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  *                    Felix Fietkau <nbd@openwrt.org>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version 2
  10  * of the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  20  *
  21  * $Id$
  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 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
  32 #include <linux/kobject.h>
  33 #include <linux/workqueue.h>
  34 #define hotplug_path uevent_helper
  35 #else
  36 #include <linux/tqueue.h>
  37 #define INIT_WORK INIT_TQUEUE
  38 #define schedule_work schedule_task
  39 #define work_struct tq_struct
  40 #endif
  41
  42 #include "gpio.h"
  43 #include "diag.h"
  44 #define getvar(str) (nvram_get(str)?:"")
  45
  46 static unsigned int gpiomask = 0;
  47 module_param(gpiomask, int, 0644);
  48
  49 enum {
  50         /* Linksys */
  51         WAP54GV1,
  52         WAP54GV3,
  53         WRT54GV1,
  54         WRT54G,
  55         WRTSL54GS,
  56         WRT54G3G,
  57         WRT350N,
  58
  59         /* ASUS */
  60         WLHDD,
  61         WL300G,
  62         WL500G,
  63         WL500GD,
  64         WL500GP,
  65         WL500W,
  66         ASUS_4702,
  67         WL700GE,
  68
  69         /* Buffalo */
  70         WBR2_G54,
  71         WHR_G54S,
  72         WHR_HP_G54,
  73         WHR2_A54G54,
  74         WLA2_G54L,
  75         WZR_G300N,
  76         WZR_RS_G54,
  77         WZR_RS_G54HP,
  78         BUFFALO_UNKNOWN,
  79         BUFFALO_UNKNOWN_4710,
  80
  81         /* Siemens */
  82         SE505V1,
  83         SE505V2,
  84
  85         /* US Robotics */
  86         USR5461,
  87
  88         /* Dell */
  89         TM2300,
  90
  91         /* Motorola */
  92         WE800G,
  93         WR850GV1,
  94         WR850GV2V3,
  95
  96         /* Belkin */
  97         BELKIN_UNKNOWN,
  98
  99         /* Netgear */
 100         WGT634U,
 101
 102         /* Trendware */
 103         TEW411BRPP,
 104
 105         /* SimpleTech */
 106         STI_NAS,
 107
 108         /* D-Link */
 109         DIR130,
 110         DIR330,
 111 };
 112
 113 static void __init bcm4780_init(void) {
 114                 int pin = 1 << 3;
 115
 116                 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
 117                 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
 118                 gpio_outen(pin, pin);
 119                 gpio_control(pin, 0);
 120                 gpio_out(pin, pin);
 121
 122                 /* Wait 5s, so the HDD can spin up */
 123                 set_current_state(TASK_INTERRUPTIBLE);
 124                 schedule_timeout(HZ * 5);
 125 }
 126
 127 static struct platform_t __initdata platforms[] = {
 128         /* Linksys */
 129         [WAP54GV1] = {
 130                 .name           = "Linksys WAP54G V1",
 131                 .buttons        = {
 132                         { .name = "reset",      .gpio = 1 << 0 },
 133                 },
 134                 .leds           = {
 135                         { .name = "diag",       .gpio = 1 << 3 },
 136                         { .name = "wlan",       .gpio = 1 << 4 },
 137                 },
 138         },
 139         [WAP54GV3] = {
 140                 .name           = "Linksys WAP54G V3",
 141                 .buttons        = {
 142                         /* FIXME: verify this */
 143                         { .name = "reset",      .gpio = 1 << 7 },
 144                         { .name = "ses",        .gpio = 1 << 0 },
 145                 },
 146                 .leds           = {
 147                         /* FIXME: diag? */
 148                         { .name = "ses",        .gpio = 1 << 1 },
 149                 },
 150         },
 151         [WRT54GV1] = {
 152                 .name           = "Linksys WRT54G V1.x",
 153                 .buttons        = {
 154                         { .name = "reset",      .gpio = 1 << 6 },
 155                 },
 156                 .leds           = {
 157                         { .name = "diag",       .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 158                         { .name = "dmz",        .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 159                 },
 160         },
 161         [WRT54G] = {
 162                 .name           = "Linksys WRT54G/GS/GL",
 163                 .buttons        = {
 164                         { .name = "reset",      .gpio = 1 << 6 },
 165                         { .name = "ses",        .gpio = 1 << 4 },
 166                 },
 167                 .leds           = {
 168                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 169                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 170                         { .name = "ses_white",  .gpio = 1 << 2, .polarity = REVERSE },
 171                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 172                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 173                 },
 174         },
 175         [WRTSL54GS] = {
 176                 .name           = "Linksys WRTSL54GS",
 177                 .buttons        = {
 178                         { .name = "reset",      .gpio = 1 << 6 },
 179                         { .name = "ses",        .gpio = 1 << 4 },
 180                 },
 181                 .leds           = {
 182                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 183                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },
 184                         { .name = "ses_white",  .gpio = 1 << 5, .polarity = REVERSE },
 185                         { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
 186                 },
 187         },
 188         [WRT54G3G] = {
 189                 .name           = "Linksys WRT54G3G",
 190                 .buttons        = {
 191                         { .name = "reset",      .gpio = 1 << 6 },
 192                         { .name = "3g",         .gpio = 1 << 4 },
 193                 },
 194                 .leds           = {
 195                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 196                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 197                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 198                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 199                         { .name = "3g_blink",   .gpio = 1 << 5, .polarity = NORMAL },
 200                 },
 201         },
 202         [WRT350N] = {
 203                 .name           = "Linksys WRT350N",
 204                 .buttons        = {
 205                         { .name = "reset",      .gpio = 1 << 6 },
 206                         { .name = "ses",        .gpio = 1 << 8 },
 207                 },
 208                 .leds           = {
 209                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 210                         { .name = "ses",        .gpio = 1 << 3, .polarity = REVERSE },
 211                 },
 212         },
 213         /* Asus */
 214         [WLHDD] = {
 215                 .name           = "ASUS WL-HDD",
 216                 .buttons        = {
 217                         { .name = "reset",      .gpio = 1 << 6 },
 218                 },
 219                 .leds           = {
 220                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 221                         { .name = "usb",        .gpio = 1 << 2, .polarity = NORMAL },
 222                 },
 223         },
 224         [WL300G] = {
 225                 .name           = "ASUS WL-300g",
 226                 .buttons        = {
 227                         { .name = "reset",      .gpio = 1 << 6 },
 228                 },
 229                 .leds           = {
 230                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 231                 },
 232         },
 233         [WL500G] = {
 234                 .name           = "ASUS WL-500g",
 235                 .buttons        = {
 236                         { .name = "reset",      .gpio = 1 << 6 },
 237                 },
 238                 .leds           = {
 239                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 240                 },
 241         },
 242         [WL500GD] = {
 243                 .name           = "ASUS WL-500g Deluxe",
 244                 .buttons        = {
 245                         { .name = "reset",      .gpio = 1 << 6 },
 246                 },
 247                 .leds           = {
 248                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 249                 },
 250         },
 251         [WL500GP] = {
 252                 .name           = "ASUS WL-500g Premium",
 253                 .buttons        = {
 254                         { .name = "reset",      .gpio = 1 << 0 },
 255                         { .name = "ses",        .gpio = 1 << 4 },
 256                 },
 257                 .leds           = {
 258                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 259                 },
 260         },
 261         [WL500W] = {
 262                 .name           = "ASUS WL-500W",
 263                 .buttons        = {
 264                         { .name = "reset",      .gpio = 1 << 6 },
 265                         { .name = "ses",        .gpio = 1 << 7 },
 266                 },
 267                 .leds           = {
 268                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 269                 },
 270         },
 271         [ASUS_4702] = {
 272                 .name           = "ASUS (unknown, BCM4702)",
 273                 .buttons        = {
 274                         { .name = "reset",      .gpio = 1 << 6 },
 275                 },
 276                 .leds           = {
 277                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 278                 },
 279         },
 280         [WL700GE] = {
 281                 .name           = "ASUS WL-700gE",
 282                 .buttons        = {
 283                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 284                         { .name = "ses",        .gpio = 1 << 4 }, // on back, actual name ezsetup
 285                         { .name = "power",      .gpio = 1 << 0 }, // on front
 286                         { .name = "copy",       .gpio = 1 << 6 }, // on front
 287                 },
 288                 .leds           = {
 289 #if 0
 290                         // GPIO that controls power led also enables/disables some essential functions
 291                         // - power to HDD
 292                         // - switch leds
 293                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },  // actual name power
 294 #endif
 295                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 296                 },
 297                 .platform_init = bcm4780_init,
 298         },
 299         /* Buffalo */
 300         [WHR_G54S] = {
 301                 .name           = "Buffalo WHR-G54S",
 302                 .buttons        = {
 303                         { .name = "reset",      .gpio = 1 << 4 },
 304                         { .name = "bridge",     .gpio = 1 << 5 },
 305                         { .name = "ses",        .gpio = 1 << 0 },
 306                 },
 307                 .leds           = {
 308                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 309                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 310                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 311                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 312                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 313                 },
 314         },
 315         [WBR2_G54] = {
 316                 .name           = "Buffalo WBR2-G54",
 317                 /* FIXME: verify */
 318                 .buttons        = {
 319                         { .name = "reset",      .gpio = 1 << 7 },
 320                 },
 321                 .leds           = {
 322                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 323                 },
 324         },
 325         [WHR_HP_G54] = {
 326                 .name           = "Buffalo WHR-HP-G54",
 327                 .buttons        = {
 328                         { .name = "reset",      .gpio = 1 << 4 },
 329                         { .name = "bridge",     .gpio = 1 << 5 },
 330                         { .name = "ses",        .gpio = 1 << 0 },
 331                 },
 332                 .leds           = {
 333                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 334                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 335                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 336                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 337                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 338                 },
 339         },
 340         [WHR2_A54G54] = {
 341                 .name           = "Buffalo WHR2-A54G54",
 342                 .buttons        = {
 343                         { .name = "reset",      .gpio = 1 << 4 },
 344                 },
 345                 .leds           = {
 346                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 347                 },
 348         },
 349         [WLA2_G54L] = {
 350                 .name           = "Buffalo WLA2-G54L",
 351                 /* FIXME: verify */
 352                 .buttons        = {
 353                         { .name = "reset",      .gpio = 1 << 7 },
 354                 },
 355                 .leds           = {
 356                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 357                 },
 358         },
 359         [WZR_G300N] = {
 360                 .name           = "Buffalo WZR-G300N",
 361                 .buttons        = {
 362                         { .name = "reset",      .gpio = 1 << 4 },
 363                 },
 364                 .leds           = {
 365                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 366                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 367                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 368                 },
 369         },
 370         [WZR_RS_G54] = {
 371                 .name           = "Buffalo WZR-RS-G54",
 372                 .buttons        = {
 373                         { .name = "ses",        .gpio = 1 << 0 },
 374                         { .name = "reset",      .gpio = 1 << 4 },
 375                 },
 376                 .leds           = {
 377                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 378                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 379                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 380                 },
 381         },
 382         [WZR_RS_G54HP] = {
 383                 .name           = "Buffalo WZR-RS-G54HP",
 384                 .buttons        = {
 385                         { .name = "ses",        .gpio = 1 << 0 },
 386                         { .name = "reset",      .gpio = 1 << 4 },
 387                 },
 388                 .leds           = {
 389                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 390                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 391                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 392                 },
 393         },
 394         [BUFFALO_UNKNOWN] = {
 395                 .name           = "Buffalo (unknown)",
 396                 .buttons        = {
 397                         { .name = "reset",      .gpio = 1 << 7 },
 398                 },
 399                 .leds           = {
 400                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 401                 },
 402         },
 403         [BUFFALO_UNKNOWN_4710] = {
 404                 .name           = "Buffalo (unknown, BCM4710)",
 405                 .buttons        = {
 406                         { .name = "reset",      .gpio = 1 << 4 },
 407                 },
 408                 .leds           = {
 409                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 410                 },
 411         },
 412         /* Siemens */
 413         [SE505V1] = {
 414                 .name           = "Siemens SE505 V1",
 415                 .buttons        = {
 416                         /* No usable buttons */
 417                 },
 418                 .leds           = {
 419                         { .name = "dmz",        .gpio = 1 << 4, .polarity = REVERSE },
 420                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 421                 },
 422         },
 423         [SE505V2] = {
 424                 .name           = "Siemens SE505 V2",
 425                 .buttons        = {
 426                         /* No usable buttons */
 427                 },
 428                 .leds           = {
 429                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 430                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },
 431                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 432                 },
 433         },
 434         /* US Robotics */
 435         [USR5461] = {
 436                 .name           = "U.S. Robotics USR5461",
 437                 .buttons        = {
 438                         /* No usable buttons */
 439                 },
 440                 .leds           = {
 441                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 442                         { .name = "printer",    .gpio = 1 << 1, .polarity = REVERSE },
 443                 },
 444         },
 445         /* Dell */
 446         [TM2300] = {
 447                 .name           = "Dell TrueMobile 2300",
 448                 .buttons        = {
 449                         { .name = "reset",      .gpio = 1 << 0 },
 450                 },
 451                 .leds           = {
 452                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 453                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 454                 },
 455         },
 456         /* Motorola */
 457         [WE800G] = {
 458                 .name           = "Motorola WE800G",
 459                 .buttons        = {
 460                         { .name = "reset",      .gpio = 1 << 0 },
 461                 },
 462                 .leds           = {
 463                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 464                         { .name = "diag",       .gpio = 1 << 2, .polarity = REVERSE },
 465                         { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
 466                 },
 467         },
 468         [WR850GV1] = {
 469                 .name           = "Motorola WR850G V1",
 470                 .buttons        = {
 471                         { .name = "reset",      .gpio = 1 << 0 },
 472                 },
 473                 .leds           = {
 474                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 475                         { .name = "diag",       .gpio = 1 << 3, .polarity = REVERSE },
 476                         { .name = "dmz",        .gpio = 1 << 6, .polarity = NORMAL },
 477                         { .name = "wlan_red",   .gpio = 1 << 5, .polarity = REVERSE },
 478                         { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
 479                 },
 480         },
 481         [WR850GV2V3] = {
 482                 .name           = "Motorola WR850G V2/V3",
 483                 .buttons        = {
 484                         { .name = "reset",      .gpio = 1 << 5 },
 485                 },
 486                 .leds           = {
 487                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 488                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 489                         { .name = "dmz",        .gpio = 1 << 6, .polarity = REVERSE },
 490                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 491                 },
 492         },
 493         /* Belkin */
 494         [BELKIN_UNKNOWN] = {
 495                 .name           = "Belkin (unknown)",
 496                 /* FIXME: verify & add detection */
 497                 .buttons        = {
 498                         { .name = "reset",      .gpio = 1 << 7 },
 499                 },
 500                 .leds           = {
 501                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },
 502                         { .name = "wlan",       .gpio = 1 << 3, .polarity = NORMAL },
 503                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
 504                 },
 505         },
 506         /* Netgear */
 507         [WGT634U] = {
 508                 .name           = "Netgear WGT634U",
 509                 .buttons        = {
 510                         { .name = "reset",      .gpio = 1 << 2 },
 511                 },
 512                 .leds           = {
 513                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
 514                 },
 515         },
 516         /* Trendware */
 517         [TEW411BRPP] = {
 518                 .name           = "Trendware TEW411BRP+",
 519                 .buttons        = {
 520                         { /* No usable buttons */ },
 521                 },
 522                 .leds           = {
 523                         { .name = "power",      .gpio = 1 << 7, .polarity = NORMAL },
 524                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },
 525                         { .name = "bridge",     .gpio = 1 << 6, .polarity = NORMAL },
 526                 },
 527         },
 528         /* SimpleTech */
 529         [STI_NAS] = {
 530                 .name      = "SimpleTech SimpleShare NAS",
 531                 .buttons        = {
 532                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 533                         { .name = "power",      .gpio = 1 << 0 }, // on back
 534                 },
 535                 .leds      = {
 536                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 537                 },
 538                 .platform_init = bcm4780_init,
 539         },
 540         /* D-Link */
 541         [DIR130] = {
 542                 .name     = "D-Link DIR-130",
 543                 .buttons        = {
 544                         { .name = "reset",      .gpio = 1 << 3},
 545                         { .name = "reserved",   .gpio = 1 << 7},
 546                 },
 547                 .leds      = {
 548                         { .name = "diag",       .gpio = 1 << 0},
 549                         { .name = "blue",       .gpio = 1 << 6},
 550                 },
 551         },
 552         [DIR330] = {
 553                 .name     = "D-Link DIR-330",
 554                 .buttons        = {
 555                         { .name = "reset",      .gpio = 1 << 3},
 556                         { .name = "reserved",   .gpio = 1 << 7},
 557                 },
 558                 .leds      = {
 559                         { .name = "diag",       .gpio = 1 << 0},
 560                         { .name = "usb",        .gpio = 1 << 4},
 561                         { .name = "blue",       .gpio = 1 << 6},
 562                 },
 563         },
 564 };
 565
 566 static struct platform_t __init *platform_detect(void)
 567 {
 568         char *boardnum, *boardtype, *buf;
 569
 570         boardnum = getvar("boardnum");
 571         boardtype = getvar("boardtype");
 572
 573         if (strcmp(getvar("nvram_type"), "cfe") == 0)
 574                 return &platforms[WGT634U];
 575
 576         if (strncmp(getvar("model_no"), "WL700",5) == 0)
 577                 return &platforms[WL700GE];
 578
 579         if (strncmp(getvar("pmon_ver"), "CFE", 3) == 0) {
 580                 /* CFE based - newer hardware */
 581                 if (!strcmp(boardnum, "42")) { /* Linksys */
 582                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
 583                                 return &platforms[WRT350N];
 584
 585                         if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
 586                                 return &platforms[WRT54G3G];
 587
 588                         if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
 589                                 return &platforms[WRTSL54GS];
 590
 591                         /* default to WRT54G */
 592                         return &platforms[WRT54G];
 593                 }
 594
 595                 if (!strcmp(boardnum, "45")) { /* ASUS */
 596                         if (!strcmp(boardtype,"0x042f"))
 597                                 return &platforms[WL500GP];
 598                         else if (!strcmp(boardtype,"0x0472"))
 599                                 return &platforms[WL500W];
 600                         else
 601                                 return &platforms[WL500GD];
 602                 }
 603
 604                 if (!strcmp(boardnum, "10496"))
 605                         return &platforms[USR5461];
 606
 607                 /* D-Link */
 608                 if (!strcmp(getvar("model_name"), "DIR-130"))
 609                         return &platforms[DIR130];
 610                 if (!strcmp(getvar("model_name"), "DIR-330"))
 611                         return &platforms[DIR330];
 612
 613         } else { /* PMON based - old stuff */
 614
 615                 /* Dell TrueMobile 2300 */
 616                 if (!strcmp(getvar("ModelId"),"WX-5565"))
 617                         return &platforms[TM2300];
 618
 619                 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
 620                         (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
 621                         if (!strncmp(getvar("ModelId"),"WE800G", 6))
 622                                 return &platforms[WE800G];
 623                         else
 624                                 return &platforms[WR850GV1];
 625                 }
 626                 if (!strncmp(boardtype, "bcm94710dev", 11)) {
 627                         if (!strcmp(boardnum, "42"))
 628                                 return &platforms[WRT54GV1];
 629                         if (simple_strtoul(boardnum, NULL, 0) == 2)
 630                                 return &platforms[WAP54GV1];
 631                 }
 632                 if (!strncmp(getvar("hardware_version"), "WL500-", 6))
 633                         return &platforms[WL500G];
 634                 if (!strncmp(getvar("hardware_version"), "WL300-", 6)) {
 635                         /* Either WL-300g or WL-HDD, do more extensive checks */
 636                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
 637                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
 638                                 return &platforms[WLHDD];
 639                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
 640                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
 641                                 return &platforms[WL300G];
 642                 }
 643
 644                 /* unknown asus stuff, probably bcm4702 */
 645                 if (!strncmp(boardnum, "asusX", 5))
 646                         return &platforms[ASUS_4702];
 647         }
 648
 649         if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
 650                 /* Buffalo hardware, check id for specific hardware matches */
 651                 if (!strcmp(buf, "29bb0332"))
 652                         return &platforms[WBR2_G54];
 653                 if (!strcmp(buf, "29129"))
 654                         return &platforms[WLA2_G54L];
 655                 if (!strcmp(buf, "30189"))
 656                         return &platforms[WHR_HP_G54];
 657                 if (!strcmp(buf, "30182"))
 658                         return &platforms[WHR_G54S];
 659                 if (!strcmp(buf, "290441dd"))
 660                         return &platforms[WHR2_A54G54];
 661                 if (!strcmp(buf, "31120"))
 662                         return &platforms[WZR_G300N];
 663                 if (!strcmp(buf, "30083"))
 664                         return &platforms[WZR_RS_G54];
 665                 if (!strcmp(buf, "30103"))
 666                         return &platforms[WZR_RS_G54HP];
 667         }
 668
 669         if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
 670                 if (!strncmp(boardtype, "bcm94710ap", 10))
 671                         return &platforms[BUFFALO_UNKNOWN_4710];
 672                 else
 673                         return &platforms[BUFFALO_UNKNOWN];
 674         }
 675
 676         if (!strcmp(getvar("CFEver"), "MotoWRv203") ||
 677                 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
 678
 679                 return &platforms[WR850GV2V3];
 680         }
 681
 682         if (!strcmp(boardnum, "44")) {  /* Trendware TEW-411BRP+ */
 683                 return &platforms[TEW411BRPP];
 684         }
 685
 686         if (!strncmp(boardnum, "04FN52", 6)) /* SimpleTech SimpleShare */
 687                 return &platforms[STI_NAS];
 688
 689         /* not found */
 690         return NULL;
 691 }
 692
 693 static void register_buttons(struct button_t *b)
 694 {
 695         for (; b->name; b++)
 696                 platform.button_mask |= b->gpio;
 697
 698         platform.button_mask &= ~gpiomask;
 699
 700         gpio_outen(platform.button_mask, 0);
 701         gpio_control(platform.button_mask, 0);
 702         platform.button_polarity = gpio_in() & platform.button_mask;
 703         gpio_intpolarity(platform.button_mask, platform.button_polarity);
 704         gpio_intmask(platform.button_mask, platform.button_mask);
 705
 706         gpio_set_irqenable(1, button_handler);
 707 }
 708
 709 static void unregister_buttons(struct button_t *b)
 710 {
 711         gpio_intmask(platform.button_mask, 0);
 712
 713         gpio_set_irqenable(0, button_handler);
 714 }
 715
 716 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
 717 static void hotplug_button(struct work_struct *work)
 718 {
 719         struct event_t *event = container_of(work, struct event_t, wq);
 720 #else
 721 static void hotplug_button(struct event_t *event)
 722 {
 723 #endif
 724 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
 725         call_usermodehelper (event->argv[0], event->argv, event->envp, 1);
 726 #else
 727         call_usermodehelper (event->argv[0], event->argv, event->envp);
 728 #endif
 729         kfree(event);
 730 }
 731
 732 static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
 733 {
 734         struct button_t *b;
 735         u32 in, changed;
 736
 737         in = gpio_in() & platform.button_mask;
 738         gpio_intpolarity(platform.button_mask, in);
 739         changed = platform.button_polarity ^ in;
 740         platform.button_polarity = in;
 741
 742         changed &= ~gpio_outen(0, 0);
 743
 744         for (b = platform.buttons; b->name; b++) {
 745                 struct event_t *event;
 746
 747                 if (!(b->gpio & changed)) continue;
 748
 749                 b->pressed ^= 1;
 750
 751                 if ((event = (struct event_t *)kmalloc (sizeof(struct event_t), GFP_ATOMIC))) {
 752                         int i;
 753                         char *scratch = event->buf;
 754
 755                         i = 0;
 756                         event->argv[i++] = hotplug_path;
 757                         event->argv[i++] = "button";
 758                         event->argv[i] = 0;
 759
 760                         i = 0;
 761                         event->envp[i++] = "HOME=/";
 762                         event->envp[i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
 763                         event->envp[i++] = scratch;
 764                         scratch += sprintf (scratch, "ACTION=%s", b->pressed?"pressed":"released") + 1;
 765                         event->envp[i++] = scratch;
 766                         scratch += sprintf (scratch, "BUTTON=%s", b->name) + 1;
 767                         event->envp[i++] = scratch;
 768                         scratch += sprintf (scratch, "SEEN=%ld", (jiffies - b->seen)/HZ) + 1;
 769                         event->envp[i] = 0;
 770
 771 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
 772                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
 773 #else
 774                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
 775 #endif
 776                         schedule_work(&event->wq);
 777                 }
 778
 779                 b->seen = jiffies;
 780         }
 781         return IRQ_HANDLED;
 782 }
 783
 784 static void register_leds(struct led_t *l)
 785 {
 786         struct proc_dir_entry *p;
 787         u32 mask = 0;
 788         u32 val = 0;
 789
 790         leds = proc_mkdir("led", diag);
 791         if (!leds)
 792                 return;
 793
 794         for(; l->name; l++) {
 795                 if (l->gpio & gpiomask)
 796                         continue;
 797
 798                 if (l->gpio & GPIO_TYPE_EXTIF) {
 799                         l->state = 0;
 800                         set_led_extif(l);
 801                 } else {
 802                         mask |= l->gpio;
 803                         val |= (l->polarity == NORMAL)?0:l->gpio;
 804                 }
 805
 806                 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
 807                         l->proc.type = PROC_LED;
 808                         l->proc.ptr = l;
 809                         p->data = (void *) &l->proc;
 810                         p->proc_fops = &diag_proc_fops;
 811                 }
 812         }
 813
 814         gpio_outen(mask, mask);
 815         gpio_control(mask, 0);
 816         gpio_out(mask, val);
 817 }
 818
 819 static void unregister_leds(struct led_t *l)
 820 {
 821         for(; l->name; l++)
 822                 remove_proc_entry(l->name, leds);
 823
 824         remove_proc_entry("led", diag);
 825 }
 826
 827 static void set_led_extif(struct led_t *led)
 828 {
 829         gpio_set_extif(led->gpio, led->state);
 830 }
 831
 832 static void led_flash(unsigned long dummy) {
 833         struct led_t *l;
 834         u32 mask = 0;
 835         u8 extif_blink = 0;
 836
 837         for (l = platform.leds; l->name; l++) {
 838                 if (l->flash) {
 839                         if (l->gpio & GPIO_TYPE_EXTIF) {
 840                                 extif_blink = 1;
 841                                 l->state = !l->state;
 842                                 set_led_extif(l);
 843                         } else {
 844                                 mask |= l->gpio;
 845                         }
 846                 }
 847         }
 848
 849         mask &= ~gpiomask;
 850         if (mask) {
 851                 u32 val = ~gpio_in();
 852
 853                 gpio_outen(mask, mask);
 854                 gpio_control(mask, 0);
 855                 gpio_out(mask, val);
 856         }
 857         if (mask || extif_blink) {
 858                 mod_timer(&led_timer, jiffies + FLASH_TIME);
 859         }
 860 }
 861
 862 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
 863 {
 864 #ifdef LINUX_2_4
 865         struct inode *inode = file->f_dentry->d_inode;
 866         struct proc_dir_entry *dent = inode->u.generic_ip;
 867 #else
 868         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
 869 #endif
 870         char *page;
 871         int len = 0;
 872
 873         if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
 874                 return -ENOBUFS;
 875
 876         if (dent->data != NULL) {
 877                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
 878                 switch (handler->type) {
 879                         case PROC_LED: {
 880                                 struct led_t * led = (struct led_t *) handler->ptr;
 881                                 if (led->flash) {
 882                                         len = sprintf(page, "f\n");
 883                                 } else {
 884                                         if (led->gpio & GPIO_TYPE_EXTIF) {
 885                                                 len = sprintf(page, "%d\n", led->state);
 886                                         } else {
 887                                                 u32 in = (gpio_in() & led->gpio ? 1 : 0);
 888                                                 u8 p = (led->polarity == NORMAL ? 0 : 1);
 889                                                 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
 890                                         }
 891                                 }
 892                                 break;
 893                         }
 894                         case PROC_MODEL:
 895                                 len = sprintf(page, "%s\n", platform.name);
 896                                 break;
 897                         case PROC_GPIOMASK:
 898                                 len = sprintf(page, "0x%04x\n", gpiomask);
 899                                 break;
 900                 }
 901         }
 902         len += 1;
 903
 904         if (*ppos < len) {
 905                 len = min_t(int, len - *ppos, count);
 906                 if (copy_to_user(buf, (page + *ppos), len)) {
 907                         kfree(page);
 908                         return -EFAULT;
 909                 }
 910                 *ppos += len;
 911         } else {
 912                 len = 0;
 913         }
 914
 915         return len;
 916 }
 917
 918
 919 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
 920 {
 921 #ifdef LINUX_2_4
 922         struct inode *inode = file->f_dentry->d_inode;
 923         struct proc_dir_entry *dent = inode->u.generic_ip;
 924 #else
 925         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
 926 #endif
 927         char *page;
 928         int ret = -EINVAL;
 929
 930         if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
 931                 return -ENOBUFS;
 932
 933         if (copy_from_user(page, buf, count)) {
 934                 kfree(page);
 935                 return -EINVAL;
 936         }
 937         page[count] = 0;
 938
 939         if (dent->data != NULL) {
 940                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
 941                 switch (handler->type) {
 942                         case PROC_LED: {
 943                                 struct led_t *led = (struct led_t *) handler->ptr;
 944                                 int p = (led->polarity == NORMAL ? 0 : 1);
 945
 946                                 if (page[0] == 'f') {
 947                                         led->flash = 1;
 948                                         led_flash(0);
 949                                 } else {
 950                                         led->flash = 0;
 951                                         if (led->gpio & GPIO_TYPE_EXTIF) {
 952                                                 led->state = p ^ ((page[0] == '1') ? 1 : 0);
 953                                                 set_led_extif(led);
 954                                         } else {
 955                                                 gpio_outen(led->gpio, led->gpio);
 956                                                 gpio_control(led->gpio, 0);
 957                                                 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
 958                                         }
 959                                 }
 960                                 break;
 961                         }
 962                         case PROC_GPIOMASK:
 963                                 gpiomask = simple_strtoul(page, NULL, 0);
 964
 965                                 if (platform.buttons) {
 966                                         unregister_buttons(platform.buttons);
 967                                         register_buttons(platform.buttons);
 968                                 }
 969
 970                                 if (platform.leds) {
 971                                         unregister_leds(platform.leds);
 972                                         register_leds(platform.leds);
 973                                 }
 974                                 break;
 975                 }
 976                 ret = count;
 977         }
 978
 979         kfree(page);
 980         return ret;
 981 }
 982
 983 static int __init diag_init(void)
 984 {
 985         static struct proc_dir_entry *p;
 986         static struct platform_t *detected;
 987
 988         detected = platform_detect();
 989         if (!detected) {
 990                 printk(MODULE_NAME ": Router model not detected.\n");
 991                 return -ENODEV;
 992         }
 993         memcpy(&platform, detected, sizeof(struct platform_t));
 994
 995         printk(MODULE_NAME ": Detected '%s'\n", platform.name);
 996         if (platform.platform_init != NULL) {
 997                 platform.platform_init();
 998         }
 999
1000         if (!(diag = proc_mkdir("diag", NULL))) {
1001                 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1002                 return -EINVAL;
1003         }
1004
1005         if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1006                 p->data = (void *) &proc_model;
1007                 p->proc_fops = &diag_proc_fops;
1008         }
1009
1010         if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1011                 p->data = (void *) &proc_gpiomask;
1012                 p->proc_fops = &diag_proc_fops;
1013         }
1014
1015         if (platform.buttons)
1016                 register_buttons(platform.buttons);
1017
1018         if (platform.leds)
1019                 register_leds(platform.leds);
1020
1021         return 0;
1022 }
1023
1024 static void __exit diag_exit(void)
1025 {
1026
1027         del_timer(&led_timer);
1028
1029         if (platform.buttons)
1030                 unregister_buttons(platform.buttons);
1031
1032         if (platform.leds)
1033                 unregister_leds(platform.leds);
1034
1035         remove_proc_entry("model", diag);
1036         remove_proc_entry("gpiomask", diag);
1037         remove_proc_entry("diag", NULL);
1038 }
1039
1040 module_init(diag_init);
1041 module_exit(diag_exit);
1042
1043 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1044 MODULE_LICENSE("GPL");