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                                 .id     = I2C_DRIVERID_WIS_SAA7115,
  95                                 .addr   = 0x20,
  96                         },
  97                 },
  98                 .num_inputs      = 2,
  99                 .inputs          = {
 100                         {
 101                                 .video_input    = 0,
 102                                 .name           = "Composite",
 103                         },
 104                         {
 105                                 .video_input    = 9,
 106                                 .name           = "S-Video",
 107                         },
 108                 },
 109         },
 110 };
 111
 112 static struct go7007_usb_board board_matrix_reload = {
 113         .flags          = GO7007_USB_EZUSB,
 114         .main_info      = {
 115                 .firmware        = "go7007tv.bin",
 116                 .flags           = GO7007_BOARD_HAS_AUDIO |
 117                                         GO7007_BOARD_USE_ONBOARD_I2C,
 118                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 119                                         GO7007_AUDIO_I2S_MASTER |
 120                                         GO7007_AUDIO_WORD_16,
 121                 .audio_rate      = 48000,
 122                 .audio_bclk_div  = 8,
 123                 .audio_main_div  = 2,
 124                 .hpi_buffer_cap  = 7,
 125                 .sensor_flags    = GO7007_SENSOR_656 |
 126                                         GO7007_SENSOR_TV,
 127                 .num_i2c_devs    = 1,
 128                 .i2c_devs        = {
 129                         {
 130                                 .id     = I2C_DRIVERID_WIS_SAA7113,
 131                                 .addr   = 0x25,
 132                         },
 133                 },
 134                 .num_inputs      = 2,
 135                 .inputs          = {
 136                         {
 137                                 .video_input    = 0,
 138                                 .name           = "Composite",
 139                         },
 140                         {
 141                                 .video_input    = 9,
 142                                 .name           = "S-Video",
 143                         },
 144                 },
 145         },
 146 };
 147
 148 static struct go7007_usb_board board_star_trek = {
 149         .flags          = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
 150         .main_info      = {
 151                 .firmware        = "go7007tv.bin",
 152                 .flags           = GO7007_BOARD_HAS_AUDIO, /* |
 153                                         GO7007_BOARD_HAS_TUNER, */
 154                 .sensor_flags    = GO7007_SENSOR_656 |
 155                                         GO7007_SENSOR_VALID_ENABLE |
 156                                         GO7007_SENSOR_TV |
 157                                         GO7007_SENSOR_VBI |
 158                                         GO7007_SENSOR_SCALING,
 159                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 160                                         GO7007_AUDIO_WORD_16,
 161                 .audio_bclk_div  = 8,
 162                 .audio_main_div  = 2,
 163                 .hpi_buffer_cap  = 7,
 164                 .num_i2c_devs    = 1,
 165                 .i2c_devs        = {
 166                         {
 167                                 .id     = I2C_DRIVERID_WIS_SAA7115,
 168                                 .addr   = 0x20,
 169                         },
 170                 },
 171                 .num_inputs      = 2,
 172                 .inputs          = {
 173                         {
 174                                 .video_input    = 1,
 175                         /*      .audio_input    = AUDIO_EXTERN, */
 176                                 .name           = "Composite",
 177                         },
 178                         {
 179                                 .video_input    = 8,
 180                         /*      .audio_input    = AUDIO_EXTERN, */
 181                                 .name           = "S-Video",
 182                         },
 183                 /*      {
 184                  *              .video_input    = 3,
 185                  *              .audio_input    = AUDIO_TUNER,
 186                  *              .name           = "Tuner",
 187                  *      },
 188                  */
 189                 },
 190         },
 191 };
 192
 193 static struct go7007_usb_board board_px_tv402u = {
 194         .flags          = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
 195         .main_info      = {
 196                 .firmware        = "go7007tv.bin",
 197                 .flags           = GO7007_BOARD_HAS_AUDIO |
 198                                         GO7007_BOARD_HAS_TUNER,
 199                 .sensor_flags    = GO7007_SENSOR_656 |
 200                                         GO7007_SENSOR_VALID_ENABLE |
 201                                         GO7007_SENSOR_TV |
 202                                         GO7007_SENSOR_VBI |
 203                                         GO7007_SENSOR_SCALING,
 204                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 205                                         GO7007_AUDIO_WORD_16,
 206                 .audio_bclk_div  = 8,
 207                 .audio_main_div  = 2,
 208                 .hpi_buffer_cap  = 7,
 209                 .num_i2c_devs    = 3,
 210                 .i2c_devs        = {
 211                         {
 212                                 .id     = I2C_DRIVERID_WIS_SAA7115,
 213                                 .addr   = 0x20,
 214                         },
 215                         {
 216                                 .id     = I2C_DRIVERID_WIS_UDA1342,
 217                                 .addr   = 0x1a,
 218                         },
 219                         {
 220                                 .id     = I2C_DRIVERID_WIS_SONY_TUNER,
 221                                 .addr   = 0x60,
 222                         },
 223                 },
 224                 .num_inputs      = 3,
 225                 .inputs          = {
 226                         {
 227                                 .video_input    = 1,
 228                                 .audio_input    = TVAUDIO_INPUT_EXTERN,
 229                                 .name           = "Composite",
 230                         },
 231                         {
 232                                 .video_input    = 8,
 233                                 .audio_input    = TVAUDIO_INPUT_EXTERN,
 234                                 .name           = "S-Video",
 235                         },
 236                         {
 237                                 .video_input    = 3,
 238                                 .audio_input    = TVAUDIO_INPUT_TUNER,
 239                                 .name           = "Tuner",
 240                         },
 241                 },
 242         },
 243 };
 244
 245 static struct go7007_usb_board board_xmen = {
 246         .flags          = 0,
 247         .main_info      = {
 248                 .firmware         = "go7007tv.bin",
 249                 .flags            = GO7007_BOARD_USE_ONBOARD_I2C,
 250                 .hpi_buffer_cap   = 0,
 251                 .sensor_flags     = GO7007_SENSOR_VREF_POLAR,
 252                 .sensor_width     = 320,
 253                 .sensor_height    = 240,
 254                 .sensor_framerate = 30030,
 255                 .audio_flags      = GO7007_AUDIO_ONE_CHANNEL |
 256                                         GO7007_AUDIO_I2S_MODE_3 |
 257                                         GO7007_AUDIO_WORD_14 |
 258                                         GO7007_AUDIO_I2S_MASTER |
 259                                         GO7007_AUDIO_BCLK_POLAR |
 260                                         GO7007_AUDIO_OKI_MODE,
 261                 .audio_rate       = 8000,
 262                 .audio_bclk_div   = 48,
 263                 .audio_main_div   = 1,
 264                 .num_i2c_devs     = 1,
 265                 .i2c_devs         = {
 266                         {
 267                                 .id     = I2C_DRIVERID_WIS_OV7640,
 268                                 .addr   = 0x21,
 269                         },
 270                 },
 271                 .num_inputs       = 1,
 272                 .inputs           = {
 273                         {
 274                                 .name           = "Camera",
 275                         },
 276                 },
 277         },
 278 };
 279
 280 static struct go7007_usb_board board_matrix_revolution = {
 281         .flags          = GO7007_USB_EZUSB,
 282         .main_info      = {
 283                 .firmware        = "go7007tv.bin",
 284                 .flags           = GO7007_BOARD_HAS_AUDIO |
 285                                         GO7007_BOARD_USE_ONBOARD_I2C,
 286                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 287                                         GO7007_AUDIO_I2S_MASTER |
 288                                         GO7007_AUDIO_WORD_16,
 289                 .audio_rate      = 48000,
 290                 .audio_bclk_div  = 8,
 291                 .audio_main_div  = 2,
 292                 .hpi_buffer_cap  = 7,
 293                 .sensor_flags    = GO7007_SENSOR_656 |
 294                                         GO7007_SENSOR_TV |
 295                                         GO7007_SENSOR_VBI,
 296                 .num_i2c_devs    = 1,
 297                 .i2c_devs        = {
 298                         {
 299                                 .id     = I2C_DRIVERID_WIS_TW9903,
 300                                 .addr   = 0x44,
 301                         },
 302                 },
 303                 .num_inputs      = 2,
 304                 .inputs          = {
 305                         {
 306                                 .video_input    = 2,
 307                                 .name           = "Composite",
 308                         },
 309                         {
 310                                 .video_input    = 8,
 311                                 .name           = "S-Video",
 312                         },
 313                 },
 314         },
 315 };
 316
 317 static struct go7007_usb_board board_lifeview_lr192 = {
 318         .flags          = GO7007_USB_EZUSB,
 319         .main_info      = {
 320                 .firmware        = "go7007tv.bin",
 321                 .flags           = GO7007_BOARD_HAS_AUDIO |
 322                                         GO7007_BOARD_USE_ONBOARD_I2C,
 323                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 324                                         GO7007_AUDIO_WORD_16,
 325                 .audio_rate      = 48000,
 326                 .audio_bclk_div  = 8,
 327                 .audio_main_div  = 2,
 328                 .hpi_buffer_cap  = 7,
 329                 .sensor_flags    = GO7007_SENSOR_656 |
 330                                         GO7007_SENSOR_VALID_ENABLE |
 331                                         GO7007_SENSOR_TV |
 332                                         GO7007_SENSOR_VBI |
 333                                         GO7007_SENSOR_SCALING,
 334                 .num_i2c_devs    = 0,
 335                 .num_inputs      = 1,
 336                 .inputs          = {
 337                         {
 338                                 .video_input    = 0,
 339                                 .name           = "Composite",
 340                         },
 341                 },
 342         },
 343 };
 344
 345 static struct go7007_usb_board board_endura = {
 346         .flags          = 0,
 347         .main_info      = {
 348                 .firmware        = "go7007tv.bin",
 349                 .flags           = 0,
 350                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 351                                         GO7007_AUDIO_I2S_MASTER |
 352                                         GO7007_AUDIO_WORD_16,
 353                 .audio_rate      = 8000,
 354                 .audio_bclk_div  = 48,
 355                 .audio_main_div  = 8,
 356                 .hpi_buffer_cap  = 0,
 357                 .sensor_flags    = GO7007_SENSOR_656 |
 358                                         GO7007_SENSOR_TV,
 359                 .sensor_h_offset = 8,
 360                 .num_i2c_devs    = 0,
 361                 .num_inputs      = 1,
 362                 .inputs          = {
 363                         {
 364                                 .name           = "Camera",
 365                         },
 366                 },
 367         },
 368 };
 369
 370 static struct go7007_usb_board board_adlink_mpg24 = {
 371         .flags          = 0,
 372         .main_info      = {
 373                 .firmware        = "go7007tv.bin",
 374                 .flags           = GO7007_BOARD_USE_ONBOARD_I2C,
 375                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 376                                         GO7007_AUDIO_I2S_MASTER |
 377                                         GO7007_AUDIO_WORD_16,
 378                 .audio_rate      = 48000,
 379                 .audio_bclk_div  = 8,
 380                 .audio_main_div  = 2,
 381                 .hpi_buffer_cap  = 0,
 382                 .sensor_flags    = GO7007_SENSOR_656 |
 383                                         GO7007_SENSOR_TV |
 384                                         GO7007_SENSOR_VBI,
 385                 .num_i2c_devs    = 1,
 386                 .i2c_devs        = {
 387                         {
 388                                 .id     = I2C_DRIVERID_WIS_TW2804,
 389                                 .addr   = 0x00, /* yes, really */
 390                         },
 391                 },
 392                 .num_inputs      = 1,
 393                 .inputs          = {
 394                         {
 395                                 .name           = "Composite",
 396                         },
 397                 },
 398         },
 399 };
 400
 401 static struct go7007_usb_board board_sensoray_2250 = {
 402         .flags          = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
 403         .main_info      = {
 404                 .firmware        = "go7007tv.bin",
 405                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 406                                         GO7007_AUDIO_I2S_MASTER |
 407                                         GO7007_AUDIO_WORD_16,
 408                 .flags           = GO7007_BOARD_HAS_AUDIO,
 409                 .audio_rate      = 48000,
 410                 .audio_bclk_div  = 8,
 411                 .audio_main_div  = 2,
 412                 .hpi_buffer_cap  = 7,
 413                 .sensor_flags    = GO7007_SENSOR_656 |
 414                                         GO7007_SENSOR_TV,
 415                 .num_i2c_devs    = 1,
 416                 .i2c_devs        = {
 417                         {
 418                                 .id     = I2C_DRIVERID_S2250,
 419                                 .addr   = 0x34,
 420                         },
 421                 },
 422                 .num_inputs      = 2,
 423                 .inputs          = {
 424                         {
 425                                 .video_input    = 0,
 426                                 .name           = "Composite",
 427                         },
 428                         {
 429                                 .video_input    = 1,
 430                                 .name           = "S-Video",
 431                         },
 432                 },
 433         },
 434 };
 435
 436 static struct usb_device_id go7007_usb_id_table[] = {
 437         {
 438                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 439                                         USB_DEVICE_ID_MATCH_INT_INFO,
 440                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 441                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 442                 .bcdDevice_lo   = 0x200,   /* Revision number of XMen */
 443                 .bcdDevice_hi   = 0x200,
 444                 .bInterfaceClass        = 255,
 445                 .bInterfaceSubClass     = 0,
 446                 .bInterfaceProtocol     = 255,
 447                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN,
 448         },
 449         {
 450                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 451                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 452                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 453                 .bcdDevice_lo   = 0x202,   /* Revision number of Matrix II */
 454                 .bcdDevice_hi   = 0x202,
 455                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
 456         },
 457         {
 458                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 459                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 460                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 461                 .bcdDevice_lo   = 0x204,   /* Revision number of Matrix */
 462                 .bcdDevice_hi   = 0x204,   /*     Reloaded */
 463                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
 464         },
 465         {
 466                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 467                                         USB_DEVICE_ID_MATCH_INT_INFO,
 468                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 469                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 470                 .bcdDevice_lo   = 0x205,   /* Revision number of XMen-II */
 471                 .bcdDevice_hi   = 0x205,
 472                 .bInterfaceClass        = 255,
 473                 .bInterfaceSubClass     = 0,
 474                 .bInterfaceProtocol     = 255,
 475                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
 476         },
 477         {
 478                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 479                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 480                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 481                 .bcdDevice_lo   = 0x208,   /* Revision number of Star Trek */
 482                 .bcdDevice_hi   = 0x208,
 483                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
 484         },
 485         {
 486                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 487                                         USB_DEVICE_ID_MATCH_INT_INFO,
 488                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 489                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 490                 .bcdDevice_lo   = 0x209,   /* Revision number of XMen-III */
 491                 .bcdDevice_hi   = 0x209,
 492                 .bInterfaceClass        = 255,
 493                 .bInterfaceSubClass     = 0,
 494                 .bInterfaceProtocol     = 255,
 495                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
 496         },
 497         {
 498                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 499                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 500                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 501                 .bcdDevice_lo   = 0x210,   /* Revision number of Matrix */
 502                 .bcdDevice_hi   = 0x210,   /*     Revolution */
 503                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
 504         },
 505         {
 506                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 507                 .idVendor       = 0x093b,  /* Vendor ID of Plextor */
 508                 .idProduct      = 0xa102,  /* Product ID of M402U */
 509                 .bcdDevice_lo   = 0x1,     /* revision number of Blueberry */
 510                 .bcdDevice_hi   = 0x1,
 511                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
 512         },
 513         {
 514                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 515                 .idVendor       = 0x093b,  /* Vendor ID of Plextor */
 516                 .idProduct      = 0xa104,  /* Product ID of TV402U */
 517                 .bcdDevice_lo   = 0x1,
 518                 .bcdDevice_hi   = 0x1,
 519                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_PX_TV402U_ANY,
 520         },
 521         {
 522                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 523                 .idVendor       = 0x10fd,  /* Vendor ID of Anubis Electronics */
 524                 .idProduct      = 0xde00,  /* Product ID of Lifeview LR192 */
 525                 .bcdDevice_lo   = 0x1,
 526                 .bcdDevice_hi   = 0x1,
 527                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
 528         },
 529         {
 530                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 531                 .idVendor       = 0x1943,  /* Vendor ID Sensoray */
 532                 .idProduct      = 0x2250,  /* Product ID of 2250/2251 */
 533                 .bcdDevice_lo   = 0x1,
 534                 .bcdDevice_hi   = 0x1,
 535                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
 536         },
 537         { }                                     /* Terminating entry */
 538 };
 539
 540 MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
 541
 542 /********************* Driver for EZ-USB HPI interface *********************/
 543
 544 static int go7007_usb_vendor_request(struct go7007 *go, int request,
 545                 int value, int index, void *transfer_buffer, int length, int in)
 546 {
 547         struct go7007_usb *usb = go->hpi_context;
 548         int timeout = 5000;
 549
 550         if (in) {
 551                 return usb_control_msg(usb->usbdev,
 552                                 usb_rcvctrlpipe(usb->usbdev, 0), request,
 553                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 554                                 value, index, transfer_buffer, length, timeout);
 555         } else {
 556                 return usb_control_msg(usb->usbdev,
 557                                 usb_sndctrlpipe(usb->usbdev, 0), request,
 558                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 559                                 value, index, transfer_buffer, length, timeout);
 560         }
 561 }
 562
 563 static int go7007_usb_interface_reset(struct go7007 *go)
 564 {
 565         struct go7007_usb *usb = go->hpi_context;
 566         u16 intr_val, intr_data;
 567
 568         /* Reset encoder */
 569         if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
 570                 return -1;
 571         msleep(100);
 572
 573         if (usb->board->flags & GO7007_USB_EZUSB) {
 574                 /* Reset buffer in EZ-USB */
 575 #ifdef GO7007_USB_DEBUG
 576                 printk(KERN_DEBUG "go7007-usb: resetting EZ-USB buffers\n");
 577 #endif
 578                 if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
 579                     go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
 580                         return -1;
 581
 582                 /* Reset encoder again */
 583                 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
 584                         return -1;
 585                 msleep(100);
 586         }
 587
 588         /* Wait for an interrupt to indicate successful hardware reset */
 589         if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
 590                         (intr_val & ~0x1) != 0x55aa) {
 591                 printk(KERN_ERR
 592                         "go7007-usb: unable to reset the USB interface\n");
 593                 return -1;
 594         }
 595         return 0;
 596 }
 597
 598 static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
 599                                                 int addr, int data)
 600 {
 601         struct go7007_usb *usb = go->hpi_context;
 602         int i, r;
 603         u16 status_reg;
 604         int timeout = 500;
 605
 606 #ifdef GO7007_USB_DEBUG
 607         printk(KERN_DEBUG
 608                 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
 609 #endif
 610
 611         for (i = 0; i < 100; ++i) {
 612                 r = usb_control_msg(usb->usbdev,
 613                                 usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
 614                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 615                                 0, HPI_STATUS_ADDR, &status_reg,
 616                                 sizeof(status_reg), timeout);
 617                 if (r < 0)
 618                         goto write_int_error;
 619                 __le16_to_cpus(&status_reg);
 620                 if (!(status_reg & 0x0010))
 621                         break;
 622                 msleep(10);
 623         }
 624         if (i == 100) {
 625                 printk(KERN_ERR
 626                         "go7007-usb: device is hung, status reg = 0x%04x\n",
 627                         status_reg);
 628                 return -1;
 629         }
 630         r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
 631                         USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
 632                         INT_PARAM_ADDR, NULL, 0, timeout);
 633         if (r < 0)
 634                 goto write_int_error;
 635         r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
 636                         0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
 637                         INT_INDEX_ADDR, NULL, 0, timeout);
 638         if (r < 0)
 639                 goto write_int_error;
 640         return 0;
 641
 642 write_int_error:
 643         printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
 644         return r;
 645 }
 646
 647 static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
 648                                                 int addr, int data)
 649 {
 650         struct go7007_usb *usb = go->hpi_context;
 651         u8 *tbuf;
 652         int r;
 653         int timeout = 500;
 654
 655 #ifdef GO7007_USB_DEBUG
 656         printk(KERN_DEBUG
 657                 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
 658 #endif
 659
 660         tbuf = kmalloc(8, GFP_KERNEL);
 661         if (tbuf == NULL)
 662                 return -ENOMEM;
 663         memset(tbuf, 0, 8);
 664         tbuf[0] = data & 0xff;
 665         tbuf[1] = data >> 8;
 666         tbuf[2] = addr & 0xff;
 667         tbuf[3] = addr >> 8;
 668         r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
 669                         USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
 670                         0xf0f0, tbuf, 8, timeout);
 671         kfree(tbuf);
 672         if (r < 0) {
 673                 printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
 674                 return r;
 675         }
 676         return 0;
 677 }
 678
 679 static void go7007_usb_readinterrupt_complete(struct urb *urb)
 680 {
 681         struct go7007 *go = (struct go7007 *)urb->context;
 682         u16 *regs = (u16 *)urb->transfer_buffer;
 683         int status = urb->status;
 684
 685         if (status) {
 686                 if (status != -ESHUTDOWN &&
 687                                 go->status != STATUS_SHUTDOWN) {
 688                         printk(KERN_ERR
 689                                 "go7007-usb: error in read interrupt: %d\n",
 690                                 urb->status);
 691                 } else {
 692                         wake_up(&go->interrupt_waitq);
 693                         return;
 694                 }
 695         } else if (urb->actual_length != urb->transfer_buffer_length) {
 696                 printk(KERN_ERR "go7007-usb: short read in interrupt pipe!\n");
 697         } else {
 698                 go->interrupt_available = 1;
 699                 go->interrupt_data = __le16_to_cpu(regs[0]);
 700                 go->interrupt_value = __le16_to_cpu(regs[1]);
 701 #ifdef GO7007_USB_DEBUG
 702                 printk(KERN_DEBUG "go7007-usb: ReadInterrupt: %04x %04x\n",
 703                                 go->interrupt_value, go->interrupt_data);
 704 #endif
 705         }
 706
 707         wake_up(&go->interrupt_waitq);
 708 }
 709
 710 static int go7007_usb_read_interrupt(struct go7007 *go)
 711 {
 712         struct go7007_usb *usb = go->hpi_context;
 713         int r;
 714
 715         r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
 716         if (r < 0) {
 717                 printk(KERN_ERR
 718                         "go7007-usb: unable to submit interrupt urb: %d\n", r);
 719                 return r;
 720         }
 721         return 0;
 722 }
 723
 724 static void go7007_usb_read_video_pipe_complete(struct urb *urb)
 725 {
 726         struct go7007 *go = (struct go7007 *)urb->context;
 727         int r, status = urb-> status;
 728
 729         if (!go->streaming) {
 730                 wake_up_interruptible(&go->frame_waitq);
 731                 return;
 732         }
 733         if (status) {
 734                 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", status);
 735                 return;
 736         }
 737         if (urb->actual_length != urb->transfer_buffer_length) {
 738                 printk(KERN_ERR "go7007-usb: short read in video pipe!\n");
 739                 return;
 740         }
 741         go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
 742         r = usb_submit_urb(urb, GFP_ATOMIC);
 743         if (r < 0)
 744                 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", r);
 745 }
 746
 747 static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
 748 {
 749         struct go7007 *go = (struct go7007 *)urb->context;
 750         int r, status = urb->status;
 751
 752         if (!go->streaming)
 753                 return;
 754         if (status) {
 755                 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", status);
 756                 return;
 757         }
 758         if (urb->actual_length != urb->transfer_buffer_length) {
 759                 printk(KERN_ERR "go7007-usb: short read in audio pipe!\n");
 760                 return;
 761         }
 762         if (go->audio_deliver != NULL)
 763                 go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
 764         r = usb_submit_urb(urb, GFP_ATOMIC);
 765         if (r < 0)
 766                 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", r);
 767 }
 768
 769 static int go7007_usb_stream_start(struct go7007 *go)
 770 {
 771         struct go7007_usb *usb = go->hpi_context;
 772         int i, r;
 773
 774         for (i = 0; i < 8; ++i) {
 775                 r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
 776                 if (r < 0) {
 777                         printk(KERN_ERR "go7007-usb: error submitting video "
 778                                         "urb %d: %d\n", i, r);
 779                         goto video_submit_failed;
 780                 }
 781         }
 782         if (!go->audio_enabled)
 783                 return 0;
 784
 785         for (i = 0; i < 8; ++i) {
 786                 r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
 787                 if (r < 0) {
 788                         printk(KERN_ERR "go7007-usb: error submitting audio "
 789                                         "urb %d: %d\n", i, r);
 790                         goto audio_submit_failed;
 791                 }
 792         }
 793         return 0;
 794
 795 audio_submit_failed:
 796         for (i = 0; i < 7; ++i)
 797                 usb_kill_urb(usb->audio_urbs[i]);
 798 video_submit_failed:
 799         for (i = 0; i < 8; ++i)
 800                 usb_kill_urb(usb->video_urbs[i]);
 801         return -1;
 802 }
 803
 804 static int go7007_usb_stream_stop(struct go7007 *go)
 805 {
 806         struct go7007_usb *usb = go->hpi_context;
 807         int i;
 808
 809         if (go->status == STATUS_SHUTDOWN)
 810                 return 0;
 811         for (i = 0; i < 8; ++i)
 812                 usb_kill_urb(usb->video_urbs[i]);
 813         if (go->audio_enabled)
 814                 for (i = 0; i < 8; ++i)
 815                         usb_kill_urb(usb->audio_urbs[i]);
 816         return 0;
 817 }
 818
 819 static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
 820 {
 821         struct go7007_usb *usb = go->hpi_context;
 822         int transferred, pipe;
 823         int timeout = 500;
 824
 825 #ifdef GO7007_USB_DEBUG
 826         printk(KERN_DEBUG "go7007-usb: DownloadBuffer sending %d bytes\n", len);
 827 #endif
 828
 829         if (usb->board->flags & GO7007_USB_EZUSB)
 830                 pipe = usb_sndbulkpipe(usb->usbdev, 2);
 831         else
 832                 pipe = usb_sndbulkpipe(usb->usbdev, 3);
 833
 834         return usb_bulk_msg(usb->usbdev, pipe, data, len,
 835                                         &transferred, timeout);
 836 }
 837
 838 static struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
 839         .interface_reset        = go7007_usb_interface_reset,
 840         .write_interrupt        = go7007_usb_ezusb_write_interrupt,
 841         .read_interrupt         = go7007_usb_read_interrupt,
 842         .stream_start           = go7007_usb_stream_start,
 843         .stream_stop            = go7007_usb_stream_stop,
 844         .send_firmware          = go7007_usb_send_firmware,
 845 };
 846
 847 static struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
 848         .interface_reset        = go7007_usb_interface_reset,
 849         .write_interrupt        = go7007_usb_onboard_write_interrupt,
 850         .read_interrupt         = go7007_usb_read_interrupt,
 851         .stream_start           = go7007_usb_stream_start,
 852         .stream_stop            = go7007_usb_stream_stop,
 853         .send_firmware          = go7007_usb_send_firmware,
 854 };
 855
 856 /********************* Driver for EZ-USB I2C adapter *********************/
 857
 858 static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
 859                                         struct i2c_msg msgs[], int num)
 860 {
 861         struct go7007 *go = i2c_get_adapdata(adapter);
 862         struct go7007_usb *usb = go->hpi_context;
 863         u8 buf[16];
 864         int buf_len, i;
 865         int ret = -1;
 866
 867         if (go->status == STATUS_SHUTDOWN)
 868                 return -1;
 869
 870         down(&usb->i2c_lock);
 871
 872         for (i = 0; i < num; ++i) {
 873                 /* The hardware command is "write some bytes then read some
 874                  * bytes", so we try to coalesce a write followed by a read
 875                  * into a single USB transaction */
 876                 if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
 877                                 !(msgs[i].flags & I2C_M_RD) &&
 878                                 (msgs[i + 1].flags & I2C_M_RD)) {
 879 #ifdef GO7007_I2C_DEBUG
 880                         printk(KERN_DEBUG "go7007-usb: i2c write/read %d/%d "
 881                                         "bytes on %02x\n", msgs[i].len,
 882                                         msgs[i + 1].len, msgs[i].addr);
 883 #endif
 884                         buf[0] = 0x01;
 885                         buf[1] = msgs[i].len + 1;
 886                         buf[2] = msgs[i].addr << 1;
 887                         memcpy(&buf[3], msgs[i].buf, msgs[i].len);
 888                         buf_len = msgs[i].len + 3;
 889                         buf[buf_len++] = msgs[++i].len;
 890                 } else if (msgs[i].flags & I2C_M_RD) {
 891 #ifdef GO7007_I2C_DEBUG
 892                         printk(KERN_DEBUG "go7007-usb: i2c read %d "
 893                                         "bytes on %02x\n", msgs[i].len,
 894                                         msgs[i].addr);
 895 #endif
 896                         buf[0] = 0x01;
 897                         buf[1] = 1;
 898                         buf[2] = msgs[i].addr << 1;
 899                         buf[3] = msgs[i].len;
 900                         buf_len = 4;
 901                 } else {
 902 #ifdef GO7007_I2C_DEBUG
 903                         printk(KERN_DEBUG "go7007-usb: i2c write %d "
 904                                         "bytes on %02x\n", msgs[i].len,
 905                                         msgs[i].addr);
 906 #endif
 907                         buf[0] = 0x00;
 908                         buf[1] = msgs[i].len + 1;
 909                         buf[2] = msgs[i].addr << 1;
 910                         memcpy(&buf[3], msgs[i].buf, msgs[i].len);
 911                         buf_len = msgs[i].len + 3;
 912                         buf[buf_len++] = 0;
 913                 }
 914                 if (go7007_usb_vendor_request(go, 0x24, 0, 0,
 915                                                 buf, buf_len, 0) < 0)
 916                         goto i2c_done;
 917                 if (msgs[i].flags & I2C_M_RD) {
 918                         memset(buf, 0, sizeof(buf));
 919                         if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
 920                                                 msgs[i].len + 1, 1) < 0)
 921                                 goto i2c_done;
 922                         memcpy(msgs[i].buf, buf + 1, msgs[i].len);
 923                 }
 924         }
 925         ret = 0;
 926
 927 i2c_done:
 928         up(&usb->i2c_lock);
 929         return ret;
 930 }
 931
 932 static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
 933 {
 934         /* No errors are reported by the hardware, so we don't bother
 935          * supporting quick writes to avoid confusing probing */
 936         return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
 937 }
 938
 939 static struct i2c_algorithm go7007_usb_algo = {
 940         .master_xfer    = go7007_usb_i2c_master_xfer,
 941         .functionality  = go7007_usb_functionality,
 942 };
 943
 944 static struct i2c_adapter go7007_usb_adap_templ = {
 945         .owner                  = THIS_MODULE,
 946         .class                  = I2C_CLASS_TV_ANALOG,
 947         .name                   = "WIS GO7007SB EZ-USB",
 948         .id                     = I2C_ALGO_GO7007_USB,
 949         .algo                   = &go7007_usb_algo,
 950 };
 951
 952 /********************* USB add/remove functions *********************/
 953
 954 static int go7007_usb_probe(struct usb_interface *intf,
 955                 const struct usb_device_id *id)
 956 {
 957         struct go7007 *go;
 958         struct go7007_usb *usb;
 959         struct go7007_usb_board *board;
 960         struct usb_device *usbdev = interface_to_usbdev(intf);
 961         char *name;
 962         int video_pipe, i, v_urb_len;
 963
 964         printk(KERN_DEBUG "go7007-usb: probing new GO7007 USB board\n");
 965
 966         switch (id->driver_info) {
 967         case GO7007_BOARDID_MATRIX_II:
 968                 name = "WIS Matrix II or compatible";
 969                 board = &board_matrix_ii;
 970                 break;
 971         case GO7007_BOARDID_MATRIX_RELOAD:
 972                 name = "WIS Matrix Reloaded or compatible";
 973                 board = &board_matrix_reload;
 974                 break;
 975         case GO7007_BOARDID_MATRIX_REV:
 976                 name = "WIS Matrix Revolution or compatible";
 977                 board = &board_matrix_revolution;
 978                 break;
 979         case GO7007_BOARDID_STAR_TREK:
 980                 name = "WIS Star Trek or compatible";
 981                 board = &board_star_trek;
 982                 break;
 983         case GO7007_BOARDID_XMEN:
 984                 name = "WIS XMen or compatible";
 985                 board = &board_xmen;
 986                 break;
 987         case GO7007_BOARDID_XMEN_II:
 988                 name = "WIS XMen II or compatible";
 989                 board = &board_xmen;
 990                 break;
 991         case GO7007_BOARDID_XMEN_III:
 992                 name = "WIS XMen III or compatible";
 993                 board = &board_xmen;
 994                 break;
 995         case GO7007_BOARDID_PX_M402U:
 996                 name = "Plextor PX-M402U";
 997                 board = &board_matrix_ii;
 998                 break;
 999         case GO7007_BOARDID_PX_TV402U_ANY:
1000                 name = "Plextor PX-TV402U (unknown tuner)";
1001                 board = &board_px_tv402u;
1002                 break;
1003         case GO7007_BOARDID_LIFEVIEW_LR192:
1004                 printk(KERN_ERR "go7007-usb: The Lifeview TV Walker Ultra "
1005                                 "is not supported.  Sorry!\n");
1006                 return 0;
1007                 name = "Lifeview TV Walker Ultra";
1008                 board = &board_lifeview_lr192;
1009                 break;
1010         case GO7007_BOARDID_SENSORAY_2250:
1011                 printk(KERN_INFO "Sensoray 2250 found\n");
1012                 name = "Sensoray 2250/2251\n";
1013                 board = &board_sensoray_2250;
1014                 break;
1015         default:
1016                 printk(KERN_ERR "go7007-usb: unknown board ID %d!\n",
1017                                 (unsigned int)id->driver_info);
1018                 return 0;
1019         }
1020
1021         usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
1022         if (usb == NULL)
1023                 return -ENOMEM;
1024
1025         /* Allocate the URB and buffer for receiving incoming interrupts */
1026         usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1027         if (usb->intr_urb == NULL)
1028                 goto allocfail;
1029         usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL);
1030         if (usb->intr_urb->transfer_buffer == NULL)
1031                 goto allocfail;
1032
1033         go = go7007_alloc(&board->main_info, &intf->dev);
1034         if (go == NULL)
1035                 goto allocfail;
1036         usb->board = board;
1037         usb->usbdev = usbdev;
1038         go->board_id = id->driver_info;
1039         strncpy(go->name, name, sizeof(go->name));
1040         if (board->flags & GO7007_USB_EZUSB)
1041                 go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
1042         else
1043                 go->hpi_ops = &go7007_usb_onboard_hpi_ops;
1044         go->hpi_context = usb;
1045         usb_fill_int_urb(usb->intr_urb, usb->usbdev,
1046                         usb_rcvintpipe(usb->usbdev, 4),
1047                         usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1048                         go7007_usb_readinterrupt_complete, go, 8);
1049         usb_set_intfdata(intf, go);
1050
1051         /* Boot the GO7007 */
1052         if (go7007_boot_encoder(go, go->board_info->flags &
1053                                         GO7007_BOARD_USE_ONBOARD_I2C) < 0)
1054                 goto initfail;
1055
1056         /* Register the EZ-USB I2C adapter, if we're using it */
1057         if (board->flags & GO7007_USB_EZUSB_I2C) {
1058                 memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
1059                                 sizeof(go7007_usb_adap_templ));
1060                 init_MUTEX(&usb->i2c_lock);
1061                 go->i2c_adapter.dev.parent = go->dev;
1062                 i2c_set_adapdata(&go->i2c_adapter, go);
1063                 if (i2c_add_adapter(&go->i2c_adapter) < 0) {
1064                         printk(KERN_ERR
1065                                 "go7007-usb: error: i2c_add_adapter failed\n");
1066                         goto initfail;
1067                 }
1068                 go->i2c_adapter_online = 1;
1069         }
1070
1071         /* Pelco and Adlink reused the XMen and XMen-III vendor and product
1072          * IDs for their own incompatible designs.  We can detect XMen boards
1073          * by probing the sensor, but there is no way to probe the sensors on
1074          * the Pelco and Adlink designs so we default to the Adlink.  If it
1075          * is actually a Pelco, the user must set the assume_endura module
1076          * parameter. */
1077         if ((go->board_id == GO7007_BOARDID_XMEN ||
1078                                 go->board_id == GO7007_BOARDID_XMEN_III) &&
1079                         go->i2c_adapter_online) {
1080                 union i2c_smbus_data data;
1081
1082                 /* Check to see if register 0x0A is 0x76 */
1083                 i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
1084                         I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
1085                 if (data.byte != 0x76) {
1086                         if (assume_endura) {
1087                                 go->board_id = GO7007_BOARDID_ENDURA;
1088                                 usb->board = board = &board_endura;
1089                                 go->board_info = &board->main_info;
1090                                 strncpy(go->name, "Pelco Endura",
1091                                                 sizeof(go->name));
1092                         } else {
1093                                 u16 channel;
1094
1095                                 /* set GPIO5 to be an output, currently low */
1096                                 go7007_write_addr(go, 0x3c82, 0x0000);
1097                                 go7007_write_addr(go, 0x3c80, 0x00df);
1098                                 /* read channel number from GPIO[1:0] */
1099                                 go7007_read_addr(go, 0x3c81, &channel);
1100                                 channel &= 0x3;
1101                                 go->board_id = GO7007_BOARDID_ADLINK_MPG24;
1102                                 usb->board = board = &board_adlink_mpg24;
1103                                 go->board_info = &board->main_info;
1104                                 go->channel_number = channel;
1105                                 snprintf(go->name, sizeof(go->name),
1106                                         "Adlink PCI-MPG24, channel #%d",
1107                                         channel);
1108                         }
1109                 }
1110         }
1111
1112         /* Probe the tuner model on the TV402U */
1113         if (go->board_id == GO7007_BOARDID_PX_TV402U_ANY) {
1114                 u8 data[3];
1115
1116                 /* Board strapping indicates tuner model */
1117                 if (go7007_usb_vendor_request(go, 0x41, 0, 0, data, 3, 1) < 0) {
1118                         printk(KERN_ERR "go7007-usb: GPIO read failed!\n");
1119                         goto initfail;
1120                 }
1121                 switch (data[0] >> 6) {
1122                 case 1:
1123                         go->board_id = GO7007_BOARDID_PX_TV402U_EU;
1124                         go->tuner_type = TUNER_SONY_BTF_PG472Z;
1125                         strncpy(go->name, "Plextor PX-TV402U-EU",
1126                                         sizeof(go->name));
1127                         break;
1128                 case 2:
1129                         go->board_id = GO7007_BOARDID_PX_TV402U_JP;
1130                         go->tuner_type = TUNER_SONY_BTF_PK467Z;
1131                         strncpy(go->name, "Plextor PX-TV402U-JP",
1132                                         sizeof(go->name));
1133                         break;
1134                 case 3:
1135                         go->board_id = GO7007_BOARDID_PX_TV402U_NA;
1136                         go->tuner_type = TUNER_SONY_BTF_PB463Z;
1137                         strncpy(go->name, "Plextor PX-TV402U-NA",
1138                                         sizeof(go->name));
1139                         break;
1140                 default:
1141                         printk(KERN_DEBUG "go7007-usb: unable to detect "
1142                                                 "tuner type!\n");
1143                         break;
1144                 }
1145                 /* Configure tuner mode selection inputs connected
1146                  * to the EZ-USB GPIO output pins */
1147                 if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
1148                                         NULL, 0, 0) < 0) {
1149                         printk(KERN_ERR
1150                                 "go7007-usb: GPIO write failed!\n");
1151                         goto initfail;
1152                 }
1153         }
1154
1155         /* Print a nasty message if the user attempts to use a USB2.0 device in
1156          * a USB1.1 port.  There will be silent corruption of the stream. */
1157         if ((board->flags & GO7007_USB_EZUSB) &&
1158                         usbdev->speed != USB_SPEED_HIGH)
1159                 printk(KERN_ERR "go7007-usb: *** WARNING ***  This device "
1160                                 "must be connected to a USB 2.0 port!  "
1161                                 "Attempting to capture video through a USB 1.1 "
1162                                 "port will result in stream corruption, even "
1163                                 "at low bitrates!\n");
1164
1165         /* Do any final GO7007 initialization, then register the
1166          * V4L2 and ALSA interfaces */
1167         if (go7007_register_encoder(go) < 0)
1168                 goto initfail;
1169
1170         /* Allocate the URBs and buffers for receiving the video stream */
1171         if (board->flags & GO7007_USB_EZUSB) {
1172                 v_urb_len = 1024;
1173                 video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
1174         } else {
1175                 v_urb_len = 512;
1176                 video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
1177         }
1178         for (i = 0; i < 8; ++i) {
1179                 usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1180                 if (usb->video_urbs[i] == NULL)
1181                         goto initfail;
1182                 usb->video_urbs[i]->transfer_buffer =
1183                                                 kmalloc(v_urb_len, GFP_KERNEL);
1184                 if (usb->video_urbs[i]->transfer_buffer == NULL)
1185                         goto initfail;
1186                 usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
1187                                 usb->video_urbs[i]->transfer_buffer, v_urb_len,
1188                                 go7007_usb_read_video_pipe_complete, go);
1189         }
1190
1191         /* Allocate the URBs and buffers for receiving the audio stream */
1192         if ((board->flags & GO7007_USB_EZUSB) && go->audio_enabled)
1193                 for (i = 0; i < 8; ++i) {
1194                         usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1195                         if (usb->audio_urbs[i] == NULL)
1196                                 goto initfail;
1197                         usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
1198                                                                 GFP_KERNEL);
1199                         if (usb->audio_urbs[i]->transfer_buffer == NULL)
1200                                 goto initfail;
1201                         usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
1202                                 usb_rcvbulkpipe(usb->usbdev, 8),
1203                                 usb->audio_urbs[i]->transfer_buffer, 4096,
1204                                 go7007_usb_read_audio_pipe_complete, go);
1205                 }
1206
1207
1208         go->status = STATUS_ONLINE;
1209         return 0;
1210
1211 initfail:
1212         go->status = STATUS_SHUTDOWN;
1213         return 0;
1214
1215 allocfail:
1216         if (usb->intr_urb) {
1217                 kfree(usb->intr_urb->transfer_buffer);
1218                 usb_free_urb(usb->intr_urb);
1219         }
1220         kfree(usb);
1221         return -ENOMEM;
1222 }
1223
1224 static void go7007_usb_disconnect(struct usb_interface *intf)
1225 {
1226         struct go7007 *go = usb_get_intfdata(intf);
1227         struct go7007_usb *usb = go->hpi_context;
1228         struct urb *vurb, *aurb;
1229         int i;
1230
1231         go->status = STATUS_SHUTDOWN;
1232         usb_kill_urb(usb->intr_urb);
1233
1234         /* Free USB-related structs */
1235         for (i = 0; i < 8; ++i) {
1236                 vurb = usb->video_urbs[i];
1237                 if (vurb) {
1238                         usb_kill_urb(vurb);
1239                         if (vurb->transfer_buffer)
1240                                 kfree(vurb->transfer_buffer);
1241                         usb_free_urb(vurb);
1242                 }
1243                 aurb = usb->audio_urbs[i];
1244                 if (aurb) {
1245                         usb_kill_urb(aurb);
1246                         if (aurb->transfer_buffer)
1247                                 kfree(aurb->transfer_buffer);
1248                         usb_free_urb(aurb);
1249                 }
1250         }
1251         kfree(usb->intr_urb->transfer_buffer);
1252         usb_free_urb(usb->intr_urb);
1253
1254         kfree(go->hpi_context);
1255
1256         go7007_remove(go);
1257 }
1258
1259 static struct usb_driver go7007_usb_driver = {
1260         .name           = "go7007",
1261         .probe          = go7007_usb_probe,
1262         .disconnect     = go7007_usb_disconnect,
1263         .id_table       = go7007_usb_id_table,
1264 };
1265
1266 static int __init go7007_usb_init(void)
1267 {
1268         return usb_register(&go7007_usb_driver);
1269 }
1270
1271 static void __exit go7007_usb_cleanup(void)
1272 {
1273         usb_deregister(&go7007_usb_driver);
1274 }
1275
1276 module_init(go7007_usb_init);
1277 module_exit(go7007_usb_cleanup);
1278
1279 MODULE_LICENSE("GPL v2");