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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-26 11:45:50 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-26 11:45:50 -0800
commit6842ac64ae2ed2714004a25d53d3b20f0d3af524 (patch)
treef318f7f3e1d6d23e321347dd5e510aa8a44f0e8e /drivers
parent60f29b1e1600d89aee5e529acb4b276a6650cb8b (diff)
parent2fea6f35c388c5add15d1492c7f4f3dac401717b (diff)
Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds
* 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds: leds: Add support for Cobalt Server front LED leds: Add IPAQ h1940 LEDs support
Diffstat (limited to 'drivers')
-rw-r--r--drivers/leds/Kconfig12
-rw-r--r--drivers/leds/Makefile2
-rw-r--r--drivers/leds/leds-cobalt.c43
-rw-r--r--drivers/leds/leds-h1940.c163
4 files changed, 220 insertions, 0 deletions
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 7399ba79111..80acd08f0e9 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -82,6 +82,18 @@ config LEDS_WRAP
help
This option enables support for the PCEngines WRAP programmable LEDs.
+config LEDS_H1940
+ tristate "LED Support for iPAQ H1940 device"
+ depends LEDS_CLASS && ARCH_H1940
+ help
+ This option enables support for the LEDs on the h1940.
+
+config LEDS_COBALT
+ tristate "LED Support for Cobalt Server front LED"
+ depends on LEDS_CLASS && MIPS_COBALT
+ help
+ This option enables support for the front LED on Cobalt Server
+
comment "LED Triggers"
config LEDS_TRIGGERS
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 500de3dc962..aa2c18efa5b 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -14,6 +14,8 @@ obj-$(CONFIG_LEDS_S3C24XX) += leds-s3c24xx.o
obj-$(CONFIG_LEDS_AMS_DELTA) += leds-ams-delta.o
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
# LED Triggers
obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
diff --git a/drivers/leds/leds-cobalt.c b/drivers/leds/leds-cobalt.c
new file mode 100644
index 00000000000..d16439ce5da
--- /dev/null
+++ b/drivers/leds/leds-cobalt.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2006 - Florian Fainelli <florian@openwrt.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@openwrt.org>");
diff --git a/drivers/leds/leds-h1940.c b/drivers/leds/leds-h1940.c
new file mode 100644
index 00000000000..1d49d2ade55
--- /dev/null
+++ b/drivers/leds/leds-h1940.c
@@ -0,0 +1,163 @@
+/*
+ * drivers/leds/h1940-leds.c
+ * Copyright (c) Arnaud Patard <arnaud.patard@rtp-net.org>
+ *
+ * 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.
+ *
+ * H1940 leds driver
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/ctype.h>
+#include <linux/leds.h>
+#include <asm/arch/regs-gpio.h>
+#include <asm/hardware.h>
+#include <asm/arch/h1940-latch.h>
+
+/*
+ * Green led.
+ */
+void h1940_greenled_set(struct led_classdev *led_dev, enum led_brightness value)
+{
+ switch (value) {
+ case LED_HALF:
+ h1940_latch_control(0,H1940_LATCH_LED_FLASH);
+ s3c2410_gpio_setpin(S3C2410_GPA7,1);
+ break;
+ case LED_FULL:
+ h1940_latch_control(0,H1940_LATCH_LED_GREEN);
+ s3c2410_gpio_setpin(S3C2410_GPA7,1);
+ break;
+ default:
+ case LED_OFF:
+ h1940_latch_control(H1940_LATCH_LED_FLASH,0);
+ h1940_latch_control(H1940_LATCH_LED_GREEN,0);
+ s3c2410_gpio_setpin(S3C2410_GPA7,0);
+ break;
+ }
+}
+
+static struct led_classdev h1940_greenled = {
+ .name = "h1940:green",
+ .brightness_set = h1940_greenled_set,
+ .default_trigger = "h1940-charger",
+};
+
+/*
+ * Red led.
+ */
+void h1940_redled_set(struct led_classdev *led_dev, enum led_brightness value)
+{
+ switch (value) {
+ case LED_HALF:
+ h1940_latch_control(0,H1940_LATCH_LED_FLASH);
+ s3c2410_gpio_setpin(S3C2410_GPA1,1);
+ break;
+ case LED_FULL:
+ h1940_latch_control(0,H1940_LATCH_LED_RED);
+ s3c2410_gpio_setpin(S3C2410_GPA1,1);
+ break;
+ default:
+ case LED_OFF:
+ h1940_latch_control(H1940_LATCH_LED_FLASH,0);
+ h1940_latch_control(H1940_LATCH_LED_RED,0);
+ s3c2410_gpio_setpin(S3C2410_GPA1,0);
+ break;
+ }
+}
+
+static struct led_classdev h1940_redled = {
+ .name = "h1940:red",
+ .brightness_set = h1940_redled_set,
+ .default_trigger = "h1940-charger",
+};
+
+/*
+ * Blue led.
+ * (it can only be blue flashing led)
+ */
+void h1940_blueled_set(struct led_classdev *led_dev, enum led_brightness value)
+{
+ if (value) {
+ /* flashing Blue */
+ h1940_latch_control(0,H1940_LATCH_LED_FLASH);
+ s3c2410_gpio_setpin(S3C2410_GPA3,1);
+ } else {
+ h1940_latch_control(H1940_LATCH_LED_FLASH,0);
+ s3c2410_gpio_setpin(S3C2410_GPA3,0);
+ }
+
+}
+
+static struct led_classdev h1940_blueled = {
+ .name = "h1940:blue",
+ .brightness_set = h1940_blueled_set,
+ .default_trigger = "h1940-bluetooth",
+};
+
+static int __init h1940leds_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ ret = led_classdev_register(&pdev->dev, &h1940_greenled);
+ if (ret)
+ goto err_green;
+
+ ret = led_classdev_register(&pdev->dev, &h1940_redled);
+ if (ret)
+ goto err_red;
+
+ ret = led_classdev_register(&pdev->dev, &h1940_blueled);
+ if (ret)
+ goto err_blue;
+
+ return 0;
+
+err_blue:
+ led_classdev_unregister(&h1940_redled);
+err_red:
+ led_classdev_unregister(&h1940_greenled);
+err_green:
+ return ret;
+}
+
+static int h1940leds_remove(struct platform_device *pdev)
+{
+ led_classdev_unregister(&h1940_greenled);
+ led_classdev_unregister(&h1940_redled);
+ led_classdev_unregister(&h1940_blueled);
+ return 0;
+}
+
+
+static struct platform_driver h1940leds_driver = {
+ .driver = {
+ .name = "h1940-leds",
+ },
+ .probe = h1940leds_probe,
+ .remove = h1940leds_remove,
+};
+
+
+static int __init h1940leds_init(void)
+{
+ return platform_driver_register(&h1940leds_driver);
+}
+
+static void __exit h1940leds_exit(void)
+{
+ platform_driver_unregister(&h1940leds_driver);
+}
+
+module_init(h1940leds_init);
+module_exit(h1940leds_exit);
+
+MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");
+MODULE_DESCRIPTION("LED driver for the iPAQ H1940");
+MODULE_LICENSE("GPL");