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(struct tasklet_struct *t)
  43 {
  44         struct bt878 *bt = from_tasklet(bt, t, tasklet);
  45         struct dvb_bt8xx_card *card = dev_get_drvdata(&bt->adapter->dev);
  46
  47         dprintk("%d\n", card->bt->finished_block);
  48
  49         while (card->bt->last_block != card->bt->finished_block) {
  50                 (card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
  51                         (&card->demux,
  52                          &card->bt->buf_cpu[card->bt->last_block *
  53                                             card->bt->block_bytes],
  54                          card->bt->block_bytes);
  55                 card->bt->last_block = (card->bt->last_block + 1) %
  56                                         card->bt->block_count;
  57         }
  58 }
  59
  60 static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
  61 {
  62         struct dvb_demux*dvbdmx = dvbdmxfeed->demux;
  63         struct dvb_bt8xx_card *card = dvbdmx->priv;
  64         int rc;
  65
  66         dprintk("dvb_bt8xx: start_feed\n");
  67
  68         if (!dvbdmx->dmx.frontend)
  69                 return -EINVAL;
  70
  71         mutex_lock(&card->lock);
  72         card->nfeeds++;
  73         rc = card->nfeeds;
  74         if (card->nfeeds == 1)
  75                 bt878_start(card->bt, card->gpio_mode,
  76                             card->op_sync_orin, card->irq_err_ignore);
  77         mutex_unlock(&card->lock);
  78         return rc;
  79 }
  80
  81 static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
  82 {
  83         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
  84         struct dvb_bt8xx_card *card = dvbdmx->priv;
  85
  86         dprintk("dvb_bt8xx: stop_feed\n");
  87
  88         if (!dvbdmx->dmx.frontend)
  89                 return -EINVAL;
  90
  91         mutex_lock(&card->lock);
  92         card->nfeeds--;
  93         if (card->nfeeds == 0)
  94                 bt878_stop(card->bt);
  95         mutex_unlock(&card->lock);
  96
  97         return 0;
  98 }
  99
 100 static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev)
 101 {
 102         if ((adev->subsystem_vendor == bdev->subsystem_vendor) &&
 103                 (adev->subsystem_device == bdev->subsystem_device) &&
 104                 (adev->bus->number == bdev->bus->number) &&
 105                 (PCI_SLOT(adev->devfn) == PCI_SLOT(bdev->devfn)))
 106                 return 1;
 107         return 0;
 108 }
 109
 110 static struct bt878 *dvb_bt8xx_878_match(unsigned int bttv_nr,
 111                                          struct pci_dev* bttv_pci_dev)
 112 {
 113         unsigned int card_nr;
 114
 115         /* Hmm, n squared. Hope n is small */
 116         for (card_nr = 0; card_nr < bt878_num; card_nr++)
 117                 if (is_pci_slot_eq(bt878[card_nr].dev, bttv_pci_dev))
 118                         return &bt878[card_nr];
 119         return NULL;
 120 }
 121
 122 static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
 123 {
 124         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
 125         static u8 mt352_reset [] = { 0x50, 0x80 };
 126         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 127         static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
 128         static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
 129         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 130
 131         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 132         udelay(2000);
 133         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 134         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 135
 136         mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
 137         mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
 138         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 139
 140         return 0;
 141 }
 142
 143 static int thomson_dtt7579_tuner_calc_regs(struct dvb_frontend *fe, u8* pllbuf, int buf_len)
 144 {
 145         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 146         u32 div;
 147         unsigned char bs = 0;
 148         unsigned char cp = 0;
 149
 150         if (buf_len < 5)
 151                 return -EINVAL;
 152
 153         div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 154
 155         if (c->frequency < 542000000)
 156                 cp = 0xb4;
 157         else if (c->frequency < 771000000)
 158                 cp = 0xbc;
 159         else
 160                 cp = 0xf4;
 161
 162         if (c->frequency == 0)
 163                 bs = 0x03;
 164         else if (c->frequency < 443250000)
 165                 bs = 0x02;
 166         else
 167                 bs = 0x08;
 168
 169         pllbuf[0] = 0x60;
 170         pllbuf[1] = div >> 8;
 171         pllbuf[2] = div & 0xff;
 172         pllbuf[3] = cp;
 173         pllbuf[4] = bs;
 174
 175         return 5;
 176 }
 177
 178 static struct mt352_config thomson_dtt7579_config = {
 179         .demod_address = 0x0f,
 180         .demod_init = thomson_dtt7579_demod_init,
 181 };
 182
 183 static struct zl10353_config thomson_dtt7579_zl10353_config = {
 184         .demod_address = 0x0f,
 185 };
 186
 187 static int cx24108_tuner_set_params(struct dvb_frontend *fe)
 188 {
 189         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 190         u32 freq = c->frequency;
 191         int i, a, n, pump;
 192         u32 band, pll;
 193         u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
 194                 1576000,1718000,1856000,2036000,2150000};
 195         u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
 196                 0x00102000,0x00104000,0x00108000,0x00110000,
 197                 0x00120000,0x00140000};
 198
 199         #define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
 200         dprintk("cx24108 debug: entering SetTunerFreq, freq=%d\n", freq);
 201
 202         /* This is really the bit driving the tuner chip cx24108 */
 203
 204         if (freq<950000)
 205                 freq = 950000; /* kHz */
 206         else if (freq>2150000)
 207                 freq = 2150000; /* satellite IF is 950..2150MHz */
 208
 209         /* decide which VCO to use for the input frequency */
 210         for(i = 1; (i < ARRAY_SIZE(osci) - 1) && (osci[i] < freq); i++);
 211         dprintk("cx24108 debug: select vco #%d (f=%d)\n", i, freq);
 212         band=bandsel[i];
 213         /* the gain values must be set by SetSymbolrate */
 214         /* compute the pll divider needed, from Conexant data sheet,
 215            resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
 216            depending on the divider bit. It is set to /4 on the 2 lowest
 217            bands  */
 218         n=((i<=2?2:1)*freq*10L)/(XTAL/100);
 219         a=n%32; n/=32; if(a==0) n--;
 220         pump=(freq<(osci[i-1]+osci[i])/2);
 221         pll=0xf8000000|
 222             ((pump?1:2)<<(14+11))|
 223             ((n&0x1ff)<<(5+11))|
 224             ((a&0x1f)<<11);
 225         /* everything is shifted left 11 bits to left-align the bits in the
 226            32bit word. Output to the tuner goes MSB-aligned, after all */
 227         dprintk("cx24108 debug: pump=%d, n=%d, a=%d\n", pump, n, a);
 228         cx24110_pll_write(fe,band);
 229         /* set vga and vca to their widest-band settings, as a precaution.
 230            SetSymbolrate might not be called to set this up */
 231         cx24110_pll_write(fe,0x500c0000);
 232         cx24110_pll_write(fe,0x83f1f800);
 233         cx24110_pll_write(fe,pll);
 234         //writereg(client,0x56,0x7f);
 235
 236         return 0;
 237 }
 238
 239 static int pinnsat_tuner_init(struct dvb_frontend* fe)
 240 {
 241         struct dvb_bt8xx_card *card = fe->dvb->priv;
 242
 243         bttv_gpio_enable(card->bttv_nr, 1, 1);  /* output */
 244         bttv_write_gpio(card->bttv_nr, 1, 1);   /* relay on */
 245
 246         return 0;
 247 }
 248
 249 static int pinnsat_tuner_sleep(struct dvb_frontend* fe)
 250 {
 251         struct dvb_bt8xx_card *card = fe->dvb->priv;
 252
 253         bttv_write_gpio(card->bttv_nr, 1, 0);   /* relay off */
 254
 255         return 0;
 256 }
 257
 258 static struct cx24110_config pctvsat_config = {
 259         .demod_address = 0x55,
 260 };
 261
 262 static int microtune_mt7202dtf_tuner_set_params(struct dvb_frontend *fe)
 263 {
 264         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 265         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 266         u8 cfg, cpump, band_select;
 267         u8 data[4];
 268         u32 div;
 269         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
 270
 271         div = (36000000 + c->frequency + 83333) / 166666;
 272         cfg = 0x88;
 273
 274         if (c->frequency < 175000000)
 275                 cpump = 2;
 276         else if (c->frequency < 390000000)
 277                 cpump = 1;
 278         else if (c->frequency < 470000000)
 279                 cpump = 2;
 280         else if (c->frequency < 750000000)
 281                 cpump = 2;
 282         else
 283                 cpump = 3;
 284
 285         if (c->frequency < 175000000)
 286                 band_select = 0x0e;
 287         else if (c->frequency < 470000000)
 288                 band_select = 0x05;
 289         else
 290                 band_select = 0x03;
 291
 292         data[0] = (div >> 8) & 0x7f;
 293         data[1] = div & 0xff;
 294         data[2] = ((div >> 10) & 0x60) | cfg;
 295         data[3] = (cpump << 6) | band_select;
 296
 297         if (fe->ops.i2c_gate_ctrl)
 298                 fe->ops.i2c_gate_ctrl(fe, 1);
 299         i2c_transfer(card->i2c_adapter, &msg, 1);
 300         return (div * 166666 - 36000000);
 301 }
 302
 303 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 304 {
 305         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 306
 307         return reject_firmware(fw, name, &bt->bt->dev->dev);
 308 }
 309
 310 static const struct sp887x_config microtune_mt7202dtf_config = {
 311         .demod_address = 0x70,
 312         .request_firmware = microtune_mt7202dtf_request_firmware,
 313 };
 314
 315 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
 316 {
 317         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 318         static u8 mt352_reset [] = { 0x50, 0x80 };
 319         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 320         static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
 321                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
 322         static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
 323         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 324
 325         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 326         udelay(2000);
 327         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 328         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 329
 330         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 331         udelay(2000);
 332         mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
 333         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 334
 335         return 0;
 336 }
 337
 338 static int advbt771_samsung_tdtc9251dh0_tuner_calc_regs(struct dvb_frontend *fe, u8 *pllbuf, int buf_len)
 339 {
 340         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 341         u32 div;
 342         unsigned char bs = 0;
 343         unsigned char cp = 0;
 344
 345         if (buf_len < 5) return -EINVAL;
 346
 347         div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 348
 349         if (c->frequency < 150000000)
 350                 cp = 0xB4;
 351         else if (c->frequency < 173000000)
 352                 cp = 0xBC;
 353         else if (c->frequency < 250000000)
 354                 cp = 0xB4;
 355         else if (c->frequency < 400000000)
 356                 cp = 0xBC;
 357         else if (c->frequency < 420000000)
 358                 cp = 0xF4;
 359         else if (c->frequency < 470000000)
 360                 cp = 0xFC;
 361         else if (c->frequency < 600000000)
 362                 cp = 0xBC;
 363         else if (c->frequency < 730000000)
 364                 cp = 0xF4;
 365         else
 366                 cp = 0xFC;
 367
 368         if (c->frequency < 150000000)
 369                 bs = 0x01;
 370         else if (c->frequency < 173000000)
 371                 bs = 0x01;
 372         else if (c->frequency < 250000000)
 373                 bs = 0x02;
 374         else if (c->frequency < 400000000)
 375                 bs = 0x02;
 376         else if (c->frequency < 420000000)
 377                 bs = 0x02;
 378         else if (c->frequency < 470000000)
 379                 bs = 0x02;
 380         else
 381                 bs = 0x08;
 382
 383         pllbuf[0] = 0x61;
 384         pllbuf[1] = div >> 8;
 385         pllbuf[2] = div & 0xff;
 386         pllbuf[3] = cp;
 387         pllbuf[4] = bs;
 388
 389         return 5;
 390 }
 391
 392 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
 393         .demod_address = 0x0f,
 394         .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
 395 };
 396
 397 static const struct dst_config dst_config = {
 398         .demod_address = 0x55,
 399 };
 400
 401 static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 402 {
 403         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 404
 405         return reject_firmware(fw, name, &bt->bt->dev->dev);
 406 }
 407
 408 static void or51211_setmode(struct dvb_frontend * fe, int mode)
 409 {
 410         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 411         bttv_write_gpio(bt->bttv_nr, 0x0002, mode);   /* Reset */
 412         msleep(20);
 413 }
 414
 415 static void or51211_reset(struct dvb_frontend * fe)
 416 {
 417         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 418
 419         /* RESET DEVICE
 420          * reset is controlled by GPIO-0
 421          * when set to 0 causes reset and when to 1 for normal op
 422          * must remain reset for 128 clock cycles on a 50Mhz clock
 423          * also PRM1 PRM2 & PRM4 are controlled by GPIO-1,GPIO-2 & GPIO-4
 424          * We assume that the reset has be held low long enough or we
 425          * have been reset by a power on.  When the driver is unloaded
 426          * reset set to 0 so if reloaded we have been reset.
 427          */
 428         /* reset & PRM1,2&4 are outputs */
 429         int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
 430         if (ret != 0)
 431                 pr_warn("or51211: Init Error - Can't Reset DVR (%i)\n", ret);
 432         bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
 433         msleep(20);
 434         /* Now set for normal operation */
 435         bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
 436         /* wait for operation to begin */
 437         msleep(500);
 438 }
 439
 440 static void or51211_sleep(struct dvb_frontend * fe)
 441 {
 442         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 443         bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
 444 }
 445
 446 static const struct or51211_config or51211_config = {
 447         .demod_address = 0x15,
 448         .request_firmware = or51211_request_firmware,
 449         .setmode = or51211_setmode,
 450         .reset = or51211_reset,
 451         .sleep = or51211_sleep,
 452 };
 453
 454 static int vp3021_alps_tded4_tuner_set_params(struct dvb_frontend *fe)
 455 {
 456         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 457         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 458         u8 buf[4];
 459         u32 div;
 460         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
 461
 462         div = (c->frequency + 36166667) / 166667;
 463
 464         buf[0] = (div >> 8) & 0x7F;
 465         buf[1] = div & 0xFF;
 466         buf[2] = 0x85;
 467         if ((c->frequency >= 47000000) && (c->frequency < 153000000))
 468                 buf[3] = 0x01;
 469         else if ((c->frequency >= 153000000) && (c->frequency < 430000000))
 470                 buf[3] = 0x02;
 471         else if ((c->frequency >= 430000000) && (c->frequency < 824000000))
 472                 buf[3] = 0x0C;
 473         else if ((c->frequency >= 824000000) && (c->frequency < 863000000))
 474                 buf[3] = 0x8C;
 475         else
 476                 return -EINVAL;
 477
 478         if (fe->ops.i2c_gate_ctrl)
 479                 fe->ops.i2c_gate_ctrl(fe, 1);
 480         i2c_transfer(card->i2c_adapter, &msg, 1);
 481         return 0;
 482 }
 483
 484 static struct nxt6000_config vp3021_alps_tded4_config = {
 485         .demod_address = 0x0a,
 486         .clock_inversion = 1,
 487 };
 488
 489 static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe)
 490 {
 491         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 492         static u8 mt352_reset [] = { 0x50, 0x80 };
 493         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 494         static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 };
 495         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 496
 497         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 498         udelay(2000);
 499         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 500         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 501         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 502         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 503
 504         return 0;
 505 }
 506
 507 static int digitv_alps_tded4_tuner_calc_regs(struct dvb_frontend *fe,  u8 *pllbuf, int buf_len)
 508 {
 509         u32 div;
 510         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 511
 512         if (buf_len < 5)
 513                 return -EINVAL;
 514
 515         div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 516
 517         pllbuf[0] = 0x61;
 518         pllbuf[1] = (div >> 8) & 0x7F;
 519         pllbuf[2] = div & 0xFF;
 520         pllbuf[3] = 0x85;
 521
 522         dprintk("frequency %u, div %u\n", c->frequency, div);
 523
 524         if (c->frequency < 470000000)
 525                 pllbuf[4] = 0x02;
 526         else if (c->frequency > 823000000)
 527                 pllbuf[4] = 0x88;
 528         else
 529                 pllbuf[4] = 0x08;
 530
 531         if (c->bandwidth_hz == 8000000)
 532                 pllbuf[4] |= 0x04;
 533
 534         return 5;
 535 }
 536
 537 static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
 538 {
 539         /*
 540          * Reset the frontend, must be called before trying
 541          * to initialise the MT352 or mt352_attach
 542          * will fail. Same goes for the nxt6000 frontend.
 543          *
 544          */
 545
 546         int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
 547         if (ret != 0)
 548                 pr_warn("digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n",
 549                         ret);
 550
 551         /* Pulse the reset line */
 552         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 553         bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */
 554         msleep(100);
 555
 556         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 557 }
 558
 559 static struct mt352_config digitv_alps_tded4_config = {
 560         .demod_address = 0x0a,
 561         .demod_init = digitv_alps_tded4_demod_init,
 562 };
 563
 564 static struct lgdt330x_config tdvs_tua6034_config = {
 565         .demod_chip       = LGDT3303,
 566         .serial_mpeg      = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
 567 };
 568
 569 static void lgdt330x_reset(struct dvb_bt8xx_card *bt)
 570 {
 571         /* Set pin 27 of the lgdt3303 chip high to reset the frontend */
 572
 573         /* Pulse the reset line */
 574         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
 575         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000000); /* Low  */
 576         msleep(100);
 577
 578         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
 579         msleep(100);
 580 }
 581
 582 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 583 {
 584         struct dst_state* state = NULL;
 585
 586         switch(type) {
 587         case BTTV_BOARD_DVICO_DVBT_LITE:
 588                 card->fe = dvb_attach(mt352_attach, &thomson_dtt7579_config, card->i2c_adapter);
 589
 590                 if (card->fe == NULL)
 591                         card->fe = dvb_attach(zl10353_attach, &thomson_dtt7579_zl10353_config,
 592                                                   card->i2c_adapter);
 593
 594                 if (card->fe != NULL) {
 595                         card->fe->ops.tuner_ops.calc_regs = thomson_dtt7579_tuner_calc_regs;
 596                         card->fe->ops.info.frequency_min_hz = 174 * MHz;
 597                         card->fe->ops.info.frequency_max_hz = 862 * MHz;
 598                 }
 599                 break;
 600
 601         case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
 602                 lgdt330x_reset(card);
 603                 card->fe = dvb_attach(lgdt330x_attach, &tdvs_tua6034_config,
 604                                       0x0e, card->i2c_adapter);
 605                 if (card->fe != NULL) {
 606                         dvb_attach(simple_tuner_attach, card->fe,
 607                                    card->i2c_adapter, 0x61,
 608                                    TUNER_LG_TDVS_H06XF);
 609                         dprintk("dvb_bt8xx: lgdt330x detected\n");
 610                 }
 611                 break;
 612
 613         case BTTV_BOARD_NEBULA_DIGITV:
 614                 /*
 615                  * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);
 616                  * this would be a cleaner solution than trying each frontend in turn.
 617                  */
 618
 619                 /* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
 620                 digitv_alps_tded4_reset(card);
 621                 card->fe = dvb_attach(nxt6000_attach, &vp3021_alps_tded4_config, card->i2c_adapter);
 622                 if (card->fe != NULL) {
 623                         card->fe->ops.tuner_ops.set_params = vp3021_alps_tded4_tuner_set_params;
 624                         dprintk("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
 625                         break;
 626                 }
 627
 628                 /* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
 629                 digitv_alps_tded4_reset(card);
 630                 card->fe = dvb_attach(mt352_attach, &digitv_alps_tded4_config, card->i2c_adapter);
 631
 632                 if (card->fe != NULL) {
 633                         card->fe->ops.tuner_ops.calc_regs = digitv_alps_tded4_tuner_calc_regs;
 634                         dprintk("dvb_bt8xx: an mt352 was detected on your digitv card\n");
 635                 }
 636                 break;
 637
 638         case BTTV_BOARD_AVDVBT_761:
 639                 card->fe = dvb_attach(sp887x_attach, &microtune_mt7202dtf_config, card->i2c_adapter);
 640                 if (card->fe) {
 641                         card->fe->ops.tuner_ops.set_params = microtune_mt7202dtf_tuner_set_params;
 642                 }
 643                 break;
 644
 645         case BTTV_BOARD_AVDVBT_771:
 646                 card->fe = dvb_attach(mt352_attach, &advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
 647                 if (card->fe != NULL) {
 648                         card->fe->ops.tuner_ops.calc_regs = advbt771_samsung_tdtc9251dh0_tuner_calc_regs;
 649                         card->fe->ops.info.frequency_min_hz = 174 * MHz;
 650                         card->fe->ops.info.frequency_max_hz = 862 * MHz;
 651                 }
 652                 break;
 653
 654         case BTTV_BOARD_TWINHAN_DST:
 655                 /*      DST is not a frontend driver !!!                */
 656                 state = kmalloc(sizeof (struct dst_state), GFP_KERNEL);
 657                 if (!state) {
 658                         pr_err("No memory\n");
 659                         break;
 660                 }
 661                 /*      Setup the Card                                  */
 662                 state->config = &dst_config;
 663                 state->i2c = card->i2c_adapter;
 664                 state->bt = card->bt;
 665                 state->dst_ca = NULL;
 666                 /*      DST is not a frontend, attaching the ASIC       */
 667                 if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
 668                         pr_err("%s: Could not find a Twinhan DST\n", __func__);
 669                         kfree(state);
 670                         break;
 671                 }
 672                 /*      Attach other DST peripherals if any             */
 673                 /*      Conditional Access device                       */
 674                 card->fe = &state->frontend;
 675                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
 676                         dvb_attach(dst_ca_attach, state, &card->dvb_adapter);
 677                 break;
 678
 679         case BTTV_BOARD_PINNACLESAT:
 680                 card->fe = dvb_attach(cx24110_attach, &pctvsat_config, card->i2c_adapter);
 681                 if (card->fe) {
 682                         card->fe->ops.tuner_ops.init = pinnsat_tuner_init;
 683                         card->fe->ops.tuner_ops.sleep = pinnsat_tuner_sleep;
 684                         card->fe->ops.tuner_ops.set_params = cx24108_tuner_set_params;
 685                 }
 686                 break;
 687
 688         case BTTV_BOARD_PC_HDTV:
 689                 card->fe = dvb_attach(or51211_attach, &or51211_config, card->i2c_adapter);
 690                 if (card->fe != NULL)
 691                         dvb_attach(simple_tuner_attach, card->fe,
 692                                    card->i2c_adapter, 0x61,
 693                                    TUNER_PHILIPS_FCV1236D);
 694                 break;
 695         }
 696
 697         if (card->fe == NULL)
 698                 pr_err("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                         pr_err("Frontend registration failed!\n");
 706                         dvb_frontend_detach(card->fe);
 707                         card->fe = NULL;
 708                 }
 709 }
 710
 711 static int dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 712 {
 713         int result;
 714
 715         result = dvb_register_adapter(&card->dvb_adapter, card->card_name,
 716                                       THIS_MODULE, &card->bt->dev->dev,
 717                                       adapter_nr);
 718         if (result < 0) {
 719                 pr_err("dvb_register_adapter failed (errno = %d)\n", result);
 720                 return result;
 721         }
 722         card->dvb_adapter.priv = card;
 723
 724         card->bt->adapter = card->i2c_adapter;
 725
 726         memset(&card->demux, 0, sizeof(struct dvb_demux));
 727
 728         card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
 729
 730         card->demux.priv = card;
 731         card->demux.filternum = 256;
 732         card->demux.feednum = 256;
 733         card->demux.start_feed = dvb_bt8xx_start_feed;
 734         card->demux.stop_feed = dvb_bt8xx_stop_feed;
 735         card->demux.write_to_decoder = NULL;
 736
 737         result = dvb_dmx_init(&card->demux);
 738         if (result < 0) {
 739                 pr_err("dvb_dmx_init failed (errno = %d)\n", result);
 740                 goto err_unregister_adaptor;
 741         }
 742
 743         card->dmxdev.filternum = 256;
 744         card->dmxdev.demux = &card->demux.dmx;
 745         card->dmxdev.capabilities = 0;
 746
 747         result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter);
 748         if (result < 0) {
 749                 pr_err("dvb_dmxdev_init failed (errno = %d)\n", result);
 750                 goto err_dmx_release;
 751         }
 752
 753         card->fe_hw.source = DMX_FRONTEND_0;
 754
 755         result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw);
 756         if (result < 0) {
 757                 pr_err("dvb_dmx_init failed (errno = %d)\n", result);
 758                 goto err_dmxdev_release;
 759         }
 760
 761         card->fe_mem.source = DMX_MEMORY_FE;
 762
 763         result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem);
 764         if (result < 0) {
 765                 pr_err("dvb_dmx_init failed (errno = %d)\n", result);
 766                 goto err_remove_hw_frontend;
 767         }
 768
 769         result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw);
 770         if (result < 0) {
 771                 pr_err("dvb_dmx_init failed (errno = %d)\n", result);
 772                 goto err_remove_mem_frontend;
 773         }
 774
 775         result = dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
 776         if (result < 0) {
 777                 pr_err("dvb_net_init failed (errno = %d)\n", result);
 778                 goto err_disconnect_frontend;
 779         }
 780
 781         tasklet_setup(&card->bt->tasklet, dvb_bt8xx_task);
 782
 783         frontend_init(card, type);
 784
 785         return 0;
 786
 787 err_disconnect_frontend:
 788         card->demux.dmx.disconnect_frontend(&card->demux.dmx);
 789 err_remove_mem_frontend:
 790         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 791 err_remove_hw_frontend:
 792         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 793 err_dmxdev_release:
 794         dvb_dmxdev_release(&card->dmxdev);
 795 err_dmx_release:
 796         dvb_dmx_release(&card->demux);
 797 err_unregister_adaptor:
 798         dvb_unregister_adapter(&card->dvb_adapter);
 799         return result;
 800 }
 801
 802 static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
 803 {
 804         struct dvb_bt8xx_card *card;
 805         struct pci_dev* bttv_pci_dev;
 806         int ret;
 807
 808         if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
 809                 return -ENOMEM;
 810
 811         mutex_init(&card->lock);
 812         card->bttv_nr = sub->core->nr;
 813         strscpy(card->card_name, sub->core->v4l2_dev.name,
 814                 sizeof(card->card_name));
 815         card->i2c_adapter = &sub->core->i2c_adap;
 816
 817         switch(sub->core->type) {
 818         case BTTV_BOARD_PINNACLESAT:
 819                 card->gpio_mode = 0x0400c060;
 820                 /* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
 821                               BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
 822                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 823                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 824                 break;
 825
 826         case BTTV_BOARD_DVICO_DVBT_LITE:
 827                 card->gpio_mode = 0x0400C060;
 828                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 829                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 830                 /* 26, 15, 14, 6, 5
 831                  * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
 832                  * DA_APP(parallel) */
 833                 break;
 834
 835         case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
 836                 card->gpio_mode = 0x0400c060;
 837                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 838                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 839                 break;
 840
 841         case BTTV_BOARD_NEBULA_DIGITV:
 842         case BTTV_BOARD_AVDVBT_761:
 843                 card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
 844                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 845                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 846                 /* A_PWRDN DA_SBR DA_APP (high speed serial) */
 847                 break;
 848
 849         case BTTV_BOARD_AVDVBT_771: //case 0x07711461:
 850                 card->gpio_mode = 0x0400402B;
 851                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 852                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 853                 /* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
 854                 break;
 855
 856         case BTTV_BOARD_TWINHAN_DST:
 857                 card->gpio_mode = 0x2204f2c;
 858                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 859                 card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
 860                                        BT878_APPERR | BT878_AFBUS;
 861                 /* 25,21,14,11,10,9,8,3,2 then
 862                  * 0x33 = 5,4,1,0
 863                  * A_SEL=SML, DA_MLB, DA_SBR,
 864                  * DA_SDR=f, fifo trigger = 32 DWORDS
 865                  * IOM = 0 == audio A/D
 866                  * DPM = 0 == digital audio mode
 867                  * == async data parallel port
 868                  * then 0x33 (13 is set by start_capture)
 869                  * DA_APP = async data parallel port,
 870                  * ACAP_EN = 1,
 871                  * RISC+FIFO ENABLE */
 872                 break;
 873
 874         case BTTV_BOARD_PC_HDTV:
 875                 card->gpio_mode = 0x0100EC7B;
 876                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 877                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 878                 break;
 879
 880         default:
 881                 pr_err("Unknown bttv card type: %d\n", sub->core->type);
 882                 kfree(card);
 883                 return -ENODEV;
 884         }
 885
 886         dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
 887
 888         if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
 889                 pr_err("no pci device for card %d\n", card->bttv_nr);
 890                 kfree(card);
 891                 return -ENODEV;
 892         }
 893
 894         if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
 895                 pr_err("unable to determine DMA core of card %d,\n", card->bttv_nr);
 896                 pr_err("if you have the ALSA bt87x audio driver installed, try removing it.\n");
 897
 898                 kfree(card);
 899                 return -ENODEV;
 900         }
 901
 902         mutex_init(&card->bt->gpio_lock);
 903         card->bt->bttv_nr = sub->core->nr;
 904
 905         if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
 906                 kfree(card);
 907                 return ret;
 908         }
 909
 910         dev_set_drvdata(&sub->dev, card);
 911         return 0;
 912 }
 913
 914 static void dvb_bt8xx_remove(struct bttv_sub_device *sub)
 915 {
 916         struct dvb_bt8xx_card *card = dev_get_drvdata(&sub->dev);
 917
 918         dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
 919
 920         bt878_stop(card->bt);
 921         tasklet_kill(&card->bt->tasklet);
 922         dvb_net_release(&card->dvbnet);
 923         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 924         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 925         dvb_dmxdev_release(&card->dmxdev);
 926         dvb_dmx_release(&card->demux);
 927         if (card->fe) {
 928                 dvb_unregister_frontend(card->fe);
 929                 dvb_frontend_detach(card->fe);
 930         }
 931         dvb_unregister_adapter(&card->dvb_adapter);
 932
 933         kfree(card);
 934 }
 935
 936 static struct bttv_sub_driver driver = {
 937         .drv = {
 938                 .name           = "dvb-bt8xx",
 939         },
 940         .probe          = dvb_bt8xx_probe,
 941         .remove         = dvb_bt8xx_remove,
 942         /* FIXME:
 943          * .shutdown    = dvb_bt8xx_shutdown,
 944          * .suspend     = dvb_bt8xx_suspend,
 945          * .resume      = dvb_bt8xx_resume,
 946          */
 947 };
 948
 949 static int __init dvb_bt8xx_init(void)
 950 {
 951         return bttv_sub_register(&driver, "dvb");
 952 }
 953
 954 static void __exit dvb_bt8xx_exit(void)
 955 {
 956         bttv_sub_unregister(&driver);
 957 }
 958
 959 module_init(dvb_bt8xx_init);
 960 module_exit(dvb_bt8xx_exit);
 961
 962 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
 963 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
 964 MODULE_LICENSE("GPL");