diff options
Diffstat (limited to 'target/linux/ifxmips/patches-2.6.30/160-led.patch')
| -rw-r--r-- | target/linux/ifxmips/patches-2.6.30/160-led.patch | 213 |
1 files changed, 207 insertions, 6 deletions
diff --git a/target/linux/ifxmips/patches-2.6.30/160-led.patch b/target/linux/ifxmips/patches-2.6.30/160-led.patch index aca11d553..3d4c99745 100644 --- a/target/linux/ifxmips/patches-2.6.30/160-led.patch +++ b/target/linux/ifxmips/patches-2.6.30/160-led.patch @@ -1,7 +1,7 @@ -Index: linux-2.6.30.5/drivers/leds/Kconfig +Index: linux-2.6.30.8/drivers/leds/Kconfig =================================================================== ---- linux-2.6.30.5.orig/drivers/leds/Kconfig 2009-09-02 18:22:49.000000000 +0200 -+++ linux-2.6.30.5/drivers/leds/Kconfig 2009-09-02 18:29:51.000000000 +0200 +--- 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. @@ -15,10 +15,10 @@ Index: linux-2.6.30.5/drivers/leds/Kconfig comment "LED Triggers" config LEDS_TRIGGERS -Index: linux-2.6.30.5/drivers/leds/Makefile +Index: linux-2.6.30.8/drivers/leds/Makefile =================================================================== ---- linux-2.6.30.5.orig/drivers/leds/Makefile 2009-09-02 18:22:49.000000000 +0200 -+++ linux-2.6.30.5/drivers/leds/Makefile 2009-09-02 18:31:23.000000000 +0200 +--- 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 @@ -27,3 +27,204 @@ Index: linux-2.6.30.5/drivers/leds/Makefile # 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); |