err.no Git - linux-2.6/blob - 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 #include "dvb-bt8xx.h"
  36 #include "bt878.h"
  37 #include "dvb-pll.h"
  38
  39 static int debug;
  40
  41 module_param(debug, int, 0644);
  42 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
  43
  44 #define dprintk( args... ) \
  45         do \
  46                 if (debug) printk(KERN_DEBUG args); \
  47         while (0)
  48
  49 #define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
  50
  51 static void dvb_bt8xx_task(unsigned long data)
  52 {
  53         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data;
  54
  55         //printk("%d ", card->bt->finished_block);
  56
  57         while (card->bt->last_block != card->bt->finished_block) {
  58                 (card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
  59                         (&card->demux,
  60                          &card->bt->buf_cpu[card->bt->last_block *
  61                                             card->bt->block_bytes],
  62                          card->bt->block_bytes);
  63                 card->bt->last_block = (card->bt->last_block + 1) %
  64                                         card->bt->block_count;
  65         }
  66 }
  67
  68 static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
  69 {
  70         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
  71         struct dvb_bt8xx_card *card = dvbdmx->priv;
  72         int rc;
  73
  74         dprintk("dvb_bt8xx: start_feed\n");
  75
  76         if (!dvbdmx->dmx.frontend)
  77                 return -EINVAL;
  78
  79         down(&card->lock);
  80         card->nfeeds++;
  81         rc = card->nfeeds;
  82         if (card->nfeeds == 1)
  83                 bt878_start(card->bt, card->gpio_mode,
  84                             card->op_sync_orin, card->irq_err_ignore);
  85         up(&card->lock);
  86         return rc;
  87 }
  88
  89 static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
  90 {
  91         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
  92         struct dvb_bt8xx_card *card = dvbdmx->priv;
  93
  94         dprintk("dvb_bt8xx: stop_feed\n");
  95
  96         if (!dvbdmx->dmx.frontend)
  97                 return -EINVAL;
  98
  99         down(&card->lock);
 100         card->nfeeds--;
 101         if (card->nfeeds == 0)
 102                 bt878_stop(card->bt);
 103         up(&card->lock);
 104
 105         return 0;
 106 }
 107
 108 static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev)
 109 {
 110         if ((adev->subsystem_vendor == bdev->subsystem_vendor) &&
 111                 (adev->subsystem_device == bdev->subsystem_device) &&
 112                 (adev->bus->number == bdev->bus->number) &&
 113                 (PCI_SLOT(adev->devfn) == PCI_SLOT(bdev->devfn)))
 114                 return 1;
 115         return 0;
 116 }
 117
 118 static struct bt878 __init *dvb_bt8xx_878_match(unsigned int bttv_nr, struct pci_dev* bttv_pci_dev)
 119 {
 120         unsigned int card_nr;
 121
 122         /* Hmm, n squared. Hope n is small */
 123         for (card_nr = 0; card_nr < bt878_num; card_nr++)
 124                 if (is_pci_slot_eq(bt878[card_nr].dev, bttv_pci_dev))
 125                         return &bt878[card_nr];
 126         return NULL;
 127 }
 128
 129 static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
 130 {
 131         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
 132         static u8 mt352_reset [] = { 0x50, 0x80 };
 133         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 134         static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
 135         static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
 136         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 137
 138         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 139         udelay(2000);
 140         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 141         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 142
 143         mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
 144         mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
 145         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 146
 147         return 0;
 148 }
 149
 150 static int thomson_dtt7579_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
 151 {
 152         u32 div;
 153         unsigned char bs = 0;
 154         unsigned char cp = 0;
 155
 156         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 157
 158         if (params->frequency < 542000000)
 159                 cp = 0xb4;
 160         else if (params->frequency < 771000000)
 161                 cp = 0xbc;
 162         else
 163                 cp = 0xf4;
 164
 165         if (params->frequency == 0)
 166                 bs = 0x03;
 167         else if (params->frequency < 443250000)
 168                 bs = 0x02;
 169         else
 170                 bs = 0x08;
 171
 172         pllbuf[0] = 0xc0; // Note: non-linux standard PLL i2c address
 173         pllbuf[1] = div >> 8;
 174         pllbuf[2] = div & 0xff;
 175         pllbuf[3] = cp;
 176         pllbuf[4] = bs;
 177
 178         return 0;
 179 }
 180
 181 static struct mt352_config thomson_dtt7579_config = {
 182         .demod_address = 0x0f,
 183         .demod_init = thomson_dtt7579_demod_init,
 184         .pll_set = thomson_dtt7579_pll_set,
 185 };
 186
 187 static int cx24108_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 188 {
 189         u32 freq = params->frequency;
 190
 191         int i, a, n, pump;
 192         u32 band, pll;
 193
 194         u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
 195                 1576000,1718000,1856000,2036000,2150000};
 196         u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
 197                 0x00102000,0x00104000,0x00108000,0x00110000,
 198                 0x00120000,0x00140000};
 199
 200         #define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
 201         printk("cx24108 debug: entering SetTunerFreq, freq=%d\n",freq);
 202
 203         /* This is really the bit driving the tuner chip cx24108 */
 204
 205         if (freq<950000)
 206                 freq = 950000; /* kHz */
 207         else if (freq>2150000)
 208                 freq = 2150000; /* satellite IF is 950..2150MHz */
 209
 210         /* decide which VCO to use for the input frequency */
 211         for(i=1;(i<sizeof(osci)/sizeof(osci[0]))&&(osci[i]<freq);i++);
 212         printk("cx24108 debug: select vco #%d (f=%d)\n",i,freq);
 213         band=bandsel[i];
 214         /* the gain values must be set by SetSymbolrate */
 215         /* compute the pll divider needed, from Conexant data sheet,
 216            resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
 217            depending on the divider bit. It is set to /4 on the 2 lowest
 218            bands  */
 219         n=((i<=2?2:1)*freq*10L)/(XTAL/100);
 220         a=n%32; n/=32; if(a==0) n--;
 221         pump=(freq<(osci[i-1]+osci[i])/2);
 222         pll=0xf8000000|
 223             ((pump?1:2)<<(14+11))|
 224             ((n&0x1ff)<<(5+11))|
 225             ((a&0x1f)<<11);
 226         /* everything is shifted left 11 bits to left-align the bits in the
 227            32bit word. Output to the tuner goes MSB-aligned, after all */
 228         printk("cx24108 debug: pump=%d, n=%d, a=%d\n",pump,n,a);
 229         cx24110_pll_write(fe,band);
 230         /* set vga and vca to their widest-band settings, as a precaution.
 231            SetSymbolrate might not be called to set this up */
 232         cx24110_pll_write(fe,0x500c0000);
 233         cx24110_pll_write(fe,0x83f1f800);
 234         cx24110_pll_write(fe,pll);
 235         //writereg(client,0x56,0x7f);
 236
 237         return 0;
 238 }
 239
 240 static int pinnsat_pll_init(struct dvb_frontend* fe)
 241 {
 242         return 0;
 243 }
 244
 245 static struct cx24110_config pctvsat_config = {
 246         .demod_address = 0x55,
 247         .pll_init = pinnsat_pll_init,
 248         .pll_set = cx24108_pll_set,
 249 };
 250
 251 static int microtune_mt7202dtf_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 252 {
 253         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 254         u8 cfg, cpump, band_select;
 255         u8 data[4];
 256         u32 div;
 257         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
 258
 259         div = (36000000 + params->frequency + 83333) / 166666;
 260         cfg = 0x88;
 261
 262         if (params->frequency < 175000000)
 263                 cpump = 2;
 264         else if (params->frequency < 390000000)
 265                 cpump = 1;
 266         else if (params->frequency < 470000000)
 267                 cpump = 2;
 268         else if (params->frequency < 750000000)
 269                 cpump = 2;
 270         else
 271                 cpump = 3;
 272
 273         if (params->frequency < 175000000)
 274                 band_select = 0x0e;
 275         else if (params->frequency < 470000000)
 276                 band_select = 0x05;
 277         else
 278                 band_select = 0x03;
 279
 280         data[0] = (div >> 8) & 0x7f;
 281         data[1] = div & 0xff;
 282         data[2] = ((div >> 10) & 0x60) | cfg;
 283         data[3] = (cpump << 6) | band_select;
 284
 285         i2c_transfer(card->i2c_adapter, &msg, 1);
 286         return (div * 166666 - 36000000);
 287 }
 288
 289 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 290 {
 291         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 292
 293         return request_firmware(fw, name, &bt->bt->dev->dev);
 294 }
 295
 296 static struct sp887x_config microtune_mt7202dtf_config = {
 297         .demod_address = 0x70,
 298         .pll_set = microtune_mt7202dtf_pll_set,
 299         .request_firmware = microtune_mt7202dtf_request_firmware,
 300 };
 301
 302 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
 303 {
 304         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 305         static u8 mt352_reset [] = { 0x50, 0x80 };
 306         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 307         static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
 308                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
 309         static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
 310         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 311
 312         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 313         udelay(2000);
 314         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 315         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 316
 317         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 318         udelay(2000);
 319         mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
 320         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 321
 322         return 0;
 323 }
 324
 325 static int advbt771_samsung_tdtc9251dh0_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
 326 {
 327         u32 div;
 328         unsigned char bs = 0;
 329         unsigned char cp = 0;
 330
 331         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 332
 333         if (params->frequency < 150000000)
 334                 cp = 0xB4;
 335         else if (params->frequency < 173000000)
 336                 cp = 0xBC;
 337         else if (params->frequency < 250000000)
 338                 cp = 0xB4;
 339         else if (params->frequency < 400000000)
 340                 cp = 0xBC;
 341         else if (params->frequency < 420000000)
 342                 cp = 0xF4;
 343         else if (params->frequency < 470000000)
 344                 cp = 0xFC;
 345         else if (params->frequency < 600000000)
 346                 cp = 0xBC;
 347         else if (params->frequency < 730000000)
 348                 cp = 0xF4;
 349         else
 350                 cp = 0xFC;
 351
 352         if (params->frequency < 150000000)
 353                 bs = 0x01;
 354         else if (params->frequency < 173000000)
 355                 bs = 0x01;
 356         else if (params->frequency < 250000000)
 357                 bs = 0x02;
 358         else if (params->frequency < 400000000)
 359                 bs = 0x02;
 360         else if (params->frequency < 420000000)
 361                 bs = 0x02;
 362         else if (params->frequency < 470000000)
 363                 bs = 0x02;
 364         else if (params->frequency < 600000000)
 365                 bs = 0x08;
 366         else if (params->frequency < 730000000)
 367                 bs = 0x08;
 368         else
 369                 bs = 0x08;
 370
 371         pllbuf[0] = 0xc2; // Note: non-linux standard PLL i2c address
 372         pllbuf[1] = div >> 8;
 373         pllbuf[2] = div & 0xff;
 374         pllbuf[3] = cp;
 375         pllbuf[4] = bs;
 376
 377         return 0;
 378 }
 379
 380 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
 381         .demod_address = 0x0f,
 382         .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
 383         .pll_set = advbt771_samsung_tdtc9251dh0_pll_set,
 384 };
 385
 386 static struct dst_config dst_config = {
 387         .demod_address = 0x55,
 388 };
 389
 390 static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 391 {
 392         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 393
 394         return request_firmware(fw, name, &bt->bt->dev->dev);
 395 }
 396
 397 static void or51211_setmode(struct dvb_frontend * fe, int mode)
 398 {
 399         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 400         bttv_write_gpio(bt->bttv_nr, 0x0002, mode);   /* Reset */
 401         msleep(20);
 402 }
 403
 404 static void or51211_reset(struct dvb_frontend * fe)
 405 {
 406         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 407
 408         /* RESET DEVICE
 409          * reset is controled by GPIO-0
 410          * when set to 0 causes reset and when to 1 for normal op
 411          * must remain reset for 128 clock cycles on a 50Mhz clock
 412          * also PRM1 PRM2 & PRM4 are controled by GPIO-1,GPIO-2 & GPIO-4
 413          * We assume that the reset has be held low long enough or we
 414          * have been reset by a power on.  When the driver is unloaded
 415          * reset set to 0 so if reloaded we have been reset.
 416          */
 417         /* reset & PRM1,2&4 are outputs */
 418         int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
 419         if (ret != 0)
 420                 printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR (%i)\n", ret);
 421         bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
 422         msleep(20);
 423         /* Now set for normal operation */
 424         bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
 425         /* wait for operation to begin */
 426         msleep(500);
 427 }
 428
 429 static void or51211_sleep(struct dvb_frontend * fe)
 430 {
 431         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 432         bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
 433 }
 434
 435 static struct or51211_config or51211_config = {
 436         .demod_address = 0x15,
 437         .request_firmware = or51211_request_firmware,
 438         .setmode = or51211_setmode,
 439         .reset = or51211_reset,
 440         .sleep = or51211_sleep,
 441 };
 442
 443 static int vp3021_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 444 {
 445         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 446         u8 buf[4];
 447         u32 div;
 448         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
 449
 450         div = (params->frequency + 36166667) / 166667;
 451
 452         buf[0] = (div >> 8) & 0x7F;
 453         buf[1] = div & 0xFF;
 454         buf[2] = 0x85;
 455         if ((params->frequency >= 47000000) && (params->frequency < 153000000))
 456                 buf[3] = 0x01;
 457         else if ((params->frequency >= 153000000) && (params->frequency < 430000000))
 458                 buf[3] = 0x02;
 459         else if ((params->frequency >= 430000000) && (params->frequency < 824000000))
 460                 buf[3] = 0x0C;
 461         else if ((params->frequency >= 824000000) && (params->frequency < 863000000))
 462                 buf[3] = 0x8C;
 463         else
 464                 return -EINVAL;
 465
 466         i2c_transfer(card->i2c_adapter, &msg, 1);
 467         return 0;
 468 }
 469
 470 static struct nxt6000_config vp3021_alps_tded4_config = {
 471         .demod_address = 0x0a,
 472         .clock_inversion = 1,
 473         .pll_set = vp3021_alps_tded4_pll_set,
 474 };
 475
 476 static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe)
 477 {
 478         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 479         static u8 mt352_reset [] = { 0x50, 0x80 };
 480         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 481         static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 };
 482         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 483
 484         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 485         udelay(2000);
 486         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 487         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 488         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 489         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 490
 491         return 0;
 492 }
 493
 494 static int digitv_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
 495 {
 496         u32 div;
 497         struct dvb_ofdm_parameters *op = &params->u.ofdm;
 498
 499         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 500
 501         pllbuf[0] = 0xc2;
 502         pllbuf[1] = (div >> 8) & 0x7F;
 503         pllbuf[2] = div & 0xFF;
 504         pllbuf[3] = 0x85;
 505
 506         dprintk("frequency %u, div %u\n", params->frequency, div);
 507
 508         if (params->frequency < 470000000)
 509                 pllbuf[4] = 0x02;
 510         else if (params->frequency > 823000000)
 511                 pllbuf[4] = 0x88;
 512         else
 513                 pllbuf[4] = 0x08;
 514
 515         if (op->bandwidth == 8)
 516                 pllbuf[4] |= 0x04;
 517
 518         return 0;
 519 }
 520
 521 static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
 522 {
 523         /*
 524          * Reset the frontend, must be called before trying
 525          * to initialise the MT352 or mt352_attach
 526          * will fail.
 527          *
 528          * Presumably not required for the NXT6000 frontend.
 529          *
 530          */
 531
 532         int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
 533         if (ret != 0)
 534                 printk(KERN_WARNING "digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n", ret);
 535
 536         /* Pulse the reset line */
 537         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 538         bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */
 539         msleep(100);
 540
 541         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 542 }
 543
 544 static struct mt352_config digitv_alps_tded4_config = {
 545         .demod_address = 0x0a,
 546         .demod_init = digitv_alps_tded4_demod_init,
 547         .pll_set = digitv_alps_tded4_pll_set,
 548 };
 549
 550 static int tdvs_tua6034_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 551 {
 552         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 553         u8 buf[4];
 554         struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
 555         int err;
 556
 557         dvb_pll_configure(&dvb_pll_tdvs_tua6034, buf, params->frequency, 0);
 558         dprintk("%s: tuner at 0x%02x bytes: 0x%02x 0x%02x 0x%02x 0x%02x\n",
 559                 __FUNCTION__, msg.addr, buf[0],buf[1],buf[2],buf[3]);
 560         if ((err = i2c_transfer(card->i2c_adapter, &msg, 1)) != 1) {
 561                 printk(KERN_WARNING "dvb-bt8xx: %s error "
 562                         "(addr %02x <- %02x, err = %i)\n",
 563                         __FUNCTION__, buf[0], buf[1], err);
 564                 if (err < 0)
 565                         return err;
 566                 else
 567                         return -EREMOTEIO;
 568         }
 569
 570         /* Set the Auxiliary Byte. */
 571         buf[2] &= ~0x20;
 572         buf[2] |= 0x18;
 573         buf[3] = 0x50;
 574         i2c_transfer(card->i2c_adapter, &msg, 1);
 575
 576         return 0;
 577 }
 578
 579 static struct lgdt330x_config tdvs_tua6034_config = {
 580         .demod_address    = 0x0e,
 581         .demod_chip       = LGDT3303,
 582         .serial_mpeg      = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
 583         .pll_set          = tdvs_tua6034_pll_set,
 584 };
 585
 586 static void lgdt330x_reset(struct dvb_bt8xx_card *bt)
 587 {
 588         /* Set pin 27 of the lgdt3303 chip high to reset the frontend */
 589
 590         /* Pulse the reset line */
 591         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
 592         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000000); /* Low  */
 593         msleep(100);
 594
 595         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
 596         msleep(100);
 597 }
 598
 599 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 600 {
 601         int ret;
 602         struct dst_state* state = NULL;
 603
 604         switch(type) {
 605 #ifdef BTTV_DVICO_DVBT_LITE
 606         case BTTV_DVICO_DVBT_LITE:
 607                 card->fe = mt352_attach(&thomson_dtt7579_config, card->i2c_adapter);
 608                 if (card->fe != NULL) {
 609                         card->fe->ops->info.frequency_min = 174000000;
 610                         card->fe->ops->info.frequency_max = 862000000;
 611                 }
 612                 break;
 613 #endif
 614
 615 #ifdef BTTV_DVICO_FUSIONHDTV_5_LITE
 616         case BTTV_DVICO_FUSIONHDTV_5_LITE:
 617                 lgdt330x_reset(card);
 618                 card->fe = lgdt330x_attach(&tdvs_tua6034_config, card->i2c_adapter);
 619                 if (card->fe != NULL)
 620                         dprintk ("dvb_bt8xx: lgdt330x detected\n");
 621                 break;
 622 #endif
 623
 624 #ifdef BTTV_TWINHAN_VP3021
 625         case BTTV_TWINHAN_VP3021:
 626 #else
 627         case BTTV_NEBULA_DIGITV:
 628 #endif
 629                 /*
 630                  * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);
 631                  * this would be a cleaner solution than trying each frontend in turn.
 632                  */
 633
 634                 /* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
 635                 card->fe = nxt6000_attach(&vp3021_alps_tded4_config, card->i2c_adapter);
 636                 if (card->fe != NULL) {
 637                         dprintk ("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
 638                         break;
 639                 }
 640
 641                 /* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
 642                 digitv_alps_tded4_reset(card);
 643                 card->fe = mt352_attach(&digitv_alps_tded4_config, card->i2c_adapter);
 644
 645                 if (card->fe != NULL)
 646                         dprintk ("dvb_bt8xx: an mt352 was detected on your digitv card\n");
 647                 break;
 648
 649         case BTTV_AVDVBT_761:
 650                 card->fe = sp887x_attach(&microtune_mt7202dtf_config, card->i2c_adapter);
 651                 break;
 652
 653         case BTTV_AVDVBT_771:
 654                 card->fe = mt352_attach(&advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
 655                 if (card->fe != NULL) {
 656                         card->fe->ops->info.frequency_min = 174000000;
 657                         card->fe->ops->info.frequency_max = 862000000;
 658                 }
 659                 break;
 660
 661         case BTTV_TWINHAN_DST:
 662                 /*      DST is not a frontend driver !!!                */
 663                 state = (struct dst_state *) kmalloc(sizeof (struct dst_state), GFP_KERNEL);
 664                 /*      Setup the Card                                  */
 665                 state->config = &dst_config;
 666                 state->i2c = card->i2c_adapter;
 667                 state->bt = card->bt;
 668
 669                 /*      DST is not a frontend, attaching the ASIC       */
 670                 if ((dst_attach(state, &card->dvb_adapter)) == NULL) {
 671                         printk("%s: Could not find a Twinhan DST.\n", __FUNCTION__);
 672                         break;
 673                 }
 674                 card->fe = &state->frontend;
 675
 676                 /*      Attach other DST peripherals if any             */
 677                 /*      Conditional Access device                       */
 678                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
 679                         ret = dst_ca_attach(state, &card->dvb_adapter);
 680                 break;
 681
 682         case BTTV_PINNACLESAT:
 683                 card->fe = cx24110_attach(&pctvsat_config, card->i2c_adapter);
 684                 break;
 685
 686         case BTTV_PC_HDTV:
 687                 card->fe = or51211_attach(&or51211_config, card->i2c_adapter);
 688                 break;
 689         }
 690
 691         if (card->fe == NULL)
 692                 printk("dvb-bt8xx: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
 693                        card->bt->dev->vendor,
 694                        card->bt->dev->device,
 695                        card->bt->dev->subsystem_vendor,
 696                        card->bt->dev->subsystem_device);
 697         else
 698                 if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {
 699                         printk("dvb-bt8xx: Frontend registration failed!\n");
 700                         if (card->fe->ops->release)
 701                                 card->fe->ops->release(card->fe);
 702                         card->fe = NULL;
 703                 }
 704 }
 705
 706 static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 707 {
 708         int result;
 709
 710         if ((result = dvb_register_adapter(&card->dvb_adapter, card->card_name, THIS_MODULE)) < 0) {
 711                 printk("dvb_bt8xx: dvb_register_adapter failed (errno = %d)\n", result);
 712                 return result;
 713         }
 714         card->dvb_adapter.priv = card;
 715
 716         card->bt->adapter = card->i2c_adapter;
 717
 718         memset(&card->demux, 0, sizeof(struct dvb_demux));
 719
 720         card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
 721
 722         card->demux.priv = card;
 723         card->demux.filternum = 256;
 724         card->demux.feednum = 256;
 725         card->demux.start_feed = dvb_bt8xx_start_feed;
 726         card->demux.stop_feed = dvb_bt8xx_stop_feed;
 727         card->demux.write_to_decoder = NULL;
 728
 729         if ((result = dvb_dmx_init(&card->demux)) < 0) {
 730                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 731
 732                 dvb_unregister_adapter(&card->dvb_adapter);
 733                 return result;
 734         }
 735
 736         card->dmxdev.filternum = 256;
 737         card->dmxdev.demux = &card->demux.dmx;
 738         card->dmxdev.capabilities = 0;
 739
 740         if ((result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter)) < 0) {
 741                 printk("dvb_bt8xx: dvb_dmxdev_init failed (errno = %d)\n", result);
 742
 743                 dvb_dmx_release(&card->demux);
 744                 dvb_unregister_adapter(&card->dvb_adapter);
 745                 return result;
 746         }
 747
 748         card->fe_hw.source = DMX_FRONTEND_0;
 749
 750         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
 751                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 752
 753                 dvb_dmxdev_release(&card->dmxdev);
 754                 dvb_dmx_release(&card->demux);
 755                 dvb_unregister_adapter(&card->dvb_adapter);
 756                 return result;
 757         }
 758
 759         card->fe_mem.source = DMX_MEMORY_FE;
 760
 761         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem)) < 0) {
 762                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 763
 764                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 765                 dvb_dmxdev_release(&card->dmxdev);
 766                 dvb_dmx_release(&card->demux);
 767                 dvb_unregister_adapter(&card->dvb_adapter);
 768                 return result;
 769         }
 770
 771         if ((result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
 772                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 773
 774                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 775                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 776                 dvb_dmxdev_release(&card->dmxdev);
 777                 dvb_dmx_release(&card->demux);
 778                 dvb_unregister_adapter(&card->dvb_adapter);
 779                 return result;
 780         }
 781
 782         dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
 783
 784         tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
 785
 786         frontend_init(card, type);
 787
 788         return 0;
 789 }
 790
 791 static int dvb_bt8xx_probe(struct device *dev)
 792 {
 793         struct bttv_sub_device *sub = to_bttv_sub_dev(dev);
 794         struct dvb_bt8xx_card *card;
 795         struct pci_dev* bttv_pci_dev;
 796         int ret;
 797
 798         if (!(card = kmalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
 799                 return -ENOMEM;
 800
 801         memset(card, 0, sizeof(*card));
 802         init_MUTEX(&card->lock);
 803         card->bttv_nr = sub->core->nr;
 804         strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));
 805         card->i2c_adapter = &sub->core->i2c_adap;
 806
 807         switch(sub->core->type) {
 808         case BTTV_PINNACLESAT:
 809                 card->gpio_mode = 0x0400c060;
 810                 /* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
 811                               BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
 812                 card->op_sync_orin = 0;
 813                 card->irq_err_ignore = 0;
 814                 break;
 815
 816 #ifdef BTTV_DVICO_DVBT_LITE
 817         case BTTV_DVICO_DVBT_LITE:
 818 #endif
 819                 card->gpio_mode = 0x0400C060;
 820                 card->op_sync_orin = 0;
 821                 card->irq_err_ignore = 0;
 822                 /* 26, 15, 14, 6, 5
 823                  * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
 824                  * DA_APP(parallel) */
 825                 break;
 826
 827 #ifdef BTTV_DVICO_FUSIONHDTV_5_LITE
 828         case BTTV_DVICO_FUSIONHDTV_5_LITE:
 829 #endif
 830                 card->gpio_mode = 0x0400c060;
 831                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 832                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 833                 break;
 834
 835 #ifdef BTTV_TWINHAN_VP3021
 836         case BTTV_TWINHAN_VP3021:
 837 #else
 838         case BTTV_NEBULA_DIGITV:
 839 #endif
 840         case BTTV_AVDVBT_761:
 841                 card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
 842                 card->op_sync_orin = 0;
 843                 card->irq_err_ignore = 0;
 844                 /* A_PWRDN DA_SBR DA_APP (high speed serial) */
 845                 break;
 846
 847         case BTTV_AVDVBT_771: //case 0x07711461:
 848                 card->gpio_mode = 0x0400402B;
 849                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 850                 card->irq_err_ignore = 0;
 851                 /* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
 852                 break;
 853
 854         case BTTV_TWINHAN_DST:
 855                 card->gpio_mode = 0x2204f2c;
 856                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 857                 card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
 858                                        BT878_APPERR | BT878_AFBUS;
 859                 /* 25,21,14,11,10,9,8,3,2 then
 860                  * 0x33 = 5,4,1,0
 861                  * A_SEL=SML, DA_MLB, DA_SBR,
 862                  * DA_SDR=f, fifo trigger = 32 DWORDS
 863                  * IOM = 0 == audio A/D
 864                  * DPM = 0 == digital audio mode
 865                  * == async data parallel port
 866                  * then 0x33 (13 is set by start_capture)
 867                  * DA_APP = async data parallel port,
 868                  * ACAP_EN = 1,
 869                  * RISC+FIFO ENABLE */
 870                 break;
 871
 872         case BTTV_PC_HDTV:
 873                 card->gpio_mode = 0x0100EC7B;
 874                 card->op_sync_orin = 0;
 875                 card->irq_err_ignore = 0;
 876                 break;
 877
 878         default:
 879                 printk(KERN_WARNING "dvb_bt8xx: Unknown bttv card type: %d.\n",
 880                                 sub->core->type);
 881                 kfree(card);
 882                 return -ENODEV;
 883         }
 884
 885         dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
 886
 887         if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
 888                 printk("dvb_bt8xx: no pci device for card %d\n", card->bttv_nr);
 889                 kfree(card);
 890                 return -EFAULT;
 891         }
 892
 893         if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
 894                 printk("dvb_bt8xx: unable to determine DMA core of card %d,\n",
 895                        card->bttv_nr);
 896                 printk("dvb_bt8xx: if you have the ALSA bt87x audio driver "
 897                        "installed, try removing it.\n");
 898
 899                 kfree(card);
 900                 return -EFAULT;
 901         }
 902
 903         init_MUTEX(&card->bt->gpio_lock);
 904         card->bt->bttv_nr = sub->core->nr;
 905
 906         if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
 907                 kfree(card);
 908                 return ret;
 909         }
 910
 911         dev_set_drvdata(dev, card);
 912         return 0;
 913 }
 914
 915 static int dvb_bt8xx_remove(struct device *dev)
 916 {
 917         struct dvb_bt8xx_card *card = dev_get_drvdata(dev);
 918
 919         dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
 920
 921         bt878_stop(card->bt);
 922         tasklet_kill(&card->bt->tasklet);
 923         dvb_net_release(&card->dvbnet);
 924         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 925         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 926         dvb_dmxdev_release(&card->dmxdev);
 927         dvb_dmx_release(&card->demux);
 928         if (card->fe)
 929                 dvb_unregister_frontend(card->fe);
 930         dvb_unregister_adapter(&card->dvb_adapter);
 931
 932         kfree(card);
 933
 934         return 0;
 935 }
 936
 937 static struct bttv_sub_driver driver = {
 938         .drv = {
 939                 .name           = "dvb-bt8xx",
 940                 .probe          = dvb_bt8xx_probe,
 941                 .remove         = dvb_bt8xx_remove,
 942                 /* FIXME:
 943                  * .shutdown    = dvb_bt8xx_shutdown,
 944                  * .suspend     = dvb_bt8xx_suspend,
 945                  * .resume      = dvb_bt8xx_resume,
 946                  */
 947         },
 948 };
 949
 950 static int __init dvb_bt8xx_init(void)
 951 {
 952         return bttv_sub_register(&driver, "dvb");
 953 }
 954
 955 static void __exit dvb_bt8xx_exit(void)
 956 {
 957         bttv_sub_unregister(&driver);
 958 }
 959
 960 module_init(dvb_bt8xx_init);
 961 module_exit(dvb_bt8xx_exit);
 962
 963 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
 964 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
 965 MODULE_LICENSE("GPL");