fed up with those stupid warnings
[mmotm.git] / include / sound / soc.h
blob0b1f917a53ba19204fb79a6fd3b8d8e662ddd131
1 /*
2 * linux/sound/soc.h -- ALSA SoC Layer
4 * Author: Liam Girdwood
5 * Created: Aug 11th 2005
6 * Copyright: Wolfson Microelectronics. PLC.
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.
13 #ifndef __LINUX_SND_SOC_H
14 #define __LINUX_SND_SOC_H
16 #include <linux/platform_device.h>
17 #include <linux/types.h>
18 #include <linux/workqueue.h>
19 #include <linux/interrupt.h>
20 #include <linux/kernel.h>
21 #include <sound/core.h>
22 #include <sound/pcm.h>
23 #include <sound/control.h>
24 #include <sound/ac97_codec.h>
27 * Convenience kcontrol builders
29 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) \
30 ((unsigned long)&(struct soc_mixer_control) \
31 {.reg = xreg, .shift = xshift, .rshift = xshift, .max = xmax, \
32 .invert = xinvert})
33 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
34 ((unsigned long)&(struct soc_mixer_control) \
35 {.reg = xreg, .max = xmax, .invert = xinvert})
36 #define SOC_SINGLE(xname, reg, shift, max, invert) \
37 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
38 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
39 .put = snd_soc_put_volsw, \
40 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
41 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
42 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
43 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
44 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
45 .tlv.p = (tlv_array), \
46 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
47 .put = snd_soc_put_volsw, \
48 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
49 #define SOC_DOUBLE(xname, xreg, shift_left, shift_right, xmax, xinvert) \
50 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
51 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
52 .put = snd_soc_put_volsw, \
53 .private_value = (unsigned long)&(struct soc_mixer_control) \
54 {.reg = xreg, .shift = shift_left, .rshift = shift_right, \
55 .max = xmax, .invert = xinvert} }
56 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
57 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
58 .info = snd_soc_info_volsw_2r, \
59 .get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
60 .private_value = (unsigned long)&(struct soc_mixer_control) \
61 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
62 .max = xmax, .invert = xinvert} }
63 #define SOC_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert, tlv_array) \
64 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
65 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
66 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
67 .tlv.p = (tlv_array), \
68 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
69 .put = snd_soc_put_volsw, \
70 .private_value = (unsigned long)&(struct soc_mixer_control) \
71 {.reg = xreg, .shift = shift_left, .rshift = shift_right,\
72 .max = xmax, .invert = xinvert} }
73 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
74 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
75 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
76 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
77 .tlv.p = (tlv_array), \
78 .info = snd_soc_info_volsw_2r, \
79 .get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
80 .private_value = (unsigned long)&(struct soc_mixer_control) \
81 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
82 .max = xmax, .invert = xinvert} }
83 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
84 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
85 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
86 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
87 .tlv.p = (tlv_array), \
88 .info = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \
89 .put = snd_soc_put_volsw_s8, \
90 .private_value = (unsigned long)&(struct soc_mixer_control) \
91 {.reg = xreg, .min = xmin, .max = xmax} }
92 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmax, xtexts) \
93 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
94 .max = xmax, .texts = xtexts }
95 #define SOC_ENUM_SINGLE(xreg, xshift, xmax, xtexts) \
96 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmax, xtexts)
97 #define SOC_ENUM_SINGLE_EXT(xmax, xtexts) \
98 { .max = xmax, .texts = xtexts }
99 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xmax, xtexts, xvalues) \
100 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
101 .mask = xmask, .max = xmax, .texts = xtexts, .values = xvalues}
102 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xmax, xtexts, xvalues) \
103 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xmax, xtexts, xvalues)
104 #define SOC_ENUM(xname, xenum) \
105 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
106 .info = snd_soc_info_enum_double, \
107 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
108 .private_value = (unsigned long)&xenum }
109 #define SOC_VALUE_ENUM(xname, xenum) \
110 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
111 .info = snd_soc_info_enum_double, \
112 .get = snd_soc_get_value_enum_double, \
113 .put = snd_soc_put_value_enum_double, \
114 .private_value = (unsigned long)&xenum }
115 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
116 xhandler_get, xhandler_put) \
117 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
118 .info = snd_soc_info_volsw, \
119 .get = xhandler_get, .put = xhandler_put, \
120 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
121 #define SOC_DOUBLE_EXT(xname, xreg, shift_left, shift_right, xmax, xinvert,\
122 xhandler_get, xhandler_put) \
123 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
124 .info = snd_soc_info_volsw, \
125 .get = xhandler_get, .put = xhandler_put, \
126 .private_value = (unsigned long)&(struct soc_mixer_control) \
127 {.reg = xreg, .shift = shift_left, .rshift = shift_right, \
128 .max = xmax, .invert = xinvert} }
129 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
130 xhandler_get, xhandler_put, tlv_array) \
131 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
132 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
133 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
134 .tlv.p = (tlv_array), \
135 .info = snd_soc_info_volsw, \
136 .get = xhandler_get, .put = xhandler_put, \
137 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
138 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
139 xhandler_get, xhandler_put, tlv_array) \
140 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
141 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
142 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
143 .tlv.p = (tlv_array), \
144 .info = snd_soc_info_volsw, \
145 .get = xhandler_get, .put = xhandler_put, \
146 .private_value = (unsigned long)&(struct soc_mixer_control) \
147 {.reg = xreg, .shift = shift_left, .rshift = shift_right, \
148 .max = xmax, .invert = xinvert} }
149 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
150 xhandler_get, xhandler_put, tlv_array) \
151 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
152 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
153 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
154 .tlv.p = (tlv_array), \
155 .info = snd_soc_info_volsw_2r, \
156 .get = xhandler_get, .put = xhandler_put, \
157 .private_value = (unsigned long)&(struct soc_mixer_control) \
158 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
159 .max = xmax, .invert = xinvert} }
160 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
161 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
162 .info = snd_soc_info_bool_ext, \
163 .get = xhandler_get, .put = xhandler_put, \
164 .private_value = xdata }
165 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
166 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
167 .info = snd_soc_info_enum_ext, \
168 .get = xhandler_get, .put = xhandler_put, \
169 .private_value = (unsigned long)&xenum }
172 * Bias levels
174 * @ON: Bias is fully on for audio playback and capture operations.
175 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
176 * stream start and stop operations.
177 * @STANDBY: Low power standby state when no playback/capture operations are
178 * in progress. NOTE: The transition time between STANDBY and ON
179 * should be as fast as possible and no longer than 10ms.
180 * @OFF: Power Off. No restrictions on transition times.
182 enum snd_soc_bias_level {
183 SND_SOC_BIAS_ON,
184 SND_SOC_BIAS_PREPARE,
185 SND_SOC_BIAS_STANDBY,
186 SND_SOC_BIAS_OFF,
189 struct snd_jack;
190 struct snd_soc_card;
191 struct snd_soc_device;
192 struct snd_soc_pcm_stream;
193 struct snd_soc_ops;
194 struct snd_soc_dai_mode;
195 struct snd_soc_pcm_runtime;
196 struct snd_soc_dai;
197 struct snd_soc_platform;
198 struct snd_soc_codec;
199 struct soc_enum;
200 struct snd_soc_ac97_ops;
201 struct snd_soc_jack;
202 struct snd_soc_jack_pin;
203 #ifdef CONFIG_GPIOLIB
204 struct snd_soc_jack_gpio;
205 #endif
207 typedef int (*hw_write_t)(void *,const char* ,int);
209 extern struct snd_ac97_bus_ops soc_ac97_ops;
211 enum snd_soc_control_type {
212 SND_SOC_CUSTOM,
213 SND_SOC_I2C,
214 SND_SOC_SPI,
217 int snd_soc_register_platform(struct snd_soc_platform *platform);
218 void snd_soc_unregister_platform(struct snd_soc_platform *platform);
219 int snd_soc_register_codec(struct snd_soc_codec *codec);
220 void snd_soc_unregister_codec(struct snd_soc_codec *codec);
221 int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg);
222 int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
223 int addr_bits, int data_bits,
224 enum snd_soc_control_type control);
226 #ifdef CONFIG_PM
227 int snd_soc_suspend_device(struct device *dev);
228 int snd_soc_resume_device(struct device *dev);
229 #endif
231 /* pcm <-> DAI connect */
232 void snd_soc_free_pcms(struct snd_soc_device *socdev);
233 int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid);
234 int snd_soc_init_card(struct snd_soc_device *socdev);
236 /* set runtime hw params */
237 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
238 const struct snd_pcm_hardware *hw);
240 /* Jack reporting */
241 int snd_soc_jack_new(struct snd_soc_card *card, const char *id, int type,
242 struct snd_soc_jack *jack);
243 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
244 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
245 struct snd_soc_jack_pin *pins);
246 #ifdef CONFIG_GPIOLIB
247 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
248 struct snd_soc_jack_gpio *gpios);
249 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
250 struct snd_soc_jack_gpio *gpios);
251 #endif
253 /* codec register bit access */
254 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
255 unsigned int mask, unsigned int value);
256 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
257 unsigned int mask, unsigned int value);
259 int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
260 struct snd_ac97_bus_ops *ops, int num);
261 void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);
264 *Controls
266 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
267 void *data, char *long_name);
268 int snd_soc_add_controls(struct snd_soc_codec *codec,
269 const struct snd_kcontrol_new *controls, int num_controls);
270 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
271 struct snd_ctl_elem_info *uinfo);
272 int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,
273 struct snd_ctl_elem_info *uinfo);
274 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
275 struct snd_ctl_elem_value *ucontrol);
276 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
277 struct snd_ctl_elem_value *ucontrol);
278 int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol,
279 struct snd_ctl_elem_value *ucontrol);
280 int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol,
281 struct snd_ctl_elem_value *ucontrol);
282 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
283 struct snd_ctl_elem_info *uinfo);
284 int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
285 struct snd_ctl_elem_info *uinfo);
286 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
287 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
288 struct snd_ctl_elem_value *ucontrol);
289 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
290 struct snd_ctl_elem_value *ucontrol);
291 int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol,
292 struct snd_ctl_elem_info *uinfo);
293 int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol,
294 struct snd_ctl_elem_value *ucontrol);
295 int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol,
296 struct snd_ctl_elem_value *ucontrol);
297 int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
298 struct snd_ctl_elem_info *uinfo);
299 int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
300 struct snd_ctl_elem_value *ucontrol);
301 int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
302 struct snd_ctl_elem_value *ucontrol);
305 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
307 * @pin: name of the pin to update
308 * @mask: bits to check for in reported jack status
309 * @invert: if non-zero then pin is enabled when status is not reported
311 struct snd_soc_jack_pin {
312 struct list_head list;
313 const char *pin;
314 int mask;
315 bool invert;
319 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
321 * @gpio: gpio number
322 * @name: gpio name
323 * @report: value to report when jack detected
324 * @invert: report presence in low state
325 * @debouce_time: debouce time in ms
327 #ifdef CONFIG_GPIOLIB
328 struct snd_soc_jack_gpio {
329 unsigned int gpio;
330 const char *name;
331 int report;
332 int invert;
333 int debounce_time;
334 struct snd_soc_jack *jack;
335 struct work_struct work;
337 #endif
339 struct snd_soc_jack {
340 struct snd_jack *jack;
341 struct snd_soc_card *card;
342 struct list_head pins;
343 int status;
346 /* SoC PCM stream information */
347 struct snd_soc_pcm_stream {
348 char *stream_name;
349 u64 formats; /* SNDRV_PCM_FMTBIT_* */
350 unsigned int rates; /* SNDRV_PCM_RATE_* */
351 unsigned int rate_min; /* min rate */
352 unsigned int rate_max; /* max rate */
353 unsigned int channels_min; /* min channels */
354 unsigned int channels_max; /* max channels */
355 unsigned int active:1; /* stream is in use */
358 /* SoC audio ops */
359 struct snd_soc_ops {
360 int (*startup)(struct snd_pcm_substream *);
361 void (*shutdown)(struct snd_pcm_substream *);
362 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
363 int (*hw_free)(struct snd_pcm_substream *);
364 int (*prepare)(struct snd_pcm_substream *);
365 int (*trigger)(struct snd_pcm_substream *, int);
368 /* SoC Audio Codec */
369 struct snd_soc_codec {
370 char *name;
371 struct module *owner;
372 struct mutex mutex;
373 struct device *dev;
374 struct snd_soc_device *socdev;
376 struct list_head list;
378 /* callbacks */
379 int (*set_bias_level)(struct snd_soc_codec *,
380 enum snd_soc_bias_level level);
382 /* runtime */
383 struct snd_card *card;
384 struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
385 unsigned int active;
386 unsigned int pcm_devs;
387 void *private_data;
389 /* codec IO */
390 void *control_data; /* codec control (i2c/3wire) data */
391 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
392 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
393 int (*display_register)(struct snd_soc_codec *, char *,
394 size_t, unsigned int);
395 int (*volatile_register)(unsigned int);
396 int (*readable_register)(unsigned int);
397 hw_write_t hw_write;
398 unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int);
399 void *reg_cache;
400 short reg_cache_size;
401 short reg_cache_step;
403 /* dapm */
404 u32 pop_time;
405 struct list_head dapm_widgets;
406 struct list_head dapm_paths;
407 enum snd_soc_bias_level bias_level;
408 enum snd_soc_bias_level suspend_bias_level;
409 struct delayed_work delayed_work;
411 /* codec DAI's */
412 struct snd_soc_dai *dai;
413 unsigned int num_dai;
415 #ifdef CONFIG_DEBUG_FS
416 struct dentry *debugfs_codec_root;
417 struct dentry *debugfs_reg;
418 struct dentry *debugfs_pop_time;
419 struct dentry *debugfs_dapm;
420 #endif
423 /* codec device */
424 struct snd_soc_codec_device {
425 int (*probe)(struct platform_device *pdev);
426 int (*remove)(struct platform_device *pdev);
427 int (*suspend)(struct platform_device *pdev, pm_message_t state);
428 int (*resume)(struct platform_device *pdev);
431 /* SoC platform interface */
432 struct snd_soc_platform {
433 char *name;
434 struct list_head list;
436 int (*probe)(struct platform_device *pdev);
437 int (*remove)(struct platform_device *pdev);
438 int (*suspend)(struct snd_soc_dai *dai);
439 int (*resume)(struct snd_soc_dai *dai);
441 /* pcm creation and destruction */
442 int (*pcm_new)(struct snd_card *, struct snd_soc_dai *,
443 struct snd_pcm *);
444 void (*pcm_free)(struct snd_pcm *);
446 /* platform stream ops */
447 struct snd_pcm_ops *pcm_ops;
450 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
451 struct snd_soc_dai_link {
452 char *name; /* Codec name */
453 char *stream_name; /* Stream name */
455 /* DAI */
456 struct snd_soc_dai *codec_dai;
457 struct snd_soc_dai *cpu_dai;
459 /* machine stream operations */
460 struct snd_soc_ops *ops;
462 /* codec/machine specific init - e.g. add machine controls */
463 int (*init)(struct snd_soc_codec *codec);
465 /* Symmetry requirements */
466 unsigned int symmetric_rates:1;
468 /* Symmetry data - only valid if symmetry is being enforced */
469 unsigned int rate;
471 /* DAI pcm */
472 struct snd_pcm *pcm;
475 /* SoC card */
476 struct snd_soc_card {
477 char *name;
478 struct device *dev;
480 struct list_head list;
482 int instantiated;
484 int (*probe)(struct platform_device *pdev);
485 int (*remove)(struct platform_device *pdev);
487 /* the pre and post PM functions are used to do any PM work before and
488 * after the codec and DAI's do any PM work. */
489 int (*suspend_pre)(struct platform_device *pdev, pm_message_t state);
490 int (*suspend_post)(struct platform_device *pdev, pm_message_t state);
491 int (*resume_pre)(struct platform_device *pdev);
492 int (*resume_post)(struct platform_device *pdev);
494 /* callbacks */
495 int (*set_bias_level)(struct snd_soc_card *,
496 enum snd_soc_bias_level level);
498 /* CPU <--> Codec DAI links */
499 struct snd_soc_dai_link *dai_link;
500 int num_links;
502 struct snd_soc_device *socdev;
504 struct snd_soc_codec *codec;
506 struct snd_soc_platform *platform;
507 struct delayed_work delayed_work;
508 struct work_struct deferred_resume_work;
511 /* SoC Device - the audio subsystem */
512 struct snd_soc_device {
513 struct device *dev;
514 struct snd_soc_card *card;
515 struct snd_soc_codec_device *codec_dev;
516 void *codec_data;
519 /* runtime channel data */
520 struct snd_soc_pcm_runtime {
521 struct snd_soc_dai_link *dai;
522 struct snd_soc_device *socdev;
525 /* mixer control */
526 struct soc_mixer_control {
527 int min, max;
528 unsigned int reg, rreg, shift, rshift, invert;
531 /* enumerated kcontrol */
532 struct soc_enum {
533 unsigned short reg;
534 unsigned short reg2;
535 unsigned char shift_l;
536 unsigned char shift_r;
537 unsigned int max;
538 unsigned int mask;
539 const char **texts;
540 const unsigned int *values;
541 void *dapm;
544 /* codec IO */
545 static inline unsigned int snd_soc_read(struct snd_soc_codec *codec,
546 unsigned int reg)
548 return codec->read(codec, reg);
551 static inline unsigned int snd_soc_write(struct snd_soc_codec *codec,
552 unsigned int reg, unsigned int val)
554 return codec->write(codec, reg, val);
557 #include <sound/soc-dai.h>
559 #endif