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/notifier.h>
19 #include <linux/workqueue.h>
20 #include <linux/interrupt.h>
21 #include <linux/kernel.h>
22 #include <sound/core.h>
23 #include <sound/pcm.h>
24 #include <sound/control.h>
25 #include <sound/ac97_codec.h>
28 * Convenience kcontrol builders
30 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) \
31 ((unsigned long)&(struct soc_mixer_control) \
32 {.reg = xreg, .shift = xshift, .rshift = xshift, .max = xmax, \
33 .platform_max = xmax, .invert = xinvert})
34 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
35 ((unsigned long)&(struct soc_mixer_control) \
36 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
37 #define SOC_SINGLE(xname, reg, shift, max, invert) \
38 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
39 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
40 .put = snd_soc_put_volsw, \
41 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
42 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
43 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
44 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
45 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
46 .tlv.p = (tlv_array), \
47 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
48 .put = snd_soc_put_volsw, \
49 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
50 #define SOC_DOUBLE(xname, xreg, shift_left, shift_right, xmax, xinvert) \
51 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
52 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
53 .put = snd_soc_put_volsw, \
54 .private_value = (unsigned long)&(struct soc_mixer_control) \
55 {.reg = xreg, .shift = shift_left, .rshift = shift_right, \
56 .max = xmax, .platform_max = xmax, .invert = xinvert} }
57 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
58 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
59 .info = snd_soc_info_volsw_2r, \
60 .get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
61 .private_value = (unsigned long)&(struct soc_mixer_control) \
62 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
63 .max = xmax, .platform_max = xmax, .invert = xinvert} }
64 #define SOC_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert, tlv_array) \
65 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
66 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
67 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
68 .tlv.p = (tlv_array), \
69 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
70 .put = snd_soc_put_volsw, \
71 .private_value = (unsigned long)&(struct soc_mixer_control) \
72 {.reg = xreg, .shift = shift_left, .rshift = shift_right,\
73 .max = xmax, .platform_max = xmax, .invert = xinvert} }
74 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
75 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
76 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
77 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
78 .tlv.p = (tlv_array), \
79 .info = snd_soc_info_volsw_2r, \
80 .get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
81 .private_value = (unsigned long)&(struct soc_mixer_control) \
82 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
83 .max = xmax, .platform_max = xmax, .invert = xinvert} }
84 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
85 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
86 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
87 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
88 .tlv.p = (tlv_array), \
89 .info = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \
90 .put = snd_soc_put_volsw_s8, \
91 .private_value = (unsigned long)&(struct soc_mixer_control) \
92 {.reg = xreg, .min = xmin, .max = xmax, \
93 .platform_max = xmax} }
94 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmax, xtexts) \
95 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
96 .max = xmax, .texts = xtexts }
97 #define SOC_ENUM_SINGLE(xreg, xshift, xmax, xtexts) \
98 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmax, xtexts)
99 #define SOC_ENUM_SINGLE_EXT(xmax, xtexts) \
100 { .max = xmax, .texts = xtexts }
101 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xmax, xtexts, xvalues) \
102 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
103 .mask = xmask, .max = xmax, .texts = xtexts, .values = xvalues}
104 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xmax, xtexts, xvalues) \
105 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xmax, xtexts, xvalues)
106 #define SOC_ENUM(xname, xenum) \
107 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
108 .info = snd_soc_info_enum_double, \
109 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
110 .private_value = (unsigned long)&xenum }
111 #define SOC_VALUE_ENUM(xname, xenum) \
112 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
113 .info = snd_soc_info_enum_double, \
114 .get = snd_soc_get_value_enum_double, \
115 .put = snd_soc_put_value_enum_double, \
116 .private_value = (unsigned long)&xenum }
117 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
118 xhandler_get, xhandler_put) \
119 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
120 .info = snd_soc_info_volsw, \
121 .get = xhandler_get, .put = xhandler_put, \
122 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
123 #define SOC_DOUBLE_EXT(xname, xreg, shift_left, shift_right, xmax, xinvert,\
124 xhandler_get, xhandler_put) \
125 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
126 .info = snd_soc_info_volsw, \
127 .get = xhandler_get, .put = xhandler_put, \
128 .private_value = (unsigned long)&(struct soc_mixer_control) \
129 {.reg = xreg, .shift = shift_left, .rshift = shift_right, \
130 .max = xmax, .platform_max = xmax, .invert = xinvert} }
131 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
132 xhandler_get, xhandler_put, tlv_array) \
133 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
134 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
135 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
136 .tlv.p = (tlv_array), \
137 .info = snd_soc_info_volsw, \
138 .get = xhandler_get, .put = xhandler_put, \
139 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
140 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
141 xhandler_get, xhandler_put, tlv_array) \
142 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
143 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
144 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
145 .tlv.p = (tlv_array), \
146 .info = snd_soc_info_volsw, \
147 .get = xhandler_get, .put = xhandler_put, \
148 .private_value = (unsigned long)&(struct soc_mixer_control) \
149 {.reg = xreg, .shift = shift_left, .rshift = shift_right, \
150 .max = xmax, .platform_max = xmax, .invert = xinvert} }
151 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
152 xhandler_get, xhandler_put, tlv_array) \
153 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
154 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
155 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
156 .tlv.p = (tlv_array), \
157 .info = snd_soc_info_volsw_2r, \
158 .get = xhandler_get, .put = xhandler_put, \
159 .private_value = (unsigned long)&(struct soc_mixer_control) \
160 {.reg = reg_left, .rreg = reg_right, .shift = xshift, \
161 .max = xmax, .platform_max = xmax, .invert = xinvert} }
162 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
163 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
164 .info = snd_soc_info_bool_ext, \
165 .get = xhandler_get, .put = xhandler_put, \
166 .private_value = xdata }
167 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
168 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
169 .info = snd_soc_info_enum_ext, \
170 .get = xhandler_get, .put = xhandler_put, \
171 .private_value = (unsigned long)&xenum }
173 #define SOC_DOUBLE_R_SX_TLV(xname, xreg_left, xreg_right, xshift,\
174 xmin, xmax, tlv_array) \
175 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
176 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
177 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
178 .tlv.p = (tlv_array), \
179 .info = snd_soc_info_volsw_2r_sx, \
180 .get = snd_soc_get_volsw_2r_sx, \
181 .put = snd_soc_put_volsw_2r_sx, \
182 .private_value = (unsigned long)&(struct soc_mixer_control) \
184 .rreg = xreg_right, .shift = xshift, \
185 .min = xmin, .max = xmax} }
189 * Simplified versions of above macros, declaring a struct and calculating
190 * ARRAY_SIZE internally
192 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
193 struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
194 ARRAY_SIZE(xtexts), xtexts)
195 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
196 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
197 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
198 struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
199 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
200 struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
201 ARRAY_SIZE(xtexts), xtexts, xvalues)
202 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
203 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
208 * @ON: Bias is fully on for audio playback and capture operations.
209 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
210 * stream start and stop operations.
211 * @STANDBY: Low power standby state when no playback/capture operations are
212 * in progress. NOTE: The transition time between STANDBY and ON
213 * should be as fast as possible and no longer than 10ms.
214 * @OFF: Power Off. No restrictions on transition times.
216 enum snd_soc_bias_level {
218 SND_SOC_BIAS_STANDBY,
219 SND_SOC_BIAS_PREPARE,
225 struct snd_soc_pcm_stream;
227 struct snd_soc_pcm_runtime;
229 struct snd_soc_dai_driver;
230 struct snd_soc_platform;
231 struct snd_soc_dai_link;
232 struct snd_soc_platform_driver;
233 struct snd_soc_codec;
234 struct snd_soc_codec_driver;
237 struct snd_soc_jack_zone;
238 struct snd_soc_jack_pin;
239 struct snd_soc_cache_ops;
240 #include <sound/soc-dapm.h>
242 #ifdef CONFIG_GPIOLIB
243 struct snd_soc_jack_gpio;
246 typedef int (*hw_write_t)(void *,const char* ,int);
248 extern struct snd_ac97_bus_ops soc_ac97_ops;
250 enum snd_soc_control_type {
255 enum snd_soc_compress_type {
256 SND_SOC_FLAT_COMPRESSION = 1,
257 SND_SOC_LZO_COMPRESSION,
258 SND_SOC_RBTREE_COMPRESSION
261 #ifdef CONFIG_PHONE_INCALL_IS_SUSPEND
262 int snd_soc_incall_status(int read_or_write, int status);
266 int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
267 unsigned int freq, int dir);
268 int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
269 unsigned int freq_in, unsigned int freq_out);
271 int snd_soc_register_card(struct snd_soc_card *card);
272 int snd_soc_unregister_card(struct snd_soc_card *card);
273 int snd_soc_suspend(struct device *dev);
274 int snd_soc_resume(struct device *dev);
275 int snd_soc_poweroff(struct device *dev);
276 int snd_soc_register_platform(struct device *dev,
277 struct snd_soc_platform_driver *platform_drv);
278 void snd_soc_unregister_platform(struct device *dev);
279 int snd_soc_register_codec(struct device *dev,
280 const struct snd_soc_codec_driver *codec_drv,
281 struct snd_soc_dai_driver *dai_drv, int num_dai);
282 void snd_soc_unregister_codec(struct device *dev);
283 int snd_soc_codec_volatile_register(struct snd_soc_codec *codec,
285 int snd_soc_codec_readable_register(struct snd_soc_codec *codec,
287 int snd_soc_codec_writable_register(struct snd_soc_codec *codec,
289 int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
290 int addr_bits, int data_bits,
291 enum snd_soc_control_type control);
292 int snd_soc_cache_sync(struct snd_soc_codec *codec);
293 int snd_soc_cache_init(struct snd_soc_codec *codec);
294 int snd_soc_cache_exit(struct snd_soc_codec *codec);
295 int snd_soc_cache_write(struct snd_soc_codec *codec,
296 unsigned int reg, unsigned int value);
297 int snd_soc_cache_read(struct snd_soc_codec *codec,
298 unsigned int reg, unsigned int *value);
299 int snd_soc_default_volatile_register(struct snd_soc_codec *codec,
301 int snd_soc_default_readable_register(struct snd_soc_codec *codec,
303 int snd_soc_default_writable_register(struct snd_soc_codec *codec,
306 /* Utility functions to get clock rates from various things */
307 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
308 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
309 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
310 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
312 /* set runtime hw params */
313 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
314 const struct snd_pcm_hardware *hw);
317 int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type,
318 struct snd_soc_jack *jack);
319 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
320 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
321 struct snd_soc_jack_pin *pins);
322 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
323 struct notifier_block *nb);
324 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
325 struct notifier_block *nb);
326 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
327 struct snd_soc_jack_zone *zones);
328 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
329 #ifdef CONFIG_GPIOLIB
330 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
331 struct snd_soc_jack_gpio *gpios);
332 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
333 struct snd_soc_jack_gpio *gpios);
336 /* codec register bit access */
337 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
338 unsigned int mask, unsigned int value);
339 int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
340 unsigned short reg, unsigned int mask,
342 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
343 unsigned int mask, unsigned int value);
345 int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
346 struct snd_ac97_bus_ops *ops, int num);
347 void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);
352 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
353 void *data, char *long_name,
355 int snd_soc_add_controls(struct snd_soc_codec *codec,
356 const struct snd_kcontrol_new *controls, int num_controls);
357 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
358 struct snd_ctl_elem_info *uinfo);
359 int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,
360 struct snd_ctl_elem_info *uinfo);
361 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
362 struct snd_ctl_elem_value *ucontrol);
363 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
364 struct snd_ctl_elem_value *ucontrol);
365 int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol,
366 struct snd_ctl_elem_value *ucontrol);
367 int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol,
368 struct snd_ctl_elem_value *ucontrol);
369 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
370 struct snd_ctl_elem_info *uinfo);
371 int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
372 struct snd_ctl_elem_info *uinfo);
373 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
374 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
375 struct snd_ctl_elem_value *ucontrol);
376 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
377 struct snd_ctl_elem_value *ucontrol);
378 int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol,
379 struct snd_ctl_elem_info *uinfo);
380 int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol,
381 struct snd_ctl_elem_value *ucontrol);
382 int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol,
383 struct snd_ctl_elem_value *ucontrol);
384 int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
385 struct snd_ctl_elem_info *uinfo);
386 int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
387 struct snd_ctl_elem_value *ucontrol);
388 int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
389 struct snd_ctl_elem_value *ucontrol);
390 int snd_soc_limit_volume(struct snd_soc_codec *codec,
391 const char *name, int max);
392 int snd_soc_info_volsw_2r_sx(struct snd_kcontrol *kcontrol,
393 struct snd_ctl_elem_info *uinfo);
394 int snd_soc_get_volsw_2r_sx(struct snd_kcontrol *kcontrol,
395 struct snd_ctl_elem_value *ucontrol);
396 int snd_soc_put_volsw_2r_sx(struct snd_kcontrol *kcontrol,
397 struct snd_ctl_elem_value *ucontrol);
400 * struct snd_soc_reg_access - Describes whether a given register is
401 * readable, writable or volatile.
403 * @reg: the register number
404 * @read: whether this register is readable
405 * @write: whether this register is writable
406 * @vol: whether this register is volatile
408 struct snd_soc_reg_access {
416 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
418 * @pin: name of the pin to update
419 * @mask: bits to check for in reported jack status
420 * @invert: if non-zero then pin is enabled when status is not reported
422 struct snd_soc_jack_pin {
423 struct list_head list;
430 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
432 * @min_mv: start voltage in mv
433 * @max_mv: end voltage in mv
434 * @jack_type: type of jack that is expected for this voltage
435 * @debounce_time: debounce_time for jack, codec driver should wait for this
436 * duration before reading the adc for voltages
437 * @:list: list container
439 struct snd_soc_jack_zone {
442 unsigned int jack_type;
443 unsigned int debounce_time;
444 struct list_head list;
448 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
452 * @report: value to report when jack detected
453 * @invert: report presence in low state
454 * @debouce_time: debouce time in ms
455 * @wake: enable as wake source
456 * @jack_status_check: callback function which overrides the detection
457 * to provide more complex checks (eg, reading an
460 #ifdef CONFIG_GPIOLIB
461 struct snd_soc_jack_gpio {
469 struct snd_soc_jack *jack;
470 struct delayed_work work;
472 int (*jack_status_check)(void);
476 struct snd_soc_jack {
477 struct snd_jack *jack;
478 struct snd_soc_codec *codec;
479 struct list_head pins;
481 struct blocking_notifier_head notifier;
482 struct list_head jack_zones;
485 /* SoC PCM stream information */
486 struct snd_soc_pcm_stream {
487 const char *stream_name;
488 u64 formats; /* SNDRV_PCM_FMTBIT_* */
489 unsigned int rates; /* SNDRV_PCM_RATE_* */
490 unsigned int rate_min; /* min rate */
491 unsigned int rate_max; /* max rate */
492 unsigned int channels_min; /* min channels */
493 unsigned int channels_max; /* max channels */
498 int (*startup)(struct snd_pcm_substream *);
499 void (*shutdown)(struct snd_pcm_substream *);
500 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
501 int (*hw_free)(struct snd_pcm_substream *);
502 int (*prepare)(struct snd_pcm_substream *);
503 int (*trigger)(struct snd_pcm_substream *, int);
504 /* set volume,add by qiuen*/
505 void (*set_volume)(unsigned char mode,unsigned char volume);
509 struct snd_soc_cache_ops {
511 enum snd_soc_compress_type id;
512 int (*init)(struct snd_soc_codec *codec);
513 int (*exit)(struct snd_soc_codec *codec);
514 int (*read)(struct snd_soc_codec *codec, unsigned int reg,
515 unsigned int *value);
516 int (*write)(struct snd_soc_codec *codec, unsigned int reg,
518 int (*sync)(struct snd_soc_codec *codec);
521 /* SoC Audio Codec device */
522 struct snd_soc_codec {
524 const char *name_prefix;
527 const struct snd_soc_codec_driver *driver;
530 struct snd_soc_card *card;
531 struct list_head list;
532 struct list_head card_list;
534 enum snd_soc_compress_type compress_type;
535 size_t reg_size; /* reg_cache_size * reg_word_size */
536 int (*volatile_register)(struct snd_soc_codec *, unsigned int);
537 int (*readable_register)(struct snd_soc_codec *, unsigned int);
538 int (*writable_register)(struct snd_soc_codec *, unsigned int);
541 struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
543 unsigned int cache_bypass:1; /* Suppress access to the cache */
544 unsigned int suspended:1; /* Codec is in suspend PM state */
545 unsigned int probed:1; /* Codec has been probed */
546 unsigned int ac97_registered:1; /* Codec has been AC97 registered */
547 unsigned int ac97_created:1; /* Codec has been created by SoC */
548 unsigned int sysfs_registered:1; /* codec has been sysfs registered */
549 unsigned int cache_init:1; /* codec cache has been initialized */
550 u32 cache_only; /* Suppress writes to hardware */
551 u32 cache_sync; /* Cache needs to be synced to hardware */
554 void *control_data; /* codec control (i2c/3wire) data */
555 enum snd_soc_control_type control_type;
557 unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int);
558 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
559 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
560 int (*bulk_write_raw)(struct snd_soc_codec *, unsigned int, const void *, size_t);
562 const void *reg_def_copy;
563 const struct snd_soc_cache_ops *cache_ops;
564 struct mutex cache_rw_mutex;
567 struct snd_soc_dapm_context dapm;
569 #ifdef CONFIG_DEBUG_FS
570 struct dentry *debugfs_codec_root;
571 struct dentry *debugfs_reg;
572 struct dentry *debugfs_dapm;
577 struct snd_soc_codec_driver {
580 int (*probe)(struct snd_soc_codec *);
581 int (*remove)(struct snd_soc_codec *);
582 int (*suspend)(struct snd_soc_codec *,
584 int (*resume)(struct snd_soc_codec *);
586 /* Default control and setup, added after probe() is run */
587 const struct snd_kcontrol_new *controls;
589 const struct snd_soc_dapm_widget *dapm_widgets;
590 int num_dapm_widgets;
591 const struct snd_soc_dapm_route *dapm_routes;
594 /* codec wide operations */
595 int (*set_sysclk)(struct snd_soc_codec *codec,
596 int clk_id, unsigned int freq, int dir);
597 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
598 unsigned int freq_in, unsigned int freq_out);
601 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
602 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
603 int (*display_register)(struct snd_soc_codec *, char *,
604 size_t, unsigned int);
605 int (*volatile_register)(struct snd_soc_codec *, unsigned int);
606 int (*readable_register)(struct snd_soc_codec *, unsigned int);
607 int (*writable_register)(struct snd_soc_codec *, unsigned int);
608 short reg_cache_size;
609 short reg_cache_step;
611 const void *reg_cache_default;
612 short reg_access_size;
613 const struct snd_soc_reg_access *reg_access_default;
614 enum snd_soc_compress_type compress_type;
616 /* codec bias level */
617 int (*set_bias_level)(struct snd_soc_codec *,
618 enum snd_soc_bias_level level);
620 void (*seq_notifier)(struct snd_soc_dapm_context *,
621 enum snd_soc_dapm_type, int);
624 /* SoC platform interface */
625 struct snd_soc_platform_driver {
627 int (*probe)(struct snd_soc_platform *);
628 int (*remove)(struct snd_soc_platform *);
629 int (*suspend)(struct snd_soc_dai *dai);
630 int (*resume)(struct snd_soc_dai *dai);
632 /* pcm creation and destruction */
633 int (*pcm_new)(struct snd_card *, struct snd_soc_dai *,
635 void (*pcm_free)(struct snd_pcm *);
638 * For platform caused delay reporting.
641 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
642 struct snd_soc_dai *);
644 /* platform stream ops */
645 struct snd_pcm_ops *ops;
648 struct snd_soc_platform {
652 struct snd_soc_platform_driver *driver;
654 unsigned int suspended:1; /* platform is suspended */
655 unsigned int probed:1;
657 struct snd_soc_card *card;
658 struct list_head list;
659 struct list_head card_list;
662 struct snd_soc_dai_link {
663 /* config - must be set by machine driver */
664 const char *name; /* Codec name */
665 const char *stream_name; /* Stream name */
666 const char *codec_name; /* for multi-codec */
667 const char *platform_name; /* for multi-platform */
668 const char *cpu_dai_name;
669 const char *codec_dai_name;
671 /* Keep DAI active over suspend */
672 unsigned int ignore_suspend:1;
674 /* Symmetry requirements */
675 unsigned int symmetric_rates:1;
677 /* codec/machine specific init - e.g. add machine controls */
678 int (*init)(struct snd_soc_pcm_runtime *rtd);
680 /* machine stream operations */
681 struct snd_soc_ops *ops;
684 struct snd_soc_codec_conf {
685 const char *dev_name;
688 * optional map of kcontrol, widget and path name prefixes that are
689 * associated per device
691 const char *name_prefix;
694 * set this to the desired compression type if you want to
695 * override the one supplied in codec->driver->compress_type
697 enum snd_soc_compress_type compress_type;
700 struct snd_soc_aux_dev {
701 const char *name; /* Codec name */
702 const char *codec_name; /* for multi-codec */
704 /* codec/machine specific init - e.g. add machine controls */
705 int (*init)(struct snd_soc_dapm_context *dapm);
709 struct snd_soc_card {
711 const char *long_name;
712 const char *driver_name;
714 struct snd_card *snd_card;
715 struct module *owner;
717 struct list_head list;
722 int (*probe)(struct snd_soc_card *card);
723 int (*late_probe)(struct snd_soc_card *card);
724 int (*remove)(struct snd_soc_card *card);
726 /* the pre and post PM functions are used to do any PM work before and
727 * after the codec and DAI's do any PM work. */
728 int (*suspend_pre)(struct snd_soc_card *card);
729 int (*suspend_post)(struct snd_soc_card *card);
730 int (*resume_pre)(struct snd_soc_card *card);
731 int (*resume_post)(struct snd_soc_card *card);
734 int (*set_bias_level)(struct snd_soc_card *,
735 enum snd_soc_bias_level level);
736 int (*set_bias_level_post)(struct snd_soc_card *,
737 enum snd_soc_bias_level level);
741 /* CPU <--> Codec DAI links */
742 struct snd_soc_dai_link *dai_link;
744 struct snd_soc_pcm_runtime *rtd;
747 /* optional codec specific configuration */
748 struct snd_soc_codec_conf *codec_conf;
752 * optional auxiliary devices such as amplifiers or codecs with DAI
755 struct snd_soc_aux_dev *aux_dev;
757 struct snd_soc_pcm_runtime *rtd_aux;
760 const struct snd_kcontrol_new *controls;
764 * Card-specific routes and widgets.
766 const struct snd_soc_dapm_widget *dapm_widgets;
767 int num_dapm_widgets;
768 const struct snd_soc_dapm_route *dapm_routes;
771 struct work_struct deferred_resume_work;
773 /* lists of probed devices belonging to this card */
774 struct list_head codec_dev_list;
775 struct list_head platform_dev_list;
776 struct list_head dai_dev_list;
778 struct list_head widgets;
779 struct list_head paths;
780 struct list_head dapm_list;
782 /* Generic DAPM context for the card */
783 struct snd_soc_dapm_context dapm;
785 #ifdef CONFIG_DEBUG_FS
786 struct dentry *debugfs_card_root;
787 struct dentry *debugfs_pop_time;
794 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
795 struct snd_soc_pcm_runtime {
797 struct snd_soc_card *card;
798 struct snd_soc_dai_link *dai_link;
800 unsigned int complete:1;
801 unsigned int dev_registered:1;
803 /* Symmetry data - only valid if symmetry is being enforced */
807 /* runtime devices */
809 struct snd_soc_codec *codec;
810 struct snd_soc_platform *platform;
811 struct snd_soc_dai *codec_dai;
812 struct snd_soc_dai *cpu_dai;
814 struct delayed_work delayed_work;
818 struct soc_mixer_control {
819 int min, max, platform_max;
820 unsigned int reg, rreg, shift, rshift, invert;
823 /* enumerated kcontrol */
827 unsigned char shift_l;
828 unsigned char shift_r;
831 const char * const *texts;
832 const unsigned int *values;
837 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
838 unsigned int snd_soc_write(struct snd_soc_codec *codec,
839 unsigned int reg, unsigned int val);
840 unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec,
841 unsigned int reg, const void *data, size_t len);
843 /* device driver data */
845 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
848 card->drvdata = data;
851 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
853 return card->drvdata;
856 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
859 dev_set_drvdata(codec->dev, data);
862 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
864 return dev_get_drvdata(codec->dev);
867 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
870 dev_set_drvdata(platform->dev, data);
873 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
875 return dev_get_drvdata(platform->dev);
878 static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd,
881 dev_set_drvdata(&rtd->dev, data);
884 static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd)
886 return dev_get_drvdata(&rtd->dev);
889 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
891 INIT_LIST_HEAD(&card->dai_dev_list);
892 INIT_LIST_HEAD(&card->codec_dev_list);
893 INIT_LIST_HEAD(&card->platform_dev_list);
894 INIT_LIST_HEAD(&card->widgets);
895 INIT_LIST_HEAD(&card->paths);
896 INIT_LIST_HEAD(&card->dapm_list);
899 int snd_soc_util_init(void);
900 void snd_soc_util_exit(void);
902 #include <sound/soc-dai.h>
904 #ifdef CONFIG_DEBUG_FS
905 extern struct dentry *snd_soc_debugfs_root;
908 extern const struct dev_pm_ops snd_soc_pm_ops;