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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;
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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
36#define SND_SOC_DAIFMT_MSB SND_SOC_DAIFMT_LEFT_J
37#define SND_SOC_DAIFMT_LSB SND_SOC_DAIFMT_RIGHT_J
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44
45#define SND_SOC_DAIFMT_CONT (1 << 4)
46#define SND_SOC_DAIFMT_GATED (0 << 4)
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69#define SND_SOC_DAIFMT_NB_NF (0 << 8)
70#define SND_SOC_DAIFMT_NB_IF (2 << 8)
71#define SND_SOC_DAIFMT_IB_NF (3 << 8)
72#define SND_SOC_DAIFMT_IB_IF (4 << 8)
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80
81#define SND_SOC_DAIFMT_CBM_CFM (1 << 12)
82#define SND_SOC_DAIFMT_CBS_CFM (2 << 12)
83#define SND_SOC_DAIFMT_CBM_CFS (3 << 12)
84#define SND_SOC_DAIFMT_CBS_CFS (4 << 12)
85
86#define SND_SOC_DAIFMT_FORMAT_MASK 0x000f
87#define SND_SOC_DAIFMT_CLOCK_MASK 0x00f0
88#define SND_SOC_DAIFMT_INV_MASK 0x0f00
89#define SND_SOC_DAIFMT_MASTER_MASK 0xf000
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93
94#define SND_SOC_CLOCK_IN 0
95#define SND_SOC_CLOCK_OUT 1
96
97#define SND_SOC_STD_AC97_FMTS (SNDRV_PCM_FMTBIT_S8 |\
98 SNDRV_PCM_FMTBIT_S16_LE |\
99 SNDRV_PCM_FMTBIT_S16_BE |\
100 SNDRV_PCM_FMTBIT_S20_3LE |\
101 SNDRV_PCM_FMTBIT_S20_3BE |\
102 SNDRV_PCM_FMTBIT_S20_LE |\
103 SNDRV_PCM_FMTBIT_S20_BE |\
104 SNDRV_PCM_FMTBIT_S24_3LE |\
105 SNDRV_PCM_FMTBIT_S24_3BE |\
106 SNDRV_PCM_FMTBIT_S32_LE |\
107 SNDRV_PCM_FMTBIT_S32_BE)
108
109struct snd_soc_dai_driver;
110struct snd_soc_dai;
111struct snd_ac97_bus_ops;
112
113
114int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
115 unsigned int freq, int dir);
116
117int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
118 int div_id, int div);
119
120int snd_soc_dai_set_pll(struct snd_soc_dai *dai,
121 int pll_id, int source, unsigned int freq_in, unsigned int freq_out);
122
123int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio);
124
125
126int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt);
127
128int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
129 unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width);
130
131int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai,
132 unsigned int tx_num, unsigned int *tx_slot,
133 unsigned int rx_num, unsigned int *rx_slot);
134
135int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate);
136
137
138int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute,
139 int direction);
140
141
142int snd_soc_dai_get_channel_map(struct snd_soc_dai *dai,
143 unsigned int *tx_num, unsigned int *tx_slot,
144 unsigned int *rx_num, unsigned int *rx_slot);
145
146int snd_soc_dai_is_dummy(struct snd_soc_dai *dai);
147
148struct snd_soc_dai_ops {
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153 int (*set_sysclk)(struct snd_soc_dai *dai,
154 int clk_id, unsigned int freq, int dir);
155 int (*set_pll)(struct snd_soc_dai *dai, int pll_id, int source,
156 unsigned int freq_in, unsigned int freq_out);
157 int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div);
158 int (*set_bclk_ratio)(struct snd_soc_dai *dai, unsigned int ratio);
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164 int (*set_fmt)(struct snd_soc_dai *dai, unsigned int fmt);
165 int (*xlate_tdm_slot_mask)(unsigned int slots,
166 unsigned int *tx_mask, unsigned int *rx_mask);
167 int (*set_tdm_slot)(struct snd_soc_dai *dai,
168 unsigned int tx_mask, unsigned int rx_mask,
169 int slots, int slot_width);
170 int (*set_channel_map)(struct snd_soc_dai *dai,
171 unsigned int tx_num, unsigned int *tx_slot,
172 unsigned int rx_num, unsigned int *rx_slot);
173 int (*get_channel_map)(struct snd_soc_dai *dai,
174 unsigned int *tx_num, unsigned int *tx_slot,
175 unsigned int *rx_num, unsigned int *rx_slot);
176 int (*set_tristate)(struct snd_soc_dai *dai, int tristate);
177
178 int (*set_sdw_stream)(struct snd_soc_dai *dai,
179 void *stream, int direction);
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184 int (*digital_mute)(struct snd_soc_dai *dai, int mute);
185 int (*mute_stream)(struct snd_soc_dai *dai, int mute, int stream);
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190
191 int (*startup)(struct snd_pcm_substream *,
192 struct snd_soc_dai *);
193 void (*shutdown)(struct snd_pcm_substream *,
194 struct snd_soc_dai *);
195 int (*hw_params)(struct snd_pcm_substream *,
196 struct snd_pcm_hw_params *, struct snd_soc_dai *);
197 int (*hw_free)(struct snd_pcm_substream *,
198 struct snd_soc_dai *);
199 int (*prepare)(struct snd_pcm_substream *,
200 struct snd_soc_dai *);
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208 int (*trigger)(struct snd_pcm_substream *, int,
209 struct snd_soc_dai *);
210 int (*bespoke_trigger)(struct snd_pcm_substream *, int,
211 struct snd_soc_dai *);
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216 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
217 struct snd_soc_dai *);
218};
219
220struct snd_soc_cdai_ops {
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224 int (*startup)(struct snd_compr_stream *,
225 struct snd_soc_dai *);
226 int (*shutdown)(struct snd_compr_stream *,
227 struct snd_soc_dai *);
228 int (*set_params)(struct snd_compr_stream *,
229 struct snd_compr_params *, struct snd_soc_dai *);
230 int (*get_params)(struct snd_compr_stream *,
231 struct snd_codec *, struct snd_soc_dai *);
232 int (*set_metadata)(struct snd_compr_stream *,
233 struct snd_compr_metadata *, struct snd_soc_dai *);
234 int (*get_metadata)(struct snd_compr_stream *,
235 struct snd_compr_metadata *, struct snd_soc_dai *);
236 int (*trigger)(struct snd_compr_stream *, int,
237 struct snd_soc_dai *);
238 int (*pointer)(struct snd_compr_stream *,
239 struct snd_compr_tstamp *, struct snd_soc_dai *);
240 int (*ack)(struct snd_compr_stream *, size_t,
241 struct snd_soc_dai *);
242};
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253
254struct snd_soc_dai_driver {
255
256 const char *name;
257 unsigned int id;
258 unsigned int base;
259 struct snd_soc_dobj dobj;
260
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262 int (*probe)(struct snd_soc_dai *dai);
263 int (*remove)(struct snd_soc_dai *dai);
264 int (*suspend)(struct snd_soc_dai *dai);
265 int (*resume)(struct snd_soc_dai *dai);
266
267 int (*compress_new)(struct snd_soc_pcm_runtime *rtd, int num);
268
269 int (*pcm_new)(struct snd_soc_pcm_runtime *rtd,
270 struct snd_soc_dai *dai);
271
272 bool bus_control;
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274
275 const struct snd_soc_dai_ops *ops;
276 const struct snd_soc_cdai_ops *cops;
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278
279 struct snd_soc_pcm_stream capture;
280 struct snd_soc_pcm_stream playback;
281 unsigned int symmetric_rates:1;
282 unsigned int symmetric_channels:1;
283 unsigned int symmetric_samplebits:1;
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285
286 int probe_order;
287 int remove_order;
288};
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295struct snd_soc_dai {
296 const char *name;
297 int id;
298 struct device *dev;
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301 struct snd_soc_dai_driver *driver;
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304 unsigned int capture_active;
305 unsigned int playback_active;
306 unsigned int probed:1;
307
308 unsigned int active;
309
310 struct snd_soc_dapm_widget *playback_widget;
311 struct snd_soc_dapm_widget *capture_widget;
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314 void *playback_dma_data;
315 void *capture_dma_data;
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318 unsigned int rate;
319 unsigned int channels;
320 unsigned int sample_bits;
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323 struct snd_soc_component *component;
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326 unsigned int tx_mask;
327 unsigned int rx_mask;
328
329 struct list_head list;
330};
331
332static inline void *snd_soc_dai_get_dma_data(const struct snd_soc_dai *dai,
333 const struct snd_pcm_substream *ss)
334{
335 return (ss->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
336 dai->playback_dma_data : dai->capture_dma_data;
337}
338
339static inline void snd_soc_dai_set_dma_data(struct snd_soc_dai *dai,
340 const struct snd_pcm_substream *ss,
341 void *data)
342{
343 if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)
344 dai->playback_dma_data = data;
345 else
346 dai->capture_dma_data = data;
347}
348
349static inline void snd_soc_dai_init_dma_data(struct snd_soc_dai *dai,
350 void *playback, void *capture)
351{
352 dai->playback_dma_data = playback;
353 dai->capture_dma_data = capture;
354}
355
356static inline void snd_soc_dai_set_drvdata(struct snd_soc_dai *dai,
357 void *data)
358{
359 dev_set_drvdata(dai->dev, data);
360}
361
362static inline void *snd_soc_dai_get_drvdata(struct snd_soc_dai *dai)
363{
364 return dev_get_drvdata(dai->dev);
365}
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379static inline int snd_soc_dai_set_sdw_stream(struct snd_soc_dai *dai,
380 void *stream, int direction)
381{
382 if (dai->driver->ops->set_sdw_stream)
383 return dai->driver->ops->set_sdw_stream(dai, stream, direction);
384 else
385 return -ENOTSUPP;
386}
387
388#endif
389