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
 684         if (urb->status != 0) {
 685                 if (urb->status != -ESHUTDOWN &&
 686                                 go->status != STATUS_SHUTDOWN) {
 687                         printk(KERN_ERR
 688                                 "go7007-usb: error in read interrupt: %d\n",
 689                                 urb->status);
 690                 } else {
 691                         wake_up(&go->interrupt_waitq);
 692                         return;
 693                 }
 694         } else if (urb->actual_length != urb->transfer_buffer_length) {
 695                 printk(KERN_ERR "go7007-usb: short read in interrupt pipe!\n");
 696         } else {
 697                 go->interrupt_available = 1;
 698                 go->interrupt_data = __le16_to_cpu(regs[0]);
 699                 go->interrupt_value = __le16_to_cpu(regs[1]);
 700 #ifdef GO7007_USB_DEBUG
 701                 printk(KERN_DEBUG "go7007-usb: ReadInterrupt: %04x %04x\n",
 702                                 go->interrupt_value, go->interrupt_data);
 703 #endif
 704         }
 705
 706         wake_up(&go->interrupt_waitq);
 707 }
 708
 709 static int go7007_usb_read_interrupt(struct go7007 *go)
 710 {
 711         struct go7007_usb *usb = go->hpi_context;
 712         int r;
 713
 714         r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
 715         if (r < 0) {
 716                 printk(KERN_ERR
 717                         "go7007-usb: unable to submit interrupt urb: %d\n", r);
 718                 return r;
 719         }
 720         return 0;
 721 }
 722
 723 static void go7007_usb_read_video_pipe_complete(struct urb *urb)
 724 {
 725         struct go7007 *go = (struct go7007 *)urb->context;
 726         int r;
 727
 728         if (!go->streaming) {
 729                 wake_up_interruptible(&go->frame_waitq);
 730                 return;
 731         }
 732         if (urb->status != 0) {
 733                 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n",
 734                                 urb->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;
 751
 752         if (!go->streaming)
 753                 return;
 754         if (urb->status != 0) {
 755                 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n",
 756                                 urb->status);
 757                 return;
 758         }
 759         if (urb->actual_length != urb->transfer_buffer_length) {
 760                 printk(KERN_ERR "go7007-usb: short read in audio pipe!\n");
 761                 return;
 762         }
 763         if (go->audio_deliver != NULL)
 764                 go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
 765         r = usb_submit_urb(urb, GFP_ATOMIC);
 766         if (r < 0)
 767                 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", r);
 768 }
 769
 770 static int go7007_usb_stream_start(struct go7007 *go)
 771 {
 772         struct go7007_usb *usb = go->hpi_context;
 773         int i, r;
 774
 775         for (i = 0; i < 8; ++i) {
 776                 r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
 777                 if (r < 0) {
 778                         printk(KERN_ERR "go7007-usb: error submitting video "
 779                                         "urb %d: %d\n", i, r);
 780                         goto video_submit_failed;
 781                 }
 782         }
 783         if (!go->audio_enabled)
 784                 return 0;
 785
 786         for (i = 0; i < 8; ++i) {
 787                 r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
 788                 if (r < 0) {
 789                         printk(KERN_ERR "go7007-usb: error submitting audio "
 790                                         "urb %d: %d\n", i, r);
 791                         goto audio_submit_failed;
 792                 }
 793         }
 794         return 0;
 795
 796 audio_submit_failed:
 797         for (i = 0; i < 8; ++i)
 798                 usb_kill_urb(usb->audio_urbs[i]);
 799 video_submit_failed:
 800         for (i = 0; i < 8; ++i)
 801                 usb_kill_urb(usb->video_urbs[i]);
 802         return -1;
 803 }
 804
 805 static int go7007_usb_stream_stop(struct go7007 *go)
 806 {
 807         struct go7007_usb *usb = go->hpi_context;
 808         int i;
 809
 810         if (go->status == STATUS_SHUTDOWN)
 811                 return 0;
 812         for (i = 0; i < 8; ++i)
 813                 usb_kill_urb(usb->video_urbs[i]);
 814         if (go->audio_enabled)
 815                 for (i = 0; i < 8; ++i)
 816                         usb_kill_urb(usb->audio_urbs[i]);
 817         return 0;
 818 }
 819
 820 static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
 821 {
 822         struct go7007_usb *usb = go->hpi_context;
 823         int transferred, pipe;
 824         int timeout = 500;
 825
 826 #ifdef GO7007_USB_DEBUG
 827         printk(KERN_DEBUG "go7007-usb: DownloadBuffer sending %d bytes\n", len);
 828 #endif
 829
 830         if (usb->board->flags & GO7007_USB_EZUSB)
 831                 pipe = usb_sndbulkpipe(usb->usbdev, 2);
 832         else
 833                 pipe = usb_sndbulkpipe(usb->usbdev, 3);
 834
 835         return usb_bulk_msg(usb->usbdev, pipe, data, len,
 836                                         &transferred, timeout);
 837 }
 838
 839 static struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
 840         .interface_reset        = go7007_usb_interface_reset,
 841         .write_interrupt        = go7007_usb_ezusb_write_interrupt,
 842         .read_interrupt         = go7007_usb_read_interrupt,
 843         .stream_start           = go7007_usb_stream_start,
 844         .stream_stop            = go7007_usb_stream_stop,
 845         .send_firmware          = go7007_usb_send_firmware,
 846 };
 847
 848 static struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
 849         .interface_reset        = go7007_usb_interface_reset,
 850         .write_interrupt        = go7007_usb_onboard_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 /********************* Driver for EZ-USB I2C adapter *********************/
 858
 859 static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
 860                                         struct i2c_msg msgs[], int num)
 861 {
 862         struct go7007 *go = i2c_get_adapdata(adapter);
 863         struct go7007_usb *usb = go->hpi_context;
 864         u8 buf[16];
 865         int buf_len, i;
 866         int ret = -1;
 867
 868         if (go->status == STATUS_SHUTDOWN)
 869                 return -1;
 870
 871         down(&usb->i2c_lock);
 872
 873         for (i = 0; i < num; ++i) {
 874                 /* The hardware command is "write some bytes then read some
 875                  * bytes", so we try to coalesce a write followed by a read
 876                  * into a single USB transaction */
 877                 if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
 878                                 !(msgs[i].flags & I2C_M_RD) &&
 879                                 (msgs[i + 1].flags & I2C_M_RD)) {
 880 #ifdef GO7007_I2C_DEBUG
 881                         printk(KERN_DEBUG "go7007-usb: i2c write/read %d/%d "
 882                                         "bytes on %02x\n", msgs[i].len,
 883                                         msgs[i + 1].len, msgs[i].addr);
 884 #endif
 885                         buf[0] = 0x01;
 886                         buf[1] = msgs[i].len + 1;
 887                         buf[2] = msgs[i].addr << 1;
 888                         memcpy(&buf[3], msgs[i].buf, msgs[i].len);
 889                         buf_len = msgs[i].len + 3;
 890                         buf[buf_len++] = msgs[++i].len;
 891                 } else if (msgs[i].flags & I2C_M_RD) {
 892 #ifdef GO7007_I2C_DEBUG
 893                         printk(KERN_DEBUG "go7007-usb: i2c read %d "
 894                                         "bytes on %02x\n", msgs[i].len,
 895                                         msgs[i].addr);
 896 #endif
 897                         buf[0] = 0x01;
 898                         buf[1] = 1;
 899                         buf[2] = msgs[i].addr << 1;
 900                         buf[3] = msgs[i].len;
 901                         buf_len = 4;
 902                 } else {
 903 #ifdef GO7007_I2C_DEBUG
 904                         printk(KERN_DEBUG "go7007-usb: i2c write %d "
 905                                         "bytes on %02x\n", msgs[i].len,
 906                                         msgs[i].addr);
 907 #endif
 908                         buf[0] = 0x00;
 909                         buf[1] = msgs[i].len + 1;
 910                         buf[2] = msgs[i].addr << 1;
 911                         memcpy(&buf[3], msgs[i].buf, msgs[i].len);
 912                         buf_len = msgs[i].len + 3;
 913                         buf[buf_len++] = 0;
 914                 }
 915                 if (go7007_usb_vendor_request(go, 0x24, 0, 0,
 916                                                 buf, buf_len, 0) < 0)
 917                         goto i2c_done;
 918                 if (msgs[i].flags & I2C_M_RD) {
 919                         memset(buf, 0, sizeof(buf));
 920                         if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
 921                                                 msgs[i].len + 1, 1) < 0)
 922                                 goto i2c_done;
 923                         memcpy(msgs[i].buf, buf + 1, msgs[i].len);
 924                 }
 925         }
 926         ret = 0;
 927
 928 i2c_done:
 929         up(&usb->i2c_lock);
 930         return ret;
 931 }
 932
 933 static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
 934 {
 935         /* No errors are reported by the hardware, so we don't bother
 936          * supporting quick writes to avoid confusing probing */
 937         return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
 938 }
 939
 940 static struct i2c_algorithm go7007_usb_algo = {
 941         .master_xfer    = go7007_usb_i2c_master_xfer,
 942         .functionality  = go7007_usb_functionality,
 943 };
 944
 945 static struct i2c_adapter go7007_usb_adap_templ = {
 946         .owner                  = THIS_MODULE,
 947         .class                  = I2C_CLASS_TV_ANALOG,
 948         .name                   = "WIS GO7007SB EZ-USB",
 949         .id                     = I2C_ALGO_GO7007_USB,
 950         .algo                   = &go7007_usb_algo,
 951 };
 952
 953 /********************* USB add/remove functions *********************/
 954
 955 static int go7007_usb_probe(struct usb_interface *intf,
 956                 const struct usb_device_id *id)
 957 {
 958         struct go7007 *go;
 959         struct go7007_usb *usb;
 960         struct go7007_usb_board *board;
 961         struct usb_device *usbdev = interface_to_usbdev(intf);
 962         char *name;
 963         int video_pipe, i, v_urb_len;
 964
 965         printk(KERN_DEBUG "go7007-usb: probing new GO7007 USB board\n");
 966
 967         switch (id->driver_info) {
 968         case GO7007_BOARDID_MATRIX_II:
 969                 name = "WIS Matrix II or compatible";
 970                 board = &board_matrix_ii;
 971                 break;
 972         case GO7007_BOARDID_MATRIX_RELOAD:
 973                 name = "WIS Matrix Reloaded or compatible";
 974                 board = &board_matrix_reload;
 975                 break;
 976         case GO7007_BOARDID_MATRIX_REV:
 977                 name = "WIS Matrix Revolution or compatible";
 978                 board = &board_matrix_revolution;
 979                 break;
 980         case GO7007_BOARDID_STAR_TREK:
 981                 name = "WIS Star Trek or compatible";
 982                 board = &board_star_trek;
 983                 break;
 984         case GO7007_BOARDID_XMEN:
 985                 name = "WIS XMen or compatible";
 986                 board = &board_xmen;
 987                 break;
 988         case GO7007_BOARDID_XMEN_II:
 989                 name = "WIS XMen II or compatible";
 990                 board = &board_xmen;
 991                 break;
 992         case GO7007_BOARDID_XMEN_III:
 993                 name = "WIS XMen III or compatible";
 994                 board = &board_xmen;
 995                 break;
 996         case GO7007_BOARDID_PX_M402U:
 997                 name = "Plextor PX-M402U";
 998                 board = &board_matrix_ii;
 999                 break;
1000         case GO7007_BOARDID_PX_TV402U_ANY:
1001                 name = "Plextor PX-TV402U (unknown tuner)";
1002                 board = &board_px_tv402u;
1003                 break;
1004         case GO7007_BOARDID_LIFEVIEW_LR192:
1005                 printk(KERN_ERR "go7007-usb: The Lifeview TV Walker Ultra "
1006                                 "is not supported.  Sorry!\n");
1007                 return 0;
1008                 name = "Lifeview TV Walker Ultra";
1009                 board = &board_lifeview_lr192;
1010                 break;
1011         case GO7007_BOARDID_SENSORAY_2250:
1012                 printk(KERN_INFO "Sensoray 2250 found\n");
1013                 name = "Sensoray 2250/2251\n";
1014                 board = &board_sensoray_2250;
1015                 break;
1016         default:
1017                 printk(KERN_ERR "go7007-usb: unknown board ID %d!\n",
1018                                 (unsigned int)id->driver_info);
1019                 return 0;
1020         }
1021
1022         usb = kmalloc(sizeof(struct go7007_usb), GFP_KERNEL);
1023         if (usb == NULL)
1024                 return -ENOMEM;
1025         memset(usb, 0, sizeof(struct go7007_usb));
1026
1027         /* Allocate the URB and buffer for receiving incoming interrupts */
1028         usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1029         if (usb->intr_urb == NULL)
1030                 goto allocfail;
1031         usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL);
1032         if (usb->intr_urb->transfer_buffer == NULL)
1033                 goto allocfail;
1034
1035         go = go7007_alloc(&board->main_info, &intf->dev);
1036         if (go == NULL)
1037                 goto allocfail;
1038         usb->board = board;
1039         usb->usbdev = usbdev;
1040         go->board_id = id->driver_info;
1041         strncpy(go->name, name, sizeof(go->name));
1042         if (board->flags & GO7007_USB_EZUSB)
1043                 go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
1044         else
1045                 go->hpi_ops = &go7007_usb_onboard_hpi_ops;
1046         go->hpi_context = usb;
1047         usb_fill_int_urb(usb->intr_urb, usb->usbdev,
1048                         usb_rcvintpipe(usb->usbdev, 4),
1049                         usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1050                         go7007_usb_readinterrupt_complete, go, 8);
1051         usb_set_intfdata(intf, go);
1052
1053         /* Boot the GO7007 */
1054         if (go7007_boot_encoder(go, go->board_info->flags &
1055                                         GO7007_BOARD_USE_ONBOARD_I2C) < 0)
1056                 goto initfail;
1057
1058         /* Register the EZ-USB I2C adapter, if we're using it */
1059         if (board->flags & GO7007_USB_EZUSB_I2C) {
1060                 memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
1061                                 sizeof(go7007_usb_adap_templ));
1062                 init_MUTEX(&usb->i2c_lock);
1063                 go->i2c_adapter.dev.parent = go->dev;
1064                 i2c_set_adapdata(&go->i2c_adapter, go);
1065                 if (i2c_add_adapter(&go->i2c_adapter) < 0) {
1066                         printk(KERN_ERR
1067                                 "go7007-usb: error: i2c_add_adapter failed\n");
1068                         goto initfail;
1069                 }
1070                 go->i2c_adapter_online = 1;
1071         }
1072
1073         /* Pelco and Adlink reused the XMen and XMen-III vendor and product
1074          * IDs for their own incompatible designs.  We can detect XMen boards
1075          * by probing the sensor, but there is no way to probe the sensors on
1076          * the Pelco and Adlink designs so we default to the Adlink.  If it
1077          * is actually a Pelco, the user must set the assume_endura module
1078          * parameter. */
1079         if ((go->board_id == GO7007_BOARDID_XMEN ||
1080                                 go->board_id == GO7007_BOARDID_XMEN_III) &&
1081                         go->i2c_adapter_online) {
1082                 union i2c_smbus_data data;
1083
1084                 /* Check to see if register 0x0A is 0x76 */
1085                 i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
1086                         I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
1087                 if (data.byte != 0x76) {
1088                         if (assume_endura) {
1089                                 go->board_id = GO7007_BOARDID_ENDURA;
1090                                 usb->board = board = &board_endura;
1091                                 go->board_info = &board->main_info;
1092                                 strncpy(go->name, "Pelco Endura",
1093                                                 sizeof(go->name));
1094                         } else {
1095                                 u16 channel;
1096
1097                                 /* set GPIO5 to be an output, currently low */
1098                                 go7007_write_addr(go, 0x3c82, 0x0000);
1099                                 go7007_write_addr(go, 0x3c80, 0x00df);
1100                                 /* read channel number from GPIO[1:0] */
1101                                 go7007_read_addr(go, 0x3c81, &channel);
1102                                 channel &= 0x3;
1103                                 go->board_id = GO7007_BOARDID_ADLINK_MPG24;
1104                                 usb->board = board = &board_adlink_mpg24;
1105                                 go->board_info = &board->main_info;
1106                                 go->channel_number = channel;
1107                                 snprintf(go->name, sizeof(go->name),
1108                                         "Adlink PCI-MPG24, channel #%d",
1109                                         channel);
1110                         }
1111                 }
1112         }
1113
1114         /* Probe the tuner model on the TV402U */
1115         if (go->board_id == GO7007_BOARDID_PX_TV402U_ANY) {
1116                 u8 data[3];
1117
1118                 /* Board strapping indicates tuner model */
1119                 if (go7007_usb_vendor_request(go, 0x41, 0, 0, data, 3, 1) < 0) {
1120                         printk(KERN_ERR "go7007-usb: GPIO read failed!\n");
1121                         goto initfail;
1122                 }
1123                 switch (data[0] >> 6) {
1124                 case 1:
1125                         go->board_id = GO7007_BOARDID_PX_TV402U_EU;
1126                         go->tuner_type = TUNER_SONY_BTF_PG472Z;
1127                         strncpy(go->name, "Plextor PX-TV402U-EU",
1128                                         sizeof(go->name));
1129                         break;
1130                 case 2:
1131                         go->board_id = GO7007_BOARDID_PX_TV402U_JP;
1132                         go->tuner_type = TUNER_SONY_BTF_PK467Z;
1133                         strncpy(go->name, "Plextor PX-TV402U-JP",
1134                                         sizeof(go->name));
1135                         break;
1136                 case 3:
1137                         go->board_id = GO7007_BOARDID_PX_TV402U_NA;
1138                         go->tuner_type = TUNER_SONY_BTF_PB463Z;
1139                         strncpy(go->name, "Plextor PX-TV402U-NA",
1140                                         sizeof(go->name));
1141                         break;
1142                 default:
1143                         printk(KERN_DEBUG "go7007-usb: unable to detect "
1144                                                 "tuner type!\n");
1145                         break;
1146                 }
1147                 /* Configure tuner mode selection inputs connected
1148                  * to the EZ-USB GPIO output pins */
1149                 if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
1150                                         NULL, 0, 0) < 0) {
1151                         printk(KERN_ERR
1152                                 "go7007-usb: GPIO write failed!\n");
1153                         goto initfail;
1154                 }
1155         }
1156
1157         /* Print a nasty message if the user attempts to use a USB2.0 device in
1158          * a USB1.1 port.  There will be silent corruption of the stream. */
1159         if ((board->flags & GO7007_USB_EZUSB) &&
1160                         usbdev->speed != USB_SPEED_HIGH)
1161                 printk(KERN_ERR "go7007-usb: *** WARNING ***  This device "
1162                                 "must be connected to a USB 2.0 port!  "
1163                                 "Attempting to capture video through a USB 1.1 "
1164                                 "port will result in stream corruption, even "
1165                                 "at low bitrates!\n");
1166
1167         /* Do any final GO7007 initialization, then register the
1168          * V4L2 and ALSA interfaces */
1169         if (go7007_register_encoder(go) < 0)
1170                 goto initfail;
1171
1172         /* Allocate the URBs and buffers for receiving the video stream */
1173         if (board->flags & GO7007_USB_EZUSB) {
1174                 v_urb_len = 1024;
1175                 video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
1176         } else {
1177                 v_urb_len = 512;
1178                 video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
1179         }
1180         for (i = 0; i < 8; ++i) {
1181                 usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1182                 if (usb->video_urbs[i] == NULL)
1183                         goto initfail;
1184                 usb->video_urbs[i]->transfer_buffer =
1185                                                 kmalloc(v_urb_len, GFP_KERNEL);
1186                 if (usb->video_urbs[i]->transfer_buffer == NULL)
1187                         goto initfail;
1188                 usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
1189                                 usb->video_urbs[i]->transfer_buffer, v_urb_len,
1190                                 go7007_usb_read_video_pipe_complete, go);
1191         }
1192
1193         /* Allocate the URBs and buffers for receiving the audio stream */
1194         if ((board->flags & GO7007_USB_EZUSB) && go->audio_enabled)
1195                 for (i = 0; i < 8; ++i) {
1196                         usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1197                         if (usb->audio_urbs[i] == NULL)
1198                                 goto initfail;
1199                         usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
1200                                                                 GFP_KERNEL);
1201                         if (usb->audio_urbs[i]->transfer_buffer == NULL)
1202                                 goto initfail;
1203                         usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
1204                                 usb_rcvbulkpipe(usb->usbdev, 8),
1205                                 usb->audio_urbs[i]->transfer_buffer, 4096,
1206                                 go7007_usb_read_audio_pipe_complete, go);
1207                 }
1208
1209
1210         go->status = STATUS_ONLINE;
1211         return 0;
1212
1213 initfail:
1214         go->status = STATUS_SHUTDOWN;
1215         return 0;
1216
1217 allocfail:
1218         if (usb->intr_urb) {
1219                 kfree(usb->intr_urb->transfer_buffer);
1220                 usb_free_urb(usb->intr_urb);
1221         }
1222         kfree(usb);
1223         return -ENOMEM;
1224 }
1225
1226 static void go7007_usb_disconnect(struct usb_interface *intf)
1227 {
1228         struct go7007 *go = usb_get_intfdata(intf);
1229         struct go7007_usb *usb = go->hpi_context;
1230         int i;
1231
1232         go->status = STATUS_SHUTDOWN;
1233         usb_kill_urb(usb->intr_urb);
1234
1235         /* Free USB-related structs */
1236         for (i = 0; i < 8; ++i) {
1237                 if (usb->video_urbs[i] != NULL) {
1238                         if (usb->video_urbs[i]->transfer_buffer != NULL)
1239                                 kfree(usb->video_urbs[i]->transfer_buffer);
1240                         usb_free_urb(usb->video_urbs[i]);
1241                 }
1242                 if (usb->audio_urbs[i] != NULL) {
1243                         if (usb->audio_urbs[i]->transfer_buffer != NULL)
1244                                 kfree(usb->audio_urbs[i]->transfer_buffer);
1245                         usb_free_urb(usb->audio_urbs[i]);
1246                 }
1247         }
1248         kfree(usb->intr_urb->transfer_buffer);
1249         usb_free_urb(usb->intr_urb);
1250
1251         kfree(go->hpi_context);
1252
1253         go7007_remove(go);
1254 }
1255
1256 static struct usb_driver go7007_usb_driver = {
1257         .name           = "go7007",
1258         .probe          = go7007_usb_probe,
1259         .disconnect     = go7007_usb_disconnect,
1260         .id_table       = go7007_usb_id_table,
1261 };
1262
1263 static int __init go7007_usb_init(void)
1264 {
1265         return usb_register(&go7007_usb_driver);
1266 }
1267
1268 static void __exit go7007_usb_cleanup(void)
1269 {
1270         usb_deregister(&go7007_usb_driver);
1271 }
1272
1273 module_init(go7007_usb_init);
1274 module_exit(go7007_usb_cleanup);
1275
1276 MODULE_LICENSE("GPL v2");