drivers/staging/tm6000/tm6000-cards.c

   1 /*
   2    tm6000-cards.c - driver for TM5600/TM6000 USB video capture devices
   3
   4    Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org>
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation version 2
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19
  20 #include <linux/init.h>
  21 #include <linux/module.h>
  22 #include <linux/pci.h>
  23 #include <linux/delay.h>
  24 #include <linux/i2c.h>
  25 #include <linux/usb.h>
  26 #include <linux/version.h>
  27 #include <media/v4l2-common.h>
  28 #include <media/tuner.h>
  29 #include <media/tvaudio.h>
  30 #include <media/i2c-addr.h>
  31
  32 #include "tm6000.h"
  33 #include "tm6000-regs.h"
  34 #include "tuner-xc2028.h"
  35 #include "xc5000.h"
  36
  37 #define TM6000_BOARD_UNKNOWN                    0
  38 #define TM5600_BOARD_GENERIC                    1
  39 #define TM6000_BOARD_GENERIC                    2
  40 #define TM6010_BOARD_GENERIC                    3
  41 #define TM5600_BOARD_10MOONS_UT821              4
  42 #define TM5600_BOARD_10MOONS_UT330              5
  43 #define TM6000_BOARD_ADSTECH_DUAL_TV            6
  44 #define TM6000_BOARD_FREECOM_AND_SIMILAR        7
  45 #define TM6000_BOARD_ADSTECH_MINI_DUAL_TV       8
  46 #define TM6010_BOARD_HAUPPAUGE_900H             9
  47 #define TM6010_BOARD_BEHOLD_WANDER              10
  48 #define TM6010_BOARD_BEHOLD_VOYAGER             11
  49 #define TM6010_BOARD_TERRATEC_CINERGY_HYBRID_XE 12
  50
  51 #define TM6000_MAXBOARDS        16
  52 static unsigned int card[]     = {[0 ... (TM6000_MAXBOARDS - 1)] = UNSET };
  53
  54 module_param_array(card,  int, NULL, 0444);
  55
  56 static unsigned long tm6000_devused;
  57
  58
  59 struct tm6000_board {
  60         char            *name;
  61
  62         struct tm6000_capabilities caps;
  63
  64         enum            tm6000_devtype type;    /* variant of the chipset */
  65         int             tuner_type;     /* type of the tuner */
  66         int             tuner_addr;     /* tuner address */
  67         int             demod_addr;     /* demodulator address */
  68         int             gpio_addr_tun_reset;    /* GPIO used for tuner reset */
  69 };
  70
  71 struct tm6000_board tm6000_boards[] = {
  72         [TM6000_BOARD_UNKNOWN] = {
  73                 .name         = "Unknown tm6000 video grabber",
  74                 .caps = {
  75                         .has_tuner    = 1,
  76                 },
  77                 .gpio_addr_tun_reset = TM6000_GPIO_1,
  78         },
  79         [TM5600_BOARD_GENERIC] = {
  80                 .name         = "Generic tm5600 board",
  81                 .type         = TM5600,
  82                 .tuner_type   = TUNER_XC2028,
  83                 .tuner_addr   = 0xc2 >> 1,
  84                 .caps = {
  85                         .has_tuner      = 1,
  86                 },
  87                 .gpio_addr_tun_reset = TM6000_GPIO_1,
  88         },
  89         [TM6000_BOARD_GENERIC] = {
  90                 .name         = "Generic tm6000 board",
  91                 .tuner_type   = TUNER_XC2028,
  92                 .tuner_addr   = 0xc2 >> 1,
  93                 .caps = {
  94                         .has_tuner      = 1,
  95                         .has_dvb        = 1,
  96                 },
  97                 .gpio_addr_tun_reset = TM6000_GPIO_1,
  98         },
  99         [TM6010_BOARD_GENERIC] = {
 100                 .name         = "Generic tm6010 board",
 101                 .type         = TM6010,
 102                 .tuner_type   = TUNER_XC2028,
 103                 .tuner_addr   = 0xc2 >> 1,
 104                 .caps = {
 105                         .has_tuner      = 1,
 106                         .has_dvb        = 1,
 107                 },
 108                 .gpio_addr_tun_reset = TM6010_GPIO_4,
 109         },
 110         [TM5600_BOARD_10MOONS_UT821] = {
 111                 .name         = "10Moons UT 821",
 112                 .tuner_type   = TUNER_XC2028,
 113                 .type         = TM5600,
 114                 .tuner_addr   = 0xc2 >> 1,
 115                 .caps = {
 116                         .has_tuner    = 1,
 117                         .has_eeprom   = 1,
 118                 },
 119                 .gpio_addr_tun_reset = TM6000_GPIO_1,
 120         },
 121         [TM5600_BOARD_10MOONS_UT330] = {
 122                 .name         = "10Moons UT 330",
 123                 .tuner_type   = TUNER_PHILIPS_FQ1216AME_MK4,
 124                 .tuner_addr   = 0xc8 >> 1,
 125                 .caps = {
 126                         .has_tuner    = 1,
 127                         .has_dvb      = 0,
 128                         .has_zl10353  = 0,
 129                         .has_eeprom   = 1,
 130                 },
 131         },
 132         [TM6000_BOARD_ADSTECH_DUAL_TV] = {
 133                 .name         = "ADSTECH Dual TV USB",
 134                 .tuner_type   = TUNER_XC2028,
 135                 .tuner_addr   = 0xc8 >> 1,
 136                 .caps = {
 137                         .has_tuner    = 1,
 138                         .has_tda9874  = 1,
 139                         .has_dvb      = 1,
 140                         .has_zl10353  = 1,
 141                         .has_eeprom   = 1,
 142                 },
 143         },
 144         [TM6000_BOARD_FREECOM_AND_SIMILAR] = {
 145                 .name         = "Freecom Hybrid Stick / Moka DVB-T Receiver Dual",
 146                 .tuner_type   = TUNER_XC2028, /* has a XC3028 */
 147                 .tuner_addr   = 0xc2 >> 1,
 148                 .demod_addr   = 0x1e >> 1,
 149                 .caps = {
 150                         .has_tuner    = 1,
 151                         .has_dvb      = 1,
 152                         .has_zl10353  = 1,
 153                         .has_eeprom   = 0,
 154                         .has_remote   = 1,
 155                 },
 156                 .gpio_addr_tun_reset = TM6000_GPIO_4,
 157         },
 158         [TM6000_BOARD_ADSTECH_MINI_DUAL_TV] = {
 159                 .name         = "ADSTECH Mini Dual TV USB",
 160                 .tuner_type   = TUNER_XC2028, /* has a XC3028 */
 161                 .tuner_addr   = 0xc8 >> 1,
 162                 .demod_addr   = 0x1e >> 1,
 163                 .caps = {
 164                         .has_tuner    = 1,
 165                         .has_dvb      = 1,
 166                         .has_zl10353  = 1,
 167                         .has_eeprom   = 0,
 168                 },
 169                 .gpio_addr_tun_reset = TM6000_GPIO_4,
 170         },
 171         [TM6010_BOARD_HAUPPAUGE_900H] = {
 172                 .name         = "Hauppauge HVR-900H",
 173                 .tuner_type   = TUNER_XC2028, /* has a XC3028 */
 174                 .tuner_addr   = 0xc2 >> 1,
 175                 .demod_addr   = 0x1e >> 1,
 176                 .type         = TM6010,
 177                 .caps = {
 178                         .has_tuner    = 1,
 179                         .has_dvb      = 1,
 180                         .has_zl10353  = 1,
 181                         .has_eeprom   = 1,
 182                 },
 183                 .gpio_addr_tun_reset = TM6000_GPIO_2,
 184         },
 185         [TM6010_BOARD_BEHOLD_WANDER] = {
 186                 .name         = "Beholder Wander DVB-T/TV/FM USB2.0",
 187                 .tuner_type   = TUNER_XC5000,
 188                 .tuner_addr   = 0xc2 >> 1,
 189                 .demod_addr   = 0x1e >> 1,
 190                 .type         = TM6010,
 191                 .caps = {
 192                         .has_tuner    = 1,
 193                         .has_dvb      = 1,
 194                         .has_zl10353  = 1,
 195                         .has_eeprom   = 1,
 196                         .has_remote   = 1,
 197                 },
 198                 .gpio_addr_tun_reset = TM6000_GPIO_2,
 199         },
 200         [TM6010_BOARD_BEHOLD_VOYAGER] = {
 201                 .name         = "Beholder Voyager TV/FM USB2.0",
 202                 .tuner_type   = TUNER_XC5000,
 203                 .tuner_addr   = 0xc2 >> 1,
 204                 .type         = TM6010,
 205                 .caps = {
 206                         .has_tuner    = 1,
 207                         .has_dvb      = 0,
 208                         .has_zl10353  = 0,
 209                         .has_eeprom   = 1,
 210                         .has_remote   = 1,
 211                 },
 212                 .gpio_addr_tun_reset = TM6000_GPIO_2,
 213         },
 214         [TM6010_BOARD_TERRATEC_CINERGY_HYBRID_XE] = {
 215                 .name         = "Terratec Cinergy Hybrid XE",
 216                 .tuner_type   = TUNER_XC2028, /* has a XC3028 */
 217                 .tuner_addr   = 0xc2 >> 1,
 218                 .demod_addr   = 0x1e >> 1,
 219                 .type         = TM6010,
 220                 .caps = {
 221                         .has_tuner    = 1,
 222                         .has_dvb      = 1,
 223                         .has_zl10353  = 1,
 224                         .has_eeprom   = 1,
 225                         .has_remote   = 1,
 226                 },
 227                 .gpio_addr_tun_reset = TM6010_GPIO_2,
 228         }
 229 };
 230
 231 /* table of devices that work with this driver */
 232 struct usb_device_id tm6000_id_table [] = {
 233         { USB_DEVICE(0x6000, 0x0001), .driver_info = TM5600_BOARD_10MOONS_UT821 },
 234         { USB_DEVICE(0x6000, 0x0002), .driver_info = TM6010_BOARD_GENERIC },
 235         { USB_DEVICE(0x06e1, 0xf332), .driver_info = TM6000_BOARD_ADSTECH_DUAL_TV },
 236         { USB_DEVICE(0x14aa, 0x0620), .driver_info = TM6000_BOARD_FREECOM_AND_SIMILAR },
 237         { USB_DEVICE(0x06e1, 0xb339), .driver_info = TM6000_BOARD_ADSTECH_MINI_DUAL_TV },
 238         { USB_DEVICE(0x2040, 0x6600), .driver_info = TM6010_BOARD_HAUPPAUGE_900H },
 239         { USB_DEVICE(0x6000, 0xdec0), .driver_info = TM6010_BOARD_BEHOLD_WANDER },
 240         { USB_DEVICE(0x6000, 0xdec1), .driver_info = TM6010_BOARD_BEHOLD_VOYAGER },
 241         { USB_DEVICE(0x0ccd, 0x0086), .driver_info = TM6010_BOARD_TERRATEC_CINERGY_HYBRID_XE },
 242         { },
 243 };
 244
 245 /* Tuner callback to provide the proper gpio changes needed for xc2028 */
 246
 247 int tm6000_tuner_callback(void *ptr, int component, int command, int arg)
 248 {
 249         int rc=0;
 250         struct tm6000_core *dev = ptr;
 251
 252         if (dev->tuner_type!=TUNER_XC2028)
 253                 return 0;
 254
 255         switch (command) {
 256         case XC2028_RESET_CLK:
 257                 tm6000_set_reg (dev, REQ_04_EN_DISABLE_MCU_INT,
 258                                         0x02, arg);
 259                 msleep(10);
 260                 rc=tm6000_set_reg (dev, REQ_03_SET_GET_MCU_PIN,
 261                                         TM6000_GPIO_CLK, 0);
 262                 if (rc<0)
 263                         return rc;
 264                 msleep(10);
 265                 rc=tm6000_set_reg (dev, REQ_03_SET_GET_MCU_PIN,
 266                                         TM6000_GPIO_CLK, 1);
 267                 break;
 268         case XC2028_TUNER_RESET:
 269                 /* Reset codes during load firmware */
 270                 switch (arg) {
 271                 case 0:
 272                         tm6000_set_reg (dev, REQ_03_SET_GET_MCU_PIN,
 273                                         dev->tuner_reset_gpio, 0x00);
 274                         msleep(130);
 275                         tm6000_set_reg (dev, REQ_03_SET_GET_MCU_PIN,
 276                                         dev->tuner_reset_gpio, 0x01);
 277                         msleep(130);
 278                         break;
 279                 case 1:
 280                         tm6000_set_reg (dev, REQ_04_EN_DISABLE_MCU_INT,
 281                                                 0x02, 0x01);
 282                         msleep(10);
 283                         break;
 284
 285                 case 2:
 286                         rc=tm6000_set_reg (dev, REQ_03_SET_GET_MCU_PIN,
 287                                                 TM6000_GPIO_CLK, 0);
 288                         if (rc<0)
 289                                 return rc;
 290                         msleep(100);
 291                         rc=tm6000_set_reg (dev, REQ_03_SET_GET_MCU_PIN,
 292                                                 TM6000_GPIO_CLK, 1);
 293                         msleep(100);
 294                         break;
 295                 }
 296         }
 297         return (rc);
 298 }
 299
 300 static void tm6000_config_tuner (struct tm6000_core *dev)
 301 {
 302         struct tuner_setup           tun_setup;
 303
 304         /* Load tuner module */
 305         v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
 306                 "tuner", "tuner",dev->tuner_addr, NULL);
 307
 308         memset(&tun_setup, 0, sizeof(tun_setup));
 309         tun_setup.type   = dev->tuner_type;
 310         tun_setup.addr   = dev->tuner_addr;
 311         tun_setup.mode_mask = T_ANALOG_TV | T_RADIO | T_DIGITAL_TV;
 312         tun_setup.tuner_callback = tm6000_tuner_callback;
 313
 314         v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_type_addr, &tun_setup);
 315
 316         if (dev->tuner_type == TUNER_XC2028) {
 317                 struct v4l2_priv_tun_config  xc2028_cfg;
 318                 struct xc2028_ctrl           ctl;
 319
 320                 memset(&xc2028_cfg, 0, sizeof(xc2028_cfg));
 321                 memset (&ctl,0,sizeof(ctl));
 322
 323                 ctl.input1 = 1;
 324                 ctl.read_not_reliable = 0;
 325                 ctl.msleep = 10;
 326                 ctl.demod = XC3028_FE_ZARLINK456;
 327                 ctl.vhfbw7 = 1;
 328                 ctl.uhfbw8 = 1;
 329                 xc2028_cfg.tuner = TUNER_XC2028;
 330                 xc2028_cfg.priv  = &ctl;
 331
 332                 switch(dev->model) {
 333                 case TM6010_BOARD_HAUPPAUGE_900H:
 334                 case TM6010_BOARD_TERRATEC_CINERGY_HYBRID_XE:
 335                         ctl.fname = "xc3028L-v36.fw";
 336                         break;
 337                 default:
 338                         if (dev->dev_type == TM6010)
 339                                 ctl.fname = "xc3028-v27.fw";
 340                         else
 341                                 ctl.fname = "tm6000-xc3028.fw";
 342                 }
 343
 344                 printk(KERN_INFO "Setting firmware parameters for xc2028\n");
 345
 346                 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_config,
 347                                      &xc2028_cfg);
 348         }
 349 }
 350
 351 static int tm6000_init_dev(struct tm6000_core *dev)
 352 {
 353         struct v4l2_frequency f;
 354         int rc = 0;
 355
 356         mutex_init(&dev->lock);
 357
 358         mutex_lock(&dev->lock);
 359
 360         /* Initializa board-specific data */
 361         dev->dev_type   = tm6000_boards[dev->model].type;
 362         dev->tuner_type = tm6000_boards[dev->model].tuner_type;
 363         dev->tuner_addr = tm6000_boards[dev->model].tuner_addr;
 364         dev->tuner_reset_gpio = tm6000_boards[dev->model].gpio_addr_tun_reset;
 365
 366         dev->demod_addr = tm6000_boards[dev->model].demod_addr;
 367
 368         dev->caps = tm6000_boards[dev->model].caps;
 369
 370         /* initialize hardware */
 371         rc=tm6000_init (dev);
 372         if (rc<0)
 373                 goto err;
 374
 375         rc = v4l2_device_register(&dev->udev->dev, &dev->v4l2_dev);
 376         if (rc < 0)
 377                 goto err;
 378
 379         /* register i2c bus */
 380         rc=tm6000_i2c_register(dev);
 381         if (rc<0)
 382                 goto err;
 383
 384         /* register and initialize V4L2 */
 385         rc=tm6000_v4l2_register(dev);
 386         if (rc<0)
 387                 goto err;
 388
 389         /* Default values for STD and resolutions */
 390         dev->width = 720;
 391         dev->height = 480;
 392         dev->norm = V4L2_STD_PAL_M;
 393
 394         /* Configure tuner */
 395         tm6000_config_tuner (dev);
 396
 397         /* Set video standard */
 398         v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm);
 399
 400         /* Set tuner frequency - also loads firmware on xc2028/xc3028 */
 401         f.tuner = 0;
 402         f.type = V4L2_TUNER_ANALOG_TV;
 403         f.frequency = 3092;     /* 193.25 MHz */
 404         dev->freq = f.frequency;
 405         v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f);
 406
 407         if (dev->caps.has_tda9874)
 408                 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
 409                         "tvaudio", "tvaudio", I2C_ADDR_TDA9874, NULL);
 410
 411         if(dev->caps.has_dvb) {
 412                 dev->dvb = kzalloc(sizeof(*(dev->dvb)), GFP_KERNEL);
 413                 if(!dev->dvb) {
 414                         rc = -ENOMEM;
 415                         goto err2;
 416                 }
 417 #ifdef CONFIG_VIDEO_TM6000_DVB
 418                 rc = tm6000_dvb_register(dev);
 419                 if(rc < 0) {
 420                         kfree(dev->dvb);
 421                         dev->dvb = NULL;
 422                         goto err2;
 423                 }
 424 #endif
 425         }
 426         return 0;
 427
 428 err2:
 429         v4l2_device_unregister(&dev->v4l2_dev);
 430
 431 err:
 432         mutex_unlock(&dev->lock);
 433         return rc;
 434 }
 435
 436 /* high bandwidth multiplier, as encoded in highspeed endpoint descriptors */
 437 #define hb_mult(wMaxPacketSize) (1 + (((wMaxPacketSize) >> 11) & 0x03))
 438
 439 static void get_max_endpoint (  struct usb_device *usbdev,
 440                                 char *msgtype,
 441                                 struct usb_host_endpoint *curr_e,
 442                                 unsigned int *maxsize,
 443                                 struct usb_host_endpoint **ep  )
 444 {
 445         u16 tmp = le16_to_cpu(curr_e->desc.wMaxPacketSize);
 446         unsigned int size = tmp & 0x7ff;
 447
 448         if (usbdev->speed == USB_SPEED_HIGH)
 449                 size = size * hb_mult (tmp);
 450
 451         if (size>*maxsize) {
 452                 *ep = curr_e;
 453                 *maxsize = size;
 454                 printk("tm6000: %s endpoint: 0x%02x (max size=%u bytes)\n",
 455                                         msgtype, curr_e->desc.bEndpointAddress,
 456                                         size);
 457         }
 458 }
 459
 460 /*
 461  * tm6000_usb_probe()
 462  * checks for supported devices
 463  */
 464 static int tm6000_usb_probe(struct usb_interface *interface,
 465                             const struct usb_device_id *id)
 466 {
 467         struct usb_device *usbdev;
 468         struct tm6000_core *dev = NULL;
 469         int i,rc=0;
 470         int nr=0;
 471         char *speed;
 472
 473
 474         usbdev=usb_get_dev(interface_to_usbdev(interface));
 475
 476         /* Selects the proper interface */
 477         rc=usb_set_interface(usbdev,0,1);
 478         if (rc<0)
 479                 goto err;
 480
 481         /* Check to see next free device and mark as used */
 482         nr=find_first_zero_bit(&tm6000_devused,TM6000_MAXBOARDS);
 483         if (nr >= TM6000_MAXBOARDS) {
 484                 printk ("tm6000: Supports only %i tm60xx boards.\n",TM6000_MAXBOARDS);
 485                 usb_put_dev(usbdev);
 486                 return -ENOMEM;
 487         }
 488
 489         /* Create and initialize dev struct */
 490         dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 491         if (dev == NULL) {
 492                 printk ("tm6000" ": out of memory!\n");
 493                 usb_put_dev(usbdev);
 494                 return -ENOMEM;
 495         }
 496         spin_lock_init(&dev->slock);
 497
 498         /* Increment usage count */
 499         tm6000_devused|=1<<nr;
 500         snprintf(dev->name, 29, "tm6000 #%d", nr);
 501
 502         dev->model=id->driver_info;
 503         if ((card[nr]>=0) && (card[nr]<ARRAY_SIZE(tm6000_boards))) {
 504                 dev->model=card[nr];
 505         }
 506
 507         INIT_LIST_HEAD(&dev->tm6000_corelist);
 508         dev->udev= usbdev;
 509         dev->devno=nr;
 510
 511         switch (usbdev->speed) {
 512         case USB_SPEED_LOW:
 513                 speed = "1.5";
 514                 break;
 515         case USB_SPEED_UNKNOWN:
 516         case USB_SPEED_FULL:
 517                 speed = "12";
 518                 break;
 519         case USB_SPEED_HIGH:
 520                 speed = "480";
 521                 break;
 522         default:
 523                 speed = "unknown";
 524         }
 525
 526
 527
 528         /* Get endpoints */
 529         for (i = 0; i < interface->num_altsetting; i++) {
 530                 int ep;
 531
 532                 for (ep = 0; ep < interface->altsetting[i].desc.bNumEndpoints; ep++) {
 533                         struct usb_host_endpoint        *e;
 534                         int dir_out;
 535
 536                         e = &interface->altsetting[i].endpoint[ep];
 537
 538                         dir_out = ((e->desc.bEndpointAddress &
 539                                         USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
 540
 541                         printk("tm6000: alt %d, interface %i, class %i\n",
 542                                i,
 543                                interface->altsetting[i].desc.bInterfaceNumber,
 544                                interface->altsetting[i].desc.bInterfaceClass);
 545
 546                         switch (e->desc.bmAttributes) {
 547                         case USB_ENDPOINT_XFER_BULK:
 548                                 if (!dir_out) {
 549                                         get_max_endpoint (usbdev, "Bulk IN", e,
 550                                                         &dev->max_bulk_in,
 551                                                         &dev->bulk_in);
 552                                 } else {
 553                                         get_max_endpoint (usbdev, "Bulk OUT", e,
 554                                                         &dev->max_bulk_out,
 555                                                         &dev->bulk_out);
 556                                 }
 557                                 break;
 558                         case USB_ENDPOINT_XFER_ISOC:
 559                                 if (!dir_out) {
 560                                         get_max_endpoint (usbdev, "ISOC IN", e,
 561                                                         &dev->max_isoc_in,
 562                                                         &dev->isoc_in);
 563                                 } else {
 564                                         get_max_endpoint (usbdev, "ISOC OUT", e,
 565                                                         &dev->max_isoc_out,
 566                                                         &dev->isoc_out);
 567                                 }
 568                                 break;
 569                         }
 570                 }
 571         }
 572
 573
 574         printk("tm6000: New video device @ %s Mbps (%04x:%04x, ifnum %d)\n",
 575                 speed,
 576                 le16_to_cpu(dev->udev->descriptor.idVendor),
 577                 le16_to_cpu(dev->udev->descriptor.idProduct),
 578                 interface->altsetting->desc.bInterfaceNumber);
 579
 580 /* check if the the device has the iso in endpoint at the correct place */
 581         if (!dev->isoc_in) {
 582                 printk("tm6000: probing error: no IN ISOC endpoint!\n");
 583                 rc= -ENODEV;
 584
 585                 goto err;
 586         }
 587
 588         /* save our data pointer in this interface device */
 589         usb_set_intfdata(interface, dev);
 590
 591         printk("tm6000: Found %s\n", tm6000_boards[dev->model].name);
 592
 593         rc=tm6000_init_dev(dev);
 594
 595         if (rc<0)
 596                 goto err;
 597
 598         return 0;
 599
 600 err:
 601         printk("tm6000: Error %d while registering\n", rc);
 602
 603         tm6000_devused&=~(1<<nr);
 604         usb_put_dev(usbdev);
 605
 606         kfree(dev);
 607         return rc;
 608 }
 609
 610 /*
 611  * tm6000_usb_disconnect()
 612  * called when the device gets diconencted
 613  * video device will be unregistered on v4l2_close in case it is still open
 614  */
 615 static void tm6000_usb_disconnect(struct usb_interface *interface)
 616 {
 617         struct tm6000_core *dev = usb_get_intfdata(interface);
 618         usb_set_intfdata(interface, NULL);
 619
 620         if (!dev)
 621                 return;
 622
 623         printk("tm6000: disconnecting %s\n", dev->name);
 624
 625         mutex_lock(&dev->lock);
 626
 627 #ifdef CONFIG_VIDEO_TM6000_DVB
 628         if(dev->dvb) {
 629                 tm6000_dvb_unregister(dev);
 630                 kfree(dev->dvb);
 631         }
 632 #endif
 633
 634         tm6000_v4l2_unregister(dev);
 635
 636         tm6000_i2c_unregister(dev);
 637
 638         v4l2_device_unregister(&dev->v4l2_dev);
 639
 640 //      wake_up_interruptible_all(&dev->open);
 641
 642         dev->state |= DEV_DISCONNECTED;
 643
 644         usb_put_dev(dev->udev);
 645
 646         mutex_unlock(&dev->lock);
 647         kfree(dev);
 648 }
 649
 650 static struct usb_driver tm6000_usb_driver = {
 651                 .name = "tm6000",
 652                 .probe = tm6000_usb_probe,
 653                 .disconnect = tm6000_usb_disconnect,
 654                 .id_table = tm6000_id_table,
 655 };
 656
 657 static int __init tm6000_module_init(void)
 658 {
 659         int result;
 660
 661         printk(KERN_INFO "tm6000" " v4l2 driver version %d.%d.%d loaded\n",
 662                (TM6000_VERSION  >> 16) & 0xff,
 663                (TM6000_VERSION  >> 8) & 0xff, TM6000_VERSION  & 0xff);
 664
 665         /* register this driver with the USB subsystem */
 666         result = usb_register(&tm6000_usb_driver);
 667         if (result)
 668                 printk("tm6000"
 669                            " usb_register failed. Error number %d.\n", result);
 670
 671         return result;
 672 }
 673
 674 static void __exit tm6000_module_exit(void)
 675 {
 676         /* deregister at USB subsystem */
 677         usb_deregister(&tm6000_usb_driver);
 678 }
 679
 680 module_init(tm6000_module_init);
 681 module_exit(tm6000_module_exit);
 682
 683 MODULE_DESCRIPTION("Trident TVMaster TM5600/TM6000 USB2 adapter");
 684 MODULE_AUTHOR("Mauro Carvalho Chehab");
 685 MODULE_LICENSE("GPL");