drivers/media/dvb/bt8xx/dvb-bt8xx.c

   1 /*
   2  * Bt8xx based DVB adapter driver
   3  *
   4  * Copyright (C) 2002,2003 Florian Schirmer <jolt@tuxbox.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; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  *
  20  */
  21
  22 #include <linux/bitops.h>
  23 #include <linux/module.h>
  24 #include <linux/moduleparam.h>
  25 #include <linux/init.h>
  26 #include <linux/device.h>
  27 #include <linux/delay.h>
  28 #include <linux/slab.h>
  29 #include <linux/i2c.h>
  30
  31 #include "dmxdev.h"
  32 #include "dvbdev.h"
  33 #include "dvb_demux.h"
  34 #include "dvb_frontend.h"
  35
  36 #include "dvb-bt8xx.h"
  37
  38 #include "bt878.h"
  39
  40 static int debug;
  41
  42 module_param(debug, int, 0644);
  43 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
  44
  45 #define dprintk( args... ) \
  46         do { \
  47                 if (debug) printk(KERN_DEBUG args); \
  48         } while (0)
  49
  50 static void dvb_bt8xx_task(unsigned long data)
  51 {
  52         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data;
  53
  54         //printk("%d ", card->bt->finished_block);
  55
  56         while (card->bt->last_block != card->bt->finished_block) {
  57                 (card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
  58                         (&card->demux,
  59                          &card->bt->buf_cpu[card->bt->last_block *
  60                                             card->bt->block_bytes],
  61                          card->bt->block_bytes);
  62                 card->bt->last_block = (card->bt->last_block + 1) %
  63                                         card->bt->block_count;
  64         }
  65 }
  66
  67 static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
  68 {
  69         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
  70         struct dvb_bt8xx_card *card = dvbdmx->priv;
  71         int rc;
  72
  73         dprintk("dvb_bt8xx: start_feed\n");
  74
  75         if (!dvbdmx->dmx.frontend)
  76                 return -EINVAL;
  77
  78         down(&card->lock);
  79         card->nfeeds++;
  80         rc = card->nfeeds;
  81         if (card->nfeeds == 1)
  82                 bt878_start(card->bt, card->gpio_mode,
  83                             card->op_sync_orin, card->irq_err_ignore);
  84         up(&card->lock);
  85         return rc;
  86 }
  87
  88 static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
  89 {
  90         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
  91         struct dvb_bt8xx_card *card = dvbdmx->priv;
  92
  93         dprintk("dvb_bt8xx: stop_feed\n");
  94
  95         if (!dvbdmx->dmx.frontend)
  96                 return -EINVAL;
  97
  98         down(&card->lock);
  99         card->nfeeds--;
 100         if (card->nfeeds == 0)
 101                 bt878_stop(card->bt);
 102         up(&card->lock);
 103
 104         return 0;
 105 }
 106
 107 static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev)
 108 {
 109         if ((adev->subsystem_vendor == bdev->subsystem_vendor) &&
 110                 (adev->subsystem_device == bdev->subsystem_device) &&
 111                 (adev->bus->number == bdev->bus->number) &&
 112                 (PCI_SLOT(adev->devfn) == PCI_SLOT(bdev->devfn)))
 113                 return 1;
 114         return 0;
 115 }
 116
 117 static struct bt878 __init *dvb_bt8xx_878_match(unsigned int bttv_nr, struct pci_dev* bttv_pci_dev)
 118 {
 119         unsigned int card_nr;
 120
 121         /* Hmm, n squared. Hope n is small */
 122         for (card_nr = 0; card_nr < bt878_num; card_nr++) {
 123                 if (is_pci_slot_eq(bt878[card_nr].dev, bttv_pci_dev))
 124                         return &bt878[card_nr];
 125         }
 126         return NULL;
 127 }
 128
 129
 130 static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
 131 {
 132         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
 133         static u8 mt352_reset [] = { 0x50, 0x80 };
 134         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 135         static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
 136         static u8 mt352_gpp_ctl_cfg [] = { 0x75, 0x33 };
 137         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 138
 139         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 140         udelay(2000);
 141         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 142         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 143
 144         mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
 145         mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
 146         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 147
 148         return 0;
 149 }
 150
 151 static int thomson_dtt7579_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
 152 {
 153         u32 div;
 154         unsigned char bs = 0;
 155         unsigned char cp = 0;
 156
 157         #define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
 158         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 159
 160         if (params->frequency < 542000000) cp = 0xb4;
 161         else if (params->frequency < 771000000) cp = 0xbc;
 162         else cp = 0xf4;
 163
 164         if (params->frequency == 0) bs = 0x03;
 165         else if (params->frequency < 443250000) bs = 0x02;
 166         else bs = 0x08;
 167
 168         pllbuf[0] = 0xc0; // Note: non-linux standard PLL i2c address
 169         pllbuf[1] = div >> 8;
 170         pllbuf[2] = div & 0xff;
 171         pllbuf[3] = cp;
 172         pllbuf[4] = bs;
 173
 174         return 0;
 175 }
 176
 177 static struct mt352_config thomson_dtt7579_config = {
 178
 179         .demod_address = 0x0f,
 180         .demod_init = thomson_dtt7579_demod_init,
 181         .pll_set = thomson_dtt7579_pll_set,
 182 };
 183
 184
 185
 186 static int microtune_mt7202dtf_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 187 {
 188         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 189         u8 cfg, cpump, band_select;
 190         u8 data[4];
 191         u32 div;
 192         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
 193
 194         div = (36000000 + params->frequency + 83333) / 166666;
 195         cfg = 0x88;
 196
 197         if (params->frequency < 175000000) cpump = 2;
 198         else if (params->frequency < 390000000) cpump = 1;
 199         else if (params->frequency < 470000000) cpump = 2;
 200         else if (params->frequency < 750000000) cpump = 2;
 201         else cpump = 3;
 202
 203         if (params->frequency < 175000000) band_select = 0x0e;
 204         else if (params->frequency < 470000000) band_select = 0x05;
 205         else band_select = 0x03;
 206
 207         data[0] = (div >> 8) & 0x7f;
 208         data[1] = div & 0xff;
 209         data[2] = ((div >> 10) & 0x60) | cfg;
 210         data[3] = cpump | band_select;
 211
 212         i2c_transfer(card->i2c_adapter, &msg, 1);
 213         return (div * 166666 - 36000000);
 214 }
 215
 216 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 217 {
 218         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 219
 220         return request_firmware(fw, name, &bt->bt->dev->dev);
 221 }
 222
 223 struct sp887x_config microtune_mt7202dtf_config = {
 224
 225         .demod_address = 0x70,
 226         .pll_set = microtune_mt7202dtf_pll_set,
 227         .request_firmware = microtune_mt7202dtf_request_firmware,
 228 };
 229
 230
 231
 232 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
 233 {
 234         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 235         static u8 mt352_reset [] = { 0x50, 0x80 };
 236         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 237         static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
 238                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
 239         static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
 240         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 241
 242
 243         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 244         udelay(2000);
 245         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 246         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 247
 248         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 249         udelay(2000);
 250         mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
 251         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 252
 253         return 0;
 254 }
 255
 256 static int advbt771_samsung_tdtc9251dh0_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
 257 {
 258         u32 div;
 259         unsigned char bs = 0;
 260         unsigned char cp = 0;
 261
 262         #define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
 263         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 264
 265         if (params->frequency < 150000000) cp = 0xB4;
 266         else if (params->frequency < 173000000) cp = 0xBC;
 267         else if (params->frequency < 250000000) cp = 0xB4;
 268         else if (params->frequency < 400000000) cp = 0xBC;
 269         else if (params->frequency < 420000000) cp = 0xF4;
 270         else if (params->frequency < 470000000) cp = 0xFC;
 271         else if (params->frequency < 600000000) cp = 0xBC;
 272         else if (params->frequency < 730000000) cp = 0xF4;
 273         else cp = 0xFC;
 274
 275         if (params->frequency < 150000000) bs = 0x01;
 276         else if (params->frequency < 173000000) bs = 0x01;
 277         else if (params->frequency < 250000000) bs = 0x02;
 278         else if (params->frequency < 400000000) bs = 0x02;
 279         else if (params->frequency < 420000000) bs = 0x02;
 280         else if (params->frequency < 470000000) bs = 0x02;
 281         else if (params->frequency < 600000000) bs = 0x08;
 282         else if (params->frequency < 730000000) bs = 0x08;
 283         else bs = 0x08;
 284
 285         pllbuf[0] = 0xc2; // Note: non-linux standard PLL i2c address
 286         pllbuf[1] = div >> 8;
 287         pllbuf[2] = div & 0xff;
 288         pllbuf[3] = cp;
 289         pllbuf[4] = bs;
 290
 291         return 0;
 292 }
 293
 294 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
 295
 296         .demod_address = 0x0f,
 297         .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
 298         .pll_set = advbt771_samsung_tdtc9251dh0_pll_set,
 299 };
 300
 301
 302 static struct dst_config dst_config = {
 303
 304         .demod_address = 0x55,
 305 };
 306
 307
 308 static int vp3021_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 309 {
 310         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 311         u8 buf[4];
 312         u32 div;
 313         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
 314
 315         div = (params->frequency + 36166667) / 166667;
 316
 317         buf[0] = (div >> 8) & 0x7F;
 318         buf[1] = div & 0xFF;
 319         buf[2] = 0x85;
 320         if ((params->frequency >= 47000000) && (params->frequency < 153000000))
 321                 buf[3] = 0x01;
 322         else if ((params->frequency >= 153000000) && (params->frequency < 430000000))
 323                 buf[3] = 0x02;
 324         else if ((params->frequency >= 430000000) && (params->frequency < 824000000))
 325                 buf[3] = 0x0C;
 326         else if ((params->frequency >= 824000000) && (params->frequency < 863000000))
 327                 buf[3] = 0x8C;
 328         else
 329                 return -EINVAL;
 330
 331         i2c_transfer(card->i2c_adapter, &msg, 1);
 332         return 0;
 333 }
 334
 335 static struct nxt6000_config vp3021_alps_tded4_config = {
 336
 337         .demod_address = 0x0a,
 338         .clock_inversion = 1,
 339         .pll_set = vp3021_alps_tded4_pll_set,
 340 };
 341
 342
 343 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 344 {
 345         switch(type) {
 346 #ifdef BTTV_DVICO_DVBT_LITE
 347         case BTTV_DVICO_DVBT_LITE:
 348                 card->fe = mt352_attach(&thomson_dtt7579_config, card->i2c_adapter);
 349                 if (card->fe != NULL) {
 350                         card->fe->ops->info.frequency_min = 174000000;
 351                         card->fe->ops->info.frequency_max = 862000000;
 352                         break;
 353                 }
 354                 break;
 355 #endif
 356
 357 #ifdef BTTV_TWINHAN_VP3021
 358         case BTTV_TWINHAN_VP3021:
 359 #else
 360         case BTTV_NEBULA_DIGITV:
 361 #endif
 362                 card->fe = nxt6000_attach(&vp3021_alps_tded4_config, card->i2c_adapter);
 363                 if (card->fe != NULL) {
 364                         break;
 365                 }
 366                 break;
 367
 368         case BTTV_AVDVBT_761:
 369                 card->fe = sp887x_attach(&microtune_mt7202dtf_config, card->i2c_adapter);
 370                 if (card->fe != NULL) {
 371                         break;
 372                 }
 373                 break;
 374
 375         case BTTV_AVDVBT_771:
 376                 card->fe = mt352_attach(&advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
 377                 if (card->fe != NULL) {
 378                         card->fe->ops->info.frequency_min = 174000000;
 379                         card->fe->ops->info.frequency_max = 862000000;
 380                         break;
 381                 }
 382                 break;
 383
 384         case BTTV_TWINHAN_DST:
 385                 card->fe = dst_attach(&dst_config, card->i2c_adapter, card->bt);
 386                 if (card->fe != NULL) {
 387                         break;
 388                 }
 389                 break;
 390         }
 391
 392         if (card->fe == NULL) {
 393                 printk("dvb-bt8xx: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
 394                        card->bt->dev->vendor,
 395                        card->bt->dev->device,
 396                        card->bt->dev->subsystem_vendor,
 397                        card->bt->dev->subsystem_device);
 398         } else {
 399                 if (dvb_register_frontend(card->dvb_adapter, card->fe)) {
 400                         printk("dvb-bt8xx: Frontend registration failed!\n");
 401                         if (card->fe->ops->release)
 402                                 card->fe->ops->release(card->fe);
 403                         card->fe = NULL;
 404                 }
 405         }
 406 }
 407
 408 static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 409 {
 410         int result;
 411
 412         if ((result = dvb_register_adapter(&card->dvb_adapter, card->card_name,
 413                                            THIS_MODULE)) < 0) {
 414                 printk("dvb_bt8xx: dvb_register_adapter failed (errno = %d)\n", result);
 415                 return result;
 416
 417         }
 418         card->dvb_adapter->priv = card;
 419
 420         card->bt->adapter = card->i2c_adapter;
 421
 422         memset(&card->demux, 0, sizeof(struct dvb_demux));
 423
 424         card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
 425
 426         card->demux.priv = card;
 427         card->demux.filternum = 256;
 428         card->demux.feednum = 256;
 429         card->demux.start_feed = dvb_bt8xx_start_feed;
 430         card->demux.stop_feed = dvb_bt8xx_stop_feed;
 431         card->demux.write_to_decoder = NULL;
 432
 433         if ((result = dvb_dmx_init(&card->demux)) < 0) {
 434                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 435
 436                 dvb_unregister_adapter(card->dvb_adapter);
 437                 return result;
 438         }
 439
 440         card->dmxdev.filternum = 256;
 441         card->dmxdev.demux = &card->demux.dmx;
 442         card->dmxdev.capabilities = 0;
 443
 444         if ((result = dvb_dmxdev_init(&card->dmxdev, card->dvb_adapter)) < 0) {
 445                 printk("dvb_bt8xx: dvb_dmxdev_init failed (errno = %d)\n", result);
 446
 447                 dvb_dmx_release(&card->demux);
 448                 dvb_unregister_adapter(card->dvb_adapter);
 449                 return result;
 450         }
 451
 452         card->fe_hw.source = DMX_FRONTEND_0;
 453
 454         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
 455                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 456
 457                 dvb_dmxdev_release(&card->dmxdev);
 458                 dvb_dmx_release(&card->demux);
 459                 dvb_unregister_adapter(card->dvb_adapter);
 460                 return result;
 461         }
 462
 463         card->fe_mem.source = DMX_MEMORY_FE;
 464
 465         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem)) < 0) {
 466                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 467
 468                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 469                 dvb_dmxdev_release(&card->dmxdev);
 470                 dvb_dmx_release(&card->demux);
 471                 dvb_unregister_adapter(card->dvb_adapter);
 472                 return result;
 473         }
 474
 475         if ((result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
 476                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 477
 478                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 479                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 480                 dvb_dmxdev_release(&card->dmxdev);
 481                 dvb_dmx_release(&card->demux);
 482                 dvb_unregister_adapter(card->dvb_adapter);
 483                 return result;
 484         }
 485
 486         dvb_net_init(card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
 487
 488         tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
 489
 490         frontend_init(card, type);
 491
 492         return 0;
 493 }
 494
 495 static int dvb_bt8xx_probe(struct device *dev)
 496 {
 497         struct bttv_sub_device *sub = to_bttv_sub_dev(dev);
 498         struct dvb_bt8xx_card *card;
 499         struct pci_dev* bttv_pci_dev;
 500         int ret;
 501
 502         if (!(card = kmalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
 503                 return -ENOMEM;
 504
 505         memset(card, 0, sizeof(*card));
 506         init_MUTEX(&card->lock);
 507         card->bttv_nr = sub->core->nr;
 508         strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));
 509         card->i2c_adapter = &sub->core->i2c_adap;
 510
 511         switch(sub->core->type)
 512         {
 513 /*      case BTTV_PINNACLESAT: UNDEFINED HARDWARE */
 514 #ifdef BTTV_DVICO_DVBT_LITE
 515         case BTTV_DVICO_DVBT_LITE:
 516 #endif
 517                 card->gpio_mode = 0x0400C060;
 518                 card->op_sync_orin = 0;
 519                 card->irq_err_ignore = 0;
 520                                 /* 26, 15, 14, 6, 5
 521                  * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
 522                                  * DA_APP(parallel) */
 523                                 break;
 524
 525 #ifdef BTTV_TWINHAN_VP3021
 526         case BTTV_TWINHAN_VP3021:
 527 #else
 528         case BTTV_NEBULA_DIGITV:
 529 #endif
 530         case BTTV_AVDVBT_761:
 531                 card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
 532                 card->op_sync_orin = 0;
 533                 card->irq_err_ignore = 0;
 534                                 /* A_PWRDN DA_SBR DA_APP (high speed serial) */
 535                                 break;
 536
 537         case BTTV_AVDVBT_771: //case 0x07711461:
 538                 card->gpio_mode = 0x0400402B;
 539                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 540                 card->irq_err_ignore = 0;
 541                 /* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
 542                                 break;
 543
 544         case BTTV_TWINHAN_DST:
 545                 card->gpio_mode = 0x2204f2c;
 546                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 547                 card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
 548                                        BT878_APPERR | BT878_AFBUS;
 549                                 /* 25,21,14,11,10,9,8,3,2 then
 550                                  * 0x33 = 5,4,1,0
 551                                  * A_SEL=SML, DA_MLB, DA_SBR,
 552                                  * DA_SDR=f, fifo trigger = 32 DWORDS
 553                                  * IOM = 0 == audio A/D
 554                                  * DPM = 0 == digital audio mode
 555                                  * == async data parallel port
 556                                  * then 0x33 (13 is set by start_capture)
 557                                  * DA_APP = async data parallel port,
 558                                  * ACAP_EN = 1,
 559                                  * RISC+FIFO ENABLE */
 560                                 break;
 561
 562                         default:
 563                 printk(KERN_WARNING "dvb_bt8xx: Unknown bttv card type: %d.\n",
 564                                 sub->core->type);
 565                 kfree(card);
 566                 return -ENODEV;
 567                 }
 568
 569         dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
 570
 571         if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
 572                 printk("dvb_bt8xx: no pci device for card %d\n", card->bttv_nr);
 573                 kfree(card);
 574                 return -EFAULT;
 575         }
 576
 577         if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
 578                 printk("dvb_bt8xx: unable to determine DMA core of card %d,\n",
 579                        card->bttv_nr);
 580                 printk("dvb_bt8xx: if you have the ALSA bt87x audio driver "
 581                        "installed, try removing it.\n");
 582
 583                 kfree(card);
 584                 return -EFAULT;
 585
 586 }
 587
 588         init_MUTEX(&card->bt->gpio_lock);
 589         card->bt->bttv_nr = sub->core->nr;
 590
 591         if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
 592                 kfree(card);
 593                 return ret;
 594         }
 595
 596         dev_set_drvdata(dev, card);
 597         return 0;
 598 }
 599
 600 static int dvb_bt8xx_remove(struct device *dev)
 601 {
 602         struct dvb_bt8xx_card *card = dev_get_drvdata(dev);
 603
 604                 dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
 605
 606                 bt878_stop(card->bt);
 607                 tasklet_kill(&card->bt->tasklet);
 608                 dvb_net_release(&card->dvbnet);
 609                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 610                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 611                 dvb_dmxdev_release(&card->dmxdev);
 612                 dvb_dmx_release(&card->demux);
 613         if (card->fe) dvb_unregister_frontend(card->fe);
 614                 dvb_unregister_adapter(card->dvb_adapter);
 615
 616                 kfree(card);
 617
 618         return 0;
 619         }
 620
 621 static struct bttv_sub_driver driver = {
 622         .drv = {
 623                 .name           = "dvb-bt8xx",
 624                 .probe          = dvb_bt8xx_probe,
 625                 .remove         = dvb_bt8xx_remove,
 626                 /* FIXME:
 627                  * .shutdown    = dvb_bt8xx_shutdown,
 628                  * .suspend     = dvb_bt8xx_suspend,
 629                  * .resume      = dvb_bt8xx_resume,
 630                  */
 631         },
 632 };
 633
 634 static int __init dvb_bt8xx_init(void)
 635 {
 636         return bttv_sub_register(&driver, "dvb");
 637 }
 638
 639 static void __exit dvb_bt8xx_exit(void)
 640 {
 641         bttv_sub_unregister(&driver);
 642 }
 643
 644 module_init(dvb_bt8xx_init);
 645 module_exit(dvb_bt8xx_exit);
 646 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
 647 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
 648 MODULE_LICENSE("GPL");
 649