package/kernel/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 #include <linux/workqueue.h>
  31 #include <linux/skbuff.h>
  32 #include <linux/netlink.h>
  33 #include <linux/kobject.h>
  34 #include <net/sock.h>
  35 #include <bcm47xx_board.h>
  36 extern u64 uevent_next_seqnum(void);
  37
  38 #include "gpio.h"
  39 #include "diag.h"
  40 #define getvar(str) (nvram_get(str)?:"")
  41
  42 static inline int startswith (char *source, char *cmp) { return !strncmp(source,cmp,strlen(cmp)); }
  43 static int fill_event(struct event_t *);
  44 static unsigned int gpiomask = 0;
  45 module_param(gpiomask, int, 0644);
  46
  47 extern char *nvram_get(char *str);
  48 static void led_flash(unsigned long dummy);
  49
  50 static struct platform_t platform;
  51
  52 static struct timer_list led_timer = TIMER_INITIALIZER(&led_flash, 0, 0);
  53
  54 static struct proc_dir_entry *diag, *leds;
  55
  56 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0)
  57 static inline struct inode *file_inode(struct file *f)
  58 {
  59         return f->f_path.dentry->d_inode;
  60 }
  61 #endif
  62
  63 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0)
  64 static inline void *PDE_DATA(const struct inode *inode)
  65 {
  66         return PDE(inode)->data;
  67 }
  68 #endif
  69
  70
  71 enum {
  72         /* Linksys */
  73         WAP54GV1,
  74         WAP54GV2,
  75         WAP54GV3,
  76         WRT54GV1,
  77         WRT54G,
  78         WRTSL54GS,
  79         WRT54G3G,
  80         WRT54G3GV2_VF,
  81         WRT150NV1,
  82         WRT150NV11,
  83         WRT160NV1,
  84         WRT160NV3,
  85         WRT300NV11,
  86         WRT310NV1,
  87         WRT350N,
  88         WRT600N,
  89         WRT600NV11,
  90         WRT610N,
  91         WRT610NV2,
  92         E1000V1,
  93         E1000V21,
  94         E2000V1,
  95         E3000V1,
  96         E3200V1,
  97         E4200V1,
  98
  99         /* ASUS */
 100         WLHDD,
 101         WL300G,
 102         WL320GE,
 103         WL330GE,
 104         WL500G,
 105         WL500GD,
 106         WL500GP,
 107         WL500GPV2,
 108         WL500W,
 109         WL520GC,
 110         WL520GU,
 111         ASUS_4702,
 112         WL700GE,
 113         RTN12,
 114         RTN16,
 115         RTN66U,
 116
 117         /* Buffalo */
 118         WBR2_G54,
 119         WHR_G54S,
 120         WHR_HP_G54,
 121         WHR_G125,
 122         WHR2_A54G54,
 123         WLA2_G54L,
 124         WZR_G300N,
 125         WZR_RS_G54,
 126         WZR_RS_G54HP,
 127         BUFFALO_UNKNOWN_4710,
 128
 129         /* Siemens */
 130         SE505V1,
 131         SE505V2,
 132
 133         /* US Robotics */
 134         USR5461,
 135
 136         /* Dell */
 137         TM2300,
 138         TM2300V2,
 139
 140         /* Motorola */
 141         WE800G,
 142         WR850GV1,
 143         WR850GV2V3,
 144         WR850GP,
 145
 146         /* Belkin */
 147         BELKIN_UNKNOWN,
 148         BELKIN_F7D4301,
 149
 150         /* Netgear */
 151         WGT634U,
 152         WNR834BV1,
 153         WNR834BV2,
 154         WNDR3400V1,
 155         WNDR3700V3,
 156
 157         /* Trendware */
 158         TEW411BRPP,
 159
 160         /* SimpleTech */
 161         STI_NAS,
 162
 163         /* D-Link */
 164         DIR130,
 165         DIR320,
 166         DIR330,
 167         DWL3150,
 168
 169         /* Sitecom */
 170         WL105B,
 171
 172         /* Western Digital */
 173         WDNetCenter,
 174
 175         /* Askey */
 176         RT210W,
 177
 178         /* OvisLink */
 179         WL1600GL,
 180
 181         /* Microsoft */
 182         MN700,
 183
 184         /* Edimax */
 185         PS1208MFG,
 186
 187         /* Huawei */
 188         HUAWEI_E970,
 189 };
 190
 191 static void __init bcm4780_init(void) {
 192                 int pin = 1 << 3;
 193
 194                 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
 195                 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
 196                 bcm47xx_gpio_outen(pin, pin);
 197                 bcm47xx_gpio_control(pin, 0);
 198                 bcm47xx_gpio_out(pin, pin);
 199
 200                 /* Wait 5s, so the HDD can spin up */
 201                 set_current_state(TASK_INTERRUPTIBLE);
 202                 schedule_timeout(HZ * 5);
 203 }
 204
 205 static void __init NetCenter_init(void) {
 206                 /* unset pin 6 (+12V) */
 207                 int pin = 1 << 6;
 208                 bcm47xx_gpio_outen(pin, pin);
 209                 bcm47xx_gpio_control(pin, 0);
 210                 bcm47xx_gpio_out(pin, pin);
 211                 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
 212                 pin = 1 << 1;
 213                 bcm47xx_gpio_outen(pin, pin);
 214                 bcm47xx_gpio_control(pin, 0);
 215                 bcm47xx_gpio_out(pin, pin);
 216                 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
 217                 bcm4780_init();
 218 }
 219
 220 static void __init bcm57xx_init(void) {
 221         int pin = 1 << 2;
 222
 223         /* FIXME: switch comes up, but port mappings/vlans not right */
 224         bcm47xx_gpio_outen(pin, pin);
 225         bcm47xx_gpio_control(pin, 0);
 226         bcm47xx_gpio_out(pin, pin);
 227 }
 228
 229 static struct platform_t __initdata platforms[] = {
 230         /* Linksys */
 231         [WAP54GV1] = {
 232                 .name           = "Linksys WAP54G V1",
 233                 .buttons        = {
 234                         { .name = "reset",      .gpio = 1 << 0 },
 235                 },
 236                 .leds           = {
 237                         { .name = "diag",       .gpio = 1 << 3 },
 238                         { .name = "wlan",       .gpio = 1 << 4 },
 239                 },
 240         },
 241         [WAP54GV2] = {
 242                 .name           = "Linksys WAP54G V2",
 243                 .buttons        = {
 244                         { .name = "reset",      .gpio = 1 << 0 },
 245                 },
 246                 .leds           = {
 247                         { .name = "wlan",       .gpio = 1 << 5, .polarity = REVERSE },
 248                         /* GPIO 6 is b44 (eth0, LAN) PHY power */
 249                 },
 250         },
 251         [WAP54GV3] = {
 252                 .name           = "Linksys WAP54G V3",
 253                 .buttons        = {
 254                         /* FIXME: verify this */
 255                         { .name = "reset",      .gpio = 1 << 7 },
 256                         { .name = "ses",        .gpio = 1 << 0 },
 257                 },
 258                 .leds           = {
 259                         /* FIXME: diag? */
 260                         { .name = "ses",        .gpio = 1 << 1 },
 261                 },
 262         },
 263         [WRT54GV1] = {
 264                 .name           = "Linksys WRT54G V1.x",
 265                 .buttons        = {
 266                         { .name = "reset",      .gpio = 1 << 6 },
 267                 },
 268                 .leds           = {
 269                         { .name = "diag",       .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 270                         { .name = "dmz",        .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 271                 },
 272         },
 273         [WRT54G] = {
 274                 .name           = "Linksys WRT54G/GS/GL",
 275                 .buttons        = {
 276                         { .name = "reset",      .gpio = 1 << 6 },
 277                         { .name = "ses",        .gpio = 1 << 4 },
 278                 },
 279                 .leds           = {
 280                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 281                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 282                         { .name = "ses_white",  .gpio = 1 << 2, .polarity = REVERSE },
 283                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 284                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 285                 },
 286         },
 287         [WRTSL54GS] = {
 288                 .name           = "Linksys WRTSL54GS",
 289                 .buttons        = {
 290                         { .name = "reset",      .gpio = 1 << 6 },
 291                         { .name = "ses",        .gpio = 1 << 4 },
 292                 },
 293                 .leds           = {
 294                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 295                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },
 296                         { .name = "ses_white",  .gpio = 1 << 5, .polarity = REVERSE },
 297                         { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
 298                 },
 299         },
 300         [WRT54G3G] = {
 301                 .name           = "Linksys WRT54G3G",
 302                 .buttons        = {
 303                         { .name = "reset",      .gpio = 1 << 6 },
 304                         { .name = "3g",         .gpio = 1 << 4 },
 305                 },
 306                 .leds           = {
 307                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 308                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 309                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 310                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 311                         { .name = "3g_blink",   .gpio = 1 << 5, .polarity = NORMAL },
 312                 },
 313         },
 314         [WRT54G3GV2_VF] = {
 315                 .name           = "Linksys WRT54G3GV2-VF",
 316                 .buttons        = {
 317                         { .name = "reset",      .gpio = 1 << 6 },
 318                         { .name = "3g",         .gpio = 1 << 5 },
 319                 },
 320                 .leds           = {
 321                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 322                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 323                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 324                 },
 325         },
 326         [WRT150NV1] = {
 327                 .name           = "Linksys WRT150N V1",
 328                 .buttons        = {
 329                         { .name = "reset",      .gpio = 1 << 6 },
 330                         { .name = "ses",        .gpio = 1 << 4 },
 331                 },
 332                 .leds           = {
 333                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 334                         { .name = "ses_green",  .gpio = 1 << 5, .polarity = REVERSE },
 335                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
 336                 },
 337         },
 338         [WRT150NV11] = {
 339                 .name           = "Linksys WRT150N V1.1",
 340                 .buttons        = {
 341                         { .name = "reset",      .gpio = 1 << 6 },
 342                         { .name = "ses",        .gpio = 1 << 4 },
 343                 },
 344                 .leds           = {
 345                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 346                         { .name = "ses_green",  .gpio = 1 << 5, .polarity = REVERSE },
 347                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
 348                 },
 349         },
 350         [WRT160NV1] = {
 351                 .name           = "Linksys WRT160N v1.x",
 352                 .buttons        = {
 353                         { .name = "reset",      .gpio = 1 << 6 },
 354                         { .name = "ses",        .gpio = 1 << 4 },
 355                 },
 356                 .leds           = {
 357                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 358                         { .name = "ses_blue",   .gpio = 1 << 5, .polarity = REVERSE },
 359                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 360                 },
 361         },
 362         [WRT160NV3] = {
 363                 .name           = "Linksys WRT160N V3",
 364                 .buttons        = {
 365                         { .name = "reset",      .gpio = 1 << 6 },
 366                         { .name = "ses",        .gpio = 1 << 5 },
 367                 },
 368                 .leds           = {
 369                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 370                         { .name = "ses_blue",   .gpio = 1 << 4, .polarity = REVERSE },
 371                         { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE },
 372                 },
 373         },
 374         [WRT300NV11] = {
 375                 .name           = "Linksys WRT300N V1.1",
 376                 .buttons        = {
 377                         { .name = "reset",     .gpio = 1 << 6 }, // "Reset" on back panel
 378                         { .name = "ses",       .gpio = 1 << 4 }, // "Reserved" on top panel
 379                 },
 380                 .leds           = {
 381                         { .name = "power",     .gpio = 1 << 1, .polarity = NORMAL  }, // "Power"
 382                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
 383                         { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
 384                 },
 385                 .platform_init = bcm57xx_init,
 386         },
 387         [WRT310NV1] = {
 388                 .name           = "Linksys WRT310N V1",
 389                 .buttons        = {
 390                         { .name = "reset",      .gpio = 1 << 6 }, // "Reset" on back panel
 391                         { .name = "ses",        .gpio = 1 << 8 }, // "Reserved" on top panel
 392                 },
 393                 .leds           = {
 394                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL }, // Power LED
 395                         { .name = "ses_amber",  .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
 396                         { .name = "ses_blue",   .gpio = 1 << 9, .polarity = REVERSE }, // "Security" Blue
 397                 },
 398         },
 399         [WRT350N] = {
 400                 .name           = "Linksys WRT350N",
 401                 .buttons        = {
 402                         { .name = "reset",      .gpio = 1 << 6 },
 403                         { .name = "ses",        .gpio = 1 << 8 },
 404                 },
 405                 .leds           = {
 406                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 407                         { .name = "ses_amber",  .gpio = 1 << 3, .polarity = REVERSE },
 408                         { .name = "ses_green",  .gpio = 1 << 9, .polarity = REVERSE },
 409                         { .name = "usb_blink",  .gpio = 1 << 10, .polarity = REVERSE },
 410                         { .name = "usb",        .gpio = 1 << 11, .polarity = REVERSE },
 411                 },
 412                 .platform_init = bcm57xx_init,
 413         },
 414         [WRT600N] = {
 415                 .name           = "Linksys WRT600N",
 416                 .buttons        = {
 417                         { .name = "reset",      .gpio = 1 << 6 },
 418                         { .name = "ses",        .gpio = 1 << 7 },
 419                 },
 420                 .leds           = {
 421                         { .name = "power",              .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 422                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 423                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 424                         { .name = "wl0_ses_green",      .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 425                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 426                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 427                 },
 428                 .platform_init = bcm57xx_init,
 429         },
 430         [WRT600NV11] = {
 431                 .name           = "Linksys WRT600N V1.1",
 432                 .buttons        = {
 433                         { .name = "reset",      .gpio = 1 << 6 },
 434                         { .name = "ses",        .gpio = 1 << 7 },
 435                 },
 436                 .leds           = {
 437                         { .name = "power",             .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 438                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 439                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 440                         { .name = "wl0_ses_green",     .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 441                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 442                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 443                 },
 444                 .platform_init = bcm57xx_init,
 445         },
 446         [WRT610N] = {
 447                 .name           = "Linksys WRT610N",
 448                 .buttons        = {
 449                         { .name = "reset",      .gpio = 1 << 6 },
 450                         { .name = "ses",        .gpio = 1 << 8 },
 451                 },
 452                 .leds           = {
 453                         { .name = "power",      .gpio = 1 << 1,  .polarity = NORMAL }, // Power LED
 454                         { .name = "usb",        .gpio = 1 << 0,  .polarity = REVERSE }, // USB LED
 455                         { .name = "ses_amber",  .gpio = 1 << 3,  .polarity = REVERSE }, // WiFi protected setup LED amber
 456                         { .name = "ses_blue",   .gpio = 1 << 9,  .polarity = REVERSE }, // WiFi protected setup LED blue
 457                 },
 458         },
 459         [WRT610NV2] = {
 460                 .name           = "Linksys WRT610N V2",
 461                 .buttons        = {
 462                         { .name = "reset",      .gpio = 1 << 6 },
 463                         { .name = "ses",        .gpio = 1 << 4 },
 464                 },
 465                 .leds           = {
 466                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },   // Power LED
 467                         { .name = "usb",        .gpio = 1 << 7, .polarity = NORMAL },   // USB LED
 468                         { .name = "ses_amber",  .gpio = 1 << 0, .polarity = REVERSE },  // WiFi protected setup LED amber
 469                         { .name = "ses_blue",   .gpio = 1 << 3, .polarity = REVERSE },  // WiFi protected setup LED blue
 470                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },   // Wireless LED
 471                 },
 472         },
 473         /* same hardware as WRT160NV3 and Cisco Valet M10V1, but different board detection, combine? */
 474         [E1000V1] = {
 475                 .name           = "Linksys E1000 V1",
 476                 .buttons        = {
 477                         { .name = "reset",      .gpio = 1 << 6 },
 478                         { .name = "wps",        .gpio = 1 << 5 }, /* nvram get gpio5=wps_button */
 479                 },
 480                 .leds           = {
 481                         /** turns on leds for all ethernet ports (wan too)
 482                          *  this also disconnects some, or maybe all, ethernet ports
 483                          *  1: leds work normally
 484                          *  0: all lit all the time */
 485                         /* nvram get gpio3=robo_reset */
 486                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
 487                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 488                         { .name = "ses_blue",   .gpio = 1 << 4, .polarity = REVERSE }, /* nvram get gpio4=wps_led */
 489                         { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE }, /* nvram get gpio2=wps_status_led */
 490                 },
 491         },
 492         [E1000V21] = {
 493                 .name           = "Linksys E1000 V2.1",
 494                 .buttons        = {
 495                         { .name = "reset",      .gpio = 1 << 10 }, /* nvram get reset_gpio=10 */
 496                         { .name = "wps",        .gpio = 1 << 9 }, /* nvram get gpio9=wps_button */
 497                 },
 498                 .leds           = {
 499                         { .name = "power",      .gpio = 1 << 6, .polarity = REVERSE },
 500                         { .name = "wlan",       .gpio = 1 << 5, .polarity = NORMAL },
 501                         { .name = "ses_blue",   .gpio = 1 << 8, .polarity = NORMAL }, /* nvram get gpio8=wps_led */
 502                         { .name = "ses_orange", .gpio = 1 << 7, .polarity = NORMAL }, /* nvram get gpio7=wps_status_led */
 503                 },
 504         },
 505         [E2000V1] = {
 506                 .name           = "Linksys E2000 V1",
 507                 .buttons        = {
 508                         { .name = "reset",      .gpio = 1 << 8 },
 509                         { .name = "ses",        .gpio = 1 << 5 },
 510                 },
 511                 .leds           = {
 512                         { .name = "power",      .gpio = 1 << 2, .polarity = NORMAL },
 513                         { .name = "ses_amber",  .gpio = 1 << 4, .polarity = REVERSE },
 514                         { .name = "ses_blue",   .gpio = 1 << 3, .polarity = REVERSE },
 515                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },
 516                 },
 517         },
 518         [E3000V1] = {
 519                 .name           = "Linksys E3000 V1",
 520                 .buttons        = {
 521                         { .name = "reset",      .gpio = 1 << 6 },
 522                         { .name = "ses",        .gpio = 1 << 4 },
 523                 },
 524                 .leds           = {
 525                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },   // Power LED
 526                         { .name = "usb",        .gpio = 1 << 7, .polarity = NORMAL },   // USB LED
 527                         { .name = "ses_amber",  .gpio = 1 << 0, .polarity = REVERSE },  // WiFi protected setup LED amber
 528                         { .name = "ses_blue",   .gpio = 1 << 3, .polarity = REVERSE },  // WiFi protected setup LED blue
 529                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },   // Wireless LED
 530                 },
 531         },
 532         [E3200V1] = {
 533                 .name           = "Linksys E3200 V1",
 534                 .buttons        = {
 535                         /* { .name = "switch",  .gpio = 1 << 4 },*/     /* nvram get gpio4=robo_reset */
 536                         { .name = "reset",      .gpio = 1 << 5 },       /* nvram get reset_gpio=5 */
 537                         { .name = "wps",        .gpio = 1 << 8 },       /* nvram get gpio8=wps_button */
 538                         /* { .name = "wombo",   .gpio = 1 << 23 },*/    /* nvram get gpio23=wombo_reset - wireless on motherboard */
 539                 },
 540                 .leds   = {
 541                         { .name = "power",      .gpio = 1 << 3, .polarity = REVERSE },  /* Power LED */
 542                 },
 543         },
 544         [E4200V1] = {
 545                 .name           = "Linksys E4200 V1",
 546                 .buttons        = {
 547                         { .name = "reset",      .gpio = 1 << 6 },
 548                         { .name = "wps",        .gpio = 1 << 4 },
 549                 },
 550                 .leds   = {
 551                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 552                 },
 553         },
 554         /* Asus */
 555         [WLHDD] = {
 556                 .name           = "ASUS WL-HDD",
 557                 .buttons        = {
 558                         { .name = "reset",      .gpio = 1 << 6 },
 559                 },
 560                 .leds           = {
 561                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 562                         { .name = "usb",        .gpio = 1 << 2, .polarity = REVERSE },
 563                 },
 564         },
 565         [WL300G] = {
 566                 .name           = "ASUS WL-300g",
 567                 .buttons        = {
 568                         { .name = "reset",      .gpio = 1 << 6 },
 569                 },
 570                 .leds           = {
 571                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 572                 },
 573         },
 574         [WL320GE] = {
 575                 .name           = "ASUS WL-320gE/WL-320gP",
 576                 .buttons        = {
 577                         { .name = "reset",      .gpio = 1 << 6 },
 578                 },
 579                 .leds           = {
 580                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 581                         { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
 582                         { .name = "link",       .gpio = 1 << 11, .polarity = REVERSE },
 583                 },
 584         },
 585         [WL330GE] = {
 586                 .name           = "ASUS WL-330gE",
 587                 .buttons        = {
 588                         { .name = "reset",      .gpio = 1 << 2 },
 589                 },
 590                 .leds           = {
 591                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 592                 },
 593         },
 594         [WL500G] = {
 595                 .name           = "ASUS WL-500g",
 596                 .buttons        = {
 597                         { .name = "reset",      .gpio = 1 << 6 },
 598                 },
 599                 .leds           = {
 600                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 601                 },
 602         },
 603         [WL500GD] = {
 604                 .name           = "ASUS WL-500g Deluxe",
 605                 .buttons        = {
 606                         { .name = "reset",      .gpio = 1 << 6 },
 607                 },
 608                 .leds           = {
 609                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 610                 },
 611         },
 612         [WL500GP] = {
 613                 .name           = "ASUS WL-500g Premium",
 614                 .buttons        = {
 615                         { .name = "reset",      .gpio = 1 << 0 },
 616                         { .name = "ses",        .gpio = 1 << 4 },
 617                 },
 618                 .leds           = {
 619                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 620                 },
 621         },
 622         [WL500GPV2] = {
 623                 .name           = "ASUS WL-500g Premium V2",
 624                 .buttons        = {
 625                         { .name = "reset",      .gpio = 1 << 2 },
 626                         { .name = "ses",        .gpio = 1 << 3 },
 627                 },
 628                 .leds           = {
 629                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 630                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 631                 },
 632         },
 633         [WL500W] = {
 634                 .name           = "ASUS WL-500W",
 635                 .buttons        = {
 636                         { .name = "reset",      .gpio = 1 << 6 },
 637                         { .name = "ses",        .gpio = 1 << 7 },
 638                 },
 639                 .leds           = {
 640                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 641                 },
 642         },
 643         [WL520GC] = {
 644                 .name           = "ASUS WL-520GC",
 645                 .buttons        = {
 646                         { .name = "reset",      .gpio = 1 << 2 },
 647                         { .name = "ses",        .gpio = 1 << 3 },
 648                 },
 649                 .leds           = {
 650                 { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 651                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 652                 },
 653         },
 654         [WL520GU] = {
 655                 .name           = "ASUS WL-520gU",
 656                 .buttons        = {
 657                         { .name = "reset",      .gpio = 1 << 2 },
 658                         { .name = "ses",        .gpio = 1 << 3 },
 659                 },
 660                 .leds           = {
 661                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 662                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 663                 },
 664         },
 665         [ASUS_4702] = {
 666                 .name           = "ASUS (unknown, BCM4702)",
 667                 .buttons        = {
 668                         { .name = "reset",      .gpio = 1 << 6 },
 669                 },
 670                 .leds           = {
 671                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 672                 },
 673         },
 674         [WL700GE] = {
 675                 .name           = "ASUS WL-700gE",
 676                 .buttons        = {
 677                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 678                         { .name = "ses",        .gpio = 1 << 4 }, // on back, actual name ezsetup
 679                         { .name = "power",      .gpio = 1 << 0 }, // on front
 680                         { .name = "copy",       .gpio = 1 << 6 }, // on front
 681                 },
 682                 .leds           = {
 683 #if 0
 684                         // GPIO that controls power led also enables/disables some essential functions
 685                         // - power to HDD
 686                         // - switch leds
 687                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },  // actual name power
 688 #endif
 689                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 690                 },
 691                 .platform_init = bcm4780_init,
 692         },
 693         [RTN12] = {
 694                 .name           = "ASUS RT-N12",
 695                 .buttons        = {
 696                         { .name = "wps",        .gpio = 1 << 0 },
 697                         { .name = "reset",      .gpio = 1 << 1 },
 698                         // this is the router/repeater/ap switch
 699                         { .name = "sw1",        .gpio = 1 << 4 },
 700                         { .name = "sw2",        .gpio = 1 << 5 },
 701                         { .name = "sw3",        .gpio = 1 << 6 },
 702                 },
 703                 .leds           = {
 704                         { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
 705                         { .name = "wlan",       .gpio = 1 << 7, .polarity = NORMAL },
 706                         // gpio3 forces WAN and LAN1-4 all on
 707                         //{ .name = "eth",      .gpio = 1 << 3, .polarity = REVERSE },
 708                 },
 709         },
 710         [RTN16] = {
 711                 .name           = "ASUS RT-N16",
 712                 .buttons        = {
 713                         { .name = "reset",      .gpio = 1 << 8 },
 714                         { .name = "ses",        .gpio = 1 << 6 },
 715                 },
 716                 .leds           = {
 717                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 718                         { .name = "wlan",       .gpio = 1 << 7, .polarity = NORMAL },
 719                 },
 720         },
 721         [RTN66U] = {
 722                 .name           = "ASUS RT-N66U",
 723                 .buttons        = {
 724                         { .name = "reset",      .gpio = 1 << 9 },
 725                         { .name = "wps",        .gpio = 1 << 4 },
 726                 },
 727                 .leds           = {
 728                         { .name = "power",      .gpio = 1 << 12, .polarity = REVERSE },
 729                         { .name = "usb",        .gpio = 1 << 15, .polarity = REVERSE },
 730                 },
 731         },
 732         /* Buffalo */
 733         [WHR_G54S] = {
 734                 .name           = "Buffalo WHR-G54S",
 735                 .buttons        = {
 736                         { .name = "reset",      .gpio = 1 << 4 },
 737                         { .name = "bridge",     .gpio = 1 << 5 },
 738                         { .name = "ses",        .gpio = 1 << 0 },
 739                 },
 740                 .leds           = {
 741                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 742                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 743                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 744                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 745                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 746                 },
 747         },
 748         [WBR2_G54] = {
 749                 .name           = "Buffalo WBR2-G54",
 750                 /* FIXME: verify */
 751                 .buttons        = {
 752                         { .name = "reset",      .gpio = 1 << 7 },
 753                 },
 754                 .leds           = {
 755                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 756                 },
 757         },
 758         [WHR_HP_G54] = {
 759                 .name           = "Buffalo WHR-HP-G54",
 760                 .buttons        = {
 761                         { .name = "reset",      .gpio = 1 << 4 },
 762                         { .name = "bridge",     .gpio = 1 << 5 },
 763                         { .name = "ses",        .gpio = 1 << 0 },
 764                 },
 765                 .leds           = {
 766                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 767                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 768                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 769                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 770                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 771                 },
 772         },
 773         [WHR_G125] = {
 774                 .name           = "Buffalo WHR-G125",
 775                 .buttons        = {
 776                         { .name = "reset",      .gpio = 1 << 4 },
 777                         { .name = "bridge",     .gpio = 1 << 5 },
 778                         { .name = "ses",        .gpio = 1 << 0 },
 779                 },
 780                 .leds           = {
 781                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 782                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 783                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 784                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 785                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 786                 },
 787         },
 788         [WHR2_A54G54] = {
 789                 .name           = "Buffalo WHR2-A54G54",
 790                 .buttons        = {
 791                         { .name = "reset",      .gpio = 1 << 4 },
 792                 },
 793                 .leds           = {
 794                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 795                 },
 796         },
 797         [WLA2_G54L] = {
 798                 .name           = "Buffalo WLA2-G54L",
 799                 /* FIXME: verify */
 800                 .buttons        = {
 801                         { .name = "reset",      .gpio = 1 << 7 },
 802                 },
 803                 .leds           = {
 804                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 805                 },
 806         },
 807         [WZR_G300N] = {
 808                 .name           = "Buffalo WZR-G300N",
 809                 .buttons        = {
 810                         { .name = "reset",      .gpio = 1 << 4 },
 811                 },
 812                 .leds           = {
 813                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 814                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 815                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 816                 },
 817         },
 818         [WZR_RS_G54] = {
 819                 .name           = "Buffalo WZR-RS-G54",
 820                 .buttons        = {
 821                         { .name = "ses",        .gpio = 1 << 0 },
 822                         { .name = "reset",      .gpio = 1 << 4 },
 823                 },
 824                 .leds           = {
 825                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 826                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 827                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 828                 },
 829         },
 830         [WZR_RS_G54HP] = {
 831                 .name           = "Buffalo WZR-RS-G54HP",
 832                 .buttons        = {
 833                         { .name = "ses",        .gpio = 1 << 0 },
 834                         { .name = "reset",      .gpio = 1 << 4 },
 835                 },
 836                 .leds           = {
 837                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 838                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 839                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 840                 },
 841         },
 842         [BUFFALO_UNKNOWN_4710] = {
 843                 .name           = "Buffalo (unknown, BCM4710)",
 844                 .buttons        = {
 845                         { .name = "reset",      .gpio = 1 << 4 },
 846                 },
 847                 .leds           = {
 848                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 849                 },
 850         },
 851         /* Siemens */
 852         [SE505V1] = {
 853                 .name           = "Siemens SE505 V1",
 854                 .buttons        = {
 855                         /* No usable buttons */
 856                 },
 857                 .leds           = {
 858 //                      { .name = "power",      .gpio = 1 << 0  .polarity = REVERSE },  // Usable when retrofitting D26 (?)
 859                         { .name = "dmz",        .gpio = 1 << 4, .polarity = REVERSE },  // actual name WWW
 860                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 861                 },
 862         },
 863         [SE505V2] = {
 864                 .name           = "Siemens SE505 V2",
 865                 .buttons        = {
 866                         /* No usable buttons */
 867                 },
 868                 .leds           = {
 869                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 870                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },  // actual name WWW
 871                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 872                 },
 873         },
 874         /* US Robotics */
 875         [USR5461] = {
 876                 .name           = "U.S. Robotics USR5461",
 877                 .buttons        = {
 878                         /* No usable buttons */
 879                 },
 880                 .leds           = {
 881                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 882                         { .name = "printer",    .gpio = 1 << 1, .polarity = REVERSE },
 883                 },
 884         },
 885         /* Dell */
 886         [TM2300] = {
 887                 .name           = "Dell TrueMobile 2300",
 888                 .buttons        = {
 889                         { .name = "reset",      .gpio = 1 << 0 },
 890                 },
 891                 .leds           = {
 892                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 893                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 894                 },
 895         },
 896         [TM2300V2] = {
 897                 .name           = "Dell TrueMobile 2300 v2",
 898                 .buttons        = {
 899                         { .name = "reset",      .gpio = 1 << 0 },
 900                 },
 901                 .leds           = {
 902                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 903                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 904                 },
 905         },
 906         /* Motorola */
 907         [WE800G] = {
 908                 .name           = "Motorola WE800G",
 909                 .buttons        = {
 910                         { .name = "reset",      .gpio = 1 << 0 },
 911                 },
 912                 .leds           = {
 913                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 914                         { .name = "diag",       .gpio = 1 << 2, .polarity = REVERSE },
 915                         { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
 916                 },
 917         },
 918         [WR850GV1] = {
 919                 .name           = "Motorola WR850G V1",
 920                 .buttons        = {
 921                         { .name = "reset",      .gpio = 1 << 0 },
 922                 },
 923                 .leds           = {
 924                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 925                         { .name = "diag",       .gpio = 1 << 3, .polarity = REVERSE },
 926                         { .name = "dmz",        .gpio = 1 << 6, .polarity = NORMAL },
 927                         { .name = "wlan_red",   .gpio = 1 << 5, .polarity = REVERSE },
 928                         { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
 929                 },
 930         },
 931         [WR850GV2V3] = {
 932                 .name           = "Motorola WR850G V2/V3",
 933                 .buttons        = {
 934                         { .name = "reset",      .gpio = 1 << 5 },
 935                 },
 936                 .leds           = {
 937                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 938                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 939                         { .name = "wan",        .gpio = 1 << 6, .polarity = INPUT },
 940                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 941                 },
 942         },
 943         [WR850GP] = {
 944                 .name           = "Motorola WR850GP",
 945                 .buttons        = {
 946                         { .name = "reset",      .gpio = 1 << 5 },
 947                 },
 948                 .leds           = {
 949                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 950                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 951                         { .name = "dmz",        .gpio = 1 << 6, .polarity = REVERSE },
 952                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 953                 },
 954         },
 955
 956         /* Belkin */
 957         [BELKIN_UNKNOWN] = {
 958                 .name           = "Belkin (unknown)",
 959                 /* FIXME: verify & add detection */
 960                 .buttons        = {
 961                         { .name = "reset",      .gpio = 1 << 7 },
 962                 },
 963                 .leds           = {
 964                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },
 965                         { .name = "wlan",       .gpio = 1 << 3, .polarity = NORMAL },
 966                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
 967                 },
 968         },
 969         [BELKIN_F7D4301] = {
 970                 .name           = "Belkin PlayMax F7D4301",
 971                 .buttons        = {
 972                         { .name = "reset",      .gpio = 1 << 6 },
 973                         { .name = "wps",        .gpio = 1 << 8 },
 974                 },
 975                 .leds           = {
 976                         { .name = "power",      .gpio = 1 << 11, .polarity = REVERSE },
 977                         { .name = "wlan",       .gpio = 1 << 13, .polarity = REVERSE },
 978                         { .name = "led0",       .gpio = 1 << 14, .polarity = REVERSE },
 979                         { .name = "led1",       .gpio = 1 << 15, .polarity = REVERSE },
 980                 },
 981         },
 982         /* Netgear */
 983         [WGT634U] = {
 984                 .name           = "Netgear WGT634U",
 985                 .buttons        = {
 986                         { .name = "reset",      .gpio = 1 << 2 },
 987                 },
 988                 .leds           = {
 989                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
 990                 },
 991         },
 992         /* Netgear */
 993         [WNR834BV1] = {
 994                 .name           = "Netgear WNR834B V1",
 995                 .buttons        = { /* TODO: add reset button and confirm LEDs - GPIO from dd-wrt */ },
 996                 .leds           = {
 997                         { .name = "power",      .gpio = 1 << 4, .polarity = REVERSE },
 998                         { .name = "diag",       .gpio = 1 << 5, .polarity = REVERSE },
 999                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
1000                 },
1001         },
1002         /* Netgear */
1003         [WNR834BV2] = {
1004                 .name           = "Netgear WNR834B V2",
1005                 .buttons        = {
1006                         { .name = "reset",      .gpio = 1 << 6 },
1007                 },
1008                 .leds           = {
1009                         { .name = "power",      .gpio = 1 << 2, .polarity = NORMAL },
1010                         { .name = "diag",       .gpio = 1 << 3, .polarity = NORMAL },
1011                         { .name = "connected",  .gpio = 1 << 7, .polarity = NORMAL },
1012                 },
1013         },
1014         [WNDR3400V1] = {
1015                 .name           = "Netgear WNDR3400 V1",
1016                 .buttons        = {
1017                         /* nvram get gpio5=robo_reset */
1018                         { .name = "reset",      .gpio = 1 << 4 },
1019                         { .name = "wps",        .gpio = 1 << 6 },
1020                         { .name = "wlan",       .gpio = 1 << 8 },
1021                 },
1022                 .leds           = {
1023                         { .name = "wlan",       .gpio = 0 << 0, .polarity = NORMAL },
1024                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
1025                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
1026                         { .name = "diag",       .gpio = 1 << 7, .polarity = NORMAL },
1027                         { .name = "usb",        .gpio = 1 << 2, .polarity = REVERSE },
1028                 },
1029         },
1030         [WNDR3700V3] = {
1031                 .name           = "Netgear WNDR3700 V3",
1032                 .buttons        = {
1033                         /* { .name = "usb",     .gpio = 1 << 1 }, */ /* this button doesn't seem to exist. */
1034                         { .name = "wlan",       .gpio = 1 << 2 },
1035                         { .name = "reset",      .gpio = 1 << 3 },
1036                         { .name = "wps",        .gpio = 1 << 4 },
1037                         /* { .name = "switch",  .gpio = 1 << 5 },*/     /* nvram get gpio5=robo_reset */
1038                 },
1039                 .leds           = {
1040                         { .name = "power",      .gpio = (1 << 0) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1041                         { .name = "diag",       .gpio = (1 << 1) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1042                         /* WAN LED doesn't respond to GPIO control. The switch is probably driving it.
1043                          * { .name = "wan",     .gpio = (1 << 2) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1044                          */
1045                         { .name = "wlan2g",     .gpio = (1 << 3) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1046                         { .name = "wlan5g",     .gpio = (1 << 4) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1047                         { .name = "usb",        .gpio = (1 << 5) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1048                         { .name = "wps",        .gpio = (1 << 6) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1049                         { .name = "wlan",       .gpio = (1 << 7) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1050                 },
1051         },
1052         /* Trendware */
1053         [TEW411BRPP] = {
1054                 .name           = "Trendware TEW411BRP+",
1055                 .buttons        = {
1056                         { /* No usable buttons */ },
1057                 },
1058                 .leds           = {
1059                         { .name = "power",      .gpio = 1 << 7, .polarity = NORMAL },
1060                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },
1061                         { .name = "bridge",     .gpio = 1 << 6, .polarity = NORMAL },
1062                 },
1063         },
1064         /* SimpleTech */
1065         [STI_NAS] = {
1066                 .name      = "SimpleTech SimpleShare NAS",
1067                 .buttons        = {
1068                         { .name = "reset",      .gpio = 1 << 0 }, // Power button on back, named reset to enable failsafe.
1069                 },
1070                 .leds      = {
1071                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
1072                 },
1073                 .platform_init = bcm4780_init,
1074         },
1075         /* D-Link */
1076         [DIR130] = {
1077                 .name     = "D-Link DIR-130",
1078                 .buttons        = {
1079                         { .name = "reset",      .gpio = 1 << 3},
1080                         { .name = "reserved",   .gpio = 1 << 7},
1081                 },
1082                 .leds      = {
1083                         { .name = "diag",       .gpio = 1 << 0},
1084                         { .name = "blue",       .gpio = 1 << 6},
1085                 },
1086         },
1087         [DIR320] = {
1088                 .name     = "D-Link DIR-320",
1089                 .buttons        = {
1090                         { .name = "reserved",   .gpio = 1 << 6},
1091                         { .name = "reset",      .gpio = 1 << 7},
1092                 },
1093                 .leds      = {
1094                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
1095                         { .name = "diag",       .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
1096                         { .name = "red",        .gpio = 1 << 3, .polarity = REVERSE },
1097                         { .name = "blue",       .gpio = 1 << 4, .polarity = REVERSE },
1098                         { .name = "usb",        .gpio = 1 << 5, .polarity = NORMAL },
1099                 },
1100         },
1101         [DIR330] = {
1102                 .name     = "D-Link DIR-330",
1103                 .buttons        = {
1104                         { .name = "reset",      .gpio = 1 << 3},
1105                         { .name = "reserved",   .gpio = 1 << 7},
1106                 },
1107                 .leds      = {
1108                         { .name = "diag",       .gpio = 1 << 0},
1109                         { .name = "usb",        .gpio = 1 << 4},
1110                         { .name = "blue",       .gpio = 1 << 6},
1111                 },
1112         },
1113         [DWL3150] = {
1114                 .name   = "D-Link DWL-3150",
1115                 .buttons        = {
1116                         { .name = "reset",      .gpio = 1 << 7},
1117                 },
1118                 .leds     = {
1119                         { .name = "diag",       .gpio = 1 << 2},
1120                         { .name = "status",     .gpio = 1 << 1},
1121                 },
1122         },
1123         /* Double check */
1124         [WL105B] = {
1125                 .name   = "Sitecom WL-105b",
1126                 .buttons        = {
1127                         { .name = "reset",      .gpio = 1 << 10},
1128                 },
1129                 .leds     = {
1130                         { .name = "wlan",       .gpio = 1 << 4},
1131                         { .name = "power",      .gpio = 1 << 3},
1132                 },
1133         },
1134         /* Western Digital Net Center */
1135         [WDNetCenter] = {
1136                 .name   = "Western Digital NetCenter",
1137                 .buttons        = {
1138                         { .name = "power",      .gpio = 1 << 0},
1139                         { .name = "reset",      .gpio = 1 << 7},
1140                 },
1141                 .platform_init = NetCenter_init,
1142         },
1143         /* Askey (and clones) */
1144         [RT210W] = {
1145                 .name           = "Askey RT210W",
1146                 .buttons        = {
1147                         /* Power button is hard-wired to hardware reset */
1148                         /* but is also connected to GPIO 7 (probably for bootloader recovery)  */
1149                         { .name = "power",      .gpio = 1 << 7},
1150                 },
1151                 .leds           = {
1152                         /* These were verified and named based on Belkin F5D4230-4 v1112 */
1153                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
1154                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
1155                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
1156                 },
1157         },
1158         [WL1600GL] = {
1159                 .name           = "OvisLink WL-1600GL",
1160                 .buttons        = {
1161                         { .name = "reset",      .gpio = 1 << 3 },
1162                         { .name = "ses",        .gpio = 1 << 4 },
1163                 },
1164                 .leds           = {
1165                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
1166                         { .name = "wps",        .gpio = 1 << 2, .polarity = REVERSE },
1167                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
1168                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
1169                 },
1170         },
1171         /* Microsoft */
1172         [MN700] = {
1173                 .name   = "Microsoft MN-700",
1174                 .buttons        = {
1175                         { .name = "reset",      .gpio = 1 << 7 },
1176                 },
1177                 .leds     = {
1178                         { .name = "power",      .gpio = 1 << 6, .polarity = NORMAL },
1179                 },
1180         },
1181         /* Edimax */
1182         [PS1208MFG] = {
1183                 .name   = "Edimax PS-1208MFG",
1184                 .buttons        = {
1185                         { .name = "reset",      .gpio = 1 << 4 },
1186                 },
1187                 .leds     = {
1188                         { .name = "status",     .gpio = 1 << 1, .polarity = NORMAL },
1189                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
1190                 },
1191         },
1192         /* Huawei */
1193         [HUAWEI_E970] = {
1194                 .name           = "Huawei E970",
1195                 .buttons        = {
1196                         { .name = "reset",      .gpio = 1 << 6 },
1197                 },
1198                 .leds           = {
1199                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
1200                 },
1201         },
1202 };
1203
1204 static struct platform_t __init *platform_detect_legacy(void)
1205 {
1206         char *boardnum, *boardtype;
1207
1208         if (strcmp(getvar("nvram_type"), "cfe") == 0)
1209                 return &platforms[WGT634U];
1210
1211
1212         /* no easy model number, attempt to guess */
1213         boardnum = getvar("boardnum");
1214         boardtype = getvar("boardtype");
1215
1216         if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N  v1/V1.1 */
1217                 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
1218                         return &platforms[WRT600NV11];
1219
1220         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
1221                         return &platforms[WRT600N];
1222         }
1223
1224         if (startswith(getvar("pmon_ver"), "CFE")) {
1225                 /* CFE based - newer hardware */
1226                 if (!strcmp(boardnum, "42")) { /* Linksys */
1227                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
1228                                 return &platforms[WRT350N];
1229
1230                         if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
1231                                 return &platforms[WRT54G3G];
1232
1233                         /* default to WRT54G if no boot_hw_model is set */
1234                         if (nvram_get("boot_hw_model") == NULL)
1235                                 return &platforms[WRT54G];
1236                 }
1237                 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
1238                         return &platforms[WAP54GV2];
1239
1240                 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
1241                         return &platforms[WL1600GL];
1242
1243
1244                 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1245                         if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1246                                 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1247                 }
1248
1249                 if (!strcmp(boardnum, "10496"))
1250                         return &platforms[USR5461];
1251
1252                 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1253                         return &platforms[SE505V2];
1254
1255                 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1256                                 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1257                         return &platforms[DIR320];
1258
1259                 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1260                         return &platforms[WDNetCenter];
1261                 }
1262
1263                 if (!strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B  V1 and V2*/
1264                         if (!strcmp(boardnum, "08") || !strcmp(boardnum, "8"))
1265                                 return &platforms[WNR834BV1];
1266                         if (!strcmp(boardnum, "01") || !strcmp(boardnum, "1"))
1267                                 return &platforms[WNR834BV2];
1268                 }
1269
1270         } else { /* PMON based - old stuff */
1271                 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1272                         (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1273                         return &platforms[WR850GV1];
1274                 }
1275                 if (startswith(boardtype, "bcm94710dev")) {
1276                         if (!strcmp(boardnum, "42"))
1277                                 return &platforms[WRT54GV1];
1278                         if (simple_strtoul(boardnum, NULL, 0) == 2)
1279                                 return &platforms[WAP54GV1];
1280                 }
1281                 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1282                 if (startswith(getvar("hardware_version"), "WL500-")) {
1283                         if (!strcmp(getvar("boardnum"), "mn700"))
1284                                 return &platforms[MN700];
1285                         else
1286                                 return &platforms[WL500G];
1287                 }
1288                 /* Sitecom WL-105b */
1289                 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1290                         return &platforms[WL105B];
1291
1292                 /* unknown asus stuff, probably bcm4702 */
1293                 if (startswith(boardnum, "asusX"))
1294                         return &platforms[ASUS_4702];
1295
1296                 /* bcm4702 based Askey RT210W clones, Including:
1297                  * Askey RT210W (duh?)
1298                  * Siemens SE505v1
1299                  * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1300                  */
1301                 if (!strcmp(boardtype,"bcm94710r4")
1302                  && !strcmp(boardnum ,"100")
1303                  && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1304                    ){
1305                         return &platforms[RT210W];
1306                 }
1307         }
1308
1309         if (boardnum || !strcmp(boardnum, "00")) {/* probably buffalo */
1310                 if (startswith(boardtype, "bcm94710ap"))
1311                         return &platforms[BUFFALO_UNKNOWN_4710];
1312         }
1313
1314         if (startswith(getvar("CFEver"), "MotoWRv2") ||
1315                 startswith(getvar("CFEver"), "MotoWRv3") ||
1316                 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1317
1318                 return &platforms[WR850GV2V3];
1319         }
1320
1321         if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) {  /* Trendware TEW-411BRP+ */
1322                 return &platforms[TEW411BRPP];
1323         }
1324
1325         if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
1326                 return &platforms[STI_NAS];
1327
1328         if (!strcmp(boardnum, "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1329                 return &platforms[DWL3150];
1330
1331         if (!strcmp(boardnum, "01") && !strcmp(boardtype, "0x048e") && /* Edimax PS1208MFG */
1332                 !strcmp(getvar("status_gpio"), "1")) /* gpio based detection */
1333                 return &platforms[PS1208MFG];
1334
1335         /* not found */
1336         return NULL;
1337 }
1338
1339 static struct platform_t __init *platform_detect(void)
1340 {
1341         enum bcm47xx_board board;
1342         const char *board_name;
1343
1344
1345         board = bcm47xx_board_get();
1346         board_name = bcm47xx_board_get_name();
1347         if (board != BCM47XX_BOARD_UNKNOWN && board != BCM47XX_BOARD_NO)
1348                 printk(MODULE_NAME ": kernel found a \"%s\"\n", board_name);
1349
1350         switch(board) {
1351         case BCM47XX_BOARD_ASUS_RTN12:
1352                 return &platforms[RTN12];
1353         case BCM47XX_BOARD_ASUS_RTN16:
1354                 return &platforms[RTN16];
1355         case BCM47XX_BOARD_ASUS_RTN66U:
1356                 return &platforms[RTN66U];
1357         case BCM47XX_BOARD_ASUS_WL300G:
1358                 return &platforms[WL300G];
1359         case BCM47XX_BOARD_ASUS_WL320GE:
1360                 return &platforms[WL320GE];
1361         case BCM47XX_BOARD_ASUS_WL330GE:
1362                 return &platforms[WL330GE];
1363         case BCM47XX_BOARD_ASUS_WL500GD:
1364                 return &platforms[WL500GD];
1365         case BCM47XX_BOARD_ASUS_WL500GPV1:
1366                 return &platforms[WL500GP];
1367         case BCM47XX_BOARD_ASUS_WL500GPV2:
1368                 return &platforms[WL500GPV2];
1369         case BCM47XX_BOARD_ASUS_WL500W:
1370                 return &platforms[WL500W];
1371         case BCM47XX_BOARD_ASUS_WL520GC:
1372                 return &platforms[WL520GC];
1373         case BCM47XX_BOARD_ASUS_WL520GU:
1374                 return &platforms[WL520GU];
1375         case BCM47XX_BOARD_ASUS_WL700GE:
1376                 return &platforms[WL700GE];
1377         case BCM47XX_BOARD_ASUS_WLHDD:
1378                 return &platforms[WLHDD];
1379         case BCM47XX_BOARD_BELKIN_F7D4301:
1380                 return &platforms[BELKIN_F7D4301];
1381         case BCM47XX_BOARD_BUFFALO_WBR2_G54:
1382                 return &platforms[WBR2_G54];
1383         case BCM47XX_BOARD_BUFFALO_WHR2_A54G54:
1384                 return &platforms[WHR2_A54G54];
1385         case BCM47XX_BOARD_BUFFALO_WHR_G125:
1386                 return &platforms[WHR_G125];
1387         case BCM47XX_BOARD_BUFFALO_WHR_G54S:
1388                 return &platforms[WHR_G54S];
1389         case BCM47XX_BOARD_BUFFALO_WHR_HP_G54:
1390                 return &platforms[WHR_HP_G54];
1391         case BCM47XX_BOARD_BUFFALO_WLA2_G54L:
1392                 return &platforms[WLA2_G54L];
1393         case BCM47XX_BOARD_BUFFALO_WZR_G300N:
1394                 return &platforms[WZR_G300N];
1395         case BCM47XX_BOARD_BUFFALO_WZR_RS_G54:
1396                 return &platforms[WZR_RS_G54];
1397         case BCM47XX_BOARD_BUFFALO_WZR_RS_G54HP:
1398                 return &platforms[WZR_RS_G54HP];
1399         case BCM47XX_BOARD_DELL_TM2300:
1400                 return &platforms[TM2300];
1401         case BCM47XX_BOARD_DLINK_DIR130:
1402                 return &platforms[DIR130];
1403         case BCM47XX_BOARD_DLINK_DIR330:
1404                 return &platforms[DIR330];
1405         case BCM47XX_BOARD_HUAWEI_E970:
1406                 return &platforms[HUAWEI_E970];
1407         case BCM47XX_BOARD_LINKSYS_E1000V1:
1408                 return &platforms[E1000V1];
1409         case BCM47XX_BOARD_LINKSYS_E1000V21:
1410                 return &platforms[E1000V21];
1411         case BCM47XX_BOARD_LINKSYS_E2000V1:
1412                 return &platforms[E2000V1];
1413         case BCM47XX_BOARD_LINKSYS_E3000V1:
1414                 return &platforms[E3000V1];
1415         case BCM47XX_BOARD_LINKSYS_E3200V1:
1416                 return &platforms[E3200V1];
1417         case BCM47XX_BOARD_LINKSYS_E4200V1:
1418                 return &platforms[E4200V1];
1419         case BCM47XX_BOARD_LINKSYS_WRT150NV1:
1420                 return &platforms[WRT150NV1];
1421         case BCM47XX_BOARD_LINKSYS_WRT150NV11:
1422                 return &platforms[WRT150NV11];
1423         case BCM47XX_BOARD_LINKSYS_WRT160NV1:
1424                 return &platforms[WRT160NV1];
1425         case BCM47XX_BOARD_LINKSYS_WRT160NV3:
1426                 return &platforms[WRT160NV3];
1427         case BCM47XX_BOARD_LINKSYS_WRT300NV11:
1428                 return &platforms[WRT300NV11];
1429         case BCM47XX_BOARD_LINKSYS_WRT310NV1:
1430                 return &platforms[WRT310NV1];
1431         case BCM47XX_BOARD_LINKSYS_WRT54GSV1:
1432                 return &platforms[WRT54G];
1433         case BCM47XX_BOARD_LINKSYS_WRT54G3GV2:
1434                 return &platforms[WRT54G3GV2_VF];
1435         case BCM47XX_BOARD_LINKSYS_WRT610NV1:
1436                 return &platforms[WRT610N];
1437         case BCM47XX_BOARD_LINKSYS_WRT610NV2:
1438                 return &platforms[WRT610NV2];
1439         case BCM47XX_BOARD_LINKSYS_WRTSL54GS:
1440                 return &platforms[WRTSL54GS];
1441         case BCM47XX_BOARD_MOTOROLA_WE800G:
1442                 return &platforms[WE800G];
1443         case BCM47XX_BOARD_MOTOROLA_WR850GP:
1444                 return &platforms[WR850GP];
1445         case BCM47XX_BOARD_MOTOROLA_WR850GV2V3:
1446                 return &platforms[WR850GV2V3];
1447         case BCM47XX_BOARD_NETGEAR_WNDR3400V1:
1448                 return &platforms[WNDR3400V1];
1449         case BCM47XX_BOARD_NETGEAR_WNDR3700V3:
1450                 return &platforms[WNDR3700V3];
1451         case BCM47XX_BOARD_UNKNOWN:
1452         case BCM47XX_BOARD_NO:
1453                 printk(MODULE_NAME ": unknown board found, try legacy detect\n");
1454                 printk(MODULE_NAME ": please open a ticket at https://dev.openwrt.org and attach the complete nvram\n");
1455                 return platform_detect_legacy();
1456         default:
1457                 printk(MODULE_NAME ": board was detected as \"%s\", but not gpio configuration available\n", board_name);
1458                 printk(MODULE_NAME ": now trying legacy detect\n");
1459                 return platform_detect_legacy();
1460         }
1461 }
1462
1463 static inline void ssb_maskset32(struct ssb_device *dev,
1464                                   u16 offset, u32 mask, u32 set)
1465 {
1466         ssb_write32(dev, offset, (ssb_read32(dev, offset) & mask) | set);
1467 }
1468
1469 static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
1470 {
1471         int irq;
1472         int err;
1473
1474         irq = gpio_to_irq(0);
1475         if (irq < 0) {
1476                 pr_err("no irq for gpio available\n");
1477                 return;
1478         }
1479
1480         if (enabled) {
1481                 err = request_irq(irq, handler, IRQF_SHARED, "gpio", handler);
1482                 if (err) {
1483                         pr_err("can not reqeust irq\n");
1484                         return;
1485                 }
1486         } else {
1487                 free_irq(irq, handler);
1488         }
1489
1490         switch (bcm47xx_bus_type) {
1491 #ifdef CONFIG_BCM47XX_SSB
1492         case BCM47XX_BUS_TYPE_SSB:
1493                 if (bcm47xx_bus.ssb.chipco.dev)
1494                         ssb_maskset32(bcm47xx_bus.ssb.chipco.dev, SSB_CHIPCO_IRQMASK, ~SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
1495                 break;
1496 #endif
1497 #ifdef CONFIG_BCM47XX_BCMA
1498         case BCM47XX_BUS_TYPE_BCMA:
1499                 if (bcm47xx_bus.bcma.bus.drv_cc.core)
1500                         bcma_maskset32(bcm47xx_bus.bcma.bus.drv_cc.core, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO, (enabled ? BCMA_CC_IRQ_GPIO : 0));
1501                 break;
1502 #endif
1503         }
1504 }
1505
1506 static void hotplug_button(struct work_struct *work)
1507 {
1508         struct event_t *event = container_of(work, struct event_t, wq);
1509         char *s;
1510
1511         event->skb = alloc_skb(2048, GFP_KERNEL);
1512
1513         s = skb_put(event->skb, strlen(event->action) + 2);
1514         sprintf(s, "%s@", event->action);
1515         fill_event(event);
1516
1517         NETLINK_CB(event->skb).dst_group = 1;
1518         broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
1519
1520         kfree(event);
1521 }
1522
1523 static irqreturn_t button_handler(int irq, void *dev_id)
1524 {
1525         struct button_t *b;
1526         u32 in, changed;
1527
1528         in = bcm47xx_gpio_in(~0) & platform.button_mask;
1529         bcm47xx_gpio_polarity(platform.button_mask, in);
1530         changed = platform.button_polarity ^ in;
1531         platform.button_polarity = in;
1532
1533         changed &= ~bcm47xx_gpio_outen(0, 0);
1534
1535         for (b = platform.buttons; b->name; b++) {
1536                 struct event_t *event;
1537
1538                 if (!(b->gpio & changed)) continue;
1539
1540                 b->pressed ^= 1;
1541
1542                 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1543                         event->seen = (jiffies - b->seen)/HZ;
1544                         event->name = b->name;
1545                         event->action = b->pressed ? "pressed" : "released";
1546                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1547                         schedule_work(&event->wq);
1548                 }
1549
1550                 b->seen = jiffies;
1551         }
1552         return IRQ_HANDLED;
1553 }
1554
1555 static void register_buttons(struct button_t *b)
1556 {
1557         for (; b->name; b++)
1558                 platform.button_mask |= b->gpio;
1559
1560         platform.button_mask &= ~gpiomask;
1561
1562         bcm47xx_gpio_outen(platform.button_mask, 0);
1563         bcm47xx_gpio_control(platform.button_mask, 0);
1564         platform.button_polarity = bcm47xx_gpio_in(~0) & platform.button_mask;
1565         bcm47xx_gpio_polarity(platform.button_mask, platform.button_polarity);
1566         bcm47xx_gpio_intmask(platform.button_mask, platform.button_mask);
1567
1568         gpio_set_irqenable(1, button_handler);
1569 }
1570
1571 static void unregister_buttons(struct button_t *b)
1572 {
1573         bcm47xx_gpio_intmask(platform.button_mask, 0);
1574
1575         gpio_set_irqenable(0, button_handler);
1576 }
1577
1578
1579 static void add_msg(struct event_t *event, char *msg, int argv)
1580 {
1581         char *s;
1582
1583         if (argv)
1584                 return;
1585
1586         s = skb_put(event->skb, strlen(msg) + 1);
1587         strcpy(s, msg);
1588 }
1589
1590 static int fill_event (struct event_t *event)
1591 {
1592         static char buf[128];
1593
1594         add_msg(event, "HOME=/", 0);
1595         add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1596         add_msg(event, "SUBSYSTEM=button", 0);
1597         snprintf(buf, 128, "ACTION=%s", event->action);
1598         add_msg(event, buf, 0);
1599         snprintf(buf, 128, "BUTTON=%s", event->name);
1600         add_msg(event, buf, 0);
1601         snprintf(buf, 128, "SEEN=%ld", event->seen);
1602         add_msg(event, buf, 0);
1603         snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1604         add_msg(event, buf, 0);
1605
1606         return 0;
1607 }
1608
1609 /*
1610  * This should be extended to allow the platform to specify the pins and width
1611  * of the shift register. They're hardcoded for now because only the WNDR3700v3
1612  * uses it.
1613  */
1614 static void shiftreg_output(unsigned int val)
1615 {
1616         unsigned int mask;
1617
1618         bcm47xx_gpio_out(SHIFTREG_DATA, SHIFTREG_DATA); /* init off, pull high */
1619         bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* init reset */
1620
1621         /* shift 8 times */
1622         for(mask = 1 << (SHIFTREG_MAX_BITS-1); mask; mask >>= 1)
1623         {
1624                 bcm47xx_gpio_out(SHIFTREG_DATA, (val & mask) ? SHIFTREG_DATA : 0);
1625                 bcm47xx_gpio_out(SHIFTREG_CLK, SHIFTREG_CLK); /* pull high to trigger */
1626                 bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* reset to low */
1627         }
1628 }
1629
1630 static void set_led_shift(struct led_t *led)
1631 {
1632         static u32      shiftreg = 0;
1633         u32                     old = shiftreg;
1634         u32                     pin = (led->gpio & ~GPIO_TYPE_MASK);
1635
1636         if (led->state) {
1637                 shiftreg |= pin;
1638         } else {
1639                 shiftreg &= ~pin;
1640         }
1641
1642         /* Clock the bits out. */
1643         if (shiftreg != old) {
1644                 shiftreg_output(shiftreg);
1645         }
1646 }
1647
1648 static void set_led_extif(struct led_t *led)
1649 {
1650         volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (led->gpio & ~GPIO_TYPE_MASK);
1651         if (led->state)
1652                 *addr = 0xFF;
1653         else
1654                 *addr;
1655 }
1656
1657
1658 static void led_flash(unsigned long dummy) {
1659         struct led_t *l;
1660         u32 mask = 0;
1661         u8 extif_blink = 0;
1662
1663         for (l = platform.leds; l->name; l++) {
1664                 if (!l->flash) continue;
1665                 switch (l->gpio & GPIO_TYPE_MASK) {
1666                 case GPIO_TYPE_EXTIF:
1667                         extif_blink = 1;
1668                         l->state = !l->state;
1669                         set_led_extif(l);
1670                         break;
1671                 case GPIO_TYPE_SHIFT:
1672                         extif_blink = 1;
1673                         l->state = !l->state;
1674                         set_led_shift(l);
1675                         break;
1676                 case GPIO_TYPE_NORMAL:
1677                 default:
1678                         mask |= l->gpio;
1679                         break;
1680                 }
1681         }
1682
1683         mask &= ~gpiomask;
1684         if (mask) {
1685                 u32 val = ~bcm47xx_gpio_in(~0);
1686
1687                 bcm47xx_gpio_outen(mask, mask);
1688                 bcm47xx_gpio_control(mask, 0);
1689                 bcm47xx_gpio_out(mask, val);
1690         }
1691         if (mask || extif_blink) {
1692                 mod_timer(&led_timer, jiffies + FLASH_TIME);
1693         }
1694 }
1695
1696 static int diag_led_show(struct seq_file *m, void *v)
1697 {
1698         struct led_t * led = m->private;
1699
1700         u8 p = (led->polarity == NORMAL ? 0 : 1);
1701         if (led->flash) {
1702                 return seq_printf(m, "f\n");
1703         } else if ((led->gpio & GPIO_TYPE_MASK) != GPIO_TYPE_NORMAL) {
1704                 return seq_printf(m, "%d\n", ((led->state ^ p) ? 1 : 0));
1705         } else {
1706                 u32 in = (bcm47xx_gpio_in(~0) & led->gpio ? 1 : 0);
1707                 return seq_printf(m, "%d\n", ((in ^ p) ? 1 : 0));
1708         }
1709 }
1710
1711 static int diag_led_open(struct inode *inode, struct file *file)
1712 {
1713         return single_open(file, diag_led_show, PDE_DATA(inode));
1714 }
1715
1716 static ssize_t diag_led_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1717 {
1718         struct led_t *led = PDE_DATA(file_inode(file));
1719         char cmd[5];
1720         size_t len;
1721         int p;
1722
1723         len = min(count, sizeof(cmd) - 1);
1724         if (copy_from_user(cmd, buf, len))
1725                 return -EFAULT;
1726
1727         cmd[len] = 0;
1728
1729         p = (led->polarity == NORMAL ? 0 : 1);
1730         if (cmd[0] == 'f') {
1731                 led->flash = 1;
1732                 led_flash(0);
1733         } else {
1734                 led->flash = 0;
1735                 if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_EXTIF) {
1736                         led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1737                         set_led_extif(led);
1738                 } else if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_SHIFT) {
1739                         led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1740                         set_led_shift(led);
1741                 } else {
1742                         bcm47xx_gpio_outen(led->gpio, led->gpio);
1743                         bcm47xx_gpio_control(led->gpio, 0);
1744                         bcm47xx_gpio_out(led->gpio, ((p ^ (cmd[0] == '1')) ? led->gpio : 0));
1745                 }
1746         }
1747         return count;
1748 }
1749
1750 static const struct file_operations diag_led_fops = {
1751         .open = diag_led_open,
1752         .read = seq_read,
1753         .llseek = seq_lseek,
1754         .write = diag_led_write
1755 };
1756
1757 static void register_leds(struct led_t *l)
1758 {
1759         struct proc_dir_entry *p;
1760         u32 mask = 0;
1761         u32 oe_mask = 0;
1762         u32 val = 0;
1763
1764         leds = proc_mkdir("led", diag);
1765         if (!leds)
1766                 return;
1767
1768         for(; l->name; l++) {
1769                 if (l->gpio & gpiomask)
1770                         continue;
1771
1772                 switch (l->gpio & GPIO_TYPE_MASK) {
1773                 case GPIO_TYPE_EXTIF:
1774                         l->state = 0;
1775                         set_led_extif(l);
1776                         break;
1777                 case GPIO_TYPE_SHIFT:
1778                         mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1779                         oe_mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1780                         l->state = (l->polarity != NORMAL);
1781                         set_led_shift(l);
1782                         break;
1783                 case GPIO_TYPE_NORMAL:
1784                 default:
1785                         if (l->polarity != INPUT) oe_mask |= l->gpio;
1786                         mask |= l->gpio;
1787                         val |= (l->polarity == NORMAL)?0:l->gpio;
1788                         break;
1789                 }
1790
1791                 if (l->polarity == INPUT) continue;
1792
1793                 p = proc_create_data(l->name, S_IRUSR, leds, &diag_led_fops, l);
1794         }
1795
1796         bcm47xx_gpio_outen(mask, oe_mask);
1797         bcm47xx_gpio_control(mask, 0);
1798         bcm47xx_gpio_out(mask, val);
1799         bcm47xx_gpio_intmask(mask, 0);
1800 }
1801
1802 static void unregister_leds(struct led_t *l)
1803 {
1804         for(; l->name; l++)
1805                 remove_proc_entry(l->name, leds);
1806
1807         remove_proc_entry("led", diag);
1808 }
1809
1810 static int diag_model_show(struct seq_file *m, void *v)
1811 {
1812         return seq_printf(m, "%s\n", platform.name);
1813 }
1814
1815 static int diag_model_open(struct inode *inode, struct file *file)
1816 {
1817         return single_open(file, diag_model_show, PDE_DATA(inode));
1818 }
1819
1820 static const struct file_operations diag_model_fops = {
1821         .open = diag_model_open,
1822         .read = seq_read,
1823         .llseek = seq_lseek
1824 };
1825
1826 static int diag_gpiomask_show(struct seq_file *m, void *v)
1827 {
1828         return seq_printf(m, "0x%04x\n", gpiomask);
1829 }
1830
1831 static int diag_gpiomask_open(struct inode *inode, struct file *file)
1832 {
1833         return single_open(file, diag_gpiomask_show, PDE_DATA(inode));
1834 }
1835
1836 static ssize_t diag_gpiomask_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1837 {
1838         int err = kstrtouint_from_user(buf, count, 0, &gpiomask);
1839         if (err)
1840                 return err;
1841
1842         if (platform.buttons) {
1843                 unregister_buttons(platform.buttons);
1844                 register_buttons(platform.buttons);
1845         }
1846
1847         if (platform.leds) {
1848                 unregister_leds(platform.leds);
1849                 register_leds(platform.leds);
1850         }
1851
1852         return count;
1853 }
1854
1855 static const struct file_operations diag_gpiomask_fops = {
1856         .open = diag_gpiomask_open,
1857         .read = seq_read,
1858         .llseek = seq_lseek,
1859         .write = diag_gpiomask_write
1860 };
1861
1862 static int __init diag_init(void)
1863 {
1864         static struct proc_dir_entry *p;
1865         static struct platform_t *detected;
1866
1867         detected = platform_detect();
1868         if (!detected) {
1869                 printk(MODULE_NAME ": Router model not detected.\n");
1870                 return -ENODEV;
1871         }
1872         memcpy(&platform, detected, sizeof(struct platform_t));
1873
1874         printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1875         if (platform.platform_init != NULL) {
1876                 platform.platform_init();
1877         }
1878
1879         if (!(diag = proc_mkdir("diag", NULL))) {
1880                 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1881                 return -EINVAL;
1882         }
1883
1884         p = proc_create("model", S_IRUSR, diag, &diag_model_fops);
1885         if (!p) {
1886                 remove_proc_entry("diag", NULL);
1887                 return -EINVAL;
1888         }
1889
1890         p = proc_create("gpiomask", S_IRUSR | S_IWUSR, diag, &diag_gpiomask_fops);
1891         if (!p) {
1892                 remove_proc_entry("model", diag);
1893                 remove_proc_entry("diag", NULL);
1894                 return -EINVAL;
1895         }
1896
1897         if (platform.buttons)
1898                 register_buttons(platform.buttons);
1899
1900         if (platform.leds)
1901                 register_leds(platform.leds);
1902
1903         return 0;
1904 }
1905
1906 static void __exit diag_exit(void)
1907 {
1908         del_timer(&led_timer);
1909
1910         if (platform.buttons)
1911                 unregister_buttons(platform.buttons);
1912
1913         if (platform.leds)
1914                 unregister_leds(platform.leds);
1915
1916         remove_proc_entry("model", diag);
1917         remove_proc_entry("gpiomask", diag);
1918         remove_proc_entry("diag", NULL);
1919 }
1920
1921 module_init(diag_init);
1922 module_exit(diag_exit);
1923
1924 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1925 MODULE_LICENSE("GPL");