1 /*- 2 * 1. Redistributions of source code must retain the 3 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Amancio Hasty and 17 * Roger Hardiman 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 30 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD: src/sys/dev/bktr/bktr_audio.c,v 1.16 2005/05/29 04:42:18 nyan Exp $ 34 * $DragonFly: src/sys/dev/video/bktr/bktr_audio.c,v 1.10 2007/10/03 19:27:08 swildner Exp $ 35 */ 36 37 /* 38 * This is part of the Driver for Video Capture Cards (Frame grabbers) 39 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 40 * chipset. 41 * Copyright Roger Hardiman and Amancio Hasty. 42 * 43 * bktr_audio : This deals with controlling the audio on TV cards, 44 * controlling the Audio Multiplexer (audio source selector). 45 * controlling any MSP34xx stereo audio decoders. 46 * controlling any DPL35xx dolby surroud sound audio decoders. 47 * initialising TDA98xx audio devices. 48 * 49 */ 50 51 #include "opt_bktr.h" /* Include any kernel config options */ 52 53 #include <sys/param.h> 54 #include <sys/systm.h> 55 #include <sys/kernel.h> 56 #include <sys/bus.h> 57 #include <sys/event.h> 58 59 #include <bus/pci/pcivar.h> 60 61 #include <dev/video/meteor/ioctl_meteor.h> 62 #include <dev/video/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */ 63 #include <dev/video/bktr/bktr_reg.h> 64 #include <dev/video/bktr/bktr_core.h> 65 #include <dev/video/bktr/bktr_tuner.h> 66 #include <dev/video/bktr/bktr_card.h> 67 #include <dev/video/bktr/bktr_audio.h> 68 69 /* 70 * Prototypes for the GV_BCTV2 specific functions. 71 */ 72 void set_bctv2_audio( bktr_ptr_t bktr ); 73 void bctv2_gpio_write( bktr_ptr_t bktr, int port, int val ); 74 /*int bctv2_gpio_read( bktr_ptr_t bktr, int port );*/ /* Not used */ 75 76 /* 77 * init_audio_devices 78 * Reset any MSP34xx or TDA98xx audio devices. 79 */ 80 void init_audio_devices( bktr_ptr_t bktr ) { 81 82 /* enable stereo if appropriate on TDA audio chip */ 83 if ( bktr->card.dbx ) 84 init_BTSC( bktr ); 85 86 /* reset the MSP34xx stereo audio chip */ 87 if ( bktr->card.msp3400c ) 88 msp_dpl_reset( bktr, bktr->msp_addr ); 89 90 /* reset the DPL35xx dolby audio chip */ 91 if ( bktr->card.dpl3518a ) 92 msp_dpl_reset( bktr, bktr->dpl_addr ); 93 94 } 95 96 97 /* 98 * 99 */ 100 #define AUDIOMUX_DISCOVER_NOT 101 int 102 set_audio( bktr_ptr_t bktr, int cmd ) 103 { 104 u_long temp; 105 volatile u_char idx; 106 107 #if defined( AUDIOMUX_DISCOVER ) 108 if ( cmd >= 200 ) 109 cmd -= 200; 110 else 111 #endif /* AUDIOMUX_DISCOVER */ 112 113 /* check for existance of audio MUXes */ 114 if ( !bktr->card.audiomuxs[ 4 ] ) 115 return( -1 ); 116 117 switch (cmd) { 118 case AUDIO_TUNER: 119 #ifdef BKTR_REVERSEMUTE 120 bktr->audio_mux_select = 3; 121 #else 122 bktr->audio_mux_select = 0; 123 #endif 124 125 if (bktr->reverse_mute ) 126 bktr->audio_mux_select = 0; 127 else 128 bktr->audio_mux_select = 3; 129 130 break; 131 case AUDIO_EXTERN: 132 bktr->audio_mux_select = 1; 133 break; 134 case AUDIO_INTERN: 135 bktr->audio_mux_select = 2; 136 break; 137 case AUDIO_MUTE: 138 bktr->audio_mute_state = TRUE; /* set mute */ 139 break; 140 case AUDIO_UNMUTE: 141 bktr->audio_mute_state = FALSE; /* clear mute */ 142 break; 143 default: 144 kprintf("%s: audio cmd error %02x\n", bktr_name(bktr), 145 cmd); 146 return( -1 ); 147 } 148 149 150 /* Most cards have a simple audio multiplexer to select the 151 * audio source. The I/O_GV card has a more advanced multiplexer 152 * and requires special handling. 153 */ 154 if ( bktr->bt848_card == CARD_IO_BCTV2 ) { 155 set_bctv2_audio( bktr ); 156 return( 0 ); 157 } 158 159 /* Proceed with the simpler audio multiplexer code for the majority 160 * of Bt848 cards. 161 */ 162 163 /* 164 * Leave the upper bits of the GPIO port alone in case they control 165 * something like the dbx or teletext chips. This doesn't guarantee 166 * success, but follows the rule of least astonishment. 167 */ 168 169 if ( bktr->audio_mute_state == TRUE ) { 170 #ifdef BKTR_REVERSEMUTE 171 idx = 0; 172 #else 173 idx = 3; 174 #endif 175 176 if (bktr->reverse_mute ) 177 idx = 3; 178 else 179 idx = 0; 180 181 } 182 else 183 idx = bktr->audio_mux_select; 184 185 186 temp = INL(bktr, BKTR_GPIO_DATA) & ~bktr->card.gpio_mux_bits; 187 #if defined( AUDIOMUX_DISCOVER ) 188 OUTL(bktr, BKTR_GPIO_DATA, temp | (cmd & 0xff)); 189 kprintf("%s: cmd: %d audio mux %x temp %x \n", bktr_name(bktr), 190 cmd, bktr->card.audiomuxs[ idx ], temp ); 191 #else 192 OUTL(bktr, BKTR_GPIO_DATA, temp | bktr->card.audiomuxs[ idx ]); 193 #endif /* AUDIOMUX_DISCOVER */ 194 195 196 197 /* Some new Hauppauge cards do not have an audio mux */ 198 /* Instead we use the MSP34xx chip to select TV audio, Line-In */ 199 /* FM Radio and Mute */ 200 /* Examples of this are the Hauppauge 44xxx MSP34xx models */ 201 /* It is ok to drive both the mux and the MSP34xx chip. */ 202 /* If there is no mux, the MSP does the switching of the audio source */ 203 /* If there is a mux, it does the switching of the audio source */ 204 205 if ((bktr->card.msp3400c) && (bktr->audio_mux_present == 0)) { 206 207 if (bktr->audio_mute_state == TRUE ) { 208 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x0000); /* volume to MUTE */ 209 } else { 210 if(bktr->audio_mux_select == 0) { /* TV Tuner */ 211 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x7300); /* 0 db volume */ 212 if (bktr->msp_source_selected != 0) msp_autodetect(bktr); /* setup TV audio mode */ 213 bktr->msp_source_selected = 0; 214 } 215 if(bktr->audio_mux_select == 1) { /* Line In */ 216 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x7300); /* 0 db volume */ 217 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000d, 0x1900); /* scart prescale */ 218 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008, 0x0220); /* SCART | STEREO */ 219 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0013, 0x0000); /* DSP In = SC1_IN_L/R */ 220 bktr->msp_source_selected = 1; 221 } 222 223 if(bktr->audio_mux_select == 2) { /* FM Radio */ 224 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x7300); /* 0 db volume */ 225 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000d, 0x1900); /* scart prescale */ 226 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008, 0x0220); /* SCART | STEREO */ 227 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0013, 0x0200); /* DSP In = SC2_IN_L/R */ 228 bktr->msp_source_selected = 2; 229 } 230 } 231 } 232 233 234 return( 0 ); 235 } 236 237 238 /* 239 * 240 */ 241 void 242 temp_mute( bktr_ptr_t bktr, int flag ) 243 { 244 static int muteState = FALSE; 245 246 if ( flag == TRUE ) { 247 muteState = bktr->audio_mute_state; 248 set_audio( bktr, AUDIO_MUTE ); /* prevent 'click' */ 249 } 250 else { 251 tsleep( BKTR_SLEEP, 0, "tuning", hz/8 ); 252 if ( muteState == FALSE ) 253 set_audio( bktr, AUDIO_UNMUTE ); 254 } 255 } 256 257 /* address of BTSC/SAP decoder chip */ 258 #define TDA9850_WADDR 0xb6 259 #define TDA9850_RADDR 0xb7 260 261 262 /* registers in the TDA9850 BTSC/dbx chip */ 263 #define CON1ADDR 0x04 264 #define CON2ADDR 0x05 265 #define CON3ADDR 0x06 266 #define CON4ADDR 0x07 267 #define ALI1ADDR 0x08 268 #define ALI2ADDR 0x09 269 #define ALI3ADDR 0x0a 270 271 /* 272 * initialise the dbx chip 273 * taken from the Linux bttv driver TDA9850 initialisation code 274 */ 275 void 276 init_BTSC( bktr_ptr_t bktr ) 277 { 278 i2cWrite(bktr, TDA9850_WADDR, CON1ADDR, 0x08); /* noise threshold st */ 279 i2cWrite(bktr, TDA9850_WADDR, CON2ADDR, 0x08); /* noise threshold sap */ 280 i2cWrite(bktr, TDA9850_WADDR, CON3ADDR, 0x40); /* stereo mode */ 281 i2cWrite(bktr, TDA9850_WADDR, CON4ADDR, 0x07); /* 0 dB input gain? */ 282 i2cWrite(bktr, TDA9850_WADDR, ALI1ADDR, 0x10); /* wideband alignment? */ 283 i2cWrite(bktr, TDA9850_WADDR, ALI2ADDR, 0x10); /* spectral alignment? */ 284 i2cWrite(bktr, TDA9850_WADDR, ALI3ADDR, 0x03); 285 } 286 287 /* 288 * setup the dbx chip 289 * XXX FIXME: alot of work to be done here, this merely unmutes it. 290 */ 291 int 292 set_BTSC( bktr_ptr_t bktr, int control ) 293 { 294 return( i2cWrite( bktr, TDA9850_WADDR, CON3ADDR, control ) ); 295 } 296 297 /* 298 * CARD_GV_BCTV2 specific functions. 299 */ 300 301 #define BCTV2_AUDIO_MAIN 0x10 /* main audio program */ 302 #define BCTV2_AUDIO_SUB 0x20 /* sub audio program */ 303 #define BCTV2_AUDIO_BOTH 0x30 /* main(L) + sub(R) program */ 304 305 #define BCTV2_GPIO_REG0 1 306 #define BCTV2_GPIO_REG1 3 307 308 #define BCTV2_GR0_AUDIO_MODE 3 309 #define BCTV2_GR0_AUDIO_MAIN 0 /* main program */ 310 #define BCTV2_GR0_AUDIO_SUB 3 /* sub program */ 311 #define BCTV2_GR0_AUDIO_BOTH 1 /* main(L) + sub(R) */ 312 #define BCTV2_GR0_AUDIO_MUTE 4 /* audio mute */ 313 #define BCTV2_GR0_AUDIO_MONO 8 /* force mono */ 314 315 void 316 set_bctv2_audio( bktr_ptr_t bktr ) 317 { 318 int data; 319 320 switch (bktr->audio_mux_select) { 321 case 1: /* external */ 322 case 2: /* internal */ 323 bctv2_gpio_write(bktr, BCTV2_GPIO_REG1, 0); 324 break; 325 default: /* tuner */ 326 bctv2_gpio_write(bktr, BCTV2_GPIO_REG1, 1); 327 break; 328 } 329 /* switch (bktr->audio_sap_select) { */ 330 switch (BCTV2_AUDIO_BOTH) { 331 case BCTV2_AUDIO_SUB: 332 data = BCTV2_GR0_AUDIO_SUB; 333 break; 334 case BCTV2_AUDIO_BOTH: 335 data = BCTV2_GR0_AUDIO_BOTH; 336 break; 337 case BCTV2_AUDIO_MAIN: 338 default: 339 data = BCTV2_GR0_AUDIO_MAIN; 340 break; 341 } 342 if (bktr->audio_mute_state == TRUE) 343 data |= BCTV2_GR0_AUDIO_MUTE; 344 345 bctv2_gpio_write(bktr, BCTV2_GPIO_REG0, data); 346 347 return; 348 } 349 350 /* gpio_data bit assignment */ 351 #define BCTV2_GPIO_ADDR_MASK 0x000300 352 #define BCTV2_GPIO_WE 0x000400 353 #define BCTV2_GPIO_OE 0x000800 354 #define BCTV2_GPIO_VAL_MASK 0x00f000 355 356 #define BCTV2_GPIO_PORT_MASK 3 357 #define BCTV2_GPIO_ADDR_SHIFT 8 358 #define BCTV2_GPIO_VAL_SHIFT 12 359 360 /* gpio_out_en value for read/write */ 361 #define BCTV2_GPIO_OUT_RMASK 0x000f00 362 #define BCTV2_GPIO_OUT_WMASK 0x00ff00 363 364 #define BCTV2_BITS 100 365 366 void 367 bctv2_gpio_write( bktr_ptr_t bktr, int port, int val ) 368 { 369 u_long data, outbits; 370 371 port &= BCTV2_GPIO_PORT_MASK; 372 switch (port) { 373 case 1: 374 case 3: 375 data = ((val << BCTV2_GPIO_VAL_SHIFT) & BCTV2_GPIO_VAL_MASK) | 376 ((port << BCTV2_GPIO_ADDR_SHIFT) & BCTV2_GPIO_ADDR_MASK) | 377 BCTV2_GPIO_WE | BCTV2_GPIO_OE; 378 outbits = BCTV2_GPIO_OUT_WMASK; 379 break; 380 default: 381 return; 382 } 383 OUTL(bktr, BKTR_GPIO_OUT_EN, 0); 384 OUTL(bktr, BKTR_GPIO_DATA, data); 385 OUTL(bktr, BKTR_GPIO_OUT_EN, outbits); 386 DELAY(BCTV2_BITS); 387 OUTL(bktr, BKTR_GPIO_DATA, data & ~BCTV2_GPIO_WE); 388 DELAY(BCTV2_BITS); 389 OUTL(bktr, BKTR_GPIO_DATA, data); 390 DELAY(BCTV2_BITS); 391 OUTL(bktr, BKTR_GPIO_DATA, ~0); 392 OUTL(bktr, BKTR_GPIO_OUT_EN, 0); 393 } 394 395 /* Not yet used 396 int 397 bctv2_gpio_read( bktr_ptr_t bktr, int port ) 398 { 399 u_long data, outbits, ret; 400 401 port &= BCTV2_GPIO_PORT_MASK; 402 switch (port) { 403 case 1: 404 case 3: 405 data = ((port << BCTV2_GPIO_ADDR_SHIFT) & BCTV2_GPIO_ADDR_MASK) | 406 BCTV2_GPIO_WE | BCTV2_GPIO_OE; 407 outbits = BCTV2_GPIO_OUT_RMASK; 408 break; 409 default: 410 return( -1 ); 411 } 412 OUTL(bktr, BKTR_GPIO_OUT_EN, 0); 413 OUTL(bktr, BKTR_GPIO_DATA, data); 414 OUTL(bktr, BKTR_GPIO_OUT_EN, outbits); 415 DELAY(BCTV2_BITS); 416 OUTL(bktr, BKTR_GPIO_DATA, data & ~BCTV2_GPIO_OE); 417 DELAY(BCTV2_BITS); 418 ret = INL(bktr, BKTR_GPIO_DATA); 419 DELAY(BCTV2_BITS); 420 OUTL(bktr, BKTR_GPIO_DATA, data); 421 DELAY(BCTV2_BITS); 422 OUTL(bktr, BKTR_GPIO_DATA, ~0); 423 OUTL(bktr, BKTR_GPIO_OUT_EN, 0); 424 return( (ret & BCTV2_GPIO_VAL_MASK) >> BCTV2_GPIO_VAL_SHIFT ); 425 } 426 */ 427 428 /* 429 * setup the MSP34xx Stereo Audio Chip 430 * This uses the Auto Configuration Option on MSP3410D and MSP3415D chips 431 * and DBX mode selection for MSP3430G chips. 432 * For MSP3400C support, the full programming sequence is required and is 433 * not yet supported. 434 */ 435 436 /* Read the MSP version string */ 437 void msp_read_id( bktr_ptr_t bktr ){ 438 int rev1=0, rev2=0; 439 rev1 = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x001e); 440 rev2 = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x001f); 441 442 ksprintf(bktr->msp_version_string, "34%02d%c-%c%d", 443 (rev2>>8)&0xff, (rev1&0xff)+'@', ((rev1>>8)&0xff)+'@', rev2&0x1f); 444 445 } 446 447 448 /* Configure the MSP chip to Auto-detect the audio format. 449 * For the MSP3430G, we use fast autodetect mode 450 * For the MSP3410/3415 there are two schemes for this 451 * a) Fast autodetection - the chip is put into autodetect mode, and the function 452 * returns immediatly. This works in most cases and is the Default Mode. 453 * b) Slow mode. The function sets the MSP3410/3415 chip, then waits for feedback from 454 * the chip and re-programs it if needed. 455 */ 456 void msp_autodetect( bktr_ptr_t bktr ) { 457 458 #ifdef BKTR_NEW_MSP34XX_DRIVER 459 460 /* Just wake up the (maybe) sleeping thread, it'll do everything for us */ 461 msp_wake_thread(bktr); 462 463 #else 464 int auto_detect, loops; 465 int stereo; 466 467 /* MSP3430G - countries with mono and DBX stereo */ 468 if (strncmp("3430G", bktr->msp_version_string, 5) == 0){ 469 470 msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0030,0x2003);/* Enable Auto format detection */ 471 msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0020,0x0020);/* Standard Select Reg. = BTSC-Stereo*/ 472 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000E,0x2403);/* darned if I know */ 473 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0320);/* Source select = (St or A) */ 474 /* & Ch. Matrix = St */ 475 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000,0x7300);/* Set volume to 0db gain */ 476 } 477 478 479 /* MSP3415D SPECIAL CASE Use the Tuner's Mono audio ouput for the MSP */ 480 /* (for Hauppauge 44xxx card with Tuner Type 0x2a) */ 481 else if ( ( (strncmp("3415D", bktr->msp_version_string, 5) == 0) 482 &&(bktr->msp_use_mono_source == 1) 483 ) 484 || (bktr->slow_msp_audio == 2) ){ 485 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000, 0x7300); /* 0 db volume */ 486 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000d, 0x1900); /* scart prescale */ 487 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008, 0x0220); /* SCART | STEREO */ 488 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0013, 0x0100); /* DSP In = MONO IN */ 489 } 490 491 492 /* MSP3410/MSP3415 - countries with mono, stereo using 2 FM channels and NICAM */ 493 /* FAST sound scheme */ 494 else if (bktr->slow_msp_audio == 0) { 495 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000,0x7300);/* Set volume to 0db gain */ 496 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0000);/* Spkr Source = default(FM/AM) */ 497 msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0020,0x0001);/* Enable Auto format detection */ 498 msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0021,0x0001);/* Auto selection of NICAM/MONO mode */ 499 } 500 501 502 /* MSP3410/MSP3415 - European Countries where the fast MSP3410/3415 programming fails */ 503 /* SLOW sound scheme */ 504 else if ( bktr->slow_msp_audio == 1) { 505 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0000,0x7300);/* Set volume to 0db gain */ 506 msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0020,0x0001);/* Enable Auto format detection */ 507 508 /* wait for 0.5s max for terrestrial sound autodetection */ 509 loops = 10; 510 do { 511 DELAY(100000); 512 auto_detect = msp_dpl_read(bktr, bktr->msp_addr, 0x10, 0x007e); 513 loops++; 514 } while (auto_detect > 0xff && loops < 50); 515 if (bootverbose)kprintf ("%s: Result of autodetect after %dms: %d\n", 516 bktr_name(bktr), loops*10, auto_detect); 517 518 /* Now set the audio baseband processing */ 519 switch (auto_detect) { 520 case 0: /* no TV sound standard detected */ 521 break; 522 case 2: /* M Dual FM */ 523 break; 524 case 3: /* B/G Dual FM; German stereo */ 525 /* Read the stereo detection value from DSP reg 0x0018 */ 526 DELAY(20000); 527 stereo = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x0018); 528 if (bootverbose)kprintf ("%s: Stereo reg 0x18 a: %d\n", 529 bktr_name(bktr), stereo); 530 DELAY(20000); 531 stereo = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x0018); 532 if (bootverbose)kprintf ("%s: Stereo reg 0x18 b: %d\n", 533 bktr_name(bktr), stereo); 534 DELAY(20000); 535 stereo = msp_dpl_read(bktr, bktr->msp_addr, 0x12, 0x0018); 536 if (bootverbose)kprintf ("%s: Stereo reg 0x18 c: %d\n", 537 bktr_name(bktr), stereo); 538 if (stereo > 0x0100 && stereo < 0x8000) { /* Seems to be stereo */ 539 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0020);/* Loudspeaker set stereo*/ 540 /* 541 set spatial effect strength to 50% enlargement 542 set spatial effect mode b, stereo basewidth enlargment only 543 */ 544 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0005,0x3f28); 545 } else if (stereo > 0x8000) { /* bilingual mode */ 546 if (bootverbose) kprintf ("%s: Bilingual mode detected\n", 547 bktr_name(bktr)); 548 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0000);/* Loudspeaker */ 549 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0005,0x0000);/* all spatial effects off */ 550 } else { /* must be mono */ 551 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0030);/* Loudspeaker */ 552 /* 553 set spatial effect strength to 50% enlargement 554 set spatial effect mode a, stereo basewidth enlargment 555 and pseudo stereo effect with automatic high-pass filter 556 */ 557 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0005,0x3f08); 558 } 559 #if 0 560 /* The reset value for Channel matrix mode is FM/AM and SOUNDA/LEFT */ 561 /* We would like STEREO instead val: 0x0020 */ 562 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0008,0x0020);/* Loudspeaker */ 563 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0009,0x0020);/* Headphone */ 564 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000a,0x0020);/* SCART1 */ 565 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0041,0x0020);/* SCART2 */ 566 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000b,0x0020);/* I2S */ 567 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000c,0x0020);/* Quasi-Peak Detector Source */ 568 msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x000e,0x0001); 569 #endif 570 break; 571 case 8: /* B/G FM NICAM */ 572 msp_dpl_write(bktr, bktr->msp_addr, 0x10, 0x0021,0x0001);/* Auto selection of NICAM/MONO mode */ 573 break; 574 case 9: /* L_AM NICAM or D/K*/ 575 case 10: /* i-FM NICAM */ 576 break; 577 default: 578 if (bootverbose) kprintf ("%s: Unknown autodetection result value: %d\n", 579 bktr_name(bktr), auto_detect); 580 } 581 582 } 583 584 585 /* uncomment the following line to enable the MSP34xx 1Khz Tone Generator */ 586 /* turn your speaker volume down low before trying this */ 587 /* msp_dpl_write(bktr, bktr->msp_addr, 0x12, 0x0014, 0x7f40); */ 588 589 #endif /* BKTR_NEW_MSP34XX_DRIVER */ 590 } 591 592 /* Read the DPL version string */ 593 void dpl_read_id( bktr_ptr_t bktr ){ 594 int rev1=0, rev2=0; 595 rev1 = msp_dpl_read(bktr, bktr->dpl_addr, 0x12, 0x001e); 596 rev2 = msp_dpl_read(bktr, bktr->dpl_addr, 0x12, 0x001f); 597 598 ksprintf(bktr->dpl_version_string, "34%02d%c-%c%d", 599 ((rev2>>8)&0xff)-1, (rev1&0xff)+'@', ((rev1>>8)&0xff)+'@', rev2&0x1f); 600 } 601 602 /* Configure the DPL chip to Auto-detect the audio format */ 603 void dpl_autodetect( bktr_ptr_t bktr ) { 604 605 /* The following are empiric values tried from the DPL35xx data sheet */ 606 msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x000c,0x0320); /* quasi peak detector source dolby 607 lr 0x03xx; quasi peak detector matrix 608 stereo 0xXX20 */ 609 msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0040,0x0060); /* Surround decoder mode; 610 ADAPTIVE/3D-PANORAMA, that means two 611 speakers and no center speaker, all 612 channels L/R/C/S mixed to L and R */ 613 msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0041,0x0620); /* surround source matrix;I2S2/STEREO*/ 614 msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0042,0x1F00); /* surround delay 31ms max */ 615 msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0043,0x0000); /* automatic surround input balance */ 616 msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0044,0x4000); /* surround spatial effect 50% 617 recommended*/ 618 msp_dpl_write(bktr, bktr->dpl_addr, 0x12, 0x0045,0x5400); /* surround panorama effect 66% 619 recommended with PANORAMA mode 620 in 0x0040 set to panorama */ 621 } 622