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

   1 /*
   2  * Bt8xx based DVB adapter driver
   3  *
   4  * Copyright (C) 2002,2003 Florian Schirmer <jolt@tuxbox.org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  *
  20  */
  21
  22 #include <linux/bitops.h>
  23 #include <linux/module.h>
  24 #include <linux/moduleparam.h>
  25 #include <linux/init.h>
  26 #include <linux/device.h>
  27 #include <linux/delay.h>
  28 #include <linux/slab.h>
  29 #include <linux/i2c.h>
  30
  31 #include "dmxdev.h"
  32 #include "dvbdev.h"
  33 #include "dvb_demux.h"
  34 #include "dvb_frontend.h"
  35 #include "dvb-bt8xx.h"
  36 #include "bt878.h"
  37
  38 static int debug;
  39
  40 module_param(debug, int, 0644);
  41 MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
  42
  43 #define dprintk( args... ) \
  44         do \
  45                 if (debug) printk(KERN_DEBUG args); \
  46         while (0)
  47
  48 #define IF_FREQUENCYx6 217    /* 6 * 36.16666666667MHz */
  49
  50 static void dvb_bt8xx_task(unsigned long data)
  51 {
  52         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data;
  53
  54         //printk("%d ", card->bt->finished_block);
  55
  56         while (card->bt->last_block != card->bt->finished_block) {
  57                 (card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter)
  58                         (&card->demux,
  59                          &card->bt->buf_cpu[card->bt->last_block *
  60                                             card->bt->block_bytes],
  61                          card->bt->block_bytes);
  62                 card->bt->last_block = (card->bt->last_block + 1) %
  63                                         card->bt->block_count;
  64         }
  65 }
  66
  67 static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
  68 {
  69         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
  70         struct dvb_bt8xx_card *card = dvbdmx->priv;
  71         int rc;
  72
  73         dprintk("dvb_bt8xx: start_feed\n");
  74
  75         if (!dvbdmx->dmx.frontend)
  76                 return -EINVAL;
  77
  78         down(&card->lock);
  79         card->nfeeds++;
  80         rc = card->nfeeds;
  81         if (card->nfeeds == 1)
  82                 bt878_start(card->bt, card->gpio_mode,
  83                             card->op_sync_orin, card->irq_err_ignore);
  84         up(&card->lock);
  85         return rc;
  86 }
  87
  88 static int dvb_bt8xx_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
  89 {
  90         struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
  91         struct dvb_bt8xx_card *card = dvbdmx->priv;
  92
  93         dprintk("dvb_bt8xx: stop_feed\n");
  94
  95         if (!dvbdmx->dmx.frontend)
  96                 return -EINVAL;
  97
  98         down(&card->lock);
  99         card->nfeeds--;
 100         if (card->nfeeds == 0)
 101                 bt878_stop(card->bt);
 102         up(&card->lock);
 103
 104         return 0;
 105 }
 106
 107 static int is_pci_slot_eq(struct pci_dev* adev, struct pci_dev* bdev)
 108 {
 109         if ((adev->subsystem_vendor == bdev->subsystem_vendor) &&
 110                 (adev->subsystem_device == bdev->subsystem_device) &&
 111                 (adev->bus->number == bdev->bus->number) &&
 112                 (PCI_SLOT(adev->devfn) == PCI_SLOT(bdev->devfn)))
 113                 return 1;
 114         return 0;
 115 }
 116
 117 static struct bt878 __init *dvb_bt8xx_878_match(unsigned int bttv_nr, struct pci_dev* bttv_pci_dev)
 118 {
 119         unsigned int card_nr;
 120
 121         /* Hmm, n squared. Hope n is small */
 122         for (card_nr = 0; card_nr < bt878_num; card_nr++)
 123                 if (is_pci_slot_eq(bt878[card_nr].dev, bttv_pci_dev))
 124                         return &bt878[card_nr];
 125         return NULL;
 126 }
 127
 128 static int thomson_dtt7579_demod_init(struct dvb_frontend* fe)
 129 {
 130         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x38 };
 131         static u8 mt352_reset [] = { 0x50, 0x80 };
 132         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 133         static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
 134         static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
 135         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 136
 137         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 138         udelay(2000);
 139         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 140         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 141
 142         mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
 143         mt352_write(fe, mt352_gpp_ctl_cfg, sizeof(mt352_gpp_ctl_cfg));
 144         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 145
 146         return 0;
 147 }
 148
 149 static int thomson_dtt7579_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
 150 {
 151         u32 div;
 152         unsigned char bs = 0;
 153         unsigned char cp = 0;
 154
 155         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 156
 157         if (params->frequency < 542000000)
 158                 cp = 0xb4;
 159         else if (params->frequency < 771000000)
 160                 cp = 0xbc;
 161         else
 162                 cp = 0xf4;
 163
 164         if (params->frequency == 0)
 165                 bs = 0x03;
 166         else if (params->frequency < 443250000)
 167                 bs = 0x02;
 168         else
 169                 bs = 0x08;
 170
 171         pllbuf[0] = 0xc0; // Note: non-linux standard PLL i2c address
 172         pllbuf[1] = div >> 8;
 173         pllbuf[2] = div & 0xff;
 174         pllbuf[3] = cp;
 175         pllbuf[4] = bs;
 176
 177         return 0;
 178 }
 179
 180 static struct mt352_config thomson_dtt7579_config = {
 181         .demod_address = 0x0f,
 182         .demod_init = thomson_dtt7579_demod_init,
 183         .pll_set = thomson_dtt7579_pll_set,
 184 };
 185
 186 static int cx24108_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 187 {
 188         u32 freq = params->frequency;
 189
 190         int i, a, n, pump;
 191         u32 band, pll;
 192
 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         printk("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<sizeof(osci)/sizeof(osci[0]))&&(osci[i]<freq);i++);
 211         printk("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         printk("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_pll_init(struct dvb_frontend* fe)
 240 {
 241         return 0;
 242 }
 243
 244 static struct cx24110_config pctvsat_config = {
 245         .demod_address = 0x55,
 246         .pll_init = pinnsat_pll_init,
 247         .pll_set = cx24108_pll_set,
 248 };
 249
 250 static int microtune_mt7202dtf_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 251 {
 252         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 253         u8 cfg, cpump, band_select;
 254         u8 data[4];
 255         u32 div;
 256         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = data, .len = sizeof(data) };
 257
 258         div = (36000000 + params->frequency + 83333) / 166666;
 259         cfg = 0x88;
 260
 261         if (params->frequency < 175000000)
 262                 cpump = 2;
 263         else if (params->frequency < 390000000)
 264                 cpump = 1;
 265         else if (params->frequency < 470000000)
 266                 cpump = 2;
 267         else if (params->frequency < 750000000)
 268                 cpump = 2;
 269         else
 270                 cpump = 3;
 271
 272         if (params->frequency < 175000000)
 273                 band_select = 0x0e;
 274         else if (params->frequency < 470000000)
 275                 band_select = 0x05;
 276         else
 277                 band_select = 0x03;
 278
 279         data[0] = (div >> 8) & 0x7f;
 280         data[1] = div & 0xff;
 281         data[2] = ((div >> 10) & 0x60) | cfg;
 282         data[3] = cpump | band_select;
 283
 284         i2c_transfer(card->i2c_adapter, &msg, 1);
 285         return (div * 166666 - 36000000);
 286 }
 287
 288 static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 289 {
 290         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 291
 292         return request_firmware(fw, name, &bt->bt->dev->dev);
 293 }
 294
 295 static struct sp887x_config microtune_mt7202dtf_config = {
 296         .demod_address = 0x70,
 297         .pll_set = microtune_mt7202dtf_pll_set,
 298         .request_firmware = microtune_mt7202dtf_request_firmware,
 299 };
 300
 301 static int advbt771_samsung_tdtc9251dh0_demod_init(struct dvb_frontend* fe)
 302 {
 303         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 304         static u8 mt352_reset [] = { 0x50, 0x80 };
 305         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 306         static u8 mt352_agc_cfg [] = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
 307                                        0x00, 0xFF, 0x00, 0x40, 0x40 };
 308         static u8 mt352_av771_extra[] = { 0xB5, 0x7A };
 309         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 310
 311         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 312         udelay(2000);
 313         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 314         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 315
 316         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 317         udelay(2000);
 318         mt352_write(fe, mt352_av771_extra,sizeof(mt352_av771_extra));
 319         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 320
 321         return 0;
 322 }
 323
 324 static int advbt771_samsung_tdtc9251dh0_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
 325 {
 326         u32 div;
 327         unsigned char bs = 0;
 328         unsigned char cp = 0;
 329
 330         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 331
 332         if (params->frequency < 150000000)
 333                 cp = 0xB4;
 334         else if (params->frequency < 173000000)
 335                 cp = 0xBC;
 336         else if (params->frequency < 250000000)
 337                 cp = 0xB4;
 338         else if (params->frequency < 400000000)
 339                 cp = 0xBC;
 340         else if (params->frequency < 420000000)
 341                 cp = 0xF4;
 342         else if (params->frequency < 470000000)
 343                 cp = 0xFC;
 344         else if (params->frequency < 600000000)
 345                 cp = 0xBC;
 346         else if (params->frequency < 730000000)
 347                 cp = 0xF4;
 348         else
 349                 cp = 0xFC;
 350
 351         if (params->frequency < 150000000)
 352                 bs = 0x01;
 353         else if (params->frequency < 173000000)
 354                 bs = 0x01;
 355         else if (params->frequency < 250000000)
 356                 bs = 0x02;
 357         else if (params->frequency < 400000000)
 358                 bs = 0x02;
 359         else if (params->frequency < 420000000)
 360                 bs = 0x02;
 361         else if (params->frequency < 470000000)
 362                 bs = 0x02;
 363         else if (params->frequency < 600000000)
 364                 bs = 0x08;
 365         else if (params->frequency < 730000000)
 366                 bs = 0x08;
 367         else
 368                 bs = 0x08;
 369
 370         pllbuf[0] = 0xc2; // Note: non-linux standard PLL i2c address
 371         pllbuf[1] = div >> 8;
 372         pllbuf[2] = div & 0xff;
 373         pllbuf[3] = cp;
 374         pllbuf[4] = bs;
 375
 376         return 0;
 377 }
 378
 379 static struct mt352_config advbt771_samsung_tdtc9251dh0_config = {
 380         .demod_address = 0x0f,
 381         .demod_init = advbt771_samsung_tdtc9251dh0_demod_init,
 382         .pll_set = advbt771_samsung_tdtc9251dh0_pll_set,
 383 };
 384
 385 static struct dst_config dst_config = {
 386         .demod_address = 0x55,
 387 };
 388
 389 static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
 390 {
 391         struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
 392
 393         return request_firmware(fw, name, &bt->bt->dev->dev);
 394 }
 395
 396 static void or51211_setmode(struct dvb_frontend * fe, int mode)
 397 {
 398         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 399         bttv_write_gpio(bt->bttv_nr, 0x0002, mode);   /* Reset */
 400         msleep(20);
 401 }
 402
 403 static void or51211_reset(struct dvb_frontend * fe)
 404 {
 405         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 406
 407         /* RESET DEVICE
 408          * reset is controled by GPIO-0
 409          * when set to 0 causes reset and when to 1 for normal op
 410          * must remain reset for 128 clock cycles on a 50Mhz clock
 411          * also PRM1 PRM2 & PRM4 are controled by GPIO-1,GPIO-2 & GPIO-4
 412          * We assume that the reset has be held low long enough or we
 413          * have been reset by a power on.  When the driver is unloaded
 414          * reset set to 0 so if reloaded we have been reset.
 415          */
 416         /* reset & PRM1,2&4 are outputs */
 417         int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
 418         if (ret != 0)
 419                 printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR (%i)\n", ret);
 420         bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000);   /* Reset */
 421         msleep(20);
 422         /* Now set for normal operation */
 423         bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
 424         /* wait for operation to begin */
 425         msleep(500);
 426 }
 427
 428 static void or51211_sleep(struct dvb_frontend * fe)
 429 {
 430         struct dvb_bt8xx_card *bt = fe->dvb->priv;
 431         bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
 432 }
 433
 434 static struct or51211_config or51211_config = {
 435         .demod_address = 0x15,
 436         .request_firmware = or51211_request_firmware,
 437         .setmode = or51211_setmode,
 438         .reset = or51211_reset,
 439         .sleep = or51211_sleep,
 440 };
 441
 442 static int vp3021_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 443 {
 444         struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
 445         u8 buf[4];
 446         u32 div;
 447         struct i2c_msg msg = { .addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf) };
 448
 449         div = (params->frequency + 36166667) / 166667;
 450
 451         buf[0] = (div >> 8) & 0x7F;
 452         buf[1] = div & 0xFF;
 453         buf[2] = 0x85;
 454         if ((params->frequency >= 47000000) && (params->frequency < 153000000))
 455                 buf[3] = 0x01;
 456         else if ((params->frequency >= 153000000) && (params->frequency < 430000000))
 457                 buf[3] = 0x02;
 458         else if ((params->frequency >= 430000000) && (params->frequency < 824000000))
 459                 buf[3] = 0x0C;
 460         else if ((params->frequency >= 824000000) && (params->frequency < 863000000))
 461                 buf[3] = 0x8C;
 462         else
 463                 return -EINVAL;
 464
 465         i2c_transfer(card->i2c_adapter, &msg, 1);
 466         return 0;
 467 }
 468
 469 static struct nxt6000_config vp3021_alps_tded4_config = {
 470         .demod_address = 0x0a,
 471         .clock_inversion = 1,
 472         .pll_set = vp3021_alps_tded4_pll_set,
 473 };
 474
 475 static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe)
 476 {
 477         static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d };
 478         static u8 mt352_reset [] = { 0x50, 0x80 };
 479         static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
 480         static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 };
 481         static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
 482
 483         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 484         udelay(2000);
 485         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 486         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 487         mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));
 488         mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
 489
 490         return 0;
 491 }
 492
 493 static int digitv_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
 494 {
 495         u32 div;
 496         struct dvb_ofdm_parameters *op = &params->u.ofdm;
 497
 498         div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
 499
 500         pllbuf[0] = 0xc2;
 501         pllbuf[1] = (div >> 8) & 0x7F;
 502         pllbuf[2] = div & 0xFF;
 503         pllbuf[3] = 0x85;
 504
 505         dprintk("frequency %u, div %u\n", params->frequency, div);
 506
 507         if (params->frequency < 470000000)
 508                 pllbuf[4] = 0x02;
 509         else if (params->frequency > 823000000)
 510                 pllbuf[4] = 0x88;
 511         else
 512                 pllbuf[4] = 0x08;
 513
 514         if (op->bandwidth == 8)
 515                 pllbuf[4] |= 0x04;
 516
 517         return 0;
 518 }
 519
 520 static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt)
 521 {
 522         /*
 523          * Reset the frontend, must be called before trying
 524          * to initialise the MT352 or mt352_attach
 525          * will fail.
 526          *
 527          * Presumably not required for the NXT6000 frontend.
 528          *
 529          */
 530
 531         int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);
 532         if (ret != 0)
 533                 printk(KERN_WARNING "digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n", ret);
 534
 535         /* Pulse the reset line */
 536         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 537         bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */
 538         msleep(100);
 539
 540         bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */
 541 }
 542
 543 static struct mt352_config digitv_alps_tded4_config = {
 544         .demod_address = 0x0a,
 545         .demod_init = digitv_alps_tded4_demod_init,
 546         .pll_set = digitv_alps_tded4_pll_set,
 547 };
 548
 549 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 550 {
 551         int ret;
 552         struct dst_state* state = NULL;
 553
 554         switch(type) {
 555 #ifdef BTTV_DVICO_DVBT_LITE
 556         case BTTV_DVICO_DVBT_LITE:
 557                 card->fe = mt352_attach(&thomson_dtt7579_config, card->i2c_adapter);
 558                 if (card->fe != NULL) {
 559                         card->fe->ops->info.frequency_min = 174000000;
 560                         card->fe->ops->info.frequency_max = 862000000;
 561                 }
 562                 break;
 563 #endif
 564
 565 #ifdef BTTV_TWINHAN_VP3021
 566         case BTTV_TWINHAN_VP3021:
 567 #else
 568         case BTTV_NEBULA_DIGITV:
 569 #endif
 570                 /*
 571                  * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);
 572                  * this would be a cleaner solution than trying each frontend in turn.
 573                  */
 574
 575                 /* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
 576                 card->fe = nxt6000_attach(&vp3021_alps_tded4_config, card->i2c_adapter);
 577                 if (card->fe != NULL) {
 578                         dprintk ("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
 579                         break;
 580                 }
 581
 582                 /* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
 583                 digitv_alps_tded4_reset(card);
 584                 card->fe = mt352_attach(&digitv_alps_tded4_config, card->i2c_adapter);
 585
 586                 if (card->fe != NULL)
 587                         dprintk ("dvb_bt8xx: an mt352 was detected on your digitv card\n");
 588                 break;
 589
 590         case BTTV_AVDVBT_761:
 591                 card->fe = sp887x_attach(&microtune_mt7202dtf_config, card->i2c_adapter);
 592                 break;
 593
 594         case BTTV_AVDVBT_771:
 595                 card->fe = mt352_attach(&advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
 596                 if (card->fe != NULL) {
 597                         card->fe->ops->info.frequency_min = 174000000;
 598                         card->fe->ops->info.frequency_max = 862000000;
 599                 }
 600                 break;
 601
 602         case BTTV_TWINHAN_DST:
 603                 /*      DST is not a frontend driver !!!                */
 604                 state = (struct dst_state *) kmalloc(sizeof (struct dst_state), GFP_KERNEL);
 605                 /*      Setup the Card                                  */
 606                 state->config = &dst_config;
 607                 state->i2c = card->i2c_adapter;
 608                 state->bt = card->bt;
 609
 610                 /*      DST is not a frontend, attaching the ASIC       */
 611                 if ((dst_attach(state, &card->dvb_adapter)) == NULL) {
 612                         printk("%s: Could not find a Twinhan DST.\n", __FUNCTION__);
 613                         break;
 614                 }
 615                 card->fe = &state->frontend;
 616
 617                 /*      Attach other DST peripherals if any             */
 618                 /*      Conditional Access device                       */
 619                 if (state->dst_hw_cap & DST_TYPE_HAS_CA)
 620                         ret = dst_ca_attach(state, &card->dvb_adapter);
 621                 break;
 622
 623         case BTTV_PINNACLESAT:
 624                 card->fe = cx24110_attach(&pctvsat_config, card->i2c_adapter);
 625                 break;
 626
 627         case BTTV_PC_HDTV:
 628                 card->fe = or51211_attach(&or51211_config, card->i2c_adapter);
 629                 break;
 630         }
 631
 632         if (card->fe == NULL)
 633                 printk("dvb-bt8xx: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",
 634                        card->bt->dev->vendor,
 635                        card->bt->dev->device,
 636                        card->bt->dev->subsystem_vendor,
 637                        card->bt->dev->subsystem_device);
 638         else
 639                 if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {
 640                         printk("dvb-bt8xx: Frontend registration failed!\n");
 641                         if (card->fe->ops->release)
 642                                 card->fe->ops->release(card->fe);
 643                         card->fe = NULL;
 644                 }
 645 }
 646
 647 static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
 648 {
 649         int result;
 650
 651         if ((result = dvb_register_adapter(&card->dvb_adapter, card->card_name, THIS_MODULE)) < 0) {
 652                 printk("dvb_bt8xx: dvb_register_adapter failed (errno = %d)\n", result);
 653                 return result;
 654         }
 655         card->dvb_adapter.priv = card;
 656
 657         card->bt->adapter = card->i2c_adapter;
 658
 659         memset(&card->demux, 0, sizeof(struct dvb_demux));
 660
 661         card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;
 662
 663         card->demux.priv = card;
 664         card->demux.filternum = 256;
 665         card->demux.feednum = 256;
 666         card->demux.start_feed = dvb_bt8xx_start_feed;
 667         card->demux.stop_feed = dvb_bt8xx_stop_feed;
 668         card->demux.write_to_decoder = NULL;
 669
 670         if ((result = dvb_dmx_init(&card->demux)) < 0) {
 671                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 672
 673                 dvb_unregister_adapter(&card->dvb_adapter);
 674                 return result;
 675         }
 676
 677         card->dmxdev.filternum = 256;
 678         card->dmxdev.demux = &card->demux.dmx;
 679         card->dmxdev.capabilities = 0;
 680
 681         if ((result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter)) < 0) {
 682                 printk("dvb_bt8xx: dvb_dmxdev_init failed (errno = %d)\n", result);
 683
 684                 dvb_dmx_release(&card->demux);
 685                 dvb_unregister_adapter(&card->dvb_adapter);
 686                 return result;
 687         }
 688
 689         card->fe_hw.source = DMX_FRONTEND_0;
 690
 691         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
 692                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 693
 694                 dvb_dmxdev_release(&card->dmxdev);
 695                 dvb_dmx_release(&card->demux);
 696                 dvb_unregister_adapter(&card->dvb_adapter);
 697                 return result;
 698         }
 699
 700         card->fe_mem.source = DMX_MEMORY_FE;
 701
 702         if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem)) < 0) {
 703                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 704
 705                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 706                 dvb_dmxdev_release(&card->dmxdev);
 707                 dvb_dmx_release(&card->demux);
 708                 dvb_unregister_adapter(&card->dvb_adapter);
 709                 return result;
 710         }
 711
 712         if ((result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {
 713                 printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);
 714
 715                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 716                 card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 717                 dvb_dmxdev_release(&card->dmxdev);
 718                 dvb_dmx_release(&card->demux);
 719                 dvb_unregister_adapter(&card->dvb_adapter);
 720                 return result;
 721         }
 722
 723         dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);
 724
 725         tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);
 726
 727         frontend_init(card, type);
 728
 729         return 0;
 730 }
 731
 732 static int dvb_bt8xx_probe(struct device *dev)
 733 {
 734         struct bttv_sub_device *sub = to_bttv_sub_dev(dev);
 735         struct dvb_bt8xx_card *card;
 736         struct pci_dev* bttv_pci_dev;
 737         int ret;
 738
 739         if (!(card = kmalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))
 740                 return -ENOMEM;
 741
 742         memset(card, 0, sizeof(*card));
 743         init_MUTEX(&card->lock);
 744         card->bttv_nr = sub->core->nr;
 745         strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));
 746         card->i2c_adapter = &sub->core->i2c_adap;
 747
 748         switch(sub->core->type) {
 749         case BTTV_PINNACLESAT:
 750                 card->gpio_mode = 0x0400c060;
 751                 /* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,
 752                               BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */
 753                 card->op_sync_orin = 0;
 754                 card->irq_err_ignore = 0;
 755                 break;
 756
 757 #ifdef BTTV_DVICO_DVBT_LITE
 758         case BTTV_DVICO_DVBT_LITE:
 759 #endif
 760                 card->gpio_mode = 0x0400C060;
 761                 card->op_sync_orin = 0;
 762                 card->irq_err_ignore = 0;
 763                 /* 26, 15, 14, 6, 5
 764                  * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA
 765                  * DA_APP(parallel) */
 766                 break;
 767
 768 #ifdef BTTV_TWINHAN_VP3021
 769         case BTTV_TWINHAN_VP3021:
 770 #else
 771         case BTTV_NEBULA_DIGITV:
 772 #endif
 773         case BTTV_AVDVBT_761:
 774                 card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);
 775                 card->op_sync_orin = 0;
 776                 card->irq_err_ignore = 0;
 777                 /* A_PWRDN DA_SBR DA_APP (high speed serial) */
 778                 break;
 779
 780         case BTTV_AVDVBT_771: //case 0x07711461:
 781                 card->gpio_mode = 0x0400402B;
 782                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 783                 card->irq_err_ignore = 0;
 784                 /* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/
 785                 break;
 786
 787         case BTTV_TWINHAN_DST:
 788                 card->gpio_mode = 0x2204f2c;
 789                 card->op_sync_orin = BT878_RISC_SYNC_MASK;
 790                 card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |
 791                                        BT878_APPERR | BT878_AFBUS;
 792                 /* 25,21,14,11,10,9,8,3,2 then
 793                  * 0x33 = 5,4,1,0
 794                  * A_SEL=SML, DA_MLB, DA_SBR,
 795                  * DA_SDR=f, fifo trigger = 32 DWORDS
 796                  * IOM = 0 == audio A/D
 797                  * DPM = 0 == digital audio mode
 798                  * == async data parallel port
 799                  * then 0x33 (13 is set by start_capture)
 800                  * DA_APP = async data parallel port,
 801                  * ACAP_EN = 1,
 802                  * RISC+FIFO ENABLE */
 803                 break;
 804
 805         case BTTV_PC_HDTV:
 806                 card->gpio_mode = 0x0100EC7B;
 807                 card->op_sync_orin = 0;
 808                 card->irq_err_ignore = 0;
 809                 break;
 810
 811         default:
 812                 printk(KERN_WARNING "dvb_bt8xx: Unknown bttv card type: %d.\n",
 813                                 sub->core->type);
 814                 kfree(card);
 815                 return -ENODEV;
 816         }
 817
 818         dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);
 819
 820         if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {
 821                 printk("dvb_bt8xx: no pci device for card %d\n", card->bttv_nr);
 822                 kfree(card);
 823                 return -EFAULT;
 824         }
 825
 826         if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {
 827                 printk("dvb_bt8xx: unable to determine DMA core of card %d,\n",
 828                        card->bttv_nr);
 829                 printk("dvb_bt8xx: if you have the ALSA bt87x audio driver "
 830                        "installed, try removing it.\n");
 831
 832                 kfree(card);
 833                 return -EFAULT;
 834         }
 835
 836         init_MUTEX(&card->bt->gpio_lock);
 837         card->bt->bttv_nr = sub->core->nr;
 838
 839         if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {
 840                 kfree(card);
 841                 return ret;
 842         }
 843
 844         dev_set_drvdata(dev, card);
 845         return 0;
 846 }
 847
 848 static int dvb_bt8xx_remove(struct device *dev)
 849 {
 850         struct dvb_bt8xx_card *card = dev_get_drvdata(dev);
 851
 852         dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
 853
 854         bt878_stop(card->bt);
 855         tasklet_kill(&card->bt->tasklet);
 856         dvb_net_release(&card->dvbnet);
 857         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);
 858         card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 859         dvb_dmxdev_release(&card->dmxdev);
 860         dvb_dmx_release(&card->demux);
 861         if (card->fe)
 862                 dvb_unregister_frontend(card->fe);
 863         dvb_unregister_adapter(&card->dvb_adapter);
 864
 865         kfree(card);
 866
 867         return 0;
 868 }
 869
 870 static struct bttv_sub_driver driver = {
 871         .drv = {
 872                 .name           = "dvb-bt8xx",
 873                 .probe          = dvb_bt8xx_probe,
 874                 .remove         = dvb_bt8xx_remove,
 875                 /* FIXME:
 876                  * .shutdown    = dvb_bt8xx_shutdown,
 877                  * .suspend     = dvb_bt8xx_suspend,
 878                  * .resume      = dvb_bt8xx_resume,
 879                  */
 880         },
 881 };
 882
 883 static int __init dvb_bt8xx_init(void)
 884 {
 885         return bttv_sub_register(&driver, "dvb");
 886 }
 887
 888 static void __exit dvb_bt8xx_exit(void)
 889 {
 890         bttv_sub_unregister(&driver);
 891 }
 892
 893 module_init(dvb_bt8xx_init);
 894 module_exit(dvb_bt8xx_exit);
 895
 896 MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");
 897 MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");
 898 MODULE_LICENSE("GPL");