sound/soc/sof/topology.c

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
ipc_pcm_params
ipc_trigger
sof_keyword_dapm_event
get_tlv_data
vol_shift_64
vol_pow32
vol_compute_gain
set_up_volume_table
find_dai
find_format
find_process
find_process_comp_type
sof_control_load_volume
sof_control_load_enum
sof_control_load_bytes
get_token_u32
get_token_u16
get_token_comp_format
get_token_dai_type
get_token_process_type
sof_parse_uuid_tokens
sof_parse_string_tokens
sof_parse_word_tokens
sof_parse_tokens
sof_dbg_comp_config
sof_control_load
sof_control_unload
sof_connect_dai_widget
sof_widget_load_dai
sof_widget_load_buffer
spcm_bind
sof_widget_load_pcm
sof_load_pipeline_ipc
sof_widget_load_pipeline
sof_widget_load_mixer
sof_widget_load_mux
sof_widget_load_pga
sof_widget_load_src
sof_widget_load_siggen
sof_get_control_data
sof_process_load
sof_widget_load_process
sof_widget_bind_event
sof_widget_ready
sof_route_unload
sof_widget_unload
sof_dai_load
sof_dai_unload
sof_dai_set_format
sof_set_dai_config
sof_link_ssp_load
sof_link_sai_load
sof_link_esai_load
sof_link_dmic_load
sof_link_hda_process
sof_link_hda_load
sof_link_alh_load
sof_link_load
sof_link_hda_unload
sof_link_unload
sof_route_load
snd_sof_cache_kcontrol_val
snd_sof_complete_pipeline
sof_complete
sof_manifest
snd_sof_init_topology
snd_sof_load_topology
   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         /* init the get/put bytes data */
 547         scontrol->size = sizeof(struct sof_ipc_ctrl_data) +
 548                 le32_to_cpu(control->priv.size);
 549 
 550         if (scontrol->size > max_size) {
 551                 dev_err(sdev->dev, "err: bytes data size %d exceeds max %d.\n",
 552                         scontrol->size, max_size);
 553                 return -EINVAL;
 554         }
 555 
 556         scontrol->control_data = kzalloc(max_size, GFP_KERNEL);
 557         cdata = scontrol->control_data;
 558         if (!scontrol->control_data)
 559                 return -ENOMEM;
 560 
 561         scontrol->comp_id = sdev->next_comp_id;
 562         scontrol->cmd = SOF_CTRL_CMD_BINARY;
 563 
 564         dev_dbg(sdev->dev, "tplg: load kcontrol index %d chans %d\n",
 565                 scontrol->comp_id, scontrol->num_channels);
 566 
 567         if (le32_to_cpu(control->priv.size) > 0) {
 568                 memcpy(cdata->data, control->priv.data,
 569                        le32_to_cpu(control->priv.size));
 570 
 571                 if (cdata->data->magic != SOF_ABI_MAGIC) {
 572                         dev_err(sdev->dev, "error: Wrong ABI magic 0x%08x.\n",
 573                                 cdata->data->magic);
 574                         return -EINVAL;
 575                 }
 576                 if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION,
 577                                                  cdata->data->abi)) {
 578                         dev_err(sdev->dev,
 579                                 "error: Incompatible ABI version 0x%08x.\n",
 580                                 cdata->data->abi);
 581                         return -EINVAL;
 582                 }
 583                 if (cdata->data->size + sizeof(const struct sof_abi_hdr) !=
 584                     le32_to_cpu(control->priv.size)) {
 585                         dev_err(sdev->dev,
 586                                 "error: Conflict in bytes vs. priv size.\n");
 587                         return -EINVAL;
 588                 }
 589         }
 590         return 0;
 591 }
 592 
 593 /*
 594  * Topology Token Parsing.
 595  * New tokens should be added to headers and parsing tables below.
 596  */
 597 
 598 struct sof_topology_token {
 599         u32 token;
 600         u32 type;
 601         int (*get_token)(void *elem, void *object, u32 offset, u32 size);
 602         u32 offset;
 603         u32 size;
 604 };
 605 
 606 static int get_token_u32(void *elem, void *object, u32 offset, u32 size)
 607 {
 608         struct snd_soc_tplg_vendor_value_elem *velem = elem;
 609         u32 *val = (u32 *)((u8 *)object + offset);
 610 
 611         *val = le32_to_cpu(velem->value);
 612         return 0;
 613 }
 614 
 615 static int get_token_u16(void *elem, void *object, u32 offset, u32 size)
 616 {
 617         struct snd_soc_tplg_vendor_value_elem *velem = elem;
 618         u16 *val = (u16 *)((u8 *)object + offset);
 619 
 620         *val = (u16)le32_to_cpu(velem->value);
 621         return 0;
 622 }
 623 
 624 static int get_token_comp_format(void *elem, void *object, u32 offset, u32 size)
 625 {
 626         struct snd_soc_tplg_vendor_string_elem *velem = elem;
 627         u32 *val = (u32 *)((u8 *)object + offset);
 628 
 629         *val = find_format(velem->string);
 630         return 0;
 631 }
 632 
 633 static int get_token_dai_type(void *elem, void *object, u32 offset, u32 size)
 634 {
 635         struct snd_soc_tplg_vendor_string_elem *velem = elem;
 636         u32 *val = (u32 *)((u8 *)object + offset);
 637 
 638         *val = find_dai(velem->string);
 639         return 0;
 640 }
 641 
 642 static int get_token_process_type(void *elem, void *object, u32 offset,
 643                                   u32 size)
 644 {
 645         struct snd_soc_tplg_vendor_string_elem *velem = elem;
 646         u32 *val = (u32 *)((u8 *)object + offset);
 647 
 648         *val = find_process(velem->string);
 649         return 0;
 650 }
 651 
 652 /* Buffers */
 653 static const struct sof_topology_token buffer_tokens[] = {
 654         {SOF_TKN_BUF_SIZE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 655                 offsetof(struct sof_ipc_buffer, size), 0},
 656         {SOF_TKN_BUF_CAPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 657                 offsetof(struct sof_ipc_buffer, caps), 0},
 658 };
 659 
 660 /* DAI */
 661 static const struct sof_topology_token dai_tokens[] = {
 662         {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
 663                 offsetof(struct sof_ipc_comp_dai, type), 0},
 664         {SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 665                 offsetof(struct sof_ipc_comp_dai, dai_index), 0},
 666         {SOF_TKN_DAI_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 667                 offsetof(struct sof_ipc_comp_dai, direction), 0},
 668 };
 669 
 670 /* BE DAI link */
 671 static const struct sof_topology_token dai_link_tokens[] = {
 672         {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
 673                 offsetof(struct sof_ipc_dai_config, type), 0},
 674         {SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 675                 offsetof(struct sof_ipc_dai_config, dai_index), 0},
 676 };
 677 
 678 /* scheduling */
 679 static const struct sof_topology_token sched_tokens[] = {
 680         {SOF_TKN_SCHED_PERIOD, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 681                 offsetof(struct sof_ipc_pipe_new, period), 0},
 682         {SOF_TKN_SCHED_PRIORITY, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 683                 offsetof(struct sof_ipc_pipe_new, priority), 0},
 684         {SOF_TKN_SCHED_MIPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 685                 offsetof(struct sof_ipc_pipe_new, period_mips), 0},
 686         {SOF_TKN_SCHED_CORE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 687                 offsetof(struct sof_ipc_pipe_new, core), 0},
 688         {SOF_TKN_SCHED_FRAMES, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 689                 offsetof(struct sof_ipc_pipe_new, frames_per_sched), 0},
 690         {SOF_TKN_SCHED_TIME_DOMAIN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 691                 offsetof(struct sof_ipc_pipe_new, time_domain), 0},
 692 };
 693 
 694 /* volume */
 695 static const struct sof_topology_token volume_tokens[] = {
 696         {SOF_TKN_VOLUME_RAMP_STEP_TYPE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
 697                 get_token_u32, offsetof(struct sof_ipc_comp_volume, ramp), 0},
 698         {SOF_TKN_VOLUME_RAMP_STEP_MS,
 699                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 700                 offsetof(struct sof_ipc_comp_volume, initial_ramp), 0},
 701 };
 702 
 703 /* SRC */
 704 static const struct sof_topology_token src_tokens[] = {
 705         {SOF_TKN_SRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 706                 offsetof(struct sof_ipc_comp_src, source_rate), 0},
 707         {SOF_TKN_SRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 708                 offsetof(struct sof_ipc_comp_src, sink_rate), 0},
 709 };
 710 
 711 /* Tone */
 712 static const struct sof_topology_token tone_tokens[] = {
 713 };
 714 
 715 /* EFFECT */
 716 static const struct sof_topology_token process_tokens[] = {
 717         {SOF_TKN_PROCESS_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING,
 718                 get_token_process_type,
 719                 offsetof(struct sof_ipc_comp_process, type), 0},
 720 };
 721 
 722 /* PCM */
 723 static const struct sof_topology_token pcm_tokens[] = {
 724         {SOF_TKN_PCM_DMAC_CONFIG, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 725                 offsetof(struct sof_ipc_comp_host, dmac_config), 0},
 726 };
 727 
 728 /* Generic components */
 729 static const struct sof_topology_token comp_tokens[] = {
 730         {SOF_TKN_COMP_PERIOD_SINK_COUNT,
 731                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 732                 offsetof(struct sof_ipc_comp_config, periods_sink), 0},
 733         {SOF_TKN_COMP_PERIOD_SOURCE_COUNT,
 734                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 735                 offsetof(struct sof_ipc_comp_config, periods_source), 0},
 736         {SOF_TKN_COMP_FORMAT,
 737                 SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_comp_format,
 738                 offsetof(struct sof_ipc_comp_config, frame_fmt), 0},
 739 };
 740 
 741 /* SSP */
 742 static const struct sof_topology_token ssp_tokens[] = {
 743         {SOF_TKN_INTEL_SSP_CLKS_CONTROL,
 744                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 745                 offsetof(struct sof_ipc_dai_ssp_params, clks_control), 0},
 746         {SOF_TKN_INTEL_SSP_MCLK_ID,
 747                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 748                 offsetof(struct sof_ipc_dai_ssp_params, mclk_id), 0},
 749         {SOF_TKN_INTEL_SSP_SAMPLE_BITS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
 750                 get_token_u32,
 751                 offsetof(struct sof_ipc_dai_ssp_params, sample_valid_bits), 0},
 752         {SOF_TKN_INTEL_SSP_FRAME_PULSE_WIDTH, SND_SOC_TPLG_TUPLE_TYPE_SHORT,
 753                 get_token_u16,
 754                 offsetof(struct sof_ipc_dai_ssp_params, frame_pulse_width), 0},
 755         {SOF_TKN_INTEL_SSP_QUIRKS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
 756                 get_token_u32,
 757                 offsetof(struct sof_ipc_dai_ssp_params, quirks), 0},
 758         {SOF_TKN_INTEL_SSP_TDM_PADDING_PER_SLOT, SND_SOC_TPLG_TUPLE_TYPE_BOOL,
 759                 get_token_u16,
 760                 offsetof(struct sof_ipc_dai_ssp_params,
 761                          tdm_per_slot_padding_flag), 0},
 762         {SOF_TKN_INTEL_SSP_BCLK_DELAY, SND_SOC_TPLG_TUPLE_TYPE_WORD,
 763                 get_token_u32,
 764                 offsetof(struct sof_ipc_dai_ssp_params, bclk_delay), 0},
 765 
 766 };
 767 
 768 /* DMIC */
 769 static const struct sof_topology_token dmic_tokens[] = {
 770         {SOF_TKN_INTEL_DMIC_DRIVER_VERSION,
 771                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 772                 offsetof(struct sof_ipc_dai_dmic_params, driver_ipc_version),
 773                 0},
 774         {SOF_TKN_INTEL_DMIC_CLK_MIN,
 775                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 776                 offsetof(struct sof_ipc_dai_dmic_params, pdmclk_min), 0},
 777         {SOF_TKN_INTEL_DMIC_CLK_MAX,
 778                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 779                 offsetof(struct sof_ipc_dai_dmic_params, pdmclk_max), 0},
 780         {SOF_TKN_INTEL_DMIC_SAMPLE_RATE,
 781                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 782                 offsetof(struct sof_ipc_dai_dmic_params, fifo_fs), 0},
 783         {SOF_TKN_INTEL_DMIC_DUTY_MIN,
 784                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 785                 offsetof(struct sof_ipc_dai_dmic_params, duty_min), 0},
 786         {SOF_TKN_INTEL_DMIC_DUTY_MAX,
 787                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 788                 offsetof(struct sof_ipc_dai_dmic_params, duty_max), 0},
 789         {SOF_TKN_INTEL_DMIC_NUM_PDM_ACTIVE,
 790                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 791                 offsetof(struct sof_ipc_dai_dmic_params,
 792                          num_pdm_active), 0},
 793         {SOF_TKN_INTEL_DMIC_FIFO_WORD_LENGTH,
 794                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 795                 offsetof(struct sof_ipc_dai_dmic_params, fifo_bits), 0},
 796         {SOF_TKN_INTEL_DMIC_UNMUTE_RAMP_TIME_MS,
 797                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 798                 offsetof(struct sof_ipc_dai_dmic_params, unmute_ramp_time), 0},
 799 
 800 };
 801 
 802 /*
 803  * DMIC PDM Tokens
 804  * SOF_TKN_INTEL_DMIC_PDM_CTRL_ID should be the first token
 805  * as it increments the index while parsing the array of pdm tokens
 806  * and determines the correct offset
 807  */
 808 static const struct sof_topology_token dmic_pdm_tokens[] = {
 809         {SOF_TKN_INTEL_DMIC_PDM_CTRL_ID,
 810                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 811                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, id),
 812                 0},
 813         {SOF_TKN_INTEL_DMIC_PDM_MIC_A_Enable,
 814                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 815                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_a),
 816                 0},
 817         {SOF_TKN_INTEL_DMIC_PDM_MIC_B_Enable,
 818                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 819                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_b),
 820                 0},
 821         {SOF_TKN_INTEL_DMIC_PDM_POLARITY_A,
 822                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 823                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_a),
 824                 0},
 825         {SOF_TKN_INTEL_DMIC_PDM_POLARITY_B,
 826                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 827                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_b),
 828                 0},
 829         {SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE,
 830                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 831                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, clk_edge),
 832                 0},
 833         {SOF_TKN_INTEL_DMIC_PDM_SKEW,
 834                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 835                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, skew),
 836                 0},
 837 };
 838 
 839 /* HDA */
 840 static const struct sof_topology_token hda_tokens[] = {
 841 };
 842 
 843 static void sof_parse_uuid_tokens(struct snd_soc_component *scomp,
 844                                   void *object,
 845                                   const struct sof_topology_token *tokens,
 846                                   int count,
 847                                   struct snd_soc_tplg_vendor_array *array)
 848 {
 849         struct snd_soc_tplg_vendor_uuid_elem *elem;
 850         int i, j;
 851 
 852         /* parse element by element */
 853         for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
 854                 elem = &array->uuid[i];
 855 
 856                 /* search for token */
 857                 for (j = 0; j < count; j++) {
 858                         /* match token type */
 859                         if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_UUID)
 860                                 continue;
 861 
 862                         /* match token id */
 863                         if (tokens[j].token != le32_to_cpu(elem->token))
 864                                 continue;
 865 
 866                         /* matched - now load token */
 867                         tokens[j].get_token(elem, object, tokens[j].offset,
 868                                             tokens[j].size);
 869                 }
 870         }
 871 }
 872 
 873 static void sof_parse_string_tokens(struct snd_soc_component *scomp,
 874                                     void *object,
 875                                     const struct sof_topology_token *tokens,
 876                                     int count,
 877                                     struct snd_soc_tplg_vendor_array *array)
 878 {
 879         struct snd_soc_tplg_vendor_string_elem *elem;
 880         int i, j;
 881 
 882         /* parse element by element */
 883         for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
 884                 elem = &array->string[i];
 885 
 886                 /* search for token */
 887                 for (j = 0; j < count; j++) {
 888                         /* match token type */
 889                         if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_STRING)
 890                                 continue;
 891 
 892                         /* match token id */
 893                         if (tokens[j].token != le32_to_cpu(elem->token))
 894                                 continue;
 895 
 896                         /* matched - now load token */
 897                         tokens[j].get_token(elem, object, tokens[j].offset,
 898                                             tokens[j].size);
 899                 }
 900         }
 901 }
 902 
 903 static void sof_parse_word_tokens(struct snd_soc_component *scomp,
 904                                   void *object,
 905                                   const struct sof_topology_token *tokens,
 906                                   int count,
 907                                   struct snd_soc_tplg_vendor_array *array)
 908 {
 909         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 910         struct snd_soc_tplg_vendor_value_elem *elem;
 911         size_t size = sizeof(struct sof_ipc_dai_dmic_pdm_ctrl);
 912         int i, j;
 913         u32 offset;
 914         u32 *index = NULL;
 915 
 916         /* parse element by element */
 917         for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
 918                 elem = &array->value[i];
 919 
 920                 /* search for token */
 921                 for (j = 0; j < count; j++) {
 922                         /* match token type */
 923                         if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD ||
 924                               tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT ||
 925                               tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE ||
 926                               tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL))
 927                                 continue;
 928 
 929                         /* match token id */
 930                         if (tokens[j].token != le32_to_cpu(elem->token))
 931                                 continue;
 932 
 933                         /* pdm config array index */
 934                         if (sdev->private)
 935                                 index = sdev->private;
 936 
 937                         /* matched - determine offset */
 938                         switch (tokens[j].token) {
 939                         case SOF_TKN_INTEL_DMIC_PDM_CTRL_ID:
 940 
 941                                 /* inc number of pdm array index */
 942                                 if (index)
 943                                         (*index)++;
 944                                 /* fallthrough */
 945                         case SOF_TKN_INTEL_DMIC_PDM_MIC_A_Enable:
 946                         case SOF_TKN_INTEL_DMIC_PDM_MIC_B_Enable:
 947                         case SOF_TKN_INTEL_DMIC_PDM_POLARITY_A:
 948                         case SOF_TKN_INTEL_DMIC_PDM_POLARITY_B:
 949                         case SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE:
 950                         case SOF_TKN_INTEL_DMIC_PDM_SKEW:
 951 
 952                                 /* check if array index is valid */
 953                                 if (!index || *index == 0) {
 954                                         dev_err(sdev->dev,
 955                                                 "error: invalid array offset\n");
 956                                         continue;
 957                                 } else {
 958                                         /* offset within the pdm config array */
 959                                         offset = size * (*index - 1);
 960                                 }
 961                                 break;
 962                         default:
 963                                 offset = 0;
 964                                 break;
 965                         }
 966 
 967                         /* load token */
 968                         tokens[j].get_token(elem, object,
 969                                             offset + tokens[j].offset,
 970                                             tokens[j].size);
 971                 }
 972         }
 973 }
 974 
 975 static int sof_parse_tokens(struct snd_soc_component *scomp,
 976                             void *object,
 977                             const struct sof_topology_token *tokens,
 978                             int count,
 979                             struct snd_soc_tplg_vendor_array *array,
 980                             int priv_size)
 981 {
 982         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 983         int asize;
 984 
 985         while (priv_size > 0) {
 986                 asize = le32_to_cpu(array->size);
 987 
 988                 /* validate asize */
 989                 if (asize < 0) { /* FIXME: A zero-size array makes no sense */
 990                         dev_err(sdev->dev, "error: invalid array size 0x%x\n",
 991                                 asize);
 992                         return -EINVAL;
 993                 }
 994 
 995                 /* make sure there is enough data before parsing */
 996                 priv_size -= asize;
 997                 if (priv_size < 0) {
 998                         dev_err(sdev->dev, "error: invalid array size 0x%x\n",
 999                                 asize);
1000                         return -EINVAL;
1001                 }
1002 
1003                 /* call correct parser depending on type */
1004                 switch (le32_to_cpu(array->type)) {
1005                 case SND_SOC_TPLG_TUPLE_TYPE_UUID:
1006                         sof_parse_uuid_tokens(scomp, object, tokens, count,
1007                                               array);
1008                         break;
1009                 case SND_SOC_TPLG_TUPLE_TYPE_STRING:
1010                         sof_parse_string_tokens(scomp, object, tokens, count,
1011                                                 array);
1012                         break;
1013                 case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
1014                 case SND_SOC_TPLG_TUPLE_TYPE_BYTE:
1015                 case SND_SOC_TPLG_TUPLE_TYPE_WORD:
1016                 case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
1017                         sof_parse_word_tokens(scomp, object, tokens, count,
1018                                               array);
1019                         break;
1020                 default:
1021                         dev_err(sdev->dev, "error: unknown token type %d\n",
1022                                 array->type);
1023                         return -EINVAL;
1024                 }
1025 
1026                 /* next array */
1027                 array = (struct snd_soc_tplg_vendor_array *)((u8 *)array
1028                         + asize);
1029         }
1030         return 0;
1031 }
1032 
1033 static void sof_dbg_comp_config(struct snd_soc_component *scomp,
1034                                 struct sof_ipc_comp_config *config)
1035 {
1036         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1037 
1038         dev_dbg(sdev->dev, " config: periods snk %d src %d fmt %d\n",
1039                 config->periods_sink, config->periods_source,
1040                 config->frame_fmt);
1041 }
1042 
1043 /* external kcontrol init - used for any driver specific init */
1044 static int sof_control_load(struct snd_soc_component *scomp, int index,
1045                             struct snd_kcontrol_new *kc,
1046                             struct snd_soc_tplg_ctl_hdr *hdr)
1047 {
1048         struct soc_mixer_control *sm;
1049         struct soc_bytes_ext *sbe;
1050         struct soc_enum *se;
1051         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1052         struct snd_soc_dobj *dobj;
1053         struct snd_sof_control *scontrol;
1054         int ret = -EINVAL;
1055 
1056         dev_dbg(sdev->dev, "tplg: load control type %d name : %s\n",
1057                 hdr->type, hdr->name);
1058 
1059         scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL);
1060         if (!scontrol)
1061                 return -ENOMEM;
1062 
1063         scontrol->sdev = sdev;
1064 
1065         switch (le32_to_cpu(hdr->ops.info)) {
1066         case SND_SOC_TPLG_CTL_VOLSW:
1067         case SND_SOC_TPLG_CTL_VOLSW_SX:
1068         case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1069                 sm = (struct soc_mixer_control *)kc->private_value;
1070                 dobj = &sm->dobj;
1071                 ret = sof_control_load_volume(scomp, scontrol, kc, hdr);
1072                 break;
1073         case SND_SOC_TPLG_CTL_BYTES:
1074                 sbe = (struct soc_bytes_ext *)kc->private_value;
1075                 dobj = &sbe->dobj;
1076                 ret = sof_control_load_bytes(scomp, scontrol, kc, hdr);
1077                 break;
1078         case SND_SOC_TPLG_CTL_ENUM:
1079         case SND_SOC_TPLG_CTL_ENUM_VALUE:
1080                 se = (struct soc_enum *)kc->private_value;
1081                 dobj = &se->dobj;
1082                 ret = sof_control_load_enum(scomp, scontrol, kc, hdr);
1083                 break;
1084         case SND_SOC_TPLG_CTL_RANGE:
1085         case SND_SOC_TPLG_CTL_STROBE:
1086         case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1087         case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1088         case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1089         case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1090         case SND_SOC_TPLG_DAPM_CTL_PIN:
1091         default:
1092                 dev_warn(sdev->dev, "control type not supported %d:%d:%d\n",
1093                          hdr->ops.get, hdr->ops.put, hdr->ops.info);
1094                 kfree(scontrol);
1095                 return 0;
1096         }
1097 
1098         dobj->private = scontrol;
1099         list_add(&scontrol->list, &sdev->kcontrol_list);
1100         return ret;
1101 }
1102 
1103 static int sof_control_unload(struct snd_soc_component *scomp,
1104                               struct snd_soc_dobj *dobj)
1105 {
1106         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1107         struct sof_ipc_free fcomp;
1108         struct snd_sof_control *scontrol = dobj->private;
1109 
1110         dev_dbg(sdev->dev, "tplg: unload control name : %s\n", scomp->name);
1111 
1112         fcomp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_FREE;
1113         fcomp.hdr.size = sizeof(fcomp);
1114         fcomp.id = scontrol->comp_id;
1115 
1116         kfree(scontrol->control_data);
1117         list_del(&scontrol->list);
1118         kfree(scontrol);
1119         /* send IPC to the DSP */
1120         return sof_ipc_tx_message(sdev->ipc,
1121                                   fcomp.hdr.cmd, &fcomp, sizeof(fcomp),
1122                                   NULL, 0);
1123 }
1124 
1125 /*
1126  * DAI Topology
1127  */
1128 
1129 static int sof_connect_dai_widget(struct snd_soc_component *scomp,
1130                                   struct snd_soc_dapm_widget *w,
1131                                   struct snd_soc_tplg_dapm_widget *tw,
1132                                   struct snd_sof_dai *dai)
1133 {
1134         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1135         struct snd_soc_card *card = scomp->card;
1136         struct snd_soc_pcm_runtime *rtd;
1137 
1138         list_for_each_entry(rtd, &card->rtd_list, list) {
1139                 dev_vdbg(sdev->dev, "tplg: check widget: %s stream: %s dai stream: %s\n",
1140                          w->name,  w->sname, rtd->dai_link->stream_name);
1141 
1142                 if (!w->sname || !rtd->dai_link->stream_name)
1143                         continue;
1144 
1145                 /* does stream match DAI link ? */
1146                 if (strcmp(w->sname, rtd->dai_link->stream_name))
1147                         continue;
1148 
1149                 switch (w->id) {
1150                 case snd_soc_dapm_dai_out:
1151                         rtd->cpu_dai->capture_widget = w;
1152                         dai->name = rtd->dai_link->name;
1153                         dev_dbg(sdev->dev, "tplg: connected widget %s -> DAI link %s\n",
1154                                 w->name, rtd->dai_link->name);
1155                         break;
1156                 case snd_soc_dapm_dai_in:
1157                         rtd->cpu_dai->playback_widget = w;
1158                         dai->name = rtd->dai_link->name;
1159                         dev_dbg(sdev->dev, "tplg: connected widget %s -> DAI link %s\n",
1160                                 w->name, rtd->dai_link->name);
1161                         break;
1162                 default:
1163                         break;
1164                 }
1165         }
1166 
1167         /* check we have a connection */
1168         if (!dai->name) {
1169                 dev_err(sdev->dev, "error: can't connect DAI %s stream %s\n",
1170                         w->name, w->sname);
1171                 return -EINVAL;
1172         }
1173 
1174         return 0;
1175 }
1176 
1177 static int sof_widget_load_dai(struct snd_soc_component *scomp, int index,
1178                                struct snd_sof_widget *swidget,
1179                                struct snd_soc_tplg_dapm_widget *tw,
1180                                struct sof_ipc_comp_reply *r,
1181                                struct snd_sof_dai *dai)
1182 {
1183         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1184         struct snd_soc_tplg_private *private = &tw->priv;
1185         struct sof_ipc_comp_dai comp_dai;
1186         int ret;
1187 
1188         /* configure dai IPC message */
1189         memset(&comp_dai, 0, sizeof(comp_dai));
1190         comp_dai.comp.hdr.size = sizeof(comp_dai);
1191         comp_dai.comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1192         comp_dai.comp.id = swidget->comp_id;
1193         comp_dai.comp.type = SOF_COMP_DAI;
1194         comp_dai.comp.pipeline_id = index;
1195         comp_dai.config.hdr.size = sizeof(comp_dai.config);
1196 
1197         ret = sof_parse_tokens(scomp, &comp_dai, dai_tokens,
1198                                ARRAY_SIZE(dai_tokens), private->array,
1199                                le32_to_cpu(private->size));
1200         if (ret != 0) {
1201                 dev_err(sdev->dev, "error: parse dai tokens failed %d\n",
1202                         le32_to_cpu(private->size));
1203                 return ret;
1204         }
1205 
1206         ret = sof_parse_tokens(scomp, &comp_dai.config, comp_tokens,
1207                                ARRAY_SIZE(comp_tokens), private->array,
1208                                le32_to_cpu(private->size));
1209         if (ret != 0) {
1210                 dev_err(sdev->dev, "error: parse dai.cfg tokens failed %d\n",
1211                         private->size);
1212                 return ret;
1213         }
1214 
1215         dev_dbg(sdev->dev, "dai %s: type %d index %d\n",
1216                 swidget->widget->name, comp_dai.type, comp_dai.dai_index);
1217         sof_dbg_comp_config(scomp, &comp_dai.config);
1218 
1219         ret = sof_ipc_tx_message(sdev->ipc, comp_dai.comp.hdr.cmd,
1220                                  &comp_dai, sizeof(comp_dai), r, sizeof(*r));
1221 
1222         if (ret == 0 && dai) {
1223                 dai->sdev = sdev;
1224                 memcpy(&dai->comp_dai, &comp_dai, sizeof(comp_dai));
1225         }
1226 
1227         return ret;
1228 }
1229 
1230 /*
1231  * Buffer topology
1232  */
1233 
1234 static int sof_widget_load_buffer(struct snd_soc_component *scomp, int index,
1235                                   struct snd_sof_widget *swidget,
1236                                   struct snd_soc_tplg_dapm_widget *tw,
1237                                   struct sof_ipc_comp_reply *r)
1238 {
1239         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1240         struct snd_soc_tplg_private *private = &tw->priv;
1241         struct sof_ipc_buffer *buffer;
1242         int ret;
1243 
1244         buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
1245         if (!buffer)
1246                 return -ENOMEM;
1247 
1248         /* configure dai IPC message */
1249         buffer->comp.hdr.size = sizeof(*buffer);
1250         buffer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_BUFFER_NEW;
1251         buffer->comp.id = swidget->comp_id;
1252         buffer->comp.type = SOF_COMP_BUFFER;
1253         buffer->comp.pipeline_id = index;
1254 
1255         ret = sof_parse_tokens(scomp, buffer, buffer_tokens,
1256                                ARRAY_SIZE(buffer_tokens), private->array,
1257                                le32_to_cpu(private->size));
1258         if (ret != 0) {
1259                 dev_err(sdev->dev, "error: parse buffer tokens failed %d\n",
1260                         private->size);
1261                 kfree(buffer);
1262                 return ret;
1263         }
1264 
1265         dev_dbg(sdev->dev, "buffer %s: size %d caps 0x%x\n",
1266                 swidget->widget->name, buffer->size, buffer->caps);
1267 
1268         swidget->private = buffer;
1269 
1270         ret = sof_ipc_tx_message(sdev->ipc, buffer->comp.hdr.cmd, buffer,
1271                                  sizeof(*buffer), r, sizeof(*r));
1272         if (ret < 0) {
1273                 dev_err(sdev->dev, "error: buffer %s load failed\n",
1274                         swidget->widget->name);
1275                 kfree(buffer);
1276         }
1277 
1278         return ret;
1279 }
1280 
1281 /* bind PCM ID to host component ID */
1282 static int spcm_bind(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm,
1283                      int dir)
1284 {
1285         struct snd_sof_widget *host_widget;
1286 
1287         host_widget = snd_sof_find_swidget_sname(sdev,
1288                                                  spcm->pcm.caps[dir].name,
1289                                                  dir);
1290         if (!host_widget) {
1291                 dev_err(sdev->dev, "can't find host comp to bind pcm\n");
1292                 return -EINVAL;
1293         }
1294 
1295         spcm->stream[dir].comp_id = host_widget->comp_id;
1296 
1297         return 0;
1298 }
1299 
1300 /*
1301  * PCM Topology
1302  */
1303 
1304 static int sof_widget_load_pcm(struct snd_soc_component *scomp, int index,
1305                                struct snd_sof_widget *swidget,
1306                                enum sof_ipc_stream_direction dir,
1307                                struct snd_soc_tplg_dapm_widget *tw,
1308                                struct sof_ipc_comp_reply *r)
1309 {
1310         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1311         struct snd_soc_tplg_private *private = &tw->priv;
1312         struct sof_ipc_comp_host *host;
1313         int ret;
1314 
1315         host = kzalloc(sizeof(*host), GFP_KERNEL);
1316         if (!host)
1317                 return -ENOMEM;
1318 
1319         /* configure host comp IPC message */
1320         host->comp.hdr.size = sizeof(*host);
1321         host->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1322         host->comp.id = swidget->comp_id;
1323         host->comp.type = SOF_COMP_HOST;
1324         host->comp.pipeline_id = index;
1325         host->direction = dir;
1326         host->config.hdr.size = sizeof(host->config);
1327 
1328         ret = sof_parse_tokens(scomp, host, pcm_tokens,
1329                                ARRAY_SIZE(pcm_tokens), private->array,
1330                                le32_to_cpu(private->size));
1331         if (ret != 0) {
1332                 dev_err(sdev->dev, "error: parse host tokens failed %d\n",
1333                         private->size);
1334                 goto err;
1335         }
1336 
1337         ret = sof_parse_tokens(scomp, &host->config, comp_tokens,
1338                                ARRAY_SIZE(comp_tokens), private->array,
1339                                le32_to_cpu(private->size));
1340         if (ret != 0) {
1341                 dev_err(sdev->dev, "error: parse host.cfg tokens failed %d\n",
1342                         le32_to_cpu(private->size));
1343                 goto err;
1344         }
1345 
1346         dev_dbg(sdev->dev, "loaded host %s\n", swidget->widget->name);
1347         sof_dbg_comp_config(scomp, &host->config);
1348 
1349         swidget->private = host;
1350 
1351         ret = sof_ipc_tx_message(sdev->ipc, host->comp.hdr.cmd, host,
1352                                  sizeof(*host), r, sizeof(*r));
1353         if (ret >= 0)
1354                 return ret;
1355 err:
1356         kfree(host);
1357         return ret;
1358 }
1359 
1360 /*
1361  * Pipeline Topology
1362  */
1363 int sof_load_pipeline_ipc(struct snd_sof_dev *sdev,
1364                           struct sof_ipc_pipe_new *pipeline,
1365                           struct sof_ipc_comp_reply *r)
1366 {
1367         struct sof_ipc_pm_core_config pm_core_config;
1368         int ret;
1369 
1370         ret = sof_ipc_tx_message(sdev->ipc, pipeline->hdr.cmd, pipeline,
1371                                  sizeof(*pipeline), r, sizeof(*r));
1372         if (ret < 0) {
1373                 dev_err(sdev->dev, "error: load pipeline ipc failure\n");
1374                 return ret;
1375         }
1376 
1377         /* power up the core that this pipeline is scheduled on */
1378         ret = snd_sof_dsp_core_power_up(sdev, 1 << pipeline->core);
1379         if (ret < 0) {
1380                 dev_err(sdev->dev, "error: powering up pipeline schedule core %d\n",
1381                         pipeline->core);
1382                 return ret;
1383         }
1384 
1385         /* update enabled cores mask */
1386         sdev->enabled_cores_mask |= 1 << pipeline->core;
1387 
1388         /*
1389          * Now notify DSP that the core that this pipeline is scheduled on
1390          * has been powered up
1391          */
1392         memset(&pm_core_config, 0, sizeof(pm_core_config));
1393         pm_core_config.enable_mask = sdev->enabled_cores_mask;
1394 
1395         /* configure CORE_ENABLE ipc message */
1396         pm_core_config.hdr.size = sizeof(pm_core_config);
1397         pm_core_config.hdr.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE;
1398 
1399         /* send ipc */
1400         ret = sof_ipc_tx_message(sdev->ipc, pm_core_config.hdr.cmd,
1401                                  &pm_core_config, sizeof(pm_core_config),
1402                                  &pm_core_config, sizeof(pm_core_config));
1403         if (ret < 0)
1404                 dev_err(sdev->dev, "error: core enable ipc failure\n");
1405 
1406         return ret;
1407 }
1408 
1409 static int sof_widget_load_pipeline(struct snd_soc_component *scomp,
1410                                     int index, struct snd_sof_widget *swidget,
1411                                     struct snd_soc_tplg_dapm_widget *tw,
1412                                     struct sof_ipc_comp_reply *r)
1413 {
1414         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1415         struct snd_soc_tplg_private *private = &tw->priv;
1416         struct sof_ipc_pipe_new *pipeline;
1417         struct snd_sof_widget *comp_swidget;
1418         int ret;
1419 
1420         pipeline = kzalloc(sizeof(*pipeline), GFP_KERNEL);
1421         if (!pipeline)
1422                 return -ENOMEM;
1423 
1424         /* configure dai IPC message */
1425         pipeline->hdr.size = sizeof(*pipeline);
1426         pipeline->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_NEW;
1427         pipeline->pipeline_id = index;
1428         pipeline->comp_id = swidget->comp_id;
1429 
1430         /* component at start of pipeline is our stream id */
1431         comp_swidget = snd_sof_find_swidget(sdev, tw->sname);
1432         if (!comp_swidget) {
1433                 dev_err(sdev->dev, "error: widget %s refers to non existent widget %s\n",
1434                         tw->name, tw->sname);
1435                 ret = -EINVAL;
1436                 goto err;
1437         }
1438 
1439         pipeline->sched_id = comp_swidget->comp_id;
1440 
1441         dev_dbg(sdev->dev, "tplg: pipeline id %d comp %d scheduling comp id %d\n",
1442                 pipeline->pipeline_id, pipeline->comp_id, pipeline->sched_id);
1443 
1444         ret = sof_parse_tokens(scomp, pipeline, sched_tokens,
1445                                ARRAY_SIZE(sched_tokens), private->array,
1446                                le32_to_cpu(private->size));
1447         if (ret != 0) {
1448                 dev_err(sdev->dev, "error: parse pipeline tokens failed %d\n",
1449                         private->size);
1450                 goto err;
1451         }
1452 
1453         dev_dbg(sdev->dev, "pipeline %s: period %d pri %d mips %d core %d frames %d\n",
1454                 swidget->widget->name, pipeline->period, pipeline->priority,
1455                 pipeline->period_mips, pipeline->core, pipeline->frames_per_sched);
1456 
1457         swidget->private = pipeline;
1458 
1459         /* send ipc's to create pipeline comp and power up schedule core */
1460         ret = sof_load_pipeline_ipc(sdev, pipeline, r);
1461         if (ret >= 0)
1462                 return ret;
1463 err:
1464         kfree(pipeline);
1465         return ret;
1466 }
1467 
1468 /*
1469  * Mixer topology
1470  */
1471 
1472 static int sof_widget_load_mixer(struct snd_soc_component *scomp, int index,
1473                                  struct snd_sof_widget *swidget,
1474                                  struct snd_soc_tplg_dapm_widget *tw,
1475                                  struct sof_ipc_comp_reply *r)
1476 {
1477         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1478         struct snd_soc_tplg_private *private = &tw->priv;
1479         struct sof_ipc_comp_mixer *mixer;
1480         int ret;
1481 
1482         mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);
1483         if (!mixer)
1484                 return -ENOMEM;
1485 
1486         /* configure mixer IPC message */
1487         mixer->comp.hdr.size = sizeof(*mixer);
1488         mixer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1489         mixer->comp.id = swidget->comp_id;
1490         mixer->comp.type = SOF_COMP_MIXER;
1491         mixer->comp.pipeline_id = index;
1492         mixer->config.hdr.size = sizeof(mixer->config);
1493 
1494         ret = sof_parse_tokens(scomp, &mixer->config, comp_tokens,
1495                                ARRAY_SIZE(comp_tokens), private->array,
1496                                le32_to_cpu(private->size));
1497         if (ret != 0) {
1498                 dev_err(sdev->dev, "error: parse mixer.cfg tokens failed %d\n",
1499                         private->size);
1500                 kfree(mixer);
1501                 return ret;
1502         }
1503 
1504         sof_dbg_comp_config(scomp, &mixer->config);
1505 
1506         swidget->private = mixer;
1507 
1508         ret = sof_ipc_tx_message(sdev->ipc, mixer->comp.hdr.cmd, mixer,
1509                                  sizeof(*mixer), r, sizeof(*r));
1510         if (ret < 0)
1511                 kfree(mixer);
1512 
1513         return ret;
1514 }
1515 
1516 /*
1517  * Mux topology
1518  */
1519 static int sof_widget_load_mux(struct snd_soc_component *scomp, int index,
1520                                struct snd_sof_widget *swidget,
1521                                struct snd_soc_tplg_dapm_widget *tw,
1522                                struct sof_ipc_comp_reply *r)
1523 {
1524         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1525         struct snd_soc_tplg_private *private = &tw->priv;
1526         struct sof_ipc_comp_mux *mux;
1527         int ret;
1528 
1529         mux = kzalloc(sizeof(*mux), GFP_KERNEL);
1530         if (!mux)
1531                 return -ENOMEM;
1532 
1533         /* configure mux IPC message */
1534         mux->comp.hdr.size = sizeof(*mux);
1535         mux->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1536         mux->comp.id = swidget->comp_id;
1537         mux->comp.type = SOF_COMP_MUX;
1538         mux->comp.pipeline_id = index;
1539         mux->config.hdr.size = sizeof(mux->config);
1540 
1541         ret = sof_parse_tokens(scomp, &mux->config, comp_tokens,
1542                                ARRAY_SIZE(comp_tokens), private->array,
1543                                le32_to_cpu(private->size));
1544         if (ret != 0) {
1545                 dev_err(sdev->dev, "error: parse mux.cfg tokens failed %d\n",
1546                         private->size);
1547                 kfree(mux);
1548                 return ret;
1549         }
1550 
1551         sof_dbg_comp_config(scomp, &mux->config);
1552 
1553         swidget->private = mux;
1554 
1555         ret = sof_ipc_tx_message(sdev->ipc, mux->comp.hdr.cmd, mux,
1556                                  sizeof(*mux), r, sizeof(*r));
1557         if (ret < 0)
1558                 kfree(mux);
1559 
1560         return ret;
1561 }
1562 
1563 /*
1564  * PGA Topology
1565  */
1566 
1567 static int sof_widget_load_pga(struct snd_soc_component *scomp, int index,
1568                                struct snd_sof_widget *swidget,
1569                                struct snd_soc_tplg_dapm_widget *tw,
1570                                struct sof_ipc_comp_reply *r)
1571 {
1572         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1573         struct snd_soc_tplg_private *private = &tw->priv;
1574         struct sof_ipc_comp_volume *volume;
1575         struct snd_sof_control *scontrol;
1576         int min_step;
1577         int max_step;
1578         int ret;
1579 
1580         volume = kzalloc(sizeof(*volume), GFP_KERNEL);
1581         if (!volume)
1582                 return -ENOMEM;
1583 
1584         if (le32_to_cpu(tw->num_kcontrols) != 1) {
1585                 dev_err(sdev->dev, "error: invalid kcontrol count %d for volume\n",
1586                         tw->num_kcontrols);
1587                 ret = -EINVAL;
1588                 goto err;
1589         }
1590 
1591         /* configure volume IPC message */
1592         volume->comp.hdr.size = sizeof(*volume);
1593         volume->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1594         volume->comp.id = swidget->comp_id;
1595         volume->comp.type = SOF_COMP_VOLUME;
1596         volume->comp.pipeline_id = index;
1597         volume->config.hdr.size = sizeof(volume->config);
1598 
1599         ret = sof_parse_tokens(scomp, volume, volume_tokens,
1600                                ARRAY_SIZE(volume_tokens), private->array,
1601                                le32_to_cpu(private->size));
1602         if (ret != 0) {
1603                 dev_err(sdev->dev, "error: parse volume tokens failed %d\n",
1604                         private->size);
1605                 goto err;
1606         }
1607         ret = sof_parse_tokens(scomp, &volume->config, comp_tokens,
1608                                ARRAY_SIZE(comp_tokens), private->array,
1609                                le32_to_cpu(private->size));
1610         if (ret != 0) {
1611                 dev_err(sdev->dev, "error: parse volume.cfg tokens failed %d\n",
1612                         le32_to_cpu(private->size));
1613                 goto err;
1614         }
1615 
1616         sof_dbg_comp_config(scomp, &volume->config);
1617 
1618         swidget->private = volume;
1619 
1620         list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
1621                 if (scontrol->comp_id == swidget->comp_id) {
1622                         min_step = scontrol->min_volume_step;
1623                         max_step = scontrol->max_volume_step;
1624                         volume->min_value = scontrol->volume_table[min_step];
1625                         volume->max_value = scontrol->volume_table[max_step];
1626                         volume->channels = scontrol->num_channels;
1627                         break;
1628                 }
1629         }
1630 
1631         ret = sof_ipc_tx_message(sdev->ipc, volume->comp.hdr.cmd, volume,
1632                                  sizeof(*volume), r, sizeof(*r));
1633         if (ret >= 0)
1634                 return ret;
1635 err:
1636         kfree(volume);
1637         return ret;
1638 }
1639 
1640 /*
1641  * SRC Topology
1642  */
1643 
1644 static int sof_widget_load_src(struct snd_soc_component *scomp, int index,
1645                                struct snd_sof_widget *swidget,
1646                                struct snd_soc_tplg_dapm_widget *tw,
1647                                struct sof_ipc_comp_reply *r)
1648 {
1649         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1650         struct snd_soc_tplg_private *private = &tw->priv;
1651         struct sof_ipc_comp_src *src;
1652         int ret;
1653 
1654         src = kzalloc(sizeof(*src), GFP_KERNEL);
1655         if (!src)
1656                 return -ENOMEM;
1657 
1658         /* configure src IPC message */
1659         src->comp.hdr.size = sizeof(*src);
1660         src->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1661         src->comp.id = swidget->comp_id;
1662         src->comp.type = SOF_COMP_SRC;
1663         src->comp.pipeline_id = index;
1664         src->config.hdr.size = sizeof(src->config);
1665 
1666         ret = sof_parse_tokens(scomp, src, src_tokens,
1667                                ARRAY_SIZE(src_tokens), private->array,
1668                                le32_to_cpu(private->size));
1669         if (ret != 0) {
1670                 dev_err(sdev->dev, "error: parse src tokens failed %d\n",
1671                         private->size);
1672                 goto err;
1673         }
1674 
1675         ret = sof_parse_tokens(scomp, &src->config, comp_tokens,
1676                                ARRAY_SIZE(comp_tokens), private->array,
1677                                le32_to_cpu(private->size));
1678         if (ret != 0) {
1679                 dev_err(sdev->dev, "error: parse src.cfg tokens failed %d\n",
1680                         le32_to_cpu(private->size));
1681                 goto err;
1682         }
1683 
1684         dev_dbg(sdev->dev, "src %s: source rate %d sink rate %d\n",
1685                 swidget->widget->name, src->source_rate, src->sink_rate);
1686         sof_dbg_comp_config(scomp, &src->config);
1687 
1688         swidget->private = src;
1689 
1690         ret = sof_ipc_tx_message(sdev->ipc, src->comp.hdr.cmd, src,
1691                                  sizeof(*src), r, sizeof(*r));
1692         if (ret >= 0)
1693                 return ret;
1694 err:
1695         kfree(src);
1696         return ret;
1697 }
1698 
1699 /*
1700  * Signal Generator Topology
1701  */
1702 
1703 static int sof_widget_load_siggen(struct snd_soc_component *scomp, int index,
1704                                   struct snd_sof_widget *swidget,
1705                                   struct snd_soc_tplg_dapm_widget *tw,
1706                                   struct sof_ipc_comp_reply *r)
1707 {
1708         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1709         struct snd_soc_tplg_private *private = &tw->priv;
1710         struct sof_ipc_comp_tone *tone;
1711         int ret;
1712 
1713         tone = kzalloc(sizeof(*tone), GFP_KERNEL);
1714         if (!tone)
1715                 return -ENOMEM;
1716 
1717         /* configure siggen IPC message */
1718         tone->comp.hdr.size = sizeof(*tone);
1719         tone->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1720         tone->comp.id = swidget->comp_id;
1721         tone->comp.type = SOF_COMP_TONE;
1722         tone->comp.pipeline_id = index;
1723         tone->config.hdr.size = sizeof(tone->config);
1724 
1725         ret = sof_parse_tokens(scomp, tone, tone_tokens,
1726                                ARRAY_SIZE(tone_tokens), private->array,
1727                                le32_to_cpu(private->size));
1728         if (ret != 0) {
1729                 dev_err(sdev->dev, "error: parse tone tokens failed %d\n",
1730                         le32_to_cpu(private->size));
1731                 goto err;
1732         }
1733 
1734         ret = sof_parse_tokens(scomp, &tone->config, comp_tokens,
1735                                ARRAY_SIZE(comp_tokens), private->array,
1736                                le32_to_cpu(private->size));
1737         if (ret != 0) {
1738                 dev_err(sdev->dev, "error: parse tone.cfg tokens failed %d\n",
1739                         le32_to_cpu(private->size));
1740                 goto err;
1741         }
1742 
1743         dev_dbg(sdev->dev, "tone %s: frequency %d amplitude %d\n",
1744                 swidget->widget->name, tone->frequency, tone->amplitude);
1745         sof_dbg_comp_config(scomp, &tone->config);
1746 
1747         swidget->private = tone;
1748 
1749         ret = sof_ipc_tx_message(sdev->ipc, tone->comp.hdr.cmd, tone,
1750                                  sizeof(*tone), r, sizeof(*r));
1751         if (ret >= 0)
1752                 return ret;
1753 err:
1754         kfree(tone);
1755         return ret;
1756 }
1757 
1758 static int sof_get_control_data(struct snd_sof_dev *sdev,
1759                                 struct snd_soc_dapm_widget *widget,
1760                                 struct sof_widget_data *wdata,
1761                                 size_t *size)
1762 {
1763         const struct snd_kcontrol_new *kc;
1764         struct soc_mixer_control *sm;
1765         struct soc_bytes_ext *sbe;
1766         struct soc_enum *se;
1767         int i;
1768 
1769         *size = 0;
1770 
1771         for (i = 0; i < widget->num_kcontrols; i++) {
1772                 kc = &widget->kcontrol_news[i];
1773 
1774                 switch (widget->dobj.widget.kcontrol_type) {
1775                 case SND_SOC_TPLG_TYPE_MIXER:
1776                         sm = (struct soc_mixer_control *)kc->private_value;
1777                         wdata[i].control = sm->dobj.private;
1778                         break;
1779                 case SND_SOC_TPLG_TYPE_BYTES:
1780                         sbe = (struct soc_bytes_ext *)kc->private_value;
1781                         wdata[i].control = sbe->dobj.private;
1782                         break;
1783                 case SND_SOC_TPLG_TYPE_ENUM:
1784                         se = (struct soc_enum *)kc->private_value;
1785                         wdata[i].control = se->dobj.private;
1786                         break;
1787                 default:
1788                         dev_err(sdev->dev, "error: unknown kcontrol type %d in widget %s\n",
1789                                 widget->dobj.widget.kcontrol_type,
1790                                 widget->name);
1791                         return -EINVAL;
1792                 }
1793 
1794                 if (!wdata[i].control) {
1795                         dev_err(sdev->dev, "error: no scontrol for widget %s\n",
1796                                 widget->name);
1797                         return -EINVAL;
1798                 }
1799 
1800                 wdata[i].pdata = wdata[i].control->control_data->data;
1801                 if (!wdata[i].pdata)
1802                         return -EINVAL;
1803 
1804                 /* make sure data is valid - data can be updated at runtime */
1805                 if (wdata[i].pdata->magic != SOF_ABI_MAGIC)
1806                         return -EINVAL;
1807 
1808                 *size += wdata[i].pdata->size;
1809 
1810                 /* get data type */
1811                 switch (wdata[i].control->cmd) {
1812                 case SOF_CTRL_CMD_VOLUME:
1813                 case SOF_CTRL_CMD_ENUM:
1814                 case SOF_CTRL_CMD_SWITCH:
1815                         wdata[i].ipc_cmd = SOF_IPC_COMP_SET_VALUE;
1816                         wdata[i].ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_SET;
1817                         break;
1818                 case SOF_CTRL_CMD_BINARY:
1819                         wdata[i].ipc_cmd = SOF_IPC_COMP_SET_DATA;
1820                         wdata[i].ctrl_type = SOF_CTRL_TYPE_DATA_SET;
1821                         break;
1822                 default:
1823                         break;
1824                 }
1825         }
1826 
1827         return 0;
1828 }
1829 
1830 static int sof_process_load(struct snd_soc_component *scomp, int index,
1831                             struct snd_sof_widget *swidget,
1832                             struct snd_soc_tplg_dapm_widget *tw,
1833                             struct sof_ipc_comp_reply *r,
1834                             int type)
1835 {
1836         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1837         struct snd_soc_dapm_widget *widget = swidget->widget;
1838         struct snd_soc_tplg_private *private = &tw->priv;
1839         struct sof_ipc_comp_process *process = NULL;
1840         struct sof_widget_data *wdata = NULL;
1841         size_t ipc_data_size = 0;
1842         size_t ipc_size;
1843         int offset = 0;
1844         int ret = 0;
1845         int i;
1846 
1847         if (type == SOF_COMP_NONE) {
1848                 dev_err(sdev->dev, "error: invalid process comp type %d\n",
1849                         type);
1850                 return -EINVAL;
1851         }
1852 
1853         /* allocate struct for widget control data sizes and types */
1854         if (widget->num_kcontrols) {
1855                 wdata = kcalloc(widget->num_kcontrols,
1856                                 sizeof(*wdata),
1857                                 GFP_KERNEL);
1858 
1859                 if (!wdata)
1860                         return -ENOMEM;
1861 
1862                 /* get possible component controls and get size of all pdata */
1863                 ret = sof_get_control_data(sdev, widget, wdata,
1864                                            &ipc_data_size);
1865 
1866                 if (ret < 0)
1867                         goto out;
1868         }
1869 
1870         ipc_size = sizeof(struct sof_ipc_comp_process) +
1871                 le32_to_cpu(private->size) +
1872                 ipc_data_size;
1873 
1874         /* we are exceeding max ipc size, config needs to be sent separately */
1875         if (ipc_size > SOF_IPC_MSG_MAX_SIZE) {
1876                 ipc_size -= ipc_data_size;
1877                 ipc_data_size = 0;
1878         }
1879 
1880         process = kzalloc(ipc_size, GFP_KERNEL);
1881         if (!process) {
1882                 ret = -ENOMEM;
1883                 goto out;
1884         }
1885 
1886         /* configure iir IPC message */
1887         process->comp.hdr.size = ipc_size;
1888         process->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1889         process->comp.id = swidget->comp_id;
1890         process->comp.type = type;
1891         process->comp.pipeline_id = index;
1892         process->config.hdr.size = sizeof(process->config);
1893 
1894         ret = sof_parse_tokens(scomp, &process->config, comp_tokens,
1895                                ARRAY_SIZE(comp_tokens), private->array,
1896                                le32_to_cpu(private->size));
1897         if (ret != 0) {
1898                 dev_err(sdev->dev, "error: parse process.cfg tokens failed %d\n",
1899                         le32_to_cpu(private->size));
1900                 goto err;
1901         }
1902 
1903         sof_dbg_comp_config(scomp, &process->config);
1904 
1905         /*
1906          * found private data in control, so copy it.
1907          * get possible component controls - get size of all pdata,
1908          * then memcpy with headers
1909          */
1910         if (ipc_data_size) {
1911                 for (i = 0; i < widget->num_kcontrols; i++) {
1912                         memcpy(&process->data + offset,
1913                                wdata[i].pdata->data,
1914                                wdata[i].pdata->size);
1915                         offset += wdata[i].pdata->size;
1916                 }
1917         }
1918 
1919         process->size = ipc_data_size;
1920         swidget->private = process;
1921 
1922         ret = sof_ipc_tx_message(sdev->ipc, process->comp.hdr.cmd, process,
1923                                  ipc_size, r, sizeof(*r));
1924 
1925         if (ret < 0) {
1926                 dev_err(sdev->dev, "error: create process failed\n");
1927                 goto err;
1928         }
1929 
1930         /* we sent the data in single message so return */
1931         if (ipc_data_size)
1932                 goto out;
1933 
1934         /* send control data with large message supported method */
1935         for (i = 0; i < widget->num_kcontrols; i++) {
1936                 wdata[i].control->readback_offset = 0;
1937                 ret = snd_sof_ipc_set_get_comp_data(sdev->ipc, wdata[i].control,
1938                                                     wdata[i].ipc_cmd,
1939                                                     wdata[i].ctrl_type,
1940                                                     wdata[i].control->cmd,
1941                                                     true);
1942                 if (ret != 0) {
1943                         dev_err(sdev->dev, "error: send control failed\n");
1944                         break;
1945                 }
1946         }
1947 
1948 err:
1949         if (ret < 0)
1950                 kfree(process);
1951 out:
1952         kfree(wdata);
1953         return ret;
1954 }
1955 
1956 /*
1957  * Processing Component Topology - can be "effect", "codec", or general
1958  * "processing".
1959  */
1960 
1961 static int sof_widget_load_process(struct snd_soc_component *scomp, int index,
1962                                    struct snd_sof_widget *swidget,
1963                                    struct snd_soc_tplg_dapm_widget *tw,
1964                                    struct sof_ipc_comp_reply *r)
1965 {
1966         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1967         struct snd_soc_tplg_private *private = &tw->priv;
1968         struct sof_ipc_comp_process config;
1969         int ret;
1970 
1971         /* check we have some tokens - we need at least process type */
1972         if (le32_to_cpu(private->size) == 0) {
1973                 dev_err(sdev->dev, "error: process tokens not found\n");
1974                 return -EINVAL;
1975         }
1976 
1977         memset(&config, 0, sizeof(config));
1978 
1979         /* get the process token */
1980         ret = sof_parse_tokens(scomp, &config, process_tokens,
1981                                ARRAY_SIZE(process_tokens), private->array,
1982                                le32_to_cpu(private->size));
1983         if (ret != 0) {
1984                 dev_err(sdev->dev, "error: parse process tokens failed %d\n",
1985                         le32_to_cpu(private->size));
1986                 return ret;
1987         }
1988 
1989         /* now load process specific data and send IPC */
1990         ret = sof_process_load(scomp, index, swidget, tw, r,
1991                                find_process_comp_type(config.type));
1992         if (ret < 0) {
1993                 dev_err(sdev->dev, "error: process loading failed\n");
1994                 return ret;
1995         }
1996 
1997         return 0;
1998 }
1999 
2000 static int sof_widget_bind_event(struct snd_sof_dev *sdev,
2001                                  struct snd_sof_widget *swidget,
2002                                  u16 event_type)
2003 {
2004         struct sof_ipc_comp *ipc_comp;
2005 
2006         /* validate widget event type */
2007         switch (event_type) {
2008         case SOF_KEYWORD_DETECT_DAPM_EVENT:
2009                 /* only KEYWORD_DETECT comps should handle this */
2010                 if (swidget->id != snd_soc_dapm_effect)
2011                         break;
2012 
2013                 ipc_comp = swidget->private;
2014                 if (ipc_comp && ipc_comp->type != SOF_COMP_KEYWORD_DETECT)
2015                         break;
2016 
2017                 /* bind event to keyword detect comp */
2018                 return snd_soc_tplg_widget_bind_event(swidget->widget,
2019                                                       sof_kwd_events,
2020                                                       ARRAY_SIZE(sof_kwd_events),
2021                                                       event_type);
2022         default:
2023                 break;
2024         }
2025 
2026         dev_err(sdev->dev,
2027                 "error: invalid event type %d for widget %s\n",
2028                 event_type, swidget->widget->name);
2029         return -EINVAL;
2030 }
2031 
2032 /* external widget init - used for any driver specific init */
2033 static int sof_widget_ready(struct snd_soc_component *scomp, int index,
2034                             struct snd_soc_dapm_widget *w,
2035                             struct snd_soc_tplg_dapm_widget *tw)
2036 {
2037         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2038         struct snd_sof_widget *swidget;
2039         struct snd_sof_dai *dai;
2040         struct sof_ipc_comp_reply reply;
2041         struct snd_sof_control *scontrol;
2042         int ret = 0;
2043 
2044         swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);
2045         if (!swidget)
2046                 return -ENOMEM;
2047 
2048         swidget->sdev = sdev;
2049         swidget->widget = w;
2050         swidget->comp_id = sdev->next_comp_id++;
2051         swidget->complete = 0;
2052         swidget->id = w->id;
2053         swidget->pipeline_id = index;
2054         swidget->private = NULL;
2055         memset(&reply, 0, sizeof(reply));
2056 
2057         dev_dbg(sdev->dev, "tplg: ready widget id %d pipe %d type %d name : %s stream %s\n",
2058                 swidget->comp_id, index, swidget->id, tw->name,
2059                 strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
2060                         ? tw->sname : "none");
2061 
2062         /* handle any special case widgets */
2063         switch (w->id) {
2064         case snd_soc_dapm_dai_in:
2065         case snd_soc_dapm_dai_out:
2066                 dai = kzalloc(sizeof(*dai), GFP_KERNEL);
2067                 if (!dai) {
2068                         kfree(swidget);
2069                         return -ENOMEM;
2070                 }
2071 
2072                 ret = sof_widget_load_dai(scomp, index, swidget, tw, &reply,
2073                                           dai);
2074                 if (ret == 0) {
2075                         sof_connect_dai_widget(scomp, w, tw, dai);
2076                         list_add(&dai->list, &sdev->dai_list);
2077                         swidget->private = dai;
2078                 } else {
2079                         kfree(dai);
2080                 }
2081                 break;
2082         case snd_soc_dapm_mixer:
2083                 ret = sof_widget_load_mixer(scomp, index, swidget, tw, &reply);
2084                 break;
2085         case snd_soc_dapm_pga:
2086                 ret = sof_widget_load_pga(scomp, index, swidget, tw, &reply);
2087                 /* Find scontrol for this pga and set readback offset*/
2088                 list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
2089                         if (scontrol->comp_id == swidget->comp_id) {
2090                                 scontrol->readback_offset = reply.offset;
2091                                 break;
2092                         }
2093                 }
2094                 break;
2095         case snd_soc_dapm_buffer:
2096                 ret = sof_widget_load_buffer(scomp, index, swidget, tw, &reply);
2097                 break;
2098         case snd_soc_dapm_scheduler:
2099                 ret = sof_widget_load_pipeline(scomp, index, swidget, tw,
2100                                                &reply);
2101                 break;
2102         case snd_soc_dapm_aif_out:
2103                 ret = sof_widget_load_pcm(scomp, index, swidget,
2104                                           SOF_IPC_STREAM_CAPTURE, tw, &reply);
2105                 break;
2106         case snd_soc_dapm_aif_in:
2107                 ret = sof_widget_load_pcm(scomp, index, swidget,
2108                                           SOF_IPC_STREAM_PLAYBACK, tw, &reply);
2109                 break;
2110         case snd_soc_dapm_src:
2111                 ret = sof_widget_load_src(scomp, index, swidget, tw, &reply);
2112                 break;
2113         case snd_soc_dapm_siggen:
2114                 ret = sof_widget_load_siggen(scomp, index, swidget, tw, &reply);
2115                 break;
2116         case snd_soc_dapm_effect:
2117                 ret = sof_widget_load_process(scomp, index, swidget, tw,
2118                                               &reply);
2119                 break;
2120         case snd_soc_dapm_mux:
2121         case snd_soc_dapm_demux:
2122                 ret = sof_widget_load_mux(scomp, index, swidget, tw, &reply);
2123                 break;
2124         case snd_soc_dapm_switch:
2125         case snd_soc_dapm_dai_link:
2126         case snd_soc_dapm_kcontrol:
2127         default:
2128                 dev_warn(sdev->dev, "warning: widget type %d name %s not handled\n",
2129                          swidget->id, tw->name);
2130                 break;
2131         }
2132 
2133         /* check IPC reply */
2134         if (ret < 0 || reply.rhdr.error < 0) {
2135                 dev_err(sdev->dev,
2136                         "error: DSP failed to add widget id %d type %d name : %s stream %s reply %d\n",
2137                         tw->shift, swidget->id, tw->name,
2138                         strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
2139                                 ? tw->sname : "none", reply.rhdr.error);
2140                 kfree(swidget);
2141                 return ret;
2142         }
2143 
2144         /* bind widget to external event */
2145         if (tw->event_type) {
2146                 ret = sof_widget_bind_event(sdev, swidget,
2147                                             le16_to_cpu(tw->event_type));
2148                 if (ret) {
2149                         dev_err(sdev->dev, "error: widget event binding failed\n");
2150                         kfree(swidget->private);
2151                         kfree(swidget);
2152                         return ret;
2153                 }
2154         }
2155 
2156         w->dobj.private = swidget;
2157         list_add(&swidget->list, &sdev->widget_list);
2158         return ret;
2159 }
2160 
2161 static int sof_route_unload(struct snd_soc_component *scomp,
2162                             struct snd_soc_dobj *dobj)
2163 {
2164         struct snd_sof_route *sroute;
2165 
2166         sroute = dobj->private;
2167         if (!sroute)
2168                 return 0;
2169 
2170         /* free sroute and its private data */
2171         kfree(sroute->private);
2172         list_del(&sroute->list);
2173         kfree(sroute);
2174 
2175         return 0;
2176 }
2177 
2178 static int sof_widget_unload(struct snd_soc_component *scomp,
2179                              struct snd_soc_dobj *dobj)
2180 {
2181         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2182         const struct snd_kcontrol_new *kc;
2183         struct snd_soc_dapm_widget *widget;
2184         struct sof_ipc_pipe_new *pipeline;
2185         struct snd_sof_control *scontrol;
2186         struct snd_sof_widget *swidget;
2187         struct soc_mixer_control *sm;
2188         struct soc_bytes_ext *sbe;
2189         struct snd_sof_dai *dai;
2190         struct soc_enum *se;
2191         int ret = 0;
2192         int i;
2193 
2194         swidget = dobj->private;
2195         if (!swidget)
2196                 return 0;
2197 
2198         widget = swidget->widget;
2199 
2200         switch (swidget->id) {
2201         case snd_soc_dapm_dai_in:
2202         case snd_soc_dapm_dai_out:
2203                 dai = swidget->private;
2204 
2205                 if (dai) {
2206                         /* free dai config */
2207                         kfree(dai->dai_config);
2208                         list_del(&dai->list);
2209                 }
2210                 break;
2211         case snd_soc_dapm_scheduler:
2212 
2213                 /* power down the pipeline schedule core */
2214                 pipeline = swidget->private;
2215                 ret = snd_sof_dsp_core_power_down(sdev, 1 << pipeline->core);
2216                 if (ret < 0)
2217                         dev_err(sdev->dev, "error: powering down pipeline schedule core %d\n",
2218                                 pipeline->core);
2219 
2220                 /* update enabled cores mask */
2221                 sdev->enabled_cores_mask &= ~(1 << pipeline->core);
2222 
2223                 break;
2224         default:
2225                 break;
2226         }
2227         for (i = 0; i < widget->num_kcontrols; i++) {
2228                 kc = &widget->kcontrol_news[i];
2229                 switch (dobj->widget.kcontrol_type) {
2230                 case SND_SOC_TPLG_TYPE_MIXER:
2231                         sm = (struct soc_mixer_control *)kc->private_value;
2232                         scontrol = sm->dobj.private;
2233                         if (sm->max > 1)
2234                                 kfree(scontrol->volume_table);
2235                         break;
2236                 case SND_SOC_TPLG_TYPE_ENUM:
2237                         se = (struct soc_enum *)kc->private_value;
2238                         scontrol = se->dobj.private;
2239                         break;
2240                 case SND_SOC_TPLG_TYPE_BYTES:
2241                         sbe = (struct soc_bytes_ext *)kc->private_value;
2242                         scontrol = sbe->dobj.private;
2243                         break;
2244                 default:
2245                         dev_warn(sdev->dev, "unsupported kcontrol_type\n");
2246                         goto out;
2247                 }
2248                 kfree(scontrol->control_data);
2249                 list_del(&scontrol->list);
2250                 kfree(scontrol);
2251         }
2252 
2253 out:
2254         /* free private value */
2255         kfree(swidget->private);
2256 
2257         /* remove and free swidget object */
2258         list_del(&swidget->list);
2259         kfree(swidget);
2260 
2261         return ret;
2262 }
2263 
2264 /*
2265  * DAI HW configuration.
2266  */
2267 
2268 /* FE DAI - used for any driver specific init */
2269 static int sof_dai_load(struct snd_soc_component *scomp, int index,
2270                         struct snd_soc_dai_driver *dai_drv,
2271                         struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
2272 {
2273         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2274         struct snd_soc_tplg_stream_caps *caps;
2275         struct snd_sof_pcm *spcm;
2276         int stream = SNDRV_PCM_STREAM_PLAYBACK;
2277         int ret = 0;
2278 
2279         /* nothing to do for BEs atm */
2280         if (!pcm)
2281                 return 0;
2282 
2283         spcm = kzalloc(sizeof(*spcm), GFP_KERNEL);
2284         if (!spcm)
2285                 return -ENOMEM;
2286 
2287         spcm->sdev = sdev;
2288         spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].comp_id = COMP_ID_UNASSIGNED;
2289         spcm->stream[SNDRV_PCM_STREAM_CAPTURE].comp_id = COMP_ID_UNASSIGNED;
2290 
2291         if (pcm) {
2292                 spcm->pcm = *pcm;
2293                 dev_dbg(sdev->dev, "tplg: load pcm %s\n", pcm->dai_name);
2294         }
2295         dai_drv->dobj.private = spcm;
2296         list_add(&spcm->list, &sdev->pcm_list);
2297 
2298         /* do we need to allocate playback PCM DMA pages */
2299         if (!spcm->pcm.playback)
2300                 goto capture;
2301 
2302         caps = &spcm->pcm.caps[stream];
2303 
2304         /* allocate playback page table buffer */
2305         ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2306                                   PAGE_SIZE, &spcm->stream[stream].page_table);
2307         if (ret < 0) {
2308                 dev_err(sdev->dev, "error: can't alloc page table for %s %d\n",
2309                         caps->name, ret);
2310 
2311                 return ret;
2312         }
2313 
2314         /* bind pcm to host comp */
2315         ret = spcm_bind(sdev, spcm, stream);
2316         if (ret) {
2317                 dev_err(sdev->dev,
2318                         "error: can't bind pcm to host\n");
2319                 goto free_playback_tables;
2320         }
2321 
2322 capture:
2323         stream = SNDRV_PCM_STREAM_CAPTURE;
2324 
2325         /* do we need to allocate capture PCM DMA pages */
2326         if (!spcm->pcm.capture)
2327                 return ret;
2328 
2329         caps = &spcm->pcm.caps[stream];
2330 
2331         /* allocate capture page table buffer */
2332         ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2333                                   PAGE_SIZE, &spcm->stream[stream].page_table);
2334         if (ret < 0) {
2335                 dev_err(sdev->dev, "error: can't alloc page table for %s %d\n",
2336                         caps->name, ret);
2337                 goto free_playback_tables;
2338         }
2339 
2340         /* bind pcm to host comp */
2341         ret = spcm_bind(sdev, spcm, stream);
2342         if (ret) {
2343                 dev_err(sdev->dev,
2344                         "error: can't bind pcm to host\n");
2345                 snd_dma_free_pages(&spcm->stream[stream].page_table);
2346                 goto free_playback_tables;
2347         }
2348 
2349         return ret;
2350 
2351 free_playback_tables:
2352         if (spcm->pcm.playback)
2353                 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2354 
2355         return ret;
2356 }
2357 
2358 static int sof_dai_unload(struct snd_soc_component *scomp,
2359                           struct snd_soc_dobj *dobj)
2360 {
2361         struct snd_sof_pcm *spcm = dobj->private;
2362 
2363         /* free PCM DMA pages */
2364         if (spcm->pcm.playback)
2365                 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2366 
2367         if (spcm->pcm.capture)
2368                 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table);
2369 
2370         /* remove from list and free spcm */
2371         list_del(&spcm->list);
2372         kfree(spcm);
2373 
2374         return 0;
2375 }
2376 
2377 static void sof_dai_set_format(struct snd_soc_tplg_hw_config *hw_config,
2378                                struct sof_ipc_dai_config *config)
2379 {
2380         /* clock directions wrt codec */
2381         if (hw_config->bclk_master == SND_SOC_TPLG_BCLK_CM) {
2382                 /* codec is bclk master */
2383                 if (hw_config->fsync_master == SND_SOC_TPLG_FSYNC_CM)
2384                         config->format |= SOF_DAI_FMT_CBM_CFM;
2385                 else
2386                         config->format |= SOF_DAI_FMT_CBM_CFS;
2387         } else {
2388                 /* codec is bclk slave */
2389                 if (hw_config->fsync_master == SND_SOC_TPLG_FSYNC_CM)
2390                         config->format |= SOF_DAI_FMT_CBS_CFM;
2391                 else
2392                         config->format |= SOF_DAI_FMT_CBS_CFS;
2393         }
2394 
2395         /* inverted clocks ? */
2396         if (hw_config->invert_bclk) {
2397                 if (hw_config->invert_fsync)
2398                         config->format |= SOF_DAI_FMT_IB_IF;
2399                 else
2400                         config->format |= SOF_DAI_FMT_IB_NF;
2401         } else {
2402                 if (hw_config->invert_fsync)
2403                         config->format |= SOF_DAI_FMT_NB_IF;
2404                 else
2405                         config->format |= SOF_DAI_FMT_NB_NF;
2406         }
2407 }
2408 
2409 /* set config for all DAI's with name matching the link name */
2410 static int sof_set_dai_config(struct snd_sof_dev *sdev, u32 size,
2411                               struct snd_soc_dai_link *link,
2412                               struct sof_ipc_dai_config *config)
2413 {
2414         struct snd_sof_dai *dai;
2415         int found = 0;
2416 
2417         list_for_each_entry(dai, &sdev->dai_list, list) {
2418                 if (!dai->name)
2419                         continue;
2420 
2421                 if (strcmp(link->name, dai->name) == 0) {
2422                         dai->dai_config = kmemdup(config, size, GFP_KERNEL);
2423                         if (!dai->dai_config)
2424                                 return -ENOMEM;
2425 
2426                         /* set cpu_dai_name */
2427                         dai->cpu_dai_name = link->cpus->dai_name;
2428 
2429                         found = 1;
2430                 }
2431         }
2432 
2433         /*
2434          * machine driver may define a dai link with playback and capture
2435          * dai enabled, but the dai link in topology would support both, one
2436          * or none of them. Here print a warning message to notify user
2437          */
2438         if (!found) {
2439                 dev_warn(sdev->dev, "warning: failed to find dai for dai link %s",
2440                          link->name);
2441         }
2442 
2443         return 0;
2444 }
2445 
2446 static int sof_link_ssp_load(struct snd_soc_component *scomp, int index,
2447                              struct snd_soc_dai_link *link,
2448                              struct snd_soc_tplg_link_config *cfg,
2449                              struct snd_soc_tplg_hw_config *hw_config,
2450                              struct sof_ipc_dai_config *config)
2451 {
2452         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2453         struct snd_soc_tplg_private *private = &cfg->priv;
2454         struct sof_ipc_reply reply;
2455         u32 size = sizeof(*config);
2456         int ret;
2457 
2458         /* handle master/slave and inverted clocks */
2459         sof_dai_set_format(hw_config, config);
2460 
2461         /* init IPC */
2462         memset(&config->ssp, 0, sizeof(struct sof_ipc_dai_ssp_params));
2463         config->hdr.size = size;
2464 
2465         ret = sof_parse_tokens(scomp, &config->ssp, ssp_tokens,
2466                                ARRAY_SIZE(ssp_tokens), private->array,
2467                                le32_to_cpu(private->size));
2468         if (ret != 0) {
2469                 dev_err(sdev->dev, "error: parse ssp tokens failed %d\n",
2470                         le32_to_cpu(private->size));
2471                 return ret;
2472         }
2473 
2474         config->ssp.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
2475         config->ssp.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
2476         config->ssp.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
2477         config->ssp.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
2478         config->ssp.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
2479         config->ssp.mclk_direction = hw_config->mclk_direction;
2480         config->ssp.rx_slots = le32_to_cpu(hw_config->rx_slots);
2481         config->ssp.tx_slots = le32_to_cpu(hw_config->tx_slots);
2482 
2483         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",
2484                 config->dai_index, config->format,
2485                 config->ssp.mclk_rate, config->ssp.bclk_rate,
2486                 config->ssp.fsync_rate, config->ssp.sample_valid_bits,
2487                 config->ssp.tdm_slot_width, config->ssp.tdm_slots,
2488                 config->ssp.mclk_id, config->ssp.quirks);
2489 
2490         /* validate SSP fsync rate and channel count */
2491         if (config->ssp.fsync_rate < 8000 || config->ssp.fsync_rate > 192000) {
2492                 dev_err(sdev->dev, "error: invalid fsync rate for SSP%d\n",
2493                         config->dai_index);
2494                 return -EINVAL;
2495         }
2496 
2497         if (config->ssp.tdm_slots < 1 || config->ssp.tdm_slots > 8) {
2498                 dev_err(sdev->dev, "error: invalid channel count for SSP%d\n",
2499                         config->dai_index);
2500                 return -EINVAL;
2501         }
2502 
2503         /* send message to DSP */
2504         ret = sof_ipc_tx_message(sdev->ipc,
2505                                  config->hdr.cmd, config, size, &reply,
2506                                  sizeof(reply));
2507 
2508         if (ret < 0) {
2509                 dev_err(sdev->dev, "error: failed to set DAI config for SSP%d\n",
2510                         config->dai_index);
2511                 return ret;
2512         }
2513 
2514         /* set config for all DAI's with name matching the link name */
2515         ret = sof_set_dai_config(sdev, size, link, config);
2516         if (ret < 0)
2517                 dev_err(sdev->dev, "error: failed to save DAI config for SSP%d\n",
2518                         config->dai_index);
2519 
2520         return ret;
2521 }
2522 
2523 static int sof_link_sai_load(struct snd_soc_component *scomp, int index,
2524                              struct snd_soc_dai_link *link,
2525                              struct snd_soc_tplg_link_config *cfg,
2526                              struct snd_soc_tplg_hw_config *hw_config,
2527                              struct sof_ipc_dai_config *config)
2528 {
2529         /*TODO: Add implementation */
2530         return 0;
2531 }
2532 
2533 static int sof_link_esai_load(struct snd_soc_component *scomp, int index,
2534                               struct snd_soc_dai_link *link,
2535                               struct snd_soc_tplg_link_config *cfg,
2536                               struct snd_soc_tplg_hw_config *hw_config,
2537                               struct sof_ipc_dai_config *config)
2538 {
2539         /*TODO: Add implementation */
2540         return 0;
2541 }
2542 
2543 static int sof_link_dmic_load(struct snd_soc_component *scomp, int index,
2544                               struct snd_soc_dai_link *link,
2545                               struct snd_soc_tplg_link_config *cfg,
2546                               struct snd_soc_tplg_hw_config *hw_config,
2547                               struct sof_ipc_dai_config *config)
2548 {
2549         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2550         struct snd_soc_tplg_private *private = &cfg->priv;
2551         struct sof_ipc_dai_config *ipc_config;
2552         struct sof_ipc_reply reply;
2553         struct sof_ipc_fw_ready *ready = &sdev->fw_ready;
2554         struct sof_ipc_fw_version *v = &ready->version;
2555         u32 size;
2556         int ret, j;
2557 
2558         /*
2559          * config is only used for the common params in dmic_params structure
2560          * that does not include the PDM controller config array
2561          * Set the common params to 0.
2562          */
2563         memset(&config->dmic, 0, sizeof(struct sof_ipc_dai_dmic_params));
2564 
2565         /* get DMIC tokens */
2566         ret = sof_parse_tokens(scomp, &config->dmic, dmic_tokens,
2567                                ARRAY_SIZE(dmic_tokens), private->array,
2568                                le32_to_cpu(private->size));
2569         if (ret != 0) {
2570                 dev_err(sdev->dev, "error: parse dmic tokens failed %d\n",
2571                         le32_to_cpu(private->size));
2572                 return ret;
2573         }
2574 
2575         /*
2576          * allocate memory for dmic dai config accounting for the
2577          * variable number of active pdm controllers
2578          * This will be the ipc payload for setting dai config
2579          */
2580         size = sizeof(*config) + sizeof(struct sof_ipc_dai_dmic_pdm_ctrl) *
2581                                         config->dmic.num_pdm_active;
2582 
2583         ipc_config = kzalloc(size, GFP_KERNEL);
2584         if (!ipc_config)
2585                 return -ENOMEM;
2586 
2587         /* copy the common dai config and dmic params */
2588         memcpy(ipc_config, config, sizeof(*config));
2589 
2590         /*
2591          * alloc memory for private member
2592          * Used to track the pdm config array index currently being parsed
2593          */
2594         sdev->private = kzalloc(sizeof(u32), GFP_KERNEL);
2595         if (!sdev->private) {
2596                 kfree(ipc_config);
2597                 return -ENOMEM;
2598         }
2599 
2600         /* get DMIC PDM tokens */
2601         ret = sof_parse_tokens(scomp, &ipc_config->dmic.pdm[0], dmic_pdm_tokens,
2602                                ARRAY_SIZE(dmic_pdm_tokens), private->array,
2603                                le32_to_cpu(private->size));
2604         if (ret != 0) {
2605                 dev_err(sdev->dev, "error: parse dmic pdm tokens failed %d\n",
2606                         le32_to_cpu(private->size));
2607                 goto err;
2608         }
2609 
2610         /* set IPC header size */
2611         ipc_config->hdr.size = size;
2612 
2613         /* debug messages */
2614         dev_dbg(sdev->dev, "tplg: config DMIC%d driver version %d\n",
2615                 ipc_config->dai_index, ipc_config->dmic.driver_ipc_version);
2616         dev_dbg(sdev->dev, "pdmclk_min %d pdm_clkmax %d duty_min %hd\n",
2617                 ipc_config->dmic.pdmclk_min, ipc_config->dmic.pdmclk_max,
2618                 ipc_config->dmic.duty_min);
2619         dev_dbg(sdev->dev, "duty_max %hd fifo_fs %d num_pdms active %d\n",
2620                 ipc_config->dmic.duty_max, ipc_config->dmic.fifo_fs,
2621                 ipc_config->dmic.num_pdm_active);
2622         dev_dbg(sdev->dev, "fifo word length %hd\n",
2623                 ipc_config->dmic.fifo_bits);
2624 
2625         for (j = 0; j < ipc_config->dmic.num_pdm_active; j++) {
2626                 dev_dbg(sdev->dev, "pdm %hd mic a %hd mic b %hd\n",
2627                         ipc_config->dmic.pdm[j].id,
2628                         ipc_config->dmic.pdm[j].enable_mic_a,
2629                         ipc_config->dmic.pdm[j].enable_mic_b);
2630                 dev_dbg(sdev->dev, "pdm %hd polarity a %hd polarity b %hd\n",
2631                         ipc_config->dmic.pdm[j].id,
2632                         ipc_config->dmic.pdm[j].polarity_mic_a,
2633                         ipc_config->dmic.pdm[j].polarity_mic_b);
2634                 dev_dbg(sdev->dev, "pdm %hd clk_edge %hd skew %hd\n",
2635                         ipc_config->dmic.pdm[j].id,
2636                         ipc_config->dmic.pdm[j].clk_edge,
2637                         ipc_config->dmic.pdm[j].skew);
2638         }
2639 
2640         if (SOF_ABI_VER(v->major, v->minor, v->micro) < SOF_ABI_VER(3, 0, 1)) {
2641                 /* this takes care of backwards compatible handling of fifo_bits_b */
2642                 ipc_config->dmic.reserved_2 = ipc_config->dmic.fifo_bits;
2643         }
2644 
2645         /* send message to DSP */
2646         ret = sof_ipc_tx_message(sdev->ipc,
2647                                  ipc_config->hdr.cmd, ipc_config, size, &reply,
2648                                  sizeof(reply));
2649 
2650         if (ret < 0) {
2651                 dev_err(sdev->dev,
2652                         "error: failed to set DAI config for DMIC%d\n",
2653                         config->dai_index);
2654                 goto err;
2655         }
2656 
2657         /* set config for all DAI's with name matching the link name */
2658         ret = sof_set_dai_config(sdev, size, link, ipc_config);
2659         if (ret < 0)
2660                 dev_err(sdev->dev, "error: failed to save DAI config for DMIC%d\n",
2661                         config->dai_index);
2662 
2663 err:
2664         kfree(sdev->private);
2665         kfree(ipc_config);
2666 
2667         return ret;
2668 }
2669 
2670 /*
2671  * for hda link, playback and capture are supported by different dai
2672  * in FW. Here get the dai_index, set dma channel of each dai
2673  * and send config to FW. In FW, each dai sets config by dai_index
2674  */
2675 static int sof_link_hda_process(struct snd_sof_dev *sdev,
2676                                 struct snd_soc_dai_link *link,
2677                                 struct sof_ipc_dai_config *config)
2678 {
2679         struct sof_ipc_reply reply;
2680         u32 size = sizeof(*config);
2681         struct snd_sof_dai *sof_dai;
2682         int found = 0;
2683         int ret;
2684 
2685         list_for_each_entry(sof_dai, &sdev->dai_list, list) {
2686                 if (!sof_dai->name)
2687                         continue;
2688 
2689                 if (strcmp(link->name, sof_dai->name) == 0) {
2690                         config->dai_index = sof_dai->comp_dai.dai_index;
2691                         found = 1;
2692 
2693                         config->hda.link_dma_ch = DMA_CHAN_INVALID;
2694 
2695                         /* save config in dai component */
2696                         sof_dai->dai_config = kmemdup(config, size, GFP_KERNEL);
2697                         if (!sof_dai->dai_config)
2698                                 return -ENOMEM;
2699 
2700                         sof_dai->cpu_dai_name = link->cpus->dai_name;
2701 
2702                         /* send message to DSP */
2703                         ret = sof_ipc_tx_message(sdev->ipc,
2704                                                  config->hdr.cmd, config, size,
2705                                                  &reply, sizeof(reply));
2706 
2707                         if (ret < 0) {
2708                                 dev_err(sdev->dev, "error: failed to set DAI config for direction:%d of HDA dai %d\n",
2709                                         sof_dai->comp_dai.direction,
2710                                         config->dai_index);
2711 
2712                                 return ret;
2713                         }
2714                 }
2715         }
2716 
2717         /*
2718          * machine driver may define a dai link with playback and capture
2719          * dai enabled, but the dai link in topology would support both, one
2720          * or none of them. Here print a warning message to notify user
2721          */
2722         if (!found) {
2723                 dev_warn(sdev->dev, "warning: failed to find dai for dai link %s",
2724                          link->name);
2725         }
2726 
2727         return 0;
2728 }
2729 
2730 static int sof_link_hda_load(struct snd_soc_component *scomp, int index,
2731                              struct snd_soc_dai_link *link,
2732                              struct snd_soc_tplg_link_config *cfg,
2733                              struct snd_soc_tplg_hw_config *hw_config,
2734                              struct sof_ipc_dai_config *config)
2735 {
2736         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2737         struct snd_soc_tplg_private *private = &cfg->priv;
2738         struct snd_soc_dai *dai;
2739         u32 size = sizeof(*config);
2740         int ret;
2741 
2742         /* init IPC */
2743         memset(&config->hda, 0, sizeof(struct sof_ipc_dai_hda_params));
2744         config->hdr.size = size;
2745 
2746         /* get any bespoke DAI tokens */
2747         ret = sof_parse_tokens(scomp, config, hda_tokens,
2748                                ARRAY_SIZE(hda_tokens), private->array,
2749                                le32_to_cpu(private->size));
2750         if (ret != 0) {
2751                 dev_err(sdev->dev, "error: parse hda tokens failed %d\n",
2752                         le32_to_cpu(private->size));
2753                 return ret;
2754         }
2755 
2756         dai = snd_soc_find_dai(link->cpus);
2757         if (!dai) {
2758                 dev_err(sdev->dev, "error: failed to find dai %s in %s",
2759                         link->cpus->dai_name, __func__);
2760                 return -EINVAL;
2761         }
2762 
2763         ret = sof_link_hda_process(sdev, link, config);
2764         if (ret < 0)
2765                 dev_err(sdev->dev, "error: failed to process hda dai link %s",
2766                         link->name);
2767 
2768         return ret;
2769 }
2770 
2771 static int sof_link_alh_load(struct snd_soc_component *scomp, int index,
2772                              struct snd_soc_dai_link *link,
2773                              struct snd_soc_tplg_link_config *cfg,
2774                              struct snd_soc_tplg_hw_config *hw_config,
2775                              struct sof_ipc_dai_config *config)
2776 {
2777         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2778         struct sof_ipc_reply reply;
2779         u32 size = sizeof(*config);
2780         int ret;
2781 
2782         /* init IPC */
2783         config->hdr.size = size;
2784 
2785         /* send message to DSP */
2786         ret = sof_ipc_tx_message(sdev->ipc,
2787                                  config->hdr.cmd, config, size, &reply,
2788                                  sizeof(reply));
2789 
2790         if (ret < 0) {
2791                 dev_err(sdev->dev, "error: failed to set DAI config for ALH %d\n",
2792                         config->dai_index);
2793                 return ret;
2794         }
2795 
2796         /* set config for all DAI's with name matching the link name */
2797         ret = sof_set_dai_config(sdev, size, link, config);
2798         if (ret < 0)
2799                 dev_err(sdev->dev, "error: failed to save DAI config for ALH %d\n",
2800                         config->dai_index);
2801 
2802         return ret;
2803 }
2804 
2805 /* DAI link - used for any driver specific init */
2806 static int sof_link_load(struct snd_soc_component *scomp, int index,
2807                          struct snd_soc_dai_link *link,
2808                          struct snd_soc_tplg_link_config *cfg)
2809 {
2810         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2811         struct snd_soc_tplg_private *private = &cfg->priv;
2812         struct sof_ipc_dai_config config;
2813         struct snd_soc_tplg_hw_config *hw_config;
2814         int num_hw_configs;
2815         int ret;
2816         int i = 0;
2817 
2818         if (!link->platforms) {
2819                 dev_err(sdev->dev, "error: no platforms\n");
2820                 return -EINVAL;
2821         }
2822         link->platforms->name = dev_name(sdev->dev);
2823 
2824         /*
2825          * Set nonatomic property for FE dai links as their trigger action
2826          * involves IPC's.
2827          */
2828         if (!link->no_pcm) {
2829                 link->nonatomic = true;
2830 
2831                 /* set trigger order */
2832                 link->trigger[0] = SND_SOC_DPCM_TRIGGER_POST;
2833                 link->trigger[1] = SND_SOC_DPCM_TRIGGER_POST;
2834 
2835                 /* nothing more to do for FE dai links */
2836                 return 0;
2837         }
2838 
2839         /* check we have some tokens - we need at least DAI type */
2840         if (le32_to_cpu(private->size) == 0) {
2841                 dev_err(sdev->dev, "error: expected tokens for DAI, none found\n");
2842                 return -EINVAL;
2843         }
2844 
2845         /* Send BE DAI link configurations to DSP */
2846         memset(&config, 0, sizeof(config));
2847 
2848         /* get any common DAI tokens */
2849         ret = sof_parse_tokens(scomp, &config, dai_link_tokens,
2850                                ARRAY_SIZE(dai_link_tokens), private->array,
2851                                le32_to_cpu(private->size));
2852         if (ret != 0) {
2853                 dev_err(sdev->dev, "error: parse link tokens failed %d\n",
2854                         le32_to_cpu(private->size));
2855                 return ret;
2856         }
2857 
2858         /*
2859          * DAI links are expected to have at least 1 hw_config.
2860          * But some older topologies might have no hw_config for HDA dai links.
2861          */
2862         num_hw_configs = le32_to_cpu(cfg->num_hw_configs);
2863         if (!num_hw_configs) {
2864                 if (config.type != SOF_DAI_INTEL_HDA) {
2865                         dev_err(sdev->dev, "error: unexpected DAI config count %d!\n",
2866                                 le32_to_cpu(cfg->num_hw_configs));
2867                         return -EINVAL;
2868                 }
2869         } else {
2870                 dev_dbg(sdev->dev, "tplg: %d hw_configs found, default id: %d!\n",
2871                         cfg->num_hw_configs, le32_to_cpu(cfg->default_hw_config_id));
2872 
2873                 for (i = 0; i < num_hw_configs; i++) {
2874                         if (cfg->hw_config[i].id == cfg->default_hw_config_id)
2875                                 break;
2876                 }
2877 
2878                 if (i == num_hw_configs) {
2879                         dev_err(sdev->dev, "error: default hw_config id: %d not found!\n",
2880                                 le32_to_cpu(cfg->default_hw_config_id));
2881                         return -EINVAL;
2882                 }
2883         }
2884 
2885         /* configure dai IPC message */
2886         hw_config = &cfg->hw_config[i];
2887 
2888         config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
2889         config.format = le32_to_cpu(hw_config->fmt);
2890 
2891         /* now load DAI specific data and send IPC - type comes from token */
2892         switch (config.type) {
2893         case SOF_DAI_INTEL_SSP:
2894                 ret = sof_link_ssp_load(scomp, index, link, cfg, hw_config,
2895                                         &config);
2896                 break;
2897         case SOF_DAI_INTEL_DMIC:
2898                 ret = sof_link_dmic_load(scomp, index, link, cfg, hw_config,
2899                                          &config);
2900                 break;
2901         case SOF_DAI_INTEL_HDA:
2902                 ret = sof_link_hda_load(scomp, index, link, cfg, hw_config,
2903                                         &config);
2904                 break;
2905         case SOF_DAI_INTEL_ALH:
2906                 ret = sof_link_alh_load(scomp, index, link, cfg, hw_config,
2907                                         &config);
2908                 break;
2909         case SOF_DAI_IMX_SAI:
2910                 ret = sof_link_sai_load(scomp, index, link, cfg, hw_config,
2911                                         &config);
2912                 break;
2913         case SOF_DAI_IMX_ESAI:
2914                 ret = sof_link_esai_load(scomp, index, link, cfg, hw_config,
2915                                          &config);
2916                 break;
2917         default:
2918                 dev_err(sdev->dev, "error: invalid DAI type %d\n", config.type);
2919                 ret = -EINVAL;
2920                 break;
2921         }
2922         if (ret < 0)
2923                 return ret;
2924 
2925         return 0;
2926 }
2927 
2928 static int sof_link_hda_unload(struct snd_sof_dev *sdev,
2929                                struct snd_soc_dai_link *link)
2930 {
2931         struct snd_soc_dai *dai;
2932         int ret = 0;
2933 
2934         dai = snd_soc_find_dai(link->cpus);
2935         if (!dai) {
2936                 dev_err(sdev->dev, "error: failed to find dai %s in %s",
2937                         link->cpus->dai_name, __func__);
2938                 return -EINVAL;
2939         }
2940 
2941         return ret;
2942 }
2943 
2944 static int sof_link_unload(struct snd_soc_component *scomp,
2945                            struct snd_soc_dobj *dobj)
2946 {
2947         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2948         struct snd_soc_dai_link *link =
2949                 container_of(dobj, struct snd_soc_dai_link, dobj);
2950 
2951         struct snd_sof_dai *sof_dai;
2952         int ret = 0;
2953 
2954         /* only BE link is loaded by sof */
2955         if (!link->no_pcm)
2956                 return 0;
2957 
2958         list_for_each_entry(sof_dai, &sdev->dai_list, list) {
2959                 if (!sof_dai->name)
2960                         continue;
2961 
2962                 if (strcmp(link->name, sof_dai->name) == 0)
2963                         goto found;
2964         }
2965 
2966         dev_err(sdev->dev, "error: failed to find dai %s in %s",
2967                 link->name, __func__);
2968         return -EINVAL;
2969 found:
2970 
2971         switch (sof_dai->dai_config->type) {
2972         case SOF_DAI_INTEL_SSP:
2973         case SOF_DAI_INTEL_DMIC:
2974         case SOF_DAI_INTEL_ALH:
2975                 /* no resource needs to be released for SSP, DMIC and ALH */
2976                 break;
2977         case SOF_DAI_INTEL_HDA:
2978                 ret = sof_link_hda_unload(sdev, link);
2979                 break;
2980         default:
2981                 dev_err(sdev->dev, "error: invalid DAI type %d\n",
2982                         sof_dai->dai_config->type);
2983                 ret = -EINVAL;
2984                 break;
2985         }
2986 
2987         return ret;
2988 }
2989 
2990 /* DAI link - used for any driver specific init */
2991 static int sof_route_load(struct snd_soc_component *scomp, int index,
2992                           struct snd_soc_dapm_route *route)
2993 {
2994         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2995         struct sof_ipc_pipe_comp_connect *connect;
2996         struct snd_sof_widget *source_swidget, *sink_swidget;
2997         struct snd_soc_dobj *dobj = &route->dobj;
2998         struct snd_sof_route *sroute;
2999         struct sof_ipc_reply reply;
3000         int ret = 0;
3001 
3002         /* allocate memory for sroute and connect */
3003         sroute = kzalloc(sizeof(*sroute), GFP_KERNEL);
3004         if (!sroute)
3005                 return -ENOMEM;
3006 
3007         sroute->sdev = sdev;
3008 
3009         connect = kzalloc(sizeof(*connect), GFP_KERNEL);
3010         if (!connect) {
3011                 kfree(sroute);
3012                 return -ENOMEM;
3013         }
3014 
3015         connect->hdr.size = sizeof(*connect);
3016         connect->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_CONNECT;
3017 
3018         dev_dbg(sdev->dev, "sink %s control %s source %s\n",
3019                 route->sink, route->control ? route->control : "none",
3020                 route->source);
3021 
3022         /* source component */
3023         source_swidget = snd_sof_find_swidget(sdev, (char *)route->source);
3024         if (!source_swidget) {
3025                 dev_err(sdev->dev, "error: source %s not found\n",
3026                         route->source);
3027                 ret = -EINVAL;
3028                 goto err;
3029         }
3030 
3031         /*
3032          * Virtual widgets of type output/out_drv may be added in topology
3033          * for compatibility. These are not handled by the FW.
3034          * So, don't send routes whose source/sink widget is of such types
3035          * to the DSP.
3036          */
3037         if (source_swidget->id == snd_soc_dapm_out_drv ||
3038             source_swidget->id == snd_soc_dapm_output)
3039                 goto err;
3040 
3041         connect->source_id = source_swidget->comp_id;
3042 
3043         /* sink component */
3044         sink_swidget = snd_sof_find_swidget(sdev, (char *)route->sink);
3045         if (!sink_swidget) {
3046                 dev_err(sdev->dev, "error: sink %s not found\n",
3047                         route->sink);
3048                 ret = -EINVAL;
3049                 goto err;
3050         }
3051 
3052         /*
3053          * Don't send routes whose sink widget is of type
3054          * output or out_drv to the DSP
3055          */
3056         if (sink_swidget->id == snd_soc_dapm_out_drv ||
3057             sink_swidget->id == snd_soc_dapm_output)
3058                 goto err;
3059 
3060         connect->sink_id = sink_swidget->comp_id;
3061 
3062         /*
3063          * For virtual routes, both sink and source are not
3064          * buffer. Since only buffer linked to component is supported by
3065          * FW, others are reported as error, add check in route function,
3066          * do not send it to FW when both source and sink are not buffer
3067          */
3068         if (source_swidget->id != snd_soc_dapm_buffer &&
3069             sink_swidget->id != snd_soc_dapm_buffer) {
3070                 dev_dbg(sdev->dev, "warning: neither Linked source component %s nor sink component %s is of buffer type, ignoring link\n",
3071                         route->source, route->sink);
3072                 ret = 0;
3073                 goto err;
3074         } else {
3075                 ret = sof_ipc_tx_message(sdev->ipc,
3076                                          connect->hdr.cmd,
3077                                          connect, sizeof(*connect),
3078                                          &reply, sizeof(reply));
3079 
3080                 /* check IPC return value */
3081                 if (ret < 0) {
3082                         dev_err(sdev->dev, "error: failed to add route sink %s control %s source %s\n",
3083                                 route->sink,
3084                                 route->control ? route->control : "none",
3085                                 route->source);
3086                         goto err;
3087                 }
3088 
3089                 /* check IPC reply */
3090                 if (reply.error < 0) {
3091                         dev_err(sdev->dev, "error: DSP failed to add route sink %s control %s source %s result %d\n",
3092                                 route->sink,
3093                                 route->control ? route->control : "none",
3094                                 route->source, reply.error);
3095                         ret = reply.error;
3096                         goto err;
3097                 }
3098 
3099                 sroute->route = route;
3100                 dobj->private = sroute;
3101                 sroute->private = connect;
3102 
3103                 /* add route to route list */
3104                 list_add(&sroute->list, &sdev->route_list);
3105 
3106                 return ret;
3107         }
3108 
3109 err:
3110         kfree(connect);
3111         kfree(sroute);
3112         return ret;
3113 }
3114 
3115 /* Function to set the initial value of SOF kcontrols.
3116  * The value will be stored in scontrol->control_data
3117  */
3118 static int snd_sof_cache_kcontrol_val(struct snd_sof_dev *sdev)
3119 {
3120         struct snd_sof_control *scontrol = NULL;
3121         int ipc_cmd, ctrl_type;
3122         int ret = 0;
3123 
3124         list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
3125 
3126                 /* notify DSP of kcontrol values */
3127                 switch (scontrol->cmd) {
3128                 case SOF_CTRL_CMD_VOLUME:
3129                 case SOF_CTRL_CMD_ENUM:
3130                 case SOF_CTRL_CMD_SWITCH:
3131                         ipc_cmd = SOF_IPC_COMP_GET_VALUE;
3132                         ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_GET;
3133                         break;
3134                 case SOF_CTRL_CMD_BINARY:
3135                         ipc_cmd = SOF_IPC_COMP_GET_DATA;
3136                         ctrl_type = SOF_CTRL_TYPE_DATA_GET;
3137                         break;
3138                 default:
3139                         dev_err(sdev->dev,
3140                                 "error: Invalid scontrol->cmd: %d\n",
3141                                 scontrol->cmd);
3142                         return -EINVAL;
3143                 }
3144                 ret = snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
3145                                                     ipc_cmd, ctrl_type,
3146                                                     scontrol->cmd,
3147                                                     false);
3148                 if (ret < 0) {
3149                         dev_warn(sdev->dev,
3150                                 "error: kcontrol value get for widget: %d\n",
3151                                 scontrol->comp_id);
3152                 }
3153         }
3154 
3155         return ret;
3156 }
3157 
3158 int snd_sof_complete_pipeline(struct snd_sof_dev *sdev,
3159                               struct snd_sof_widget *swidget)
3160 {
3161         struct sof_ipc_pipe_ready ready;
3162         struct sof_ipc_reply reply;
3163         int ret;
3164 
3165         dev_dbg(sdev->dev, "tplg: complete pipeline %s id %d\n",
3166                 swidget->widget->name, swidget->comp_id);
3167 
3168         memset(&ready, 0, sizeof(ready));
3169         ready.hdr.size = sizeof(ready);
3170         ready.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_COMPLETE;
3171         ready.comp_id = swidget->comp_id;
3172 
3173         ret = sof_ipc_tx_message(sdev->ipc,
3174                                  ready.hdr.cmd, &ready, sizeof(ready), &reply,
3175                                  sizeof(reply));
3176         if (ret < 0)
3177                 return ret;
3178         return 1;
3179 }
3180 
3181 /* completion - called at completion of firmware loading */
3182 static void sof_complete(struct snd_soc_component *scomp)
3183 {
3184         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3185         struct snd_sof_widget *swidget;
3186 
3187         /* some widget types require completion notificattion */
3188         list_for_each_entry(swidget, &sdev->widget_list, list) {
3189                 if (swidget->complete)
3190                         continue;
3191 
3192                 switch (swidget->id) {
3193                 case snd_soc_dapm_scheduler:
3194                         swidget->complete =
3195                                 snd_sof_complete_pipeline(sdev, swidget);
3196                         break;
3197                 default:
3198                         break;
3199                 }
3200         }
3201         /*
3202          * cache initial values of SOF kcontrols by reading DSP value over
3203          * IPC. It may be overwritten by alsa-mixer after booting up
3204          */
3205         snd_sof_cache_kcontrol_val(sdev);
3206 }
3207 
3208 /* manifest - optional to inform component of manifest */
3209 static int sof_manifest(struct snd_soc_component *scomp, int index,
3210                         struct snd_soc_tplg_manifest *man)
3211 {
3212         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3213         u32 size;
3214         u32 abi_version;
3215 
3216         size = le32_to_cpu(man->priv.size);
3217 
3218         /* backward compatible with tplg without ABI info */
3219         if (!size) {
3220                 dev_dbg(sdev->dev, "No topology ABI info\n");
3221                 return 0;
3222         }
3223 
3224         if (size != SOF_TPLG_ABI_SIZE) {
3225                 dev_err(sdev->dev, "error: invalid topology ABI size\n");
3226                 return -EINVAL;
3227         }
3228 
3229         dev_info(sdev->dev,
3230                  "Topology: ABI %d:%d:%d Kernel ABI %d:%d:%d\n",
3231                  man->priv.data[0], man->priv.data[1],
3232                  man->priv.data[2], SOF_ABI_MAJOR, SOF_ABI_MINOR,
3233                  SOF_ABI_PATCH);
3234 
3235         abi_version = SOF_ABI_VER(man->priv.data[0],
3236                                   man->priv.data[1],
3237                                   man->priv.data[2]);
3238 
3239         if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, abi_version)) {
3240                 dev_err(sdev->dev, "error: incompatible topology ABI version\n");
3241                 return -EINVAL;
3242         }
3243 
3244         if (abi_version > SOF_ABI_VERSION) {
3245                 if (!IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS)) {
3246                         dev_warn(sdev->dev, "warn: topology ABI is more recent than kernel\n");
3247                 } else {
3248                         dev_err(sdev->dev, "error: topology ABI is more recent than kernel\n");
3249                         return -EINVAL;
3250                 }
3251         }
3252 
3253         return 0;
3254 }
3255 
3256 /* vendor specific kcontrol handlers available for binding */
3257 static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = {
3258         {SOF_TPLG_KCTL_VOL_ID, snd_sof_volume_get, snd_sof_volume_put},
3259         {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_get, snd_sof_bytes_put},
3260         {SOF_TPLG_KCTL_ENUM_ID, snd_sof_enum_get, snd_sof_enum_put},
3261         {SOF_TPLG_KCTL_SWITCH_ID, snd_sof_switch_get, snd_sof_switch_put},
3262 };
3263 
3264 /* vendor specific bytes ext handlers available for binding */
3265 static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = {
3266         {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_ext_get, snd_sof_bytes_ext_put},
3267 };
3268 
3269 static struct snd_soc_tplg_ops sof_tplg_ops = {
3270         /* external kcontrol init - used for any driver specific init */
3271         .control_load   = sof_control_load,
3272         .control_unload = sof_control_unload,
3273 
3274         /* external kcontrol init - used for any driver specific init */
3275         .dapm_route_load        = sof_route_load,
3276         .dapm_route_unload      = sof_route_unload,
3277 
3278         /* external widget init - used for any driver specific init */
3279         /* .widget_load is not currently used */
3280         .widget_ready   = sof_widget_ready,
3281         .widget_unload  = sof_widget_unload,
3282 
3283         /* FE DAI - used for any driver specific init */
3284         .dai_load       = sof_dai_load,
3285         .dai_unload     = sof_dai_unload,
3286 
3287         /* DAI link - used for any driver specific init */
3288         .link_load      = sof_link_load,
3289         .link_unload    = sof_link_unload,
3290 
3291         /* completion - called at completion of firmware loading */
3292         .complete       = sof_complete,
3293 
3294         /* manifest - optional to inform component of manifest */
3295         .manifest       = sof_manifest,
3296 
3297         /* vendor specific kcontrol handlers available for binding */
3298         .io_ops         = sof_io_ops,
3299         .io_ops_count   = ARRAY_SIZE(sof_io_ops),
3300 
3301         /* vendor specific bytes ext handlers available for binding */
3302         .bytes_ext_ops  = sof_bytes_ext_ops,
3303         .bytes_ext_ops_count    = ARRAY_SIZE(sof_bytes_ext_ops),
3304 };
3305 
3306 int snd_sof_init_topology(struct snd_sof_dev *sdev,
3307                           struct snd_soc_tplg_ops *ops)
3308 {
3309         /* TODO: support linked list of topologies */
3310         sdev->tplg_ops = ops;
3311         return 0;
3312 }
3313 EXPORT_SYMBOL(snd_sof_init_topology);
3314 
3315 int snd_sof_load_topology(struct snd_sof_dev *sdev, const char *file)
3316 {
3317         const struct firmware *fw;
3318         int ret;
3319 
3320         dev_dbg(sdev->dev, "loading topology:%s\n", file);
3321 
3322         ret = request_firmware(&fw, file, sdev->dev);
3323         if (ret < 0) {
3324                 dev_err(sdev->dev, "error: tplg request firmware %s failed err: %d\n",
3325                         file, ret);
3326                 return ret;
3327         }
3328 
3329         ret = snd_soc_tplg_component_load(sdev->component,
3330                                           &sof_tplg_ops, fw,
3331                                           SND_SOC_TPLG_INDEX_ALL);
3332         if (ret < 0) {
3333                 dev_err(sdev->dev, "error: tplg component load failed %d\n",
3334                         ret);
3335                 ret = -EINVAL;
3336         }
3337 
3338         release_firmware(fw);
3339         return ret;
3340 }
3341 EXPORT_SYMBOL(snd_sof_load_topology);
/* [<][>][^][v][top][bottom][index][help] */
root/sound/soc/sof/topology.c

DEFINITIONS
