drivers/staging/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  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software Foundation,
  15  * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  16  */
  17
  18 #include <linux/module.h>
  19 #include <linux/kernel.h>
  20 #include <linux/init.h>
  21 #include <linux/wait.h>
  22 #include <linux/list.h>
  23 #include <linux/slab.h>
  24 #include <linux/time.h>
  25 #include <linux/mm.h>
  26 #include <linux/usb.h>
  27 #include <linux/i2c.h>
  28 #include <asm/byteorder.h>
  29 #include <media/tvaudio.h>
  30
  31 #include "go7007-priv.h"
  32 #include "wis-i2c.h"
  33
  34 static unsigned int assume_endura;
  35 module_param(assume_endura, int, 0644);
  36 MODULE_PARM_DESC(assume_endura, "when probing fails, hardware is a Pelco Endura");
  37
  38 /* #define GO7007_USB_DEBUG */
  39 /* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
  40
  41 #define HPI_STATUS_ADDR 0xFFF4
  42 #define INT_PARAM_ADDR  0xFFF6
  43 #define INT_INDEX_ADDR  0xFFF8
  44
  45 /*
  46  * Pipes on EZ-USB interface:
  47  *      0 snd - Control
  48  *      0 rcv - Control
  49  *      2 snd - Download firmware (control)
  50  *      4 rcv - Read Interrupt (interrupt)
  51  *      6 rcv - Read Video (bulk)
  52  *      8 rcv - Read Audio (bulk)
  53  */
  54
  55 #define GO7007_USB_EZUSB                (1<<0)
  56 #define GO7007_USB_EZUSB_I2C            (1<<1)
  57
  58 struct go7007_usb_board {
  59         unsigned int flags;
  60         struct go7007_board_info main_info;
  61 };
  62
  63 struct go7007_usb {
  64         struct go7007_usb_board *board;
  65         struct semaphore i2c_lock;
  66         struct usb_device *usbdev;
  67         struct urb *video_urbs[8];
  68         struct urb *audio_urbs[8];
  69         struct urb *intr_urb;
  70 };
  71
  72 /*********************** Product specification data ***********************/
  73
  74 static struct go7007_usb_board board_matrix_ii = {
  75         .flags          = GO7007_USB_EZUSB,
  76         .main_info      = {
  77                 .firmware        = "go7007tv.bin",
  78                 .flags           = GO7007_BOARD_HAS_AUDIO |
  79                                         GO7007_BOARD_USE_ONBOARD_I2C,
  80                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
  81                                         GO7007_AUDIO_WORD_16,
  82                 .audio_rate      = 48000,
  83                 .audio_bclk_div  = 8,
  84                 .audio_main_div  = 2,
  85                 .hpi_buffer_cap  = 7,
  86                 .sensor_flags    = GO7007_SENSOR_656 |
  87                                         GO7007_SENSOR_VALID_ENABLE |
  88                                         GO7007_SENSOR_TV |
  89                                         GO7007_SENSOR_VBI |
  90                                         GO7007_SENSOR_SCALING,
  91                 .num_i2c_devs    = 1,
  92                 .i2c_devs        = {
  93                         {
  94                                 .type   = "wis_saa7115",
  95                                 .id     = I2C_DRIVERID_WIS_SAA7115,
  96                                 .addr   = 0x20,
  97                         },
  98                 },
  99                 .num_inputs      = 2,
 100                 .inputs          = {
 101                         {
 102                                 .video_input    = 0,
 103                                 .name           = "Composite",
 104                         },
 105                         {
 106                                 .video_input    = 9,
 107                                 .name           = "S-Video",
 108                         },
 109                 },
 110         },
 111 };
 112
 113 static struct go7007_usb_board board_matrix_reload = {
 114         .flags          = GO7007_USB_EZUSB,
 115         .main_info      = {
 116                 .firmware        = "go7007tv.bin",
 117                 .flags           = GO7007_BOARD_HAS_AUDIO |
 118                                         GO7007_BOARD_USE_ONBOARD_I2C,
 119                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 120                                         GO7007_AUDIO_I2S_MASTER |
 121                                         GO7007_AUDIO_WORD_16,
 122                 .audio_rate      = 48000,
 123                 .audio_bclk_div  = 8,
 124                 .audio_main_div  = 2,
 125                 .hpi_buffer_cap  = 7,
 126                 .sensor_flags    = GO7007_SENSOR_656 |
 127                                         GO7007_SENSOR_TV,
 128                 .num_i2c_devs    = 1,
 129                 .i2c_devs        = {
 130                         {
 131                                 .type   = "wis_saa7113",
 132                                 .id     = I2C_DRIVERID_WIS_SAA7113,
 133                                 .addr   = 0x25,
 134                         },
 135                 },
 136                 .num_inputs      = 2,
 137                 .inputs          = {
 138                         {
 139                                 .video_input    = 0,
 140                                 .name           = "Composite",
 141                         },
 142                         {
 143                                 .video_input    = 9,
 144                                 .name           = "S-Video",
 145                         },
 146                 },
 147         },
 148 };
 149
 150 static struct go7007_usb_board board_star_trek = {
 151         .flags          = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
 152         .main_info      = {
 153                 .firmware        = "go7007tv.bin",
 154                 .flags           = GO7007_BOARD_HAS_AUDIO, /* |
 155                                         GO7007_BOARD_HAS_TUNER, */
 156                 .sensor_flags    = GO7007_SENSOR_656 |
 157                                         GO7007_SENSOR_VALID_ENABLE |
 158                                         GO7007_SENSOR_TV |
 159                                         GO7007_SENSOR_VBI |
 160                                         GO7007_SENSOR_SCALING,
 161                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 162                                         GO7007_AUDIO_WORD_16,
 163                 .audio_bclk_div  = 8,
 164                 .audio_main_div  = 2,
 165                 .hpi_buffer_cap  = 7,
 166                 .num_i2c_devs    = 1,
 167                 .i2c_devs        = {
 168                         {
 169                                 .type   = "wis_saa7115",
 170                                 .id     = I2C_DRIVERID_WIS_SAA7115,
 171                                 .addr   = 0x20,
 172                         },
 173                 },
 174                 .num_inputs      = 2,
 175                 .inputs          = {
 176                         {
 177                                 .video_input    = 1,
 178                         /*      .audio_input    = AUDIO_EXTERN, */
 179                                 .name           = "Composite",
 180                         },
 181                         {
 182                                 .video_input    = 8,
 183                         /*      .audio_input    = AUDIO_EXTERN, */
 184                                 .name           = "S-Video",
 185                         },
 186                 /*      {
 187                  *              .video_input    = 3,
 188                  *              .audio_input    = AUDIO_TUNER,
 189                  *              .name           = "Tuner",
 190                  *      },
 191                  */
 192                 },
 193         },
 194 };
 195
 196 static struct go7007_usb_board board_px_tv402u = {
 197         .flags          = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
 198         .main_info      = {
 199                 .firmware        = "go7007tv.bin",
 200                 .flags           = GO7007_BOARD_HAS_AUDIO |
 201                                         GO7007_BOARD_HAS_TUNER,
 202                 .sensor_flags    = GO7007_SENSOR_656 |
 203                                         GO7007_SENSOR_VALID_ENABLE |
 204                                         GO7007_SENSOR_TV |
 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    = 3,
 213                 .i2c_devs        = {
 214                         {
 215                                 .type   = "wis_saa7115",
 216                                 .id     = I2C_DRIVERID_WIS_SAA7115,
 217                                 .addr   = 0x20,
 218                         },
 219                         {
 220                                 .type   = "wis_uda1342",
 221                                 .id     = I2C_DRIVERID_WIS_UDA1342,
 222                                 .addr   = 0x1a,
 223                         },
 224                         {
 225                                 .type   = "wis_sony_tuner",
 226                                 .id     = I2C_DRIVERID_WIS_SONY_TUNER,
 227                                 .addr   = 0x60,
 228                         },
 229                 },
 230                 .num_inputs      = 3,
 231                 .inputs          = {
 232                         {
 233                                 .video_input    = 1,
 234                                 .audio_input    = TVAUDIO_INPUT_EXTERN,
 235                                 .name           = "Composite",
 236                         },
 237                         {
 238                                 .video_input    = 8,
 239                                 .audio_input    = TVAUDIO_INPUT_EXTERN,
 240                                 .name           = "S-Video",
 241                         },
 242                         {
 243                                 .video_input    = 3,
 244                                 .audio_input    = TVAUDIO_INPUT_TUNER,
 245                                 .name           = "Tuner",
 246                         },
 247                 },
 248         },
 249 };
 250
 251 static struct go7007_usb_board board_xmen = {
 252         .flags          = 0,
 253         .main_info      = {
 254                 .firmware         = "go7007tv.bin",
 255                 .flags            = GO7007_BOARD_USE_ONBOARD_I2C,
 256                 .hpi_buffer_cap   = 0,
 257                 .sensor_flags     = GO7007_SENSOR_VREF_POLAR,
 258                 .sensor_width     = 320,
 259                 .sensor_height    = 240,
 260                 .sensor_framerate = 30030,
 261                 .audio_flags      = GO7007_AUDIO_ONE_CHANNEL |
 262                                         GO7007_AUDIO_I2S_MODE_3 |
 263                                         GO7007_AUDIO_WORD_14 |
 264                                         GO7007_AUDIO_I2S_MASTER |
 265                                         GO7007_AUDIO_BCLK_POLAR |
 266                                         GO7007_AUDIO_OKI_MODE,
 267                 .audio_rate       = 8000,
 268                 .audio_bclk_div   = 48,
 269                 .audio_main_div   = 1,
 270                 .num_i2c_devs     = 1,
 271                 .i2c_devs         = {
 272                         {
 273                                 .type   = "wis_ov7640",
 274                                 .id     = I2C_DRIVERID_WIS_OV7640,
 275                                 .addr   = 0x21,
 276                         },
 277                 },
 278                 .num_inputs       = 1,
 279                 .inputs           = {
 280                         {
 281                                 .name           = "Camera",
 282                         },
 283                 },
 284         },
 285 };
 286
 287 static struct go7007_usb_board board_matrix_revolution = {
 288         .flags          = GO7007_USB_EZUSB,
 289         .main_info      = {
 290                 .firmware        = "go7007tv.bin",
 291                 .flags           = GO7007_BOARD_HAS_AUDIO |
 292                                         GO7007_BOARD_USE_ONBOARD_I2C,
 293                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 294                                         GO7007_AUDIO_I2S_MASTER |
 295                                         GO7007_AUDIO_WORD_16,
 296                 .audio_rate      = 48000,
 297                 .audio_bclk_div  = 8,
 298                 .audio_main_div  = 2,
 299                 .hpi_buffer_cap  = 7,
 300                 .sensor_flags    = GO7007_SENSOR_656 |
 301                                         GO7007_SENSOR_TV |
 302                                         GO7007_SENSOR_VBI,
 303                 .num_i2c_devs    = 1,
 304                 .i2c_devs        = {
 305                         {
 306                                 .type   = "wis_tw9903",
 307                                 .id     = I2C_DRIVERID_WIS_TW9903,
 308                                 .addr   = 0x44,
 309                         },
 310                 },
 311                 .num_inputs      = 2,
 312                 .inputs          = {
 313                         {
 314                                 .video_input    = 2,
 315                                 .name           = "Composite",
 316                         },
 317                         {
 318                                 .video_input    = 8,
 319                                 .name           = "S-Video",
 320                         },
 321                 },
 322         },
 323 };
 324
 325 static struct go7007_usb_board board_lifeview_lr192 = {
 326         .flags          = GO7007_USB_EZUSB,
 327         .main_info      = {
 328                 .firmware        = "go7007tv.bin",
 329                 .flags           = GO7007_BOARD_HAS_AUDIO |
 330                                         GO7007_BOARD_USE_ONBOARD_I2C,
 331                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 332                                         GO7007_AUDIO_WORD_16,
 333                 .audio_rate      = 48000,
 334                 .audio_bclk_div  = 8,
 335                 .audio_main_div  = 2,
 336                 .hpi_buffer_cap  = 7,
 337                 .sensor_flags    = GO7007_SENSOR_656 |
 338                                         GO7007_SENSOR_VALID_ENABLE |
 339                                         GO7007_SENSOR_TV |
 340                                         GO7007_SENSOR_VBI |
 341                                         GO7007_SENSOR_SCALING,
 342                 .num_i2c_devs    = 0,
 343                 .num_inputs      = 1,
 344                 .inputs          = {
 345                         {
 346                                 .video_input    = 0,
 347                                 .name           = "Composite",
 348                         },
 349                 },
 350         },
 351 };
 352
 353 static struct go7007_usb_board board_endura = {
 354         .flags          = 0,
 355         .main_info      = {
 356                 .firmware        = "go7007tv.bin",
 357                 .flags           = 0,
 358                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 359                                         GO7007_AUDIO_I2S_MASTER |
 360                                         GO7007_AUDIO_WORD_16,
 361                 .audio_rate      = 8000,
 362                 .audio_bclk_div  = 48,
 363                 .audio_main_div  = 8,
 364                 .hpi_buffer_cap  = 0,
 365                 .sensor_flags    = GO7007_SENSOR_656 |
 366                                         GO7007_SENSOR_TV,
 367                 .sensor_h_offset = 8,
 368                 .num_i2c_devs    = 0,
 369                 .num_inputs      = 1,
 370                 .inputs          = {
 371                         {
 372                                 .name           = "Camera",
 373                         },
 374                 },
 375         },
 376 };
 377
 378 static struct go7007_usb_board board_adlink_mpg24 = {
 379         .flags          = 0,
 380         .main_info      = {
 381                 .firmware        = "go7007tv.bin",
 382                 .flags           = GO7007_BOARD_USE_ONBOARD_I2C,
 383                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 384                                         GO7007_AUDIO_I2S_MASTER |
 385                                         GO7007_AUDIO_WORD_16,
 386                 .audio_rate      = 48000,
 387                 .audio_bclk_div  = 8,
 388                 .audio_main_div  = 2,
 389                 .hpi_buffer_cap  = 0,
 390                 .sensor_flags    = GO7007_SENSOR_656 |
 391                                         GO7007_SENSOR_TV |
 392                                         GO7007_SENSOR_VBI,
 393                 .num_i2c_devs    = 1,
 394                 .i2c_devs        = {
 395                         {
 396                                 .type   = "wis_twTW2804",
 397                                 .id     = I2C_DRIVERID_WIS_TW2804,
 398                                 .addr   = 0x00, /* yes, really */
 399                         },
 400                 },
 401                 .num_inputs      = 1,
 402                 .inputs          = {
 403                         {
 404                                 .name           = "Composite",
 405                         },
 406                 },
 407         },
 408 };
 409
 410 static struct go7007_usb_board board_sensoray_2250 = {
 411         .flags          = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
 412         .main_info      = {
 413                 .firmware        = "go7007tv.bin",
 414                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 415                                         GO7007_AUDIO_I2S_MASTER |
 416                                         GO7007_AUDIO_WORD_16,
 417                 .flags           = GO7007_BOARD_HAS_AUDIO,
 418                 .audio_rate      = 48000,
 419                 .audio_bclk_div  = 8,
 420                 .audio_main_div  = 2,
 421                 .hpi_buffer_cap  = 7,
 422                 .sensor_flags    = GO7007_SENSOR_656 |
 423                                         GO7007_SENSOR_TV,
 424                 .num_i2c_devs    = 1,
 425                 .i2c_devs        = {
 426                         {
 427                                 .type   = "s2250_board",
 428                                 .id     = I2C_DRIVERID_S2250,
 429                                 .addr   = 0x43,
 430                         },
 431                 },
 432                 .num_inputs      = 2,
 433                 .inputs          = {
 434                         {
 435                                 .video_input    = 0,
 436                                 .name           = "Composite",
 437                         },
 438                         {
 439                                 .video_input    = 1,
 440                                 .name           = "S-Video",
 441                         },
 442                 },
 443         },
 444 };
 445
 446 static struct usb_device_id go7007_usb_id_table[] = {
 447         {
 448                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 449                                         USB_DEVICE_ID_MATCH_INT_INFO,
 450                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 451                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 452                 .bcdDevice_lo   = 0x200,   /* Revision number of XMen */
 453                 .bcdDevice_hi   = 0x200,
 454                 .bInterfaceClass        = 255,
 455                 .bInterfaceSubClass     = 0,
 456                 .bInterfaceProtocol     = 255,
 457                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN,
 458         },
 459         {
 460                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 461                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 462                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 463                 .bcdDevice_lo   = 0x202,   /* Revision number of Matrix II */
 464                 .bcdDevice_hi   = 0x202,
 465                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
 466         },
 467         {
 468                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 469                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 470                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 471                 .bcdDevice_lo   = 0x204,   /* Revision number of Matrix */
 472                 .bcdDevice_hi   = 0x204,   /*     Reloaded */
 473                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
 474         },
 475         {
 476                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 477                                         USB_DEVICE_ID_MATCH_INT_INFO,
 478                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 479                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 480                 .bcdDevice_lo   = 0x205,   /* Revision number of XMen-II */
 481                 .bcdDevice_hi   = 0x205,
 482                 .bInterfaceClass        = 255,
 483                 .bInterfaceSubClass     = 0,
 484                 .bInterfaceProtocol     = 255,
 485                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
 486         },
 487         {
 488                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 489                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 490                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 491                 .bcdDevice_lo   = 0x208,   /* Revision number of Star Trek */
 492                 .bcdDevice_hi   = 0x208,
 493                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
 494         },
 495         {
 496                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 497                                         USB_DEVICE_ID_MATCH_INT_INFO,
 498                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 499                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 500                 .bcdDevice_lo   = 0x209,   /* Revision number of XMen-III */
 501                 .bcdDevice_hi   = 0x209,
 502                 .bInterfaceClass        = 255,
 503                 .bInterfaceSubClass     = 0,
 504                 .bInterfaceProtocol     = 255,
 505                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
 506         },
 507         {
 508                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 509                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 510                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 511                 .bcdDevice_lo   = 0x210,   /* Revision number of Matrix */
 512                 .bcdDevice_hi   = 0x210,   /*     Revolution */
 513                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
 514         },
 515         {
 516                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 517                 .idVendor       = 0x093b,  /* Vendor ID of Plextor */
 518                 .idProduct      = 0xa102,  /* Product ID of M402U */
 519                 .bcdDevice_lo   = 0x1,     /* revision number of Blueberry */
 520                 .bcdDevice_hi   = 0x1,
 521                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
 522         },
 523         {
 524                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 525                 .idVendor       = 0x093b,  /* Vendor ID of Plextor */
 526                 .idProduct      = 0xa104,  /* Product ID of TV402U */
 527                 .bcdDevice_lo   = 0x1,
 528                 .bcdDevice_hi   = 0x1,
 529                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_PX_TV402U_ANY,
 530         },
 531         {
 532                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 533                 .idVendor       = 0x10fd,  /* Vendor ID of Anubis Electronics */
 534                 .idProduct      = 0xde00,  /* Product ID of Lifeview LR192 */
 535                 .bcdDevice_lo   = 0x1,
 536                 .bcdDevice_hi   = 0x1,
 537                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
 538         },
 539         {
 540                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 541                 .idVendor       = 0x1943,  /* Vendor ID Sensoray */
 542                 .idProduct      = 0x2250,  /* Product ID of 2250/2251 */
 543                 .bcdDevice_lo   = 0x1,
 544                 .bcdDevice_hi   = 0x1,
 545                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
 546         },
 547         { }                                     /* Terminating entry */
 548 };
 549
 550 MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
 551
 552 /********************* Driver for EZ-USB HPI interface *********************/
 553
 554 static int go7007_usb_vendor_request(struct go7007 *go, int request,
 555                 int value, int index, void *transfer_buffer, int length, int in)
 556 {
 557         struct go7007_usb *usb = go->hpi_context;
 558         int timeout = 5000;
 559
 560         if (in) {
 561                 return usb_control_msg(usb->usbdev,
 562                                 usb_rcvctrlpipe(usb->usbdev, 0), request,
 563                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 564                                 value, index, transfer_buffer, length, timeout);
 565         } else {
 566                 return usb_control_msg(usb->usbdev,
 567                                 usb_sndctrlpipe(usb->usbdev, 0), request,
 568                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 569                                 value, index, transfer_buffer, length, timeout);
 570         }
 571 }
 572
 573 static int go7007_usb_interface_reset(struct go7007 *go)
 574 {
 575         struct go7007_usb *usb = go->hpi_context;
 576         u16 intr_val, intr_data;
 577
 578         /* Reset encoder */
 579         if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
 580                 return -1;
 581         msleep(100);
 582
 583         if (usb->board->flags & GO7007_USB_EZUSB) {
 584                 /* Reset buffer in EZ-USB */
 585 #ifdef GO7007_USB_DEBUG
 586                 printk(KERN_DEBUG "go7007-usb: resetting EZ-USB buffers\n");
 587 #endif
 588                 if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
 589                     go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
 590                         return -1;
 591
 592                 /* Reset encoder again */
 593                 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
 594                         return -1;
 595                 msleep(100);
 596         }
 597
 598         /* Wait for an interrupt to indicate successful hardware reset */
 599         if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
 600                         (intr_val & ~0x1) != 0x55aa) {
 601                 printk(KERN_ERR
 602                         "go7007-usb: unable to reset the USB interface\n");
 603                 return -1;
 604         }
 605         return 0;
 606 }
 607
 608 static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
 609                                                 int addr, int data)
 610 {
 611         struct go7007_usb *usb = go->hpi_context;
 612         int i, r;
 613         u16 status_reg;
 614         int timeout = 500;
 615
 616 #ifdef GO7007_USB_DEBUG
 617         printk(KERN_DEBUG
 618                 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
 619 #endif
 620
 621         for (i = 0; i < 100; ++i) {
 622                 r = usb_control_msg(usb->usbdev,
 623                                 usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
 624                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 625                                 0, HPI_STATUS_ADDR, &status_reg,
 626                                 sizeof(status_reg), timeout);
 627                 if (r < 0)
 628                         goto write_int_error;
 629                 __le16_to_cpus(&status_reg);
 630                 if (!(status_reg & 0x0010))
 631                         break;
 632                 msleep(10);
 633         }
 634         if (i == 100) {
 635                 printk(KERN_ERR
 636                         "go7007-usb: device is hung, status reg = 0x%04x\n",
 637                         status_reg);
 638                 return -1;
 639         }
 640         r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
 641                         USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
 642                         INT_PARAM_ADDR, NULL, 0, timeout);
 643         if (r < 0)
 644                 goto write_int_error;
 645         r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
 646                         0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
 647                         INT_INDEX_ADDR, NULL, 0, timeout);
 648         if (r < 0)
 649                 goto write_int_error;
 650         return 0;
 651
 652 write_int_error:
 653         printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
 654         return r;
 655 }
 656
 657 static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
 658                                                 int addr, int data)
 659 {
 660         struct go7007_usb *usb = go->hpi_context;
 661         u8 *tbuf;
 662         int r;
 663         int timeout = 500;
 664
 665 #ifdef GO7007_USB_DEBUG
 666         printk(KERN_DEBUG
 667                 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
 668 #endif
 669
 670         tbuf = kmalloc(8, GFP_KERNEL);
 671         if (tbuf == NULL)
 672                 return -ENOMEM;
 673         memset(tbuf, 0, 8);
 674         tbuf[0] = data & 0xff;
 675         tbuf[1] = data >> 8;
 676         tbuf[2] = addr & 0xff;
 677         tbuf[3] = addr >> 8;
 678         r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
 679                         USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
 680                         0xf0f0, tbuf, 8, timeout);
 681         kfree(tbuf);
 682         if (r < 0) {
 683                 printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
 684                 return r;
 685         }
 686         return 0;
 687 }
 688
 689 static void go7007_usb_readinterrupt_complete(struct urb *urb)
 690 {
 691         struct go7007 *go = (struct go7007 *)urb->context;
 692         u16 *regs = (u16 *)urb->transfer_buffer;
 693         int status = urb->status;
 694
 695         if (status) {
 696                 if (status != -ESHUTDOWN &&
 697                                 go->status != STATUS_SHUTDOWN) {
 698                         printk(KERN_ERR
 699                                 "go7007-usb: error in read interrupt: %d\n",
 700                                 urb->status);
 701                 } else {
 702                         wake_up(&go->interrupt_waitq);
 703                         return;
 704                 }
 705         } else if (urb->actual_length != urb->transfer_buffer_length) {
 706                 printk(KERN_ERR "go7007-usb: short read in interrupt pipe!\n");
 707         } else {
 708                 go->interrupt_available = 1;
 709                 go->interrupt_data = __le16_to_cpu(regs[0]);
 710                 go->interrupt_value = __le16_to_cpu(regs[1]);
 711 #ifdef GO7007_USB_DEBUG
 712                 printk(KERN_DEBUG "go7007-usb: ReadInterrupt: %04x %04x\n",
 713                                 go->interrupt_value, go->interrupt_data);
 714 #endif
 715         }
 716
 717         wake_up(&go->interrupt_waitq);
 718 }
 719
 720 static int go7007_usb_read_interrupt(struct go7007 *go)
 721 {
 722         struct go7007_usb *usb = go->hpi_context;
 723         int r;
 724
 725         r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
 726         if (r < 0) {
 727                 printk(KERN_ERR
 728                         "go7007-usb: unable to submit interrupt urb: %d\n", r);
 729                 return r;
 730         }
 731         return 0;
 732 }
 733
 734 static void go7007_usb_read_video_pipe_complete(struct urb *urb)
 735 {
 736         struct go7007 *go = (struct go7007 *)urb->context;
 737         int r, status = urb-> status;
 738
 739         if (!go->streaming) {
 740                 wake_up_interruptible(&go->frame_waitq);
 741                 return;
 742         }
 743         if (status) {
 744                 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", status);
 745                 return;
 746         }
 747         if (urb->actual_length != urb->transfer_buffer_length) {
 748                 printk(KERN_ERR "go7007-usb: short read in video pipe!\n");
 749                 return;
 750         }
 751         go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
 752         r = usb_submit_urb(urb, GFP_ATOMIC);
 753         if (r < 0)
 754                 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", r);
 755 }
 756
 757 static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
 758 {
 759         struct go7007 *go = (struct go7007 *)urb->context;
 760         int r, status = urb->status;
 761
 762         if (!go->streaming)
 763                 return;
 764         if (status) {
 765                 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", status);
 766                 return;
 767         }
 768         if (urb->actual_length != urb->transfer_buffer_length) {
 769                 printk(KERN_ERR "go7007-usb: short read in audio pipe!\n");
 770                 return;
 771         }
 772         if (go->audio_deliver != NULL)
 773                 go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
 774         r = usb_submit_urb(urb, GFP_ATOMIC);
 775         if (r < 0)
 776                 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", r);
 777 }
 778
 779 static int go7007_usb_stream_start(struct go7007 *go)
 780 {
 781         struct go7007_usb *usb = go->hpi_context;
 782         int i, r;
 783
 784         for (i = 0; i < 8; ++i) {
 785                 r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
 786                 if (r < 0) {
 787                         printk(KERN_ERR "go7007-usb: error submitting video "
 788                                         "urb %d: %d\n", i, r);
 789                         goto video_submit_failed;
 790                 }
 791         }
 792         if (!go->audio_enabled)
 793                 return 0;
 794
 795         for (i = 0; i < 8; ++i) {
 796                 r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
 797                 if (r < 0) {
 798                         printk(KERN_ERR "go7007-usb: error submitting audio "
 799                                         "urb %d: %d\n", i, r);
 800                         goto audio_submit_failed;
 801                 }
 802         }
 803         return 0;
 804
 805 audio_submit_failed:
 806         for (i = 0; i < 7; ++i)
 807                 usb_kill_urb(usb->audio_urbs[i]);
 808 video_submit_failed:
 809         for (i = 0; i < 8; ++i)
 810                 usb_kill_urb(usb->video_urbs[i]);
 811         return -1;
 812 }
 813
 814 static int go7007_usb_stream_stop(struct go7007 *go)
 815 {
 816         struct go7007_usb *usb = go->hpi_context;
 817         int i;
 818
 819         if (go->status == STATUS_SHUTDOWN)
 820                 return 0;
 821         for (i = 0; i < 8; ++i)
 822                 usb_kill_urb(usb->video_urbs[i]);
 823         if (go->audio_enabled)
 824                 for (i = 0; i < 8; ++i)
 825                         usb_kill_urb(usb->audio_urbs[i]);
 826         return 0;
 827 }
 828
 829 static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
 830 {
 831         struct go7007_usb *usb = go->hpi_context;
 832         int transferred, pipe;
 833         int timeout = 500;
 834
 835 #ifdef GO7007_USB_DEBUG
 836         printk(KERN_DEBUG "go7007-usb: DownloadBuffer sending %d bytes\n", len);
 837 #endif
 838
 839         if (usb->board->flags & GO7007_USB_EZUSB)
 840                 pipe = usb_sndbulkpipe(usb->usbdev, 2);
 841         else
 842                 pipe = usb_sndbulkpipe(usb->usbdev, 3);
 843
 844         return usb_bulk_msg(usb->usbdev, pipe, data, len,
 845                                         &transferred, timeout);
 846 }
 847
 848 static struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
 849         .interface_reset        = go7007_usb_interface_reset,
 850         .write_interrupt        = go7007_usb_ezusb_write_interrupt,
 851         .read_interrupt         = go7007_usb_read_interrupt,
 852         .stream_start           = go7007_usb_stream_start,
 853         .stream_stop            = go7007_usb_stream_stop,
 854         .send_firmware          = go7007_usb_send_firmware,
 855 };
 856
 857 static struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
 858         .interface_reset        = go7007_usb_interface_reset,
 859         .write_interrupt        = go7007_usb_onboard_write_interrupt,
 860         .read_interrupt         = go7007_usb_read_interrupt,
 861         .stream_start           = go7007_usb_stream_start,
 862         .stream_stop            = go7007_usb_stream_stop,
 863         .send_firmware          = go7007_usb_send_firmware,
 864 };
 865
 866 /********************* Driver for EZ-USB I2C adapter *********************/
 867
 868 static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
 869                                         struct i2c_msg msgs[], int num)
 870 {
 871         struct go7007 *go = i2c_get_adapdata(adapter);
 872         struct go7007_usb *usb = go->hpi_context;
 873         u8 buf[16];
 874         int buf_len, i;
 875         int ret = -1;
 876
 877         if (go->status == STATUS_SHUTDOWN)
 878                 return -1;
 879
 880         down(&usb->i2c_lock);
 881
 882         for (i = 0; i < num; ++i) {
 883                 /* The hardware command is "write some bytes then read some
 884                  * bytes", so we try to coalesce a write followed by a read
 885                  * into a single USB transaction */
 886                 if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
 887                                 !(msgs[i].flags & I2C_M_RD) &&
 888                                 (msgs[i + 1].flags & I2C_M_RD)) {
 889 #ifdef GO7007_I2C_DEBUG
 890                         printk(KERN_DEBUG "go7007-usb: i2c write/read %d/%d "
 891                                         "bytes on %02x\n", msgs[i].len,
 892                                         msgs[i + 1].len, msgs[i].addr);
 893 #endif
 894                         buf[0] = 0x01;
 895                         buf[1] = msgs[i].len + 1;
 896                         buf[2] = msgs[i].addr << 1;
 897                         memcpy(&buf[3], msgs[i].buf, msgs[i].len);
 898                         buf_len = msgs[i].len + 3;
 899                         buf[buf_len++] = msgs[++i].len;
 900                 } else if (msgs[i].flags & I2C_M_RD) {
 901 #ifdef GO7007_I2C_DEBUG
 902                         printk(KERN_DEBUG "go7007-usb: i2c read %d "
 903                                         "bytes on %02x\n", msgs[i].len,
 904                                         msgs[i].addr);
 905 #endif
 906                         buf[0] = 0x01;
 907                         buf[1] = 1;
 908                         buf[2] = msgs[i].addr << 1;
 909                         buf[3] = msgs[i].len;
 910                         buf_len = 4;
 911                 } else {
 912 #ifdef GO7007_I2C_DEBUG
 913                         printk(KERN_DEBUG "go7007-usb: i2c write %d "
 914                                         "bytes on %02x\n", msgs[i].len,
 915                                         msgs[i].addr);
 916 #endif
 917                         buf[0] = 0x00;
 918                         buf[1] = msgs[i].len + 1;
 919                         buf[2] = msgs[i].addr << 1;
 920                         memcpy(&buf[3], msgs[i].buf, msgs[i].len);
 921                         buf_len = msgs[i].len + 3;
 922                         buf[buf_len++] = 0;
 923                 }
 924                 if (go7007_usb_vendor_request(go, 0x24, 0, 0,
 925                                                 buf, buf_len, 0) < 0)
 926                         goto i2c_done;
 927                 if (msgs[i].flags & I2C_M_RD) {
 928                         memset(buf, 0, sizeof(buf));
 929                         if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
 930                                                 msgs[i].len + 1, 1) < 0)
 931                                 goto i2c_done;
 932                         memcpy(msgs[i].buf, buf + 1, msgs[i].len);
 933                 }
 934         }
 935         ret = 0;
 936
 937 i2c_done:
 938         up(&usb->i2c_lock);
 939         return ret;
 940 }
 941
 942 static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
 943 {
 944         /* No errors are reported by the hardware, so we don't bother
 945          * supporting quick writes to avoid confusing probing */
 946         return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
 947 }
 948
 949 static struct i2c_algorithm go7007_usb_algo = {
 950         .master_xfer    = go7007_usb_i2c_master_xfer,
 951         .functionality  = go7007_usb_functionality,
 952 };
 953
 954 static struct i2c_adapter go7007_usb_adap_templ = {
 955         .owner                  = THIS_MODULE,
 956         .name                   = "WIS GO7007SB EZ-USB",
 957         .algo                   = &go7007_usb_algo,
 958 };
 959
 960 /********************* USB add/remove functions *********************/
 961
 962 static int go7007_usb_probe(struct usb_interface *intf,
 963                 const struct usb_device_id *id)
 964 {
 965         struct go7007 *go;
 966         struct go7007_usb *usb;
 967         struct go7007_usb_board *board;
 968         struct usb_device *usbdev = interface_to_usbdev(intf);
 969         char *name;
 970         int video_pipe, i, v_urb_len;
 971
 972         printk(KERN_DEBUG "go7007-usb: probing new GO7007 USB board\n");
 973
 974         switch (id->driver_info) {
 975         case GO7007_BOARDID_MATRIX_II:
 976                 name = "WIS Matrix II or compatible";
 977                 board = &board_matrix_ii;
 978                 break;
 979         case GO7007_BOARDID_MATRIX_RELOAD:
 980                 name = "WIS Matrix Reloaded or compatible";
 981                 board = &board_matrix_reload;
 982                 break;
 983         case GO7007_BOARDID_MATRIX_REV:
 984                 name = "WIS Matrix Revolution or compatible";
 985                 board = &board_matrix_revolution;
 986                 break;
 987         case GO7007_BOARDID_STAR_TREK:
 988                 name = "WIS Star Trek or compatible";
 989                 board = &board_star_trek;
 990                 break;
 991         case GO7007_BOARDID_XMEN:
 992                 name = "WIS XMen or compatible";
 993                 board = &board_xmen;
 994                 break;
 995         case GO7007_BOARDID_XMEN_II:
 996                 name = "WIS XMen II or compatible";
 997                 board = &board_xmen;
 998                 break;
 999         case GO7007_BOARDID_XMEN_III:
1000                 name = "WIS XMen III or compatible";
1001                 board = &board_xmen;
1002                 break;
1003         case GO7007_BOARDID_PX_M402U:
1004                 name = "Plextor PX-M402U";
1005                 board = &board_matrix_ii;
1006                 break;
1007         case GO7007_BOARDID_PX_TV402U_ANY:
1008                 name = "Plextor PX-TV402U (unknown tuner)";
1009                 board = &board_px_tv402u;
1010                 break;
1011         case GO7007_BOARDID_LIFEVIEW_LR192:
1012                 printk(KERN_ERR "go7007-usb: The Lifeview TV Walker Ultra "
1013                                 "is not supported.  Sorry!\n");
1014                 return 0;
1015                 name = "Lifeview TV Walker Ultra";
1016                 board = &board_lifeview_lr192;
1017                 break;
1018         case GO7007_BOARDID_SENSORAY_2250:
1019                 printk(KERN_INFO "Sensoray 2250 found\n");
1020                 name = "Sensoray 2250/2251\n";
1021                 board = &board_sensoray_2250;
1022                 break;
1023         default:
1024                 printk(KERN_ERR "go7007-usb: unknown board ID %d!\n",
1025                                 (unsigned int)id->driver_info);
1026                 return 0;
1027         }
1028
1029         usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
1030         if (usb == NULL)
1031                 return -ENOMEM;
1032
1033         /* Allocate the URB and buffer for receiving incoming interrupts */
1034         usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1035         if (usb->intr_urb == NULL)
1036                 goto allocfail;
1037         usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL);
1038         if (usb->intr_urb->transfer_buffer == NULL)
1039                 goto allocfail;
1040
1041         go = go7007_alloc(&board->main_info, &intf->dev);
1042         if (go == NULL)
1043                 goto allocfail;
1044         usb->board = board;
1045         usb->usbdev = usbdev;
1046         go->board_id = id->driver_info;
1047         strncpy(go->name, name, sizeof(go->name));
1048         if (board->flags & GO7007_USB_EZUSB)
1049                 go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
1050         else
1051                 go->hpi_ops = &go7007_usb_onboard_hpi_ops;
1052         go->hpi_context = usb;
1053         usb_fill_int_urb(usb->intr_urb, usb->usbdev,
1054                         usb_rcvintpipe(usb->usbdev, 4),
1055                         usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1056                         go7007_usb_readinterrupt_complete, go, 8);
1057         usb_set_intfdata(intf, go);
1058
1059         /* Boot the GO7007 */
1060         if (go7007_boot_encoder(go, go->board_info->flags &
1061                                         GO7007_BOARD_USE_ONBOARD_I2C) < 0)
1062                 goto initfail;
1063
1064         /* Register the EZ-USB I2C adapter, if we're using it */
1065         if (board->flags & GO7007_USB_EZUSB_I2C) {
1066                 memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
1067                                 sizeof(go7007_usb_adap_templ));
1068                 init_MUTEX(&usb->i2c_lock);
1069                 go->i2c_adapter.dev.parent = go->dev;
1070                 i2c_set_adapdata(&go->i2c_adapter, go);
1071                 if (i2c_add_adapter(&go->i2c_adapter) < 0) {
1072                         printk(KERN_ERR
1073                                 "go7007-usb: error: i2c_add_adapter failed\n");
1074                         goto initfail;
1075                 }
1076                 go->i2c_adapter_online = 1;
1077         }
1078
1079         /* Pelco and Adlink reused the XMen and XMen-III vendor and product
1080          * IDs for their own incompatible designs.  We can detect XMen boards
1081          * by probing the sensor, but there is no way to probe the sensors on
1082          * the Pelco and Adlink designs so we default to the Adlink.  If it
1083          * is actually a Pelco, the user must set the assume_endura module
1084          * parameter. */
1085         if ((go->board_id == GO7007_BOARDID_XMEN ||
1086                                 go->board_id == GO7007_BOARDID_XMEN_III) &&
1087                         go->i2c_adapter_online) {
1088                 union i2c_smbus_data data;
1089
1090                 /* Check to see if register 0x0A is 0x76 */
1091                 i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
1092                         I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
1093                 if (data.byte != 0x76) {
1094                         if (assume_endura) {
1095                                 go->board_id = GO7007_BOARDID_ENDURA;
1096                                 usb->board = board = &board_endura;
1097                                 go->board_info = &board->main_info;
1098                                 strncpy(go->name, "Pelco Endura",
1099                                                 sizeof(go->name));
1100                         } else {
1101                                 u16 channel;
1102
1103                                 /* set GPIO5 to be an output, currently low */
1104                                 go7007_write_addr(go, 0x3c82, 0x0000);
1105                                 go7007_write_addr(go, 0x3c80, 0x00df);
1106                                 /* read channel number from GPIO[1:0] */
1107                                 go7007_read_addr(go, 0x3c81, &channel);
1108                                 channel &= 0x3;
1109                                 go->board_id = GO7007_BOARDID_ADLINK_MPG24;
1110                                 usb->board = board = &board_adlink_mpg24;
1111                                 go->board_info = &board->main_info;
1112                                 go->channel_number = channel;
1113                                 snprintf(go->name, sizeof(go->name),
1114                                         "Adlink PCI-MPG24, channel #%d",
1115                                         channel);
1116                         }
1117                 }
1118         }
1119
1120         /* Probe the tuner model on the TV402U */
1121         if (go->board_id == GO7007_BOARDID_PX_TV402U_ANY) {
1122                 u8 data[3];
1123
1124                 /* Board strapping indicates tuner model */
1125                 if (go7007_usb_vendor_request(go, 0x41, 0, 0, data, 3, 1) < 0) {
1126                         printk(KERN_ERR "go7007-usb: GPIO read failed!\n");
1127                         goto initfail;
1128                 }
1129                 switch (data[0] >> 6) {
1130                 case 1:
1131                         go->board_id = GO7007_BOARDID_PX_TV402U_EU;
1132                         go->tuner_type = TUNER_SONY_BTF_PG472Z;
1133                         strncpy(go->name, "Plextor PX-TV402U-EU",
1134                                         sizeof(go->name));
1135                         break;
1136                 case 2:
1137                         go->board_id = GO7007_BOARDID_PX_TV402U_JP;
1138                         go->tuner_type = TUNER_SONY_BTF_PK467Z;
1139                         strncpy(go->name, "Plextor PX-TV402U-JP",
1140                                         sizeof(go->name));
1141                         break;
1142                 case 3:
1143                         go->board_id = GO7007_BOARDID_PX_TV402U_NA;
1144                         go->tuner_type = TUNER_SONY_BTF_PB463Z;
1145                         strncpy(go->name, "Plextor PX-TV402U-NA",
1146                                         sizeof(go->name));
1147                         break;
1148                 default:
1149                         printk(KERN_DEBUG "go7007-usb: unable to detect "
1150                                                 "tuner type!\n");
1151                         break;
1152                 }
1153                 /* Configure tuner mode selection inputs connected
1154                  * to the EZ-USB GPIO output pins */
1155                 if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
1156                                         NULL, 0, 0) < 0) {
1157                         printk(KERN_ERR
1158                                 "go7007-usb: GPIO write failed!\n");
1159                         goto initfail;
1160                 }
1161         }
1162
1163         /* Print a nasty message if the user attempts to use a USB2.0 device in
1164          * a USB1.1 port.  There will be silent corruption of the stream. */
1165         if ((board->flags & GO7007_USB_EZUSB) &&
1166                         usbdev->speed != USB_SPEED_HIGH)
1167                 printk(KERN_ERR "go7007-usb: *** WARNING ***  This device "
1168                                 "must be connected to a USB 2.0 port!  "
1169                                 "Attempting to capture video through a USB 1.1 "
1170                                 "port will result in stream corruption, even "
1171                                 "at low bitrates!\n");
1172
1173         /* Do any final GO7007 initialization, then register the
1174          * V4L2 and ALSA interfaces */
1175         if (go7007_register_encoder(go) < 0)
1176                 goto initfail;
1177
1178         /* Allocate the URBs and buffers for receiving the video stream */
1179         if (board->flags & GO7007_USB_EZUSB) {
1180                 v_urb_len = 1024;
1181                 video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
1182         } else {
1183                 v_urb_len = 512;
1184                 video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
1185         }
1186         for (i = 0; i < 8; ++i) {
1187                 usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1188                 if (usb->video_urbs[i] == NULL)
1189                         goto initfail;
1190                 usb->video_urbs[i]->transfer_buffer =
1191                                                 kmalloc(v_urb_len, GFP_KERNEL);
1192                 if (usb->video_urbs[i]->transfer_buffer == NULL)
1193                         goto initfail;
1194                 usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
1195                                 usb->video_urbs[i]->transfer_buffer, v_urb_len,
1196                                 go7007_usb_read_video_pipe_complete, go);
1197         }
1198
1199         /* Allocate the URBs and buffers for receiving the audio stream */
1200         if ((board->flags & GO7007_USB_EZUSB) && go->audio_enabled)
1201                 for (i = 0; i < 8; ++i) {
1202                         usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1203                         if (usb->audio_urbs[i] == NULL)
1204                                 goto initfail;
1205                         usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
1206                                                                 GFP_KERNEL);
1207                         if (usb->audio_urbs[i]->transfer_buffer == NULL)
1208                                 goto initfail;
1209                         usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
1210                                 usb_rcvbulkpipe(usb->usbdev, 8),
1211                                 usb->audio_urbs[i]->transfer_buffer, 4096,
1212                                 go7007_usb_read_audio_pipe_complete, go);
1213                 }
1214
1215
1216         go->status = STATUS_ONLINE;
1217         return 0;
1218
1219 initfail:
1220         go->status = STATUS_SHUTDOWN;
1221         return 0;
1222
1223 allocfail:
1224         if (usb->intr_urb) {
1225                 kfree(usb->intr_urb->transfer_buffer);
1226                 usb_free_urb(usb->intr_urb);
1227         }
1228         kfree(usb);
1229         return -ENOMEM;
1230 }
1231
1232 static void go7007_usb_disconnect(struct usb_interface *intf)
1233 {
1234         struct go7007 *go = usb_get_intfdata(intf);
1235         struct go7007_usb *usb = go->hpi_context;
1236         struct urb *vurb, *aurb;
1237         int i;
1238
1239         go->status = STATUS_SHUTDOWN;
1240         usb_kill_urb(usb->intr_urb);
1241
1242         /* Free USB-related structs */
1243         for (i = 0; i < 8; ++i) {
1244                 vurb = usb->video_urbs[i];
1245                 if (vurb) {
1246                         usb_kill_urb(vurb);
1247                         if (vurb->transfer_buffer)
1248                                 kfree(vurb->transfer_buffer);
1249                         usb_free_urb(vurb);
1250                 }
1251                 aurb = usb->audio_urbs[i];
1252                 if (aurb) {
1253                         usb_kill_urb(aurb);
1254                         if (aurb->transfer_buffer)
1255                                 kfree(aurb->transfer_buffer);
1256                         usb_free_urb(aurb);
1257                 }
1258         }
1259         kfree(usb->intr_urb->transfer_buffer);
1260         usb_free_urb(usb->intr_urb);
1261
1262         kfree(go->hpi_context);
1263
1264         go7007_remove(go);
1265 }
1266
1267 static struct usb_driver go7007_usb_driver = {
1268         .name           = "go7007",
1269         .probe          = go7007_usb_probe,
1270         .disconnect     = go7007_usb_disconnect,
1271         .id_table       = go7007_usb_id_table,
1272 };
1273
1274 static int __init go7007_usb_init(void)
1275 {
1276         return usb_register(&go7007_usb_driver);
1277 }
1278
1279 static void __exit go7007_usb_cleanup(void)
1280 {
1281         usb_deregister(&go7007_usb_driver);
1282 }
1283
1284 module_init(go7007_usb_init);
1285 module_exit(go7007_usb_cleanup);
1286
1287 MODULE_LICENSE("GPL v2");