sound/soc/qcom/qdsp6/q6asm-dai.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 // Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.
   3 // Copyright (c) 2018, Linaro Limited
   4
   5 #include <linux/init.h>
   6 #include <linux/err.h>
   7 #include <linux/module.h>
   8 #include <linux/platform_device.h>
   9 #include <linux/slab.h>
  10 #include <sound/soc.h>
  11 #include <sound/soc.h>
  12 #include <sound/soc-dapm.h>
  13 #include <sound/pcm.h>
  14 #include <asm/dma.h>
  15 #include <linux/dma-mapping.h>
  16 #include <linux/of_device.h>
  17 #include <sound/pcm_params.h>
  18 #include "q6asm.h"
  19 #include "q6routing.h"
  20 #include "q6dsp-errno.h"
  21
  22 #define DRV_NAME        "q6asm-fe-dai"
  23
  24 #define PLAYBACK_MIN_NUM_PERIODS    2
  25 #define PLAYBACK_MAX_NUM_PERIODS   8
  26 #define PLAYBACK_MAX_PERIOD_SIZE    65536
  27 #define PLAYBACK_MIN_PERIOD_SIZE    128
  28 #define CAPTURE_MIN_NUM_PERIODS     2
  29 #define CAPTURE_MAX_NUM_PERIODS     8
  30 #define CAPTURE_MAX_PERIOD_SIZE     4096
  31 #define CAPTURE_MIN_PERIOD_SIZE     320
  32 #define SID_MASK_DEFAULT        0xF
  33
  34 enum stream_state {
  35         Q6ASM_STREAM_IDLE = 0,
  36         Q6ASM_STREAM_STOPPED,
  37         Q6ASM_STREAM_RUNNING,
  38 };
  39
  40 struct q6asm_dai_rtd {
  41         struct snd_pcm_substream *substream;
  42         phys_addr_t phys;
  43         unsigned int pcm_size;
  44         unsigned int pcm_count;
  45         unsigned int pcm_irq_pos;       /* IRQ position */
  46         unsigned int periods;
  47         uint16_t bits_per_sample;
  48         uint16_t source; /* Encoding source bit mask */
  49         struct audio_client *audio_client;
  50         uint16_t session_id;
  51         enum stream_state state;
  52 };
  53
  54 struct q6asm_dai_data {
  55         long long int sid;
  56 };
  57
  58 static struct snd_pcm_hardware q6asm_dai_hardware_capture = {
  59         .info =                 (SNDRV_PCM_INFO_MMAP |
  60                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
  61                                 SNDRV_PCM_INFO_MMAP_VALID |
  62                                 SNDRV_PCM_INFO_INTERLEAVED |
  63                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME),
  64         .formats =              (SNDRV_PCM_FMTBIT_S16_LE |
  65                                 SNDRV_PCM_FMTBIT_S24_LE),
  66         .rates =                SNDRV_PCM_RATE_8000_48000,
  67         .rate_min =             8000,
  68         .rate_max =             48000,
  69         .channels_min =         1,
  70         .channels_max =         4,
  71         .buffer_bytes_max =     CAPTURE_MAX_NUM_PERIODS *
  72                                 CAPTURE_MAX_PERIOD_SIZE,
  73         .period_bytes_min =     CAPTURE_MIN_PERIOD_SIZE,
  74         .period_bytes_max =     CAPTURE_MAX_PERIOD_SIZE,
  75         .periods_min =          CAPTURE_MIN_NUM_PERIODS,
  76         .periods_max =          CAPTURE_MAX_NUM_PERIODS,
  77         .fifo_size =            0,
  78 };
  79
  80 static struct snd_pcm_hardware q6asm_dai_hardware_playback = {
  81         .info =                 (SNDRV_PCM_INFO_MMAP |
  82                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
  83                                 SNDRV_PCM_INFO_MMAP_VALID |
  84                                 SNDRV_PCM_INFO_INTERLEAVED |
  85                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME),
  86         .formats =              (SNDRV_PCM_FMTBIT_S16_LE |
  87                                 SNDRV_PCM_FMTBIT_S24_LE),
  88         .rates =                SNDRV_PCM_RATE_8000_192000,
  89         .rate_min =             8000,
  90         .rate_max =             192000,
  91         .channels_min =         1,
  92         .channels_max =         8,
  93         .buffer_bytes_max =     (PLAYBACK_MAX_NUM_PERIODS *
  94                                 PLAYBACK_MAX_PERIOD_SIZE),
  95         .period_bytes_min =     PLAYBACK_MIN_PERIOD_SIZE,
  96         .period_bytes_max =     PLAYBACK_MAX_PERIOD_SIZE,
  97         .periods_min =          PLAYBACK_MIN_NUM_PERIODS,
  98         .periods_max =          PLAYBACK_MAX_NUM_PERIODS,
  99         .fifo_size =            0,
 100 };
 101
 102 #define Q6ASM_FEDAI_DRIVER(num) { \
 103                 .playback = {                                           \
 104                         .stream_name = "MultiMedia"#num" Playback",     \
 105                         .rates = (SNDRV_PCM_RATE_8000_192000|           \
 106                                         SNDRV_PCM_RATE_KNOT),           \
 107                         .formats = (SNDRV_PCM_FMTBIT_S16_LE |           \
 108                                         SNDRV_PCM_FMTBIT_S24_LE),       \
 109                         .channels_min = 1,                              \
 110                         .channels_max = 8,                              \
 111                         .rate_min =     8000,                           \
 112                         .rate_max =     192000,                         \
 113                 },                                                      \
 114                 .capture = {                                            \
 115                         .stream_name = "MultiMedia"#num" Capture",      \
 116                         .rates = (SNDRV_PCM_RATE_8000_48000|            \
 117                                         SNDRV_PCM_RATE_KNOT),           \
 118                         .formats = (SNDRV_PCM_FMTBIT_S16_LE |           \
 119                                     SNDRV_PCM_FMTBIT_S24_LE),           \
 120                         .channels_min = 1,                              \
 121                         .channels_max = 4,                              \
 122                         .rate_min =     8000,                           \
 123                         .rate_max =     48000,                          \
 124                 },                                                      \
 125                 .name = "MultiMedia"#num,                               \
 126                 .probe = fe_dai_probe,                                  \
 127                 .id = MSM_FRONTEND_DAI_MULTIMEDIA##num,                 \
 128         }
 129
 130 /* Conventional and unconventional sample rate supported */
 131 static unsigned int supported_sample_rates[] = {
 132         8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000,
 133         88200, 96000, 176400, 192000
 134 };
 135
 136 static struct snd_pcm_hw_constraint_list constraints_sample_rates = {
 137         .count = ARRAY_SIZE(supported_sample_rates),
 138         .list = supported_sample_rates,
 139         .mask = 0,
 140 };
 141
 142 static void event_handler(uint32_t opcode, uint32_t token,
 143                           uint32_t *payload, void *priv)
 144 {
 145         struct q6asm_dai_rtd *prtd = priv;
 146         struct snd_pcm_substream *substream = prtd->substream;
 147
 148         switch (opcode) {
 149         case ASM_CLIENT_EVENT_CMD_RUN_DONE:
 150                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 151                         q6asm_write_async(prtd->audio_client,
 152                                    prtd->pcm_count, 0, 0, NO_TIMESTAMP);
 153                 break;
 154         case ASM_CLIENT_EVENT_CMD_EOS_DONE:
 155                 prtd->state = Q6ASM_STREAM_STOPPED;
 156                 break;
 157         case ASM_CLIENT_EVENT_DATA_WRITE_DONE: {
 158                 prtd->pcm_irq_pos += prtd->pcm_count;
 159                 snd_pcm_period_elapsed(substream);
 160                 if (prtd->state == Q6ASM_STREAM_RUNNING)
 161                         q6asm_write_async(prtd->audio_client,
 162                                            prtd->pcm_count, 0, 0, NO_TIMESTAMP);
 163
 164                 break;
 165                 }
 166         case ASM_CLIENT_EVENT_DATA_READ_DONE:
 167                 prtd->pcm_irq_pos += prtd->pcm_count;
 168                 snd_pcm_period_elapsed(substream);
 169                 if (prtd->state == Q6ASM_STREAM_RUNNING)
 170                         q6asm_read(prtd->audio_client);
 171
 172                 break;
 173         default:
 174                 break;
 175         }
 176 }
 177
 178 static int q6asm_dai_prepare(struct snd_pcm_substream *substream)
 179 {
 180         struct snd_pcm_runtime *runtime = substream->runtime;
 181         struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
 182         struct q6asm_dai_rtd *prtd = runtime->private_data;
 183         struct snd_soc_component *c = snd_soc_rtdcom_lookup(soc_prtd, DRV_NAME);
 184         struct q6asm_dai_data *pdata;
 185         int ret, i;
 186
 187         pdata = snd_soc_component_get_drvdata(c);
 188         if (!pdata)
 189                 return -EINVAL;
 190
 191         if (!prtd || !prtd->audio_client) {
 192                 pr_err("%s: private data null or audio client freed\n",
 193                         __func__);
 194                 return -EINVAL;
 195         }
 196
 197         prtd->pcm_count = snd_pcm_lib_period_bytes(substream);
 198         prtd->pcm_irq_pos = 0;
 199         /* rate and channels are sent to audio driver */
 200         if (prtd->state) {
 201                 /* clear the previous setup if any  */
 202                 q6asm_cmd(prtd->audio_client, CMD_CLOSE);
 203                 q6asm_unmap_memory_regions(substream->stream,
 204                                            prtd->audio_client);
 205                 q6routing_stream_close(soc_prtd->dai_link->id,
 206                                          substream->stream);
 207         }
 208
 209         ret = q6asm_map_memory_regions(substream->stream, prtd->audio_client,
 210                                        prtd->phys,
 211                                        (prtd->pcm_size / prtd->periods),
 212                                        prtd->periods);
 213
 214         if (ret < 0) {
 215                 pr_err("Audio Start: Buffer Allocation failed rc = %d\n",
 216                                                         ret);
 217                 return -ENOMEM;
 218         }
 219
 220         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 221                 ret = q6asm_open_write(prtd->audio_client, FORMAT_LINEAR_PCM,
 222                                        prtd->bits_per_sample);
 223         } else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
 224                 ret = q6asm_open_read(prtd->audio_client, FORMAT_LINEAR_PCM,
 225                                        prtd->bits_per_sample);
 226         }
 227
 228         if (ret < 0) {
 229                 pr_err("%s: q6asm_open_write failed\n", __func__);
 230                 q6asm_audio_client_free(prtd->audio_client);
 231                 prtd->audio_client = NULL;
 232                 return -ENOMEM;
 233         }
 234
 235         prtd->session_id = q6asm_get_session_id(prtd->audio_client);
 236         ret = q6routing_stream_open(soc_prtd->dai_link->id, LEGACY_PCM_MODE,
 237                               prtd->session_id, substream->stream);
 238         if (ret) {
 239                 pr_err("%s: stream reg failed ret:%d\n", __func__, ret);
 240                 return ret;
 241         }
 242
 243         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 244                 ret = q6asm_media_format_block_multi_ch_pcm(
 245                                 prtd->audio_client, runtime->rate,
 246                                 runtime->channels, NULL,
 247                                 prtd->bits_per_sample);
 248         } else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
 249                 ret = q6asm_enc_cfg_blk_pcm_format_support(prtd->audio_client,
 250                                         runtime->rate, runtime->channels,
 251                                         prtd->bits_per_sample);
 252
 253                 /* Queue the buffers */
 254                 for (i = 0; i < runtime->periods; i++)
 255                         q6asm_read(prtd->audio_client);
 256
 257         }
 258         if (ret < 0)
 259                 pr_info("%s: CMD Format block failed\n", __func__);
 260
 261         prtd->state = Q6ASM_STREAM_RUNNING;
 262
 263         return 0;
 264 }
 265
 266 static int q6asm_dai_trigger(struct snd_pcm_substream *substream, int cmd)
 267 {
 268         int ret = 0;
 269         struct snd_pcm_runtime *runtime = substream->runtime;
 270         struct q6asm_dai_rtd *prtd = runtime->private_data;
 271
 272         switch (cmd) {
 273         case SNDRV_PCM_TRIGGER_START:
 274         case SNDRV_PCM_TRIGGER_RESUME:
 275         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 276                 ret = q6asm_run_nowait(prtd->audio_client, 0, 0, 0);
 277                 break;
 278         case SNDRV_PCM_TRIGGER_STOP:
 279                 prtd->state = Q6ASM_STREAM_STOPPED;
 280                 ret = q6asm_cmd_nowait(prtd->audio_client, CMD_EOS);
 281                 break;
 282         case SNDRV_PCM_TRIGGER_SUSPEND:
 283         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 284                 ret = q6asm_cmd_nowait(prtd->audio_client, CMD_PAUSE);
 285                 break;
 286         default:
 287                 ret = -EINVAL;
 288                 break;
 289         }
 290
 291         return ret;
 292 }
 293
 294 static int q6asm_dai_open(struct snd_pcm_substream *substream)
 295 {
 296         struct snd_pcm_runtime *runtime = substream->runtime;
 297         struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
 298         struct snd_soc_dai *cpu_dai = soc_prtd->cpu_dai;
 299         struct snd_soc_component *c = snd_soc_rtdcom_lookup(soc_prtd, DRV_NAME);
 300         struct q6asm_dai_rtd *prtd;
 301         struct q6asm_dai_data *pdata;
 302         struct device *dev = c->dev;
 303         int ret = 0;
 304         int stream_id;
 305
 306         stream_id = cpu_dai->driver->id;
 307
 308         pdata = snd_soc_component_get_drvdata(c);
 309         if (!pdata) {
 310                 pr_err("Drv data not found ..\n");
 311                 return -EINVAL;
 312         }
 313
 314         prtd = kzalloc(sizeof(struct q6asm_dai_rtd), GFP_KERNEL);
 315         if (prtd == NULL)
 316                 return -ENOMEM;
 317
 318         prtd->substream = substream;
 319         prtd->audio_client = q6asm_audio_client_alloc(dev,
 320                                 (q6asm_cb)event_handler, prtd, stream_id,
 321                                 LEGACY_PCM_MODE);
 322         if (IS_ERR(prtd->audio_client)) {
 323                 pr_info("%s: Could not allocate memory\n", __func__);
 324                 ret = PTR_ERR(prtd->audio_client);
 325                 kfree(prtd);
 326                 return ret;
 327         }
 328
 329         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 330                 runtime->hw = q6asm_dai_hardware_playback;
 331         else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
 332                 runtime->hw = q6asm_dai_hardware_capture;
 333
 334         ret = snd_pcm_hw_constraint_list(runtime, 0,
 335                                 SNDRV_PCM_HW_PARAM_RATE,
 336                                 &constraints_sample_rates);
 337         if (ret < 0)
 338                 pr_info("snd_pcm_hw_constraint_list failed\n");
 339         /* Ensure that buffer size is a multiple of period size */
 340         ret = snd_pcm_hw_constraint_integer(runtime,
 341                                             SNDRV_PCM_HW_PARAM_PERIODS);
 342         if (ret < 0)
 343                 pr_info("snd_pcm_hw_constraint_integer failed\n");
 344
 345         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 346                 ret = snd_pcm_hw_constraint_minmax(runtime,
 347                         SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
 348                         PLAYBACK_MIN_NUM_PERIODS * PLAYBACK_MIN_PERIOD_SIZE,
 349                         PLAYBACK_MAX_NUM_PERIODS * PLAYBACK_MAX_PERIOD_SIZE);
 350                 if (ret < 0) {
 351                         pr_err("constraint for buffer bytes min max ret = %d\n",
 352                                                                         ret);
 353                 }
 354         }
 355
 356         ret = snd_pcm_hw_constraint_step(runtime, 0,
 357                 SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
 358         if (ret < 0) {
 359                 pr_err("constraint for period bytes step ret = %d\n",
 360                                                                 ret);
 361         }
 362         ret = snd_pcm_hw_constraint_step(runtime, 0,
 363                 SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 32);
 364         if (ret < 0) {
 365                 pr_err("constraint for buffer bytes step ret = %d\n",
 366                                                                 ret);
 367         }
 368
 369         runtime->private_data = prtd;
 370
 371         snd_soc_set_runtime_hwparams(substream, &q6asm_dai_hardware_playback);
 372
 373         runtime->dma_bytes = q6asm_dai_hardware_playback.buffer_bytes_max;
 374
 375
 376         if (pdata->sid < 0)
 377                 prtd->phys = substream->dma_buffer.addr;
 378         else
 379                 prtd->phys = substream->dma_buffer.addr | (pdata->sid << 32);
 380
 381         snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
 382
 383         return 0;
 384 }
 385
 386 static int q6asm_dai_close(struct snd_pcm_substream *substream)
 387 {
 388         struct snd_pcm_runtime *runtime = substream->runtime;
 389         struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
 390         struct q6asm_dai_rtd *prtd = runtime->private_data;
 391
 392         if (prtd->audio_client) {
 393                 if (prtd->state)
 394                         q6asm_cmd(prtd->audio_client, CMD_CLOSE);
 395
 396                 q6asm_unmap_memory_regions(substream->stream,
 397                                            prtd->audio_client);
 398                 q6asm_audio_client_free(prtd->audio_client);
 399                 prtd->audio_client = NULL;
 400         }
 401         q6routing_stream_close(soc_prtd->dai_link->id,
 402                                                 substream->stream);
 403         kfree(prtd);
 404         return 0;
 405 }
 406
 407 static snd_pcm_uframes_t q6asm_dai_pointer(struct snd_pcm_substream *substream)
 408 {
 409
 410         struct snd_pcm_runtime *runtime = substream->runtime;
 411         struct q6asm_dai_rtd *prtd = runtime->private_data;
 412
 413         if (prtd->pcm_irq_pos >= prtd->pcm_size)
 414                 prtd->pcm_irq_pos = 0;
 415
 416         return bytes_to_frames(runtime, (prtd->pcm_irq_pos));
 417 }
 418
 419 static int q6asm_dai_mmap(struct snd_pcm_substream *substream,
 420                                 struct vm_area_struct *vma)
 421 {
 422
 423         struct snd_pcm_runtime *runtime = substream->runtime;
 424         struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
 425         struct snd_soc_component *c = snd_soc_rtdcom_lookup(soc_prtd, DRV_NAME);
 426         struct device *dev = c->dev;
 427
 428         return dma_mmap_coherent(dev, vma,
 429                         runtime->dma_area, runtime->dma_addr,
 430                         runtime->dma_bytes);
 431 }
 432
 433 static int q6asm_dai_hw_params(struct snd_pcm_substream *substream,
 434                                 struct snd_pcm_hw_params *params)
 435 {
 436         struct snd_pcm_runtime *runtime = substream->runtime;
 437         struct q6asm_dai_rtd *prtd = runtime->private_data;
 438
 439         prtd->pcm_size = params_buffer_bytes(params);
 440         prtd->periods = params_periods(params);
 441
 442         switch (params_format(params)) {
 443         case SNDRV_PCM_FORMAT_S16_LE:
 444                 prtd->bits_per_sample = 16;
 445                 break;
 446         case SNDRV_PCM_FORMAT_S24_LE:
 447                 prtd->bits_per_sample = 24;
 448                 break;
 449         }
 450
 451         return 0;
 452 }
 453
 454 static struct snd_pcm_ops q6asm_dai_ops = {
 455         .open           = q6asm_dai_open,
 456         .hw_params      = q6asm_dai_hw_params,
 457         .close          = q6asm_dai_close,
 458         .ioctl          = snd_pcm_lib_ioctl,
 459         .prepare        = q6asm_dai_prepare,
 460         .trigger        = q6asm_dai_trigger,
 461         .pointer        = q6asm_dai_pointer,
 462         .mmap           = q6asm_dai_mmap,
 463 };
 464
 465 static int q6asm_dai_pcm_new(struct snd_soc_pcm_runtime *rtd)
 466 {
 467         struct snd_pcm_substream *psubstream, *csubstream;
 468         struct snd_soc_component *c = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 469         struct snd_pcm *pcm = rtd->pcm;
 470         struct device *dev;
 471         int size, ret;
 472
 473         dev = c->dev;
 474         size = q6asm_dai_hardware_playback.buffer_bytes_max;
 475         psubstream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
 476         if (psubstream) {
 477                 ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dev, size,
 478                                           &psubstream->dma_buffer);
 479                 if (ret) {
 480                         dev_err(dev, "Cannot allocate buffer(s)\n");
 481                         return ret;
 482                 }
 483         }
 484
 485         csubstream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
 486         if (csubstream) {
 487                 ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dev, size,
 488                                           &csubstream->dma_buffer);
 489                 if (ret) {
 490                         dev_err(dev, "Cannot allocate buffer(s)\n");
 491                         if (psubstream)
 492                                 snd_dma_free_pages(&psubstream->dma_buffer);
 493                         return ret;
 494                 }
 495         }
 496
 497         return ret;
 498 }
 499
 500 static void q6asm_dai_pcm_free(struct snd_pcm *pcm)
 501 {
 502         struct snd_pcm_substream *substream;
 503         int i;
 504
 505         for (i = 0; i < ARRAY_SIZE(pcm->streams); i++) {
 506                 substream = pcm->streams[i].substream;
 507                 if (substream) {
 508                         snd_dma_free_pages(&substream->dma_buffer);
 509                         substream->dma_buffer.area = NULL;
 510                         substream->dma_buffer.addr = 0;
 511                 }
 512         }
 513 }
 514
 515 static const struct snd_soc_dapm_route afe_pcm_routes[] = {
 516         {"MM_DL1",  NULL, "MultiMedia1 Playback" },
 517         {"MM_DL2",  NULL, "MultiMedia2 Playback" },
 518         {"MM_DL3",  NULL, "MultiMedia3 Playback" },
 519         {"MM_DL4",  NULL, "MultiMedia4 Playback" },
 520         {"MM_DL5",  NULL, "MultiMedia5 Playback" },
 521         {"MM_DL6",  NULL, "MultiMedia6 Playback" },
 522         {"MM_DL7",  NULL, "MultiMedia7 Playback" },
 523         {"MM_DL7",  NULL, "MultiMedia8 Playback" },
 524         {"MultiMedia1 Capture", NULL, "MM_UL1"},
 525         {"MultiMedia2 Capture", NULL, "MM_UL2"},
 526         {"MultiMedia3 Capture", NULL, "MM_UL3"},
 527         {"MultiMedia4 Capture", NULL, "MM_UL4"},
 528         {"MultiMedia5 Capture", NULL, "MM_UL5"},
 529         {"MultiMedia6 Capture", NULL, "MM_UL6"},
 530         {"MultiMedia7 Capture", NULL, "MM_UL7"},
 531         {"MultiMedia8 Capture", NULL, "MM_UL8"},
 532
 533 };
 534
 535 static int fe_dai_probe(struct snd_soc_dai *dai)
 536 {
 537         struct snd_soc_dapm_context *dapm;
 538
 539         dapm = snd_soc_component_get_dapm(dai->component);
 540         snd_soc_dapm_add_routes(dapm, afe_pcm_routes,
 541                                 ARRAY_SIZE(afe_pcm_routes));
 542
 543         return 0;
 544 }
 545
 546
 547 static const struct snd_soc_component_driver q6asm_fe_dai_component = {
 548         .name           = DRV_NAME,
 549         .ops            = &q6asm_dai_ops,
 550         .pcm_new        = q6asm_dai_pcm_new,
 551         .pcm_free       = q6asm_dai_pcm_free,
 552
 553 };
 554
 555 static struct snd_soc_dai_driver q6asm_fe_dais[] = {
 556         Q6ASM_FEDAI_DRIVER(1),
 557         Q6ASM_FEDAI_DRIVER(2),
 558         Q6ASM_FEDAI_DRIVER(3),
 559         Q6ASM_FEDAI_DRIVER(4),
 560         Q6ASM_FEDAI_DRIVER(5),
 561         Q6ASM_FEDAI_DRIVER(6),
 562         Q6ASM_FEDAI_DRIVER(7),
 563         Q6ASM_FEDAI_DRIVER(8),
 564 };
 565
 566 static int q6asm_dai_probe(struct platform_device *pdev)
 567 {
 568         struct device *dev = &pdev->dev;
 569         struct device_node *node = dev->of_node;
 570         struct of_phandle_args args;
 571         struct q6asm_dai_data *pdata;
 572         int rc;
 573
 574         pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
 575         if (!pdata)
 576                 return -ENOMEM;
 577
 578         rc = of_parse_phandle_with_fixed_args(node, "iommus", 1, 0, &args);
 579         if (rc < 0)
 580                 pdata->sid = -1;
 581         else
 582                 pdata->sid = args.args[0] & SID_MASK_DEFAULT;
 583
 584         dev_set_drvdata(dev, pdata);
 585
 586         return devm_snd_soc_register_component(dev, &q6asm_fe_dai_component,
 587                                         q6asm_fe_dais,
 588                                         ARRAY_SIZE(q6asm_fe_dais));
 589 }
 590
 591 static const struct of_device_id q6asm_dai_device_id[] = {
 592         { .compatible = "qcom,q6asm-dais" },
 593         {},
 594 };
 595 MODULE_DEVICE_TABLE(of, q6asm_dai_device_id);
 596
 597 static struct platform_driver q6asm_dai_platform_driver = {
 598         .driver = {
 599                 .name = "q6asm-dai",
 600                 .of_match_table = of_match_ptr(q6asm_dai_device_id),
 601         },
 602         .probe = q6asm_dai_probe,
 603 };
 604 module_platform_driver(q6asm_dai_platform_driver);
 605
 606 MODULE_DESCRIPTION("Q6ASM dai driver");
 607 MODULE_LICENSE("GPL v2");