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 static int cx24108_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 185 {
 186    u32 freq = params->frequency;
 187
 188    int i, a, n, pump;
 189    u32 band, pll;
 190
 191
 192    u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
 193                1576000,1718000,1856000,2036000,2150000};
 194    u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
 195                0x00102000,0x00104000,0x00108000,0x00110000,
 196                0x00120000,0x00140000};
 197
 198 #define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
 199         printk("cx24108 debug: entering SetTunerFreq, freq=%d\n",freq);
 200
 201         /* This is really the bit driving the tuner chip cx24108 */
 202
 203         if(freq<950000) freq=950000; /* kHz */
 204         if(freq>2150000) freq=2150000; /* satellite IF is 950..2150MHz */
 205
 206         /* decide which VCO to use for the input frequency */
 207         for(i=1;(i<sizeof(osci)/sizeof(osci[0]))&&(osci[i]<freq);i++);
 208         printk("cx24108 debug: select vco #%d (f=%d)\n",i,freq);
 209         band=bandsel[i];
 210         /* the gain values must be set by SetSymbolrate */
 211         /* compute the pll divider needed, from Conexant data sheet,
 212            resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
 213            depending on the divider bit. It is set to /4 on the 2 lowest
 214            bands  */
 215         n=((i<=2?2:1)*freq*10L)/(XTAL/100);
 216         a=n%32; n/=32; if(a==0) n--;
 217         pump=(freq<(osci[i-1]+osci[i])/2);
 218         pll=0xf8000000|
 219             ((pump?1:2)<<(14+11))|
 220             ((n&0x1ff)<<(5+11))|
 221             ((a&0x1f)<<11);
 222         /* everything is shifted left 11 bits to left-align the bits in the
 223            32bit word. Output to the tuner goes MSB-aligned, after all */
 224         printk("cx24108 debug: pump=%d, n=%d, a=%d\n",pump,n,a);
 225         cx24110_pll_write(fe,band);
 226         /* set vga and vca to their widest-band settings, as a precaution.
 227            SetSymbolrate might not be called to set this up */
 228         cx24110_pll_write(fe,0x500c0000);
 229         cx24110_pll_write(fe,0x83f1f800);
 230         cx24110_pll_write(fe,pll);
 231 /*        writereg(client,0x56,0x7f);*/
 232
 233         return 0;
 234 }
 235
 236 static int pinnsat_pll_init(struct dvb_frontend* fe)
 237 {
 238    return 0;
 239 }
 240
 241
 242 static struct cx24110_config pctvsat_config = {
 243
 244         .demod_address = 0x55,
 245         .pll_init = pinnsat_pll_init,
 246         .pll_set = cx24108_pll_set,
 247 };
 248
 249
 250 static int microtune_mt7202dtf_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 251 {
 252         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 253         u8 cfg, cpump, band_select;
 254         u8 data[4];
 255         u32 div;
 256         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
 257
 258         div = (36000000 + params->frequency + 83333) / 166666;
 259         cfg = 0x88;
 260
 261         if (params->frequency < 175000000) cpump = 2;
 262         else if (params->frequency < 390000000) cpump = 1;
 263         else if (params->frequency < 470000000) cpump = 2;
 264         else if (params->frequency < 750000000) cpump = 2;
 265         else cpump = 3;
 266
 267         if (params->frequency < 175000000) band_select = 0x0e;
 268         else if (params->frequency < 470000000) band_select = 0x05;
 269         else band_select = 0x03;
 270
 271         data[0] = (div >> 8) & 0x7f;
 272         data[1] = div & 0xff;
 273         data[2] = ((div >> 10) & 0x60) | cfg;
 274         data[3] = cpump | band_select;
 275
 276         i2c_transfer(card->i2c_adapter, &msg, 1);
 277         return (div * 166666 - 36000000);
 278 }
 279
 280 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 281 {
 282         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 283
 284         return request_firmware(fw, name, &bt->bt->dev->dev);
 285 }
 286
 287 static struct sp887x_config microtune_mt7202dtf_config = {
 288
 289         .demod_address = 0x70,
 290         .pll_set = microtune_mt7202dtf_pll_set,
 291         .request_firmware = microtune_mt7202dtf_request_firmware,
 292 };
 293
 294
 295
 296 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
 297 {
 298         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 299         static u8 mt352_reset [] = { 0x50, 0x80 };
 300         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 301         static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
 302                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
 303         static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
 304         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 305
 306
 307         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 308         udelay(2000);
 309         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 310         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 311
 312         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 313         udelay(2000);
 314         mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
 315         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 316
 317         return 0;
 318 }
 319
 320 static int advbt771_samsung_tdtc9251dh0_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
 321 {
 322         u32 div;
 323         unsigned char bs = 0;
 324         unsigned char cp = 0;
 325
 326         #define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
 327         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 328
 329         if (params->frequency < 150000000) cp = 0xB4;
 330         else if (params->frequency < 173000000) cp = 0xBC;
 331         else if (params->frequency < 250000000) cp = 0xB4;
 332         else if (params->frequency < 400000000) cp = 0xBC;
 333         else if (params->frequency < 420000000) cp = 0xF4;
 334         else if (params->frequency < 470000000) cp = 0xFC;
 335         else if (params->frequency < 600000000) cp = 0xBC;
 336         else if (params->frequency < 730000000) cp = 0xF4;
 337         else cp = 0xFC;
 338
 339         if (params->frequency < 150000000) bs = 0x01;
 340         else if (params->frequency < 173000000) bs = 0x01;
 341         else if (params->frequency < 250000000) bs = 0x02;
 342         else if (params->frequency < 400000000) bs = 0x02;
 343         else if (params->frequency < 420000000) bs = 0x02;
 344         else if (params->frequency < 470000000) bs = 0x02;
 345         else if (params->frequency < 600000000) bs = 0x08;
 346         else if (params->frequency < 730000000) bs = 0x08;
 347         else bs = 0x08;
 348
 349         pllbuf[0] = 0xc2; // Note: non-linux standard PLL i2c address
 350         pllbuf[1] = div >> 8;
 351         pllbuf[2] = div & 0xff;
 352         pllbuf[3] = cp;
 353         pllbuf[4] = bs;
 354
 355         return 0;
 356 }
 357
 358 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
 359
 360         .demod_address = 0x0f,
 361         .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
 362         .pll_set = advbt771_samsung_tdtc9251dh0_pll_set,
 363 };
 364
 365
 366 static struct dst_config dst_config = {
 367
 368         .demod_address = 0x55,
 369 };
 370
 371
 372 static int vp3021_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 373 {
 374         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 375         u8 buf[4];
 376         u32 div;
 377         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
 378
 379         div = (params->frequency + 36166667) / 166667;
 380
 381         buf[0] = (div >> 8) & 0x7F;
 382         buf[1] = div & 0xFF;
 383         buf[2] = 0x85;
 384         if ((params->frequency >= 47000000) && (params->frequency < 153000000))
 385                 buf[3] = 0x01;
 386         else if ((params->frequency >= 153000000) && (params->frequency < 430000000))
 387                 buf[3] = 0x02;
 388         else if ((params->frequency >= 430000000) && (params->frequency < 824000000))
 389                 buf[3] = 0x0C;
 390         else if ((params->frequency >= 824000000) && (params->frequency < 863000000))
 391                 buf[3] = 0x8C;
 392         else
 393                 return -EINVAL;
 394
 395         i2c_transfer(card->i2c_adapter, &msg, 1);
 396         return 0;
 397 }
 398
 399 static struct nxt6000_config vp3021_alps_tded4_config = {
 400
 401         .demod_address = 0x0a,
 402         .clock_inversion = 1,
 403         .pll_set = vp3021_alps_tded4_pll_set,
 404 };
 405
 406
 407 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 408 {
 409         switch(type) {
 410 #ifdef BTTV_DVICO_DVBT_LITE
 411         case BTTV_DVICO_DVBT_LITE:
 412                 card->fe = mt352_attach(&thomson_dtt7579_config, card->i2c_adapter);
 413                 if (card->fe != NULL) {
 414                         card->fe->ops->info.frequency_min = 174000000;
 415                         card->fe->ops->info.frequency_max = 862000000;
 416                         break;
 417                 }
 418                 break;
 419 #endif
 420
 421 #ifdef BTTV_TWINHAN_VP3021
 422         case BTTV_TWINHAN_VP3021:
 423 #else
 424         case BTTV_NEBULA_DIGITV:
 425 #endif
 426                 card->fe = nxt6000_attach(&vp3021_alps_tded4_config, card->i2c_adapter);
 427                 if (card->fe != NULL) {
 428                         break;
 429                 }
 430                 break;
 431
 432         case BTTV_AVDVBT_761:
 433                 card->fe = sp887x_attach(&microtune_mt7202dtf_config, card->i2c_adapter);
 434                 if (card->fe != NULL) {
 435                         break;
 436                 }
 437                 break;
 438
 439         case BTTV_AVDVBT_771:
 440                 card->fe = mt352_attach(&advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
 441                 if (card->fe != NULL) {
 442                         card->fe->ops->info.frequency_min = 174000000;
 443                         card->fe->ops->info.frequency_max = 862000000;
 444                         break;
 445                 }
 446                 break;
 447
 448         case BTTV_TWINHAN_DST:
 449                 card->fe = dst_attach(&dst_config, card->i2c_adapter, card->bt);
 450                 if (card->fe != NULL) {
 451                         break;
 452                 }
 453                 break;
 454
 455         case BTTV_PINNACLESAT:
 456                 card->fe = cx24110_attach(&pctvsat_config, card->i2c_adapter);
 457                 if (card->fe != NULL) {
 458                         break;
 459                 }
 460                 break;
 461         }
 462
 463         if (card->fe == NULL) {
 464                 printk("dvb-bt8xx: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
 465                        card->bt->dev->vendor,
 466                        card->bt->dev->device,
 467                        card->bt->dev->subsystem_vendor,
 468                        card->bt->dev->subsystem_device);
 469         } else {
 470                 if (dvb_register_frontend(card->dvb_adapter, card->fe)) {
 471                         printk("dvb-bt8xx: Frontend registration failed!\n");
 472                         if (card->fe->ops->release)
 473                                 card->fe->ops->release(card->fe);
 474                         card->fe = NULL;
 475                 }
 476         }
 477 }
 478
 479 static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 480 {
 481         int result;
 482
 483         if ((result = dvb_register_adapter(&card->dvb_adapter, card->card_name,
 484                                            THIS_MODULE)) < 0) {
 485                 printk("dvb_bt8xx: dvb_register_adapter failed (errno = %d)\n", result);
 486                 return result;
 487
 488         }
 489         card->dvb_adapter->priv = card;
 490
 491         card->bt->adapter = card->i2c_adapter;
 492
 493         memset(&card->demux, 0, sizeof(struct dvb_demux));
 494
 495         card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
 496
 497         card->demux.priv = card;
 498         card->demux.filternum = 256;
 499         card->demux.feednum = 256;
 500         card->demux.start_feed = dvb_bt8xx_start_feed;
 501         card->demux.stop_feed = dvb_bt8xx_stop_feed;
 502         card->demux.write_to_decoder = NULL;
 503
 504         if ((result = dvb_dmx_init(&card->demux)) < 0) {
 505                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 506
 507                 dvb_unregister_adapter(card->dvb_adapter);
 508                 return result;
 509         }
 510
 511         card->dmxdev.filternum = 256;
 512         card->dmxdev.demux = &card->demux.dmx;
 513         card->dmxdev.capabilities = 0;
 514
 515         if ((result = dvb_dmxdev_init(&card->dmxdev, card->dvb_adapter)) < 0) {
 516                 printk("dvb_bt8xx: dvb_dmxdev_init failed (errno = %d)\n", result);
 517
 518                 dvb_dmx_release(&card->demux);
 519                 dvb_unregister_adapter(card->dvb_adapter);
 520                 return result;
 521         }
 522
 523         card->fe_hw.source = DMX_FRONTEND_0;
 524
 525         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
 526                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 527
 528                 dvb_dmxdev_release(&card->dmxdev);
 529                 dvb_dmx_release(&card->demux);
 530                 dvb_unregister_adapter(card->dvb_adapter);
 531                 return result;
 532         }
 533
 534         card->fe_mem.source = DMX_MEMORY_FE;
 535
 536         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem)) < 0) {
 537                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 538
 539                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 540                 dvb_dmxdev_release(&card->dmxdev);
 541                 dvb_dmx_release(&card->demux);
 542                 dvb_unregister_adapter(card->dvb_adapter);
 543                 return result;
 544         }
 545
 546         if ((result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
 547                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 548
 549                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 550                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 551                 dvb_dmxdev_release(&card->dmxdev);
 552                 dvb_dmx_release(&card->demux);
 553                 dvb_unregister_adapter(card->dvb_adapter);
 554                 return result;
 555         }
 556
 557         dvb_net_init(card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
 558
 559         tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
 560
 561         frontend_init(card, type);
 562
 563         return 0;
 564 }
 565
 566 static int dvb_bt8xx_probe(struct device *dev)
 567 {
 568         struct bttv_sub_device *sub = to_bttv_sub_dev(dev);
 569         struct dvb_bt8xx_card *card;
 570         struct pci_dev* bttv_pci_dev;
 571         int ret;
 572
 573         if (!(card = kmalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
 574                 return -ENOMEM;
 575
 576         memset(card, 0, sizeof(*card));
 577         init_MUTEX(&card->lock);
 578         card->bttv_nr = sub->core->nr;
 579         strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));
 580         card->i2c_adapter = &sub->core->i2c_adap;
 581
 582         switch(sub->core->type)
 583         {
 584         case BTTV_PINNACLESAT:
 585                 card->gpio_mode = 0x0400c060;
 586                 /* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
 587                               BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
 588                 card->op_sync_orin = 0;
 589                 card->irq_err_ignore = 0;
 590                 break;
 591
 592 #ifdef BTTV_DVICO_DVBT_LITE
 593         case BTTV_DVICO_DVBT_LITE:
 594 #endif
 595                 card->gpio_mode = 0x0400C060;
 596                 card->op_sync_orin = 0;
 597                 card->irq_err_ignore = 0;
 598                                 /* 26, 15, 14, 6, 5
 599                  * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
 600                                  * DA_APP(parallel) */
 601                                 break;
 602
 603 #ifdef BTTV_TWINHAN_VP3021
 604         case BTTV_TWINHAN_VP3021:
 605 #else
 606         case BTTV_NEBULA_DIGITV:
 607 #endif
 608         case BTTV_AVDVBT_761:
 609                 card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
 610                 card->op_sync_orin = 0;
 611                 card->irq_err_ignore = 0;
 612                                 /* A_PWRDN DA_SBR DA_APP (high speed serial) */
 613                                 break;
 614
 615         case BTTV_AVDVBT_771: //case 0x07711461:
 616                 card->gpio_mode = 0x0400402B;
 617                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 618                 card->irq_err_ignore = 0;
 619                 /* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
 620                                 break;
 621
 622         case BTTV_TWINHAN_DST:
 623                 card->gpio_mode = 0x2204f2c;
 624                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 625                 card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
 626                                        BT878_APPERR | BT878_AFBUS;
 627                                 /* 25,21,14,11,10,9,8,3,2 then
 628                                  * 0x33 = 5,4,1,0
 629                                  * A_SEL=SML, DA_MLB, DA_SBR,
 630                                  * DA_SDR=f, fifo trigger = 32 DWORDS
 631                                  * IOM = 0 == audio A/D
 632                                  * DPM = 0 == digital audio mode
 633                                  * == async data parallel port
 634                                  * then 0x33 (13 is set by start_capture)
 635                                  * DA_APP = async data parallel port,
 636                                  * ACAP_EN = 1,
 637                                  * RISC+FIFO ENABLE */
 638                                 break;
 639
 640                         default:
 641                 printk(KERN_WARNING "dvb_bt8xx: Unknown bttv card type: %d.\n",
 642                                 sub->core->type);
 643                 kfree(card);
 644                 return -ENODEV;
 645                 }
 646
 647         dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
 648
 649         if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
 650                 printk("dvb_bt8xx: no pci device for card %d\n", card->bttv_nr);
 651                 kfree(card);
 652                 return -EFAULT;
 653         }
 654
 655         if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
 656                 printk("dvb_bt8xx: unable to determine DMA core of card %d,\n",
 657                        card->bttv_nr);
 658                 printk("dvb_bt8xx: if you have the ALSA bt87x audio driver "
 659                        "installed, try removing it.\n");
 660
 661                 kfree(card);
 662                 return -EFAULT;
 663
 664 }
 665
 666         init_MUTEX(&card->bt->gpio_lock);
 667         card->bt->bttv_nr = sub->core->nr;
 668
 669         if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
 670                 kfree(card);
 671                 return ret;
 672         }
 673
 674         dev_set_drvdata(dev, card);
 675         return 0;
 676 }
 677
 678 static int dvb_bt8xx_remove(struct device *dev)
 679 {
 680         struct dvb_bt8xx_card *card = dev_get_drvdata(dev);
 681
 682                 dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
 683
 684                 bt878_stop(card->bt);
 685                 tasklet_kill(&card->bt->tasklet);
 686                 dvb_net_release(&card->dvbnet);
 687                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 688                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 689                 dvb_dmxdev_release(&card->dmxdev);
 690                 dvb_dmx_release(&card->demux);
 691         if (card->fe) dvb_unregister_frontend(card->fe);
 692                 dvb_unregister_adapter(card->dvb_adapter);
 693
 694                 kfree(card);
 695
 696         return 0;
 697         }
 698
 699 static struct bttv_sub_driver driver = {
 700         .drv = {
 701                 .name           = "dvb-bt8xx",
 702                 .probe          = dvb_bt8xx_probe,
 703                 .remove         = dvb_bt8xx_remove,
 704                 /* FIXME:
 705                  * .shutdown    = dvb_bt8xx_shutdown,
 706                  * .suspend     = dvb_bt8xx_suspend,
 707                  * .resume      = dvb_bt8xx_resume,
 708                  */
 709         },
 710 };
 711
 712 static int __init dvb_bt8xx_init(void)
 713 {
 714         return bttv_sub_register(&driver, "dvb");
 715 }
 716
 717 static void __exit dvb_bt8xx_exit(void)
 718 {
 719         bttv_sub_unregister(&driver);
 720 }
 721
 722 module_init(dvb_bt8xx_init);
 723 module_exit(dvb_bt8xx_exit);
 724 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
 725 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
 726 MODULE_LICENSE("GPL");
 727