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Message-Id: <20070913235441.5bab3d8e.yoichi_yuasa@tripeaks.co.jp>
Date: Thu, 13 Sep 2007 23:54:41 +0900
From: Yoichi Yuasa <yoichi_yuasa@...peaks.co.jp>
To: Richard Purdie <rpurdie@...ys.net>
Cc: yoichi_yuasa@...peaks.co.jp,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH][1/2] led: add Cobalt Raq LEDs support
Add Cobalt Raq LEDs support.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@...peaks.co.jp>
diff -pruN -X mips/Documentation/dontdiff mips-orig/drivers/leds/Kconfig mips/drivers/leds/Kconfig
--- mips-orig/drivers/leds/Kconfig 2007-09-12 12:01:58.027251750 +0900
+++ mips/drivers/leds/Kconfig 2007-09-12 12:04:34.021000750 +0900
@@ -87,11 +87,18 @@ config LEDS_H1940
help
This option enables support for the LEDs on the h1940.
-config LEDS_COBALT
- tristate "LED Support for Cobalt Server front LED"
+config LEDS_COBALT_QUBE
+ tristate "LED Support for Cobalt Qube front LED"
depends on LEDS_CLASS && MIPS_COBALT
help
- This option enables support for the front LED on Cobalt Server
+ This option enables support for the front LEDs on Cobalt Qube/Qube2.
+
+config LEDS_COBALT_RAQ
+ bool "LED Support for Cobalt Raq series"
+ depends on LEDS_CLASS && MIPS_COBALT
+ select LEDS_TRIGGERS
+ help
+ This option enables support for LEDs on the Cobalt Raq series.
config LEDS_GPIO
tristate "LED Support for GPIO connected LEDs"
diff -pruN -X mips/Documentation/dontdiff mips-orig/drivers/leds/Makefile mips/drivers/leds/Makefile
--- mips-orig/drivers/leds/Makefile 2007-09-12 12:01:58.035252250 +0900
+++ mips/drivers/leds/Makefile 2007-09-12 12:04:34.021000750 +0900
@@ -15,7 +15,8 @@ obj-$(CONFIG_LEDS_AMS_DELTA) += leds-am
obj-$(CONFIG_LEDS_NET48XX) += leds-net48xx.o
obj-$(CONFIG_LEDS_WRAP) += leds-wrap.o
obj-$(CONFIG_LEDS_H1940) += leds-h1940.o
-obj-$(CONFIG_LEDS_COBALT) += leds-cobalt.o
+obj-$(CONFIG_LEDS_COBALT_QUBE) += leds-cobalt-qube.o
+obj-$(CONFIG_LEDS_COBALT_RAQ) += leds-cobalt-raq.o
obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o
# LED Triggers
diff -pruN -X mips/Documentation/dontdiff mips-orig/drivers/leds/leds-cobalt-qube.c mips/drivers/leds/leds-cobalt-qube.c
--- mips-orig/drivers/leds/leds-cobalt-qube.c 1970-01-01 09:00:00.000000000 +0900
+++ mips/drivers/leds/leds-cobalt-qube.c 2007-09-12 13:29:20.088085000 +0900
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2006 - Florian Fainelli <florian@...nwrt.org>
+ *
+ * Control the Cobalt Qube/RaQ front LED
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/leds.h>
+#include <asm/mach-cobalt/cobalt.h>
+
+static void cobalt_led_set(struct led_classdev *led_cdev, enum led_brightness brightness)
+{
+ if (brightness)
+ COBALT_LED_PORT = COBALT_LED_BAR_LEFT | COBALT_LED_BAR_RIGHT;
+ else
+ COBALT_LED_PORT = 0;
+}
+
+static struct led_classdev cobalt_led = {
+ .name = "cobalt-front-led",
+ .brightness_set = cobalt_led_set,
+ .default_trigger = "ide-disk",
+};
+
+static int __init cobalt_led_init(void)
+{
+ return led_classdev_register(NULL, &cobalt_led);
+}
+
+static void __exit cobalt_led_exit(void)
+{
+ led_classdev_unregister(&cobalt_led);
+}
+
+module_init(cobalt_led_init);
+module_exit(cobalt_led_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Front LED support for Cobalt Server");
+MODULE_AUTHOR("Florian Fainelli <florian@...nwrt.org>");
diff -pruN -X mips/Documentation/dontdiff mips-orig/drivers/leds/leds-cobalt-raq.c mips/drivers/leds/leds-cobalt-raq.c
--- mips-orig/drivers/leds/leds-cobalt-raq.c 1970-01-01 09:00:00.000000000 +0900
+++ mips/drivers/leds/leds-cobalt-raq.c 2007-09-12 12:04:34.021000750 +0900
@@ -0,0 +1,135 @@
+/*
+ * Cobalt Raq/Raq2 LED driver.
+ *
+ * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@...peaks.co.jp>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/leds.h>
+#include <linux/platform_device.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <asm/io.h>
+
+#define LED_WEB 0x04
+#define LED_POWER_OFF 0x08
+
+static void __iomem *led_port;
+static u8 led_value;
+DEFINE_SPINLOCK(raq_led_lock);
+
+static void raq_web_led_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ spin_lock_irq(&raq_led_lock);
+
+ if (brightness)
+ led_value |= LED_WEB;
+ else
+ led_value &= ~LED_WEB;
+ writeb(led_value, led_port);
+
+ spin_unlock_irq(&raq_led_lock);
+}
+
+static struct led_classdev raq_web_led = {
+ .name = "raq-web-led",
+ .brightness_set = raq_web_led_set,
+};
+
+static void raq_power_off_led_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ spin_lock_irq(&raq_led_lock);
+
+ if (brightness)
+ led_value |= LED_POWER_OFF;
+ else
+ led_value &= ~LED_POWER_OFF;
+ writeb(led_value, led_port);
+
+ spin_unlock_irq(&raq_led_lock);
+}
+
+static struct led_classdev raq_power_off_led = {
+ .name = "raq-power-off-led",
+ .brightness_set = raq_power_off_led_set,
+ .default_trigger = "power-off",
+};
+
+static int __devinit cobalt_raq_led_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+ int retval;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -EBUSY;
+
+ led_port = ioremap(res->start, res->end - res->start + 1);
+ if (!led_port)
+ return -ENOMEM;
+
+ retval = led_classdev_register(&pdev->dev, &raq_power_off_led);
+ if (retval)
+ goto err_iounmap;
+
+ retval = led_classdev_register(&pdev->dev, &raq_web_led);
+ if (retval)
+ goto err_unregister;
+
+ return 0;
+
+err_unregister:
+ led_classdev_unregister(&raq_power_off_led);
+
+err_iounmap:
+ iounmap(led_port);
+ led_port = NULL;
+
+ return retval;
+}
+
+static int __devexit cobalt_raq_led_remove(struct platform_device *pdev)
+{
+ if (led_port) {
+ iounmap(led_port);
+ led_port = NULL;
+ }
+
+ led_classdev_unregister(&raq_power_off_led);
+ led_classdev_unregister(&raq_web_led);
+
+ return 0;
+}
+
+static struct platform_driver cobalt_raq_led_driver = {
+ .probe = cobalt_raq_led_probe,
+ .remove = __devexit_p(cobalt_raq_led_remove),
+ .driver = {
+ .name = "Cobalt Raq LEDs",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init cobalt_raq_led_init(void)
+{
+ return platform_driver_register(&cobalt_raq_led_driver);
+}
+
+module_init(cobalt_raq_led_init);
diff -pruN -X mips/Documentation/dontdiff mips-orig/drivers/leds/leds-cobalt.c mips/drivers/leds/leds-cobalt.c
--- mips-orig/drivers/leds/leds-cobalt.c 2007-09-12 12:01:58.083255250 +0900
+++ mips/drivers/leds/leds-cobalt.c 1970-01-01 09:00:00.000000000 +0900
@@ -1,43 +0,0 @@
-/*
- * Copyright 2006 - Florian Fainelli <florian@...nwrt.org>
- *
- * Control the Cobalt Qube/RaQ front LED
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/device.h>
-#include <linux/leds.h>
-#include <asm/mach-cobalt/cobalt.h>
-
-static void cobalt_led_set(struct led_classdev *led_cdev, enum led_brightness brightness)
-{
- if (brightness)
- COBALT_LED_PORT = COBALT_LED_BAR_LEFT | COBALT_LED_BAR_RIGHT;
- else
- COBALT_LED_PORT = 0;
-}
-
-static struct led_classdev cobalt_led = {
- .name = "cobalt-front-led",
- .brightness_set = cobalt_led_set,
- .default_trigger = "ide-disk",
-};
-
-static int __init cobalt_led_init(void)
-{
- return led_classdev_register(NULL, &cobalt_led);
-}
-
-static void __exit cobalt_led_exit(void)
-{
- led_classdev_unregister(&cobalt_led);
-}
-
-module_init(cobalt_led_init);
-module_exit(cobalt_led_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Front LED support for Cobalt Server");
-MODULE_AUTHOR("Florian Fainelli <florian@...nwrt.org>");
-
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