package/broadcom-diag/src/diag.c

   1 /*
   2  * diag.c - GPIO interface driver for Broadcom boards
   3  *
   4  * Copyright (C) 2006 Mike Baker <mbm@openwrt.org>,
   5  * Copyright (C) 2006-2007 Felix Fietkau <nbd@openwrt.org>
   6  * Copyright (C) 2008 Andy Boyett <agb@openwrt.org>
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; either version 2
  11  * of the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21  *
  22  */
  23 #include <linux/module.h>
  24 #include <linux/pci.h>
  25 #include <linux/kmod.h>
  26 #include <linux/proc_fs.h>
  27 #include <linux/timer.h>
  28 #include <linux/version.h>
  29 #include <asm/uaccess.h>
  30
  31 #ifndef LINUX_2_4
  32 #include <linux/workqueue.h>
  33 #include <linux/skbuff.h>
  34 #include <linux/netlink.h>
  35 #include <net/sock.h>
  36 extern struct sock *uevent_sock;
  37 extern u64 uevent_next_seqnum(void);
  38 #else
  39 #include <linux/tqueue.h>
  40 #define INIT_WORK INIT_TQUEUE
  41 #define schedule_work schedule_task
  42 #define work_struct tq_struct
  43 #endif
  44
  45 #include "gpio.h"
  46 #include "diag.h"
  47 #define getvar(str) (nvram_get(str)?:"")
  48
  49 static inline int startswith (char *source, char *cmp) { return !strncmp(source,cmp,strlen(cmp)); }
  50 static int fill_event(struct event_t *);
  51 static unsigned int gpiomask = 0;
  52 module_param(gpiomask, int, 0644);
  53
  54 enum {
  55         /* Linksys */
  56         WAP54GV1,
  57         WAP54GV2,
  58         WAP54GV3,
  59         WRT54GV1,
  60         WRT54G,
  61         WRTSL54GS,
  62         WRT54G3G,
  63         WRT350N,
  64         WRT600N,
  65         WRT600NV11,
  66
  67         /* ASUS */
  68         WLHDD,
  69         WL300G,
  70         WL320GE,
  71         WL330GE,
  72         WL500G,
  73         WL500GD,
  74         WL500GP,
  75         WL500GPV2,
  76         WL500W,
  77         WL520GC,
  78         WL520GU,
  79         ASUS_4702,
  80         WL700GE,
  81
  82         /* Buffalo */
  83         WBR2_G54,
  84         WHR_G54S,
  85         WHR_HP_G54,
  86         WHR_G125,
  87         WHR2_A54G54,
  88         WLA2_G54L,
  89         WZR_G300N,
  90         WZR_RS_G54,
  91         WZR_RS_G54HP,
  92         BUFFALO_UNKNOWN,
  93         BUFFALO_UNKNOWN_4710,
  94
  95         /* Siemens */
  96         SE505V1,
  97         SE505V2,
  98
  99         /* US Robotics */
 100         USR5461,
 101
 102         /* Dell */
 103         TM2300,
 104         TM2300V2,
 105
 106         /* Motorola */
 107         WE800G,
 108         WR850GV1,
 109         WR850GV2V3,
 110         WR850GP,
 111
 112         /* Belkin */
 113         BELKIN_UNKNOWN,
 114
 115         /* Netgear */
 116         WGT634U,
 117
 118         /* Trendware */
 119         TEW411BRPP,
 120
 121         /* SimpleTech */
 122         STI_NAS,
 123
 124         /* D-Link */
 125         DIR130,
 126         DIR330,
 127         DWL3150,
 128
 129         /* Sitecom */
 130         WL105B,
 131 };
 132
 133 static void __init bcm4780_init(void) {
 134                 int pin = 1 << 3;
 135
 136                 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
 137                 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
 138                 gpio_outen(pin, pin);
 139                 gpio_control(pin, 0);
 140                 gpio_out(pin, pin);
 141
 142                 /* Wait 5s, so the HDD can spin up */
 143                 set_current_state(TASK_INTERRUPTIBLE);
 144                 schedule_timeout(HZ * 5);
 145 }
 146
 147 static void __init bcm57xx_init(void) {
 148         int pin = 1 << 2;
 149
 150 #ifndef LINUX_2_4
 151         /* FIXME: switch comes up, but port mappings/vlans not right */
 152         gpio_outen(pin, pin);
 153         gpio_control(pin, 0);
 154         gpio_out(pin, pin);
 155 #endif
 156 }
 157
 158 static struct platform_t __initdata platforms[] = {
 159         /* Linksys */
 160         [WAP54GV1] = {
 161                 .name           = "Linksys WAP54G V1",
 162                 .buttons        = {
 163                         { .name = "reset",      .gpio = 1 << 0 },
 164                 },
 165                 .leds           = {
 166                         { .name = "diag",       .gpio = 1 << 3 },
 167                         { .name = "wlan",       .gpio = 1 << 4 },
 168                 },
 169         },
 170         [WAP54GV2] = {
 171                 .name           = "Linksys WAP54G V2",
 172                 .buttons        = {
 173                         { .name = "reset",      .gpio = 1 << 0 },
 174                 },
 175                 .leds           = {
 176                         { .name = "wlan",       .gpio = 1 << 5, .polarity = REVERSE },
 177                         /* GPIO 6 is b44 (eth0, LAN) PHY power */
 178                 },
 179         },
 180         [WAP54GV3] = {
 181                 .name           = "Linksys WAP54G V3",
 182                 .buttons        = {
 183                         /* FIXME: verify this */
 184                         { .name = "reset",      .gpio = 1 << 7 },
 185                         { .name = "ses",        .gpio = 1 << 0 },
 186                 },
 187                 .leds           = {
 188                         /* FIXME: diag? */
 189                         { .name = "ses",        .gpio = 1 << 1 },
 190                 },
 191         },
 192         [WRT54GV1] = {
 193                 .name           = "Linksys WRT54G V1.x",
 194                 .buttons        = {
 195                         { .name = "reset",      .gpio = 1 << 6 },
 196                 },
 197                 .leds           = {
 198                         { .name = "diag",       .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 199                         { .name = "dmz",        .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 200                 },
 201         },
 202         [WRT54G] = {
 203                 .name           = "Linksys WRT54G/GS/GL",
 204                 .buttons        = {
 205                         { .name = "reset",      .gpio = 1 << 6 },
 206                         { .name = "ses",        .gpio = 1 << 4 },
 207                 },
 208                 .leds           = {
 209                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 210                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 211                         { .name = "ses_white",  .gpio = 1 << 2, .polarity = REVERSE },
 212                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 213                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 214                 },
 215         },
 216         [WRTSL54GS] = {
 217                 .name           = "Linksys WRTSL54GS",
 218                 .buttons        = {
 219                         { .name = "reset",      .gpio = 1 << 6 },
 220                         { .name = "ses",        .gpio = 1 << 4 },
 221                 },
 222                 .leds           = {
 223                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 224                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },
 225                         { .name = "ses_white",  .gpio = 1 << 5, .polarity = REVERSE },
 226                         { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
 227                 },
 228         },
 229         [WRT54G3G] = {
 230                 .name           = "Linksys WRT54G3G",
 231                 .buttons        = {
 232                         { .name = "reset",      .gpio = 1 << 6 },
 233                         { .name = "3g",         .gpio = 1 << 4 },
 234                 },
 235                 .leds           = {
 236                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 237                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 238                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 239                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 240                         { .name = "3g_blink",   .gpio = 1 << 5, .polarity = NORMAL },
 241                 },
 242         },
 243         [WRT350N] = {
 244                 .name           = "Linksys WRT350N",
 245                 .buttons        = {
 246                         { .name = "reset",      .gpio = 1 << 6 },
 247                         { .name = "ses",        .gpio = 1 << 8 },
 248                 },
 249                 .leds           = {
 250                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 251                         { .name = "ses_amber",  .gpio = 1 << 3, .polarity = REVERSE },
 252                         { .name = "ses_green",  .gpio = 1 << 9, .polarity = REVERSE },
 253                         { .name = "usb_blink",  .gpio = 1 << 10, .polarity = REVERSE },
 254                         { .name = "usb",        .gpio = 1 << 11, .polarity = REVERSE },
 255                 },
 256                 .platform_init = bcm57xx_init,
 257         },
 258         [WRT600N] = {
 259                 .name           = "Linksys WRT600N",
 260                 .buttons        = {
 261                         { .name = "reset",      .gpio = 1 << 6 },
 262                         { .name = "ses",        .gpio = 1 << 7 },
 263                 },
 264                 .leds           = {
 265                         { .name = "power",              .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 266                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 267                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 268                         { .name = "wl0_ses_green",      .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 269                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 270                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 271                 },
 272                 .platform_init = bcm57xx_init,
 273         },
 274         [WRT600NV11] = {
 275                 .name           = "Linksys WRT600N V1.1",
 276                 .buttons        = {
 277                         { .name = "reset",      .gpio = 1 << 6 },
 278                         { .name = "ses",        .gpio = 1 << 7 },
 279                 },
 280                 .leds           = {
 281                         { .name = "power",             .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 282                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 283                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 284                         { .name = "wl0_ses_green",     .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 285                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 286                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 287                 },
 288                 .platform_init = bcm57xx_init,
 289         },
 290         /* Asus */
 291         [WLHDD] = {
 292                 .name           = "ASUS WL-HDD",
 293                 .buttons        = {
 294                         { .name = "reset",      .gpio = 1 << 6 },
 295                 },
 296                 .leds           = {
 297                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 298                         { .name = "usb",        .gpio = 1 << 2, .polarity = NORMAL },
 299                 },
 300         },
 301         [WL300G] = {
 302                 .name           = "ASUS WL-300g",
 303                 .buttons        = {
 304                         { .name = "reset",      .gpio = 1 << 6 },
 305                 },
 306                 .leds           = {
 307                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 308                 },
 309         },
 310         [WL320GE] = {
 311                 .name           = "ASUS WL-320gE/WL-320gP",
 312                 .buttons        = {
 313                         { .name = "reset",      .gpio = 1 << 6 },
 314                 },
 315                 .leds           = {
 316                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 317                         { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
 318                         { .name = "link",       .gpio = 1 << 11, .polarity = REVERSE },
 319                 },
 320         },
 321         [WL330GE] = {
 322                 .name           = "ASUS WL-330gE",
 323                 .buttons        = {
 324                         { .name = "reset",      .gpio = 1 << 2 },
 325                 },
 326                 .leds           = {
 327                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 328                 },
 329         },
 330         [WL500G] = {
 331                 .name           = "ASUS WL-500g",
 332                 .buttons        = {
 333                         { .name = "reset",      .gpio = 1 << 6 },
 334                 },
 335                 .leds           = {
 336                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 337                 },
 338         },
 339         [WL500GD] = {
 340                 .name           = "ASUS WL-500g Deluxe",
 341                 .buttons        = {
 342                         { .name = "reset",      .gpio = 1 << 6 },
 343                 },
 344                 .leds           = {
 345                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 346                 },
 347         },
 348         [WL500GP] = {
 349                 .name           = "ASUS WL-500g Premium",
 350                 .buttons        = {
 351                         { .name = "reset",      .gpio = 1 << 0 },
 352                         { .name = "ses",        .gpio = 1 << 4 },
 353                 },
 354                 .leds           = {
 355                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 356                 },
 357         },
 358         [WL500GPV2] = {
 359                 .name           = "ASUS WL-500g Premium V2",
 360                 .buttons        = {
 361                         { .name = "reset",      .gpio = 1 << 2 },
 362                         { .name = "ses",        .gpio = 1 << 3 },
 363                 },
 364                 .leds           = {
 365                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 366                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 367                 },
 368         },
 369         [WL500W] = {
 370                 .name           = "ASUS WL-500W",
 371                 .buttons        = {
 372                         { .name = "reset",      .gpio = 1 << 6 },
 373                         { .name = "ses",        .gpio = 1 << 7 },
 374                 },
 375                 .leds           = {
 376                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 377                 },
 378         },
 379         [WL520GC] = {
 380                 .name           = "ASUS WL-520GC",
 381                 .buttons        = {
 382                         { .name = "reset",      .gpio = 1 << 2 },
 383                         { .name = "ses",        .gpio = 1 << 3 },
 384                 },
 385                 .leds           = {
 386                 { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 387                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 388                 },
 389         },
 390         [WL520GU] = {
 391                 .name           = "ASUS WL-520gU",
 392                 .buttons        = {
 393                         { .name = "reset",      .gpio = 1 << 2 },
 394                         { .name = "ses",        .gpio = 1 << 3 },
 395                 },
 396                 .leds           = {
 397                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 398                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 399                 },
 400         },
 401         [ASUS_4702] = {
 402                 .name           = "ASUS (unknown, BCM4702)",
 403                 .buttons        = {
 404                         { .name = "reset",      .gpio = 1 << 6 },
 405                 },
 406                 .leds           = {
 407                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 408                 },
 409         },
 410         [WL700GE] = {
 411                 .name           = "ASUS WL-700gE",
 412                 .buttons        = {
 413                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 414                         { .name = "ses",        .gpio = 1 << 4 }, // on back, actual name ezsetup
 415                         { .name = "power",      .gpio = 1 << 0 }, // on front
 416                         { .name = "copy",       .gpio = 1 << 6 }, // on front
 417                 },
 418                 .leds           = {
 419 #if 0
 420                         // GPIO that controls power led also enables/disables some essential functions
 421                         // - power to HDD
 422                         // - switch leds
 423                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },  // actual name power
 424 #endif
 425                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 426                 },
 427                 .platform_init = bcm4780_init,
 428         },
 429         /* Buffalo */
 430         [WHR_G54S] = {
 431                 .name           = "Buffalo WHR-G54S",
 432                 .buttons        = {
 433                         { .name = "reset",      .gpio = 1 << 4 },
 434                         { .name = "bridge",     .gpio = 1 << 5 },
 435                         { .name = "ses",        .gpio = 1 << 0 },
 436                 },
 437                 .leds           = {
 438                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 439                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 440                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 441                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 442                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 443                 },
 444         },
 445         [WBR2_G54] = {
 446                 .name           = "Buffalo WBR2-G54",
 447                 /* FIXME: verify */
 448                 .buttons        = {
 449                         { .name = "reset",      .gpio = 1 << 7 },
 450                 },
 451                 .leds           = {
 452                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 453                 },
 454         },
 455         [WHR_HP_G54] = {
 456                 .name           = "Buffalo WHR-HP-G54",
 457                 .buttons        = {
 458                         { .name = "reset",      .gpio = 1 << 4 },
 459                         { .name = "bridge",     .gpio = 1 << 5 },
 460                         { .name = "ses",        .gpio = 1 << 0 },
 461                 },
 462                 .leds           = {
 463                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 464                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 465                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 466                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 467                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 468                 },
 469         },
 470         [WHR_G125] = {
 471                 .name           = "Buffalo WHR-G125",
 472                 .buttons        = {
 473                         { .name = "reset",      .gpio = 1 << 4 },
 474                         { .name = "bridge",     .gpio = 1 << 5 },
 475                         { .name = "ses",        .gpio = 1 << 0 },
 476                 },
 477                 .leds           = {
 478                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 479                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 480                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 481                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 482                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 483                 },
 484         },
 485         [WHR2_A54G54] = {
 486                 .name           = "Buffalo WHR2-A54G54",
 487                 .buttons        = {
 488                         { .name = "reset",      .gpio = 1 << 4 },
 489                 },
 490                 .leds           = {
 491                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 492                 },
 493         },
 494         [WLA2_G54L] = {
 495                 .name           = "Buffalo WLA2-G54L",
 496                 /* FIXME: verify */
 497                 .buttons        = {
 498                         { .name = "reset",      .gpio = 1 << 7 },
 499                 },
 500                 .leds           = {
 501                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 502                 },
 503         },
 504         [WZR_G300N] = {
 505                 .name           = "Buffalo WZR-G300N",
 506                 .buttons        = {
 507                         { .name = "reset",      .gpio = 1 << 4 },
 508                 },
 509                 .leds           = {
 510                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 511                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 512                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 513                 },
 514         },
 515         [WZR_RS_G54] = {
 516                 .name           = "Buffalo WZR-RS-G54",
 517                 .buttons        = {
 518                         { .name = "ses",        .gpio = 1 << 0 },
 519                         { .name = "reset",      .gpio = 1 << 4 },
 520                 },
 521                 .leds           = {
 522                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 523                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 524                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 525                 },
 526         },
 527         [WZR_RS_G54HP] = {
 528                 .name           = "Buffalo WZR-RS-G54HP",
 529                 .buttons        = {
 530                         { .name = "ses",        .gpio = 1 << 0 },
 531                         { .name = "reset",      .gpio = 1 << 4 },
 532                 },
 533                 .leds           = {
 534                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 535                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 536                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 537                 },
 538         },
 539         [BUFFALO_UNKNOWN] = {
 540                 .name           = "Buffalo (unknown)",
 541                 .buttons        = {
 542                         { .name = "reset",      .gpio = 1 << 7 },
 543                 },
 544                 .leds           = {
 545                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 546                 },
 547         },
 548         [BUFFALO_UNKNOWN_4710] = {
 549                 .name           = "Buffalo (unknown, BCM4710)",
 550                 .buttons        = {
 551                         { .name = "reset",      .gpio = 1 << 4 },
 552                 },
 553                 .leds           = {
 554                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 555                 },
 556         },
 557         /* Siemens */
 558         [SE505V1] = {
 559                 .name           = "Siemens SE505 V1",
 560                 .buttons        = {
 561                         /* No usable buttons */
 562                 },
 563                 .leds           = {
 564 //                      { .name = "power",      .gpio = 1 << 0  .polarity = REVERSE },  // Usable when retrofitting D26 (?)
 565                         { .name = "dmz",        .gpio = 1 << 4, .polarity = REVERSE },  // actual name WWW
 566                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 567                 },
 568         },
 569         [SE505V2] = {
 570                 .name           = "Siemens SE505 V2",
 571                 .buttons        = {
 572                         /* No usable buttons */
 573                 },
 574                 .leds           = {
 575                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 576                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },  // actual name WWW
 577                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 578                 },
 579         },
 580         /* US Robotics */
 581         [USR5461] = {
 582                 .name           = "U.S. Robotics USR5461",
 583                 .buttons        = {
 584                         /* No usable buttons */
 585                 },
 586                 .leds           = {
 587                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 588                         { .name = "printer",    .gpio = 1 << 1, .polarity = REVERSE },
 589                 },
 590         },
 591         /* Dell */
 592         [TM2300] = {
 593                 .name           = "Dell TrueMobile 2300",
 594                 .buttons        = {
 595                         { .name = "reset",      .gpio = 1 << 0 },
 596                 },
 597                 .leds           = {
 598                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 599                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 600                 },
 601         },
 602         [TM2300V2] = {
 603                 .name           = "Dell TrueMobile 2300 v2",
 604                 .buttons        = {
 605                         { .name = "reset",      .gpio = 1 << 0 },
 606                 },
 607                 .leds           = {
 608                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 609                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 610                 },
 611         },
 612         /* Motorola */
 613         [WE800G] = {
 614                 .name           = "Motorola WE800G",
 615                 .buttons        = {
 616                         { .name = "reset",      .gpio = 1 << 0 },
 617                 },
 618                 .leds           = {
 619                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 620                         { .name = "diag",       .gpio = 1 << 2, .polarity = REVERSE },
 621                         { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
 622                 },
 623         },
 624         [WR850GV1] = {
 625                 .name           = "Motorola WR850G V1",
 626                 .buttons        = {
 627                         { .name = "reset",      .gpio = 1 << 0 },
 628                 },
 629                 .leds           = {
 630                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 631                         { .name = "diag",       .gpio = 1 << 3, .polarity = REVERSE },
 632                         { .name = "dmz",        .gpio = 1 << 6, .polarity = NORMAL },
 633                         { .name = "wlan_red",   .gpio = 1 << 5, .polarity = REVERSE },
 634                         { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
 635                 },
 636         },
 637         [WR850GV2V3] = {
 638                 .name           = "Motorola WR850G V2/V3",
 639                 .buttons        = {
 640                         { .name = "reset",      .gpio = 1 << 5 },
 641                 },
 642                 .leds           = {
 643                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 644                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 645                         { .name = "wan",        .gpio = 1 << 6, .polarity = INPUT },
 646                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 647                 },
 648         },
 649         [WR850GP] = {
 650                 .name           = "Motorola WR850GP",
 651                 .buttons        = {
 652                         { .name = "reset",      .gpio = 1 << 5 },
 653                 },
 654                 .leds           = {
 655                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 656                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 657                         { .name = "dmz",        .gpio = 1 << 6, .polarity = REVERSE },
 658                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 659                 },
 660         },
 661
 662         /* Belkin */
 663         [BELKIN_UNKNOWN] = {
 664                 .name           = "Belkin (unknown)",
 665                 /* FIXME: verify & add detection */
 666                 .buttons        = {
 667                         { .name = "reset",      .gpio = 1 << 7 },
 668                 },
 669                 .leds           = {
 670                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },
 671                         { .name = "wlan",       .gpio = 1 << 3, .polarity = NORMAL },
 672                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
 673                 },
 674         },
 675         /* Netgear */
 676         [WGT634U] = {
 677                 .name           = "Netgear WGT634U",
 678                 .buttons        = {
 679                         { .name = "reset",      .gpio = 1 << 2 },
 680                 },
 681                 .leds           = {
 682                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
 683                 },
 684         },
 685         /* Trendware */
 686         [TEW411BRPP] = {
 687                 .name           = "Trendware TEW411BRP+",
 688                 .buttons        = {
 689                         { /* No usable buttons */ },
 690                 },
 691                 .leds           = {
 692                         { .name = "power",      .gpio = 1 << 7, .polarity = NORMAL },
 693                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },
 694                         { .name = "bridge",     .gpio = 1 << 6, .polarity = NORMAL },
 695                 },
 696         },
 697         /* SimpleTech */
 698         [STI_NAS] = {
 699                 .name      = "SimpleTech SimpleShare NAS",
 700                 .buttons        = {
 701                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 702                         { .name = "power",      .gpio = 1 << 0 }, // on back
 703                 },
 704                 .leds      = {
 705                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 706                 },
 707                 .platform_init = bcm4780_init,
 708         },
 709         /* D-Link */
 710         [DIR130] = {
 711                 .name     = "D-Link DIR-130",
 712                 .buttons        = {
 713                         { .name = "reset",      .gpio = 1 << 3},
 714                         { .name = "reserved",   .gpio = 1 << 7},
 715                 },
 716                 .leds      = {
 717                         { .name = "diag",       .gpio = 1 << 0},
 718                         { .name = "blue",       .gpio = 1 << 6},
 719                 },
 720         },
 721         [DIR330] = {
 722                 .name     = "D-Link DIR-330",
 723                 .buttons        = {
 724                         { .name = "reset",      .gpio = 1 << 3},
 725                         { .name = "reserved",   .gpio = 1 << 7},
 726                 },
 727                 .leds      = {
 728                         { .name = "diag",       .gpio = 1 << 0},
 729                         { .name = "usb",        .gpio = 1 << 4},
 730                         { .name = "blue",       .gpio = 1 << 6},
 731                 },
 732         },
 733         [DWL3150] = {
 734                 .name   = "D-Link DWL-3150",
 735                 .buttons        = {
 736                         { .name = "reset",      .gpio = 1 << 7},
 737                 },
 738                 .leds     = {
 739                         { .name = "diag",       .gpio = 1 << 2},
 740                         { .name = "status",     .gpio = 1 << 1},
 741                 },
 742         },
 743         /* Double check */
 744         [WL105B] = {
 745                 .name   = "Sitecom WL-105b",
 746                 .buttons        = {
 747                         { .name = "reset",      .gpio = 1 << 10},
 748                 },
 749                 .leds     = {
 750                         { .name = "wlan",       .gpio = 1 << 4},
 751                         { .name = "power",      .gpio = 1 << 3},
 752                 },
 753         },
 754 };
 755
 756 static struct platform_t __init *platform_detect(void)
 757 {
 758         char *boardnum, *boardtype, *buf;
 759
 760         if (strcmp(getvar("nvram_type"), "cfe") == 0)
 761                 return &platforms[WGT634U];
 762
 763         /* Look for a model identifier */
 764
 765         /* Based on "model_name" */
 766         if ((buf = nvram_get("model_name"))) {
 767                 if (!strcmp(buf, "DIR-130"))
 768                         return &platforms[DIR130];
 769                 if (!strcmp(buf, "DIR-330"))
 770                         return &platforms[DIR330];
 771         }
 772
 773         /* Based on "model_no" */
 774         if ((buf = nvram_get("model_no"))) {
 775                 if (startswith(buf,"WL700")) /* WL700* */
 776                         return &platforms[WL700GE];
 777         }
 778
 779         /* Based on "hardware_version" */
 780         if ((buf = nvram_get("hardware_version"))) {
 781                 if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
 782                         return &platforms[WL500GPV2];
 783                 if (startswith(buf,"WL520GC-")) /* WL520GU-* */
 784                         return &platforms[WL520GC];
 785                 if (startswith(buf,"WL520GU-")) /* WL520GU-* */
 786                         return &platforms[WL520GU];
 787                 if (startswith(buf,"WL330GE-")) /* WL330GE-* */
 788                         return &platforms[WL330GE];
 789         }
 790
 791         /* Based on "ModelId" */
 792         if ((buf = nvram_get("ModelId"))) {
 793                 if (!strcmp(buf, "WR850GP"))
 794                         return &platforms[WR850GP];
 795                 if (!strcmp(buf, "WR850G"))
 796                         return &platforms[WR850GV2V3];
 797                 if (!strcmp(buf, "WX-5565") && !strcmp(getvar("boardtype"),"bcm94710ap"))
 798                         return &platforms[TM2300]; /* Dell TrueMobile 2300 */
 799                 if (startswith(buf,"WE800G")) /* WE800G* */
 800                         return &platforms[WE800G];
 801         }
 802
 803         /* Buffalo */
 804         if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
 805                 /* Buffalo hardware, check id for specific hardware matches */
 806                 if (!strcmp(buf, "29bb0332"))
 807                         return &platforms[WBR2_G54];
 808                 if (!strcmp(buf, "29129"))
 809                         return &platforms[WLA2_G54L];
 810                 if (!strcmp(buf, "30189"))
 811                         return &platforms[WHR_HP_G54];
 812                 if (!strcmp(buf, "32093"))
 813                         return &platforms[WHR_G125];
 814                 if (!strcmp(buf, "30182"))
 815                         return &platforms[WHR_G54S];
 816                 if (!strcmp(buf, "290441dd"))
 817                         return &platforms[WHR2_A54G54];
 818                 if (!strcmp(buf, "31120"))
 819                         return &platforms[WZR_G300N];
 820                 if (!strcmp(buf, "30083"))
 821                         return &platforms[WZR_RS_G54];
 822                 if (!strcmp(buf, "30103"))
 823                         return &platforms[WZR_RS_G54HP];
 824         }
 825
 826         /* no easy model number, attempt to guess */
 827         boardnum = getvar("boardnum");
 828         boardtype = getvar("boardtype");
 829
 830         if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N  v1/V1.1 */
 831                 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
 832                         return &platforms[WRT600NV11];
 833
 834         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
 835                         return &platforms[WRT600N];
 836         }
 837
 838         if (startswith(getvar("pmon_ver"), "CFE")) {
 839                 /* CFE based - newer hardware */
 840                 if (!strcmp(boardnum, "42")) { /* Linksys */
 841                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
 842                                 return &platforms[WRT350N];
 843
 844                         if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
 845                                 return &platforms[WRT54G3G];
 846
 847                         if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
 848                                 return &platforms[WRTSL54GS];
 849
 850                         /* default to WRT54G */
 851                         return &platforms[WRT54G];
 852                 }
 853                 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
 854                         return &platforms[WAP54GV2];
 855
 856                 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
 857                         if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
 858                                 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
 859                 }
 860
 861                 if (!strcmp(boardnum, "45")) { /* ASUS */
 862                         if (!strcmp(boardtype,"0x042f"))
 863                                 return &platforms[WL500GP];
 864                         else if (!strcmp(boardtype,"0x0472"))
 865                                 return &platforms[WL500W];
 866                         else if (!strcmp(boardtype,"0x467"))
 867                                 return &platforms[WL320GE];
 868                         else
 869                                 return &platforms[WL500GD];
 870                 }
 871
 872                 if (!strcmp(boardnum, "10496"))
 873                         return &platforms[USR5461];
 874
 875                 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
 876                         return &platforms[SE505V2];
 877
 878         } else { /* PMON based - old stuff */
 879                 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
 880                         (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
 881                         return &platforms[WR850GV1];
 882                 }
 883                 if (startswith(boardtype, "bcm94710dev")) {
 884                         if (!strcmp(boardnum, "42"))
 885                                 return &platforms[WRT54GV1];
 886                         if (simple_strtoul(boardnum, NULL, 0) == 2)
 887                                 return &platforms[WAP54GV1];
 888                 }
 889                 if (startswith(getvar("hardware_version"), "WL500-"))
 890                         return &platforms[WL500G];
 891                 if (startswith(getvar("hardware_version"), "WL300-")) {
 892                         /* Either WL-300g or WL-HDD, do more extensive checks */
 893                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
 894                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
 895                                 return &platforms[WLHDD];
 896                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
 897                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
 898                                 return &platforms[WL300G];
 899                 }
 900                 /* Sitecom WL-105b */
 901                 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
 902                         return &platforms[WL105B];
 903
 904                 /* unknown asus stuff, probably bcm4702 */
 905                 if (startswith(boardnum, "asusX"))
 906                         return &platforms[ASUS_4702];
 907         }
 908
 909         if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
 910                 if (startswith(boardtype, "bcm94710ap"))
 911                         return &platforms[BUFFALO_UNKNOWN_4710];
 912                 else
 913                         return &platforms[BUFFALO_UNKNOWN];
 914         }
 915
 916         if (startswith(getvar("CFEver"), "MotoWRv2") ||
 917                 startswith(getvar("CFEver"), "MotoWRv3") ||
 918                 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
 919
 920                 return &platforms[WR850GV2V3];
 921         }
 922
 923         if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) {  /* Trendware TEW-411BRP+ */
 924                 return &platforms[TEW411BRPP];
 925         }
 926
 927         if (startswith(boardnum, "04FN52")) /* SimpleTech SimpleShare */
 928                 return &platforms[STI_NAS];
 929
 930         if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
 931                 return &platforms[DWL3150];
 932
 933         /* not found */
 934         return NULL;
 935 }
 936
 937 static void register_buttons(struct button_t *b)
 938 {
 939         for (; b->name; b++)
 940                 platform.button_mask |= b->gpio;
 941
 942         platform.button_mask &= ~gpiomask;
 943
 944         gpio_outen(platform.button_mask, 0);
 945         gpio_control(platform.button_mask, 0);
 946         platform.button_polarity = gpio_in() & platform.button_mask;
 947         gpio_intpolarity(platform.button_mask, platform.button_polarity);
 948         gpio_setintmask(platform.button_mask, platform.button_mask);
 949
 950         gpio_set_irqenable(1, button_handler);
 951 }
 952
 953 static void unregister_buttons(struct button_t *b)
 954 {
 955         gpio_setintmask(platform.button_mask, 0);
 956
 957         gpio_set_irqenable(0, button_handler);
 958 }
 959
 960
 961 #ifndef LINUX_2_4
 962 static void add_msg(struct event_t *event, char *msg, int argv)
 963 {
 964         char *s;
 965
 966         if (argv)
 967                 return;
 968
 969         s = skb_put(event->skb, strlen(msg) + 1);
 970         strcpy(s, msg);
 971 }
 972
 973 static void hotplug_button(struct work_struct *work)
 974 {
 975         struct event_t *event = container_of(work, struct event_t, wq);
 976         char *s;
 977
 978         if (!uevent_sock)
 979                 return;
 980
 981         event->skb = alloc_skb(2048, GFP_KERNEL);
 982
 983         s = skb_put(event->skb, strlen(event->action) + 2);
 984         sprintf(s, "%s@", event->action);
 985         fill_event(event);
 986
 987         NETLINK_CB(event->skb).dst_group = 1;
 988         netlink_broadcast(uevent_sock, event->skb, 0, 1, GFP_KERNEL);
 989
 990         kfree(event);
 991 }
 992
 993 #else /* !LINUX_2_4 */
 994 static inline char *kzalloc(unsigned int size, unsigned int gfp)
 995 {
 996         char *p;
 997
 998         p = kmalloc(size, gfp);
 999         if (p == NULL)
1000                 return NULL;
1001
1002         memset(p, 0, size);
1003
1004         return p;
1005 }
1006
1007 static void add_msg(struct event_t *event, char *msg, int argv)
1008 {
1009         if (argv)
1010                 event->argv[event->anr++] = event->scratch;
1011         else
1012                 event->envp[event->enr++] = event->scratch;
1013
1014         event->scratch += sprintf(event->scratch, "%s", msg) + 1;
1015 }
1016
1017 static void hotplug_button(struct event_t *event)
1018 {
1019         char *scratch = kzalloc(256, GFP_KERNEL);
1020         event->scratch = scratch;
1021
1022         add_msg(event, hotplug_path, 1);
1023         add_msg(event, "button", 1);
1024         fill_event(event);
1025         call_usermodehelper (event->argv[0], event->argv, event->envp);
1026         kfree(scratch);
1027         kfree(event);
1028 }
1029 #endif /* !LINUX_2_4 */
1030
1031 static int fill_event (struct event_t *event)
1032 {
1033         static char buf[128];
1034
1035         add_msg(event, "HOME=/", 0);
1036         add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1037         add_msg(event, "SUBSYSTEM=button", 0);
1038         snprintf(buf, 128, "ACTION=%s", event->action);
1039         add_msg(event, buf, 0);
1040         snprintf(buf, 128, "BUTTON=%s", event->name);
1041         add_msg(event, buf, 0);
1042         snprintf(buf, 128, "SEEN=%ld", event->seen);
1043         add_msg(event, buf, 0);
1044 #ifndef LINUX_2_4
1045         snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1046         add_msg(event, buf, 0);
1047 #endif
1048
1049         return 0;
1050 }
1051
1052
1053 #ifndef LINUX_2_4
1054 static irqreturn_t button_handler(int irq, void *dev_id)
1055 #else
1056 static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
1057 #endif
1058 {
1059         struct button_t *b;
1060         u32 in, changed;
1061
1062         in = gpio_in() & platform.button_mask;
1063         gpio_intpolarity(platform.button_mask, in);
1064         changed = platform.button_polarity ^ in;
1065         platform.button_polarity = in;
1066
1067         changed &= ~gpio_outen(0, 0);
1068
1069         for (b = platform.buttons; b->name; b++) {
1070                 struct event_t *event;
1071
1072                 if (!(b->gpio & changed)) continue;
1073
1074                 b->pressed ^= 1;
1075
1076                 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1077                         event->seen = (jiffies - b->seen)/HZ;
1078                         event->name = b->name;
1079                         event->action = b->pressed ? "pressed" : "released";
1080 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
1081                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1082 #else
1083                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
1084 #endif
1085                         schedule_work(&event->wq);
1086                 }
1087
1088                 b->seen = jiffies;
1089         }
1090         return IRQ_HANDLED;
1091 }
1092
1093 static void register_leds(struct led_t *l)
1094 {
1095         struct proc_dir_entry *p;
1096         u32 mask = 0;
1097         u32 oe_mask = 0;
1098         u32 val = 0;
1099
1100         leds = proc_mkdir("led", diag);
1101         if (!leds)
1102                 return;
1103
1104         for(; l->name; l++) {
1105                 if (l->gpio & gpiomask)
1106                         continue;
1107
1108                 if (l->gpio & GPIO_TYPE_EXTIF) {
1109                         l->state = 0;
1110                         set_led_extif(l);
1111                 } else {
1112                         if (l->polarity != INPUT) oe_mask |= l->gpio;
1113                         mask |= l->gpio;
1114                         val |= (l->polarity == NORMAL)?0:l->gpio;
1115                 }
1116
1117                 if (l->polarity == INPUT) continue;
1118
1119                 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1120                         l->proc.type = PROC_LED;
1121                         l->proc.ptr = l;
1122                         p->data = (void *) &l->proc;
1123                         p->proc_fops = &diag_proc_fops;
1124                 }
1125         }
1126
1127         gpio_outen(mask, oe_mask);
1128         gpio_control(mask, 0);
1129         gpio_out(mask, val);
1130         gpio_setintmask(mask, 0);
1131 }
1132
1133 static void unregister_leds(struct led_t *l)
1134 {
1135         for(; l->name; l++)
1136                 remove_proc_entry(l->name, leds);
1137
1138         remove_proc_entry("led", diag);
1139 }
1140
1141 static void set_led_extif(struct led_t *led)
1142 {
1143         gpio_set_extif(led->gpio, led->state);
1144 }
1145
1146 static void led_flash(unsigned long dummy) {
1147         struct led_t *l;
1148         u32 mask = 0;
1149         u8 extif_blink = 0;
1150
1151         for (l = platform.leds; l->name; l++) {
1152                 if (l->flash) {
1153                         if (l->gpio & GPIO_TYPE_EXTIF) {
1154                                 extif_blink = 1;
1155                                 l->state = !l->state;
1156                                 set_led_extif(l);
1157                         } else {
1158                                 mask |= l->gpio;
1159                         }
1160                 }
1161         }
1162
1163         mask &= ~gpiomask;
1164         if (mask) {
1165                 u32 val = ~gpio_in();
1166
1167                 gpio_outen(mask, mask);
1168                 gpio_control(mask, 0);
1169                 gpio_out(mask, val);
1170         }
1171         if (mask || extif_blink) {
1172                 mod_timer(&led_timer, jiffies + FLASH_TIME);
1173         }
1174 }
1175
1176 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1177 {
1178 #ifdef LINUX_2_4
1179         struct inode *inode = file->f_dentry->d_inode;
1180         struct proc_dir_entry *dent = inode->u.generic_ip;
1181 #else
1182         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1183 #endif
1184         char *page;
1185         int len = 0;
1186
1187         if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1188                 return -ENOBUFS;
1189
1190         if (dent->data != NULL) {
1191                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1192                 switch (handler->type) {
1193                         case PROC_LED: {
1194                                 struct led_t * led = (struct led_t *) handler->ptr;
1195                                 if (led->flash) {
1196                                         len = sprintf(page, "f\n");
1197                                 } else {
1198                                         if (led->gpio & GPIO_TYPE_EXTIF) {
1199                                                 len = sprintf(page, "%d\n", led->state);
1200                                         } else {
1201                                                 u32 in = (gpio_in() & led->gpio ? 1 : 0);
1202                                                 u8 p = (led->polarity == NORMAL ? 0 : 1);
1203                                                 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1204                                         }
1205                                 }
1206                                 break;
1207                         }
1208                         case PROC_MODEL:
1209                                 len = sprintf(page, "%s\n", platform.name);
1210                                 break;
1211                         case PROC_GPIOMASK:
1212                                 len = sprintf(page, "0x%04x\n", gpiomask);
1213                                 break;
1214                 }
1215         }
1216         len += 1;
1217
1218         if (*ppos < len) {
1219                 len = min_t(int, len - *ppos, count);
1220                 if (copy_to_user(buf, (page + *ppos), len)) {
1221                         kfree(page);
1222                         return -EFAULT;
1223                 }
1224                 *ppos += len;
1225         } else {
1226                 len = 0;
1227         }
1228
1229         kfree(page);
1230         return len;
1231 }
1232
1233
1234 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1235 {
1236 #ifdef LINUX_2_4
1237         struct inode *inode = file->f_dentry->d_inode;
1238         struct proc_dir_entry *dent = inode->u.generic_ip;
1239 #else
1240         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1241 #endif
1242         char *page;
1243         int ret = -EINVAL;
1244
1245         if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1246                 return -ENOBUFS;
1247
1248         if (copy_from_user(page, buf, count)) {
1249                 kfree(page);
1250                 return -EINVAL;
1251         }
1252         page[count] = 0;
1253
1254         if (dent->data != NULL) {
1255                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1256                 switch (handler->type) {
1257                         case PROC_LED: {
1258                                 struct led_t *led = (struct led_t *) handler->ptr;
1259                                 int p = (led->polarity == NORMAL ? 0 : 1);
1260
1261                                 if (page[0] == 'f') {
1262                                         led->flash = 1;
1263                                         led_flash(0);
1264                                 } else {
1265                                         led->flash = 0;
1266                                         if (led->gpio & GPIO_TYPE_EXTIF) {
1267                                                 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1268                                                 set_led_extif(led);
1269                                         } else {
1270                                                 gpio_outen(led->gpio, led->gpio);
1271                                                 gpio_control(led->gpio, 0);
1272                                                 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1273                                         }
1274                                 }
1275                                 break;
1276                         }
1277                         case PROC_GPIOMASK:
1278                                 gpiomask = simple_strtoul(page, NULL, 0);
1279
1280                                 if (platform.buttons) {
1281                                         unregister_buttons(platform.buttons);
1282                                         register_buttons(platform.buttons);
1283                                 }
1284
1285                                 if (platform.leds) {
1286                                         unregister_leds(platform.leds);
1287                                         register_leds(platform.leds);
1288                                 }
1289                                 break;
1290                 }
1291                 ret = count;
1292         }
1293
1294         kfree(page);
1295         return ret;
1296 }
1297
1298 static int __init diag_init(void)
1299 {
1300         static struct proc_dir_entry *p;
1301         static struct platform_t *detected;
1302
1303         detected = platform_detect();
1304         if (!detected) {
1305                 printk(MODULE_NAME ": Router model not detected.\n");
1306                 return -ENODEV;
1307         }
1308         memcpy(&platform, detected, sizeof(struct platform_t));
1309
1310         printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1311         if (platform.platform_init != NULL) {
1312                 platform.platform_init();
1313         }
1314
1315         if (!(diag = proc_mkdir("diag", NULL))) {
1316                 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1317                 return -EINVAL;
1318         }
1319
1320         if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1321                 p->data = (void *) &proc_model;
1322                 p->proc_fops = &diag_proc_fops;
1323         }
1324
1325         if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1326                 p->data = (void *) &proc_gpiomask;
1327                 p->proc_fops = &diag_proc_fops;
1328         }
1329
1330         if (platform.buttons)
1331                 register_buttons(platform.buttons);
1332
1333         if (platform.leds)
1334                 register_leds(platform.leds);
1335
1336         return 0;
1337 }
1338
1339 static void __exit diag_exit(void)
1340 {
1341         del_timer(&led_timer);
1342
1343         if (platform.buttons)
1344                 unregister_buttons(platform.buttons);
1345
1346         if (platform.leds)
1347                 unregister_leds(platform.leds);
1348
1349         remove_proc_entry("model", diag);
1350         remove_proc_entry("gpiomask", diag);
1351         remove_proc_entry("diag", NULL);
1352 }
1353
1354 module_init(diag_init);
1355 module_exit(diag_exit);
1356
1357 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1358 MODULE_LICENSE("GPL");