[RFC PATCH 5/8] LED: Add LED device support for the Zaurus corgi and spitz models

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>
Acked-by: Pavel Machek <pavel@xxxxxxx>

Index: linux-2.6.15-rc2/arch/arm/mach-pxa/corgi.c
===================================================================
--- linux-2.6.15-rc2.orig/arch/arm/mach-pxa/corgi.c 2005-12-05 09:53:15.000000000 +0000
+++ linux-2.6.15-rc2/arch/arm/mach-pxa/corgi.c 2005-12-05 10:01:59.000000000 +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[] = {
@@ -299,6 +308,7 @@
&corgikbd_device,
&corgibl_device,
&corgits_device,
+ &corgiled_device,
};

static void __init corgi_init(void)
Index: linux-2.6.15-rc2/drivers/leds/corgi.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.15-rc2/drivers/leds/corgi.c 2005-12-05 10:16:52.000000000 +0000
@@ -0,0 +1,121 @@
+/*
+ * LED Triggers Core
+ *
+ * Copyright 2005 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, int 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, int 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
+ leds_device_suspend(&corgi_amber_led);
+ leds_device_suspend(&corgi_green_led);
+ return 0;
+}
+
+static int corgiled_resume(struct platform_device *dev)
+{
+ leds_device_resume(&corgi_amber_led);
+ leds_device_resume(&corgi_green_led);
+ return 0;
+}
+#endif
+
+static int corgiled_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ ret = leds_device_register(&pdev->dev, &corgi_amber_led);
+ if (ret < 0)
+ return ret;
+
+ ret = leds_device_register(&pdev->dev, &corgi_green_led);
+ if (ret < 0)
+ leds_device_unregister(&corgi_amber_led);
+
+ return ret;
+}
+
+static int corgiled_remove(struct platform_device *pdev)
+{
+ leds_device_unregister(&corgi_amber_led);
+ leds_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@xxxxxxxxx>");
+MODULE_DESCRIPTION("Corgi LED driver");
+MODULE_LICENSE("GPL");
Index: linux-2.6.15-rc2/drivers/leds/spitz.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.15-rc2/drivers/leds/spitz.c 2005-12-05 10:17:19.000000000 +0000
@@ -0,0 +1,125 @@
+/*
+ * LED Triggers Core
+ *
+ * Copyright 2005 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, int 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, int 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 = "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
+ leds_device_suspend(&spitz_amber_led);
+ leds_device_suspend(&spitz_green_led);
+ return 0;
+}
+
+static int spitzled_resume(struct platform_device *dev)
+{
+ leds_device_resume(&spitz_amber_led);
+ leds_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 = leds_device_register(&pdev->dev, &spitz_amber_led);
+ if (ret < 0)
+ return ret;
+
+ ret = leds_device_register(&pdev->dev, &spitz_green_led);
+ if (ret < 0)
+ leds_device_unregister(&spitz_amber_led);
+
+ return ret;
+}
+
+static int spitzled_remove(struct platform_device *pdev)
+{
+ leds_device_unregister(&spitz_amber_led);
+ leds_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@xxxxxxxxx>");
+MODULE_DESCRIPTION("Spitz LED driver");
+MODULE_LICENSE("GPL");
Index: linux-2.6.15-rc2/arch/arm/mach-pxa/spitz.c
===================================================================
--- linux-2.6.15-rc2.orig/arch/arm/mach-pxa/spitz.c 2005-12-05 09:53:15.000000000 +0000
+++ linux-2.6.15-rc2/arch/arm/mach-pxa/spitz.c 2005-12-05 10:01:59.000000000 +0000
@@ -241,6 +241,15 @@


/*
+ * Spitz LEDs
+ */
+static struct platform_device spitzled_device = {
+ .name = "spitz-led",
+ .id = -1,
+};
+
+
+/*
* Spitz Touch Screen Device
*/
static struct resource spitzts_resources[] = {
@@ -418,6 +427,7 @@
&spitzkbd_device,
&spitzts_device,
&spitzbl_device,
+ &spitzled_device,
};

static void __init common_init(void)
Index: linux-2.6.15-rc2/drivers/leds/Kconfig
===================================================================
--- linux-2.6.15-rc2.orig/drivers/leds/Kconfig 2005-12-05 10:01:57.000000000 +0000
+++ linux-2.6.15-rc2/drivers/leds/Kconfig 2005-12-05 10:01:59.000000000 +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-rc2/drivers/leds/Makefile
===================================================================
--- linux-2.6.15-rc2.orig/drivers/leds/Makefile 2005-12-05 10:01:57.000000000 +0000
+++ linux-2.6.15-rc2/drivers/leds/Makefile 2005-12-05 10:01:59.000000000 +0000
@@ -4,5 +4,9 @@
obj-$(CONFIG_LEDS_CLASS) += led_class.o
obj-$(CONFIG_LEDS_TRIGGERS) += led_triggers.o

+# LED Platform Drivers
+obj-$(CONFIG_LEDS_CORGI) += corgi.o
+obj-$(CONFIG_LEDS_SPITZ) += spitz.o
+
# LED Triggers
obj-$(CONFIG_LEDS_TRIGGER_TIMER) += trig_timer.o


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