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         WRT160N,
  64         WRT300NV11,
  65         WRT350N,
  66         WRT600N,
  67         WRT600NV11,
  68         WRT610N,
  69
  70         /* ASUS */
  71         WLHDD,
  72         WL300G,
  73         WL320GE,
  74         WL330GE,
  75         WL500G,
  76         WL500GD,
  77         WL500GP,
  78         WL500GPV2,
  79         WL500W,
  80         WL520GC,
  81         WL520GU,
  82         ASUS_4702,
  83         WL700GE,
  84
  85         /* Buffalo */
  86         WBR2_G54,
  87         WHR_G54S,
  88         WHR_HP_G54,
  89         WHR_G125,
  90         WHR2_A54G54,
  91         WLA2_G54L,
  92         WZR_G300N,
  93         WZR_RS_G54,
  94         WZR_RS_G54HP,
  95         BUFFALO_UNKNOWN,
  96         BUFFALO_UNKNOWN_4710,
  97
  98         /* Siemens */
  99         SE505V1,
 100         SE505V2,
 101
 102         /* US Robotics */
 103         USR5461,
 104
 105         /* Dell */
 106         TM2300,
 107         TM2300V2,
 108
 109         /* Motorola */
 110         WE800G,
 111         WR850GV1,
 112         WR850GV2V3,
 113         WR850GP,
 114
 115         /* Belkin */
 116         BELKIN_UNKNOWN,
 117
 118         /* Netgear */
 119         WGT634U,
 120
 121         /* Trendware */
 122         TEW411BRPP,
 123
 124         /* SimpleTech */
 125         STI_NAS,
 126
 127         /* D-Link */
 128         DIR130,
 129         DIR320,
 130         DIR330,
 131         DWL3150,
 132
 133         /* Sitecom */
 134         WL105B,
 135
 136         /* Western Digital */
 137         WDNetCenter,
 138
 139         /* Askey */
 140         RT210W,
 141
 142         /* OvisLink */
 143         WL1600GL,
 144
 145         /* Microsoft */
 146         MN700,
 147 };
 148
 149 static void __init bcm4780_init(void) {
 150                 int pin = 1 << 3;
 151
 152                 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
 153                 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
 154                 gpio_outen(pin, pin);
 155                 gpio_control(pin, 0);
 156                 gpio_out(pin, pin);
 157
 158                 /* Wait 5s, so the HDD can spin up */
 159                 set_current_state(TASK_INTERRUPTIBLE);
 160                 schedule_timeout(HZ * 5);
 161 }
 162
 163 static void __init NetCenter_init(void) {
 164                 /* unset pin 6 (+12V) */
 165                 int pin = 1 << 6;
 166                 gpio_outen(pin, pin);
 167                 gpio_control(pin, 0);
 168                 gpio_out(pin, pin);
 169                 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
 170                 pin = 1 << 1;
 171                 gpio_outen(pin, pin);
 172                 gpio_control(pin, 0);
 173                 gpio_out(pin, pin);
 174                 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
 175                 bcm4780_init();
 176 }
 177
 178 static void __init bcm57xx_init(void) {
 179         int pin = 1 << 2;
 180
 181 #ifndef LINUX_2_4
 182         /* FIXME: switch comes up, but port mappings/vlans not right */
 183         gpio_outen(pin, pin);
 184         gpio_control(pin, 0);
 185         gpio_out(pin, pin);
 186 #endif
 187 }
 188
 189 static struct platform_t __initdata platforms[] = {
 190         /* Linksys */
 191         [WAP54GV1] = {
 192                 .name           = "Linksys WAP54G V1",
 193                 .buttons        = {
 194                         { .name = "reset",      .gpio = 1 << 0 },
 195                 },
 196                 .leds           = {
 197                         { .name = "diag",       .gpio = 1 << 3 },
 198                         { .name = "wlan",       .gpio = 1 << 4 },
 199                 },
 200         },
 201         [WAP54GV2] = {
 202                 .name           = "Linksys WAP54G V2",
 203                 .buttons        = {
 204                         { .name = "reset",      .gpio = 1 << 0 },
 205                 },
 206                 .leds           = {
 207                         { .name = "wlan",       .gpio = 1 << 5, .polarity = REVERSE },
 208                         /* GPIO 6 is b44 (eth0, LAN) PHY power */
 209                 },
 210         },
 211         [WAP54GV3] = {
 212                 .name           = "Linksys WAP54G V3",
 213                 .buttons        = {
 214                         /* FIXME: verify this */
 215                         { .name = "reset",      .gpio = 1 << 7 },
 216                         { .name = "ses",        .gpio = 1 << 0 },
 217                 },
 218                 .leds           = {
 219                         /* FIXME: diag? */
 220                         { .name = "ses",        .gpio = 1 << 1 },
 221                 },
 222         },
 223         [WRT54GV1] = {
 224                 .name           = "Linksys WRT54G V1.x",
 225                 .buttons        = {
 226                         { .name = "reset",      .gpio = 1 << 6 },
 227                 },
 228                 .leds           = {
 229                         { .name = "diag",       .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 230                         { .name = "dmz",        .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 231                 },
 232         },
 233         [WRT54G] = {
 234                 .name           = "Linksys WRT54G/GS/GL",
 235                 .buttons        = {
 236                         { .name = "reset",      .gpio = 1 << 6 },
 237                         { .name = "ses",        .gpio = 1 << 4 },
 238                 },
 239                 .leds           = {
 240                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 241                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 242                         { .name = "ses_white",  .gpio = 1 << 2, .polarity = REVERSE },
 243                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 244                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 245                 },
 246         },
 247         [WRTSL54GS] = {
 248                 .name           = "Linksys WRTSL54GS",
 249                 .buttons        = {
 250                         { .name = "reset",      .gpio = 1 << 6 },
 251                         { .name = "ses",        .gpio = 1 << 4 },
 252                 },
 253                 .leds           = {
 254                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 255                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },
 256                         { .name = "ses_white",  .gpio = 1 << 5, .polarity = REVERSE },
 257                         { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
 258                 },
 259         },
 260         [WRT54G3G] = {
 261                 .name           = "Linksys WRT54G3G",
 262                 .buttons        = {
 263                         { .name = "reset",      .gpio = 1 << 6 },
 264                         { .name = "3g",         .gpio = 1 << 4 },
 265                 },
 266                 .leds           = {
 267                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 268                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 269                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 270                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 271                         { .name = "3g_blink",   .gpio = 1 << 5, .polarity = NORMAL },
 272                 },
 273         },
 274         [WRT160N] = {
 275                 .name           = "Linksys WRT160N",
 276                 .buttons        = {
 277                         { .name = "reset",      .gpio = 1 << 6 },
 278                         { .name = "ses",        .gpio = 1 << 4 },
 279                 },
 280                 .leds           = {
 281                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 282                         { .name = "ses_blue",   .gpio = 1 << 5, .polarity = REVERSE },
 283                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 284                 },
 285         },
 286         [WRT300NV11] = {
 287                 .name           = "Linksys WRT300N V1.1",
 288                 .buttons        = {
 289                         { .name = "reset",     .gpio = 1 << 6 }, // "Reset" on back panel
 290                         { .name = "ses",       .gpio = 1 << 4 }, // "Reserved" on top panel
 291                 },
 292                 .leds           = {
 293                         { .name = "power",     .gpio = 1 << 1, .polarity = NORMAL  }, // "Power"
 294                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
 295                         { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
 296                 },
 297                 .platform_init = bcm57xx_init,
 298         },
 299         [WRT350N] = {
 300                 .name           = "Linksys WRT350N",
 301                 .buttons        = {
 302                         { .name = "reset",      .gpio = 1 << 6 },
 303                         { .name = "ses",        .gpio = 1 << 8 },
 304                 },
 305                 .leds           = {
 306                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 307                         { .name = "ses_amber",  .gpio = 1 << 3, .polarity = REVERSE },
 308                         { .name = "ses_green",  .gpio = 1 << 9, .polarity = REVERSE },
 309                         { .name = "usb_blink",  .gpio = 1 << 10, .polarity = REVERSE },
 310                         { .name = "usb",        .gpio = 1 << 11, .polarity = REVERSE },
 311                 },
 312                 .platform_init = bcm57xx_init,
 313         },
 314         [WRT600N] = {
 315                 .name           = "Linksys WRT600N",
 316                 .buttons        = {
 317                         { .name = "reset",      .gpio = 1 << 6 },
 318                         { .name = "ses",        .gpio = 1 << 7 },
 319                 },
 320                 .leds           = {
 321                         { .name = "power",              .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 322                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 323                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 324                         { .name = "wl0_ses_green",      .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 325                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 326                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 327                 },
 328                 .platform_init = bcm57xx_init,
 329         },
 330         [WRT600NV11] = {
 331                 .name           = "Linksys WRT600N V1.1",
 332                 .buttons        = {
 333                         { .name = "reset",      .gpio = 1 << 6 },
 334                         { .name = "ses",        .gpio = 1 << 7 },
 335                 },
 336                 .leds           = {
 337                         { .name = "power",             .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 338                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 339                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 340                         { .name = "wl0_ses_green",     .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 341                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 342                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 343                 },
 344                 .platform_init = bcm57xx_init,
 345         },
 346         [WRT610N] = {
 347                 .name           = "Linksys WRT610N",
 348                 .buttons        = {
 349                         { .name = "reset",      .gpio = 1 << 6 },
 350                         { .name = "ses",        .gpio = 1 << 8 },
 351                 },
 352                 .leds           = {
 353                         { .name = "power",      .gpio = 1 << 1,  .polarity = NORMAL }, // Power LED
 354                         { .name = "usb",        .gpio = 1 << 0,  .polarity = REVERSE }, // USB LED
 355                         { .name = "ses_amber",  .gpio = 1 << 3,  .polarity = REVERSE }, // WiFi protected setup LED amber
 356                         { .name = "ses_blue",   .gpio = 1 << 9,  .polarity = REVERSE }, // WiFi protected setup LED blue
 357                 },
 358         },
 359         /* Asus */
 360         [WLHDD] = {
 361                 .name           = "ASUS WL-HDD",
 362                 .buttons        = {
 363                         { .name = "reset",      .gpio = 1 << 6 },
 364                 },
 365                 .leds           = {
 366                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 367                         { .name = "usb",        .gpio = 1 << 2, .polarity = NORMAL },
 368                 },
 369         },
 370         [WL300G] = {
 371                 .name           = "ASUS WL-300g",
 372                 .buttons        = {
 373                         { .name = "reset",      .gpio = 1 << 6 },
 374                 },
 375                 .leds           = {
 376                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 377                 },
 378         },
 379         [WL320GE] = {
 380                 .name           = "ASUS WL-320gE/WL-320gP",
 381                 .buttons        = {
 382                         { .name = "reset",      .gpio = 1 << 6 },
 383                 },
 384                 .leds           = {
 385                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 386                         { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
 387                         { .name = "link",       .gpio = 1 << 11, .polarity = REVERSE },
 388                 },
 389         },
 390         [WL330GE] = {
 391                 .name           = "ASUS WL-330gE",
 392                 .buttons        = {
 393                         { .name = "reset",      .gpio = 1 << 2 },
 394                 },
 395                 .leds           = {
 396                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 397                 },
 398         },
 399         [WL500G] = {
 400                 .name           = "ASUS WL-500g",
 401                 .buttons        = {
 402                         { .name = "reset",      .gpio = 1 << 6 },
 403                 },
 404                 .leds           = {
 405                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 406                 },
 407         },
 408         [WL500GD] = {
 409                 .name           = "ASUS WL-500g Deluxe",
 410                 .buttons        = {
 411                         { .name = "reset",      .gpio = 1 << 6 },
 412                 },
 413                 .leds           = {
 414                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 415                 },
 416         },
 417         [WL500GP] = {
 418                 .name           = "ASUS WL-500g Premium",
 419                 .buttons        = {
 420                         { .name = "reset",      .gpio = 1 << 0 },
 421                         { .name = "ses",        .gpio = 1 << 4 },
 422                 },
 423                 .leds           = {
 424                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 425                 },
 426         },
 427         [WL500GPV2] = {
 428                 .name           = "ASUS WL-500g Premium V2",
 429                 .buttons        = {
 430                         { .name = "reset",      .gpio = 1 << 2 },
 431                         { .name = "ses",        .gpio = 1 << 3 },
 432                 },
 433                 .leds           = {
 434                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 435                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 436                 },
 437         },
 438         [WL500W] = {
 439                 .name           = "ASUS WL-500W",
 440                 .buttons        = {
 441                         { .name = "reset",      .gpio = 1 << 6 },
 442                         { .name = "ses",        .gpio = 1 << 7 },
 443                 },
 444                 .leds           = {
 445                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 446                 },
 447         },
 448         [WL520GC] = {
 449                 .name           = "ASUS WL-520GC",
 450                 .buttons        = {
 451                         { .name = "reset",      .gpio = 1 << 2 },
 452                         { .name = "ses",        .gpio = 1 << 3 },
 453                 },
 454                 .leds           = {
 455                 { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 456                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 457                 },
 458         },
 459         [WL520GU] = {
 460                 .name           = "ASUS WL-520gU",
 461                 .buttons        = {
 462                         { .name = "reset",      .gpio = 1 << 2 },
 463                         { .name = "ses",        .gpio = 1 << 3 },
 464                 },
 465                 .leds           = {
 466                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 467                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 468                 },
 469         },
 470         [ASUS_4702] = {
 471                 .name           = "ASUS (unknown, BCM4702)",
 472                 .buttons        = {
 473                         { .name = "reset",      .gpio = 1 << 6 },
 474                 },
 475                 .leds           = {
 476                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 477                 },
 478         },
 479         [WL700GE] = {
 480                 .name           = "ASUS WL-700gE",
 481                 .buttons        = {
 482                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 483                         { .name = "ses",        .gpio = 1 << 4 }, // on back, actual name ezsetup
 484                         { .name = "power",      .gpio = 1 << 0 }, // on front
 485                         { .name = "copy",       .gpio = 1 << 6 }, // on front
 486                 },
 487                 .leds           = {
 488 #if 0
 489                         // GPIO that controls power led also enables/disables some essential functions
 490                         // - power to HDD
 491                         // - switch leds
 492                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },  // actual name power
 493 #endif
 494                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 495                 },
 496                 .platform_init = bcm4780_init,
 497         },
 498         /* Buffalo */
 499         [WHR_G54S] = {
 500                 .name           = "Buffalo WHR-G54S",
 501                 .buttons        = {
 502                         { .name = "reset",      .gpio = 1 << 4 },
 503                         { .name = "bridge",     .gpio = 1 << 5 },
 504                         { .name = "ses",        .gpio = 1 << 0 },
 505                 },
 506                 .leds           = {
 507                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 508                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 509                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 510                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 511                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 512                 },
 513         },
 514         [WBR2_G54] = {
 515                 .name           = "Buffalo WBR2-G54",
 516                 /* FIXME: verify */
 517                 .buttons        = {
 518                         { .name = "reset",      .gpio = 1 << 7 },
 519                 },
 520                 .leds           = {
 521                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 522                 },
 523         },
 524         [WHR_HP_G54] = {
 525                 .name           = "Buffalo WHR-HP-G54",
 526                 .buttons        = {
 527                         { .name = "reset",      .gpio = 1 << 4 },
 528                         { .name = "bridge",     .gpio = 1 << 5 },
 529                         { .name = "ses",        .gpio = 1 << 0 },
 530                 },
 531                 .leds           = {
 532                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 533                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 534                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 535                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 536                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 537                 },
 538         },
 539         [WHR_G125] = {
 540                 .name           = "Buffalo WHR-G125",
 541                 .buttons        = {
 542                         { .name = "reset",      .gpio = 1 << 4 },
 543                         { .name = "bridge",     .gpio = 1 << 5 },
 544                         { .name = "ses",        .gpio = 1 << 0 },
 545                 },
 546                 .leds           = {
 547                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 548                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 549                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 550                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 551                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 552                 },
 553         },
 554         [WHR2_A54G54] = {
 555                 .name           = "Buffalo WHR2-A54G54",
 556                 .buttons        = {
 557                         { .name = "reset",      .gpio = 1 << 4 },
 558                 },
 559                 .leds           = {
 560                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 561                 },
 562         },
 563         [WLA2_G54L] = {
 564                 .name           = "Buffalo WLA2-G54L",
 565                 /* FIXME: verify */
 566                 .buttons        = {
 567                         { .name = "reset",      .gpio = 1 << 7 },
 568                 },
 569                 .leds           = {
 570                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 571                 },
 572         },
 573         [WZR_G300N] = {
 574                 .name           = "Buffalo WZR-G300N",
 575                 .buttons        = {
 576                         { .name = "reset",      .gpio = 1 << 4 },
 577                 },
 578                 .leds           = {
 579                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 580                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 581                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 582                 },
 583         },
 584         [WZR_RS_G54] = {
 585                 .name           = "Buffalo WZR-RS-G54",
 586                 .buttons        = {
 587                         { .name = "ses",        .gpio = 1 << 0 },
 588                         { .name = "reset",      .gpio = 1 << 4 },
 589                 },
 590                 .leds           = {
 591                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 592                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 593                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 594                 },
 595         },
 596         [WZR_RS_G54HP] = {
 597                 .name           = "Buffalo WZR-RS-G54HP",
 598                 .buttons        = {
 599                         { .name = "ses",        .gpio = 1 << 0 },
 600                         { .name = "reset",      .gpio = 1 << 4 },
 601                 },
 602                 .leds           = {
 603                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 604                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 605                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 606                 },
 607         },
 608         [BUFFALO_UNKNOWN] = {
 609                 .name           = "Buffalo (unknown)",
 610                 .buttons        = {
 611                         { .name = "reset",      .gpio = 1 << 7 },
 612                 },
 613                 .leds           = {
 614                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 615                 },
 616         },
 617         [BUFFALO_UNKNOWN_4710] = {
 618                 .name           = "Buffalo (unknown, BCM4710)",
 619                 .buttons        = {
 620                         { .name = "reset",      .gpio = 1 << 4 },
 621                 },
 622                 .leds           = {
 623                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 624                 },
 625         },
 626         /* Siemens */
 627         [SE505V1] = {
 628                 .name           = "Siemens SE505 V1",
 629                 .buttons        = {
 630                         /* No usable buttons */
 631                 },
 632                 .leds           = {
 633 //                      { .name = "power",      .gpio = 1 << 0  .polarity = REVERSE },  // Usable when retrofitting D26 (?)
 634                         { .name = "dmz",        .gpio = 1 << 4, .polarity = REVERSE },  // actual name WWW
 635                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 636                 },
 637         },
 638         [SE505V2] = {
 639                 .name           = "Siemens SE505 V2",
 640                 .buttons        = {
 641                         /* No usable buttons */
 642                 },
 643                 .leds           = {
 644                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 645                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },  // actual name WWW
 646                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 647                 },
 648         },
 649         /* US Robotics */
 650         [USR5461] = {
 651                 .name           = "U.S. Robotics USR5461",
 652                 .buttons        = {
 653                         /* No usable buttons */
 654                 },
 655                 .leds           = {
 656                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 657                         { .name = "printer",    .gpio = 1 << 1, .polarity = REVERSE },
 658                 },
 659         },
 660         /* Dell */
 661         [TM2300] = {
 662                 .name           = "Dell TrueMobile 2300",
 663                 .buttons        = {
 664                         { .name = "reset",      .gpio = 1 << 0 },
 665                 },
 666                 .leds           = {
 667                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 668                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 669                 },
 670         },
 671         [TM2300V2] = {
 672                 .name           = "Dell TrueMobile 2300 v2",
 673                 .buttons        = {
 674                         { .name = "reset",      .gpio = 1 << 0 },
 675                 },
 676                 .leds           = {
 677                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 678                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 679                 },
 680         },
 681         /* Motorola */
 682         [WE800G] = {
 683                 .name           = "Motorola WE800G",
 684                 .buttons        = {
 685                         { .name = "reset",      .gpio = 1 << 0 },
 686                 },
 687                 .leds           = {
 688                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 689                         { .name = "diag",       .gpio = 1 << 2, .polarity = REVERSE },
 690                         { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
 691                 },
 692         },
 693         [WR850GV1] = {
 694                 .name           = "Motorola WR850G V1",
 695                 .buttons        = {
 696                         { .name = "reset",      .gpio = 1 << 0 },
 697                 },
 698                 .leds           = {
 699                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 700                         { .name = "diag",       .gpio = 1 << 3, .polarity = REVERSE },
 701                         { .name = "dmz",        .gpio = 1 << 6, .polarity = NORMAL },
 702                         { .name = "wlan_red",   .gpio = 1 << 5, .polarity = REVERSE },
 703                         { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
 704                 },
 705         },
 706         [WR850GV2V3] = {
 707                 .name           = "Motorola WR850G V2/V3",
 708                 .buttons        = {
 709                         { .name = "reset",      .gpio = 1 << 5 },
 710                 },
 711                 .leds           = {
 712                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 713                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 714                         { .name = "wan",        .gpio = 1 << 6, .polarity = INPUT },
 715                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 716                 },
 717         },
 718         [WR850GP] = {
 719                 .name           = "Motorola WR850GP",
 720                 .buttons        = {
 721                         { .name = "reset",      .gpio = 1 << 5 },
 722                 },
 723                 .leds           = {
 724                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 725                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 726                         { .name = "dmz",        .gpio = 1 << 6, .polarity = REVERSE },
 727                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 728                 },
 729         },
 730
 731         /* Belkin */
 732         [BELKIN_UNKNOWN] = {
 733                 .name           = "Belkin (unknown)",
 734                 /* FIXME: verify & add detection */
 735                 .buttons        = {
 736                         { .name = "reset",      .gpio = 1 << 7 },
 737                 },
 738                 .leds           = {
 739                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },
 740                         { .name = "wlan",       .gpio = 1 << 3, .polarity = NORMAL },
 741                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
 742                 },
 743         },
 744         /* Netgear */
 745         [WGT634U] = {
 746                 .name           = "Netgear WGT634U",
 747                 .buttons        = {
 748                         { .name = "reset",      .gpio = 1 << 2 },
 749                 },
 750                 .leds           = {
 751                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
 752                 },
 753         },
 754         /* Trendware */
 755         [TEW411BRPP] = {
 756                 .name           = "Trendware TEW411BRP+",
 757                 .buttons        = {
 758                         { /* No usable buttons */ },
 759                 },
 760                 .leds           = {
 761                         { .name = "power",      .gpio = 1 << 7, .polarity = NORMAL },
 762                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },
 763                         { .name = "bridge",     .gpio = 1 << 6, .polarity = NORMAL },
 764                 },
 765         },
 766         /* SimpleTech */
 767         [STI_NAS] = {
 768                 .name      = "SimpleTech SimpleShare NAS",
 769                 .buttons        = {
 770                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 771                         { .name = "power",      .gpio = 1 << 0 }, // on back
 772                 },
 773                 .leds      = {
 774                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 775                 },
 776                 .platform_init = bcm4780_init,
 777         },
 778         /* D-Link */
 779         [DIR130] = {
 780                 .name     = "D-Link DIR-130",
 781                 .buttons        = {
 782                         { .name = "reset",      .gpio = 1 << 3},
 783                         { .name = "reserved",   .gpio = 1 << 7},
 784                 },
 785                 .leds      = {
 786                         { .name = "diag",       .gpio = 1 << 0},
 787                         { .name = "blue",       .gpio = 1 << 6},
 788                 },
 789         },
 790         [DIR320] = {
 791                 .name     = "D-Link DIR-320",
 792                 .buttons        = {
 793                         { .name = "reserved",   .gpio = 1 << 6},
 794                         { .name = "reset",      .gpio = 1 << 7},
 795                 },
 796                 .leds      = {
 797                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
 798                         { .name = "diag",       .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
 799                         { .name = "red",        .gpio = 1 << 3, .polarity = REVERSE },
 800                         { .name = "blue",       .gpio = 1 << 4, .polarity = REVERSE },
 801                         { .name = "usb",        .gpio = 1 << 5, .polarity = NORMAL },
 802                 },
 803         },
 804         [DIR330] = {
 805                 .name     = "D-Link DIR-330",
 806                 .buttons        = {
 807                         { .name = "reset",      .gpio = 1 << 3},
 808                         { .name = "reserved",   .gpio = 1 << 7},
 809                 },
 810                 .leds      = {
 811                         { .name = "diag",       .gpio = 1 << 0},
 812                         { .name = "usb",        .gpio = 1 << 4},
 813                         { .name = "blue",       .gpio = 1 << 6},
 814                 },
 815         },
 816         [DWL3150] = {
 817                 .name   = "D-Link DWL-3150",
 818                 .buttons        = {
 819                         { .name = "reset",      .gpio = 1 << 7},
 820                 },
 821                 .leds     = {
 822                         { .name = "diag",       .gpio = 1 << 2},
 823                         { .name = "status",     .gpio = 1 << 1},
 824                 },
 825         },
 826         /* Double check */
 827         [WL105B] = {
 828                 .name   = "Sitecom WL-105b",
 829                 .buttons        = {
 830                         { .name = "reset",      .gpio = 1 << 10},
 831                 },
 832                 .leds     = {
 833                         { .name = "wlan",       .gpio = 1 << 4},
 834                         { .name = "power",      .gpio = 1 << 3},
 835                 },
 836         },
 837         /* Western Digital Net Center */
 838         [WDNetCenter] = {
 839                 .name   = "Western Digital NetCenter",
 840                 .buttons        = {
 841                         { .name = "power",      .gpio = 1 << 0},
 842                         { .name = "reset",      .gpio = 1 << 7},
 843                 },
 844                 .platform_init = NetCenter_init,
 845         },
 846         /* Askey (and clones) */
 847         [RT210W] = {
 848                 .name           = "Askey RT210W",
 849                 .buttons        = {
 850                         /* Power button is hard-wired to hardware reset */
 851                         /* but is also connected to GPIO 7 (probably for bootloader recovery)  */
 852                         { .name = "power",      .gpio = 1 << 7},
 853                 },
 854                 .leds           = {
 855                         /* These were verified and named based on Belkin F5D4230-4 v1112 */
 856                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
 857                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 858                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 859                 },
 860         },
 861         [WL1600GL] = {
 862                 .name           = "OvisLink WL-1600GL",
 863                 .buttons        = {
 864                         { .name = "reset",      .gpio = 1 << 3 },
 865                         { .name = "ses",        .gpio = 1 << 4 },
 866                 },
 867                 .leds           = {
 868                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 869                         { .name = "wps",        .gpio = 1 << 2, .polarity = REVERSE },
 870                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 871                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
 872                 },
 873         },
 874         /* Microsoft */
 875         [MN700] = {
 876                 .name   = "Microsoft MN-700",
 877                 .buttons        = {
 878                         { .name = "reset",      .gpio = 1 << 7 },
 879                 },
 880                 .leds     = {
 881                         { .name = "power",      .gpio = 1 << 6, .polarity = NORMAL },
 882                 },
 883         },
 884 };
 885
 886 static struct platform_t __init *platform_detect(void)
 887 {
 888         char *boardnum, *boardtype, *buf;
 889
 890         if (strcmp(getvar("nvram_type"), "cfe") == 0)
 891                 return &platforms[WGT634U];
 892
 893         /* Look for a model identifier */
 894
 895         /* Based on "model_name" */
 896         if ((buf = nvram_get("model_name"))) {
 897                 if (!strcmp(buf, "DIR-130"))
 898                         return &platforms[DIR130];
 899                 if (!strcmp(buf, "DIR-330"))
 900                         return &platforms[DIR330];
 901         }
 902
 903         /* Based on "wsc_modelname */
 904         if ((buf = nvram_get("wsc_modelname"))) {
 905                 if (!strcmp(buf, "WRT610N"))
 906                         return &platforms[WRT610N];
 907         }
 908
 909         /* Based on "model_no" */
 910         if ((buf = nvram_get("model_no"))) {
 911                 if (startswith(buf,"WL700")) /* WL700* */
 912                         return &platforms[WL700GE];
 913         }
 914
 915         /* Based on "hardware_version" */
 916         if ((buf = nvram_get("hardware_version"))) {
 917                 if (startswith(buf,"WL500GPV2-")) /* WL500GPV2-* */
 918                         return &platforms[WL500GPV2];
 919                 if (startswith(buf,"WL520GC-")) /* WL520GU-* */
 920                         return &platforms[WL520GC];
 921                 if (startswith(buf,"WL520GU-")) /* WL520GU-* */
 922                         return &platforms[WL520GU];
 923                 if (startswith(buf,"WL330GE-")) /* WL330GE-* */
 924                         return &platforms[WL330GE];
 925         }
 926
 927         /* Based on "ModelId" */
 928         if ((buf = nvram_get("ModelId"))) {
 929                 if (!strcmp(buf, "WR850GP"))
 930                         return &platforms[WR850GP];
 931                 if (!strcmp(buf, "WR850G"))
 932                         return &platforms[WR850GV2V3];
 933                 if (!strcmp(buf, "WX-5565") && !strcmp(getvar("boardtype"),"bcm94710ap"))
 934                         return &platforms[TM2300]; /* Dell TrueMobile 2300 */
 935                 if (startswith(buf,"WE800G")) /* WE800G* */
 936                         return &platforms[WE800G];
 937         }
 938
 939         /* Buffalo */
 940         if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
 941                 /* Buffalo hardware, check id for specific hardware matches */
 942                 if (!strcmp(buf, "29bb0332"))
 943                         return &platforms[WBR2_G54];
 944                 if (!strcmp(buf, "29129"))
 945                         return &platforms[WLA2_G54L];
 946                 if (!strcmp(buf, "30189"))
 947                         return &platforms[WHR_HP_G54];
 948                 if (!strcmp(buf, "32093"))
 949                         return &platforms[WHR_G125];
 950                 if (!strcmp(buf, "30182"))
 951                         return &platforms[WHR_G54S];
 952                 if (!strcmp(buf, "290441dd"))
 953                         return &platforms[WHR2_A54G54];
 954                 if (!strcmp(buf, "31120"))
 955                         return &platforms[WZR_G300N];
 956                 if (!strcmp(buf, "30083"))
 957                         return &platforms[WZR_RS_G54];
 958                 if (!strcmp(buf, "30103"))
 959                         return &platforms[WZR_RS_G54HP];
 960         }
 961
 962         /* no easy model number, attempt to guess */
 963         boardnum = getvar("boardnum");
 964         boardtype = getvar("boardtype");
 965
 966         if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N  v1/V1.1 */
 967                 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
 968                         return &platforms[WRT600NV11];
 969
 970         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
 971                         return &platforms[WRT600N];
 972         }
 973
 974         if (startswith(getvar("pmon_ver"), "CFE")) {
 975                 /* CFE based - newer hardware */
 976                 if (!strcmp(boardnum, "42")) { /* Linksys */
 977                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("boot_hw_model"), "WRT300N") && !strcmp(getvar("boot_hw_ver"), "1.1"))
 978                                 return &platforms[WRT300NV11];
 979
 980                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
 981                                 return &platforms[WRT350N];
 982
 983                         if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
 984                                 return &platforms[WRT54G3G];
 985
 986                         if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
 987                                 return &platforms[WRTSL54GS];
 988
 989                         if (!strcmp(boardtype, "0x0472"))
 990                                 return &platforms[WRT160N];
 991
 992                         /* default to WRT54G */
 993                         return &platforms[WRT54G];
 994                 }
 995                 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
 996                         return &platforms[WAP54GV2];
 997
 998                 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
 999                         return &platforms[WL1600GL];
1000
1001
1002                 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1003                         if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1004                                 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1005                 }
1006
1007                 if (!strcmp(boardnum, "45")) { /* ASUS */
1008                         if (!strcmp(boardtype,"0x042f"))
1009                                 return &platforms[WL500GP];
1010                         else if (!strcmp(boardtype,"0x0472"))
1011                                 return &platforms[WL500W];
1012                         else if (!strcmp(boardtype,"0x467"))
1013                                 return &platforms[WL320GE];
1014                         else
1015                                 return &platforms[WL500GD];
1016                 }
1017
1018                 if (!strcmp(boardnum, "10496"))
1019                         return &platforms[USR5461];
1020
1021                 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1022                         return &platforms[SE505V2];
1023
1024                 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1025                                 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1026                         return &platforms[DIR320];
1027
1028                 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1029                         return &platforms[WDNetCenter];
1030                 }
1031
1032         } else { /* PMON based - old stuff */
1033                 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1034                         (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1035                         return &platforms[WR850GV1];
1036                 }
1037                 if (startswith(boardtype, "bcm94710dev")) {
1038                         if (!strcmp(boardnum, "42"))
1039                                 return &platforms[WRT54GV1];
1040                         if (simple_strtoul(boardnum, NULL, 0) == 2)
1041                                 return &platforms[WAP54GV1];
1042                 }
1043                 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1044                 if (startswith(getvar("hardware_version"), "WL500-")) {
1045                         if (!strcmp(getvar("boardnum"), "mn700"))
1046                                 return &platforms[MN700];
1047                         else
1048                                 return &platforms[WL500G];
1049                 }
1050                 if (startswith(getvar("hardware_version"), "WL300-")) {
1051                         /* Either WL-300g or WL-HDD, do more extensive checks */
1052                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1053                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
1054                                 return &platforms[WLHDD];
1055                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1056                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
1057                                 return &platforms[WL300G];
1058                 }
1059                 /* Sitecom WL-105b */
1060                 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1061                         return &platforms[WL105B];
1062
1063                 /* unknown asus stuff, probably bcm4702 */
1064                 if (startswith(boardnum, "asusX"))
1065                         return &platforms[ASUS_4702];
1066
1067                 /* bcm4702 based Askey RT210W clones, Including:
1068                  * Askey RT210W (duh?)
1069                  * Siemens SE505v1
1070                  * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1071                  */
1072                 if (!strcmp(boardtype,"bcm94710r4")
1073                  && !strcmp(boardnum ,"100")
1074                  && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1075                    ){
1076                         return &platforms[RT210W];
1077                 }
1078         }
1079
1080         if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
1081                 if (startswith(boardtype, "bcm94710ap"))
1082                         return &platforms[BUFFALO_UNKNOWN_4710];
1083                 else
1084                         return &platforms[BUFFALO_UNKNOWN];
1085         }
1086
1087         if (startswith(getvar("CFEver"), "MotoWRv2") ||
1088                 startswith(getvar("CFEver"), "MotoWRv3") ||
1089                 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1090
1091                 return &platforms[WR850GV2V3];
1092         }
1093
1094         if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) {  /* Trendware TEW-411BRP+ */
1095                 return &platforms[TEW411BRPP];
1096         }
1097
1098         if (startswith(boardnum, "04FN52")) /* SimpleTech SimpleShare */
1099                 return &platforms[STI_NAS];
1100
1101         if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1102                 return &platforms[DWL3150];
1103
1104         /* not found */
1105         return NULL;
1106 }
1107
1108 static void register_buttons(struct button_t *b)
1109 {
1110         for (; b->name; b++)
1111                 platform.button_mask |= b->gpio;
1112
1113         platform.button_mask &= ~gpiomask;
1114
1115         gpio_outen(platform.button_mask, 0);
1116         gpio_control(platform.button_mask, 0);
1117         platform.button_polarity = gpio_in() & platform.button_mask;
1118         gpio_intpolarity(platform.button_mask, platform.button_polarity);
1119         gpio_setintmask(platform.button_mask, platform.button_mask);
1120
1121         gpio_set_irqenable(1, button_handler);
1122 }
1123
1124 static void unregister_buttons(struct button_t *b)
1125 {
1126         gpio_setintmask(platform.button_mask, 0);
1127
1128         gpio_set_irqenable(0, button_handler);
1129 }
1130
1131
1132 #ifndef LINUX_2_4
1133 static void add_msg(struct event_t *event, char *msg, int argv)
1134 {
1135         char *s;
1136
1137         if (argv)
1138                 return;
1139
1140         s = skb_put(event->skb, strlen(msg) + 1);
1141         strcpy(s, msg);
1142 }
1143
1144 static void hotplug_button(struct work_struct *work)
1145 {
1146         struct event_t *event = container_of(work, struct event_t, wq);
1147         char *s;
1148
1149         if (!uevent_sock)
1150                 return;
1151
1152         event->skb = alloc_skb(2048, GFP_KERNEL);
1153
1154         s = skb_put(event->skb, strlen(event->action) + 2);
1155         sprintf(s, "%s@", event->action);
1156         fill_event(event);
1157
1158         NETLINK_CB(event->skb).dst_group = 1;
1159         netlink_broadcast(uevent_sock, event->skb, 0, 1, GFP_KERNEL);
1160
1161         kfree(event);
1162 }
1163
1164 #else /* !LINUX_2_4 */
1165 static inline char *kzalloc(unsigned int size, unsigned int gfp)
1166 {
1167         char *p;
1168
1169         p = kmalloc(size, gfp);
1170         if (p == NULL)
1171                 return NULL;
1172
1173         memset(p, 0, size);
1174
1175         return p;
1176 }
1177
1178 static void add_msg(struct event_t *event, char *msg, int argv)
1179 {
1180         if (argv)
1181                 event->argv[event->anr++] = event->scratch;
1182         else
1183                 event->envp[event->enr++] = event->scratch;
1184
1185         event->scratch += sprintf(event->scratch, "%s", msg) + 1;
1186 }
1187
1188 static void hotplug_button(struct event_t *event)
1189 {
1190         char *scratch = kzalloc(256, GFP_KERNEL);
1191         event->scratch = scratch;
1192
1193         add_msg(event, hotplug_path, 1);
1194         add_msg(event, "button", 1);
1195         fill_event(event);
1196         call_usermodehelper (event->argv[0], event->argv, event->envp);
1197         kfree(scratch);
1198         kfree(event);
1199 }
1200 #endif /* !LINUX_2_4 */
1201
1202 static int fill_event (struct event_t *event)
1203 {
1204         static char buf[128];
1205
1206         add_msg(event, "HOME=/", 0);
1207         add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1208         add_msg(event, "SUBSYSTEM=button", 0);
1209         snprintf(buf, 128, "ACTION=%s", event->action);
1210         add_msg(event, buf, 0);
1211         snprintf(buf, 128, "BUTTON=%s", event->name);
1212         add_msg(event, buf, 0);
1213         snprintf(buf, 128, "SEEN=%ld", event->seen);
1214         add_msg(event, buf, 0);
1215 #ifndef LINUX_2_4
1216         snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1217         add_msg(event, buf, 0);
1218 #endif
1219
1220         return 0;
1221 }
1222
1223
1224 #ifndef LINUX_2_4
1225 static irqreturn_t button_handler(int irq, void *dev_id)
1226 #else
1227 static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
1228 #endif
1229 {
1230         struct button_t *b;
1231         u32 in, changed;
1232
1233         in = gpio_in() & platform.button_mask;
1234         gpio_intpolarity(platform.button_mask, in);
1235         changed = platform.button_polarity ^ in;
1236         platform.button_polarity = in;
1237
1238         changed &= ~gpio_outen(0, 0);
1239
1240         for (b = platform.buttons; b->name; b++) {
1241                 struct event_t *event;
1242
1243                 if (!(b->gpio & changed)) continue;
1244
1245                 b->pressed ^= 1;
1246
1247                 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1248                         event->seen = (jiffies - b->seen)/HZ;
1249                         event->name = b->name;
1250                         event->action = b->pressed ? "pressed" : "released";
1251 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
1252                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1253 #else
1254                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
1255 #endif
1256                         schedule_work(&event->wq);
1257                 }
1258
1259                 b->seen = jiffies;
1260         }
1261         return IRQ_HANDLED;
1262 }
1263
1264 static void register_leds(struct led_t *l)
1265 {
1266         struct proc_dir_entry *p;
1267         u32 mask = 0;
1268         u32 oe_mask = 0;
1269         u32 val = 0;
1270
1271         leds = proc_mkdir("led", diag);
1272         if (!leds)
1273                 return;
1274
1275         for(; l->name; l++) {
1276                 if (l->gpio & gpiomask)
1277                         continue;
1278
1279                 if (l->gpio & GPIO_TYPE_EXTIF) {
1280                         l->state = 0;
1281                         set_led_extif(l);
1282                 } else {
1283                         if (l->polarity != INPUT) oe_mask |= l->gpio;
1284                         mask |= l->gpio;
1285                         val |= (l->polarity == NORMAL)?0:l->gpio;
1286                 }
1287
1288                 if (l->polarity == INPUT) continue;
1289
1290                 if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
1291                         l->proc.type = PROC_LED;
1292                         l->proc.ptr = l;
1293                         p->data = (void *) &l->proc;
1294                         p->proc_fops = &diag_proc_fops;
1295                 }
1296         }
1297
1298         gpio_outen(mask, oe_mask);
1299         gpio_control(mask, 0);
1300         gpio_out(mask, val);
1301         gpio_setintmask(mask, 0);
1302 }
1303
1304 static void unregister_leds(struct led_t *l)
1305 {
1306         for(; l->name; l++)
1307                 remove_proc_entry(l->name, leds);
1308
1309         remove_proc_entry("led", diag);
1310 }
1311
1312 static void set_led_extif(struct led_t *led)
1313 {
1314         gpio_set_extif(led->gpio, led->state);
1315 }
1316
1317 static void led_flash(unsigned long dummy) {
1318         struct led_t *l;
1319         u32 mask = 0;
1320         u8 extif_blink = 0;
1321
1322         for (l = platform.leds; l->name; l++) {
1323                 if (l->flash) {
1324                         if (l->gpio & GPIO_TYPE_EXTIF) {
1325                                 extif_blink = 1;
1326                                 l->state = !l->state;
1327                                 set_led_extif(l);
1328                         } else {
1329                                 mask |= l->gpio;
1330                         }
1331                 }
1332         }
1333
1334         mask &= ~gpiomask;
1335         if (mask) {
1336                 u32 val = ~gpio_in();
1337
1338                 gpio_outen(mask, mask);
1339                 gpio_control(mask, 0);
1340                 gpio_out(mask, val);
1341         }
1342         if (mask || extif_blink) {
1343                 mod_timer(&led_timer, jiffies + FLASH_TIME);
1344         }
1345 }
1346
1347 static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1348 {
1349 #ifdef LINUX_2_4
1350         struct inode *inode = file->f_dentry->d_inode;
1351         struct proc_dir_entry *dent = inode->u.generic_ip;
1352 #else
1353         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1354 #endif
1355         char *page;
1356         int len = 0;
1357
1358         if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
1359                 return -ENOBUFS;
1360
1361         if (dent->data != NULL) {
1362                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1363                 switch (handler->type) {
1364                         case PROC_LED: {
1365                                 struct led_t * led = (struct led_t *) handler->ptr;
1366                                 if (led->flash) {
1367                                         len = sprintf(page, "f\n");
1368                                 } else {
1369                                         if (led->gpio & GPIO_TYPE_EXTIF) {
1370                                                 len = sprintf(page, "%d\n", led->state);
1371                                         } else {
1372                                                 u32 in = (gpio_in() & led->gpio ? 1 : 0);
1373                                                 u8 p = (led->polarity == NORMAL ? 0 : 1);
1374                                                 len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
1375                                         }
1376                                 }
1377                                 break;
1378                         }
1379                         case PROC_MODEL:
1380                                 len = sprintf(page, "%s\n", platform.name);
1381                                 break;
1382                         case PROC_GPIOMASK:
1383                                 len = sprintf(page, "0x%04x\n", gpiomask);
1384                                 break;
1385                 }
1386         }
1387         len += 1;
1388
1389         if (*ppos < len) {
1390                 len = min_t(int, len - *ppos, count);
1391                 if (copy_to_user(buf, (page + *ppos), len)) {
1392                         kfree(page);
1393                         return -EFAULT;
1394                 }
1395                 *ppos += len;
1396         } else {
1397                 len = 0;
1398         }
1399
1400         kfree(page);
1401         return len;
1402 }
1403
1404
1405 static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1406 {
1407 #ifdef LINUX_2_4
1408         struct inode *inode = file->f_dentry->d_inode;
1409         struct proc_dir_entry *dent = inode->u.generic_ip;
1410 #else
1411         struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
1412 #endif
1413         char *page;
1414         int ret = -EINVAL;
1415
1416         if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
1417                 return -ENOBUFS;
1418
1419         if (copy_from_user(page, buf, count)) {
1420                 kfree(page);
1421                 return -EINVAL;
1422         }
1423         page[count] = 0;
1424
1425         if (dent->data != NULL) {
1426                 struct prochandler_t *handler = (struct prochandler_t *) dent->data;
1427                 switch (handler->type) {
1428                         case PROC_LED: {
1429                                 struct led_t *led = (struct led_t *) handler->ptr;
1430                                 int p = (led->polarity == NORMAL ? 0 : 1);
1431
1432                                 if (page[0] == 'f') {
1433                                         led->flash = 1;
1434                                         led_flash(0);
1435                                 } else {
1436                                         led->flash = 0;
1437                                         if (led->gpio & GPIO_TYPE_EXTIF) {
1438                                                 led->state = p ^ ((page[0] == '1') ? 1 : 0);
1439                                                 set_led_extif(led);
1440                                         } else {
1441                                                 gpio_outen(led->gpio, led->gpio);
1442                                                 gpio_control(led->gpio, 0);
1443                                                 gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
1444                                         }
1445                                 }
1446                                 break;
1447                         }
1448                         case PROC_GPIOMASK:
1449                                 gpiomask = simple_strtoul(page, NULL, 0);
1450
1451                                 if (platform.buttons) {
1452                                         unregister_buttons(platform.buttons);
1453                                         register_buttons(platform.buttons);
1454                                 }
1455
1456                                 if (platform.leds) {
1457                                         unregister_leds(platform.leds);
1458                                         register_leds(platform.leds);
1459                                 }
1460                                 break;
1461                 }
1462                 ret = count;
1463         }
1464
1465         kfree(page);
1466         return ret;
1467 }
1468
1469 static int __init diag_init(void)
1470 {
1471         static struct proc_dir_entry *p;
1472         static struct platform_t *detected;
1473
1474         detected = platform_detect();
1475         if (!detected) {
1476                 printk(MODULE_NAME ": Router model not detected.\n");
1477                 return -ENODEV;
1478         }
1479         memcpy(&platform, detected, sizeof(struct platform_t));
1480
1481         printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1482         if (platform.platform_init != NULL) {
1483                 platform.platform_init();
1484         }
1485
1486         if (!(diag = proc_mkdir("diag", NULL))) {
1487                 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1488                 return -EINVAL;
1489         }
1490
1491         if ((p = create_proc_entry("model", S_IRUSR, diag))) {
1492                 p->data = (void *) &proc_model;
1493                 p->proc_fops = &diag_proc_fops;
1494         }
1495
1496         if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
1497                 p->data = (void *) &proc_gpiomask;
1498                 p->proc_fops = &diag_proc_fops;
1499         }
1500
1501         if (platform.buttons)
1502                 register_buttons(platform.buttons);
1503
1504         if (platform.leds)
1505                 register_leds(platform.leds);
1506
1507         return 0;
1508 }
1509
1510 static void __exit diag_exit(void)
1511 {
1512         del_timer(&led_timer);
1513
1514         if (platform.buttons)
1515                 unregister_buttons(platform.buttons);
1516
1517         if (platform.leds)
1518                 unregister_leds(platform.leds);
1519
1520         remove_proc_entry("model", diag);
1521         remove_proc_entry("gpiomask", diag);
1522         remove_proc_entry("diag", NULL);
1523 }
1524
1525 module_init(diag_init);
1526 module_exit(diag_exit);
1527
1528 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1529 MODULE_LICENSE("GPL");