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         WRT350N,
  87         WRT600N,
  88         WRT600NV11,
  89         WRT610N,
  90         WRT610NV2,
  91         E1000V1,
  92         E3000V1,
  93         E3200V1,
  94         E4200V1,
  95
  96         /* ASUS */
  97         WLHDD,
  98         WL300G,
  99         WL320GE,
 100         WL330GE,
 101         WL500G,
 102         WL500GD,
 103         WL500GP,
 104         WL500GPV2,
 105         WL500W,
 106         WL520GC,
 107         WL520GU,
 108         ASUS_4702,
 109         WL700GE,
 110         RTN12,
 111         RTN16,
 112         RTN66U,
 113
 114         /* Buffalo */
 115         WBR2_G54,
 116         WHR_G54S,
 117         WHR_HP_G54,
 118         WHR_G125,
 119         WHR2_A54G54,
 120         WLA2_G54L,
 121         WZR_G300N,
 122         WZR_RS_G54,
 123         WZR_RS_G54HP,
 124         BUFFALO_UNKNOWN_4710,
 125
 126         /* Siemens */
 127         SE505V1,
 128         SE505V2,
 129
 130         /* US Robotics */
 131         USR5461,
 132
 133         /* Dell */
 134         TM2300,
 135         TM2300V2,
 136
 137         /* Motorola */
 138         WE800G,
 139         WR850GV1,
 140         WR850GV2V3,
 141         WR850GP,
 142
 143         /* Belkin */
 144         BELKIN_UNKNOWN,
 145         BELKIN_F7D4301,
 146
 147         /* Netgear */
 148         WGT634U,
 149         WNR834BV1,
 150         WNR834BV2,
 151         WNDR3400V1,
 152         WNDR3700V3,
 153
 154         /* Trendware */
 155         TEW411BRPP,
 156
 157         /* SimpleTech */
 158         STI_NAS,
 159
 160         /* D-Link */
 161         DIR130,
 162         DIR320,
 163         DIR330,
 164         DWL3150,
 165
 166         /* Sitecom */
 167         WL105B,
 168
 169         /* Western Digital */
 170         WDNetCenter,
 171
 172         /* Askey */
 173         RT210W,
 174
 175         /* OvisLink */
 176         WL1600GL,
 177
 178         /* Microsoft */
 179         MN700,
 180
 181         /* Edimax */
 182         PS1208MFG,
 183 };
 184
 185 static void __init bcm4780_init(void) {
 186                 int pin = 1 << 3;
 187
 188                 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
 189                 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
 190                 bcm47xx_gpio_outen(pin, pin);
 191                 bcm47xx_gpio_control(pin, 0);
 192                 bcm47xx_gpio_out(pin, pin);
 193
 194                 /* Wait 5s, so the HDD can spin up */
 195                 set_current_state(TASK_INTERRUPTIBLE);
 196                 schedule_timeout(HZ * 5);
 197 }
 198
 199 static void __init NetCenter_init(void) {
 200                 /* unset pin 6 (+12V) */
 201                 int pin = 1 << 6;
 202                 bcm47xx_gpio_outen(pin, pin);
 203                 bcm47xx_gpio_control(pin, 0);
 204                 bcm47xx_gpio_out(pin, pin);
 205                 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
 206                 pin = 1 << 1;
 207                 bcm47xx_gpio_outen(pin, pin);
 208                 bcm47xx_gpio_control(pin, 0);
 209                 bcm47xx_gpio_out(pin, pin);
 210                 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
 211                 bcm4780_init();
 212 }
 213
 214 static void __init bcm57xx_init(void) {
 215         int pin = 1 << 2;
 216
 217         /* FIXME: switch comes up, but port mappings/vlans not right */
 218         bcm47xx_gpio_outen(pin, pin);
 219         bcm47xx_gpio_control(pin, 0);
 220         bcm47xx_gpio_out(pin, pin);
 221 }
 222
 223 static struct platform_t __initdata platforms[] = {
 224         /* Linksys */
 225         [WAP54GV1] = {
 226                 .name           = "Linksys WAP54G V1",
 227                 .buttons        = {
 228                         { .name = "reset",      .gpio = 1 << 0 },
 229                 },
 230                 .leds           = {
 231                         { .name = "diag",       .gpio = 1 << 3 },
 232                         { .name = "wlan",       .gpio = 1 << 4 },
 233                 },
 234         },
 235         [WAP54GV2] = {
 236                 .name           = "Linksys WAP54G V2",
 237                 .buttons        = {
 238                         { .name = "reset",      .gpio = 1 << 0 },
 239                 },
 240                 .leds           = {
 241                         { .name = "wlan",       .gpio = 1 << 5, .polarity = REVERSE },
 242                         /* GPIO 6 is b44 (eth0, LAN) PHY power */
 243                 },
 244         },
 245         [WAP54GV3] = {
 246                 .name           = "Linksys WAP54G V3",
 247                 .buttons        = {
 248                         /* FIXME: verify this */
 249                         { .name = "reset",      .gpio = 1 << 7 },
 250                         { .name = "ses",        .gpio = 1 << 0 },
 251                 },
 252                 .leds           = {
 253                         /* FIXME: diag? */
 254                         { .name = "ses",        .gpio = 1 << 1 },
 255                 },
 256         },
 257         [WRT54GV1] = {
 258                 .name           = "Linksys WRT54G V1.x",
 259                 .buttons        = {
 260                         { .name = "reset",      .gpio = 1 << 6 },
 261                 },
 262                 .leds           = {
 263                         { .name = "diag",       .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 264                         { .name = "dmz",        .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 265                 },
 266         },
 267         [WRT54G] = {
 268                 .name           = "Linksys WRT54G/GS/GL",
 269                 .buttons        = {
 270                         { .name = "reset",      .gpio = 1 << 6 },
 271                         { .name = "ses",        .gpio = 1 << 4 },
 272                 },
 273                 .leds           = {
 274                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 275                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 276                         { .name = "ses_white",  .gpio = 1 << 2, .polarity = REVERSE },
 277                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 278                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 279                 },
 280         },
 281         [WRTSL54GS] = {
 282                 .name           = "Linksys WRTSL54GS",
 283                 .buttons        = {
 284                         { .name = "reset",      .gpio = 1 << 6 },
 285                         { .name = "ses",        .gpio = 1 << 4 },
 286                 },
 287                 .leds           = {
 288                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 289                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },
 290                         { .name = "ses_white",  .gpio = 1 << 5, .polarity = REVERSE },
 291                         { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
 292                 },
 293         },
 294         [WRT54G3G] = {
 295                 .name           = "Linksys WRT54G3G",
 296                 .buttons        = {
 297                         { .name = "reset",      .gpio = 1 << 6 },
 298                         { .name = "3g",         .gpio = 1 << 4 },
 299                 },
 300                 .leds           = {
 301                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 302                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 303                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 304                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 305                         { .name = "3g_blink",   .gpio = 1 << 5, .polarity = NORMAL },
 306                 },
 307         },
 308         [WRT54G3GV2_VF] = {
 309                 .name           = "Linksys WRT54G3GV2-VF",
 310                 .buttons        = {
 311                         { .name = "reset",      .gpio = 1 << 6 },
 312                         { .name = "3g",         .gpio = 1 << 5 },
 313                 },
 314                 .leds           = {
 315                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 316                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 317                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 318                 },
 319         },
 320         [WRT150NV1] = {
 321                 .name           = "Linksys WRT150N V1",
 322                 .buttons        = {
 323                         { .name = "reset",      .gpio = 1 << 6 },
 324                         { .name = "ses",        .gpio = 1 << 4 },
 325                 },
 326                 .leds           = {
 327                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 328                         { .name = "ses_green",  .gpio = 1 << 5, .polarity = REVERSE },
 329                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
 330                 },
 331         },
 332         [WRT150NV11] = {
 333                 .name           = "Linksys WRT150N V1.1",
 334                 .buttons        = {
 335                         { .name = "reset",      .gpio = 1 << 6 },
 336                         { .name = "ses",        .gpio = 1 << 4 },
 337                 },
 338                 .leds           = {
 339                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 340                         { .name = "ses_green",  .gpio = 1 << 5, .polarity = REVERSE },
 341                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
 342                 },
 343         },
 344         [WRT160NV1] = {
 345                 .name           = "Linksys WRT160N v1.x",
 346                 .buttons        = {
 347                         { .name = "reset",      .gpio = 1 << 6 },
 348                         { .name = "ses",        .gpio = 1 << 4 },
 349                 },
 350                 .leds           = {
 351                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 352                         { .name = "ses_blue",   .gpio = 1 << 5, .polarity = REVERSE },
 353                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 354                 },
 355         },
 356         [WRT160NV3] = {
 357                 .name           = "Linksys WRT160N V3",
 358                 .buttons        = {
 359                         { .name = "reset",      .gpio = 1 << 6 },
 360                         { .name = "ses",        .gpio = 1 << 5 },
 361                 },
 362                 .leds           = {
 363                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 364                         { .name = "ses_blue",   .gpio = 1 << 4, .polarity = REVERSE },
 365                         { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE },
 366                 },
 367         },
 368         [WRT300NV11] = {
 369                 .name           = "Linksys WRT300N V1.1",
 370                 .buttons        = {
 371                         { .name = "reset",     .gpio = 1 << 6 }, // "Reset" on back panel
 372                         { .name = "ses",       .gpio = 1 << 4 }, // "Reserved" on top panel
 373                 },
 374                 .leds           = {
 375                         { .name = "power",     .gpio = 1 << 1, .polarity = NORMAL  }, // "Power"
 376                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
 377                         { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
 378                 },
 379                 .platform_init = bcm57xx_init,
 380         },
 381         [WRT350N] = {
 382                 .name           = "Linksys WRT350N",
 383                 .buttons        = {
 384                         { .name = "reset",      .gpio = 1 << 6 },
 385                         { .name = "ses",        .gpio = 1 << 8 },
 386                 },
 387                 .leds           = {
 388                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 389                         { .name = "ses_amber",  .gpio = 1 << 3, .polarity = REVERSE },
 390                         { .name = "ses_green",  .gpio = 1 << 9, .polarity = REVERSE },
 391                         { .name = "usb_blink",  .gpio = 1 << 10, .polarity = REVERSE },
 392                         { .name = "usb",        .gpio = 1 << 11, .polarity = REVERSE },
 393                 },
 394                 .platform_init = bcm57xx_init,
 395         },
 396         [WRT600N] = {
 397                 .name           = "Linksys WRT600N",
 398                 .buttons        = {
 399                         { .name = "reset",      .gpio = 1 << 6 },
 400                         { .name = "ses",        .gpio = 1 << 7 },
 401                 },
 402                 .leds           = {
 403                         { .name = "power",              .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 404                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 405                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 406                         { .name = "wl0_ses_green",      .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 407                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 408                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 409                 },
 410                 .platform_init = bcm57xx_init,
 411         },
 412         [WRT600NV11] = {
 413                 .name           = "Linksys WRT600N V1.1",
 414                 .buttons        = {
 415                         { .name = "reset",      .gpio = 1 << 6 },
 416                         { .name = "ses",        .gpio = 1 << 7 },
 417                 },
 418                 .leds           = {
 419                         { .name = "power",             .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 420                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 421                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 422                         { .name = "wl0_ses_green",     .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 423                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 424                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 425                 },
 426                 .platform_init = bcm57xx_init,
 427         },
 428         [WRT610N] = {
 429                 .name           = "Linksys WRT610N",
 430                 .buttons        = {
 431                         { .name = "reset",      .gpio = 1 << 6 },
 432                         { .name = "ses",        .gpio = 1 << 8 },
 433                 },
 434                 .leds           = {
 435                         { .name = "power",      .gpio = 1 << 1,  .polarity = NORMAL }, // Power LED
 436                         { .name = "usb",        .gpio = 1 << 0,  .polarity = REVERSE }, // USB LED
 437                         { .name = "ses_amber",  .gpio = 1 << 3,  .polarity = REVERSE }, // WiFi protected setup LED amber
 438                         { .name = "ses_blue",   .gpio = 1 << 9,  .polarity = REVERSE }, // WiFi protected setup LED blue
 439                 },
 440         },
 441         [WRT610NV2] = {
 442                 .name           = "Linksys WRT610N V2",
 443                 .buttons        = {
 444                         { .name = "reset",      .gpio = 1 << 6 },
 445                         { .name = "ses",        .gpio = 1 << 4 },
 446                 },
 447                 .leds           = {
 448                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },   // Power LED
 449                         { .name = "usb",        .gpio = 1 << 7, .polarity = NORMAL },   // USB LED
 450                         { .name = "ses_amber",  .gpio = 1 << 0, .polarity = REVERSE },  // WiFi protected setup LED amber
 451                         { .name = "ses_blue",   .gpio = 1 << 3, .polarity = REVERSE },  // WiFi protected setup LED blue
 452                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },   // Wireless LED
 453                 },
 454         },
 455         /* same hardware as WRT160NV3 and Cisco Valet M10V1, but different board detection, combine? */
 456         [E1000V1] = {
 457                 .name           = "Linksys E1000 V1",
 458                 .buttons        = {
 459                         { .name = "reset",      .gpio = 1 << 6 },
 460                         { .name = "wps",        .gpio = 1 << 5 }, /* nvram get gpio5=wps_button */
 461                 },
 462                 .leds           = {
 463                         /** turns on leds for all ethernet ports (wan too)
 464                          *  this also disconnects some, or maybe all, ethernet ports
 465                          *  1: leds work normally
 466                          *  0: all lit all the time */
 467                         /* nvram get gpio3=robo_reset */
 468                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
 469                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 470                         { .name = "ses_blue",   .gpio = 1 << 4, .polarity = REVERSE }, /* nvram get gpio4=wps_led */
 471                         { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE }, /* nvram get gpio2=wps_status_led */
 472                 },
 473         },
 474         [E3000V1] = {
 475                 .name           = "Linksys E3000 V1",
 476                 .buttons        = {
 477                         { .name = "reset",      .gpio = 1 << 6 },
 478                         { .name = "ses",        .gpio = 1 << 4 },
 479                 },
 480                 .leds           = {
 481                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },   // Power LED
 482                         { .name = "usb",        .gpio = 1 << 7, .polarity = NORMAL },   // USB LED
 483                         { .name = "ses_amber",  .gpio = 1 << 0, .polarity = REVERSE },  // WiFi protected setup LED amber
 484                         { .name = "ses_blue",   .gpio = 1 << 3, .polarity = REVERSE },  // WiFi protected setup LED blue
 485                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },   // Wireless LED
 486                 },
 487         },
 488         [E3200V1] = {
 489                 .name           = "Linksys E3200 V1",
 490                 .buttons        = {
 491                         /* { .name = "switch",  .gpio = 1 << 4 },*/     /* nvram get gpio4=robo_reset */
 492                         { .name = "reset",      .gpio = 1 << 5 },       /* nvram get reset_gpio=5 */
 493                         { .name = "wps",        .gpio = 1 << 8 },       /* nvram get gpio8=wps_button */
 494                         /* { .name = "wombo",   .gpio = 1 << 23 },*/    /* nvram get gpio23=wombo_reset - wireless on motherboard */
 495                 },
 496                 .leds   = {
 497                         { .name = "power",      .gpio = 1 << 3, .polarity = REVERSE },  /* Power LED */
 498                 },
 499         },
 500         [E4200V1] = {
 501                 .name           = "Linksys E4200 V1",
 502                 .buttons        = {
 503                         { .name = "reset",      .gpio = 1 << 6 },
 504                         { .name = "wps",        .gpio = 1 << 4 },
 505                 },
 506                 .leds   = {
 507                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 508                 },
 509         },
 510         /* Asus */
 511         [WLHDD] = {
 512                 .name           = "ASUS WL-HDD",
 513                 .buttons        = {
 514                         { .name = "reset",      .gpio = 1 << 6 },
 515                 },
 516                 .leds           = {
 517                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 518                         { .name = "usb",        .gpio = 1 << 2, .polarity = REVERSE },
 519                 },
 520         },
 521         [WL300G] = {
 522                 .name           = "ASUS WL-300g",
 523                 .buttons        = {
 524                         { .name = "reset",      .gpio = 1 << 6 },
 525                 },
 526                 .leds           = {
 527                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 528                 },
 529         },
 530         [WL320GE] = {
 531                 .name           = "ASUS WL-320gE/WL-320gP",
 532                 .buttons        = {
 533                         { .name = "reset",      .gpio = 1 << 6 },
 534                 },
 535                 .leds           = {
 536                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 537                         { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
 538                         { .name = "link",       .gpio = 1 << 11, .polarity = REVERSE },
 539                 },
 540         },
 541         [WL330GE] = {
 542                 .name           = "ASUS WL-330gE",
 543                 .buttons        = {
 544                         { .name = "reset",      .gpio = 1 << 2 },
 545                 },
 546                 .leds           = {
 547                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 548                 },
 549         },
 550         [WL500G] = {
 551                 .name           = "ASUS WL-500g",
 552                 .buttons        = {
 553                         { .name = "reset",      .gpio = 1 << 6 },
 554                 },
 555                 .leds           = {
 556                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 557                 },
 558         },
 559         [WL500GD] = {
 560                 .name           = "ASUS WL-500g Deluxe",
 561                 .buttons        = {
 562                         { .name = "reset",      .gpio = 1 << 6 },
 563                 },
 564                 .leds           = {
 565                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 566                 },
 567         },
 568         [WL500GP] = {
 569                 .name           = "ASUS WL-500g Premium",
 570                 .buttons        = {
 571                         { .name = "reset",      .gpio = 1 << 0 },
 572                         { .name = "ses",        .gpio = 1 << 4 },
 573                 },
 574                 .leds           = {
 575                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 576                 },
 577         },
 578         [WL500GPV2] = {
 579                 .name           = "ASUS WL-500g Premium V2",
 580                 .buttons        = {
 581                         { .name = "reset",      .gpio = 1 << 2 },
 582                         { .name = "ses",        .gpio = 1 << 3 },
 583                 },
 584                 .leds           = {
 585                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 586                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 587                 },
 588         },
 589         [WL500W] = {
 590                 .name           = "ASUS WL-500W",
 591                 .buttons        = {
 592                         { .name = "reset",      .gpio = 1 << 6 },
 593                         { .name = "ses",        .gpio = 1 << 7 },
 594                 },
 595                 .leds           = {
 596                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 597                 },
 598         },
 599         [WL520GC] = {
 600                 .name           = "ASUS WL-520GC",
 601                 .buttons        = {
 602                         { .name = "reset",      .gpio = 1 << 2 },
 603                         { .name = "ses",        .gpio = 1 << 3 },
 604                 },
 605                 .leds           = {
 606                 { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 607                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 608                 },
 609         },
 610         [WL520GU] = {
 611                 .name           = "ASUS WL-520gU",
 612                 .buttons        = {
 613                         { .name = "reset",      .gpio = 1 << 2 },
 614                         { .name = "ses",        .gpio = 1 << 3 },
 615                 },
 616                 .leds           = {
 617                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 618                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 619                 },
 620         },
 621         [ASUS_4702] = {
 622                 .name           = "ASUS (unknown, BCM4702)",
 623                 .buttons        = {
 624                         { .name = "reset",      .gpio = 1 << 6 },
 625                 },
 626                 .leds           = {
 627                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 628                 },
 629         },
 630         [WL700GE] = {
 631                 .name           = "ASUS WL-700gE",
 632                 .buttons        = {
 633                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 634                         { .name = "ses",        .gpio = 1 << 4 }, // on back, actual name ezsetup
 635                         { .name = "power",      .gpio = 1 << 0 }, // on front
 636                         { .name = "copy",       .gpio = 1 << 6 }, // on front
 637                 },
 638                 .leds           = {
 639 #if 0
 640                         // GPIO that controls power led also enables/disables some essential functions
 641                         // - power to HDD
 642                         // - switch leds
 643                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },  // actual name power
 644 #endif
 645                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 646                 },
 647                 .platform_init = bcm4780_init,
 648         },
 649         [RTN12] = {
 650                 .name           = "ASUS RT-N12",
 651                 .buttons        = {
 652                         { .name = "wps",        .gpio = 1 << 0 },
 653                         { .name = "reset",      .gpio = 1 << 1 },
 654                         // this is the router/repeater/ap switch
 655                         { .name = "sw1",        .gpio = 1 << 4 },
 656                         { .name = "sw2",        .gpio = 1 << 5 },
 657                         { .name = "sw3",        .gpio = 1 << 6 },
 658                 },
 659                 .leds           = {
 660                         { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
 661                         { .name = "wlan",       .gpio = 1 << 7, .polarity = NORMAL },
 662                         // gpio3 forces WAN and LAN1-4 all on
 663                         //{ .name = "eth",      .gpio = 1 << 3, .polarity = REVERSE },
 664                 },
 665         },
 666         [RTN16] = {
 667                 .name           = "ASUS RT-N16",
 668                 .buttons        = {
 669                         { .name = "reset",      .gpio = 1 << 8 },
 670                         { .name = "ses",        .gpio = 1 << 5 },
 671                 },
 672                 .leds           = {
 673                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 674                         { .name = "wlan",       .gpio = 1 << 7, .polarity = NORMAL },
 675                 },
 676         },
 677         [RTN66U] = {
 678                 .name           = "ASUS RT-N66U",
 679                 .buttons        = {
 680                         { .name = "reset",      .gpio = 1 << 9 },
 681                         { .name = "wps",        .gpio = 1 << 4 },
 682                 },
 683                 .leds           = {
 684                         { .name = "power",      .gpio = 1 << 12, .polarity = REVERSE },
 685                         { .name = "usb",        .gpio = 1 << 15, .polarity = REVERSE },
 686                 },
 687         },
 688         /* Buffalo */
 689         [WHR_G54S] = {
 690                 .name           = "Buffalo WHR-G54S",
 691                 .buttons        = {
 692                         { .name = "reset",      .gpio = 1 << 4 },
 693                         { .name = "bridge",     .gpio = 1 << 5 },
 694                         { .name = "ses",        .gpio = 1 << 0 },
 695                 },
 696                 .leds           = {
 697                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 698                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 699                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 700                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 701                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 702                 },
 703         },
 704         [WBR2_G54] = {
 705                 .name           = "Buffalo WBR2-G54",
 706                 /* FIXME: verify */
 707                 .buttons        = {
 708                         { .name = "reset",      .gpio = 1 << 7 },
 709                 },
 710                 .leds           = {
 711                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 712                 },
 713         },
 714         [WHR_HP_G54] = {
 715                 .name           = "Buffalo WHR-HP-G54",
 716                 .buttons        = {
 717                         { .name = "reset",      .gpio = 1 << 4 },
 718                         { .name = "bridge",     .gpio = 1 << 5 },
 719                         { .name = "ses",        .gpio = 1 << 0 },
 720                 },
 721                 .leds           = {
 722                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 723                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 724                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 725                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 726                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 727                 },
 728         },
 729         [WHR_G125] = {
 730                 .name           = "Buffalo WHR-G125",
 731                 .buttons        = {
 732                         { .name = "reset",      .gpio = 1 << 4 },
 733                         { .name = "bridge",     .gpio = 1 << 5 },
 734                         { .name = "ses",        .gpio = 1 << 0 },
 735                 },
 736                 .leds           = {
 737                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 738                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 739                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 740                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 741                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 742                 },
 743         },
 744         [WHR2_A54G54] = {
 745                 .name           = "Buffalo WHR2-A54G54",
 746                 .buttons        = {
 747                         { .name = "reset",      .gpio = 1 << 4 },
 748                 },
 749                 .leds           = {
 750                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 751                 },
 752         },
 753         [WLA2_G54L] = {
 754                 .name           = "Buffalo WLA2-G54L",
 755                 /* FIXME: verify */
 756                 .buttons        = {
 757                         { .name = "reset",      .gpio = 1 << 7 },
 758                 },
 759                 .leds           = {
 760                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 761                 },
 762         },
 763         [WZR_G300N] = {
 764                 .name           = "Buffalo WZR-G300N",
 765                 .buttons        = {
 766                         { .name = "reset",      .gpio = 1 << 4 },
 767                 },
 768                 .leds           = {
 769                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 770                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 771                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 772                 },
 773         },
 774         [WZR_RS_G54] = {
 775                 .name           = "Buffalo WZR-RS-G54",
 776                 .buttons        = {
 777                         { .name = "ses",        .gpio = 1 << 0 },
 778                         { .name = "reset",      .gpio = 1 << 4 },
 779                 },
 780                 .leds           = {
 781                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 782                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 783                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 784                 },
 785         },
 786         [WZR_RS_G54HP] = {
 787                 .name           = "Buffalo WZR-RS-G54HP",
 788                 .buttons        = {
 789                         { .name = "ses",        .gpio = 1 << 0 },
 790                         { .name = "reset",      .gpio = 1 << 4 },
 791                 },
 792                 .leds           = {
 793                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 794                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 795                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 796                 },
 797         },
 798         [BUFFALO_UNKNOWN_4710] = {
 799                 .name           = "Buffalo (unknown, BCM4710)",
 800                 .buttons        = {
 801                         { .name = "reset",      .gpio = 1 << 4 },
 802                 },
 803                 .leds           = {
 804                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 805                 },
 806         },
 807         /* Siemens */
 808         [SE505V1] = {
 809                 .name           = "Siemens SE505 V1",
 810                 .buttons        = {
 811                         /* No usable buttons */
 812                 },
 813                 .leds           = {
 814 //                      { .name = "power",      .gpio = 1 << 0  .polarity = REVERSE },  // Usable when retrofitting D26 (?)
 815                         { .name = "dmz",        .gpio = 1 << 4, .polarity = REVERSE },  // actual name WWW
 816                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 817                 },
 818         },
 819         [SE505V2] = {
 820                 .name           = "Siemens SE505 V2",
 821                 .buttons        = {
 822                         /* No usable buttons */
 823                 },
 824                 .leds           = {
 825                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 826                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },  // actual name WWW
 827                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 828                 },
 829         },
 830         /* US Robotics */
 831         [USR5461] = {
 832                 .name           = "U.S. Robotics USR5461",
 833                 .buttons        = {
 834                         /* No usable buttons */
 835                 },
 836                 .leds           = {
 837                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 838                         { .name = "printer",    .gpio = 1 << 1, .polarity = REVERSE },
 839                 },
 840         },
 841         /* Dell */
 842         [TM2300] = {
 843                 .name           = "Dell TrueMobile 2300",
 844                 .buttons        = {
 845                         { .name = "reset",      .gpio = 1 << 0 },
 846                 },
 847                 .leds           = {
 848                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 849                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 850                 },
 851         },
 852         [TM2300V2] = {
 853                 .name           = "Dell TrueMobile 2300 v2",
 854                 .buttons        = {
 855                         { .name = "reset",      .gpio = 1 << 0 },
 856                 },
 857                 .leds           = {
 858                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 859                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 860                 },
 861         },
 862         /* Motorola */
 863         [WE800G] = {
 864                 .name           = "Motorola WE800G",
 865                 .buttons        = {
 866                         { .name = "reset",      .gpio = 1 << 0 },
 867                 },
 868                 .leds           = {
 869                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 870                         { .name = "diag",       .gpio = 1 << 2, .polarity = REVERSE },
 871                         { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
 872                 },
 873         },
 874         [WR850GV1] = {
 875                 .name           = "Motorola WR850G V1",
 876                 .buttons        = {
 877                         { .name = "reset",      .gpio = 1 << 0 },
 878                 },
 879                 .leds           = {
 880                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 881                         { .name = "diag",       .gpio = 1 << 3, .polarity = REVERSE },
 882                         { .name = "dmz",        .gpio = 1 << 6, .polarity = NORMAL },
 883                         { .name = "wlan_red",   .gpio = 1 << 5, .polarity = REVERSE },
 884                         { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
 885                 },
 886         },
 887         [WR850GV2V3] = {
 888                 .name           = "Motorola WR850G V2/V3",
 889                 .buttons        = {
 890                         { .name = "reset",      .gpio = 1 << 5 },
 891                 },
 892                 .leds           = {
 893                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 894                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 895                         { .name = "wan",        .gpio = 1 << 6, .polarity = INPUT },
 896                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 897                 },
 898         },
 899         [WR850GP] = {
 900                 .name           = "Motorola WR850GP",
 901                 .buttons        = {
 902                         { .name = "reset",      .gpio = 1 << 5 },
 903                 },
 904                 .leds           = {
 905                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 906                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 907                         { .name = "dmz",        .gpio = 1 << 6, .polarity = REVERSE },
 908                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 909                 },
 910         },
 911
 912         /* Belkin */
 913         [BELKIN_UNKNOWN] = {
 914                 .name           = "Belkin (unknown)",
 915                 /* FIXME: verify & add detection */
 916                 .buttons        = {
 917                         { .name = "reset",      .gpio = 1 << 7 },
 918                 },
 919                 .leds           = {
 920                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },
 921                         { .name = "wlan",       .gpio = 1 << 3, .polarity = NORMAL },
 922                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
 923                 },
 924         },
 925         [BELKIN_F7D4301] = {
 926                 .name           = "Belkin PlayMax F7D4301",
 927                 .buttons        = {
 928                         { .name = "reset",      .gpio = 1 << 6 },
 929                         { .name = "wps",        .gpio = 1 << 8 },
 930                 },
 931                 .leds           = {
 932                         { .name = "power",      .gpio = 1 << 11, .polarity = REVERSE },
 933                         { .name = "wlan",       .gpio = 1 << 13, .polarity = REVERSE },
 934                         { .name = "led0",       .gpio = 1 << 14, .polarity = REVERSE },
 935                         { .name = "led1",       .gpio = 1 << 15, .polarity = REVERSE },
 936                 },
 937         },
 938         /* Netgear */
 939         [WGT634U] = {
 940                 .name           = "Netgear WGT634U",
 941                 .buttons        = {
 942                         { .name = "reset",      .gpio = 1 << 2 },
 943                 },
 944                 .leds           = {
 945                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
 946                 },
 947         },
 948         /* Netgear */
 949         [WNR834BV1] = {
 950                 .name           = "Netgear WNR834B V1",
 951                 .buttons        = { /* TODO: add reset button and confirm LEDs - GPIO from dd-wrt */ },
 952                 .leds           = {
 953                         { .name = "power",      .gpio = 1 << 4, .polarity = REVERSE },
 954                         { .name = "diag",       .gpio = 1 << 5, .polarity = REVERSE },
 955                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 956                 },
 957         },
 958         /* Netgear */
 959         [WNR834BV2] = {
 960                 .name           = "Netgear WNR834B V2",
 961                 .buttons        = {
 962                         { .name = "reset",      .gpio = 1 << 6 },
 963                 },
 964                 .leds           = {
 965                         { .name = "power",      .gpio = 1 << 2, .polarity = NORMAL },
 966                         { .name = "diag",       .gpio = 1 << 3, .polarity = NORMAL },
 967                         { .name = "connected",  .gpio = 1 << 7, .polarity = NORMAL },
 968                 },
 969         },
 970         [WNDR3400V1] = {
 971                 .name           = "Netgear WNDR3400 V1",
 972                 .buttons        = {
 973                         /* nvram get gpio5=robo_reset */
 974                         { .name = "reset",      .gpio = 1 << 4 },
 975                         { .name = "wps",        .gpio = 1 << 6 },
 976                         { .name = "wlan",       .gpio = 1 << 8 },
 977                 },
 978                 .leds           = {
 979                         { .name = "wlan",       .gpio = 0 << 0, .polarity = NORMAL },
 980                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
 981                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
 982                         { .name = "diag",       .gpio = 1 << 7, .polarity = NORMAL },
 983                         { .name = "usb",        .gpio = 1 << 2, .polarity = REVERSE },
 984                 },
 985         },
 986         [WNDR3700V3] = {
 987                 .name           = "Netgear WNDR3700 V3",
 988                 .buttons        = {
 989                         /* { .name = "usb",     .gpio = 1 << 1 }, */ /* this button doesn't seem to exist. */
 990                         { .name = "wlan",       .gpio = 1 << 2 },
 991                         { .name = "reset",      .gpio = 1 << 3 },
 992                         { .name = "wps",        .gpio = 1 << 4 },
 993                         /* { .name = "switch",  .gpio = 1 << 5 },*/     /* nvram get gpio5=robo_reset */
 994                 },
 995                 .leds           = {
 996                         { .name = "power",      .gpio = (1 << 0) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
 997                         { .name = "diag",       .gpio = (1 << 1) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
 998                         /* WAN LED doesn't respond to GPIO control. The switch is probably driving it.
 999                          * { .name = "wan",     .gpio = (1 << 2) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1000                          */
1001                         { .name = "wlan2g",     .gpio = (1 << 3) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1002                         { .name = "wlan5g",     .gpio = (1 << 4) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1003                         { .name = "usb",        .gpio = (1 << 5) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1004                         { .name = "wps",        .gpio = (1 << 6) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1005                         { .name = "wlan",       .gpio = (1 << 7) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1006                 },
1007         },
1008         /* Trendware */
1009         [TEW411BRPP] = {
1010                 .name           = "Trendware TEW411BRP+",
1011                 .buttons        = {
1012                         { /* No usable buttons */ },
1013                 },
1014                 .leds           = {
1015                         { .name = "power",      .gpio = 1 << 7, .polarity = NORMAL },
1016                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },
1017                         { .name = "bridge",     .gpio = 1 << 6, .polarity = NORMAL },
1018                 },
1019         },
1020         /* SimpleTech */
1021         [STI_NAS] = {
1022                 .name      = "SimpleTech SimpleShare NAS",
1023                 .buttons        = {
1024                         { .name = "reset",      .gpio = 1 << 0 }, // Power button on back, named reset to enable failsafe.
1025                 },
1026                 .leds      = {
1027                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
1028                 },
1029                 .platform_init = bcm4780_init,
1030         },
1031         /* D-Link */
1032         [DIR130] = {
1033                 .name     = "D-Link DIR-130",
1034                 .buttons        = {
1035                         { .name = "reset",      .gpio = 1 << 3},
1036                         { .name = "reserved",   .gpio = 1 << 7},
1037                 },
1038                 .leds      = {
1039                         { .name = "diag",       .gpio = 1 << 0},
1040                         { .name = "blue",       .gpio = 1 << 6},
1041                 },
1042         },
1043         [DIR320] = {
1044                 .name     = "D-Link DIR-320",
1045                 .buttons        = {
1046                         { .name = "reserved",   .gpio = 1 << 6},
1047                         { .name = "reset",      .gpio = 1 << 7},
1048                 },
1049                 .leds      = {
1050                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
1051                         { .name = "diag",       .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
1052                         { .name = "red",        .gpio = 1 << 3, .polarity = REVERSE },
1053                         { .name = "blue",       .gpio = 1 << 4, .polarity = REVERSE },
1054                         { .name = "usb",        .gpio = 1 << 5, .polarity = NORMAL },
1055                 },
1056         },
1057         [DIR330] = {
1058                 .name     = "D-Link DIR-330",
1059                 .buttons        = {
1060                         { .name = "reset",      .gpio = 1 << 3},
1061                         { .name = "reserved",   .gpio = 1 << 7},
1062                 },
1063                 .leds      = {
1064                         { .name = "diag",       .gpio = 1 << 0},
1065                         { .name = "usb",        .gpio = 1 << 4},
1066                         { .name = "blue",       .gpio = 1 << 6},
1067                 },
1068         },
1069         [DWL3150] = {
1070                 .name   = "D-Link DWL-3150",
1071                 .buttons        = {
1072                         { .name = "reset",      .gpio = 1 << 7},
1073                 },
1074                 .leds     = {
1075                         { .name = "diag",       .gpio = 1 << 2},
1076                         { .name = "status",     .gpio = 1 << 1},
1077                 },
1078         },
1079         /* Double check */
1080         [WL105B] = {
1081                 .name   = "Sitecom WL-105b",
1082                 .buttons        = {
1083                         { .name = "reset",      .gpio = 1 << 10},
1084                 },
1085                 .leds     = {
1086                         { .name = "wlan",       .gpio = 1 << 4},
1087                         { .name = "power",      .gpio = 1 << 3},
1088                 },
1089         },
1090         /* Western Digital Net Center */
1091         [WDNetCenter] = {
1092                 .name   = "Western Digital NetCenter",
1093                 .buttons        = {
1094                         { .name = "power",      .gpio = 1 << 0},
1095                         { .name = "reset",      .gpio = 1 << 7},
1096                 },
1097                 .platform_init = NetCenter_init,
1098         },
1099         /* Askey (and clones) */
1100         [RT210W] = {
1101                 .name           = "Askey RT210W",
1102                 .buttons        = {
1103                         /* Power button is hard-wired to hardware reset */
1104                         /* but is also connected to GPIO 7 (probably for bootloader recovery)  */
1105                         { .name = "power",      .gpio = 1 << 7},
1106                 },
1107                 .leds           = {
1108                         /* These were verified and named based on Belkin F5D4230-4 v1112 */
1109                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
1110                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
1111                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
1112                 },
1113         },
1114         [WL1600GL] = {
1115                 .name           = "OvisLink WL-1600GL",
1116                 .buttons        = {
1117                         { .name = "reset",      .gpio = 1 << 3 },
1118                         { .name = "ses",        .gpio = 1 << 4 },
1119                 },
1120                 .leds           = {
1121                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
1122                         { .name = "wps",        .gpio = 1 << 2, .polarity = REVERSE },
1123                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
1124                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
1125                 },
1126         },
1127         /* Microsoft */
1128         [MN700] = {
1129                 .name   = "Microsoft MN-700",
1130                 .buttons        = {
1131                         { .name = "reset",      .gpio = 1 << 7 },
1132                 },
1133                 .leds     = {
1134                         { .name = "power",      .gpio = 1 << 6, .polarity = NORMAL },
1135                 },
1136         },
1137         /* Edimax */
1138         [PS1208MFG] = {
1139                 .name   = "Edimax PS-1208MFG",
1140                 .buttons        = {
1141                         { .name = "reset",      .gpio = 1 << 4 },
1142                 },
1143                 .leds     = {
1144                         { .name = "status",     .gpio = 1 << 1, .polarity = NORMAL },
1145                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
1146                 },
1147         },
1148 };
1149
1150 static struct platform_t __init *platform_detect_legacy(void)
1151 {
1152         char *boardnum, *boardtype;
1153
1154         if (strcmp(getvar("nvram_type"), "cfe") == 0)
1155                 return &platforms[WGT634U];
1156
1157
1158         /* no easy model number, attempt to guess */
1159         boardnum = getvar("boardnum");
1160         boardtype = getvar("boardtype");
1161
1162         if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N  v1/V1.1 */
1163                 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
1164                         return &platforms[WRT600NV11];
1165
1166         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
1167                         return &platforms[WRT600N];
1168         }
1169
1170         if (startswith(getvar("pmon_ver"), "CFE")) {
1171                 /* CFE based - newer hardware */
1172                 if (!strcmp(boardnum, "42")) { /* Linksys */
1173                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
1174                                 return &platforms[WRT350N];
1175
1176                         if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
1177                                 return &platforms[WRT54G3G];
1178
1179                         /* default to WRT54G */
1180                         return &platforms[WRT54G];
1181                 }
1182                 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
1183                         return &platforms[WAP54GV2];
1184
1185                 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
1186                         return &platforms[WL1600GL];
1187
1188
1189                 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1190                         if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1191                                 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1192                 }
1193
1194                 if (!strcmp(boardnum, "10496"))
1195                         return &platforms[USR5461];
1196
1197                 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1198                         return &platforms[SE505V2];
1199
1200                 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1201                                 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1202                         return &platforms[DIR320];
1203
1204                 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1205                         return &platforms[WDNetCenter];
1206                 }
1207
1208                 if (!strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B  V1 and V2*/
1209                         if (!strcmp(boardnum, "08") || !strcmp(boardnum, "8"))
1210                                 return &platforms[WNR834BV1];
1211                         if (!strcmp(boardnum, "01") || !strcmp(boardnum, "1"))
1212                                 return &platforms[WNR834BV2];
1213                 }
1214
1215         } else { /* PMON based - old stuff */
1216                 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1217                         (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1218                         return &platforms[WR850GV1];
1219                 }
1220                 if (startswith(boardtype, "bcm94710dev")) {
1221                         if (!strcmp(boardnum, "42"))
1222                                 return &platforms[WRT54GV1];
1223                         if (simple_strtoul(boardnum, NULL, 0) == 2)
1224                                 return &platforms[WAP54GV1];
1225                 }
1226                 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1227                 if (startswith(getvar("hardware_version"), "WL500-")) {
1228                         if (!strcmp(getvar("boardnum"), "mn700"))
1229                                 return &platforms[MN700];
1230                         else
1231                                 return &platforms[WL500G];
1232                 }
1233                 /* Sitecom WL-105b */
1234                 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1235                         return &platforms[WL105B];
1236
1237                 /* unknown asus stuff, probably bcm4702 */
1238                 if (startswith(boardnum, "asusX"))
1239                         return &platforms[ASUS_4702];
1240
1241                 /* bcm4702 based Askey RT210W clones, Including:
1242                  * Askey RT210W (duh?)
1243                  * Siemens SE505v1
1244                  * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1245                  */
1246                 if (!strcmp(boardtype,"bcm94710r4")
1247                  && !strcmp(boardnum ,"100")
1248                  && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1249                    ){
1250                         return &platforms[RT210W];
1251                 }
1252         }
1253
1254         if (boardnum || !strcmp(boardnum, "00")) {/* probably buffalo */
1255                 if (startswith(boardtype, "bcm94710ap"))
1256                         return &platforms[BUFFALO_UNKNOWN_4710];
1257         }
1258
1259         if (startswith(getvar("CFEver"), "MotoWRv2") ||
1260                 startswith(getvar("CFEver"), "MotoWRv3") ||
1261                 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1262
1263                 return &platforms[WR850GV2V3];
1264         }
1265
1266         if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) {  /* Trendware TEW-411BRP+ */
1267                 return &platforms[TEW411BRPP];
1268         }
1269
1270         if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
1271                 return &platforms[STI_NAS];
1272
1273         if (!strcmp(boardnum, "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1274                 return &platforms[DWL3150];
1275
1276         if (!strcmp(boardnum, "01") && !strcmp(boardtype, "0x048e") && /* Edimax PS1208MFG */
1277                 !strcmp(getvar("status_gpio"), "1")) /* gpio based detection */
1278                 return &platforms[PS1208MFG];
1279
1280         /* not found */
1281         return NULL;
1282 }
1283
1284 static struct platform_t __init *platform_detect(void)
1285 {
1286         enum bcm47xx_board board;
1287         const char *board_name;
1288
1289
1290         board = bcm47xx_board_get();
1291         board_name = bcm47xx_board_get_name();
1292         if (board != BCM47XX_BOARD_UNKNOWN && board != BCM47XX_BOARD_NON)
1293                 printk(MODULE_NAME ": kernel found a \"%s\"\n", board_name);
1294
1295         switch(board) {
1296         case BCM47XX_BOARD_ASUS_RTN12:
1297                 return &platforms[RTN12];
1298         case BCM47XX_BOARD_ASUS_RTN16:
1299                 return &platforms[RTN16];
1300         case BCM47XX_BOARD_ASUS_RTN66U:
1301                 return &platforms[RTN66U];
1302         case BCM47XX_BOARD_ASUS_WL300G:
1303                 return &platforms[WL300G];
1304         case BCM47XX_BOARD_ASUS_WL320GE:
1305                 return &platforms[WL320GE];
1306         case BCM47XX_BOARD_ASUS_WL330GE:
1307                 return &platforms[WL330GE];
1308         case BCM47XX_BOARD_ASUS_WL500GD:
1309                 return &platforms[WL500GD];
1310         case BCM47XX_BOARD_ASUS_WL500GPV1:
1311                 return &platforms[WL500GP];
1312         case BCM47XX_BOARD_ASUS_WL500GPV2:
1313                 return &platforms[WL500GPV2];
1314         case BCM47XX_BOARD_ASUS_WL500W:
1315                 return &platforms[WL500W];
1316         case BCM47XX_BOARD_ASUS_WL520GC:
1317                 return &platforms[WL520GC];
1318         case BCM47XX_BOARD_ASUS_WL520GU:
1319                 return &platforms[WL520GU];
1320         case BCM47XX_BOARD_ASUS_WL700GE:
1321                 return &platforms[WL700GE];
1322         case BCM47XX_BOARD_ASUS_WLHDD:
1323                 return &platforms[WLHDD];
1324         case BCM47XX_BOARD_BELKIN_F7D4301:
1325                 return &platforms[BELKIN_F7D4301];
1326         case BCM47XX_BOARD_BUFFALO_WBR2_G54:
1327                 return &platforms[WBR2_G54];
1328         case BCM47XX_BOARD_BUFFALO_WHR2_A54G54:
1329                 return &platforms[WHR2_A54G54];
1330         case BCM47XX_BOARD_BUFFALO_WHR_G125:
1331                 return &platforms[WHR_G125];
1332         case BCM47XX_BOARD_BUFFALO_WHR_G54S:
1333                 return &platforms[WHR_G54S];
1334         case BCM47XX_BOARD_BUFFALO_WHR_HP_G54:
1335                 return &platforms[WHR_HP_G54];
1336         case BCM47XX_BOARD_BUFFALO_WLA2_G54L:
1337                 return &platforms[WLA2_G54L];
1338         case BCM47XX_BOARD_BUFFALO_WZR_G300N:
1339                 return &platforms[WZR_G300N];
1340         case BCM47XX_BOARD_BUFFALO_WZR_RS_G54:
1341                 return &platforms[WZR_RS_G54];
1342         case BCM47XX_BOARD_BUFFALO_WZR_RS_G54HP:
1343                 return &platforms[WZR_RS_G54HP];
1344         case BCM47XX_BOARD_DELL_TM2300:
1345                 return &platforms[TM2300];
1346         case BCM47XX_BOARD_DLINK_DIR130:
1347                 return &platforms[DIR130];
1348         case BCM47XX_BOARD_DLINK_DIR330:
1349                 return &platforms[DIR330];
1350         case BCM47XX_BOARD_LINKSYS_E1000V1:
1351                 return &platforms[E1000V1];
1352         case BCM47XX_BOARD_LINKSYS_E3000V1:
1353                 return &platforms[E3000V1];
1354         case BCM47XX_BOARD_LINKSYS_E3200V1:
1355                 return &platforms[E3200V1];
1356         case BCM47XX_BOARD_LINKSYS_E4200V1:
1357                 return &platforms[E4200V1];
1358         case BCM47XX_BOARD_LINKSYS_WRT150NV1:
1359                 return &platforms[WRT150NV1];
1360         case BCM47XX_BOARD_LINKSYS_WRT150NV11:
1361                 return &platforms[WRT150NV11];
1362         case BCM47XX_BOARD_LINKSYS_WRT160NV1:
1363                 return &platforms[WRT160NV1];
1364         case BCM47XX_BOARD_LINKSYS_WRT160NV3:
1365                 return &platforms[WRT160NV3];
1366         case BCM47XX_BOARD_LINKSYS_WRT300NV11:
1367                 return &platforms[WRT300NV11];
1368         case BCM47XX_BOARD_LINKSYS_WRT54G3GV2:
1369                 return &platforms[WRT54G3GV2_VF];
1370         case BCM47XX_BOARD_LINKSYS_WRT610NV1:
1371                 return &platforms[WRT610N];
1372         case BCM47XX_BOARD_LINKSYS_WRT610NV2:
1373                 return &platforms[WRT610NV2];
1374         case BCM47XX_BOARD_LINKSYS_WRTSL54GS:
1375                 return &platforms[WRTSL54GS];
1376         case BCM47XX_BOARD_MOTOROLA_WE800G:
1377                 return &platforms[WE800G];
1378         case BCM47XX_BOARD_MOTOROLA_WR850GP:
1379                 return &platforms[WR850GP];
1380         case BCM47XX_BOARD_MOTOROLA_WR850GV2V3:
1381                 return &platforms[WR850GV2V3];
1382         case BCM47XX_BOARD_NETGEAR_WNDR3400V1:
1383                 return &platforms[WNDR3400V1];
1384         case BCM47XX_BOARD_NETGEAR_WNDR3700V3:
1385                 return &platforms[WNDR3700V3];
1386         case BCM47XX_BOARD_UNKNOWN:
1387         case BCM47XX_BOARD_NON:
1388                 printk(MODULE_NAME ": unknown board found, try legacy detect\n");
1389                 printk(MODULE_NAME ": please open a ticket at https://dev.openwrt.org and attach the complete nvram\n");
1390                 return platform_detect_legacy();
1391         default:
1392                 printk(MODULE_NAME ": board was detected as \"%s\", but not gpio configuration available\n", board_name);
1393                 printk(MODULE_NAME ": now trying legacy detect\n");
1394                 return platform_detect_legacy();
1395         }
1396 }
1397
1398 static inline void ssb_maskset32(struct ssb_device *dev,
1399                                   u16 offset, u32 mask, u32 set)
1400 {
1401         ssb_write32(dev, offset, (ssb_read32(dev, offset) & mask) | set);
1402 }
1403
1404 static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
1405 {
1406         int irq;
1407         int err;
1408
1409         irq = gpio_to_irq(0);
1410         if (irq < 0) {
1411                 pr_err("no irq for gpio available\n");
1412                 return;
1413         }
1414
1415         if (enabled) {
1416                 err = request_irq(irq, handler, IRQF_SHARED, "gpio", handler);
1417                 if (err) {
1418                         pr_err("can not reqeust irq\n");
1419                         return;
1420                 }
1421         } else {
1422                 free_irq(irq, handler);
1423         }
1424
1425         switch (bcm47xx_bus_type) {
1426 #ifdef CONFIG_BCM47XX_SSB
1427         case BCM47XX_BUS_TYPE_SSB:
1428                 if (bcm47xx_bus.ssb.chipco.dev)
1429                         ssb_maskset32(bcm47xx_bus.ssb.chipco.dev, SSB_CHIPCO_IRQMASK, ~SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
1430                 break;
1431 #endif
1432 #ifdef CONFIG_BCM47XX_BCMA
1433         case BCM47XX_BUS_TYPE_BCMA:
1434                 if (bcm47xx_bus.bcma.bus.drv_cc.core)
1435                         bcma_maskset32(bcm47xx_bus.bcma.bus.drv_cc.core, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO, (enabled ? BCMA_CC_IRQ_GPIO : 0));
1436                 break;
1437 #endif
1438         }
1439 }
1440
1441 static void hotplug_button(struct work_struct *work)
1442 {
1443         struct event_t *event = container_of(work, struct event_t, wq);
1444         char *s;
1445
1446         event->skb = alloc_skb(2048, GFP_KERNEL);
1447
1448         s = skb_put(event->skb, strlen(event->action) + 2);
1449         sprintf(s, "%s@", event->action);
1450         fill_event(event);
1451
1452         NETLINK_CB(event->skb).dst_group = 1;
1453         broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
1454
1455         kfree(event);
1456 }
1457
1458 static irqreturn_t button_handler(int irq, void *dev_id)
1459 {
1460         struct button_t *b;
1461         u32 in, changed;
1462
1463         in = bcm47xx_gpio_in(~0) & platform.button_mask;
1464         bcm47xx_gpio_polarity(platform.button_mask, in);
1465         changed = platform.button_polarity ^ in;
1466         platform.button_polarity = in;
1467
1468         changed &= ~bcm47xx_gpio_outen(0, 0);
1469
1470         for (b = platform.buttons; b->name; b++) {
1471                 struct event_t *event;
1472
1473                 if (!(b->gpio & changed)) continue;
1474
1475                 b->pressed ^= 1;
1476
1477                 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1478                         event->seen = (jiffies - b->seen)/HZ;
1479                         event->name = b->name;
1480                         event->action = b->pressed ? "pressed" : "released";
1481                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1482                         schedule_work(&event->wq);
1483                 }
1484
1485                 b->seen = jiffies;
1486         }
1487         return IRQ_HANDLED;
1488 }
1489
1490 static void register_buttons(struct button_t *b)
1491 {
1492         for (; b->name; b++)
1493                 platform.button_mask |= b->gpio;
1494
1495         platform.button_mask &= ~gpiomask;
1496
1497         bcm47xx_gpio_outen(platform.button_mask, 0);
1498         bcm47xx_gpio_control(platform.button_mask, 0);
1499         platform.button_polarity = bcm47xx_gpio_in(~0) & platform.button_mask;
1500         bcm47xx_gpio_polarity(platform.button_mask, platform.button_polarity);
1501         bcm47xx_gpio_intmask(platform.button_mask, platform.button_mask);
1502
1503         gpio_set_irqenable(1, button_handler);
1504 }
1505
1506 static void unregister_buttons(struct button_t *b)
1507 {
1508         bcm47xx_gpio_intmask(platform.button_mask, 0);
1509
1510         gpio_set_irqenable(0, button_handler);
1511 }
1512
1513
1514 static void add_msg(struct event_t *event, char *msg, int argv)
1515 {
1516         char *s;
1517
1518         if (argv)
1519                 return;
1520
1521         s = skb_put(event->skb, strlen(msg) + 1);
1522         strcpy(s, msg);
1523 }
1524
1525 static int fill_event (struct event_t *event)
1526 {
1527         static char buf[128];
1528
1529         add_msg(event, "HOME=/", 0);
1530         add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1531         add_msg(event, "SUBSYSTEM=button", 0);
1532         snprintf(buf, 128, "ACTION=%s", event->action);
1533         add_msg(event, buf, 0);
1534         snprintf(buf, 128, "BUTTON=%s", event->name);
1535         add_msg(event, buf, 0);
1536         snprintf(buf, 128, "SEEN=%ld", event->seen);
1537         add_msg(event, buf, 0);
1538         snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1539         add_msg(event, buf, 0);
1540
1541         return 0;
1542 }
1543
1544 /*
1545  * This should be extended to allow the platform to specify the pins and width
1546  * of the shift register. They're hardcoded for now because only the WNDR3700v3
1547  * uses it.
1548  */
1549 static void shiftreg_output(unsigned int val)
1550 {
1551         unsigned int mask;
1552
1553         bcm47xx_gpio_out(SHIFTREG_DATA, SHIFTREG_DATA); /* init off, pull high */
1554         bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* init reset */
1555
1556         /* shift 8 times */
1557         for(mask = 1 << (SHIFTREG_MAX_BITS-1); mask; mask >>= 1)
1558         {
1559                 bcm47xx_gpio_out(SHIFTREG_DATA, (val & mask) ? SHIFTREG_DATA : 0);
1560                 bcm47xx_gpio_out(SHIFTREG_CLK, SHIFTREG_CLK); /* pull high to trigger */
1561                 bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* reset to low */
1562         }
1563 }
1564
1565 static void set_led_shift(struct led_t *led)
1566 {
1567         static u32      shiftreg = 0;
1568         u32                     old = shiftreg;
1569         u32                     pin = (led->gpio & ~GPIO_TYPE_MASK);
1570
1571         if (led->state) {
1572                 shiftreg |= pin;
1573         } else {
1574                 shiftreg &= ~pin;
1575         }
1576
1577         /* Clock the bits out. */
1578         if (shiftreg != old) {
1579                 shiftreg_output(shiftreg);
1580         }
1581 }
1582
1583 static void set_led_extif(struct led_t *led)
1584 {
1585         volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (led->gpio & ~GPIO_TYPE_MASK);
1586         if (led->state)
1587                 *addr = 0xFF;
1588         else
1589                 *addr;
1590 }
1591
1592
1593 static void led_flash(unsigned long dummy) {
1594         struct led_t *l;
1595         u32 mask = 0;
1596         u8 extif_blink = 0;
1597
1598         for (l = platform.leds; l->name; l++) {
1599                 if (!l->flash) continue;
1600                 switch (l->gpio & GPIO_TYPE_MASK) {
1601                 case GPIO_TYPE_EXTIF:
1602                         extif_blink = 1;
1603                         l->state = !l->state;
1604                         set_led_extif(l);
1605                         break;
1606                 case GPIO_TYPE_SHIFT:
1607                         extif_blink = 1;
1608                         l->state = !l->state;
1609                         set_led_shift(l);
1610                         break;
1611                 case GPIO_TYPE_NORMAL:
1612                 default:
1613                         mask |= l->gpio;
1614                         break;
1615                 }
1616         }
1617
1618         mask &= ~gpiomask;
1619         if (mask) {
1620                 u32 val = ~bcm47xx_gpio_in(~0);
1621
1622                 bcm47xx_gpio_outen(mask, mask);
1623                 bcm47xx_gpio_control(mask, 0);
1624                 bcm47xx_gpio_out(mask, val);
1625         }
1626         if (mask || extif_blink) {
1627                 mod_timer(&led_timer, jiffies + FLASH_TIME);
1628         }
1629 }
1630
1631 static int diag_led_show(struct seq_file *m, void *v)
1632 {
1633         struct led_t * led = m->private;
1634
1635         u8 p = (led->polarity == NORMAL ? 0 : 1);
1636         if (led->flash) {
1637                 return seq_printf(m, "f\n");
1638         } else if ((led->gpio & GPIO_TYPE_MASK) != GPIO_TYPE_NORMAL) {
1639                 return seq_printf(m, "%d\n", ((led->state ^ p) ? 1 : 0));
1640         } else {
1641                 u32 in = (bcm47xx_gpio_in(~0) & led->gpio ? 1 : 0);
1642                 return seq_printf(m, "%d\n", ((in ^ p) ? 1 : 0));
1643         }
1644 }
1645
1646 static int diag_led_open(struct inode *inode, struct file *file)
1647 {
1648         return single_open(file, diag_led_show, PDE_DATA(inode));
1649 }
1650
1651 static ssize_t diag_led_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1652 {
1653         struct led_t *led = PDE_DATA(file_inode(file));
1654         char cmd[5];
1655         size_t len;
1656         int p;
1657
1658         len = min(count, sizeof(cmd) - 1);
1659         if (copy_from_user(cmd, buf, len))
1660                 return -EFAULT;
1661
1662         cmd[len] = 0;
1663
1664         p = (led->polarity == NORMAL ? 0 : 1);
1665         if (cmd[0] == 'f') {
1666                 led->flash = 1;
1667                 led_flash(0);
1668         } else {
1669                 led->flash = 0;
1670                 if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_EXTIF) {
1671                         led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1672                         set_led_extif(led);
1673                 } else if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_SHIFT) {
1674                         led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1675                         set_led_shift(led);
1676                 } else {
1677                         bcm47xx_gpio_outen(led->gpio, led->gpio);
1678                         bcm47xx_gpio_control(led->gpio, 0);
1679                         bcm47xx_gpio_out(led->gpio, ((p ^ (cmd[0] == '1')) ? led->gpio : 0));
1680                 }
1681         }
1682         return count;
1683 }
1684
1685 static const struct file_operations diag_led_fops = {
1686         .open = diag_led_open,
1687         .read = seq_read,
1688         .llseek = seq_lseek,
1689         .write = diag_led_write
1690 };
1691
1692 static void register_leds(struct led_t *l)
1693 {
1694         struct proc_dir_entry *p;
1695         u32 mask = 0;
1696         u32 oe_mask = 0;
1697         u32 val = 0;
1698
1699         leds = proc_mkdir("led", diag);
1700         if (!leds)
1701                 return;
1702
1703         for(; l->name; l++) {
1704                 if (l->gpio & gpiomask)
1705                         continue;
1706
1707                 switch (l->gpio & GPIO_TYPE_MASK) {
1708                 case GPIO_TYPE_EXTIF:
1709                         l->state = 0;
1710                         set_led_extif(l);
1711                         break;
1712                 case GPIO_TYPE_SHIFT:
1713                         mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1714                         oe_mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1715                         l->state = (l->polarity != NORMAL);
1716                         set_led_shift(l);
1717                         break;
1718                 case GPIO_TYPE_NORMAL:
1719                 default:
1720                         if (l->polarity != INPUT) oe_mask |= l->gpio;
1721                         mask |= l->gpio;
1722                         val |= (l->polarity == NORMAL)?0:l->gpio;
1723                         break;
1724                 }
1725
1726                 if (l->polarity == INPUT) continue;
1727
1728                 p = proc_create_data(l->name, S_IRUSR, leds, &diag_led_fops, l);
1729         }
1730
1731         bcm47xx_gpio_outen(mask, oe_mask);
1732         bcm47xx_gpio_control(mask, 0);
1733         bcm47xx_gpio_out(mask, val);
1734         bcm47xx_gpio_intmask(mask, 0);
1735 }
1736
1737 static void unregister_leds(struct led_t *l)
1738 {
1739         for(; l->name; l++)
1740                 remove_proc_entry(l->name, leds);
1741
1742         remove_proc_entry("led", diag);
1743 }
1744
1745 static int diag_model_show(struct seq_file *m, void *v)
1746 {
1747         return seq_printf(m, "%s\n", platform.name);
1748 }
1749
1750 static int diag_model_open(struct inode *inode, struct file *file)
1751 {
1752         return single_open(file, diag_model_show, PDE_DATA(inode));
1753 }
1754
1755 static const struct file_operations diag_model_fops = {
1756         .open = diag_model_open,
1757         .read = seq_read,
1758         .llseek = seq_lseek
1759 };
1760
1761 static int diag_gpiomask_show(struct seq_file *m, void *v)
1762 {
1763         return seq_printf(m, "0x%04x\n", gpiomask);
1764 }
1765
1766 static int diag_gpiomask_open(struct inode *inode, struct file *file)
1767 {
1768         return single_open(file, diag_gpiomask_show, PDE_DATA(inode));
1769 }
1770
1771 static ssize_t diag_gpiomask_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1772 {
1773         int err = kstrtouint_from_user(buf, count, 0, &gpiomask);
1774         if (err)
1775                 return err;
1776
1777         if (platform.buttons) {
1778                 unregister_buttons(platform.buttons);
1779                 register_buttons(platform.buttons);
1780         }
1781
1782         if (platform.leds) {
1783                 unregister_leds(platform.leds);
1784                 register_leds(platform.leds);
1785         }
1786
1787         return count;
1788 }
1789
1790 static const struct file_operations diag_gpiomask_fops = {
1791         .open = diag_gpiomask_open,
1792         .read = seq_read,
1793         .llseek = seq_lseek,
1794         .write = diag_gpiomask_write
1795 };
1796
1797 static int __init diag_init(void)
1798 {
1799         static struct proc_dir_entry *p;
1800         static struct platform_t *detected;
1801
1802         detected = platform_detect();
1803         if (!detected) {
1804                 printk(MODULE_NAME ": Router model not detected.\n");
1805                 return -ENODEV;
1806         }
1807         memcpy(&platform, detected, sizeof(struct platform_t));
1808
1809         printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1810         if (platform.platform_init != NULL) {
1811                 platform.platform_init();
1812         }
1813
1814         if (!(diag = proc_mkdir("diag", NULL))) {
1815                 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1816                 return -EINVAL;
1817         }
1818
1819         p = proc_create("model", S_IRUSR, diag, &diag_model_fops);
1820         if (!p) {
1821                 remove_proc_entry("diag", NULL);
1822                 return -EINVAL;
1823         }
1824
1825         p = proc_create("gpiomask", S_IRUSR | S_IWUSR, diag, &diag_gpiomask_fops);
1826         if (!p) {
1827                 remove_proc_entry("model", diag);
1828                 remove_proc_entry("diag", NULL);
1829                 return -EINVAL;
1830         }
1831
1832         if (platform.buttons)
1833                 register_buttons(platform.buttons);
1834
1835         if (platform.leds)
1836                 register_leds(platform.leds);
1837
1838         return 0;
1839 }
1840
1841 static void __exit diag_exit(void)
1842 {
1843         del_timer(&led_timer);
1844
1845         if (platform.buttons)
1846                 unregister_buttons(platform.buttons);
1847
1848         if (platform.leds)
1849                 unregister_leds(platform.leds);
1850
1851         remove_proc_entry("model", diag);
1852         remove_proc_entry("gpiomask", diag);
1853         remove_proc_entry("diag", NULL);
1854 }
1855
1856 module_init(diag_init);
1857 module_exit(diag_exit);
1858
1859 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1860 MODULE_LICENSE("GPL");