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, "
  37                                 "hardware is a Pelco Endura");
  38
  39 /* #define GO7007_USB_DEBUG */
  40 /* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
  41
  42 #define HPI_STATUS_ADDR 0xFFF4
  43 #define INT_PARAM_ADDR  0xFFF6
  44 #define INT_INDEX_ADDR  0xFFF8
  45
  46 /*
  47  * Pipes on EZ-USB interface:
  48  *      0 snd - Control
  49  *      0 rcv - Control
  50  *      2 snd - Download firmware (control)
  51  *      4 rcv - Read Interrupt (interrupt)
  52  *      6 rcv - Read Video (bulk)
  53  *      8 rcv - Read Audio (bulk)
  54  */
  55
  56 #define GO7007_USB_EZUSB                (1<<0)
  57 #define GO7007_USB_EZUSB_I2C            (1<<1)
  58
  59 struct go7007_usb_board {
  60         unsigned int flags;
  61         struct go7007_board_info main_info;
  62 };
  63
  64 struct go7007_usb {
  65         struct go7007_usb_board *board;
  66         struct mutex i2c_lock;
  67         struct usb_device *usbdev;
  68         struct urb *video_urbs[8];
  69         struct urb *audio_urbs[8];
  70         struct urb *intr_urb;
  71 };
  72
  73 /*********************** Product specification data ***********************/
  74
  75 static struct go7007_usb_board board_matrix_ii = {
  76         .flags          = GO7007_USB_EZUSB,
  77         .main_info      = {
  78                 .firmware        = "go7007tv.bin",
  79                 .flags           = GO7007_BOARD_HAS_AUDIO |
  80                                         GO7007_BOARD_USE_ONBOARD_I2C,
  81                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
  82                                         GO7007_AUDIO_WORD_16,
  83                 .audio_rate      = 48000,
  84                 .audio_bclk_div  = 8,
  85                 .audio_main_div  = 2,
  86                 .hpi_buffer_cap  = 7,
  87                 .sensor_flags    = GO7007_SENSOR_656 |
  88                                         GO7007_SENSOR_VALID_ENABLE |
  89                                         GO7007_SENSOR_TV |
  90                                         GO7007_SENSOR_VBI |
  91                                         GO7007_SENSOR_SCALING,
  92                 .num_i2c_devs    = 1,
  93                 .i2c_devs        = {
  94                         {
  95                                 .type   = "wis_saa7115",
  96                                 .id     = I2C_DRIVERID_WIS_SAA7115,
  97                                 .addr   = 0x20,
  98                         },
  99                 },
 100                 .num_inputs      = 2,
 101                 .inputs          = {
 102                         {
 103                                 .video_input    = 0,
 104                                 .name           = "Composite",
 105                         },
 106                         {
 107                                 .video_input    = 9,
 108                                 .name           = "S-Video",
 109                         },
 110                 },
 111         },
 112 };
 113
 114 static struct go7007_usb_board board_matrix_reload = {
 115         .flags          = GO7007_USB_EZUSB,
 116         .main_info      = {
 117                 .firmware        = "go7007tv.bin",
 118                 .flags           = GO7007_BOARD_HAS_AUDIO |
 119                                         GO7007_BOARD_USE_ONBOARD_I2C,
 120                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 121                                         GO7007_AUDIO_I2S_MASTER |
 122                                         GO7007_AUDIO_WORD_16,
 123                 .audio_rate      = 48000,
 124                 .audio_bclk_div  = 8,
 125                 .audio_main_div  = 2,
 126                 .hpi_buffer_cap  = 7,
 127                 .sensor_flags    = GO7007_SENSOR_656 |
 128                                         GO7007_SENSOR_TV,
 129                 .num_i2c_devs    = 1,
 130                 .i2c_devs        = {
 131                         {
 132                                 .type   = "wis_saa7113",
 133                                 .id     = I2C_DRIVERID_WIS_SAA7113,
 134                                 .addr   = 0x25,
 135                         },
 136                 },
 137                 .num_inputs      = 2,
 138                 .inputs          = {
 139                         {
 140                                 .video_input    = 0,
 141                                 .name           = "Composite",
 142                         },
 143                         {
 144                                 .video_input    = 9,
 145                                 .name           = "S-Video",
 146                         },
 147                 },
 148         },
 149 };
 150
 151 static struct go7007_usb_board board_star_trek = {
 152         .flags          = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
 153         .main_info      = {
 154                 .firmware        = "go7007tv.bin",
 155                 .flags           = GO7007_BOARD_HAS_AUDIO, /* |
 156                                         GO7007_BOARD_HAS_TUNER, */
 157                 .sensor_flags    = GO7007_SENSOR_656 |
 158                                         GO7007_SENSOR_VALID_ENABLE |
 159                                         GO7007_SENSOR_TV |
 160                                         GO7007_SENSOR_VBI |
 161                                         GO7007_SENSOR_SCALING,
 162                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 163                                         GO7007_AUDIO_WORD_16,
 164                 .audio_bclk_div  = 8,
 165                 .audio_main_div  = 2,
 166                 .hpi_buffer_cap  = 7,
 167                 .num_i2c_devs    = 1,
 168                 .i2c_devs        = {
 169                         {
 170                                 .type   = "wis_saa7115",
 171                                 .id     = I2C_DRIVERID_WIS_SAA7115,
 172                                 .addr   = 0x20,
 173                         },
 174                 },
 175                 .num_inputs      = 2,
 176                 .inputs          = {
 177                         {
 178                                 .video_input    = 1,
 179                         /*      .audio_input    = AUDIO_EXTERN, */
 180                                 .name           = "Composite",
 181                         },
 182                         {
 183                                 .video_input    = 8,
 184                         /*      .audio_input    = AUDIO_EXTERN, */
 185                                 .name           = "S-Video",
 186                         },
 187                 /*      {
 188                  *              .video_input    = 3,
 189                  *              .audio_input    = AUDIO_TUNER,
 190                  *              .name           = "Tuner",
 191                  *      },
 192                  */
 193                 },
 194         },
 195 };
 196
 197 static struct go7007_usb_board board_px_tv402u = {
 198         .flags          = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
 199         .main_info      = {
 200                 .firmware        = "go7007tv.bin",
 201                 .flags           = GO7007_BOARD_HAS_AUDIO |
 202                                         GO7007_BOARD_HAS_TUNER,
 203                 .sensor_flags    = GO7007_SENSOR_656 |
 204                                         GO7007_SENSOR_VALID_ENABLE |
 205                                         GO7007_SENSOR_TV |
 206                                         GO7007_SENSOR_VBI |
 207                                         GO7007_SENSOR_SCALING,
 208                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 209                                         GO7007_AUDIO_WORD_16,
 210                 .audio_bclk_div  = 8,
 211                 .audio_main_div  = 2,
 212                 .hpi_buffer_cap  = 7,
 213                 .num_i2c_devs    = 3,
 214                 .i2c_devs        = {
 215                         {
 216                                 .type   = "wis_saa7115",
 217                                 .id     = I2C_DRIVERID_WIS_SAA7115,
 218                                 .addr   = 0x20,
 219                         },
 220                         {
 221                                 .type   = "wis_uda1342",
 222                                 .id     = I2C_DRIVERID_WIS_UDA1342,
 223                                 .addr   = 0x1a,
 224                         },
 225                         {
 226                                 .type   = "wis_sony_tuner",
 227                                 .id     = I2C_DRIVERID_WIS_SONY_TUNER,
 228                                 .addr   = 0x60,
 229                         },
 230                 },
 231                 .num_inputs      = 3,
 232                 .inputs          = {
 233                         {
 234                                 .video_input    = 1,
 235                                 .audio_input    = TVAUDIO_INPUT_EXTERN,
 236                                 .name           = "Composite",
 237                         },
 238                         {
 239                                 .video_input    = 8,
 240                                 .audio_input    = TVAUDIO_INPUT_EXTERN,
 241                                 .name           = "S-Video",
 242                         },
 243                         {
 244                                 .video_input    = 3,
 245                                 .audio_input    = TVAUDIO_INPUT_TUNER,
 246                                 .name           = "Tuner",
 247                         },
 248                 },
 249         },
 250 };
 251
 252 static struct go7007_usb_board board_xmen = {
 253         .flags          = 0,
 254         .main_info      = {
 255                 .firmware         = "go7007tv.bin",
 256                 .flags            = GO7007_BOARD_USE_ONBOARD_I2C,
 257                 .hpi_buffer_cap   = 0,
 258                 .sensor_flags     = GO7007_SENSOR_VREF_POLAR,
 259                 .sensor_width     = 320,
 260                 .sensor_height    = 240,
 261                 .sensor_framerate = 30030,
 262                 .audio_flags      = GO7007_AUDIO_ONE_CHANNEL |
 263                                         GO7007_AUDIO_I2S_MODE_3 |
 264                                         GO7007_AUDIO_WORD_14 |
 265                                         GO7007_AUDIO_I2S_MASTER |
 266                                         GO7007_AUDIO_BCLK_POLAR |
 267                                         GO7007_AUDIO_OKI_MODE,
 268                 .audio_rate       = 8000,
 269                 .audio_bclk_div   = 48,
 270                 .audio_main_div   = 1,
 271                 .num_i2c_devs     = 1,
 272                 .i2c_devs         = {
 273                         {
 274                                 .type   = "wis_ov7640",
 275                                 .id     = I2C_DRIVERID_WIS_OV7640,
 276                                 .addr   = 0x21,
 277                         },
 278                 },
 279                 .num_inputs       = 1,
 280                 .inputs           = {
 281                         {
 282                                 .name           = "Camera",
 283                         },
 284                 },
 285         },
 286 };
 287
 288 static struct go7007_usb_board board_matrix_revolution = {
 289         .flags          = GO7007_USB_EZUSB,
 290         .main_info      = {
 291                 .firmware        = "go7007tv.bin",
 292                 .flags           = GO7007_BOARD_HAS_AUDIO |
 293                                         GO7007_BOARD_USE_ONBOARD_I2C,
 294                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 295                                         GO7007_AUDIO_I2S_MASTER |
 296                                         GO7007_AUDIO_WORD_16,
 297                 .audio_rate      = 48000,
 298                 .audio_bclk_div  = 8,
 299                 .audio_main_div  = 2,
 300                 .hpi_buffer_cap  = 7,
 301                 .sensor_flags    = GO7007_SENSOR_656 |
 302                                         GO7007_SENSOR_TV |
 303                                         GO7007_SENSOR_VBI,
 304                 .num_i2c_devs    = 1,
 305                 .i2c_devs        = {
 306                         {
 307                                 .type   = "wis_tw9903",
 308                                 .id     = I2C_DRIVERID_WIS_TW9903,
 309                                 .addr   = 0x44,
 310                         },
 311                 },
 312                 .num_inputs      = 2,
 313                 .inputs          = {
 314                         {
 315                                 .video_input    = 2,
 316                                 .name           = "Composite",
 317                         },
 318                         {
 319                                 .video_input    = 8,
 320                                 .name           = "S-Video",
 321                         },
 322                 },
 323         },
 324 };
 325
 326 static struct go7007_usb_board board_lifeview_lr192 = {
 327         .flags          = GO7007_USB_EZUSB,
 328         .main_info      = {
 329                 .firmware        = "go7007tv.bin",
 330                 .flags           = GO7007_BOARD_HAS_AUDIO |
 331                                         GO7007_BOARD_USE_ONBOARD_I2C,
 332                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 333                                         GO7007_AUDIO_WORD_16,
 334                 .audio_rate      = 48000,
 335                 .audio_bclk_div  = 8,
 336                 .audio_main_div  = 2,
 337                 .hpi_buffer_cap  = 7,
 338                 .sensor_flags    = GO7007_SENSOR_656 |
 339                                         GO7007_SENSOR_VALID_ENABLE |
 340                                         GO7007_SENSOR_TV |
 341                                         GO7007_SENSOR_VBI |
 342                                         GO7007_SENSOR_SCALING,
 343                 .num_i2c_devs    = 0,
 344                 .num_inputs      = 1,
 345                 .inputs          = {
 346                         {
 347                                 .video_input    = 0,
 348                                 .name           = "Composite",
 349                         },
 350                 },
 351         },
 352 };
 353
 354 static struct go7007_usb_board board_endura = {
 355         .flags          = 0,
 356         .main_info      = {
 357                 .firmware        = "go7007tv.bin",
 358                 .flags           = 0,
 359                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 360                                         GO7007_AUDIO_I2S_MASTER |
 361                                         GO7007_AUDIO_WORD_16,
 362                 .audio_rate      = 8000,
 363                 .audio_bclk_div  = 48,
 364                 .audio_main_div  = 8,
 365                 .hpi_buffer_cap  = 0,
 366                 .sensor_flags    = GO7007_SENSOR_656 |
 367                                         GO7007_SENSOR_TV,
 368                 .sensor_h_offset = 8,
 369                 .num_i2c_devs    = 0,
 370                 .num_inputs      = 1,
 371                 .inputs          = {
 372                         {
 373                                 .name           = "Camera",
 374                         },
 375                 },
 376         },
 377 };
 378
 379 static struct go7007_usb_board board_adlink_mpg24 = {
 380         .flags          = 0,
 381         .main_info      = {
 382                 .firmware        = "go7007tv.bin",
 383                 .flags           = GO7007_BOARD_USE_ONBOARD_I2C,
 384                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 385                                         GO7007_AUDIO_I2S_MASTER |
 386                                         GO7007_AUDIO_WORD_16,
 387                 .audio_rate      = 48000,
 388                 .audio_bclk_div  = 8,
 389                 .audio_main_div  = 2,
 390                 .hpi_buffer_cap  = 0,
 391                 .sensor_flags    = GO7007_SENSOR_656 |
 392                                         GO7007_SENSOR_TV |
 393                                         GO7007_SENSOR_VBI,
 394                 .num_i2c_devs    = 1,
 395                 .i2c_devs        = {
 396                         {
 397                                 .type   = "wis_twTW2804",
 398                                 .id     = I2C_DRIVERID_WIS_TW2804,
 399                                 .addr   = 0x00, /* yes, really */
 400                         },
 401                 },
 402                 .num_inputs      = 1,
 403                 .inputs          = {
 404                         {
 405                                 .name           = "Composite",
 406                         },
 407                 },
 408         },
 409 };
 410
 411 static struct go7007_usb_board board_sensoray_2250 = {
 412         .flags          = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
 413         .main_info      = {
 414                 .firmware        = "go7007tv.bin",
 415                 .audio_flags     = GO7007_AUDIO_I2S_MODE_1 |
 416                                         GO7007_AUDIO_I2S_MASTER |
 417                                         GO7007_AUDIO_WORD_16,
 418                 .flags           = GO7007_BOARD_HAS_AUDIO,
 419                 .audio_rate      = 48000,
 420                 .audio_bclk_div  = 8,
 421                 .audio_main_div  = 2,
 422                 .hpi_buffer_cap  = 7,
 423                 .sensor_flags    = GO7007_SENSOR_656 |
 424                                         GO7007_SENSOR_TV,
 425                 .num_i2c_devs    = 1,
 426                 .i2c_devs        = {
 427                         {
 428                                 .type   = "s2250",
 429                                 .id     = I2C_DRIVERID_S2250,
 430                                 .addr   = 0x43,
 431                         },
 432                 },
 433                 .num_inputs      = 2,
 434                 .inputs          = {
 435                         {
 436                                 .video_input    = 0,
 437                                 .name           = "Composite",
 438                         },
 439                         {
 440                                 .video_input    = 1,
 441                                 .name           = "S-Video",
 442                         },
 443                 },
 444         },
 445 };
 446
 447 static struct usb_device_id go7007_usb_id_table[] = {
 448         {
 449                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 450                                         USB_DEVICE_ID_MATCH_INT_INFO,
 451                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 452                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 453                 .bcdDevice_lo   = 0x200,   /* Revision number of XMen */
 454                 .bcdDevice_hi   = 0x200,
 455                 .bInterfaceClass        = 255,
 456                 .bInterfaceSubClass     = 0,
 457                 .bInterfaceProtocol     = 255,
 458                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN,
 459         },
 460         {
 461                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 462                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 463                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 464                 .bcdDevice_lo   = 0x202,   /* Revision number of Matrix II */
 465                 .bcdDevice_hi   = 0x202,
 466                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
 467         },
 468         {
 469                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 470                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 471                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 472                 .bcdDevice_lo   = 0x204,   /* Revision number of Matrix */
 473                 .bcdDevice_hi   = 0x204,   /*     Reloaded */
 474                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
 475         },
 476         {
 477                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 478                                         USB_DEVICE_ID_MATCH_INT_INFO,
 479                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 480                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 481                 .bcdDevice_lo   = 0x205,   /* Revision number of XMen-II */
 482                 .bcdDevice_hi   = 0x205,
 483                 .bInterfaceClass        = 255,
 484                 .bInterfaceSubClass     = 0,
 485                 .bInterfaceProtocol     = 255,
 486                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
 487         },
 488         {
 489                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 490                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 491                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 492                 .bcdDevice_lo   = 0x208,   /* Revision number of Star Trek */
 493                 .bcdDevice_hi   = 0x208,
 494                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
 495         },
 496         {
 497                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 498                                         USB_DEVICE_ID_MATCH_INT_INFO,
 499                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 500                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 501                 .bcdDevice_lo   = 0x209,   /* Revision number of XMen-III */
 502                 .bcdDevice_hi   = 0x209,
 503                 .bInterfaceClass        = 255,
 504                 .bInterfaceSubClass     = 0,
 505                 .bInterfaceProtocol     = 255,
 506                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
 507         },
 508         {
 509                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 510                 .idVendor       = 0x0eb1,  /* Vendor ID of WIS Technologies */
 511                 .idProduct      = 0x7007,  /* Product ID of GO7007SB chip */
 512                 .bcdDevice_lo   = 0x210,   /* Revision number of Matrix */
 513                 .bcdDevice_hi   = 0x210,   /*     Revolution */
 514                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
 515         },
 516         {
 517                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 518                 .idVendor       = 0x093b,  /* Vendor ID of Plextor */
 519                 .idProduct      = 0xa102,  /* Product ID of M402U */
 520                 .bcdDevice_lo   = 0x1,     /* revision number of Blueberry */
 521                 .bcdDevice_hi   = 0x1,
 522                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
 523         },
 524         {
 525                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 526                 .idVendor       = 0x093b,  /* Vendor ID of Plextor */
 527                 .idProduct      = 0xa104,  /* Product ID of TV402U */
 528                 .bcdDevice_lo   = 0x1,
 529                 .bcdDevice_hi   = 0x1,
 530                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_PX_TV402U_ANY,
 531         },
 532         {
 533                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 534                 .idVendor       = 0x10fd,  /* Vendor ID of Anubis Electronics */
 535                 .idProduct      = 0xde00,  /* Product ID of Lifeview LR192 */
 536                 .bcdDevice_lo   = 0x1,
 537                 .bcdDevice_hi   = 0x1,
 538                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
 539         },
 540         {
 541                 .match_flags    = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
 542                 .idVendor       = 0x1943,  /* Vendor ID Sensoray */
 543                 .idProduct      = 0x2250,  /* Product ID of 2250/2251 */
 544                 .bcdDevice_lo   = 0x1,
 545                 .bcdDevice_hi   = 0x1,
 546                 .driver_info    = (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
 547         },
 548         { }                                     /* Terminating entry */
 549 };
 550
 551 MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
 552
 553 /********************* Driver for EZ-USB HPI interface *********************/
 554
 555 static int go7007_usb_vendor_request(struct go7007 *go, int request,
 556                 int value, int index, void *transfer_buffer, int length, int in)
 557 {
 558         struct go7007_usb *usb = go->hpi_context;
 559         int timeout = 5000;
 560
 561         if (in) {
 562                 return usb_control_msg(usb->usbdev,
 563                                 usb_rcvctrlpipe(usb->usbdev, 0), request,
 564                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 565                                 value, index, transfer_buffer, length, timeout);
 566         } else {
 567                 return usb_control_msg(usb->usbdev,
 568                                 usb_sndctrlpipe(usb->usbdev, 0), request,
 569                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 570                                 value, index, transfer_buffer, length, timeout);
 571         }
 572 }
 573
 574 static int go7007_usb_interface_reset(struct go7007 *go)
 575 {
 576         struct go7007_usb *usb = go->hpi_context;
 577         u16 intr_val, intr_data;
 578
 579         /* Reset encoder */
 580         if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
 581                 return -1;
 582         msleep(100);
 583
 584         if (usb->board->flags & GO7007_USB_EZUSB) {
 585                 /* Reset buffer in EZ-USB */
 586 #ifdef GO7007_USB_DEBUG
 587                 printk(KERN_DEBUG "go7007-usb: resetting EZ-USB buffers\n");
 588 #endif
 589                 if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
 590                     go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
 591                         return -1;
 592
 593                 /* Reset encoder again */
 594                 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
 595                         return -1;
 596                 msleep(100);
 597         }
 598
 599         /* Wait for an interrupt to indicate successful hardware reset */
 600         if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
 601                         (intr_val & ~0x1) != 0x55aa) {
 602                 printk(KERN_ERR
 603                         "go7007-usb: unable to reset the USB interface\n");
 604                 return -1;
 605         }
 606         return 0;
 607 }
 608
 609 static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
 610                                                 int addr, int data)
 611 {
 612         struct go7007_usb *usb = go->hpi_context;
 613         int i, r;
 614         u16 status_reg;
 615         int timeout = 500;
 616
 617 #ifdef GO7007_USB_DEBUG
 618         printk(KERN_DEBUG
 619                 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
 620 #endif
 621
 622         for (i = 0; i < 100; ++i) {
 623                 r = usb_control_msg(usb->usbdev,
 624                                 usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
 625                                 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 626                                 0, HPI_STATUS_ADDR, &status_reg,
 627                                 sizeof(status_reg), timeout);
 628                 if (r < 0)
 629                         goto write_int_error;
 630                 __le16_to_cpus(&status_reg);
 631                 if (!(status_reg & 0x0010))
 632                         break;
 633                 msleep(10);
 634         }
 635         if (i == 100) {
 636                 printk(KERN_ERR
 637                         "go7007-usb: device is hung, status reg = 0x%04x\n",
 638                         status_reg);
 639                 return -1;
 640         }
 641         r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
 642                         USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
 643                         INT_PARAM_ADDR, NULL, 0, timeout);
 644         if (r < 0)
 645                 goto write_int_error;
 646         r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
 647                         0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
 648                         INT_INDEX_ADDR, NULL, 0, timeout);
 649         if (r < 0)
 650                 goto write_int_error;
 651         return 0;
 652
 653 write_int_error:
 654         printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
 655         return r;
 656 }
 657
 658 static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
 659                                                 int addr, int data)
 660 {
 661         struct go7007_usb *usb = go->hpi_context;
 662         u8 *tbuf;
 663         int r;
 664         int timeout = 500;
 665
 666 #ifdef GO7007_USB_DEBUG
 667         printk(KERN_DEBUG
 668                 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
 669 #endif
 670
 671         tbuf = kmalloc(8, GFP_KERNEL);
 672         if (tbuf == NULL)
 673                 return -ENOMEM;
 674         memset(tbuf, 0, 8);
 675         tbuf[0] = data & 0xff;
 676         tbuf[1] = data >> 8;
 677         tbuf[2] = addr & 0xff;
 678         tbuf[3] = addr >> 8;
 679         r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
 680                         USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
 681                         0xf0f0, tbuf, 8, timeout);
 682         kfree(tbuf);
 683         if (r < 0) {
 684                 printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
 685                 return r;
 686         }
 687         return 0;
 688 }
 689
 690 static void go7007_usb_readinterrupt_complete(struct urb *urb)
 691 {
 692         struct go7007 *go = (struct go7007 *)urb->context;
 693         u16 *regs = (u16 *)urb->transfer_buffer;
 694         int status = urb->status;
 695
 696         if (status) {
 697                 if (status != -ESHUTDOWN &&
 698                                 go->status != STATUS_SHUTDOWN) {
 699                         printk(KERN_ERR
 700                                 "go7007-usb: error in read interrupt: %d\n",
 701                                 urb->status);
 702                 } else {
 703                         wake_up(&go->interrupt_waitq);
 704                         return;
 705                 }
 706         } else if (urb->actual_length != urb->transfer_buffer_length) {
 707                 printk(KERN_ERR "go7007-usb: short read in interrupt pipe!\n");
 708         } else {
 709                 go->interrupt_available = 1;
 710                 go->interrupt_data = __le16_to_cpu(regs[0]);
 711                 go->interrupt_value = __le16_to_cpu(regs[1]);
 712 #ifdef GO7007_USB_DEBUG
 713                 printk(KERN_DEBUG "go7007-usb: ReadInterrupt: %04x %04x\n",
 714                                 go->interrupt_value, go->interrupt_data);
 715 #endif
 716         }
 717
 718         wake_up(&go->interrupt_waitq);
 719 }
 720
 721 static int go7007_usb_read_interrupt(struct go7007 *go)
 722 {
 723         struct go7007_usb *usb = go->hpi_context;
 724         int r;
 725
 726         r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
 727         if (r < 0) {
 728                 printk(KERN_ERR
 729                         "go7007-usb: unable to submit interrupt urb: %d\n", r);
 730                 return r;
 731         }
 732         return 0;
 733 }
 734
 735 static void go7007_usb_read_video_pipe_complete(struct urb *urb)
 736 {
 737         struct go7007 *go = (struct go7007 *)urb->context;
 738         int r, status = urb->status;
 739
 740         if (!go->streaming) {
 741                 wake_up_interruptible(&go->frame_waitq);
 742                 return;
 743         }
 744         if (status) {
 745                 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n",
 746                         status);
 747                 return;
 748         }
 749         if (urb->actual_length != urb->transfer_buffer_length) {
 750                 printk(KERN_ERR "go7007-usb: short read in video pipe!\n");
 751                 return;
 752         }
 753         go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
 754         r = usb_submit_urb(urb, GFP_ATOMIC);
 755         if (r < 0)
 756                 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", r);
 757 }
 758
 759 static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
 760 {
 761         struct go7007 *go = (struct go7007 *)urb->context;
 762         int r, status = urb->status;
 763
 764         if (!go->streaming)
 765                 return;
 766         if (status) {
 767                 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n",
 768                         status);
 769                 return;
 770         }
 771         if (urb->actual_length != urb->transfer_buffer_length) {
 772                 printk(KERN_ERR "go7007-usb: short read in audio pipe!\n");
 773                 return;
 774         }
 775         if (go->audio_deliver != NULL)
 776                 go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
 777         r = usb_submit_urb(urb, GFP_ATOMIC);
 778         if (r < 0)
 779                 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", r);
 780 }
 781
 782 static int go7007_usb_stream_start(struct go7007 *go)
 783 {
 784         struct go7007_usb *usb = go->hpi_context;
 785         int i, r;
 786
 787         for (i = 0; i < 8; ++i) {
 788                 r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
 789                 if (r < 0) {
 790                         printk(KERN_ERR "go7007-usb: error submitting video "
 791                                         "urb %d: %d\n", i, r);
 792                         goto video_submit_failed;
 793                 }
 794         }
 795         if (!go->audio_enabled)
 796                 return 0;
 797
 798         for (i = 0; i < 8; ++i) {
 799                 r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
 800                 if (r < 0) {
 801                         printk(KERN_ERR "go7007-usb: error submitting audio "
 802                                         "urb %d: %d\n", i, r);
 803                         goto audio_submit_failed;
 804                 }
 805         }
 806         return 0;
 807
 808 audio_submit_failed:
 809         for (i = 0; i < 7; ++i)
 810                 usb_kill_urb(usb->audio_urbs[i]);
 811 video_submit_failed:
 812         for (i = 0; i < 8; ++i)
 813                 usb_kill_urb(usb->video_urbs[i]);
 814         return -1;
 815 }
 816
 817 static int go7007_usb_stream_stop(struct go7007 *go)
 818 {
 819         struct go7007_usb *usb = go->hpi_context;
 820         int i;
 821
 822         if (go->status == STATUS_SHUTDOWN)
 823                 return 0;
 824         for (i = 0; i < 8; ++i)
 825                 usb_kill_urb(usb->video_urbs[i]);
 826         if (go->audio_enabled)
 827                 for (i = 0; i < 8; ++i)
 828                         usb_kill_urb(usb->audio_urbs[i]);
 829         return 0;
 830 }
 831
 832 static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
 833 {
 834         struct go7007_usb *usb = go->hpi_context;
 835         int transferred, pipe;
 836         int timeout = 500;
 837
 838 #ifdef GO7007_USB_DEBUG
 839         printk(KERN_DEBUG "go7007-usb: DownloadBuffer sending %d bytes\n", len);
 840 #endif
 841
 842         if (usb->board->flags & GO7007_USB_EZUSB)
 843                 pipe = usb_sndbulkpipe(usb->usbdev, 2);
 844         else
 845                 pipe = usb_sndbulkpipe(usb->usbdev, 3);
 846
 847         return usb_bulk_msg(usb->usbdev, pipe, data, len,
 848                                         &transferred, timeout);
 849 }
 850
 851 static struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
 852         .interface_reset        = go7007_usb_interface_reset,
 853         .write_interrupt        = go7007_usb_ezusb_write_interrupt,
 854         .read_interrupt         = go7007_usb_read_interrupt,
 855         .stream_start           = go7007_usb_stream_start,
 856         .stream_stop            = go7007_usb_stream_stop,
 857         .send_firmware          = go7007_usb_send_firmware,
 858 };
 859
 860 static struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
 861         .interface_reset        = go7007_usb_interface_reset,
 862         .write_interrupt        = go7007_usb_onboard_write_interrupt,
 863         .read_interrupt         = go7007_usb_read_interrupt,
 864         .stream_start           = go7007_usb_stream_start,
 865         .stream_stop            = go7007_usb_stream_stop,
 866         .send_firmware          = go7007_usb_send_firmware,
 867 };
 868
 869 /********************* Driver for EZ-USB I2C adapter *********************/
 870
 871 static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
 872                                         struct i2c_msg msgs[], int num)
 873 {
 874         struct go7007 *go = i2c_get_adapdata(adapter);
 875         struct go7007_usb *usb = go->hpi_context;
 876         u8 buf[16];
 877         int buf_len, i;
 878         int ret = -1;
 879
 880         if (go->status == STATUS_SHUTDOWN)
 881                 return -1;
 882
 883         mutex_lock(&usb->i2c_lock);
 884
 885         for (i = 0; i < num; ++i) {
 886                 /* The hardware command is "write some bytes then read some
 887                  * bytes", so we try to coalesce a write followed by a read
 888                  * into a single USB transaction */
 889                 if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
 890                                 !(msgs[i].flags & I2C_M_RD) &&
 891                                 (msgs[i + 1].flags & I2C_M_RD)) {
 892 #ifdef GO7007_I2C_DEBUG
 893                         printk(KERN_DEBUG "go7007-usb: i2c write/read %d/%d "
 894                                         "bytes on %02x\n", msgs[i].len,
 895                                         msgs[i + 1].len, msgs[i].addr);
 896 #endif
 897                         buf[0] = 0x01;
 898                         buf[1] = msgs[i].len + 1;
 899                         buf[2] = msgs[i].addr << 1;
 900                         memcpy(&buf[3], msgs[i].buf, msgs[i].len);
 901                         buf_len = msgs[i].len + 3;
 902                         buf[buf_len++] = msgs[++i].len;
 903                 } else if (msgs[i].flags & I2C_M_RD) {
 904 #ifdef GO7007_I2C_DEBUG
 905                         printk(KERN_DEBUG "go7007-usb: i2c read %d "
 906                                         "bytes on %02x\n", msgs[i].len,
 907                                         msgs[i].addr);
 908 #endif
 909                         buf[0] = 0x01;
 910                         buf[1] = 1;
 911                         buf[2] = msgs[i].addr << 1;
 912                         buf[3] = msgs[i].len;
 913                         buf_len = 4;
 914                 } else {
 915 #ifdef GO7007_I2C_DEBUG
 916                         printk(KERN_DEBUG "go7007-usb: i2c write %d "
 917                                         "bytes on %02x\n", msgs[i].len,
 918                                         msgs[i].addr);
 919 #endif
 920                         buf[0] = 0x00;
 921                         buf[1] = msgs[i].len + 1;
 922                         buf[2] = msgs[i].addr << 1;
 923                         memcpy(&buf[3], msgs[i].buf, msgs[i].len);
 924                         buf_len = msgs[i].len + 3;
 925                         buf[buf_len++] = 0;
 926                 }
 927                 if (go7007_usb_vendor_request(go, 0x24, 0, 0,
 928                                                 buf, buf_len, 0) < 0)
 929                         goto i2c_done;
 930                 if (msgs[i].flags & I2C_M_RD) {
 931                         memset(buf, 0, sizeof(buf));
 932                         if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
 933                                                 msgs[i].len + 1, 1) < 0)
 934                                 goto i2c_done;
 935                         memcpy(msgs[i].buf, buf + 1, msgs[i].len);
 936                 }
 937         }
 938         ret = 0;
 939
 940 i2c_done:
 941         mutex_unlock(&usb->i2c_lock);
 942         return ret;
 943 }
 944
 945 static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
 946 {
 947         /* No errors are reported by the hardware, so we don't bother
 948          * supporting quick writes to avoid confusing probing */
 949         return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
 950 }
 951
 952 static struct i2c_algorithm go7007_usb_algo = {
 953         .master_xfer    = go7007_usb_i2c_master_xfer,
 954         .functionality  = go7007_usb_functionality,
 955 };
 956
 957 static struct i2c_adapter go7007_usb_adap_templ = {
 958         .owner                  = THIS_MODULE,
 959         .name                   = "WIS GO7007SB EZ-USB",
 960         .algo                   = &go7007_usb_algo,
 961 };
 962
 963 /********************* USB add/remove functions *********************/
 964
 965 static int go7007_usb_probe(struct usb_interface *intf,
 966                 const struct usb_device_id *id)
 967 {
 968         struct go7007 *go;
 969         struct go7007_usb *usb;
 970         struct go7007_usb_board *board;
 971         struct usb_device *usbdev = interface_to_usbdev(intf);
 972         char *name;
 973         int video_pipe, i, v_urb_len;
 974
 975         printk(KERN_DEBUG "go7007-usb: probing new GO7007 USB board\n");
 976
 977         switch (id->driver_info) {
 978         case GO7007_BOARDID_MATRIX_II:
 979                 name = "WIS Matrix II or compatible";
 980                 board = &board_matrix_ii;
 981                 break;
 982         case GO7007_BOARDID_MATRIX_RELOAD:
 983                 name = "WIS Matrix Reloaded or compatible";
 984                 board = &board_matrix_reload;
 985                 break;
 986         case GO7007_BOARDID_MATRIX_REV:
 987                 name = "WIS Matrix Revolution or compatible";
 988                 board = &board_matrix_revolution;
 989                 break;
 990         case GO7007_BOARDID_STAR_TREK:
 991                 name = "WIS Star Trek or compatible";
 992                 board = &board_star_trek;
 993                 break;
 994         case GO7007_BOARDID_XMEN:
 995                 name = "WIS XMen or compatible";
 996                 board = &board_xmen;
 997                 break;
 998         case GO7007_BOARDID_XMEN_II:
 999                 name = "WIS XMen II or compatible";
1000                 board = &board_xmen;
1001                 break;
1002         case GO7007_BOARDID_XMEN_III:
1003                 name = "WIS XMen III or compatible";
1004                 board = &board_xmen;
1005                 break;
1006         case GO7007_BOARDID_PX_M402U:
1007                 name = "Plextor PX-M402U";
1008                 board = &board_matrix_ii;
1009                 break;
1010         case GO7007_BOARDID_PX_TV402U_ANY:
1011                 name = "Plextor PX-TV402U (unknown tuner)";
1012                 board = &board_px_tv402u;
1013                 break;
1014         case GO7007_BOARDID_LIFEVIEW_LR192:
1015                 printk(KERN_ERR "go7007-usb: The Lifeview TV Walker Ultra "
1016                                 "is not supported.  Sorry!\n");
1017                 return 0;
1018                 name = "Lifeview TV Walker Ultra";
1019                 board = &board_lifeview_lr192;
1020                 break;
1021         case GO7007_BOARDID_SENSORAY_2250:
1022                 printk(KERN_INFO "Sensoray 2250 found\n");
1023                 name = "Sensoray 2250/2251";
1024                 board = &board_sensoray_2250;
1025                 break;
1026         default:
1027                 printk(KERN_ERR "go7007-usb: unknown board ID %d!\n",
1028                                 (unsigned int)id->driver_info);
1029                 return 0;
1030         }
1031
1032         usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
1033         if (usb == NULL)
1034                 return -ENOMEM;
1035
1036         /* Allocate the URB and buffer for receiving incoming interrupts */
1037         usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1038         if (usb->intr_urb == NULL)
1039                 goto allocfail;
1040         usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL);
1041         if (usb->intr_urb->transfer_buffer == NULL)
1042                 goto allocfail;
1043
1044         go = go7007_alloc(&board->main_info, &intf->dev);
1045         if (go == NULL)
1046                 goto allocfail;
1047         usb->board = board;
1048         usb->usbdev = usbdev;
1049         go->board_id = id->driver_info;
1050         strncpy(go->name, name, sizeof(go->name));
1051         if (board->flags & GO7007_USB_EZUSB)
1052                 go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
1053         else
1054                 go->hpi_ops = &go7007_usb_onboard_hpi_ops;
1055         go->hpi_context = usb;
1056         usb_fill_int_urb(usb->intr_urb, usb->usbdev,
1057                         usb_rcvintpipe(usb->usbdev, 4),
1058                         usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1059                         go7007_usb_readinterrupt_complete, go, 8);
1060         usb_set_intfdata(intf, &go->v4l2_dev);
1061
1062         /* Boot the GO7007 */
1063         if (go7007_boot_encoder(go, go->board_info->flags &
1064                                         GO7007_BOARD_USE_ONBOARD_I2C) < 0)
1065                 goto initfail;
1066
1067         /* Register the EZ-USB I2C adapter, if we're using it */
1068         if (board->flags & GO7007_USB_EZUSB_I2C) {
1069                 memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
1070                                 sizeof(go7007_usb_adap_templ));
1071                 mutex_init(&usb->i2c_lock);
1072                 go->i2c_adapter.dev.parent = go->dev;
1073                 i2c_set_adapdata(&go->i2c_adapter, go);
1074                 if (i2c_add_adapter(&go->i2c_adapter) < 0) {
1075                         printk(KERN_ERR
1076                                 "go7007-usb: error: i2c_add_adapter failed\n");
1077                         goto initfail;
1078                 }
1079                 go->i2c_adapter_online = 1;
1080         }
1081
1082         /* Pelco and Adlink reused the XMen and XMen-III vendor and product
1083          * IDs for their own incompatible designs.  We can detect XMen boards
1084          * by probing the sensor, but there is no way to probe the sensors on
1085          * the Pelco and Adlink designs so we default to the Adlink.  If it
1086          * is actually a Pelco, the user must set the assume_endura module
1087          * parameter. */
1088         if ((go->board_id == GO7007_BOARDID_XMEN ||
1089                                 go->board_id == GO7007_BOARDID_XMEN_III) &&
1090                         go->i2c_adapter_online) {
1091                 union i2c_smbus_data data;
1092
1093                 /* Check to see if register 0x0A is 0x76 */
1094                 i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
1095                         I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
1096                 if (data.byte != 0x76) {
1097                         if (assume_endura) {
1098                                 go->board_id = GO7007_BOARDID_ENDURA;
1099                                 usb->board = board = &board_endura;
1100                                 go->board_info = &board->main_info;
1101                                 strncpy(go->name, "Pelco Endura",
1102                                         sizeof(go->name));
1103                         } else {
1104                                 u16 channel;
1105
1106                                 /* set GPIO5 to be an output, currently low */
1107                                 go7007_write_addr(go, 0x3c82, 0x0000);
1108                                 go7007_write_addr(go, 0x3c80, 0x00df);
1109                                 /* read channel number from GPIO[1:0] */
1110                                 go7007_read_addr(go, 0x3c81, &channel);
1111                                 channel &= 0x3;
1112                                 go->board_id = GO7007_BOARDID_ADLINK_MPG24;
1113                                 usb->board = board = &board_adlink_mpg24;
1114                                 go->board_info = &board->main_info;
1115                                 go->channel_number = channel;
1116                                 snprintf(go->name, sizeof(go->name),
1117                                         "Adlink PCI-MPG24, channel #%d",
1118                                         channel);
1119                         }
1120                 }
1121         }
1122
1123         /* Probe the tuner model on the TV402U */
1124         if (go->board_id == GO7007_BOARDID_PX_TV402U_ANY) {
1125                 u8 data[3];
1126
1127                 /* Board strapping indicates tuner model */
1128                 if (go7007_usb_vendor_request(go, 0x41, 0, 0, data, 3, 1) < 0) {
1129                         printk(KERN_ERR "go7007-usb: GPIO read failed!\n");
1130                         goto initfail;
1131                 }
1132                 switch (data[0] >> 6) {
1133                 case 1:
1134                         go->board_id = GO7007_BOARDID_PX_TV402U_EU;
1135                         go->tuner_type = TUNER_SONY_BTF_PG472Z;
1136                         strncpy(go->name, "Plextor PX-TV402U-EU",
1137                                         sizeof(go->name));
1138                         break;
1139                 case 2:
1140                         go->board_id = GO7007_BOARDID_PX_TV402U_JP;
1141                         go->tuner_type = TUNER_SONY_BTF_PK467Z;
1142                         strncpy(go->name, "Plextor PX-TV402U-JP",
1143                                         sizeof(go->name));
1144                         break;
1145                 case 3:
1146                         go->board_id = GO7007_BOARDID_PX_TV402U_NA;
1147                         go->tuner_type = TUNER_SONY_BTF_PB463Z;
1148                         strncpy(go->name, "Plextor PX-TV402U-NA",
1149                                         sizeof(go->name));
1150                         break;
1151                 default:
1152                         printk(KERN_DEBUG "go7007-usb: unable to detect "
1153                                                 "tuner type!\n");
1154                         break;
1155                 }
1156                 /* Configure tuner mode selection inputs connected
1157                  * to the EZ-USB GPIO output pins */
1158                 if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
1159                                         NULL, 0, 0) < 0) {
1160                         printk(KERN_ERR "go7007-usb: GPIO write failed!\n");
1161                         goto initfail;
1162                 }
1163         }
1164
1165         /* Print a nasty message if the user attempts to use a USB2.0 device in
1166          * a USB1.1 port.  There will be silent corruption of the stream. */
1167         if ((board->flags & GO7007_USB_EZUSB) &&
1168                         usbdev->speed != USB_SPEED_HIGH)
1169                 printk(KERN_ERR "go7007-usb: *** WARNING ***  This device "
1170                                 "must be connected to a USB 2.0 port!  "
1171                                 "Attempting to capture video through a USB 1.1 "
1172                                 "port will result in stream corruption, even "
1173                                 "at low bitrates!\n");
1174
1175         /* Do any final GO7007 initialization, then register the
1176          * V4L2 and ALSA interfaces */
1177         if (go7007_register_encoder(go) < 0)
1178                 goto initfail;
1179
1180         /* Allocate the URBs and buffers for receiving the video stream */
1181         if (board->flags & GO7007_USB_EZUSB) {
1182                 v_urb_len = 1024;
1183                 video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
1184         } else {
1185                 v_urb_len = 512;
1186                 video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
1187         }
1188         for (i = 0; i < 8; ++i) {
1189                 usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1190                 if (usb->video_urbs[i] == NULL)
1191                         goto initfail;
1192                 usb->video_urbs[i]->transfer_buffer =
1193                                                 kmalloc(v_urb_len, GFP_KERNEL);
1194                 if (usb->video_urbs[i]->transfer_buffer == NULL)
1195                         goto initfail;
1196                 usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
1197                                 usb->video_urbs[i]->transfer_buffer, v_urb_len,
1198                                 go7007_usb_read_video_pipe_complete, go);
1199         }
1200
1201         /* Allocate the URBs and buffers for receiving the audio stream */
1202         if ((board->flags & GO7007_USB_EZUSB) && go->audio_enabled)
1203                 for (i = 0; i < 8; ++i) {
1204                         usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1205                         if (usb->audio_urbs[i] == NULL)
1206                                 goto initfail;
1207                         usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
1208                                                                 GFP_KERNEL);
1209                         if (usb->audio_urbs[i]->transfer_buffer == NULL)
1210                                 goto initfail;
1211                         usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
1212                                 usb_rcvbulkpipe(usb->usbdev, 8),
1213                                 usb->audio_urbs[i]->transfer_buffer, 4096,
1214                                 go7007_usb_read_audio_pipe_complete, go);
1215                 }
1216
1217
1218         go->status = STATUS_ONLINE;
1219         return 0;
1220
1221 initfail:
1222         go->status = STATUS_SHUTDOWN;
1223         return 0;
1224
1225 allocfail:
1226         if (usb->intr_urb) {
1227                 kfree(usb->intr_urb->transfer_buffer);
1228                 usb_free_urb(usb->intr_urb);
1229         }
1230         kfree(usb);
1231         return -ENOMEM;
1232 }
1233
1234 static void go7007_usb_disconnect(struct usb_interface *intf)
1235 {
1236         struct go7007 *go = to_go7007(usb_get_intfdata(intf));
1237         struct go7007_usb *usb = go->hpi_context;
1238         struct urb *vurb, *aurb;
1239         int i;
1240
1241         go->status = STATUS_SHUTDOWN;
1242         usb_kill_urb(usb->intr_urb);
1243
1244         /* Free USB-related structs */
1245         for (i = 0; i < 8; ++i) {
1246                 vurb = usb->video_urbs[i];
1247                 if (vurb) {
1248                         usb_kill_urb(vurb);
1249                         if (vurb->transfer_buffer)
1250                                 kfree(vurb->transfer_buffer);
1251                         usb_free_urb(vurb);
1252                 }
1253                 aurb = usb->audio_urbs[i];
1254                 if (aurb) {
1255                         usb_kill_urb(aurb);
1256                         if (aurb->transfer_buffer)
1257                                 kfree(aurb->transfer_buffer);
1258                         usb_free_urb(aurb);
1259                 }
1260         }
1261         kfree(usb->intr_urb->transfer_buffer);
1262         usb_free_urb(usb->intr_urb);
1263
1264         kfree(go->hpi_context);
1265
1266         go7007_remove(go);
1267 }
1268
1269 static struct usb_driver go7007_usb_driver = {
1270         .name           = "go7007",
1271         .probe          = go7007_usb_probe,
1272         .disconnect     = go7007_usb_disconnect,
1273         .id_table       = go7007_usb_id_table,
1274 };
1275
1276 static int __init go7007_usb_init(void)
1277 {
1278         return usb_register(&go7007_usb_driver);
1279 }
1280
1281 static void __exit go7007_usb_cleanup(void)
1282 {
1283         usb_deregister(&go7007_usb_driver);
1284 }
1285
1286 module_init(go7007_usb_init);
1287 module_exit(go7007_usb_cleanup);
1288
1289 MODULE_LICENSE("GPL v2");