qcom/sdm845.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2018, The Linux Foundation. All rights reserved.
   4  */
   5
   6 #include <linux/module.h>
   7 #include <linux/platform_device.h>
   8 #include <linux/of_device.h>
   9 #include <sound/core.h>
  10 #include <sound/pcm.h>
  11 #include <sound/pcm_params.h>
  12 #include <sound/jack.h>
  13 #include <sound/soc.h>
  14 #include <linux/soundwire/sdw.h>
  15 #include <uapi/linux/input-event-codes.h>
  16 #include "common.h"
  17 #include "qdsp6/q6afe.h"
  18 #include "../codecs/rt5663.h"
  19
  20 #define DRIVER_NAME     "sdm845"
  21 #define DEFAULT_SAMPLE_RATE_48K         48000
  22 #define DEFAULT_MCLK_RATE               24576000
  23 #define TDM_BCLK_RATE           6144000
  24 #define MI2S_BCLK_RATE          1536000
  25 #define LEFT_SPK_TDM_TX_MASK    0x30
  26 #define RIGHT_SPK_TDM_TX_MASK   0xC0
  27 #define SPK_TDM_RX_MASK         0x03
  28 #define NUM_TDM_SLOTS           8
  29 #define SLIM_MAX_TX_PORTS 16
  30 #define SLIM_MAX_RX_PORTS 13
  31 #define WCD934X_DEFAULT_MCLK_RATE       9600000
  32
  33 struct sdm845_snd_data {
  34         struct snd_soc_jack jack;
  35         bool jack_setup;
  36         bool slim_port_setup;
  37         bool stream_prepared[AFE_PORT_MAX];
  38         struct snd_soc_card *card;
  39         uint32_t pri_mi2s_clk_count;
  40         uint32_t sec_mi2s_clk_count;
  41         uint32_t quat_tdm_clk_count;
  42         struct sdw_stream_runtime *sruntime[AFE_PORT_MAX];
  43 };
  44
  45 static unsigned int tdm_slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28};
  46
  47 static int sdm845_slim_snd_hw_params(struct snd_pcm_substream *substream,
  48                                      struct snd_pcm_hw_params *params)
  49 {
  50         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
  51         struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
  52         struct snd_soc_dai *codec_dai;
  53         struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(rtd->card);
  54         u32 rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS];
  55         struct sdw_stream_runtime *sruntime;
  56         u32 rx_ch_cnt = 0, tx_ch_cnt = 0;
  57         int ret = 0, i;
  58
  59         for_each_rtd_codec_dais(rtd, i, codec_dai) {
  60                 sruntime = snd_soc_dai_get_stream(codec_dai,
  61                                                   substream->stream);
  62                 if (sruntime != ERR_PTR(-ENOTSUPP))
  63                         pdata->sruntime[cpu_dai->id] = sruntime;
  64
  65                 ret = snd_soc_dai_get_channel_map(codec_dai,
  66                                 &tx_ch_cnt, tx_ch, &rx_ch_cnt, rx_ch);
  67
  68                 if (ret != 0 && ret != -ENOTSUPP) {
  69                         pr_err("failed to get codec chan map, err:%d\n", ret);
  70                         return ret;
  71                 } else if (ret == -ENOTSUPP) {
  72                         /* Ignore unsupported */
  73                         continue;
  74                 }
  75
  76                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
  77                         ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,
  78                                                           rx_ch_cnt, rx_ch);
  79                 else
  80                         ret = snd_soc_dai_set_channel_map(cpu_dai, tx_ch_cnt,
  81                                                           tx_ch, 0, NULL);
  82         }
  83
  84         return 0;
  85 }
  86
  87 static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream,
  88                                         struct snd_pcm_hw_params *params)
  89 {
  90         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
  91         struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
  92         struct snd_soc_dai *codec_dai;
  93         int ret = 0, j;
  94         int channels, slot_width;
  95
  96         switch (params_format(params)) {
  97         case SNDRV_PCM_FORMAT_S16_LE:
  98                 slot_width = 16;
  99                 break;
 100         default:
 101                 dev_err(rtd->dev, "%s: invalid param format 0x%x\n",
 102                                 __func__, params_format(params));
 103                 return -EINVAL;
 104         }
 105
 106         channels = params_channels(params);
 107         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 108                 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0x3,
 109                                 8, slot_width);
 110                 if (ret < 0) {
 111                         dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n",
 112                                         __func__, ret);
 113                         goto end;
 114                 }
 115
 116                 ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,
 117                                 channels, tdm_slot_offset);
 118                 if (ret < 0) {
 119                         dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n",
 120                                         __func__, ret);
 121                         goto end;
 122                 }
 123         } else {
 124                 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xf, 0,
 125                                 8, slot_width);
 126                 if (ret < 0) {
 127                         dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n",
 128                                         __func__, ret);
 129                         goto end;
 130                 }
 131
 132                 ret = snd_soc_dai_set_channel_map(cpu_dai, channels,
 133                                 tdm_slot_offset, 0, NULL);
 134                 if (ret < 0) {
 135                         dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n",
 136                                         __func__, ret);
 137                         goto end;
 138                 }
 139         }
 140
 141         for_each_rtd_codec_dais(rtd, j, codec_dai) {
 142
 143                 if (!strcmp(codec_dai->component->name_prefix, "Left")) {
 144                         ret = snd_soc_dai_set_tdm_slot(
 145                                         codec_dai, LEFT_SPK_TDM_TX_MASK,
 146                                         SPK_TDM_RX_MASK, NUM_TDM_SLOTS,
 147                                         slot_width);
 148                         if (ret < 0) {
 149                                 dev_err(rtd->dev,
 150                                         "DEV0 TDM slot err:%d\n", ret);
 151                                 return ret;
 152                         }
 153                 }
 154
 155                 if (!strcmp(codec_dai->component->name_prefix, "Right")) {
 156                         ret = snd_soc_dai_set_tdm_slot(
 157                                         codec_dai, RIGHT_SPK_TDM_TX_MASK,
 158                                         SPK_TDM_RX_MASK, NUM_TDM_SLOTS,
 159                                         slot_width);
 160                         if (ret < 0) {
 161                                 dev_err(rtd->dev,
 162                                         "DEV1 TDM slot err:%d\n", ret);
 163                                 return ret;
 164                         }
 165                 }
 166         }
 167
 168 end:
 169         return ret;
 170 }
 171
 172 static int sdm845_snd_hw_params(struct snd_pcm_substream *substream,
 173                                         struct snd_pcm_hw_params *params)
 174 {
 175         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 176         struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
 177         struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 178         int ret = 0;
 179
 180         switch (cpu_dai->id) {
 181         case PRIMARY_MI2S_RX:
 182         case PRIMARY_MI2S_TX:
 183                 /*
 184                  * Use ASRC for internal clocks, as PLL rate isn't multiple
 185                  * of BCLK.
 186                  */
 187                 rt5663_sel_asrc_clk_src(
 188                         codec_dai->component,
 189                         RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
 190                         RT5663_CLK_SEL_I2S1_ASRC);
 191                 ret = snd_soc_dai_set_sysclk(
 192                         codec_dai, RT5663_SCLK_S_MCLK, DEFAULT_MCLK_RATE,
 193                         SND_SOC_CLOCK_IN);
 194                 if (ret < 0)
 195                         dev_err(rtd->dev,
 196                                 "snd_soc_dai_set_sysclk err = %d\n", ret);
 197                 break;
 198         case QUATERNARY_TDM_RX_0:
 199         case QUATERNARY_TDM_TX_0:
 200                 ret = sdm845_tdm_snd_hw_params(substream, params);
 201                 break;
 202         case SLIMBUS_0_RX...SLIMBUS_6_TX:
 203                 ret = sdm845_slim_snd_hw_params(substream, params);
 204                 break;
 205         case QUATERNARY_MI2S_RX:
 206                 break;
 207         default:
 208                 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
 209                 break;
 210         }
 211         return ret;
 212 }
 213
 214 static void sdm845_jack_free(struct snd_jack *jack)
 215 {
 216         struct snd_soc_component *component = jack->private_data;
 217
 218         snd_soc_component_set_jack(component, NULL, NULL);
 219 }
 220
 221 static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd)
 222 {
 223         struct snd_soc_component *component;
 224         struct snd_soc_card *card = rtd->card;
 225         struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 226         struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
 227         struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(card);
 228         struct snd_soc_dai_link *link = rtd->dai_link;
 229         struct snd_jack *jack;
 230         /*
 231          * Codec SLIMBUS configuration
 232          * RX1, RX2, RX3, RX4, RX5, RX6, RX7, RX8, RX9, RX10, RX11, RX12, RX13
 233          * TX1, TX2, TX3, TX4, TX5, TX6, TX7, TX8, TX9, TX10, TX11, TX12, TX13
 234          * TX14, TX15, TX16
 235          */
 236         unsigned int rx_ch[SLIM_MAX_RX_PORTS] = {144, 145, 146, 147, 148, 149,
 237                                         150, 151, 152, 153, 154, 155, 156};
 238         unsigned int tx_ch[SLIM_MAX_TX_PORTS] = {128, 129, 130, 131, 132, 133,
 239                                             134, 135, 136, 137, 138, 139,
 240                                             140, 141, 142, 143};
 241         int rval, i;
 242
 243
 244         if (!pdata->jack_setup) {
 245                 rval = snd_soc_card_jack_new(card, "Headset Jack",
 246                                 SND_JACK_HEADSET |
 247                                 SND_JACK_HEADPHONE |
 248                                 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 249                                 SND_JACK_BTN_2 | SND_JACK_BTN_3,
 250                                 &pdata->jack);
 251
 252                 if (rval < 0) {
 253                         dev_err(card->dev, "Unable to add Headphone Jack\n");
 254                         return rval;
 255                 }
 256
 257                 jack = pdata->jack.jack;
 258
 259                 snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 260                 snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
 261                 snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
 262                 snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
 263                 pdata->jack_setup = true;
 264         }
 265
 266         switch (cpu_dai->id) {
 267         case PRIMARY_MI2S_RX:
 268                 jack  = pdata->jack.jack;
 269                 component = codec_dai->component;
 270
 271                 jack->private_data = component;
 272                 jack->private_free = sdm845_jack_free;
 273                 rval = snd_soc_component_set_jack(component,
 274                                                   &pdata->jack, NULL);
 275                 if (rval != 0 && rval != -ENOTSUPP) {
 276                         dev_warn(card->dev, "Failed to set jack: %d\n", rval);
 277                         return rval;
 278                 }
 279                 break;
 280         case SLIMBUS_0_RX...SLIMBUS_6_TX:
 281                 /* setting up wcd multiple times for slim port is redundant */
 282                 if (pdata->slim_port_setup || !link->no_pcm)
 283                         return 0;
 284
 285                 for_each_rtd_codec_dais(rtd, i, codec_dai) {
 286                         rval = snd_soc_dai_set_channel_map(codec_dai,
 287                                                           ARRAY_SIZE(tx_ch),
 288                                                           tx_ch,
 289                                                           ARRAY_SIZE(rx_ch),
 290                                                           rx_ch);
 291                         if (rval != 0 && rval != -ENOTSUPP)
 292                                 return rval;
 293
 294                         snd_soc_dai_set_sysclk(codec_dai, 0,
 295                                                WCD934X_DEFAULT_MCLK_RATE,
 296                                                SNDRV_PCM_STREAM_PLAYBACK);
 297
 298                         rval = snd_soc_component_set_jack(codec_dai->component,
 299                                                           &pdata->jack, NULL);
 300                         if (rval != 0 && rval != -ENOTSUPP) {
 301                                 dev_warn(card->dev, "Failed to set jack: %d\n", rval);
 302                                 return rval;
 303                         }
 304                 }
 305
 306                 pdata->slim_port_setup = true;
 307
 308                 break;
 309         default:
 310                 break;
 311         }
 312
 313         return 0;
 314 }
 315
 316
 317 static int sdm845_snd_startup(struct snd_pcm_substream *substream)
 318 {
 319         unsigned int fmt = SND_SOC_DAIFMT_BP_FP;
 320         unsigned int codec_dai_fmt = SND_SOC_DAIFMT_BC_FC;
 321         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 322         struct snd_soc_card *card = rtd->card;
 323         struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
 324         struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
 325         struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 326         int j;
 327         int ret;
 328
 329         switch (cpu_dai->id) {
 330         case PRIMARY_MI2S_RX:
 331         case PRIMARY_MI2S_TX:
 332                 codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF;
 333                 if (++(data->pri_mi2s_clk_count) == 1) {
 334                         snd_soc_dai_set_sysclk(cpu_dai,
 335                                 Q6AFE_LPASS_CLK_ID_MCLK_1,
 336                                 DEFAULT_MCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
 337                         snd_soc_dai_set_sysclk(cpu_dai,
 338                                 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
 339                                 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
 340                 }
 341                 snd_soc_dai_set_fmt(cpu_dai, fmt);
 342                 snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
 343                 break;
 344
 345         case SECONDARY_MI2S_TX:
 346                 codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S;
 347                 if (++(data->sec_mi2s_clk_count) == 1) {
 348                         snd_soc_dai_set_sysclk(cpu_dai,
 349                                 Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
 350                                 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_CAPTURE);
 351                 }
 352                 snd_soc_dai_set_fmt(cpu_dai, fmt);
 353                 snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
 354                 break;
 355         case QUATERNARY_MI2S_RX:
 356                 snd_soc_dai_set_sysclk(cpu_dai,
 357                         Q6AFE_LPASS_CLK_ID_QUAD_MI2S_IBIT,
 358                         MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
 359                 snd_soc_dai_set_fmt(cpu_dai, fmt);
 360
 361
 362                 break;
 363
 364         case QUATERNARY_TDM_RX_0:
 365         case QUATERNARY_TDM_TX_0:
 366                 if (++(data->quat_tdm_clk_count) == 1) {
 367                         snd_soc_dai_set_sysclk(cpu_dai,
 368                                 Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
 369                                 TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
 370                 }
 371
 372                 codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_B;
 373
 374                 for_each_rtd_codec_dais(rtd, j, codec_dai) {
 375
 376                         if (!strcmp(codec_dai->component->name_prefix,
 377                                     "Left")) {
 378                                 ret = snd_soc_dai_set_fmt(
 379                                                 codec_dai, codec_dai_fmt);
 380                                 if (ret < 0) {
 381                                         dev_err(rtd->dev,
 382                                                 "Left TDM fmt err:%d\n", ret);
 383                                         return ret;
 384                                 }
 385                         }
 386
 387                         if (!strcmp(codec_dai->component->name_prefix,
 388                                     "Right")) {
 389                                 ret = snd_soc_dai_set_fmt(
 390                                                 codec_dai, codec_dai_fmt);
 391                                 if (ret < 0) {
 392                                         dev_err(rtd->dev,
 393                                                 "Right TDM slot err:%d\n", ret);
 394                                         return ret;
 395                                 }
 396                         }
 397                 }
 398                 break;
 399         case SLIMBUS_0_RX...SLIMBUS_6_TX:
 400                 break;
 401
 402         default:
 403                 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
 404                 break;
 405         }
 406         return 0;
 407 }
 408
 409 static void  sdm845_snd_shutdown(struct snd_pcm_substream *substream)
 410 {
 411         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 412         struct snd_soc_card *card = rtd->card;
 413         struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
 414         struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
 415
 416         switch (cpu_dai->id) {
 417         case PRIMARY_MI2S_RX:
 418         case PRIMARY_MI2S_TX:
 419                 if (--(data->pri_mi2s_clk_count) == 0) {
 420                         snd_soc_dai_set_sysclk(cpu_dai,
 421                                 Q6AFE_LPASS_CLK_ID_MCLK_1,
 422                                 0, SNDRV_PCM_STREAM_PLAYBACK);
 423                         snd_soc_dai_set_sysclk(cpu_dai,
 424                                 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
 425                                 0, SNDRV_PCM_STREAM_PLAYBACK);
 426                 }
 427                 break;
 428
 429         case SECONDARY_MI2S_TX:
 430                 if (--(data->sec_mi2s_clk_count) == 0) {
 431                         snd_soc_dai_set_sysclk(cpu_dai,
 432                                 Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
 433                                 0, SNDRV_PCM_STREAM_CAPTURE);
 434                 }
 435                 break;
 436
 437         case QUATERNARY_TDM_RX_0:
 438         case QUATERNARY_TDM_TX_0:
 439                 if (--(data->quat_tdm_clk_count) == 0) {
 440                         snd_soc_dai_set_sysclk(cpu_dai,
 441                                 Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
 442                                 0, SNDRV_PCM_STREAM_PLAYBACK);
 443                 }
 444                 break;
 445         case SLIMBUS_0_RX...SLIMBUS_6_TX:
 446         case QUATERNARY_MI2S_RX:
 447                 break;
 448
 449         default:
 450                 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
 451                 break;
 452         }
 453 }
 454
 455 static int sdm845_snd_prepare(struct snd_pcm_substream *substream)
 456 {
 457         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 458         struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
 459         struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
 460         struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
 461         int ret;
 462
 463         if (!sruntime)
 464                 return 0;
 465
 466         if (data->stream_prepared[cpu_dai->id]) {
 467                 sdw_disable_stream(sruntime);
 468                 sdw_deprepare_stream(sruntime);
 469                 data->stream_prepared[cpu_dai->id] = false;
 470         }
 471
 472         ret = sdw_prepare_stream(sruntime);
 473         if (ret)
 474                 return ret;
 475
 476         /**
 477          * NOTE: there is a strict hw requirement about the ordering of port
 478          * enables and actual WSA881x PA enable. PA enable should only happen
 479          * after soundwire ports are enabled if not DC on the line is
 480          * accumulated resulting in Click/Pop Noise
 481          * PA enable/mute are handled as part of codec DAPM and digital mute.
 482          */
 483
 484         ret = sdw_enable_stream(sruntime);
 485         if (ret) {
 486                 sdw_deprepare_stream(sruntime);
 487                 return ret;
 488         }
 489         data->stream_prepared[cpu_dai->id] = true;
 490
 491         return ret;
 492 }
 493
 494 static int sdm845_snd_hw_free(struct snd_pcm_substream *substream)
 495 {
 496         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 497         struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
 498         struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
 499         struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
 500
 501         if (sruntime && data->stream_prepared[cpu_dai->id]) {
 502                 sdw_disable_stream(sruntime);
 503                 sdw_deprepare_stream(sruntime);
 504                 data->stream_prepared[cpu_dai->id] = false;
 505         }
 506
 507         return 0;
 508 }
 509
 510 static const struct snd_soc_ops sdm845_be_ops = {
 511         .hw_params = sdm845_snd_hw_params,
 512         .hw_free = sdm845_snd_hw_free,
 513         .prepare = sdm845_snd_prepare,
 514         .startup = sdm845_snd_startup,
 515         .shutdown = sdm845_snd_shutdown,
 516 };
 517
 518 static int sdm845_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
 519                                 struct snd_pcm_hw_params *params)
 520 {
 521         struct snd_interval *rate = hw_param_interval(params,
 522                                         SNDRV_PCM_HW_PARAM_RATE);
 523         struct snd_interval *channels = hw_param_interval(params,
 524                                         SNDRV_PCM_HW_PARAM_CHANNELS);
 525         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 526
 527         rate->min = rate->max = DEFAULT_SAMPLE_RATE_48K;
 528         channels->min = channels->max = 2;
 529         snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
 530
 531         return 0;
 532 }
 533
 534 static const struct snd_soc_dapm_widget sdm845_snd_widgets[] = {
 535         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 536         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 537         SND_SOC_DAPM_SPK("Left Spk", NULL),
 538         SND_SOC_DAPM_SPK("Right Spk", NULL),
 539         SND_SOC_DAPM_MIC("Int Mic", NULL),
 540 };
 541
 542 static void sdm845_add_ops(struct snd_soc_card *card)
 543 {
 544         struct snd_soc_dai_link *link;
 545         int i;
 546
 547         for_each_card_prelinks(card, i, link) {
 548                 if (link->no_pcm == 1) {
 549                         link->ops = &sdm845_be_ops;
 550                         link->be_hw_params_fixup = sdm845_be_hw_params_fixup;
 551                 }
 552                 link->init = sdm845_dai_init;
 553         }
 554 }
 555
 556 static int sdm845_snd_platform_probe(struct platform_device *pdev)
 557 {
 558         struct snd_soc_card *card;
 559         struct sdm845_snd_data *data;
 560         struct device *dev = &pdev->dev;
 561         int ret;
 562
 563         card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
 564         if (!card)
 565                 return -ENOMEM;
 566
 567         /* Allocate the private data */
 568         data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
 569         if (!data)
 570                 return -ENOMEM;
 571
 572         card->driver_name = DRIVER_NAME;
 573         card->dapm_widgets = sdm845_snd_widgets;
 574         card->num_dapm_widgets = ARRAY_SIZE(sdm845_snd_widgets);
 575         card->dev = dev;
 576         card->owner = THIS_MODULE;
 577         dev_set_drvdata(dev, card);
 578         ret = qcom_snd_parse_of(card);
 579         if (ret)
 580                 return ret;
 581
 582         data->card = card;
 583         snd_soc_card_set_drvdata(card, data);
 584
 585         sdm845_add_ops(card);
 586         return devm_snd_soc_register_card(dev, card);
 587 }
 588
 589 static const struct of_device_id sdm845_snd_device_id[]  = {
 590         { .compatible = "qcom,sdm845-sndcard" },
 591         { .compatible = "qcom,db845c-sndcard" },
 592         { .compatible = "lenovo,yoga-c630-sndcard" },
 593         {},
 594 };
 595 MODULE_DEVICE_TABLE(of, sdm845_snd_device_id);
 596
 597 static struct platform_driver sdm845_snd_driver = {
 598         .probe = sdm845_snd_platform_probe,
 599         .driver = {
 600                 .name = "msm-snd-sdm845",
 601                 .of_match_table = sdm845_snd_device_id,
 602         },
 603 };
 604 module_platform_driver(sdm845_snd_driver);
 605
 606 MODULE_DESCRIPTION("sdm845 ASoC Machine Driver");
 607 MODULE_LICENSE("GPL v2");