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13#ifndef __LINUX_SND_SOC_DAI_H
14#define __LINUX_SND_SOC_DAI_H
15
16
17#include <linux/list.h>
18
19struct snd_pcm_substream;
20struct snd_soc_dapm_widget;
21struct snd_compr_stream;
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28
29#define SND_SOC_DAIFMT_I2S 1
30#define SND_SOC_DAIFMT_RIGHT_J 2
31#define SND_SOC_DAIFMT_LEFT_J 3
32#define SND_SOC_DAIFMT_DSP_A 4
33#define SND_SOC_DAIFMT_DSP_B 5
34#define SND_SOC_DAIFMT_AC97 6
35#define SND_SOC_DAIFMT_PDM 7
36
37
38#define SND_SOC_DAIFMT_MSB SND_SOC_DAIFMT_LEFT_J
39#define SND_SOC_DAIFMT_LSB SND_SOC_DAIFMT_RIGHT_J
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45
46
47#define SND_SOC_DAIFMT_CONT (1 << 4)
48#define SND_SOC_DAIFMT_GATED (0 << 4)
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71#define SND_SOC_DAIFMT_NB_NF (0 << 8)
72#define SND_SOC_DAIFMT_NB_IF (2 << 8)
73#define SND_SOC_DAIFMT_IB_NF (3 << 8)
74#define SND_SOC_DAIFMT_IB_IF (4 << 8)
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82
83#define SND_SOC_DAIFMT_CBM_CFM (1 << 12)
84#define SND_SOC_DAIFMT_CBS_CFM (2 << 12)
85#define SND_SOC_DAIFMT_CBM_CFS (3 << 12)
86#define SND_SOC_DAIFMT_CBS_CFS (4 << 12)
87
88#define SND_SOC_DAIFMT_FORMAT_MASK 0x000f
89#define SND_SOC_DAIFMT_CLOCK_MASK 0x00f0
90#define SND_SOC_DAIFMT_INV_MASK 0x0f00
91#define SND_SOC_DAIFMT_MASTER_MASK 0xf000
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93
94
95
96#define SND_SOC_CLOCK_IN 0
97#define SND_SOC_CLOCK_OUT 1
98
99#define SND_SOC_STD_AC97_FMTS (SNDRV_PCM_FMTBIT_S8 |\
100 SNDRV_PCM_FMTBIT_S16_LE |\
101 SNDRV_PCM_FMTBIT_S16_BE |\
102 SNDRV_PCM_FMTBIT_S20_3LE |\
103 SNDRV_PCM_FMTBIT_S20_3BE |\
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
141int snd_soc_dai_is_dummy(struct snd_soc_dai *dai);
142
143struct snd_soc_dai_ops {
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147
148 int (*set_sysclk)(struct snd_soc_dai *dai,
149 int clk_id, unsigned int freq, int dir);
150 int (*set_pll)(struct snd_soc_dai *dai, int pll_id, int source,
151 unsigned int freq_in, unsigned int freq_out);
152 int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div);
153 int (*set_bclk_ratio)(struct snd_soc_dai *dai, unsigned int ratio);
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159 int (*set_fmt)(struct snd_soc_dai *dai, unsigned int fmt);
160 int (*xlate_tdm_slot_mask)(unsigned int slots,
161 unsigned int *tx_mask, unsigned int *rx_mask);
162 int (*set_tdm_slot)(struct snd_soc_dai *dai,
163 unsigned int tx_mask, unsigned int rx_mask,
164 int slots, int slot_width);
165 int (*set_channel_map)(struct snd_soc_dai *dai,
166 unsigned int tx_num, unsigned int *tx_slot,
167 unsigned int rx_num, unsigned int *rx_slot);
168 int (*set_tristate)(struct snd_soc_dai *dai, int tristate);
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174 int (*digital_mute)(struct snd_soc_dai *dai, int mute);
175 int (*mute_stream)(struct snd_soc_dai *dai, int mute, int stream);
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180
181 int (*startup)(struct snd_pcm_substream *,
182 struct snd_soc_dai *);
183 void (*shutdown)(struct snd_pcm_substream *,
184 struct snd_soc_dai *);
185 int (*hw_params)(struct snd_pcm_substream *,
186 struct snd_pcm_hw_params *, struct snd_soc_dai *);
187 int (*hw_free)(struct snd_pcm_substream *,
188 struct snd_soc_dai *);
189 int (*prepare)(struct snd_pcm_substream *,
190 struct snd_soc_dai *);
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197
198 int (*trigger)(struct snd_pcm_substream *, int,
199 struct snd_soc_dai *);
200 int (*bespoke_trigger)(struct snd_pcm_substream *, int,
201 struct snd_soc_dai *);
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206 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
207 struct snd_soc_dai *);
208};
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219
220struct snd_soc_dai_driver {
221
222 const char *name;
223 unsigned int id;
224 unsigned int base;
225 struct snd_soc_dobj dobj;
226
227
228 int (*probe)(struct snd_soc_dai *dai);
229 int (*remove)(struct snd_soc_dai *dai);
230 int (*suspend)(struct snd_soc_dai *dai);
231 int (*resume)(struct snd_soc_dai *dai);
232
233 int (*compress_new)(struct snd_soc_pcm_runtime *rtd, int num);
234
235 bool bus_control;
236
237
238 const struct snd_soc_dai_ops *ops;
239
240
241 struct snd_soc_pcm_stream capture;
242 struct snd_soc_pcm_stream playback;
243 unsigned int symmetric_rates:1;
244 unsigned int symmetric_channels:1;
245 unsigned int symmetric_samplebits:1;
246
247
248 int probe_order;
249 int remove_order;
250};
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256
257struct snd_soc_dai {
258 const char *name;
259 int id;
260 struct device *dev;
261
262
263 struct snd_soc_dai_driver *driver;
264
265
266 unsigned int capture_active:1;
267 unsigned int playback_active:1;
268 unsigned int symmetric_rates:1;
269 unsigned int symmetric_channels:1;
270 unsigned int symmetric_samplebits:1;
271 unsigned int active;
272 unsigned char probed:1;
273
274 struct snd_soc_dapm_widget *playback_widget;
275 struct snd_soc_dapm_widget *capture_widget;
276
277
278 void *playback_dma_data;
279 void *capture_dma_data;
280
281
282 unsigned int rate;
283 unsigned int channels;
284 unsigned int sample_bits;
285
286
287 struct snd_soc_codec *codec;
288 struct snd_soc_component *component;
289
290
291 unsigned int tx_mask;
292 unsigned int rx_mask;
293
294 struct list_head list;
295};
296
297static inline void *snd_soc_dai_get_dma_data(const struct snd_soc_dai *dai,
298 const struct snd_pcm_substream *ss)
299{
300 return (ss->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
301 dai->playback_dma_data : dai->capture_dma_data;
302}
303
304static inline void snd_soc_dai_set_dma_data(struct snd_soc_dai *dai,
305 const struct snd_pcm_substream *ss,
306 void *data)
307{
308 if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)
309 dai->playback_dma_data = data;
310 else
311 dai->capture_dma_data = data;
312}
313
314static inline void snd_soc_dai_init_dma_data(struct snd_soc_dai *dai,
315 void *playback, void *capture)
316{
317 dai->playback_dma_data = playback;
318 dai->capture_dma_data = capture;
319}
320
321static inline void snd_soc_dai_set_drvdata(struct snd_soc_dai *dai,
322 void *data)
323{
324 dev_set_drvdata(dai->dev, data);
325}
326
327static inline void *snd_soc_dai_get_drvdata(struct snd_soc_dai *dai)
328{
329 return dev_get_drvdata(dai->dev);
330}
331
332#endif
333