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
17 #include <linux/platform_device.h>
18 #include <linux/types.h>
19 #include <linux/notifier.h>
20 #include <linux/workqueue.h>
21 #include <linux/interrupt.h>
22 #include <linux/kernel.h>
23 #include <linux/regmap.h>
24 #include <linux/log2.h>
25 #include <sound/core.h>
26 #include <sound/pcm.h>
27 #include <sound/compress_driver.h>
28 #include <sound/control.h>
29 #include <sound/ac97_codec.h>
32 * Convenience kcontrol builders
34 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
35 ((unsigned long)&(struct soc_mixer_control) \
36 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
37 .rshift = shift_right, .max = xmax, .platform_max = xmax, \
38 .invert = xinvert, .autodisable = xautodisable})
39 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
40 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
41 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
42 ((unsigned long)&(struct soc_mixer_control) \
43 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
44 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
45 ((unsigned long)&(struct soc_mixer_control) \
46 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
47 .max = xmax, .platform_max = xmax, .invert = xinvert})
48 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
49 ((unsigned long)&(struct soc_mixer_control) \
50 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
51 .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
53 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
54 ((unsigned long)&(struct soc_mixer_control) \
55 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
56 .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
57 #define SOC_SINGLE(xname, reg, shift, max, invert) \
58 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
59 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
60 .put = snd_soc_put_volsw, \
61 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
62 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
63 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
64 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
65 .put = snd_soc_put_volsw_range, \
66 .private_value = (unsigned long)&(struct soc_mixer_control) \
67 {.reg = xreg, .rreg = xreg, .shift = xshift, \
68 .rshift = xshift, .min = xmin, .max = xmax, \
69 .platform_max = xmax, .invert = xinvert} }
70 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
71 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
72 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
73 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
74 .tlv.p = (tlv_array), \
75 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
76 .put = snd_soc_put_volsw, \
77 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
78 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
79 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
80 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
81 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
82 .tlv.p = (tlv_array),\
83 .info = snd_soc_info_volsw, \
84 .get = snd_soc_get_volsw_sx,\
85 .put = snd_soc_put_volsw_sx, \
86 .private_value = (unsigned long)&(struct soc_mixer_control) \
87 {.reg = xreg, .rreg = xreg, \
88 .shift = xshift, .rshift = xshift, \
89 .max = xmax, .min = xmin} }
90 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
91 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
92 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
93 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
94 .tlv.p = (tlv_array), \
95 .info = snd_soc_info_volsw_range, \
96 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
97 .private_value = (unsigned long)&(struct soc_mixer_control) \
98 {.reg = xreg, .rreg = xreg, .shift = xshift, \
99 .rshift = xshift, .min = xmin, .max = xmax, \
100 .platform_max = xmax, .invert = xinvert} }
101 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
102 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
103 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
104 .put = snd_soc_put_volsw, \
105 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
107 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
108 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
109 .info = snd_soc_info_volsw, \
110 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
111 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
113 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
115 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
116 .info = snd_soc_info_volsw_range, \
117 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
118 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
119 xshift, xmin, xmax, xinvert) }
120 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
121 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
122 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
123 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
124 .tlv.p = (tlv_array), \
125 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
126 .put = snd_soc_put_volsw, \
127 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
129 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
130 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
131 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
132 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
133 .tlv.p = (tlv_array), \
134 .info = snd_soc_info_volsw, \
135 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
136 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
138 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
139 xmax, xinvert, 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_range, \
145 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
146 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
147 xshift, xmin, xmax, xinvert) }
148 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
149 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
150 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
151 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
152 .tlv.p = (tlv_array), \
153 .info = snd_soc_info_volsw, \
154 .get = snd_soc_get_volsw_sx, \
155 .put = snd_soc_put_volsw_sx, \
156 .private_value = (unsigned long)&(struct soc_mixer_control) \
157 {.reg = xreg, .rreg = xrreg, \
158 .shift = xshift, .rshift = xshift, \
159 .max = xmax, .min = xmin} }
160 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
161 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
162 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
163 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
164 .tlv.p = (tlv_array), \
165 .info = snd_soc_info_volsw, \
166 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
167 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
168 xmin, xmax, xsign_bit, xinvert) }
169 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
170 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
171 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
172 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
173 .tlv.p = (tlv_array), \
174 .info = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \
175 .put = snd_soc_put_volsw_s8, \
176 .private_value = (unsigned long)&(struct soc_mixer_control) \
177 {.reg = xreg, .min = xmin, .max = xmax, \
178 .platform_max = xmax} }
179 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
180 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
181 .items = xitems, .texts = xtexts, \
182 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
183 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
184 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
185 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
186 { .items = xitems, .texts = xtexts }
187 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
188 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
189 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
190 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xnitmes, xtexts, xvalues) \
191 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xnitmes, xtexts, xvalues)
192 #define SOC_ENUM(xname, xenum) \
193 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
194 .info = snd_soc_info_enum_double, \
195 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
196 .private_value = (unsigned long)&xenum }
197 #define SOC_VALUE_ENUM(xname, xenum) \
198 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
199 .info = snd_soc_info_enum_double, \
200 .get = snd_soc_get_value_enum_double, \
201 .put = snd_soc_put_value_enum_double, \
202 .private_value = (unsigned long)&xenum }
203 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
204 xhandler_get, xhandler_put) \
205 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
206 .info = snd_soc_info_volsw, \
207 .get = xhandler_get, .put = xhandler_put, \
208 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
209 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
210 xhandler_get, xhandler_put) \
211 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
212 .info = snd_soc_info_volsw, \
213 .get = xhandler_get, .put = xhandler_put, \
215 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
216 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
217 xhandler_get, xhandler_put, tlv_array) \
218 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
219 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
220 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
221 .tlv.p = (tlv_array), \
222 .info = snd_soc_info_volsw, \
223 .get = xhandler_get, .put = xhandler_put, \
224 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
225 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
226 xhandler_get, xhandler_put, tlv_array) \
227 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
228 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
229 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
230 .tlv.p = (tlv_array), \
231 .info = snd_soc_info_volsw, \
232 .get = xhandler_get, .put = xhandler_put, \
233 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
235 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
236 xhandler_get, xhandler_put, tlv_array) \
237 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
238 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
239 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
240 .tlv.p = (tlv_array), \
241 .info = snd_soc_info_volsw, \
242 .get = xhandler_get, .put = xhandler_put, \
243 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
245 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
246 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
247 .info = snd_soc_info_bool_ext, \
248 .get = xhandler_get, .put = xhandler_put, \
249 .private_value = xdata }
250 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
251 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
252 .info = snd_soc_info_enum_double, \
253 .get = xhandler_get, .put = xhandler_put, \
254 .private_value = (unsigned long)&xenum }
256 #define SND_SOC_BYTES(xname, xbase, xregs) \
257 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
258 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
259 .put = snd_soc_bytes_put, .private_value = \
260 ((unsigned long)&(struct soc_bytes) \
261 {.base = xbase, .num_regs = xregs }) }
263 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \
264 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
265 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
266 .put = snd_soc_bytes_put, .private_value = \
267 ((unsigned long)&(struct soc_bytes) \
268 {.base = xbase, .num_regs = xregs, \
271 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
272 xmin, xmax, xinvert) \
273 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
274 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
275 .put = snd_soc_put_xr_sx, \
276 .private_value = (unsigned long)&(struct soc_mreg_control) \
277 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
278 .invert = xinvert, .min = xmin, .max = xmax} }
280 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
281 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
282 snd_soc_get_strobe, snd_soc_put_strobe)
285 * Simplified versions of above macros, declaring a struct and calculating
286 * ARRAY_SIZE internally
288 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
289 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
290 ARRAY_SIZE(xtexts), xtexts)
291 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
292 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
293 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
294 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
295 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
296 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
297 ARRAY_SIZE(xtexts), xtexts, xvalues)
298 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
299 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
302 * Component probe and remove ordering levels for components with runtime
305 #define SND_SOC_COMP_ORDER_FIRST -2
306 #define SND_SOC_COMP_ORDER_EARLY -1
307 #define SND_SOC_COMP_ORDER_NORMAL 0
308 #define SND_SOC_COMP_ORDER_LATE 1
309 #define SND_SOC_COMP_ORDER_LAST 2
314 * @ON: Bias is fully on for audio playback and capture operations.
315 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
316 * stream start and stop operations.
317 * @STANDBY: Low power standby state when no playback/capture operations are
318 * in progress. NOTE: The transition time between STANDBY and ON
319 * should be as fast as possible and no longer than 10ms.
320 * @OFF: Power Off. No restrictions on transition times.
322 enum snd_soc_bias_level {
323 SND_SOC_BIAS_OFF = 0,
324 SND_SOC_BIAS_STANDBY = 1,
325 SND_SOC_BIAS_PREPARE = 2,
332 struct snd_soc_pcm_stream;
334 struct snd_soc_pcm_runtime;
336 struct snd_soc_dai_driver;
337 struct snd_soc_platform;
338 struct snd_soc_dai_link;
339 struct snd_soc_platform_driver;
340 struct snd_soc_codec;
341 struct snd_soc_codec_driver;
342 struct snd_soc_component;
343 struct snd_soc_component_driver;
346 struct snd_soc_jack_zone;
347 struct snd_soc_jack_pin;
348 #include <sound/soc-dapm.h>
349 #include <sound/soc-dpcm.h>
351 struct snd_soc_jack_gpio;
353 typedef int (*hw_write_t)(void *,const char* ,int);
355 extern struct snd_ac97_bus_ops *soc_ac97_ops;
357 enum snd_soc_control_type {
363 enum snd_soc_pcm_subclass {
364 SND_SOC_PCM_CLASS_PCM = 0,
365 SND_SOC_PCM_CLASS_BE = 1,
368 enum snd_soc_card_subclass {
369 SND_SOC_CARD_CLASS_INIT = 0,
370 SND_SOC_CARD_CLASS_RUNTIME = 1,
373 int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
374 int source, unsigned int freq, int dir);
375 int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
376 unsigned int freq_in, unsigned int freq_out);
378 int snd_soc_register_card(struct snd_soc_card *card);
379 int snd_soc_unregister_card(struct snd_soc_card *card);
380 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
381 int snd_soc_suspend(struct device *dev);
382 int snd_soc_resume(struct device *dev);
383 int snd_soc_poweroff(struct device *dev);
384 int snd_soc_register_platform(struct device *dev,
385 const struct snd_soc_platform_driver *platform_drv);
386 void snd_soc_unregister_platform(struct device *dev);
387 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
388 const struct snd_soc_platform_driver *platform_drv);
389 void snd_soc_remove_platform(struct snd_soc_platform *platform);
390 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
391 int snd_soc_register_codec(struct device *dev,
392 const struct snd_soc_codec_driver *codec_drv,
393 struct snd_soc_dai_driver *dai_drv, int num_dai);
394 void snd_soc_unregister_codec(struct device *dev);
395 int snd_soc_register_component(struct device *dev,
396 const struct snd_soc_component_driver *cmpnt_drv,
397 struct snd_soc_dai_driver *dai_drv, int num_dai);
398 int devm_snd_soc_register_component(struct device *dev,
399 const struct snd_soc_component_driver *cmpnt_drv,
400 struct snd_soc_dai_driver *dai_drv, int num_dai);
401 void snd_soc_unregister_component(struct device *dev);
402 int snd_soc_codec_volatile_register(struct snd_soc_codec *codec,
404 int snd_soc_codec_readable_register(struct snd_soc_codec *codec,
406 int snd_soc_codec_writable_register(struct snd_soc_codec *codec,
408 int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
409 int addr_bits, int data_bits,
410 enum snd_soc_control_type control);
411 int snd_soc_cache_sync(struct snd_soc_codec *codec);
412 int snd_soc_cache_init(struct snd_soc_codec *codec);
413 int snd_soc_cache_exit(struct snd_soc_codec *codec);
414 int snd_soc_cache_write(struct snd_soc_codec *codec,
415 unsigned int reg, unsigned int value);
416 int snd_soc_cache_read(struct snd_soc_codec *codec,
417 unsigned int reg, unsigned int *value);
418 int snd_soc_platform_read(struct snd_soc_platform *platform,
420 int snd_soc_platform_write(struct snd_soc_platform *platform,
421 unsigned int reg, unsigned int val);
422 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
423 int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
425 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
426 const char *dai_link, int stream);
427 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
428 const char *dai_link);
430 /* Utility functions to get clock rates from various things */
431 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
432 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
433 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
434 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
436 /* set runtime hw params */
437 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
438 const struct snd_pcm_hardware *hw);
440 int snd_soc_platform_trigger(struct snd_pcm_substream *substream,
441 int cmd, struct snd_soc_platform *platform);
444 int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type,
445 struct snd_soc_jack *jack);
446 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
447 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
448 struct snd_soc_jack_pin *pins);
449 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
450 struct notifier_block *nb);
451 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
452 struct notifier_block *nb);
453 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
454 struct snd_soc_jack_zone *zones);
455 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
456 #ifdef CONFIG_GPIOLIB
457 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
458 struct snd_soc_jack_gpio *gpios);
459 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
460 struct snd_soc_jack_gpio *gpios);
462 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
463 struct snd_soc_jack_gpio *gpios)
468 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
469 struct snd_soc_jack_gpio *gpios)
474 /* codec register bit access */
475 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
476 unsigned int mask, unsigned int value);
477 int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
478 unsigned short reg, unsigned int mask,
480 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
481 unsigned int mask, unsigned int value);
483 int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
484 struct snd_ac97_bus_ops *ops, int num);
485 void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);
487 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
488 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
489 struct platform_device *pdev);
494 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
495 void *data, const char *long_name,
497 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
499 int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
500 const struct snd_kcontrol_new *controls, int num_controls);
501 int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
502 const struct snd_kcontrol_new *controls, int num_controls);
503 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
504 const struct snd_kcontrol_new *controls, int num_controls);
505 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
506 const struct snd_kcontrol_new *controls, int num_controls);
507 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
508 struct snd_ctl_elem_info *uinfo);
509 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
510 struct snd_ctl_elem_value *ucontrol);
511 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
512 struct snd_ctl_elem_value *ucontrol);
513 int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol,
514 struct snd_ctl_elem_value *ucontrol);
515 int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol,
516 struct snd_ctl_elem_value *ucontrol);
517 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
518 struct snd_ctl_elem_info *uinfo);
519 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
520 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
521 struct snd_ctl_elem_value *ucontrol);
522 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
523 struct snd_ctl_elem_value *ucontrol);
524 #define snd_soc_get_volsw_2r snd_soc_get_volsw
525 #define snd_soc_put_volsw_2r snd_soc_put_volsw
526 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
527 struct snd_ctl_elem_value *ucontrol);
528 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
529 struct snd_ctl_elem_value *ucontrol);
530 int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
531 struct snd_ctl_elem_info *uinfo);
532 int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
533 struct snd_ctl_elem_value *ucontrol);
534 int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
535 struct snd_ctl_elem_value *ucontrol);
536 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
537 struct snd_ctl_elem_info *uinfo);
538 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
539 struct snd_ctl_elem_value *ucontrol);
540 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
541 struct snd_ctl_elem_value *ucontrol);
542 int snd_soc_limit_volume(struct snd_soc_codec *codec,
543 const char *name, int max);
544 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
545 struct snd_ctl_elem_info *uinfo);
546 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
547 struct snd_ctl_elem_value *ucontrol);
548 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
549 struct snd_ctl_elem_value *ucontrol);
550 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
551 struct snd_ctl_elem_info *uinfo);
552 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
553 struct snd_ctl_elem_value *ucontrol);
554 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
555 struct snd_ctl_elem_value *ucontrol);
556 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
557 struct snd_ctl_elem_value *ucontrol);
558 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
559 struct snd_ctl_elem_value *ucontrol);
562 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
564 * @pin: name of the pin to update
565 * @mask: bits to check for in reported jack status
566 * @invert: if non-zero then pin is enabled when status is not reported
568 struct snd_soc_jack_pin {
569 struct list_head list;
576 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
578 * @min_mv: start voltage in mv
579 * @max_mv: end voltage in mv
580 * @jack_type: type of jack that is expected for this voltage
581 * @debounce_time: debounce_time for jack, codec driver should wait for this
582 * duration before reading the adc for voltages
583 * @:list: list container
585 struct snd_soc_jack_zone {
588 unsigned int jack_type;
589 unsigned int debounce_time;
590 struct list_head list;
594 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
598 * @report: value to report when jack detected
599 * @invert: report presence in low state
600 * @debouce_time: debouce time in ms
601 * @wake: enable as wake source
602 * @jack_status_check: callback function which overrides the detection
603 * to provide more complex checks (eg, reading an
606 struct snd_soc_jack_gpio {
614 struct snd_soc_jack *jack;
615 struct delayed_work work;
617 int (*jack_status_check)(void);
620 struct snd_soc_jack {
622 struct snd_jack *jack;
623 struct snd_soc_codec *codec;
624 struct list_head pins;
626 struct blocking_notifier_head notifier;
627 struct list_head jack_zones;
630 /* SoC PCM stream information */
631 struct snd_soc_pcm_stream {
632 const char *stream_name;
633 u64 formats; /* SNDRV_PCM_FMTBIT_* */
634 unsigned int rates; /* SNDRV_PCM_RATE_* */
635 unsigned int rate_min; /* min rate */
636 unsigned int rate_max; /* max rate */
637 unsigned int channels_min; /* min channels */
638 unsigned int channels_max; /* max channels */
639 unsigned int sig_bits; /* number of bits of content */
644 int (*startup)(struct snd_pcm_substream *);
645 void (*shutdown)(struct snd_pcm_substream *);
646 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
647 int (*hw_free)(struct snd_pcm_substream *);
648 int (*prepare)(struct snd_pcm_substream *);
649 int (*trigger)(struct snd_pcm_substream *, int);
652 struct snd_soc_compr_ops {
653 int (*startup)(struct snd_compr_stream *);
654 void (*shutdown)(struct snd_compr_stream *);
655 int (*set_params)(struct snd_compr_stream *);
656 int (*trigger)(struct snd_compr_stream *);
659 /* component interface */
660 struct snd_soc_component_driver {
664 int (*of_xlate_dai_name)(struct snd_soc_component *component,
665 struct of_phandle_args *args,
666 const char **dai_name);
669 struct snd_soc_component {
673 struct list_head list;
675 struct snd_soc_dai_driver *dai_drv;
678 const struct snd_soc_component_driver *driver;
681 /* SoC Audio Codec device */
682 struct snd_soc_codec {
684 const char *name_prefix;
687 const struct snd_soc_codec_driver *driver;
690 struct snd_soc_card *card;
691 struct list_head list;
692 struct list_head card_list;
694 int (*volatile_register)(struct snd_soc_codec *, unsigned int);
695 int (*readable_register)(struct snd_soc_codec *, unsigned int);
696 int (*writable_register)(struct snd_soc_codec *, unsigned int);
699 struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
701 unsigned int cache_bypass:1; /* Suppress access to the cache */
702 unsigned int suspended:1; /* Codec is in suspend PM state */
703 unsigned int probed:1; /* Codec has been probed */
704 unsigned int ac97_registered:1; /* Codec has been AC97 registered */
705 unsigned int ac97_created:1; /* Codec has been created by SoC */
706 unsigned int cache_init:1; /* codec cache has been initialized */
707 unsigned int using_regmap:1; /* using regmap access */
708 u32 cache_only; /* Suppress writes to hardware */
709 u32 cache_sync; /* Cache needs to be synced to hardware */
712 void *control_data; /* codec control (i2c/3wire) data */
714 unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int);
715 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
716 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
718 struct mutex cache_rw_mutex;
722 struct snd_soc_component component;
725 struct snd_soc_dapm_context dapm;
726 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
728 #ifdef CONFIG_DEBUG_FS
729 struct dentry *debugfs_codec_root;
730 struct dentry *debugfs_reg;
735 struct snd_soc_codec_driver {
738 int (*probe)(struct snd_soc_codec *);
739 int (*remove)(struct snd_soc_codec *);
740 int (*suspend)(struct snd_soc_codec *);
741 int (*resume)(struct snd_soc_codec *);
742 struct snd_soc_component_driver component_driver;
744 /* Default control and setup, added after probe() is run */
745 const struct snd_kcontrol_new *controls;
747 const struct snd_soc_dapm_widget *dapm_widgets;
748 int num_dapm_widgets;
749 const struct snd_soc_dapm_route *dapm_routes;
752 /* codec wide operations */
753 int (*set_sysclk)(struct snd_soc_codec *codec,
754 int clk_id, int source, unsigned int freq, int dir);
755 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
756 unsigned int freq_in, unsigned int freq_out);
759 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
760 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
761 int (*display_register)(struct snd_soc_codec *, char *,
762 size_t, unsigned int);
763 int (*volatile_register)(struct snd_soc_codec *, unsigned int);
764 int (*readable_register)(struct snd_soc_codec *, unsigned int);
765 int (*writable_register)(struct snd_soc_codec *, unsigned int);
766 unsigned int reg_cache_size;
767 short reg_cache_step;
769 const void *reg_cache_default;
771 /* codec bias level */
772 int (*set_bias_level)(struct snd_soc_codec *,
773 enum snd_soc_bias_level level);
776 void (*seq_notifier)(struct snd_soc_dapm_context *,
777 enum snd_soc_dapm_type, int);
779 /* codec stream completion event */
780 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event);
782 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */
784 /* probe ordering - for components with runtime dependencies */
789 /* SoC platform interface */
790 struct snd_soc_platform_driver {
792 int (*probe)(struct snd_soc_platform *);
793 int (*remove)(struct snd_soc_platform *);
794 int (*suspend)(struct snd_soc_dai *dai);
795 int (*resume)(struct snd_soc_dai *dai);
797 /* pcm creation and destruction */
798 int (*pcm_new)(struct snd_soc_pcm_runtime *);
799 void (*pcm_free)(struct snd_pcm *);
801 /* Default control and setup, added after probe() is run */
802 const struct snd_kcontrol_new *controls;
804 const struct snd_soc_dapm_widget *dapm_widgets;
805 int num_dapm_widgets;
806 const struct snd_soc_dapm_route *dapm_routes;
810 * For platform caused delay reporting.
813 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
814 struct snd_soc_dai *);
816 /* platform stream pcm ops */
817 const struct snd_pcm_ops *ops;
819 /* platform stream compress ops */
820 const struct snd_compr_ops *compr_ops;
822 /* platform stream completion event */
823 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event);
825 /* probe ordering - for components with runtime dependencies */
829 /* platform IO - used for platform DAPM */
830 unsigned int (*read)(struct snd_soc_platform *, unsigned int);
831 int (*write)(struct snd_soc_platform *, unsigned int, unsigned int);
832 int (*bespoke_trigger)(struct snd_pcm_substream *, int);
835 struct snd_soc_platform {
839 const struct snd_soc_platform_driver *driver;
842 unsigned int suspended:1; /* platform is suspended */
843 unsigned int probed:1;
845 struct snd_soc_card *card;
846 struct list_head list;
847 struct list_head card_list;
849 struct snd_soc_dapm_context dapm;
851 #ifdef CONFIG_DEBUG_FS
852 struct dentry *debugfs_platform_root;
856 struct snd_soc_dai_link {
857 /* config - must be set by machine driver */
858 const char *name; /* Codec name */
859 const char *stream_name; /* Stream name */
861 * You MAY specify the link's CPU-side device, either by device name,
862 * or by DT/OF node, but not both. If this information is omitted,
863 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
864 * must be globally unique. These fields are currently typically used
865 * only for codec to codec links, or systems using device tree.
867 const char *cpu_name;
868 const struct device_node *cpu_of_node;
870 * You MAY specify the DAI name of the CPU DAI. If this information is
871 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
872 * only, which only works well when that device exposes a single DAI.
874 const char *cpu_dai_name;
876 * You MUST specify the link's codec, either by device name, or by
877 * DT/OF node, but not both.
879 const char *codec_name;
880 const struct device_node *codec_of_node;
881 /* You MUST specify the DAI name within the codec */
882 const char *codec_dai_name;
884 * You MAY specify the link's platform/PCM/DMA driver, either by
885 * device name, or by DT/OF node, but not both. Some forms of link
886 * do not need a platform.
888 const char *platform_name;
889 const struct device_node *platform_of_node;
890 int be_id; /* optional ID for machine driver BE identification */
892 const struct snd_soc_pcm_stream *params;
894 unsigned int dai_fmt; /* format to set on init */
896 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
898 /* Keep DAI active over suspend */
899 unsigned int ignore_suspend:1;
901 /* Symmetry requirements */
902 unsigned int symmetric_rates:1;
903 unsigned int symmetric_channels:1;
904 unsigned int symmetric_samplebits:1;
906 /* Do not create a PCM for this DAI link (Backend link) */
907 unsigned int no_pcm:1;
909 /* This DAI link can route to other DAI links at runtime (Frontend)*/
910 unsigned int dynamic:1;
912 /* DPCM capture and Playback support */
913 unsigned int dpcm_capture:1;
914 unsigned int dpcm_playback:1;
916 /* pmdown_time is ignored at stop */
917 unsigned int ignore_pmdown_time:1;
919 /* codec/machine specific init - e.g. add machine controls */
920 int (*init)(struct snd_soc_pcm_runtime *rtd);
922 /* optional hw_params re-writing for BE and FE sync */
923 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
924 struct snd_pcm_hw_params *params);
926 /* machine stream operations */
927 const struct snd_soc_ops *ops;
928 const struct snd_soc_compr_ops *compr_ops;
930 /* For unidirectional dai links */
935 struct snd_soc_codec_conf {
936 const char *dev_name;
939 * optional map of kcontrol, widget and path name prefixes that are
940 * associated per device
942 const char *name_prefix;
945 struct snd_soc_aux_dev {
946 const char *name; /* Codec name */
947 const char *codec_name; /* for multi-codec */
949 /* codec/machine specific init - e.g. add machine controls */
950 int (*init)(struct snd_soc_dapm_context *dapm);
954 struct snd_soc_card {
956 const char *long_name;
957 const char *driver_name;
959 struct snd_card *snd_card;
960 struct module *owner;
962 struct list_head list;
964 struct mutex dapm_mutex;
968 int (*probe)(struct snd_soc_card *card);
969 int (*late_probe)(struct snd_soc_card *card);
970 int (*remove)(struct snd_soc_card *card);
972 /* the pre and post PM functions are used to do any PM work before and
973 * after the codec and DAI's do any PM work. */
974 int (*suspend_pre)(struct snd_soc_card *card);
975 int (*suspend_post)(struct snd_soc_card *card);
976 int (*resume_pre)(struct snd_soc_card *card);
977 int (*resume_post)(struct snd_soc_card *card);
980 int (*set_bias_level)(struct snd_soc_card *,
981 struct snd_soc_dapm_context *dapm,
982 enum snd_soc_bias_level level);
983 int (*set_bias_level_post)(struct snd_soc_card *,
984 struct snd_soc_dapm_context *dapm,
985 enum snd_soc_bias_level level);
989 /* CPU <--> Codec DAI links */
990 struct snd_soc_dai_link *dai_link;
992 struct snd_soc_pcm_runtime *rtd;
995 /* optional codec specific configuration */
996 struct snd_soc_codec_conf *codec_conf;
1000 * optional auxiliary devices such as amplifiers or codecs with DAI
1003 struct snd_soc_aux_dev *aux_dev;
1005 struct snd_soc_pcm_runtime *rtd_aux;
1008 const struct snd_kcontrol_new *controls;
1012 * Card-specific routes and widgets.
1014 const struct snd_soc_dapm_widget *dapm_widgets;
1015 int num_dapm_widgets;
1016 const struct snd_soc_dapm_route *dapm_routes;
1017 int num_dapm_routes;
1020 struct work_struct deferred_resume_work;
1022 /* lists of probed devices belonging to this card */
1023 struct list_head codec_dev_list;
1024 struct list_head platform_dev_list;
1025 struct list_head dai_dev_list;
1027 struct list_head widgets;
1028 struct list_head paths;
1029 struct list_head dapm_list;
1030 struct list_head dapm_dirty;
1032 /* Generic DAPM context for the card */
1033 struct snd_soc_dapm_context dapm;
1034 struct snd_soc_dapm_stats dapm_stats;
1035 struct snd_soc_dapm_update *update;
1037 #ifdef CONFIG_DEBUG_FS
1038 struct dentry *debugfs_card_root;
1039 struct dentry *debugfs_pop_time;
1046 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1047 struct snd_soc_pcm_runtime {
1049 struct snd_soc_card *card;
1050 struct snd_soc_dai_link *dai_link;
1051 struct mutex pcm_mutex;
1052 enum snd_soc_pcm_subclass pcm_subclass;
1053 struct snd_pcm_ops ops;
1055 unsigned int dev_registered:1;
1057 /* Dynamic PCM BE runtime data */
1058 struct snd_soc_dpcm_runtime dpcm[2];
1062 unsigned char pop_wait:1;
1064 /* runtime devices */
1065 struct snd_pcm *pcm;
1066 struct snd_compr *compr;
1067 struct snd_soc_codec *codec;
1068 struct snd_soc_platform *platform;
1069 struct snd_soc_dai *codec_dai;
1070 struct snd_soc_dai *cpu_dai;
1072 struct delayed_work delayed_work;
1073 #ifdef CONFIG_DEBUG_FS
1074 struct dentry *debugfs_dpcm_root;
1075 struct dentry *debugfs_dpcm_state;
1080 struct soc_mixer_control {
1081 int min, max, platform_max;
1083 unsigned int shift, rshift;
1084 unsigned int sign_bit;
1085 unsigned int invert:1;
1086 unsigned int autodisable:1;
1095 /* multi register control */
1096 struct soc_mreg_control {
1098 unsigned int regbase, regcount, nbits, invert;
1101 /* enumerated kcontrol */
1104 unsigned short reg2;
1105 unsigned char shift_l;
1106 unsigned char shift_r;
1109 const char * const *texts;
1110 const unsigned int *values;
1114 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1115 unsigned int snd_soc_write(struct snd_soc_codec *codec,
1116 unsigned int reg, unsigned int val);
1118 /* device driver data */
1120 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1123 card->drvdata = data;
1126 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1128 return card->drvdata;
1131 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1134 dev_set_drvdata(codec->dev, data);
1137 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1139 return dev_get_drvdata(codec->dev);
1142 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1145 dev_set_drvdata(platform->dev, data);
1148 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1150 return dev_get_drvdata(platform->dev);
1153 static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd,
1156 dev_set_drvdata(rtd->dev, data);
1159 static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd)
1161 return dev_get_drvdata(rtd->dev);
1164 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1166 INIT_LIST_HEAD(&card->dai_dev_list);
1167 INIT_LIST_HEAD(&card->codec_dev_list);
1168 INIT_LIST_HEAD(&card->platform_dev_list);
1169 INIT_LIST_HEAD(&card->widgets);
1170 INIT_LIST_HEAD(&card->paths);
1171 INIT_LIST_HEAD(&card->dapm_list);
1174 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1176 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1179 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1180 * mc->reg != mc->rreg means that the control is
1181 * stereo (bits in one register or in two registers)
1186 int snd_soc_util_init(void);
1187 void snd_soc_util_exit(void);
1189 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1190 const char *propname);
1191 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1192 const char *propname);
1193 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1194 const char *prefix);
1195 int snd_soc_of_get_dai_name(struct device_node *of_node,
1196 const char **dai_name);
1198 #include <sound/soc-dai.h>
1200 #ifdef CONFIG_DEBUG_FS
1201 extern struct dentry *snd_soc_debugfs_root;
1204 extern const struct dev_pm_ops snd_soc_pm_ops;
1206 /* Helper functions */
1207 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1209 mutex_lock(&dapm->card->dapm_mutex);
1212 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1214 mutex_unlock(&dapm->card->dapm_mutex);