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