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         DIR320,
 127         DIR330,
 128         DWL3150,
 129
 130         /* Sitecom */
 131         WL105B,
 132 };
 133
 134 static void __init bcm4780_init(void) {
 135                 int pin = 1 << 3;
 136
 137                 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
 138                 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
 139                 gpio_outen(pin, pin);
 140                 gpio_control(pin, 0);
 141                 gpio_out(pin, pin);
 142
 143                 /* Wait 5s, so the HDD can spin up */
 144                 set_current_state(TASK_INTERRUPTIBLE);
 145                 schedule_timeout(HZ * 5);
 146 }
 147
 148 static void __init bcm57xx_init(void) {
 149         int pin = 1 << 2;
 150
 151 #ifndef LINUX_2_4
 152         /* FIXME: switch comes up, but port mappings/vlans not right */
 153         gpio_outen(pin, pin);
 154         gpio_control(pin, 0);
 155         gpio_out(pin, pin);
 156 #endif
 157 }
 158
 159 static struct platform_t __initdata platforms[] = {
 160         /* Linksys */
 161         [WAP54GV1] = {
 162                 .name           = "Linksys WAP54G V1",
 163                 .buttons        = {
 164                         { .name = "reset",      .gpio = 1 << 0 },
 165                 },
 166                 .leds           = {
 167                         { .name = "diag",       .gpio = 1 << 3 },
 168                         { .name = "wlan",       .gpio = 1 << 4 },
 169                 },
 170         },
 171         [WAP54GV2] = {
 172                 .name           = "Linksys WAP54G V2",
 173                 .buttons        = {
 174                         { .name = "reset",      .gpio = 1 << 0 },
 175                 },
 176                 .leds           = {
 177                         { .name = "wlan",       .gpio = 1 << 5, .polarity = REVERSE },
 178                         /* GPIO 6 is b44 (eth0, LAN) PHY power */
 179                 },
 180         },
 181         [WAP54GV3] = {
 182                 .name           = "Linksys WAP54G V3",
 183                 .buttons        = {
 184                         /* FIXME: verify this */
 185                         { .name = "reset",      .gpio = 1 << 7 },
 186                         { .name = "ses",        .gpio = 1 << 0 },
 187                 },
 188                 .leds           = {
 189                         /* FIXME: diag? */
 190                         { .name = "ses",        .gpio = 1 << 1 },
 191                 },
 192         },
 193         [WRT54GV1] = {
 194                 .name           = "Linksys WRT54G V1.x",
 195                 .buttons        = {
 196                         { .name = "reset",      .gpio = 1 << 6 },
 197                 },
 198                 .leds           = {
 199                         { .name = "diag",       .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 200                         { .name = "dmz",        .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 201                 },
 202         },
 203         [WRT54G] = {
 204                 .name           = "Linksys WRT54G/GS/GL",
 205                 .buttons        = {
 206                         { .name = "reset",      .gpio = 1 << 6 },
 207                         { .name = "ses",        .gpio = 1 << 4 },
 208                 },
 209                 .leds           = {
 210                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 211                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 212                         { .name = "ses_white",  .gpio = 1 << 2, .polarity = REVERSE },
 213                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 214                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 215                 },
 216         },
 217         [WRTSL54GS] = {
 218                 .name           = "Linksys WRTSL54GS",
 219                 .buttons        = {
 220                         { .name = "reset",      .gpio = 1 << 6 },
 221                         { .name = "ses",        .gpio = 1 << 4 },
 222                 },
 223                 .leds           = {
 224                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 225                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },
 226                         { .name = "ses_white",  .gpio = 1 << 5, .polarity = REVERSE },
 227                         { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
 228                 },
 229         },
 230         [WRT54G3G] = {
 231                 .name           = "Linksys WRT54G3G",
 232                 .buttons        = {
 233                         { .name = "reset",      .gpio = 1 << 6 },
 234                         { .name = "3g",         .gpio = 1 << 4 },
 235                 },
 236                 .leds           = {
 237                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 238                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 239                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 240                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 241                         { .name = "3g_blink",   .gpio = 1 << 5, .polarity = NORMAL },
 242                 },
 243         },
 244         [WRT350N] = {
 245                 .name           = "Linksys WRT350N",
 246                 .buttons        = {
 247                         { .name = "reset",      .gpio = 1 << 6 },
 248                         { .name = "ses",        .gpio = 1 << 8 },
 249                 },
 250                 .leds           = {
 251                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 252                         { .name = "ses_amber",  .gpio = 1 << 3, .polarity = REVERSE },
 253                         { .name = "ses_green",  .gpio = 1 << 9, .polarity = REVERSE },
 254                         { .name = "usb_blink",  .gpio = 1 << 10, .polarity = REVERSE },
 255                         { .name = "usb",        .gpio = 1 << 11, .polarity = REVERSE },
 256                 },
 257                 .platform_init = bcm57xx_init,
 258         },
 259         [WRT600N] = {
 260                 .name           = "Linksys WRT600N",
 261                 .buttons        = {
 262                         { .name = "reset",      .gpio = 1 << 6 },
 263                         { .name = "ses",        .gpio = 1 << 7 },
 264                 },
 265                 .leds           = {
 266                         { .name = "power",              .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 267                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 268                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 269                         { .name = "wl0_ses_green",      .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 270                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 271                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 272                 },
 273                 .platform_init = bcm57xx_init,
 274         },
 275         [WRT600NV11] = {
 276                 .name           = "Linksys WRT600N V1.1",
 277                 .buttons        = {
 278                         { .name = "reset",      .gpio = 1 << 6 },
 279                         { .name = "ses",        .gpio = 1 << 7 },
 280                 },
 281                 .leds           = {
 282                         { .name = "power",             .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 283                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 284                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 285                         { .name = "wl0_ses_green",     .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 286                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 287                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 288                 },
 289                 .platform_init = bcm57xx_init,
 290         },
 291         /* Asus */
 292         [WLHDD] = {
 293                 .name           = "ASUS WL-HDD",
 294                 .buttons        = {
 295                         { .name = "reset",      .gpio = 1 << 6 },
 296                 },
 297                 .leds           = {
 298                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 299                         { .name = "usb",        .gpio = 1 << 2, .polarity = NORMAL },
 300                 },
 301         },
 302         [WL300G] = {
 303                 .name           = "ASUS WL-300g",
 304                 .buttons        = {
 305                         { .name = "reset",      .gpio = 1 << 6 },
 306                 },
 307                 .leds           = {
 308                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 309                 },
 310         },
 311         [WL320GE] = {
 312                 .name           = "ASUS WL-320gE/WL-320gP",
 313                 .buttons        = {
 314                         { .name = "reset",      .gpio = 1 << 6 },
 315                 },
 316                 .leds           = {
 317                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 318                         { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
 319                         { .name = "link",       .gpio = 1 << 11, .polarity = REVERSE },
 320                 },
 321         },
 322         [WL330GE] = {
 323                 .name           = "ASUS WL-330gE",
 324                 .buttons        = {
 325                         { .name = "reset",      .gpio = 1 << 2 },
 326                 },
 327                 .leds           = {
 328                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 329                 },
 330         },
 331         [WL500G] = {
 332                 .name           = "ASUS WL-500g",
 333                 .buttons        = {
 334                         { .name = "reset",      .gpio = 1 << 6 },
 335                 },
 336                 .leds           = {
 337                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 338                 },
 339         },
 340         [WL500GD] = {
 341                 .name           = "ASUS WL-500g Deluxe",
 342                 .buttons        = {
 343                         { .name = "reset",      .gpio = 1 << 6 },
 344                 },
 345                 .leds           = {
 346                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 347                 },
 348         },
 349         [WL500GP] = {
 350                 .name           = "ASUS WL-500g Premium",
 351                 .buttons        = {
 352                         { .name = "reset",      .gpio = 1 << 0 },
 353                         { .name = "ses",        .gpio = 1 << 4 },
 354                 },
 355                 .leds           = {
 356                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 357                 },
 358         },
 359         [WL500GPV2] = {
 360                 .name           = "ASUS WL-500g Premium V2",
 361                 .buttons        = {
 362                         { .name = "reset",      .gpio = 1 << 2 },
 363                         { .name = "ses",        .gpio = 1 << 3 },
 364                 },
 365                 .leds           = {
 366                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 367                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 368                 },
 369         },
 370         [WL500W] = {
 371                 .name           = "ASUS WL-500W",
 372                 .buttons        = {
 373                         { .name = "reset",      .gpio = 1 << 6 },
 374                         { .name = "ses",        .gpio = 1 << 7 },
 375                 },
 376                 .leds           = {
 377                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 378                 },
 379         },
 380         [WL520GC] = {
 381                 .name           = "ASUS WL-520GC",
 382                 .buttons        = {
 383                         { .name = "reset",      .gpio = 1 << 2 },
 384                         { .name = "ses",        .gpio = 1 << 3 },
 385                 },
 386                 .leds           = {
 387                 { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 388                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 389                 },
 390         },
 391         [WL520GU] = {
 392                 .name           = "ASUS WL-520gU",
 393                 .buttons        = {
 394                         { .name = "reset",      .gpio = 1 << 2 },
 395                         { .name = "ses",        .gpio = 1 << 3 },
 396                 },
 397                 .leds           = {
 398                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 399                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 400                 },
 401         },
 402         [ASUS_4702] = {
 403                 .name           = "ASUS (unknown, BCM4702)",
 404                 .buttons        = {
 405                         { .name = "reset",      .gpio = 1 << 6 },
 406                 },
 407                 .leds           = {
 408                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 409                 },
 410         },
 411         [WL700GE] = {
 412                 .name           = "ASUS WL-700gE",
 413                 .buttons        = {
 414                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 415                         { .name = "ses",        .gpio = 1 << 4 }, // on back, actual name ezsetup
 416                         { .name = "power",      .gpio = 1 << 0 }, // on front
 417                         { .name = "copy",       .gpio = 1 << 6 }, // on front
 418                 },
 419                 .leds           = {
 420 #if 0
 421                         // GPIO that controls power led also enables/disables some essential functions
 422                         // - power to HDD
 423                         // - switch leds
 424                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },  // actual name power
 425 #endif
 426                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 427                 },
 428                 .platform_init = bcm4780_init,
 429         },
 430         /* Buffalo */
 431         [WHR_G54S] = {
 432                 .name           = "Buffalo WHR-G54S",
 433                 .buttons        = {
 434                         { .name = "reset",      .gpio = 1 << 4 },
 435                         { .name = "bridge",     .gpio = 1 << 5 },
 436                         { .name = "ses",        .gpio = 1 << 0 },
 437                 },
 438                 .leds           = {
 439                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 440                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 441                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 442                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 443                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 444                 },
 445         },
 446         [WBR2_G54] = {
 447                 .name           = "Buffalo WBR2-G54",
 448                 /* FIXME: verify */
 449                 .buttons        = {
 450                         { .name = "reset",      .gpio = 1 << 7 },
 451                 },
 452                 .leds           = {
 453                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 454                 },
 455         },
 456         [WHR_HP_G54] = {
 457                 .name           = "Buffalo WHR-HP-G54",
 458                 .buttons        = {
 459                         { .name = "reset",      .gpio = 1 << 4 },
 460                         { .name = "bridge",     .gpio = 1 << 5 },
 461                         { .name = "ses",        .gpio = 1 << 0 },
 462                 },
 463                 .leds           = {
 464                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 465                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 466                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 467                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 468                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 469                 },
 470         },
 471         [WHR_G125] = {
 472                 .name           = "Buffalo WHR-G125",
 473                 .buttons        = {
 474                         { .name = "reset",      .gpio = 1 << 4 },
 475                         { .name = "bridge",     .gpio = 1 << 5 },
 476                         { .name = "ses",        .gpio = 1 << 0 },
 477                 },
 478                 .leds           = {
 479                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 480                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 481                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 482                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 483                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 484                 },
 485         },
 486         [WHR2_A54G54] = {
 487                 .name           = "Buffalo WHR2-A54G54",
 488                 .buttons        = {
 489                         { .name = "reset",      .gpio = 1 << 4 },
 490                 },
 491                 .leds           = {
 492                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 493                 },
 494         },
 495         [WLA2_G54L] = {
 496                 .name           = "Buffalo WLA2-G54L",
 497                 /* FIXME: verify */
 498                 .buttons        = {
 499                         { .name = "reset",      .gpio = 1 << 7 },
 500                 },
 501                 .leds           = {
 502                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 503                 },
 504         },
 505         [WZR_G300N] = {
 506                 .name           = "Buffalo WZR-G300N",
 507                 .buttons        = {
 508                         { .name = "reset",      .gpio = 1 << 4 },
 509                 },
 510                 .leds           = {
 511                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 512                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 513                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 514                 },
 515         },
 516         [WZR_RS_G54] = {
 517                 .name           = "Buffalo WZR-RS-G54",
 518                 .buttons        = {
 519                         { .name = "ses",        .gpio = 1 << 0 },
 520                         { .name = "reset",      .gpio = 1 << 4 },
 521                 },
 522                 .leds           = {
 523                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 524                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 525                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 526                 },
 527         },
 528         [WZR_RS_G54HP] = {
 529                 .name           = "Buffalo WZR-RS-G54HP",
 530                 .buttons        = {
 531                         { .name = "ses",        .gpio = 1 << 0 },
 532                         { .name = "reset",      .gpio = 1 << 4 },
 533                 },
 534                 .leds           = {
 535                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 536                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 537                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 538                 },
 539         },
 540         [BUFFALO_UNKNOWN] = {
 541                 .name           = "Buffalo (unknown)",
 542                 .buttons        = {
 543                         { .name = "reset",      .gpio = 1 << 7 },
 544                 },
 545                 .leds           = {
 546                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 547                 },
 548         },
 549         [BUFFALO_UNKNOWN_4710] = {
 550                 .name           = "Buffalo (unknown, BCM4710)",
 551                 .buttons        = {
 552                         { .name = "reset",      .gpio = 1 << 4 },
 553                 },
 554                 .leds           = {
 555                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 556                 },
 557         },
 558         /* Siemens */
 559         [SE505V1] = {
 560                 .name           = "Siemens SE505 V1",
 561                 .buttons        = {
 562                         /* No usable buttons */
 563                 },
 564                 .leds           = {
 565 //                      { .name = "power",      .gpio = 1 << 0  .polarity = REVERSE },  // Usable when retrofitting D26 (?)
 566                         { .name = "dmz",        .gpio = 1 << 4, .polarity = REVERSE },  // actual name WWW
 567                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 568                 },
 569         },
 570         [SE505V2] = {
 571                 .name           = "Siemens SE505 V2",
 572                 .buttons        = {
 573                         /* No usable buttons */
 574                 },
 575                 .leds           = {
 576                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 577                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },  // actual name WWW
 578                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 579                 },
 580         },
 581         /* US Robotics */
 582         [USR5461] = {
 583                 .name           = "U.S. Robotics USR5461",
 584                 .buttons        = {
 585                         /* No usable buttons */
 586                 },
 587                 .leds           = {
 588                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 589                         { .name = "printer",    .gpio = 1 << 1, .polarity = REVERSE },
 590                 },
 591         },
 592         /* Dell */
 593         [TM2300] = {
 594                 .name           = "Dell TrueMobile 2300",
 595                 .buttons        = {
 596                         { .name = "reset",      .gpio = 1 << 0 },
 597                 },
 598                 .leds           = {
 599                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 600                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 601                 },
 602         },
 603         [TM2300V2] = {
 604                 .name           = "Dell TrueMobile 2300 v2",
 605                 .buttons        = {
 606                         { .name = "reset",      .gpio = 1 << 0 },
 607                 },
 608                 .leds           = {
 609                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 610                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 611                 },
 612         },
 613         /* Motorola */
 614         [WE800G] = {
 615                 .name           = "Motorola WE800G",
 616                 .buttons        = {
 617                         { .name = "reset",      .gpio = 1 << 0 },
 618                 },
 619                 .leds           = {
 620                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 621                         { .name = "diag",       .gpio = 1 << 2, .polarity = REVERSE },
 622                         { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
 623                 },
 624         },
 625         [WR850GV1] = {
 626                 .name           = "Motorola WR850G V1",
 627                 .buttons        = {
 628                         { .name = "reset",      .gpio = 1 << 0 },
 629                 },
 630                 .leds           = {
 631                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 632                         { .name = "diag",       .gpio = 1 << 3, .polarity = REVERSE },
 633                         { .name = "dmz",        .gpio = 1 << 6, .polarity = NORMAL },
 634                         { .name = "wlan_red",   .gpio = 1 << 5, .polarity = REVERSE },
 635                         { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
 636                 },
 637         },
 638         [WR850GV2V3] = {
 639                 .name           = "Motorola WR850G V2/V3",
 640                 .buttons        = {
 641                         { .name = "reset",      .gpio = 1 << 5 },
 642                 },
 643                 .leds           = {
 644                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 645                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 646                         { .name = "wan",        .gpio = 1 << 6, .polarity = INPUT },
 647                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 648                 },
 649         },
 650         [WR850GP] = {
 651                 .name           = "Motorola WR850GP",
 652                 .buttons        = {
 653                         { .name = "reset",      .gpio = 1 << 5 },
 654                 },
 655                 .leds           = {
 656                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 657                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 658                         { .name = "dmz",        .gpio = 1 << 6, .polarity = REVERSE },
 659                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 660                 },
 661         },
 662
 663         /* Belkin */
 664         [BELKIN_UNKNOWN] = {
 665                 .name           = "Belkin (unknown)",
 666                 /* FIXME: verify & add detection */
 667                 .buttons        = {
 668                         { .name = "reset",      .gpio = 1 << 7 },
 669                 },
 670                 .leds           = {
 671                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },
 672                         { .name = "wlan",       .gpio = 1 << 3, .polarity = NORMAL },
 673                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
 674                 },
 675         },
 676         /* Netgear */
 677         [WGT634U] = {
 678                 .name           = "Netgear WGT634U",
 679                 .buttons        = {
 680                         { .name = "reset",      .gpio = 1 << 2 },
 681                 },
 682                 .leds           = {
 683                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
 684                 },
 685         },
 686         /* Trendware */
 687         [TEW411BRPP] = {
 688                 .name           = "Trendware TEW411BRP+",
 689                 .buttons        = {
 690                         { /* No usable buttons */ },
 691                 },
 692                 .leds           = {
 693                         { .name = "power",      .gpio = 1 << 7, .polarity = NORMAL },
 694                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },
 695                         { .name = "bridge",     .gpio = 1 << 6, .polarity = NORMAL },
 696                 },
 697         },
 698         /* SimpleTech */
 699         [STI_NAS] = {
 700                 .name      = "SimpleTech SimpleShare NAS",
 701                 .buttons        = {
 702                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 703                         { .name = "power",      .gpio = 1 << 0 }, // on back
 704                 },
 705                 .leds      = {
 706                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 707                 },
 708                 .platform_init = bcm4780_init,
 709         },
 710         /* D-Link */
 711         [DIR130] = {
 712                 .name     = "D-Link DIR-130",
 713                 .buttons        = {
 714                         { .name = "reset",      .gpio = 1 << 3},
 715                         { .name = "reserved",   .gpio = 1 << 7},
 716                 },
 717                 .leds      = {
 718                         { .name = "diag",       .gpio = 1 << 0},
 719                         { .name = "blue",       .gpio = 1 << 6},
 720                 },
 721         },
 722         [DIR320] = {
 723                 .name     = "D-Link DIR-320",
 724                 .buttons        = {
 725                         { .name = "reserved",   .gpio = 1 << 6},
 726                         { .name = "reset",      .gpio = 1 << 7},
 727                 },
 728                 .leds      = {
 729                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
 730                         { .name = "diag",       .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
 731                         { .name = "red",        .gpio = 1 << 3, .polarity = REVERSE },
 732                         { .name = "blue",       .gpio = 1 << 4, .polarity = REVERSE },
 733                         { .name = "usb",        .gpio = 1 << 5, .polarity = NORMAL },
 734                 },
 735         },
 736         [DIR330] = {
 737                 .name     = "D-Link DIR-330",
 738                 .buttons        = {
 739                         { .name = "reset",      .gpio = 1 << 3},
 740                         { .name = "reserved",   .gpio = 1 << 7},
 741                 },
 742                 .leds      = {
 743                         { .name = "diag",       .gpio = 1 << 0},
 744                         { .name = "usb",        .gpio = 1 << 4},
 745                         { .name = "blue",       .gpio = 1 << 6},
 746                 },
 747         },
 748         [DWL3150] = {
 749                 .name   = "D-Link DWL-3150",
 750                 .buttons        = {
 751                         { .name = "reset",      .gpio = 1 << 7},
 752                 },
 753                 .leds     = {
 754                         { .name = "diag",       .gpio = 1 << 2},
 755                         { .name = "status",     .gpio = 1 << 1},
 756                 },
 757         },
 758         /* Double check */
 759         [WL105B] = {
 760                 .name   = "Sitecom WL-105b",
 761                 .buttons        = {
 762                         { .name = "reset",      .gpio = 1 << 10},
 763                 },
 764                 .leds     = {
 765                         { .name = "wlan",       .gpio = 1 << 4},
 766                         { .name = "power",      .gpio = 1 << 3},
 767                 },
 768         },
 769 };
 770
 771 static struct platform_t __init *platform_detect(void)
 772 {
 773         char *boardnum, *boardtype, *buf;
 774
 775         if (strcmp(getvar("nvram_type"), "cfe") == 0)
 776                 return &platforms[WGT634U];
 777
 778         /* Look for a model identifier */
 779
 780         /* Based on "model_name" */
 781         if ((buf = nvram_get("model_name"))) {
 782                 if (!strcmp(buf, "DIR-130"))
 783                         return &platforms[DIR130];
 784                 if (!strcmp(buf, "DIR-330"))
 785                         return &platforms[DIR330];
 786         }
 787
 788         /* Based on "model_no" */
 789         if ((buf = nvram_get("model_no"))) {
 790                 if (startswith(buf,"WL700")) /* WL700* */
 791                         return &platforms[WL700GE];
 792         }
 793
 794         /* Based on "hardware_version" */
 795         if ((buf = nvram_get("hardware_version"))) {
 796                 if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
 797                         return &platforms[WL500GPV2];
 798                 if (startswith(buf,"WL520GC-")) /* WL520GU-* */
 799                         return &platforms[WL520GC];
 800                 if (startswith(buf,"WL520GU-")) /* WL520GU-* */
 801                         return &platforms[WL520GU];
 802                 if (startswith(buf,"WL330GE-")) /* WL330GE-* */
 803                         return &platforms[WL330GE];
 804         }
 805
 806         /* Based on "ModelId" */
 807         if ((buf = nvram_get("ModelId"))) {
 808                 if (!strcmp(buf, "WR850GP"))
 809                         return &platforms[WR850GP];
 810                 if (!strcmp(buf, "WR850G"))
 811                         return &platforms[WR850GV2V3];
 812                 if (!strcmp(buf, "WX-5565") && !strcmp(getvar("boardtype"),"bcm94710ap"))
 813                         return &platforms[TM2300]; /* Dell TrueMobile 2300 */
 814                 if (startswith(buf,"WE800G")) /* WE800G* */
 815                         return &platforms[WE800G];
 816         }
 817
 818         /* Buffalo */
 819         if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
 820                 /* Buffalo hardware, check id for specific hardware matches */
 821                 if (!strcmp(buf, "29bb0332"))
 822                         return &platforms[WBR2_G54];
 823                 if (!strcmp(buf, "29129"))
 824                         return &platforms[WLA2_G54L];
 825                 if (!strcmp(buf, "30189"))
 826                         return &platforms[WHR_HP_G54];
 827                 if (!strcmp(buf, "32093"))
 828                         return &platforms[WHR_G125];
 829                 if (!strcmp(buf, "30182"))
 830                         return &platforms[WHR_G54S];
 831                 if (!strcmp(buf, "290441dd"))
 832                         return &platforms[WHR2_A54G54];
 833                 if (!strcmp(buf, "31120"))
 834                         return &platforms[WZR_G300N];
 835                 if (!strcmp(buf, "30083"))
 836                         return &platforms[WZR_RS_G54];
 837                 if (!strcmp(buf, "30103"))
 838                         return &platforms[WZR_RS_G54HP];
 839         }
 840
 841         /* no easy model number, attempt to guess */
 842         boardnum = getvar("boardnum");
 843         boardtype = getvar("boardtype");
 844
 845         if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N  v1/V1.1 */
 846                 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
 847                         return &platforms[WRT600NV11];
 848
 849         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
 850                         return &platforms[WRT600N];
 851         }
 852
 853         if (startswith(getvar("pmon_ver"), "CFE")) {
 854                 /* CFE based - newer hardware */
 855                 if (!strcmp(boardnum, "42")) { /* Linksys */
 856                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
 857                                 return &platforms[WRT350N];
 858
 859                         if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
 860                                 return &platforms[WRT54G3G];
 861
 862                         if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
 863                                 return &platforms[WRTSL54GS];
 864
 865                         /* default to WRT54G */
 866                         return &platforms[WRT54G];
 867                 }
 868                 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
 869                         return &platforms[WAP54GV2];
 870
 871                 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
 872                         if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
 873                                 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
 874                 }
 875
 876                 if (!strcmp(boardnum, "45")) { /* ASUS */
 877                         if (!strcmp(boardtype,"0x042f"))
 878                                 return &platforms[WL500GP];
 879                         else if (!strcmp(boardtype,"0x0472"))
 880                                 return &platforms[WL500W];
 881                         else if (!strcmp(boardtype,"0x467"))
 882                                 return &platforms[WL320GE];
 883                         else
 884                                 return &platforms[WL500GD];
 885                 }
 886
 887                 if (!strcmp(boardnum, "10496"))
 888                         return &platforms[USR5461];
 889
 890                 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
 891                         return &platforms[SE505V2];
 892
 893                 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
 894                                 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
 895                         return &platforms[DIR320];
 896
 897         } else { /* PMON based - old stuff */
 898                 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
 899                         (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
 900                         return &platforms[WR850GV1];
 901                 }
 902                 if (startswith(boardtype, "bcm94710dev")) {
 903                         if (!strcmp(boardnum, "42"))
 904                                 return &platforms[WRT54GV1];
 905                         if (simple_strtoul(boardnum, NULL, 0) == 2)
 906                                 return &platforms[WAP54GV1];
 907                 }
 908                 if (startswith(getvar("hardware_version"), "WL500-"))
 909                         return &platforms[WL500G];
 910                 if (startswith(getvar("hardware_version"), "WL300-")) {
 911                         /* Either WL-300g or WL-HDD, do more extensive checks */
 912                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
 913                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
 914                                 return &platforms[WLHDD];
 915                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
 916                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
 917                                 return &platforms[WL300G];
 918                 }
 919                 /* Sitecom WL-105b */
 920                 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
 921                         return &platforms[WL105B];
 922
 923                 /* unknown asus stuff, probably bcm4702 */
 924                 if (startswith(boardnum, "asusX"))
 925                         return &platforms[ASUS_4702];
 926         }
 927
 928         if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
 929                 if (startswith(boardtype, "bcm94710ap"))
 930                         return &platforms[BUFFALO_UNKNOWN_4710];
 931                 else
 932                         return &platforms[BUFFALO_UNKNOWN];
 933         }
 934
 935         if (startswith(getvar("CFEver"), "MotoWRv2") ||
 936                 startswith(getvar("CFEver"), "MotoWRv3") ||
 937                 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
 938
 939                 return &platforms[WR850GV2V3];
 940         }
 941
 942         if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) {  /* Trendware TEW-411BRP+ */
 943                 return &platforms[TEW411BRPP];
 944         }
 945
 946         if (startswith(boardnum, "04FN52")) /* SimpleTech SimpleShare */
 947                 return &platforms[STI_NAS];
 948
 949         if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
 950                 return &platforms[DWL3150];
 951
 952         /* not found */
 953         return NULL;
 954 }
 955
 956 static void register_buttons(struct button_t *b)
 957 {
 958         for (; b->name; b++)
 959                 platform.button_mask |= b->gpio;
 960
 961         platform.button_mask &= ~gpiomask;
 962
 963         gpio_outen(platform.button_mask, 0);
 964         gpio_control(platform.button_mask, 0);
 965         platform.button_polarity = gpio_in() & platform.button_mask;
 966         gpio_intpolarity(platform.button_mask, platform.button_polarity);
 967         gpio_setintmask(platform.button_mask, platform.button_mask);
 968
 969         gpio_set_irqenable(1, button_handler);
 970 }
 971
 972 static void unregister_buttons(struct button_t *b)
 973 {
 974         gpio_setintmask(platform.button_mask, 0);
 975
 976         gpio_set_irqenable(0, button_handler);
 977 }
 978
 979
 980 #ifndef LINUX_2_4
 981 static void add_msg(struct event_t *event, char *msg, int argv)
 982 {
 983         char *s;
 984
 985         if (argv)
 986                 return;
 987
 988         s = skb_put(event->skb, strlen(msg) + 1);
 989         strcpy(s, msg);
 990 }
 991
 992 static void hotplug_button(struct work_struct *work)
 993 {
 994         struct event_t *event = container_of(work, struct event_t, wq);
 995         char *s;
 996
 997         if (!uevent_sock)
 998                 return;
 999
1000         event->skb = alloc_skb(2048, GFP_KERNEL);
1001
1002         s = skb_put(event->skb, strlen(event->action) + 2);
1003         sprintf(s, "%s@", event->action);
1004         fill_event(event);
1005
1006         NETLINK_CB(event->skb).dst_group = 1;
1007         netlink_broadcast(uevent_sock, event->skb, 0, 1, GFP_KERNEL);
1008
1009         kfree(event);
1010 }
1011
1012 #else /* !LINUX_2_4 */
1013 static inline char *kzalloc(unsigned int size, unsigned int gfp)
1014 {
1015         char *p;
1016
1017         p = kmalloc(size, gfp);
1018         if (p == NULL)
1019                 return NULL;
1020
1021         memset(p, 0, size);
1022
1023         return p;
1024 }
1025
1026 static void add_msg(struct event_t *event, char *msg, int argv)
1027 {
1028         if (argv)
1029                 event->argv[event->anr++] = event->scratch;
1030         else
1031                 event->envp[event->enr++] = event->scratch;
1032
1033         event->scratch += sprintf(event->scratch, "%s", msg) + 1;
1034 }
1035
1036 static void hotplug_button(struct event_t *event)
1037 {
1038         char *scratch = kzalloc(256, GFP_KERNEL);
1039         event->scratch = scratch;
1040
1041         add_msg(event, hotplug_path, 1);
1042         add_msg(event, "button", 1);
1043         fill_event(event);
1044         call_usermodehelper (event->argv[0], event->argv, event->envp);
1045         kfree(scratch);
1046         kfree(event);
1047 }
1048 #endif /* !LINUX_2_4 */
1049
1050 static int fill_event (struct event_t *event)
1051 {
1052         static char buf[128];
1053
1054         add_msg(event, "HOME=/", 0);
1055         add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1056         add_msg(event, "SUBSYSTEM=button", 0);
1057         snprintf(buf, 128, "ACTION=%s", event->action);
1058         add_msg(event, buf, 0);
1059         snprintf(buf, 128, "BUTTON=%s", event->name);
1060         add_msg(event, buf, 0);
1061         snprintf(buf, 128, "SEEN=%ld", event->seen);
1062         add_msg(event, buf, 0);
1063 #ifndef LINUX_2_4
1064         snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1065         add_msg(event, buf, 0);
1066 #endif
1067
1068         return 0;
1069 }
1070
1071
1072 #ifndef LINUX_2_4
1073 static irqreturn_t button_handler(int irq, void *dev_id)
1074 #else
1075 static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
1076 #endif
1077 {
1078         struct button_t *b;
1079         u32 in, changed;
1080
1081         in = gpio_in() & platform.button_mask;
1082         gpio_intpolarity(platform.button_mask, in);
1083         changed = platform.button_polarity ^ in;
1084         platform.button_polarity = in;
1085
1086         changed &= ~gpio_outen(0, 0);
1087
1088         for (b = platform.buttons; b->name; b++) {
1089                 struct event_t *event;
1090
1091                 if (!(b->gpio & changed)) continue;
1092
1093                 b->pressed ^= 1;
1094
1095                 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1096                         event->seen = (jiffies - b->seen)/HZ;
1097                         event->name = b->name;
1098                         event->action = b->pressed ? "pressed" : "released";
1099 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
1100                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1101 #else
1102                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
1103 #endif
1104                         schedule_work(&event->wq);
1105                 }
1106
1107                 b->seen = jiffies;
1108         }
1109         return IRQ_HANDLED;
1110 }
1111
1112 static void register_leds(struct led_t *l)
1113 {
1114         struct proc_dir_entry *p;
1115         u32 mask = 0;
1116         u32 oe_mask = 0;
1117         u32 val = 0;
1118
1119         leds = proc_mkdir("led", diag);
1120         if (!leds)
1121                 return;
1122
1123         for(; l->name; l++) {
1124                 if (l->gpio & gpiomask)
1125                         continue;
1126
1127                 if (l->gpio & GPIO_TYPE_EXTIF) {
1128                         l->state = 0;
1129                         set_led_extif(l);
1130                 } else {
1131                         if (l->polarity != INPUT) oe_mask |= l->gpio;
1132                         mask |= l->gpio;
1133                         val |= (l->polarity == NORMAL)?0:l->gpio;
1134                 }
1135
1136                 if (l->polarity == INPUT) continue;
1137
1138                 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1139                         l->proc.type = PROC_LED;
1140                         l->proc.ptr = l;
1141                         p->data = (void *) &l->proc;
1142                         p->proc_fops = &diag_proc_fops;
1143                 }
1144         }
1145
1146         gpio_outen(mask, oe_mask);
1147         gpio_control(mask, 0);
1148         gpio_out(mask, val);
1149         gpio_setintmask(mask, 0);
1150 }
1151
1152 static void unregister_leds(struct led_t *l)
1153 {
1154         for(; l->name; l++)
1155                 remove_proc_entry(l->name, leds);
1156
1157         remove_proc_entry("led", diag);
1158 }
1159
1160 static void set_led_extif(struct led_t *led)
1161 {
1162         gpio_set_extif(led->gpio, led->state);
1163 }
1164
1165 static void led_flash(unsigned long dummy) {
1166         struct led_t *l;
1167         u32 mask = 0;
1168         u8 extif_blink = 0;
1169
1170         for (l = platform.leds; l->name; l++) {
1171                 if (l->flash) {
1172                         if (l->gpio & GPIO_TYPE_EXTIF) {
1173                                 extif_blink = 1;
1174                                 l->state = !l->state;
1175                                 set_led_extif(l);
1176                         } else {
1177                                 mask |= l->gpio;
1178                         }
1179                 }
1180         }
1181
1182         mask &= ~gpiomask;
1183         if (mask) {
1184                 u32 val = ~gpio_in();
1185
1186                 gpio_outen(mask, mask);
1187                 gpio_control(mask, 0);
1188                 gpio_out(mask, val);
1189         }
1190         if (mask || extif_blink) {
1191                 mod_timer(&led_timer, jiffies + FLASH_TIME);
1192         }
1193 }
1194
1195 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1196 {
1197 #ifdef LINUX_2_4
1198         struct inode *inode = file->f_dentry->d_inode;
1199         struct proc_dir_entry *dent = inode->u.generic_ip;
1200 #else
1201         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1202 #endif
1203         char *page;
1204         int len = 0;
1205
1206         if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1207                 return -ENOBUFS;
1208
1209         if (dent->data != NULL) {
1210                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1211                 switch (handler->type) {
1212                         case PROC_LED: {
1213                                 struct led_t * led = (struct led_t *) handler->ptr;
1214                                 if (led->flash) {
1215                                         len = sprintf(page, "f\n");
1216                                 } else {
1217                                         if (led->gpio & GPIO_TYPE_EXTIF) {
1218                                                 len = sprintf(page, "%d\n", led->state);
1219                                         } else {
1220                                                 u32 in = (gpio_in() & led->gpio ? 1 : 0);
1221                                                 u8 p = (led->polarity == NORMAL ? 0 : 1);
1222                                                 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1223                                         }
1224                                 }
1225                                 break;
1226                         }
1227                         case PROC_MODEL:
1228                                 len = sprintf(page, "%s\n", platform.name);
1229                                 break;
1230                         case PROC_GPIOMASK:
1231                                 len = sprintf(page, "0x%04x\n", gpiomask);
1232                                 break;
1233                 }
1234         }
1235         len += 1;
1236
1237         if (*ppos < len) {
1238                 len = min_t(int, len - *ppos, count);
1239                 if (copy_to_user(buf, (page + *ppos), len)) {
1240                         kfree(page);
1241                         return -EFAULT;
1242                 }
1243                 *ppos += len;
1244         } else {
1245                 len = 0;
1246         }
1247
1248         kfree(page);
1249         return len;
1250 }
1251
1252
1253 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1254 {
1255 #ifdef LINUX_2_4
1256         struct inode *inode = file->f_dentry->d_inode;
1257         struct proc_dir_entry *dent = inode->u.generic_ip;
1258 #else
1259         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1260 #endif
1261         char *page;
1262         int ret = -EINVAL;
1263
1264         if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1265                 return -ENOBUFS;
1266
1267         if (copy_from_user(page, buf, count)) {
1268                 kfree(page);
1269                 return -EINVAL;
1270         }
1271         page[count] = 0;
1272
1273         if (dent->data != NULL) {
1274                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1275                 switch (handler->type) {
1276                         case PROC_LED: {
1277                                 struct led_t *led = (struct led_t *) handler->ptr;
1278                                 int p = (led->polarity == NORMAL ? 0 : 1);
1279
1280                                 if (page[0] == 'f') {
1281                                         led->flash = 1;
1282                                         led_flash(0);
1283                                 } else {
1284                                         led->flash = 0;
1285                                         if (led->gpio & GPIO_TYPE_EXTIF) {
1286                                                 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1287                                                 set_led_extif(led);
1288                                         } else {
1289                                                 gpio_outen(led->gpio, led->gpio);
1290                                                 gpio_control(led->gpio, 0);
1291                                                 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1292                                         }
1293                                 }
1294                                 break;
1295                         }
1296                         case PROC_GPIOMASK:
1297                                 gpiomask = simple_strtoul(page, NULL, 0);
1298
1299                                 if (platform.buttons) {
1300                                         unregister_buttons(platform.buttons);
1301                                         register_buttons(platform.buttons);
1302                                 }
1303
1304                                 if (platform.leds) {
1305                                         unregister_leds(platform.leds);
1306                                         register_leds(platform.leds);
1307                                 }
1308                                 break;
1309                 }
1310                 ret = count;
1311         }
1312
1313         kfree(page);
1314         return ret;
1315 }
1316
1317 static int __init diag_init(void)
1318 {
1319         static struct proc_dir_entry *p;
1320         static struct platform_t *detected;
1321
1322         detected = platform_detect();
1323         if (!detected) {
1324                 printk(MODULE_NAME ": Router model not detected.\n");
1325                 return -ENODEV;
1326         }
1327         memcpy(&platform, detected, sizeof(struct platform_t));
1328
1329         printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1330         if (platform.platform_init != NULL) {
1331                 platform.platform_init();
1332         }
1333
1334         if (!(diag = proc_mkdir("diag", NULL))) {
1335                 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1336                 return -EINVAL;
1337         }
1338
1339         if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1340                 p->data = (void *) &proc_model;
1341                 p->proc_fops = &diag_proc_fops;
1342         }
1343
1344         if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1345                 p->data = (void *) &proc_gpiomask;
1346                 p->proc_fops = &diag_proc_fops;
1347         }
1348
1349         if (platform.buttons)
1350                 register_buttons(platform.buttons);
1351
1352         if (platform.leds)
1353                 register_leds(platform.leds);
1354
1355         return 0;
1356 }
1357
1358 static void __exit diag_exit(void)
1359 {
1360         del_timer(&led_timer);
1361
1362         if (platform.buttons)
1363                 unregister_buttons(platform.buttons);
1364
1365         if (platform.leds)
1366                 unregister_leds(platform.leds);
1367
1368         remove_proc_entry("model", diag);
1369         remove_proc_entry("gpiomask", diag);
1370         remove_proc_entry("diag", NULL);
1371 }
1372
1373 module_init(diag_init);
1374 module_exit(diag_exit);
1375
1376 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1377 MODULE_LICENSE("GPL");