From d39a7a63eb3971b1b3cc5c181ed526bf437b1c72 Mon Sep 17 00:00:00 2001 From: Kristoffer Ericson Date: Thu, 7 Feb 2008 10:10:28 +0000 Subject: leds: Add HP Jornada 6xx driver Add support for the LEDs on the HP Jornada 620/660/680/690 devices. Signed-off-by: Kristoffer Ericson Signed-off-by: Richard Purdie --- drivers/leds/Kconfig | 7 +++ drivers/leds/Makefile | 1 + drivers/leds/leds-hp6xx.c | 120 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 128 insertions(+) create mode 100644 drivers/leds/leds-hp6xx.c (limited to 'drivers/leds') diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 1dfe5bbc200b..851a3b01781e 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -91,6 +91,13 @@ config LEDS_COBALT_RAQ help This option enables support for the Cobalt Raq series LEDs. +config LEDS_HP6XX + tristate "LED Support for the HP Jornada 6xx" + depends on LEDS_CLASS && SH_HP6XX + help + This option enables led support for the handheld + HP Jornada 620/660/680/690. + config LEDS_GPIO tristate "LED Support for GPIO connected LEDs" depends on LEDS_CLASS && GENERIC_GPIO diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index 1ec45552b032..bc6afc8dcb27 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_LEDS_COBALT_RAQ) += leds-cobalt-raq.o obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o obj-$(CONFIG_LEDS_CM_X270) += leds-cm-x270.o obj-$(CONFIG_LEDS_CLEVO_MAIL) += leds-clevo-mail.o +obj-$(CONFIG_LEDS_HP6XX) += leds-hp6xx.o # LED Triggers obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o diff --git a/drivers/leds/leds-hp6xx.c b/drivers/leds/leds-hp6xx.c new file mode 100644 index 000000000000..82d4ec384797 --- /dev/null +++ b/drivers/leds/leds-hp6xx.c @@ -0,0 +1,120 @@ +/* + * LED Triggers Core + * For the HP Jornada 620/660/680/690 handhelds + * + * Copyright 2008 Kristoffer Ericson + * this driver is based on leds-spitz.c by Richard Purdie. + * + * 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 +#include +#include +#include +#include +#include + +static void hp6xxled_green_set(struct led_classdev *led_cdev, enum led_brightness value) +{ + u8 v8; + + v8 = inb(PKDR); + if (value) + outb(v8 & (~PKDR_LED_GREEN), PKDR); + else + outb(v8 | PKDR_LED_GREEN, PKDR); +} + +static void hp6xxled_red_set(struct led_classdev *led_cdev, enum led_brightness value) +{ + u16 v16; + + v16 = inw(HD64461_GPBDR); + if (value) + outw(v16 & (~HD64461_GPBDR_LED_RED), HD64461_GPBDR); + else + outw(v16 | HD64461_GPBDR_LED_RED, HD64461_GPBDR); +} + +static struct led_classdev hp6xx_red_led = { + .name = "hp6xx:red", + .default_trigger = "hp6xx-charge", + .brightness_set = hp6xxled_red_set, +}; + +static struct led_classdev hp6xx_green_led = { + .name = "hp6xx:green", + .default_trigger = "ide-disk", + .brightness_set = hp6xxled_green_set, +}; + +#ifdef CONFIG_PM +static int hp6xxled_suspend(struct platform_device *dev, pm_message_t state) +{ + led_classdev_suspend(&hp6xx_red_led); + led_classdev_suspend(&hp6xx_green_led); + return 0; +} + +static int hp6xxled_resume(struct platform_device *dev) +{ + led_classdev_resume(&hp6xx_red_led); + led_classdev_resume(&hp6xx_green_led); + return 0; +} +#endif + +static int hp6xxled_probe(struct platform_device *pdev) +{ + int ret; + + ret = led_classdev_register(&pdev->dev, &hp6xx_red_led); + if (ret < 0) + return ret; + + ret = led_classdev_register(&pdev->dev, &hp6xx_green_led); + if (ret < 0) + led_classdev_unregister(&hp6xx_red_led); + + return ret; +} + +static int hp6xxled_remove(struct platform_device *pdev) +{ + led_classdev_unregister(&hp6xx_red_led); + led_classdev_unregister(&hp6xx_green_led); + + return 0; +} + +static struct platform_driver hp6xxled_driver = { + .probe = hp6xxled_probe, + .remove = hp6xxled_remove, +#ifdef CONFIG_PM + .suspend = hp6xxled_suspend, + .resume = hp6xxled_resume, +#endif + .driver = { + .name = "hp6xx-led", + }, +}; + +static int __init hp6xxled_init(void) +{ + return platform_driver_register(&hp6xxled_driver); +} + +static void __exit hp6xxled_exit(void) +{ + platform_driver_unregister(&hp6xxled_driver); +} + +module_init(hp6xxled_init); +module_exit(hp6xxled_exit); + +MODULE_AUTHOR("Kristoffer Ericson "); +MODULE_DESCRIPTION("HP Jornada 6xx LED driver"); +MODULE_LICENSE("GPL"); -- cgit v1.2.3