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         E3000V1,
  95         E3200V1,
  96         E4200V1,
  97
  98         /* ASUS */
  99         WLHDD,
 100         WL300G,
 101         WL320GE,
 102         WL330GE,
 103         WL500G,
 104         WL500GD,
 105         WL500GP,
 106         WL500GPV2,
 107         WL500W,
 108         WL520GC,
 109         WL520GU,
 110         ASUS_4702,
 111         WL700GE,
 112         RTN12,
 113         RTN16,
 114         RTN66U,
 115
 116         /* Buffalo */
 117         WBR2_G54,
 118         WHR_G54S,
 119         WHR_HP_G54,
 120         WHR_G125,
 121         WHR2_A54G54,
 122         WLA2_G54L,
 123         WZR_G300N,
 124         WZR_RS_G54,
 125         WZR_RS_G54HP,
 126         BUFFALO_UNKNOWN_4710,
 127
 128         /* Siemens */
 129         SE505V1,
 130         SE505V2,
 131
 132         /* US Robotics */
 133         USR5461,
 134
 135         /* Dell */
 136         TM2300,
 137         TM2300V2,
 138
 139         /* Motorola */
 140         WE800G,
 141         WR850GV1,
 142         WR850GV2V3,
 143         WR850GP,
 144
 145         /* Belkin */
 146         BELKIN_UNKNOWN,
 147         BELKIN_F7D4301,
 148
 149         /* Netgear */
 150         WGT634U,
 151         WNR834BV1,
 152         WNR834BV2,
 153         WNDR3400V1,
 154         WNDR3700V3,
 155
 156         /* Trendware */
 157         TEW411BRPP,
 158
 159         /* SimpleTech */
 160         STI_NAS,
 161
 162         /* D-Link */
 163         DIR130,
 164         DIR320,
 165         DIR330,
 166         DWL3150,
 167
 168         /* Sitecom */
 169         WL105B,
 170
 171         /* Western Digital */
 172         WDNetCenter,
 173
 174         /* Askey */
 175         RT210W,
 176
 177         /* OvisLink */
 178         WL1600GL,
 179
 180         /* Microsoft */
 181         MN700,
 182
 183         /* Edimax */
 184         PS1208MFG,
 185
 186         /* Huawei */
 187         HUAWEI_E970,
 188 };
 189
 190 static void __init bcm4780_init(void) {
 191                 int pin = 1 << 3;
 192
 193                 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
 194                 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
 195                 bcm47xx_gpio_outen(pin, pin);
 196                 bcm47xx_gpio_control(pin, 0);
 197                 bcm47xx_gpio_out(pin, pin);
 198
 199                 /* Wait 5s, so the HDD can spin up */
 200                 set_current_state(TASK_INTERRUPTIBLE);
 201                 schedule_timeout(HZ * 5);
 202 }
 203
 204 static void __init NetCenter_init(void) {
 205                 /* unset pin 6 (+12V) */
 206                 int pin = 1 << 6;
 207                 bcm47xx_gpio_outen(pin, pin);
 208                 bcm47xx_gpio_control(pin, 0);
 209                 bcm47xx_gpio_out(pin, pin);
 210                 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
 211                 pin = 1 << 1;
 212                 bcm47xx_gpio_outen(pin, pin);
 213                 bcm47xx_gpio_control(pin, 0);
 214                 bcm47xx_gpio_out(pin, pin);
 215                 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
 216                 bcm4780_init();
 217 }
 218
 219 static void __init bcm57xx_init(void) {
 220         int pin = 1 << 2;
 221
 222         /* FIXME: switch comes up, but port mappings/vlans not right */
 223         bcm47xx_gpio_outen(pin, pin);
 224         bcm47xx_gpio_control(pin, 0);
 225         bcm47xx_gpio_out(pin, pin);
 226 }
 227
 228 static struct platform_t __initdata platforms[] = {
 229         /* Linksys */
 230         [WAP54GV1] = {
 231                 .name           = "Linksys WAP54G V1",
 232                 .buttons        = {
 233                         { .name = "reset",      .gpio = 1 << 0 },
 234                 },
 235                 .leds           = {
 236                         { .name = "diag",       .gpio = 1 << 3 },
 237                         { .name = "wlan",       .gpio = 1 << 4 },
 238                 },
 239         },
 240         [WAP54GV2] = {
 241                 .name           = "Linksys WAP54G V2",
 242                 .buttons        = {
 243                         { .name = "reset",      .gpio = 1 << 0 },
 244                 },
 245                 .leds           = {
 246                         { .name = "wlan",       .gpio = 1 << 5, .polarity = REVERSE },
 247                         /* GPIO 6 is b44 (eth0, LAN) PHY power */
 248                 },
 249         },
 250         [WAP54GV3] = {
 251                 .name           = "Linksys WAP54G V3",
 252                 .buttons        = {
 253                         /* FIXME: verify this */
 254                         { .name = "reset",      .gpio = 1 << 7 },
 255                         { .name = "ses",        .gpio = 1 << 0 },
 256                 },
 257                 .leds           = {
 258                         /* FIXME: diag? */
 259                         { .name = "ses",        .gpio = 1 << 1 },
 260                 },
 261         },
 262         [WRT54GV1] = {
 263                 .name           = "Linksys WRT54G V1.x",
 264                 .buttons        = {
 265                         { .name = "reset",      .gpio = 1 << 6 },
 266                 },
 267                 .leds           = {
 268                         { .name = "diag",       .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 269                         { .name = "dmz",        .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 270                 },
 271         },
 272         [WRT54G] = {
 273                 .name           = "Linksys WRT54G/GS/GL",
 274                 .buttons        = {
 275                         { .name = "reset",      .gpio = 1 << 6 },
 276                         { .name = "ses",        .gpio = 1 << 4 },
 277                 },
 278                 .leds           = {
 279                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 280                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 281                         { .name = "ses_white",  .gpio = 1 << 2, .polarity = REVERSE },
 282                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 283                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 284                 },
 285         },
 286         [WRTSL54GS] = {
 287                 .name           = "Linksys WRTSL54GS",
 288                 .buttons        = {
 289                         { .name = "reset",      .gpio = 1 << 6 },
 290                         { .name = "ses",        .gpio = 1 << 4 },
 291                 },
 292                 .leds           = {
 293                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 294                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },
 295                         { .name = "ses_white",  .gpio = 1 << 5, .polarity = REVERSE },
 296                         { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
 297                 },
 298         },
 299         [WRT54G3G] = {
 300                 .name           = "Linksys WRT54G3G",
 301                 .buttons        = {
 302                         { .name = "reset",      .gpio = 1 << 6 },
 303                         { .name = "3g",         .gpio = 1 << 4 },
 304                 },
 305                 .leds           = {
 306                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 307                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 308                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 309                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 310                         { .name = "3g_blink",   .gpio = 1 << 5, .polarity = NORMAL },
 311                 },
 312         },
 313         [WRT54G3GV2_VF] = {
 314                 .name           = "Linksys WRT54G3GV2-VF",
 315                 .buttons        = {
 316                         { .name = "reset",      .gpio = 1 << 6 },
 317                         { .name = "3g",         .gpio = 1 << 5 },
 318                 },
 319                 .leds           = {
 320                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 321                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 322                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 323                 },
 324         },
 325         [WRT150NV1] = {
 326                 .name           = "Linksys WRT150N V1",
 327                 .buttons        = {
 328                         { .name = "reset",      .gpio = 1 << 6 },
 329                         { .name = "ses",        .gpio = 1 << 4 },
 330                 },
 331                 .leds           = {
 332                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 333                         { .name = "ses_green",  .gpio = 1 << 5, .polarity = REVERSE },
 334                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
 335                 },
 336         },
 337         [WRT150NV11] = {
 338                 .name           = "Linksys WRT150N V1.1",
 339                 .buttons        = {
 340                         { .name = "reset",      .gpio = 1 << 6 },
 341                         { .name = "ses",        .gpio = 1 << 4 },
 342                 },
 343                 .leds           = {
 344                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 345                         { .name = "ses_green",  .gpio = 1 << 5, .polarity = REVERSE },
 346                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
 347                 },
 348         },
 349         [WRT160NV1] = {
 350                 .name           = "Linksys WRT160N v1.x",
 351                 .buttons        = {
 352                         { .name = "reset",      .gpio = 1 << 6 },
 353                         { .name = "ses",        .gpio = 1 << 4 },
 354                 },
 355                 .leds           = {
 356                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 357                         { .name = "ses_blue",   .gpio = 1 << 5, .polarity = REVERSE },
 358                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 359                 },
 360         },
 361         [WRT160NV3] = {
 362                 .name           = "Linksys WRT160N V3",
 363                 .buttons        = {
 364                         { .name = "reset",      .gpio = 1 << 6 },
 365                         { .name = "ses",        .gpio = 1 << 5 },
 366                 },
 367                 .leds           = {
 368                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 369                         { .name = "ses_blue",   .gpio = 1 << 4, .polarity = REVERSE },
 370                         { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE },
 371                 },
 372         },
 373         [WRT300NV11] = {
 374                 .name           = "Linksys WRT300N V1.1",
 375                 .buttons        = {
 376                         { .name = "reset",     .gpio = 1 << 6 }, // "Reset" on back panel
 377                         { .name = "ses",       .gpio = 1 << 4 }, // "Reserved" on top panel
 378                 },
 379                 .leds           = {
 380                         { .name = "power",     .gpio = 1 << 1, .polarity = NORMAL  }, // "Power"
 381                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
 382                         { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
 383                 },
 384                 .platform_init = bcm57xx_init,
 385         },
 386         [WRT310NV1] = {
 387                 .name           = "Linksys WRT310N V1",
 388                 .buttons        = {
 389                         { .name = "reset",      .gpio = 1 << 6 }, // "Reset" on back panel
 390                         { .name = "ses",        .gpio = 1 << 8 }, // "Reserved" on top panel
 391                 },
 392                 .leds           = {
 393                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL }, // Power LED
 394                         { .name = "ses_amber",  .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
 395                         { .name = "ses_blue",   .gpio = 1 << 9, .polarity = REVERSE }, // "Security" Blue
 396                 },
 397         },
 398         [WRT350N] = {
 399                 .name           = "Linksys WRT350N",
 400                 .buttons        = {
 401                         { .name = "reset",      .gpio = 1 << 6 },
 402                         { .name = "ses",        .gpio = 1 << 8 },
 403                 },
 404                 .leds           = {
 405                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 406                         { .name = "ses_amber",  .gpio = 1 << 3, .polarity = REVERSE },
 407                         { .name = "ses_green",  .gpio = 1 << 9, .polarity = REVERSE },
 408                         { .name = "usb_blink",  .gpio = 1 << 10, .polarity = REVERSE },
 409                         { .name = "usb",        .gpio = 1 << 11, .polarity = REVERSE },
 410                 },
 411                 .platform_init = bcm57xx_init,
 412         },
 413         [WRT600N] = {
 414                 .name           = "Linksys WRT600N",
 415                 .buttons        = {
 416                         { .name = "reset",      .gpio = 1 << 6 },
 417                         { .name = "ses",        .gpio = 1 << 7 },
 418                 },
 419                 .leds           = {
 420                         { .name = "power",              .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 421                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 422                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 423                         { .name = "wl0_ses_green",      .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 424                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 425                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 426                 },
 427                 .platform_init = bcm57xx_init,
 428         },
 429         [WRT600NV11] = {
 430                 .name           = "Linksys WRT600N V1.1",
 431                 .buttons        = {
 432                         { .name = "reset",      .gpio = 1 << 6 },
 433                         { .name = "ses",        .gpio = 1 << 7 },
 434                 },
 435                 .leds           = {
 436                         { .name = "power",             .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 437                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 438                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 439                         { .name = "wl0_ses_green",     .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 440                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 441                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 442                 },
 443                 .platform_init = bcm57xx_init,
 444         },
 445         [WRT610N] = {
 446                 .name           = "Linksys WRT610N",
 447                 .buttons        = {
 448                         { .name = "reset",      .gpio = 1 << 6 },
 449                         { .name = "ses",        .gpio = 1 << 8 },
 450                 },
 451                 .leds           = {
 452                         { .name = "power",      .gpio = 1 << 1,  .polarity = NORMAL }, // Power LED
 453                         { .name = "usb",        .gpio = 1 << 0,  .polarity = REVERSE }, // USB LED
 454                         { .name = "ses_amber",  .gpio = 1 << 3,  .polarity = REVERSE }, // WiFi protected setup LED amber
 455                         { .name = "ses_blue",   .gpio = 1 << 9,  .polarity = REVERSE }, // WiFi protected setup LED blue
 456                 },
 457         },
 458         [WRT610NV2] = {
 459                 .name           = "Linksys WRT610N V2",
 460                 .buttons        = {
 461                         { .name = "reset",      .gpio = 1 << 6 },
 462                         { .name = "ses",        .gpio = 1 << 4 },
 463                 },
 464                 .leds           = {
 465                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },   // Power LED
 466                         { .name = "usb",        .gpio = 1 << 7, .polarity = NORMAL },   // USB LED
 467                         { .name = "ses_amber",  .gpio = 1 << 0, .polarity = REVERSE },  // WiFi protected setup LED amber
 468                         { .name = "ses_blue",   .gpio = 1 << 3, .polarity = REVERSE },  // WiFi protected setup LED blue
 469                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },   // Wireless LED
 470                 },
 471         },
 472         /* same hardware as WRT160NV3 and Cisco Valet M10V1, but different board detection, combine? */
 473         [E1000V1] = {
 474                 .name           = "Linksys E1000 V1",
 475                 .buttons        = {
 476                         { .name = "reset",      .gpio = 1 << 6 },
 477                         { .name = "wps",        .gpio = 1 << 5 }, /* nvram get gpio5=wps_button */
 478                 },
 479                 .leds           = {
 480                         /** turns on leds for all ethernet ports (wan too)
 481                          *  this also disconnects some, or maybe all, ethernet ports
 482                          *  1: leds work normally
 483                          *  0: all lit all the time */
 484                         /* nvram get gpio3=robo_reset */
 485                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
 486                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 487                         { .name = "ses_blue",   .gpio = 1 << 4, .polarity = REVERSE }, /* nvram get gpio4=wps_led */
 488                         { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE }, /* nvram get gpio2=wps_status_led */
 489                 },
 490         },
 491         [E1000V21] = {
 492                 .name           = "Linksys E1000 V2.1",
 493                 .buttons        = {
 494                         { .name = "reset",      .gpio = 1 << 10 }, /* nvram get reset_gpio=10 */
 495                         { .name = "wps",        .gpio = 1 << 9 }, /* nvram get gpio9=wps_button */
 496                 },
 497                 .leds           = {
 498                         { .name = "power",      .gpio = 1 << 6, .polarity = REVERSE },
 499                         { .name = "wlan",       .gpio = 1 << 5, .polarity = NORMAL },
 500                         { .name = "ses_blue",   .gpio = 1 << 8, .polarity = NORMAL }, /* nvram get gpio8=wps_led */
 501                         { .name = "ses_orange", .gpio = 1 << 7, .polarity = NORMAL }, /* nvram get gpio7=wps_status_led */
 502                 },
 503         },
 504         [E3000V1] = {
 505                 .name           = "Linksys E3000 V1",
 506                 .buttons        = {
 507                         { .name = "reset",      .gpio = 1 << 6 },
 508                         { .name = "ses",        .gpio = 1 << 4 },
 509                 },
 510                 .leds           = {
 511                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },   // Power LED
 512                         { .name = "usb",        .gpio = 1 << 7, .polarity = NORMAL },   // USB LED
 513                         { .name = "ses_amber",  .gpio = 1 << 0, .polarity = REVERSE },  // WiFi protected setup LED amber
 514                         { .name = "ses_blue",   .gpio = 1 << 3, .polarity = REVERSE },  // WiFi protected setup LED blue
 515                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },   // Wireless LED
 516                 },
 517         },
 518         [E3200V1] = {
 519                 .name           = "Linksys E3200 V1",
 520                 .buttons        = {
 521                         /* { .name = "switch",  .gpio = 1 << 4 },*/     /* nvram get gpio4=robo_reset */
 522                         { .name = "reset",      .gpio = 1 << 5 },       /* nvram get reset_gpio=5 */
 523                         { .name = "wps",        .gpio = 1 << 8 },       /* nvram get gpio8=wps_button */
 524                         /* { .name = "wombo",   .gpio = 1 << 23 },*/    /* nvram get gpio23=wombo_reset - wireless on motherboard */
 525                 },
 526                 .leds   = {
 527                         { .name = "power",      .gpio = 1 << 3, .polarity = REVERSE },  /* Power LED */
 528                 },
 529         },
 530         [E4200V1] = {
 531                 .name           = "Linksys E4200 V1",
 532                 .buttons        = {
 533                         { .name = "reset",      .gpio = 1 << 6 },
 534                         { .name = "wps",        .gpio = 1 << 4 },
 535                 },
 536                 .leds   = {
 537                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 538                 },
 539         },
 540         /* Asus */
 541         [WLHDD] = {
 542                 .name           = "ASUS WL-HDD",
 543                 .buttons        = {
 544                         { .name = "reset",      .gpio = 1 << 6 },
 545                 },
 546                 .leds           = {
 547                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 548                         { .name = "usb",        .gpio = 1 << 2, .polarity = REVERSE },
 549                 },
 550         },
 551         [WL300G] = {
 552                 .name           = "ASUS WL-300g",
 553                 .buttons        = {
 554                         { .name = "reset",      .gpio = 1 << 6 },
 555                 },
 556                 .leds           = {
 557                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 558                 },
 559         },
 560         [WL320GE] = {
 561                 .name           = "ASUS WL-320gE/WL-320gP",
 562                 .buttons        = {
 563                         { .name = "reset",      .gpio = 1 << 6 },
 564                 },
 565                 .leds           = {
 566                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 567                         { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
 568                         { .name = "link",       .gpio = 1 << 11, .polarity = REVERSE },
 569                 },
 570         },
 571         [WL330GE] = {
 572                 .name           = "ASUS WL-330gE",
 573                 .buttons        = {
 574                         { .name = "reset",      .gpio = 1 << 2 },
 575                 },
 576                 .leds           = {
 577                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 578                 },
 579         },
 580         [WL500G] = {
 581                 .name           = "ASUS WL-500g",
 582                 .buttons        = {
 583                         { .name = "reset",      .gpio = 1 << 6 },
 584                 },
 585                 .leds           = {
 586                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 587                 },
 588         },
 589         [WL500GD] = {
 590                 .name           = "ASUS WL-500g Deluxe",
 591                 .buttons        = {
 592                         { .name = "reset",      .gpio = 1 << 6 },
 593                 },
 594                 .leds           = {
 595                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 596                 },
 597         },
 598         [WL500GP] = {
 599                 .name           = "ASUS WL-500g Premium",
 600                 .buttons        = {
 601                         { .name = "reset",      .gpio = 1 << 0 },
 602                         { .name = "ses",        .gpio = 1 << 4 },
 603                 },
 604                 .leds           = {
 605                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 606                 },
 607         },
 608         [WL500GPV2] = {
 609                 .name           = "ASUS WL-500g Premium V2",
 610                 .buttons        = {
 611                         { .name = "reset",      .gpio = 1 << 2 },
 612                         { .name = "ses",        .gpio = 1 << 3 },
 613                 },
 614                 .leds           = {
 615                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 616                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 617                 },
 618         },
 619         [WL500W] = {
 620                 .name           = "ASUS WL-500W",
 621                 .buttons        = {
 622                         { .name = "reset",      .gpio = 1 << 6 },
 623                         { .name = "ses",        .gpio = 1 << 7 },
 624                 },
 625                 .leds           = {
 626                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 627                 },
 628         },
 629         [WL520GC] = {
 630                 .name           = "ASUS WL-520GC",
 631                 .buttons        = {
 632                         { .name = "reset",      .gpio = 1 << 2 },
 633                         { .name = "ses",        .gpio = 1 << 3 },
 634                 },
 635                 .leds           = {
 636                 { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 637                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 638                 },
 639         },
 640         [WL520GU] = {
 641                 .name           = "ASUS WL-520gU",
 642                 .buttons        = {
 643                         { .name = "reset",      .gpio = 1 << 2 },
 644                         { .name = "ses",        .gpio = 1 << 3 },
 645                 },
 646                 .leds           = {
 647                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 648                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 649                 },
 650         },
 651         [ASUS_4702] = {
 652                 .name           = "ASUS (unknown, BCM4702)",
 653                 .buttons        = {
 654                         { .name = "reset",      .gpio = 1 << 6 },
 655                 },
 656                 .leds           = {
 657                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 658                 },
 659         },
 660         [WL700GE] = {
 661                 .name           = "ASUS WL-700gE",
 662                 .buttons        = {
 663                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 664                         { .name = "ses",        .gpio = 1 << 4 }, // on back, actual name ezsetup
 665                         { .name = "power",      .gpio = 1 << 0 }, // on front
 666                         { .name = "copy",       .gpio = 1 << 6 }, // on front
 667                 },
 668                 .leds           = {
 669 #if 0
 670                         // GPIO that controls power led also enables/disables some essential functions
 671                         // - power to HDD
 672                         // - switch leds
 673                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },  // actual name power
 674 #endif
 675                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 676                 },
 677                 .platform_init = bcm4780_init,
 678         },
 679         [RTN12] = {
 680                 .name           = "ASUS RT-N12",
 681                 .buttons        = {
 682                         { .name = "wps",        .gpio = 1 << 0 },
 683                         { .name = "reset",      .gpio = 1 << 1 },
 684                         // this is the router/repeater/ap switch
 685                         { .name = "sw1",        .gpio = 1 << 4 },
 686                         { .name = "sw2",        .gpio = 1 << 5 },
 687                         { .name = "sw3",        .gpio = 1 << 6 },
 688                 },
 689                 .leds           = {
 690                         { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
 691                         { .name = "wlan",       .gpio = 1 << 7, .polarity = NORMAL },
 692                         // gpio3 forces WAN and LAN1-4 all on
 693                         //{ .name = "eth",      .gpio = 1 << 3, .polarity = REVERSE },
 694                 },
 695         },
 696         [RTN16] = {
 697                 .name           = "ASUS RT-N16",
 698                 .buttons        = {
 699                         { .name = "reset",      .gpio = 1 << 8 },
 700                         { .name = "ses",        .gpio = 1 << 5 },
 701                 },
 702                 .leds           = {
 703                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 704                         { .name = "wlan",       .gpio = 1 << 7, .polarity = NORMAL },
 705                 },
 706         },
 707         [RTN66U] = {
 708                 .name           = "ASUS RT-N66U",
 709                 .buttons        = {
 710                         { .name = "reset",      .gpio = 1 << 9 },
 711                         { .name = "wps",        .gpio = 1 << 4 },
 712                 },
 713                 .leds           = {
 714                         { .name = "power",      .gpio = 1 << 12, .polarity = REVERSE },
 715                         { .name = "usb",        .gpio = 1 << 15, .polarity = REVERSE },
 716                 },
 717         },
 718         /* Buffalo */
 719         [WHR_G54S] = {
 720                 .name           = "Buffalo WHR-G54S",
 721                 .buttons        = {
 722                         { .name = "reset",      .gpio = 1 << 4 },
 723                         { .name = "bridge",     .gpio = 1 << 5 },
 724                         { .name = "ses",        .gpio = 1 << 0 },
 725                 },
 726                 .leds           = {
 727                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 728                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 729                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 730                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 731                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 732                 },
 733         },
 734         [WBR2_G54] = {
 735                 .name           = "Buffalo WBR2-G54",
 736                 /* FIXME: verify */
 737                 .buttons        = {
 738                         { .name = "reset",      .gpio = 1 << 7 },
 739                 },
 740                 .leds           = {
 741                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 742                 },
 743         },
 744         [WHR_HP_G54] = {
 745                 .name           = "Buffalo WHR-HP-G54",
 746                 .buttons        = {
 747                         { .name = "reset",      .gpio = 1 << 4 },
 748                         { .name = "bridge",     .gpio = 1 << 5 },
 749                         { .name = "ses",        .gpio = 1 << 0 },
 750                 },
 751                 .leds           = {
 752                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 753                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 754                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 755                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 756                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 757                 },
 758         },
 759         [WHR_G125] = {
 760                 .name           = "Buffalo WHR-G125",
 761                 .buttons        = {
 762                         { .name = "reset",      .gpio = 1 << 4 },
 763                         { .name = "bridge",     .gpio = 1 << 5 },
 764                         { .name = "ses",        .gpio = 1 << 0 },
 765                 },
 766                 .leds           = {
 767                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 768                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 769                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 770                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 771                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 772                 },
 773         },
 774         [WHR2_A54G54] = {
 775                 .name           = "Buffalo WHR2-A54G54",
 776                 .buttons        = {
 777                         { .name = "reset",      .gpio = 1 << 4 },
 778                 },
 779                 .leds           = {
 780                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 781                 },
 782         },
 783         [WLA2_G54L] = {
 784                 .name           = "Buffalo WLA2-G54L",
 785                 /* FIXME: verify */
 786                 .buttons        = {
 787                         { .name = "reset",      .gpio = 1 << 7 },
 788                 },
 789                 .leds           = {
 790                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 791                 },
 792         },
 793         [WZR_G300N] = {
 794                 .name           = "Buffalo WZR-G300N",
 795                 .buttons        = {
 796                         { .name = "reset",      .gpio = 1 << 4 },
 797                 },
 798                 .leds           = {
 799                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 800                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 801                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 802                 },
 803         },
 804         [WZR_RS_G54] = {
 805                 .name           = "Buffalo WZR-RS-G54",
 806                 .buttons        = {
 807                         { .name = "ses",        .gpio = 1 << 0 },
 808                         { .name = "reset",      .gpio = 1 << 4 },
 809                 },
 810                 .leds           = {
 811                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 812                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 813                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 814                 },
 815         },
 816         [WZR_RS_G54HP] = {
 817                 .name           = "Buffalo WZR-RS-G54HP",
 818                 .buttons        = {
 819                         { .name = "ses",        .gpio = 1 << 0 },
 820                         { .name = "reset",      .gpio = 1 << 4 },
 821                 },
 822                 .leds           = {
 823                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 824                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 825                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 826                 },
 827         },
 828         [BUFFALO_UNKNOWN_4710] = {
 829                 .name           = "Buffalo (unknown, BCM4710)",
 830                 .buttons        = {
 831                         { .name = "reset",      .gpio = 1 << 4 },
 832                 },
 833                 .leds           = {
 834                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 835                 },
 836         },
 837         /* Siemens */
 838         [SE505V1] = {
 839                 .name           = "Siemens SE505 V1",
 840                 .buttons        = {
 841                         /* No usable buttons */
 842                 },
 843                 .leds           = {
 844 //                      { .name = "power",      .gpio = 1 << 0  .polarity = REVERSE },  // Usable when retrofitting D26 (?)
 845                         { .name = "dmz",        .gpio = 1 << 4, .polarity = REVERSE },  // actual name WWW
 846                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 847                 },
 848         },
 849         [SE505V2] = {
 850                 .name           = "Siemens SE505 V2",
 851                 .buttons        = {
 852                         /* No usable buttons */
 853                 },
 854                 .leds           = {
 855                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 856                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },  // actual name WWW
 857                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 858                 },
 859         },
 860         /* US Robotics */
 861         [USR5461] = {
 862                 .name           = "U.S. Robotics USR5461",
 863                 .buttons        = {
 864                         /* No usable buttons */
 865                 },
 866                 .leds           = {
 867                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 868                         { .name = "printer",    .gpio = 1 << 1, .polarity = REVERSE },
 869                 },
 870         },
 871         /* Dell */
 872         [TM2300] = {
 873                 .name           = "Dell TrueMobile 2300",
 874                 .buttons        = {
 875                         { .name = "reset",      .gpio = 1 << 0 },
 876                 },
 877                 .leds           = {
 878                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 879                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 880                 },
 881         },
 882         [TM2300V2] = {
 883                 .name           = "Dell TrueMobile 2300 v2",
 884                 .buttons        = {
 885                         { .name = "reset",      .gpio = 1 << 0 },
 886                 },
 887                 .leds           = {
 888                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 889                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 890                 },
 891         },
 892         /* Motorola */
 893         [WE800G] = {
 894                 .name           = "Motorola WE800G",
 895                 .buttons        = {
 896                         { .name = "reset",      .gpio = 1 << 0 },
 897                 },
 898                 .leds           = {
 899                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 900                         { .name = "diag",       .gpio = 1 << 2, .polarity = REVERSE },
 901                         { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
 902                 },
 903         },
 904         [WR850GV1] = {
 905                 .name           = "Motorola WR850G V1",
 906                 .buttons        = {
 907                         { .name = "reset",      .gpio = 1 << 0 },
 908                 },
 909                 .leds           = {
 910                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 911                         { .name = "diag",       .gpio = 1 << 3, .polarity = REVERSE },
 912                         { .name = "dmz",        .gpio = 1 << 6, .polarity = NORMAL },
 913                         { .name = "wlan_red",   .gpio = 1 << 5, .polarity = REVERSE },
 914                         { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
 915                 },
 916         },
 917         [WR850GV2V3] = {
 918                 .name           = "Motorola WR850G V2/V3",
 919                 .buttons        = {
 920                         { .name = "reset",      .gpio = 1 << 5 },
 921                 },
 922                 .leds           = {
 923                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 924                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 925                         { .name = "wan",        .gpio = 1 << 6, .polarity = INPUT },
 926                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 927                 },
 928         },
 929         [WR850GP] = {
 930                 .name           = "Motorola WR850GP",
 931                 .buttons        = {
 932                         { .name = "reset",      .gpio = 1 << 5 },
 933                 },
 934                 .leds           = {
 935                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 936                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 937                         { .name = "dmz",        .gpio = 1 << 6, .polarity = REVERSE },
 938                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 939                 },
 940         },
 941
 942         /* Belkin */
 943         [BELKIN_UNKNOWN] = {
 944                 .name           = "Belkin (unknown)",
 945                 /* FIXME: verify & add detection */
 946                 .buttons        = {
 947                         { .name = "reset",      .gpio = 1 << 7 },
 948                 },
 949                 .leds           = {
 950                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },
 951                         { .name = "wlan",       .gpio = 1 << 3, .polarity = NORMAL },
 952                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
 953                 },
 954         },
 955         [BELKIN_F7D4301] = {
 956                 .name           = "Belkin PlayMax F7D4301",
 957                 .buttons        = {
 958                         { .name = "reset",      .gpio = 1 << 6 },
 959                         { .name = "wps",        .gpio = 1 << 8 },
 960                 },
 961                 .leds           = {
 962                         { .name = "power",      .gpio = 1 << 11, .polarity = REVERSE },
 963                         { .name = "wlan",       .gpio = 1 << 13, .polarity = REVERSE },
 964                         { .name = "led0",       .gpio = 1 << 14, .polarity = REVERSE },
 965                         { .name = "led1",       .gpio = 1 << 15, .polarity = REVERSE },
 966                 },
 967         },
 968         /* Netgear */
 969         [WGT634U] = {
 970                 .name           = "Netgear WGT634U",
 971                 .buttons        = {
 972                         { .name = "reset",      .gpio = 1 << 2 },
 973                 },
 974                 .leds           = {
 975                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
 976                 },
 977         },
 978         /* Netgear */
 979         [WNR834BV1] = {
 980                 .name           = "Netgear WNR834B V1",
 981                 .buttons        = { /* TODO: add reset button and confirm LEDs - GPIO from dd-wrt */ },
 982                 .leds           = {
 983                         { .name = "power",      .gpio = 1 << 4, .polarity = REVERSE },
 984                         { .name = "diag",       .gpio = 1 << 5, .polarity = REVERSE },
 985                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 986                 },
 987         },
 988         /* Netgear */
 989         [WNR834BV2] = {
 990                 .name           = "Netgear WNR834B V2",
 991                 .buttons        = {
 992                         { .name = "reset",      .gpio = 1 << 6 },
 993                 },
 994                 .leds           = {
 995                         { .name = "power",      .gpio = 1 << 2, .polarity = NORMAL },
 996                         { .name = "diag",       .gpio = 1 << 3, .polarity = NORMAL },
 997                         { .name = "connected",  .gpio = 1 << 7, .polarity = NORMAL },
 998                 },
 999         },
1000         [WNDR3400V1] = {
1001                 .name           = "Netgear WNDR3400 V1",
1002                 .buttons        = {
1003                         /* nvram get gpio5=robo_reset */
1004                         { .name = "reset",      .gpio = 1 << 4 },
1005                         { .name = "wps",        .gpio = 1 << 6 },
1006                         { .name = "wlan",       .gpio = 1 << 8 },
1007                 },
1008                 .leds           = {
1009                         { .name = "wlan",       .gpio = 0 << 0, .polarity = NORMAL },
1010                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
1011                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
1012                         { .name = "diag",       .gpio = 1 << 7, .polarity = NORMAL },
1013                         { .name = "usb",        .gpio = 1 << 2, .polarity = REVERSE },
1014                 },
1015         },
1016         [WNDR3700V3] = {
1017                 .name           = "Netgear WNDR3700 V3",
1018                 .buttons        = {
1019                         /* { .name = "usb",     .gpio = 1 << 1 }, */ /* this button doesn't seem to exist. */
1020                         { .name = "wlan",       .gpio = 1 << 2 },
1021                         { .name = "reset",      .gpio = 1 << 3 },
1022                         { .name = "wps",        .gpio = 1 << 4 },
1023                         /* { .name = "switch",  .gpio = 1 << 5 },*/     /* nvram get gpio5=robo_reset */
1024                 },
1025                 .leds           = {
1026                         { .name = "power",      .gpio = (1 << 0) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1027                         { .name = "diag",       .gpio = (1 << 1) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1028                         /* WAN LED doesn't respond to GPIO control. The switch is probably driving it.
1029                          * { .name = "wan",     .gpio = (1 << 2) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1030                          */
1031                         { .name = "wlan2g",     .gpio = (1 << 3) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1032                         { .name = "wlan5g",     .gpio = (1 << 4) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1033                         { .name = "usb",        .gpio = (1 << 5) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1034                         { .name = "wps",        .gpio = (1 << 6) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1035                         { .name = "wlan",       .gpio = (1 << 7) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
1036                 },
1037         },
1038         /* Trendware */
1039         [TEW411BRPP] = {
1040                 .name           = "Trendware TEW411BRP+",
1041                 .buttons        = {
1042                         { /* No usable buttons */ },
1043                 },
1044                 .leds           = {
1045                         { .name = "power",      .gpio = 1 << 7, .polarity = NORMAL },
1046                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },
1047                         { .name = "bridge",     .gpio = 1 << 6, .polarity = NORMAL },
1048                 },
1049         },
1050         /* SimpleTech */
1051         [STI_NAS] = {
1052                 .name      = "SimpleTech SimpleShare NAS",
1053                 .buttons        = {
1054                         { .name = "reset",      .gpio = 1 << 0 }, // Power button on back, named reset to enable failsafe.
1055                 },
1056                 .leds      = {
1057                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
1058                 },
1059                 .platform_init = bcm4780_init,
1060         },
1061         /* D-Link */
1062         [DIR130] = {
1063                 .name     = "D-Link DIR-130",
1064                 .buttons        = {
1065                         { .name = "reset",      .gpio = 1 << 3},
1066                         { .name = "reserved",   .gpio = 1 << 7},
1067                 },
1068                 .leds      = {
1069                         { .name = "diag",       .gpio = 1 << 0},
1070                         { .name = "blue",       .gpio = 1 << 6},
1071                 },
1072         },
1073         [DIR320] = {
1074                 .name     = "D-Link DIR-320",
1075                 .buttons        = {
1076                         { .name = "reserved",   .gpio = 1 << 6},
1077                         { .name = "reset",      .gpio = 1 << 7},
1078                 },
1079                 .leds      = {
1080                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
1081                         { .name = "diag",       .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
1082                         { .name = "red",        .gpio = 1 << 3, .polarity = REVERSE },
1083                         { .name = "blue",       .gpio = 1 << 4, .polarity = REVERSE },
1084                         { .name = "usb",        .gpio = 1 << 5, .polarity = NORMAL },
1085                 },
1086         },
1087         [DIR330] = {
1088                 .name     = "D-Link DIR-330",
1089                 .buttons        = {
1090                         { .name = "reset",      .gpio = 1 << 3},
1091                         { .name = "reserved",   .gpio = 1 << 7},
1092                 },
1093                 .leds      = {
1094                         { .name = "diag",       .gpio = 1 << 0},
1095                         { .name = "usb",        .gpio = 1 << 4},
1096                         { .name = "blue",       .gpio = 1 << 6},
1097                 },
1098         },
1099         [DWL3150] = {
1100                 .name   = "D-Link DWL-3150",
1101                 .buttons        = {
1102                         { .name = "reset",      .gpio = 1 << 7},
1103                 },
1104                 .leds     = {
1105                         { .name = "diag",       .gpio = 1 << 2},
1106                         { .name = "status",     .gpio = 1 << 1},
1107                 },
1108         },
1109         /* Double check */
1110         [WL105B] = {
1111                 .name   = "Sitecom WL-105b",
1112                 .buttons        = {
1113                         { .name = "reset",      .gpio = 1 << 10},
1114                 },
1115                 .leds     = {
1116                         { .name = "wlan",       .gpio = 1 << 4},
1117                         { .name = "power",      .gpio = 1 << 3},
1118                 },
1119         },
1120         /* Western Digital Net Center */
1121         [WDNetCenter] = {
1122                 .name   = "Western Digital NetCenter",
1123                 .buttons        = {
1124                         { .name = "power",      .gpio = 1 << 0},
1125                         { .name = "reset",      .gpio = 1 << 7},
1126                 },
1127                 .platform_init = NetCenter_init,
1128         },
1129         /* Askey (and clones) */
1130         [RT210W] = {
1131                 .name           = "Askey RT210W",
1132                 .buttons        = {
1133                         /* Power button is hard-wired to hardware reset */
1134                         /* but is also connected to GPIO 7 (probably for bootloader recovery)  */
1135                         { .name = "power",      .gpio = 1 << 7},
1136                 },
1137                 .leds           = {
1138                         /* These were verified and named based on Belkin F5D4230-4 v1112 */
1139                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
1140                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
1141                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
1142                 },
1143         },
1144         [WL1600GL] = {
1145                 .name           = "OvisLink WL-1600GL",
1146                 .buttons        = {
1147                         { .name = "reset",      .gpio = 1 << 3 },
1148                         { .name = "ses",        .gpio = 1 << 4 },
1149                 },
1150                 .leds           = {
1151                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
1152                         { .name = "wps",        .gpio = 1 << 2, .polarity = REVERSE },
1153                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
1154                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
1155                 },
1156         },
1157         /* Microsoft */
1158         [MN700] = {
1159                 .name   = "Microsoft MN-700",
1160                 .buttons        = {
1161                         { .name = "reset",      .gpio = 1 << 7 },
1162                 },
1163                 .leds     = {
1164                         { .name = "power",      .gpio = 1 << 6, .polarity = NORMAL },
1165                 },
1166         },
1167         /* Edimax */
1168         [PS1208MFG] = {
1169                 .name   = "Edimax PS-1208MFG",
1170                 .buttons        = {
1171                         { .name = "reset",      .gpio = 1 << 4 },
1172                 },
1173                 .leds     = {
1174                         { .name = "status",     .gpio = 1 << 1, .polarity = NORMAL },
1175                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
1176                 },
1177         },
1178         /* Huawei */
1179         [HUAWEI_E970] = {
1180                 .name           = "Huawei E970",
1181                 .buttons        = {
1182                         { .name = "reset",      .gpio = 1 << 6 },
1183                 },
1184                 .leds           = {
1185                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
1186                 },
1187         },
1188 };
1189
1190 static struct platform_t __init *platform_detect_legacy(void)
1191 {
1192         char *boardnum, *boardtype;
1193
1194         if (strcmp(getvar("nvram_type"), "cfe") == 0)
1195                 return &platforms[WGT634U];
1196
1197
1198         /* no easy model number, attempt to guess */
1199         boardnum = getvar("boardnum");
1200         boardtype = getvar("boardtype");
1201
1202         if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N  v1/V1.1 */
1203                 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
1204                         return &platforms[WRT600NV11];
1205
1206         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
1207                         return &platforms[WRT600N];
1208         }
1209
1210         if (startswith(getvar("pmon_ver"), "CFE")) {
1211                 /* CFE based - newer hardware */
1212                 if (!strcmp(boardnum, "42")) { /* Linksys */
1213                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
1214                                 return &platforms[WRT350N];
1215
1216                         if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
1217                                 return &platforms[WRT54G3G];
1218
1219                         /* default to WRT54G if no boot_hw_model is set */
1220                         if (nvram_get("boot_hw_model") == NULL)
1221                                 return &platforms[WRT54G];
1222                 }
1223                 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
1224                         return &platforms[WAP54GV2];
1225
1226                 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
1227                         return &platforms[WL1600GL];
1228
1229
1230                 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1231                         if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1232                                 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1233                 }
1234
1235                 if (!strcmp(boardnum, "10496"))
1236                         return &platforms[USR5461];
1237
1238                 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1239                         return &platforms[SE505V2];
1240
1241                 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1242                                 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1243                         return &platforms[DIR320];
1244
1245                 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1246                         return &platforms[WDNetCenter];
1247                 }
1248
1249                 if (!strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B  V1 and V2*/
1250                         if (!strcmp(boardnum, "08") || !strcmp(boardnum, "8"))
1251                                 return &platforms[WNR834BV1];
1252                         if (!strcmp(boardnum, "01") || !strcmp(boardnum, "1"))
1253                                 return &platforms[WNR834BV2];
1254                 }
1255
1256         } else { /* PMON based - old stuff */
1257                 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1258                         (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1259                         return &platforms[WR850GV1];
1260                 }
1261                 if (startswith(boardtype, "bcm94710dev")) {
1262                         if (!strcmp(boardnum, "42"))
1263                                 return &platforms[WRT54GV1];
1264                         if (simple_strtoul(boardnum, NULL, 0) == 2)
1265                                 return &platforms[WAP54GV1];
1266                 }
1267                 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1268                 if (startswith(getvar("hardware_version"), "WL500-")) {
1269                         if (!strcmp(getvar("boardnum"), "mn700"))
1270                                 return &platforms[MN700];
1271                         else
1272                                 return &platforms[WL500G];
1273                 }
1274                 /* Sitecom WL-105b */
1275                 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1276                         return &platforms[WL105B];
1277
1278                 /* unknown asus stuff, probably bcm4702 */
1279                 if (startswith(boardnum, "asusX"))
1280                         return &platforms[ASUS_4702];
1281
1282                 /* bcm4702 based Askey RT210W clones, Including:
1283                  * Askey RT210W (duh?)
1284                  * Siemens SE505v1
1285                  * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1286                  */
1287                 if (!strcmp(boardtype,"bcm94710r4")
1288                  && !strcmp(boardnum ,"100")
1289                  && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1290                    ){
1291                         return &platforms[RT210W];
1292                 }
1293         }
1294
1295         if (boardnum || !strcmp(boardnum, "00")) {/* probably buffalo */
1296                 if (startswith(boardtype, "bcm94710ap"))
1297                         return &platforms[BUFFALO_UNKNOWN_4710];
1298         }
1299
1300         if (startswith(getvar("CFEver"), "MotoWRv2") ||
1301                 startswith(getvar("CFEver"), "MotoWRv3") ||
1302                 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1303
1304                 return &platforms[WR850GV2V3];
1305         }
1306
1307         if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) {  /* Trendware TEW-411BRP+ */
1308                 return &platforms[TEW411BRPP];
1309         }
1310
1311         if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
1312                 return &platforms[STI_NAS];
1313
1314         if (!strcmp(boardnum, "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1315                 return &platforms[DWL3150];
1316
1317         if (!strcmp(boardnum, "01") && !strcmp(boardtype, "0x048e") && /* Edimax PS1208MFG */
1318                 !strcmp(getvar("status_gpio"), "1")) /* gpio based detection */
1319                 return &platforms[PS1208MFG];
1320
1321         /* not found */
1322         return NULL;
1323 }
1324
1325 static struct platform_t __init *platform_detect(void)
1326 {
1327         enum bcm47xx_board board;
1328         const char *board_name;
1329
1330
1331         board = bcm47xx_board_get();
1332         board_name = bcm47xx_board_get_name();
1333         if (board != BCM47XX_BOARD_UNKNOWN && board != BCM47XX_BOARD_NON)
1334                 printk(MODULE_NAME ": kernel found a \"%s\"\n", board_name);
1335
1336         switch(board) {
1337         case BCM47XX_BOARD_ASUS_RTN12:
1338                 return &platforms[RTN12];
1339         case BCM47XX_BOARD_ASUS_RTN16:
1340                 return &platforms[RTN16];
1341         case BCM47XX_BOARD_ASUS_RTN66U:
1342                 return &platforms[RTN66U];
1343         case BCM47XX_BOARD_ASUS_WL300G:
1344                 return &platforms[WL300G];
1345         case BCM47XX_BOARD_ASUS_WL320GE:
1346                 return &platforms[WL320GE];
1347         case BCM47XX_BOARD_ASUS_WL330GE:
1348                 return &platforms[WL330GE];
1349         case BCM47XX_BOARD_ASUS_WL500GD:
1350                 return &platforms[WL500GD];
1351         case BCM47XX_BOARD_ASUS_WL500GPV1:
1352                 return &platforms[WL500GP];
1353         case BCM47XX_BOARD_ASUS_WL500GPV2:
1354                 return &platforms[WL500GPV2];
1355         case BCM47XX_BOARD_ASUS_WL500W:
1356                 return &platforms[WL500W];
1357         case BCM47XX_BOARD_ASUS_WL520GC:
1358                 return &platforms[WL520GC];
1359         case BCM47XX_BOARD_ASUS_WL520GU:
1360                 return &platforms[WL520GU];
1361         case BCM47XX_BOARD_ASUS_WL700GE:
1362                 return &platforms[WL700GE];
1363         case BCM47XX_BOARD_ASUS_WLHDD:
1364                 return &platforms[WLHDD];
1365         case BCM47XX_BOARD_BELKIN_F7D4301:
1366                 return &platforms[BELKIN_F7D4301];
1367         case BCM47XX_BOARD_BUFFALO_WBR2_G54:
1368                 return &platforms[WBR2_G54];
1369         case BCM47XX_BOARD_BUFFALO_WHR2_A54G54:
1370                 return &platforms[WHR2_A54G54];
1371         case BCM47XX_BOARD_BUFFALO_WHR_G125:
1372                 return &platforms[WHR_G125];
1373         case BCM47XX_BOARD_BUFFALO_WHR_G54S:
1374                 return &platforms[WHR_G54S];
1375         case BCM47XX_BOARD_BUFFALO_WHR_HP_G54:
1376                 return &platforms[WHR_HP_G54];
1377         case BCM47XX_BOARD_BUFFALO_WLA2_G54L:
1378                 return &platforms[WLA2_G54L];
1379         case BCM47XX_BOARD_BUFFALO_WZR_G300N:
1380                 return &platforms[WZR_G300N];
1381         case BCM47XX_BOARD_BUFFALO_WZR_RS_G54:
1382                 return &platforms[WZR_RS_G54];
1383         case BCM47XX_BOARD_BUFFALO_WZR_RS_G54HP:
1384                 return &platforms[WZR_RS_G54HP];
1385         case BCM47XX_BOARD_DELL_TM2300:
1386                 return &platforms[TM2300];
1387         case BCM47XX_BOARD_DLINK_DIR130:
1388                 return &platforms[DIR130];
1389         case BCM47XX_BOARD_DLINK_DIR330:
1390                 return &platforms[DIR330];
1391         case BCM47XX_BOARD_HUAWEI_E970:
1392                 return &platforms[HUAWEI_E970];
1393         case BCM47XX_BOARD_LINKSYS_E1000V1:
1394                 return &platforms[E1000V1];
1395         case BCM47XX_BOARD_LINKSYS_E1000V21:
1396                 return &platforms[E1000V21];
1397         case BCM47XX_BOARD_LINKSYS_E3000V1:
1398                 return &platforms[E3000V1];
1399         case BCM47XX_BOARD_LINKSYS_E3200V1:
1400                 return &platforms[E3200V1];
1401         case BCM47XX_BOARD_LINKSYS_E4200V1:
1402                 return &platforms[E4200V1];
1403         case BCM47XX_BOARD_LINKSYS_WRT150NV1:
1404                 return &platforms[WRT150NV1];
1405         case BCM47XX_BOARD_LINKSYS_WRT150NV11:
1406                 return &platforms[WRT150NV11];
1407         case BCM47XX_BOARD_LINKSYS_WRT160NV1:
1408                 return &platforms[WRT160NV1];
1409         case BCM47XX_BOARD_LINKSYS_WRT160NV3:
1410                 return &platforms[WRT160NV3];
1411         case BCM47XX_BOARD_LINKSYS_WRT300NV11:
1412                 return &platforms[WRT300NV11];
1413         case BCM47XX_BOARD_LINKSYS_WRT310NV1:
1414                 return &platforms[WRT310NV1];
1415         case BCM47XX_BOARD_LINKSYS_WRT54G3GV2:
1416                 return &platforms[WRT54G3GV2_VF];
1417         case BCM47XX_BOARD_LINKSYS_WRT610NV1:
1418                 return &platforms[WRT610N];
1419         case BCM47XX_BOARD_LINKSYS_WRT610NV2:
1420                 return &platforms[WRT610NV2];
1421         case BCM47XX_BOARD_LINKSYS_WRTSL54GS:
1422                 return &platforms[WRTSL54GS];
1423         case BCM47XX_BOARD_MOTOROLA_WE800G:
1424                 return &platforms[WE800G];
1425         case BCM47XX_BOARD_MOTOROLA_WR850GP:
1426                 return &platforms[WR850GP];
1427         case BCM47XX_BOARD_MOTOROLA_WR850GV2V3:
1428                 return &platforms[WR850GV2V3];
1429         case BCM47XX_BOARD_NETGEAR_WNDR3400V1:
1430                 return &platforms[WNDR3400V1];
1431         case BCM47XX_BOARD_NETGEAR_WNDR3700V3:
1432                 return &platforms[WNDR3700V3];
1433         case BCM47XX_BOARD_UNKNOWN:
1434         case BCM47XX_BOARD_NON:
1435                 printk(MODULE_NAME ": unknown board found, try legacy detect\n");
1436                 printk(MODULE_NAME ": please open a ticket at https://dev.openwrt.org and attach the complete nvram\n");
1437                 return platform_detect_legacy();
1438         default:
1439                 printk(MODULE_NAME ": board was detected as \"%s\", but not gpio configuration available\n", board_name);
1440                 printk(MODULE_NAME ": now trying legacy detect\n");
1441                 return platform_detect_legacy();
1442         }
1443 }
1444
1445 static inline void ssb_maskset32(struct ssb_device *dev,
1446                                   u16 offset, u32 mask, u32 set)
1447 {
1448         ssb_write32(dev, offset, (ssb_read32(dev, offset) & mask) | set);
1449 }
1450
1451 static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
1452 {
1453         int irq;
1454         int err;
1455
1456         irq = gpio_to_irq(0);
1457         if (irq < 0) {
1458                 pr_err("no irq for gpio available\n");
1459                 return;
1460         }
1461
1462         if (enabled) {
1463                 err = request_irq(irq, handler, IRQF_SHARED, "gpio", handler);
1464                 if (err) {
1465                         pr_err("can not reqeust irq\n");
1466                         return;
1467                 }
1468         } else {
1469                 free_irq(irq, handler);
1470         }
1471
1472         switch (bcm47xx_bus_type) {
1473 #ifdef CONFIG_BCM47XX_SSB
1474         case BCM47XX_BUS_TYPE_SSB:
1475                 if (bcm47xx_bus.ssb.chipco.dev)
1476                         ssb_maskset32(bcm47xx_bus.ssb.chipco.dev, SSB_CHIPCO_IRQMASK, ~SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
1477                 break;
1478 #endif
1479 #ifdef CONFIG_BCM47XX_BCMA
1480         case BCM47XX_BUS_TYPE_BCMA:
1481                 if (bcm47xx_bus.bcma.bus.drv_cc.core)
1482                         bcma_maskset32(bcm47xx_bus.bcma.bus.drv_cc.core, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO, (enabled ? BCMA_CC_IRQ_GPIO : 0));
1483                 break;
1484 #endif
1485         }
1486 }
1487
1488 static void hotplug_button(struct work_struct *work)
1489 {
1490         struct event_t *event = container_of(work, struct event_t, wq);
1491         char *s;
1492
1493         event->skb = alloc_skb(2048, GFP_KERNEL);
1494
1495         s = skb_put(event->skb, strlen(event->action) + 2);
1496         sprintf(s, "%s@", event->action);
1497         fill_event(event);
1498
1499         NETLINK_CB(event->skb).dst_group = 1;
1500         broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
1501
1502         kfree(event);
1503 }
1504
1505 static irqreturn_t button_handler(int irq, void *dev_id)
1506 {
1507         struct button_t *b;
1508         u32 in, changed;
1509
1510         in = bcm47xx_gpio_in(~0) & platform.button_mask;
1511         bcm47xx_gpio_polarity(platform.button_mask, in);
1512         changed = platform.button_polarity ^ in;
1513         platform.button_polarity = in;
1514
1515         changed &= ~bcm47xx_gpio_outen(0, 0);
1516
1517         for (b = platform.buttons; b->name; b++) {
1518                 struct event_t *event;
1519
1520                 if (!(b->gpio & changed)) continue;
1521
1522                 b->pressed ^= 1;
1523
1524                 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1525                         event->seen = (jiffies - b->seen)/HZ;
1526                         event->name = b->name;
1527                         event->action = b->pressed ? "pressed" : "released";
1528                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1529                         schedule_work(&event->wq);
1530                 }
1531
1532                 b->seen = jiffies;
1533         }
1534         return IRQ_HANDLED;
1535 }
1536
1537 static void register_buttons(struct button_t *b)
1538 {
1539         for (; b->name; b++)
1540                 platform.button_mask |= b->gpio;
1541
1542         platform.button_mask &= ~gpiomask;
1543
1544         bcm47xx_gpio_outen(platform.button_mask, 0);
1545         bcm47xx_gpio_control(platform.button_mask, 0);
1546         platform.button_polarity = bcm47xx_gpio_in(~0) & platform.button_mask;
1547         bcm47xx_gpio_polarity(platform.button_mask, platform.button_polarity);
1548         bcm47xx_gpio_intmask(platform.button_mask, platform.button_mask);
1549
1550         gpio_set_irqenable(1, button_handler);
1551 }
1552
1553 static void unregister_buttons(struct button_t *b)
1554 {
1555         bcm47xx_gpio_intmask(platform.button_mask, 0);
1556
1557         gpio_set_irqenable(0, button_handler);
1558 }
1559
1560
1561 static void add_msg(struct event_t *event, char *msg, int argv)
1562 {
1563         char *s;
1564
1565         if (argv)
1566                 return;
1567
1568         s = skb_put(event->skb, strlen(msg) + 1);
1569         strcpy(s, msg);
1570 }
1571
1572 static int fill_event (struct event_t *event)
1573 {
1574         static char buf[128];
1575
1576         add_msg(event, "HOME=/", 0);
1577         add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1578         add_msg(event, "SUBSYSTEM=button", 0);
1579         snprintf(buf, 128, "ACTION=%s", event->action);
1580         add_msg(event, buf, 0);
1581         snprintf(buf, 128, "BUTTON=%s", event->name);
1582         add_msg(event, buf, 0);
1583         snprintf(buf, 128, "SEEN=%ld", event->seen);
1584         add_msg(event, buf, 0);
1585         snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1586         add_msg(event, buf, 0);
1587
1588         return 0;
1589 }
1590
1591 /*
1592  * This should be extended to allow the platform to specify the pins and width
1593  * of the shift register. They're hardcoded for now because only the WNDR3700v3
1594  * uses it.
1595  */
1596 static void shiftreg_output(unsigned int val)
1597 {
1598         unsigned int mask;
1599
1600         bcm47xx_gpio_out(SHIFTREG_DATA, SHIFTREG_DATA); /* init off, pull high */
1601         bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* init reset */
1602
1603         /* shift 8 times */
1604         for(mask = 1 << (SHIFTREG_MAX_BITS-1); mask; mask >>= 1)
1605         {
1606                 bcm47xx_gpio_out(SHIFTREG_DATA, (val & mask) ? SHIFTREG_DATA : 0);
1607                 bcm47xx_gpio_out(SHIFTREG_CLK, SHIFTREG_CLK); /* pull high to trigger */
1608                 bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* reset to low */
1609         }
1610 }
1611
1612 static void set_led_shift(struct led_t *led)
1613 {
1614         static u32      shiftreg = 0;
1615         u32                     old = shiftreg;
1616         u32                     pin = (led->gpio & ~GPIO_TYPE_MASK);
1617
1618         if (led->state) {
1619                 shiftreg |= pin;
1620         } else {
1621                 shiftreg &= ~pin;
1622         }
1623
1624         /* Clock the bits out. */
1625         if (shiftreg != old) {
1626                 shiftreg_output(shiftreg);
1627         }
1628 }
1629
1630 static void set_led_extif(struct led_t *led)
1631 {
1632         volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (led->gpio & ~GPIO_TYPE_MASK);
1633         if (led->state)
1634                 *addr = 0xFF;
1635         else
1636                 *addr;
1637 }
1638
1639
1640 static void led_flash(unsigned long dummy) {
1641         struct led_t *l;
1642         u32 mask = 0;
1643         u8 extif_blink = 0;
1644
1645         for (l = platform.leds; l->name; l++) {
1646                 if (!l->flash) continue;
1647                 switch (l->gpio & GPIO_TYPE_MASK) {
1648                 case GPIO_TYPE_EXTIF:
1649                         extif_blink = 1;
1650                         l->state = !l->state;
1651                         set_led_extif(l);
1652                         break;
1653                 case GPIO_TYPE_SHIFT:
1654                         extif_blink = 1;
1655                         l->state = !l->state;
1656                         set_led_shift(l);
1657                         break;
1658                 case GPIO_TYPE_NORMAL:
1659                 default:
1660                         mask |= l->gpio;
1661                         break;
1662                 }
1663         }
1664
1665         mask &= ~gpiomask;
1666         if (mask) {
1667                 u32 val = ~bcm47xx_gpio_in(~0);
1668
1669                 bcm47xx_gpio_outen(mask, mask);
1670                 bcm47xx_gpio_control(mask, 0);
1671                 bcm47xx_gpio_out(mask, val);
1672         }
1673         if (mask || extif_blink) {
1674                 mod_timer(&led_timer, jiffies + FLASH_TIME);
1675         }
1676 }
1677
1678 static int diag_led_show(struct seq_file *m, void *v)
1679 {
1680         struct led_t * led = m->private;
1681
1682         u8 p = (led->polarity == NORMAL ? 0 : 1);
1683         if (led->flash) {
1684                 return seq_printf(m, "f\n");
1685         } else if ((led->gpio & GPIO_TYPE_MASK) != GPIO_TYPE_NORMAL) {
1686                 return seq_printf(m, "%d\n", ((led->state ^ p) ? 1 : 0));
1687         } else {
1688                 u32 in = (bcm47xx_gpio_in(~0) & led->gpio ? 1 : 0);
1689                 return seq_printf(m, "%d\n", ((in ^ p) ? 1 : 0));
1690         }
1691 }
1692
1693 static int diag_led_open(struct inode *inode, struct file *file)
1694 {
1695         return single_open(file, diag_led_show, PDE_DATA(inode));
1696 }
1697
1698 static ssize_t diag_led_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1699 {
1700         struct led_t *led = PDE_DATA(file_inode(file));
1701         char cmd[5];
1702         size_t len;
1703         int p;
1704
1705         len = min(count, sizeof(cmd) - 1);
1706         if (copy_from_user(cmd, buf, len))
1707                 return -EFAULT;
1708
1709         cmd[len] = 0;
1710
1711         p = (led->polarity == NORMAL ? 0 : 1);
1712         if (cmd[0] == 'f') {
1713                 led->flash = 1;
1714                 led_flash(0);
1715         } else {
1716                 led->flash = 0;
1717                 if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_EXTIF) {
1718                         led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1719                         set_led_extif(led);
1720                 } else if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_SHIFT) {
1721                         led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1722                         set_led_shift(led);
1723                 } else {
1724                         bcm47xx_gpio_outen(led->gpio, led->gpio);
1725                         bcm47xx_gpio_control(led->gpio, 0);
1726                         bcm47xx_gpio_out(led->gpio, ((p ^ (cmd[0] == '1')) ? led->gpio : 0));
1727                 }
1728         }
1729         return count;
1730 }
1731
1732 static const struct file_operations diag_led_fops = {
1733         .open = diag_led_open,
1734         .read = seq_read,
1735         .llseek = seq_lseek,
1736         .write = diag_led_write
1737 };
1738
1739 static void register_leds(struct led_t *l)
1740 {
1741         struct proc_dir_entry *p;
1742         u32 mask = 0;
1743         u32 oe_mask = 0;
1744         u32 val = 0;
1745
1746         leds = proc_mkdir("led", diag);
1747         if (!leds)
1748                 return;
1749
1750         for(; l->name; l++) {
1751                 if (l->gpio & gpiomask)
1752                         continue;
1753
1754                 switch (l->gpio & GPIO_TYPE_MASK) {
1755                 case GPIO_TYPE_EXTIF:
1756                         l->state = 0;
1757                         set_led_extif(l);
1758                         break;
1759                 case GPIO_TYPE_SHIFT:
1760                         mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1761                         oe_mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1762                         l->state = (l->polarity != NORMAL);
1763                         set_led_shift(l);
1764                         break;
1765                 case GPIO_TYPE_NORMAL:
1766                 default:
1767                         if (l->polarity != INPUT) oe_mask |= l->gpio;
1768                         mask |= l->gpio;
1769                         val |= (l->polarity == NORMAL)?0:l->gpio;
1770                         break;
1771                 }
1772
1773                 if (l->polarity == INPUT) continue;
1774
1775                 p = proc_create_data(l->name, S_IRUSR, leds, &diag_led_fops, l);
1776         }
1777
1778         bcm47xx_gpio_outen(mask, oe_mask);
1779         bcm47xx_gpio_control(mask, 0);
1780         bcm47xx_gpio_out(mask, val);
1781         bcm47xx_gpio_intmask(mask, 0);
1782 }
1783
1784 static void unregister_leds(struct led_t *l)
1785 {
1786         for(; l->name; l++)
1787                 remove_proc_entry(l->name, leds);
1788
1789         remove_proc_entry("led", diag);
1790 }
1791
1792 static int diag_model_show(struct seq_file *m, void *v)
1793 {
1794         return seq_printf(m, "%s\n", platform.name);
1795 }
1796
1797 static int diag_model_open(struct inode *inode, struct file *file)
1798 {
1799         return single_open(file, diag_model_show, PDE_DATA(inode));
1800 }
1801
1802 static const struct file_operations diag_model_fops = {
1803         .open = diag_model_open,
1804         .read = seq_read,
1805         .llseek = seq_lseek
1806 };
1807
1808 static int diag_gpiomask_show(struct seq_file *m, void *v)
1809 {
1810         return seq_printf(m, "0x%04x\n", gpiomask);
1811 }
1812
1813 static int diag_gpiomask_open(struct inode *inode, struct file *file)
1814 {
1815         return single_open(file, diag_gpiomask_show, PDE_DATA(inode));
1816 }
1817
1818 static ssize_t diag_gpiomask_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1819 {
1820         int err = kstrtouint_from_user(buf, count, 0, &gpiomask);
1821         if (err)
1822                 return err;
1823
1824         if (platform.buttons) {
1825                 unregister_buttons(platform.buttons);
1826                 register_buttons(platform.buttons);
1827         }
1828
1829         if (platform.leds) {
1830                 unregister_leds(platform.leds);
1831                 register_leds(platform.leds);
1832         }
1833
1834         return count;
1835 }
1836
1837 static const struct file_operations diag_gpiomask_fops = {
1838         .open = diag_gpiomask_open,
1839         .read = seq_read,
1840         .llseek = seq_lseek,
1841         .write = diag_gpiomask_write
1842 };
1843
1844 static int __init diag_init(void)
1845 {
1846         static struct proc_dir_entry *p;
1847         static struct platform_t *detected;
1848
1849         detected = platform_detect();
1850         if (!detected) {
1851                 printk(MODULE_NAME ": Router model not detected.\n");
1852                 return -ENODEV;
1853         }
1854         memcpy(&platform, detected, sizeof(struct platform_t));
1855
1856         printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1857         if (platform.platform_init != NULL) {
1858                 platform.platform_init();
1859         }
1860
1861         if (!(diag = proc_mkdir("diag", NULL))) {
1862                 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1863                 return -EINVAL;
1864         }
1865
1866         p = proc_create("model", S_IRUSR, diag, &diag_model_fops);
1867         if (!p) {
1868                 remove_proc_entry("diag", NULL);
1869                 return -EINVAL;
1870         }
1871
1872         p = proc_create("gpiomask", S_IRUSR | S_IWUSR, diag, &diag_gpiomask_fops);
1873         if (!p) {
1874                 remove_proc_entry("model", diag);
1875                 remove_proc_entry("diag", NULL);
1876                 return -EINVAL;
1877         }
1878
1879         if (platform.buttons)
1880                 register_buttons(platform.buttons);
1881
1882         if (platform.leds)
1883                 register_leds(platform.leds);
1884
1885         return 0;
1886 }
1887
1888 static void __exit diag_exit(void)
1889 {
1890         del_timer(&led_timer);
1891
1892         if (platform.buttons)
1893                 unregister_buttons(platform.buttons);
1894
1895         if (platform.leds)
1896                 unregister_leds(platform.leds);
1897
1898         remove_proc_entry("model", diag);
1899         remove_proc_entry("gpiomask", diag);
1900         remove_proc_entry("diag", NULL);
1901 }
1902
1903 module_init(diag_init);
1904 module_exit(diag_exit);
1905
1906 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1907 MODULE_LICENSE("GPL");