package/kernel/broadcom-diag/src/diag.c

   1 /*
   2  * diag.c - GPIO interface driver for Broadcom boards
   3  *
   4  * Copyright (C) 2006 Mike Baker <mbm@openwrt.org>,
   5  * Copyright (C) 2006-2007 Felix Fietkau <nbd@openwrt.org>
   6  * Copyright (C) 2008 Andy Boyett <agb@openwrt.org>
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; either version 2
  11  * of the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21  *
  22  */
  23 #include <linux/module.h>
  24 #include <linux/pci.h>
  25 #include <linux/kmod.h>
  26 #include <linux/proc_fs.h>
  27 #include <linux/timer.h>
  28 #include <linux/version.h>
  29 #include <asm/uaccess.h>
  30 #include <linux/workqueue.h>
  31 #include <linux/skbuff.h>
  32 #include <linux/netlink.h>
  33 #include <linux/kobject.h>
  34 #include <net/sock.h>
  35 #include <bcm47xx_board.h>
  36 extern u64 uevent_next_seqnum(void);
  37
  38 #include "gpio.h"
  39 #include "diag.h"
  40 #define getvar(str) (nvram_get(str)?:"")
  41
  42 static inline int startswith (char *source, char *cmp) { return !strncmp(source,cmp,strlen(cmp)); }
  43 static int fill_event(struct event_t *);
  44 static unsigned int gpiomask = 0;
  45 module_param(gpiomask, int, 0644);
  46
  47 extern char *nvram_get(char *str);
  48 static void led_flash(unsigned long dummy);
  49
  50 static struct platform_t platform;
  51
  52 static struct timer_list led_timer = TIMER_INITIALIZER(&led_flash, 0, 0);
  53
  54 static struct proc_dir_entry *diag, *leds;
  55
  56 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0)
  57 static inline struct inode *file_inode(struct file *f)
  58 {
  59         return f->f_path.dentry->d_inode;
  60 }
  61 #endif
  62
  63 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0)
  64 static inline void *PDE_DATA(const struct inode *inode)
  65 {
  66         return PDE(inode)->data;
  67 }
  68 #endif
  69
  70
  71 enum {
  72         /* Linksys */
  73         WAP54GV1,
  74         WAP54GV2,
  75         WAP54GV3,
  76         WRT54GV1,
  77         WRT54G,
  78         WRTSL54GS,
  79         WRT54G3G,
  80         WRT54G3GV2_VF,
  81         WRT150NV1,
  82         WRT150NV11,
  83         WRT160NV1,
  84         WRT160NV3,
  85         WRT300NV11,
  86         WRT350N,
  87         WRT600N,
  88         WRT600NV11,
  89         WRT610N,
  90         WRT610NV2,
  91         E1000V1,
  92         E3000V1,
  93         E3200V1,
  94
  95         /* ASUS */
  96         WLHDD,
  97         WL300G,
  98         WL320GE,
  99         WL330GE,
 100         WL500G,
 101         WL500GD,
 102         WL500GP,
 103         WL500GPV2,
 104         WL500W,
 105         WL520GC,
 106         WL520GU,
 107         ASUS_4702,
 108         WL700GE,
 109         RTN16,
 110
 111         /* Buffalo */
 112         WBR2_G54,
 113         WHR_G54S,
 114         WHR_HP_G54,
 115         WHR_G125,
 116         WHR2_A54G54,
 117         WLA2_G54L,
 118         WZR_G300N,
 119         WZR_RS_G54,
 120         WZR_RS_G54HP,
 121         BUFFALO_UNKNOWN,
 122         BUFFALO_UNKNOWN_4710,
 123
 124         /* Siemens */
 125         SE505V1,
 126         SE505V2,
 127
 128         /* US Robotics */
 129         USR5461,
 130
 131         /* Dell */
 132         TM2300,
 133         TM2300V2,
 134
 135         /* Motorola */
 136         WE800G,
 137         WR850GV1,
 138         WR850GV2V3,
 139         WR850GP,
 140
 141         /* Belkin */
 142         BELKIN_UNKNOWN,
 143         BELKIN_F7D4301,
 144
 145         /* Netgear */
 146         WGT634U,
 147         WNR834BV1,
 148         WNR834BV2,
 149         WNDR3400V1,
 150         WNDR3700V3,
 151
 152         /* Trendware */
 153         TEW411BRPP,
 154
 155         /* SimpleTech */
 156         STI_NAS,
 157
 158         /* D-Link */
 159         DIR130,
 160         DIR320,
 161         DIR330,
 162         DWL3150,
 163
 164         /* Sitecom */
 165         WL105B,
 166
 167         /* Western Digital */
 168         WDNetCenter,
 169
 170         /* Askey */
 171         RT210W,
 172
 173         /* OvisLink */
 174         WL1600GL,
 175
 176         /* Microsoft */
 177         MN700,
 178
 179         /* Edimax */
 180         PS1208MFG,
 181 };
 182
 183 static void __init bcm4780_init(void) {
 184                 int pin = 1 << 3;
 185
 186                 /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
 187                 printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
 188                 bcm47xx_gpio_outen(pin, pin);
 189                 bcm47xx_gpio_control(pin, 0);
 190                 bcm47xx_gpio_out(pin, pin);
 191
 192                 /* Wait 5s, so the HDD can spin up */
 193                 set_current_state(TASK_INTERRUPTIBLE);
 194                 schedule_timeout(HZ * 5);
 195 }
 196
 197 static void __init NetCenter_init(void) {
 198                 /* unset pin 6 (+12V) */
 199                 int pin = 1 << 6;
 200                 bcm47xx_gpio_outen(pin, pin);
 201                 bcm47xx_gpio_control(pin, 0);
 202                 bcm47xx_gpio_out(pin, pin);
 203                 /* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
 204                 pin = 1 << 1;
 205                 bcm47xx_gpio_outen(pin, pin);
 206                 bcm47xx_gpio_control(pin, 0);
 207                 bcm47xx_gpio_out(pin, pin);
 208                 /* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
 209                 bcm4780_init();
 210 }
 211
 212 static void __init bcm57xx_init(void) {
 213         int pin = 1 << 2;
 214
 215         /* FIXME: switch comes up, but port mappings/vlans not right */
 216         bcm47xx_gpio_outen(pin, pin);
 217         bcm47xx_gpio_control(pin, 0);
 218         bcm47xx_gpio_out(pin, pin);
 219 }
 220
 221 static struct platform_t __initdata platforms[] = {
 222         /* Linksys */
 223         [WAP54GV1] = {
 224                 .name           = "Linksys WAP54G V1",
 225                 .buttons        = {
 226                         { .name = "reset",      .gpio = 1 << 0 },
 227                 },
 228                 .leds           = {
 229                         { .name = "diag",       .gpio = 1 << 3 },
 230                         { .name = "wlan",       .gpio = 1 << 4 },
 231                 },
 232         },
 233         [WAP54GV2] = {
 234                 .name           = "Linksys WAP54G V2",
 235                 .buttons        = {
 236                         { .name = "reset",      .gpio = 1 << 0 },
 237                 },
 238                 .leds           = {
 239                         { .name = "wlan",       .gpio = 1 << 5, .polarity = REVERSE },
 240                         /* GPIO 6 is b44 (eth0, LAN) PHY power */
 241                 },
 242         },
 243         [WAP54GV3] = {
 244                 .name           = "Linksys WAP54G V3",
 245                 .buttons        = {
 246                         /* FIXME: verify this */
 247                         { .name = "reset",      .gpio = 1 << 7 },
 248                         { .name = "ses",        .gpio = 1 << 0 },
 249                 },
 250                 .leds           = {
 251                         /* FIXME: diag? */
 252                         { .name = "ses",        .gpio = 1 << 1 },
 253                 },
 254         },
 255         [WRT54GV1] = {
 256                 .name           = "Linksys WRT54G V1.x",
 257                 .buttons        = {
 258                         { .name = "reset",      .gpio = 1 << 6 },
 259                 },
 260                 .leds           = {
 261                         { .name = "diag",       .gpio = 0x13 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 262                         { .name = "dmz",        .gpio = 0x12 | GPIO_TYPE_EXTIF, .polarity = NORMAL },
 263                 },
 264         },
 265         [WRT54G] = {
 266                 .name           = "Linksys WRT54G/GS/GL",
 267                 .buttons        = {
 268                         { .name = "reset",      .gpio = 1 << 6 },
 269                         { .name = "ses",        .gpio = 1 << 4 },
 270                 },
 271                 .leds           = {
 272                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 273                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 274                         { .name = "ses_white",  .gpio = 1 << 2, .polarity = REVERSE },
 275                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 276                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 277                 },
 278         },
 279         [WRTSL54GS] = {
 280                 .name           = "Linksys WRTSL54GS",
 281                 .buttons        = {
 282                         { .name = "reset",      .gpio = 1 << 6 },
 283                         { .name = "ses",        .gpio = 1 << 4 },
 284                 },
 285                 .leds           = {
 286                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 287                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },
 288                         { .name = "ses_white",  .gpio = 1 << 5, .polarity = REVERSE },
 289                         { .name = "ses_orange", .gpio = 1 << 7, .polarity = REVERSE },
 290                 },
 291         },
 292         [WRT54G3G] = {
 293                 .name           = "Linksys WRT54G3G",
 294                 .buttons        = {
 295                         { .name = "reset",      .gpio = 1 << 6 },
 296                         { .name = "3g",         .gpio = 1 << 4 },
 297                 },
 298                 .leds           = {
 299                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 300                         { .name = "dmz",        .gpio = 1 << 7, .polarity = REVERSE },
 301                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 302                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 303                         { .name = "3g_blink",   .gpio = 1 << 5, .polarity = NORMAL },
 304                 },
 305         },
 306         [WRT54G3GV2_VF] = {
 307                 .name           = "Linksys WRT54G3GV2-VF",
 308                 .buttons        = {
 309                         { .name = "reset",      .gpio = 1 << 6 },
 310                         { .name = "3g",         .gpio = 1 << 5 },
 311                 },
 312                 .leds           = {
 313                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 314                         { .name = "3g_green",   .gpio = 1 << 2, .polarity = NORMAL },
 315                         { .name = "3g_blue",    .gpio = 1 << 3, .polarity = NORMAL },
 316                 },
 317         },
 318         [WRT150NV1] = {
 319                 .name           = "Linksys WRT150N V1",
 320                 .buttons        = {
 321                         { .name = "reset",      .gpio = 1 << 6 },
 322                         { .name = "ses",        .gpio = 1 << 4 },
 323                 },
 324                 .leds           = {
 325                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 326                         { .name = "ses_green",  .gpio = 1 << 5, .polarity = REVERSE },
 327                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
 328                 },
 329         },
 330         [WRT150NV11] = {
 331                 .name           = "Linksys WRT150N V1.1",
 332                 .buttons        = {
 333                         { .name = "reset",      .gpio = 1 << 6 },
 334                         { .name = "ses",        .gpio = 1 << 4 },
 335                 },
 336                 .leds           = {
 337                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 338                         { .name = "ses_green",  .gpio = 1 << 5, .polarity = REVERSE },
 339                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE },
 340                 },
 341         },
 342         [WRT160NV1] = {
 343                 .name           = "Linksys WRT160N v1.x",
 344                 .buttons        = {
 345                         { .name = "reset",      .gpio = 1 << 6 },
 346                         { .name = "ses",        .gpio = 1 << 4 },
 347                 },
 348                 .leds           = {
 349                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 350                         { .name = "ses_blue",   .gpio = 1 << 5, .polarity = REVERSE },
 351                         { .name = "ses_orange", .gpio = 1 << 3, .polarity = REVERSE },
 352                 },
 353         },
 354         [WRT160NV3] = {
 355                 .name           = "Linksys WRT160N V3",
 356                 .buttons        = {
 357                         { .name = "reset",      .gpio = 1 << 6 },
 358                         { .name = "ses",        .gpio = 1 << 5 },
 359                 },
 360                 .leds           = {
 361                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 362                         { .name = "ses_blue",   .gpio = 1 << 4, .polarity = REVERSE },
 363                         { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE },
 364                 },
 365         },
 366         [WRT300NV11] = {
 367                 .name           = "Linksys WRT300N V1.1",
 368                 .buttons        = {
 369                         { .name = "reset",     .gpio = 1 << 6 }, // "Reset" on back panel
 370                         { .name = "ses",       .gpio = 1 << 4 }, // "Reserved" on top panel
 371                 },
 372                 .leds           = {
 373                         { .name = "power",     .gpio = 1 << 1, .polarity = NORMAL  }, // "Power"
 374                         { .name = "ses_amber", .gpio = 1 << 3, .polarity = REVERSE }, // "Security" Amber
 375                         { .name = "ses_green", .gpio = 1 << 5, .polarity = REVERSE }, // "Security" Green
 376                 },
 377                 .platform_init = bcm57xx_init,
 378         },
 379         [WRT350N] = {
 380                 .name           = "Linksys WRT350N",
 381                 .buttons        = {
 382                         { .name = "reset",      .gpio = 1 << 6 },
 383                         { .name = "ses",        .gpio = 1 << 8 },
 384                 },
 385                 .leds           = {
 386                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 387                         { .name = "ses_amber",  .gpio = 1 << 3, .polarity = REVERSE },
 388                         { .name = "ses_green",  .gpio = 1 << 9, .polarity = REVERSE },
 389                         { .name = "usb_blink",  .gpio = 1 << 10, .polarity = REVERSE },
 390                         { .name = "usb",        .gpio = 1 << 11, .polarity = REVERSE },
 391                 },
 392                 .platform_init = bcm57xx_init,
 393         },
 394         [WRT600N] = {
 395                 .name           = "Linksys WRT600N",
 396                 .buttons        = {
 397                         { .name = "reset",      .gpio = 1 << 6 },
 398                         { .name = "ses",        .gpio = 1 << 7 },
 399                 },
 400                 .leds           = {
 401                         { .name = "power",              .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 402                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 403                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 404                         { .name = "wl0_ses_green",      .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 405                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 406                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 407                 },
 408                 .platform_init = bcm57xx_init,
 409         },
 410         [WRT600NV11] = {
 411                 .name           = "Linksys WRT600N V1.1",
 412                 .buttons        = {
 413                         { .name = "reset",      .gpio = 1 << 6 },
 414                         { .name = "ses",        .gpio = 1 << 7 },
 415                 },
 416                 .leds           = {
 417                         { .name = "power",             .gpio = 1 << 2,  .polarity = REVERSE }, // Power LED
 418                         { .name = "usb",                .gpio = 1 << 3,  .polarity = REVERSE }, // USB LED
 419                         { .name = "wl0_ses_amber",      .gpio = 1 << 8,  .polarity = REVERSE }, // 2.4Ghz LED Amber
 420                         { .name = "wl0_ses_green",     .gpio = 1 << 9,  .polarity = REVERSE }, // 2.4Ghz LED Green
 421                         { .name = "wl1_ses_amber",      .gpio = 1 << 10, .polarity = REVERSE }, // 5.6Ghz LED Amber
 422                         { .name = "wl1_ses_green",      .gpio = 1 << 11, .polarity = REVERSE }, // 5.6Ghz LED Green
 423                 },
 424                 .platform_init = bcm57xx_init,
 425         },
 426         [WRT610N] = {
 427                 .name           = "Linksys WRT610N",
 428                 .buttons        = {
 429                         { .name = "reset",      .gpio = 1 << 6 },
 430                         { .name = "ses",        .gpio = 1 << 8 },
 431                 },
 432                 .leds           = {
 433                         { .name = "power",      .gpio = 1 << 1,  .polarity = NORMAL }, // Power LED
 434                         { .name = "usb",        .gpio = 1 << 0,  .polarity = REVERSE }, // USB LED
 435                         { .name = "ses_amber",  .gpio = 1 << 3,  .polarity = REVERSE }, // WiFi protected setup LED amber
 436                         { .name = "ses_blue",   .gpio = 1 << 9,  .polarity = REVERSE }, // WiFi protected setup LED blue
 437                 },
 438         },
 439         [WRT610NV2] = {
 440                 .name           = "Linksys WRT610N V2",
 441                 .buttons        = {
 442                         { .name = "reset",      .gpio = 1 << 6 },
 443                         { .name = "ses",        .gpio = 1 << 4 },
 444                 },
 445                 .leds           = {
 446                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },   // Power LED
 447                         { .name = "usb",        .gpio = 1 << 7, .polarity = NORMAL },   // USB LED
 448                         { .name = "ses_amber",  .gpio = 1 << 0, .polarity = REVERSE },  // WiFi protected setup LED amber
 449                         { .name = "ses_blue",   .gpio = 1 << 3, .polarity = REVERSE },  // WiFi protected setup LED blue
 450                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },   // Wireless LED
 451                 },
 452         },
 453         /* same hardware as WRT160NV3 and Cisco Valet M10V1, but different board detection, combine? */
 454         [E1000V1] = {
 455                 .name           = "Linksys E1000 V1",
 456                 .buttons        = {
 457                         { .name = "reset",      .gpio = 1 << 6 },
 458                         { .name = "wps",        .gpio = 1 << 5 }, /* nvram get gpio5=wps_button */
 459                 },
 460                 .leds           = {
 461                         /** turns on leds for all ethernet ports (wan too)
 462                          *  this also disconnects some, or maybe all, ethernet ports
 463                          *  1: leds work normally
 464                          *  0: all lit all the time */
 465                         /* nvram get gpio3=robo_reset */
 466                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
 467                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 468                         { .name = "ses_blue",   .gpio = 1 << 4, .polarity = REVERSE }, /* nvram get gpio4=wps_led */
 469                         { .name = "ses_orange", .gpio = 1 << 2, .polarity = REVERSE }, /* nvram get gpio2=wps_status_led */
 470                 },
 471         },
 472         [E3000V1] = {
 473                 .name           = "Linksys E3000 V1",
 474                 .buttons        = {
 475                         { .name = "reset",      .gpio = 1 << 6 },
 476                         { .name = "ses",        .gpio = 1 << 4 },
 477                 },
 478                 .leds           = {
 479                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },   // Power LED
 480                         { .name = "usb",        .gpio = 1 << 7, .polarity = NORMAL },   // USB LED
 481                         { .name = "ses_amber",  .gpio = 1 << 0, .polarity = REVERSE },  // WiFi protected setup LED amber
 482                         { .name = "ses_blue",   .gpio = 1 << 3, .polarity = REVERSE },  // WiFi protected setup LED blue
 483                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },   // Wireless LED
 484                 },
 485         },
 486         [E3200V1] = {
 487                 .name           = "Linksys E3200 V1",
 488                 .buttons        = {
 489                         /* { .name = "switch",  .gpio = 1 << 4 },*/     /* nvram get gpio4=robo_reset */
 490                         { .name = "reset",      .gpio = 1 << 5 },       /* nvram get reset_gpio=5 */
 491                         { .name = "wps",        .gpio = 1 << 8 },       /* nvram get gpio8=wps_button */
 492                         /* { .name = "wombo",   .gpio = 1 << 23 },*/    /* nvram get gpio23=wombo_reset - wireless on motherboard */
 493                 },
 494                 .leds   = {
 495                         { .name = "power",      .gpio = 1 << 3, .polarity = REVERSE },  /* Power LED */
 496                 },
 497         },
 498         /* Asus */
 499         [WLHDD] = {
 500                 .name           = "ASUS WL-HDD",
 501                 .buttons        = {
 502                         { .name = "reset",      .gpio = 1 << 6 },
 503                 },
 504                 .leds           = {
 505                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 506                         { .name = "usb",        .gpio = 1 << 2, .polarity = REVERSE },
 507                 },
 508         },
 509         [WL300G] = {
 510                 .name           = "ASUS WL-300g",
 511                 .buttons        = {
 512                         { .name = "reset",      .gpio = 1 << 6 },
 513                 },
 514                 .leds           = {
 515                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 516                 },
 517         },
 518         [WL320GE] = {
 519                 .name           = "ASUS WL-320gE/WL-320gP",
 520                 .buttons        = {
 521                         { .name = "reset",      .gpio = 1 << 6 },
 522                 },
 523                 .leds           = {
 524                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 525                         { .name = "power",      .gpio = 1 << 2, .polarity = REVERSE },
 526                         { .name = "link",       .gpio = 1 << 11, .polarity = REVERSE },
 527                 },
 528         },
 529         [WL330GE] = {
 530                 .name           = "ASUS WL-330gE",
 531                 .buttons        = {
 532                         { .name = "reset",      .gpio = 1 << 2 },
 533                 },
 534                 .leds           = {
 535                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 536                 },
 537         },
 538         [WL500G] = {
 539                 .name           = "ASUS WL-500g",
 540                 .buttons        = {
 541                         { .name = "reset",      .gpio = 1 << 6 },
 542                 },
 543                 .leds           = {
 544                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 545                 },
 546         },
 547         [WL500GD] = {
 548                 .name           = "ASUS WL-500g Deluxe",
 549                 .buttons        = {
 550                         { .name = "reset",      .gpio = 1 << 6 },
 551                 },
 552                 .leds           = {
 553                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 554                 },
 555         },
 556         [WL500GP] = {
 557                 .name           = "ASUS WL-500g Premium",
 558                 .buttons        = {
 559                         { .name = "reset",      .gpio = 1 << 0 },
 560                         { .name = "ses",        .gpio = 1 << 4 },
 561                 },
 562                 .leds           = {
 563                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 564                 },
 565         },
 566         [WL500GPV2] = {
 567                 .name           = "ASUS WL-500g Premium V2",
 568                 .buttons        = {
 569                         { .name = "reset",      .gpio = 1 << 2 },
 570                         { .name = "ses",        .gpio = 1 << 3 },
 571                 },
 572                 .leds           = {
 573                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 574                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 575                 },
 576         },
 577         [WL500W] = {
 578                 .name           = "ASUS WL-500W",
 579                 .buttons        = {
 580                         { .name = "reset",      .gpio = 1 << 6 },
 581                         { .name = "ses",        .gpio = 1 << 7 },
 582                 },
 583                 .leds           = {
 584                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 585                 },
 586         },
 587         [WL520GC] = {
 588                 .name           = "ASUS WL-520GC",
 589                 .buttons        = {
 590                         { .name = "reset",      .gpio = 1 << 2 },
 591                         { .name = "ses",        .gpio = 1 << 3 },
 592                 },
 593                 .leds           = {
 594                 { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 595                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 596                 },
 597         },
 598         [WL520GU] = {
 599                 .name           = "ASUS WL-520gU",
 600                 .buttons        = {
 601                         { .name = "reset",      .gpio = 1 << 2 },
 602                         { .name = "ses",        .gpio = 1 << 3 },
 603                 },
 604                 .leds           = {
 605                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 606                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
 607                 },
 608         },
 609         [ASUS_4702] = {
 610                 .name           = "ASUS (unknown, BCM4702)",
 611                 .buttons        = {
 612                         { .name = "reset",      .gpio = 1 << 6 },
 613                 },
 614                 .leds           = {
 615                         { .name = "power",      .gpio = 1 << 0, .polarity = REVERSE },
 616                 },
 617         },
 618         [WL700GE] = {
 619                 .name           = "ASUS WL-700gE",
 620                 .buttons        = {
 621                         { .name = "reset",      .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
 622                         { .name = "ses",        .gpio = 1 << 4 }, // on back, actual name ezsetup
 623                         { .name = "power",      .gpio = 1 << 0 }, // on front
 624                         { .name = "copy",       .gpio = 1 << 6 }, // on front
 625                 },
 626                 .leds           = {
 627 #if 0
 628                         // GPIO that controls power led also enables/disables some essential functions
 629                         // - power to HDD
 630                         // - switch leds
 631                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },  // actual name power
 632 #endif
 633                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 634                 },
 635                 .platform_init = bcm4780_init,
 636         },
 637         [RTN16] = {
 638                 .name           = "ASUS RT-N16",
 639                 .buttons        = {
 640                         { .name = "reset",      .gpio = 1 << 8 },
 641                         { .name = "ses",        .gpio = 1 << 5 },
 642                 },
 643                 .leds           = {
 644                         { .name = "power",      .gpio = 1 << 1, .polarity = REVERSE },
 645                         { .name = "wlan",       .gpio = 1 << 7, .polarity = NORMAL },
 646                 },
 647         },
 648         /* Buffalo */
 649         [WHR_G54S] = {
 650                 .name           = "Buffalo WHR-G54S",
 651                 .buttons        = {
 652                         { .name = "reset",      .gpio = 1 << 4 },
 653                         { .name = "bridge",     .gpio = 1 << 5 },
 654                         { .name = "ses",        .gpio = 1 << 0 },
 655                 },
 656                 .leds           = {
 657                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 658                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 659                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 660                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 661                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 662                 },
 663         },
 664         [WBR2_G54] = {
 665                 .name           = "Buffalo WBR2-G54",
 666                 /* FIXME: verify */
 667                 .buttons        = {
 668                         { .name = "reset",      .gpio = 1 << 7 },
 669                 },
 670                 .leds           = {
 671                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 672                 },
 673         },
 674         [WHR_HP_G54] = {
 675                 .name           = "Buffalo WHR-HP-G54",
 676                 .buttons        = {
 677                         { .name = "reset",      .gpio = 1 << 4 },
 678                         { .name = "bridge",     .gpio = 1 << 5 },
 679                         { .name = "ses",        .gpio = 1 << 0 },
 680                 },
 681                 .leds           = {
 682                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 683                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 684                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 685                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 686                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 687                 },
 688         },
 689         [WHR_G125] = {
 690                 .name           = "Buffalo WHR-G125",
 691                 .buttons        = {
 692                         { .name = "reset",      .gpio = 1 << 4 },
 693                         { .name = "bridge",     .gpio = 1 << 5 },
 694                         { .name = "ses",        .gpio = 1 << 0 },
 695                 },
 696                 .leds           = {
 697                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 698                         { .name = "internal",   .gpio = 1 << 3, .polarity = REVERSE },
 699                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 700                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 701                         { .name = "wlan",       .gpio = 1 << 2, .polarity = REVERSE },
 702                 },
 703         },
 704         [WHR2_A54G54] = {
 705                 .name           = "Buffalo WHR2-A54G54",
 706                 .buttons        = {
 707                         { .name = "reset",      .gpio = 1 << 4 },
 708                 },
 709                 .leds           = {
 710                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 711                 },
 712         },
 713         [WLA2_G54L] = {
 714                 .name           = "Buffalo WLA2-G54L",
 715                 /* FIXME: verify */
 716                 .buttons        = {
 717                         { .name = "reset",      .gpio = 1 << 7 },
 718                 },
 719                 .leds           = {
 720                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 721                 },
 722         },
 723         [WZR_G300N] = {
 724                 .name           = "Buffalo WZR-G300N",
 725                 .buttons        = {
 726                         { .name = "reset",      .gpio = 1 << 4 },
 727                 },
 728                 .leds           = {
 729                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 730                         { .name = "bridge",     .gpio = 1 << 1, .polarity = REVERSE },
 731                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 732                 },
 733         },
 734         [WZR_RS_G54] = {
 735                 .name           = "Buffalo WZR-RS-G54",
 736                 .buttons        = {
 737                         { .name = "ses",        .gpio = 1 << 0 },
 738                         { .name = "reset",      .gpio = 1 << 4 },
 739                 },
 740                 .leds           = {
 741                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 742                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 743                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 744                 },
 745         },
 746         [WZR_RS_G54HP] = {
 747                 .name           = "Buffalo WZR-RS-G54HP",
 748                 .buttons        = {
 749                         { .name = "ses",        .gpio = 1 << 0 },
 750                         { .name = "reset",      .gpio = 1 << 4 },
 751                 },
 752                 .leds           = {
 753                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 754                         { .name = "ses",        .gpio = 1 << 6, .polarity = REVERSE },
 755                         { .name = "vpn",        .gpio = 1 << 1, .polarity = REVERSE },
 756                 },
 757         },
 758         [BUFFALO_UNKNOWN] = {
 759                 .name           = "Buffalo (unknown)",
 760                 .buttons        = {
 761                         { .name = "reset",      .gpio = 1 << 7 },
 762                 },
 763                 .leds           = {
 764                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 765                 },
 766         },
 767         [BUFFALO_UNKNOWN_4710] = {
 768                 .name           = "Buffalo (unknown, BCM4710)",
 769                 .buttons        = {
 770                         { .name = "reset",      .gpio = 1 << 4 },
 771                 },
 772                 .leds           = {
 773                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE },
 774                 },
 775         },
 776         /* Siemens */
 777         [SE505V1] = {
 778                 .name           = "Siemens SE505 V1",
 779                 .buttons        = {
 780                         /* No usable buttons */
 781                 },
 782                 .leds           = {
 783 //                      { .name = "power",      .gpio = 1 << 0  .polarity = REVERSE },  // Usable when retrofitting D26 (?)
 784                         { .name = "dmz",        .gpio = 1 << 4, .polarity = REVERSE },  // actual name WWW
 785                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 786                 },
 787         },
 788         [SE505V2] = {
 789                 .name           = "Siemens SE505 V2",
 790                 .buttons        = {
 791                         /* No usable buttons */
 792                 },
 793                 .leds           = {
 794                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
 795                         { .name = "dmz",        .gpio = 1 << 0, .polarity = REVERSE },  // actual name WWW
 796                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
 797                 },
 798         },
 799         /* US Robotics */
 800         [USR5461] = {
 801                 .name           = "U.S. Robotics USR5461",
 802                 .buttons        = {
 803                         /* No usable buttons */
 804                 },
 805                 .leds           = {
 806                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 807                         { .name = "printer",    .gpio = 1 << 1, .polarity = REVERSE },
 808                 },
 809         },
 810         /* Dell */
 811         [TM2300] = {
 812                 .name           = "Dell TrueMobile 2300",
 813                 .buttons        = {
 814                         { .name = "reset",      .gpio = 1 << 0 },
 815                 },
 816                 .leds           = {
 817                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 818                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 819                 },
 820         },
 821         [TM2300V2] = {
 822                 .name           = "Dell TrueMobile 2300 v2",
 823                 .buttons        = {
 824                         { .name = "reset",      .gpio = 1 << 0 },
 825                 },
 826                 .leds           = {
 827                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 828                         { .name = "power",      .gpio = 1 << 7, .polarity = REVERSE },
 829                 },
 830         },
 831         /* Motorola */
 832         [WE800G] = {
 833                 .name           = "Motorola WE800G",
 834                 .buttons        = {
 835                         { .name = "reset",      .gpio = 1 << 0 },
 836                 },
 837                 .leds           = {
 838                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 839                         { .name = "diag",       .gpio = 1 << 2, .polarity = REVERSE },
 840                         { .name = "wlan_amber", .gpio = 1 << 1, .polarity = NORMAL },
 841                 },
 842         },
 843         [WR850GV1] = {
 844                 .name           = "Motorola WR850G V1",
 845                 .buttons        = {
 846                         { .name = "reset",      .gpio = 1 << 0 },
 847                 },
 848                 .leds           = {
 849                         { .name = "power",      .gpio = 1 << 4, .polarity = NORMAL },
 850                         { .name = "diag",       .gpio = 1 << 3, .polarity = REVERSE },
 851                         { .name = "dmz",        .gpio = 1 << 6, .polarity = NORMAL },
 852                         { .name = "wlan_red",   .gpio = 1 << 5, .polarity = REVERSE },
 853                         { .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
 854                 },
 855         },
 856         [WR850GV2V3] = {
 857                 .name           = "Motorola WR850G V2/V3",
 858                 .buttons        = {
 859                         { .name = "reset",      .gpio = 1 << 5 },
 860                 },
 861                 .leds           = {
 862                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 863                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 864                         { .name = "wan",        .gpio = 1 << 6, .polarity = INPUT },
 865                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 866                 },
 867         },
 868         [WR850GP] = {
 869                 .name           = "Motorola WR850GP",
 870                 .buttons        = {
 871                         { .name = "reset",      .gpio = 1 << 5 },
 872                 },
 873                 .leds           = {
 874                         { .name = "power",      .gpio = 1 << 1, .polarity = NORMAL },
 875                         { .name = "wlan",       .gpio = 1 << 0, .polarity = REVERSE },
 876                         { .name = "dmz",        .gpio = 1 << 6, .polarity = REVERSE },
 877                         { .name = "diag",       .gpio = 1 << 7, .polarity = REVERSE },
 878                 },
 879         },
 880
 881         /* Belkin */
 882         [BELKIN_UNKNOWN] = {
 883                 .name           = "Belkin (unknown)",
 884                 /* FIXME: verify & add detection */
 885                 .buttons        = {
 886                         { .name = "reset",      .gpio = 1 << 7 },
 887                 },
 888                 .leds           = {
 889                         { .name = "power",      .gpio = 1 << 5, .polarity = NORMAL },
 890                         { .name = "wlan",       .gpio = 1 << 3, .polarity = NORMAL },
 891                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
 892                 },
 893         },
 894         [BELKIN_F7D4301] = {
 895                 .name           = "Belkin PlayMax F7D4301",
 896                 .buttons        = {
 897                         { .name = "reset",      .gpio = 1 << 6 },
 898                         { .name = "wps",        .gpio = 1 << 8 },
 899                 },
 900                 .leds           = {
 901                         { .name = "power",      .gpio = 1 << 11, .polarity = REVERSE },
 902                         { .name = "wlan",       .gpio = 1 << 13, .polarity = REVERSE },
 903                         { .name = "led0",       .gpio = 1 << 14, .polarity = REVERSE },
 904                         { .name = "led1",       .gpio = 1 << 15, .polarity = REVERSE },
 905                 },
 906         },
 907         /* Netgear */
 908         [WGT634U] = {
 909                 .name           = "Netgear WGT634U",
 910                 .buttons        = {
 911                         { .name = "reset",      .gpio = 1 << 2 },
 912                 },
 913                 .leds           = {
 914                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
 915                 },
 916         },
 917         /* Netgear */
 918         [WNR834BV1] = {
 919                 .name           = "Netgear WNR834B V1",
 920                 .buttons        = { /* TODO: add reset button and confirm LEDs - GPIO from dd-wrt */ },
 921                 .leds           = {
 922                         { .name = "power",      .gpio = 1 << 4, .polarity = REVERSE },
 923                         { .name = "diag",       .gpio = 1 << 5, .polarity = REVERSE },
 924                         { .name = "wlan",       .gpio = 1 << 6, .polarity = REVERSE },
 925                 },
 926         },
 927         /* Netgear */
 928         [WNR834BV2] = {
 929                 .name           = "Netgear WNR834B V2",
 930                 .buttons        = {
 931                         { .name = "reset",      .gpio = 1 << 6 },
 932                 },
 933                 .leds           = {
 934                         { .name = "power",      .gpio = 1 << 2, .polarity = NORMAL },
 935                         { .name = "diag",       .gpio = 1 << 3, .polarity = NORMAL },
 936                         { .name = "connected",  .gpio = 1 << 7, .polarity = NORMAL },
 937                 },
 938         },
 939         [WNDR3400V1] = {
 940                 .name           = "Netgear WNDR3400 V1",
 941                 .buttons        = {
 942                         /* nvram get gpio5=robo_reset */
 943                         { .name = "reset",      .gpio = 1 << 4 },
 944                         { .name = "wps",        .gpio = 1 << 6 },
 945                         { .name = "wlan",       .gpio = 1 << 8 },
 946                 },
 947                 .leds           = {
 948                         { .name = "wlan",       .gpio = 0 << 0, .polarity = NORMAL },
 949                         { .name = "connected",  .gpio = 1 << 0, .polarity = NORMAL },
 950                         { .name = "power",      .gpio = 1 << 3, .polarity = NORMAL },
 951                         { .name = "diag",       .gpio = 1 << 7, .polarity = NORMAL },
 952                         { .name = "usb",        .gpio = 1 << 2, .polarity = REVERSE },
 953                 },
 954         },
 955         [WNDR3700V3] = {
 956                 .name           = "Netgear WNDR3700 V3",
 957                 .buttons        = {
 958                         /* { .name = "usb",     .gpio = 1 << 1 }, */ /* this button doesn't seem to exist. */
 959                         { .name = "wlan",       .gpio = 1 << 2 },
 960                         { .name = "reset",      .gpio = 1 << 3 },
 961                         { .name = "wps",        .gpio = 1 << 4 },
 962                         /* { .name = "switch",  .gpio = 1 << 5 },*/     /* nvram get gpio5=robo_reset */
 963                 },
 964                 .leds           = {
 965                         { .name = "power",      .gpio = (1 << 0) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
 966                         { .name = "diag",       .gpio = (1 << 1) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
 967                         /* WAN LED doesn't respond to GPIO control. The switch is probably driving it.
 968                          * { .name = "wan",     .gpio = (1 << 2) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
 969                          */
 970                         { .name = "wlan2g",     .gpio = (1 << 3) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
 971                         { .name = "wlan5g",     .gpio = (1 << 4) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
 972                         { .name = "usb",        .gpio = (1 << 5) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
 973                         { .name = "wps",        .gpio = (1 << 6) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
 974                         { .name = "wlan",       .gpio = (1 << 7) | GPIO_TYPE_SHIFT, .polarity = REVERSE },
 975                 },
 976         },
 977         /* Trendware */
 978         [TEW411BRPP] = {
 979                 .name           = "Trendware TEW411BRP+",
 980                 .buttons        = {
 981                         { /* No usable buttons */ },
 982                 },
 983                 .leds           = {
 984                         { .name = "power",      .gpio = 1 << 7, .polarity = NORMAL },
 985                         { .name = "wlan",       .gpio = 1 << 1, .polarity = NORMAL },
 986                         { .name = "bridge",     .gpio = 1 << 6, .polarity = NORMAL },
 987                 },
 988         },
 989         /* SimpleTech */
 990         [STI_NAS] = {
 991                 .name      = "SimpleTech SimpleShare NAS",
 992                 .buttons        = {
 993                         { .name = "reset",      .gpio = 1 << 0 }, // Power button on back, named reset to enable failsafe.
 994                 },
 995                 .leds      = {
 996                         { .name = "diag",       .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
 997                 },
 998                 .platform_init = bcm4780_init,
 999         },
1000         /* D-Link */
1001         [DIR130] = {
1002                 .name     = "D-Link DIR-130",
1003                 .buttons        = {
1004                         { .name = "reset",      .gpio = 1 << 3},
1005                         { .name = "reserved",   .gpio = 1 << 7},
1006                 },
1007                 .leds      = {
1008                         { .name = "diag",       .gpio = 1 << 0},
1009                         { .name = "blue",       .gpio = 1 << 6},
1010                 },
1011         },
1012         [DIR320] = {
1013                 .name     = "D-Link DIR-320",
1014                 .buttons        = {
1015                         { .name = "reserved",   .gpio = 1 << 6},
1016                         { .name = "reset",      .gpio = 1 << 7},
1017                 },
1018                 .leds      = {
1019                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
1020                         { .name = "diag",       .gpio = 1 << 1, .polarity = NORMAL }, /* "status led */
1021                         { .name = "red",        .gpio = 1 << 3, .polarity = REVERSE },
1022                         { .name = "blue",       .gpio = 1 << 4, .polarity = REVERSE },
1023                         { .name = "usb",        .gpio = 1 << 5, .polarity = NORMAL },
1024                 },
1025         },
1026         [DIR330] = {
1027                 .name     = "D-Link DIR-330",
1028                 .buttons        = {
1029                         { .name = "reset",      .gpio = 1 << 3},
1030                         { .name = "reserved",   .gpio = 1 << 7},
1031                 },
1032                 .leds      = {
1033                         { .name = "diag",       .gpio = 1 << 0},
1034                         { .name = "usb",        .gpio = 1 << 4},
1035                         { .name = "blue",       .gpio = 1 << 6},
1036                 },
1037         },
1038         [DWL3150] = {
1039                 .name   = "D-Link DWL-3150",
1040                 .buttons        = {
1041                         { .name = "reset",      .gpio = 1 << 7},
1042                 },
1043                 .leds     = {
1044                         { .name = "diag",       .gpio = 1 << 2},
1045                         { .name = "status",     .gpio = 1 << 1},
1046                 },
1047         },
1048         /* Double check */
1049         [WL105B] = {
1050                 .name   = "Sitecom WL-105b",
1051                 .buttons        = {
1052                         { .name = "reset",      .gpio = 1 << 10},
1053                 },
1054                 .leds     = {
1055                         { .name = "wlan",       .gpio = 1 << 4},
1056                         { .name = "power",      .gpio = 1 << 3},
1057                 },
1058         },
1059         /* Western Digital Net Center */
1060         [WDNetCenter] = {
1061                 .name   = "Western Digital NetCenter",
1062                 .buttons        = {
1063                         { .name = "power",      .gpio = 1 << 0},
1064                         { .name = "reset",      .gpio = 1 << 7},
1065                 },
1066                 .platform_init = NetCenter_init,
1067         },
1068         /* Askey (and clones) */
1069         [RT210W] = {
1070                 .name           = "Askey RT210W",
1071                 .buttons        = {
1072                         /* Power button is hard-wired to hardware reset */
1073                         /* but is also connected to GPIO 7 (probably for bootloader recovery)  */
1074                         { .name = "power",      .gpio = 1 << 7},
1075                 },
1076                 .leds           = {
1077                         /* These were verified and named based on Belkin F5D4230-4 v1112 */
1078                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
1079                         { .name = "wlan",       .gpio = 1 << 3, .polarity = REVERSE },
1080                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
1081                 },
1082         },
1083         [WL1600GL] = {
1084                 .name           = "OvisLink WL-1600GL",
1085                 .buttons        = {
1086                         { .name = "reset",      .gpio = 1 << 3 },
1087                         { .name = "ses",        .gpio = 1 << 4 },
1088                 },
1089                 .leds           = {
1090                         { .name = "power",      .gpio = 1 << 5, .polarity = REVERSE },
1091                         { .name = "wps",        .gpio = 1 << 2, .polarity = REVERSE },
1092                         { .name = "wlan",       .gpio = 1 << 1, .polarity = REVERSE },
1093                         { .name = "connected",  .gpio = 1 << 0, .polarity = REVERSE },
1094                 },
1095         },
1096         /* Microsoft */
1097         [MN700] = {
1098                 .name   = "Microsoft MN-700",
1099                 .buttons        = {
1100                         { .name = "reset",      .gpio = 1 << 7 },
1101                 },
1102                 .leds     = {
1103                         { .name = "power",      .gpio = 1 << 6, .polarity = NORMAL },
1104                 },
1105         },
1106         /* Edimax */
1107         [PS1208MFG] = {
1108                 .name   = "Edimax PS-1208MFG",
1109                 .buttons        = {
1110                         { .name = "reset",      .gpio = 1 << 4 },
1111                 },
1112                 .leds     = {
1113                         { .name = "status",     .gpio = 1 << 1, .polarity = NORMAL },
1114                         { .name = "wlan",       .gpio = 1 << 0, .polarity = NORMAL },
1115                 },
1116         },
1117 };
1118
1119 static struct platform_t __init *platform_detect_legacy(void)
1120 {
1121         char *boardnum, *boardtype;
1122
1123         if (strcmp(getvar("nvram_type"), "cfe") == 0)
1124                 return &platforms[WGT634U];
1125
1126
1127         /* no easy model number, attempt to guess */
1128         boardnum = getvar("boardnum");
1129         boardtype = getvar("boardtype");
1130
1131         if (!strcmp(boardnum, "20070615")) { /* Linksys WRT600N  v1/V1.1 */
1132                 if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0") && !strcmp(getvar("switch_type"),"BCM5395"))
1133                         return &platforms[WRT600NV11];
1134
1135         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "0"))
1136                         return &platforms[WRT600N];
1137         }
1138
1139         if (startswith(getvar("pmon_ver"), "CFE")) {
1140                 /* CFE based - newer hardware */
1141                 if (!strcmp(boardnum, "42")) { /* Linksys */
1142                         if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
1143                                 return &platforms[WRT350N];
1144
1145                         if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
1146                                 return &platforms[WRT54G3G];
1147
1148                         /* default to WRT54G */
1149                         return &platforms[WRT54G];
1150                 }
1151                 if (!strcmp(boardnum, "1024") && !strcmp(boardtype, "0x0446"))
1152                         return &platforms[WAP54GV2];
1153
1154                 if (!strcmp(boardnum, "8") && !strcmp(boardtype, "0x048e"))
1155                         return &platforms[WL1600GL];
1156
1157
1158                 if (!strcmp(boardnum, "44") || !strcmp(boardnum, "44\r")) {
1159                         if (!strcmp(boardtype,"0x0101") || !strcmp(boardtype, "0x0101\r"))
1160                                 return &platforms[TM2300V2]; /* Dell TrueMobile 2300 v2 */
1161                 }
1162
1163                 if (!strcmp(boardnum, "45")) { /* ASUS */
1164                         if (!strcmp(boardtype,"0x0472"))
1165                                 return &platforms[WL500W];
1166                         else if (!strcmp(boardtype,"0x467"))
1167                                 return &platforms[WL320GE];
1168                         else
1169                                 return &platforms[WL500GD];
1170                 }
1171
1172                 if (!strcmp(boardnum, "10496"))
1173                         return &platforms[USR5461];
1174
1175                 if (!strcmp(getvar("boardtype"), "0x0101") && !strcmp(getvar("boardrev"), "0x10")) /* SE505V2 With Modified CFE */
1176                         return &platforms[SE505V2];
1177
1178                 if (!strcmp(boardtype, "0x048e") && !strcmp(getvar("boardrev"),"0x35") &&
1179                                 !strcmp(getvar("boardflags"), "0x750")) /* D-Link DIR-320 */
1180                         return &platforms[DIR320];
1181
1182                 if (!strncmp(boardnum, "TH",2) && !strcmp(boardtype,"0x042f")) {
1183                         return &platforms[WDNetCenter];
1184                 }
1185
1186                 if (!strcmp(boardtype,"0x0472") && !strcmp(getvar("cardbus"), "1")) { /* Netgear WNR834B  V1 and V2*/
1187                         if (!strcmp(boardnum, "08") || !strcmp(boardnum, "8"))
1188                                 return &platforms[WNR834BV1];
1189                         if (!strcmp(boardnum, "01") || !strcmp(boardnum, "1"))
1190                                 return &platforms[WNR834BV2];
1191                 }
1192
1193         } else { /* PMON based - old stuff */
1194                 if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
1195                         (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
1196                         return &platforms[WR850GV1];
1197                 }
1198                 if (startswith(boardtype, "bcm94710dev")) {
1199                         if (!strcmp(boardnum, "42"))
1200                                 return &platforms[WRT54GV1];
1201                         if (simple_strtoul(boardnum, NULL, 0) == 2)
1202                                 return &platforms[WAP54GV1];
1203                 }
1204                 /* MN-700 has also hardware_version 'WL500-...', so use boardnum */
1205                 if (startswith(getvar("hardware_version"), "WL500-")) {
1206                         if (!strcmp(getvar("boardnum"), "mn700"))
1207                                 return &platforms[MN700];
1208                         else
1209                                 return &platforms[WL500G];
1210                 }
1211                 if (startswith(getvar("hardware_version"), "WL300-")) {
1212                         /* Either WL-300g or WL-HDD, do more extensive checks */
1213                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1214                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
1215                                 return &platforms[WLHDD];
1216                         if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
1217                                 (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
1218                                 return &platforms[WL300G];
1219                 }
1220                 /* Sitecom WL-105b */
1221                 if (startswith(boardnum, "2") && simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 1)
1222                         return &platforms[WL105B];
1223
1224                 /* unknown asus stuff, probably bcm4702 */
1225                 if (startswith(boardnum, "asusX"))
1226                         return &platforms[ASUS_4702];
1227
1228                 /* bcm4702 based Askey RT210W clones, Including:
1229                  * Askey RT210W (duh?)
1230                  * Siemens SE505v1
1231                  * Belkin F5D7230-4 before version v1444 (MiniPCI slot, not integrated)
1232                  */
1233                 if (!strcmp(boardtype,"bcm94710r4")
1234                  && !strcmp(boardnum ,"100")
1235                  && !strcmp(getvar("pmon_ver"),"v1.03.12.bk")
1236                    ){
1237                         return &platforms[RT210W];
1238                 }
1239         }
1240
1241         if (boardnum || !strcmp(boardnum, "00")) {/* probably buffalo */
1242                 if (startswith(boardtype, "bcm94710ap"))
1243                         return &platforms[BUFFALO_UNKNOWN_4710];
1244                 else
1245                         return &platforms[BUFFALO_UNKNOWN];
1246         }
1247
1248         if (startswith(getvar("CFEver"), "MotoWRv2") ||
1249                 startswith(getvar("CFEver"), "MotoWRv3") ||
1250                 !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
1251
1252                 return &platforms[WR850GV2V3];
1253         }
1254
1255         if (!strcmp(boardnum, "44") && !strcmp(getvar("boardflags"),"0x0388")) {  /* Trendware TEW-411BRP+ */
1256                 return &platforms[TEW411BRPP];
1257         }
1258
1259         if (startswith(boardnum, "04FN")) /* SimpleTech SimpleShare */
1260                 return &platforms[STI_NAS];
1261
1262         if (!strcmp(boardnum, "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
1263                 return &platforms[DWL3150];
1264
1265         if (!strcmp(boardnum, "01") && !strcmp(boardtype, "0x048e") && /* Edimax PS1208MFG */
1266                 !strcmp(getvar("status_gpio"), "1")) /* gpio based detection */
1267                 return &platforms[PS1208MFG];
1268
1269         /* not found */
1270         return NULL;
1271 }
1272
1273 static struct platform_t __init *platform_detect(void)
1274 {
1275         enum bcm47xx_board board;
1276         const char *board_name;
1277
1278
1279         board = bcm47xx_board_get();
1280         board_name = bcm47xx_board_get_name();
1281         if (board != BCM47XX_BOARD_UNKNOWN && board != BCM47XX_BOARD_NON)
1282                 printk(MODULE_NAME ": kernel found a \"%s\"\n", board_name);
1283
1284         switch(board) {
1285         case BCM47XX_BOARD_ASUS_RTN16:
1286                 return &platforms[RTN16];
1287         case BCM47XX_BOARD_ASUS_WL330GE:
1288                 return &platforms[WL330GE];
1289         case BCM47XX_BOARD_ASUS_WL500GPV1:
1290                 return &platforms[WL500GP];
1291         case BCM47XX_BOARD_ASUS_WL500GPV2:
1292                 return &platforms[WL500GPV2];
1293         case BCM47XX_BOARD_ASUS_WL520GC:
1294                 return &platforms[WL520GC];
1295         case BCM47XX_BOARD_ASUS_WL520GU:
1296                 return &platforms[WL520GU];
1297         case BCM47XX_BOARD_ASUS_WL700GE:
1298                 return &platforms[WL700GE];
1299         case BCM47XX_BOARD_BELKIN_F7D4301:
1300                 return &platforms[BELKIN_F7D4301];
1301         case BCM47XX_BOARD_BUFFALO_WBR2_G54:
1302                 return &platforms[WBR2_G54];
1303         case BCM47XX_BOARD_BUFFALO_WHR2_A54G54:
1304                 return &platforms[WHR2_A54G54];
1305         case BCM47XX_BOARD_BUFFALO_WHR_G125:
1306                 return &platforms[WHR_G125];
1307         case BCM47XX_BOARD_BUFFALO_WHR_G54S:
1308                 return &platforms[WHR_G54S];
1309         case BCM47XX_BOARD_BUFFALO_WHR_HP_G54:
1310                 return &platforms[WHR_HP_G54];
1311         case BCM47XX_BOARD_BUFFALO_WLA2_G54L:
1312                 return &platforms[WLA2_G54L];
1313         case BCM47XX_BOARD_BUFFALO_WZR_G300N:
1314                 return &platforms[WZR_G300N];
1315         case BCM47XX_BOARD_BUFFALO_WZR_RS_G54:
1316                 return &platforms[WZR_RS_G54];
1317         case BCM47XX_BOARD_BUFFALO_WZR_RS_G54HP:
1318                 return &platforms[WZR_RS_G54HP];
1319         case BCM47XX_BOARD_DELL_TM2300:
1320                 return &platforms[TM2300];
1321         case BCM47XX_BOARD_DLINK_DIR130:
1322                 return &platforms[DIR130];
1323         case BCM47XX_BOARD_DLINK_DIR330:
1324                 return &platforms[DIR330];
1325         case BCM47XX_BOARD_LINKSYS_E1000V1:
1326                 return &platforms[E1000V1];
1327         case BCM47XX_BOARD_LINKSYS_E3000V1:
1328                 return &platforms[E3000V1];
1329         case BCM47XX_BOARD_LINKSYS_E3200V1:
1330                 return &platforms[E3200V1];
1331         case BCM47XX_BOARD_LINKSYS_WRT150NV1:
1332                 return &platforms[WRT150NV1];
1333         case BCM47XX_BOARD_LINKSYS_WRT150NV11:
1334                 return &platforms[WRT150NV11];
1335         case BCM47XX_BOARD_LINKSYS_WRT160NV1:
1336                 return &platforms[WRT160NV1];
1337         case BCM47XX_BOARD_LINKSYS_WRT160NV3:
1338                 return &platforms[WRT160NV3];
1339         case BCM47XX_BOARD_LINKSYS_WRT300NV11:
1340                 return &platforms[WRT300NV11];
1341         case BCM47XX_BOARD_LINKSYS_WRT54G3GV2:
1342                 return &platforms[WRT54G3GV2_VF];
1343         case BCM47XX_BOARD_LINKSYS_WRT610NV1:
1344                 return &platforms[WRT610N];
1345         case BCM47XX_BOARD_LINKSYS_WRT610NV2:
1346                 return &platforms[WRT610NV2];
1347         case BCM47XX_BOARD_LINKSYS_WRTSL54GS:
1348                 return &platforms[WRTSL54GS];
1349         case BCM47XX_BOARD_MOTOROLA_WE800G:
1350                 return &platforms[WE800G];
1351         case BCM47XX_BOARD_MOTOROLA_WR850GP:
1352                 return &platforms[WR850GP];
1353         case BCM47XX_BOARD_MOTOROLA_WR850GV2V3:
1354                 return &platforms[WR850GV2V3];
1355         case BCM47XX_BOARD_NETGEAR_WNDR3400V1:
1356                 return &platforms[WNDR3400V1];
1357         case BCM47XX_BOARD_NETGEAR_WNDR3700V3:
1358                 return &platforms[WNDR3700V3];
1359         case BCM47XX_BOARD_UNKNOWN:
1360         case BCM47XX_BOARD_NON:
1361                 printk(MODULE_NAME ": unknown board found, try legacy detect\n");
1362                 printk(MODULE_NAME ": please open a ticket at https://dev.openwrt.org and attach the complete nvram\n");
1363                 return platform_detect_legacy();
1364         default:
1365                 printk(MODULE_NAME ": board was detected as \"%s\", but not gpio configuration available\n", board_name);
1366                 printk(MODULE_NAME ": now trying legacy detect\n");
1367                 return platform_detect_legacy();
1368         }
1369 }
1370
1371 static inline void ssb_maskset32(struct ssb_device *dev,
1372                                   u16 offset, u32 mask, u32 set)
1373 {
1374         ssb_write32(dev, offset, (ssb_read32(dev, offset) & mask) | set);
1375 }
1376
1377 static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
1378 {
1379         int irq;
1380
1381         irq = gpio_to_irq(0);
1382         if (irq == -EINVAL) return;
1383
1384         if (enabled) {
1385                 if (request_irq(irq, handler, IRQF_SHARED, "gpio", handler))
1386                         return;
1387         } else {
1388                 free_irq(irq, handler);
1389         }
1390
1391         switch (bcm47xx_bus_type) {
1392 #ifdef CONFIG_BCM47XX_SSB
1393         case BCM47XX_BUS_TYPE_SSB:
1394                 if (bcm47xx_bus.ssb.chipco.dev)
1395                         ssb_maskset32(bcm47xx_bus.ssb.chipco.dev, SSB_CHIPCO_IRQMASK, ~SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
1396                 break;
1397 #endif
1398 #ifdef CONFIG_BCM47XX_BCMA
1399         case BCM47XX_BUS_TYPE_BCMA:
1400                 if (bcm47xx_bus.bcma.bus.drv_cc.core)
1401                         bcma_maskset32(bcm47xx_bus.bcma.bus.drv_cc.core, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO, (enabled ? BCMA_CC_IRQ_GPIO : 0));
1402                 break;
1403 #endif
1404         }
1405 }
1406
1407 static void hotplug_button(struct work_struct *work)
1408 {
1409         struct event_t *event = container_of(work, struct event_t, wq);
1410         char *s;
1411
1412         event->skb = alloc_skb(2048, GFP_KERNEL);
1413
1414         s = skb_put(event->skb, strlen(event->action) + 2);
1415         sprintf(s, "%s@", event->action);
1416         fill_event(event);
1417
1418         NETLINK_CB(event->skb).dst_group = 1;
1419         broadcast_uevent(event->skb, 0, 1, GFP_KERNEL);
1420
1421         kfree(event);
1422 }
1423
1424 static irqreturn_t button_handler(int irq, void *dev_id)
1425 {
1426         struct button_t *b;
1427         u32 in, changed;
1428
1429         in = bcm47xx_gpio_in(~0) & platform.button_mask;
1430         bcm47xx_gpio_polarity(platform.button_mask, in);
1431         changed = platform.button_polarity ^ in;
1432         platform.button_polarity = in;
1433
1434         changed &= ~bcm47xx_gpio_outen(0, 0);
1435
1436         for (b = platform.buttons; b->name; b++) {
1437                 struct event_t *event;
1438
1439                 if (!(b->gpio & changed)) continue;
1440
1441                 b->pressed ^= 1;
1442
1443                 if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
1444                         event->seen = (jiffies - b->seen)/HZ;
1445                         event->name = b->name;
1446                         event->action = b->pressed ? "pressed" : "released";
1447                         INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
1448                         schedule_work(&event->wq);
1449                 }
1450
1451                 b->seen = jiffies;
1452         }
1453         return IRQ_HANDLED;
1454 }
1455
1456 static void register_buttons(struct button_t *b)
1457 {
1458         for (; b->name; b++)
1459                 platform.button_mask |= b->gpio;
1460
1461         platform.button_mask &= ~gpiomask;
1462
1463         bcm47xx_gpio_outen(platform.button_mask, 0);
1464         bcm47xx_gpio_control(platform.button_mask, 0);
1465         platform.button_polarity = bcm47xx_gpio_in(~0) & platform.button_mask;
1466         bcm47xx_gpio_polarity(platform.button_mask, platform.button_polarity);
1467         bcm47xx_gpio_intmask(platform.button_mask, platform.button_mask);
1468
1469         gpio_set_irqenable(1, button_handler);
1470 }
1471
1472 static void unregister_buttons(struct button_t *b)
1473 {
1474         bcm47xx_gpio_intmask(platform.button_mask, 0);
1475
1476         gpio_set_irqenable(0, button_handler);
1477 }
1478
1479
1480 static void add_msg(struct event_t *event, char *msg, int argv)
1481 {
1482         char *s;
1483
1484         if (argv)
1485                 return;
1486
1487         s = skb_put(event->skb, strlen(msg) + 1);
1488         strcpy(s, msg);
1489 }
1490
1491 static int fill_event (struct event_t *event)
1492 {
1493         static char buf[128];
1494
1495         add_msg(event, "HOME=/", 0);
1496         add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
1497         add_msg(event, "SUBSYSTEM=button", 0);
1498         snprintf(buf, 128, "ACTION=%s", event->action);
1499         add_msg(event, buf, 0);
1500         snprintf(buf, 128, "BUTTON=%s", event->name);
1501         add_msg(event, buf, 0);
1502         snprintf(buf, 128, "SEEN=%ld", event->seen);
1503         add_msg(event, buf, 0);
1504         snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
1505         add_msg(event, buf, 0);
1506
1507         return 0;
1508 }
1509
1510 /*
1511  * This should be extended to allow the platform to specify the pins and width
1512  * of the shift register. They're hardcoded for now because only the WNDR3700v3
1513  * uses it.
1514  */
1515 static void shiftreg_output(unsigned int val)
1516 {
1517         unsigned int mask;
1518
1519         bcm47xx_gpio_out(SHIFTREG_DATA, SHIFTREG_DATA); /* init off, pull high */
1520         bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* init reset */
1521
1522         /* shift 8 times */
1523         for(mask = 1 << (SHIFTREG_MAX_BITS-1); mask; mask >>= 1)
1524         {
1525                 bcm47xx_gpio_out(SHIFTREG_DATA, (val & mask) ? SHIFTREG_DATA : 0);
1526                 bcm47xx_gpio_out(SHIFTREG_CLK, SHIFTREG_CLK); /* pull high to trigger */
1527                 bcm47xx_gpio_out(SHIFTREG_CLK, 0); /* reset to low */
1528         }
1529 }
1530
1531 static void set_led_shift(struct led_t *led)
1532 {
1533         static u32      shiftreg = 0;
1534         u32                     old = shiftreg;
1535         u32                     pin = (led->gpio & ~GPIO_TYPE_MASK);
1536
1537         if (led->state) {
1538                 shiftreg |= pin;
1539         } else {
1540                 shiftreg &= ~pin;
1541         }
1542
1543         /* Clock the bits out. */
1544         if (shiftreg != old) {
1545                 shiftreg_output(shiftreg);
1546         }
1547 }
1548
1549 static void set_led_extif(struct led_t *led)
1550 {
1551         volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (led->gpio & ~GPIO_TYPE_MASK);
1552         if (led->state)
1553                 *addr = 0xFF;
1554         else
1555                 *addr;
1556 }
1557
1558
1559 static void led_flash(unsigned long dummy) {
1560         struct led_t *l;
1561         u32 mask = 0;
1562         u8 extif_blink = 0;
1563
1564         for (l = platform.leds; l->name; l++) {
1565                 if (!l->flash) continue;
1566                 switch (l->gpio & GPIO_TYPE_MASK) {
1567                 case GPIO_TYPE_EXTIF:
1568                         extif_blink = 1;
1569                         l->state = !l->state;
1570                         set_led_extif(l);
1571                         break;
1572                 case GPIO_TYPE_SHIFT:
1573                         extif_blink = 1;
1574                         l->state = !l->state;
1575                         set_led_shift(l);
1576                         break;
1577                 case GPIO_TYPE_NORMAL:
1578                 default:
1579                         mask |= l->gpio;
1580                         break;
1581                 }
1582         }
1583
1584         mask &= ~gpiomask;
1585         if (mask) {
1586                 u32 val = ~bcm47xx_gpio_in(~0);
1587
1588                 bcm47xx_gpio_outen(mask, mask);
1589                 bcm47xx_gpio_control(mask, 0);
1590                 bcm47xx_gpio_out(mask, val);
1591         }
1592         if (mask || extif_blink) {
1593                 mod_timer(&led_timer, jiffies + FLASH_TIME);
1594         }
1595 }
1596
1597 static int diag_led_show(struct seq_file *m, void *v)
1598 {
1599         struct led_t * led = m->private;
1600
1601         u8 p = (led->polarity == NORMAL ? 0 : 1);
1602         if (led->flash) {
1603                 return seq_printf(m, "f\n");
1604         } else if ((led->gpio & GPIO_TYPE_MASK) != GPIO_TYPE_NORMAL) {
1605                 return seq_printf(m, "%d\n", ((led->state ^ p) ? 1 : 0));
1606         } else {
1607                 u32 in = (bcm47xx_gpio_in(~0) & led->gpio ? 1 : 0);
1608                 return seq_printf(m, "%d\n", ((in ^ p) ? 1 : 0));
1609         }
1610 }
1611
1612 static int diag_led_open(struct inode *inode, struct file *file)
1613 {
1614         return single_open(file, diag_led_show, PDE_DATA(inode));
1615 }
1616
1617 static ssize_t diag_led_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1618 {
1619         struct led_t *led = PDE_DATA(file_inode(file));
1620         char cmd[5];
1621         size_t len;
1622         int p;
1623
1624         len = min(count, sizeof(cmd) - 1);
1625         if (copy_from_user(cmd, buf, len))
1626                 return -EFAULT;
1627
1628         cmd[len] = 0;
1629
1630         p = (led->polarity == NORMAL ? 0 : 1);
1631         if (cmd[0] == 'f') {
1632                 led->flash = 1;
1633                 led_flash(0);
1634         } else {
1635                 led->flash = 0;
1636                 if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_EXTIF) {
1637                         led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1638                         set_led_extif(led);
1639                 } else if ((led->gpio & GPIO_TYPE_MASK) == GPIO_TYPE_SHIFT) {
1640                         led->state = p ^ ((cmd[0] == '1') ? 1 : 0);
1641                         set_led_shift(led);
1642                 } else {
1643                         bcm47xx_gpio_outen(led->gpio, led->gpio);
1644                         bcm47xx_gpio_control(led->gpio, 0);
1645                         bcm47xx_gpio_out(led->gpio, ((p ^ (cmd[0] == '1')) ? led->gpio : 0));
1646                 }
1647         }
1648         return count;
1649 }
1650
1651 static const struct file_operations diag_led_fops = {
1652         .open = diag_led_open,
1653         .read = seq_read,
1654         .llseek = seq_lseek,
1655         .write = diag_led_write
1656 };
1657
1658 static void register_leds(struct led_t *l)
1659 {
1660         struct proc_dir_entry *p;
1661         u32 mask = 0;
1662         u32 oe_mask = 0;
1663         u32 val = 0;
1664
1665         leds = proc_mkdir("led", diag);
1666         if (!leds)
1667                 return;
1668
1669         for(; l->name; l++) {
1670                 if (l->gpio & gpiomask)
1671                         continue;
1672
1673                 switch (l->gpio & GPIO_TYPE_MASK) {
1674                 case GPIO_TYPE_EXTIF:
1675                         l->state = 0;
1676                         set_led_extif(l);
1677                         break;
1678                 case GPIO_TYPE_SHIFT:
1679                         mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1680                         oe_mask |= (SHIFTREG_DATA | SHIFTREG_CLK);
1681                         l->state = (l->polarity != NORMAL);
1682                         set_led_shift(l);
1683                         break;
1684                 case GPIO_TYPE_NORMAL:
1685                 default:
1686                         if (l->polarity != INPUT) oe_mask |= l->gpio;
1687                         mask |= l->gpio;
1688                         val |= (l->polarity == NORMAL)?0:l->gpio;
1689                         break;
1690                 }
1691
1692                 if (l->polarity == INPUT) continue;
1693
1694                 p = proc_create_data(l->name, S_IRUSR, leds, &diag_led_fops, l);
1695         }
1696
1697         bcm47xx_gpio_outen(mask, oe_mask);
1698         bcm47xx_gpio_control(mask, 0);
1699         bcm47xx_gpio_out(mask, val);
1700         bcm47xx_gpio_intmask(mask, 0);
1701 }
1702
1703 static void unregister_leds(struct led_t *l)
1704 {
1705         for(; l->name; l++)
1706                 remove_proc_entry(l->name, leds);
1707
1708         remove_proc_entry("led", diag);
1709 }
1710
1711 static int diag_model_show(struct seq_file *m, void *v)
1712 {
1713         return seq_printf(m, "%s\n", platform.name);
1714 }
1715
1716 static int diag_model_open(struct inode *inode, struct file *file)
1717 {
1718         return single_open(file, diag_model_show, PDE_DATA(inode));
1719 }
1720
1721 static const struct file_operations diag_model_fops = {
1722         .open = diag_model_open,
1723         .read = seq_read,
1724         .llseek = seq_lseek
1725 };
1726
1727 static int diag_gpiomask_show(struct seq_file *m, void *v)
1728 {
1729         return seq_printf(m, "0x%04x\n", gpiomask);
1730 }
1731
1732 static int diag_gpiomask_open(struct inode *inode, struct file *file)
1733 {
1734         return single_open(file, diag_gpiomask_show, PDE_DATA(inode));
1735 }
1736
1737 static ssize_t diag_gpiomask_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
1738 {
1739         int err = kstrtouint_from_user(buf, count, 0, &gpiomask);
1740         if (err)
1741                 return err;
1742
1743         if (platform.buttons) {
1744                 unregister_buttons(platform.buttons);
1745                 register_buttons(platform.buttons);
1746         }
1747
1748         if (platform.leds) {
1749                 unregister_leds(platform.leds);
1750                 register_leds(platform.leds);
1751         }
1752
1753         return count;
1754 }
1755
1756 static const struct file_operations diag_gpiomask_fops = {
1757         .open = diag_gpiomask_open,
1758         .read = seq_read,
1759         .llseek = seq_lseek,
1760         .write = diag_gpiomask_write
1761 };
1762
1763 static int __init diag_init(void)
1764 {
1765         static struct proc_dir_entry *p;
1766         static struct platform_t *detected;
1767
1768         detected = platform_detect();
1769         if (!detected) {
1770                 printk(MODULE_NAME ": Router model not detected.\n");
1771                 return -ENODEV;
1772         }
1773         memcpy(&platform, detected, sizeof(struct platform_t));
1774
1775         printk(MODULE_NAME ": Detected '%s'\n", platform.name);
1776         if (platform.platform_init != NULL) {
1777                 platform.platform_init();
1778         }
1779
1780         if (!(diag = proc_mkdir("diag", NULL))) {
1781                 printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
1782                 return -EINVAL;
1783         }
1784
1785         p = proc_create("model", S_IRUSR, diag, &diag_model_fops);
1786         if (!p) {
1787                 remove_proc_entry("diag", NULL);
1788                 return -EINVAL;
1789         }
1790
1791         p = proc_create("gpiomask", S_IRUSR | S_IWUSR, diag, &diag_gpiomask_fops);
1792         if (!p) {
1793                 remove_proc_entry("model", diag);
1794                 remove_proc_entry("diag", NULL);
1795                 return -EINVAL;
1796         }
1797
1798         if (platform.buttons)
1799                 register_buttons(platform.buttons);
1800
1801         if (platform.leds)
1802                 register_leds(platform.leds);
1803
1804         return 0;
1805 }
1806
1807 static void __exit diag_exit(void)
1808 {
1809         del_timer(&led_timer);
1810
1811         if (platform.buttons)
1812                 unregister_buttons(platform.buttons);
1813
1814         if (platform.leds)
1815                 unregister_leds(platform.leds);
1816
1817         remove_proc_entry("model", diag);
1818         remove_proc_entry("gpiomask", diag);
1819         remove_proc_entry("diag", NULL);
1820 }
1821
1822 module_init(diag_init);
1823 module_exit(diag_exit);
1824
1825 MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
1826 MODULE_LICENSE("GPL");