Messages in this thread Patch in this message |  | | | Date | Tue, 8 May 2007 21:26:50 +0900 (JST) | | Subject | [PATCH 1/2] leds:arch/sh/boards/landisk LEDs supports | | From | "kogiidena" <> |
| |
To:Richard-san CC:all
LED driver of I-O DATA LANDISK and USL-5P Please apply following patch
Signed-off-by: kogiidena <kogiidena@eggplant.ddo.jp>
--- diff -urpN linux-2.6.21-rc4.orig/drivers/leds/Kconfig NEW/drivers/leds/Kconfig --- linux-2.6.21-rc4.orig/drivers/leds/Kconfig 2007-03-16 09:20:01.000000000 +0900 +++ NEW/drivers/leds/Kconfig 2007-03-27 18:30:44.000000000 +0900 @@ -94,6 +94,13 @@ config LEDS_COBALT help This option enables support for the front LED on Cobalt Server
+config LEDS_LANDISK + tristate "LED Support for LANDISK Series" + depends on LEDS_CLASS && SH_LANDISK + select LEDS_TRIGGERS + help + This option enables support for the LED on LANDISK Series + comment "LED Triggers"
config LEDS_TRIGGERS diff -urpN linux-2.6.21-rc4.orig/drivers/leds/Makefile NEW/drivers/leds/Makefile --- linux-2.6.21-rc4.orig/drivers/leds/Makefile 2007-03-16 09:20:01.000000000 +0900 +++ NEW/drivers/leds/Makefile 2007-03-27 18:27:18.000000000 +0900 @@ -16,6 +16,7 @@ obj-$(CONFIG_LEDS_NET48XX) += leds-net4 obj-$(CONFIG_LEDS_WRAP) += leds-wrap.o obj-$(CONFIG_LEDS_H1940) += leds-h1940.o obj-$(CONFIG_LEDS_COBALT) += leds-cobalt.o +obj-$(CONFIG_LEDS_LANDISK) += leds-landisk.o
# LED Triggers obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o diff -urpN linux-2.6.21-rc4.orig/drivers/leds/leds-landisk.c NEW/drivers/leds/leds-landisk.c --- linux-2.6.21-rc4.orig/drivers/leds/leds-landisk.c 1970-01-01 09:00:00.000000000 +0900 +++ NEW/drivers/leds/leds-landisk.c 2007-03-27 18:16:48.000000000 +0900 @@ -0,0 +1,183 @@ +/* + * LEDs driver for I-O DATA DEVICE, INC. "LANDISK Series" support. + * + * Copyright (C) 2007 kogiidena + * + * Based on the drivers/leds/leds-ams-delta.c by: + * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li> + * + * 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 <linux/init.h> +#include <linux/platform_device.h> +#include <linux/spinlock.h> +#include <linux/leds.h> +#include <asm/io.h> +#include <asm/landisk/iodata_landisk.h> + +spinlock_t landisk_led_lock; +static int landisk_arch; /* 0:LANDISK, LANTank 1:USL-5P */ + +static void landisk_led_set(struct led_classdev *led_cdev, + enum led_brightness value); + +static struct led_classdev landisk_leds[] = { + [0] = { + .name = "power", + .brightness_set = landisk_led_set, + .default_trigger = "blink", + }, + [1] = { + .name = "status", + .brightness_set = landisk_led_set, + .default_trigger = "blink", + }, + [2] = { + .name = "led1", + .brightness_set = landisk_led_set, + }, + [3] = { + .name = "led2", + .brightness_set = landisk_led_set, + }, + [4] = { + .name = "led3", + .brightness_set = landisk_led_set, + }, + [5] = { + .name = "led4", + .brightness_set = landisk_led_set, + }, + [6] = { + .name = "led5", + .brightness_set = landisk_led_set, + }, + [7] = { + .name = "buzzer", + .default_trigger = "bitshift", + .brightness_set = landisk_led_set, + }, +}; + +static void landisk_led_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + u8 tmp; + int bitmask; + unsigned long flags; + + bitmask = 0x01 << (led_cdev - &landisk_leds[0]); + + spin_lock_irqsave(&landisk_led_lock, flags); + tmp = ctrl_inb(PA_LED); + if (value) + tmp |= bitmask; + else + tmp &= ~bitmask; + ctrl_outb(tmp, PA_LED); + spin_unlock_irqrestore(&landisk_led_lock, flags); +} + +static int landisk_led_probe(struct platform_device *pdev) +{ + int i, nr_leds; + int ret; + + nr_leds = landisk_arch ? 8 : 2; + + for (i = ret = 0; ret >= 0 && i < nr_leds; i++) { + ret = led_classdev_register(&pdev->dev, &landisk_leds[i]); + } + + if (ret < 0 && i > 1) { + nr_leds = i - 1; + for (i = 0; i < nr_leds; i++) + led_classdev_unregister(&landisk_leds[i]); + } + + return ret; +} + +static int landisk_led_remove(struct platform_device *pdev) +{ + int i, nr_leds; + + nr_leds = landisk_arch ? 8 : 2; + + for (i = 0; i < nr_leds; i++) { + led_classdev_unregister(&landisk_leds[i]); + } + + return 0; +} + +static struct platform_driver landisk_led_driver = { + .probe = landisk_led_probe, + .remove = landisk_led_remove, + .driver = { + .name = "landisk-led", + }, +}; + +/* HDD-access-LED setting at landisk status LED */ +static void landisk_disk_trig_activate(struct led_classdev *led_cdev) +{ + unsigned long flags; + spin_lock_irqsave(&landisk_led_lock, flags); + ctrl_outb((ctrl_inb(PA_LED) & ~0x0c) | 0x04, PA_LED); + spin_unlock_irqrestore(&landisk_led_lock, flags); +} + +static void landisk_disk_trig_deactivate(struct led_classdev *led_cdev) +{ + unsigned long flags; + spin_lock_irqsave(&landisk_led_lock, flags); + ctrl_outb((ctrl_inb(PA_LED) & ~0x0c) | 0x0c, PA_LED); + spin_unlock_irqrestore(&landisk_led_lock, flags); +} + +static struct led_trigger landisk_disk_led_trigger = { + .name = "disk", + .activate = landisk_disk_trig_activate, + .deactivate = landisk_disk_trig_deactivate, +}; + +static int __init landisk_led_init(void) +{ + u8 orig, test; + + orig = ctrl_inb(PA_LED); + ctrl_outb(0x40, PA_LED); + + test = ctrl_inb(PA_LED); + ctrl_outb(orig, PA_LED); + + landisk_arch = (test == 0x40); + + if (landisk_arch == 0) { + /* arch == landisk */ + ctrl_outb(orig | 0x07, PA_LED); + landisk_leds[1].default_trigger = "disk"; + led_trigger_register(&landisk_disk_led_trigger); + } else { + /* arch == usl-5p */ + ctrl_outb(orig | 0x03, PA_LED); + } + return platform_driver_register(&landisk_led_driver); +} + +static void __exit landisk_led_exit(void) +{ + if (landisk_arch == 0) + led_trigger_unregister(&landisk_disk_led_trigger); + return platform_driver_unregister(&landisk_led_driver); +} + +module_init(landisk_led_init); +module_exit(landisk_led_exit); + +MODULE_AUTHOR("kogiidena <kogiidena@eggplant.ddo.jp>"); +MODULE_DESCRIPTION("landisk LED driver"); +MODULE_LICENSE("GPL");
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