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 <linux/regmap.h>
23 #include <linux/log2.h>
24 #include <sound/core.h>
25 #include <sound/pcm.h>
26 #include <sound/compress_driver.h>
27 #include <sound/control.h>
28 #include <sound/ac97_codec.h>
31 * Convenience kcontrol builders
33 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert) \
34 ((unsigned long)&(struct soc_mixer_control) \
35 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
36 .rshift = shift_right, .max = xmax, .platform_max = xmax, \
38 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) \
39 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert)
40 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
41 ((unsigned long)&(struct soc_mixer_control) \
42 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
43 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
44 ((unsigned long)&(struct soc_mixer_control) \
45 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
46 .max = xmax, .platform_max = xmax, .invert = xinvert})
47 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
48 ((unsigned long)&(struct soc_mixer_control) \
49 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
50 .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
51 #define SOC_SINGLE(xname, reg, shift, max, invert) \
52 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
53 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
54 .put = snd_soc_put_volsw, \
55 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
56 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
57 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
58 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
59 .put = snd_soc_put_volsw_range, \
60 .private_value = (unsigned long)&(struct soc_mixer_control) \
61 {.reg = xreg, .rreg = xreg, .shift = xshift, \
62 .rshift = xshift, .min = xmin, .max = xmax, \
63 .platform_max = xmax, .invert = xinvert} }
64 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, 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 = SOC_SINGLE_VALUE(reg, shift, max, invert) }
72 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
73 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
74 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
75 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
76 .tlv.p = (tlv_array),\
77 .info = snd_soc_info_volsw, \
78 .get = snd_soc_get_volsw_sx,\
79 .put = snd_soc_put_volsw_sx, \
80 .private_value = (unsigned long)&(struct soc_mixer_control) \
81 {.reg = xreg, .rreg = xreg, \
82 .shift = xshift, .rshift = xshift, \
83 .max = xmax, .min = xmin} }
84 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, 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_range, \
90 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
91 .private_value = (unsigned long)&(struct soc_mixer_control) \
92 {.reg = xreg, .rreg = xreg, .shift = xshift, \
93 .rshift = xshift, .min = xmin, .max = xmax, \
94 .platform_max = xmax, .invert = xinvert} }
95 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
96 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
97 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
98 .put = snd_soc_put_volsw, \
99 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
101 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
102 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
103 .info = snd_soc_info_volsw, \
104 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
105 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
107 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
109 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
110 .info = snd_soc_info_volsw_range, \
111 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
112 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
113 xshift, xmin, xmax, xinvert) }
114 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
115 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
116 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
117 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
118 .tlv.p = (tlv_array), \
119 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
120 .put = snd_soc_put_volsw, \
121 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
123 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
124 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
125 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
126 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
127 .tlv.p = (tlv_array), \
128 .info = snd_soc_info_volsw, \
129 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
130 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
132 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
133 xmax, xinvert, tlv_array) \
134 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
135 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
136 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
137 .tlv.p = (tlv_array), \
138 .info = snd_soc_info_volsw_range, \
139 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
140 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
141 xshift, xmin, xmax, xinvert) }
142 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
143 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
144 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
145 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
146 .tlv.p = (tlv_array), \
147 .info = snd_soc_info_volsw, \
148 .get = snd_soc_get_volsw_sx, \
149 .put = snd_soc_put_volsw_sx, \
150 .private_value = (unsigned long)&(struct soc_mixer_control) \
151 {.reg = xreg, .rreg = xrreg, \
152 .shift = xshift, .rshift = xshift, \
153 .max = xmax, .min = xmin} }
154 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
155 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
156 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
157 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
158 .tlv.p = (tlv_array), \
159 .info = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \
160 .put = snd_soc_put_volsw_s8, \
161 .private_value = (unsigned long)&(struct soc_mixer_control) \
162 {.reg = xreg, .min = xmin, .max = xmax, \
163 .platform_max = xmax} }
164 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmax, xtexts) \
165 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
166 .max = xmax, .texts = xtexts, \
167 .mask = xmax ? roundup_pow_of_two(xmax) - 1 : 0}
168 #define SOC_ENUM_SINGLE(xreg, xshift, xmax, xtexts) \
169 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmax, xtexts)
170 #define SOC_ENUM_SINGLE_EXT(xmax, xtexts) \
171 { .max = xmax, .texts = xtexts }
172 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xmax, xtexts, xvalues) \
173 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
174 .mask = xmask, .max = xmax, .texts = xtexts, .values = xvalues}
175 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xmax, xtexts, xvalues) \
176 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xmax, xtexts, xvalues)
177 #define SOC_ENUM(xname, xenum) \
178 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
179 .info = snd_soc_info_enum_double, \
180 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
181 .private_value = (unsigned long)&xenum }
182 #define SOC_VALUE_ENUM(xname, xenum) \
183 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
184 .info = snd_soc_info_enum_double, \
185 .get = snd_soc_get_value_enum_double, \
186 .put = snd_soc_put_value_enum_double, \
187 .private_value = (unsigned long)&xenum }
188 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
189 xhandler_get, xhandler_put) \
190 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
191 .info = snd_soc_info_volsw, \
192 .get = xhandler_get, .put = xhandler_put, \
193 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
194 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
195 xhandler_get, xhandler_put) \
196 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
197 .info = snd_soc_info_volsw, \
198 .get = xhandler_get, .put = xhandler_put, \
200 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert) }
201 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
202 xhandler_get, xhandler_put, tlv_array) \
203 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
204 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
205 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
206 .tlv.p = (tlv_array), \
207 .info = snd_soc_info_volsw, \
208 .get = xhandler_get, .put = xhandler_put, \
209 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
210 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
211 xhandler_get, xhandler_put, tlv_array) \
212 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
213 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
214 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
215 .tlv.p = (tlv_array), \
216 .info = snd_soc_info_volsw, \
217 .get = xhandler_get, .put = xhandler_put, \
218 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
220 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
221 xhandler_get, xhandler_put, tlv_array) \
222 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
223 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
224 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
225 .tlv.p = (tlv_array), \
226 .info = snd_soc_info_volsw, \
227 .get = xhandler_get, .put = xhandler_put, \
228 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
230 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
231 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
232 .info = snd_soc_info_bool_ext, \
233 .get = xhandler_get, .put = xhandler_put, \
234 .private_value = xdata }
235 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
236 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
237 .info = snd_soc_info_enum_ext, \
238 .get = xhandler_get, .put = xhandler_put, \
239 .private_value = (unsigned long)&xenum }
241 #define SND_SOC_BYTES(xname, xbase, xregs) \
242 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
243 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
244 .put = snd_soc_bytes_put, .private_value = \
245 ((unsigned long)&(struct soc_bytes) \
246 {.base = xbase, .num_regs = xregs }) }
248 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \
249 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
250 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
251 .put = snd_soc_bytes_put, .private_value = \
252 ((unsigned long)&(struct soc_bytes) \
253 {.base = xbase, .num_regs = xregs, \
256 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
257 xmin, xmax, xinvert) \
258 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
259 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
260 .put = snd_soc_put_xr_sx, \
261 .private_value = (unsigned long)&(struct soc_mreg_control) \
262 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
263 .invert = xinvert, .min = xmin, .max = xmax} }
265 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
266 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
267 snd_soc_get_strobe, snd_soc_put_strobe)
270 * Simplified versions of above macros, declaring a struct and calculating
271 * ARRAY_SIZE internally
273 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
274 struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
275 ARRAY_SIZE(xtexts), xtexts)
276 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
277 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
278 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
279 struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
280 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
281 struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
282 ARRAY_SIZE(xtexts), xtexts, xvalues)
283 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
284 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
287 * Component probe and remove ordering levels for components with runtime
290 #define SND_SOC_COMP_ORDER_FIRST -2
291 #define SND_SOC_COMP_ORDER_EARLY -1
292 #define SND_SOC_COMP_ORDER_NORMAL 0
293 #define SND_SOC_COMP_ORDER_LATE 1
294 #define SND_SOC_COMP_ORDER_LAST 2
299 * @ON: Bias is fully on for audio playback and capture operations.
300 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
301 * stream start and stop operations.
302 * @STANDBY: Low power standby state when no playback/capture operations are
303 * in progress. NOTE: The transition time between STANDBY and ON
304 * should be as fast as possible and no longer than 10ms.
305 * @OFF: Power Off. No restrictions on transition times.
307 enum snd_soc_bias_level {
308 SND_SOC_BIAS_OFF = 0,
309 SND_SOC_BIAS_STANDBY = 1,
310 SND_SOC_BIAS_PREPARE = 2,
317 struct snd_soc_pcm_stream;
319 struct snd_soc_pcm_runtime;
321 struct snd_soc_dai_driver;
322 struct snd_soc_platform;
323 struct snd_soc_dai_link;
324 struct snd_soc_platform_driver;
325 struct snd_soc_codec;
326 struct snd_soc_codec_driver;
327 struct snd_soc_component;
328 struct snd_soc_component_driver;
331 struct snd_soc_jack_zone;
332 struct snd_soc_jack_pin;
333 struct snd_soc_cache_ops;
334 #include <sound/soc-dapm.h>
335 #include <sound/soc-dpcm.h>
337 #ifdef CONFIG_GPIOLIB
338 struct snd_soc_jack_gpio;
341 typedef int (*hw_write_t)(void *,const char* ,int);
343 extern struct snd_ac97_bus_ops soc_ac97_ops;
345 enum snd_soc_control_type {
351 enum snd_soc_compress_type {
352 SND_SOC_FLAT_COMPRESSION = 1,
355 enum snd_soc_pcm_subclass {
356 SND_SOC_PCM_CLASS_PCM = 0,
357 SND_SOC_PCM_CLASS_BE = 1,
360 enum snd_soc_card_subclass {
361 SND_SOC_CARD_CLASS_INIT = 0,
362 SND_SOC_CARD_CLASS_RUNTIME = 1,
365 int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
366 int source, unsigned int freq, int dir);
367 int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
368 unsigned int freq_in, unsigned int freq_out);
370 int snd_soc_register_card(struct snd_soc_card *card);
371 int snd_soc_unregister_card(struct snd_soc_card *card);
372 int snd_soc_suspend(struct device *dev);
373 int snd_soc_resume(struct device *dev);
374 int snd_soc_poweroff(struct device *dev);
375 int snd_soc_register_platform(struct device *dev,
376 const struct snd_soc_platform_driver *platform_drv);
377 void snd_soc_unregister_platform(struct device *dev);
378 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
379 const struct snd_soc_platform_driver *platform_drv);
380 void snd_soc_remove_platform(struct snd_soc_platform *platform);
381 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
382 int snd_soc_register_codec(struct device *dev,
383 const struct snd_soc_codec_driver *codec_drv,
384 struct snd_soc_dai_driver *dai_drv, int num_dai);
385 void snd_soc_unregister_codec(struct device *dev);
386 int snd_soc_register_component(struct device *dev,
387 const struct snd_soc_component_driver *cmpnt_drv,
388 struct snd_soc_dai_driver *dai_drv, int num_dai);
389 void snd_soc_unregister_component(struct device *dev);
390 int snd_soc_codec_volatile_register(struct snd_soc_codec *codec,
392 int snd_soc_codec_readable_register(struct snd_soc_codec *codec,
394 int snd_soc_codec_writable_register(struct snd_soc_codec *codec,
396 int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
397 int addr_bits, int data_bits,
398 enum snd_soc_control_type control);
399 int snd_soc_cache_sync(struct snd_soc_codec *codec);
400 int snd_soc_cache_init(struct snd_soc_codec *codec);
401 int snd_soc_cache_exit(struct snd_soc_codec *codec);
402 int snd_soc_cache_write(struct snd_soc_codec *codec,
403 unsigned int reg, unsigned int value);
404 int snd_soc_cache_read(struct snd_soc_codec *codec,
405 unsigned int reg, unsigned int *value);
406 int snd_soc_default_volatile_register(struct snd_soc_codec *codec,
408 int snd_soc_default_readable_register(struct snd_soc_codec *codec,
410 int snd_soc_default_writable_register(struct snd_soc_codec *codec,
412 int snd_soc_platform_read(struct snd_soc_platform *platform,
414 int snd_soc_platform_write(struct snd_soc_platform *platform,
415 unsigned int reg, unsigned int val);
416 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
417 int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
419 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
420 const char *dai_link, int stream);
421 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
422 const char *dai_link);
424 /* Utility functions to get clock rates from various things */
425 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
426 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
427 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
428 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
430 /* set runtime hw params */
431 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
432 const struct snd_pcm_hardware *hw);
434 int snd_soc_platform_trigger(struct snd_pcm_substream *substream,
435 int cmd, struct snd_soc_platform *platform);
438 int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type,
439 struct snd_soc_jack *jack);
440 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
441 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
442 struct snd_soc_jack_pin *pins);
443 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
444 struct notifier_block *nb);
445 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
446 struct notifier_block *nb);
447 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
448 struct snd_soc_jack_zone *zones);
449 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
450 #ifdef CONFIG_GPIOLIB
451 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
452 struct snd_soc_jack_gpio *gpios);
453 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
454 struct snd_soc_jack_gpio *gpios);
457 /* codec register bit access */
458 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
459 unsigned int mask, unsigned int value);
460 int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
461 unsigned short reg, unsigned int mask,
463 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
464 unsigned int mask, unsigned int value);
466 int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
467 struct snd_ac97_bus_ops *ops, int num);
468 void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);
473 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
474 void *data, const char *long_name,
476 int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
477 const struct snd_kcontrol_new *controls, int num_controls);
478 int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
479 const struct snd_kcontrol_new *controls, int num_controls);
480 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
481 const struct snd_kcontrol_new *controls, int num_controls);
482 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
483 const struct snd_kcontrol_new *controls, int num_controls);
484 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
485 struct snd_ctl_elem_info *uinfo);
486 int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,
487 struct snd_ctl_elem_info *uinfo);
488 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
489 struct snd_ctl_elem_value *ucontrol);
490 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
491 struct snd_ctl_elem_value *ucontrol);
492 int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol,
493 struct snd_ctl_elem_value *ucontrol);
494 int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol,
495 struct snd_ctl_elem_value *ucontrol);
496 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
497 struct snd_ctl_elem_info *uinfo);
498 int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
499 struct snd_ctl_elem_info *uinfo);
500 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
501 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
502 struct snd_ctl_elem_value *ucontrol);
503 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
504 struct snd_ctl_elem_value *ucontrol);
505 #define snd_soc_get_volsw_2r snd_soc_get_volsw
506 #define snd_soc_put_volsw_2r snd_soc_put_volsw
507 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
508 struct snd_ctl_elem_value *ucontrol);
509 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
510 struct snd_ctl_elem_value *ucontrol);
511 int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
512 struct snd_ctl_elem_info *uinfo);
513 int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
514 struct snd_ctl_elem_value *ucontrol);
515 int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
516 struct snd_ctl_elem_value *ucontrol);
517 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
518 struct snd_ctl_elem_info *uinfo);
519 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
520 struct snd_ctl_elem_value *ucontrol);
521 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
522 struct snd_ctl_elem_value *ucontrol);
523 int snd_soc_limit_volume(struct snd_soc_codec *codec,
524 const char *name, int max);
525 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
526 struct snd_ctl_elem_info *uinfo);
527 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
528 struct snd_ctl_elem_value *ucontrol);
529 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
530 struct snd_ctl_elem_value *ucontrol);
531 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
532 struct snd_ctl_elem_info *uinfo);
533 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
534 struct snd_ctl_elem_value *ucontrol);
535 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
536 struct snd_ctl_elem_value *ucontrol);
537 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
538 struct snd_ctl_elem_value *ucontrol);
539 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
540 struct snd_ctl_elem_value *ucontrol);
543 * struct snd_soc_reg_access - Describes whether a given register is
544 * readable, writable or volatile.
546 * @reg: the register number
547 * @read: whether this register is readable
548 * @write: whether this register is writable
549 * @vol: whether this register is volatile
551 struct snd_soc_reg_access {
559 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
561 * @pin: name of the pin to update
562 * @mask: bits to check for in reported jack status
563 * @invert: if non-zero then pin is enabled when status is not reported
565 struct snd_soc_jack_pin {
566 struct list_head list;
573 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
575 * @min_mv: start voltage in mv
576 * @max_mv: end voltage in mv
577 * @jack_type: type of jack that is expected for this voltage
578 * @debounce_time: debounce_time for jack, codec driver should wait for this
579 * duration before reading the adc for voltages
580 * @:list: list container
582 struct snd_soc_jack_zone {
585 unsigned int jack_type;
586 unsigned int debounce_time;
587 struct list_head list;
591 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
595 * @report: value to report when jack detected
596 * @invert: report presence in low state
597 * @debouce_time: debouce time in ms
598 * @wake: enable as wake source
599 * @jack_status_check: callback function which overrides the detection
600 * to provide more complex checks (eg, reading an
603 #ifdef CONFIG_GPIOLIB
604 struct snd_soc_jack_gpio {
612 struct snd_soc_jack *jack;
613 struct delayed_work work;
615 int (*jack_status_check)(void);
619 struct snd_soc_jack {
621 struct snd_jack *jack;
622 struct snd_soc_codec *codec;
623 struct list_head pins;
625 struct blocking_notifier_head notifier;
626 struct list_head jack_zones;
629 /* SoC PCM stream information */
630 struct snd_soc_pcm_stream {
631 const char *stream_name;
632 u64 formats; /* SNDRV_PCM_FMTBIT_* */
633 unsigned int rates; /* SNDRV_PCM_RATE_* */
634 unsigned int rate_min; /* min rate */
635 unsigned int rate_max; /* max rate */
636 unsigned int channels_min; /* min channels */
637 unsigned int channels_max; /* max channels */
638 unsigned int sig_bits; /* number of bits of content */
643 int (*startup)(struct snd_pcm_substream *);
644 void (*shutdown)(struct snd_pcm_substream *);
645 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
646 int (*hw_free)(struct snd_pcm_substream *);
647 int (*prepare)(struct snd_pcm_substream *);
648 int (*trigger)(struct snd_pcm_substream *, int);
651 struct snd_soc_compr_ops {
652 int (*startup)(struct snd_compr_stream *);
653 void (*shutdown)(struct snd_compr_stream *);
654 int (*set_params)(struct snd_compr_stream *);
655 int (*trigger)(struct snd_compr_stream *);
659 struct snd_soc_cache_ops {
661 enum snd_soc_compress_type id;
662 int (*init)(struct snd_soc_codec *codec);
663 int (*exit)(struct snd_soc_codec *codec);
664 int (*read)(struct snd_soc_codec *codec, unsigned int reg,
665 unsigned int *value);
666 int (*write)(struct snd_soc_codec *codec, unsigned int reg,
668 int (*sync)(struct snd_soc_codec *codec);
671 /* SoC Audio Codec device */
672 struct snd_soc_codec {
674 const char *name_prefix;
677 const struct snd_soc_codec_driver *driver;
680 struct snd_soc_card *card;
681 struct list_head list;
682 struct list_head card_list;
684 enum snd_soc_compress_type compress_type;
685 size_t reg_size; /* reg_cache_size * reg_word_size */
686 int (*volatile_register)(struct snd_soc_codec *, unsigned int);
687 int (*readable_register)(struct snd_soc_codec *, unsigned int);
688 int (*writable_register)(struct snd_soc_codec *, unsigned int);
691 struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
693 unsigned int cache_bypass:1; /* Suppress access to the cache */
694 unsigned int suspended:1; /* Codec is in suspend PM state */
695 unsigned int probed:1; /* Codec has been probed */
696 unsigned int ac97_registered:1; /* Codec has been AC97 registered */
697 unsigned int ac97_created:1; /* Codec has been created by SoC */
698 unsigned int sysfs_registered:1; /* codec has been sysfs registered */
699 unsigned int cache_init:1; /* codec cache has been initialized */
700 unsigned int using_regmap:1; /* using regmap access */
701 u32 cache_only; /* Suppress writes to hardware */
702 u32 cache_sync; /* Cache needs to be synced to hardware */
705 void *control_data; /* codec control (i2c/3wire) data */
706 enum snd_soc_control_type control_type;
708 unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int);
709 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
710 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
711 int (*bulk_write_raw)(struct snd_soc_codec *, unsigned int, const void *, size_t);
713 const void *reg_def_copy;
714 const struct snd_soc_cache_ops *cache_ops;
715 struct mutex cache_rw_mutex;
719 struct snd_soc_dapm_context dapm;
720 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
722 #ifdef CONFIG_DEBUG_FS
723 struct dentry *debugfs_codec_root;
724 struct dentry *debugfs_reg;
725 struct dentry *debugfs_dapm;
730 struct snd_soc_codec_driver {
733 int (*probe)(struct snd_soc_codec *);
734 int (*remove)(struct snd_soc_codec *);
735 int (*suspend)(struct snd_soc_codec *);
736 int (*resume)(struct snd_soc_codec *);
738 /* Default control and setup, added after probe() is run */
739 const struct snd_kcontrol_new *controls;
741 const struct snd_soc_dapm_widget *dapm_widgets;
742 int num_dapm_widgets;
743 const struct snd_soc_dapm_route *dapm_routes;
746 /* codec wide operations */
747 int (*set_sysclk)(struct snd_soc_codec *codec,
748 int clk_id, int source, unsigned int freq, int dir);
749 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
750 unsigned int freq_in, unsigned int freq_out);
753 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
754 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
755 int (*display_register)(struct snd_soc_codec *, char *,
756 size_t, unsigned int);
757 int (*volatile_register)(struct snd_soc_codec *, unsigned int);
758 int (*readable_register)(struct snd_soc_codec *, unsigned int);
759 int (*writable_register)(struct snd_soc_codec *, unsigned int);
760 unsigned int reg_cache_size;
761 short reg_cache_step;
763 const void *reg_cache_default;
764 short reg_access_size;
765 const struct snd_soc_reg_access *reg_access_default;
766 enum snd_soc_compress_type compress_type;
768 /* codec bias level */
769 int (*set_bias_level)(struct snd_soc_codec *,
770 enum snd_soc_bias_level level);
773 void (*seq_notifier)(struct snd_soc_dapm_context *,
774 enum snd_soc_dapm_type, int);
776 /* codec stream completion event */
777 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event);
779 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */
781 /* probe ordering - for components with runtime dependencies */
786 /* SoC platform interface */
787 struct snd_soc_platform_driver {
789 int (*probe)(struct snd_soc_platform *);
790 int (*remove)(struct snd_soc_platform *);
791 int (*suspend)(struct snd_soc_dai *dai);
792 int (*resume)(struct snd_soc_dai *dai);
794 /* pcm creation and destruction */
795 int (*pcm_new)(struct snd_soc_pcm_runtime *);
796 void (*pcm_free)(struct snd_pcm *);
798 /* Default control and setup, added after probe() is run */
799 const struct snd_kcontrol_new *controls;
801 const struct snd_soc_dapm_widget *dapm_widgets;
802 int num_dapm_widgets;
803 const struct snd_soc_dapm_route *dapm_routes;
807 * For platform caused delay reporting.
810 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
811 struct snd_soc_dai *);
813 /* platform stream pcm ops */
814 const struct snd_pcm_ops *ops;
816 /* platform stream compress ops */
817 const struct snd_compr_ops *compr_ops;
819 /* platform stream completion event */
820 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event);
822 /* probe ordering - for components with runtime dependencies */
826 /* platform IO - used for platform DAPM */
827 unsigned int (*read)(struct snd_soc_platform *, unsigned int);
828 int (*write)(struct snd_soc_platform *, unsigned int, unsigned int);
829 int (*bespoke_trigger)(struct snd_pcm_substream *, int);
832 struct snd_soc_platform {
836 const struct snd_soc_platform_driver *driver;
839 unsigned int suspended:1; /* platform is suspended */
840 unsigned int probed:1;
842 struct snd_soc_card *card;
843 struct list_head list;
844 struct list_head card_list;
846 struct snd_soc_dapm_context dapm;
848 #ifdef CONFIG_DEBUG_FS
849 struct dentry *debugfs_platform_root;
850 struct dentry *debugfs_dapm;
854 struct snd_soc_component_driver {
858 struct snd_soc_component {
863 struct list_head list;
865 const struct snd_soc_component_driver *driver;
868 struct snd_soc_dai_link {
869 /* config - must be set by machine driver */
870 const char *name; /* Codec name */
871 const char *stream_name; /* Stream name */
873 * You MAY specify the link's CPU-side device, either by device name,
874 * or by DT/OF node, but not both. If this information is omitted,
875 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
876 * must be globally unique. These fields are currently typically used
877 * only for codec to codec links, or systems using device tree.
879 const char *cpu_name;
880 const struct device_node *cpu_of_node;
882 * You MAY specify the DAI name of the CPU DAI. If this information is
883 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
884 * only, which only works well when that device exposes a single DAI.
886 const char *cpu_dai_name;
888 * You MUST specify the link's codec, either by device name, or by
889 * DT/OF node, but not both.
891 const char *codec_name;
892 const struct device_node *codec_of_node;
893 /* You MUST specify the DAI name within the codec */
894 const char *codec_dai_name;
896 * You MAY specify the link's platform/PCM/DMA driver, either by
897 * device name, or by DT/OF node, but not both. Some forms of link
898 * do not need a platform.
900 const char *platform_name;
901 const struct device_node *platform_of_node;
902 int be_id; /* optional ID for machine driver BE identification */
904 const struct snd_soc_pcm_stream *params;
906 unsigned int dai_fmt; /* format to set on init */
908 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
910 /* Keep DAI active over suspend */
911 unsigned int ignore_suspend:1;
913 /* Symmetry requirements */
914 unsigned int symmetric_rates:1;
916 /* Do not create a PCM for this DAI link (Backend link) */
917 unsigned int no_pcm:1;
919 /* This DAI link can route to other DAI links at runtime (Frontend)*/
920 unsigned int dynamic:1;
922 /* pmdown_time is ignored at stop */
923 unsigned int ignore_pmdown_time:1;
925 /* codec/machine specific init - e.g. add machine controls */
926 int (*init)(struct snd_soc_pcm_runtime *rtd);
928 /* optional hw_params re-writing for BE and FE sync */
929 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
930 struct snd_pcm_hw_params *params);
932 /* machine stream operations */
933 const struct snd_soc_ops *ops;
934 const struct snd_soc_compr_ops *compr_ops;
937 struct snd_soc_codec_conf {
938 const char *dev_name;
941 * optional map of kcontrol, widget and path name prefixes that are
942 * associated per device
944 const char *name_prefix;
947 * set this to the desired compression type if you want to
948 * override the one supplied in codec->driver->compress_type
950 enum snd_soc_compress_type compress_type;
953 struct snd_soc_aux_dev {
954 const char *name; /* Codec name */
955 const char *codec_name; /* for multi-codec */
957 /* codec/machine specific init - e.g. add machine controls */
958 int (*init)(struct snd_soc_dapm_context *dapm);
962 struct snd_soc_card {
964 const char *long_name;
965 const char *driver_name;
967 struct snd_card *snd_card;
968 struct module *owner;
970 struct list_head list;
972 struct mutex dapm_mutex;
976 int (*probe)(struct snd_soc_card *card);
977 int (*late_probe)(struct snd_soc_card *card);
978 int (*remove)(struct snd_soc_card *card);
980 /* the pre and post PM functions are used to do any PM work before and
981 * after the codec and DAI's do any PM work. */
982 int (*suspend_pre)(struct snd_soc_card *card);
983 int (*suspend_post)(struct snd_soc_card *card);
984 int (*resume_pre)(struct snd_soc_card *card);
985 int (*resume_post)(struct snd_soc_card *card);
988 int (*set_bias_level)(struct snd_soc_card *,
989 struct snd_soc_dapm_context *dapm,
990 enum snd_soc_bias_level level);
991 int (*set_bias_level_post)(struct snd_soc_card *,
992 struct snd_soc_dapm_context *dapm,
993 enum snd_soc_bias_level level);
997 /* CPU <--> Codec DAI links */
998 struct snd_soc_dai_link *dai_link;
1000 struct snd_soc_pcm_runtime *rtd;
1003 /* optional codec specific configuration */
1004 struct snd_soc_codec_conf *codec_conf;
1008 * optional auxiliary devices such as amplifiers or codecs with DAI
1011 struct snd_soc_aux_dev *aux_dev;
1013 struct snd_soc_pcm_runtime *rtd_aux;
1016 const struct snd_kcontrol_new *controls;
1020 * Card-specific routes and widgets.
1022 const struct snd_soc_dapm_widget *dapm_widgets;
1023 int num_dapm_widgets;
1024 const struct snd_soc_dapm_route *dapm_routes;
1025 int num_dapm_routes;
1028 struct work_struct deferred_resume_work;
1030 /* lists of probed devices belonging to this card */
1031 struct list_head codec_dev_list;
1032 struct list_head platform_dev_list;
1033 struct list_head dai_dev_list;
1035 struct list_head widgets;
1036 struct list_head paths;
1037 struct list_head dapm_list;
1038 struct list_head dapm_dirty;
1040 /* Generic DAPM context for the card */
1041 struct snd_soc_dapm_context dapm;
1042 struct snd_soc_dapm_stats dapm_stats;
1044 #ifdef CONFIG_DEBUG_FS
1045 struct dentry *debugfs_card_root;
1046 struct dentry *debugfs_pop_time;
1053 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1054 struct snd_soc_pcm_runtime {
1056 struct snd_soc_card *card;
1057 struct snd_soc_dai_link *dai_link;
1058 struct mutex pcm_mutex;
1059 enum snd_soc_pcm_subclass pcm_subclass;
1060 struct snd_pcm_ops ops;
1062 unsigned int dev_registered:1;
1064 /* Dynamic PCM BE runtime data */
1065 struct snd_soc_dpcm_runtime dpcm[2];
1068 unsigned char pop_wait:1;
1070 /* runtime devices */
1071 struct snd_pcm *pcm;
1072 struct snd_compr *compr;
1073 struct snd_soc_codec *codec;
1074 struct snd_soc_platform *platform;
1075 struct snd_soc_dai *codec_dai;
1076 struct snd_soc_dai *cpu_dai;
1078 struct delayed_work delayed_work;
1079 #ifdef CONFIG_DEBUG_FS
1080 struct dentry *debugfs_dpcm_root;
1081 struct dentry *debugfs_dpcm_state;
1086 struct soc_mixer_control {
1087 int min, max, platform_max;
1088 unsigned int reg, rreg, shift, rshift, invert;
1097 /* multi register control */
1098 struct soc_mreg_control {
1100 unsigned int regbase, regcount, nbits, invert;
1103 /* enumerated kcontrol */
1106 unsigned short reg2;
1107 unsigned char shift_l;
1108 unsigned char shift_r;
1111 const char * const *texts;
1112 const unsigned int *values;
1116 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1117 unsigned int snd_soc_write(struct snd_soc_codec *codec,
1118 unsigned int reg, unsigned int val);
1119 unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec,
1120 unsigned int reg, const void *data, size_t len);
1122 /* device driver data */
1124 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1127 card->drvdata = data;
1130 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1132 return card->drvdata;
1135 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1138 dev_set_drvdata(codec->dev, data);
1141 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1143 return dev_get_drvdata(codec->dev);
1146 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1149 dev_set_drvdata(platform->dev, data);
1152 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1154 return dev_get_drvdata(platform->dev);
1157 static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd,
1160 dev_set_drvdata(rtd->dev, data);
1163 static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd)
1165 return dev_get_drvdata(rtd->dev);
1168 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1170 INIT_LIST_HEAD(&card->dai_dev_list);
1171 INIT_LIST_HEAD(&card->codec_dev_list);
1172 INIT_LIST_HEAD(&card->platform_dev_list);
1173 INIT_LIST_HEAD(&card->widgets);
1174 INIT_LIST_HEAD(&card->paths);
1175 INIT_LIST_HEAD(&card->dapm_list);
1178 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1180 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1183 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1184 * mc->reg != mc->rreg means that the control is
1185 * stereo (bits in one register or in two registers)
1190 int snd_soc_util_init(void);
1191 void snd_soc_util_exit(void);
1193 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1194 const char *propname);
1195 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1196 const char *propname);
1197 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1198 const char *prefix);
1200 #include <sound/soc-dai.h>
1202 #ifdef CONFIG_DEBUG_FS
1203 extern struct dentry *snd_soc_debugfs_root;
1206 extern const struct dev_pm_ops snd_soc_pm_ops;