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