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
  30 #include "tm6000.h"
  31 #include "tm6000-regs.h"
  32 #include "tuner-xc2028.h"
  33
  34 #define TM6000_BOARD_UNKNOWN                    0
  35 #define TM5600_BOARD_GENERIC                    1
  36 #define TM6000_BOARD_GENERIC                    2
  37 #define TM6010_BOARD_GENERIC                    3
  38 #define TM5600_BOARD_10MOONS_UT821              4
  39 #define TM5600_BOARD_10MOONS_UT330              5
  40 #define TM6000_BOARD_ADSTECH_DUAL_TV            6
  41 #define TM6000_BOARD_FREECOM_AND_SIMILAR        7
  42 #define TM6000_BOARD_ADSTECH_MINI_DUAL_TV       8
  43 #define TM6010_BOARD_HAUPPAUGE_900H             9
  44
  45 #define TM6000_MAXBOARDS        16
  46 static unsigned int card[]     = {[0 ... (TM6000_MAXBOARDS - 1)] = UNSET };
  47
  48 module_param_array(card,  int, NULL, 0444);
  49
  50 static unsigned long tm6000_devused;
  51
  52
  53 struct tm6000_board {
  54         char            *name;
  55
  56         struct tm6000_capabilities caps;
  57
  58         enum            tm6000_devtype type;    /* variant of the chipset */
  59         int             tuner_type;     /* type of the tuner */
  60         int             tuner_addr;     /* tuner address */
  61         int             demod_addr;     /* demodulator address */
  62         int             gpio_addr_tun_reset;    /* GPIO used for tuner reset */
  63 };
  64
  65 struct tm6000_board tm6000_boards[] = {
  66         [TM6000_BOARD_UNKNOWN] = {
  67                 .name         = "Unknown tm6000 video grabber",
  68                 .caps = {
  69                         .has_tuner    = 1,
  70                 },
  71                 .gpio_addr_tun_reset = TM6000_GPIO_1,
  72         },
  73         [TM5600_BOARD_GENERIC] = {
  74                 .name         = "Generic tm5600 board",
  75                 .type         = TM5600,
  76                 .tuner_type   = TUNER_XC2028,
  77                 .tuner_addr   = 0xc2,
  78                 .caps = {
  79                         .has_tuner      = 1,
  80                 },
  81                 .gpio_addr_tun_reset = TM6000_GPIO_1,
  82         },
  83         [TM6000_BOARD_GENERIC] = {
  84                 .name         = "Generic tm6000 board",
  85                 .tuner_type   = TUNER_XC2028,
  86                 .tuner_addr   = 0xc2,
  87                 .caps = {
  88                         .has_tuner      = 1,
  89                         .has_dvb        = 1,
  90                 },
  91                 .gpio_addr_tun_reset = TM6000_GPIO_1,
  92         },
  93         [TM6010_BOARD_GENERIC] = {
  94                 .name         = "Generic tm6010 board",
  95                 .type         = TM6010,
  96                 .tuner_type   = TUNER_XC2028,
  97                 .tuner_addr   = 0xc2,
  98                 .caps = {
  99                         .has_tuner      = 1,
 100                         .has_dvb        = 1,
 101                 },
 102                 .gpio_addr_tun_reset = TM6010_GPIO_4,
 103         },
 104         [TM5600_BOARD_10MOONS_UT821] = {
 105                 .name         = "10Moons UT 821",
 106                 .tuner_type   = TUNER_XC2028,
 107                 .type         = TM5600,
 108                 .tuner_addr   = 0xc2,
 109                 .caps = {
 110                         .has_tuner    = 1,
 111                         .has_eeprom   = 1,
 112                 },
 113                 .gpio_addr_tun_reset = TM6000_GPIO_1,
 114         },
 115         [TM5600_BOARD_10MOONS_UT330] = {
 116                 .name         = "10Moons UT 330",
 117                 .tuner_type   = TUNER_PHILIPS_FQ1216AME_MK4,
 118                 .tuner_addr   = 0xc8,
 119                 .caps = {
 120                         .has_tuner    = 1,
 121                         .has_dvb      = 0,
 122                         .has_zl10353  = 0,
 123                         .has_eeprom   = 1,
 124                 },
 125         },
 126         [TM6000_BOARD_ADSTECH_DUAL_TV] = {
 127                 .name         = "ADSTECH Dual TV USB",
 128                 .tuner_type   = TUNER_XC2028,
 129                 .tuner_addr   = 0xc8,
 130                 .caps = {
 131                         .has_tuner    = 1,
 132                         .has_tda9874  = 1,
 133                         .has_dvb      = 1,
 134                         .has_zl10353  = 1,
 135                         .has_eeprom   = 1,
 136                 },
 137         },
 138         [TM6000_BOARD_FREECOM_AND_SIMILAR] = {
 139                 .name         = "Freecom Hybrid Stick / Moka DVB-T Receiver Dual",
 140                 .tuner_type   = TUNER_XC2028, /* has a XC3028 */
 141                 .tuner_addr   = 0xc2,
 142                 .demod_addr   = 0x1e,
 143                 .caps = {
 144                         .has_tuner    = 1,
 145                         .has_dvb      = 1,
 146                         .has_zl10353  = 1,
 147                         .has_eeprom   = 0,
 148                         .has_remote   = 1,
 149                 },
 150                 .gpio_addr_tun_reset = TM6000_GPIO_4,
 151         },
 152         [TM6000_BOARD_ADSTECH_MINI_DUAL_TV] = {
 153                 .name         = "ADSTECH Mini Dual TV USB",
 154                 .tuner_type   = TUNER_XC2028, /* has a XC3028 */
 155                 .tuner_addr   = 0xc8,
 156                 .demod_addr   = 0x1e,
 157                 .caps = {
 158                         .has_tuner    = 1,
 159                         .has_dvb      = 1,
 160                         .has_zl10353  = 1,
 161                         .has_eeprom   = 0,
 162                 },
 163                 .gpio_addr_tun_reset = TM6000_GPIO_4,
 164         },
 165         [TM6010_BOARD_HAUPPAUGE_900H] = {
 166                 .name         = "Hauppauge HVR-900H",
 167                 .tuner_type   = TUNER_XC2028, /* has a XC3028 */
 168                 .tuner_addr   = 0xc2,
 169                 .demod_addr   = 0x1e,
 170                 .type         = TM6010,
 171                 .caps = {
 172                         .has_tuner    = 1,
 173                         .has_dvb      = 1,
 174                         .has_zl10353  = 1,
 175                         .has_eeprom   = 1,
 176                 },
 177                 .gpio_addr_tun_reset = TM6000_GPIO_2,
 178         },
 179 };
 180
 181 /* table of devices that work with this driver */
 182 struct usb_device_id tm6000_id_table [] = {
 183         { USB_DEVICE(0x6000, 0x0001), .driver_info = TM5600_BOARD_10MOONS_UT821 },
 184         { USB_DEVICE(0x6000, 0x0002), .driver_info = TM6010_BOARD_GENERIC },
 185         { USB_DEVICE(0x06e1, 0xf332), .driver_info = TM6000_BOARD_ADSTECH_DUAL_TV },
 186         { USB_DEVICE(0x14aa, 0x0620), .driver_info = TM6000_BOARD_FREECOM_AND_SIMILAR },
 187         { USB_DEVICE(0x06e1, 0xb339), .driver_info = TM6000_BOARD_ADSTECH_MINI_DUAL_TV },
 188         { USB_DEVICE(0x2040, 0x6600), .driver_info = TM6010_BOARD_HAUPPAUGE_900H },
 189         { },
 190 };
 191
 192 static void tm6000_config_tuner (struct tm6000_core *dev)
 193 {
 194         request_module ("tuner");
 195
 196         if (dev->tuner_type == TUNER_XC2028) {
 197                 struct v4l2_priv_tun_config  xc2028_cfg;
 198                 struct xc2028_ctrl           ctl;
 199
 200                 memset (&ctl,0,sizeof(ctl));
 201
 202                 ctl.mts   = 1;
 203                 ctl.read_not_reliable = 1;
 204                 ctl.msleep = 10;
 205
 206                 xc2028_cfg.tuner = TUNER_XC2028;
 207                 xc2028_cfg.priv  = &ctl;
 208
 209                 switch(dev->model) {
 210                 case TM6010_BOARD_HAUPPAUGE_900H:
 211                         ctl.fname = "xc3028L-v36.fw";
 212                         break;
 213                 default:
 214                         if (dev->dev_type == TM6010)
 215                                 ctl.fname = "xc3028-v27.fw";
 216                         else
 217                                 ctl.fname = "tm6000-xc3028.fw";
 218                 }
 219
 220                 printk(KERN_INFO "Setting firmware parameters for xc2028\n");
 221
 222                 tm6000_i2c_call_clients(dev, TUNER_SET_CONFIG, &xc2028_cfg);
 223         }
 224 }
 225
 226 static int tm6000_init_dev(struct tm6000_core *dev)
 227 {
 228         struct v4l2_frequency f;
 229         int rc = 0;
 230
 231         mutex_init(&dev->lock);
 232
 233         mutex_lock(&dev->lock);
 234
 235         /* Initializa board-specific data */
 236         dev->dev_type   = tm6000_boards[dev->model].type;
 237         dev->tuner_type = tm6000_boards[dev->model].tuner_type;
 238         dev->tuner_addr = tm6000_boards[dev->model].tuner_addr;
 239         dev->tuner_reset_gpio = tm6000_boards[dev->model].gpio_addr_tun_reset;
 240
 241         dev->demod_addr = tm6000_boards[dev->model].demod_addr;
 242
 243         dev->caps = tm6000_boards[dev->model].caps;
 244
 245         /* initialize hardware */
 246         rc=tm6000_init (dev);
 247         if (rc<0)
 248                 goto err;
 249
 250         /* register i2c bus */
 251         rc=tm6000_i2c_register(dev);
 252         if (rc<0)
 253                 goto err;
 254
 255         /* register and initialize V4L2 */
 256         rc=tm6000_v4l2_register(dev);
 257         if (rc<0)
 258                 goto err;
 259
 260         /* Default values for STD and resolutions */
 261         dev->width = 720;
 262         dev->height = 480;
 263         dev->norm = V4L2_STD_PAL_M;
 264
 265         /* Configure tuner */
 266         tm6000_config_tuner (dev);
 267
 268         /* Set video standard */
 269         tm6000_i2c_call_clients(dev, VIDIOC_S_STD, &dev->norm);
 270
 271         /* Set tuner frequency - also loads firmware on xc2028/xc3028 */
 272         f.tuner = 0;
 273         f.type = V4L2_TUNER_ANALOG_TV;
 274         f.frequency = 3092;     /* 193.25 MHz */
 275         dev->freq = f.frequency;
 276         tm6000_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
 277
 278         if(dev->caps.has_dvb) {
 279                 dev->dvb = kzalloc(sizeof(*(dev->dvb)), GFP_KERNEL);
 280                 if(!dev->dvb) {
 281                         rc = -ENOMEM;
 282                         goto err;
 283                 }
 284 #ifdef CONFIG_VIDEO_TM6000_DVB
 285                 rc = tm6000_dvb_register(dev);
 286                 if(rc < 0) {
 287                         kfree(dev->dvb);
 288                         dev->dvb = NULL;
 289                         goto err;
 290                 }
 291 #endif
 292         }
 293 err:
 294         mutex_unlock(&dev->lock);
 295         return rc;
 296 }
 297
 298 /* high bandwidth multiplier, as encoded in highspeed endpoint descriptors */
 299 #define hb_mult(wMaxPacketSize) (1 + (((wMaxPacketSize) >> 11) & 0x03))
 300
 301 static void get_max_endpoint (  struct usb_device *usbdev,
 302                                 char *msgtype,
 303                                 struct usb_host_endpoint *curr_e,
 304                                 unsigned int *maxsize,
 305                                 struct usb_host_endpoint **ep  )
 306 {
 307         u16 tmp = le16_to_cpu(curr_e->desc.wMaxPacketSize);
 308         unsigned int size = tmp & 0x7ff;
 309
 310         if (usbdev->speed == USB_SPEED_HIGH)
 311                 size = size * hb_mult (tmp);
 312
 313         if (size>*maxsize) {
 314                 *ep = curr_e;
 315                 *maxsize = size;
 316                 printk("tm6000: %s endpoint: 0x%02x (max size=%u bytes)\n",
 317                                         msgtype, curr_e->desc.bEndpointAddress,
 318                                         size);
 319         }
 320 }
 321
 322 /*
 323  * tm6000_usb_probe()
 324  * checks for supported devices
 325  */
 326 static int tm6000_usb_probe(struct usb_interface *interface,
 327                             const struct usb_device_id *id)
 328 {
 329         struct usb_device *usbdev;
 330         struct tm6000_core *dev = NULL;
 331         int i,rc=0;
 332         int nr=0;
 333         char *speed;
 334
 335
 336         usbdev=usb_get_dev(interface_to_usbdev(interface));
 337
 338         /* Selects the proper interface */
 339         rc=usb_set_interface(usbdev,0,1);
 340         if (rc<0)
 341                 goto err;
 342
 343         /* Check to see next free device and mark as used */
 344         nr=find_first_zero_bit(&tm6000_devused,TM6000_MAXBOARDS);
 345         if (nr >= TM6000_MAXBOARDS) {
 346                 printk ("tm6000: Supports only %i em28xx boards.\n",TM6000_MAXBOARDS);
 347                 usb_put_dev(usbdev);
 348                 return -ENOMEM;
 349         }
 350
 351         /* Create and initialize dev struct */
 352         dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 353         if (dev == NULL) {
 354                 printk ("tm6000" ": out of memory!\n");
 355                 usb_put_dev(usbdev);
 356                 return -ENOMEM;
 357         }
 358         spin_lock_init(&dev->slock);
 359
 360         /* Increment usage count */
 361         tm6000_devused|=1<<nr;
 362         snprintf(dev->name, 29, "tm6000 #%d", nr);
 363
 364         dev->model=id->driver_info;
 365         if ((card[nr]>=0) && (card[nr]<ARRAY_SIZE(tm6000_boards))) {
 366                 dev->model=card[nr];
 367         }
 368
 369         INIT_LIST_HEAD(&dev->tm6000_corelist);
 370         dev->udev= usbdev;
 371         dev->devno=nr;
 372
 373         switch (usbdev->speed) {
 374         case USB_SPEED_LOW:
 375                 speed = "1.5";
 376                 break;
 377         case USB_SPEED_UNKNOWN:
 378         case USB_SPEED_FULL:
 379                 speed = "12";
 380                 break;
 381         case USB_SPEED_HIGH:
 382                 speed = "480";
 383                 break;
 384         default:
 385                 speed = "unknown";
 386         }
 387
 388
 389
 390         /* Get endpoints */
 391         for (i = 0; i < interface->num_altsetting; i++) {
 392                 int ep;
 393
 394                 for (ep = 0; ep < interface->altsetting[i].desc.bNumEndpoints; ep++) {
 395                         struct usb_host_endpoint        *e;
 396                         int dir_out;
 397
 398                         e = &interface->altsetting[i].endpoint[ep];
 399
 400                         dir_out = ((e->desc.bEndpointAddress &
 401                                         USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
 402
 403                         printk("tm6000: alt %d, interface %i, class %i\n",
 404                                i,
 405                                interface->altsetting[i].desc.bInterfaceNumber,
 406                                interface->altsetting[i].desc.bInterfaceClass);
 407
 408                         switch (e->desc.bmAttributes) {
 409                         case USB_ENDPOINT_XFER_BULK:
 410                                 if (!dir_out) {
 411                                         get_max_endpoint (usbdev, "Bulk IN", e,
 412                                                         &dev->max_bulk_in,
 413                                                         &dev->bulk_in);
 414                                 } else {
 415                                         get_max_endpoint (usbdev, "Bulk OUT", e,
 416                                                         &dev->max_bulk_out,
 417                                                         &dev->bulk_out);
 418                                 }
 419                                 break;
 420                         case USB_ENDPOINT_XFER_ISOC:
 421                                 if (!dir_out) {
 422                                         get_max_endpoint (usbdev, "ISOC IN", e,
 423                                                         &dev->max_isoc_in,
 424                                                         &dev->isoc_in);
 425                                 } else {
 426                                         get_max_endpoint (usbdev, "ISOC OUT", e,
 427                                                         &dev->max_isoc_out,
 428                                                         &dev->isoc_out);
 429                                 }
 430                                 break;
 431                         }
 432                 }
 433         }
 434
 435
 436         printk("tm6000: New video device @ %s Mbps (%04x:%04x, ifnum %d)\n",
 437                 speed,
 438                 le16_to_cpu(dev->udev->descriptor.idVendor),
 439                 le16_to_cpu(dev->udev->descriptor.idProduct),
 440                 interface->altsetting->desc.bInterfaceNumber);
 441
 442 /* check if the the device has the iso in endpoint at the correct place */
 443         if (!dev->isoc_in) {
 444                 printk("tm6000: probing error: no IN ISOC endpoint!\n");
 445                 rc= -ENODEV;
 446
 447                 goto err;
 448         }
 449
 450         /* save our data pointer in this interface device */
 451         usb_set_intfdata(interface, dev);
 452
 453         printk("tm6000: Found %s\n", tm6000_boards[dev->model].name);
 454
 455         rc=tm6000_init_dev(dev);
 456
 457         if (rc<0)
 458                 goto err;
 459
 460         return 0;
 461
 462 err:
 463         tm6000_devused&=~(1<<nr);
 464         usb_put_dev(usbdev);
 465
 466         kfree(dev);
 467         return rc;
 468 }
 469
 470 /*
 471  * tm6000_usb_disconnect()
 472  * called when the device gets diconencted
 473  * video device will be unregistered on v4l2_close in case it is still open
 474  */
 475 static void tm6000_usb_disconnect(struct usb_interface *interface)
 476 {
 477         struct tm6000_core *dev = usb_get_intfdata(interface);
 478         usb_set_intfdata(interface, NULL);
 479
 480         if (!dev)
 481                 return;
 482
 483         printk("tm6000: disconnecting %s\n", dev->name);
 484
 485         mutex_lock(&dev->lock);
 486
 487 #ifdef CONFIG_VIDEO_TM6000_DVB
 488         if(dev->dvb) {
 489                 tm6000_dvb_unregister(dev);
 490                 kfree(dev->dvb);
 491         }
 492 #endif
 493
 494         tm6000_v4l2_unregister(dev);
 495
 496         tm6000_i2c_unregister(dev);
 497
 498 //      wake_up_interruptible_all(&dev->open);
 499
 500         dev->state |= DEV_DISCONNECTED;
 501
 502         usb_put_dev(dev->udev);
 503
 504         mutex_unlock(&dev->lock);
 505         kfree(dev);
 506 }
 507
 508 static struct usb_driver tm6000_usb_driver = {
 509                 .name = "tm6000",
 510                 .probe = tm6000_usb_probe,
 511                 .disconnect = tm6000_usb_disconnect,
 512                 .id_table = tm6000_id_table,
 513 };
 514
 515 static int __init tm6000_module_init(void)
 516 {
 517         int result;
 518
 519         printk(KERN_INFO "tm6000" " v4l2 driver version %d.%d.%d loaded\n",
 520                (TM6000_VERSION  >> 16) & 0xff,
 521                (TM6000_VERSION  >> 8) & 0xff, TM6000_VERSION  & 0xff);
 522
 523         /* register this driver with the USB subsystem */
 524         result = usb_register(&tm6000_usb_driver);
 525         if (result)
 526                 printk("tm6000"
 527                            " usb_register failed. Error number %d.\n", result);
 528
 529         return result;
 530 }
 531
 532 static void __exit tm6000_module_exit(void)
 533 {
 534         /* deregister at USB subsystem */
 535         usb_deregister(&tm6000_usb_driver);
 536 }
 537
 538 module_init(tm6000_module_init);
 539 module_exit(tm6000_module_exit);
 540
 541 MODULE_DESCRIPTION("Trident TVMaster TM5600/TM6000 USB2 adapter");
 542 MODULE_AUTHOR("Mauro Carvalho Chehab");
 543 MODULE_LICENSE("GPL");