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