1 /* SPDX-License-Identifier: GPL-2.0
3 * linux/sound/soc-dai.h -- ALSA SoC Layer
5 * Copyright: 2005-2008 Wolfson Microelectronics. PLC.
7 * Digital Audio Interface (DAI) API.
10 #ifndef __LINUX_SND_SOC_DAI_H
11 #define __LINUX_SND_SOC_DAI_H
14 #include <linux/list.h>
15 #include <sound/asoc.h>
17 struct snd_pcm_substream
;
18 struct snd_soc_dapm_widget
;
19 struct snd_compr_stream
;
22 * DAI hardware audio formats.
24 * Describes the physical PCM data formating and clocking. Add new formats
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
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
39 /* Describes the possible PCM format */
41 * use SND_SOC_DAI_FORMAT_xx as eash shift.
43 * snd_soc_runtime_get_dai_fmt()
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)
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.
61 #define SND_SOC_DAIFMT_CONT (1 << 4) /* continuous clock */
62 #define SND_SOC_DAIFMT_GATED (0 << 4) /* clock is gated */
64 /* Describes the possible PCM format */
66 * define GATED -> CONT. GATED will be selected if both are selected.
68 * snd_soc_runtime_get_dai_fmt()
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)
76 * DAI hardware signal polarity.
78 * Specifies whether the DAI can also support inverted clocks for the specified
82 * - "normal" polarity means signal is available at rising edge of BCLK
83 * - "inverted" polarity means signal is available at falling edge of BCLK
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
91 * - DSP A/B: Frame starts with rising FSYNC edge.
92 * - AC97: Frame starts with rising FSYNC edge.
94 * "Negative" FSYNC polarity is the one opposite of "normal" polarity.
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 */
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)
110 * DAI hardware clock providers/consumers
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.
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 */
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
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)
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
140 #define SND_SOC_DAIFMT_MASTER_MASK SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK
143 * Master Clock Directions
145 #define SND_SOC_CLOCK_IN 0
146 #define SND_SOC_CLOCK_OUT 1
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)
160 struct snd_soc_dai_driver
;
162 struct snd_ac97_bus_ops
;
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
);
168 int snd_soc_dai_set_clkdiv(struct snd_soc_dai
*dai
,
169 int div_id
, int div
);
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
);
174 int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai
*dai
, unsigned int ratio
);
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
);
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
);
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
);
188 int snd_soc_dai_set_tristate(struct snd_soc_dai
*dai
, int tristate
);
190 /* Digital Audio Interface mute */
191 int snd_soc_dai_digital_mute(struct snd_soc_dai
*dai
, int mute
,
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
);
199 int snd_soc_dai_is_dummy(struct snd_soc_dai
*dai
);
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
,
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
,
224 snd_soc_dai_action(dai
, stream
, 1);
226 static inline void snd_soc_dai_deactivate(struct snd_soc_dai
*dai
,
229 snd_soc_dai_action(dai
, stream
, -1);
231 int snd_soc_dai_active(struct snd_soc_dai
*dai
);
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
,
239 int snd_soc_pcm_dai_bespoke_trigger(struct snd_pcm_substream
*substream
,
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
,
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
,
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
);
268 struct snd_soc_dai_ops
{
270 * DAI clocking configuration, all optional.
271 * Called by soc_card drivers, normally in their hw_params.
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
);
281 * DAI format configuration
282 * Called by soc_card drivers, normally in their hw_params.
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
);
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
);
303 * DAI digital mute - optional.
304 * Called by soc-core to minimise any pops.
306 int (*mute_stream
)(struct snd_soc_dai
*dai
, int mute
, int stream
);
309 * ALSA PCM audio operations - all optional.
310 * Called by soc-core during audio PCM operations.
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
*);
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.
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
*);
334 * For hardware based FIFO caused delay reporting.
337 snd_pcm_sframes_t (*delay
)(struct snd_pcm_substream
*,
338 struct snd_soc_dai
*);
341 * Format list for auto selection.
342 * Format will be increased if priority format was
345 * snd_soc_dai_get_fmt()
347 u64
*auto_selectable_formats
;
348 int num_auto_selectable_formats
;
351 unsigned int no_capture_mute
:1;
354 struct snd_soc_cdai_ops
{
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
*);
379 * Digital Audio Interface Driver.
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.
385 * This structure covers the clocking, formating and ALSA operations for each
388 struct snd_soc_dai_driver
{
389 /* DAI description */
393 struct snd_soc_dobj dobj
;
395 /* DAI driver callbacks */
396 int (*probe
)(struct snd_soc_dai
*dai
);
397 int (*remove
)(struct snd_soc_dai
*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
);
405 const struct snd_soc_dai_ops
*ops
;
406 const struct snd_soc_cdai_ops
*cops
;
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;
415 /* probe ordering - for components with runtime dependencies */
421 * Digital Audio Interface runtime data.
423 * Holds runtime data for a DAI.
431 struct snd_soc_dai_driver
*driver
;
433 /* DAI runtime info */
434 unsigned int stream_active
[SNDRV_PCM_STREAM_LAST
+ 1]; /* usage count */
436 struct snd_soc_dapm_widget
*playback_widget
;
437 struct snd_soc_dapm_widget
*capture_widget
;
440 void *playback_dma_data
;
441 void *capture_dma_data
;
443 /* Symmetry data - only valid if symmetry is being enforced */
445 unsigned int channels
;
446 unsigned int sample_bits
;
448 /* parent platform/codec */
449 struct snd_soc_component
*component
;
451 /* CODEC TDM slot masks and params (for fixup) */
452 unsigned int tx_mask
;
453 unsigned int rx_mask
;
455 struct list_head list
;
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
;
464 unsigned int probed
:1;
467 static inline struct snd_soc_pcm_stream
*
468 snd_soc_dai_get_pcm_stream(const struct snd_soc_dai
*dai
, int stream
)
470 return (stream
== SNDRV_PCM_STREAM_PLAYBACK
) ?
471 &dai
->driver
->playback
: &dai
->driver
->capture
;
475 struct snd_soc_dapm_widget
*snd_soc_dai_get_widget(
476 struct snd_soc_dai
*dai
, int stream
)
478 return (stream
== SNDRV_PCM_STREAM_PLAYBACK
) ?
479 dai
->playback_widget
: dai
->capture_widget
;
482 static inline void *snd_soc_dai_get_dma_data(const struct snd_soc_dai
*dai
,
483 const struct snd_pcm_substream
*ss
)
485 return (ss
->stream
== SNDRV_PCM_STREAM_PLAYBACK
) ?
486 dai
->playback_dma_data
: dai
->capture_dma_data
;
489 static inline void snd_soc_dai_set_dma_data(struct snd_soc_dai
*dai
,
490 const struct snd_pcm_substream
*ss
,
493 if (ss
->stream
== SNDRV_PCM_STREAM_PLAYBACK
)
494 dai
->playback_dma_data
= data
;
496 dai
->capture_dma_data
= data
;
499 static inline void snd_soc_dai_init_dma_data(struct snd_soc_dai
*dai
,
500 void *playback
, void *capture
)
502 dai
->playback_dma_data
= playback
;
503 dai
->capture_dma_data
= capture
;
506 static inline void snd_soc_dai_set_drvdata(struct snd_soc_dai
*dai
,
509 dev_set_drvdata(dai
->dev
, data
);
512 static inline void *snd_soc_dai_get_drvdata(struct snd_soc_dai
*dai
)
514 return dev_get_drvdata(dai
->dev
);
518 * snd_soc_dai_set_sdw_stream() - Configures a DAI for SDW stream operation
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.
526 * This should be invoked with NULL to clear the stream set previously.
527 * Returns 0 on success, a negative error code otherwise.
529 static inline int snd_soc_dai_set_sdw_stream(struct snd_soc_dai
*dai
,
530 void *stream
, int direction
)
532 if (dai
->driver
->ops
->set_sdw_stream
)
533 return dai
->driver
->ops
->set_sdw_stream(dai
, stream
, direction
);
539 * snd_soc_dai_get_sdw_stream() - Retrieves SDW stream from DAI
541 * @direction: Stream direction(Playback/Capture)
543 * This routine only retrieves that was previously configured
544 * with snd_soc_dai_get_sdw_stream()
546 * Returns pointer to stream or an ERR_PTR value, e.g.
547 * ERR_PTR(-ENOTSUPP) if callback is not supported;
549 static inline void *snd_soc_dai_get_sdw_stream(struct snd_soc_dai
*dai
,
552 if (dai
->driver
->ops
->get_sdw_stream
)
553 return dai
->driver
->ops
->get_sdw_stream(dai
, direction
);
555 return ERR_PTR(-ENOTSUPP
);
558 static inline unsigned int
559 snd_soc_dai_stream_active(struct snd_soc_dai
*dai
, int stream
)
561 return dai
->stream_active
[stream
];