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_set_dspvol(struct catpt_dev *cdev, u8 stream_id, long *ctlvol); 328 329 static int catpt_dai_apply_usettings(struct snd_soc_dai *dai, 330 struct catpt_stream_runtime *stream) 331 { 332 struct catpt_dev *cdev = dev_get_drvdata(dai->dev); 333 struct snd_soc_component *component = dai->component; 334 struct snd_kcontrol *pos, *kctl = NULL; 335 const char *name; 336 int ret; 337 u32 id = stream->info.stream_hw_id; 338 339 /* only selected streams have individual controls */ 340 switch (id) { 341 case CATPT_PIN_ID_OFFLOAD1: 342 name = "Media0 Playback Volume"; 343 break; 344 case CATPT_PIN_ID_OFFLOAD2: 345 name = "Media1 Playback Volume"; 346 break; 347 case CATPT_PIN_ID_CAPTURE1: 348 name = "Mic Capture Volume"; 349 break; 350 case CATPT_PIN_ID_REFERENCE: 351 name = "Loopback Mute"; 352 break; 353 default: 354 return 0; 355 }; 356 357 list_for_each_entry(pos, &component->card->snd_card->controls, list) { 358 if (pos->private_data == component && 359 !strncmp(name, pos->id.name, sizeof(pos->id.name))) { 360 kctl = pos; 361 break; 362 } 363 } 364 if (!kctl) 365 return -ENOENT; 366 367 if (stream->template->type != CATPT_STRM_TYPE_LOOPBACK) 368 return catpt_set_dspvol(cdev, id, (long *)kctl->private_value); 369 ret = catpt_ipc_mute_loopback(cdev, id, *(bool *)kctl->private_value); 370 if (ret) 371 return CATPT_IPC_ERROR(ret); 372 return 0; 373 } 374 375 static int catpt_dai_hw_params(struct snd_pcm_substream *substream, 376 struct snd_pcm_hw_params *params, 377 struct snd_soc_dai *dai) 378 { 379 struct catpt_dev *cdev = dev_get_drvdata(dai->dev); 380 struct catpt_stream_runtime *stream; 381 struct catpt_audio_format afmt; 382 struct catpt_ring_info rinfo; 383 struct snd_pcm_runtime *rtm = substream->runtime; 384 struct snd_dma_buffer *dmab; 385 int ret; 386 387 stream = snd_soc_dai_get_dma_data(dai, substream); 388 if (stream->allocated) 389 return 0; 390 391 memset(&afmt, 0, sizeof(afmt)); 392 afmt.sample_rate = params_rate(params); 393 afmt.bit_depth = params_physical_width(params); 394 afmt.valid_bit_depth = params_width(params); 395 afmt.num_channels = params_channels(params); 396 afmt.channel_config = catpt_get_channel_config(afmt.num_channels); 397 afmt.channel_map = catpt_get_channel_map(afmt.channel_config); 398 afmt.interleaving = CATPT_INTERLEAVING_PER_CHANNEL; 399 400 dmab = snd_pcm_get_dma_buf(substream); 401 catpt_arrange_page_table(substream, &stream->pgtbl); 402 403 memset(&rinfo, 0, sizeof(rinfo)); 404 rinfo.page_table_addr = stream->pgtbl.addr; 405 rinfo.num_pages = DIV_ROUND_UP(rtm->dma_bytes, PAGE_SIZE); 406 rinfo.size = rtm->dma_bytes; 407 rinfo.offset = 0; 408 rinfo.ring_first_page_pfn = PFN_DOWN(snd_sgbuf_get_addr(dmab, 0)); 409 410 ret = catpt_ipc_alloc_stream(cdev, stream->template->path_id, 411 stream->template->type, 412 &afmt, &rinfo, 413 stream->template->num_entries, 414 stream->template->entries, 415 stream->persistent, 416 cdev->scratch, 417 &stream->info); 418 if (ret) 419 return CATPT_IPC_ERROR(ret); 420 421 ret = catpt_dai_apply_usettings(dai, stream); 422 if (ret) 423 return ret; 424 425 stream->allocated = true; 426 return 0; 427 } 428 429 static int catpt_dai_hw_free(struct snd_pcm_substream *substream, 430 struct snd_soc_dai *dai) 431 { 432 struct catpt_dev *cdev = dev_get_drvdata(dai->dev); 433 struct catpt_stream_runtime *stream; 434 435 stream = snd_soc_dai_get_dma_data(dai, substream); 436 if (!stream->allocated) 437 return 0; 438 439 catpt_ipc_reset_stream(cdev, stream->info.stream_hw_id); 440 catpt_ipc_free_stream(cdev, stream->info.stream_hw_id); 441 442 stream->allocated = false; 443 return 0; 444 } 445 446 static int catpt_dai_prepare(struct snd_pcm_substream *substream, 447 struct snd_soc_dai *dai) 448 { 449 struct catpt_dev *cdev = dev_get_drvdata(dai->dev); 450 struct catpt_stream_runtime *stream; 451 int ret; 452 453 stream = snd_soc_dai_get_dma_data(dai, substream); 454 if (stream->prepared) 455 return 0; 456 457 ret = catpt_ipc_reset_stream(cdev, stream->info.stream_hw_id); 458 if (ret) 459 return CATPT_IPC_ERROR(ret); 460 461 ret = catpt_ipc_pause_stream(cdev, stream->info.stream_hw_id); 462 if (ret) 463 return CATPT_IPC_ERROR(ret); 464 465 stream->prepared = true; 466 return 0; 467 } 468 469 static int catpt_dai_trigger(struct snd_pcm_substream *substream, int cmd, 470 struct snd_soc_dai *dai) 471 { 472 struct catpt_dev *cdev = dev_get_drvdata(dai->dev); 473 struct catpt_stream_runtime *stream; 474 struct snd_pcm_runtime *runtime = substream->runtime; 475 snd_pcm_uframes_t pos; 476 int ret; 477 478 stream = snd_soc_dai_get_dma_data(dai, substream); 479 480 switch (cmd) { 481 case SNDRV_PCM_TRIGGER_START: 482 /* only offload is set_write_pos driven */ 483 if (stream->template->type != CATPT_STRM_TYPE_RENDER) 484 goto resume_stream; 485 486 pos = frames_to_bytes(runtime, runtime->start_threshold); 487 /* 488 * Dsp operates on buffer halves, thus max 2x set_write_pos 489 * (entire buffer filled) prior to stream start. 490 */ 491 ret = catpt_ipc_set_write_pos(cdev, stream->info.stream_hw_id, 492 pos, false, false); 493 if (ret) 494 return CATPT_IPC_ERROR(ret); 495 fallthrough; 496 case SNDRV_PCM_TRIGGER_RESUME: 497 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 498 resume_stream: 499 catpt_dsp_update_lpclock(cdev); 500 ret = catpt_ipc_resume_stream(cdev, stream->info.stream_hw_id); 501 if (ret) 502 return CATPT_IPC_ERROR(ret); 503 break; 504 505 case SNDRV_PCM_TRIGGER_STOP: 506 stream->prepared = false; 507 fallthrough; 508 case SNDRV_PCM_TRIGGER_SUSPEND: 509 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 510 ret = catpt_ipc_pause_stream(cdev, stream->info.stream_hw_id); 511 catpt_dsp_update_lpclock(cdev); 512 if (ret) 513 return CATPT_IPC_ERROR(ret); 514 break; 515 516 default: 517 break; 518 } 519 520 return 0; 521 } 522 523 void catpt_stream_update_position(struct catpt_dev *cdev, 524 struct catpt_stream_runtime *stream, 525 struct catpt_notify_position *pos) 526 { 527 struct snd_pcm_substream *substream = stream->substream; 528 struct snd_pcm_runtime *r = substream->runtime; 529 snd_pcm_uframes_t dsppos, newpos; 530 int ret; 531 532 dsppos = bytes_to_frames(r, pos->stream_position); 533 534 if (!stream->prepared) 535 goto exit; 536 /* only offload is set_write_pos driven */ 537 if (stream->template->type != CATPT_STRM_TYPE_RENDER) 538 goto exit; 539 540 if (dsppos >= r->buffer_size / 2) 541 newpos = r->buffer_size / 2; 542 else 543 newpos = 0; 544 /* 545 * Dsp operates on buffer halves, thus on every notify position 546 * (buffer half consumed) update wp to allow stream progression. 547 */ 548 ret = catpt_ipc_set_write_pos(cdev, stream->info.stream_hw_id, 549 frames_to_bytes(r, newpos), 550 false, false); 551 if (ret) { 552 dev_err(cdev->dev, "update position for stream %d failed: %d\n", 553 stream->info.stream_hw_id, ret); 554 return; 555 } 556 exit: 557 snd_pcm_period_elapsed(substream); 558 } 559 560 /* 200 ms for 2 32-bit channels at 48kHz (native format) */ 561 #define CATPT_BUFFER_MAX_SIZE 76800 562 #define CATPT_PCM_PERIODS_MAX 4 563 #define CATPT_PCM_PERIODS_MIN 2 564 565 static const struct snd_pcm_hardware catpt_pcm_hardware = { 566 .info = SNDRV_PCM_INFO_MMAP | 567 SNDRV_PCM_INFO_MMAP_VALID | 568 SNDRV_PCM_INFO_INTERLEAVED | 569 SNDRV_PCM_INFO_PAUSE | 570 SNDRV_PCM_INFO_RESUME | 571 SNDRV_PCM_INFO_NO_PERIOD_WAKEUP, 572 .formats = SNDRV_PCM_FMTBIT_S16_LE | 573 SNDRV_PCM_FMTBIT_S24_LE | 574 SNDRV_PCM_FMTBIT_S32_LE, 575 .period_bytes_min = PAGE_SIZE, 576 .period_bytes_max = CATPT_BUFFER_MAX_SIZE / CATPT_PCM_PERIODS_MIN, 577 .periods_min = CATPT_PCM_PERIODS_MIN, 578 .periods_max = CATPT_PCM_PERIODS_MAX, 579 .buffer_bytes_max = CATPT_BUFFER_MAX_SIZE, 580 }; 581 582 static int catpt_component_pcm_construct(struct snd_soc_component *component, 583 struct snd_soc_pcm_runtime *rtm) 584 { 585 struct catpt_dev *cdev = dev_get_drvdata(component->dev); 586 587 snd_pcm_set_managed_buffer_all(rtm->pcm, SNDRV_DMA_TYPE_DEV_SG, 588 cdev->dev, 589 catpt_pcm_hardware.buffer_bytes_max, 590 catpt_pcm_hardware.buffer_bytes_max); 591 592 return 0; 593 } 594 595 static int catpt_component_open(struct snd_soc_component *component, 596 struct snd_pcm_substream *substream) 597 { 598 struct snd_soc_pcm_runtime *rtm = substream->private_data; 599 600 if (rtm->dai_link->no_pcm) 601 return 0; 602 snd_soc_set_runtime_hwparams(substream, &catpt_pcm_hardware); 603 return 0; 604 } 605 606 static snd_pcm_uframes_t 607 catpt_component_pointer(struct snd_soc_component *component, 608 struct snd_pcm_substream *substream) 609 { 610 struct catpt_dev *cdev = dev_get_drvdata(component->dev); 611 struct catpt_stream_runtime *stream; 612 struct snd_soc_pcm_runtime *rtm = substream->private_data; 613 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtm, 0); 614 u32 pos; 615 616 if (rtm->dai_link->no_pcm) 617 return 0; 618 619 stream = snd_soc_dai_get_dma_data(cpu_dai, substream); 620 pos = catpt_stream_read_position(cdev, stream); 621 622 return bytes_to_frames(substream->runtime, pos); 623 } 624 625 static const struct snd_soc_dai_ops catpt_fe_dai_ops = { 626 .startup = catpt_dai_startup, 627 .shutdown = catpt_dai_shutdown, 628 .hw_params = catpt_dai_hw_params, 629 .hw_free = catpt_dai_hw_free, 630 .prepare = catpt_dai_prepare, 631 .trigger = catpt_dai_trigger, 632 }; 633 634 static int catpt_dai_pcm_new(struct snd_soc_pcm_runtime *rtm, 635 struct snd_soc_dai *dai) 636 { 637 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtm, 0); 638 struct catpt_dev *cdev = dev_get_drvdata(dai->dev); 639 struct catpt_ssp_device_format devfmt; 640 int ret; 641 642 devfmt.iface = dai->driver->id; 643 devfmt.channels = codec_dai->driver->capture.channels_max; 644 645 switch (devfmt.iface) { 646 case CATPT_SSP_IFACE_0: 647 devfmt.mclk = CATPT_MCLK_FREQ_24_MHZ; 648 649 switch (devfmt.channels) { 650 case 4: 651 devfmt.mode = CATPT_SSP_MODE_TDM_PROVIDER; 652 devfmt.clock_divider = 4; 653 break; 654 case 2: 655 default: 656 devfmt.mode = CATPT_SSP_MODE_I2S_PROVIDER; 657 devfmt.clock_divider = 9; 658 break; 659 } 660 break; 661 662 case CATPT_SSP_IFACE_1: 663 devfmt.mclk = CATPT_MCLK_OFF; 664 devfmt.mode = CATPT_SSP_MODE_I2S_CONSUMER; 665 devfmt.clock_divider = 0; 666 break; 667 } 668 669 /* see if this is a new configuration */ 670 if (!memcmp(&cdev->devfmt[devfmt.iface], &devfmt, sizeof(devfmt))) 671 return 0; 672 673 pm_runtime_get_sync(cdev->dev); 674 675 ret = catpt_ipc_set_device_format(cdev, &devfmt); 676 677 pm_runtime_mark_last_busy(cdev->dev); 678 pm_runtime_put_autosuspend(cdev->dev); 679 680 if (ret) 681 return CATPT_IPC_ERROR(ret); 682 683 /* store device format set for given SSP */ 684 memcpy(&cdev->devfmt[devfmt.iface], &devfmt, sizeof(devfmt)); 685 return 0; 686 } 687 688 static struct snd_soc_dai_driver dai_drivers[] = { 689 /* FE DAIs */ 690 { 691 .name = "System Pin", 692 .id = CATPT_STRM_TYPE_SYSTEM, 693 .ops = &catpt_fe_dai_ops, 694 .playback = { 695 .stream_name = "System Playback", 696 .channels_min = 2, 697 .channels_max = 2, 698 .rates = SNDRV_PCM_RATE_48000, 699 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, 700 }, 701 .capture = { 702 .stream_name = "Analog Capture", 703 .channels_min = 2, 704 .channels_max = 4, 705 .rates = SNDRV_PCM_RATE_48000, 706 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, 707 }, 708 }, 709 { 710 .name = "Offload0 Pin", 711 .id = CATPT_STRM_TYPE_RENDER, 712 .ops = &catpt_fe_dai_ops, 713 .playback = { 714 .stream_name = "Offload0 Playback", 715 .channels_min = 2, 716 .channels_max = 2, 717 .rates = SNDRV_PCM_RATE_8000_192000, 718 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, 719 }, 720 }, 721 { 722 .name = "Offload1 Pin", 723 .id = CATPT_STRM_TYPE_RENDER, 724 .ops = &catpt_fe_dai_ops, 725 .playback = { 726 .stream_name = "Offload1 Playback", 727 .channels_min = 2, 728 .channels_max = 2, 729 .rates = SNDRV_PCM_RATE_8000_192000, 730 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, 731 }, 732 }, 733 { 734 .name = "Loopback Pin", 735 .id = CATPT_STRM_TYPE_LOOPBACK, 736 .ops = &catpt_fe_dai_ops, 737 .capture = { 738 .stream_name = "Loopback Capture", 739 .channels_min = 2, 740 .channels_max = 2, 741 .rates = SNDRV_PCM_RATE_48000, 742 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, 743 }, 744 }, 745 { 746 .name = "Bluetooth Pin", 747 .id = CATPT_STRM_TYPE_BLUETOOTH_RENDER, 748 .ops = &catpt_fe_dai_ops, 749 .playback = { 750 .stream_name = "Bluetooth Playback", 751 .channels_min = 1, 752 .channels_max = 1, 753 .rates = SNDRV_PCM_RATE_8000, 754 .formats = SNDRV_PCM_FMTBIT_S16_LE, 755 }, 756 .capture = { 757 .stream_name = "Bluetooth Capture", 758 .channels_min = 1, 759 .channels_max = 1, 760 .rates = SNDRV_PCM_RATE_8000, 761 .formats = SNDRV_PCM_FMTBIT_S16_LE, 762 }, 763 }, 764 /* BE DAIs */ 765 { 766 .name = "ssp0-port", 767 .id = CATPT_SSP_IFACE_0, 768 .pcm_new = catpt_dai_pcm_new, 769 .playback = { 770 .channels_min = 1, 771 .channels_max = 8, 772 }, 773 .capture = { 774 .channels_min = 1, 775 .channels_max = 8, 776 }, 777 }, 778 { 779 .name = "ssp1-port", 780 .id = CATPT_SSP_IFACE_1, 781 .pcm_new = catpt_dai_pcm_new, 782 .playback = { 783 .channels_min = 1, 784 .channels_max = 8, 785 }, 786 .capture = { 787 .channels_min = 1, 788 .channels_max = 8, 789 }, 790 }, 791 }; 792 793 #define DSP_VOLUME_MAX S32_MAX /* 0db */ 794 #define DSP_VOLUME_STEP_MAX 30 795 796 static u32 ctlvol_to_dspvol(u32 value) 797 { 798 if (value > DSP_VOLUME_STEP_MAX) 799 value = 0; 800 return DSP_VOLUME_MAX >> (DSP_VOLUME_STEP_MAX - value); 801 } 802 803 static u32 dspvol_to_ctlvol(u32 volume) 804 { 805 if (volume > DSP_VOLUME_MAX) 806 return DSP_VOLUME_STEP_MAX; 807 return volume ? __fls(volume) : 0; 808 } 809 810 static int catpt_set_dspvol(struct catpt_dev *cdev, u8 stream_id, long *ctlvol) 811 { 812 u32 dspvol; 813 int ret, i; 814 815 for (i = 1; i < CATPT_CHANNELS_MAX; i++) 816 if (ctlvol[i] != ctlvol[0]) 817 break; 818 819 if (i == CATPT_CHANNELS_MAX) { 820 dspvol = ctlvol_to_dspvol(ctlvol[0]); 821 822 ret = catpt_ipc_set_volume(cdev, stream_id, 823 CATPT_ALL_CHANNELS_MASK, dspvol, 824 0, CATPT_AUDIO_CURVE_NONE); 825 } else { 826 for (i = 0; i < CATPT_CHANNELS_MAX; i++) { 827 dspvol = ctlvol_to_dspvol(ctlvol[i]); 828 829 ret = catpt_ipc_set_volume(cdev, stream_id, 830 i, dspvol, 831 0, CATPT_AUDIO_CURVE_NONE); 832 if (ret) 833 break; 834 } 835 } 836 837 if (ret) 838 return CATPT_IPC_ERROR(ret); 839 return 0; 840 } 841 842 static int catpt_volume_info(struct snd_kcontrol *kcontrol, 843 struct snd_ctl_elem_info *uinfo) 844 { 845 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 846 uinfo->count = CATPT_CHANNELS_MAX; 847 uinfo->value.integer.min = 0; 848 uinfo->value.integer.max = DSP_VOLUME_STEP_MAX; 849 return 0; 850 } 851 852 static int catpt_mixer_volume_get(struct snd_kcontrol *kcontrol, 853 struct snd_ctl_elem_value *ucontrol) 854 { 855 struct snd_soc_component *component = 856 snd_soc_kcontrol_component(kcontrol); 857 struct catpt_dev *cdev = dev_get_drvdata(component->dev); 858 u32 dspvol; 859 int i; 860 861 pm_runtime_get_sync(cdev->dev); 862 863 for (i = 0; i < CATPT_CHANNELS_MAX; i++) { 864 dspvol = catpt_mixer_volume(cdev, &cdev->mixer, i); 865 ucontrol->value.integer.value[i] = dspvol_to_ctlvol(dspvol); 866 } 867 868 pm_runtime_mark_last_busy(cdev->dev); 869 pm_runtime_put_autosuspend(cdev->dev); 870 871 return 0; 872 } 873 874 static int catpt_mixer_volume_put(struct snd_kcontrol *kcontrol, 875 struct snd_ctl_elem_value *ucontrol) 876 { 877 struct snd_soc_component *component = 878 snd_soc_kcontrol_component(kcontrol); 879 struct catpt_dev *cdev = dev_get_drvdata(component->dev); 880 int ret; 881 882 pm_runtime_get_sync(cdev->dev); 883 884 ret = catpt_set_dspvol(cdev, cdev->mixer.mixer_hw_id, 885 ucontrol->value.integer.value); 886 887 pm_runtime_mark_last_busy(cdev->dev); 888 pm_runtime_put_autosuspend(cdev->dev); 889 890 return ret; 891 } 892 893 static int catpt_stream_volume_get(struct snd_kcontrol *kcontrol, 894 struct snd_ctl_elem_value *ucontrol, 895 enum catpt_pin_id pin_id) 896 { 897 struct snd_soc_component *component = 898 snd_soc_kcontrol_component(kcontrol); 899 struct catpt_dev *cdev = dev_get_drvdata(component->dev); 900 struct catpt_stream_runtime *stream; 901 long *ctlvol = (long *)kcontrol->private_value; 902 u32 dspvol; 903 int i; 904 905 stream = catpt_stream_find(cdev, pin_id); 906 if (!stream) { 907 for (i = 0; i < CATPT_CHANNELS_MAX; i++) 908 ucontrol->value.integer.value[i] = ctlvol[i]; 909 return 0; 910 } 911 912 pm_runtime_get_sync(cdev->dev); 913 914 for (i = 0; i < CATPT_CHANNELS_MAX; i++) { 915 dspvol = catpt_stream_volume(cdev, stream, i); 916 ucontrol->value.integer.value[i] = dspvol_to_ctlvol(dspvol); 917 } 918 919 pm_runtime_mark_last_busy(cdev->dev); 920 pm_runtime_put_autosuspend(cdev->dev); 921 922 return 0; 923 } 924 925 static int catpt_stream_volume_put(struct snd_kcontrol *kcontrol, 926 struct snd_ctl_elem_value *ucontrol, 927 enum catpt_pin_id pin_id) 928 { 929 struct snd_soc_component *component = 930 snd_soc_kcontrol_component(kcontrol); 931 struct catpt_dev *cdev = dev_get_drvdata(component->dev); 932 struct catpt_stream_runtime *stream; 933 long *ctlvol = (long *)kcontrol->private_value; 934 int ret, i; 935 936 stream = catpt_stream_find(cdev, pin_id); 937 if (!stream) { 938 for (i = 0; i < CATPT_CHANNELS_MAX; i++) 939 ctlvol[i] = ucontrol->value.integer.value[i]; 940 return 0; 941 } 942 943 pm_runtime_get_sync(cdev->dev); 944 945 ret = catpt_set_dspvol(cdev, stream->info.stream_hw_id, 946 ucontrol->value.integer.value); 947 948 pm_runtime_mark_last_busy(cdev->dev); 949 pm_runtime_put_autosuspend(cdev->dev); 950 951 if (ret) 952 return ret; 953 954 for (i = 0; i < CATPT_CHANNELS_MAX; i++) 955 ctlvol[i] = ucontrol->value.integer.value[i]; 956 return 0; 957 } 958 959 static int catpt_offload1_volume_get(struct snd_kcontrol *kctl, 960 struct snd_ctl_elem_value *uctl) 961 { 962 return catpt_stream_volume_get(kctl, uctl, CATPT_PIN_ID_OFFLOAD1); 963 } 964 965 static int catpt_offload1_volume_put(struct snd_kcontrol *kctl, 966 struct snd_ctl_elem_value *uctl) 967 { 968 return catpt_stream_volume_put(kctl, uctl, CATPT_PIN_ID_OFFLOAD1); 969 } 970 971 static int catpt_offload2_volume_get(struct snd_kcontrol *kctl, 972 struct snd_ctl_elem_value *uctl) 973 { 974 return catpt_stream_volume_get(kctl, uctl, CATPT_PIN_ID_OFFLOAD2); 975 } 976 977 static int catpt_offload2_volume_put(struct snd_kcontrol *kctl, 978 struct snd_ctl_elem_value *uctl) 979 { 980 return catpt_stream_volume_put(kctl, uctl, CATPT_PIN_ID_OFFLOAD2); 981 } 982 983 static int catpt_capture_volume_get(struct snd_kcontrol *kctl, 984 struct snd_ctl_elem_value *uctl) 985 { 986 return catpt_stream_volume_get(kctl, uctl, CATPT_PIN_ID_CAPTURE1); 987 } 988 989 static int catpt_capture_volume_put(struct snd_kcontrol *kctl, 990 struct snd_ctl_elem_value *uctl) 991 { 992 return catpt_stream_volume_put(kctl, uctl, CATPT_PIN_ID_CAPTURE1); 993 } 994 995 static int catpt_loopback_switch_get(struct snd_kcontrol *kcontrol, 996 struct snd_ctl_elem_value *ucontrol) 997 { 998 ucontrol->value.integer.value[0] = *(bool *)kcontrol->private_value; 999 return 0; 1000 } 1001 1002 static int catpt_loopback_switch_put(struct snd_kcontrol *kcontrol, 1003 struct snd_ctl_elem_value *ucontrol) 1004 { 1005 struct snd_soc_component *component = 1006 snd_soc_kcontrol_component(kcontrol); 1007 struct catpt_dev *cdev = dev_get_drvdata(component->dev); 1008 struct catpt_stream_runtime *stream; 1009 bool mute; 1010 int ret; 1011 1012 mute = (bool)ucontrol->value.integer.value[0]; 1013 stream = catpt_stream_find(cdev, CATPT_PIN_ID_REFERENCE); 1014 if (!stream) { 1015 *(bool *)kcontrol->private_value = mute; 1016 return 0; 1017 } 1018 1019 pm_runtime_get_sync(cdev->dev); 1020 1021 ret = catpt_ipc_mute_loopback(cdev, stream->info.stream_hw_id, mute); 1022 1023 pm_runtime_mark_last_busy(cdev->dev); 1024 pm_runtime_put_autosuspend(cdev->dev); 1025 1026 if (ret) 1027 return CATPT_IPC_ERROR(ret); 1028 1029 *(bool *)kcontrol->private_value = mute; 1030 return 0; 1031 } 1032 1033 static int catpt_waves_switch_get(struct snd_kcontrol *kcontrol, 1034 struct snd_ctl_elem_value *ucontrol) 1035 { 1036 return 0; 1037 } 1038 1039 static int catpt_waves_switch_put(struct snd_kcontrol *kcontrol, 1040 struct snd_ctl_elem_value *ucontrol) 1041 { 1042 return 0; 1043 } 1044 1045 static int catpt_waves_param_get(struct snd_kcontrol *kcontrol, 1046 unsigned int __user *bytes, 1047 unsigned int size) 1048 { 1049 return 0; 1050 } 1051 1052 static int catpt_waves_param_put(struct snd_kcontrol *kcontrol, 1053 const unsigned int __user *bytes, 1054 unsigned int size) 1055 { 1056 return 0; 1057 } 1058 1059 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(catpt_volume_tlv, -9000, 300, 1); 1060 1061 #define CATPT_VOLUME_CTL(kname, sname) \ 1062 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 1063 .name = (kname), \ 1064 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 1065 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 1066 .info = catpt_volume_info, \ 1067 .get = catpt_##sname##_volume_get, \ 1068 .put = catpt_##sname##_volume_put, \ 1069 .tlv.p = catpt_volume_tlv, \ 1070 .private_value = (unsigned long) \ 1071 &(long[CATPT_CHANNELS_MAX]) {0} } 1072 1073 static const struct snd_kcontrol_new component_kcontrols[] = { 1074 /* Master volume (mixer stream) */ 1075 CATPT_VOLUME_CTL("Master Playback Volume", mixer), 1076 /* Individual volume controls for offload and capture */ 1077 CATPT_VOLUME_CTL("Media0 Playback Volume", offload1), 1078 CATPT_VOLUME_CTL("Media1 Playback Volume", offload2), 1079 CATPT_VOLUME_CTL("Mic Capture Volume", capture), 1080 SOC_SINGLE_BOOL_EXT("Loopback Mute", (unsigned long)&(bool[1]) {0}, 1081 catpt_loopback_switch_get, catpt_loopback_switch_put), 1082 /* Enable or disable WAVES module */ 1083 SOC_SINGLE_BOOL_EXT("Waves Switch", 0, 1084 catpt_waves_switch_get, catpt_waves_switch_put), 1085 /* WAVES module parameter control */ 1086 SND_SOC_BYTES_TLV("Waves Set Param", 128, 1087 catpt_waves_param_get, catpt_waves_param_put), 1088 }; 1089 1090 static const struct snd_soc_dapm_widget component_widgets[] = { 1091 SND_SOC_DAPM_AIF_IN("SSP0 CODEC IN", NULL, 0, SND_SOC_NOPM, 0, 0), 1092 SND_SOC_DAPM_AIF_OUT("SSP0 CODEC OUT", NULL, 0, SND_SOC_NOPM, 0, 0), 1093 SND_SOC_DAPM_AIF_IN("SSP1 BT IN", NULL, 0, SND_SOC_NOPM, 0, 0), 1094 SND_SOC_DAPM_AIF_OUT("SSP1 BT OUT", NULL, 0, SND_SOC_NOPM, 0, 0), 1095 1096 SND_SOC_DAPM_MIXER("Playback VMixer", SND_SOC_NOPM, 0, 0, NULL, 0), 1097 }; 1098 1099 static const struct snd_soc_dapm_route component_routes[] = { 1100 {"Playback VMixer", NULL, "System Playback"}, 1101 {"Playback VMixer", NULL, "Offload0 Playback"}, 1102 {"Playback VMixer", NULL, "Offload1 Playback"}, 1103 1104 {"SSP0 CODEC OUT", NULL, "Playback VMixer"}, 1105 1106 {"Analog Capture", NULL, "SSP0 CODEC IN"}, 1107 {"Loopback Capture", NULL, "SSP0 CODEC IN"}, 1108 1109 {"SSP1 BT OUT", NULL, "Bluetooth Playback"}, 1110 {"Bluetooth Capture", NULL, "SSP1 BT IN"}, 1111 }; 1112 1113 static const struct snd_soc_component_driver catpt_comp_driver = { 1114 .name = "catpt-platform", 1115 1116 .pcm_construct = catpt_component_pcm_construct, 1117 .open = catpt_component_open, 1118 .pointer = catpt_component_pointer, 1119 1120 .controls = component_kcontrols, 1121 .num_controls = ARRAY_SIZE(component_kcontrols), 1122 .dapm_widgets = component_widgets, 1123 .num_dapm_widgets = ARRAY_SIZE(component_widgets), 1124 .dapm_routes = component_routes, 1125 .num_dapm_routes = ARRAY_SIZE(component_routes), 1126 }; 1127 1128 int catpt_arm_stream_templates(struct catpt_dev *cdev) 1129 { 1130 struct resource *res; 1131 u32 scratch_size = 0; 1132 int i, j; 1133 1134 for (i = 0; i < ARRAY_SIZE(catpt_topology); i++) { 1135 struct catpt_stream_template *template; 1136 struct catpt_module_entry *entry; 1137 struct catpt_module_type *type; 1138 1139 template = catpt_topology[i]; 1140 template->persistent_size = 0; 1141 1142 for (j = 0; j < template->num_entries; j++) { 1143 entry = &template->entries[j]; 1144 type = &cdev->modules[entry->module_id]; 1145 1146 if (!type->loaded) 1147 return -ENOENT; 1148 1149 entry->entry_point = type->entry_point; 1150 template->persistent_size += type->persistent_size; 1151 if (type->scratch_size > scratch_size) 1152 scratch_size = type->scratch_size; 1153 } 1154 } 1155 1156 if (scratch_size) { 1157 /* allocate single scratch area for all modules */ 1158 res = catpt_request_region(&cdev->dram, scratch_size); 1159 if (!res) 1160 return -EBUSY; 1161 cdev->scratch = res; 1162 } 1163 1164 return 0; 1165 } 1166 1167 int catpt_register_plat_component(struct catpt_dev *cdev) 1168 { 1169 struct snd_soc_component *component; 1170 int ret; 1171 1172 component = devm_kzalloc(cdev->dev, sizeof(*component), GFP_KERNEL); 1173 if (!component) 1174 return -ENOMEM; 1175 1176 ret = snd_soc_component_initialize(component, &catpt_comp_driver, 1177 cdev->dev); 1178 if (ret) 1179 return ret; 1180 1181 component->name = catpt_comp_driver.name; 1182 return snd_soc_add_component(component, dai_drivers, 1183 ARRAY_SIZE(dai_drivers)); 1184 } 1185