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