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