1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2 // 3 // This file is provided under a dual BSD/GPLv2 license. When using or 4 // redistributing this file, you may do so under either license. 5 // 6 // Copyright(c) 2018 Intel Corporation. All rights reserved. 7 // 8 // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> 9 // 10 11 #include <linux/bits.h> 12 #include <linux/device.h> 13 #include <linux/errno.h> 14 #include <linux/firmware.h> 15 #include <linux/workqueue.h> 16 #include <sound/tlv.h> 17 #include <sound/pcm_params.h> 18 #include <uapi/sound/sof/tokens.h> 19 #include "sof-priv.h" 20 #include "sof-audio.h" 21 #include "ops.h" 22 23 #define COMP_ID_UNASSIGNED 0xffffffff 24 /* 25 * Constants used in the computation of linear volume gain 26 * from dB gain 20th root of 10 in Q1.16 fixed-point notation 27 */ 28 #define VOL_TWENTIETH_ROOT_OF_TEN 73533 29 /* 40th root of 10 in Q1.16 fixed-point notation*/ 30 #define VOL_FORTIETH_ROOT_OF_TEN 69419 31 /* 32 * Volume fractional word length define to 16 sets 33 * the volume linear gain value to use Qx.16 format 34 */ 35 #define VOLUME_FWL 16 36 /* 0.5 dB step value in topology TLV */ 37 #define VOL_HALF_DB_STEP 50 38 /* Full volume for default values */ 39 #define VOL_ZERO_DB BIT(VOLUME_FWL) 40 41 /* TLV data items */ 42 #define TLV_ITEMS 3 43 #define TLV_MIN 0 44 #define TLV_STEP 1 45 #define TLV_MUTE 2 46 47 /* size of tplg abi in byte */ 48 #define SOF_TPLG_ABI_SIZE 3 49 50 struct sof_widget_data { 51 int ctrl_type; 52 int ipc_cmd; 53 struct sof_abi_hdr *pdata; 54 struct snd_sof_control *control; 55 }; 56 57 /* send pcm params ipc */ 58 static int ipc_pcm_params(struct snd_sof_widget *swidget, int dir) 59 { 60 struct sof_ipc_pcm_params_reply ipc_params_reply; 61 struct snd_soc_component *scomp = swidget->scomp; 62 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 63 struct sof_ipc_pcm_params pcm; 64 struct snd_pcm_hw_params *params; 65 struct snd_sof_pcm *spcm; 66 int ret; 67 68 memset(&pcm, 0, sizeof(pcm)); 69 70 /* get runtime PCM params using widget's stream name */ 71 spcm = snd_sof_find_spcm_name(scomp, swidget->widget->sname); 72 if (!spcm) { 73 dev_err(scomp->dev, "error: cannot find PCM for %s\n", 74 swidget->widget->name); 75 return -EINVAL; 76 } 77 78 params = &spcm->params[dir]; 79 80 /* set IPC PCM params */ 81 pcm.hdr.size = sizeof(pcm); 82 pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS; 83 pcm.comp_id = swidget->comp_id; 84 pcm.params.hdr.size = sizeof(pcm.params); 85 pcm.params.direction = dir; 86 pcm.params.sample_valid_bytes = params_width(params) >> 3; 87 pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED; 88 pcm.params.rate = params_rate(params); 89 pcm.params.channels = params_channels(params); 90 pcm.params.host_period_bytes = params_period_bytes(params); 91 92 /* set format */ 93 switch (params_format(params)) { 94 case SNDRV_PCM_FORMAT_S16: 95 pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE; 96 break; 97 case SNDRV_PCM_FORMAT_S24: 98 pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE; 99 break; 100 case SNDRV_PCM_FORMAT_S32: 101 pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE; 102 break; 103 default: 104 return -EINVAL; 105 } 106 107 /* send IPC to the DSP */ 108 ret = sof_ipc_tx_message(sdev->ipc, pcm.hdr.cmd, &pcm, sizeof(pcm), 109 &ipc_params_reply, sizeof(ipc_params_reply)); 110 if (ret < 0) 111 dev_err(scomp->dev, "error: pcm params failed for %s\n", 112 swidget->widget->name); 113 114 return ret; 115 } 116 117 /* send stream trigger ipc */ 118 static int ipc_trigger(struct snd_sof_widget *swidget, int cmd) 119 { 120 struct snd_soc_component *scomp = swidget->scomp; 121 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 122 struct sof_ipc_stream stream; 123 struct sof_ipc_reply reply; 124 int ret; 125 126 /* set IPC stream params */ 127 stream.hdr.size = sizeof(stream); 128 stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | cmd; 129 stream.comp_id = swidget->comp_id; 130 131 /* send IPC to the DSP */ 132 ret = sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, &stream, 133 sizeof(stream), &reply, sizeof(reply)); 134 if (ret < 0) 135 dev_err(scomp->dev, "error: failed to trigger %s\n", 136 swidget->widget->name); 137 138 return ret; 139 } 140 141 static int sof_keyword_dapm_event(struct snd_soc_dapm_widget *w, 142 struct snd_kcontrol *k, int event) 143 { 144 struct snd_sof_widget *swidget = w->dobj.private; 145 struct snd_soc_component *scomp; 146 int stream = SNDRV_PCM_STREAM_CAPTURE; 147 struct snd_sof_pcm *spcm; 148 int ret = 0; 149 150 if (!swidget) 151 return 0; 152 153 scomp = swidget->scomp; 154 155 dev_dbg(scomp->dev, "received event %d for widget %s\n", 156 event, w->name); 157 158 /* get runtime PCM params using widget's stream name */ 159 spcm = snd_sof_find_spcm_name(scomp, swidget->widget->sname); 160 if (!spcm) { 161 dev_err(scomp->dev, "error: cannot find PCM for %s\n", 162 swidget->widget->name); 163 return -EINVAL; 164 } 165 166 /* process events */ 167 switch (event) { 168 case SND_SOC_DAPM_PRE_PMU: 169 if (spcm->stream[stream].suspend_ignored) { 170 dev_dbg(scomp->dev, "PRE_PMU event ignored, KWD pipeline is already RUNNING\n"); 171 return 0; 172 } 173 174 /* set pcm params */ 175 ret = ipc_pcm_params(swidget, stream); 176 if (ret < 0) { 177 dev_err(scomp->dev, 178 "error: failed to set pcm params for widget %s\n", 179 swidget->widget->name); 180 break; 181 } 182 183 /* start trigger */ 184 ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_START); 185 if (ret < 0) 186 dev_err(scomp->dev, 187 "error: failed to trigger widget %s\n", 188 swidget->widget->name); 189 break; 190 case SND_SOC_DAPM_POST_PMD: 191 if (spcm->stream[stream].suspend_ignored) { 192 dev_dbg(scomp->dev, "POST_PMD even ignored, KWD pipeline will remain RUNNING\n"); 193 return 0; 194 } 195 196 /* stop trigger */ 197 ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_STOP); 198 if (ret < 0) 199 dev_err(scomp->dev, 200 "error: failed to trigger widget %s\n", 201 swidget->widget->name); 202 203 /* pcm free */ 204 ret = ipc_trigger(swidget, SOF_IPC_STREAM_PCM_FREE); 205 if (ret < 0) 206 dev_err(scomp->dev, 207 "error: failed to trigger widget %s\n", 208 swidget->widget->name); 209 break; 210 default: 211 break; 212 } 213 214 return ret; 215 } 216 217 /* event handlers for keyword detect component */ 218 static const struct snd_soc_tplg_widget_events sof_kwd_events[] = { 219 {SOF_KEYWORD_DETECT_DAPM_EVENT, sof_keyword_dapm_event}, 220 }; 221 222 static inline int get_tlv_data(const int *p, int tlv[TLV_ITEMS]) 223 { 224 /* we only support dB scale TLV type at the moment */ 225 if ((int)p[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE) 226 return -EINVAL; 227 228 /* min value in topology tlv data is multiplied by 100 */ 229 tlv[TLV_MIN] = (int)p[SNDRV_CTL_TLVO_DB_SCALE_MIN] / 100; 230 231 /* volume steps */ 232 tlv[TLV_STEP] = (int)(p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] & 233 TLV_DB_SCALE_MASK); 234 235 /* mute ON/OFF */ 236 if ((p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] & 237 TLV_DB_SCALE_MUTE) == 0) 238 tlv[TLV_MUTE] = 0; 239 else 240 tlv[TLV_MUTE] = 1; 241 242 return 0; 243 } 244 245 /* 246 * Function to truncate an unsigned 64-bit number 247 * by x bits and return 32-bit unsigned number. This 248 * function also takes care of rounding while truncating 249 */ 250 static inline u32 vol_shift_64(u64 i, u32 x) 251 { 252 /* do not truncate more than 32 bits */ 253 if (x > 32) 254 x = 32; 255 256 if (x == 0) 257 return (u32)i; 258 259 return (u32)(((i >> (x - 1)) + 1) >> 1); 260 } 261 262 /* 263 * Function to compute a ^ exp where, 264 * a is a fractional number represented by a fixed-point 265 * integer with a fractional world length of "fwl" 266 * exp is an integer 267 * fwl is the fractional word length 268 * Return value is a fractional number represented by a 269 * fixed-point integer with a fractional word length of "fwl" 270 */ 271 static u32 vol_pow32(u32 a, int exp, u32 fwl) 272 { 273 int i, iter; 274 u32 power = 1 << fwl; 275 u64 numerator; 276 277 /* if exponent is 0, return 1 */ 278 if (exp == 0) 279 return power; 280 281 /* determine the number of iterations based on the exponent */ 282 if (exp < 0) 283 iter = exp * -1; 284 else 285 iter = exp; 286 287 /* mutiply a "iter" times to compute power */ 288 for (i = 0; i < iter; i++) { 289 /* 290 * Product of 2 Qx.fwl fixed-point numbers yields a Q2*x.2*fwl 291 * Truncate product back to fwl fractional bits with rounding 292 */ 293 power = vol_shift_64((u64)power * a, fwl); 294 } 295 296 if (exp > 0) { 297 /* if exp is positive, return the result */ 298 return power; 299 } 300 301 /* if exp is negative, return the multiplicative inverse */ 302 numerator = (u64)1 << (fwl << 1); 303 do_div(numerator, power); 304 305 return (u32)numerator; 306 } 307 308 /* 309 * Function to calculate volume gain from TLV data. 310 * This function can only handle gain steps that are multiples of 0.5 dB 311 */ 312 static u32 vol_compute_gain(u32 value, int *tlv) 313 { 314 int dB_gain; 315 u32 linear_gain; 316 int f_step; 317 318 /* mute volume */ 319 if (value == 0 && tlv[TLV_MUTE]) 320 return 0; 321 322 /* 323 * compute dB gain from tlv. tlv_step 324 * in topology is multiplied by 100 325 */ 326 dB_gain = tlv[TLV_MIN] + (value * tlv[TLV_STEP]) / 100; 327 328 /* 329 * compute linear gain represented by fixed-point 330 * int with VOLUME_FWL fractional bits 331 */ 332 linear_gain = vol_pow32(VOL_TWENTIETH_ROOT_OF_TEN, dB_gain, VOLUME_FWL); 333 334 /* extract the fractional part of volume step */ 335 f_step = tlv[TLV_STEP] - (tlv[TLV_STEP] / 100); 336 337 /* if volume step is an odd multiple of 0.5 dB */ 338 if (f_step == VOL_HALF_DB_STEP && (value & 1)) 339 linear_gain = vol_shift_64((u64)linear_gain * 340 VOL_FORTIETH_ROOT_OF_TEN, 341 VOLUME_FWL); 342 343 return linear_gain; 344 } 345 346 /* 347 * Set up volume table for kcontrols from tlv data 348 * "size" specifies the number of entries in the table 349 */ 350 static int set_up_volume_table(struct snd_sof_control *scontrol, 351 int tlv[TLV_ITEMS], int size) 352 { 353 int j; 354 355 /* init the volume table */ 356 scontrol->volume_table = kcalloc(size, sizeof(u32), GFP_KERNEL); 357 if (!scontrol->volume_table) 358 return -ENOMEM; 359 360 /* populate the volume table */ 361 for (j = 0; j < size ; j++) 362 scontrol->volume_table[j] = vol_compute_gain(j, tlv); 363 364 return 0; 365 } 366 367 struct sof_dai_types { 368 const char *name; 369 enum sof_ipc_dai_type type; 370 }; 371 372 static const struct sof_dai_types sof_dais[] = { 373 {"SSP", SOF_DAI_INTEL_SSP}, 374 {"HDA", SOF_DAI_INTEL_HDA}, 375 {"DMIC", SOF_DAI_INTEL_DMIC}, 376 {"ALH", SOF_DAI_INTEL_ALH}, 377 {"SAI", SOF_DAI_IMX_SAI}, 378 {"ESAI", SOF_DAI_IMX_ESAI}, 379 }; 380 381 static enum sof_ipc_dai_type find_dai(const char *name) 382 { 383 int i; 384 385 for (i = 0; i < ARRAY_SIZE(sof_dais); i++) { 386 if (strcmp(name, sof_dais[i].name) == 0) 387 return sof_dais[i].type; 388 } 389 390 return SOF_DAI_INTEL_NONE; 391 } 392 393 /* 394 * Supported Frame format types and lookup, add new ones to end of list. 395 */ 396 397 struct sof_frame_types { 398 const char *name; 399 enum sof_ipc_frame frame; 400 }; 401 402 static const struct sof_frame_types sof_frames[] = { 403 {"s16le", SOF_IPC_FRAME_S16_LE}, 404 {"s24le", SOF_IPC_FRAME_S24_4LE}, 405 {"s32le", SOF_IPC_FRAME_S32_LE}, 406 {"float", SOF_IPC_FRAME_FLOAT}, 407 }; 408 409 static enum sof_ipc_frame find_format(const char *name) 410 { 411 int i; 412 413 for (i = 0; i < ARRAY_SIZE(sof_frames); i++) { 414 if (strcmp(name, sof_frames[i].name) == 0) 415 return sof_frames[i].frame; 416 } 417 418 /* use s32le if nothing is specified */ 419 return SOF_IPC_FRAME_S32_LE; 420 } 421 422 struct sof_process_types { 423 const char *name; 424 enum sof_ipc_process_type type; 425 enum sof_comp_type comp_type; 426 }; 427 428 static const struct sof_process_types sof_process[] = { 429 {"EQFIR", SOF_PROCESS_EQFIR, SOF_COMP_EQ_FIR}, 430 {"EQIIR", SOF_PROCESS_EQIIR, SOF_COMP_EQ_IIR}, 431 {"KEYWORD_DETECT", SOF_PROCESS_KEYWORD_DETECT, SOF_COMP_KEYWORD_DETECT}, 432 {"KPB", SOF_PROCESS_KPB, SOF_COMP_KPB}, 433 {"CHAN_SELECTOR", SOF_PROCESS_CHAN_SELECTOR, SOF_COMP_SELECTOR}, 434 {"MUX", SOF_PROCESS_MUX, SOF_COMP_MUX}, 435 {"DEMUX", SOF_PROCESS_DEMUX, SOF_COMP_DEMUX}, 436 {"DCBLOCK", SOF_PROCESS_DCBLOCK, SOF_COMP_DCBLOCK}, 437 {"SMART_AMP", SOF_PROCESS_SMART_AMP, SOF_COMP_SMART_AMP}, 438 }; 439 440 static enum sof_ipc_process_type find_process(const char *name) 441 { 442 int i; 443 444 for (i = 0; i < ARRAY_SIZE(sof_process); i++) { 445 if (strcmp(name, sof_process[i].name) == 0) 446 return sof_process[i].type; 447 } 448 449 return SOF_PROCESS_NONE; 450 } 451 452 static enum sof_comp_type find_process_comp_type(enum sof_ipc_process_type type) 453 { 454 int i; 455 456 for (i = 0; i < ARRAY_SIZE(sof_process); i++) { 457 if (sof_process[i].type == type) 458 return sof_process[i].comp_type; 459 } 460 461 return SOF_COMP_NONE; 462 } 463 464 /* 465 * Topology Token Parsing. 466 * New tokens should be added to headers and parsing tables below. 467 */ 468 469 struct sof_topology_token { 470 u32 token; 471 u32 type; 472 int (*get_token)(void *elem, void *object, u32 offset, u32 size); 473 u32 offset; 474 u32 size; 475 }; 476 477 static int get_token_u32(void *elem, void *object, u32 offset, u32 size) 478 { 479 struct snd_soc_tplg_vendor_value_elem *velem = elem; 480 u32 *val = (u32 *)((u8 *)object + offset); 481 482 *val = le32_to_cpu(velem->value); 483 return 0; 484 } 485 486 static int get_token_u16(void *elem, void *object, u32 offset, u32 size) 487 { 488 struct snd_soc_tplg_vendor_value_elem *velem = elem; 489 u16 *val = (u16 *)((u8 *)object + offset); 490 491 *val = (u16)le32_to_cpu(velem->value); 492 return 0; 493 } 494 495 static int get_token_uuid(void *elem, void *object, u32 offset, u32 size) 496 { 497 struct snd_soc_tplg_vendor_uuid_elem *velem = elem; 498 u8 *dst = (u8 *)object + offset; 499 500 memcpy(dst, velem->uuid, UUID_SIZE); 501 502 return 0; 503 } 504 505 static int get_token_comp_format(void *elem, void *object, u32 offset, u32 size) 506 { 507 struct snd_soc_tplg_vendor_string_elem *velem = elem; 508 u32 *val = (u32 *)((u8 *)object + offset); 509 510 *val = find_format(velem->string); 511 return 0; 512 } 513 514 static int get_token_dai_type(void *elem, void *object, u32 offset, u32 size) 515 { 516 struct snd_soc_tplg_vendor_string_elem *velem = elem; 517 u32 *val = (u32 *)((u8 *)object + offset); 518 519 *val = find_dai(velem->string); 520 return 0; 521 } 522 523 static int get_token_process_type(void *elem, void *object, u32 offset, 524 u32 size) 525 { 526 struct snd_soc_tplg_vendor_string_elem *velem = elem; 527 u32 *val = (u32 *)((u8 *)object + offset); 528 529 *val = find_process(velem->string); 530 return 0; 531 } 532 533 /* Buffers */ 534 static const struct sof_topology_token buffer_tokens[] = { 535 {SOF_TKN_BUF_SIZE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 536 offsetof(struct sof_ipc_buffer, size), 0}, 537 {SOF_TKN_BUF_CAPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 538 offsetof(struct sof_ipc_buffer, caps), 0}, 539 }; 540 541 /* DAI */ 542 static const struct sof_topology_token dai_tokens[] = { 543 {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type, 544 offsetof(struct sof_ipc_comp_dai, type), 0}, 545 {SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 546 offsetof(struct sof_ipc_comp_dai, dai_index), 0}, 547 {SOF_TKN_DAI_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 548 offsetof(struct sof_ipc_comp_dai, direction), 0}, 549 }; 550 551 /* BE DAI link */ 552 static const struct sof_topology_token dai_link_tokens[] = { 553 {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type, 554 offsetof(struct sof_ipc_dai_config, type), 0}, 555 {SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 556 offsetof(struct sof_ipc_dai_config, dai_index), 0}, 557 }; 558 559 /* scheduling */ 560 static const struct sof_topology_token sched_tokens[] = { 561 {SOF_TKN_SCHED_PERIOD, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 562 offsetof(struct sof_ipc_pipe_new, period), 0}, 563 {SOF_TKN_SCHED_PRIORITY, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 564 offsetof(struct sof_ipc_pipe_new, priority), 0}, 565 {SOF_TKN_SCHED_MIPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 566 offsetof(struct sof_ipc_pipe_new, period_mips), 0}, 567 {SOF_TKN_SCHED_CORE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 568 offsetof(struct sof_ipc_pipe_new, core), 0}, 569 {SOF_TKN_SCHED_FRAMES, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 570 offsetof(struct sof_ipc_pipe_new, frames_per_sched), 0}, 571 {SOF_TKN_SCHED_TIME_DOMAIN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 572 offsetof(struct sof_ipc_pipe_new, time_domain), 0}, 573 }; 574 575 static const struct sof_topology_token pipeline_tokens[] = { 576 {SOF_TKN_SCHED_DYNAMIC_PIPELINE, SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16, 577 offsetof(struct snd_sof_widget, dynamic_pipeline_widget), 0}, 578 579 }; 580 581 /* volume */ 582 static const struct sof_topology_token volume_tokens[] = { 583 {SOF_TKN_VOLUME_RAMP_STEP_TYPE, SND_SOC_TPLG_TUPLE_TYPE_WORD, 584 get_token_u32, offsetof(struct sof_ipc_comp_volume, ramp), 0}, 585 {SOF_TKN_VOLUME_RAMP_STEP_MS, 586 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 587 offsetof(struct sof_ipc_comp_volume, initial_ramp), 0}, 588 }; 589 590 /* SRC */ 591 static const struct sof_topology_token src_tokens[] = { 592 {SOF_TKN_SRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 593 offsetof(struct sof_ipc_comp_src, source_rate), 0}, 594 {SOF_TKN_SRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 595 offsetof(struct sof_ipc_comp_src, sink_rate), 0}, 596 }; 597 598 /* ASRC */ 599 static const struct sof_topology_token asrc_tokens[] = { 600 {SOF_TKN_ASRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 601 offsetof(struct sof_ipc_comp_asrc, source_rate), 0}, 602 {SOF_TKN_ASRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 603 offsetof(struct sof_ipc_comp_asrc, sink_rate), 0}, 604 {SOF_TKN_ASRC_ASYNCHRONOUS_MODE, SND_SOC_TPLG_TUPLE_TYPE_WORD, 605 get_token_u32, 606 offsetof(struct sof_ipc_comp_asrc, asynchronous_mode), 0}, 607 {SOF_TKN_ASRC_OPERATION_MODE, SND_SOC_TPLG_TUPLE_TYPE_WORD, 608 get_token_u32, 609 offsetof(struct sof_ipc_comp_asrc, operation_mode), 0}, 610 }; 611 612 /* Tone */ 613 static const struct sof_topology_token tone_tokens[] = { 614 }; 615 616 /* EFFECT */ 617 static const struct sof_topology_token process_tokens[] = { 618 {SOF_TKN_PROCESS_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, 619 get_token_process_type, 620 offsetof(struct sof_ipc_comp_process, type), 0}, 621 }; 622 623 /* PCM */ 624 static const struct sof_topology_token pcm_tokens[] = { 625 {SOF_TKN_PCM_DMAC_CONFIG, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 626 offsetof(struct sof_ipc_comp_host, dmac_config), 0}, 627 }; 628 629 /* PCM */ 630 static const struct sof_topology_token stream_tokens[] = { 631 {SOF_TKN_STREAM_PLAYBACK_COMPATIBLE_D0I3, 632 SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16, 633 offsetof(struct snd_sof_pcm, stream[0].d0i3_compatible), 0}, 634 {SOF_TKN_STREAM_CAPTURE_COMPATIBLE_D0I3, 635 SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16, 636 offsetof(struct snd_sof_pcm, stream[1].d0i3_compatible), 0}, 637 }; 638 639 /* Generic components */ 640 static const struct sof_topology_token comp_tokens[] = { 641 {SOF_TKN_COMP_PERIOD_SINK_COUNT, 642 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 643 offsetof(struct sof_ipc_comp_config, periods_sink), 0}, 644 {SOF_TKN_COMP_PERIOD_SOURCE_COUNT, 645 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 646 offsetof(struct sof_ipc_comp_config, periods_source), 0}, 647 {SOF_TKN_COMP_FORMAT, 648 SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_comp_format, 649 offsetof(struct sof_ipc_comp_config, frame_fmt), 0}, 650 }; 651 652 /* SSP */ 653 static const struct sof_topology_token ssp_tokens[] = { 654 {SOF_TKN_INTEL_SSP_CLKS_CONTROL, 655 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 656 offsetof(struct sof_ipc_dai_ssp_params, clks_control), 0}, 657 {SOF_TKN_INTEL_SSP_MCLK_ID, 658 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16, 659 offsetof(struct sof_ipc_dai_ssp_params, mclk_id), 0}, 660 {SOF_TKN_INTEL_SSP_SAMPLE_BITS, SND_SOC_TPLG_TUPLE_TYPE_WORD, 661 get_token_u32, 662 offsetof(struct sof_ipc_dai_ssp_params, sample_valid_bits), 0}, 663 {SOF_TKN_INTEL_SSP_FRAME_PULSE_WIDTH, SND_SOC_TPLG_TUPLE_TYPE_SHORT, 664 get_token_u16, 665 offsetof(struct sof_ipc_dai_ssp_params, frame_pulse_width), 0}, 666 {SOF_TKN_INTEL_SSP_QUIRKS, SND_SOC_TPLG_TUPLE_TYPE_WORD, 667 get_token_u32, 668 offsetof(struct sof_ipc_dai_ssp_params, quirks), 0}, 669 {SOF_TKN_INTEL_SSP_TDM_PADDING_PER_SLOT, SND_SOC_TPLG_TUPLE_TYPE_BOOL, 670 get_token_u16, 671 offsetof(struct sof_ipc_dai_ssp_params, 672 tdm_per_slot_padding_flag), 0}, 673 {SOF_TKN_INTEL_SSP_BCLK_DELAY, SND_SOC_TPLG_TUPLE_TYPE_WORD, 674 get_token_u32, 675 offsetof(struct sof_ipc_dai_ssp_params, bclk_delay), 0}, 676 677 }; 678 679 /* ALH */ 680 static const struct sof_topology_token alh_tokens[] = { 681 {SOF_TKN_INTEL_ALH_RATE, 682 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 683 offsetof(struct sof_ipc_dai_alh_params, rate), 0}, 684 {SOF_TKN_INTEL_ALH_CH, 685 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 686 offsetof(struct sof_ipc_dai_alh_params, channels), 0}, 687 }; 688 689 /* DMIC */ 690 static const struct sof_topology_token dmic_tokens[] = { 691 {SOF_TKN_INTEL_DMIC_DRIVER_VERSION, 692 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 693 offsetof(struct sof_ipc_dai_dmic_params, driver_ipc_version), 694 0}, 695 {SOF_TKN_INTEL_DMIC_CLK_MIN, 696 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 697 offsetof(struct sof_ipc_dai_dmic_params, pdmclk_min), 0}, 698 {SOF_TKN_INTEL_DMIC_CLK_MAX, 699 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 700 offsetof(struct sof_ipc_dai_dmic_params, pdmclk_max), 0}, 701 {SOF_TKN_INTEL_DMIC_SAMPLE_RATE, 702 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 703 offsetof(struct sof_ipc_dai_dmic_params, fifo_fs), 0}, 704 {SOF_TKN_INTEL_DMIC_DUTY_MIN, 705 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16, 706 offsetof(struct sof_ipc_dai_dmic_params, duty_min), 0}, 707 {SOF_TKN_INTEL_DMIC_DUTY_MAX, 708 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16, 709 offsetof(struct sof_ipc_dai_dmic_params, duty_max), 0}, 710 {SOF_TKN_INTEL_DMIC_NUM_PDM_ACTIVE, 711 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 712 offsetof(struct sof_ipc_dai_dmic_params, 713 num_pdm_active), 0}, 714 {SOF_TKN_INTEL_DMIC_FIFO_WORD_LENGTH, 715 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16, 716 offsetof(struct sof_ipc_dai_dmic_params, fifo_bits), 0}, 717 {SOF_TKN_INTEL_DMIC_UNMUTE_RAMP_TIME_MS, 718 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 719 offsetof(struct sof_ipc_dai_dmic_params, unmute_ramp_time), 0}, 720 721 }; 722 723 /* ESAI */ 724 static const struct sof_topology_token esai_tokens[] = { 725 {SOF_TKN_IMX_ESAI_MCLK_ID, 726 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16, 727 offsetof(struct sof_ipc_dai_esai_params, mclk_id), 0}, 728 }; 729 730 /* SAI */ 731 static const struct sof_topology_token sai_tokens[] = { 732 {SOF_TKN_IMX_SAI_MCLK_ID, 733 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16, 734 offsetof(struct sof_ipc_dai_sai_params, mclk_id), 0}, 735 }; 736 737 /* Core tokens */ 738 static const struct sof_topology_token core_tokens[] = { 739 {SOF_TKN_COMP_CORE_ID, 740 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 741 offsetof(struct sof_ipc_comp, core), 0}, 742 }; 743 744 /* Component extended tokens */ 745 static const struct sof_topology_token comp_ext_tokens[] = { 746 {SOF_TKN_COMP_UUID, 747 SND_SOC_TPLG_TUPLE_TYPE_UUID, get_token_uuid, 748 offsetof(struct sof_ipc_comp_ext, uuid), 0}, 749 }; 750 751 /* 752 * DMIC PDM Tokens 753 * SOF_TKN_INTEL_DMIC_PDM_CTRL_ID should be the first token 754 * as it increments the index while parsing the array of pdm tokens 755 * and determines the correct offset 756 */ 757 static const struct sof_topology_token dmic_pdm_tokens[] = { 758 {SOF_TKN_INTEL_DMIC_PDM_CTRL_ID, 759 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16, 760 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, id), 761 0}, 762 {SOF_TKN_INTEL_DMIC_PDM_MIC_A_Enable, 763 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16, 764 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_a), 765 0}, 766 {SOF_TKN_INTEL_DMIC_PDM_MIC_B_Enable, 767 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16, 768 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_b), 769 0}, 770 {SOF_TKN_INTEL_DMIC_PDM_POLARITY_A, 771 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16, 772 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_a), 773 0}, 774 {SOF_TKN_INTEL_DMIC_PDM_POLARITY_B, 775 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16, 776 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_b), 777 0}, 778 {SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE, 779 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16, 780 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, clk_edge), 781 0}, 782 {SOF_TKN_INTEL_DMIC_PDM_SKEW, 783 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16, 784 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, skew), 785 0}, 786 }; 787 788 /* HDA */ 789 static const struct sof_topology_token hda_tokens[] = { 790 {SOF_TKN_INTEL_HDA_RATE, 791 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 792 offsetof(struct sof_ipc_dai_hda_params, rate), 0}, 793 {SOF_TKN_INTEL_HDA_CH, 794 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 795 offsetof(struct sof_ipc_dai_hda_params, channels), 0}, 796 }; 797 798 /* Leds */ 799 static const struct sof_topology_token led_tokens[] = { 800 {SOF_TKN_MUTE_LED_USE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 801 offsetof(struct snd_sof_led_control, use_led), 0}, 802 {SOF_TKN_MUTE_LED_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, 803 get_token_u32, offsetof(struct snd_sof_led_control, direction), 0}, 804 }; 805 806 static int sof_parse_uuid_tokens(struct snd_soc_component *scomp, 807 void *object, 808 const struct sof_topology_token *tokens, 809 int count, 810 struct snd_soc_tplg_vendor_array *array, 811 size_t offset) 812 { 813 struct snd_soc_tplg_vendor_uuid_elem *elem; 814 int found = 0; 815 int i, j; 816 817 /* parse element by element */ 818 for (i = 0; i < le32_to_cpu(array->num_elems); i++) { 819 elem = &array->uuid[i]; 820 821 /* search for token */ 822 for (j = 0; j < count; j++) { 823 /* match token type */ 824 if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_UUID) 825 continue; 826 827 /* match token id */ 828 if (tokens[j].token != le32_to_cpu(elem->token)) 829 continue; 830 831 /* matched - now load token */ 832 tokens[j].get_token(elem, object, 833 offset + tokens[j].offset, 834 tokens[j].size); 835 836 found++; 837 } 838 } 839 840 return found; 841 } 842 843 static int sof_parse_string_tokens(struct snd_soc_component *scomp, 844 void *object, 845 const struct sof_topology_token *tokens, 846 int count, 847 struct snd_soc_tplg_vendor_array *array, 848 size_t offset) 849 { 850 struct snd_soc_tplg_vendor_string_elem *elem; 851 int found = 0; 852 int i, j; 853 854 /* parse element by element */ 855 for (i = 0; i < le32_to_cpu(array->num_elems); i++) { 856 elem = &array->string[i]; 857 858 /* search for token */ 859 for (j = 0; j < count; j++) { 860 /* match token type */ 861 if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_STRING) 862 continue; 863 864 /* match token id */ 865 if (tokens[j].token != le32_to_cpu(elem->token)) 866 continue; 867 868 /* matched - now load token */ 869 tokens[j].get_token(elem, object, 870 offset + tokens[j].offset, 871 tokens[j].size); 872 873 found++; 874 } 875 } 876 877 return found; 878 } 879 880 static int sof_parse_word_tokens(struct snd_soc_component *scomp, 881 void *object, 882 const struct sof_topology_token *tokens, 883 int count, 884 struct snd_soc_tplg_vendor_array *array, 885 size_t offset) 886 { 887 struct snd_soc_tplg_vendor_value_elem *elem; 888 int found = 0; 889 int i, j; 890 891 /* parse element by element */ 892 for (i = 0; i < le32_to_cpu(array->num_elems); i++) { 893 elem = &array->value[i]; 894 895 /* search for token */ 896 for (j = 0; j < count; j++) { 897 /* match token type */ 898 if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD || 899 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT || 900 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE || 901 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL)) 902 continue; 903 904 /* match token id */ 905 if (tokens[j].token != le32_to_cpu(elem->token)) 906 continue; 907 908 /* load token */ 909 tokens[j].get_token(elem, object, 910 offset + tokens[j].offset, 911 tokens[j].size); 912 913 found++; 914 } 915 } 916 917 return found; 918 } 919 920 /** 921 * sof_parse_token_sets - Parse multiple sets of tokens 922 * @scomp: pointer to soc component 923 * @object: target ipc struct for parsed values 924 * @tokens: token definition array describing what tokens to parse 925 * @count: number of tokens in definition array 926 * @array: source pointer to consecutive vendor arrays to be parsed 927 * @priv_size: total size of the consecutive source arrays 928 * @sets: number of similar token sets to be parsed, 1 set has count elements 929 * @object_size: offset to next target ipc struct with multiple sets 930 * 931 * This function parses multiple sets of tokens in vendor arrays into 932 * consecutive ipc structs. 933 */ 934 static int sof_parse_token_sets(struct snd_soc_component *scomp, 935 void *object, 936 const struct sof_topology_token *tokens, 937 int count, 938 struct snd_soc_tplg_vendor_array *array, 939 int priv_size, int sets, size_t object_size) 940 { 941 size_t offset = 0; 942 int found = 0; 943 int total = 0; 944 int asize; 945 946 while (priv_size > 0 && total < count * sets) { 947 asize = le32_to_cpu(array->size); 948 949 /* validate asize */ 950 if (asize < 0) { /* FIXME: A zero-size array makes no sense */ 951 dev_err(scomp->dev, "error: invalid array size 0x%x\n", 952 asize); 953 return -EINVAL; 954 } 955 956 /* make sure there is enough data before parsing */ 957 priv_size -= asize; 958 if (priv_size < 0) { 959 dev_err(scomp->dev, "error: invalid array size 0x%x\n", 960 asize); 961 return -EINVAL; 962 } 963 964 /* call correct parser depending on type */ 965 switch (le32_to_cpu(array->type)) { 966 case SND_SOC_TPLG_TUPLE_TYPE_UUID: 967 found += sof_parse_uuid_tokens(scomp, object, tokens, 968 count, array, offset); 969 break; 970 case SND_SOC_TPLG_TUPLE_TYPE_STRING: 971 found += sof_parse_string_tokens(scomp, object, tokens, 972 count, array, offset); 973 break; 974 case SND_SOC_TPLG_TUPLE_TYPE_BOOL: 975 case SND_SOC_TPLG_TUPLE_TYPE_BYTE: 976 case SND_SOC_TPLG_TUPLE_TYPE_WORD: 977 case SND_SOC_TPLG_TUPLE_TYPE_SHORT: 978 found += sof_parse_word_tokens(scomp, object, tokens, 979 count, array, offset); 980 break; 981 default: 982 dev_err(scomp->dev, "error: unknown token type %d\n", 983 array->type); 984 return -EINVAL; 985 } 986 987 /* next array */ 988 array = (struct snd_soc_tplg_vendor_array *)((u8 *)array 989 + asize); 990 991 /* move to next target struct */ 992 if (found >= count) { 993 offset += object_size; 994 total += found; 995 found = 0; 996 } 997 } 998 999 return 0; 1000 } 1001 1002 static int sof_parse_tokens(struct snd_soc_component *scomp, 1003 void *object, 1004 const struct sof_topology_token *tokens, 1005 int count, 1006 struct snd_soc_tplg_vendor_array *array, 1007 int priv_size) 1008 { 1009 /* 1010 * sof_parse_tokens is used when topology contains only a single set of 1011 * identical tuples arrays. So additional parameters to 1012 * sof_parse_token_sets are sets = 1 (only 1 set) and 1013 * object_size = 0 (irrelevant). 1014 */ 1015 return sof_parse_token_sets(scomp, object, tokens, count, array, 1016 priv_size, 1, 0); 1017 } 1018 1019 static void sof_dbg_comp_config(struct snd_soc_component *scomp, 1020 struct sof_ipc_comp_config *config) 1021 { 1022 dev_dbg(scomp->dev, " config: periods snk %d src %d fmt %d\n", 1023 config->periods_sink, config->periods_source, 1024 config->frame_fmt); 1025 } 1026 1027 /* 1028 * Standard Kcontrols. 1029 */ 1030 1031 static int sof_control_load_volume(struct snd_soc_component *scomp, 1032 struct snd_sof_control *scontrol, 1033 struct snd_kcontrol_new *kc, 1034 struct snd_soc_tplg_ctl_hdr *hdr) 1035 { 1036 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1037 struct snd_soc_tplg_mixer_control *mc = 1038 container_of(hdr, struct snd_soc_tplg_mixer_control, hdr); 1039 struct sof_ipc_ctrl_data *cdata; 1040 int tlv[TLV_ITEMS]; 1041 unsigned int i; 1042 int ret; 1043 1044 /* validate topology data */ 1045 if (le32_to_cpu(mc->num_channels) > SND_SOC_TPLG_MAX_CHAN) { 1046 ret = -EINVAL; 1047 goto out; 1048 } 1049 1050 /* 1051 * If control has more than 2 channels we need to override the info. This is because even if 1052 * ASoC layer has defined topology's max channel count to SND_SOC_TPLG_MAX_CHAN = 8, the 1053 * pre-defined dapm control types (and related functions) creating the actual control 1054 * restrict the channels only to mono or stereo. 1055 */ 1056 if (le32_to_cpu(mc->num_channels) > 2) 1057 kc->info = snd_sof_volume_info; 1058 1059 /* init the volume get/put data */ 1060 scontrol->size = struct_size(scontrol->control_data, chanv, 1061 le32_to_cpu(mc->num_channels)); 1062 scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL); 1063 if (!scontrol->control_data) { 1064 ret = -ENOMEM; 1065 goto out; 1066 } 1067 1068 scontrol->comp_id = sdev->next_comp_id; 1069 scontrol->min_volume_step = le32_to_cpu(mc->min); 1070 scontrol->max_volume_step = le32_to_cpu(mc->max); 1071 scontrol->num_channels = le32_to_cpu(mc->num_channels); 1072 scontrol->control_data->index = kc->index; 1073 1074 /* set cmd for mixer control */ 1075 if (le32_to_cpu(mc->max) == 1) { 1076 scontrol->cmd = SOF_CTRL_CMD_SWITCH; 1077 goto skip; 1078 } 1079 1080 scontrol->cmd = SOF_CTRL_CMD_VOLUME; 1081 1082 /* extract tlv data */ 1083 if (!kc->tlv.p || get_tlv_data(kc->tlv.p, tlv) < 0) { 1084 dev_err(scomp->dev, "error: invalid TLV data\n"); 1085 ret = -EINVAL; 1086 goto out_free; 1087 } 1088 1089 /* set up volume table */ 1090 ret = set_up_volume_table(scontrol, tlv, le32_to_cpu(mc->max) + 1); 1091 if (ret < 0) { 1092 dev_err(scomp->dev, "error: setting up volume table\n"); 1093 goto out_free; 1094 } 1095 1096 /* set default volume values to 0dB in control */ 1097 cdata = scontrol->control_data; 1098 for (i = 0; i < scontrol->num_channels; i++) { 1099 cdata->chanv[i].channel = i; 1100 cdata->chanv[i].value = VOL_ZERO_DB; 1101 } 1102 1103 skip: 1104 /* set up possible led control from mixer private data */ 1105 ret = sof_parse_tokens(scomp, &scontrol->led_ctl, led_tokens, 1106 ARRAY_SIZE(led_tokens), mc->priv.array, 1107 le32_to_cpu(mc->priv.size)); 1108 if (ret != 0) { 1109 dev_err(scomp->dev, "error: parse led tokens failed %d\n", 1110 le32_to_cpu(mc->priv.size)); 1111 goto out_free_table; 1112 } 1113 1114 dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n", 1115 scontrol->comp_id, scontrol->num_channels); 1116 1117 return 0; 1118 1119 out_free_table: 1120 if (le32_to_cpu(mc->max) > 1) 1121 kfree(scontrol->volume_table); 1122 out_free: 1123 kfree(scontrol->control_data); 1124 out: 1125 return ret; 1126 } 1127 1128 static int sof_control_load_enum(struct snd_soc_component *scomp, 1129 struct snd_sof_control *scontrol, 1130 struct snd_kcontrol_new *kc, 1131 struct snd_soc_tplg_ctl_hdr *hdr) 1132 { 1133 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1134 struct snd_soc_tplg_enum_control *ec = 1135 container_of(hdr, struct snd_soc_tplg_enum_control, hdr); 1136 1137 /* validate topology data */ 1138 if (le32_to_cpu(ec->num_channels) > SND_SOC_TPLG_MAX_CHAN) 1139 return -EINVAL; 1140 1141 /* init the enum get/put data */ 1142 scontrol->size = struct_size(scontrol->control_data, chanv, 1143 le32_to_cpu(ec->num_channels)); 1144 scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL); 1145 if (!scontrol->control_data) 1146 return -ENOMEM; 1147 1148 scontrol->comp_id = sdev->next_comp_id; 1149 scontrol->num_channels = le32_to_cpu(ec->num_channels); 1150 scontrol->control_data->index = kc->index; 1151 scontrol->cmd = SOF_CTRL_CMD_ENUM; 1152 1153 dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n", 1154 scontrol->comp_id, scontrol->num_channels, scontrol->comp_id); 1155 1156 return 0; 1157 } 1158 1159 static int sof_control_load_bytes(struct snd_soc_component *scomp, 1160 struct snd_sof_control *scontrol, 1161 struct snd_kcontrol_new *kc, 1162 struct snd_soc_tplg_ctl_hdr *hdr) 1163 { 1164 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1165 struct sof_ipc_ctrl_data *cdata; 1166 struct snd_soc_tplg_bytes_control *control = 1167 container_of(hdr, struct snd_soc_tplg_bytes_control, hdr); 1168 struct soc_bytes_ext *sbe = (struct soc_bytes_ext *)kc->private_value; 1169 size_t max_size = sbe->max; 1170 size_t priv_size = le32_to_cpu(control->priv.size); 1171 int ret; 1172 1173 if (max_size < sizeof(struct sof_ipc_ctrl_data) || 1174 max_size < sizeof(struct sof_abi_hdr)) { 1175 ret = -EINVAL; 1176 goto out; 1177 } 1178 1179 /* init the get/put bytes data */ 1180 if (priv_size > max_size - sizeof(struct sof_ipc_ctrl_data)) { 1181 dev_err(scomp->dev, "err: bytes data size %zu exceeds max %zu.\n", 1182 priv_size, max_size - sizeof(struct sof_ipc_ctrl_data)); 1183 ret = -EINVAL; 1184 goto out; 1185 } 1186 1187 scontrol->size = sizeof(struct sof_ipc_ctrl_data) + priv_size; 1188 1189 scontrol->control_data = kzalloc(max_size, GFP_KERNEL); 1190 cdata = scontrol->control_data; 1191 if (!scontrol->control_data) { 1192 ret = -ENOMEM; 1193 goto out; 1194 } 1195 1196 scontrol->comp_id = sdev->next_comp_id; 1197 scontrol->cmd = SOF_CTRL_CMD_BINARY; 1198 scontrol->control_data->index = kc->index; 1199 1200 dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n", 1201 scontrol->comp_id, scontrol->num_channels); 1202 1203 if (le32_to_cpu(control->priv.size) > 0) { 1204 memcpy(cdata->data, control->priv.data, 1205 le32_to_cpu(control->priv.size)); 1206 1207 if (cdata->data->magic != SOF_ABI_MAGIC) { 1208 dev_err(scomp->dev, "error: Wrong ABI magic 0x%08x.\n", 1209 cdata->data->magic); 1210 ret = -EINVAL; 1211 goto out_free; 1212 } 1213 if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, 1214 cdata->data->abi)) { 1215 dev_err(scomp->dev, 1216 "error: Incompatible ABI version 0x%08x.\n", 1217 cdata->data->abi); 1218 ret = -EINVAL; 1219 goto out_free; 1220 } 1221 if (cdata->data->size + sizeof(struct sof_abi_hdr) != 1222 le32_to_cpu(control->priv.size)) { 1223 dev_err(scomp->dev, 1224 "error: Conflict in bytes vs. priv size.\n"); 1225 ret = -EINVAL; 1226 goto out_free; 1227 } 1228 } 1229 1230 return 0; 1231 1232 out_free: 1233 kfree(scontrol->control_data); 1234 out: 1235 return ret; 1236 } 1237 1238 /* external kcontrol init - used for any driver specific init */ 1239 static int sof_control_load(struct snd_soc_component *scomp, int index, 1240 struct snd_kcontrol_new *kc, 1241 struct snd_soc_tplg_ctl_hdr *hdr) 1242 { 1243 struct soc_mixer_control *sm; 1244 struct soc_bytes_ext *sbe; 1245 struct soc_enum *se; 1246 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1247 struct snd_soc_dobj *dobj; 1248 struct snd_sof_control *scontrol; 1249 int ret; 1250 1251 dev_dbg(scomp->dev, "tplg: load control type %d name : %s\n", 1252 hdr->type, hdr->name); 1253 1254 scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL); 1255 if (!scontrol) 1256 return -ENOMEM; 1257 1258 scontrol->scomp = scomp; 1259 scontrol->access = kc->access; 1260 1261 switch (le32_to_cpu(hdr->ops.info)) { 1262 case SND_SOC_TPLG_CTL_VOLSW: 1263 case SND_SOC_TPLG_CTL_VOLSW_SX: 1264 case SND_SOC_TPLG_CTL_VOLSW_XR_SX: 1265 sm = (struct soc_mixer_control *)kc->private_value; 1266 dobj = &sm->dobj; 1267 ret = sof_control_load_volume(scomp, scontrol, kc, hdr); 1268 break; 1269 case SND_SOC_TPLG_CTL_BYTES: 1270 sbe = (struct soc_bytes_ext *)kc->private_value; 1271 dobj = &sbe->dobj; 1272 ret = sof_control_load_bytes(scomp, scontrol, kc, hdr); 1273 break; 1274 case SND_SOC_TPLG_CTL_ENUM: 1275 case SND_SOC_TPLG_CTL_ENUM_VALUE: 1276 se = (struct soc_enum *)kc->private_value; 1277 dobj = &se->dobj; 1278 ret = sof_control_load_enum(scomp, scontrol, kc, hdr); 1279 break; 1280 case SND_SOC_TPLG_CTL_RANGE: 1281 case SND_SOC_TPLG_CTL_STROBE: 1282 case SND_SOC_TPLG_DAPM_CTL_VOLSW: 1283 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: 1284 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: 1285 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: 1286 case SND_SOC_TPLG_DAPM_CTL_PIN: 1287 default: 1288 dev_warn(scomp->dev, "control type not supported %d:%d:%d\n", 1289 hdr->ops.get, hdr->ops.put, hdr->ops.info); 1290 kfree(scontrol); 1291 return 0; 1292 } 1293 1294 if (ret < 0) { 1295 kfree(scontrol); 1296 return ret; 1297 } 1298 1299 scontrol->led_ctl.led_value = -1; 1300 1301 dobj->private = scontrol; 1302 list_add(&scontrol->list, &sdev->kcontrol_list); 1303 return 0; 1304 } 1305 1306 static int sof_control_unload(struct snd_soc_component *scomp, 1307 struct snd_soc_dobj *dobj) 1308 { 1309 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1310 struct sof_ipc_free fcomp; 1311 struct snd_sof_control *scontrol = dobj->private; 1312 1313 dev_dbg(scomp->dev, "tplg: unload control name : %s\n", scomp->name); 1314 1315 fcomp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_FREE; 1316 fcomp.hdr.size = sizeof(fcomp); 1317 fcomp.id = scontrol->comp_id; 1318 1319 kfree(scontrol->control_data); 1320 list_del(&scontrol->list); 1321 kfree(scontrol); 1322 /* send IPC to the DSP */ 1323 return sof_ipc_tx_message(sdev->ipc, 1324 fcomp.hdr.cmd, &fcomp, sizeof(fcomp), 1325 NULL, 0); 1326 } 1327 1328 /* 1329 * DAI Topology 1330 */ 1331 1332 /* Static DSP core power management so far, should be extended in the future */ 1333 static int sof_core_enable(struct snd_sof_dev *sdev, int core) 1334 { 1335 struct sof_ipc_pm_core_config pm_core_config = { 1336 .hdr = { 1337 .cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE, 1338 .size = sizeof(pm_core_config), 1339 }, 1340 .enable_mask = sdev->enabled_cores_mask | BIT(core), 1341 }; 1342 int ret; 1343 1344 if (sdev->enabled_cores_mask & BIT(core)) 1345 return 0; 1346 1347 /* power up the core if it is host managed */ 1348 ret = snd_sof_dsp_core_power_up(sdev, BIT(core)); 1349 if (ret < 0) { 1350 dev_err(sdev->dev, "error: %d powering up core %d\n", 1351 ret, core); 1352 return ret; 1353 } 1354 1355 /* Now notify DSP */ 1356 ret = sof_ipc_tx_message(sdev->ipc, pm_core_config.hdr.cmd, 1357 &pm_core_config, sizeof(pm_core_config), 1358 &pm_core_config, sizeof(pm_core_config)); 1359 if (ret < 0) { 1360 dev_err(sdev->dev, "error: core %d enable ipc failure %d\n", 1361 core, ret); 1362 goto err; 1363 } 1364 return ret; 1365 err: 1366 /* power down core if it is host managed and return the original error if this fails too */ 1367 if (snd_sof_dsp_core_power_down(sdev, BIT(core)) < 0) 1368 dev_err(sdev->dev, "error: powering down core %d\n", core); 1369 1370 return ret; 1371 } 1372 1373 int sof_pipeline_core_enable(struct snd_sof_dev *sdev, 1374 const struct snd_sof_widget *swidget) 1375 { 1376 const struct sof_ipc_pipe_new *pipeline; 1377 int ret; 1378 1379 if (swidget->id == snd_soc_dapm_scheduler) { 1380 pipeline = swidget->private; 1381 } else { 1382 pipeline = snd_sof_pipeline_find(sdev, swidget->pipeline_id); 1383 if (!pipeline) 1384 return -ENOENT; 1385 } 1386 1387 /* First enable the pipeline core */ 1388 ret = sof_core_enable(sdev, pipeline->core); 1389 if (ret < 0) 1390 return ret; 1391 1392 return sof_core_enable(sdev, swidget->core); 1393 } 1394 1395 static int sof_connect_dai_widget(struct snd_soc_component *scomp, 1396 struct snd_soc_dapm_widget *w, 1397 struct snd_soc_tplg_dapm_widget *tw, 1398 struct snd_sof_dai *dai) 1399 { 1400 struct snd_soc_card *card = scomp->card; 1401 struct snd_soc_pcm_runtime *rtd; 1402 struct snd_soc_dai *cpu_dai; 1403 int i; 1404 1405 list_for_each_entry(rtd, &card->rtd_list, list) { 1406 dev_vdbg(scomp->dev, "tplg: check widget: %s stream: %s dai stream: %s\n", 1407 w->name, w->sname, rtd->dai_link->stream_name); 1408 1409 if (!w->sname || !rtd->dai_link->stream_name) 1410 continue; 1411 1412 /* does stream match DAI link ? */ 1413 if (strcmp(w->sname, rtd->dai_link->stream_name)) 1414 continue; 1415 1416 switch (w->id) { 1417 case snd_soc_dapm_dai_out: 1418 for_each_rtd_cpu_dais(rtd, i, cpu_dai) { 1419 /* 1420 * Please create DAI widget in the right order 1421 * to ensure BE will connect to the right DAI 1422 * widget. 1423 */ 1424 if (!cpu_dai->capture_widget) { 1425 cpu_dai->capture_widget = w; 1426 break; 1427 } 1428 } 1429 if (i == rtd->num_cpus) { 1430 dev_err(scomp->dev, "error: can't find BE for DAI %s\n", 1431 w->name); 1432 1433 return -EINVAL; 1434 } 1435 dai->name = rtd->dai_link->name; 1436 dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n", 1437 w->name, rtd->dai_link->name); 1438 break; 1439 case snd_soc_dapm_dai_in: 1440 for_each_rtd_cpu_dais(rtd, i, cpu_dai) { 1441 /* 1442 * Please create DAI widget in the right order 1443 * to ensure BE will connect to the right DAI 1444 * widget. 1445 */ 1446 if (!cpu_dai->playback_widget) { 1447 cpu_dai->playback_widget = w; 1448 break; 1449 } 1450 } 1451 if (i == rtd->num_cpus) { 1452 dev_err(scomp->dev, "error: can't find BE for DAI %s\n", 1453 w->name); 1454 1455 return -EINVAL; 1456 } 1457 dai->name = rtd->dai_link->name; 1458 dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n", 1459 w->name, rtd->dai_link->name); 1460 break; 1461 default: 1462 break; 1463 } 1464 } 1465 1466 /* check we have a connection */ 1467 if (!dai->name) { 1468 dev_err(scomp->dev, "error: can't connect DAI %s stream %s\n", 1469 w->name, w->sname); 1470 return -EINVAL; 1471 } 1472 1473 return 0; 1474 } 1475 1476 /** 1477 * sof_comp_alloc - allocate and initialize buffer for a new component 1478 * @swidget: pointer to struct snd_sof_widget containing extended data 1479 * @ipc_size: IPC payload size that will be updated depending on valid 1480 * extended data. 1481 * @index: ID of the pipeline the component belongs to 1482 * 1483 * Return: The pointer to the new allocated component, NULL if failed. 1484 */ 1485 static struct sof_ipc_comp *sof_comp_alloc(struct snd_sof_widget *swidget, 1486 size_t *ipc_size, int index) 1487 { 1488 u8 nil_uuid[SOF_UUID_SIZE] = {0}; 1489 struct sof_ipc_comp *comp; 1490 size_t total_size = *ipc_size; 1491 1492 /* only non-zero UUID is valid */ 1493 if (memcmp(&swidget->comp_ext, nil_uuid, SOF_UUID_SIZE)) 1494 total_size += sizeof(swidget->comp_ext); 1495 1496 comp = kzalloc(total_size, GFP_KERNEL); 1497 if (!comp) 1498 return NULL; 1499 1500 /* configure comp new IPC message */ 1501 comp->hdr.size = total_size; 1502 comp->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW; 1503 comp->id = swidget->comp_id; 1504 comp->pipeline_id = index; 1505 comp->core = swidget->core; 1506 1507 /* handle the extended data if needed */ 1508 if (total_size > *ipc_size) { 1509 /* append extended data to the end of the component */ 1510 memcpy((u8 *)comp + *ipc_size, &swidget->comp_ext, sizeof(swidget->comp_ext)); 1511 comp->ext_data_length = sizeof(swidget->comp_ext); 1512 } 1513 1514 /* update ipc_size and return */ 1515 *ipc_size = total_size; 1516 return comp; 1517 } 1518 1519 static int sof_widget_load_dai(struct snd_soc_component *scomp, int index, 1520 struct snd_sof_widget *swidget, 1521 struct snd_soc_tplg_dapm_widget *tw, 1522 struct snd_sof_dai *dai) 1523 { 1524 struct snd_soc_tplg_private *private = &tw->priv; 1525 struct sof_ipc_comp_dai *comp_dai; 1526 size_t ipc_size = sizeof(*comp_dai); 1527 int ret; 1528 1529 comp_dai = (struct sof_ipc_comp_dai *) 1530 sof_comp_alloc(swidget, &ipc_size, index); 1531 if (!comp_dai) 1532 return -ENOMEM; 1533 1534 /* configure dai IPC message */ 1535 comp_dai->comp.type = SOF_COMP_DAI; 1536 comp_dai->config.hdr.size = sizeof(comp_dai->config); 1537 1538 ret = sof_parse_tokens(scomp, comp_dai, dai_tokens, 1539 ARRAY_SIZE(dai_tokens), private->array, 1540 le32_to_cpu(private->size)); 1541 if (ret != 0) { 1542 dev_err(scomp->dev, "error: parse dai tokens failed %d\n", 1543 le32_to_cpu(private->size)); 1544 goto finish; 1545 } 1546 1547 ret = sof_parse_tokens(scomp, &comp_dai->config, comp_tokens, 1548 ARRAY_SIZE(comp_tokens), private->array, 1549 le32_to_cpu(private->size)); 1550 if (ret != 0) { 1551 dev_err(scomp->dev, "error: parse dai.cfg tokens failed %d\n", 1552 private->size); 1553 goto finish; 1554 } 1555 1556 dev_dbg(scomp->dev, "dai %s: type %d index %d\n", 1557 swidget->widget->name, comp_dai->type, comp_dai->dai_index); 1558 sof_dbg_comp_config(scomp, &comp_dai->config); 1559 1560 if (dai) { 1561 dai->scomp = scomp; 1562 1563 /* 1564 * copy only the sof_ipc_comp_dai to avoid collapsing 1565 * the snd_sof_dai, the extended data is kept in the 1566 * snd_sof_widget. 1567 */ 1568 memcpy(&dai->comp_dai, comp_dai, sizeof(*comp_dai)); 1569 } 1570 1571 finish: 1572 kfree(comp_dai); 1573 return ret; 1574 } 1575 1576 /* 1577 * Buffer topology 1578 */ 1579 1580 static int sof_widget_load_buffer(struct snd_soc_component *scomp, int index, 1581 struct snd_sof_widget *swidget, 1582 struct snd_soc_tplg_dapm_widget *tw) 1583 { 1584 struct snd_soc_tplg_private *private = &tw->priv; 1585 struct sof_ipc_buffer *buffer; 1586 int ret; 1587 1588 buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); 1589 if (!buffer) 1590 return -ENOMEM; 1591 1592 /* configure dai IPC message */ 1593 buffer->comp.hdr.size = sizeof(*buffer); 1594 buffer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_BUFFER_NEW; 1595 buffer->comp.id = swidget->comp_id; 1596 buffer->comp.type = SOF_COMP_BUFFER; 1597 buffer->comp.pipeline_id = index; 1598 buffer->comp.core = swidget->core; 1599 1600 ret = sof_parse_tokens(scomp, buffer, buffer_tokens, 1601 ARRAY_SIZE(buffer_tokens), private->array, 1602 le32_to_cpu(private->size)); 1603 if (ret != 0) { 1604 dev_err(scomp->dev, "error: parse buffer tokens failed %d\n", 1605 private->size); 1606 kfree(buffer); 1607 return ret; 1608 } 1609 1610 dev_dbg(scomp->dev, "buffer %s: size %d caps 0x%x\n", 1611 swidget->widget->name, buffer->size, buffer->caps); 1612 1613 swidget->private = buffer; 1614 1615 return 0; 1616 } 1617 1618 /* bind PCM ID to host component ID */ 1619 static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm, 1620 int dir) 1621 { 1622 struct snd_sof_widget *host_widget; 1623 1624 host_widget = snd_sof_find_swidget_sname(scomp, 1625 spcm->pcm.caps[dir].name, 1626 dir); 1627 if (!host_widget) { 1628 dev_err(scomp->dev, "can't find host comp to bind pcm\n"); 1629 return -EINVAL; 1630 } 1631 1632 spcm->stream[dir].comp_id = host_widget->comp_id; 1633 1634 return 0; 1635 } 1636 1637 /* 1638 * PCM Topology 1639 */ 1640 1641 static int sof_widget_load_pcm(struct snd_soc_component *scomp, int index, 1642 struct snd_sof_widget *swidget, 1643 enum sof_ipc_stream_direction dir, 1644 struct snd_soc_tplg_dapm_widget *tw) 1645 { 1646 struct snd_soc_tplg_private *private = &tw->priv; 1647 struct sof_ipc_comp_host *host; 1648 size_t ipc_size = sizeof(*host); 1649 int ret; 1650 1651 host = (struct sof_ipc_comp_host *) 1652 sof_comp_alloc(swidget, &ipc_size, index); 1653 if (!host) 1654 return -ENOMEM; 1655 1656 /* configure host comp IPC message */ 1657 host->comp.type = SOF_COMP_HOST; 1658 host->direction = dir; 1659 host->config.hdr.size = sizeof(host->config); 1660 1661 ret = sof_parse_tokens(scomp, host, pcm_tokens, 1662 ARRAY_SIZE(pcm_tokens), private->array, 1663 le32_to_cpu(private->size)); 1664 if (ret != 0) { 1665 dev_err(scomp->dev, "error: parse host tokens failed %d\n", 1666 private->size); 1667 goto err; 1668 } 1669 1670 ret = sof_parse_tokens(scomp, &host->config, comp_tokens, 1671 ARRAY_SIZE(comp_tokens), private->array, 1672 le32_to_cpu(private->size)); 1673 if (ret != 0) { 1674 dev_err(scomp->dev, "error: parse host.cfg tokens failed %d\n", 1675 le32_to_cpu(private->size)); 1676 goto err; 1677 } 1678 1679 dev_dbg(scomp->dev, "loaded host %s\n", swidget->widget->name); 1680 sof_dbg_comp_config(scomp, &host->config); 1681 1682 swidget->private = host; 1683 1684 return 0; 1685 err: 1686 kfree(host); 1687 return ret; 1688 } 1689 1690 /* 1691 * Pipeline Topology 1692 */ 1693 int sof_load_pipeline_ipc(struct snd_sof_dev *sdev, 1694 struct sof_ipc_pipe_new *pipeline, 1695 struct sof_ipc_comp_reply *r) 1696 { 1697 int ret = sof_core_enable(sdev, pipeline->core); 1698 1699 if (ret < 0) 1700 return ret; 1701 1702 ret = sof_ipc_tx_message(sdev->ipc, pipeline->hdr.cmd, pipeline, 1703 sizeof(*pipeline), r, sizeof(*r)); 1704 if (ret < 0) 1705 dev_err(sdev->dev, "error: load pipeline ipc failure\n"); 1706 1707 return ret; 1708 } 1709 1710 static int sof_widget_load_pipeline(struct snd_soc_component *scomp, int index, 1711 struct snd_sof_widget *swidget, 1712 struct snd_soc_tplg_dapm_widget *tw) 1713 { 1714 struct snd_soc_tplg_private *private = &tw->priv; 1715 struct sof_ipc_pipe_new *pipeline; 1716 struct snd_sof_widget *comp_swidget; 1717 int ret; 1718 1719 pipeline = kzalloc(sizeof(*pipeline), GFP_KERNEL); 1720 if (!pipeline) 1721 return -ENOMEM; 1722 1723 /* configure dai IPC message */ 1724 pipeline->hdr.size = sizeof(*pipeline); 1725 pipeline->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_NEW; 1726 pipeline->pipeline_id = index; 1727 pipeline->comp_id = swidget->comp_id; 1728 1729 /* component at start of pipeline is our stream id */ 1730 comp_swidget = snd_sof_find_swidget(scomp, tw->sname); 1731 if (!comp_swidget) { 1732 dev_err(scomp->dev, "error: widget %s refers to non existent widget %s\n", 1733 tw->name, tw->sname); 1734 ret = -EINVAL; 1735 goto err; 1736 } 1737 1738 pipeline->sched_id = comp_swidget->comp_id; 1739 1740 dev_dbg(scomp->dev, "tplg: pipeline id %d comp %d scheduling comp id %d\n", 1741 pipeline->pipeline_id, pipeline->comp_id, pipeline->sched_id); 1742 1743 ret = sof_parse_tokens(scomp, pipeline, sched_tokens, 1744 ARRAY_SIZE(sched_tokens), private->array, 1745 le32_to_cpu(private->size)); 1746 if (ret != 0) { 1747 dev_err(scomp->dev, "error: parse pipeline tokens failed %d\n", 1748 private->size); 1749 goto err; 1750 } 1751 1752 ret = sof_parse_tokens(scomp, swidget, pipeline_tokens, 1753 ARRAY_SIZE(pipeline_tokens), private->array, 1754 le32_to_cpu(private->size)); 1755 if (ret != 0) { 1756 dev_err(scomp->dev, "error: parse dynamic pipeline token failed %d\n", 1757 private->size); 1758 goto err; 1759 } 1760 1761 if (sof_core_debug & SOF_DBG_DISABLE_MULTICORE) 1762 pipeline->core = SOF_DSP_PRIMARY_CORE; 1763 1764 if (sof_core_debug & SOF_DBG_DYNAMIC_PIPELINES_OVERRIDE) 1765 swidget->dynamic_pipeline_widget = sof_core_debug & 1766 SOF_DBG_DYNAMIC_PIPELINES_ENABLE; 1767 1768 dev_dbg(scomp->dev, "pipeline %s: period %d pri %d mips %d core %d frames %d dynamic %d\n", 1769 swidget->widget->name, pipeline->period, pipeline->priority, 1770 pipeline->period_mips, pipeline->core, pipeline->frames_per_sched, 1771 swidget->dynamic_pipeline_widget); 1772 1773 swidget->private = pipeline; 1774 1775 return 0; 1776 err: 1777 kfree(pipeline); 1778 return ret; 1779 } 1780 1781 /* 1782 * Mixer topology 1783 */ 1784 1785 static int sof_widget_load_mixer(struct snd_soc_component *scomp, int index, 1786 struct snd_sof_widget *swidget, 1787 struct snd_soc_tplg_dapm_widget *tw) 1788 { 1789 struct snd_soc_tplg_private *private = &tw->priv; 1790 struct sof_ipc_comp_mixer *mixer; 1791 size_t ipc_size = sizeof(*mixer); 1792 int ret; 1793 1794 mixer = (struct sof_ipc_comp_mixer *) 1795 sof_comp_alloc(swidget, &ipc_size, index); 1796 if (!mixer) 1797 return -ENOMEM; 1798 1799 /* configure mixer IPC message */ 1800 mixer->comp.type = SOF_COMP_MIXER; 1801 mixer->config.hdr.size = sizeof(mixer->config); 1802 1803 ret = sof_parse_tokens(scomp, &mixer->config, comp_tokens, 1804 ARRAY_SIZE(comp_tokens), private->array, 1805 le32_to_cpu(private->size)); 1806 if (ret != 0) { 1807 dev_err(scomp->dev, "error: parse mixer.cfg tokens failed %d\n", 1808 private->size); 1809 kfree(mixer); 1810 return ret; 1811 } 1812 1813 sof_dbg_comp_config(scomp, &mixer->config); 1814 1815 swidget->private = mixer; 1816 1817 return 0; 1818 } 1819 1820 /* 1821 * Mux topology 1822 */ 1823 static int sof_widget_load_mux(struct snd_soc_component *scomp, int index, 1824 struct snd_sof_widget *swidget, 1825 struct snd_soc_tplg_dapm_widget *tw) 1826 { 1827 struct snd_soc_tplg_private *private = &tw->priv; 1828 struct sof_ipc_comp_mux *mux; 1829 size_t ipc_size = sizeof(*mux); 1830 int ret; 1831 1832 mux = (struct sof_ipc_comp_mux *) 1833 sof_comp_alloc(swidget, &ipc_size, index); 1834 if (!mux) 1835 return -ENOMEM; 1836 1837 /* configure mux IPC message */ 1838 mux->comp.type = SOF_COMP_MUX; 1839 mux->config.hdr.size = sizeof(mux->config); 1840 1841 ret = sof_parse_tokens(scomp, &mux->config, comp_tokens, 1842 ARRAY_SIZE(comp_tokens), private->array, 1843 le32_to_cpu(private->size)); 1844 if (ret != 0) { 1845 dev_err(scomp->dev, "error: parse mux.cfg tokens failed %d\n", 1846 private->size); 1847 kfree(mux); 1848 return ret; 1849 } 1850 1851 sof_dbg_comp_config(scomp, &mux->config); 1852 1853 swidget->private = mux; 1854 1855 return 0; 1856 } 1857 1858 /* 1859 * PGA Topology 1860 */ 1861 1862 static int sof_widget_load_pga(struct snd_soc_component *scomp, int index, 1863 struct snd_sof_widget *swidget, 1864 struct snd_soc_tplg_dapm_widget *tw) 1865 { 1866 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1867 struct snd_soc_tplg_private *private = &tw->priv; 1868 struct sof_ipc_comp_volume *volume; 1869 struct snd_sof_control *scontrol; 1870 size_t ipc_size = sizeof(*volume); 1871 int min_step; 1872 int max_step; 1873 int ret; 1874 1875 volume = (struct sof_ipc_comp_volume *) 1876 sof_comp_alloc(swidget, &ipc_size, index); 1877 if (!volume) 1878 return -ENOMEM; 1879 1880 if (!le32_to_cpu(tw->num_kcontrols)) { 1881 dev_err(scomp->dev, "error: invalid kcontrol count %d for volume\n", 1882 tw->num_kcontrols); 1883 ret = -EINVAL; 1884 goto err; 1885 } 1886 1887 /* configure volume IPC message */ 1888 volume->comp.type = SOF_COMP_VOLUME; 1889 volume->config.hdr.size = sizeof(volume->config); 1890 1891 ret = sof_parse_tokens(scomp, volume, volume_tokens, 1892 ARRAY_SIZE(volume_tokens), private->array, 1893 le32_to_cpu(private->size)); 1894 if (ret != 0) { 1895 dev_err(scomp->dev, "error: parse volume tokens failed %d\n", 1896 private->size); 1897 goto err; 1898 } 1899 ret = sof_parse_tokens(scomp, &volume->config, comp_tokens, 1900 ARRAY_SIZE(comp_tokens), private->array, 1901 le32_to_cpu(private->size)); 1902 if (ret != 0) { 1903 dev_err(scomp->dev, "error: parse volume.cfg tokens failed %d\n", 1904 le32_to_cpu(private->size)); 1905 goto err; 1906 } 1907 1908 sof_dbg_comp_config(scomp, &volume->config); 1909 1910 swidget->private = volume; 1911 1912 list_for_each_entry(scontrol, &sdev->kcontrol_list, list) { 1913 if (scontrol->comp_id == swidget->comp_id && 1914 scontrol->volume_table) { 1915 min_step = scontrol->min_volume_step; 1916 max_step = scontrol->max_volume_step; 1917 volume->min_value = scontrol->volume_table[min_step]; 1918 volume->max_value = scontrol->volume_table[max_step]; 1919 volume->channels = scontrol->num_channels; 1920 break; 1921 } 1922 } 1923 1924 return 0; 1925 err: 1926 kfree(volume); 1927 return ret; 1928 } 1929 1930 /* 1931 * SRC Topology 1932 */ 1933 1934 static int sof_widget_load_src(struct snd_soc_component *scomp, int index, 1935 struct snd_sof_widget *swidget, 1936 struct snd_soc_tplg_dapm_widget *tw) 1937 { 1938 struct snd_soc_tplg_private *private = &tw->priv; 1939 struct sof_ipc_comp_src *src; 1940 size_t ipc_size = sizeof(*src); 1941 int ret; 1942 1943 src = (struct sof_ipc_comp_src *) 1944 sof_comp_alloc(swidget, &ipc_size, index); 1945 if (!src) 1946 return -ENOMEM; 1947 1948 /* configure src IPC message */ 1949 src->comp.type = SOF_COMP_SRC; 1950 src->config.hdr.size = sizeof(src->config); 1951 1952 ret = sof_parse_tokens(scomp, src, src_tokens, 1953 ARRAY_SIZE(src_tokens), private->array, 1954 le32_to_cpu(private->size)); 1955 if (ret != 0) { 1956 dev_err(scomp->dev, "error: parse src tokens failed %d\n", 1957 private->size); 1958 goto err; 1959 } 1960 1961 ret = sof_parse_tokens(scomp, &src->config, comp_tokens, 1962 ARRAY_SIZE(comp_tokens), private->array, 1963 le32_to_cpu(private->size)); 1964 if (ret != 0) { 1965 dev_err(scomp->dev, "error: parse src.cfg tokens failed %d\n", 1966 le32_to_cpu(private->size)); 1967 goto err; 1968 } 1969 1970 dev_dbg(scomp->dev, "src %s: source rate %d sink rate %d\n", 1971 swidget->widget->name, src->source_rate, src->sink_rate); 1972 sof_dbg_comp_config(scomp, &src->config); 1973 1974 swidget->private = src; 1975 1976 return 0; 1977 err: 1978 kfree(src); 1979 return ret; 1980 } 1981 1982 /* 1983 * ASRC Topology 1984 */ 1985 1986 static int sof_widget_load_asrc(struct snd_soc_component *scomp, int index, 1987 struct snd_sof_widget *swidget, 1988 struct snd_soc_tplg_dapm_widget *tw) 1989 { 1990 struct snd_soc_tplg_private *private = &tw->priv; 1991 struct sof_ipc_comp_asrc *asrc; 1992 size_t ipc_size = sizeof(*asrc); 1993 int ret; 1994 1995 asrc = (struct sof_ipc_comp_asrc *) 1996 sof_comp_alloc(swidget, &ipc_size, index); 1997 if (!asrc) 1998 return -ENOMEM; 1999 2000 /* configure ASRC IPC message */ 2001 asrc->comp.type = SOF_COMP_ASRC; 2002 asrc->config.hdr.size = sizeof(asrc->config); 2003 2004 ret = sof_parse_tokens(scomp, asrc, asrc_tokens, 2005 ARRAY_SIZE(asrc_tokens), private->array, 2006 le32_to_cpu(private->size)); 2007 if (ret != 0) { 2008 dev_err(scomp->dev, "error: parse asrc tokens failed %d\n", 2009 private->size); 2010 goto err; 2011 } 2012 2013 ret = sof_parse_tokens(scomp, &asrc->config, comp_tokens, 2014 ARRAY_SIZE(comp_tokens), private->array, 2015 le32_to_cpu(private->size)); 2016 if (ret != 0) { 2017 dev_err(scomp->dev, "error: parse asrc.cfg tokens failed %d\n", 2018 le32_to_cpu(private->size)); 2019 goto err; 2020 } 2021 2022 dev_dbg(scomp->dev, "asrc %s: source rate %d sink rate %d " 2023 "asynch %d operation %d\n", 2024 swidget->widget->name, asrc->source_rate, asrc->sink_rate, 2025 asrc->asynchronous_mode, asrc->operation_mode); 2026 sof_dbg_comp_config(scomp, &asrc->config); 2027 2028 swidget->private = asrc; 2029 2030 return 0; 2031 err: 2032 kfree(asrc); 2033 return ret; 2034 } 2035 2036 /* 2037 * Signal Generator Topology 2038 */ 2039 2040 static int sof_widget_load_siggen(struct snd_soc_component *scomp, int index, 2041 struct snd_sof_widget *swidget, 2042 struct snd_soc_tplg_dapm_widget *tw) 2043 { 2044 struct snd_soc_tplg_private *private = &tw->priv; 2045 struct sof_ipc_comp_tone *tone; 2046 size_t ipc_size = sizeof(*tone); 2047 int ret; 2048 2049 tone = (struct sof_ipc_comp_tone *) 2050 sof_comp_alloc(swidget, &ipc_size, index); 2051 if (!tone) 2052 return -ENOMEM; 2053 2054 /* configure siggen IPC message */ 2055 tone->comp.type = SOF_COMP_TONE; 2056 tone->config.hdr.size = sizeof(tone->config); 2057 2058 ret = sof_parse_tokens(scomp, tone, tone_tokens, 2059 ARRAY_SIZE(tone_tokens), private->array, 2060 le32_to_cpu(private->size)); 2061 if (ret != 0) { 2062 dev_err(scomp->dev, "error: parse tone tokens failed %d\n", 2063 le32_to_cpu(private->size)); 2064 goto err; 2065 } 2066 2067 ret = sof_parse_tokens(scomp, &tone->config, comp_tokens, 2068 ARRAY_SIZE(comp_tokens), private->array, 2069 le32_to_cpu(private->size)); 2070 if (ret != 0) { 2071 dev_err(scomp->dev, "error: parse tone.cfg tokens failed %d\n", 2072 le32_to_cpu(private->size)); 2073 goto err; 2074 } 2075 2076 dev_dbg(scomp->dev, "tone %s: frequency %d amplitude %d\n", 2077 swidget->widget->name, tone->frequency, tone->amplitude); 2078 sof_dbg_comp_config(scomp, &tone->config); 2079 2080 swidget->private = tone; 2081 2082 return 0; 2083 err: 2084 kfree(tone); 2085 return ret; 2086 } 2087 2088 static int sof_get_control_data(struct snd_soc_component *scomp, 2089 struct snd_soc_dapm_widget *widget, 2090 struct sof_widget_data *wdata, 2091 size_t *size) 2092 { 2093 const struct snd_kcontrol_new *kc; 2094 struct soc_mixer_control *sm; 2095 struct soc_bytes_ext *sbe; 2096 struct soc_enum *se; 2097 int i; 2098 2099 *size = 0; 2100 2101 for (i = 0; i < widget->num_kcontrols; i++) { 2102 kc = &widget->kcontrol_news[i]; 2103 2104 switch (widget->dobj.widget.kcontrol_type[i]) { 2105 case SND_SOC_TPLG_TYPE_MIXER: 2106 sm = (struct soc_mixer_control *)kc->private_value; 2107 wdata[i].control = sm->dobj.private; 2108 break; 2109 case SND_SOC_TPLG_TYPE_BYTES: 2110 sbe = (struct soc_bytes_ext *)kc->private_value; 2111 wdata[i].control = sbe->dobj.private; 2112 break; 2113 case SND_SOC_TPLG_TYPE_ENUM: 2114 se = (struct soc_enum *)kc->private_value; 2115 wdata[i].control = se->dobj.private; 2116 break; 2117 default: 2118 dev_err(scomp->dev, "error: unknown kcontrol type %u in widget %s\n", 2119 widget->dobj.widget.kcontrol_type[i], 2120 widget->name); 2121 return -EINVAL; 2122 } 2123 2124 if (!wdata[i].control) { 2125 dev_err(scomp->dev, "error: no scontrol for widget %s\n", 2126 widget->name); 2127 return -EINVAL; 2128 } 2129 2130 wdata[i].pdata = wdata[i].control->control_data->data; 2131 if (!wdata[i].pdata) 2132 return -EINVAL; 2133 2134 /* make sure data is valid - data can be updated at runtime */ 2135 if (widget->dobj.widget.kcontrol_type[i] == SND_SOC_TPLG_TYPE_BYTES && 2136 wdata[i].pdata->magic != SOF_ABI_MAGIC) 2137 return -EINVAL; 2138 2139 *size += wdata[i].pdata->size; 2140 2141 /* get data type */ 2142 switch (wdata[i].control->cmd) { 2143 case SOF_CTRL_CMD_VOLUME: 2144 case SOF_CTRL_CMD_ENUM: 2145 case SOF_CTRL_CMD_SWITCH: 2146 wdata[i].ipc_cmd = SOF_IPC_COMP_SET_VALUE; 2147 wdata[i].ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_SET; 2148 break; 2149 case SOF_CTRL_CMD_BINARY: 2150 wdata[i].ipc_cmd = SOF_IPC_COMP_SET_DATA; 2151 wdata[i].ctrl_type = SOF_CTRL_TYPE_DATA_SET; 2152 break; 2153 default: 2154 break; 2155 } 2156 } 2157 2158 return 0; 2159 } 2160 2161 static int sof_process_load(struct snd_soc_component *scomp, int index, 2162 struct snd_sof_widget *swidget, 2163 struct snd_soc_tplg_dapm_widget *tw, 2164 int type) 2165 { 2166 struct snd_soc_dapm_widget *widget = swidget->widget; 2167 struct snd_soc_tplg_private *private = &tw->priv; 2168 struct sof_ipc_comp_process *process; 2169 struct sof_widget_data *wdata = NULL; 2170 size_t ipc_data_size = 0; 2171 size_t ipc_size; 2172 int offset = 0; 2173 int ret; 2174 int i; 2175 2176 /* allocate struct for widget control data sizes and types */ 2177 if (widget->num_kcontrols) { 2178 wdata = kcalloc(widget->num_kcontrols, 2179 sizeof(*wdata), 2180 GFP_KERNEL); 2181 2182 if (!wdata) 2183 return -ENOMEM; 2184 2185 /* get possible component controls and get size of all pdata */ 2186 ret = sof_get_control_data(scomp, widget, wdata, 2187 &ipc_data_size); 2188 2189 if (ret < 0) 2190 goto out; 2191 } 2192 2193 ipc_size = sizeof(struct sof_ipc_comp_process) + ipc_data_size; 2194 2195 /* we are exceeding max ipc size, config needs to be sent separately */ 2196 if (ipc_size > SOF_IPC_MSG_MAX_SIZE) { 2197 ipc_size -= ipc_data_size; 2198 ipc_data_size = 0; 2199 } 2200 2201 process = (struct sof_ipc_comp_process *) 2202 sof_comp_alloc(swidget, &ipc_size, index); 2203 if (!process) { 2204 ret = -ENOMEM; 2205 goto out; 2206 } 2207 2208 /* configure iir IPC message */ 2209 process->comp.type = type; 2210 process->config.hdr.size = sizeof(process->config); 2211 2212 ret = sof_parse_tokens(scomp, &process->config, comp_tokens, 2213 ARRAY_SIZE(comp_tokens), private->array, 2214 le32_to_cpu(private->size)); 2215 if (ret != 0) { 2216 dev_err(scomp->dev, "error: parse process.cfg tokens failed %d\n", 2217 le32_to_cpu(private->size)); 2218 goto err; 2219 } 2220 2221 sof_dbg_comp_config(scomp, &process->config); 2222 2223 /* 2224 * found private data in control, so copy it. 2225 * get possible component controls - get size of all pdata, 2226 * then memcpy with headers 2227 */ 2228 if (ipc_data_size) { 2229 for (i = 0; i < widget->num_kcontrols; i++) { 2230 memcpy(&process->data + offset, 2231 wdata[i].pdata->data, 2232 wdata[i].pdata->size); 2233 offset += wdata[i].pdata->size; 2234 } 2235 } 2236 2237 process->size = ipc_data_size; 2238 swidget->private = process; 2239 err: 2240 if (ret < 0) 2241 kfree(process); 2242 out: 2243 kfree(wdata); 2244 return ret; 2245 } 2246 2247 /* 2248 * Processing Component Topology - can be "effect", "codec", or general 2249 * "processing". 2250 */ 2251 2252 static int sof_widget_load_process(struct snd_soc_component *scomp, int index, 2253 struct snd_sof_widget *swidget, 2254 struct snd_soc_tplg_dapm_widget *tw) 2255 { 2256 struct snd_soc_tplg_private *private = &tw->priv; 2257 struct sof_ipc_comp_process config; 2258 int ret; 2259 2260 /* check we have some tokens - we need at least process type */ 2261 if (le32_to_cpu(private->size) == 0) { 2262 dev_err(scomp->dev, "error: process tokens not found\n"); 2263 return -EINVAL; 2264 } 2265 2266 memset(&config, 0, sizeof(config)); 2267 config.comp.core = swidget->core; 2268 2269 /* get the process token */ 2270 ret = sof_parse_tokens(scomp, &config, process_tokens, 2271 ARRAY_SIZE(process_tokens), private->array, 2272 le32_to_cpu(private->size)); 2273 if (ret != 0) { 2274 dev_err(scomp->dev, "error: parse process tokens failed %d\n", 2275 le32_to_cpu(private->size)); 2276 return ret; 2277 } 2278 2279 /* now load process specific data and send IPC */ 2280 ret = sof_process_load(scomp, index, swidget, tw, find_process_comp_type(config.type)); 2281 if (ret < 0) { 2282 dev_err(scomp->dev, "error: process loading failed\n"); 2283 return ret; 2284 } 2285 2286 return 0; 2287 } 2288 2289 static int sof_widget_bind_event(struct snd_soc_component *scomp, 2290 struct snd_sof_widget *swidget, 2291 u16 event_type) 2292 { 2293 struct sof_ipc_comp *ipc_comp; 2294 2295 /* validate widget event type */ 2296 switch (event_type) { 2297 case SOF_KEYWORD_DETECT_DAPM_EVENT: 2298 /* only KEYWORD_DETECT comps should handle this */ 2299 if (swidget->id != snd_soc_dapm_effect) 2300 break; 2301 2302 ipc_comp = swidget->private; 2303 if (ipc_comp && ipc_comp->type != SOF_COMP_KEYWORD_DETECT) 2304 break; 2305 2306 /* bind event to keyword detect comp */ 2307 return snd_soc_tplg_widget_bind_event(swidget->widget, 2308 sof_kwd_events, 2309 ARRAY_SIZE(sof_kwd_events), 2310 event_type); 2311 default: 2312 break; 2313 } 2314 2315 dev_err(scomp->dev, 2316 "error: invalid event type %d for widget %s\n", 2317 event_type, swidget->widget->name); 2318 return -EINVAL; 2319 } 2320 2321 /* external widget init - used for any driver specific init */ 2322 static int sof_widget_ready(struct snd_soc_component *scomp, int index, 2323 struct snd_soc_dapm_widget *w, 2324 struct snd_soc_tplg_dapm_widget *tw) 2325 { 2326 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 2327 struct snd_sof_widget *swidget; 2328 struct snd_sof_dai *dai; 2329 struct sof_ipc_comp comp = { 2330 .core = SOF_DSP_PRIMARY_CORE, 2331 }; 2332 int ret = 0; 2333 2334 swidget = kzalloc(sizeof(*swidget), GFP_KERNEL); 2335 if (!swidget) 2336 return -ENOMEM; 2337 2338 swidget->scomp = scomp; 2339 swidget->widget = w; 2340 swidget->comp_id = sdev->next_comp_id++; 2341 swidget->complete = 0; 2342 swidget->id = w->id; 2343 swidget->pipeline_id = index; 2344 swidget->private = NULL; 2345 2346 dev_dbg(scomp->dev, "tplg: ready widget id %d pipe %d type %d name : %s stream %s\n", 2347 swidget->comp_id, index, swidget->id, tw->name, 2348 strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0 2349 ? tw->sname : "none"); 2350 2351 ret = sof_parse_tokens(scomp, &comp, core_tokens, 2352 ARRAY_SIZE(core_tokens), tw->priv.array, 2353 le32_to_cpu(tw->priv.size)); 2354 if (ret != 0) { 2355 dev_err(scomp->dev, "error: parsing core tokens failed %d\n", 2356 ret); 2357 kfree(swidget); 2358 return ret; 2359 } 2360 2361 if (sof_core_debug & SOF_DBG_DISABLE_MULTICORE) 2362 comp.core = SOF_DSP_PRIMARY_CORE; 2363 2364 swidget->core = comp.core; 2365 2366 ret = sof_parse_tokens(scomp, &swidget->comp_ext, comp_ext_tokens, 2367 ARRAY_SIZE(comp_ext_tokens), tw->priv.array, 2368 le32_to_cpu(tw->priv.size)); 2369 if (ret != 0) { 2370 dev_err(scomp->dev, "error: parsing comp_ext_tokens failed %d\n", 2371 ret); 2372 kfree(swidget); 2373 return ret; 2374 } 2375 2376 /* handle any special case widgets */ 2377 switch (w->id) { 2378 case snd_soc_dapm_dai_in: 2379 case snd_soc_dapm_dai_out: 2380 dai = kzalloc(sizeof(*dai), GFP_KERNEL); 2381 if (!dai) { 2382 kfree(swidget); 2383 return -ENOMEM; 2384 } 2385 2386 ret = sof_widget_load_dai(scomp, index, swidget, tw, dai); 2387 if (!ret) 2388 ret = sof_connect_dai_widget(scomp, w, tw, dai); 2389 if (ret < 0) { 2390 kfree(dai); 2391 break; 2392 } 2393 list_add(&dai->list, &sdev->dai_list); 2394 swidget->private = dai; 2395 break; 2396 case snd_soc_dapm_mixer: 2397 ret = sof_widget_load_mixer(scomp, index, swidget, tw); 2398 break; 2399 case snd_soc_dapm_pga: 2400 ret = sof_widget_load_pga(scomp, index, swidget, tw); 2401 break; 2402 case snd_soc_dapm_buffer: 2403 ret = sof_widget_load_buffer(scomp, index, swidget, tw); 2404 break; 2405 case snd_soc_dapm_scheduler: 2406 ret = sof_widget_load_pipeline(scomp, index, swidget, tw); 2407 break; 2408 case snd_soc_dapm_aif_out: 2409 ret = sof_widget_load_pcm(scomp, index, swidget, 2410 SOF_IPC_STREAM_CAPTURE, tw); 2411 break; 2412 case snd_soc_dapm_aif_in: 2413 ret = sof_widget_load_pcm(scomp, index, swidget, 2414 SOF_IPC_STREAM_PLAYBACK, tw); 2415 break; 2416 case snd_soc_dapm_src: 2417 ret = sof_widget_load_src(scomp, index, swidget, tw); 2418 break; 2419 case snd_soc_dapm_asrc: 2420 ret = sof_widget_load_asrc(scomp, index, swidget, tw); 2421 break; 2422 case snd_soc_dapm_siggen: 2423 ret = sof_widget_load_siggen(scomp, index, swidget, tw); 2424 break; 2425 case snd_soc_dapm_effect: 2426 ret = sof_widget_load_process(scomp, index, swidget, tw); 2427 break; 2428 case snd_soc_dapm_mux: 2429 case snd_soc_dapm_demux: 2430 ret = sof_widget_load_mux(scomp, index, swidget, tw); 2431 break; 2432 case snd_soc_dapm_switch: 2433 case snd_soc_dapm_dai_link: 2434 case snd_soc_dapm_kcontrol: 2435 default: 2436 dev_dbg(scomp->dev, "widget type %d name %s not handled\n", swidget->id, tw->name); 2437 break; 2438 } 2439 2440 /* check IPC reply */ 2441 if (ret < 0) { 2442 dev_err(scomp->dev, 2443 "error: failed to add widget id %d type %d name : %s stream %s\n", 2444 tw->shift, swidget->id, tw->name, 2445 strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0 2446 ? tw->sname : "none"); 2447 kfree(swidget); 2448 return ret; 2449 } 2450 2451 /* bind widget to external event */ 2452 if (tw->event_type) { 2453 ret = sof_widget_bind_event(scomp, swidget, 2454 le16_to_cpu(tw->event_type)); 2455 if (ret) { 2456 dev_err(scomp->dev, "error: widget event binding failed\n"); 2457 kfree(swidget->private); 2458 kfree(swidget); 2459 return ret; 2460 } 2461 } 2462 2463 w->dobj.private = swidget; 2464 list_add(&swidget->list, &sdev->widget_list); 2465 return ret; 2466 } 2467 2468 static int sof_route_unload(struct snd_soc_component *scomp, 2469 struct snd_soc_dobj *dobj) 2470 { 2471 struct snd_sof_route *sroute; 2472 2473 sroute = dobj->private; 2474 if (!sroute) 2475 return 0; 2476 2477 /* free sroute and its private data */ 2478 kfree(sroute->private); 2479 list_del(&sroute->list); 2480 kfree(sroute); 2481 2482 return 0; 2483 } 2484 2485 static int sof_widget_unload(struct snd_soc_component *scomp, 2486 struct snd_soc_dobj *dobj) 2487 { 2488 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 2489 const struct snd_kcontrol_new *kc; 2490 struct snd_soc_dapm_widget *widget; 2491 struct sof_ipc_pipe_new *pipeline; 2492 struct snd_sof_control *scontrol; 2493 struct snd_sof_widget *swidget; 2494 struct soc_mixer_control *sm; 2495 struct soc_bytes_ext *sbe; 2496 struct snd_sof_dai *dai; 2497 struct soc_enum *se; 2498 int ret = 0; 2499 int i; 2500 2501 swidget = dobj->private; 2502 if (!swidget) 2503 return 0; 2504 2505 widget = swidget->widget; 2506 2507 switch (swidget->id) { 2508 case snd_soc_dapm_dai_in: 2509 case snd_soc_dapm_dai_out: 2510 dai = swidget->private; 2511 2512 if (dai) { 2513 /* free dai config */ 2514 kfree(dai->dai_config); 2515 list_del(&dai->list); 2516 } 2517 break; 2518 case snd_soc_dapm_scheduler: 2519 2520 /* power down the pipeline schedule core */ 2521 pipeline = swidget->private; 2522 2523 /* 2524 * Runtime PM should still function normally if topology loading fails and 2525 * it's components are unloaded. Do not power down the primary core so that the 2526 * CTX_SAVE IPC can succeed during runtime suspend. 2527 */ 2528 if (pipeline->core == SOF_DSP_PRIMARY_CORE) 2529 break; 2530 2531 ret = snd_sof_dsp_core_power_down(sdev, 1 << pipeline->core); 2532 if (ret < 0) 2533 dev_err(scomp->dev, "error: powering down pipeline schedule core %d\n", 2534 pipeline->core); 2535 break; 2536 default: 2537 break; 2538 } 2539 for (i = 0; i < widget->num_kcontrols; i++) { 2540 kc = &widget->kcontrol_news[i]; 2541 switch (widget->dobj.widget.kcontrol_type[i]) { 2542 case SND_SOC_TPLG_TYPE_MIXER: 2543 sm = (struct soc_mixer_control *)kc->private_value; 2544 scontrol = sm->dobj.private; 2545 if (sm->max > 1) 2546 kfree(scontrol->volume_table); 2547 break; 2548 case SND_SOC_TPLG_TYPE_ENUM: 2549 se = (struct soc_enum *)kc->private_value; 2550 scontrol = se->dobj.private; 2551 break; 2552 case SND_SOC_TPLG_TYPE_BYTES: 2553 sbe = (struct soc_bytes_ext *)kc->private_value; 2554 scontrol = sbe->dobj.private; 2555 break; 2556 default: 2557 dev_warn(scomp->dev, "unsupported kcontrol_type\n"); 2558 goto out; 2559 } 2560 kfree(scontrol->control_data); 2561 list_del(&scontrol->list); 2562 kfree(scontrol); 2563 } 2564 2565 out: 2566 /* free private value */ 2567 kfree(swidget->private); 2568 2569 /* remove and free swidget object */ 2570 list_del(&swidget->list); 2571 kfree(swidget); 2572 2573 return ret; 2574 } 2575 2576 /* 2577 * DAI HW configuration. 2578 */ 2579 2580 /* FE DAI - used for any driver specific init */ 2581 static int sof_dai_load(struct snd_soc_component *scomp, int index, 2582 struct snd_soc_dai_driver *dai_drv, 2583 struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai) 2584 { 2585 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 2586 struct snd_soc_tplg_stream_caps *caps; 2587 struct snd_soc_tplg_private *private = &pcm->priv; 2588 struct snd_sof_pcm *spcm; 2589 int stream; 2590 int ret; 2591 2592 /* nothing to do for BEs atm */ 2593 if (!pcm) 2594 return 0; 2595 2596 spcm = kzalloc(sizeof(*spcm), GFP_KERNEL); 2597 if (!spcm) 2598 return -ENOMEM; 2599 2600 spcm->scomp = scomp; 2601 2602 for_each_pcm_streams(stream) { 2603 spcm->stream[stream].comp_id = COMP_ID_UNASSIGNED; 2604 if (pcm->compress) 2605 snd_sof_compr_init_elapsed_work(&spcm->stream[stream].period_elapsed_work); 2606 else 2607 snd_sof_pcm_init_elapsed_work(&spcm->stream[stream].period_elapsed_work); 2608 } 2609 2610 spcm->pcm = *pcm; 2611 dev_dbg(scomp->dev, "tplg: load pcm %s\n", pcm->dai_name); 2612 2613 dai_drv->dobj.private = spcm; 2614 list_add(&spcm->list, &sdev->pcm_list); 2615 2616 ret = sof_parse_tokens(scomp, spcm, stream_tokens, 2617 ARRAY_SIZE(stream_tokens), private->array, 2618 le32_to_cpu(private->size)); 2619 if (ret) { 2620 dev_err(scomp->dev, "error: parse stream tokens failed %d\n", 2621 le32_to_cpu(private->size)); 2622 return ret; 2623 } 2624 2625 /* do we need to allocate playback PCM DMA pages */ 2626 if (!spcm->pcm.playback) 2627 goto capture; 2628 2629 stream = SNDRV_PCM_STREAM_PLAYBACK; 2630 2631 dev_vdbg(scomp->dev, "tplg: pcm %s stream tokens: playback d0i3:%d\n", 2632 spcm->pcm.pcm_name, spcm->stream[stream].d0i3_compatible); 2633 2634 caps = &spcm->pcm.caps[stream]; 2635 2636 /* allocate playback page table buffer */ 2637 ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev, 2638 PAGE_SIZE, &spcm->stream[stream].page_table); 2639 if (ret < 0) { 2640 dev_err(scomp->dev, "error: can't alloc page table for %s %d\n", 2641 caps->name, ret); 2642 2643 return ret; 2644 } 2645 2646 /* bind pcm to host comp */ 2647 ret = spcm_bind(scomp, spcm, stream); 2648 if (ret) { 2649 dev_err(scomp->dev, 2650 "error: can't bind pcm to host\n"); 2651 goto free_playback_tables; 2652 } 2653 2654 capture: 2655 stream = SNDRV_PCM_STREAM_CAPTURE; 2656 2657 /* do we need to allocate capture PCM DMA pages */ 2658 if (!spcm->pcm.capture) 2659 return ret; 2660 2661 dev_vdbg(scomp->dev, "tplg: pcm %s stream tokens: capture d0i3:%d\n", 2662 spcm->pcm.pcm_name, spcm->stream[stream].d0i3_compatible); 2663 2664 caps = &spcm->pcm.caps[stream]; 2665 2666 /* allocate capture page table buffer */ 2667 ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev, 2668 PAGE_SIZE, &spcm->stream[stream].page_table); 2669 if (ret < 0) { 2670 dev_err(scomp->dev, "error: can't alloc page table for %s %d\n", 2671 caps->name, ret); 2672 goto free_playback_tables; 2673 } 2674 2675 /* bind pcm to host comp */ 2676 ret = spcm_bind(scomp, spcm, stream); 2677 if (ret) { 2678 dev_err(scomp->dev, 2679 "error: can't bind pcm to host\n"); 2680 snd_dma_free_pages(&spcm->stream[stream].page_table); 2681 goto free_playback_tables; 2682 } 2683 2684 return ret; 2685 2686 free_playback_tables: 2687 if (spcm->pcm.playback) 2688 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table); 2689 2690 return ret; 2691 } 2692 2693 static int sof_dai_unload(struct snd_soc_component *scomp, 2694 struct snd_soc_dobj *dobj) 2695 { 2696 struct snd_sof_pcm *spcm = dobj->private; 2697 2698 /* free PCM DMA pages */ 2699 if (spcm->pcm.playback) 2700 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table); 2701 2702 if (spcm->pcm.capture) 2703 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table); 2704 2705 /* remove from list and free spcm */ 2706 list_del(&spcm->list); 2707 kfree(spcm); 2708 2709 return 0; 2710 } 2711 2712 static void sof_dai_set_format(struct snd_soc_tplg_hw_config *hw_config, 2713 struct sof_ipc_dai_config *config) 2714 { 2715 /* clock directions wrt codec */ 2716 if (hw_config->bclk_provider == SND_SOC_TPLG_BCLK_CP) { 2717 /* codec is bclk provider */ 2718 if (hw_config->fsync_provider == SND_SOC_TPLG_FSYNC_CP) 2719 config->format |= SOF_DAI_FMT_CBP_CFP; 2720 else 2721 config->format |= SOF_DAI_FMT_CBP_CFC; 2722 } else { 2723 /* codec is bclk consumer */ 2724 if (hw_config->fsync_provider == SND_SOC_TPLG_FSYNC_CP) 2725 config->format |= SOF_DAI_FMT_CBC_CFP; 2726 else 2727 config->format |= SOF_DAI_FMT_CBC_CFC; 2728 } 2729 2730 /* inverted clocks ? */ 2731 if (hw_config->invert_bclk) { 2732 if (hw_config->invert_fsync) 2733 config->format |= SOF_DAI_FMT_IB_IF; 2734 else 2735 config->format |= SOF_DAI_FMT_IB_NF; 2736 } else { 2737 if (hw_config->invert_fsync) 2738 config->format |= SOF_DAI_FMT_NB_IF; 2739 else 2740 config->format |= SOF_DAI_FMT_NB_NF; 2741 } 2742 } 2743 2744 /* 2745 * Send IPC and set the same config for all DAIs with name matching the link 2746 * name. Note that the function can only be used for the case that all DAIs 2747 * have a common DAI config for now. 2748 */ 2749 static int sof_set_dai_config_multi(struct snd_sof_dev *sdev, u32 size, 2750 struct snd_soc_dai_link *link, 2751 struct sof_ipc_dai_config *config, 2752 int num_conf, int curr_conf) 2753 { 2754 struct snd_sof_dai *dai; 2755 int found = 0; 2756 int i; 2757 2758 list_for_each_entry(dai, &sdev->dai_list, list) { 2759 if (!dai->name) 2760 continue; 2761 2762 if (strcmp(link->name, dai->name) == 0) { 2763 /* 2764 * the same dai config will be applied to all DAIs in 2765 * the same dai link. We have to ensure that the ipc 2766 * dai config's dai_index match to the component's 2767 * dai_index. 2768 */ 2769 for (i = 0; i < num_conf; i++) 2770 config[i].dai_index = dai->comp_dai.dai_index; 2771 2772 dev_dbg(sdev->dev, "set DAI config for %s index %d\n", 2773 dai->name, config[curr_conf].dai_index); 2774 2775 dai->number_configs = num_conf; 2776 dai->current_config = curr_conf; 2777 dai->dai_config = kmemdup(config, size * num_conf, GFP_KERNEL); 2778 if (!dai->dai_config) 2779 return -ENOMEM; 2780 2781 found = 1; 2782 } 2783 } 2784 2785 /* 2786 * machine driver may define a dai link with playback and capture 2787 * dai enabled, but the dai link in topology would support both, one 2788 * or none of them. Here print a warning message to notify user 2789 */ 2790 if (!found) { 2791 dev_warn(sdev->dev, "warning: failed to find dai for dai link %s", 2792 link->name); 2793 } 2794 2795 return 0; 2796 } 2797 2798 static int sof_set_dai_config(struct snd_sof_dev *sdev, u32 size, 2799 struct snd_soc_dai_link *link, 2800 struct sof_ipc_dai_config *config) 2801 { 2802 return sof_set_dai_config_multi(sdev, size, link, config, 1, 0); 2803 } 2804 2805 static int sof_link_ssp_load(struct snd_soc_component *scomp, int index, 2806 struct snd_soc_dai_link *link, 2807 struct snd_soc_tplg_link_config *cfg, 2808 struct snd_soc_tplg_hw_config *hw_config, 2809 struct sof_ipc_dai_config *config, int curr_conf) 2810 { 2811 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 2812 struct snd_soc_tplg_private *private = &cfg->priv; 2813 int num_conf = le32_to_cpu(cfg->num_hw_configs); 2814 u32 size = sizeof(*config); 2815 int ret; 2816 int i; 2817 2818 /* 2819 * Parse common data, we should have 1 common data per hw_config. 2820 */ 2821 ret = sof_parse_token_sets(scomp, &config->ssp, ssp_tokens, 2822 ARRAY_SIZE(ssp_tokens), private->array, 2823 le32_to_cpu(private->size), 2824 num_conf, size); 2825 2826 if (ret != 0) { 2827 dev_err(scomp->dev, "error: parse ssp tokens failed %d\n", 2828 le32_to_cpu(private->size)); 2829 return ret; 2830 } 2831 2832 /* process all possible hw configs */ 2833 for (i = 0; i < num_conf; i++) { 2834 2835 /* handle master/slave and inverted clocks */ 2836 sof_dai_set_format(&hw_config[i], &config[i]); 2837 2838 config[i].hdr.size = size; 2839 2840 /* copy differentiating hw configs to ipc structs */ 2841 config[i].ssp.mclk_rate = le32_to_cpu(hw_config[i].mclk_rate); 2842 config[i].ssp.bclk_rate = le32_to_cpu(hw_config[i].bclk_rate); 2843 config[i].ssp.fsync_rate = le32_to_cpu(hw_config[i].fsync_rate); 2844 config[i].ssp.tdm_slots = le32_to_cpu(hw_config[i].tdm_slots); 2845 config[i].ssp.tdm_slot_width = le32_to_cpu(hw_config[i].tdm_slot_width); 2846 config[i].ssp.mclk_direction = hw_config[i].mclk_direction; 2847 config[i].ssp.rx_slots = le32_to_cpu(hw_config[i].rx_slots); 2848 config[i].ssp.tx_slots = le32_to_cpu(hw_config[i].tx_slots); 2849 2850 dev_dbg(scomp->dev, "tplg: config SSP%d fmt %#x mclk %d bclk %d fclk %d width (%d)%d slots %d mclk id %d quirks %d clks_control %#x\n", 2851 config[i].dai_index, config[i].format, 2852 config[i].ssp.mclk_rate, config[i].ssp.bclk_rate, 2853 config[i].ssp.fsync_rate, config[i].ssp.sample_valid_bits, 2854 config[i].ssp.tdm_slot_width, config[i].ssp.tdm_slots, 2855 config[i].ssp.mclk_id, config[i].ssp.quirks, config[i].ssp.clks_control); 2856 2857 /* validate SSP fsync rate and channel count */ 2858 if (config[i].ssp.fsync_rate < 8000 || config[i].ssp.fsync_rate > 192000) { 2859 dev_err(scomp->dev, "error: invalid fsync rate for SSP%d\n", 2860 config[i].dai_index); 2861 return -EINVAL; 2862 } 2863 2864 if (config[i].ssp.tdm_slots < 1 || config[i].ssp.tdm_slots > 8) { 2865 dev_err(scomp->dev, "error: invalid channel count for SSP%d\n", 2866 config[i].dai_index); 2867 return -EINVAL; 2868 } 2869 } 2870 2871 /* set config for all DAI's with name matching the link name */ 2872 ret = sof_set_dai_config_multi(sdev, size, link, config, num_conf, curr_conf); 2873 if (ret < 0) 2874 dev_err(scomp->dev, "error: failed to save DAI config for SSP%d\n", 2875 config->dai_index); 2876 2877 return ret; 2878 } 2879 2880 static int sof_link_sai_load(struct snd_soc_component *scomp, int index, 2881 struct snd_soc_dai_link *link, 2882 struct snd_soc_tplg_link_config *cfg, 2883 struct snd_soc_tplg_hw_config *hw_config, 2884 struct sof_ipc_dai_config *config) 2885 { 2886 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 2887 struct snd_soc_tplg_private *private = &cfg->priv; 2888 u32 size = sizeof(*config); 2889 int ret; 2890 2891 /* handle master/slave and inverted clocks */ 2892 sof_dai_set_format(hw_config, config); 2893 2894 /* init IPC */ 2895 memset(&config->sai, 0, sizeof(struct sof_ipc_dai_sai_params)); 2896 config->hdr.size = size; 2897 2898 ret = sof_parse_tokens(scomp, &config->sai, sai_tokens, 2899 ARRAY_SIZE(sai_tokens), private->array, 2900 le32_to_cpu(private->size)); 2901 if (ret != 0) { 2902 dev_err(scomp->dev, "error: parse sai tokens failed %d\n", 2903 le32_to_cpu(private->size)); 2904 return ret; 2905 } 2906 2907 config->sai.mclk_rate = le32_to_cpu(hw_config->mclk_rate); 2908 config->sai.bclk_rate = le32_to_cpu(hw_config->bclk_rate); 2909 config->sai.fsync_rate = le32_to_cpu(hw_config->fsync_rate); 2910 config->sai.mclk_direction = hw_config->mclk_direction; 2911 2912 config->sai.tdm_slots = le32_to_cpu(hw_config->tdm_slots); 2913 config->sai.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width); 2914 config->sai.rx_slots = le32_to_cpu(hw_config->rx_slots); 2915 config->sai.tx_slots = le32_to_cpu(hw_config->tx_slots); 2916 2917 dev_info(scomp->dev, 2918 "tplg: config SAI%d fmt 0x%x mclk %d width %d slots %d mclk id %d\n", 2919 config->dai_index, config->format, 2920 config->sai.mclk_rate, config->sai.tdm_slot_width, 2921 config->sai.tdm_slots, config->sai.mclk_id); 2922 2923 if (config->sai.tdm_slots < 1 || config->sai.tdm_slots > 8) { 2924 dev_err(scomp->dev, "error: invalid channel count for SAI%d\n", 2925 config->dai_index); 2926 return -EINVAL; 2927 } 2928 2929 /* set config for all DAI's with name matching the link name */ 2930 ret = sof_set_dai_config(sdev, size, link, config); 2931 if (ret < 0) 2932 dev_err(scomp->dev, "error: failed to save DAI config for SAI%d\n", 2933 config->dai_index); 2934 2935 return ret; 2936 } 2937 2938 static int sof_link_esai_load(struct snd_soc_component *scomp, int index, 2939 struct snd_soc_dai_link *link, 2940 struct snd_soc_tplg_link_config *cfg, 2941 struct snd_soc_tplg_hw_config *hw_config, 2942 struct sof_ipc_dai_config *config) 2943 { 2944 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 2945 struct snd_soc_tplg_private *private = &cfg->priv; 2946 u32 size = sizeof(*config); 2947 int ret; 2948 2949 /* handle master/slave and inverted clocks */ 2950 sof_dai_set_format(hw_config, config); 2951 2952 /* init IPC */ 2953 memset(&config->esai, 0, sizeof(struct sof_ipc_dai_esai_params)); 2954 config->hdr.size = size; 2955 2956 ret = sof_parse_tokens(scomp, &config->esai, esai_tokens, 2957 ARRAY_SIZE(esai_tokens), private->array, 2958 le32_to_cpu(private->size)); 2959 if (ret != 0) { 2960 dev_err(scomp->dev, "error: parse esai tokens failed %d\n", 2961 le32_to_cpu(private->size)); 2962 return ret; 2963 } 2964 2965 config->esai.mclk_rate = le32_to_cpu(hw_config->mclk_rate); 2966 config->esai.bclk_rate = le32_to_cpu(hw_config->bclk_rate); 2967 config->esai.fsync_rate = le32_to_cpu(hw_config->fsync_rate); 2968 config->esai.mclk_direction = hw_config->mclk_direction; 2969 config->esai.tdm_slots = le32_to_cpu(hw_config->tdm_slots); 2970 config->esai.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width); 2971 config->esai.rx_slots = le32_to_cpu(hw_config->rx_slots); 2972 config->esai.tx_slots = le32_to_cpu(hw_config->tx_slots); 2973 2974 dev_info(scomp->dev, 2975 "tplg: config ESAI%d fmt 0x%x mclk %d width %d slots %d mclk id %d\n", 2976 config->dai_index, config->format, 2977 config->esai.mclk_rate, config->esai.tdm_slot_width, 2978 config->esai.tdm_slots, config->esai.mclk_id); 2979 2980 if (config->esai.tdm_slots < 1 || config->esai.tdm_slots > 8) { 2981 dev_err(scomp->dev, "error: invalid channel count for ESAI%d\n", 2982 config->dai_index); 2983 return -EINVAL; 2984 } 2985 2986 /* set config for all DAI's with name matching the link name */ 2987 ret = sof_set_dai_config(sdev, size, link, config); 2988 if (ret < 0) 2989 dev_err(scomp->dev, "error: failed to save DAI config for ESAI%d\n", 2990 config->dai_index); 2991 2992 return ret; 2993 } 2994 2995 static int sof_link_dmic_load(struct snd_soc_component *scomp, int index, 2996 struct snd_soc_dai_link *link, 2997 struct snd_soc_tplg_link_config *cfg, 2998 struct snd_soc_tplg_hw_config *hw_config, 2999 struct sof_ipc_dai_config *config) 3000 { 3001 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 3002 struct snd_soc_tplg_private *private = &cfg->priv; 3003 struct sof_ipc_fw_ready *ready = &sdev->fw_ready; 3004 struct sof_ipc_fw_version *v = &ready->version; 3005 size_t size = sizeof(*config); 3006 int ret, j; 3007 3008 /* Ensure the entire DMIC config struct is zeros */ 3009 memset(&config->dmic, 0, sizeof(struct sof_ipc_dai_dmic_params)); 3010 3011 /* get DMIC tokens */ 3012 ret = sof_parse_tokens(scomp, &config->dmic, dmic_tokens, 3013 ARRAY_SIZE(dmic_tokens), private->array, 3014 le32_to_cpu(private->size)); 3015 if (ret != 0) { 3016 dev_err(scomp->dev, "error: parse dmic tokens failed %d\n", 3017 le32_to_cpu(private->size)); 3018 return ret; 3019 } 3020 3021 /* get DMIC PDM tokens */ 3022 ret = sof_parse_token_sets(scomp, &config->dmic.pdm[0], dmic_pdm_tokens, 3023 ARRAY_SIZE(dmic_pdm_tokens), private->array, 3024 le32_to_cpu(private->size), 3025 config->dmic.num_pdm_active, 3026 sizeof(struct sof_ipc_dai_dmic_pdm_ctrl)); 3027 3028 if (ret != 0) { 3029 dev_err(scomp->dev, "error: parse dmic pdm tokens failed %d\n", 3030 le32_to_cpu(private->size)); 3031 return ret; 3032 } 3033 3034 /* set IPC header size */ 3035 config->hdr.size = size; 3036 3037 /* debug messages */ 3038 dev_dbg(scomp->dev, "tplg: config DMIC%d driver version %d\n", 3039 config->dai_index, config->dmic.driver_ipc_version); 3040 dev_dbg(scomp->dev, "pdmclk_min %d pdm_clkmax %d duty_min %hd\n", 3041 config->dmic.pdmclk_min, config->dmic.pdmclk_max, 3042 config->dmic.duty_min); 3043 dev_dbg(scomp->dev, "duty_max %hd fifo_fs %d num_pdms active %d\n", 3044 config->dmic.duty_max, config->dmic.fifo_fs, 3045 config->dmic.num_pdm_active); 3046 dev_dbg(scomp->dev, "fifo word length %hd\n", config->dmic.fifo_bits); 3047 3048 for (j = 0; j < config->dmic.num_pdm_active; j++) { 3049 dev_dbg(scomp->dev, "pdm %hd mic a %hd mic b %hd\n", 3050 config->dmic.pdm[j].id, 3051 config->dmic.pdm[j].enable_mic_a, 3052 config->dmic.pdm[j].enable_mic_b); 3053 dev_dbg(scomp->dev, "pdm %hd polarity a %hd polarity b %hd\n", 3054 config->dmic.pdm[j].id, 3055 config->dmic.pdm[j].polarity_mic_a, 3056 config->dmic.pdm[j].polarity_mic_b); 3057 dev_dbg(scomp->dev, "pdm %hd clk_edge %hd skew %hd\n", 3058 config->dmic.pdm[j].id, 3059 config->dmic.pdm[j].clk_edge, 3060 config->dmic.pdm[j].skew); 3061 } 3062 3063 /* 3064 * this takes care of backwards compatible handling of fifo_bits_b. 3065 * It is deprecated since firmware ABI version 3.0.1. 3066 */ 3067 if (SOF_ABI_VER(v->major, v->minor, v->micro) < SOF_ABI_VER(3, 0, 1)) 3068 config->dmic.fifo_bits_b = config->dmic.fifo_bits; 3069 3070 /* set config for all DAI's with name matching the link name */ 3071 ret = sof_set_dai_config(sdev, size, link, config); 3072 if (ret < 0) 3073 dev_err(scomp->dev, "error: failed to save DAI config for DMIC%d\n", 3074 config->dai_index); 3075 3076 return ret; 3077 } 3078 3079 static int sof_link_hda_load(struct snd_soc_component *scomp, int index, 3080 struct snd_soc_dai_link *link, 3081 struct snd_soc_tplg_link_config *cfg, 3082 struct snd_soc_tplg_hw_config *hw_config, 3083 struct sof_ipc_dai_config *config) 3084 { 3085 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 3086 struct snd_soc_tplg_private *private = &cfg->priv; 3087 struct snd_soc_dai *dai; 3088 u32 size = sizeof(*config); 3089 int ret; 3090 3091 /* init IPC */ 3092 memset(&config->hda, 0, sizeof(struct sof_ipc_dai_hda_params)); 3093 config->hdr.size = size; 3094 3095 /* get any bespoke DAI tokens */ 3096 ret = sof_parse_tokens(scomp, &config->hda, hda_tokens, 3097 ARRAY_SIZE(hda_tokens), private->array, 3098 le32_to_cpu(private->size)); 3099 if (ret != 0) { 3100 dev_err(scomp->dev, "error: parse hda tokens failed %d\n", 3101 le32_to_cpu(private->size)); 3102 return ret; 3103 } 3104 3105 dev_dbg(scomp->dev, "HDA config rate %d channels %d\n", 3106 config->hda.rate, config->hda.channels); 3107 3108 dai = snd_soc_find_dai(link->cpus); 3109 if (!dai) { 3110 dev_err(scomp->dev, "error: failed to find dai %s in %s", 3111 link->cpus->dai_name, __func__); 3112 return -EINVAL; 3113 } 3114 3115 config->hda.link_dma_ch = DMA_CHAN_INVALID; 3116 3117 ret = sof_set_dai_config(sdev, size, link, config); 3118 if (ret < 0) 3119 dev_err(scomp->dev, "error: failed to process hda dai link %s", 3120 link->name); 3121 3122 return ret; 3123 } 3124 3125 static int sof_link_alh_load(struct snd_soc_component *scomp, int index, 3126 struct snd_soc_dai_link *link, 3127 struct snd_soc_tplg_link_config *cfg, 3128 struct snd_soc_tplg_hw_config *hw_config, 3129 struct sof_ipc_dai_config *config) 3130 { 3131 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 3132 struct snd_soc_tplg_private *private = &cfg->priv; 3133 u32 size = sizeof(*config); 3134 int ret; 3135 3136 ret = sof_parse_tokens(scomp, &config->alh, alh_tokens, 3137 ARRAY_SIZE(alh_tokens), private->array, 3138 le32_to_cpu(private->size)); 3139 if (ret != 0) { 3140 dev_err(scomp->dev, "error: parse alh tokens failed %d\n", 3141 le32_to_cpu(private->size)); 3142 return ret; 3143 } 3144 3145 /* init IPC */ 3146 config->hdr.size = size; 3147 3148 /* set config for all DAI's with name matching the link name */ 3149 ret = sof_set_dai_config(sdev, size, link, config); 3150 if (ret < 0) 3151 dev_err(scomp->dev, "error: failed to save DAI config for ALH %d\n", 3152 config->dai_index); 3153 3154 return ret; 3155 } 3156 3157 /* DAI link - used for any driver specific init */ 3158 static int sof_link_load(struct snd_soc_component *scomp, int index, 3159 struct snd_soc_dai_link *link, 3160 struct snd_soc_tplg_link_config *cfg) 3161 { 3162 struct snd_soc_tplg_private *private = &cfg->priv; 3163 struct snd_soc_tplg_hw_config *hw_config; 3164 struct sof_ipc_dai_config common_config; 3165 struct sof_ipc_dai_config *config; 3166 int curr_conf; 3167 int num_conf; 3168 int ret; 3169 int i; 3170 3171 if (!link->platforms) { 3172 dev_err(scomp->dev, "error: no platforms\n"); 3173 return -EINVAL; 3174 } 3175 link->platforms->name = dev_name(scomp->dev); 3176 3177 /* 3178 * Set nonatomic property for FE dai links as their trigger action 3179 * involves IPC's. 3180 */ 3181 if (!link->no_pcm) { 3182 link->nonatomic = true; 3183 3184 /* 3185 * set default trigger order for all links. Exceptions to 3186 * the rule will be handled in sof_pcm_dai_link_fixup() 3187 * For playback, the sequence is the following: start FE, 3188 * start BE, stop BE, stop FE; for Capture the sequence is 3189 * inverted start BE, start FE, stop FE, stop BE 3190 */ 3191 link->trigger[SNDRV_PCM_STREAM_PLAYBACK] = 3192 SND_SOC_DPCM_TRIGGER_PRE; 3193 link->trigger[SNDRV_PCM_STREAM_CAPTURE] = 3194 SND_SOC_DPCM_TRIGGER_POST; 3195 3196 /* nothing more to do for FE dai links */ 3197 return 0; 3198 } 3199 3200 /* check we have some tokens - we need at least DAI type */ 3201 if (le32_to_cpu(private->size) == 0) { 3202 dev_err(scomp->dev, "error: expected tokens for DAI, none found\n"); 3203 return -EINVAL; 3204 } 3205 3206 memset(&common_config, 0, sizeof(common_config)); 3207 3208 /* get any common DAI tokens */ 3209 ret = sof_parse_tokens(scomp, &common_config, dai_link_tokens, ARRAY_SIZE(dai_link_tokens), 3210 private->array, le32_to_cpu(private->size)); 3211 if (ret != 0) { 3212 dev_err(scomp->dev, "error: parse link tokens failed %d\n", 3213 le32_to_cpu(private->size)); 3214 return ret; 3215 } 3216 3217 /* 3218 * DAI links are expected to have at least 1 hw_config. 3219 * But some older topologies might have no hw_config for HDA dai links. 3220 */ 3221 hw_config = cfg->hw_config; 3222 num_conf = le32_to_cpu(cfg->num_hw_configs); 3223 if (!num_conf) { 3224 if (common_config.type != SOF_DAI_INTEL_HDA) { 3225 dev_err(scomp->dev, "error: unexpected DAI config count %d!\n", 3226 le32_to_cpu(cfg->num_hw_configs)); 3227 return -EINVAL; 3228 } 3229 num_conf = 1; 3230 curr_conf = 0; 3231 } else { 3232 dev_dbg(scomp->dev, "tplg: %d hw_configs found, default id: %d!\n", 3233 cfg->num_hw_configs, le32_to_cpu(cfg->default_hw_config_id)); 3234 3235 for (curr_conf = 0; curr_conf < num_conf; curr_conf++) { 3236 if (hw_config[curr_conf].id == cfg->default_hw_config_id) 3237 break; 3238 } 3239 3240 if (curr_conf == num_conf) { 3241 dev_err(scomp->dev, "error: default hw_config id: %d not found!\n", 3242 le32_to_cpu(cfg->default_hw_config_id)); 3243 return -EINVAL; 3244 } 3245 } 3246 3247 /* Reserve memory for all hw configs, eventually freed by widget */ 3248 config = kcalloc(num_conf, sizeof(*config), GFP_KERNEL); 3249 if (!config) 3250 return -ENOMEM; 3251 3252 /* Copy common data to all config ipc structs */ 3253 for (i = 0; i < num_conf; i++) { 3254 config[i].hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG; 3255 config[i].format = le32_to_cpu(hw_config[i].fmt); 3256 config[i].type = common_config.type; 3257 config[i].dai_index = common_config.dai_index; 3258 } 3259 3260 /* now load DAI specific data and send IPC - type comes from token */ 3261 switch (common_config.type) { 3262 case SOF_DAI_INTEL_SSP: 3263 ret = sof_link_ssp_load(scomp, index, link, cfg, hw_config, config, curr_conf); 3264 break; 3265 case SOF_DAI_INTEL_DMIC: 3266 ret = sof_link_dmic_load(scomp, index, link, cfg, hw_config + curr_conf, config); 3267 break; 3268 case SOF_DAI_INTEL_HDA: 3269 ret = sof_link_hda_load(scomp, index, link, cfg, hw_config + curr_conf, config); 3270 break; 3271 case SOF_DAI_INTEL_ALH: 3272 ret = sof_link_alh_load(scomp, index, link, cfg, hw_config + curr_conf, config); 3273 break; 3274 case SOF_DAI_IMX_SAI: 3275 ret = sof_link_sai_load(scomp, index, link, cfg, hw_config + curr_conf, config); 3276 break; 3277 case SOF_DAI_IMX_ESAI: 3278 ret = sof_link_esai_load(scomp, index, link, cfg, hw_config + curr_conf, config); 3279 break; 3280 default: 3281 dev_err(scomp->dev, "error: invalid DAI type %d\n", common_config.type); 3282 ret = -EINVAL; 3283 break; 3284 } 3285 3286 kfree(config); 3287 3288 return ret; 3289 } 3290 3291 /* DAI link - used for any driver specific init */ 3292 static int sof_route_load(struct snd_soc_component *scomp, int index, 3293 struct snd_soc_dapm_route *route) 3294 { 3295 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 3296 struct sof_ipc_pipe_comp_connect *connect; 3297 struct snd_sof_widget *source_swidget, *sink_swidget; 3298 struct snd_soc_dobj *dobj = &route->dobj; 3299 struct snd_sof_route *sroute; 3300 int ret = 0; 3301 3302 /* allocate memory for sroute and connect */ 3303 sroute = kzalloc(sizeof(*sroute), GFP_KERNEL); 3304 if (!sroute) 3305 return -ENOMEM; 3306 3307 sroute->scomp = scomp; 3308 3309 connect = kzalloc(sizeof(*connect), GFP_KERNEL); 3310 if (!connect) { 3311 kfree(sroute); 3312 return -ENOMEM; 3313 } 3314 3315 connect->hdr.size = sizeof(*connect); 3316 connect->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_CONNECT; 3317 3318 dev_dbg(scomp->dev, "sink %s control %s source %s\n", 3319 route->sink, route->control ? route->control : "none", 3320 route->source); 3321 3322 /* source component */ 3323 source_swidget = snd_sof_find_swidget(scomp, (char *)route->source); 3324 if (!source_swidget) { 3325 dev_err(scomp->dev, "error: source %s not found\n", 3326 route->source); 3327 ret = -EINVAL; 3328 goto err; 3329 } 3330 3331 /* 3332 * Virtual widgets of type output/out_drv may be added in topology 3333 * for compatibility. These are not handled by the FW. 3334 * So, don't send routes whose source/sink widget is of such types 3335 * to the DSP. 3336 */ 3337 if (source_swidget->id == snd_soc_dapm_out_drv || 3338 source_swidget->id == snd_soc_dapm_output) 3339 goto err; 3340 3341 connect->source_id = source_swidget->comp_id; 3342 3343 /* sink component */ 3344 sink_swidget = snd_sof_find_swidget(scomp, (char *)route->sink); 3345 if (!sink_swidget) { 3346 dev_err(scomp->dev, "error: sink %s not found\n", 3347 route->sink); 3348 ret = -EINVAL; 3349 goto err; 3350 } 3351 3352 /* 3353 * Don't send routes whose sink widget is of type 3354 * output or out_drv to the DSP 3355 */ 3356 if (sink_swidget->id == snd_soc_dapm_out_drv || 3357 sink_swidget->id == snd_soc_dapm_output) 3358 goto err; 3359 3360 connect->sink_id = sink_swidget->comp_id; 3361 3362 /* 3363 * For virtual routes, both sink and source are not 3364 * buffer. Since only buffer linked to component is supported by 3365 * FW, others are reported as error, add check in route function, 3366 * do not send it to FW when both source and sink are not buffer 3367 */ 3368 if (source_swidget->id != snd_soc_dapm_buffer && 3369 sink_swidget->id != snd_soc_dapm_buffer) { 3370 dev_dbg(scomp->dev, "warning: neither Linked source component %s nor sink component %s is of buffer type, ignoring link\n", 3371 route->source, route->sink); 3372 goto err; 3373 } else { 3374 sroute->route = route; 3375 dobj->private = sroute; 3376 sroute->private = connect; 3377 sroute->src_widget = source_swidget; 3378 sroute->sink_widget = sink_swidget; 3379 3380 /* add route to route list */ 3381 list_add(&sroute->list, &sdev->route_list); 3382 3383 return 0; 3384 } 3385 3386 err: 3387 kfree(connect); 3388 kfree(sroute); 3389 return ret; 3390 } 3391 3392 int snd_sof_complete_pipeline(struct snd_sof_dev *sdev, 3393 struct snd_sof_widget *swidget) 3394 { 3395 struct sof_ipc_pipe_ready ready; 3396 struct sof_ipc_reply reply; 3397 int ret; 3398 3399 dev_dbg(sdev->dev, "tplg: complete pipeline %s id %d\n", 3400 swidget->widget->name, swidget->comp_id); 3401 3402 memset(&ready, 0, sizeof(ready)); 3403 ready.hdr.size = sizeof(ready); 3404 ready.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_COMPLETE; 3405 ready.comp_id = swidget->comp_id; 3406 3407 ret = sof_ipc_tx_message(sdev->ipc, 3408 ready.hdr.cmd, &ready, sizeof(ready), &reply, 3409 sizeof(reply)); 3410 if (ret < 0) 3411 return ret; 3412 return 1; 3413 } 3414 3415 /** 3416 * sof_set_pipe_widget - Set pipe_widget for a component 3417 * @sdev: pointer to struct snd_sof_dev 3418 * @pipe_widget: pointer to struct snd_sof_widget of type snd_soc_dapm_scheduler 3419 * @swidget: pointer to struct snd_sof_widget that has the same pipeline ID as @pipe_widget 3420 * 3421 * Return: 0 if successful, -EINVAL on error. 3422 * The function checks if @swidget is associated with any volatile controls. If so, setting 3423 * the dynamic_pipeline_widget is disallowed. 3424 */ 3425 static int sof_set_pipe_widget(struct snd_sof_dev *sdev, struct snd_sof_widget *pipe_widget, 3426 struct snd_sof_widget *swidget) 3427 { 3428 struct snd_sof_control *scontrol; 3429 3430 if (pipe_widget->dynamic_pipeline_widget) { 3431 /* dynamic widgets cannot have volatile kcontrols */ 3432 list_for_each_entry(scontrol, &sdev->kcontrol_list, list) 3433 if (scontrol->comp_id == swidget->comp_id && 3434 (scontrol->access & SNDRV_CTL_ELEM_ACCESS_VOLATILE)) { 3435 dev_err(sdev->dev, 3436 "error: volatile control found for dynamic widget %s\n", 3437 swidget->widget->name); 3438 return -EINVAL; 3439 } 3440 } 3441 3442 /* set the pipe_widget and apply the dynamic_pipeline_widget_flag */ 3443 swidget->pipe_widget = pipe_widget; 3444 swidget->dynamic_pipeline_widget = pipe_widget->dynamic_pipeline_widget; 3445 3446 return 0; 3447 } 3448 3449 /* completion - called at completion of firmware loading */ 3450 static int sof_complete(struct snd_soc_component *scomp) 3451 { 3452 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 3453 struct snd_sof_widget *swidget, *comp_swidget; 3454 int ret; 3455 3456 /* set the pipe_widget and apply the dynamic_pipeline_widget_flag */ 3457 list_for_each_entry(swidget, &sdev->widget_list, list) { 3458 switch (swidget->id) { 3459 case snd_soc_dapm_scheduler: 3460 /* 3461 * Apply the dynamic_pipeline_widget flag and set the pipe_widget field 3462 * for all widgets that have the same pipeline ID as the scheduler widget 3463 */ 3464 list_for_each_entry_reverse(comp_swidget, &sdev->widget_list, list) 3465 if (comp_swidget->pipeline_id == swidget->pipeline_id) { 3466 ret = sof_set_pipe_widget(sdev, swidget, comp_swidget); 3467 if (ret < 0) 3468 return ret; 3469 } 3470 break; 3471 default: 3472 break; 3473 } 3474 } 3475 3476 /* verify topology components loading including dynamic pipelines */ 3477 if (sof_core_debug & SOF_DBG_VERIFY_TPLG) { 3478 ret = sof_set_up_pipelines(sdev, true); 3479 if (ret < 0) { 3480 dev_err(sdev->dev, "error: topology verification failed %d\n", ret); 3481 return ret; 3482 } 3483 3484 ret = sof_tear_down_pipelines(sdev, true); 3485 if (ret < 0) { 3486 dev_err(sdev->dev, "error: topology tear down pipelines failed %d\n", ret); 3487 return ret; 3488 } 3489 } 3490 3491 /* set up static pipelines */ 3492 return sof_set_up_pipelines(sdev, false); 3493 } 3494 3495 /* manifest - optional to inform component of manifest */ 3496 static int sof_manifest(struct snd_soc_component *scomp, int index, 3497 struct snd_soc_tplg_manifest *man) 3498 { 3499 u32 size; 3500 u32 abi_version; 3501 3502 size = le32_to_cpu(man->priv.size); 3503 3504 /* backward compatible with tplg without ABI info */ 3505 if (!size) { 3506 dev_dbg(scomp->dev, "No topology ABI info\n"); 3507 return 0; 3508 } 3509 3510 if (size != SOF_TPLG_ABI_SIZE) { 3511 dev_err(scomp->dev, "error: invalid topology ABI size\n"); 3512 return -EINVAL; 3513 } 3514 3515 dev_info(scomp->dev, 3516 "Topology: ABI %d:%d:%d Kernel ABI %d:%d:%d\n", 3517 man->priv.data[0], man->priv.data[1], 3518 man->priv.data[2], SOF_ABI_MAJOR, SOF_ABI_MINOR, 3519 SOF_ABI_PATCH); 3520 3521 abi_version = SOF_ABI_VER(man->priv.data[0], 3522 man->priv.data[1], 3523 man->priv.data[2]); 3524 3525 if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, abi_version)) { 3526 dev_err(scomp->dev, "error: incompatible topology ABI version\n"); 3527 return -EINVAL; 3528 } 3529 3530 if (SOF_ABI_VERSION_MINOR(abi_version) > SOF_ABI_MINOR) { 3531 if (!IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS)) { 3532 dev_warn(scomp->dev, "warn: topology ABI is more recent than kernel\n"); 3533 } else { 3534 dev_err(scomp->dev, "error: topology ABI is more recent than kernel\n"); 3535 return -EINVAL; 3536 } 3537 } 3538 3539 return 0; 3540 } 3541 3542 /* vendor specific kcontrol handlers available for binding */ 3543 static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = { 3544 {SOF_TPLG_KCTL_VOL_ID, snd_sof_volume_get, snd_sof_volume_put}, 3545 {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_get, snd_sof_bytes_put}, 3546 {SOF_TPLG_KCTL_ENUM_ID, snd_sof_enum_get, snd_sof_enum_put}, 3547 {SOF_TPLG_KCTL_SWITCH_ID, snd_sof_switch_get, snd_sof_switch_put}, 3548 }; 3549 3550 /* vendor specific bytes ext handlers available for binding */ 3551 static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = { 3552 {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_ext_get, snd_sof_bytes_ext_put}, 3553 {SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_bytes_ext_volatile_get}, 3554 }; 3555 3556 static struct snd_soc_tplg_ops sof_tplg_ops = { 3557 /* external kcontrol init - used for any driver specific init */ 3558 .control_load = sof_control_load, 3559 .control_unload = sof_control_unload, 3560 3561 /* external kcontrol init - used for any driver specific init */ 3562 .dapm_route_load = sof_route_load, 3563 .dapm_route_unload = sof_route_unload, 3564 3565 /* external widget init - used for any driver specific init */ 3566 /* .widget_load is not currently used */ 3567 .widget_ready = sof_widget_ready, 3568 .widget_unload = sof_widget_unload, 3569 3570 /* FE DAI - used for any driver specific init */ 3571 .dai_load = sof_dai_load, 3572 .dai_unload = sof_dai_unload, 3573 3574 /* DAI link - used for any driver specific init */ 3575 .link_load = sof_link_load, 3576 3577 /* completion - called at completion of firmware loading */ 3578 .complete = sof_complete, 3579 3580 /* manifest - optional to inform component of manifest */ 3581 .manifest = sof_manifest, 3582 3583 /* vendor specific kcontrol handlers available for binding */ 3584 .io_ops = sof_io_ops, 3585 .io_ops_count = ARRAY_SIZE(sof_io_ops), 3586 3587 /* vendor specific bytes ext handlers available for binding */ 3588 .bytes_ext_ops = sof_bytes_ext_ops, 3589 .bytes_ext_ops_count = ARRAY_SIZE(sof_bytes_ext_ops), 3590 }; 3591 3592 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file) 3593 { 3594 const struct firmware *fw; 3595 int ret; 3596 3597 dev_dbg(scomp->dev, "loading topology:%s\n", file); 3598 3599 ret = request_firmware(&fw, file, scomp->dev); 3600 if (ret < 0) { 3601 dev_err(scomp->dev, "error: tplg request firmware %s failed err: %d\n", 3602 file, ret); 3603 dev_err(scomp->dev, 3604 "you may need to download the firmware from https://github.com/thesofproject/sof-bin/\n"); 3605 return ret; 3606 } 3607 3608 ret = snd_soc_tplg_component_load(scomp, &sof_tplg_ops, fw); 3609 if (ret < 0) { 3610 dev_err(scomp->dev, "error: tplg component load failed %d\n", 3611 ret); 3612 ret = -EINVAL; 3613 } 3614 3615 release_firmware(fw); 3616 return ret; 3617 } 3618 EXPORT_SYMBOL(snd_sof_load_topology); 3619