1/* 2 * Copyright 2014 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: Slava Grigorev <slava.grigorev@amd.com> 23 */ 24 25#include <linux/gcd.h> 26#include <linux/component.h> 27 28#include <drm/drm_crtc.h> 29#include "dce6_afmt.h" 30#include "evergreen_hdmi.h" 31#include "radeon.h" 32#include "atom.h" 33#include "r600.h" 34#include "radeon_audio.h" 35 36void dce6_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin, 37 u8 enable_mask); 38struct r600_audio_pin* r600_audio_get_pin(struct radeon_device *rdev); 39struct r600_audio_pin* dce6_audio_get_pin(struct radeon_device *rdev); 40static void radeon_audio_hdmi_mode_set(struct drm_encoder *encoder, 41 struct drm_display_mode *mode); 42static void radeon_audio_dp_mode_set(struct drm_encoder *encoder, 43 struct drm_display_mode *mode); 44 45static const u32 pin_offsets[7] = 46{ 47 (0x5e00 - 0x5e00), 48 (0x5e18 - 0x5e00), 49 (0x5e30 - 0x5e00), 50 (0x5e48 - 0x5e00), 51 (0x5e60 - 0x5e00), 52 (0x5e78 - 0x5e00), 53 (0x5e90 - 0x5e00), 54}; 55 56static u32 radeon_audio_rreg(struct radeon_device *rdev, u32 offset, u32 reg) 57{ 58 return RREG32(reg); 59} 60 61static void radeon_audio_wreg(struct radeon_device *rdev, u32 offset, 62 u32 reg, u32 v) 63{ 64 WREG32(reg, v); 65} 66 67static struct radeon_audio_basic_funcs r600_funcs = { 68 .endpoint_rreg = radeon_audio_rreg, 69 .endpoint_wreg = radeon_audio_wreg, 70 .enable = r600_audio_enable, 71}; 72 73static struct radeon_audio_basic_funcs dce32_funcs = { 74 .endpoint_rreg = radeon_audio_rreg, 75 .endpoint_wreg = radeon_audio_wreg, 76 .enable = r600_audio_enable, 77}; 78 79static struct radeon_audio_basic_funcs dce4_funcs = { 80 .endpoint_rreg = radeon_audio_rreg, 81 .endpoint_wreg = radeon_audio_wreg, 82 .enable = dce4_audio_enable, 83}; 84 85static struct radeon_audio_basic_funcs dce6_funcs = { 86 .endpoint_rreg = dce6_endpoint_rreg, 87 .endpoint_wreg = dce6_endpoint_wreg, 88 .enable = dce6_audio_enable, 89}; 90 91static struct radeon_audio_funcs r600_hdmi_funcs = { 92 .get_pin = r600_audio_get_pin, 93 .set_dto = r600_hdmi_audio_set_dto, 94 .update_acr = r600_hdmi_update_acr, 95 .set_vbi_packet = r600_set_vbi_packet, 96 .set_avi_packet = r600_set_avi_packet, 97 .set_audio_packet = r600_set_audio_packet, 98 .set_mute = r600_set_mute, 99 .mode_set = radeon_audio_hdmi_mode_set, 100 .dpms = r600_hdmi_enable, 101}; 102 103static struct radeon_audio_funcs dce32_hdmi_funcs = { 104 .get_pin = r600_audio_get_pin, 105 .write_sad_regs = dce3_2_afmt_write_sad_regs, 106 .write_speaker_allocation = dce3_2_afmt_hdmi_write_speaker_allocation, 107 .set_dto = dce3_2_audio_set_dto, 108 .update_acr = dce3_2_hdmi_update_acr, 109 .set_vbi_packet = r600_set_vbi_packet, 110 .set_avi_packet = r600_set_avi_packet, 111 .set_audio_packet = dce3_2_set_audio_packet, 112 .set_mute = dce3_2_set_mute, 113 .mode_set = radeon_audio_hdmi_mode_set, 114 .dpms = r600_hdmi_enable, 115}; 116 117static struct radeon_audio_funcs dce32_dp_funcs = { 118 .get_pin = r600_audio_get_pin, 119 .write_sad_regs = dce3_2_afmt_write_sad_regs, 120 .write_speaker_allocation = dce3_2_afmt_dp_write_speaker_allocation, 121 .set_dto = dce3_2_audio_set_dto, 122 .set_avi_packet = r600_set_avi_packet, 123 .set_audio_packet = dce3_2_set_audio_packet, 124}; 125 126static struct radeon_audio_funcs dce4_hdmi_funcs = { 127 .get_pin = r600_audio_get_pin, 128 .write_sad_regs = evergreen_hdmi_write_sad_regs, 129 .write_speaker_allocation = dce4_afmt_hdmi_write_speaker_allocation, 130 .write_latency_fields = dce4_afmt_write_latency_fields, 131 .set_dto = dce4_hdmi_audio_set_dto, 132 .update_acr = evergreen_hdmi_update_acr, 133 .set_vbi_packet = dce4_set_vbi_packet, 134 .set_color_depth = dce4_hdmi_set_color_depth, 135 .set_avi_packet = evergreen_set_avi_packet, 136 .set_audio_packet = dce4_set_audio_packet, 137 .set_mute = dce4_set_mute, 138 .mode_set = radeon_audio_hdmi_mode_set, 139 .dpms = evergreen_hdmi_enable, 140}; 141 142static struct radeon_audio_funcs dce4_dp_funcs = { 143 .get_pin = r600_audio_get_pin, 144 .write_sad_regs = evergreen_hdmi_write_sad_regs, 145 .write_speaker_allocation = dce4_afmt_dp_write_speaker_allocation, 146 .write_latency_fields = dce4_afmt_write_latency_fields, 147 .set_dto = dce4_dp_audio_set_dto, 148 .set_avi_packet = evergreen_set_avi_packet, 149 .set_audio_packet = dce4_set_audio_packet, 150 .mode_set = radeon_audio_dp_mode_set, 151 .dpms = evergreen_dp_enable, 152}; 153 154static struct radeon_audio_funcs dce6_hdmi_funcs = { 155 .select_pin = dce6_afmt_select_pin, 156 .get_pin = dce6_audio_get_pin, 157 .write_sad_regs = dce6_afmt_write_sad_regs, 158 .write_speaker_allocation = dce6_afmt_hdmi_write_speaker_allocation, 159 .write_latency_fields = dce6_afmt_write_latency_fields, 160 .set_dto = dce6_hdmi_audio_set_dto, 161 .update_acr = evergreen_hdmi_update_acr, 162 .set_vbi_packet = dce4_set_vbi_packet, 163 .set_color_depth = dce4_hdmi_set_color_depth, 164 .set_avi_packet = evergreen_set_avi_packet, 165 .set_audio_packet = dce4_set_audio_packet, 166 .set_mute = dce4_set_mute, 167 .mode_set = radeon_audio_hdmi_mode_set, 168 .dpms = evergreen_hdmi_enable, 169}; 170 171static struct radeon_audio_funcs dce6_dp_funcs = { 172 .select_pin = dce6_afmt_select_pin, 173 .get_pin = dce6_audio_get_pin, 174 .write_sad_regs = dce6_afmt_write_sad_regs, 175 .write_speaker_allocation = dce6_afmt_dp_write_speaker_allocation, 176 .write_latency_fields = dce6_afmt_write_latency_fields, 177 .set_dto = dce6_dp_audio_set_dto, 178 .set_avi_packet = evergreen_set_avi_packet, 179 .set_audio_packet = dce4_set_audio_packet, 180 .mode_set = radeon_audio_dp_mode_set, 181 .dpms = evergreen_dp_enable, 182}; 183 184static void radeon_audio_component_notify(struct radeon_device *rdev, int port); 185 186static void radeon_audio_enable(struct radeon_device *rdev, 187 struct r600_audio_pin *pin, u8 enable_mask) 188{ 189 struct drm_encoder *encoder; 190 struct radeon_encoder *radeon_encoder; 191 struct radeon_encoder_atom_dig *dig; 192 int pin_count = 0; 193 194 if (!pin) 195 return; 196 197 if (rdev->mode_info.mode_config_initialized) { 198 list_for_each_entry(encoder, &rdev->ddev->mode_config.encoder_list, head) { 199 if (radeon_encoder_is_digital(encoder)) { 200 radeon_encoder = to_radeon_encoder(encoder); 201 dig = radeon_encoder->enc_priv; 202 if (dig->pin == pin) 203 pin_count++; 204 } 205 } 206 207 if ((pin_count > 1) && (enable_mask == 0)) 208 return; 209 } 210 211 if (rdev->audio.funcs->enable) 212 rdev->audio.funcs->enable(rdev, pin, enable_mask); 213 214 radeon_audio_component_notify(rdev, pin->id); 215} 216 217static void radeon_audio_interface_init(struct radeon_device *rdev) 218{ 219 if (ASIC_IS_DCE6(rdev)) { 220 rdev->audio.funcs = &dce6_funcs; 221 rdev->audio.hdmi_funcs = &dce6_hdmi_funcs; 222 rdev->audio.dp_funcs = &dce6_dp_funcs; 223 } else if (ASIC_IS_DCE4(rdev)) { 224 rdev->audio.funcs = &dce4_funcs; 225 rdev->audio.hdmi_funcs = &dce4_hdmi_funcs; 226 rdev->audio.dp_funcs = &dce4_dp_funcs; 227 } else if (ASIC_IS_DCE32(rdev)) { 228 rdev->audio.funcs = &dce32_funcs; 229 rdev->audio.hdmi_funcs = &dce32_hdmi_funcs; 230 rdev->audio.dp_funcs = &dce32_dp_funcs; 231 } else { 232 rdev->audio.funcs = &r600_funcs; 233 rdev->audio.hdmi_funcs = &r600_hdmi_funcs; 234 rdev->audio.dp_funcs = NULL; 235 } 236} 237 238static int radeon_audio_chipset_supported(struct radeon_device *rdev) 239{ 240 return ASIC_IS_DCE2(rdev) && !ASIC_IS_NODCE(rdev); 241} 242 243int radeon_audio_init(struct radeon_device *rdev) 244{ 245 int i; 246 247 if (!radeon_audio || !radeon_audio_chipset_supported(rdev)) 248 return 0; 249 250 rdev->audio.enabled = true; 251 252 if (ASIC_IS_DCE83(rdev)) /* KB: 2 streams, 3 endpoints */ 253 rdev->audio.num_pins = 3; 254 else if (ASIC_IS_DCE81(rdev)) /* KV: 4 streams, 7 endpoints */ 255 rdev->audio.num_pins = 7; 256 else if (ASIC_IS_DCE8(rdev)) /* BN/HW: 6 streams, 7 endpoints */ 257 rdev->audio.num_pins = 7; 258 else if (ASIC_IS_DCE64(rdev)) /* OL: 2 streams, 2 endpoints */ 259 rdev->audio.num_pins = 2; 260 else if (ASIC_IS_DCE61(rdev)) /* TN: 4 streams, 6 endpoints */ 261 rdev->audio.num_pins = 6; 262 else if (ASIC_IS_DCE6(rdev)) /* SI: 6 streams, 6 endpoints */ 263 rdev->audio.num_pins = 6; 264 else 265 rdev->audio.num_pins = 1; 266 267 for (i = 0; i < rdev->audio.num_pins; i++) { 268 rdev->audio.pin[i].channels = -1; 269 rdev->audio.pin[i].rate = -1; 270 rdev->audio.pin[i].bits_per_sample = -1; 271 rdev->audio.pin[i].status_bits = 0; 272 rdev->audio.pin[i].category_code = 0; 273 rdev->audio.pin[i].connected = false; 274 rdev->audio.pin[i].offset = pin_offsets[i]; 275 rdev->audio.pin[i].id = i; 276 } 277 278 radeon_audio_interface_init(rdev); 279 280 /* disable audio. it will be set up later */ 281 for (i = 0; i < rdev->audio.num_pins; i++) 282 radeon_audio_enable(rdev, &rdev->audio.pin[i], 0); 283 284 return 0; 285} 286 287u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev, u32 offset, u32 reg) 288{ 289 if (rdev->audio.funcs->endpoint_rreg) 290 return rdev->audio.funcs->endpoint_rreg(rdev, offset, reg); 291 292 return 0; 293} 294 295void radeon_audio_endpoint_wreg(struct radeon_device *rdev, u32 offset, 296 u32 reg, u32 v) 297{ 298 if (rdev->audio.funcs->endpoint_wreg) 299 rdev->audio.funcs->endpoint_wreg(rdev, offset, reg, v); 300} 301 302static void radeon_audio_write_sad_regs(struct drm_encoder *encoder) 303{ 304 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); 305 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 306 struct cea_sad *sads; 307 int sad_count; 308 309 if (!connector) 310 return; 311 312 sad_count = drm_edid_to_sad(radeon_connector_edid(connector), &sads); 313 if (sad_count < 0) 314 DRM_ERROR("Couldn't read SADs: %d\n", sad_count); 315 if (sad_count <= 0) 316 return; 317 BUG_ON(!sads); 318 319 if (radeon_encoder->audio && radeon_encoder->audio->write_sad_regs) 320 radeon_encoder->audio->write_sad_regs(encoder, sads, sad_count); 321 322 kfree(sads); 323} 324 325static void radeon_audio_write_speaker_allocation(struct drm_encoder *encoder) 326{ 327 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); 328 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 329 u8 *sadb = NULL; 330 int sad_count; 331 332 if (!connector) 333 return; 334 335 sad_count = drm_edid_to_speaker_allocation(radeon_connector_edid(connector), 336 &sadb); 337 if (sad_count < 0) { 338 DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n", 339 sad_count); 340 sad_count = 0; 341 } 342 343 if (radeon_encoder->audio && radeon_encoder->audio->write_speaker_allocation) 344 radeon_encoder->audio->write_speaker_allocation(encoder, sadb, sad_count); 345 346 kfree(sadb); 347} 348 349static void radeon_audio_write_latency_fields(struct drm_encoder *encoder, 350 struct drm_display_mode *mode) 351{ 352 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); 353 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 354 355 if (!connector) 356 return; 357 358 if (radeon_encoder->audio && radeon_encoder->audio->write_latency_fields) 359 radeon_encoder->audio->write_latency_fields(encoder, connector, mode); 360} 361 362struct r600_audio_pin* radeon_audio_get_pin(struct drm_encoder *encoder) 363{ 364 struct radeon_device *rdev = encoder->dev->dev_private; 365 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 366 367 if (radeon_encoder->audio && radeon_encoder->audio->get_pin) 368 return radeon_encoder->audio->get_pin(rdev); 369 370 return NULL; 371} 372 373static void radeon_audio_select_pin(struct drm_encoder *encoder) 374{ 375 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 376 377 if (radeon_encoder->audio && radeon_encoder->audio->select_pin) 378 radeon_encoder->audio->select_pin(encoder); 379} 380 381void radeon_audio_detect(struct drm_connector *connector, 382 struct drm_encoder *encoder, 383 enum drm_connector_status status) 384{ 385 struct drm_device *dev = connector->dev; 386 struct radeon_device *rdev = dev->dev_private; 387 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 388 struct radeon_encoder_atom_dig *dig; 389 390 if (!radeon_audio_chipset_supported(rdev)) 391 return; 392 393 if (!radeon_encoder_is_digital(encoder)) 394 return; 395 396 dig = radeon_encoder->enc_priv; 397 398 if (status == connector_status_connected) { 399 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 400 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 401 402 if (radeon_dp_getsinktype(radeon_connector) == 403 CONNECTOR_OBJECT_ID_DISPLAYPORT) 404 radeon_encoder->audio = rdev->audio.dp_funcs; 405 else 406 radeon_encoder->audio = rdev->audio.hdmi_funcs; 407 } else { 408 radeon_encoder->audio = rdev->audio.hdmi_funcs; 409 } 410 411 if (drm_detect_monitor_audio(radeon_connector_edid(connector))) { 412 if (!dig->pin) 413 dig->pin = radeon_audio_get_pin(encoder); 414 radeon_audio_enable(rdev, dig->pin, 0xf); 415 } else { 416 radeon_audio_enable(rdev, dig->pin, 0); 417 dig->pin = NULL; 418 } 419 } else { 420 radeon_audio_enable(rdev, dig->pin, 0); 421 dig->pin = NULL; 422 } 423} 424 425void radeon_audio_fini(struct radeon_device *rdev) 426{ 427 int i; 428 429 if (!rdev->audio.enabled) 430 return; 431 432 for (i = 0; i < rdev->audio.num_pins; i++) 433 radeon_audio_enable(rdev, &rdev->audio.pin[i], 0); 434 435 rdev->audio.enabled = false; 436} 437 438static void radeon_audio_set_dto(struct drm_encoder *encoder, unsigned int clock) 439{ 440 struct radeon_device *rdev = encoder->dev->dev_private; 441 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 442 struct radeon_crtc *crtc = to_radeon_crtc(encoder->crtc); 443 444 if (radeon_encoder->audio && radeon_encoder->audio->set_dto) 445 radeon_encoder->audio->set_dto(rdev, crtc, clock); 446} 447 448static int radeon_audio_set_avi_packet(struct drm_encoder *encoder, 449 struct drm_display_mode *mode) 450{ 451 struct radeon_device *rdev = encoder->dev->dev_private; 452 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 453 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 454 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); 455 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; 456 struct hdmi_avi_infoframe frame; 457 int err; 458 459 if (!connector) 460 return -EINVAL; 461 462 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode); 463 if (err < 0) { 464 DRM_ERROR("failed to setup AVI infoframe: %d\n", err); 465 return err; 466 } 467 468 if (radeon_encoder->output_csc != RADEON_OUTPUT_CSC_BYPASS) { 469 drm_hdmi_avi_infoframe_quant_range(&frame, connector, mode, 470 radeon_encoder->output_csc == RADEON_OUTPUT_CSC_TVRGB ? 471 HDMI_QUANTIZATION_RANGE_LIMITED : 472 HDMI_QUANTIZATION_RANGE_FULL); 473 } 474 475 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); 476 if (err < 0) { 477 DRM_ERROR("failed to pack AVI infoframe: %d\n", err); 478 return err; 479 } 480 481 if (dig && dig->afmt && radeon_encoder->audio && 482 radeon_encoder->audio->set_avi_packet) 483 radeon_encoder->audio->set_avi_packet(rdev, dig->afmt->offset, 484 buffer, sizeof(buffer)); 485 486 return 0; 487} 488 489/* 490 * calculate CTS and N values if they are not found in the table 491 */ 492static void radeon_audio_calc_cts(unsigned int clock, int *CTS, int *N, int freq) 493{ 494 int n, cts; 495 unsigned long div, mul; 496 497 /* Safe, but overly large values */ 498 n = 128 * freq; 499 cts = clock * 1000; 500 501 /* Smallest valid fraction */ 502 div = gcd(n, cts); 503 504 n /= div; 505 cts /= div; 506 507 /* 508 * The optimal N is 128*freq/1000. Calculate the closest larger 509 * value that doesn't truncate any bits. 510 */ 511 mul = ((128*freq/1000) + (n-1))/n; 512 513 n *= mul; 514 cts *= mul; 515 516 /* Check that we are in spec (not always possible) */ 517 if (n < (128*freq/1500)) 518 pr_warn("Calculated ACR N value is too small. You may experience audio problems.\n"); 519 if (n > (128*freq/300)) 520 pr_warn("Calculated ACR N value is too large. You may experience audio problems.\n"); 521 522 *N = n; 523 *CTS = cts; 524 525 DRM_DEBUG("Calculated ACR timing N=%d CTS=%d for frequency %d\n", 526 *N, *CTS, freq); 527} 528 529static const struct radeon_hdmi_acr* radeon_audio_acr(unsigned int clock) 530{ 531 static struct radeon_hdmi_acr res; 532 u8 i; 533 534 static const struct radeon_hdmi_acr hdmi_predefined_acr[] = { 535 /* 32kHz 44.1kHz 48kHz */ 536 /* Clock N CTS N CTS N CTS */ 537 { 25175, 4096, 25175, 28224, 125875, 6144, 25175 }, /* 25,20/1.001 MHz */ 538 { 25200, 4096, 25200, 6272, 28000, 6144, 25200 }, /* 25.20 MHz */ 539 { 27000, 4096, 27000, 6272, 30000, 6144, 27000 }, /* 27.00 MHz */ 540 { 27027, 4096, 27027, 6272, 30030, 6144, 27027 }, /* 27.00*1.001 MHz */ 541 { 54000, 4096, 54000, 6272, 60000, 6144, 54000 }, /* 54.00 MHz */ 542 { 54054, 4096, 54054, 6272, 60060, 6144, 54054 }, /* 54.00*1.001 MHz */ 543 { 74176, 4096, 74176, 5733, 75335, 6144, 74176 }, /* 74.25/1.001 MHz */ 544 { 74250, 4096, 74250, 6272, 82500, 6144, 74250 }, /* 74.25 MHz */ 545 { 148352, 4096, 148352, 5733, 150670, 6144, 148352 }, /* 148.50/1.001 MHz */ 546 { 148500, 4096, 148500, 6272, 165000, 6144, 148500 }, /* 148.50 MHz */ 547 }; 548 549 /* Precalculated values for common clocks */ 550 for (i = 0; i < ARRAY_SIZE(hdmi_predefined_acr); i++) 551 if (hdmi_predefined_acr[i].clock == clock) 552 return &hdmi_predefined_acr[i]; 553 554 /* And odd clocks get manually calculated */ 555 radeon_audio_calc_cts(clock, &res.cts_32khz, &res.n_32khz, 32000); 556 radeon_audio_calc_cts(clock, &res.cts_44_1khz, &res.n_44_1khz, 44100); 557 radeon_audio_calc_cts(clock, &res.cts_48khz, &res.n_48khz, 48000); 558 559 return &res; 560} 561 562/* 563 * update the N and CTS parameters for a given pixel clock rate 564 */ 565static void radeon_audio_update_acr(struct drm_encoder *encoder, unsigned int clock) 566{ 567 const struct radeon_hdmi_acr *acr = radeon_audio_acr(clock); 568 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 569 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 570 571 if (!dig || !dig->afmt) 572 return; 573 574 if (radeon_encoder->audio && radeon_encoder->audio->update_acr) 575 radeon_encoder->audio->update_acr(encoder, dig->afmt->offset, acr); 576} 577 578static void radeon_audio_set_vbi_packet(struct drm_encoder *encoder) 579{ 580 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 581 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 582 583 if (!dig || !dig->afmt) 584 return; 585 586 if (radeon_encoder->audio && radeon_encoder->audio->set_vbi_packet) 587 radeon_encoder->audio->set_vbi_packet(encoder, dig->afmt->offset); 588} 589 590static void radeon_hdmi_set_color_depth(struct drm_encoder *encoder) 591{ 592 int bpc = 8; 593 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 594 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 595 596 if (!dig || !dig->afmt) 597 return; 598 599 if (encoder->crtc) { 600 struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); 601 bpc = radeon_crtc->bpc; 602 } 603 604 if (radeon_encoder->audio && radeon_encoder->audio->set_color_depth) 605 radeon_encoder->audio->set_color_depth(encoder, dig->afmt->offset, bpc); 606} 607 608static void radeon_audio_set_audio_packet(struct drm_encoder *encoder) 609{ 610 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 611 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 612 613 if (!dig || !dig->afmt) 614 return; 615 616 if (radeon_encoder->audio && radeon_encoder->audio->set_audio_packet) 617 radeon_encoder->audio->set_audio_packet(encoder, dig->afmt->offset); 618} 619 620static void radeon_audio_set_mute(struct drm_encoder *encoder, bool mute) 621{ 622 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 623 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 624 625 if (!dig || !dig->afmt) 626 return; 627 628 if (radeon_encoder->audio && radeon_encoder->audio->set_mute) 629 radeon_encoder->audio->set_mute(encoder, dig->afmt->offset, mute); 630} 631 632/* 633 * update the info frames with the data from the current display mode 634 */ 635static void radeon_audio_hdmi_mode_set(struct drm_encoder *encoder, 636 struct drm_display_mode *mode) 637{ 638 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 639 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 640 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); 641 642 if (!dig || !dig->afmt) 643 return; 644 645 if (!connector) 646 return; 647 648 if (drm_detect_monitor_audio(radeon_connector_edid(connector))) { 649 radeon_audio_set_mute(encoder, true); 650 651 radeon_audio_write_speaker_allocation(encoder); 652 radeon_audio_write_sad_regs(encoder); 653 radeon_audio_write_latency_fields(encoder, mode); 654 radeon_audio_set_dto(encoder, mode->clock); 655 radeon_audio_set_vbi_packet(encoder); 656 radeon_hdmi_set_color_depth(encoder); 657 radeon_audio_update_acr(encoder, mode->clock); 658 radeon_audio_set_audio_packet(encoder); 659 radeon_audio_select_pin(encoder); 660 661 if (radeon_audio_set_avi_packet(encoder, mode) < 0) 662 return; 663 664 radeon_audio_set_mute(encoder, false); 665 } else { 666 radeon_hdmi_set_color_depth(encoder); 667 668 if (radeon_audio_set_avi_packet(encoder, mode) < 0) 669 return; 670 } 671} 672 673static void radeon_audio_dp_mode_set(struct drm_encoder *encoder, 674 struct drm_display_mode *mode) 675{ 676 struct drm_device *dev = encoder->dev; 677 struct radeon_device *rdev = dev->dev_private; 678 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 679 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 680 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); 681 682 if (!dig || !dig->afmt) 683 return; 684 685 if (!connector) 686 return; 687 688 if (drm_detect_monitor_audio(radeon_connector_edid(connector))) { 689 radeon_audio_write_speaker_allocation(encoder); 690 radeon_audio_write_sad_regs(encoder); 691 radeon_audio_write_latency_fields(encoder, mode); 692 radeon_audio_set_dto(encoder, rdev->clock.vco_freq * 10); 693 radeon_audio_set_audio_packet(encoder); 694 radeon_audio_select_pin(encoder); 695 696 if (radeon_audio_set_avi_packet(encoder, mode) < 0) 697 return; 698 } 699} 700 701void radeon_audio_mode_set(struct drm_encoder *encoder, 702 struct drm_display_mode *mode) 703{ 704 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 705 706 if (radeon_encoder->audio && radeon_encoder->audio->mode_set) 707 radeon_encoder->audio->mode_set(encoder, mode); 708} 709 710void radeon_audio_dpms(struct drm_encoder *encoder, int mode) 711{ 712 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 713 714 if (radeon_encoder->audio && radeon_encoder->audio->dpms) 715 radeon_encoder->audio->dpms(encoder, mode == DRM_MODE_DPMS_ON); 716} 717 718unsigned int radeon_audio_decode_dfs_div(unsigned int div) 719{ 720 if (div >= 8 && div < 64) 721 return (div - 8) * 25 + 200; 722 else if (div >= 64 && div < 96) 723 return (div - 64) * 50 + 1600; 724 else if (div >= 96 && div < 128) 725 return (div - 96) * 100 + 3200; 726 else 727 return 0; 728} 729 730/* 731 * Audio component support 732 */ 733static void radeon_audio_component_notify(struct radeon_device *rdev, int port) 734{ 735 struct drm_audio_component *acomp; 736 737 mutex_lock(&rdev->audio.component_mutex); 738 acomp = rdev->audio.component; 739 if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify) 740 acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr, 741 port, -1); 742 mutex_unlock(&rdev->audio.component_mutex); 743} 744 745#ifdef notyet 746 747static int radeon_audio_component_get_eld(struct device *kdev, int port, 748 int pipe, bool *enabled, 749 unsigned char *buf, int max_bytes) 750{ 751 struct drm_device *dev = dev_get_drvdata(kdev); 752 struct radeon_device *rdev = dev->dev_private; 753 struct drm_encoder *encoder; 754 struct radeon_encoder *radeon_encoder; 755 struct radeon_encoder_atom_dig *dig; 756 struct drm_connector *connector; 757 int ret = 0; 758 759 *enabled = false; 760 if (!rdev->audio.enabled || !rdev->mode_info.mode_config_initialized) 761 return 0; 762 763 list_for_each_entry(encoder, &rdev->ddev->mode_config.encoder_list, head) { 764 if (!radeon_encoder_is_digital(encoder)) 765 continue; 766 radeon_encoder = to_radeon_encoder(encoder); 767 dig = radeon_encoder->enc_priv; 768 if (!dig->pin || dig->pin->id != port) 769 continue; 770 connector = radeon_get_connector_for_encoder(encoder); 771 if (!connector) 772 continue; 773 *enabled = true; 774 ret = drm_eld_size(connector->eld); 775 memcpy(buf, connector->eld, min(max_bytes, ret)); 776 break; 777 } 778 779 return ret; 780} 781 782static const struct drm_audio_component_ops radeon_audio_component_ops = { 783 .get_eld = radeon_audio_component_get_eld, 784}; 785 786static int radeon_audio_component_bind(struct device *kdev, 787 struct device *hda_kdev, void *data) 788{ 789 struct drm_device *dev = dev_get_drvdata(kdev); 790 struct radeon_device *rdev = dev->dev_private; 791 struct drm_audio_component *acomp = data; 792 793 if (WARN_ON(!device_link_add(hda_kdev, kdev, DL_FLAG_STATELESS))) 794 return -ENOMEM; 795 796 mutex_lock(&rdev->audio.component_mutex); 797 acomp->ops = &radeon_audio_component_ops; 798 acomp->dev = kdev; 799 rdev->audio.component = acomp; 800 mutex_unlock(&rdev->audio.component_mutex); 801 802 return 0; 803} 804 805static void radeon_audio_component_unbind(struct device *kdev, 806 struct device *hda_kdev, void *data) 807{ 808 struct drm_device *dev = dev_get_drvdata(kdev); 809 struct radeon_device *rdev = dev->dev_private; 810 struct drm_audio_component *acomp = data; 811 812 device_link_remove(hda_kdev, kdev); 813 814 mutex_lock(&rdev->audio.component_mutex); 815 rdev->audio.component = NULL; 816 acomp->ops = NULL; 817 acomp->dev = NULL; 818 mutex_unlock(&rdev->audio.component_mutex); 819} 820 821static const struct component_ops radeon_audio_component_bind_ops = { 822 .bind = radeon_audio_component_bind, 823 .unbind = radeon_audio_component_unbind, 824}; 825 826#endif 827 828void radeon_audio_component_init(struct radeon_device *rdev) 829{ 830 if (rdev->audio.component_registered || 831 !radeon_audio || !radeon_audio_chipset_supported(rdev)) 832 return; 833#ifdef notyet 834 if (!component_add(rdev->dev, &radeon_audio_component_bind_ops)) 835 rdev->audio.component_registered = true; 836#else 837 STUB(); 838#endif 839} 840 841void radeon_audio_component_fini(struct radeon_device *rdev) 842{ 843 if (rdev->audio.component_registered) { 844#ifdef notyet 845 component_del(rdev->dev, &radeon_audio_component_bind_ops); 846 rdev->audio.component_registered = false; 847#else 848 STUB(); 849#endif 850 } 851} 852