kernel/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/saa7115.h>
  27 #include <media/tuner.h>
  28 #include <media/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 static const struct go7007_usb_board board_lifeview_lr192 = {
 342         .flags          = GO7007_USB_EZUSB,
 343         .main_info      = {
 344                 .flags           = GO7007_BOARD_HAS_AUDIO |
 345                                         GO7007_BOARD_USE_ONBOARD_I2C,
 346                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 347                                         GO7007_AUDIO_WORD_16,
 348                 .audio_rate      = 48000,
 349                 .audio_bclk_div  = 8,
 350                 .audio_main_div  = 2,
 351                 .hpi_buffer_cap  = 7,
 352                 .sensor_flags    = GO7007_SENSOR_656 |
 353                                         GO7007_SENSOR_VALID_ENABLE |
 354                                         GO7007_SENSOR_TV |
 355                                         GO7007_SENSOR_VBI |
 356                                         GO7007_SENSOR_SCALING,
 357                 .num_i2c_devs    = 0,
 358                 .num_inputs      = 1,
 359                 .inputs          = {
 360                         {
 361                                 .video_input    = 0,
 362                                 .name           = "Composite",
 363                         },
 364                 },
 365         },
 366 };
 367
 368 static const struct go7007_usb_board board_endura = {
 369         .flags          = 0,
 370         .main_info      = {
 371                 .flags           = 0,
 372                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 373                                         GO7007_AUDIO_I2S_MASTER |
 374                                         GO7007_AUDIO_WORD_16,
 375                 .audio_rate      = 8000,
 376                 .audio_bclk_div  = 48,
 377                 .audio_main_div  = 8,
 378                 .hpi_buffer_cap  = 0,
 379                 .sensor_flags    = GO7007_SENSOR_656 |
 380                                         GO7007_SENSOR_TV,
 381                 .sensor_h_offset = 8,
 382                 .num_i2c_devs    = 0,
 383                 .num_inputs      = 1,
 384                 .inputs          = {
 385                         {
 386                                 .name           = "Camera",
 387                         },
 388                 },
 389         },
 390 };
 391
 392 static const struct go7007_usb_board board_adlink_mpg24 = {
 393         .flags          = 0,
 394         .main_info      = {
 395                 .flags           = GO7007_BOARD_USE_ONBOARD_I2C,
 396                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 397                                         GO7007_AUDIO_I2S_MASTER |
 398                                         GO7007_AUDIO_WORD_16,
 399                 .audio_rate      = 48000,
 400                 .audio_bclk_div  = 8,
 401                 .audio_main_div  = 2,
 402                 .hpi_buffer_cap  = 0,
 403                 .sensor_flags    = GO7007_SENSOR_656 |
 404                                         GO7007_SENSOR_TV |
 405                                         GO7007_SENSOR_VBI,
 406                 .num_i2c_devs    = 1,
 407                 .i2c_devs        = {
 408                         {
 409                                 .type   = "tw2804",
 410                                 .addr   = 0x00, /* yes, really */
 411                                 .flags  = I2C_CLIENT_TEN,
 412                                 .is_video = 1,
 413                         },
 414                 },
 415                 .num_inputs      = 1,
 416                 .inputs          = {
 417                         {
 418                                 .name           = "Composite",
 419                         },
 420                 },
 421         },
 422 };
 423
 424 static const struct go7007_usb_board board_sensoray_2250 = {
 425         .flags          = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
 426         .main_info      = {
 427                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 428                                         GO7007_AUDIO_I2S_MASTER |
 429                                         GO7007_AUDIO_WORD_16,
 430                 .flags           = GO7007_BOARD_HAS_AUDIO,
 431                 .audio_rate      = 48000,
 432                 .audio_bclk_div  = 8,
 433                 .audio_main_div  = 2,
 434                 .hpi_buffer_cap  = 7,
 435                 .sensor_flags    = GO7007_SENSOR_656 |
 436                                         GO7007_SENSOR_TV,
 437                 .num_i2c_devs    = 1,
 438                 .i2c_devs        = {
 439                         {
 440                                 .type   = "s2250",
 441                                 .addr   = 0x43,
 442                                 .is_video = 1,
 443                                 .is_audio = 1,
 444                         },
 445                 },
 446                 .num_inputs      = 2,
 447                 .inputs          = {
 448                         {
 449                                 .video_input    = 0,
 450                                 .name           = "Composite",
 451                         },
 452                         {
 453                                 .video_input    = 1,
 454                                 .name           = "S-Video",
 455                         },
 456                 },
 457                 .num_aud_inputs  = 3,
 458                 .aud_inputs      = {
 459                         {
 460                                 .audio_input    = 0,
 461                                 .name           = "Line In",
 462                         },
 463                         {
 464                                 .audio_input    = 1,
 465                                 .name           = "Mic",
 466                         },
 467                         {
 468                                 .audio_input    = 2,
 469                                 .name           = "Mic Boost",
 470                         },
 471                 },
 472         },
 473 };
 474
 475 static const struct go7007_usb_board board_ads_usbav_709 = {
 476         .flags          = GO7007_USB_EZUSB,
 477         .main_info      = {
 478                 .flags           = GO7007_BOARD_HAS_AUDIO |
 479                                         GO7007_BOARD_USE_ONBOARD_I2C,
 480                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 481                                         GO7007_AUDIO_I2S_MASTER |
 482                                         GO7007_AUDIO_WORD_16,
 483                 .audio_rate      = 48000,
 484                 .audio_bclk_div  = 8,
 485                 .audio_main_div  = 2,
 486                 .hpi_buffer_cap  = 7,
 487                 .sensor_flags    = GO7007_SENSOR_656 |
 488                                         GO7007_SENSOR_TV |
 489                                         GO7007_SENSOR_VBI,
 490                 .num_i2c_devs    = 1,
 491                 .i2c_devs        = {
 492                         {
 493                                 .type   = "tw9906",
 494                                 .is_video = 1,
 495                                 .addr   = 0x44,
 496                         },
 497                 },
 498                 .num_inputs      = 2,
 499                 .inputs          = {
 500                         {
 501                                 .video_input    = 0,
 502                                 .name           = "Composite",
 503                         },
 504                         {
 505                                 .video_input    = 10,
 506                                 .name           = "S-Video",
 507                         },
 508                 },
 509         },
 510 };
 511
 512 static const struct usb_device_id go7007_usb_id_table[] = {
 513         {
 514                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 515                                         USB_DEVICE_ID_MATCH_INT_INFO,
 516                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 517                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 518                 .bcdDevice_lo   = 0x200,   /* Revision number of XMen */
 519                 .bcdDevice_hi   = 0x200,
 520                 .bInterfaceClass        = 255,
 521                 .bInterfaceSubClass     = 0,
 522                 .bInterfaceProtocol     = 255,
 523                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN,
 524         },
 525         {
 526                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 527                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 528                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 529                 .bcdDevice_lo   = 0x202,   /* Revision number of Matrix II */
 530                 .bcdDevice_hi   = 0x202,
 531                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
 532         },
 533         {
 534                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 535                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 536                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 537                 .bcdDevice_lo   = 0x204,   /* Revision number of Matrix */
 538                 .bcdDevice_hi   = 0x204,   /*     Reloaded */
 539                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
 540         },
 541         {
 542                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 543                                         USB_DEVICE_ID_MATCH_INT_INFO,
 544                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 545                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 546                 .bcdDevice_lo   = 0x205,   /* Revision number of XMen-II */
 547                 .bcdDevice_hi   = 0x205,
 548                 .bInterfaceClass        = 255,
 549                 .bInterfaceSubClass     = 0,
 550                 .bInterfaceProtocol     = 255,
 551                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
 552         },
 553         {
 554                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 555                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 556                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 557                 .bcdDevice_lo   = 0x208,   /* Revision number of Star Trek */
 558                 .bcdDevice_hi   = 0x208,
 559                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
 560         },
 561         {
 562                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 563                                         USB_DEVICE_ID_MATCH_INT_INFO,
 564                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 565                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 566                 .bcdDevice_lo   = 0x209,   /* Revision number of XMen-III */
 567                 .bcdDevice_hi   = 0x209,
 568                 .bInterfaceClass        = 255,
 569                 .bInterfaceSubClass     = 0,
 570                 .bInterfaceProtocol     = 255,
 571                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
 572         },
 573         {
 574                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 575                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 576                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 577                 .bcdDevice_lo   = 0x210,   /* Revision number of Matrix */
 578                 .bcdDevice_hi   = 0x210,   /*     Revolution */
 579                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
 580         },
 581         {
 582                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 583                 .idVendor       = 0x093b,  /* Vendor ID of Plextor */
 584                 .idProduct      = 0xa102,  /* Product ID of M402U */
 585                 .bcdDevice_lo   = 0x1,     /* revision number of Blueberry */
 586                 .bcdDevice_hi   = 0x1,
 587                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
 588         },
 589         {
 590                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 591                 .idVendor       = 0x093b,  /* Vendor ID of Plextor */
 592                 .idProduct      = 0xa104,  /* Product ID of TV402U */
 593                 .bcdDevice_lo   = 0x1,
 594                 .bcdDevice_hi   = 0x1,
 595                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_PX_TV402U,
 596         },
 597         {
 598                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 599                 .idVendor       = 0x10fd,  /* Vendor ID of Anubis Electronics */
 600                 .idProduct      = 0xde00,  /* Product ID of Lifeview LR192 */
 601                 .bcdDevice_lo   = 0x1,
 602                 .bcdDevice_hi   = 0x1,
 603                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
 604         },
 605         {
 606                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 607                 .idVendor       = 0x1943,  /* Vendor ID Sensoray */
 608                 .idProduct      = 0x2250,  /* Product ID of 2250/2251 */
 609                 .bcdDevice_lo   = 0x1,
 610                 .bcdDevice_hi   = 0x1,
 611                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
 612         },
 613         {
 614                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 615                 .idVendor       = 0x06e1,  /* Vendor ID of ADS Technologies */
 616                 .idProduct      = 0x0709,  /* Product ID of DVD Xpress DX2 */
 617                 .bcdDevice_lo   = 0x204,
 618                 .bcdDevice_hi   = 0x204,
 619                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_ADS_USBAV_709,
 620         },
 621         { }                                     /* Terminating entry */
 622 };
 623
 624 MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
 625
 626 /********************* Driver for EZ-USB HPI interface *********************/
 627
 628 static int go7007_usb_vendor_request(struct go7007 *go, int request,
 629                 int value, int index, void *transfer_buffer, int length, int in)
 630 {
 631         struct go7007_usb *usb = go->hpi_context;
 632         int timeout = 5000;
 633
 634         if (in) {
 635                 return usb_control_msg(usb->usbdev,
 636                                 usb_rcvctrlpipe(usb->usbdev, 0), request,
 637                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 638                                 value, index, transfer_buffer, length, timeout);
 639         } else {
 640                 return usb_control_msg(usb->usbdev,
 641                                 usb_sndctrlpipe(usb->usbdev, 0), request,
 642                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 643                                 value, index, transfer_buffer, length, timeout);
 644         }
 645 }
 646
 647 static int go7007_usb_interface_reset(struct go7007 *go)
 648 {
 649         struct go7007_usb *usb = go->hpi_context;
 650         u16 intr_val, intr_data;
 651
 652         if (go->status == STATUS_SHUTDOWN)
 653                 return -1;
 654         /* Reset encoder */
 655         if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
 656                 return -1;
 657         msleep(100);
 658
 659         if (usb->board->flags & GO7007_USB_EZUSB) {
 660                 /* Reset buffer in EZ-USB */
 661                 pr_debug("resetting EZ-USB buffers\n");
 662                 if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
 663                     go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
 664                         return -1;
 665
 666                 /* Reset encoder again */
 667                 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
 668                         return -1;
 669                 msleep(100);
 670         }
 671
 672         /* Wait for an interrupt to indicate successful hardware reset */
 673         if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
 674                         (intr_val & ~0x1) != 0x55aa) {
 675                 dev_err(go->dev, "unable to reset the USB interface\n");
 676                 return -1;
 677         }
 678         return 0;
 679 }
 680
 681 static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
 682                                                 int addr, int data)
 683 {
 684         struct go7007_usb *usb = go->hpi_context;
 685         int i, r;
 686         u16 status_reg = 0;
 687         int timeout = 500;
 688
 689         pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
 690
 691         for (i = 0; i < 100; ++i) {
 692                 r = usb_control_msg(usb->usbdev,
 693                                 usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
 694                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 695                                 0, HPI_STATUS_ADDR, go->usb_buf,
 696                                 sizeof(status_reg), timeout);
 697                 if (r < 0)
 698                         break;
 699                 status_reg = le16_to_cpu(*((__le16 *)go->usb_buf));
 700                 if (!(status_reg & 0x0010))
 701                         break;
 702                 msleep(10);
 703         }
 704         if (r < 0)
 705                 goto write_int_error;
 706         if (i == 100) {
 707                 dev_err(go->dev, "device is hung, status reg = 0x%04x\n", status_reg);
 708                 return -1;
 709         }
 710         r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
 711                         USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
 712                         INT_PARAM_ADDR, NULL, 0, timeout);
 713         if (r < 0)
 714                 goto write_int_error;
 715         r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
 716                         0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
 717                         INT_INDEX_ADDR, NULL, 0, timeout);
 718         if (r < 0)
 719                 goto write_int_error;
 720         return 0;
 721
 722 write_int_error:
 723         dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
 724         return r;
 725 }
 726
 727 static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
 728                                                 int addr, int data)
 729 {
 730         struct go7007_usb *usb = go->hpi_context;
 731         int r;
 732         int timeout = 500;
 733
 734         pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
 735
 736         go->usb_buf[0] = data & 0xff;
 737         go->usb_buf[1] = data >> 8;
 738         go->usb_buf[2] = addr & 0xff;
 739         go->usb_buf[3] = addr >> 8;
 740         go->usb_buf[4] = go->usb_buf[5] = go->usb_buf[6] = go->usb_buf[7] = 0;
 741         r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
 742                         USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
 743                         0xf0f0, go->usb_buf, 8, timeout);
 744         if (r < 0) {
 745                 dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
 746                 return r;
 747         }
 748         return 0;
 749 }
 750
 751 static void go7007_usb_readinterrupt_complete(struct urb *urb)
 752 {
 753         struct go7007 *go = (struct go7007 *)urb->context;
 754         __le16 *regs = (__le16 *)urb->transfer_buffer;
 755         int status = urb->status;
 756
 757         if (status) {
 758                 if (status != -ESHUTDOWN &&
 759                                 go->status != STATUS_SHUTDOWN) {
 760                         dev_err(go->dev, "error in read interrupt: %d\n", urb->status);
 761                 } else {
 762                         wake_up(&go->interrupt_waitq);
 763                         return;
 764                 }
 765         } else if (urb->actual_length != urb->transfer_buffer_length) {
 766                 dev_err(go->dev, "short read in interrupt pipe!\n");
 767         } else {
 768                 go->interrupt_available = 1;
 769                 go->interrupt_data = __le16_to_cpu(regs[0]);
 770                 go->interrupt_value = __le16_to_cpu(regs[1]);
 771                 pr_debug("ReadInterrupt: %04x %04x\n",
 772                                 go->interrupt_value, go->interrupt_data);
 773         }
 774
 775         wake_up(&go->interrupt_waitq);
 776 }
 777
 778 static int go7007_usb_read_interrupt(struct go7007 *go)
 779 {
 780         struct go7007_usb *usb = go->hpi_context;
 781         int r;
 782
 783         r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
 784         if (r < 0) {
 785                 dev_err(go->dev, "unable to submit interrupt urb: %d\n", r);
 786                 return r;
 787         }
 788         return 0;
 789 }
 790
 791 static void go7007_usb_read_video_pipe_complete(struct urb *urb)
 792 {
 793         struct go7007 *go = (struct go7007 *)urb->context;
 794         int r, status = urb->status;
 795
 796         if (!vb2_is_streaming(&go->vidq)) {
 797                 wake_up_interruptible(&go->frame_waitq);
 798                 return;
 799         }
 800         if (status) {
 801                 dev_err(go->dev, "error in video pipe: %d\n", status);
 802                 return;
 803         }
 804         if (urb->actual_length != urb->transfer_buffer_length) {
 805                 dev_err(go->dev, "short read in video pipe!\n");
 806                 return;
 807         }
 808         go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
 809         r = usb_submit_urb(urb, GFP_ATOMIC);
 810         if (r < 0)
 811                 dev_err(go->dev, "error in video pipe: %d\n", r);
 812 }
 813
 814 static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
 815 {
 816         struct go7007 *go = (struct go7007 *)urb->context;
 817         int r, status = urb->status;
 818
 819         if (!vb2_is_streaming(&go->vidq))
 820                 return;
 821         if (status) {
 822                 dev_err(go->dev, "error in audio pipe: %d\n",
 823                         status);
 824                 return;
 825         }
 826         if (urb->actual_length != urb->transfer_buffer_length) {
 827                 dev_err(go->dev, "short read in audio pipe!\n");
 828                 return;
 829         }
 830         if (go->audio_deliver != NULL)
 831                 go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
 832         r = usb_submit_urb(urb, GFP_ATOMIC);
 833         if (r < 0)
 834                 dev_err(go->dev, "error in audio pipe: %d\n", r);
 835 }
 836
 837 static int go7007_usb_stream_start(struct go7007 *go)
 838 {
 839         struct go7007_usb *usb = go->hpi_context;
 840         int i, r;
 841
 842         for (i = 0; i < 8; ++i) {
 843                 r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
 844                 if (r < 0) {
 845                         dev_err(go->dev, "error submitting video urb %d: %d\n", i, r);
 846                         goto video_submit_failed;
 847                 }
 848         }
 849         if (!go->audio_enabled)
 850                 return 0;
 851
 852         for (i = 0; i < 8; ++i) {
 853                 r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
 854                 if (r < 0) {
 855                         dev_err(go->dev, "error submitting audio urb %d: %d\n", i, r);
 856                         goto audio_submit_failed;
 857                 }
 858         }
 859         return 0;
 860
 861 audio_submit_failed:
 862         for (i = 0; i < 7; ++i)
 863                 usb_kill_urb(usb->audio_urbs[i]);
 864 video_submit_failed:
 865         for (i = 0; i < 8; ++i)
 866                 usb_kill_urb(usb->video_urbs[i]);
 867         return -1;
 868 }
 869
 870 static int go7007_usb_stream_stop(struct go7007 *go)
 871 {
 872         struct go7007_usb *usb = go->hpi_context;
 873         int i;
 874
 875         if (go->status == STATUS_SHUTDOWN)
 876                 return 0;
 877         for (i = 0; i < 8; ++i)
 878                 usb_kill_urb(usb->video_urbs[i]);
 879         if (go->audio_enabled)
 880                 for (i = 0; i < 8; ++i)
 881                         usb_kill_urb(usb->audio_urbs[i]);
 882         return 0;
 883 }
 884
 885 static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
 886 {
 887         struct go7007_usb *usb = go->hpi_context;
 888         int transferred, pipe;
 889         int timeout = 500;
 890
 891         pr_debug("DownloadBuffer sending %d bytes\n", len);
 892
 893         if (usb->board->flags & GO7007_USB_EZUSB)
 894                 pipe = usb_sndbulkpipe(usb->usbdev, 2);
 895         else
 896                 pipe = usb_sndbulkpipe(usb->usbdev, 3);
 897
 898         return usb_bulk_msg(usb->usbdev, pipe, data, len,
 899                                         &transferred, timeout);
 900 }
 901
 902 static void go7007_usb_release(struct go7007 *go)
 903 {
 904         struct go7007_usb *usb = go->hpi_context;
 905         struct urb *vurb, *aurb;
 906         int i;
 907
 908         if (usb->intr_urb) {
 909                 usb_kill_urb(usb->intr_urb);
 910                 kfree(usb->intr_urb->transfer_buffer);
 911                 usb_free_urb(usb->intr_urb);
 912         }
 913
 914         /* Free USB-related structs */
 915         for (i = 0; i < 8; ++i) {
 916                 vurb = usb->video_urbs[i];
 917                 if (vurb) {
 918                         usb_kill_urb(vurb);
 919                         kfree(vurb->transfer_buffer);
 920                         usb_free_urb(vurb);
 921                 }
 922                 aurb = usb->audio_urbs[i];
 923                 if (aurb) {
 924                         usb_kill_urb(aurb);
 925                         kfree(aurb->transfer_buffer);
 926                         usb_free_urb(aurb);
 927                 }
 928         }
 929
 930         kfree(go->hpi_context);
 931 }
 932
 933 static struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
 934         .interface_reset        = go7007_usb_interface_reset,
 935         .write_interrupt        = go7007_usb_ezusb_write_interrupt,
 936         .read_interrupt         = go7007_usb_read_interrupt,
 937         .stream_start           = go7007_usb_stream_start,
 938         .stream_stop            = go7007_usb_stream_stop,
 939         .send_firmware          = go7007_usb_send_firmware,
 940         .release                = go7007_usb_release,
 941 };
 942
 943 static struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
 944         .interface_reset        = go7007_usb_interface_reset,
 945         .write_interrupt        = go7007_usb_onboard_write_interrupt,
 946         .read_interrupt         = go7007_usb_read_interrupt,
 947         .stream_start           = go7007_usb_stream_start,
 948         .stream_stop            = go7007_usb_stream_stop,
 949         .send_firmware          = go7007_usb_send_firmware,
 950         .release                = go7007_usb_release,
 951 };
 952
 953 /********************* Driver for EZ-USB I2C adapter *********************/
 954
 955 static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
 956                                         struct i2c_msg msgs[], int num)
 957 {
 958         struct go7007 *go = i2c_get_adapdata(adapter);
 959         struct go7007_usb *usb = go->hpi_context;
 960         u8 *buf = go->usb_buf;
 961         int buf_len, i;
 962         int ret = -EIO;
 963
 964         if (go->status == STATUS_SHUTDOWN)
 965                 return -ENODEV;
 966
 967         mutex_lock(&usb->i2c_lock);
 968
 969         for (i = 0; i < num; ++i) {
 970                 /* The hardware command is "write some bytes then read some
 971                  * bytes", so we try to coalesce a write followed by a read
 972                  * into a single USB transaction */
 973                 if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
 974                                 !(msgs[i].flags & I2C_M_RD) &&
 975                                 (msgs[i + 1].flags & I2C_M_RD)) {
 976 #ifdef GO7007_I2C_DEBUG
 977                         pr_debug("i2c write/read %d/%d bytes on %02x\n",
 978                                 msgs[i].len, msgs[i + 1].len, msgs[i].addr);
 979 #endif
 980                         buf[0] = 0x01;
 981                         buf[1] = msgs[i].len + 1;
 982                         buf[2] = msgs[i].addr << 1;
 983                         memcpy(&buf[3], msgs[i].buf, msgs[i].len);
 984                         buf_len = msgs[i].len + 3;
 985                         buf[buf_len++] = msgs[++i].len;
 986                 } else if (msgs[i].flags & I2C_M_RD) {
 987 #ifdef GO7007_I2C_DEBUG
 988                         pr_debug("i2c read %d bytes on %02x\n",
 989                                         msgs[i].len, msgs[i].addr);
 990 #endif
 991                         buf[0] = 0x01;
 992                         buf[1] = 1;
 993                         buf[2] = msgs[i].addr << 1;
 994                         buf[3] = msgs[i].len;
 995                         buf_len = 4;
 996                 } else {
 997 #ifdef GO7007_I2C_DEBUG
 998                         pr_debug("i2c write %d bytes on %02x\n",
 999                                         msgs[i].len, msgs[i].addr);
1000 #endif
1001                         buf[0] = 0x00;
1002                         buf[1] = msgs[i].len + 1;
1003                         buf[2] = msgs[i].addr << 1;
1004                         memcpy(&buf[3], msgs[i].buf, msgs[i].len);
1005                         buf_len = msgs[i].len + 3;
1006                         buf[buf_len++] = 0;
1007                 }
1008                 if (go7007_usb_vendor_request(go, 0x24, 0, 0,
1009                                                 buf, buf_len, 0) < 0)
1010                         goto i2c_done;
1011                 if (msgs[i].flags & I2C_M_RD) {
1012                         memset(buf, 0, msgs[i].len + 1);
1013                         if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
1014                                                 msgs[i].len + 1, 1) < 0)
1015                                 goto i2c_done;
1016                         memcpy(msgs[i].buf, buf + 1, msgs[i].len);
1017                 }
1018         }
1019         ret = num;
1020
1021 i2c_done:
1022         mutex_unlock(&usb->i2c_lock);
1023         return ret;
1024 }
1025
1026 static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
1027 {
1028         /* No errors are reported by the hardware, so we don't bother
1029          * supporting quick writes to avoid confusing probing */
1030         return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
1031 }
1032
1033 static struct i2c_algorithm go7007_usb_algo = {
1034         .master_xfer    = go7007_usb_i2c_master_xfer,
1035         .functionality  = go7007_usb_functionality,
1036 };
1037
1038 static struct i2c_adapter go7007_usb_adap_templ = {
1039         .owner                  = THIS_MODULE,
1040         .name                   = "WIS GO7007SB EZ-USB",
1041         .algo                   = &go7007_usb_algo,
1042 };
1043
1044 /********************* USB add/remove functions *********************/
1045
1046 static int go7007_usb_probe(struct usb_interface *intf,
1047                 const struct usb_device_id *id)
1048 {
1049         struct go7007 *go;
1050         struct go7007_usb *usb;
1051         const struct go7007_usb_board *board;
1052         struct usb_device *usbdev = interface_to_usbdev(intf);
1053         unsigned num_i2c_devs;
1054         char *name;
1055         int video_pipe, i, v_urb_len;
1056
1057         pr_debug("probing new GO7007 USB board\n");
1058
1059         switch (id->driver_info) {
1060         case GO7007_BOARDID_MATRIX_II:
1061                 name = "WIS Matrix II or compatible";
1062                 board = &board_matrix_ii;
1063                 break;
1064         case GO7007_BOARDID_MATRIX_RELOAD:
1065                 name = "WIS Matrix Reloaded or compatible";
1066                 board = &board_matrix_reload;
1067                 break;
1068         case GO7007_BOARDID_MATRIX_REV:
1069                 name = "WIS Matrix Revolution or compatible";
1070                 board = &board_matrix_revolution;
1071                 break;
1072         case GO7007_BOARDID_STAR_TREK:
1073                 name = "WIS Star Trek or compatible";
1074                 board = &board_star_trek;
1075                 break;
1076         case GO7007_BOARDID_XMEN:
1077                 name = "WIS XMen or compatible";
1078                 board = &board_xmen;
1079                 break;
1080         case GO7007_BOARDID_XMEN_II:
1081                 name = "WIS XMen II or compatible";
1082                 board = &board_xmen;
1083                 break;
1084         case GO7007_BOARDID_XMEN_III:
1085                 name = "WIS XMen III or compatible";
1086                 board = &board_xmen;
1087                 break;
1088         case GO7007_BOARDID_PX_M402U:
1089                 name = "Plextor PX-M402U";
1090                 board = &board_matrix_ii;
1091                 break;
1092         case GO7007_BOARDID_PX_TV402U:
1093                 name = "Plextor PX-TV402U (unknown tuner)";
1094                 board = &board_px_tv402u;
1095                 break;
1096         case GO7007_BOARDID_LIFEVIEW_LR192:
1097                 dev_err(&intf->dev, "The Lifeview TV Walker Ultra is not supported. Sorry!\n");
1098                 return -ENODEV;
1099                 name = "Lifeview TV Walker Ultra";
1100                 board = &board_lifeview_lr192;
1101                 break;
1102         case GO7007_BOARDID_SENSORAY_2250:
1103                 dev_info(&intf->dev, "Sensoray 2250 found\n");
1104                 name = "Sensoray 2250/2251";
1105                 board = &board_sensoray_2250;
1106                 break;
1107         case GO7007_BOARDID_ADS_USBAV_709:
1108                 name = "ADS Tech DVD Xpress DX2";
1109                 board = &board_ads_usbav_709;
1110                 break;
1111         default:
1112                 dev_err(&intf->dev, "unknown board ID %d!\n",
1113                                 (unsigned int)id->driver_info);
1114                 return -ENODEV;
1115         }
1116
1117         go = go7007_alloc(&board->main_info, &intf->dev);
1118         if (go == NULL)
1119                 return -ENOMEM;
1120
1121         usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
1122         if (usb == NULL) {
1123                 kfree(go);
1124                 return -ENOMEM;
1125         }
1126
1127         usb->board = board;
1128         usb->usbdev = usbdev;
1129         usb_make_path(usbdev, go->bus_info, sizeof(go->bus_info));
1130         go->board_id = id->driver_info;
1131         strncpy(go->name, name, sizeof(go->name));
1132         if (board->flags & GO7007_USB_EZUSB)
1133                 go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
1134         else
1135                 go->hpi_ops = &go7007_usb_onboard_hpi_ops;
1136         go->hpi_context = usb;
1137
1138         /* Allocate the URB and buffer for receiving incoming interrupts */
1139         usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1140         if (usb->intr_urb == NULL)
1141                 goto allocfail;
1142         usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL);
1143         if (usb->intr_urb->transfer_buffer == NULL)
1144                 goto allocfail;
1145
1146         if (go->board_id == GO7007_BOARDID_SENSORAY_2250)
1147                 usb_fill_bulk_urb(usb->intr_urb, usb->usbdev,
1148                         usb_rcvbulkpipe(usb->usbdev, 4),
1149                         usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1150                         go7007_usb_readinterrupt_complete, go);
1151         else
1152                 usb_fill_int_urb(usb->intr_urb, usb->usbdev,
1153                         usb_rcvintpipe(usb->usbdev, 4),
1154                         usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1155                         go7007_usb_readinterrupt_complete, go, 8);
1156         usb_set_intfdata(intf, &go->v4l2_dev);
1157
1158         /* Boot the GO7007 */
1159         if (go7007_boot_encoder(go, go->board_info->flags &
1160                                         GO7007_BOARD_USE_ONBOARD_I2C) < 0)
1161                 goto allocfail;
1162
1163         /* Register the EZ-USB I2C adapter, if we're using it */
1164         if (board->flags & GO7007_USB_EZUSB_I2C) {
1165                 memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
1166                                 sizeof(go7007_usb_adap_templ));
1167                 mutex_init(&usb->i2c_lock);
1168                 go->i2c_adapter.dev.parent = go->dev;
1169                 i2c_set_adapdata(&go->i2c_adapter, go);
1170                 if (i2c_add_adapter(&go->i2c_adapter) < 0) {
1171                         dev_err(go->dev, "error: i2c_add_adapter failed\n");
1172                         goto allocfail;
1173                 }
1174                 go->i2c_adapter_online = 1;
1175         }
1176
1177         /* Pelco and Adlink reused the XMen and XMen-III vendor and product
1178          * IDs for their own incompatible designs.  We can detect XMen boards
1179          * by probing the sensor, but there is no way to probe the sensors on
1180          * the Pelco and Adlink designs so we default to the Adlink.  If it
1181          * is actually a Pelco, the user must set the assume_endura module
1182          * parameter. */
1183         if ((go->board_id == GO7007_BOARDID_XMEN ||
1184                                 go->board_id == GO7007_BOARDID_XMEN_III) &&
1185                         go->i2c_adapter_online) {
1186                 union i2c_smbus_data data;
1187
1188                 /* Check to see if register 0x0A is 0x76 */
1189                 i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
1190                         I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
1191                 if (data.byte != 0x76) {
1192                         if (assume_endura) {
1193                                 go->board_id = GO7007_BOARDID_ENDURA;
1194                                 usb->board = board = &board_endura;
1195                                 go->board_info = &board->main_info;
1196                                 strncpy(go->name, "Pelco Endura",
1197                                         sizeof(go->name));
1198                         } else {
1199                                 u16 channel;
1200
1201                                 /* read channel number from GPIO[1:0] */
1202                                 go7007_read_addr(go, 0x3c81, &channel);
1203                                 channel &= 0x3;
1204                                 go->board_id = GO7007_BOARDID_ADLINK_MPG24;
1205                                 usb->board = board = &board_adlink_mpg24;
1206                                 go->board_info = &board->main_info;
1207                                 go->channel_number = channel;
1208                                 snprintf(go->name, sizeof(go->name),
1209                                         "Adlink PCI-MPG24, channel #%d",
1210                                         channel);
1211                         }
1212                         go7007_update_board(go);
1213                 }
1214         }
1215
1216         num_i2c_devs = go->board_info->num_i2c_devs;
1217
1218         /* Probe the tuner model on the TV402U */
1219         if (go->board_id == GO7007_BOARDID_PX_TV402U) {
1220                 /* Board strapping indicates tuner model */
1221                 if (go7007_usb_vendor_request(go, 0x41, 0, 0, go->usb_buf, 3,
1222                                         1) < 0) {
1223                         dev_err(go->dev, "GPIO read failed!\n");
1224                         goto allocfail;
1225                 }
1226                 switch (go->usb_buf[0] >> 6) {
1227                 case 1:
1228                         go->tuner_type = TUNER_SONY_BTF_PG472Z;
1229                         go->std = V4L2_STD_PAL;
1230                         strncpy(go->name, "Plextor PX-TV402U-EU",
1231                                         sizeof(go->name));
1232                         break;
1233                 case 2:
1234                         go->tuner_type = TUNER_SONY_BTF_PK467Z;
1235                         go->std = V4L2_STD_NTSC_M_JP;
1236                         num_i2c_devs -= 2;
1237                         strncpy(go->name, "Plextor PX-TV402U-JP",
1238                                         sizeof(go->name));
1239                         break;
1240                 case 3:
1241                         go->tuner_type = TUNER_SONY_BTF_PB463Z;
1242                         num_i2c_devs -= 2;
1243                         strncpy(go->name, "Plextor PX-TV402U-NA",
1244                                         sizeof(go->name));
1245                         break;
1246                 default:
1247                         pr_debug("unable to detect tuner type!\n");
1248                         break;
1249                 }
1250                 /* Configure tuner mode selection inputs connected
1251                  * to the EZ-USB GPIO output pins */
1252                 if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
1253                                         NULL, 0, 0) < 0) {
1254                         dev_err(go->dev, "GPIO write failed!\n");
1255                         goto allocfail;
1256                 }
1257         }
1258
1259         /* Print a nasty message if the user attempts to use a USB2.0 device in
1260          * a USB1.1 port.  There will be silent corruption of the stream. */
1261         if ((board->flags & GO7007_USB_EZUSB) &&
1262                         usbdev->speed != USB_SPEED_HIGH)
1263                 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");
1264
1265         /* Allocate the URBs and buffers for receiving the video stream */
1266         if (board->flags & GO7007_USB_EZUSB) {
1267                 v_urb_len = 1024;
1268                 video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
1269         } else {
1270                 v_urb_len = 512;
1271                 video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
1272         }
1273         for (i = 0; i < 8; ++i) {
1274                 usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1275                 if (usb->video_urbs[i] == NULL)
1276                         goto allocfail;
1277                 usb->video_urbs[i]->transfer_buffer =
1278                                                 kmalloc(v_urb_len, GFP_KERNEL);
1279                 if (usb->video_urbs[i]->transfer_buffer == NULL)
1280                         goto allocfail;
1281                 usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
1282                                 usb->video_urbs[i]->transfer_buffer, v_urb_len,
1283                                 go7007_usb_read_video_pipe_complete, go);
1284         }
1285
1286         /* Allocate the URBs and buffers for receiving the audio stream */
1287         if ((board->flags & GO7007_USB_EZUSB) &&
1288             (board->flags & GO7007_BOARD_HAS_AUDIO)) {
1289                 for (i = 0; i < 8; ++i) {
1290                         usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1291                         if (usb->audio_urbs[i] == NULL)
1292                                 goto allocfail;
1293                         usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
1294                                                                 GFP_KERNEL);
1295                         if (usb->audio_urbs[i]->transfer_buffer == NULL)
1296                                 goto allocfail;
1297                         usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
1298                                 usb_rcvbulkpipe(usb->usbdev, 8),
1299                                 usb->audio_urbs[i]->transfer_buffer, 4096,
1300                                 go7007_usb_read_audio_pipe_complete, go);
1301                 }
1302         }
1303
1304         /* Do any final GO7007 initialization, then register the
1305          * V4L2 and ALSA interfaces */
1306         if (go7007_register_encoder(go, num_i2c_devs) < 0)
1307                 goto allocfail;
1308
1309         go->status = STATUS_ONLINE;
1310         return 0;
1311
1312 allocfail:
1313         go7007_usb_release(go);
1314         kfree(go);
1315         return -ENOMEM;
1316 }
1317
1318 static void go7007_usb_disconnect(struct usb_interface *intf)
1319 {
1320         struct go7007 *go = to_go7007(usb_get_intfdata(intf));
1321
1322         mutex_lock(&go->queue_lock);
1323         mutex_lock(&go->serialize_lock);
1324
1325         if (go->audio_enabled)
1326                 go7007_snd_remove(go);
1327
1328         go->status = STATUS_SHUTDOWN;
1329         v4l2_device_disconnect(&go->v4l2_dev);
1330         video_unregister_device(&go->vdev);
1331         mutex_unlock(&go->serialize_lock);
1332         mutex_unlock(&go->queue_lock);
1333
1334         v4l2_device_put(&go->v4l2_dev);
1335 }
1336
1337 static struct usb_driver go7007_usb_driver = {
1338         .name           = "go7007",
1339         .probe          = go7007_usb_probe,
1340         .disconnect     = go7007_usb_disconnect,
1341         .id_table       = go7007_usb_id_table,
1342 };
1343
1344 module_usb_driver(go7007_usb_driver);
1345 MODULE_LICENSE("GPL v2");