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         static const u32 osci[] = {
 194                 950000, 1019000, 1075000, 1178000, 1296000, 1432000,
 195                 1576000, 1718000, 1856000, 2036000, 2150000
 196         };
 197         static const u32 bandsel[] = {
 198                 0, 0x00020000, 0x00040000, 0x00100800, 0x00101000,
 199                 0x00102000, 0x00104000, 0x00108000, 0x00110000,
 200                 0x00120000, 0x00140000
 201         };
 202
 203         #define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
 204         dprintk("cx24108 debug: entering SetTunerFreq, freq=%d\n", freq);
 205
 206         /* This is really the bit driving the tuner chip cx24108 */
 207
 208         if (freq<950000)
 209                 freq = 950000; /* kHz */
 210         else if (freq>2150000)
 211                 freq = 2150000; /* satellite IF is 950..2150MHz */
 212
 213         /* decide which VCO to use for the input frequency */
 214         for(i = 1; (i < ARRAY_SIZE(osci) - 1) && (osci[i] < freq); i++);
 215         dprintk("cx24108 debug: select vco #%d (f=%d)\n", i, freq);
 216         band=bandsel[i];
 217         /* the gain values must be set by SetSymbolrate */
 218         /* compute the pll divider needed, from Conexant data sheet,
 219            resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4,
 220            depending on the divider bit. It is set to /4 on the 2 lowest
 221            bands  */
 222         n=((i<=2?2:1)*freq*10L)/(XTAL/100);
 223         a=n%32; n/=32; if(a==0) n--;
 224         pump=(freq<(osci[i-1]+osci[i])/2);
 225         pll=0xf8000000|
 226             ((pump?1:2)<<(14+11))|
 227             ((n&0x1ff)<<(5+11))|
 228             ((a&0x1f)<<11);
 229         /* everything is shifted left 11 bits to left-align the bits in the
 230            32bit word. Output to the tuner goes MSB-aligned, after all */
 231         dprintk("cx24108 debug: pump=%d, n=%d, a=%d\n", pump, n, a);
 232         cx24110_pll_write(fe,band);
 233         /* set vga and vca to their widest-band settings, as a precaution.
 234            SetSymbolrate might not be called to set this up */
 235         cx24110_pll_write(fe,0x500c0000);
 236         cx24110_pll_write(fe,0x83f1f800);
 237         cx24110_pll_write(fe,pll);
 238         //writereg(client,0x56,0x7f);
 239
 240         return 0;
 241 }
 242
 243 static int pinnsat_tuner_init(struct dvb_frontend* fe)
 244 {
 245         struct dvb_bt8xx_card *card = fe->dvb->priv;
 246
 247         bttv_gpio_enable(card->bttv_nr, 1, 1);  /* output */
 248         bttv_write_gpio(card->bttv_nr, 1, 1);   /* relay on */
 249
 250         return 0;
 251 }
 252
 253 static int pinnsat_tuner_sleep(struct dvb_frontend* fe)
 254 {
 255         struct dvb_bt8xx_card *card = fe->dvb->priv;
 256
 257         bttv_write_gpio(card->bttv_nr, 1, 0);   /* relay off */
 258
 259         return 0;
 260 }
 261
 262 static struct cx24110_config pctvsat_config = {
 263         .demod_address = 0x55,
 264 };
 265
 266 static int microtune_mt7202dtf_tuner_set_params(struct dvb_frontend *fe)
 267 {
 268         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 269         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 270         u8 cfg, cpump, band_select;
 271         u8 data[4];
 272         u32 div;
 273         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
 274
 275         div = (36000000 + c->frequency + 83333) / 166666;
 276         cfg = 0x88;
 277
 278         if (c->frequency < 175000000)
 279                 cpump = 2;
 280         else if (c->frequency < 390000000)
 281                 cpump = 1;
 282         else if (c->frequency < 470000000)
 283                 cpump = 2;
 284         else if (c->frequency < 750000000)
 285                 cpump = 2;
 286         else
 287                 cpump = 3;
 288
 289         if (c->frequency < 175000000)
 290                 band_select = 0x0e;
 291         else if (c->frequency < 470000000)
 292                 band_select = 0x05;
 293         else
 294                 band_select = 0x03;
 295
 296         data[0] = (div >> 8) & 0x7f;
 297         data[1] = div & 0xff;
 298         data[2] = ((div >> 10) & 0x60) | cfg;
 299         data[3] = (cpump << 6) | band_select;
 300
 301         if (fe->ops.i2c_gate_ctrl)
 302                 fe->ops.i2c_gate_ctrl(fe, 1);
 303         i2c_transfer(card->i2c_adapter, &msg, 1);
 304         return (div * 166666 - 36000000);
 305 }
 306
 307 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 308 {
 309         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 310
 311         return request_firmware(fw, name, &bt->bt->dev->dev);
 312 }
 313
 314 static const struct sp887x_config microtune_mt7202dtf_config = {
 315         .demod_address = 0x70,
 316         .request_firmware = microtune_mt7202dtf_request_firmware,
 317 };
 318
 319 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
 320 {
 321         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 322         static u8 mt352_reset [] = { 0x50, 0x80 };
 323         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 324         static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
 325                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
 326         static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
 327         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 328
 329         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 330         udelay(2000);
 331         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 332         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 333
 334         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 335         udelay(2000);
 336         mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
 337         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 338
 339         return 0;
 340 }
 341
 342 static int advbt771_samsung_tdtc9251dh0_tuner_calc_regs(struct dvb_frontend *fe, u8 *pllbuf, int buf_len)
 343 {
 344         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 345         u32 div;
 346         unsigned char bs = 0;
 347         unsigned char cp = 0;
 348
 349         if (buf_len < 5) return -EINVAL;
 350
 351         div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 352
 353         if (c->frequency < 150000000)
 354                 cp = 0xB4;
 355         else if (c->frequency < 173000000)
 356                 cp = 0xBC;
 357         else if (c->frequency < 250000000)
 358                 cp = 0xB4;
 359         else if (c->frequency < 400000000)
 360                 cp = 0xBC;
 361         else if (c->frequency < 420000000)
 362                 cp = 0xF4;
 363         else if (c->frequency < 470000000)
 364                 cp = 0xFC;
 365         else if (c->frequency < 600000000)
 366                 cp = 0xBC;
 367         else if (c->frequency < 730000000)
 368                 cp = 0xF4;
 369         else
 370                 cp = 0xFC;
 371
 372         if (c->frequency < 150000000)
 373                 bs = 0x01;
 374         else if (c->frequency < 173000000)
 375                 bs = 0x01;
 376         else if (c->frequency < 250000000)
 377                 bs = 0x02;
 378         else if (c->frequency < 400000000)
 379                 bs = 0x02;
 380         else if (c->frequency < 420000000)
 381                 bs = 0x02;
 382         else if (c->frequency < 470000000)
 383                 bs = 0x02;
 384         else
 385                 bs = 0x08;
 386
 387         pllbuf[0] = 0x61;
 388         pllbuf[1] = div >> 8;
 389         pllbuf[2] = div & 0xff;
 390         pllbuf[3] = cp;
 391         pllbuf[4] = bs;
 392
 393         return 5;
 394 }
 395
 396 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
 397         .demod_address = 0x0f,
 398         .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
 399 };
 400
 401 static const 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 controlled 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 controlled 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                 pr_warn("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 const 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_tuner_set_params(struct dvb_frontend *fe)
 459 {
 460         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 461         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 462         u8 buf[4];
 463         u32 div;
 464         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
 465
 466         div = (c->frequency + 36166667) / 166667;
 467
 468         buf[0] = (div >> 8) & 0x7F;
 469         buf[1] = div & 0xFF;
 470         buf[2] = 0x85;
 471         if ((c->frequency >= 47000000) && (c->frequency < 153000000))
 472                 buf[3] = 0x01;
 473         else if ((c->frequency >= 153000000) && (c->frequency < 430000000))
 474                 buf[3] = 0x02;
 475         else if ((c->frequency >= 430000000) && (c->frequency < 824000000))
 476                 buf[3] = 0x0C;
 477         else if ((c->frequency >= 824000000) && (c->frequency < 863000000))
 478                 buf[3] = 0x8C;
 479         else
 480                 return -EINVAL;
 481
 482         if (fe->ops.i2c_gate_ctrl)
 483                 fe->ops.i2c_gate_ctrl(fe, 1);
 484         i2c_transfer(card->i2c_adapter, &msg, 1);
 485         return 0;
 486 }
 487
 488 static struct nxt6000_config vp3021_alps_tded4_config = {
 489         .demod_address = 0x0a,
 490         .clock_inversion = 1,
 491 };
 492
 493 static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe)
 494 {
 495         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 496         static u8 mt352_reset [] = { 0x50, 0x80 };
 497         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 498         static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 };
 499         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 500
 501         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 502         udelay(2000);
 503         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 504         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 505         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 506         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 507
 508         return 0;
 509 }
 510
 511 static int digitv_alps_tded4_tuner_calc_regs(struct dvb_frontend *fe,  u8 *pllbuf, int buf_len)
 512 {
 513         u32 div;
 514         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 515
 516         if (buf_len < 5)
 517                 return -EINVAL;
 518
 519         div = (((c->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 520
 521         pllbuf[0] = 0x61;
 522         pllbuf[1] = (div >> 8) & 0x7F;
 523         pllbuf[2] = div & 0xFF;
 524         pllbuf[3] = 0x85;
 525
 526         dprintk("frequency %u, div %u\n", c->frequency, div);
 527
 528         if (c->frequency < 470000000)
 529                 pllbuf[4] = 0x02;
 530         else if (c->frequency > 823000000)
 531                 pllbuf[4] = 0x88;
 532         else
 533                 pllbuf[4] = 0x08;
 534
 535         if (c->bandwidth_hz == 8000000)
 536                 pllbuf[4] |= 0x04;
 537
 538         return 5;
 539 }
 540
 541 static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
 542 {
 543         /*
 544          * Reset the frontend, must be called before trying
 545          * to initialise the MT352 or mt352_attach
 546          * will fail. Same goes for the nxt6000 frontend.
 547          *
 548          */
 549
 550         int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
 551         if (ret != 0)
 552                 pr_warn("digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n",
 553                         ret);
 554
 555         /* Pulse the reset line */
 556         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 557         bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */
 558         msleep(100);
 559
 560         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 561 }
 562
 563 static struct mt352_config digitv_alps_tded4_config = {
 564         .demod_address = 0x0a,
 565         .demod_init = digitv_alps_tded4_demod_init,
 566 };
 567
 568 static struct lgdt330x_config tdvs_tua6034_config = {
 569         .demod_chip       = LGDT3303,
 570         .serial_mpeg      = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
 571 };
 572
 573 static void lgdt330x_reset(struct dvb_bt8xx_card *bt)
 574 {
 575         /* Set pin 27 of the lgdt3303 chip high to reset the frontend */
 576
 577         /* Pulse the reset line */
 578         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
 579         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000000); /* Low  */
 580         msleep(100);
 581
 582         bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */
 583         msleep(100);
 584 }
 585
 586 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 587 {
 588         struct dst_state* state = NULL;
 589
 590         switch(type) {
 591         case BTTV_BOARD_DVICO_DVBT_LITE:
 592                 card->fe = dvb_attach(mt352_attach, &thomson_dtt7579_config, card->i2c_adapter);
 593
 594                 if (card->fe == NULL)
 595                         card->fe = dvb_attach(zl10353_attach, &thomson_dtt7579_zl10353_config,
 596                                                   card->i2c_adapter);
 597
 598                 if (card->fe != NULL) {
 599                         card->fe->ops.tuner_ops.calc_regs = thomson_dtt7579_tuner_calc_regs;
 600                         card->fe->ops.info.frequency_min_hz = 174 * MHz;
 601                         card->fe->ops.info.frequency_max_hz = 862 * MHz;
 602                 }
 603                 break;
 604
 605         case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
 606                 lgdt330x_reset(card);
 607                 card->fe = dvb_attach(lgdt330x_attach, &tdvs_tua6034_config,
 608                                       0x0e, card->i2c_adapter);
 609                 if (card->fe != NULL) {
 610                         dvb_attach(simple_tuner_attach, card->fe,
 611                                    card->i2c_adapter, 0x61,
 612                                    TUNER_LG_TDVS_H06XF);
 613                         dprintk("dvb_bt8xx: lgdt330x detected\n");
 614                 }
 615                 break;
 616
 617         case BTTV_BOARD_NEBULA_DIGITV:
 618                 /*
 619                  * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);
 620                  * this would be a cleaner solution than trying each frontend in turn.
 621                  */
 622
 623                 /* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
 624                 digitv_alps_tded4_reset(card);
 625                 card->fe = dvb_attach(nxt6000_attach, &vp3021_alps_tded4_config, card->i2c_adapter);
 626                 if (card->fe != NULL) {
 627                         card->fe->ops.tuner_ops.set_params = vp3021_alps_tded4_tuner_set_params;
 628                         dprintk("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
 629                         break;
 630                 }
 631
 632                 /* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
 633                 digitv_alps_tded4_reset(card);
 634                 card->fe = dvb_attach(mt352_attach, &digitv_alps_tded4_config, card->i2c_adapter);
 635
 636                 if (card->fe != NULL) {
 637                         card->fe->ops.tuner_ops.calc_regs = digitv_alps_tded4_tuner_calc_regs;
 638                         dprintk("dvb_bt8xx: an mt352 was detected on your digitv card\n");
 639                 }
 640                 break;
 641
 642         case BTTV_BOARD_AVDVBT_761:
 643                 card->fe = dvb_attach(sp887x_attach, &microtune_mt7202dtf_config, card->i2c_adapter);
 644                 if (card->fe) {
 645                         card->fe->ops.tuner_ops.set_params = microtune_mt7202dtf_tuner_set_params;
 646                 }
 647                 break;
 648
 649         case BTTV_BOARD_AVDVBT_771:
 650                 card->fe = dvb_attach(mt352_attach, &advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
 651                 if (card->fe != NULL) {
 652                         card->fe->ops.tuner_ops.calc_regs = advbt771_samsung_tdtc9251dh0_tuner_calc_regs;
 653                         card->fe->ops.info.frequency_min_hz = 174 * MHz;
 654                         card->fe->ops.info.frequency_max_hz = 862 * MHz;
 655                 }
 656                 break;
 657
 658         case BTTV_BOARD_TWINHAN_DST:
 659                 /*      DST is not a frontend driver !!!                */
 660                 state = kmalloc(sizeof (struct dst_state), GFP_KERNEL);
 661                 if (!state) {
 662                         pr_err("No memory\n");
 663                         break;
 664                 }
 665                 /*      Setup the Card                                  */
 666                 state->config = &dst_config;
 667                 state->i2c = card->i2c_adapter;
 668                 state->bt = card->bt;
 669                 state->dst_ca = NULL;
 670                 /*      DST is not a frontend, attaching the ASIC       */
 671                 if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
 672                         pr_err("%s: Could not find a Twinhan DST\n", __func__);
 673                         kfree(state);
 674                         break;
 675                 }
 676                 /*      Attach other DST peripherals if any             */
 677                 /*      Conditional Access device                       */
 678                 card->fe = &state->frontend;
 679                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
 680                         dvb_attach(dst_ca_attach, state, &card->dvb_adapter);
 681                 break;
 682
 683         case BTTV_BOARD_PINNACLESAT:
 684                 card->fe = dvb_attach(cx24110_attach, &pctvsat_config, card->i2c_adapter);
 685                 if (card->fe) {
 686                         card->fe->ops.tuner_ops.init = pinnsat_tuner_init;
 687                         card->fe->ops.tuner_ops.sleep = pinnsat_tuner_sleep;
 688                         card->fe->ops.tuner_ops.set_params = cx24108_tuner_set_params;
 689                 }
 690                 break;
 691
 692         case BTTV_BOARD_PC_HDTV:
 693                 card->fe = dvb_attach(or51211_attach, &or51211_config, card->i2c_adapter);
 694                 if (card->fe != NULL)
 695                         dvb_attach(simple_tuner_attach, card->fe,
 696                                    card->i2c_adapter, 0x61,
 697                                    TUNER_PHILIPS_FCV1236D);
 698                 break;
 699         }
 700
 701         if (card->fe == NULL)
 702                 pr_err("A frontend driver was not found for device [%04x:%04x] subsystem [%04x:%04x]\n",
 703                        card->bt->dev->vendor,
 704                        card->bt->dev->device,
 705                        card->bt->dev->subsystem_vendor,
 706                        card->bt->dev->subsystem_device);
 707         else
 708                 if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {
 709                         pr_err("Frontend registration failed!\n");
 710                         dvb_frontend_detach(card->fe);
 711                         card->fe = NULL;
 712                 }
 713 }
 714
 715 static int dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 716 {
 717         int result;
 718
 719         result = dvb_register_adapter(&card->dvb_adapter, card->card_name,
 720                                       THIS_MODULE, &card->bt->dev->dev,
 721                                       adapter_nr);
 722         if (result < 0) {
 723                 pr_err("dvb_register_adapter failed (errno = %d)\n", result);
 724                 return result;
 725         }
 726         card->dvb_adapter.priv = card;
 727
 728         card->bt->adapter = card->i2c_adapter;
 729
 730         memset(&card->demux, 0, sizeof(struct dvb_demux));
 731
 732         card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
 733
 734         card->demux.priv = card;
 735         card->demux.filternum = 256;
 736         card->demux.feednum = 256;
 737         card->demux.start_feed = dvb_bt8xx_start_feed;
 738         card->demux.stop_feed = dvb_bt8xx_stop_feed;
 739         card->demux.write_to_decoder = NULL;
 740
 741         result = dvb_dmx_init(&card->demux);
 742         if (result < 0) {
 743                 pr_err("dvb_dmx_init failed (errno = %d)\n", result);
 744                 goto err_unregister_adaptor;
 745         }
 746
 747         card->dmxdev.filternum = 256;
 748         card->dmxdev.demux = &card->demux.dmx;
 749         card->dmxdev.capabilities = 0;
 750
 751         result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter);
 752         if (result < 0) {
 753                 pr_err("dvb_dmxdev_init failed (errno = %d)\n", result);
 754                 goto err_dmx_release;
 755         }
 756
 757         card->fe_hw.source = DMX_FRONTEND_0;
 758
 759         result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw);
 760         if (result < 0) {
 761                 pr_err("dvb_dmx_init failed (errno = %d)\n", result);
 762                 goto err_dmxdev_release;
 763         }
 764
 765         card->fe_mem.source = DMX_MEMORY_FE;
 766
 767         result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem);
 768         if (result < 0) {
 769                 pr_err("dvb_dmx_init failed (errno = %d)\n", result);
 770                 goto err_remove_hw_frontend;
 771         }
 772
 773         result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw);
 774         if (result < 0) {
 775                 pr_err("dvb_dmx_init failed (errno = %d)\n", result);
 776                 goto err_remove_mem_frontend;
 777         }
 778
 779         result = dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
 780         if (result < 0) {
 781                 pr_err("dvb_net_init failed (errno = %d)\n", result);
 782                 goto err_disconnect_frontend;
 783         }
 784
 785         tasklet_setup(&card->bt->tasklet, dvb_bt8xx_task);
 786
 787         frontend_init(card, type);
 788
 789         return 0;
 790
 791 err_disconnect_frontend:
 792         card->demux.dmx.disconnect_frontend(&card->demux.dmx);
 793 err_remove_mem_frontend:
 794         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 795 err_remove_hw_frontend:
 796         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 797 err_dmxdev_release:
 798         dvb_dmxdev_release(&card->dmxdev);
 799 err_dmx_release:
 800         dvb_dmx_release(&card->demux);
 801 err_unregister_adaptor:
 802         dvb_unregister_adapter(&card->dvb_adapter);
 803         return result;
 804 }
 805
 806 static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
 807 {
 808         struct dvb_bt8xx_card *card;
 809         struct pci_dev* bttv_pci_dev;
 810         int ret;
 811
 812         if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
 813                 return -ENOMEM;
 814
 815         mutex_init(&card->lock);
 816         card->bttv_nr = sub->core->nr;
 817         strscpy(card->card_name, sub->core->v4l2_dev.name,
 818                 sizeof(card->card_name));
 819         card->i2c_adapter = &sub->core->i2c_adap;
 820
 821         switch(sub->core->type) {
 822         case BTTV_BOARD_PINNACLESAT:
 823                 card->gpio_mode = 0x0400c060;
 824                 /* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
 825                               BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
 826                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 827                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 828                 break;
 829
 830         case BTTV_BOARD_DVICO_DVBT_LITE:
 831                 card->gpio_mode = 0x0400C060;
 832                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 833                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 834                 /* 26, 15, 14, 6, 5
 835                  * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
 836                  * DA_APP(parallel) */
 837                 break;
 838
 839         case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
 840                 card->gpio_mode = 0x0400c060;
 841                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 842                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 843                 break;
 844
 845         case BTTV_BOARD_NEBULA_DIGITV:
 846         case BTTV_BOARD_AVDVBT_761:
 847                 card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
 848                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 849                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 850                 /* A_PWRDN DA_SBR DA_APP (high speed serial) */
 851                 break;
 852
 853         case BTTV_BOARD_AVDVBT_771: //case 0x07711461:
 854                 card->gpio_mode = 0x0400402B;
 855                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 856                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 857                 /* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
 858                 break;
 859
 860         case BTTV_BOARD_TWINHAN_DST:
 861                 card->gpio_mode = 0x2204f2c;
 862                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 863                 card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
 864                                        BT878_APPERR | BT878_AFBUS;
 865                 /* 25,21,14,11,10,9,8,3,2 then
 866                  * 0x33 = 5,4,1,0
 867                  * A_SEL=SML, DA_MLB, DA_SBR,
 868                  * DA_SDR=f, fifo trigger = 32 DWORDS
 869                  * IOM = 0 == audio A/D
 870                  * DPM = 0 == digital audio mode
 871                  * == async data parallel port
 872                  * then 0x33 (13 is set by start_capture)
 873                  * DA_APP = async data parallel port,
 874                  * ACAP_EN = 1,
 875                  * RISC+FIFO ENABLE */
 876                 break;
 877
 878         case BTTV_BOARD_PC_HDTV:
 879                 card->gpio_mode = 0x0100EC7B;
 880                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 881                 card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;
 882                 break;
 883
 884         default:
 885                 pr_err("Unknown bttv card type: %d\n", sub->core->type);
 886                 kfree(card);
 887                 return -ENODEV;
 888         }
 889
 890         dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
 891
 892         if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
 893                 pr_err("no pci device for card %d\n", card->bttv_nr);
 894                 kfree(card);
 895                 return -ENODEV;
 896         }
 897
 898         if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
 899                 pr_err("unable to determine DMA core of card %d,\n", card->bttv_nr);
 900                 pr_err("if you have the ALSA bt87x audio driver installed, try removing it.\n");
 901
 902                 kfree(card);
 903                 return -ENODEV;
 904         }
 905
 906         mutex_init(&card->bt->gpio_lock);
 907         card->bt->bttv_nr = sub->core->nr;
 908
 909         if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
 910                 kfree(card);
 911                 return ret;
 912         }
 913
 914         dev_set_drvdata(&sub->dev, card);
 915         return 0;
 916 }
 917
 918 static void dvb_bt8xx_remove(struct bttv_sub_device *sub)
 919 {
 920         struct dvb_bt8xx_card *card = dev_get_drvdata(&sub->dev);
 921
 922         dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
 923
 924         bt878_stop(card->bt);
 925         tasklet_kill(&card->bt->tasklet);
 926         dvb_net_release(&card->dvbnet);
 927         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 928         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 929         dvb_dmxdev_release(&card->dmxdev);
 930         dvb_dmx_release(&card->demux);
 931         if (card->fe) {
 932                 dvb_unregister_frontend(card->fe);
 933                 dvb_frontend_detach(card->fe);
 934         }
 935         dvb_unregister_adapter(&card->dvb_adapter);
 936
 937         kfree(card);
 938 }
 939
 940 static struct bttv_sub_driver driver = {
 941         .drv = {
 942                 .name           = "dvb-bt8xx",
 943         },
 944         .probe          = dvb_bt8xx_probe,
 945         .remove         = dvb_bt8xx_remove,
 946         /* FIXME:
 947          * .shutdown    = dvb_bt8xx_shutdown,
 948          * .suspend     = dvb_bt8xx_suspend,
 949          * .resume      = dvb_bt8xx_resume,
 950          */
 951 };
 952
 953 static int __init dvb_bt8xx_init(void)
 954 {
 955         return bttv_sub_register(&driver, "dvb");
 956 }
 957
 958 static void __exit dvb_bt8xx_exit(void)
 959 {
 960         bttv_sub_unregister(&driver);
 961 }
 962
 963 module_init(dvb_bt8xx_init);
 964 module_exit(dvb_bt8xx_exit);
 965
 966 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
 967 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
 968 MODULE_LICENSE("GPL");