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soc-dai.h
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linux-6.19.14/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 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 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/* when passed to set_fmt directly indicate if the device is provider or consumer */ 122#define SND_SOC_DAIFMT_BP_FP SND_SOC_DAIFMT_CBP_CFP 123#define SND_SOC_DAIFMT_BC_FP SND_SOC_DAIFMT_CBC_CFP 124#define SND_SOC_DAIFMT_BP_FC SND_SOC_DAIFMT_CBP_CFC 125#define SND_SOC_DAIFMT_BC_FC 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 160struct snd_soc_dai_driver; 161struct snd_soc_dai; 162struct snd_ac97_bus_ops; 163 164/* Digital Audio Interface clocking API.*/ 165int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, 166 unsigned int freq, int dir); 167 168int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, 169 int div_id, int div); 170 171int 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 174int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio); 175 176/* Digital Audio interface formatting */ 177int snd_soc_dai_get_fmt_max_priority(const struct snd_soc_pcm_runtime *rtd); 178u64 snd_soc_dai_get_fmt(const struct snd_soc_dai *dai, int priority); 179int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt); 180 181int 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 184int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, 185 unsigned int tx_num, const unsigned int *tx_slot, 186 unsigned int rx_num, const unsigned int *rx_slot); 187 188int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate); 189 190int snd_soc_dai_prepare(struct snd_soc_dai *dai, 191 struct snd_pcm_substream *substream); 192 193/* Digital Audio Interface mute */ 194int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, 195 int direction); 196int snd_soc_dai_mute_is_ctrled_at_trigger(struct snd_soc_dai *dai); 197 198int snd_soc_dai_get_channel_map(const struct snd_soc_dai *dai, 199 unsigned int *tx_num, unsigned int *tx_slot, 200 unsigned int *rx_num, unsigned int *rx_slot); 201 202int snd_soc_dai_is_dummy(const struct snd_soc_dai *dai); 203 204int snd_soc_dai_hw_params(struct snd_soc_dai *dai, 205 struct snd_pcm_substream *substream, 206 struct snd_pcm_hw_params *params); 207void snd_soc_dai_hw_free(struct snd_soc_dai *dai, 208 struct snd_pcm_substream *substream, 209 int rollback); 210int snd_soc_dai_startup(struct snd_soc_dai *dai, 211 struct snd_pcm_substream *substream); 212void snd_soc_dai_shutdown(struct snd_soc_dai *dai, 213 struct snd_pcm_substream *substream, int rollback); 214void snd_soc_dai_suspend(struct snd_soc_dai *dai); 215void snd_soc_dai_resume(struct snd_soc_dai *dai); 216int snd_soc_dai_compress_new(struct snd_soc_dai *dai, struct snd_soc_pcm_runtime *rtd); 217bool snd_soc_dai_stream_valid(const struct snd_soc_dai *dai, int stream); 218void snd_soc_dai_action(struct snd_soc_dai *dai, 219 int stream, int action); 220static inline void snd_soc_dai_activate(struct snd_soc_dai *dai, 221 int stream) 222{ 223 snd_soc_dai_action(dai, stream, 1); 224} 225static inline void snd_soc_dai_deactivate(struct snd_soc_dai *dai, 226 int stream) 227{ 228 snd_soc_dai_action(dai, stream, -1); 229} 230int snd_soc_dai_active(const struct snd_soc_dai *dai); 231 232int snd_soc_pcm_dai_probe(struct snd_soc_pcm_runtime *rtd, int order); 233int snd_soc_pcm_dai_remove(struct snd_soc_pcm_runtime *rtd, int order); 234int snd_soc_pcm_dai_new(struct snd_soc_pcm_runtime *rtd); 235int snd_soc_pcm_dai_prepare(struct snd_pcm_substream *substream); 236int snd_soc_pcm_dai_trigger(struct snd_pcm_substream *substream, int cmd, 237 int rollback); 238void snd_soc_pcm_dai_delay(struct snd_pcm_substream *substream, 239 snd_pcm_sframes_t *cpu_delay, snd_pcm_sframes_t *codec_delay); 240 241int snd_soc_dai_compr_startup(struct snd_soc_dai *dai, 242 struct snd_compr_stream *cstream); 243void snd_soc_dai_compr_shutdown(struct snd_soc_dai *dai, 244 struct snd_compr_stream *cstream, 245 int rollback); 246int snd_soc_dai_compr_trigger(struct snd_soc_dai *dai, 247 struct snd_compr_stream *cstream, int cmd); 248int snd_soc_dai_compr_set_params(struct snd_soc_dai *dai, 249 struct snd_compr_stream *cstream, 250 struct snd_compr_params *params); 251int snd_soc_dai_compr_get_params(struct snd_soc_dai *dai, 252 struct snd_compr_stream *cstream, 253 struct snd_codec *params); 254int snd_soc_dai_compr_ack(struct snd_soc_dai *dai, 255 struct snd_compr_stream *cstream, 256 size_t bytes); 257int snd_soc_dai_compr_pointer(struct snd_soc_dai *dai, 258 struct snd_compr_stream *cstream, 259 struct snd_compr_tstamp64 *tstamp); 260int snd_soc_dai_compr_set_metadata(struct snd_soc_dai *dai, 261 struct snd_compr_stream *cstream, 262 struct snd_compr_metadata *metadata); 263int snd_soc_dai_compr_get_metadata(struct snd_soc_dai *dai, 264 struct snd_compr_stream *cstream, 265 struct snd_compr_metadata *metadata); 266 267const char *snd_soc_dai_name_get(const struct snd_soc_dai *dai); 268 269struct snd_soc_dai_ops { 270 /* DAI driver callbacks */ 271 int (*probe)(struct snd_soc_dai *dai); 272 int (*remove)(struct snd_soc_dai *dai); 273 /* compress dai */ 274 int (*compress_new)(struct snd_soc_pcm_runtime *rtd); 275 /* Optional Callback used at pcm creation*/ 276 int (*pcm_new)(struct snd_soc_pcm_runtime *rtd, 277 struct snd_soc_dai *dai); 278 279 /* 280 * DAI clocking configuration, all optional. 281 * Called by soc_card drivers, normally in their hw_params. 282 */ 283 int (*set_sysclk)(struct snd_soc_dai *dai, 284 int clk_id, unsigned int freq, int dir); 285 int (*set_pll)(struct snd_soc_dai *dai, int pll_id, int source, 286 unsigned int freq_in, unsigned int freq_out); 287 int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div); 288 int (*set_bclk_ratio)(struct snd_soc_dai *dai, unsigned int ratio); 289 290 /* 291 * DAI format configuration 292 * Called by soc_card drivers, normally in their hw_params. 293 */ 294 int (*set_fmt)(struct snd_soc_dai *dai, unsigned int fmt); 295 int (*xlate_tdm_slot_mask)(unsigned int slots, 296 unsigned int *tx_mask, unsigned int *rx_mask); 297 int (*set_tdm_slot)(struct snd_soc_dai *dai, 298 unsigned int tx_mask, unsigned int rx_mask, 299 int slots, int slot_width); 300 int (*set_channel_map)(struct snd_soc_dai *dai, 301 unsigned int tx_num, const unsigned int *tx_slot, 302 unsigned int rx_num, const unsigned int *rx_slot); 303 int (*get_channel_map)(const struct snd_soc_dai *dai, 304 unsigned int *tx_num, unsigned int *tx_slot, 305 unsigned int *rx_num, unsigned int *rx_slot); 306 int (*set_tristate)(struct snd_soc_dai *dai, int tristate); 307 308 int (*set_stream)(struct snd_soc_dai *dai, 309 void *stream, int direction); 310 void *(*get_stream)(struct snd_soc_dai *dai, int direction); 311 312 /* 313 * DAI digital mute - optional. 314 * Called by soc-core to minimise any pops. 315 */ 316 int (*mute_stream)(struct snd_soc_dai *dai, int mute, int stream); 317 318 /* 319 * ALSA PCM audio operations - all optional. 320 * Called by soc-core during audio PCM operations. 321 */ 322 int (*startup)(struct snd_pcm_substream *, 323 struct snd_soc_dai *); 324 void (*shutdown)(struct snd_pcm_substream *, 325 struct snd_soc_dai *); 326 int (*hw_params)(struct snd_pcm_substream *, 327 struct snd_pcm_hw_params *, struct snd_soc_dai *); 328 int (*hw_free)(struct snd_pcm_substream *, 329 struct snd_soc_dai *); 330 int (*prepare)(struct snd_pcm_substream *, 331 struct snd_soc_dai *); 332 /* 333 * NOTE: Commands passed to the trigger function are not necessarily 334 * compatible with the current state of the dai. For example this 335 * sequence of commands is possible: START STOP STOP. 336 * So do not unconditionally use refcounting functions in the trigger 337 * function, e.g. clk_enable/disable. 338 */ 339 int (*trigger)(struct snd_pcm_substream *, int, 340 struct snd_soc_dai *); 341 342 /* 343 * For hardware based FIFO caused delay reporting. 344 * Optional. 345 */ 346 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *, 347 struct snd_soc_dai *); 348 349 /* 350 * Format list for auto selection. 351 * Format will be increased if priority format was 352 * not selected. 353 * see 354 * snd_soc_dai_get_fmt() 355 */ 356 const u64 *auto_selectable_formats; 357 int num_auto_selectable_formats; 358 359 /* probe ordering - for components with runtime dependencies */ 360 int probe_order; 361 int remove_order; 362 363 /* bit field */ 364 unsigned int no_capture_mute:1; 365 unsigned int mute_unmute_on_trigger:1; 366}; 367 368struct snd_soc_cdai_ops { 369 /* 370 * for compress ops 371 */ 372 int (*startup)(struct snd_compr_stream *, 373 struct snd_soc_dai *); 374 int (*shutdown)(struct snd_compr_stream *, 375 struct snd_soc_dai *); 376 int (*set_params)(struct snd_compr_stream *, 377 struct snd_compr_params *, struct snd_soc_dai *); 378 int (*get_params)(struct snd_compr_stream *, 379 struct snd_codec *, struct snd_soc_dai *); 380 int (*set_metadata)(struct snd_compr_stream *, 381 struct snd_compr_metadata *, struct snd_soc_dai *); 382 int (*get_metadata)(struct snd_compr_stream *, 383 struct snd_compr_metadata *, struct snd_soc_dai *); 384 int (*trigger)(struct snd_compr_stream *, int, 385 struct snd_soc_dai *); 386 int (*pointer)(struct snd_compr_stream *stream, 387 struct snd_compr_tstamp64 *tstamp, 388 struct snd_soc_dai *dai); 389 int (*ack)(struct snd_compr_stream *, size_t, 390 struct snd_soc_dai *); 391}; 392 393/* 394 * Digital Audio Interface Driver. 395 * 396 * Describes the Digital Audio Interface in terms of its ALSA, DAI and AC97 397 * operations and capabilities. Codec and platform drivers will register this 398 * structure for every DAI they have. 399 * 400 * This structure covers the clocking, formating and ALSA operations for each 401 * interface. 402 */ 403struct snd_soc_dai_driver { 404 /* DAI description */ 405 const char *name; 406 unsigned int id; 407 unsigned int base; 408 struct snd_soc_dobj dobj; 409 const struct of_phandle_args *dai_args; 410 411 /* ops */ 412 const struct snd_soc_dai_ops *ops; 413 const struct snd_soc_cdai_ops *cops; 414 415 /* DAI capabilities */ 416 struct snd_soc_pcm_stream capture; 417 struct snd_soc_pcm_stream playback; 418 unsigned int symmetric_rate:1; 419 unsigned int symmetric_channels:1; 420 unsigned int symmetric_sample_bits:1; 421}; 422 423/* for Playback/Capture */ 424struct snd_soc_dai_stream { 425 struct snd_soc_dapm_widget *widget; 426 427 unsigned int active; /* usage count */ 428 unsigned int tdm_mask; /* CODEC TDM slot masks and params (for fixup) */ 429 430 void *dma_data; /* DAI DMA data */ 431}; 432 433/* 434 * Digital Audio Interface runtime data. 435 * 436 * Holds runtime data for a DAI. 437 */ 438struct snd_soc_dai { 439 const char *name; 440 int id; 441 struct device *dev; 442 443 /* driver ops */ 444 struct snd_soc_dai_driver *driver; 445 446 /* DAI runtime info */ 447 struct snd_soc_dai_stream stream[SNDRV_PCM_STREAM_LAST + 1]; 448 449 /* Symmetry data - only valid if symmetry is being enforced */ 450 unsigned int symmetric_rate; 451 unsigned int symmetric_channels; 452 unsigned int symmetric_sample_bits; 453 454 /* parent platform/codec */ 455 struct snd_soc_component *component; 456 457 struct list_head list; 458 459 /* function mark */ 460 struct snd_pcm_substream *mark_startup; 461 struct snd_pcm_substream *mark_hw_params; 462 struct snd_pcm_substream *mark_trigger; 463 struct snd_compr_stream *mark_compr_startup; 464 465 /* bit field */ 466 unsigned int probed:1; 467 468 /* DAI private data */ 469 void *priv; 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 inline 482struct 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 inline 490void 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 operation 549 * @dai: DAI 550 * @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 reuse 553 * 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 else 565 return -ENOTSUPP; 566} 567 568/** 569 * snd_soc_dai_get_stream() - Retrieves stream from DAI 570 * @dai: DAI 571 * @direction: Stream direction(Playback/Capture) 572 * 573 * This routine only retrieves that was previously configured 574 * 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 else 585 return ERR_PTR(-ENOTSUPP); 586} 587 588#endif
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