1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // Copyright(c) 2020 Intel Corporation. All rights reserved. 4 // 5 // Author: Cezary Rojewski <cezary.rojewski@intel.com> 6 // 7 8 #include <linux/pm_runtime.h> 9 #include <sound/soc.h> 10 #include <sound/pcm_params.h> 11 #include <uapi/sound/tlv.h> 12 #include "core.h" 13 #include "messages.h" 14 15 struct catpt_stream_template { 16 enum catpt_path_id path_id; 17 enum catpt_stream_type type; 18 u32 persistent_size; 19 u8 num_entries; 20 struct catpt_module_entry entries[]; 21 }; 22 23 static struct catpt_stream_template system_pb = { 24 .path_id = CATPT_PATH_SSP0_OUT, 25 .type = CATPT_STRM_TYPE_SYSTEM, 26 .num_entries = 1, 27 .entries = {{ CATPT_MODID_PCM_SYSTEM, 0 }}, 28 }; 29 30 static struct catpt_stream_template system_cp = { 31 .path_id = CATPT_PATH_SSP0_IN, 32 .type = CATPT_STRM_TYPE_CAPTURE, 33 .num_entries = 1, 34 .entries = {{ CATPT_MODID_PCM_CAPTURE, 0 }}, 35 }; 36 37 static struct catpt_stream_template offload_pb = { 38 .path_id = CATPT_PATH_SSP0_OUT, 39 .type = CATPT_STRM_TYPE_RENDER, 40 .num_entries = 1, 41 .entries = {{ CATPT_MODID_PCM, 0 }}, 42 }; 43 44 static struct catpt_stream_template loopback_cp = { 45 .path_id = CATPT_PATH_SSP0_OUT, 46 .type = CATPT_STRM_TYPE_LOOPBACK, 47 .num_entries = 1, 48 .entries = {{ CATPT_MODID_PCM_REFERENCE, 0 }}, 49 }; 50 51 static struct catpt_stream_template bluetooth_pb = { 52 .path_id = CATPT_PATH_SSP1_OUT, 53 .type = CATPT_STRM_TYPE_BLUETOOTH_RENDER, 54 .num_entries = 1, 55 .entries = {{ CATPT_MODID_BLUETOOTH_RENDER, 0 }}, 56 }; 57 58 static struct catpt_stream_template bluetooth_cp = { 59 .path_id = CATPT_PATH_SSP1_IN, 60 .type = CATPT_STRM_TYPE_BLUETOOTH_CAPTURE, 61 .num_entries = 1, 62 .entries = {{ CATPT_MODID_BLUETOOTH_CAPTURE, 0 }}, 63 }; 64 65 static struct catpt_stream_template *catpt_topology[] = { 66 [CATPT_STRM_TYPE_RENDER] = &offload_pb, 67 [CATPT_STRM_TYPE_SYSTEM] = &system_pb, 68 [CATPT_STRM_TYPE_CAPTURE] = &system_cp, 69 [CATPT_STRM_TYPE_LOOPBACK] = &loopback_cp, 70 [CATPT_STRM_TYPE_BLUETOOTH_RENDER] = &bluetooth_pb, 71 [CATPT_STRM_TYPE_BLUETOOTH_CAPTURE] = &bluetooth_cp, 72 }; 73 74 static struct catpt_stream_template * 75 catpt_get_stream_template(struct snd_pcm_substream *substream) 76 { 77 struct snd_soc_pcm_runtime *rtm = substream->private_data; 78 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtm, 0); 79 enum catpt_stream_type type; 80 81 type = cpu_dai->driver->id; 82 83 /* account for capture in bidirectional dais */ 84 switch (type) { 85 case CATPT_STRM_TYPE_SYSTEM: 86 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) 87 type = CATPT_STRM_TYPE_CAPTURE; 88 break; 89 case CATPT_STRM_TYPE_BLUETOOTH_RENDER: 90 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) 91 type = CATPT_STRM_TYPE_BLUETOOTH_CAPTURE; 92 break; 93 default: 94 break; 95 }; 96 97 return catpt_topology[type]; 98 } 99 100 struct catpt_stream_runtime * 101 catpt_stream_find(struct catpt_dev *cdev, u8 stream_hw_id) 102 { 103 struct catpt_stream_runtime *pos, *result = NULL; 104 105 spin_lock(&cdev->list_lock); 106 list_for_each_entry(pos, &cdev->stream_list, node) { 107 if (pos->info.stream_hw_id == stream_hw_id) { 108 result = pos; 109 break; 110 } 111 } 112 113 spin_unlock(&cdev->list_lock); 114 return result; 115 } 116 117 static u32 catpt_stream_read_position(struct catpt_dev *cdev, 118 struct catpt_stream_runtime *stream) 119 { 120 u32 pos; 121 122 memcpy_fromio(&pos, cdev->lpe_ba + stream->info.read_pos_regaddr, 123 sizeof(pos)); 124 return pos; 125 } 126 127 static u32 catpt_stream_volume(struct catpt_dev *cdev, 128 struct catpt_stream_runtime *stream, u32 channel) 129 { 130 u32 volume, offset; 131 132 if (channel >= CATPT_CHANNELS_MAX) 133 channel = 0; 134 135 offset = stream->info.volume_regaddr[channel]; 136 memcpy_fromio(&volume, cdev->lpe_ba + offset, sizeof(volume)); 137 return volume; 138 } 139 140 static u32 catpt_mixer_volume(struct catpt_dev *cdev, 141 struct catpt_mixer_stream_info *info, u32 channel) 142 { 143 u32 volume, offset; 144 145 if (channel >= CATPT_CHANNELS_MAX) 146 channel = 0; 147 148 offset = info->volume_regaddr[channel]; 149 memcpy_fromio(&volume, cdev->lpe_ba + offset, sizeof(volume)); 150 return volume; 151 } 152 153 static void catpt_arrange_page_table(struct snd_pcm_substream *substream, 154 struct snd_dma_buffer *pgtbl) 155 { 156 struct snd_pcm_runtime *rtm = substream->runtime; 157 struct snd_dma_buffer *databuf = snd_pcm_get_dma_buf(substream); 158 int i, pages; 159 160 pages = snd_sgbuf_aligned_pages(rtm->dma_bytes); 161 162 for (i = 0; i < pages; i++) { 163 u32 pfn, offset; 164 u32 *page_table; 165 166 pfn = PFN_DOWN(snd_sgbuf_get_addr(databuf, i * PAGE_SIZE)); 167 /* incrementing by 2 on even and 3 on odd */ 168 offset = ((i << 2) + i) >> 1; 169 page_table = (u32 *)(pgtbl->area + offset); 170 171 if (i & 1) 172 *page_table |= (pfn << 4); 173 else 174 *page_table |= pfn; 175 } 176 } 177 178 static u32 catpt_get_channel_map(enum catpt_channel_config config) 179 { 180 switch (config) { 181 case CATPT_CHANNEL_CONFIG_MONO: 182 return GENMASK(31, 4) | CATPT_CHANNEL_CENTER; 183 184 case CATPT_CHANNEL_CONFIG_STEREO: 185 return GENMASK(31, 8) | CATPT_CHANNEL_LEFT 186 | (CATPT_CHANNEL_RIGHT << 4); 187 188 case CATPT_CHANNEL_CONFIG_2_POINT_1: 189 return GENMASK(31, 12) | CATPT_CHANNEL_LEFT 190 | (CATPT_CHANNEL_RIGHT << 4) 191 | (CATPT_CHANNEL_LFE << 8); 192 193 case CATPT_CHANNEL_CONFIG_3_POINT_0: 194 return GENMASK(31, 12) | CATPT_CHANNEL_LEFT 195 | (CATPT_CHANNEL_CENTER << 4) 196 | (CATPT_CHANNEL_RIGHT << 8); 197 198 case CATPT_CHANNEL_CONFIG_3_POINT_1: 199 return GENMASK(31, 16) | CATPT_CHANNEL_LEFT 200 | (CATPT_CHANNEL_CENTER << 4) 201 | (CATPT_CHANNEL_RIGHT << 8) 202 | (CATPT_CHANNEL_LFE << 12); 203 204 case CATPT_CHANNEL_CONFIG_QUATRO: 205 return GENMASK(31, 16) | CATPT_CHANNEL_LEFT 206 | (CATPT_CHANNEL_RIGHT << 4) 207 | (CATPT_CHANNEL_LEFT_SURROUND << 8) 208 | (CATPT_CHANNEL_RIGHT_SURROUND << 12); 209 210 case CATPT_CHANNEL_CONFIG_4_POINT_0: 211 return GENMASK(31, 16) | CATPT_CHANNEL_LEFT 212 | (CATPT_CHANNEL_CENTER << 4) 213 | (CATPT_CHANNEL_RIGHT << 8) 214 | (CATPT_CHANNEL_CENTER_SURROUND << 12); 215 216 case CATPT_CHANNEL_CONFIG_5_POINT_0: 217 return GENMASK(31, 20) | CATPT_CHANNEL_LEFT 218 | (CATPT_CHANNEL_CENTER << 4) 219 | (CATPT_CHANNEL_RIGHT << 8) 220 | (CATPT_CHANNEL_LEFT_SURROUND << 12) 221 | (CATPT_CHANNEL_RIGHT_SURROUND << 16); 222 223 case CATPT_CHANNEL_CONFIG_5_POINT_1: 224 return GENMASK(31, 24) | CATPT_CHANNEL_CENTER 225 | (CATPT_CHANNEL_LEFT << 4) 226 | (CATPT_CHANNEL_RIGHT << 8) 227 | (CATPT_CHANNEL_LEFT_SURROUND << 12) 228 | (CATPT_CHANNEL_RIGHT_SURROUND << 16) 229 | (CATPT_CHANNEL_LFE << 20); 230 231 case CATPT_CHANNEL_CONFIG_DUAL_MONO: 232 return GENMASK(31, 8) | CATPT_CHANNEL_LEFT 233 | (CATPT_CHANNEL_LEFT << 4); 234 235 default: 236 return U32_MAX; 237 } 238 } 239 240 static enum catpt_channel_config catpt_get_channel_config(u32 num_channels) 241 { 242 switch (num_channels) { 243 case 6: 244 return CATPT_CHANNEL_CONFIG_5_POINT_1; 245 case 5: 246 return CATPT_CHANNEL_CONFIG_5_POINT_0; 247 case 4: 248 return CATPT_CHANNEL_CONFIG_QUATRO; 249 case 3: 250 return CATPT_CHANNEL_CONFIG_2_POINT_1; 251 case 1: 252 return CATPT_CHANNEL_CONFIG_MONO; 253 case 2: 254 default: 255 return CATPT_CHANNEL_CONFIG_STEREO; 256 } 257 } 258 259 static int catpt_dai_startup(struct snd_pcm_substream *substream, 260 struct snd_soc_dai *dai) 261 { 262 struct catpt_dev *cdev = dev_get_drvdata(dai->dev); 263 struct catpt_stream_template *template; 264 struct catpt_stream_runtime *stream; 265 struct resource *res; 266 int ret; 267 268 template = catpt_get_stream_template(substream); 269 270 stream = kzalloc(sizeof(*stream), GFP_KERNEL); 271 if (!stream) 272 return -ENOMEM; 273 274 ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, cdev->dev, PAGE_SIZE, 275 &stream->pgtbl); 276 if (ret) 277 goto err_pgtbl; 278 279 res = catpt_request_region(&cdev->dram, template->persistent_size); 280 if (!res) { 281 ret = -EBUSY; 282 goto err_request; 283 } 284 285 catpt_dsp_update_srampge(cdev, &cdev->dram, cdev->spec->dram_mask); 286 287 stream->template = template; 288 stream->persistent = res; 289 stream->substream = substream; 290 INIT_LIST_HEAD(&stream->node); 291 snd_soc_dai_set_dma_data(dai, substream, stream); 292 293 spin_lock(&cdev->list_lock); 294 list_add_tail(&stream->node, &cdev->stream_list); 295 spin_unlock(&cdev->list_lock); 296 297 return 0; 298 299 err_request: 300 snd_dma_free_pages(&stream->pgtbl); 301 err_pgtbl: 302 kfree(stream); 303 return ret; 304 } 305 306 static void catpt_dai_shutdown(struct snd_pcm_substream *substream, 307 struct snd_soc_dai *dai) 308 { 309 struct catpt_dev *cdev = dev_get_drvdata(dai->dev); 310 struct catpt_stream_runtime *stream; 311 312 stream = snd_soc_dai_get_dma_data(dai, substream); 313 314 spin_lock(&cdev->list_lock); 315 list_del(&stream->node); 316 spin_unlock(&cdev->list_lock); 317 318 release_resource(stream->persistent); 319 kfree(stream->persistent); 320 catpt_dsp_update_srampge(cdev, &cdev->dram, cdev->spec->dram_mask); 321 322 snd_dma_free_pages(&stream->pgtbl); 323 kfree(stream); 324 snd_soc_dai_set_dma_data(dai, substream, NULL); 325 } 326 327 static int catpt_dai_hw_params(struct snd_pcm_substream *substream, 328 struct snd_pcm_hw_params *params, 329 struct snd_soc_dai *dai) 330 { 331 struct catpt_dev *cdev = dev_get_drvdata(dai->dev); 332 struct catpt_stream_runtime *stream; 333 struct catpt_audio_format afmt; 334 struct catpt_ring_info rinfo; 335 struct snd_pcm_runtime *rtm = substream->runtime; 336 struct snd_dma_buffer *dmab; 337 int ret; 338 339 stream = snd_soc_dai_get_dma_data(dai, substream); 340 if (stream->allocated) 341 return 0; 342 343 memset(&afmt, 0, sizeof(afmt)); 344 afmt.sample_rate = params_rate(params); 345 afmt.bit_depth = params_physical_width(params); 346 afmt.valid_bit_depth = params_width(params); 347 afmt.num_channels = params_channels(params); 348 afmt.channel_config = catpt_get_channel_config(afmt.num_channels); 349 afmt.channel_map = catpt_get_channel_map(afmt.channel_config); 350 afmt.interleaving = CATPT_INTERLEAVING_PER_CHANNEL; 351 352 dmab = snd_pcm_get_dma_buf(substream); 353 catpt_arrange_page_table(substream, &stream->pgtbl); 354 355 memset(&rinfo, 0, sizeof(rinfo)); 356 rinfo.page_table_addr = stream->pgtbl.addr; 357 rinfo.num_pages = DIV_ROUND_UP(rtm->dma_bytes, PAGE_SIZE); 358 rinfo.size = rtm->dma_bytes; 359 rinfo.offset = 0; 360 rinfo.ring_first_page_pfn = PFN_DOWN(snd_sgbuf_get_addr(dmab, 0)); 361 362 ret = catpt_ipc_alloc_stream(cdev, stream->template->path_id, 363 stream->template->type, 364 &afmt, &rinfo, 365 stream->template->num_entries, 366 stream->template->entries, 367 stream->persistent, 368 cdev->scratch, 369 &stream->info); 370 if (ret) 371 return CATPT_IPC_ERROR(ret); 372 373 stream->allocated = true; 374 return 0; 375 } 376 377 static int catpt_dai_hw_free(struct snd_pcm_substream *substream, 378 struct snd_soc_dai *dai) 379 { 380 struct catpt_dev *cdev = dev_get_drvdata(dai->dev); 381 struct catpt_stream_runtime *stream; 382 383 stream = snd_soc_dai_get_dma_data(dai, substream); 384 if (!stream->allocated) 385 return 0; 386 387 catpt_ipc_reset_stream(cdev, stream->info.stream_hw_id); 388 catpt_ipc_free_stream(cdev, stream->info.stream_hw_id); 389 390 stream->allocated = false; 391 return 0; 392 } 393 394 static int catpt_set_dspvol(struct catpt_dev *cdev, u8 stream_id, long *ctlvol); 395 396 static int catpt_dai_apply_usettings(struct snd_soc_dai *dai, 397 struct catpt_stream_runtime *stream) 398 { 399 struct catpt_dev *cdev = dev_get_drvdata(dai->dev); 400 struct snd_soc_component *component = dai->component; 401 struct snd_kcontrol *pos, *kctl = NULL; 402 const char *name; 403 int ret; 404 u32 id = stream->info.stream_hw_id; 405 406 /* only selected streams have individual controls */ 407 switch (id) { 408 case CATPT_PIN_ID_OFFLOAD1: 409 name = "Media0 Playback Volume"; 410 break; 411 case CATPT_PIN_ID_OFFLOAD2: 412 name = "Media1 Playback Volume"; 413 break; 414 case CATPT_PIN_ID_CAPTURE1: 415 name = "Mic Capture Volume"; 416 break; 417 case CATPT_PIN_ID_REFERENCE: 418 name = "Loopback Mute"; 419 break; 420 default: 421 return 0; 422 }; 423 424 list_for_each_entry(pos, &component->card->snd_card->controls, list) { 425 if (pos->private_data == component && 426 !strncmp(name, pos->id.name, sizeof(pos->id.name))) { 427 kctl = pos; 428 break; 429 } 430 } 431 if (!kctl) 432 return -ENOENT; 433 434 if (stream->template->type != CATPT_STRM_TYPE_LOOPBACK) 435 return catpt_set_dspvol(cdev, id, (long *)kctl->private_value); 436 ret = catpt_ipc_mute_loopback(cdev, id, *(bool *)kctl->private_value); 437 if (ret) 438 return CATPT_IPC_ERROR(ret); 439 return 0; 440 } 441 442 static int catpt_dai_prepare(struct snd_pcm_substream *substream, 443 struct snd_soc_dai *dai) 444 { 445 struct catpt_dev *cdev = dev_get_drvdata(dai->dev); 446 struct catpt_stream_runtime *stream; 447 int ret; 448 449 stream = snd_soc_dai_get_dma_data(dai, substream); 450 if (stream->prepared) 451 return 0; 452 453 ret = catpt_ipc_reset_stream(cdev, stream->info.stream_hw_id); 454 if (ret) 455 return CATPT_IPC_ERROR(ret); 456 457 ret = catpt_ipc_pause_stream(cdev, stream->info.stream_hw_id); 458 if (ret) 459 return CATPT_IPC_ERROR(ret); 460 461 ret = catpt_dsp_update_lpclock(cdev); 462 if (ret) 463 return ret; 464 465 ret = catpt_dai_apply_usettings(dai, stream); 466 if (ret) 467 return ret; 468 469 stream->prepared = true; 470 return 0; 471 } 472 473 static int catpt_dai_trigger(struct snd_pcm_substream *substream, int cmd, 474 struct snd_soc_dai *dai) 475 { 476 struct catpt_dev *cdev = dev_get_drvdata(dai->dev); 477 struct catpt_stream_runtime *stream; 478 struct snd_pcm_runtime *runtime = substream->runtime; 479 snd_pcm_uframes_t pos; 480 int ret; 481 482 stream = snd_soc_dai_get_dma_data(dai, substream); 483 484 switch (cmd) { 485 case SNDRV_PCM_TRIGGER_START: 486 /* only offload is set_write_pos driven */ 487 if (stream->template->type != CATPT_STRM_TYPE_RENDER) 488 goto resume_stream; 489 490 pos = frames_to_bytes(runtime, runtime->start_threshold); 491 /* 492 * Dsp operates on buffer halves, thus max 2x set_write_pos 493 * (entire buffer filled) prior to stream start. 494 */ 495 ret = catpt_ipc_set_write_pos(cdev, stream->info.stream_hw_id, 496 pos, false, false); 497 if (ret) 498 return CATPT_IPC_ERROR(ret); 499 fallthrough; 500 case SNDRV_PCM_TRIGGER_RESUME: 501 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 502 resume_stream: 503 ret = catpt_ipc_resume_stream(cdev, stream->info.stream_hw_id); 504 if (ret) 505 return CATPT_IPC_ERROR(ret); 506 break; 507 508 case SNDRV_PCM_TRIGGER_STOP: 509 stream->prepared = false; 510 catpt_dsp_update_lpclock(cdev); 511 fallthrough; 512 case SNDRV_PCM_TRIGGER_SUSPEND: 513 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 514 ret = catpt_ipc_pause_stream(cdev, stream->info.stream_hw_id); 515 if (ret) 516 return CATPT_IPC_ERROR(ret); 517 break; 518 519 default: 520 break; 521 } 522 523 return 0; 524 } 525 526 void catpt_stream_update_position(struct catpt_dev *cdev, 527 struct catpt_stream_runtime *stream, 528 struct catpt_notify_position *pos) 529 { 530 struct snd_pcm_substream *substream = stream->substream; 531 struct snd_pcm_runtime *r = substream->runtime; 532 snd_pcm_uframes_t dsppos, newpos; 533 int ret; 534 535 dsppos = bytes_to_frames(r, pos->stream_position); 536 537 /* only offload is set_write_pos driven */ 538 if (stream->template->type != CATPT_STRM_TYPE_RENDER) 539 goto exit; 540 541 if (dsppos >= r->buffer_size / 2) 542 newpos = r->buffer_size / 2; 543 else 544 newpos = 0; 545 /* 546 * Dsp operates on buffer halves, thus on every notify position 547 * (buffer half consumed) update wp to allow stream progression. 548 */ 549 ret = catpt_ipc_set_write_pos(cdev, stream->info.stream_hw_id, 550 frames_to_bytes(r, newpos), 551 false, false); 552 if (ret) { 553 dev_err(cdev->dev, "update position for stream %d failed: %d\n", 554 stream->info.stream_hw_id, ret); 555 return; 556 } 557 exit: 558 snd_pcm_period_elapsed(substream); 559 } 560 561 /* 200 ms for 2 32-bit channels at 48kHz (native format) */ 562 #define CATPT_BUFFER_MAX_SIZE 76800 563 #define CATPT_PCM_PERIODS_MAX 4 564 #define CATPT_PCM_PERIODS_MIN 2 565 566 static const struct snd_pcm_hardware catpt_pcm_hardware = { 567 .info = SNDRV_PCM_INFO_MMAP | 568 SNDRV_PCM_INFO_MMAP_VALID | 569 SNDRV_PCM_INFO_INTERLEAVED | 570 SNDRV_PCM_INFO_PAUSE | 571 SNDRV_PCM_INFO_RESUME | 572 SNDRV_PCM_INFO_NO_PERIOD_WAKEUP, 573 .formats = SNDRV_PCM_FMTBIT_S16_LE | 574 SNDRV_PCM_FMTBIT_S24_LE | 575 SNDRV_PCM_FMTBIT_S32_LE, 576 .period_bytes_min = PAGE_SIZE, 577 .period_bytes_max = CATPT_BUFFER_MAX_SIZE / CATPT_PCM_PERIODS_MIN, 578 .periods_min = CATPT_PCM_PERIODS_MIN, 579 .periods_max = CATPT_PCM_PERIODS_MAX, 580 .buffer_bytes_max = CATPT_BUFFER_MAX_SIZE, 581 }; 582 583 static int catpt_component_pcm_construct(struct snd_soc_component *component, 584 struct snd_soc_pcm_runtime *rtm) 585 { 586 struct catpt_dev *cdev = dev_get_drvdata(component->dev); 587 588 snd_pcm_set_managed_buffer_all(rtm->pcm, SNDRV_DMA_TYPE_DEV_SG, 589 cdev->dev, 590 catpt_pcm_hardware.buffer_bytes_max, 591 catpt_pcm_hardware.buffer_bytes_max); 592 593 return 0; 594 } 595 596 static int catpt_component_open(struct snd_soc_component *component, 597 struct snd_pcm_substream *substream) 598 { 599 struct snd_soc_pcm_runtime *rtm = substream->private_data; 600 601 if (rtm->dai_link->no_pcm) 602 return 0; 603 snd_soc_set_runtime_hwparams(substream, &catpt_pcm_hardware); 604 return 0; 605 } 606 607 static snd_pcm_uframes_t 608 catpt_component_pointer(struct snd_soc_component *component, 609 struct snd_pcm_substream *substream) 610 { 611 struct catpt_dev *cdev = dev_get_drvdata(component->dev); 612 struct catpt_stream_runtime *stream; 613 struct snd_soc_pcm_runtime *rtm = substream->private_data; 614 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtm, 0); 615 u32 pos; 616 617 if (rtm->dai_link->no_pcm) 618 return 0; 619 620 stream = snd_soc_dai_get_dma_data(cpu_dai, substream); 621 pos = catpt_stream_read_position(cdev, stream); 622 623 return bytes_to_frames(substream->runtime, pos); 624 } 625 626 static const struct snd_soc_dai_ops catpt_fe_dai_ops = { 627 .startup = catpt_dai_startup, 628 .shutdown = catpt_dai_shutdown, 629 .hw_params = catpt_dai_hw_params, 630 .hw_free = catpt_dai_hw_free, 631 .prepare = catpt_dai_prepare, 632 .trigger = catpt_dai_trigger, 633 }; 634 635 static int catpt_dai_pcm_new(struct snd_soc_pcm_runtime *rtm, 636 struct snd_soc_dai *dai) 637 { 638 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtm, 0); 639 struct catpt_dev *cdev = dev_get_drvdata(dai->dev); 640 struct catpt_ssp_device_format devfmt; 641 int ret; 642 643 devfmt.iface = dai->driver->id; 644 devfmt.channels = codec_dai->driver->capture.channels_max; 645 646 switch (devfmt.iface) { 647 case CATPT_SSP_IFACE_0: 648 devfmt.mclk = CATPT_MCLK_FREQ_24_MHZ; 649 650 switch (devfmt.channels) { 651 case 4: 652 devfmt.mode = CATPT_SSP_MODE_TDM_PROVIDER; 653 devfmt.clock_divider = 4; 654 break; 655 case 2: 656 default: 657 devfmt.mode = CATPT_SSP_MODE_I2S_PROVIDER; 658 devfmt.clock_divider = 9; 659 break; 660 } 661 break; 662 663 case CATPT_SSP_IFACE_1: 664 devfmt.mclk = CATPT_MCLK_OFF; 665 devfmt.mode = CATPT_SSP_MODE_I2S_CONSUMER; 666 devfmt.clock_divider = 0; 667 break; 668 } 669 670 ret = catpt_ipc_set_device_format(cdev, &devfmt); 671 if (ret) 672 return CATPT_IPC_ERROR(ret); 673 674 /* store device format set for given SSP */ 675 memcpy(&cdev->devfmt[devfmt.iface], &devfmt, sizeof(devfmt)); 676 return 0; 677 } 678 679 static struct snd_soc_dai_driver dai_drivers[] = { 680 /* FE DAIs */ 681 { 682 .name = "System Pin", 683 .id = CATPT_STRM_TYPE_SYSTEM, 684 .ops = &catpt_fe_dai_ops, 685 .playback = { 686 .stream_name = "System Playback", 687 .channels_min = 2, 688 .channels_max = 2, 689 .rates = SNDRV_PCM_RATE_48000, 690 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, 691 }, 692 .capture = { 693 .stream_name = "Analog Capture", 694 .channels_min = 2, 695 .channels_max = 4, 696 .rates = SNDRV_PCM_RATE_48000, 697 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, 698 }, 699 }, 700 { 701 .name = "Offload0 Pin", 702 .id = CATPT_STRM_TYPE_RENDER, 703 .ops = &catpt_fe_dai_ops, 704 .playback = { 705 .stream_name = "Offload0 Playback", 706 .channels_min = 2, 707 .channels_max = 2, 708 .rates = SNDRV_PCM_RATE_8000_192000, 709 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, 710 }, 711 }, 712 { 713 .name = "Offload1 Pin", 714 .id = CATPT_STRM_TYPE_RENDER, 715 .ops = &catpt_fe_dai_ops, 716 .playback = { 717 .stream_name = "Offload1 Playback", 718 .channels_min = 2, 719 .channels_max = 2, 720 .rates = SNDRV_PCM_RATE_8000_192000, 721 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, 722 }, 723 }, 724 { 725 .name = "Loopback Pin", 726 .id = CATPT_STRM_TYPE_LOOPBACK, 727 .ops = &catpt_fe_dai_ops, 728 .capture = { 729 .stream_name = "Loopback Capture", 730 .channels_min = 2, 731 .channels_max = 2, 732 .rates = SNDRV_PCM_RATE_48000, 733 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, 734 }, 735 }, 736 { 737 .name = "Bluetooth Pin", 738 .id = CATPT_STRM_TYPE_BLUETOOTH_RENDER, 739 .ops = &catpt_fe_dai_ops, 740 .playback = { 741 .stream_name = "Bluetooth Playback", 742 .channels_min = 1, 743 .channels_max = 1, 744 .rates = SNDRV_PCM_RATE_8000, 745 .formats = SNDRV_PCM_FMTBIT_S16_LE, 746 }, 747 .capture = { 748 .stream_name = "Bluetooth Capture", 749 .channels_min = 1, 750 .channels_max = 1, 751 .rates = SNDRV_PCM_RATE_8000, 752 .formats = SNDRV_PCM_FMTBIT_S16_LE, 753 }, 754 }, 755 /* BE DAIs */ 756 { 757 .name = "ssp0-port", 758 .id = CATPT_SSP_IFACE_0, 759 .pcm_new = catpt_dai_pcm_new, 760 .playback = { 761 .channels_min = 1, 762 .channels_max = 8, 763 }, 764 .capture = { 765 .channels_min = 1, 766 .channels_max = 8, 767 }, 768 }, 769 { 770 .name = "ssp1-port", 771 .id = CATPT_SSP_IFACE_1, 772 .pcm_new = catpt_dai_pcm_new, 773 .playback = { 774 .channels_min = 1, 775 .channels_max = 8, 776 }, 777 .capture = { 778 .channels_min = 1, 779 .channels_max = 8, 780 }, 781 }, 782 }; 783 784 #define DSP_VOLUME_MAX S32_MAX /* 0db */ 785 #define DSP_VOLUME_STEP_MAX 30 786 787 static u32 ctlvol_to_dspvol(u32 value) 788 { 789 if (value > DSP_VOLUME_STEP_MAX) 790 value = 0; 791 return DSP_VOLUME_MAX >> (DSP_VOLUME_STEP_MAX - value); 792 } 793 794 static u32 dspvol_to_ctlvol(u32 volume) 795 { 796 if (volume > DSP_VOLUME_MAX) 797 return DSP_VOLUME_STEP_MAX; 798 return volume ? __fls(volume) : 0; 799 } 800 801 static int catpt_set_dspvol(struct catpt_dev *cdev, u8 stream_id, long *ctlvol) 802 { 803 u32 dspvol; 804 int ret, i; 805 806 for (i = 1; i < CATPT_CHANNELS_MAX; i++) 807 if (ctlvol[i] != ctlvol[0]) 808 break; 809 810 if (i == CATPT_CHANNELS_MAX) { 811 dspvol = ctlvol_to_dspvol(ctlvol[0]); 812 813 ret = catpt_ipc_set_volume(cdev, stream_id, 814 CATPT_ALL_CHANNELS_MASK, dspvol, 815 0, CATPT_AUDIO_CURVE_NONE); 816 } else { 817 for (i = 0; i < CATPT_CHANNELS_MAX; i++) { 818 dspvol = ctlvol_to_dspvol(ctlvol[i]); 819 820 ret = catpt_ipc_set_volume(cdev, stream_id, 821 i, dspvol, 822 0, CATPT_AUDIO_CURVE_NONE); 823 if (ret) 824 break; 825 } 826 } 827 828 if (ret) 829 return CATPT_IPC_ERROR(ret); 830 return 0; 831 } 832 833 static int catpt_volume_info(struct snd_kcontrol *kcontrol, 834 struct snd_ctl_elem_info *uinfo) 835 { 836 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 837 uinfo->count = CATPT_CHANNELS_MAX; 838 uinfo->value.integer.min = 0; 839 uinfo->value.integer.max = DSP_VOLUME_STEP_MAX; 840 return 0; 841 } 842 843 static int catpt_mixer_volume_get(struct snd_kcontrol *kcontrol, 844 struct snd_ctl_elem_value *ucontrol) 845 { 846 struct snd_soc_component *component = 847 snd_soc_kcontrol_component(kcontrol); 848 struct catpt_dev *cdev = dev_get_drvdata(component->dev); 849 u32 dspvol; 850 int i; 851 852 pm_runtime_get_sync(cdev->dev); 853 854 for (i = 0; i < CATPT_CHANNELS_MAX; i++) { 855 dspvol = catpt_mixer_volume(cdev, &cdev->mixer, i); 856 ucontrol->value.integer.value[i] = dspvol_to_ctlvol(dspvol); 857 } 858 859 pm_runtime_mark_last_busy(cdev->dev); 860 pm_runtime_put_autosuspend(cdev->dev); 861 862 return 0; 863 } 864 865 static int catpt_mixer_volume_put(struct snd_kcontrol *kcontrol, 866 struct snd_ctl_elem_value *ucontrol) 867 { 868 struct snd_soc_component *component = 869 snd_soc_kcontrol_component(kcontrol); 870 struct catpt_dev *cdev = dev_get_drvdata(component->dev); 871 int ret; 872 873 pm_runtime_get_sync(cdev->dev); 874 875 ret = catpt_set_dspvol(cdev, cdev->mixer.mixer_hw_id, 876 ucontrol->value.integer.value); 877 878 pm_runtime_mark_last_busy(cdev->dev); 879 pm_runtime_put_autosuspend(cdev->dev); 880 881 return ret; 882 } 883 884 static int catpt_stream_volume_get(struct snd_kcontrol *kcontrol, 885 struct snd_ctl_elem_value *ucontrol, 886 enum catpt_pin_id pin_id) 887 { 888 struct snd_soc_component *component = 889 snd_soc_kcontrol_component(kcontrol); 890 struct catpt_dev *cdev = dev_get_drvdata(component->dev); 891 struct catpt_stream_runtime *stream; 892 long *ctlvol = (long *)kcontrol->private_value; 893 u32 dspvol; 894 int i; 895 896 stream = catpt_stream_find(cdev, pin_id); 897 if (!stream) { 898 for (i = 0; i < CATPT_CHANNELS_MAX; i++) 899 ucontrol->value.integer.value[i] = ctlvol[i]; 900 return 0; 901 } 902 903 pm_runtime_get_sync(cdev->dev); 904 905 for (i = 0; i < CATPT_CHANNELS_MAX; i++) { 906 dspvol = catpt_stream_volume(cdev, stream, i); 907 ucontrol->value.integer.value[i] = dspvol_to_ctlvol(dspvol); 908 } 909 910 pm_runtime_mark_last_busy(cdev->dev); 911 pm_runtime_put_autosuspend(cdev->dev); 912 913 return 0; 914 } 915 916 static int catpt_stream_volume_put(struct snd_kcontrol *kcontrol, 917 struct snd_ctl_elem_value *ucontrol, 918 enum catpt_pin_id pin_id) 919 { 920 struct snd_soc_component *component = 921 snd_soc_kcontrol_component(kcontrol); 922 struct catpt_dev *cdev = dev_get_drvdata(component->dev); 923 struct catpt_stream_runtime *stream; 924 long *ctlvol = (long *)kcontrol->private_value; 925 int ret, i; 926 927 stream = catpt_stream_find(cdev, pin_id); 928 if (!stream) { 929 for (i = 0; i < CATPT_CHANNELS_MAX; i++) 930 ctlvol[i] = ucontrol->value.integer.value[i]; 931 return 0; 932 } 933 934 pm_runtime_get_sync(cdev->dev); 935 936 ret = catpt_set_dspvol(cdev, stream->info.stream_hw_id, 937 ucontrol->value.integer.value); 938 939 pm_runtime_mark_last_busy(cdev->dev); 940 pm_runtime_put_autosuspend(cdev->dev); 941 942 if (ret) 943 return ret; 944 945 for (i = 0; i < CATPT_CHANNELS_MAX; i++) 946 ctlvol[i] = ucontrol->value.integer.value[i]; 947 return 0; 948 } 949 950 static int catpt_offload1_volume_get(struct snd_kcontrol *kctl, 951 struct snd_ctl_elem_value *uctl) 952 { 953 return catpt_stream_volume_get(kctl, uctl, CATPT_PIN_ID_OFFLOAD1); 954 } 955 956 static int catpt_offload1_volume_put(struct snd_kcontrol *kctl, 957 struct snd_ctl_elem_value *uctl) 958 { 959 return catpt_stream_volume_put(kctl, uctl, CATPT_PIN_ID_OFFLOAD1); 960 } 961 962 static int catpt_offload2_volume_get(struct snd_kcontrol *kctl, 963 struct snd_ctl_elem_value *uctl) 964 { 965 return catpt_stream_volume_get(kctl, uctl, CATPT_PIN_ID_OFFLOAD2); 966 } 967 968 static int catpt_offload2_volume_put(struct snd_kcontrol *kctl, 969 struct snd_ctl_elem_value *uctl) 970 { 971 return catpt_stream_volume_put(kctl, uctl, CATPT_PIN_ID_OFFLOAD2); 972 } 973 974 static int catpt_capture_volume_get(struct snd_kcontrol *kctl, 975 struct snd_ctl_elem_value *uctl) 976 { 977 return catpt_stream_volume_get(kctl, uctl, CATPT_PIN_ID_CAPTURE1); 978 } 979 980 static int catpt_capture_volume_put(struct snd_kcontrol *kctl, 981 struct snd_ctl_elem_value *uctl) 982 { 983 return catpt_stream_volume_put(kctl, uctl, CATPT_PIN_ID_CAPTURE1); 984 } 985 986 static int catpt_loopback_switch_get(struct snd_kcontrol *kcontrol, 987 struct snd_ctl_elem_value *ucontrol) 988 { 989 ucontrol->value.integer.value[0] = *(bool *)kcontrol->private_value; 990 return 0; 991 } 992 993 static int catpt_loopback_switch_put(struct snd_kcontrol *kcontrol, 994 struct snd_ctl_elem_value *ucontrol) 995 { 996 struct snd_soc_component *component = 997 snd_soc_kcontrol_component(kcontrol); 998 struct catpt_dev *cdev = dev_get_drvdata(component->dev); 999 struct catpt_stream_runtime *stream; 1000 bool mute; 1001 int ret; 1002 1003 mute = (bool)ucontrol->value.integer.value[0]; 1004 stream = catpt_stream_find(cdev, CATPT_PIN_ID_REFERENCE); 1005 if (!stream) { 1006 *(bool *)kcontrol->private_value = mute; 1007 return 0; 1008 } 1009 1010 pm_runtime_get_sync(cdev->dev); 1011 1012 ret = catpt_ipc_mute_loopback(cdev, stream->info.stream_hw_id, mute); 1013 1014 pm_runtime_mark_last_busy(cdev->dev); 1015 pm_runtime_put_autosuspend(cdev->dev); 1016 1017 if (ret) 1018 return CATPT_IPC_ERROR(ret); 1019 1020 *(bool *)kcontrol->private_value = mute; 1021 return 0; 1022 } 1023 1024 static int catpt_waves_switch_get(struct snd_kcontrol *kcontrol, 1025 struct snd_ctl_elem_value *ucontrol) 1026 { 1027 return 0; 1028 } 1029 1030 static int catpt_waves_switch_put(struct snd_kcontrol *kcontrol, 1031 struct snd_ctl_elem_value *ucontrol) 1032 { 1033 return 0; 1034 } 1035 1036 static int catpt_waves_param_get(struct snd_kcontrol *kcontrol, 1037 unsigned int __user *bytes, 1038 unsigned int size) 1039 { 1040 return 0; 1041 } 1042 1043 static int catpt_waves_param_put(struct snd_kcontrol *kcontrol, 1044 const unsigned int __user *bytes, 1045 unsigned int size) 1046 { 1047 return 0; 1048 } 1049 1050 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(catpt_volume_tlv, -9000, 300, 1); 1051 1052 #define CATPT_VOLUME_CTL(kname, sname) \ 1053 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 1054 .name = (kname), \ 1055 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 1056 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 1057 .info = catpt_volume_info, \ 1058 .get = catpt_##sname##_volume_get, \ 1059 .put = catpt_##sname##_volume_put, \ 1060 .tlv.p = catpt_volume_tlv, \ 1061 .private_value = (unsigned long) \ 1062 &(long[CATPT_CHANNELS_MAX]) {0} } 1063 1064 static const struct snd_kcontrol_new component_kcontrols[] = { 1065 /* Master volume (mixer stream) */ 1066 CATPT_VOLUME_CTL("Master Playback Volume", mixer), 1067 /* Individual volume controls for offload and capture */ 1068 CATPT_VOLUME_CTL("Media0 Playback Volume", offload1), 1069 CATPT_VOLUME_CTL("Media1 Playback Volume", offload2), 1070 CATPT_VOLUME_CTL("Mic Capture Volume", capture), 1071 SOC_SINGLE_BOOL_EXT("Loopback Mute", (unsigned long)&(bool[1]) {0}, 1072 catpt_loopback_switch_get, catpt_loopback_switch_put), 1073 /* Enable or disable WAVES module */ 1074 SOC_SINGLE_BOOL_EXT("Waves Switch", 0, 1075 catpt_waves_switch_get, catpt_waves_switch_put), 1076 /* WAVES module parameter control */ 1077 SND_SOC_BYTES_TLV("Waves Set Param", 128, 1078 catpt_waves_param_get, catpt_waves_param_put), 1079 }; 1080 1081 static const struct snd_soc_dapm_widget component_widgets[] = { 1082 SND_SOC_DAPM_AIF_IN("SSP0 CODEC IN", NULL, 0, SND_SOC_NOPM, 0, 0), 1083 SND_SOC_DAPM_AIF_OUT("SSP0 CODEC OUT", NULL, 0, SND_SOC_NOPM, 0, 0), 1084 SND_SOC_DAPM_AIF_IN("SSP1 BT IN", NULL, 0, SND_SOC_NOPM, 0, 0), 1085 SND_SOC_DAPM_AIF_OUT("SSP1 BT OUT", NULL, 0, SND_SOC_NOPM, 0, 0), 1086 1087 SND_SOC_DAPM_MIXER("Playback VMixer", SND_SOC_NOPM, 0, 0, NULL, 0), 1088 }; 1089 1090 static const struct snd_soc_dapm_route component_routes[] = { 1091 {"Playback VMixer", NULL, "System Playback"}, 1092 {"Playback VMixer", NULL, "Offload0 Playback"}, 1093 {"Playback VMixer", NULL, "Offload1 Playback"}, 1094 1095 {"SSP0 CODEC OUT", NULL, "Playback VMixer"}, 1096 1097 {"Analog Capture", NULL, "SSP0 CODEC IN"}, 1098 {"Loopback Capture", NULL, "SSP0 CODEC IN"}, 1099 1100 {"SSP1 BT OUT", NULL, "Bluetooth Playback"}, 1101 {"Bluetooth Capture", NULL, "SSP1 BT IN"}, 1102 }; 1103 1104 static const struct snd_soc_component_driver catpt_comp_driver = { 1105 .name = "catpt-platform", 1106 1107 .pcm_construct = catpt_component_pcm_construct, 1108 .open = catpt_component_open, 1109 .pointer = catpt_component_pointer, 1110 1111 .controls = component_kcontrols, 1112 .num_controls = ARRAY_SIZE(component_kcontrols), 1113 .dapm_widgets = component_widgets, 1114 .num_dapm_widgets = ARRAY_SIZE(component_widgets), 1115 .dapm_routes = component_routes, 1116 .num_dapm_routes = ARRAY_SIZE(component_routes), 1117 }; 1118 1119 int catpt_arm_stream_templates(struct catpt_dev *cdev) 1120 { 1121 struct resource *res; 1122 u32 scratch_size = 0; 1123 int i, j; 1124 1125 for (i = 0; i < ARRAY_SIZE(catpt_topology); i++) { 1126 struct catpt_stream_template *template; 1127 struct catpt_module_entry *entry; 1128 struct catpt_module_type *type; 1129 1130 template = catpt_topology[i]; 1131 template->persistent_size = 0; 1132 1133 for (j = 0; j < template->num_entries; j++) { 1134 entry = &template->entries[j]; 1135 type = &cdev->modules[entry->module_id]; 1136 1137 if (!type->loaded) 1138 return -ENOENT; 1139 1140 entry->entry_point = type->entry_point; 1141 template->persistent_size += type->persistent_size; 1142 if (type->scratch_size > scratch_size) 1143 scratch_size = type->scratch_size; 1144 } 1145 } 1146 1147 if (scratch_size) { 1148 /* allocate single scratch area for all modules */ 1149 res = catpt_request_region(&cdev->dram, scratch_size); 1150 if (!res) 1151 return -EBUSY; 1152 cdev->scratch = res; 1153 } 1154 1155 return 0; 1156 } 1157 1158 int catpt_register_plat_component(struct catpt_dev *cdev) 1159 { 1160 struct snd_soc_component *component; 1161 int ret; 1162 1163 component = devm_kzalloc(cdev->dev, sizeof(*component), GFP_KERNEL); 1164 if (!component) 1165 return -ENOMEM; 1166 1167 ret = snd_soc_component_initialize(component, &catpt_comp_driver, 1168 cdev->dev); 1169 if (ret) 1170 return ret; 1171 1172 component->name = catpt_comp_driver.name; 1173 return snd_soc_add_component(component, dai_drivers, 1174 ARRAY_SIZE(dai_drivers)); 1175 } 1176