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1/* SPDX-License-Identifier: GPL-2.02 *3 * linux/sound/soc-dai.h -- ALSA SoC Layer4 *5 * Copyright: 2005-2008 Wolfson Microelectronics. PLC.6 *7 * Digital Audio Interface (DAI) API.8 */9 10#ifndef __LINUX_SND_SOC_DAI_H11#define __LINUX_SND_SOC_DAI_H12 13 14#include <linux/list.h>15#include <sound/asoc.h>16 17struct snd_pcm_substream;18struct snd_soc_dapm_widget;19struct snd_compr_stream;20 21/*22 * DAI hardware audio formats.23 *24 * Describes the physical PCM data formating and clocking. Add new formats25 * to the end.26 */27#define SND_SOC_DAIFMT_I2S SND_SOC_DAI_FORMAT_I2S28#define SND_SOC_DAIFMT_RIGHT_J SND_SOC_DAI_FORMAT_RIGHT_J29#define SND_SOC_DAIFMT_LEFT_J SND_SOC_DAI_FORMAT_LEFT_J30#define SND_SOC_DAIFMT_DSP_A SND_SOC_DAI_FORMAT_DSP_A31#define SND_SOC_DAIFMT_DSP_B SND_SOC_DAI_FORMAT_DSP_B32#define SND_SOC_DAIFMT_AC97 SND_SOC_DAI_FORMAT_AC9733#define SND_SOC_DAIFMT_PDM SND_SOC_DAI_FORMAT_PDM34 35/* left and right justified also known as MSB and LSB respectively */36#define SND_SOC_DAIFMT_MSB SND_SOC_DAIFMT_LEFT_J37#define SND_SOC_DAIFMT_LSB SND_SOC_DAIFMT_RIGHT_J38 39/* Describes the possible PCM format */40/*41 * use SND_SOC_DAI_FORMAT_xx as eash shift.42 * see43 * snd_soc_runtime_get_dai_fmt()44 */45#define SND_SOC_POSSIBLE_DAIFMT_FORMAT_SHIFT 046#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 not59 * 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 * see68 * snd_soc_runtime_get_dai_fmt()69 */70#define SND_SOC_POSSIBLE_DAIFMT_CLOCK_SHIFT 1671#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 specified79 * format.80 *81 * BCLK:82 * - "normal" polarity means signal is available at rising edge of BCLK83 * - "inverted" polarity means signal is available at falling edge of BCLK84 *85 * FSYNC "normal" polarity depends on the frame format:86 * - I2S: frame consists of left then right channel data. Left channel starts87 * 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 with90 * 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 32103#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/consumers111 *112 * This is wrt the codec, the inverse is true for the interface113 * i.e. if the codec is clk and FRM provider then the interface is114 * 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_CFP123#define SND_SOC_DAIFMT_CBS_CFM SND_SOC_DAIFMT_CBC_CFP124#define SND_SOC_DAIFMT_CBM_CFS SND_SOC_DAIFMT_CBP_CFC125#define SND_SOC_DAIFMT_CBS_CFS SND_SOC_DAIFMT_CBC_CFC126 127/* when passed to set_fmt directly indicate if the device is provider or consumer */128#define SND_SOC_DAIFMT_BP_FP SND_SOC_DAIFMT_CBP_CFP129#define SND_SOC_DAIFMT_BC_FP SND_SOC_DAIFMT_CBC_CFP130#define SND_SOC_DAIFMT_BP_FC SND_SOC_DAIFMT_CBP_CFC131#define SND_SOC_DAIFMT_BC_FC SND_SOC_DAIFMT_CBC_CFC132 133/* Describes the possible PCM format */134#define SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT 48135#define SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_MASK (0xFFFFULL << SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT)136#define SND_SOC_POSSIBLE_DAIFMT_CBP_CFP (0x1ULL << SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT)137#define SND_SOC_POSSIBLE_DAIFMT_CBC_CFP (0x2ULL << SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT)138#define SND_SOC_POSSIBLE_DAIFMT_CBP_CFC (0x4ULL << SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT)139#define SND_SOC_POSSIBLE_DAIFMT_CBC_CFC (0x8ULL << SND_SOC_POSSIBLE_DAIFMT_CLOCK_PROVIDER_SHIFT)140 141#define SND_SOC_DAIFMT_FORMAT_MASK 0x000f142#define SND_SOC_DAIFMT_CLOCK_MASK 0x00f0143#define SND_SOC_DAIFMT_INV_MASK 0x0f00144#define SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK 0xf000145 146#define SND_SOC_DAIFMT_MASTER_MASK SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK147 148/*149 * Master Clock Directions150 */151#define SND_SOC_CLOCK_IN 0152#define SND_SOC_CLOCK_OUT 1153 154#define SND_SOC_STD_AC97_FMTS (SNDRV_PCM_FMTBIT_S8 |\155 SNDRV_PCM_FMTBIT_S16_LE |\156 SNDRV_PCM_FMTBIT_S16_BE |\157 SNDRV_PCM_FMTBIT_S20_3LE |\158 SNDRV_PCM_FMTBIT_S20_3BE |\159 SNDRV_PCM_FMTBIT_S20_LE |\160 SNDRV_PCM_FMTBIT_S20_BE |\161 SNDRV_PCM_FMTBIT_S24_3LE |\162 SNDRV_PCM_FMTBIT_S24_3BE |\163 SNDRV_PCM_FMTBIT_S32_LE |\164 SNDRV_PCM_FMTBIT_S32_BE)165 166struct snd_soc_dai_driver;167struct snd_soc_dai;168struct snd_ac97_bus_ops;169 170/* Digital Audio Interface clocking API.*/171int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,172 unsigned int freq, int dir);173 174int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,175 int div_id, int div);176 177int snd_soc_dai_set_pll(struct snd_soc_dai *dai,178 int pll_id, int source, unsigned int freq_in, unsigned int freq_out);179 180int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio);181 182/* Digital Audio interface formatting */183int snd_soc_dai_get_fmt_max_priority(const struct snd_soc_pcm_runtime *rtd);184u64 snd_soc_dai_get_fmt(const struct snd_soc_dai *dai, int priority);185int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt);186 187int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,188 unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width);189 190int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai,191 unsigned int tx_num, const unsigned int *tx_slot,192 unsigned int rx_num, const unsigned int *rx_slot);193 194int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate);195 196/* Digital Audio Interface mute */197int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute,198 int direction);199 200 201int snd_soc_dai_get_channel_map(const struct snd_soc_dai *dai,202 unsigned int *tx_num, unsigned int *tx_slot,203 unsigned int *rx_num, unsigned int *rx_slot);204 205int snd_soc_dai_is_dummy(const struct snd_soc_dai *dai);206 207int snd_soc_dai_hw_params(struct snd_soc_dai *dai,208 struct snd_pcm_substream *substream,209 struct snd_pcm_hw_params *params);210void snd_soc_dai_hw_free(struct snd_soc_dai *dai,211 struct snd_pcm_substream *substream,212 int rollback);213int snd_soc_dai_startup(struct snd_soc_dai *dai,214 struct snd_pcm_substream *substream);215void snd_soc_dai_shutdown(struct snd_soc_dai *dai,216 struct snd_pcm_substream *substream, int rollback);217void snd_soc_dai_suspend(struct snd_soc_dai *dai);218void snd_soc_dai_resume(struct snd_soc_dai *dai);219int snd_soc_dai_compress_new(struct snd_soc_dai *dai,220 struct snd_soc_pcm_runtime *rtd, int num);221bool snd_soc_dai_stream_valid(const struct snd_soc_dai *dai, int stream);222void snd_soc_dai_action(struct snd_soc_dai *dai,223 int stream, int action);224static inline void snd_soc_dai_activate(struct snd_soc_dai *dai,225 int stream)226{227 snd_soc_dai_action(dai, stream, 1);228}229static inline void snd_soc_dai_deactivate(struct snd_soc_dai *dai,230 int stream)231{232 snd_soc_dai_action(dai, stream, -1);233}234int snd_soc_dai_active(const struct snd_soc_dai *dai);235 236int snd_soc_pcm_dai_probe(struct snd_soc_pcm_runtime *rtd, int order);237int snd_soc_pcm_dai_remove(struct snd_soc_pcm_runtime *rtd, int order);238int snd_soc_pcm_dai_new(struct snd_soc_pcm_runtime *rtd);239int snd_soc_pcm_dai_prepare(struct snd_pcm_substream *substream);240int snd_soc_pcm_dai_trigger(struct snd_pcm_substream *substream, int cmd,241 int rollback);242void snd_soc_pcm_dai_delay(struct snd_pcm_substream *substream,243 snd_pcm_sframes_t *cpu_delay, snd_pcm_sframes_t *codec_delay);244 245int snd_soc_dai_compr_startup(struct snd_soc_dai *dai,246 struct snd_compr_stream *cstream);247void snd_soc_dai_compr_shutdown(struct snd_soc_dai *dai,248 struct snd_compr_stream *cstream,249 int rollback);250int snd_soc_dai_compr_trigger(struct snd_soc_dai *dai,251 struct snd_compr_stream *cstream, int cmd);252int snd_soc_dai_compr_set_params(struct snd_soc_dai *dai,253 struct snd_compr_stream *cstream,254 struct snd_compr_params *params);255int snd_soc_dai_compr_get_params(struct snd_soc_dai *dai,256 struct snd_compr_stream *cstream,257 struct snd_codec *params);258int snd_soc_dai_compr_ack(struct snd_soc_dai *dai,259 struct snd_compr_stream *cstream,260 size_t bytes);261int snd_soc_dai_compr_pointer(struct snd_soc_dai *dai,262 struct snd_compr_stream *cstream,263 struct snd_compr_tstamp *tstamp);264int snd_soc_dai_compr_set_metadata(struct snd_soc_dai *dai,265 struct snd_compr_stream *cstream,266 struct snd_compr_metadata *metadata);267int snd_soc_dai_compr_get_metadata(struct snd_soc_dai *dai,268 struct snd_compr_stream *cstream,269 struct snd_compr_metadata *metadata);270 271const char *snd_soc_dai_name_get(const struct snd_soc_dai *dai);272 273struct snd_soc_dai_ops {274 /* DAI driver callbacks */275 int (*probe)(struct snd_soc_dai *dai);276 int (*remove)(struct snd_soc_dai *dai);277 /* compress dai */278 int (*compress_new)(struct snd_soc_pcm_runtime *rtd, int num);279 /* Optional Callback used at pcm creation*/280 int (*pcm_new)(struct snd_soc_pcm_runtime *rtd,281 struct snd_soc_dai *dai);282 283 /*284 * DAI clocking configuration, all optional.285 * Called by soc_card drivers, normally in their hw_params.286 */287 int (*set_sysclk)(struct snd_soc_dai *dai,288 int clk_id, unsigned int freq, int dir);289 int (*set_pll)(struct snd_soc_dai *dai, int pll_id, int source,290 unsigned int freq_in, unsigned int freq_out);291 int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div);292 int (*set_bclk_ratio)(struct snd_soc_dai *dai, unsigned int ratio);293 294 /*295 * DAI format configuration296 * Called by soc_card drivers, normally in their hw_params.297 */298 int (*set_fmt)(struct snd_soc_dai *dai, unsigned int fmt);299 int (*xlate_tdm_slot_mask)(unsigned int slots,300 unsigned int *tx_mask, unsigned int *rx_mask);301 int (*set_tdm_slot)(struct snd_soc_dai *dai,302 unsigned int tx_mask, unsigned int rx_mask,303 int slots, int slot_width);304 int (*set_channel_map)(struct snd_soc_dai *dai,305 unsigned int tx_num, const unsigned int *tx_slot,306 unsigned int rx_num, const unsigned int *rx_slot);307 int (*get_channel_map)(const struct snd_soc_dai *dai,308 unsigned int *tx_num, unsigned int *tx_slot,309 unsigned int *rx_num, unsigned int *rx_slot);310 int (*set_tristate)(struct snd_soc_dai *dai, int tristate);311 312 int (*set_stream)(struct snd_soc_dai *dai,313 void *stream, int direction);314 void *(*get_stream)(struct snd_soc_dai *dai, int direction);315 316 /*317 * DAI digital mute - optional.318 * Called by soc-core to minimise any pops.319 */320 int (*mute_stream)(struct snd_soc_dai *dai, int mute, int stream);321 322 /*323 * ALSA PCM audio operations - all optional.324 * Called by soc-core during audio PCM operations.325 */326 int (*startup)(struct snd_pcm_substream *,327 struct snd_soc_dai *);328 void (*shutdown)(struct snd_pcm_substream *,329 struct snd_soc_dai *);330 int (*hw_params)(struct snd_pcm_substream *,331 struct snd_pcm_hw_params *, struct snd_soc_dai *);332 int (*hw_free)(struct snd_pcm_substream *,333 struct snd_soc_dai *);334 int (*prepare)(struct snd_pcm_substream *,335 struct snd_soc_dai *);336 /*337 * NOTE: Commands passed to the trigger function are not necessarily338 * compatible with the current state of the dai. For example this339 * sequence of commands is possible: START STOP STOP.340 * So do not unconditionally use refcounting functions in the trigger341 * function, e.g. clk_enable/disable.342 */343 int (*trigger)(struct snd_pcm_substream *, int,344 struct snd_soc_dai *);345 346 /*347 * For hardware based FIFO caused delay reporting.348 * Optional.349 */350 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,351 struct snd_soc_dai *);352 353 /*354 * Format list for auto selection.355 * Format will be increased if priority format was356 * not selected.357 * see358 * snd_soc_dai_get_fmt()359 */360 const u64 *auto_selectable_formats;361 int num_auto_selectable_formats;362 363 /* probe ordering - for components with runtime dependencies */364 int probe_order;365 int remove_order;366 367 /* bit field */368 unsigned int no_capture_mute:1;369 unsigned int mute_unmute_on_trigger:1;370};371 372struct snd_soc_cdai_ops {373 /*374 * for compress ops375 */376 int (*startup)(struct snd_compr_stream *,377 struct snd_soc_dai *);378 int (*shutdown)(struct snd_compr_stream *,379 struct snd_soc_dai *);380 int (*set_params)(struct snd_compr_stream *,381 struct snd_compr_params *, struct snd_soc_dai *);382 int (*get_params)(struct snd_compr_stream *,383 struct snd_codec *, struct snd_soc_dai *);384 int (*set_metadata)(struct snd_compr_stream *,385 struct snd_compr_metadata *, struct snd_soc_dai *);386 int (*get_metadata)(struct snd_compr_stream *,387 struct snd_compr_metadata *, struct snd_soc_dai *);388 int (*trigger)(struct snd_compr_stream *, int,389 struct snd_soc_dai *);390 int (*pointer)(struct snd_compr_stream *,391 struct snd_compr_tstamp *, struct snd_soc_dai *);392 int (*ack)(struct snd_compr_stream *, size_t,393 struct snd_soc_dai *);394};395 396/*397 * Digital Audio Interface Driver.398 *399 * Describes the Digital Audio Interface in terms of its ALSA, DAI and AC97400 * operations and capabilities. Codec and platform drivers will register this401 * structure for every DAI they have.402 *403 * This structure covers the clocking, formating and ALSA operations for each404 * interface.405 */406struct snd_soc_dai_driver {407 /* DAI description */408 const char *name;409 unsigned int id;410 unsigned int base;411 struct snd_soc_dobj dobj;412 const struct of_phandle_args *dai_args;413 414 /* ops */415 const struct snd_soc_dai_ops *ops;416 const struct snd_soc_cdai_ops *cops;417 418 /* DAI capabilities */419 struct snd_soc_pcm_stream capture;420 struct snd_soc_pcm_stream playback;421 unsigned int symmetric_rate:1;422 unsigned int symmetric_channels:1;423 unsigned int symmetric_sample_bits:1;424};425 426/* for Playback/Capture */427struct snd_soc_dai_stream {428 struct snd_soc_dapm_widget *widget;429 430 unsigned int active; /* usage count */431 unsigned int tdm_mask; /* CODEC TDM slot masks and params (for fixup) */432 433 void *dma_data; /* DAI DMA data */434};435 436/*437 * Digital Audio Interface runtime data.438 *439 * Holds runtime data for a DAI.440 */441struct snd_soc_dai {442 const char *name;443 int id;444 struct device *dev;445 446 /* driver ops */447 struct snd_soc_dai_driver *driver;448 449 /* DAI runtime info */450 struct snd_soc_dai_stream stream[SNDRV_PCM_STREAM_LAST + 1];451 452 /* Symmetry data - only valid if symmetry is being enforced */453 unsigned int rate;454 unsigned int channels;455 unsigned int sample_bits;456 457 /* parent platform/codec */458 struct snd_soc_component *component;459 460 struct list_head list;461 462 /* function mark */463 struct snd_pcm_substream *mark_startup;464 struct snd_pcm_substream *mark_hw_params;465 struct snd_pcm_substream *mark_trigger;466 struct snd_compr_stream *mark_compr_startup;467 468 /* bit field */469 unsigned int probed:1;470};471 472static inline const struct snd_soc_pcm_stream *473snd_soc_dai_get_pcm_stream(const struct snd_soc_dai *dai, int stream)474{475 return (stream == SNDRV_PCM_STREAM_PLAYBACK) ?476 &dai->driver->playback : &dai->driver->capture;477}478 479#define snd_soc_dai_get_widget_playback(dai) snd_soc_dai_get_widget(dai, SNDRV_PCM_STREAM_PLAYBACK)480#define snd_soc_dai_get_widget_capture(dai) snd_soc_dai_get_widget(dai, SNDRV_PCM_STREAM_CAPTURE)481static inline482struct snd_soc_dapm_widget *snd_soc_dai_get_widget(struct snd_soc_dai *dai, int stream)483{484 return dai->stream[stream].widget;485}486 487#define snd_soc_dai_set_widget_playback(dai, widget) snd_soc_dai_set_widget(dai, SNDRV_PCM_STREAM_PLAYBACK, widget)488#define snd_soc_dai_set_widget_capture(dai, widget) snd_soc_dai_set_widget(dai, SNDRV_PCM_STREAM_CAPTURE, widget)489static inline490void snd_soc_dai_set_widget(struct snd_soc_dai *dai, int stream, struct snd_soc_dapm_widget *widget)491{492 dai->stream[stream].widget = widget;493}494 495#define snd_soc_dai_dma_data_get_playback(dai) snd_soc_dai_dma_data_get(dai, SNDRV_PCM_STREAM_PLAYBACK)496#define snd_soc_dai_dma_data_get_capture(dai) snd_soc_dai_dma_data_get(dai, SNDRV_PCM_STREAM_CAPTURE)497#define snd_soc_dai_get_dma_data(dai, ss) snd_soc_dai_dma_data_get(dai, ss->stream)498static inline void *snd_soc_dai_dma_data_get(const struct snd_soc_dai *dai, int stream)499{500 return dai->stream[stream].dma_data;501}502 503#define snd_soc_dai_dma_data_set_playback(dai, data) snd_soc_dai_dma_data_set(dai, SNDRV_PCM_STREAM_PLAYBACK, data)504#define snd_soc_dai_dma_data_set_capture(dai, data) snd_soc_dai_dma_data_set(dai, SNDRV_PCM_STREAM_CAPTURE, data)505#define snd_soc_dai_set_dma_data(dai, ss, data) snd_soc_dai_dma_data_set(dai, ss->stream, data)506static inline void snd_soc_dai_dma_data_set(struct snd_soc_dai *dai, int stream, void *data)507{508 dai->stream[stream].dma_data = data;509}510 511static inline void snd_soc_dai_init_dma_data(struct snd_soc_dai *dai, void *playback, void *capture)512{513 snd_soc_dai_dma_data_set_playback(dai, playback);514 snd_soc_dai_dma_data_set_capture(dai, capture);515}516 517static inline unsigned int snd_soc_dai_tdm_mask_get(const struct snd_soc_dai *dai,518 int stream)519{520 return dai->stream[stream].tdm_mask;521}522 523static inline void snd_soc_dai_tdm_mask_set(struct snd_soc_dai *dai, int stream,524 unsigned int tdm_mask)525{526 dai->stream[stream].tdm_mask = tdm_mask;527}528 529static inline unsigned int snd_soc_dai_stream_active(const struct snd_soc_dai *dai,530 int stream)531{532 /* see snd_soc_dai_action() for setup */533 return dai->stream[stream].active;534}535 536static inline void snd_soc_dai_set_drvdata(struct snd_soc_dai *dai,537 void *data)538{539 dev_set_drvdata(dai->dev, data);540}541 542static inline void *snd_soc_dai_get_drvdata(struct snd_soc_dai *dai)543{544 return dev_get_drvdata(dai->dev);545}546 547/**548 * snd_soc_dai_set_stream() - Configures a DAI for stream operation549 * @dai: DAI550 * @stream: STREAM (opaque structure depending on DAI type)551 * @direction: Stream direction(Playback/Capture)552 * Some subsystems, such as SoundWire, don't have a notion of direction and we reuse553 * the ASoC stream direction to configure sink/source ports.554 * Playback maps to source ports and Capture for sink ports.555 *556 * This should be invoked with NULL to clear the stream set previously.557 * Returns 0 on success, a negative error code otherwise.558 */559static inline int snd_soc_dai_set_stream(struct snd_soc_dai *dai,560 void *stream, int direction)561{562 if (dai->driver->ops->set_stream)563 return dai->driver->ops->set_stream(dai, stream, direction);564 else565 return -ENOTSUPP;566}567 568/**569 * snd_soc_dai_get_stream() - Retrieves stream from DAI570 * @dai: DAI571 * @direction: Stream direction(Playback/Capture)572 *573 * This routine only retrieves that was previously configured574 * with snd_soc_dai_get_stream()575 *576 * Returns pointer to stream or an ERR_PTR value, e.g.577 * ERR_PTR(-ENOTSUPP) if callback is not supported;578 */579static inline void *snd_soc_dai_get_stream(struct snd_soc_dai *dai,580 int direction)581{582 if (dai->driver->ops->get_stream)583 return dai->driver->ops->get_stream(dai, direction);584 else585 return ERR_PTR(-ENOTSUPP);586}587 588#endif589