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_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
40 ((unsigned long)&(struct soc_mixer_control) \
41 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
42 .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \
43 .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
44 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
45 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
46 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
47 ((unsigned long)&(struct soc_mixer_control) \
48 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
49 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
50 ((unsigned long)&(struct soc_mixer_control) \
51 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
52 .max = xmax, .platform_max = xmax, .invert = xinvert})
53 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
54 ((unsigned long)&(struct soc_mixer_control) \
55 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
56 .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
58 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
59 ((unsigned long)&(struct soc_mixer_control) \
60 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
61 .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
62 #define SOC_SINGLE(xname, reg, shift, max, invert) \
63 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
64 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
65 .put = snd_soc_put_volsw, \
66 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
67 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
68 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
69 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
70 .put = snd_soc_put_volsw_range, \
71 .private_value = (unsigned long)&(struct soc_mixer_control) \
72 {.reg = xreg, .rreg = xreg, .shift = xshift, \
73 .rshift = xshift, .min = xmin, .max = xmax, \
74 .platform_max = xmax, .invert = xinvert} }
75 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
76 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
77 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
78 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
79 .tlv.p = (tlv_array), \
80 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
81 .put = snd_soc_put_volsw, \
82 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
83 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
84 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
85 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
86 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
87 .tlv.p = (tlv_array),\
88 .info = snd_soc_info_volsw, \
89 .get = snd_soc_get_volsw_sx,\
90 .put = snd_soc_put_volsw_sx, \
91 .private_value = (unsigned long)&(struct soc_mixer_control) \
92 {.reg = xreg, .rreg = xreg, \
93 .shift = xshift, .rshift = xshift, \
94 .max = xmax, .min = xmin} }
95 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
96 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
97 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
98 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
99 .tlv.p = (tlv_array), \
100 .info = snd_soc_info_volsw_range, \
101 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
102 .private_value = (unsigned long)&(struct soc_mixer_control) \
103 {.reg = xreg, .rreg = xreg, .shift = xshift, \
104 .rshift = xshift, .min = xmin, .max = xmax, \
105 .platform_max = xmax, .invert = xinvert} }
106 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
107 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
108 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
109 .put = snd_soc_put_volsw, \
110 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
112 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
113 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
114 .info = snd_soc_info_volsw, \
115 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
116 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
118 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
120 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
121 .info = snd_soc_info_volsw_range, \
122 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
123 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
124 xshift, xmin, xmax, xinvert) }
125 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
126 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
127 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
128 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
129 .tlv.p = (tlv_array), \
130 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
131 .put = snd_soc_put_volsw, \
132 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
134 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
135 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
136 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
137 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
138 .tlv.p = (tlv_array), \
139 .info = snd_soc_info_volsw, \
140 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
141 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
143 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
144 xmax, xinvert, tlv_array) \
145 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
146 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
147 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
148 .tlv.p = (tlv_array), \
149 .info = snd_soc_info_volsw_range, \
150 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
151 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
152 xshift, xmin, xmax, xinvert) }
153 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
154 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
155 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
156 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
157 .tlv.p = (tlv_array), \
158 .info = snd_soc_info_volsw, \
159 .get = snd_soc_get_volsw_sx, \
160 .put = snd_soc_put_volsw_sx, \
161 .private_value = (unsigned long)&(struct soc_mixer_control) \
162 {.reg = xreg, .rreg = xrreg, \
163 .shift = xshift, .rshift = xshift, \
164 .max = xmax, .min = xmin} }
165 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
166 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
167 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
168 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
169 .tlv.p = (tlv_array), \
170 .info = snd_soc_info_volsw, \
171 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
172 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
173 xmin, xmax, xsign_bit, xinvert) }
174 #define SOC_DOUBLE_S8_TLV(xname, xreg, 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, .get = snd_soc_get_volsw,\
180 .put = snd_soc_put_volsw, \
181 .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
182 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
183 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
184 .items = xitems, .texts = xtexts, \
185 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
186 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
187 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
188 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
189 { .items = xitems, .texts = xtexts }
190 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
191 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
192 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
193 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
194 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
195 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
196 { .reg = xreg, .shift_l = xshift, .shift_r = xshift, \
197 .mask = xmask, .items = xitems, .texts = xtexts, \
198 .values = xvalues, .autodisable = 1}
199 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
200 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
201 #define SOC_ENUM(xname, xenum) \
202 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
203 .info = snd_soc_info_enum_double, \
204 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
205 .private_value = (unsigned long)&xenum }
206 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
207 xhandler_get, xhandler_put) \
208 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
209 .info = snd_soc_info_volsw, \
210 .get = xhandler_get, .put = xhandler_put, \
211 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
212 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
213 xhandler_get, xhandler_put) \
214 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
215 .info = snd_soc_info_volsw, \
216 .get = xhandler_get, .put = xhandler_put, \
218 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
219 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
220 xhandler_get, xhandler_put, tlv_array) \
221 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
222 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
223 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
224 .tlv.p = (tlv_array), \
225 .info = snd_soc_info_volsw, \
226 .get = xhandler_get, .put = xhandler_put, \
227 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
228 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
229 xhandler_get, xhandler_put, tlv_array) \
230 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
231 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
232 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
233 .tlv.p = (tlv_array), \
234 .info = snd_soc_info_volsw, \
235 .get = xhandler_get, .put = xhandler_put, \
236 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
238 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
239 xhandler_get, xhandler_put, tlv_array) \
240 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
241 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
242 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
243 .tlv.p = (tlv_array), \
244 .info = snd_soc_info_volsw, \
245 .get = xhandler_get, .put = xhandler_put, \
246 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
248 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
249 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
250 .info = snd_soc_info_bool_ext, \
251 .get = xhandler_get, .put = xhandler_put, \
252 .private_value = xdata }
253 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
254 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
255 .info = snd_soc_info_enum_double, \
256 .get = xhandler_get, .put = xhandler_put, \
257 .private_value = (unsigned long)&xenum }
258 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
259 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
261 #define SND_SOC_BYTES(xname, xbase, xregs) \
262 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
263 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
264 .put = snd_soc_bytes_put, .private_value = \
265 ((unsigned long)&(struct soc_bytes) \
266 {.base = xbase, .num_regs = xregs }) }
268 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \
269 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
270 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
271 .put = snd_soc_bytes_put, .private_value = \
272 ((unsigned long)&(struct soc_bytes) \
273 {.base = xbase, .num_regs = xregs, \
276 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
277 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
278 .info = snd_soc_bytes_info_ext, \
279 .get = xhandler_get, .put = xhandler_put, \
280 .private_value = (unsigned long)&(struct soc_bytes_ext) \
282 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
283 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
284 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
285 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
286 .tlv.c = (snd_soc_bytes_tlv_callback), \
287 .info = snd_soc_bytes_info_ext, \
288 .private_value = (unsigned long)&(struct soc_bytes_ext) \
289 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
290 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
291 xmin, xmax, xinvert) \
292 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
293 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
294 .put = snd_soc_put_xr_sx, \
295 .private_value = (unsigned long)&(struct soc_mreg_control) \
296 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
297 .invert = xinvert, .min = xmin, .max = xmax} }
299 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
300 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
301 snd_soc_get_strobe, snd_soc_put_strobe)
304 * Simplified versions of above macros, declaring a struct and calculating
305 * ARRAY_SIZE internally
307 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
308 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
309 ARRAY_SIZE(xtexts), xtexts)
310 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
311 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
312 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
313 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
314 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
315 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
316 ARRAY_SIZE(xtexts), xtexts, xvalues)
317 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
318 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
320 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
321 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
322 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
324 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
325 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
328 * Component probe and remove ordering levels for components with runtime
331 #define SND_SOC_COMP_ORDER_FIRST -2
332 #define SND_SOC_COMP_ORDER_EARLY -1
333 #define SND_SOC_COMP_ORDER_NORMAL 0
334 #define SND_SOC_COMP_ORDER_LATE 1
335 #define SND_SOC_COMP_ORDER_LAST 2
340 * @ON: Bias is fully on for audio playback and capture operations.
341 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
342 * stream start and stop operations.
343 * @STANDBY: Low power standby state when no playback/capture operations are
344 * in progress. NOTE: The transition time between STANDBY and ON
345 * should be as fast as possible and no longer than 10ms.
346 * @OFF: Power Off. No restrictions on transition times.
348 enum snd_soc_bias_level {
349 SND_SOC_BIAS_OFF = 0,
350 SND_SOC_BIAS_STANDBY = 1,
351 SND_SOC_BIAS_PREPARE = 2,
358 struct snd_soc_pcm_stream;
360 struct snd_soc_pcm_runtime;
362 struct snd_soc_dai_driver;
363 struct snd_soc_platform;
364 struct snd_soc_dai_link;
365 struct snd_soc_platform_driver;
366 struct snd_soc_codec;
367 struct snd_soc_codec_driver;
368 struct snd_soc_component;
369 struct snd_soc_component_driver;
372 struct snd_soc_jack_zone;
373 struct snd_soc_jack_pin;
374 #include <sound/soc-dapm.h>
375 #include <sound/soc-dpcm.h>
377 struct snd_soc_jack_gpio;
379 typedef int (*hw_write_t)(void *,const char* ,int);
381 enum snd_soc_pcm_subclass {
382 SND_SOC_PCM_CLASS_PCM = 0,
383 SND_SOC_PCM_CLASS_BE = 1,
386 enum snd_soc_card_subclass {
387 SND_SOC_CARD_CLASS_INIT = 0,
388 SND_SOC_CARD_CLASS_RUNTIME = 1,
391 int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
392 int source, unsigned int freq, int dir);
393 int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
394 unsigned int freq_in, unsigned int freq_out);
396 int snd_soc_register_card(struct snd_soc_card *card);
397 int snd_soc_unregister_card(struct snd_soc_card *card);
398 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
399 #ifdef CONFIG_PM_SLEEP
400 int snd_soc_suspend(struct device *dev);
401 int snd_soc_resume(struct device *dev);
403 static inline int snd_soc_suspend(struct device *dev)
408 static inline int snd_soc_resume(struct device *dev)
413 int snd_soc_poweroff(struct device *dev);
414 int snd_soc_register_platform(struct device *dev,
415 const struct snd_soc_platform_driver *platform_drv);
416 int devm_snd_soc_register_platform(struct device *dev,
417 const struct snd_soc_platform_driver *platform_drv);
418 void snd_soc_unregister_platform(struct device *dev);
419 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
420 const struct snd_soc_platform_driver *platform_drv);
421 void snd_soc_remove_platform(struct snd_soc_platform *platform);
422 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
423 int snd_soc_register_codec(struct device *dev,
424 const struct snd_soc_codec_driver *codec_drv,
425 struct snd_soc_dai_driver *dai_drv, int num_dai);
426 void snd_soc_unregister_codec(struct device *dev);
427 int snd_soc_register_component(struct device *dev,
428 const struct snd_soc_component_driver *cmpnt_drv,
429 struct snd_soc_dai_driver *dai_drv, int num_dai);
430 int devm_snd_soc_register_component(struct device *dev,
431 const struct snd_soc_component_driver *cmpnt_drv,
432 struct snd_soc_dai_driver *dai_drv, int num_dai);
433 void snd_soc_unregister_component(struct device *dev);
434 int snd_soc_cache_init(struct snd_soc_codec *codec);
435 int snd_soc_cache_exit(struct snd_soc_codec *codec);
437 int snd_soc_platform_read(struct snd_soc_platform *platform,
439 int snd_soc_platform_write(struct snd_soc_platform *platform,
440 unsigned int reg, unsigned int val);
441 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
442 int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
444 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
445 const char *dai_link, int stream);
446 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
447 const char *dai_link);
449 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
450 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
451 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
453 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
454 unsigned int dai_fmt);
456 /* Utility functions to get clock rates from various things */
457 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
458 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
459 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
460 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
462 /* set runtime hw params */
463 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
464 const struct snd_pcm_hardware *hw);
466 int snd_soc_platform_trigger(struct snd_pcm_substream *substream,
467 int cmd, struct snd_soc_platform *platform);
469 int soc_dai_hw_params(struct snd_pcm_substream *substream,
470 struct snd_pcm_hw_params *params,
471 struct snd_soc_dai *dai);
474 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
475 struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
476 unsigned int num_pins);
478 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
479 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
480 struct snd_soc_jack_pin *pins);
481 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
482 struct notifier_block *nb);
483 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
484 struct notifier_block *nb);
485 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
486 struct snd_soc_jack_zone *zones);
487 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
488 #ifdef CONFIG_GPIOLIB
489 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
490 struct snd_soc_jack_gpio *gpios);
491 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
492 struct snd_soc_jack *jack,
493 int count, struct snd_soc_jack_gpio *gpios);
494 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
495 struct snd_soc_jack_gpio *gpios);
497 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
498 struct snd_soc_jack_gpio *gpios)
503 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
504 struct snd_soc_jack *jack,
506 struct snd_soc_jack_gpio *gpios)
511 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
512 struct snd_soc_jack_gpio *gpios)
517 /* codec register bit access */
518 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
519 unsigned int mask, unsigned int value);
520 int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
521 unsigned int reg, unsigned int mask,
523 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
524 unsigned int mask, unsigned int value);
526 #ifdef CONFIG_SND_SOC_AC97_BUS
527 struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec);
528 struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec);
529 void snd_soc_free_ac97_codec(struct snd_ac97 *ac97);
531 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
532 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
533 struct platform_device *pdev);
535 extern struct snd_ac97_bus_ops *soc_ac97_ops;
537 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
538 struct platform_device *pdev)
543 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
552 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
553 void *data, const char *long_name,
555 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
557 int snd_soc_add_component_controls(struct snd_soc_component *component,
558 const struct snd_kcontrol_new *controls, unsigned int num_controls);
559 int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
560 const struct snd_kcontrol_new *controls, unsigned int num_controls);
561 int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
562 const struct snd_kcontrol_new *controls, unsigned int num_controls);
563 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
564 const struct snd_kcontrol_new *controls, int num_controls);
565 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
566 const struct snd_kcontrol_new *controls, int num_controls);
567 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
568 struct snd_ctl_elem_info *uinfo);
569 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
570 struct snd_ctl_elem_value *ucontrol);
571 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
572 struct snd_ctl_elem_value *ucontrol);
573 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
574 struct snd_ctl_elem_info *uinfo);
575 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
576 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
577 struct snd_ctl_elem_value *ucontrol);
578 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
579 struct snd_ctl_elem_value *ucontrol);
580 #define snd_soc_get_volsw_2r snd_soc_get_volsw
581 #define snd_soc_put_volsw_2r snd_soc_put_volsw
582 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
583 struct snd_ctl_elem_value *ucontrol);
584 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
585 struct snd_ctl_elem_value *ucontrol);
586 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
587 struct snd_ctl_elem_info *uinfo);
588 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
589 struct snd_ctl_elem_value *ucontrol);
590 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
591 struct snd_ctl_elem_value *ucontrol);
592 int snd_soc_limit_volume(struct snd_soc_codec *codec,
593 const char *name, int max);
594 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
595 struct snd_ctl_elem_info *uinfo);
596 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
597 struct snd_ctl_elem_value *ucontrol);
598 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
599 struct snd_ctl_elem_value *ucontrol);
600 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
601 struct snd_ctl_elem_info *ucontrol);
602 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
603 unsigned int size, unsigned int __user *tlv);
604 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
605 struct snd_ctl_elem_info *uinfo);
606 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
607 struct snd_ctl_elem_value *ucontrol);
608 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
609 struct snd_ctl_elem_value *ucontrol);
610 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
611 struct snd_ctl_elem_value *ucontrol);
612 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
613 struct snd_ctl_elem_value *ucontrol);
616 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
618 * @pin: name of the pin to update
619 * @mask: bits to check for in reported jack status
620 * @invert: if non-zero then pin is enabled when status is not reported
622 struct snd_soc_jack_pin {
623 struct list_head list;
630 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
632 * @min_mv: start voltage in mv
633 * @max_mv: end voltage in mv
634 * @jack_type: type of jack that is expected for this voltage
635 * @debounce_time: debounce_time for jack, codec driver should wait for this
636 * duration before reading the adc for voltages
637 * @:list: list container
639 struct snd_soc_jack_zone {
642 unsigned int jack_type;
643 unsigned int debounce_time;
644 struct list_head list;
648 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
650 * @gpio: legacy gpio number
651 * @idx: gpio descriptor index within the function of the GPIO
653 * @gpiod_dev GPIO consumer device
654 * @name: gpio name. Also as connection ID for the GPIO consumer
655 * device function name lookup
656 * @report: value to report when jack detected
657 * @invert: report presence in low state
658 * @debouce_time: debouce time in ms
659 * @wake: enable as wake source
660 * @jack_status_check: callback function which overrides the detection
661 * to provide more complex checks (eg, reading an
664 struct snd_soc_jack_gpio {
667 struct device *gpiod_dev;
674 struct snd_soc_jack *jack;
675 struct delayed_work work;
676 struct gpio_desc *desc;
679 int (*jack_status_check)(void *data);
682 struct snd_soc_jack {
684 struct snd_jack *jack;
685 struct snd_soc_card *card;
686 struct list_head pins;
688 struct blocking_notifier_head notifier;
689 struct list_head jack_zones;
692 /* SoC PCM stream information */
693 struct snd_soc_pcm_stream {
694 const char *stream_name;
695 u64 formats; /* SNDRV_PCM_FMTBIT_* */
696 unsigned int rates; /* SNDRV_PCM_RATE_* */
697 unsigned int rate_min; /* min rate */
698 unsigned int rate_max; /* max rate */
699 unsigned int channels_min; /* min channels */
700 unsigned int channels_max; /* max channels */
701 unsigned int sig_bits; /* number of bits of content */
706 int (*startup)(struct snd_pcm_substream *);
707 void (*shutdown)(struct snd_pcm_substream *);
708 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
709 int (*hw_free)(struct snd_pcm_substream *);
710 int (*prepare)(struct snd_pcm_substream *);
711 int (*trigger)(struct snd_pcm_substream *, int);
714 struct snd_soc_compr_ops {
715 int (*startup)(struct snd_compr_stream *);
716 void (*shutdown)(struct snd_compr_stream *);
717 int (*set_params)(struct snd_compr_stream *);
718 int (*trigger)(struct snd_compr_stream *);
721 /* component interface */
722 struct snd_soc_component_driver {
725 /* Default control and setup, added after probe() is run */
726 const struct snd_kcontrol_new *controls;
727 unsigned int num_controls;
728 const struct snd_soc_dapm_widget *dapm_widgets;
729 unsigned int num_dapm_widgets;
730 const struct snd_soc_dapm_route *dapm_routes;
731 unsigned int num_dapm_routes;
733 int (*probe)(struct snd_soc_component *);
734 void (*remove)(struct snd_soc_component *);
737 int (*of_xlate_dai_name)(struct snd_soc_component *component,
738 struct of_phandle_args *args,
739 const char **dai_name);
740 void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
742 int (*stream_event)(struct snd_soc_component *, int event);
744 /* probe ordering - for components with runtime dependencies */
749 struct snd_soc_component {
752 const char *name_prefix;
754 struct snd_soc_card *card;
758 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
759 unsigned int registered_as_component:1;
760 unsigned int probed:1;
762 struct list_head list;
764 struct snd_soc_dai_driver *dai_drv;
767 const struct snd_soc_component_driver *driver;
769 struct list_head dai_list;
771 int (*read)(struct snd_soc_component *, unsigned int, unsigned int *);
772 int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
774 struct regmap *regmap;
777 struct mutex io_mutex;
779 #ifdef CONFIG_DEBUG_FS
780 struct dentry *debugfs_root;
784 * DO NOT use any of the fields below in drivers, they are temporary and
785 * are going to be removed again soon. If you use them in driver code the
786 * driver will be marked as BROKEN when these fields are removed.
789 /* Don't use these, use snd_soc_component_get_dapm() */
790 struct snd_soc_dapm_context dapm;
791 struct snd_soc_dapm_context *dapm_ptr;
793 const struct snd_kcontrol_new *controls;
794 unsigned int num_controls;
795 const struct snd_soc_dapm_widget *dapm_widgets;
796 unsigned int num_dapm_widgets;
797 const struct snd_soc_dapm_route *dapm_routes;
798 unsigned int num_dapm_routes;
799 struct snd_soc_codec *codec;
801 int (*probe)(struct snd_soc_component *);
802 void (*remove)(struct snd_soc_component *);
804 #ifdef CONFIG_DEBUG_FS
805 void (*init_debugfs)(struct snd_soc_component *component);
806 const char *debugfs_prefix;
810 /* SoC Audio Codec device */
811 struct snd_soc_codec {
813 const struct snd_soc_codec_driver *driver;
815 struct list_head list;
816 struct list_head card_list;
819 unsigned int cache_bypass:1; /* Suppress access to the cache */
820 unsigned int suspended:1; /* Codec is in suspend PM state */
821 unsigned int cache_init:1; /* codec cache has been initialized */
824 void *control_data; /* codec control (i2c/3wire) data */
829 struct snd_soc_component component;
831 /* Don't access this directly, use snd_soc_codec_get_dapm() */
832 struct snd_soc_dapm_context dapm;
834 #ifdef CONFIG_DEBUG_FS
835 struct dentry *debugfs_reg;
840 struct snd_soc_codec_driver {
843 int (*probe)(struct snd_soc_codec *);
844 int (*remove)(struct snd_soc_codec *);
845 int (*suspend)(struct snd_soc_codec *);
846 int (*resume)(struct snd_soc_codec *);
847 struct snd_soc_component_driver component_driver;
849 /* Default control and setup, added after probe() is run */
850 const struct snd_kcontrol_new *controls;
852 const struct snd_soc_dapm_widget *dapm_widgets;
853 int num_dapm_widgets;
854 const struct snd_soc_dapm_route *dapm_routes;
857 /* codec wide operations */
858 int (*set_sysclk)(struct snd_soc_codec *codec,
859 int clk_id, int source, unsigned int freq, int dir);
860 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
861 unsigned int freq_in, unsigned int freq_out);
864 struct regmap *(*get_regmap)(struct device *);
865 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
866 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
867 unsigned int reg_cache_size;
868 short reg_cache_step;
870 const void *reg_cache_default;
872 /* codec bias level */
873 int (*set_bias_level)(struct snd_soc_codec *,
874 enum snd_soc_bias_level level);
876 bool suspend_bias_off;
878 void (*seq_notifier)(struct snd_soc_dapm_context *,
879 enum snd_soc_dapm_type, int);
881 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */
884 /* SoC platform interface */
885 struct snd_soc_platform_driver {
887 int (*probe)(struct snd_soc_platform *);
888 int (*remove)(struct snd_soc_platform *);
889 struct snd_soc_component_driver component_driver;
891 /* pcm creation and destruction */
892 int (*pcm_new)(struct snd_soc_pcm_runtime *);
893 void (*pcm_free)(struct snd_pcm *);
896 * For platform caused delay reporting.
899 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
900 struct snd_soc_dai *);
902 /* platform stream pcm ops */
903 const struct snd_pcm_ops *ops;
905 /* platform stream compress ops */
906 const struct snd_compr_ops *compr_ops;
908 int (*bespoke_trigger)(struct snd_pcm_substream *, int);
911 struct snd_soc_dai_link_component {
913 struct device_node *of_node;
914 const char *dai_name;
917 struct snd_soc_platform {
919 const struct snd_soc_platform_driver *driver;
921 struct list_head list;
923 struct snd_soc_component component;
926 struct snd_soc_dai_link {
927 /* config - must be set by machine driver */
928 const char *name; /* Codec name */
929 const char *stream_name; /* Stream name */
931 * You MAY specify the link's CPU-side device, either by device name,
932 * or by DT/OF node, but not both. If this information is omitted,
933 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
934 * must be globally unique. These fields are currently typically used
935 * only for codec to codec links, or systems using device tree.
937 const char *cpu_name;
938 struct device_node *cpu_of_node;
940 * You MAY specify the DAI name of the CPU DAI. If this information is
941 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
942 * only, which only works well when that device exposes a single DAI.
944 const char *cpu_dai_name;
946 * You MUST specify the link's codec, either by device name, or by
947 * DT/OF node, but not both.
949 const char *codec_name;
950 struct device_node *codec_of_node;
951 /* You MUST specify the DAI name within the codec */
952 const char *codec_dai_name;
954 struct snd_soc_dai_link_component *codecs;
955 unsigned int num_codecs;
958 * You MAY specify the link's platform/PCM/DMA driver, either by
959 * device name, or by DT/OF node, but not both. Some forms of link
960 * do not need a platform.
962 const char *platform_name;
963 struct device_node *platform_of_node;
964 int be_id; /* optional ID for machine driver BE identification */
966 const struct snd_soc_pcm_stream *params;
967 unsigned int num_params;
969 unsigned int dai_fmt; /* format to set on init */
971 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
973 /* codec/machine specific init - e.g. add machine controls */
974 int (*init)(struct snd_soc_pcm_runtime *rtd);
976 /* optional hw_params re-writing for BE and FE sync */
977 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
978 struct snd_pcm_hw_params *params);
980 /* machine stream operations */
981 const struct snd_soc_ops *ops;
982 const struct snd_soc_compr_ops *compr_ops;
984 /* For unidirectional dai links */
988 /* Mark this pcm with non atomic ops */
991 /* Keep DAI active over suspend */
992 unsigned int ignore_suspend:1;
994 /* Symmetry requirements */
995 unsigned int symmetric_rates:1;
996 unsigned int symmetric_channels:1;
997 unsigned int symmetric_samplebits:1;
999 /* Do not create a PCM for this DAI link (Backend link) */
1000 unsigned int no_pcm:1;
1002 /* This DAI link can route to other DAI links at runtime (Frontend)*/
1003 unsigned int dynamic:1;
1005 /* DPCM capture and Playback support */
1006 unsigned int dpcm_capture:1;
1007 unsigned int dpcm_playback:1;
1009 /* DPCM used FE & BE merged format */
1010 unsigned int dpcm_merged_format:1;
1012 /* pmdown_time is ignored at stop */
1013 unsigned int ignore_pmdown_time:1;
1016 struct snd_soc_codec_conf {
1018 * specify device either by device name, or by
1019 * DT/OF node, but not both.
1021 const char *dev_name;
1022 struct device_node *of_node;
1025 * optional map of kcontrol, widget and path name prefixes that are
1026 * associated per device
1028 const char *name_prefix;
1031 struct snd_soc_aux_dev {
1032 const char *name; /* Codec name */
1035 * specify multi-codec either by device name, or by
1036 * DT/OF node, but not both.
1038 const char *codec_name;
1039 struct device_node *codec_of_node;
1041 /* codec/machine specific init - e.g. add machine controls */
1042 int (*init)(struct snd_soc_component *component);
1046 struct snd_soc_card {
1048 const char *long_name;
1049 const char *driver_name;
1051 struct snd_card *snd_card;
1052 struct module *owner;
1055 struct mutex dapm_mutex;
1059 int (*probe)(struct snd_soc_card *card);
1060 int (*late_probe)(struct snd_soc_card *card);
1061 int (*remove)(struct snd_soc_card *card);
1063 /* the pre and post PM functions are used to do any PM work before and
1064 * after the codec and DAI's do any PM work. */
1065 int (*suspend_pre)(struct snd_soc_card *card);
1066 int (*suspend_post)(struct snd_soc_card *card);
1067 int (*resume_pre)(struct snd_soc_card *card);
1068 int (*resume_post)(struct snd_soc_card *card);
1071 int (*set_bias_level)(struct snd_soc_card *,
1072 struct snd_soc_dapm_context *dapm,
1073 enum snd_soc_bias_level level);
1074 int (*set_bias_level_post)(struct snd_soc_card *,
1075 struct snd_soc_dapm_context *dapm,
1076 enum snd_soc_bias_level level);
1080 /* CPU <--> Codec DAI links */
1081 struct snd_soc_dai_link *dai_link;
1083 struct snd_soc_pcm_runtime *rtd;
1086 /* optional codec specific configuration */
1087 struct snd_soc_codec_conf *codec_conf;
1091 * optional auxiliary devices such as amplifiers or codecs with DAI
1094 struct snd_soc_aux_dev *aux_dev;
1096 struct snd_soc_pcm_runtime *rtd_aux;
1099 const struct snd_kcontrol_new *controls;
1103 * Card-specific routes and widgets.
1104 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1106 const struct snd_soc_dapm_widget *dapm_widgets;
1107 int num_dapm_widgets;
1108 const struct snd_soc_dapm_route *dapm_routes;
1109 int num_dapm_routes;
1110 const struct snd_soc_dapm_widget *of_dapm_widgets;
1111 int num_of_dapm_widgets;
1112 const struct snd_soc_dapm_route *of_dapm_routes;
1113 int num_of_dapm_routes;
1116 struct work_struct deferred_resume_work;
1118 /* lists of probed devices belonging to this card */
1119 struct list_head codec_dev_list;
1121 struct list_head widgets;
1122 struct list_head paths;
1123 struct list_head dapm_list;
1124 struct list_head dapm_dirty;
1126 /* Generic DAPM context for the card */
1127 struct snd_soc_dapm_context dapm;
1128 struct snd_soc_dapm_stats dapm_stats;
1129 struct snd_soc_dapm_update *update;
1131 #ifdef CONFIG_DEBUG_FS
1132 struct dentry *debugfs_card_root;
1133 struct dentry *debugfs_pop_time;
1140 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1141 struct snd_soc_pcm_runtime {
1143 struct snd_soc_card *card;
1144 struct snd_soc_dai_link *dai_link;
1145 struct mutex pcm_mutex;
1146 enum snd_soc_pcm_subclass pcm_subclass;
1147 struct snd_pcm_ops ops;
1149 unsigned int dev_registered:1;
1151 /* Dynamic PCM BE runtime data */
1152 struct snd_soc_dpcm_runtime dpcm[2];
1156 unsigned char pop_wait:1;
1158 /* runtime devices */
1159 struct snd_pcm *pcm;
1160 struct snd_compr *compr;
1161 struct snd_soc_codec *codec;
1162 struct snd_soc_platform *platform;
1163 struct snd_soc_dai *codec_dai;
1164 struct snd_soc_dai *cpu_dai;
1165 struct snd_soc_component *component; /* Only valid for AUX dev rtds */
1167 struct snd_soc_dai **codec_dais;
1168 unsigned int num_codecs;
1170 struct delayed_work delayed_work;
1171 #ifdef CONFIG_DEBUG_FS
1172 struct dentry *debugfs_dpcm_root;
1173 struct dentry *debugfs_dpcm_state;
1178 struct soc_mixer_control {
1179 int min, max, platform_max;
1181 unsigned int shift, rshift;
1182 unsigned int sign_bit;
1183 unsigned int invert:1;
1184 unsigned int autodisable:1;
1193 struct soc_bytes_ext {
1195 /* used for TLV byte control */
1196 int (*get)(unsigned int __user *bytes, unsigned int size);
1197 int (*put)(const unsigned int __user *bytes, unsigned int size);
1200 /* multi register control */
1201 struct soc_mreg_control {
1203 unsigned int regbase, regcount, nbits, invert;
1206 /* enumerated kcontrol */
1209 unsigned char shift_l;
1210 unsigned char shift_r;
1213 const char * const *texts;
1214 const unsigned int *values;
1215 unsigned int autodisable:1;
1219 * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in
1220 * @component: The component to cast to a CODEC
1222 * This function must only be used on components that are known to be CODECs.
1223 * Otherwise the behavior is undefined.
1225 static inline struct snd_soc_codec *snd_soc_component_to_codec(
1226 struct snd_soc_component *component)
1228 return container_of(component, struct snd_soc_codec, component);
1232 * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
1233 * @component: The component to cast to a platform
1235 * This function must only be used on components that are known to be platforms.
1236 * Otherwise the behavior is undefined.
1238 static inline struct snd_soc_platform *snd_soc_component_to_platform(
1239 struct snd_soc_component *component)
1241 return container_of(component, struct snd_soc_platform, component);
1245 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1247 * @dapm: The DAPM context to cast to the component
1249 * This function must only be used on DAPM contexts that are known to be part of
1250 * a component (e.g. in a component driver). Otherwise the behavior is
1253 static inline struct snd_soc_component *snd_soc_dapm_to_component(
1254 struct snd_soc_dapm_context *dapm)
1256 return container_of(dapm, struct snd_soc_component, dapm);
1260 * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
1261 * @dapm: The DAPM context to cast to the CODEC
1263 * This function must only be used on DAPM contexts that are known to be part of
1264 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1266 static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
1267 struct snd_soc_dapm_context *dapm)
1269 return container_of(dapm, struct snd_soc_codec, dapm);
1273 * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
1275 * @dapm: The DAPM context to cast to the platform.
1277 * This function must only be used on DAPM contexts that are known to be part of
1278 * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
1280 static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
1281 struct snd_soc_dapm_context *dapm)
1283 return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
1287 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1289 * @component: The component for which to get the DAPM context
1291 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1292 struct snd_soc_component *component)
1294 return component->dapm_ptr;
1298 * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC
1299 * @codec: The CODEC for which to get the DAPM context
1301 * Note: Use this function instead of directly accessing the CODEC's dapm field
1303 static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm(
1304 struct snd_soc_codec *codec)
1306 return &codec->dapm;
1310 * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level
1311 * @dapm: The CODEC for which to initialize the DAPM bias level
1312 * @level: The DAPM level to initialize to
1314 * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level().
1316 static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec,
1317 enum snd_soc_bias_level level)
1319 snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level);
1323 * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level
1324 * @codec: The CODEC for which to get the DAPM bias level
1326 * Returns: The current DAPM bias level of the CODEC.
1328 static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level(
1329 struct snd_soc_codec *codec)
1331 return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec));
1335 * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level
1336 * @codec: The CODEC for which to set the level
1337 * @level: The level to set to
1339 * Forces the CODEC bias level to a specific state. See
1340 * snd_soc_dapm_force_bias_level().
1342 static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec,
1343 enum snd_soc_bias_level level)
1345 return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec),
1350 * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
1351 * @kcontrol: The kcontrol
1353 * This function must only be used on DAPM contexts that are known to be part of
1354 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1356 static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(
1357 struct snd_kcontrol *kcontrol)
1359 return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol));
1363 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1364 int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
1368 * snd_soc_cache_sync() - Sync the register cache with the hardware
1369 * @codec: CODEC to sync
1371 * Note: This function will call regcache_sync()
1373 static inline int snd_soc_cache_sync(struct snd_soc_codec *codec)
1375 return regcache_sync(codec->component.regmap);
1379 int snd_soc_component_read(struct snd_soc_component *component,
1380 unsigned int reg, unsigned int *val);
1381 int snd_soc_component_write(struct snd_soc_component *component,
1382 unsigned int reg, unsigned int val);
1383 int snd_soc_component_update_bits(struct snd_soc_component *component,
1384 unsigned int reg, unsigned int mask, unsigned int val);
1385 int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1386 unsigned int reg, unsigned int mask, unsigned int val);
1387 void snd_soc_component_async_complete(struct snd_soc_component *component);
1388 int snd_soc_component_test_bits(struct snd_soc_component *component,
1389 unsigned int reg, unsigned int mask, unsigned int value);
1391 #ifdef CONFIG_REGMAP
1393 void snd_soc_component_init_regmap(struct snd_soc_component *component,
1394 struct regmap *regmap);
1395 void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1398 * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC
1399 * @codec: The CODEC for which to initialize the regmap instance
1400 * @regmap: The regmap instance that should be used by the CODEC
1402 * This function allows deferred assignment of the regmap instance that is
1403 * associated with the CODEC. Only use this if the regmap instance is not yet
1404 * ready when the CODEC is registered. The function must also be called before
1405 * the first IO attempt of the CODEC.
1407 static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec,
1408 struct regmap *regmap)
1410 snd_soc_component_init_regmap(&codec->component, regmap);
1414 * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC
1415 * @codec: The CODEC for which to de-initialize the regmap instance
1417 * Calls regmap_exit() on the regmap instance associated to the CODEC and
1418 * removes the regmap instance from the CODEC.
1420 * This function should only be used if snd_soc_codec_init_regmap() was used to
1421 * initialize the regmap instance.
1423 static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec)
1425 snd_soc_component_exit_regmap(&codec->component);
1430 /* device driver data */
1432 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1435 card->drvdata = data;
1438 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1440 return card->drvdata;
1443 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1446 dev_set_drvdata(c->dev, data);
1449 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1451 return dev_get_drvdata(c->dev);
1454 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1457 snd_soc_component_set_drvdata(&codec->component, data);
1460 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1462 return snd_soc_component_get_drvdata(&codec->component);
1465 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1468 snd_soc_component_set_drvdata(&platform->component, data);
1471 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1473 return snd_soc_component_get_drvdata(&platform->component);
1476 static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd,
1479 dev_set_drvdata(rtd->dev, data);
1482 static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd)
1484 return dev_get_drvdata(rtd->dev);
1487 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1489 INIT_LIST_HEAD(&card->codec_dev_list);
1490 INIT_LIST_HEAD(&card->widgets);
1491 INIT_LIST_HEAD(&card->paths);
1492 INIT_LIST_HEAD(&card->dapm_list);
1495 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1497 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1500 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1501 * mc->reg != mc->rreg means that the control is
1502 * stereo (bits in one register or in two registers)
1507 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1515 for (i = 0; i < e->items; i++)
1516 if (val == e->values[i])
1522 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1528 return e->values[item];
1531 static inline bool snd_soc_component_is_active(
1532 struct snd_soc_component *component)
1534 return component->active != 0;
1537 static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
1539 return snd_soc_component_is_active(&codec->component);
1543 * snd_soc_kcontrol_component() - Returns the component that registered the
1545 * @kcontrol: The control for which to get the component
1547 * Note: This function will work correctly if the control has been registered
1548 * for a component. Either with snd_soc_add_codec_controls() or
1549 * snd_soc_add_platform_controls() or via table based setup for either a
1550 * CODEC, a platform or component driver. Otherwise the behavior is undefined.
1552 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1553 struct snd_kcontrol *kcontrol)
1555 return snd_kcontrol_chip(kcontrol);
1559 * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control
1560 * @kcontrol: The control for which to get the CODEC
1562 * Note: This function will only work correctly if the control has been
1563 * registered with snd_soc_add_codec_controls() or via table based setup of
1564 * snd_soc_codec_driver. Otherwise the behavior is undefined.
1566 static inline struct snd_soc_codec *snd_soc_kcontrol_codec(
1567 struct snd_kcontrol *kcontrol)
1569 return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
1573 * snd_soc_kcontrol_platform() - Returns the platform that registered the control
1574 * @kcontrol: The control for which to get the platform
1576 * Note: This function will only work correctly if the control has been
1577 * registered with snd_soc_add_platform_controls() or via table based setup of
1578 * a snd_soc_platform_driver. Otherwise the behavior is undefined.
1580 static inline struct snd_soc_platform *snd_soc_kcontrol_platform(
1581 struct snd_kcontrol *kcontrol)
1583 return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
1586 int snd_soc_util_init(void);
1587 void snd_soc_util_exit(void);
1589 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1590 const char *propname);
1591 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1592 const char *propname);
1593 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1594 unsigned int *slots,
1595 unsigned int *slot_width);
1596 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1597 const char *propname);
1598 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1600 struct device_node **bitclkmaster,
1601 struct device_node **framemaster);
1602 int snd_soc_of_get_dai_name(struct device_node *of_node,
1603 const char **dai_name);
1604 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1605 struct device_node *of_node,
1606 struct snd_soc_dai_link *dai_link);
1608 #include <sound/soc-dai.h>
1610 #ifdef CONFIG_DEBUG_FS
1611 extern struct dentry *snd_soc_debugfs_root;
1614 extern const struct dev_pm_ops snd_soc_pm_ops;
1616 /* Helper functions */
1617 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1619 mutex_lock(&dapm->card->dapm_mutex);
1622 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1624 mutex_unlock(&dapm->card->dapm_mutex);