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                 .no_alt_vanc = 1,
 265                 .external_av = 1,
 266                 .has_417 = 1,
 267
 268                 .input = {{
 269                                 .type = CX231XX_VMUX_COMPOSITE1,
 270                                 .vmux = CX231XX_VIN_2_1,
 271                                 .amux = CX231XX_AMUX_LINE_IN,
 272                                 .gpio = NULL,
 273                         }, {
 274                                 .type = CX231XX_VMUX_SVIDEO,
 275                                 .vmux = CX231XX_VIN_1_1 |
 276                                         (CX231XX_VIN_1_2 << 8) |
 277                                         CX25840_SVIDEO_ON,
 278                                 .amux = CX231XX_AMUX_LINE_IN,
 279                                 .gpio = NULL,
 280                         }
 281                 },
 282         },
 283         [CX231XX_BOARD_CNXT_RDE_250] = {
 284                 .name = "Conexant Hybrid TV - rde 250",
 285                 .tuner_type = TUNER_XC5000,
 286                 .tuner_addr = 0x61,
 287                 .tuner_gpio = RDE250_XCV_TUNER,
 288                 .tuner_sif_gpio = 0x05,
 289                 .tuner_scl_gpio = 0x1a,
 290                 .tuner_sda_gpio = 0x1b,
 291                 .decoder = CX231XX_AVDECODER,
 292                 .output_mode = OUT_MODE_VIP11,
 293                 .demod_xfer_mode = 0,
 294                 .ctl_pin_status_mask = 0xFFFFFFC4,
 295                 .agc_analog_digital_select_gpio = 0x0c,
 296                 .gpio_pin_status_mask = 0x4001000,
 297                 .tuner_i2c_master = 1,
 298                 .demod_i2c_master = 2,
 299                 .has_dvb = 1,
 300                 .demod_addr = 0x02,
 301                 .norm = V4L2_STD_PAL,
 302
 303                 .input = {{
 304                                 .type = CX231XX_VMUX_TELEVISION,
 305                                 .vmux = CX231XX_VIN_2_1,
 306                                 .amux = CX231XX_AMUX_VIDEO,
 307                                 .gpio = NULL,
 308                         }
 309                 },
 310         },
 311         [CX231XX_BOARD_CNXT_RDU_250] = {
 312                 .name = "Conexant Hybrid TV - RDU 250",
 313                 .tuner_type = TUNER_XC5000,
 314                 .tuner_addr = 0x61,
 315                 .tuner_gpio = RDE250_XCV_TUNER,
 316                 .tuner_sif_gpio = 0x05,
 317                 .tuner_scl_gpio = 0x1a,
 318                 .tuner_sda_gpio = 0x1b,
 319                 .decoder = CX231XX_AVDECODER,
 320                 .output_mode = OUT_MODE_VIP11,
 321                 .demod_xfer_mode = 0,
 322                 .ctl_pin_status_mask = 0xFFFFFFC4,
 323                 .agc_analog_digital_select_gpio = 0x0c,
 324                 .gpio_pin_status_mask = 0x4001000,
 325                 .tuner_i2c_master = 1,
 326                 .demod_i2c_master = 2,
 327                 .has_dvb = 1,
 328                 .demod_addr = 0x32,
 329                 .norm = V4L2_STD_NTSC,
 330
 331                 .input = {{
 332                                 .type = CX231XX_VMUX_TELEVISION,
 333                                 .vmux = CX231XX_VIN_2_1,
 334                                 .amux = CX231XX_AMUX_VIDEO,
 335                                 .gpio = NULL,
 336                         }
 337                 },
 338         },
 339         [CX231XX_BOARD_HAUPPAUGE_EXETER] = {
 340                 .name = "Hauppauge EXETER",
 341                 .tuner_type = TUNER_NXP_TDA18271,
 342                 .tuner_addr = 0x60,
 343                 .tuner_gpio = RDE250_XCV_TUNER,
 344                 .tuner_sif_gpio = 0x05,
 345                 .tuner_scl_gpio = 0x1a,
 346                 .tuner_sda_gpio = 0x1b,
 347                 .decoder = CX231XX_AVDECODER,
 348                 .output_mode = OUT_MODE_VIP11,
 349                 .demod_xfer_mode = 0,
 350                 .ctl_pin_status_mask = 0xFFFFFFC4,
 351                 .agc_analog_digital_select_gpio = 0x0c,
 352                 .gpio_pin_status_mask = 0x4001000,
 353                 .tuner_i2c_master = 1,
 354                 .demod_i2c_master = 2,
 355                 .has_dvb = 1,
 356                 .demod_addr = 0x0e,
 357                 .norm = V4L2_STD_NTSC,
 358
 359                 .input = {{
 360                         .type = CX231XX_VMUX_TELEVISION,
 361                         .vmux = CX231XX_VIN_3_1,
 362                         .amux = CX231XX_AMUX_VIDEO,
 363                         .gpio = NULL,
 364                 }, {
 365                         .type = CX231XX_VMUX_COMPOSITE1,
 366                         .vmux = CX231XX_VIN_2_1,
 367                         .amux = CX231XX_AMUX_LINE_IN,
 368                         .gpio = NULL,
 369                 }, {
 370                         .type = CX231XX_VMUX_SVIDEO,
 371                         .vmux = CX231XX_VIN_1_1 |
 372                                 (CX231XX_VIN_1_2 << 8) |
 373                                 CX25840_SVIDEO_ON,
 374                         .amux = CX231XX_AMUX_LINE_IN,
 375                         .gpio = NULL,
 376                 } },
 377         },
 378         [CX231XX_BOARD_HAUPPAUGE_USBLIVE2] = {
 379                 .name = "Hauppauge USB Live 2",
 380                 .tuner_type = TUNER_ABSENT,
 381                 .decoder = CX231XX_AVDECODER,
 382                 .output_mode = OUT_MODE_VIP11,
 383                 .demod_xfer_mode = 0,
 384                 .ctl_pin_status_mask = 0xFFFFFFC4,
 385                 .agc_analog_digital_select_gpio = 0x0c,
 386                 .gpio_pin_status_mask = 0x4001000,
 387                 .norm = V4L2_STD_NTSC,
 388                 .no_alt_vanc = 1,
 389                 .external_av = 1,
 390                 .input = {{
 391                         .type = CX231XX_VMUX_COMPOSITE1,
 392                         .vmux = CX231XX_VIN_2_1,
 393                         .amux = CX231XX_AMUX_LINE_IN,
 394                         .gpio = NULL,
 395                 }, {
 396                         .type = CX231XX_VMUX_SVIDEO,
 397                         .vmux = CX231XX_VIN_1_1 |
 398                                 (CX231XX_VIN_1_2 << 8) |
 399                                 CX25840_SVIDEO_ON,
 400                         .amux = CX231XX_AMUX_LINE_IN,
 401                         .gpio = NULL,
 402                 } },
 403         },
 404         [CX231XX_BOARD_PV_PLAYTV_USB_HYBRID] = {
 405                 .name = "Pixelview PlayTV USB Hybrid",
 406                 .tuner_type = TUNER_NXP_TDA18271,
 407                 .tuner_addr = 0x60,
 408                 .decoder = CX231XX_AVDECODER,
 409                 .output_mode = OUT_MODE_VIP11,
 410                 .demod_xfer_mode = 0,
 411                 .ctl_pin_status_mask = 0xFFFFFFC4,
 412                 .agc_analog_digital_select_gpio = 0x00, /* According with PV cxPolaris.inf file */
 413                 .tuner_sif_gpio = -1,
 414                 .tuner_scl_gpio = -1,
 415                 .tuner_sda_gpio = -1,
 416                 .gpio_pin_status_mask = 0x4001000,
 417                 .tuner_i2c_master = 2,
 418                 .demod_i2c_master = 1,
 419                 .ir_i2c_master = 2,
 420                 .rc_map_name = RC_MAP_PIXELVIEW_002T,
 421                 .has_dvb = 1,
 422                 .demod_addr = 0x10,
 423                 .norm = V4L2_STD_PAL_M,
 424                 .input = {{
 425                         .type = CX231XX_VMUX_TELEVISION,
 426                         .vmux = CX231XX_VIN_3_1,
 427                         .amux = CX231XX_AMUX_VIDEO,
 428                         .gpio = NULL,
 429                 }, {
 430                         .type = CX231XX_VMUX_COMPOSITE1,
 431                         .vmux = CX231XX_VIN_2_1,
 432                         .amux = CX231XX_AMUX_LINE_IN,
 433                         .gpio = NULL,
 434                 }, {
 435                         .type = CX231XX_VMUX_SVIDEO,
 436                         .vmux = CX231XX_VIN_1_1 |
 437                                 (CX231XX_VIN_1_2 << 8) |
 438                                 CX25840_SVIDEO_ON,
 439                         .amux = CX231XX_AMUX_LINE_IN,
 440                         .gpio = NULL,
 441                 } },
 442         },
 443         [CX231XX_BOARD_PV_XCAPTURE_USB] = {
 444                 .name = "Pixelview Xcapture USB",
 445                 .tuner_type = TUNER_ABSENT,
 446                 .decoder = CX231XX_AVDECODER,
 447                 .output_mode = OUT_MODE_VIP11,
 448                 .demod_xfer_mode = 0,
 449                 .ctl_pin_status_mask = 0xFFFFFFC4,
 450                 .agc_analog_digital_select_gpio = 0x0c,
 451                 .gpio_pin_status_mask = 0x4001000,
 452                 .norm = V4L2_STD_NTSC,
 453                 .no_alt_vanc = 1,
 454                 .external_av = 1,
 455                 .dont_use_port_3 = 1,
 456
 457                 .input = {{
 458                                 .type = CX231XX_VMUX_COMPOSITE1,
 459                                 .vmux = CX231XX_VIN_2_1,
 460                                 .amux = CX231XX_AMUX_LINE_IN,
 461                                 .gpio = NULL,
 462                         }, {
 463                                 .type = CX231XX_VMUX_SVIDEO,
 464                                 .vmux = CX231XX_VIN_1_1 |
 465                                         (CX231XX_VIN_1_2 << 8) |
 466                                         CX25840_SVIDEO_ON,
 467                                 .amux = CX231XX_AMUX_LINE_IN,
 468                                 .gpio = NULL,
 469                         }
 470                 },
 471         },
 472 };
 473 const unsigned int cx231xx_bcount = ARRAY_SIZE(cx231xx_boards);
 474
 475 /* table of devices that work with this driver */
 476 struct usb_device_id cx231xx_id_table[] = {
 477         {USB_DEVICE(0x0572, 0x5A3C),
 478          .driver_info = CX231XX_BOARD_UNKNOWN},
 479         {USB_DEVICE(0x0572, 0x58A2),
 480          .driver_info = CX231XX_BOARD_CNXT_CARRAERA},
 481         {USB_DEVICE(0x0572, 0x58A1),
 482          .driver_info = CX231XX_BOARD_CNXT_SHELBY},
 483         {USB_DEVICE(0x0572, 0x58A4),
 484          .driver_info = CX231XX_BOARD_CNXT_RDE_253S},
 485         {USB_DEVICE(0x0572, 0x58A5),
 486          .driver_info = CX231XX_BOARD_CNXT_RDU_253S},
 487         {USB_DEVICE(0x0572, 0x58A6),
 488          .driver_info = CX231XX_BOARD_CNXT_VIDEO_GRABBER},
 489         {USB_DEVICE(0x0572, 0x589E),
 490          .driver_info = CX231XX_BOARD_CNXT_RDE_250},
 491         {USB_DEVICE(0x0572, 0x58A0),
 492          .driver_info = CX231XX_BOARD_CNXT_RDU_250},
 493         {USB_DEVICE(0x2040, 0xb120),
 494          .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
 495         {USB_DEVICE(0x2040, 0xb140),
 496          .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
 497         {USB_DEVICE(0x2040, 0xc200),
 498          .driver_info = CX231XX_BOARD_HAUPPAUGE_USBLIVE2},
 499         {USB_DEVICE_VER(USB_VID_PIXELVIEW, USB_PID_PIXELVIEW_SBTVD, 0x4000, 0x4001),
 500          .driver_info = CX231XX_BOARD_PV_PLAYTV_USB_HYBRID},
 501         {USB_DEVICE(USB_VID_PIXELVIEW, 0x5014),
 502          .driver_info = CX231XX_BOARD_PV_XCAPTURE_USB},
 503         {},
 504 };
 505
 506 MODULE_DEVICE_TABLE(usb, cx231xx_id_table);
 507
 508 /* cx231xx_tuner_callback
 509  * will be used to reset XC5000 tuner using GPIO pin
 510  */
 511
 512 int cx231xx_tuner_callback(void *ptr, int component, int command, int arg)
 513 {
 514         int rc = 0;
 515         struct cx231xx *dev = ptr;
 516
 517         if (dev->tuner_type == TUNER_XC5000) {
 518                 if (command == XC5000_TUNER_RESET) {
 519                         cx231xx_info
 520                                 ("Tuner CB: RESET: cmd %d : tuner type %d \n",
 521                                  command, dev->tuner_type);
 522                         cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
 523                                                1);
 524                         msleep(10);
 525                         cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
 526                                                0);
 527                         msleep(330);
 528                         cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
 529                                                1);
 530                         msleep(10);
 531                 }
 532         } else if (dev->tuner_type == TUNER_NXP_TDA18271) {
 533                 switch (command) {
 534                 case TDA18271_CALLBACK_CMD_AGC_ENABLE:
 535                         if (dev->model == CX231XX_BOARD_PV_PLAYTV_USB_HYBRID)
 536                                 rc = cx231xx_set_agc_analog_digital_mux_select(dev, arg);
 537                         break;
 538                 default:
 539                         rc = -EINVAL;
 540                         break;
 541                 }
 542         }
 543         return rc;
 544 }
 545 EXPORT_SYMBOL_GPL(cx231xx_tuner_callback);
 546
 547 void cx231xx_reset_out(struct cx231xx *dev)
 548 {
 549         cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
 550         msleep(200);
 551         cx231xx_set_gpio_value(dev, CX23417_RESET, 0);
 552         msleep(200);
 553         cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
 554 }
 555 void cx231xx_enable_OSC(struct cx231xx *dev)
 556 {
 557         cx231xx_set_gpio_value(dev, CX23417_OSC_EN, 1);
 558 }
 559 void cx231xx_sleep_s5h1432(struct cx231xx *dev)
 560 {
 561         cx231xx_set_gpio_value(dev, SLEEP_S5H1432, 0);
 562 }
 563
 564 static inline void cx231xx_set_model(struct cx231xx *dev)
 565 {
 566         memcpy(&dev->board, &cx231xx_boards[dev->model], sizeof(dev->board));
 567 }
 568
 569 /* Since cx231xx_pre_card_setup() requires a proper dev->model,
 570  * this won't work for boards with generic PCI IDs
 571  */
 572 void cx231xx_pre_card_setup(struct cx231xx *dev)
 573 {
 574
 575         cx231xx_set_model(dev);
 576
 577         cx231xx_info("Identified as %s (card=%d)\n",
 578                      dev->board.name, dev->model);
 579
 580         /* set the direction for GPIO pins */
 581         if (dev->board.tuner_gpio) {
 582                 cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1);
 583                 cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1);
 584         }
 585         if (dev->board.tuner_sif_gpio >= 0)
 586                 cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1);
 587
 588         /* request some modules if any required */
 589
 590         /* set the mode to Analog mode initially */
 591         cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
 592
 593         /* Unlock device */
 594         /* cx231xx_set_mode(dev, CX231XX_SUSPEND); */
 595
 596 }
 597
 598 static void cx231xx_config_tuner(struct cx231xx *dev)
 599 {
 600         struct tuner_setup tun_setup;
 601         struct v4l2_frequency f;
 602
 603         if (dev->tuner_type == TUNER_ABSENT)
 604                 return;
 605
 606         tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
 607         tun_setup.type = dev->tuner_type;
 608         tun_setup.addr = dev->tuner_addr;
 609         tun_setup.tuner_callback = cx231xx_tuner_callback;
 610
 611         tuner_call(dev, tuner, s_type_addr, &tun_setup);
 612
 613 #if 0
 614         if (tun_setup.type == TUNER_XC5000) {
 615                 static struct xc2028_ctrl ctrl = {
 616                         .fname = XC5000_DEFAULT_FIRMWARE,
 617                         .max_len = 64,
 618                         .demod = 0;
 619                 };
 620                 struct v4l2_priv_tun_config cfg = {
 621                         .tuner = dev->tuner_type,
 622                         .priv = &ctrl,
 623                 };
 624                 tuner_call(dev, tuner, s_config, &cfg);
 625         }
 626 #endif
 627         /* configure tuner */
 628         f.tuner = 0;
 629         f.type = V4L2_TUNER_ANALOG_TV;
 630         f.frequency = 9076;     /* just a magic number */
 631         dev->ctl_freq = f.frequency;
 632         call_all(dev, tuner, s_frequency, &f);
 633
 634 }
 635
 636 void cx231xx_card_setup(struct cx231xx *dev)
 637 {
 638
 639         cx231xx_set_model(dev);
 640
 641         dev->tuner_type = cx231xx_boards[dev->model].tuner_type;
 642         if (cx231xx_boards[dev->model].tuner_addr)
 643                 dev->tuner_addr = cx231xx_boards[dev->model].tuner_addr;
 644
 645         /* request some modules */
 646         if (dev->board.decoder == CX231XX_AVDECODER) {
 647                 dev->sd_cx25840 = v4l2_i2c_new_subdev(&dev->v4l2_dev,
 648                                         &dev->i2c_bus[0].i2c_adap,
 649                                         "cx25840", 0x88 >> 1, NULL);
 650                 if (dev->sd_cx25840 == NULL)
 651                         cx231xx_info("cx25840 subdev registration failure\n");
 652                 cx25840_call(dev, core, load_fw);
 653
 654         }
 655
 656         /* Initialize the tuner */
 657         if (dev->board.tuner_type != TUNER_ABSENT) {
 658                 dev->sd_tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev,
 659                                                     &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap,
 660                                                     "tuner",
 661                                                     dev->tuner_addr, NULL);
 662                 if (dev->sd_tuner == NULL)
 663                         cx231xx_info("tuner subdev registration failure\n");
 664                 else
 665                         cx231xx_config_tuner(dev);
 666         }
 667 }
 668
 669 /*
 670  * cx231xx_config()
 671  * inits registers with sane defaults
 672  */
 673 int cx231xx_config(struct cx231xx *dev)
 674 {
 675         /* TBD need to add cx231xx specific code */
 676         dev->mute = 1;          /* maybe not the right place... */
 677         dev->volume = 0x1f;
 678
 679         return 0;
 680 }
 681
 682 /*
 683  * cx231xx_config_i2c()
 684  * configure i2c attached devices
 685  */
 686 void cx231xx_config_i2c(struct cx231xx *dev)
 687 {
 688         /* u32 input = INPUT(dev->video_input)->vmux; */
 689
 690         call_all(dev, video, s_stream, 1);
 691 }
 692
 693 /*
 694  * cx231xx_realease_resources()
 695  * unregisters the v4l2,i2c and usb devices
 696  * called when the device gets disconected or at module unload
 697 */
 698 void cx231xx_release_resources(struct cx231xx *dev)
 699 {
 700         cx231xx_release_analog_resources(dev);
 701
 702         cx231xx_remove_from_devlist(dev);
 703
 704         /* Release I2C buses */
 705         cx231xx_dev_uninit(dev);
 706
 707         cx231xx_ir_exit(dev);
 708
 709         usb_put_dev(dev->udev);
 710
 711         /* Mark device as unused */
 712         cx231xx_devused &= ~(1 << dev->devno);
 713 }
 714
 715 /*
 716  * cx231xx_init_dev()
 717  * allocates and inits the device structs, registers i2c bus and v4l device
 718  */
 719 static int cx231xx_init_dev(struct cx231xx **devhandle, struct usb_device *udev,
 720                             int minor)
 721 {
 722         struct cx231xx *dev = *devhandle;
 723         int retval = -ENOMEM;
 724         int errCode;
 725         unsigned int maxh, maxw;
 726
 727         dev->udev = udev;
 728         mutex_init(&dev->lock);
 729         mutex_init(&dev->ctrl_urb_lock);
 730         mutex_init(&dev->gpio_i2c_lock);
 731         mutex_init(&dev->i2c_lock);
 732
 733         spin_lock_init(&dev->video_mode.slock);
 734         spin_lock_init(&dev->vbi_mode.slock);
 735         spin_lock_init(&dev->sliced_cc_mode.slock);
 736
 737         init_waitqueue_head(&dev->open);
 738         init_waitqueue_head(&dev->wait_frame);
 739         init_waitqueue_head(&dev->wait_stream);
 740
 741         dev->cx231xx_read_ctrl_reg = cx231xx_read_ctrl_reg;
 742         dev->cx231xx_write_ctrl_reg = cx231xx_write_ctrl_reg;
 743         dev->cx231xx_send_usb_command = cx231xx_send_usb_command;
 744         dev->cx231xx_gpio_i2c_read = cx231xx_gpio_i2c_read;
 745         dev->cx231xx_gpio_i2c_write = cx231xx_gpio_i2c_write;
 746
 747         /* Query cx231xx to find what pcb config it is related to */
 748         initialize_cx231xx(dev);
 749
 750         /*To workaround error number=-71 on EP0 for VideoGrabber,
 751                  need set alt here.*/
 752         if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER ||
 753             dev->model == CX231XX_BOARD_HAUPPAUGE_USBLIVE2) {
 754                 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
 755                 cx231xx_set_alt_setting(dev, INDEX_VANC, 1);
 756         }
 757         /* Cx231xx pre card setup */
 758         cx231xx_pre_card_setup(dev);
 759
 760         errCode = cx231xx_config(dev);
 761         if (errCode) {
 762                 cx231xx_errdev("error configuring device\n");
 763                 return -ENOMEM;
 764         }
 765
 766         /* set default norm */
 767         dev->norm = dev->board.norm;
 768
 769         /* register i2c bus */
 770         errCode = cx231xx_dev_init(dev);
 771         if (errCode < 0) {
 772                 cx231xx_dev_uninit(dev);
 773                 cx231xx_errdev("%s: cx231xx_i2c_register - errCode [%d]!\n",
 774                                __func__, errCode);
 775                 return errCode;
 776         }
 777
 778         /* Do board specific init */
 779         cx231xx_card_setup(dev);
 780
 781         /* configure the device */
 782         cx231xx_config_i2c(dev);
 783
 784         maxw = norm_maxw(dev);
 785         maxh = norm_maxh(dev);
 786
 787         /* set default image size */
 788         dev->width = maxw;
 789         dev->height = maxh;
 790         dev->interlaced = 0;
 791         dev->video_input = 0;
 792
 793         errCode = cx231xx_config(dev);
 794         if (errCode < 0) {
 795                 cx231xx_errdev("%s: cx231xx_config - errCode [%d]!\n",
 796                                __func__, errCode);
 797                 return errCode;
 798         }
 799
 800         /* init video dma queues */
 801         INIT_LIST_HEAD(&dev->video_mode.vidq.active);
 802         INIT_LIST_HEAD(&dev->video_mode.vidq.queued);
 803
 804         /* init vbi dma queues */
 805         INIT_LIST_HEAD(&dev->vbi_mode.vidq.active);
 806         INIT_LIST_HEAD(&dev->vbi_mode.vidq.queued);
 807
 808         /* Reset other chips required if they are tied up with GPIO pins */
 809         cx231xx_add_into_devlist(dev);
 810
 811         if (dev->board.has_417) {
 812                 printk(KERN_INFO "attach 417 %d\n", dev->model);
 813                 if (cx231xx_417_register(dev) < 0) {
 814                         printk(KERN_ERR
 815                                 "%s() Failed to register 417 on VID_B\n",
 816                                __func__);
 817                 }
 818         }
 819
 820         retval = cx231xx_register_analog_devices(dev);
 821         if (retval < 0) {
 822                 cx231xx_release_resources(dev);
 823                 return retval;
 824         }
 825
 826         cx231xx_ir_init(dev);
 827
 828         cx231xx_init_extension(dev);
 829
 830         return 0;
 831 }
 832
 833 #if defined(CONFIG_MODULES) && defined(MODULE)
 834 static void request_module_async(struct work_struct *work)
 835 {
 836         struct cx231xx *dev = container_of(work,
 837                                            struct cx231xx, request_module_wk);
 838
 839         if (dev->has_alsa_audio)
 840                 request_module("cx231xx-alsa");
 841
 842         if (dev->board.has_dvb)
 843                 request_module("cx231xx-dvb");
 844
 845 }
 846
 847 static void request_modules(struct cx231xx *dev)
 848 {
 849         INIT_WORK(&dev->request_module_wk, request_module_async);
 850         schedule_work(&dev->request_module_wk);
 851 }
 852
 853 static void flush_request_modules(struct cx231xx *dev)
 854 {
 855         flush_work_sync(&dev->request_module_wk);
 856 }
 857 #else
 858 #define request_modules(dev)
 859 #define flush_request_modules(dev)
 860 #endif /* CONFIG_MODULES */
 861
 862 /*
 863  * cx231xx_usb_probe()
 864  * checks for supported devices
 865  */
 866 static int cx231xx_usb_probe(struct usb_interface *interface,
 867                              const struct usb_device_id *id)
 868 {
 869         struct usb_device *udev;
 870         struct usb_interface *uif;
 871         struct cx231xx *dev = NULL;
 872         int retval = -ENODEV;
 873         int nr = 0, ifnum;
 874         int i, isoc_pipe = 0;
 875         char *speed;
 876         char descr[255] = "";
 877         struct usb_interface *lif = NULL;
 878         struct usb_interface_assoc_descriptor *assoc_desc;
 879
 880         udev = usb_get_dev(interface_to_usbdev(interface));
 881         ifnum = interface->altsetting[0].desc.bInterfaceNumber;
 882
 883         /*
 884          * Interface number 0 - IR interface (handled by mceusb driver)
 885          * Interface number 1 - AV interface (handled by this driver)
 886          */
 887         if (ifnum != 1)
 888                 return -ENODEV;
 889
 890         /* Check to see next free device and mark as used */
 891         nr = find_first_zero_bit(&cx231xx_devused, CX231XX_MAXBOARDS);
 892         cx231xx_devused |= 1 << nr;
 893
 894         if (nr >= CX231XX_MAXBOARDS) {
 895                 cx231xx_err(DRIVER_NAME
 896                  ": Supports only %i cx231xx boards.\n", CX231XX_MAXBOARDS);
 897                 cx231xx_devused &= ~(1 << nr);
 898                 return -ENOMEM;
 899         }
 900
 901         /* allocate memory for our device state and initialize it */
 902         dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 903         if (dev == NULL) {
 904                 cx231xx_err(DRIVER_NAME ": out of memory!\n");
 905                 cx231xx_devused &= ~(1 << nr);
 906                 return -ENOMEM;
 907         }
 908
 909         snprintf(dev->name, 29, "cx231xx #%d", nr);
 910         dev->devno = nr;
 911         dev->model = id->driver_info;
 912         dev->video_mode.alt = -1;
 913
 914         dev->interface_count++;
 915         /* reset gpio dir and value */
 916         dev->gpio_dir = 0;
 917         dev->gpio_val = 0;
 918         dev->xc_fw_load_done = 0;
 919         dev->has_alsa_audio = 1;
 920         dev->power_mode = -1;
 921         atomic_set(&dev->devlist_count, 0);
 922
 923         /* 0 - vbi ; 1 -sliced cc mode */
 924         dev->vbi_or_sliced_cc_mode = 0;
 925
 926         /* get maximum no.of IAD interfaces */
 927         assoc_desc = udev->actconfig->intf_assoc[0];
 928         dev->max_iad_interface_count = assoc_desc->bInterfaceCount;
 929
 930         /* init CIR module TBD */
 931
 932         /* store the current interface */
 933         lif = interface;
 934
 935         /*mode_tv: digital=1 or analog=0*/
 936         dev->mode_tv = 0;
 937
 938         dev->USE_ISO = transfer_mode;
 939
 940         switch (udev->speed) {
 941         case USB_SPEED_LOW:
 942                 speed = "1.5";
 943                 break;
 944         case USB_SPEED_UNKNOWN:
 945         case USB_SPEED_FULL:
 946                 speed = "12";
 947                 break;
 948         case USB_SPEED_HIGH:
 949                 speed = "480";
 950                 break;
 951         default:
 952                 speed = "unknown";
 953         }
 954
 955         if (udev->manufacturer)
 956                 strlcpy(descr, udev->manufacturer, sizeof(descr));
 957
 958         if (udev->product) {
 959                 if (*descr)
 960                         strlcat(descr, " ", sizeof(descr));
 961                 strlcat(descr, udev->product, sizeof(descr));
 962         }
 963         if (*descr)
 964                 strlcat(descr, " ", sizeof(descr));
 965
 966         cx231xx_info("New device %s@ %s Mbps "
 967              "(%04x:%04x) with %d interfaces\n",
 968              descr,
 969              speed,
 970              le16_to_cpu(udev->descriptor.idVendor),
 971              le16_to_cpu(udev->descriptor.idProduct),
 972              dev->max_iad_interface_count);
 973
 974         /* store the interface 0 back */
 975         lif = udev->actconfig->interface[0];
 976
 977         /* increment interface count */
 978         dev->interface_count++;
 979
 980         /* get device number */
 981         nr = dev->devno;
 982
 983         assoc_desc = udev->actconfig->intf_assoc[0];
 984         if (assoc_desc->bFirstInterface != ifnum) {
 985                 cx231xx_err(DRIVER_NAME ": Not found "
 986                             "matching IAD interface\n");
 987                 return -ENODEV;
 988         }
 989
 990         cx231xx_info("registering interface %d\n", ifnum);
 991
 992         /* save our data pointer in this interface device */
 993         usb_set_intfdata(lif, dev);
 994
 995         /*
 996          * AV device initialization - only done at the last interface
 997          */
 998
 999         /* Create v4l2 device */
1000         retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
1001         if (retval) {
1002                 cx231xx_errdev("v4l2_device_register failed\n");
1003                 cx231xx_devused &= ~(1 << nr);
1004                 kfree(dev);
1005                 dev = NULL;
1006                 return -EIO;
1007         }
1008         /* allocate device struct */
1009         retval = cx231xx_init_dev(&dev, udev, nr);
1010         if (retval) {
1011                 cx231xx_devused &= ~(1 << dev->devno);
1012                 v4l2_device_unregister(&dev->v4l2_dev);
1013                 kfree(dev);
1014                 dev = NULL;
1015                 usb_set_intfdata(lif, NULL);
1016
1017                 return retval;
1018         }
1019
1020         /* compute alternate max packet sizes for video */
1021         uif = udev->actconfig->interface[dev->current_pcb_config.
1022                        hs_config_info[0].interface_info.video_index + 1];
1023
1024         dev->video_mode.end_point_addr = le16_to_cpu(uif->altsetting[0].
1025                         endpoint[isoc_pipe].desc.bEndpointAddress);
1026
1027         dev->video_mode.num_alt = uif->num_altsetting;
1028         cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1029                      dev->video_mode.end_point_addr,
1030                      dev->video_mode.num_alt);
1031         dev->video_mode.alt_max_pkt_size =
1032                 kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL);
1033
1034         if (dev->video_mode.alt_max_pkt_size == NULL) {
1035                 cx231xx_errdev("out of memory!\n");
1036                 cx231xx_devused &= ~(1 << nr);
1037                 v4l2_device_unregister(&dev->v4l2_dev);
1038                 kfree(dev);
1039                 dev = NULL;
1040                 return -ENOMEM;
1041         }
1042
1043         for (i = 0; i < dev->video_mode.num_alt; i++) {
1044                 u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1045                                 desc.wMaxPacketSize);
1046                 dev->video_mode.alt_max_pkt_size[i] =
1047                     (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1048                 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1049                              dev->video_mode.alt_max_pkt_size[i]);
1050         }
1051
1052         /* compute alternate max packet sizes for vbi */
1053         uif = udev->actconfig->interface[dev->current_pcb_config.
1054                                        hs_config_info[0].interface_info.
1055                                        vanc_index + 1];
1056
1057         dev->vbi_mode.end_point_addr =
1058             le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
1059                         bEndpointAddress);
1060
1061         dev->vbi_mode.num_alt = uif->num_altsetting;
1062         cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1063                      dev->vbi_mode.end_point_addr,
1064                      dev->vbi_mode.num_alt);
1065         dev->vbi_mode.alt_max_pkt_size =
1066             kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL);
1067
1068         if (dev->vbi_mode.alt_max_pkt_size == NULL) {
1069                 cx231xx_errdev("out of memory!\n");
1070                 cx231xx_devused &= ~(1 << nr);
1071                 v4l2_device_unregister(&dev->v4l2_dev);
1072                 kfree(dev);
1073                 dev = NULL;
1074                 return -ENOMEM;
1075         }
1076
1077         for (i = 0; i < dev->vbi_mode.num_alt; i++) {
1078                 u16 tmp =
1079                     le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1080                                 desc.wMaxPacketSize);
1081                 dev->vbi_mode.alt_max_pkt_size[i] =
1082                     (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1083                 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1084                              dev->vbi_mode.alt_max_pkt_size[i]);
1085         }
1086
1087         /* compute alternate max packet sizes for sliced CC */
1088         uif = udev->actconfig->interface[dev->current_pcb_config.
1089                                        hs_config_info[0].interface_info.
1090                                        hanc_index + 1];
1091
1092         dev->sliced_cc_mode.end_point_addr =
1093             le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
1094                         bEndpointAddress);
1095
1096         dev->sliced_cc_mode.num_alt = uif->num_altsetting;
1097         cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1098                      dev->sliced_cc_mode.end_point_addr,
1099                      dev->sliced_cc_mode.num_alt);
1100         dev->sliced_cc_mode.alt_max_pkt_size =
1101                 kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL);
1102
1103         if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) {
1104                 cx231xx_errdev("out of memory!\n");
1105                 cx231xx_devused &= ~(1 << nr);
1106                 v4l2_device_unregister(&dev->v4l2_dev);
1107                 kfree(dev);
1108                 dev = NULL;
1109                 return -ENOMEM;
1110         }
1111
1112         for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) {
1113                 u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1114                                 desc.wMaxPacketSize);
1115                 dev->sliced_cc_mode.alt_max_pkt_size[i] =
1116                     (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1117                 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1118                              dev->sliced_cc_mode.alt_max_pkt_size[i]);
1119         }
1120
1121         if (dev->current_pcb_config.ts1_source != 0xff) {
1122                 /* compute alternate max packet sizes for TS1 */
1123                 uif = udev->actconfig->interface[dev->current_pcb_config.
1124                                                hs_config_info[0].
1125                                                interface_info.
1126                                                ts1_index + 1];
1127
1128                 dev->ts1_mode.end_point_addr =
1129                     le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].
1130                                 desc.bEndpointAddress);
1131
1132                 dev->ts1_mode.num_alt = uif->num_altsetting;
1133                 cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1134                              dev->ts1_mode.end_point_addr,
1135                              dev->ts1_mode.num_alt);
1136                 dev->ts1_mode.alt_max_pkt_size =
1137                         kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL);
1138
1139                 if (dev->ts1_mode.alt_max_pkt_size == NULL) {
1140                         cx231xx_errdev("out of memory!\n");
1141                         cx231xx_devused &= ~(1 << nr);
1142                         v4l2_device_unregister(&dev->v4l2_dev);
1143                         kfree(dev);
1144                         dev = NULL;
1145                         return -ENOMEM;
1146                 }
1147
1148                 for (i = 0; i < dev->ts1_mode.num_alt; i++) {
1149                         u16 tmp = le16_to_cpu(uif->altsetting[i].
1150                                                 endpoint[isoc_pipe].desc.
1151                                                 wMaxPacketSize);
1152                         dev->ts1_mode.alt_max_pkt_size[i] =
1153                             (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1154                         cx231xx_info("Alternate setting %i, max size= %i\n", i,
1155                                      dev->ts1_mode.alt_max_pkt_size[i]);
1156                 }
1157         }
1158
1159         if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) {
1160                 cx231xx_enable_OSC(dev);
1161                 cx231xx_reset_out(dev);
1162                 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
1163         }
1164
1165         if (dev->model == CX231XX_BOARD_CNXT_RDE_253S)
1166                 cx231xx_sleep_s5h1432(dev);
1167
1168         /* load other modules required */
1169         request_modules(dev);
1170
1171         return 0;
1172 }
1173
1174 /*
1175  * cx231xx_usb_disconnect()
1176  * called when the device gets diconencted
1177  * video device will be unregistered on v4l2_close in case it is still open
1178  */
1179 static void cx231xx_usb_disconnect(struct usb_interface *interface)
1180 {
1181         struct cx231xx *dev;
1182
1183         dev = usb_get_intfdata(interface);
1184         usb_set_intfdata(interface, NULL);
1185
1186         if (!dev)
1187                 return;
1188
1189         if (!dev->udev)
1190                 return;
1191
1192         flush_request_modules(dev);
1193
1194         /* delete v4l2 device */
1195         v4l2_device_unregister(&dev->v4l2_dev);
1196
1197         /* wait until all current v4l2 io is finished then deallocate
1198            resources */
1199         mutex_lock(&dev->lock);
1200
1201         wake_up_interruptible_all(&dev->open);
1202
1203         if (dev->users) {
1204                 cx231xx_warn
1205                     ("device %s is open! Deregistration and memory "
1206                      "deallocation are deferred on close.\n",
1207                      video_device_node_name(dev->vdev));
1208
1209                 dev->state |= DEV_MISCONFIGURED;
1210                 if (dev->USE_ISO)
1211                         cx231xx_uninit_isoc(dev);
1212                 else
1213                         cx231xx_uninit_bulk(dev);
1214                 dev->state |= DEV_DISCONNECTED;
1215                 wake_up_interruptible(&dev->wait_frame);
1216                 wake_up_interruptible(&dev->wait_stream);
1217         } else {
1218                 dev->state |= DEV_DISCONNECTED;
1219                 cx231xx_release_resources(dev);
1220         }
1221
1222         cx231xx_close_extension(dev);
1223
1224         mutex_unlock(&dev->lock);
1225
1226         if (!dev->users) {
1227                 kfree(dev->video_mode.alt_max_pkt_size);
1228                 kfree(dev->vbi_mode.alt_max_pkt_size);
1229                 kfree(dev->sliced_cc_mode.alt_max_pkt_size);
1230                 kfree(dev->ts1_mode.alt_max_pkt_size);
1231                 kfree(dev);
1232                 dev = NULL;
1233         }
1234 }
1235
1236 static struct usb_driver cx231xx_usb_driver = {
1237         .name = "cx231xx",
1238         .probe = cx231xx_usb_probe,
1239         .disconnect = cx231xx_usb_disconnect,
1240         .id_table = cx231xx_id_table,
1241 };
1242
1243 static int __init cx231xx_module_init(void)
1244 {
1245         int result;
1246
1247         printk(KERN_INFO DRIVER_NAME " v4l2 driver loaded.\n");
1248
1249         /* register this driver with the USB subsystem */
1250         result = usb_register(&cx231xx_usb_driver);
1251         if (result)
1252                 cx231xx_err(DRIVER_NAME
1253                             " usb_register failed. Error number %d.\n", result);
1254
1255         return result;
1256 }
1257
1258 static void __exit cx231xx_module_exit(void)
1259 {
1260         /* deregister this driver with the USB subsystem */
1261         usb_deregister(&cx231xx_usb_driver);
1262 }
1263
1264 module_init(cx231xx_module_init);
1265 module_exit(cx231xx_module_exit);