1 /* $SourceForge: bktr_card.c,v 1.3 2003/03/11 23:11:21 thomasklausner Exp $ */ 2 3 /* $NetBSD: bktr_card.c,v 1.25 2013/10/16 18:20:16 christos Exp $ */ 4 /* $FreeBSD: src/sys/dev/bktr/bktr_card.c,v 1.16 2000/10/31 13:09:56 roger Exp$ */ 5 6 /* 7 * This is part of the Driver for Video Capture Cards (Frame grabbers) 8 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 9 * chipset. 10 * Copyright Roger Hardiman and Amancio Hasty. 11 * 12 * bktr_card : This deals with identifying TV cards. 13 * trying to find the card make and model of card. 14 * trying to find the type of tuner fitted. 15 * reading the configuration EEPROM. 16 * locating i2c devices. 17 * 18 */ 19 20 /* 21 * 1. Redistributions of source code must retain the 22 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman 23 * All rights reserved. 24 * 25 * Redistribution and use in source and binary forms, with or without 26 * modification, are permitted provided that the following conditions 27 * are met: 28 * 1. Redistributions of source code must retain the above copyright 29 * notice, this list of conditions and the following disclaimer. 30 * 2. Redistributions in binary form must reproduce the above copyright 31 * notice, this list of conditions and the following disclaimer in the 32 * documentation and/or other materials provided with the distribution. 33 * 3. All advertising materials mentioning features or use of this software 34 * must display the following acknowledgement: 35 * This product includes software developed by Amancio Hasty and 36 * Roger Hardiman 37 * 4. The name of the author may not be used to endorse or promote products 38 * derived from this software without specific prior written permission. 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 41 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 42 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 43 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 44 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 45 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 46 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 49 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 50 * POSSIBILITY OF SUCH DAMAGE. 51 */ 52 53 #include <sys/cdefs.h> 54 __KERNEL_RCSID(0, "$NetBSD: bktr_card.c,v 1.25 2013/10/16 18:20:16 christos Exp $"); 55 56 #include "opt_bktr.h" /* Include any kernel config options */ 57 58 #include <sys/param.h> 59 #include <sys/systm.h> 60 #include <sys/vnode.h> 61 62 #ifdef __FreeBSD__ 63 64 #if (__FreeBSD_version < 500000) 65 #include <machine/clock.h> /* for DELAY */ 66 #endif 67 68 #include <pci/pcivar.h> 69 70 #if (__FreeBSD_version >=300000) 71 #include <machine/bus_memio.h> /* for bus space */ 72 #include <sys/bus.h> 73 #include <sys/bus.h> 74 #endif 75 #endif 76 77 #ifdef __NetBSD__ 78 #include <dev/ic/bt8xx.h> /* NetBSD location for .h files */ 79 #include <dev/pci/bktr/bktr_reg.h> 80 #include <dev/pci/bktr/bktr_core.h> 81 #include <dev/pci/bktr/bktr_tuner.h> 82 #include <dev/pci/bktr/bktr_card.h> 83 #include <dev/pci/bktr/bktr_audio.h> 84 #else 85 #include <machine/ioctl_meteor.h> /* Traditional location for .h files */ 86 #include <machine/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 87 #include <dev/bktr/bktr_reg.h> 88 #include <dev/bktr/bktr_core.h> 89 #include <dev/bktr/bktr_tuner.h> 90 #include <dev/bktr/bktr_card.h> 91 #include <dev/bktr/bktr_audio.h> 92 #endif 93 94 /* Include the PCI Vendor definitions */ 95 #ifdef __NetBSD__ 96 #include <dev/pci/pcidevs.h> 97 #include <dev/pci/pcireg.h> 98 #endif 99 100 /* Various defines */ 101 #define HAUP_REMOTE_INT_WADDR 0x30 102 #define HAUP_REMOTE_INT_RADDR 0x31 103 104 #define HAUP_REMOTE_EXT_WADDR 0x34 105 #define HAUP_REMOTE_EXT_RADDR 0x35 106 107 /* address of BTSC/SAP decoder chip */ 108 #define TDA9850_WADDR 0xb6 109 #define TDA9850_RADDR 0xb7 110 111 /* address of MSP3400C chip */ 112 #define MSP3400C_WADDR 0x80 113 #define MSP3400C_RADDR 0x81 114 115 /* address of DPL3518A chip */ 116 #define DPL3518A_WADDR 0x84 117 #define DPL3518A_RADDR 0x85 118 119 /* EEProm (128 * 8) on an STB card */ 120 #define X24C01_WADDR 0xae 121 #define X24C01_RADDR 0xaf 122 123 124 /* EEProm (256 * 8) on a Hauppauge card */ 125 /* and on most BT878s cards to store the sub-system vendor id */ 126 #define PFC8582_WADDR 0xa0 127 #define PFC8582_RADDR 0xa1 128 129 #if BKTR_SYSTEM_DEFAULT == BROOKTREE_PAL 130 #define DEFAULT_TUNER PHILIPS_PALI 131 #else 132 #define DEFAULT_TUNER PHILIPS_NTSC 133 #endif 134 135 136 137 138 /* 139 * the data for each type of card 140 * 141 * Note: 142 * these entried MUST be kept in the order defined by the CARD_XXX defines! 143 */ 144 static const struct CARDTYPE cards[] = { 145 146 { CARD_UNKNOWN, /* the card id */ 147 "Unknown", /* the 'name' */ 148 NULL, /* the tuner */ 149 0, /* the tuner i2c address */ 150 0, /* dbx unknown */ 151 0, 152 0, 153 0, /* EEProm unknown */ 154 0, /* EEProm unknown */ 155 { 0, 0, 0, 0, 0 }, 156 0 }, /* GPIO mask */ 157 158 { CARD_MIRO, /* the card id */ 159 "Pinnacle/Miro TV", /* the 'name' */ 160 NULL, /* the tuner */ 161 0, /* the tuner i2c address */ 162 0, /* dbx unknown */ 163 0, 164 0, 165 0, /* EEProm unknown */ 166 0, /* size unknown */ 167 { 0x02, 0x01, 0x00, 0x0a, 1 }, /* audio MUX values */ 168 0x0f }, /* GPIO mask */ 169 170 { CARD_HAUPPAUGE, /* the card id */ 171 "Hauppauge WinCast/TV", /* the 'name' */ 172 NULL, /* the tuner */ 173 0, /* the tuner i2c address */ 174 0, /* dbx is optional */ 175 0, 176 0, 177 PFC8582_WADDR, /* EEProm type */ 178 (u_char)(256 / EEPROMBLOCKSIZE), /* 256 bytes */ 179 { 0x00, 0x02, 0x01, 0x04, 1 }, /* audio MUX values */ 180 0x0f }, /* GPIO mask */ 181 182 { CARD_STB, /* the card id */ 183 "STB TV/PCI", /* the 'name' */ 184 NULL, /* the tuner */ 185 0, /* the tuner i2c address */ 186 0, /* dbx is optional */ 187 0, 188 0, 189 X24C01_WADDR, /* EEProm type */ 190 (u_char)(128 / EEPROMBLOCKSIZE), /* 128 bytes */ 191 { 0x00, 0x01, 0x02, 0x02, 1 }, /* audio MUX values */ 192 0x0f }, /* GPIO mask */ 193 194 { CARD_INTEL, /* the card id */ 195 "Intel Smart Video III/VideoLogic Captivator PCI", /* the 'name' */ 196 NULL, /* the tuner */ 197 0, /* the tuner i2c address */ 198 0, 199 0, 200 0, 201 0, 202 0, 203 { 0, 0, 0, 0, 0 }, /* audio MUX values */ 204 0x00 }, /* GPIO mask */ 205 206 { CARD_IMS_TURBO, /* the card id */ 207 "IMS TV Turbo", /* the 'name' */ 208 NULL, /* the tuner */ 209 0, /* the tuner i2c address */ 210 0, /* dbx is optional */ 211 0, 212 0, 213 PFC8582_WADDR, /* EEProm type */ 214 (u_char)(256 / EEPROMBLOCKSIZE), /* 256 bytes */ 215 { 0x01, 0x02, 0x01, 0x00, 1 }, /* audio MUX values */ 216 0x0f }, /* GPIO mask */ 217 218 { CARD_AVER_MEDIA, /* the card id */ 219 "AVer Media TV/FM", /* the 'name' */ 220 NULL, /* the tuner */ 221 0, /* the tuner i2c address */ 222 0, /* dbx is optional */ 223 0, 224 0, 225 0, /* EEProm type */ 226 0, /* EEProm size */ 227 { 0x0c, 0x08, 0x04, 0x00, 1 }, /* audio MUX values */ 228 0x1f }, /* GPIO mask */ 229 230 { CARD_OSPREY, /* the card id */ 231 "MMAC Osprey", /* the 'name' */ 232 NULL, /* the tuner */ 233 0, /* the tuner i2c address */ 234 0, /* dbx is optional */ 235 0, 236 0, 237 PFC8582_WADDR, /* EEProm type */ 238 (u_char)(256 / EEPROMBLOCKSIZE), /* 256 bytes */ 239 { 0x00, 0x00, 0x00, 0x00, 0 }, /* audio MUX values */ 240 0 }, /* GPIO mask */ 241 242 { CARD_NEC_PK, /* the card id */ 243 "NEC PK-UG-X017", /* the 'name' */ 244 NULL, /* the tuner */ 245 0, /* the tuner i2c address */ 246 0, /* dbx is optional */ 247 0, 248 0, 249 0, /* EEProm type */ 250 0, /* EEProm size */ 251 { 0x01, 0x02, 0x01, 0x00, 1 }, /* audio MUX values */ 252 0x0f }, /* GPIO mask */ 253 254 { CARD_IO_GV, /* the card id */ 255 "I/O DATA GV-BCTV2/PCI", /* the 'name' */ 256 NULL, /* the tuner */ 257 0, /* the tuner i2c address */ 258 0, /* dbx is optional */ 259 0, 260 0, 261 0, /* EEProm type */ 262 0, /* EEProm size */ 263 { 0x00, 0x00, 0x00, 0x00, 1 }, /* Has special MUX handler */ 264 0x0f }, /* GPIO mask */ 265 266 { CARD_FLYVIDEO, /* the card id */ 267 "FlyVideo", /* the 'name' */ 268 NULL, /* the tuner */ 269 0, /* the tuner i2c address */ 270 0, /* dbx is optional */ 271 0, /* msp34xx is optional */ 272 0, /* dpl3518a is optional */ 273 0xac, /* EEProm type */ 274 (u_char)(256 / EEPROMBLOCKSIZE), /* 256 bytes */ 275 { 0x000, 0x800, 0x400, 0x8dff00, 1 },/* audio MUX values */ 276 0x8dff00 }, /* GPIO mask */ 277 278 { CARD_ZOLTRIX, /* the card id */ 279 "Zoltrix", /* the 'name' */ 280 NULL, /* the tuner */ 281 0, /* the tuner i2c address */ 282 0, /* dbx is optional */ 283 0, /* msp34xx is optional */ 284 0, /* dpl3518a is optional */ 285 0, /* EEProm type */ 286 0, /* EEProm size */ 287 { 0x04, 0x01, 0x00, 0x0a, 1 }, /* audio MUX values */ 288 0x0f }, /* GPIO mask */ 289 290 { CARD_KISS, /* the card id */ 291 "KISS TV/FM PCI", /* the 'name' */ 292 NULL, /* the tuner */ 293 0, /* the tuner i2c address */ 294 0, /* dbx is optional */ 295 0, /* msp34xx is optional */ 296 0, /* dpl3518a is optional */ 297 0, /* EEProm type */ 298 0, /* EEProm size */ 299 { 0x0c, 0x00, 0x0b, 0x0b, 1 }, /* audio MUX values */ 300 0x0f }, /* GPIO mask */ 301 302 { CARD_VIDEO_HIGHWAY_XTREME, /* the card id */ 303 "Video Highway Xtreme", /* the 'name' */ 304 NULL, /* the tuner */ 305 0, 306 0, 307 0, 308 0, 309 0, /* EEProm type */ 310 0, /* EEProm size */ 311 { 0x00, 0x02, 0x01, 0x04, 1 }, /* audio MUX values */ 312 0x0f }, /* GPIO mask */ 313 314 { CARD_ASKEY_DYNALINK_MAGIC_TVIEW, /* the card id */ 315 "Askey/Dynalink Magic TView", /* the 'name' */ 316 NULL, /* the tuner */ 317 0, 318 0, 319 0, 320 0, 321 0, /* EEProm type */ 322 0, /* EEProm size */ 323 { 0x400, 0xE00, 0x400, 0xC00, 1 }, /* audio MUX values */ 324 0xE00 }, /* GPIO mask */ 325 326 { CARD_LEADTEK, /* the card id */ 327 "Leadtek WinFast TV2000/VC100", /* the 'name' */ 328 NULL, /* the tuner */ 329 0, 330 0, 331 0, 332 0, 333 0, /* EEProm type */ 334 0, /* EEProm size */ 335 /* Tuner, Extern, Intern, Mute, Enabled */ 336 { 0x621000, 0x621000, 0x621000, 0xE21000, 1 }, /* audio MUX values */ 337 0xfff000 }, /* GPIO mask */ 338 339 { CARD_TERRATVPLUS, /* the card id */ 340 "TerraTVplus", /* the 'name' */ 341 NULL, /* the tuner */ 342 0, 343 0, 344 0, 345 0, 346 0, /* EEProm type */ 347 0, /* EEProm size */ 348 { 0x20000, 0x00000, 0x30000, 0x40000, 1 }, /* audio MUX values*/ 349 0x70000 }, /* GPIO mask */ 350 351 { CARD_TERRATVALUE, /* the card id */ 352 "Terratec TValue", /* the 'name' */ 353 NULL, /* the tuner */ 354 0, 355 0, 356 0, 357 0, 358 0, /* EEProm type */ 359 0, /* EEProm size */ 360 { 0x500, 0x900, 0x300, 0x900, 1 }, /* audio MUX values*/ 361 0xffff00 }, /* GPIO mask */ 362 363 }; 364 365 struct bt848_card_sig bt848_card_signature[1]= { 366 /* IMS TURBO TV : card 5 */ 367 { 5,9, {00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 02, 00, 00, 00}} 368 369 370 }; 371 372 373 /* 374 * Write to the configuration EEPROM on the card. 375 * This is dangerous and will mess up your card. Therefore it is not 376 * implemented. 377 */ 378 int 379 writeEEProm(bktr_ptr_t bktr, int offset, int count, 380 u_char *data) 381 { 382 return(-1); 383 } 384 385 /* 386 * Read the contents of the configuration EEPROM on the card. 387 * (This is not fitted to all makes of card. All Hauppauge cards have them 388 * and so do newer Bt878 based cards. 389 */ 390 int 391 readEEProm(bktr_ptr_t bktr, int offset, int count, u_char *data) 392 { 393 int x; 394 int addr; 395 int xmax; 396 int byte; 397 398 /* get the address of the EEProm */ 399 addr = (int)(bktr->card.eepromAddr & 0xff); 400 if (addr == 0) 401 return(-1); 402 403 xmax = (int)(bktr->card.eepromSize * EEPROMBLOCKSIZE); 404 if ((offset + count) > xmax) 405 return(-1); 406 407 /* set the start address */ 408 if (i2cWrite(bktr, addr, offset, -1) == -1) 409 return(-1); 410 411 /* the read cycle */ 412 for (x = 0; x < count; ++x) { 413 if ((byte = i2cRead(bktr, (addr | 1))) == -1) 414 return(-1); 415 data[x] = byte; 416 } 417 418 return(0); 419 } 420 421 422 #define ABSENT (-1) 423 424 /* 425 * get a signature of the card 426 * read all 128 possible i2c read addresses from 0x01 thru 0xff 427 * build a bit array with a 1 bit for each i2c device that responds 428 * 429 * XXX FIXME: use offset & count args 430 */ 431 int 432 signCard(bktr_ptr_t bktr, int offset, int count, u_char* sig) 433 { 434 int x; 435 436 for (x = 0; x < 16; ++x) 437 sig[x] = 0; 438 439 for (x = 0; x < count; ++x) { 440 if (i2cRead(bktr, (2 * x) + 1) != ABSENT) { 441 sig[x / 8] |= (1 << (x % 8)); 442 } 443 } 444 445 return(0); 446 } 447 448 449 /* 450 * check_for_i2c_devices. 451 * Some BT848 cards have no tuner and no additional i2c devices 452 * eg stereo decoder. These are used for video conferencing or capture from 453 * a video camera. (eg VideoLogic Captivator PCI, Intel SmartCapture card). 454 * 455 * Determine if there are any i2c devices present. There are none present if 456 * a) reading from all 128 devices returns ABSENT (-1) for each one 457 * (eg VideoLogic Captivator PCI with BT848) 458 * b) reading from all 128 devices returns 0 for each one 459 * (eg VideoLogic Captivator PCI rev. 2F with BT848A) 460 */ 461 static int check_for_i2c_devices(bktr_ptr_t bktr) { 462 int x, temp_read; 463 int i2c_all_0 = 1; 464 int i2c_all_absent = 1; 465 for (x = 0; x < 128; ++x) { 466 temp_read = i2cRead(bktr, (2 * x) + 1); 467 if (temp_read != 0) i2c_all_0 = 0; 468 if (temp_read != ABSENT) i2c_all_absent = 0; 469 } 470 471 if ((i2c_all_0) || (i2c_all_absent)) return 0; 472 else return 1; 473 } 474 475 476 /* 477 * Temic/Philips datasheets say tuners can be at i2c addresses 0xc0, 0xc2, 478 * 0xc4 or 0xc6, settable by links on the tuner. 479 * Determine the actual address used on the TV card by probing read addresses. 480 */ 481 static int locate_tuner_address(bktr_ptr_t bktr) { 482 if (i2cRead(bktr, 0xc1) != ABSENT) return 0xc0; 483 if (i2cRead(bktr, 0xc3) != ABSENT) return 0xc2; 484 if (i2cRead(bktr, 0xc5) != ABSENT) return 0xc4; 485 if (i2cRead(bktr, 0xc7) != ABSENT) return 0xc6; 486 return -1; /* no tuner found */ 487 } 488 489 490 /* 491 * Search for a configuration EEPROM on the i2c bus by looking at i2c addresses 492 * where EEPROMs are usually found. 493 * On some cards, the EEPROM appears in several locations, but all in the 494 * range 0xa0 to 0xae. 495 */ 496 static int locate_eeprom_address(bktr_ptr_t bktr) { 497 if (i2cRead(bktr, 0xa0) != ABSENT) return 0xa0; 498 if (i2cRead(bktr, 0xac) != ABSENT) return 0xac; 499 if (i2cRead(bktr, 0xae) != ABSENT) return 0xae; 500 return -1; /* no eeprom found */ 501 } 502 503 504 /* 505 * determine the card brand/model 506 * BKTR_OVERRIDE_CARD, BKTR_OVERRIDE_TUNER, BKTR_OVERRIDE_DBX and 507 * BKTR_OVERRIDE_MSP can be used to select a specific device, 508 * regardless of the autodetection and i2c device checks. 509 * 510 * The scheme used for probing cards faces these problems: 511 * It is impossible to work out which type of tuner is actually fitted, 512 * (the driver cannot tell if the Tuner is PAL or NTSC, Temic or Philips) 513 * It is impossible to determine what audio-mux hardware is connected. 514 * It is impossible to determine if there is extra hardware connected to the 515 * GPIO pins (eg radio chips or MSP34xx reset logic) 516 * 517 * However some makes of card (eg Hauppauge) come with a configuration eeprom 518 * which tells us the make of the card. Most eeproms also tell us the 519 * tuner type and other features of the cards. 520 * 521 * The current probe code works as follows 522 * A) If the card uses a Bt878/879: 523 * 1) Read the sub-system vendor id from the configuration EEPROM. 524 * Select the required tuner, audio mux arrangement and any other 525 * onboard features. If this fails, move to step B. 526 * B) If it card uses a Bt848, 848A, 849A or an unknown Bt878/879: 527 * 1) Look for I2C devices. If there are none fitted, it is an Intel or 528 * VideoLogic cards. 529 * 2) Look for a configuration EEPROM. 530 * 2a) If there is one at I2C address 0xa0 it may be 531 * a Hauppauge or an Osprey. Check the EEPROM contents to determine which 532 * one it is. For Hauppauge, select the tuner type and audio hardware. 533 * 2b) If there is an EEPROM at I2C address 0xa8 it will be an STB card. 534 * We still have to guess on the tuner type. 535 * 536 * C) If we do not know the card type from (A) or (B), guess at the tuner 537 * type based on the I2C address of the tuner. 538 * 539 * D) After determining the Tuner Type, we probe the i2c bus for other 540 * devices at known locations, eg IR-Remote Control, MSP34xx and TDA 541 * stereo chips. 542 */ 543 544 545 /* 546 * These are the sub-system vendor ID codes stored in the 547 * configuration EEPROM used on Bt878/879 cards. They should match the 548 * number assigned to the company by the PCI Special Interest Group 549 */ 550 #ifndef __NetBSD__ 551 #define PCI_VENDOR_HAUPPAUGE 0x0070 552 #define PCI_VENDOR_AVERMEDIA 0x1461 553 #define PCI_VENDOR_STB 0x10B4 554 #define PCI_VENDOR_ASKEY 0x144F 555 #define PCI_VENDOR_TERRATEC 0x153B 556 #endif 557 /* Following not confirmed with http://www.pcidatabase.com/, 558 so not added to NetBSD's pcidevs */ 559 #define PCI_VENDOR_LEADTEK_ALT 0x6606 560 #define PCI_VENDOR_LEADTEK_ALT_2 0x6607 561 #define PCI_VENDOR_LEADTEK_ALT_3 0x107D 562 #define PCI_VENDOR_FLYVIDEO 0x1851 563 #define PCI_VENDOR_FLYVIDEO_2 0x1852 564 #define PCI_VENDOR_PINNACLE_ALT 0xBD11 565 566 #define MODEL_TERRATVALUE_1118 0x1118 567 #define MODEL_TERRATVALUE_1134 0x1134 568 569 void 570 probeCard(bktr_ptr_t bktr, int verbose, int unit) 571 { 572 int card, i,j, card_found; 573 int status; 574 u_char probe_signature[128], *probe_temp; 575 int any_i2c_devices; 576 u_char eeprom[256]; 577 int tuner_i2c_address = -1; 578 int eeprom_i2c_address = -1; 579 580 /* Select all GPIO bits as inputs */ 581 OUTL(bktr, BKTR_GPIO_OUT_EN, 0); 582 if (bootverbose) 583 printf("%s: GPIO is 0x%08x\n", bktr_name(bktr), 584 INL(bktr, BKTR_GPIO_DATA)); 585 586 #ifdef HAUPPAUGE_MSP_RESET 587 /* Reset the MSP34xx audio chip. This resolves bootup card 588 * detection problems with old Bt848 based Hauppauge cards with 589 * MSP34xx stereo audio chips. This must be user enabled because 590 * at this point the probe function does not know the card type. */ 591 OUTL(bktr, BKTR_GPIO_OUT_EN, INL(bktr, BKTR_GPIO_OUT_EN) | (1<<5)); 592 OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5)); /* write '1' */ 593 DELAY(2500); /* wait 2.5ms */ 594 OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) & ~(1<<5)); /* write '0' */ 595 DELAY(2500); /* wait 2.5ms */ 596 OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5)); /* write '1' */ 597 DELAY(2500); /* wait 2.5ms */ 598 #endif 599 600 /* Check for the presence of i2c devices */ 601 any_i2c_devices = check_for_i2c_devices(bktr); 602 603 604 /* Check for a user specified override on the card selection */ 605 #if defined(BKTR_OVERRIDE_CARD) 606 bktr->card = cards[(card = BKTR_OVERRIDE_CARD)]; 607 goto checkEEPROM; 608 #endif 609 if (bktr->bt848_card != -1) { 610 bktr->card = cards[(card = bktr->bt848_card)]; 611 goto checkEEPROM; 612 } 613 614 615 /* No override, so try and determine the make of the card */ 616 617 /* On BT878/879 cards, read the sub-system vendor id */ 618 /* This identifies the manufacturer of the card and the model */ 619 /* In theory this can be read from PCI registers but this does not */ 620 /* appear to work on the FlyVideo 98. Hauppauge also warned that */ 621 /* the PCI registers are sometimes not loaded correctly. */ 622 /* Therefore, I will read the sub-system vendor ID from the EEPROM */ 623 /* (just like the Bt878 does during power up initialisation) */ 624 625 if ((bktr->id==BROOKTREE_878) || (bktr->id==BROOKTREE_879)) { 626 /* Try and locate the EEPROM */ 627 eeprom_i2c_address = locate_eeprom_address(bktr); 628 if (eeprom_i2c_address != -1) { 629 630 unsigned int subsystem_vendor_id; /* vendors PCI-SIG ID */ 631 unsigned int subsystem_id; /* board model number */ 632 unsigned int byte_252, byte_253, byte_254, byte_255; 633 634 bktr->card = cards[(card = CARD_UNKNOWN)]; 635 bktr->card.eepromAddr = eeprom_i2c_address; 636 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 637 638 if(readEEProm(bktr, 0, 256, (u_char *) &eeprom)) 639 printf("%s: error reading EEPROM\n", bktr_name(bktr)); 640 641 byte_252 = (unsigned int)eeprom[252]; 642 byte_253 = (unsigned int)eeprom[253]; 643 byte_254 = (unsigned int)eeprom[254]; 644 byte_255 = (unsigned int)eeprom[255]; 645 646 subsystem_id = (byte_252 << 8) | byte_253; 647 subsystem_vendor_id = (byte_254 << 8) | byte_255; 648 649 if (bootverbose) 650 printf("%s: subsystem 0x%04x 0x%04x\n", bktr_name(bktr), 651 subsystem_vendor_id, subsystem_id); 652 653 if (subsystem_vendor_id == PCI_VENDOR_AVERMEDIA) { 654 bktr->card = cards[(card = CARD_AVER_MEDIA)]; 655 bktr->card.eepromAddr = eeprom_i2c_address; 656 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 657 goto checkTuner; 658 } 659 660 if (subsystem_vendor_id == PCI_VENDOR_HAUPPAUGE) { 661 bktr->card = cards[(card = CARD_HAUPPAUGE)]; 662 bktr->card.eepromAddr = eeprom_i2c_address; 663 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 664 goto checkTuner; 665 } 666 667 if ((subsystem_vendor_id == PCI_VENDOR_FLYVIDEO) 668 || (subsystem_vendor_id == PCI_VENDOR_FLYVIDEO_2)) { 669 bktr->card = cards[(card = CARD_FLYVIDEO)]; 670 bktr->card.eepromAddr = eeprom_i2c_address; 671 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 672 goto checkTuner; 673 } 674 675 if (subsystem_vendor_id == PCI_VENDOR_STB) { 676 bktr->card = cards[(card = CARD_STB)]; 677 bktr->card.eepromAddr = eeprom_i2c_address; 678 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 679 goto checkTuner; 680 } 681 682 if (subsystem_vendor_id == PCI_VENDOR_ASKEY) { 683 bktr->card = cards[(card = CARD_ASKEY_DYNALINK_MAGIC_TVIEW)]; 684 bktr->card.eepromAddr = eeprom_i2c_address; 685 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 686 goto checkTuner; 687 } 688 689 if ((subsystem_vendor_id == PCI_VENDOR_LEADTEK) 690 || (subsystem_vendor_id == PCI_VENDOR_LEADTEK_ALT) 691 || (subsystem_vendor_id == PCI_VENDOR_LEADTEK_ALT_2) 692 || (subsystem_vendor_id == PCI_VENDOR_LEADTEK_ALT_3)) { 693 bktr->card = cards[(card = CARD_LEADTEK)]; 694 bktr->card.eepromAddr = eeprom_i2c_address; 695 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 696 goto checkTuner; 697 } 698 699 if (subsystem_vendor_id == PCI_VENDOR_PINNACLE_ALT) { 700 bktr->card = cards[(card = CARD_MIRO)]; 701 bktr->card.eepromAddr = eeprom_i2c_address; 702 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 703 goto checkTuner; 704 } 705 706 if (subsystem_vendor_id == PCI_VENDOR_TERRATEC 707 && (subsystem_id == MODEL_TERRATVALUE_1118 708 || subsystem_id == MODEL_TERRATVALUE_1134)) { 709 bktr->card = cards[(card = CARD_TERRATVALUE)]; 710 bktr->card.eepromAddr = eeprom_i2c_address; 711 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 712 goto checkTuner; 713 } 714 715 if (subsystem_vendor_id == PCI_VENDOR_TERRATEC) { 716 bktr->card = cards[(card = CARD_TERRATVPLUS)]; 717 bktr->card.eepromAddr = eeprom_i2c_address; 718 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 719 goto checkTuner; 720 } 721 722 /* Vendor is unknown. We will use the standard probe code */ 723 /* which may not give best results */ 724 printf("%s: Warning - card vendor 0x%04x (model 0x%04x) unknown.\n", 725 bktr_name(bktr), subsystem_vendor_id, subsystem_id); 726 } 727 else 728 { 729 printf("%s: Card has no configuration EEPROM. Cannot determine card make.\n", 730 bktr_name(bktr)); 731 } 732 } /* end of bt878/bt879 card detection code */ 733 734 /* If we get to this point, we must have a Bt848/848A/849A card */ 735 /* or a Bt878/879 with an unknown subsystem vendor id */ 736 /* Try and determine the make of card by clever i2c probing */ 737 738 /* Check for i2c devices. If none, move on */ 739 if (!any_i2c_devices) { 740 bktr->card = cards[(card = CARD_INTEL)]; 741 bktr->card.eepromAddr = 0; 742 bktr->card.eepromSize = 0; 743 goto checkTuner; 744 } 745 746 /* Look for Hauppauge, STB and Osprey cards by the presence */ 747 /* of an EEPROM */ 748 /* Note: Bt878 based cards also use EEPROMs so we can only do this */ 749 /* test on BT848/848A and 849A based cards. */ 750 if ((bktr->id==BROOKTREE_848) || 751 (bktr->id==BROOKTREE_848A) || 752 (bktr->id==BROOKTREE_849A)) { 753 754 /* At i2c address 0xa0, look for Hauppauge and Osprey cards */ 755 if ((status = i2cRead(bktr, PFC8582_RADDR)) != ABSENT) { 756 757 /* Read the eeprom contents */ 758 bktr->card = cards[(card = CARD_UNKNOWN)]; 759 bktr->card.eepromAddr = PFC8582_WADDR; 760 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 761 readEEProm(bktr, 0, 128, (u_char *) &eeprom); 762 763 /* For Hauppauge, check the EEPROM begins with 0x84 */ 764 if (eeprom[0] == 0x84) { 765 bktr->card = cards[(card = CARD_HAUPPAUGE)]; 766 bktr->card.eepromAddr = PFC8582_WADDR; 767 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 768 goto checkTuner; 769 } 770 771 /* For Osprey, check the EEPROM begins with "MMAC" */ 772 if ((eeprom[0] == 'M') &&(eeprom[1] == 'M') 773 &&(eeprom[2] == 'A') &&(eeprom[3] == 'C')) { 774 bktr->card = cards[(card = CARD_OSPREY)]; 775 bktr->card.eepromAddr = PFC8582_WADDR; 776 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 777 goto checkTuner; 778 } 779 printf("%s: Warning: Unknown card type. EEPROM data not recognised\n", 780 bktr_name(bktr)); 781 printf("%s: %x %x %x %x\n", bktr_name(bktr), 782 eeprom[0],eeprom[1],eeprom[2],eeprom[3]); 783 } 784 785 /* look for an STB card */ 786 if ((status = i2cRead(bktr, X24C01_RADDR)) != ABSENT) { 787 bktr->card = cards[(card = CARD_STB)]; 788 bktr->card.eepromAddr = X24C01_WADDR; 789 bktr->card.eepromSize = (u_char)(128 / EEPROMBLOCKSIZE); 790 goto checkTuner; 791 } 792 793 } 794 795 signCard(bktr, 1, 128, (u_char *) &probe_signature); 796 797 if (bootverbose) { 798 printf("%s: card signature: ", bktr_name(bktr)); 799 for (j = 0; j < Bt848_MAX_SIGN; j++) { 800 printf(" %02x ", probe_signature[j]); 801 } 802 printf("\n\n"); 803 } 804 for (i = 0; 805 i < (sizeof bt848_card_signature)/ sizeof (struct bt848_card_sig); 806 i++) { 807 808 card_found = 1; 809 probe_temp = (u_char *) &bt848_card_signature[i].signature; 810 811 for (j = 0; j < Bt848_MAX_SIGN; j++) { 812 if ((probe_temp[j] & 0xf) != (probe_signature[j] & 0xf)) { 813 card_found = 0; 814 break; 815 } 816 817 } 818 if (card_found) { 819 bktr->card = cards[card = bt848_card_signature[i].card]; 820 eeprom_i2c_address = locate_eeprom_address(bktr); 821 if (eeprom_i2c_address != -1) { 822 bktr->card.eepromAddr = eeprom_i2c_address; 823 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 824 } else { 825 bktr->card.eepromAddr = 0; 826 bktr->card.eepromSize = 0; 827 } 828 tuner_i2c_address = locate_tuner_address(bktr); 829 select_tuner(bktr, bt848_card_signature[i].tuner); 830 goto checkDBX; 831 } 832 } 833 834 /* We do not know the card type. Default to Miro */ 835 bktr->card = cards[(card = CARD_MIRO)]; 836 837 838 checkEEPROM: 839 /* look for a configuration eeprom */ 840 eeprom_i2c_address = locate_eeprom_address(bktr); 841 if (eeprom_i2c_address != -1) { 842 bktr->card.eepromAddr = eeprom_i2c_address; 843 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 844 } else { 845 bktr->card.eepromAddr = 0; 846 bktr->card.eepromSize = 0; 847 } 848 849 850 checkTuner: 851 852 /* look for a tuner */ 853 tuner_i2c_address = locate_tuner_address(bktr); 854 if (tuner_i2c_address == -1) { 855 select_tuner(bktr, NO_TUNER); 856 goto checkDBX; 857 } 858 859 #if defined(BKTR_OVERRIDE_TUNER) 860 select_tuner(bktr, BKTR_OVERRIDE_TUNER); 861 goto checkDBX; 862 #endif 863 if (bktr->bt848_tuner != -1) { 864 select_tuner(bktr, bktr->bt848_tuner & 0xff); 865 goto checkDBX; 866 } 867 868 /* Check for i2c devices */ 869 if (!any_i2c_devices) { 870 select_tuner(bktr, NO_TUNER); 871 goto checkDBX; 872 } 873 874 /* differentiate type of tuner */ 875 876 switch (card) { 877 case CARD_MIRO: 878 switch (((INL(bktr, BKTR_GPIO_DATA) >> 10)-1)&7) { 879 case 0: select_tuner(bktr, TEMIC_PAL); break; 880 case 1: select_tuner(bktr, PHILIPS_PAL); break; 881 case 2: select_tuner(bktr, PHILIPS_NTSC); break; 882 case 3: select_tuner(bktr, PHILIPS_SECAM); break; 883 case 4: select_tuner(bktr, NO_TUNER); break; 884 case 5: select_tuner(bktr, PHILIPS_PALI); break; 885 case 6: select_tuner(bktr, TEMIC_NTSC); break; 886 case 7: select_tuner(bktr, TEMIC_PALI); break; 887 } 888 goto checkDBX; 889 break; 890 891 case CARD_HAUPPAUGE: 892 /* Hauppauge kindly supplied the following Tuner Table */ 893 /* FIXME: I think the tuners the driver selects for types */ 894 /* 0x08 and 0x15 may be incorrect but no one has complained. */ 895 /* Old Temic tuners had their own API, but newer Temic tuners */ 896 /* have the same API as Philips tuners */ 897 /* 898 ID Tuner Model Format We select Format 899 0x00 NONE 900 0x01 EXTERNAL 901 0x02 OTHER 902 0x03 Philips FI1216 BG 903 0x04 Philips FI1216MF BGLL' PHILIPS_SECAM 904 0x05 Philips FI1236 MN PHILIPS_NTSC 905 0x06 Philips FI1246 I PHILIPS_PALI 906 0x07 Philips FI1256 DK 907 0x08 Philips FI1216 MK2 BG PHILIPS_PALI 908 0x09 Philips FI1216MF MK2 BGLL' PHILIPS_SECAM 909 0x0a Philips FI1236 MK2 MN PHILIPS_NTSC 910 0x0b Philips FI1246 MK2 I PHILIPS_PALI 911 0x0c Philips FI1256 MK2 DK 912 0x0d Temic 4032FY5 NTSC TEMIC_NTSC 913 0x0e Temic 4002FH5 BG TEMIC_PAL 914 0x0f Temic 4062FY5 I TEMIC_PALI 915 0x10 Philips FR1216 MK2 BG 916 0x11 Philips FR1216MF MK2 BGLL' PHILIPS_FR1236_SECAM 917 0x12 Philips FR1236 MK2 MN PHILIPS_FR1236_NTSC 918 0x13 Philips FR1246 MK2 I 919 0x14 Philips FR1256 MK2 DK 920 0x15 Philips FM1216 BG PHILIPS_FR1216_PAL 921 0x16 Philips FM1216MF BGLL' PHILIPS_FR1236_SECAM 922 0x17 Philips FM1236 MN PHILIPS_FR1236_NTSC 923 0x18 Philips FM1246 I 924 0x19 Philips FM1256 DK 925 0x1a Temic 4036FY5 MN (FI1236 MK2 clone) PHILIPS_NTSC 926 0x1b Samsung TCPN9082D MN 927 0x1c Samsung TCPM9092P Pal BG/I/DK 928 0x1d Temic 4006FH5 BG PHILIPS_PALI 929 0x1e Samsung TCPN9085D MN/Radio 930 0x1f Samsung TCPB9085P Pal BG/I/DK / Radio 931 0x20 Samsung TCPL9091P Pal BG & Secam L/L' 932 0x21 Temic 4039FY5 NTSC Radio 933 0x22 Philips FQ1216ME Pal BGIDK & Secam L/L' 934 0x23 Temic 4066FY5 Pal I (FI1246 MK2 clone) PHILIPS_PALI 935 0x24 Philips TD1536 MN/ATSCDigital 936 0x25 Philips TD1536D MN/ATSCDigital DUAL INPUT 937 0x26 Philips FMR1236 M/N FM(no demod) 938 0x27 Philips FI1256MP B/G, D/K 939 0x28 Samsung TCPQ9091P BG/I/DK, L/L' 940 0x29 Temic 4006FN5 BG/I/DK 941 0x2a Temic 4009FR5 BG FM PHILIPS_FR1216_PAL 942 0x2b Temic 4046FM5 B/G, I, D/K, L/L' 943 0x2c Temic 4009FN5 B/G, I, D/K, FM (no demod) 944 0x2d Philips TD1536D_FH_44 MN/ATSCDigital DUAL INPUT 945 */ 946 947 948 /* Determine the model number from the eeprom */ 949 if (bktr->card.eepromAddr != 0) { 950 /* eeprom data block structure */ 951 unsigned char *block_1, *block_2, *block_3; 952 int block_1_data_size, block_2_data_size; 953 int block_1_total_size, block_2_total_size; 954 955 unsigned int model,revision; 956 unsigned char tuner_code; 957 unsigned char no_audio_mux; 958 959 readEEProm(bktr, 0, 128, (u_char *) &eeprom); 960 961 /* LOCATE THE EEPROM DATA BLOCKS */ 962 block_1 = &eeprom[0]; 963 block_1_data_size = (block_1[2] << 8 | block_1[1]); 964 block_1_total_size = block_1_data_size + 3; /* Header bytes */ 965 966 block_2 = &eeprom[block_1_total_size]; 967 block_2_data_size = (block_2[2] << 8 | block_2[1]); 968 block_2_total_size = block_2_data_size + 3; /* Header bytes */ 969 970 block_3 = &eeprom[block_1_total_size + block_2_total_size]; 971 972 model = (block_1[12] << 8 | block_1[11]); 973 revision = (block_1[15] << 16 | block_1[14] << 8 | block_1[13]); 974 975 tuner_code = block_1[9]; 976 977 no_audio_mux = ((block_3[3] >> 7) &0x01); 978 979 if (no_audio_mux) bktr->audio_mux_present = 0; 980 981 if (verbose) 982 printf("%s: Hauppauge Model %d %c%c%c%c\n", 983 bktr_name(bktr), 984 model, 985 ((revision >> 18) & 0x3f) + 32, 986 ((revision >> 12) & 0x3f) + 32, 987 ((revision >> 6) & 0x3f) + 32, 988 ((revision >> 0) & 0x3f) + 32); 989 990 /* Determine the tuner type from the eeprom */ 991 992 switch (tuner_code) { 993 994 case 0x5: 995 case 0x0a: 996 case 0x1a: 997 select_tuner(bktr, PHILIPS_NTSC); 998 goto checkDBX; 999 1000 case 0x4: 1001 case 0x9: 1002 select_tuner(bktr, PHILIPS_SECAM); 1003 goto checkDBX; 1004 1005 case 0x11: 1006 case 0x16: 1007 select_tuner(bktr, PHILIPS_FR1236_SECAM); 1008 goto checkDBX; 1009 1010 case 0x12: 1011 case 0x17: 1012 case 0x21: /* Hauppauge WinTV-GO-FM (model 00191) */ 1013 select_tuner(bktr, PHILIPS_FR1236_NTSC); 1014 goto checkDBX; 1015 1016 case 0x6: 1017 case 0x8: 1018 case 0xb: 1019 case 0x1d: 1020 case 0x23: 1021 select_tuner(bktr, PHILIPS_PALI); 1022 goto checkDBX; 1023 1024 case 0xd: 1025 select_tuner(bktr, TEMIC_NTSC); 1026 goto checkDBX; 1027 1028 case 0xe: 1029 select_tuner(bktr, TEMIC_PAL); 1030 goto checkDBX; 1031 1032 case 0xf: 1033 select_tuner(bktr, TEMIC_PALI); 1034 goto checkDBX; 1035 1036 case 0x15: 1037 select_tuner(bktr, PHILIPS_FR1216_PAL); 1038 goto checkDBX; 1039 1040 case 0x2a: 1041 bktr->msp_use_mono_source = 1; 1042 select_tuner(bktr, PHILIPS_FR1216_PAL); 1043 goto checkDBX; 1044 1045 default : 1046 printf("%s: Warning - Unknown Hauppauge Tuner 0x%x\n", 1047 bktr_name(bktr), tuner_code); 1048 } 1049 } 1050 break; 1051 1052 1053 case CARD_AVER_MEDIA: 1054 /* AVerMedia kindly supplied some details of their EEPROM contents 1055 * which allow us to auto select the Tuner Type. 1056 * Only the newer AVerMedia cards actually have an EEPROM. 1057 */ 1058 if (bktr->card.eepromAddr != 0) { 1059 1060 u_char tuner_make; /* Eg Philips, Temic */ 1061 u_char tuner_tv_fm; /* TV or TV with FM Radio */ 1062 u_char tuner_format; /* Eg NTSC, PAL, SECAM */ 1063 int tuner; 1064 1065 int tuner_0_table[] = { 1066 PHILIPS_NTSC, PHILIPS_PAL, 1067 PHILIPS_PAL, PHILIPS_PAL, 1068 PHILIPS_PAL, PHILIPS_PAL, 1069 PHILIPS_SECAM, PHILIPS_SECAM, 1070 PHILIPS_SECAM, PHILIPS_PAL}; 1071 1072 int tuner_0_fm_table[] = { 1073 PHILIPS_FR1236_NTSC, PHILIPS_FR1216_PAL, 1074 PHILIPS_FR1216_PAL, PHILIPS_FR1216_PAL, 1075 PHILIPS_FR1216_PAL, PHILIPS_FR1216_PAL, 1076 PHILIPS_FR1236_SECAM, PHILIPS_FR1236_SECAM, 1077 PHILIPS_FR1236_SECAM, PHILIPS_FR1216_PAL}; 1078 1079 int tuner_1_table[] = { 1080 TEMIC_NTSC, TEMIC_PAL, TEMIC_PAL, 1081 TEMIC_PAL, TEMIC_PAL, TEMIC_PAL, 1082 TEMIC_SECAM, TEMIC_SECAM, TEMIC_SECAM, 1083 TEMIC_PAL}; 1084 1085 1086 /* Extract information from the EEPROM data */ 1087 readEEProm(bktr, 0, 128, (u_char *) &eeprom); 1088 1089 tuner_make = (eeprom[0x41] & 0x7); 1090 tuner_tv_fm = (eeprom[0x41] & 0x18) >> 3; 1091 tuner_format = (eeprom[0x42] & 0xf0) >> 4; 1092 1093 /* Treat tuner make 0 (Philips) and make 2 (LG) the same */ 1094 if (((tuner_make == 0) || (tuner_make == 2)) 1095 && (tuner_format <= 9) && (tuner_tv_fm == 0)) { 1096 tuner = tuner_0_table[tuner_format]; 1097 select_tuner(bktr, tuner); 1098 goto checkDBX; 1099 } 1100 1101 if (((tuner_make == 0) || (tuner_make == 2)) 1102 && (tuner_format <= 9) && (tuner_tv_fm == 1)) { 1103 tuner = tuner_0_fm_table[tuner_format]; 1104 select_tuner(bktr, tuner); 1105 goto checkDBX; 1106 } 1107 1108 if ((tuner_make == 1) && (tuner_format <= 9)) { 1109 tuner = tuner_1_table[tuner_format]; 1110 select_tuner(bktr, tuner); 1111 goto checkDBX; 1112 } 1113 1114 printf("%s: Warning - Unknown AVerMedia Tuner Make %d Format %d\n", 1115 bktr_name(bktr), tuner_make, tuner_format); 1116 } 1117 break; 1118 1119 case CARD_LEADTEK: 1120 #if BKTR_SYSTEM_DEFAULT == BROOKTREE_PAL 1121 select_tuner(bktr, PHILIPS_FR1216_PAL); 1122 #else 1123 select_tuner(bktr, PHILIPS_FR1236_NTSC); 1124 #endif 1125 goto checkDBX; 1126 break; 1127 1128 case CARD_TERRATVALUE: 1129 select_tuner(bktr, PHILIPS_PAL); 1130 goto checkDBX; 1131 break; 1132 1133 } /* end switch(card) */ 1134 1135 1136 /* At this point, a goto checkDBX has not occurred */ 1137 /* We have not been able to select a Tuner */ 1138 /* Some cards make use of the tuner address to */ 1139 /* identify the make/model of tuner */ 1140 1141 /* At address 0xc0/0xc1 we often find a TEMIC NTSC */ 1142 if (i2cRead(bktr, 0xc1) != ABSENT) { 1143 select_tuner(bktr, TEMIC_NTSC); 1144 goto checkDBX; 1145 } 1146 1147 /* At address 0xc6/0xc7 we often find a PHILIPS NTSC Tuner */ 1148 if (i2cRead(bktr, 0xc7) != ABSENT) { 1149 select_tuner(bktr, PHILIPS_NTSC); 1150 goto checkDBX; 1151 } 1152 1153 /* Address 0xc2/0xc3 is default (or common address) for several */ 1154 /* tuners and we cannot tell which is which. */ 1155 /* And for all other tuner i2c addresses, select the default */ 1156 select_tuner(bktr, DEFAULT_TUNER); 1157 1158 1159 checkDBX: 1160 #if defined(BKTR_OVERRIDE_DBX) 1161 bktr->card.dbx = BKTR_OVERRIDE_DBX; 1162 goto checkMSP; 1163 #endif 1164 /* Check for i2c devices */ 1165 if (!any_i2c_devices) { 1166 goto checkMSP; 1167 } 1168 1169 /* probe for BTSC (dbx) chip */ 1170 if (i2cRead(bktr, TDA9850_RADDR) != ABSENT) 1171 bktr->card.dbx = 1; 1172 1173 checkMSP: 1174 /* If this is a Hauppauge Bt878 card, we need to enable the 1175 * MSP 34xx audio chip. 1176 * If this is a Hauppauge Bt848 card, reset the MSP device. 1177 * The MSP reset line is wired to GPIO pin 5. On Bt878 cards a pulldown 1178 * resistor holds the device in reset until we set GPIO pin 5. 1179 */ 1180 1181 /* Optionally skip the MSP reset. This is handy if you initialise the 1182 * MSP audio in another operating system (eg Windows) first and then 1183 * do a soft reboot. 1184 */ 1185 1186 #ifndef BKTR_NO_MSP_RESET 1187 if (card == CARD_HAUPPAUGE) { 1188 OUTL(bktr, BKTR_GPIO_OUT_EN, INL(bktr, BKTR_GPIO_OUT_EN) | (1<<5)); 1189 OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5)); /* write '1' */ 1190 DELAY(2500); /* wait 2.5ms */ 1191 OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) & ~(1<<5)); /* write '0' */ 1192 DELAY(2500); /* wait 2.5ms */ 1193 OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5)); /* write '1' */ 1194 DELAY(2500); /* wait 2.5ms */ 1195 } 1196 #endif 1197 1198 #if defined(BKTR_OVERRIDE_MSP) 1199 bktr->card.msp3400c = BKTR_OVERRIDE_MSP; 1200 goto checkMSPEnd; 1201 #endif 1202 1203 /* Check for i2c devices */ 1204 if (!any_i2c_devices) { 1205 goto checkMSPEnd; 1206 } 1207 1208 if (i2cRead(bktr, MSP3400C_RADDR) != ABSENT) { 1209 bktr->card.msp3400c = 1; 1210 } 1211 1212 checkMSPEnd: 1213 1214 if (bktr->card.msp3400c) { 1215 bktr->msp_addr = MSP3400C_WADDR; 1216 msp_read_id(bktr); 1217 printf("%s: Detected a MSP%s at 0x%x\n", bktr_name(bktr), 1218 bktr->msp_version_string, 1219 bktr->msp_addr); 1220 1221 } 1222 1223 /* Check for Dolby Surround Sound DPL3518A sound chip */ 1224 if (i2cRead(bktr, DPL3518A_RADDR) != ABSENT) { 1225 bktr->card.dpl3518a = 1; 1226 } 1227 1228 if (bktr->card.dpl3518a) { 1229 bktr->dpl_addr = DPL3518A_WADDR; 1230 dpl_read_id(bktr); 1231 printf("%s: Detected a DPL%s at 0x%x\n", bktr_name(bktr), 1232 bktr->dpl_version_string, 1233 bktr->dpl_addr); 1234 } 1235 1236 /* Start of Check Remote */ 1237 /* Check for the Hauppauge IR Remote Control */ 1238 /* If there is an external unit, the internal will be ignored */ 1239 1240 bktr->remote_control = 0; /* initial value */ 1241 1242 if (any_i2c_devices) { 1243 if (i2cRead(bktr, HAUP_REMOTE_EXT_RADDR) != ABSENT) 1244 { 1245 bktr->remote_control = 1; 1246 bktr->remote_control_addr = HAUP_REMOTE_EXT_RADDR; 1247 } 1248 else if (i2cRead(bktr, HAUP_REMOTE_INT_RADDR) != ABSENT) 1249 { 1250 bktr->remote_control = 1; 1251 bktr->remote_control_addr = HAUP_REMOTE_INT_RADDR; 1252 } 1253 1254 } 1255 /* If a remote control is found, poll it 5 times to turn off the LED */ 1256 if (bktr->remote_control) { 1257 int ii; 1258 for (ii=0; ii<5; ii++) 1259 i2cRead(bktr, bktr->remote_control_addr); 1260 } 1261 /* End of Check Remote */ 1262 1263 #if defined(BKTR_USE_PLL) 1264 bktr->xtal_pll_mode = BT848_USE_PLL; 1265 goto checkPLLEnd; 1266 #endif 1267 /* Default is to use XTALS and not PLL mode */ 1268 bktr->xtal_pll_mode = BT848_USE_XTALS; 1269 1270 /* Enable PLL mode for OSPREY users */ 1271 if (card == CARD_OSPREY) 1272 bktr->xtal_pll_mode = BT848_USE_PLL; 1273 1274 /* Enable PLL mode for Video Highway Xtreme users */ 1275 if (card == CARD_VIDEO_HIGHWAY_XTREME) 1276 bktr->xtal_pll_mode = BT848_USE_PLL; 1277 1278 1279 /* Most (perhaps all) Bt878 cards need to be switched to PLL mode */ 1280 /* as they only fit the NTSC crystal to their cards */ 1281 /* Default to enabling PLL mode for all Bt878/879 cards */ 1282 1283 if ((bktr->id==BROOKTREE_878 || bktr->id==BROOKTREE_879)) 1284 bktr->xtal_pll_mode = BT848_USE_PLL; 1285 1286 1287 #if defined(BKTR_USE_PLL) 1288 checkPLLEnd: 1289 #endif 1290 1291 1292 bktr->card.tuner_pllAddr = tuner_i2c_address; 1293 1294 if (verbose) { 1295 printf("%s: %s", bktr_name(bktr), bktr->card.name); 1296 if (bktr->card.tuner) 1297 printf(", %s tuner", bktr->card.tuner->name); 1298 if (bktr->card.dbx) 1299 printf(", dbx stereo"); 1300 if (bktr->card.msp3400c) 1301 printf(", msp3400c stereo"); 1302 if (bktr->card.dpl3518a) 1303 printf(", dpl3518a dolby"); 1304 if (bktr->remote_control) 1305 printf(", remote control"); 1306 printf(".\n"); 1307 } 1308 } 1309 1310 #undef ABSENT 1311
Indexes created Sat Sep 20 22:09:52 GMT 2025