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808db4a4 RP |
1 | /* |
2 | * linux/sound/soc.h -- ALSA SoC Layer | |
3 | * | |
4 | * Author: Liam Girdwood | |
5 | * Created: Aug 11th 2005 | |
6 | * Copyright: Wolfson Microelectronics. PLC. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | */ | |
12 | ||
13 | #ifndef __LINUX_SND_SOC_H | |
14 | #define __LINUX_SND_SOC_H | |
15 | ||
16 | #include <linux/platform_device.h> | |
17 | #include <linux/types.h> | |
4484bb2e | 18 | #include <linux/workqueue.h> |
808db4a4 RP |
19 | #include <sound/core.h> |
20 | #include <sound/pcm.h> | |
21 | #include <sound/control.h> | |
22 | #include <sound/ac97_codec.h> | |
23 | ||
0a22b87d | 24 | #define SND_SOC_VERSION "0.13.2" |
808db4a4 RP |
25 | |
26 | /* | |
27 | * Convenience kcontrol builders | |
28 | */ | |
a7a4ac86 PZ |
29 | #define SOC_SINGLE_VALUE(reg, shift, max, invert) ((reg) | ((shift) << 8) |\ |
30 | ((shift) << 12) | ((max) << 16) | ((invert) << 24)) | |
31 | #define SOC_SINGLE_VALUE_EXT(reg, max, invert) ((reg) | ((max) << 16) |\ | |
808db4a4 | 32 | ((invert) << 31)) |
a7a4ac86 | 33 | #define SOC_SINGLE(xname, reg, shift, max, invert) \ |
808db4a4 RP |
34 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
35 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ | |
36 | .put = snd_soc_put_volsw, \ | |
a7a4ac86 PZ |
37 | .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } |
38 | #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ | |
39 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
40 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ | |
41 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | |
42 | .tlv.p = (tlv_array), \ | |
43 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ | |
44 | .put = snd_soc_put_volsw, \ | |
45 | .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } | |
46 | #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \ | |
808db4a4 RP |
47 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
48 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ | |
49 | .put = snd_soc_put_volsw, \ | |
50 | .private_value = (reg) | ((shift_left) << 8) | \ | |
a7a4ac86 PZ |
51 | ((shift_right) << 12) | ((max) << 16) | ((invert) << 24) } |
52 | #define SOC_DOUBLE_R(xname, reg_left, reg_right, shift, max, invert) \ | |
808db4a4 RP |
53 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
54 | .info = snd_soc_info_volsw_2r, \ | |
55 | .get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \ | |
56 | .private_value = (reg_left) | ((shift) << 8) | \ | |
a7a4ac86 PZ |
57 | ((max) << 12) | ((invert) << 20) | ((reg_right) << 24) } |
58 | #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \ | |
59 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ | |
60 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ | |
61 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | |
62 | .tlv.p = (tlv_array), \ | |
63 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ | |
64 | .put = snd_soc_put_volsw, \ | |
65 | .private_value = (reg) | ((shift_left) << 8) | \ | |
66 | ((shift_right) << 12) | ((max) << 16) | ((invert) << 24) } | |
67 | #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, shift, max, invert, tlv_array) \ | |
68 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ | |
69 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ | |
70 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | |
71 | .tlv.p = (tlv_array), \ | |
72 | .info = snd_soc_info_volsw_2r, \ | |
73 | .get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \ | |
74 | .private_value = (reg_left) | ((shift) << 8) | \ | |
75 | ((max) << 12) | ((invert) << 20) | ((reg_right) << 24) } | |
808db4a4 RP |
76 | #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xtexts) \ |
77 | { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ | |
78 | .mask = xmask, .texts = xtexts } | |
79 | #define SOC_ENUM_SINGLE(xreg, xshift, xmask, xtexts) \ | |
80 | SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xtexts) | |
81 | #define SOC_ENUM_SINGLE_EXT(xmask, xtexts) \ | |
82 | { .mask = xmask, .texts = xtexts } | |
83 | #define SOC_ENUM(xname, xenum) \ | |
84 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ | |
85 | .info = snd_soc_info_enum_double, \ | |
86 | .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ | |
87 | .private_value = (unsigned long)&xenum } | |
1c433fbd | 88 | #define SOC_SINGLE_EXT(xname, xreg, xshift, xmask, xinvert,\ |
808db4a4 RP |
89 | xhandler_get, xhandler_put) \ |
90 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
1c433fbd | 91 | .info = snd_soc_info_volsw, \ |
808db4a4 | 92 | .get = xhandler_get, .put = xhandler_put, \ |
1c433fbd | 93 | .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmask, xinvert) } |
808db4a4 RP |
94 | #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ |
95 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
96 | .info = snd_soc_info_bool_ext, \ | |
97 | .get = xhandler_get, .put = xhandler_put, \ | |
98 | .private_value = xdata } | |
99 | #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ | |
100 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
101 | .info = snd_soc_info_enum_ext, \ | |
102 | .get = xhandler_get, .put = xhandler_put, \ | |
103 | .private_value = (unsigned long)&xenum } | |
104 | ||
105 | /* | |
106 | * Digital Audio Interface (DAI) types | |
107 | */ | |
108 | #define SND_SOC_DAI_AC97 0x1 | |
109 | #define SND_SOC_DAI_I2S 0x2 | |
110 | #define SND_SOC_DAI_PCM 0x4 | |
a68660e0 | 111 | #define SND_SOC_DAI_AC97_BUS 0x8 /* for custom i.e. non ac97_codec.c */ |
808db4a4 RP |
112 | |
113 | /* | |
114 | * DAI hardware audio formats | |
115 | */ | |
1c433fbd GG |
116 | #define SND_SOC_DAIFMT_I2S 0 /* I2S mode */ |
117 | #define SND_SOC_DAIFMT_RIGHT_J 1 /* Right justified mode */ | |
118 | #define SND_SOC_DAIFMT_LEFT_J 2 /* Left Justified mode */ | |
119 | #define SND_SOC_DAIFMT_DSP_A 3 /* L data msb after FRM or LRC */ | |
120 | #define SND_SOC_DAIFMT_DSP_B 4 /* L data msb during FRM or LRC */ | |
121 | #define SND_SOC_DAIFMT_AC97 5 /* AC97 */ | |
122 | ||
123 | #define SND_SOC_DAIFMT_MSB SND_SOC_DAIFMT_LEFT_J | |
124 | #define SND_SOC_DAIFMT_LSB SND_SOC_DAIFMT_RIGHT_J | |
125 | ||
126 | /* | |
127 | * DAI Gating | |
128 | */ | |
129 | #define SND_SOC_DAIFMT_CONT (0 << 4) /* continuous clock */ | |
130 | #define SND_SOC_DAIFMT_GATED (1 << 4) /* clock is gated when not Tx/Rx */ | |
808db4a4 | 131 | |
a7a4ac86 PZ |
132 | /* |
133 | * DAI Sync | |
134 | * Synchronous LR (Left Right) clocks and Frame signals. | |
135 | */ | |
136 | #define SND_SOC_DAIFMT_SYNC (0 << 5) /* Tx FRM = Rx FRM */ | |
137 | #define SND_SOC_DAIFMT_ASYNC (1 << 5) /* Tx FRM ~ Rx FRM */ | |
138 | ||
139 | /* | |
140 | * TDM | |
141 | */ | |
142 | #define SND_SOC_DAIFMT_TDM (1 << 6) | |
143 | ||
808db4a4 RP |
144 | /* |
145 | * DAI hardware signal inversions | |
146 | */ | |
a7a4ac86 | 147 | #define SND_SOC_DAIFMT_NB_NF (0 << 8) /* normal bclk + frm */ |
1c433fbd GG |
148 | #define SND_SOC_DAIFMT_NB_IF (1 << 8) /* normal bclk + inv frm */ |
149 | #define SND_SOC_DAIFMT_IB_NF (2 << 8) /* invert bclk + nor frm */ | |
150 | #define SND_SOC_DAIFMT_IB_IF (3 << 8) /* invert bclk + frm */ | |
808db4a4 RP |
151 | |
152 | /* | |
153 | * DAI hardware clock masters | |
154 | * This is wrt the codec, the inverse is true for the interface | |
155 | * i.e. if the codec is clk and frm master then the interface is | |
156 | * clk and frame slave. | |
157 | */ | |
1c433fbd GG |
158 | #define SND_SOC_DAIFMT_CBM_CFM (0 << 12) /* codec clk & frm master */ |
159 | #define SND_SOC_DAIFMT_CBS_CFM (1 << 12) /* codec clk slave & frm master */ | |
160 | #define SND_SOC_DAIFMT_CBM_CFS (2 << 12) /* codec clk master & frame slave */ | |
161 | #define SND_SOC_DAIFMT_CBS_CFS (3 << 12) /* codec clk & frm slave */ | |
808db4a4 | 162 | |
1c433fbd GG |
163 | #define SND_SOC_DAIFMT_FORMAT_MASK 0x000f |
164 | #define SND_SOC_DAIFMT_CLOCK_MASK 0x00f0 | |
808db4a4 | 165 | #define SND_SOC_DAIFMT_INV_MASK 0x0f00 |
1c433fbd | 166 | #define SND_SOC_DAIFMT_MASTER_MASK 0xf000 |
808db4a4 | 167 | |
808db4a4 RP |
168 | |
169 | /* | |
1c433fbd | 170 | * Master Clock Directions |
808db4a4 | 171 | */ |
1c433fbd GG |
172 | #define SND_SOC_CLOCK_IN 0 |
173 | #define SND_SOC_CLOCK_OUT 1 | |
808db4a4 RP |
174 | |
175 | /* | |
176 | * AC97 codec ID's bitmask | |
177 | */ | |
178 | #define SND_SOC_DAI_AC97_ID0 (1 << 0) | |
179 | #define SND_SOC_DAI_AC97_ID1 (1 << 1) | |
180 | #define SND_SOC_DAI_AC97_ID2 (1 << 2) | |
181 | #define SND_SOC_DAI_AC97_ID3 (1 << 3) | |
182 | ||
183 | struct snd_soc_device; | |
184 | struct snd_soc_pcm_stream; | |
185 | struct snd_soc_ops; | |
186 | struct snd_soc_dai_mode; | |
187 | struct snd_soc_pcm_runtime; | |
188 | struct snd_soc_codec_dai; | |
189 | struct snd_soc_cpu_dai; | |
190 | struct snd_soc_codec; | |
191 | struct snd_soc_machine_config; | |
192 | struct soc_enum; | |
193 | struct snd_soc_ac97_ops; | |
194 | struct snd_soc_clock_info; | |
195 | ||
196 | typedef int (*hw_write_t)(void *,const char* ,int); | |
197 | typedef int (*hw_read_t)(void *,char* ,int); | |
198 | ||
199 | extern struct snd_ac97_bus_ops soc_ac97_ops; | |
200 | ||
201 | /* pcm <-> DAI connect */ | |
202 | void snd_soc_free_pcms(struct snd_soc_device *socdev); | |
203 | int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid); | |
204 | int snd_soc_register_card(struct snd_soc_device *socdev); | |
205 | ||
206 | /* set runtime hw params */ | |
207 | int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, | |
208 | const struct snd_pcm_hardware *hw); | |
808db4a4 RP |
209 | |
210 | /* codec IO */ | |
211 | #define snd_soc_read(codec, reg) codec->read(codec, reg) | |
212 | #define snd_soc_write(codec, reg, value) codec->write(codec, reg, value) | |
213 | ||
214 | /* codec register bit access */ | |
215 | int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, | |
216 | unsigned short mask, unsigned short value); | |
217 | int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, | |
218 | unsigned short mask, unsigned short value); | |
219 | ||
220 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, | |
221 | struct snd_ac97_bus_ops *ops, int num); | |
222 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec); | |
223 | ||
224 | /* | |
225 | *Controls | |
226 | */ | |
227 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
228 | void *data, char *long_name); | |
229 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, | |
230 | struct snd_ctl_elem_info *uinfo); | |
231 | int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol, | |
232 | struct snd_ctl_elem_info *uinfo); | |
233 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, | |
234 | struct snd_ctl_elem_value *ucontrol); | |
235 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, | |
236 | struct snd_ctl_elem_value *ucontrol); | |
237 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, | |
238 | struct snd_ctl_elem_info *uinfo); | |
239 | int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol, | |
240 | struct snd_ctl_elem_info *uinfo); | |
392abe9c | 241 | #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info |
808db4a4 RP |
242 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, |
243 | struct snd_ctl_elem_value *ucontrol); | |
244 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, | |
245 | struct snd_ctl_elem_value *ucontrol); | |
246 | int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol, | |
247 | struct snd_ctl_elem_info *uinfo); | |
248 | int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol, | |
249 | struct snd_ctl_elem_value *ucontrol); | |
250 | int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol, | |
251 | struct snd_ctl_elem_value *ucontrol); | |
252 | ||
253 | /* SoC PCM stream information */ | |
254 | struct snd_soc_pcm_stream { | |
255 | char *stream_name; | |
1c433fbd GG |
256 | u64 formats; /* SNDRV_PCM_FMTBIT_* */ |
257 | unsigned int rates; /* SNDRV_PCM_RATE_* */ | |
808db4a4 RP |
258 | unsigned int rate_min; /* min rate */ |
259 | unsigned int rate_max; /* max rate */ | |
260 | unsigned int channels_min; /* min channels */ | |
261 | unsigned int channels_max; /* max channels */ | |
262 | unsigned int active:1; /* stream is in use */ | |
263 | }; | |
264 | ||
265 | /* SoC audio ops */ | |
266 | struct snd_soc_ops { | |
267 | int (*startup)(struct snd_pcm_substream *); | |
268 | void (*shutdown)(struct snd_pcm_substream *); | |
269 | int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); | |
270 | int (*hw_free)(struct snd_pcm_substream *); | |
271 | int (*prepare)(struct snd_pcm_substream *); | |
272 | int (*trigger)(struct snd_pcm_substream *, int); | |
273 | }; | |
274 | ||
1ef6ab75 MB |
275 | /* ASoC DAI ops */ |
276 | struct snd_soc_dai_ops { | |
277 | /* DAI clocking configuration */ | |
1c433fbd GG |
278 | int (*set_sysclk)(struct snd_soc_codec_dai *codec_dai, |
279 | int clk_id, unsigned int freq, int dir); | |
280 | int (*set_pll)(struct snd_soc_codec_dai *codec_dai, | |
281 | int pll_id, unsigned int freq_in, unsigned int freq_out); | |
282 | int (*set_clkdiv)(struct snd_soc_codec_dai *codec_dai, | |
283 | int div_id, int div); | |
284 | ||
1ef6ab75 | 285 | /* DAI format configuration */ |
1c433fbd GG |
286 | int (*set_fmt)(struct snd_soc_codec_dai *codec_dai, |
287 | unsigned int fmt); | |
288 | int (*set_tdm_slot)(struct snd_soc_codec_dai *codec_dai, | |
289 | unsigned int mask, int slots); | |
290 | int (*set_tristate)(struct snd_soc_codec_dai *, int tristate); | |
291 | ||
292 | /* digital mute */ | |
293 | int (*digital_mute)(struct snd_soc_codec_dai *, int mute); | |
808db4a4 RP |
294 | }; |
295 | ||
808db4a4 RP |
296 | /* SoC Codec DAI */ |
297 | struct snd_soc_codec_dai { | |
298 | char *name; | |
299 | int id; | |
a68660e0 | 300 | unsigned char type; |
808db4a4 RP |
301 | |
302 | /* DAI capabilities */ | |
303 | struct snd_soc_pcm_stream playback; | |
304 | struct snd_soc_pcm_stream capture; | |
808db4a4 RP |
305 | |
306 | /* DAI runtime info */ | |
1c433fbd | 307 | struct snd_soc_codec *codec; |
808db4a4 RP |
308 | unsigned int active; |
309 | unsigned char pop_wait:1; | |
310 | ||
1c433fbd GG |
311 | /* ops */ |
312 | struct snd_soc_ops ops; | |
1ef6ab75 | 313 | struct snd_soc_dai_ops dai_ops; |
1c433fbd | 314 | |
808db4a4 RP |
315 | /* DAI private data */ |
316 | void *private_data; | |
317 | }; | |
318 | ||
319 | /* SoC CPU DAI */ | |
320 | struct snd_soc_cpu_dai { | |
321 | ||
322 | /* DAI description */ | |
323 | char *name; | |
324 | unsigned int id; | |
325 | unsigned char type; | |
326 | ||
327 | /* DAI callbacks */ | |
328 | int (*probe)(struct platform_device *pdev); | |
329 | void (*remove)(struct platform_device *pdev); | |
330 | int (*suspend)(struct platform_device *pdev, | |
331 | struct snd_soc_cpu_dai *cpu_dai); | |
332 | int (*resume)(struct platform_device *pdev, | |
333 | struct snd_soc_cpu_dai *cpu_dai); | |
1c433fbd GG |
334 | |
335 | /* ops */ | |
336 | struct snd_soc_ops ops; | |
1ef6ab75 | 337 | struct snd_soc_dai_ops dai_ops; |
808db4a4 RP |
338 | |
339 | /* DAI capabilities */ | |
340 | struct snd_soc_pcm_stream capture; | |
341 | struct snd_soc_pcm_stream playback; | |
808db4a4 RP |
342 | |
343 | /* DAI runtime info */ | |
808db4a4 RP |
344 | struct snd_pcm_runtime *runtime; |
345 | unsigned char active:1; | |
808db4a4 RP |
346 | void *dma_data; |
347 | ||
348 | /* DAI private data */ | |
349 | void *private_data; | |
350 | }; | |
351 | ||
352 | /* SoC Audio Codec */ | |
353 | struct snd_soc_codec { | |
354 | char *name; | |
355 | struct module *owner; | |
356 | struct mutex mutex; | |
357 | ||
358 | /* callbacks */ | |
359 | int (*dapm_event)(struct snd_soc_codec *codec, int event); | |
360 | ||
361 | /* runtime */ | |
362 | struct snd_card *card; | |
363 | struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */ | |
364 | unsigned int active; | |
365 | unsigned int pcm_devs; | |
366 | void *private_data; | |
367 | ||
368 | /* codec IO */ | |
369 | void *control_data; /* codec control (i2c/3wire) data */ | |
370 | unsigned int (*read)(struct snd_soc_codec *, unsigned int); | |
371 | int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); | |
372 | hw_write_t hw_write; | |
373 | hw_read_t hw_read; | |
374 | void *reg_cache; | |
375 | short reg_cache_size; | |
376 | short reg_cache_step; | |
377 | ||
378 | /* dapm */ | |
379 | struct list_head dapm_widgets; | |
380 | struct list_head dapm_paths; | |
381 | unsigned int dapm_state; | |
382 | unsigned int suspend_dapm_state; | |
1321b160 | 383 | struct delayed_work delayed_work; |
808db4a4 RP |
384 | |
385 | /* codec DAI's */ | |
386 | struct snd_soc_codec_dai *dai; | |
387 | unsigned int num_dai; | |
388 | }; | |
389 | ||
390 | /* codec device */ | |
391 | struct snd_soc_codec_device { | |
392 | int (*probe)(struct platform_device *pdev); | |
393 | int (*remove)(struct platform_device *pdev); | |
394 | int (*suspend)(struct platform_device *pdev, pm_message_t state); | |
395 | int (*resume)(struct platform_device *pdev); | |
396 | }; | |
397 | ||
398 | /* SoC platform interface */ | |
399 | struct snd_soc_platform { | |
400 | char *name; | |
401 | ||
402 | int (*probe)(struct platform_device *pdev); | |
403 | int (*remove)(struct platform_device *pdev); | |
404 | int (*suspend)(struct platform_device *pdev, | |
405 | struct snd_soc_cpu_dai *cpu_dai); | |
406 | int (*resume)(struct platform_device *pdev, | |
407 | struct snd_soc_cpu_dai *cpu_dai); | |
408 | ||
409 | /* pcm creation and destruction */ | |
410 | int (*pcm_new)(struct snd_card *, struct snd_soc_codec_dai *, | |
411 | struct snd_pcm *); | |
412 | void (*pcm_free)(struct snd_pcm *); | |
413 | ||
414 | /* platform stream ops */ | |
415 | struct snd_pcm_ops *pcm_ops; | |
416 | }; | |
417 | ||
418 | /* SoC machine DAI configuration, glues a codec and cpu DAI together */ | |
419 | struct snd_soc_dai_link { | |
420 | char *name; /* Codec name */ | |
421 | char *stream_name; /* Stream name */ | |
422 | ||
423 | /* DAI */ | |
424 | struct snd_soc_codec_dai *codec_dai; | |
425 | struct snd_soc_cpu_dai *cpu_dai; | |
1c433fbd GG |
426 | |
427 | /* machine stream operations */ | |
428 | struct snd_soc_ops *ops; | |
808db4a4 RP |
429 | |
430 | /* codec/machine specific init - e.g. add machine controls */ | |
431 | int (*init)(struct snd_soc_codec *codec); | |
4ccab3e7 LG |
432 | |
433 | /* DAI pcm */ | |
434 | struct snd_pcm *pcm; | |
808db4a4 RP |
435 | }; |
436 | ||
437 | /* SoC machine */ | |
438 | struct snd_soc_machine { | |
439 | char *name; | |
440 | ||
441 | int (*probe)(struct platform_device *pdev); | |
442 | int (*remove)(struct platform_device *pdev); | |
443 | ||
444 | /* the pre and post PM functions are used to do any PM work before and | |
445 | * after the codec and DAI's do any PM work. */ | |
446 | int (*suspend_pre)(struct platform_device *pdev, pm_message_t state); | |
447 | int (*suspend_post)(struct platform_device *pdev, pm_message_t state); | |
448 | int (*resume_pre)(struct platform_device *pdev); | |
449 | int (*resume_post)(struct platform_device *pdev); | |
450 | ||
0b4d221b LG |
451 | /* callbacks */ |
452 | int (*dapm_event)(struct snd_soc_machine *, int event); | |
453 | ||
808db4a4 RP |
454 | /* CPU <--> Codec DAI links */ |
455 | struct snd_soc_dai_link *dai_link; | |
456 | int num_links; | |
457 | }; | |
458 | ||
459 | /* SoC Device - the audio subsystem */ | |
460 | struct snd_soc_device { | |
461 | struct device *dev; | |
462 | struct snd_soc_machine *machine; | |
463 | struct snd_soc_platform *platform; | |
464 | struct snd_soc_codec *codec; | |
465 | struct snd_soc_codec_device *codec_dev; | |
4484bb2e | 466 | struct delayed_work delayed_work; |
808db4a4 RP |
467 | void *codec_data; |
468 | }; | |
469 | ||
470 | /* runtime channel data */ | |
471 | struct snd_soc_pcm_runtime { | |
1c433fbd | 472 | struct snd_soc_dai_link *dai; |
808db4a4 RP |
473 | struct snd_soc_device *socdev; |
474 | }; | |
475 | ||
476 | /* enumerated kcontrol */ | |
477 | struct soc_enum { | |
478 | unsigned short reg; | |
479 | unsigned short reg2; | |
480 | unsigned char shift_l; | |
481 | unsigned char shift_r; | |
482 | unsigned int mask; | |
483 | const char **texts; | |
484 | void *dapm; | |
485 | }; | |
486 | ||
808db4a4 | 487 | #endif |