package/kernel/broadcom-diag/src/diag.c

   1 /*
   2  * diag.c - GPIO interface driver for Broadcom boards
   3  *
   4  * Copyright (C) 2006 Mike Baker <mbm@openwrt.org>,
   5  * Copyright (C) 2006-2007 Felix Fietkau <nbd@openwrt.org>
   6  * Copyright (C) 2008 Andy Boyett <agb@openwrt.org>
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; either version 2
  11  * of the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21  *
  22  */
  23 #include <linux/module.h>
  24 #include <linux/pci.h>
  25 #include <linux/kmod.h>
  26 #include <linux/proc_fs.h>
  27 #include <linux/timer.h>
  28 #include <linux/version.h>
  29 #include <asm/uaccess.h>
  30 #include <linux/workqueue.h>
  31 #include <linux/skbuff.h>
  32 #include <linux/netlink.h>
  33 #include <linux/kobject.h>
  34 #include <net/sock.h>
  35 #include <bcm47xx_board.h>
  36 extern u64 uevent_next_seqnum(void);
  37
  38 #include "gpio.h"
  39 #include "diag.h"
  40 #define getvar(str) (nvram_get(str)?:"")
  41
  42 static inline int startswith (char *source, char *cmp) { return !strncmp(source,cmp,strlen(cmp)); }
  43 static int fill_event(struct event_t *);
  44 static unsigned int gpiomask = 0;
  45 module_param(gpiomask, int, 0644);
  46
  47 extern char *nvram_get(char *str);
  48 static void led_flash(unsigned long dummy);
  49
  50 static struct platform_t platform;
  51
  52 static struct timer_list led_timer = TIMER_INITIALIZER(&led_flash, 0, 0);
  53
  54 static struct proc_dir_entry *diag, *leds;
  55
  56 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0)
  57 static inline struct inode *file_inode(struct file *f)
  58 {
  59         return f->f_path.dentry->d_inode;
  60 }
  61 #endif
  62
  63 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0)
  64 static inline void *PDE_DATA(const struct inode *inode)
  65 {
  66         return PDE(inode)->data;
  67 }
  68 #endif
  69
  70
  71 enum {
  72         /* Linksys */
  73         WAP54GV1,
  74         WAP54GV2,
  75         WAP54GV3,
  76         WRT54GV1,
  77         WRT54G,
  78         WRTSL54GS,
  79         WRT54G3G,
  80         WRT54G3GV2_VF,
  81         WRT150NV1,
  82         WRT150NV11,
  83         WRT160NV1,
  84         WRT160NV3,
  85         WRT300NV11,
  86         WRT310NV1,
  87         WRT350N,
  88         WRT600N,
  89         WRT600NV11,
  90         WRT610N,
  91         WRT610NV2,
  92         E1000V1,
  93         E1000V21,
  94         E2000V1,
  95         E3000V1,
  96         E3200V1,
  97         E4200V1,
  98
  99         /* ASUS */
 100         WLHDD,
 101         WL300G,
 102         WL320GE,
 103         WL330GE,
 104         WL500G,
 105         WL500GD,
 106         WL500GP,
 107         WL500GPV2,
 108         WL500W,
 109         WL520GC,
 110         WL520GU,
 111         ASUS_4702,
 112         WL700GE,
 113         RTN12,
 114         RTN16,
 115         RTN66U,
 116
 117         /* Buffalo */
 118         WBR2_G54,
 119         WHR_G54S,
 120         WHR_HP_G54,
 121         WHR_G125,
 122         WHR2_A54G54,
 123         WLA2_G54L,
 124         WZR_G300N,
 125         WZR_RS_G54,
 126         WZR_RS_G54HP,
 127         BUFFALO_UNKNOWN_4710,
 128
 129         /* Siemens */
 130         SE505V1,
 131         SE505V2,
 132
 133         /* US Robotics */
 134         USR5461,
 135
 136         /* Dell */
 137         TM2300,
 138         TM2300V2,
 139
 140         /* Motorola */
 141         WE800G,
 142         WR850GV1,
 143         WR850GV2V3,
 144         WR850GP,
 145
 146         /* Belkin */
 147         BELKIN_F7D4301,
 148
 149         /* Netgear */
 150         WGT634U,
 151         WNR834BV1,
 152         WNR834BV2,
 153         WNDR3400V1,
 154         WNDR3700V3,
 155
 156         /* Trendware */
 157         TEW411BRPP,
 158
 159         /* SimpleTech */
 160         STI_NAS,
 161
 162         /* D-Link */
 163         DIR130,
 164         DIR320,
 165         DIR330,
 166         DWL3150,
 167
 168         /* Sitecom */
 169         WL105B,
 170
 171         /* Western Digital */
 172         WDNetCenter,
 173
 174         /* Askey */
 175         RT210W,
 176
 177         /* OvisLink */
 178         WL1600GL,
 179
 180         /* Microsoft */
 181         MN700,
 182
 183         /* Edimax */
 184         PS1208MFG,
 185
 186         /* Huawei */
 187         HUAWEI_E970,
 188 };
 189
 190 static void __init bcm4780_init(void) {
 191                 int pin = 1 << 3;
 192
 193                 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
 194                 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
 195                 bcm47xx_gpio_outen(pin, pin);
 196                 bcm47xx_gpio_control(pin, 0);
 197                 bcm47xx_gpio_out(pin, pin);
 198
 199                 /* Wait 5s, so the HDD can spin up */
 200                 set_current_state(TASK_INTERRUPTIBLE);
 201                 schedule_timeout(HZ * 5);
 202 }
 203
 204 static void __init NetCenter_init(void) {
 205                 /* unset pin 6 (+12V) */
 206                 int pin = 1 << 6;
 207                 bcm47xx_gpio_outen(pin, pin);
 208                 bcm47xx_gpio_control(pin, 0);
 209                 bcm47xx_gpio_out(pin, pin);
 210                 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
 211                 pin = 1 << 1;
 212                 bcm47xx_gpio_outen(pin, pin);
 213                 bcm47xx_gpio_control(pin, 0);
 214                 bcm47xx_gpio_out(pin, pin);
 215                 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
 216                 bcm4780_init();
 217 }
 218
 219 static void __init bcm57xx_init(void) {
 220         int pin = 1 << 2;
 221
 222         /* FIXME: switch comes up, but port mappings/vlans not right */
 223         bcm47xx_gpio_outen(pin, pin);
 224         bcm47xx_gpio_control(pin, 0);
 225         bcm47xx_gpio_out(pin, pin);
 226 }
 227
 228 static struct platform_t __initdata platforms[] = {
 229         /* Linksys */
 230         [WAP54GV1] = {
 231                 .name           = "Linksys WAP54G V1",
 232                 .buttons        = {
 233                         { .name = "reset",      .gpio = 1 << 0 },
 234                 },
 235                 .leds           = {
 236                         { .name = "diag",       .gpio = 1 << 3 },
 237                         { .name = "wlan",       .gpio = 1 << 4 },
 238                 },
 239         },
 240         [WAP54GV2] = {
 241                 .name           = "Linksys WAP54G V2",
 242                 .buttons        = {
 243                         { .name = "reset",      .gpio = 1 << 0 },
 244                 },
 245                 .leds           = {
 246                         { .name = "wlan",       .gpio = 1 << 5, .polarity = REVERSE },
 247                         /* GPIO 6 is b44 (eth0, LAN) PHY power */
 248                 },
 249         },
 250         [WAP54GV3] = {
 251                 .name           = "Linksys WAP54G V3",
 252                 .buttons        = {
 253                         /* FIXME: verify this */
 254                         { .name = "reset",      .gpio = 1 << 7 },
 255                         { .name = "ses",        .gpio = 1 << 0 },
 256                 },
 257                 .leds           = {
 258                         /* FIXME: diag? */
 259                         { .name = "ses",        .gpio = 1 << 1 },
 260                 },
 261         },
 262         [WRT54GV1] = {
 263                 .name           = "Linksys WRT54G V1.x",
 264                 .buttons        = {
 265                         { .name = "reset",      .gpio = 1 << 6 },
 266                 },
 267                 .leds           = {
 268                         { .name = "diag",       .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 269                         { .name = "dmz",        .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 270                 },
 271         },
 272         [WRT54G] = {
 273                 .name           = "Linksys WRT54G/GS/GL",
 274                 .buttons        = {
 275                         { .name = "reset",      .gpio = 1 << 6 },
 276                         { .name = "ses",        .gpio = 1 << 4 },
 277                 },
 278                 .leds           = {
 279                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 280                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 281                         { .name = "ses_white",  .gpio = 1 << 2, .polarity = REVERSE },
 282                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 283                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 284                 },
 285         },
 286         [WRTSL54GS] = {
 287                 .name           = "Linksys WRTSL54GS",
 288                 .buttons        = {
 289                         { .name = "reset",      .gpio = 1 << 6 },
 290                         { .name = "ses",        .gpio = 1 << 4 },
 291                 },
 292                 .leds           = {
 293                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 294                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },
 295                         { .name = "ses_white",  .gpio = 1 << 5, .polarity = REVERSE },
 296                         { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
 297                 },
 298         },
 299         [WRT54G3G] = {
 300                 .name           = "Linksys WRT54G3G",
 301                 .buttons        = {
 302                         { .name = "reset",      .gpio = 1 << 6 },
 303                         { .name = "3g",         .gpio = 1 << 4 },
 304                 },
 305                 .leds           = {
 306                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 307                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 308                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 309                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 310                         { .name = "3g_blink",   .gpio = 1 << 5, .polarity = NORMAL },
 311                 },
 312         },
 313         [WRT54G3GV2_VF] = {
 314                 .name           = "Linksys WRT54G3GV2-VF",
 315                 .buttons        = {
 316                         { .name = "reset",      .gpio = 1 << 6 },
 317                         { .name = "3g",         .gpio = 1 << 5 },
 318                 },
 319                 .leds           = {
 320                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 321                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 322                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 323                 },
 324         },
 325         [WRT150NV1] = {
 326                 .name           = "Linksys WRT150N V1",
 327                 .buttons        = {
 328                         { .name = "reset",      .gpio = 1 << 6 },
 329                         { .name = "ses",        .gpio = 1 << 4 },
 330                 },
 331                 .leds           = {
 332                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 333                         { .name = "ses_green",  .gpio = 1 << 5, .polarity = REVERSE },
 334                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
 335                 },
 336         },
 337         [WRT150NV11] = {
 338                 .name           = "Linksys WRT150N V1.1",
 339                 .buttons        = {
 340                         { .name = "reset",      .gpio = 1 << 6 },
 341                         { .name = "ses",        .gpio = 1 << 4 },
 342                 },
 343                 .leds           = {
 344                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 345                         { .name = "ses_green",  .gpio = 1 << 5, .polarity = REVERSE },
 346                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
 347                 },
 348         },
 349         [WRT160NV1] = {
 350                 .name           = "Linksys WRT160N v1.x",
 351                 .buttons        = {
 352                         { .name = "reset",      .gpio = 1 << 6 },
 353                         { .name = "ses",        .gpio = 1 << 4 },
 354                 },
 355                 .leds           = {
 356                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 357                         { .name = "ses_blue",   .gpio = 1 << 5, .polarity = REVERSE },
 358                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 359                 },
 360         },
 361         [WRT160NV3] = {
 362                 .name           = "Linksys WRT160N V3",
 363                 .buttons        = {
 364                         { .name = "reset",      .gpio = 1 << 6 },
 365                         { .name = "ses",        .gpio = 1 << 5 },
 366                 },
 367                 .leds           = {
 368                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 369                         { .name = "ses_blue",   .gpio = 1 << 4, .polarity = REVERSE },
 370                         { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE },
 371                 },
 372         },
 373         [WRT300NV11] = {
 374                 .name           = "Linksys WRT300N V1.1",
 375                 .buttons        = {
 376                         { .name = "reset",     .gpio = 1 << 6 }, // "Reset" on back panel
 377                         { .name = "ses",       .gpio = 1 << 4 }, // "Reserved" on top panel
 378                 },
 379                 .leds           = {
 380                         { .name = "power",     .gpio = 1 << 1, .polarity = NORMAL  }, // "Power"
 381                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
 382                         { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
 383                 },
 384                 .platform_init = bcm57xx_init,
 385         },
 386         [WRT310NV1] = {
 387                 .name           = "Linksys WRT310N V1",
 388                 .buttons        = {
 389                         { .name = "reset",      .gpio = 1 << 6 }, // "Reset" on back panel
 390                         { .name = "ses",        .gpio = 1 << 8 }, // "Reserved" on top panel
 391                 },
 392                 .leds           = {
 393                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL }, // Power LED
 394                         { .name = "ses_amber",  .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
 395                         { .name = "ses_blue",   .gpio = 1 << 9, .polarity = REVERSE }, // "Security" Blue
 396                 },
 397         },
 398         [WRT350N] = {
 399                 .name           = "Linksys WRT350N",
 400                 .buttons        = {
 401                         { .name = "reset",      .gpio = 1 << 6 },
 402                         { .name = "ses",        .gpio = 1 << 8 },
 403                 },
 404                 .leds           = {
 405                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 406                         { .name = "ses_amber",  .gpio = 1 << 3, .polarity = REVERSE },
 407                         { .name = "ses_green",  .gpio = 1 << 9, .polarity = REVERSE },
 408                         { .name = "usb_blink",  .gpio = 1 << 10, .polarity = REVERSE },
 409                         { .name = "usb",        .gpio = 1 << 11, .polarity = REVERSE },
 410                 },
 411                 .platform_init = bcm57xx_init,
 412         },
 413         [WRT600N] = {
 414                 .name           = "Linksys WRT600N",
 415                 .buttons        = {
 416                         { .name = "reset",      .gpio = 1 << 6 },
 417                         { .name = "ses",        .gpio = 1 << 7 },
 418                 },
 419                 .leds           = {
 420                         { .name = "power",              .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 421                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 422                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 423                         { .name = "wl0_ses_green",      .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 424                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 425                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 426                 },
 427                 .platform_init = bcm57xx_init,
 428         },
 429         [WRT600NV11] = {
 430                 .name           = "Linksys WRT600N V1.1",
 431                 .buttons        = {
 432                         { .name = "reset",      .gpio = 1 << 6 },
 433                         { .name = "ses",        .gpio = 1 << 7 },
 434                 },
 435                 .leds           = {
 436                         { .name = "power",             .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 437                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 438                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 439                         { .name = "wl0_ses_green",     .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 440                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 441                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 442                 },
 443                 .platform_init = bcm57xx_init,
 444         },
 445         [WRT610N] = {
 446                 .name           = "Linksys WRT610N",
 447                 .buttons        = {
 448                         { .name = "reset",      .gpio = 1 << 6 },
 449                         { .name = "ses",        .gpio = 1 << 8 },
 450                 },
 451                 .leds           = {
 452                         { .name = "power",      .gpio = 1 << 1,  .polarity = NORMAL }, // Power LED
 453                         { .name = "usb",        .gpio = 1 << 0,  .polarity = REVERSE }, // USB LED
 454                         { .name = "ses_amber",  .gpio = 1 << 3,  .polarity = REVERSE }, // WiFi protected setup LED amber
 455                         { .name = "ses_blue",   .gpio = 1 << 9,  .polarity = REVERSE }, // WiFi protected setup LED blue
 456                 },
 457         },
 458         [WRT610NV2] = {
 459                 .name           = "Linksys WRT610N V2",
 460                 .buttons        = {
 461                         { .name = "reset",      .gpio = 1 << 6 },
 462                         { .name = "ses",        .gpio = 1 << 4 },
 463                 },
 464                 .leds           = {
 465                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },   // Power LED
 466                         { .name = "usb",        .gpio = 1 << 7, .polarity = NORMAL },   // USB LED
 467                         { .name = "ses_amber",  .gpio = 1 << 0, .polarity = REVERSE },  // WiFi protected setup LED amber
 468                         { .name = "ses_blue",   .gpio = 1 << 3, .polarity = REVERSE },  // WiFi protected setup LED blue
 469                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },   // Wireless LED
 470                 },
 471         },
 472         /* same hardware as WRT160NV3 and Cisco Valet M10V1, but different board detection, combine? */
 473         [E1000V1] = {
 474                 .name           = "Linksys E1000 V1",
 475                 .buttons        = {
 476                         { .name = "reset",      .gpio = 1 << 6 },
 477                         { .name = "wps",        .gpio = 1 << 5 }, /* nvram get gpio5=wps_button */
 478                 },
 479                 .leds           = {
 480                         /** turns on leds for all ethernet ports (wan too)
 481                          *  this also disconnects some, or maybe all, ethernet ports
 482                          *  1: leds work normally
 483                          *  0: all lit all the time */
 484                         /* nvram get gpio3=robo_reset */
 485                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
 486                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 487                         { .name = "ses_blue",   .gpio = 1 << 4, .polarity = REVERSE }, /* nvram get gpio4=wps_led */
 488                         { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE }, /* nvram get gpio2=wps_status_led */
 489                 },
 490         },
 491         [E1000V21] = {
 492                 .name           = "Linksys E1000 V2.1",
 493                 .buttons        = {
 494                         { .name = "reset",      .gpio = 1 << 10 }, /* nvram get reset_gpio=10 */
 495                         { .name = "wps",        .gpio = 1 << 9 }, /* nvram get gpio9=wps_button */
 496                 },
 497                 .leds           = {
 498                         { .name = "power",      .gpio = 1 << 6, .polarity = REVERSE },
 499                         { .name = "wlan",       .gpio = 1 << 5, .polarity = NORMAL },
 500                         { .name = "ses_blue",   .gpio = 1 << 8, .polarity = NORMAL }, /* nvram get gpio8=wps_led */
 501                         { .name = "ses_orange", .gpio = 1 << 7, .polarity = NORMAL }, /* nvram get gpio7=wps_status_led */
 502                 },
 503         },
 504         [E2000V1] = {
 505                 .name           = "Linksys E2000 V1",
 506                 .buttons        = {
 507                         { .name = "reset",      .gpio = 1 << 8 },
 508                         { .name = "ses",        .gpio = 1 << 5 },
 509                 },
 510                 .leds           = {
 511                         { .name = "power",      .gpio = 1 << 2, .polarity = NORMAL },
 512                         { .name = "ses_amber",  .gpio = 1 << 4, .polarity = REVERSE },
 513                         { .name = "ses_blue",   .gpio = 1 << 3, .polarity = REVERSE },
 514                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },
 515                 },
 516         },
 517         [E3000V1] = {
 518                 .name           = "Linksys E3000 V1",
 519                 .buttons        = {
 520                         { .name = "reset",      .gpio = 1 << 6 },
 521                         { .name = "ses",        .gpio = 1 << 4 },
 522                 },
 523                 .leds           = {
 524                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },   // Power LED
 525                         { .name = "usb",        .gpio = 1 << 7, .polarity = NORMAL },   // USB LED
 526                         { .name = "ses_amber",  .gpio = 1 << 0, .polarity = REVERSE },  // WiFi protected setup LED amber
 527                         { .name = "ses_blue",   .gpio = 1 << 3, .polarity = REVERSE },  // WiFi protected setup LED blue
 528                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },   // Wireless LED
 529                 },
 530         },
 531         [E3200V1] = {
 532                 .name           = "Linksys E3200 V1",
 533                 .buttons        = {
 534                         /* { .name = "switch",  .gpio = 1 << 4 },*/     /* nvram get gpio4=robo_reset */
 535                         { .name = "reset",      .gpio = 1 << 5 },       /* nvram get reset_gpio=5 */
 536                         { .name = "wps",        .gpio = 1 << 8 },       /* nvram get gpio8=wps_button */
 537                         /* { .name = "wombo",   .gpio = 1 << 23 },*/    /* nvram get gpio23=wombo_reset - wireless on motherboard */
 538                 },
 539                 .leds   = {
 540                         { .name = "power",      .gpio = 1 << 3, .polarity = REVERSE },  /* Power LED */
 541                 },
 542         },
 543         [E4200V1] = {
 544                 .name           = "Linksys E4200 V1",
 545                 .buttons        = {
 546                         { .name = "reset",      .gpio = 1 << 6 },
 547                         { .name = "wps",        .gpio = 1 << 4 },
 548                 },
 549                 .leds   = {
 550                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 551                 },
 552         },
 553         /* Asus */
 554         [WLHDD] = {
 555                 .name           = "ASUS WL-HDD",
 556                 .buttons        = {
 557                         { .name = "reset",      .gpio = 1 << 6 },
 558                 },
 559                 .leds           = {
 560                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 561                         { .name = "usb",        .gpio = 1 << 2, .polarity = REVERSE },
 562                 },
 563         },
 564         [WL300G] = {
 565                 .name           = "ASUS WL-300g",
 566                 .buttons        = {
 567                         { .name = "reset",      .gpio = 1 << 6 },
 568                 },
 569                 .leds           = {
 570                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 571                 },
 572         },
 573         [WL320GE] = {
 574                 .name           = "ASUS WL-320gE/WL-320gP",
 575                 .buttons        = {
 576                         { .name = "reset",      .gpio = 1 << 6 },
 577                 },
 578                 .leds           = {
 579                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 580                         { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
 581                         { .name = "link",       .gpio = 1 << 11, .polarity = REVERSE },
 582                 },
 583         },
 584         [WL330GE] = {
 585                 .name           = "ASUS WL-330gE",
 586                 .buttons        = {
 587                         { .name = "reset",      .gpio = 1 << 2 },
 588                 },
 589                 .leds           = {
 590                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 591                 },
 592         },
 593         [WL500G] = {
 594                 .name           = "ASUS WL-500g",
 595                 .buttons        = {
 596                         { .name = "reset",      .gpio = 1 << 6 },
 597                 },
 598                 .leds           = {
 599                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 600                 },
 601         },
 602         [WL500GD] = {
 603                 .name           = "ASUS WL-500g Deluxe",
 604                 .buttons        = {
 605                         { .name = "reset",      .gpio = 1 << 6 },
 606                 },
 607                 .leds           = {
 608                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 609                 },
 610         },
 611         [WL500GP] = {
 612                 .name           = "ASUS WL-500g Premium",
 613                 .buttons        = {
 614                         { .name = "reset",      .gpio = 1 << 0 },
 615                         { .name = "ses",        .gpio = 1 << 4 },
 616                 },
 617                 .leds           = {
 618                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 619                 },
 620         },
 621         [WL500GPV2] = {
 622                 .name           = "ASUS WL-500g Premium V2",
 623                 .buttons        = {
 624                         { .name = "reset",      .gpio = 1 << 2 },
 625                         { .name = "ses",        .gpio = 1 << 3 },
 626                 },
 627                 .leds           = {
 628                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 629                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 630                 },
 631         },
 632         [WL500W] = {
 633                 .name           = "ASUS WL-500W",
 634                 .buttons        = {
 635                         { .name = "reset",      .gpio = 1 << 6 },
 636                         { .name = "ses",        .gpio = 1 << 7 },
 637                 },
 638                 .leds           = {
 639                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 640                 },
 641         },
 642         [WL520GC] = {
 643                 .name           = "ASUS WL-520GC",
 644                 .buttons        = {
 645                         { .name = "reset",      .gpio = 1 << 2 },
 646                         { .name = "ses",        .gpio = 1 << 3 },
 647                 },
 648                 .leds           = {
 649                 { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 650                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 651                 },
 652         },
 653         [WL520GU] = {
 654                 .name           = "ASUS WL-520gU",
 655                 .buttons        = {
 656                         { .name = "reset",      .gpio = 1 << 2 },
 657                         { .name = "ses",        .gpio = 1 << 3 },
 658                 },
 659                 .leds           = {
 660                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 661                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 662                 },
 663         },
 664         [ASUS_4702] = {
 665                 .name           = "ASUS (unknown, BCM4702)",
 666                 .buttons        = {
 667                         { .name = "reset",      .gpio = 1 << 6 },
 668                 },
 669                 .leds           = {
 670                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 671                 },
 672         },
 673         [WL700GE] = {
 674                 .name           = "ASUS WL-700gE",
 675                 .buttons        = {
 676                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 677                         { .name = "ses",        .gpio = 1 << 4 }, // on back, actual name ezsetup
 678                         { .name = "power",      .gpio = 1 << 0 }, // on front
 679                         { .name = "copy",       .gpio = 1 << 6 }, // on front
 680                 },
 681                 .leds           = {
 682 #if 0
 683                         // GPIO that controls power led also enables/disables some essential functions
 684                         // - power to HDD
 685                         // - switch leds
 686                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },  // actual name power
 687 #endif
 688                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 689                 },
 690                 .platform_init = bcm4780_init,
 691         },
 692         [RTN12] = {
 693                 .name           = "ASUS RT-N12",
 694                 .buttons        = {
 695                         { .name = "wps",        .gpio = 1 << 0 },
 696                         { .name = "reset",      .gpio = 1 << 1 },
 697                         // this is the router/repeater/ap switch
 698                         { .name = "sw1",        .gpio = 1 << 4 },
 699                         { .name = "sw2",        .gpio = 1 << 5 },
 700                         { .name = "sw3",        .gpio = 1 << 6 },
 701                 },
 702                 .leds           = {
 703                         { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
 704                         { .name = "wlan",       .gpio = 1 << 7, .polarity = NORMAL },
 705                         // gpio3 forces WAN and LAN1-4 all on
 706                         //{ .name = "eth",      .gpio = 1 << 3, .polarity = REVERSE },
 707                 },
 708         },
 709         [RTN16] = {
 710                 .name           = "ASUS RT-N16",
 711                 .buttons        = {
 712                         { .name = "reset",      .gpio = 1 << 8 },
 713                         { .name = "ses",        .gpio = 1 << 6 },
 714                 },
 715                 .leds           = {
 716                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 717                         { .name = "wlan",       .gpio = 1 << 7, .polarity = NORMAL },
 718                 },
 719         },
 720         [RTN66U] = {
 721                 .name           = "ASUS RT-N66U",
 722                 .buttons        = {
 723                         { .name = "reset",      .gpio = 1 << 9 },
 724                         { .name = "wps",        .gpio = 1 << 4 },
 725                 },
 726                 .leds           = {
 727                         { .name = "power",      .gpio = 1 << 12, .polarity = REVERSE },
 728                         { .name = "usb",        .gpio = 1 << 15, .polarity = REVERSE },
 729                 },
 730         },
 731         /* Buffalo */
 732         [WHR_G54S] = {
 733                 .name           = "Buffalo WHR-G54S",
 734                 .buttons        = {
 735                         { .name = "reset",      .gpio = 1 << 4 },
 736                         { .name = "bridge",     .gpio = 1 << 5 },
 737                         { .name = "ses",        .gpio = 1 << 0 },
 738                 },
 739                 .leds           = {
 740                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 741                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 742                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 743                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 744                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 745                 },
 746         },
 747         [WBR2_G54] = {
 748                 .name           = "Buffalo WBR2-G54",
 749                 /* FIXME: verify */
 750                 .buttons        = {
 751                         { .name = "reset",      .gpio = 1 << 7 },
 752                 },
 753                 .leds           = {
 754                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 755                 },
 756         },
 757         [WHR_HP_G54] = {
 758                 .name           = "Buffalo WHR-HP-G54",
 759                 .buttons        = {
 760                         { .name = "reset",      .gpio = 1 << 4 },
 761                         { .name = "bridge",     .gpio = 1 << 5 },
 762                         { .name = "ses",        .gpio = 1 << 0 },
 763                 },
 764                 .leds           = {
 765                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 766                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 767                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 768                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 769                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 770                 },
 771         },
 772         [WHR_G125] = {
 773                 .name           = "Buffalo WHR-G125",
 774                 .buttons        = {
 775                         { .name = "reset",      .gpio = 1 << 4 },
 776                         { .name = "bridge",     .gpio = 1 << 5 },
 777                         { .name = "ses",        .gpio = 1 << 0 },
 778                 },
 779                 .leds           = {
 780                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 781                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 782                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 783                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 784                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 785                 },
 786         },
 787         [WHR2_A54G54] = {
 788                 .name           = "Buffalo WHR2-A54G54",
 789                 .buttons        = {
 790                         { .name = "reset",      .gpio = 1 << 4 },
 791                 },
 792                 .leds           = {
 793                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 794                 },
 795         },
 796         [WLA2_G54L] = {
 797                 .name           = "Buffalo WLA2-G54L",
 798                 /* FIXME: verify */
 799                 .buttons        = {
 800                         { .name = "reset",      .gpio = 1 << 7 },
 801                 },
 802                 .leds           = {
 803                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 804                 },
 805         },
 806         [WZR_G300N] = {
 807                 .name           = "Buffalo WZR-G300N",
 808                 .buttons        = {
 809                         { .name = "reset",      .gpio = 1 << 4 },
 810                 },
 811                 .leds           = {
 812                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 813                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 814                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 815                 },
 816         },
 817         [WZR_RS_G54] = {
 818                 .name           = "Buffalo WZR-RS-G54",
 819                 .buttons        = {
 820                         { .name = "ses",        .gpio = 1 << 0 },
 821                         { .name = "reset",      .gpio = 1 << 4 },
 822                 },
 823                 .leds           = {
 824                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 825                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 826                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 827                 },
 828         },
 829         [WZR_RS_G54HP] = {
 830                 .name           = "Buffalo WZR-RS-G54HP",
 831                 .buttons        = {
 832                         { .name = "ses",        .gpio = 1 << 0 },
 833                         { .name = "reset",      .gpio = 1 << 4 },
 834                 },
 835                 .leds           = {
 836                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 837                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 838                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 839                 },
 840         },
 841         [BUFFALO_UNKNOWN_4710] = {
 842                 .name           = "Buffalo (unknown, BCM4710)",
 843                 .buttons        = {
 844                         { .name = "reset",      .gpio = 1 << 4 },
 845                 },
 846                 .leds           = {
 847                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 848                 },
 849         },
 850         /* Siemens */
 851         [SE505V1] = {
 852                 .name           = "Siemens SE505 V1",
 853                 .buttons        = {
 854                         /* No usable buttons */
 855                 },
 856                 .leds           = {
 857 //                      { .name = "power",      .gpio = 1 << 0  .polarity = REVERSE },  // Usable when retrofitting D26 (?)
 858                         { .name = "dmz",        .gpio = 1 << 4, .polarity = REVERSE },  // actual name WWW
 859                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 860                 },
 861         },
 862         [SE505V2] = {
 863                 .name           = "Siemens SE505 V2",
 864                 .buttons        = {
 865                         /* No usable buttons */
 866                 },
 867                 .leds           = {
 868                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 869                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },  // actual name WWW
 870                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 871                 },
 872         },
 873         /* US Robotics */
 874         [USR5461] = {
 875                 .name           = "U.S. Robotics USR5461",
 876                 .buttons        = {
 877                         /* No usable buttons */
 878                 },
 879                 .leds           = {
 880                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 881                         { .name = "printer",    .gpio = 1 << 1, .polarity = REVERSE },
 882                 },
 883         },
 884         /* Dell */
 885         [TM2300] = {
 886                 .name           = "Dell TrueMobile 2300",
 887                 .buttons        = {
 888                         { .name = "reset",      .gpio = 1 << 0 },
 889                 },
 890                 .leds           = {
 891                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 892                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 893                 },
 894         },
 895         [TM2300V2] = {
 896                 .name           = "Dell TrueMobile 2300 v2",
 897                 .buttons        = {
 898                         { .name = "reset",      .gpio = 1 << 0 },
 899                 },
 900                 .leds           = {
 901                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 902                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 903                 },
 904         },
 905         /* Motorola */
 906         [WE800G] = {
 907                 .name           = "Motorola WE800G",
 908                 .buttons        = {
 909                         { .name = "reset",      .gpio = 1 << 0 },
 910                 },
 911                 .leds           = {
 912                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 913                         { .name = "diag",       .gpio = 1 << 2, .polarity = REVERSE },
 914                         { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
 915                 },
 916         },
 917         [WR850GV1] = {
 918                 .name           = "Motorola WR850G V1",
 919                 .buttons        = {
 920                         { .name = "reset",      .gpio = 1 << 0 },
 921                 },
 922                 .leds           = {
 923                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 924                         { .name = "diag",       .gpio = 1 << 3, .polarity = REVERSE },
 925                         { .name = "dmz",        .gpio = 1 << 6, .polarity = NORMAL },
 926                         { .name = "wlan_red",   .gpio = 1 << 5, .polarity = REVERSE },
 927                         { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
 928                 },
 929         },
 930         [WR850GV2V3] = {
 931                 .name           = "Motorola WR850G V2/V3",
 932                 .buttons        = {
 933                         { .name = "reset",      .gpio = 1 << 5 },
 934                 },
 935                 .leds           = {
 936                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 937                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 938                         { .name = "wan",        .gpio = 1 << 6, .polarity = INPUT },
 939                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 940                 },
 941         },
 942         [WR850GP] = {
 943                 .name           = "Motorola WR850GP",
 944                 .buttons        = {
 945                         { .name = "reset",      .gpio = 1 << 5 },
 946                 },
 947                 .leds           = {
 948                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 949                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 950                         { .name = "dmz",        .gpio = 1 << 6, .polarity = REVERSE },
 951                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 952                 },
 953         },
 954
 955         /* Belkin */
 956         [BELKIN_F7D4301] = {
 957                 .name           = "Belkin PlayMax F7D4301",
 958                 .buttons        = {
 959                         { .name = "reset",      .gpio = 1 << 6 },
 960                         { .name = "wps",        .gpio = 1 << 8 },
 961                 },
 962                 .leds           = {
 963                         { .name = "power",      .gpio = 1 << 10, .polarity = REVERSE },
 964                         { .name = "warn",       .gpio = 1 << 11, .polarity = REVERSE },
 965                         { .name = "wps",        .gpio = 1 << 12, .polarity = REVERSE },
 966                         { .name = "wlan",       .gpio = 1 << 13, .polarity = REVERSE },
 967                         { .name = "usb0",       .gpio = 1 << 14, .polarity = REVERSE },
 968                         { .name = "usb1",       .gpio = 1 << 15, .polarity = REVERSE },
 969                 },
 970         },
 971         /* Netgear */
 972         [WGT634U] = {
 973                 .name           = "Netgear WGT634U",
 974                 .buttons        = {
 975                         { .name = "reset",      .gpio = 1 << 2 },
 976                 },
 977                 .leds           = {
 978                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
 979                 },
 980         },
 981         /* Netgear */
 982         [WNR834BV1] = {
 983                 .name           = "Netgear WNR834B V1",
 984                 .buttons        = { /* TODO: add reset button and confirm LEDs - GPIO from dd-wrt */ },
 985                 .leds           = {
 986                         { .name = "power",      .gpio = 1 << 4, .polarity = REVERSE },
 987                         { .name = "diag",       .gpio = 1 << 5, .polarity = REVERSE },
 988                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 989                 },
 990         },
 991         /* Netgear */
 992         [WNR834BV2] = {
 993                 .name           = "Netgear WNR834B V2",
 994                 .buttons        = {
 995                         { .name = "reset",      .gpio = 1 << 6 },
 996                 },
 997                 .leds           = {
 998                         { .name = "power",      .gpio = 1 << 2, .polarity = NORMAL },
 999                         { .name = "diag",       .gpio = 1 << 3, .polarity = NORMAL },
1000                         { .name = "connected",  .gpio = 1 << 7, .polarity = NORMAL },
1001                 },
1002         },
1003         [WNDR3400V1] = {
1004                 .name           = "Netgear WNDR3400 V1",
1005                 .buttons        = {
1006                         /* nvram get gpio5=robo_reset */
1007                         { .name = "reset",      .gpio = 1 << 4 },
1008                         { .name = "wps",        .gpio = 1 << 6 },
1009                         { .name = "wlan",       .gpio = 1 << 8 },
1010                 },
1011                 .leds           = {
1012                         { .name = "wlan",       .gpio = 0 << 0, .polarity = NORMAL },
1013                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
1014                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
1015                         { .name = "diag",       .gpio = 1 << 7, .polarity = NORMAL },
1016                         { .name = "usb",        .gpio = 1 << 2, .polarity = REVERSE },
1017                 },
1018         },
1019         [WNDR3700V3] = {
1020                 .name           = "Netgear WNDR3700 V3",
1021                 .buttons        = {
1022                         /* { .name = "usb",     .gpio = 1 << 1 }, */ /* this button doesn't seem to exist. */
1023                         { .name = "wlan",       .gpio = 1 << 2 },
1024                         { .name = "reset",      .gpio = 1 << 3 },
1025                         { .name = "wps",        .gpio = 1 << 4 },
1026                         /* { .name = "switch",  .gpio = 1 << 5 },*/     /* nvram get gpio5=robo_reset */
1027                 },
1028                 .leds           = {
1029                         { .name = "power",      .gpio = (1 << 0) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1030                         { .name = "diag",       .gpio = (1 << 1) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1031                         /* WAN LED doesn't respond to GPIO control. The switch is probably driving it.
1032                          * { .name = "wan",     .gpio = (1 << 2) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1033                          */
1034                         { .name = "wlan2g",     .gpio = (1 << 3) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1035                         { .name = "wlan5g",     .gpio = (1 << 4) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1036                         { .name = "usb",        .gpio = (1 << 5) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1037                         { .name = "wps",        .gpio = (1 << 6) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1038                         { .name = "wlan",       .gpio = (1 << 7) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1039                 },
1040         },
1041         /* Trendware */
1042         [TEW411BRPP] = {
1043                 .name           = "Trendware TEW411BRP+",
1044                 .buttons        = {
1045                         { /* No usable buttons */ },
1046                 },
1047                 .leds           = {
1048                         { .name = "power",      .gpio = 1 << 7, .polarity = NORMAL },
1049                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },
1050                         { .name = "bridge",     .gpio = 1 << 6, .polarity = NORMAL },
1051                 },
1052         },
1053         /* SimpleTech */
1054         [STI_NAS] = {
1055                 .name      = "SimpleTech SimpleShare NAS",
1056                 .buttons        = {
1057                         { .name = "reset",      .gpio = 1 << 0 }, // Power button on back, named reset to enable failsafe.
1058                 },
1059                 .leds      = {
1060                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
1061                 },
1062                 .platform_init = bcm4780_init,
1063         },
1064         /* D-Link */
1065         [DIR130] = {
1066                 .name     = "D-Link DIR-130",
1067                 .buttons        = {
1068                         { .name = "reset",      .gpio = 1 << 3},
1069                         { .name = "reserved",   .gpio = 1 << 7},
1070                 },
1071                 .leds      = {
1072                         { .name = "diag",       .gpio = 1 << 0},
1073                         { .name = "blue",       .gpio = 1 << 6},
1074                 },
1075         },
1076         [DIR320] = {
1077                 .name     = "D-Link DIR-320",
1078                 .buttons        = {
1079                         { .name = "reserved",   .gpio = 1 << 6},
1080                         { .name = "reset",      .gpio = 1 << 7},
1081                 },
1082                 .leds      = {
1083                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
1084                         { .name = "diag",       .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
1085                         { .name = "red",        .gpio = 1 << 3, .polarity = REVERSE },
1086                         { .name = "blue",       .gpio = 1 << 4, .polarity = REVERSE },
1087                         { .name = "usb",        .gpio = 1 << 5, .polarity = NORMAL },
1088                 },
1089         },
1090         [DIR330] = {
1091                 .name     = "D-Link DIR-330",
1092                 .buttons        = {
1093                         { .name = "reset",      .gpio = 1 << 3},
1094                         { .name = "reserved",   .gpio = 1 << 7},
1095                 },
1096                 .leds      = {
1097                         { .name = "diag",       .gpio = 1 << 0},
1098                         { .name = "usb",        .gpio = 1 << 4},
1099                         { .name = "blue",       .gpio = 1 << 6},
1100                 },
1101         },
1102         [DWL3150] = {
1103                 .name   = "D-Link DWL-3150",
1104                 .buttons        = {
1105                         { .name = "reset",      .gpio = 1 << 7},
1106                 },
1107                 .leds     = {
1108                         { .name = "diag",       .gpio = 1 << 2},
1109                         { .name = "status",     .gpio = 1 << 1},
1110                 },
1111         },
1112         /* Double check */
1113         [WL105B] = {
1114                 .name   = "Sitecom WL-105b",
1115                 .buttons        = {
1116                         { .name = "reset",      .gpio = 1 << 10},
1117                 },
1118                 .leds     = {
1119                         { .name = "wlan",       .gpio = 1 << 4},
1120                         { .name = "power",      .gpio = 1 << 3},
1121                 },
1122         },
1123         /* Western Digital Net Center */
1124         [WDNetCenter] = {
1125                 .name   = "Western Digital NetCenter",
1126                 .buttons        = {
1127                         { .name = "power",      .gpio = 1 << 0},
1128                         { .name = "reset",      .gpio = 1 << 7},
1129                 },
1130                 .platform_init = NetCenter_init,
1131         },
1132         /* Askey (and clones) */
1133         [RT210W] = {
1134                 .name           = "Askey RT210W",
1135                 .buttons        = {
1136                         /* Power button is hard-wired to hardware reset */
1137                         /* but is also connected to GPIO 7 (probably for bootloader recovery)  */
1138                         { .name = "power",      .gpio = 1 << 7},
1139                 },
1140                 .leds           = {
1141                         /* These were verified and named based on Belkin F5D4230-4 v1112 */
1142                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
1143                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
1144                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
1145                 },
1146         },
1147         [WL1600GL] = {
1148                 .name           = "OvisLink WL-1600GL",
1149                 .buttons        = {
1150                         { .name = "reset",      .gpio = 1 << 3 },
1151                         { .name = "ses",        .gpio = 1 << 4 },
1152                 },
1153                 .leds           = {
1154                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
1155                         { .name = "wps",        .gpio = 1 << 2, .polarity = REVERSE },
1156                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
1157                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
1158                 },
1159         },
1160         /* Microsoft */
1161         [MN700] = {
1162                 .name   = "Microsoft MN-700",
1163                 .buttons        = {
1164                         { .name = "reset",      .gpio = 1 << 7 },
1165                 },
1166                 .leds     = {
1167                         { .name = "power",      .gpio = 1 << 6, .polarity = NORMAL },
1168                 },
1169         },
1170         /* Edimax */
1171         [PS1208MFG] = {
1172                 .name   = "Edimax PS-1208MFG",
1173                 .buttons        = {
1174                         { .name = "reset",      .gpio = 1 << 4 },
1175                 },
1176                 .leds     = {
1177                         { .name = "status",     .gpio = 1 << 1, .polarity = NORMAL },
1178                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
1179                 },
1180         },
1181         /* Huawei */
1182         [HUAWEI_E970] = {
1183                 .name           = "Huawei E970",
1184                 .buttons        = {
1185                         { .name = "reset",      .gpio = 1 << 6 },
1186                 },
1187                 .leds           = {
1188                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
1189                 },
1190         },
1191 };
1192
1193 static struct platform_t __init *platform_detect_legacy(void)
1194 {
1195         char *boardnum, *boardtype;
1196
1197         if (strcmp(getvar("nvram_type"), "cfe") == 0)
1198                 return &platforms[WGT634U];
1199
1200
1201         /* no easy model number, attempt to guess */
1202         boardnum = getvar("boardnum");
1203         boardtype = getvar("boardtype");
1204
1205         if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N  v1/V1.1 */
1206                 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
1207                         return &platforms[WRT600NV11];
1208
1209         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
1210                         return &platforms[WRT600N];
1211         }
1212
1213         if (startswith(getvar("pmon_ver"), "CFE")) {
1214                 /* CFE based - newer hardware */
1215                 if (!strcmp(boardnum, "42")) { /* Linksys */
1216                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
1217                                 return &platforms[WRT350N];
1218
1219                         if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
1220                                 return &platforms[WRT54G3G];
1221
1222                         /* default to WRT54G if no boot_hw_model is set */
1223                         if (nvram_get("boot_hw_model") == NULL)
1224                                 return &platforms[WRT54G];
1225                 }
1226                 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
1227                         return &platforms[WAP54GV2];
1228
1229                 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
1230                         return &platforms[WL1600GL];
1231
1232
1233                 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1234                         if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1235                                 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1236                 }
1237
1238                 if (!strcmp(boardnum, "10496"))
1239                         return &platforms[USR5461];
1240
1241                 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1242                         return &platforms[SE505V2];
1243
1244                 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1245                                 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1246                         return &platforms[DIR320];
1247
1248                 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1249                         return &platforms[WDNetCenter];
1250                 }
1251
1252                 if (!strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B  V1 and V2*/
1253                         if (!strcmp(boardnum, "08") || !strcmp(boardnum, "8"))
1254                                 return &platforms[WNR834BV1];
1255                         if (!strcmp(boardnum, "01") || !strcmp(boardnum, "1"))
1256                                 return &platforms[WNR834BV2];
1257                 }
1258
1259         } else { /* PMON based - old stuff */
1260                 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1261                         (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1262                         return &platforms[WR850GV1];
1263                 }
1264                 if (startswith(boardtype, "bcm94710dev")) {
1265                         if (!strcmp(boardnum, "42"))
1266                                 return &platforms[WRT54GV1];
1267                         if (simple_strtoul(boardnum, NULL, 0) == 2)
1268                                 return &platforms[WAP54GV1];
1269                 }
1270                 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1271                 if (startswith(getvar("hardware_version"), "WL500-")) {
1272                         if (!strcmp(getvar("boardnum"), "mn700"))
1273                                 return &platforms[MN700];
1274                         else
1275                                 return &platforms[WL500G];
1276                 }
1277                 /* Sitecom WL-105b */
1278                 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1279                         return &platforms[WL105B];
1280
1281                 /* unknown asus stuff, probably bcm4702 */
1282                 if (startswith(boardnum, "asusX"))
1283                         return &platforms[ASUS_4702];
1284
1285                 /* bcm4702 based Askey RT210W clones, Including:
1286                  * Askey RT210W (duh?)
1287                  * Siemens SE505v1
1288                  * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1289                  */
1290                 if (!strcmp(boardtype,"bcm94710r4")
1291                  && !strcmp(boardnum ,"100")
1292                  && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1293                    ){
1294                         return &platforms[RT210W];
1295                 }
1296         }
1297
1298         if (boardnum || !strcmp(boardnum, "00")) {/* probably buffalo */
1299                 if (startswith(boardtype, "bcm94710ap"))
1300                         return &platforms[BUFFALO_UNKNOWN_4710];
1301         }
1302
1303         if (startswith(getvar("CFEver"), "MotoWRv2") ||
1304                 startswith(getvar("CFEver"), "MotoWRv3") ||
1305                 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1306
1307                 return &platforms[WR850GV2V3];
1308         }
1309
1310         if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) {  /* Trendware TEW-411BRP+ */
1311                 return &platforms[TEW411BRPP];
1312         }
1313
1314         if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
1315                 return &platforms[STI_NAS];
1316
1317         if (!strcmp(boardnum, "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1318                 return &platforms[DWL3150];
1319
1320         if (!strcmp(boardnum, "01") && !strcmp(boardtype, "0x048e") && /* Edimax PS1208MFG */
1321                 !strcmp(getvar("status_gpio"), "1")) /* gpio based detection */
1322                 return &platforms[PS1208MFG];
1323
1324         /* not found */
1325         return NULL;
1326 }
1327
1328 static struct platform_t __init *platform_detect(void)
1329 {
1330         enum bcm47xx_board board;
1331         const char *board_name;
1332
1333
1334         board = bcm47xx_board_get();
1335         board_name = bcm47xx_board_get_name();
1336         if (board != BCM47XX_BOARD_UNKNOWN && board != BCM47XX_BOARD_NO)
1337                 printk(MODULE_NAME ": kernel found a \"%s\"\n", board_name);
1338
1339         switch(board) {
1340         case BCM47XX_BOARD_ASUS_RTN12:
1341                 return &platforms[RTN12];
1342         case BCM47XX_BOARD_ASUS_RTN16:
1343                 return &platforms[RTN16];
1344         case BCM47XX_BOARD_ASUS_RTN66U:
1345                 return &platforms[RTN66U];
1346         case BCM47XX_BOARD_ASUS_WL300G:
1347                 return &platforms[WL300G];
1348         case BCM47XX_BOARD_ASUS_WL320GE:
1349                 return &platforms[WL320GE];
1350         case BCM47XX_BOARD_ASUS_WL330GE:
1351                 return &platforms[WL330GE];
1352         case BCM47XX_BOARD_ASUS_WL500GD:
1353                 return &platforms[WL500GD];
1354         case BCM47XX_BOARD_ASUS_WL500GPV1:
1355                 return &platforms[WL500GP];
1356         case BCM47XX_BOARD_ASUS_WL500GPV2:
1357                 return &platforms[WL500GPV2];
1358         case BCM47XX_BOARD_ASUS_WL500W:
1359                 return &platforms[WL500W];
1360         case BCM47XX_BOARD_ASUS_WL520GC:
1361                 return &platforms[WL520GC];
1362         case BCM47XX_BOARD_ASUS_WL520GU:
1363                 return &platforms[WL520GU];
1364         case BCM47XX_BOARD_ASUS_WL700GE:
1365                 return &platforms[WL700GE];
1366         case BCM47XX_BOARD_ASUS_WLHDD:
1367                 return &platforms[WLHDD];
1368         case BCM47XX_BOARD_BELKIN_F7D4301:
1369                 return &platforms[BELKIN_F7D4301];
1370         case BCM47XX_BOARD_BUFFALO_WBR2_G54:
1371                 return &platforms[WBR2_G54];
1372         case BCM47XX_BOARD_BUFFALO_WHR2_A54G54:
1373                 return &platforms[WHR2_A54G54];
1374         case BCM47XX_BOARD_BUFFALO_WHR_G125:
1375                 return &platforms[WHR_G125];
1376         case BCM47XX_BOARD_BUFFALO_WHR_G54S:
1377                 return &platforms[WHR_G54S];
1378         case BCM47XX_BOARD_BUFFALO_WHR_HP_G54:
1379                 return &platforms[WHR_HP_G54];
1380         case BCM47XX_BOARD_BUFFALO_WLA2_G54L:
1381                 return &platforms[WLA2_G54L];
1382         case BCM47XX_BOARD_BUFFALO_WZR_G300N:
1383                 return &platforms[WZR_G300N];
1384         case BCM47XX_BOARD_BUFFALO_WZR_RS_G54:
1385                 return &platforms[WZR_RS_G54];
1386         case BCM47XX_BOARD_BUFFALO_WZR_RS_G54HP:
1387                 return &platforms[WZR_RS_G54HP];
1388         case BCM47XX_BOARD_DELL_TM2300:
1389                 return &platforms[TM2300];
1390         case BCM47XX_BOARD_DLINK_DIR130:
1391                 return &platforms[DIR130];
1392         case BCM47XX_BOARD_DLINK_DIR330:
1393                 return &platforms[DIR330];
1394         case BCM47XX_BOARD_HUAWEI_E970:
1395                 return &platforms[HUAWEI_E970];
1396         case BCM47XX_BOARD_LINKSYS_E1000V1:
1397                 return &platforms[E1000V1];
1398         case BCM47XX_BOARD_LINKSYS_E1000V21:
1399                 return &platforms[E1000V21];
1400         case BCM47XX_BOARD_LINKSYS_E2000V1:
1401                 return &platforms[E2000V1];
1402         case BCM47XX_BOARD_LINKSYS_E3000V1:
1403                 return &platforms[E3000V1];
1404         case BCM47XX_BOARD_LINKSYS_E3200V1:
1405                 return &platforms[E3200V1];
1406         case BCM47XX_BOARD_LINKSYS_E4200V1:
1407                 return &platforms[E4200V1];
1408         case BCM47XX_BOARD_LINKSYS_WRT150NV1:
1409                 return &platforms[WRT150NV1];
1410         case BCM47XX_BOARD_LINKSYS_WRT150NV11:
1411                 return &platforms[WRT150NV11];
1412         case BCM47XX_BOARD_LINKSYS_WRT160NV1:
1413                 return &platforms[WRT160NV1];
1414         case BCM47XX_BOARD_LINKSYS_WRT160NV3:
1415                 return &platforms[WRT160NV3];
1416         case BCM47XX_BOARD_LINKSYS_WRT300NV11:
1417                 return &platforms[WRT300NV11];
1418         case BCM47XX_BOARD_LINKSYS_WRT310NV1:
1419                 return &platforms[WRT310NV1];
1420         case BCM47XX_BOARD_LINKSYS_WRT54GSV1:
1421                 return &platforms[WRT54G];
1422         case BCM47XX_BOARD_LINKSYS_WRT54G3GV2:
1423                 return &platforms[WRT54G3GV2_VF];
1424         case BCM47XX_BOARD_LINKSYS_WRT610NV1:
1425                 return &platforms[WRT610N];
1426         case BCM47XX_BOARD_LINKSYS_WRT610NV2:
1427                 return &platforms[WRT610NV2];
1428         case BCM47XX_BOARD_LINKSYS_WRTSL54GS:
1429                 return &platforms[WRTSL54GS];
1430         case BCM47XX_BOARD_MOTOROLA_WE800G:
1431                 return &platforms[WE800G];
1432         case BCM47XX_BOARD_MOTOROLA_WR850GP:
1433                 return &platforms[WR850GP];
1434         case BCM47XX_BOARD_MOTOROLA_WR850GV2V3:
1435                 return &platforms[WR850GV2V3];
1436         case BCM47XX_BOARD_NETGEAR_WNDR3400V1:
1437                 return &platforms[WNDR3400V1];
1438         case BCM47XX_BOARD_NETGEAR_WNDR3700V3:
1439                 return &platforms[WNDR3700V3];
1440         case BCM47XX_BOARD_UNKNOWN:
1441         case BCM47XX_BOARD_NO:
1442                 printk(MODULE_NAME ": unknown board found, try legacy detect\n");
1443                 printk(MODULE_NAME ": please open a ticket at https://dev.openwrt.org and attach the complete nvram\n");
1444                 return platform_detect_legacy();
1445         default:
1446                 printk(MODULE_NAME ": board was detected as \"%s\", but not gpio configuration available\n", board_name);
1447                 printk(MODULE_NAME ": now trying legacy detect\n");
1448                 return platform_detect_legacy();
1449         }
1450 }
1451
1452 static inline void ssb_maskset32(struct ssb_device *dev,
1453                                   u16 offset, u32 mask, u32 set)
1454 {
1455         ssb_write32(dev, offset, (ssb_read32(dev, offset) & mask) | set);
1456 }
1457
1458 static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
1459 {
1460         int irq;
1461         int err;
1462
1463         irq = gpio_to_irq(0);
1464         if (irq < 0) {
1465                 pr_err("no irq for gpio available\n");
1466                 return;
1467         }
1468
1469         if (enabled) {
1470                 err = request_irq(irq, handler, IRQF_SHARED, "gpio", handler);
1471                 if (err) {
1472                         pr_err("can not reqeust irq\n");
1473                         return;
1474                 }
1475         } else {
1476                 free_irq(irq, handler);
1477         }
1478
1479         switch (bcm47xx_bus_type) {
1480 #ifdef CONFIG_BCM47XX_SSB
1481         case BCM47XX_BUS_TYPE_SSB:
1482                 if (bcm47xx_bus.ssb.chipco.dev)
1483                         ssb_maskset32(bcm47xx_bus.ssb.chipco.dev, SSB_CHIPCO_IRQMASK, ~SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
1484                 break;
1485 #endif
1486 #ifdef CONFIG_BCM47XX_BCMA
1487         case BCM47XX_BUS_TYPE_BCMA:
1488                 if (bcm47xx_bus.bcma.bus.drv_cc.core)
1489                         bcma_maskset32(bcm47xx_bus.bcma.bus.drv_cc.core, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO, (enabled ? BCMA_CC_IRQ_GPIO : 0));
1490                 break;
1491 #endif
1492         }
1493 }
1494
1495 static void hotplug_button(struct work_struct *work)
1496 {
1497         struct event_t *event = container_of(work, struct event_t, wq);
1498         char *s;
1499
1500         event->skb = alloc_skb(2048, GFP_KERNEL);
1501
1502         s = skb_put(event->skb, strlen(event->action) + 2);
1503         sprintf(s, "%s@", event->action);
1504         fill_event(event);
1505
1506         NETLINK_CB(event->skb).dst_group = 1;
1507         broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
1508
1509         kfree(event);
1510 }
1511
1512 static irqreturn_t button_handler(int irq, void *dev_id)
1513 {
1514         struct button_t *b;
1515         u32 in, changed;
1516
1517         in = bcm47xx_gpio_in(~0) & platform.button_mask;
1518         bcm47xx_gpio_polarity(platform.button_mask, in);
1519         changed = platform.button_polarity ^ in;
1520         platform.button_polarity = in;
1521
1522         changed &= ~bcm47xx_gpio_outen(0, 0);
1523
1524         for (b = platform.buttons; b->name; b++) {
1525                 struct event_t *event;
1526
1527                 if (!(b->gpio & changed)) continue;
1528
1529                 b->pressed ^= 1;
1530
1531                 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1532                         event->seen = (jiffies - b->seen)/HZ;
1533                         event->name = b->name;
1534                         event->action = b->pressed ? "pressed" : "released";
1535                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1536                         schedule_work(&event->wq);
1537                 }
1538
1539                 b->seen = jiffies;
1540         }
1541         return IRQ_HANDLED;
1542 }
1543
1544 static void register_buttons(struct button_t *b)
1545 {
1546         for (; b->name; b++)
1547                 platform.button_mask |= b->gpio;
1548
1549         platform.button_mask &= ~gpiomask;
1550
1551         bcm47xx_gpio_outen(platform.button_mask, 0);
1552         bcm47xx_gpio_control(platform.button_mask, 0);
1553         platform.button_polarity = bcm47xx_gpio_in(~0) & platform.button_mask;
1554         bcm47xx_gpio_polarity(platform.button_mask, platform.button_polarity);
1555         bcm47xx_gpio_intmask(platform.button_mask, platform.button_mask);
1556
1557         gpio_set_irqenable(1, button_handler);
1558 }
1559
1560 static void unregister_buttons(struct button_t *b)
1561 {
1562         bcm47xx_gpio_intmask(platform.button_mask, 0);
1563
1564         gpio_set_irqenable(0, button_handler);
1565 }
1566
1567
1568 static void add_msg(struct event_t *event, char *msg, int argv)
1569 {
1570         char *s;
1571
1572         if (argv)
1573                 return;
1574
1575         s = skb_put(event->skb, strlen(msg) + 1);
1576         strcpy(s, msg);
1577 }
1578
1579 static int fill_event (struct event_t *event)
1580 {
1581         static char buf[128];
1582
1583         add_msg(event, "HOME=/", 0);
1584         add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1585         add_msg(event, "SUBSYSTEM=button", 0);
1586         snprintf(buf, 128, "ACTION=%s", event->action);
1587         add_msg(event, buf, 0);
1588         snprintf(buf, 128, "BUTTON=%s", event->name);
1589         add_msg(event, buf, 0);
1590         snprintf(buf, 128, "SEEN=%ld", event->seen);
1591         add_msg(event, buf, 0);
1592         snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1593         add_msg(event, buf, 0);
1594
1595         return 0;
1596 }
1597
1598 /*
1599  * This should be extended to allow the platform to specify the pins and width
1600  * of the shift register. They're hardcoded for now because only the WNDR3700v3
1601  * uses it.
1602  */
1603 static void shiftreg_output(unsigned int val)
1604 {
1605         unsigned int mask;
1606
1607         bcm47xx_gpio_out(SHIFTREG_DATA, SHIFTREG_DATA); /* init off, pull high */
1608         bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* init reset */
1609
1610         /* shift 8 times */
1611         for(mask = 1 << (SHIFTREG_MAX_BITS-1); mask; mask >>= 1)
1612         {
1613                 bcm47xx_gpio_out(SHIFTREG_DATA, (val & mask) ? SHIFTREG_DATA : 0);
1614                 bcm47xx_gpio_out(SHIFTREG_CLK, SHIFTREG_CLK); /* pull high to trigger */
1615                 bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* reset to low */
1616         }
1617 }
1618
1619 static void set_led_shift(struct led_t *led)
1620 {
1621         static u32      shiftreg = 0;
1622         u32                     old = shiftreg;
1623         u32                     pin = (led->gpio & ~GPIO_TYPE_MASK);
1624
1625         if (led->state) {
1626                 shiftreg |= pin;
1627         } else {
1628                 shiftreg &= ~pin;
1629         }
1630
1631         /* Clock the bits out. */
1632         if (shiftreg != old) {
1633                 shiftreg_output(shiftreg);
1634         }
1635 }
1636
1637 static void set_led_extif(struct led_t *led)
1638 {
1639         volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (led->gpio & ~GPIO_TYPE_MASK);
1640         if (led->state)
1641                 *addr = 0xFF;
1642         else
1643                 *addr;
1644 }
1645
1646
1647 static void led_flash(unsigned long dummy) {
1648         struct led_t *l;
1649         u32 mask = 0;
1650         u8 extif_blink = 0;
1651
1652         for (l = platform.leds; l->name; l++) {
1653                 if (!l->flash) continue;
1654                 switch (l->gpio & GPIO_TYPE_MASK) {
1655                 case GPIO_TYPE_EXTIF:
1656                         extif_blink = 1;
1657                         l->state = !l->state;
1658                         set_led_extif(l);
1659                         break;
1660                 case GPIO_TYPE_SHIFT:
1661                         extif_blink = 1;
1662                         l->state = !l->state;
1663                         set_led_shift(l);
1664                         break;
1665                 case GPIO_TYPE_NORMAL:
1666                 default:
1667                         mask |= l->gpio;
1668                         break;
1669                 }
1670         }
1671
1672         mask &= ~gpiomask;
1673         if (mask) {
1674                 u32 val = ~bcm47xx_gpio_in(~0);
1675
1676                 bcm47xx_gpio_outen(mask, mask);
1677                 bcm47xx_gpio_control(mask, 0);
1678                 bcm47xx_gpio_out(mask, val);
1679         }
1680         if (mask || extif_blink) {
1681                 mod_timer(&led_timer, jiffies + FLASH_TIME);
1682         }
1683 }
1684
1685 static int diag_led_show(struct seq_file *m, void *v)
1686 {
1687         struct led_t * led = m->private;
1688
1689         u8 p = (led->polarity == NORMAL ? 0 : 1);
1690         if (led->flash) {
1691                 return seq_printf(m, "f\n");
1692         } else if ((led->gpio & GPIO_TYPE_MASK) != GPIO_TYPE_NORMAL) {
1693                 return seq_printf(m, "%d\n", ((led->state ^ p) ? 1 : 0));
1694         } else {
1695                 u32 in = (bcm47xx_gpio_in(~0) & led->gpio ? 1 : 0);
1696                 return seq_printf(m, "%d\n", ((in ^ p) ? 1 : 0));
1697         }
1698 }
1699
1700 static int diag_led_open(struct inode *inode, struct file *file)
1701 {
1702         return single_open(file, diag_led_show, PDE_DATA(inode));
1703 }
1704
1705 static ssize_t diag_led_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1706 {
1707         struct led_t *led = PDE_DATA(file_inode(file));
1708         char cmd[5];
1709         size_t len;
1710         int p;
1711
1712         len = min(count, sizeof(cmd) - 1);
1713         if (copy_from_user(cmd, buf, len))
1714                 return -EFAULT;
1715
1716         cmd[len] = 0;
1717
1718         p = (led->polarity == NORMAL ? 0 : 1);
1719         if (cmd[0] == 'f') {
1720                 led->flash = 1;
1721                 led_flash(0);
1722         } else {
1723                 led->flash = 0;
1724                 if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_EXTIF) {
1725                         led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1726                         set_led_extif(led);
1727                 } else if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_SHIFT) {
1728                         led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1729                         set_led_shift(led);
1730                 } else {
1731                         bcm47xx_gpio_outen(led->gpio, led->gpio);
1732                         bcm47xx_gpio_control(led->gpio, 0);
1733                         bcm47xx_gpio_out(led->gpio, ((p ^ (cmd[0] == '1')) ? led->gpio : 0));
1734                 }
1735         }
1736         return count;
1737 }
1738
1739 static const struct file_operations diag_led_fops = {
1740         .open = diag_led_open,
1741         .read = seq_read,
1742         .llseek = seq_lseek,
1743         .write = diag_led_write
1744 };
1745
1746 static void register_leds(struct led_t *l)
1747 {
1748         struct proc_dir_entry *p;
1749         u32 mask = 0;
1750         u32 oe_mask = 0;
1751         u32 val = 0;
1752
1753         leds = proc_mkdir("led", diag);
1754         if (!leds)
1755                 return;
1756
1757         for(; l->name; l++) {
1758                 if (l->gpio & gpiomask)
1759                         continue;
1760
1761                 switch (l->gpio & GPIO_TYPE_MASK) {
1762                 case GPIO_TYPE_EXTIF:
1763                         l->state = 0;
1764                         set_led_extif(l);
1765                         break;
1766                 case GPIO_TYPE_SHIFT:
1767                         mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1768                         oe_mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1769                         l->state = (l->polarity != NORMAL);
1770                         set_led_shift(l);
1771                         break;
1772                 case GPIO_TYPE_NORMAL:
1773                 default:
1774                         if (l->polarity != INPUT) oe_mask |= l->gpio;
1775                         mask |= l->gpio;
1776                         val |= (l->polarity == NORMAL)?0:l->gpio;
1777                         break;
1778                 }
1779
1780                 if (l->polarity == INPUT) continue;
1781
1782                 p = proc_create_data(l->name, S_IRUSR, leds, &diag_led_fops, l);
1783         }
1784
1785         bcm47xx_gpio_outen(mask, oe_mask);
1786         bcm47xx_gpio_control(mask, 0);
1787         bcm47xx_gpio_out(mask, val);
1788         bcm47xx_gpio_intmask(mask, 0);
1789 }
1790
1791 static void unregister_leds(struct led_t *l)
1792 {
1793         for(; l->name; l++)
1794                 remove_proc_entry(l->name, leds);
1795
1796         remove_proc_entry("led", diag);
1797 }
1798
1799 static int diag_model_show(struct seq_file *m, void *v)
1800 {
1801         return seq_printf(m, "%s\n", platform.name);
1802 }
1803
1804 static int diag_model_open(struct inode *inode, struct file *file)
1805 {
1806         return single_open(file, diag_model_show, PDE_DATA(inode));
1807 }
1808
1809 static const struct file_operations diag_model_fops = {
1810         .open = diag_model_open,
1811         .read = seq_read,
1812         .llseek = seq_lseek
1813 };
1814
1815 static int diag_gpiomask_show(struct seq_file *m, void *v)
1816 {
1817         return seq_printf(m, "0x%04x\n", gpiomask);
1818 }
1819
1820 static int diag_gpiomask_open(struct inode *inode, struct file *file)
1821 {
1822         return single_open(file, diag_gpiomask_show, PDE_DATA(inode));
1823 }
1824
1825 static ssize_t diag_gpiomask_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1826 {
1827         int err = kstrtouint_from_user(buf, count, 0, &gpiomask);
1828         if (err)
1829                 return err;
1830
1831         if (platform.buttons) {
1832                 unregister_buttons(platform.buttons);
1833                 register_buttons(platform.buttons);
1834         }
1835
1836         if (platform.leds) {
1837                 unregister_leds(platform.leds);
1838                 register_leds(platform.leds);
1839         }
1840
1841         return count;
1842 }
1843
1844 static const struct file_operations diag_gpiomask_fops = {
1845         .open = diag_gpiomask_open,
1846         .read = seq_read,
1847         .llseek = seq_lseek,
1848         .write = diag_gpiomask_write
1849 };
1850
1851 static int __init diag_init(void)
1852 {
1853         static struct proc_dir_entry *p;
1854         static struct platform_t *detected;
1855
1856         detected = platform_detect();
1857         if (!detected) {
1858                 printk(MODULE_NAME ": Router model not detected.\n");
1859                 return -ENODEV;
1860         }
1861         memcpy(&platform, detected, sizeof(struct platform_t));
1862
1863         printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1864         if (platform.platform_init != NULL) {
1865                 platform.platform_init();
1866         }
1867
1868         if (!(diag = proc_mkdir("diag", NULL))) {
1869                 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1870                 return -EINVAL;
1871         }
1872
1873         p = proc_create("model", S_IRUSR, diag, &diag_model_fops);
1874         if (!p) {
1875                 remove_proc_entry("diag", NULL);
1876                 return -EINVAL;
1877         }
1878
1879         p = proc_create("gpiomask", S_IRUSR | S_IWUSR, diag, &diag_gpiomask_fops);
1880         if (!p) {
1881                 remove_proc_entry("model", diag);
1882                 remove_proc_entry("diag", NULL);
1883                 return -EINVAL;
1884         }
1885
1886         if (platform.buttons)
1887                 register_buttons(platform.buttons);
1888
1889         if (platform.leds)
1890                 register_leds(platform.leds);
1891
1892         return 0;
1893 }
1894
1895 static void __exit diag_exit(void)
1896 {
1897         del_timer(&led_timer);
1898
1899         if (platform.buttons)
1900                 unregister_buttons(platform.buttons);
1901
1902         if (platform.leds)
1903                 unregister_leds(platform.leds);
1904
1905         remove_proc_entry("model", diag);
1906         remove_proc_entry("gpiomask", diag);
1907         remove_proc_entry("diag", NULL);
1908 }
1909
1910 module_init(diag_init);
1911 module_exit(diag_exit);
1912
1913 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1914 MODULE_LICENSE("GPL");