mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-25 15:06:47 +02:00
add Avila/Cambria latch LED support, thanks Chris
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11247 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
kaloz
parent
7fd5e14d44
commit
dcb392448b
@ -204,6 +204,7 @@ CONFIG_IXP4XX_WATCHDOG=y
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CONFIG_LEDS_IXP4XX=y
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CONFIG_LEDS_FSG=y
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CONFIG_LEDS_GPIO=y
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CONFIG_LEDS_LATCH=y
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CONFIG_LEGACY_PTYS=y
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CONFIG_LEGACY_PTY_COUNT=256
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# CONFIG_LIBCRC32C is not set
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449
target/linux/ixp4xx/patches-2.6.25/304-gateworks_led_latch.patch
Normal file
449
target/linux/ixp4xx/patches-2.6.25/304-gateworks_led_latch.patch
Normal file
@ -0,0 +1,449 @@
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diff -ruN trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/Kconfig linux-2.6.24.5/drivers/leds/Kconfig
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--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/Kconfig 2008-04-29 11:29:49.000000000 -0700
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+++ linux-2.6.24.5/drivers/leds/Kconfig 2008-04-29 17:18:47.000000000 -0700
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@@ -120,6 +120,12 @@
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outputs. To be useful the particular board must have LEDs
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and they must be connected to the GPIO lines.
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+config LEDS_LATCH
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+ tristate "LED Support for Memory Latched LEDs"
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+ depends on LEDS_CLASS
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+ help
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+ -- To Do --
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+
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config LEDS_CM_X270
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tristate "LED Support for the CM-X270 LEDs"
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depends on LEDS_CLASS && MACH_ARMCORE
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diff -ruN trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/leds-latch.c linux-2.6.24.5/drivers/leds/leds-latch.c
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--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/leds-latch.c 1969-12-31 16:00:00.000000000 -0800
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+++ linux-2.6.24.5/drivers/leds/leds-latch.c 2008-04-30 14:03:21.000000000 -0700
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@@ -0,0 +1,141 @@
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+/*
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+ * LEDs driver for Memory Latched Devices
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+ *
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+ * Copyright (C) 2008 Gateworks Corp.
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+ * Chris Lang <clang@gateworks.com>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+ *
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+ */
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+#include <linux/kernel.h>
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+#include <linux/init.h>
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+#include <linux/platform_device.h>
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+#include <linux/leds.h>
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+#include <linux/workqueue.h>
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+#include <asm/io.h>
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+#include <linux/spinlock.h>
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+
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+static unsigned int mem_keep = 0xFF;
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+static spinlock_t mem_lock;
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+static unsigned char *iobase;
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+
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+struct latch_led_data {
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+ struct led_classdev cdev;
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+ struct work_struct work;
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+ u8 new_level;
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+ u8 bit;
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+};
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+
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+static void latch_led_set(struct led_classdev *led_cdev,
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+ enum led_brightness value)
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+{
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+ struct latch_led_data *led_dat =
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+ container_of(led_cdev, struct latch_led_data, cdev);
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+
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+ spin_lock(mem_lock);
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+
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+ if (value == LED_OFF)
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+ mem_keep |= (0x1 << led_dat->bit);
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+ else
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+ mem_keep &= ~(0x1 << led_dat->bit);
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+
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+ writeb(mem_keep, iobase);
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+
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+ spin_unlock(mem_lock);
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+}
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+
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+static int latch_led_probe(struct platform_device *pdev)
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+{
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+ struct latch_led_platform_data *pdata = pdev->dev.platform_data;
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+ struct latch_led *cur_led;
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+ struct latch_led_data *leds_data, *led_dat;
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+ int i, ret = 0;
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+
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+ if (!pdata)
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+ return -EBUSY;
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+
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+ leds_data = kzalloc(sizeof(struct latch_led_data) * pdata->num_leds,
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+ GFP_KERNEL);
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+ if (!leds_data)
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+ return -ENOMEM;
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+
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+ iobase = ioremap_nocache(pdata->mem, 0x1000);
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+ writeb(0xFF, iobase);
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+
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+ for (i = 0; i < pdata->num_leds; i++) {
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+ cur_led = &pdata->leds[i];
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+ led_dat = &leds_data[i];
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+
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+ led_dat->cdev.name = cur_led->name;
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+ led_dat->cdev.default_trigger = cur_led->default_trigger;
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+ led_dat->cdev.brightness_set = latch_led_set;
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+ led_dat->cdev.brightness = LED_OFF;
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+ led_dat->bit = cur_led->bit;
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+
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+ ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
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+ if (ret < 0) {
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+ goto err;
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+ }
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+ }
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+
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+ platform_set_drvdata(pdev, leds_data);
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+
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+ return 0;
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+
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+err:
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+ if (i > 0) {
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+ for (i = i - 1; i >= 0; i--) {
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+ led_classdev_unregister(&leds_data[i].cdev);
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+ }
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+ }
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+
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+ kfree(leds_data);
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+
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+ return ret;
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+}
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+
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+static int __devexit latch_led_remove(struct platform_device *pdev)
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+{
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+ int i;
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+ struct latch_led_platform_data *pdata = pdev->dev.platform_data;
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+ struct latch_led_data *leds_data;
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+
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+ leds_data = platform_get_drvdata(pdev);
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+
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+ for (i = 0; i < pdata->num_leds; i++) {
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+ led_classdev_unregister(&leds_data[i].cdev);
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+ cancel_work_sync(&leds_data[i].work);
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+ }
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+
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+ kfree(leds_data);
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+
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+ return 0;
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+}
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+
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+static struct platform_driver latch_led_driver = {
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+ .probe = latch_led_probe,
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+ .remove = __devexit_p(latch_led_remove),
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+ .driver = {
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+ .name = "leds-latch",
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+ .owner = THIS_MODULE,
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+ },
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+};
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+
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+static int __init latch_led_init(void)
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+{
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+ return platform_driver_register(&latch_led_driver);
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+}
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+
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+static void __exit latch_led_exit(void)
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+{
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+ platform_driver_unregister(&latch_led_driver);
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+}
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+
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+module_init(latch_led_init);
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+module_exit(latch_led_exit);
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+
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+MODULE_AUTHOR("Chris Lang <clang@gateworks.com>");
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+MODULE_DESCRIPTION("Latch LED driver");
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+MODULE_LICENSE("GPL");
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diff -ruN trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/Makefile linux-2.6.24.5/drivers/leds/Makefile
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--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/Makefile 2008-04-29 11:29:49.000000000 -0700
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+++ linux-2.6.24.5/drivers/leds/Makefile 2008-04-29 17:19:02.000000000 -0700
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@@ -21,6 +21,7 @@
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obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o
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obj-$(CONFIG_LEDS_CM_X270) += leds-cm-x270.o
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obj-$(CONFIG_LEDS_FSG) += leds-fsg.o
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+obj-$(CONFIG_LEDS_LATCH) += leds-latch.o
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# LED Triggers
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obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
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diff -ruN trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/arch/arm/mach-ixp4xx/avila-setup.c linux-2.6.24.5/arch/arm/mach-ixp4xx/avila-setup.c
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--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/arch/arm/mach-ixp4xx/avila-setup.c 2008-04-29 11:29:50.000000000 -0700
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+++ linux-2.6.24.5/arch/arm/mach-ixp4xx/avila-setup.c 2008-04-30 15:43:40.000000000 -0700
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@@ -173,7 +173,7 @@
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.dev.platform_data = &avila_npec_data,
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};
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-static struct gpio_led avila_leds[] = {
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+static struct gpio_led avila_gpio_leds[] = {
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{
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.name = "user", /* green led */
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.gpio = AVILA_GW23XX_LED_USER_GPIO,
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@@ -181,17 +181,65 @@
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}
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};
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-static struct gpio_led_platform_data avila_leds_data = {
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+static struct gpio_led_platform_data avila_gpio_leds_data = {
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.num_leds = 1,
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- .leds = avila_leds,
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+ .leds = avila_gpio_leds,
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};
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-static struct platform_device avila_leds_device = {
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+static struct platform_device avila_gpio_leds_device = {
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.name = "leds-gpio",
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.id = -1,
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- .dev.platform_data = &avila_leds_data,
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+ .dev.platform_data = &avila_gpio_leds_data,
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};
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+static struct latch_led avila_latch_leds[] = {
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+ {
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+ .name = "led0", /* green led */
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+ .bit = 0,
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+ },
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+ {
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+ .name = "led1", /* green led */
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+ .bit = 1,
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+ },
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+ {
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+ .name = "led2", /* green led */
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+ .bit = 2,
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+ },
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+ {
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+ .name = "led3", /* green led */
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+ .bit = 3,
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+ },
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+ {
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+ .name = "led4", /* green led */
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+ .bit = 4,
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+ },
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+ {
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+ .name = "led5", /* green led */
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+ .bit = 5,
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+ },
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+ {
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+ .name = "led6", /* green led */
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+ .bit = 6,
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+ },
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+ {
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+ .name = "led7", /* green led */
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+ .bit = 7,
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+ }
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+};
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+
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+static struct latch_led_platform_data avila_latch_leds_data = {
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+ .num_leds = 8,
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+ .leds = avila_latch_leds,
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+ .mem = 0x51000000,
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+};
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+
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+static struct platform_device avila_latch_leds_device = {
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+ .name = "leds-latch",
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+ .id = -1,
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+ .dev.platform_data = &avila_latch_leds_data,
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+};
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+
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+
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static struct resource avila_gpio_resources[] = {
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{
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.name = "gpio",
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@@ -221,7 +269,7 @@
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platform_device_register(&avila_npeb_device);
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platform_device_register(&avila_npec_device);
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- platform_device_register(&avila_leds_device);
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+ platform_device_register(&avila_gpio_leds_device);
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}
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#ifdef CONFIG_SENSORS_EEPROM
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@@ -230,7 +278,7 @@
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platform_device_register(&avila_npeb_device);
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platform_device_register(&avila_npec_device);
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- platform_device_register(&avila_leds_device);
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+ platform_device_register(&avila_gpio_leds_device);
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}
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static void __init avila_gw2345_setup(void)
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@@ -242,7 +290,7 @@
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avila_npec_data.phy = 5; /* port 5 of the KS8995 switch */
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platform_device_register(&avila_npec_device);
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- platform_device_register(&avila_leds_device);
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+ platform_device_register(&avila_gpio_leds_device);
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}
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static void __init avila_gw2347_setup(void)
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@@ -250,8 +298,8 @@
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avila_npeb_data.quirks |= IXP4XX_ETH_QUIRK_GW23X7;
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platform_device_register(&avila_npeb_device);
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- avila_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO;
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- platform_device_register(&avila_leds_device);
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+ avila_gpio_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO;
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+ platform_device_register(&avila_gpio_leds_device);
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}
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static void __init avila_gw2348_setup(void)
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@@ -259,13 +307,13 @@
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platform_device_register(&avila_npeb_device);
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platform_device_register(&avila_npec_device);
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- platform_device_register(&avila_leds_device);
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+ platform_device_register(&avila_gpio_leds_device);
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}
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static void __init avila_gw2353_setup(void)
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{
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platform_device_register(&avila_npeb_device);
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- platform_device_register(&avila_leds_device);
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+ platform_device_register(&avila_gpio_leds_device);
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}
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static void __init avila_gw2355_setup(void)
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@@ -277,7 +325,17 @@
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avila_npec_data.phy = 16;
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platform_device_register(&avila_npec_device);
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- platform_device_register(&avila_leds_device);
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+ platform_device_register(&avila_gpio_leds_device);
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+
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+ *IXP4XX_EXP_CS4 |= 0xbfff3c03;
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+ avila_latch_leds[0].name = "RXD";
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+ avila_latch_leds[1].name = "TXD";
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+ avila_latch_leds[2].name = "POL";
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+ avila_latch_leds[3].name = "LNK";
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+ avila_latch_leds[4].name = "ERR";
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+ avila_latch_leds_data.num_leds = 5;
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+ avila_latch_leds_data.mem = 0x54000000;
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+ platform_device_register(&avila_latch_leds_device);
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}
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static void __init avila_gw2357_setup(void)
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@@ -285,8 +343,11 @@
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avila_npeb_data.quirks |= IXP4XX_ETH_QUIRK_GW23X7;
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platform_device_register(&avila_npeb_device);
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- avila_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO;
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- platform_device_register(&avila_leds_device);
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+ avila_gpio_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO;
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+ platform_device_register(&avila_gpio_leds_device);
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+
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+ *IXP4XX_EXP_CS1 |= 0xbfff3c03;
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+ platform_device_register(&avila_latch_leds_device);
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}
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static struct avila_board_info avila_boards[] __initdata = {
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diff -ruN trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-setup.c linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-setup.c
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--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-setup.c 2008-04-29 11:29:49.000000000 -0700
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+++ linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-setup.c 2008-04-30 14:43:57.000000000 -0700
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@@ -25,6 +25,8 @@
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# include <linux/i2c.h>
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# include <linux/eeprom.h>
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#endif
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+
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+#include <linux/leds.h>
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#include <linux/i2c-gpio.h>
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#include <asm/types.h>
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@@ -149,19 +151,52 @@
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}
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};
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-#ifdef CONFIG_LEDS_IXP4XX
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-static struct platform_device cambria_leds_pld = {
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- .name = "IXP4XX-PLD-LED",
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- .id = -1,
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- .num_resources = 0,
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-};
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-
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-static struct platform_device cambria_leds_mem = {
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- .name = "IXP4XX-MEM-LED",
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- .id = -1,
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- .num_resources = 0,
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+static struct latch_led cambria_leds[] = {
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+ {
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+ .name = "ledA", /* green led */
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+ .bit = 0,
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+ },
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+ {
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+ .name = "ledB", /* green led */
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+ .bit = 1,
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+ },
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+ {
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+ .name = "ledC", /* green led */
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+ .bit = 2,
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+ },
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+ {
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+ .name = "ledD", /* green led */
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+ .bit = 3,
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+ },
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+ {
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+ .name = "ledE", /* green led */
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+ .bit = 4,
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+ },
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+ {
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+ .name = "ledF", /* green led */
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+ .bit = 5,
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+ },
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+ {
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+ .name = "ledG", /* green led */
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+ .bit = 6,
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+ },
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+ {
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+ .name = "ledH", /* green led */
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+ .bit = 7,
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+ }
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+};
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+
|
||||
+static struct latch_led_platform_data cambria_leds_data = {
|
||||
+ .num_leds = 8,
|
||||
+ .leds = cambria_leds,
|
||||
+ .mem = 0x53F40000,
|
||||
+};
|
||||
+
|
||||
+static struct platform_device cambria_leds_device = {
|
||||
+ .name = "leds-latch",
|
||||
+ .id = -1,
|
||||
+ .dev.platform_data = &cambria_leds_data,
|
||||
};
|
||||
-#endif
|
||||
|
||||
static struct platform_device *cambria_devices[] __initdata = {
|
||||
&cambria_i2c_gpio,
|
||||
@@ -234,6 +269,9 @@
|
||||
cambria_pata_data.cs1_cfg = IXP4XX_EXP_CS3;
|
||||
|
||||
platform_device_register(&cambria_pata);
|
||||
+
|
||||
+ *IXP4XX_EXP_CS3 |= 0xbfff3c03;
|
||||
+ platform_device_register(&cambria_leds_device);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_MACH_CAMBRIA
|
||||
--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/include/linux/leds.h 2008-04-18 18:53:39.000000000 -0700
|
||||
+++ linux-2.6.24.5/include/linux/leds.h 2008-04-29 17:48:56.000000000 -0700
|
||||
@@ -123,5 +123,18 @@
|
||||
struct gpio_led *leds;
|
||||
};
|
||||
|
||||
+/* For the leds-latch driver */
|
||||
+struct latch_led {
|
||||
+ const char *name;
|
||||
+ char *default_trigger;
|
||||
+ unsigned bit;
|
||||
+};
|
||||
+
|
||||
+struct latch_led_platform_data {
|
||||
+ int num_leds;
|
||||
+ u32 mem;
|
||||
+ struct latch_led *leds;
|
||||
+};
|
||||
+
|
||||
|
||||
#endif /* __LINUX_LEDS_H_INCLUDED */
|
||||
Loading…
Reference in New Issue
Block a user