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