sound/soc/sof/topology.c

   1 // SPDX-License-Identifier: (GPL-2.0 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/firmware.h>
  12 #include <sound/tlv.h>
  13 #include <sound/pcm_params.h>
  14 #include <uapi/sound/sof/tokens.h>
  15 #include "sof-priv.h"
  16 #include "ops.h"
  17
  18 #define COMP_ID_UNASSIGNED              0xffffffff
  19 /*
  20  * Constants used in the computation of linear volume gain
  21  * from dB gain 20th root of 10 in Q1.16 fixed-point notation
  22  */
  23 #define VOL_TWENTIETH_ROOT_OF_TEN       73533
  24 /* 40th root of 10 in Q1.16 fixed-point notation*/
  25 #define VOL_FORTIETH_ROOT_OF_TEN        69419
  26 /*
  27  * Volume fractional word length define to 16 sets
  28  * the volume linear gain value to use Qx.16 format
  29  */
  30 #define VOLUME_FWL      16
  31 /* 0.5 dB step value in topology TLV */
  32 #define VOL_HALF_DB_STEP        50
  33 /* Full volume for default values */
  34 #define VOL_ZERO_DB     BIT(VOLUME_FWL)
  35
  36 /* TLV data items */
  37 #define TLV_ITEMS       3
  38 #define TLV_MIN         0
  39 #define TLV_STEP        1
  40 #define TLV_MUTE        2
  41
  42 /* size of tplg abi in byte */
  43 #define SOF_TPLG_ABI_SIZE 3
  44
  45 struct sof_widget_data {
  46         int ctrl_type;
  47         int ipc_cmd;
  48         struct sof_abi_hdr *pdata;
  49         struct snd_sof_control *control;
  50 };
  51
  52 /* send pcm params ipc */
  53 static int ipc_pcm_params(struct snd_sof_widget *swidget, int dir)
  54 {
  55         struct sof_ipc_pcm_params_reply ipc_params_reply;
  56         struct snd_sof_dev *sdev = swidget->sdev;
  57         struct sof_ipc_pcm_params pcm;
  58         struct snd_pcm_hw_params *params;
  59         struct snd_sof_pcm *spcm;
  60         int ret = 0;
  61
  62         memset(&pcm, 0, sizeof(pcm));
  63
  64         /* get runtime PCM params using widget's stream name */
  65         spcm = snd_sof_find_spcm_name(sdev, swidget->widget->sname);
  66         if (!spcm) {
  67                 dev_err(sdev->dev, "error: cannot find PCM for %s\n",
  68                         swidget->widget->name);
  69                 return -EINVAL;
  70         }
  71
  72         params = &spcm->params[dir];
  73
  74         /* set IPC PCM params */
  75         pcm.hdr.size = sizeof(pcm);
  76         pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS;
  77         pcm.comp_id = swidget->comp_id;
  78         pcm.params.hdr.size = sizeof(pcm.params);
  79         pcm.params.direction = dir;
  80         pcm.params.sample_valid_bytes = params_width(params) >> 3;
  81         pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED;
  82         pcm.params.rate = params_rate(params);
  83         pcm.params.channels = params_channels(params);
  84         pcm.params.host_period_bytes = params_period_bytes(params);
  85
  86         /* set format */
  87         switch (params_format(params)) {
  88         case SNDRV_PCM_FORMAT_S16:
  89                 pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE;
  90                 break;
  91         case SNDRV_PCM_FORMAT_S24:
  92                 pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE;
  93                 break;
  94         case SNDRV_PCM_FORMAT_S32:
  95                 pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE;
  96                 break;
  97         default:
  98                 return -EINVAL;
  99         }
 100
 101         /* send IPC to the DSP */
 102         ret = sof_ipc_tx_message(sdev->ipc, pcm.hdr.cmd, &pcm, sizeof(pcm),
 103                                  &ipc_params_reply, sizeof(ipc_params_reply));
 104         if (ret < 0)
 105                 dev_err(sdev->dev, "error: pcm params failed for %s\n",
 106                         swidget->widget->name);
 107
 108         return ret;
 109 }
 110
 111  /* send stream trigger ipc */
 112 static int ipc_trigger(struct snd_sof_widget *swidget, int cmd)
 113 {
 114         struct snd_sof_dev *sdev = swidget->sdev;
 115         struct sof_ipc_stream stream;
 116         struct sof_ipc_reply reply;
 117         int ret = 0;
 118
 119         /* set IPC stream params */
 120         stream.hdr.size = sizeof(stream);
 121         stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | cmd;
 122         stream.comp_id = swidget->comp_id;
 123
 124         /* send IPC to the DSP */
 125         ret = sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, &stream,
 126                                  sizeof(stream), &reply, sizeof(reply));
 127         if (ret < 0)
 128                 dev_err(sdev->dev, "error: failed to trigger %s\n",
 129                         swidget->widget->name);
 130
 131         return ret;
 132 }
 133
 134 static int sof_keyword_dapm_event(struct snd_soc_dapm_widget *w,
 135                                   struct snd_kcontrol *k, int event)
 136 {
 137         struct snd_sof_widget *swidget = w->dobj.private;
 138         struct snd_sof_dev *sdev;
 139         int ret = 0;
 140
 141         if (!swidget)
 142                 return 0;
 143
 144         sdev = swidget->sdev;
 145
 146         dev_dbg(sdev->dev, "received event %d for widget %s\n",
 147                 event, w->name);
 148
 149         /* process events */
 150         switch (event) {
 151         case SND_SOC_DAPM_PRE_PMU:
 152                 /* set pcm params */
 153                 ret = ipc_pcm_params(swidget, SOF_IPC_STREAM_CAPTURE);
 154                 if (ret < 0) {
 155                         dev_err(sdev->dev,
 156                                 "error: failed to set pcm params for widget %s\n",
 157                                 swidget->widget->name);
 158                         break;
 159                 }
 160
 161                 /* start trigger */
 162                 ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_START);
 163                 if (ret < 0)
 164                         dev_err(sdev->dev,
 165                                 "error: failed to trigger widget %s\n",
 166                                 swidget->widget->name);
 167                 break;
 168         case SND_SOC_DAPM_POST_PMD:
 169                 /* stop trigger */
 170                 ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_STOP);
 171                 if (ret < 0)
 172                         dev_err(sdev->dev,
 173                                 "error: failed to trigger widget %s\n",
 174                                 swidget->widget->name);
 175
 176                 /* pcm free */
 177                 ret = ipc_trigger(swidget, SOF_IPC_STREAM_PCM_FREE);
 178                 if (ret < 0)
 179                         dev_err(sdev->dev,
 180                                 "error: failed to trigger widget %s\n",
 181                                 swidget->widget->name);
 182                 break;
 183         default:
 184                 break;
 185         }
 186
 187         return ret;
 188 }
 189
 190 /* event handlers for keyword detect component */
 191 static const struct snd_soc_tplg_widget_events sof_kwd_events[] = {
 192         {SOF_KEYWORD_DETECT_DAPM_EVENT, sof_keyword_dapm_event},
 193 };
 194
 195 static inline int get_tlv_data(const int *p, int tlv[TLV_ITEMS])
 196 {
 197         /* we only support dB scale TLV type at the moment */
 198         if ((int)p[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
 199                 return -EINVAL;
 200
 201         /* min value in topology tlv data is multiplied by 100 */
 202         tlv[TLV_MIN] = (int)p[SNDRV_CTL_TLVO_DB_SCALE_MIN] / 100;
 203
 204         /* volume steps */
 205         tlv[TLV_STEP] = (int)(p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
 206                                 TLV_DB_SCALE_MASK);
 207
 208         /* mute ON/OFF */
 209         if ((p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
 210                 TLV_DB_SCALE_MUTE) == 0)
 211                 tlv[TLV_MUTE] = 0;
 212         else
 213                 tlv[TLV_MUTE] = 1;
 214
 215         return 0;
 216 }
 217
 218 /*
 219  * Function to truncate an unsigned 64-bit number
 220  * by x bits and return 32-bit unsigned number. This
 221  * function also takes care of rounding while truncating
 222  */
 223 static inline u32 vol_shift_64(u64 i, u32 x)
 224 {
 225         /* do not truncate more than 32 bits */
 226         if (x > 32)
 227                 x = 32;
 228
 229         if (x == 0)
 230                 return (u32)i;
 231
 232         return (u32)(((i >> (x - 1)) + 1) >> 1);
 233 }
 234
 235 /*
 236  * Function to compute a ^ exp where,
 237  * a is a fractional number represented by a fixed-point
 238  * integer with a fractional world length of "fwl"
 239  * exp is an integer
 240  * fwl is the fractional word length
 241  * Return value is a fractional number represented by a
 242  * fixed-point integer with a fractional word length of "fwl"
 243  */
 244 static u32 vol_pow32(u32 a, int exp, u32 fwl)
 245 {
 246         int i, iter;
 247         u32 power = 1 << fwl;
 248         u64 numerator;
 249
 250         /* if exponent is 0, return 1 */
 251         if (exp == 0)
 252                 return power;
 253
 254         /* determine the number of iterations based on the exponent */
 255         if (exp < 0)
 256                 iter = exp * -1;
 257         else
 258                 iter = exp;
 259
 260         /* mutiply a "iter" times to compute power */
 261         for (i = 0; i < iter; i++) {
 262                 /*
 263                  * Product of 2 Qx.fwl fixed-point numbers yields a Q2*x.2*fwl
 264                  * Truncate product back to fwl fractional bits with rounding
 265                  */
 266                 power = vol_shift_64((u64)power * a, fwl);
 267         }
 268
 269         if (exp > 0) {
 270                 /* if exp is positive, return the result */
 271                 return power;
 272         }
 273
 274         /* if exp is negative, return the multiplicative inverse */
 275         numerator = (u64)1 << (fwl << 1);
 276         do_div(numerator, power);
 277
 278         return (u32)numerator;
 279 }
 280
 281 /*
 282  * Function to calculate volume gain from TLV data.
 283  * This function can only handle gain steps that are multiples of 0.5 dB
 284  */
 285 static u32 vol_compute_gain(u32 value, int *tlv)
 286 {
 287         int dB_gain;
 288         u32 linear_gain;
 289         int f_step;
 290
 291         /* mute volume */
 292         if (value == 0 && tlv[TLV_MUTE])
 293                 return 0;
 294
 295         /*
 296          * compute dB gain from tlv. tlv_step
 297          * in topology is multiplied by 100
 298          */
 299         dB_gain = tlv[TLV_MIN] + (value * tlv[TLV_STEP]) / 100;
 300
 301         /*
 302          * compute linear gain represented by fixed-point
 303          * int with VOLUME_FWL fractional bits
 304          */
 305         linear_gain = vol_pow32(VOL_TWENTIETH_ROOT_OF_TEN, dB_gain, VOLUME_FWL);
 306
 307         /* extract the fractional part of volume step */
 308         f_step = tlv[TLV_STEP] - (tlv[TLV_STEP] / 100);
 309
 310         /* if volume step is an odd multiple of 0.5 dB */
 311         if (f_step == VOL_HALF_DB_STEP && (value & 1))
 312                 linear_gain = vol_shift_64((u64)linear_gain *
 313                                                   VOL_FORTIETH_ROOT_OF_TEN,
 314                                                   VOLUME_FWL);
 315
 316         return linear_gain;
 317 }
 318
 319 /*
 320  * Set up volume table for kcontrols from tlv data
 321  * "size" specifies the number of entries in the table
 322  */
 323 static int set_up_volume_table(struct snd_sof_control *scontrol,
 324                                int tlv[TLV_ITEMS], int size)
 325 {
 326         int j;
 327
 328         /* init the volume table */
 329         scontrol->volume_table = kcalloc(size, sizeof(u32), GFP_KERNEL);
 330         if (!scontrol->volume_table)
 331                 return -ENOMEM;
 332
 333         /* populate the volume table */
 334         for (j = 0; j < size ; j++)
 335                 scontrol->volume_table[j] = vol_compute_gain(j, tlv);
 336
 337         return 0;
 338 }
 339
 340 struct sof_dai_types {
 341         const char *name;
 342         enum sof_ipc_dai_type type;
 343 };
 344
 345 static const struct sof_dai_types sof_dais[] = {
 346         {"SSP", SOF_DAI_INTEL_SSP},
 347         {"HDA", SOF_DAI_INTEL_HDA},
 348         {"DMIC", SOF_DAI_INTEL_DMIC},
 349         {"ALH", SOF_DAI_INTEL_ALH},
 350         {"SAI", SOF_DAI_IMX_SAI},
 351         {"ESAI", SOF_DAI_IMX_ESAI},
 352 };
 353
 354 static enum sof_ipc_dai_type find_dai(const char *name)
 355 {
 356         int i;
 357
 358         for (i = 0; i < ARRAY_SIZE(sof_dais); i++) {
 359                 if (strcmp(name, sof_dais[i].name) == 0)
 360                         return sof_dais[i].type;
 361         }
 362
 363         return SOF_DAI_INTEL_NONE;
 364 }
 365
 366 /*
 367  * Supported Frame format types and lookup, add new ones to end of list.
 368  */
 369
 370 struct sof_frame_types {
 371         const char *name;
 372         enum sof_ipc_frame frame;
 373 };
 374
 375 static const struct sof_frame_types sof_frames[] = {
 376         {"s16le", SOF_IPC_FRAME_S16_LE},
 377         {"s24le", SOF_IPC_FRAME_S24_4LE},
 378         {"s32le", SOF_IPC_FRAME_S32_LE},
 379         {"float", SOF_IPC_FRAME_FLOAT},
 380 };
 381
 382 static enum sof_ipc_frame find_format(const char *name)
 383 {
 384         int i;
 385
 386         for (i = 0; i < ARRAY_SIZE(sof_frames); i++) {
 387                 if (strcmp(name, sof_frames[i].name) == 0)
 388                         return sof_frames[i].frame;
 389         }
 390
 391         /* use s32le if nothing is specified */
 392         return SOF_IPC_FRAME_S32_LE;
 393 }
 394
 395 struct sof_process_types {
 396         const char *name;
 397         enum sof_ipc_process_type type;
 398         enum sof_comp_type comp_type;
 399 };
 400
 401 static const struct sof_process_types sof_process[] = {
 402         {"EQFIR", SOF_PROCESS_EQFIR, SOF_COMP_EQ_FIR},
 403         {"EQIIR", SOF_PROCESS_EQIIR, SOF_COMP_EQ_IIR},
 404         {"KEYWORD_DETECT", SOF_PROCESS_KEYWORD_DETECT, SOF_COMP_KEYWORD_DETECT},
 405         {"KPB", SOF_PROCESS_KPB, SOF_COMP_KPB},
 406         {"CHAN_SELECTOR", SOF_PROCESS_CHAN_SELECTOR, SOF_COMP_SELECTOR},
 407         {"MUX", SOF_PROCESS_MUX, SOF_COMP_MUX},
 408         {"DEMUX", SOF_PROCESS_DEMUX, SOF_COMP_DEMUX},
 409 };
 410
 411 static enum sof_ipc_process_type find_process(const char *name)
 412 {
 413         int i;
 414
 415         for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
 416                 if (strcmp(name, sof_process[i].name) == 0)
 417                         return sof_process[i].type;
 418         }
 419
 420         return SOF_PROCESS_NONE;
 421 }
 422
 423 static enum sof_comp_type find_process_comp_type(enum sof_ipc_process_type type)
 424 {
 425         int i;
 426
 427         for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
 428                 if (sof_process[i].type == type)
 429                         return sof_process[i].comp_type;
 430         }
 431
 432         return SOF_COMP_NONE;
 433 }
 434
 435 /*
 436  * Standard Kcontrols.
 437  */
 438
 439 static int sof_control_load_volume(struct snd_soc_component *scomp,
 440                                    struct snd_sof_control *scontrol,
 441                                    struct snd_kcontrol_new *kc,
 442                                    struct snd_soc_tplg_ctl_hdr *hdr)
 443 {
 444         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 445         struct snd_soc_tplg_mixer_control *mc =
 446                 container_of(hdr, struct snd_soc_tplg_mixer_control, hdr);
 447         struct sof_ipc_ctrl_data *cdata;
 448         int tlv[TLV_ITEMS];
 449         unsigned int i;
 450         int ret;
 451
 452         /* validate topology data */
 453         if (le32_to_cpu(mc->num_channels) > SND_SOC_TPLG_MAX_CHAN)
 454                 return -EINVAL;
 455
 456         /* init the volume get/put data */
 457         scontrol->size = struct_size(scontrol->control_data, chanv,
 458                                      le32_to_cpu(mc->num_channels));
 459         scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
 460         if (!scontrol->control_data)
 461                 return -ENOMEM;
 462
 463         scontrol->comp_id = sdev->next_comp_id;
 464         scontrol->min_volume_step = le32_to_cpu(mc->min);
 465         scontrol->max_volume_step = le32_to_cpu(mc->max);
 466         scontrol->num_channels = le32_to_cpu(mc->num_channels);
 467
 468         /* set cmd for mixer control */
 469         if (le32_to_cpu(mc->max) == 1) {
 470                 scontrol->cmd = SOF_CTRL_CMD_SWITCH;
 471                 goto out;
 472         }
 473
 474         scontrol->cmd = SOF_CTRL_CMD_VOLUME;
 475
 476         /* extract tlv data */
 477         if (get_tlv_data(kc->tlv.p, tlv) < 0) {
 478                 dev_err(sdev->dev, "error: invalid TLV data\n");
 479                 return -EINVAL;
 480         }
 481
 482         /* set up volume table */
 483         ret = set_up_volume_table(scontrol, tlv, le32_to_cpu(mc->max) + 1);
 484         if (ret < 0) {
 485                 dev_err(sdev->dev, "error: setting up volume table\n");
 486                 return ret;
 487         }
 488
 489         /* set default volume values to 0dB in control */
 490         cdata = scontrol->control_data;
 491         for (i = 0; i < scontrol->num_channels; i++) {
 492                 cdata->chanv[i].channel = i;
 493                 cdata->chanv[i].value = VOL_ZERO_DB;
 494         }
 495
 496 out:
 497         dev_dbg(sdev->dev, "tplg: load kcontrol index %d chans %d\n",
 498                 scontrol->comp_id, scontrol->num_channels);
 499
 500         return 0;
 501 }
 502
 503 static int sof_control_load_enum(struct snd_soc_component *scomp,
 504                                  struct snd_sof_control *scontrol,
 505                                  struct snd_kcontrol_new *kc,
 506                                  struct snd_soc_tplg_ctl_hdr *hdr)
 507 {
 508         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 509         struct snd_soc_tplg_enum_control *ec =
 510                 container_of(hdr, struct snd_soc_tplg_enum_control, hdr);
 511
 512         /* validate topology data */
 513         if (le32_to_cpu(ec->num_channels) > SND_SOC_TPLG_MAX_CHAN)
 514                 return -EINVAL;
 515
 516         /* init the enum get/put data */
 517         scontrol->size = struct_size(scontrol->control_data, chanv,
 518                                      le32_to_cpu(ec->num_channels));
 519         scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
 520         if (!scontrol->control_data)
 521                 return -ENOMEM;
 522
 523         scontrol->comp_id = sdev->next_comp_id;
 524         scontrol->num_channels = le32_to_cpu(ec->num_channels);
 525
 526         scontrol->cmd = SOF_CTRL_CMD_ENUM;
 527
 528         dev_dbg(sdev->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n",
 529                 scontrol->comp_id, scontrol->num_channels, scontrol->comp_id);
 530
 531         return 0;
 532 }
 533
 534 static int sof_control_load_bytes(struct snd_soc_component *scomp,
 535                                   struct snd_sof_control *scontrol,
 536                                   struct snd_kcontrol_new *kc,
 537                                   struct snd_soc_tplg_ctl_hdr *hdr)
 538 {
 539         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 540         struct sof_ipc_ctrl_data *cdata;
 541         struct snd_soc_tplg_bytes_control *control =
 542                 container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
 543         struct soc_bytes_ext *sbe = (struct soc_bytes_ext *)kc->private_value;
 544         int max_size = sbe->max;
 545
 546         if (le32_to_cpu(control->priv.size) > max_size) {
 547                 dev_err(sdev->dev, "err: bytes data size %d exceeds max %d.\n",
 548                         control->priv.size, max_size);
 549                 return -EINVAL;
 550         }
 551
 552         /* init the get/put bytes data */
 553         scontrol->size = sizeof(struct sof_ipc_ctrl_data) +
 554                 le32_to_cpu(control->priv.size);
 555         scontrol->control_data = kzalloc(max_size, GFP_KERNEL);
 556         cdata = scontrol->control_data;
 557         if (!scontrol->control_data)
 558                 return -ENOMEM;
 559
 560         scontrol->comp_id = sdev->next_comp_id;
 561         scontrol->cmd = SOF_CTRL_CMD_BINARY;
 562
 563         dev_dbg(sdev->dev, "tplg: load kcontrol index %d chans %d\n",
 564                 scontrol->comp_id, scontrol->num_channels);
 565
 566         if (le32_to_cpu(control->priv.size) > 0) {
 567                 memcpy(cdata->data, control->priv.data,
 568                        le32_to_cpu(control->priv.size));
 569
 570                 if (cdata->data->magic != SOF_ABI_MAGIC) {
 571                         dev_err(sdev->dev, "error: Wrong ABI magic 0x%08x.\n",
 572                                 cdata->data->magic);
 573                         return -EINVAL;
 574                 }
 575                 if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION,
 576                                                  cdata->data->abi)) {
 577                         dev_err(sdev->dev,
 578                                 "error: Incompatible ABI version 0x%08x.\n",
 579                                 cdata->data->abi);
 580                         return -EINVAL;
 581                 }
 582                 if (cdata->data->size + sizeof(const struct sof_abi_hdr) !=
 583                     le32_to_cpu(control->priv.size)) {
 584                         dev_err(sdev->dev,
 585                                 "error: Conflict in bytes vs. priv size.\n");
 586                         return -EINVAL;
 587                 }
 588         }
 589         return 0;
 590 }
 591
 592 /*
 593  * Topology Token Parsing.
 594  * New tokens should be added to headers and parsing tables below.
 595  */
 596
 597 struct sof_topology_token {
 598         u32 token;
 599         u32 type;
 600         int (*get_token)(void *elem, void *object, u32 offset, u32 size);
 601         u32 offset;
 602         u32 size;
 603 };
 604
 605 static int get_token_u32(void *elem, void *object, u32 offset, u32 size)
 606 {
 607         struct snd_soc_tplg_vendor_value_elem *velem = elem;
 608         u32 *val = (u32 *)((u8 *)object + offset);
 609
 610         *val = le32_to_cpu(velem->value);
 611         return 0;
 612 }
 613
 614 static int get_token_u16(void *elem, void *object, u32 offset, u32 size)
 615 {
 616         struct snd_soc_tplg_vendor_value_elem *velem = elem;
 617         u16 *val = (u16 *)((u8 *)object + offset);
 618
 619         *val = (u16)le32_to_cpu(velem->value);
 620         return 0;
 621 }
 622
 623 static int get_token_comp_format(void *elem, void *object, u32 offset, u32 size)
 624 {
 625         struct snd_soc_tplg_vendor_string_elem *velem = elem;
 626         u32 *val = (u32 *)((u8 *)object + offset);
 627
 628         *val = find_format(velem->string);
 629         return 0;
 630 }
 631
 632 static int get_token_dai_type(void *elem, void *object, u32 offset, u32 size)
 633 {
 634         struct snd_soc_tplg_vendor_string_elem *velem = elem;
 635         u32 *val = (u32 *)((u8 *)object + offset);
 636
 637         *val = find_dai(velem->string);
 638         return 0;
 639 }
 640
 641 static int get_token_process_type(void *elem, void *object, u32 offset,
 642                                   u32 size)
 643 {
 644         struct snd_soc_tplg_vendor_string_elem *velem = elem;
 645         u32 *val = (u32 *)((u8 *)object + offset);
 646
 647         *val = find_process(velem->string);
 648         return 0;
 649 }
 650
 651 /* Buffers */
 652 static const struct sof_topology_token buffer_tokens[] = {
 653         {SOF_TKN_BUF_SIZE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 654                 offsetof(struct sof_ipc_buffer, size), 0},
 655         {SOF_TKN_BUF_CAPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 656                 offsetof(struct sof_ipc_buffer, caps), 0},
 657 };
 658
 659 /* DAI */
 660 static const struct sof_topology_token dai_tokens[] = {
 661         {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
 662                 offsetof(struct sof_ipc_comp_dai, type), 0},
 663         {SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 664                 offsetof(struct sof_ipc_comp_dai, dai_index), 0},
 665         {SOF_TKN_DAI_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 666                 offsetof(struct sof_ipc_comp_dai, direction), 0},
 667 };
 668
 669 /* BE DAI link */
 670 static const struct sof_topology_token dai_link_tokens[] = {
 671         {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
 672                 offsetof(struct sof_ipc_dai_config, type), 0},
 673         {SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 674                 offsetof(struct sof_ipc_dai_config, dai_index), 0},
 675 };
 676
 677 /* scheduling */
 678 static const struct sof_topology_token sched_tokens[] = {
 679         {SOF_TKN_SCHED_PERIOD, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 680                 offsetof(struct sof_ipc_pipe_new, period), 0},
 681         {SOF_TKN_SCHED_PRIORITY, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 682                 offsetof(struct sof_ipc_pipe_new, priority), 0},
 683         {SOF_TKN_SCHED_MIPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 684                 offsetof(struct sof_ipc_pipe_new, period_mips), 0},
 685         {SOF_TKN_SCHED_CORE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 686                 offsetof(struct sof_ipc_pipe_new, core), 0},
 687         {SOF_TKN_SCHED_FRAMES, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 688                 offsetof(struct sof_ipc_pipe_new, frames_per_sched), 0},
 689         {SOF_TKN_SCHED_TIME_DOMAIN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 690                 offsetof(struct sof_ipc_pipe_new, time_domain), 0},
 691 };
 692
 693 /* volume */
 694 static const struct sof_topology_token volume_tokens[] = {
 695         {SOF_TKN_VOLUME_RAMP_STEP_TYPE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
 696                 get_token_u32, offsetof(struct sof_ipc_comp_volume, ramp), 0},
 697         {SOF_TKN_VOLUME_RAMP_STEP_MS,
 698                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 699                 offsetof(struct sof_ipc_comp_volume, initial_ramp), 0},
 700 };
 701
 702 /* SRC */
 703 static const struct sof_topology_token src_tokens[] = {
 704         {SOF_TKN_SRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 705                 offsetof(struct sof_ipc_comp_src, source_rate), 0},
 706         {SOF_TKN_SRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 707                 offsetof(struct sof_ipc_comp_src, sink_rate), 0},
 708 };
 709
 710 /* Tone */
 711 static const struct sof_topology_token tone_tokens[] = {
 712 };
 713
 714 /* EFFECT */
 715 static const struct sof_topology_token process_tokens[] = {
 716         {SOF_TKN_PROCESS_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING,
 717                 get_token_process_type,
 718                 offsetof(struct sof_ipc_comp_process, type), 0},
 719 };
 720
 721 /* PCM */
 722 static const struct sof_topology_token pcm_tokens[] = {
 723         {SOF_TKN_PCM_DMAC_CONFIG, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 724                 offsetof(struct sof_ipc_comp_host, dmac_config), 0},
 725 };
 726
 727 /* Generic components */
 728 static const struct sof_topology_token comp_tokens[] = {
 729         {SOF_TKN_COMP_PERIOD_SINK_COUNT,
 730                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 731                 offsetof(struct sof_ipc_comp_config, periods_sink), 0},
 732         {SOF_TKN_COMP_PERIOD_SOURCE_COUNT,
 733                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 734                 offsetof(struct sof_ipc_comp_config, periods_source), 0},
 735         {SOF_TKN_COMP_FORMAT,
 736                 SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_comp_format,
 737                 offsetof(struct sof_ipc_comp_config, frame_fmt), 0},
 738 };
 739
 740 /* SSP */
 741 static const struct sof_topology_token ssp_tokens[] = {
 742         {SOF_TKN_INTEL_SSP_CLKS_CONTROL,
 743                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 744                 offsetof(struct sof_ipc_dai_ssp_params, clks_control), 0},
 745         {SOF_TKN_INTEL_SSP_MCLK_ID,
 746                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 747                 offsetof(struct sof_ipc_dai_ssp_params, mclk_id), 0},
 748         {SOF_TKN_INTEL_SSP_SAMPLE_BITS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
 749                 get_token_u32,
 750                 offsetof(struct sof_ipc_dai_ssp_params, sample_valid_bits), 0},
 751         {SOF_TKN_INTEL_SSP_FRAME_PULSE_WIDTH, SND_SOC_TPLG_TUPLE_TYPE_SHORT,
 752                 get_token_u16,
 753                 offsetof(struct sof_ipc_dai_ssp_params, frame_pulse_width), 0},
 754         {SOF_TKN_INTEL_SSP_QUIRKS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
 755                 get_token_u32,
 756                 offsetof(struct sof_ipc_dai_ssp_params, quirks), 0},
 757         {SOF_TKN_INTEL_SSP_TDM_PADDING_PER_SLOT, SND_SOC_TPLG_TUPLE_TYPE_BOOL,
 758                 get_token_u16,
 759                 offsetof(struct sof_ipc_dai_ssp_params,
 760                          tdm_per_slot_padding_flag), 0},
 761         {SOF_TKN_INTEL_SSP_BCLK_DELAY, SND_SOC_TPLG_TUPLE_TYPE_WORD,
 762                 get_token_u32,
 763                 offsetof(struct sof_ipc_dai_ssp_params, bclk_delay), 0},
 764
 765 };
 766
 767 /* DMIC */
 768 static const struct sof_topology_token dmic_tokens[] = {
 769         {SOF_TKN_INTEL_DMIC_DRIVER_VERSION,
 770                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 771                 offsetof(struct sof_ipc_dai_dmic_params, driver_ipc_version),
 772                 0},
 773         {SOF_TKN_INTEL_DMIC_CLK_MIN,
 774                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 775                 offsetof(struct sof_ipc_dai_dmic_params, pdmclk_min), 0},
 776         {SOF_TKN_INTEL_DMIC_CLK_MAX,
 777                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 778                 offsetof(struct sof_ipc_dai_dmic_params, pdmclk_max), 0},
 779         {SOF_TKN_INTEL_DMIC_SAMPLE_RATE,
 780                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 781                 offsetof(struct sof_ipc_dai_dmic_params, fifo_fs), 0},
 782         {SOF_TKN_INTEL_DMIC_DUTY_MIN,
 783                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 784                 offsetof(struct sof_ipc_dai_dmic_params, duty_min), 0},
 785         {SOF_TKN_INTEL_DMIC_DUTY_MAX,
 786                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 787                 offsetof(struct sof_ipc_dai_dmic_params, duty_max), 0},
 788         {SOF_TKN_INTEL_DMIC_NUM_PDM_ACTIVE,
 789                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 790                 offsetof(struct sof_ipc_dai_dmic_params,
 791                          num_pdm_active), 0},
 792         {SOF_TKN_INTEL_DMIC_FIFO_WORD_LENGTH,
 793                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 794                 offsetof(struct sof_ipc_dai_dmic_params, fifo_bits), 0},
 795         {SOF_TKN_INTEL_DMIC_UNMUTE_RAMP_TIME_MS,
 796                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 797                 offsetof(struct sof_ipc_dai_dmic_params, unmute_ramp_time), 0},
 798
 799 };
 800
 801 /*
 802  * DMIC PDM Tokens
 803  * SOF_TKN_INTEL_DMIC_PDM_CTRL_ID should be the first token
 804  * as it increments the index while parsing the array of pdm tokens
 805  * and determines the correct offset
 806  */
 807 static const struct sof_topology_token dmic_pdm_tokens[] = {
 808         {SOF_TKN_INTEL_DMIC_PDM_CTRL_ID,
 809                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 810                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, id),
 811                 0},
 812         {SOF_TKN_INTEL_DMIC_PDM_MIC_A_Enable,
 813                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 814                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_a),
 815                 0},
 816         {SOF_TKN_INTEL_DMIC_PDM_MIC_B_Enable,
 817                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 818                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_b),
 819                 0},
 820         {SOF_TKN_INTEL_DMIC_PDM_POLARITY_A,
 821                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 822                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_a),
 823                 0},
 824         {SOF_TKN_INTEL_DMIC_PDM_POLARITY_B,
 825                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 826                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_b),
 827                 0},
 828         {SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE,
 829                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 830                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, clk_edge),
 831                 0},
 832         {SOF_TKN_INTEL_DMIC_PDM_SKEW,
 833                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 834                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, skew),
 835                 0},
 836 };
 837
 838 /* HDA */
 839 static const struct sof_topology_token hda_tokens[] = {
 840 };
 841
 842 static void sof_parse_uuid_tokens(struct snd_soc_component *scomp,
 843                                   void *object,
 844                                   const struct sof_topology_token *tokens,
 845                                   int count,
 846                                   struct snd_soc_tplg_vendor_array *array)
 847 {
 848         struct snd_soc_tplg_vendor_uuid_elem *elem;
 849         int i, j;
 850
 851         /* parse element by element */
 852         for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
 853                 elem = &array->uuid[i];
 854
 855                 /* search for token */
 856                 for (j = 0; j < count; j++) {
 857                         /* match token type */
 858                         if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_UUID)
 859                                 continue;
 860
 861                         /* match token id */
 862                         if (tokens[j].token != le32_to_cpu(elem->token))
 863                                 continue;
 864
 865                         /* matched - now load token */
 866                         tokens[j].get_token(elem, object, tokens[j].offset,
 867                                             tokens[j].size);
 868                 }
 869         }
 870 }
 871
 872 static void sof_parse_string_tokens(struct snd_soc_component *scomp,
 873                                     void *object,
 874                                     const struct sof_topology_token *tokens,
 875                                     int count,
 876                                     struct snd_soc_tplg_vendor_array *array)
 877 {
 878         struct snd_soc_tplg_vendor_string_elem *elem;
 879         int i, j;
 880
 881         /* parse element by element */
 882         for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
 883                 elem = &array->string[i];
 884
 885                 /* search for token */
 886                 for (j = 0; j < count; j++) {
 887                         /* match token type */
 888                         if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_STRING)
 889                                 continue;
 890
 891                         /* match token id */
 892                         if (tokens[j].token != le32_to_cpu(elem->token))
 893                                 continue;
 894
 895                         /* matched - now load token */
 896                         tokens[j].get_token(elem, object, tokens[j].offset,
 897                                             tokens[j].size);
 898                 }
 899         }
 900 }
 901
 902 static void sof_parse_word_tokens(struct snd_soc_component *scomp,
 903                                   void *object,
 904                                   const struct sof_topology_token *tokens,
 905                                   int count,
 906                                   struct snd_soc_tplg_vendor_array *array)
 907 {
 908         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 909         struct snd_soc_tplg_vendor_value_elem *elem;
 910         size_t size = sizeof(struct sof_ipc_dai_dmic_pdm_ctrl);
 911         int i, j;
 912         u32 offset;
 913         u32 *index = NULL;
 914
 915         /* parse element by element */
 916         for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
 917                 elem = &array->value[i];
 918
 919                 /* search for token */
 920                 for (j = 0; j < count; j++) {
 921                         /* match token type */
 922                         if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD ||
 923                               tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT))
 924                                 continue;
 925
 926                         /* match token id */
 927                         if (tokens[j].token != le32_to_cpu(elem->token))
 928                                 continue;
 929
 930                         /* pdm config array index */
 931                         if (sdev->private)
 932                                 index = sdev->private;
 933
 934                         /* matched - determine offset */
 935                         switch (tokens[j].token) {
 936                         case SOF_TKN_INTEL_DMIC_PDM_CTRL_ID:
 937
 938                                 /* inc number of pdm array index */
 939                                 if (index)
 940                                         (*index)++;
 941                                 /* fallthrough */
 942                         case SOF_TKN_INTEL_DMIC_PDM_MIC_A_Enable:
 943                         case SOF_TKN_INTEL_DMIC_PDM_MIC_B_Enable:
 944                         case SOF_TKN_INTEL_DMIC_PDM_POLARITY_A:
 945                         case SOF_TKN_INTEL_DMIC_PDM_POLARITY_B:
 946                         case SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE:
 947                         case SOF_TKN_INTEL_DMIC_PDM_SKEW:
 948
 949                                 /* check if array index is valid */
 950                                 if (!index || *index == 0) {
 951                                         dev_err(sdev->dev,
 952                                                 "error: invalid array offset\n");
 953                                         continue;
 954                                 } else {
 955                                         /* offset within the pdm config array */
 956                                         offset = size * (*index - 1);
 957                                 }
 958                                 break;
 959                         default:
 960                                 offset = 0;
 961                                 break;
 962                         }
 963
 964                         /* load token */
 965                         tokens[j].get_token(elem, object,
 966                                             offset + tokens[j].offset,
 967                                             tokens[j].size);
 968                 }
 969         }
 970 }
 971
 972 static int sof_parse_tokens(struct snd_soc_component *scomp,
 973                             void *object,
 974                             const struct sof_topology_token *tokens,
 975                             int count,
 976                             struct snd_soc_tplg_vendor_array *array,
 977                             int priv_size)
 978 {
 979         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 980         int asize;
 981
 982         while (priv_size > 0) {
 983                 asize = le32_to_cpu(array->size);
 984
 985                 /* validate asize */
 986                 if (asize < 0) { /* FIXME: A zero-size array makes no sense */
 987                         dev_err(sdev->dev, "error: invalid array size 0x%x\n",
 988                                 asize);
 989                         return -EINVAL;
 990                 }
 991
 992                 /* make sure there is enough data before parsing */
 993                 priv_size -= asize;
 994                 if (priv_size < 0) {
 995                         dev_err(sdev->dev, "error: invalid array size 0x%x\n",
 996                                 asize);
 997                         return -EINVAL;
 998                 }
 999
1000                 /* call correct parser depending on type */
1001                 switch (le32_to_cpu(array->type)) {
1002                 case SND_SOC_TPLG_TUPLE_TYPE_UUID:
1003                         sof_parse_uuid_tokens(scomp, object, tokens, count,
1004                                               array);
1005                         break;
1006                 case SND_SOC_TPLG_TUPLE_TYPE_STRING:
1007                         sof_parse_string_tokens(scomp, object, tokens, count,
1008                                                 array);
1009                         break;
1010                 case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
1011                 case SND_SOC_TPLG_TUPLE_TYPE_BYTE:
1012                 case SND_SOC_TPLG_TUPLE_TYPE_WORD:
1013                 case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
1014                         sof_parse_word_tokens(scomp, object, tokens, count,
1015                                               array);
1016                         break;
1017                 default:
1018                         dev_err(sdev->dev, "error: unknown token type %d\n",
1019                                 array->type);
1020                         return -EINVAL;
1021                 }
1022
1023                 /* next array */
1024                 array = (struct snd_soc_tplg_vendor_array *)((u8 *)array
1025                         + asize);
1026         }
1027         return 0;
1028 }
1029
1030 static void sof_dbg_comp_config(struct snd_soc_component *scomp,
1031                                 struct sof_ipc_comp_config *config)
1032 {
1033         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1034
1035         dev_dbg(sdev->dev, " config: periods snk %d src %d fmt %d\n",
1036                 config->periods_sink, config->periods_source,
1037                 config->frame_fmt);
1038 }
1039
1040 /* external kcontrol init - used for any driver specific init */
1041 static int sof_control_load(struct snd_soc_component *scomp, int index,
1042                             struct snd_kcontrol_new *kc,
1043                             struct snd_soc_tplg_ctl_hdr *hdr)
1044 {
1045         struct soc_mixer_control *sm;
1046         struct soc_bytes_ext *sbe;
1047         struct soc_enum *se;
1048         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1049         struct snd_soc_dobj *dobj;
1050         struct snd_sof_control *scontrol;
1051         int ret = -EINVAL;
1052
1053         dev_dbg(sdev->dev, "tplg: load control type %d name : %s\n",
1054                 hdr->type, hdr->name);
1055
1056         scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL);
1057         if (!scontrol)
1058                 return -ENOMEM;
1059
1060         scontrol->sdev = sdev;
1061
1062         switch (le32_to_cpu(hdr->ops.info)) {
1063         case SND_SOC_TPLG_CTL_VOLSW:
1064         case SND_SOC_TPLG_CTL_VOLSW_SX:
1065         case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1066                 sm = (struct soc_mixer_control *)kc->private_value;
1067                 dobj = &sm->dobj;
1068                 ret = sof_control_load_volume(scomp, scontrol, kc, hdr);
1069                 break;
1070         case SND_SOC_TPLG_CTL_BYTES:
1071                 sbe = (struct soc_bytes_ext *)kc->private_value;
1072                 dobj = &sbe->dobj;
1073                 ret = sof_control_load_bytes(scomp, scontrol, kc, hdr);
1074                 break;
1075         case SND_SOC_TPLG_CTL_ENUM:
1076         case SND_SOC_TPLG_CTL_ENUM_VALUE:
1077                 se = (struct soc_enum *)kc->private_value;
1078                 dobj = &se->dobj;
1079                 ret = sof_control_load_enum(scomp, scontrol, kc, hdr);
1080                 break;
1081         case SND_SOC_TPLG_CTL_RANGE:
1082         case SND_SOC_TPLG_CTL_STROBE:
1083         case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1084         case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1085         case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1086         case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1087         case SND_SOC_TPLG_DAPM_CTL_PIN:
1088         default:
1089                 dev_warn(sdev->dev, "control type not supported %d:%d:%d\n",
1090                          hdr->ops.get, hdr->ops.put, hdr->ops.info);
1091                 kfree(scontrol);
1092                 return 0;
1093         }
1094
1095         dobj->private = scontrol;
1096         list_add(&scontrol->list, &sdev->kcontrol_list);
1097         return ret;
1098 }
1099
1100 static int sof_control_unload(struct snd_soc_component *scomp,
1101                               struct snd_soc_dobj *dobj)
1102 {
1103         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1104         struct sof_ipc_free fcomp;
1105         struct snd_sof_control *scontrol = dobj->private;
1106
1107         dev_dbg(sdev->dev, "tplg: unload control name : %s\n", scomp->name);
1108
1109         fcomp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_FREE;
1110         fcomp.hdr.size = sizeof(fcomp);
1111         fcomp.id = scontrol->comp_id;
1112
1113         kfree(scontrol->control_data);
1114         list_del(&scontrol->list);
1115         kfree(scontrol);
1116         /* send IPC to the DSP */
1117         return sof_ipc_tx_message(sdev->ipc,
1118                                   fcomp.hdr.cmd, &fcomp, sizeof(fcomp),
1119                                   NULL, 0);
1120 }
1121
1122 /*
1123  * DAI Topology
1124  */
1125
1126 static int sof_connect_dai_widget(struct snd_soc_component *scomp,
1127                                   struct snd_soc_dapm_widget *w,
1128                                   struct snd_soc_tplg_dapm_widget *tw,
1129                                   struct snd_sof_dai *dai)
1130 {
1131         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1132         struct snd_soc_card *card = scomp->card;
1133         struct snd_soc_pcm_runtime *rtd;
1134
1135         list_for_each_entry(rtd, &card->rtd_list, list) {
1136                 dev_vdbg(sdev->dev, "tplg: check widget: %s stream: %s dai stream: %s\n",
1137                          w->name,  w->sname, rtd->dai_link->stream_name);
1138
1139                 if (!w->sname || !rtd->dai_link->stream_name)
1140                         continue;
1141
1142                 /* does stream match DAI link ? */
1143                 if (strcmp(w->sname, rtd->dai_link->stream_name))
1144                         continue;
1145
1146                 switch (w->id) {
1147                 case snd_soc_dapm_dai_out:
1148                         rtd->cpu_dai->capture_widget = w;
1149                         dai->name = rtd->dai_link->name;
1150                         dev_dbg(sdev->dev, "tplg: connected widget %s -> DAI link %s\n",
1151                                 w->name, rtd->dai_link->name);
1152                         break;
1153                 case snd_soc_dapm_dai_in:
1154                         rtd->cpu_dai->playback_widget = w;
1155                         dai->name = rtd->dai_link->name;
1156                         dev_dbg(sdev->dev, "tplg: connected widget %s -> DAI link %s\n",
1157                                 w->name, rtd->dai_link->name);
1158                         break;
1159                 default:
1160                         break;
1161                 }
1162         }
1163
1164         /* check we have a connection */
1165         if (!dai->name) {
1166                 dev_err(sdev->dev, "error: can't connect DAI %s stream %s\n",
1167                         w->name, w->sname);
1168                 return -EINVAL;
1169         }
1170
1171         return 0;
1172 }
1173
1174 static int sof_widget_load_dai(struct snd_soc_component *scomp, int index,
1175                                struct snd_sof_widget *swidget,
1176                                struct snd_soc_tplg_dapm_widget *tw,
1177                                struct sof_ipc_comp_reply *r,
1178                                struct snd_sof_dai *dai)
1179 {
1180         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1181         struct snd_soc_tplg_private *private = &tw->priv;
1182         struct sof_ipc_comp_dai comp_dai;
1183         int ret;
1184
1185         /* configure dai IPC message */
1186         memset(&comp_dai, 0, sizeof(comp_dai));
1187         comp_dai.comp.hdr.size = sizeof(comp_dai);
1188         comp_dai.comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1189         comp_dai.comp.id = swidget->comp_id;
1190         comp_dai.comp.type = SOF_COMP_DAI;
1191         comp_dai.comp.pipeline_id = index;
1192         comp_dai.config.hdr.size = sizeof(comp_dai.config);
1193
1194         ret = sof_parse_tokens(scomp, &comp_dai, dai_tokens,
1195                                ARRAY_SIZE(dai_tokens), private->array,
1196                                le32_to_cpu(private->size));
1197         if (ret != 0) {
1198                 dev_err(sdev->dev, "error: parse dai tokens failed %d\n",
1199                         le32_to_cpu(private->size));
1200                 return ret;
1201         }
1202
1203         ret = sof_parse_tokens(scomp, &comp_dai.config, comp_tokens,
1204                                ARRAY_SIZE(comp_tokens), private->array,
1205                                le32_to_cpu(private->size));
1206         if (ret != 0) {
1207                 dev_err(sdev->dev, "error: parse dai.cfg tokens failed %d\n",
1208                         private->size);
1209                 return ret;
1210         }
1211
1212         dev_dbg(sdev->dev, "dai %s: type %d index %d\n",
1213                 swidget->widget->name, comp_dai.type, comp_dai.dai_index);
1214         sof_dbg_comp_config(scomp, &comp_dai.config);
1215
1216         ret = sof_ipc_tx_message(sdev->ipc, comp_dai.comp.hdr.cmd,
1217                                  &comp_dai, sizeof(comp_dai), r, sizeof(*r));
1218
1219         if (ret == 0 && dai) {
1220                 dai->sdev = sdev;
1221                 memcpy(&dai->comp_dai, &comp_dai, sizeof(comp_dai));
1222         }
1223
1224         return ret;
1225 }
1226
1227 /*
1228  * Buffer topology
1229  */
1230
1231 static int sof_widget_load_buffer(struct snd_soc_component *scomp, int index,
1232                                   struct snd_sof_widget *swidget,
1233                                   struct snd_soc_tplg_dapm_widget *tw,
1234                                   struct sof_ipc_comp_reply *r)
1235 {
1236         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1237         struct snd_soc_tplg_private *private = &tw->priv;
1238         struct sof_ipc_buffer *buffer;
1239         int ret;
1240
1241         buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
1242         if (!buffer)
1243                 return -ENOMEM;
1244
1245         /* configure dai IPC message */
1246         buffer->comp.hdr.size = sizeof(*buffer);
1247         buffer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_BUFFER_NEW;
1248         buffer->comp.id = swidget->comp_id;
1249         buffer->comp.type = SOF_COMP_BUFFER;
1250         buffer->comp.pipeline_id = index;
1251
1252         ret = sof_parse_tokens(scomp, buffer, buffer_tokens,
1253                                ARRAY_SIZE(buffer_tokens), private->array,
1254                                le32_to_cpu(private->size));
1255         if (ret != 0) {
1256                 dev_err(sdev->dev, "error: parse buffer tokens failed %d\n",
1257                         private->size);
1258                 kfree(buffer);
1259                 return ret;
1260         }
1261
1262         dev_dbg(sdev->dev, "buffer %s: size %d caps 0x%x\n",
1263                 swidget->widget->name, buffer->size, buffer->caps);
1264
1265         swidget->private = buffer;
1266
1267         ret = sof_ipc_tx_message(sdev->ipc, buffer->comp.hdr.cmd, buffer,
1268                                  sizeof(*buffer), r, sizeof(*r));
1269         if (ret < 0) {
1270                 dev_err(sdev->dev, "error: buffer %s load failed\n",
1271                         swidget->widget->name);
1272                 kfree(buffer);
1273         }
1274
1275         return ret;
1276 }
1277
1278 /* bind PCM ID to host component ID */
1279 static int spcm_bind(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm,
1280                      int dir)
1281 {
1282         struct snd_sof_widget *host_widget;
1283
1284         host_widget = snd_sof_find_swidget_sname(sdev,
1285                                                  spcm->pcm.caps[dir].name,
1286                                                  dir);
1287         if (!host_widget) {
1288                 dev_err(sdev->dev, "can't find host comp to bind pcm\n");
1289                 return -EINVAL;
1290         }
1291
1292         spcm->stream[dir].comp_id = host_widget->comp_id;
1293
1294         return 0;
1295 }
1296
1297 /*
1298  * PCM Topology
1299  */
1300
1301 static int sof_widget_load_pcm(struct snd_soc_component *scomp, int index,
1302                                struct snd_sof_widget *swidget,
1303                                enum sof_ipc_stream_direction dir,
1304                                struct snd_soc_tplg_dapm_widget *tw,
1305                                struct sof_ipc_comp_reply *r)
1306 {
1307         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1308         struct snd_soc_tplg_private *private = &tw->priv;
1309         struct sof_ipc_comp_host *host;
1310         int ret;
1311
1312         host = kzalloc(sizeof(*host), GFP_KERNEL);
1313         if (!host)
1314                 return -ENOMEM;
1315
1316         /* configure host comp IPC message */
1317         host->comp.hdr.size = sizeof(*host);
1318         host->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1319         host->comp.id = swidget->comp_id;
1320         host->comp.type = SOF_COMP_HOST;
1321         host->comp.pipeline_id = index;
1322         host->direction = dir;
1323         host->config.hdr.size = sizeof(host->config);
1324
1325         ret = sof_parse_tokens(scomp, host, pcm_tokens,
1326                                ARRAY_SIZE(pcm_tokens), private->array,
1327                                le32_to_cpu(private->size));
1328         if (ret != 0) {
1329                 dev_err(sdev->dev, "error: parse host tokens failed %d\n",
1330                         private->size);
1331                 goto err;
1332         }
1333
1334         ret = sof_parse_tokens(scomp, &host->config, comp_tokens,
1335                                ARRAY_SIZE(comp_tokens), private->array,
1336                                le32_to_cpu(private->size));
1337         if (ret != 0) {
1338                 dev_err(sdev->dev, "error: parse host.cfg tokens failed %d\n",
1339                         le32_to_cpu(private->size));
1340                 goto err;
1341         }
1342
1343         dev_dbg(sdev->dev, "loaded host %s\n", swidget->widget->name);
1344         sof_dbg_comp_config(scomp, &host->config);
1345
1346         swidget->private = host;
1347
1348         ret = sof_ipc_tx_message(sdev->ipc, host->comp.hdr.cmd, host,
1349                                  sizeof(*host), r, sizeof(*r));
1350         if (ret >= 0)
1351                 return ret;
1352 err:
1353         kfree(host);
1354         return ret;
1355 }
1356
1357 /*
1358  * Pipeline Topology
1359  */
1360 int sof_load_pipeline_ipc(struct snd_sof_dev *sdev,
1361                           struct sof_ipc_pipe_new *pipeline,
1362                           struct sof_ipc_comp_reply *r)
1363 {
1364         struct sof_ipc_pm_core_config pm_core_config;
1365         int ret;
1366
1367         ret = sof_ipc_tx_message(sdev->ipc, pipeline->hdr.cmd, pipeline,
1368                                  sizeof(*pipeline), r, sizeof(*r));
1369         if (ret < 0) {
1370                 dev_err(sdev->dev, "error: load pipeline ipc failure\n");
1371                 return ret;
1372         }
1373
1374         /* power up the core that this pipeline is scheduled on */
1375         ret = snd_sof_dsp_core_power_up(sdev, 1 << pipeline->core);
1376         if (ret < 0) {
1377                 dev_err(sdev->dev, "error: powering up pipeline schedule core %d\n",
1378                         pipeline->core);
1379                 return ret;
1380         }
1381
1382         /* update enabled cores mask */
1383         sdev->enabled_cores_mask |= 1 << pipeline->core;
1384
1385         /*
1386          * Now notify DSP that the core that this pipeline is scheduled on
1387          * has been powered up
1388          */
1389         memset(&pm_core_config, 0, sizeof(pm_core_config));
1390         pm_core_config.enable_mask = sdev->enabled_cores_mask;
1391
1392         /* configure CORE_ENABLE ipc message */
1393         pm_core_config.hdr.size = sizeof(pm_core_config);
1394         pm_core_config.hdr.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE;
1395
1396         /* send ipc */
1397         ret = sof_ipc_tx_message(sdev->ipc, pm_core_config.hdr.cmd,
1398                                  &pm_core_config, sizeof(pm_core_config),
1399                                  &pm_core_config, sizeof(pm_core_config));
1400         if (ret < 0)
1401                 dev_err(sdev->dev, "error: core enable ipc failure\n");
1402
1403         return ret;
1404 }
1405
1406 static int sof_widget_load_pipeline(struct snd_soc_component *scomp,
1407                                     int index, struct snd_sof_widget *swidget,
1408                                     struct snd_soc_tplg_dapm_widget *tw,
1409                                     struct sof_ipc_comp_reply *r)
1410 {
1411         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1412         struct snd_soc_tplg_private *private = &tw->priv;
1413         struct sof_ipc_pipe_new *pipeline;
1414         struct snd_sof_widget *comp_swidget;
1415         int ret;
1416
1417         pipeline = kzalloc(sizeof(*pipeline), GFP_KERNEL);
1418         if (!pipeline)
1419                 return -ENOMEM;
1420
1421         /* configure dai IPC message */
1422         pipeline->hdr.size = sizeof(*pipeline);
1423         pipeline->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_NEW;
1424         pipeline->pipeline_id = index;
1425         pipeline->comp_id = swidget->comp_id;
1426
1427         /* component at start of pipeline is our stream id */
1428         comp_swidget = snd_sof_find_swidget(sdev, tw->sname);
1429         if (!comp_swidget) {
1430                 dev_err(sdev->dev, "error: widget %s refers to non existent widget %s\n",
1431                         tw->name, tw->sname);
1432                 ret = -EINVAL;
1433                 goto err;
1434         }
1435
1436         pipeline->sched_id = comp_swidget->comp_id;
1437
1438         dev_dbg(sdev->dev, "tplg: pipeline id %d comp %d scheduling comp id %d\n",
1439                 pipeline->pipeline_id, pipeline->comp_id, pipeline->sched_id);
1440
1441         ret = sof_parse_tokens(scomp, pipeline, sched_tokens,
1442                                ARRAY_SIZE(sched_tokens), private->array,
1443                                le32_to_cpu(private->size));
1444         if (ret != 0) {
1445                 dev_err(sdev->dev, "error: parse pipeline tokens failed %d\n",
1446                         private->size);
1447                 goto err;
1448         }
1449
1450         dev_dbg(sdev->dev, "pipeline %s: period %d pri %d mips %d core %d frames %d\n",
1451                 swidget->widget->name, pipeline->period, pipeline->priority,
1452                 pipeline->period_mips, pipeline->core, pipeline->frames_per_sched);
1453
1454         swidget->private = pipeline;
1455
1456         /* send ipc's to create pipeline comp and power up schedule core */
1457         ret = sof_load_pipeline_ipc(sdev, pipeline, r);
1458         if (ret >= 0)
1459                 return ret;
1460 err:
1461         kfree(pipeline);
1462         return ret;
1463 }
1464
1465 /*
1466  * Mixer topology
1467  */
1468
1469 static int sof_widget_load_mixer(struct snd_soc_component *scomp, int index,
1470                                  struct snd_sof_widget *swidget,
1471                                  struct snd_soc_tplg_dapm_widget *tw,
1472                                  struct sof_ipc_comp_reply *r)
1473 {
1474         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1475         struct snd_soc_tplg_private *private = &tw->priv;
1476         struct sof_ipc_comp_mixer *mixer;
1477         int ret;
1478
1479         mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);
1480         if (!mixer)
1481                 return -ENOMEM;
1482
1483         /* configure mixer IPC message */
1484         mixer->comp.hdr.size = sizeof(*mixer);
1485         mixer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1486         mixer->comp.id = swidget->comp_id;
1487         mixer->comp.type = SOF_COMP_MIXER;
1488         mixer->comp.pipeline_id = index;
1489         mixer->config.hdr.size = sizeof(mixer->config);
1490
1491         ret = sof_parse_tokens(scomp, &mixer->config, comp_tokens,
1492                                ARRAY_SIZE(comp_tokens), private->array,
1493                                le32_to_cpu(private->size));
1494         if (ret != 0) {
1495                 dev_err(sdev->dev, "error: parse mixer.cfg tokens failed %d\n",
1496                         private->size);
1497                 kfree(mixer);
1498                 return ret;
1499         }
1500
1501         sof_dbg_comp_config(scomp, &mixer->config);
1502
1503         swidget->private = mixer;
1504
1505         ret = sof_ipc_tx_message(sdev->ipc, mixer->comp.hdr.cmd, mixer,
1506                                  sizeof(*mixer), r, sizeof(*r));
1507         if (ret < 0)
1508                 kfree(mixer);
1509
1510         return ret;
1511 }
1512
1513 /*
1514  * Mux topology
1515  */
1516 static int sof_widget_load_mux(struct snd_soc_component *scomp, int index,
1517                                struct snd_sof_widget *swidget,
1518                                struct snd_soc_tplg_dapm_widget *tw,
1519                                struct sof_ipc_comp_reply *r)
1520 {
1521         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1522         struct snd_soc_tplg_private *private = &tw->priv;
1523         struct sof_ipc_comp_mux *mux;
1524         int ret;
1525
1526         mux = kzalloc(sizeof(*mux), GFP_KERNEL);
1527         if (!mux)
1528                 return -ENOMEM;
1529
1530         /* configure mux IPC message */
1531         mux->comp.hdr.size = sizeof(*mux);
1532         mux->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1533         mux->comp.id = swidget->comp_id;
1534         mux->comp.type = SOF_COMP_MUX;
1535         mux->comp.pipeline_id = index;
1536         mux->config.hdr.size = sizeof(mux->config);
1537
1538         ret = sof_parse_tokens(scomp, &mux->config, comp_tokens,
1539                                ARRAY_SIZE(comp_tokens), private->array,
1540                                le32_to_cpu(private->size));
1541         if (ret != 0) {
1542                 dev_err(sdev->dev, "error: parse mux.cfg tokens failed %d\n",
1543                         private->size);
1544                 kfree(mux);
1545                 return ret;
1546         }
1547
1548         sof_dbg_comp_config(scomp, &mux->config);
1549
1550         swidget->private = mux;
1551
1552         ret = sof_ipc_tx_message(sdev->ipc, mux->comp.hdr.cmd, mux,
1553                                  sizeof(*mux), r, sizeof(*r));
1554         if (ret < 0)
1555                 kfree(mux);
1556
1557         return ret;
1558 }
1559
1560 /*
1561  * PGA Topology
1562  */
1563
1564 static int sof_widget_load_pga(struct snd_soc_component *scomp, int index,
1565                                struct snd_sof_widget *swidget,
1566                                struct snd_soc_tplg_dapm_widget *tw,
1567                                struct sof_ipc_comp_reply *r)
1568 {
1569         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1570         struct snd_soc_tplg_private *private = &tw->priv;
1571         struct sof_ipc_comp_volume *volume;
1572         struct snd_sof_control *scontrol;
1573         int min_step;
1574         int max_step;
1575         int ret;
1576
1577         volume = kzalloc(sizeof(*volume), GFP_KERNEL);
1578         if (!volume)
1579                 return -ENOMEM;
1580
1581         if (le32_to_cpu(tw->num_kcontrols) != 1) {
1582                 dev_err(sdev->dev, "error: invalid kcontrol count %d for volume\n",
1583                         tw->num_kcontrols);
1584                 ret = -EINVAL;
1585                 goto err;
1586         }
1587
1588         /* configure volume IPC message */
1589         volume->comp.hdr.size = sizeof(*volume);
1590         volume->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1591         volume->comp.id = swidget->comp_id;
1592         volume->comp.type = SOF_COMP_VOLUME;
1593         volume->comp.pipeline_id = index;
1594         volume->config.hdr.size = sizeof(volume->config);
1595
1596         ret = sof_parse_tokens(scomp, volume, volume_tokens,
1597                                ARRAY_SIZE(volume_tokens), private->array,
1598                                le32_to_cpu(private->size));
1599         if (ret != 0) {
1600                 dev_err(sdev->dev, "error: parse volume tokens failed %d\n",
1601                         private->size);
1602                 goto err;
1603         }
1604         ret = sof_parse_tokens(scomp, &volume->config, comp_tokens,
1605                                ARRAY_SIZE(comp_tokens), private->array,
1606                                le32_to_cpu(private->size));
1607         if (ret != 0) {
1608                 dev_err(sdev->dev, "error: parse volume.cfg tokens failed %d\n",
1609                         le32_to_cpu(private->size));
1610                 goto err;
1611         }
1612
1613         sof_dbg_comp_config(scomp, &volume->config);
1614
1615         swidget->private = volume;
1616
1617         list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
1618                 if (scontrol->comp_id == swidget->comp_id) {
1619                         min_step = scontrol->min_volume_step;
1620                         max_step = scontrol->max_volume_step;
1621                         volume->min_value = scontrol->volume_table[min_step];
1622                         volume->max_value = scontrol->volume_table[max_step];
1623                         volume->channels = scontrol->num_channels;
1624                         break;
1625                 }
1626         }
1627
1628         ret = sof_ipc_tx_message(sdev->ipc, volume->comp.hdr.cmd, volume,
1629                                  sizeof(*volume), r, sizeof(*r));
1630         if (ret >= 0)
1631                 return ret;
1632 err:
1633         kfree(volume);
1634         return ret;
1635 }
1636
1637 /*
1638  * SRC Topology
1639  */
1640
1641 static int sof_widget_load_src(struct snd_soc_component *scomp, int index,
1642                                struct snd_sof_widget *swidget,
1643                                struct snd_soc_tplg_dapm_widget *tw,
1644                                struct sof_ipc_comp_reply *r)
1645 {
1646         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1647         struct snd_soc_tplg_private *private = &tw->priv;
1648         struct sof_ipc_comp_src *src;
1649         int ret;
1650
1651         src = kzalloc(sizeof(*src), GFP_KERNEL);
1652         if (!src)
1653                 return -ENOMEM;
1654
1655         /* configure src IPC message */
1656         src->comp.hdr.size = sizeof(*src);
1657         src->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1658         src->comp.id = swidget->comp_id;
1659         src->comp.type = SOF_COMP_SRC;
1660         src->comp.pipeline_id = index;
1661         src->config.hdr.size = sizeof(src->config);
1662
1663         ret = sof_parse_tokens(scomp, src, src_tokens,
1664                                ARRAY_SIZE(src_tokens), private->array,
1665                                le32_to_cpu(private->size));
1666         if (ret != 0) {
1667                 dev_err(sdev->dev, "error: parse src tokens failed %d\n",
1668                         private->size);
1669                 goto err;
1670         }
1671
1672         ret = sof_parse_tokens(scomp, &src->config, comp_tokens,
1673                                ARRAY_SIZE(comp_tokens), private->array,
1674                                le32_to_cpu(private->size));
1675         if (ret != 0) {
1676                 dev_err(sdev->dev, "error: parse src.cfg tokens failed %d\n",
1677                         le32_to_cpu(private->size));
1678                 goto err;
1679         }
1680
1681         dev_dbg(sdev->dev, "src %s: source rate %d sink rate %d\n",
1682                 swidget->widget->name, src->source_rate, src->sink_rate);
1683         sof_dbg_comp_config(scomp, &src->config);
1684
1685         swidget->private = src;
1686
1687         ret = sof_ipc_tx_message(sdev->ipc, src->comp.hdr.cmd, src,
1688                                  sizeof(*src), r, sizeof(*r));
1689         if (ret >= 0)
1690                 return ret;
1691 err:
1692         kfree(src);
1693         return ret;
1694 }
1695
1696 /*
1697  * Signal Generator Topology
1698  */
1699
1700 static int sof_widget_load_siggen(struct snd_soc_component *scomp, int index,
1701                                   struct snd_sof_widget *swidget,
1702                                   struct snd_soc_tplg_dapm_widget *tw,
1703                                   struct sof_ipc_comp_reply *r)
1704 {
1705         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1706         struct snd_soc_tplg_private *private = &tw->priv;
1707         struct sof_ipc_comp_tone *tone;
1708         int ret;
1709
1710         tone = kzalloc(sizeof(*tone), GFP_KERNEL);
1711         if (!tone)
1712                 return -ENOMEM;
1713
1714         /* configure siggen IPC message */
1715         tone->comp.hdr.size = sizeof(*tone);
1716         tone->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1717         tone->comp.id = swidget->comp_id;
1718         tone->comp.type = SOF_COMP_TONE;
1719         tone->comp.pipeline_id = index;
1720         tone->config.hdr.size = sizeof(tone->config);
1721
1722         ret = sof_parse_tokens(scomp, tone, tone_tokens,
1723                                ARRAY_SIZE(tone_tokens), private->array,
1724                                le32_to_cpu(private->size));
1725         if (ret != 0) {
1726                 dev_err(sdev->dev, "error: parse tone tokens failed %d\n",
1727                         le32_to_cpu(private->size));
1728                 goto err;
1729         }
1730
1731         ret = sof_parse_tokens(scomp, &tone->config, comp_tokens,
1732                                ARRAY_SIZE(comp_tokens), private->array,
1733                                le32_to_cpu(private->size));
1734         if (ret != 0) {
1735                 dev_err(sdev->dev, "error: parse tone.cfg tokens failed %d\n",
1736                         le32_to_cpu(private->size));
1737                 goto err;
1738         }
1739
1740         dev_dbg(sdev->dev, "tone %s: frequency %d amplitude %d\n",
1741                 swidget->widget->name, tone->frequency, tone->amplitude);
1742         sof_dbg_comp_config(scomp, &tone->config);
1743
1744         swidget->private = tone;
1745
1746         ret = sof_ipc_tx_message(sdev->ipc, tone->comp.hdr.cmd, tone,
1747                                  sizeof(*tone), r, sizeof(*r));
1748         if (ret >= 0)
1749                 return ret;
1750 err:
1751         kfree(tone);
1752         return ret;
1753 }
1754
1755 static int sof_get_control_data(struct snd_sof_dev *sdev,
1756                                 struct snd_soc_dapm_widget *widget,
1757                                 struct sof_widget_data *wdata,
1758                                 size_t *size)
1759 {
1760         const struct snd_kcontrol_new *kc;
1761         struct soc_mixer_control *sm;
1762         struct soc_bytes_ext *sbe;
1763         struct soc_enum *se;
1764         int i;
1765
1766         *size = 0;
1767
1768         for (i = 0; i < widget->num_kcontrols; i++) {
1769                 kc = &widget->kcontrol_news[i];
1770
1771                 switch (widget->dobj.widget.kcontrol_type) {
1772                 case SND_SOC_TPLG_TYPE_MIXER:
1773                         sm = (struct soc_mixer_control *)kc->private_value;
1774                         wdata[i].control = sm->dobj.private;
1775                         break;
1776                 case SND_SOC_TPLG_TYPE_BYTES:
1777                         sbe = (struct soc_bytes_ext *)kc->private_value;
1778                         wdata[i].control = sbe->dobj.private;
1779                         break;
1780                 case SND_SOC_TPLG_TYPE_ENUM:
1781                         se = (struct soc_enum *)kc->private_value;
1782                         wdata[i].control = se->dobj.private;
1783                         break;
1784                 default:
1785                         dev_err(sdev->dev, "error: unknown kcontrol type %d in widget %s\n",
1786                                 widget->dobj.widget.kcontrol_type,
1787                                 widget->name);
1788                         return -EINVAL;
1789                 }
1790
1791                 if (!wdata[i].control) {
1792                         dev_err(sdev->dev, "error: no scontrol for widget %s\n",
1793                                 widget->name);
1794                         return -EINVAL;
1795                 }
1796
1797                 wdata[i].pdata = wdata[i].control->control_data->data;
1798                 if (!wdata[i].pdata)
1799                         return -EINVAL;
1800
1801                 /* make sure data is valid - data can be updated at runtime */
1802                 if (wdata[i].pdata->magic != SOF_ABI_MAGIC)
1803                         return -EINVAL;
1804
1805                 *size += wdata[i].pdata->size;
1806
1807                 /* get data type */
1808                 switch (wdata[i].control->cmd) {
1809                 case SOF_CTRL_CMD_VOLUME:
1810                 case SOF_CTRL_CMD_ENUM:
1811                 case SOF_CTRL_CMD_SWITCH:
1812                         wdata[i].ipc_cmd = SOF_IPC_COMP_SET_VALUE;
1813                         wdata[i].ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_SET;
1814                         break;
1815                 case SOF_CTRL_CMD_BINARY:
1816                         wdata[i].ipc_cmd = SOF_IPC_COMP_SET_DATA;
1817                         wdata[i].ctrl_type = SOF_CTRL_TYPE_DATA_SET;
1818                         break;
1819                 default:
1820                         break;
1821                 }
1822         }
1823
1824         return 0;
1825 }
1826
1827 static int sof_process_load(struct snd_soc_component *scomp, int index,
1828                             struct snd_sof_widget *swidget,
1829                             struct snd_soc_tplg_dapm_widget *tw,
1830                             struct sof_ipc_comp_reply *r,
1831                             int type)
1832 {
1833         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1834         struct snd_soc_dapm_widget *widget = swidget->widget;
1835         struct snd_soc_tplg_private *private = &tw->priv;
1836         struct sof_ipc_comp_process *process = NULL;
1837         struct sof_widget_data *wdata = NULL;
1838         size_t ipc_data_size = 0;
1839         size_t ipc_size;
1840         int offset = 0;
1841         int ret = 0;
1842         int i;
1843
1844         if (type == SOF_COMP_NONE) {
1845                 dev_err(sdev->dev, "error: invalid process comp type %d\n",
1846                         type);
1847                 return -EINVAL;
1848         }
1849
1850         /* allocate struct for widget control data sizes and types */
1851         if (widget->num_kcontrols) {
1852                 wdata = kcalloc(widget->num_kcontrols,
1853                                 sizeof(*wdata),
1854                                 GFP_KERNEL);
1855
1856                 if (!wdata)
1857                         return -ENOMEM;
1858
1859                 /* get possible component controls and get size of all pdata */
1860                 ret = sof_get_control_data(sdev, widget, wdata,
1861                                            &ipc_data_size);
1862
1863                 if (ret < 0)
1864                         goto out;
1865         }
1866
1867         ipc_size = sizeof(struct sof_ipc_comp_process) +
1868                 le32_to_cpu(private->size) +
1869                 ipc_data_size;
1870
1871         /* we are exceeding max ipc size, config needs to be sent separately */
1872         if (ipc_size > SOF_IPC_MSG_MAX_SIZE) {
1873                 ipc_size -= ipc_data_size;
1874                 ipc_data_size = 0;
1875         }
1876
1877         process = kzalloc(ipc_size, GFP_KERNEL);
1878         if (!process) {
1879                 ret = -ENOMEM;
1880                 goto out;
1881         }
1882
1883         /* configure iir IPC message */
1884         process->comp.hdr.size = ipc_size;
1885         process->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1886         process->comp.id = swidget->comp_id;
1887         process->comp.type = type;
1888         process->comp.pipeline_id = index;
1889         process->config.hdr.size = sizeof(process->config);
1890
1891         ret = sof_parse_tokens(scomp, &process->config, comp_tokens,
1892                                ARRAY_SIZE(comp_tokens), private->array,
1893                                le32_to_cpu(private->size));
1894         if (ret != 0) {
1895                 dev_err(sdev->dev, "error: parse process.cfg tokens failed %d\n",
1896                         le32_to_cpu(private->size));
1897                 goto err;
1898         }
1899
1900         sof_dbg_comp_config(scomp, &process->config);
1901
1902         /*
1903          * found private data in control, so copy it.
1904          * get possible component controls - get size of all pdata,
1905          * then memcpy with headers
1906          */
1907         if (ipc_data_size) {
1908                 for (i = 0; i < widget->num_kcontrols; i++) {
1909                         memcpy(&process->data + offset,
1910                                wdata[i].pdata->data,
1911                                wdata[i].pdata->size);
1912                         offset += wdata[i].pdata->size;
1913                 }
1914         }
1915
1916         process->size = ipc_data_size;
1917         swidget->private = process;
1918
1919         ret = sof_ipc_tx_message(sdev->ipc, process->comp.hdr.cmd, process,
1920                                  ipc_size, r, sizeof(*r));
1921
1922         if (ret < 0) {
1923                 dev_err(sdev->dev, "error: create process failed\n");
1924                 goto err;
1925         }
1926
1927         /* we sent the data in single message so return */
1928         if (ipc_data_size)
1929                 goto out;
1930
1931         /* send control data with large message supported method */
1932         for (i = 0; i < widget->num_kcontrols; i++) {
1933                 wdata[i].control->readback_offset = 0;
1934                 ret = snd_sof_ipc_set_get_comp_data(sdev->ipc, wdata[i].control,
1935                                                     wdata[i].ipc_cmd,
1936                                                     wdata[i].ctrl_type,
1937                                                     wdata[i].control->cmd,
1938                                                     true);
1939                 if (ret != 0) {
1940                         dev_err(sdev->dev, "error: send control failed\n");
1941                         break;
1942                 }
1943         }
1944
1945 err:
1946         if (ret < 0)
1947                 kfree(process);
1948 out:
1949         kfree(wdata);
1950         return ret;
1951 }
1952
1953 /*
1954  * Processing Component Topology - can be "effect", "codec", or general
1955  * "processing".
1956  */
1957
1958 static int sof_widget_load_process(struct snd_soc_component *scomp, int index,
1959                                    struct snd_sof_widget *swidget,
1960                                    struct snd_soc_tplg_dapm_widget *tw,
1961                                    struct sof_ipc_comp_reply *r)
1962 {
1963         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1964         struct snd_soc_tplg_private *private = &tw->priv;
1965         struct sof_ipc_comp_process config;
1966         int ret;
1967
1968         /* check we have some tokens - we need at least process type */
1969         if (le32_to_cpu(private->size) == 0) {
1970                 dev_err(sdev->dev, "error: process tokens not found\n");
1971                 return -EINVAL;
1972         }
1973
1974         memset(&config, 0, sizeof(config));
1975
1976         /* get the process token */
1977         ret = sof_parse_tokens(scomp, &config, process_tokens,
1978                                ARRAY_SIZE(process_tokens), private->array,
1979                                le32_to_cpu(private->size));
1980         if (ret != 0) {
1981                 dev_err(sdev->dev, "error: parse process tokens failed %d\n",
1982                         le32_to_cpu(private->size));
1983                 return ret;
1984         }
1985
1986         /* now load process specific data and send IPC */
1987         ret = sof_process_load(scomp, index, swidget, tw, r,
1988                                find_process_comp_type(config.type));
1989         if (ret < 0) {
1990                 dev_err(sdev->dev, "error: process loading failed\n");
1991                 return ret;
1992         }
1993
1994         return 0;
1995 }
1996
1997 static int sof_widget_bind_event(struct snd_sof_dev *sdev,
1998                                  struct snd_sof_widget *swidget,
1999                                  u16 event_type)
2000 {
2001         struct sof_ipc_comp *ipc_comp;
2002
2003         /* validate widget event type */
2004         switch (event_type) {
2005         case SOF_KEYWORD_DETECT_DAPM_EVENT:
2006                 /* only KEYWORD_DETECT comps should handle this */
2007                 if (swidget->id != snd_soc_dapm_effect)
2008                         break;
2009
2010                 ipc_comp = swidget->private;
2011                 if (ipc_comp && ipc_comp->type != SOF_COMP_KEYWORD_DETECT)
2012                         break;
2013
2014                 /* bind event to keyword detect comp */
2015                 return snd_soc_tplg_widget_bind_event(swidget->widget,
2016                                                       sof_kwd_events,
2017                                                       ARRAY_SIZE(sof_kwd_events),
2018                                                       event_type);
2019         default:
2020                 break;
2021         }
2022
2023         dev_err(sdev->dev,
2024                 "error: invalid event type %d for widget %s\n",
2025                 event_type, swidget->widget->name);
2026         return -EINVAL;
2027 }
2028
2029 /* external widget init - used for any driver specific init */
2030 static int sof_widget_ready(struct snd_soc_component *scomp, int index,
2031                             struct snd_soc_dapm_widget *w,
2032                             struct snd_soc_tplg_dapm_widget *tw)
2033 {
2034         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2035         struct snd_sof_widget *swidget;
2036         struct snd_sof_dai *dai;
2037         struct sof_ipc_comp_reply reply;
2038         struct snd_sof_control *scontrol;
2039         int ret = 0;
2040
2041         swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);
2042         if (!swidget)
2043                 return -ENOMEM;
2044
2045         swidget->sdev = sdev;
2046         swidget->widget = w;
2047         swidget->comp_id = sdev->next_comp_id++;
2048         swidget->complete = 0;
2049         swidget->id = w->id;
2050         swidget->pipeline_id = index;
2051         swidget->private = NULL;
2052         memset(&reply, 0, sizeof(reply));
2053
2054         dev_dbg(sdev->dev, "tplg: ready widget id %d pipe %d type %d name : %s stream %s\n",
2055                 swidget->comp_id, index, swidget->id, tw->name,
2056                 strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
2057                         ? tw->sname : "none");
2058
2059         /* handle any special case widgets */
2060         switch (w->id) {
2061         case snd_soc_dapm_dai_in:
2062         case snd_soc_dapm_dai_out:
2063                 dai = kzalloc(sizeof(*dai), GFP_KERNEL);
2064                 if (!dai) {
2065                         kfree(swidget);
2066                         return -ENOMEM;
2067                 }
2068
2069                 ret = sof_widget_load_dai(scomp, index, swidget, tw, &reply,
2070                                           dai);
2071                 if (ret == 0) {
2072                         sof_connect_dai_widget(scomp, w, tw, dai);
2073                         list_add(&dai->list, &sdev->dai_list);
2074                         swidget->private = dai;
2075                 } else {
2076                         kfree(dai);
2077                 }
2078                 break;
2079         case snd_soc_dapm_mixer:
2080                 ret = sof_widget_load_mixer(scomp, index, swidget, tw, &reply);
2081                 break;
2082         case snd_soc_dapm_pga:
2083                 ret = sof_widget_load_pga(scomp, index, swidget, tw, &reply);
2084                 /* Find scontrol for this pga and set readback offset*/
2085                 list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
2086                         if (scontrol->comp_id == swidget->comp_id) {
2087                                 scontrol->readback_offset = reply.offset;
2088                                 break;
2089                         }
2090                 }
2091                 break;
2092         case snd_soc_dapm_buffer:
2093                 ret = sof_widget_load_buffer(scomp, index, swidget, tw, &reply);
2094                 break;
2095         case snd_soc_dapm_scheduler:
2096                 ret = sof_widget_load_pipeline(scomp, index, swidget, tw,
2097                                                &reply);
2098                 break;
2099         case snd_soc_dapm_aif_out:
2100                 ret = sof_widget_load_pcm(scomp, index, swidget,
2101                                           SOF_IPC_STREAM_CAPTURE, tw, &reply);
2102                 break;
2103         case snd_soc_dapm_aif_in:
2104                 ret = sof_widget_load_pcm(scomp, index, swidget,
2105                                           SOF_IPC_STREAM_PLAYBACK, tw, &reply);
2106                 break;
2107         case snd_soc_dapm_src:
2108                 ret = sof_widget_load_src(scomp, index, swidget, tw, &reply);
2109                 break;
2110         case snd_soc_dapm_siggen:
2111                 ret = sof_widget_load_siggen(scomp, index, swidget, tw, &reply);
2112                 break;
2113         case snd_soc_dapm_effect:
2114                 ret = sof_widget_load_process(scomp, index, swidget, tw,
2115                                               &reply);
2116                 break;
2117         case snd_soc_dapm_mux:
2118         case snd_soc_dapm_demux:
2119                 ret = sof_widget_load_mux(scomp, index, swidget, tw, &reply);
2120                 break;
2121         case snd_soc_dapm_switch:
2122         case snd_soc_dapm_dai_link:
2123         case snd_soc_dapm_kcontrol:
2124         default:
2125                 dev_warn(sdev->dev, "warning: widget type %d name %s not handled\n",
2126                          swidget->id, tw->name);
2127                 break;
2128         }
2129
2130         /* check IPC reply */
2131         if (ret < 0 || reply.rhdr.error < 0) {
2132                 dev_err(sdev->dev,
2133                         "error: DSP failed to add widget id %d type %d name : %s stream %s reply %d\n",
2134                         tw->shift, swidget->id, tw->name,
2135                         strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
2136                                 ? tw->sname : "none", reply.rhdr.error);
2137                 kfree(swidget);
2138                 return ret;
2139         }
2140
2141         /* bind widget to external event */
2142         if (tw->event_type) {
2143                 ret = sof_widget_bind_event(sdev, swidget,
2144                                             le16_to_cpu(tw->event_type));
2145                 if (ret) {
2146                         dev_err(sdev->dev, "error: widget event binding failed\n");
2147                         kfree(swidget->private);
2148                         kfree(swidget);
2149                         return ret;
2150                 }
2151         }
2152
2153         w->dobj.private = swidget;
2154         list_add(&swidget->list, &sdev->widget_list);
2155         return ret;
2156 }
2157
2158 static int sof_route_unload(struct snd_soc_component *scomp,
2159                             struct snd_soc_dobj *dobj)
2160 {
2161         struct snd_sof_route *sroute;
2162
2163         sroute = dobj->private;
2164         if (!sroute)
2165                 return 0;
2166
2167         /* free sroute and its private data */
2168         kfree(sroute->private);
2169         list_del(&sroute->list);
2170         kfree(sroute);
2171
2172         return 0;
2173 }
2174
2175 static int sof_widget_unload(struct snd_soc_component *scomp,
2176                              struct snd_soc_dobj *dobj)
2177 {
2178         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2179         const struct snd_kcontrol_new *kc;
2180         struct snd_soc_dapm_widget *widget;
2181         struct sof_ipc_pipe_new *pipeline;
2182         struct snd_sof_control *scontrol;
2183         struct snd_sof_widget *swidget;
2184         struct soc_mixer_control *sm;
2185         struct soc_bytes_ext *sbe;
2186         struct snd_sof_dai *dai;
2187         struct soc_enum *se;
2188         int ret = 0;
2189         int i;
2190
2191         swidget = dobj->private;
2192         if (!swidget)
2193                 return 0;
2194
2195         widget = swidget->widget;
2196
2197         switch (swidget->id) {
2198         case snd_soc_dapm_dai_in:
2199         case snd_soc_dapm_dai_out:
2200                 dai = swidget->private;
2201
2202                 if (dai) {
2203                         /* free dai config */
2204                         kfree(dai->dai_config);
2205                         list_del(&dai->list);
2206                 }
2207                 break;
2208         case snd_soc_dapm_scheduler:
2209
2210                 /* power down the pipeline schedule core */
2211                 pipeline = swidget->private;
2212                 ret = snd_sof_dsp_core_power_down(sdev, 1 << pipeline->core);
2213                 if (ret < 0)
2214                         dev_err(sdev->dev, "error: powering down pipeline schedule core %d\n",
2215                                 pipeline->core);
2216
2217                 /* update enabled cores mask */
2218                 sdev->enabled_cores_mask &= ~(1 << pipeline->core);
2219
2220                 break;
2221         default:
2222                 break;
2223         }
2224         for (i = 0; i < widget->num_kcontrols; i++) {
2225                 kc = &widget->kcontrol_news[i];
2226                 switch (dobj->widget.kcontrol_type) {
2227                 case SND_SOC_TPLG_TYPE_MIXER:
2228                         sm = (struct soc_mixer_control *)kc->private_value;
2229                         scontrol = sm->dobj.private;
2230                         if (sm->max > 1)
2231                                 kfree(scontrol->volume_table);
2232                         break;
2233                 case SND_SOC_TPLG_TYPE_ENUM:
2234                         se = (struct soc_enum *)kc->private_value;
2235                         scontrol = se->dobj.private;
2236                         break;
2237                 case SND_SOC_TPLG_TYPE_BYTES:
2238                         sbe = (struct soc_bytes_ext *)kc->private_value;
2239                         scontrol = sbe->dobj.private;
2240                         break;
2241                 default:
2242                         dev_warn(sdev->dev, "unsupported kcontrol_type\n");
2243                         goto out;
2244                 }
2245                 kfree(scontrol->control_data);
2246                 list_del(&scontrol->list);
2247                 kfree(scontrol);
2248         }
2249
2250 out:
2251         /* free private value */
2252         kfree(swidget->private);
2253
2254         /* remove and free swidget object */
2255         list_del(&swidget->list);
2256         kfree(swidget);
2257
2258         return ret;
2259 }
2260
2261 /*
2262  * DAI HW configuration.
2263  */
2264
2265 /* FE DAI - used for any driver specific init */
2266 static int sof_dai_load(struct snd_soc_component *scomp, int index,
2267                         struct snd_soc_dai_driver *dai_drv,
2268                         struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
2269 {
2270         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2271         struct snd_soc_tplg_stream_caps *caps;
2272         struct snd_sof_pcm *spcm;
2273         int stream = SNDRV_PCM_STREAM_PLAYBACK;
2274         int ret = 0;
2275
2276         /* nothing to do for BEs atm */
2277         if (!pcm)
2278                 return 0;
2279
2280         spcm = kzalloc(sizeof(*spcm), GFP_KERNEL);
2281         if (!spcm)
2282                 return -ENOMEM;
2283
2284         spcm->sdev = sdev;
2285         spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].comp_id = COMP_ID_UNASSIGNED;
2286         spcm->stream[SNDRV_PCM_STREAM_CAPTURE].comp_id = COMP_ID_UNASSIGNED;
2287
2288         if (pcm) {
2289                 spcm->pcm = *pcm;
2290                 dev_dbg(sdev->dev, "tplg: load pcm %s\n", pcm->dai_name);
2291         }
2292         dai_drv->dobj.private = spcm;
2293         list_add(&spcm->list, &sdev->pcm_list);
2294
2295         /* do we need to allocate playback PCM DMA pages */
2296         if (!spcm->pcm.playback)
2297                 goto capture;
2298
2299         caps = &spcm->pcm.caps[stream];
2300
2301         /* allocate playback page table buffer */
2302         ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2303                                   PAGE_SIZE, &spcm->stream[stream].page_table);
2304         if (ret < 0) {
2305                 dev_err(sdev->dev, "error: can't alloc page table for %s %d\n",
2306                         caps->name, ret);
2307
2308                 return ret;
2309         }
2310
2311         /* bind pcm to host comp */
2312         ret = spcm_bind(sdev, spcm, stream);
2313         if (ret) {
2314                 dev_err(sdev->dev,
2315                         "error: can't bind pcm to host\n");
2316                 goto free_playback_tables;
2317         }
2318
2319 capture:
2320         stream = SNDRV_PCM_STREAM_CAPTURE;
2321
2322         /* do we need to allocate capture PCM DMA pages */
2323         if (!spcm->pcm.capture)
2324                 return ret;
2325
2326         caps = &spcm->pcm.caps[stream];
2327
2328         /* allocate capture page table buffer */
2329         ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2330                                   PAGE_SIZE, &spcm->stream[stream].page_table);
2331         if (ret < 0) {
2332                 dev_err(sdev->dev, "error: can't alloc page table for %s %d\n",
2333                         caps->name, ret);
2334                 goto free_playback_tables;
2335         }
2336
2337         /* bind pcm to host comp */
2338         ret = spcm_bind(sdev, spcm, stream);
2339         if (ret) {
2340                 dev_err(sdev->dev,
2341                         "error: can't bind pcm to host\n");
2342                 snd_dma_free_pages(&spcm->stream[stream].page_table);
2343                 goto free_playback_tables;
2344         }
2345
2346         return ret;
2347
2348 free_playback_tables:
2349         if (spcm->pcm.playback)
2350                 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2351
2352         return ret;
2353 }
2354
2355 static int sof_dai_unload(struct snd_soc_component *scomp,
2356                           struct snd_soc_dobj *dobj)
2357 {
2358         struct snd_sof_pcm *spcm = dobj->private;
2359
2360         /* free PCM DMA pages */
2361         if (spcm->pcm.playback)
2362                 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2363
2364         if (spcm->pcm.capture)
2365                 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table);
2366
2367         /* remove from list and free spcm */
2368         list_del(&spcm->list);
2369         kfree(spcm);
2370
2371         return 0;
2372 }
2373
2374 static void sof_dai_set_format(struct snd_soc_tplg_hw_config *hw_config,
2375                                struct sof_ipc_dai_config *config)
2376 {
2377         /* clock directions wrt codec */
2378         if (hw_config->bclk_master == SND_SOC_TPLG_BCLK_CM) {
2379                 /* codec is bclk master */
2380                 if (hw_config->fsync_master == SND_SOC_TPLG_FSYNC_CM)
2381                         config->format |= SOF_DAI_FMT_CBM_CFM;
2382                 else
2383                         config->format |= SOF_DAI_FMT_CBM_CFS;
2384         } else {
2385                 /* codec is bclk slave */
2386                 if (hw_config->fsync_master == SND_SOC_TPLG_FSYNC_CM)
2387                         config->format |= SOF_DAI_FMT_CBS_CFM;
2388                 else
2389                         config->format |= SOF_DAI_FMT_CBS_CFS;
2390         }
2391
2392         /* inverted clocks ? */
2393         if (hw_config->invert_bclk) {
2394                 if (hw_config->invert_fsync)
2395                         config->format |= SOF_DAI_FMT_IB_IF;
2396                 else
2397                         config->format |= SOF_DAI_FMT_IB_NF;
2398         } else {
2399                 if (hw_config->invert_fsync)
2400                         config->format |= SOF_DAI_FMT_NB_IF;
2401                 else
2402                         config->format |= SOF_DAI_FMT_NB_NF;
2403         }
2404 }
2405
2406 /* set config for all DAI's with name matching the link name */
2407 static int sof_set_dai_config(struct snd_sof_dev *sdev, u32 size,
2408                               struct snd_soc_dai_link *link,
2409                               struct sof_ipc_dai_config *config)
2410 {
2411         struct snd_sof_dai *dai;
2412         int found = 0;
2413
2414         list_for_each_entry(dai, &sdev->dai_list, list) {
2415                 if (!dai->name)
2416                         continue;
2417
2418                 if (strcmp(link->name, dai->name) == 0) {
2419                         dai->dai_config = kmemdup(config, size, GFP_KERNEL);
2420                         if (!dai->dai_config)
2421                                 return -ENOMEM;
2422
2423                         /* set cpu_dai_name */
2424                         dai->cpu_dai_name = link->cpus->dai_name;
2425
2426                         found = 1;
2427                 }
2428         }
2429
2430         /*
2431          * machine driver may define a dai link with playback and capture
2432          * dai enabled, but the dai link in topology would support both, one
2433          * or none of them. Here print a warning message to notify user
2434          */
2435         if (!found) {
2436                 dev_warn(sdev->dev, "warning: failed to find dai for dai link %s",
2437                          link->name);
2438         }
2439
2440         return 0;
2441 }
2442
2443 static int sof_link_ssp_load(struct snd_soc_component *scomp, int index,
2444                              struct snd_soc_dai_link *link,
2445                              struct snd_soc_tplg_link_config *cfg,
2446                              struct snd_soc_tplg_hw_config *hw_config,
2447                              struct sof_ipc_dai_config *config)
2448 {
2449         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2450         struct snd_soc_tplg_private *private = &cfg->priv;
2451         struct sof_ipc_reply reply;
2452         u32 size = sizeof(*config);
2453         int ret;
2454
2455         /* handle master/slave and inverted clocks */
2456         sof_dai_set_format(hw_config, config);
2457
2458         /* init IPC */
2459         memset(&config->ssp, 0, sizeof(struct sof_ipc_dai_ssp_params));
2460         config->hdr.size = size;
2461
2462         ret = sof_parse_tokens(scomp, &config->ssp, ssp_tokens,
2463                                ARRAY_SIZE(ssp_tokens), private->array,
2464                                le32_to_cpu(private->size));
2465         if (ret != 0) {
2466                 dev_err(sdev->dev, "error: parse ssp tokens failed %d\n",
2467                         le32_to_cpu(private->size));
2468                 return ret;
2469         }
2470
2471         config->ssp.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
2472         config->ssp.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
2473         config->ssp.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
2474         config->ssp.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
2475         config->ssp.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
2476         config->ssp.mclk_direction = hw_config->mclk_direction;
2477         config->ssp.rx_slots = le32_to_cpu(hw_config->rx_slots);
2478         config->ssp.tx_slots = le32_to_cpu(hw_config->tx_slots);
2479
2480         dev_dbg(sdev->dev, "tplg: config SSP%d fmt 0x%x mclk %d bclk %d fclk %d width (%d)%d slots %d mclk id %d quirks %d\n",
2481                 config->dai_index, config->format,
2482                 config->ssp.mclk_rate, config->ssp.bclk_rate,
2483                 config->ssp.fsync_rate, config->ssp.sample_valid_bits,
2484                 config->ssp.tdm_slot_width, config->ssp.tdm_slots,
2485                 config->ssp.mclk_id, config->ssp.quirks);
2486
2487         /* validate SSP fsync rate and channel count */
2488         if (config->ssp.fsync_rate < 8000 || config->ssp.fsync_rate > 192000) {
2489                 dev_err(sdev->dev, "error: invalid fsync rate for SSP%d\n",
2490                         config->dai_index);
2491                 return -EINVAL;
2492         }
2493
2494         if (config->ssp.tdm_slots < 1 || config->ssp.tdm_slots > 8) {
2495                 dev_err(sdev->dev, "error: invalid channel count for SSP%d\n",
2496                         config->dai_index);
2497                 return -EINVAL;
2498         }
2499
2500         /* send message to DSP */
2501         ret = sof_ipc_tx_message(sdev->ipc,
2502                                  config->hdr.cmd, config, size, &reply,
2503                                  sizeof(reply));
2504
2505         if (ret < 0) {
2506                 dev_err(sdev->dev, "error: failed to set DAI config for SSP%d\n",
2507                         config->dai_index);
2508                 return ret;
2509         }
2510
2511         /* set config for all DAI's with name matching the link name */
2512         ret = sof_set_dai_config(sdev, size, link, config);
2513         if (ret < 0)
2514                 dev_err(sdev->dev, "error: failed to save DAI config for SSP%d\n",
2515                         config->dai_index);
2516
2517         return ret;
2518 }
2519
2520 static int sof_link_sai_load(struct snd_soc_component *scomp, int index,
2521                              struct snd_soc_dai_link *link,
2522                              struct snd_soc_tplg_link_config *cfg,
2523                              struct snd_soc_tplg_hw_config *hw_config,
2524                              struct sof_ipc_dai_config *config)
2525 {
2526         /*TODO: Add implementation */
2527         return 0;
2528 }
2529
2530 static int sof_link_esai_load(struct snd_soc_component *scomp, int index,
2531                               struct snd_soc_dai_link *link,
2532                               struct snd_soc_tplg_link_config *cfg,
2533                               struct snd_soc_tplg_hw_config *hw_config,
2534                               struct sof_ipc_dai_config *config)
2535 {
2536         /*TODO: Add implementation */
2537         return 0;
2538 }
2539
2540 static int sof_link_dmic_load(struct snd_soc_component *scomp, int index,
2541                               struct snd_soc_dai_link *link,
2542                               struct snd_soc_tplg_link_config *cfg,
2543                               struct snd_soc_tplg_hw_config *hw_config,
2544                               struct sof_ipc_dai_config *config)
2545 {
2546         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2547         struct snd_soc_tplg_private *private = &cfg->priv;
2548         struct sof_ipc_dai_config *ipc_config;
2549         struct sof_ipc_reply reply;
2550         struct sof_ipc_fw_ready *ready = &sdev->fw_ready;
2551         struct sof_ipc_fw_version *v = &ready->version;
2552         u32 size;
2553         int ret, j;
2554
2555         /*
2556          * config is only used for the common params in dmic_params structure
2557          * that does not include the PDM controller config array
2558          * Set the common params to 0.
2559          */
2560         memset(&config->dmic, 0, sizeof(struct sof_ipc_dai_dmic_params));
2561
2562         /* get DMIC tokens */
2563         ret = sof_parse_tokens(scomp, &config->dmic, dmic_tokens,
2564                                ARRAY_SIZE(dmic_tokens), private->array,
2565                                le32_to_cpu(private->size));
2566         if (ret != 0) {
2567                 dev_err(sdev->dev, "error: parse dmic tokens failed %d\n",
2568                         le32_to_cpu(private->size));
2569                 return ret;
2570         }
2571
2572         /*
2573          * allocate memory for dmic dai config accounting for the
2574          * variable number of active pdm controllers
2575          * This will be the ipc payload for setting dai config
2576          */
2577         size = sizeof(*config) + sizeof(struct sof_ipc_dai_dmic_pdm_ctrl) *
2578                                         config->dmic.num_pdm_active;
2579
2580         ipc_config = kzalloc(size, GFP_KERNEL);
2581         if (!ipc_config)
2582                 return -ENOMEM;
2583
2584         /* copy the common dai config and dmic params */
2585         memcpy(ipc_config, config, sizeof(*config));
2586
2587         /*
2588          * alloc memory for private member
2589          * Used to track the pdm config array index currently being parsed
2590          */
2591         sdev->private = kzalloc(sizeof(u32), GFP_KERNEL);
2592         if (!sdev->private) {
2593                 kfree(ipc_config);
2594                 return -ENOMEM;
2595         }
2596
2597         /* get DMIC PDM tokens */
2598         ret = sof_parse_tokens(scomp, &ipc_config->dmic.pdm[0], dmic_pdm_tokens,
2599                                ARRAY_SIZE(dmic_pdm_tokens), private->array,
2600                                le32_to_cpu(private->size));
2601         if (ret != 0) {
2602                 dev_err(sdev->dev, "error: parse dmic pdm tokens failed %d\n",
2603                         le32_to_cpu(private->size));
2604                 goto err;
2605         }
2606
2607         /* set IPC header size */
2608         ipc_config->hdr.size = size;
2609
2610         /* debug messages */
2611         dev_dbg(sdev->dev, "tplg: config DMIC%d driver version %d\n",
2612                 ipc_config->dai_index, ipc_config->dmic.driver_ipc_version);
2613         dev_dbg(sdev->dev, "pdmclk_min %d pdm_clkmax %d duty_min %hd\n",
2614                 ipc_config->dmic.pdmclk_min, ipc_config->dmic.pdmclk_max,
2615                 ipc_config->dmic.duty_min);
2616         dev_dbg(sdev->dev, "duty_max %hd fifo_fs %d num_pdms active %d\n",
2617                 ipc_config->dmic.duty_max, ipc_config->dmic.fifo_fs,
2618                 ipc_config->dmic.num_pdm_active);
2619         dev_dbg(sdev->dev, "fifo word length %hd\n",
2620                 ipc_config->dmic.fifo_bits);
2621
2622         for (j = 0; j < ipc_config->dmic.num_pdm_active; j++) {
2623                 dev_dbg(sdev->dev, "pdm %hd mic a %hd mic b %hd\n",
2624                         ipc_config->dmic.pdm[j].id,
2625                         ipc_config->dmic.pdm[j].enable_mic_a,
2626                         ipc_config->dmic.pdm[j].enable_mic_b);
2627                 dev_dbg(sdev->dev, "pdm %hd polarity a %hd polarity b %hd\n",
2628                         ipc_config->dmic.pdm[j].id,
2629                         ipc_config->dmic.pdm[j].polarity_mic_a,
2630                         ipc_config->dmic.pdm[j].polarity_mic_b);
2631                 dev_dbg(sdev->dev, "pdm %hd clk_edge %hd skew %hd\n",
2632                         ipc_config->dmic.pdm[j].id,
2633                         ipc_config->dmic.pdm[j].clk_edge,
2634                         ipc_config->dmic.pdm[j].skew);
2635         }
2636
2637         if (SOF_ABI_VER(v->major, v->minor, v->micro) < SOF_ABI_VER(3, 0, 1)) {
2638                 /* this takes care of backwards compatible handling of fifo_bits_b */
2639                 ipc_config->dmic.reserved_2 = ipc_config->dmic.fifo_bits;
2640         }
2641
2642         /* send message to DSP */
2643         ret = sof_ipc_tx_message(sdev->ipc,
2644                                  ipc_config->hdr.cmd, ipc_config, size, &reply,
2645                                  sizeof(reply));
2646
2647         if (ret < 0) {
2648                 dev_err(sdev->dev,
2649                         "error: failed to set DAI config for DMIC%d\n",
2650                         config->dai_index);
2651                 goto err;
2652         }
2653
2654         /* set config for all DAI's with name matching the link name */
2655         ret = sof_set_dai_config(sdev, size, link, ipc_config);
2656         if (ret < 0)
2657                 dev_err(sdev->dev, "error: failed to save DAI config for DMIC%d\n",
2658                         config->dai_index);
2659
2660 err:
2661         kfree(sdev->private);
2662         kfree(ipc_config);
2663
2664         return ret;
2665 }
2666
2667 /*
2668  * for hda link, playback and capture are supported by different dai
2669  * in FW. Here get the dai_index, set dma channel of each dai
2670  * and send config to FW. In FW, each dai sets config by dai_index
2671  */
2672 static int sof_link_hda_process(struct snd_sof_dev *sdev,
2673                                 struct snd_soc_dai_link *link,
2674                                 struct sof_ipc_dai_config *config)
2675 {
2676         struct sof_ipc_reply reply;
2677         u32 size = sizeof(*config);
2678         struct snd_sof_dai *sof_dai;
2679         int found = 0;
2680         int ret;
2681
2682         list_for_each_entry(sof_dai, &sdev->dai_list, list) {
2683                 if (!sof_dai->name)
2684                         continue;
2685
2686                 if (strcmp(link->name, sof_dai->name) == 0) {
2687                         config->dai_index = sof_dai->comp_dai.dai_index;
2688                         found = 1;
2689
2690                         config->hda.link_dma_ch = DMA_CHAN_INVALID;
2691
2692                         /* save config in dai component */
2693                         sof_dai->dai_config = kmemdup(config, size, GFP_KERNEL);
2694                         if (!sof_dai->dai_config)
2695                                 return -ENOMEM;
2696
2697                         sof_dai->cpu_dai_name = link->cpus->dai_name;
2698
2699                         /* send message to DSP */
2700                         ret = sof_ipc_tx_message(sdev->ipc,
2701                                                  config->hdr.cmd, config, size,
2702                                                  &reply, sizeof(reply));
2703
2704                         if (ret < 0) {
2705                                 dev_err(sdev->dev, "error: failed to set DAI config for direction:%d of HDA dai %d\n",
2706                                         sof_dai->comp_dai.direction,
2707                                         config->dai_index);
2708
2709                                 return ret;
2710                         }
2711                 }
2712         }
2713
2714         /*
2715          * machine driver may define a dai link with playback and capture
2716          * dai enabled, but the dai link in topology would support both, one
2717          * or none of them. Here print a warning message to notify user
2718          */
2719         if (!found) {
2720                 dev_warn(sdev->dev, "warning: failed to find dai for dai link %s",
2721                          link->name);
2722         }
2723
2724         return 0;
2725 }
2726
2727 static int sof_link_hda_load(struct snd_soc_component *scomp, int index,
2728                              struct snd_soc_dai_link *link,
2729                              struct snd_soc_tplg_link_config *cfg,
2730                              struct snd_soc_tplg_hw_config *hw_config,
2731                              struct sof_ipc_dai_config *config)
2732 {
2733         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2734         struct snd_soc_tplg_private *private = &cfg->priv;
2735         struct snd_soc_dai *dai;
2736         u32 size = sizeof(*config);
2737         int ret;
2738
2739         /* init IPC */
2740         memset(&config->hda, 0, sizeof(struct sof_ipc_dai_hda_params));
2741         config->hdr.size = size;
2742
2743         /* get any bespoke DAI tokens */
2744         ret = sof_parse_tokens(scomp, config, hda_tokens,
2745                                ARRAY_SIZE(hda_tokens), private->array,
2746                                le32_to_cpu(private->size));
2747         if (ret != 0) {
2748                 dev_err(sdev->dev, "error: parse hda tokens failed %d\n",
2749                         le32_to_cpu(private->size));
2750                 return ret;
2751         }
2752
2753         dai = snd_soc_find_dai(link->cpus);
2754         if (!dai) {
2755                 dev_err(sdev->dev, "error: failed to find dai %s in %s",
2756                         link->cpus->dai_name, __func__);
2757                 return -EINVAL;
2758         }
2759
2760         ret = sof_link_hda_process(sdev, link, config);
2761         if (ret < 0)
2762                 dev_err(sdev->dev, "error: failed to process hda dai link %s",
2763                         link->name);
2764
2765         return ret;
2766 }
2767
2768 static int sof_link_alh_load(struct snd_soc_component *scomp, int index,
2769                              struct snd_soc_dai_link *link,
2770                              struct snd_soc_tplg_link_config *cfg,
2771                              struct snd_soc_tplg_hw_config *hw_config,
2772                              struct sof_ipc_dai_config *config)
2773 {
2774         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2775         struct sof_ipc_reply reply;
2776         u32 size = sizeof(*config);
2777         int ret;
2778
2779         /* init IPC */
2780         config->hdr.size = size;
2781
2782         /* send message to DSP */
2783         ret = sof_ipc_tx_message(sdev->ipc,
2784                                  config->hdr.cmd, config, size, &reply,
2785                                  sizeof(reply));
2786
2787         if (ret < 0) {
2788                 dev_err(sdev->dev, "error: failed to set DAI config for ALH %d\n",
2789                         config->dai_index);
2790                 return ret;
2791         }
2792
2793         /* set config for all DAI's with name matching the link name */
2794         ret = sof_set_dai_config(sdev, size, link, config);
2795         if (ret < 0)
2796                 dev_err(sdev->dev, "error: failed to save DAI config for ALH %d\n",
2797                         config->dai_index);
2798
2799         return ret;
2800 }
2801
2802 /* DAI link - used for any driver specific init */
2803 static int sof_link_load(struct snd_soc_component *scomp, int index,
2804                          struct snd_soc_dai_link *link,
2805                          struct snd_soc_tplg_link_config *cfg)
2806 {
2807         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2808         struct snd_soc_tplg_private *private = &cfg->priv;
2809         struct sof_ipc_dai_config config;
2810         struct snd_soc_tplg_hw_config *hw_config;
2811         int num_hw_configs;
2812         int ret;
2813         int i = 0;
2814
2815         if (!link->platforms) {
2816                 dev_err(sdev->dev, "error: no platforms\n");
2817                 return -EINVAL;
2818         }
2819         link->platforms->name = dev_name(sdev->dev);
2820
2821         /*
2822          * Set nonatomic property for FE dai links as their trigger action
2823          * involves IPC's.
2824          */
2825         if (!link->no_pcm) {
2826                 link->nonatomic = true;
2827
2828                 /* nothing more to do for FE dai links */
2829                 return 0;
2830         }
2831
2832         /* check we have some tokens - we need at least DAI type */
2833         if (le32_to_cpu(private->size) == 0) {
2834                 dev_err(sdev->dev, "error: expected tokens for DAI, none found\n");
2835                 return -EINVAL;
2836         }
2837
2838         /* Send BE DAI link configurations to DSP */
2839         memset(&config, 0, sizeof(config));
2840
2841         /* get any common DAI tokens */
2842         ret = sof_parse_tokens(scomp, &config, dai_link_tokens,
2843                                ARRAY_SIZE(dai_link_tokens), private->array,
2844                                le32_to_cpu(private->size));
2845         if (ret != 0) {
2846                 dev_err(sdev->dev, "error: parse link tokens failed %d\n",
2847                         le32_to_cpu(private->size));
2848                 return ret;
2849         }
2850
2851         /*
2852          * DAI links are expected to have at least 1 hw_config.
2853          * But some older topologies might have no hw_config for HDA dai links.
2854          */
2855         num_hw_configs = le32_to_cpu(cfg->num_hw_configs);
2856         if (!num_hw_configs) {
2857                 if (config.type != SOF_DAI_INTEL_HDA) {
2858                         dev_err(sdev->dev, "error: unexpected DAI config count %d!\n",
2859                                 le32_to_cpu(cfg->num_hw_configs));
2860                         return -EINVAL;
2861                 }
2862         } else {
2863                 dev_dbg(sdev->dev, "tplg: %d hw_configs found, default id: %d!\n",
2864                         cfg->num_hw_configs, le32_to_cpu(cfg->default_hw_config_id));
2865
2866                 for (i = 0; i < num_hw_configs; i++) {
2867                         if (cfg->hw_config[i].id == cfg->default_hw_config_id)
2868                                 break;
2869                 }
2870
2871                 if (i == num_hw_configs) {
2872                         dev_err(sdev->dev, "error: default hw_config id: %d not found!\n",
2873                                 le32_to_cpu(cfg->default_hw_config_id));
2874                         return -EINVAL;
2875                 }
2876         }
2877
2878         /* configure dai IPC message */
2879         hw_config = &cfg->hw_config[i];
2880
2881         config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
2882         config.format = le32_to_cpu(hw_config->fmt);
2883
2884         /* now load DAI specific data and send IPC - type comes from token */
2885         switch (config.type) {
2886         case SOF_DAI_INTEL_SSP:
2887                 ret = sof_link_ssp_load(scomp, index, link, cfg, hw_config,
2888                                         &config);
2889                 break;
2890         case SOF_DAI_INTEL_DMIC:
2891                 ret = sof_link_dmic_load(scomp, index, link, cfg, hw_config,
2892                                          &config);
2893                 break;
2894         case SOF_DAI_INTEL_HDA:
2895                 ret = sof_link_hda_load(scomp, index, link, cfg, hw_config,
2896                                         &config);
2897                 break;
2898         case SOF_DAI_INTEL_ALH:
2899                 ret = sof_link_alh_load(scomp, index, link, cfg, hw_config,
2900                                         &config);
2901                 break;
2902         case SOF_DAI_IMX_SAI:
2903                 ret = sof_link_sai_load(scomp, index, link, cfg, hw_config,
2904                                         &config);
2905                 break;
2906         case SOF_DAI_IMX_ESAI:
2907                 ret = sof_link_esai_load(scomp, index, link, cfg, hw_config,
2908                                          &config);
2909                 break;
2910         default:
2911                 dev_err(sdev->dev, "error: invalid DAI type %d\n", config.type);
2912                 ret = -EINVAL;
2913                 break;
2914         }
2915         if (ret < 0)
2916                 return ret;
2917
2918         return 0;
2919 }
2920
2921 static int sof_link_hda_unload(struct snd_sof_dev *sdev,
2922                                struct snd_soc_dai_link *link)
2923 {
2924         struct snd_soc_dai *dai;
2925         int ret = 0;
2926
2927         dai = snd_soc_find_dai(link->cpus);
2928         if (!dai) {
2929                 dev_err(sdev->dev, "error: failed to find dai %s in %s",
2930                         link->cpus->dai_name, __func__);
2931                 return -EINVAL;
2932         }
2933
2934         return ret;
2935 }
2936
2937 static int sof_link_unload(struct snd_soc_component *scomp,
2938                            struct snd_soc_dobj *dobj)
2939 {
2940         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2941         struct snd_soc_dai_link *link =
2942                 container_of(dobj, struct snd_soc_dai_link, dobj);
2943
2944         struct snd_sof_dai *sof_dai;
2945         int ret = 0;
2946
2947         /* only BE link is loaded by sof */
2948         if (!link->no_pcm)
2949                 return 0;
2950
2951         list_for_each_entry(sof_dai, &sdev->dai_list, list) {
2952                 if (!sof_dai->name)
2953                         continue;
2954
2955                 if (strcmp(link->name, sof_dai->name) == 0)
2956                         goto found;
2957         }
2958
2959         dev_err(sdev->dev, "error: failed to find dai %s in %s",
2960                 link->name, __func__);
2961         return -EINVAL;
2962 found:
2963
2964         switch (sof_dai->dai_config->type) {
2965         case SOF_DAI_INTEL_SSP:
2966         case SOF_DAI_INTEL_DMIC:
2967         case SOF_DAI_INTEL_ALH:
2968                 /* no resource needs to be released for SSP, DMIC and ALH */
2969                 break;
2970         case SOF_DAI_INTEL_HDA:
2971                 ret = sof_link_hda_unload(sdev, link);
2972                 break;
2973         default:
2974                 dev_err(sdev->dev, "error: invalid DAI type %d\n",
2975                         sof_dai->dai_config->type);
2976                 ret = -EINVAL;
2977                 break;
2978         }
2979
2980         return ret;
2981 }
2982
2983 /* DAI link - used for any driver specific init */
2984 static int sof_route_load(struct snd_soc_component *scomp, int index,
2985                           struct snd_soc_dapm_route *route)
2986 {
2987         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2988         struct sof_ipc_pipe_comp_connect *connect;
2989         struct snd_sof_widget *source_swidget, *sink_swidget;
2990         struct snd_soc_dobj *dobj = &route->dobj;
2991         struct snd_sof_route *sroute;
2992         struct sof_ipc_reply reply;
2993         int ret = 0;
2994
2995         /* allocate memory for sroute and connect */
2996         sroute = kzalloc(sizeof(*sroute), GFP_KERNEL);
2997         if (!sroute)
2998                 return -ENOMEM;
2999
3000         sroute->sdev = sdev;
3001
3002         connect = kzalloc(sizeof(*connect), GFP_KERNEL);
3003         if (!connect) {
3004                 kfree(sroute);
3005                 return -ENOMEM;
3006         }
3007
3008         connect->hdr.size = sizeof(*connect);
3009         connect->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_CONNECT;
3010
3011         dev_dbg(sdev->dev, "sink %s control %s source %s\n",
3012                 route->sink, route->control ? route->control : "none",
3013                 route->source);
3014
3015         /* source component */
3016         source_swidget = snd_sof_find_swidget(sdev, (char *)route->source);
3017         if (!source_swidget) {
3018                 dev_err(sdev->dev, "error: source %s not found\n",
3019                         route->source);
3020                 ret = -EINVAL;
3021                 goto err;
3022         }
3023
3024         /*
3025          * Virtual widgets of type output/out_drv may be added in topology
3026          * for compatibility. These are not handled by the FW.
3027          * So, don't send routes whose source/sink widget is of such types
3028          * to the DSP.
3029          */
3030         if (source_swidget->id == snd_soc_dapm_out_drv ||
3031             source_swidget->id == snd_soc_dapm_output)
3032                 goto err;
3033
3034         connect->source_id = source_swidget->comp_id;
3035
3036         /* sink component */
3037         sink_swidget = snd_sof_find_swidget(sdev, (char *)route->sink);
3038         if (!sink_swidget) {
3039                 dev_err(sdev->dev, "error: sink %s not found\n",
3040                         route->sink);
3041                 ret = -EINVAL;
3042                 goto err;
3043         }
3044
3045         /*
3046          * Don't send routes whose sink widget is of type
3047          * output or out_drv to the DSP
3048          */
3049         if (sink_swidget->id == snd_soc_dapm_out_drv ||
3050             sink_swidget->id == snd_soc_dapm_output)
3051                 goto err;
3052
3053         connect->sink_id = sink_swidget->comp_id;
3054
3055         /*
3056          * For virtual routes, both sink and source are not
3057          * buffer. Since only buffer linked to component is supported by
3058          * FW, others are reported as error, add check in route function,
3059          * do not send it to FW when both source and sink are not buffer
3060          */
3061         if (source_swidget->id != snd_soc_dapm_buffer &&
3062             sink_swidget->id != snd_soc_dapm_buffer) {
3063                 dev_dbg(sdev->dev, "warning: neither Linked source component %s nor sink component %s is of buffer type, ignoring link\n",
3064                         route->source, route->sink);
3065                 ret = 0;
3066                 goto err;
3067         } else {
3068                 ret = sof_ipc_tx_message(sdev->ipc,
3069                                          connect->hdr.cmd,
3070                                          connect, sizeof(*connect),
3071                                          &reply, sizeof(reply));
3072
3073                 /* check IPC return value */
3074                 if (ret < 0) {
3075                         dev_err(sdev->dev, "error: failed to add route sink %s control %s source %s\n",
3076                                 route->sink,
3077                                 route->control ? route->control : "none",
3078                                 route->source);
3079                         goto err;
3080                 }
3081
3082                 /* check IPC reply */
3083                 if (reply.error < 0) {
3084                         dev_err(sdev->dev, "error: DSP failed to add route sink %s control %s source %s result %d\n",
3085                                 route->sink,
3086                                 route->control ? route->control : "none",
3087                                 route->source, reply.error);
3088                         ret = reply.error;
3089                         goto err;
3090                 }
3091
3092                 sroute->route = route;
3093                 dobj->private = sroute;
3094                 sroute->private = connect;
3095
3096                 /* add route to route list */
3097                 list_add(&sroute->list, &sdev->route_list);
3098
3099                 return ret;
3100         }
3101
3102 err:
3103         kfree(connect);
3104         kfree(sroute);
3105         return ret;
3106 }
3107
3108 /* Function to set the initial value of SOF kcontrols.
3109  * The value will be stored in scontrol->control_data
3110  */
3111 static int snd_sof_cache_kcontrol_val(struct snd_sof_dev *sdev)
3112 {
3113         struct snd_sof_control *scontrol = NULL;
3114         int ipc_cmd, ctrl_type;
3115         int ret = 0;
3116
3117         list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
3118
3119                 /* notify DSP of kcontrol values */
3120                 switch (scontrol->cmd) {
3121                 case SOF_CTRL_CMD_VOLUME:
3122                 case SOF_CTRL_CMD_ENUM:
3123                 case SOF_CTRL_CMD_SWITCH:
3124                         ipc_cmd = SOF_IPC_COMP_GET_VALUE;
3125                         ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_GET;
3126                         break;
3127                 case SOF_CTRL_CMD_BINARY:
3128                         ipc_cmd = SOF_IPC_COMP_GET_DATA;
3129                         ctrl_type = SOF_CTRL_TYPE_DATA_GET;
3130                         break;
3131                 default:
3132                         dev_err(sdev->dev,
3133                                 "error: Invalid scontrol->cmd: %d\n",
3134                                 scontrol->cmd);
3135                         return -EINVAL;
3136                 }
3137                 ret = snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
3138                                                     ipc_cmd, ctrl_type,
3139                                                     scontrol->cmd,
3140                                                     false);
3141                 if (ret < 0) {
3142                         dev_warn(sdev->dev,
3143                                 "error: kcontrol value get for widget: %d\n",
3144                                 scontrol->comp_id);
3145                 }
3146         }
3147
3148         return ret;
3149 }
3150
3151 int snd_sof_complete_pipeline(struct snd_sof_dev *sdev,
3152                               struct snd_sof_widget *swidget)
3153 {
3154         struct sof_ipc_pipe_ready ready;
3155         struct sof_ipc_reply reply;
3156         int ret;
3157
3158         dev_dbg(sdev->dev, "tplg: complete pipeline %s id %d\n",
3159                 swidget->widget->name, swidget->comp_id);
3160
3161         memset(&ready, 0, sizeof(ready));
3162         ready.hdr.size = sizeof(ready);
3163         ready.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_COMPLETE;
3164         ready.comp_id = swidget->comp_id;
3165
3166         ret = sof_ipc_tx_message(sdev->ipc,
3167                                  ready.hdr.cmd, &ready, sizeof(ready), &reply,
3168                                  sizeof(reply));
3169         if (ret < 0)
3170                 return ret;
3171         return 1;
3172 }
3173
3174 /* completion - called at completion of firmware loading */
3175 static void sof_complete(struct snd_soc_component *scomp)
3176 {
3177         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3178         struct snd_sof_widget *swidget;
3179
3180         /* some widget types require completion notificattion */
3181         list_for_each_entry(swidget, &sdev->widget_list, list) {
3182                 if (swidget->complete)
3183                         continue;
3184
3185                 switch (swidget->id) {
3186                 case snd_soc_dapm_scheduler:
3187                         swidget->complete =
3188                                 snd_sof_complete_pipeline(sdev, swidget);
3189                         break;
3190                 default:
3191                         break;
3192                 }
3193         }
3194         /*
3195          * cache initial values of SOF kcontrols by reading DSP value over
3196          * IPC. It may be overwritten by alsa-mixer after booting up
3197          */
3198         snd_sof_cache_kcontrol_val(sdev);
3199 }
3200
3201 /* manifest - optional to inform component of manifest */
3202 static int sof_manifest(struct snd_soc_component *scomp, int index,
3203                         struct snd_soc_tplg_manifest *man)
3204 {
3205         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3206         u32 size;
3207         u32 abi_version;
3208
3209         size = le32_to_cpu(man->priv.size);
3210
3211         /* backward compatible with tplg without ABI info */
3212         if (!size) {
3213                 dev_dbg(sdev->dev, "No topology ABI info\n");
3214                 return 0;
3215         }
3216
3217         if (size != SOF_TPLG_ABI_SIZE) {
3218                 dev_err(sdev->dev, "error: invalid topology ABI size\n");
3219                 return -EINVAL;
3220         }
3221
3222         dev_info(sdev->dev,
3223                  "Topology: ABI %d:%d:%d Kernel ABI %d:%d:%d\n",
3224                  man->priv.data[0], man->priv.data[1],
3225                  man->priv.data[2], SOF_ABI_MAJOR, SOF_ABI_MINOR,
3226                  SOF_ABI_PATCH);
3227
3228         abi_version = SOF_ABI_VER(man->priv.data[0],
3229                                   man->priv.data[1],
3230                                   man->priv.data[2]);
3231
3232         if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, abi_version)) {
3233                 dev_err(sdev->dev, "error: incompatible topology ABI version\n");
3234                 return -EINVAL;
3235         }
3236
3237         if (abi_version > SOF_ABI_VERSION) {
3238                 if (!IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS)) {
3239                         dev_warn(sdev->dev, "warn: topology ABI is more recent than kernel\n");
3240                 } else {
3241                         dev_err(sdev->dev, "error: topology ABI is more recent than kernel\n");
3242                         return -EINVAL;
3243                 }
3244         }
3245
3246         return 0;
3247 }
3248
3249 /* vendor specific kcontrol handlers available for binding */
3250 static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = {
3251         {SOF_TPLG_KCTL_VOL_ID, snd_sof_volume_get, snd_sof_volume_put},
3252         {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_get, snd_sof_bytes_put},
3253         {SOF_TPLG_KCTL_ENUM_ID, snd_sof_enum_get, snd_sof_enum_put},
3254         {SOF_TPLG_KCTL_SWITCH_ID, snd_sof_switch_get, snd_sof_switch_put},
3255 };
3256
3257 /* vendor specific bytes ext handlers available for binding */
3258 static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = {
3259         {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_ext_get, snd_sof_bytes_ext_put},
3260 };
3261
3262 static struct snd_soc_tplg_ops sof_tplg_ops = {
3263         /* external kcontrol init - used for any driver specific init */
3264         .control_load   = sof_control_load,
3265         .control_unload = sof_control_unload,
3266
3267         /* external kcontrol init - used for any driver specific init */
3268         .dapm_route_load        = sof_route_load,
3269         .dapm_route_unload      = sof_route_unload,
3270
3271         /* external widget init - used for any driver specific init */
3272         /* .widget_load is not currently used */
3273         .widget_ready   = sof_widget_ready,
3274         .widget_unload  = sof_widget_unload,
3275
3276         /* FE DAI - used for any driver specific init */
3277         .dai_load       = sof_dai_load,
3278         .dai_unload     = sof_dai_unload,
3279
3280         /* DAI link - used for any driver specific init */
3281         .link_load      = sof_link_load,
3282         .link_unload    = sof_link_unload,
3283
3284         /* completion - called at completion of firmware loading */
3285         .complete       = sof_complete,
3286
3287         /* manifest - optional to inform component of manifest */
3288         .manifest       = sof_manifest,
3289
3290         /* vendor specific kcontrol handlers available for binding */
3291         .io_ops         = sof_io_ops,
3292         .io_ops_count   = ARRAY_SIZE(sof_io_ops),
3293
3294         /* vendor specific bytes ext handlers available for binding */
3295         .bytes_ext_ops  = sof_bytes_ext_ops,
3296         .bytes_ext_ops_count    = ARRAY_SIZE(sof_bytes_ext_ops),
3297 };
3298
3299 int snd_sof_init_topology(struct snd_sof_dev *sdev,
3300                           struct snd_soc_tplg_ops *ops)
3301 {
3302         /* TODO: support linked list of topologies */
3303         sdev->tplg_ops = ops;
3304         return 0;
3305 }
3306 EXPORT_SYMBOL(snd_sof_init_topology);
3307
3308 int snd_sof_load_topology(struct snd_sof_dev *sdev, const char *file)
3309 {
3310         const struct firmware *fw;
3311         int ret;
3312
3313         dev_dbg(sdev->dev, "loading topology:%s\n", file);
3314
3315         ret = request_firmware(&fw, file, sdev->dev);
3316         if (ret < 0) {
3317                 dev_err(sdev->dev, "error: tplg request firmware %s failed err: %d\n",
3318                         file, ret);
3319                 return ret;
3320         }
3321
3322         ret = snd_soc_tplg_component_load(sdev->component,
3323                                           &sof_tplg_ops, fw,
3324                                           SND_SOC_TPLG_INDEX_ALL);
3325         if (ret < 0) {
3326                 dev_err(sdev->dev, "error: tplg component load failed %d\n",
3327                         ret);
3328                 ret = -EINVAL;
3329         }
3330
3331         release_firmware(fw);
3332         return ret;
3333 }
3334 EXPORT_SYMBOL(snd_sof_load_topology);