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  * $Id$
  23  */
  24 #include <linux/module.h>
  25 #include <linux/pci.h>
  26 #include <linux/kmod.h>
  27 #include <linux/proc_fs.h>
  28 #include <linux/timer.h>
  29 #include <linux/version.h>
  30 #include <asm/uaccess.h>
  31
  32 #ifndef LINUX_2_4
  33 #include <linux/workqueue.h>
  34 #include <linux/skbuff.h>
  35 #include <linux/netlink.h>
  36 #include <net/sock.h>
  37 extern struct sock *uevent_sock;
  38 extern u64 uevent_next_seqnum(void);
  39 #else
  40 #include <linux/tqueue.h>
  41 #define INIT_WORK INIT_TQUEUE
  42 #define schedule_work schedule_task
  43 #define work_struct tq_struct
  44 #endif
  45
  46 #include "gpio.h"
  47 #include "diag.h"
  48 #define getvar(str) (nvram_get(str)?:"")
  49
  50 static inline int startswith (char *source, char *cmp) { return !strncmp(source,cmp,strlen(cmp)); }
  51 static int fill_event(struct event_t *);
  52 static unsigned int gpiomask = 0;
  53 module_param(gpiomask, int, 0644);
  54
  55 enum {
  56         /* Linksys */
  57         WAP54GV1,
  58         WAP54GV3,
  59         WRT54GV1,
  60         WRT54G,
  61         WRTSL54GS,
  62         WRT54G3G,
  63         WRT350N,
  64
  65         /* ASUS */
  66         WLHDD,
  67         WL300G,
  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
 101         /* Motorola */
 102         WE800G,
 103         WR850GV1,
 104         WR850GV2V3,
 105         WR850GP,
 106
 107         /* Belkin */
 108         BELKIN_UNKNOWN,
 109
 110         /* Netgear */
 111         WGT634U,
 112
 113         /* Trendware */
 114         TEW411BRPP,
 115
 116         /* SimpleTech */
 117         STI_NAS,
 118
 119         /* D-Link */
 120         DIR130,
 121         DIR330,
 122         DWL3150,
 123
 124         /* Sitecom */
 125         WL105B,
 126 };
 127
 128 static void __init bcm4780_init(void) {
 129                 int pin = 1 << 3;
 130
 131                 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
 132                 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
 133                 gpio_outen(pin, pin);
 134                 gpio_control(pin, 0);
 135                 gpio_out(pin, pin);
 136
 137                 /* Wait 5s, so the HDD can spin up */
 138                 set_current_state(TASK_INTERRUPTIBLE);
 139                 schedule_timeout(HZ * 5);
 140 }
 141
 142 static void __init bcm57xx_init(void) {
 143         int pin = 1 << 2;
 144
 145         gpio_outen(pin, pin);
 146         gpio_control(pin, 0);
 147         gpio_out(pin, pin);
 148 }
 149
 150 static struct platform_t __initdata platforms[] = {
 151         /* Linksys */
 152         [WAP54GV1] = {
 153                 .name           = "Linksys WAP54G V1",
 154                 .buttons        = {
 155                         { .name = "reset",      .gpio = 1 << 0 },
 156                 },
 157                 .leds           = {
 158                         { .name = "diag",       .gpio = 1 << 3 },
 159                         { .name = "wlan",       .gpio = 1 << 4 },
 160                 },
 161         },
 162         [WAP54GV3] = {
 163                 .name           = "Linksys WAP54G V3",
 164                 .buttons        = {
 165                         /* FIXME: verify this */
 166                         { .name = "reset",      .gpio = 1 << 7 },
 167                         { .name = "ses",        .gpio = 1 << 0 },
 168                 },
 169                 .leds           = {
 170                         /* FIXME: diag? */
 171                         { .name = "ses",        .gpio = 1 << 1 },
 172                 },
 173         },
 174         [WRT54GV1] = {
 175                 .name           = "Linksys WRT54G V1.x",
 176                 .buttons        = {
 177                         { .name = "reset",      .gpio = 1 << 6 },
 178                 },
 179                 .leds           = {
 180                         { .name = "diag",       .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 181                         { .name = "dmz",        .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 182                 },
 183         },
 184         [WRT54G] = {
 185                 .name           = "Linksys WRT54G/GS/GL",
 186                 .buttons        = {
 187                         { .name = "reset",      .gpio = 1 << 6 },
 188                         { .name = "ses",        .gpio = 1 << 4 },
 189                 },
 190                 .leds           = {
 191                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 192                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 193                         { .name = "ses_white",  .gpio = 1 << 2, .polarity = REVERSE },
 194                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 195                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 196                 },
 197         },
 198         [WRTSL54GS] = {
 199                 .name           = "Linksys WRTSL54GS",
 200                 .buttons        = {
 201                         { .name = "reset",      .gpio = 1 << 6 },
 202                         { .name = "ses",        .gpio = 1 << 4 },
 203                 },
 204                 .leds           = {
 205                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 206                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },
 207                         { .name = "ses_white",  .gpio = 1 << 5, .polarity = REVERSE },
 208                         { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
 209                 },
 210         },
 211         [WRT54G3G] = {
 212                 .name           = "Linksys WRT54G3G",
 213                 .buttons        = {
 214                         { .name = "reset",      .gpio = 1 << 6 },
 215                         { .name = "3g",         .gpio = 1 << 4 },
 216                 },
 217                 .leds           = {
 218                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 219                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 220                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 221                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 222                         { .name = "3g_blink",   .gpio = 1 << 5, .polarity = NORMAL },
 223                 },
 224         },
 225         [WRT350N] = {
 226                 .name           = "Linksys WRT350N",
 227                 .buttons        = {
 228                         { .name = "reset",      .gpio = 1 << 6 },
 229                         { .name = "ses",        .gpio = 1 << 8 },
 230                 },
 231                 .leds           = {
 232                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 233                         { .name = "ses_amber",  .gpio = 1 << 3, .polarity = REVERSE },
 234                         { .name = "ses_green",  .gpio = 1 << 9, .polarity = REVERSE },
 235                         { .name = "usb_blink",  .gpio = 1 << 10, .polarity = REVERSE },
 236                         { .name = "usb",        .gpio = 1 << 11, .polarity = REVERSE },
 237                 },
 238                 .platform_init = bcm57xx_init,
 239         },
 240         /* Asus */
 241         [WLHDD] = {
 242                 .name           = "ASUS WL-HDD",
 243                 .buttons        = {
 244                         { .name = "reset",      .gpio = 1 << 6 },
 245                 },
 246                 .leds           = {
 247                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 248                         { .name = "usb",        .gpio = 1 << 2, .polarity = NORMAL },
 249                 },
 250         },
 251         [WL300G] = {
 252                 .name           = "ASUS WL-300g",
 253                 .buttons        = {
 254                         { .name = "reset",      .gpio = 1 << 6 },
 255                 },
 256                 .leds           = {
 257                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 258                 },
 259         },
 260         [WL500G] = {
 261                 .name           = "ASUS WL-500g",
 262                 .buttons        = {
 263                         { .name = "reset",      .gpio = 1 << 6 },
 264                 },
 265                 .leds           = {
 266                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 267                 },
 268         },
 269         [WL500GD] = {
 270                 .name           = "ASUS WL-500g Deluxe",
 271                 .buttons        = {
 272                         { .name = "reset",      .gpio = 1 << 6 },
 273                 },
 274                 .leds           = {
 275                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 276                 },
 277         },
 278         [WL500GP] = {
 279                 .name           = "ASUS WL-500g Premium",
 280                 .buttons        = {
 281                         { .name = "reset",      .gpio = 1 << 0 },
 282                         { .name = "ses",        .gpio = 1 << 4 },
 283                 },
 284                 .leds           = {
 285                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 286                 },
 287         },
 288         [WL500GPV2] = {
 289                 .name           = "ASUS WL-500g Premium V2",
 290                 .buttons        = {
 291                         { .name = "reset",      .gpio = 1 << 2 },
 292                         { .name = "ses",        .gpio = 1 << 3 },
 293                 },
 294                 .leds           = {
 295                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 296                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 297                 },
 298         },
 299         [WL500W] = {
 300                 .name           = "ASUS WL-500W",
 301                 .buttons        = {
 302                         { .name = "reset",      .gpio = 1 << 6 },
 303                         { .name = "ses",        .gpio = 1 << 7 },
 304                 },
 305                 .leds           = {
 306                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 307                 },
 308         },
 309         [WL520GC] = {
 310                 .name           = "ASUS WL-520GC",
 311                 .buttons        = {
 312                         { .name = "reset",      .gpio = 1 << 2 },
 313                         { .name = "ses",        .gpio = 1 << 3 },
 314                 },
 315                 .leds           = {
 316                 { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 317                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 318                 },
 319         },
 320         [WL520GU] = {
 321                 .name           = "ASUS WL-520gU",
 322                 .buttons        = {
 323                         { .name = "reset",      .gpio = 1 << 2 },
 324                         { .name = "ses",        .gpio = 1 << 3 },
 325                 },
 326                 .leds           = {
 327                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 328                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 329                 },
 330         },
 331         [ASUS_4702] = {
 332                 .name           = "ASUS (unknown, BCM4702)",
 333                 .buttons        = {
 334                         { .name = "reset",      .gpio = 1 << 6 },
 335                 },
 336                 .leds           = {
 337                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 338                 },
 339         },
 340         [WL700GE] = {
 341                 .name           = "ASUS WL-700gE",
 342                 .buttons        = {
 343                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 344                         { .name = "ses",        .gpio = 1 << 4 }, // on back, actual name ezsetup
 345                         { .name = "power",      .gpio = 1 << 0 }, // on front
 346                         { .name = "copy",       .gpio = 1 << 6 }, // on front
 347                 },
 348                 .leds           = {
 349 #if 0
 350                         // GPIO that controls power led also enables/disables some essential functions
 351                         // - power to HDD
 352                         // - switch leds
 353                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },  // actual name power
 354 #endif
 355                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 356                 },
 357                 .platform_init = bcm4780_init,
 358         },
 359         /* Buffalo */
 360         [WHR_G54S] = {
 361                 .name           = "Buffalo WHR-G54S",
 362                 .buttons        = {
 363                         { .name = "reset",      .gpio = 1 << 4 },
 364                         { .name = "bridge",     .gpio = 1 << 5 },
 365                         { .name = "ses",        .gpio = 1 << 0 },
 366                 },
 367                 .leds           = {
 368                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 369                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 370                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 371                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 372                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 373                 },
 374         },
 375         [WBR2_G54] = {
 376                 .name           = "Buffalo WBR2-G54",
 377                 /* FIXME: verify */
 378                 .buttons        = {
 379                         { .name = "reset",      .gpio = 1 << 7 },
 380                 },
 381                 .leds           = {
 382                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 383                 },
 384         },
 385         [WHR_HP_G54] = {
 386                 .name           = "Buffalo WHR-HP-G54",
 387                 .buttons        = {
 388                         { .name = "reset",      .gpio = 1 << 4 },
 389                         { .name = "bridge",     .gpio = 1 << 5 },
 390                         { .name = "ses",        .gpio = 1 << 0 },
 391                 },
 392                 .leds           = {
 393                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 394                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 395                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 396                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 397                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 398                 },
 399         },
 400         [WHR_G125] = {
 401                 .name           = "Buffalo WHR-G125",
 402                 .buttons        = {
 403                         { .name = "reset",      .gpio = 1 << 4 },
 404                         { .name = "bridge",     .gpio = 1 << 5 },
 405                         { .name = "ses",        .gpio = 1 << 0 },
 406                 },
 407                 .leds           = {
 408                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 409                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 410                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 411                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 412                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 413                 },
 414         },
 415         [WHR2_A54G54] = {
 416                 .name           = "Buffalo WHR2-A54G54",
 417                 .buttons        = {
 418                         { .name = "reset",      .gpio = 1 << 4 },
 419                 },
 420                 .leds           = {
 421                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 422                 },
 423         },
 424         [WLA2_G54L] = {
 425                 .name           = "Buffalo WLA2-G54L",
 426                 /* FIXME: verify */
 427                 .buttons        = {
 428                         { .name = "reset",      .gpio = 1 << 7 },
 429                 },
 430                 .leds           = {
 431                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 432                 },
 433         },
 434         [WZR_G300N] = {
 435                 .name           = "Buffalo WZR-G300N",
 436                 .buttons        = {
 437                         { .name = "reset",      .gpio = 1 << 4 },
 438                 },
 439                 .leds           = {
 440                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 441                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 442                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 443                 },
 444         },
 445         [WZR_RS_G54] = {
 446                 .name           = "Buffalo WZR-RS-G54",
 447                 .buttons        = {
 448                         { .name = "ses",        .gpio = 1 << 0 },
 449                         { .name = "reset",      .gpio = 1 << 4 },
 450                 },
 451                 .leds           = {
 452                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 453                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 454                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 455                 },
 456         },
 457         [WZR_RS_G54HP] = {
 458                 .name           = "Buffalo WZR-RS-G54HP",
 459                 .buttons        = {
 460                         { .name = "ses",        .gpio = 1 << 0 },
 461                         { .name = "reset",      .gpio = 1 << 4 },
 462                 },
 463                 .leds           = {
 464                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 465                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 466                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 467                 },
 468         },
 469         [BUFFALO_UNKNOWN] = {
 470                 .name           = "Buffalo (unknown)",
 471                 .buttons        = {
 472                         { .name = "reset",      .gpio = 1 << 7 },
 473                 },
 474                 .leds           = {
 475                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 476                 },
 477         },
 478         [BUFFALO_UNKNOWN_4710] = {
 479                 .name           = "Buffalo (unknown, BCM4710)",
 480                 .buttons        = {
 481                         { .name = "reset",      .gpio = 1 << 4 },
 482                 },
 483                 .leds           = {
 484                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 485                 },
 486         },
 487         /* Siemens */
 488         [SE505V1] = {
 489                 .name           = "Siemens SE505 V1",
 490                 .buttons        = {
 491                         /* No usable buttons */
 492                 },
 493                 .leds           = {
 494 //                      { .name = "power",      .gpio = 1 << 0  .polarity = REVERSE },  // Usable when retrofitting D26 (?)
 495                         { .name = "dmz",        .gpio = 1 << 4, .polarity = REVERSE },  // actual name WWW
 496                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 497                 },
 498         },
 499         [SE505V2] = {
 500                 .name           = "Siemens SE505 V2",
 501                 .buttons        = {
 502                         /* No usable buttons */
 503                 },
 504                 .leds           = {
 505                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 506                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },  // actual name WWW
 507                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 508                 },
 509         },
 510         /* US Robotics */
 511         [USR5461] = {
 512                 .name           = "U.S. Robotics USR5461",
 513                 .buttons        = {
 514                         /* No usable buttons */
 515                 },
 516                 .leds           = {
 517                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 518                         { .name = "printer",    .gpio = 1 << 1, .polarity = REVERSE },
 519                 },
 520         },
 521         /* Dell */
 522         [TM2300] = {
 523                 .name           = "Dell TrueMobile 2300",
 524                 .buttons        = {
 525                         { .name = "reset",      .gpio = 1 << 0 },
 526                 },
 527                 .leds           = {
 528                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 529                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 530                 },
 531         },
 532         /* Motorola */
 533         [WE800G] = {
 534                 .name           = "Motorola WE800G",
 535                 .buttons        = {
 536                         { .name = "reset",      .gpio = 1 << 0 },
 537                 },
 538                 .leds           = {
 539                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 540                         { .name = "diag",       .gpio = 1 << 2, .polarity = REVERSE },
 541                         { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
 542                 },
 543         },
 544         [WR850GV1] = {
 545                 .name           = "Motorola WR850G V1",
 546                 .buttons        = {
 547                         { .name = "reset",      .gpio = 1 << 0 },
 548                 },
 549                 .leds           = {
 550                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 551                         { .name = "diag",       .gpio = 1 << 3, .polarity = REVERSE },
 552                         { .name = "dmz",        .gpio = 1 << 6, .polarity = NORMAL },
 553                         { .name = "wlan_red",   .gpio = 1 << 5, .polarity = REVERSE },
 554                         { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
 555                 },
 556         },
 557         [WR850GV2V3] = {
 558                 .name           = "Motorola WR850G V2/V3",
 559                 .buttons        = {
 560                         { .name = "reset",      .gpio = 1 << 5 },
 561                 },
 562                 .leds           = {
 563                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 564                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 565                         { .name = "wan",        .gpio = 1 << 6, .polarity = INPUT },
 566                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 567                 },
 568         },
 569         [WR850GP] = {
 570                 .name           = "Motorola WR850GP",
 571                 .buttons        = {
 572                         { .name = "reset",      .gpio = 1 << 5 },
 573                 },
 574                 .leds           = {
 575                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 576                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 577                         { .name = "dmz",        .gpio = 1 << 6, .polarity = REVERSE },
 578                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 579                 },
 580         },
 581
 582         /* Belkin */
 583         [BELKIN_UNKNOWN] = {
 584                 .name           = "Belkin (unknown)",
 585                 /* FIXME: verify & add detection */
 586                 .buttons        = {
 587                         { .name = "reset",      .gpio = 1 << 7 },
 588                 },
 589                 .leds           = {
 590                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },
 591                         { .name = "wlan",       .gpio = 1 << 3, .polarity = NORMAL },
 592                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
 593                 },
 594         },
 595         /* Netgear */
 596         [WGT634U] = {
 597                 .name           = "Netgear WGT634U",
 598                 .buttons        = {
 599                         { .name = "reset",      .gpio = 1 << 2 },
 600                 },
 601                 .leds           = {
 602                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
 603                 },
 604         },
 605         /* Trendware */
 606         [TEW411BRPP] = {
 607                 .name           = "Trendware TEW411BRP+",
 608                 .buttons        = {
 609                         { /* No usable buttons */ },
 610                 },
 611                 .leds           = {
 612                         { .name = "power",      .gpio = 1 << 7, .polarity = NORMAL },
 613                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },
 614                         { .name = "bridge",     .gpio = 1 << 6, .polarity = NORMAL },
 615                 },
 616         },
 617         /* SimpleTech */
 618         [STI_NAS] = {
 619                 .name      = "SimpleTech SimpleShare NAS",
 620                 .buttons        = {
 621                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 622                         { .name = "power",      .gpio = 1 << 0 }, // on back
 623                 },
 624                 .leds      = {
 625                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 626                 },
 627                 .platform_init = bcm4780_init,
 628         },
 629         /* D-Link */
 630         [DIR130] = {
 631                 .name     = "D-Link DIR-130",
 632                 .buttons        = {
 633                         { .name = "reset",      .gpio = 1 << 3},
 634                         { .name = "reserved",   .gpio = 1 << 7},
 635                 },
 636                 .leds      = {
 637                         { .name = "diag",       .gpio = 1 << 0},
 638                         { .name = "blue",       .gpio = 1 << 6},
 639                 },
 640         },
 641         [DIR330] = {
 642                 .name     = "D-Link DIR-330",
 643                 .buttons        = {
 644                         { .name = "reset",      .gpio = 1 << 3},
 645                         { .name = "reserved",   .gpio = 1 << 7},
 646                 },
 647                 .leds      = {
 648                         { .name = "diag",       .gpio = 1 << 0},
 649                         { .name = "usb",        .gpio = 1 << 4},
 650                         { .name = "blue",       .gpio = 1 << 6},
 651                 },
 652         },
 653         [DWL3150] = {
 654                 .name   = "D-Link DWL-3150",
 655                 .buttons        = {
 656                         { .name = "reset",      .gpio = 1 << 7},
 657                 },
 658                 .leds     = {
 659                         { .name = "diag",       .gpio = 1 << 2},
 660                         { .name = "status",     .gpio = 1 << 1},
 661                 },
 662         },
 663         /* Double check */
 664         [WL105B] = {
 665                 .name   = "Sitecom WL-105b",
 666                 .buttons        = {
 667                         { .name = "reset",      .gpio = 1 << 10},
 668                 },
 669                 .leds     = {
 670                         { .name = "wlan",       .gpio = 1 << 4},
 671                         { .name = "power",      .gpio = 1 << 3},
 672                 },
 673         },
 674 };
 675
 676 static struct platform_t __init *platform_detect(void)
 677 {
 678         char *boardnum, *boardtype, *buf;
 679
 680         if (strcmp(getvar("nvram_type"), "cfe") == 0)
 681                 return &platforms[WGT634U];
 682
 683         /* Look for a model identifier */
 684
 685         /* Based on "model_name" */
 686         if ((buf = nvram_get("model_name"))) {
 687                 if (!strcmp(buf, "DIR-130"))
 688                         return &platforms[DIR130];
 689                 if (!strcmp(buf, "DIR-330"))
 690                         return &platforms[DIR330];
 691         }
 692
 693         /* Based on "model_no" */
 694         if ((buf = nvram_get("model_no"))) {
 695                 if (startswith(buf,"WL700")) /* WL700* */
 696                         return &platforms[WL700GE];
 697         }
 698
 699         /* Based on "hardware_version" */
 700         if ((buf = nvram_get("hardware_version"))) {
 701                 if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
 702                         return &platforms[WL500GPV2];
 703                 if (startswith(buf,"WL520GC-")) /* WL520GU-* */
 704                         return &platforms[WL520GC];
 705                 if (startswith(buf,"WL520GU-")) /* WL520GU-* */
 706                         return &platforms[WL520GU];
 707         }
 708
 709         /* Based on "ModelId" */
 710         if ((buf = nvram_get("ModelId"))) {
 711                 if (!strcmp(buf, "WR850GP"))
 712                         return &platforms[WR850GP];
 713                 if (!strcmp(buf,"WX-5565"))
 714                         return &platforms[TM2300];
 715                 if (startswith(buf,"WE800G")) /* WE800G* */
 716                         return &platforms[WE800G];
 717         }
 718
 719         /* Buffalo */
 720         if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
 721                 /* Buffalo hardware, check id for specific hardware matches */
 722                 if (!strcmp(buf, "29bb0332"))
 723                         return &platforms[WBR2_G54];
 724                 if (!strcmp(buf, "29129"))
 725                         return &platforms[WLA2_G54L];
 726                 if (!strcmp(buf, "30189"))
 727                         return &platforms[WHR_HP_G54];
 728                 if (!strcmp(buf, "32093"))
 729                         return &platforms[WHR_G125];
 730                 if (!strcmp(buf, "30182"))
 731                         return &platforms[WHR_G54S];
 732                 if (!strcmp(buf, "290441dd"))
 733                         return &platforms[WHR2_A54G54];
 734                 if (!strcmp(buf, "31120"))
 735                         return &platforms[WZR_G300N];
 736                 if (!strcmp(buf, "30083"))
 737                         return &platforms[WZR_RS_G54];
 738                 if (!strcmp(buf, "30103"))
 739                         return &platforms[WZR_RS_G54HP];
 740         }
 741
 742         /* no easy model number, attempt to guess */
 743         boardnum = getvar("boardnum");
 744         boardtype = getvar("boardtype");
 745
 746         if (startswith(getvar("pmon_ver"), "CFE")) {
 747                 /* CFE based - newer hardware */
 748                 if (!strcmp(boardnum, "42")) { /* Linksys */
 749                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
 750                                 return &platforms[WRT350N];
 751
 752                         if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
 753                                 return &platforms[WRT54G3G];
 754
 755                         if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
 756                                 return &platforms[WRTSL54GS];
 757
 758                         /* default to WRT54G */
 759                         return &platforms[WRT54G];
 760                 }
 761
 762                 if (!strcmp(boardnum, "45")) { /* ASUS */
 763                         if (!strcmp(boardtype,"0x042f"))
 764                                 return &platforms[WL500GP];
 765                         else if (!strcmp(boardtype,"0x0472"))
 766                                 return &platforms[WL500W];
 767                         else
 768                                 return &platforms[WL500GD];
 769                 }
 770
 771                 if (!strcmp(boardnum, "10496"))
 772                         return &platforms[USR5461];
 773
 774                 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
 775                         return &platforms[SE505V2];
 776
 777         } else { /* PMON based - old stuff */
 778                 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
 779                         (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
 780                         return &platforms[WR850GV1];
 781                 }
 782                 if (startswith(boardtype, "bcm94710dev")) {
 783                         if (!strcmp(boardnum, "42"))
 784                                 return &platforms[WRT54GV1];
 785                         if (simple_strtoul(boardnum, NULL, 0) == 2)
 786                                 return &platforms[WAP54GV1];
 787                 }
 788                 if (startswith(getvar("hardware_version"), "WL500-"))
 789                         return &platforms[WL500G];
 790                 if (startswith(getvar("hardware_version"), "WL300-")) {
 791                         /* Either WL-300g or WL-HDD, do more extensive checks */
 792                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
 793                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
 794                                 return &platforms[WLHDD];
 795                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
 796                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
 797                                 return &platforms[WL300G];
 798                 }
 799                 /* Sitecom WL-105b */
 800                 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
 801                         return &platforms[WL105B];
 802
 803                 /* unknown asus stuff, probably bcm4702 */
 804                 if (startswith(boardnum, "asusX"))
 805                         return &platforms[ASUS_4702];
 806         }
 807
 808         if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
 809                 if (startswith(boardtype, "bcm94710ap"))
 810                         return &platforms[BUFFALO_UNKNOWN_4710];
 811                 else
 812                         return &platforms[BUFFALO_UNKNOWN];
 813         }
 814
 815         if (startswith(getvar("CFEver"), "MotoWRv2") ||
 816                 startswith(getvar("CFEver"), "MotoWRv3") ||
 817                 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
 818
 819                 return &platforms[WR850GV2V3];
 820         }
 821
 822         if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) {  /* Trendware TEW-411BRP+ */
 823                 return &platforms[TEW411BRPP];
 824         }
 825
 826         if (startswith(boardnum, "04FN52")) /* SimpleTech SimpleShare */
 827                 return &platforms[STI_NAS];
 828
 829         if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
 830                 return &platforms[DWL3150];
 831
 832         /* not found */
 833         return NULL;
 834 }
 835
 836 static void register_buttons(struct button_t *b)
 837 {
 838         for (; b->name; b++)
 839                 platform.button_mask |= b->gpio;
 840
 841         platform.button_mask &= ~gpiomask;
 842
 843         gpio_outen(platform.button_mask, 0);
 844         gpio_control(platform.button_mask, 0);
 845         platform.button_polarity = gpio_in() & platform.button_mask;
 846         gpio_intpolarity(platform.button_mask, platform.button_polarity);
 847         gpio_intmask(platform.button_mask, platform.button_mask);
 848
 849         gpio_set_irqenable(1, button_handler);
 850 }
 851
 852 static void unregister_buttons(struct button_t *b)
 853 {
 854         gpio_intmask(platform.button_mask, 0);
 855
 856         gpio_set_irqenable(0, button_handler);
 857 }
 858
 859
 860 #ifndef LINUX_2_4
 861 static void add_msg(struct event_t *event, char *msg, int argv)
 862 {
 863         char *s;
 864
 865         if (argv)
 866                 return;
 867
 868         s = skb_put(event->skb, strlen(msg) + 1);
 869         strcpy(s, msg);
 870 }
 871
 872 static void hotplug_button(struct work_struct *work)
 873 {
 874         struct event_t *event = container_of(work, struct event_t, wq);
 875         char *s;
 876
 877         if (!uevent_sock)
 878                 return;
 879
 880         event->skb = alloc_skb(2048, GFP_KERNEL);
 881
 882         s = skb_put(event->skb, strlen(event->action) + 2);
 883         sprintf(s, "%s@", event->action);
 884         fill_event(event);
 885
 886         NETLINK_CB(event->skb).dst_group = 1;
 887         netlink_broadcast(uevent_sock, event->skb, 0, 1, GFP_KERNEL);
 888
 889         kfree(event);
 890 }
 891
 892 #else /* !LINUX_2_4 */
 893 static inline char *kzalloc(unsigned int size, unsigned int gfp)
 894 {
 895         char *p;
 896
 897         p = kmalloc(size, gfp);
 898         if (p == NULL)
 899                 return NULL;
 900
 901         memset(p, 0, size);
 902
 903         return p;
 904 }
 905
 906 static void add_msg(struct event_t *event, char *msg, int argv)
 907 {
 908         if (argv)
 909                 event->argv[event->anr++] = event->scratch;
 910         else
 911                 event->envp[event->enr++] = event->scratch;
 912
 913         event->scratch += sprintf(event->scratch, "%s", msg) + 1;
 914 }
 915
 916 static void hotplug_button(struct event_t *event)
 917 {
 918         char *scratch = kzalloc(256, GFP_KERNEL);
 919         event->scratch = scratch;
 920
 921         add_msg(event, hotplug_path, 1);
 922         add_msg(event, "button", 1);
 923         fill_event(event);
 924         call_usermodehelper (event->argv[0], event->argv, event->envp);
 925         kfree(scratch);
 926         kfree(event);
 927 }
 928 #endif /* !LINUX_2_4 */
 929
 930 static int fill_event (struct event_t *event)
 931 {
 932         static char buf[128];
 933
 934         add_msg(event, "HOME=/", 0);
 935         add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
 936         add_msg(event, "SUBSYSTEM=button", 0);
 937         snprintf(buf, 128, "ACTION=%s", event->action);
 938         add_msg(event, buf, 0);
 939         snprintf(buf, 128, "BUTTON=%s", event->name);
 940         add_msg(event, buf, 0);
 941         snprintf(buf, 128, "SEEN=%ld", event->seen);
 942         add_msg(event, buf, 0);
 943 #ifndef LINUX_2_4
 944         snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
 945         add_msg(event, buf, 0);
 946 #endif
 947
 948         return 0;
 949 }
 950
 951
 952 #ifndef LINUX_2_4
 953 static irqreturn_t button_handler(int irq, void *dev_id)
 954 #else
 955 static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
 956 #endif
 957 {
 958         struct button_t *b;
 959         u32 in, changed;
 960
 961         in = gpio_in() & platform.button_mask;
 962         gpio_intpolarity(platform.button_mask, in);
 963         changed = platform.button_polarity ^ in;
 964         platform.button_polarity = in;
 965
 966         changed &= ~gpio_outen(0, 0);
 967
 968         for (b = platform.buttons; b->name; b++) {
 969                 struct event_t *event;
 970
 971                 if (!(b->gpio & changed)) continue;
 972
 973                 b->pressed ^= 1;
 974
 975                 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
 976                         event->seen = (jiffies - b->seen)/HZ;
 977                         event->name = b->name;
 978                         event->action = b->pressed ? "pressed" : "released";
 979 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
 980                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
 981 #else
 982                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
 983 #endif
 984                         schedule_work(&event->wq);
 985                 }
 986
 987                 b->seen = jiffies;
 988         }
 989         return IRQ_HANDLED;
 990 }
 991
 992 static void register_leds(struct led_t *l)
 993 {
 994         struct proc_dir_entry *p;
 995         u32 mask = 0;
 996         u32 oe_mask = 0;
 997         u32 val = 0;
 998
 999         leds = proc_mkdir("led", diag);
1000         if (!leds)
1001                 return;
1002
1003         for(; l->name; l++) {
1004                 if (l->gpio & gpiomask)
1005                         continue;
1006
1007                 if (l->gpio & GPIO_TYPE_EXTIF) {
1008                         l->state = 0;
1009                         set_led_extif(l);
1010                 } else {
1011                         if (l->polarity != INPUT) oe_mask |= l->gpio;
1012                         mask |= l->gpio;
1013                         val |= (l->polarity == NORMAL)?0:l->gpio;
1014                 }
1015
1016                 if (l->polarity == INPUT) continue;
1017
1018                 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1019                         l->proc.type = PROC_LED;
1020                         l->proc.ptr = l;
1021                         p->data = (void *) &l->proc;
1022                         p->proc_fops = &diag_proc_fops;
1023                 }
1024         }
1025
1026         gpio_outen(mask, oe_mask);
1027         gpio_control(mask, 0);
1028         gpio_out(mask, val);
1029 }
1030
1031 static void unregister_leds(struct led_t *l)
1032 {
1033         for(; l->name; l++)
1034                 remove_proc_entry(l->name, leds);
1035
1036         remove_proc_entry("led", diag);
1037 }
1038
1039 static void set_led_extif(struct led_t *led)
1040 {
1041         gpio_set_extif(led->gpio, led->state);
1042 }
1043
1044 static void led_flash(unsigned long dummy) {
1045         struct led_t *l;
1046         u32 mask = 0;
1047         u8 extif_blink = 0;
1048
1049         for (l = platform.leds; l->name; l++) {
1050                 if (l->flash) {
1051                         if (l->gpio & GPIO_TYPE_EXTIF) {
1052                                 extif_blink = 1;
1053                                 l->state = !l->state;
1054                                 set_led_extif(l);
1055                         } else {
1056                                 mask |= l->gpio;
1057                         }
1058                 }
1059         }
1060
1061         mask &= ~gpiomask;
1062         if (mask) {
1063                 u32 val = ~gpio_in();
1064
1065                 gpio_outen(mask, mask);
1066                 gpio_control(mask, 0);
1067                 gpio_out(mask, val);
1068         }
1069         if (mask || extif_blink) {
1070                 mod_timer(&led_timer, jiffies + FLASH_TIME);
1071         }
1072 }
1073
1074 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1075 {
1076 #ifdef LINUX_2_4
1077         struct inode *inode = file->f_dentry->d_inode;
1078         struct proc_dir_entry *dent = inode->u.generic_ip;
1079 #else
1080         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1081 #endif
1082         char *page;
1083         int len = 0;
1084
1085         if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1086                 return -ENOBUFS;
1087
1088         if (dent->data != NULL) {
1089                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1090                 switch (handler->type) {
1091                         case PROC_LED: {
1092                                 struct led_t * led = (struct led_t *) handler->ptr;
1093                                 if (led->flash) {
1094                                         len = sprintf(page, "f\n");
1095                                 } else {
1096                                         if (led->gpio & GPIO_TYPE_EXTIF) {
1097                                                 len = sprintf(page, "%d\n", led->state);
1098                                         } else {
1099                                                 u32 in = (gpio_in() & led->gpio ? 1 : 0);
1100                                                 u8 p = (led->polarity == NORMAL ? 0 : 1);
1101                                                 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1102                                         }
1103                                 }
1104                                 break;
1105                         }
1106                         case PROC_MODEL:
1107                                 len = sprintf(page, "%s\n", platform.name);
1108                                 break;
1109                         case PROC_GPIOMASK:
1110                                 len = sprintf(page, "0x%04x\n", gpiomask);
1111                                 break;
1112                 }
1113         }
1114         len += 1;
1115
1116         if (*ppos < len) {
1117                 len = min_t(int, len - *ppos, count);
1118                 if (copy_to_user(buf, (page + *ppos), len)) {
1119                         kfree(page);
1120                         return -EFAULT;
1121                 }
1122                 *ppos += len;
1123         } else {
1124                 len = 0;
1125         }
1126
1127         kfree(page);
1128         return len;
1129 }
1130
1131
1132 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1133 {
1134 #ifdef LINUX_2_4
1135         struct inode *inode = file->f_dentry->d_inode;
1136         struct proc_dir_entry *dent = inode->u.generic_ip;
1137 #else
1138         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1139 #endif
1140         char *page;
1141         int ret = -EINVAL;
1142
1143         if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1144                 return -ENOBUFS;
1145
1146         if (copy_from_user(page, buf, count)) {
1147                 kfree(page);
1148                 return -EINVAL;
1149         }
1150         page[count] = 0;
1151
1152         if (dent->data != NULL) {
1153                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1154                 switch (handler->type) {
1155                         case PROC_LED: {
1156                                 struct led_t *led = (struct led_t *) handler->ptr;
1157                                 int p = (led->polarity == NORMAL ? 0 : 1);
1158
1159                                 if (page[0] == 'f') {
1160                                         led->flash = 1;
1161                                         led_flash(0);
1162                                 } else {
1163                                         led->flash = 0;
1164                                         if (led->gpio & GPIO_TYPE_EXTIF) {
1165                                                 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1166                                                 set_led_extif(led);
1167                                         } else {
1168                                                 gpio_outen(led->gpio, led->gpio);
1169                                                 gpio_control(led->gpio, 0);
1170                                                 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1171                                         }
1172                                 }
1173                                 break;
1174                         }
1175                         case PROC_GPIOMASK:
1176                                 gpiomask = simple_strtoul(page, NULL, 0);
1177
1178                                 if (platform.buttons) {
1179                                         unregister_buttons(platform.buttons);
1180                                         register_buttons(platform.buttons);
1181                                 }
1182
1183                                 if (platform.leds) {
1184                                         unregister_leds(platform.leds);
1185                                         register_leds(platform.leds);
1186                                 }
1187                                 break;
1188                 }
1189                 ret = count;
1190         }
1191
1192         kfree(page);
1193         return ret;
1194 }
1195
1196 static int __init diag_init(void)
1197 {
1198         static struct proc_dir_entry *p;
1199         static struct platform_t *detected;
1200
1201         detected = platform_detect();
1202         if (!detected) {
1203                 printk(MODULE_NAME ": Router model not detected.\n");
1204                 return -ENODEV;
1205         }
1206         memcpy(&platform, detected, sizeof(struct platform_t));
1207
1208         printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1209         if (platform.platform_init != NULL) {
1210                 platform.platform_init();
1211         }
1212
1213         if (!(diag = proc_mkdir("diag", NULL))) {
1214                 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1215                 return -EINVAL;
1216         }
1217
1218         if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1219                 p->data = (void *) &proc_model;
1220                 p->proc_fops = &diag_proc_fops;
1221         }
1222
1223         if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1224                 p->data = (void *) &proc_gpiomask;
1225                 p->proc_fops = &diag_proc_fops;
1226         }
1227
1228         if (platform.buttons)
1229                 register_buttons(platform.buttons);
1230
1231         if (platform.leds)
1232                 register_leds(platform.leds);
1233
1234         return 0;
1235 }
1236
1237 static void __exit diag_exit(void)
1238 {
1239         del_timer(&led_timer);
1240
1241         if (platform.buttons)
1242                 unregister_buttons(platform.buttons);
1243
1244         if (platform.leds)
1245                 unregister_leds(platform.leds);
1246
1247         remove_proc_entry("model", diag);
1248         remove_proc_entry("gpiomask", diag);
1249         remove_proc_entry("diag", NULL);
1250 }
1251
1252 module_init(diag_init);
1253 module_exit(diag_exit);
1254
1255 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1256 MODULE_LICENSE("GPL");