bktr_card.c revision 1.21
1 /* $SourceForge: bktr_card.c,v 1.3 2003/03/11 23:11:21 thomasklausner Exp $ */ 2 3 /* $NetBSD: bktr_card.c,v 1.21 2005/12/06 23:43:57 wiz 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 1.21 2005/12/06 23:43:57 wiz 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 <machine/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, u_char *data) 380 { 381 return(-1); 382 } 383 384 /* 385 * Read the contents of the configuration EEPROM on the card. 386 * (This is not fitted to all makes of card. All Hauppauge cards have them 387 * and so do newer Bt878 based cards. 388 */ 389 int 390 readEEProm(bktr_ptr_t bktr, int offset, int count, u_char *data) 391 { 392 int x; 393 int addr; 394 int xmax; 395 int byte; 396 397 /* get the address of the EEProm */ 398 addr = (int)(bktr->card.eepromAddr & 0xff); 399 if (addr == 0) 400 return(-1); 401 402 xmax = (int)(bktr->card.eepromSize * EEPROMBLOCKSIZE); 403 if ((offset + count) > xmax) 404 return(-1); 405 406 /* set the start address */ 407 if (i2cWrite(bktr, addr, offset, -1) == -1) 408 return(-1); 409 410 /* the read cycle */ 411 for (x = 0; x < count; ++x) { 412 if ((byte = i2cRead(bktr, (addr | 1))) == -1) 413 return(-1); 414 data[x] = byte; 415 } 416 417 return(0); 418 } 419 420 421 #define ABSENT (-1) 422 423 /* 424 * get a signature of the card 425 * read all 128 possible i2c read addresses from 0x01 thru 0xff 426 * build a bit array with a 1 bit for each i2c device that responds 427 * 428 * XXX FIXME: use offset & count args 429 */ 430 int 431 signCard(bktr_ptr_t bktr, int offset, int count, u_char* sig) 432 { 433 int x; 434 435 for (x = 0; x < 16; ++x) 436 sig[x] = 0; 437 438 for (x = 0; x < count; ++x) { 439 if (i2cRead(bktr, (2 * x) + 1) != ABSENT) { 440 sig[x / 8] |= (1 << (x % 8)); 441 } 442 } 443 444 return(0); 445 } 446 447 448 /* 449 * check_for_i2c_devices. 450 * Some BT848 cards have no tuner and no additional i2c devices 451 * eg stereo decoder. These are used for video conferencing or capture from 452 * a video camera. (eg VideoLogic Captivator PCI, Intel SmartCapture card). 453 * 454 * Determine if there are any i2c devices present. There are none present if 455 * a) reading from all 128 devices returns ABSENT (-1) for each one 456 * (eg VideoLogic Captivator PCI with BT848) 457 * b) reading from all 128 devices returns 0 for each one 458 * (eg VideoLogic Captivator PCI rev. 2F with BT848A) 459 */ 460 static int check_for_i2c_devices(bktr_ptr_t bktr) { 461 int x, temp_read; 462 int i2c_all_0 = 1; 463 int i2c_all_absent = 1; 464 for (x = 0; x < 128; ++x) { 465 temp_read = i2cRead(bktr, (2 * x) + 1); 466 if (temp_read != 0) i2c_all_0 = 0; 467 if (temp_read != ABSENT) i2c_all_absent = 0; 468 } 469 470 if ((i2c_all_0) || (i2c_all_absent)) return 0; 471 else return 1; 472 } 473 474 475 /* 476 * Temic/Philips datasheets say tuners can be at i2c addresses 0xc0, 0xc2, 477 * 0xc4 or 0xc6, settable by links on the tuner. 478 * Determine the actual address used on the TV card by probing read addresses. 479 */ 480 static int locate_tuner_address(bktr_ptr_t bktr) { 481 if (i2cRead(bktr, 0xc1) != ABSENT) return 0xc0; 482 if (i2cRead(bktr, 0xc3) != ABSENT) return 0xc2; 483 if (i2cRead(bktr, 0xc5) != ABSENT) return 0xc4; 484 if (i2cRead(bktr, 0xc7) != ABSENT) return 0xc6; 485 return -1; /* no tuner found */ 486 } 487 488 489 /* 490 * Search for a configuration EEPROM on the i2c bus by looking at i2c addresses 491 * where EEPROMs are usually found. 492 * On some cards, the EEPROM appears in several locations, but all in the 493 * range 0xa0 to 0xae. 494 */ 495 static int locate_eeprom_address(bktr_ptr_t bktr) { 496 if (i2cRead(bktr, 0xa0) != ABSENT) return 0xa0; 497 if (i2cRead(bktr, 0xac) != ABSENT) return 0xac; 498 if (i2cRead(bktr, 0xae) != ABSENT) return 0xae; 499 return -1; /* no eeprom found */ 500 } 501 502 503 /* 504 * determine the card brand/model 505 * BKTR_OVERRIDE_CARD, BKTR_OVERRIDE_TUNER, BKTR_OVERRIDE_DBX and 506 * BKTR_OVERRIDE_MSP can be used to select a specific device, 507 * regardless of the autodetection and i2c device checks. 508 * 509 * The scheme used for probing cards faces these problems: 510 * It is impossible to work out which type of tuner is actually fitted, 511 * (the driver cannot tell if the Tuner is PAL or NTSC, Temic or Philips) 512 * It is impossible to determine what audio-mux hardware is connected. 513 * It is impossible to determine if there is extra hardware connected to the 514 * GPIO pins (eg radio chips or MSP34xx reset logic) 515 * 516 * However some makes of card (eg Hauppauge) come with a configuration eeprom 517 * which tells us the make of the card. Most eeproms also tell us the 518 * tuner type and other features of the cards. 519 * 520 * The current probe code works as follows 521 * A) If the card uses a Bt878/879: 522 * 1) Read the sub-system vendor id from the configuration EEPROM. 523 * Select the required tuner, audio mux arrangement and any other 524 * onboard features. If this fails, move to step B. 525 * B) If it card uses a Bt848, 848A, 849A or an unknown Bt878/879: 526 * 1) Look for I2C devices. If there are none fitted, it is an Intel or 527 * VideoLogic cards. 528 * 2) Look for a configuration EEPROM. 529 * 2a) If there is one at I2C address 0xa0 it may be 530 * a Hauppauge or an Osprey. Check the EEPROM contents to determine which 531 * one it is. For Hauppauge, select the tuner type and audio hardware. 532 * 2b) If there is an EEPROM at I2C address 0xa8 it will be an STB card. 533 * We still have to guess on the tuner type. 534 * 535 * C) If we do not know the card type from (A) or (B), guess at the tuner 536 * type based on the I2C address of the tuner. 537 * 538 * D) After determining the Tuner Type, we probe the i2c bus for other 539 * devices at known locations, eg IR-Remote Control, MSP34xx and TDA 540 * stereo chips. 541 */ 542 543 544 /* 545 * These are the sub-system vendor ID codes stored in the 546 * configuration EEPROM used on Bt878/879 cards. They should match the 547 * number assigned to the company by the PCI Special Interest Group 548 */ 549 #ifndef __NetBSD__ 550 #define PCI_VENDOR_HAUPPAUGE 0x0070 551 #define PCI_VENDOR_AVERMEDIA 0x1461 552 #define PCI_VENDOR_STB 0x10B4 553 #define PCI_VENDOR_ASKEY 0x144F 554 #define PCI_VENDOR_TERRATEC 0x153B 555 #endif 556 /* Following not confirmed with http://www.pcidatabase.com/, 557 so not added to NetBSD's pcidevs */ 558 #define PCI_VENDOR_LEADTEK_ALT 0x6606 559 #define PCI_VENDOR_LEADTEK_ALT_2 0x6607 560 #define PCI_VENDOR_LEADTEK_ALT_3 0x107D 561 #define PCI_VENDOR_FLYVIDEO 0x1851 562 #define PCI_VENDOR_FLYVIDEO_2 0x1852 563 #define PCI_VENDOR_PINNACLE_ALT 0xBD11 564 565 #define MODEL_TERRATVALUE_1118 0x1118 566 #define MODEL_TERRATVALUE_1134 0x1134 567 568 void 569 probeCard(bktr_ptr_t bktr, int verbose, int unit) 570 { 571 int card, i,j, card_found; 572 int status; 573 u_char probe_signature[128], *probe_temp; 574 int any_i2c_devices; 575 u_char eeprom[256]; 576 int tuner_i2c_address = -1; 577 int eeprom_i2c_address = -1; 578 579 /* Select all GPIO bits as inputs */ 580 OUTL(bktr, BKTR_GPIO_OUT_EN, 0); 581 if (bootverbose) 582 printf("%s: GPIO is 0x%08x\n", bktr_name(bktr), 583 INL(bktr, BKTR_GPIO_DATA)); 584 585 #ifdef HAUPPAUGE_MSP_RESET 586 /* Reset the MSP34xx audio chip. This resolves bootup card 587 * detection problems with old Bt848 based Hauppauge cards with 588 * MSP34xx stereo audio chips. This must be user enabled because 589 * at this point the probe function does not know the card type. */ 590 OUTL(bktr, BKTR_GPIO_OUT_EN, INL(bktr, BKTR_GPIO_OUT_EN) | (1<<5)); 591 OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5)); /* write '1' */ 592 DELAY(2500); /* wait 2.5ms */ 593 OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) & ~(1<<5)); /* write '0' */ 594 DELAY(2500); /* wait 2.5ms */ 595 OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5)); /* write '1' */ 596 DELAY(2500); /* wait 2.5ms */ 597 #endif 598 599 /* Check for the presence of i2c devices */ 600 any_i2c_devices = check_for_i2c_devices(bktr); 601 602 603 /* Check for a user specified override on the card selection */ 604 #if defined(BKTR_OVERRIDE_CARD) 605 bktr->card = cards[(card = BKTR_OVERRIDE_CARD)]; 606 goto checkEEPROM; 607 #endif 608 if (bktr->bt848_card != -1) { 609 bktr->card = cards[(card = bktr->bt848_card)]; 610 goto checkEEPROM; 611 } 612 613 614 /* No override, so try and determine the make of the card */ 615 616 /* On BT878/879 cards, read the sub-system vendor id */ 617 /* This identifies the manufacturer of the card and the model */ 618 /* In theory this can be read from PCI registers but this does not */ 619 /* appear to work on the FlyVideo 98. Hauppauge also warned that */ 620 /* the PCI registers are sometimes not loaded correctly. */ 621 /* Therefore, I will read the sub-system vendor ID from the EEPROM */ 622 /* (just like the Bt878 does during power up initialisation) */ 623 624 if ((bktr->id==BROOKTREE_878) || (bktr->id==BROOKTREE_879)) { 625 /* Try and locate the EEPROM */ 626 eeprom_i2c_address = locate_eeprom_address(bktr); 627 if (eeprom_i2c_address != -1) { 628 629 unsigned int subsystem_vendor_id; /* vendors PCI-SIG ID */ 630 unsigned int subsystem_id; /* board model number */ 631 unsigned int byte_252, byte_253, byte_254, byte_255; 632 633 bktr->card = cards[(card = CARD_UNKNOWN)]; 634 bktr->card.eepromAddr = eeprom_i2c_address; 635 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 636 637 if(readEEProm(bktr, 0, 256, (u_char *) &eeprom)) 638 printf("%s: error reading EEPROM\n", bktr_name(bktr)); 639 640 byte_252 = (unsigned int)eeprom[252]; 641 byte_253 = (unsigned int)eeprom[253]; 642 byte_254 = (unsigned int)eeprom[254]; 643 byte_255 = (unsigned int)eeprom[255]; 644 645 subsystem_id = (byte_252 << 8) | byte_253; 646 subsystem_vendor_id = (byte_254 << 8) | byte_255; 647 648 if (bootverbose) 649 printf("%s: subsystem 0x%04x 0x%04x\n", bktr_name(bktr), 650 subsystem_vendor_id, subsystem_id); 651 652 if (subsystem_vendor_id == PCI_VENDOR_AVERMEDIA) { 653 bktr->card = cards[(card = CARD_AVER_MEDIA)]; 654 bktr->card.eepromAddr = eeprom_i2c_address; 655 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 656 goto checkTuner; 657 } 658 659 if (subsystem_vendor_id == PCI_VENDOR_HAUPPAUGE) { 660 bktr->card = cards[(card = CARD_HAUPPAUGE)]; 661 bktr->card.eepromAddr = eeprom_i2c_address; 662 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 663 goto checkTuner; 664 } 665 666 if ((subsystem_vendor_id == PCI_VENDOR_FLYVIDEO) 667 || (subsystem_vendor_id == PCI_VENDOR_FLYVIDEO_2)) { 668 bktr->card = cards[(card = CARD_FLYVIDEO)]; 669 bktr->card.eepromAddr = eeprom_i2c_address; 670 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 671 goto checkTuner; 672 } 673 674 if (subsystem_vendor_id == PCI_VENDOR_STB) { 675 bktr->card = cards[(card = CARD_STB)]; 676 bktr->card.eepromAddr = eeprom_i2c_address; 677 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 678 goto checkTuner; 679 } 680 681 if (subsystem_vendor_id == PCI_VENDOR_ASKEY) { 682 bktr->card = cards[(card = CARD_ASKEY_DYNALINK_MAGIC_TVIEW)]; 683 bktr->card.eepromAddr = eeprom_i2c_address; 684 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 685 goto checkTuner; 686 } 687 688 if ((subsystem_vendor_id == PCI_VENDOR_LEADTEK) 689 || (subsystem_vendor_id == PCI_VENDOR_LEADTEK_ALT) 690 || (subsystem_vendor_id == PCI_VENDOR_LEADTEK_ALT_2) 691 || (subsystem_vendor_id == PCI_VENDOR_LEADTEK_ALT_3)) { 692 bktr->card = cards[(card = CARD_LEADTEK)]; 693 bktr->card.eepromAddr = eeprom_i2c_address; 694 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 695 goto checkTuner; 696 } 697 698 if (subsystem_vendor_id == PCI_VENDOR_PINNACLE_ALT) { 699 bktr->card = cards[(card = CARD_MIRO)]; 700 bktr->card.eepromAddr = eeprom_i2c_address; 701 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 702 goto checkTuner; 703 } 704 705 if (subsystem_vendor_id == PCI_VENDOR_TERRATEC 706 && (subsystem_id == MODEL_TERRATVALUE_1118 707 || subsystem_id == MODEL_TERRATVALUE_1134)) { 708 bktr->card = cards[(card = CARD_TERRATVALUE)]; 709 bktr->card.eepromAddr = eeprom_i2c_address; 710 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 711 goto checkTuner; 712 } 713 714 if (subsystem_vendor_id == PCI_VENDOR_TERRATEC) { 715 bktr->card = cards[(card = CARD_TERRATVPLUS)]; 716 bktr->card.eepromAddr = eeprom_i2c_address; 717 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 718 goto checkTuner; 719 } 720 721 /* Vendor is unknown. We will use the standard probe code */ 722 /* which may not give best results */ 723 printf("%s: Warning - card vendor 0x%04x (model 0x%04x) unknown.\n", 724 bktr_name(bktr), subsystem_vendor_id, subsystem_id); 725 } 726 else 727 { 728 printf("%s: Card has no configuration EEPROM. Cannot determine card make.\n", 729 bktr_name(bktr)); 730 } 731 } /* end of bt878/bt879 card detection code */ 732 733 /* If we get to this point, we must have a Bt848/848A/849A card */ 734 /* or a Bt878/879 with an unknown subsystem vendor id */ 735 /* Try and determine the make of card by clever i2c probing */ 736 737 /* Check for i2c devices. If none, move on */ 738 if (!any_i2c_devices) { 739 bktr->card = cards[(card = CARD_INTEL)]; 740 bktr->card.eepromAddr = 0; 741 bktr->card.eepromSize = 0; 742 goto checkTuner; 743 } 744 745 /* Look for Hauppauge, STB and Osprey cards by the presence */ 746 /* of an EEPROM */ 747 /* Note: Bt878 based cards also use EEPROMs so we can only do this */ 748 /* test on BT848/848A and 849A based cards. */ 749 if ((bktr->id==BROOKTREE_848) || 750 (bktr->id==BROOKTREE_848A) || 751 (bktr->id==BROOKTREE_849A)) { 752 753 /* At i2c address 0xa0, look for Hauppauge and Osprey cards */ 754 if ((status = i2cRead(bktr, PFC8582_RADDR)) != ABSENT) { 755 756 /* Read the eeprom contents */ 757 bktr->card = cards[(card = CARD_UNKNOWN)]; 758 bktr->card.eepromAddr = PFC8582_WADDR; 759 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 760 readEEProm(bktr, 0, 128, (u_char *) &eeprom); 761 762 /* For Hauppauge, check the EEPROM begins with 0x84 */ 763 if (eeprom[0] == 0x84) { 764 bktr->card = cards[(card = CARD_HAUPPAUGE)]; 765 bktr->card.eepromAddr = PFC8582_WADDR; 766 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 767 goto checkTuner; 768 } 769 770 /* For Osprey, check the EEPROM begins with "MMAC" */ 771 if ((eeprom[0] == 'M') &&(eeprom[1] == 'M') 772 &&(eeprom[2] == 'A') &&(eeprom[3] == 'C')) { 773 bktr->card = cards[(card = CARD_OSPREY)]; 774 bktr->card.eepromAddr = PFC8582_WADDR; 775 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 776 goto checkTuner; 777 } 778 printf("%s: Warning: Unknown card type. EEPROM data not recognised\n", 779 bktr_name(bktr)); 780 printf("%s: %x %x %x %x\n", bktr_name(bktr), 781 eeprom[0],eeprom[1],eeprom[2],eeprom[3]); 782 } 783 784 /* look for an STB card */ 785 if ((status = i2cRead(bktr, X24C01_RADDR)) != ABSENT) { 786 bktr->card = cards[(card = CARD_STB)]; 787 bktr->card.eepromAddr = X24C01_WADDR; 788 bktr->card.eepromSize = (u_char)(128 / EEPROMBLOCKSIZE); 789 goto checkTuner; 790 } 791 792 } 793 794 signCard(bktr, 1, 128, (u_char *) &probe_signature); 795 796 if (bootverbose) { 797 printf("%s: card signature: ", bktr_name(bktr)); 798 for (j = 0; j < Bt848_MAX_SIGN; j++) { 799 printf(" %02x ", probe_signature[j]); 800 } 801 printf("\n\n"); 802 } 803 for (i = 0; 804 i < (sizeof bt848_card_signature)/ sizeof (struct bt848_card_sig); 805 i++) { 806 807 card_found = 1; 808 probe_temp = (u_char *) &bt848_card_signature[i].signature; 809 810 for (j = 0; j < Bt848_MAX_SIGN; j++) { 811 if ((probe_temp[j] & 0xf) != (probe_signature[j] & 0xf)) { 812 card_found = 0; 813 break; 814 } 815 816 } 817 if (card_found) { 818 bktr->card = cards[card = bt848_card_signature[i].card]; 819 eeprom_i2c_address = locate_eeprom_address(bktr); 820 if (eeprom_i2c_address != -1) { 821 bktr->card.eepromAddr = eeprom_i2c_address; 822 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 823 } else { 824 bktr->card.eepromAddr = 0; 825 bktr->card.eepromSize = 0; 826 } 827 tuner_i2c_address = locate_tuner_address(bktr); 828 select_tuner(bktr, bt848_card_signature[i].tuner); 829 goto checkDBX; 830 } 831 } 832 833 /* We do not know the card type. Default to Miro */ 834 bktr->card = cards[(card = CARD_MIRO)]; 835 836 837 checkEEPROM: 838 /* look for a configuration eeprom */ 839 eeprom_i2c_address = locate_eeprom_address(bktr); 840 if (eeprom_i2c_address != -1) { 841 bktr->card.eepromAddr = eeprom_i2c_address; 842 bktr->card.eepromSize = (u_char)(256 / EEPROMBLOCKSIZE); 843 } else { 844 bktr->card.eepromAddr = 0; 845 bktr->card.eepromSize = 0; 846 } 847 848 849 checkTuner: 850 851 /* look for a tuner */ 852 tuner_i2c_address = locate_tuner_address(bktr); 853 if (tuner_i2c_address == -1) { 854 select_tuner(bktr, NO_TUNER); 855 goto checkDBX; 856 } 857 858 #if defined(BKTR_OVERRIDE_TUNER) 859 select_tuner(bktr, BKTR_OVERRIDE_TUNER); 860 goto checkDBX; 861 #endif 862 if (bktr->bt848_tuner != -1) { 863 select_tuner(bktr, bktr->bt848_tuner & 0xff); 864 goto checkDBX; 865 } 866 867 /* Check for i2c devices */ 868 if (!any_i2c_devices) { 869 select_tuner(bktr, NO_TUNER); 870 goto checkDBX; 871 } 872 873 /* differentiate type of tuner */ 874 875 switch (card) { 876 case CARD_MIRO: 877 switch (((INL(bktr, BKTR_GPIO_DATA) >> 10)-1)&7) { 878 case 0: select_tuner(bktr, TEMIC_PAL); break; 879 case 1: select_tuner(bktr, PHILIPS_PAL); break; 880 case 2: select_tuner(bktr, PHILIPS_NTSC); break; 881 case 3: select_tuner(bktr, PHILIPS_SECAM); break; 882 case 4: select_tuner(bktr, NO_TUNER); break; 883 case 5: select_tuner(bktr, PHILIPS_PALI); break; 884 case 6: select_tuner(bktr, TEMIC_NTSC); break; 885 case 7: select_tuner(bktr, TEMIC_PALI); break; 886 } 887 goto checkDBX; 888 break; 889 890 case CARD_HAUPPAUGE: 891 /* Hauppauge kindly supplied the following Tuner Table */ 892 /* FIXME: I think the tuners the driver selects for types */ 893 /* 0x08 and 0x15 may be incorrect but no one has complained. */ 894 /* Old Temic tuners had their own API, but newer Temic tuners */ 895 /* have the same API as Philips tuners */ 896 /* 897 ID Tuner Model Format We select Format 898 0x00 NONE 899 0x01 EXTERNAL 900 0x02 OTHER 901 0x03 Philips FI1216 BG 902 0x04 Philips FI1216MF BGLL' PHILIPS_SECAM 903 0x05 Philips FI1236 MN PHILIPS_NTSC 904 0x06 Philips FI1246 I PHILIPS_PALI 905 0x07 Philips FI1256 DK 906 0x08 Philips FI1216 MK2 BG PHILIPS_PALI 907 0x09 Philips FI1216MF MK2 BGLL' PHILIPS_SECAM 908 0x0a Philips FI1236 MK2 MN PHILIPS_NTSC 909 0x0b Philips FI1246 MK2 I PHILIPS_PALI 910 0x0c Philips FI1256 MK2 DK 911 0x0d Temic 4032FY5 NTSC TEMIC_NTSC 912 0x0e Temic 4002FH5 BG TEMIC_PAL 913 0x0f Temic 4062FY5 I TEMIC_PALI 914 0x10 Philips FR1216 MK2 BG 915 0x11 Philips FR1216MF MK2 BGLL' PHILIPS_FR1236_SECAM 916 0x12 Philips FR1236 MK2 MN PHILIPS_FR1236_NTSC 917 0x13 Philips FR1246 MK2 I 918 0x14 Philips FR1256 MK2 DK 919 0x15 Philips FM1216 BG PHILIPS_FR1216_PAL 920 0x16 Philips FM1216MF BGLL' PHILIPS_FR1236_SECAM 921 0x17 Philips FM1236 MN PHILIPS_FR1236_NTSC 922 0x18 Philips FM1246 I 923 0x19 Philips FM1256 DK 924 0x1a Temic 4036FY5 MN (FI1236 MK2 clone) PHILIPS_NTSC 925 0x1b Samsung TCPN9082D MN 926 0x1c Samsung TCPM9092P Pal BG/I/DK 927 0x1d Temic 4006FH5 BG PHILIPS_PALI 928 0x1e Samsung TCPN9085D MN/Radio 929 0x1f Samsung TCPB9085P Pal BG/I/DK / Radio 930 0x20 Samsung TCPL9091P Pal BG & Secam L/L' 931 0x21 Temic 4039FY5 NTSC Radio 932 0x22 Philips FQ1216ME Pal BGIDK & Secam L/L' 933 0x23 Temic 4066FY5 Pal I (FI1246 MK2 clone) PHILIPS_PALI 934 0x24 Philips TD1536 MN/ATSCDigital 935 0x25 Philips TD1536D MN/ATSCDigital DUAL INPUT 936 0x26 Philips FMR1236 M/N FM(no demod) 937 0x27 Philips FI1256MP B/G, D/K 938 0x28 Samsung TCPQ9091P BG/I/DK, L/L' 939 0x29 Temic 4006FN5 BG/I/DK 940 0x2a Temic 4009FR5 BG FM PHILIPS_FR1216_PAL 941 0x2b Temic 4046FM5 B/G, I, D/K, L/L' 942 0x2c Temic 4009FN5 B/G, I, D/K, FM (no demod) 943 0x2d Philips TD1536D_FH_44 MN/ATSCDigital DUAL INPUT 944 */ 945 946 947 /* Determine the model number from the eeprom */ 948 if (bktr->card.eepromAddr != 0) { 949 /* eeprom data block structure */ 950 unsigned char *block_1, *block_2, *block_3; 951 int block_1_data_size, block_2_data_size, block_3_data_size; 952 int block_1_total_size, block_2_total_size, block_3_total_size; 953 954 unsigned int model,revision; 955 unsigned char tuner_code; 956 unsigned char no_audio_mux; 957 958 readEEProm(bktr, 0, 128, (u_char *) &eeprom); 959 960 /* LOCATE THE EEPROM DATA BLOCKS */ 961 block_1 = &eeprom[0]; 962 block_1_data_size = (block_1[2] << 8 | block_1[1]); 963 block_1_total_size = block_1_data_size + 3; /* Header bytes */ 964 965 block_2 = &eeprom[block_1_total_size]; 966 block_2_data_size = (block_2[2] << 8 | block_2[1]); 967 block_2_total_size = block_2_data_size + 3; /* Header bytes */ 968 969 block_3 = &eeprom[block_1_total_size + block_2_total_size]; 970 block_3_data_size = (block_3[0] &0x07); 971 block_3_total_size = block_3_data_size + 1; /* Header size */ 972 973 model = (block_1[12] << 8 | block_1[11]); 974 revision = (block_1[15] << 16 | block_1[14] << 8 | block_1[13]); 975 976 tuner_code = block_1[9]; 977 978 no_audio_mux = ((block_3[3] >> 7) &0x01); 979 980 if (no_audio_mux) bktr->audio_mux_present = 0; 981 982 if (verbose) 983 printf("%s: Hauppauge Model %d %c%c%c%c\n", 984 bktr_name(bktr), 985 model, 986 ((revision >> 18) & 0x3f) + 32, 987 ((revision >> 12) & 0x3f) + 32, 988 ((revision >> 6) & 0x3f) + 32, 989 ((revision >> 0) & 0x3f) + 32); 990 991 /* Determine the tuner type from the eeprom */ 992 993 switch (tuner_code) { 994 995 case 0x5: 996 case 0x0a: 997 case 0x1a: 998 select_tuner(bktr, PHILIPS_NTSC); 999 goto checkDBX; 1000 1001 case 0x4: 1002 case 0x9: 1003 select_tuner(bktr, PHILIPS_SECAM); 1004 goto checkDBX; 1005 1006 case 0x11: 1007 case 0x16: 1008 select_tuner(bktr, PHILIPS_FR1236_SECAM); 1009 goto checkDBX; 1010 1011 case 0x12: 1012 case 0x17: 1013 case 0x21: /* Hauppauge WinTV-GO-FM (model 00191) */ 1014 select_tuner(bktr, PHILIPS_FR1236_NTSC); 1015 goto checkDBX; 1016 1017 case 0x6: 1018 case 0x8: 1019 case 0xb: 1020 case 0x1d: 1021 case 0x23: 1022 select_tuner(bktr, PHILIPS_PALI); 1023 goto checkDBX; 1024 1025 case 0xd: 1026 select_tuner(bktr, TEMIC_NTSC); 1027 goto checkDBX; 1028 1029 case 0xe: 1030 select_tuner(bktr, TEMIC_PAL); 1031 goto checkDBX; 1032 1033 case 0xf: 1034 select_tuner(bktr, TEMIC_PALI); 1035 goto checkDBX; 1036 1037 case 0x15: 1038 select_tuner(bktr, PHILIPS_FR1216_PAL); 1039 goto checkDBX; 1040 1041 case 0x2a: 1042 bktr->msp_use_mono_source = 1; 1043 select_tuner(bktr, PHILIPS_FR1216_PAL); 1044 goto checkDBX; 1045 1046 default : 1047 printf("%s: Warning - Unknown Hauppauge Tuner 0x%x\n", 1048 bktr_name(bktr), tuner_code); 1049 } 1050 } 1051 break; 1052 1053 1054 case CARD_AVER_MEDIA: 1055 /* AVerMedia kindly supplied some details of their EEPROM contents 1056 * which allow us to auto select the Tuner Type. 1057 * Only the newer AVerMedia cards actually have an EEPROM. 1058 */ 1059 if (bktr->card.eepromAddr != 0) { 1060 1061 u_char tuner_make; /* Eg Philips, Temic */ 1062 u_char tuner_tv_fm; /* TV or TV with FM Radio */ 1063 u_char tuner_format; /* Eg NTSC, PAL, SECAM */ 1064 int tuner; 1065 1066 int tuner_0_table[] = { 1067 PHILIPS_NTSC, PHILIPS_PAL, 1068 PHILIPS_PAL, PHILIPS_PAL, 1069 PHILIPS_PAL, PHILIPS_PAL, 1070 PHILIPS_SECAM, PHILIPS_SECAM, 1071 PHILIPS_SECAM, PHILIPS_PAL}; 1072 1073 int tuner_0_fm_table[] = { 1074 PHILIPS_FR1236_NTSC, PHILIPS_FR1216_PAL, 1075 PHILIPS_FR1216_PAL, PHILIPS_FR1216_PAL, 1076 PHILIPS_FR1216_PAL, PHILIPS_FR1216_PAL, 1077 PHILIPS_FR1236_SECAM, PHILIPS_FR1236_SECAM, 1078 PHILIPS_FR1236_SECAM, PHILIPS_FR1216_PAL}; 1079 1080 int tuner_1_table[] = { 1081 TEMIC_NTSC, TEMIC_PAL, TEMIC_PAL, 1082 TEMIC_PAL, TEMIC_PAL, TEMIC_PAL, 1083 TEMIC_SECAM, TEMIC_SECAM, TEMIC_SECAM, 1084 TEMIC_PAL}; 1085 1086 1087 /* Extract information from the EEPROM data */ 1088 readEEProm(bktr, 0, 128, (u_char *) &eeprom); 1089 1090 tuner_make = (eeprom[0x41] & 0x7); 1091 tuner_tv_fm = (eeprom[0x41] & 0x18) >> 3; 1092 tuner_format = (eeprom[0x42] & 0xf0) >> 4; 1093 1094 /* Treat tuner make 0 (Philips) and make 2 (LG) the same */ 1095 if (((tuner_make == 0) || (tuner_make == 2)) 1096 && (tuner_format <= 9) && (tuner_tv_fm == 0)) { 1097 tuner = tuner_0_table[tuner_format]; 1098 select_tuner(bktr, tuner); 1099 goto checkDBX; 1100 } 1101 1102 if (((tuner_make == 0) || (tuner_make == 2)) 1103 && (tuner_format <= 9) && (tuner_tv_fm == 1)) { 1104 tuner = tuner_0_fm_table[tuner_format]; 1105 select_tuner(bktr, tuner); 1106 goto checkDBX; 1107 } 1108 1109 if ((tuner_make == 1) && (tuner_format <= 9)) { 1110 tuner = tuner_1_table[tuner_format]; 1111 select_tuner(bktr, tuner); 1112 goto checkDBX; 1113 } 1114 1115 printf("%s: Warning - Unknown AVerMedia Tuner Make %d Format %d\n", 1116 bktr_name(bktr), tuner_make, tuner_format); 1117 } 1118 break; 1119 1120 case CARD_LEADTEK: 1121 #if BKTR_SYSTEM_DEFAULT == BROOKTREE_PAL 1122 select_tuner(bktr, PHILIPS_FR1216_PAL); 1123 #else 1124 select_tuner(bktr, PHILIPS_FR1236_NTSC); 1125 #endif 1126 goto checkDBX; 1127 break; 1128 1129 case CARD_TERRATVALUE: 1130 select_tuner(bktr, PHILIPS_PAL); 1131 goto checkDBX; 1132 break; 1133 1134 } /* end switch(card) */ 1135 1136 1137 /* At this point, a goto checkDBX has not occurred */ 1138 /* We have not been able to select a Tuner */ 1139 /* Some cards make use of the tuner address to */ 1140 /* identify the make/model of tuner */ 1141 1142 /* At address 0xc0/0xc1 we often find a TEMIC NTSC */ 1143 if (i2cRead(bktr, 0xc1) != ABSENT) { 1144 select_tuner(bktr, TEMIC_NTSC); 1145 goto checkDBX; 1146 } 1147 1148 /* At address 0xc6/0xc7 we often find a PHILIPS NTSC Tuner */ 1149 if (i2cRead(bktr, 0xc7) != ABSENT) { 1150 select_tuner(bktr, PHILIPS_NTSC); 1151 goto checkDBX; 1152 } 1153 1154 /* Address 0xc2/0xc3 is default (or common address) for several */ 1155 /* tuners and we cannot tell which is which. */ 1156 /* And for all other tuner i2c addresses, select the default */ 1157 select_tuner(bktr, DEFAULT_TUNER); 1158 1159 1160 checkDBX: 1161 #if defined(BKTR_OVERRIDE_DBX) 1162 bktr->card.dbx = BKTR_OVERRIDE_DBX; 1163 goto checkMSP; 1164 #endif 1165 /* Check for i2c devices */ 1166 if (!any_i2c_devices) { 1167 goto checkMSP; 1168 } 1169 1170 /* probe for BTSC (dbx) chip */ 1171 if (i2cRead(bktr, TDA9850_RADDR) != ABSENT) 1172 bktr->card.dbx = 1; 1173 1174 checkMSP: 1175 /* If this is a Hauppauge Bt878 card, we need to enable the 1176 * MSP 34xx audio chip. 1177 * If this is a Hauppauge Bt848 card, reset the MSP device. 1178 * The MSP reset line is wired to GPIO pin 5. On Bt878 cards a pulldown 1179 * resistor holds the device in reset until we set GPIO pin 5. 1180 */ 1181 1182 /* Optionally skip the MSP reset. This is handy if you initialise the 1183 * MSP audio in another operating system (eg Windows) first and then 1184 * do a soft reboot. 1185 */ 1186 1187 #ifndef BKTR_NO_MSP_RESET 1188 if (card == CARD_HAUPPAUGE) { 1189 OUTL(bktr, BKTR_GPIO_OUT_EN, INL(bktr, BKTR_GPIO_OUT_EN) | (1<<5)); 1190 OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5)); /* write '1' */ 1191 DELAY(2500); /* wait 2.5ms */ 1192 OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) & ~(1<<5)); /* write '0' */ 1193 DELAY(2500); /* wait 2.5ms */ 1194 OUTL(bktr, BKTR_GPIO_DATA, INL(bktr, BKTR_GPIO_DATA) | (1<<5)); /* write '1' */ 1195 DELAY(2500); /* wait 2.5ms */ 1196 } 1197 #endif 1198 1199 #if defined(BKTR_OVERRIDE_MSP) 1200 bktr->card.msp3400c = BKTR_OVERRIDE_MSP; 1201 goto checkMSPEnd; 1202 #endif 1203 1204 /* Check for i2c devices */ 1205 if (!any_i2c_devices) { 1206 goto checkMSPEnd; 1207 } 1208 1209 if (i2cRead(bktr, MSP3400C_RADDR) != ABSENT) { 1210 bktr->card.msp3400c = 1; 1211 } 1212 1213 checkMSPEnd: 1214 1215 if (bktr->card.msp3400c) { 1216 bktr->msp_addr = MSP3400C_WADDR; 1217 msp_read_id(bktr); 1218 printf("%s: Detected a MSP%s at 0x%x\n", bktr_name(bktr), 1219 bktr->msp_version_string, 1220 bktr->msp_addr); 1221 1222 } 1223 1224 /* Check for Dolby Surround Sound DPL3518A sound chip */ 1225 if (i2cRead(bktr, DPL3518A_RADDR) != ABSENT) { 1226 bktr->card.dpl3518a = 1; 1227 } 1228 1229 if (bktr->card.dpl3518a) { 1230 bktr->dpl_addr = DPL3518A_WADDR; 1231 dpl_read_id(bktr); 1232 printf("%s: Detected a DPL%s at 0x%x\n", bktr_name(bktr), 1233 bktr->dpl_version_string, 1234 bktr->dpl_addr); 1235 } 1236 1237 /* Start of Check Remote */ 1238 /* Check for the Hauppauge IR Remote Control */ 1239 /* If there is an external unit, the internal will be ignored */ 1240 1241 bktr->remote_control = 0; /* initial value */ 1242 1243 if (any_i2c_devices) { 1244 if (i2cRead(bktr, HAUP_REMOTE_EXT_RADDR) != ABSENT) 1245 { 1246 bktr->remote_control = 1; 1247 bktr->remote_control_addr = HAUP_REMOTE_EXT_RADDR; 1248 } 1249 else if (i2cRead(bktr, HAUP_REMOTE_INT_RADDR) != ABSENT) 1250 { 1251 bktr->remote_control = 1; 1252 bktr->remote_control_addr = HAUP_REMOTE_INT_RADDR; 1253 } 1254 1255 } 1256 /* If a remote control is found, poll it 5 times to turn off the LED */ 1257 if (bktr->remote_control) { 1258 int ii; 1259 for (ii=0; ii<5; ii++) 1260 i2cRead(bktr, bktr->remote_control_addr); 1261 } 1262 /* End of Check Remote */ 1263 1264 #if defined(BKTR_USE_PLL) 1265 bktr->xtal_pll_mode = BT848_USE_PLL; 1266 goto checkPLLEnd; 1267 #endif 1268 /* Default is to use XTALS and not PLL mode */ 1269 bktr->xtal_pll_mode = BT848_USE_XTALS; 1270 1271 /* Enable PLL mode for OSPREY users */ 1272 if (card == CARD_OSPREY) 1273 bktr->xtal_pll_mode = BT848_USE_PLL; 1274 1275 /* Enable PLL mode for Video Highway Xtreme users */ 1276 if (card == CARD_VIDEO_HIGHWAY_XTREME) 1277 bktr->xtal_pll_mode = BT848_USE_PLL; 1278 1279 1280 /* Most (perhaps all) Bt878 cards need to be switched to PLL mode */ 1281 /* as they only fit the NTSC crystal to their cards */ 1282 /* Default to enabling PLL mode for all Bt878/879 cards */ 1283 1284 if ((bktr->id==BROOKTREE_878 || bktr->id==BROOKTREE_879)) 1285 bktr->xtal_pll_mode = BT848_USE_PLL; 1286 1287 1288 #if defined(BKTR_USE_PLL) 1289 checkPLLEnd: 1290 #endif 1291 1292 1293 bktr->card.tuner_pllAddr = tuner_i2c_address; 1294 1295 if (verbose) { 1296 printf("%s: %s", bktr_name(bktr), bktr->card.name); 1297 if (bktr->card.tuner) 1298 printf(", %s tuner", bktr->card.tuner->name); 1299 if (bktr->card.dbx) 1300 printf(", dbx stereo"); 1301 if (bktr->card.msp3400c) 1302 printf(", msp3400c stereo"); 1303 if (bktr->card.dpl3518a) 1304 printf(", dpl3518a dolby"); 1305 if (bktr->remote_control) 1306 printf(", remote control"); 1307 printf(".\n"); 1308 } 1309 } 1310 1311 #undef ABSENT 1312
Indexes created Thu Oct 02 10:09:58 GMT 2025