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