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 #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 extern u64 uevent_next_seqnum(void);
  36
  37 #include "gpio.h"
  38 #include "diag.h"
  39 #define getvar(str) (nvram_get(str)?:"")
  40
  41 static inline int startswith (char *source, char *cmp) { return !strncmp(source,cmp,strlen(cmp)); }
  42 static int fill_event(struct event_t *);
  43 static unsigned int gpiomask = 0;
  44 module_param(gpiomask, int, 0644);
  45
  46 enum {
  47         /* Linksys */
  48         WAP54GV1,
  49         WAP54GV2,
  50         WAP54GV3,
  51         WRT54GV1,
  52         WRT54G,
  53         WRTSL54GS,
  54         WRT54G3G,
  55         WRT54G3GV2_VF,
  56         WRT160N,
  57         WRT300NV11,
  58         WRT350N,
  59         WRT600N,
  60         WRT600NV11,
  61         WRT610N,
  62
  63         /* ASUS */
  64         WLHDD,
  65         WL300G,
  66         WL320GE,
  67         WL330GE,
  68         WL500G,
  69         WL500GD,
  70         WL500GP,
  71         WL500GPV2,
  72         WL500W,
  73         WL520GC,
  74         WL520GU,
  75         ASUS_4702,
  76         WL700GE,
  77
  78         /* Buffalo */
  79         WBR2_G54,
  80         WHR_G54S,
  81         WHR_HP_G54,
  82         WHR_G125,
  83         WHR2_A54G54,
  84         WLA2_G54L,
  85         WZR_G300N,
  86         WZR_RS_G54,
  87         WZR_RS_G54HP,
  88         BUFFALO_UNKNOWN,
  89         BUFFALO_UNKNOWN_4710,
  90
  91         /* Siemens */
  92         SE505V1,
  93         SE505V2,
  94
  95         /* US Robotics */
  96         USR5461,
  97
  98         /* Dell */
  99         TM2300,
 100         TM2300V2,
 101
 102         /* Motorola */
 103         WE800G,
 104         WR850GV1,
 105         WR850GV2V3,
 106         WR850GP,
 107
 108         /* Belkin */
 109         BELKIN_UNKNOWN,
 110
 111         /* Netgear */
 112         WGT634U,
 113         WNR834BV2,
 114
 115         /* Trendware */
 116         TEW411BRPP,
 117
 118         /* SimpleTech */
 119         STI_NAS,
 120
 121         /* D-Link */
 122         DIR130,
 123         DIR320,
 124         DIR330,
 125         DWL3150,
 126
 127         /* Sitecom */
 128         WL105B,
 129
 130         /* Western Digital */
 131         WDNetCenter,
 132
 133         /* Askey */
 134         RT210W,
 135
 136         /* OvisLink */
 137         WL1600GL,
 138
 139         /* Microsoft */
 140         MN700,
 141 };
 142
 143 static void __init bcm4780_init(void) {
 144                 int pin = 1 << 3;
 145
 146                 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
 147                 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
 148                 gpio_outen(pin, pin);
 149                 gpio_control(pin, 0);
 150                 gpio_out(pin, pin);
 151
 152                 /* Wait 5s, so the HDD can spin up */
 153                 set_current_state(TASK_INTERRUPTIBLE);
 154                 schedule_timeout(HZ * 5);
 155 }
 156
 157 static void __init NetCenter_init(void) {
 158                 /* unset pin 6 (+12V) */
 159                 int pin = 1 << 6;
 160                 gpio_outen(pin, pin);
 161                 gpio_control(pin, 0);
 162                 gpio_out(pin, pin);
 163                 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
 164                 pin = 1 << 1;
 165                 gpio_outen(pin, pin);
 166                 gpio_control(pin, 0);
 167                 gpio_out(pin, pin);
 168                 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
 169                 bcm4780_init();
 170 }
 171
 172 static void __init bcm57xx_init(void) {
 173         int pin = 1 << 2;
 174
 175         /* FIXME: switch comes up, but port mappings/vlans not right */
 176         gpio_outen(pin, pin);
 177         gpio_control(pin, 0);
 178         gpio_out(pin, pin);
 179 }
 180
 181 static struct platform_t __initdata platforms[] = {
 182         /* Linksys */
 183         [WAP54GV1] = {
 184                 .name           = "Linksys WAP54G V1",
 185                 .buttons        = {
 186                         { .name = "reset",      .gpio = 1 << 0 },
 187                 },
 188                 .leds           = {
 189                         { .name = "diag",       .gpio = 1 << 3 },
 190                         { .name = "wlan",       .gpio = 1 << 4 },
 191                 },
 192         },
 193         [WAP54GV2] = {
 194                 .name           = "Linksys WAP54G V2",
 195                 .buttons        = {
 196                         { .name = "reset",      .gpio = 1 << 0 },
 197                 },
 198                 .leds           = {
 199                         { .name = "wlan",       .gpio = 1 << 5, .polarity = REVERSE },
 200                         /* GPIO 6 is b44 (eth0, LAN) PHY power */
 201                 },
 202         },
 203         [WAP54GV3] = {
 204                 .name           = "Linksys WAP54G V3",
 205                 .buttons        = {
 206                         /* FIXME: verify this */
 207                         { .name = "reset",      .gpio = 1 << 7 },
 208                         { .name = "ses",        .gpio = 1 << 0 },
 209                 },
 210                 .leds           = {
 211                         /* FIXME: diag? */
 212                         { .name = "ses",        .gpio = 1 << 1 },
 213                 },
 214         },
 215         [WRT54GV1] = {
 216                 .name           = "Linksys WRT54G V1.x",
 217                 .buttons        = {
 218                         { .name = "reset",      .gpio = 1 << 6 },
 219                 },
 220                 .leds           = {
 221                         { .name = "diag",       .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 222                         { .name = "dmz",        .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 223                 },
 224         },
 225         [WRT54G] = {
 226                 .name           = "Linksys WRT54G/GS/GL",
 227                 .buttons        = {
 228                         { .name = "reset",      .gpio = 1 << 6 },
 229                         { .name = "ses",        .gpio = 1 << 4 },
 230                 },
 231                 .leds           = {
 232                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 233                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 234                         { .name = "ses_white",  .gpio = 1 << 2, .polarity = REVERSE },
 235                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 236                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 237                 },
 238         },
 239         [WRTSL54GS] = {
 240                 .name           = "Linksys WRTSL54GS",
 241                 .buttons        = {
 242                         { .name = "reset",      .gpio = 1 << 6 },
 243                         { .name = "ses",        .gpio = 1 << 4 },
 244                 },
 245                 .leds           = {
 246                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 247                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },
 248                         { .name = "ses_white",  .gpio = 1 << 5, .polarity = REVERSE },
 249                         { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
 250                 },
 251         },
 252         [WRT54G3G] = {
 253                 .name           = "Linksys WRT54G3G",
 254                 .buttons        = {
 255                         { .name = "reset",      .gpio = 1 << 6 },
 256                         { .name = "3g",         .gpio = 1 << 4 },
 257                 },
 258                 .leds           = {
 259                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 260                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 261                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 262                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 263                         { .name = "3g_blink",   .gpio = 1 << 5, .polarity = NORMAL },
 264                 },
 265         },
 266         [WRT54G3GV2_VF] = {
 267                 .name           = "Linksys WRT54G3GV2-VF",
 268                 .buttons        = {
 269                         { .name = "reset",      .gpio = 1 << 6 },
 270                         { .name = "3g",         .gpio = 1 << 5 },
 271                 },
 272                 .leds           = {
 273                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 274                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 275                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 276                 },
 277         },
 278         [WRT160N] = {
 279                 .name           = "Linksys WRT160N",
 280                 .buttons        = {
 281                         { .name = "reset",      .gpio = 1 << 6 },
 282                         { .name = "ses",        .gpio = 1 << 4 },
 283                 },
 284                 .leds           = {
 285                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 286                         { .name = "ses_blue",   .gpio = 1 << 5, .polarity = REVERSE },
 287                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 288                 },
 289         },
 290         [WRT300NV11] = {
 291                 .name           = "Linksys WRT300N V1.1",
 292                 .buttons        = {
 293                         { .name = "reset",     .gpio = 1 << 6 }, // "Reset" on back panel
 294                         { .name = "ses",       .gpio = 1 << 4 }, // "Reserved" on top panel
 295                 },
 296                 .leds           = {
 297                         { .name = "power",     .gpio = 1 << 1, .polarity = NORMAL  }, // "Power"
 298                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
 299                         { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
 300                 },
 301                 .platform_init = bcm57xx_init,
 302         },
 303         [WRT350N] = {
 304                 .name           = "Linksys WRT350N",
 305                 .buttons        = {
 306                         { .name = "reset",      .gpio = 1 << 6 },
 307                         { .name = "ses",        .gpio = 1 << 8 },
 308                 },
 309                 .leds           = {
 310                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 311                         { .name = "ses_amber",  .gpio = 1 << 3, .polarity = REVERSE },
 312                         { .name = "ses_green",  .gpio = 1 << 9, .polarity = REVERSE },
 313                         { .name = "usb_blink",  .gpio = 1 << 10, .polarity = REVERSE },
 314                         { .name = "usb",        .gpio = 1 << 11, .polarity = REVERSE },
 315                 },
 316                 .platform_init = bcm57xx_init,
 317         },
 318         [WRT600N] = {
 319                 .name           = "Linksys WRT600N",
 320                 .buttons        = {
 321                         { .name = "reset",      .gpio = 1 << 6 },
 322                         { .name = "ses",        .gpio = 1 << 7 },
 323                 },
 324                 .leds           = {
 325                         { .name = "power",              .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 326                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 327                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 328                         { .name = "wl0_ses_green",      .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 329                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 330                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 331                 },
 332                 .platform_init = bcm57xx_init,
 333         },
 334         [WRT600NV11] = {
 335                 .name           = "Linksys WRT600N V1.1",
 336                 .buttons        = {
 337                         { .name = "reset",      .gpio = 1 << 6 },
 338                         { .name = "ses",        .gpio = 1 << 7 },
 339                 },
 340                 .leds           = {
 341                         { .name = "power",             .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 342                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 343                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 344                         { .name = "wl0_ses_green",     .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 345                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 346                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 347                 },
 348                 .platform_init = bcm57xx_init,
 349         },
 350         [WRT610N] = {
 351                 .name           = "Linksys WRT610N",
 352                 .buttons        = {
 353                         { .name = "reset",      .gpio = 1 << 6 },
 354                         { .name = "ses",        .gpio = 1 << 8 },
 355                 },
 356                 .leds           = {
 357                         { .name = "power",      .gpio = 1 << 1,  .polarity = NORMAL }, // Power LED
 358                         { .name = "usb",        .gpio = 1 << 0,  .polarity = REVERSE }, // USB LED
 359                         { .name = "ses_amber",  .gpio = 1 << 3,  .polarity = REVERSE }, // WiFi protected setup LED amber
 360                         { .name = "ses_blue",   .gpio = 1 << 9,  .polarity = REVERSE }, // WiFi protected setup LED blue
 361                 },
 362         },
 363         /* Asus */
 364         [WLHDD] = {
 365                 .name           = "ASUS WL-HDD",
 366                 .buttons        = {
 367                         { .name = "reset",      .gpio = 1 << 6 },
 368                 },
 369                 .leds           = {
 370                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 371                         { .name = "usb",        .gpio = 1 << 2, .polarity = REVERSE },
 372                 },
 373         },
 374         [WL300G] = {
 375                 .name           = "ASUS WL-300g",
 376                 .buttons        = {
 377                         { .name = "reset",      .gpio = 1 << 6 },
 378                 },
 379                 .leds           = {
 380                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 381                 },
 382         },
 383         [WL320GE] = {
 384                 .name           = "ASUS WL-320gE/WL-320gP",
 385                 .buttons        = {
 386                         { .name = "reset",      .gpio = 1 << 6 },
 387                 },
 388                 .leds           = {
 389                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 390                         { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
 391                         { .name = "link",       .gpio = 1 << 11, .polarity = REVERSE },
 392                 },
 393         },
 394         [WL330GE] = {
 395                 .name           = "ASUS WL-330gE",
 396                 .buttons        = {
 397                         { .name = "reset",      .gpio = 1 << 2 },
 398                 },
 399                 .leds           = {
 400                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 401                 },
 402         },
 403         [WL500G] = {
 404                 .name           = "ASUS WL-500g",
 405                 .buttons        = {
 406                         { .name = "reset",      .gpio = 1 << 6 },
 407                 },
 408                 .leds           = {
 409                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 410                 },
 411         },
 412         [WL500GD] = {
 413                 .name           = "ASUS WL-500g Deluxe",
 414                 .buttons        = {
 415                         { .name = "reset",      .gpio = 1 << 6 },
 416                 },
 417                 .leds           = {
 418                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 419                 },
 420         },
 421         [WL500GP] = {
 422                 .name           = "ASUS WL-500g Premium",
 423                 .buttons        = {
 424                         { .name = "reset",      .gpio = 1 << 0 },
 425                         { .name = "ses",        .gpio = 1 << 4 },
 426                 },
 427                 .leds           = {
 428                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 429                 },
 430         },
 431         [WL500GPV2] = {
 432                 .name           = "ASUS WL-500g Premium V2",
 433                 .buttons        = {
 434                         { .name = "reset",      .gpio = 1 << 2 },
 435                         { .name = "ses",        .gpio = 1 << 3 },
 436                 },
 437                 .leds           = {
 438                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 439                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 440                 },
 441         },
 442         [WL500W] = {
 443                 .name           = "ASUS WL-500W",
 444                 .buttons        = {
 445                         { .name = "reset",      .gpio = 1 << 6 },
 446                         { .name = "ses",        .gpio = 1 << 7 },
 447                 },
 448                 .leds           = {
 449                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 450                 },
 451         },
 452         [WL520GC] = {
 453                 .name           = "ASUS WL-520GC",
 454                 .buttons        = {
 455                         { .name = "reset",      .gpio = 1 << 2 },
 456                         { .name = "ses",        .gpio = 1 << 3 },
 457                 },
 458                 .leds           = {
 459                 { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 460                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 461                 },
 462         },
 463         [WL520GU] = {
 464                 .name           = "ASUS WL-520gU",
 465                 .buttons        = {
 466                         { .name = "reset",      .gpio = 1 << 2 },
 467                         { .name = "ses",        .gpio = 1 << 3 },
 468                 },
 469                 .leds           = {
 470                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 471                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 472                 },
 473         },
 474         [ASUS_4702] = {
 475                 .name           = "ASUS (unknown, BCM4702)",
 476                 .buttons        = {
 477                         { .name = "reset",      .gpio = 1 << 6 },
 478                 },
 479                 .leds           = {
 480                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 481                 },
 482         },
 483         [WL700GE] = {
 484                 .name           = "ASUS WL-700gE",
 485                 .buttons        = {
 486                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 487                         { .name = "ses",        .gpio = 1 << 4 }, // on back, actual name ezsetup
 488                         { .name = "power",      .gpio = 1 << 0 }, // on front
 489                         { .name = "copy",       .gpio = 1 << 6 }, // on front
 490                 },
 491                 .leds           = {
 492 #if 0
 493                         // GPIO that controls power led also enables/disables some essential functions
 494                         // - power to HDD
 495                         // - switch leds
 496                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },  // actual name power
 497 #endif
 498                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 499                 },
 500                 .platform_init = bcm4780_init,
 501         },
 502         /* Buffalo */
 503         [WHR_G54S] = {
 504                 .name           = "Buffalo WHR-G54S",
 505                 .buttons        = {
 506                         { .name = "reset",      .gpio = 1 << 4 },
 507                         { .name = "bridge",     .gpio = 1 << 5 },
 508                         { .name = "ses",        .gpio = 1 << 0 },
 509                 },
 510                 .leds           = {
 511                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 512                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 513                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 514                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 515                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 516                 },
 517         },
 518         [WBR2_G54] = {
 519                 .name           = "Buffalo WBR2-G54",
 520                 /* FIXME: verify */
 521                 .buttons        = {
 522                         { .name = "reset",      .gpio = 1 << 7 },
 523                 },
 524                 .leds           = {
 525                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 526                 },
 527         },
 528         [WHR_HP_G54] = {
 529                 .name           = "Buffalo WHR-HP-G54",
 530                 .buttons        = {
 531                         { .name = "reset",      .gpio = 1 << 4 },
 532                         { .name = "bridge",     .gpio = 1 << 5 },
 533                         { .name = "ses",        .gpio = 1 << 0 },
 534                 },
 535                 .leds           = {
 536                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 537                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 538                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 539                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 540                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 541                 },
 542         },
 543         [WHR_G125] = {
 544                 .name           = "Buffalo WHR-G125",
 545                 .buttons        = {
 546                         { .name = "reset",      .gpio = 1 << 4 },
 547                         { .name = "bridge",     .gpio = 1 << 5 },
 548                         { .name = "ses",        .gpio = 1 << 0 },
 549                 },
 550                 .leds           = {
 551                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 552                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 553                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 554                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 555                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 556                 },
 557         },
 558         [WHR2_A54G54] = {
 559                 .name           = "Buffalo WHR2-A54G54",
 560                 .buttons        = {
 561                         { .name = "reset",      .gpio = 1 << 4 },
 562                 },
 563                 .leds           = {
 564                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 565                 },
 566         },
 567         [WLA2_G54L] = {
 568                 .name           = "Buffalo WLA2-G54L",
 569                 /* FIXME: verify */
 570                 .buttons        = {
 571                         { .name = "reset",      .gpio = 1 << 7 },
 572                 },
 573                 .leds           = {
 574                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 575                 },
 576         },
 577         [WZR_G300N] = {
 578                 .name           = "Buffalo WZR-G300N",
 579                 .buttons        = {
 580                         { .name = "reset",      .gpio = 1 << 4 },
 581                 },
 582                 .leds           = {
 583                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 584                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 585                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 586                 },
 587         },
 588         [WZR_RS_G54] = {
 589                 .name           = "Buffalo WZR-RS-G54",
 590                 .buttons        = {
 591                         { .name = "ses",        .gpio = 1 << 0 },
 592                         { .name = "reset",      .gpio = 1 << 4 },
 593                 },
 594                 .leds           = {
 595                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 596                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 597                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 598                 },
 599         },
 600         [WZR_RS_G54HP] = {
 601                 .name           = "Buffalo WZR-RS-G54HP",
 602                 .buttons        = {
 603                         { .name = "ses",        .gpio = 1 << 0 },
 604                         { .name = "reset",      .gpio = 1 << 4 },
 605                 },
 606                 .leds           = {
 607                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 608                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 609                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 610                 },
 611         },
 612         [BUFFALO_UNKNOWN] = {
 613                 .name           = "Buffalo (unknown)",
 614                 .buttons        = {
 615                         { .name = "reset",      .gpio = 1 << 7 },
 616                 },
 617                 .leds           = {
 618                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 619                 },
 620         },
 621         [BUFFALO_UNKNOWN_4710] = {
 622                 .name           = "Buffalo (unknown, BCM4710)",
 623                 .buttons        = {
 624                         { .name = "reset",      .gpio = 1 << 4 },
 625                 },
 626                 .leds           = {
 627                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 628                 },
 629         },
 630         /* Siemens */
 631         [SE505V1] = {
 632                 .name           = "Siemens SE505 V1",
 633                 .buttons        = {
 634                         /* No usable buttons */
 635                 },
 636                 .leds           = {
 637 //                      { .name = "power",      .gpio = 1 << 0  .polarity = REVERSE },  // Usable when retrofitting D26 (?)
 638                         { .name = "dmz",        .gpio = 1 << 4, .polarity = REVERSE },  // actual name WWW
 639                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 640                 },
 641         },
 642         [SE505V2] = {
 643                 .name           = "Siemens SE505 V2",
 644                 .buttons        = {
 645                         /* No usable buttons */
 646                 },
 647                 .leds           = {
 648                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 649                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },  // actual name WWW
 650                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 651                 },
 652         },
 653         /* US Robotics */
 654         [USR5461] = {
 655                 .name           = "U.S. Robotics USR5461",
 656                 .buttons        = {
 657                         /* No usable buttons */
 658                 },
 659                 .leds           = {
 660                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 661                         { .name = "printer",    .gpio = 1 << 1, .polarity = REVERSE },
 662                 },
 663         },
 664         /* Dell */
 665         [TM2300] = {
 666                 .name           = "Dell TrueMobile 2300",
 667                 .buttons        = {
 668                         { .name = "reset",      .gpio = 1 << 0 },
 669                 },
 670                 .leds           = {
 671                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 672                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 673                 },
 674         },
 675         [TM2300V2] = {
 676                 .name           = "Dell TrueMobile 2300 v2",
 677                 .buttons        = {
 678                         { .name = "reset",      .gpio = 1 << 0 },
 679                 },
 680                 .leds           = {
 681                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 682                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 683                 },
 684         },
 685         /* Motorola */
 686         [WE800G] = {
 687                 .name           = "Motorola WE800G",
 688                 .buttons        = {
 689                         { .name = "reset",      .gpio = 1 << 0 },
 690                 },
 691                 .leds           = {
 692                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 693                         { .name = "diag",       .gpio = 1 << 2, .polarity = REVERSE },
 694                         { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
 695                 },
 696         },
 697         [WR850GV1] = {
 698                 .name           = "Motorola WR850G V1",
 699                 .buttons        = {
 700                         { .name = "reset",      .gpio = 1 << 0 },
 701                 },
 702                 .leds           = {
 703                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 704                         { .name = "diag",       .gpio = 1 << 3, .polarity = REVERSE },
 705                         { .name = "dmz",        .gpio = 1 << 6, .polarity = NORMAL },
 706                         { .name = "wlan_red",   .gpio = 1 << 5, .polarity = REVERSE },
 707                         { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
 708                 },
 709         },
 710         [WR850GV2V3] = {
 711                 .name           = "Motorola WR850G V2/V3",
 712                 .buttons        = {
 713                         { .name = "reset",      .gpio = 1 << 5 },
 714                 },
 715                 .leds           = {
 716                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 717                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 718                         { .name = "wan",        .gpio = 1 << 6, .polarity = INPUT },
 719                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 720                 },
 721         },
 722         [WR850GP] = {
 723                 .name           = "Motorola WR850GP",
 724                 .buttons        = {
 725                         { .name = "reset",      .gpio = 1 << 5 },
 726                 },
 727                 .leds           = {
 728                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 729                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 730                         { .name = "dmz",        .gpio = 1 << 6, .polarity = REVERSE },
 731                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 732                 },
 733         },
 734
 735         /* Belkin */
 736         [BELKIN_UNKNOWN] = {
 737                 .name           = "Belkin (unknown)",
 738                 /* FIXME: verify & add detection */
 739                 .buttons        = {
 740                         { .name = "reset",      .gpio = 1 << 7 },
 741                 },
 742                 .leds           = {
 743                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },
 744                         { .name = "wlan",       .gpio = 1 << 3, .polarity = NORMAL },
 745                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
 746                 },
 747         },
 748         /* Netgear */
 749         [WGT634U] = {
 750                 .name           = "Netgear WGT634U",
 751                 .buttons        = {
 752                         { .name = "reset",      .gpio = 1 << 2 },
 753                 },
 754                 .leds           = {
 755                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
 756                 },
 757         },
 758         [WNR834BV2] = {
 759                 .name           = "Netgear WNR834B V2",
 760                 .buttons        = {
 761                         { .name = "reset",      .gpio = 1 << 6 },
 762                 },
 763                 .leds           = {
 764                         { .name = "power",      .gpio = 1 << 2, .polarity = NORMAL },
 765                         { .name = "diag",       .gpio = 1 << 3, .polarity = NORMAL },
 766                         { .name = "connected",  .gpio = 1 << 7, .polarity = NORMAL },
 767                 },
 768         },
 769         /* Trendware */
 770         [TEW411BRPP] = {
 771                 .name           = "Trendware TEW411BRP+",
 772                 .buttons        = {
 773                         { /* No usable buttons */ },
 774                 },
 775                 .leds           = {
 776                         { .name = "power",      .gpio = 1 << 7, .polarity = NORMAL },
 777                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },
 778                         { .name = "bridge",     .gpio = 1 << 6, .polarity = NORMAL },
 779                 },
 780         },
 781         /* SimpleTech */
 782         [STI_NAS] = {
 783                 .name      = "SimpleTech SimpleShare NAS",
 784                 .buttons        = {
 785                         { .name = "reset",      .gpio = 1 << 0 }, // Power button on back, named reset to enable failsafe.
 786                 },
 787                 .leds      = {
 788                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 789                 },
 790                 .platform_init = bcm4780_init,
 791         },
 792         /* D-Link */
 793         [DIR130] = {
 794                 .name     = "D-Link DIR-130",
 795                 .buttons        = {
 796                         { .name = "reset",      .gpio = 1 << 3},
 797                         { .name = "reserved",   .gpio = 1 << 7},
 798                 },
 799                 .leds      = {
 800                         { .name = "diag",       .gpio = 1 << 0},
 801                         { .name = "blue",       .gpio = 1 << 6},
 802                 },
 803         },
 804         [DIR320] = {
 805                 .name     = "D-Link DIR-320",
 806                 .buttons        = {
 807                         { .name = "reserved",   .gpio = 1 << 6},
 808                         { .name = "reset",      .gpio = 1 << 7},
 809                 },
 810                 .leds      = {
 811                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
 812                         { .name = "diag",       .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
 813                         { .name = "red",        .gpio = 1 << 3, .polarity = REVERSE },
 814                         { .name = "blue",       .gpio = 1 << 4, .polarity = REVERSE },
 815                         { .name = "usb",        .gpio = 1 << 5, .polarity = NORMAL },
 816                 },
 817         },
 818         [DIR330] = {
 819                 .name     = "D-Link DIR-330",
 820                 .buttons        = {
 821                         { .name = "reset",      .gpio = 1 << 3},
 822                         { .name = "reserved",   .gpio = 1 << 7},
 823                 },
 824                 .leds      = {
 825                         { .name = "diag",       .gpio = 1 << 0},
 826                         { .name = "usb",        .gpio = 1 << 4},
 827                         { .name = "blue",       .gpio = 1 << 6},
 828                 },
 829         },
 830         [DWL3150] = {
 831                 .name   = "D-Link DWL-3150",
 832                 .buttons        = {
 833                         { .name = "reset",      .gpio = 1 << 7},
 834                 },
 835                 .leds     = {
 836                         { .name = "diag",       .gpio = 1 << 2},
 837                         { .name = "status",     .gpio = 1 << 1},
 838                 },
 839         },
 840         /* Double check */
 841         [WL105B] = {
 842                 .name   = "Sitecom WL-105b",
 843                 .buttons        = {
 844                         { .name = "reset",      .gpio = 1 << 10},
 845                 },
 846                 .leds     = {
 847                         { .name = "wlan",       .gpio = 1 << 4},
 848                         { .name = "power",      .gpio = 1 << 3},
 849                 },
 850         },
 851         /* Western Digital Net Center */
 852         [WDNetCenter] = {
 853                 .name   = "Western Digital NetCenter",
 854                 .buttons        = {
 855                         { .name = "power",      .gpio = 1 << 0},
 856                         { .name = "reset",      .gpio = 1 << 7},
 857                 },
 858                 .platform_init = NetCenter_init,
 859         },
 860         /* Askey (and clones) */
 861         [RT210W] = {
 862                 .name           = "Askey RT210W",
 863                 .buttons        = {
 864                         /* Power button is hard-wired to hardware reset */
 865                         /* but is also connected to GPIO 7 (probably for bootloader recovery)  */
 866                         { .name = "power",      .gpio = 1 << 7},
 867                 },
 868                 .leds           = {
 869                         /* These were verified and named based on Belkin F5D4230-4 v1112 */
 870                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
 871                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 872                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 873                 },
 874         },
 875         [WL1600GL] = {
 876                 .name           = "OvisLink WL-1600GL",
 877                 .buttons        = {
 878                         { .name = "reset",      .gpio = 1 << 3 },
 879                         { .name = "ses",        .gpio = 1 << 4 },
 880                 },
 881                 .leds           = {
 882                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 883                         { .name = "wps",        .gpio = 1 << 2, .polarity = REVERSE },
 884                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 885                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
 886                 },
 887         },
 888         /* Microsoft */
 889         [MN700] = {
 890                 .name   = "Microsoft MN-700",
 891                 .buttons        = {
 892                         { .name = "reset",      .gpio = 1 << 7 },
 893                 },
 894                 .leds     = {
 895                         { .name = "power",      .gpio = 1 << 6, .polarity = NORMAL },
 896                 },
 897         },
 898 };
 899
 900 static struct platform_t __init *platform_detect(void)
 901 {
 902         char *boardnum, *boardtype, *buf;
 903
 904         if (strcmp(getvar("nvram_type"), "cfe") == 0)
 905                 return &platforms[WGT634U];
 906
 907         /* Look for a model identifier */
 908
 909         /* Based on "model_name" */
 910         if ((buf = nvram_get("model_name"))) {
 911                 if (!strcmp(buf, "DIR-130"))
 912                         return &platforms[DIR130];
 913                 if (!strcmp(buf, "DIR-330"))
 914                         return &platforms[DIR330];
 915         }
 916
 917         /* Based on "wsc_modelname */
 918         if ((buf = nvram_get("wsc_modelname"))) {
 919                 if (!strcmp(buf, "WRT610N"))
 920                         return &platforms[WRT610N];
 921         }
 922
 923         /* Based on "model_no" */
 924         if ((buf = nvram_get("model_no"))) {
 925                 if (startswith(buf,"WL700")) /* WL700* */
 926                         return &platforms[WL700GE];
 927         }
 928
 929         /* Based on "hardware_version" */
 930         if ((buf = nvram_get("hardware_version"))) {
 931                 if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
 932                         return &platforms[WL500GPV2];
 933                 if (startswith(buf,"WL520GC-")) /* WL520GU-* */
 934                         return &platforms[WL520GC];
 935                 if (startswith(buf,"WL520GU-")) /* WL520GU-* */
 936                         return &platforms[WL520GU];
 937                 if (startswith(buf,"WL330GE-")) /* WL330GE-* */
 938                         return &platforms[WL330GE];
 939         }
 940
 941         /* Based on "ModelId" */
 942         if ((buf = nvram_get("ModelId"))) {
 943                 if (!strcmp(buf, "WR850GP"))
 944                         return &platforms[WR850GP];
 945                 if (!strcmp(buf, "WR850G"))
 946                         return &platforms[WR850GV2V3];
 947                 if (!strcmp(buf, "WX-5565") && !strcmp(getvar("boardtype"),"bcm94710ap"))
 948                         return &platforms[TM2300]; /* Dell TrueMobile 2300 */
 949                 if (startswith(buf,"WE800G")) /* WE800G* */
 950                         return &platforms[WE800G];
 951         }
 952
 953         /* Buffalo */
 954         if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
 955                 /* Buffalo hardware, check id for specific hardware matches */
 956                 if (!strcmp(buf, "29bb0332"))
 957                         return &platforms[WBR2_G54];
 958                 if (!strcmp(buf, "29129"))
 959                         return &platforms[WLA2_G54L];
 960                 if (!strcmp(buf, "30189"))
 961                         return &platforms[WHR_HP_G54];
 962                 if (!strcmp(buf, "32093"))
 963                         return &platforms[WHR_G125];
 964                 if (!strcmp(buf, "30182"))
 965                         return &platforms[WHR_G54S];
 966                 if (!strcmp(buf, "290441dd"))
 967                         return &platforms[WHR2_A54G54];
 968                 if (!strcmp(buf, "31120"))
 969                         return &platforms[WZR_G300N];
 970                 if (!strcmp(buf, "30083"))
 971                         return &platforms[WZR_RS_G54];
 972                 if (!strcmp(buf, "30103"))
 973                         return &platforms[WZR_RS_G54HP];
 974         }
 975
 976         /* no easy model number, attempt to guess */
 977         boardnum = getvar("boardnum");
 978         boardtype = getvar("boardtype");
 979
 980         if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N  v1/V1.1 */
 981                 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
 982                         return &platforms[WRT600NV11];
 983
 984         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
 985                         return &platforms[WRT600N];
 986         }
 987
 988         if (startswith(getvar("pmon_ver"), "CFE")) {
 989                 /* CFE based - newer hardware */
 990                 if (!strcmp(boardnum, "42")) { /* Linksys */
 991                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("boot_hw_model"), "WRT300N") && !strcmp(getvar("boot_hw_ver"), "1.1"))
 992                                 return &platforms[WRT300NV11];
 993
 994                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
 995                                 return &platforms[WRT350N];
 996
 997                         if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
 998                                 return &platforms[WRT54G3G];
 999
1000                         if (!strcmp(boardtype, "0x042f") && !strcmp(getvar("model_name"), "WRT54G3GV2-VF"))
1001                                 return &platforms[WRT54G3GV2_VF];
1002
1003                         if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
1004                                 return &platforms[WRTSL54GS];
1005
1006                         if (!strcmp(boardtype, "0x0472"))
1007                                 return &platforms[WRT160N];
1008
1009                         /* default to WRT54G */
1010                         return &platforms[WRT54G];
1011                 }
1012                 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
1013                         return &platforms[WAP54GV2];
1014
1015                 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
1016                         return &platforms[WL1600GL];
1017
1018
1019                 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1020                         if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1021                                 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1022                 }
1023
1024                 if (!strcmp(boardnum, "45")) { /* ASUS */
1025                         if (!strcmp(boardtype,"0x042f"))
1026                                 return &platforms[WL500GP];
1027                         else if (!strcmp(boardtype,"0x0472"))
1028                                 return &platforms[WL500W];
1029                         else if (!strcmp(boardtype,"0x467"))
1030                                 return &platforms[WL320GE];
1031                         else
1032                                 return &platforms[WL500GD];
1033                 }
1034
1035                 if (!strcmp(boardnum, "10496"))
1036                         return &platforms[USR5461];
1037
1038                 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1039                         return &platforms[SE505V2];
1040
1041                 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1042                                 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1043                         return &platforms[DIR320];
1044
1045                 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1046                         return &platforms[WDNetCenter];
1047                 }
1048
1049                 if ((!strcmp(boardnum, "08") || !strcmp(boardnum, "01")) &&
1050                                 !strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B  V1 and V2*/
1051                         /* TODO: Check for version. Default platform is V2 for now. */
1052                         return &platforms[WNR834BV2];
1053                 }
1054
1055         } else { /* PMON based - old stuff */
1056                 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1057                         (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1058                         return &platforms[WR850GV1];
1059                 }
1060                 if (startswith(boardtype, "bcm94710dev")) {
1061                         if (!strcmp(boardnum, "42"))
1062                                 return &platforms[WRT54GV1];
1063                         if (simple_strtoul(boardnum, NULL, 0) == 2)
1064                                 return &platforms[WAP54GV1];
1065                 }
1066                 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1067                 if (startswith(getvar("hardware_version"), "WL500-")) {
1068                         if (!strcmp(getvar("boardnum"), "mn700"))
1069                                 return &platforms[MN700];
1070                         else
1071                                 return &platforms[WL500G];
1072                 }
1073                 if (startswith(getvar("hardware_version"), "WL300-")) {
1074                         /* Either WL-300g or WL-HDD, do more extensive checks */
1075                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1076                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
1077                                 return &platforms[WLHDD];
1078                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1079                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
1080                                 return &platforms[WL300G];
1081                 }
1082                 /* Sitecom WL-105b */
1083                 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1084                         return &platforms[WL105B];
1085
1086                 /* unknown asus stuff, probably bcm4702 */
1087                 if (startswith(boardnum, "asusX"))
1088                         return &platforms[ASUS_4702];
1089
1090                 /* bcm4702 based Askey RT210W clones, Including:
1091                  * Askey RT210W (duh?)
1092                  * Siemens SE505v1
1093                  * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1094                  */
1095                 if (!strcmp(boardtype,"bcm94710r4")
1096                  && !strcmp(boardnum ,"100")
1097                  && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1098                    ){
1099                         return &platforms[RT210W];
1100                 }
1101         }
1102
1103         if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
1104                 if (startswith(boardtype, "bcm94710ap"))
1105                         return &platforms[BUFFALO_UNKNOWN_4710];
1106                 else
1107                         return &platforms[BUFFALO_UNKNOWN];
1108         }
1109
1110         if (startswith(getvar("CFEver"), "MotoWRv2") ||
1111                 startswith(getvar("CFEver"), "MotoWRv3") ||
1112                 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1113
1114                 return &platforms[WR850GV2V3];
1115         }
1116
1117         if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) {  /* Trendware TEW-411BRP+ */
1118                 return &platforms[TEW411BRPP];
1119         }
1120
1121         if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
1122                 return &platforms[STI_NAS];
1123
1124         if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1125                 return &platforms[DWL3150];
1126
1127         /* not found */
1128         return NULL;
1129 }
1130
1131 static void register_buttons(struct button_t *b)
1132 {
1133         for (; b->name; b++)
1134                 platform.button_mask |= b->gpio;
1135
1136         platform.button_mask &= ~gpiomask;
1137
1138         gpio_outen(platform.button_mask, 0);
1139         gpio_control(platform.button_mask, 0);
1140         platform.button_polarity = gpio_in() & platform.button_mask;
1141         gpio_intpolarity(platform.button_mask, platform.button_polarity);
1142         gpio_setintmask(platform.button_mask, platform.button_mask);
1143
1144         gpio_set_irqenable(1, button_handler);
1145 }
1146
1147 static void unregister_buttons(struct button_t *b)
1148 {
1149         gpio_setintmask(platform.button_mask, 0);
1150
1151         gpio_set_irqenable(0, button_handler);
1152 }
1153
1154
1155 static void add_msg(struct event_t *event, char *msg, int argv)
1156 {
1157         char *s;
1158
1159         if (argv)
1160                 return;
1161
1162         s = skb_put(event->skb, strlen(msg) + 1);
1163         strcpy(s, msg);
1164 }
1165
1166 static void hotplug_button(struct work_struct *work)
1167 {
1168         struct event_t *event = container_of(work, struct event_t, wq);
1169         char *s;
1170
1171         event->skb = alloc_skb(2048, GFP_KERNEL);
1172
1173         s = skb_put(event->skb, strlen(event->action) + 2);
1174         sprintf(s, "%s@", event->action);
1175         fill_event(event);
1176
1177         NETLINK_CB(event->skb).dst_group = 1;
1178         broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
1179
1180         kfree(event);
1181 }
1182
1183
1184 static int fill_event (struct event_t *event)
1185 {
1186         static char buf[128];
1187
1188         add_msg(event, "HOME=/", 0);
1189         add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1190         add_msg(event, "SUBSYSTEM=button", 0);
1191         snprintf(buf, 128, "ACTION=%s", event->action);
1192         add_msg(event, buf, 0);
1193         snprintf(buf, 128, "BUTTON=%s", event->name);
1194         add_msg(event, buf, 0);
1195         snprintf(buf, 128, "SEEN=%ld", event->seen);
1196         add_msg(event, buf, 0);
1197         snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1198         add_msg(event, buf, 0);
1199
1200         return 0;
1201 }
1202
1203
1204 static irqreturn_t button_handler(int irq, void *dev_id)
1205 {
1206         struct button_t *b;
1207         u32 in, changed;
1208
1209         in = gpio_in() & platform.button_mask;
1210         gpio_intpolarity(platform.button_mask, in);
1211         changed = platform.button_polarity ^ in;
1212         platform.button_polarity = in;
1213
1214         changed &= ~gpio_outen(0, 0);
1215
1216         for (b = platform.buttons; b->name; b++) {
1217                 struct event_t *event;
1218
1219                 if (!(b->gpio & changed)) continue;
1220
1221                 b->pressed ^= 1;
1222
1223                 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1224                         event->seen = (jiffies - b->seen)/HZ;
1225                         event->name = b->name;
1226                         event->action = b->pressed ? "pressed" : "released";
1227                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1228                         schedule_work(&event->wq);
1229                 }
1230
1231                 b->seen = jiffies;
1232         }
1233         return IRQ_HANDLED;
1234 }
1235
1236 static void register_leds(struct led_t *l)
1237 {
1238         struct proc_dir_entry *p;
1239         u32 mask = 0;
1240         u32 oe_mask = 0;
1241         u32 val = 0;
1242
1243         leds = proc_mkdir("led", diag);
1244         if (!leds)
1245                 return;
1246
1247         for(; l->name; l++) {
1248                 if (l->gpio & gpiomask)
1249                         continue;
1250
1251                 if (l->gpio & GPIO_TYPE_EXTIF) {
1252                         l->state = 0;
1253                         set_led_extif(l);
1254                 } else {
1255                         if (l->polarity != INPUT) oe_mask |= l->gpio;
1256                         mask |= l->gpio;
1257                         val |= (l->polarity == NORMAL)?0:l->gpio;
1258                 }
1259
1260                 if (l->polarity == INPUT) continue;
1261
1262                 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1263                         l->proc.type = PROC_LED;
1264                         l->proc.ptr = l;
1265                         p->data = (void *) &l->proc;
1266                         p->proc_fops = &diag_proc_fops;
1267                 }
1268         }
1269
1270         gpio_outen(mask, oe_mask);
1271         gpio_control(mask, 0);
1272         gpio_out(mask, val);
1273         gpio_setintmask(mask, 0);
1274 }
1275
1276 static void unregister_leds(struct led_t *l)
1277 {
1278         for(; l->name; l++)
1279                 remove_proc_entry(l->name, leds);
1280
1281         remove_proc_entry("led", diag);
1282 }
1283
1284 static void set_led_extif(struct led_t *led)
1285 {
1286         gpio_set_extif(led->gpio, led->state);
1287 }
1288
1289 static void led_flash(unsigned long dummy) {
1290         struct led_t *l;
1291         u32 mask = 0;
1292         u8 extif_blink = 0;
1293
1294         for (l = platform.leds; l->name; l++) {
1295                 if (l->flash) {
1296                         if (l->gpio & GPIO_TYPE_EXTIF) {
1297                                 extif_blink = 1;
1298                                 l->state = !l->state;
1299                                 set_led_extif(l);
1300                         } else {
1301                                 mask |= l->gpio;
1302                         }
1303                 }
1304         }
1305
1306         mask &= ~gpiomask;
1307         if (mask) {
1308                 u32 val = ~gpio_in();
1309
1310                 gpio_outen(mask, mask);
1311                 gpio_control(mask, 0);
1312                 gpio_out(mask, val);
1313         }
1314         if (mask || extif_blink) {
1315                 mod_timer(&led_timer, jiffies + FLASH_TIME);
1316         }
1317 }
1318
1319 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1320 {
1321         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1322         char *page;
1323         int len = 0;
1324
1325         if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1326                 return -ENOBUFS;
1327
1328         if (dent->data != NULL) {
1329                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1330                 switch (handler->type) {
1331                         case PROC_LED: {
1332                                 struct led_t * led = (struct led_t *) handler->ptr;
1333                                 if (led->flash) {
1334                                         len = sprintf(page, "f\n");
1335                                 } else {
1336                                         if (led->gpio & GPIO_TYPE_EXTIF) {
1337                                                 len = sprintf(page, "%d\n", led->state);
1338                                         } else {
1339                                                 u32 in = (gpio_in() & led->gpio ? 1 : 0);
1340                                                 u8 p = (led->polarity == NORMAL ? 0 : 1);
1341                                                 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1342                                         }
1343                                 }
1344                                 break;
1345                         }
1346                         case PROC_MODEL:
1347                                 len = sprintf(page, "%s\n", platform.name);
1348                                 break;
1349                         case PROC_GPIOMASK:
1350                                 len = sprintf(page, "0x%04x\n", gpiomask);
1351                                 break;
1352                 }
1353         }
1354         len += 1;
1355
1356         if (*ppos < len) {
1357                 len = min_t(int, len - *ppos, count);
1358                 if (copy_to_user(buf, (page + *ppos), len)) {
1359                         kfree(page);
1360                         return -EFAULT;
1361                 }
1362                 *ppos += len;
1363         } else {
1364                 len = 0;
1365         }
1366
1367         kfree(page);
1368         return len;
1369 }
1370
1371
1372 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1373 {
1374         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1375         char *page;
1376         int ret = -EINVAL;
1377
1378         if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1379                 return -ENOBUFS;
1380
1381         if (copy_from_user(page, buf, count)) {
1382                 kfree(page);
1383                 return -EINVAL;
1384         }
1385         page[count] = 0;
1386
1387         if (dent->data != NULL) {
1388                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1389                 switch (handler->type) {
1390                         case PROC_LED: {
1391                                 struct led_t *led = (struct led_t *) handler->ptr;
1392                                 int p = (led->polarity == NORMAL ? 0 : 1);
1393
1394                                 if (page[0] == 'f') {
1395                                         led->flash = 1;
1396                                         led_flash(0);
1397                                 } else {
1398                                         led->flash = 0;
1399                                         if (led->gpio & GPIO_TYPE_EXTIF) {
1400                                                 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1401                                                 set_led_extif(led);
1402                                         } else {
1403                                                 gpio_outen(led->gpio, led->gpio);
1404                                                 gpio_control(led->gpio, 0);
1405                                                 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1406                                         }
1407                                 }
1408                                 break;
1409                         }
1410                         case PROC_GPIOMASK:
1411                                 gpiomask = simple_strtoul(page, NULL, 0);
1412
1413                                 if (platform.buttons) {
1414                                         unregister_buttons(platform.buttons);
1415                                         register_buttons(platform.buttons);
1416                                 }
1417
1418                                 if (platform.leds) {
1419                                         unregister_leds(platform.leds);
1420                                         register_leds(platform.leds);
1421                                 }
1422                                 break;
1423                 }
1424                 ret = count;
1425         }
1426
1427         kfree(page);
1428         return ret;
1429 }
1430
1431 static int __init diag_init(void)
1432 {
1433         static struct proc_dir_entry *p;
1434         static struct platform_t *detected;
1435
1436         detected = platform_detect();
1437         if (!detected) {
1438                 printk(MODULE_NAME ": Router model not detected.\n");
1439                 return -ENODEV;
1440         }
1441         memcpy(&platform, detected, sizeof(struct platform_t));
1442
1443         printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1444         if (platform.platform_init != NULL) {
1445                 platform.platform_init();
1446         }
1447
1448         if (!(diag = proc_mkdir("diag", NULL))) {
1449                 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1450                 return -EINVAL;
1451         }
1452
1453         if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1454                 p->data = (void *) &proc_model;
1455                 p->proc_fops = &diag_proc_fops;
1456         }
1457
1458         if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1459                 p->data = (void *) &proc_gpiomask;
1460                 p->proc_fops = &diag_proc_fops;
1461         }
1462
1463         if (platform.buttons)
1464                 register_buttons(platform.buttons);
1465
1466         if (platform.leds)
1467                 register_leds(platform.leds);
1468
1469         return 0;
1470 }
1471
1472 static void __exit diag_exit(void)
1473 {
1474         del_timer(&led_timer);
1475
1476         if (platform.buttons)
1477                 unregister_buttons(platform.buttons);
1478
1479         if (platform.leds)
1480                 unregister_leds(platform.leds);
1481
1482         remove_proc_entry("model", diag);
1483         remove_proc_entry("gpiomask", diag);
1484         remove_proc_entry("diag", NULL);
1485 }
1486
1487 module_init(diag_init);
1488 module_exit(diag_exit);
1489
1490 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1491 MODULE_LICENSE("GPL");