package/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
  31 #ifndef LINUX_2_4
  32 #include <linux/workqueue.h>
  33 #include <linux/skbuff.h>
  34 #include <linux/netlink.h>
  35 #include <net/sock.h>
  36 extern struct sock *uevent_sock;
  37 extern u64 uevent_next_seqnum(void);
  38 #else
  39 #include <linux/tqueue.h>
  40 #define INIT_WORK INIT_TQUEUE
  41 #define schedule_work schedule_task
  42 #define work_struct tq_struct
  43 #endif
  44
  45 #include "gpio.h"
  46 #include "diag.h"
  47 #define getvar(str) (nvram_get(str)?:"")
  48
  49 static inline int startswith (char *source, char *cmp) { return !strncmp(source,cmp,strlen(cmp)); }
  50 static int fill_event(struct event_t *);
  51 static unsigned int gpiomask = 0;
  52 module_param(gpiomask, int, 0644);
  53
  54 enum {
  55         /* Linksys */
  56         WAP54GV1,
  57         WAP54GV2,
  58         WAP54GV3,
  59         WRT54GV1,
  60         WRT54G,
  61         WRTSL54GS,
  62         WRT54G3G,
  63         WRT54G3GV2_VF,
  64         WRT160N,
  65         WRT300NV11,
  66         WRT350N,
  67         WRT600N,
  68         WRT600NV11,
  69         WRT610N,
  70
  71         /* ASUS */
  72         WLHDD,
  73         WL300G,
  74         WL320GE,
  75         WL330GE,
  76         WL500G,
  77         WL500GD,
  78         WL500GP,
  79         WL500GPV2,
  80         WL500W,
  81         WL520GC,
  82         WL520GU,
  83         ASUS_4702,
  84         WL700GE,
  85
  86         /* Buffalo */
  87         WBR2_G54,
  88         WHR_G54S,
  89         WHR_HP_G54,
  90         WHR_G125,
  91         WHR2_A54G54,
  92         WLA2_G54L,
  93         WZR_G300N,
  94         WZR_RS_G54,
  95         WZR_RS_G54HP,
  96         BUFFALO_UNKNOWN,
  97         BUFFALO_UNKNOWN_4710,
  98
  99         /* Siemens */
 100         SE505V1,
 101         SE505V2,
 102
 103         /* US Robotics */
 104         USR5461,
 105
 106         /* Dell */
 107         TM2300,
 108         TM2300V2,
 109
 110         /* Motorola */
 111         WE800G,
 112         WR850GV1,
 113         WR850GV2V3,
 114         WR850GP,
 115
 116         /* Belkin */
 117         BELKIN_UNKNOWN,
 118
 119         /* Netgear */
 120         WGT634U,
 121
 122         /* Trendware */
 123         TEW411BRPP,
 124
 125         /* SimpleTech */
 126         STI_NAS,
 127
 128         /* D-Link */
 129         DIR130,
 130         DIR320,
 131         DIR330,
 132         DWL3150,
 133
 134         /* Sitecom */
 135         WL105B,
 136
 137         /* Western Digital */
 138         WDNetCenter,
 139
 140         /* Askey */
 141         RT210W,
 142
 143         /* OvisLink */
 144         WL1600GL,
 145
 146         /* Microsoft */
 147         MN700,
 148 };
 149
 150 static void __init bcm4780_init(void) {
 151                 int pin = 1 << 3;
 152
 153                 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
 154                 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
 155                 gpio_outen(pin, pin);
 156                 gpio_control(pin, 0);
 157                 gpio_out(pin, pin);
 158
 159                 /* Wait 5s, so the HDD can spin up */
 160                 set_current_state(TASK_INTERRUPTIBLE);
 161                 schedule_timeout(HZ * 5);
 162 }
 163
 164 static void __init NetCenter_init(void) {
 165                 /* unset pin 6 (+12V) */
 166                 int pin = 1 << 6;
 167                 gpio_outen(pin, pin);
 168                 gpio_control(pin, 0);
 169                 gpio_out(pin, pin);
 170                 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
 171                 pin = 1 << 1;
 172                 gpio_outen(pin, pin);
 173                 gpio_control(pin, 0);
 174                 gpio_out(pin, pin);
 175                 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
 176                 bcm4780_init();
 177 }
 178
 179 static void __init bcm57xx_init(void) {
 180         int pin = 1 << 2;
 181
 182 #ifndef LINUX_2_4
 183         /* FIXME: switch comes up, but port mappings/vlans not right */
 184         gpio_outen(pin, pin);
 185         gpio_control(pin, 0);
 186         gpio_out(pin, pin);
 187 #endif
 188 }
 189
 190 static struct platform_t __initdata platforms[] = {
 191         /* Linksys */
 192         [WAP54GV1] = {
 193                 .name           = "Linksys WAP54G V1",
 194                 .buttons        = {
 195                         { .name = "reset",      .gpio = 1 << 0 },
 196                 },
 197                 .leds           = {
 198                         { .name = "diag",       .gpio = 1 << 3 },
 199                         { .name = "wlan",       .gpio = 1 << 4 },
 200                 },
 201         },
 202         [WAP54GV2] = {
 203                 .name           = "Linksys WAP54G V2",
 204                 .buttons        = {
 205                         { .name = "reset",      .gpio = 1 << 0 },
 206                 },
 207                 .leds           = {
 208                         { .name = "wlan",       .gpio = 1 << 5, .polarity = REVERSE },
 209                         /* GPIO 6 is b44 (eth0, LAN) PHY power */
 210                 },
 211         },
 212         [WAP54GV3] = {
 213                 .name           = "Linksys WAP54G V3",
 214                 .buttons        = {
 215                         /* FIXME: verify this */
 216                         { .name = "reset",      .gpio = 1 << 7 },
 217                         { .name = "ses",        .gpio = 1 << 0 },
 218                 },
 219                 .leds           = {
 220                         /* FIXME: diag? */
 221                         { .name = "ses",        .gpio = 1 << 1 },
 222                 },
 223         },
 224         [WRT54GV1] = {
 225                 .name           = "Linksys WRT54G V1.x",
 226                 .buttons        = {
 227                         { .name = "reset",      .gpio = 1 << 6 },
 228                 },
 229                 .leds           = {
 230                         { .name = "diag",       .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 231                         { .name = "dmz",        .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 232                 },
 233         },
 234         [WRT54G] = {
 235                 .name           = "Linksys WRT54G/GS/GL",
 236                 .buttons        = {
 237                         { .name = "reset",      .gpio = 1 << 6 },
 238                         { .name = "ses",        .gpio = 1 << 4 },
 239                 },
 240                 .leds           = {
 241                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 242                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 243                         { .name = "ses_white",  .gpio = 1 << 2, .polarity = REVERSE },
 244                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 245                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 246                 },
 247         },
 248         [WRTSL54GS] = {
 249                 .name           = "Linksys WRTSL54GS",
 250                 .buttons        = {
 251                         { .name = "reset",      .gpio = 1 << 6 },
 252                         { .name = "ses",        .gpio = 1 << 4 },
 253                 },
 254                 .leds           = {
 255                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 256                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },
 257                         { .name = "ses_white",  .gpio = 1 << 5, .polarity = REVERSE },
 258                         { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
 259                 },
 260         },
 261         [WRT54G3G] = {
 262                 .name           = "Linksys WRT54G3G",
 263                 .buttons        = {
 264                         { .name = "reset",      .gpio = 1 << 6 },
 265                         { .name = "3g",         .gpio = 1 << 4 },
 266                 },
 267                 .leds           = {
 268                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 269                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 270                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 271                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 272                         { .name = "3g_blink",   .gpio = 1 << 5, .polarity = NORMAL },
 273                 },
 274         },
 275         [WRT54G3GV2_VF] = {
 276                 .name           = "Linksys WRT54G3GV2-VF",
 277                 .buttons        = {
 278                         { .name = "reset",      .gpio = 1 << 6 },
 279                         { .name = "3g",         .gpio = 1 << 4 },
 280                 },
 281                 .leds           = {
 282                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 283                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 284                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 285                 },
 286         },
 287         [WRT160N] = {
 288                 .name           = "Linksys WRT160N",
 289                 .buttons        = {
 290                         { .name = "reset",      .gpio = 1 << 6 },
 291                         { .name = "ses",        .gpio = 1 << 4 },
 292                 },
 293                 .leds           = {
 294                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 295                         { .name = "ses_blue",   .gpio = 1 << 5, .polarity = REVERSE },
 296                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 297                 },
 298         },
 299         [WRT300NV11] = {
 300                 .name           = "Linksys WRT300N V1.1",
 301                 .buttons        = {
 302                         { .name = "reset",     .gpio = 1 << 6 }, // "Reset" on back panel
 303                         { .name = "ses",       .gpio = 1 << 4 }, // "Reserved" on top panel
 304                 },
 305                 .leds           = {
 306                         { .name = "power",     .gpio = 1 << 1, .polarity = NORMAL  }, // "Power"
 307                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
 308                         { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
 309                 },
 310                 .platform_init = bcm57xx_init,
 311         },
 312         [WRT350N] = {
 313                 .name           = "Linksys WRT350N",
 314                 .buttons        = {
 315                         { .name = "reset",      .gpio = 1 << 6 },
 316                         { .name = "ses",        .gpio = 1 << 8 },
 317                 },
 318                 .leds           = {
 319                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 320                         { .name = "ses_amber",  .gpio = 1 << 3, .polarity = REVERSE },
 321                         { .name = "ses_green",  .gpio = 1 << 9, .polarity = REVERSE },
 322                         { .name = "usb_blink",  .gpio = 1 << 10, .polarity = REVERSE },
 323                         { .name = "usb",        .gpio = 1 << 11, .polarity = REVERSE },
 324                 },
 325                 .platform_init = bcm57xx_init,
 326         },
 327         [WRT600N] = {
 328                 .name           = "Linksys WRT600N",
 329                 .buttons        = {
 330                         { .name = "reset",      .gpio = 1 << 6 },
 331                         { .name = "ses",        .gpio = 1 << 7 },
 332                 },
 333                 .leds           = {
 334                         { .name = "power",              .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 335                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 336                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 337                         { .name = "wl0_ses_green",      .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 338                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 339                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 340                 },
 341                 .platform_init = bcm57xx_init,
 342         },
 343         [WRT600NV11] = {
 344                 .name           = "Linksys WRT600N V1.1",
 345                 .buttons        = {
 346                         { .name = "reset",      .gpio = 1 << 6 },
 347                         { .name = "ses",        .gpio = 1 << 7 },
 348                 },
 349                 .leds           = {
 350                         { .name = "power",             .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 351                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 352                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 353                         { .name = "wl0_ses_green",     .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 354                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 355                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 356                 },
 357                 .platform_init = bcm57xx_init,
 358         },
 359         [WRT610N] = {
 360                 .name           = "Linksys WRT610N",
 361                 .buttons        = {
 362                         { .name = "reset",      .gpio = 1 << 6 },
 363                         { .name = "ses",        .gpio = 1 << 8 },
 364                 },
 365                 .leds           = {
 366                         { .name = "power",      .gpio = 1 << 1,  .polarity = NORMAL }, // Power LED
 367                         { .name = "usb",        .gpio = 1 << 0,  .polarity = REVERSE }, // USB LED
 368                         { .name = "ses_amber",  .gpio = 1 << 3,  .polarity = REVERSE }, // WiFi protected setup LED amber
 369                         { .name = "ses_blue",   .gpio = 1 << 9,  .polarity = REVERSE }, // WiFi protected setup LED blue
 370                 },
 371         },
 372         /* Asus */
 373         [WLHDD] = {
 374                 .name           = "ASUS WL-HDD",
 375                 .buttons        = {
 376                         { .name = "reset",      .gpio = 1 << 6 },
 377                 },
 378                 .leds           = {
 379                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 380                         { .name = "usb",        .gpio = 1 << 2, .polarity = NORMAL },
 381                 },
 382         },
 383         [WL300G] = {
 384                 .name           = "ASUS WL-300g",
 385                 .buttons        = {
 386                         { .name = "reset",      .gpio = 1 << 6 },
 387                 },
 388                 .leds           = {
 389                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 390                 },
 391         },
 392         [WL320GE] = {
 393                 .name           = "ASUS WL-320gE/WL-320gP",
 394                 .buttons        = {
 395                         { .name = "reset",      .gpio = 1 << 6 },
 396                 },
 397                 .leds           = {
 398                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 399                         { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
 400                         { .name = "link",       .gpio = 1 << 11, .polarity = REVERSE },
 401                 },
 402         },
 403         [WL330GE] = {
 404                 .name           = "ASUS WL-330gE",
 405                 .buttons        = {
 406                         { .name = "reset",      .gpio = 1 << 2 },
 407                 },
 408                 .leds           = {
 409                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 410                 },
 411         },
 412         [WL500G] = {
 413                 .name           = "ASUS WL-500g",
 414                 .buttons        = {
 415                         { .name = "reset",      .gpio = 1 << 6 },
 416                 },
 417                 .leds           = {
 418                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 419                 },
 420         },
 421         [WL500GD] = {
 422                 .name           = "ASUS WL-500g Deluxe",
 423                 .buttons        = {
 424                         { .name = "reset",      .gpio = 1 << 6 },
 425                 },
 426                 .leds           = {
 427                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 428                 },
 429         },
 430         [WL500GP] = {
 431                 .name           = "ASUS WL-500g Premium",
 432                 .buttons        = {
 433                         { .name = "reset",      .gpio = 1 << 0 },
 434                         { .name = "ses",        .gpio = 1 << 4 },
 435                 },
 436                 .leds           = {
 437                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 438                 },
 439         },
 440         [WL500GPV2] = {
 441                 .name           = "ASUS WL-500g Premium V2",
 442                 .buttons        = {
 443                         { .name = "reset",      .gpio = 1 << 2 },
 444                         { .name = "ses",        .gpio = 1 << 3 },
 445                 },
 446                 .leds           = {
 447                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 448                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 449                 },
 450         },
 451         [WL500W] = {
 452                 .name           = "ASUS WL-500W",
 453                 .buttons        = {
 454                         { .name = "reset",      .gpio = 1 << 6 },
 455                         { .name = "ses",        .gpio = 1 << 7 },
 456                 },
 457                 .leds           = {
 458                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 459                 },
 460         },
 461         [WL520GC] = {
 462                 .name           = "ASUS WL-520GC",
 463                 .buttons        = {
 464                         { .name = "reset",      .gpio = 1 << 2 },
 465                         { .name = "ses",        .gpio = 1 << 3 },
 466                 },
 467                 .leds           = {
 468                 { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 469                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 470                 },
 471         },
 472         [WL520GU] = {
 473                 .name           = "ASUS WL-520gU",
 474                 .buttons        = {
 475                         { .name = "reset",      .gpio = 1 << 2 },
 476                         { .name = "ses",        .gpio = 1 << 3 },
 477                 },
 478                 .leds           = {
 479                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 480                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 481                 },
 482         },
 483         [ASUS_4702] = {
 484                 .name           = "ASUS (unknown, BCM4702)",
 485                 .buttons        = {
 486                         { .name = "reset",      .gpio = 1 << 6 },
 487                 },
 488                 .leds           = {
 489                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 490                 },
 491         },
 492         [WL700GE] = {
 493                 .name           = "ASUS WL-700gE",
 494                 .buttons        = {
 495                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 496                         { .name = "ses",        .gpio = 1 << 4 }, // on back, actual name ezsetup
 497                         { .name = "power",      .gpio = 1 << 0 }, // on front
 498                         { .name = "copy",       .gpio = 1 << 6 }, // on front
 499                 },
 500                 .leds           = {
 501 #if 0
 502                         // GPIO that controls power led also enables/disables some essential functions
 503                         // - power to HDD
 504                         // - switch leds
 505                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },  // actual name power
 506 #endif
 507                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 508                 },
 509                 .platform_init = bcm4780_init,
 510         },
 511         /* Buffalo */
 512         [WHR_G54S] = {
 513                 .name           = "Buffalo WHR-G54S",
 514                 .buttons        = {
 515                         { .name = "reset",      .gpio = 1 << 4 },
 516                         { .name = "bridge",     .gpio = 1 << 5 },
 517                         { .name = "ses",        .gpio = 1 << 0 },
 518                 },
 519                 .leds           = {
 520                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 521                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 522                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 523                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 524                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 525                 },
 526         },
 527         [WBR2_G54] = {
 528                 .name           = "Buffalo WBR2-G54",
 529                 /* FIXME: verify */
 530                 .buttons        = {
 531                         { .name = "reset",      .gpio = 1 << 7 },
 532                 },
 533                 .leds           = {
 534                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 535                 },
 536         },
 537         [WHR_HP_G54] = {
 538                 .name           = "Buffalo WHR-HP-G54",
 539                 .buttons        = {
 540                         { .name = "reset",      .gpio = 1 << 4 },
 541                         { .name = "bridge",     .gpio = 1 << 5 },
 542                         { .name = "ses",        .gpio = 1 << 0 },
 543                 },
 544                 .leds           = {
 545                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 546                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 547                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 548                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 549                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 550                 },
 551         },
 552         [WHR_G125] = {
 553                 .name           = "Buffalo WHR-G125",
 554                 .buttons        = {
 555                         { .name = "reset",      .gpio = 1 << 4 },
 556                         { .name = "bridge",     .gpio = 1 << 5 },
 557                         { .name = "ses",        .gpio = 1 << 0 },
 558                 },
 559                 .leds           = {
 560                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 561                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 562                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 563                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 564                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 565                 },
 566         },
 567         [WHR2_A54G54] = {
 568                 .name           = "Buffalo WHR2-A54G54",
 569                 .buttons        = {
 570                         { .name = "reset",      .gpio = 1 << 4 },
 571                 },
 572                 .leds           = {
 573                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 574                 },
 575         },
 576         [WLA2_G54L] = {
 577                 .name           = "Buffalo WLA2-G54L",
 578                 /* FIXME: verify */
 579                 .buttons        = {
 580                         { .name = "reset",      .gpio = 1 << 7 },
 581                 },
 582                 .leds           = {
 583                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 584                 },
 585         },
 586         [WZR_G300N] = {
 587                 .name           = "Buffalo WZR-G300N",
 588                 .buttons        = {
 589                         { .name = "reset",      .gpio = 1 << 4 },
 590                 },
 591                 .leds           = {
 592                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 593                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 594                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 595                 },
 596         },
 597         [WZR_RS_G54] = {
 598                 .name           = "Buffalo WZR-RS-G54",
 599                 .buttons        = {
 600                         { .name = "ses",        .gpio = 1 << 0 },
 601                         { .name = "reset",      .gpio = 1 << 4 },
 602                 },
 603                 .leds           = {
 604                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 605                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 606                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 607                 },
 608         },
 609         [WZR_RS_G54HP] = {
 610                 .name           = "Buffalo WZR-RS-G54HP",
 611                 .buttons        = {
 612                         { .name = "ses",        .gpio = 1 << 0 },
 613                         { .name = "reset",      .gpio = 1 << 4 },
 614                 },
 615                 .leds           = {
 616                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 617                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 618                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 619                 },
 620         },
 621         [BUFFALO_UNKNOWN] = {
 622                 .name           = "Buffalo (unknown)",
 623                 .buttons        = {
 624                         { .name = "reset",      .gpio = 1 << 7 },
 625                 },
 626                 .leds           = {
 627                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 628                 },
 629         },
 630         [BUFFALO_UNKNOWN_4710] = {
 631                 .name           = "Buffalo (unknown, BCM4710)",
 632                 .buttons        = {
 633                         { .name = "reset",      .gpio = 1 << 4 },
 634                 },
 635                 .leds           = {
 636                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 637                 },
 638         },
 639         /* Siemens */
 640         [SE505V1] = {
 641                 .name           = "Siemens SE505 V1",
 642                 .buttons        = {
 643                         /* No usable buttons */
 644                 },
 645                 .leds           = {
 646 //                      { .name = "power",      .gpio = 1 << 0  .polarity = REVERSE },  // Usable when retrofitting D26 (?)
 647                         { .name = "dmz",        .gpio = 1 << 4, .polarity = REVERSE },  // actual name WWW
 648                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 649                 },
 650         },
 651         [SE505V2] = {
 652                 .name           = "Siemens SE505 V2",
 653                 .buttons        = {
 654                         /* No usable buttons */
 655                 },
 656                 .leds           = {
 657                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 658                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },  // actual name WWW
 659                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 660                 },
 661         },
 662         /* US Robotics */
 663         [USR5461] = {
 664                 .name           = "U.S. Robotics USR5461",
 665                 .buttons        = {
 666                         /* No usable buttons */
 667                 },
 668                 .leds           = {
 669                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 670                         { .name = "printer",    .gpio = 1 << 1, .polarity = REVERSE },
 671                 },
 672         },
 673         /* Dell */
 674         [TM2300] = {
 675                 .name           = "Dell TrueMobile 2300",
 676                 .buttons        = {
 677                         { .name = "reset",      .gpio = 1 << 0 },
 678                 },
 679                 .leds           = {
 680                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 681                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 682                 },
 683         },
 684         [TM2300V2] = {
 685                 .name           = "Dell TrueMobile 2300 v2",
 686                 .buttons        = {
 687                         { .name = "reset",      .gpio = 1 << 0 },
 688                 },
 689                 .leds           = {
 690                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 691                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 692                 },
 693         },
 694         /* Motorola */
 695         [WE800G] = {
 696                 .name           = "Motorola WE800G",
 697                 .buttons        = {
 698                         { .name = "reset",      .gpio = 1 << 0 },
 699                 },
 700                 .leds           = {
 701                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 702                         { .name = "diag",       .gpio = 1 << 2, .polarity = REVERSE },
 703                         { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
 704                 },
 705         },
 706         [WR850GV1] = {
 707                 .name           = "Motorola WR850G V1",
 708                 .buttons        = {
 709                         { .name = "reset",      .gpio = 1 << 0 },
 710                 },
 711                 .leds           = {
 712                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 713                         { .name = "diag",       .gpio = 1 << 3, .polarity = REVERSE },
 714                         { .name = "dmz",        .gpio = 1 << 6, .polarity = NORMAL },
 715                         { .name = "wlan_red",   .gpio = 1 << 5, .polarity = REVERSE },
 716                         { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
 717                 },
 718         },
 719         [WR850GV2V3] = {
 720                 .name           = "Motorola WR850G V2/V3",
 721                 .buttons        = {
 722                         { .name = "reset",      .gpio = 1 << 5 },
 723                 },
 724                 .leds           = {
 725                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 726                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 727                         { .name = "wan",        .gpio = 1 << 6, .polarity = INPUT },
 728                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 729                 },
 730         },
 731         [WR850GP] = {
 732                 .name           = "Motorola WR850GP",
 733                 .buttons        = {
 734                         { .name = "reset",      .gpio = 1 << 5 },
 735                 },
 736                 .leds           = {
 737                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 738                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 739                         { .name = "dmz",        .gpio = 1 << 6, .polarity = REVERSE },
 740                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 741                 },
 742         },
 743
 744         /* Belkin */
 745         [BELKIN_UNKNOWN] = {
 746                 .name           = "Belkin (unknown)",
 747                 /* FIXME: verify & add detection */
 748                 .buttons        = {
 749                         { .name = "reset",      .gpio = 1 << 7 },
 750                 },
 751                 .leds           = {
 752                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },
 753                         { .name = "wlan",       .gpio = 1 << 3, .polarity = NORMAL },
 754                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
 755                 },
 756         },
 757         /* Netgear */
 758         [WGT634U] = {
 759                 .name           = "Netgear WGT634U",
 760                 .buttons        = {
 761                         { .name = "reset",      .gpio = 1 << 2 },
 762                 },
 763                 .leds           = {
 764                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
 765                 },
 766         },
 767         /* Trendware */
 768         [TEW411BRPP] = {
 769                 .name           = "Trendware TEW411BRP+",
 770                 .buttons        = {
 771                         { /* No usable buttons */ },
 772                 },
 773                 .leds           = {
 774                         { .name = "power",      .gpio = 1 << 7, .polarity = NORMAL },
 775                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },
 776                         { .name = "bridge",     .gpio = 1 << 6, .polarity = NORMAL },
 777                 },
 778         },
 779         /* SimpleTech */
 780         [STI_NAS] = {
 781                 .name      = "SimpleTech SimpleShare NAS",
 782                 .buttons        = {
 783                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 784                         { .name = "power",      .gpio = 1 << 0 }, // on back
 785                 },
 786                 .leds      = {
 787                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 788                 },
 789                 .platform_init = bcm4780_init,
 790         },
 791         /* D-Link */
 792         [DIR130] = {
 793                 .name     = "D-Link DIR-130",
 794                 .buttons        = {
 795                         { .name = "reset",      .gpio = 1 << 3},
 796                         { .name = "reserved",   .gpio = 1 << 7},
 797                 },
 798                 .leds      = {
 799                         { .name = "diag",       .gpio = 1 << 0},
 800                         { .name = "blue",       .gpio = 1 << 6},
 801                 },
 802         },
 803         [DIR320] = {
 804                 .name     = "D-Link DIR-320",
 805                 .buttons        = {
 806                         { .name = "reserved",   .gpio = 1 << 6},
 807                         { .name = "reset",      .gpio = 1 << 7},
 808                 },
 809                 .leds      = {
 810                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
 811                         { .name = "diag",       .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
 812                         { .name = "red",        .gpio = 1 << 3, .polarity = REVERSE },
 813                         { .name = "blue",       .gpio = 1 << 4, .polarity = REVERSE },
 814                         { .name = "usb",        .gpio = 1 << 5, .polarity = NORMAL },
 815                 },
 816         },
 817         [DIR330] = {
 818                 .name     = "D-Link DIR-330",
 819                 .buttons        = {
 820                         { .name = "reset",      .gpio = 1 << 3},
 821                         { .name = "reserved",   .gpio = 1 << 7},
 822                 },
 823                 .leds      = {
 824                         { .name = "diag",       .gpio = 1 << 0},
 825                         { .name = "usb",        .gpio = 1 << 4},
 826                         { .name = "blue",       .gpio = 1 << 6},
 827                 },
 828         },
 829         [DWL3150] = {
 830                 .name   = "D-Link DWL-3150",
 831                 .buttons        = {
 832                         { .name = "reset",      .gpio = 1 << 7},
 833                 },
 834                 .leds     = {
 835                         { .name = "diag",       .gpio = 1 << 2},
 836                         { .name = "status",     .gpio = 1 << 1},
 837                 },
 838         },
 839         /* Double check */
 840         [WL105B] = {
 841                 .name   = "Sitecom WL-105b",
 842                 .buttons        = {
 843                         { .name = "reset",      .gpio = 1 << 10},
 844                 },
 845                 .leds     = {
 846                         { .name = "wlan",       .gpio = 1 << 4},
 847                         { .name = "power",      .gpio = 1 << 3},
 848                 },
 849         },
 850         /* Western Digital Net Center */
 851         [WDNetCenter] = {
 852                 .name   = "Western Digital NetCenter",
 853                 .buttons        = {
 854                         { .name = "power",      .gpio = 1 << 0},
 855                         { .name = "reset",      .gpio = 1 << 7},
 856                 },
 857                 .platform_init = NetCenter_init,
 858         },
 859         /* Askey (and clones) */
 860         [RT210W] = {
 861                 .name           = "Askey RT210W",
 862                 .buttons        = {
 863                         /* Power button is hard-wired to hardware reset */
 864                         /* but is also connected to GPIO 7 (probably for bootloader recovery)  */
 865                         { .name = "power",      .gpio = 1 << 7},
 866                 },
 867                 .leds           = {
 868                         /* These were verified and named based on Belkin F5D4230-4 v1112 */
 869                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
 870                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 871                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 872                 },
 873         },
 874         [WL1600GL] = {
 875                 .name           = "OvisLink WL-1600GL",
 876                 .buttons        = {
 877                         { .name = "reset",      .gpio = 1 << 3 },
 878                         { .name = "ses",        .gpio = 1 << 4 },
 879                 },
 880                 .leds           = {
 881                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 882                         { .name = "wps",        .gpio = 1 << 2, .polarity = REVERSE },
 883                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 884                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
 885                 },
 886         },
 887         /* Microsoft */
 888         [MN700] = {
 889                 .name   = "Microsoft MN-700",
 890                 .buttons        = {
 891                         { .name = "reset",      .gpio = 1 << 7 },
 892                 },
 893                 .leds     = {
 894                         { .name = "power",      .gpio = 1 << 6, .polarity = NORMAL },
 895                 },
 896         },
 897 };
 898
 899 static struct platform_t __init *platform_detect(void)
 900 {
 901         char *boardnum, *boardtype, *buf;
 902
 903         if (strcmp(getvar("nvram_type"), "cfe") == 0)
 904                 return &platforms[WGT634U];
 905
 906         /* Look for a model identifier */
 907
 908         /* Based on "model_name" */
 909         if ((buf = nvram_get("model_name"))) {
 910                 if (!strcmp(buf, "DIR-130"))
 911                         return &platforms[DIR130];
 912                 if (!strcmp(buf, "DIR-330"))
 913                         return &platforms[DIR330];
 914         }
 915
 916         /* Based on "wsc_modelname */
 917         if ((buf = nvram_get("wsc_modelname"))) {
 918                 if (!strcmp(buf, "WRT610N"))
 919                         return &platforms[WRT610N];
 920         }
 921
 922         /* Based on "model_no" */
 923         if ((buf = nvram_get("model_no"))) {
 924                 if (startswith(buf,"WL700")) /* WL700* */
 925                         return &platforms[WL700GE];
 926         }
 927
 928         /* Based on "hardware_version" */
 929         if ((buf = nvram_get("hardware_version"))) {
 930                 if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
 931                         return &platforms[WL500GPV2];
 932                 if (startswith(buf,"WL520GC-")) /* WL520GU-* */
 933                         return &platforms[WL520GC];
 934                 if (startswith(buf,"WL520GU-")) /* WL520GU-* */
 935                         return &platforms[WL520GU];
 936                 if (startswith(buf,"WL330GE-")) /* WL330GE-* */
 937                         return &platforms[WL330GE];
 938         }
 939
 940         /* Based on "ModelId" */
 941         if ((buf = nvram_get("ModelId"))) {
 942                 if (!strcmp(buf, "WR850GP"))
 943                         return &platforms[WR850GP];
 944                 if (!strcmp(buf, "WR850G"))
 945                         return &platforms[WR850GV2V3];
 946                 if (!strcmp(buf, "WX-5565") && !strcmp(getvar("boardtype"),"bcm94710ap"))
 947                         return &platforms[TM2300]; /* Dell TrueMobile 2300 */
 948                 if (startswith(buf,"WE800G")) /* WE800G* */
 949                         return &platforms[WE800G];
 950         }
 951
 952         /* Buffalo */
 953         if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
 954                 /* Buffalo hardware, check id for specific hardware matches */
 955                 if (!strcmp(buf, "29bb0332"))
 956                         return &platforms[WBR2_G54];
 957                 if (!strcmp(buf, "29129"))
 958                         return &platforms[WLA2_G54L];
 959                 if (!strcmp(buf, "30189"))
 960                         return &platforms[WHR_HP_G54];
 961                 if (!strcmp(buf, "32093"))
 962                         return &platforms[WHR_G125];
 963                 if (!strcmp(buf, "30182"))
 964                         return &platforms[WHR_G54S];
 965                 if (!strcmp(buf, "290441dd"))
 966                         return &platforms[WHR2_A54G54];
 967                 if (!strcmp(buf, "31120"))
 968                         return &platforms[WZR_G300N];
 969                 if (!strcmp(buf, "30083"))
 970                         return &platforms[WZR_RS_G54];
 971                 if (!strcmp(buf, "30103"))
 972                         return &platforms[WZR_RS_G54HP];
 973         }
 974
 975         /* no easy model number, attempt to guess */
 976         boardnum = getvar("boardnum");
 977         boardtype = getvar("boardtype");
 978
 979         if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N  v1/V1.1 */
 980                 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
 981                         return &platforms[WRT600NV11];
 982
 983         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
 984                         return &platforms[WRT600N];
 985         }
 986
 987         if (startswith(getvar("pmon_ver"), "CFE")) {
 988                 /* CFE based - newer hardware */
 989                 if (!strcmp(boardnum, "42")) { /* Linksys */
 990                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("boot_hw_model"), "WRT300N") && !strcmp(getvar("boot_hw_ver"), "1.1"))
 991                                 return &platforms[WRT300NV11];
 992
 993                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
 994                                 return &platforms[WRT350N];
 995
 996                         if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
 997                                 return &platforms[WRT54G3G];
 998
 999                         if (!strcmp(boardtype, "0x042f") && !strcmp(getvar("model_name"), "WRT54G3GV2-VF"))
1000                                 return &platforms[WRT54G3GV2_VF];
1001
1002                         if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
1003                                 return &platforms[WRTSL54GS];
1004
1005                         if (!strcmp(boardtype, "0x0472"))
1006                                 return &platforms[WRT160N];
1007
1008                         /* default to WRT54G */
1009                         return &platforms[WRT54G];
1010                 }
1011                 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
1012                         return &platforms[WAP54GV2];
1013
1014                 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
1015                         return &platforms[WL1600GL];
1016
1017
1018                 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1019                         if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1020                                 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1021                 }
1022
1023                 if (!strcmp(boardnum, "45")) { /* ASUS */
1024                         if (!strcmp(boardtype,"0x042f"))
1025                                 return &platforms[WL500GP];
1026                         else if (!strcmp(boardtype,"0x0472"))
1027                                 return &platforms[WL500W];
1028                         else if (!strcmp(boardtype,"0x467"))
1029                                 return &platforms[WL320GE];
1030                         else
1031                                 return &platforms[WL500GD];
1032                 }
1033
1034                 if (!strcmp(boardnum, "10496"))
1035                         return &platforms[USR5461];
1036
1037                 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1038                         return &platforms[SE505V2];
1039
1040                 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1041                                 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1042                         return &platforms[DIR320];
1043
1044                 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1045                         return &platforms[WDNetCenter];
1046                 }
1047
1048         } else { /* PMON based - old stuff */
1049                 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1050                         (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1051                         return &platforms[WR850GV1];
1052                 }
1053                 if (startswith(boardtype, "bcm94710dev")) {
1054                         if (!strcmp(boardnum, "42"))
1055                                 return &platforms[WRT54GV1];
1056                         if (simple_strtoul(boardnum, NULL, 0) == 2)
1057                                 return &platforms[WAP54GV1];
1058                 }
1059                 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1060                 if (startswith(getvar("hardware_version"), "WL500-")) {
1061                         if (!strcmp(getvar("boardnum"), "mn700"))
1062                                 return &platforms[MN700];
1063                         else
1064                                 return &platforms[WL500G];
1065                 }
1066                 if (startswith(getvar("hardware_version"), "WL300-")) {
1067                         /* Either WL-300g or WL-HDD, do more extensive checks */
1068                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1069                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
1070                                 return &platforms[WLHDD];
1071                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1072                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
1073                                 return &platforms[WL300G];
1074                 }
1075                 /* Sitecom WL-105b */
1076                 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1077                         return &platforms[WL105B];
1078
1079                 /* unknown asus stuff, probably bcm4702 */
1080                 if (startswith(boardnum, "asusX"))
1081                         return &platforms[ASUS_4702];
1082
1083                 /* bcm4702 based Askey RT210W clones, Including:
1084                  * Askey RT210W (duh?)
1085                  * Siemens SE505v1
1086                  * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1087                  */
1088                 if (!strcmp(boardtype,"bcm94710r4")
1089                  && !strcmp(boardnum ,"100")
1090                  && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1091                    ){
1092                         return &platforms[RT210W];
1093                 }
1094         }
1095
1096         if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
1097                 if (startswith(boardtype, "bcm94710ap"))
1098                         return &platforms[BUFFALO_UNKNOWN_4710];
1099                 else
1100                         return &platforms[BUFFALO_UNKNOWN];
1101         }
1102
1103         if (startswith(getvar("CFEver"), "MotoWRv2") ||
1104                 startswith(getvar("CFEver"), "MotoWRv3") ||
1105                 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1106
1107                 return &platforms[WR850GV2V3];
1108         }
1109
1110         if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) {  /* Trendware TEW-411BRP+ */
1111                 return &platforms[TEW411BRPP];
1112         }
1113
1114         if (startswith(boardnum, "04FN52")) /* SimpleTech SimpleShare */
1115                 return &platforms[STI_NAS];
1116
1117         if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1118                 return &platforms[DWL3150];
1119
1120         /* not found */
1121         return NULL;
1122 }
1123
1124 static void register_buttons(struct button_t *b)
1125 {
1126         for (; b->name; b++)
1127                 platform.button_mask |= b->gpio;
1128
1129         platform.button_mask &= ~gpiomask;
1130
1131         gpio_outen(platform.button_mask, 0);
1132         gpio_control(platform.button_mask, 0);
1133         platform.button_polarity = gpio_in() & platform.button_mask;
1134         gpio_intpolarity(platform.button_mask, platform.button_polarity);
1135         gpio_setintmask(platform.button_mask, platform.button_mask);
1136
1137         gpio_set_irqenable(1, button_handler);
1138 }
1139
1140 static void unregister_buttons(struct button_t *b)
1141 {
1142         gpio_setintmask(platform.button_mask, 0);
1143
1144         gpio_set_irqenable(0, button_handler);
1145 }
1146
1147
1148 #ifndef LINUX_2_4
1149 static void add_msg(struct event_t *event, char *msg, int argv)
1150 {
1151         char *s;
1152
1153         if (argv)
1154                 return;
1155
1156         s = skb_put(event->skb, strlen(msg) + 1);
1157         strcpy(s, msg);
1158 }
1159
1160 static void hotplug_button(struct work_struct *work)
1161 {
1162         struct event_t *event = container_of(work, struct event_t, wq);
1163         char *s;
1164
1165         if (!uevent_sock)
1166                 return;
1167
1168         event->skb = alloc_skb(2048, GFP_KERNEL);
1169
1170         s = skb_put(event->skb, strlen(event->action) + 2);
1171         sprintf(s, "%s@", event->action);
1172         fill_event(event);
1173
1174         NETLINK_CB(event->skb).dst_group = 1;
1175         netlink_broadcast(uevent_sock, event->skb, 0, 1, GFP_KERNEL);
1176
1177         kfree(event);
1178 }
1179
1180 #else /* !LINUX_2_4 */
1181 static inline char *kzalloc(unsigned int size, unsigned int gfp)
1182 {
1183         char *p;
1184
1185         p = kmalloc(size, gfp);
1186         if (p == NULL)
1187                 return NULL;
1188
1189         memset(p, 0, size);
1190
1191         return p;
1192 }
1193
1194 static void add_msg(struct event_t *event, char *msg, int argv)
1195 {
1196         if (argv)
1197                 event->argv[event->anr++] = event->scratch;
1198         else
1199                 event->envp[event->enr++] = event->scratch;
1200
1201         event->scratch += sprintf(event->scratch, "%s", msg) + 1;
1202 }
1203
1204 static void hotplug_button(struct event_t *event)
1205 {
1206         char *scratch = kzalloc(256, GFP_KERNEL);
1207         event->scratch = scratch;
1208
1209         add_msg(event, hotplug_path, 1);
1210         add_msg(event, "button", 1);
1211         fill_event(event);
1212         call_usermodehelper (event->argv[0], event->argv, event->envp);
1213         kfree(scratch);
1214         kfree(event);
1215 }
1216 #endif /* !LINUX_2_4 */
1217
1218 static int fill_event (struct event_t *event)
1219 {
1220         static char buf[128];
1221
1222         add_msg(event, "HOME=/", 0);
1223         add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1224         add_msg(event, "SUBSYSTEM=button", 0);
1225         snprintf(buf, 128, "ACTION=%s", event->action);
1226         add_msg(event, buf, 0);
1227         snprintf(buf, 128, "BUTTON=%s", event->name);
1228         add_msg(event, buf, 0);
1229         snprintf(buf, 128, "SEEN=%ld", event->seen);
1230         add_msg(event, buf, 0);
1231 #ifndef LINUX_2_4
1232         snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1233         add_msg(event, buf, 0);
1234 #endif
1235
1236         return 0;
1237 }
1238
1239
1240 #ifndef LINUX_2_4
1241 static irqreturn_t button_handler(int irq, void *dev_id)
1242 #else
1243 static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
1244 #endif
1245 {
1246         struct button_t *b;
1247         u32 in, changed;
1248
1249         in = gpio_in() & platform.button_mask;
1250         gpio_intpolarity(platform.button_mask, in);
1251         changed = platform.button_polarity ^ in;
1252         platform.button_polarity = in;
1253
1254         changed &= ~gpio_outen(0, 0);
1255
1256         for (b = platform.buttons; b->name; b++) {
1257                 struct event_t *event;
1258
1259                 if (!(b->gpio & changed)) continue;
1260
1261                 b->pressed ^= 1;
1262
1263                 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1264                         event->seen = (jiffies - b->seen)/HZ;
1265                         event->name = b->name;
1266                         event->action = b->pressed ? "pressed" : "released";
1267 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
1268                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1269 #else
1270                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
1271 #endif
1272                         schedule_work(&event->wq);
1273                 }
1274
1275                 b->seen = jiffies;
1276         }
1277         return IRQ_HANDLED;
1278 }
1279
1280 static void register_leds(struct led_t *l)
1281 {
1282         struct proc_dir_entry *p;
1283         u32 mask = 0;
1284         u32 oe_mask = 0;
1285         u32 val = 0;
1286
1287         leds = proc_mkdir("led", diag);
1288         if (!leds)
1289                 return;
1290
1291         for(; l->name; l++) {
1292                 if (l->gpio & gpiomask)
1293                         continue;
1294
1295                 if (l->gpio & GPIO_TYPE_EXTIF) {
1296                         l->state = 0;
1297                         set_led_extif(l);
1298                 } else {
1299                         if (l->polarity != INPUT) oe_mask |= l->gpio;
1300                         mask |= l->gpio;
1301                         val |= (l->polarity == NORMAL)?0:l->gpio;
1302                 }
1303
1304                 if (l->polarity == INPUT) continue;
1305
1306                 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1307                         l->proc.type = PROC_LED;
1308                         l->proc.ptr = l;
1309                         p->data = (void *) &l->proc;
1310                         p->proc_fops = &diag_proc_fops;
1311                 }
1312         }
1313
1314         gpio_outen(mask, oe_mask);
1315         gpio_control(mask, 0);
1316         gpio_out(mask, val);
1317         gpio_setintmask(mask, 0);
1318 }
1319
1320 static void unregister_leds(struct led_t *l)
1321 {
1322         for(; l->name; l++)
1323                 remove_proc_entry(l->name, leds);
1324
1325         remove_proc_entry("led", diag);
1326 }
1327
1328 static void set_led_extif(struct led_t *led)
1329 {
1330         gpio_set_extif(led->gpio, led->state);
1331 }
1332
1333 static void led_flash(unsigned long dummy) {
1334         struct led_t *l;
1335         u32 mask = 0;
1336         u8 extif_blink = 0;
1337
1338         for (l = platform.leds; l->name; l++) {
1339                 if (l->flash) {
1340                         if (l->gpio & GPIO_TYPE_EXTIF) {
1341                                 extif_blink = 1;
1342                                 l->state = !l->state;
1343                                 set_led_extif(l);
1344                         } else {
1345                                 mask |= l->gpio;
1346                         }
1347                 }
1348         }
1349
1350         mask &= ~gpiomask;
1351         if (mask) {
1352                 u32 val = ~gpio_in();
1353
1354                 gpio_outen(mask, mask);
1355                 gpio_control(mask, 0);
1356                 gpio_out(mask, val);
1357         }
1358         if (mask || extif_blink) {
1359                 mod_timer(&led_timer, jiffies + FLASH_TIME);
1360         }
1361 }
1362
1363 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1364 {
1365 #ifdef LINUX_2_4
1366         struct inode *inode = file->f_dentry->d_inode;
1367         struct proc_dir_entry *dent = inode->u.generic_ip;
1368 #else
1369         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1370 #endif
1371         char *page;
1372         int len = 0;
1373
1374         if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1375                 return -ENOBUFS;
1376
1377         if (dent->data != NULL) {
1378                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1379                 switch (handler->type) {
1380                         case PROC_LED: {
1381                                 struct led_t * led = (struct led_t *) handler->ptr;
1382                                 if (led->flash) {
1383                                         len = sprintf(page, "f\n");
1384                                 } else {
1385                                         if (led->gpio & GPIO_TYPE_EXTIF) {
1386                                                 len = sprintf(page, "%d\n", led->state);
1387                                         } else {
1388                                                 u32 in = (gpio_in() & led->gpio ? 1 : 0);
1389                                                 u8 p = (led->polarity == NORMAL ? 0 : 1);
1390                                                 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1391                                         }
1392                                 }
1393                                 break;
1394                         }
1395                         case PROC_MODEL:
1396                                 len = sprintf(page, "%s\n", platform.name);
1397                                 break;
1398                         case PROC_GPIOMASK:
1399                                 len = sprintf(page, "0x%04x\n", gpiomask);
1400                                 break;
1401                 }
1402         }
1403         len += 1;
1404
1405         if (*ppos < len) {
1406                 len = min_t(int, len - *ppos, count);
1407                 if (copy_to_user(buf, (page + *ppos), len)) {
1408                         kfree(page);
1409                         return -EFAULT;
1410                 }
1411                 *ppos += len;
1412         } else {
1413                 len = 0;
1414         }
1415
1416         kfree(page);
1417         return len;
1418 }
1419
1420
1421 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1422 {
1423 #ifdef LINUX_2_4
1424         struct inode *inode = file->f_dentry->d_inode;
1425         struct proc_dir_entry *dent = inode->u.generic_ip;
1426 #else
1427         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1428 #endif
1429         char *page;
1430         int ret = -EINVAL;
1431
1432         if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1433                 return -ENOBUFS;
1434
1435         if (copy_from_user(page, buf, count)) {
1436                 kfree(page);
1437                 return -EINVAL;
1438         }
1439         page[count] = 0;
1440
1441         if (dent->data != NULL) {
1442                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1443                 switch (handler->type) {
1444                         case PROC_LED: {
1445                                 struct led_t *led = (struct led_t *) handler->ptr;
1446                                 int p = (led->polarity == NORMAL ? 0 : 1);
1447
1448                                 if (page[0] == 'f') {
1449                                         led->flash = 1;
1450                                         led_flash(0);
1451                                 } else {
1452                                         led->flash = 0;
1453                                         if (led->gpio & GPIO_TYPE_EXTIF) {
1454                                                 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1455                                                 set_led_extif(led);
1456                                         } else {
1457                                                 gpio_outen(led->gpio, led->gpio);
1458                                                 gpio_control(led->gpio, 0);
1459                                                 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1460                                         }
1461                                 }
1462                                 break;
1463                         }
1464                         case PROC_GPIOMASK:
1465                                 gpiomask = simple_strtoul(page, NULL, 0);
1466
1467                                 if (platform.buttons) {
1468                                         unregister_buttons(platform.buttons);
1469                                         register_buttons(platform.buttons);
1470                                 }
1471
1472                                 if (platform.leds) {
1473                                         unregister_leds(platform.leds);
1474                                         register_leds(platform.leds);
1475                                 }
1476                                 break;
1477                 }
1478                 ret = count;
1479         }
1480
1481         kfree(page);
1482         return ret;
1483 }
1484
1485 static int __init diag_init(void)
1486 {
1487         static struct proc_dir_entry *p;
1488         static struct platform_t *detected;
1489
1490         detected = platform_detect();
1491         if (!detected) {
1492                 printk(MODULE_NAME ": Router model not detected.\n");
1493                 return -ENODEV;
1494         }
1495         memcpy(&platform, detected, sizeof(struct platform_t));
1496
1497         printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1498         if (platform.platform_init != NULL) {
1499                 platform.platform_init();
1500         }
1501
1502         if (!(diag = proc_mkdir("diag", NULL))) {
1503                 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1504                 return -EINVAL;
1505         }
1506
1507         if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1508                 p->data = (void *) &proc_model;
1509                 p->proc_fops = &diag_proc_fops;
1510         }
1511
1512         if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1513                 p->data = (void *) &proc_gpiomask;
1514                 p->proc_fops = &diag_proc_fops;
1515         }
1516
1517         if (platform.buttons)
1518                 register_buttons(platform.buttons);
1519
1520         if (platform.leds)
1521                 register_leds(platform.leds);
1522
1523         return 0;
1524 }
1525
1526 static void __exit diag_exit(void)
1527 {
1528         del_timer(&led_timer);
1529
1530         if (platform.buttons)
1531                 unregister_buttons(platform.buttons);
1532
1533         if (platform.leds)
1534                 unregister_leds(platform.leds);
1535
1536         remove_proc_entry("model", diag);
1537         remove_proc_entry("gpiomask", diag);
1538         remove_proc_entry("diag", NULL);
1539 }
1540
1541 module_init(diag_init);
1542 module_exit(diag_exit);
1543
1544 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1545 MODULE_LICENSE("GPL");