mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-14 02:07:30 +02:00
678a7f27b6
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18082 3c298f89-4303-0410-b956-a3cf2f4a3e73
231 lines
6.8 KiB
Diff
231 lines
6.8 KiB
Diff
Index: linux-2.6.30.8/drivers/leds/Kconfig
|
|
===================================================================
|
|
--- linux-2.6.30.8.orig/drivers/leds/Kconfig 2009-10-19 21:31:31.000000000 +0200
|
|
+++ linux-2.6.30.8/drivers/leds/Kconfig 2009-10-19 21:31:32.000000000 +0200
|
|
@@ -227,6 +227,12 @@
|
|
This option enables support for BD2802GU RGB LED driver chips
|
|
accessed via the I2C bus.
|
|
|
|
+config LEDS_IFXMIPS
|
|
+ tristate "LED Support for IFXMIPS LEDs"
|
|
+ depends on LEDS_CLASS && IFXMIPS
|
|
+ help
|
|
+ This option enables support for the CM-X270 LEDs.
|
|
+
|
|
comment "LED Triggers"
|
|
|
|
config LEDS_TRIGGERS
|
|
Index: linux-2.6.30.8/drivers/leds/Makefile
|
|
===================================================================
|
|
--- linux-2.6.30.8.orig/drivers/leds/Makefile 2009-10-19 21:31:31.000000000 +0200
|
|
+++ linux-2.6.30.8/drivers/leds/Makefile 2009-10-19 21:31:32.000000000 +0200
|
|
@@ -27,6 +27,7 @@
|
|
obj-$(CONFIG_LEDS_DA903X) += leds-da903x.o
|
|
obj-$(CONFIG_LEDS_WM8350) += leds-wm8350.o
|
|
obj-$(CONFIG_LEDS_PWM) += leds-pwm.o
|
|
+obj-$(CONFIG_LEDS_IFXMIPS) += leds-ifxmips.o
|
|
|
|
# LED SPI Drivers
|
|
obj-$(CONFIG_LEDS_DAC124S085) += leds-dac124s085.o
|
|
Index: linux-2.6.30.8/drivers/leds/leds-ifxmips.c
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-2.6.30.8/drivers/leds/leds-ifxmips.c 2009-10-19 21:39:59.000000000 +0200
|
|
@@ -0,0 +1,196 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
+ * (at your option) any later version.
|
|
+ *
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * You should have received a copy of the GNU General Public License
|
|
+ * along with this program; if not, write to the Free Software
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
|
+ *
|
|
+ * Copyright (C) 2006 infineon
|
|
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
|
|
+ *
|
|
+ */
|
|
+
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/version.h>
|
|
+#include <linux/types.h>
|
|
+#include <linux/fs.h>
|
|
+#include <linux/init.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/uaccess.h>
|
|
+#include <linux/unistd.h>
|
|
+#include <linux/errno.h>
|
|
+#include <linux/leds.h>
|
|
+#include <linux/delay.h>
|
|
+
|
|
+#include <ifxmips.h>
|
|
+#include <ifxmips_gpio.h>
|
|
+#include <ifxmips_pmu.h>
|
|
+
|
|
+#define DRVNAME "ifxmips_led"
|
|
+
|
|
+/* might need to be changed depending on shift register used on the pcb */
|
|
+#if 1
|
|
+#define IFXMIPS_LED_CLK_EDGE IFXMIPS_LED_FALLING
|
|
+#else
|
|
+#define IFXMIPS_LED_CLK_EDGE IFXMIPS_LED_RISING
|
|
+#endif
|
|
+
|
|
+#define IFXMIPS_LED_SPEED IFXMIPS_LED_8HZ
|
|
+
|
|
+#define IFXMIPS_LED_GPIO_PORT 0
|
|
+
|
|
+#define IFXMIPS_MAX_LED 24
|
|
+
|
|
+struct ifxmips_led {
|
|
+ struct led_classdev cdev;
|
|
+ u8 bit;
|
|
+};
|
|
+
|
|
+void ifxmips_led_set(unsigned int led)
|
|
+{
|
|
+ led &= 0xffffff;
|
|
+ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CPU0) | led, IFXMIPS_LED_CPU0);
|
|
+}
|
|
+EXPORT_SYMBOL(ifxmips_led_set);
|
|
+
|
|
+void ifxmips_led_clear(unsigned int led)
|
|
+{
|
|
+ led = ~(led & 0xffffff);
|
|
+ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CPU0) & led, IFXMIPS_LED_CPU0);
|
|
+}
|
|
+EXPORT_SYMBOL(ifxmips_led_clear);
|
|
+
|
|
+void ifxmips_led_blink_set(unsigned int led)
|
|
+{
|
|
+ led &= 0xffffff;
|
|
+ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | led, IFXMIPS_LED_CON0);
|
|
+}
|
|
+EXPORT_SYMBOL(ifxmips_led_blink_set);
|
|
+
|
|
+void ifxmips_led_blink_clear(unsigned int led)
|
|
+{
|
|
+ led = ~(led & 0xffffff);
|
|
+ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) & led, IFXMIPS_LED_CON0);
|
|
+}
|
|
+EXPORT_SYMBOL(ifxmips_led_blink_clear);
|
|
+
|
|
+static void ifxmips_ledapi_set(struct led_classdev *led_cdev,
|
|
+ enum led_brightness value)
|
|
+{
|
|
+ struct ifxmips_led *led_dev =
|
|
+ container_of(led_cdev, struct ifxmips_led, cdev);
|
|
+
|
|
+ if (value)
|
|
+ ifxmips_led_set(1 << led_dev->bit);
|
|
+ else
|
|
+ ifxmips_led_clear(1 << led_dev->bit);
|
|
+}
|
|
+
|
|
+void ifxmips_led_setup_gpio(void)
|
|
+{
|
|
+ int i = 0;
|
|
+
|
|
+ /* leds are controlled via a shift register
|
|
+ we need to setup pins SH,D,ST (4,5,6) to make it work */
|
|
+ for (i = 4; i < 7; i++) {
|
|
+ ifxmips_port_set_altsel0(IFXMIPS_LED_GPIO_PORT, i);
|
|
+ ifxmips_port_clear_altsel1(IFXMIPS_LED_GPIO_PORT, i);
|
|
+ ifxmips_port_set_dir_out(IFXMIPS_LED_GPIO_PORT, i);
|
|
+ ifxmips_port_set_open_drain(IFXMIPS_LED_GPIO_PORT, i);
|
|
+ }
|
|
+}
|
|
+
|
|
+static int ifxmips_led_probe(struct platform_device *dev)
|
|
+{
|
|
+ int i = 0;
|
|
+
|
|
+ ifxmips_led_setup_gpio();
|
|
+
|
|
+ ifxmips_w32(0, IFXMIPS_LED_AR);
|
|
+ ifxmips_w32(0, IFXMIPS_LED_CPU0);
|
|
+ ifxmips_w32(0, IFXMIPS_LED_CPU1);
|
|
+ ifxmips_w32(LED_CON0_SWU, IFXMIPS_LED_CON0);
|
|
+ ifxmips_w32(0, IFXMIPS_LED_CON1);
|
|
+
|
|
+ /* setup the clock edge that the shift register is triggered on */
|
|
+ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) & ~IFXMIPS_LED_EDGE_MASK,
|
|
+ IFXMIPS_LED_CON0);
|
|
+ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | IFXMIPS_LED_CLK_EDGE,
|
|
+ IFXMIPS_LED_CON0);
|
|
+
|
|
+ /* per default leds 15-0 are set */
|
|
+ ifxmips_w32(IFXMIPS_LED_GROUP1 | IFXMIPS_LED_GROUP0, IFXMIPS_LED_CON1);
|
|
+
|
|
+ /* leds are update periodically by the FPID */
|
|
+ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_UPD_MASK,
|
|
+ IFXMIPS_LED_CON1);
|
|
+ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) | IFXMIPS_LED_UPD_SRC_FPI,
|
|
+ IFXMIPS_LED_CON1);
|
|
+
|
|
+ /* set led update speed */
|
|
+ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_MASK,
|
|
+ IFXMIPS_LED_CON1);
|
|
+ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) | IFXMIPS_LED_SPEED,
|
|
+ IFXMIPS_LED_CON1);
|
|
+
|
|
+ /* adsl 0 and 1 leds are updated by the arc */
|
|
+ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | IFXMIPS_LED_ADSL_SRC,
|
|
+ IFXMIPS_LED_CON0);
|
|
+
|
|
+ /* per default, the leds are turned on */
|
|
+ ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_LED);
|
|
+
|
|
+ for (i = 0; i < IFXMIPS_MAX_LED; i++) {
|
|
+ struct ifxmips_led *tmp =
|
|
+ kzalloc(sizeof(struct ifxmips_led), GFP_KERNEL);
|
|
+ tmp->cdev.brightness_set = ifxmips_ledapi_set;
|
|
+ tmp->cdev.name = kmalloc(sizeof("ifxmips:led:00"), GFP_KERNEL);
|
|
+ sprintf((char *)tmp->cdev.name, "ifxmips:led:%02d", i);
|
|
+ tmp->cdev.default_trigger = NULL;
|
|
+ tmp->bit = i;
|
|
+ led_classdev_register(&dev->dev, &tmp->cdev);
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int ifxmips_led_remove(struct platform_device *pdev)
|
|
+{
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct platform_driver ifxmips_led_driver = {
|
|
+ .probe = ifxmips_led_probe,
|
|
+ .remove = ifxmips_led_remove,
|
|
+ .driver = {
|
|
+ .name = DRVNAME,
|
|
+ .owner = THIS_MODULE,
|
|
+ },
|
|
+};
|
|
+
|
|
+int __init ifxmips_led_init(void)
|
|
+{
|
|
+ int ret = platform_driver_register(&ifxmips_led_driver);
|
|
+ if (ret)
|
|
+ printk(KERN_INFO
|
|
+ "ifxmips_led: Error registering platfom driver!");
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+void __exit ifxmips_led_exit(void)
|
|
+{
|
|
+ platform_driver_unregister(&ifxmips_led_driver);
|
|
+}
|
|
+
|
|
+module_init(ifxmips_led_init);
|
|
+module_exit(ifxmips_led_exit);
|