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 */ 52int 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 138static 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 */ 166static 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 */ 187static 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 */ 228u32 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 */ 266static 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 280struct sof_dai_types { 281 const char *name; 282 enum sof_ipc_dai_type type; 283}; 284 285static 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 {"ACPBT", 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 {"MICFIL", SOF_DAI_IMX_MICFIL}, 300 {"ACP_SDW", SOF_DAI_AMD_SDW}, 301 302}; 303 304static enum sof_ipc_dai_type find_dai(const char *name) 305{ 306 int i; 307 308 for (i = 0; i < ARRAY_SIZE(sof_dais); i++) { 309 if (strcmp(name, sof_dais[i].name) == 0) 310 return sof_dais[i].type; 311 } 312 313 return SOF_DAI_INTEL_NONE; 314} 315 316/* 317 * Supported Frame format types and lookup, add new ones to end of list. 318 */ 319 320struct sof_frame_types { 321 const char *name; 322 enum sof_ipc_frame frame; 323}; 324 325static const struct sof_frame_types sof_frames[] = { 326 {"s16le", SOF_IPC_FRAME_S16_LE}, 327 {"s24le", SOF_IPC_FRAME_S24_4LE}, 328 {"s32le", SOF_IPC_FRAME_S32_LE}, 329 {"float", SOF_IPC_FRAME_FLOAT}, 330}; 331 332static enum sof_ipc_frame find_format(const char *name) 333{ 334 int i; 335 336 for (i = 0; i < ARRAY_SIZE(sof_frames); i++) { 337 if (strcmp(name, sof_frames[i].name) == 0) 338 return sof_frames[i].frame; 339 } 340 341 /* use s32le if nothing is specified */ 342 return SOF_IPC_FRAME_S32_LE; 343} 344 345int get_token_u32(void *elem, void *object, u32 offset) 346{ 347 struct snd_soc_tplg_vendor_value_elem *velem = elem; 348 u32 *val = (u32 *)((u8 *)object + offset); 349 350 *val = le32_to_cpu(velem->value); 351 return 0; 352} 353 354int get_token_u16(void *elem, void *object, u32 offset) 355{ 356 struct snd_soc_tplg_vendor_value_elem *velem = elem; 357 u16 *val = (u16 *)((u8 *)object + offset); 358 359 *val = (u16)le32_to_cpu(velem->value); 360 return 0; 361} 362 363int get_token_uuid(void *elem, void *object, u32 offset) 364{ 365 struct snd_soc_tplg_vendor_uuid_elem *velem = elem; 366 u8 *dst = (u8 *)object + offset; 367 368 memcpy(dst, velem->uuid, UUID_SIZE); 369 370 return 0; 371} 372 373/* 374 * The string gets from topology will be stored in heap, the owner only 375 * holds a char* member point to the heap. 376 */ 377int get_token_string(void *elem, void *object, u32 offset) 378{ 379 /* "dst" here points to the char* member of the owner */ 380 char **dst = (char **)((u8 *)object + offset); 381 382 *dst = kstrdup(elem, GFP_KERNEL); 383 if (!*dst) 384 return -ENOMEM; 385 return 0; 386}; 387 388int get_token_comp_format(void *elem, void *object, u32 offset) 389{ 390 u32 *val = (u32 *)((u8 *)object + offset); 391 392 *val = find_format((const char *)elem); 393 return 0; 394} 395 396int get_token_dai_type(void *elem, void *object, u32 offset) 397{ 398 u32 *val = (u32 *)((u8 *)object + offset); 399 400 *val = find_dai((const char *)elem); 401 return 0; 402} 403 404/* PCM */ 405static const struct sof_topology_token stream_tokens[] = { 406 {SOF_TKN_STREAM_PLAYBACK_COMPATIBLE_D0I3, SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16, 407 offsetof(struct snd_sof_pcm, stream[0].d0i3_compatible)}, 408 {SOF_TKN_STREAM_CAPTURE_COMPATIBLE_D0I3, SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16, 409 offsetof(struct snd_sof_pcm, stream[1].d0i3_compatible)}, 410}; 411 412/* Leds */ 413static const struct sof_topology_token led_tokens[] = { 414 {SOF_TKN_MUTE_LED_USE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 415 offsetof(struct snd_sof_led_control, use_led)}, 416 {SOF_TKN_MUTE_LED_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 417 offsetof(struct snd_sof_led_control, direction)}, 418}; 419 420static const struct sof_topology_token comp_pin_tokens[] = { 421 {SOF_TKN_COMP_NUM_INPUT_PINS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 422 offsetof(struct snd_sof_widget, num_input_pins)}, 423 {SOF_TKN_COMP_NUM_OUTPUT_PINS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32, 424 offsetof(struct snd_sof_widget, num_output_pins)}, 425}; 426 427static const struct sof_topology_token comp_input_pin_binding_tokens[] = { 428 {SOF_TKN_COMP_INPUT_PIN_BINDING_WNAME, SND_SOC_TPLG_TUPLE_TYPE_STRING, 429 get_token_string, 0}, 430}; 431 432static const struct sof_topology_token comp_output_pin_binding_tokens[] = { 433 {SOF_TKN_COMP_OUTPUT_PIN_BINDING_WNAME, SND_SOC_TPLG_TUPLE_TYPE_STRING, 434 get_token_string, 0}, 435}; 436 437/** 438 * sof_parse_uuid_tokens - Parse multiple sets of UUID tokens 439 * @scomp: pointer to soc component 440 * @object: target ipc struct for parsed values 441 * @offset: offset within the object pointer 442 * @tokens: array of struct sof_topology_token containing the tokens to be matched 443 * @num_tokens: number of tokens in tokens array 444 * @array: source pointer to consecutive vendor arrays in topology 445 * 446 * This function parses multiple sets of string type tokens in vendor arrays 447 */ 448static int sof_parse_uuid_tokens(struct snd_soc_component *scomp, 449 void *object, size_t offset, 450 const struct sof_topology_token *tokens, int num_tokens, 451 struct snd_soc_tplg_vendor_array *array) 452{ 453 struct snd_soc_tplg_vendor_uuid_elem *elem; 454 int found = 0; 455 int i, j; 456 457 /* parse element by element */ 458 for (i = 0; i < le32_to_cpu(array->num_elems); i++) { 459 elem = &array->uuid[i]; 460 461 /* search for token */ 462 for (j = 0; j < num_tokens; j++) { 463 /* match token type */ 464 if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_UUID) 465 continue; 466 467 /* match token id */ 468 if (tokens[j].token != le32_to_cpu(elem->token)) 469 continue; 470 471 /* matched - now load token */ 472 tokens[j].get_token(elem, object, 473 offset + tokens[j].offset); 474 475 found++; 476 } 477 } 478 479 return found; 480} 481 482/** 483 * sof_copy_tuples - Parse tokens and copy them to the @tuples array 484 * @sdev: pointer to struct snd_sof_dev 485 * @array: source pointer to consecutive vendor arrays in topology 486 * @array_size: size of @array 487 * @token_id: Token ID associated with a token array 488 * @token_instance_num: number of times the same @token_id needs to be parsed i.e. the function 489 * looks for @token_instance_num of each token in the token array associated 490 * with the @token_id 491 * @tuples: tuples array to copy the matched tuples to 492 * @tuples_size: size of @tuples 493 * @num_copied_tuples: pointer to the number of copied tuples in the tuples array 494 * 495 */ 496static int sof_copy_tuples(struct snd_sof_dev *sdev, struct snd_soc_tplg_vendor_array *array, 497 int array_size, u32 token_id, int token_instance_num, 498 struct snd_sof_tuple *tuples, int tuples_size, int *num_copied_tuples) 499{ 500 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 501 const struct sof_token_info *token_list; 502 const struct sof_topology_token *tokens; 503 int found = 0; 504 int num_tokens, asize; 505 int i, j; 506 507 token_list = tplg_ops ? tplg_ops->token_list : NULL; 508 /* nothing to do if token_list is NULL */ 509 if (!token_list) 510 return 0; 511 512 if (!tuples || !num_copied_tuples) { 513 dev_err(sdev->dev, "Invalid tuples array\n"); 514 return -EINVAL; 515 } 516 517 tokens = token_list[token_id].tokens; 518 num_tokens = token_list[token_id].count; 519 520 if (!tokens) { 521 dev_err(sdev->dev, "No token array defined for token ID: %d\n", token_id); 522 return -EINVAL; 523 } 524 525 /* check if there's space in the tuples array for new tokens */ 526 if (*num_copied_tuples >= tuples_size) { 527 dev_err(sdev->dev, "No space in tuples array for new tokens from %s", 528 token_list[token_id].name); 529 return -EINVAL; 530 } 531 532 while (array_size > 0 && found < num_tokens * token_instance_num) { 533 asize = le32_to_cpu(array->size); 534 535 /* validate asize */ 536 if (asize < 0) { 537 dev_err(sdev->dev, "Invalid array size 0x%x\n", asize); 538 return -EINVAL; 539 } 540 541 /* make sure there is enough data before parsing */ 542 array_size -= asize; 543 if (array_size < 0) { 544 dev_err(sdev->dev, "Invalid array size 0x%x\n", asize); 545 return -EINVAL; 546 } 547 548 /* parse element by element */ 549 for (i = 0; i < le32_to_cpu(array->num_elems); i++) { 550 /* search for token */ 551 for (j = 0; j < num_tokens; j++) { 552 /* match token type */ 553 if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD || 554 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT || 555 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE || 556 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL || 557 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_STRING)) 558 continue; 559 560 if (tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_STRING) { 561 struct snd_soc_tplg_vendor_string_elem *elem; 562 563 elem = &array->string[i]; 564 565 /* match token id */ 566 if (tokens[j].token != le32_to_cpu(elem->token)) 567 continue; 568 569 tuples[*num_copied_tuples].token = tokens[j].token; 570 tuples[*num_copied_tuples].value.s = elem->string; 571 } else { 572 struct snd_soc_tplg_vendor_value_elem *elem; 573 574 elem = &array->value[i]; 575 576 /* match token id */ 577 if (tokens[j].token != le32_to_cpu(elem->token)) 578 continue; 579 580 tuples[*num_copied_tuples].token = tokens[j].token; 581 tuples[*num_copied_tuples].value.v = 582 le32_to_cpu(elem->value); 583 } 584 found++; 585 (*num_copied_tuples)++; 586 587 /* stop if there's no space for any more new tuples */ 588 if (*num_copied_tuples == tuples_size) 589 return 0; 590 } 591 592 /* stop when we've found the required token instances */ 593 if (found == num_tokens * token_instance_num) 594 return 0; 595 } 596 597 /* next array */ 598 array = (struct snd_soc_tplg_vendor_array *)((u8 *)array + asize); 599 } 600 601 return 0; 602} 603 604/** 605 * sof_parse_string_tokens - Parse multiple sets of tokens 606 * @scomp: pointer to soc component 607 * @object: target ipc struct for parsed values 608 * @offset: offset within the object pointer 609 * @tokens: array of struct sof_topology_token containing the tokens to be matched 610 * @num_tokens: number of tokens in tokens array 611 * @array: source pointer to consecutive vendor arrays in topology 612 * 613 * This function parses multiple sets of string type tokens in vendor arrays 614 */ 615static int sof_parse_string_tokens(struct snd_soc_component *scomp, 616 void *object, int offset, 617 const struct sof_topology_token *tokens, int num_tokens, 618 struct snd_soc_tplg_vendor_array *array) 619{ 620 struct snd_soc_tplg_vendor_string_elem *elem; 621 int found = 0; 622 int i, j, ret; 623 624 /* parse element by element */ 625 for (i = 0; i < le32_to_cpu(array->num_elems); i++) { 626 elem = &array->string[i]; 627 628 /* search for token */ 629 for (j = 0; j < num_tokens; j++) { 630 /* match token type */ 631 if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_STRING) 632 continue; 633 634 /* match token id */ 635 if (tokens[j].token != le32_to_cpu(elem->token)) 636 continue; 637 638 /* matched - now load token */ 639 ret = tokens[j].get_token(elem->string, object, offset + tokens[j].offset); 640 if (ret < 0) 641 return ret; 642 643 found++; 644 } 645 } 646 647 return found; 648} 649 650/** 651 * sof_parse_word_tokens - Parse multiple sets of tokens 652 * @scomp: pointer to soc component 653 * @object: target ipc struct for parsed values 654 * @offset: offset within the object pointer 655 * @tokens: array of struct sof_topology_token containing the tokens to be matched 656 * @num_tokens: number of tokens in tokens array 657 * @array: source pointer to consecutive vendor arrays in topology 658 * 659 * This function parses multiple sets of word type tokens in vendor arrays 660 */ 661static int sof_parse_word_tokens(struct snd_soc_component *scomp, 662 void *object, int offset, 663 const struct sof_topology_token *tokens, int num_tokens, 664 struct snd_soc_tplg_vendor_array *array) 665{ 666 struct snd_soc_tplg_vendor_value_elem *elem; 667 int found = 0; 668 int i, j; 669 670 /* parse element by element */ 671 for (i = 0; i < le32_to_cpu(array->num_elems); i++) { 672 elem = &array->value[i]; 673 674 /* search for token */ 675 for (j = 0; j < num_tokens; j++) { 676 /* match token type */ 677 if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD || 678 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT || 679 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE || 680 tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL)) 681 continue; 682 683 /* match token id */ 684 if (tokens[j].token != le32_to_cpu(elem->token)) 685 continue; 686 687 /* load token */ 688 tokens[j].get_token(elem, object, offset + tokens[j].offset); 689 690 found++; 691 } 692 } 693 694 return found; 695} 696 697/** 698 * sof_parse_token_sets - Parse multiple sets of tokens 699 * @scomp: pointer to soc component 700 * @object: target ipc struct for parsed values 701 * @tokens: token definition array describing what tokens to parse 702 * @count: number of tokens in definition array 703 * @array: source pointer to consecutive vendor arrays in topology 704 * @array_size: total size of @array 705 * @token_instance_num: number of times the same tokens needs to be parsed i.e. the function 706 * looks for @token_instance_num of each token in the @tokens 707 * @object_size: offset to next target ipc struct with multiple sets 708 * 709 * This function parses multiple sets of tokens in vendor arrays into 710 * consecutive ipc structs. 711 */ 712static int sof_parse_token_sets(struct snd_soc_component *scomp, 713 void *object, const struct sof_topology_token *tokens, 714 int count, struct snd_soc_tplg_vendor_array *array, 715 int array_size, int token_instance_num, size_t object_size) 716{ 717 size_t offset = 0; 718 int found = 0; 719 int total = 0; 720 int asize; 721 int ret; 722 723 while (array_size > 0 && total < count * token_instance_num) { 724 asize = le32_to_cpu(array->size); 725 726 /* validate asize */ 727 if (asize < 0) { /* FIXME: A zero-size array makes no sense */ 728 dev_err(scomp->dev, "error: invalid array size 0x%x\n", 729 asize); 730 return -EINVAL; 731 } 732 733 /* make sure there is enough data before parsing */ 734 array_size -= asize; 735 if (array_size < 0) { 736 dev_err(scomp->dev, "error: invalid array size 0x%x\n", 737 asize); 738 return -EINVAL; 739 } 740 741 /* call correct parser depending on type */ 742 switch (le32_to_cpu(array->type)) { 743 case SND_SOC_TPLG_TUPLE_TYPE_UUID: 744 found += sof_parse_uuid_tokens(scomp, object, offset, tokens, count, 745 array); 746 break; 747 case SND_SOC_TPLG_TUPLE_TYPE_STRING: 748 749 ret = sof_parse_string_tokens(scomp, object, offset, tokens, count, 750 array); 751 if (ret < 0) { 752 dev_err(scomp->dev, "error: no memory to copy string token\n"); 753 return ret; 754 } 755 756 found += ret; 757 break; 758 case SND_SOC_TPLG_TUPLE_TYPE_BOOL: 759 case SND_SOC_TPLG_TUPLE_TYPE_BYTE: 760 case SND_SOC_TPLG_TUPLE_TYPE_WORD: 761 case SND_SOC_TPLG_TUPLE_TYPE_SHORT: 762 found += sof_parse_word_tokens(scomp, object, offset, tokens, count, 763 array); 764 break; 765 default: 766 dev_err(scomp->dev, "error: unknown token type %d\n", 767 array->type); 768 return -EINVAL; 769 } 770 771 /* next array */ 772 array = (struct snd_soc_tplg_vendor_array *)((u8 *)array 773 + asize); 774 775 /* move to next target struct */ 776 if (found >= count) { 777 offset += object_size; 778 total += found; 779 found = 0; 780 } 781 } 782 783 return 0; 784} 785 786/** 787 * sof_parse_tokens - Parse one set of tokens 788 * @scomp: pointer to soc component 789 * @object: target ipc struct for parsed values 790 * @tokens: token definition array describing what tokens to parse 791 * @num_tokens: number of tokens in definition array 792 * @array: source pointer to consecutive vendor arrays in topology 793 * @array_size: total size of @array 794 * 795 * This function parses a single set of tokens in vendor arrays into 796 * consecutive ipc structs. 797 */ 798static int sof_parse_tokens(struct snd_soc_component *scomp, void *object, 799 const struct sof_topology_token *tokens, int num_tokens, 800 struct snd_soc_tplg_vendor_array *array, 801 int array_size) 802 803{ 804 /* 805 * sof_parse_tokens is used when topology contains only a single set of 806 * identical tuples arrays. So additional parameters to 807 * sof_parse_token_sets are sets = 1 (only 1 set) and 808 * object_size = 0 (irrelevant). 809 */ 810 return sof_parse_token_sets(scomp, object, tokens, num_tokens, array, 811 array_size, 1, 0); 812} 813 814/* 815 * Standard Kcontrols. 816 */ 817 818static int sof_control_load_volume(struct snd_soc_component *scomp, 819 struct snd_sof_control *scontrol, 820 struct snd_kcontrol_new *kc, 821 struct snd_soc_tplg_ctl_hdr *hdr) 822{ 823 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 824 struct snd_soc_tplg_mixer_control *mc = 825 container_of(hdr, struct snd_soc_tplg_mixer_control, hdr); 826 int tlv[SOF_TLV_ITEMS]; 827 unsigned int mask; 828 int ret; 829 830 /* validate topology data */ 831 if (le32_to_cpu(mc->num_channels) > SND_SOC_TPLG_MAX_CHAN) 832 return -EINVAL; 833 834 /* 835 * If control has more than 2 channels we need to override the info. This is because even if 836 * ASoC layer has defined topology's max channel count to SND_SOC_TPLG_MAX_CHAN = 8, the 837 * pre-defined dapm control types (and related functions) creating the actual control 838 * restrict the channels only to mono or stereo. 839 */ 840 if (le32_to_cpu(mc->num_channels) > 2) 841 kc->info = snd_sof_volume_info; 842 843 scontrol->comp_id = sdev->next_comp_id; 844 scontrol->min_volume_step = le32_to_cpu(mc->min); 845 scontrol->max_volume_step = le32_to_cpu(mc->max); 846 scontrol->num_channels = le32_to_cpu(mc->num_channels); 847 848 scontrol->max = le32_to_cpu(mc->max); 849 if (le32_to_cpu(mc->max) == 1) 850 goto skip; 851 852 /* extract tlv data */ 853 if (!kc->tlv.p || get_tlv_data(kc->tlv.p, tlv) < 0) { 854 dev_err(scomp->dev, "error: invalid TLV data\n"); 855 return -EINVAL; 856 } 857 858 /* set up volume table */ 859 ret = set_up_volume_table(scontrol, tlv, le32_to_cpu(mc->max) + 1); 860 if (ret < 0) { 861 dev_err(scomp->dev, "error: setting up volume table\n"); 862 return ret; 863 } 864 865skip: 866 /* set up possible led control from mixer private data */ 867 ret = sof_parse_tokens(scomp, &scontrol->led_ctl, led_tokens, 868 ARRAY_SIZE(led_tokens), mc->priv.array, 869 le32_to_cpu(mc->priv.size)); 870 if (ret != 0) { 871 dev_err(scomp->dev, "error: parse led tokens failed %d\n", 872 le32_to_cpu(mc->priv.size)); 873 goto err; 874 } 875 876 if (scontrol->led_ctl.use_led) { 877 mask = scontrol->led_ctl.direction ? SNDRV_CTL_ELEM_ACCESS_MIC_LED : 878 SNDRV_CTL_ELEM_ACCESS_SPK_LED; 879 scontrol->access &= ~SNDRV_CTL_ELEM_ACCESS_LED_MASK; 880 scontrol->access |= mask; 881 kc->access &= ~SNDRV_CTL_ELEM_ACCESS_LED_MASK; 882 kc->access |= mask; 883 sdev->led_present = true; 884 } 885 886 dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n", 887 scontrol->comp_id, scontrol->num_channels); 888 889 return 0; 890 891err: 892 if (le32_to_cpu(mc->max) > 1) 893 kfree(scontrol->volume_table); 894 895 return ret; 896} 897 898static int sof_control_load_enum(struct snd_soc_component *scomp, 899 struct snd_sof_control *scontrol, 900 struct snd_kcontrol_new *kc, 901 struct snd_soc_tplg_ctl_hdr *hdr) 902{ 903 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 904 struct snd_soc_tplg_enum_control *ec = 905 container_of(hdr, struct snd_soc_tplg_enum_control, hdr); 906 907 /* validate topology data */ 908 if (le32_to_cpu(ec->num_channels) > SND_SOC_TPLG_MAX_CHAN) 909 return -EINVAL; 910 911 scontrol->comp_id = sdev->next_comp_id; 912 scontrol->num_channels = le32_to_cpu(ec->num_channels); 913 914 dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n", 915 scontrol->comp_id, scontrol->num_channels, scontrol->comp_id); 916 917 return 0; 918} 919 920static int sof_control_load_bytes(struct snd_soc_component *scomp, 921 struct snd_sof_control *scontrol, 922 struct snd_kcontrol_new *kc, 923 struct snd_soc_tplg_ctl_hdr *hdr) 924{ 925 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 926 struct snd_soc_tplg_bytes_control *control = 927 container_of(hdr, struct snd_soc_tplg_bytes_control, hdr); 928 struct soc_bytes_ext *sbe = (struct soc_bytes_ext *)kc->private_value; 929 size_t priv_size = le32_to_cpu(control->priv.size); 930 931 scontrol->max_size = sbe->max; 932 scontrol->comp_id = sdev->next_comp_id; 933 934 dev_dbg(scomp->dev, "tplg: load kcontrol index %d\n", scontrol->comp_id); 935 936 /* copy the private data */ 937 if (priv_size > 0) { 938 scontrol->priv = kmemdup(control->priv.data, priv_size, GFP_KERNEL); 939 if (!scontrol->priv) 940 return -ENOMEM; 941 942 scontrol->priv_size = priv_size; 943 } 944 945 return 0; 946} 947 948/* external kcontrol init - used for any driver specific init */ 949static int sof_control_load(struct snd_soc_component *scomp, int index, 950 struct snd_kcontrol_new *kc, 951 struct snd_soc_tplg_ctl_hdr *hdr) 952{ 953 struct soc_mixer_control *sm; 954 struct soc_bytes_ext *sbe; 955 struct soc_enum *se; 956 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 957 struct snd_soc_dobj *dobj; 958 struct snd_sof_control *scontrol; 959 int ret; 960 961 dev_dbg(scomp->dev, "tplg: load control type %d name : %s\n", 962 hdr->type, hdr->name); 963 964 scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL); 965 if (!scontrol) 966 return -ENOMEM; 967 968 scontrol->name = kstrdup(hdr->name, GFP_KERNEL); 969 if (!scontrol->name) { 970 kfree(scontrol); 971 return -ENOMEM; 972 } 973 974 scontrol->scomp = scomp; 975 scontrol->access = kc->access; 976 scontrol->info_type = le32_to_cpu(hdr->ops.info); 977 scontrol->index = kc->index; 978 979 switch (le32_to_cpu(hdr->ops.info)) { 980 case SND_SOC_TPLG_CTL_VOLSW: 981 case SND_SOC_TPLG_CTL_VOLSW_SX: 982 case SND_SOC_TPLG_CTL_VOLSW_XR_SX: 983 sm = (struct soc_mixer_control *)kc->private_value; 984 dobj = &sm->dobj; 985 ret = sof_control_load_volume(scomp, scontrol, kc, hdr); 986 break; 987 case SND_SOC_TPLG_CTL_BYTES: 988 sbe = (struct soc_bytes_ext *)kc->private_value; 989 dobj = &sbe->dobj; 990 ret = sof_control_load_bytes(scomp, scontrol, kc, hdr); 991 break; 992 case SND_SOC_TPLG_CTL_ENUM: 993 case SND_SOC_TPLG_CTL_ENUM_VALUE: 994 se = (struct soc_enum *)kc->private_value; 995 dobj = &se->dobj; 996 ret = sof_control_load_enum(scomp, scontrol, kc, hdr); 997 break; 998 case SND_SOC_TPLG_CTL_RANGE: 999 case SND_SOC_TPLG_CTL_STROBE: 1000 case SND_SOC_TPLG_DAPM_CTL_VOLSW: 1001 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: 1002 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: 1003 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: 1004 case SND_SOC_TPLG_DAPM_CTL_PIN: 1005 default: 1006 dev_warn(scomp->dev, "control type not supported %d:%d:%d\n", 1007 hdr->ops.get, hdr->ops.put, hdr->ops.info); 1008 kfree(scontrol->name); 1009 kfree(scontrol); 1010 return 0; 1011 } 1012 1013 if (ret < 0) { 1014 kfree(scontrol->name); 1015 kfree(scontrol); 1016 return ret; 1017 } 1018 1019 scontrol->led_ctl.led_value = -1; 1020 1021 dobj->private = scontrol; 1022 list_add(&scontrol->list, &sdev->kcontrol_list); 1023 return 0; 1024} 1025 1026static int sof_control_unload(struct snd_soc_component *scomp, 1027 struct snd_soc_dobj *dobj) 1028{ 1029 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1030 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 1031 struct snd_sof_control *scontrol = dobj->private; 1032 int ret = 0; 1033 1034 dev_dbg(scomp->dev, "tplg: unload control name : %s\n", scontrol->name); 1035 1036 if (tplg_ops && tplg_ops->control_free) { 1037 ret = tplg_ops->control_free(sdev, scontrol); 1038 if (ret < 0) 1039 dev_err(scomp->dev, "failed to free control: %s\n", scontrol->name); 1040 } 1041 1042 /* free all data before returning in case of error too */ 1043 kfree(scontrol->ipc_control_data); 1044 kfree(scontrol->priv); 1045 kfree(scontrol->name); 1046 list_del(&scontrol->list); 1047 kfree(scontrol); 1048 1049 return ret; 1050} 1051 1052/* 1053 * DAI Topology 1054 */ 1055 1056static int sof_connect_dai_widget(struct snd_soc_component *scomp, 1057 struct snd_soc_dapm_widget *w, 1058 struct snd_soc_tplg_dapm_widget *tw, 1059 struct snd_sof_dai *dai) 1060{ 1061 struct snd_soc_card *card = scomp->card; 1062 struct snd_soc_pcm_runtime *rtd; 1063 struct snd_soc_dai *cpu_dai; 1064 int stream; 1065 int i; 1066 1067 if (!w->sname) { 1068 dev_err(scomp->dev, "Widget %s does not have stream\n", w->name); 1069 return -EINVAL; 1070 } 1071 1072 if (w->id == snd_soc_dapm_dai_out) 1073 stream = SNDRV_PCM_STREAM_CAPTURE; 1074 else if (w->id == snd_soc_dapm_dai_in) 1075 stream = SNDRV_PCM_STREAM_PLAYBACK; 1076 else 1077 goto end; 1078 1079 list_for_each_entry(rtd, &card->rtd_list, list) { 1080 /* does stream match DAI link ? */ 1081 if (!rtd->dai_link->stream_name || 1082 !strstr(rtd->dai_link->stream_name, w->sname)) 1083 continue; 1084 1085 for_each_rtd_cpu_dais(rtd, i, cpu_dai) { 1086 /* 1087 * Please create DAI widget in the right order 1088 * to ensure BE will connect to the right DAI 1089 * widget. 1090 */ 1091 if (!snd_soc_dai_get_widget(cpu_dai, stream)) { 1092 snd_soc_dai_set_widget(cpu_dai, stream, w); 1093 break; 1094 } 1095 } 1096 if (i == rtd->dai_link->num_cpus) { 1097 dev_err(scomp->dev, "error: can't find BE for DAI %s\n", w->name); 1098 1099 return -EINVAL; 1100 } 1101 1102 dai->name = rtd->dai_link->name; 1103 dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n", 1104 w->name, rtd->dai_link->name); 1105 } 1106end: 1107 /* check we have a connection */ 1108 if (!dai->name) { 1109 dev_err(scomp->dev, "error: can't connect DAI %s stream %s\n", 1110 w->name, w->sname); 1111 return -EINVAL; 1112 } 1113 1114 return 0; 1115} 1116 1117static void sof_disconnect_dai_widget(struct snd_soc_component *scomp, 1118 struct snd_soc_dapm_widget *w) 1119{ 1120 struct snd_soc_card *card = scomp->card; 1121 struct snd_soc_pcm_runtime *rtd; 1122 const char *sname = w->sname; 1123 struct snd_soc_dai *cpu_dai; 1124 int i, stream; 1125 1126 if (!sname) 1127 return; 1128 1129 if (w->id == snd_soc_dapm_dai_out) 1130 stream = SNDRV_PCM_STREAM_CAPTURE; 1131 else if (w->id == snd_soc_dapm_dai_in) 1132 stream = SNDRV_PCM_STREAM_PLAYBACK; 1133 else 1134 return; 1135 1136 list_for_each_entry(rtd, &card->rtd_list, list) { 1137 /* does stream match DAI link ? */ 1138 if (!rtd->dai_link->stream_name || 1139 !strstr(rtd->dai_link->stream_name, sname)) 1140 continue; 1141 1142 for_each_rtd_cpu_dais(rtd, i, cpu_dai) 1143 if (snd_soc_dai_get_widget(cpu_dai, stream) == w) { 1144 snd_soc_dai_set_widget(cpu_dai, stream, NULL); 1145 break; 1146 } 1147 } 1148} 1149 1150/* bind PCM ID to host component ID */ 1151static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm, 1152 int dir) 1153{ 1154 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1155 struct snd_sof_widget *host_widget; 1156 1157 if (sdev->dspless_mode_selected) 1158 return 0; 1159 1160 host_widget = snd_sof_find_swidget_sname(scomp, 1161 spcm->pcm.caps[dir].name, 1162 dir); 1163 if (!host_widget) { 1164 dev_err(scomp->dev, "can't find host comp to bind pcm\n"); 1165 return -EINVAL; 1166 } 1167 1168 spcm->stream[dir].comp_id = host_widget->comp_id; 1169 1170 return 0; 1171} 1172 1173static int sof_get_token_value(u32 token_id, struct snd_sof_tuple *tuples, int num_tuples) 1174{ 1175 int i; 1176 1177 if (!tuples) 1178 return -EINVAL; 1179 1180 for (i = 0; i < num_tuples; i++) { 1181 if (tuples[i].token == token_id) 1182 return tuples[i].value.v; 1183 } 1184 1185 return -EINVAL; 1186} 1187 1188static int sof_widget_parse_tokens(struct snd_soc_component *scomp, struct snd_sof_widget *swidget, 1189 struct snd_soc_tplg_dapm_widget *tw, 1190 enum sof_tokens *object_token_list, int count) 1191{ 1192 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1193 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 1194 struct snd_soc_tplg_private *private = &tw->priv; 1195 const struct sof_token_info *token_list; 1196 int num_tuples = 0; 1197 int ret, i; 1198 1199 token_list = tplg_ops ? tplg_ops->token_list : NULL; 1200 /* nothing to do if token_list is NULL */ 1201 if (!token_list) 1202 return 0; 1203 1204 if (count > 0 && !object_token_list) { 1205 dev_err(scomp->dev, "No token list for widget %s\n", swidget->widget->name); 1206 return -EINVAL; 1207 } 1208 1209 /* calculate max size of tuples array */ 1210 for (i = 0; i < count; i++) 1211 num_tuples += token_list[object_token_list[i]].count; 1212 1213 /* allocate memory for tuples array */ 1214 swidget->tuples = kcalloc(num_tuples, sizeof(*swidget->tuples), GFP_KERNEL); 1215 if (!swidget->tuples) 1216 return -ENOMEM; 1217 1218 /* parse token list for widget */ 1219 for (i = 0; i < count; i++) { 1220 int num_sets = 1; 1221 1222 if (object_token_list[i] >= SOF_TOKEN_COUNT) { 1223 dev_err(scomp->dev, "Invalid token id %d for widget %s\n", 1224 object_token_list[i], swidget->widget->name); 1225 ret = -EINVAL; 1226 goto err; 1227 } 1228 1229 switch (object_token_list[i]) { 1230 case SOF_COMP_EXT_TOKENS: 1231 /* parse and save UUID in swidget */ 1232 ret = sof_parse_tokens(scomp, swidget, 1233 token_list[object_token_list[i]].tokens, 1234 token_list[object_token_list[i]].count, 1235 private->array, le32_to_cpu(private->size)); 1236 if (ret < 0) { 1237 dev_err(scomp->dev, "Failed parsing %s for widget %s\n", 1238 token_list[object_token_list[i]].name, 1239 swidget->widget->name); 1240 goto err; 1241 } 1242 1243 continue; 1244 case SOF_IN_AUDIO_FORMAT_TOKENS: 1245 num_sets = sof_get_token_value(SOF_TKN_COMP_NUM_INPUT_AUDIO_FORMATS, 1246 swidget->tuples, swidget->num_tuples); 1247 if (num_sets < 0) { 1248 dev_err(sdev->dev, "Invalid input audio format count for %s\n", 1249 swidget->widget->name); 1250 ret = num_sets; 1251 goto err; 1252 } 1253 break; 1254 case SOF_OUT_AUDIO_FORMAT_TOKENS: 1255 num_sets = sof_get_token_value(SOF_TKN_COMP_NUM_OUTPUT_AUDIO_FORMATS, 1256 swidget->tuples, swidget->num_tuples); 1257 if (num_sets < 0) { 1258 dev_err(sdev->dev, "Invalid output audio format count for %s\n", 1259 swidget->widget->name); 1260 ret = num_sets; 1261 goto err; 1262 } 1263 break; 1264 default: 1265 break; 1266 } 1267 1268 if (num_sets > 1) { 1269 struct snd_sof_tuple *new_tuples; 1270 1271 num_tuples += token_list[object_token_list[i]].count * (num_sets - 1); 1272 new_tuples = krealloc(swidget->tuples, 1273 sizeof(*new_tuples) * num_tuples, GFP_KERNEL); 1274 if (!new_tuples) { 1275 ret = -ENOMEM; 1276 goto err; 1277 } 1278 1279 swidget->tuples = new_tuples; 1280 } 1281 1282 /* copy one set of tuples per token ID into swidget->tuples */ 1283 ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size), 1284 object_token_list[i], num_sets, swidget->tuples, 1285 num_tuples, &swidget->num_tuples); 1286 if (ret < 0) { 1287 dev_err(scomp->dev, "Failed parsing %s for widget %s err: %d\n", 1288 token_list[object_token_list[i]].name, swidget->widget->name, ret); 1289 goto err; 1290 } 1291 } 1292 1293 return 0; 1294err: 1295 kfree(swidget->tuples); 1296 return ret; 1297} 1298 1299static void sof_free_pin_binding(struct snd_sof_widget *swidget, 1300 bool pin_type) 1301{ 1302 char **pin_binding; 1303 u32 num_pins; 1304 int i; 1305 1306 if (pin_type == SOF_PIN_TYPE_INPUT) { 1307 pin_binding = swidget->input_pin_binding; 1308 num_pins = swidget->num_input_pins; 1309 } else { 1310 pin_binding = swidget->output_pin_binding; 1311 num_pins = swidget->num_output_pins; 1312 } 1313 1314 if (pin_binding) { 1315 for (i = 0; i < num_pins; i++) 1316 kfree(pin_binding[i]); 1317 } 1318 1319 kfree(pin_binding); 1320} 1321 1322static int sof_parse_pin_binding(struct snd_sof_widget *swidget, 1323 struct snd_soc_tplg_private *priv, bool pin_type) 1324{ 1325 const struct sof_topology_token *pin_binding_token; 1326 char *pin_binding[SOF_WIDGET_MAX_NUM_PINS]; 1327 int token_count; 1328 u32 num_pins; 1329 char **pb; 1330 int ret; 1331 int i; 1332 1333 if (pin_type == SOF_PIN_TYPE_INPUT) { 1334 num_pins = swidget->num_input_pins; 1335 pin_binding_token = comp_input_pin_binding_tokens; 1336 token_count = ARRAY_SIZE(comp_input_pin_binding_tokens); 1337 } else { 1338 num_pins = swidget->num_output_pins; 1339 pin_binding_token = comp_output_pin_binding_tokens; 1340 token_count = ARRAY_SIZE(comp_output_pin_binding_tokens); 1341 } 1342 1343 memset(pin_binding, 0, SOF_WIDGET_MAX_NUM_PINS * sizeof(char *)); 1344 ret = sof_parse_token_sets(swidget->scomp, pin_binding, pin_binding_token, 1345 token_count, priv->array, le32_to_cpu(priv->size), 1346 num_pins, sizeof(char *)); 1347 if (ret < 0) 1348 goto err; 1349 1350 /* copy pin binding array to swidget only if it is defined in topology */ 1351 if (pin_binding[0]) { 1352 pb = kmemdup(pin_binding, num_pins * sizeof(char *), GFP_KERNEL); 1353 if (!pb) { 1354 ret = -ENOMEM; 1355 goto err; 1356 } 1357 if (pin_type == SOF_PIN_TYPE_INPUT) 1358 swidget->input_pin_binding = pb; 1359 else 1360 swidget->output_pin_binding = pb; 1361 } 1362 1363 return 0; 1364 1365err: 1366 for (i = 0; i < num_pins; i++) 1367 kfree(pin_binding[i]); 1368 1369 return ret; 1370} 1371 1372static int get_w_no_wname_in_long_name(void *elem, void *object, u32 offset) 1373{ 1374 struct snd_soc_tplg_vendor_value_elem *velem = elem; 1375 struct snd_soc_dapm_widget *w = object; 1376 1377 w->no_wname_in_kcontrol_name = !!le32_to_cpu(velem->value); 1378 return 0; 1379} 1380 1381static const struct sof_topology_token dapm_widget_tokens[] = { 1382 {SOF_TKN_COMP_NO_WNAME_IN_KCONTROL_NAME, SND_SOC_TPLG_TUPLE_TYPE_BOOL, 1383 get_w_no_wname_in_long_name, 0} 1384}; 1385 1386/* external widget init - used for any driver specific init */ 1387static int sof_widget_ready(struct snd_soc_component *scomp, int index, 1388 struct snd_soc_dapm_widget *w, 1389 struct snd_soc_tplg_dapm_widget *tw) 1390{ 1391 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1392 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 1393 const struct sof_ipc_tplg_widget_ops *widget_ops; 1394 struct snd_soc_tplg_private *priv = &tw->priv; 1395 enum sof_tokens *token_list = NULL; 1396 struct snd_sof_widget *swidget; 1397 struct snd_sof_dai *dai; 1398 int token_list_size = 0; 1399 int ret = 0; 1400 1401 swidget = kzalloc(sizeof(*swidget), GFP_KERNEL); 1402 if (!swidget) 1403 return -ENOMEM; 1404 1405 swidget->scomp = scomp; 1406 swidget->widget = w; 1407 swidget->comp_id = sdev->next_comp_id++; 1408 swidget->id = w->id; 1409 swidget->pipeline_id = index; 1410 swidget->private = NULL; 1411 mutex_init(&swidget->setup_mutex); 1412 1413 ida_init(&swidget->output_queue_ida); 1414 ida_init(&swidget->input_queue_ida); 1415 1416 ret = sof_parse_tokens(scomp, w, dapm_widget_tokens, ARRAY_SIZE(dapm_widget_tokens), 1417 priv->array, le32_to_cpu(priv->size)); 1418 if (ret < 0) { 1419 dev_err(scomp->dev, "failed to parse dapm widget tokens for %s\n", 1420 w->name); 1421 goto widget_free; 1422 } 1423 1424 ret = sof_parse_tokens(scomp, swidget, comp_pin_tokens, 1425 ARRAY_SIZE(comp_pin_tokens), priv->array, 1426 le32_to_cpu(priv->size)); 1427 if (ret < 0) { 1428 dev_err(scomp->dev, "failed to parse component pin tokens for %s\n", 1429 w->name); 1430 goto widget_free; 1431 } 1432 1433 if (swidget->num_input_pins > SOF_WIDGET_MAX_NUM_PINS || 1434 swidget->num_output_pins > SOF_WIDGET_MAX_NUM_PINS) { 1435 dev_err(scomp->dev, "invalid pins for %s: [input: %d, output: %d]\n", 1436 swidget->widget->name, swidget->num_input_pins, swidget->num_output_pins); 1437 ret = -EINVAL; 1438 goto widget_free; 1439 } 1440 1441 if (swidget->num_input_pins > 1) { 1442 ret = sof_parse_pin_binding(swidget, priv, SOF_PIN_TYPE_INPUT); 1443 /* on parsing error, pin binding is not allocated, nothing to free. */ 1444 if (ret < 0) { 1445 dev_err(scomp->dev, "failed to parse input pin binding for %s\n", 1446 w->name); 1447 goto widget_free; 1448 } 1449 } 1450 1451 if (swidget->num_output_pins > 1) { 1452 ret = sof_parse_pin_binding(swidget, priv, SOF_PIN_TYPE_OUTPUT); 1453 /* on parsing error, pin binding is not allocated, nothing to free. */ 1454 if (ret < 0) { 1455 dev_err(scomp->dev, "failed to parse output pin binding for %s\n", 1456 w->name); 1457 goto widget_free; 1458 } 1459 } 1460 1461 dev_dbg(scomp->dev, 1462 "tplg: widget %d (%s) is ready [type: %d, pipe: %d, pins: %d / %d, stream: %s]\n", 1463 swidget->comp_id, w->name, swidget->id, index, 1464 swidget->num_input_pins, swidget->num_output_pins, 1465 strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0 ? w->sname : "none"); 1466 1467 widget_ops = tplg_ops ? tplg_ops->widget : NULL; 1468 if (widget_ops) { 1469 token_list = widget_ops[w->id].token_list; 1470 token_list_size = widget_ops[w->id].token_list_size; 1471 } 1472 1473 /* handle any special case widgets */ 1474 switch (w->id) { 1475 case snd_soc_dapm_dai_in: 1476 case snd_soc_dapm_dai_out: 1477 dai = kzalloc(sizeof(*dai), GFP_KERNEL); 1478 if (!dai) { 1479 ret = -ENOMEM; 1480 goto widget_free; 1481 } 1482 1483 ret = sof_widget_parse_tokens(scomp, swidget, tw, token_list, token_list_size); 1484 if (!ret) 1485 ret = sof_connect_dai_widget(scomp, w, tw, dai); 1486 if (ret < 0) { 1487 kfree(dai); 1488 break; 1489 } 1490 list_add(&dai->list, &sdev->dai_list); 1491 swidget->private = dai; 1492 break; 1493 case snd_soc_dapm_effect: 1494 /* check we have some tokens - we need at least process type */ 1495 if (le32_to_cpu(tw->priv.size) == 0) { 1496 dev_err(scomp->dev, "error: process tokens not found\n"); 1497 ret = -EINVAL; 1498 break; 1499 } 1500 ret = sof_widget_parse_tokens(scomp, swidget, tw, token_list, token_list_size); 1501 break; 1502 case snd_soc_dapm_pga: 1503 if (!le32_to_cpu(tw->num_kcontrols)) { 1504 dev_err(scomp->dev, "invalid kcontrol count %d for volume\n", 1505 tw->num_kcontrols); 1506 ret = -EINVAL; 1507 break; 1508 } 1509 1510 fallthrough; 1511 case snd_soc_dapm_mixer: 1512 case snd_soc_dapm_buffer: 1513 case snd_soc_dapm_scheduler: 1514 case snd_soc_dapm_aif_out: 1515 case snd_soc_dapm_aif_in: 1516 case snd_soc_dapm_src: 1517 case snd_soc_dapm_asrc: 1518 case snd_soc_dapm_siggen: 1519 case snd_soc_dapm_mux: 1520 case snd_soc_dapm_demux: 1521 ret = sof_widget_parse_tokens(scomp, swidget, tw, token_list, token_list_size); 1522 break; 1523 case snd_soc_dapm_switch: 1524 case snd_soc_dapm_dai_link: 1525 case snd_soc_dapm_kcontrol: 1526 default: 1527 dev_dbg(scomp->dev, "widget type %d name %s not handled\n", swidget->id, tw->name); 1528 break; 1529 } 1530 1531 /* check token parsing reply */ 1532 if (ret < 0) { 1533 dev_err(scomp->dev, 1534 "error: failed to add widget id %d type %d name : %s stream %s\n", 1535 tw->shift, swidget->id, tw->name, 1536 strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0 1537 ? tw->sname : "none"); 1538 goto widget_free; 1539 } 1540 1541 if (sof_debug_check_flag(SOF_DBG_DISABLE_MULTICORE)) { 1542 swidget->core = SOF_DSP_PRIMARY_CORE; 1543 } else { 1544 int core = sof_get_token_value(SOF_TKN_COMP_CORE_ID, swidget->tuples, 1545 swidget->num_tuples); 1546 1547 if (core >= 0) 1548 swidget->core = core; 1549 } 1550 1551 /* bind widget to external event */ 1552 if (tw->event_type) { 1553 if (widget_ops && widget_ops[w->id].bind_event) { 1554 ret = widget_ops[w->id].bind_event(scomp, swidget, 1555 le16_to_cpu(tw->event_type)); 1556 if (ret) { 1557 dev_err(scomp->dev, "widget event binding failed for %s\n", 1558 swidget->widget->name); 1559 goto free; 1560 } 1561 } 1562 } 1563 1564 /* create and add pipeline for scheduler type widgets */ 1565 if (w->id == snd_soc_dapm_scheduler) { 1566 struct snd_sof_pipeline *spipe; 1567 1568 spipe = kzalloc(sizeof(*spipe), GFP_KERNEL); 1569 if (!spipe) { 1570 ret = -ENOMEM; 1571 goto free; 1572 } 1573 1574 spipe->pipe_widget = swidget; 1575 swidget->spipe = spipe; 1576 list_add(&spipe->list, &sdev->pipeline_list); 1577 } 1578 1579 w->dobj.private = swidget; 1580 list_add(&swidget->list, &sdev->widget_list); 1581 return ret; 1582free: 1583 kfree(swidget->private); 1584 kfree(swidget->tuples); 1585widget_free: 1586 kfree(swidget); 1587 return ret; 1588} 1589 1590static int sof_route_unload(struct snd_soc_component *scomp, 1591 struct snd_soc_dobj *dobj) 1592{ 1593 struct snd_sof_route *sroute; 1594 1595 sroute = dobj->private; 1596 if (!sroute) 1597 return 0; 1598 1599 /* free sroute and its private data */ 1600 kfree(sroute->private); 1601 list_del(&sroute->list); 1602 kfree(sroute); 1603 1604 return 0; 1605} 1606 1607static int sof_widget_unload(struct snd_soc_component *scomp, 1608 struct snd_soc_dobj *dobj) 1609{ 1610 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1611 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 1612 const struct sof_ipc_tplg_widget_ops *widget_ops; 1613 const struct snd_kcontrol_new *kc; 1614 struct snd_soc_dapm_widget *widget; 1615 struct snd_sof_control *scontrol; 1616 struct snd_sof_widget *swidget; 1617 struct soc_mixer_control *sm; 1618 struct soc_bytes_ext *sbe; 1619 struct snd_sof_dai *dai; 1620 struct soc_enum *se; 1621 int i; 1622 1623 swidget = dobj->private; 1624 if (!swidget) 1625 return 0; 1626 1627 widget = swidget->widget; 1628 1629 switch (swidget->id) { 1630 case snd_soc_dapm_dai_in: 1631 case snd_soc_dapm_dai_out: 1632 dai = swidget->private; 1633 1634 if (dai) 1635 list_del(&dai->list); 1636 1637 sof_disconnect_dai_widget(scomp, widget); 1638 1639 break; 1640 case snd_soc_dapm_scheduler: 1641 { 1642 struct snd_sof_pipeline *spipe = swidget->spipe; 1643 1644 list_del(&spipe->list); 1645 kfree(spipe); 1646 swidget->spipe = NULL; 1647 break; 1648 } 1649 default: 1650 break; 1651 } 1652 for (i = 0; i < widget->num_kcontrols; i++) { 1653 kc = &widget->kcontrol_news[i]; 1654 switch (widget->dobj.widget.kcontrol_type[i]) { 1655 case SND_SOC_TPLG_TYPE_MIXER: 1656 sm = (struct soc_mixer_control *)kc->private_value; 1657 scontrol = sm->dobj.private; 1658 if (sm->max > 1) 1659 kfree(scontrol->volume_table); 1660 break; 1661 case SND_SOC_TPLG_TYPE_ENUM: 1662 se = (struct soc_enum *)kc->private_value; 1663 scontrol = se->dobj.private; 1664 break; 1665 case SND_SOC_TPLG_TYPE_BYTES: 1666 sbe = (struct soc_bytes_ext *)kc->private_value; 1667 scontrol = sbe->dobj.private; 1668 break; 1669 default: 1670 dev_warn(scomp->dev, "unsupported kcontrol_type\n"); 1671 goto out; 1672 } 1673 kfree(scontrol->ipc_control_data); 1674 list_del(&scontrol->list); 1675 kfree(scontrol->name); 1676 kfree(scontrol); 1677 } 1678 1679out: 1680 /* free IPC related data */ 1681 widget_ops = tplg_ops ? tplg_ops->widget : NULL; 1682 if (widget_ops && widget_ops[swidget->id].ipc_free) 1683 widget_ops[swidget->id].ipc_free(swidget); 1684 1685 ida_destroy(&swidget->output_queue_ida); 1686 ida_destroy(&swidget->input_queue_ida); 1687 1688 sof_free_pin_binding(swidget, SOF_PIN_TYPE_INPUT); 1689 sof_free_pin_binding(swidget, SOF_PIN_TYPE_OUTPUT); 1690 1691 kfree(swidget->tuples); 1692 1693 /* remove and free swidget object */ 1694 list_del(&swidget->list); 1695 kfree(swidget); 1696 1697 return 0; 1698} 1699 1700/* 1701 * DAI HW configuration. 1702 */ 1703 1704/* FE DAI - used for any driver specific init */ 1705static int sof_dai_load(struct snd_soc_component *scomp, int index, 1706 struct snd_soc_dai_driver *dai_drv, 1707 struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai) 1708{ 1709 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1710 const struct sof_ipc_pcm_ops *ipc_pcm_ops = sof_ipc_get_ops(sdev, pcm); 1711 struct snd_soc_tplg_stream_caps *caps; 1712 struct snd_soc_tplg_private *private = &pcm->priv; 1713 struct snd_sof_pcm *spcm; 1714 int stream; 1715 int ret; 1716 1717 /* nothing to do for BEs atm */ 1718 if (!pcm) 1719 return 0; 1720 1721 spcm = kzalloc(sizeof(*spcm), GFP_KERNEL); 1722 if (!spcm) 1723 return -ENOMEM; 1724 1725 spcm->scomp = scomp; 1726 1727 for_each_pcm_streams(stream) { 1728 spcm->stream[stream].comp_id = COMP_ID_UNASSIGNED; 1729 if (pcm->compress) 1730 snd_sof_compr_init_elapsed_work(&spcm->stream[stream].period_elapsed_work); 1731 else 1732 snd_sof_pcm_init_elapsed_work(&spcm->stream[stream].period_elapsed_work); 1733 } 1734 1735 spcm->pcm = *pcm; 1736 dev_dbg(scomp->dev, "tplg: load pcm %s\n", pcm->dai_name); 1737 1738 /* perform pcm set op */ 1739 if (ipc_pcm_ops && ipc_pcm_ops->pcm_setup) { 1740 ret = ipc_pcm_ops->pcm_setup(sdev, spcm); 1741 if (ret < 0) { 1742 kfree(spcm); 1743 return ret; 1744 } 1745 } 1746 1747 dai_drv->dobj.private = spcm; 1748 list_add(&spcm->list, &sdev->pcm_list); 1749 1750 ret = sof_parse_tokens(scomp, spcm, stream_tokens, 1751 ARRAY_SIZE(stream_tokens), private->array, 1752 le32_to_cpu(private->size)); 1753 if (ret) { 1754 dev_err(scomp->dev, "error: parse stream tokens failed %d\n", 1755 le32_to_cpu(private->size)); 1756 return ret; 1757 } 1758 1759 /* do we need to allocate playback PCM DMA pages */ 1760 if (!spcm->pcm.playback) 1761 goto capture; 1762 1763 stream = SNDRV_PCM_STREAM_PLAYBACK; 1764 1765 caps = &spcm->pcm.caps[stream]; 1766 1767 /* allocate playback page table buffer */ 1768 ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev, 1769 PAGE_SIZE, &spcm->stream[stream].page_table); 1770 if (ret < 0) { 1771 dev_err(scomp->dev, "error: can't alloc page table for %s %d\n", 1772 caps->name, ret); 1773 1774 return ret; 1775 } 1776 1777 /* bind pcm to host comp */ 1778 ret = spcm_bind(scomp, spcm, stream); 1779 if (ret) { 1780 dev_err(scomp->dev, 1781 "error: can't bind pcm to host\n"); 1782 goto free_playback_tables; 1783 } 1784 1785capture: 1786 stream = SNDRV_PCM_STREAM_CAPTURE; 1787 1788 /* do we need to allocate capture PCM DMA pages */ 1789 if (!spcm->pcm.capture) 1790 return ret; 1791 1792 caps = &spcm->pcm.caps[stream]; 1793 1794 /* allocate capture page table buffer */ 1795 ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev, 1796 PAGE_SIZE, &spcm->stream[stream].page_table); 1797 if (ret < 0) { 1798 dev_err(scomp->dev, "error: can't alloc page table for %s %d\n", 1799 caps->name, ret); 1800 goto free_playback_tables; 1801 } 1802 1803 /* bind pcm to host comp */ 1804 ret = spcm_bind(scomp, spcm, stream); 1805 if (ret) { 1806 dev_err(scomp->dev, 1807 "error: can't bind pcm to host\n"); 1808 snd_dma_free_pages(&spcm->stream[stream].page_table); 1809 goto free_playback_tables; 1810 } 1811 1812 return ret; 1813 1814free_playback_tables: 1815 if (spcm->pcm.playback) 1816 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table); 1817 1818 return ret; 1819} 1820 1821static int sof_dai_unload(struct snd_soc_component *scomp, 1822 struct snd_soc_dobj *dobj) 1823{ 1824 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1825 const struct sof_ipc_pcm_ops *ipc_pcm_ops = sof_ipc_get_ops(sdev, pcm); 1826 struct snd_sof_pcm *spcm = dobj->private; 1827 1828 /* free PCM DMA pages */ 1829 if (spcm->pcm.playback) 1830 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table); 1831 1832 if (spcm->pcm.capture) 1833 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table); 1834 1835 /* perform pcm free op */ 1836 if (ipc_pcm_ops && ipc_pcm_ops->pcm_free) 1837 ipc_pcm_ops->pcm_free(sdev, spcm); 1838 1839 /* remove from list and free spcm */ 1840 list_del(&spcm->list); 1841 kfree(spcm); 1842 1843 return 0; 1844} 1845 1846static const struct sof_topology_token common_dai_link_tokens[] = { 1847 {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type, 1848 offsetof(struct snd_sof_dai_link, type)}, 1849}; 1850 1851/* DAI link - used for any driver specific init */ 1852static int sof_link_load(struct snd_soc_component *scomp, int index, struct snd_soc_dai_link *link, 1853 struct snd_soc_tplg_link_config *cfg) 1854{ 1855 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 1856 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 1857 struct snd_soc_tplg_private *private = &cfg->priv; 1858 const struct sof_token_info *token_list; 1859 struct snd_sof_dai_link *slink; 1860 u32 token_id = 0; 1861 int num_tuples = 0; 1862 int ret, num_sets; 1863 1864 if (!link->platforms) { 1865 dev_err(scomp->dev, "error: no platforms\n"); 1866 return -EINVAL; 1867 } 1868 link->platforms->name = dev_name(scomp->dev); 1869 1870 if (tplg_ops && tplg_ops->link_setup) { 1871 ret = tplg_ops->link_setup(sdev, link); 1872 if (ret < 0) 1873 return ret; 1874 } 1875 1876 /* Set nonatomic property for FE dai links as their trigger action involves IPC's */ 1877 if (!link->no_pcm) { 1878 link->nonatomic = true; 1879 return 0; 1880 } 1881 1882 /* check we have some tokens - we need at least DAI type */ 1883 if (le32_to_cpu(private->size) == 0) { 1884 dev_err(scomp->dev, "error: expected tokens for DAI, none found\n"); 1885 return -EINVAL; 1886 } 1887 1888 slink = kzalloc(sizeof(*slink), GFP_KERNEL); 1889 if (!slink) 1890 return -ENOMEM; 1891 1892 slink->num_hw_configs = le32_to_cpu(cfg->num_hw_configs); 1893 slink->hw_configs = kmemdup(cfg->hw_config, 1894 sizeof(*slink->hw_configs) * slink->num_hw_configs, 1895 GFP_KERNEL); 1896 if (!slink->hw_configs) { 1897 kfree(slink); 1898 return -ENOMEM; 1899 } 1900 1901 slink->default_hw_cfg_id = le32_to_cpu(cfg->default_hw_config_id); 1902 slink->link = link; 1903 1904 dev_dbg(scomp->dev, "tplg: %d hw_configs found, default id: %d for dai link %s!\n", 1905 slink->num_hw_configs, slink->default_hw_cfg_id, link->name); 1906 1907 ret = sof_parse_tokens(scomp, slink, common_dai_link_tokens, 1908 ARRAY_SIZE(common_dai_link_tokens), 1909 private->array, le32_to_cpu(private->size)); 1910 if (ret < 0) { 1911 dev_err(scomp->dev, "Failed tp parse common DAI link tokens\n"); 1912 kfree(slink->hw_configs); 1913 kfree(slink); 1914 return ret; 1915 } 1916 1917 token_list = tplg_ops ? tplg_ops->token_list : NULL; 1918 if (!token_list) 1919 goto out; 1920 1921 /* calculate size of tuples array */ 1922 num_tuples += token_list[SOF_DAI_LINK_TOKENS].count; 1923 num_sets = slink->num_hw_configs; 1924 switch (slink->type) { 1925 case SOF_DAI_INTEL_SSP: 1926 token_id = SOF_SSP_TOKENS; 1927 num_tuples += token_list[SOF_SSP_TOKENS].count * slink->num_hw_configs; 1928 break; 1929 case SOF_DAI_INTEL_DMIC: 1930 token_id = SOF_DMIC_TOKENS; 1931 num_tuples += token_list[SOF_DMIC_TOKENS].count; 1932 1933 /* Allocate memory for max PDM controllers */ 1934 num_tuples += token_list[SOF_DMIC_PDM_TOKENS].count * SOF_DAI_INTEL_DMIC_NUM_CTRL; 1935 break; 1936 case SOF_DAI_INTEL_HDA: 1937 token_id = SOF_HDA_TOKENS; 1938 num_tuples += token_list[SOF_HDA_TOKENS].count; 1939 break; 1940 case SOF_DAI_INTEL_ALH: 1941 token_id = SOF_ALH_TOKENS; 1942 num_tuples += token_list[SOF_ALH_TOKENS].count; 1943 break; 1944 case SOF_DAI_IMX_SAI: 1945 token_id = SOF_SAI_TOKENS; 1946 num_tuples += token_list[SOF_SAI_TOKENS].count; 1947 break; 1948 case SOF_DAI_IMX_ESAI: 1949 token_id = SOF_ESAI_TOKENS; 1950 num_tuples += token_list[SOF_ESAI_TOKENS].count; 1951 break; 1952 case SOF_DAI_MEDIATEK_AFE: 1953 token_id = SOF_AFE_TOKENS; 1954 num_tuples += token_list[SOF_AFE_TOKENS].count; 1955 break; 1956 case SOF_DAI_AMD_DMIC: 1957 token_id = SOF_ACPDMIC_TOKENS; 1958 num_tuples += token_list[SOF_ACPDMIC_TOKENS].count; 1959 break; 1960 case SOF_DAI_AMD_BT: 1961 case SOF_DAI_AMD_SP: 1962 case SOF_DAI_AMD_HS: 1963 case SOF_DAI_AMD_SP_VIRTUAL: 1964 case SOF_DAI_AMD_HS_VIRTUAL: 1965 token_id = SOF_ACPI2S_TOKENS; 1966 num_tuples += token_list[SOF_ACPI2S_TOKENS].count; 1967 break; 1968 case SOF_DAI_IMX_MICFIL: 1969 token_id = SOF_MICFIL_TOKENS; 1970 num_tuples += token_list[SOF_MICFIL_TOKENS].count; 1971 break; 1972 case SOF_DAI_AMD_SDW: 1973 token_id = SOF_ACP_SDW_TOKENS; 1974 num_tuples += token_list[SOF_ACP_SDW_TOKENS].count; 1975 break; 1976 default: 1977 break; 1978 } 1979 1980 /* allocate memory for tuples array */ 1981 slink->tuples = kcalloc(num_tuples, sizeof(*slink->tuples), GFP_KERNEL); 1982 if (!slink->tuples) { 1983 kfree(slink->hw_configs); 1984 kfree(slink); 1985 return -ENOMEM; 1986 } 1987 1988 if (token_list[SOF_DAI_LINK_TOKENS].tokens) { 1989 /* parse one set of DAI link tokens */ 1990 ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size), 1991 SOF_DAI_LINK_TOKENS, 1, slink->tuples, 1992 num_tuples, &slink->num_tuples); 1993 if (ret < 0) { 1994 dev_err(scomp->dev, "failed to parse %s for dai link %s\n", 1995 token_list[SOF_DAI_LINK_TOKENS].name, link->name); 1996 goto err; 1997 } 1998 } 1999 2000 /* nothing more to do if there are no DAI type-specific tokens defined */ 2001 if (!token_id || !token_list[token_id].tokens) 2002 goto out; 2003 2004 /* parse "num_sets" sets of DAI-specific tokens */ 2005 ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size), 2006 token_id, num_sets, slink->tuples, num_tuples, &slink->num_tuples); 2007 if (ret < 0) { 2008 dev_err(scomp->dev, "failed to parse %s for dai link %s\n", 2009 token_list[token_id].name, link->name); 2010 goto err; 2011 } 2012 2013 /* for DMIC, also parse all sets of DMIC PDM tokens based on active PDM count */ 2014 if (token_id == SOF_DMIC_TOKENS) { 2015 num_sets = sof_get_token_value(SOF_TKN_INTEL_DMIC_NUM_PDM_ACTIVE, 2016 slink->tuples, slink->num_tuples); 2017 2018 if (num_sets < 0) { 2019 dev_err(sdev->dev, "Invalid active PDM count for %s\n", link->name); 2020 ret = num_sets; 2021 goto err; 2022 } 2023 2024 ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size), 2025 SOF_DMIC_PDM_TOKENS, num_sets, slink->tuples, 2026 num_tuples, &slink->num_tuples); 2027 if (ret < 0) { 2028 dev_err(scomp->dev, "failed to parse %s for dai link %s\n", 2029 token_list[SOF_DMIC_PDM_TOKENS].name, link->name); 2030 goto err; 2031 } 2032 } 2033out: 2034 link->dobj.private = slink; 2035 list_add(&slink->list, &sdev->dai_link_list); 2036 2037 return 0; 2038 2039err: 2040 kfree(slink->tuples); 2041 kfree(slink->hw_configs); 2042 kfree(slink); 2043 2044 return ret; 2045} 2046 2047static int sof_link_unload(struct snd_soc_component *scomp, struct snd_soc_dobj *dobj) 2048{ 2049 struct snd_sof_dai_link *slink = dobj->private; 2050 2051 if (!slink) 2052 return 0; 2053 2054 kfree(slink->tuples); 2055 list_del(&slink->list); 2056 kfree(slink->hw_configs); 2057 kfree(slink); 2058 dobj->private = NULL; 2059 2060 return 0; 2061} 2062 2063/* DAI link - used for any driver specific init */ 2064static int sof_route_load(struct snd_soc_component *scomp, int index, 2065 struct snd_soc_dapm_route *route) 2066{ 2067 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 2068 struct snd_sof_widget *source_swidget, *sink_swidget; 2069 struct snd_soc_dobj *dobj = &route->dobj; 2070 struct snd_sof_route *sroute; 2071 int ret = 0; 2072 2073 /* allocate memory for sroute and connect */ 2074 sroute = kzalloc(sizeof(*sroute), GFP_KERNEL); 2075 if (!sroute) 2076 return -ENOMEM; 2077 2078 sroute->scomp = scomp; 2079 dev_dbg(scomp->dev, "sink %s control %s source %s\n", 2080 route->sink, route->control ? route->control : "none", 2081 route->source); 2082 2083 /* source component */ 2084 source_swidget = snd_sof_find_swidget(scomp, (char *)route->source); 2085 if (!source_swidget) { 2086 dev_err(scomp->dev, "error: source %s not found\n", 2087 route->source); 2088 ret = -EINVAL; 2089 goto err; 2090 } 2091 2092 /* 2093 * Virtual widgets of type output/out_drv may be added in topology 2094 * for compatibility. These are not handled by the FW. 2095 * So, don't send routes whose source/sink widget is of such types 2096 * to the DSP. 2097 */ 2098 if (source_swidget->id == snd_soc_dapm_out_drv || 2099 source_swidget->id == snd_soc_dapm_output) 2100 goto err; 2101 2102 /* sink component */ 2103 sink_swidget = snd_sof_find_swidget(scomp, (char *)route->sink); 2104 if (!sink_swidget) { 2105 dev_err(scomp->dev, "error: sink %s not found\n", 2106 route->sink); 2107 ret = -EINVAL; 2108 goto err; 2109 } 2110 2111 /* 2112 * Don't send routes whose sink widget is of type 2113 * output or out_drv to the DSP 2114 */ 2115 if (sink_swidget->id == snd_soc_dapm_out_drv || 2116 sink_swidget->id == snd_soc_dapm_output) 2117 goto err; 2118 2119 sroute->route = route; 2120 dobj->private = sroute; 2121 sroute->src_widget = source_swidget; 2122 sroute->sink_widget = sink_swidget; 2123 2124 /* add route to route list */ 2125 list_add(&sroute->list, &sdev->route_list); 2126 2127 return 0; 2128err: 2129 kfree(sroute); 2130 return ret; 2131} 2132 2133/** 2134 * sof_set_widget_pipeline - Set pipeline for a component 2135 * @sdev: pointer to struct snd_sof_dev 2136 * @spipe: pointer to struct snd_sof_pipeline 2137 * @swidget: pointer to struct snd_sof_widget that has the same pipeline ID as @pipe_widget 2138 * 2139 * Return: 0 if successful, -EINVAL on error. 2140 * The function checks if @swidget is associated with any volatile controls. If so, setting 2141 * the dynamic_pipeline_widget is disallowed. 2142 */ 2143static int sof_set_widget_pipeline(struct snd_sof_dev *sdev, struct snd_sof_pipeline *spipe, 2144 struct snd_sof_widget *swidget) 2145{ 2146 struct snd_sof_widget *pipe_widget = spipe->pipe_widget; 2147 struct snd_sof_control *scontrol; 2148 2149 if (pipe_widget->dynamic_pipeline_widget) { 2150 /* dynamic widgets cannot have volatile kcontrols */ 2151 list_for_each_entry(scontrol, &sdev->kcontrol_list, list) 2152 if (scontrol->comp_id == swidget->comp_id && 2153 (scontrol->access & SNDRV_CTL_ELEM_ACCESS_VOLATILE)) { 2154 dev_err(sdev->dev, 2155 "error: volatile control found for dynamic widget %s\n", 2156 swidget->widget->name); 2157 return -EINVAL; 2158 } 2159 } 2160 2161 /* set the pipeline and apply the dynamic_pipeline_widget_flag */ 2162 swidget->spipe = spipe; 2163 swidget->dynamic_pipeline_widget = pipe_widget->dynamic_pipeline_widget; 2164 2165 return 0; 2166} 2167 2168/* completion - called at completion of firmware loading */ 2169static int sof_complete(struct snd_soc_component *scomp) 2170{ 2171 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 2172 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 2173 const struct sof_ipc_tplg_widget_ops *widget_ops; 2174 struct snd_sof_control *scontrol; 2175 struct snd_sof_pipeline *spipe; 2176 int ret; 2177 2178 widget_ops = tplg_ops ? tplg_ops->widget : NULL; 2179 2180 /* first update all control IPC structures based on the IPC version */ 2181 if (tplg_ops && tplg_ops->control_setup) 2182 list_for_each_entry(scontrol, &sdev->kcontrol_list, list) { 2183 ret = tplg_ops->control_setup(sdev, scontrol); 2184 if (ret < 0) { 2185 dev_err(sdev->dev, "failed updating IPC struct for control %s\n", 2186 scontrol->name); 2187 return ret; 2188 } 2189 } 2190 2191 /* set up the IPC structures for the pipeline widgets */ 2192 list_for_each_entry(spipe, &sdev->pipeline_list, list) { 2193 struct snd_sof_widget *pipe_widget = spipe->pipe_widget; 2194 struct snd_sof_widget *swidget; 2195 2196 pipe_widget->instance_id = -EINVAL; 2197 2198 /* Update the scheduler widget's IPC structure */ 2199 if (widget_ops && widget_ops[pipe_widget->id].ipc_setup) { 2200 ret = widget_ops[pipe_widget->id].ipc_setup(pipe_widget); 2201 if (ret < 0) { 2202 dev_err(sdev->dev, "failed updating IPC struct for %s\n", 2203 pipe_widget->widget->name); 2204 return ret; 2205 } 2206 } 2207 2208 /* set the pipeline and update the IPC structure for the non scheduler widgets */ 2209 list_for_each_entry(swidget, &sdev->widget_list, list) 2210 if (swidget->widget->id != snd_soc_dapm_scheduler && 2211 swidget->pipeline_id == pipe_widget->pipeline_id) { 2212 ret = sof_set_widget_pipeline(sdev, spipe, swidget); 2213 if (ret < 0) 2214 return ret; 2215 2216 if (widget_ops && widget_ops[swidget->id].ipc_setup) { 2217 ret = widget_ops[swidget->id].ipc_setup(swidget); 2218 if (ret < 0) { 2219 dev_err(sdev->dev, 2220 "failed updating IPC struct for %s\n", 2221 swidget->widget->name); 2222 return ret; 2223 } 2224 } 2225 } 2226 } 2227 2228 /* verify topology components loading including dynamic pipelines */ 2229 if (sof_debug_check_flag(SOF_DBG_VERIFY_TPLG)) { 2230 if (tplg_ops && tplg_ops->set_up_all_pipelines && 2231 tplg_ops->tear_down_all_pipelines) { 2232 ret = tplg_ops->set_up_all_pipelines(sdev, true); 2233 if (ret < 0) { 2234 dev_err(sdev->dev, "Failed to set up all topology pipelines: %d\n", 2235 ret); 2236 return ret; 2237 } 2238 2239 ret = tplg_ops->tear_down_all_pipelines(sdev, true); 2240 if (ret < 0) { 2241 dev_err(sdev->dev, "Failed to tear down topology pipelines: %d\n", 2242 ret); 2243 return ret; 2244 } 2245 } 2246 } 2247 2248 /* set up static pipelines */ 2249 if (tplg_ops && tplg_ops->set_up_all_pipelines) 2250 return tplg_ops->set_up_all_pipelines(sdev, false); 2251 2252 return 0; 2253} 2254 2255/* manifest - optional to inform component of manifest */ 2256static int sof_manifest(struct snd_soc_component *scomp, int index, 2257 struct snd_soc_tplg_manifest *man) 2258{ 2259 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 2260 const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); 2261 2262 if (tplg_ops && tplg_ops->parse_manifest) 2263 return tplg_ops->parse_manifest(scomp, index, man); 2264 2265 return 0; 2266} 2267 2268/* vendor specific kcontrol handlers available for binding */ 2269static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = { 2270 {SOF_TPLG_KCTL_VOL_ID, snd_sof_volume_get, snd_sof_volume_put}, 2271 {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_get, snd_sof_bytes_put}, 2272 {SOF_TPLG_KCTL_ENUM_ID, snd_sof_enum_get, snd_sof_enum_put}, 2273 {SOF_TPLG_KCTL_SWITCH_ID, snd_sof_switch_get, snd_sof_switch_put}, 2274}; 2275 2276/* vendor specific bytes ext handlers available for binding */ 2277static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = { 2278 {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_ext_get, snd_sof_bytes_ext_put}, 2279 {SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_bytes_ext_volatile_get}, 2280}; 2281 2282static struct snd_soc_tplg_ops sof_tplg_ops = { 2283 /* external kcontrol init - used for any driver specific init */ 2284 .control_load = sof_control_load, 2285 .control_unload = sof_control_unload, 2286 2287 /* external kcontrol init - used for any driver specific init */ 2288 .dapm_route_load = sof_route_load, 2289 .dapm_route_unload = sof_route_unload, 2290 2291 /* external widget init - used for any driver specific init */ 2292 /* .widget_load is not currently used */ 2293 .widget_ready = sof_widget_ready, 2294 .widget_unload = sof_widget_unload, 2295 2296 /* FE DAI - used for any driver specific init */ 2297 .dai_load = sof_dai_load, 2298 .dai_unload = sof_dai_unload, 2299 2300 /* DAI link - used for any driver specific init */ 2301 .link_load = sof_link_load, 2302 .link_unload = sof_link_unload, 2303 2304 /* completion - called at completion of firmware loading */ 2305 .complete = sof_complete, 2306 2307 /* manifest - optional to inform component of manifest */ 2308 .manifest = sof_manifest, 2309 2310 /* vendor specific kcontrol handlers available for binding */ 2311 .io_ops = sof_io_ops, 2312 .io_ops_count = ARRAY_SIZE(sof_io_ops), 2313 2314 /* vendor specific bytes ext handlers available for binding */ 2315 .bytes_ext_ops = sof_bytes_ext_ops, 2316 .bytes_ext_ops_count = ARRAY_SIZE(sof_bytes_ext_ops), 2317}; 2318 2319static int snd_sof_dspless_kcontrol(struct snd_kcontrol *kcontrol, 2320 struct snd_ctl_elem_value *ucontrol) 2321{ 2322 return 0; 2323} 2324 2325static const struct snd_soc_tplg_kcontrol_ops sof_dspless_io_ops[] = { 2326 {SOF_TPLG_KCTL_VOL_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol}, 2327 {SOF_TPLG_KCTL_BYTES_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol}, 2328 {SOF_TPLG_KCTL_ENUM_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol}, 2329 {SOF_TPLG_KCTL_SWITCH_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol}, 2330}; 2331 2332static int snd_sof_dspless_bytes_ext_get(struct snd_kcontrol *kcontrol, 2333 unsigned int __user *binary_data, 2334 unsigned int size) 2335{ 2336 return 0; 2337} 2338 2339static int snd_sof_dspless_bytes_ext_put(struct snd_kcontrol *kcontrol, 2340 const unsigned int __user *binary_data, 2341 unsigned int size) 2342{ 2343 return 0; 2344} 2345 2346static const struct snd_soc_tplg_bytes_ext_ops sof_dspless_bytes_ext_ops[] = { 2347 {SOF_TPLG_KCTL_BYTES_ID, snd_sof_dspless_bytes_ext_get, snd_sof_dspless_bytes_ext_put}, 2348 {SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_dspless_bytes_ext_get}, 2349}; 2350 2351/* external widget init - used for any driver specific init */ 2352static int sof_dspless_widget_ready(struct snd_soc_component *scomp, int index, 2353 struct snd_soc_dapm_widget *w, 2354 struct snd_soc_tplg_dapm_widget *tw) 2355{ 2356 if (WIDGET_IS_DAI(w->id)) { 2357 static const struct sof_topology_token dai_tokens[] = { 2358 {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type, 0}}; 2359 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 2360 struct snd_soc_tplg_private *priv = &tw->priv; 2361 struct snd_sof_widget *swidget; 2362 struct snd_sof_dai *sdai; 2363 int ret; 2364 2365 swidget = kzalloc(sizeof(*swidget), GFP_KERNEL); 2366 if (!swidget) 2367 return -ENOMEM; 2368 2369 sdai = kzalloc(sizeof(*sdai), GFP_KERNEL); 2370 if (!sdai) { 2371 kfree(swidget); 2372 return -ENOMEM; 2373 } 2374 2375 ret = sof_parse_tokens(scomp, &sdai->type, dai_tokens, ARRAY_SIZE(dai_tokens), 2376 priv->array, le32_to_cpu(priv->size)); 2377 if (ret < 0) { 2378 dev_err(scomp->dev, "Failed to parse DAI tokens for %s\n", tw->name); 2379 kfree(swidget); 2380 kfree(sdai); 2381 return ret; 2382 } 2383 2384 ret = sof_connect_dai_widget(scomp, w, tw, sdai); 2385 if (ret) { 2386 kfree(swidget); 2387 kfree(sdai); 2388 return ret; 2389 } 2390 2391 swidget->scomp = scomp; 2392 swidget->widget = w; 2393 swidget->private = sdai; 2394 mutex_init(&swidget->setup_mutex); 2395 w->dobj.private = swidget; 2396 list_add(&swidget->list, &sdev->widget_list); 2397 } 2398 2399 return 0; 2400} 2401 2402static int sof_dspless_widget_unload(struct snd_soc_component *scomp, 2403 struct snd_soc_dobj *dobj) 2404{ 2405 struct snd_soc_dapm_widget *w = container_of(dobj, struct snd_soc_dapm_widget, dobj); 2406 2407 if (WIDGET_IS_DAI(w->id)) { 2408 struct snd_sof_widget *swidget = dobj->private; 2409 2410 sof_disconnect_dai_widget(scomp, w); 2411 2412 if (!swidget) 2413 return 0; 2414 2415 /* remove and free swidget object */ 2416 list_del(&swidget->list); 2417 kfree(swidget->private); 2418 kfree(swidget); 2419 } 2420 2421 return 0; 2422} 2423 2424static int sof_dspless_link_load(struct snd_soc_component *scomp, int index, 2425 struct snd_soc_dai_link *link, 2426 struct snd_soc_tplg_link_config *cfg) 2427{ 2428 link->platforms->name = dev_name(scomp->dev); 2429 2430 /* Set nonatomic property for FE dai links for FE-BE compatibility */ 2431 if (!link->no_pcm) 2432 link->nonatomic = true; 2433 2434 return 0; 2435} 2436 2437static struct snd_soc_tplg_ops sof_dspless_tplg_ops = { 2438 /* external widget init - used for any driver specific init */ 2439 .widget_ready = sof_dspless_widget_ready, 2440 .widget_unload = sof_dspless_widget_unload, 2441 2442 /* FE DAI - used for any driver specific init */ 2443 .dai_load = sof_dai_load, 2444 .dai_unload = sof_dai_unload, 2445 2446 /* DAI link - used for any driver specific init */ 2447 .link_load = sof_dspless_link_load, 2448 2449 /* vendor specific kcontrol handlers available for binding */ 2450 .io_ops = sof_dspless_io_ops, 2451 .io_ops_count = ARRAY_SIZE(sof_dspless_io_ops), 2452 2453 /* vendor specific bytes ext handlers available for binding */ 2454 .bytes_ext_ops = sof_dspless_bytes_ext_ops, 2455 .bytes_ext_ops_count = ARRAY_SIZE(sof_dspless_bytes_ext_ops), 2456}; 2457 2458int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file) 2459{ 2460 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); 2461 const struct firmware *fw; 2462 int ret; 2463 2464 dev_dbg(scomp->dev, "loading topology:%s\n", file); 2465 2466 ret = request_firmware(&fw, file, scomp->dev); 2467 if (ret < 0) { 2468 dev_err(scomp->dev, "error: tplg request firmware %s failed err: %d\n", 2469 file, ret); 2470 dev_err(scomp->dev, 2471 "you may need to download the firmware from https://github.com/thesofproject/sof-bin/\n"); 2472 return ret; 2473 } 2474 2475 if (sdev->dspless_mode_selected) 2476 ret = snd_soc_tplg_component_load(scomp, &sof_dspless_tplg_ops, fw); 2477 else 2478 ret = snd_soc_tplg_component_load(scomp, &sof_tplg_ops, fw); 2479 2480 if (ret < 0) { 2481 dev_err(scomp->dev, "error: tplg component load failed %d\n", 2482 ret); 2483 ret = -EINVAL; 2484 } 2485 2486 release_firmware(fw); 2487 2488 if (ret >= 0 && sdev->led_present) 2489 ret = snd_ctl_led_request(); 2490 2491 return ret; 2492} 2493EXPORT_SYMBOL(snd_sof_load_topology); 2494