drivers/media/usb/go7007/go7007-usb.c

   1 /*
   2  * Copyright (C) 2005-2006 Micronas USA Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License (Version 2) as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/wait.h>
  19 #include <linux/list.h>
  20 #include <linux/slab.h>
  21 #include <linux/time.h>
  22 #include <linux/mm.h>
  23 #include <linux/usb.h>
  24 #include <linux/i2c.h>
  25 #include <asm/byteorder.h>
  26 #include <media/i2c/saa7115.h>
  27 #include <media/tuner.h>
  28 #include <media/i2c/uda1342.h>
  29
  30 #include "go7007-priv.h"
  31
  32 static unsigned int assume_endura;
  33 module_param(assume_endura, int, 0644);
  34 MODULE_PARM_DESC(assume_endura,
  35                         "when probing fails, hardware is a Pelco Endura");
  36
  37 /* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
  38
  39 #define HPI_STATUS_ADDR 0xFFF4
  40 #define INT_PARAM_ADDR  0xFFF6
  41 #define INT_INDEX_ADDR  0xFFF8
  42
  43 /*
  44  * Pipes on EZ-USB interface:
  45  *      0 snd - Control
  46  *      0 rcv - Control
  47  *      2 snd - Download firmware (control)
  48  *      4 rcv - Read Interrupt (interrupt)
  49  *      6 rcv - Read Video (bulk)
  50  *      8 rcv - Read Audio (bulk)
  51  */
  52
  53 #define GO7007_USB_EZUSB                (1<<0)
  54 #define GO7007_USB_EZUSB_I2C            (1<<1)
  55
  56 struct go7007_usb_board {
  57         unsigned int flags;
  58         struct go7007_board_info main_info;
  59 };
  60
  61 struct go7007_usb {
  62         const struct go7007_usb_board *board;
  63         struct mutex i2c_lock;
  64         struct usb_device *usbdev;
  65         struct urb *video_urbs[8];
  66         struct urb *audio_urbs[8];
  67         struct urb *intr_urb;
  68 };
  69
  70 /*********************** Product specification data ***********************/
  71
  72 static const struct go7007_usb_board board_matrix_ii = {
  73         .flags          = GO7007_USB_EZUSB,
  74         .main_info      = {
  75                 .flags           = GO7007_BOARD_HAS_AUDIO |
  76                                         GO7007_BOARD_USE_ONBOARD_I2C,
  77                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
  78                                         GO7007_AUDIO_WORD_16,
  79                 .audio_rate      = 48000,
  80                 .audio_bclk_div  = 8,
  81                 .audio_main_div  = 2,
  82                 .hpi_buffer_cap  = 7,
  83                 .sensor_flags    = GO7007_SENSOR_656 |
  84                                         GO7007_SENSOR_VALID_ENABLE |
  85                                         GO7007_SENSOR_TV |
  86                                         GO7007_SENSOR_SAA7115 |
  87                                         GO7007_SENSOR_VBI |
  88                                         GO7007_SENSOR_SCALING,
  89                 .num_i2c_devs    = 1,
  90                 .i2c_devs        = {
  91                         {
  92                                 .type   = "saa7115",
  93                                 .addr   = 0x20,
  94                                 .is_video = 1,
  95                         },
  96                 },
  97                 .num_inputs      = 2,
  98                 .inputs          = {
  99                         {
 100                                 .video_input    = 0,
 101                                 .name           = "Composite",
 102                         },
 103                         {
 104                                 .video_input    = 9,
 105                                 .name           = "S-Video",
 106                         },
 107                 },
 108                 .video_config   = SAA7115_IDQ_IS_DEFAULT,
 109         },
 110 };
 111
 112 static const struct go7007_usb_board board_matrix_reload = {
 113         .flags          = GO7007_USB_EZUSB,
 114         .main_info      = {
 115                 .flags           = GO7007_BOARD_HAS_AUDIO |
 116                                         GO7007_BOARD_USE_ONBOARD_I2C,
 117                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 118                                         GO7007_AUDIO_I2S_MASTER |
 119                                         GO7007_AUDIO_WORD_16,
 120                 .audio_rate      = 48000,
 121                 .audio_bclk_div  = 8,
 122                 .audio_main_div  = 2,
 123                 .hpi_buffer_cap  = 7,
 124                 .sensor_flags    = GO7007_SENSOR_656 |
 125                                         GO7007_SENSOR_TV,
 126                 .num_i2c_devs    = 1,
 127                 .i2c_devs        = {
 128                         {
 129                                 .type   = "saa7113",
 130                                 .addr   = 0x25,
 131                                 .is_video = 1,
 132                         },
 133                 },
 134                 .num_inputs      = 2,
 135                 .inputs          = {
 136                         {
 137                                 .video_input    = 0,
 138                                 .name           = "Composite",
 139                         },
 140                         {
 141                                 .video_input    = 9,
 142                                 .name           = "S-Video",
 143                         },
 144                 },
 145                 .video_config   = SAA7115_IDQ_IS_DEFAULT,
 146         },
 147 };
 148
 149 static const struct go7007_usb_board board_star_trek = {
 150         .flags          = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
 151         .main_info      = {
 152                 .flags           = GO7007_BOARD_HAS_AUDIO, /* |
 153                                         GO7007_BOARD_HAS_TUNER, */
 154                 .sensor_flags    = GO7007_SENSOR_656 |
 155                                         GO7007_SENSOR_VALID_ENABLE |
 156                                         GO7007_SENSOR_TV |
 157                                         GO7007_SENSOR_SAA7115 |
 158                                         GO7007_SENSOR_VBI |
 159                                         GO7007_SENSOR_SCALING,
 160                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 161                                         GO7007_AUDIO_WORD_16,
 162                 .audio_bclk_div  = 8,
 163                 .audio_main_div  = 2,
 164                 .hpi_buffer_cap  = 7,
 165                 .num_i2c_devs    = 1,
 166                 .i2c_devs        = {
 167                         {
 168                                 .type   = "saa7115",
 169                                 .addr   = 0x20,
 170                                 .is_video = 1,
 171                         },
 172                 },
 173                 .num_inputs      = 2,
 174                 .inputs          = {
 175                 /*      {
 176                  *              .video_input    = 3,
 177                  *              .audio_index    = AUDIO_TUNER,
 178                  *              .name           = "Tuner",
 179                  *      },
 180                  */
 181                         {
 182                                 .video_input    = 1,
 183                         /*      .audio_index    = AUDIO_EXTERN, */
 184                                 .name           = "Composite",
 185                         },
 186                         {
 187                                 .video_input    = 8,
 188                         /*      .audio_index    = AUDIO_EXTERN, */
 189                                 .name           = "S-Video",
 190                         },
 191                 },
 192                 .video_config   = SAA7115_IDQ_IS_DEFAULT,
 193         },
 194 };
 195
 196 static const struct go7007_usb_board board_px_tv402u = {
 197         .flags          = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
 198         .main_info      = {
 199                 .flags           = GO7007_BOARD_HAS_AUDIO |
 200                                         GO7007_BOARD_HAS_TUNER,
 201                 .sensor_flags    = GO7007_SENSOR_656 |
 202                                         GO7007_SENSOR_VALID_ENABLE |
 203                                         GO7007_SENSOR_TV |
 204                                         GO7007_SENSOR_SAA7115 |
 205                                         GO7007_SENSOR_VBI |
 206                                         GO7007_SENSOR_SCALING,
 207                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 208                                         GO7007_AUDIO_WORD_16,
 209                 .audio_bclk_div  = 8,
 210                 .audio_main_div  = 2,
 211                 .hpi_buffer_cap  = 7,
 212                 .num_i2c_devs    = 5,
 213                 .i2c_devs        = {
 214                         {
 215                                 .type   = "saa7115",
 216                                 .addr   = 0x20,
 217                                 .is_video = 1,
 218                         },
 219                         {
 220                                 .type   = "uda1342",
 221                                 .addr   = 0x1a,
 222                                 .is_audio = 1,
 223                         },
 224                         {
 225                                 .type   = "tuner",
 226                                 .addr   = 0x60,
 227                         },
 228                         {
 229                                 .type   = "tuner",
 230                                 .addr   = 0x43,
 231                         },
 232                         {
 233                                 .type   = "sony-btf-mpx",
 234                                 .addr   = 0x44,
 235                         },
 236                 },
 237                 .num_inputs      = 3,
 238                 .inputs          = {
 239                         {
 240                                 .video_input    = 3,
 241                                 .audio_index    = 0,
 242                                 .name           = "Tuner",
 243                         },
 244                         {
 245                                 .video_input    = 1,
 246                                 .audio_index    = 1,
 247                                 .name           = "Composite",
 248                         },
 249                         {
 250                                 .video_input    = 8,
 251                                 .audio_index    = 1,
 252                                 .name           = "S-Video",
 253                         },
 254                 },
 255                 .video_config   = SAA7115_IDQ_IS_DEFAULT,
 256                 .num_aud_inputs  = 2,
 257                 .aud_inputs      = {
 258                         {
 259                                 .audio_input    = UDA1342_IN2,
 260                                 .name           = "Tuner",
 261                         },
 262                         {
 263                                 .audio_input    = UDA1342_IN1,
 264                                 .name           = "Line In",
 265                         },
 266                 },
 267         },
 268 };
 269
 270 static const struct go7007_usb_board board_xmen = {
 271         .flags          = 0,
 272         .main_info      = {
 273                 .flags            = GO7007_BOARD_USE_ONBOARD_I2C,
 274                 .hpi_buffer_cap   = 0,
 275                 .sensor_flags     = GO7007_SENSOR_VREF_POLAR,
 276                 .sensor_width     = 320,
 277                 .sensor_height    = 240,
 278                 .sensor_framerate = 30030,
 279                 .audio_flags      = GO7007_AUDIO_ONE_CHANNEL |
 280                                         GO7007_AUDIO_I2S_MODE_3 |
 281                                         GO7007_AUDIO_WORD_14 |
 282                                         GO7007_AUDIO_I2S_MASTER |
 283                                         GO7007_AUDIO_BCLK_POLAR |
 284                                         GO7007_AUDIO_OKI_MODE,
 285                 .audio_rate       = 8000,
 286                 .audio_bclk_div   = 48,
 287                 .audio_main_div   = 1,
 288                 .num_i2c_devs     = 1,
 289                 .i2c_devs         = {
 290                         {
 291                                 .type   = "ov7640",
 292                                 .addr   = 0x21,
 293                         },
 294                 },
 295                 .num_inputs       = 1,
 296                 .inputs           = {
 297                         {
 298                                 .name           = "Camera",
 299                         },
 300                 },
 301         },
 302 };
 303
 304 static const struct go7007_usb_board board_matrix_revolution = {
 305         .flags          = GO7007_USB_EZUSB,
 306         .main_info      = {
 307                 .flags           = GO7007_BOARD_HAS_AUDIO |
 308                                         GO7007_BOARD_USE_ONBOARD_I2C,
 309                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 310                                         GO7007_AUDIO_I2S_MASTER |
 311                                         GO7007_AUDIO_WORD_16,
 312                 .audio_rate      = 48000,
 313                 .audio_bclk_div  = 8,
 314                 .audio_main_div  = 2,
 315                 .hpi_buffer_cap  = 7,
 316                 .sensor_flags    = GO7007_SENSOR_656 |
 317                                         GO7007_SENSOR_TV |
 318                                         GO7007_SENSOR_VBI,
 319                 .num_i2c_devs    = 1,
 320                 .i2c_devs        = {
 321                         {
 322                                 .type   = "tw9903",
 323                                 .is_video = 1,
 324                                 .addr   = 0x44,
 325                         },
 326                 },
 327                 .num_inputs      = 2,
 328                 .inputs          = {
 329                         {
 330                                 .video_input    = 2,
 331                                 .name           = "Composite",
 332                         },
 333                         {
 334                                 .video_input    = 8,
 335                                 .name           = "S-Video",
 336                         },
 337                 },
 338         },
 339 };
 340
 341 #if 0
 342 static const struct go7007_usb_board board_lifeview_lr192 = {
 343         .flags          = GO7007_USB_EZUSB,
 344         .main_info      = {
 345                 .flags           = GO7007_BOARD_HAS_AUDIO |
 346                                         GO7007_BOARD_USE_ONBOARD_I2C,
 347                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 348                                         GO7007_AUDIO_WORD_16,
 349                 .audio_rate      = 48000,
 350                 .audio_bclk_div  = 8,
 351                 .audio_main_div  = 2,
 352                 .hpi_buffer_cap  = 7,
 353                 .sensor_flags    = GO7007_SENSOR_656 |
 354                                         GO7007_SENSOR_VALID_ENABLE |
 355                                         GO7007_SENSOR_TV |
 356                                         GO7007_SENSOR_VBI |
 357                                         GO7007_SENSOR_SCALING,
 358                 .num_i2c_devs    = 0,
 359                 .num_inputs      = 1,
 360                 .inputs          = {
 361                         {
 362                                 .video_input    = 0,
 363                                 .name           = "Composite",
 364                         },
 365                 },
 366         },
 367 };
 368 #endif
 369
 370 static const struct go7007_usb_board board_endura = {
 371         .flags          = 0,
 372         .main_info      = {
 373                 .flags           = 0,
 374                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 375                                         GO7007_AUDIO_I2S_MASTER |
 376                                         GO7007_AUDIO_WORD_16,
 377                 .audio_rate      = 8000,
 378                 .audio_bclk_div  = 48,
 379                 .audio_main_div  = 8,
 380                 .hpi_buffer_cap  = 0,
 381                 .sensor_flags    = GO7007_SENSOR_656 |
 382                                         GO7007_SENSOR_TV,
 383                 .sensor_h_offset = 8,
 384                 .num_i2c_devs    = 0,
 385                 .num_inputs      = 1,
 386                 .inputs          = {
 387                         {
 388                                 .name           = "Camera",
 389                         },
 390                 },
 391         },
 392 };
 393
 394 static const struct go7007_usb_board board_adlink_mpg24 = {
 395         .flags          = 0,
 396         .main_info      = {
 397                 .flags           = GO7007_BOARD_USE_ONBOARD_I2C,
 398                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 399                                         GO7007_AUDIO_I2S_MASTER |
 400                                         GO7007_AUDIO_WORD_16,
 401                 .audio_rate      = 48000,
 402                 .audio_bclk_div  = 8,
 403                 .audio_main_div  = 2,
 404                 .hpi_buffer_cap  = 0,
 405                 .sensor_flags    = GO7007_SENSOR_656 |
 406                                         GO7007_SENSOR_TV |
 407                                         GO7007_SENSOR_VBI,
 408                 .num_i2c_devs    = 1,
 409                 .i2c_devs        = {
 410                         {
 411                                 .type   = "tw2804",
 412                                 .addr   = 0x00, /* yes, really */
 413                                 .flags  = I2C_CLIENT_TEN,
 414                                 .is_video = 1,
 415                         },
 416                 },
 417                 .num_inputs      = 1,
 418                 .inputs          = {
 419                         {
 420                                 .name           = "Composite",
 421                         },
 422                 },
 423         },
 424 };
 425
 426 static const struct go7007_usb_board board_sensoray_2250 = {
 427         .flags          = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
 428         .main_info      = {
 429                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 430                                         GO7007_AUDIO_I2S_MASTER |
 431                                         GO7007_AUDIO_WORD_16,
 432                 .flags           = GO7007_BOARD_HAS_AUDIO,
 433                 .audio_rate      = 48000,
 434                 .audio_bclk_div  = 8,
 435                 .audio_main_div  = 2,
 436                 .hpi_buffer_cap  = 7,
 437                 .sensor_flags    = GO7007_SENSOR_656 |
 438                                         GO7007_SENSOR_TV,
 439                 .num_i2c_devs    = 1,
 440                 .i2c_devs        = {
 441                         {
 442                                 .type   = "s2250",
 443                                 .addr   = 0x43,
 444                                 .is_video = 1,
 445                                 .is_audio = 1,
 446                         },
 447                 },
 448                 .num_inputs      = 2,
 449                 .inputs          = {
 450                         {
 451                                 .video_input    = 0,
 452                                 .name           = "Composite",
 453                         },
 454                         {
 455                                 .video_input    = 1,
 456                                 .name           = "S-Video",
 457                         },
 458                 },
 459                 .num_aud_inputs  = 3,
 460                 .aud_inputs      = {
 461                         {
 462                                 .audio_input    = 0,
 463                                 .name           = "Line In",
 464                         },
 465                         {
 466                                 .audio_input    = 1,
 467                                 .name           = "Mic",
 468                         },
 469                         {
 470                                 .audio_input    = 2,
 471                                 .name           = "Mic Boost",
 472                         },
 473                 },
 474         },
 475 };
 476
 477 static const struct go7007_usb_board board_ads_usbav_709 = {
 478         .flags          = GO7007_USB_EZUSB,
 479         .main_info      = {
 480                 .flags           = GO7007_BOARD_HAS_AUDIO |
 481                                         GO7007_BOARD_USE_ONBOARD_I2C,
 482                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 483                                         GO7007_AUDIO_I2S_MASTER |
 484                                         GO7007_AUDIO_WORD_16,
 485                 .audio_rate      = 48000,
 486                 .audio_bclk_div  = 8,
 487                 .audio_main_div  = 2,
 488                 .hpi_buffer_cap  = 7,
 489                 .sensor_flags    = GO7007_SENSOR_656 |
 490                                         GO7007_SENSOR_TV |
 491                                         GO7007_SENSOR_VBI,
 492                 .num_i2c_devs    = 1,
 493                 .i2c_devs        = {
 494                         {
 495                                 .type   = "tw9906",
 496                                 .is_video = 1,
 497                                 .addr   = 0x44,
 498                         },
 499                 },
 500                 .num_inputs      = 2,
 501                 .inputs          = {
 502                         {
 503                                 .video_input    = 0,
 504                                 .name           = "Composite",
 505                         },
 506                         {
 507                                 .video_input    = 10,
 508                                 .name           = "S-Video",
 509                         },
 510                 },
 511         },
 512 };
 513
 514 static const struct usb_device_id go7007_usb_id_table[] = {
 515         {
 516                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 517                                         USB_DEVICE_ID_MATCH_INT_INFO,
 518                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 519                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 520                 .bcdDevice_lo   = 0x200,   /* Revision number of XMen */
 521                 .bcdDevice_hi   = 0x200,
 522                 .bInterfaceClass        = 255,
 523                 .bInterfaceSubClass     = 0,
 524                 .bInterfaceProtocol     = 255,
 525                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN,
 526         },
 527         {
 528                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 529                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 530                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 531                 .bcdDevice_lo   = 0x202,   /* Revision number of Matrix II */
 532                 .bcdDevice_hi   = 0x202,
 533                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
 534         },
 535         {
 536                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 537                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 538                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 539                 .bcdDevice_lo   = 0x204,   /* Revision number of Matrix */
 540                 .bcdDevice_hi   = 0x204,   /*     Reloaded */
 541                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
 542         },
 543         {
 544                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 545                                         USB_DEVICE_ID_MATCH_INT_INFO,
 546                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 547                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 548                 .bcdDevice_lo   = 0x205,   /* Revision number of XMen-II */
 549                 .bcdDevice_hi   = 0x205,
 550                 .bInterfaceClass        = 255,
 551                 .bInterfaceSubClass     = 0,
 552                 .bInterfaceProtocol     = 255,
 553                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
 554         },
 555         {
 556                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 557                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 558                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 559                 .bcdDevice_lo   = 0x208,   /* Revision number of Star Trek */
 560                 .bcdDevice_hi   = 0x208,
 561                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
 562         },
 563         {
 564                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 565                                         USB_DEVICE_ID_MATCH_INT_INFO,
 566                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 567                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 568                 .bcdDevice_lo   = 0x209,   /* Revision number of XMen-III */
 569                 .bcdDevice_hi   = 0x209,
 570                 .bInterfaceClass        = 255,
 571                 .bInterfaceSubClass     = 0,
 572                 .bInterfaceProtocol     = 255,
 573                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
 574         },
 575         {
 576                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 577                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 578                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 579                 .bcdDevice_lo   = 0x210,   /* Revision number of Matrix */
 580                 .bcdDevice_hi   = 0x210,   /*     Revolution */
 581                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
 582         },
 583         {
 584                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 585                 .idVendor       = 0x093b,  /* Vendor ID of Plextor */
 586                 .idProduct      = 0xa102,  /* Product ID of M402U */
 587                 .bcdDevice_lo   = 0x1,     /* revision number of Blueberry */
 588                 .bcdDevice_hi   = 0x1,
 589                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
 590         },
 591         {
 592                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 593                 .idVendor       = 0x093b,  /* Vendor ID of Plextor */
 594                 .idProduct      = 0xa104,  /* Product ID of TV402U */
 595                 .bcdDevice_lo   = 0x1,
 596                 .bcdDevice_hi   = 0x1,
 597                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_PX_TV402U,
 598         },
 599         {
 600                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 601                 .idVendor       = 0x10fd,  /* Vendor ID of Anubis Electronics */
 602                 .idProduct      = 0xde00,  /* Product ID of Lifeview LR192 */
 603                 .bcdDevice_lo   = 0x1,
 604                 .bcdDevice_hi   = 0x1,
 605                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
 606         },
 607         {
 608                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 609                 .idVendor       = 0x1943,  /* Vendor ID Sensoray */
 610                 .idProduct      = 0x2250,  /* Product ID of 2250/2251 */
 611                 .bcdDevice_lo   = 0x1,
 612                 .bcdDevice_hi   = 0x1,
 613                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
 614         },
 615         {
 616                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 617                 .idVendor       = 0x06e1,  /* Vendor ID of ADS Technologies */
 618                 .idProduct      = 0x0709,  /* Product ID of DVD Xpress DX2 */
 619                 .bcdDevice_lo   = 0x204,
 620                 .bcdDevice_hi   = 0x204,
 621                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_ADS_USBAV_709,
 622         },
 623         { }                                     /* Terminating entry */
 624 };
 625
 626 MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
 627
 628 /********************* Driver for EZ-USB HPI interface *********************/
 629
 630 static int go7007_usb_vendor_request(struct go7007 *go, int request,
 631                 int value, int index, void *transfer_buffer, int length, int in)
 632 {
 633         struct go7007_usb *usb = go->hpi_context;
 634         int timeout = 5000;
 635
 636         if (in) {
 637                 return usb_control_msg(usb->usbdev,
 638                                 usb_rcvctrlpipe(usb->usbdev, 0), request,
 639                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 640                                 value, index, transfer_buffer, length, timeout);
 641         } else {
 642                 return usb_control_msg(usb->usbdev,
 643                                 usb_sndctrlpipe(usb->usbdev, 0), request,
 644                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 645                                 value, index, transfer_buffer, length, timeout);
 646         }
 647 }
 648
 649 static int go7007_usb_interface_reset(struct go7007 *go)
 650 {
 651         struct go7007_usb *usb = go->hpi_context;
 652         u16 intr_val, intr_data;
 653
 654         if (go->status == STATUS_SHUTDOWN)
 655                 return -1;
 656         /* Reset encoder */
 657         if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
 658                 return -1;
 659         msleep(100);
 660
 661         if (usb->board->flags & GO7007_USB_EZUSB) {
 662                 /* Reset buffer in EZ-USB */
 663                 pr_debug("resetting EZ-USB buffers\n");
 664                 if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
 665                     go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
 666                         return -1;
 667
 668                 /* Reset encoder again */
 669                 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
 670                         return -1;
 671                 msleep(100);
 672         }
 673
 674         /* Wait for an interrupt to indicate successful hardware reset */
 675         if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
 676                         (intr_val & ~0x1) != 0x55aa) {
 677                 dev_err(go->dev, "unable to reset the USB interface\n");
 678                 return -1;
 679         }
 680         return 0;
 681 }
 682
 683 static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
 684                                                 int addr, int data)
 685 {
 686         struct go7007_usb *usb = go->hpi_context;
 687         int i, r;
 688         u16 status_reg = 0;
 689         int timeout = 500;
 690
 691         pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
 692
 693         for (i = 0; i < 100; ++i) {
 694                 r = usb_control_msg(usb->usbdev,
 695                                 usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
 696                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 697                                 0, HPI_STATUS_ADDR, go->usb_buf,
 698                                 sizeof(status_reg), timeout);
 699                 if (r < 0)
 700                         break;
 701                 status_reg = le16_to_cpu(*((__le16 *)go->usb_buf));
 702                 if (!(status_reg & 0x0010))
 703                         break;
 704                 msleep(10);
 705         }
 706         if (r < 0)
 707                 goto write_int_error;
 708         if (i == 100) {
 709                 dev_err(go->dev, "device is hung, status reg = 0x%04x\n", status_reg);
 710                 return -1;
 711         }
 712         r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
 713                         USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
 714                         INT_PARAM_ADDR, NULL, 0, timeout);
 715         if (r < 0)
 716                 goto write_int_error;
 717         r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
 718                         0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
 719                         INT_INDEX_ADDR, NULL, 0, timeout);
 720         if (r < 0)
 721                 goto write_int_error;
 722         return 0;
 723
 724 write_int_error:
 725         dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
 726         return r;
 727 }
 728
 729 static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
 730                                                 int addr, int data)
 731 {
 732         struct go7007_usb *usb = go->hpi_context;
 733         int r;
 734         int timeout = 500;
 735
 736         pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
 737
 738         go->usb_buf[0] = data & 0xff;
 739         go->usb_buf[1] = data >> 8;
 740         go->usb_buf[2] = addr & 0xff;
 741         go->usb_buf[3] = addr >> 8;
 742         go->usb_buf[4] = go->usb_buf[5] = go->usb_buf[6] = go->usb_buf[7] = 0;
 743         r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
 744                         USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
 745                         0xf0f0, go->usb_buf, 8, timeout);
 746         if (r < 0) {
 747                 dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
 748                 return r;
 749         }
 750         return 0;
 751 }
 752
 753 static void go7007_usb_readinterrupt_complete(struct urb *urb)
 754 {
 755         struct go7007 *go = (struct go7007 *)urb->context;
 756         __le16 *regs = (__le16 *)urb->transfer_buffer;
 757         int status = urb->status;
 758
 759         if (status) {
 760                 if (status != -ESHUTDOWN &&
 761                                 go->status != STATUS_SHUTDOWN) {
 762                         dev_err(go->dev, "error in read interrupt: %d\n", urb->status);
 763                 } else {
 764                         wake_up(&go->interrupt_waitq);
 765                         return;
 766                 }
 767         } else if (urb->actual_length != urb->transfer_buffer_length) {
 768                 dev_err(go->dev, "short read in interrupt pipe!\n");
 769         } else {
 770                 go->interrupt_available = 1;
 771                 go->interrupt_data = __le16_to_cpu(regs[0]);
 772                 go->interrupt_value = __le16_to_cpu(regs[1]);
 773                 pr_debug("ReadInterrupt: %04x %04x\n",
 774                                 go->interrupt_value, go->interrupt_data);
 775         }
 776
 777         wake_up(&go->interrupt_waitq);
 778 }
 779
 780 static int go7007_usb_read_interrupt(struct go7007 *go)
 781 {
 782         struct go7007_usb *usb = go->hpi_context;
 783         int r;
 784
 785         r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
 786         if (r < 0) {
 787                 dev_err(go->dev, "unable to submit interrupt urb: %d\n", r);
 788                 return r;
 789         }
 790         return 0;
 791 }
 792
 793 static void go7007_usb_read_video_pipe_complete(struct urb *urb)
 794 {
 795         struct go7007 *go = (struct go7007 *)urb->context;
 796         int r, status = urb->status;
 797
 798         if (!vb2_is_streaming(&go->vidq)) {
 799                 wake_up_interruptible(&go->frame_waitq);
 800                 return;
 801         }
 802         if (status) {
 803                 dev_err(go->dev, "error in video pipe: %d\n", status);
 804                 return;
 805         }
 806         if (urb->actual_length != urb->transfer_buffer_length) {
 807                 dev_err(go->dev, "short read in video pipe!\n");
 808                 return;
 809         }
 810         go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
 811         r = usb_submit_urb(urb, GFP_ATOMIC);
 812         if (r < 0)
 813                 dev_err(go->dev, "error in video pipe: %d\n", r);
 814 }
 815
 816 static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
 817 {
 818         struct go7007 *go = (struct go7007 *)urb->context;
 819         int r, status = urb->status;
 820
 821         if (!vb2_is_streaming(&go->vidq))
 822                 return;
 823         if (status) {
 824                 dev_err(go->dev, "error in audio pipe: %d\n",
 825                         status);
 826                 return;
 827         }
 828         if (urb->actual_length != urb->transfer_buffer_length) {
 829                 dev_err(go->dev, "short read in audio pipe!\n");
 830                 return;
 831         }
 832         if (go->audio_deliver != NULL)
 833                 go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
 834         r = usb_submit_urb(urb, GFP_ATOMIC);
 835         if (r < 0)
 836                 dev_err(go->dev, "error in audio pipe: %d\n", r);
 837 }
 838
 839 static int go7007_usb_stream_start(struct go7007 *go)
 840 {
 841         struct go7007_usb *usb = go->hpi_context;
 842         int i, r;
 843
 844         for (i = 0; i < 8; ++i) {
 845                 r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
 846                 if (r < 0) {
 847                         dev_err(go->dev, "error submitting video urb %d: %d\n", i, r);
 848                         goto video_submit_failed;
 849                 }
 850         }
 851         if (!go->audio_enabled)
 852                 return 0;
 853
 854         for (i = 0; i < 8; ++i) {
 855                 r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
 856                 if (r < 0) {
 857                         dev_err(go->dev, "error submitting audio urb %d: %d\n", i, r);
 858                         goto audio_submit_failed;
 859                 }
 860         }
 861         return 0;
 862
 863 audio_submit_failed:
 864         for (i = 0; i < 7; ++i)
 865                 usb_kill_urb(usb->audio_urbs[i]);
 866 video_submit_failed:
 867         for (i = 0; i < 8; ++i)
 868                 usb_kill_urb(usb->video_urbs[i]);
 869         return -1;
 870 }
 871
 872 static int go7007_usb_stream_stop(struct go7007 *go)
 873 {
 874         struct go7007_usb *usb = go->hpi_context;
 875         int i;
 876
 877         if (go->status == STATUS_SHUTDOWN)
 878                 return 0;
 879         for (i = 0; i < 8; ++i)
 880                 usb_kill_urb(usb->video_urbs[i]);
 881         if (go->audio_enabled)
 882                 for (i = 0; i < 8; ++i)
 883                         usb_kill_urb(usb->audio_urbs[i]);
 884         return 0;
 885 }
 886
 887 static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
 888 {
 889         struct go7007_usb *usb = go->hpi_context;
 890         int transferred, pipe;
 891         int timeout = 500;
 892
 893         pr_debug("DownloadBuffer sending %d bytes\n", len);
 894
 895         if (usb->board->flags & GO7007_USB_EZUSB)
 896                 pipe = usb_sndbulkpipe(usb->usbdev, 2);
 897         else
 898                 pipe = usb_sndbulkpipe(usb->usbdev, 3);
 899
 900         return usb_bulk_msg(usb->usbdev, pipe, data, len,
 901                                         &transferred, timeout);
 902 }
 903
 904 static void go7007_usb_release(struct go7007 *go)
 905 {
 906         struct go7007_usb *usb = go->hpi_context;
 907         struct urb *vurb, *aurb;
 908         int i;
 909
 910         if (usb->intr_urb) {
 911                 usb_kill_urb(usb->intr_urb);
 912                 kfree(usb->intr_urb->transfer_buffer);
 913                 usb_free_urb(usb->intr_urb);
 914         }
 915
 916         /* Free USB-related structs */
 917         for (i = 0; i < 8; ++i) {
 918                 vurb = usb->video_urbs[i];
 919                 if (vurb) {
 920                         usb_kill_urb(vurb);
 921                         kfree(vurb->transfer_buffer);
 922                         usb_free_urb(vurb);
 923                 }
 924                 aurb = usb->audio_urbs[i];
 925                 if (aurb) {
 926                         usb_kill_urb(aurb);
 927                         kfree(aurb->transfer_buffer);
 928                         usb_free_urb(aurb);
 929                 }
 930         }
 931
 932         kfree(go->hpi_context);
 933 }
 934
 935 static const struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
 936         .interface_reset        = go7007_usb_interface_reset,
 937         .write_interrupt        = go7007_usb_ezusb_write_interrupt,
 938         .read_interrupt         = go7007_usb_read_interrupt,
 939         .stream_start           = go7007_usb_stream_start,
 940         .stream_stop            = go7007_usb_stream_stop,
 941         .send_firmware          = go7007_usb_send_firmware,
 942         .release                = go7007_usb_release,
 943 };
 944
 945 static const struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
 946         .interface_reset        = go7007_usb_interface_reset,
 947         .write_interrupt        = go7007_usb_onboard_write_interrupt,
 948         .read_interrupt         = go7007_usb_read_interrupt,
 949         .stream_start           = go7007_usb_stream_start,
 950         .stream_stop            = go7007_usb_stream_stop,
 951         .send_firmware          = go7007_usb_send_firmware,
 952         .release                = go7007_usb_release,
 953 };
 954
 955 /********************* Driver for EZ-USB I2C adapter *********************/
 956
 957 static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
 958                                         struct i2c_msg msgs[], int num)
 959 {
 960         struct go7007 *go = i2c_get_adapdata(adapter);
 961         struct go7007_usb *usb = go->hpi_context;
 962         u8 *buf = go->usb_buf;
 963         int buf_len, i;
 964         int ret = -EIO;
 965
 966         if (go->status == STATUS_SHUTDOWN)
 967                 return -ENODEV;
 968
 969         mutex_lock(&usb->i2c_lock);
 970
 971         for (i = 0; i < num; ++i) {
 972                 /* The hardware command is "write some bytes then read some
 973                  * bytes", so we try to coalesce a write followed by a read
 974                  * into a single USB transaction */
 975                 if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
 976                                 !(msgs[i].flags & I2C_M_RD) &&
 977                                 (msgs[i + 1].flags & I2C_M_RD)) {
 978 #ifdef GO7007_I2C_DEBUG
 979                         pr_debug("i2c write/read %d/%d bytes on %02x\n",
 980                                 msgs[i].len, msgs[i + 1].len, msgs[i].addr);
 981 #endif
 982                         buf[0] = 0x01;
 983                         buf[1] = msgs[i].len + 1;
 984                         buf[2] = msgs[i].addr << 1;
 985                         memcpy(&buf[3], msgs[i].buf, msgs[i].len);
 986                         buf_len = msgs[i].len + 3;
 987                         buf[buf_len++] = msgs[++i].len;
 988                 } else if (msgs[i].flags & I2C_M_RD) {
 989 #ifdef GO7007_I2C_DEBUG
 990                         pr_debug("i2c read %d bytes on %02x\n",
 991                                         msgs[i].len, msgs[i].addr);
 992 #endif
 993                         buf[0] = 0x01;
 994                         buf[1] = 1;
 995                         buf[2] = msgs[i].addr << 1;
 996                         buf[3] = msgs[i].len;
 997                         buf_len = 4;
 998                 } else {
 999 #ifdef GO7007_I2C_DEBUG
1000                         pr_debug("i2c write %d bytes on %02x\n",
1001                                         msgs[i].len, msgs[i].addr);
1002 #endif
1003                         buf[0] = 0x00;
1004                         buf[1] = msgs[i].len + 1;
1005                         buf[2] = msgs[i].addr << 1;
1006                         memcpy(&buf[3], msgs[i].buf, msgs[i].len);
1007                         buf_len = msgs[i].len + 3;
1008                         buf[buf_len++] = 0;
1009                 }
1010                 if (go7007_usb_vendor_request(go, 0x24, 0, 0,
1011                                                 buf, buf_len, 0) < 0)
1012                         goto i2c_done;
1013                 if (msgs[i].flags & I2C_M_RD) {
1014                         memset(buf, 0, msgs[i].len + 1);
1015                         if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
1016                                                 msgs[i].len + 1, 1) < 0)
1017                                 goto i2c_done;
1018                         memcpy(msgs[i].buf, buf + 1, msgs[i].len);
1019                 }
1020         }
1021         ret = num;
1022
1023 i2c_done:
1024         mutex_unlock(&usb->i2c_lock);
1025         return ret;
1026 }
1027
1028 static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
1029 {
1030         /* No errors are reported by the hardware, so we don't bother
1031          * supporting quick writes to avoid confusing probing */
1032         return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
1033 }
1034
1035 static const struct i2c_algorithm go7007_usb_algo = {
1036         .master_xfer    = go7007_usb_i2c_master_xfer,
1037         .functionality  = go7007_usb_functionality,
1038 };
1039
1040 static struct i2c_adapter go7007_usb_adap_templ = {
1041         .owner                  = THIS_MODULE,
1042         .name                   = "WIS GO7007SB EZ-USB",
1043         .algo                   = &go7007_usb_algo,
1044 };
1045
1046 /********************* USB add/remove functions *********************/
1047
1048 static int go7007_usb_probe(struct usb_interface *intf,
1049                 const struct usb_device_id *id)
1050 {
1051         struct go7007 *go;
1052         struct go7007_usb *usb;
1053         const struct go7007_usb_board *board;
1054         struct usb_device *usbdev = interface_to_usbdev(intf);
1055         unsigned num_i2c_devs;
1056         char *name;
1057         int video_pipe, i, v_urb_len;
1058
1059         pr_debug("probing new GO7007 USB board\n");
1060
1061         switch (id->driver_info) {
1062         case GO7007_BOARDID_MATRIX_II:
1063                 name = "WIS Matrix II or compatible";
1064                 board = &board_matrix_ii;
1065                 break;
1066         case GO7007_BOARDID_MATRIX_RELOAD:
1067                 name = "WIS Matrix Reloaded or compatible";
1068                 board = &board_matrix_reload;
1069                 break;
1070         case GO7007_BOARDID_MATRIX_REV:
1071                 name = "WIS Matrix Revolution or compatible";
1072                 board = &board_matrix_revolution;
1073                 break;
1074         case GO7007_BOARDID_STAR_TREK:
1075                 name = "WIS Star Trek or compatible";
1076                 board = &board_star_trek;
1077                 break;
1078         case GO7007_BOARDID_XMEN:
1079                 name = "WIS XMen or compatible";
1080                 board = &board_xmen;
1081                 break;
1082         case GO7007_BOARDID_XMEN_II:
1083                 name = "WIS XMen II or compatible";
1084                 board = &board_xmen;
1085                 break;
1086         case GO7007_BOARDID_XMEN_III:
1087                 name = "WIS XMen III or compatible";
1088                 board = &board_xmen;
1089                 break;
1090         case GO7007_BOARDID_PX_M402U:
1091                 name = "Plextor PX-M402U";
1092                 board = &board_matrix_ii;
1093                 break;
1094         case GO7007_BOARDID_PX_TV402U:
1095                 name = "Plextor PX-TV402U (unknown tuner)";
1096                 board = &board_px_tv402u;
1097                 break;
1098         case GO7007_BOARDID_LIFEVIEW_LR192:
1099                 dev_err(&intf->dev, "The Lifeview TV Walker Ultra is not supported. Sorry!\n");
1100                 return -ENODEV;
1101 #if 0
1102                 name = "Lifeview TV Walker Ultra";
1103                 board = &board_lifeview_lr192;
1104 #endif
1105                 break;
1106         case GO7007_BOARDID_SENSORAY_2250:
1107                 dev_info(&intf->dev, "Sensoray 2250 found\n");
1108                 name = "Sensoray 2250/2251";
1109                 board = &board_sensoray_2250;
1110                 break;
1111         case GO7007_BOARDID_ADS_USBAV_709:
1112                 name = "ADS Tech DVD Xpress DX2";
1113                 board = &board_ads_usbav_709;
1114                 break;
1115         default:
1116                 dev_err(&intf->dev, "unknown board ID %d!\n",
1117                                 (unsigned int)id->driver_info);
1118                 return -ENODEV;
1119         }
1120
1121         go = go7007_alloc(&board->main_info, &intf->dev);
1122         if (go == NULL)
1123                 return -ENOMEM;
1124
1125         usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
1126         if (usb == NULL) {
1127                 kfree(go);
1128                 return -ENOMEM;
1129         }
1130
1131         usb->board = board;
1132         usb->usbdev = usbdev;
1133         usb_make_path(usbdev, go->bus_info, sizeof(go->bus_info));
1134         go->board_id = id->driver_info;
1135         strncpy(go->name, name, sizeof(go->name));
1136         if (board->flags & GO7007_USB_EZUSB)
1137                 go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
1138         else
1139                 go->hpi_ops = &go7007_usb_onboard_hpi_ops;
1140         go->hpi_context = usb;
1141
1142         /* Allocate the URB and buffer for receiving incoming interrupts */
1143         usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1144         if (usb->intr_urb == NULL)
1145                 goto allocfail;
1146         usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL);
1147         if (usb->intr_urb->transfer_buffer == NULL)
1148                 goto allocfail;
1149
1150         if (go->board_id == GO7007_BOARDID_SENSORAY_2250)
1151                 usb_fill_bulk_urb(usb->intr_urb, usb->usbdev,
1152                         usb_rcvbulkpipe(usb->usbdev, 4),
1153                         usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1154                         go7007_usb_readinterrupt_complete, go);
1155         else
1156                 usb_fill_int_urb(usb->intr_urb, usb->usbdev,
1157                         usb_rcvintpipe(usb->usbdev, 4),
1158                         usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1159                         go7007_usb_readinterrupt_complete, go, 8);
1160         usb_set_intfdata(intf, &go->v4l2_dev);
1161
1162         /* Boot the GO7007 */
1163         if (go7007_boot_encoder(go, go->board_info->flags &
1164                                         GO7007_BOARD_USE_ONBOARD_I2C) < 0)
1165                 goto allocfail;
1166
1167         /* Register the EZ-USB I2C adapter, if we're using it */
1168         if (board->flags & GO7007_USB_EZUSB_I2C) {
1169                 memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
1170                                 sizeof(go7007_usb_adap_templ));
1171                 mutex_init(&usb->i2c_lock);
1172                 go->i2c_adapter.dev.parent = go->dev;
1173                 i2c_set_adapdata(&go->i2c_adapter, go);
1174                 if (i2c_add_adapter(&go->i2c_adapter) < 0) {
1175                         dev_err(go->dev, "error: i2c_add_adapter failed\n");
1176                         goto allocfail;
1177                 }
1178                 go->i2c_adapter_online = 1;
1179         }
1180
1181         /* Pelco and Adlink reused the XMen and XMen-III vendor and product
1182          * IDs for their own incompatible designs.  We can detect XMen boards
1183          * by probing the sensor, but there is no way to probe the sensors on
1184          * the Pelco and Adlink designs so we default to the Adlink.  If it
1185          * is actually a Pelco, the user must set the assume_endura module
1186          * parameter. */
1187         if ((go->board_id == GO7007_BOARDID_XMEN ||
1188                                 go->board_id == GO7007_BOARDID_XMEN_III) &&
1189                         go->i2c_adapter_online) {
1190                 union i2c_smbus_data data;
1191
1192                 /* Check to see if register 0x0A is 0x76 */
1193                 i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
1194                         I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
1195                 if (data.byte != 0x76) {
1196                         if (assume_endura) {
1197                                 go->board_id = GO7007_BOARDID_ENDURA;
1198                                 usb->board = board = &board_endura;
1199                                 go->board_info = &board->main_info;
1200                                 strncpy(go->name, "Pelco Endura",
1201                                         sizeof(go->name));
1202                         } else {
1203                                 u16 channel;
1204
1205                                 /* read channel number from GPIO[1:0] */
1206                                 go7007_read_addr(go, 0x3c81, &channel);
1207                                 channel &= 0x3;
1208                                 go->board_id = GO7007_BOARDID_ADLINK_MPG24;
1209                                 usb->board = board = &board_adlink_mpg24;
1210                                 go->board_info = &board->main_info;
1211                                 go->channel_number = channel;
1212                                 snprintf(go->name, sizeof(go->name),
1213                                         "Adlink PCI-MPG24, channel #%d",
1214                                         channel);
1215                         }
1216                         go7007_update_board(go);
1217                 }
1218         }
1219
1220         num_i2c_devs = go->board_info->num_i2c_devs;
1221
1222         /* Probe the tuner model on the TV402U */
1223         if (go->board_id == GO7007_BOARDID_PX_TV402U) {
1224                 /* Board strapping indicates tuner model */
1225                 if (go7007_usb_vendor_request(go, 0x41, 0, 0, go->usb_buf, 3,
1226                                         1) < 0) {
1227                         dev_err(go->dev, "GPIO read failed!\n");
1228                         goto allocfail;
1229                 }
1230                 switch (go->usb_buf[0] >> 6) {
1231                 case 1:
1232                         go->tuner_type = TUNER_SONY_BTF_PG472Z;
1233                         go->std = V4L2_STD_PAL;
1234                         strncpy(go->name, "Plextor PX-TV402U-EU",
1235                                         sizeof(go->name));
1236                         break;
1237                 case 2:
1238                         go->tuner_type = TUNER_SONY_BTF_PK467Z;
1239                         go->std = V4L2_STD_NTSC_M_JP;
1240                         num_i2c_devs -= 2;
1241                         strncpy(go->name, "Plextor PX-TV402U-JP",
1242                                         sizeof(go->name));
1243                         break;
1244                 case 3:
1245                         go->tuner_type = TUNER_SONY_BTF_PB463Z;
1246                         num_i2c_devs -= 2;
1247                         strncpy(go->name, "Plextor PX-TV402U-NA",
1248                                         sizeof(go->name));
1249                         break;
1250                 default:
1251                         pr_debug("unable to detect tuner type!\n");
1252                         break;
1253                 }
1254                 /* Configure tuner mode selection inputs connected
1255                  * to the EZ-USB GPIO output pins */
1256                 if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
1257                                         NULL, 0, 0) < 0) {
1258                         dev_err(go->dev, "GPIO write failed!\n");
1259                         goto allocfail;
1260                 }
1261         }
1262
1263         /* Print a nasty message if the user attempts to use a USB2.0 device in
1264          * a USB1.1 port.  There will be silent corruption of the stream. */
1265         if ((board->flags & GO7007_USB_EZUSB) &&
1266                         usbdev->speed != USB_SPEED_HIGH)
1267                 dev_err(go->dev, "*** WARNING ***  This device must be connected to a USB 2.0 port! Attempting to capture video through a USB 1.1 port will result in stream corruption, even at low bitrates!\n");
1268
1269         /* Allocate the URBs and buffers for receiving the video stream */
1270         if (board->flags & GO7007_USB_EZUSB) {
1271                 v_urb_len = 1024;
1272                 video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
1273         } else {
1274                 v_urb_len = 512;
1275                 video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
1276         }
1277         for (i = 0; i < 8; ++i) {
1278                 usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1279                 if (usb->video_urbs[i] == NULL)
1280                         goto allocfail;
1281                 usb->video_urbs[i]->transfer_buffer =
1282                                                 kmalloc(v_urb_len, GFP_KERNEL);
1283                 if (usb->video_urbs[i]->transfer_buffer == NULL)
1284                         goto allocfail;
1285                 usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
1286                                 usb->video_urbs[i]->transfer_buffer, v_urb_len,
1287                                 go7007_usb_read_video_pipe_complete, go);
1288         }
1289
1290         /* Allocate the URBs and buffers for receiving the audio stream */
1291         if ((board->flags & GO7007_USB_EZUSB) &&
1292             (board->main_info.flags & GO7007_BOARD_HAS_AUDIO)) {
1293                 for (i = 0; i < 8; ++i) {
1294                         usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1295                         if (usb->audio_urbs[i] == NULL)
1296                                 goto allocfail;
1297                         usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
1298                                                                 GFP_KERNEL);
1299                         if (usb->audio_urbs[i]->transfer_buffer == NULL)
1300                                 goto allocfail;
1301                         usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
1302                                 usb_rcvbulkpipe(usb->usbdev, 8),
1303                                 usb->audio_urbs[i]->transfer_buffer, 4096,
1304                                 go7007_usb_read_audio_pipe_complete, go);
1305                 }
1306         }
1307
1308         /* Do any final GO7007 initialization, then register the
1309          * V4L2 and ALSA interfaces */
1310         if (go7007_register_encoder(go, num_i2c_devs) < 0)
1311                 goto allocfail;
1312
1313         go->status = STATUS_ONLINE;
1314         return 0;
1315
1316 allocfail:
1317         go7007_usb_release(go);
1318         kfree(go);
1319         return -ENOMEM;
1320 }
1321
1322 static void go7007_usb_disconnect(struct usb_interface *intf)
1323 {
1324         struct go7007 *go = to_go7007(usb_get_intfdata(intf));
1325
1326         mutex_lock(&go->queue_lock);
1327         mutex_lock(&go->serialize_lock);
1328
1329         if (go->audio_enabled)
1330                 go7007_snd_remove(go);
1331
1332         go->status = STATUS_SHUTDOWN;
1333         v4l2_device_disconnect(&go->v4l2_dev);
1334         video_unregister_device(&go->vdev);
1335         mutex_unlock(&go->serialize_lock);
1336         mutex_unlock(&go->queue_lock);
1337
1338         v4l2_device_put(&go->v4l2_dev);
1339 }
1340
1341 static struct usb_driver go7007_usb_driver = {
1342         .name           = "go7007",
1343         .probe          = go7007_usb_probe,
1344         .disconnect     = go7007_usb_disconnect,
1345         .id_table       = go7007_usb_id_table,
1346 };
1347
1348 module_usb_driver(go7007_usb_driver);
1349 MODULE_LICENSE("GPL v2");