drivers/media/video/cx231xx/cx231xx-cards.c

   1 /*
   2    cx231xx-cards.c - driver for Conexant Cx23100/101/102
   3                                 USB video capture devices
   4
   5    Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
   6                                 Based on em28xx driver
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include <linux/init.h>
  24 #include <linux/module.h>
  25 #include <linux/slab.h>
  26 #include <linux/delay.h>
  27 #include <linux/i2c.h>
  28 #include <linux/usb.h>
  29 #include <media/tuner.h>
  30 #include <media/tveeprom.h>
  31 #include <media/v4l2-common.h>
  32 #include <media/v4l2-chip-ident.h>
  33
  34 #include <media/cx25840.h>
  35 #include "dvb-usb-ids.h"
  36 #include "xc5000.h"
  37 #include "tda18271.h"
  38
  39 #include "cx231xx.h"
  40
  41 static int tuner = -1;
  42 module_param(tuner, int, 0444);
  43 MODULE_PARM_DESC(tuner, "tuner type");
  44
  45 static int transfer_mode = 1;
  46 module_param(transfer_mode, int, 0444);
  47 MODULE_PARM_DESC(transfer_mode, "transfer mode (1-ISO or 0-BULK)");
  48
  49 static unsigned int disable_ir;
  50 module_param(disable_ir, int, 0444);
  51 MODULE_PARM_DESC(disable_ir, "disable infrared remote support");
  52
  53 /* Bitmask marking allocated devices from 0 to CX231XX_MAXBOARDS */
  54 static unsigned long cx231xx_devused;
  55
  56 /*
  57  *  Reset sequences for analog/digital modes
  58  */
  59
  60 static struct cx231xx_reg_seq RDE250_XCV_TUNER[] = {
  61         {0x03, 0x01, 10},
  62         {0x03, 0x00, 30},
  63         {0x03, 0x01, 10},
  64         {-1, -1, -1},
  65 };
  66
  67 /*
  68  *  Board definitions
  69  */
  70 struct cx231xx_board cx231xx_boards[] = {
  71         [CX231XX_BOARD_UNKNOWN] = {
  72                 .name = "Unknown CX231xx video grabber",
  73                 .tuner_type = TUNER_ABSENT,
  74                 .input = {{
  75                                 .type = CX231XX_VMUX_TELEVISION,
  76                                 .vmux = CX231XX_VIN_3_1,
  77                                 .amux = CX231XX_AMUX_VIDEO,
  78                                 .gpio = NULL,
  79                         }, {
  80                                 .type = CX231XX_VMUX_COMPOSITE1,
  81                                 .vmux = CX231XX_VIN_2_1,
  82                                 .amux = CX231XX_AMUX_LINE_IN,
  83                                 .gpio = NULL,
  84                         }, {
  85                                 .type = CX231XX_VMUX_SVIDEO,
  86                                 .vmux = CX231XX_VIN_1_1 |
  87                                         (CX231XX_VIN_1_2 << 8) |
  88                                         CX25840_SVIDEO_ON,
  89                                 .amux = CX231XX_AMUX_LINE_IN,
  90                                 .gpio = NULL,
  91                         }
  92                 },
  93         },
  94         [CX231XX_BOARD_CNXT_CARRAERA] = {
  95                 .name = "Conexant Hybrid TV - CARRAERA",
  96                 .tuner_type = TUNER_XC5000,
  97                 .tuner_addr = 0x61,
  98                 .tuner_gpio = RDE250_XCV_TUNER,
  99                 .tuner_sif_gpio = 0x05,
 100                 .tuner_scl_gpio = 0x1a,
 101                 .tuner_sda_gpio = 0x1b,
 102                 .decoder = CX231XX_AVDECODER,
 103                 .output_mode = OUT_MODE_VIP11,
 104                 .demod_xfer_mode = 0,
 105                 .ctl_pin_status_mask = 0xFFFFFFC4,
 106                 .agc_analog_digital_select_gpio = 0x0c,
 107                 .gpio_pin_status_mask = 0x4001000,
 108                 .tuner_i2c_master = 1,
 109                 .demod_i2c_master = 2,
 110                 .has_dvb = 1,
 111                 .demod_addr = 0x02,
 112                 .norm = V4L2_STD_PAL,
 113
 114                 .input = {{
 115                                 .type = CX231XX_VMUX_TELEVISION,
 116                                 .vmux = CX231XX_VIN_3_1,
 117                                 .amux = CX231XX_AMUX_VIDEO,
 118                                 .gpio = NULL,
 119                         }, {
 120                                 .type = CX231XX_VMUX_COMPOSITE1,
 121                                 .vmux = CX231XX_VIN_2_1,
 122                                 .amux = CX231XX_AMUX_LINE_IN,
 123                                 .gpio = NULL,
 124                         }, {
 125                                 .type = CX231XX_VMUX_SVIDEO,
 126                                 .vmux = CX231XX_VIN_1_1 |
 127                                         (CX231XX_VIN_1_2 << 8) |
 128                                         CX25840_SVIDEO_ON,
 129                                 .amux = CX231XX_AMUX_LINE_IN,
 130                                 .gpio = NULL,
 131                         }
 132                 },
 133         },
 134         [CX231XX_BOARD_CNXT_SHELBY] = {
 135                 .name = "Conexant Hybrid TV - SHELBY",
 136                 .tuner_type = TUNER_XC5000,
 137                 .tuner_addr = 0x61,
 138                 .tuner_gpio = RDE250_XCV_TUNER,
 139                 .tuner_sif_gpio = 0x05,
 140                 .tuner_scl_gpio = 0x1a,
 141                 .tuner_sda_gpio = 0x1b,
 142                 .decoder = CX231XX_AVDECODER,
 143                 .output_mode = OUT_MODE_VIP11,
 144                 .demod_xfer_mode = 0,
 145                 .ctl_pin_status_mask = 0xFFFFFFC4,
 146                 .agc_analog_digital_select_gpio = 0x0c,
 147                 .gpio_pin_status_mask = 0x4001000,
 148                 .tuner_i2c_master = 1,
 149                 .demod_i2c_master = 2,
 150                 .has_dvb = 1,
 151                 .demod_addr = 0x32,
 152                 .norm = V4L2_STD_NTSC,
 153
 154                 .input = {{
 155                                 .type = CX231XX_VMUX_TELEVISION,
 156                                 .vmux = CX231XX_VIN_3_1,
 157                                 .amux = CX231XX_AMUX_VIDEO,
 158                                 .gpio = NULL,
 159                         }, {
 160                                 .type = CX231XX_VMUX_COMPOSITE1,
 161                                 .vmux = CX231XX_VIN_2_1,
 162                                 .amux = CX231XX_AMUX_LINE_IN,
 163                                 .gpio = NULL,
 164                         }, {
 165                                 .type = CX231XX_VMUX_SVIDEO,
 166                                 .vmux = CX231XX_VIN_1_1 |
 167                                         (CX231XX_VIN_1_2 << 8) |
 168                                         CX25840_SVIDEO_ON,
 169                                 .amux = CX231XX_AMUX_LINE_IN,
 170                                 .gpio = NULL,
 171                         }
 172                 },
 173         },
 174         [CX231XX_BOARD_CNXT_RDE_253S] = {
 175                 .name = "Conexant Hybrid TV - RDE253S",
 176                 .tuner_type = TUNER_NXP_TDA18271,
 177                 .tuner_addr = 0x60,
 178                 .tuner_gpio = RDE250_XCV_TUNER,
 179                 .tuner_sif_gpio = 0x05,
 180                 .tuner_scl_gpio = 0x1a,
 181                 .tuner_sda_gpio = 0x1b,
 182                 .decoder = CX231XX_AVDECODER,
 183                 .output_mode = OUT_MODE_VIP11,
 184                 .demod_xfer_mode = 0,
 185                 .ctl_pin_status_mask = 0xFFFFFFC4,
 186                 .agc_analog_digital_select_gpio = 0x1c,
 187                 .gpio_pin_status_mask = 0x4001000,
 188                 .tuner_i2c_master = 1,
 189                 .demod_i2c_master = 2,
 190                 .has_dvb = 1,
 191                 .demod_addr = 0x02,
 192                 .norm = V4L2_STD_PAL,
 193
 194                 .input = {{
 195                                 .type = CX231XX_VMUX_TELEVISION,
 196                                 .vmux = CX231XX_VIN_3_1,
 197                                 .amux = CX231XX_AMUX_VIDEO,
 198                                 .gpio = NULL,
 199                         }, {
 200                                 .type = CX231XX_VMUX_COMPOSITE1,
 201                                 .vmux = CX231XX_VIN_2_1,
 202                                 .amux = CX231XX_AMUX_LINE_IN,
 203                                 .gpio = NULL,
 204                         }, {
 205                                 .type = CX231XX_VMUX_SVIDEO,
 206                                 .vmux = CX231XX_VIN_1_1 |
 207                                         (CX231XX_VIN_1_2 << 8) |
 208                                         CX25840_SVIDEO_ON,
 209                                 .amux = CX231XX_AMUX_LINE_IN,
 210                                 .gpio = NULL,
 211                         }
 212                 },
 213         },
 214
 215         [CX231XX_BOARD_CNXT_RDU_253S] = {
 216                 .name = "Conexant Hybrid TV - RDU253S",
 217                 .tuner_type = TUNER_NXP_TDA18271,
 218                 .tuner_addr = 0x60,
 219                 .tuner_gpio = RDE250_XCV_TUNER,
 220                 .tuner_sif_gpio = 0x05,
 221                 .tuner_scl_gpio = 0x1a,
 222                 .tuner_sda_gpio = 0x1b,
 223                 .decoder = CX231XX_AVDECODER,
 224                 .output_mode = OUT_MODE_VIP11,
 225                 .demod_xfer_mode = 0,
 226                 .ctl_pin_status_mask = 0xFFFFFFC4,
 227                 .agc_analog_digital_select_gpio = 0x1c,
 228                 .gpio_pin_status_mask = 0x4001000,
 229                 .tuner_i2c_master = 1,
 230                 .demod_i2c_master = 2,
 231                 .has_dvb = 1,
 232                 .demod_addr = 0x02,
 233                 .norm = V4L2_STD_PAL,
 234
 235                 .input = {{
 236                                 .type = CX231XX_VMUX_TELEVISION,
 237                                 .vmux = CX231XX_VIN_3_1,
 238                                 .amux = CX231XX_AMUX_VIDEO,
 239                                 .gpio = NULL,
 240                         }, {
 241                                 .type = CX231XX_VMUX_COMPOSITE1,
 242                                 .vmux = CX231XX_VIN_2_1,
 243                                 .amux = CX231XX_AMUX_LINE_IN,
 244                                 .gpio = NULL,
 245                         }, {
 246                                 .type = CX231XX_VMUX_SVIDEO,
 247                                 .vmux = CX231XX_VIN_1_1 |
 248                                         (CX231XX_VIN_1_2 << 8) |
 249                                         CX25840_SVIDEO_ON,
 250                                 .amux = CX231XX_AMUX_LINE_IN,
 251                                 .gpio = NULL,
 252                         }
 253                 },
 254         },
 255         [CX231XX_BOARD_CNXT_VIDEO_GRABBER] = {
 256                 .name = "Conexant VIDEO GRABBER",
 257                 .tuner_type = TUNER_ABSENT,
 258                 .decoder = CX231XX_AVDECODER,
 259                 .output_mode = OUT_MODE_VIP11,
 260                 .ctl_pin_status_mask = 0xFFFFFFC4,
 261                 .agc_analog_digital_select_gpio = 0x1c,
 262                 .gpio_pin_status_mask = 0x4001000,
 263                 .norm = V4L2_STD_PAL,
 264
 265                 .input = {{
 266                                 .type = CX231XX_VMUX_COMPOSITE1,
 267                                 .vmux = CX231XX_VIN_2_1,
 268                                 .amux = CX231XX_AMUX_LINE_IN,
 269                                 .gpio = NULL,
 270                         }, {
 271                                 .type = CX231XX_VMUX_SVIDEO,
 272                                 .vmux = CX231XX_VIN_1_1 |
 273                                         (CX231XX_VIN_1_2 << 8) |
 274                                         CX25840_SVIDEO_ON,
 275                                 .amux = CX231XX_AMUX_LINE_IN,
 276                                 .gpio = NULL,
 277                         }
 278                 },
 279         },
 280         [CX231XX_BOARD_CNXT_RDE_250] = {
 281                 .name = "Conexant Hybrid TV - rde 250",
 282                 .tuner_type = TUNER_XC5000,
 283                 .tuner_addr = 0x61,
 284                 .tuner_gpio = RDE250_XCV_TUNER,
 285                 .tuner_sif_gpio = 0x05,
 286                 .tuner_scl_gpio = 0x1a,
 287                 .tuner_sda_gpio = 0x1b,
 288                 .decoder = CX231XX_AVDECODER,
 289                 .output_mode = OUT_MODE_VIP11,
 290                 .demod_xfer_mode = 0,
 291                 .ctl_pin_status_mask = 0xFFFFFFC4,
 292                 .agc_analog_digital_select_gpio = 0x0c,
 293                 .gpio_pin_status_mask = 0x4001000,
 294                 .tuner_i2c_master = 1,
 295                 .demod_i2c_master = 2,
 296                 .has_dvb = 1,
 297                 .demod_addr = 0x02,
 298                 .norm = V4L2_STD_PAL,
 299
 300                 .input = {{
 301                                 .type = CX231XX_VMUX_TELEVISION,
 302                                 .vmux = CX231XX_VIN_2_1,
 303                                 .amux = CX231XX_AMUX_VIDEO,
 304                                 .gpio = NULL,
 305                         }
 306                 },
 307         },
 308         [CX231XX_BOARD_CNXT_RDU_250] = {
 309                 .name = "Conexant Hybrid TV - RDU 250",
 310                 .tuner_type = TUNER_XC5000,
 311                 .tuner_addr = 0x61,
 312                 .tuner_gpio = RDE250_XCV_TUNER,
 313                 .tuner_sif_gpio = 0x05,
 314                 .tuner_scl_gpio = 0x1a,
 315                 .tuner_sda_gpio = 0x1b,
 316                 .decoder = CX231XX_AVDECODER,
 317                 .output_mode = OUT_MODE_VIP11,
 318                 .demod_xfer_mode = 0,
 319                 .ctl_pin_status_mask = 0xFFFFFFC4,
 320                 .agc_analog_digital_select_gpio = 0x0c,
 321                 .gpio_pin_status_mask = 0x4001000,
 322                 .tuner_i2c_master = 1,
 323                 .demod_i2c_master = 2,
 324                 .has_dvb = 1,
 325                 .demod_addr = 0x32,
 326                 .norm = V4L2_STD_NTSC,
 327
 328                 .input = {{
 329                                 .type = CX231XX_VMUX_TELEVISION,
 330                                 .vmux = CX231XX_VIN_2_1,
 331                                 .amux = CX231XX_AMUX_VIDEO,
 332                                 .gpio = NULL,
 333                         }
 334                 },
 335         },
 336         [CX231XX_BOARD_HAUPPAUGE_EXETER] = {
 337                 .name = "Hauppauge EXETER",
 338                 .tuner_type = TUNER_NXP_TDA18271,
 339                 .tuner_addr = 0x60,
 340                 .tuner_gpio = RDE250_XCV_TUNER,
 341                 .tuner_sif_gpio = 0x05,
 342                 .tuner_scl_gpio = 0x1a,
 343                 .tuner_sda_gpio = 0x1b,
 344                 .decoder = CX231XX_AVDECODER,
 345                 .output_mode = OUT_MODE_VIP11,
 346                 .demod_xfer_mode = 0,
 347                 .ctl_pin_status_mask = 0xFFFFFFC4,
 348                 .agc_analog_digital_select_gpio = 0x0c,
 349                 .gpio_pin_status_mask = 0x4001000,
 350                 .tuner_i2c_master = 1,
 351                 .demod_i2c_master = 2,
 352                 .has_dvb = 1,
 353                 .demod_addr = 0x0e,
 354                 .norm = V4L2_STD_NTSC,
 355
 356                 .input = {{
 357                         .type = CX231XX_VMUX_TELEVISION,
 358                         .vmux = CX231XX_VIN_3_1,
 359                         .amux = CX231XX_AMUX_VIDEO,
 360                         .gpio = 0,
 361                 }, {
 362                         .type = CX231XX_VMUX_COMPOSITE1,
 363                         .vmux = CX231XX_VIN_2_1,
 364                         .amux = CX231XX_AMUX_LINE_IN,
 365                         .gpio = 0,
 366                 }, {
 367                         .type = CX231XX_VMUX_SVIDEO,
 368                         .vmux = CX231XX_VIN_1_1 |
 369                                 (CX231XX_VIN_1_2 << 8) |
 370                                 CX25840_SVIDEO_ON,
 371                         .amux = CX231XX_AMUX_LINE_IN,
 372                         .gpio = 0,
 373                 } },
 374         },
 375         [CX231XX_BOARD_HAUPPAUGE_USBLIVE2] = {
 376                 .name = "Hauppauge USB Live 2",
 377                 .tuner_type = TUNER_ABSENT,
 378                 .decoder = CX231XX_AVDECODER,
 379                 .output_mode = OUT_MODE_VIP11,
 380                 .demod_xfer_mode = 0,
 381                 .ctl_pin_status_mask = 0xFFFFFFC4,
 382                 .agc_analog_digital_select_gpio = 0x0c,
 383                 .gpio_pin_status_mask = 0x4001000,
 384                 .norm = V4L2_STD_NTSC,
 385                 .input = {{
 386                         .type = CX231XX_VMUX_COMPOSITE1,
 387                         .vmux = CX231XX_VIN_2_1,
 388                         .amux = CX231XX_AMUX_LINE_IN,
 389                         .gpio = 0,
 390                 }, {
 391                         .type = CX231XX_VMUX_SVIDEO,
 392                         .vmux = CX231XX_VIN_1_1 |
 393                                 (CX231XX_VIN_1_2 << 8) |
 394                                 CX25840_SVIDEO_ON,
 395                         .amux = CX231XX_AMUX_LINE_IN,
 396                         .gpio = 0,
 397                 } },
 398         },
 399         [CX231XX_BOARD_PV_PLAYTV_USB_HYBRID] = {
 400                 .name = "Pixelview PlayTV USB Hybrid",
 401                 .tuner_type = TUNER_NXP_TDA18271,
 402                 .tuner_addr = 0x60,
 403                 .decoder = CX231XX_AVDECODER,
 404                 .output_mode = OUT_MODE_VIP11,
 405                 .demod_xfer_mode = 0,
 406                 .ctl_pin_status_mask = 0xFFFFFFC4,
 407                 .agc_analog_digital_select_gpio = 0x00, /* According with PV cxPolaris.inf file */
 408                 .tuner_sif_gpio = -1,
 409                 .tuner_scl_gpio = -1,
 410                 .tuner_sda_gpio = -1,
 411                 .gpio_pin_status_mask = 0x4001000,
 412                 .tuner_i2c_master = 2,
 413                 .demod_i2c_master = 1,
 414                 .ir_i2c_master = 2,
 415                 .rc_map_name = RC_MAP_PIXELVIEW_002T,
 416                 .has_dvb = 1,
 417                 .demod_addr = 0x10,
 418                 .norm = V4L2_STD_PAL_M,
 419                 .input = {{
 420                         .type = CX231XX_VMUX_TELEVISION,
 421                         .vmux = CX231XX_VIN_3_1,
 422                         .amux = CX231XX_AMUX_VIDEO,
 423                         .gpio = 0,
 424                 }, {
 425                         .type = CX231XX_VMUX_COMPOSITE1,
 426                         .vmux = CX231XX_VIN_2_1,
 427                         .amux = CX231XX_AMUX_LINE_IN,
 428                         .gpio = 0,
 429                 }, {
 430                         .type = CX231XX_VMUX_SVIDEO,
 431                         .vmux = CX231XX_VIN_1_1 |
 432                                 (CX231XX_VIN_1_2 << 8) |
 433                                 CX25840_SVIDEO_ON,
 434                         .amux = CX231XX_AMUX_LINE_IN,
 435                         .gpio = 0,
 436                 } },
 437         },
 438 };
 439 const unsigned int cx231xx_bcount = ARRAY_SIZE(cx231xx_boards);
 440
 441 /* table of devices that work with this driver */
 442 struct usb_device_id cx231xx_id_table[] = {
 443         {USB_DEVICE(0x0572, 0x5A3C),
 444          .driver_info = CX231XX_BOARD_UNKNOWN},
 445         {USB_DEVICE(0x0572, 0x58A2),
 446          .driver_info = CX231XX_BOARD_CNXT_CARRAERA},
 447         {USB_DEVICE(0x0572, 0x58A1),
 448          .driver_info = CX231XX_BOARD_CNXT_SHELBY},
 449         {USB_DEVICE(0x0572, 0x58A4),
 450          .driver_info = CX231XX_BOARD_CNXT_RDE_253S},
 451         {USB_DEVICE(0x0572, 0x58A5),
 452          .driver_info = CX231XX_BOARD_CNXT_RDU_253S},
 453         {USB_DEVICE(0x0572, 0x58A6),
 454          .driver_info = CX231XX_BOARD_CNXT_VIDEO_GRABBER},
 455         {USB_DEVICE(0x0572, 0x589E),
 456          .driver_info = CX231XX_BOARD_CNXT_RDE_250},
 457         {USB_DEVICE(0x0572, 0x58A0),
 458          .driver_info = CX231XX_BOARD_CNXT_RDU_250},
 459         {USB_DEVICE(0x2040, 0xb120),
 460          .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
 461         {USB_DEVICE(0x2040, 0xb140),
 462          .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
 463         {USB_DEVICE(0x2040, 0xc200),
 464          .driver_info = CX231XX_BOARD_HAUPPAUGE_USBLIVE2},
 465         {USB_DEVICE_VER(USB_VID_PIXELVIEW, USB_PID_PIXELVIEW_SBTVD, 0x4000, 0x4001),
 466          .driver_info = CX231XX_BOARD_PV_PLAYTV_USB_HYBRID},
 467         {},
 468 };
 469
 470 MODULE_DEVICE_TABLE(usb, cx231xx_id_table);
 471
 472 /* cx231xx_tuner_callback
 473  * will be used to reset XC5000 tuner using GPIO pin
 474  */
 475
 476 int cx231xx_tuner_callback(void *ptr, int component, int command, int arg)
 477 {
 478         int rc = 0;
 479         struct cx231xx *dev = ptr;
 480
 481         if (dev->tuner_type == TUNER_XC5000) {
 482                 if (command == XC5000_TUNER_RESET) {
 483                         cx231xx_info
 484                                 ("Tuner CB: RESET: cmd %d : tuner type %d \n",
 485                                  command, dev->tuner_type);
 486                         cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
 487                                                1);
 488                         msleep(10);
 489                         cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
 490                                                0);
 491                         msleep(330);
 492                         cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
 493                                                1);
 494                         msleep(10);
 495                 }
 496         } else if (dev->tuner_type == TUNER_NXP_TDA18271) {
 497                 switch (command) {
 498                 case TDA18271_CALLBACK_CMD_AGC_ENABLE:
 499                         if (dev->model == CX231XX_BOARD_PV_PLAYTV_USB_HYBRID)
 500                                 rc = cx231xx_set_agc_analog_digital_mux_select(dev, arg);
 501                         break;
 502                 default:
 503                         rc = -EINVAL;
 504                         break;
 505                 }
 506         }
 507         return rc;
 508 }
 509 EXPORT_SYMBOL_GPL(cx231xx_tuner_callback);
 510
 511 void cx231xx_reset_out(struct cx231xx *dev)
 512 {
 513         cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
 514         msleep(200);
 515         cx231xx_set_gpio_value(dev, CX23417_RESET, 0);
 516         msleep(200);
 517         cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
 518 }
 519 void cx231xx_enable_OSC(struct cx231xx *dev)
 520 {
 521         cx231xx_set_gpio_value(dev, CX23417_OSC_EN, 1);
 522 }
 523 void cx231xx_sleep_s5h1432(struct cx231xx *dev)
 524 {
 525         cx231xx_set_gpio_value(dev, SLEEP_S5H1432, 0);
 526 }
 527
 528 static inline void cx231xx_set_model(struct cx231xx *dev)
 529 {
 530         memcpy(&dev->board, &cx231xx_boards[dev->model], sizeof(dev->board));
 531 }
 532
 533 /* Since cx231xx_pre_card_setup() requires a proper dev->model,
 534  * this won't work for boards with generic PCI IDs
 535  */
 536 void cx231xx_pre_card_setup(struct cx231xx *dev)
 537 {
 538
 539         cx231xx_set_model(dev);
 540
 541         cx231xx_info("Identified as %s (card=%d)\n",
 542                      dev->board.name, dev->model);
 543
 544         /* set the direction for GPIO pins */
 545         if (dev->board.tuner_gpio) {
 546                 cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1);
 547                 cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1);
 548         }
 549         if (dev->board.tuner_sif_gpio >= 0)
 550                 cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1);
 551
 552         /* request some modules if any required */
 553
 554         /* set the mode to Analog mode initially */
 555         cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
 556
 557         /* Unlock device */
 558         /* cx231xx_set_mode(dev, CX231XX_SUSPEND); */
 559
 560 }
 561
 562 static void cx231xx_config_tuner(struct cx231xx *dev)
 563 {
 564         struct tuner_setup tun_setup;
 565         struct v4l2_frequency f;
 566
 567         if (dev->tuner_type == TUNER_ABSENT)
 568                 return;
 569
 570         tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
 571         tun_setup.type = dev->tuner_type;
 572         tun_setup.addr = dev->tuner_addr;
 573         tun_setup.tuner_callback = cx231xx_tuner_callback;
 574
 575         tuner_call(dev, tuner, s_type_addr, &tun_setup);
 576
 577 #if 0
 578         if (tun_setup.type == TUNER_XC5000) {
 579                 static struct xc2028_ctrl ctrl = {
 580                         .fname = XC5000_DEFAULT_FIRMWARE,
 581                         .max_len = 64,
 582                         .demod = 0;
 583                 };
 584                 struct v4l2_priv_tun_config cfg = {
 585                         .tuner = dev->tuner_type,
 586                         .priv = &ctrl,
 587                 };
 588                 tuner_call(dev, tuner, s_config, &cfg);
 589         }
 590 #endif
 591         /* configure tuner */
 592         f.tuner = 0;
 593         f.type = V4L2_TUNER_ANALOG_TV;
 594         f.frequency = 9076;     /* just a magic number */
 595         dev->ctl_freq = f.frequency;
 596         call_all(dev, tuner, s_frequency, &f);
 597
 598 }
 599
 600 void cx231xx_card_setup(struct cx231xx *dev)
 601 {
 602
 603         cx231xx_set_model(dev);
 604
 605         dev->tuner_type = cx231xx_boards[dev->model].tuner_type;
 606         if (cx231xx_boards[dev->model].tuner_addr)
 607                 dev->tuner_addr = cx231xx_boards[dev->model].tuner_addr;
 608
 609         /* request some modules */
 610         if (dev->board.decoder == CX231XX_AVDECODER) {
 611                 dev->sd_cx25840 = v4l2_i2c_new_subdev(&dev->v4l2_dev,
 612                                         &dev->i2c_bus[0].i2c_adap,
 613                                         "cx25840", 0x88 >> 1, NULL);
 614                 if (dev->sd_cx25840 == NULL)
 615                         cx231xx_info("cx25840 subdev registration failure\n");
 616                 cx25840_call(dev, core, load_fw);
 617
 618         }
 619
 620         /* Initialize the tuner */
 621         if (dev->board.tuner_type != TUNER_ABSENT) {
 622                 dev->sd_tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev,
 623                                                     &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap,
 624                                                     "tuner",
 625                                                     dev->tuner_addr, NULL);
 626                 if (dev->sd_tuner == NULL)
 627                         cx231xx_info("tuner subdev registration failure\n");
 628                 else
 629                         cx231xx_config_tuner(dev);
 630         }
 631 }
 632
 633 /*
 634  * cx231xx_config()
 635  * inits registers with sane defaults
 636  */
 637 int cx231xx_config(struct cx231xx *dev)
 638 {
 639         /* TBD need to add cx231xx specific code */
 640         dev->mute = 1;          /* maybe not the right place... */
 641         dev->volume = 0x1f;
 642
 643         return 0;
 644 }
 645
 646 /*
 647  * cx231xx_config_i2c()
 648  * configure i2c attached devices
 649  */
 650 void cx231xx_config_i2c(struct cx231xx *dev)
 651 {
 652         /* u32 input = INPUT(dev->video_input)->vmux; */
 653
 654         call_all(dev, video, s_stream, 1);
 655 }
 656
 657 /*
 658  * cx231xx_realease_resources()
 659  * unregisters the v4l2,i2c and usb devices
 660  * called when the device gets disconected or at module unload
 661 */
 662 void cx231xx_release_resources(struct cx231xx *dev)
 663 {
 664         cx231xx_release_analog_resources(dev);
 665
 666         cx231xx_remove_from_devlist(dev);
 667
 668         /* Release I2C buses */
 669         cx231xx_dev_uninit(dev);
 670
 671         cx231xx_ir_exit(dev);
 672
 673         usb_put_dev(dev->udev);
 674
 675         /* Mark device as unused */
 676         cx231xx_devused &= ~(1 << dev->devno);
 677 }
 678
 679 /*
 680  * cx231xx_init_dev()
 681  * allocates and inits the device structs, registers i2c bus and v4l device
 682  */
 683 static int cx231xx_init_dev(struct cx231xx **devhandle, struct usb_device *udev,
 684                             int minor)
 685 {
 686         struct cx231xx *dev = *devhandle;
 687         int retval = -ENOMEM;
 688         int errCode;
 689         unsigned int maxh, maxw;
 690
 691         dev->udev = udev;
 692         mutex_init(&dev->lock);
 693         mutex_init(&dev->ctrl_urb_lock);
 694         mutex_init(&dev->gpio_i2c_lock);
 695         mutex_init(&dev->i2c_lock);
 696
 697         spin_lock_init(&dev->video_mode.slock);
 698         spin_lock_init(&dev->vbi_mode.slock);
 699         spin_lock_init(&dev->sliced_cc_mode.slock);
 700
 701         init_waitqueue_head(&dev->open);
 702         init_waitqueue_head(&dev->wait_frame);
 703         init_waitqueue_head(&dev->wait_stream);
 704
 705         dev->cx231xx_read_ctrl_reg = cx231xx_read_ctrl_reg;
 706         dev->cx231xx_write_ctrl_reg = cx231xx_write_ctrl_reg;
 707         dev->cx231xx_send_usb_command = cx231xx_send_usb_command;
 708         dev->cx231xx_gpio_i2c_read = cx231xx_gpio_i2c_read;
 709         dev->cx231xx_gpio_i2c_write = cx231xx_gpio_i2c_write;
 710
 711         /* Query cx231xx to find what pcb config it is related to */
 712         initialize_cx231xx(dev);
 713
 714         /*To workaround error number=-71 on EP0 for VideoGrabber,
 715                  need set alt here.*/
 716         if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER ||
 717             dev->model == CX231XX_BOARD_HAUPPAUGE_USBLIVE2) {
 718                 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
 719                 cx231xx_set_alt_setting(dev, INDEX_VANC, 1);
 720         }
 721         /* Cx231xx pre card setup */
 722         cx231xx_pre_card_setup(dev);
 723
 724         errCode = cx231xx_config(dev);
 725         if (errCode) {
 726                 cx231xx_errdev("error configuring device\n");
 727                 return -ENOMEM;
 728         }
 729
 730         /* set default norm */
 731         dev->norm = dev->board.norm;
 732
 733         /* register i2c bus */
 734         errCode = cx231xx_dev_init(dev);
 735         if (errCode < 0) {
 736                 cx231xx_dev_uninit(dev);
 737                 cx231xx_errdev("%s: cx231xx_i2c_register - errCode [%d]!\n",
 738                                __func__, errCode);
 739                 return errCode;
 740         }
 741
 742         /* Do board specific init */
 743         cx231xx_card_setup(dev);
 744
 745         /* configure the device */
 746         cx231xx_config_i2c(dev);
 747
 748         maxw = norm_maxw(dev);
 749         maxh = norm_maxh(dev);
 750
 751         /* set default image size */
 752         dev->width = maxw;
 753         dev->height = maxh;
 754         dev->interlaced = 0;
 755         dev->video_input = 0;
 756
 757         errCode = cx231xx_config(dev);
 758         if (errCode < 0) {
 759                 cx231xx_errdev("%s: cx231xx_config - errCode [%d]!\n",
 760                                __func__, errCode);
 761                 return errCode;
 762         }
 763
 764         /* init video dma queues */
 765         INIT_LIST_HEAD(&dev->video_mode.vidq.active);
 766         INIT_LIST_HEAD(&dev->video_mode.vidq.queued);
 767
 768         /* init vbi dma queues */
 769         INIT_LIST_HEAD(&dev->vbi_mode.vidq.active);
 770         INIT_LIST_HEAD(&dev->vbi_mode.vidq.queued);
 771
 772         /* Reset other chips required if they are tied up with GPIO pins */
 773         cx231xx_add_into_devlist(dev);
 774
 775         if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) {
 776                 printk(KERN_INFO "attach 417 %d\n", dev->model);
 777                 if (cx231xx_417_register(dev) < 0) {
 778                         printk(KERN_ERR
 779                                 "%s() Failed to register 417 on VID_B\n",
 780                                __func__);
 781                 }
 782         }
 783
 784         retval = cx231xx_register_analog_devices(dev);
 785         if (retval < 0) {
 786                 cx231xx_release_resources(dev);
 787                 return retval;
 788         }
 789
 790         cx231xx_ir_init(dev);
 791
 792         cx231xx_init_extension(dev);
 793
 794         return 0;
 795 }
 796
 797 #if defined(CONFIG_MODULES) && defined(MODULE)
 798 static void request_module_async(struct work_struct *work)
 799 {
 800         struct cx231xx *dev = container_of(work,
 801                                            struct cx231xx, request_module_wk);
 802
 803         if (dev->has_alsa_audio)
 804                 request_module("cx231xx-alsa");
 805
 806         if (dev->board.has_dvb)
 807                 request_module("cx231xx-dvb");
 808
 809 }
 810
 811 static void request_modules(struct cx231xx *dev)
 812 {
 813         INIT_WORK(&dev->request_module_wk, request_module_async);
 814         schedule_work(&dev->request_module_wk);
 815 }
 816 #else
 817 #define request_modules(dev)
 818 #endif /* CONFIG_MODULES */
 819
 820 /*
 821  * cx231xx_usb_probe()
 822  * checks for supported devices
 823  */
 824 static int cx231xx_usb_probe(struct usb_interface *interface,
 825                              const struct usb_device_id *id)
 826 {
 827         struct usb_device *udev;
 828         struct usb_interface *uif;
 829         struct cx231xx *dev = NULL;
 830         int retval = -ENODEV;
 831         int nr = 0, ifnum;
 832         int i, isoc_pipe = 0;
 833         char *speed;
 834         char descr[255] = "";
 835         struct usb_interface *lif = NULL;
 836         struct usb_interface_assoc_descriptor *assoc_desc;
 837
 838         udev = usb_get_dev(interface_to_usbdev(interface));
 839         ifnum = interface->altsetting[0].desc.bInterfaceNumber;
 840
 841         if (ifnum == 1) {
 842                 /*
 843                  * Interface number 0 - IR interface
 844                  */
 845                 /* Check to see next free device and mark as used */
 846                 nr = find_first_zero_bit(&cx231xx_devused, CX231XX_MAXBOARDS);
 847                 cx231xx_devused |= 1 << nr;
 848
 849                 if (nr >= CX231XX_MAXBOARDS) {
 850                         cx231xx_err(DRIVER_NAME
 851                  ": Supports only %i cx231xx boards.\n", CX231XX_MAXBOARDS);
 852                         cx231xx_devused &= ~(1 << nr);
 853                         return -ENOMEM;
 854                 }
 855
 856                 /* allocate memory for our device state and initialize it */
 857                 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 858                 if (dev == NULL) {
 859                         cx231xx_err(DRIVER_NAME ": out of memory!\n");
 860                         cx231xx_devused &= ~(1 << nr);
 861                         return -ENOMEM;
 862                 }
 863
 864                 snprintf(dev->name, 29, "cx231xx #%d", nr);
 865                 dev->devno = nr;
 866                 dev->model = id->driver_info;
 867                 dev->video_mode.alt = -1;
 868                 dev->interface_count++;
 869
 870                 /* reset gpio dir and value */
 871                 dev->gpio_dir = 0;
 872                 dev->gpio_val = 0;
 873                 dev->xc_fw_load_done = 0;
 874                 dev->has_alsa_audio = 1;
 875                 dev->power_mode = -1;
 876                 atomic_set(&dev->devlist_count, 0);
 877
 878                 /* 0 - vbi ; 1 -sliced cc mode */
 879                 dev->vbi_or_sliced_cc_mode = 0;
 880
 881                 /* get maximum no.of IAD interfaces */
 882                 assoc_desc = udev->actconfig->intf_assoc[0];
 883                 dev->max_iad_interface_count = assoc_desc->bInterfaceCount;
 884
 885                 /* init CIR module TBD */
 886
 887                 /* store the current interface */
 888                 lif = interface;
 889
 890                 /*mode_tv: digital=1 or analog=0*/
 891                 dev->mode_tv = 0;
 892
 893                 dev->USE_ISO = transfer_mode;
 894
 895                 switch (udev->speed) {
 896                 case USB_SPEED_LOW:
 897                         speed = "1.5";
 898                         break;
 899                 case USB_SPEED_UNKNOWN:
 900                 case USB_SPEED_FULL:
 901                         speed = "12";
 902                         break;
 903                 case USB_SPEED_HIGH:
 904                         speed = "480";
 905                         break;
 906                 default:
 907                         speed = "unknown";
 908                 }
 909
 910                 if (udev->manufacturer)
 911                         strlcpy(descr, udev->manufacturer, sizeof(descr));
 912
 913                 if (udev->product) {
 914                         if (*descr)
 915                                 strlcat(descr, " ", sizeof(descr));
 916                         strlcat(descr, udev->product, sizeof(descr));
 917                 }
 918                 if (*descr)
 919                         strlcat(descr, " ", sizeof(descr));
 920
 921                 cx231xx_info("New device %s@ %s Mbps "
 922                      "(%04x:%04x) with %d interfaces\n",
 923                      descr,
 924                      speed,
 925                      le16_to_cpu(udev->descriptor.idVendor),
 926                      le16_to_cpu(udev->descriptor.idProduct),
 927                      dev->max_iad_interface_count);
 928
 929                 /* store the interface 0 back */
 930                 lif = udev->actconfig->interface[0];
 931
 932                 /* increment interface count */
 933                 dev->interface_count++;
 934
 935                 /* get device number */
 936                 nr = dev->devno;
 937
 938                 assoc_desc = udev->actconfig->intf_assoc[0];
 939                 if (assoc_desc->bFirstInterface != ifnum) {
 940                         cx231xx_err(DRIVER_NAME ": Not found "
 941                                     "matching IAD interface\n");
 942                         return -ENODEV;
 943                 }
 944         } else {
 945                 return -ENODEV;
 946         }
 947
 948         cx231xx_info("registering interface %d\n", ifnum);
 949
 950         /* save our data pointer in this interface device */
 951         usb_set_intfdata(lif, dev);
 952
 953         /*
 954          * AV device initialization - only done at the last interface
 955          */
 956
 957         /* Create v4l2 device */
 958         retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
 959         if (retval) {
 960                 cx231xx_errdev("v4l2_device_register failed\n");
 961                 cx231xx_devused &= ~(1 << nr);
 962                 kfree(dev);
 963                 dev = NULL;
 964                 return -EIO;
 965         }
 966         /* allocate device struct */
 967         retval = cx231xx_init_dev(&dev, udev, nr);
 968         if (retval) {
 969                 cx231xx_devused &= ~(1 << dev->devno);
 970                 v4l2_device_unregister(&dev->v4l2_dev);
 971                 kfree(dev);
 972                 dev = NULL;
 973                 usb_set_intfdata(lif, NULL);
 974
 975                 return retval;
 976         }
 977
 978         /* compute alternate max packet sizes for video */
 979         uif = udev->actconfig->interface[dev->current_pcb_config.
 980                        hs_config_info[0].interface_info.video_index + 1];
 981
 982         dev->video_mode.end_point_addr = le16_to_cpu(uif->altsetting[0].
 983                         endpoint[isoc_pipe].desc.bEndpointAddress);
 984
 985         dev->video_mode.num_alt = uif->num_altsetting;
 986         cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
 987                      dev->video_mode.end_point_addr,
 988                      dev->video_mode.num_alt);
 989         dev->video_mode.alt_max_pkt_size =
 990                 kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL);
 991
 992         if (dev->video_mode.alt_max_pkt_size == NULL) {
 993                 cx231xx_errdev("out of memory!\n");
 994                 cx231xx_devused &= ~(1 << nr);
 995                 v4l2_device_unregister(&dev->v4l2_dev);
 996                 kfree(dev);
 997                 dev = NULL;
 998                 return -ENOMEM;
 999         }
1000
1001         for (i = 0; i < dev->video_mode.num_alt; i++) {
1002                 u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1003                                 desc.wMaxPacketSize);
1004                 dev->video_mode.alt_max_pkt_size[i] =
1005                     (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1006                 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1007                              dev->video_mode.alt_max_pkt_size[i]);
1008         }
1009
1010         /* compute alternate max packet sizes for vbi */
1011         uif = udev->actconfig->interface[dev->current_pcb_config.
1012                                        hs_config_info[0].interface_info.
1013                                        vanc_index + 1];
1014
1015         dev->vbi_mode.end_point_addr =
1016             le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
1017                         bEndpointAddress);
1018
1019         dev->vbi_mode.num_alt = uif->num_altsetting;
1020         cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1021                      dev->vbi_mode.end_point_addr,
1022                      dev->vbi_mode.num_alt);
1023         dev->vbi_mode.alt_max_pkt_size =
1024             kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL);
1025
1026         if (dev->vbi_mode.alt_max_pkt_size == NULL) {
1027                 cx231xx_errdev("out of memory!\n");
1028                 cx231xx_devused &= ~(1 << nr);
1029                 v4l2_device_unregister(&dev->v4l2_dev);
1030                 kfree(dev);
1031                 dev = NULL;
1032                 return -ENOMEM;
1033         }
1034
1035         for (i = 0; i < dev->vbi_mode.num_alt; i++) {
1036                 u16 tmp =
1037                     le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1038                                 desc.wMaxPacketSize);
1039                 dev->vbi_mode.alt_max_pkt_size[i] =
1040                     (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1041                 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1042                              dev->vbi_mode.alt_max_pkt_size[i]);
1043         }
1044
1045         /* compute alternate max packet sizes for sliced CC */
1046         uif = udev->actconfig->interface[dev->current_pcb_config.
1047                                        hs_config_info[0].interface_info.
1048                                        hanc_index + 1];
1049
1050         dev->sliced_cc_mode.end_point_addr =
1051             le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
1052                         bEndpointAddress);
1053
1054         dev->sliced_cc_mode.num_alt = uif->num_altsetting;
1055         cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1056                      dev->sliced_cc_mode.end_point_addr,
1057                      dev->sliced_cc_mode.num_alt);
1058         dev->sliced_cc_mode.alt_max_pkt_size =
1059                 kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL);
1060
1061         if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) {
1062                 cx231xx_errdev("out of memory!\n");
1063                 cx231xx_devused &= ~(1 << nr);
1064                 v4l2_device_unregister(&dev->v4l2_dev);
1065                 kfree(dev);
1066                 dev = NULL;
1067                 return -ENOMEM;
1068         }
1069
1070         for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) {
1071                 u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1072                                 desc.wMaxPacketSize);
1073                 dev->sliced_cc_mode.alt_max_pkt_size[i] =
1074                     (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1075                 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1076                              dev->sliced_cc_mode.alt_max_pkt_size[i]);
1077         }
1078
1079         if (dev->current_pcb_config.ts1_source != 0xff) {
1080                 /* compute alternate max packet sizes for TS1 */
1081                 uif = udev->actconfig->interface[dev->current_pcb_config.
1082                                                hs_config_info[0].
1083                                                interface_info.
1084                                                ts1_index + 1];
1085
1086                 dev->ts1_mode.end_point_addr =
1087                     le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].
1088                                 desc.bEndpointAddress);
1089
1090                 dev->ts1_mode.num_alt = uif->num_altsetting;
1091                 cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1092                              dev->ts1_mode.end_point_addr,
1093                              dev->ts1_mode.num_alt);
1094                 dev->ts1_mode.alt_max_pkt_size =
1095                         kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL);
1096
1097                 if (dev->ts1_mode.alt_max_pkt_size == NULL) {
1098                         cx231xx_errdev("out of memory!\n");
1099                         cx231xx_devused &= ~(1 << nr);
1100                         v4l2_device_unregister(&dev->v4l2_dev);
1101                         kfree(dev);
1102                         dev = NULL;
1103                         return -ENOMEM;
1104                 }
1105
1106                 for (i = 0; i < dev->ts1_mode.num_alt; i++) {
1107                         u16 tmp = le16_to_cpu(uif->altsetting[i].
1108                                                 endpoint[isoc_pipe].desc.
1109                                                 wMaxPacketSize);
1110                         dev->ts1_mode.alt_max_pkt_size[i] =
1111                             (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1112                         cx231xx_info("Alternate setting %i, max size= %i\n", i,
1113                                      dev->ts1_mode.alt_max_pkt_size[i]);
1114                 }
1115         }
1116
1117         if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) {
1118                 cx231xx_enable_OSC(dev);
1119                 cx231xx_reset_out(dev);
1120                 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
1121         }
1122
1123         if (dev->model == CX231XX_BOARD_CNXT_RDE_253S)
1124                 cx231xx_sleep_s5h1432(dev);
1125
1126         /* load other modules required */
1127         request_modules(dev);
1128
1129         return 0;
1130 }
1131
1132 /*
1133  * cx231xx_usb_disconnect()
1134  * called when the device gets diconencted
1135  * video device will be unregistered on v4l2_close in case it is still open
1136  */
1137 static void cx231xx_usb_disconnect(struct usb_interface *interface)
1138 {
1139         struct cx231xx *dev;
1140
1141         dev = usb_get_intfdata(interface);
1142         usb_set_intfdata(interface, NULL);
1143
1144         if (!dev)
1145                 return;
1146
1147         if (!dev->udev)
1148                 return;
1149
1150         /* delete v4l2 device */
1151         v4l2_device_unregister(&dev->v4l2_dev);
1152
1153         /* wait until all current v4l2 io is finished then deallocate
1154            resources */
1155         mutex_lock(&dev->lock);
1156
1157         wake_up_interruptible_all(&dev->open);
1158
1159         if (dev->users) {
1160                 cx231xx_warn
1161                     ("device %s is open! Deregistration and memory "
1162                      "deallocation are deferred on close.\n",
1163                      video_device_node_name(dev->vdev));
1164
1165                 dev->state |= DEV_MISCONFIGURED;
1166                 if (dev->USE_ISO)
1167                         cx231xx_uninit_isoc(dev);
1168                 else
1169                         cx231xx_uninit_bulk(dev);
1170                 dev->state |= DEV_DISCONNECTED;
1171                 wake_up_interruptible(&dev->wait_frame);
1172                 wake_up_interruptible(&dev->wait_stream);
1173         } else {
1174                 dev->state |= DEV_DISCONNECTED;
1175                 cx231xx_release_resources(dev);
1176         }
1177
1178         cx231xx_close_extension(dev);
1179
1180         mutex_unlock(&dev->lock);
1181
1182         if (!dev->users) {
1183                 kfree(dev->video_mode.alt_max_pkt_size);
1184                 kfree(dev->vbi_mode.alt_max_pkt_size);
1185                 kfree(dev->sliced_cc_mode.alt_max_pkt_size);
1186                 kfree(dev->ts1_mode.alt_max_pkt_size);
1187                 kfree(dev);
1188                 dev = NULL;
1189         }
1190 }
1191
1192 static struct usb_driver cx231xx_usb_driver = {
1193         .name = "cx231xx",
1194         .probe = cx231xx_usb_probe,
1195         .disconnect = cx231xx_usb_disconnect,
1196         .id_table = cx231xx_id_table,
1197 };
1198
1199 static int __init cx231xx_module_init(void)
1200 {
1201         int result;
1202
1203         printk(KERN_INFO DRIVER_NAME " v4l2 driver loaded.\n");
1204
1205         /* register this driver with the USB subsystem */
1206         result = usb_register(&cx231xx_usb_driver);
1207         if (result)
1208                 cx231xx_err(DRIVER_NAME
1209                             " usb_register failed. Error number %d.\n", result);
1210
1211         return result;
1212 }
1213
1214 static void __exit cx231xx_module_exit(void)
1215 {
1216         /* deregister this driver with the USB subsystem */
1217         usb_deregister(&cx231xx_usb_driver);
1218 }
1219
1220 module_init(cx231xx_module_init);
1221 module_exit(cx231xx_module_exit);