sound/soc/sof/topology.c

   1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
   2 //
   3 // This file is provided under a dual BSD/GPLv2 license.  When using or
   4 // redistributing this file, you may do so under either license.
   5 //
   6 // Copyright(c) 2018 Intel Corporation. All rights reserved.
   7 //
   8 // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
   9 //
  10
  11 #include <linux/bits.h>
  12 #include <linux/device.h>
  13 #include <linux/errno.h>
  14 #include <linux/firmware.h>
  15 #include <linux/workqueue.h>
  16 #include <sound/tlv.h>
  17 #include <uapi/sound/sof/tokens.h>
  18 #include "sof-priv.h"
  19 #include "sof-audio.h"
  20 #include "ops.h"
  21
  22 #define COMP_ID_UNASSIGNED              0xffffffff
  23 /*
  24  * Constants used in the computation of linear volume gain
  25  * from dB gain 20th root of 10 in Q1.16 fixed-point notation
  26  */
  27 #define VOL_TWENTIETH_ROOT_OF_TEN       73533
  28 /* 40th root of 10 in Q1.16 fixed-point notation*/
  29 #define VOL_FORTIETH_ROOT_OF_TEN        69419
  30
  31 /* 0.5 dB step value in topology TLV */
  32 #define VOL_HALF_DB_STEP        50
  33
  34 /* TLV data items */
  35 #define TLV_MIN         0
  36 #define TLV_STEP        1
  37 #define TLV_MUTE        2
  38
  39 /**
  40  * sof_update_ipc_object - Parse multiple sets of tokens within the token array associated with the
  41  *                          token ID.
  42  * @scomp: pointer to SOC component
  43  * @object: target IPC struct to save the parsed values
  44  * @token_id: token ID for the token array to be searched
  45  * @tuples: pointer to the tuples array
  46  * @num_tuples: number of tuples in the tuples array
  47  * @object_size: size of the object
  48  * @token_instance_num: number of times the same @token_id needs to be parsed i.e. the function
  49  *                      looks for @token_instance_num of each token in the token array associated
  50  *                      with the @token_id
  51  */
  52 int sof_update_ipc_object(struct snd_soc_component *scomp, void *object, enum sof_tokens token_id,
  53                           struct snd_sof_tuple *tuples, int num_tuples,
  54                           size_t object_size, int token_instance_num)
  55 {
  56         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
  57         const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
  58         const struct sof_token_info *token_list;
  59         const struct sof_topology_token *tokens;
  60         int i, j;
  61
  62         token_list = tplg_ops ? tplg_ops->token_list : NULL;
  63         /* nothing to do if token_list is NULL */
  64         if (!token_list)
  65                 return 0;
  66
  67         if (token_list[token_id].count < 0) {
  68                 dev_err(scomp->dev, "Invalid token count for token ID: %d\n", token_id);
  69                 return -EINVAL;
  70         }
  71
  72         /* No tokens to match */
  73         if (!token_list[token_id].count)
  74                 return 0;
  75
  76         tokens = token_list[token_id].tokens;
  77         if (!tokens) {
  78                 dev_err(scomp->dev, "Invalid tokens for token id: %d\n", token_id);
  79                 return -EINVAL;
  80         }
  81
  82         for (i = 0; i < token_list[token_id].count; i++) {
  83                 int offset = 0;
  84                 int num_tokens_matched = 0;
  85
  86                 for (j = 0; j < num_tuples; j++) {
  87                         if (tokens[i].token == tuples[j].token) {
  88                                 switch (tokens[i].type) {
  89                                 case SND_SOC_TPLG_TUPLE_TYPE_WORD:
  90                                 {
  91                                         u32 *val = (u32 *)((u8 *)object + tokens[i].offset +
  92                                                            offset);
  93
  94                                         *val = tuples[j].value.v;
  95                                         break;
  96                                 }
  97                                 case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
  98                                 case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
  99                                 {
 100                                         u16 *val = (u16 *)((u8 *)object + tokens[i].offset +
 101                                                             offset);
 102
 103                                         *val = (u16)tuples[j].value.v;
 104                                         break;
 105                                 }
 106                                 case SND_SOC_TPLG_TUPLE_TYPE_STRING:
 107                                 {
 108                                         if (!tokens[i].get_token) {
 109                                                 dev_err(scomp->dev,
 110                                                         "get_token not defined for token %d in %s\n",
 111                                                         tokens[i].token, token_list[token_id].name);
 112                                                 return -EINVAL;
 113                                         }
 114
 115                                         tokens[i].get_token((void *)tuples[j].value.s, object,
 116                                                             tokens[i].offset + offset);
 117                                         break;
 118                                 }
 119                                 default:
 120                                         break;
 121                                 }
 122
 123                                 num_tokens_matched++;
 124
 125                                 /* found all required sets of current token. Move to the next one */
 126                                 if (!(num_tokens_matched % token_instance_num))
 127                                         break;
 128
 129                                 /* move to the next object */
 130                                 offset += object_size;
 131                         }
 132                 }
 133         }
 134
 135         return 0;
 136 }
 137
 138 static inline int get_tlv_data(const int *p, int tlv[SOF_TLV_ITEMS])
 139 {
 140         /* we only support dB scale TLV type at the moment */
 141         if ((int)p[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
 142                 return -EINVAL;
 143
 144         /* min value in topology tlv data is multiplied by 100 */
 145         tlv[TLV_MIN] = (int)p[SNDRV_CTL_TLVO_DB_SCALE_MIN] / 100;
 146
 147         /* volume steps */
 148         tlv[TLV_STEP] = (int)(p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
 149                                 TLV_DB_SCALE_MASK);
 150
 151         /* mute ON/OFF */
 152         if ((p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
 153                 TLV_DB_SCALE_MUTE) == 0)
 154                 tlv[TLV_MUTE] = 0;
 155         else
 156                 tlv[TLV_MUTE] = 1;
 157
 158         return 0;
 159 }
 160
 161 /*
 162  * Function to truncate an unsigned 64-bit number
 163  * by x bits and return 32-bit unsigned number. This
 164  * function also takes care of rounding while truncating
 165  */
 166 static inline u32 vol_shift_64(u64 i, u32 x)
 167 {
 168         /* do not truncate more than 32 bits */
 169         if (x > 32)
 170                 x = 32;
 171
 172         if (x == 0)
 173                 return (u32)i;
 174
 175         return (u32)(((i >> (x - 1)) + 1) >> 1);
 176 }
 177
 178 /*
 179  * Function to compute a ^ exp where,
 180  * a is a fractional number represented by a fixed-point
 181  * integer with a fractional world length of "fwl"
 182  * exp is an integer
 183  * fwl is the fractional word length
 184  * Return value is a fractional number represented by a
 185  * fixed-point integer with a fractional word length of "fwl"
 186  */
 187 static u32 vol_pow32(u32 a, int exp, u32 fwl)
 188 {
 189         int i, iter;
 190         u32 power = 1 << fwl;
 191         u64 numerator;
 192
 193         /* if exponent is 0, return 1 */
 194         if (exp == 0)
 195                 return power;
 196
 197         /* determine the number of iterations based on the exponent */
 198         if (exp < 0)
 199                 iter = exp * -1;
 200         else
 201                 iter = exp;
 202
 203         /* mutiply a "iter" times to compute power */
 204         for (i = 0; i < iter; i++) {
 205                 /*
 206                  * Product of 2 Qx.fwl fixed-point numbers yields a Q2*x.2*fwl
 207                  * Truncate product back to fwl fractional bits with rounding
 208                  */
 209                 power = vol_shift_64((u64)power * a, fwl);
 210         }
 211
 212         if (exp > 0) {
 213                 /* if exp is positive, return the result */
 214                 return power;
 215         }
 216
 217         /* if exp is negative, return the multiplicative inverse */
 218         numerator = (u64)1 << (fwl << 1);
 219         do_div(numerator, power);
 220
 221         return (u32)numerator;
 222 }
 223
 224 /*
 225  * Function to calculate volume gain from TLV data.
 226  * This function can only handle gain steps that are multiples of 0.5 dB
 227  */
 228 u32 vol_compute_gain(u32 value, int *tlv)
 229 {
 230         int dB_gain;
 231         u32 linear_gain;
 232         int f_step;
 233
 234         /* mute volume */
 235         if (value == 0 && tlv[TLV_MUTE])
 236                 return 0;
 237
 238         /*
 239          * compute dB gain from tlv. tlv_step
 240          * in topology is multiplied by 100
 241          */
 242         dB_gain = tlv[TLV_MIN] + (value * tlv[TLV_STEP]) / 100;
 243
 244         /*
 245          * compute linear gain represented by fixed-point
 246          * int with VOLUME_FWL fractional bits
 247          */
 248         linear_gain = vol_pow32(VOL_TWENTIETH_ROOT_OF_TEN, dB_gain, VOLUME_FWL);
 249
 250         /* extract the fractional part of volume step */
 251         f_step = tlv[TLV_STEP] - (tlv[TLV_STEP] / 100);
 252
 253         /* if volume step is an odd multiple of 0.5 dB */
 254         if (f_step == VOL_HALF_DB_STEP && (value & 1))
 255                 linear_gain = vol_shift_64((u64)linear_gain *
 256                                                   VOL_FORTIETH_ROOT_OF_TEN,
 257                                                   VOLUME_FWL);
 258
 259         return linear_gain;
 260 }
 261
 262 /*
 263  * Set up volume table for kcontrols from tlv data
 264  * "size" specifies the number of entries in the table
 265  */
 266 static int set_up_volume_table(struct snd_sof_control *scontrol,
 267                                int tlv[SOF_TLV_ITEMS], int size)
 268 {
 269         struct snd_soc_component *scomp = scontrol->scomp;
 270         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 271         const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 272
 273         if (tplg_ops && tplg_ops->control && tplg_ops->control->set_up_volume_table)
 274                 return tplg_ops->control->set_up_volume_table(scontrol, tlv, size);
 275
 276         dev_err(scomp->dev, "Mandatory op %s not set\n", __func__);
 277         return -EINVAL;
 278 }
 279
 280 struct sof_dai_types {
 281         const char *name;
 282         enum sof_ipc_dai_type type;
 283 };
 284
 285 static const struct sof_dai_types sof_dais[] = {
 286         {"SSP", SOF_DAI_INTEL_SSP},
 287         {"HDA", SOF_DAI_INTEL_HDA},
 288         {"DMIC", SOF_DAI_INTEL_DMIC},
 289         {"ALH", SOF_DAI_INTEL_ALH},
 290         {"SAI", SOF_DAI_IMX_SAI},
 291         {"ESAI", SOF_DAI_IMX_ESAI},
 292         {"ACP", SOF_DAI_AMD_BT},
 293         {"ACPSP", SOF_DAI_AMD_SP},
 294         {"ACPDMIC", SOF_DAI_AMD_DMIC},
 295         {"ACPHS", SOF_DAI_AMD_HS},
 296         {"AFE", SOF_DAI_MEDIATEK_AFE},
 297         {"ACPSP_VIRTUAL", SOF_DAI_AMD_SP_VIRTUAL},
 298         {"ACPHS_VIRTUAL", SOF_DAI_AMD_HS_VIRTUAL},
 299
 300 };
 301
 302 static enum sof_ipc_dai_type find_dai(const char *name)
 303 {
 304         int i;
 305
 306         for (i = 0; i < ARRAY_SIZE(sof_dais); i++) {
 307                 if (strcmp(name, sof_dais[i].name) == 0)
 308                         return sof_dais[i].type;
 309         }
 310
 311         return SOF_DAI_INTEL_NONE;
 312 }
 313
 314 /*
 315  * Supported Frame format types and lookup, add new ones to end of list.
 316  */
 317
 318 struct sof_frame_types {
 319         const char *name;
 320         enum sof_ipc_frame frame;
 321 };
 322
 323 static const struct sof_frame_types sof_frames[] = {
 324         {"s16le", SOF_IPC_FRAME_S16_LE},
 325         {"s24le", SOF_IPC_FRAME_S24_4LE},
 326         {"s32le", SOF_IPC_FRAME_S32_LE},
 327         {"float", SOF_IPC_FRAME_FLOAT},
 328 };
 329
 330 static enum sof_ipc_frame find_format(const char *name)
 331 {
 332         int i;
 333
 334         for (i = 0; i < ARRAY_SIZE(sof_frames); i++) {
 335                 if (strcmp(name, sof_frames[i].name) == 0)
 336                         return sof_frames[i].frame;
 337         }
 338
 339         /* use s32le if nothing is specified */
 340         return SOF_IPC_FRAME_S32_LE;
 341 }
 342
 343 int get_token_u32(void *elem, void *object, u32 offset)
 344 {
 345         struct snd_soc_tplg_vendor_value_elem *velem = elem;
 346         u32 *val = (u32 *)((u8 *)object + offset);
 347
 348         *val = le32_to_cpu(velem->value);
 349         return 0;
 350 }
 351
 352 int get_token_u16(void *elem, void *object, u32 offset)
 353 {
 354         struct snd_soc_tplg_vendor_value_elem *velem = elem;
 355         u16 *val = (u16 *)((u8 *)object + offset);
 356
 357         *val = (u16)le32_to_cpu(velem->value);
 358         return 0;
 359 }
 360
 361 int get_token_uuid(void *elem, void *object, u32 offset)
 362 {
 363         struct snd_soc_tplg_vendor_uuid_elem *velem = elem;
 364         u8 *dst = (u8 *)object + offset;
 365
 366         memcpy(dst, velem->uuid, UUID_SIZE);
 367
 368         return 0;
 369 }
 370
 371 /*
 372  * The string gets from topology will be stored in heap, the owner only
 373  * holds a char* member point to the heap.
 374  */
 375 int get_token_string(void *elem, void *object, u32 offset)
 376 {
 377         /* "dst" here points to the char* member of the owner */
 378         char **dst = (char **)((u8 *)object + offset);
 379
 380         *dst = kstrdup(elem, GFP_KERNEL);
 381         if (!*dst)
 382                 return -ENOMEM;
 383         return 0;
 384 };
 385
 386 int get_token_comp_format(void *elem, void *object, u32 offset)
 387 {
 388         u32 *val = (u32 *)((u8 *)object + offset);
 389
 390         *val = find_format((const char *)elem);
 391         return 0;
 392 }
 393
 394 int get_token_dai_type(void *elem, void *object, u32 offset)
 395 {
 396         u32 *val = (u32 *)((u8 *)object + offset);
 397
 398         *val = find_dai((const char *)elem);
 399         return 0;
 400 }
 401
 402 /* PCM */
 403 static const struct sof_topology_token stream_tokens[] = {
 404         {SOF_TKN_STREAM_PLAYBACK_COMPATIBLE_D0I3, SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
 405                 offsetof(struct snd_sof_pcm, stream[0].d0i3_compatible)},
 406         {SOF_TKN_STREAM_CAPTURE_COMPATIBLE_D0I3, SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
 407                 offsetof(struct snd_sof_pcm, stream[1].d0i3_compatible)},
 408 };
 409
 410 /* Leds */
 411 static const struct sof_topology_token led_tokens[] = {
 412         {SOF_TKN_MUTE_LED_USE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 413                 offsetof(struct snd_sof_led_control, use_led)},
 414         {SOF_TKN_MUTE_LED_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 415                 offsetof(struct snd_sof_led_control, direction)},
 416 };
 417
 418 static const struct sof_topology_token comp_pin_tokens[] = {
 419         {SOF_TKN_COMP_NUM_INPUT_PINS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 420                 offsetof(struct snd_sof_widget, num_input_pins)},
 421         {SOF_TKN_COMP_NUM_OUTPUT_PINS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 422                 offsetof(struct snd_sof_widget, num_output_pins)},
 423 };
 424
 425 static const struct sof_topology_token comp_input_pin_binding_tokens[] = {
 426         {SOF_TKN_COMP_INPUT_PIN_BINDING_WNAME, SND_SOC_TPLG_TUPLE_TYPE_STRING,
 427                 get_token_string, 0},
 428 };
 429
 430 static const struct sof_topology_token comp_output_pin_binding_tokens[] = {
 431         {SOF_TKN_COMP_OUTPUT_PIN_BINDING_WNAME, SND_SOC_TPLG_TUPLE_TYPE_STRING,
 432                 get_token_string, 0},
 433 };
 434
 435 /**
 436  * sof_parse_uuid_tokens - Parse multiple sets of UUID tokens
 437  * @scomp: pointer to soc component
 438  * @object: target ipc struct for parsed values
 439  * @offset: offset within the object pointer
 440  * @tokens: array of struct sof_topology_token containing the tokens to be matched
 441  * @num_tokens: number of tokens in tokens array
 442  * @array: source pointer to consecutive vendor arrays in topology
 443  *
 444  * This function parses multiple sets of string type tokens in vendor arrays
 445  */
 446 static int sof_parse_uuid_tokens(struct snd_soc_component *scomp,
 447                                   void *object, size_t offset,
 448                                   const struct sof_topology_token *tokens, int num_tokens,
 449                                   struct snd_soc_tplg_vendor_array *array)
 450 {
 451         struct snd_soc_tplg_vendor_uuid_elem *elem;
 452         int found = 0;
 453         int i, j;
 454
 455         /* parse element by element */
 456         for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
 457                 elem = &array->uuid[i];
 458
 459                 /* search for token */
 460                 for (j = 0; j < num_tokens; j++) {
 461                         /* match token type */
 462                         if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_UUID)
 463                                 continue;
 464
 465                         /* match token id */
 466                         if (tokens[j].token != le32_to_cpu(elem->token))
 467                                 continue;
 468
 469                         /* matched - now load token */
 470                         tokens[j].get_token(elem, object,
 471                                             offset + tokens[j].offset);
 472
 473                         found++;
 474                 }
 475         }
 476
 477         return found;
 478 }
 479
 480 /**
 481  * sof_copy_tuples - Parse tokens and copy them to the @tuples array
 482  * @sdev: pointer to struct snd_sof_dev
 483  * @array: source pointer to consecutive vendor arrays in topology
 484  * @array_size: size of @array
 485  * @token_id: Token ID associated with a token array
 486  * @token_instance_num: number of times the same @token_id needs to be parsed i.e. the function
 487  *                      looks for @token_instance_num of each token in the token array associated
 488  *                      with the @token_id
 489  * @tuples: tuples array to copy the matched tuples to
 490  * @tuples_size: size of @tuples
 491  * @num_copied_tuples: pointer to the number of copied tuples in the tuples array
 492  *
 493  */
 494 static int sof_copy_tuples(struct snd_sof_dev *sdev, struct snd_soc_tplg_vendor_array *array,
 495                            int array_size, u32 token_id, int token_instance_num,
 496                            struct snd_sof_tuple *tuples, int tuples_size, int *num_copied_tuples)
 497 {
 498         const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
 499         const struct sof_token_info *token_list;
 500         const struct sof_topology_token *tokens;
 501         int found = 0;
 502         int num_tokens, asize;
 503         int i, j;
 504
 505         token_list = tplg_ops ? tplg_ops->token_list : NULL;
 506         /* nothing to do if token_list is NULL */
 507         if (!token_list)
 508                 return 0;
 509
 510         if (!tuples || !num_copied_tuples) {
 511                 dev_err(sdev->dev, "Invalid tuples array\n");
 512                 return -EINVAL;
 513         }
 514
 515         tokens = token_list[token_id].tokens;
 516         num_tokens = token_list[token_id].count;
 517
 518         if (!tokens) {
 519                 dev_err(sdev->dev, "No token array defined for token ID: %d\n", token_id);
 520                 return -EINVAL;
 521         }
 522
 523         /* check if there's space in the tuples array for new tokens */
 524         if (*num_copied_tuples >= tuples_size) {
 525                 dev_err(sdev->dev, "No space in tuples array for new tokens from %s",
 526                         token_list[token_id].name);
 527                 return -EINVAL;
 528         }
 529
 530         while (array_size > 0 && found < num_tokens * token_instance_num) {
 531                 asize = le32_to_cpu(array->size);
 532
 533                 /* validate asize */
 534                 if (asize < 0) {
 535                         dev_err(sdev->dev, "Invalid array size 0x%x\n", asize);
 536                         return -EINVAL;
 537                 }
 538
 539                 /* make sure there is enough data before parsing */
 540                 array_size -= asize;
 541                 if (array_size < 0) {
 542                         dev_err(sdev->dev, "Invalid array size 0x%x\n", asize);
 543                         return -EINVAL;
 544                 }
 545
 546                 /* parse element by element */
 547                 for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
 548                         /* search for token */
 549                         for (j = 0; j < num_tokens; j++) {
 550                                 /* match token type */
 551                                 if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD ||
 552                                       tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT ||
 553                                       tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE ||
 554                                       tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL ||
 555                                       tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_STRING))
 556                                         continue;
 557
 558                                 if (tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_STRING) {
 559                                         struct snd_soc_tplg_vendor_string_elem *elem;
 560
 561                                         elem = &array->string[i];
 562
 563                                         /* match token id */
 564                                         if (tokens[j].token != le32_to_cpu(elem->token))
 565                                                 continue;
 566
 567                                         tuples[*num_copied_tuples].token = tokens[j].token;
 568                                         tuples[*num_copied_tuples].value.s = elem->string;
 569                                 } else {
 570                                         struct snd_soc_tplg_vendor_value_elem *elem;
 571
 572                                         elem = &array->value[i];
 573
 574                                         /* match token id */
 575                                         if (tokens[j].token != le32_to_cpu(elem->token))
 576                                                 continue;
 577
 578                                         tuples[*num_copied_tuples].token = tokens[j].token;
 579                                         tuples[*num_copied_tuples].value.v =
 580                                                 le32_to_cpu(elem->value);
 581                                 }
 582                                 found++;
 583                                 (*num_copied_tuples)++;
 584
 585                                 /* stop if there's no space for any more new tuples */
 586                                 if (*num_copied_tuples == tuples_size)
 587                                         return 0;
 588                         }
 589                 }
 590
 591                 /* next array */
 592                 array = (struct snd_soc_tplg_vendor_array *)((u8 *)array + asize);
 593         }
 594
 595         return 0;
 596 }
 597
 598 /**
 599  * sof_parse_string_tokens - Parse multiple sets of tokens
 600  * @scomp: pointer to soc component
 601  * @object: target ipc struct for parsed values
 602  * @offset: offset within the object pointer
 603  * @tokens: array of struct sof_topology_token containing the tokens to be matched
 604  * @num_tokens: number of tokens in tokens array
 605  * @array: source pointer to consecutive vendor arrays in topology
 606  *
 607  * This function parses multiple sets of string type tokens in vendor arrays
 608  */
 609 static int sof_parse_string_tokens(struct snd_soc_component *scomp,
 610                                    void *object, int offset,
 611                                    const struct sof_topology_token *tokens, int num_tokens,
 612                                    struct snd_soc_tplg_vendor_array *array)
 613 {
 614         struct snd_soc_tplg_vendor_string_elem *elem;
 615         int found = 0;
 616         int i, j, ret;
 617
 618         /* parse element by element */
 619         for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
 620                 elem = &array->string[i];
 621
 622                 /* search for token */
 623                 for (j = 0; j < num_tokens; j++) {
 624                         /* match token type */
 625                         if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_STRING)
 626                                 continue;
 627
 628                         /* match token id */
 629                         if (tokens[j].token != le32_to_cpu(elem->token))
 630                                 continue;
 631
 632                         /* matched - now load token */
 633                         ret = tokens[j].get_token(elem->string, object, offset + tokens[j].offset);
 634                         if (ret < 0)
 635                                 return ret;
 636
 637                         found++;
 638                 }
 639         }
 640
 641         return found;
 642 }
 643
 644 /**
 645  * sof_parse_word_tokens - Parse multiple sets of tokens
 646  * @scomp: pointer to soc component
 647  * @object: target ipc struct for parsed values
 648  * @offset: offset within the object pointer
 649  * @tokens: array of struct sof_topology_token containing the tokens to be matched
 650  * @num_tokens: number of tokens in tokens array
 651  * @array: source pointer to consecutive vendor arrays in topology
 652  *
 653  * This function parses multiple sets of word type tokens in vendor arrays
 654  */
 655 static int sof_parse_word_tokens(struct snd_soc_component *scomp,
 656                                   void *object, int offset,
 657                                   const struct sof_topology_token *tokens, int num_tokens,
 658                                   struct snd_soc_tplg_vendor_array *array)
 659 {
 660         struct snd_soc_tplg_vendor_value_elem *elem;
 661         int found = 0;
 662         int i, j;
 663
 664         /* parse element by element */
 665         for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
 666                 elem = &array->value[i];
 667
 668                 /* search for token */
 669                 for (j = 0; j < num_tokens; j++) {
 670                         /* match token type */
 671                         if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD ||
 672                               tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT ||
 673                               tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE ||
 674                               tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL))
 675                                 continue;
 676
 677                         /* match token id */
 678                         if (tokens[j].token != le32_to_cpu(elem->token))
 679                                 continue;
 680
 681                         /* load token */
 682                         tokens[j].get_token(elem, object, offset + tokens[j].offset);
 683
 684                         found++;
 685                 }
 686         }
 687
 688         return found;
 689 }
 690
 691 /**
 692  * sof_parse_token_sets - Parse multiple sets of tokens
 693  * @scomp: pointer to soc component
 694  * @object: target ipc struct for parsed values
 695  * @tokens: token definition array describing what tokens to parse
 696  * @count: number of tokens in definition array
 697  * @array: source pointer to consecutive vendor arrays in topology
 698  * @array_size: total size of @array
 699  * @token_instance_num: number of times the same tokens needs to be parsed i.e. the function
 700  *                      looks for @token_instance_num of each token in the @tokens
 701  * @object_size: offset to next target ipc struct with multiple sets
 702  *
 703  * This function parses multiple sets of tokens in vendor arrays into
 704  * consecutive ipc structs.
 705  */
 706 static int sof_parse_token_sets(struct snd_soc_component *scomp,
 707                                 void *object, const struct sof_topology_token *tokens,
 708                                 int count, struct snd_soc_tplg_vendor_array *array,
 709                                 int array_size, int token_instance_num, size_t object_size)
 710 {
 711         size_t offset = 0;
 712         int found = 0;
 713         int total = 0;
 714         int asize;
 715         int ret;
 716
 717         while (array_size > 0 && total < count * token_instance_num) {
 718                 asize = le32_to_cpu(array->size);
 719
 720                 /* validate asize */
 721                 if (asize < 0) { /* FIXME: A zero-size array makes no sense */
 722                         dev_err(scomp->dev, "error: invalid array size 0x%x\n",
 723                                 asize);
 724                         return -EINVAL;
 725                 }
 726
 727                 /* make sure there is enough data before parsing */
 728                 array_size -= asize;
 729                 if (array_size < 0) {
 730                         dev_err(scomp->dev, "error: invalid array size 0x%x\n",
 731                                 asize);
 732                         return -EINVAL;
 733                 }
 734
 735                 /* call correct parser depending on type */
 736                 switch (le32_to_cpu(array->type)) {
 737                 case SND_SOC_TPLG_TUPLE_TYPE_UUID:
 738                         found += sof_parse_uuid_tokens(scomp, object, offset, tokens, count,
 739                                                        array);
 740                         break;
 741                 case SND_SOC_TPLG_TUPLE_TYPE_STRING:
 742
 743                         ret = sof_parse_string_tokens(scomp, object, offset, tokens, count,
 744                                                       array);
 745                         if (ret < 0) {
 746                                 dev_err(scomp->dev, "error: no memory to copy string token\n");
 747                                 return ret;
 748                         }
 749
 750                         found += ret;
 751                         break;
 752                 case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
 753                 case SND_SOC_TPLG_TUPLE_TYPE_BYTE:
 754                 case SND_SOC_TPLG_TUPLE_TYPE_WORD:
 755                 case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
 756                         found += sof_parse_word_tokens(scomp, object, offset, tokens, count,
 757                                                        array);
 758                         break;
 759                 default:
 760                         dev_err(scomp->dev, "error: unknown token type %d\n",
 761                                 array->type);
 762                         return -EINVAL;
 763                 }
 764
 765                 /* next array */
 766                 array = (struct snd_soc_tplg_vendor_array *)((u8 *)array
 767                         + asize);
 768
 769                 /* move to next target struct */
 770                 if (found >= count) {
 771                         offset += object_size;
 772                         total += found;
 773                         found = 0;
 774                 }
 775         }
 776
 777         return 0;
 778 }
 779
 780 /**
 781  * sof_parse_tokens - Parse one set of tokens
 782  * @scomp: pointer to soc component
 783  * @object: target ipc struct for parsed values
 784  * @tokens: token definition array describing what tokens to parse
 785  * @num_tokens: number of tokens in definition array
 786  * @array: source pointer to consecutive vendor arrays in topology
 787  * @array_size: total size of @array
 788  *
 789  * This function parses a single set of tokens in vendor arrays into
 790  * consecutive ipc structs.
 791  */
 792 static int sof_parse_tokens(struct snd_soc_component *scomp,  void *object,
 793                             const struct sof_topology_token *tokens, int num_tokens,
 794                             struct snd_soc_tplg_vendor_array *array,
 795                             int array_size)
 796
 797 {
 798         /*
 799          * sof_parse_tokens is used when topology contains only a single set of
 800          * identical tuples arrays. So additional parameters to
 801          * sof_parse_token_sets are sets = 1 (only 1 set) and
 802          * object_size = 0 (irrelevant).
 803          */
 804         return sof_parse_token_sets(scomp, object, tokens, num_tokens, array,
 805                                     array_size, 1, 0);
 806 }
 807
 808 /*
 809  * Standard Kcontrols.
 810  */
 811
 812 static int sof_control_load_volume(struct snd_soc_component *scomp,
 813                                    struct snd_sof_control *scontrol,
 814                                    struct snd_kcontrol_new *kc,
 815                                    struct snd_soc_tplg_ctl_hdr *hdr)
 816 {
 817         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 818         struct snd_soc_tplg_mixer_control *mc =
 819                 container_of(hdr, struct snd_soc_tplg_mixer_control, hdr);
 820         int tlv[SOF_TLV_ITEMS];
 821         unsigned int mask;
 822         int ret;
 823
 824         /* validate topology data */
 825         if (le32_to_cpu(mc->num_channels) > SND_SOC_TPLG_MAX_CHAN)
 826                 return -EINVAL;
 827
 828         /*
 829          * If control has more than 2 channels we need to override the info. This is because even if
 830          * ASoC layer has defined topology's max channel count to SND_SOC_TPLG_MAX_CHAN = 8, the
 831          * pre-defined dapm control types (and related functions) creating the actual control
 832          * restrict the channels only to mono or stereo.
 833          */
 834         if (le32_to_cpu(mc->num_channels) > 2)
 835                 kc->info = snd_sof_volume_info;
 836
 837         scontrol->comp_id = sdev->next_comp_id;
 838         scontrol->min_volume_step = le32_to_cpu(mc->min);
 839         scontrol->max_volume_step = le32_to_cpu(mc->max);
 840         scontrol->num_channels = le32_to_cpu(mc->num_channels);
 841
 842         scontrol->max = le32_to_cpu(mc->max);
 843         if (le32_to_cpu(mc->max) == 1)
 844                 goto skip;
 845
 846         /* extract tlv data */
 847         if (!kc->tlv.p || get_tlv_data(kc->tlv.p, tlv) < 0) {
 848                 dev_err(scomp->dev, "error: invalid TLV data\n");
 849                 return -EINVAL;
 850         }
 851
 852         /* set up volume table */
 853         ret = set_up_volume_table(scontrol, tlv, le32_to_cpu(mc->max) + 1);
 854         if (ret < 0) {
 855                 dev_err(scomp->dev, "error: setting up volume table\n");
 856                 return ret;
 857         }
 858
 859 skip:
 860         /* set up possible led control from mixer private data */
 861         ret = sof_parse_tokens(scomp, &scontrol->led_ctl, led_tokens,
 862                                ARRAY_SIZE(led_tokens), mc->priv.array,
 863                                le32_to_cpu(mc->priv.size));
 864         if (ret != 0) {
 865                 dev_err(scomp->dev, "error: parse led tokens failed %d\n",
 866                         le32_to_cpu(mc->priv.size));
 867                 goto err;
 868         }
 869
 870         if (scontrol->led_ctl.use_led) {
 871                 mask = scontrol->led_ctl.direction ? SNDRV_CTL_ELEM_ACCESS_MIC_LED :
 872                                                         SNDRV_CTL_ELEM_ACCESS_SPK_LED;
 873                 scontrol->access &= ~SNDRV_CTL_ELEM_ACCESS_LED_MASK;
 874                 scontrol->access |= mask;
 875                 kc->access &= ~SNDRV_CTL_ELEM_ACCESS_LED_MASK;
 876                 kc->access |= mask;
 877                 sdev->led_present = true;
 878         }
 879
 880         dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",
 881                 scontrol->comp_id, scontrol->num_channels);
 882
 883         return 0;
 884
 885 err:
 886         if (le32_to_cpu(mc->max) > 1)
 887                 kfree(scontrol->volume_table);
 888
 889         return ret;
 890 }
 891
 892 static int sof_control_load_enum(struct snd_soc_component *scomp,
 893                                  struct snd_sof_control *scontrol,
 894                                  struct snd_kcontrol_new *kc,
 895                                  struct snd_soc_tplg_ctl_hdr *hdr)
 896 {
 897         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 898         struct snd_soc_tplg_enum_control *ec =
 899                 container_of(hdr, struct snd_soc_tplg_enum_control, hdr);
 900
 901         /* validate topology data */
 902         if (le32_to_cpu(ec->num_channels) > SND_SOC_TPLG_MAX_CHAN)
 903                 return -EINVAL;
 904
 905         scontrol->comp_id = sdev->next_comp_id;
 906         scontrol->num_channels = le32_to_cpu(ec->num_channels);
 907
 908         dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n",
 909                 scontrol->comp_id, scontrol->num_channels, scontrol->comp_id);
 910
 911         return 0;
 912 }
 913
 914 static int sof_control_load_bytes(struct snd_soc_component *scomp,
 915                                   struct snd_sof_control *scontrol,
 916                                   struct snd_kcontrol_new *kc,
 917                                   struct snd_soc_tplg_ctl_hdr *hdr)
 918 {
 919         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 920         struct snd_soc_tplg_bytes_control *control =
 921                 container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
 922         struct soc_bytes_ext *sbe = (struct soc_bytes_ext *)kc->private_value;
 923         size_t priv_size = le32_to_cpu(control->priv.size);
 924
 925         scontrol->max_size = sbe->max;
 926         scontrol->comp_id = sdev->next_comp_id;
 927
 928         dev_dbg(scomp->dev, "tplg: load kcontrol index %d\n", scontrol->comp_id);
 929
 930         /* copy the private data */
 931         if (priv_size > 0) {
 932                 scontrol->priv = kmemdup(control->priv.data, priv_size, GFP_KERNEL);
 933                 if (!scontrol->priv)
 934                         return -ENOMEM;
 935
 936                 scontrol->priv_size = priv_size;
 937         }
 938
 939         return 0;
 940 }
 941
 942 /* external kcontrol init - used for any driver specific init */
 943 static int sof_control_load(struct snd_soc_component *scomp, int index,
 944                             struct snd_kcontrol_new *kc,
 945                             struct snd_soc_tplg_ctl_hdr *hdr)
 946 {
 947         struct soc_mixer_control *sm;
 948         struct soc_bytes_ext *sbe;
 949         struct soc_enum *se;
 950         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 951         struct snd_soc_dobj *dobj;
 952         struct snd_sof_control *scontrol;
 953         int ret;
 954
 955         dev_dbg(scomp->dev, "tplg: load control type %d name : %s\n",
 956                 hdr->type, hdr->name);
 957
 958         scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL);
 959         if (!scontrol)
 960                 return -ENOMEM;
 961
 962         scontrol->name = kstrdup(hdr->name, GFP_KERNEL);
 963         if (!scontrol->name) {
 964                 kfree(scontrol);
 965                 return -ENOMEM;
 966         }
 967
 968         scontrol->scomp = scomp;
 969         scontrol->access = kc->access;
 970         scontrol->info_type = le32_to_cpu(hdr->ops.info);
 971         scontrol->index = kc->index;
 972
 973         switch (le32_to_cpu(hdr->ops.info)) {
 974         case SND_SOC_TPLG_CTL_VOLSW:
 975         case SND_SOC_TPLG_CTL_VOLSW_SX:
 976         case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
 977                 sm = (struct soc_mixer_control *)kc->private_value;
 978                 dobj = &sm->dobj;
 979                 ret = sof_control_load_volume(scomp, scontrol, kc, hdr);
 980                 break;
 981         case SND_SOC_TPLG_CTL_BYTES:
 982                 sbe = (struct soc_bytes_ext *)kc->private_value;
 983                 dobj = &sbe->dobj;
 984                 ret = sof_control_load_bytes(scomp, scontrol, kc, hdr);
 985                 break;
 986         case SND_SOC_TPLG_CTL_ENUM:
 987         case SND_SOC_TPLG_CTL_ENUM_VALUE:
 988                 se = (struct soc_enum *)kc->private_value;
 989                 dobj = &se->dobj;
 990                 ret = sof_control_load_enum(scomp, scontrol, kc, hdr);
 991                 break;
 992         case SND_SOC_TPLG_CTL_RANGE:
 993         case SND_SOC_TPLG_CTL_STROBE:
 994         case SND_SOC_TPLG_DAPM_CTL_VOLSW:
 995         case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
 996         case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
 997         case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
 998         case SND_SOC_TPLG_DAPM_CTL_PIN:
 999         default:
1000                 dev_warn(scomp->dev, "control type not supported %d:%d:%d\n",
1001                          hdr->ops.get, hdr->ops.put, hdr->ops.info);
1002                 kfree(scontrol->name);
1003                 kfree(scontrol);
1004                 return 0;
1005         }
1006
1007         if (ret < 0) {
1008                 kfree(scontrol->name);
1009                 kfree(scontrol);
1010                 return ret;
1011         }
1012
1013         scontrol->led_ctl.led_value = -1;
1014
1015         dobj->private = scontrol;
1016         list_add(&scontrol->list, &sdev->kcontrol_list);
1017         return 0;
1018 }
1019
1020 static int sof_control_unload(struct snd_soc_component *scomp,
1021                               struct snd_soc_dobj *dobj)
1022 {
1023         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1024         const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
1025         struct snd_sof_control *scontrol = dobj->private;
1026         int ret = 0;
1027
1028         dev_dbg(scomp->dev, "tplg: unload control name : %s\n", scontrol->name);
1029
1030         if (tplg_ops && tplg_ops->control_free) {
1031                 ret = tplg_ops->control_free(sdev, scontrol);
1032                 if (ret < 0)
1033                         dev_err(scomp->dev, "failed to free control: %s\n", scontrol->name);
1034         }
1035
1036         /* free all data before returning in case of error too */
1037         kfree(scontrol->ipc_control_data);
1038         kfree(scontrol->priv);
1039         kfree(scontrol->name);
1040         list_del(&scontrol->list);
1041         kfree(scontrol);
1042
1043         return ret;
1044 }
1045
1046 /*
1047  * DAI Topology
1048  */
1049
1050 static int sof_connect_dai_widget(struct snd_soc_component *scomp,
1051                                   struct snd_soc_dapm_widget *w,
1052                                   struct snd_soc_tplg_dapm_widget *tw,
1053                                   struct snd_sof_dai *dai)
1054 {
1055         struct snd_soc_card *card = scomp->card;
1056         struct snd_soc_pcm_runtime *rtd;
1057         struct snd_soc_dai *cpu_dai;
1058         int stream;
1059         int i;
1060
1061         if (!w->sname) {
1062                 dev_err(scomp->dev, "Widget %s does not have stream\n", w->name);
1063                 return -EINVAL;
1064         }
1065
1066         if (w->id == snd_soc_dapm_dai_out)
1067                 stream = SNDRV_PCM_STREAM_CAPTURE;
1068         else if (w->id == snd_soc_dapm_dai_in)
1069                 stream = SNDRV_PCM_STREAM_PLAYBACK;
1070         else
1071                 goto end;
1072
1073         list_for_each_entry(rtd, &card->rtd_list, list) {
1074                 /* does stream match DAI link ? */
1075                 if (!rtd->dai_link->stream_name ||
1076                     strcmp(w->sname, rtd->dai_link->stream_name))
1077                         continue;
1078
1079                 for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
1080                         /*
1081                          * Please create DAI widget in the right order
1082                          * to ensure BE will connect to the right DAI
1083                          * widget.
1084                          */
1085                         if (!snd_soc_dai_get_widget(cpu_dai, stream)) {
1086                                 snd_soc_dai_set_widget(cpu_dai, stream, w);
1087                                 break;
1088                         }
1089                 }
1090                 if (i == rtd->dai_link->num_cpus) {
1091                         dev_err(scomp->dev, "error: can't find BE for DAI %s\n", w->name);
1092
1093                         return -EINVAL;
1094                 }
1095
1096                 dai->name = rtd->dai_link->name;
1097                 dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
1098                         w->name, rtd->dai_link->name);
1099         }
1100 end:
1101         /* check we have a connection */
1102         if (!dai->name) {
1103                 dev_err(scomp->dev, "error: can't connect DAI %s stream %s\n",
1104                         w->name, w->sname);
1105                 return -EINVAL;
1106         }
1107
1108         return 0;
1109 }
1110
1111 static void sof_disconnect_dai_widget(struct snd_soc_component *scomp,
1112                                       struct snd_soc_dapm_widget *w)
1113 {
1114         struct snd_soc_card *card = scomp->card;
1115         struct snd_soc_pcm_runtime *rtd;
1116         struct snd_soc_dai *cpu_dai;
1117         int i, stream;
1118
1119         if (!w->sname)
1120                 return;
1121
1122         if (w->id == snd_soc_dapm_dai_out)
1123                 stream = SNDRV_PCM_STREAM_CAPTURE;
1124         else if (w->id == snd_soc_dapm_dai_in)
1125                 stream = SNDRV_PCM_STREAM_PLAYBACK;
1126         else
1127                 return;
1128
1129         list_for_each_entry(rtd, &card->rtd_list, list) {
1130                 /* does stream match DAI link ? */
1131                 if (!rtd->dai_link->stream_name ||
1132                     strcmp(w->sname, rtd->dai_link->stream_name))
1133                         continue;
1134
1135                 for_each_rtd_cpu_dais(rtd, i, cpu_dai)
1136                         if (snd_soc_dai_get_widget(cpu_dai, stream) == w) {
1137                                 snd_soc_dai_set_widget(cpu_dai, stream, NULL);
1138                                 break;
1139                         }
1140         }
1141 }
1142
1143 /* bind PCM ID to host component ID */
1144 static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm,
1145                      int dir)
1146 {
1147         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1148         struct snd_sof_widget *host_widget;
1149
1150         if (sdev->dspless_mode_selected)
1151                 return 0;
1152
1153         host_widget = snd_sof_find_swidget_sname(scomp,
1154                                                  spcm->pcm.caps[dir].name,
1155                                                  dir);
1156         if (!host_widget) {
1157                 dev_err(scomp->dev, "can't find host comp to bind pcm\n");
1158                 return -EINVAL;
1159         }
1160
1161         spcm->stream[dir].comp_id = host_widget->comp_id;
1162
1163         return 0;
1164 }
1165
1166 static int sof_get_token_value(u32 token_id, struct snd_sof_tuple *tuples, int num_tuples)
1167 {
1168         int i;
1169
1170         if (!tuples)
1171                 return -EINVAL;
1172
1173         for (i = 0; i < num_tuples; i++) {
1174                 if (tuples[i].token == token_id)
1175                         return tuples[i].value.v;
1176         }
1177
1178         return -EINVAL;
1179 }
1180
1181 static int sof_widget_parse_tokens(struct snd_soc_component *scomp, struct snd_sof_widget *swidget,
1182                                    struct snd_soc_tplg_dapm_widget *tw,
1183                                    enum sof_tokens *object_token_list, int count)
1184 {
1185         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1186         const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
1187         struct snd_soc_tplg_private *private = &tw->priv;
1188         const struct sof_token_info *token_list;
1189         int num_tuples = 0;
1190         int ret, i;
1191
1192         token_list = tplg_ops ? tplg_ops->token_list : NULL;
1193         /* nothing to do if token_list is NULL */
1194         if (!token_list)
1195                 return 0;
1196
1197         if (count > 0 && !object_token_list) {
1198                 dev_err(scomp->dev, "No token list for widget %s\n", swidget->widget->name);
1199                 return -EINVAL;
1200         }
1201
1202         /* calculate max size of tuples array */
1203         for (i = 0; i < count; i++)
1204                 num_tuples += token_list[object_token_list[i]].count;
1205
1206         /* allocate memory for tuples array */
1207         swidget->tuples = kcalloc(num_tuples, sizeof(*swidget->tuples), GFP_KERNEL);
1208         if (!swidget->tuples)
1209                 return -ENOMEM;
1210
1211         /* parse token list for widget */
1212         for (i = 0; i < count; i++) {
1213                 int num_sets = 1;
1214
1215                 if (object_token_list[i] >= SOF_TOKEN_COUNT) {
1216                         dev_err(scomp->dev, "Invalid token id %d for widget %s\n",
1217                                 object_token_list[i], swidget->widget->name);
1218                         ret = -EINVAL;
1219                         goto err;
1220                 }
1221
1222                 switch (object_token_list[i]) {
1223                 case SOF_COMP_EXT_TOKENS:
1224                         /* parse and save UUID in swidget */
1225                         ret = sof_parse_tokens(scomp, swidget,
1226                                                token_list[object_token_list[i]].tokens,
1227                                                token_list[object_token_list[i]].count,
1228                                                private->array, le32_to_cpu(private->size));
1229                         if (ret < 0) {
1230                                 dev_err(scomp->dev, "Failed parsing %s for widget %s\n",
1231                                         token_list[object_token_list[i]].name,
1232                                         swidget->widget->name);
1233                                 goto err;
1234                         }
1235
1236                         continue;
1237                 case SOF_IN_AUDIO_FORMAT_TOKENS:
1238                         num_sets = sof_get_token_value(SOF_TKN_COMP_NUM_INPUT_AUDIO_FORMATS,
1239                                                        swidget->tuples, swidget->num_tuples);
1240                         if (num_sets < 0) {
1241                                 dev_err(sdev->dev, "Invalid input audio format count for %s\n",
1242                                         swidget->widget->name);
1243                                 ret = num_sets;
1244                                 goto err;
1245                         }
1246                         break;
1247                 case SOF_OUT_AUDIO_FORMAT_TOKENS:
1248                         num_sets = sof_get_token_value(SOF_TKN_COMP_NUM_OUTPUT_AUDIO_FORMATS,
1249                                                        swidget->tuples, swidget->num_tuples);
1250                         if (num_sets < 0) {
1251                                 dev_err(sdev->dev, "Invalid output audio format count for %s\n",
1252                                         swidget->widget->name);
1253                                 ret = num_sets;
1254                                 goto err;
1255                         }
1256                         break;
1257                 default:
1258                         break;
1259                 }
1260
1261                 if (num_sets > 1) {
1262                         struct snd_sof_tuple *new_tuples;
1263
1264                         num_tuples += token_list[object_token_list[i]].count * num_sets;
1265                         new_tuples = krealloc(swidget->tuples,
1266                                               sizeof(*new_tuples) * num_tuples, GFP_KERNEL);
1267                         if (!new_tuples) {
1268                                 ret = -ENOMEM;
1269                                 goto err;
1270                         }
1271
1272                         swidget->tuples = new_tuples;
1273                 }
1274
1275                 /* copy one set of tuples per token ID into swidget->tuples */
1276                 ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size),
1277                                       object_token_list[i], num_sets, swidget->tuples,
1278                                       num_tuples, &swidget->num_tuples);
1279                 if (ret < 0) {
1280                         dev_err(scomp->dev, "Failed parsing %s for widget %s err: %d\n",
1281                                 token_list[object_token_list[i]].name, swidget->widget->name, ret);
1282                         goto err;
1283                 }
1284         }
1285
1286         return 0;
1287 err:
1288         kfree(swidget->tuples);
1289         return ret;
1290 }
1291
1292 static void sof_free_pin_binding(struct snd_sof_widget *swidget,
1293                                  bool pin_type)
1294 {
1295         char **pin_binding;
1296         u32 num_pins;
1297         int i;
1298
1299         if (pin_type == SOF_PIN_TYPE_INPUT) {
1300                 pin_binding = swidget->input_pin_binding;
1301                 num_pins = swidget->num_input_pins;
1302         } else {
1303                 pin_binding = swidget->output_pin_binding;
1304                 num_pins = swidget->num_output_pins;
1305         }
1306
1307         if (pin_binding) {
1308                 for (i = 0; i < num_pins; i++)
1309                         kfree(pin_binding[i]);
1310         }
1311
1312         kfree(pin_binding);
1313 }
1314
1315 static int sof_parse_pin_binding(struct snd_sof_widget *swidget,
1316                                  struct snd_soc_tplg_private *priv, bool pin_type)
1317 {
1318         const struct sof_topology_token *pin_binding_token;
1319         char *pin_binding[SOF_WIDGET_MAX_NUM_PINS];
1320         int token_count;
1321         u32 num_pins;
1322         char **pb;
1323         int ret;
1324         int i;
1325
1326         if (pin_type == SOF_PIN_TYPE_INPUT) {
1327                 num_pins = swidget->num_input_pins;
1328                 pin_binding_token = comp_input_pin_binding_tokens;
1329                 token_count = ARRAY_SIZE(comp_input_pin_binding_tokens);
1330         } else {
1331                 num_pins = swidget->num_output_pins;
1332                 pin_binding_token = comp_output_pin_binding_tokens;
1333                 token_count = ARRAY_SIZE(comp_output_pin_binding_tokens);
1334         }
1335
1336         memset(pin_binding, 0, SOF_WIDGET_MAX_NUM_PINS * sizeof(char *));
1337         ret = sof_parse_token_sets(swidget->scomp, pin_binding, pin_binding_token,
1338                                    token_count, priv->array, le32_to_cpu(priv->size),
1339                                    num_pins, sizeof(char *));
1340         if (ret < 0)
1341                 goto err;
1342
1343         /* copy pin binding array to swidget only if it is defined in topology */
1344         if (pin_binding[0]) {
1345                 pb = kmemdup(pin_binding, num_pins * sizeof(char *), GFP_KERNEL);
1346                 if (!pb) {
1347                         ret = -ENOMEM;
1348                         goto err;
1349                 }
1350                 if (pin_type == SOF_PIN_TYPE_INPUT)
1351                         swidget->input_pin_binding = pb;
1352                 else
1353                         swidget->output_pin_binding = pb;
1354         }
1355
1356         return 0;
1357
1358 err:
1359         for (i = 0; i < num_pins; i++)
1360                 kfree(pin_binding[i]);
1361
1362         return ret;
1363 }
1364
1365 /* external widget init - used for any driver specific init */
1366 static int sof_widget_ready(struct snd_soc_component *scomp, int index,
1367                             struct snd_soc_dapm_widget *w,
1368                             struct snd_soc_tplg_dapm_widget *tw)
1369 {
1370         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1371         const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
1372         const struct sof_ipc_tplg_widget_ops *widget_ops;
1373         struct snd_soc_tplg_private *priv = &tw->priv;
1374         enum sof_tokens *token_list = NULL;
1375         struct snd_sof_widget *swidget;
1376         struct snd_sof_dai *dai;
1377         int token_list_size = 0;
1378         int ret = 0;
1379
1380         swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);
1381         if (!swidget)
1382                 return -ENOMEM;
1383
1384         swidget->scomp = scomp;
1385         swidget->widget = w;
1386         swidget->comp_id = sdev->next_comp_id++;
1387         swidget->id = w->id;
1388         swidget->pipeline_id = index;
1389         swidget->private = NULL;
1390         mutex_init(&swidget->setup_mutex);
1391
1392         ida_init(&swidget->output_queue_ida);
1393         ida_init(&swidget->input_queue_ida);
1394
1395         ret = sof_parse_tokens(scomp, swidget, comp_pin_tokens,
1396                                ARRAY_SIZE(comp_pin_tokens), priv->array,
1397                                le32_to_cpu(priv->size));
1398         if (ret < 0) {
1399                 dev_err(scomp->dev, "failed to parse component pin tokens for %s\n",
1400                         w->name);
1401                 goto widget_free;
1402         }
1403
1404         if (swidget->num_input_pins > SOF_WIDGET_MAX_NUM_PINS ||
1405             swidget->num_output_pins > SOF_WIDGET_MAX_NUM_PINS) {
1406                 dev_err(scomp->dev, "invalid pins for %s: [input: %d, output: %d]\n",
1407                         swidget->widget->name, swidget->num_input_pins, swidget->num_output_pins);
1408                 ret = -EINVAL;
1409                 goto widget_free;
1410         }
1411
1412         if (swidget->num_input_pins > 1) {
1413                 ret = sof_parse_pin_binding(swidget, priv, SOF_PIN_TYPE_INPUT);
1414                 /* on parsing error, pin binding is not allocated, nothing to free. */
1415                 if (ret < 0) {
1416                         dev_err(scomp->dev, "failed to parse input pin binding for %s\n",
1417                                 w->name);
1418                         goto widget_free;
1419                 }
1420         }
1421
1422         if (swidget->num_output_pins > 1) {
1423                 ret = sof_parse_pin_binding(swidget, priv, SOF_PIN_TYPE_OUTPUT);
1424                 /* on parsing error, pin binding is not allocated, nothing to free. */
1425                 if (ret < 0) {
1426                         dev_err(scomp->dev, "failed to parse output pin binding for %s\n",
1427                                 w->name);
1428                         goto widget_free;
1429                 }
1430         }
1431
1432         dev_dbg(scomp->dev,
1433                 "tplg: widget %d (%s) is ready [type: %d, pipe: %d, pins: %d / %d, stream: %s]\n",
1434                 swidget->comp_id, w->name, swidget->id, index,
1435                 swidget->num_input_pins, swidget->num_output_pins,
1436                 strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0 ? w->sname : "none");
1437
1438         widget_ops = tplg_ops ? tplg_ops->widget : NULL;
1439         if (widget_ops) {
1440                 token_list = widget_ops[w->id].token_list;
1441                 token_list_size = widget_ops[w->id].token_list_size;
1442         }
1443
1444         /* handle any special case widgets */
1445         switch (w->id) {
1446         case snd_soc_dapm_dai_in:
1447         case snd_soc_dapm_dai_out:
1448                 dai = kzalloc(sizeof(*dai), GFP_KERNEL);
1449                 if (!dai) {
1450                         ret = -ENOMEM;
1451                         goto widget_free;
1452                 }
1453
1454                 ret = sof_widget_parse_tokens(scomp, swidget, tw, token_list, token_list_size);
1455                 if (!ret)
1456                         ret = sof_connect_dai_widget(scomp, w, tw, dai);
1457                 if (ret < 0) {
1458                         kfree(dai);
1459                         break;
1460                 }
1461                 list_add(&dai->list, &sdev->dai_list);
1462                 swidget->private = dai;
1463                 break;
1464         case snd_soc_dapm_effect:
1465                 /* check we have some tokens - we need at least process type */
1466                 if (le32_to_cpu(tw->priv.size) == 0) {
1467                         dev_err(scomp->dev, "error: process tokens not found\n");
1468                         ret = -EINVAL;
1469                         break;
1470                 }
1471                 ret = sof_widget_parse_tokens(scomp, swidget, tw, token_list, token_list_size);
1472                 break;
1473         case snd_soc_dapm_pga:
1474                 if (!le32_to_cpu(tw->num_kcontrols)) {
1475                         dev_err(scomp->dev, "invalid kcontrol count %d for volume\n",
1476                                 tw->num_kcontrols);
1477                         ret = -EINVAL;
1478                         break;
1479                 }
1480
1481                 fallthrough;
1482         case snd_soc_dapm_mixer:
1483         case snd_soc_dapm_buffer:
1484         case snd_soc_dapm_scheduler:
1485         case snd_soc_dapm_aif_out:
1486         case snd_soc_dapm_aif_in:
1487         case snd_soc_dapm_src:
1488         case snd_soc_dapm_asrc:
1489         case snd_soc_dapm_siggen:
1490         case snd_soc_dapm_mux:
1491         case snd_soc_dapm_demux:
1492                 ret = sof_widget_parse_tokens(scomp, swidget, tw,  token_list, token_list_size);
1493                 break;
1494         case snd_soc_dapm_switch:
1495         case snd_soc_dapm_dai_link:
1496         case snd_soc_dapm_kcontrol:
1497         default:
1498                 dev_dbg(scomp->dev, "widget type %d name %s not handled\n", swidget->id, tw->name);
1499                 break;
1500         }
1501
1502         /* check token parsing reply */
1503         if (ret < 0) {
1504                 dev_err(scomp->dev,
1505                         "error: failed to add widget id %d type %d name : %s stream %s\n",
1506                         tw->shift, swidget->id, tw->name,
1507                         strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
1508                                 ? tw->sname : "none");
1509                 goto widget_free;
1510         }
1511
1512         if (sof_debug_check_flag(SOF_DBG_DISABLE_MULTICORE)) {
1513                 swidget->core = SOF_DSP_PRIMARY_CORE;
1514         } else {
1515                 int core = sof_get_token_value(SOF_TKN_COMP_CORE_ID, swidget->tuples,
1516                                                swidget->num_tuples);
1517
1518                 if (core >= 0)
1519                         swidget->core = core;
1520         }
1521
1522         /* bind widget to external event */
1523         if (tw->event_type) {
1524                 if (widget_ops && widget_ops[w->id].bind_event) {
1525                         ret = widget_ops[w->id].bind_event(scomp, swidget,
1526                                                            le16_to_cpu(tw->event_type));
1527                         if (ret) {
1528                                 dev_err(scomp->dev, "widget event binding failed for %s\n",
1529                                         swidget->widget->name);
1530                                 goto free;
1531                         }
1532                 }
1533         }
1534
1535         /* create and add pipeline for scheduler type widgets */
1536         if (w->id == snd_soc_dapm_scheduler) {
1537                 struct snd_sof_pipeline *spipe;
1538
1539                 spipe = kzalloc(sizeof(*spipe), GFP_KERNEL);
1540                 if (!spipe) {
1541                         ret = -ENOMEM;
1542                         goto free;
1543                 }
1544
1545                 spipe->pipe_widget = swidget;
1546                 swidget->spipe = spipe;
1547                 list_add(&spipe->list, &sdev->pipeline_list);
1548         }
1549
1550         w->dobj.private = swidget;
1551         list_add(&swidget->list, &sdev->widget_list);
1552         return ret;
1553 free:
1554         kfree(swidget->private);
1555         kfree(swidget->tuples);
1556 widget_free:
1557         kfree(swidget);
1558         return ret;
1559 }
1560
1561 static int sof_route_unload(struct snd_soc_component *scomp,
1562                             struct snd_soc_dobj *dobj)
1563 {
1564         struct snd_sof_route *sroute;
1565
1566         sroute = dobj->private;
1567         if (!sroute)
1568                 return 0;
1569
1570         /* free sroute and its private data */
1571         kfree(sroute->private);
1572         list_del(&sroute->list);
1573         kfree(sroute);
1574
1575         return 0;
1576 }
1577
1578 static int sof_widget_unload(struct snd_soc_component *scomp,
1579                              struct snd_soc_dobj *dobj)
1580 {
1581         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1582         const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
1583         const struct sof_ipc_tplg_widget_ops *widget_ops;
1584         const struct snd_kcontrol_new *kc;
1585         struct snd_soc_dapm_widget *widget;
1586         struct snd_sof_control *scontrol;
1587         struct snd_sof_widget *swidget;
1588         struct soc_mixer_control *sm;
1589         struct soc_bytes_ext *sbe;
1590         struct snd_sof_dai *dai;
1591         struct soc_enum *se;
1592         int i;
1593
1594         swidget = dobj->private;
1595         if (!swidget)
1596                 return 0;
1597
1598         widget = swidget->widget;
1599
1600         switch (swidget->id) {
1601         case snd_soc_dapm_dai_in:
1602         case snd_soc_dapm_dai_out:
1603                 dai = swidget->private;
1604
1605                 if (dai)
1606                         list_del(&dai->list);
1607
1608                 sof_disconnect_dai_widget(scomp, widget);
1609
1610                 break;
1611         case snd_soc_dapm_scheduler:
1612         {
1613                 struct snd_sof_pipeline *spipe = swidget->spipe;
1614
1615                 list_del(&spipe->list);
1616                 kfree(spipe);
1617                 swidget->spipe = NULL;
1618                 break;
1619         }
1620         default:
1621                 break;
1622         }
1623         for (i = 0; i < widget->num_kcontrols; i++) {
1624                 kc = &widget->kcontrol_news[i];
1625                 switch (widget->dobj.widget.kcontrol_type[i]) {
1626                 case SND_SOC_TPLG_TYPE_MIXER:
1627                         sm = (struct soc_mixer_control *)kc->private_value;
1628                         scontrol = sm->dobj.private;
1629                         if (sm->max > 1)
1630                                 kfree(scontrol->volume_table);
1631                         break;
1632                 case SND_SOC_TPLG_TYPE_ENUM:
1633                         se = (struct soc_enum *)kc->private_value;
1634                         scontrol = se->dobj.private;
1635                         break;
1636                 case SND_SOC_TPLG_TYPE_BYTES:
1637                         sbe = (struct soc_bytes_ext *)kc->private_value;
1638                         scontrol = sbe->dobj.private;
1639                         break;
1640                 default:
1641                         dev_warn(scomp->dev, "unsupported kcontrol_type\n");
1642                         goto out;
1643                 }
1644                 kfree(scontrol->ipc_control_data);
1645                 list_del(&scontrol->list);
1646                 kfree(scontrol->name);
1647                 kfree(scontrol);
1648         }
1649
1650 out:
1651         /* free IPC related data */
1652         widget_ops = tplg_ops ? tplg_ops->widget : NULL;
1653         if (widget_ops && widget_ops[swidget->id].ipc_free)
1654                 widget_ops[swidget->id].ipc_free(swidget);
1655
1656         ida_destroy(&swidget->output_queue_ida);
1657         ida_destroy(&swidget->input_queue_ida);
1658
1659         sof_free_pin_binding(swidget, SOF_PIN_TYPE_INPUT);
1660         sof_free_pin_binding(swidget, SOF_PIN_TYPE_OUTPUT);
1661
1662         kfree(swidget->tuples);
1663
1664         /* remove and free swidget object */
1665         list_del(&swidget->list);
1666         kfree(swidget);
1667
1668         return 0;
1669 }
1670
1671 /*
1672  * DAI HW configuration.
1673  */
1674
1675 /* FE DAI - used for any driver specific init */
1676 static int sof_dai_load(struct snd_soc_component *scomp, int index,
1677                         struct snd_soc_dai_driver *dai_drv,
1678                         struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
1679 {
1680         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1681         const struct sof_ipc_pcm_ops *ipc_pcm_ops = sof_ipc_get_ops(sdev, pcm);
1682         struct snd_soc_tplg_stream_caps *caps;
1683         struct snd_soc_tplg_private *private = &pcm->priv;
1684         struct snd_sof_pcm *spcm;
1685         int stream;
1686         int ret;
1687
1688         /* nothing to do for BEs atm */
1689         if (!pcm)
1690                 return 0;
1691
1692         spcm = kzalloc(sizeof(*spcm), GFP_KERNEL);
1693         if (!spcm)
1694                 return -ENOMEM;
1695
1696         spcm->scomp = scomp;
1697
1698         for_each_pcm_streams(stream) {
1699                 spcm->stream[stream].comp_id = COMP_ID_UNASSIGNED;
1700                 if (pcm->compress)
1701                         snd_sof_compr_init_elapsed_work(&spcm->stream[stream].period_elapsed_work);
1702                 else
1703                         snd_sof_pcm_init_elapsed_work(&spcm->stream[stream].period_elapsed_work);
1704         }
1705
1706         spcm->pcm = *pcm;
1707         dev_dbg(scomp->dev, "tplg: load pcm %s\n", pcm->dai_name);
1708
1709         /* perform pcm set op */
1710         if (ipc_pcm_ops && ipc_pcm_ops->pcm_setup) {
1711                 ret = ipc_pcm_ops->pcm_setup(sdev, spcm);
1712                 if (ret < 0)
1713                         return ret;
1714         }
1715
1716         dai_drv->dobj.private = spcm;
1717         list_add(&spcm->list, &sdev->pcm_list);
1718
1719         ret = sof_parse_tokens(scomp, spcm, stream_tokens,
1720                                ARRAY_SIZE(stream_tokens), private->array,
1721                                le32_to_cpu(private->size));
1722         if (ret) {
1723                 dev_err(scomp->dev, "error: parse stream tokens failed %d\n",
1724                         le32_to_cpu(private->size));
1725                 return ret;
1726         }
1727
1728         /* do we need to allocate playback PCM DMA pages */
1729         if (!spcm->pcm.playback)
1730                 goto capture;
1731
1732         stream = SNDRV_PCM_STREAM_PLAYBACK;
1733
1734         caps = &spcm->pcm.caps[stream];
1735
1736         /* allocate playback page table buffer */
1737         ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
1738                                   PAGE_SIZE, &spcm->stream[stream].page_table);
1739         if (ret < 0) {
1740                 dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",
1741                         caps->name, ret);
1742
1743                 return ret;
1744         }
1745
1746         /* bind pcm to host comp */
1747         ret = spcm_bind(scomp, spcm, stream);
1748         if (ret) {
1749                 dev_err(scomp->dev,
1750                         "error: can't bind pcm to host\n");
1751                 goto free_playback_tables;
1752         }
1753
1754 capture:
1755         stream = SNDRV_PCM_STREAM_CAPTURE;
1756
1757         /* do we need to allocate capture PCM DMA pages */
1758         if (!spcm->pcm.capture)
1759                 return ret;
1760
1761         caps = &spcm->pcm.caps[stream];
1762
1763         /* allocate capture page table buffer */
1764         ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
1765                                   PAGE_SIZE, &spcm->stream[stream].page_table);
1766         if (ret < 0) {
1767                 dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",
1768                         caps->name, ret);
1769                 goto free_playback_tables;
1770         }
1771
1772         /* bind pcm to host comp */
1773         ret = spcm_bind(scomp, spcm, stream);
1774         if (ret) {
1775                 dev_err(scomp->dev,
1776                         "error: can't bind pcm to host\n");
1777                 snd_dma_free_pages(&spcm->stream[stream].page_table);
1778                 goto free_playback_tables;
1779         }
1780
1781         return ret;
1782
1783 free_playback_tables:
1784         if (spcm->pcm.playback)
1785                 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
1786
1787         return ret;
1788 }
1789
1790 static int sof_dai_unload(struct snd_soc_component *scomp,
1791                           struct snd_soc_dobj *dobj)
1792 {
1793         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1794         const struct sof_ipc_pcm_ops *ipc_pcm_ops = sof_ipc_get_ops(sdev, pcm);
1795         struct snd_sof_pcm *spcm = dobj->private;
1796
1797         /* free PCM DMA pages */
1798         if (spcm->pcm.playback)
1799                 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
1800
1801         if (spcm->pcm.capture)
1802                 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table);
1803
1804         /* perform pcm free op */
1805         if (ipc_pcm_ops && ipc_pcm_ops->pcm_free)
1806                 ipc_pcm_ops->pcm_free(sdev, spcm);
1807
1808         /* remove from list and free spcm */
1809         list_del(&spcm->list);
1810         kfree(spcm);
1811
1812         return 0;
1813 }
1814
1815 static const struct sof_topology_token common_dai_link_tokens[] = {
1816         {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
1817                 offsetof(struct snd_sof_dai_link, type)},
1818 };
1819
1820 /* DAI link - used for any driver specific init */
1821 static int sof_link_load(struct snd_soc_component *scomp, int index, struct snd_soc_dai_link *link,
1822                          struct snd_soc_tplg_link_config *cfg)
1823 {
1824         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1825         const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
1826         struct snd_soc_tplg_private *private = &cfg->priv;
1827         const struct sof_token_info *token_list;
1828         struct snd_sof_dai_link *slink;
1829         u32 token_id = 0;
1830         int num_tuples = 0;
1831         int ret, num_sets;
1832
1833         if (!link->platforms) {
1834                 dev_err(scomp->dev, "error: no platforms\n");
1835                 return -EINVAL;
1836         }
1837         link->platforms->name = dev_name(scomp->dev);
1838
1839         if (tplg_ops && tplg_ops->link_setup) {
1840                 ret = tplg_ops->link_setup(sdev, link);
1841                 if (ret < 0)
1842                         return ret;
1843         }
1844
1845         /* Set nonatomic property for FE dai links as their trigger action involves IPC's */
1846         if (!link->no_pcm) {
1847                 link->nonatomic = true;
1848                 return 0;
1849         }
1850
1851         /* check we have some tokens - we need at least DAI type */
1852         if (le32_to_cpu(private->size) == 0) {
1853                 dev_err(scomp->dev, "error: expected tokens for DAI, none found\n");
1854                 return -EINVAL;
1855         }
1856
1857         slink = kzalloc(sizeof(*slink), GFP_KERNEL);
1858         if (!slink)
1859                 return -ENOMEM;
1860
1861         slink->num_hw_configs = le32_to_cpu(cfg->num_hw_configs);
1862         slink->hw_configs = kmemdup(cfg->hw_config,
1863                                     sizeof(*slink->hw_configs) * slink->num_hw_configs,
1864                                     GFP_KERNEL);
1865         if (!slink->hw_configs) {
1866                 kfree(slink);
1867                 return -ENOMEM;
1868         }
1869
1870         slink->default_hw_cfg_id = le32_to_cpu(cfg->default_hw_config_id);
1871         slink->link = link;
1872
1873         dev_dbg(scomp->dev, "tplg: %d hw_configs found, default id: %d for dai link %s!\n",
1874                 slink->num_hw_configs, slink->default_hw_cfg_id, link->name);
1875
1876         ret = sof_parse_tokens(scomp, slink, common_dai_link_tokens,
1877                                ARRAY_SIZE(common_dai_link_tokens),
1878                                private->array, le32_to_cpu(private->size));
1879         if (ret < 0) {
1880                 dev_err(scomp->dev, "Failed tp parse common DAI link tokens\n");
1881                 kfree(slink->hw_configs);
1882                 kfree(slink);
1883                 return ret;
1884         }
1885
1886         token_list = tplg_ops ? tplg_ops->token_list : NULL;
1887         if (!token_list)
1888                 goto out;
1889
1890         /* calculate size of tuples array */
1891         num_tuples += token_list[SOF_DAI_LINK_TOKENS].count;
1892         num_sets = slink->num_hw_configs;
1893         switch (slink->type) {
1894         case SOF_DAI_INTEL_SSP:
1895                 token_id = SOF_SSP_TOKENS;
1896                 num_tuples += token_list[SOF_SSP_TOKENS].count * slink->num_hw_configs;
1897                 break;
1898         case SOF_DAI_INTEL_DMIC:
1899                 token_id = SOF_DMIC_TOKENS;
1900                 num_tuples += token_list[SOF_DMIC_TOKENS].count;
1901
1902                 /* Allocate memory for max PDM controllers */
1903                 num_tuples += token_list[SOF_DMIC_PDM_TOKENS].count * SOF_DAI_INTEL_DMIC_NUM_CTRL;
1904                 break;
1905         case SOF_DAI_INTEL_HDA:
1906                 token_id = SOF_HDA_TOKENS;
1907                 num_tuples += token_list[SOF_HDA_TOKENS].count;
1908                 break;
1909         case SOF_DAI_INTEL_ALH:
1910                 token_id = SOF_ALH_TOKENS;
1911                 num_tuples += token_list[SOF_ALH_TOKENS].count;
1912                 break;
1913         case SOF_DAI_IMX_SAI:
1914                 token_id = SOF_SAI_TOKENS;
1915                 num_tuples += token_list[SOF_SAI_TOKENS].count;
1916                 break;
1917         case SOF_DAI_IMX_ESAI:
1918                 token_id = SOF_ESAI_TOKENS;
1919                 num_tuples += token_list[SOF_ESAI_TOKENS].count;
1920                 break;
1921         case SOF_DAI_MEDIATEK_AFE:
1922                 token_id = SOF_AFE_TOKENS;
1923                 num_tuples += token_list[SOF_AFE_TOKENS].count;
1924                 break;
1925         case SOF_DAI_AMD_DMIC:
1926                 token_id = SOF_ACPDMIC_TOKENS;
1927                 num_tuples += token_list[SOF_ACPDMIC_TOKENS].count;
1928                 break;
1929         case SOF_DAI_AMD_SP:
1930         case SOF_DAI_AMD_HS:
1931         case SOF_DAI_AMD_SP_VIRTUAL:
1932         case SOF_DAI_AMD_HS_VIRTUAL:
1933                 token_id = SOF_ACPI2S_TOKENS;
1934                 num_tuples += token_list[SOF_ACPI2S_TOKENS].count;
1935                 break;
1936         default:
1937                 break;
1938         }
1939
1940         /* allocate memory for tuples array */
1941         slink->tuples = kcalloc(num_tuples, sizeof(*slink->tuples), GFP_KERNEL);
1942         if (!slink->tuples) {
1943                 kfree(slink->hw_configs);
1944                 kfree(slink);
1945                 return -ENOMEM;
1946         }
1947
1948         if (token_list[SOF_DAI_LINK_TOKENS].tokens) {
1949                 /* parse one set of DAI link tokens */
1950                 ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size),
1951                                       SOF_DAI_LINK_TOKENS, 1, slink->tuples,
1952                                       num_tuples, &slink->num_tuples);
1953                 if (ret < 0) {
1954                         dev_err(scomp->dev, "failed to parse %s for dai link %s\n",
1955                                 token_list[SOF_DAI_LINK_TOKENS].name, link->name);
1956                         goto err;
1957                 }
1958         }
1959
1960         /* nothing more to do if there are no DAI type-specific tokens defined */
1961         if (!token_id || !token_list[token_id].tokens)
1962                 goto out;
1963
1964         /* parse "num_sets" sets of DAI-specific tokens */
1965         ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size),
1966                               token_id, num_sets, slink->tuples, num_tuples, &slink->num_tuples);
1967         if (ret < 0) {
1968                 dev_err(scomp->dev, "failed to parse %s for dai link %s\n",
1969                         token_list[token_id].name, link->name);
1970                 goto err;
1971         }
1972
1973         /* for DMIC, also parse all sets of DMIC PDM tokens based on active PDM count */
1974         if (token_id == SOF_DMIC_TOKENS) {
1975                 num_sets = sof_get_token_value(SOF_TKN_INTEL_DMIC_NUM_PDM_ACTIVE,
1976                                                slink->tuples, slink->num_tuples);
1977
1978                 if (num_sets < 0) {
1979                         dev_err(sdev->dev, "Invalid active PDM count for %s\n", link->name);
1980                         ret = num_sets;
1981                         goto err;
1982                 }
1983
1984                 ret = sof_copy_tuples(sdev, private->array, le32_to_cpu(private->size),
1985                                       SOF_DMIC_PDM_TOKENS, num_sets, slink->tuples,
1986                                       num_tuples, &slink->num_tuples);
1987                 if (ret < 0) {
1988                         dev_err(scomp->dev, "failed to parse %s for dai link %s\n",
1989                                 token_list[SOF_DMIC_PDM_TOKENS].name, link->name);
1990                         goto err;
1991                 }
1992         }
1993 out:
1994         link->dobj.private = slink;
1995         list_add(&slink->list, &sdev->dai_link_list);
1996
1997         return 0;
1998
1999 err:
2000         kfree(slink->tuples);
2001         kfree(slink->hw_configs);
2002         kfree(slink);
2003
2004         return ret;
2005 }
2006
2007 static int sof_link_unload(struct snd_soc_component *scomp, struct snd_soc_dobj *dobj)
2008 {
2009         struct snd_sof_dai_link *slink = dobj->private;
2010
2011         if (!slink)
2012                 return 0;
2013
2014         kfree(slink->tuples);
2015         list_del(&slink->list);
2016         kfree(slink->hw_configs);
2017         kfree(slink);
2018         dobj->private = NULL;
2019
2020         return 0;
2021 }
2022
2023 /* DAI link - used for any driver specific init */
2024 static int sof_route_load(struct snd_soc_component *scomp, int index,
2025                           struct snd_soc_dapm_route *route)
2026 {
2027         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2028         struct snd_sof_widget *source_swidget, *sink_swidget;
2029         struct snd_soc_dobj *dobj = &route->dobj;
2030         struct snd_sof_route *sroute;
2031         int ret = 0;
2032
2033         /* allocate memory for sroute and connect */
2034         sroute = kzalloc(sizeof(*sroute), GFP_KERNEL);
2035         if (!sroute)
2036                 return -ENOMEM;
2037
2038         sroute->scomp = scomp;
2039         dev_dbg(scomp->dev, "sink %s control %s source %s\n",
2040                 route->sink, route->control ? route->control : "none",
2041                 route->source);
2042
2043         /* source component */
2044         source_swidget = snd_sof_find_swidget(scomp, (char *)route->source);
2045         if (!source_swidget) {
2046                 dev_err(scomp->dev, "error: source %s not found\n",
2047                         route->source);
2048                 ret = -EINVAL;
2049                 goto err;
2050         }
2051
2052         /*
2053          * Virtual widgets of type output/out_drv may be added in topology
2054          * for compatibility. These are not handled by the FW.
2055          * So, don't send routes whose source/sink widget is of such types
2056          * to the DSP.
2057          */
2058         if (source_swidget->id == snd_soc_dapm_out_drv ||
2059             source_swidget->id == snd_soc_dapm_output)
2060                 goto err;
2061
2062         /* sink component */
2063         sink_swidget = snd_sof_find_swidget(scomp, (char *)route->sink);
2064         if (!sink_swidget) {
2065                 dev_err(scomp->dev, "error: sink %s not found\n",
2066                         route->sink);
2067                 ret = -EINVAL;
2068                 goto err;
2069         }
2070
2071         /*
2072          * Don't send routes whose sink widget is of type
2073          * output or out_drv to the DSP
2074          */
2075         if (sink_swidget->id == snd_soc_dapm_out_drv ||
2076             sink_swidget->id == snd_soc_dapm_output)
2077                 goto err;
2078
2079         sroute->route = route;
2080         dobj->private = sroute;
2081         sroute->src_widget = source_swidget;
2082         sroute->sink_widget = sink_swidget;
2083
2084         /* add route to route list */
2085         list_add(&sroute->list, &sdev->route_list);
2086
2087         return 0;
2088 err:
2089         kfree(sroute);
2090         return ret;
2091 }
2092
2093 /**
2094  * sof_set_widget_pipeline - Set pipeline for a component
2095  * @sdev: pointer to struct snd_sof_dev
2096  * @spipe: pointer to struct snd_sof_pipeline
2097  * @swidget: pointer to struct snd_sof_widget that has the same pipeline ID as @pipe_widget
2098  *
2099  * Return: 0 if successful, -EINVAL on error.
2100  * The function checks if @swidget is associated with any volatile controls. If so, setting
2101  * the dynamic_pipeline_widget is disallowed.
2102  */
2103 static int sof_set_widget_pipeline(struct snd_sof_dev *sdev, struct snd_sof_pipeline *spipe,
2104                                    struct snd_sof_widget *swidget)
2105 {
2106         struct snd_sof_widget *pipe_widget = spipe->pipe_widget;
2107         struct snd_sof_control *scontrol;
2108
2109         if (pipe_widget->dynamic_pipeline_widget) {
2110                 /* dynamic widgets cannot have volatile kcontrols */
2111                 list_for_each_entry(scontrol, &sdev->kcontrol_list, list)
2112                         if (scontrol->comp_id == swidget->comp_id &&
2113                             (scontrol->access & SNDRV_CTL_ELEM_ACCESS_VOLATILE)) {
2114                                 dev_err(sdev->dev,
2115                                         "error: volatile control found for dynamic widget %s\n",
2116                                         swidget->widget->name);
2117                                 return -EINVAL;
2118                         }
2119         }
2120
2121         /* set the pipeline and apply the dynamic_pipeline_widget_flag */
2122         swidget->spipe = spipe;
2123         swidget->dynamic_pipeline_widget = pipe_widget->dynamic_pipeline_widget;
2124
2125         return 0;
2126 }
2127
2128 /* completion - called at completion of firmware loading */
2129 static int sof_complete(struct snd_soc_component *scomp)
2130 {
2131         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2132         const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
2133         const struct sof_ipc_tplg_widget_ops *widget_ops;
2134         struct snd_sof_control *scontrol;
2135         struct snd_sof_pipeline *spipe;
2136         int ret;
2137
2138         widget_ops = tplg_ops ? tplg_ops->widget : NULL;
2139
2140         /* first update all control IPC structures based on the IPC version */
2141         if (tplg_ops && tplg_ops->control_setup)
2142                 list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
2143                         ret = tplg_ops->control_setup(sdev, scontrol);
2144                         if (ret < 0) {
2145                                 dev_err(sdev->dev, "failed updating IPC struct for control %s\n",
2146                                         scontrol->name);
2147                                 return ret;
2148                         }
2149                 }
2150
2151         /* set up the IPC structures for the pipeline widgets */
2152         list_for_each_entry(spipe, &sdev->pipeline_list, list) {
2153                 struct snd_sof_widget *pipe_widget = spipe->pipe_widget;
2154                 struct snd_sof_widget *swidget;
2155
2156                 /* Update the scheduler widget's IPC structure */
2157                 if (widget_ops && widget_ops[pipe_widget->id].ipc_setup) {
2158                         ret = widget_ops[pipe_widget->id].ipc_setup(pipe_widget);
2159                         if (ret < 0) {
2160                                 dev_err(sdev->dev, "failed updating IPC struct for %s\n",
2161                                         pipe_widget->widget->name);
2162                                 return ret;
2163                         }
2164                 }
2165
2166                 /* set the pipeline and update the IPC structure for the non scheduler widgets */
2167                 list_for_each_entry(swidget, &sdev->widget_list, list)
2168                         if (swidget->widget->id != snd_soc_dapm_scheduler &&
2169                             swidget->pipeline_id == pipe_widget->pipeline_id) {
2170                                 ret = sof_set_widget_pipeline(sdev, spipe, swidget);
2171                                 if (ret < 0)
2172                                         return ret;
2173
2174                                 if (widget_ops && widget_ops[swidget->id].ipc_setup) {
2175                                         ret = widget_ops[swidget->id].ipc_setup(swidget);
2176                                         if (ret < 0) {
2177                                                 dev_err(sdev->dev,
2178                                                         "failed updating IPC struct for %s\n",
2179                                                         swidget->widget->name);
2180                                                 return ret;
2181                                         }
2182                                 }
2183                         }
2184         }
2185
2186         /* verify topology components loading including dynamic pipelines */
2187         if (sof_debug_check_flag(SOF_DBG_VERIFY_TPLG)) {
2188                 if (tplg_ops && tplg_ops->set_up_all_pipelines &&
2189                     tplg_ops->tear_down_all_pipelines) {
2190                         ret = tplg_ops->set_up_all_pipelines(sdev, true);
2191                         if (ret < 0) {
2192                                 dev_err(sdev->dev, "Failed to set up all topology pipelines: %d\n",
2193                                         ret);
2194                                 return ret;
2195                         }
2196
2197                         ret = tplg_ops->tear_down_all_pipelines(sdev, true);
2198                         if (ret < 0) {
2199                                 dev_err(sdev->dev, "Failed to tear down topology pipelines: %d\n",
2200                                         ret);
2201                                 return ret;
2202                         }
2203                 }
2204         }
2205
2206         /* set up static pipelines */
2207         if (tplg_ops && tplg_ops->set_up_all_pipelines)
2208                 return tplg_ops->set_up_all_pipelines(sdev, false);
2209
2210         return 0;
2211 }
2212
2213 /* manifest - optional to inform component of manifest */
2214 static int sof_manifest(struct snd_soc_component *scomp, int index,
2215                         struct snd_soc_tplg_manifest *man)
2216 {
2217         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2218         const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
2219
2220         if (tplg_ops && tplg_ops->parse_manifest)
2221                 return tplg_ops->parse_manifest(scomp, index, man);
2222
2223         return 0;
2224 }
2225
2226 /* vendor specific kcontrol handlers available for binding */
2227 static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = {
2228         {SOF_TPLG_KCTL_VOL_ID, snd_sof_volume_get, snd_sof_volume_put},
2229         {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_get, snd_sof_bytes_put},
2230         {SOF_TPLG_KCTL_ENUM_ID, snd_sof_enum_get, snd_sof_enum_put},
2231         {SOF_TPLG_KCTL_SWITCH_ID, snd_sof_switch_get, snd_sof_switch_put},
2232 };
2233
2234 /* vendor specific bytes ext handlers available for binding */
2235 static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = {
2236         {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_ext_get, snd_sof_bytes_ext_put},
2237         {SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_bytes_ext_volatile_get},
2238 };
2239
2240 static struct snd_soc_tplg_ops sof_tplg_ops = {
2241         /* external kcontrol init - used for any driver specific init */
2242         .control_load   = sof_control_load,
2243         .control_unload = sof_control_unload,
2244
2245         /* external kcontrol init - used for any driver specific init */
2246         .dapm_route_load        = sof_route_load,
2247         .dapm_route_unload      = sof_route_unload,
2248
2249         /* external widget init - used for any driver specific init */
2250         /* .widget_load is not currently used */
2251         .widget_ready   = sof_widget_ready,
2252         .widget_unload  = sof_widget_unload,
2253
2254         /* FE DAI - used for any driver specific init */
2255         .dai_load       = sof_dai_load,
2256         .dai_unload     = sof_dai_unload,
2257
2258         /* DAI link - used for any driver specific init */
2259         .link_load      = sof_link_load,
2260         .link_unload    = sof_link_unload,
2261
2262         /* completion - called at completion of firmware loading */
2263         .complete       = sof_complete,
2264
2265         /* manifest - optional to inform component of manifest */
2266         .manifest       = sof_manifest,
2267
2268         /* vendor specific kcontrol handlers available for binding */
2269         .io_ops         = sof_io_ops,
2270         .io_ops_count   = ARRAY_SIZE(sof_io_ops),
2271
2272         /* vendor specific bytes ext handlers available for binding */
2273         .bytes_ext_ops  = sof_bytes_ext_ops,
2274         .bytes_ext_ops_count    = ARRAY_SIZE(sof_bytes_ext_ops),
2275 };
2276
2277 static int snd_sof_dspless_kcontrol(struct snd_kcontrol *kcontrol,
2278                                     struct snd_ctl_elem_value *ucontrol)
2279 {
2280         return 0;
2281 }
2282
2283 static const struct snd_soc_tplg_kcontrol_ops sof_dspless_io_ops[] = {
2284         {SOF_TPLG_KCTL_VOL_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},
2285         {SOF_TPLG_KCTL_BYTES_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},
2286         {SOF_TPLG_KCTL_ENUM_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},
2287         {SOF_TPLG_KCTL_SWITCH_ID, snd_sof_dspless_kcontrol, snd_sof_dspless_kcontrol},
2288 };
2289
2290 static int snd_sof_dspless_bytes_ext_get(struct snd_kcontrol *kcontrol,
2291                                          unsigned int __user *binary_data,
2292                                          unsigned int size)
2293 {
2294         return 0;
2295 }
2296
2297 static int snd_sof_dspless_bytes_ext_put(struct snd_kcontrol *kcontrol,
2298                                          const unsigned int __user *binary_data,
2299                                          unsigned int size)
2300 {
2301         return 0;
2302 }
2303
2304 static const struct snd_soc_tplg_bytes_ext_ops sof_dspless_bytes_ext_ops[] = {
2305         {SOF_TPLG_KCTL_BYTES_ID, snd_sof_dspless_bytes_ext_get, snd_sof_dspless_bytes_ext_put},
2306         {SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_dspless_bytes_ext_get},
2307 };
2308
2309 /* external widget init - used for any driver specific init */
2310 static int sof_dspless_widget_ready(struct snd_soc_component *scomp, int index,
2311                                     struct snd_soc_dapm_widget *w,
2312                                     struct snd_soc_tplg_dapm_widget *tw)
2313 {
2314         if (WIDGET_IS_DAI(w->id)) {
2315                 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2316                 struct snd_sof_widget *swidget;
2317                 struct snd_sof_dai dai;
2318                 int ret;
2319
2320                 swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);
2321                 if (!swidget)
2322                         return -ENOMEM;
2323
2324                 memset(&dai, 0, sizeof(dai));
2325
2326                 ret = sof_connect_dai_widget(scomp, w, tw, &dai);
2327                 if (ret) {
2328                         kfree(swidget);
2329                         return ret;
2330                 }
2331
2332                 swidget->scomp = scomp;
2333                 swidget->widget = w;
2334                 mutex_init(&swidget->setup_mutex);
2335                 w->dobj.private = swidget;
2336                 list_add(&swidget->list, &sdev->widget_list);
2337         }
2338
2339         return 0;
2340 }
2341
2342 static int sof_dspless_widget_unload(struct snd_soc_component *scomp,
2343                                      struct snd_soc_dobj *dobj)
2344 {
2345         struct snd_soc_dapm_widget *w = container_of(dobj, struct snd_soc_dapm_widget, dobj);
2346
2347         if (WIDGET_IS_DAI(w->id)) {
2348                 struct snd_sof_widget *swidget = dobj->private;
2349
2350                 sof_disconnect_dai_widget(scomp, w);
2351
2352                 if (!swidget)
2353                         return 0;
2354
2355                 /* remove and free swidget object */
2356                 list_del(&swidget->list);
2357                 kfree(swidget);
2358         }
2359
2360         return 0;
2361 }
2362
2363 static int sof_dspless_link_load(struct snd_soc_component *scomp, int index,
2364                                  struct snd_soc_dai_link *link,
2365                                  struct snd_soc_tplg_link_config *cfg)
2366 {
2367         link->platforms->name = dev_name(scomp->dev);
2368
2369         /* Set nonatomic property for FE dai links for FE-BE compatibility */
2370         if (!link->no_pcm)
2371                 link->nonatomic = true;
2372
2373         return 0;
2374 }
2375
2376 static struct snd_soc_tplg_ops sof_dspless_tplg_ops = {
2377         /* external widget init - used for any driver specific init */
2378         .widget_ready   = sof_dspless_widget_ready,
2379         .widget_unload  = sof_dspless_widget_unload,
2380
2381         /* FE DAI - used for any driver specific init */
2382         .dai_load       = sof_dai_load,
2383         .dai_unload     = sof_dai_unload,
2384
2385         /* DAI link - used for any driver specific init */
2386         .link_load      = sof_dspless_link_load,
2387
2388         /* vendor specific kcontrol handlers available for binding */
2389         .io_ops         = sof_dspless_io_ops,
2390         .io_ops_count   = ARRAY_SIZE(sof_dspless_io_ops),
2391
2392         /* vendor specific bytes ext handlers available for binding */
2393         .bytes_ext_ops = sof_dspless_bytes_ext_ops,
2394         .bytes_ext_ops_count = ARRAY_SIZE(sof_dspless_bytes_ext_ops),
2395 };
2396
2397 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file)
2398 {
2399         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2400         const struct firmware *fw;
2401         int ret;
2402
2403         dev_dbg(scomp->dev, "loading topology:%s\n", file);
2404
2405         ret = request_firmware(&fw, file, scomp->dev);
2406         if (ret < 0) {
2407                 dev_err(scomp->dev, "error: tplg request firmware %s failed err: %d\n",
2408                         file, ret);
2409                 dev_err(scomp->dev,
2410                         "you may need to download the firmware from https://github.com/thesofproject/sof-bin/\n");
2411                 return ret;
2412         }
2413
2414         if (sdev->dspless_mode_selected)
2415                 ret = snd_soc_tplg_component_load(scomp, &sof_dspless_tplg_ops, fw);
2416         else
2417                 ret = snd_soc_tplg_component_load(scomp, &sof_tplg_ops, fw);
2418
2419         if (ret < 0) {
2420                 dev_err(scomp->dev, "error: tplg component load failed %d\n",
2421                         ret);
2422                 ret = -EINVAL;
2423         }
2424
2425         release_firmware(fw);
2426
2427         if (ret >= 0 && sdev->led_present)
2428                 ret = snd_ctl_led_request();
2429
2430         return ret;
2431 }
2432 EXPORT_SYMBOL(snd_sof_load_topology);