Menu
▾
▴
[Hackndev-commit] SF.net SVN: hackndev: [723] linux4palm/linux/trunk/drivers/leds
|
From: <bob...@us...> - 2007-01-05 14:44:34
|
Revision: 723
http://svn.sourceforge.net/hackndev/?rev=723&view=rev
Author: bobofdoom
Date: 2007-01-05 06:44:30 -0800 (Fri, 05 Jan 2007)
Log Message:
-----------
t650: Added basic LED driver for Treo 650.
Modified Paths:
--------------
linux4palm/linux/trunk/drivers/leds/Kconfig
linux4palm/linux/trunk/drivers/leds/Makefile
Added Paths:
-----------
linux4palm/linux/trunk/drivers/leds/leds-palmt650.c
Modified: linux4palm/linux/trunk/drivers/leds/Kconfig
===================================================================
--- linux4palm/linux/trunk/drivers/leds/Kconfig 2007-01-05 09:39:58 UTC (rev 722)
+++ linux4palm/linux/trunk/drivers/leds/Kconfig 2007-01-05 14:44:30 UTC (rev 723)
@@ -82,6 +82,12 @@
help
This option enables support for the LEDs on Palm LifeDrive.
+config LEDS_PALMT650
+ tristate "LED Support for Palm Treo 650"
+ depends LEDS_CLASS && MACH_XSCALE_PALMTREO650
+ help
+ This option enables support for the LEDs on Palm Treo 650.
+
comment "LED Triggers"
config LEDS_TRIGGERS
Modified: linux4palm/linux/trunk/drivers/leds/Makefile
===================================================================
--- linux4palm/linux/trunk/drivers/leds/Makefile 2007-01-05 09:39:58 UTC (rev 722)
+++ linux4palm/linux/trunk/drivers/leds/Makefile 2007-01-05 14:44:30 UTC (rev 723)
@@ -14,6 +14,7 @@
obj-$(CONFIG_LEDS_H2200) += h2200_leds.o
obj-$(CONFIG_LEDS_MAGICIAN) += leds-magician.o
obj-$(CONFIG_LEDS_PALMLD) += leds-palmld.o
+obj-$(CONFIG_LEDS_PALMT650) += leds-palmt650.o
# LED Triggers
obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
Added: linux4palm/linux/trunk/drivers/leds/leds-palmt650.c
===================================================================
--- linux4palm/linux/trunk/drivers/leds/leds-palmt650.c (rev 0)
+++ linux4palm/linux/trunk/drivers/leds/leds-palmt650.c 2007-01-05 14:44:30 UTC (rev 723)
@@ -0,0 +1,197 @@
+/*
+ * Palm Treo 650 LEDs
+ *
+ * TODO: Change keypad into a backlight device so brightness can be varied.
+ *
+ * Author: Alex Osborne <bob...@gm...>
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+
+#include <asm/io.h>
+#include <asm/mach-types.h>
+#include <asm/arch/palmt650-gpio.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/pxa-regs.h>
+
+#define ASIC6_LED_0_Base 0x80
+#define ASIC6_LED_1_Base 0x90
+#define ASIC6_LED_2_Base 0xA0
+
+#define ASIC6_LED_TimeBase 0x00
+#define ASIC6_LED_PeriodTime 0x04 /* might be wrong */
+#define ASIC6_LED_DutyTime 0x08 /* might be wrong */
+#define ASIC6_LED_AutoStopCount 0x0c
+
+/* LED TimeBase bits */
+#include <asm/hardware/ipaq-asic-led.h>
+
+static void *asic6_base;
+
+static void asic6_write(u32 reg, u16 val)
+{
+ *((volatile u16*)((u32)asic6_base+reg)) = val;
+}
+
+static u16 asic6_read(u32 reg)
+{
+ return *((volatile u16*)((u32)asic6_base+reg));
+}
+
+static void asic6_led_set(u32 base, enum led_brightness value)
+{
+ /* we want simply full-on / full-off for now, so clear all the other
+ * registers
+ */
+ asic6_write(base | 0x2, 0x0);
+ asic6_write(base | 0x6, 0x0);
+ asic6_write(base | ASIC6_LED_PeriodTime, 0x0);
+ asic6_write(base | ASIC6_LED_AutoStopCount, 0x0);
+ asic6_write(base | ASIC6_LED_DutyTime, 0x1);
+ asic6_write(base | ASIC6_LED_TimeBase, value ? 0x10 : 0);
+}
+
+static void palmt650_led_green_set(struct led_classdev *led_cdev, enum led_brightness value)
+{
+ asic6_led_set(ASIC6_LED_0_Base, value);
+}
+
+static void palmt650_led_red_set(struct led_classdev *led_cdev, enum led_brightness value)
+{
+ asic6_led_set(ASIC6_LED_1_Base, value);
+}
+
+static void palmt650_led_keypad_set(struct led_classdev *led_cdev, enum led_brightness value)
+{
+ asic6_led_set(ASIC6_LED_2_Base, value);
+}
+
+static void palmt650_led_vibra_set(struct led_classdev *led_cdev, enum led_brightness value)
+{
+ SET_PALMT650_GPIO(VIBRATE_EN, value);
+}
+
+static struct led_classdev palmt650_green_led = {
+ .name = "palmt650:green",
+ .brightness_set = palmt650_led_green_set,
+};
+
+static struct led_classdev palmt650_red_led = {
+ .name = "palmt650:red",
+ .brightness_set = palmt650_led_red_set,
+};
+
+static struct led_classdev palmt650_keypad_led = {
+ .name = "palmt650:keypad",
+ .brightness_set = palmt650_led_keypad_set,
+};
+
+static struct led_classdev palmt650_vibra_led = {
+ .name = "palmt650:vibra",
+ .brightness_set = palmt650_led_vibra_set,
+};
+
+#ifdef CONFIG_PM
+static int palmt650_led_suspend(struct platform_device *dev, pm_message_t state)
+{
+ led_classdev_suspend(&palmt650_green_led);
+ led_classdev_suspend(&palmt650_red_led);
+ led_classdev_suspend(&palmt650_keypad_led);
+ led_classdev_suspend(&palmt650_vibra_led);
+ return 0;
+}
+
+static int palmt650_led_resume(struct platform_device *dev)
+{
+ led_classdev_resume(&palmt650_green_led);
+ led_classdev_resume(&palmt650_red_led);
+ led_classdev_resume(&palmt650_keypad_led);
+ led_classdev_resume(&palmt650_vibra_led);
+ return 0;
+}
+#endif
+
+static int palmt650_led_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ ret = led_classdev_register(&pdev->dev, &palmt650_green_led);
+ if (ret < 0)
+ goto green_err;
+
+ ret = led_classdev_register(&pdev->dev, &palmt650_red_led);
+ if (ret < 0)
+ goto red_err;
+
+ ret = led_classdev_register(&pdev->dev, &palmt650_keypad_led);
+ if (ret < 0)
+ goto keypad_err;
+
+ ret = led_classdev_register(&pdev->dev, &palmt650_vibra_led);
+ if (ret < 0)
+ goto vibra_err;
+
+ asic6_base = ioremap_nocache(0x08000000, 0x1000);
+
+ /* enable LED controllers, possibly clock EN reg.*/
+ asic6_write(0x66, 7);
+
+ /* enable green LED, possibly GPIO related reg. */
+ asic6_write(0x10, 0xc0);
+
+ /* enable red LED + keypad control, possibly GPIO related reg. */
+ asic6_write(0x12, 0xe3);
+
+ return ret;
+vibra_err:
+ led_classdev_unregister(&palmt650_keypad_led);
+keypad_err:
+ led_classdev_unregister(&palmt650_red_led);
+red_err:
+ led_classdev_unregister(&palmt650_green_led);
+green_err:
+ return ret;
+}
+
+static int palmt650_led_remove(struct platform_device *pdev)
+{
+ led_classdev_unregister(&palmt650_green_led);
+ led_classdev_unregister(&palmt650_red_led);
+ led_classdev_unregister(&palmt650_keypad_led);
+ led_classdev_unregister(&palmt650_vibra_led);
+ return 0;
+}
+
+static struct platform_driver palmt650_led_driver = {
+ .probe = palmt650_led_probe,
+ .remove = palmt650_led_remove,
+#ifdef CONFIG_PM
+ .suspend = palmt650_led_suspend,
+ .resume = palmt650_led_resume,
+#endif
+ .driver = {
+ .name = "palmt650-led",
+ },
+};
+
+static int __init palmt650_led_init(void)
+{
+ return platform_driver_register(&palmt650_led_driver);
+}
+
+static void __exit palmt650_led_exit(void)
+{
+ platform_driver_unregister(&palmt650_led_driver);
+}
+
+module_init(palmt650_led_init);
+module_exit(palmt650_led_exit);
+
+MODULE_AUTHOR("Alex Osborne <bob...@gm...>");
+MODULE_DESCRIPTION("Palm Treo 650 LED driver");
+MODULE_LICENSE("GPL");
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
