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path: root/packages/linux/linux-2.6.26/mpc8313e-rdb/mpc8313e-rdb-leds.patch
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diff -urN linux-2.6.26.orig/drivers/leds/Kconfig linux-2.6.26/drivers/leds/Kconfig
--- linux-2.6.26.orig/drivers/leds/Kconfig	2008-07-13 23:51:29.000000000 +0200
+++ linux-2.6.26/drivers/leds/Kconfig	2008-08-26 18:41:50.000000000 +0200
@@ -147,6 +147,12 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called leds-clevo-mail.
 
+config LEDS_MPC8313E_RDB
+	tristate "LED Support for MPC8313E-RDB LEDs"
+	depends on LEDS_CLASS && PPC_83xx
+	help
+	  This option enables support for the LEDs on MPC8313E-RDB board.
+
 comment "LED Triggers"
 
 config LEDS_TRIGGERS
diff -urN linux-2.6.26.orig/drivers/leds/leds-mpc8313e-rdb.c linux-2.6.26/drivers/leds/leds-mpc8313e-rdb.c
--- linux-2.6.26.orig/drivers/leds/leds-mpc8313e-rdb.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.26/drivers/leds/leds-mpc8313e-rdb.c	2008-08-26 18:41:50.000000000 +0200
@@ -0,0 +1,173 @@
+/*
+ * drivers/leds/leds-mpc8313e-rdb.c
+ * Copyright (C) 2007-2008 Jeremy Laine <jeremy.laine@bolloretelecom.eu>
+ * Copyright (C) 2007-2008 Leon Woestenberg <leon@sidebranch.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive for
+ * more details.
+ *
+ * MPC8313E-RDB LEDs driver
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/ioport.h>
+#include <linux/leds.h>
+#include <linux/err.h>
+#include <asm/io.h>
+
+/* note the board is not wired for read access from the LED buffer */
+#define LEDS_BASE 0xfa000000
+#define LEDS_SIZE 0x2
+
+static struct platform_device *leds_pdev = NULL;
+static struct resource *led_mem = NULL;
+static void *led_io = NULL;
+static u8 led_state = 0xff;
+
+struct mpc8313_led {
+	struct led_classdev cdev;
+	u8 bitmask;
+};
+
+static void mpc8313leds_set(struct led_classdev *led_cdev, enum led_brightness value)
+{
+	struct mpc8313_led *led_dev = container_of(led_cdev, struct mpc8313_led, cdev);
+	if (value)
+		led_state &= ~led_dev->bitmask;
+	else
+		led_state |= led_dev->bitmask;
+	iowrite8(led_state, led_io);
+}
+
+/* led0 is red, led1 is yellow, led2-7 are green */
+static struct mpc8313_led mpc8313_leds[] = {
+	{
+		.cdev = {
+			.name		= "mpc8313:led0",
+			.brightness_set	= mpc8313leds_set,
+		},
+		.bitmask	= 128,
+	},
+	{
+		.cdev = {
+			.name		= "mpc8313:led1",
+			.brightness_set	= mpc8313leds_set,
+		},
+		.bitmask	= 64,
+	},
+	{
+		.cdev = {
+			.name		= "mpc8313:led2",
+			.brightness_set	= mpc8313leds_set,
+		},
+		.bitmask	= 32,
+	},
+	{
+		.cdev = {
+			.name		= "mpc8313:led3",
+			.brightness_set	= mpc8313leds_set,
+		},
+		.bitmask	= 16,
+	},
+	{
+		.cdev = {
+			.name		= "mpc8313:led4",
+			.brightness_set	= mpc8313leds_set,
+		},
+		.bitmask	= 8,
+	},
+	{
+		.cdev = {
+			.name		= "mpc8313:led5",
+			.brightness_set	= mpc8313leds_set,
+		},
+		.bitmask	= 4,
+	},
+	{
+		.cdev = {
+			.name		= "mpc8313:led6",
+			.brightness_set	= mpc8313leds_set,
+		},
+		.bitmask	= 2,
+	},
+	{
+		.cdev = {
+			.name		= "mpc8313:led7",
+			.brightness_set	= mpc8313leds_set,
+		},
+		.bitmask	= 1,
+	},
+};
+
+static int mpc8313leds_probe(struct platform_device *pdev)
+{
+	int i;
+	int ret;
+       
+	for (i = ret = 0; ret >= 0 && i < ARRAY_SIZE(mpc8313_leds); i++) {
+		ret = led_classdev_register(&pdev->dev,
+			&mpc8313_leds[i].cdev);
+	}
+
+	if (ret < 0 && i > 1) {
+		for (i = i - 2; i >= 0; i--)
+			led_classdev_unregister(&mpc8313_leds[i].cdev);
+	}
+	
+	return ret;
+}
+
+static int mpc8313leds_remove(struct platform_device *pdev)
+{
+	int i;
+
+	for (i = ARRAY_SIZE(mpc8313_leds) - 1; i >= 0; i--)
+		led_classdev_unregister(&mpc8313_leds[i].cdev);
+	
+	return 0;
+}
+
+static struct platform_driver mpc8313leds_driver = {
+	.driver         = {
+		.name   = "mpc8313-leds",
+		.owner  = THIS_MODULE,
+	},
+	.probe          = mpc8313leds_probe,
+	.remove         = mpc8313leds_remove,
+};
+
+static int __init mpc8313leds_init(void)
+{
+	if (!(led_mem = request_mem_region(LEDS_BASE, LEDS_SIZE, "mpc8313-leds")))
+		return -ENOMEM;
+	if (!(led_io = ioremap(LEDS_BASE, LEDS_SIZE)))
+	{
+		release_mem_region(LEDS_BASE, LEDS_SIZE);
+		led_mem = NULL;
+		return -ENOMEM;
+	}
+	iowrite8(led_state, led_io);
+
+	leds_pdev = platform_device_register_simple("mpc8313-leds", -1, NULL, 0);
+
+	return platform_driver_register(&mpc8313leds_driver);
+}
+
+static void __exit mpc8313leds_exit(void)
+{
+	if (led_mem) release_mem_region(LEDS_BASE, LEDS_SIZE);
+	led_mem = NULL;
+	platform_driver_unregister(&mpc8313leds_driver);
+
+	platform_device_unregister(leds_pdev);
+}
+
+module_init(mpc8313leds_init);
+module_exit(mpc8313leds_exit);
+
+MODULE_AUTHOR("Jeremy Laine <jeremy.laine@bolloretelecom.eu>");
+MODULE_DESCRIPTION("MPC8313E-RDB LED driver");
+MODULE_LICENSE("GPL");
diff -urN linux-2.6.26.orig/drivers/leds/Makefile linux-2.6.26/drivers/leds/Makefile
--- linux-2.6.26.orig/drivers/leds/Makefile	2008-07-13 23:51:29.000000000 +0200
+++ linux-2.6.26/drivers/leds/Makefile	2008-08-26 18:42:10.000000000 +0200
@@ -21,6 +21,7 @@
 obj-$(CONFIG_LEDS_CLEVO_MAIL)		+= leds-clevo-mail.o
 obj-$(CONFIG_LEDS_HP6XX)		+= leds-hp6xx.o
 obj-$(CONFIG_LEDS_FSG)			+= leds-fsg.o
+obj-$(CONFIG_LEDS_MPC8313E_RDB)		+= leds-mpc8313e-rdb.o
 
 # LED Triggers
 obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o