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/kernel.h>
  27 #include <linux/device.h>
  28 #include <linux/delay.h>
  29 #include <linux/slab.h>
  30 #include <linux/i2c.h>
  31
  32 #include "dmxdev.h"
  33 #include "dvbdev.h"
  34 #include "dvb_demux.h"
  35 #include "dvb_frontend.h"
  36 #include "dvb-bt8xx.h"
  37 #include "bt878.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         mutex_lock(&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         mutex_unlock(&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         mutex_lock(&card->lock);
 100         card->nfeeds--;
 101         if (card->nfeeds == 0)
 102                 bt878_stop(card->bt);
 103         mutex_unlock(&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 __devinit *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_tuner_calc_regs(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf, int buf_len)
 151 {
 152         u32 div;
 153         unsigned char bs = 0;
 154         unsigned char cp = 0;
 155
 156         if (buf_len < 5)
 157                 return -EINVAL;
 158
 159         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 160
 161         if (params->frequency < 542000000)
 162                 cp = 0xb4;
 163         else if (params->frequency < 771000000)
 164                 cp = 0xbc;
 165         else
 166                 cp = 0xf4;
 167
 168         if (params->frequency == 0)
 169                 bs = 0x03;
 170         else if (params->frequency < 443250000)
 171                 bs = 0x02;
 172         else
 173                 bs = 0x08;
 174
 175         pllbuf[0] = 0x60;
 176         pllbuf[1] = div >> 8;
 177         pllbuf[2] = div & 0xff;
 178         pllbuf[3] = cp;
 179         pllbuf[4] = bs;
 180
 181         return 5;
 182 }
 183
 184 static struct mt352_config thomson_dtt7579_config = {
 185         .demod_address = 0x0f,
 186         .demod_init = thomson_dtt7579_demod_init,
 187 };
 188
 189 static struct zl10353_config thomson_dtt7579_zl10353_config = {
 190         .demod_address = 0x0f,
 191 };
 192
 193 static int cx24108_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 194 {
 195         u32 freq = params->frequency;
 196
 197         int i, a, n, pump;
 198         u32 band, pll;
 199
 200         u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
 201                 1576000,1718000,1856000,2036000,2150000};
 202         u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
 203                 0x00102000,0x00104000,0x00108000,0x00110000,
 204                 0x00120000,0x00140000};
 205
 206         #define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
 207         printk("cx24108 debug: entering SetTunerFreq, freq=%d\n",freq);
 208
 209         /* This is really the bit driving the tuner chip cx24108 */
 210
 211         if (freq<950000)
 212                 freq = 950000; /* kHz */
 213         else if (freq>2150000)
 214                 freq = 2150000; /* satellite IF is 950..2150MHz */
 215
 216         /* decide which VCO to use for the input frequency */
 217         for(i = 1; (i < ARRAY_SIZE(osci)) && (osci[i] < freq); i++);
 218         printk("cx24108 debug: select vco #%d (f=%d)\n",i,freq);
 219         band=bandsel[i];
 220         /* the gain values must be set by SetSymbolrate */
 221         /* compute the pll divider needed, from Conexant data sheet,
 222            resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
 223            depending on the divider bit. It is set to /4 on the 2 lowest
 224            bands  */
 225         n=((i<=2?2:1)*freq*10L)/(XTAL/100);
 226         a=n%32; n/=32; if(a==0) n--;
 227         pump=(freq<(osci[i-1]+osci[i])/2);
 228         pll=0xf8000000|
 229             ((pump?1:2)<<(14+11))|
 230             ((n&0x1ff)<<(5+11))|
 231             ((a&0x1f)<<11);
 232         /* everything is shifted left 11 bits to left-align the bits in the
 233            32bit word. Output to the tuner goes MSB-aligned, after all */
 234         printk("cx24108 debug: pump=%d, n=%d, a=%d\n",pump,n,a);
 235         cx24110_pll_write(fe,band);
 236         /* set vga and vca to their widest-band settings, as a precaution.
 237            SetSymbolrate might not be called to set this up */
 238         cx24110_pll_write(fe,0x500c0000);
 239         cx24110_pll_write(fe,0x83f1f800);
 240         cx24110_pll_write(fe,pll);
 241         //writereg(client,0x56,0x7f);
 242
 243         return 0;
 244 }
 245
 246 static int pinnsat_tuner_init(struct dvb_frontend* fe)
 247 {
 248         struct dvb_bt8xx_card *card = fe->dvb->priv;
 249
 250         bttv_gpio_enable(card->bttv_nr, 1, 1);  /* output */
 251         bttv_write_gpio(card->bttv_nr, 1, 1);   /* relay on */
 252
 253         return 0;
 254 }
 255
 256 static int pinnsat_tuner_sleep(struct dvb_frontend* fe)
 257 {
 258         struct dvb_bt8xx_card *card = fe->dvb->priv;
 259
 260         bttv_write_gpio(card->bttv_nr, 1, 0);   /* relay off */
 261
 262         return 0;
 263 }
 264
 265 static struct cx24110_config pctvsat_config = {
 266         .demod_address = 0x55,
 267 };
 268
 269 static int microtune_mt7202dtf_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 270 {
 271         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 272         u8 cfg, cpump, band_select;
 273         u8 data[4];
 274         u32 div;
 275         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
 276
 277         div = (36000000 + params->frequency + 83333) / 166666;
 278         cfg = 0x88;
 279
 280         if (params->frequency < 175000000)
 281                 cpump = 2;
 282         else if (params->frequency < 390000000)
 283                 cpump = 1;
 284         else if (params->frequency < 470000000)
 285                 cpump = 2;
 286         else if (params->frequency < 750000000)
 287                 cpump = 2;
 288         else
 289                 cpump = 3;
 290
 291         if (params->frequency < 175000000)
 292                 band_select = 0x0e;
 293         else if (params->frequency < 470000000)
 294                 band_select = 0x05;
 295         else
 296                 band_select = 0x03;
 297
 298         data[0] = (div >> 8) & 0x7f;
 299         data[1] = div & 0xff;
 300         data[2] = ((div >> 10) & 0x60) | cfg;
 301         data[3] = (cpump << 6) | band_select;
 302
 303         if (fe->ops.i2c_gate_ctrl)
 304                 fe->ops.i2c_gate_ctrl(fe, 1);
 305         i2c_transfer(card->i2c_adapter, &msg, 1);
 306         return (div * 166666 - 36000000);
 307 }
 308
 309 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 310 {
 311         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 312
 313         return request_firmware(fw, name, &bt->bt->dev->dev);
 314 }
 315
 316 static struct sp887x_config microtune_mt7202dtf_config = {
 317         .demod_address = 0x70,
 318         .request_firmware = microtune_mt7202dtf_request_firmware,
 319 };
 320
 321 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
 322 {
 323         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 324         static u8 mt352_reset [] = { 0x50, 0x80 };
 325         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 326         static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
 327                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
 328         static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
 329         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 330
 331         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 332         udelay(2000);
 333         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 334         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 335
 336         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 337         udelay(2000);
 338         mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
 339         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 340
 341         return 0;
 342 }
 343
 344 static int advbt771_samsung_tdtc9251dh0_tuner_calc_regs(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf, int buf_len)
 345 {
 346         u32 div;
 347         unsigned char bs = 0;
 348         unsigned char cp = 0;
 349
 350         if (buf_len < 5) return -EINVAL;
 351
 352         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 353
 354         if (params->frequency < 150000000)
 355                 cp = 0xB4;
 356         else if (params->frequency < 173000000)
 357                 cp = 0xBC;
 358         else if (params->frequency < 250000000)
 359                 cp = 0xB4;
 360         else if (params->frequency < 400000000)
 361                 cp = 0xBC;
 362         else if (params->frequency < 420000000)
 363                 cp = 0xF4;
 364         else if (params->frequency < 470000000)
 365                 cp = 0xFC;
 366         else if (params->frequency < 600000000)
 367                 cp = 0xBC;
 368         else if (params->frequency < 730000000)
 369                 cp = 0xF4;
 370         else
 371                 cp = 0xFC;
 372
 373         if (params->frequency < 150000000)
 374                 bs = 0x01;
 375         else if (params->frequency < 173000000)
 376                 bs = 0x01;
 377         else if (params->frequency < 250000000)
 378                 bs = 0x02;
 379         else if (params->frequency < 400000000)
 380                 bs = 0x02;
 381         else if (params->frequency < 420000000)
 382                 bs = 0x02;
 383         else if (params->frequency < 470000000)
 384                 bs = 0x02;
 385         else if (params->frequency < 600000000)
 386                 bs = 0x08;
 387         else if (params->frequency < 730000000)
 388                 bs = 0x08;
 389         else
 390                 bs = 0x08;
 391
 392         pllbuf[0] = 0x61;
 393         pllbuf[1] = div >> 8;
 394         pllbuf[2] = div & 0xff;
 395         pllbuf[3] = cp;
 396         pllbuf[4] = bs;
 397
 398         return 5;
 399 }
 400
 401 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
 402         .demod_address = 0x0f,
 403         .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
 404 };
 405
 406 static struct dst_config dst_config = {
 407         .demod_address = 0x55,
 408 };
 409
 410 static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 411 {
 412         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 413
 414         return request_firmware(fw, name, &bt->bt->dev->dev);
 415 }
 416
 417 static void or51211_setmode(struct dvb_frontend * fe, int mode)
 418 {
 419         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 420         bttv_write_gpio(bt->bttv_nr, 0x0002, mode);   /* Reset */
 421         msleep(20);
 422 }
 423
 424 static void or51211_reset(struct dvb_frontend * fe)
 425 {
 426         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 427
 428         /* RESET DEVICE
 429          * reset is controled by GPIO-0
 430          * when set to 0 causes reset and when to 1 for normal op
 431          * must remain reset for 128 clock cycles on a 50Mhz clock
 432          * also PRM1 PRM2 & PRM4 are controled by GPIO-1,GPIO-2 & GPIO-4
 433          * We assume that the reset has be held low long enough or we
 434          * have been reset by a power on.  When the driver is unloaded
 435          * reset set to 0 so if reloaded we have been reset.
 436          */
 437         /* reset & PRM1,2&4 are outputs */
 438         int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
 439         if (ret != 0)
 440                 printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR (%i)\n", ret);
 441         bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
 442         msleep(20);
 443         /* Now set for normal operation */
 444         bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
 445         /* wait for operation to begin */
 446         msleep(500);
 447 }
 448
 449 static void or51211_sleep(struct dvb_frontend * fe)
 450 {
 451         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 452         bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
 453 }
 454
 455 static struct or51211_config or51211_config = {
 456         .demod_address = 0x15,
 457         .request_firmware = or51211_request_firmware,
 458         .setmode = or51211_setmode,
 459         .reset = or51211_reset,
 460         .sleep = or51211_sleep,
 461 };
 462
 463 static int vp3021_alps_tded4_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 464 {
 465         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 466         u8 buf[4];
 467         u32 div;
 468         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
 469
 470         div = (params->frequency + 36166667) / 166667;
 471
 472         buf[0] = (div >> 8) & 0x7F;
 473         buf[1] = div & 0xFF;
 474         buf[2] = 0x85;
 475         if ((params->frequency >= 47000000) && (params->frequency < 153000000))
 476                 buf[3] = 0x01;
 477         else if ((params->frequency >= 153000000) && (params->frequency < 430000000))
 478                 buf[3] = 0x02;
 479         else if ((params->frequency >= 430000000) && (params->frequency < 824000000))
 480                 buf[3] = 0x0C;
 481         else if ((params->frequency >= 824000000) && (params->frequency < 863000000))
 482                 buf[3] = 0x8C;
 483         else
 484                 return -EINVAL;
 485
 486         if (fe->ops.i2c_gate_ctrl)
 487                 fe->ops.i2c_gate_ctrl(fe, 1);
 488         i2c_transfer(card->i2c_adapter, &msg, 1);
 489         return 0;
 490 }
 491
 492 static struct nxt6000_config vp3021_alps_tded4_config = {
 493         .demod_address = 0x0a,
 494         .clock_inversion = 1,
 495 };
 496
 497 static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe)
 498 {
 499         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 500         static u8 mt352_reset [] = { 0x50, 0x80 };
 501         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 502         static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 };
 503         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 504
 505         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 506         udelay(2000);
 507         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 508         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 509         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 510         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 511
 512         return 0;
 513 }
 514
 515 static int digitv_alps_tded4_tuner_calc_regs(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf, int buf_len)
 516 {
 517         u32 div;
 518         struct dvb_ofdm_parameters *op = &params->u.ofdm;
 519
 520         if (buf_len < 5)
 521                 return -EINVAL;
 522
 523         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 524
 525         pllbuf[0] = 0x61;
 526         pllbuf[1] = (div >> 8) & 0x7F;
 527         pllbuf[2] = div & 0xFF;
 528         pllbuf[3] = 0x85;
 529
 530         dprintk("frequency %u, div %u\n", params->frequency, div);
 531
 532         if (params->frequency < 470000000)
 533                 pllbuf[4] = 0x02;
 534         else if (params->frequency > 823000000)
 535                 pllbuf[4] = 0x88;
 536         else
 537                 pllbuf[4] = 0x08;
 538
 539         if (op->bandwidth == 8)
 540                 pllbuf[4] |= 0x04;
 541
 542         return 5;
 543 }
 544
 545 static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
 546 {
 547         /*
 548          * Reset the frontend, must be called before trying
 549          * to initialise the MT352 or mt352_attach
 550          * will fail. Same goes for the nxt6000 frontend.
 551          *
 552          */
 553
 554         int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
 555         if (ret != 0)
 556                 printk(KERN_WARNING "digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n", ret);
 557
 558         /* Pulse the reset line */
 559         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 560         bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */
 561         msleep(100);
 562
 563         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 564 }
 565
 566 static struct mt352_config digitv_alps_tded4_config = {
 567         .demod_address = 0x0a,
 568         .demod_init = digitv_alps_tded4_demod_init,
 569 };
 570
 571 static struct lgdt330x_config tdvs_tua6034_config = {
 572         .demod_address    = 0x0e,
 573         .demod_chip       = LGDT3303,
 574         .serial_mpeg      = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
 575 };
 576
 577 static void lgdt330x_reset(struct dvb_bt8xx_card *bt)
 578 {
 579         /* Set pin 27 of the lgdt3303 chip high to reset the frontend */
 580
 581         /* Pulse the reset line */
 582         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
 583         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000000); /* Low  */
 584         msleep(100);
 585
 586         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
 587         msleep(100);
 588 }
 589
 590 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 591 {
 592         struct dst_state* state = NULL;
 593
 594         switch(type) {
 595         case BTTV_BOARD_DVICO_DVBT_LITE:
 596                 card->fe = dvb_attach(mt352_attach, &thomson_dtt7579_config, card->i2c_adapter);
 597
 598                 if (card->fe == NULL)
 599                         card->fe = dvb_attach(zl10353_attach, &thomson_dtt7579_zl10353_config,
 600                                                   card->i2c_adapter);
 601
 602                 if (card->fe != NULL) {
 603                         card->fe->ops.tuner_ops.calc_regs = thomson_dtt7579_tuner_calc_regs;
 604                         card->fe->ops.info.frequency_min = 174000000;
 605                         card->fe->ops.info.frequency_max = 862000000;
 606                 }
 607                 break;
 608
 609         case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
 610                 lgdt330x_reset(card);
 611                 card->fe = dvb_attach(lgdt330x_attach, &tdvs_tua6034_config, card->i2c_adapter);
 612                 if (card->fe != NULL) {
 613                         dvb_attach(lgh06xf_attach, card->fe, card->i2c_adapter);
 614                         dprintk ("dvb_bt8xx: lgdt330x detected\n");
 615                 }
 616                 break;
 617
 618         case BTTV_BOARD_NEBULA_DIGITV:
 619                 /*
 620                  * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);
 621                  * this would be a cleaner solution than trying each frontend in turn.
 622                  */
 623
 624                 /* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
 625                 digitv_alps_tded4_reset(card);
 626                 card->fe = dvb_attach(nxt6000_attach, &vp3021_alps_tded4_config, card->i2c_adapter);
 627                 if (card->fe != NULL) {
 628                         card->fe->ops.tuner_ops.set_params = vp3021_alps_tded4_tuner_set_params;
 629                         dprintk ("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
 630                         break;
 631                 }
 632
 633                 /* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
 634                 digitv_alps_tded4_reset(card);
 635                 card->fe = dvb_attach(mt352_attach, &digitv_alps_tded4_config, card->i2c_adapter);
 636
 637                 if (card->fe != NULL) {
 638                         card->fe->ops.tuner_ops.calc_regs = digitv_alps_tded4_tuner_calc_regs;
 639                         dprintk ("dvb_bt8xx: an mt352 was detected on your digitv card\n");
 640                 }
 641                 break;
 642
 643         case BTTV_BOARD_AVDVBT_761:
 644                 card->fe = dvb_attach(sp887x_attach, &microtune_mt7202dtf_config, card->i2c_adapter);
 645                 if (card->fe) {
 646                         card->fe->ops.tuner_ops.set_params = microtune_mt7202dtf_tuner_set_params;
 647                 }
 648                 break;
 649
 650         case BTTV_BOARD_AVDVBT_771:
 651                 card->fe = dvb_attach(mt352_attach, &advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
 652                 if (card->fe != NULL) {
 653                         card->fe->ops.tuner_ops.calc_regs = advbt771_samsung_tdtc9251dh0_tuner_calc_regs;
 654                         card->fe->ops.info.frequency_min = 174000000;
 655                         card->fe->ops.info.frequency_max = 862000000;
 656                 }
 657                 break;
 658
 659         case BTTV_BOARD_TWINHAN_DST:
 660                 /*      DST is not a frontend driver !!!                */
 661                 state = kmalloc(sizeof (struct dst_state), GFP_KERNEL);
 662                 if (!state) {
 663                         printk("dvb_bt8xx: No memory\n");
 664                         break;
 665                 }
 666                 /*      Setup the Card                                  */
 667                 state->config = &dst_config;
 668                 state->i2c = card->i2c_adapter;
 669                 state->bt = card->bt;
 670                 state->dst_ca = NULL;
 671                 /*      DST is not a frontend, attaching the ASIC       */
 672                 if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
 673                         printk("%s: Could not find a Twinhan DST.\n", __FUNCTION__);
 674                         break;
 675                 }
 676                 /*      Attach other DST peripherals if any             */
 677                 /*      Conditional Access device                       */
 678                 card->fe = &state->frontend;
 679                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
 680                         dvb_attach(dst_ca_attach, state, &card->dvb_adapter);
 681                 break;
 682
 683         case BTTV_BOARD_PINNACLESAT:
 684                 card->fe = dvb_attach(cx24110_attach, &pctvsat_config, card->i2c_adapter);
 685                 if (card->fe) {
 686                         card->fe->ops.tuner_ops.init = pinnsat_tuner_init;
 687                         card->fe->ops.tuner_ops.sleep = pinnsat_tuner_sleep;
 688                         card->fe->ops.tuner_ops.set_params = cx24108_tuner_set_params;
 689                 }
 690                 break;
 691
 692         case BTTV_BOARD_PC_HDTV:
 693                 card->fe = dvb_attach(or51211_attach, &or51211_config, card->i2c_adapter);
 694                 break;
 695         }
 696
 697         if (card->fe == NULL)
 698                 printk("dvb-bt8xx: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
 699                        card->bt->dev->vendor,
 700                        card->bt->dev->device,
 701                        card->bt->dev->subsystem_vendor,
 702                        card->bt->dev->subsystem_device);
 703         else
 704                 if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {
 705                         printk("dvb-bt8xx: Frontend registration failed!\n");
 706                         dvb_frontend_detach(card->fe);
 707                         card->fe = NULL;
 708                 }
 709 }
 710
 711 static int __devinit dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 712 {
 713         int result;
 714
 715         if ((result = dvb_register_adapter(&card->dvb_adapter, card->card_name, THIS_MODULE, &card->bt->dev->dev)) < 0) {
 716                 printk("dvb_bt8xx: dvb_register_adapter failed (errno = %d)\n", result);
 717                 return result;
 718         }
 719         card->dvb_adapter.priv = card;
 720
 721         card->bt->adapter = card->i2c_adapter;
 722
 723         memset(&card->demux, 0, sizeof(struct dvb_demux));
 724
 725         card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
 726
 727         card->demux.priv = card;
 728         card->demux.filternum = 256;
 729         card->demux.feednum = 256;
 730         card->demux.start_feed = dvb_bt8xx_start_feed;
 731         card->demux.stop_feed = dvb_bt8xx_stop_feed;
 732         card->demux.write_to_decoder = NULL;
 733
 734         if ((result = dvb_dmx_init(&card->demux)) < 0) {
 735                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 736
 737                 dvb_unregister_adapter(&card->dvb_adapter);
 738                 return result;
 739         }
 740
 741         card->dmxdev.filternum = 256;
 742         card->dmxdev.demux = &card->demux.dmx;
 743         card->dmxdev.capabilities = 0;
 744
 745         if ((result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter)) < 0) {
 746                 printk("dvb_bt8xx: dvb_dmxdev_init failed (errno = %d)\n", result);
 747
 748                 dvb_dmx_release(&card->demux);
 749                 dvb_unregister_adapter(&card->dvb_adapter);
 750                 return result;
 751         }
 752
 753         card->fe_hw.source = DMX_FRONTEND_0;
 754
 755         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
 756                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 757
 758                 dvb_dmxdev_release(&card->dmxdev);
 759                 dvb_dmx_release(&card->demux);
 760                 dvb_unregister_adapter(&card->dvb_adapter);
 761                 return result;
 762         }
 763
 764         card->fe_mem.source = DMX_MEMORY_FE;
 765
 766         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem)) < 0) {
 767                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 768
 769                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 770                 dvb_dmxdev_release(&card->dmxdev);
 771                 dvb_dmx_release(&card->demux);
 772                 dvb_unregister_adapter(&card->dvb_adapter);
 773                 return result;
 774         }
 775
 776         if ((result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
 777                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 778
 779                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 780                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 781                 dvb_dmxdev_release(&card->dmxdev);
 782                 dvb_dmx_release(&card->demux);
 783                 dvb_unregister_adapter(&card->dvb_adapter);
 784                 return result;
 785         }
 786
 787         dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
 788
 789         tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
 790
 791         frontend_init(card, type);
 792
 793         return 0;
 794 }
 795
 796 static int __devinit dvb_bt8xx_probe(struct bttv_sub_device *sub)
 797 {
 798         struct dvb_bt8xx_card *card;
 799         struct pci_dev* bttv_pci_dev;
 800         int ret;
 801
 802         if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
 803                 return -ENOMEM;
 804
 805         mutex_init(&card->lock);
 806         card->bttv_nr = sub->core->nr;
 807         strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));
 808         card->i2c_adapter = &sub->core->i2c_adap;
 809
 810         switch(sub->core->type) {
 811         case BTTV_BOARD_PINNACLESAT:
 812                 card->gpio_mode = 0x0400c060;
 813                 /* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
 814                               BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
 815                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 816                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 817                 break;
 818
 819         case BTTV_BOARD_DVICO_DVBT_LITE:
 820                 card->gpio_mode = 0x0400C060;
 821                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 822                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 823                 /* 26, 15, 14, 6, 5
 824                  * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
 825                  * DA_APP(parallel) */
 826                 break;
 827
 828         case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
 829                 card->gpio_mode = 0x0400c060;
 830                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 831                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 832                 break;
 833
 834         case BTTV_BOARD_NEBULA_DIGITV:
 835         case BTTV_BOARD_AVDVBT_761:
 836                 card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
 837                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 838                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 839                 /* A_PWRDN DA_SBR DA_APP (high speed serial) */
 840                 break;
 841
 842         case BTTV_BOARD_AVDVBT_771: //case 0x07711461:
 843                 card->gpio_mode = 0x0400402B;
 844                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 845                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 846                 /* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
 847                 break;
 848
 849         case BTTV_BOARD_TWINHAN_DST:
 850                 card->gpio_mode = 0x2204f2c;
 851                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 852                 card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
 853                                        BT878_APPERR | BT878_AFBUS;
 854                 /* 25,21,14,11,10,9,8,3,2 then
 855                  * 0x33 = 5,4,1,0
 856                  * A_SEL=SML, DA_MLB, DA_SBR,
 857                  * DA_SDR=f, fifo trigger = 32 DWORDS
 858                  * IOM = 0 == audio A/D
 859                  * DPM = 0 == digital audio mode
 860                  * == async data parallel port
 861                  * then 0x33 (13 is set by start_capture)
 862                  * DA_APP = async data parallel port,
 863                  * ACAP_EN = 1,
 864                  * RISC+FIFO ENABLE */
 865                 break;
 866
 867         case BTTV_BOARD_PC_HDTV:
 868                 card->gpio_mode = 0x0100EC7B;
 869                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 870                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 871                 break;
 872
 873         default:
 874                 printk(KERN_WARNING "dvb_bt8xx: Unknown bttv card type: %d.\n",
 875                                 sub->core->type);
 876                 kfree(card);
 877                 return -ENODEV;
 878         }
 879
 880         dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
 881
 882         if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
 883                 printk("dvb_bt8xx: no pci device for card %d\n", card->bttv_nr);
 884                 kfree(card);
 885                 return -EFAULT;
 886         }
 887
 888         if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
 889                 printk("dvb_bt8xx: unable to determine DMA core of card %d,\n",
 890                        card->bttv_nr);
 891                 printk("dvb_bt8xx: if you have the ALSA bt87x audio driver "
 892                        "installed, try removing it.\n");
 893
 894                 kfree(card);
 895                 return -EFAULT;
 896         }
 897
 898         mutex_init(&card->bt->gpio_lock);
 899         card->bt->bttv_nr = sub->core->nr;
 900
 901         if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
 902                 kfree(card);
 903                 return ret;
 904         }
 905
 906         dev_set_drvdata(&sub->dev, card);
 907         return 0;
 908 }
 909
 910 static void dvb_bt8xx_remove(struct bttv_sub_device *sub)
 911 {
 912         struct dvb_bt8xx_card *card = dev_get_drvdata(&sub->dev);
 913
 914         dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
 915
 916         bt878_stop(card->bt);
 917         tasklet_kill(&card->bt->tasklet);
 918         dvb_net_release(&card->dvbnet);
 919         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 920         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 921         dvb_dmxdev_release(&card->dmxdev);
 922         dvb_dmx_release(&card->demux);
 923         if (card->fe) {
 924                 dvb_unregister_frontend(card->fe);
 925                 dvb_frontend_detach(card->fe);
 926         }
 927         dvb_unregister_adapter(&card->dvb_adapter);
 928
 929         kfree(card);
 930 }
 931
 932 static struct bttv_sub_driver driver = {
 933         .drv = {
 934                 .name           = "dvb-bt8xx",
 935         },
 936         .probe          = dvb_bt8xx_probe,
 937         .remove         = dvb_bt8xx_remove,
 938         /* FIXME:
 939          * .shutdown    = dvb_bt8xx_shutdown,
 940          * .suspend     = dvb_bt8xx_suspend,
 941          * .resume      = dvb_bt8xx_resume,
 942          */
 943 };
 944
 945 static int __init dvb_bt8xx_init(void)
 946 {
 947         return bttv_sub_register(&driver, "dvb");
 948 }
 949
 950 static void __exit dvb_bt8xx_exit(void)
 951 {
 952         bttv_sub_unregister(&driver);
 953 }
 954
 955 module_init(dvb_bt8xx_init);
 956 module_exit(dvb_bt8xx_exit);
 957
 958 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
 959 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
 960 MODULE_LICENSE("GPL");