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 = "dmz",        .gpio = 1 << 4, .polarity = REVERSE },
 495                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 496                 },
 497         },
 498         [SE505V2] = {
 499                 .name           = "Siemens SE505 V2",
 500                 .buttons        = {
 501                         /* No usable buttons */
 502                 },
 503                 .leds           = {
 504                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 505                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },
 506                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 507                 },
 508         },
 509         /* US Robotics */
 510         [USR5461] = {
 511                 .name           = "U.S. Robotics USR5461",
 512                 .buttons        = {
 513                         /* No usable buttons */
 514                 },
 515                 .leds           = {
 516                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 517                         { .name = "printer",    .gpio = 1 << 1, .polarity = REVERSE },
 518                 },
 519         },
 520         /* Dell */
 521         [TM2300] = {
 522                 .name           = "Dell TrueMobile 2300",
 523                 .buttons        = {
 524                         { .name = "reset",      .gpio = 1 << 0 },
 525                 },
 526                 .leds           = {
 527                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 528                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 529                 },
 530         },
 531         /* Motorola */
 532         [WE800G] = {
 533                 .name           = "Motorola WE800G",
 534                 .buttons        = {
 535                         { .name = "reset",      .gpio = 1 << 0 },
 536                 },
 537                 .leds           = {
 538                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 539                         { .name = "diag",       .gpio = 1 << 2, .polarity = REVERSE },
 540                         { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
 541                 },
 542         },
 543         [WR850GV1] = {
 544                 .name           = "Motorola WR850G V1",
 545                 .buttons        = {
 546                         { .name = "reset",      .gpio = 1 << 0 },
 547                 },
 548                 .leds           = {
 549                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 550                         { .name = "diag",       .gpio = 1 << 3, .polarity = REVERSE },
 551                         { .name = "dmz",        .gpio = 1 << 6, .polarity = NORMAL },
 552                         { .name = "wlan_red",   .gpio = 1 << 5, .polarity = REVERSE },
 553                         { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
 554                 },
 555         },
 556         [WR850GV2V3] = {
 557                 .name           = "Motorola WR850G V2/V3",
 558                 .buttons        = {
 559                         { .name = "reset",      .gpio = 1 << 5 },
 560                 },
 561                 .leds           = {
 562                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 563                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 564                         { .name = "wan",        .gpio = 1 << 6, .polarity = INPUT },
 565                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 566                 },
 567         },
 568         [WR850GP] = {
 569                 .name           = "Motorola WR850GP",
 570                 .buttons        = {
 571                         { .name = "reset",      .gpio = 1 << 5 },
 572                 },
 573                 .leds           = {
 574                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 575                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 576                         { .name = "dmz",        .gpio = 1 << 6, .polarity = REVERSE },
 577                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 578                 },
 579         },
 580
 581         /* Belkin */
 582         [BELKIN_UNKNOWN] = {
 583                 .name           = "Belkin (unknown)",
 584                 /* FIXME: verify & add detection */
 585                 .buttons        = {
 586                         { .name = "reset",      .gpio = 1 << 7 },
 587                 },
 588                 .leds           = {
 589                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },
 590                         { .name = "wlan",       .gpio = 1 << 3, .polarity = NORMAL },
 591                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
 592                 },
 593         },
 594         /* Netgear */
 595         [WGT634U] = {
 596                 .name           = "Netgear WGT634U",
 597                 .buttons        = {
 598                         { .name = "reset",      .gpio = 1 << 2 },
 599                 },
 600                 .leds           = {
 601                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
 602                 },
 603         },
 604         /* Trendware */
 605         [TEW411BRPP] = {
 606                 .name           = "Trendware TEW411BRP+",
 607                 .buttons        = {
 608                         { /* No usable buttons */ },
 609                 },
 610                 .leds           = {
 611                         { .name = "power",      .gpio = 1 << 7, .polarity = NORMAL },
 612                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },
 613                         { .name = "bridge",     .gpio = 1 << 6, .polarity = NORMAL },
 614                 },
 615         },
 616         /* SimpleTech */
 617         [STI_NAS] = {
 618                 .name      = "SimpleTech SimpleShare NAS",
 619                 .buttons        = {
 620                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 621                         { .name = "power",      .gpio = 1 << 0 }, // on back
 622                 },
 623                 .leds      = {
 624                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 625                 },
 626                 .platform_init = bcm4780_init,
 627         },
 628         /* D-Link */
 629         [DIR130] = {
 630                 .name     = "D-Link DIR-130",
 631                 .buttons        = {
 632                         { .name = "reset",      .gpio = 1 << 3},
 633                         { .name = "reserved",   .gpio = 1 << 7},
 634                 },
 635                 .leds      = {
 636                         { .name = "diag",       .gpio = 1 << 0},
 637                         { .name = "blue",       .gpio = 1 << 6},
 638                 },
 639         },
 640         [DIR330] = {
 641                 .name     = "D-Link DIR-330",
 642                 .buttons        = {
 643                         { .name = "reset",      .gpio = 1 << 3},
 644                         { .name = "reserved",   .gpio = 1 << 7},
 645                 },
 646                 .leds      = {
 647                         { .name = "diag",       .gpio = 1 << 0},
 648                         { .name = "usb",        .gpio = 1 << 4},
 649                         { .name = "blue",       .gpio = 1 << 6},
 650                 },
 651         },
 652         [DWL3150] = {
 653                 .name   = "D-Link DWL-3150",
 654                 .buttons        = {
 655                         { .name = "reset",      .gpio = 1 << 7},
 656                 },
 657                 .leds     = {
 658                         { .name = "diag",       .gpio = 1 << 2},
 659                         { .name = "status",     .gpio = 1 << 1},
 660                 },
 661         },
 662         /* Double check */
 663         [WL105B] = {
 664                 .name   = "Sitecom WL-105b",
 665                 .buttons        = {
 666                         { .name = "reset",      .gpio = 1 << 10},
 667                 },
 668                 .leds     = {
 669                         { .name = "wlan",       .gpio = 1 << 4},
 670                         { .name = "power",      .gpio = 1 << 3},
 671                 },
 672         },
 673 };
 674
 675 static struct platform_t __init *platform_detect(void)
 676 {
 677         char *boardnum, *boardtype, *buf;
 678
 679         if (strcmp(getvar("nvram_type"), "cfe") == 0)
 680                 return &platforms[WGT634U];
 681
 682         /* Look for a model identifier */
 683
 684         /* Based on "model_name" */
 685         if ((buf = nvram_get("model_name"))) {
 686                 if (!strcmp(buf, "DIR-130"))
 687                         return &platforms[DIR130];
 688                 if (!strcmp(buf, "DIR-330"))
 689                         return &platforms[DIR330];
 690         }
 691
 692         /* Based on "model_no" */
 693         if ((buf = nvram_get("model_no"))) {
 694                 if (startswith(buf,"WL700")) /* WL700* */
 695                         return &platforms[WL700GE];
 696         }
 697
 698         /* Based on "hardware_version" */
 699         if ((buf = nvram_get("hardware_version"))) {
 700                 if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
 701                         return &platforms[WL500GPV2];
 702                 if (startswith(buf,"WL520GC-")) /* WL520GU-* */
 703                         return &platforms[WL520GC];
 704                 if (startswith(buf,"WL520GU-")) /* WL520GU-* */
 705                         return &platforms[WL520GU];
 706         }
 707
 708         /* Based on "ModelId" */
 709         if ((buf = nvram_get("ModelId"))) {
 710                 if (!strcmp(buf, "WR850GP"))
 711                         return &platforms[WR850GP];
 712                 if (!strcmp(buf,"WX-5565"))
 713                         return &platforms[TM2300];
 714                 if (startswith(buf,"WE800G")) /* WE800G* */
 715                         return &platforms[WE800G];
 716         }
 717
 718         /* Buffalo */
 719         if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
 720                 /* Buffalo hardware, check id for specific hardware matches */
 721                 if (!strcmp(buf, "29bb0332"))
 722                         return &platforms[WBR2_G54];
 723                 if (!strcmp(buf, "29129"))
 724                         return &platforms[WLA2_G54L];
 725                 if (!strcmp(buf, "30189"))
 726                         return &platforms[WHR_HP_G54];
 727                 if (!strcmp(buf, "32093"))
 728                         return &platforms[WHR_G125];
 729                 if (!strcmp(buf, "30182"))
 730                         return &platforms[WHR_G54S];
 731                 if (!strcmp(buf, "290441dd"))
 732                         return &platforms[WHR2_A54G54];
 733                 if (!strcmp(buf, "31120"))
 734                         return &platforms[WZR_G300N];
 735                 if (!strcmp(buf, "30083"))
 736                         return &platforms[WZR_RS_G54];
 737                 if (!strcmp(buf, "30103"))
 738                         return &platforms[WZR_RS_G54HP];
 739         }
 740
 741         /* no easy model number, attempt to guess */
 742         boardnum = getvar("boardnum");
 743         boardtype = getvar("boardtype");
 744
 745         if (startswith(getvar("pmon_ver"), "CFE")) {
 746                 /* CFE based - newer hardware */
 747                 if (!strcmp(boardnum, "42")) { /* Linksys */
 748                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
 749                                 return &platforms[WRT350N];
 750
 751                         if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
 752                                 return &platforms[WRT54G3G];
 753
 754                         if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
 755                                 return &platforms[WRTSL54GS];
 756
 757                         /* default to WRT54G */
 758                         return &platforms[WRT54G];
 759                 }
 760
 761                 if (!strcmp(boardnum, "45")) { /* ASUS */
 762                         if (!strcmp(boardtype,"0x042f"))
 763                                 return &platforms[WL500GP];
 764                         else if (!strcmp(boardtype,"0x0472"))
 765                                 return &platforms[WL500W];
 766                         else
 767                                 return &platforms[WL500GD];
 768                 }
 769
 770                 if (!strcmp(boardnum, "10496"))
 771                         return &platforms[USR5461];
 772
 773         } else { /* PMON based - old stuff */
 774                 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
 775                         (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
 776                         return &platforms[WR850GV1];
 777                 }
 778                 if (startswith(boardtype, "bcm94710dev")) {
 779                         if (!strcmp(boardnum, "42"))
 780                                 return &platforms[WRT54GV1];
 781                         if (simple_strtoul(boardnum, NULL, 0) == 2)
 782                                 return &platforms[WAP54GV1];
 783                 }
 784                 if (startswith(getvar("hardware_version"), "WL500-"))
 785                         return &platforms[WL500G];
 786                 if (startswith(getvar("hardware_version"), "WL300-")) {
 787                         /* Either WL-300g or WL-HDD, do more extensive checks */
 788                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
 789                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
 790                                 return &platforms[WLHDD];
 791                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
 792                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
 793                                 return &platforms[WL300G];
 794                 }
 795                 /* Sitecom WL-105b */
 796                 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
 797                         return &platforms[WL105B];
 798
 799                 /* unknown asus stuff, probably bcm4702 */
 800                 if (startswith(boardnum, "asusX"))
 801                         return &platforms[ASUS_4702];
 802         }
 803
 804         if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
 805                 if (startswith(boardtype, "bcm94710ap"))
 806                         return &platforms[BUFFALO_UNKNOWN_4710];
 807                 else
 808                         return &platforms[BUFFALO_UNKNOWN];
 809         }
 810
 811         if (startswith(getvar("CFEver"), "MotoWRv2") ||
 812                 startswith(getvar("CFEver"), "MotoWRv3") ||
 813                 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
 814
 815                 return &platforms[WR850GV2V3];
 816         }
 817
 818         if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) {  /* Trendware TEW-411BRP+ */
 819                 return &platforms[TEW411BRPP];
 820         }
 821
 822         if (startswith(boardnum, "04FN52")) /* SimpleTech SimpleShare */
 823                 return &platforms[STI_NAS];
 824
 825         if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
 826                 return &platforms[DWL3150];
 827
 828         /* not found */
 829         return NULL;
 830 }
 831
 832 static void register_buttons(struct button_t *b)
 833 {
 834         for (; b->name; b++)
 835                 platform.button_mask |= b->gpio;
 836
 837         platform.button_mask &= ~gpiomask;
 838
 839         gpio_outen(platform.button_mask, 0);
 840         gpio_control(platform.button_mask, 0);
 841         platform.button_polarity = gpio_in() & platform.button_mask;
 842         gpio_intpolarity(platform.button_mask, platform.button_polarity);
 843         gpio_intmask(platform.button_mask, platform.button_mask);
 844
 845         gpio_set_irqenable(1, button_handler);
 846 }
 847
 848 static void unregister_buttons(struct button_t *b)
 849 {
 850         gpio_intmask(platform.button_mask, 0);
 851
 852         gpio_set_irqenable(0, button_handler);
 853 }
 854
 855
 856 #ifndef LINUX_2_4
 857 static void add_msg(struct event_t *event, char *msg, int argv)
 858 {
 859         char *s;
 860
 861         if (argv)
 862                 return;
 863
 864         s = skb_put(event->skb, strlen(msg) + 1);
 865         strcpy(s, msg);
 866 }
 867
 868 static void hotplug_button(struct work_struct *work)
 869 {
 870         struct event_t *event = container_of(work, struct event_t, wq);
 871         char *s;
 872
 873         if (!uevent_sock)
 874                 return;
 875
 876         event->skb = alloc_skb(2048, GFP_KERNEL);
 877
 878         s = skb_put(event->skb, strlen(event->action) + 2);
 879         sprintf(s, "%s@", event->action);
 880         fill_event(event);
 881
 882         NETLINK_CB(event->skb).dst_group = 1;
 883         netlink_broadcast(uevent_sock, event->skb, 0, 1, GFP_KERNEL);
 884
 885         kfree(event);
 886 }
 887
 888 #else /* !LINUX_2_4 */
 889 static inline char *kzalloc(unsigned int size, unsigned int gfp)
 890 {
 891         char *p;
 892
 893         p = kmalloc(size, gfp);
 894         if (p == NULL)
 895                 return NULL;
 896
 897         memset(p, 0, size);
 898
 899         return p;
 900 }
 901
 902 static void add_msg(struct event_t *event, char *msg, int argv)
 903 {
 904         if (argv)
 905                 event->argv[event->anr++] = event->scratch;
 906         else
 907                 event->envp[event->enr++] = event->scratch;
 908
 909         event->scratch += sprintf(event->scratch, "%s", msg) + 1;
 910 }
 911
 912 static void hotplug_button(struct event_t *event)
 913 {
 914         char *scratch = kzalloc(256, GFP_KERNEL);
 915         event->scratch = scratch;
 916
 917         add_msg(event, hotplug_path, 1);
 918         add_msg(event, "button", 1);
 919         fill_event(event);
 920         call_usermodehelper (event->argv[0], event->argv, event->envp);
 921         kfree(scratch);
 922         kfree(event);
 923 }
 924 #endif /* !LINUX_2_4 */
 925
 926 static int fill_event (struct event_t *event)
 927 {
 928         static char buf[128];
 929
 930         add_msg(event, "HOME=/", 0);
 931         add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
 932         add_msg(event, "SUBSYSTEM=button", 0);
 933         snprintf(buf, 128, "ACTION=%s", event->action);
 934         add_msg(event, buf, 0);
 935         snprintf(buf, 128, "BUTTON=%s", event->name);
 936         add_msg(event, buf, 0);
 937         snprintf(buf, 128, "SEEN=%ld", event->seen);
 938         add_msg(event, buf, 0);
 939 #ifndef LINUX_2_4
 940         snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
 941         add_msg(event, buf, 0);
 942 #endif
 943
 944         return 0;
 945 }
 946
 947
 948 #ifndef LINUX_2_4
 949 static irqreturn_t button_handler(int irq, void *dev_id)
 950 #else
 951 static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
 952 #endif
 953 {
 954         struct button_t *b;
 955         u32 in, changed;
 956
 957         in = gpio_in() & platform.button_mask;
 958         gpio_intpolarity(platform.button_mask, in);
 959         changed = platform.button_polarity ^ in;
 960         platform.button_polarity = in;
 961
 962         changed &= ~gpio_outen(0, 0);
 963
 964         for (b = platform.buttons; b->name; b++) {
 965                 struct event_t *event;
 966
 967                 if (!(b->gpio & changed)) continue;
 968
 969                 b->pressed ^= 1;
 970
 971                 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
 972                         event->seen = (jiffies - b->seen)/HZ;
 973                         event->name = b->name;
 974                         event->action = b->pressed ? "pressed" : "released";
 975 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
 976                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
 977 #else
 978                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
 979 #endif
 980                         schedule_work(&event->wq);
 981                 }
 982
 983                 b->seen = jiffies;
 984         }
 985         return IRQ_HANDLED;
 986 }
 987
 988 static void register_leds(struct led_t *l)
 989 {
 990         struct proc_dir_entry *p;
 991         u32 mask = 0;
 992         u32 oe_mask = 0;
 993         u32 val = 0;
 994
 995         leds = proc_mkdir("led", diag);
 996         if (!leds)
 997                 return;
 998
 999         for(; l->name; l++) {
1000                 if (l->gpio & gpiomask)
1001                         continue;
1002
1003                 if (l->gpio & GPIO_TYPE_EXTIF) {
1004                         l->state = 0;
1005                         set_led_extif(l);
1006                 } else {
1007                         if (l->polarity != INPUT) oe_mask |= l->gpio;
1008                         mask |= l->gpio;
1009                         val |= (l->polarity == NORMAL)?0:l->gpio;
1010                 }
1011
1012                 if (l->polarity == INPUT) continue;
1013
1014                 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1015                         l->proc.type = PROC_LED;
1016                         l->proc.ptr = l;
1017                         p->data = (void *) &l->proc;
1018                         p->proc_fops = &diag_proc_fops;
1019                 }
1020         }
1021
1022         gpio_outen(mask, oe_mask);
1023         gpio_control(mask, 0);
1024         gpio_out(mask, val);
1025 }
1026
1027 static void unregister_leds(struct led_t *l)
1028 {
1029         for(; l->name; l++)
1030                 remove_proc_entry(l->name, leds);
1031
1032         remove_proc_entry("led", diag);
1033 }
1034
1035 static void set_led_extif(struct led_t *led)
1036 {
1037         gpio_set_extif(led->gpio, led->state);
1038 }
1039
1040 static void led_flash(unsigned long dummy) {
1041         struct led_t *l;
1042         u32 mask = 0;
1043         u8 extif_blink = 0;
1044
1045         for (l = platform.leds; l->name; l++) {
1046                 if (l->flash) {
1047                         if (l->gpio & GPIO_TYPE_EXTIF) {
1048                                 extif_blink = 1;
1049                                 l->state = !l->state;
1050                                 set_led_extif(l);
1051                         } else {
1052                                 mask |= l->gpio;
1053                         }
1054                 }
1055         }
1056
1057         mask &= ~gpiomask;
1058         if (mask) {
1059                 u32 val = ~gpio_in();
1060
1061                 gpio_outen(mask, mask);
1062                 gpio_control(mask, 0);
1063                 gpio_out(mask, val);
1064         }
1065         if (mask || extif_blink) {
1066                 mod_timer(&led_timer, jiffies + FLASH_TIME);
1067         }
1068 }
1069
1070 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1071 {
1072 #ifdef LINUX_2_4
1073         struct inode *inode = file->f_dentry->d_inode;
1074         struct proc_dir_entry *dent = inode->u.generic_ip;
1075 #else
1076         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1077 #endif
1078         char *page;
1079         int len = 0;
1080
1081         if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1082                 return -ENOBUFS;
1083
1084         if (dent->data != NULL) {
1085                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1086                 switch (handler->type) {
1087                         case PROC_LED: {
1088                                 struct led_t * led = (struct led_t *) handler->ptr;
1089                                 if (led->flash) {
1090                                         len = sprintf(page, "f\n");
1091                                 } else {
1092                                         if (led->gpio & GPIO_TYPE_EXTIF) {
1093                                                 len = sprintf(page, "%d\n", led->state);
1094                                         } else {
1095                                                 u32 in = (gpio_in() & led->gpio ? 1 : 0);
1096                                                 u8 p = (led->polarity == NORMAL ? 0 : 1);
1097                                                 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1098                                         }
1099                                 }
1100                                 break;
1101                         }
1102                         case PROC_MODEL:
1103                                 len = sprintf(page, "%s\n", platform.name);
1104                                 break;
1105                         case PROC_GPIOMASK:
1106                                 len = sprintf(page, "0x%04x\n", gpiomask);
1107                                 break;
1108                 }
1109         }
1110         len += 1;
1111
1112         if (*ppos < len) {
1113                 len = min_t(int, len - *ppos, count);
1114                 if (copy_to_user(buf, (page + *ppos), len)) {
1115                         kfree(page);
1116                         return -EFAULT;
1117                 }
1118                 *ppos += len;
1119         } else {
1120                 len = 0;
1121         }
1122
1123         kfree(page);
1124         return len;
1125 }
1126
1127
1128 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1129 {
1130 #ifdef LINUX_2_4
1131         struct inode *inode = file->f_dentry->d_inode;
1132         struct proc_dir_entry *dent = inode->u.generic_ip;
1133 #else
1134         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1135 #endif
1136         char *page;
1137         int ret = -EINVAL;
1138
1139         if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1140                 return -ENOBUFS;
1141
1142         if (copy_from_user(page, buf, count)) {
1143                 kfree(page);
1144                 return -EINVAL;
1145         }
1146         page[count] = 0;
1147
1148         if (dent->data != NULL) {
1149                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1150                 switch (handler->type) {
1151                         case PROC_LED: {
1152                                 struct led_t *led = (struct led_t *) handler->ptr;
1153                                 int p = (led->polarity == NORMAL ? 0 : 1);
1154
1155                                 if (page[0] == 'f') {
1156                                         led->flash = 1;
1157                                         led_flash(0);
1158                                 } else {
1159                                         led->flash = 0;
1160                                         if (led->gpio & GPIO_TYPE_EXTIF) {
1161                                                 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1162                                                 set_led_extif(led);
1163                                         } else {
1164                                                 gpio_outen(led->gpio, led->gpio);
1165                                                 gpio_control(led->gpio, 0);
1166                                                 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1167                                         }
1168                                 }
1169                                 break;
1170                         }
1171                         case PROC_GPIOMASK:
1172                                 gpiomask = simple_strtoul(page, NULL, 0);
1173
1174                                 if (platform.buttons) {
1175                                         unregister_buttons(platform.buttons);
1176                                         register_buttons(platform.buttons);
1177                                 }
1178
1179                                 if (platform.leds) {
1180                                         unregister_leds(platform.leds);
1181                                         register_leds(platform.leds);
1182                                 }
1183                                 break;
1184                 }
1185                 ret = count;
1186         }
1187
1188         kfree(page);
1189         return ret;
1190 }
1191
1192 static int __init diag_init(void)
1193 {
1194         static struct proc_dir_entry *p;
1195         static struct platform_t *detected;
1196
1197         detected = platform_detect();
1198         if (!detected) {
1199                 printk(MODULE_NAME ": Router model not detected.\n");
1200                 return -ENODEV;
1201         }
1202         memcpy(&platform, detected, sizeof(struct platform_t));
1203
1204         printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1205         if (platform.platform_init != NULL) {
1206                 platform.platform_init();
1207         }
1208
1209         if (!(diag = proc_mkdir("diag", NULL))) {
1210                 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1211                 return -EINVAL;
1212         }
1213
1214         if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1215                 p->data = (void *) &proc_model;
1216                 p->proc_fops = &diag_proc_fops;
1217         }
1218
1219         if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1220                 p->data = (void *) &proc_gpiomask;
1221                 p->proc_fops = &diag_proc_fops;
1222         }
1223
1224         if (platform.buttons)
1225                 register_buttons(platform.buttons);
1226
1227         if (platform.leds)
1228                 register_leds(platform.leds);
1229
1230         return 0;
1231 }
1232
1233 static void __exit diag_exit(void)
1234 {
1235         del_timer(&led_timer);
1236
1237         if (platform.buttons)
1238                 unregister_buttons(platform.buttons);
1239
1240         if (platform.leds)
1241                 unregister_leds(platform.leds);
1242
1243         remove_proc_entry("model", diag);
1244         remove_proc_entry("gpiomask", diag);
1245         remove_proc_entry("diag", NULL);
1246 }
1247
1248 module_init(diag_init);
1249 module_exit(diag_exit);
1250
1251 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1252 MODULE_LICENSE("GPL");