broadcom-diag: add gpio config for Asus RT-N66U

[openwrt/svn-archive/archive.git] / package / kernel / broadcom-diag / src / diag.c

/*
 * diag.c - GPIO interface driver for Broadcom boards
 *
 * Copyright (C) 2006 Mike Baker <mbm@openwrt.org>,
 * Copyright (C) 2006-2007 Felix Fietkau <nbd@openwrt.org>
 * Copyright (C) 2008 Andy Boyett <agb@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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/kmod.h>
#include <linux/proc_fs.h>
#include <linux/timer.h>
#include <linux/version.h>
#include <asm/uaccess.h>
#include <linux/workqueue.h>
#include <linux/skbuff.h>
#include <linux/netlink.h>
#include <linux/kobject.h>
#include <net/sock.h>
#include <bcm47xx_board.h>
extern u64 uevent_next_seqnum(void);

#include "gpio.h"
#include "diag.h"
#define getvar(str) (nvram_get(str)?:"")

static inline int startswith (char *source, char *cmp) { return !strncmp(source,cmp,strlen(cmp)); }
static int fill_event(struct event_t *);
static unsigned int gpiomask = 0;
module_param(gpiomask, int, 0644);

extern char *nvram_get(char *str);
static void led_flash(unsigned long dummy);

static struct platform_t platform;

static struct timer_list led_timer = TIMER_INITIALIZER(&led_flash, 0, 0);

static struct proc_dir_entry *diag, *leds;

#if LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0)
static inline struct inode *file_inode(struct file *f)
{
        return f->f_path.dentry->d_inode;
}
#endif

#if LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0)
static inline void *PDE_DATA(const struct inode *inode)
{
        return PDE(inode)->data;
}
#endif


enum {
        /* Linksys */
        WAP54GV1,
        WAP54GV2,
        WAP54GV3,
        WRT54GV1,
        WRT54G,
        WRTSL54GS,
        WRT54G3G,
        WRT54G3GV2_VF,
        WRT150NV1,
        WRT150NV11,
        WRT160NV1,
        WRT160NV3,
        WRT300NV11,
        WRT350N,
        WRT600N,
        WRT600NV11,
        WRT610N,
        WRT610NV2,
        E1000V1,
        E3000V1,
        E3200V1,
        E4200V1,

        /* ASUS */
        WLHDD,
        WL300G,
        WL320GE,
        WL330GE,
        WL500G,
        WL500GD,
        WL500GP,
        WL500GPV2,
        WL500W,
        WL520GC,
        WL520GU,
        ASUS_4702,
        WL700GE,
        RTN12,
        RTN16,
        RTN66U,

        /* Buffalo */
        WBR2_G54,
        WHR_G54S,
        WHR_HP_G54,
        WHR_G125,
        WHR2_A54G54,
        WLA2_G54L,
        WZR_G300N,
        WZR_RS_G54,
        WZR_RS_G54HP,
        BUFFALO_UNKNOWN,
        BUFFALO_UNKNOWN_4710,

        /* Siemens */
        SE505V1,
        SE505V2,

        /* US Robotics */
        USR5461,

        /* Dell */
        TM2300,
        TM2300V2,

        /* Motorola */
        WE800G,
        WR850GV1,
        WR850GV2V3,
        WR850GP,

        /* Belkin */
        BELKIN_UNKNOWN,
        BELKIN_F7D4301,

        /* Netgear */
        WGT634U,
        WNR834BV1,
        WNR834BV2,
        WNDR3400V1,
        WNDR3700V3,

        /* Trendware */
        TEW411BRPP,

        /* SimpleTech */
        STI_NAS,

        /* D-Link */
        DIR130,
        DIR320,
        DIR330,
        DWL3150,

        /* Sitecom */
        WL105B,

        /* Western Digital */
        WDNetCenter,

        /* Askey */
        RT210W,

        /* OvisLink */
        WL1600GL,

        /* Microsoft */
        MN700,

        /* Edimax */
        PS1208MFG,
};

static void __init bcm4780_init(void) {
                int pin = 1 << 3;

                /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
                printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
                bcm47xx_gpio_outen(pin, pin);
                bcm47xx_gpio_control(pin, 0);
                bcm47xx_gpio_out(pin, pin);

                /* Wait 5s, so the HDD can spin up */
                set_current_state(TASK_INTERRUPTIBLE);
                schedule_timeout(HZ * 5);
}

static void __init NetCenter_init(void) {
                /* unset pin 6 (+12V) */
                int pin = 1 << 6;
                bcm47xx_gpio_outen(pin, pin);
                bcm47xx_gpio_control(pin, 0);
                bcm47xx_gpio_out(pin, pin);
                /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
                pin = 1 << 1;
                bcm47xx_gpio_outen(pin, pin);
                bcm47xx_gpio_control(pin, 0);
                bcm47xx_gpio_out(pin, pin);
                /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
                bcm4780_init();
}

static void __init bcm57xx_init(void) {
        int pin = 1 << 2;

        /* FIXME: switch comes up, but port mappings/vlans not right */
        bcm47xx_gpio_outen(pin, pin);
        bcm47xx_gpio_control(pin, 0);
        bcm47xx_gpio_out(pin, pin);
}

static struct platform_t __initdata platforms[] = {
        /* Linksys */
        [WAP54GV1] = {
                .name           = "Linksys WAP54G V1",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 0 },
                },
                .leds           = {
                        { .name = "diag",       .gpio = 1 << 3 },
                        { .name = "wlan",       .gpio = 1 << 4 },
                },
        },
        [WAP54GV2] = {
                .name           = "Linksys WAP54G V2",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 0 },
                },
                .leds           = {
                        { .name = "wlan",       .gpio = 1 << 5, .polarity = REVERSE },
                        /* GPIO 6 is b44 (eth0, LAN) PHY power */
                },
        },
        [WAP54GV3] = {
                .name           = "Linksys WAP54G V3",
                .buttons        = {
                        /* FIXME: verify this */
                        { .name = "reset",      .gpio = 1 << 7 },
                        { .name = "ses",        .gpio = 1 << 0 },
                },
                .leds           = {
                        /* FIXME: diag? */
                        { .name = "ses",        .gpio = 1 << 1 },
                },
        },
        [WRT54GV1] = {
                .name           = "Linksys WRT54G V1.x",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                },
                .leds           = {
                        { .name = "diag",       .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
                        { .name = "dmz",        .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
                },
        },
        [WRT54G] = {
                .name           = "Linksys WRT54G/GS/GL",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "ses",        .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
                        { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
                        { .name = "ses_white",  .gpio = 1 << 2, .polarity = REVERSE },
                        { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
                        { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
                },
        },
        [WRTSL54GS] = {
                .name           = "Linksys WRTSL54GS",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "ses",        .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
                        { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },
                        { .name = "ses_white",  .gpio = 1 << 5, .polarity = REVERSE },
                        { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
                },
        },
        [WRT54G3G] = {
                .name           = "Linksys WRT54G3G",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "3g",         .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
                        { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
                        { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
                        { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
                        { .name = "3g_blink",   .gpio = 1 << 5, .polarity = NORMAL },
                },
        },
        [WRT54G3GV2_VF] = {
                .name           = "Linksys WRT54G3GV2-VF",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "3g",         .gpio = 1 << 5 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
                        { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
                        { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
                },
        },
        [WRT150NV1] = {
                .name           = "Linksys WRT150N V1",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "ses",        .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
                        { .name = "ses_green",  .gpio = 1 << 5, .polarity = REVERSE },
                        { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
                },
        },
        [WRT150NV11] = {
                .name           = "Linksys WRT150N V1.1",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "ses",        .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
                        { .name = "ses_green",  .gpio = 1 << 5, .polarity = REVERSE },
                        { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
                },
        },
        [WRT160NV1] = {
                .name           = "Linksys WRT160N v1.x",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "ses",        .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
                        { .name = "ses_blue",   .gpio = 1 << 5, .polarity = REVERSE },
                        { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
                },
        },
        [WRT160NV3] = {
                .name           = "Linksys WRT160N V3",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "ses",        .gpio = 1 << 5 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
                        { .name = "ses_blue",   .gpio = 1 << 4, .polarity = REVERSE },
                        { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE },
                },
        },
        [WRT300NV11] = {
                .name           = "Linksys WRT300N V1.1",
                .buttons        = {
                        { .name = "reset",     .gpio = 1 << 6 }, // "Reset" on back panel
                        { .name = "ses",       .gpio = 1 << 4 }, // "Reserved" on top panel
                },
                .leds           = {
                        { .name = "power",     .gpio = 1 << 1, .polarity = NORMAL  }, // "Power"
                        { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
                        { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
                },
                .platform_init = bcm57xx_init,
        },
        [WRT350N] = {
                .name           = "Linksys WRT350N",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "ses",        .gpio = 1 << 8 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
                        { .name = "ses_amber",  .gpio = 1 << 3, .polarity = REVERSE },
                        { .name = "ses_green",  .gpio = 1 << 9, .polarity = REVERSE },
                        { .name = "usb_blink",  .gpio = 1 << 10, .polarity = REVERSE },
                        { .name = "usb",        .gpio = 1 << 11, .polarity = REVERSE },
                },
                .platform_init = bcm57xx_init,
        },
        [WRT600N] = {
                .name           = "Linksys WRT600N",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "ses",        .gpio = 1 << 7 },
                },
                .leds           = {
                        { .name = "power",              .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
                        { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
                        { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
                        { .name = "wl0_ses_green",      .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
                        { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
                        { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
                },
                .platform_init = bcm57xx_init,
        },
        [WRT600NV11] = {
                .name           = "Linksys WRT600N V1.1",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "ses",        .gpio = 1 << 7 },
                },
                .leds           = {
                        { .name = "power",             .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
                        { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
                        { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
                        { .name = "wl0_ses_green",     .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
                        { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
                        { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
                },
                .platform_init = bcm57xx_init,
        },
        [WRT610N] = {
                .name           = "Linksys WRT610N",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "ses",        .gpio = 1 << 8 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 1,  .polarity = NORMAL }, // Power LED
                        { .name = "usb",        .gpio = 1 << 0,  .polarity = REVERSE }, // USB LED
                        { .name = "ses_amber",  .gpio = 1 << 3,  .polarity = REVERSE }, // WiFi protected setup LED amber
                        { .name = "ses_blue",   .gpio = 1 << 9,  .polarity = REVERSE }, // WiFi protected setup LED blue
                },
        },
        [WRT610NV2] = {
                .name           = "Linksys WRT610N V2",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "ses",        .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },   // Power LED
                        { .name = "usb",        .gpio = 1 << 7, .polarity = NORMAL },   // USB LED
                        { .name = "ses_amber",  .gpio = 1 << 0, .polarity = REVERSE },  // WiFi protected setup LED amber
                        { .name = "ses_blue",   .gpio = 1 << 3, .polarity = REVERSE },  // WiFi protected setup LED blue
                        { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },   // Wireless LED
                },
        },
        /* same hardware as WRT160NV3 and Cisco Valet M10V1, but different board detection, combine? */
        [E1000V1] = {
                .name           = "Linksys E1000 V1",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "wps",        .gpio = 1 << 5 }, /* nvram get gpio5=wps_button */
                },
                .leds           = {
                        /** turns on leds for all ethernet ports (wan too)
                         *  this also disconnects some, or maybe all, ethernet ports 
                         *  1: leds work normally
                         *  0: all lit all the time */
                        /* nvram get gpio3=robo_reset */
                        { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
                        { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
                        { .name = "ses_blue",   .gpio = 1 << 4, .polarity = REVERSE }, /* nvram get gpio4=wps_led */
                        { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE }, /* nvram get gpio2=wps_status_led */
                },
        },
        [E3000V1] = {
                .name           = "Linksys E3000 V1",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "ses",        .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },   // Power LED
                        { .name = "usb",        .gpio = 1 << 7, .polarity = NORMAL },   // USB LED
                        { .name = "ses_amber",  .gpio = 1 << 0, .polarity = REVERSE },  // WiFi protected setup LED amber
                        { .name = "ses_blue",   .gpio = 1 << 3, .polarity = REVERSE },  // WiFi protected setup LED blue
                        { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },   // Wireless LED
                },
        },
        [E3200V1] = {
                .name           = "Linksys E3200 V1",
                .buttons        = {
                        /* { .name = "switch",  .gpio = 1 << 4 },*/     /* nvram get gpio4=robo_reset */
                        { .name = "reset",      .gpio = 1 << 5 },       /* nvram get reset_gpio=5 */
                        { .name = "wps",        .gpio = 1 << 8 },       /* nvram get gpio8=wps_button */
                        /* { .name = "wombo",   .gpio = 1 << 23 },*/    /* nvram get gpio23=wombo_reset - wireless on motherboard */
                },
                .leds   = {
                        { .name = "power",      .gpio = 1 << 3, .polarity = REVERSE },  /* Power LED */
                },
        },
        [E4200V1] = {
                .name           = "Linksys E4200 V1",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "wps",        .gpio = 1 << 4 },
                },
                .leds   = {
                        { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
                },
        },
        /* Asus */
        [WLHDD] = {
                .name           = "ASUS WL-HDD",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
                        { .name = "usb",        .gpio = 1 << 2, .polarity = REVERSE },
                },
        },
        [WL300G] = {
                .name           = "ASUS WL-300g",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
                },
        },
        [WL320GE] = {
                .name           = "ASUS WL-320gE/WL-320gP",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                },
                .leds           = {
                        { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
                        { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
                        { .name = "link",       .gpio = 1 << 11, .polarity = REVERSE },
                },
        },
        [WL330GE] = {
                .name           = "ASUS WL-330gE",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 2 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
                },
        },
        [WL500G] = {
                .name           = "ASUS WL-500g",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
                },
        },
        [WL500GD] = {
                .name           = "ASUS WL-500g Deluxe",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
                },
        },
        [WL500GP] = {
                .name           = "ASUS WL-500g Premium",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 0 },
                        { .name = "ses",        .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
                },
        },
        [WL500GPV2] = {
                .name           = "ASUS WL-500g Premium V2",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 2 },
                        { .name = "ses",        .gpio = 1 << 3 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
                        { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
                },
        },
        [WL500W] = {
                .name           = "ASUS WL-500W",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "ses",        .gpio = 1 << 7 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
                },
        },
        [WL520GC] = {
                .name           = "ASUS WL-520GC",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 2 },
                        { .name = "ses",        .gpio = 1 << 3 },
                },
                .leds           = {
                { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
                        { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
                },
        },
        [WL520GU] = {
                .name           = "ASUS WL-520gU",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 2 },
                        { .name = "ses",        .gpio = 1 << 3 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
                        { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
                },
        },
        [ASUS_4702] = {
                .name           = "ASUS (unknown, BCM4702)",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
                },
        },
        [WL700GE] = {
                .name           = "ASUS WL-700gE",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
                        { .name = "ses",        .gpio = 1 << 4 }, // on back, actual name ezsetup
                        { .name = "power",      .gpio = 1 << 0 }, // on front
                        { .name = "copy",       .gpio = 1 << 6 }, // on front
                },
                .leds           = {
#if 0
                        // GPIO that controls power led also enables/disables some essential functions
                        // - power to HDD
                        // - switch leds
                        { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },  // actual name power
#endif
                        { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
                },
                .platform_init = bcm4780_init,
        },
        [RTN12] = {
                .name           = "ASUS RT-N12",
                .buttons        = {
                        { .name = "wps",        .gpio = 1 << 0 },
                        { .name = "reset",      .gpio = 1 << 1 },
                        // this is the router/repeater/ap switch
                        { .name = "sw1",        .gpio = 1 << 4 },
                        { .name = "sw2",        .gpio = 1 << 5 },
                        { .name = "sw3",        .gpio = 1 << 6 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
                        { .name = "wlan",       .gpio = 1 << 7, .polarity = NORMAL },
                        // gpio3 forces WAN and LAN1-4 all on
                        //{ .name = "eth",      .gpio = 1 << 3, .polarity = REVERSE },
                },
        },
        [RTN16] = {
                .name           = "ASUS RT-N16",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 8 },
                        { .name = "ses",        .gpio = 1 << 5 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
                        { .name = "wlan",       .gpio = 1 << 7, .polarity = NORMAL },
                },
        },
        [RTN66U] = {
                .name           = "ASUS RT-N66U",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 9 },
                        { .name = "wps",        .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 12, .polarity = REVERSE },
                        { .name = "usb",        .gpio = 1 << 15, .polarity = REVERSE },
                },
        },
        /* Buffalo */
        [WHR_G54S] = {
                .name           = "Buffalo WHR-G54S",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 4 },
                        { .name = "bridge",     .gpio = 1 << 5 },
                        { .name = "ses",        .gpio = 1 << 0 },
                },
                .leds           = {
                        { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
                        { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
                        { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
                        { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
                        { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
                },
        },
        [WBR2_G54] = {
                .name           = "Buffalo WBR2-G54",
                /* FIXME: verify */
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 7 },
                },
                .leds           = {
                        { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
                },
        },
        [WHR_HP_G54] = {
                .name           = "Buffalo WHR-HP-G54",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 4 },
                        { .name = "bridge",     .gpio = 1 << 5 },
                        { .name = "ses",        .gpio = 1 << 0 },
                },
                .leds           = {
                        { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
                        { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
                        { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
                        { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
                        { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
                },
        },
        [WHR_G125] = {
                .name           = "Buffalo WHR-G125",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 4 },
                        { .name = "bridge",     .gpio = 1 << 5 },
                        { .name = "ses",        .gpio = 1 << 0 },
                },
                .leds           = {
                        { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
                        { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
                        { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
                        { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
                        { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
                },
        },
        [WHR2_A54G54] = {
                .name           = "Buffalo WHR2-A54G54",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
                },
        },
        [WLA2_G54L] = {
                .name           = "Buffalo WLA2-G54L",
                /* FIXME: verify */
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 7 },
                },
                .leds           = {
                        { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
                },
        },
        [WZR_G300N] = {
                .name           = "Buffalo WZR-G300N",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
                        { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
                        { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
                },
        },
        [WZR_RS_G54] = {
                .name           = "Buffalo WZR-RS-G54",
                .buttons        = {
                        { .name = "ses",        .gpio = 1 << 0 },
                        { .name = "reset",      .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
                        { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
                        { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
                },
        },
        [WZR_RS_G54HP] = {
                .name           = "Buffalo WZR-RS-G54HP",
                .buttons        = {
                        { .name = "ses",        .gpio = 1 << 0 },
                        { .name = "reset",      .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
                        { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
                        { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
                },
        },
        [BUFFALO_UNKNOWN] = {
                .name           = "Buffalo (unknown)",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 7 },
                },
                .leds           = {
                        { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
                },
        },
        [BUFFALO_UNKNOWN_4710] = {
                .name           = "Buffalo (unknown, BCM4710)",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
                },
        },
        /* Siemens */
        [SE505V1] = {
                .name           = "Siemens SE505 V1",
                .buttons        = {
                        /* No usable buttons */
                },
                .leds           = {
//                      { .name = "power",      .gpio = 1 << 0  .polarity = REVERSE },  // Usable when retrofitting D26 (?)
                        { .name = "dmz",        .gpio = 1 << 4, .polarity = REVERSE },  // actual name WWW
                        { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
                },
        },
        [SE505V2] = {
                .name           = "Siemens SE505 V2",
                .buttons        = {
                        /* No usable buttons */
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
                        { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },  // actual name WWW
                        { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
                },
        },
        /* US Robotics */
        [USR5461] = {
                .name           = "U.S. Robotics USR5461",
                .buttons        = {
                        /* No usable buttons */
                },
                .leds           = {
                        { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
                        { .name = "printer",    .gpio = 1 << 1, .polarity = REVERSE },
                },
        },
        /* Dell */
        [TM2300] = {
                .name           = "Dell TrueMobile 2300",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 0 },
                },
                .leds           = {
                        { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
                        { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
                },
        },
        [TM2300V2] = {
                .name           = "Dell TrueMobile 2300 v2",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 0 },
                },
                .leds           = {
                        { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
                        { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
                },
        },
        /* Motorola */
        [WE800G] = {
                .name           = "Motorola WE800G",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 0 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
                        { .name = "diag",       .gpio = 1 << 2, .polarity = REVERSE },
                        { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
                },
        },
        [WR850GV1] = {
                .name           = "Motorola WR850G V1",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 0 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
                        { .name = "diag",       .gpio = 1 << 3, .polarity = REVERSE },
                        { .name = "dmz",        .gpio = 1 << 6, .polarity = NORMAL },
                        { .name = "wlan_red",   .gpio = 1 << 5, .polarity = REVERSE },
                        { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
                },
        },
        [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 = "wan",        .gpio = 1 << 6, .polarity = INPUT },
                        { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
                },
        },
        [WR850GP] = {
                .name           = "Motorola WR850GP",
                .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 },
                },
        },
        [BELKIN_F7D4301] = {
                .name           = "Belkin PlayMax F7D4301",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                        { .name = "wps",        .gpio = 1 << 8 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 11, .polarity = REVERSE },
                        { .name = "wlan",       .gpio = 1 << 13, .polarity = REVERSE },
                        { .name = "led0",       .gpio = 1 << 14, .polarity = REVERSE },
                        { .name = "led1",       .gpio = 1 << 15, .polarity = REVERSE },
                },
        },
        /* Netgear */
        [WGT634U] = {
                .name           = "Netgear WGT634U",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 2 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
                },
        },
        /* Netgear */
        [WNR834BV1] = {
                .name           = "Netgear WNR834B V1",
                .buttons        = { /* TODO: add reset button and confirm LEDs - GPIO from dd-wrt */ },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 4, .polarity = REVERSE },
                        { .name = "diag",       .gpio = 1 << 5, .polarity = REVERSE },
                        { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
                },
        },
        /* Netgear */
        [WNR834BV2] = {
                .name           = "Netgear WNR834B V2",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 6 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 2, .polarity = NORMAL },
                        { .name = "diag",       .gpio = 1 << 3, .polarity = NORMAL },
                        { .name = "connected",  .gpio = 1 << 7, .polarity = NORMAL },
                },
        },
        [WNDR3400V1] = {
                .name           = "Netgear WNDR3400 V1",
                .buttons        = {
                        /* nvram get gpio5=robo_reset */
                        { .name = "reset",      .gpio = 1 << 4 },
                        { .name = "wps",        .gpio = 1 << 6 },
                        { .name = "wlan",       .gpio = 1 << 8 },
                },
                .leds           = {
                        { .name = "wlan",       .gpio = 0 << 0, .polarity = NORMAL },
                        { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
                        { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
                        { .name = "diag",       .gpio = 1 << 7, .polarity = NORMAL },
                        { .name = "usb",        .gpio = 1 << 2, .polarity = REVERSE },
                },
        },
        [WNDR3700V3] = {
                .name           = "Netgear WNDR3700 V3",
                .buttons        = {
                        /* { .name = "usb",     .gpio = 1 << 1 }, */ /* this button doesn't seem to exist. */
                        { .name = "wlan",       .gpio = 1 << 2 },
                        { .name = "reset",      .gpio = 1 << 3 },
                        { .name = "wps",        .gpio = 1 << 4 },
                        /* { .name = "switch",  .gpio = 1 << 5 },*/     /* nvram get gpio5=robo_reset */
                },
                .leds           = {
                        { .name = "power",      .gpio = (1 << 0) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
                        { .name = "diag",       .gpio = (1 << 1) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
                        /* WAN LED doesn't respond to GPIO control. The switch is probably driving it.
                         * { .name = "wan",     .gpio = (1 << 2) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
                         */
                        { .name = "wlan2g",     .gpio = (1 << 3) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
                        { .name = "wlan5g",     .gpio = (1 << 4) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
                        { .name = "usb",        .gpio = (1 << 5) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
                        { .name = "wps",        .gpio = (1 << 6) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
                        { .name = "wlan",       .gpio = (1 << 7) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
                },
        },
        /* 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 << 0 }, // Power button on back, named reset to enable failsafe.
                },
                .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},
                },
        },
        [DIR320] = {
                .name     = "D-Link DIR-320",
                .buttons        = {
                        { .name = "reserved",   .gpio = 1 << 6},
                        { .name = "reset",      .gpio = 1 << 7},
                },
                .leds      = {
                        { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
                        { .name = "diag",       .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
                        { .name = "red",        .gpio = 1 << 3, .polarity = REVERSE },
                        { .name = "blue",       .gpio = 1 << 4, .polarity = REVERSE },
                        { .name = "usb",        .gpio = 1 << 5, .polarity = NORMAL },
                },
        },
        [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},
                },
        },
        [DWL3150] = {
                .name   = "D-Link DWL-3150",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 7},
                },
                .leds     = {
                        { .name = "diag",       .gpio = 1 << 2},
                        { .name = "status",     .gpio = 1 << 1},
                },
        },
        /* Double check */
        [WL105B] = {
                .name   = "Sitecom WL-105b",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 10},
                },
                .leds     = {
                        { .name = "wlan",       .gpio = 1 << 4},
                        { .name = "power",      .gpio = 1 << 3},
                },
        },
        /* Western Digital Net Center */
        [WDNetCenter] = {
                .name   = "Western Digital NetCenter",
                .buttons        = {
                        { .name = "power",      .gpio = 1 << 0},
                        { .name = "reset",      .gpio = 1 << 7},
                },
                .platform_init = NetCenter_init,
        },
        /* Askey (and clones) */
        [RT210W] = {
                .name           = "Askey RT210W",
                .buttons        = {
                        /* Power button is hard-wired to hardware reset */
                        /* but is also connected to GPIO 7 (probably for bootloader recovery)  */
                        { .name = "power",      .gpio = 1 << 7},
                },
                .leds           = {
                        /* These were verified and named based on Belkin F5D4230-4 v1112 */
                        { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
                        { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
                        { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
                },
        },
        [WL1600GL] = {
                .name           = "OvisLink WL-1600GL",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 3 },
                        { .name = "ses",        .gpio = 1 << 4 },
                },
                .leds           = {
                        { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
                        { .name = "wps",        .gpio = 1 << 2, .polarity = REVERSE },
                        { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
                        { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
                },
        },
        /* Microsoft */
        [MN700] = {
                .name   = "Microsoft MN-700",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 7 },
                },
                .leds     = {
                        { .name = "power",      .gpio = 1 << 6, .polarity = NORMAL },
                },
        },
        /* Edimax */
        [PS1208MFG] = {
                .name   = "Edimax PS-1208MFG",
                .buttons        = {
                        { .name = "reset",      .gpio = 1 << 4 },
                },
                .leds     = {
                        { .name = "status",     .gpio = 1 << 1, .polarity = NORMAL },
                        { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
                },
        },
};

static struct platform_t __init *platform_detect_legacy(void)
{
        char *boardnum, *boardtype;

        if (strcmp(getvar("nvram_type"), "cfe") == 0)
                return &platforms[WGT634U];


        /* no easy model number, attempt to guess */
        boardnum = getvar("boardnum");
        boardtype = getvar("boardtype");

        if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N  v1/V1.1 */
                if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
                        return &platforms[WRT600NV11];

        if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
                        return &platforms[WRT600N];
        }

        if (startswith(getvar("pmon_ver"), "CFE")) {
                /* 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];

                        /* default to WRT54G */
                        return &platforms[WRT54G];
                }
                if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
                        return &platforms[WAP54GV2];

                if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
                        return &platforms[WL1600GL];


                if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
                        if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
                                return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
                }

                if (!strcmp(boardnum, "45")) { /* ASUS */
                        if (!strcmp(boardtype,"0x0472"))
                                return &platforms[WL500W];
                        else if (!strcmp(boardtype,"0x467"))
                                return &platforms[WL320GE];
                        else
                                return &platforms[WL500GD];
                }

                if (!strcmp(boardnum, "10496"))
                        return &platforms[USR5461];

                if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
                        return &platforms[SE505V2];

                if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
                                !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
                        return &platforms[DIR320];

                if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
                        return &platforms[WDNetCenter];
                }

                if (!strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B  V1 and V2*/
                        if (!strcmp(boardnum, "08") || !strcmp(boardnum, "8"))
                                return &platforms[WNR834BV1];
                        if (!strcmp(boardnum, "01") || !strcmp(boardnum, "1"))
                                return &platforms[WNR834BV2];
                }

        } else { /* PMON based - old stuff */
                if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
                        (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
                        return &platforms[WR850GV1];
                }
                if (startswith(boardtype, "bcm94710dev")) {
                        if (!strcmp(boardnum, "42"))
                                return &platforms[WRT54GV1];
                        if (simple_strtoul(boardnum, NULL, 0) == 2)
                                return &platforms[WAP54GV1];
                }
                /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
                if (startswith(getvar("hardware_version"), "WL500-")) {
                        if (!strcmp(getvar("boardnum"), "mn700"))
                                return &platforms[MN700];
                        else
                                return &platforms[WL500G];
                }
                if (startswith(getvar("hardware_version"), "WL300-")) {
                        /* 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];
                }
                /* Sitecom WL-105b */
                if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
                        return &platforms[WL105B];

                /* unknown asus stuff, probably bcm4702 */
                if (startswith(boardnum, "asusX"))
                        return &platforms[ASUS_4702];

                /* bcm4702 based Askey RT210W clones, Including:
                 * Askey RT210W (duh?)
                 * Siemens SE505v1
                 * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
                 */
                if (!strcmp(boardtype,"bcm94710r4")
                 && !strcmp(boardnum ,"100")
                 && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
                   ){
                        return &platforms[RT210W];
                }
        }

        if (boardnum || !strcmp(boardnum, "00")) {/* probably buffalo */
                if (startswith(boardtype, "bcm94710ap"))
                        return &platforms[BUFFALO_UNKNOWN_4710];
                else
                        return &platforms[BUFFALO_UNKNOWN];
        }

        if (startswith(getvar("CFEver"), "MotoWRv2") ||
                startswith(getvar("CFEver"), "MotoWRv3") ||
                !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {

                return &platforms[WR850GV2V3];
        }

        if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) {  /* Trendware TEW-411BRP+ */
                return &platforms[TEW411BRPP];
        }

        if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
                return &platforms[STI_NAS];

        if (!strcmp(boardnum, "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
                return &platforms[DWL3150];

        if (!strcmp(boardnum, "01") && !strcmp(boardtype, "0x048e") && /* Edimax PS1208MFG */
                !strcmp(getvar("status_gpio"), "1")) /* gpio based detection */
                return &platforms[PS1208MFG];

        /* not found */
        return NULL;
}

static struct platform_t __init *platform_detect(void)
{
        enum bcm47xx_board board;
        const char *board_name;


        board = bcm47xx_board_get();
        board_name = bcm47xx_board_get_name();
        if (board != BCM47XX_BOARD_UNKNOWN && board != BCM47XX_BOARD_NON)
                printk(MODULE_NAME ": kernel found a \"%s\"\n", board_name);

        switch(board) {
        case BCM47XX_BOARD_ASUS_RTN12:
                return &platforms[RTN12];
        case BCM47XX_BOARD_ASUS_RTN16:
                return &platforms[RTN16];
        case BCM47XX_BOARD_ASUS_RTN66U:
                return &platforms[RTN66U];
        case BCM47XX_BOARD_ASUS_WL330GE:
                return &platforms[WL330GE];
        case BCM47XX_BOARD_ASUS_WL500GPV1:
                return &platforms[WL500GP];
        case BCM47XX_BOARD_ASUS_WL500GPV2:
                return &platforms[WL500GPV2];
        case BCM47XX_BOARD_ASUS_WL520GC:
                return &platforms[WL520GC];
        case BCM47XX_BOARD_ASUS_WL520GU:
                return &platforms[WL520GU];
        case BCM47XX_BOARD_ASUS_WL700GE:
                return &platforms[WL700GE];
        case BCM47XX_BOARD_BELKIN_F7D4301:
                return &platforms[BELKIN_F7D4301];
        case BCM47XX_BOARD_BUFFALO_WBR2_G54:
                return &platforms[WBR2_G54];
        case BCM47XX_BOARD_BUFFALO_WHR2_A54G54:
                return &platforms[WHR2_A54G54];
        case BCM47XX_BOARD_BUFFALO_WHR_G125:
                return &platforms[WHR_G125];
        case BCM47XX_BOARD_BUFFALO_WHR_G54S:
                return &platforms[WHR_G54S];
        case BCM47XX_BOARD_BUFFALO_WHR_HP_G54:
                return &platforms[WHR_HP_G54];
        case BCM47XX_BOARD_BUFFALO_WLA2_G54L:
                return &platforms[WLA2_G54L];
        case BCM47XX_BOARD_BUFFALO_WZR_G300N:
                return &platforms[WZR_G300N];
        case BCM47XX_BOARD_BUFFALO_WZR_RS_G54:
                return &platforms[WZR_RS_G54];
        case BCM47XX_BOARD_BUFFALO_WZR_RS_G54HP:
                return &platforms[WZR_RS_G54HP];
        case BCM47XX_BOARD_DELL_TM2300:
                return &platforms[TM2300];
        case BCM47XX_BOARD_DLINK_DIR130:
                return &platforms[DIR130];
        case BCM47XX_BOARD_DLINK_DIR330:
                return &platforms[DIR330];
        case BCM47XX_BOARD_LINKSYS_E1000V1:
                return &platforms[E1000V1];
        case BCM47XX_BOARD_LINKSYS_E3000V1:
                return &platforms[E3000V1];
        case BCM47XX_BOARD_LINKSYS_E3200V1:
                return &platforms[E3200V1];
        case BCM47XX_BOARD_LINKSYS_E4200V1:
                return &platforms[E4200V1];
        case BCM47XX_BOARD_LINKSYS_WRT150NV1:
                return &platforms[WRT150NV1];
        case BCM47XX_BOARD_LINKSYS_WRT150NV11:
                return &platforms[WRT150NV11];
        case BCM47XX_BOARD_LINKSYS_WRT160NV1:
                return &platforms[WRT160NV1];
        case BCM47XX_BOARD_LINKSYS_WRT160NV3:
                return &platforms[WRT160NV3];
        case BCM47XX_BOARD_LINKSYS_WRT300NV11:
                return &platforms[WRT300NV11];
        case BCM47XX_BOARD_LINKSYS_WRT54G3GV2:
                return &platforms[WRT54G3GV2_VF];
        case BCM47XX_BOARD_LINKSYS_WRT610NV1:
                return &platforms[WRT610N];
        case BCM47XX_BOARD_LINKSYS_WRT610NV2:
                return &platforms[WRT610NV2];
        case BCM47XX_BOARD_LINKSYS_WRTSL54GS:
                return &platforms[WRTSL54GS];
        case BCM47XX_BOARD_MOTOROLA_WE800G:
                return &platforms[WE800G];
        case BCM47XX_BOARD_MOTOROLA_WR850GP:
                return &platforms[WR850GP];
        case BCM47XX_BOARD_MOTOROLA_WR850GV2V3:
                return &platforms[WR850GV2V3];
        case BCM47XX_BOARD_NETGEAR_WNDR3400V1:
                return &platforms[WNDR3400V1];
        case BCM47XX_BOARD_NETGEAR_WNDR3700V3:
                return &platforms[WNDR3700V3];
        case BCM47XX_BOARD_UNKNOWN:
        case BCM47XX_BOARD_NON:
                printk(MODULE_NAME ": unknown board found, try legacy detect\n");
                printk(MODULE_NAME ": please open a ticket at https://dev.openwrt.org and attach the complete nvram\n");
                return platform_detect_legacy();
        default:
                printk(MODULE_NAME ": board was detected as \"%s\", but not gpio configuration available\n", board_name);
                printk(MODULE_NAME ": now trying legacy detect\n");
                return platform_detect_legacy();
        }
}

static inline void ssb_maskset32(struct ssb_device *dev,
                                  u16 offset, u32 mask, u32 set)
{
        ssb_write32(dev, offset, (ssb_read32(dev, offset) & mask) | set);
}

static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
{
        int irq;

        irq = gpio_to_irq(0);
        if (irq == -EINVAL) return;
        
        if (enabled) {
                if (request_irq(irq, handler, IRQF_SHARED, "gpio", handler))
                        return;
        } else {
                free_irq(irq, handler);
        }

        switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
        case BCM47XX_BUS_TYPE_SSB:
                if (bcm47xx_bus.ssb.chipco.dev)
                        ssb_maskset32(bcm47xx_bus.ssb.chipco.dev, SSB_CHIPCO_IRQMASK, ~SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
                break;
#endif
#ifdef CONFIG_BCM47XX_BCMA
        case BCM47XX_BUS_TYPE_BCMA:
                if (bcm47xx_bus.bcma.bus.drv_cc.core)
                        bcma_maskset32(bcm47xx_bus.bcma.bus.drv_cc.core, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO, (enabled ? BCMA_CC_IRQ_GPIO : 0));
                break;
#endif
        }
}

static void hotplug_button(struct work_struct *work)
{
        struct event_t *event = container_of(work, struct event_t, wq);
        char *s;

        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;
        broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);

        kfree(event);
}

static irqreturn_t button_handler(int irq, void *dev_id)
{
        struct button_t *b;
        u32 in, changed;

        in = bcm47xx_gpio_in(~0) & platform.button_mask;
        bcm47xx_gpio_polarity(platform.button_mask, in);
        changed = platform.button_polarity ^ in;
        platform.button_polarity = in;

        changed &= ~bcm47xx_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";
                        INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
                        schedule_work(&event->wq);
                }

                b->seen = jiffies;
        }
        return IRQ_HANDLED;
}

static void register_buttons(struct button_t *b)
{
        for (; b->name; b++)
                platform.button_mask |= b->gpio;

        platform.button_mask &= ~gpiomask;

        bcm47xx_gpio_outen(platform.button_mask, 0);
        bcm47xx_gpio_control(platform.button_mask, 0);
        platform.button_polarity = bcm47xx_gpio_in(~0) & platform.button_mask;
        bcm47xx_gpio_polarity(platform.button_mask, platform.button_polarity);
        bcm47xx_gpio_intmask(platform.button_mask, platform.button_mask);

        gpio_set_irqenable(1, button_handler);
}

static void unregister_buttons(struct button_t *b)
{
        bcm47xx_gpio_intmask(platform.button_mask, 0);

        gpio_set_irqenable(0, button_handler);
}


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 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);
        snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
        add_msg(event, buf, 0);

        return 0;
}

/*
 * This should be extended to allow the platform to specify the pins and width
 * of the shift register. They're hardcoded for now because only the WNDR3700v3
 * uses it.
 */
static void shiftreg_output(unsigned int val)
{
        unsigned int mask;

        bcm47xx_gpio_out(SHIFTREG_DATA, SHIFTREG_DATA); /* init off, pull high */
        bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* init reset */

        /* shift 8 times */
        for(mask = 1 << (SHIFTREG_MAX_BITS-1); mask; mask >>= 1)
        {
                bcm47xx_gpio_out(SHIFTREG_DATA, (val & mask) ? SHIFTREG_DATA : 0);
                bcm47xx_gpio_out(SHIFTREG_CLK, SHIFTREG_CLK); /* pull high to trigger */
                bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* reset to low */
        }
}

static void set_led_shift(struct led_t *led)
{
        static u32      shiftreg = 0;
        u32                     old = shiftreg;
        u32                     pin = (led->gpio & ~GPIO_TYPE_MASK);

        if (led->state) {
                shiftreg |= pin;
        } else {
                shiftreg &= ~pin;
        }

        /* Clock the bits out. */
        if (shiftreg != old) {
                shiftreg_output(shiftreg);
        }
}

static void set_led_extif(struct led_t *led)
{
        volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (led->gpio & ~GPIO_TYPE_MASK);
        if (led->state)
                *addr = 0xFF;
        else
                *addr;
}


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) continue;
                switch (l->gpio & GPIO_TYPE_MASK) {
                case GPIO_TYPE_EXTIF:
                        extif_blink = 1;
                        l->state = !l->state;
                        set_led_extif(l);
                        break;
                case GPIO_TYPE_SHIFT:
                        extif_blink = 1;
                        l->state = !l->state;
                        set_led_shift(l);
                        break;
                case GPIO_TYPE_NORMAL:
                default:
                        mask |= l->gpio;
                        break;
                }
        }

        mask &= ~gpiomask;
        if (mask) {
                u32 val = ~bcm47xx_gpio_in(~0);

                bcm47xx_gpio_outen(mask, mask);
                bcm47xx_gpio_control(mask, 0);
                bcm47xx_gpio_out(mask, val);
        }
        if (mask || extif_blink) {
                mod_timer(&led_timer, jiffies + FLASH_TIME);
        }
}

static int diag_led_show(struct seq_file *m, void *v)
{
        struct led_t * led = m->private;

        u8 p = (led->polarity == NORMAL ? 0 : 1);
        if (led->flash) {
                return seq_printf(m, "f\n");
        } else if ((led->gpio & GPIO_TYPE_MASK) != GPIO_TYPE_NORMAL) {
                return seq_printf(m, "%d\n", ((led->state ^ p) ? 1 : 0));
        } else {
                u32 in = (bcm47xx_gpio_in(~0) & led->gpio ? 1 : 0);
                return seq_printf(m, "%d\n", ((in ^ p) ? 1 : 0));
        }
}

static int diag_led_open(struct inode *inode, struct file *file)
{
        return single_open(file, diag_led_show, PDE_DATA(inode));
}

static ssize_t diag_led_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
{
        struct led_t *led = PDE_DATA(file_inode(file));
        char cmd[5];
        size_t len;
        int p;

        len = min(count, sizeof(cmd) - 1);
        if (copy_from_user(cmd, buf, len))
                return -EFAULT;

        cmd[len] = 0;

        p = (led->polarity == NORMAL ? 0 : 1);
        if (cmd[0] == 'f') {
                led->flash = 1;
                led_flash(0);
        } else {
                led->flash = 0;
                if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_EXTIF) {
                        led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
                        set_led_extif(led);
                } else if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_SHIFT) {
                        led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
                        set_led_shift(led);
                } else {
                        bcm47xx_gpio_outen(led->gpio, led->gpio);
                        bcm47xx_gpio_control(led->gpio, 0);
                        bcm47xx_gpio_out(led->gpio, ((p ^ (cmd[0] == '1')) ? led->gpio : 0));
                }
        }
        return count;
}

static const struct file_operations diag_led_fops = {
        .open = diag_led_open,
        .read = seq_read,
        .llseek = seq_lseek,
        .write = diag_led_write
};

static void register_leds(struct led_t *l)
{
        struct proc_dir_entry *p;
        u32 mask = 0;
        u32 oe_mask = 0;
        u32 val = 0;

        leds = proc_mkdir("led", diag);
        if (!leds)
                return;

        for(; l->name; l++) {
                if (l->gpio & gpiomask)
                        continue;

                switch (l->gpio & GPIO_TYPE_MASK) {
                case GPIO_TYPE_EXTIF:
                        l->state = 0;
                        set_led_extif(l);
                        break;
                case GPIO_TYPE_SHIFT:
                        mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
                        oe_mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
                        l->state = (l->polarity != NORMAL);
                        set_led_shift(l);
                        break;
                case GPIO_TYPE_NORMAL:
                default:
                        if (l->polarity != INPUT) oe_mask |= l->gpio;
                        mask |= l->gpio;
                        val |= (l->polarity == NORMAL)?0:l->gpio;
                        break;
                }

                if (l->polarity == INPUT) continue;

                p = proc_create_data(l->name, S_IRUSR, leds, &diag_led_fops, l);
        }

        bcm47xx_gpio_outen(mask, oe_mask);
        bcm47xx_gpio_control(mask, 0);
        bcm47xx_gpio_out(mask, val);
        bcm47xx_gpio_intmask(mask, 0);
}

static void unregister_leds(struct led_t *l)
{
        for(; l->name; l++)
                remove_proc_entry(l->name, leds);

        remove_proc_entry("led", diag);
}

static int diag_model_show(struct seq_file *m, void *v)
{
        return seq_printf(m, "%s\n", platform.name);
}

static int diag_model_open(struct inode *inode, struct file *file)
{
        return single_open(file, diag_model_show, PDE_DATA(inode));
}

static const struct file_operations diag_model_fops = {
        .open = diag_model_open,
        .read = seq_read,
        .llseek = seq_lseek
};

static int diag_gpiomask_show(struct seq_file *m, void *v)
{
        return seq_printf(m, "0x%04x\n", gpiomask);
}

static int diag_gpiomask_open(struct inode *inode, struct file *file)
{
        return single_open(file, diag_gpiomask_show, PDE_DATA(inode));
}

static ssize_t diag_gpiomask_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
{
        int err = kstrtouint_from_user(buf, count, 0, &gpiomask);
        if (err)
                return err;

        if (platform.buttons) {
                unregister_buttons(platform.buttons);
                register_buttons(platform.buttons);
        }

        if (platform.leds) {
                unregister_leds(platform.leds);
                register_leds(platform.leds);
        }

        return count;
}

static const struct file_operations diag_gpiomask_fops = {
        .open = diag_gpiomask_open,
        .read = seq_read,
        .llseek = seq_lseek,
        .write = diag_gpiomask_write
};

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;
        }

        p = proc_create("model", S_IRUSR, diag, &diag_model_fops);
        if (!p) {
                remove_proc_entry("diag", NULL);
                return -EINVAL;
        }

        p = proc_create("gpiomask", S_IRUSR | S_IWUSR, diag, &diag_gpiomask_fops);
        if (!p) {
                remove_proc_entry("model", diag);
                remove_proc_entry("diag", NULL);
                return -EINVAL;
        }

        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");