Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * linux/sound/soc.h -- ALSA SoC Layer
3 *
4 * Author: Liam Girdwood
5 * Created: Aug 11th 2005
6 * Copyright: Wolfson Microelectronics. PLC.
7 *
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.
11 */
12
13#ifndef __LINUX_SND_SOC_H
14#define __LINUX_SND_SOC_H
15
16#include <linux/of.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>
30
31/*
32 * Convenience kcontrol builders
33 */
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, \
57 .invert = xinvert})
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_sx, \
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, \
111 max, invert, 0) }
112#define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
113{ \
114 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
115 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
116 .access = SNDRV_CTL_ELEM_ACCESS_READ | \
117 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
118 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
119 max, invert, 0) }
120#define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
121{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
122 .info = snd_soc_info_volsw, \
123 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
124 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
125 xmax, xinvert) }
126#define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
127 xmax, xinvert) \
128{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
129 .info = snd_soc_info_volsw_range, \
130 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
131 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
132 xshift, xmin, xmax, xinvert) }
133#define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
134{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
135 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
136 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
137 .tlv.p = (tlv_array), \
138 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
139 .put = snd_soc_put_volsw, \
140 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
141 max, invert, 0) }
142#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
143{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
144 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
145 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
146 .tlv.p = (tlv_array), \
147 .info = snd_soc_info_volsw, \
148 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
149 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
150 xmax, xinvert) }
151#define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
152 xmax, xinvert, tlv_array) \
153{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
154 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
155 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
156 .tlv.p = (tlv_array), \
157 .info = snd_soc_info_volsw_range, \
158 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
159 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
160 xshift, xmin, xmax, xinvert) }
161#define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
162{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
163 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
164 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
165 .tlv.p = (tlv_array), \
166 .info = snd_soc_info_volsw_sx, \
167 .get = snd_soc_get_volsw_sx, \
168 .put = snd_soc_put_volsw_sx, \
169 .private_value = (unsigned long)&(struct soc_mixer_control) \
170 {.reg = xreg, .rreg = xrreg, \
171 .shift = xshift, .rshift = xshift, \
172 .max = xmax, .min = xmin} }
173#define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
174{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
175 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
176 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
177 .tlv.p = (tlv_array), \
178 .info = snd_soc_info_volsw, \
179 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
180 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
181 xmin, xmax, xsign_bit, xinvert) }
182#define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
183{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
184 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
185 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
186 .tlv.p = (tlv_array), \
187 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
188 .put = snd_soc_put_volsw, \
189 .private_value = (unsigned long)&(struct soc_mixer_control) \
190 {.reg = xreg, .rreg = xreg, \
191 .min = xmin, .max = xmax, .platform_max = xmax, \
192 .sign_bit = 7,} }
193#define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
194{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
195 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
196 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
197 .tlv.p = (tlv_array), \
198 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
199 .put = snd_soc_put_volsw, \
200 .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
201#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
202{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
203 .items = xitems, .texts = xtexts, \
204 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
205#define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
206 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
207#define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
208{ .items = xitems, .texts = xtexts }
209#define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
210{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
211 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
212#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
213 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
214#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
215{ .reg = xreg, .shift_l = xshift, .shift_r = xshift, \
216 .mask = xmask, .items = xitems, .texts = xtexts, \
217 .values = xvalues, .autodisable = 1}
218#define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
219 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
220#define SOC_ENUM(xname, xenum) \
221{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
222 .info = snd_soc_info_enum_double, \
223 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
224 .private_value = (unsigned long)&xenum }
225#define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
226 xhandler_get, xhandler_put) \
227{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
228 .info = snd_soc_info_volsw, \
229 .get = xhandler_get, .put = xhandler_put, \
230 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
231#define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
232 xhandler_get, xhandler_put) \
233{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
234 .info = snd_soc_info_volsw, \
235 .get = xhandler_get, .put = xhandler_put, \
236 .private_value = \
237 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
238#define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
239 xhandler_get, xhandler_put) \
240{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
241 .info = snd_soc_info_volsw, \
242 .get = xhandler_get, .put = xhandler_put, \
243 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
244 xmax, xinvert) }
245#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
246 xhandler_get, xhandler_put, tlv_array) \
247{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
248 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
249 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
250 .tlv.p = (tlv_array), \
251 .info = snd_soc_info_volsw, \
252 .get = xhandler_get, .put = xhandler_put, \
253 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
254#define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \
255 xhandler_get, xhandler_put, tlv_array) \
256{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
257 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
258 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
259 .tlv.p = (tlv_array), \
260 .info = snd_soc_info_volsw_range, \
261 .get = xhandler_get, .put = xhandler_put, \
262 .private_value = (unsigned long)&(struct soc_mixer_control) \
263 {.reg = xreg, .rreg = xreg, .shift = xshift, \
264 .rshift = xshift, .min = xmin, .max = xmax, \
265 .platform_max = xmax, .invert = xinvert} }
266#define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
267 xhandler_get, xhandler_put, tlv_array) \
268{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
269 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
270 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
271 .tlv.p = (tlv_array), \
272 .info = snd_soc_info_volsw, \
273 .get = xhandler_get, .put = xhandler_put, \
274 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
275 xmax, xinvert, 0) }
276#define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
277 xhandler_get, xhandler_put, tlv_array) \
278{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
279 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
280 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
281 .tlv.p = (tlv_array), \
282 .info = snd_soc_info_volsw, \
283 .get = xhandler_get, .put = xhandler_put, \
284 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
285 xmax, xinvert) }
286#define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
287{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
288 .info = snd_soc_info_bool_ext, \
289 .get = xhandler_get, .put = xhandler_put, \
290 .private_value = xdata }
291#define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
292{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
293 .info = snd_soc_info_enum_double, \
294 .get = xhandler_get, .put = xhandler_put, \
295 .private_value = (unsigned long)&xenum }
296#define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
297 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
298
299#define SND_SOC_BYTES(xname, xbase, xregs) \
300{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
301 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
302 .put = snd_soc_bytes_put, .private_value = \
303 ((unsigned long)&(struct soc_bytes) \
304 {.base = xbase, .num_regs = xregs }) }
305
306#define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \
307{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
308 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
309 .put = snd_soc_bytes_put, .private_value = \
310 ((unsigned long)&(struct soc_bytes) \
311 {.base = xbase, .num_regs = xregs, \
312 .mask = xmask }) }
313
314/*
315 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
316 */
317#define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
318{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
319 .info = snd_soc_bytes_info_ext, \
320 .get = xhandler_get, .put = xhandler_put, \
321 .private_value = (unsigned long)&(struct soc_bytes_ext) \
322 {.max = xcount} }
323#define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
324{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
325 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
326 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
327 .tlv.c = (snd_soc_bytes_tlv_callback), \
328 .info = snd_soc_bytes_info_ext, \
329 .private_value = (unsigned long)&(struct soc_bytes_ext) \
330 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
331#define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
332 xmin, xmax, xinvert) \
333{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
334 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
335 .put = snd_soc_put_xr_sx, \
336 .private_value = (unsigned long)&(struct soc_mreg_control) \
337 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
338 .invert = xinvert, .min = xmin, .max = xmax} }
339
340#define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
341 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
342 snd_soc_get_strobe, snd_soc_put_strobe)
343
344/*
345 * Simplified versions of above macros, declaring a struct and calculating
346 * ARRAY_SIZE internally
347 */
348#define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
349 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
350 ARRAY_SIZE(xtexts), xtexts)
351#define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
352 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
353#define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
354 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
355#define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
356 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
357 ARRAY_SIZE(xtexts), xtexts, xvalues)
358#define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
359 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
360
361#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
362 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
363 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
364
365#define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
366 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
367
368/*
369 * Component probe and remove ordering levels for components with runtime
370 * dependencies.
371 */
372#define SND_SOC_COMP_ORDER_FIRST -2
373#define SND_SOC_COMP_ORDER_EARLY -1
374#define SND_SOC_COMP_ORDER_NORMAL 0
375#define SND_SOC_COMP_ORDER_LATE 1
376#define SND_SOC_COMP_ORDER_LAST 2
377
378/*
379 * Bias levels
380 *
381 * @ON: Bias is fully on for audio playback and capture operations.
382 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
383 * stream start and stop operations.
384 * @STANDBY: Low power standby state when no playback/capture operations are
385 * in progress. NOTE: The transition time between STANDBY and ON
386 * should be as fast as possible and no longer than 10ms.
387 * @OFF: Power Off. No restrictions on transition times.
388 */
389enum snd_soc_bias_level {
390 SND_SOC_BIAS_OFF = 0,
391 SND_SOC_BIAS_STANDBY = 1,
392 SND_SOC_BIAS_PREPARE = 2,
393 SND_SOC_BIAS_ON = 3,
394};
395
396struct device_node;
397struct snd_jack;
398struct snd_soc_card;
399struct snd_soc_pcm_stream;
400struct snd_soc_ops;
401struct snd_soc_pcm_runtime;
402struct snd_soc_dai;
403struct snd_soc_dai_driver;
404struct snd_soc_platform;
405struct snd_soc_dai_link;
406struct snd_soc_platform_driver;
407struct snd_soc_codec;
408struct snd_soc_codec_driver;
409struct snd_soc_component;
410struct snd_soc_component_driver;
411struct soc_enum;
412struct snd_soc_jack;
413struct snd_soc_jack_zone;
414struct snd_soc_jack_pin;
415#include <sound/soc-dapm.h>
416#include <sound/soc-dpcm.h>
417#include <sound/soc-topology.h>
418
419struct snd_soc_jack_gpio;
420
421typedef int (*hw_write_t)(void *,const char* ,int);
422
423enum snd_soc_pcm_subclass {
424 SND_SOC_PCM_CLASS_PCM = 0,
425 SND_SOC_PCM_CLASS_BE = 1,
426};
427
428enum snd_soc_card_subclass {
429 SND_SOC_CARD_CLASS_INIT = 0,
430 SND_SOC_CARD_CLASS_RUNTIME = 1,
431};
432
433int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
434 int source, unsigned int freq, int dir);
435int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
436 unsigned int freq_in, unsigned int freq_out);
437
438int snd_soc_register_card(struct snd_soc_card *card);
439int snd_soc_unregister_card(struct snd_soc_card *card);
440int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
441#ifdef CONFIG_PM_SLEEP
442int snd_soc_suspend(struct device *dev);
443int snd_soc_resume(struct device *dev);
444#else
445static inline int snd_soc_suspend(struct device *dev)
446{
447 return 0;
448}
449
450static inline int snd_soc_resume(struct device *dev)
451{
452 return 0;
453}
454#endif
455int snd_soc_poweroff(struct device *dev);
456int snd_soc_register_platform(struct device *dev,
457 const struct snd_soc_platform_driver *platform_drv);
458int devm_snd_soc_register_platform(struct device *dev,
459 const struct snd_soc_platform_driver *platform_drv);
460void snd_soc_unregister_platform(struct device *dev);
461int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
462 const struct snd_soc_platform_driver *platform_drv);
463void snd_soc_remove_platform(struct snd_soc_platform *platform);
464struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
465int snd_soc_register_codec(struct device *dev,
466 const struct snd_soc_codec_driver *codec_drv,
467 struct snd_soc_dai_driver *dai_drv, int num_dai);
468void snd_soc_unregister_codec(struct device *dev);
469int snd_soc_register_component(struct device *dev,
470 const struct snd_soc_component_driver *cmpnt_drv,
471 struct snd_soc_dai_driver *dai_drv, int num_dai);
472int devm_snd_soc_register_component(struct device *dev,
473 const struct snd_soc_component_driver *cmpnt_drv,
474 struct snd_soc_dai_driver *dai_drv, int num_dai);
475void snd_soc_unregister_component(struct device *dev);
476int snd_soc_cache_init(struct snd_soc_codec *codec);
477int snd_soc_cache_exit(struct snd_soc_codec *codec);
478
479int snd_soc_platform_read(struct snd_soc_platform *platform,
480 unsigned int reg);
481int snd_soc_platform_write(struct snd_soc_platform *platform,
482 unsigned int reg, unsigned int val);
483int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
484#ifdef CONFIG_SND_SOC_COMPRESS
485int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
486#endif
487
488struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
489 const char *dai_link, int stream);
490struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
491 const char *dai_link);
492
493bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
494void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
495void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
496
497int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
498 unsigned int dai_fmt);
499
500int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
501
502/* Utility functions to get clock rates from various things */
503int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
504int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
505int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
506int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
507
508/* set runtime hw params */
509int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
510 const struct snd_pcm_hardware *hw);
511
512int soc_dai_hw_params(struct snd_pcm_substream *substream,
513 struct snd_pcm_hw_params *params,
514 struct snd_soc_dai *dai);
515
516/* Jack reporting */
517int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
518 struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
519 unsigned int num_pins);
520
521void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
522int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
523 struct snd_soc_jack_pin *pins);
524void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
525 struct notifier_block *nb);
526void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
527 struct notifier_block *nb);
528int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
529 struct snd_soc_jack_zone *zones);
530int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
531#ifdef CONFIG_GPIOLIB
532int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
533 struct snd_soc_jack_gpio *gpios);
534int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
535 struct snd_soc_jack *jack,
536 int count, struct snd_soc_jack_gpio *gpios);
537void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
538 struct snd_soc_jack_gpio *gpios);
539#else
540static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
541 struct snd_soc_jack_gpio *gpios)
542{
543 return 0;
544}
545
546static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
547 struct snd_soc_jack *jack,
548 int count,
549 struct snd_soc_jack_gpio *gpios)
550{
551 return 0;
552}
553
554static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
555 struct snd_soc_jack_gpio *gpios)
556{
557}
558#endif
559
560/* codec register bit access */
561int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
562 unsigned int mask, unsigned int value);
563int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
564 unsigned int reg, unsigned int mask,
565 unsigned int value);
566int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
567 unsigned int mask, unsigned int value);
568
569#ifdef CONFIG_SND_SOC_AC97_BUS
570struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec);
571struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
572 unsigned int id, unsigned int id_mask);
573void snd_soc_free_ac97_codec(struct snd_ac97 *ac97);
574
575int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
576int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
577 struct platform_device *pdev);
578
579extern struct snd_ac97_bus_ops *soc_ac97_ops;
580#else
581static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
582 struct platform_device *pdev)
583{
584 return 0;
585}
586
587static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
588{
589 return 0;
590}
591#endif
592
593/*
594 *Controls
595 */
596struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
597 void *data, const char *long_name,
598 const char *prefix);
599struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
600 const char *name);
601int snd_soc_add_component_controls(struct snd_soc_component *component,
602 const struct snd_kcontrol_new *controls, unsigned int num_controls);
603int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
604 const struct snd_kcontrol_new *controls, unsigned int num_controls);
605int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
606 const struct snd_kcontrol_new *controls, unsigned int num_controls);
607int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
608 const struct snd_kcontrol_new *controls, int num_controls);
609int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
610 const struct snd_kcontrol_new *controls, int num_controls);
611int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
612 struct snd_ctl_elem_info *uinfo);
613int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
614 struct snd_ctl_elem_value *ucontrol);
615int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
616 struct snd_ctl_elem_value *ucontrol);
617int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
618 struct snd_ctl_elem_info *uinfo);
619int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
620 struct snd_ctl_elem_info *uinfo);
621#define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
622int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
623 struct snd_ctl_elem_value *ucontrol);
624int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
625 struct snd_ctl_elem_value *ucontrol);
626#define snd_soc_get_volsw_2r snd_soc_get_volsw
627#define snd_soc_put_volsw_2r snd_soc_put_volsw
628int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
629 struct snd_ctl_elem_value *ucontrol);
630int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
631 struct snd_ctl_elem_value *ucontrol);
632int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
633 struct snd_ctl_elem_info *uinfo);
634int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
635 struct snd_ctl_elem_value *ucontrol);
636int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
637 struct snd_ctl_elem_value *ucontrol);
638int snd_soc_limit_volume(struct snd_soc_card *card,
639 const char *name, int max);
640int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
641 struct snd_ctl_elem_info *uinfo);
642int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
643 struct snd_ctl_elem_value *ucontrol);
644int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
645 struct snd_ctl_elem_value *ucontrol);
646int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
647 struct snd_ctl_elem_info *ucontrol);
648int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
649 unsigned int size, unsigned int __user *tlv);
650int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
651 struct snd_ctl_elem_info *uinfo);
652int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
653 struct snd_ctl_elem_value *ucontrol);
654int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
655 struct snd_ctl_elem_value *ucontrol);
656int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
657 struct snd_ctl_elem_value *ucontrol);
658int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
659 struct snd_ctl_elem_value *ucontrol);
660
661/**
662 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
663 *
664 * @pin: name of the pin to update
665 * @mask: bits to check for in reported jack status
666 * @invert: if non-zero then pin is enabled when status is not reported
667 * @list: internal list entry
668 */
669struct snd_soc_jack_pin {
670 struct list_head list;
671 const char *pin;
672 int mask;
673 bool invert;
674};
675
676/**
677 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
678 *
679 * @min_mv: start voltage in mv
680 * @max_mv: end voltage in mv
681 * @jack_type: type of jack that is expected for this voltage
682 * @debounce_time: debounce_time for jack, codec driver should wait for this
683 * duration before reading the adc for voltages
684 * @list: internal list entry
685 */
686struct snd_soc_jack_zone {
687 unsigned int min_mv;
688 unsigned int max_mv;
689 unsigned int jack_type;
690 unsigned int debounce_time;
691 struct list_head list;
692};
693
694/**
695 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
696 *
697 * @gpio: legacy gpio number
698 * @idx: gpio descriptor index within the function of the GPIO
699 * consumer device
700 * @gpiod_dev: GPIO consumer device
701 * @name: gpio name. Also as connection ID for the GPIO consumer
702 * device function name lookup
703 * @report: value to report when jack detected
704 * @invert: report presence in low state
705 * @debounce_time: debounce time in ms
706 * @wake: enable as wake source
707 * @jack_status_check: callback function which overrides the detection
708 * to provide more complex checks (eg, reading an
709 * ADC).
710 */
711struct snd_soc_jack_gpio {
712 unsigned int gpio;
713 unsigned int idx;
714 struct device *gpiod_dev;
715 const char *name;
716 int report;
717 int invert;
718 int debounce_time;
719 bool wake;
720
721 /* private: */
722 struct snd_soc_jack *jack;
723 struct delayed_work work;
724 struct gpio_desc *desc;
725
726 void *data;
727 /* public: */
728 int (*jack_status_check)(void *data);
729};
730
731struct snd_soc_jack {
732 struct mutex mutex;
733 struct snd_jack *jack;
734 struct snd_soc_card *card;
735 struct list_head pins;
736 int status;
737 struct blocking_notifier_head notifier;
738 struct list_head jack_zones;
739};
740
741/* SoC PCM stream information */
742struct snd_soc_pcm_stream {
743 const char *stream_name;
744 u64 formats; /* SNDRV_PCM_FMTBIT_* */
745 unsigned int rates; /* SNDRV_PCM_RATE_* */
746 unsigned int rate_min; /* min rate */
747 unsigned int rate_max; /* max rate */
748 unsigned int channels_min; /* min channels */
749 unsigned int channels_max; /* max channels */
750 unsigned int sig_bits; /* number of bits of content */
751};
752
753/* SoC audio ops */
754struct snd_soc_ops {
755 int (*startup)(struct snd_pcm_substream *);
756 void (*shutdown)(struct snd_pcm_substream *);
757 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
758 int (*hw_free)(struct snd_pcm_substream *);
759 int (*prepare)(struct snd_pcm_substream *);
760 int (*trigger)(struct snd_pcm_substream *, int);
761};
762
763struct snd_soc_compr_ops {
764 int (*startup)(struct snd_compr_stream *);
765 void (*shutdown)(struct snd_compr_stream *);
766 int (*set_params)(struct snd_compr_stream *);
767 int (*trigger)(struct snd_compr_stream *);
768};
769
770/* component interface */
771struct snd_soc_component_driver {
772 const char *name;
773
774 /* Default control and setup, added after probe() is run */
775 const struct snd_kcontrol_new *controls;
776 unsigned int num_controls;
777 const struct snd_soc_dapm_widget *dapm_widgets;
778 unsigned int num_dapm_widgets;
779 const struct snd_soc_dapm_route *dapm_routes;
780 unsigned int num_dapm_routes;
781
782 int (*probe)(struct snd_soc_component *);
783 void (*remove)(struct snd_soc_component *);
784 int (*suspend)(struct snd_soc_component *);
785 int (*resume)(struct snd_soc_component *);
786
787 /* pcm creation and destruction */
788 int (*pcm_new)(struct snd_soc_pcm_runtime *);
789 void (*pcm_free)(struct snd_pcm *);
790
791 /* DT */
792 int (*of_xlate_dai_name)(struct snd_soc_component *component,
793 struct of_phandle_args *args,
794 const char **dai_name);
795 void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
796 int subseq);
797 int (*stream_event)(struct snd_soc_component *, int event);
798
799 /* probe ordering - for components with runtime dependencies */
800 int probe_order;
801 int remove_order;
802};
803
804struct snd_soc_component {
805 const char *name;
806 int id;
807 const char *name_prefix;
808 struct device *dev;
809 struct snd_soc_card *card;
810
811 unsigned int active;
812
813 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
814 unsigned int registered_as_component:1;
815 unsigned int auxiliary:1; /* for auxiliary component of the card */
816 unsigned int suspended:1; /* is in suspend PM state */
817
818 struct list_head list;
819 struct list_head card_aux_list; /* for auxiliary bound components */
820 struct list_head card_list;
821
822 struct snd_soc_dai_driver *dai_drv;
823 int num_dai;
824
825 const struct snd_soc_component_driver *driver;
826
827 struct list_head dai_list;
828
829 int (*read)(struct snd_soc_component *, unsigned int, unsigned int *);
830 int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
831
832 struct regmap *regmap;
833 int val_bytes;
834
835 struct mutex io_mutex;
836
837 /* attached dynamic objects */
838 struct list_head dobj_list;
839
840#ifdef CONFIG_DEBUG_FS
841 struct dentry *debugfs_root;
842#endif
843
844 /*
845 * DO NOT use any of the fields below in drivers, they are temporary and
846 * are going to be removed again soon. If you use them in driver code the
847 * driver will be marked as BROKEN when these fields are removed.
848 */
849
850 /* Don't use these, use snd_soc_component_get_dapm() */
851 struct snd_soc_dapm_context dapm;
852
853 const struct snd_kcontrol_new *controls;
854 unsigned int num_controls;
855 const struct snd_soc_dapm_widget *dapm_widgets;
856 unsigned int num_dapm_widgets;
857 const struct snd_soc_dapm_route *dapm_routes;
858 unsigned int num_dapm_routes;
859 struct snd_soc_codec *codec;
860
861 int (*probe)(struct snd_soc_component *);
862 void (*remove)(struct snd_soc_component *);
863 int (*suspend)(struct snd_soc_component *);
864 int (*resume)(struct snd_soc_component *);
865 int (*pcm_new)(struct snd_soc_pcm_runtime *);
866 void (*pcm_free)(struct snd_pcm *);
867
868 /* machine specific init */
869 int (*init)(struct snd_soc_component *component);
870
871#ifdef CONFIG_DEBUG_FS
872 void (*init_debugfs)(struct snd_soc_component *component);
873 const char *debugfs_prefix;
874#endif
875};
876
877/* SoC Audio Codec device */
878struct snd_soc_codec {
879 struct device *dev;
880 const struct snd_soc_codec_driver *driver;
881
882 struct list_head list;
883
884 /* runtime */
885 unsigned int cache_bypass:1; /* Suppress access to the cache */
886 unsigned int cache_init:1; /* codec cache has been initialized */
887
888 /* codec IO */
889 void *control_data; /* codec control (i2c/3wire) data */
890 hw_write_t hw_write;
891 void *reg_cache;
892
893 /* component */
894 struct snd_soc_component component;
895
896#ifdef CONFIG_DEBUG_FS
897 struct dentry *debugfs_reg;
898#endif
899};
900
901/* codec driver */
902struct snd_soc_codec_driver {
903
904 /* driver ops */
905 int (*probe)(struct snd_soc_codec *);
906 int (*remove)(struct snd_soc_codec *);
907 int (*suspend)(struct snd_soc_codec *);
908 int (*resume)(struct snd_soc_codec *);
909 struct snd_soc_component_driver component_driver;
910
911 /* codec wide operations */
912 int (*set_sysclk)(struct snd_soc_codec *codec,
913 int clk_id, int source, unsigned int freq, int dir);
914 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
915 unsigned int freq_in, unsigned int freq_out);
916
917 /* codec IO */
918 struct regmap *(*get_regmap)(struct device *);
919 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
920 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
921 unsigned int reg_cache_size;
922 short reg_cache_step;
923 short reg_word_size;
924 const void *reg_cache_default;
925
926 /* codec bias level */
927 int (*set_bias_level)(struct snd_soc_codec *,
928 enum snd_soc_bias_level level);
929 bool idle_bias_off;
930 bool suspend_bias_off;
931
932 void (*seq_notifier)(struct snd_soc_dapm_context *,
933 enum snd_soc_dapm_type, int);
934
935 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */
936};
937
938/* SoC platform interface */
939struct snd_soc_platform_driver {
940
941 int (*probe)(struct snd_soc_platform *);
942 int (*remove)(struct snd_soc_platform *);
943 struct snd_soc_component_driver component_driver;
944
945 /* pcm creation and destruction */
946 int (*pcm_new)(struct snd_soc_pcm_runtime *);
947 void (*pcm_free)(struct snd_pcm *);
948
949 /* platform stream pcm ops */
950 const struct snd_pcm_ops *ops;
951
952 /* platform stream compress ops */
953 const struct snd_compr_ops *compr_ops;
954};
955
956struct snd_soc_dai_link_component {
957 const char *name;
958 struct device_node *of_node;
959 const char *dai_name;
960};
961
962struct snd_soc_platform {
963 struct device *dev;
964 const struct snd_soc_platform_driver *driver;
965
966 struct list_head list;
967
968 struct snd_soc_component component;
969};
970
971struct snd_soc_dai_link {
972 /* config - must be set by machine driver */
973 const char *name; /* Codec name */
974 const char *stream_name; /* Stream name */
975 /*
976 * You MAY specify the link's CPU-side device, either by device name,
977 * or by DT/OF node, but not both. If this information is omitted,
978 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
979 * must be globally unique. These fields are currently typically used
980 * only for codec to codec links, or systems using device tree.
981 */
982 const char *cpu_name;
983 struct device_node *cpu_of_node;
984 /*
985 * You MAY specify the DAI name of the CPU DAI. If this information is
986 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
987 * only, which only works well when that device exposes a single DAI.
988 */
989 const char *cpu_dai_name;
990 /*
991 * You MUST specify the link's codec, either by device name, or by
992 * DT/OF node, but not both.
993 */
994 const char *codec_name;
995 struct device_node *codec_of_node;
996 /* You MUST specify the DAI name within the codec */
997 const char *codec_dai_name;
998
999 struct snd_soc_dai_link_component *codecs;
1000 unsigned int num_codecs;
1001
1002 /*
1003 * You MAY specify the link's platform/PCM/DMA driver, either by
1004 * device name, or by DT/OF node, but not both. Some forms of link
1005 * do not need a platform.
1006 */
1007 const char *platform_name;
1008 struct device_node *platform_of_node;
1009 int id; /* optional ID for machine driver link identification */
1010
1011 const struct snd_soc_pcm_stream *params;
1012 unsigned int num_params;
1013
1014 unsigned int dai_fmt; /* format to set on init */
1015
1016 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
1017
1018 /* codec/machine specific init - e.g. add machine controls */
1019 int (*init)(struct snd_soc_pcm_runtime *rtd);
1020
1021 /* optional hw_params re-writing for BE and FE sync */
1022 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
1023 struct snd_pcm_hw_params *params);
1024
1025 /* machine stream operations */
1026 const struct snd_soc_ops *ops;
1027 const struct snd_soc_compr_ops *compr_ops;
1028
1029 /* Mark this pcm with non atomic ops */
1030 bool nonatomic;
1031
1032 /* For unidirectional dai links */
1033 unsigned int playback_only:1;
1034 unsigned int capture_only:1;
1035
1036 /* Keep DAI active over suspend */
1037 unsigned int ignore_suspend:1;
1038
1039 /* Symmetry requirements */
1040 unsigned int symmetric_rates:1;
1041 unsigned int symmetric_channels:1;
1042 unsigned int symmetric_samplebits:1;
1043
1044 /* Do not create a PCM for this DAI link (Backend link) */
1045 unsigned int no_pcm:1;
1046
1047 /* This DAI link can route to other DAI links at runtime (Frontend)*/
1048 unsigned int dynamic:1;
1049
1050 /* DPCM capture and Playback support */
1051 unsigned int dpcm_capture:1;
1052 unsigned int dpcm_playback:1;
1053
1054 /* DPCM used FE & BE merged format */
1055 unsigned int dpcm_merged_format:1;
1056
1057 /* pmdown_time is ignored at stop */
1058 unsigned int ignore_pmdown_time:1;
1059
1060 struct list_head list; /* DAI link list of the soc card */
1061 struct snd_soc_dobj dobj; /* For topology */
1062};
1063
1064struct snd_soc_codec_conf {
1065 /*
1066 * specify device either by device name, or by
1067 * DT/OF node, but not both.
1068 */
1069 const char *dev_name;
1070 struct device_node *of_node;
1071
1072 /*
1073 * optional map of kcontrol, widget and path name prefixes that are
1074 * associated per device
1075 */
1076 const char *name_prefix;
1077};
1078
1079struct snd_soc_aux_dev {
1080 const char *name; /* Codec name */
1081
1082 /*
1083 * specify multi-codec either by device name, or by
1084 * DT/OF node, but not both.
1085 */
1086 const char *codec_name;
1087 struct device_node *codec_of_node;
1088
1089 /* codec/machine specific init - e.g. add machine controls */
1090 int (*init)(struct snd_soc_component *component);
1091};
1092
1093/* SoC card */
1094struct snd_soc_card {
1095 const char *name;
1096 const char *long_name;
1097 const char *driver_name;
1098 char dmi_longname[80];
1099
1100 struct device *dev;
1101 struct snd_card *snd_card;
1102 struct module *owner;
1103
1104 struct mutex mutex;
1105 struct mutex dapm_mutex;
1106
1107 bool instantiated;
1108
1109 int (*probe)(struct snd_soc_card *card);
1110 int (*late_probe)(struct snd_soc_card *card);
1111 int (*remove)(struct snd_soc_card *card);
1112
1113 /* the pre and post PM functions are used to do any PM work before and
1114 * after the codec and DAI's do any PM work. */
1115 int (*suspend_pre)(struct snd_soc_card *card);
1116 int (*suspend_post)(struct snd_soc_card *card);
1117 int (*resume_pre)(struct snd_soc_card *card);
1118 int (*resume_post)(struct snd_soc_card *card);
1119
1120 /* callbacks */
1121 int (*set_bias_level)(struct snd_soc_card *,
1122 struct snd_soc_dapm_context *dapm,
1123 enum snd_soc_bias_level level);
1124 int (*set_bias_level_post)(struct snd_soc_card *,
1125 struct snd_soc_dapm_context *dapm,
1126 enum snd_soc_bias_level level);
1127
1128 int (*add_dai_link)(struct snd_soc_card *,
1129 struct snd_soc_dai_link *link);
1130 void (*remove_dai_link)(struct snd_soc_card *,
1131 struct snd_soc_dai_link *link);
1132
1133 long pmdown_time;
1134
1135 /* CPU <--> Codec DAI links */
1136 struct snd_soc_dai_link *dai_link; /* predefined links only */
1137 int num_links; /* predefined links only */
1138 struct list_head dai_link_list; /* all links */
1139 int num_dai_links;
1140
1141 struct list_head rtd_list;
1142 int num_rtd;
1143
1144 /* optional codec specific configuration */
1145 struct snd_soc_codec_conf *codec_conf;
1146 int num_configs;
1147
1148 /*
1149 * optional auxiliary devices such as amplifiers or codecs with DAI
1150 * link unused
1151 */
1152 struct snd_soc_aux_dev *aux_dev;
1153 int num_aux_devs;
1154 struct list_head aux_comp_list;
1155
1156 const struct snd_kcontrol_new *controls;
1157 int num_controls;
1158
1159 /*
1160 * Card-specific routes and widgets.
1161 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1162 */
1163 const struct snd_soc_dapm_widget *dapm_widgets;
1164 int num_dapm_widgets;
1165 const struct snd_soc_dapm_route *dapm_routes;
1166 int num_dapm_routes;
1167 const struct snd_soc_dapm_widget *of_dapm_widgets;
1168 int num_of_dapm_widgets;
1169 const struct snd_soc_dapm_route *of_dapm_routes;
1170 int num_of_dapm_routes;
1171 bool fully_routed;
1172
1173 struct work_struct deferred_resume_work;
1174
1175 /* lists of probed devices belonging to this card */
1176 struct list_head component_dev_list;
1177
1178 struct list_head widgets;
1179 struct list_head paths;
1180 struct list_head dapm_list;
1181 struct list_head dapm_dirty;
1182
1183 /* attached dynamic objects */
1184 struct list_head dobj_list;
1185
1186 /* Generic DAPM context for the card */
1187 struct snd_soc_dapm_context dapm;
1188 struct snd_soc_dapm_stats dapm_stats;
1189 struct snd_soc_dapm_update *update;
1190
1191#ifdef CONFIG_DEBUG_FS
1192 struct dentry *debugfs_card_root;
1193 struct dentry *debugfs_pop_time;
1194#endif
1195 u32 pop_time;
1196
1197 void *drvdata;
1198};
1199
1200/* SoC machine DAI configuration, glues a codec and cpu DAI together */
1201struct snd_soc_pcm_runtime {
1202 struct device *dev;
1203 struct snd_soc_card *card;
1204 struct snd_soc_dai_link *dai_link;
1205 struct mutex pcm_mutex;
1206 enum snd_soc_pcm_subclass pcm_subclass;
1207 struct snd_pcm_ops ops;
1208
1209 /* Dynamic PCM BE runtime data */
1210 struct snd_soc_dpcm_runtime dpcm[2];
1211 int fe_compr;
1212
1213 long pmdown_time;
1214
1215 /* runtime devices */
1216 struct snd_pcm *pcm;
1217 struct snd_compr *compr;
1218 struct snd_soc_codec *codec;
1219 struct snd_soc_platform *platform;
1220 struct snd_soc_dai *codec_dai;
1221 struct snd_soc_dai *cpu_dai;
1222
1223 struct snd_soc_dai **codec_dais;
1224 unsigned int num_codecs;
1225
1226 struct delayed_work delayed_work;
1227#ifdef CONFIG_DEBUG_FS
1228 struct dentry *debugfs_dpcm_root;
1229 struct dentry *debugfs_dpcm_state;
1230#endif
1231
1232 unsigned int num; /* 0-based and monotonic increasing */
1233 struct list_head list; /* rtd list of the soc card */
1234
1235 /* bit field */
1236 unsigned int dev_registered:1;
1237 unsigned int pop_wait:1;
1238};
1239
1240/* mixer control */
1241struct soc_mixer_control {
1242 int min, max, platform_max;
1243 int reg, rreg;
1244 unsigned int shift, rshift;
1245 unsigned int sign_bit;
1246 unsigned int invert:1;
1247 unsigned int autodisable:1;
1248 struct snd_soc_dobj dobj;
1249};
1250
1251struct soc_bytes {
1252 int base;
1253 int num_regs;
1254 u32 mask;
1255};
1256
1257struct soc_bytes_ext {
1258 int max;
1259 struct snd_soc_dobj dobj;
1260
1261 /* used for TLV byte control */
1262 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1263 unsigned int size);
1264 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1265 unsigned int size);
1266};
1267
1268/* multi register control */
1269struct soc_mreg_control {
1270 long min, max;
1271 unsigned int regbase, regcount, nbits, invert;
1272};
1273
1274/* enumerated kcontrol */
1275struct soc_enum {
1276 int reg;
1277 unsigned char shift_l;
1278 unsigned char shift_r;
1279 unsigned int items;
1280 unsigned int mask;
1281 const char * const *texts;
1282 const unsigned int *values;
1283 unsigned int autodisable:1;
1284 struct snd_soc_dobj dobj;
1285};
1286
1287/**
1288 * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in
1289 * @component: The component to cast to a CODEC
1290 *
1291 * This function must only be used on components that are known to be CODECs.
1292 * Otherwise the behavior is undefined.
1293 */
1294static inline struct snd_soc_codec *snd_soc_component_to_codec(
1295 struct snd_soc_component *component)
1296{
1297 return container_of(component, struct snd_soc_codec, component);
1298}
1299
1300/**
1301 * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
1302 * @component: The component to cast to a platform
1303 *
1304 * This function must only be used on components that are known to be platforms.
1305 * Otherwise the behavior is undefined.
1306 */
1307static inline struct snd_soc_platform *snd_soc_component_to_platform(
1308 struct snd_soc_component *component)
1309{
1310 return container_of(component, struct snd_soc_platform, component);
1311}
1312
1313/**
1314 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1315 * embedded in
1316 * @dapm: The DAPM context to cast to the component
1317 *
1318 * This function must only be used on DAPM contexts that are known to be part of
1319 * a component (e.g. in a component driver). Otherwise the behavior is
1320 * undefined.
1321 */
1322static inline struct snd_soc_component *snd_soc_dapm_to_component(
1323 struct snd_soc_dapm_context *dapm)
1324{
1325 return container_of(dapm, struct snd_soc_component, dapm);
1326}
1327
1328/**
1329 * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
1330 * @dapm: The DAPM context to cast to the CODEC
1331 *
1332 * This function must only be used on DAPM contexts that are known to be part of
1333 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1334 */
1335static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
1336 struct snd_soc_dapm_context *dapm)
1337{
1338 return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm));
1339}
1340
1341/**
1342 * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
1343 * embedded in
1344 * @dapm: The DAPM context to cast to the platform.
1345 *
1346 * This function must only be used on DAPM contexts that are known to be part of
1347 * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
1348 */
1349static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
1350 struct snd_soc_dapm_context *dapm)
1351{
1352 return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
1353}
1354
1355/**
1356 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1357 * component
1358 * @component: The component for which to get the DAPM context
1359 */
1360static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1361 struct snd_soc_component *component)
1362{
1363 return &component->dapm;
1364}
1365
1366/**
1367 * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC
1368 * @codec: The CODEC for which to get the DAPM context
1369 *
1370 * Note: Use this function instead of directly accessing the CODEC's dapm field
1371 */
1372static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm(
1373 struct snd_soc_codec *codec)
1374{
1375 return snd_soc_component_get_dapm(&codec->component);
1376}
1377
1378/**
1379 * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level
1380 * @codec: The CODEC for which to initialize the DAPM bias level
1381 * @level: The DAPM level to initialize to
1382 *
1383 * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level().
1384 */
1385static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec,
1386 enum snd_soc_bias_level level)
1387{
1388 snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level);
1389}
1390
1391/**
1392 * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level
1393 * @codec: The CODEC for which to get the DAPM bias level
1394 *
1395 * Returns: The current DAPM bias level of the CODEC.
1396 */
1397static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level(
1398 struct snd_soc_codec *codec)
1399{
1400 return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec));
1401}
1402
1403/**
1404 * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level
1405 * @codec: The CODEC for which to set the level
1406 * @level: The level to set to
1407 *
1408 * Forces the CODEC bias level to a specific state. See
1409 * snd_soc_dapm_force_bias_level().
1410 */
1411static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec,
1412 enum snd_soc_bias_level level)
1413{
1414 return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec),
1415 level);
1416}
1417
1418/**
1419 * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
1420 * @kcontrol: The kcontrol
1421 *
1422 * This function must only be used on DAPM contexts that are known to be part of
1423 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1424 */
1425static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(
1426 struct snd_kcontrol *kcontrol)
1427{
1428 return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol));
1429}
1430
1431/* codec IO */
1432unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1433int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
1434 unsigned int val);
1435
1436/**
1437 * snd_soc_cache_sync() - Sync the register cache with the hardware
1438 * @codec: CODEC to sync
1439 *
1440 * Note: This function will call regcache_sync()
1441 */
1442static inline int snd_soc_cache_sync(struct snd_soc_codec *codec)
1443{
1444 return regcache_sync(codec->component.regmap);
1445}
1446
1447/* component IO */
1448int snd_soc_component_read(struct snd_soc_component *component,
1449 unsigned int reg, unsigned int *val);
1450int snd_soc_component_write(struct snd_soc_component *component,
1451 unsigned int reg, unsigned int val);
1452int snd_soc_component_update_bits(struct snd_soc_component *component,
1453 unsigned int reg, unsigned int mask, unsigned int val);
1454int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1455 unsigned int reg, unsigned int mask, unsigned int val);
1456void snd_soc_component_async_complete(struct snd_soc_component *component);
1457int snd_soc_component_test_bits(struct snd_soc_component *component,
1458 unsigned int reg, unsigned int mask, unsigned int value);
1459
1460#ifdef CONFIG_REGMAP
1461
1462void snd_soc_component_init_regmap(struct snd_soc_component *component,
1463 struct regmap *regmap);
1464void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1465
1466/**
1467 * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC
1468 * @codec: The CODEC for which to initialize the regmap instance
1469 * @regmap: The regmap instance that should be used by the CODEC
1470 *
1471 * This function allows deferred assignment of the regmap instance that is
1472 * associated with the CODEC. Only use this if the regmap instance is not yet
1473 * ready when the CODEC is registered. The function must also be called before
1474 * the first IO attempt of the CODEC.
1475 */
1476static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec,
1477 struct regmap *regmap)
1478{
1479 snd_soc_component_init_regmap(&codec->component, regmap);
1480}
1481
1482/**
1483 * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC
1484 * @codec: The CODEC for which to de-initialize the regmap instance
1485 *
1486 * Calls regmap_exit() on the regmap instance associated to the CODEC and
1487 * removes the regmap instance from the CODEC.
1488 *
1489 * This function should only be used if snd_soc_codec_init_regmap() was used to
1490 * initialize the regmap instance.
1491 */
1492static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec)
1493{
1494 snd_soc_component_exit_regmap(&codec->component);
1495}
1496
1497#endif
1498
1499/* device driver data */
1500
1501static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1502 void *data)
1503{
1504 card->drvdata = data;
1505}
1506
1507static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1508{
1509 return card->drvdata;
1510}
1511
1512static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1513 void *data)
1514{
1515 dev_set_drvdata(c->dev, data);
1516}
1517
1518static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1519{
1520 return dev_get_drvdata(c->dev);
1521}
1522
1523static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1524 void *data)
1525{
1526 snd_soc_component_set_drvdata(&codec->component, data);
1527}
1528
1529static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1530{
1531 return snd_soc_component_get_drvdata(&codec->component);
1532}
1533
1534static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1535 void *data)
1536{
1537 snd_soc_component_set_drvdata(&platform->component, data);
1538}
1539
1540static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1541{
1542 return snd_soc_component_get_drvdata(&platform->component);
1543}
1544
1545static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1546{
1547 INIT_LIST_HEAD(&card->widgets);
1548 INIT_LIST_HEAD(&card->paths);
1549 INIT_LIST_HEAD(&card->dapm_list);
1550 INIT_LIST_HEAD(&card->aux_comp_list);
1551 INIT_LIST_HEAD(&card->component_dev_list);
1552}
1553
1554static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1555{
1556 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1557 return 0;
1558 /*
1559 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1560 * mc->reg != mc->rreg means that the control is
1561 * stereo (bits in one register or in two registers)
1562 */
1563 return 1;
1564}
1565
1566static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1567 unsigned int val)
1568{
1569 unsigned int i;
1570
1571 if (!e->values)
1572 return val;
1573
1574 for (i = 0; i < e->items; i++)
1575 if (val == e->values[i])
1576 return i;
1577
1578 return 0;
1579}
1580
1581static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1582 unsigned int item)
1583{
1584 if (!e->values)
1585 return item;
1586
1587 return e->values[item];
1588}
1589
1590static inline bool snd_soc_component_is_active(
1591 struct snd_soc_component *component)
1592{
1593 return component->active != 0;
1594}
1595
1596static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
1597{
1598 return snd_soc_component_is_active(&codec->component);
1599}
1600
1601/**
1602 * snd_soc_kcontrol_component() - Returns the component that registered the
1603 * control
1604 * @kcontrol: The control for which to get the component
1605 *
1606 * Note: This function will work correctly if the control has been registered
1607 * for a component. Either with snd_soc_add_codec_controls() or
1608 * snd_soc_add_platform_controls() or via table based setup for either a
1609 * CODEC, a platform or component driver. Otherwise the behavior is undefined.
1610 */
1611static inline struct snd_soc_component *snd_soc_kcontrol_component(
1612 struct snd_kcontrol *kcontrol)
1613{
1614 return snd_kcontrol_chip(kcontrol);
1615}
1616
1617/**
1618 * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control
1619 * @kcontrol: The control for which to get the CODEC
1620 *
1621 * Note: This function will only work correctly if the control has been
1622 * registered with snd_soc_add_codec_controls() or via table based setup of
1623 * snd_soc_codec_driver. Otherwise the behavior is undefined.
1624 */
1625static inline struct snd_soc_codec *snd_soc_kcontrol_codec(
1626 struct snd_kcontrol *kcontrol)
1627{
1628 return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
1629}
1630
1631/**
1632 * snd_soc_kcontrol_platform() - Returns the platform that registered the control
1633 * @kcontrol: The control for which to get the platform
1634 *
1635 * Note: This function will only work correctly if the control has been
1636 * registered with snd_soc_add_platform_controls() or via table based setup of
1637 * a snd_soc_platform_driver. Otherwise the behavior is undefined.
1638 */
1639static inline struct snd_soc_platform *snd_soc_kcontrol_platform(
1640 struct snd_kcontrol *kcontrol)
1641{
1642 return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
1643}
1644
1645int snd_soc_util_init(void);
1646void snd_soc_util_exit(void);
1647
1648int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1649 const char *propname);
1650int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1651 const char *propname);
1652int snd_soc_of_parse_tdm_slot(struct device_node *np,
1653 unsigned int *tx_mask,
1654 unsigned int *rx_mask,
1655 unsigned int *slots,
1656 unsigned int *slot_width);
1657void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1658 struct snd_soc_codec_conf *codec_conf,
1659 struct device_node *of_node,
1660 const char *propname);
1661int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1662 const char *propname);
1663unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1664 const char *prefix,
1665 struct device_node **bitclkmaster,
1666 struct device_node **framemaster);
1667int snd_soc_get_dai_name(struct of_phandle_args *args,
1668 const char **dai_name);
1669int snd_soc_of_get_dai_name(struct device_node *of_node,
1670 const char **dai_name);
1671int snd_soc_of_get_dai_link_codecs(struct device *dev,
1672 struct device_node *of_node,
1673 struct snd_soc_dai_link *dai_link);
1674
1675int snd_soc_add_dai_link(struct snd_soc_card *card,
1676 struct snd_soc_dai_link *dai_link);
1677void snd_soc_remove_dai_link(struct snd_soc_card *card,
1678 struct snd_soc_dai_link *dai_link);
1679struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1680 int id, const char *name,
1681 const char *stream_name);
1682
1683int snd_soc_register_dai(struct snd_soc_component *component,
1684 struct snd_soc_dai_driver *dai_drv);
1685
1686struct snd_soc_dai *snd_soc_find_dai(
1687 const struct snd_soc_dai_link_component *dlc);
1688
1689#include <sound/soc-dai.h>
1690
1691#ifdef CONFIG_DEBUG_FS
1692extern struct dentry *snd_soc_debugfs_root;
1693#endif
1694
1695extern const struct dev_pm_ops snd_soc_pm_ops;
1696
1697/* Helper functions */
1698static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1699{
1700 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1701}
1702
1703static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1704{
1705 mutex_unlock(&dapm->card->dapm_mutex);
1706}
1707
1708int snd_soc_component_enable_pin(struct snd_soc_component *component,
1709 const char *pin);
1710int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1711 const char *pin);
1712int snd_soc_component_disable_pin(struct snd_soc_component *component,
1713 const char *pin);
1714int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1715 const char *pin);
1716int snd_soc_component_nc_pin(struct snd_soc_component *component,
1717 const char *pin);
1718int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1719 const char *pin);
1720int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1721 const char *pin);
1722int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1723 const char *pin);
1724int snd_soc_component_force_enable_pin_unlocked(
1725 struct snd_soc_component *component,
1726 const char *pin);
1727
1728#endif