diff options
Diffstat (limited to 'target/linux/adm5120/files/drivers/leds')
| -rw-r--r-- | target/linux/adm5120/files/drivers/leds/leds-adm5120.c | 361 | ||||
| -rwxr-xr-x | target/linux/adm5120/files/drivers/leds/leds-gpio.c | 212 |
2 files changed, 573 insertions, 0 deletions
diff --git a/target/linux/adm5120/files/drivers/leds/leds-adm5120.c b/target/linux/adm5120/files/drivers/leds/leds-adm5120.c new file mode 100644 index 000000000..06189371d --- /dev/null +++ b/target/linux/adm5120/files/drivers/leds/leds-adm5120.c @@ -0,0 +1,361 @@ +/* + * $Id$ + * + * ADM5120 GPIO LED devices + * + * Copyright (C) 2007 OpenWrt.org + * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org> + * + * 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., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/err.h> + +#include <linux/gpio_leds.h> + +#include <asm/bootinfo.h> +#include <asm/io.h> +#include <asm/gpio.h> + +#include <asm/mach-adm5120/adm5120_info.h> + +#define NUM_LEDS_MAX 23 + +#define ADM5120_GPIO_xxxx 0x100 /* an unknown pin */ + +struct mach_data { + unsigned long machtype; + unsigned count; + struct gpio_led_platform_data *data; +}; + +struct adm5120_leddev { + struct platform_device pdev; + struct gpio_led_platform_data pdata; +}; + +static int led_count = 0; +static struct adm5120_leddev *led_devs[NUM_LEDS_MAX]; + +#define LED_ARRAY(n) \ +static struct gpio_led_platform_data \ +n ## _leds [] __initdata = + +#define LED_DATA(n,t,g,off,on) { \ + .name = (n), \ + .trigger = (t), \ + .gpio = (g), \ + .value_off = (off), \ + .value_on = (on) \ + } + +#define LED_STD(g,n,t) LED_DATA((n),(t),(g), 0, 1) +#define LED_INV(g,n,t) LED_DATA((n),(t),(g), 1, 0) + +/* + * Compex boards + */ +#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL) +LED_ARRAY(np27g) { /* FIXME: untested */ + LED_STD(ADM5120_GPIO_xxxx, "lan1", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "lan2", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "lan3", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "lan4", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "wan_cond", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "wlan", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "wan_act", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "usb1", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "usb2", NULL ), + LED_INV(ADM5120_GPIO_PIN2, "power", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "diag", NULL ), +}; +#endif + +#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL) +LED_ARRAY(np28g) { /* FIXME: untested */ + LED_STD(ADM5120_GPIO_xxxx, "lan1", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "lan2", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "lan3", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "wan", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "wlan", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "usb1", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "usb2", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "usb3", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "usb4", NULL ), + LED_INV(ADM5120_GPIO_PIN2, "power", NULL ), + LED_STD(ADM5120_GPIO_xxxx, "diag", NULL ), +}; +#endif + +LED_ARRAY(wp54g) { + LED_INV(ADM5120_GPIO_PIN2, "diag", NULL ), + LED_INV(ADM5120_GPIO_PIN6, "wlan", NULL ), + LED_INV(ADM5120_GPIO_PIN7, "wan", NULL ), + LED_INV(ADM5120_GPIO_P0L0, "lan1", NULL ), + LED_INV(ADM5120_GPIO_P1L0, "lan2", NULL ), +}; + +/* + * Edimax boards + */ +LED_ARRAY(br6104k) { + LED_STD(ADM5120_GPIO_PIN0, "power", NULL ), + LED_INV(ADM5120_GPIO_P0L1, "wan_speed", NULL ), + LED_INV(ADM5120_GPIO_P0L0, "wan_lnkact", NULL ), + LED_INV(ADM5120_GPIO_P1L1, "lan1_speed", NULL ), + LED_INV(ADM5120_GPIO_P1L0, "lan1_lnkact", NULL ), + LED_INV(ADM5120_GPIO_P2L1, "lan2_speed", NULL ), + LED_INV(ADM5120_GPIO_P2L0, "lan2_lnkact", NULL ), + LED_INV(ADM5120_GPIO_P3L1, "lan3_speed", NULL ), + LED_INV(ADM5120_GPIO_P3L0, "lan3_lnkact", NULL ), + LED_INV(ADM5120_GPIO_P4L1, "lan4_speed", NULL ), + LED_INV(ADM5120_GPIO_P4L0, "lan4_lnkact", NULL ), +}; + +/* + * Mikrotik boards + */ +#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL) +LED_ARRAY(rb100) { /* FIXME: untested */ + LED_STD(ADM5120_GPIO_PIN6, "power", NULL ), + LED_STD(ADM5120_GPIO_PIN3, "user", NULL ), +}; +#endif + +LED_ARRAY(rb133) { + LED_STD(ADM5120_GPIO_PIN6, "power", NULL ), + LED_STD(ADM5120_GPIO_PIN5, "user", NULL ), +}; + +/* + * ZyXEL boards + */ +#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL) +LED_ARRAY(p334) { /* FIXME: untested */ + LED_INV(ADM5120_GPIO_xxxx, "power", NULL ), + LED_INV(ADM5120_GPIO_xxxx, "lan1", NULL ), + LED_INV(ADM5120_GPIO_xxxx, "lan2", NULL ), + LED_INV(ADM5120_GPIO_xxxx, "lan3", NULL ), + LED_INV(ADM5120_GPIO_xxxx, "lan4", NULL ), + LED_INV(ADM5120_GPIO_xxxx, "wan", NULL ), +}; +#endif + +LED_ARRAY(p334wt) { + LED_INV(ADM5120_GPIO_PIN2, "power", NULL ), + LED_INV(ADM5120_GPIO_P3L0, "lan1", NULL ), + LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL ), + LED_INV(ADM5120_GPIO_P1L0, "lan3", NULL ), + LED_INV(ADM5120_GPIO_P0L0, "lan4", NULL ), + LED_INV(ADM5120_GPIO_P4L0, "wan", NULL ), + LED_INV(ADM5120_GPIO_P4L2, "wlan", NULL ), + LED_INV(ADM5120_GPIO_P2L2, "otist", NULL ), + LED_INV(ADM5120_GPIO_P1L2, "hidden", NULL ), +}; + +#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL) +LED_ARRAY(p335) { /* FIXME: untested */ + LED_INV(ADM5120_GPIO_PIN2, "power", NULL ), + LED_INV(ADM5120_GPIO_P3L0, "lan1", NULL ), + LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL ), + LED_INV(ADM5120_GPIO_P1L0, "lan3", NULL ), + LED_INV(ADM5120_GPIO_P0L0, "lan4", NULL ), + LED_INV(ADM5120_GPIO_P4L0, "wan", NULL ), + LED_INV(ADM5120_GPIO_P4L2, "wlan", NULL ), + LED_INV(ADM5120_GPIO_P2L2, "otist", NULL ), + LED_INV(ADM5120_GPIO_xxxx, "usb", NULL ), +}; +#endif + +/* + * Generic board + */ +LED_ARRAY(generic) { +#if defined(CONFIG_LEDS_ADM5120_DIAG) + LED_STD(ADM5120_GPIO_PIN0, "gpio0", NULL ), + LED_STD(ADM5120_GPIO_PIN1, "gpio1", NULL ), + LED_STD(ADM5120_GPIO_PIN2, "gpio2", NULL ), + LED_STD(ADM5120_GPIO_PIN3, "gpio3", NULL ), + LED_STD(ADM5120_GPIO_PIN4, "gpio4", NULL ), + LED_STD(ADM5120_GPIO_PIN5, "gpio5", NULL ), + LED_STD(ADM5120_GPIO_PIN6, "gpio6", NULL ), + LED_STD(ADM5120_GPIO_PIN7, "gpio7", NULL ), + LED_STD(ADM5120_GPIO_P0L0, "port0led0", NULL ), + LED_STD(ADM5120_GPIO_P0L1, "port0led1", NULL ), + LED_STD(ADM5120_GPIO_P0L2, "port0led2", NULL ), + LED_STD(ADM5120_GPIO_P1L0, "port1led0", NULL ), + LED_STD(ADM5120_GPIO_P1L1, "port1led1", NULL ), + LED_STD(ADM5120_GPIO_P1L2, "port1led2", NULL ), + LED_STD(ADM5120_GPIO_P2L0, "port2led0", NULL ), + LED_STD(ADM5120_GPIO_P2L1, "port2led1", NULL ), + LED_STD(ADM5120_GPIO_P2L2, "port2led2", NULL ), + LED_STD(ADM5120_GPIO_P3L0, "port3led0", NULL ), + LED_STD(ADM5120_GPIO_P3L1, "port3led1", NULL ), + LED_STD(ADM5120_GPIO_P3L2, "port3led2", NULL ), + LED_STD(ADM5120_GPIO_P4L0, "port4led0", NULL ), + LED_STD(ADM5120_GPIO_P4L1, "port4led1", NULL ), + LED_STD(ADM5120_GPIO_P4L2, "port4led2", NULL ), +#endif +}; + +#define MACH_DATA(m, n) { \ + .machtype = (m), \ + .count = ARRAY_SIZE(n ## _leds), \ + .data = n ## _leds \ +} + +static struct mach_data machines[] __initdata = { + MACH_DATA(MACH_ADM5120_GENERIC, generic), + /* Compex */ + MACH_DATA(MACH_ADM5120_WP54AG, wp54g), + MACH_DATA(MACH_ADM5120_WP54G, wp54g), + MACH_DATA(MACH_ADM5120_WP54G_WRT, wp54g), + MACH_DATA(MACH_ADM5120_WPP54AG, wp54g), + MACH_DATA(MACH_ADM5120_WPP54G, wp54g), + /* Edimax */ + MACH_DATA(MACH_ADM5120_BR6104K, br6104k), + /* Mikrotik */ + MACH_DATA(MACH_ADM5120_RB_133, rb133), + MACH_DATA(MACH_ADM5120_RB_133C, rb133), + /* ZyXEL */ + MACH_DATA(MACH_ADM5120_P334WT, p334wt), +#if defined(CONFIG_LEDS_ADM5120_EXPERIMENTAL) + /* untested */ + MACH_DATA(MACH_ADM5120_P334, p334), + MACH_DATA(MACH_ADM5120_P335, p335), + MACH_DATA(MACH_ADM5120_RB_111, rb100), + MACH_DATA(MACH_ADM5120_RB_112, rb100), + MACH_DATA(MACH_ADM5120_NP27G, np27g), + MACH_DATA(MACH_ADM5120_NP28G, np28g), + MACH_DATA(MACH_ADM5120_NP28GHS, np28g), +#endif +}; + +static struct adm5120_leddev * __init +create_leddev(struct gpio_led_platform_data *data) +{ + struct adm5120_leddev *p; + + p = kzalloc(sizeof(*p), GFP_KERNEL); + if (p == NULL) + return NULL; + + memcpy(&p->pdata, data, sizeof(p->pdata)); + p->pdev.dev.platform_data = &p->pdata; + + return p; +} + +static void +destroy_leddev(struct adm5120_leddev *led) +{ + if (led) + kfree(led); +} + +static struct mach_data * __init +adm5120_leds_findmach(unsigned long machtype) +{ + struct mach_data *mach; + int i; + + mach = NULL; + for (i=0; i<ARRAY_SIZE(machines); i++) { + if (machines[i].machtype == machtype) { + mach = &machines[i]; + break; + } + }; + +#if defined(CONFIG_LEDS_ADM5120_DIAG) + if (mach == NULL) + mach = machines; +#endif + + return mach; +} + +static int __init +adm5120_leds_init(void) +{ + struct mach_data *mach; + int i, ret; + + if (mips_machgroup != MACH_GROUP_ADM5120) { + ret = -EINVAL; + goto err; + } + + mach = adm5120_leds_findmach(mips_machtype); + if (mach == NULL) { + /* the board is not yet supported */ + ret = -EINVAL; + goto err; + } + + for (i=0; i < mach->count; i++) { + led_devs[i] = create_leddev(&mach->data[i]); + if (led_devs[i] == NULL) { + ret = -ENOMEM; + goto err_destroy; + } + led_devs[i]->pdev.name = "gpio-led"; + led_devs[i]->pdev.id = i; + } + + for (i=0; i < mach->count; i++) { + ret = platform_device_register(&led_devs[i]->pdev); + if (ret) + goto err_unregister; + } + + led_count = mach->count; + return 0; + +err_unregister: + for (i--; i>=0; i--) + platform_device_unregister(&led_devs[i]->pdev); + +err_destroy: + for (i=0; i<led_count; i++) + destroy_leddev(led_devs[i]); +err: + return ret; +} + +static void __exit +adm5120_leds_exit(void) +{ + int i; + + for (i=0; i < led_count; i++) { + platform_device_unregister(&led_devs[i]->pdev); + destroy_leddev(led_devs[i]); + } +} + +module_init(adm5120_leds_init); +module_exit(adm5120_leds_exit); + +MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>"); +MODULE_DESCRIPTION(DRV_DESC); +MODULE_LICENSE("GPL"); + diff --git a/target/linux/adm5120/files/drivers/leds/leds-gpio.c b/target/linux/adm5120/files/drivers/leds/leds-gpio.c new file mode 100755 index 000000000..b1a1f1ce9 --- /dev/null +++ b/target/linux/adm5120/files/drivers/leds/leds-gpio.c @@ -0,0 +1,212 @@ +/* + * $Id$ + * + * Driver for LEDs connected to GPIO lines + * + * Copyright (C) 2007 OpenWrt.org + * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org> + * + * This file was derived from: + * /drivers/led/leds-s3c24xx.c + * (c) 2006 Simtec Electronics, Ben Dooks <ben@simtec.co.uk> + * + * 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., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/err.h> + +#include <linux/gpio_leds.h> + +#include <asm/io.h> +#include <asm/gpio.h> + +#define DRV_NAME "gpio-led" +#define DRV_DESC "GPIO LEDs driver" + +struct gpio_led_device { + struct led_classdev cdev; + struct gpio_led_platform_data *pdata; +}; + +static inline struct gpio_led_device *pdev_to_led(struct platform_device *dev) +{ + return platform_get_drvdata(dev); +} + +static inline struct gpio_led_device *class_to_led(struct led_classdev *led_cdev) +{ + return container_of(led_cdev, struct gpio_led_device, cdev); +} + +static void gpio_led_set(struct led_classdev *led_cdev, + enum led_brightness brightness) +{ + struct gpio_led_device *led; + struct gpio_led_platform_data *pdata; + + led = class_to_led(led_cdev); + pdata = led->pdata; + + switch (brightness) { + case LED_FULL: + gpio_direction_output(pdata->gpio, pdata->value_on); + break; + case LED_OFF: + gpio_direction_output(pdata->gpio, pdata->value_off); + break; + default: + gpio_direction_output(pdata->gpio, brightness); + break; + } +} + +static int __devinit gpio_led_probe(struct platform_device *dev) +{ + struct gpio_led_platform_data *pdata; + struct gpio_led_device *led; + int ret; + + pdata = dev->dev.platform_data; + if (pdata == NULL) { + dev_err(&dev->dev, "no platform data, id=%d\n", dev->id); + ret = -EINVAL; + goto err; + } + + if (pdata->name == NULL) { + dev_err(&dev->dev, "no led name specified\n"); + ret = -EINVAL; + goto err; + } + + ret = gpio_request(pdata->gpio, pdata->name); + if (ret) { + dev_err(&dev->dev, "gpio_request failed\n"); + goto err; + } + + led = kzalloc(sizeof(*led), GFP_KERNEL); + if (led == NULL) { + dev_err(&dev->dev, "no memory for device"); + ret = -ENOMEM; + goto err_free_gpio; + } + + platform_set_drvdata(dev, led); + led->pdata = pdata; + led->cdev.name = pdata->name; + led->cdev.brightness_set = gpio_led_set; +#ifdef CONFIG_LEDS_TRIGGERS + led->cdev.default_trigger = pdata->trigger; +#endif + + ret = led_classdev_register(&dev->dev, &led->cdev); + if (ret < 0) { + dev_err(&dev->dev, "led_classdev_register failed"); + goto err_free_led; + } + + return 0; + +err_free_led: + kfree(led); +err_free_gpio: + gpio_free(pdata->gpio); +err: + return ret; +} + +static int __devexit gpio_led_remove(struct platform_device *dev) +{ + struct gpio_led_device *led; + struct gpio_led_platform_data *pdata; + + pdata = dev->dev.platform_data; + + led = pdev_to_led(dev); + led_classdev_unregister(&led->cdev); + kfree(led); + + gpio_free(pdata->gpio); + + return 0; +} + +#ifdef CONFIG_PM +static int gpio_led_suspend(struct platform_device *dev, + pm_message_t state) +{ + struct gpio_led_device *led; + + led = pdev_to_led(dev); + led_classdev_suspend(&led->cdev); + + return 0; +} + +static int gpio_led_resume(struct platform_device *dev) +{ + struct gpio_led_device *led; + + led = pdev_to_led(dev); + led_classdev_resume(&led->cdev); + + return 0; +} +#endif /* CONFIG_PM */ + +static struct platform_driver gpio_led_driver = { + .probe = gpio_led_probe, + .remove = __devexit_p(gpio_led_remove), +#ifdef CONFIG_PM + .suspend = gpio_led_suspend, + .resume = gpio_led_resume, +#endif + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, +}; + +static int __init gpio_led_init(void) +{ + int ret; + + ret = platform_driver_register(&gpio_led_driver); + if (ret) + printk(KERN_ALERT DRV_DESC " register failed\n"); + else + printk(KERN_INFO DRV_DESC " registered\n"); + + return ret; +} + +static void __exit gpio_led_exit(void) +{ + platform_driver_unregister(&gpio_led_driver); +} + +module_init(gpio_led_init); +module_exit(gpio_led_exit); + +MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>"); +MODULE_DESCRIPTION(DRV_DESC); +MODULE_LICENSE("GPL"); |