1 /* 2 * Copyright 2012-15 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 * 24 */ 25 26 #include <linux/slab.h> 27 28 #include "reg_helper.h" 29 #include "dce_audio.h" 30 #include "dce/dce_11_0_d.h" 31 #include "dce/dce_11_0_sh_mask.h" 32 33 #define DCE_AUD(audio)\ 34 container_of(audio, struct dce_audio, base) 35 36 #define CTX \ 37 aud->base.ctx 38 39 #define DC_LOGGER_INIT() 40 41 #define REG(reg)\ 42 (aud->regs->reg) 43 44 #undef FN 45 #define FN(reg_name, field_name) \ 46 aud->shifts->field_name, aud->masks->field_name 47 48 #define IX_REG(reg)\ 49 ix ## reg 50 51 #define AZ_REG_READ(reg_name) \ 52 read_indirect_azalia_reg(audio, IX_REG(reg_name)) 53 54 #define AZ_REG_WRITE(reg_name, value) \ 55 write_indirect_azalia_reg(audio, IX_REG(reg_name), value) 56 57 static void write_indirect_azalia_reg(struct audio *audio, 58 uint32_t reg_index, 59 uint32_t reg_data) 60 { 61 struct dce_audio *aud = DCE_AUD(audio); 62 63 /* AZALIA_F0_CODEC_ENDPOINT_INDEX endpoint index */ 64 REG_SET(AZALIA_F0_CODEC_ENDPOINT_INDEX, 0, 65 AZALIA_ENDPOINT_REG_INDEX, reg_index); 66 67 /* AZALIA_F0_CODEC_ENDPOINT_DATA endpoint data */ 68 REG_SET(AZALIA_F0_CODEC_ENDPOINT_DATA, 0, 69 AZALIA_ENDPOINT_REG_DATA, reg_data); 70 71 DC_LOG_HW_AUDIO("AUDIO:write_indirect_azalia_reg: index: %u data: %u\n", 72 reg_index, reg_data); 73 } 74 75 static uint32_t read_indirect_azalia_reg(struct audio *audio, uint32_t reg_index) 76 { 77 struct dce_audio *aud = DCE_AUD(audio); 78 79 uint32_t value = 0; 80 81 /* AZALIA_F0_CODEC_ENDPOINT_INDEX endpoint index */ 82 REG_SET(AZALIA_F0_CODEC_ENDPOINT_INDEX, 0, 83 AZALIA_ENDPOINT_REG_INDEX, reg_index); 84 85 /* AZALIA_F0_CODEC_ENDPOINT_DATA endpoint data */ 86 value = REG_READ(AZALIA_F0_CODEC_ENDPOINT_DATA); 87 88 DC_LOG_HW_AUDIO("AUDIO:read_indirect_azalia_reg: index: %u data: %u\n", 89 reg_index, value); 90 91 return value; 92 } 93 94 static bool is_audio_format_supported( 95 const struct audio_info *audio_info, 96 enum audio_format_code audio_format_code, 97 uint32_t *format_index) 98 { 99 uint32_t index; 100 uint32_t max_channe_index = 0; 101 bool found = false; 102 103 if (audio_info == NULL) 104 return found; 105 106 /* pass through whole array */ 107 for (index = 0; index < audio_info->mode_count; index++) { 108 if (audio_info->modes[index].format_code == audio_format_code) { 109 if (found) { 110 /* format has multiply entries, choose one with 111 * highst number of channels */ 112 if (audio_info->modes[index].channel_count > 113 audio_info->modes[max_channe_index].channel_count) { 114 max_channe_index = index; 115 } 116 } else { 117 /* format found, save it's index */ 118 found = true; 119 max_channe_index = index; 120 } 121 } 122 } 123 124 /* return index */ 125 if (found && format_index != NULL) 126 *format_index = max_channe_index; 127 128 return found; 129 } 130 131 /*For HDMI, calculate if specified sample rates can fit into a given timing */ 132 static void check_audio_bandwidth_hdmi( 133 const struct audio_crtc_info *crtc_info, 134 uint32_t channel_count, 135 union audio_sample_rates *sample_rates) 136 { 137 uint32_t samples; 138 uint32_t h_blank; 139 bool limit_freq_to_48_khz = false; 140 bool limit_freq_to_88_2_khz = false; 141 bool limit_freq_to_96_khz = false; 142 bool limit_freq_to_174_4_khz = false; 143 if (!crtc_info) 144 return; 145 146 /* For two channels supported return whatever sink support,unmodified*/ 147 if (channel_count > 2) { 148 149 /* Based on HDMI spec 1.3 Table 7.5 */ 150 if ((crtc_info->requested_pixel_clock_100Hz <= 270000) && 151 (crtc_info->v_active <= 576) && 152 !(crtc_info->interlaced) && 153 !(crtc_info->pixel_repetition == 2 || 154 crtc_info->pixel_repetition == 4)) { 155 limit_freq_to_48_khz = true; 156 157 } else if ((crtc_info->requested_pixel_clock_100Hz <= 270000) && 158 (crtc_info->v_active <= 576) && 159 (crtc_info->interlaced) && 160 (crtc_info->pixel_repetition == 2)) { 161 limit_freq_to_88_2_khz = true; 162 163 } else if ((crtc_info->requested_pixel_clock_100Hz <= 540000) && 164 (crtc_info->v_active <= 576) && 165 !(crtc_info->interlaced)) { 166 limit_freq_to_174_4_khz = true; 167 } 168 } 169 170 /* Also do some calculation for the available Audio Bandwidth for the 171 * 8 ch (i.e. for the Layout 1 => ch > 2) 172 */ 173 h_blank = crtc_info->h_total - crtc_info->h_active; 174 175 if (crtc_info->pixel_repetition) 176 h_blank *= crtc_info->pixel_repetition; 177 178 /*based on HDMI spec 1.3 Table 7.5 */ 179 h_blank -= 58; 180 /*for Control Period */ 181 h_blank -= 16; 182 183 samples = h_blank * 10; 184 /* Number of Audio Packets (multiplied by 10) per Line (for 8 ch number 185 * of Audio samples per line multiplied by 10 - Layout 1) 186 */ 187 samples /= 32; 188 samples *= crtc_info->v_active; 189 /*Number of samples multiplied by 10, per second */ 190 samples *= crtc_info->refresh_rate; 191 /*Number of Audio samples per second */ 192 samples /= 10; 193 194 /* @todo do it after deep color is implemented 195 * 8xx - deep color bandwidth scaling 196 * Extra bandwidth is avaliable in deep color b/c link runs faster than 197 * pixel rate. This has the effect of allowing more tmds characters to 198 * be transmitted during blank 199 */ 200 201 switch (crtc_info->color_depth) { 202 case COLOR_DEPTH_888: 203 samples *= 4; 204 break; 205 case COLOR_DEPTH_101010: 206 samples *= 5; 207 break; 208 case COLOR_DEPTH_121212: 209 samples *= 6; 210 break; 211 default: 212 samples *= 4; 213 break; 214 } 215 216 samples /= 4; 217 218 /*check limitation*/ 219 if (samples < 88200) 220 limit_freq_to_48_khz = true; 221 else if (samples < 96000) 222 limit_freq_to_88_2_khz = true; 223 else if (samples < 176400) 224 limit_freq_to_96_khz = true; 225 else if (samples < 192000) 226 limit_freq_to_174_4_khz = true; 227 228 if (sample_rates != NULL) { 229 /* limit frequencies */ 230 if (limit_freq_to_174_4_khz) 231 sample_rates->rate.RATE_192 = 0; 232 233 if (limit_freq_to_96_khz) { 234 sample_rates->rate.RATE_192 = 0; 235 sample_rates->rate.RATE_176_4 = 0; 236 } 237 if (limit_freq_to_88_2_khz) { 238 sample_rates->rate.RATE_192 = 0; 239 sample_rates->rate.RATE_176_4 = 0; 240 sample_rates->rate.RATE_96 = 0; 241 } 242 if (limit_freq_to_48_khz) { 243 sample_rates->rate.RATE_192 = 0; 244 sample_rates->rate.RATE_176_4 = 0; 245 sample_rates->rate.RATE_96 = 0; 246 sample_rates->rate.RATE_88_2 = 0; 247 } 248 } 249 } 250 251 /*For DP SST, calculate if specified sample rates can fit into a given timing */ 252 static void check_audio_bandwidth_dpsst( 253 const struct audio_crtc_info *crtc_info, 254 uint32_t channel_count, 255 union audio_sample_rates *sample_rates) 256 { 257 /* do nothing */ 258 } 259 260 /*For DP MST, calculate if specified sample rates can fit into a given timing */ 261 static void check_audio_bandwidth_dpmst( 262 const struct audio_crtc_info *crtc_info, 263 uint32_t channel_count, 264 union audio_sample_rates *sample_rates) 265 { 266 /* do nothing */ 267 } 268 269 static void check_audio_bandwidth( 270 const struct audio_crtc_info *crtc_info, 271 uint32_t channel_count, 272 enum signal_type signal, 273 union audio_sample_rates *sample_rates) 274 { 275 switch (signal) { 276 case SIGNAL_TYPE_HDMI_TYPE_A: 277 check_audio_bandwidth_hdmi( 278 crtc_info, channel_count, sample_rates); 279 break; 280 case SIGNAL_TYPE_EDP: 281 case SIGNAL_TYPE_DISPLAY_PORT: 282 check_audio_bandwidth_dpsst( 283 crtc_info, channel_count, sample_rates); 284 break; 285 case SIGNAL_TYPE_DISPLAY_PORT_MST: 286 check_audio_bandwidth_dpmst( 287 crtc_info, channel_count, sample_rates); 288 break; 289 default: 290 break; 291 } 292 } 293 294 /* expose/not expose HBR capability to Audio driver */ 295 static void set_high_bit_rate_capable( 296 struct audio *audio, 297 bool capable) 298 { 299 uint32_t value = 0; 300 301 /* set high bit rate audio capable*/ 302 value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_HBR); 303 304 set_reg_field_value(value, capable, 305 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_HBR, 306 HBR_CAPABLE); 307 308 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_HBR, value); 309 } 310 311 /* set video latency in in ms/2+1 */ 312 static void set_video_latency( 313 struct audio *audio, 314 int latency_in_ms) 315 { 316 uint32_t value = 0; 317 318 if ((latency_in_ms < 0) || (latency_in_ms > 255)) 319 return; 320 321 value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC); 322 323 set_reg_field_value(value, latency_in_ms, 324 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 325 VIDEO_LIPSYNC); 326 327 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 328 value); 329 } 330 331 /* set audio latency in in ms/2+1 */ 332 static void set_audio_latency( 333 struct audio *audio, 334 int latency_in_ms) 335 { 336 uint32_t value = 0; 337 338 if (latency_in_ms < 0) 339 latency_in_ms = 0; 340 341 if (latency_in_ms > 255) 342 latency_in_ms = 255; 343 344 value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC); 345 346 set_reg_field_value(value, latency_in_ms, 347 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 348 AUDIO_LIPSYNC); 349 350 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, 351 value); 352 } 353 354 void dce_aud_az_enable(struct audio *audio) 355 { 356 uint32_t value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL); 357 DC_LOGGER_INIT(); 358 359 set_reg_field_value(value, 1, 360 AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 361 CLOCK_GATING_DISABLE); 362 set_reg_field_value(value, 1, 363 AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 364 AUDIO_ENABLED); 365 366 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value); 367 set_reg_field_value(value, 0, 368 AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 369 CLOCK_GATING_DISABLE); 370 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value); 371 372 DC_LOG_HW_AUDIO("\n\t========= AUDIO:dce_aud_az_enable: index: %u data: 0x%x\n", 373 audio->inst, value); 374 } 375 376 void dce_aud_az_disable(struct audio *audio) 377 { 378 uint32_t value; 379 DC_LOGGER_INIT(); 380 381 value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL); 382 set_reg_field_value(value, 1, 383 AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 384 CLOCK_GATING_DISABLE); 385 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value); 386 387 set_reg_field_value(value, 0, 388 AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 389 AUDIO_ENABLED); 390 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value); 391 392 set_reg_field_value(value, 0, 393 AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 394 CLOCK_GATING_DISABLE); 395 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value); 396 value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL); 397 DC_LOG_HW_AUDIO("\n\t========= AUDIO:dce_aud_az_disable: index: %u data: 0x%x\n", 398 audio->inst, value); 399 } 400 401 void dce_aud_az_configure( 402 struct audio *audio, 403 enum signal_type signal, 404 const struct audio_crtc_info *crtc_info, 405 const struct audio_info *audio_info) 406 { 407 struct dce_audio *aud = DCE_AUD(audio); 408 409 uint32_t speakers = audio_info->flags.info.ALLSPEAKERS; 410 uint32_t value; 411 uint32_t field = 0; 412 enum audio_format_code audio_format_code; 413 uint32_t format_index; 414 uint32_t index; 415 bool is_ac3_supported = false; 416 union audio_sample_rates sample_rate; 417 uint32_t strlen = 0; 418 value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL); 419 set_reg_field_value(value, 1, 420 AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 421 CLOCK_GATING_DISABLE); 422 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value); 423 424 /* Speaker Allocation */ 425 /* 426 uint32_t value; 427 uint32_t field = 0;*/ 428 value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); 429 430 set_reg_field_value(value, 431 speakers, 432 AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 433 SPEAKER_ALLOCATION); 434 435 /* LFE_PLAYBACK_LEVEL = LFEPBL 436 * LFEPBL = 0 : Unknown or refer to other information 437 * LFEPBL = 1 : 0dB playback 438 * LFEPBL = 2 : +10dB playback 439 * LFE_BL = 3 : Reserved 440 */ 441 set_reg_field_value(value, 442 0, 443 AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 444 LFE_PLAYBACK_LEVEL); 445 /* todo: according to reg spec LFE_PLAYBACK_LEVEL is read only. 446 * why are we writing to it? DCE8 does not write this */ 447 448 449 set_reg_field_value(value, 450 0, 451 AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 452 HDMI_CONNECTION); 453 454 set_reg_field_value(value, 455 0, 456 AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 457 DP_CONNECTION); 458 459 field = get_reg_field_value(value, 460 AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 461 EXTRA_CONNECTION_INFO); 462 463 field &= ~0x1; 464 465 set_reg_field_value(value, 466 field, 467 AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 468 EXTRA_CONNECTION_INFO); 469 470 /* set audio for output signal */ 471 switch (signal) { 472 case SIGNAL_TYPE_HDMI_TYPE_A: 473 set_reg_field_value(value, 474 1, 475 AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 476 HDMI_CONNECTION); 477 478 break; 479 480 case SIGNAL_TYPE_EDP: 481 case SIGNAL_TYPE_DISPLAY_PORT: 482 case SIGNAL_TYPE_DISPLAY_PORT_MST: 483 set_reg_field_value(value, 484 1, 485 AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, 486 DP_CONNECTION); 487 break; 488 default: 489 BREAK_TO_DEBUGGER(); 490 break; 491 } 492 493 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, value); 494 495 /* Audio Descriptors */ 496 /* pass through all formats */ 497 for (format_index = 0; format_index < AUDIO_FORMAT_CODE_COUNT; 498 format_index++) { 499 audio_format_code = 500 (AUDIO_FORMAT_CODE_FIRST + format_index); 501 502 /* those are unsupported, skip programming */ 503 if (audio_format_code == AUDIO_FORMAT_CODE_1BITAUDIO || 504 audio_format_code == AUDIO_FORMAT_CODE_DST) 505 continue; 506 507 value = 0; 508 509 /* check if supported */ 510 if (is_audio_format_supported( 511 audio_info, audio_format_code, &index)) { 512 const struct audio_mode *audio_mode = 513 &audio_info->modes[index]; 514 union audio_sample_rates sample_rates = 515 audio_mode->sample_rates; 516 uint8_t byte2 = audio_mode->max_bit_rate; 517 518 /* adjust specific properties */ 519 switch (audio_format_code) { 520 case AUDIO_FORMAT_CODE_LINEARPCM: { 521 check_audio_bandwidth( 522 crtc_info, 523 audio_mode->channel_count, 524 signal, 525 &sample_rates); 526 527 byte2 = audio_mode->sample_size; 528 529 set_reg_field_value(value, 530 sample_rates.all, 531 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 532 SUPPORTED_FREQUENCIES_STEREO); 533 } 534 break; 535 case AUDIO_FORMAT_CODE_AC3: 536 is_ac3_supported = true; 537 break; 538 case AUDIO_FORMAT_CODE_DOLBYDIGITALPLUS: 539 case AUDIO_FORMAT_CODE_DTS_HD: 540 case AUDIO_FORMAT_CODE_MAT_MLP: 541 case AUDIO_FORMAT_CODE_DST: 542 case AUDIO_FORMAT_CODE_WMAPRO: 543 byte2 = audio_mode->vendor_specific; 544 break; 545 default: 546 break; 547 } 548 549 /* fill audio format data */ 550 set_reg_field_value(value, 551 audio_mode->channel_count - 1, 552 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 553 MAX_CHANNELS); 554 555 set_reg_field_value(value, 556 sample_rates.all, 557 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 558 SUPPORTED_FREQUENCIES); 559 560 set_reg_field_value(value, 561 byte2, 562 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, 563 DESCRIPTOR_BYTE_2); 564 } /* if */ 565 566 AZ_REG_WRITE( 567 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0 + format_index, 568 value); 569 } /* for */ 570 571 if (is_ac3_supported) 572 /* todo: this reg global. why program global register? */ 573 REG_WRITE(AZALIA_F0_CODEC_FUNCTION_PARAMETER_STREAM_FORMATS, 574 0x05); 575 576 /* check for 192khz/8-Ch support for HBR requirements */ 577 sample_rate.all = 0; 578 sample_rate.rate.RATE_192 = 1; 579 580 check_audio_bandwidth( 581 crtc_info, 582 8, 583 signal, 584 &sample_rate); 585 586 set_high_bit_rate_capable(audio, sample_rate.rate.RATE_192); 587 588 /* Audio and Video Lipsync */ 589 set_video_latency(audio, audio_info->video_latency); 590 set_audio_latency(audio, audio_info->audio_latency); 591 592 value = 0; 593 set_reg_field_value(value, audio_info->manufacture_id, 594 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO0, 595 MANUFACTURER_ID); 596 597 set_reg_field_value(value, audio_info->product_id, 598 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO0, 599 PRODUCT_ID); 600 601 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO0, 602 value); 603 604 value = 0; 605 606 /*get display name string length */ 607 while (audio_info->display_name[strlen++] != '\0') { 608 if (strlen >= 609 MAX_HW_AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS) 610 break; 611 } 612 set_reg_field_value(value, strlen, 613 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO1, 614 SINK_DESCRIPTION_LEN); 615 616 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO1, 617 value); 618 DC_LOG_HW_AUDIO("\n\tAUDIO:az_configure: index: %u data, 0x%x, displayName %s: \n", 619 audio->inst, value, audio_info->display_name); 620 621 /* 622 *write the port ID: 623 *PORT_ID0 = display index 624 *PORT_ID1 = 16bit BDF 625 *(format MSB->LSB: 8bit Bus, 5bit Device, 3bit Function) 626 */ 627 628 value = 0; 629 630 set_reg_field_value(value, audio_info->port_id[0], 631 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO2, 632 PORT_ID0); 633 634 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO2, value); 635 636 value = 0; 637 set_reg_field_value(value, audio_info->port_id[1], 638 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO3, 639 PORT_ID1); 640 641 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO3, value); 642 643 /*write the 18 char monitor string */ 644 645 value = 0; 646 set_reg_field_value(value, audio_info->display_name[0], 647 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO4, 648 DESCRIPTION0); 649 650 set_reg_field_value(value, audio_info->display_name[1], 651 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO4, 652 DESCRIPTION1); 653 654 set_reg_field_value(value, audio_info->display_name[2], 655 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO4, 656 DESCRIPTION2); 657 658 set_reg_field_value(value, audio_info->display_name[3], 659 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO4, 660 DESCRIPTION3); 661 662 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO4, value); 663 664 value = 0; 665 set_reg_field_value(value, audio_info->display_name[4], 666 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO5, 667 DESCRIPTION4); 668 669 set_reg_field_value(value, audio_info->display_name[5], 670 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO5, 671 DESCRIPTION5); 672 673 set_reg_field_value(value, audio_info->display_name[6], 674 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO5, 675 DESCRIPTION6); 676 677 set_reg_field_value(value, audio_info->display_name[7], 678 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO5, 679 DESCRIPTION7); 680 681 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO5, value); 682 683 value = 0; 684 set_reg_field_value(value, audio_info->display_name[8], 685 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO6, 686 DESCRIPTION8); 687 688 set_reg_field_value(value, audio_info->display_name[9], 689 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO6, 690 DESCRIPTION9); 691 692 set_reg_field_value(value, audio_info->display_name[10], 693 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO6, 694 DESCRIPTION10); 695 696 set_reg_field_value(value, audio_info->display_name[11], 697 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO6, 698 DESCRIPTION11); 699 700 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO6, value); 701 702 value = 0; 703 set_reg_field_value(value, audio_info->display_name[12], 704 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO7, 705 DESCRIPTION12); 706 707 set_reg_field_value(value, audio_info->display_name[13], 708 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO7, 709 DESCRIPTION13); 710 711 set_reg_field_value(value, audio_info->display_name[14], 712 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO7, 713 DESCRIPTION14); 714 715 set_reg_field_value(value, audio_info->display_name[15], 716 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO7, 717 DESCRIPTION15); 718 719 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO7, value); 720 721 value = 0; 722 set_reg_field_value(value, audio_info->display_name[16], 723 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO8, 724 DESCRIPTION16); 725 726 set_reg_field_value(value, audio_info->display_name[17], 727 AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO8, 728 DESCRIPTION17); 729 730 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO8, value); 731 value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL); 732 set_reg_field_value(value, 0, 733 AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 734 CLOCK_GATING_DISABLE); 735 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value); 736 } 737 738 /* 739 * todo: wall clk related functionality probably belong to clock_src. 740 */ 741 742 /* search pixel clock value for Azalia HDMI Audio */ 743 static void get_azalia_clock_info_hdmi( 744 uint32_t crtc_pixel_clock_100hz, 745 uint32_t actual_pixel_clock_100Hz, 746 struct azalia_clock_info *azalia_clock_info) 747 { 748 /* audio_dto_phase= 24 * 10,000; 749 * 24MHz in [100Hz] units */ 750 azalia_clock_info->audio_dto_phase = 751 24 * 10000; 752 753 /* audio_dto_module = PCLKFrequency * 10,000; 754 * [khz] -> [100Hz] */ 755 azalia_clock_info->audio_dto_module = 756 actual_pixel_clock_100Hz; 757 } 758 759 static void get_azalia_clock_info_dp( 760 uint32_t requested_pixel_clock_100Hz, 761 const struct audio_pll_info *pll_info, 762 struct azalia_clock_info *azalia_clock_info) 763 { 764 /* Reported dpDtoSourceClockInkhz value for 765 * DCE8 already adjusted for SS, do not need any 766 * adjustment here anymore 767 */ 768 769 /*audio_dto_phase = 24 * 10,000; 770 * 24MHz in [100Hz] units */ 771 azalia_clock_info->audio_dto_phase = 24 * 10000; 772 773 /*audio_dto_module = dpDtoSourceClockInkhz * 10,000; 774 * [khz] ->[100Hz] */ 775 azalia_clock_info->audio_dto_module = 776 pll_info->dp_dto_source_clock_in_khz * 10; 777 } 778 779 void dce_aud_wall_dto_setup( 780 struct audio *audio, 781 enum signal_type signal, 782 const struct audio_crtc_info *crtc_info, 783 const struct audio_pll_info *pll_info) 784 { 785 struct dce_audio *aud = DCE_AUD(audio); 786 787 struct azalia_clock_info clock_info = { 0 }; 788 789 if (dc_is_hdmi_tmds_signal(signal)) { 790 uint32_t src_sel; 791 792 /*DTO0 Programming goal: 793 -generate 24MHz, 128*Fs from 24MHz 794 -use DTO0 when an active HDMI port is connected 795 (optionally a DP is connected) */ 796 797 /* calculate DTO settings */ 798 get_azalia_clock_info_hdmi( 799 crtc_info->requested_pixel_clock_100Hz, 800 crtc_info->calculated_pixel_clock_100Hz, 801 &clock_info); 802 803 DC_LOG_HW_AUDIO("\n%s:Input::requested_pixel_clock_100Hz = %d"\ 804 "calculated_pixel_clock_100Hz =%d\n"\ 805 "audio_dto_module = %d audio_dto_phase =%d \n\n", __func__,\ 806 crtc_info->requested_pixel_clock_100Hz,\ 807 crtc_info->calculated_pixel_clock_100Hz,\ 808 clock_info.audio_dto_module,\ 809 clock_info.audio_dto_phase); 810 811 /* On TN/SI, Program DTO source select and DTO select before 812 programming DTO modulo and DTO phase. These bits must be 813 programmed first, otherwise there will be no HDMI audio at boot 814 up. This is a HW sequence change (different from old ASICs). 815 Caution when changing this programming sequence. 816 817 HDMI enabled, using DTO0 818 program master CRTC for DTO0 */ 819 src_sel = pll_info->dto_source - DTO_SOURCE_ID0; 820 REG_UPDATE_2(DCCG_AUDIO_DTO_SOURCE, 821 DCCG_AUDIO_DTO0_SOURCE_SEL, src_sel, 822 DCCG_AUDIO_DTO_SEL, 0); 823 824 /* module */ 825 REG_UPDATE(DCCG_AUDIO_DTO0_MODULE, 826 DCCG_AUDIO_DTO0_MODULE, clock_info.audio_dto_module); 827 828 /* phase */ 829 REG_UPDATE(DCCG_AUDIO_DTO0_PHASE, 830 DCCG_AUDIO_DTO0_PHASE, clock_info.audio_dto_phase); 831 } else { 832 /*DTO1 Programming goal: 833 -generate 24MHz, 512*Fs, 128*Fs from 24MHz 834 -default is to used DTO1, and switch to DTO0 when an audio 835 master HDMI port is connected 836 -use as default for DP 837 838 calculate DTO settings */ 839 get_azalia_clock_info_dp( 840 crtc_info->requested_pixel_clock_100Hz, 841 pll_info, 842 &clock_info); 843 844 /* Program DTO select before programming DTO modulo and DTO 845 phase. default to use DTO1 */ 846 847 REG_UPDATE(DCCG_AUDIO_DTO_SOURCE, 848 DCCG_AUDIO_DTO_SEL, 1); 849 850 /* DCCG_AUDIO_DTO2_USE_512FBR_DTO, 1) 851 * Select 512fs for DP TODO: web register definition 852 * does not match register header file 853 * DCE11 version it's commented out while DCE8 it's set to 1 854 */ 855 856 /* module */ 857 REG_UPDATE(DCCG_AUDIO_DTO1_MODULE, 858 DCCG_AUDIO_DTO1_MODULE, clock_info.audio_dto_module); 859 860 /* phase */ 861 REG_UPDATE(DCCG_AUDIO_DTO1_PHASE, 862 DCCG_AUDIO_DTO1_PHASE, clock_info.audio_dto_phase); 863 864 REG_UPDATE(DCCG_AUDIO_DTO_SOURCE, 865 DCCG_AUDIO_DTO2_USE_512FBR_DTO, 1); 866 867 } 868 } 869 870 static bool dce_aud_endpoint_valid(struct audio *audio) 871 { 872 uint32_t value; 873 uint32_t port_connectivity; 874 875 value = AZ_REG_READ( 876 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT); 877 878 port_connectivity = get_reg_field_value(value, 879 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT, 880 PORT_CONNECTIVITY); 881 882 return !(port_connectivity == 1); 883 } 884 885 /* initialize HW state */ 886 void dce_aud_hw_init( 887 struct audio *audio) 888 { 889 uint32_t value; 890 struct dce_audio *aud = DCE_AUD(audio); 891 892 /* we only need to program the following registers once, so we only do 893 it for the inst 0*/ 894 if (audio->inst != 0) 895 return; 896 897 /* Suport R5 - 32khz 898 * Suport R6 - 44.1khz 899 * Suport R7 - 48khz 900 */ 901 /*disable clock gating before write to endpoint register*/ 902 value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL); 903 set_reg_field_value(value, 1, 904 AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 905 CLOCK_GATING_DISABLE); 906 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value); 907 REG_UPDATE(AZALIA_F0_CODEC_FUNCTION_PARAMETER_SUPPORTED_SIZE_RATES, 908 AUDIO_RATE_CAPABILITIES, 0x70); 909 910 /*Keep alive bit to verify HW block in BU. */ 911 REG_UPDATE_2(AZALIA_F0_CODEC_FUNCTION_PARAMETER_POWER_STATES, 912 CLKSTOP, 1, 913 EPSS, 1); 914 set_reg_field_value(value, 0, 915 AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, 916 CLOCK_GATING_DISABLE); 917 AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value); 918 } 919 920 static const struct audio_funcs funcs = { 921 .endpoint_valid = dce_aud_endpoint_valid, 922 .hw_init = dce_aud_hw_init, 923 .wall_dto_setup = dce_aud_wall_dto_setup, 924 .az_enable = dce_aud_az_enable, 925 .az_disable = dce_aud_az_disable, 926 .az_configure = dce_aud_az_configure, 927 .destroy = dce_aud_destroy, 928 }; 929 void dce_aud_destroy(struct audio **audio) 930 { 931 struct dce_audio *aud = DCE_AUD(*audio); 932 933 kfree(aud); 934 *audio = NULL; 935 } 936 937 struct audio *dce_audio_create( 938 struct dc_context *ctx, 939 unsigned int inst, 940 const struct dce_audio_registers *reg, 941 const struct dce_audio_shift *shifts, 942 const struct dce_audio_mask *masks 943 ) 944 { 945 struct dce_audio *audio = kzalloc(sizeof(*audio), GFP_KERNEL); 946 947 if (audio == NULL) { 948 ASSERT_CRITICAL(audio); 949 return NULL; 950 } 951 952 audio->base.ctx = ctx; 953 audio->base.inst = inst; 954 audio->base.funcs = &funcs; 955 956 audio->regs = reg; 957 audio->shifts = shifts; 958 audio->masks = masks; 959 return &audio->base; 960 } 961 962