1114 lines
27 KiB
C
1114 lines
27 KiB
C
/*
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* diag.c - GPIO interface driver for Broadcom boards
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*
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* Copyright (C) 2006 Mike Baker <mbm@openwrt.org>,
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* Copyright (C) 2006-2007 Felix Fietkau <nbd@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Id$
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*/
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <linux/kmod.h>
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#include <linux/proc_fs.h>
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#include <linux/timer.h>
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#include <linux/version.h>
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#include <asm/uaccess.h>
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#ifndef LINUX_2_4
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#include <linux/workqueue.h>
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#include <linux/skbuff.h>
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#include <linux/netlink.h>
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#include <net/sock.h>
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extern struct sock *uevent_sock;
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extern u64 uevent_next_seqnum(void);
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#else
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#include <linux/tqueue.h>
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#define INIT_WORK INIT_TQUEUE
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#define schedule_work schedule_task
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#define work_struct tq_struct
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#endif
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#include "gpio.h"
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#include "diag.h"
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#define getvar(str) (nvram_get(str)?:"")
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static int fill_event(struct event_t *);
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static unsigned int gpiomask = 0;
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module_param(gpiomask, int, 0644);
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enum {
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/* Linksys */
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WAP54GV1,
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WAP54GV3,
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WRT54GV1,
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WRT54G,
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WRTSL54GS,
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WRT54G3G,
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WRT350N,
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/* ASUS */
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WLHDD,
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WL300G,
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WL500G,
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WL500GD,
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WL500GP,
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WL500W,
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ASUS_4702,
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WL700GE,
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/* Buffalo */
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WBR2_G54,
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WHR_G54S,
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WHR_HP_G54,
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WHR2_A54G54,
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WLA2_G54L,
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WZR_G300N,
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WZR_RS_G54,
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WZR_RS_G54HP,
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BUFFALO_UNKNOWN,
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BUFFALO_UNKNOWN_4710,
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/* Siemens */
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SE505V1,
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SE505V2,
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/* US Robotics */
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USR5461,
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/* Dell */
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TM2300,
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/* Motorola */
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WE800G,
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WR850GV1,
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WR850GV2V3,
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/* Belkin */
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BELKIN_UNKNOWN,
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/* Netgear */
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WGT634U,
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/* Trendware */
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TEW411BRPP,
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/* SimpleTech */
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STI_NAS,
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/* D-Link */
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DIR130,
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DIR330,
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};
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static void __init bcm4780_init(void) {
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int pin = 1 << 3;
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/* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
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printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
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gpio_outen(pin, pin);
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gpio_control(pin, 0);
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gpio_out(pin, pin);
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/* Wait 5s, so the HDD can spin up */
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set_current_state(TASK_INTERRUPTIBLE);
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schedule_timeout(HZ * 5);
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}
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static struct platform_t __initdata platforms[] = {
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/* Linksys */
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[WAP54GV1] = {
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.name = "Linksys WAP54G V1",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 0 },
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},
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.leds = {
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{ .name = "diag", .gpio = 1 << 3 },
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{ .name = "wlan", .gpio = 1 << 4 },
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},
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},
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[WAP54GV3] = {
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.name = "Linksys WAP54G V3",
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.buttons = {
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/* FIXME: verify this */
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{ .name = "reset", .gpio = 1 << 7 },
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{ .name = "ses", .gpio = 1 << 0 },
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},
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.leds = {
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/* FIXME: diag? */
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{ .name = "ses", .gpio = 1 << 1 },
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},
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},
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[WRT54GV1] = {
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.name = "Linksys WRT54G V1.x",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 6 },
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},
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.leds = {
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{ .name = "diag", .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
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{ .name = "dmz", .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
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},
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},
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[WRT54G] = {
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.name = "Linksys WRT54G/GS/GL",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 6 },
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{ .name = "ses", .gpio = 1 << 4 },
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},
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.leds = {
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{ .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
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{ .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
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{ .name = "ses_white", .gpio = 1 << 2, .polarity = REVERSE },
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{ .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
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{ .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
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},
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},
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[WRTSL54GS] = {
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.name = "Linksys WRTSL54GS",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 6 },
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{ .name = "ses", .gpio = 1 << 4 },
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},
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.leds = {
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{ .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
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{ .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
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{ .name = "ses_white", .gpio = 1 << 5, .polarity = REVERSE },
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{ .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
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},
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},
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[WRT54G3G] = {
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.name = "Linksys WRT54G3G",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 6 },
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{ .name = "3g", .gpio = 1 << 4 },
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},
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.leds = {
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{ .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
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{ .name = "dmz", .gpio = 1 << 7, .polarity = REVERSE },
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{ .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
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{ .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
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{ .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
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},
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},
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[WRT350N] = {
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.name = "Linksys WRT350N",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 6 },
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{ .name = "ses", .gpio = 1 << 8 },
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},
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.leds = {
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{ .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
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{ .name = "ses", .gpio = 1 << 3, .polarity = REVERSE },
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},
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},
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/* Asus */
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[WLHDD] = {
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.name = "ASUS WL-HDD",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 6 },
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},
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.leds = {
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{ .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
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{ .name = "usb", .gpio = 1 << 2, .polarity = NORMAL },
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},
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},
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[WL300G] = {
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.name = "ASUS WL-300g",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 6 },
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},
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.leds = {
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{ .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
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},
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},
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[WL500G] = {
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.name = "ASUS WL-500g",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 6 },
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},
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.leds = {
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{ .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
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},
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},
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[WL500GD] = {
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.name = "ASUS WL-500g Deluxe",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 6 },
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},
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.leds = {
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{ .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
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},
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},
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[WL500GP] = {
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.name = "ASUS WL-500g Premium",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 0 },
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{ .name = "ses", .gpio = 1 << 4 },
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},
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.leds = {
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{ .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
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},
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},
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[WL500W] = {
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.name = "ASUS WL-500W",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 6 },
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{ .name = "ses", .gpio = 1 << 7 },
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},
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.leds = {
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{ .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
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},
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},
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[ASUS_4702] = {
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.name = "ASUS (unknown, BCM4702)",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 6 },
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},
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.leds = {
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{ .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
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},
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},
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[WL700GE] = {
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.name = "ASUS WL-700gE",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
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{ .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
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{ .name = "power", .gpio = 1 << 0 }, // on front
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{ .name = "copy", .gpio = 1 << 6 }, // on front
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},
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.leds = {
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#if 0
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// GPIO that controls power led also enables/disables some essential functions
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// - power to HDD
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// - switch leds
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{ .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
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#endif
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{ .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
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},
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.platform_init = bcm4780_init,
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},
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/* Buffalo */
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[WHR_G54S] = {
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.name = "Buffalo WHR-G54S",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 4 },
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{ .name = "bridge", .gpio = 1 << 5 },
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{ .name = "ses", .gpio = 1 << 0 },
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},
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.leds = {
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{ .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
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{ .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
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{ .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
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{ .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
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{ .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
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},
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},
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[WBR2_G54] = {
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.name = "Buffalo WBR2-G54",
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/* FIXME: verify */
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.buttons = {
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{ .name = "reset", .gpio = 1 << 7 },
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},
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.leds = {
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{ .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
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},
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},
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[WHR_HP_G54] = {
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.name = "Buffalo WHR-HP-G54",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 4 },
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{ .name = "bridge", .gpio = 1 << 5 },
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{ .name = "ses", .gpio = 1 << 0 },
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},
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.leds = {
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{ .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
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{ .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
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{ .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
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{ .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
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{ .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
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},
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},
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[WHR2_A54G54] = {
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.name = "Buffalo WHR2-A54G54",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 4 },
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},
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.leds = {
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{ .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
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},
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},
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[WLA2_G54L] = {
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.name = "Buffalo WLA2-G54L",
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/* FIXME: verify */
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.buttons = {
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{ .name = "reset", .gpio = 1 << 7 },
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},
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.leds = {
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{ .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
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},
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},
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[WZR_G300N] = {
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.name = "Buffalo WZR-G300N",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 4 },
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},
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.leds = {
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{ .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
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{ .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
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{ .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
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},
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},
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[WZR_RS_G54] = {
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.name = "Buffalo WZR-RS-G54",
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.buttons = {
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{ .name = "ses", .gpio = 1 << 0 },
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{ .name = "reset", .gpio = 1 << 4 },
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},
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.leds = {
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{ .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
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{ .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
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{ .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
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},
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},
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[WZR_RS_G54HP] = {
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.name = "Buffalo WZR-RS-G54HP",
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.buttons = {
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{ .name = "ses", .gpio = 1 << 0 },
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{ .name = "reset", .gpio = 1 << 4 },
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},
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.leds = {
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{ .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
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{ .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
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{ .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
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},
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},
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[BUFFALO_UNKNOWN] = {
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.name = "Buffalo (unknown)",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 7 },
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},
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.leds = {
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{ .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
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},
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},
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[BUFFALO_UNKNOWN_4710] = {
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.name = "Buffalo (unknown, BCM4710)",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 4 },
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},
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.leds = {
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{ .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
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},
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},
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/* Siemens */
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[SE505V1] = {
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.name = "Siemens SE505 V1",
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.buttons = {
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/* No usable buttons */
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},
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.leds = {
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{ .name = "dmz", .gpio = 1 << 4, .polarity = REVERSE },
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{ .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
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},
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},
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[SE505V2] = {
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.name = "Siemens SE505 V2",
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.buttons = {
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/* No usable buttons */
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},
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.leds = {
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{ .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
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{ .name = "dmz", .gpio = 1 << 0, .polarity = REVERSE },
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{ .name = "wlan", .gpio = 1 << 3, .polarity = REVERSE },
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},
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},
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/* US Robotics */
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[USR5461] = {
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.name = "U.S. Robotics USR5461",
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.buttons = {
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/* No usable buttons */
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},
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.leds = {
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{ .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
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{ .name = "printer", .gpio = 1 << 1, .polarity = REVERSE },
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},
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},
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/* Dell */
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[TM2300] = {
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.name = "Dell TrueMobile 2300",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 0 },
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},
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.leds = {
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{ .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
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{ .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
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},
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},
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/* Motorola */
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[WE800G] = {
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.name = "Motorola WE800G",
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.buttons = {
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{ .name = "reset", .gpio = 1 << 0 },
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},
|
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.leds = {
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{ .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
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{ .name = "diag", .gpio = 1 << 2, .polarity = REVERSE },
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{ .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
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},
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},
|
|
[WR850GV1] = {
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.name = "Motorola WR850G V1",
|
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.buttons = {
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{ .name = "reset", .gpio = 1 << 0 },
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},
|
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.leds = {
|
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{ .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
|
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{ .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
|
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{ .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
|
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{ .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
|
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{ .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
|
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},
|
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},
|
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[WR850GV2V3] = {
|
|
.name = "Motorola WR850G V2/V3",
|
|
.buttons = {
|
|
{ .name = "reset", .gpio = 1 << 5 },
|
|
},
|
|
.leds = {
|
|
{ .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
|
|
{ .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
|
|
{ .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
|
|
{ .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
|
|
},
|
|
},
|
|
/* Belkin */
|
|
[BELKIN_UNKNOWN] = {
|
|
.name = "Belkin (unknown)",
|
|
/* FIXME: verify & add detection */
|
|
.buttons = {
|
|
{ .name = "reset", .gpio = 1 << 7 },
|
|
},
|
|
.leds = {
|
|
{ .name = "power", .gpio = 1 << 5, .polarity = NORMAL },
|
|
{ .name = "wlan", .gpio = 1 << 3, .polarity = NORMAL },
|
|
{ .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
|
|
},
|
|
},
|
|
/* Netgear */
|
|
[WGT634U] = {
|
|
.name = "Netgear WGT634U",
|
|
.buttons = {
|
|
{ .name = "reset", .gpio = 1 << 2 },
|
|
},
|
|
.leds = {
|
|
{ .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
|
|
},
|
|
},
|
|
/* Trendware */
|
|
[TEW411BRPP] = {
|
|
.name = "Trendware TEW411BRP+",
|
|
.buttons = {
|
|
{ /* No usable buttons */ },
|
|
},
|
|
.leds = {
|
|
{ .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
|
|
{ .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
|
|
{ .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
|
|
},
|
|
},
|
|
/* SimpleTech */
|
|
[STI_NAS] = {
|
|
.name = "SimpleTech SimpleShare NAS",
|
|
.buttons = {
|
|
{ .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
|
|
{ .name = "power", .gpio = 1 << 0 }, // on back
|
|
},
|
|
.leds = {
|
|
{ .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
|
|
},
|
|
.platform_init = bcm4780_init,
|
|
},
|
|
/* D-Link */
|
|
[DIR130] = {
|
|
.name = "D-Link DIR-130",
|
|
.buttons = {
|
|
{ .name = "reset", .gpio = 1 << 3},
|
|
{ .name = "reserved", .gpio = 1 << 7},
|
|
},
|
|
.leds = {
|
|
{ .name = "diag", .gpio = 1 << 0},
|
|
{ .name = "blue", .gpio = 1 << 6},
|
|
},
|
|
},
|
|
[DIR330] = {
|
|
.name = "D-Link DIR-330",
|
|
.buttons = {
|
|
{ .name = "reset", .gpio = 1 << 3},
|
|
{ .name = "reserved", .gpio = 1 << 7},
|
|
},
|
|
.leds = {
|
|
{ .name = "diag", .gpio = 1 << 0},
|
|
{ .name = "usb", .gpio = 1 << 4},
|
|
{ .name = "blue", .gpio = 1 << 6},
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct platform_t __init *platform_detect(void)
|
|
{
|
|
char *boardnum, *boardtype, *buf;
|
|
|
|
boardnum = getvar("boardnum");
|
|
boardtype = getvar("boardtype");
|
|
|
|
if (strcmp(getvar("nvram_type"), "cfe") == 0)
|
|
return &platforms[WGT634U];
|
|
|
|
if (strncmp(getvar("model_no"), "WL700",5) == 0)
|
|
return &platforms[WL700GE];
|
|
|
|
if (strncmp(getvar("pmon_ver"), "CFE", 3) == 0) {
|
|
/* CFE based - newer hardware */
|
|
if (!strcmp(boardnum, "42")) { /* Linksys */
|
|
if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
|
|
return &platforms[WRT350N];
|
|
|
|
if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
|
|
return &platforms[WRT54G3G];
|
|
|
|
if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
|
|
return &platforms[WRTSL54GS];
|
|
|
|
/* default to WRT54G */
|
|
return &platforms[WRT54G];
|
|
}
|
|
|
|
if (!strcmp(boardnum, "45")) { /* ASUS */
|
|
if (!strcmp(boardtype,"0x042f"))
|
|
return &platforms[WL500GP];
|
|
else if (!strcmp(boardtype,"0x0472"))
|
|
return &platforms[WL500W];
|
|
else
|
|
return &platforms[WL500GD];
|
|
}
|
|
|
|
if (!strcmp(boardnum, "10496"))
|
|
return &platforms[USR5461];
|
|
|
|
/* D-Link */
|
|
if (!strcmp(getvar("model_name"), "DIR-130"))
|
|
return &platforms[DIR130];
|
|
if (!strcmp(getvar("model_name"), "DIR-330"))
|
|
return &platforms[DIR330];
|
|
|
|
} else { /* PMON based - old stuff */
|
|
|
|
/* Dell TrueMobile 2300 */
|
|
if (!strcmp(getvar("ModelId"),"WX-5565"))
|
|
return &platforms[TM2300];
|
|
|
|
if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
|
|
(simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
|
|
if (!strncmp(getvar("ModelId"),"WE800G", 6))
|
|
return &platforms[WE800G];
|
|
else
|
|
return &platforms[WR850GV1];
|
|
}
|
|
if (!strncmp(boardtype, "bcm94710dev", 11)) {
|
|
if (!strcmp(boardnum, "42"))
|
|
return &platforms[WRT54GV1];
|
|
if (simple_strtoul(boardnum, NULL, 0) == 2)
|
|
return &platforms[WAP54GV1];
|
|
}
|
|
if (!strncmp(getvar("hardware_version"), "WL500-", 6))
|
|
return &platforms[WL500G];
|
|
if (!strncmp(getvar("hardware_version"), "WL300-", 6)) {
|
|
/* Either WL-300g or WL-HDD, do more extensive checks */
|
|
if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
|
|
(simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
|
|
return &platforms[WLHDD];
|
|
if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
|
|
(simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
|
|
return &platforms[WL300G];
|
|
}
|
|
|
|
/* unknown asus stuff, probably bcm4702 */
|
|
if (!strncmp(boardnum, "asusX", 5))
|
|
return &platforms[ASUS_4702];
|
|
}
|
|
|
|
if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
|
|
/* Buffalo hardware, check id for specific hardware matches */
|
|
if (!strcmp(buf, "29bb0332"))
|
|
return &platforms[WBR2_G54];
|
|
if (!strcmp(buf, "29129"))
|
|
return &platforms[WLA2_G54L];
|
|
if (!strcmp(buf, "30189"))
|
|
return &platforms[WHR_HP_G54];
|
|
if (!strcmp(buf, "30182"))
|
|
return &platforms[WHR_G54S];
|
|
if (!strcmp(buf, "290441dd"))
|
|
return &platforms[WHR2_A54G54];
|
|
if (!strcmp(buf, "31120"))
|
|
return &platforms[WZR_G300N];
|
|
if (!strcmp(buf, "30083"))
|
|
return &platforms[WZR_RS_G54];
|
|
if (!strcmp(buf, "30103"))
|
|
return &platforms[WZR_RS_G54HP];
|
|
}
|
|
|
|
if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
|
|
if (!strncmp(boardtype, "bcm94710ap", 10))
|
|
return &platforms[BUFFALO_UNKNOWN_4710];
|
|
else
|
|
return &platforms[BUFFALO_UNKNOWN];
|
|
}
|
|
|
|
if (!strcmp(getvar("CFEver"), "MotoWRv203") ||
|
|
!strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
|
|
|
|
return &platforms[WR850GV2V3];
|
|
}
|
|
|
|
if (!strcmp(boardnum, "44")) { /* Trendware TEW-411BRP+ */
|
|
return &platforms[TEW411BRPP];
|
|
}
|
|
|
|
if (!strncmp(boardnum, "04FN52", 6)) /* SimpleTech SimpleShare */
|
|
return &platforms[STI_NAS];
|
|
|
|
/* not found */
|
|
return NULL;
|
|
}
|
|
|
|
static void register_buttons(struct button_t *b)
|
|
{
|
|
for (; b->name; b++)
|
|
platform.button_mask |= b->gpio;
|
|
|
|
platform.button_mask &= ~gpiomask;
|
|
|
|
gpio_outen(platform.button_mask, 0);
|
|
gpio_control(platform.button_mask, 0);
|
|
platform.button_polarity = gpio_in() & platform.button_mask;
|
|
gpio_intpolarity(platform.button_mask, platform.button_polarity);
|
|
gpio_intmask(platform.button_mask, platform.button_mask);
|
|
|
|
gpio_set_irqenable(1, button_handler);
|
|
}
|
|
|
|
static void unregister_buttons(struct button_t *b)
|
|
{
|
|
gpio_intmask(platform.button_mask, 0);
|
|
|
|
gpio_set_irqenable(0, button_handler);
|
|
}
|
|
|
|
|
|
#ifndef LINUX_2_4
|
|
static void add_msg(struct event_t *event, char *msg, int argv)
|
|
{
|
|
char *s;
|
|
|
|
if (argv)
|
|
return;
|
|
|
|
s = skb_put(event->skb, strlen(msg) + 1);
|
|
strcpy(s, msg);
|
|
}
|
|
|
|
static void hotplug_button(struct work_struct *work)
|
|
{
|
|
struct event_t *event = container_of(work, struct event_t, wq);
|
|
char *s;
|
|
|
|
if (!uevent_sock)
|
|
return;
|
|
|
|
event->skb = alloc_skb(2048, GFP_KERNEL);
|
|
|
|
s = skb_put(event->skb, strlen(event->action) + 2);
|
|
sprintf(s, "%s@", event->action);
|
|
fill_event(event);
|
|
|
|
NETLINK_CB(event->skb).dst_group = 1;
|
|
netlink_broadcast(uevent_sock, event->skb, 0, 1, GFP_KERNEL);
|
|
|
|
kfree(event);
|
|
}
|
|
|
|
#else /* !LINUX_2_4 */
|
|
static inline char *kzalloc(unsigned int size, unsigned int gfp)
|
|
{
|
|
char *p;
|
|
|
|
p = kmalloc(size, gfp);
|
|
if (p == NULL)
|
|
return NULL;
|
|
|
|
memset(p, 0, size);
|
|
|
|
return p;
|
|
}
|
|
|
|
static void add_msg(struct event_t *event, char *msg, int argv)
|
|
{
|
|
if (argv)
|
|
event->argv[event->anr++] = event->scratch;
|
|
else
|
|
event->envp[event->enr++] = event->scratch;
|
|
|
|
event->scratch += sprintf(event->scratch, "%s", msg) + 1;
|
|
}
|
|
|
|
static void hotplug_button(struct event_t *event)
|
|
{
|
|
char *scratch = kzalloc(256, GFP_KERNEL);
|
|
event->scratch = scratch;
|
|
|
|
add_msg(event, hotplug_path, 1);
|
|
add_msg(event, "button", 1);
|
|
fill_event(event);
|
|
call_usermodehelper (event->argv[0], event->argv, event->envp);
|
|
kfree(scratch);
|
|
kfree(event);
|
|
}
|
|
#endif /* !LINUX_2_4 */
|
|
|
|
static int fill_event (struct event_t *event)
|
|
{
|
|
static char buf[128];
|
|
|
|
add_msg(event, "HOME=/", 0);
|
|
add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
|
|
add_msg(event, "SUBSYSTEM=button", 0);
|
|
snprintf(buf, 128, "ACTION=%s", event->action);
|
|
add_msg(event, buf, 0);
|
|
snprintf(buf, 128, "BUTTON=%s", event->name);
|
|
add_msg(event, buf, 0);
|
|
snprintf(buf, 128, "SEEN=%ld", event->seen);
|
|
add_msg(event, buf, 0);
|
|
#ifndef LINUX_2_4
|
|
snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
|
|
add_msg(event, buf, 0);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
#ifndef LINUX_2_4
|
|
static irqreturn_t button_handler(int irq, void *dev_id)
|
|
#else
|
|
static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
|
|
#endif
|
|
{
|
|
struct button_t *b;
|
|
u32 in, changed;
|
|
|
|
in = gpio_in() & platform.button_mask;
|
|
gpio_intpolarity(platform.button_mask, in);
|
|
changed = platform.button_polarity ^ in;
|
|
platform.button_polarity = in;
|
|
|
|
changed &= ~gpio_outen(0, 0);
|
|
|
|
for (b = platform.buttons; b->name; b++) {
|
|
struct event_t *event;
|
|
|
|
if (!(b->gpio & changed)) continue;
|
|
|
|
b->pressed ^= 1;
|
|
|
|
if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
|
|
event->seen = (jiffies - b->seen)/HZ;
|
|
event->name = b->name;
|
|
event->action = b->pressed ? "pressed" : "released";
|
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
|
|
INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
|
|
#else
|
|
INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
|
|
#endif
|
|
schedule_work(&event->wq);
|
|
}
|
|
|
|
b->seen = jiffies;
|
|
}
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static void register_leds(struct led_t *l)
|
|
{
|
|
struct proc_dir_entry *p;
|
|
u32 mask = 0;
|
|
u32 val = 0;
|
|
|
|
leds = proc_mkdir("led", diag);
|
|
if (!leds)
|
|
return;
|
|
|
|
for(; l->name; l++) {
|
|
if (l->gpio & gpiomask)
|
|
continue;
|
|
|
|
if (l->gpio & GPIO_TYPE_EXTIF) {
|
|
l->state = 0;
|
|
set_led_extif(l);
|
|
} else {
|
|
mask |= l->gpio;
|
|
val |= (l->polarity == NORMAL)?0:l->gpio;
|
|
}
|
|
|
|
if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
|
|
l->proc.type = PROC_LED;
|
|
l->proc.ptr = l;
|
|
p->data = (void *) &l->proc;
|
|
p->proc_fops = &diag_proc_fops;
|
|
}
|
|
}
|
|
|
|
gpio_outen(mask, mask);
|
|
gpio_control(mask, 0);
|
|
gpio_out(mask, val);
|
|
}
|
|
|
|
static void unregister_leds(struct led_t *l)
|
|
{
|
|
for(; l->name; l++)
|
|
remove_proc_entry(l->name, leds);
|
|
|
|
remove_proc_entry("led", diag);
|
|
}
|
|
|
|
static void set_led_extif(struct led_t *led)
|
|
{
|
|
gpio_set_extif(led->gpio, led->state);
|
|
}
|
|
|
|
static void led_flash(unsigned long dummy) {
|
|
struct led_t *l;
|
|
u32 mask = 0;
|
|
u8 extif_blink = 0;
|
|
|
|
for (l = platform.leds; l->name; l++) {
|
|
if (l->flash) {
|
|
if (l->gpio & GPIO_TYPE_EXTIF) {
|
|
extif_blink = 1;
|
|
l->state = !l->state;
|
|
set_led_extif(l);
|
|
} else {
|
|
mask |= l->gpio;
|
|
}
|
|
}
|
|
}
|
|
|
|
mask &= ~gpiomask;
|
|
if (mask) {
|
|
u32 val = ~gpio_in();
|
|
|
|
gpio_outen(mask, mask);
|
|
gpio_control(mask, 0);
|
|
gpio_out(mask, val);
|
|
}
|
|
if (mask || extif_blink) {
|
|
mod_timer(&led_timer, jiffies + FLASH_TIME);
|
|
}
|
|
}
|
|
|
|
static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
|
|
{
|
|
#ifdef LINUX_2_4
|
|
struct inode *inode = file->f_dentry->d_inode;
|
|
struct proc_dir_entry *dent = inode->u.generic_ip;
|
|
#else
|
|
struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
|
|
#endif
|
|
char *page;
|
|
int len = 0;
|
|
|
|
if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
|
|
return -ENOBUFS;
|
|
|
|
if (dent->data != NULL) {
|
|
struct prochandler_t *handler = (struct prochandler_t *) dent->data;
|
|
switch (handler->type) {
|
|
case PROC_LED: {
|
|
struct led_t * led = (struct led_t *) handler->ptr;
|
|
if (led->flash) {
|
|
len = sprintf(page, "f\n");
|
|
} else {
|
|
if (led->gpio & GPIO_TYPE_EXTIF) {
|
|
len = sprintf(page, "%d\n", led->state);
|
|
} else {
|
|
u32 in = (gpio_in() & led->gpio ? 1 : 0);
|
|
u8 p = (led->polarity == NORMAL ? 0 : 1);
|
|
len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case PROC_MODEL:
|
|
len = sprintf(page, "%s\n", platform.name);
|
|
break;
|
|
case PROC_GPIOMASK:
|
|
len = sprintf(page, "0x%04x\n", gpiomask);
|
|
break;
|
|
}
|
|
}
|
|
len += 1;
|
|
|
|
if (*ppos < len) {
|
|
len = min_t(int, len - *ppos, count);
|
|
if (copy_to_user(buf, (page + *ppos), len)) {
|
|
kfree(page);
|
|
return -EFAULT;
|
|
}
|
|
*ppos += len;
|
|
} else {
|
|
len = 0;
|
|
}
|
|
|
|
kfree(page);
|
|
return len;
|
|
}
|
|
|
|
|
|
static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
|
|
{
|
|
#ifdef LINUX_2_4
|
|
struct inode *inode = file->f_dentry->d_inode;
|
|
struct proc_dir_entry *dent = inode->u.generic_ip;
|
|
#else
|
|
struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
|
|
#endif
|
|
char *page;
|
|
int ret = -EINVAL;
|
|
|
|
if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
|
|
return -ENOBUFS;
|
|
|
|
if (copy_from_user(page, buf, count)) {
|
|
kfree(page);
|
|
return -EINVAL;
|
|
}
|
|
page[count] = 0;
|
|
|
|
if (dent->data != NULL) {
|
|
struct prochandler_t *handler = (struct prochandler_t *) dent->data;
|
|
switch (handler->type) {
|
|
case PROC_LED: {
|
|
struct led_t *led = (struct led_t *) handler->ptr;
|
|
int p = (led->polarity == NORMAL ? 0 : 1);
|
|
|
|
if (page[0] == 'f') {
|
|
led->flash = 1;
|
|
led_flash(0);
|
|
} else {
|
|
led->flash = 0;
|
|
if (led->gpio & GPIO_TYPE_EXTIF) {
|
|
led->state = p ^ ((page[0] == '1') ? 1 : 0);
|
|
set_led_extif(led);
|
|
} else {
|
|
gpio_outen(led->gpio, led->gpio);
|
|
gpio_control(led->gpio, 0);
|
|
gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case PROC_GPIOMASK:
|
|
gpiomask = simple_strtoul(page, NULL, 0);
|
|
|
|
if (platform.buttons) {
|
|
unregister_buttons(platform.buttons);
|
|
register_buttons(platform.buttons);
|
|
}
|
|
|
|
if (platform.leds) {
|
|
unregister_leds(platform.leds);
|
|
register_leds(platform.leds);
|
|
}
|
|
break;
|
|
}
|
|
ret = count;
|
|
}
|
|
|
|
kfree(page);
|
|
return ret;
|
|
}
|
|
|
|
static int __init diag_init(void)
|
|
{
|
|
static struct proc_dir_entry *p;
|
|
static struct platform_t *detected;
|
|
|
|
detected = platform_detect();
|
|
if (!detected) {
|
|
printk(MODULE_NAME ": Router model not detected.\n");
|
|
return -ENODEV;
|
|
}
|
|
memcpy(&platform, detected, sizeof(struct platform_t));
|
|
|
|
printk(MODULE_NAME ": Detected '%s'\n", platform.name);
|
|
if (platform.platform_init != NULL) {
|
|
platform.platform_init();
|
|
}
|
|
|
|
if (!(diag = proc_mkdir("diag", NULL))) {
|
|
printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if ((p = create_proc_entry("model", S_IRUSR, diag))) {
|
|
p->data = (void *) &proc_model;
|
|
p->proc_fops = &diag_proc_fops;
|
|
}
|
|
|
|
if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
|
|
p->data = (void *) &proc_gpiomask;
|
|
p->proc_fops = &diag_proc_fops;
|
|
}
|
|
|
|
if (platform.buttons)
|
|
register_buttons(platform.buttons);
|
|
|
|
if (platform.leds)
|
|
register_leds(platform.leds);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __exit diag_exit(void)
|
|
{
|
|
del_timer(&led_timer);
|
|
|
|
if (platform.buttons)
|
|
unregister_buttons(platform.buttons);
|
|
|
|
if (platform.leds)
|
|
unregister_leds(platform.leds);
|
|
|
|
remove_proc_entry("model", diag);
|
|
remove_proc_entry("gpiomask", diag);
|
|
remove_proc_entry("diag", NULL);
|
|
}
|
|
|
|
module_init(diag_init);
|
|
module_exit(diag_exit);
|
|
|
|
MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
|
|
MODULE_LICENSE("GPL");
|