include/sound/soc-dai.h

   1 /* SPDX-License-Identifier: GPL-2.0
   2  *
   3  * linux/sound/soc-dai.h -- ALSA SoC Layer
   4  *
   5  * Copyright:   2005-2008 Wolfson Microelectronics. PLC.
   6  *
   7  * Digital Audio Interface (DAI) API.
   8  */
   9
  10 #ifndef __LINUX_SND_SOC_DAI_H
  11 #define __LINUX_SND_SOC_DAI_H
  12
  13
  14 #include <linux/list.h>
  15 #include <sound/asoc.h>
  16
  17 struct snd_pcm_substream;
  18 struct snd_soc_dapm_widget;
  19 struct snd_compr_stream;
  20
  21 /*
  22  * DAI hardware audio formats.
  23  *
  24  * Describes the physical PCM data formating and clocking. Add new formats
  25  * to the end.
  26  */
  27 #define SND_SOC_DAIFMT_I2S              SND_SOC_DAI_FORMAT_I2S
  28 #define SND_SOC_DAIFMT_RIGHT_J          SND_SOC_DAI_FORMAT_RIGHT_J
  29 #define SND_SOC_DAIFMT_LEFT_J           SND_SOC_DAI_FORMAT_LEFT_J
  30 #define SND_SOC_DAIFMT_DSP_A            SND_SOC_DAI_FORMAT_DSP_A
  31 #define SND_SOC_DAIFMT_DSP_B            SND_SOC_DAI_FORMAT_DSP_B
  32 #define SND_SOC_DAIFMT_AC97             SND_SOC_DAI_FORMAT_AC97
  33 #define SND_SOC_DAIFMT_PDM              SND_SOC_DAI_FORMAT_PDM
  34
  35 /* left and right justified also known as MSB and LSB respectively */
  36 #define SND_SOC_DAIFMT_MSB              SND_SOC_DAIFMT_LEFT_J
  37 #define SND_SOC_DAIFMT_LSB              SND_SOC_DAIFMT_RIGHT_J
  38
  39 /* Describes the possible PCM format */
  40 /*
  41  * use SND_SOC_DAI_FORMAT_xx as eash shift.
  42  * see
  43  *      snd_soc_runtime_get_dai_fmt()
  44  */
  45 #define SND_SOC_POSSIBLE_DAIFMT_FORMAT_SHIFT    0
  46 #define SND_SOC_POSSIBLE_DAIFMT_FORMAT_MASK     (0xFFFF << SND_SOC_POSSIBLE_DAIFMT_FORMAT_SHIFT)
  47 #define SND_SOC_POSSIBLE_DAIFMT_I2S             (1 << SND_SOC_DAI_FORMAT_I2S)
  48 #define SND_SOC_POSSIBLE_DAIFMT_RIGHT_J         (1 << SND_SOC_DAI_FORMAT_RIGHT_J)
  49 #define SND_SOC_POSSIBLE_DAIFMT_LEFT_J          (1 << SND_SOC_DAI_FORMAT_LEFT_J)
  50 #define SND_SOC_POSSIBLE_DAIFMT_DSP_A           (1 << SND_SOC_DAI_FORMAT_DSP_A)
  51 #define SND_SOC_POSSIBLE_DAIFMT_DSP_B           (1 << SND_SOC_DAI_FORMAT_DSP_B)
  52 #define SND_SOC_POSSIBLE_DAIFMT_AC97            (1 << SND_SOC_DAI_FORMAT_AC97)
  53 #define SND_SOC_POSSIBLE_DAIFMT_PDM             (1 << SND_SOC_DAI_FORMAT_PDM)
  54
  55 /*
  56  * DAI Clock gating.
  57  *
  58  * DAI bit clocks can be gated (disabled) when the DAI is not
  59  * sending or receiving PCM data in a frame. This can be used to save power.
  60  */
  61 #define SND_SOC_DAIFMT_CONT             (1 << 4) /* continuous clock */
  62 #define SND_SOC_DAIFMT_GATED            (0 << 4) /* clock is gated */
  63
  64 /* Describes the possible PCM format */
  65 /*
  66  * define GATED -> CONT. GATED will be selected if both are selected.
  67  * see
  68  *      snd_soc_runtime_get_dai_fmt()
  69  */
  70 #define SND_SOC_POSSIBLE_DAIFMT_CLOCK_SHIFT     16
  71 #define SND_SOC_POSSIBLE_DAIFMT_CLOCK_MASK      (0xFFFF << SND_SOC_POSSIBLE_DAIFMT_CLOCK_SHIFT)
  72 #define SND_SOC_POSSIBLE_DAIFMT_GATED           (0x1ULL << SND_SOC_POSSIBLE_DAIFMT_CLOCK_SHIFT)
  73 #define SND_SOC_POSSIBLE_DAIFMT_CONT            (0x2ULL << SND_SOC_POSSIBLE_DAIFMT_CLOCK_SHIFT)
  74
  75 /*
  76  * DAI hardware signal polarity.
  77  *
  78  * Specifies whether the DAI can also support inverted clocks for the specified
  79  * format.
  80  *
  81  * BCLK:
  82  * - "normal" polarity means signal is available at rising edge of BCLK
  83  * - "inverted" polarity means signal is available at falling edge of BCLK
  84  *
  85  * FSYNC "normal" polarity depends on the frame format:
  86  * - I2S: frame consists of left then right channel data. Left channel starts
  87  *      with falling FSYNC edge, right channel starts with rising FSYNC edge.
  88  * - Left/Right Justified: frame consists of left then right channel data.
  89  *      Left channel starts with rising FSYNC edge, right channel starts with
  90  *      falling FSYNC edge.
  91  * - DSP A/B: Frame starts with rising FSYNC edge.
  92  * - AC97: Frame starts with rising FSYNC edge.
  93  *
  94  * "Negative" FSYNC polarity is the one opposite of "normal" polarity.
  95  */
  96 #define SND_SOC_DAIFMT_NB_NF            (0 << 8) /* normal bit clock + frame */
  97 #define SND_SOC_DAIFMT_NB_IF            (2 << 8) /* normal BCLK + inv FRM */
  98 #define SND_SOC_DAIFMT_IB_NF            (3 << 8) /* invert BCLK + nor FRM */
  99 #define SND_SOC_DAIFMT_IB_IF            (4 << 8) /* invert BCLK + FRM */
 100
 101 /* Describes the possible PCM format */
 102 #define SND_SOC_POSSIBLE_DAIFMT_INV_SHIFT       32
 103 #define SND_SOC_POSSIBLE_DAIFMT_INV_MASK        (0xFFFFULL << SND_SOC_POSSIBLE_DAIFMT_INV_SHIFT)
 104 #define SND_SOC_POSSIBLE_DAIFMT_NB_NF           (0x1ULL    << SND_SOC_POSSIBLE_DAIFMT_INV_SHIFT)
 105 #define SND_SOC_POSSIBLE_DAIFMT_NB_IF           (0x2ULL    << SND_SOC_POSSIBLE_DAIFMT_INV_SHIFT)
 106 #define SND_SOC_POSSIBLE_DAIFMT_IB_NF           (0x4ULL    << SND_SOC_POSSIBLE_DAIFMT_INV_SHIFT)
 107 #define SND_SOC_POSSIBLE_DAIFMT_IB_IF           (0x8ULL    << SND_SOC_POSSIBLE_DAIFMT_INV_SHIFT)
 108
 109 /*
 110  * DAI hardware clock providers/consumers
 111  *
 112  * This is wrt the codec, the inverse is true for the interface
 113  * i.e. if the codec is clk and FRM provider then the interface is
 114  * clk and frame consumer.
 115  */
 116 #define SND_SOC_DAIFMT_CBP_CFP          (1 << 12) /* codec clk provider & frame provider */
 117 #define SND_SOC_DAIFMT_CBC_CFP          (2 << 12) /* codec clk consumer & frame provider */
 118 #define SND_SOC_DAIFMT_CBP_CFC          (3 << 12) /* codec clk provider & frame consumer */
 119 #define SND_SOC_DAIFMT_CBC_CFC          (4 << 12) /* codec clk consumer & frame consumer */
 120
 121 /* previous definitions kept for backwards-compatibility, do not use in new contributions */
 122 #define SND_SOC_DAIFMT_CBM_CFM          SND_SOC_DAIFMT_CBP_CFP
 123 #define SND_SOC_DAIFMT_CBS_CFM          SND_SOC_DAIFMT_CBC_CFP
 124 #define SND_SOC_DAIFMT_CBM_CFS          SND_SOC_DAIFMT_CBP_CFC
 125 #define SND_SOC_DAIFMT_CBS_CFS          SND_SOC_DAIFMT_CBC_CFC
 126
 127 /* Describes the possible PCM format */
 128 #define SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT    48
 129 #define SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_MASK     (0xFFFFULL << SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT)
 130 #define SND_SOC_POSSIBLE_DAIFMT_CBP_CFP                 (0x1ULL    << SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT)
 131 #define SND_SOC_POSSIBLE_DAIFMT_CBC_CFP                 (0x2ULL    << SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT)
 132 #define SND_SOC_POSSIBLE_DAIFMT_CBP_CFC                 (0x4ULL    << SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT)
 133 #define SND_SOC_POSSIBLE_DAIFMT_CBC_CFC                 (0x8ULL    << SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT)
 134
 135 #define SND_SOC_DAIFMT_FORMAT_MASK              0x000f
 136 #define SND_SOC_DAIFMT_CLOCK_MASK               0x00f0
 137 #define SND_SOC_DAIFMT_INV_MASK                 0x0f00
 138 #define SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK      0xf000
 139
 140 #define SND_SOC_DAIFMT_MASTER_MASK      SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK
 141
 142 /*
 143  * Master Clock Directions
 144  */
 145 #define SND_SOC_CLOCK_IN                0
 146 #define SND_SOC_CLOCK_OUT               1
 147
 148 #define SND_SOC_STD_AC97_FMTS (SNDRV_PCM_FMTBIT_S8 |\
 149                                SNDRV_PCM_FMTBIT_S16_LE |\
 150                                SNDRV_PCM_FMTBIT_S16_BE |\
 151                                SNDRV_PCM_FMTBIT_S20_3LE |\
 152                                SNDRV_PCM_FMTBIT_S20_3BE |\
 153                                SNDRV_PCM_FMTBIT_S20_LE |\
 154                                SNDRV_PCM_FMTBIT_S20_BE |\
 155                                SNDRV_PCM_FMTBIT_S24_3LE |\
 156                                SNDRV_PCM_FMTBIT_S24_3BE |\
 157                                SNDRV_PCM_FMTBIT_S32_LE |\
 158                                SNDRV_PCM_FMTBIT_S32_BE)
 159
 160 struct snd_soc_dai_driver;
 161 struct snd_soc_dai;
 162 struct snd_ac97_bus_ops;
 163
 164 /* Digital Audio Interface clocking API.*/
 165 int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
 166         unsigned int freq, int dir);
 167
 168 int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
 169         int div_id, int div);
 170
 171 int snd_soc_dai_set_pll(struct snd_soc_dai *dai,
 172         int pll_id, int source, unsigned int freq_in, unsigned int freq_out);
 173
 174 int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio);
 175
 176 /* Digital Audio interface formatting */
 177 int snd_soc_dai_get_fmt_max_priority(struct snd_soc_pcm_runtime *rtd);
 178 u64 snd_soc_dai_get_fmt(struct snd_soc_dai *dai, int priority);
 179 int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt);
 180
 181 int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
 182         unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width);
 183
 184 int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai,
 185         unsigned int tx_num, unsigned int *tx_slot,
 186         unsigned int rx_num, unsigned int *rx_slot);
 187
 188 int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate);
 189
 190 /* Digital Audio Interface mute */
 191 int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute,
 192                              int direction);
 193
 194
 195 int snd_soc_dai_get_channel_map(struct snd_soc_dai *dai,
 196                 unsigned int *tx_num, unsigned int *tx_slot,
 197                 unsigned int *rx_num, unsigned int *rx_slot);
 198
 199 int snd_soc_dai_is_dummy(struct snd_soc_dai *dai);
 200
 201 int snd_soc_dai_hw_params(struct snd_soc_dai *dai,
 202                           struct snd_pcm_substream *substream,
 203                           struct snd_pcm_hw_params *params);
 204 void snd_soc_dai_hw_free(struct snd_soc_dai *dai,
 205                          struct snd_pcm_substream *substream,
 206                          int rollback);
 207 int snd_soc_dai_startup(struct snd_soc_dai *dai,
 208                         struct snd_pcm_substream *substream);
 209 void snd_soc_dai_shutdown(struct snd_soc_dai *dai,
 210                           struct snd_pcm_substream *substream, int rollback);
 211 snd_pcm_sframes_t snd_soc_dai_delay(struct snd_soc_dai *dai,
 212                                     struct snd_pcm_substream *substream);
 213 void snd_soc_dai_suspend(struct snd_soc_dai *dai);
 214 void snd_soc_dai_resume(struct snd_soc_dai *dai);
 215 int snd_soc_dai_compress_new(struct snd_soc_dai *dai,
 216                              struct snd_soc_pcm_runtime *rtd, int num);
 217 bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int stream);
 218 void snd_soc_dai_link_set_capabilities(struct snd_soc_dai_link *dai_link);
 219 void snd_soc_dai_action(struct snd_soc_dai *dai,
 220                         int stream, int action);
 221 static inline void snd_soc_dai_activate(struct snd_soc_dai *dai,
 222                                         int stream)
 223 {
 224         snd_soc_dai_action(dai, stream,  1);
 225 }
 226 static inline void snd_soc_dai_deactivate(struct snd_soc_dai *dai,
 227                                           int stream)
 228 {
 229         snd_soc_dai_action(dai, stream, -1);
 230 }
 231 int snd_soc_dai_active(struct snd_soc_dai *dai);
 232
 233 int snd_soc_pcm_dai_probe(struct snd_soc_pcm_runtime *rtd, int order);
 234 int snd_soc_pcm_dai_remove(struct snd_soc_pcm_runtime *rtd, int order);
 235 int snd_soc_pcm_dai_new(struct snd_soc_pcm_runtime *rtd);
 236 int snd_soc_pcm_dai_prepare(struct snd_pcm_substream *substream);
 237 int snd_soc_pcm_dai_trigger(struct snd_pcm_substream *substream, int cmd,
 238                             int rollback);
 239 int snd_soc_pcm_dai_bespoke_trigger(struct snd_pcm_substream *substream,
 240                                     int cmd);
 241
 242 int snd_soc_dai_compr_startup(struct snd_soc_dai *dai,
 243                               struct snd_compr_stream *cstream);
 244 void snd_soc_dai_compr_shutdown(struct snd_soc_dai *dai,
 245                                 struct snd_compr_stream *cstream,
 246                                 int rollback);
 247 int snd_soc_dai_compr_trigger(struct snd_soc_dai *dai,
 248                               struct snd_compr_stream *cstream, int cmd);
 249 int snd_soc_dai_compr_set_params(struct snd_soc_dai *dai,
 250                                  struct snd_compr_stream *cstream,
 251                                  struct snd_compr_params *params);
 252 int snd_soc_dai_compr_get_params(struct snd_soc_dai *dai,
 253                                  struct snd_compr_stream *cstream,
 254                                  struct snd_codec *params);
 255 int snd_soc_dai_compr_ack(struct snd_soc_dai *dai,
 256                           struct snd_compr_stream *cstream,
 257                           size_t bytes);
 258 int snd_soc_dai_compr_pointer(struct snd_soc_dai *dai,
 259                               struct snd_compr_stream *cstream,
 260                               struct snd_compr_tstamp *tstamp);
 261 int snd_soc_dai_compr_set_metadata(struct snd_soc_dai *dai,
 262                                    struct snd_compr_stream *cstream,
 263                                    struct snd_compr_metadata *metadata);
 264 int snd_soc_dai_compr_get_metadata(struct snd_soc_dai *dai,
 265                                    struct snd_compr_stream *cstream,
 266                                    struct snd_compr_metadata *metadata);
 267
 268 struct snd_soc_dai_ops {
 269         /*
 270          * DAI clocking configuration, all optional.
 271          * Called by soc_card drivers, normally in their hw_params.
 272          */
 273         int (*set_sysclk)(struct snd_soc_dai *dai,
 274                 int clk_id, unsigned int freq, int dir);
 275         int (*set_pll)(struct snd_soc_dai *dai, int pll_id, int source,
 276                 unsigned int freq_in, unsigned int freq_out);
 277         int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div);
 278         int (*set_bclk_ratio)(struct snd_soc_dai *dai, unsigned int ratio);
 279
 280         /*
 281          * DAI format configuration
 282          * Called by soc_card drivers, normally in their hw_params.
 283          */
 284         int (*set_fmt)(struct snd_soc_dai *dai, unsigned int fmt);
 285         int (*xlate_tdm_slot_mask)(unsigned int slots,
 286                 unsigned int *tx_mask, unsigned int *rx_mask);
 287         int (*set_tdm_slot)(struct snd_soc_dai *dai,
 288                 unsigned int tx_mask, unsigned int rx_mask,
 289                 int slots, int slot_width);
 290         int (*set_channel_map)(struct snd_soc_dai *dai,
 291                 unsigned int tx_num, unsigned int *tx_slot,
 292                 unsigned int rx_num, unsigned int *rx_slot);
 293         int (*get_channel_map)(struct snd_soc_dai *dai,
 294                         unsigned int *tx_num, unsigned int *tx_slot,
 295                         unsigned int *rx_num, unsigned int *rx_slot);
 296         int (*set_tristate)(struct snd_soc_dai *dai, int tristate);
 297
 298         int (*set_sdw_stream)(struct snd_soc_dai *dai,
 299                         void *stream, int direction);
 300         void *(*get_sdw_stream)(struct snd_soc_dai *dai, int direction);
 301
 302         /*
 303          * DAI digital mute - optional.
 304          * Called by soc-core to minimise any pops.
 305          */
 306         int (*mute_stream)(struct snd_soc_dai *dai, int mute, int stream);
 307
 308         /*
 309          * ALSA PCM audio operations - all optional.
 310          * Called by soc-core during audio PCM operations.
 311          */
 312         int (*startup)(struct snd_pcm_substream *,
 313                 struct snd_soc_dai *);
 314         void (*shutdown)(struct snd_pcm_substream *,
 315                 struct snd_soc_dai *);
 316         int (*hw_params)(struct snd_pcm_substream *,
 317                 struct snd_pcm_hw_params *, struct snd_soc_dai *);
 318         int (*hw_free)(struct snd_pcm_substream *,
 319                 struct snd_soc_dai *);
 320         int (*prepare)(struct snd_pcm_substream *,
 321                 struct snd_soc_dai *);
 322         /*
 323          * NOTE: Commands passed to the trigger function are not necessarily
 324          * compatible with the current state of the dai. For example this
 325          * sequence of commands is possible: START STOP STOP.
 326          * So do not unconditionally use refcounting functions in the trigger
 327          * function, e.g. clk_enable/disable.
 328          */
 329         int (*trigger)(struct snd_pcm_substream *, int,
 330                 struct snd_soc_dai *);
 331         int (*bespoke_trigger)(struct snd_pcm_substream *, int,
 332                 struct snd_soc_dai *);
 333         /*
 334          * For hardware based FIFO caused delay reporting.
 335          * Optional.
 336          */
 337         snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
 338                 struct snd_soc_dai *);
 339
 340         /*
 341          * Format list for auto selection.
 342          * Format will be increased if priority format was
 343          * not selected.
 344          * see
 345          *      snd_soc_dai_get_fmt()
 346          */
 347         u64 *auto_selectable_formats;
 348         int num_auto_selectable_formats;
 349
 350         /* bit field */
 351         unsigned int no_capture_mute:1;
 352 };
 353
 354 struct snd_soc_cdai_ops {
 355         /*
 356          * for compress ops
 357          */
 358         int (*startup)(struct snd_compr_stream *,
 359                         struct snd_soc_dai *);
 360         int (*shutdown)(struct snd_compr_stream *,
 361                         struct snd_soc_dai *);
 362         int (*set_params)(struct snd_compr_stream *,
 363                         struct snd_compr_params *, struct snd_soc_dai *);
 364         int (*get_params)(struct snd_compr_stream *,
 365                         struct snd_codec *, struct snd_soc_dai *);
 366         int (*set_metadata)(struct snd_compr_stream *,
 367                         struct snd_compr_metadata *, struct snd_soc_dai *);
 368         int (*get_metadata)(struct snd_compr_stream *,
 369                         struct snd_compr_metadata *, struct snd_soc_dai *);
 370         int (*trigger)(struct snd_compr_stream *, int,
 371                         struct snd_soc_dai *);
 372         int (*pointer)(struct snd_compr_stream *,
 373                         struct snd_compr_tstamp *, struct snd_soc_dai *);
 374         int (*ack)(struct snd_compr_stream *, size_t,
 375                         struct snd_soc_dai *);
 376 };
 377
 378 /*
 379  * Digital Audio Interface Driver.
 380  *
 381  * Describes the Digital Audio Interface in terms of its ALSA, DAI and AC97
 382  * operations and capabilities. Codec and platform drivers will register this
 383  * structure for every DAI they have.
 384  *
 385  * This structure covers the clocking, formating and ALSA operations for each
 386  * interface.
 387  */
 388 struct snd_soc_dai_driver {
 389         /* DAI description */
 390         const char *name;
 391         unsigned int id;
 392         unsigned int base;
 393         struct snd_soc_dobj dobj;
 394
 395         /* DAI driver callbacks */
 396         int (*probe)(struct snd_soc_dai *dai);
 397         int (*remove)(struct snd_soc_dai *dai);
 398         /* compress dai */
 399         int (*compress_new)(struct snd_soc_pcm_runtime *rtd, int num);
 400         /* Optional Callback used at pcm creation*/
 401         int (*pcm_new)(struct snd_soc_pcm_runtime *rtd,
 402                        struct snd_soc_dai *dai);
 403
 404         /* ops */
 405         const struct snd_soc_dai_ops *ops;
 406         const struct snd_soc_cdai_ops *cops;
 407
 408         /* DAI capabilities */
 409         struct snd_soc_pcm_stream capture;
 410         struct snd_soc_pcm_stream playback;
 411         unsigned int symmetric_rate:1;
 412         unsigned int symmetric_channels:1;
 413         unsigned int symmetric_sample_bits:1;
 414
 415         /* probe ordering - for components with runtime dependencies */
 416         int probe_order;
 417         int remove_order;
 418 };
 419
 420 /*
 421  * Digital Audio Interface runtime data.
 422  *
 423  * Holds runtime data for a DAI.
 424  */
 425 struct snd_soc_dai {
 426         const char *name;
 427         int id;
 428         struct device *dev;
 429
 430         /* driver ops */
 431         struct snd_soc_dai_driver *driver;
 432
 433         /* DAI runtime info */
 434         unsigned int stream_active[SNDRV_PCM_STREAM_LAST + 1]; /* usage count */
 435
 436         struct snd_soc_dapm_widget *playback_widget;
 437         struct snd_soc_dapm_widget *capture_widget;
 438
 439         /* DAI DMA data */
 440         void *playback_dma_data;
 441         void *capture_dma_data;
 442
 443         /* Symmetry data - only valid if symmetry is being enforced */
 444         unsigned int rate;
 445         unsigned int channels;
 446         unsigned int sample_bits;
 447
 448         /* parent platform/codec */
 449         struct snd_soc_component *component;
 450
 451         /* CODEC TDM slot masks and params (for fixup) */
 452         unsigned int tx_mask;
 453         unsigned int rx_mask;
 454
 455         struct list_head list;
 456
 457         /* function mark */
 458         struct snd_pcm_substream *mark_startup;
 459         struct snd_pcm_substream *mark_hw_params;
 460         struct snd_pcm_substream *mark_trigger;
 461         struct snd_compr_stream  *mark_compr_startup;
 462
 463         /* bit field */
 464         unsigned int probed:1;
 465 };
 466
 467 static inline struct snd_soc_pcm_stream *
 468 snd_soc_dai_get_pcm_stream(const struct snd_soc_dai *dai, int stream)
 469 {
 470         return (stream == SNDRV_PCM_STREAM_PLAYBACK) ?
 471                 &dai->driver->playback : &dai->driver->capture;
 472 }
 473
 474 static inline
 475 struct snd_soc_dapm_widget *snd_soc_dai_get_widget(
 476         struct snd_soc_dai *dai, int stream)
 477 {
 478         return (stream == SNDRV_PCM_STREAM_PLAYBACK) ?
 479                 dai->playback_widget : dai->capture_widget;
 480 }
 481
 482 static inline void *snd_soc_dai_get_dma_data(const struct snd_soc_dai *dai,
 483                                              const struct snd_pcm_substream *ss)
 484 {
 485         return (ss->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
 486                 dai->playback_dma_data : dai->capture_dma_data;
 487 }
 488
 489 static inline void snd_soc_dai_set_dma_data(struct snd_soc_dai *dai,
 490                                             const struct snd_pcm_substream *ss,
 491                                             void *data)
 492 {
 493         if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)
 494                 dai->playback_dma_data = data;
 495         else
 496                 dai->capture_dma_data = data;
 497 }
 498
 499 static inline void snd_soc_dai_init_dma_data(struct snd_soc_dai *dai,
 500                                              void *playback, void *capture)
 501 {
 502         dai->playback_dma_data = playback;
 503         dai->capture_dma_data = capture;
 504 }
 505
 506 static inline void snd_soc_dai_set_drvdata(struct snd_soc_dai *dai,
 507                 void *data)
 508 {
 509         dev_set_drvdata(dai->dev, data);
 510 }
 511
 512 static inline void *snd_soc_dai_get_drvdata(struct snd_soc_dai *dai)
 513 {
 514         return dev_get_drvdata(dai->dev);
 515 }
 516
 517 /**
 518  * snd_soc_dai_set_sdw_stream() - Configures a DAI for SDW stream operation
 519  * @dai: DAI
 520  * @stream: STREAM
 521  * @direction: Stream direction(Playback/Capture)
 522  * SoundWire subsystem doesn't have a notion of direction and we reuse
 523  * the ASoC stream direction to configure sink/source ports.
 524  * Playback maps to source ports and Capture for sink ports.
 525  *
 526  * This should be invoked with NULL to clear the stream set previously.
 527  * Returns 0 on success, a negative error code otherwise.
 528  */
 529 static inline int snd_soc_dai_set_sdw_stream(struct snd_soc_dai *dai,
 530                                 void *stream, int direction)
 531 {
 532         if (dai->driver->ops->set_sdw_stream)
 533                 return dai->driver->ops->set_sdw_stream(dai, stream, direction);
 534         else
 535                 return -ENOTSUPP;
 536 }
 537
 538 /**
 539  * snd_soc_dai_get_sdw_stream() - Retrieves SDW stream from DAI
 540  * @dai: DAI
 541  * @direction: Stream direction(Playback/Capture)
 542  *
 543  * This routine only retrieves that was previously configured
 544  * with snd_soc_dai_get_sdw_stream()
 545  *
 546  * Returns pointer to stream or an ERR_PTR value, e.g.
 547  * ERR_PTR(-ENOTSUPP) if callback is not supported;
 548  */
 549 static inline void *snd_soc_dai_get_sdw_stream(struct snd_soc_dai *dai,
 550                                                int direction)
 551 {
 552         if (dai->driver->ops->get_sdw_stream)
 553                 return dai->driver->ops->get_sdw_stream(dai, direction);
 554         else
 555                 return ERR_PTR(-ENOTSUPP);
 556 }
 557
 558 static inline unsigned int
 559 snd_soc_dai_stream_active(struct snd_soc_dai *dai, int stream)
 560 {
 561         return dai->stream_active[stream];
 562 }
 563
 564 #endif