drivers/media/pci/bt8xx/dvb-bt8xx.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Bt8xx based DVB adapter driver
   4  *
   5  * Copyright (C) 2002,2003 Florian Schirmer <jolt@tuxbox.org>
   6  */
   7
   8 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
   9
  10 #include <linux/bitops.h>
  11 #include <linux/module.h>
  12 #include <linux/init.h>
  13 #include <linux/kernel.h>
  14 #include <linux/device.h>
  15 #include <linux/delay.h>
  16 #include <linux/slab.h>
  17 #include <linux/i2c.h>
  18
  19 #include <media/dmxdev.h>
  20 #include <media/dvbdev.h>
  21 #include <media/dvb_demux.h>
  22 #include <media/dvb_frontend.h>
  23 #include "dvb-bt8xx.h"
  24 #include "bt878.h"
  25
  26 static int debug;
  27
  28 module_param(debug, int, 0644);
  29 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
  30
  31 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  32
  33 #define dprintk(fmt, arg...) do {                               \
  34         if (debug)                                              \
  35                 printk(KERN_DEBUG pr_fmt("%s: " fmt),           \
  36                        __func__, ##arg);                        \
  37 } while (0)
  38
  39
  40 #define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
  41
  42 static void dvb_bt8xx_task(unsigned long data)
  43 {
  44         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data;
  45
  46         dprintk("%d\n", card->bt->finished_block);
  47
  48         while (card->bt->last_block != card->bt->finished_block) {
  49                 (card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
  50                         (&card->demux,
  51                          &card->bt->buf_cpu[card->bt->last_block *
  52                                             card->bt->block_bytes],
  53                          card->bt->block_bytes);
  54                 card->bt->last_block = (card->bt->last_block + 1) %
  55                                         card->bt->block_count;
  56         }
  57 }
  58
  59 static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
  60 {
  61         struct dvb_demux*dvbdmx = dvbdmxfeed->demux;
  62         struct dvb_bt8xx_card *card = dvbdmx->priv;
  63         int rc;
  64
  65         dprintk("dvb_bt8xx: start_feed\n");
  66
  67         if (!dvbdmx->dmx.frontend)
  68                 return -EINVAL;
  69
  70         mutex_lock(&card->lock);
  71         card->nfeeds++;
  72         rc = card->nfeeds;
  73         if (card->nfeeds == 1)
  74                 bt878_start(card->bt, card->gpio_mode,
  75                             card->op_sync_orin, card->irq_err_ignore);
  76         mutex_unlock(&card->lock);
  77         return rc;
  78 }
  79
  80 static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
  81 {
  82         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
  83         struct dvb_bt8xx_card *card = dvbdmx->priv;
  84
  85         dprintk("dvb_bt8xx: stop_feed\n");
  86
  87         if (!dvbdmx->dmx.frontend)
  88                 return -EINVAL;
  89
  90         mutex_lock(&card->lock);
  91         card->nfeeds--;
  92         if (card->nfeeds == 0)
  93                 bt878_stop(card->bt);
  94         mutex_unlock(&card->lock);
  95
  96         return 0;
  97 }
  98
  99 static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev)
 100 {
 101         if ((adev->subsystem_vendor == bdev->subsystem_vendor) &&
 102                 (adev->subsystem_device == bdev->subsystem_device) &&
 103                 (adev->bus->number == bdev->bus->number) &&
 104                 (PCI_SLOT(adev->devfn) == PCI_SLOT(bdev->devfn)))
 105                 return 1;
 106         return 0;
 107 }
 108
 109 static struct bt878 *dvb_bt8xx_878_match(unsigned int bttv_nr,
 110                                          struct pci_dev* bttv_pci_dev)
 111 {
 112         unsigned int card_nr;
 113
 114         /* Hmm, n squared. Hope n is small */
 115         for (card_nr = 0; card_nr < bt878_num; card_nr++)
 116                 if (is_pci_slot_eq(bt878[card_nr].dev, bttv_pci_dev))
 117                         return &bt878[card_nr];
 118         return NULL;
 119 }
 120
 121 static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
 122 {
 123         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
 124         static u8 mt352_reset [] = { 0x50, 0x80 };
 125         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 126         static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
 127         static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
 128         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 129
 130         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 131         udelay(2000);
 132         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 133         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 134
 135         mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
 136         mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
 137         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 138
 139         return 0;
 140 }
 141
 142 static int thomson_dtt7579_tuner_calc_regs(struct dvb_frontend *fe, u8* pllbuf, int buf_len)
 143 {
 144         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 145         u32 div;
 146         unsigned char bs = 0;
 147         unsigned char cp = 0;
 148
 149         if (buf_len < 5)
 150                 return -EINVAL;
 151
 152         div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 153
 154         if (c->frequency < 542000000)
 155                 cp = 0xb4;
 156         else if (c->frequency < 771000000)
 157                 cp = 0xbc;
 158         else
 159                 cp = 0xf4;
 160
 161         if (c->frequency == 0)
 162                 bs = 0x03;
 163         else if (c->frequency < 443250000)
 164                 bs = 0x02;
 165         else
 166                 bs = 0x08;
 167
 168         pllbuf[0] = 0x60;
 169         pllbuf[1] = div >> 8;
 170         pllbuf[2] = div & 0xff;
 171         pllbuf[3] = cp;
 172         pllbuf[4] = bs;
 173
 174         return 5;
 175 }
 176
 177 static struct mt352_config thomson_dtt7579_config = {
 178         .demod_address = 0x0f,
 179         .demod_init = thomson_dtt7579_demod_init,
 180 };
 181
 182 static struct zl10353_config thomson_dtt7579_zl10353_config = {
 183         .demod_address = 0x0f,
 184 };
 185
 186 static int cx24108_tuner_set_params(struct dvb_frontend *fe)
 187 {
 188         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 189         u32 freq = c->frequency;
 190         int i, a, n, pump;
 191         u32 band, pll;
 192         u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
 193                 1576000,1718000,1856000,2036000,2150000};
 194         u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
 195                 0x00102000,0x00104000,0x00108000,0x00110000,
 196                 0x00120000,0x00140000};
 197
 198         #define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
 199         dprintk("cx24108 debug: entering SetTunerFreq, freq=%d\n", freq);
 200
 201         /* This is really the bit driving the tuner chip cx24108 */
 202
 203         if (freq<950000)
 204                 freq = 950000; /* kHz */
 205         else if (freq>2150000)
 206                 freq = 2150000; /* satellite IF is 950..2150MHz */
 207
 208         /* decide which VCO to use for the input frequency */
 209         for(i = 1; (i < ARRAY_SIZE(osci) - 1) && (osci[i] < freq); i++);
 210         dprintk("cx24108 debug: select vco #%d (f=%d)\n", i, freq);
 211         band=bandsel[i];
 212         /* the gain values must be set by SetSymbolrate */
 213         /* compute the pll divider needed, from Conexant data sheet,
 214            resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
 215            depending on the divider bit. It is set to /4 on the 2 lowest
 216            bands  */
 217         n=((i<=2?2:1)*freq*10L)/(XTAL/100);
 218         a=n%32; n/=32; if(a==0) n--;
 219         pump=(freq<(osci[i-1]+osci[i])/2);
 220         pll=0xf8000000|
 221             ((pump?1:2)<<(14+11))|
 222             ((n&0x1ff)<<(5+11))|
 223             ((a&0x1f)<<11);
 224         /* everything is shifted left 11 bits to left-align the bits in the
 225            32bit word. Output to the tuner goes MSB-aligned, after all */
 226         dprintk("cx24108 debug: pump=%d, n=%d, a=%d\n", pump, n, a);
 227         cx24110_pll_write(fe,band);
 228         /* set vga and vca to their widest-band settings, as a precaution.
 229            SetSymbolrate might not be called to set this up */
 230         cx24110_pll_write(fe,0x500c0000);
 231         cx24110_pll_write(fe,0x83f1f800);
 232         cx24110_pll_write(fe,pll);
 233         //writereg(client,0x56,0x7f);
 234
 235         return 0;
 236 }
 237
 238 static int pinnsat_tuner_init(struct dvb_frontend* fe)
 239 {
 240         struct dvb_bt8xx_card *card = fe->dvb->priv;
 241
 242         bttv_gpio_enable(card->bttv_nr, 1, 1);  /* output */
 243         bttv_write_gpio(card->bttv_nr, 1, 1);   /* relay on */
 244
 245         return 0;
 246 }
 247
 248 static int pinnsat_tuner_sleep(struct dvb_frontend* fe)
 249 {
 250         struct dvb_bt8xx_card *card = fe->dvb->priv;
 251
 252         bttv_write_gpio(card->bttv_nr, 1, 0);   /* relay off */
 253
 254         return 0;
 255 }
 256
 257 static struct cx24110_config pctvsat_config = {
 258         .demod_address = 0x55,
 259 };
 260
 261 static int microtune_mt7202dtf_tuner_set_params(struct dvb_frontend *fe)
 262 {
 263         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 264         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 265         u8 cfg, cpump, band_select;
 266         u8 data[4];
 267         u32 div;
 268         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
 269
 270         div = (36000000 + c->frequency + 83333) / 166666;
 271         cfg = 0x88;
 272
 273         if (c->frequency < 175000000)
 274                 cpump = 2;
 275         else if (c->frequency < 390000000)
 276                 cpump = 1;
 277         else if (c->frequency < 470000000)
 278                 cpump = 2;
 279         else if (c->frequency < 750000000)
 280                 cpump = 2;
 281         else
 282                 cpump = 3;
 283
 284         if (c->frequency < 175000000)
 285                 band_select = 0x0e;
 286         else if (c->frequency < 470000000)
 287                 band_select = 0x05;
 288         else
 289                 band_select = 0x03;
 290
 291         data[0] = (div >> 8) & 0x7f;
 292         data[1] = div & 0xff;
 293         data[2] = ((div >> 10) & 0x60) | cfg;
 294         data[3] = (cpump << 6) | band_select;
 295
 296         if (fe->ops.i2c_gate_ctrl)
 297                 fe->ops.i2c_gate_ctrl(fe, 1);
 298         i2c_transfer(card->i2c_adapter, &msg, 1);
 299         return (div * 166666 - 36000000);
 300 }
 301
 302 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 303 {
 304         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 305
 306         return request_firmware(fw, name, &bt->bt->dev->dev);
 307 }
 308
 309 static const struct sp887x_config microtune_mt7202dtf_config = {
 310         .demod_address = 0x70,
 311         .request_firmware = microtune_mt7202dtf_request_firmware,
 312 };
 313
 314 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
 315 {
 316         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 317         static u8 mt352_reset [] = { 0x50, 0x80 };
 318         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 319         static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
 320                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
 321         static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
 322         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 323
 324         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 325         udelay(2000);
 326         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 327         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 328
 329         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 330         udelay(2000);
 331         mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
 332         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 333
 334         return 0;
 335 }
 336
 337 static int advbt771_samsung_tdtc9251dh0_tuner_calc_regs(struct dvb_frontend *fe, u8 *pllbuf, int buf_len)
 338 {
 339         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 340         u32 div;
 341         unsigned char bs = 0;
 342         unsigned char cp = 0;
 343
 344         if (buf_len < 5) return -EINVAL;
 345
 346         div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 347
 348         if (c->frequency < 150000000)
 349                 cp = 0xB4;
 350         else if (c->frequency < 173000000)
 351                 cp = 0xBC;
 352         else if (c->frequency < 250000000)
 353                 cp = 0xB4;
 354         else if (c->frequency < 400000000)
 355                 cp = 0xBC;
 356         else if (c->frequency < 420000000)
 357                 cp = 0xF4;
 358         else if (c->frequency < 470000000)
 359                 cp = 0xFC;
 360         else if (c->frequency < 600000000)
 361                 cp = 0xBC;
 362         else if (c->frequency < 730000000)
 363                 cp = 0xF4;
 364         else
 365                 cp = 0xFC;
 366
 367         if (c->frequency < 150000000)
 368                 bs = 0x01;
 369         else if (c->frequency < 173000000)
 370                 bs = 0x01;
 371         else if (c->frequency < 250000000)
 372                 bs = 0x02;
 373         else if (c->frequency < 400000000)
 374                 bs = 0x02;
 375         else if (c->frequency < 420000000)
 376                 bs = 0x02;
 377         else if (c->frequency < 470000000)
 378                 bs = 0x02;
 379         else
 380                 bs = 0x08;
 381
 382         pllbuf[0] = 0x61;
 383         pllbuf[1] = div >> 8;
 384         pllbuf[2] = div & 0xff;
 385         pllbuf[3] = cp;
 386         pllbuf[4] = bs;
 387
 388         return 5;
 389 }
 390
 391 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
 392         .demod_address = 0x0f,
 393         .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
 394 };
 395
 396 static struct dst_config dst_config = {
 397         .demod_address = 0x55,
 398 };
 399
 400 static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 401 {
 402         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 403
 404         return request_firmware(fw, name, &bt->bt->dev->dev);
 405 }
 406
 407 static void or51211_setmode(struct dvb_frontend * fe, int mode)
 408 {
 409         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 410         bttv_write_gpio(bt->bttv_nr, 0x0002, mode);   /* Reset */
 411         msleep(20);
 412 }
 413
 414 static void or51211_reset(struct dvb_frontend * fe)
 415 {
 416         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 417
 418         /* RESET DEVICE
 419          * reset is controlled by GPIO-0
 420          * when set to 0 causes reset and when to 1 for normal op
 421          * must remain reset for 128 clock cycles on a 50Mhz clock
 422          * also PRM1 PRM2 & PRM4 are controlled by GPIO-1,GPIO-2 & GPIO-4
 423          * We assume that the reset has be held low long enough or we
 424          * have been reset by a power on.  When the driver is unloaded
 425          * reset set to 0 so if reloaded we have been reset.
 426          */
 427         /* reset & PRM1,2&4 are outputs */
 428         int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
 429         if (ret != 0)
 430                 pr_warn("or51211: Init Error - Can't Reset DVR (%i)\n", ret);
 431         bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
 432         msleep(20);
 433         /* Now set for normal operation */
 434         bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
 435         /* wait for operation to begin */
 436         msleep(500);
 437 }
 438
 439 static void or51211_sleep(struct dvb_frontend * fe)
 440 {
 441         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 442         bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
 443 }
 444
 445 static const struct or51211_config or51211_config = {
 446         .demod_address = 0x15,
 447         .request_firmware = or51211_request_firmware,
 448         .setmode = or51211_setmode,
 449         .reset = or51211_reset,
 450         .sleep = or51211_sleep,
 451 };
 452
 453 static int vp3021_alps_tded4_tuner_set_params(struct dvb_frontend *fe)
 454 {
 455         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 456         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 457         u8 buf[4];
 458         u32 div;
 459         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
 460
 461         div = (c->frequency + 36166667) / 166667;
 462
 463         buf[0] = (div >> 8) & 0x7F;
 464         buf[1] = div & 0xFF;
 465         buf[2] = 0x85;
 466         if ((c->frequency >= 47000000) && (c->frequency < 153000000))
 467                 buf[3] = 0x01;
 468         else if ((c->frequency >= 153000000) && (c->frequency < 430000000))
 469                 buf[3] = 0x02;
 470         else if ((c->frequency >= 430000000) && (c->frequency < 824000000))
 471                 buf[3] = 0x0C;
 472         else if ((c->frequency >= 824000000) && (c->frequency < 863000000))
 473                 buf[3] = 0x8C;
 474         else
 475                 return -EINVAL;
 476
 477         if (fe->ops.i2c_gate_ctrl)
 478                 fe->ops.i2c_gate_ctrl(fe, 1);
 479         i2c_transfer(card->i2c_adapter, &msg, 1);
 480         return 0;
 481 }
 482
 483 static struct nxt6000_config vp3021_alps_tded4_config = {
 484         .demod_address = 0x0a,
 485         .clock_inversion = 1,
 486 };
 487
 488 static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe)
 489 {
 490         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 491         static u8 mt352_reset [] = { 0x50, 0x80 };
 492         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 493         static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 };
 494         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 495
 496         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 497         udelay(2000);
 498         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 499         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 500         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 501         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 502
 503         return 0;
 504 }
 505
 506 static int digitv_alps_tded4_tuner_calc_regs(struct dvb_frontend *fe,  u8 *pllbuf, int buf_len)
 507 {
 508         u32 div;
 509         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 510
 511         if (buf_len < 5)
 512                 return -EINVAL;
 513
 514         div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 515
 516         pllbuf[0] = 0x61;
 517         pllbuf[1] = (div >> 8) & 0x7F;
 518         pllbuf[2] = div & 0xFF;
 519         pllbuf[3] = 0x85;
 520
 521         dprintk("frequency %u, div %u\n", c->frequency, div);
 522
 523         if (c->frequency < 470000000)
 524                 pllbuf[4] = 0x02;
 525         else if (c->frequency > 823000000)
 526                 pllbuf[4] = 0x88;
 527         else
 528                 pllbuf[4] = 0x08;
 529
 530         if (c->bandwidth_hz == 8000000)
 531                 pllbuf[4] |= 0x04;
 532
 533         return 5;
 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                 pr_warn("digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n",
 548                         ret);
 549
 550         /* Pulse the reset line */
 551         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 552         bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */
 553         msleep(100);
 554
 555         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 556 }
 557
 558 static struct mt352_config digitv_alps_tded4_config = {
 559         .demod_address = 0x0a,
 560         .demod_init = digitv_alps_tded4_demod_init,
 561 };
 562
 563 static struct lgdt330x_config tdvs_tua6034_config = {
 564         .demod_chip       = LGDT3303,
 565         .serial_mpeg      = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
 566 };
 567
 568 static void lgdt330x_reset(struct dvb_bt8xx_card *bt)
 569 {
 570         /* Set pin 27 of the lgdt3303 chip high to reset the frontend */
 571
 572         /* Pulse the reset line */
 573         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
 574         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000000); /* Low  */
 575         msleep(100);
 576
 577         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
 578         msleep(100);
 579 }
 580
 581 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 582 {
 583         struct dst_state* state = NULL;
 584
 585         switch(type) {
 586         case BTTV_BOARD_DVICO_DVBT_LITE:
 587                 card->fe = dvb_attach(mt352_attach, &thomson_dtt7579_config, card->i2c_adapter);
 588
 589                 if (card->fe == NULL)
 590                         card->fe = dvb_attach(zl10353_attach, &thomson_dtt7579_zl10353_config,
 591                                                   card->i2c_adapter);
 592
 593                 if (card->fe != NULL) {
 594                         card->fe->ops.tuner_ops.calc_regs = thomson_dtt7579_tuner_calc_regs;
 595                         card->fe->ops.info.frequency_min_hz = 174 * MHz;
 596                         card->fe->ops.info.frequency_max_hz = 862 * MHz;
 597                 }
 598                 break;
 599
 600         case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
 601                 lgdt330x_reset(card);
 602                 card->fe = dvb_attach(lgdt330x_attach, &tdvs_tua6034_config,
 603                                       0x0e, card->i2c_adapter);
 604                 if (card->fe != NULL) {
 605                         dvb_attach(simple_tuner_attach, card->fe,
 606                                    card->i2c_adapter, 0x61,
 607                                    TUNER_LG_TDVS_H06XF);
 608                         dprintk("dvb_bt8xx: lgdt330x detected\n");
 609                 }
 610                 break;
 611
 612         case BTTV_BOARD_NEBULA_DIGITV:
 613                 /*
 614                  * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);
 615                  * this would be a cleaner solution than trying each frontend in turn.
 616                  */
 617
 618                 /* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
 619                 digitv_alps_tded4_reset(card);
 620                 card->fe = dvb_attach(nxt6000_attach, &vp3021_alps_tded4_config, card->i2c_adapter);
 621                 if (card->fe != NULL) {
 622                         card->fe->ops.tuner_ops.set_params = vp3021_alps_tded4_tuner_set_params;
 623                         dprintk("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
 624                         break;
 625                 }
 626
 627                 /* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
 628                 digitv_alps_tded4_reset(card);
 629                 card->fe = dvb_attach(mt352_attach, &digitv_alps_tded4_config, card->i2c_adapter);
 630
 631                 if (card->fe != NULL) {
 632                         card->fe->ops.tuner_ops.calc_regs = digitv_alps_tded4_tuner_calc_regs;
 633                         dprintk("dvb_bt8xx: an mt352 was detected on your digitv card\n");
 634                 }
 635                 break;
 636
 637         case BTTV_BOARD_AVDVBT_761:
 638                 card->fe = dvb_attach(sp887x_attach, &microtune_mt7202dtf_config, card->i2c_adapter);
 639                 if (card->fe) {
 640                         card->fe->ops.tuner_ops.set_params = microtune_mt7202dtf_tuner_set_params;
 641                 }
 642                 break;
 643
 644         case BTTV_BOARD_AVDVBT_771:
 645                 card->fe = dvb_attach(mt352_attach, &advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
 646                 if (card->fe != NULL) {
 647                         card->fe->ops.tuner_ops.calc_regs = advbt771_samsung_tdtc9251dh0_tuner_calc_regs;
 648                         card->fe->ops.info.frequency_min_hz = 174 * MHz;
 649                         card->fe->ops.info.frequency_max_hz = 862 * MHz;
 650                 }
 651                 break;
 652
 653         case BTTV_BOARD_TWINHAN_DST:
 654                 /*      DST is not a frontend driver !!!                */
 655                 state = kmalloc(sizeof (struct dst_state), GFP_KERNEL);
 656                 if (!state) {
 657                         pr_err("No memory\n");
 658                         break;
 659                 }
 660                 /*      Setup the Card                                  */
 661                 state->config = &dst_config;
 662                 state->i2c = card->i2c_adapter;
 663                 state->bt = card->bt;
 664                 state->dst_ca = NULL;
 665                 /*      DST is not a frontend, attaching the ASIC       */
 666                 if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
 667                         pr_err("%s: Could not find a Twinhan DST\n", __func__);
 668                         kfree(state);
 669                         break;
 670                 }
 671                 /*      Attach other DST peripherals if any             */
 672                 /*      Conditional Access device                       */
 673                 card->fe = &state->frontend;
 674                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
 675                         dvb_attach(dst_ca_attach, state, &card->dvb_adapter);
 676                 break;
 677
 678         case BTTV_BOARD_PINNACLESAT:
 679                 card->fe = dvb_attach(cx24110_attach, &pctvsat_config, card->i2c_adapter);
 680                 if (card->fe) {
 681                         card->fe->ops.tuner_ops.init = pinnsat_tuner_init;
 682                         card->fe->ops.tuner_ops.sleep = pinnsat_tuner_sleep;
 683                         card->fe->ops.tuner_ops.set_params = cx24108_tuner_set_params;
 684                 }
 685                 break;
 686
 687         case BTTV_BOARD_PC_HDTV:
 688                 card->fe = dvb_attach(or51211_attach, &or51211_config, card->i2c_adapter);
 689                 if (card->fe != NULL)
 690                         dvb_attach(simple_tuner_attach, card->fe,
 691                                    card->i2c_adapter, 0x61,
 692                                    TUNER_PHILIPS_FCV1236D);
 693                 break;
 694         }
 695
 696         if (card->fe == NULL)
 697                 pr_err("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                         pr_err("Frontend registration failed!\n");
 705                         dvb_frontend_detach(card->fe);
 706                         card->fe = NULL;
 707                 }
 708 }
 709
 710 static int dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 711 {
 712         int result;
 713
 714         result = dvb_register_adapter(&card->dvb_adapter, card->card_name,
 715                                       THIS_MODULE, &card->bt->dev->dev,
 716                                       adapter_nr);
 717         if (result < 0) {
 718                 pr_err("dvb_register_adapter failed (errno = %d)\n", result);
 719                 return result;
 720         }
 721         card->dvb_adapter.priv = card;
 722
 723         card->bt->adapter = card->i2c_adapter;
 724
 725         memset(&card->demux, 0, sizeof(struct dvb_demux));
 726
 727         card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
 728
 729         card->demux.priv = card;
 730         card->demux.filternum = 256;
 731         card->demux.feednum = 256;
 732         card->demux.start_feed = dvb_bt8xx_start_feed;
 733         card->demux.stop_feed = dvb_bt8xx_stop_feed;
 734         card->demux.write_to_decoder = NULL;
 735
 736         result = dvb_dmx_init(&card->demux);
 737         if (result < 0) {
 738                 pr_err("dvb_dmx_init failed (errno = %d)\n", result);
 739                 goto err_unregister_adaptor;
 740         }
 741
 742         card->dmxdev.filternum = 256;
 743         card->dmxdev.demux = &card->demux.dmx;
 744         card->dmxdev.capabilities = 0;
 745
 746         result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter);
 747         if (result < 0) {
 748                 pr_err("dvb_dmxdev_init failed (errno = %d)\n", result);
 749                 goto err_dmx_release;
 750         }
 751
 752         card->fe_hw.source = DMX_FRONTEND_0;
 753
 754         result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw);
 755         if (result < 0) {
 756                 pr_err("dvb_dmx_init failed (errno = %d)\n", result);
 757                 goto err_dmxdev_release;
 758         }
 759
 760         card->fe_mem.source = DMX_MEMORY_FE;
 761
 762         result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem);
 763         if (result < 0) {
 764                 pr_err("dvb_dmx_init failed (errno = %d)\n", result);
 765                 goto err_remove_hw_frontend;
 766         }
 767
 768         result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw);
 769         if (result < 0) {
 770                 pr_err("dvb_dmx_init failed (errno = %d)\n", result);
 771                 goto err_remove_mem_frontend;
 772         }
 773
 774         result = dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
 775         if (result < 0) {
 776                 pr_err("dvb_net_init failed (errno = %d)\n", result);
 777                 goto err_disconnect_frontend;
 778         }
 779
 780         tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
 781
 782         frontend_init(card, type);
 783
 784         return 0;
 785
 786 err_disconnect_frontend:
 787         card->demux.dmx.disconnect_frontend(&card->demux.dmx);
 788 err_remove_mem_frontend:
 789         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 790 err_remove_hw_frontend:
 791         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 792 err_dmxdev_release:
 793         dvb_dmxdev_release(&card->dmxdev);
 794 err_dmx_release:
 795         dvb_dmx_release(&card->demux);
 796 err_unregister_adaptor:
 797         dvb_unregister_adapter(&card->dvb_adapter);
 798         return result;
 799 }
 800
 801 static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
 802 {
 803         struct dvb_bt8xx_card *card;
 804         struct pci_dev* bttv_pci_dev;
 805         int ret;
 806
 807         if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
 808                 return -ENOMEM;
 809
 810         mutex_init(&card->lock);
 811         card->bttv_nr = sub->core->nr;
 812         strscpy(card->card_name, sub->core->v4l2_dev.name,
 813                 sizeof(card->card_name));
 814         card->i2c_adapter = &sub->core->i2c_adap;
 815
 816         switch(sub->core->type) {
 817         case BTTV_BOARD_PINNACLESAT:
 818                 card->gpio_mode = 0x0400c060;
 819                 /* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
 820                               BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
 821                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 822                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 823                 break;
 824
 825         case BTTV_BOARD_DVICO_DVBT_LITE:
 826                 card->gpio_mode = 0x0400C060;
 827                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 828                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 829                 /* 26, 15, 14, 6, 5
 830                  * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
 831                  * DA_APP(parallel) */
 832                 break;
 833
 834         case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
 835                 card->gpio_mode = 0x0400c060;
 836                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 837                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 838                 break;
 839
 840         case BTTV_BOARD_NEBULA_DIGITV:
 841         case BTTV_BOARD_AVDVBT_761:
 842                 card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
 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 (high speed serial) */
 846                 break;
 847
 848         case BTTV_BOARD_AVDVBT_771: //case 0x07711461:
 849                 card->gpio_mode = 0x0400402B;
 850                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 851                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 852                 /* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
 853                 break;
 854
 855         case BTTV_BOARD_TWINHAN_DST:
 856                 card->gpio_mode = 0x2204f2c;
 857                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 858                 card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
 859                                        BT878_APPERR | BT878_AFBUS;
 860                 /* 25,21,14,11,10,9,8,3,2 then
 861                  * 0x33 = 5,4,1,0
 862                  * A_SEL=SML, DA_MLB, DA_SBR,
 863                  * DA_SDR=f, fifo trigger = 32 DWORDS
 864                  * IOM = 0 == audio A/D
 865                  * DPM = 0 == digital audio mode
 866                  * == async data parallel port
 867                  * then 0x33 (13 is set by start_capture)
 868                  * DA_APP = async data parallel port,
 869                  * ACAP_EN = 1,
 870                  * RISC+FIFO ENABLE */
 871                 break;
 872
 873         case BTTV_BOARD_PC_HDTV:
 874                 card->gpio_mode = 0x0100EC7B;
 875                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 876                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 877                 break;
 878
 879         default:
 880                 pr_err("Unknown bttv card type: %d\n", sub->core->type);
 881                 kfree(card);
 882                 return -ENODEV;
 883         }
 884
 885         dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
 886
 887         if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
 888                 pr_err("no pci device for card %d\n", card->bttv_nr);
 889                 kfree(card);
 890                 return -ENODEV;
 891         }
 892
 893         if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
 894                 pr_err("unable to determine DMA core of card %d,\n", card->bttv_nr);
 895                 pr_err("if you have the ALSA bt87x audio driver installed, try removing it.\n");
 896
 897                 kfree(card);
 898                 return -ENODEV;
 899         }
 900
 901         mutex_init(&card->bt->gpio_lock);
 902         card->bt->bttv_nr = sub->core->nr;
 903
 904         if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
 905                 kfree(card);
 906                 return ret;
 907         }
 908
 909         dev_set_drvdata(&sub->dev, card);
 910         return 0;
 911 }
 912
 913 static void dvb_bt8xx_remove(struct bttv_sub_device *sub)
 914 {
 915         struct dvb_bt8xx_card *card = dev_get_drvdata(&sub->dev);
 916
 917         dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
 918
 919         bt878_stop(card->bt);
 920         tasklet_kill(&card->bt->tasklet);
 921         dvb_net_release(&card->dvbnet);
 922         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 923         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 924         dvb_dmxdev_release(&card->dmxdev);
 925         dvb_dmx_release(&card->demux);
 926         if (card->fe) {
 927                 dvb_unregister_frontend(card->fe);
 928                 dvb_frontend_detach(card->fe);
 929         }
 930         dvb_unregister_adapter(&card->dvb_adapter);
 931
 932         kfree(card);
 933 }
 934
 935 static struct bttv_sub_driver driver = {
 936         .drv = {
 937                 .name           = "dvb-bt8xx",
 938         },
 939         .probe          = dvb_bt8xx_probe,
 940         .remove         = dvb_bt8xx_remove,
 941         /* FIXME:
 942          * .shutdown    = dvb_bt8xx_shutdown,
 943          * .suspend     = dvb_bt8xx_suspend,
 944          * .resume      = dvb_bt8xx_resume,
 945          */
 946 };
 947
 948 static int __init dvb_bt8xx_init(void)
 949 {
 950         return bttv_sub_register(&driver, "dvb");
 951 }
 952
 953 static void __exit dvb_bt8xx_exit(void)
 954 {
 955         bttv_sub_unregister(&driver);
 956 }
 957
 958 module_init(dvb_bt8xx_init);
 959 module_exit(dvb_bt8xx_exit);
 960
 961 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
 962 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
 963 MODULE_LICENSE("GPL");