397 lines
11 KiB
C
397 lines
11 KiB
C
/*
|
|
* $Id$
|
|
*
|
|
* ADM5120 GPIO LED devices
|
|
*
|
|
* Copyright (C) 2007,2008 OpenWrt.org
|
|
* Copyright (C) 2007,2008 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 version 2 as published
|
|
* by the Free Software Foundation.
|
|
*
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/leds.h>
|
|
#include <linux/err.h>
|
|
|
|
#include <linux/io.h>
|
|
#include <linux/leds.h>
|
|
|
|
#include <asm/bootinfo.h>
|
|
#include <asm/gpio.h>
|
|
|
|
#include <adm5120_info.h>
|
|
|
|
#define NUM_LEDS_MAX 23
|
|
#define DRV_DESC "LED driver for the ADM5120 based boards"
|
|
|
|
#define ADM5120_GPIO_xxxx 0x100 /* an unknown pin */
|
|
|
|
struct mach_data {
|
|
unsigned long machtype;
|
|
unsigned nr_leds;
|
|
struct gpio_led *leds;
|
|
};
|
|
|
|
struct adm5120_leddev {
|
|
struct platform_device pdev;
|
|
struct gpio_led led;
|
|
struct gpio_led_platform_data pdata;
|
|
};
|
|
|
|
static int led_count;
|
|
static struct adm5120_leddev *led_devs[NUM_LEDS_MAX];
|
|
|
|
#define LED_ARRAY(n) \
|
|
static struct gpio_led n ## _leds [] __initdata =
|
|
|
|
#define LED_DATA(n, t, g, a) { \
|
|
.name = (n), \
|
|
.default_trigger = (t), \
|
|
.gpio = (g), \
|
|
.active_low = (a) \
|
|
}
|
|
|
|
#define LED_STD(g, n, t) LED_DATA((n), (t), (g), 0)
|
|
#define LED_INV(g, n, t) LED_DATA((n), (t), (g), 1)
|
|
|
|
/*
|
|
* Cellvision boards
|
|
*/
|
|
|
|
LED_ARRAY(cas771) {
|
|
LED_STD(ADM5120_GPIO_PIN0, "cam_flash", NULL),
|
|
/* GPIO PIN3 is the reset */
|
|
LED_STD(ADM5120_GPIO_PIN6, "access", NULL),
|
|
LED_STD(ADM5120_GPIO_P0L1, "status", NULL),
|
|
LED_STD(ADM5120_GPIO_P0L2, "diag", NULL),
|
|
};
|
|
|
|
/*
|
|
* 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
|
|
|
|
LED_ARRAY(np28g) {
|
|
LED_INV(ADM5120_GPIO_PIN2, "diag", NULL),
|
|
LED_INV(ADM5120_GPIO_PIN3, "power", NULL),
|
|
LED_INV(ADM5120_GPIO_PIN6, "wan_cond", NULL),
|
|
LED_INV(ADM5120_GPIO_PIN7, "wifi", NULL),
|
|
LED_INV(ADM5120_GPIO_P0L2, "usb1", NULL),
|
|
LED_INV(ADM5120_GPIO_P1L0, "lan1", NULL),
|
|
LED_INV(ADM5120_GPIO_P1L2, "usb2", NULL),
|
|
LED_INV(ADM5120_GPIO_P2L0, "lan2", NULL),
|
|
LED_INV(ADM5120_GPIO_P2L2, "usb3", NULL),
|
|
LED_INV(ADM5120_GPIO_P3L0, "lan3", NULL),
|
|
LED_INV(ADM5120_GPIO_P3L2, "usb4", NULL),
|
|
LED_INV(ADM5120_GPIO_P4L0, "wan", NULL),
|
|
};
|
|
|
|
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),
|
|
};
|
|
|
|
LED_ARRAY(br61x4wg) {
|
|
LED_STD(ADM5120_GPIO_PIN0, "power", NULL),
|
|
LED_STD(ADM5120_GPIO_PIN5, "wlan", 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
|
|
*/
|
|
LED_ARRAY(rb100) {
|
|
LED_STD(ADM5120_GPIO_PIN3, "user", NULL),
|
|
LED_INV(ADM5120_GPIO_P0L1, "lan_speed", NULL),
|
|
LED_INV(ADM5120_GPIO_P0L0, "lan_lnkact", NULL),
|
|
};
|
|
|
|
LED_ARRAY(rb133) {
|
|
LED_STD(ADM5120_GPIO_PIN6, "power", NULL),
|
|
LED_STD(ADM5120_GPIO_PIN5, "user", NULL),
|
|
LED_INV(ADM5120_GPIO_P2L1, "lan1_speed", NULL), /* untested */
|
|
LED_INV(ADM5120_GPIO_P2L0, "lan1_lnkact", NULL), /* untested */
|
|
};
|
|
|
|
LED_ARRAY(rb133c) {
|
|
LED_STD(ADM5120_GPIO_PIN6, "power", NULL),
|
|
LED_STD(ADM5120_GPIO_PIN5, "user", NULL),
|
|
LED_INV(ADM5120_GPIO_P2L1, "lan1_speed", NULL), /* untested */
|
|
LED_INV(ADM5120_GPIO_P2L0, "lan1_lnkact", NULL), /* untested */
|
|
LED_INV(ADM5120_GPIO_P1L1, "lan2_speed", NULL), /* untested */
|
|
LED_INV(ADM5120_GPIO_P1L0, "lan2_lnkact", NULL), /* untested */
|
|
LED_INV(ADM5120_GPIO_P0L1, "lan3_speed", NULL), /* untested */
|
|
LED_INV(ADM5120_GPIO_P0L0, "lan3_lnkact", NULL), /* untested */
|
|
};
|
|
|
|
LED_ARRAY(rb153) {
|
|
LED_STD(ADM5120_GPIO_PIN5, "user", NULL),
|
|
LED_INV(ADM5120_GPIO_P0L1, "lan1_speed", NULL),
|
|
LED_INV(ADM5120_GPIO_P0L0, "lan1_lnkact", NULL),
|
|
LED_INV(ADM5120_GPIO_P1L1, "lan5_speed", NULL),
|
|
LED_INV(ADM5120_GPIO_P1L0, "lan5_lnkact", NULL),
|
|
LED_INV(ADM5120_GPIO_P2L1, "lan4_speed", NULL),
|
|
LED_INV(ADM5120_GPIO_P2L0, "lan4_lnkact", NULL),
|
|
LED_INV(ADM5120_GPIO_P3L1, "lan3_speed", NULL),
|
|
LED_INV(ADM5120_GPIO_P3L0, "lan3_lnkact", NULL),
|
|
LED_INV(ADM5120_GPIO_P4L1, "lan2_speed", NULL),
|
|
LED_INV(ADM5120_GPIO_P4L0, "lan2_lnkact", 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), \
|
|
.nr_leds = ARRAY_SIZE(n ## _leds), \
|
|
.leds = n ## _leds \
|
|
}
|
|
|
|
static struct mach_data machines[] __initdata = {
|
|
MACH_DATA(MACH_ADM5120_GENERIC, generic),
|
|
/* Cellvision */
|
|
MACH_DATA(MACH_ADM5120_CAS771, cas771),
|
|
/* Compex */
|
|
MACH_DATA(MACH_ADM5120_NP28G, np28g),
|
|
MACH_DATA(MACH_ADM5120_NP28GHS, np28g),
|
|
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),
|
|
MACH_DATA(MACH_ADM5120_BR61x4WG, br61x4wg),
|
|
/* Mikrotik */
|
|
MACH_DATA(MACH_ADM5120_RB_111, rb100),
|
|
MACH_DATA(MACH_ADM5120_RB_112, rb100),
|
|
MACH_DATA(MACH_ADM5120_RB_133, rb133),
|
|
MACH_DATA(MACH_ADM5120_RB_133C, rb133c),
|
|
MACH_DATA(MACH_ADM5120_RB_153, rb153),
|
|
/* 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_NP27G, np27g),
|
|
#endif
|
|
};
|
|
|
|
static struct adm5120_leddev * __init
|
|
create_leddev(int id, struct gpio_led *led)
|
|
{
|
|
struct adm5120_leddev *p;
|
|
|
|
p = kzalloc(sizeof(*p), GFP_KERNEL);
|
|
if (p == NULL)
|
|
return NULL;
|
|
|
|
memcpy(&p->led, led, sizeof(p->led));
|
|
p->pdev.name = "leds-gpio";
|
|
p->pdev.id = id;
|
|
p->pdev.dev.platform_data = &p->pdata;
|
|
p->pdata.num_leds = 1;
|
|
p->pdata.leds = &p->led;
|
|
|
|
return p;
|
|
}
|
|
|
|
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;
|
|
|
|
mach = adm5120_leds_findmach(mips_machtype);
|
|
if (mach == NULL) {
|
|
printk(KERN_ERR "leds-adm5120: unsupported board\n");
|
|
ret = -EINVAL;
|
|
goto err;
|
|
}
|
|
|
|
for (i = 0; i < mach->nr_leds; i++) {
|
|
led_devs[i] = create_leddev(i, &mach->leds[i]);
|
|
if (led_devs[i] == NULL) {
|
|
ret = -ENOMEM;
|
|
goto err_destroy;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < mach->nr_leds; i++) {
|
|
ret = platform_device_register(&led_devs[i]->pdev);
|
|
if (ret)
|
|
goto err_unregister;
|
|
}
|
|
|
|
led_count = mach->nr_leds;
|
|
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++)
|
|
kfree(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);
|
|
kfree(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 v2");
|
|
|