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         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_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         struct dvb_bt8xx_card *card = fe->dvb->priv;
 243
 244         bttv_gpio_enable(card->bttv_nr, 1, 1);  /* output */
 245         bttv_write_gpio(card->bttv_nr, 1, 1);   /* relay on */
 246
 247         return 0;
 248 }
 249
 250 static int pinnsat_pll_sleep(struct dvb_frontend* fe)
 251 {
 252         struct dvb_bt8xx_card *card = fe->dvb->priv;
 253
 254         bttv_write_gpio(card->bttv_nr, 1, 0);   /* relay off */
 255
 256         return 0;
 257 }
 258
 259 static struct cx24110_config pctvsat_config = {
 260         .demod_address = 0x55,
 261         .pll_init = pinnsat_pll_init,
 262         .pll_set = cx24108_pll_set,
 263         .pll_sleep = pinnsat_pll_sleep,
 264 };
 265
 266 static int microtune_mt7202dtf_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 267 {
 268         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 269         u8 cfg, cpump, band_select;
 270         u8 data[4];
 271         u32 div;
 272         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
 273
 274         div = (36000000 + params->frequency + 83333) / 166666;
 275         cfg = 0x88;
 276
 277         if (params->frequency < 175000000)
 278                 cpump = 2;
 279         else if (params->frequency < 390000000)
 280                 cpump = 1;
 281         else if (params->frequency < 470000000)
 282                 cpump = 2;
 283         else if (params->frequency < 750000000)
 284                 cpump = 2;
 285         else
 286                 cpump = 3;
 287
 288         if (params->frequency < 175000000)
 289                 band_select = 0x0e;
 290         else if (params->frequency < 470000000)
 291                 band_select = 0x05;
 292         else
 293                 band_select = 0x03;
 294
 295         data[0] = (div >> 8) & 0x7f;
 296         data[1] = div & 0xff;
 297         data[2] = ((div >> 10) & 0x60) | cfg;
 298         data[3] = (cpump << 6) | band_select;
 299
 300         i2c_transfer(card->i2c_adapter, &msg, 1);
 301         return (div * 166666 - 36000000);
 302 }
 303
 304 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 305 {
 306         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 307
 308         return request_firmware(fw, name, &bt->bt->dev->dev);
 309 }
 310
 311 static struct sp887x_config microtune_mt7202dtf_config = {
 312         .demod_address = 0x70,
 313         .pll_set = microtune_mt7202dtf_pll_set,
 314         .request_firmware = microtune_mt7202dtf_request_firmware,
 315 };
 316
 317 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
 318 {
 319         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 320         static u8 mt352_reset [] = { 0x50, 0x80 };
 321         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 322         static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
 323                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
 324         static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
 325         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 326
 327         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 328         udelay(2000);
 329         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 330         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 331
 332         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 333         udelay(2000);
 334         mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
 335         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 336
 337         return 0;
 338 }
 339
 340 static int advbt771_samsung_tdtc9251dh0_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
 341 {
 342         u32 div;
 343         unsigned char bs = 0;
 344         unsigned char cp = 0;
 345
 346         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 347
 348         if (params->frequency < 150000000)
 349                 cp = 0xB4;
 350         else if (params->frequency < 173000000)
 351                 cp = 0xBC;
 352         else if (params->frequency < 250000000)
 353                 cp = 0xB4;
 354         else if (params->frequency < 400000000)
 355                 cp = 0xBC;
 356         else if (params->frequency < 420000000)
 357                 cp = 0xF4;
 358         else if (params->frequency < 470000000)
 359                 cp = 0xFC;
 360         else if (params->frequency < 600000000)
 361                 cp = 0xBC;
 362         else if (params->frequency < 730000000)
 363                 cp = 0xF4;
 364         else
 365                 cp = 0xFC;
 366
 367         if (params->frequency < 150000000)
 368                 bs = 0x01;
 369         else if (params->frequency < 173000000)
 370                 bs = 0x01;
 371         else if (params->frequency < 250000000)
 372                 bs = 0x02;
 373         else if (params->frequency < 400000000)
 374                 bs = 0x02;
 375         else if (params->frequency < 420000000)
 376                 bs = 0x02;
 377         else if (params->frequency < 470000000)
 378                 bs = 0x02;
 379         else if (params->frequency < 600000000)
 380                 bs = 0x08;
 381         else if (params->frequency < 730000000)
 382                 bs = 0x08;
 383         else
 384                 bs = 0x08;
 385
 386         pllbuf[0] = 0xc2; // Note: non-linux standard PLL i2c address
 387         pllbuf[1] = div >> 8;
 388         pllbuf[2] = div & 0xff;
 389         pllbuf[3] = cp;
 390         pllbuf[4] = bs;
 391
 392         return 0;
 393 }
 394
 395 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
 396         .demod_address = 0x0f,
 397         .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
 398         .pll_set = advbt771_samsung_tdtc9251dh0_pll_set,
 399 };
 400
 401 static struct dst_config dst_config = {
 402         .demod_address = 0x55,
 403 };
 404
 405 static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 406 {
 407         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 408
 409         return request_firmware(fw, name, &bt->bt->dev->dev);
 410 }
 411
 412 static void or51211_setmode(struct dvb_frontend * fe, int mode)
 413 {
 414         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 415         bttv_write_gpio(bt->bttv_nr, 0x0002, mode);   /* Reset */
 416         msleep(20);
 417 }
 418
 419 static void or51211_reset(struct dvb_frontend * fe)
 420 {
 421         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 422
 423         /* RESET DEVICE
 424          * reset is controled by GPIO-0
 425          * when set to 0 causes reset and when to 1 for normal op
 426          * must remain reset for 128 clock cycles on a 50Mhz clock
 427          * also PRM1 PRM2 & PRM4 are controled by GPIO-1,GPIO-2 & GPIO-4
 428          * We assume that the reset has be held low long enough or we
 429          * have been reset by a power on.  When the driver is unloaded
 430          * reset set to 0 so if reloaded we have been reset.
 431          */
 432         /* reset & PRM1,2&4 are outputs */
 433         int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
 434         if (ret != 0)
 435                 printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR (%i)\n", ret);
 436         bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
 437         msleep(20);
 438         /* Now set for normal operation */
 439         bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
 440         /* wait for operation to begin */
 441         msleep(500);
 442 }
 443
 444 static void or51211_sleep(struct dvb_frontend * fe)
 445 {
 446         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 447         bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
 448 }
 449
 450 static struct or51211_config or51211_config = {
 451         .demod_address = 0x15,
 452         .request_firmware = or51211_request_firmware,
 453         .setmode = or51211_setmode,
 454         .reset = or51211_reset,
 455         .sleep = or51211_sleep,
 456 };
 457
 458 static int vp3021_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 459 {
 460         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 461         u8 buf[4];
 462         u32 div;
 463         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
 464
 465         div = (params->frequency + 36166667) / 166667;
 466
 467         buf[0] = (div >> 8) & 0x7F;
 468         buf[1] = div & 0xFF;
 469         buf[2] = 0x85;
 470         if ((params->frequency >= 47000000) && (params->frequency < 153000000))
 471                 buf[3] = 0x01;
 472         else if ((params->frequency >= 153000000) && (params->frequency < 430000000))
 473                 buf[3] = 0x02;
 474         else if ((params->frequency >= 430000000) && (params->frequency < 824000000))
 475                 buf[3] = 0x0C;
 476         else if ((params->frequency >= 824000000) && (params->frequency < 863000000))
 477                 buf[3] = 0x8C;
 478         else
 479                 return -EINVAL;
 480
 481         i2c_transfer(card->i2c_adapter, &msg, 1);
 482         return 0;
 483 }
 484
 485 static struct nxt6000_config vp3021_alps_tded4_config = {
 486         .demod_address = 0x0a,
 487         .clock_inversion = 1,
 488         .pll_set = vp3021_alps_tded4_pll_set,
 489 };
 490
 491 static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe)
 492 {
 493         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 494         static u8 mt352_reset [] = { 0x50, 0x80 };
 495         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 496         static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 };
 497         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 498
 499         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 500         udelay(2000);
 501         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 502         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 503         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 504         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 505
 506         return 0;
 507 }
 508
 509 static int digitv_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
 510 {
 511         u32 div;
 512         struct dvb_ofdm_parameters *op = &params->u.ofdm;
 513
 514         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 515
 516         pllbuf[0] = 0xc2;
 517         pllbuf[1] = (div >> 8) & 0x7F;
 518         pllbuf[2] = div & 0xFF;
 519         pllbuf[3] = 0x85;
 520
 521         dprintk("frequency %u, div %u\n", params->frequency, div);
 522
 523         if (params->frequency < 470000000)
 524                 pllbuf[4] = 0x02;
 525         else if (params->frequency > 823000000)
 526                 pllbuf[4] = 0x88;
 527         else
 528                 pllbuf[4] = 0x08;
 529
 530         if (op->bandwidth == 8)
 531                 pllbuf[4] |= 0x04;
 532
 533         return 0;
 534 }
 535
 536 static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
 537 {
 538         /*
 539          * Reset the frontend, must be called before trying
 540          * to initialise the MT352 or mt352_attach
 541          * will fail. Same goes for the nxt6000 frontend.
 542          *
 543          */
 544
 545         int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
 546         if (ret != 0)
 547                 printk(KERN_WARNING "digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n", ret);
 548
 549         /* Pulse the reset line */
 550         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 551         bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */
 552         msleep(100);
 553
 554         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 555 }
 556
 557 static struct mt352_config digitv_alps_tded4_config = {
 558         .demod_address = 0x0a,
 559         .demod_init = digitv_alps_tded4_demod_init,
 560         .pll_set = digitv_alps_tded4_pll_set,
 561 };
 562
 563 static int tdvs_tua6034_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 564 {
 565         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 566         u8 buf[4];
 567         struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
 568         int err;
 569
 570         dvb_pll_configure(&dvb_pll_tdvs_tua6034, buf, params->frequency, 0);
 571         dprintk("%s: tuner at 0x%02x bytes: 0x%02x 0x%02x 0x%02x 0x%02x\n",
 572                 __FUNCTION__, msg.addr, buf[0],buf[1],buf[2],buf[3]);
 573         if ((err = i2c_transfer(card->i2c_adapter, &msg, 1)) != 1) {
 574                 printk(KERN_WARNING "dvb-bt8xx: %s error "
 575                         "(addr %02x <- %02x, err = %i)\n",
 576                         __FUNCTION__, buf[0], buf[1], err);
 577                 if (err < 0)
 578                         return err;
 579                 else
 580                         return -EREMOTEIO;
 581         }
 582
 583         /* Set the Auxiliary Byte. */
 584         buf[2] &= ~0x20;
 585         buf[2] |= 0x18;
 586         buf[3] = 0x50;
 587         i2c_transfer(card->i2c_adapter, &msg, 1);
 588
 589         return 0;
 590 }
 591
 592 static struct lgdt330x_config tdvs_tua6034_config = {
 593         .demod_address    = 0x0e,
 594         .demod_chip       = LGDT3303,
 595         .serial_mpeg      = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
 596         .pll_set          = tdvs_tua6034_pll_set,
 597 };
 598
 599 static void lgdt330x_reset(struct dvb_bt8xx_card *bt)
 600 {
 601         /* Set pin 27 of the lgdt3303 chip high to reset the frontend */
 602
 603         /* Pulse the reset line */
 604         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
 605         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000000); /* Low  */
 606         msleep(100);
 607
 608         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
 609         msleep(100);
 610 }
 611
 612 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 613 {
 614         int ret;
 615         struct dst_state* state = NULL;
 616
 617         switch(type) {
 618         case BTTV_BOARD_DVICO_DVBT_LITE:
 619                 card->fe = mt352_attach(&thomson_dtt7579_config, card->i2c_adapter);
 620                 if (card->fe != NULL) {
 621                         card->fe->ops->info.frequency_min = 174000000;
 622                         card->fe->ops->info.frequency_max = 862000000;
 623                 }
 624                 break;
 625
 626         case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
 627                 lgdt330x_reset(card);
 628                 card->fe = lgdt330x_attach(&tdvs_tua6034_config, card->i2c_adapter);
 629                 if (card->fe != NULL)
 630                         dprintk ("dvb_bt8xx: lgdt330x detected\n");
 631                 break;
 632
 633         case BTTV_BOARD_NEBULA_DIGITV:
 634                 /*
 635                  * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);
 636                  * this would be a cleaner solution than trying each frontend in turn.
 637                  */
 638
 639                 /* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
 640                 digitv_alps_tded4_reset(card);
 641                 card->fe = nxt6000_attach(&vp3021_alps_tded4_config, card->i2c_adapter);
 642                 if (card->fe != NULL) {
 643                         dprintk ("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
 644                         break;
 645                 }
 646
 647                 /* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
 648                 digitv_alps_tded4_reset(card);
 649                 card->fe = mt352_attach(&digitv_alps_tded4_config, card->i2c_adapter);
 650
 651                 if (card->fe != NULL)
 652                         dprintk ("dvb_bt8xx: an mt352 was detected on your digitv card\n");
 653                 break;
 654
 655         case BTTV_BOARD_AVDVBT_761:
 656                 card->fe = sp887x_attach(&microtune_mt7202dtf_config, card->i2c_adapter);
 657                 break;
 658
 659         case BTTV_BOARD_AVDVBT_771:
 660                 card->fe = mt352_attach(&advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
 661                 if (card->fe != NULL) {
 662                         card->fe->ops->info.frequency_min = 174000000;
 663                         card->fe->ops->info.frequency_max = 862000000;
 664                 }
 665                 break;
 666
 667         case BTTV_BOARD_TWINHAN_DST:
 668                 /*      DST is not a frontend driver !!!                */
 669                 state = (struct dst_state *) kmalloc(sizeof (struct dst_state), GFP_KERNEL);
 670                 /*      Setup the Card                                  */
 671                 state->config = &dst_config;
 672                 state->i2c = card->i2c_adapter;
 673                 state->bt = card->bt;
 674
 675                 /*      DST is not a frontend, attaching the ASIC       */
 676                 if ((dst_attach(state, &card->dvb_adapter)) == NULL) {
 677                         printk("%s: Could not find a Twinhan DST.\n", __FUNCTION__);
 678                         break;
 679                 }
 680                 card->fe = &state->frontend;
 681
 682                 /*      Attach other DST peripherals if any             */
 683                 /*      Conditional Access device                       */
 684                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
 685                         ret = dst_ca_attach(state, &card->dvb_adapter);
 686                 break;
 687
 688         case BTTV_BOARD_PINNACLESAT:
 689                 card->fe = cx24110_attach(&pctvsat_config, card->i2c_adapter);
 690                 break;
 691
 692         case BTTV_BOARD_PC_HDTV:
 693                 card->fe = 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                         if (card->fe->ops->release)
 707                                 card->fe->ops->release(card->fe);
 708                         card->fe = NULL;
 709                 }
 710 }
 711
 712 static int __devinit dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 713 {
 714         int result;
 715
 716         if ((result = dvb_register_adapter(&card->dvb_adapter, card->card_name, THIS_MODULE)) < 0) {
 717                 printk("dvb_bt8xx: dvb_register_adapter failed (errno = %d)\n", result);
 718                 return result;
 719         }
 720         card->dvb_adapter.priv = card;
 721
 722         card->bt->adapter = card->i2c_adapter;
 723
 724         memset(&card->demux, 0, sizeof(struct dvb_demux));
 725
 726         card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
 727
 728         card->demux.priv = card;
 729         card->demux.filternum = 256;
 730         card->demux.feednum = 256;
 731         card->demux.start_feed = dvb_bt8xx_start_feed;
 732         card->demux.stop_feed = dvb_bt8xx_stop_feed;
 733         card->demux.write_to_decoder = NULL;
 734
 735         if ((result = dvb_dmx_init(&card->demux)) < 0) {
 736                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 737
 738                 dvb_unregister_adapter(&card->dvb_adapter);
 739                 return result;
 740         }
 741
 742         card->dmxdev.filternum = 256;
 743         card->dmxdev.demux = &card->demux.dmx;
 744         card->dmxdev.capabilities = 0;
 745
 746         if ((result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter)) < 0) {
 747                 printk("dvb_bt8xx: dvb_dmxdev_init failed (errno = %d)\n", result);
 748
 749                 dvb_dmx_release(&card->demux);
 750                 dvb_unregister_adapter(&card->dvb_adapter);
 751                 return result;
 752         }
 753
 754         card->fe_hw.source = DMX_FRONTEND_0;
 755
 756         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
 757                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 758
 759                 dvb_dmxdev_release(&card->dmxdev);
 760                 dvb_dmx_release(&card->demux);
 761                 dvb_unregister_adapter(&card->dvb_adapter);
 762                 return result;
 763         }
 764
 765         card->fe_mem.source = DMX_MEMORY_FE;
 766
 767         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem)) < 0) {
 768                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 769
 770                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 771                 dvb_dmxdev_release(&card->dmxdev);
 772                 dvb_dmx_release(&card->demux);
 773                 dvb_unregister_adapter(&card->dvb_adapter);
 774                 return result;
 775         }
 776
 777         if ((result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
 778                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 779
 780                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 781                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 782                 dvb_dmxdev_release(&card->dmxdev);
 783                 dvb_dmx_release(&card->demux);
 784                 dvb_unregister_adapter(&card->dvb_adapter);
 785                 return result;
 786         }
 787
 788         dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
 789
 790         tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
 791
 792         frontend_init(card, type);
 793
 794         return 0;
 795 }
 796
 797 static int __devinit dvb_bt8xx_probe(struct bttv_sub_device *sub)
 798 {
 799         struct dvb_bt8xx_card *card;
 800         struct pci_dev* bttv_pci_dev;
 801         int ret;
 802
 803         if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
 804                 return -ENOMEM;
 805
 806         mutex_init(&card->lock);
 807         card->bttv_nr = sub->core->nr;
 808         strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));
 809         card->i2c_adapter = &sub->core->i2c_adap;
 810
 811         switch(sub->core->type) {
 812         case BTTV_BOARD_PINNACLESAT:
 813                 card->gpio_mode = 0x0400c060;
 814                 /* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
 815                               BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
 816                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 817                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 818                 break;
 819
 820         case BTTV_BOARD_DVICO_DVBT_LITE:
 821                 card->gpio_mode = 0x0400C060;
 822                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 823                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 824                 /* 26, 15, 14, 6, 5
 825                  * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
 826                  * DA_APP(parallel) */
 827                 break;
 828
 829         case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
 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         case BTTV_BOARD_NEBULA_DIGITV:
 836         case BTTV_BOARD_AVDVBT_761:
 837                 card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
 838                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 839                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 840                 /* A_PWRDN DA_SBR DA_APP (high speed serial) */
 841                 break;
 842
 843         case BTTV_BOARD_AVDVBT_771: //case 0x07711461:
 844                 card->gpio_mode = 0x0400402B;
 845                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 846                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 847                 /* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
 848                 break;
 849
 850         case BTTV_BOARD_TWINHAN_DST:
 851                 card->gpio_mode = 0x2204f2c;
 852                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 853                 card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
 854                                        BT878_APPERR | BT878_AFBUS;
 855                 /* 25,21,14,11,10,9,8,3,2 then
 856                  * 0x33 = 5,4,1,0
 857                  * A_SEL=SML, DA_MLB, DA_SBR,
 858                  * DA_SDR=f, fifo trigger = 32 DWORDS
 859                  * IOM = 0 == audio A/D
 860                  * DPM = 0 == digital audio mode
 861                  * == async data parallel port
 862                  * then 0x33 (13 is set by start_capture)
 863                  * DA_APP = async data parallel port,
 864                  * ACAP_EN = 1,
 865                  * RISC+FIFO ENABLE */
 866                 break;
 867
 868         case BTTV_BOARD_PC_HDTV:
 869                 card->gpio_mode = 0x0100EC7B;
 870                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 871                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 872                 break;
 873
 874         default:
 875                 printk(KERN_WARNING "dvb_bt8xx: Unknown bttv card type: %d.\n",
 876                                 sub->core->type);
 877                 kfree(card);
 878                 return -ENODEV;
 879         }
 880
 881         dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
 882
 883         if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
 884                 printk("dvb_bt8xx: no pci device for card %d\n", card->bttv_nr);
 885                 kfree(card);
 886                 return -EFAULT;
 887         }
 888
 889         if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
 890                 printk("dvb_bt8xx: unable to determine DMA core of card %d,\n",
 891                        card->bttv_nr);
 892                 printk("dvb_bt8xx: if you have the ALSA bt87x audio driver "
 893                        "installed, try removing it.\n");
 894
 895                 kfree(card);
 896                 return -EFAULT;
 897         }
 898
 899         mutex_init(&card->bt->gpio_lock);
 900         card->bt->bttv_nr = sub->core->nr;
 901
 902         if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
 903                 kfree(card);
 904                 return ret;
 905         }
 906
 907         dev_set_drvdata(&sub->dev, card);
 908         return 0;
 909 }
 910
 911 static void dvb_bt8xx_remove(struct bttv_sub_device *sub)
 912 {
 913         struct dvb_bt8xx_card *card = dev_get_drvdata(&sub->dev);
 914
 915         dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
 916
 917         bt878_stop(card->bt);
 918         tasklet_kill(&card->bt->tasklet);
 919         dvb_net_release(&card->dvbnet);
 920         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 921         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 922         dvb_dmxdev_release(&card->dmxdev);
 923         dvb_dmx_release(&card->demux);
 924         if (card->fe)
 925                 dvb_unregister_frontend(card->fe);
 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");