sound/soc/sof/topology.c

   1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
   2 //
   3 // This file is provided under a dual BSD/GPLv2 license.  When using or
   4 // redistributing this file, you may do so under either license.
   5 //
   6 // Copyright(c) 2018 Intel Corporation. All rights reserved.
   7 //
   8 // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
   9 //
  10
  11 #include <linux/firmware.h>
  12 #include <sound/tlv.h>
  13 #include <sound/pcm_params.h>
  14 #include <uapi/sound/sof/tokens.h>
  15 #include "sof-priv.h"
  16 #include "ops.h"
  17
  18 #define COMP_ID_UNASSIGNED              0xffffffff
  19 /*
  20  * Constants used in the computation of linear volume gain
  21  * from dB gain 20th root of 10 in Q1.16 fixed-point notation
  22  */
  23 #define VOL_TWENTIETH_ROOT_OF_TEN       73533
  24 /* 40th root of 10 in Q1.16 fixed-point notation*/
  25 #define VOL_FORTIETH_ROOT_OF_TEN        69419
  26 /*
  27  * Volume fractional word length define to 16 sets
  28  * the volume linear gain value to use Qx.16 format
  29  */
  30 #define VOLUME_FWL      16
  31 /* 0.5 dB step value in topology TLV */
  32 #define VOL_HALF_DB_STEP        50
  33 /* Full volume for default values */
  34 #define VOL_ZERO_DB     BIT(VOLUME_FWL)
  35
  36 /* TLV data items */
  37 #define TLV_ITEMS       3
  38 #define TLV_MIN         0
  39 #define TLV_STEP        1
  40 #define TLV_MUTE        2
  41
  42 /* size of tplg abi in byte */
  43 #define SOF_TPLG_ABI_SIZE 3
  44
  45 /* send pcm params ipc */
  46 static int ipc_pcm_params(struct snd_sof_widget *swidget, int dir)
  47 {
  48         struct sof_ipc_pcm_params_reply ipc_params_reply;
  49         struct snd_sof_dev *sdev = swidget->sdev;
  50         struct sof_ipc_pcm_params pcm;
  51         struct snd_pcm_hw_params *params;
  52         struct snd_sof_pcm *spcm;
  53         int ret = 0;
  54
  55         memset(&pcm, 0, sizeof(pcm));
  56
  57         /* get runtime PCM params using widget's stream name */
  58         spcm = snd_sof_find_spcm_name(sdev, swidget->widget->sname);
  59         if (!spcm) {
  60                 dev_err(sdev->dev, "error: cannot find PCM for %s\n",
  61                         swidget->widget->name);
  62                 return -EINVAL;
  63         }
  64
  65         params = &spcm->params[dir];
  66
  67         /* set IPC PCM params */
  68         pcm.hdr.size = sizeof(pcm);
  69         pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS;
  70         pcm.comp_id = swidget->comp_id;
  71         pcm.params.hdr.size = sizeof(pcm.params);
  72         pcm.params.direction = dir;
  73         pcm.params.sample_valid_bytes = params_width(params) >> 3;
  74         pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED;
  75         pcm.params.rate = params_rate(params);
  76         pcm.params.channels = params_channels(params);
  77         pcm.params.host_period_bytes = params_period_bytes(params);
  78
  79         /* set format */
  80         switch (params_format(params)) {
  81         case SNDRV_PCM_FORMAT_S16:
  82                 pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE;
  83                 break;
  84         case SNDRV_PCM_FORMAT_S24:
  85                 pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE;
  86                 break;
  87         case SNDRV_PCM_FORMAT_S32:
  88                 pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE;
  89                 break;
  90         default:
  91                 return -EINVAL;
  92         }
  93
  94         /* send IPC to the DSP */
  95         ret = sof_ipc_tx_message(sdev->ipc, pcm.hdr.cmd, &pcm, sizeof(pcm),
  96                                  &ipc_params_reply, sizeof(ipc_params_reply));
  97         if (ret < 0)
  98                 dev_err(sdev->dev, "error: pcm params failed for %s\n",
  99                         swidget->widget->name);
 100
 101         return ret;
 102 }
 103
 104  /* send stream trigger ipc */
 105 static int ipc_trigger(struct snd_sof_widget *swidget, int cmd)
 106 {
 107         struct snd_sof_dev *sdev = swidget->sdev;
 108         struct sof_ipc_stream stream;
 109         struct sof_ipc_reply reply;
 110         int ret = 0;
 111
 112         /* set IPC stream params */
 113         stream.hdr.size = sizeof(stream);
 114         stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | cmd;
 115         stream.comp_id = swidget->comp_id;
 116
 117         /* send IPC to the DSP */
 118         ret = sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, &stream,
 119                                  sizeof(stream), &reply, sizeof(reply));
 120         if (ret < 0)
 121                 dev_err(sdev->dev, "error: failed to trigger %s\n",
 122                         swidget->widget->name);
 123
 124         return ret;
 125 }
 126
 127 static int sof_keyword_dapm_event(struct snd_soc_dapm_widget *w,
 128                                   struct snd_kcontrol *k, int event)
 129 {
 130         struct snd_sof_widget *swidget = w->dobj.private;
 131         struct snd_sof_dev *sdev;
 132         int ret = 0;
 133
 134         if (!swidget)
 135                 return 0;
 136
 137         sdev = swidget->sdev;
 138
 139         dev_dbg(sdev->dev, "received event %d for widget %s\n",
 140                 event, w->name);
 141
 142         /* process events */
 143         switch (event) {
 144         case SND_SOC_DAPM_PRE_PMU:
 145                 /* set pcm params */
 146                 ret = ipc_pcm_params(swidget, SOF_IPC_STREAM_CAPTURE);
 147                 if (ret < 0) {
 148                         dev_err(sdev->dev,
 149                                 "error: failed to set pcm params for widget %s\n",
 150                                 swidget->widget->name);
 151                         break;
 152                 }
 153
 154                 /* start trigger */
 155                 ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_START);
 156                 if (ret < 0)
 157                         dev_err(sdev->dev,
 158                                 "error: failed to trigger widget %s\n",
 159                                 swidget->widget->name);
 160                 break;
 161         case SND_SOC_DAPM_POST_PMD:
 162                 /* stop trigger */
 163                 ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_STOP);
 164                 if (ret < 0)
 165                         dev_err(sdev->dev,
 166                                 "error: failed to trigger widget %s\n",
 167                                 swidget->widget->name);
 168
 169                 /* pcm free */
 170                 ret = ipc_trigger(swidget, SOF_IPC_STREAM_PCM_FREE);
 171                 if (ret < 0)
 172                         dev_err(sdev->dev,
 173                                 "error: failed to trigger widget %s\n",
 174                                 swidget->widget->name);
 175                 break;
 176         default:
 177                 break;
 178         }
 179
 180         return ret;
 181 }
 182
 183 /* event handlers for keyword detect component */
 184 static const struct snd_soc_tplg_widget_events sof_kwd_events[] = {
 185         {SOF_KEYWORD_DETECT_DAPM_EVENT, sof_keyword_dapm_event},
 186 };
 187
 188 static inline int get_tlv_data(const int *p, int tlv[TLV_ITEMS])
 189 {
 190         /* we only support dB scale TLV type at the moment */
 191         if ((int)p[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
 192                 return -EINVAL;
 193
 194         /* min value in topology tlv data is multiplied by 100 */
 195         tlv[TLV_MIN] = (int)p[SNDRV_CTL_TLVO_DB_SCALE_MIN] / 100;
 196
 197         /* volume steps */
 198         tlv[TLV_STEP] = (int)(p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
 199                                 TLV_DB_SCALE_MASK);
 200
 201         /* mute ON/OFF */
 202         if ((p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
 203                 TLV_DB_SCALE_MUTE) == 0)
 204                 tlv[TLV_MUTE] = 0;
 205         else
 206                 tlv[TLV_MUTE] = 1;
 207
 208         return 0;
 209 }
 210
 211 /*
 212  * Function to truncate an unsigned 64-bit number
 213  * by x bits and return 32-bit unsigned number. This
 214  * function also takes care of rounding while truncating
 215  */
 216 static inline u32 vol_shift_64(u64 i, u32 x)
 217 {
 218         /* do not truncate more than 32 bits */
 219         if (x > 32)
 220                 x = 32;
 221
 222         if (x == 0)
 223                 return (u32)i;
 224
 225         return (u32)(((i >> (x - 1)) + 1) >> 1);
 226 }
 227
 228 /*
 229  * Function to compute a ^ exp where,
 230  * a is a fractional number represented by a fixed-point
 231  * integer with a fractional world length of "fwl"
 232  * exp is an integer
 233  * fwl is the fractional word length
 234  * Return value is a fractional number represented by a
 235  * fixed-point integer with a fractional word length of "fwl"
 236  */
 237 static u32 vol_pow32(u32 a, int exp, u32 fwl)
 238 {
 239         int i, iter;
 240         u32 power = 1 << fwl;
 241         u64 numerator;
 242
 243         /* if exponent is 0, return 1 */
 244         if (exp == 0)
 245                 return power;
 246
 247         /* determine the number of iterations based on the exponent */
 248         if (exp < 0)
 249                 iter = exp * -1;
 250         else
 251                 iter = exp;
 252
 253         /* mutiply a "iter" times to compute power */
 254         for (i = 0; i < iter; i++) {
 255                 /*
 256                  * Product of 2 Qx.fwl fixed-point numbers yields a Q2*x.2*fwl
 257                  * Truncate product back to fwl fractional bits with rounding
 258                  */
 259                 power = vol_shift_64((u64)power * a, fwl);
 260         }
 261
 262         if (exp > 0) {
 263                 /* if exp is positive, return the result */
 264                 return power;
 265         }
 266
 267         /* if exp is negative, return the multiplicative inverse */
 268         numerator = (u64)1 << (fwl << 1);
 269         do_div(numerator, power);
 270
 271         return (u32)numerator;
 272 }
 273
 274 /*
 275  * Function to calculate volume gain from TLV data.
 276  * This function can only handle gain steps that are multiples of 0.5 dB
 277  */
 278 static u32 vol_compute_gain(u32 value, int *tlv)
 279 {
 280         int dB_gain;
 281         u32 linear_gain;
 282         int f_step;
 283
 284         /* mute volume */
 285         if (value == 0 && tlv[TLV_MUTE])
 286                 return 0;
 287
 288         /*
 289          * compute dB gain from tlv. tlv_step
 290          * in topology is multiplied by 100
 291          */
 292         dB_gain = tlv[TLV_MIN] + (value * tlv[TLV_STEP]) / 100;
 293
 294         /*
 295          * compute linear gain represented by fixed-point
 296          * int with VOLUME_FWL fractional bits
 297          */
 298         linear_gain = vol_pow32(VOL_TWENTIETH_ROOT_OF_TEN, dB_gain, VOLUME_FWL);
 299
 300         /* extract the fractional part of volume step */
 301         f_step = tlv[TLV_STEP] - (tlv[TLV_STEP] / 100);
 302
 303         /* if volume step is an odd multiple of 0.5 dB */
 304         if (f_step == VOL_HALF_DB_STEP && (value & 1))
 305                 linear_gain = vol_shift_64((u64)linear_gain *
 306                                                   VOL_FORTIETH_ROOT_OF_TEN,
 307                                                   VOLUME_FWL);
 308
 309         return linear_gain;
 310 }
 311
 312 /*
 313  * Set up volume table for kcontrols from tlv data
 314  * "size" specifies the number of entries in the table
 315  */
 316 static int set_up_volume_table(struct snd_sof_control *scontrol,
 317                                int tlv[TLV_ITEMS], int size)
 318 {
 319         int j;
 320
 321         /* init the volume table */
 322         scontrol->volume_table = kcalloc(size, sizeof(u32), GFP_KERNEL);
 323         if (!scontrol->volume_table)
 324                 return -ENOMEM;
 325
 326         /* populate the volume table */
 327         for (j = 0; j < size ; j++)
 328                 scontrol->volume_table[j] = vol_compute_gain(j, tlv);
 329
 330         return 0;
 331 }
 332
 333 struct sof_dai_types {
 334         const char *name;
 335         enum sof_ipc_dai_type type;
 336 };
 337
 338 static const struct sof_dai_types sof_dais[] = {
 339         {"SSP", SOF_DAI_INTEL_SSP},
 340         {"HDA", SOF_DAI_INTEL_HDA},
 341         {"DMIC", SOF_DAI_INTEL_DMIC},
 342 };
 343
 344 static enum sof_ipc_dai_type find_dai(const char *name)
 345 {
 346         int i;
 347
 348         for (i = 0; i < ARRAY_SIZE(sof_dais); i++) {
 349                 if (strcmp(name, sof_dais[i].name) == 0)
 350                         return sof_dais[i].type;
 351         }
 352
 353         return SOF_DAI_INTEL_NONE;
 354 }
 355
 356 /*
 357  * Supported Frame format types and lookup, add new ones to end of list.
 358  */
 359
 360 struct sof_frame_types {
 361         const char *name;
 362         enum sof_ipc_frame frame;
 363 };
 364
 365 static const struct sof_frame_types sof_frames[] = {
 366         {"s16le", SOF_IPC_FRAME_S16_LE},
 367         {"s24le", SOF_IPC_FRAME_S24_4LE},
 368         {"s32le", SOF_IPC_FRAME_S32_LE},
 369         {"float", SOF_IPC_FRAME_FLOAT},
 370 };
 371
 372 static enum sof_ipc_frame find_format(const char *name)
 373 {
 374         int i;
 375
 376         for (i = 0; i < ARRAY_SIZE(sof_frames); i++) {
 377                 if (strcmp(name, sof_frames[i].name) == 0)
 378                         return sof_frames[i].frame;
 379         }
 380
 381         /* use s32le if nothing is specified */
 382         return SOF_IPC_FRAME_S32_LE;
 383 }
 384
 385 struct sof_process_types {
 386         const char *name;
 387         enum sof_ipc_process_type type;
 388         enum sof_comp_type comp_type;
 389 };
 390
 391 static const struct sof_process_types sof_process[] = {
 392         {"EQFIR", SOF_PROCESS_EQFIR, SOF_COMP_EQ_FIR},
 393         {"EQIIR", SOF_PROCESS_EQIIR, SOF_COMP_EQ_IIR},
 394         {"KEYWORD_DETECT", SOF_PROCESS_KEYWORD_DETECT, SOF_COMP_KEYWORD_DETECT},
 395         {"KPB", SOF_PROCESS_KPB, SOF_COMP_KPB},
 396         {"CHAN_SELECTOR", SOF_PROCESS_CHAN_SELECTOR, SOF_COMP_SELECTOR},
 397         {"MUX", SOF_PROCESS_MUX, SOF_COMP_MUX},
 398         {"DEMUX", SOF_PROCESS_DEMUX, SOF_COMP_DEMUX},
 399 };
 400
 401 static enum sof_ipc_process_type find_process(const char *name)
 402 {
 403         int i;
 404
 405         for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
 406                 if (strcmp(name, sof_process[i].name) == 0)
 407                         return sof_process[i].type;
 408         }
 409
 410         return SOF_PROCESS_NONE;
 411 }
 412
 413 static enum sof_comp_type find_process_comp_type(enum sof_ipc_process_type type)
 414 {
 415         int i;
 416
 417         for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
 418                 if (sof_process[i].type == type)
 419                         return sof_process[i].comp_type;
 420         }
 421
 422         return SOF_COMP_NONE;
 423 }
 424
 425 /*
 426  * Standard Kcontrols.
 427  */
 428
 429 static int sof_control_load_volume(struct snd_soc_component *scomp,
 430                                    struct snd_sof_control *scontrol,
 431                                    struct snd_kcontrol_new *kc,
 432                                    struct snd_soc_tplg_ctl_hdr *hdr)
 433 {
 434         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 435         struct snd_soc_tplg_mixer_control *mc =
 436                 container_of(hdr, struct snd_soc_tplg_mixer_control, hdr);
 437         struct sof_ipc_ctrl_data *cdata;
 438         int tlv[TLV_ITEMS];
 439         unsigned int i;
 440         int ret;
 441
 442         /* validate topology data */
 443         if (le32_to_cpu(mc->num_channels) > SND_SOC_TPLG_MAX_CHAN)
 444                 return -EINVAL;
 445
 446         /* init the volume get/put data */
 447         scontrol->size = struct_size(scontrol->control_data, chanv,
 448                                      le32_to_cpu(mc->num_channels));
 449         scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
 450         if (!scontrol->control_data)
 451                 return -ENOMEM;
 452
 453         scontrol->comp_id = sdev->next_comp_id;
 454         scontrol->min_volume_step = le32_to_cpu(mc->min);
 455         scontrol->max_volume_step = le32_to_cpu(mc->max);
 456         scontrol->num_channels = le32_to_cpu(mc->num_channels);
 457
 458         /* set cmd for mixer control */
 459         if (le32_to_cpu(mc->max) == 1) {
 460                 scontrol->cmd = SOF_CTRL_CMD_SWITCH;
 461                 goto out;
 462         }
 463
 464         scontrol->cmd = SOF_CTRL_CMD_VOLUME;
 465
 466         /* extract tlv data */
 467         if (get_tlv_data(kc->tlv.p, tlv) < 0) {
 468                 dev_err(sdev->dev, "error: invalid TLV data\n");
 469                 return -EINVAL;
 470         }
 471
 472         /* set up volume table */
 473         ret = set_up_volume_table(scontrol, tlv, le32_to_cpu(mc->max) + 1);
 474         if (ret < 0) {
 475                 dev_err(sdev->dev, "error: setting up volume table\n");
 476                 return ret;
 477         }
 478
 479         /* set default volume values to 0dB in control */
 480         cdata = scontrol->control_data;
 481         for (i = 0; i < scontrol->num_channels; i++) {
 482                 cdata->chanv[i].channel = i;
 483                 cdata->chanv[i].value = VOL_ZERO_DB;
 484         }
 485
 486 out:
 487         dev_dbg(sdev->dev, "tplg: load kcontrol index %d chans %d\n",
 488                 scontrol->comp_id, scontrol->num_channels);
 489
 490         return 0;
 491 }
 492
 493 static int sof_control_load_enum(struct snd_soc_component *scomp,
 494                                  struct snd_sof_control *scontrol,
 495                                  struct snd_kcontrol_new *kc,
 496                                  struct snd_soc_tplg_ctl_hdr *hdr)
 497 {
 498         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 499         struct snd_soc_tplg_enum_control *ec =
 500                 container_of(hdr, struct snd_soc_tplg_enum_control, hdr);
 501
 502         /* validate topology data */
 503         if (le32_to_cpu(ec->num_channels) > SND_SOC_TPLG_MAX_CHAN)
 504                 return -EINVAL;
 505
 506         /* init the enum get/put data */
 507         scontrol->size = struct_size(scontrol->control_data, chanv,
 508                                      le32_to_cpu(ec->num_channels));
 509         scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
 510         if (!scontrol->control_data)
 511                 return -ENOMEM;
 512
 513         scontrol->comp_id = sdev->next_comp_id;
 514         scontrol->num_channels = le32_to_cpu(ec->num_channels);
 515
 516         scontrol->cmd = SOF_CTRL_CMD_ENUM;
 517
 518         dev_dbg(sdev->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n",
 519                 scontrol->comp_id, scontrol->num_channels, scontrol->comp_id);
 520
 521         return 0;
 522 }
 523
 524 static int sof_control_load_bytes(struct snd_soc_component *scomp,
 525                                   struct snd_sof_control *scontrol,
 526                                   struct snd_kcontrol_new *kc,
 527                                   struct snd_soc_tplg_ctl_hdr *hdr)
 528 {
 529         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 530         struct sof_ipc_ctrl_data *cdata;
 531         struct snd_soc_tplg_bytes_control *control =
 532                 container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
 533         struct soc_bytes_ext *sbe = (struct soc_bytes_ext *)kc->private_value;
 534         int max_size = sbe->max;
 535
 536         if (le32_to_cpu(control->priv.size) > max_size) {
 537                 dev_err(sdev->dev, "err: bytes data size %d exceeds max %d.\n",
 538                         control->priv.size, max_size);
 539                 return -EINVAL;
 540         }
 541
 542         /* init the get/put bytes data */
 543         scontrol->size = sizeof(struct sof_ipc_ctrl_data) +
 544                 le32_to_cpu(control->priv.size);
 545         scontrol->control_data = kzalloc(max_size, GFP_KERNEL);
 546         cdata = scontrol->control_data;
 547         if (!scontrol->control_data)
 548                 return -ENOMEM;
 549
 550         scontrol->comp_id = sdev->next_comp_id;
 551         scontrol->cmd = SOF_CTRL_CMD_BINARY;
 552
 553         dev_dbg(sdev->dev, "tplg: load kcontrol index %d chans %d\n",
 554                 scontrol->comp_id, scontrol->num_channels);
 555
 556         if (le32_to_cpu(control->priv.size) > 0) {
 557                 memcpy(cdata->data, control->priv.data,
 558                        le32_to_cpu(control->priv.size));
 559
 560                 if (cdata->data->magic != SOF_ABI_MAGIC) {
 561                         dev_err(sdev->dev, "error: Wrong ABI magic 0x%08x.\n",
 562                                 cdata->data->magic);
 563                         return -EINVAL;
 564                 }
 565                 if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION,
 566                                                  cdata->data->abi)) {
 567                         dev_err(sdev->dev,
 568                                 "error: Incompatible ABI version 0x%08x.\n",
 569                                 cdata->data->abi);
 570                         return -EINVAL;
 571                 }
 572                 if (cdata->data->size + sizeof(const struct sof_abi_hdr) !=
 573                     le32_to_cpu(control->priv.size)) {
 574                         dev_err(sdev->dev,
 575                                 "error: Conflict in bytes vs. priv size.\n");
 576                         return -EINVAL;
 577                 }
 578         }
 579         return 0;
 580 }
 581
 582 /*
 583  * Topology Token Parsing.
 584  * New tokens should be added to headers and parsing tables below.
 585  */
 586
 587 struct sof_topology_token {
 588         u32 token;
 589         u32 type;
 590         int (*get_token)(void *elem, void *object, u32 offset, u32 size);
 591         u32 offset;
 592         u32 size;
 593 };
 594
 595 static int get_token_u32(void *elem, void *object, u32 offset, u32 size)
 596 {
 597         struct snd_soc_tplg_vendor_value_elem *velem = elem;
 598         u32 *val = (u32 *)((u8 *)object + offset);
 599
 600         *val = le32_to_cpu(velem->value);
 601         return 0;
 602 }
 603
 604 static int get_token_u16(void *elem, void *object, u32 offset, u32 size)
 605 {
 606         struct snd_soc_tplg_vendor_value_elem *velem = elem;
 607         u16 *val = (u16 *)((u8 *)object + offset);
 608
 609         *val = (u16)le32_to_cpu(velem->value);
 610         return 0;
 611 }
 612
 613 static int get_token_comp_format(void *elem, void *object, u32 offset, u32 size)
 614 {
 615         struct snd_soc_tplg_vendor_string_elem *velem = elem;
 616         u32 *val = (u32 *)((u8 *)object + offset);
 617
 618         *val = find_format(velem->string);
 619         return 0;
 620 }
 621
 622 static int get_token_dai_type(void *elem, void *object, u32 offset, u32 size)
 623 {
 624         struct snd_soc_tplg_vendor_string_elem *velem = elem;
 625         u32 *val = (u32 *)((u8 *)object + offset);
 626
 627         *val = find_dai(velem->string);
 628         return 0;
 629 }
 630
 631 static int get_token_process_type(void *elem, void *object, u32 offset,
 632                                   u32 size)
 633 {
 634         struct snd_soc_tplg_vendor_string_elem *velem = elem;
 635         u32 *val = (u32 *)((u8 *)object + offset);
 636
 637         *val = find_process(velem->string);
 638         return 0;
 639 }
 640
 641 /* Buffers */
 642 static const struct sof_topology_token buffer_tokens[] = {
 643         {SOF_TKN_BUF_SIZE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 644                 offsetof(struct sof_ipc_buffer, size), 0},
 645         {SOF_TKN_BUF_CAPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 646                 offsetof(struct sof_ipc_buffer, caps), 0},
 647 };
 648
 649 /* DAI */
 650 static const struct sof_topology_token dai_tokens[] = {
 651         {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
 652                 offsetof(struct sof_ipc_comp_dai, type), 0},
 653         {SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 654                 offsetof(struct sof_ipc_comp_dai, dai_index), 0},
 655         {SOF_TKN_DAI_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 656                 offsetof(struct sof_ipc_comp_dai, direction), 0},
 657 };
 658
 659 /* BE DAI link */
 660 static const struct sof_topology_token dai_link_tokens[] = {
 661         {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
 662                 offsetof(struct sof_ipc_dai_config, type), 0},
 663         {SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 664                 offsetof(struct sof_ipc_dai_config, dai_index), 0},
 665 };
 666
 667 /* scheduling */
 668 static const struct sof_topology_token sched_tokens[] = {
 669         {SOF_TKN_SCHED_PERIOD, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 670                 offsetof(struct sof_ipc_pipe_new, period), 0},
 671         {SOF_TKN_SCHED_PRIORITY, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 672                 offsetof(struct sof_ipc_pipe_new, priority), 0},
 673         {SOF_TKN_SCHED_MIPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 674                 offsetof(struct sof_ipc_pipe_new, period_mips), 0},
 675         {SOF_TKN_SCHED_CORE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 676                 offsetof(struct sof_ipc_pipe_new, core), 0},
 677         {SOF_TKN_SCHED_FRAMES, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 678                 offsetof(struct sof_ipc_pipe_new, frames_per_sched), 0},
 679         {SOF_TKN_SCHED_TIME_DOMAIN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 680                 offsetof(struct sof_ipc_pipe_new, time_domain), 0},
 681 };
 682
 683 /* volume */
 684 static const struct sof_topology_token volume_tokens[] = {
 685         {SOF_TKN_VOLUME_RAMP_STEP_TYPE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
 686                 get_token_u32, offsetof(struct sof_ipc_comp_volume, ramp), 0},
 687         {SOF_TKN_VOLUME_RAMP_STEP_MS,
 688                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 689                 offsetof(struct sof_ipc_comp_volume, initial_ramp), 0},
 690 };
 691
 692 /* SRC */
 693 static const struct sof_topology_token src_tokens[] = {
 694         {SOF_TKN_SRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 695                 offsetof(struct sof_ipc_comp_src, source_rate), 0},
 696         {SOF_TKN_SRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 697                 offsetof(struct sof_ipc_comp_src, sink_rate), 0},
 698 };
 699
 700 /* Tone */
 701 static const struct sof_topology_token tone_tokens[] = {
 702 };
 703
 704 /* EFFECT */
 705 static const struct sof_topology_token process_tokens[] = {
 706         {SOF_TKN_PROCESS_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING,
 707                 get_token_process_type,
 708                 offsetof(struct sof_ipc_comp_process, type), 0},
 709 };
 710
 711 /* PCM */
 712 static const struct sof_topology_token pcm_tokens[] = {
 713         {SOF_TKN_PCM_DMAC_CONFIG, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 714                 offsetof(struct sof_ipc_comp_host, dmac_config), 0},
 715 };
 716
 717 /* Generic components */
 718 static const struct sof_topology_token comp_tokens[] = {
 719         {SOF_TKN_COMP_PERIOD_SINK_COUNT,
 720                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 721                 offsetof(struct sof_ipc_comp_config, periods_sink), 0},
 722         {SOF_TKN_COMP_PERIOD_SOURCE_COUNT,
 723                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 724                 offsetof(struct sof_ipc_comp_config, periods_source), 0},
 725         {SOF_TKN_COMP_FORMAT,
 726                 SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_comp_format,
 727                 offsetof(struct sof_ipc_comp_config, frame_fmt), 0},
 728 };
 729
 730 /* SSP */
 731 static const struct sof_topology_token ssp_tokens[] = {
 732         {SOF_TKN_INTEL_SSP_CLKS_CONTROL,
 733                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 734                 offsetof(struct sof_ipc_dai_ssp_params, clks_control), 0},
 735         {SOF_TKN_INTEL_SSP_MCLK_ID,
 736                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 737                 offsetof(struct sof_ipc_dai_ssp_params, mclk_id), 0},
 738         {SOF_TKN_INTEL_SSP_SAMPLE_BITS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
 739                 get_token_u32,
 740                 offsetof(struct sof_ipc_dai_ssp_params, sample_valid_bits), 0},
 741         {SOF_TKN_INTEL_SSP_FRAME_PULSE_WIDTH, SND_SOC_TPLG_TUPLE_TYPE_SHORT,
 742                 get_token_u16,
 743                 offsetof(struct sof_ipc_dai_ssp_params, frame_pulse_width), 0},
 744         {SOF_TKN_INTEL_SSP_QUIRKS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
 745                 get_token_u32,
 746                 offsetof(struct sof_ipc_dai_ssp_params, quirks), 0},
 747         {SOF_TKN_INTEL_SSP_TDM_PADDING_PER_SLOT, SND_SOC_TPLG_TUPLE_TYPE_BOOL,
 748                 get_token_u16,
 749                 offsetof(struct sof_ipc_dai_ssp_params,
 750                          tdm_per_slot_padding_flag), 0},
 751
 752 };
 753
 754 /* DMIC */
 755 static const struct sof_topology_token dmic_tokens[] = {
 756         {SOF_TKN_INTEL_DMIC_DRIVER_VERSION,
 757                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 758                 offsetof(struct sof_ipc_dai_dmic_params, driver_ipc_version),
 759                 0},
 760         {SOF_TKN_INTEL_DMIC_CLK_MIN,
 761                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 762                 offsetof(struct sof_ipc_dai_dmic_params, pdmclk_min), 0},
 763         {SOF_TKN_INTEL_DMIC_CLK_MAX,
 764                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 765                 offsetof(struct sof_ipc_dai_dmic_params, pdmclk_max), 0},
 766         {SOF_TKN_INTEL_DMIC_SAMPLE_RATE,
 767                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 768                 offsetof(struct sof_ipc_dai_dmic_params, fifo_fs), 0},
 769         {SOF_TKN_INTEL_DMIC_DUTY_MIN,
 770                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 771                 offsetof(struct sof_ipc_dai_dmic_params, duty_min), 0},
 772         {SOF_TKN_INTEL_DMIC_DUTY_MAX,
 773                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 774                 offsetof(struct sof_ipc_dai_dmic_params, duty_max), 0},
 775         {SOF_TKN_INTEL_DMIC_NUM_PDM_ACTIVE,
 776                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 777                 offsetof(struct sof_ipc_dai_dmic_params,
 778                          num_pdm_active), 0},
 779         {SOF_TKN_INTEL_DMIC_FIFO_WORD_LENGTH,
 780                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 781                 offsetof(struct sof_ipc_dai_dmic_params, fifo_bits), 0},
 782         {SOF_TKN_INTEL_DMIC_UNMUTE_RAMP_TIME_MS,
 783                 SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
 784                 offsetof(struct sof_ipc_dai_dmic_params, unmute_ramp_time), 0},
 785
 786 };
 787
 788 /*
 789  * DMIC PDM Tokens
 790  * SOF_TKN_INTEL_DMIC_PDM_CTRL_ID should be the first token
 791  * as it increments the index while parsing the array of pdm tokens
 792  * and determines the correct offset
 793  */
 794 static const struct sof_topology_token dmic_pdm_tokens[] = {
 795         {SOF_TKN_INTEL_DMIC_PDM_CTRL_ID,
 796                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 797                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, id),
 798                 0},
 799         {SOF_TKN_INTEL_DMIC_PDM_MIC_A_Enable,
 800                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 801                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_a),
 802                 0},
 803         {SOF_TKN_INTEL_DMIC_PDM_MIC_B_Enable,
 804                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 805                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_b),
 806                 0},
 807         {SOF_TKN_INTEL_DMIC_PDM_POLARITY_A,
 808                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 809                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_a),
 810                 0},
 811         {SOF_TKN_INTEL_DMIC_PDM_POLARITY_B,
 812                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 813                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_b),
 814                 0},
 815         {SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE,
 816                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 817                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, clk_edge),
 818                 0},
 819         {SOF_TKN_INTEL_DMIC_PDM_SKEW,
 820                 SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
 821                 offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, skew),
 822                 0},
 823 };
 824
 825 /* HDA */
 826 static const struct sof_topology_token hda_tokens[] = {
 827 };
 828
 829 static void sof_parse_uuid_tokens(struct snd_soc_component *scomp,
 830                                   void *object,
 831                                   const struct sof_topology_token *tokens,
 832                                   int count,
 833                                   struct snd_soc_tplg_vendor_array *array)
 834 {
 835         struct snd_soc_tplg_vendor_uuid_elem *elem;
 836         int i, j;
 837
 838         /* parse element by element */
 839         for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
 840                 elem = &array->uuid[i];
 841
 842                 /* search for token */
 843                 for (j = 0; j < count; j++) {
 844                         /* match token type */
 845                         if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_UUID)
 846                                 continue;
 847
 848                         /* match token id */
 849                         if (tokens[j].token != le32_to_cpu(elem->token))
 850                                 continue;
 851
 852                         /* matched - now load token */
 853                         tokens[j].get_token(elem, object, tokens[j].offset,
 854                                             tokens[j].size);
 855                 }
 856         }
 857 }
 858
 859 static void sof_parse_string_tokens(struct snd_soc_component *scomp,
 860                                     void *object,
 861                                     const struct sof_topology_token *tokens,
 862                                     int count,
 863                                     struct snd_soc_tplg_vendor_array *array)
 864 {
 865         struct snd_soc_tplg_vendor_string_elem *elem;
 866         int i, j;
 867
 868         /* parse element by element */
 869         for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
 870                 elem = &array->string[i];
 871
 872                 /* search for token */
 873                 for (j = 0; j < count; j++) {
 874                         /* match token type */
 875                         if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_STRING)
 876                                 continue;
 877
 878                         /* match token id */
 879                         if (tokens[j].token != le32_to_cpu(elem->token))
 880                                 continue;
 881
 882                         /* matched - now load token */
 883                         tokens[j].get_token(elem, object, tokens[j].offset,
 884                                             tokens[j].size);
 885                 }
 886         }
 887 }
 888
 889 static void sof_parse_word_tokens(struct snd_soc_component *scomp,
 890                                   void *object,
 891                                   const struct sof_topology_token *tokens,
 892                                   int count,
 893                                   struct snd_soc_tplg_vendor_array *array)
 894 {
 895         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 896         struct snd_soc_tplg_vendor_value_elem *elem;
 897         size_t size = sizeof(struct sof_ipc_dai_dmic_pdm_ctrl);
 898         int i, j;
 899         u32 offset;
 900         u32 *index = NULL;
 901
 902         /* parse element by element */
 903         for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
 904                 elem = &array->value[i];
 905
 906                 /* search for token */
 907                 for (j = 0; j < count; j++) {
 908                         /* match token type */
 909                         if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD ||
 910                               tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT))
 911                                 continue;
 912
 913                         /* match token id */
 914                         if (tokens[j].token != le32_to_cpu(elem->token))
 915                                 continue;
 916
 917                         /* pdm config array index */
 918                         if (sdev->private)
 919                                 index = sdev->private;
 920
 921                         /* matched - determine offset */
 922                         switch (tokens[j].token) {
 923                         case SOF_TKN_INTEL_DMIC_PDM_CTRL_ID:
 924
 925                                 /* inc number of pdm array index */
 926                                 if (index)
 927                                         (*index)++;
 928                                 /* fallthrough */
 929                         case SOF_TKN_INTEL_DMIC_PDM_MIC_A_Enable:
 930                         case SOF_TKN_INTEL_DMIC_PDM_MIC_B_Enable:
 931                         case SOF_TKN_INTEL_DMIC_PDM_POLARITY_A:
 932                         case SOF_TKN_INTEL_DMIC_PDM_POLARITY_B:
 933                         case SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE:
 934                         case SOF_TKN_INTEL_DMIC_PDM_SKEW:
 935
 936                                 /* check if array index is valid */
 937                                 if (!index || *index == 0) {
 938                                         dev_err(sdev->dev,
 939                                                 "error: invalid array offset\n");
 940                                         continue;
 941                                 } else {
 942                                         /* offset within the pdm config array */
 943                                         offset = size * (*index - 1);
 944                                 }
 945                                 break;
 946                         default:
 947                                 offset = 0;
 948                                 break;
 949                         }
 950
 951                         /* load token */
 952                         tokens[j].get_token(elem, object,
 953                                             offset + tokens[j].offset,
 954                                             tokens[j].size);
 955                 }
 956         }
 957 }
 958
 959 static int sof_parse_tokens(struct snd_soc_component *scomp,
 960                             void *object,
 961                             const struct sof_topology_token *tokens,
 962                             int count,
 963                             struct snd_soc_tplg_vendor_array *array,
 964                             int priv_size)
 965 {
 966         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 967         int asize;
 968
 969         while (priv_size > 0) {
 970                 asize = le32_to_cpu(array->size);
 971
 972                 /* validate asize */
 973                 if (asize < 0) { /* FIXME: A zero-size array makes no sense */
 974                         dev_err(sdev->dev, "error: invalid array size 0x%x\n",
 975                                 asize);
 976                         return -EINVAL;
 977                 }
 978
 979                 /* make sure there is enough data before parsing */
 980                 priv_size -= asize;
 981                 if (priv_size < 0) {
 982                         dev_err(sdev->dev, "error: invalid array size 0x%x\n",
 983                                 asize);
 984                         return -EINVAL;
 985                 }
 986
 987                 /* call correct parser depending on type */
 988                 switch (le32_to_cpu(array->type)) {
 989                 case SND_SOC_TPLG_TUPLE_TYPE_UUID:
 990                         sof_parse_uuid_tokens(scomp, object, tokens, count,
 991                                               array);
 992                         break;
 993                 case SND_SOC_TPLG_TUPLE_TYPE_STRING:
 994                         sof_parse_string_tokens(scomp, object, tokens, count,
 995                                                 array);
 996                         break;
 997                 case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
 998                 case SND_SOC_TPLG_TUPLE_TYPE_BYTE:
 999                 case SND_SOC_TPLG_TUPLE_TYPE_WORD:
1000                 case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
1001                         sof_parse_word_tokens(scomp, object, tokens, count,
1002                                               array);
1003                         break;
1004                 default:
1005                         dev_err(sdev->dev, "error: unknown token type %d\n",
1006                                 array->type);
1007                         return -EINVAL;
1008                 }
1009
1010                 /* next array */
1011                 array = (struct snd_soc_tplg_vendor_array *)((u8 *)array
1012                         + asize);
1013         }
1014         return 0;
1015 }
1016
1017 static void sof_dbg_comp_config(struct snd_soc_component *scomp,
1018                                 struct sof_ipc_comp_config *config)
1019 {
1020         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1021
1022         dev_dbg(sdev->dev, " config: periods snk %d src %d fmt %d\n",
1023                 config->periods_sink, config->periods_source,
1024                 config->frame_fmt);
1025 }
1026
1027 /* external kcontrol init - used for any driver specific init */
1028 static int sof_control_load(struct snd_soc_component *scomp, int index,
1029                             struct snd_kcontrol_new *kc,
1030                             struct snd_soc_tplg_ctl_hdr *hdr)
1031 {
1032         struct soc_mixer_control *sm;
1033         struct soc_bytes_ext *sbe;
1034         struct soc_enum *se;
1035         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1036         struct snd_soc_dobj *dobj;
1037         struct snd_sof_control *scontrol;
1038         int ret = -EINVAL;
1039
1040         dev_dbg(sdev->dev, "tplg: load control type %d name : %s\n",
1041                 hdr->type, hdr->name);
1042
1043         scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL);
1044         if (!scontrol)
1045                 return -ENOMEM;
1046
1047         scontrol->sdev = sdev;
1048
1049         switch (le32_to_cpu(hdr->ops.info)) {
1050         case SND_SOC_TPLG_CTL_VOLSW:
1051         case SND_SOC_TPLG_CTL_VOLSW_SX:
1052         case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1053                 sm = (struct soc_mixer_control *)kc->private_value;
1054                 dobj = &sm->dobj;
1055                 ret = sof_control_load_volume(scomp, scontrol, kc, hdr);
1056                 break;
1057         case SND_SOC_TPLG_CTL_BYTES:
1058                 sbe = (struct soc_bytes_ext *)kc->private_value;
1059                 dobj = &sbe->dobj;
1060                 ret = sof_control_load_bytes(scomp, scontrol, kc, hdr);
1061                 break;
1062         case SND_SOC_TPLG_CTL_ENUM:
1063         case SND_SOC_TPLG_CTL_ENUM_VALUE:
1064                 se = (struct soc_enum *)kc->private_value;
1065                 dobj = &se->dobj;
1066                 ret = sof_control_load_enum(scomp, scontrol, kc, hdr);
1067                 break;
1068         case SND_SOC_TPLG_CTL_RANGE:
1069         case SND_SOC_TPLG_CTL_STROBE:
1070         case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1071         case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1072         case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1073         case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1074         case SND_SOC_TPLG_DAPM_CTL_PIN:
1075         default:
1076                 dev_warn(sdev->dev, "control type not supported %d:%d:%d\n",
1077                          hdr->ops.get, hdr->ops.put, hdr->ops.info);
1078                 kfree(scontrol);
1079                 return 0;
1080         }
1081
1082         dobj->private = scontrol;
1083         list_add(&scontrol->list, &sdev->kcontrol_list);
1084         return ret;
1085 }
1086
1087 static int sof_control_unload(struct snd_soc_component *scomp,
1088                               struct snd_soc_dobj *dobj)
1089 {
1090         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1091         struct sof_ipc_free fcomp;
1092         struct snd_sof_control *scontrol = dobj->private;
1093
1094         dev_dbg(sdev->dev, "tplg: unload control name : %s\n", scomp->name);
1095
1096         fcomp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_FREE;
1097         fcomp.hdr.size = sizeof(fcomp);
1098         fcomp.id = scontrol->comp_id;
1099
1100         kfree(scontrol->control_data);
1101         list_del(&scontrol->list);
1102         kfree(scontrol);
1103         /* send IPC to the DSP */
1104         return sof_ipc_tx_message(sdev->ipc,
1105                                   fcomp.hdr.cmd, &fcomp, sizeof(fcomp),
1106                                   NULL, 0);
1107 }
1108
1109 /*
1110  * DAI Topology
1111  */
1112
1113 static int sof_connect_dai_widget(struct snd_soc_component *scomp,
1114                                   struct snd_soc_dapm_widget *w,
1115                                   struct snd_soc_tplg_dapm_widget *tw,
1116                                   struct snd_sof_dai *dai)
1117 {
1118         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1119         struct snd_soc_card *card = scomp->card;
1120         struct snd_soc_pcm_runtime *rtd;
1121
1122         list_for_each_entry(rtd, &card->rtd_list, list) {
1123                 dev_vdbg(sdev->dev, "tplg: check widget: %s stream: %s dai stream: %s\n",
1124                          w->name,  w->sname, rtd->dai_link->stream_name);
1125
1126                 if (!w->sname || !rtd->dai_link->stream_name)
1127                         continue;
1128
1129                 /* does stream match DAI link ? */
1130                 if (strcmp(w->sname, rtd->dai_link->stream_name))
1131                         continue;
1132
1133                 switch (w->id) {
1134                 case snd_soc_dapm_dai_out:
1135                         rtd->cpu_dai->capture_widget = w;
1136                         dai->name = rtd->dai_link->name;
1137                         dev_dbg(sdev->dev, "tplg: connected widget %s -> DAI link %s\n",
1138                                 w->name, rtd->dai_link->name);
1139                         break;
1140                 case snd_soc_dapm_dai_in:
1141                         rtd->cpu_dai->playback_widget = w;
1142                         dai->name = rtd->dai_link->name;
1143                         dev_dbg(sdev->dev, "tplg: connected widget %s -> DAI link %s\n",
1144                                 w->name, rtd->dai_link->name);
1145                         break;
1146                 default:
1147                         break;
1148                 }
1149         }
1150
1151         /* check we have a connection */
1152         if (!dai->name) {
1153                 dev_err(sdev->dev, "error: can't connect DAI %s stream %s\n",
1154                         w->name, w->sname);
1155                 return -EINVAL;
1156         }
1157
1158         return 0;
1159 }
1160
1161 static int sof_widget_load_dai(struct snd_soc_component *scomp, int index,
1162                                struct snd_sof_widget *swidget,
1163                                struct snd_soc_tplg_dapm_widget *tw,
1164                                struct sof_ipc_comp_reply *r,
1165                                struct snd_sof_dai *dai)
1166 {
1167         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1168         struct snd_soc_tplg_private *private = &tw->priv;
1169         struct sof_ipc_comp_dai comp_dai;
1170         int ret;
1171
1172         /* configure dai IPC message */
1173         memset(&comp_dai, 0, sizeof(comp_dai));
1174         comp_dai.comp.hdr.size = sizeof(comp_dai);
1175         comp_dai.comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1176         comp_dai.comp.id = swidget->comp_id;
1177         comp_dai.comp.type = SOF_COMP_DAI;
1178         comp_dai.comp.pipeline_id = index;
1179         comp_dai.config.hdr.size = sizeof(comp_dai.config);
1180
1181         ret = sof_parse_tokens(scomp, &comp_dai, dai_tokens,
1182                                ARRAY_SIZE(dai_tokens), private->array,
1183                                le32_to_cpu(private->size));
1184         if (ret != 0) {
1185                 dev_err(sdev->dev, "error: parse dai tokens failed %d\n",
1186                         le32_to_cpu(private->size));
1187                 return ret;
1188         }
1189
1190         ret = sof_parse_tokens(scomp, &comp_dai.config, comp_tokens,
1191                                ARRAY_SIZE(comp_tokens), private->array,
1192                                le32_to_cpu(private->size));
1193         if (ret != 0) {
1194                 dev_err(sdev->dev, "error: parse dai.cfg tokens failed %d\n",
1195                         private->size);
1196                 return ret;
1197         }
1198
1199         dev_dbg(sdev->dev, "dai %s: type %d index %d\n",
1200                 swidget->widget->name, comp_dai.type, comp_dai.dai_index);
1201         sof_dbg_comp_config(scomp, &comp_dai.config);
1202
1203         ret = sof_ipc_tx_message(sdev->ipc, comp_dai.comp.hdr.cmd,
1204                                  &comp_dai, sizeof(comp_dai), r, sizeof(*r));
1205
1206         if (ret == 0 && dai) {
1207                 dai->sdev = sdev;
1208                 memcpy(&dai->comp_dai, &comp_dai, sizeof(comp_dai));
1209         }
1210
1211         return ret;
1212 }
1213
1214 /*
1215  * Buffer topology
1216  */
1217
1218 static int sof_widget_load_buffer(struct snd_soc_component *scomp, int index,
1219                                   struct snd_sof_widget *swidget,
1220                                   struct snd_soc_tplg_dapm_widget *tw,
1221                                   struct sof_ipc_comp_reply *r)
1222 {
1223         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1224         struct snd_soc_tplg_private *private = &tw->priv;
1225         struct sof_ipc_buffer *buffer;
1226         int ret;
1227
1228         buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
1229         if (!buffer)
1230                 return -ENOMEM;
1231
1232         /* configure dai IPC message */
1233         buffer->comp.hdr.size = sizeof(*buffer);
1234         buffer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_BUFFER_NEW;
1235         buffer->comp.id = swidget->comp_id;
1236         buffer->comp.type = SOF_COMP_BUFFER;
1237         buffer->comp.pipeline_id = index;
1238
1239         ret = sof_parse_tokens(scomp, buffer, buffer_tokens,
1240                                ARRAY_SIZE(buffer_tokens), private->array,
1241                                le32_to_cpu(private->size));
1242         if (ret != 0) {
1243                 dev_err(sdev->dev, "error: parse buffer tokens failed %d\n",
1244                         private->size);
1245                 kfree(buffer);
1246                 return ret;
1247         }
1248
1249         dev_dbg(sdev->dev, "buffer %s: size %d caps 0x%x\n",
1250                 swidget->widget->name, buffer->size, buffer->caps);
1251
1252         swidget->private = buffer;
1253
1254         ret = sof_ipc_tx_message(sdev->ipc, buffer->comp.hdr.cmd, buffer,
1255                                  sizeof(*buffer), r, sizeof(*r));
1256         if (ret < 0) {
1257                 dev_err(sdev->dev, "error: buffer %s load failed\n",
1258                         swidget->widget->name);
1259                 kfree(buffer);
1260         }
1261
1262         return ret;
1263 }
1264
1265 /* bind PCM ID to host component ID */
1266 static int spcm_bind(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm,
1267                      int dir)
1268 {
1269         struct snd_sof_widget *host_widget;
1270
1271         host_widget = snd_sof_find_swidget_sname(sdev,
1272                                                  spcm->pcm.caps[dir].name,
1273                                                  dir);
1274         if (!host_widget) {
1275                 dev_err(sdev->dev, "can't find host comp to bind pcm\n");
1276                 return -EINVAL;
1277         }
1278
1279         spcm->stream[dir].comp_id = host_widget->comp_id;
1280
1281         return 0;
1282 }
1283
1284 /*
1285  * PCM Topology
1286  */
1287
1288 static int sof_widget_load_pcm(struct snd_soc_component *scomp, int index,
1289                                struct snd_sof_widget *swidget,
1290                                enum sof_ipc_stream_direction dir,
1291                                struct snd_soc_tplg_dapm_widget *tw,
1292                                struct sof_ipc_comp_reply *r)
1293 {
1294         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1295         struct snd_soc_tplg_private *private = &tw->priv;
1296         struct sof_ipc_comp_host *host;
1297         int ret;
1298
1299         host = kzalloc(sizeof(*host), GFP_KERNEL);
1300         if (!host)
1301                 return -ENOMEM;
1302
1303         /* configure host comp IPC message */
1304         host->comp.hdr.size = sizeof(*host);
1305         host->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1306         host->comp.id = swidget->comp_id;
1307         host->comp.type = SOF_COMP_HOST;
1308         host->comp.pipeline_id = index;
1309         host->direction = dir;
1310         host->config.hdr.size = sizeof(host->config);
1311
1312         ret = sof_parse_tokens(scomp, host, pcm_tokens,
1313                                ARRAY_SIZE(pcm_tokens), private->array,
1314                                le32_to_cpu(private->size));
1315         if (ret != 0) {
1316                 dev_err(sdev->dev, "error: parse host tokens failed %d\n",
1317                         private->size);
1318                 goto err;
1319         }
1320
1321         ret = sof_parse_tokens(scomp, &host->config, comp_tokens,
1322                                ARRAY_SIZE(comp_tokens), private->array,
1323                                le32_to_cpu(private->size));
1324         if (ret != 0) {
1325                 dev_err(sdev->dev, "error: parse host.cfg tokens failed %d\n",
1326                         le32_to_cpu(private->size));
1327                 goto err;
1328         }
1329
1330         dev_dbg(sdev->dev, "loaded host %s\n", swidget->widget->name);
1331         sof_dbg_comp_config(scomp, &host->config);
1332
1333         swidget->private = host;
1334
1335         ret = sof_ipc_tx_message(sdev->ipc, host->comp.hdr.cmd, host,
1336                                  sizeof(*host), r, sizeof(*r));
1337         if (ret >= 0)
1338                 return ret;
1339 err:
1340         kfree(host);
1341         return ret;
1342 }
1343
1344 /*
1345  * Pipeline Topology
1346  */
1347 int sof_load_pipeline_ipc(struct snd_sof_dev *sdev,
1348                           struct sof_ipc_pipe_new *pipeline,
1349                           struct sof_ipc_comp_reply *r)
1350 {
1351         struct sof_ipc_pm_core_config pm_core_config;
1352         int ret;
1353
1354         ret = sof_ipc_tx_message(sdev->ipc, pipeline->hdr.cmd, pipeline,
1355                                  sizeof(*pipeline), r, sizeof(*r));
1356         if (ret < 0) {
1357                 dev_err(sdev->dev, "error: load pipeline ipc failure\n");
1358                 return ret;
1359         }
1360
1361         /* power up the core that this pipeline is scheduled on */
1362         ret = snd_sof_dsp_core_power_up(sdev, 1 << pipeline->core);
1363         if (ret < 0) {
1364                 dev_err(sdev->dev, "error: powering up pipeline schedule core %d\n",
1365                         pipeline->core);
1366                 return ret;
1367         }
1368
1369         /* update enabled cores mask */
1370         sdev->enabled_cores_mask |= 1 << pipeline->core;
1371
1372         /*
1373          * Now notify DSP that the core that this pipeline is scheduled on
1374          * has been powered up
1375          */
1376         memset(&pm_core_config, 0, sizeof(pm_core_config));
1377         pm_core_config.enable_mask = sdev->enabled_cores_mask;
1378
1379         /* configure CORE_ENABLE ipc message */
1380         pm_core_config.hdr.size = sizeof(pm_core_config);
1381         pm_core_config.hdr.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE;
1382
1383         /* send ipc */
1384         ret = sof_ipc_tx_message(sdev->ipc, pm_core_config.hdr.cmd,
1385                                  &pm_core_config, sizeof(pm_core_config),
1386                                  &pm_core_config, sizeof(pm_core_config));
1387         if (ret < 0)
1388                 dev_err(sdev->dev, "error: core enable ipc failure\n");
1389
1390         return ret;
1391 }
1392
1393 static int sof_widget_load_pipeline(struct snd_soc_component *scomp,
1394                                     int index, struct snd_sof_widget *swidget,
1395                                     struct snd_soc_tplg_dapm_widget *tw,
1396                                     struct sof_ipc_comp_reply *r)
1397 {
1398         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1399         struct snd_soc_tplg_private *private = &tw->priv;
1400         struct sof_ipc_pipe_new *pipeline;
1401         struct snd_sof_widget *comp_swidget;
1402         int ret;
1403
1404         pipeline = kzalloc(sizeof(*pipeline), GFP_KERNEL);
1405         if (!pipeline)
1406                 return -ENOMEM;
1407
1408         /* configure dai IPC message */
1409         pipeline->hdr.size = sizeof(*pipeline);
1410         pipeline->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_NEW;
1411         pipeline->pipeline_id = index;
1412         pipeline->comp_id = swidget->comp_id;
1413
1414         /* component at start of pipeline is our stream id */
1415         comp_swidget = snd_sof_find_swidget(sdev, tw->sname);
1416         if (!comp_swidget) {
1417                 dev_err(sdev->dev, "error: widget %s refers to non existent widget %s\n",
1418                         tw->name, tw->sname);
1419                 ret = -EINVAL;
1420                 goto err;
1421         }
1422
1423         pipeline->sched_id = comp_swidget->comp_id;
1424
1425         dev_dbg(sdev->dev, "tplg: pipeline id %d comp %d scheduling comp id %d\n",
1426                 pipeline->pipeline_id, pipeline->comp_id, pipeline->sched_id);
1427
1428         ret = sof_parse_tokens(scomp, pipeline, sched_tokens,
1429                                ARRAY_SIZE(sched_tokens), private->array,
1430                                le32_to_cpu(private->size));
1431         if (ret != 0) {
1432                 dev_err(sdev->dev, "error: parse pipeline tokens failed %d\n",
1433                         private->size);
1434                 goto err;
1435         }
1436
1437         dev_dbg(sdev->dev, "pipeline %s: period %d pri %d mips %d core %d frames %d\n",
1438                 swidget->widget->name, pipeline->period, pipeline->priority,
1439                 pipeline->period_mips, pipeline->core, pipeline->frames_per_sched);
1440
1441         swidget->private = pipeline;
1442
1443         /* send ipc's to create pipeline comp and power up schedule core */
1444         ret = sof_load_pipeline_ipc(sdev, pipeline, r);
1445         if (ret >= 0)
1446                 return ret;
1447 err:
1448         kfree(pipeline);
1449         return ret;
1450 }
1451
1452 /*
1453  * Mixer topology
1454  */
1455
1456 static int sof_widget_load_mixer(struct snd_soc_component *scomp, int index,
1457                                  struct snd_sof_widget *swidget,
1458                                  struct snd_soc_tplg_dapm_widget *tw,
1459                                  struct sof_ipc_comp_reply *r)
1460 {
1461         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1462         struct snd_soc_tplg_private *private = &tw->priv;
1463         struct sof_ipc_comp_mixer *mixer;
1464         int ret;
1465
1466         mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);
1467         if (!mixer)
1468                 return -ENOMEM;
1469
1470         /* configure mixer IPC message */
1471         mixer->comp.hdr.size = sizeof(*mixer);
1472         mixer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1473         mixer->comp.id = swidget->comp_id;
1474         mixer->comp.type = SOF_COMP_MIXER;
1475         mixer->comp.pipeline_id = index;
1476         mixer->config.hdr.size = sizeof(mixer->config);
1477
1478         ret = sof_parse_tokens(scomp, &mixer->config, comp_tokens,
1479                                ARRAY_SIZE(comp_tokens), private->array,
1480                                le32_to_cpu(private->size));
1481         if (ret != 0) {
1482                 dev_err(sdev->dev, "error: parse mixer.cfg tokens failed %d\n",
1483                         private->size);
1484                 kfree(mixer);
1485                 return ret;
1486         }
1487
1488         sof_dbg_comp_config(scomp, &mixer->config);
1489
1490         swidget->private = mixer;
1491
1492         ret = sof_ipc_tx_message(sdev->ipc, mixer->comp.hdr.cmd, mixer,
1493                                  sizeof(*mixer), r, sizeof(*r));
1494         if (ret < 0)
1495                 kfree(mixer);
1496
1497         return ret;
1498 }
1499
1500 /*
1501  * Mux topology
1502  */
1503 static int sof_widget_load_mux(struct snd_soc_component *scomp, int index,
1504                                struct snd_sof_widget *swidget,
1505                                struct snd_soc_tplg_dapm_widget *tw,
1506                                struct sof_ipc_comp_reply *r)
1507 {
1508         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1509         struct snd_soc_tplg_private *private = &tw->priv;
1510         struct sof_ipc_comp_mux *mux;
1511         int ret;
1512
1513         mux = kzalloc(sizeof(*mux), GFP_KERNEL);
1514         if (!mux)
1515                 return -ENOMEM;
1516
1517         /* configure mux IPC message */
1518         mux->comp.hdr.size = sizeof(*mux);
1519         mux->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1520         mux->comp.id = swidget->comp_id;
1521         mux->comp.type = SOF_COMP_MUX;
1522         mux->comp.pipeline_id = index;
1523         mux->config.hdr.size = sizeof(mux->config);
1524
1525         ret = sof_parse_tokens(scomp, &mux->config, comp_tokens,
1526                                ARRAY_SIZE(comp_tokens), private->array,
1527                                le32_to_cpu(private->size));
1528         if (ret != 0) {
1529                 dev_err(sdev->dev, "error: parse mux.cfg tokens failed %d\n",
1530                         private->size);
1531                 kfree(mux);
1532                 return ret;
1533         }
1534
1535         sof_dbg_comp_config(scomp, &mux->config);
1536
1537         swidget->private = mux;
1538
1539         ret = sof_ipc_tx_message(sdev->ipc, mux->comp.hdr.cmd, mux,
1540                                  sizeof(*mux), r, sizeof(*r));
1541         if (ret < 0)
1542                 kfree(mux);
1543
1544         return ret;
1545 }
1546
1547 /*
1548  * PGA Topology
1549  */
1550
1551 static int sof_widget_load_pga(struct snd_soc_component *scomp, int index,
1552                                struct snd_sof_widget *swidget,
1553                                struct snd_soc_tplg_dapm_widget *tw,
1554                                struct sof_ipc_comp_reply *r)
1555 {
1556         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1557         struct snd_soc_tplg_private *private = &tw->priv;
1558         struct sof_ipc_comp_volume *volume;
1559         struct snd_sof_control *scontrol;
1560         int min_step;
1561         int max_step;
1562         int ret;
1563
1564         volume = kzalloc(sizeof(*volume), GFP_KERNEL);
1565         if (!volume)
1566                 return -ENOMEM;
1567
1568         if (le32_to_cpu(tw->num_kcontrols) != 1) {
1569                 dev_err(sdev->dev, "error: invalid kcontrol count %d for volume\n",
1570                         tw->num_kcontrols);
1571                 ret = -EINVAL;
1572                 goto err;
1573         }
1574
1575         /* configure volume IPC message */
1576         volume->comp.hdr.size = sizeof(*volume);
1577         volume->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1578         volume->comp.id = swidget->comp_id;
1579         volume->comp.type = SOF_COMP_VOLUME;
1580         volume->comp.pipeline_id = index;
1581         volume->config.hdr.size = sizeof(volume->config);
1582
1583         ret = sof_parse_tokens(scomp, volume, volume_tokens,
1584                                ARRAY_SIZE(volume_tokens), private->array,
1585                                le32_to_cpu(private->size));
1586         if (ret != 0) {
1587                 dev_err(sdev->dev, "error: parse volume tokens failed %d\n",
1588                         private->size);
1589                 goto err;
1590         }
1591         ret = sof_parse_tokens(scomp, &volume->config, comp_tokens,
1592                                ARRAY_SIZE(comp_tokens), private->array,
1593                                le32_to_cpu(private->size));
1594         if (ret != 0) {
1595                 dev_err(sdev->dev, "error: parse volume.cfg tokens failed %d\n",
1596                         le32_to_cpu(private->size));
1597                 goto err;
1598         }
1599
1600         sof_dbg_comp_config(scomp, &volume->config);
1601
1602         swidget->private = volume;
1603
1604         list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
1605                 if (scontrol->comp_id == swidget->comp_id) {
1606                         min_step = scontrol->min_volume_step;
1607                         max_step = scontrol->max_volume_step;
1608                         volume->min_value = scontrol->volume_table[min_step];
1609                         volume->max_value = scontrol->volume_table[max_step];
1610                         volume->channels = scontrol->num_channels;
1611                         break;
1612                 }
1613         }
1614
1615         ret = sof_ipc_tx_message(sdev->ipc, volume->comp.hdr.cmd, volume,
1616                                  sizeof(*volume), r, sizeof(*r));
1617         if (ret >= 0)
1618                 return ret;
1619 err:
1620         kfree(volume);
1621         return ret;
1622 }
1623
1624 /*
1625  * SRC Topology
1626  */
1627
1628 static int sof_widget_load_src(struct snd_soc_component *scomp, int index,
1629                                struct snd_sof_widget *swidget,
1630                                struct snd_soc_tplg_dapm_widget *tw,
1631                                struct sof_ipc_comp_reply *r)
1632 {
1633         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1634         struct snd_soc_tplg_private *private = &tw->priv;
1635         struct sof_ipc_comp_src *src;
1636         int ret;
1637
1638         src = kzalloc(sizeof(*src), GFP_KERNEL);
1639         if (!src)
1640                 return -ENOMEM;
1641
1642         /* configure src IPC message */
1643         src->comp.hdr.size = sizeof(*src);
1644         src->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1645         src->comp.id = swidget->comp_id;
1646         src->comp.type = SOF_COMP_SRC;
1647         src->comp.pipeline_id = index;
1648         src->config.hdr.size = sizeof(src->config);
1649
1650         ret = sof_parse_tokens(scomp, src, src_tokens,
1651                                ARRAY_SIZE(src_tokens), private->array,
1652                                le32_to_cpu(private->size));
1653         if (ret != 0) {
1654                 dev_err(sdev->dev, "error: parse src tokens failed %d\n",
1655                         private->size);
1656                 goto err;
1657         }
1658
1659         ret = sof_parse_tokens(scomp, &src->config, comp_tokens,
1660                                ARRAY_SIZE(comp_tokens), private->array,
1661                                le32_to_cpu(private->size));
1662         if (ret != 0) {
1663                 dev_err(sdev->dev, "error: parse src.cfg tokens failed %d\n",
1664                         le32_to_cpu(private->size));
1665                 goto err;
1666         }
1667
1668         dev_dbg(sdev->dev, "src %s: source rate %d sink rate %d\n",
1669                 swidget->widget->name, src->source_rate, src->sink_rate);
1670         sof_dbg_comp_config(scomp, &src->config);
1671
1672         swidget->private = src;
1673
1674         ret = sof_ipc_tx_message(sdev->ipc, src->comp.hdr.cmd, src,
1675                                  sizeof(*src), r, sizeof(*r));
1676         if (ret >= 0)
1677                 return ret;
1678 err:
1679         kfree(src);
1680         return ret;
1681 }
1682
1683 /*
1684  * Signal Generator Topology
1685  */
1686
1687 static int sof_widget_load_siggen(struct snd_soc_component *scomp, int index,
1688                                   struct snd_sof_widget *swidget,
1689                                   struct snd_soc_tplg_dapm_widget *tw,
1690                                   struct sof_ipc_comp_reply *r)
1691 {
1692         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1693         struct snd_soc_tplg_private *private = &tw->priv;
1694         struct sof_ipc_comp_tone *tone;
1695         int ret;
1696
1697         tone = kzalloc(sizeof(*tone), GFP_KERNEL);
1698         if (!tone)
1699                 return -ENOMEM;
1700
1701         /* configure siggen IPC message */
1702         tone->comp.hdr.size = sizeof(*tone);
1703         tone->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1704         tone->comp.id = swidget->comp_id;
1705         tone->comp.type = SOF_COMP_TONE;
1706         tone->comp.pipeline_id = index;
1707         tone->config.hdr.size = sizeof(tone->config);
1708
1709         ret = sof_parse_tokens(scomp, tone, tone_tokens,
1710                                ARRAY_SIZE(tone_tokens), private->array,
1711                                le32_to_cpu(private->size));
1712         if (ret != 0) {
1713                 dev_err(sdev->dev, "error: parse tone tokens failed %d\n",
1714                         le32_to_cpu(private->size));
1715                 goto err;
1716         }
1717
1718         ret = sof_parse_tokens(scomp, &tone->config, comp_tokens,
1719                                ARRAY_SIZE(comp_tokens), private->array,
1720                                le32_to_cpu(private->size));
1721         if (ret != 0) {
1722                 dev_err(sdev->dev, "error: parse tone.cfg tokens failed %d\n",
1723                         le32_to_cpu(private->size));
1724                 goto err;
1725         }
1726
1727         dev_dbg(sdev->dev, "tone %s: frequency %d amplitude %d\n",
1728                 swidget->widget->name, tone->frequency, tone->amplitude);
1729         sof_dbg_comp_config(scomp, &tone->config);
1730
1731         swidget->private = tone;
1732
1733         ret = sof_ipc_tx_message(sdev->ipc, tone->comp.hdr.cmd, tone,
1734                                  sizeof(*tone), r, sizeof(*r));
1735         if (ret >= 0)
1736                 return ret;
1737 err:
1738         kfree(tone);
1739         return ret;
1740 }
1741
1742 static int sof_process_load(struct snd_soc_component *scomp, int index,
1743                             struct snd_sof_widget *swidget,
1744                             struct snd_soc_tplg_dapm_widget *tw,
1745                             struct sof_ipc_comp_reply *r,
1746                             int type)
1747 {
1748         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1749         struct snd_soc_tplg_private *private = &tw->priv;
1750         struct snd_soc_dapm_widget *widget = swidget->widget;
1751         const struct snd_kcontrol_new *kc;
1752         struct soc_bytes_ext *sbe;
1753         struct soc_mixer_control *sm;
1754         struct soc_enum *se;
1755         struct snd_sof_control *scontrol = NULL;
1756         struct sof_abi_hdr *pdata = NULL;
1757         struct sof_ipc_comp_process *process;
1758         size_t ipc_size, ipc_data_size = 0;
1759         int ret, i, offset = 0;
1760
1761         if (type == SOF_COMP_NONE) {
1762                 dev_err(sdev->dev, "error: invalid process comp type %d\n",
1763                         type);
1764                 return -EINVAL;
1765         }
1766
1767         /*
1768          * get possible component controls - get size of all pdata,
1769          * then memcpy with headers
1770          */
1771         for (i = 0; i < widget->num_kcontrols; i++) {
1772
1773                 kc = &widget->kcontrol_news[i];
1774
1775                 switch (widget->dobj.widget.kcontrol_type) {
1776                 case SND_SOC_TPLG_TYPE_MIXER:
1777                         sm = (struct soc_mixer_control *)kc->private_value;
1778                         scontrol = sm->dobj.private;
1779                         break;
1780                 case SND_SOC_TPLG_TYPE_BYTES:
1781                         sbe = (struct soc_bytes_ext *)kc->private_value;
1782                         scontrol = sbe->dobj.private;
1783                         break;
1784                 case SND_SOC_TPLG_TYPE_ENUM:
1785                         se = (struct soc_enum *)kc->private_value;
1786                         scontrol = se->dobj.private;
1787                         break;
1788                 default:
1789                         dev_err(sdev->dev, "error: unknown kcontrol type %d in widget %s\n",
1790                                 widget->dobj.widget.kcontrol_type,
1791                                 widget->name);
1792                         return -EINVAL;
1793                 }
1794
1795                 if (!scontrol) {
1796                         dev_err(sdev->dev, "error: no scontrol for widget %s\n",
1797                                 widget->name);
1798                         return -EINVAL;
1799                 }
1800
1801                 /* don't include if no private data */
1802                 pdata = scontrol->control_data->data;
1803                 if (!pdata)
1804                         continue;
1805
1806                 /* make sure data is valid - data can be updated at runtime */
1807                 if (pdata->magic != SOF_ABI_MAGIC)
1808                         continue;
1809
1810                 ipc_data_size += pdata->size;
1811         }
1812
1813         ipc_size = sizeof(struct sof_ipc_comp_process) +
1814                 le32_to_cpu(private->size) +
1815                 ipc_data_size;
1816
1817         process = kzalloc(ipc_size, GFP_KERNEL);
1818         if (!process)
1819                 return -ENOMEM;
1820
1821         /* configure iir IPC message */
1822         process->comp.hdr.size = ipc_size;
1823         process->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1824         process->comp.id = swidget->comp_id;
1825         process->comp.type = type;
1826         process->comp.pipeline_id = index;
1827         process->config.hdr.size = sizeof(process->config);
1828
1829         ret = sof_parse_tokens(scomp, &process->config, comp_tokens,
1830                                ARRAY_SIZE(comp_tokens), private->array,
1831                                le32_to_cpu(private->size));
1832         if (ret != 0) {
1833                 dev_err(sdev->dev, "error: parse process.cfg tokens failed %d\n",
1834                         le32_to_cpu(private->size));
1835                 goto err;
1836         }
1837
1838         sof_dbg_comp_config(scomp, &process->config);
1839
1840         /*
1841          * found private data in control, so copy it.
1842          * get possible component controls - get size of all pdata,
1843          * then memcpy with headers
1844          */
1845         for (i = 0; i < widget->num_kcontrols; i++) {
1846                 kc = &widget->kcontrol_news[i];
1847
1848                 switch (widget->dobj.widget.kcontrol_type) {
1849                 case SND_SOC_TPLG_TYPE_MIXER:
1850                         sm = (struct soc_mixer_control *)kc->private_value;
1851                         scontrol = sm->dobj.private;
1852                         break;
1853                 case SND_SOC_TPLG_TYPE_BYTES:
1854                         sbe = (struct soc_bytes_ext *)kc->private_value;
1855                         scontrol = sbe->dobj.private;
1856                         break;
1857                 case SND_SOC_TPLG_TYPE_ENUM:
1858                         se = (struct soc_enum *)kc->private_value;
1859                         scontrol = se->dobj.private;
1860                         break;
1861                 default:
1862                         dev_err(sdev->dev, "error: unknown kcontrol type %d in widget %s\n",
1863                                 widget->dobj.widget.kcontrol_type,
1864                                 widget->name);
1865                         return -EINVAL;
1866                 }
1867
1868                 /* don't include if no private data */
1869                 pdata = scontrol->control_data->data;
1870                 if (!pdata)
1871                         continue;
1872
1873                 /* make sure data is valid - data can be updated at runtime */
1874                 if (pdata->magic != SOF_ABI_MAGIC)
1875                         continue;
1876
1877                 memcpy(&process->data + offset, pdata->data, pdata->size);
1878                 offset += pdata->size;
1879         }
1880
1881         process->size = ipc_data_size;
1882         swidget->private = process;
1883
1884         ret = sof_ipc_tx_message(sdev->ipc, process->comp.hdr.cmd, process,
1885                                  ipc_size, r, sizeof(*r));
1886         if (ret >= 0)
1887                 return ret;
1888 err:
1889         kfree(process);
1890         return ret;
1891 }
1892
1893 /*
1894  * Processing Component Topology - can be "effect", "codec", or general
1895  * "processing".
1896  */
1897
1898 static int sof_widget_load_process(struct snd_soc_component *scomp, int index,
1899                                    struct snd_sof_widget *swidget,
1900                                    struct snd_soc_tplg_dapm_widget *tw,
1901                                    struct sof_ipc_comp_reply *r)
1902 {
1903         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1904         struct snd_soc_tplg_private *private = &tw->priv;
1905         struct sof_ipc_comp_process config;
1906         int ret;
1907
1908         /* check we have some tokens - we need at least process type */
1909         if (le32_to_cpu(private->size) == 0) {
1910                 dev_err(sdev->dev, "error: process tokens not found\n");
1911                 return -EINVAL;
1912         }
1913
1914         memset(&config, 0, sizeof(config));
1915
1916         /* get the process token */
1917         ret = sof_parse_tokens(scomp, &config, process_tokens,
1918                                ARRAY_SIZE(process_tokens), private->array,
1919                                le32_to_cpu(private->size));
1920         if (ret != 0) {
1921                 dev_err(sdev->dev, "error: parse process tokens failed %d\n",
1922                         le32_to_cpu(private->size));
1923                 return ret;
1924         }
1925
1926         /* now load process specific data and send IPC */
1927         ret = sof_process_load(scomp, index, swidget, tw, r,
1928                                find_process_comp_type(config.type));
1929         if (ret < 0) {
1930                 dev_err(sdev->dev, "error: process loading failed\n");
1931                 return ret;
1932         }
1933
1934         return 0;
1935 }
1936
1937 static int sof_widget_bind_event(struct snd_sof_dev *sdev,
1938                                  struct snd_sof_widget *swidget,
1939                                  u16 event_type)
1940 {
1941         struct sof_ipc_comp *ipc_comp;
1942
1943         /* validate widget event type */
1944         switch (event_type) {
1945         case SOF_KEYWORD_DETECT_DAPM_EVENT:
1946                 /* only KEYWORD_DETECT comps should handle this */
1947                 if (swidget->id != snd_soc_dapm_effect)
1948                         break;
1949
1950                 ipc_comp = swidget->private;
1951                 if (ipc_comp && ipc_comp->type != SOF_COMP_KEYWORD_DETECT)
1952                         break;
1953
1954                 /* bind event to keyword detect comp */
1955                 return snd_soc_tplg_widget_bind_event(swidget->widget,
1956                                                       sof_kwd_events,
1957                                                       ARRAY_SIZE(sof_kwd_events),
1958                                                       event_type);
1959         default:
1960                 break;
1961         }
1962
1963         dev_err(sdev->dev,
1964                 "error: invalid event type %d for widget %s\n",
1965                 event_type, swidget->widget->name);
1966         return -EINVAL;
1967 }
1968
1969 /* external widget init - used for any driver specific init */
1970 static int sof_widget_ready(struct snd_soc_component *scomp, int index,
1971                             struct snd_soc_dapm_widget *w,
1972                             struct snd_soc_tplg_dapm_widget *tw)
1973 {
1974         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1975         struct snd_sof_widget *swidget;
1976         struct snd_sof_dai *dai;
1977         struct sof_ipc_comp_reply reply;
1978         struct snd_sof_control *scontrol;
1979         int ret = 0;
1980
1981         swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);
1982         if (!swidget)
1983                 return -ENOMEM;
1984
1985         swidget->sdev = sdev;
1986         swidget->widget = w;
1987         swidget->comp_id = sdev->next_comp_id++;
1988         swidget->complete = 0;
1989         swidget->id = w->id;
1990         swidget->pipeline_id = index;
1991         swidget->private = NULL;
1992         memset(&reply, 0, sizeof(reply));
1993
1994         dev_dbg(sdev->dev, "tplg: ready widget id %d pipe %d type %d name : %s stream %s\n",
1995                 swidget->comp_id, index, swidget->id, tw->name,
1996                 strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
1997                         ? tw->sname : "none");
1998
1999         /* handle any special case widgets */
2000         switch (w->id) {
2001         case snd_soc_dapm_dai_in:
2002         case snd_soc_dapm_dai_out:
2003                 dai = kzalloc(sizeof(*dai), GFP_KERNEL);
2004                 if (!dai) {
2005                         kfree(swidget);
2006                         return -ENOMEM;
2007                 }
2008
2009                 ret = sof_widget_load_dai(scomp, index, swidget, tw, &reply,
2010                                           dai);
2011                 if (ret == 0) {
2012                         sof_connect_dai_widget(scomp, w, tw, dai);
2013                         list_add(&dai->list, &sdev->dai_list);
2014                         swidget->private = dai;
2015                 } else {
2016                         kfree(dai);
2017                 }
2018                 break;
2019         case snd_soc_dapm_mixer:
2020                 ret = sof_widget_load_mixer(scomp, index, swidget, tw, &reply);
2021                 break;
2022         case snd_soc_dapm_pga:
2023                 ret = sof_widget_load_pga(scomp, index, swidget, tw, &reply);
2024                 /* Find scontrol for this pga and set readback offset*/
2025                 list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
2026                         if (scontrol->comp_id == swidget->comp_id) {
2027                                 scontrol->readback_offset = reply.offset;
2028                                 break;
2029                         }
2030                 }
2031                 break;
2032         case snd_soc_dapm_buffer:
2033                 ret = sof_widget_load_buffer(scomp, index, swidget, tw, &reply);
2034                 break;
2035         case snd_soc_dapm_scheduler:
2036                 ret = sof_widget_load_pipeline(scomp, index, swidget, tw,
2037                                                &reply);
2038                 break;
2039         case snd_soc_dapm_aif_out:
2040                 ret = sof_widget_load_pcm(scomp, index, swidget,
2041                                           SOF_IPC_STREAM_CAPTURE, tw, &reply);
2042                 break;
2043         case snd_soc_dapm_aif_in:
2044                 ret = sof_widget_load_pcm(scomp, index, swidget,
2045                                           SOF_IPC_STREAM_PLAYBACK, tw, &reply);
2046                 break;
2047         case snd_soc_dapm_src:
2048                 ret = sof_widget_load_src(scomp, index, swidget, tw, &reply);
2049                 break;
2050         case snd_soc_dapm_siggen:
2051                 ret = sof_widget_load_siggen(scomp, index, swidget, tw, &reply);
2052                 break;
2053         case snd_soc_dapm_effect:
2054                 ret = sof_widget_load_process(scomp, index, swidget, tw,
2055                                               &reply);
2056                 break;
2057         case snd_soc_dapm_mux:
2058         case snd_soc_dapm_demux:
2059                 ret = sof_widget_load_mux(scomp, index, swidget, tw, &reply);
2060                 break;
2061         case snd_soc_dapm_switch:
2062         case snd_soc_dapm_dai_link:
2063         case snd_soc_dapm_kcontrol:
2064         default:
2065                 dev_warn(sdev->dev, "warning: widget type %d name %s not handled\n",
2066                          swidget->id, tw->name);
2067                 break;
2068         }
2069
2070         /* check IPC reply */
2071         if (ret < 0 || reply.rhdr.error < 0) {
2072                 dev_err(sdev->dev,
2073                         "error: DSP failed to add widget id %d type %d name : %s stream %s reply %d\n",
2074                         tw->shift, swidget->id, tw->name,
2075                         strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
2076                                 ? tw->sname : "none", reply.rhdr.error);
2077                 kfree(swidget);
2078                 return ret;
2079         }
2080
2081         /* bind widget to external event */
2082         if (tw->event_type) {
2083                 ret = sof_widget_bind_event(sdev, swidget,
2084                                             le16_to_cpu(tw->event_type));
2085                 if (ret) {
2086                         dev_err(sdev->dev, "error: widget event binding failed\n");
2087                         kfree(swidget->private);
2088                         kfree(swidget);
2089                         return ret;
2090                 }
2091         }
2092
2093         w->dobj.private = swidget;
2094         list_add(&swidget->list, &sdev->widget_list);
2095         return ret;
2096 }
2097
2098 static int sof_route_unload(struct snd_soc_component *scomp,
2099                             struct snd_soc_dobj *dobj)
2100 {
2101         struct snd_sof_route *sroute;
2102
2103         sroute = dobj->private;
2104         if (!sroute)
2105                 return 0;
2106
2107         /* free sroute and its private data */
2108         kfree(sroute->private);
2109         list_del(&sroute->list);
2110         kfree(sroute);
2111
2112         return 0;
2113 }
2114
2115 static int sof_widget_unload(struct snd_soc_component *scomp,
2116                              struct snd_soc_dobj *dobj)
2117 {
2118         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2119         const struct snd_kcontrol_new *kc;
2120         struct snd_soc_dapm_widget *widget;
2121         struct sof_ipc_pipe_new *pipeline;
2122         struct snd_sof_control *scontrol;
2123         struct snd_sof_widget *swidget;
2124         struct soc_mixer_control *sm;
2125         struct soc_bytes_ext *sbe;
2126         struct snd_sof_dai *dai;
2127         struct soc_enum *se;
2128         int ret = 0;
2129         int i;
2130
2131         swidget = dobj->private;
2132         if (!swidget)
2133                 return 0;
2134
2135         widget = swidget->widget;
2136
2137         switch (swidget->id) {
2138         case snd_soc_dapm_dai_in:
2139         case snd_soc_dapm_dai_out:
2140                 dai = swidget->private;
2141
2142                 if (dai) {
2143                         /* free dai config */
2144                         kfree(dai->dai_config);
2145                         list_del(&dai->list);
2146                 }
2147                 break;
2148         case snd_soc_dapm_scheduler:
2149
2150                 /* power down the pipeline schedule core */
2151                 pipeline = swidget->private;
2152                 ret = snd_sof_dsp_core_power_down(sdev, 1 << pipeline->core);
2153                 if (ret < 0)
2154                         dev_err(sdev->dev, "error: powering down pipeline schedule core %d\n",
2155                                 pipeline->core);
2156
2157                 /* update enabled cores mask */
2158                 sdev->enabled_cores_mask &= ~(1 << pipeline->core);
2159
2160                 break;
2161         default:
2162                 break;
2163         }
2164         for (i = 0; i < widget->num_kcontrols; i++) {
2165                 kc = &widget->kcontrol_news[i];
2166                 switch (dobj->widget.kcontrol_type) {
2167                 case SND_SOC_TPLG_TYPE_MIXER:
2168                         sm = (struct soc_mixer_control *)kc->private_value;
2169                         scontrol = sm->dobj.private;
2170                         if (sm->max > 1)
2171                                 kfree(scontrol->volume_table);
2172                         break;
2173                 case SND_SOC_TPLG_TYPE_ENUM:
2174                         se = (struct soc_enum *)kc->private_value;
2175                         scontrol = se->dobj.private;
2176                         break;
2177                 case SND_SOC_TPLG_TYPE_BYTES:
2178                         sbe = (struct soc_bytes_ext *)kc->private_value;
2179                         scontrol = sbe->dobj.private;
2180                         break;
2181                 default:
2182                         dev_warn(sdev->dev, "unsupported kcontrol_type\n");
2183                         goto out;
2184                 }
2185                 kfree(scontrol->control_data);
2186                 list_del(&scontrol->list);
2187                 kfree(scontrol);
2188         }
2189
2190 out:
2191         /* free private value */
2192         kfree(swidget->private);
2193
2194         /* remove and free swidget object */
2195         list_del(&swidget->list);
2196         kfree(swidget);
2197
2198         return ret;
2199 }
2200
2201 /*
2202  * DAI HW configuration.
2203  */
2204
2205 /* FE DAI - used for any driver specific init */
2206 static int sof_dai_load(struct snd_soc_component *scomp, int index,
2207                         struct snd_soc_dai_driver *dai_drv,
2208                         struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
2209 {
2210         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2211         struct snd_soc_tplg_stream_caps *caps;
2212         struct snd_sof_pcm *spcm;
2213         int stream = SNDRV_PCM_STREAM_PLAYBACK;
2214         int ret = 0;
2215
2216         /* nothing to do for BEs atm */
2217         if (!pcm)
2218                 return 0;
2219
2220         spcm = kzalloc(sizeof(*spcm), GFP_KERNEL);
2221         if (!spcm)
2222                 return -ENOMEM;
2223
2224         spcm->sdev = sdev;
2225         spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].comp_id = COMP_ID_UNASSIGNED;
2226         spcm->stream[SNDRV_PCM_STREAM_CAPTURE].comp_id = COMP_ID_UNASSIGNED;
2227
2228         if (pcm) {
2229                 spcm->pcm = *pcm;
2230                 dev_dbg(sdev->dev, "tplg: load pcm %s\n", pcm->dai_name);
2231         }
2232         dai_drv->dobj.private = spcm;
2233         list_add(&spcm->list, &sdev->pcm_list);
2234
2235         /* do we need to allocate playback PCM DMA pages */
2236         if (!spcm->pcm.playback)
2237                 goto capture;
2238
2239         caps = &spcm->pcm.caps[stream];
2240
2241         /* allocate playback page table buffer */
2242         ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2243                                   PAGE_SIZE, &spcm->stream[stream].page_table);
2244         if (ret < 0) {
2245                 dev_err(sdev->dev, "error: can't alloc page table for %s %d\n",
2246                         caps->name, ret);
2247
2248                 return ret;
2249         }
2250
2251         /* bind pcm to host comp */
2252         ret = spcm_bind(sdev, spcm, stream);
2253         if (ret) {
2254                 dev_err(sdev->dev,
2255                         "error: can't bind pcm to host\n");
2256                 goto free_playback_tables;
2257         }
2258
2259 capture:
2260         stream = SNDRV_PCM_STREAM_CAPTURE;
2261
2262         /* do we need to allocate capture PCM DMA pages */
2263         if (!spcm->pcm.capture)
2264                 return ret;
2265
2266         caps = &spcm->pcm.caps[stream];
2267
2268         /* allocate capture page table buffer */
2269         ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2270                                   PAGE_SIZE, &spcm->stream[stream].page_table);
2271         if (ret < 0) {
2272                 dev_err(sdev->dev, "error: can't alloc page table for %s %d\n",
2273                         caps->name, ret);
2274                 goto free_playback_tables;
2275         }
2276
2277         /* bind pcm to host comp */
2278         ret = spcm_bind(sdev, spcm, stream);
2279         if (ret) {
2280                 dev_err(sdev->dev,
2281                         "error: can't bind pcm to host\n");
2282                 snd_dma_free_pages(&spcm->stream[stream].page_table);
2283                 goto free_playback_tables;
2284         }
2285
2286         return ret;
2287
2288 free_playback_tables:
2289         if (spcm->pcm.playback)
2290                 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2291
2292         return ret;
2293 }
2294
2295 static int sof_dai_unload(struct snd_soc_component *scomp,
2296                           struct snd_soc_dobj *dobj)
2297 {
2298         struct snd_sof_pcm *spcm = dobj->private;
2299
2300         /* free PCM DMA pages */
2301         if (spcm->pcm.playback)
2302                 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2303
2304         if (spcm->pcm.capture)
2305                 snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table);
2306
2307         /* remove from list and free spcm */
2308         list_del(&spcm->list);
2309         kfree(spcm);
2310
2311         return 0;
2312 }
2313
2314 static void sof_dai_set_format(struct snd_soc_tplg_hw_config *hw_config,
2315                                struct sof_ipc_dai_config *config)
2316 {
2317         /* clock directions wrt codec */
2318         if (hw_config->bclk_master == SND_SOC_TPLG_BCLK_CM) {
2319                 /* codec is bclk master */
2320                 if (hw_config->fsync_master == SND_SOC_TPLG_FSYNC_CM)
2321                         config->format |= SOF_DAI_FMT_CBM_CFM;
2322                 else
2323                         config->format |= SOF_DAI_FMT_CBM_CFS;
2324         } else {
2325                 /* codec is bclk slave */
2326                 if (hw_config->fsync_master == SND_SOC_TPLG_FSYNC_CM)
2327                         config->format |= SOF_DAI_FMT_CBS_CFM;
2328                 else
2329                         config->format |= SOF_DAI_FMT_CBS_CFS;
2330         }
2331
2332         /* inverted clocks ? */
2333         if (hw_config->invert_bclk) {
2334                 if (hw_config->invert_fsync)
2335                         config->format |= SOF_DAI_FMT_IB_IF;
2336                 else
2337                         config->format |= SOF_DAI_FMT_IB_NF;
2338         } else {
2339                 if (hw_config->invert_fsync)
2340                         config->format |= SOF_DAI_FMT_NB_IF;
2341                 else
2342                         config->format |= SOF_DAI_FMT_NB_NF;
2343         }
2344 }
2345
2346 /* set config for all DAI's with name matching the link name */
2347 static int sof_set_dai_config(struct snd_sof_dev *sdev, u32 size,
2348                               struct snd_soc_dai_link *link,
2349                               struct sof_ipc_dai_config *config)
2350 {
2351         struct snd_sof_dai *dai;
2352         int found = 0;
2353
2354         list_for_each_entry(dai, &sdev->dai_list, list) {
2355                 if (!dai->name)
2356                         continue;
2357
2358                 if (strcmp(link->name, dai->name) == 0) {
2359                         dai->dai_config = kmemdup(config, size, GFP_KERNEL);
2360                         if (!dai->dai_config)
2361                                 return -ENOMEM;
2362
2363                         /* set cpu_dai_name */
2364                         dai->cpu_dai_name = link->cpus->dai_name;
2365
2366                         found = 1;
2367                 }
2368         }
2369
2370         /*
2371          * machine driver may define a dai link with playback and capture
2372          * dai enabled, but the dai link in topology would support both, one
2373          * or none of them. Here print a warning message to notify user
2374          */
2375         if (!found) {
2376                 dev_warn(sdev->dev, "warning: failed to find dai for dai link %s",
2377                          link->name);
2378         }
2379
2380         return 0;
2381 }
2382
2383 static int sof_link_ssp_load(struct snd_soc_component *scomp, int index,
2384                              struct snd_soc_dai_link *link,
2385                              struct snd_soc_tplg_link_config *cfg,
2386                              struct snd_soc_tplg_hw_config *hw_config,
2387                              struct sof_ipc_dai_config *config)
2388 {
2389         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2390         struct snd_soc_tplg_private *private = &cfg->priv;
2391         struct sof_ipc_reply reply;
2392         u32 size = sizeof(*config);
2393         int ret;
2394
2395         /* handle master/slave and inverted clocks */
2396         sof_dai_set_format(hw_config, config);
2397
2398         /* init IPC */
2399         memset(&config->ssp, 0, sizeof(struct sof_ipc_dai_ssp_params));
2400         config->hdr.size = size;
2401
2402         ret = sof_parse_tokens(scomp, &config->ssp, ssp_tokens,
2403                                ARRAY_SIZE(ssp_tokens), private->array,
2404                                le32_to_cpu(private->size));
2405         if (ret != 0) {
2406                 dev_err(sdev->dev, "error: parse ssp tokens failed %d\n",
2407                         le32_to_cpu(private->size));
2408                 return ret;
2409         }
2410
2411         config->ssp.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
2412         config->ssp.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
2413         config->ssp.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
2414         config->ssp.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
2415         config->ssp.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
2416         config->ssp.mclk_direction = hw_config->mclk_direction;
2417         config->ssp.rx_slots = le32_to_cpu(hw_config->rx_slots);
2418         config->ssp.tx_slots = le32_to_cpu(hw_config->tx_slots);
2419
2420         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",
2421                 config->dai_index, config->format,
2422                 config->ssp.mclk_rate, config->ssp.bclk_rate,
2423                 config->ssp.fsync_rate, config->ssp.sample_valid_bits,
2424                 config->ssp.tdm_slot_width, config->ssp.tdm_slots,
2425                 config->ssp.mclk_id, config->ssp.quirks);
2426
2427         /* validate SSP fsync rate and channel count */
2428         if (config->ssp.fsync_rate < 8000 || config->ssp.fsync_rate > 192000) {
2429                 dev_err(sdev->dev, "error: invalid fsync rate for SSP%d\n",
2430                         config->dai_index);
2431                 return -EINVAL;
2432         }
2433
2434         if (config->ssp.tdm_slots < 1 || config->ssp.tdm_slots > 8) {
2435                 dev_err(sdev->dev, "error: invalid channel count for SSP%d\n",
2436                         config->dai_index);
2437                 return -EINVAL;
2438         }
2439
2440         /* send message to DSP */
2441         ret = sof_ipc_tx_message(sdev->ipc,
2442                                  config->hdr.cmd, config, size, &reply,
2443                                  sizeof(reply));
2444
2445         if (ret < 0) {
2446                 dev_err(sdev->dev, "error: failed to set DAI config for SSP%d\n",
2447                         config->dai_index);
2448                 return ret;
2449         }
2450
2451         /* set config for all DAI's with name matching the link name */
2452         ret = sof_set_dai_config(sdev, size, link, config);
2453         if (ret < 0)
2454                 dev_err(sdev->dev, "error: failed to save DAI config for SSP%d\n",
2455                         config->dai_index);
2456
2457         return ret;
2458 }
2459
2460 static int sof_link_dmic_load(struct snd_soc_component *scomp, int index,
2461                               struct snd_soc_dai_link *link,
2462                               struct snd_soc_tplg_link_config *cfg,
2463                               struct snd_soc_tplg_hw_config *hw_config,
2464                               struct sof_ipc_dai_config *config)
2465 {
2466         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2467         struct snd_soc_tplg_private *private = &cfg->priv;
2468         struct sof_ipc_dai_config *ipc_config;
2469         struct sof_ipc_reply reply;
2470         struct sof_ipc_fw_ready *ready = &sdev->fw_ready;
2471         struct sof_ipc_fw_version *v = &ready->version;
2472         u32 size;
2473         int ret, j;
2474
2475         /*
2476          * config is only used for the common params in dmic_params structure
2477          * that does not include the PDM controller config array
2478          * Set the common params to 0.
2479          */
2480         memset(&config->dmic, 0, sizeof(struct sof_ipc_dai_dmic_params));
2481
2482         /* get DMIC tokens */
2483         ret = sof_parse_tokens(scomp, &config->dmic, dmic_tokens,
2484                                ARRAY_SIZE(dmic_tokens), private->array,
2485                                le32_to_cpu(private->size));
2486         if (ret != 0) {
2487                 dev_err(sdev->dev, "error: parse dmic tokens failed %d\n",
2488                         le32_to_cpu(private->size));
2489                 return ret;
2490         }
2491
2492         /*
2493          * allocate memory for dmic dai config accounting for the
2494          * variable number of active pdm controllers
2495          * This will be the ipc payload for setting dai config
2496          */
2497         size = sizeof(*config) + sizeof(struct sof_ipc_dai_dmic_pdm_ctrl) *
2498                                         config->dmic.num_pdm_active;
2499
2500         ipc_config = kzalloc(size, GFP_KERNEL);
2501         if (!ipc_config)
2502                 return -ENOMEM;
2503
2504         /* copy the common dai config and dmic params */
2505         memcpy(ipc_config, config, sizeof(*config));
2506
2507         /*
2508          * alloc memory for private member
2509          * Used to track the pdm config array index currently being parsed
2510          */
2511         sdev->private = kzalloc(sizeof(u32), GFP_KERNEL);
2512         if (!sdev->private) {
2513                 kfree(ipc_config);
2514                 return -ENOMEM;
2515         }
2516
2517         /* get DMIC PDM tokens */
2518         ret = sof_parse_tokens(scomp, &ipc_config->dmic.pdm[0], dmic_pdm_tokens,
2519                                ARRAY_SIZE(dmic_pdm_tokens), private->array,
2520                                le32_to_cpu(private->size));
2521         if (ret != 0) {
2522                 dev_err(sdev->dev, "error: parse dmic pdm tokens failed %d\n",
2523                         le32_to_cpu(private->size));
2524                 goto err;
2525         }
2526
2527         /* set IPC header size */
2528         ipc_config->hdr.size = size;
2529
2530         /* debug messages */
2531         dev_dbg(sdev->dev, "tplg: config DMIC%d driver version %d\n",
2532                 ipc_config->dai_index, ipc_config->dmic.driver_ipc_version);
2533         dev_dbg(sdev->dev, "pdmclk_min %d pdm_clkmax %d duty_min %hd\n",
2534                 ipc_config->dmic.pdmclk_min, ipc_config->dmic.pdmclk_max,
2535                 ipc_config->dmic.duty_min);
2536         dev_dbg(sdev->dev, "duty_max %hd fifo_fs %d num_pdms active %d\n",
2537                 ipc_config->dmic.duty_max, ipc_config->dmic.fifo_fs,
2538                 ipc_config->dmic.num_pdm_active);
2539         dev_dbg(sdev->dev, "fifo word length %hd\n",
2540                 ipc_config->dmic.fifo_bits);
2541
2542         for (j = 0; j < ipc_config->dmic.num_pdm_active; j++) {
2543                 dev_dbg(sdev->dev, "pdm %hd mic a %hd mic b %hd\n",
2544                         ipc_config->dmic.pdm[j].id,
2545                         ipc_config->dmic.pdm[j].enable_mic_a,
2546                         ipc_config->dmic.pdm[j].enable_mic_b);
2547                 dev_dbg(sdev->dev, "pdm %hd polarity a %hd polarity b %hd\n",
2548                         ipc_config->dmic.pdm[j].id,
2549                         ipc_config->dmic.pdm[j].polarity_mic_a,
2550                         ipc_config->dmic.pdm[j].polarity_mic_b);
2551                 dev_dbg(sdev->dev, "pdm %hd clk_edge %hd skew %hd\n",
2552                         ipc_config->dmic.pdm[j].id,
2553                         ipc_config->dmic.pdm[j].clk_edge,
2554                         ipc_config->dmic.pdm[j].skew);
2555         }
2556
2557         if (SOF_ABI_VER(v->major, v->minor, v->micro) < SOF_ABI_VER(3, 0, 1)) {
2558                 /* this takes care of backwards compatible handling of fifo_bits_b */
2559                 ipc_config->dmic.reserved_2 = ipc_config->dmic.fifo_bits;
2560         }
2561
2562         /* send message to DSP */
2563         ret = sof_ipc_tx_message(sdev->ipc,
2564                                  ipc_config->hdr.cmd, ipc_config, size, &reply,
2565                                  sizeof(reply));
2566
2567         if (ret < 0) {
2568                 dev_err(sdev->dev,
2569                         "error: failed to set DAI config for DMIC%d\n",
2570                         config->dai_index);
2571                 goto err;
2572         }
2573
2574         /* set config for all DAI's with name matching the link name */
2575         ret = sof_set_dai_config(sdev, size, link, ipc_config);
2576         if (ret < 0)
2577                 dev_err(sdev->dev, "error: failed to save DAI config for DMIC%d\n",
2578                         config->dai_index);
2579
2580 err:
2581         kfree(sdev->private);
2582         kfree(ipc_config);
2583
2584         return ret;
2585 }
2586
2587 /*
2588  * for hda link, playback and capture are supported by different dai
2589  * in FW. Here get the dai_index, set dma channel of each dai
2590  * and send config to FW. In FW, each dai sets config by dai_index
2591  */
2592 static int sof_link_hda_process(struct snd_sof_dev *sdev,
2593                                 struct snd_soc_dai_link *link,
2594                                 struct sof_ipc_dai_config *config)
2595 {
2596         struct sof_ipc_reply reply;
2597         u32 size = sizeof(*config);
2598         struct snd_sof_dai *sof_dai;
2599         int found = 0;
2600         int ret;
2601
2602         list_for_each_entry(sof_dai, &sdev->dai_list, list) {
2603                 if (!sof_dai->name)
2604                         continue;
2605
2606                 if (strcmp(link->name, sof_dai->name) == 0) {
2607                         config->dai_index = sof_dai->comp_dai.dai_index;
2608                         found = 1;
2609
2610                         config->hda.link_dma_ch = DMA_CHAN_INVALID;
2611
2612                         /* save config in dai component */
2613                         sof_dai->dai_config = kmemdup(config, size, GFP_KERNEL);
2614                         if (!sof_dai->dai_config)
2615                                 return -ENOMEM;
2616
2617                         sof_dai->cpu_dai_name = link->cpus->dai_name;
2618
2619                         /* send message to DSP */
2620                         ret = sof_ipc_tx_message(sdev->ipc,
2621                                                  config->hdr.cmd, config, size,
2622                                                  &reply, sizeof(reply));
2623
2624                         if (ret < 0) {
2625                                 dev_err(sdev->dev, "error: failed to set DAI config for direction:%d of HDA dai %d\n",
2626                                         sof_dai->comp_dai.direction,
2627                                         config->dai_index);
2628
2629                                 return ret;
2630                         }
2631                 }
2632         }
2633
2634         /*
2635          * machine driver may define a dai link with playback and capture
2636          * dai enabled, but the dai link in topology would support both, one
2637          * or none of them. Here print a warning message to notify user
2638          */
2639         if (!found) {
2640                 dev_warn(sdev->dev, "warning: failed to find dai for dai link %s",
2641                          link->name);
2642         }
2643
2644         return 0;
2645 }
2646
2647 static int sof_link_hda_load(struct snd_soc_component *scomp, int index,
2648                              struct snd_soc_dai_link *link,
2649                              struct snd_soc_tplg_link_config *cfg,
2650                              struct snd_soc_tplg_hw_config *hw_config,
2651                              struct sof_ipc_dai_config *config)
2652 {
2653         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2654         struct snd_soc_tplg_private *private = &cfg->priv;
2655         struct snd_soc_dai *dai;
2656         u32 size = sizeof(*config);
2657         int ret;
2658
2659         /* init IPC */
2660         memset(&config->hda, 0, sizeof(struct sof_ipc_dai_hda_params));
2661         config->hdr.size = size;
2662
2663         /* get any bespoke DAI tokens */
2664         ret = sof_parse_tokens(scomp, config, hda_tokens,
2665                                ARRAY_SIZE(hda_tokens), private->array,
2666                                le32_to_cpu(private->size));
2667         if (ret != 0) {
2668                 dev_err(sdev->dev, "error: parse hda tokens failed %d\n",
2669                         le32_to_cpu(private->size));
2670                 return ret;
2671         }
2672
2673         dai = snd_soc_find_dai(link->cpus);
2674         if (!dai) {
2675                 dev_err(sdev->dev, "error: failed to find dai %s in %s",
2676                         link->cpus->dai_name, __func__);
2677                 return -EINVAL;
2678         }
2679
2680         ret = sof_link_hda_process(sdev, link, config);
2681         if (ret < 0)
2682                 dev_err(sdev->dev, "error: failed to process hda dai link %s",
2683                         link->name);
2684
2685         return ret;
2686 }
2687
2688 /* DAI link - used for any driver specific init */
2689 static int sof_link_load(struct snd_soc_component *scomp, int index,
2690                          struct snd_soc_dai_link *link,
2691                          struct snd_soc_tplg_link_config *cfg)
2692 {
2693         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2694         struct snd_soc_tplg_private *private = &cfg->priv;
2695         struct sof_ipc_dai_config config;
2696         struct snd_soc_tplg_hw_config *hw_config;
2697         int num_hw_configs;
2698         int ret;
2699         int i = 0;
2700
2701         if (!link->platforms) {
2702                 dev_err(sdev->dev, "error: no platforms\n");
2703                 return -EINVAL;
2704         }
2705         link->platforms->name = dev_name(sdev->dev);
2706
2707         /*
2708          * Set nonatomic property for FE dai links as their trigger action
2709          * involves IPC's.
2710          */
2711         if (!link->no_pcm) {
2712                 link->nonatomic = true;
2713
2714                 /* nothing more to do for FE dai links */
2715                 return 0;
2716         }
2717
2718         /* check we have some tokens - we need at least DAI type */
2719         if (le32_to_cpu(private->size) == 0) {
2720                 dev_err(sdev->dev, "error: expected tokens for DAI, none found\n");
2721                 return -EINVAL;
2722         }
2723
2724         /* Send BE DAI link configurations to DSP */
2725         memset(&config, 0, sizeof(config));
2726
2727         /* get any common DAI tokens */
2728         ret = sof_parse_tokens(scomp, &config, dai_link_tokens,
2729                                ARRAY_SIZE(dai_link_tokens), private->array,
2730                                le32_to_cpu(private->size));
2731         if (ret != 0) {
2732                 dev_err(sdev->dev, "error: parse link tokens failed %d\n",
2733                         le32_to_cpu(private->size));
2734                 return ret;
2735         }
2736
2737         /*
2738          * DAI links are expected to have at least 1 hw_config.
2739          * But some older topologies might have no hw_config for HDA dai links.
2740          */
2741         num_hw_configs = le32_to_cpu(cfg->num_hw_configs);
2742         if (!num_hw_configs) {
2743                 if (config.type != SOF_DAI_INTEL_HDA) {
2744                         dev_err(sdev->dev, "error: unexpected DAI config count %d!\n",
2745                                 le32_to_cpu(cfg->num_hw_configs));
2746                         return -EINVAL;
2747                 }
2748         } else {
2749                 dev_dbg(sdev->dev, "tplg: %d hw_configs found, default id: %d!\n",
2750                         cfg->num_hw_configs, le32_to_cpu(cfg->default_hw_config_id));
2751
2752                 for (i = 0; i < num_hw_configs; i++) {
2753                         if (cfg->hw_config[i].id == cfg->default_hw_config_id)
2754                                 break;
2755                 }
2756
2757                 if (i == num_hw_configs) {
2758                         dev_err(sdev->dev, "error: default hw_config id: %d not found!\n",
2759                                 le32_to_cpu(cfg->default_hw_config_id));
2760                         return -EINVAL;
2761                 }
2762         }
2763
2764         /* configure dai IPC message */
2765         hw_config = &cfg->hw_config[i];
2766
2767         config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
2768         config.format = le32_to_cpu(hw_config->fmt);
2769
2770         /* now load DAI specific data and send IPC - type comes from token */
2771         switch (config.type) {
2772         case SOF_DAI_INTEL_SSP:
2773                 ret = sof_link_ssp_load(scomp, index, link, cfg, hw_config,
2774                                         &config);
2775                 break;
2776         case SOF_DAI_INTEL_DMIC:
2777                 ret = sof_link_dmic_load(scomp, index, link, cfg, hw_config,
2778                                          &config);
2779                 break;
2780         case SOF_DAI_INTEL_HDA:
2781                 ret = sof_link_hda_load(scomp, index, link, cfg, hw_config,
2782                                         &config);
2783                 break;
2784         default:
2785                 dev_err(sdev->dev, "error: invalid DAI type %d\n", config.type);
2786                 ret = -EINVAL;
2787                 break;
2788         }
2789         if (ret < 0)
2790                 return ret;
2791
2792         return 0;
2793 }
2794
2795 static int sof_link_hda_unload(struct snd_sof_dev *sdev,
2796                                struct snd_soc_dai_link *link)
2797 {
2798         struct snd_soc_dai *dai;
2799         int ret = 0;
2800
2801         dai = snd_soc_find_dai(link->cpus);
2802         if (!dai) {
2803                 dev_err(sdev->dev, "error: failed to find dai %s in %s",
2804                         link->cpus->dai_name, __func__);
2805                 return -EINVAL;
2806         }
2807
2808         return ret;
2809 }
2810
2811 static int sof_link_unload(struct snd_soc_component *scomp,
2812                            struct snd_soc_dobj *dobj)
2813 {
2814         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2815         struct snd_soc_dai_link *link =
2816                 container_of(dobj, struct snd_soc_dai_link, dobj);
2817
2818         struct snd_sof_dai *sof_dai;
2819         int ret = 0;
2820
2821         /* only BE link is loaded by sof */
2822         if (!link->no_pcm)
2823                 return 0;
2824
2825         list_for_each_entry(sof_dai, &sdev->dai_list, list) {
2826                 if (!sof_dai->name)
2827                         continue;
2828
2829                 if (strcmp(link->name, sof_dai->name) == 0)
2830                         goto found;
2831         }
2832
2833         dev_err(sdev->dev, "error: failed to find dai %s in %s",
2834                 link->name, __func__);
2835         return -EINVAL;
2836 found:
2837
2838         switch (sof_dai->dai_config->type) {
2839         case SOF_DAI_INTEL_SSP:
2840         case SOF_DAI_INTEL_DMIC:
2841                 /* no resource needs to be released for SSP and DMIC */
2842                 break;
2843         case SOF_DAI_INTEL_HDA:
2844                 ret = sof_link_hda_unload(sdev, link);
2845                 break;
2846         default:
2847                 dev_err(sdev->dev, "error: invalid DAI type %d\n",
2848                         sof_dai->dai_config->type);
2849                 ret = -EINVAL;
2850                 break;
2851         }
2852
2853         return ret;
2854 }
2855
2856 /* DAI link - used for any driver specific init */
2857 static int sof_route_load(struct snd_soc_component *scomp, int index,
2858                           struct snd_soc_dapm_route *route)
2859 {
2860         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2861         struct sof_ipc_pipe_comp_connect *connect;
2862         struct snd_sof_widget *source_swidget, *sink_swidget;
2863         struct snd_soc_dobj *dobj = &route->dobj;
2864         struct snd_sof_route *sroute;
2865         struct sof_ipc_reply reply;
2866         int ret = 0;
2867
2868         /* allocate memory for sroute and connect */
2869         sroute = kzalloc(sizeof(*sroute), GFP_KERNEL);
2870         if (!sroute)
2871                 return -ENOMEM;
2872
2873         sroute->sdev = sdev;
2874
2875         connect = kzalloc(sizeof(*connect), GFP_KERNEL);
2876         if (!connect) {
2877                 kfree(sroute);
2878                 return -ENOMEM;
2879         }
2880
2881         connect->hdr.size = sizeof(*connect);
2882         connect->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_CONNECT;
2883
2884         dev_dbg(sdev->dev, "sink %s control %s source %s\n",
2885                 route->sink, route->control ? route->control : "none",
2886                 route->source);
2887
2888         /* source component */
2889         source_swidget = snd_sof_find_swidget(sdev, (char *)route->source);
2890         if (!source_swidget) {
2891                 dev_err(sdev->dev, "error: source %s not found\n",
2892                         route->source);
2893                 ret = -EINVAL;
2894                 goto err;
2895         }
2896
2897         /*
2898          * Virtual widgets of type output/out_drv may be added in topology
2899          * for compatibility. These are not handled by the FW.
2900          * So, don't send routes whose source/sink widget is of such types
2901          * to the DSP.
2902          */
2903         if (source_swidget->id == snd_soc_dapm_out_drv ||
2904             source_swidget->id == snd_soc_dapm_output)
2905                 goto err;
2906
2907         connect->source_id = source_swidget->comp_id;
2908
2909         /* sink component */
2910         sink_swidget = snd_sof_find_swidget(sdev, (char *)route->sink);
2911         if (!sink_swidget) {
2912                 dev_err(sdev->dev, "error: sink %s not found\n",
2913                         route->sink);
2914                 ret = -EINVAL;
2915                 goto err;
2916         }
2917
2918         /*
2919          * Don't send routes whose sink widget is of type
2920          * output or out_drv to the DSP
2921          */
2922         if (sink_swidget->id == snd_soc_dapm_out_drv ||
2923             sink_swidget->id == snd_soc_dapm_output)
2924                 goto err;
2925
2926         connect->sink_id = sink_swidget->comp_id;
2927
2928         /*
2929          * For virtual routes, both sink and source are not
2930          * buffer. Since only buffer linked to component is supported by
2931          * FW, others are reported as error, add check in route function,
2932          * do not send it to FW when both source and sink are not buffer
2933          */
2934         if (source_swidget->id != snd_soc_dapm_buffer &&
2935             sink_swidget->id != snd_soc_dapm_buffer) {
2936                 dev_dbg(sdev->dev, "warning: neither Linked source component %s nor sink component %s is of buffer type, ignoring link\n",
2937                         route->source, route->sink);
2938                 ret = 0;
2939                 goto err;
2940         } else {
2941                 ret = sof_ipc_tx_message(sdev->ipc,
2942                                          connect->hdr.cmd,
2943                                          connect, sizeof(*connect),
2944                                          &reply, sizeof(reply));
2945
2946                 /* check IPC return value */
2947                 if (ret < 0) {
2948                         dev_err(sdev->dev, "error: failed to add route sink %s control %s source %s\n",
2949                                 route->sink,
2950                                 route->control ? route->control : "none",
2951                                 route->source);
2952                         goto err;
2953                 }
2954
2955                 /* check IPC reply */
2956                 if (reply.error < 0) {
2957                         dev_err(sdev->dev, "error: DSP failed to add route sink %s control %s source %s result %d\n",
2958                                 route->sink,
2959                                 route->control ? route->control : "none",
2960                                 route->source, reply.error);
2961                         ret = reply.error;
2962                         goto err;
2963                 }
2964
2965                 sroute->route = route;
2966                 dobj->private = sroute;
2967                 sroute->private = connect;
2968
2969                 /* add route to route list */
2970                 list_add(&sroute->list, &sdev->route_list);
2971
2972                 return ret;
2973         }
2974
2975 err:
2976         kfree(connect);
2977         kfree(sroute);
2978         return ret;
2979 }
2980
2981 /* Function to set the initial value of SOF kcontrols.
2982  * The value will be stored in scontrol->control_data
2983  */
2984 static int snd_sof_cache_kcontrol_val(struct snd_sof_dev *sdev)
2985 {
2986         struct snd_sof_control *scontrol = NULL;
2987         int ipc_cmd, ctrl_type;
2988         int ret = 0;
2989
2990         list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
2991
2992                 /* notify DSP of kcontrol values */
2993                 switch (scontrol->cmd) {
2994                 case SOF_CTRL_CMD_VOLUME:
2995                 case SOF_CTRL_CMD_ENUM:
2996                 case SOF_CTRL_CMD_SWITCH:
2997                         ipc_cmd = SOF_IPC_COMP_GET_VALUE;
2998                         ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_GET;
2999                         break;
3000                 case SOF_CTRL_CMD_BINARY:
3001                         ipc_cmd = SOF_IPC_COMP_GET_DATA;
3002                         ctrl_type = SOF_CTRL_TYPE_DATA_GET;
3003                         break;
3004                 default:
3005                         dev_err(sdev->dev,
3006                                 "error: Invalid scontrol->cmd: %d\n",
3007                                 scontrol->cmd);
3008                         return -EINVAL;
3009                 }
3010                 ret = snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
3011                                                     ipc_cmd, ctrl_type,
3012                                                     scontrol->cmd,
3013                                                     false);
3014                 if (ret < 0) {
3015                         dev_warn(sdev->dev,
3016                                 "error: kcontrol value get for widget: %d\n",
3017                                 scontrol->comp_id);
3018                 }
3019         }
3020
3021         return ret;
3022 }
3023
3024 int snd_sof_complete_pipeline(struct snd_sof_dev *sdev,
3025                               struct snd_sof_widget *swidget)
3026 {
3027         struct sof_ipc_pipe_ready ready;
3028         struct sof_ipc_reply reply;
3029         int ret;
3030
3031         dev_dbg(sdev->dev, "tplg: complete pipeline %s id %d\n",
3032                 swidget->widget->name, swidget->comp_id);
3033
3034         memset(&ready, 0, sizeof(ready));
3035         ready.hdr.size = sizeof(ready);
3036         ready.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_COMPLETE;
3037         ready.comp_id = swidget->comp_id;
3038
3039         ret = sof_ipc_tx_message(sdev->ipc,
3040                                  ready.hdr.cmd, &ready, sizeof(ready), &reply,
3041                                  sizeof(reply));
3042         if (ret < 0)
3043                 return ret;
3044         return 1;
3045 }
3046
3047 /* completion - called at completion of firmware loading */
3048 static void sof_complete(struct snd_soc_component *scomp)
3049 {
3050         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3051         struct snd_sof_widget *swidget;
3052
3053         /* some widget types require completion notificattion */
3054         list_for_each_entry(swidget, &sdev->widget_list, list) {
3055                 if (swidget->complete)
3056                         continue;
3057
3058                 switch (swidget->id) {
3059                 case snd_soc_dapm_scheduler:
3060                         swidget->complete =
3061                                 snd_sof_complete_pipeline(sdev, swidget);
3062                         break;
3063                 default:
3064                         break;
3065                 }
3066         }
3067         /*
3068          * cache initial values of SOF kcontrols by reading DSP value over
3069          * IPC. It may be overwritten by alsa-mixer after booting up
3070          */
3071         snd_sof_cache_kcontrol_val(sdev);
3072 }
3073
3074 /* manifest - optional to inform component of manifest */
3075 static int sof_manifest(struct snd_soc_component *scomp, int index,
3076                         struct snd_soc_tplg_manifest *man)
3077 {
3078         struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3079         u32 size;
3080         u32 abi_version;
3081
3082         size = le32_to_cpu(man->priv.size);
3083
3084         /* backward compatible with tplg without ABI info */
3085         if (!size) {
3086                 dev_dbg(sdev->dev, "No topology ABI info\n");
3087                 return 0;
3088         }
3089
3090         if (size != SOF_TPLG_ABI_SIZE) {
3091                 dev_err(sdev->dev, "error: invalid topology ABI size\n");
3092                 return -EINVAL;
3093         }
3094
3095         dev_info(sdev->dev,
3096                  "Topology: ABI %d:%d:%d Kernel ABI %d:%d:%d\n",
3097                  man->priv.data[0], man->priv.data[1],
3098                  man->priv.data[2], SOF_ABI_MAJOR, SOF_ABI_MINOR,
3099                  SOF_ABI_PATCH);
3100
3101         abi_version = SOF_ABI_VER(man->priv.data[0],
3102                                   man->priv.data[1],
3103                                   man->priv.data[2]);
3104
3105         if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, abi_version)) {
3106                 dev_err(sdev->dev, "error: incompatible topology ABI version\n");
3107                 return -EINVAL;
3108         }
3109
3110         if (abi_version > SOF_ABI_VERSION) {
3111                 if (!IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS)) {
3112                         dev_warn(sdev->dev, "warn: topology ABI is more recent than kernel\n");
3113                 } else {
3114                         dev_err(sdev->dev, "error: topology ABI is more recent than kernel\n");
3115                         return -EINVAL;
3116                 }
3117         }
3118
3119         return 0;
3120 }
3121
3122 /* vendor specific kcontrol handlers available for binding */
3123 static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = {
3124         {SOF_TPLG_KCTL_VOL_ID, snd_sof_volume_get, snd_sof_volume_put},
3125         {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_get, snd_sof_bytes_put},
3126         {SOF_TPLG_KCTL_ENUM_ID, snd_sof_enum_get, snd_sof_enum_put},
3127         {SOF_TPLG_KCTL_SWITCH_ID, snd_sof_switch_get, snd_sof_switch_put},
3128 };
3129
3130 /* vendor specific bytes ext handlers available for binding */
3131 static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = {
3132         {SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_ext_get, snd_sof_bytes_ext_put},
3133 };
3134
3135 static struct snd_soc_tplg_ops sof_tplg_ops = {
3136         /* external kcontrol init - used for any driver specific init */
3137         .control_load   = sof_control_load,
3138         .control_unload = sof_control_unload,
3139
3140         /* external kcontrol init - used for any driver specific init */
3141         .dapm_route_load        = sof_route_load,
3142         .dapm_route_unload      = sof_route_unload,
3143
3144         /* external widget init - used for any driver specific init */
3145         /* .widget_load is not currently used */
3146         .widget_ready   = sof_widget_ready,
3147         .widget_unload  = sof_widget_unload,
3148
3149         /* FE DAI - used for any driver specific init */
3150         .dai_load       = sof_dai_load,
3151         .dai_unload     = sof_dai_unload,
3152
3153         /* DAI link - used for any driver specific init */
3154         .link_load      = sof_link_load,
3155         .link_unload    = sof_link_unload,
3156
3157         /* completion - called at completion of firmware loading */
3158         .complete       = sof_complete,
3159
3160         /* manifest - optional to inform component of manifest */
3161         .manifest       = sof_manifest,
3162
3163         /* vendor specific kcontrol handlers available for binding */
3164         .io_ops         = sof_io_ops,
3165         .io_ops_count   = ARRAY_SIZE(sof_io_ops),
3166
3167         /* vendor specific bytes ext handlers available for binding */
3168         .bytes_ext_ops  = sof_bytes_ext_ops,
3169         .bytes_ext_ops_count    = ARRAY_SIZE(sof_bytes_ext_ops),
3170 };
3171
3172 int snd_sof_init_topology(struct snd_sof_dev *sdev,
3173                           struct snd_soc_tplg_ops *ops)
3174 {
3175         /* TODO: support linked list of topologies */
3176         sdev->tplg_ops = ops;
3177         return 0;
3178 }
3179 EXPORT_SYMBOL(snd_sof_init_topology);
3180
3181 int snd_sof_load_topology(struct snd_sof_dev *sdev, const char *file)
3182 {
3183         const struct firmware *fw;
3184         int ret;
3185
3186         dev_dbg(sdev->dev, "loading topology:%s\n", file);
3187
3188         ret = request_firmware(&fw, file, sdev->dev);
3189         if (ret < 0) {
3190                 dev_err(sdev->dev, "error: tplg request firmware %s failed err: %d\n",
3191                         file, ret);
3192                 return ret;
3193         }
3194
3195         ret = snd_soc_tplg_component_load(sdev->component,
3196                                           &sof_tplg_ops, fw,
3197                                           SND_SOC_TPLG_INDEX_ALL);
3198         if (ret < 0) {
3199                 dev_err(sdev->dev, "error: tplg component load failed %d\n",
3200                         ret);
3201                 ret = -EINVAL;
3202         }
3203
3204         release_firmware(fw);
3205         return ret;
3206 }
3207 EXPORT_SYMBOL(snd_sof_load_topology);