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
  38 static int debug;
  39
  40 module_param(debug, int, 0644);
  41 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
  42
  43 #define dprintk( args... ) \
  44         do \
  45                 if (debug) printk(KERN_DEBUG args); \
  46         while (0)
  47
  48 #define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
  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         mutex_lock(&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         mutex_unlock(&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         mutex_lock(&card->lock);
  99         card->nfeeds--;
 100         if (card->nfeeds == 0)
 101                 bt878_stop(card->bt);
 102         mutex_unlock(&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 __devinit *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         return NULL;
 126 }
 127
 128 static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
 129 {
 130         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
 131         static u8 mt352_reset [] = { 0x50, 0x80 };
 132         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 133         static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
 134         static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
 135         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 136
 137         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 138         udelay(2000);
 139         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 140         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 141
 142         mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
 143         mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
 144         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 145
 146         return 0;
 147 }
 148
 149 static int thomson_dtt7579_tuner_calc_regs(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf, int buf_len)
 150 {
 151         u32 div;
 152         unsigned char bs = 0;
 153         unsigned char cp = 0;
 154
 155         if (buf_len < 5)
 156                 return -EINVAL;
 157
 158         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 159
 160         if (params->frequency < 542000000)
 161                 cp = 0xb4;
 162         else if (params->frequency < 771000000)
 163                 cp = 0xbc;
 164         else
 165                 cp = 0xf4;
 166
 167         if (params->frequency == 0)
 168                 bs = 0x03;
 169         else if (params->frequency < 443250000)
 170                 bs = 0x02;
 171         else
 172                 bs = 0x08;
 173
 174         pllbuf[0] = 0x60;
 175         pllbuf[1] = div >> 8;
 176         pllbuf[2] = div & 0xff;
 177         pllbuf[3] = cp;
 178         pllbuf[4] = bs;
 179
 180         return 5;
 181 }
 182
 183 static struct mt352_config thomson_dtt7579_config = {
 184         .demod_address = 0x0f,
 185         .demod_init = thomson_dtt7579_demod_init,
 186 };
 187
 188 static struct zl10353_config thomson_dtt7579_zl10353_config = {
 189         .demod_address = 0x0f,
 190 };
 191
 192 static int cx24108_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 193 {
 194         u32 freq = params->frequency;
 195
 196         int i, a, n, pump;
 197         u32 band, pll;
 198
 199         u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
 200                 1576000,1718000,1856000,2036000,2150000};
 201         u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
 202                 0x00102000,0x00104000,0x00108000,0x00110000,
 203                 0x00120000,0x00140000};
 204
 205         #define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
 206         printk("cx24108 debug: entering SetTunerFreq, freq=%d\n",freq);
 207
 208         /* This is really the bit driving the tuner chip cx24108 */
 209
 210         if (freq<950000)
 211                 freq = 950000; /* kHz */
 212         else if (freq>2150000)
 213                 freq = 2150000; /* satellite IF is 950..2150MHz */
 214
 215         /* decide which VCO to use for the input frequency */
 216         for(i=1;(i<sizeof(osci)/sizeof(osci[0]))&&(osci[i]<freq);i++);
 217         printk("cx24108 debug: select vco #%d (f=%d)\n",i,freq);
 218         band=bandsel[i];
 219         /* the gain values must be set by SetSymbolrate */
 220         /* compute the pll divider needed, from Conexant data sheet,
 221            resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
 222            depending on the divider bit. It is set to /4 on the 2 lowest
 223            bands  */
 224         n=((i<=2?2:1)*freq*10L)/(XTAL/100);
 225         a=n%32; n/=32; if(a==0) n--;
 226         pump=(freq<(osci[i-1]+osci[i])/2);
 227         pll=0xf8000000|
 228             ((pump?1:2)<<(14+11))|
 229             ((n&0x1ff)<<(5+11))|
 230             ((a&0x1f)<<11);
 231         /* everything is shifted left 11 bits to left-align the bits in the
 232            32bit word. Output to the tuner goes MSB-aligned, after all */
 233         printk("cx24108 debug: pump=%d, n=%d, a=%d\n",pump,n,a);
 234         cx24110_pll_write(fe,band);
 235         /* set vga and vca to their widest-band settings, as a precaution.
 236            SetSymbolrate might not be called to set this up */
 237         cx24110_pll_write(fe,0x500c0000);
 238         cx24110_pll_write(fe,0x83f1f800);
 239         cx24110_pll_write(fe,pll);
 240         //writereg(client,0x56,0x7f);
 241
 242         return 0;
 243 }
 244
 245 static int pinnsat_tuner_init(struct dvb_frontend* fe)
 246 {
 247         struct dvb_bt8xx_card *card = fe->dvb->priv;
 248
 249         bttv_gpio_enable(card->bttv_nr, 1, 1);  /* output */
 250         bttv_write_gpio(card->bttv_nr, 1, 1);   /* relay on */
 251
 252         return 0;
 253 }
 254
 255 static int pinnsat_tuner_sleep(struct dvb_frontend* fe)
 256 {
 257         struct dvb_bt8xx_card *card = fe->dvb->priv;
 258
 259         bttv_write_gpio(card->bttv_nr, 1, 0);   /* relay off */
 260
 261         return 0;
 262 }
 263
 264 static struct cx24110_config pctvsat_config = {
 265         .demod_address = 0x55,
 266 };
 267
 268 static int microtune_mt7202dtf_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 269 {
 270         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 271         u8 cfg, cpump, band_select;
 272         u8 data[4];
 273         u32 div;
 274         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
 275
 276         div = (36000000 + params->frequency + 83333) / 166666;
 277         cfg = 0x88;
 278
 279         if (params->frequency < 175000000)
 280                 cpump = 2;
 281         else if (params->frequency < 390000000)
 282                 cpump = 1;
 283         else if (params->frequency < 470000000)
 284                 cpump = 2;
 285         else if (params->frequency < 750000000)
 286                 cpump = 2;
 287         else
 288                 cpump = 3;
 289
 290         if (params->frequency < 175000000)
 291                 band_select = 0x0e;
 292         else if (params->frequency < 470000000)
 293                 band_select = 0x05;
 294         else
 295                 band_select = 0x03;
 296
 297         data[0] = (div >> 8) & 0x7f;
 298         data[1] = div & 0xff;
 299         data[2] = ((div >> 10) & 0x60) | cfg;
 300         data[3] = (cpump << 6) | band_select;
 301
 302         if (fe->ops.i2c_gate_ctrl)
 303                 fe->ops.i2c_gate_ctrl(fe, 1);
 304         i2c_transfer(card->i2c_adapter, &msg, 1);
 305         return (div * 166666 - 36000000);
 306 }
 307
 308 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 309 {
 310         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 311
 312         return request_firmware(fw, name, &bt->bt->dev->dev);
 313 }
 314
 315 static struct sp887x_config microtune_mt7202dtf_config = {
 316         .demod_address = 0x70,
 317         .request_firmware = microtune_mt7202dtf_request_firmware,
 318 };
 319
 320 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
 321 {
 322         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 323         static u8 mt352_reset [] = { 0x50, 0x80 };
 324         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 325         static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
 326                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
 327         static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
 328         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 329
 330         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 331         udelay(2000);
 332         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 333         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 334
 335         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 336         udelay(2000);
 337         mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
 338         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 339
 340         return 0;
 341 }
 342
 343 static int advbt771_samsung_tdtc9251dh0_tuner_calc_regs(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf, int buf_len)
 344 {
 345         u32 div;
 346         unsigned char bs = 0;
 347         unsigned char cp = 0;
 348
 349         if (buf_len < 5) return -EINVAL;
 350
 351         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 352
 353         if (params->frequency < 150000000)
 354                 cp = 0xB4;
 355         else if (params->frequency < 173000000)
 356                 cp = 0xBC;
 357         else if (params->frequency < 250000000)
 358                 cp = 0xB4;
 359         else if (params->frequency < 400000000)
 360                 cp = 0xBC;
 361         else if (params->frequency < 420000000)
 362                 cp = 0xF4;
 363         else if (params->frequency < 470000000)
 364                 cp = 0xFC;
 365         else if (params->frequency < 600000000)
 366                 cp = 0xBC;
 367         else if (params->frequency < 730000000)
 368                 cp = 0xF4;
 369         else
 370                 cp = 0xFC;
 371
 372         if (params->frequency < 150000000)
 373                 bs = 0x01;
 374         else if (params->frequency < 173000000)
 375                 bs = 0x01;
 376         else if (params->frequency < 250000000)
 377                 bs = 0x02;
 378         else if (params->frequency < 400000000)
 379                 bs = 0x02;
 380         else if (params->frequency < 420000000)
 381                 bs = 0x02;
 382         else if (params->frequency < 470000000)
 383                 bs = 0x02;
 384         else if (params->frequency < 600000000)
 385                 bs = 0x08;
 386         else if (params->frequency < 730000000)
 387                 bs = 0x08;
 388         else
 389                 bs = 0x08;
 390
 391         pllbuf[0] = 0x61;
 392         pllbuf[1] = div >> 8;
 393         pllbuf[2] = div & 0xff;
 394         pllbuf[3] = cp;
 395         pllbuf[4] = bs;
 396
 397         return 5;
 398 }
 399
 400 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
 401         .demod_address = 0x0f,
 402         .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
 403 };
 404
 405 static struct dst_config dst_config = {
 406         .demod_address = 0x55,
 407 };
 408
 409 static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 410 {
 411         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 412
 413         return request_firmware(fw, name, &bt->bt->dev->dev);
 414 }
 415
 416 static void or51211_setmode(struct dvb_frontend * fe, int mode)
 417 {
 418         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 419         bttv_write_gpio(bt->bttv_nr, 0x0002, mode);   /* Reset */
 420         msleep(20);
 421 }
 422
 423 static void or51211_reset(struct dvb_frontend * fe)
 424 {
 425         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 426
 427         /* RESET DEVICE
 428          * reset is controled by GPIO-0
 429          * when set to 0 causes reset and when to 1 for normal op
 430          * must remain reset for 128 clock cycles on a 50Mhz clock
 431          * also PRM1 PRM2 & PRM4 are controled by GPIO-1,GPIO-2 & GPIO-4
 432          * We assume that the reset has be held low long enough or we
 433          * have been reset by a power on.  When the driver is unloaded
 434          * reset set to 0 so if reloaded we have been reset.
 435          */
 436         /* reset & PRM1,2&4 are outputs */
 437         int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
 438         if (ret != 0)
 439                 printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR (%i)\n", ret);
 440         bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
 441         msleep(20);
 442         /* Now set for normal operation */
 443         bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
 444         /* wait for operation to begin */
 445         msleep(500);
 446 }
 447
 448 static void or51211_sleep(struct dvb_frontend * fe)
 449 {
 450         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 451         bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
 452 }
 453
 454 static struct or51211_config or51211_config = {
 455         .demod_address = 0x15,
 456         .request_firmware = or51211_request_firmware,
 457         .setmode = or51211_setmode,
 458         .reset = or51211_reset,
 459         .sleep = or51211_sleep,
 460 };
 461
 462 static int vp3021_alps_tded4_tuner_set_params(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 463 {
 464         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 465         u8 buf[4];
 466         u32 div;
 467         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
 468
 469         div = (params->frequency + 36166667) / 166667;
 470
 471         buf[0] = (div >> 8) & 0x7F;
 472         buf[1] = div & 0xFF;
 473         buf[2] = 0x85;
 474         if ((params->frequency >= 47000000) && (params->frequency < 153000000))
 475                 buf[3] = 0x01;
 476         else if ((params->frequency >= 153000000) && (params->frequency < 430000000))
 477                 buf[3] = 0x02;
 478         else if ((params->frequency >= 430000000) && (params->frequency < 824000000))
 479                 buf[3] = 0x0C;
 480         else if ((params->frequency >= 824000000) && (params->frequency < 863000000))
 481                 buf[3] = 0x8C;
 482         else
 483                 return -EINVAL;
 484
 485         if (fe->ops.i2c_gate_ctrl)
 486                 fe->ops.i2c_gate_ctrl(fe, 1);
 487         i2c_transfer(card->i2c_adapter, &msg, 1);
 488         return 0;
 489 }
 490
 491 static struct nxt6000_config vp3021_alps_tded4_config = {
 492         .demod_address = 0x0a,
 493         .clock_inversion = 1,
 494 };
 495
 496 static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe)
 497 {
 498         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 499         static u8 mt352_reset [] = { 0x50, 0x80 };
 500         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 501         static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 };
 502         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 503
 504         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 505         udelay(2000);
 506         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 507         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 508         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 509         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 510
 511         return 0;
 512 }
 513
 514 static int digitv_alps_tded4_tuner_calc_regs(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf, int buf_len)
 515 {
 516         u32 div;
 517         struct dvb_ofdm_parameters *op = &params->u.ofdm;
 518
 519         if (buf_len < 5)
 520                 return -EINVAL;
 521
 522         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 523
 524         pllbuf[0] = 0x61;
 525         pllbuf[1] = (div >> 8) & 0x7F;
 526         pllbuf[2] = div & 0xFF;
 527         pllbuf[3] = 0x85;
 528
 529         dprintk("frequency %u, div %u\n", params->frequency, div);
 530
 531         if (params->frequency < 470000000)
 532                 pllbuf[4] = 0x02;
 533         else if (params->frequency > 823000000)
 534                 pllbuf[4] = 0x88;
 535         else
 536                 pllbuf[4] = 0x08;
 537
 538         if (op->bandwidth == 8)
 539                 pllbuf[4] |= 0x04;
 540
 541         return 5;
 542 }
 543
 544 static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
 545 {
 546         /*
 547          * Reset the frontend, must be called before trying
 548          * to initialise the MT352 or mt352_attach
 549          * will fail. Same goes for the nxt6000 frontend.
 550          *
 551          */
 552
 553         int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
 554         if (ret != 0)
 555                 printk(KERN_WARNING "digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n", ret);
 556
 557         /* Pulse the reset line */
 558         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 559         bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */
 560         msleep(100);
 561
 562         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 563 }
 564
 565 static struct mt352_config digitv_alps_tded4_config = {
 566         .demod_address = 0x0a,
 567         .demod_init = digitv_alps_tded4_demod_init,
 568 };
 569
 570 static struct lgdt330x_config tdvs_tua6034_config = {
 571         .demod_address    = 0x0e,
 572         .demod_chip       = LGDT3303,
 573         .serial_mpeg      = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
 574 };
 575
 576 static void lgdt330x_reset(struct dvb_bt8xx_card *bt)
 577 {
 578         /* Set pin 27 of the lgdt3303 chip high to reset the frontend */
 579
 580         /* Pulse the reset line */
 581         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
 582         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000000); /* Low  */
 583         msleep(100);
 584
 585         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
 586         msleep(100);
 587 }
 588
 589 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 590 {
 591         struct dst_state* state = NULL;
 592
 593         switch(type) {
 594         case BTTV_BOARD_DVICO_DVBT_LITE:
 595                 card->fe = dvb_attach(mt352_attach, &thomson_dtt7579_config, card->i2c_adapter);
 596
 597                 if (card->fe == NULL)
 598                         card->fe = dvb_attach(zl10353_attach, &thomson_dtt7579_zl10353_config,
 599                                                   card->i2c_adapter);
 600
 601                 if (card->fe != NULL) {
 602                         card->fe->ops.tuner_ops.calc_regs = thomson_dtt7579_tuner_calc_regs;
 603                         card->fe->ops.info.frequency_min = 174000000;
 604                         card->fe->ops.info.frequency_max = 862000000;
 605                 }
 606                 break;
 607
 608         case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
 609                 lgdt330x_reset(card);
 610                 card->fe = dvb_attach(lgdt330x_attach, &tdvs_tua6034_config, card->i2c_adapter);
 611                 if (card->fe != NULL) {
 612                         dvb_attach(lgh06xf_attach, card->fe, card->i2c_adapter);
 613                         dprintk ("dvb_bt8xx: lgdt330x detected\n");
 614                 }
 615                 break;
 616
 617         case BTTV_BOARD_NEBULA_DIGITV:
 618                 /*
 619                  * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);
 620                  * this would be a cleaner solution than trying each frontend in turn.
 621                  */
 622
 623                 /* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
 624                 digitv_alps_tded4_reset(card);
 625                 card->fe = dvb_attach(nxt6000_attach, &vp3021_alps_tded4_config, card->i2c_adapter);
 626                 if (card->fe != NULL) {
 627                         card->fe->ops.tuner_ops.set_params = vp3021_alps_tded4_tuner_set_params;
 628                         dprintk ("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
 629                         break;
 630                 }
 631
 632                 /* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
 633                 digitv_alps_tded4_reset(card);
 634                 card->fe = dvb_attach(mt352_attach, &digitv_alps_tded4_config, card->i2c_adapter);
 635
 636                 if (card->fe != NULL) {
 637                         card->fe->ops.tuner_ops.calc_regs = digitv_alps_tded4_tuner_calc_regs;
 638                         dprintk ("dvb_bt8xx: an mt352 was detected on your digitv card\n");
 639                 }
 640                 break;
 641
 642         case BTTV_BOARD_AVDVBT_761:
 643                 card->fe = dvb_attach(sp887x_attach, &microtune_mt7202dtf_config, card->i2c_adapter);
 644                 if (card->fe) {
 645                         card->fe->ops.tuner_ops.set_params = microtune_mt7202dtf_tuner_set_params;
 646                 }
 647                 break;
 648
 649         case BTTV_BOARD_AVDVBT_771:
 650                 card->fe = dvb_attach(mt352_attach, &advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
 651                 if (card->fe != NULL) {
 652                         card->fe->ops.tuner_ops.calc_regs = advbt771_samsung_tdtc9251dh0_tuner_calc_regs;
 653                         card->fe->ops.info.frequency_min = 174000000;
 654                         card->fe->ops.info.frequency_max = 862000000;
 655                 }
 656                 break;
 657
 658         case BTTV_BOARD_TWINHAN_DST:
 659                 /*      DST is not a frontend driver !!!                */
 660                 state = kmalloc(sizeof (struct dst_state), GFP_KERNEL);
 661                 if (!state) {
 662                         printk("dvb_bt8xx: No memory\n");
 663                         break;
 664                 }
 665                 /*      Setup the Card                                  */
 666                 state->config = &dst_config;
 667                 state->i2c = card->i2c_adapter;
 668                 state->bt = card->bt;
 669                 state->dst_ca = NULL;
 670                 /*      DST is not a frontend, attaching the ASIC       */
 671                 if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
 672                         printk("%s: Could not find a Twinhan DST.\n", __FUNCTION__);
 673                         break;
 674                 }
 675                 /*      Attach other DST peripherals if any             */
 676                 /*      Conditional Access device                       */
 677                 card->fe = &state->frontend;
 678                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
 679                         dvb_attach(dst_ca_attach, state, &card->dvb_adapter);
 680                 break;
 681
 682         case BTTV_BOARD_PINNACLESAT:
 683                 card->fe = dvb_attach(cx24110_attach, &pctvsat_config, card->i2c_adapter);
 684                 if (card->fe) {
 685                         card->fe->ops.tuner_ops.init = pinnsat_tuner_init;
 686                         card->fe->ops.tuner_ops.sleep = pinnsat_tuner_sleep;
 687                         card->fe->ops.tuner_ops.set_params = cx24108_tuner_set_params;
 688                 }
 689                 break;
 690
 691         case BTTV_BOARD_PC_HDTV:
 692                 card->fe = dvb_attach(or51211_attach, &or51211_config, card->i2c_adapter);
 693                 break;
 694         }
 695
 696         if (card->fe == NULL)
 697                 printk("dvb-bt8xx: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
 698                        card->bt->dev->vendor,
 699                        card->bt->dev->device,
 700                        card->bt->dev->subsystem_vendor,
 701                        card->bt->dev->subsystem_device);
 702         else
 703                 if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {
 704                         printk("dvb-bt8xx: Frontend registration failed!\n");
 705                         dvb_frontend_detach(card->fe);
 706                         card->fe = NULL;
 707                 }
 708 }
 709
 710 static int __devinit dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 711 {
 712         int result;
 713
 714         if ((result = dvb_register_adapter(&card->dvb_adapter, card->card_name, THIS_MODULE, &card->bt->dev->dev)) < 0) {
 715                 printk("dvb_bt8xx: dvb_register_adapter failed (errno = %d)\n", result);
 716                 return result;
 717         }
 718         card->dvb_adapter.priv = card;
 719
 720         card->bt->adapter = card->i2c_adapter;
 721
 722         memset(&card->demux, 0, sizeof(struct dvb_demux));
 723
 724         card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
 725
 726         card->demux.priv = card;
 727         card->demux.filternum = 256;
 728         card->demux.feednum = 256;
 729         card->demux.start_feed = dvb_bt8xx_start_feed;
 730         card->demux.stop_feed = dvb_bt8xx_stop_feed;
 731         card->demux.write_to_decoder = NULL;
 732
 733         if ((result = dvb_dmx_init(&card->demux)) < 0) {
 734                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 735
 736                 dvb_unregister_adapter(&card->dvb_adapter);
 737                 return result;
 738         }
 739
 740         card->dmxdev.filternum = 256;
 741         card->dmxdev.demux = &card->demux.dmx;
 742         card->dmxdev.capabilities = 0;
 743
 744         if ((result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter)) < 0) {
 745                 printk("dvb_bt8xx: dvb_dmxdev_init failed (errno = %d)\n", result);
 746
 747                 dvb_dmx_release(&card->demux);
 748                 dvb_unregister_adapter(&card->dvb_adapter);
 749                 return result;
 750         }
 751
 752         card->fe_hw.source = DMX_FRONTEND_0;
 753
 754         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
 755                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 756
 757                 dvb_dmxdev_release(&card->dmxdev);
 758                 dvb_dmx_release(&card->demux);
 759                 dvb_unregister_adapter(&card->dvb_adapter);
 760                 return result;
 761         }
 762
 763         card->fe_mem.source = DMX_MEMORY_FE;
 764
 765         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem)) < 0) {
 766                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 767
 768                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 769                 dvb_dmxdev_release(&card->dmxdev);
 770                 dvb_dmx_release(&card->demux);
 771                 dvb_unregister_adapter(&card->dvb_adapter);
 772                 return result;
 773         }
 774
 775         if ((result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
 776                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 777
 778                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 779                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 780                 dvb_dmxdev_release(&card->dmxdev);
 781                 dvb_dmx_release(&card->demux);
 782                 dvb_unregister_adapter(&card->dvb_adapter);
 783                 return result;
 784         }
 785
 786         dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
 787
 788         tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
 789
 790         frontend_init(card, type);
 791
 792         return 0;
 793 }
 794
 795 static int __devinit dvb_bt8xx_probe(struct bttv_sub_device *sub)
 796 {
 797         struct dvb_bt8xx_card *card;
 798         struct pci_dev* bttv_pci_dev;
 799         int ret;
 800
 801         if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
 802                 return -ENOMEM;
 803
 804         mutex_init(&card->lock);
 805         card->bttv_nr = sub->core->nr;
 806         strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));
 807         card->i2c_adapter = &sub->core->i2c_adap;
 808
 809         switch(sub->core->type) {
 810         case BTTV_BOARD_PINNACLESAT:
 811                 card->gpio_mode = 0x0400c060;
 812                 /* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
 813                               BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
 814                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 815                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 816                 break;
 817
 818         case BTTV_BOARD_DVICO_DVBT_LITE:
 819                 card->gpio_mode = 0x0400C060;
 820                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 821                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 822                 /* 26, 15, 14, 6, 5
 823                  * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
 824                  * DA_APP(parallel) */
 825                 break;
 826
 827         case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
 828                 card->gpio_mode = 0x0400c060;
 829                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 830                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 831                 break;
 832
 833         case BTTV_BOARD_NEBULA_DIGITV:
 834         case BTTV_BOARD_AVDVBT_761:
 835                 card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
 836                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 837                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 838                 /* A_PWRDN DA_SBR DA_APP (high speed serial) */
 839                 break;
 840
 841         case BTTV_BOARD_AVDVBT_771: //case 0x07711461:
 842                 card->gpio_mode = 0x0400402B;
 843                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 844                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 845                 /* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
 846                 break;
 847
 848         case BTTV_BOARD_TWINHAN_DST:
 849                 card->gpio_mode = 0x2204f2c;
 850                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 851                 card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
 852                                        BT878_APPERR | BT878_AFBUS;
 853                 /* 25,21,14,11,10,9,8,3,2 then
 854                  * 0x33 = 5,4,1,0
 855                  * A_SEL=SML, DA_MLB, DA_SBR,
 856                  * DA_SDR=f, fifo trigger = 32 DWORDS
 857                  * IOM = 0 == audio A/D
 858                  * DPM = 0 == digital audio mode
 859                  * == async data parallel port
 860                  * then 0x33 (13 is set by start_capture)
 861                  * DA_APP = async data parallel port,
 862                  * ACAP_EN = 1,
 863                  * RISC+FIFO ENABLE */
 864                 break;
 865
 866         case BTTV_BOARD_PC_HDTV:
 867                 card->gpio_mode = 0x0100EC7B;
 868                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 869                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 870                 break;
 871
 872         default:
 873                 printk(KERN_WARNING "dvb_bt8xx: Unknown bttv card type: %d.\n",
 874                                 sub->core->type);
 875                 kfree(card);
 876                 return -ENODEV;
 877         }
 878
 879         dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
 880
 881         if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
 882                 printk("dvb_bt8xx: no pci device for card %d\n", card->bttv_nr);
 883                 kfree(card);
 884                 return -EFAULT;
 885         }
 886
 887         if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
 888                 printk("dvb_bt8xx: unable to determine DMA core of card %d,\n",
 889                        card->bttv_nr);
 890                 printk("dvb_bt8xx: if you have the ALSA bt87x audio driver "
 891                        "installed, try removing it.\n");
 892
 893                 kfree(card);
 894                 return -EFAULT;
 895         }
 896
 897         mutex_init(&card->bt->gpio_lock);
 898         card->bt->bttv_nr = sub->core->nr;
 899
 900         if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
 901                 kfree(card);
 902                 return ret;
 903         }
 904
 905         dev_set_drvdata(&sub->dev, card);
 906         return 0;
 907 }
 908
 909 static void dvb_bt8xx_remove(struct bttv_sub_device *sub)
 910 {
 911         struct dvb_bt8xx_card *card = dev_get_drvdata(&sub->dev);
 912
 913         dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
 914
 915         bt878_stop(card->bt);
 916         tasklet_kill(&card->bt->tasklet);
 917         dvb_net_release(&card->dvbnet);
 918         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 919         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 920         dvb_dmxdev_release(&card->dmxdev);
 921         dvb_dmx_release(&card->demux);
 922         if (card->fe) {
 923                 dvb_unregister_frontend(card->fe);
 924                 dvb_frontend_detach(card->fe);
 925         }
 926         dvb_unregister_adapter(&card->dvb_adapter);
 927
 928         kfree(card);
 929 }
 930
 931 static struct bttv_sub_driver driver = {
 932         .drv = {
 933                 .name           = "dvb-bt8xx",
 934         },
 935         .probe          = dvb_bt8xx_probe,
 936         .remove         = dvb_bt8xx_remove,
 937         /* FIXME:
 938          * .shutdown    = dvb_bt8xx_shutdown,
 939          * .suspend     = dvb_bt8xx_suspend,
 940          * .resume      = dvb_bt8xx_resume,
 941          */
 942 };
 943
 944 static int __init dvb_bt8xx_init(void)
 945 {
 946         return bttv_sub_register(&driver, "dvb");
 947 }
 948
 949 static void __exit dvb_bt8xx_exit(void)
 950 {
 951         bttv_sub_unregister(&driver);
 952 }
 953
 954 module_init(dvb_bt8xx_init);
 955 module_exit(dvb_bt8xx_exit);
 956
 957 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
 958 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
 959 MODULE_LICENSE("GPL");