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 <uapi/sound/sof/tokens.h> 18 #include "sof-priv.h" 19 #include "sof-audio.h" 20 #include "ops.h" 21 22 #define COMP_ID_UNASSIGNED 0xffffffff 23 /* 24 * Constants used in the computation of linear volume gain 25 * from dB gain 20th root of 10 in Q1.16 fixed-point notation 26 */ 27 #define VOL_TWENTIETH_ROOT_OF_TEN 73533 28 /* 40th root of 10 in Q1.16 fixed-point notation*/ 29 #define VOL_FORTIETH_ROOT_OF_TEN 69419 30 31 /* 0.5 dB step value in topology TLV */ 32 #define VOL_HALF_DB_STEP 50 33 34 /* TLV data items */ 35 #define TLV_MIN 0 36 #define TLV_STEP 1 37 #define TLV_MUTE 2 38 39 /** 40 * sof_update_ipc_object - Parse multiple sets of tokens within the token array associated with the 41 * token ID. 42 * @scomp: pointer to SOC component 43 * @object: target IPC struct to save the parsed values 44 * @token_id: token ID for the token array to be searched 45 * @tuples: pointer to the tuples array 46 * @num_tuples: number of tuples in the tuples array 47 * @object_size: size of the object 48 * @token_instance_num: number of times the same @token_id needs to be parsed i.e. the function 49 * looks for @token_instance_num of each token in the token array associated 50 * with the @token_id 51 */ 52 int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id, 53 struct snd_sof_tuple *tuples, int num_tuples, 54 size_t object_size, int token_instance_num) 55 { 56 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 57 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 58 const struct sof_token_info *token_list; 59 const struct sof_topology_token *tokens; 60 int i, j; 61 62 token_list = tplg_ops ? tplg_ops->token_list : NULL; 63 /* nothing to do if token_list is NULL */ 64 if (!token_list) 65 return 0; 66 67 if (token_list[token_id].count < 0) { 68 dev_err(scomp->dev, "Invalid token count for token ID: %d\n", token_id); 69 return -EINVAL; 70 } 71 72 /* No tokens to match */ 73 if (!token_list[token_id].count) 74 return 0; 75 76 tokens = token_list[token_id].tokens; 77 if (!tokens) { 78 dev_err(scomp->dev, "Invalid tokens for token id: %d\n", token_id); 79 return -EINVAL; 80 } 81 82 for (i = 0; i < token_list[token_id].count; i++) { 83 int offset = 0; 84 int num_tokens_matched = 0; 85 86 for (j = 0; j < num_tuples; j++) { 87 if (tokens[i].token == tuples[j].token) { 88 switch (tokens[i].type) { 89 case SND_SOC_TPLG_TUPLE_TYPE_WORD: 90 { 91 u32 *val = (u32 *)((u8 *)object + tokens[i].offset + 92 offset); 93 94 *val = tuples[j].value.v; 95 break; 96 } 97 case SND_SOC_TPLG_TUPLE_TYPE_SHORT: 98 case SND_SOC_TPLG_TUPLE_TYPE_BOOL: 99 { 100 u16 *val = (u16 *)((u8 *)object + tokens[i].offset + 101 offset); 102 103 *val = (u16)tuples[j].value.v; 104 break; 105 } 106 case SND_SOC_TPLG_TUPLE_TYPE_STRING: 107 { 108 if (!tokens[i].get_token) { 109 dev_err(scomp->dev, 110 "get_token not defined for token %d in %s\n", 111 tokens[i].token, token_list[token_id].name); 112 return -EINVAL; 113 } 114 115 tokens[i].get_token((void *)tuples[j].value.s, object, 116 tokens[i].offset + offset); 117 break; 118 } 119 default: 120 break; 121 } 122 123 num_tokens_matched++; 124 125 /* found all required sets of current token. Move to the next one */ 126 if (!(num_tokens_matched % token_instance_num)) 127 break; 128 129 /* move to the next object */ 130 offset += object_size; 131 } 132 } 133 } 134 135 return 0; 136 } 137 138 static inline int get_tlv_data(const int *p, int tlv[SOF_TLV_ITEMS]) 139 { 140 /* we only support dB scale TLV type at the moment */ 141 if ((int)p[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE) 142 return -EINVAL; 143 144 /* min value in topology tlv data is multiplied by 100 */ 145 tlv[TLV_MIN] = (int)p[SNDRV_CTL_TLVO_DB_SCALE_MIN] / 100; 146 147 /* volume steps */ 148 tlv[TLV_STEP] = (int)(p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] & 149 TLV_DB_SCALE_MASK); 150 151 /* mute ON/OFF */ 152 if ((p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] & 153 TLV_DB_SCALE_MUTE) == 0) 154 tlv[TLV_MUTE] = 0; 155 else 156 tlv[TLV_MUTE] = 1; 157 158 return 0; 159 } 160 161 /* 162 * Function to truncate an unsigned 64-bit number 163 * by x bits and return 32-bit unsigned number. This 164 * function also takes care of rounding while truncating 165 */ 166 static inline u32 vol_shift_64(u64 i, u32 x) 167 { 168 /* do not truncate more than 32 bits */ 169 if (x > 32) 170 x = 32; 171 172 if (x == 0) 173 return (u32)i; 174 175 return (u32)(((i >> (x - 1)) + 1) >> 1); 176 } 177 178 /* 179 * Function to compute a ^ exp where, 180 * a is a fractional number represented by a fixed-point 181 * integer with a fractional world length of "fwl" 182 * exp is an integer 183 * fwl is the fractional word length 184 * Return value is a fractional number represented by a 185 * fixed-point integer with a fractional word length of "fwl" 186 */ 187 static u32 vol_pow32(u32 a, int exp, u32 fwl) 188 { 189 int i, iter; 190 u32 power = 1 << fwl; 191 u64 numerator; 192 193 /* if exponent is 0, return 1 */ 194 if (exp == 0) 195 return power; 196 197 /* determine the number of iterations based on the exponent */ 198 if (exp < 0) 199 iter = exp * -1; 200 else 201 iter = exp; 202 203 /* mutiply a "iter" times to compute power */ 204 for (i = 0; i < iter; i++) { 205 /* 206 * Product of 2 Qx.fwl fixed-point numbers yields a Q2*x.2*fwl 207 * Truncate product back to fwl fractional bits with rounding 208 */ 209 power = vol_shift_64((u64)power * a, fwl); 210 } 211 212 if (exp > 0) { 213 /* if exp is positive, return the result */ 214 return power; 215 } 216 217 /* if exp is negative, return the multiplicative inverse */ 218 numerator = (u64)1 << (fwl << 1); 219 do_div(numerator, power); 220 221 return (u32)numerator; 222 } 223 224 /* 225 * Function to calculate volume gain from TLV data. 226 * This function can only handle gain steps that are multiples of 0.5 dB 227 */ 228 u32 vol_compute_gain(u32 value, int *tlv) 229 { 230 int dB_gain; 231 u32 linear_gain; 232 int f_step; 233 234 /* mute volume */ 235 if (value == 0 && tlv[TLV_MUTE]) 236 return 0; 237 238 /* 239 * compute dB gain from tlv. tlv_step 240 * in topology is multiplied by 100 241 */ 242 dB_gain = tlv[TLV_MIN] + (value * tlv[TLV_STEP]) / 100; 243 244 /* 245 * compute linear gain represented by fixed-point 246 * int with VOLUME_FWL fractional bits 247 */ 248 linear_gain = vol_pow32(VOL_TWENTIETH_ROOT_OF_TEN, dB_gain, VOLUME_FWL); 249 250 /* extract the fractional part of volume step */ 251 f_step = tlv[TLV_STEP] - (tlv[TLV_STEP] / 100); 252 253 /* if volume step is an odd multiple of 0.5 dB */ 254 if (f_step == VOL_HALF_DB_STEP && (value & 1)) 255 linear_gain = vol_shift_64((u64)linear_gain * 256 VOL_FORTIETH_ROOT_OF_TEN, 257 VOLUME_FWL); 258 259 return linear_gain; 260 } 261 262 /* 263 * Set up volume table for kcontrols from tlv data 264 * "size" specifies the number of entries in the table 265 */ 266 static int set_up_volume_table(struct snd_sof_control *scontrol, 267 int tlv[SOF_TLV_ITEMS], int size) 268 { 269 struct snd_soc_component *scomp = scontrol->scomp; 270 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 271 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 272 273 if (tplg_ops && tplg_ops->control && tplg_ops->control->set_up_volume_table) 274 return tplg_ops->control->set_up_volume_table(scontrol, tlv, size); 275 276 dev_err(scomp->dev, "Mandatory op %s not set\n", __func__); 277 return -EINVAL; 278 } 279 280 struct sof_dai_types { 281 const char *name; 282 enum sof_ipc_dai_type type; 283 }; 284 285 static const struct sof_dai_types sof_dais[] = { 286 {"SSP", SOF_DAI_INTEL_SSP}, 287 {"HDA", SOF_DAI_INTEL_HDA}, 288 {"DMIC", SOF_DAI_INTEL_DMIC}, 289 {"ALH", SOF_DAI_INTEL_ALH}, 290 {"SAI", SOF_DAI_IMX_SAI}, 291 {"ESAI", SOF_DAI_IMX_ESAI}, 292 {"ACP", SOF_DAI_AMD_BT}, 293 {"ACPSP", SOF_DAI_AMD_SP}, 294 {"ACPDMIC", SOF_DAI_AMD_DMIC}, 295 {"ACPHS", SOF_DAI_AMD_HS}, 296 {"AFE", SOF_DAI_MEDIATEK_AFE}, 297 {"ACPSP_VIRTUAL", SOF_DAI_AMD_SP_VIRTUAL}, 298 {"ACPHS_VIRTUAL", SOF_DAI_AMD_HS_VIRTUAL}, 299 300 }; 301 302 static enum sof_ipc_dai_type find_dai(const char *name) 303 { 304 int i; 305 306 for (i = 0; i < ARRAY_SIZE(sof_dais); i++) { 307 if (strcmp(name, sof_dais[i].name) == 0) 308 return sof_dais[i].type; 309 } 310 311 return SOF_DAI_INTEL_NONE; 312 } 313 314 /* 315 * Supported Frame format types and lookup, add new ones to end of list. 316 */ 317 318 struct sof_frame_types { 319 const char *name; 320 enum sof_ipc_frame frame; 321 }; 322 323 static const struct sof_frame_types sof_frames[] = { 324 {"s16le", SOF_IPC_FRAME_S16_LE}, 325 {"s24le", SOF_IPC_FRAME_S24_4LE}, 326 {"s32le", SOF_IPC_FRAME_S32_LE}, 327 {"float", SOF_IPC_FRAME_FLOAT}, 328 }; 329 330 static enum sof_ipc_frame find_format(const char *name) 331 { 332 int i; 333 334 for (i = 0; i < ARRAY_SIZE(sof_frames); i++) { 335 if (strcmp(name, sof_frames[i].name) == 0) 336 return sof_frames[i].frame; 337 } 338 339 /* use s32le if nothing is specified */ 340 return SOF_IPC_FRAME_S32_LE; 341 } 342 343 int get_token_u32(void *elem, void *object, u32 offset) 344 { 345 struct snd_soc_tplg_vendor_value_elem *velem = elem; 346 u32 *val = (u32 *)((u8 *)object + offset); 347 348 *val = le32_to_cpu(velem->value); 349 return 0; 350 } 351 352 int get_token_u16(void *elem, void *object, u32 offset) 353 { 354 struct snd_soc_tplg_vendor_value_elem *velem = elem; 355 u16 *val = (u16 *)((u8 *)object + offset); 356 357 *val = (u16)le32_to_cpu(velem->value); 358 return 0; 359 } 360 361 int get_token_uuid(void *elem, void *object, u32 offset) 362 { 363 struct snd_soc_tplg_vendor_uuid_elem *velem = elem; 364 u8 *dst = (u8 *)object + offset; 365 366 memcpy(dst, velem->uuid, UUID_SIZE); 367 368 return 0; 369 } 370 371 /* 372 * The string gets from topology will be stored in heap, the owner only 373 * holds a char* member point to the heap. 374 */ 375 int get_token_string(void *elem, void *object, u32 offset) 376 { 377 /* "dst" here points to the char* member of the owner */ 378 char **dst = (char **)((u8 *)object + offset); 379 380 *dst = kstrdup(elem, GFP_KERNEL); 381 if (!*dst) 382 return -ENOMEM; 383 return 0; 384 }; 385 386 int get_token_comp_format(void *elem, void *object, u32 offset) 387 { 388 u32 *val = (u32 *)((u8 *)object + offset); 389 390 *val = find_format((const char *)elem); 391 return 0; 392 } 393 394 int get_token_dai_type(void *elem, void *object, u32 offset) 395 { 396 u32 *val = (u32 *)((u8 *)object + offset); 397 398 *val = find_dai((const char *)elem); 399 return 0; 400 } 401 402 /* PCM */ 403 static const struct sof_topology_token stream_tokens[] = { 404 {SOF_TKN_STREAM_PLAYBACK_COMPATIBLE_D0I3, SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16, 405 offsetof(struct snd_sof_pcm, stream[0].d0i3_compatible)}, 406 {SOF_TKN_STREAM_CAPTURE_COMPATIBLE_D0I3, SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16, 407 offsetof(struct snd_sof_pcm, stream[1].d0i3_compatible)}, 408 }; 409 410 /* Leds */ 411 static const struct sof_topology_token led_tokens[] = { 412 {SOF_TKN_MUTE_LED_USE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 413 offsetof(struct snd_sof_led_control, use_led)}, 414 {SOF_TKN_MUTE_LED_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 415 offsetof(struct snd_sof_led_control, direction)}, 416 }; 417 418 static const struct sof_topology_token comp_pin_tokens[] = { 419 {SOF_TKN_COMP_NUM_SINK_PINS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 420 offsetof(struct snd_sof_widget, num_sink_pins)}, 421 {SOF_TKN_COMP_NUM_SOURCE_PINS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 422 offsetof(struct snd_sof_widget, num_source_pins)}, 423 }; 424 425 static const struct sof_topology_token comp_sink_pin_binding_tokens[] = { 426 {SOF_TKN_COMP_SINK_PIN_BINDING_WNAME, SND_SOC_TPLG_TUPLE_TYPE_STRING, 427 get_token_string, 0}, 428 }; 429 430 static const struct sof_topology_token comp_src_pin_binding_tokens[] = { 431 {SOF_TKN_COMP_SRC_PIN_BINDING_WNAME, SND_SOC_TPLG_TUPLE_TYPE_STRING, 432 get_token_string, 0}, 433 }; 434 435 /** 436 * sof_parse_uuid_tokens - Parse multiple sets of UUID tokens 437 * @scomp: pointer to soc component 438 * @object: target ipc struct for parsed values 439 * @offset: offset within the object pointer 440 * @tokens: array of struct sof_topology_token containing the tokens to be matched 441 * @num_tokens: number of tokens in tokens array 442 * @array: source pointer to consecutive vendor arrays in topology 443 * 444 * This function parses multiple sets of string type tokens in vendor arrays 445 */ 446 static int sof_parse_uuid_tokens(struct snd_soc_component *scomp, 447 void *object, size_t offset, 448 const struct sof_topology_token *tokens, int num_tokens, 449 struct snd_soc_tplg_vendor_array *array) 450 { 451 struct snd_soc_tplg_vendor_uuid_elem *elem; 452 int found = 0; 453 int i, j; 454 455 /* parse element by element */ 456 for (i = 0; i < le32_to_cpu(array->num_elems); i++) { 457 elem = &array->uuid[i]; 458 459 /* search for token */ 460 for (j = 0; j < num_tokens; j++) { 461 /* match token type */ 462 if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_UUID) 463 continue; 464 465 /* match token id */ 466 if (tokens[j].token != le32_to_cpu(elem->token)) 467 continue; 468 469 /* matched - now load token */ 470 tokens[j].get_token(elem, object, 471 offset + tokens[j].offset); 472 473 found++; 474 } 475 } 476 477 return found; 478 } 479 480 /** 481 * sof_copy_tuples - Parse tokens and copy them to the @tuples array 482 * @sdev: pointer to struct snd_sof_dev 483 * @array: source pointer to consecutive vendor arrays in topology 484 * @array_size: size of @array 485 * @token_id: Token ID associated with a token array 486 * @token_instance_num: number of times the same @token_id needs to be parsed i.e. the function 487 * looks for @token_instance_num of each token in the token array associated 488 * with the @token_id 489 * @tuples: tuples array to copy the matched tuples to 490 * @tuples_size: size of @tuples 491 * @num_copied_tuples: pointer to the number of copied tuples in the tuples array 492 * 493 */ 494 static int sof_copy_tuples(struct snd_sof_dev *sdev, struct snd_soc_tplg_vendor_array *array, 495 int array_size, u32 token_id, int token_instance_num, 496 struct snd_sof_tuple *tuples, int tuples_size, int *num_copied_tuples) 497 { 498 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 499 const struct sof_token_info *token_list; 500 const struct sof_topology_token *tokens; 501 int found = 0; 502 int num_tokens, asize; 503 int i, j; 504 505 token_list = tplg_ops ? tplg_ops->token_list : NULL; 506 /* nothing to do if token_list is NULL */ 507 if (!token_list) 508 return 0; 509 510 if (!tuples || !num_copied_tuples) { 511 dev_err(sdev->dev, "Invalid tuples array\n"); 512 return -EINVAL; 513 } 514 515 tokens = token_list[token_id].tokens; 516 num_tokens = token_list[token_id].count; 517 518 if (!tokens) { 519 dev_err(sdev->dev, "No token array defined for token ID: %d\n", token_id); 520 return -EINVAL; 521 } 522 523 /* check if there's space in the tuples array for new tokens */ 524 if (*num_copied_tuples >= tuples_size) { 525 dev_err(sdev->dev, "No space in tuples array for new tokens from %s", 526 token_list[token_id].name); 527 return -EINVAL; 528 } 529 530 while (array_size > 0 && found < num_tokens * token_instance_num) { 531 asize = le32_to_cpu(array->size); 532 533 /* validate asize */ 534 if (asize < 0) { 535 dev_err(sdev->dev, "Invalid array size 0x%x\n", asize); 536 return -EINVAL; 537 } 538 539 /* make sure there is enough data before parsing */ 540 array_size -= asize; 541 if (array_size < 0) { 542 dev_err(sdev->dev, "Invalid array size 0x%x\n", asize); 543 return -EINVAL; 544 } 545 546 /* parse element by element */ 547 for (i = 0; i < le32_to_cpu(array->num_elems); i++) { 548 /* search for token */ 549 for (j = 0; j < num_tokens; j++) { 550 /* match token type */ 551 if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD || 552 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT || 553 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE || 554 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL || 555 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_STRING)) 556 continue; 557 558 if (tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_STRING) { 559 struct snd_soc_tplg_vendor_string_elem *elem; 560 561 elem = &array->string[i]; 562 563 /* match token id */ 564 if (tokens[j].token != le32_to_cpu(elem->token)) 565 continue; 566 567 tuples[*num_copied_tuples].token = tokens[j].token; 568 tuples[*num_copied_tuples].value.s = elem->string; 569 } else { 570 struct snd_soc_tplg_vendor_value_elem *elem; 571 572 elem = &array->value[i]; 573 574 /* match token id */ 575 if (tokens[j].token != le32_to_cpu(elem->token)) 576 continue; 577 578 tuples[*num_copied_tuples].token = tokens[j].token; 579 tuples[*num_copied_tuples].value.v = 580 le32_to_cpu(elem->value); 581 } 582 found++; 583 (*num_copied_tuples)++; 584 585 /* stop if there's no space for any more new tuples */ 586 if (*num_copied_tuples == tuples_size) 587 return 0; 588 } 589 } 590 591 /* next array */ 592 array = (struct snd_soc_tplg_vendor_array *)((u8 *)array + asize); 593 } 594 595 return 0; 596 } 597 598 /** 599 * sof_parse_string_tokens - Parse multiple sets of tokens 600 * @scomp: pointer to soc component 601 * @object: target ipc struct for parsed values 602 * @offset: offset within the object pointer 603 * @tokens: array of struct sof_topology_token containing the tokens to be matched 604 * @num_tokens: number of tokens in tokens array 605 * @array: source pointer to consecutive vendor arrays in topology 606 * 607 * This function parses multiple sets of string type tokens in vendor arrays 608 */ 609 static int sof_parse_string_tokens(struct snd_soc_component *scomp, 610 void *object, int offset, 611 const struct sof_topology_token *tokens, int num_tokens, 612 struct snd_soc_tplg_vendor_array *array) 613 { 614 struct snd_soc_tplg_vendor_string_elem *elem; 615 int found = 0; 616 int i, j, ret; 617 618 /* parse element by element */ 619 for (i = 0; i < le32_to_cpu(array->num_elems); i++) { 620 elem = &array->string[i]; 621 622 /* search for token */ 623 for (j = 0; j < num_tokens; j++) { 624 /* match token type */ 625 if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_STRING) 626 continue; 627 628 /* match token id */ 629 if (tokens[j].token != le32_to_cpu(elem->token)) 630 continue; 631 632 /* matched - now load token */ 633 ret = tokens[j].get_token(elem->string, object, offset + tokens[j].offset); 634 if (ret < 0) 635 return ret; 636 637 found++; 638 } 639 } 640 641 return found; 642 } 643 644 /** 645 * sof_parse_word_tokens - Parse multiple sets of tokens 646 * @scomp: pointer to soc component 647 * @object: target ipc struct for parsed values 648 * @offset: offset within the object pointer 649 * @tokens: array of struct sof_topology_token containing the tokens to be matched 650 * @num_tokens: number of tokens in tokens array 651 * @array: source pointer to consecutive vendor arrays in topology 652 * 653 * This function parses multiple sets of word type tokens in vendor arrays 654 */ 655 static int sof_parse_word_tokens(struct snd_soc_component *scomp, 656 void *object, int offset, 657 const struct sof_topology_token *tokens, int num_tokens, 658 struct snd_soc_tplg_vendor_array *array) 659 { 660 struct snd_soc_tplg_vendor_value_elem *elem; 661 int found = 0; 662 int i, j; 663 664 /* parse element by element */ 665 for (i = 0; i < le32_to_cpu(array->num_elems); i++) { 666 elem = &array->value[i]; 667 668 /* search for token */ 669 for (j = 0; j < num_tokens; j++) { 670 /* match token type */ 671 if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD || 672 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT || 673 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE || 674 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL)) 675 continue; 676 677 /* match token id */ 678 if (tokens[j].token != le32_to_cpu(elem->token)) 679 continue; 680 681 /* load token */ 682 tokens[j].get_token(elem, object, offset + tokens[j].offset); 683 684 found++; 685 } 686 } 687 688 return found; 689 } 690 691 /** 692 * sof_parse_token_sets - Parse multiple sets of tokens 693 * @scomp: pointer to soc component 694 * @object: target ipc struct for parsed values 695 * @tokens: token definition array describing what tokens to parse 696 * @count: number of tokens in definition array 697 * @array: source pointer to consecutive vendor arrays in topology 698 * @array_size: total size of @array 699 * @token_instance_num: number of times the same tokens needs to be parsed i.e. the function 700 * looks for @token_instance_num of each token in the @tokens 701 * @object_size: offset to next target ipc struct with multiple sets 702 * 703 * This function parses multiple sets of tokens in vendor arrays into 704 * consecutive ipc structs. 705 */ 706 static int sof_parse_token_sets(struct snd_soc_component *scomp, 707 void *object, const struct sof_topology_token *tokens, 708 int count, struct snd_soc_tplg_vendor_array *array, 709 int array_size, int token_instance_num, size_t object_size) 710 { 711 size_t offset = 0; 712 int found = 0; 713 int total = 0; 714 int asize; 715 int ret; 716 717 while (array_size > 0 && total < count * token_instance_num) { 718 asize = le32_to_cpu(array->size); 719 720 /* validate asize */ 721 if (asize < 0) { /* FIXME: A zero-size array makes no sense */ 722 dev_err(scomp->dev, "error: invalid array size 0x%x\n", 723 asize); 724 return -EINVAL; 725 } 726 727 /* make sure there is enough data before parsing */ 728 array_size -= asize; 729 if (array_size < 0) { 730 dev_err(scomp->dev, "error: invalid array size 0x%x\n", 731 asize); 732 return -EINVAL; 733 } 734 735 /* call correct parser depending on type */ 736 switch (le32_to_cpu(array->type)) { 737 case SND_SOC_TPLG_TUPLE_TYPE_UUID: 738 found += sof_parse_uuid_tokens(scomp, object, offset, tokens, count, 739 array); 740 break; 741 case SND_SOC_TPLG_TUPLE_TYPE_STRING: 742 743 ret = sof_parse_string_tokens(scomp, object, offset, tokens, count, 744 array); 745 if (ret < 0) { 746 dev_err(scomp->dev, "error: no memory to copy string token\n"); 747 return ret; 748 } 749 750 found += ret; 751 break; 752 case SND_SOC_TPLG_TUPLE_TYPE_BOOL: 753 case SND_SOC_TPLG_TUPLE_TYPE_BYTE: 754 case SND_SOC_TPLG_TUPLE_TYPE_WORD: 755 case SND_SOC_TPLG_TUPLE_TYPE_SHORT: 756 found += sof_parse_word_tokens(scomp, object, offset, tokens, count, 757 array); 758 break; 759 default: 760 dev_err(scomp->dev, "error: unknown token type %d\n", 761 array->type); 762 return -EINVAL; 763 } 764 765 /* next array */ 766 array = (struct snd_soc_tplg_vendor_array *)((u8 *)array 767 + asize); 768 769 /* move to next target struct */ 770 if (found >= count) { 771 offset += object_size; 772 total += found; 773 found = 0; 774 } 775 } 776 777 return 0; 778 } 779 780 /** 781 * sof_parse_tokens - Parse one set of tokens 782 * @scomp: pointer to soc component 783 * @object: target ipc struct for parsed values 784 * @tokens: token definition array describing what tokens to parse 785 * @num_tokens: number of tokens in definition array 786 * @array: source pointer to consecutive vendor arrays in topology 787 * @array_size: total size of @array 788 * 789 * This function parses a single set of tokens in vendor arrays into 790 * consecutive ipc structs. 791 */ 792 static int sof_parse_tokens(struct snd_soc_component *scomp, void *object, 793 const struct sof_topology_token *tokens, int num_tokens, 794 struct snd_soc_tplg_vendor_array *array, 795 int array_size) 796 797 { 798 /* 799 * sof_parse_tokens is used when topology contains only a single set of 800 * identical tuples arrays. So additional parameters to 801 * sof_parse_token_sets are sets = 1 (only 1 set) and 802 * object_size = 0 (irrelevant). 803 */ 804 return sof_parse_token_sets(scomp, object, tokens, num_tokens, array, 805 array_size, 1, 0); 806 } 807 808 /* 809 * Standard Kcontrols. 810 */ 811 812 static int sof_control_load_volume(struct snd_soc_component *scomp, 813 struct snd_sof_control *scontrol, 814 struct snd_kcontrol_new *kc, 815 struct snd_soc_tplg_ctl_hdr *hdr) 816 { 817 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 818 struct snd_soc_tplg_mixer_control *mc = 819 container_of(hdr, struct snd_soc_tplg_mixer_control, hdr); 820 int tlv[SOF_TLV_ITEMS]; 821 unsigned int mask; 822 int ret; 823 824 /* validate topology data */ 825 if (le32_to_cpu(mc->num_channels) > SND_SOC_TPLG_MAX_CHAN) 826 return -EINVAL; 827 828 /* 829 * If control has more than 2 channels we need to override the info. This is because even if 830 * ASoC layer has defined topology's max channel count to SND_SOC_TPLG_MAX_CHAN = 8, the 831 * pre-defined dapm control types (and related functions) creating the actual control 832 * restrict the channels only to mono or stereo. 833 */ 834 if (le32_to_cpu(mc->num_channels) > 2) 835 kc->info = snd_sof_volume_info; 836 837 scontrol->comp_id = sdev->next_comp_id; 838 scontrol->min_volume_step = le32_to_cpu(mc->min); 839 scontrol->max_volume_step = le32_to_cpu(mc->max); 840 scontrol->num_channels = le32_to_cpu(mc->num_channels); 841 842 scontrol->max = le32_to_cpu(mc->max); 843 if (le32_to_cpu(mc->max) == 1) 844 goto skip; 845 846 /* extract tlv data */ 847 if (!kc->tlv.p || get_tlv_data(kc->tlv.p, tlv) < 0) { 848 dev_err(scomp->dev, "error: invalid TLV data\n"); 849 return -EINVAL; 850 } 851 852 /* set up volume table */ 853 ret = set_up_volume_table(scontrol, tlv, le32_to_cpu(mc->max) + 1); 854 if (ret < 0) { 855 dev_err(scomp->dev, "error: setting up volume table\n"); 856 return ret; 857 } 858 859 skip: 860 /* set up possible led control from mixer private data */ 861 ret = sof_parse_tokens(scomp, &scontrol->led_ctl, led_tokens, 862 ARRAY_SIZE(led_tokens), mc->priv.array, 863 le32_to_cpu(mc->priv.size)); 864 if (ret != 0) { 865 dev_err(scomp->dev, "error: parse led tokens failed %d\n", 866 le32_to_cpu(mc->priv.size)); 867 goto err; 868 } 869 870 if (scontrol->led_ctl.use_led) { 871 mask = scontrol->led_ctl.direction ? SNDRV_CTL_ELEM_ACCESS_MIC_LED : 872 SNDRV_CTL_ELEM_ACCESS_SPK_LED; 873 scontrol->access &= ~SNDRV_CTL_ELEM_ACCESS_LED_MASK; 874 scontrol->access |= mask; 875 kc->access &= ~SNDRV_CTL_ELEM_ACCESS_LED_MASK; 876 kc->access |= mask; 877 sdev->led_present = true; 878 } 879 880 dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n", 881 scontrol->comp_id, scontrol->num_channels); 882 883 return 0; 884 885 err: 886 if (le32_to_cpu(mc->max) > 1) 887 kfree(scontrol->volume_table); 888 889 return ret; 890 } 891 892 static int sof_control_load_enum(struct snd_soc_component *scomp, 893 struct snd_sof_control *scontrol, 894 struct snd_kcontrol_new *kc, 895 struct snd_soc_tplg_ctl_hdr *hdr) 896 { 897 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 898 struct snd_soc_tplg_enum_control *ec = 899 container_of(hdr, struct snd_soc_tplg_enum_control, hdr); 900 901 /* validate topology data */ 902 if (le32_to_cpu(ec->num_channels) > SND_SOC_TPLG_MAX_CHAN) 903 return -EINVAL; 904 905 scontrol->comp_id = sdev->next_comp_id; 906 scontrol->num_channels = le32_to_cpu(ec->num_channels); 907 908 dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n", 909 scontrol->comp_id, scontrol->num_channels, scontrol->comp_id); 910 911 return 0; 912 } 913 914 static int sof_control_load_bytes(struct snd_soc_component *scomp, 915 struct snd_sof_control *scontrol, 916 struct snd_kcontrol_new *kc, 917 struct snd_soc_tplg_ctl_hdr *hdr) 918 { 919 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 920 struct snd_soc_tplg_bytes_control *control = 921 container_of(hdr, struct snd_soc_tplg_bytes_control, hdr); 922 struct soc_bytes_ext *sbe = (struct soc_bytes_ext *)kc->private_value; 923 size_t priv_size = le32_to_cpu(control->priv.size); 924 925 scontrol->max_size = sbe->max; 926 scontrol->comp_id = sdev->next_comp_id; 927 928 dev_dbg(scomp->dev, "tplg: load kcontrol index %d\n", scontrol->comp_id); 929 930 /* copy the private data */ 931 if (priv_size > 0) { 932 scontrol->priv = kmemdup(control->priv.data, priv_size, GFP_KERNEL); 933 if (!scontrol->priv) 934 return -ENOMEM; 935 936 scontrol->priv_size = priv_size; 937 } 938 939 return 0; 940 } 941 942 /* external kcontrol init - used for any driver specific init */ 943 static int sof_control_load(struct snd_soc_component *scomp, int index, 944 struct snd_kcontrol_new *kc, 945 struct snd_soc_tplg_ctl_hdr *hdr) 946 { 947 struct soc_mixer_control *sm; 948 struct soc_bytes_ext *sbe; 949 struct soc_enum *se; 950 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 951 struct snd_soc_dobj *dobj; 952 struct snd_sof_control *scontrol; 953 int ret; 954 955 dev_dbg(scomp->dev, "tplg: load control type %d name : %s\n", 956 hdr->type, hdr->name); 957 958 scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL); 959 if (!scontrol) 960 return -ENOMEM; 961 962 scontrol->name = kstrdup(hdr->name, GFP_KERNEL); 963 if (!scontrol->name) { 964 kfree(scontrol); 965 return -ENOMEM; 966 } 967 968 scontrol->scomp = scomp; 969 scontrol->access = kc->access; 970 scontrol->info_type = le32_to_cpu(hdr->ops.info); 971 scontrol->index = kc->index; 972 973 switch (le32_to_cpu(hdr->ops.info)) { 974 case SND_SOC_TPLG_CTL_VOLSW: 975 case SND_SOC_TPLG_CTL_VOLSW_SX: 976 case SND_SOC_TPLG_CTL_VOLSW_XR_SX: 977 sm = (struct soc_mixer_control *)kc->private_value; 978 dobj = &sm->dobj; 979 ret = sof_control_load_volume(scomp, scontrol, kc, hdr); 980 break; 981 case SND_SOC_TPLG_CTL_BYTES: 982 sbe = (struct soc_bytes_ext *)kc->private_value; 983 dobj = &sbe->dobj; 984 ret = sof_control_load_bytes(scomp, scontrol, kc, hdr); 985 break; 986 case SND_SOC_TPLG_CTL_ENUM: 987 case SND_SOC_TPLG_CTL_ENUM_VALUE: 988 se = (struct soc_enum *)kc->private_value; 989 dobj = &se->dobj; 990 ret = sof_control_load_enum(scomp, scontrol, kc, hdr); 991 break; 992 case SND_SOC_TPLG_CTL_RANGE: 993 case SND_SOC_TPLG_CTL_STROBE: 994 case SND_SOC_TPLG_DAPM_CTL_VOLSW: 995 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: 996 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: 997 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: 998 case SND_SOC_TPLG_DAPM_CTL_PIN: 999 default: 1000 dev_warn(scomp->dev, "control type not supported %d:%d:%d\n", 1001 hdr->ops.get, hdr->ops.put, hdr->ops.info); 1002 kfree(scontrol->name); 1003 kfree(scontrol); 1004 return 0; 1005 } 1006 1007 if (ret < 0) { 1008 kfree(scontrol->name); 1009 kfree(scontrol); 1010 return ret; 1011 } 1012 1013 scontrol->led_ctl.led_value = -1; 1014 1015 dobj->private = scontrol; 1016 list_add(&scontrol->list, &sdev->kcontrol_list); 1017 return 0; 1018 } 1019 1020 static int sof_control_unload(struct snd_soc_component *scomp, 1021 struct snd_soc_dobj *dobj) 1022 { 1023 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1024 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 1025 struct snd_sof_control *scontrol = dobj->private; 1026 int ret = 0; 1027 1028 dev_dbg(scomp->dev, "tplg: unload control name : %s\n", scontrol->name); 1029 1030 if (tplg_ops && tplg_ops->control_free) { 1031 ret = tplg_ops->control_free(sdev, scontrol); 1032 if (ret < 0) 1033 dev_err(scomp->dev, "failed to free control: %s\n", scontrol->name); 1034 } 1035 1036 /* free all data before returning in case of error too */ 1037 kfree(scontrol->ipc_control_data); 1038 kfree(scontrol->priv); 1039 kfree(scontrol->name); 1040 list_del(&scontrol->list); 1041 kfree(scontrol); 1042 1043 return ret; 1044 } 1045 1046 /* 1047 * DAI Topology 1048 */ 1049 1050 static int sof_connect_dai_widget(struct snd_soc_component *scomp, 1051 struct snd_soc_dapm_widget *w, 1052 struct snd_soc_tplg_dapm_widget *tw, 1053 struct snd_sof_dai *dai) 1054 { 1055 struct snd_soc_card *card = scomp->card; 1056 struct snd_soc_pcm_runtime *rtd; 1057 struct snd_soc_dai *cpu_dai; 1058 int stream; 1059 int i; 1060 1061 if (!w->sname) { 1062 dev_err(scomp->dev, "Widget %s does not have stream\n", w->name); 1063 return -EINVAL; 1064 } 1065 1066 if (w->id == snd_soc_dapm_dai_out) 1067 stream = SNDRV_PCM_STREAM_CAPTURE; 1068 else if (w->id == snd_soc_dapm_dai_in) 1069 stream = SNDRV_PCM_STREAM_PLAYBACK; 1070 else 1071 goto end; 1072 1073 list_for_each_entry(rtd, &card->rtd_list, list) { 1074 /* does stream match DAI link ? */ 1075 if (!rtd->dai_link->stream_name || 1076 strcmp(w->sname, rtd->dai_link->stream_name)) 1077 continue; 1078 1079 for_each_rtd_cpu_dais(rtd, i, cpu_dai) { 1080 /* 1081 * Please create DAI widget in the right order 1082 * to ensure BE will connect to the right DAI 1083 * widget. 1084 */ 1085 if (!snd_soc_dai_get_widget(cpu_dai, stream)) { 1086 snd_soc_dai_set_widget(cpu_dai, stream, w); 1087 break; 1088 } 1089 } 1090 if (i == rtd->dai_link->num_cpus) { 1091 dev_err(scomp->dev, "error: can't find BE for DAI %s\n", w->name); 1092 1093 return -EINVAL; 1094 } 1095 1096 dai->name = rtd->dai_link->name; 1097 dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n", 1098 w->name, rtd->dai_link->name); 1099 } 1100 end: 1101 /* check we have a connection */ 1102 if (!dai->name) { 1103 dev_err(scomp->dev, "error: can't connect DAI %s stream %s\n", 1104 w->name, w->sname); 1105 return -EINVAL; 1106 } 1107 1108 return 0; 1109 } 1110 1111 static void sof_disconnect_dai_widget(struct snd_soc_component *scomp, 1112 struct snd_soc_dapm_widget *w) 1113 { 1114 struct snd_soc_card *card = scomp->card; 1115 struct snd_soc_pcm_runtime *rtd; 1116 struct snd_soc_dai *cpu_dai; 1117 int i, stream; 1118 1119 if (!w->sname) 1120 return; 1121 1122 if (w->id == snd_soc_dapm_dai_out) 1123 stream = SNDRV_PCM_STREAM_CAPTURE; 1124 else if (w->id == snd_soc_dapm_dai_in) 1125 stream = SNDRV_PCM_STREAM_PLAYBACK; 1126 else 1127 return; 1128 1129 list_for_each_entry(rtd, &card->rtd_list, list) { 1130 /* does stream match DAI link ? */ 1131 if (!rtd->dai_link->stream_name || 1132 strcmp(w->sname, rtd->dai_link->stream_name)) 1133 continue; 1134 1135 for_each_rtd_cpu_dais(rtd, i, cpu_dai) 1136 if (snd_soc_dai_get_widget(cpu_dai, stream) == w) { 1137 snd_soc_dai_set_widget(cpu_dai, stream, NULL); 1138 break; 1139 } 1140 } 1141 } 1142 1143 /* bind PCM ID to host component ID */ 1144 static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm, 1145 int dir) 1146 { 1147 struct snd_sof_widget *host_widget; 1148 1149 host_widget = snd_sof_find_swidget_sname(scomp, 1150 spcm->pcm.caps[dir].name, 1151 dir); 1152 if (!host_widget) { 1153 dev_err(scomp->dev, "can't find host comp to bind pcm\n"); 1154 return -EINVAL; 1155 } 1156 1157 spcm->stream[dir].comp_id = host_widget->comp_id; 1158 1159 return 0; 1160 } 1161 1162 static int sof_get_token_value(u32 token_id, struct snd_sof_tuple *tuples, int num_tuples) 1163 { 1164 int i; 1165 1166 if (!tuples) 1167 return -EINVAL; 1168 1169 for (i = 0; i < num_tuples; i++) { 1170 if (tuples[i].token == token_id) 1171 return tuples[i].value.v; 1172 } 1173 1174 return -EINVAL; 1175 } 1176 1177 static int sof_widget_parse_tokens(struct snd_soc_component *scomp, struct snd_sof_widget *swidget, 1178 struct snd_soc_tplg_dapm_widget *tw, 1179 enum sof_tokens *object_token_list, int count) 1180 { 1181 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1182 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 1183 struct snd_soc_tplg_private *private = &tw->priv; 1184 const struct sof_token_info *token_list; 1185 int num_tuples = 0; 1186 int ret, i; 1187 1188 token_list = tplg_ops ? tplg_ops->token_list : NULL; 1189 /* nothing to do if token_list is NULL */ 1190 if (!token_list) 1191 return 0; 1192 1193 if (count > 0 && !object_token_list) { 1194 dev_err(scomp->dev, "No token list for widget %s\n", swidget->widget->name); 1195 return -EINVAL; 1196 } 1197 1198 /* calculate max size of tuples array */ 1199 for (i = 0; i < count; i++) 1200 num_tuples += token_list[object_token_list[i]].count; 1201 1202 /* allocate memory for tuples array */ 1203 swidget->tuples = kcalloc(num_tuples, sizeof(*swidget->tuples), GFP_KERNEL); 1204 if (!swidget->tuples) 1205 return -ENOMEM; 1206 1207 /* parse token list for widget */ 1208 for (i = 0; i < count; i++) { 1209 int num_sets = 1; 1210 1211 if (object_token_list[i] >= SOF_TOKEN_COUNT) { 1212 dev_err(scomp->dev, "Invalid token id %d for widget %s\n", 1213 object_token_list[i], swidget->widget->name); 1214 ret = -EINVAL; 1215 goto err; 1216 } 1217 1218 switch (object_token_list[i]) { 1219 case SOF_COMP_EXT_TOKENS: 1220 /* parse and save UUID in swidget */ 1221 ret = sof_parse_tokens(scomp, swidget, 1222 token_list[object_token_list[i]].tokens, 1223 token_list[object_token_list[i]].count, 1224 private->array, le32_to_cpu(private->size)); 1225 if (ret < 0) { 1226 dev_err(scomp->dev, "Failed parsing %s for widget %s\n", 1227 token_list[object_token_list[i]].name, 1228 swidget->widget->name); 1229 goto err; 1230 } 1231 1232 continue; 1233 case SOF_IN_AUDIO_FORMAT_TOKENS: 1234 case SOF_OUT_AUDIO_FORMAT_TOKENS: 1235 case SOF_COPIER_GATEWAY_CFG_TOKENS: 1236 case SOF_AUDIO_FORMAT_BUFFER_SIZE_TOKENS: 1237 num_sets = sof_get_token_value(SOF_TKN_COMP_NUM_AUDIO_FORMATS, 1238 swidget->tuples, swidget->num_tuples); 1239 1240 if (num_sets < 0) { 1241 dev_err(sdev->dev, "Invalid audio format count for %s\n", 1242 swidget->widget->name); 1243 ret = num_sets; 1244 goto err; 1245 } 1246 1247 if (num_sets > 1) { 1248 struct snd_sof_tuple *new_tuples; 1249 1250 num_tuples += token_list[object_token_list[i]].count * num_sets; 1251 new_tuples = krealloc(swidget->tuples, 1252 sizeof(*new_tuples) * num_tuples, GFP_KERNEL); 1253 if (!new_tuples) { 1254 ret = -ENOMEM; 1255 goto err; 1256 } 1257 1258 swidget->tuples = new_tuples; 1259 } 1260 break; 1261 default: 1262 break; 1263 } 1264 1265 /* copy one set of tuples per token ID into swidget->tuples */ 1266 ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size), 1267 object_token_list[i], num_sets, swidget->tuples, 1268 num_tuples, &swidget->num_tuples); 1269 if (ret < 0) { 1270 dev_err(scomp->dev, "Failed parsing %s for widget %s err: %d\n", 1271 token_list[object_token_list[i]].name, swidget->widget->name, ret); 1272 goto err; 1273 } 1274 } 1275 1276 return 0; 1277 err: 1278 kfree(swidget->tuples); 1279 return ret; 1280 } 1281 1282 static void sof_free_pin_binding(struct snd_sof_widget *swidget, 1283 bool pin_type) 1284 { 1285 char **pin_binding; 1286 u32 num_pins; 1287 int i; 1288 1289 if (pin_type == SOF_PIN_TYPE_SINK) { 1290 pin_binding = swidget->sink_pin_binding; 1291 num_pins = swidget->num_sink_pins; 1292 } else { 1293 pin_binding = swidget->src_pin_binding; 1294 num_pins = swidget->num_source_pins; 1295 } 1296 1297 if (pin_binding) { 1298 for (i = 0; i < num_pins; i++) 1299 kfree(pin_binding[i]); 1300 } 1301 1302 kfree(pin_binding); 1303 } 1304 1305 static int sof_parse_pin_binding(struct snd_sof_widget *swidget, 1306 struct snd_soc_tplg_private *priv, bool pin_type) 1307 { 1308 const struct sof_topology_token *pin_binding_token; 1309 char *pin_binding[SOF_WIDGET_MAX_NUM_PINS]; 1310 int token_count; 1311 u32 num_pins; 1312 char **pb; 1313 int ret; 1314 int i; 1315 1316 if (pin_type == SOF_PIN_TYPE_SINK) { 1317 num_pins = swidget->num_sink_pins; 1318 pin_binding_token = comp_sink_pin_binding_tokens; 1319 token_count = ARRAY_SIZE(comp_sink_pin_binding_tokens); 1320 } else { 1321 num_pins = swidget->num_source_pins; 1322 pin_binding_token = comp_src_pin_binding_tokens; 1323 token_count = ARRAY_SIZE(comp_src_pin_binding_tokens); 1324 } 1325 1326 memset(pin_binding, 0, SOF_WIDGET_MAX_NUM_PINS * sizeof(char *)); 1327 ret = sof_parse_token_sets(swidget->scomp, pin_binding, pin_binding_token, 1328 token_count, priv->array, le32_to_cpu(priv->size), 1329 num_pins, sizeof(char *)); 1330 if (ret < 0) 1331 goto err; 1332 1333 /* copy pin binding array to swidget only if it is defined in topology */ 1334 if (pin_binding[0]) { 1335 pb = kmemdup(pin_binding, num_pins * sizeof(char *), GFP_KERNEL); 1336 if (!pb) { 1337 ret = -ENOMEM; 1338 goto err; 1339 } 1340 if (pin_type == SOF_PIN_TYPE_SINK) 1341 swidget->sink_pin_binding = pb; 1342 else 1343 swidget->src_pin_binding = pb; 1344 } 1345 1346 return 0; 1347 1348 err: 1349 for (i = 0; i < num_pins; i++) 1350 kfree(pin_binding[i]); 1351 1352 return ret; 1353 } 1354 1355 /* external widget init - used for any driver specific init */ 1356 static int sof_widget_ready(struct snd_soc_component *scomp, int index, 1357 struct snd_soc_dapm_widget *w, 1358 struct snd_soc_tplg_dapm_widget *tw) 1359 { 1360 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1361 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 1362 const struct sof_ipc_tplg_widget_ops *widget_ops; 1363 struct snd_soc_tplg_private *priv = &tw->priv; 1364 enum sof_tokens *token_list = NULL; 1365 struct snd_sof_widget *swidget; 1366 struct snd_sof_dai *dai; 1367 int token_list_size = 0; 1368 int ret = 0; 1369 1370 swidget = kzalloc(sizeof(*swidget), GFP_KERNEL); 1371 if (!swidget) 1372 return -ENOMEM; 1373 1374 swidget->scomp = scomp; 1375 swidget->widget = w; 1376 swidget->comp_id = sdev->next_comp_id++; 1377 swidget->id = w->id; 1378 swidget->pipeline_id = index; 1379 swidget->private = NULL; 1380 mutex_init(&swidget->setup_mutex); 1381 1382 ida_init(&swidget->src_queue_ida); 1383 ida_init(&swidget->sink_queue_ida); 1384 1385 ret = sof_parse_tokens(scomp, swidget, comp_pin_tokens, 1386 ARRAY_SIZE(comp_pin_tokens), priv->array, 1387 le32_to_cpu(priv->size)); 1388 if (ret < 0) { 1389 dev_err(scomp->dev, "failed to parse component pin tokens for %s\n", 1390 w->name); 1391 return ret; 1392 } 1393 1394 if (swidget->num_sink_pins > SOF_WIDGET_MAX_NUM_PINS || 1395 swidget->num_source_pins > SOF_WIDGET_MAX_NUM_PINS) { 1396 dev_err(scomp->dev, "invalid pins for %s: [sink: %d, src: %d]\n", 1397 swidget->widget->name, swidget->num_sink_pins, swidget->num_source_pins); 1398 return -EINVAL; 1399 } 1400 1401 if (swidget->num_sink_pins > 1) { 1402 ret = sof_parse_pin_binding(swidget, priv, SOF_PIN_TYPE_SINK); 1403 /* on parsing error, pin binding is not allocated, nothing to free. */ 1404 if (ret < 0) { 1405 dev_err(scomp->dev, "failed to parse sink pin binding for %s\n", 1406 w->name); 1407 return ret; 1408 } 1409 } 1410 1411 if (swidget->num_source_pins > 1) { 1412 ret = sof_parse_pin_binding(swidget, priv, SOF_PIN_TYPE_SOURCE); 1413 /* on parsing error, pin binding is not allocated, nothing to free. */ 1414 if (ret < 0) { 1415 dev_err(scomp->dev, "failed to parse source pin binding for %s\n", 1416 w->name); 1417 return ret; 1418 } 1419 } 1420 1421 dev_dbg(scomp->dev, 1422 "tplg: widget %d (%s) is ready [type: %d, pipe: %d, pins: %d / %d, stream: %s]\n", 1423 swidget->comp_id, w->name, swidget->id, index, 1424 swidget->num_sink_pins, swidget->num_source_pins, 1425 strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0 ? w->sname : "none"); 1426 1427 widget_ops = tplg_ops ? tplg_ops->widget : NULL; 1428 if (widget_ops) { 1429 token_list = widget_ops[w->id].token_list; 1430 token_list_size = widget_ops[w->id].token_list_size; 1431 } 1432 1433 /* handle any special case widgets */ 1434 switch (w->id) { 1435 case snd_soc_dapm_dai_in: 1436 case snd_soc_dapm_dai_out: 1437 dai = kzalloc(sizeof(*dai), GFP_KERNEL); 1438 if (!dai) { 1439 kfree(swidget); 1440 return -ENOMEM; 1441 1442 } 1443 1444 ret = sof_widget_parse_tokens(scomp, swidget, tw, token_list, token_list_size); 1445 if (!ret) 1446 ret = sof_connect_dai_widget(scomp, w, tw, dai); 1447 if (ret < 0) { 1448 kfree(dai); 1449 break; 1450 } 1451 list_add(&dai->list, &sdev->dai_list); 1452 swidget->private = dai; 1453 break; 1454 case snd_soc_dapm_effect: 1455 /* check we have some tokens - we need at least process type */ 1456 if (le32_to_cpu(tw->priv.size) == 0) { 1457 dev_err(scomp->dev, "error: process tokens not found\n"); 1458 ret = -EINVAL; 1459 break; 1460 } 1461 ret = sof_widget_parse_tokens(scomp, swidget, tw, token_list, token_list_size); 1462 break; 1463 case snd_soc_dapm_pga: 1464 if (!le32_to_cpu(tw->num_kcontrols)) { 1465 dev_err(scomp->dev, "invalid kcontrol count %d for volume\n", 1466 tw->num_kcontrols); 1467 ret = -EINVAL; 1468 break; 1469 } 1470 1471 fallthrough; 1472 case snd_soc_dapm_mixer: 1473 case snd_soc_dapm_buffer: 1474 case snd_soc_dapm_scheduler: 1475 case snd_soc_dapm_aif_out: 1476 case snd_soc_dapm_aif_in: 1477 case snd_soc_dapm_src: 1478 case snd_soc_dapm_asrc: 1479 case snd_soc_dapm_siggen: 1480 case snd_soc_dapm_mux: 1481 case snd_soc_dapm_demux: 1482 ret = sof_widget_parse_tokens(scomp, swidget, tw, token_list, token_list_size); 1483 break; 1484 case snd_soc_dapm_switch: 1485 case snd_soc_dapm_dai_link: 1486 case snd_soc_dapm_kcontrol: 1487 default: 1488 dev_dbg(scomp->dev, "widget type %d name %s not handled\n", swidget->id, tw->name); 1489 break; 1490 } 1491 1492 /* check token parsing reply */ 1493 if (ret < 0) { 1494 dev_err(scomp->dev, 1495 "error: failed to add widget id %d type %d name : %s stream %s\n", 1496 tw->shift, swidget->id, tw->name, 1497 strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0 1498 ? tw->sname : "none"); 1499 kfree(swidget); 1500 return ret; 1501 } 1502 1503 if (sof_debug_check_flag(SOF_DBG_DISABLE_MULTICORE)) { 1504 swidget->core = SOF_DSP_PRIMARY_CORE; 1505 } else { 1506 int core = sof_get_token_value(SOF_TKN_COMP_CORE_ID, swidget->tuples, 1507 swidget->num_tuples); 1508 1509 if (core >= 0) 1510 swidget->core = core; 1511 } 1512 1513 /* bind widget to external event */ 1514 if (tw->event_type) { 1515 if (widget_ops && widget_ops[w->id].bind_event) { 1516 ret = widget_ops[w->id].bind_event(scomp, swidget, 1517 le16_to_cpu(tw->event_type)); 1518 if (ret) { 1519 dev_err(scomp->dev, "widget event binding failed for %s\n", 1520 swidget->widget->name); 1521 kfree(swidget->private); 1522 kfree(swidget->tuples); 1523 kfree(swidget); 1524 return ret; 1525 } 1526 } 1527 } 1528 1529 /* create and add pipeline for scheduler type widgets */ 1530 if (w->id == snd_soc_dapm_scheduler) { 1531 struct snd_sof_pipeline *spipe; 1532 1533 spipe = kzalloc(sizeof(*spipe), GFP_KERNEL); 1534 if (!spipe) { 1535 kfree(swidget->private); 1536 kfree(swidget->tuples); 1537 kfree(swidget); 1538 return -ENOMEM; 1539 } 1540 1541 spipe->pipe_widget = swidget; 1542 swidget->spipe = spipe; 1543 list_add(&spipe->list, &sdev->pipeline_list); 1544 } 1545 1546 w->dobj.private = swidget; 1547 list_add(&swidget->list, &sdev->widget_list); 1548 return ret; 1549 } 1550 1551 static int sof_route_unload(struct snd_soc_component *scomp, 1552 struct snd_soc_dobj *dobj) 1553 { 1554 struct snd_sof_route *sroute; 1555 1556 sroute = dobj->private; 1557 if (!sroute) 1558 return 0; 1559 1560 /* free sroute and its private data */ 1561 kfree(sroute->private); 1562 list_del(&sroute->list); 1563 kfree(sroute); 1564 1565 return 0; 1566 } 1567 1568 static int sof_widget_unload(struct snd_soc_component *scomp, 1569 struct snd_soc_dobj *dobj) 1570 { 1571 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1572 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 1573 const struct sof_ipc_tplg_widget_ops *widget_ops; 1574 const struct snd_kcontrol_new *kc; 1575 struct snd_soc_dapm_widget *widget; 1576 struct snd_sof_control *scontrol; 1577 struct snd_sof_widget *swidget; 1578 struct soc_mixer_control *sm; 1579 struct soc_bytes_ext *sbe; 1580 struct snd_sof_dai *dai; 1581 struct soc_enum *se; 1582 int i; 1583 1584 swidget = dobj->private; 1585 if (!swidget) 1586 return 0; 1587 1588 widget = swidget->widget; 1589 1590 switch (swidget->id) { 1591 case snd_soc_dapm_dai_in: 1592 case snd_soc_dapm_dai_out: 1593 dai = swidget->private; 1594 1595 if (dai) 1596 list_del(&dai->list); 1597 1598 sof_disconnect_dai_widget(scomp, widget); 1599 1600 break; 1601 case snd_soc_dapm_scheduler: 1602 { 1603 struct snd_sof_pipeline *spipe = swidget->spipe; 1604 1605 list_del(&spipe->list); 1606 kfree(spipe); 1607 swidget->spipe = NULL; 1608 break; 1609 } 1610 default: 1611 break; 1612 } 1613 for (i = 0; i < widget->num_kcontrols; i++) { 1614 kc = &widget->kcontrol_news[i]; 1615 switch (widget->dobj.widget.kcontrol_type[i]) { 1616 case SND_SOC_TPLG_TYPE_MIXER: 1617 sm = (struct soc_mixer_control *)kc->private_value; 1618 scontrol = sm->dobj.private; 1619 if (sm->max > 1) 1620 kfree(scontrol->volume_table); 1621 break; 1622 case SND_SOC_TPLG_TYPE_ENUM: 1623 se = (struct soc_enum *)kc->private_value; 1624 scontrol = se->dobj.private; 1625 break; 1626 case SND_SOC_TPLG_TYPE_BYTES: 1627 sbe = (struct soc_bytes_ext *)kc->private_value; 1628 scontrol = sbe->dobj.private; 1629 break; 1630 default: 1631 dev_warn(scomp->dev, "unsupported kcontrol_type\n"); 1632 goto out; 1633 } 1634 kfree(scontrol->ipc_control_data); 1635 list_del(&scontrol->list); 1636 kfree(scontrol->name); 1637 kfree(scontrol); 1638 } 1639 1640 out: 1641 /* free IPC related data */ 1642 widget_ops = tplg_ops ? tplg_ops->widget : NULL; 1643 if (widget_ops && widget_ops[swidget->id].ipc_free) 1644 widget_ops[swidget->id].ipc_free(swidget); 1645 1646 ida_destroy(&swidget->src_queue_ida); 1647 ida_destroy(&swidget->sink_queue_ida); 1648 1649 sof_free_pin_binding(swidget, SOF_PIN_TYPE_SINK); 1650 sof_free_pin_binding(swidget, SOF_PIN_TYPE_SOURCE); 1651 1652 kfree(swidget->tuples); 1653 1654 /* remove and free swidget object */ 1655 list_del(&swidget->list); 1656 kfree(swidget); 1657 1658 return 0; 1659 } 1660 1661 /* 1662 * DAI HW configuration. 1663 */ 1664 1665 /* FE DAI - used for any driver specific init */ 1666 static int sof_dai_load(struct snd_soc_component *scomp, int index, 1667 struct snd_soc_dai_driver *dai_drv, 1668 struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai) 1669 { 1670 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1671 const struct sof_ipc_pcm_ops *ipc_pcm_ops = sof_ipc_get_ops(sdev, pcm); 1672 struct snd_soc_tplg_stream_caps *caps; 1673 struct snd_soc_tplg_private *private = &pcm->priv; 1674 struct snd_sof_pcm *spcm; 1675 int stream; 1676 int ret; 1677 1678 /* nothing to do for BEs atm */ 1679 if (!pcm) 1680 return 0; 1681 1682 spcm = kzalloc(sizeof(*spcm), GFP_KERNEL); 1683 if (!spcm) 1684 return -ENOMEM; 1685 1686 spcm->scomp = scomp; 1687 1688 for_each_pcm_streams(stream) { 1689 spcm->stream[stream].comp_id = COMP_ID_UNASSIGNED; 1690 if (pcm->compress) 1691 snd_sof_compr_init_elapsed_work(&spcm->stream[stream].period_elapsed_work); 1692 else 1693 snd_sof_pcm_init_elapsed_work(&spcm->stream[stream].period_elapsed_work); 1694 } 1695 1696 spcm->pcm = *pcm; 1697 dev_dbg(scomp->dev, "tplg: load pcm %s\n", pcm->dai_name); 1698 1699 /* perform pcm set op */ 1700 if (ipc_pcm_ops && ipc_pcm_ops->pcm_setup) { 1701 ret = ipc_pcm_ops->pcm_setup(sdev, spcm); 1702 if (ret < 0) 1703 return ret; 1704 } 1705 1706 dai_drv->dobj.private = spcm; 1707 list_add(&spcm->list, &sdev->pcm_list); 1708 1709 ret = sof_parse_tokens(scomp, spcm, stream_tokens, 1710 ARRAY_SIZE(stream_tokens), private->array, 1711 le32_to_cpu(private->size)); 1712 if (ret) { 1713 dev_err(scomp->dev, "error: parse stream tokens failed %d\n", 1714 le32_to_cpu(private->size)); 1715 return ret; 1716 } 1717 1718 /* do we need to allocate playback PCM DMA pages */ 1719 if (!spcm->pcm.playback) 1720 goto capture; 1721 1722 stream = SNDRV_PCM_STREAM_PLAYBACK; 1723 1724 caps = &spcm->pcm.caps[stream]; 1725 1726 /* allocate playback page table buffer */ 1727 ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev, 1728 PAGE_SIZE, &spcm->stream[stream].page_table); 1729 if (ret < 0) { 1730 dev_err(scomp->dev, "error: can't alloc page table for %s %d\n", 1731 caps->name, ret); 1732 1733 return ret; 1734 } 1735 1736 /* bind pcm to host comp */ 1737 ret = spcm_bind(scomp, spcm, stream); 1738 if (ret) { 1739 dev_err(scomp->dev, 1740 "error: can't bind pcm to host\n"); 1741 goto free_playback_tables; 1742 } 1743 1744 capture: 1745 stream = SNDRV_PCM_STREAM_CAPTURE; 1746 1747 /* do we need to allocate capture PCM DMA pages */ 1748 if (!spcm->pcm.capture) 1749 return ret; 1750 1751 caps = &spcm->pcm.caps[stream]; 1752 1753 /* allocate capture page table buffer */ 1754 ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev, 1755 PAGE_SIZE, &spcm->stream[stream].page_table); 1756 if (ret < 0) { 1757 dev_err(scomp->dev, "error: can't alloc page table for %s %d\n", 1758 caps->name, ret); 1759 goto free_playback_tables; 1760 } 1761 1762 /* bind pcm to host comp */ 1763 ret = spcm_bind(scomp, spcm, stream); 1764 if (ret) { 1765 dev_err(scomp->dev, 1766 "error: can't bind pcm to host\n"); 1767 snd_dma_free_pages(&spcm->stream[stream].page_table); 1768 goto free_playback_tables; 1769 } 1770 1771 return ret; 1772 1773 free_playback_tables: 1774 if (spcm->pcm.playback) 1775 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table); 1776 1777 return ret; 1778 } 1779 1780 static int sof_dai_unload(struct snd_soc_component *scomp, 1781 struct snd_soc_dobj *dobj) 1782 { 1783 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1784 const struct sof_ipc_pcm_ops *ipc_pcm_ops = sof_ipc_get_ops(sdev, pcm); 1785 struct snd_sof_pcm *spcm = dobj->private; 1786 1787 /* free PCM DMA pages */ 1788 if (spcm->pcm.playback) 1789 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table); 1790 1791 if (spcm->pcm.capture) 1792 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table); 1793 1794 /* perform pcm free op */ 1795 if (ipc_pcm_ops && ipc_pcm_ops->pcm_free) 1796 ipc_pcm_ops->pcm_free(sdev, spcm); 1797 1798 /* remove from list and free spcm */ 1799 list_del(&spcm->list); 1800 kfree(spcm); 1801 1802 return 0; 1803 } 1804 1805 static const struct sof_topology_token common_dai_link_tokens[] = { 1806 {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type, 1807 offsetof(struct snd_sof_dai_link, type)}, 1808 }; 1809 1810 /* DAI link - used for any driver specific init */ 1811 static int sof_link_load(struct snd_soc_component *scomp, int index, struct snd_soc_dai_link *link, 1812 struct snd_soc_tplg_link_config *cfg) 1813 { 1814 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1815 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 1816 struct snd_soc_tplg_private *private = &cfg->priv; 1817 const struct sof_token_info *token_list; 1818 struct snd_sof_dai_link *slink; 1819 u32 token_id = 0; 1820 int num_tuples = 0; 1821 int ret, num_sets; 1822 1823 if (!link->platforms) { 1824 dev_err(scomp->dev, "error: no platforms\n"); 1825 return -EINVAL; 1826 } 1827 link->platforms->name = dev_name(scomp->dev); 1828 1829 if (tplg_ops && tplg_ops->link_setup) { 1830 ret = tplg_ops->link_setup(sdev, link); 1831 if (ret < 0) 1832 return ret; 1833 } 1834 1835 /* Set nonatomic property for FE dai links as their trigger action involves IPC's */ 1836 if (!link->no_pcm) { 1837 link->nonatomic = true; 1838 return 0; 1839 } 1840 1841 /* check we have some tokens - we need at least DAI type */ 1842 if (le32_to_cpu(private->size) == 0) { 1843 dev_err(scomp->dev, "error: expected tokens for DAI, none found\n"); 1844 return -EINVAL; 1845 } 1846 1847 slink = kzalloc(sizeof(*slink), GFP_KERNEL); 1848 if (!slink) 1849 return -ENOMEM; 1850 1851 slink->num_hw_configs = le32_to_cpu(cfg->num_hw_configs); 1852 slink->hw_configs = kmemdup(cfg->hw_config, 1853 sizeof(*slink->hw_configs) * slink->num_hw_configs, 1854 GFP_KERNEL); 1855 if (!slink->hw_configs) { 1856 kfree(slink); 1857 return -ENOMEM; 1858 } 1859 1860 slink->default_hw_cfg_id = le32_to_cpu(cfg->default_hw_config_id); 1861 slink->link = link; 1862 1863 dev_dbg(scomp->dev, "tplg: %d hw_configs found, default id: %d for dai link %s!\n", 1864 slink->num_hw_configs, slink->default_hw_cfg_id, link->name); 1865 1866 ret = sof_parse_tokens(scomp, slink, common_dai_link_tokens, 1867 ARRAY_SIZE(common_dai_link_tokens), 1868 private->array, le32_to_cpu(private->size)); 1869 if (ret < 0) { 1870 dev_err(scomp->dev, "Failed tp parse common DAI link tokens\n"); 1871 kfree(slink->hw_configs); 1872 kfree(slink); 1873 return ret; 1874 } 1875 1876 token_list = tplg_ops ? tplg_ops->token_list : NULL; 1877 if (!token_list) 1878 goto out; 1879 1880 /* calculate size of tuples array */ 1881 num_tuples += token_list[SOF_DAI_LINK_TOKENS].count; 1882 num_sets = slink->num_hw_configs; 1883 switch (slink->type) { 1884 case SOF_DAI_INTEL_SSP: 1885 token_id = SOF_SSP_TOKENS; 1886 num_tuples += token_list[SOF_SSP_TOKENS].count * slink->num_hw_configs; 1887 break; 1888 case SOF_DAI_INTEL_DMIC: 1889 token_id = SOF_DMIC_TOKENS; 1890 num_tuples += token_list[SOF_DMIC_TOKENS].count; 1891 1892 /* Allocate memory for max PDM controllers */ 1893 num_tuples += token_list[SOF_DMIC_PDM_TOKENS].count * SOF_DAI_INTEL_DMIC_NUM_CTRL; 1894 break; 1895 case SOF_DAI_INTEL_HDA: 1896 token_id = SOF_HDA_TOKENS; 1897 num_tuples += token_list[SOF_HDA_TOKENS].count; 1898 break; 1899 case SOF_DAI_INTEL_ALH: 1900 token_id = SOF_ALH_TOKENS; 1901 num_tuples += token_list[SOF_ALH_TOKENS].count; 1902 break; 1903 case SOF_DAI_IMX_SAI: 1904 token_id = SOF_SAI_TOKENS; 1905 num_tuples += token_list[SOF_SAI_TOKENS].count; 1906 break; 1907 case SOF_DAI_IMX_ESAI: 1908 token_id = SOF_ESAI_TOKENS; 1909 num_tuples += token_list[SOF_ESAI_TOKENS].count; 1910 break; 1911 case SOF_DAI_MEDIATEK_AFE: 1912 token_id = SOF_AFE_TOKENS; 1913 num_tuples += token_list[SOF_AFE_TOKENS].count; 1914 break; 1915 case SOF_DAI_AMD_DMIC: 1916 token_id = SOF_ACPDMIC_TOKENS; 1917 num_tuples += token_list[SOF_ACPDMIC_TOKENS].count; 1918 break; 1919 case SOF_DAI_AMD_SP: 1920 case SOF_DAI_AMD_HS: 1921 case SOF_DAI_AMD_SP_VIRTUAL: 1922 case SOF_DAI_AMD_HS_VIRTUAL: 1923 token_id = SOF_ACPI2S_TOKENS; 1924 num_tuples += token_list[SOF_ACPI2S_TOKENS].count; 1925 break; 1926 default: 1927 break; 1928 } 1929 1930 /* allocate memory for tuples array */ 1931 slink->tuples = kcalloc(num_tuples, sizeof(*slink->tuples), GFP_KERNEL); 1932 if (!slink->tuples) { 1933 kfree(slink->hw_configs); 1934 kfree(slink); 1935 return -ENOMEM; 1936 } 1937 1938 if (token_list[SOF_DAI_LINK_TOKENS].tokens) { 1939 /* parse one set of DAI link tokens */ 1940 ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size), 1941 SOF_DAI_LINK_TOKENS, 1, slink->tuples, 1942 num_tuples, &slink->num_tuples); 1943 if (ret < 0) { 1944 dev_err(scomp->dev, "failed to parse %s for dai link %s\n", 1945 token_list[SOF_DAI_LINK_TOKENS].name, link->name); 1946 goto err; 1947 } 1948 } 1949 1950 /* nothing more to do if there are no DAI type-specific tokens defined */ 1951 if (!token_id || !token_list[token_id].tokens) 1952 goto out; 1953 1954 /* parse "num_sets" sets of DAI-specific tokens */ 1955 ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size), 1956 token_id, num_sets, slink->tuples, num_tuples, &slink->num_tuples); 1957 if (ret < 0) { 1958 dev_err(scomp->dev, "failed to parse %s for dai link %s\n", 1959 token_list[token_id].name, link->name); 1960 goto err; 1961 } 1962 1963 /* for DMIC, also parse all sets of DMIC PDM tokens based on active PDM count */ 1964 if (token_id == SOF_DMIC_TOKENS) { 1965 num_sets = sof_get_token_value(SOF_TKN_INTEL_DMIC_NUM_PDM_ACTIVE, 1966 slink->tuples, slink->num_tuples); 1967 1968 if (num_sets < 0) { 1969 dev_err(sdev->dev, "Invalid active PDM count for %s\n", link->name); 1970 ret = num_sets; 1971 goto err; 1972 } 1973 1974 ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size), 1975 SOF_DMIC_PDM_TOKENS, num_sets, slink->tuples, 1976 num_tuples, &slink->num_tuples); 1977 if (ret < 0) { 1978 dev_err(scomp->dev, "failed to parse %s for dai link %s\n", 1979 token_list[SOF_DMIC_PDM_TOKENS].name, link->name); 1980 goto err; 1981 } 1982 } 1983 out: 1984 link->dobj.private = slink; 1985 list_add(&slink->list, &sdev->dai_link_list); 1986 1987 return 0; 1988 1989 err: 1990 kfree(slink->tuples); 1991 kfree(slink->hw_configs); 1992 kfree(slink); 1993 1994 return ret; 1995 } 1996 1997 static int sof_link_unload(struct snd_soc_component *scomp, struct snd_soc_dobj *dobj) 1998 { 1999 struct snd_sof_dai_link *slink = dobj->private; 2000 2001 if (!slink) 2002 return 0; 2003 2004 kfree(slink->tuples); 2005 list_del(&slink->list); 2006 kfree(slink->hw_configs); 2007 kfree(slink); 2008 dobj->private = NULL; 2009 2010 return 0; 2011 } 2012 2013 /* DAI link - used for any driver specific init */ 2014 static int sof_route_load(struct snd_soc_component *scomp, int index, 2015 struct snd_soc_dapm_route *route) 2016 { 2017 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 2018 struct snd_sof_widget *source_swidget, *sink_swidget; 2019 struct snd_soc_dobj *dobj = &route->dobj; 2020 struct snd_sof_route *sroute; 2021 int ret = 0; 2022 2023 /* allocate memory for sroute and connect */ 2024 sroute = kzalloc(sizeof(*sroute), GFP_KERNEL); 2025 if (!sroute) 2026 return -ENOMEM; 2027 2028 sroute->scomp = scomp; 2029 dev_dbg(scomp->dev, "sink %s control %s source %s\n", 2030 route->sink, route->control ? route->control : "none", 2031 route->source); 2032 2033 /* source component */ 2034 source_swidget = snd_sof_find_swidget(scomp, (char *)route->source); 2035 if (!source_swidget) { 2036 dev_err(scomp->dev, "error: source %s not found\n", 2037 route->source); 2038 ret = -EINVAL; 2039 goto err; 2040 } 2041 2042 /* 2043 * Virtual widgets of type output/out_drv may be added in topology 2044 * for compatibility. These are not handled by the FW. 2045 * So, don't send routes whose source/sink widget is of such types 2046 * to the DSP. 2047 */ 2048 if (source_swidget->id == snd_soc_dapm_out_drv || 2049 source_swidget->id == snd_soc_dapm_output) 2050 goto err; 2051 2052 /* sink component */ 2053 sink_swidget = snd_sof_find_swidget(scomp, (char *)route->sink); 2054 if (!sink_swidget) { 2055 dev_err(scomp->dev, "error: sink %s not found\n", 2056 route->sink); 2057 ret = -EINVAL; 2058 goto err; 2059 } 2060 2061 /* 2062 * Don't send routes whose sink widget is of type 2063 * output or out_drv to the DSP 2064 */ 2065 if (sink_swidget->id == snd_soc_dapm_out_drv || 2066 sink_swidget->id == snd_soc_dapm_output) 2067 goto err; 2068 2069 sroute->route = route; 2070 dobj->private = sroute; 2071 sroute->src_widget = source_swidget; 2072 sroute->sink_widget = sink_swidget; 2073 2074 /* add route to route list */ 2075 list_add(&sroute->list, &sdev->route_list); 2076 2077 return 0; 2078 err: 2079 kfree(sroute); 2080 return ret; 2081 } 2082 2083 /** 2084 * sof_set_widget_pipeline - Set pipeline for a component 2085 * @sdev: pointer to struct snd_sof_dev 2086 * @spipe: pointer to struct snd_sof_pipeline 2087 * @swidget: pointer to struct snd_sof_widget that has the same pipeline ID as @pipe_widget 2088 * 2089 * Return: 0 if successful, -EINVAL on error. 2090 * The function checks if @swidget is associated with any volatile controls. If so, setting 2091 * the dynamic_pipeline_widget is disallowed. 2092 */ 2093 static int sof_set_widget_pipeline(struct snd_sof_dev *sdev, struct snd_sof_pipeline *spipe, 2094 struct snd_sof_widget *swidget) 2095 { 2096 struct snd_sof_widget *pipe_widget = spipe->pipe_widget; 2097 struct snd_sof_control *scontrol; 2098 2099 if (pipe_widget->dynamic_pipeline_widget) { 2100 /* dynamic widgets cannot have volatile kcontrols */ 2101 list_for_each_entry(scontrol, &sdev->kcontrol_list, list) 2102 if (scontrol->comp_id == swidget->comp_id && 2103 (scontrol->access & SNDRV_CTL_ELEM_ACCESS_VOLATILE)) { 2104 dev_err(sdev->dev, 2105 "error: volatile control found for dynamic widget %s\n", 2106 swidget->widget->name); 2107 return -EINVAL; 2108 } 2109 } 2110 2111 /* set the pipeline and apply the dynamic_pipeline_widget_flag */ 2112 swidget->spipe = spipe; 2113 swidget->dynamic_pipeline_widget = pipe_widget->dynamic_pipeline_widget; 2114 2115 return 0; 2116 } 2117 2118 /* completion - called at completion of firmware loading */ 2119 static int sof_complete(struct snd_soc_component *scomp) 2120 { 2121 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 2122 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 2123 struct snd_sof_widget *swidget, *comp_swidget; 2124 const struct sof_ipc_tplg_widget_ops *widget_ops; 2125 struct snd_sof_control *scontrol; 2126 struct snd_sof_pipeline *spipe; 2127 int ret; 2128 2129 widget_ops = tplg_ops ? tplg_ops->widget : NULL; 2130 2131 /* first update all control IPC structures based on the IPC version */ 2132 if (tplg_ops && tplg_ops->control_setup) 2133 list_for_each_entry(scontrol, &sdev->kcontrol_list, list) { 2134 ret = tplg_ops->control_setup(sdev, scontrol); 2135 if (ret < 0) { 2136 dev_err(sdev->dev, "failed updating IPC struct for control %s\n", 2137 scontrol->name); 2138 return ret; 2139 } 2140 } 2141 2142 /* 2143 * then update all widget IPC structures. If any of the ipc_setup callbacks fail, the 2144 * topology will be removed and all widgets will be unloaded resulting in freeing all 2145 * associated memories. 2146 */ 2147 list_for_each_entry(swidget, &sdev->widget_list, list) { 2148 if (widget_ops && widget_ops[swidget->id].ipc_setup) { 2149 ret = widget_ops[swidget->id].ipc_setup(swidget); 2150 if (ret < 0) { 2151 dev_err(sdev->dev, "failed updating IPC struct for %s\n", 2152 swidget->widget->name); 2153 return ret; 2154 } 2155 } 2156 } 2157 2158 /* set the pipe_widget and apply the dynamic_pipeline_widget_flag */ 2159 list_for_each_entry(spipe, &sdev->pipeline_list, list) { 2160 struct snd_sof_widget *pipe_widget = spipe->pipe_widget; 2161 2162 /* 2163 * Apply the dynamic_pipeline_widget flag and set the pipe_widget field 2164 * for all widgets that have the same pipeline ID as the scheduler widget. 2165 * Skip the scheduler widgets as they have their pipeline set during widget_ready 2166 */ 2167 list_for_each_entry(comp_swidget, &sdev->widget_list, list) 2168 if (comp_swidget->widget->id != snd_soc_dapm_scheduler && 2169 comp_swidget->pipeline_id == pipe_widget->pipeline_id) { 2170 ret = sof_set_widget_pipeline(sdev, spipe, comp_swidget); 2171 if (ret < 0) 2172 return ret; 2173 } 2174 } 2175 2176 /* verify topology components loading including dynamic pipelines */ 2177 if (sof_debug_check_flag(SOF_DBG_VERIFY_TPLG)) { 2178 if (tplg_ops && tplg_ops->set_up_all_pipelines && 2179 tplg_ops->tear_down_all_pipelines) { 2180 ret = tplg_ops->set_up_all_pipelines(sdev, true); 2181 if (ret < 0) { 2182 dev_err(sdev->dev, "Failed to set up all topology pipelines: %d\n", 2183 ret); 2184 return ret; 2185 } 2186 2187 ret = tplg_ops->tear_down_all_pipelines(sdev, true); 2188 if (ret < 0) { 2189 dev_err(sdev->dev, "Failed to tear down topology pipelines: %d\n", 2190 ret); 2191 return ret; 2192 } 2193 } 2194 } 2195 2196 /* set up static pipelines */ 2197 if (tplg_ops && tplg_ops->set_up_all_pipelines) 2198 return tplg_ops->set_up_all_pipelines(sdev, false); 2199 2200 return 0; 2201 } 2202 2203 /* manifest - optional to inform component of manifest */ 2204 static int sof_manifest(struct snd_soc_component *scomp, int index, 2205 struct snd_soc_tplg_manifest *man) 2206 { 2207 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 2208 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 2209 2210 if (tplg_ops && tplg_ops->parse_manifest) 2211 return tplg_ops->parse_manifest(scomp, index, man); 2212 2213 return 0; 2214 } 2215 2216 /* vendor specific kcontrol handlers available for binding */ 2217 static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = { 2218 {SOF_TPLG_KCTL_VOL_ID, snd_sof_volume_get, snd_sof_volume_put}, 2219 {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_get, snd_sof_bytes_put}, 2220 {SOF_TPLG_KCTL_ENUM_ID, snd_sof_enum_get, snd_sof_enum_put}, 2221 {SOF_TPLG_KCTL_SWITCH_ID, snd_sof_switch_get, snd_sof_switch_put}, 2222 }; 2223 2224 /* vendor specific bytes ext handlers available for binding */ 2225 static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = { 2226 {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_ext_get, snd_sof_bytes_ext_put}, 2227 {SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_bytes_ext_volatile_get}, 2228 }; 2229 2230 static struct snd_soc_tplg_ops sof_tplg_ops = { 2231 /* external kcontrol init - used for any driver specific init */ 2232 .control_load = sof_control_load, 2233 .control_unload = sof_control_unload, 2234 2235 /* external kcontrol init - used for any driver specific init */ 2236 .dapm_route_load = sof_route_load, 2237 .dapm_route_unload = sof_route_unload, 2238 2239 /* external widget init - used for any driver specific init */ 2240 /* .widget_load is not currently used */ 2241 .widget_ready = sof_widget_ready, 2242 .widget_unload = sof_widget_unload, 2243 2244 /* FE DAI - used for any driver specific init */ 2245 .dai_load = sof_dai_load, 2246 .dai_unload = sof_dai_unload, 2247 2248 /* DAI link - used for any driver specific init */ 2249 .link_load = sof_link_load, 2250 .link_unload = sof_link_unload, 2251 2252 /* completion - called at completion of firmware loading */ 2253 .complete = sof_complete, 2254 2255 /* manifest - optional to inform component of manifest */ 2256 .manifest = sof_manifest, 2257 2258 /* vendor specific kcontrol handlers available for binding */ 2259 .io_ops = sof_io_ops, 2260 .io_ops_count = ARRAY_SIZE(sof_io_ops), 2261 2262 /* vendor specific bytes ext handlers available for binding */ 2263 .bytes_ext_ops = sof_bytes_ext_ops, 2264 .bytes_ext_ops_count = ARRAY_SIZE(sof_bytes_ext_ops), 2265 }; 2266 2267 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file) 2268 { 2269 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 2270 const struct firmware *fw; 2271 int ret; 2272 2273 dev_dbg(scomp->dev, "loading topology:%s\n", file); 2274 2275 ret = request_firmware(&fw, file, scomp->dev); 2276 if (ret < 0) { 2277 dev_err(scomp->dev, "error: tplg request firmware %s failed err: %d\n", 2278 file, ret); 2279 dev_err(scomp->dev, 2280 "you may need to download the firmware from https://github.com/thesofproject/sof-bin/\n"); 2281 return ret; 2282 } 2283 2284 ret = snd_soc_tplg_component_load(scomp, &sof_tplg_ops, fw); 2285 if (ret < 0) { 2286 dev_err(scomp->dev, "error: tplg component load failed %d\n", 2287 ret); 2288 ret = -EINVAL; 2289 } 2290 2291 release_firmware(fw); 2292 2293 if (ret >= 0 && sdev->led_present) 2294 ret = snd_ctl_led_request(); 2295 2296 return ret; 2297 } 2298 EXPORT_SYMBOL(snd_sof_load_topology); 2299