1/* SPDX-License-Identifier: GPL-2.0
2 *
3 * linux/sound/soc.h -- ALSA SoC Layer
4 *
5 * Author: Liam Girdwood
6 * Created: Aug 11th 2005
7 * Copyright: Wolfson Microelectronics. PLC.
8 */
9
10#ifndef __LINUX_SND_SOC_H
11#define __LINUX_SND_SOC_H
12
13#include <linux/of.h>
14#include <linux/platform_device.h>
15#include <linux/types.h>
16#include <linux/notifier.h>
17#include <linux/workqueue.h>
18#include <linux/interrupt.h>
19#include <linux/kernel.h>
20#include <linux/regmap.h>
21#include <linux/log2.h>
22#include <sound/core.h>
23#include <sound/pcm.h>
24#include <sound/compress_driver.h>
25#include <sound/control.h>
26#include <sound/ac97_codec.h>
27
28/*
29 * Convenience kcontrol builders
30 */
31#define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
32 ((unsigned long)&(struct soc_mixer_control) \
33 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
34 .rshift = shift_right, .max = xmax, .platform_max = xmax, \
35 .invert = xinvert, .autodisable = xautodisable})
36#define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
37 ((unsigned long)&(struct soc_mixer_control) \
38 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
39 .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \
40 .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
41#define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
42 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
43#define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
44 ((unsigned long)&(struct soc_mixer_control) \
45 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
46#define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
47 ((unsigned long)&(struct soc_mixer_control) \
48 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
49 .max = xmax, .platform_max = xmax, .invert = xinvert})
50#define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
51 ((unsigned long)&(struct soc_mixer_control) \
52 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
53 .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
54 .invert = xinvert})
55#define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
56 ((unsigned long)&(struct soc_mixer_control) \
57 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
58 .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
59#define SOC_SINGLE(xname, reg, shift, max, invert) \
60{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
61 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
62 .put = snd_soc_put_volsw, \
63 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
64#define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
65{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
66 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
67 .put = snd_soc_put_volsw_range, \
68 .private_value = (unsigned long)&(struct soc_mixer_control) \
69 {.reg = xreg, .rreg = xreg, .shift = xshift, \
70 .rshift = xshift, .min = xmin, .max = xmax, \
71 .platform_max = xmax, .invert = xinvert} }
72#define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
73{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
74 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
75 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
76 .tlv.p = (tlv_array), \
77 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
78 .put = snd_soc_put_volsw, \
79 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
80#define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
81{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
82 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
83 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
84 .tlv.p = (tlv_array),\
85 .info = snd_soc_info_volsw_sx, \
86 .get = snd_soc_get_volsw_sx,\
87 .put = snd_soc_put_volsw_sx, \
88 .private_value = (unsigned long)&(struct soc_mixer_control) \
89 {.reg = xreg, .rreg = xreg, \
90 .shift = xshift, .rshift = xshift, \
91 .max = xmax, .min = xmin} }
92#define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
93{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
94 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
95 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
96 .tlv.p = (tlv_array), \
97 .info = snd_soc_info_volsw_range, \
98 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
99 .private_value = (unsigned long)&(struct soc_mixer_control) \
100 {.reg = xreg, .rreg = xreg, .shift = xshift, \
101 .rshift = xshift, .min = xmin, .max = xmax, \
102 .platform_max = xmax, .invert = xinvert} }
103#define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
104{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
105 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
106 .put = snd_soc_put_volsw, \
107 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
108 max, invert, 0) }
109#define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
110{ \
111 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
112 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
113 .access = SNDRV_CTL_ELEM_ACCESS_READ | \
114 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
115 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
116 max, invert, 0) }
117#define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
118{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
119 .info = snd_soc_info_volsw, \
120 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
121 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
122 xmax, xinvert) }
123#define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
124 xmax, xinvert) \
125{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
126 .info = snd_soc_info_volsw_range, \
127 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
128 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
129 xshift, xmin, xmax, xinvert) }
130#define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
131{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
132 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
133 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
134 .tlv.p = (tlv_array), \
135 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
136 .put = snd_soc_put_volsw, \
137 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
138 max, invert, 0) }
139#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, 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, \
145 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
146 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
147 xmax, xinvert) }
148#define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
149 xmax, xinvert, tlv_array) \
150{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
151 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
152 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
153 .tlv.p = (tlv_array), \
154 .info = snd_soc_info_volsw_range, \
155 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
156 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
157 xshift, xmin, xmax, xinvert) }
158#define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
159{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
160 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
161 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
162 .tlv.p = (tlv_array), \
163 .info = snd_soc_info_volsw_sx, \
164 .get = snd_soc_get_volsw_sx, \
165 .put = snd_soc_put_volsw_sx, \
166 .private_value = (unsigned long)&(struct soc_mixer_control) \
167 {.reg = xreg, .rreg = xrreg, \
168 .shift = xshift, .rshift = xshift, \
169 .max = xmax, .min = xmin} }
170#define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
171{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
172 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
173 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
174 .tlv.p = (tlv_array), \
175 .info = snd_soc_info_volsw, \
176 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
177 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
178 xmin, xmax, xsign_bit, xinvert) }
179#define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
180{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
181 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
182 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
183 .tlv.p = (tlv_array), \
184 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
185 .put = snd_soc_put_volsw, \
186 .private_value = (unsigned long)&(struct soc_mixer_control) \
187 {.reg = xreg, .rreg = xreg, \
188 .min = xmin, .max = xmax, .platform_max = xmax, \
189 .sign_bit = 7,} }
190#define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
191{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
192 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
193 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
194 .tlv.p = (tlv_array), \
195 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
196 .put = snd_soc_put_volsw, \
197 .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
198#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
199{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
200 .items = xitems, .texts = xtexts, \
201 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
202#define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
203 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
204#define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
205{ .items = xitems, .texts = xtexts }
206#define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
207{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
208 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
209#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
210 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
211#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
212{ .reg = xreg, .shift_l = xshift, .shift_r = xshift, \
213 .mask = xmask, .items = xitems, .texts = xtexts, \
214 .values = xvalues, .autodisable = 1}
215#define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
216 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
217#define SOC_ENUM(xname, xenum) \
218{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
219 .info = snd_soc_info_enum_double, \
220 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
221 .private_value = (unsigned long)&xenum }
222#define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
223 xhandler_get, xhandler_put) \
224{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
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(xname, reg, shift_left, shift_right, max, invert,\
229 xhandler_get, xhandler_put) \
230{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
231 .info = snd_soc_info_volsw, \
232 .get = xhandler_get, .put = xhandler_put, \
233 .private_value = \
234 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
235#define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
236 xhandler_get, xhandler_put) \
237{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
238 .info = snd_soc_info_volsw, \
239 .get = xhandler_get, .put = xhandler_put, \
240 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
241 xmax, xinvert) }
242#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
243 xhandler_get, xhandler_put, tlv_array) \
244{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
245 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
246 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
247 .tlv.p = (tlv_array), \
248 .info = snd_soc_info_volsw, \
249 .get = xhandler_get, .put = xhandler_put, \
250 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
251#define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \
252 xhandler_get, xhandler_put, tlv_array) \
253{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
254 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
255 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
256 .tlv.p = (tlv_array), \
257 .info = snd_soc_info_volsw_range, \
258 .get = xhandler_get, .put = xhandler_put, \
259 .private_value = (unsigned long)&(struct soc_mixer_control) \
260 {.reg = xreg, .rreg = xreg, .shift = xshift, \
261 .rshift = xshift, .min = xmin, .max = xmax, \
262 .platform_max = xmax, .invert = xinvert} }
263#define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
264 xhandler_get, xhandler_put, tlv_array) \
265{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
266 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
267 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
268 .tlv.p = (tlv_array), \
269 .info = snd_soc_info_volsw, \
270 .get = xhandler_get, .put = xhandler_put, \
271 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
272 xmax, xinvert, 0) }
273#define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
274 xhandler_get, xhandler_put, tlv_array) \
275{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
276 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
277 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
278 .tlv.p = (tlv_array), \
279 .info = snd_soc_info_volsw, \
280 .get = xhandler_get, .put = xhandler_put, \
281 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
282 xmax, xinvert) }
283#define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
284{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
285 .info = snd_soc_info_bool_ext, \
286 .get = xhandler_get, .put = xhandler_put, \
287 .private_value = xdata }
288#define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
289{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
290 .info = snd_soc_info_enum_double, \
291 .get = xhandler_get, .put = xhandler_put, \
292 .private_value = (unsigned long)&xenum }
293#define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
294 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
295
296#define SND_SOC_BYTES(xname, xbase, xregs) \
297{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
298 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
299 .put = snd_soc_bytes_put, .private_value = \
300 ((unsigned long)&(struct soc_bytes) \
301 {.base = xbase, .num_regs = xregs }) }
302
303#define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \
304{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
305 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
306 .put = snd_soc_bytes_put, .private_value = \
307 ((unsigned long)&(struct soc_bytes) \
308 {.base = xbase, .num_regs = xregs, \
309 .mask = xmask }) }
310
311/*
312 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
313 */
314#define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
315{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
316 .info = snd_soc_bytes_info_ext, \
317 .get = xhandler_get, .put = xhandler_put, \
318 .private_value = (unsigned long)&(struct soc_bytes_ext) \
319 {.max = xcount} }
320#define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
321{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
322 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
323 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
324 .tlv.c = (snd_soc_bytes_tlv_callback), \
325 .info = snd_soc_bytes_info_ext, \
326 .private_value = (unsigned long)&(struct soc_bytes_ext) \
327 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
328#define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
329 xmin, xmax, xinvert) \
330{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
331 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
332 .put = snd_soc_put_xr_sx, \
333 .private_value = (unsigned long)&(struct soc_mreg_control) \
334 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
335 .invert = xinvert, .min = xmin, .max = xmax} }
336
337#define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
338 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
339 snd_soc_get_strobe, snd_soc_put_strobe)
340
341/*
342 * Simplified versions of above macros, declaring a struct and calculating
343 * ARRAY_SIZE internally
344 */
345#define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
346 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
347 ARRAY_SIZE(xtexts), xtexts)
348#define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
349 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
350#define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
351 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
352#define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
353 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
354 ARRAY_SIZE(xtexts), xtexts, xvalues)
355#define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
356 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
357
358#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
359 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
360 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
361
362#define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
363 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
364
365/*
366 * Component probe and remove ordering levels for components with runtime
367 * dependencies.
368 */
369#define SND_SOC_COMP_ORDER_FIRST -2
370#define SND_SOC_COMP_ORDER_EARLY -1
371#define SND_SOC_COMP_ORDER_NORMAL 0
372#define SND_SOC_COMP_ORDER_LATE 1
373#define SND_SOC_COMP_ORDER_LAST 2
374
375#define for_each_comp_order(order) \
376 for (order = SND_SOC_COMP_ORDER_FIRST; \
377 order <= SND_SOC_COMP_ORDER_LAST; \
378 order++)
379
380/*
381 * Bias levels
382 *
383 * @ON: Bias is fully on for audio playback and capture operations.
384 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
385 * stream start and stop operations.
386 * @STANDBY: Low power standby state when no playback/capture operations are
387 * in progress. NOTE: The transition time between STANDBY and ON
388 * should be as fast as possible and no longer than 10ms.
389 * @OFF: Power Off. No restrictions on transition times.
390 */
391enum snd_soc_bias_level {
392 SND_SOC_BIAS_OFF = 0,
393 SND_SOC_BIAS_STANDBY = 1,
394 SND_SOC_BIAS_PREPARE = 2,
395 SND_SOC_BIAS_ON = 3,
396};
397
398struct device_node;
399struct snd_jack;
400struct snd_soc_card;
401struct snd_soc_pcm_stream;
402struct snd_soc_ops;
403struct snd_soc_pcm_runtime;
404struct snd_soc_dai;
405struct snd_soc_dai_driver;
406struct snd_soc_dai_link;
407struct snd_soc_component;
408struct snd_soc_component_driver;
409struct soc_enum;
410struct snd_soc_jack;
411struct snd_soc_jack_zone;
412struct snd_soc_jack_pin;
413#include <sound/soc-dapm.h>
414#include <sound/soc-dpcm.h>
415#include <sound/soc-topology.h>
416
417struct snd_soc_jack_gpio;
418
419typedef int (*hw_write_t)(void *,const char* ,int);
420
421enum snd_soc_pcm_subclass {
422 SND_SOC_PCM_CLASS_PCM = 0,
423 SND_SOC_PCM_CLASS_BE = 1,
424};
425
426enum snd_soc_card_subclass {
427 SND_SOC_CARD_CLASS_INIT = 0,
428 SND_SOC_CARD_CLASS_RUNTIME = 1,
429};
430
431int snd_soc_register_card(struct snd_soc_card *card);
432int snd_soc_unregister_card(struct snd_soc_card *card);
433int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
434#ifdef CONFIG_PM_SLEEP
435int snd_soc_suspend(struct device *dev);
436int snd_soc_resume(struct device *dev);
437#else
438static inline int snd_soc_suspend(struct device *dev)
439{
440 return 0;
441}
442
443static inline int snd_soc_resume(struct device *dev)
444{
445 return 0;
446}
447#endif
448int snd_soc_poweroff(struct device *dev);
449int snd_soc_add_component(struct device *dev,
450 struct snd_soc_component *component,
451 const struct snd_soc_component_driver *component_driver,
452 struct snd_soc_dai_driver *dai_drv,
453 int num_dai);
454int snd_soc_register_component(struct device *dev,
455 const struct snd_soc_component_driver *component_driver,
456 struct snd_soc_dai_driver *dai_drv, int num_dai);
457int devm_snd_soc_register_component(struct device *dev,
458 const struct snd_soc_component_driver *component_driver,
459 struct snd_soc_dai_driver *dai_drv, int num_dai);
460void snd_soc_unregister_component(struct device *dev);
461struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
462 const char *driver_name);
463
464int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
465#ifdef CONFIG_SND_SOC_COMPRESS
466int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
467#else
468static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
469{
470 return 0;
471}
472#endif
473
474void snd_soc_disconnect_sync(struct device *dev);
475
476struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
477 const char *dai_link, int stream);
478struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
479 const char *dai_link);
480
481bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
482void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
483void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
484
485int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
486 unsigned int dai_fmt);
487
488#ifdef CONFIG_DMI
489int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
490#else
491static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
492 const char *flavour)
493{
494 return 0;
495}
496#endif
497
498/* Utility functions to get clock rates from various things */
499int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
500int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
501int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
502int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
503
504/* set runtime hw params */
505int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
506 const struct snd_pcm_hardware *hw);
507
508int soc_dai_hw_params(struct snd_pcm_substream *substream,
509 struct snd_pcm_hw_params *params,
510 struct snd_soc_dai *dai);
511
512/* Jack reporting */
513int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
514 struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
515 unsigned int num_pins);
516
517void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
518int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
519 struct snd_soc_jack_pin *pins);
520void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
521 struct notifier_block *nb);
522void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
523 struct notifier_block *nb);
524int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
525 struct snd_soc_jack_zone *zones);
526int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
527#ifdef CONFIG_GPIOLIB
528int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
529 struct snd_soc_jack_gpio *gpios);
530int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
531 struct snd_soc_jack *jack,
532 int count, struct snd_soc_jack_gpio *gpios);
533void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
534 struct snd_soc_jack_gpio *gpios);
535#else
536static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
537 struct snd_soc_jack_gpio *gpios)
538{
539 return 0;
540}
541
542static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
543 struct snd_soc_jack *jack,
544 int count,
545 struct snd_soc_jack_gpio *gpios)
546{
547 return 0;
548}
549
550static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
551 struct snd_soc_jack_gpio *gpios)
552{
553}
554#endif
555
556struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
557struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
558 unsigned int id, unsigned int id_mask);
559void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
560
561#ifdef CONFIG_SND_SOC_AC97_BUS
562int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
563int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
564 struct platform_device *pdev);
565
566extern struct snd_ac97_bus_ops *soc_ac97_ops;
567#else
568static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
569 struct platform_device *pdev)
570{
571 return 0;
572}
573
574static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
575{
576 return 0;
577}
578#endif
579
580/*
581 *Controls
582 */
583struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
584 void *data, const char *long_name,
585 const char *prefix);
586struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
587 const char *name);
588int snd_soc_add_component_controls(struct snd_soc_component *component,
589 const struct snd_kcontrol_new *controls, unsigned int num_controls);
590int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
591 const struct snd_kcontrol_new *controls, int num_controls);
592int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
593 const struct snd_kcontrol_new *controls, int num_controls);
594int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
595 struct snd_ctl_elem_info *uinfo);
596int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
597 struct snd_ctl_elem_value *ucontrol);
598int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
599 struct snd_ctl_elem_value *ucontrol);
600int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
601 struct snd_ctl_elem_info *uinfo);
602int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
603 struct snd_ctl_elem_info *uinfo);
604#define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
605int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
606 struct snd_ctl_elem_value *ucontrol);
607int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
608 struct snd_ctl_elem_value *ucontrol);
609#define snd_soc_get_volsw_2r snd_soc_get_volsw
610#define snd_soc_put_volsw_2r snd_soc_put_volsw
611int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
612 struct snd_ctl_elem_value *ucontrol);
613int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
614 struct snd_ctl_elem_value *ucontrol);
615int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
616 struct snd_ctl_elem_info *uinfo);
617int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
618 struct snd_ctl_elem_value *ucontrol);
619int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
620 struct snd_ctl_elem_value *ucontrol);
621int snd_soc_limit_volume(struct snd_soc_card *card,
622 const char *name, int max);
623int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
624 struct snd_ctl_elem_info *uinfo);
625int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
626 struct snd_ctl_elem_value *ucontrol);
627int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
628 struct snd_ctl_elem_value *ucontrol);
629int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
630 struct snd_ctl_elem_info *ucontrol);
631int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
632 unsigned int size, unsigned int __user *tlv);
633int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
634 struct snd_ctl_elem_info *uinfo);
635int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
636 struct snd_ctl_elem_value *ucontrol);
637int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
638 struct snd_ctl_elem_value *ucontrol);
639int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
640 struct snd_ctl_elem_value *ucontrol);
641int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
642 struct snd_ctl_elem_value *ucontrol);
643
644/**
645 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
646 *
647 * @pin: name of the pin to update
648 * @mask: bits to check for in reported jack status
649 * @invert: if non-zero then pin is enabled when status is not reported
650 * @list: internal list entry
651 */
652struct snd_soc_jack_pin {
653 struct list_head list;
654 const char *pin;
655 int mask;
656 bool invert;
657};
658
659/**
660 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
661 *
662 * @min_mv: start voltage in mv
663 * @max_mv: end voltage in mv
664 * @jack_type: type of jack that is expected for this voltage
665 * @debounce_time: debounce_time for jack, codec driver should wait for this
666 * duration before reading the adc for voltages
667 * @list: internal list entry
668 */
669struct snd_soc_jack_zone {
670 unsigned int min_mv;
671 unsigned int max_mv;
672 unsigned int jack_type;
673 unsigned int debounce_time;
674 struct list_head list;
675};
676
677/**
678 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
679 *
680 * @gpio: legacy gpio number
681 * @idx: gpio descriptor index within the function of the GPIO
682 * consumer device
683 * @gpiod_dev: GPIO consumer device
684 * @name: gpio name. Also as connection ID for the GPIO consumer
685 * device function name lookup
686 * @report: value to report when jack detected
687 * @invert: report presence in low state
688 * @debounce_time: debounce time in ms
689 * @wake: enable as wake source
690 * @jack_status_check: callback function which overrides the detection
691 * to provide more complex checks (eg, reading an
692 * ADC).
693 */
694struct snd_soc_jack_gpio {
695 unsigned int gpio;
696 unsigned int idx;
697 struct device *gpiod_dev;
698 const char *name;
699 int report;
700 int invert;
701 int debounce_time;
702 bool wake;
703
704 /* private: */
705 struct snd_soc_jack *jack;
706 struct delayed_work work;
707 struct notifier_block pm_notifier;
708 struct gpio_desc *desc;
709
710 void *data;
711 /* public: */
712 int (*jack_status_check)(void *data);
713};
714
715struct snd_soc_jack {
716 struct mutex mutex;
717 struct snd_jack *jack;
718 struct snd_soc_card *card;
719 struct list_head pins;
720 int status;
721 struct blocking_notifier_head notifier;
722 struct list_head jack_zones;
723};
724
725/* SoC PCM stream information */
726struct snd_soc_pcm_stream {
727 const char *stream_name;
728 u64 formats; /* SNDRV_PCM_FMTBIT_* */
729 unsigned int rates; /* SNDRV_PCM_RATE_* */
730 unsigned int rate_min; /* min rate */
731 unsigned int rate_max; /* max rate */
732 unsigned int channels_min; /* min channels */
733 unsigned int channels_max; /* max channels */
734 unsigned int sig_bits; /* number of bits of content */
735};
736
737/* SoC audio ops */
738struct snd_soc_ops {
739 int (*startup)(struct snd_pcm_substream *);
740 void (*shutdown)(struct snd_pcm_substream *);
741 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
742 int (*hw_free)(struct snd_pcm_substream *);
743 int (*prepare)(struct snd_pcm_substream *);
744 int (*trigger)(struct snd_pcm_substream *, int);
745};
746
747struct snd_soc_compr_ops {
748 int (*startup)(struct snd_compr_stream *);
749 void (*shutdown)(struct snd_compr_stream *);
750 int (*set_params)(struct snd_compr_stream *);
751 int (*trigger)(struct snd_compr_stream *);
752};
753
754/* component interface */
755struct snd_soc_component_driver {
756 const char *name;
757
758 /* Default control and setup, added after probe() is run */
759 const struct snd_kcontrol_new *controls;
760 unsigned int num_controls;
761 const struct snd_soc_dapm_widget *dapm_widgets;
762 unsigned int num_dapm_widgets;
763 const struct snd_soc_dapm_route *dapm_routes;
764 unsigned int num_dapm_routes;
765
766 int (*probe)(struct snd_soc_component *);
767 void (*remove)(struct snd_soc_component *);
768 int (*suspend)(struct snd_soc_component *);
769 int (*resume)(struct snd_soc_component *);
770
771 unsigned int (*read)(struct snd_soc_component *, unsigned int);
772 int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
773
774 /* pcm creation and destruction */
775 int (*pcm_new)(struct snd_soc_pcm_runtime *);
776 void (*pcm_free)(struct snd_pcm *);
777
778 /* component wide operations */
779 int (*set_sysclk)(struct snd_soc_component *component,
780 int clk_id, int source, unsigned int freq, int dir);
781 int (*set_pll)(struct snd_soc_component *component, int pll_id,
782 int source, unsigned int freq_in, unsigned int freq_out);
783 int (*set_jack)(struct snd_soc_component *component,
784 struct snd_soc_jack *jack, void *data);
785
786 /* DT */
787 int (*of_xlate_dai_name)(struct snd_soc_component *component,
788 struct of_phandle_args *args,
789 const char **dai_name);
790 int (*of_xlate_dai_id)(struct snd_soc_component *comment,
791 struct device_node *endpoint);
792 void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
793 int subseq);
794 int (*stream_event)(struct snd_soc_component *, int event);
795 int (*set_bias_level)(struct snd_soc_component *component,
796 enum snd_soc_bias_level level);
797
798 const struct snd_pcm_ops *ops;
799 const struct snd_compr_ops *compr_ops;
800
801 /* probe ordering - for components with runtime dependencies */
802 int probe_order;
803 int remove_order;
804
805 /* signal if the module handling the component cannot be removed */
806 unsigned int ignore_module_refcount:1;
807
808 /* bits */
809 unsigned int idle_bias_on:1;
810 unsigned int suspend_bias_off:1;
811 unsigned int use_pmdown_time:1; /* care pmdown_time at stop */
812 unsigned int endianness:1;
813 unsigned int non_legacy_dai_naming:1;
814
815 /* this component uses topology and ignore machine driver FEs */
816 const char *ignore_machine;
817 const char *topology_name_prefix;
818 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
819 struct snd_pcm_hw_params *params);
820 bool use_dai_pcm_id; /* use the DAI link PCM ID as PCM device number */
821 int be_pcm_base; /* base device ID for all BE PCMs */
822};
823
824struct snd_soc_component {
825 const char *name;
826 int id;
827 const char *name_prefix;
828 struct device *dev;
829 struct snd_soc_card *card;
830
831 unsigned int active;
832
833 unsigned int suspended:1; /* is in suspend PM state */
834
835 struct list_head list;
836 struct list_head card_aux_list; /* for auxiliary bound components */
837 struct list_head card_list;
838
839 const struct snd_soc_component_driver *driver;
840
841 struct list_head dai_list;
842 int num_dai;
843
844 struct regmap *regmap;
845 int val_bytes;
846
847 struct mutex io_mutex;
848
849 /* attached dynamic objects */
850 struct list_head dobj_list;
851
852 /*
853 * DO NOT use any of the fields below in drivers, they are temporary and
854 * are going to be removed again soon. If you use them in driver code the
855 * driver will be marked as BROKEN when these fields are removed.
856 */
857
858 /* Don't use these, use snd_soc_component_get_dapm() */
859 struct snd_soc_dapm_context dapm;
860
861 /* machine specific init */
862 int (*init)(struct snd_soc_component *component);
863
864#ifdef CONFIG_DEBUG_FS
865 struct dentry *debugfs_root;
866 const char *debugfs_prefix;
867#endif
868};
869
870#define for_each_component_dais(component, dai)\
871 list_for_each_entry(dai, &(component)->dai_list, list)
872#define for_each_component_dais_safe(component, dai, _dai)\
873 list_for_each_entry_safe(dai, _dai, &(component)->dai_list, list)
874
875struct snd_soc_rtdcom_list {
876 struct snd_soc_component *component;
877 struct list_head list; /* rtd::component_list */
878};
879struct snd_soc_component*
880snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
881 const char *driver_name);
882#define for_each_rtdcom(rtd, rtdcom) \
883 list_for_each_entry(rtdcom, &(rtd)->component_list, list)
884#define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \
885 list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list)
886
887struct snd_soc_dai_link_component {
888 const char *name;
889 struct device_node *of_node;
890 const char *dai_name;
891};
892
893struct snd_soc_dai_link {
894 /* config - must be set by machine driver */
895 const char *name; /* Codec name */
896 const char *stream_name; /* Stream name */
897
898 /*
899 * cpu_name
900 * cpu_of_node
901 * cpu_dai_name
902 *
903 * These are legacy style, and will be replaced to
904 * modern style (= snd_soc_dai_link_component) in the future,
905 * but, not yet supported so far.
906 * If modern style was supported for CPU, all driver will switch
907 * to use it, and, legacy style code will be removed from ALSA SoC.
908 */
909 /*
910 * You MAY specify the link's CPU-side device, either by device name,
911 * or by DT/OF node, but not both. If this information is omitted,
912 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
913 * must be globally unique. These fields are currently typically used
914 * only for codec to codec links, or systems using device tree.
915 */
916 const char *cpu_name;
917 struct device_node *cpu_of_node;
918 /*
919 * You MAY specify the DAI name of the CPU DAI. If this information is
920 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
921 * only, which only works well when that device exposes a single DAI.
922 */
923 const char *cpu_dai_name;
924
925 /*
926 * codec_name
927 * codec_of_node
928 * codec_dai_name
929 *
930 * These are legacy style, it will be converted to modern style
931 * (= snd_soc_dai_link_component) automatically in soc-core
932 * if driver is using legacy style.
933 * Driver shouldn't use both legacy and modern style in the same time.
934 * If modern style was supported for CPU, all driver will switch
935 * to use it, and, legacy style code will be removed from ALSA SoC.
936 */
937 /*
938 * You MUST specify the link's codec, either by device name, or by
939 * DT/OF node, but not both.
940 */
941 const char *codec_name;
942 struct device_node *codec_of_node;
943 /* You MUST specify the DAI name within the codec */
944 const char *codec_dai_name;
945
946 struct snd_soc_dai_link_component *codecs;
947 unsigned int num_codecs;
948
949 /*
950 * platform_name
951 * platform_of_node
952 *
953 * These are legacy style, it will be converted to modern style
954 * (= snd_soc_dai_link_component) automatically in soc-core
955 * if driver is using legacy style.
956 * Driver shouldn't use both legacy and modern style in the same time.
957 * If modern style was supported for CPU, all driver will switch
958 * to use it, and, legacy style code will be removed from ALSA SoC.
959 */
960 /*
961 * You MAY specify the link's platform/PCM/DMA driver, either by
962 * device name, or by DT/OF node, but not both. Some forms of link
963 * do not need a platform.
964 */
965 const char *platform_name;
966 struct device_node *platform_of_node;
967 struct snd_soc_dai_link_component *platforms;
968 unsigned int num_platforms;
969
970 int id; /* optional ID for machine driver link identification */
971
972 const struct snd_soc_pcm_stream *params;
973 unsigned int num_params;
974
975 unsigned int dai_fmt; /* format to set on init */
976
977 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
978
979 /* codec/machine specific init - e.g. add machine controls */
980 int (*init)(struct snd_soc_pcm_runtime *rtd);
981
982 /* optional hw_params re-writing for BE and FE sync */
983 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
984 struct snd_pcm_hw_params *params);
985
986 /* machine stream operations */
987 const struct snd_soc_ops *ops;
988 const struct snd_soc_compr_ops *compr_ops;
989
990 /* Mark this pcm with non atomic ops */
991 bool nonatomic;
992
993 /* For unidirectional dai links */
994 unsigned int playback_only:1;
995 unsigned int capture_only:1;
996
997 /* Keep DAI active over suspend */
998 unsigned int ignore_suspend:1;
999
1000 /* Symmetry requirements */
1001 unsigned int symmetric_rates:1;
1002 unsigned int symmetric_channels:1;
1003 unsigned int symmetric_samplebits:1;
1004
1005 /* Do not create a PCM for this DAI link (Backend link) */
1006 unsigned int no_pcm:1;
1007
1008 /* This DAI link can route to other DAI links at runtime (Frontend)*/
1009 unsigned int dynamic:1;
1010
1011 /* DPCM capture and Playback support */
1012 unsigned int dpcm_capture:1;
1013 unsigned int dpcm_playback:1;
1014
1015 /* DPCM used FE & BE merged format */
1016 unsigned int dpcm_merged_format:1;
1017 /* DPCM used FE & BE merged channel */
1018 unsigned int dpcm_merged_chan:1;
1019 /* DPCM used FE & BE merged rate */
1020 unsigned int dpcm_merged_rate:1;
1021
1022 /* pmdown_time is ignored at stop */
1023 unsigned int ignore_pmdown_time:1;
1024
1025 /* Do not create a PCM for this DAI link (Backend link) */
1026 unsigned int ignore:1;
1027
1028 /*
1029 * This driver uses legacy platform naming. Set by the core, machine
1030 * drivers should not modify this value.
1031 */
1032 unsigned int legacy_platform:1;
1033
1034 struct list_head list; /* DAI link list of the soc card */
1035 struct snd_soc_dobj dobj; /* For topology */
1036};
1037#define for_each_link_codecs(link, i, codec) \
1038 for ((i) = 0; \
1039 ((i) < link->num_codecs) && ((codec) = &link->codecs[i]); \
1040 (i)++)
1041
1042struct snd_soc_codec_conf {
1043 /*
1044 * specify device either by device name, or by
1045 * DT/OF node, but not both.
1046 */
1047 const char *dev_name;
1048 struct device_node *of_node;
1049
1050 /*
1051 * optional map of kcontrol, widget and path name prefixes that are
1052 * associated per device
1053 */
1054 const char *name_prefix;
1055};
1056
1057struct snd_soc_aux_dev {
1058 const char *name; /* Codec name */
1059
1060 /*
1061 * specify multi-codec either by device name, or by
1062 * DT/OF node, but not both.
1063 */
1064 const char *codec_name;
1065 struct device_node *codec_of_node;
1066
1067 /* codec/machine specific init - e.g. add machine controls */
1068 int (*init)(struct snd_soc_component *component);
1069};
1070
1071/* SoC card */
1072struct snd_soc_card {
1073 const char *name;
1074 const char *long_name;
1075 const char *driver_name;
1076 char dmi_longname[80];
1077 char topology_shortname[32];
1078
1079 struct device *dev;
1080 struct snd_card *snd_card;
1081 struct module *owner;
1082
1083 struct mutex mutex;
1084 struct mutex dapm_mutex;
1085
1086 bool instantiated;
1087 bool topology_shortname_created;
1088
1089 int (*probe)(struct snd_soc_card *card);
1090 int (*late_probe)(struct snd_soc_card *card);
1091 int (*remove)(struct snd_soc_card *card);
1092
1093 /* the pre and post PM functions are used to do any PM work before and
1094 * after the codec and DAI's do any PM work. */
1095 int (*suspend_pre)(struct snd_soc_card *card);
1096 int (*suspend_post)(struct snd_soc_card *card);
1097 int (*resume_pre)(struct snd_soc_card *card);
1098 int (*resume_post)(struct snd_soc_card *card);
1099
1100 /* callbacks */
1101 int (*set_bias_level)(struct snd_soc_card *,
1102 struct snd_soc_dapm_context *dapm,
1103 enum snd_soc_bias_level level);
1104 int (*set_bias_level_post)(struct snd_soc_card *,
1105 struct snd_soc_dapm_context *dapm,
1106 enum snd_soc_bias_level level);
1107
1108 int (*add_dai_link)(struct snd_soc_card *,
1109 struct snd_soc_dai_link *link);
1110 void (*remove_dai_link)(struct snd_soc_card *,
1111 struct snd_soc_dai_link *link);
1112
1113 long pmdown_time;
1114
1115 /* CPU <--> Codec DAI links */
1116 struct snd_soc_dai_link *dai_link; /* predefined links only */
1117 int num_links; /* predefined links only */
1118 struct list_head dai_link_list; /* all links */
1119
1120 struct list_head rtd_list;
1121 int num_rtd;
1122
1123 /* optional codec specific configuration */
1124 struct snd_soc_codec_conf *codec_conf;
1125 int num_configs;
1126
1127 /*
1128 * optional auxiliary devices such as amplifiers or codecs with DAI
1129 * link unused
1130 */
1131 struct snd_soc_aux_dev *aux_dev;
1132 int num_aux_devs;
1133 struct list_head aux_comp_list;
1134
1135 const struct snd_kcontrol_new *controls;
1136 int num_controls;
1137
1138 /*
1139 * Card-specific routes and widgets.
1140 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1141 */
1142 const struct snd_soc_dapm_widget *dapm_widgets;
1143 int num_dapm_widgets;
1144 const struct snd_soc_dapm_route *dapm_routes;
1145 int num_dapm_routes;
1146 const struct snd_soc_dapm_widget *of_dapm_widgets;
1147 int num_of_dapm_widgets;
1148 const struct snd_soc_dapm_route *of_dapm_routes;
1149 int num_of_dapm_routes;
1150 bool fully_routed;
1151
1152 struct work_struct deferred_resume_work;
1153
1154 /* lists of probed devices belonging to this card */
1155 struct list_head component_dev_list;
1156 struct list_head list;
1157
1158 struct list_head widgets;
1159 struct list_head paths;
1160 struct list_head dapm_list;
1161 struct list_head dapm_dirty;
1162
1163 /* attached dynamic objects */
1164 struct list_head dobj_list;
1165
1166 /* Generic DAPM context for the card */
1167 struct snd_soc_dapm_context dapm;
1168 struct snd_soc_dapm_stats dapm_stats;
1169 struct snd_soc_dapm_update *update;
1170
1171#ifdef CONFIG_DEBUG_FS
1172 struct dentry *debugfs_card_root;
1173 struct dentry *debugfs_pop_time;
1174#endif
1175 u32 pop_time;
1176
1177 void *drvdata;
1178};
1179#define for_each_card_prelinks(card, i, link) \
1180 for ((i) = 0; \
1181 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
1182 (i)++)
1183
1184#define for_each_card_links(card, link) \
1185 list_for_each_entry(dai_link, &(card)->dai_link_list, list)
1186#define for_each_card_links_safe(card, link, _link) \
1187 list_for_each_entry_safe(link, _link, &(card)->dai_link_list, list)
1188
1189#define for_each_card_rtds(card, rtd) \
1190 list_for_each_entry(rtd, &(card)->rtd_list, list)
1191#define for_each_card_rtds_safe(card, rtd, _rtd) \
1192 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1193
1194#define for_each_card_components(card, component) \
1195 list_for_each_entry(component, &(card)->component_dev_list, card_list)
1196
1197/* SoC machine DAI configuration, glues a codec and cpu DAI together */
1198struct snd_soc_pcm_runtime {
1199 struct device *dev;
1200 struct snd_soc_card *card;
1201 struct snd_soc_dai_link *dai_link;
1202 struct mutex pcm_mutex;
1203 enum snd_soc_pcm_subclass pcm_subclass;
1204 struct snd_pcm_ops ops;
1205
1206 unsigned int params_select; /* currently selected param for dai link */
1207
1208 /* Dynamic PCM BE runtime data */
1209 struct snd_soc_dpcm_runtime dpcm[2];
1210 int fe_compr;
1211
1212 long pmdown_time;
1213
1214 /* runtime devices */
1215 struct snd_pcm *pcm;
1216 struct snd_compr *compr;
1217 struct snd_soc_dai *codec_dai;
1218 struct snd_soc_dai *cpu_dai;
1219
1220 struct snd_soc_dai **codec_dais;
1221 unsigned int num_codecs;
1222
1223 struct delayed_work delayed_work;
1224#ifdef CONFIG_DEBUG_FS
1225 struct dentry *debugfs_dpcm_root;
1226#endif
1227
1228 unsigned int num; /* 0-based and monotonic increasing */
1229 struct list_head list; /* rtd list of the soc card */
1230 struct list_head component_list; /* list of connected components */
1231
1232 /* bit field */
1233 unsigned int dev_registered:1;
1234 unsigned int pop_wait:1;
1235};
1236#define for_each_rtd_codec_dai(rtd, i, dai)\
1237 for ((i) = 0; \
1238 ((i) < rtd->num_codecs) && ((dai) = rtd->codec_dais[i]); \
1239 (i)++)
1240#define for_each_rtd_codec_dai_rollback(rtd, i, dai) \
1241 for (; ((--i) >= 0) && ((dai) = rtd->codec_dais[i]);)
1242
1243
1244/* mixer control */
1245struct soc_mixer_control {
1246 int min, max, platform_max;
1247 int reg, rreg;
1248 unsigned int shift, rshift;
1249 unsigned int sign_bit;
1250 unsigned int invert:1;
1251 unsigned int autodisable:1;
1252 struct snd_soc_dobj dobj;
1253};
1254
1255struct soc_bytes {
1256 int base;
1257 int num_regs;
1258 u32 mask;
1259};
1260
1261struct soc_bytes_ext {
1262 int max;
1263 struct snd_soc_dobj dobj;
1264
1265 /* used for TLV byte control */
1266 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1267 unsigned int size);
1268 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1269 unsigned int size);
1270};
1271
1272/* multi register control */
1273struct soc_mreg_control {
1274 long min, max;
1275 unsigned int regbase, regcount, nbits, invert;
1276};
1277
1278/* enumerated kcontrol */
1279struct soc_enum {
1280 int reg;
1281 unsigned char shift_l;
1282 unsigned char shift_r;
1283 unsigned int items;
1284 unsigned int mask;
1285 const char * const *texts;
1286 const unsigned int *values;
1287 unsigned int autodisable:1;
1288 struct snd_soc_dobj dobj;
1289};
1290
1291/**
1292 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1293 * embedded in
1294 * @dapm: The DAPM context to cast to the component
1295 *
1296 * This function must only be used on DAPM contexts that are known to be part of
1297 * a component (e.g. in a component driver). Otherwise the behavior is
1298 * undefined.
1299 */
1300static inline struct snd_soc_component *snd_soc_dapm_to_component(
1301 struct snd_soc_dapm_context *dapm)
1302{
1303 return container_of(dapm, struct snd_soc_component, dapm);
1304}
1305
1306/**
1307 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1308 * component
1309 * @component: The component for which to get the DAPM context
1310 */
1311static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1312 struct snd_soc_component *component)
1313{
1314 return &component->dapm;
1315}
1316
1317/**
1318 * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
1319 * @component: The COMPONENT for which to initialize the DAPM bias level
1320 * @level: The DAPM level to initialize to
1321 *
1322 * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level().
1323 */
1324static inline void
1325snd_soc_component_init_bias_level(struct snd_soc_component *component,
1326 enum snd_soc_bias_level level)
1327{
1328 snd_soc_dapm_init_bias_level(
1329 snd_soc_component_get_dapm(component), level);
1330}
1331
1332/**
1333 * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
1334 * @component: The COMPONENT for which to get the DAPM bias level
1335 *
1336 * Returns: The current DAPM bias level of the COMPONENT.
1337 */
1338static inline enum snd_soc_bias_level
1339snd_soc_component_get_bias_level(struct snd_soc_component *component)
1340{
1341 return snd_soc_dapm_get_bias_level(
1342 snd_soc_component_get_dapm(component));
1343}
1344
1345/**
1346 * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
1347 * @component: The COMPONENT for which to set the level
1348 * @level: The level to set to
1349 *
1350 * Forces the COMPONENT bias level to a specific state. See
1351 * snd_soc_dapm_force_bias_level().
1352 */
1353static inline int
1354snd_soc_component_force_bias_level(struct snd_soc_component *component,
1355 enum snd_soc_bias_level level)
1356{
1357 return snd_soc_dapm_force_bias_level(
1358 snd_soc_component_get_dapm(component),
1359 level);
1360}
1361
1362/**
1363 * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol
1364 * @kcontrol: The kcontrol
1365 *
1366 * This function must only be used on DAPM contexts that are known to be part of
1367 * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined.
1368 */
1369static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component(
1370 struct snd_kcontrol *kcontrol)
1371{
1372 return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol));
1373}
1374
1375/**
1376 * snd_soc_component_cache_sync() - Sync the register cache with the hardware
1377 * @component: COMPONENT to sync
1378 *
1379 * Note: This function will call regcache_sync()
1380 */
1381static inline int snd_soc_component_cache_sync(
1382 struct snd_soc_component *component)
1383{
1384 return regcache_sync(component->regmap);
1385}
1386
1387/* component IO */
1388int snd_soc_component_read(struct snd_soc_component *component,
1389 unsigned int reg, unsigned int *val);
1390unsigned int snd_soc_component_read32(struct snd_soc_component *component,
1391 unsigned int reg);
1392int snd_soc_component_write(struct snd_soc_component *component,
1393 unsigned int reg, unsigned int val);
1394int snd_soc_component_update_bits(struct snd_soc_component *component,
1395 unsigned int reg, unsigned int mask, unsigned int val);
1396int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1397 unsigned int reg, unsigned int mask, unsigned int val);
1398void snd_soc_component_async_complete(struct snd_soc_component *component);
1399int snd_soc_component_test_bits(struct snd_soc_component *component,
1400 unsigned int reg, unsigned int mask, unsigned int value);
1401
1402/* component wide operations */
1403int snd_soc_component_set_sysclk(struct snd_soc_component *component,
1404 int clk_id, int source, unsigned int freq, int dir);
1405int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
1406 int source, unsigned int freq_in,
1407 unsigned int freq_out);
1408int snd_soc_component_set_jack(struct snd_soc_component *component,
1409 struct snd_soc_jack *jack, void *data);
1410
1411#ifdef CONFIG_REGMAP
1412
1413void snd_soc_component_init_regmap(struct snd_soc_component *component,
1414 struct regmap *regmap);
1415void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1416
1417#endif
1418
1419/* device driver data */
1420
1421static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1422 void *data)
1423{
1424 card->drvdata = data;
1425}
1426
1427static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1428{
1429 return card->drvdata;
1430}
1431
1432static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1433 void *data)
1434{
1435 dev_set_drvdata(c->dev, data);
1436}
1437
1438static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1439{
1440 return dev_get_drvdata(c->dev);
1441}
1442
1443static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1444{
1445 INIT_LIST_HEAD(&card->widgets);
1446 INIT_LIST_HEAD(&card->paths);
1447 INIT_LIST_HEAD(&card->dapm_list);
1448 INIT_LIST_HEAD(&card->aux_comp_list);
1449 INIT_LIST_HEAD(&card->component_dev_list);
1450 INIT_LIST_HEAD(&card->list);
1451}
1452
1453static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1454{
1455 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1456 return 0;
1457 /*
1458 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1459 * mc->reg != mc->rreg means that the control is
1460 * stereo (bits in one register or in two registers)
1461 */
1462 return 1;
1463}
1464
1465static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1466 unsigned int val)
1467{
1468 unsigned int i;
1469
1470 if (!e->values)
1471 return val;
1472
1473 for (i = 0; i < e->items; i++)
1474 if (val == e->values[i])
1475 return i;
1476
1477 return 0;
1478}
1479
1480static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1481 unsigned int item)
1482{
1483 if (!e->values)
1484 return item;
1485
1486 return e->values[item];
1487}
1488
1489static inline bool snd_soc_component_is_active(
1490 struct snd_soc_component *component)
1491{
1492 return component->active != 0;
1493}
1494
1495/**
1496 * snd_soc_kcontrol_component() - Returns the component that registered the
1497 * control
1498 * @kcontrol: The control for which to get the component
1499 *
1500 * Note: This function will work correctly if the control has been registered
1501 * for a component. With snd_soc_add_codec_controls() or via table based
1502 * setup for either a CODEC or component driver. Otherwise the behavior is
1503 * undefined.
1504 */
1505static inline struct snd_soc_component *snd_soc_kcontrol_component(
1506 struct snd_kcontrol *kcontrol)
1507{
1508 return snd_kcontrol_chip(kcontrol);
1509}
1510
1511int snd_soc_util_init(void);
1512void snd_soc_util_exit(void);
1513
1514int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1515 const char *propname);
1516int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1517 const char *propname);
1518int snd_soc_of_get_slot_mask(struct device_node *np,
1519 const char *prop_name,
1520 unsigned int *mask);
1521int snd_soc_of_parse_tdm_slot(struct device_node *np,
1522 unsigned int *tx_mask,
1523 unsigned int *rx_mask,
1524 unsigned int *slots,
1525 unsigned int *slot_width);
1526void snd_soc_of_parse_node_prefix(struct device_node *np,
1527 struct snd_soc_codec_conf *codec_conf,
1528 struct device_node *of_node,
1529 const char *propname);
1530static inline
1531void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1532 struct snd_soc_codec_conf *codec_conf,
1533 struct device_node *of_node,
1534 const char *propname)
1535{
1536 snd_soc_of_parse_node_prefix(card->dev->of_node,
1537 codec_conf, of_node, propname);
1538}
1539
1540int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1541 const char *propname);
1542unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1543 const char *prefix,
1544 struct device_node **bitclkmaster,
1545 struct device_node **framemaster);
1546int snd_soc_get_dai_id(struct device_node *ep);
1547int snd_soc_get_dai_name(struct of_phandle_args *args,
1548 const char **dai_name);
1549int snd_soc_of_get_dai_name(struct device_node *of_node,
1550 const char **dai_name);
1551int snd_soc_of_get_dai_link_codecs(struct device *dev,
1552 struct device_node *of_node,
1553 struct snd_soc_dai_link *dai_link);
1554void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1555
1556int snd_soc_add_dai_link(struct snd_soc_card *card,
1557 struct snd_soc_dai_link *dai_link);
1558void snd_soc_remove_dai_link(struct snd_soc_card *card,
1559 struct snd_soc_dai_link *dai_link);
1560struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1561 int id, const char *name,
1562 const char *stream_name);
1563
1564int snd_soc_register_dai(struct snd_soc_component *component,
1565 struct snd_soc_dai_driver *dai_drv);
1566
1567struct snd_soc_dai *snd_soc_find_dai(
1568 const struct snd_soc_dai_link_component *dlc);
1569
1570#include <sound/soc-dai.h>
1571
1572static inline
1573struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
1574 const char *dai_name)
1575{
1576 struct snd_soc_pcm_runtime *rtd;
1577
1578 list_for_each_entry(rtd, &card->rtd_list, list) {
1579 if (!strcmp(rtd->codec_dai->name, dai_name))
1580 return rtd->codec_dai;
1581 }
1582
1583 return NULL;
1584}
1585
1586static inline
1587int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
1588 const char *platform_name)
1589{
1590 struct snd_soc_dai_link *dai_link;
1591 const char *name;
1592 int i;
1593
1594 if (!platform_name) /* nothing to do */
1595 return 0;
1596
1597 /* set platform name for each dailink */
1598 for_each_card_prelinks(card, i, dai_link) {
1599 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
1600 if (!name)
1601 return -ENOMEM;
1602
1603 if (dai_link->platforms)
1604 /* only single platform is supported for now */
1605 dai_link->platforms->name = name;
1606 else
1607 /*
1608 * legacy mode, this case will be removed when all
1609 * derivers are switched to modern style dai_link.
1610 */
1611 dai_link->platform_name = name;
1612 }
1613
1614 return 0;
1615}
1616
1617#ifdef CONFIG_DEBUG_FS
1618extern struct dentry *snd_soc_debugfs_root;
1619#endif
1620
1621extern const struct dev_pm_ops snd_soc_pm_ops;
1622
1623/* Helper functions */
1624static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1625{
1626 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1627}
1628
1629static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1630{
1631 mutex_unlock(&dapm->card->dapm_mutex);
1632}
1633
1634int snd_soc_component_enable_pin(struct snd_soc_component *component,
1635 const char *pin);
1636int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1637 const char *pin);
1638int snd_soc_component_disable_pin(struct snd_soc_component *component,
1639 const char *pin);
1640int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1641 const char *pin);
1642int snd_soc_component_nc_pin(struct snd_soc_component *component,
1643 const char *pin);
1644int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1645 const char *pin);
1646int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1647 const char *pin);
1648int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1649 const char *pin);
1650int snd_soc_component_force_enable_pin_unlocked(
1651 struct snd_soc_component *component,
1652 const char *pin);
1653
1654#endif
1655