_ORANGE);
+	else
+		reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_ORANGE);
+}
+
+void spitzled_green_set(struct led_device *led_dev, enum led_brightness value)
+{
+	if (value)
+		set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN);
+	else
+		reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN);
+}
+
+static struct led_device spitz_amber_led = {
+	.name			= "spitz:amber",
+	.default_trigger	= "sharpsl-charge",
+	.brightness_set		= spitzled_amber_set,
+};
+
+static struct led_device spitz_green_led = {
+	.name			= "spitz:green",
+	.default_trigger	= "ide-disk",
+	.brightness_set		= spitzled_green_set,
+};
+
+#ifdef CONFIG_PM
+static int spitzled_suspend(struct platform_device *dev, pm_message_t state)
+{
+#ifdef CONFIG_LEDS_TRIGGERS
+	if (spitz_amber_led.trigger && strcmp(spitz_amber_led.trigger->name, "sharpsl-charge"))
+#endif
+		led_device_suspend(&spitz_amber_led);
+	led_device_suspend(&spitz_green_led);
+	return 0;
+}
+
+static int spitzled_resume(struct platform_device *dev)
+{
+	led_device_resume(&spitz_amber_led);
+	led_device_resume(&spitz_green_led);
+	return 0;
+}
+#endif
+
+static int spitzled_probe(struct platform_device *pdev)
+{
+	int ret;
+
+	if (machine_is_akita())
+		spitz_green_led.default_trigger = "nand-disk";
+
+	ret = led_device_register(&pdev->dev, &spitz_amber_led);
+	if (ret < 0)
+		return ret;
+
+	ret = led_device_register(&pdev->dev, &spitz_green_led);
+	if (ret < 0)
+		led_device_unregister(&spitz_amber_led);
+
+	return ret;
+}
+
+static int spitzled_remove(struct platform_device *pdev)
+{
+	led_device_unregister(&spitz_amber_led);
+	led_device_unregister(&spitz_green_led);
+
+	return 0;
+}
+
+static struct platform_driver spitzled_driver = {
+	.probe		= spitzled_probe,
+	.remove		= spitzled_remove,
+#ifdef CONFIG_PM
+	.suspend	= spitzled_suspend,
+	.resume		= spitzled_resume,
+#endif
+	.driver		= {
+		.name		= "spitz-led",
+	},
+};
+
+static int __devinit spitzled_init(void)
+{
+	return platform_driver_register(&spitzled_driver);
+}
+
+static void spitzled_exit(void)
+{
+ 	platform_driver_unregister(&spitzled_driver);
+}
+
+module_init(spitzled_init);
+module_exit(spitzled_exit);
+
+MODULE_AUTHOR("Richard Purdie <rpurdie@xxxxxxxxxxxxxx>");
+MODULE_DESCRIPTION("Spitz LED driver");
+MODULE_LICENSE("GPL");


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