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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 * Bias levels
367 *
368 * @ON: Bias is fully on for audio playback and capture operations.
369 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
370 * stream start and stop operations.
371 * @STANDBY: Low power standby state when no playback/capture operations are
372 * in progress. NOTE: The transition time between STANDBY and ON
373 * should be as fast as possible and no longer than 10ms.
374 * @OFF: Power Off. No restrictions on transition times.
375 */
376enum snd_soc_bias_level {
377 SND_SOC_BIAS_OFF = 0,
378 SND_SOC_BIAS_STANDBY = 1,
379 SND_SOC_BIAS_PREPARE = 2,
380 SND_SOC_BIAS_ON = 3,
381};
382
383struct device_node;
384struct snd_jack;
385struct snd_soc_card;
386struct snd_soc_pcm_stream;
387struct snd_soc_ops;
388struct snd_soc_pcm_runtime;
389struct snd_soc_dai;
390struct snd_soc_dai_driver;
391struct snd_soc_dai_link;
392struct snd_soc_component;
393struct snd_soc_component_driver;
394struct soc_enum;
395struct snd_soc_jack;
396struct snd_soc_jack_zone;
397struct snd_soc_jack_pin;
398#include <sound/soc-dapm.h>
399#include <sound/soc-dpcm.h>
400#include <sound/soc-topology.h>
401
402struct snd_soc_jack_gpio;
403
404typedef int (*hw_write_t)(void *,const char* ,int);
405
406enum snd_soc_pcm_subclass {
407 SND_SOC_PCM_CLASS_PCM = 0,
408 SND_SOC_PCM_CLASS_BE = 1,
409};
410
411enum snd_soc_card_subclass {
412 SND_SOC_CARD_CLASS_INIT = 0,
413 SND_SOC_CARD_CLASS_RUNTIME = 1,
414};
415
416int snd_soc_register_card(struct snd_soc_card *card);
417int snd_soc_unregister_card(struct snd_soc_card *card);
418int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
419#ifdef CONFIG_PM_SLEEP
420int snd_soc_suspend(struct device *dev);
421int snd_soc_resume(struct device *dev);
422#else
423static inline int snd_soc_suspend(struct device *dev)
424{
425 return 0;
426}
427
428static inline int snd_soc_resume(struct device *dev)
429{
430 return 0;
431}
432#endif
433int snd_soc_poweroff(struct device *dev);
434int snd_soc_add_component(struct device *dev,
435 struct snd_soc_component *component,
436 const struct snd_soc_component_driver *component_driver,
437 struct snd_soc_dai_driver *dai_drv,
438 int num_dai);
439int snd_soc_register_component(struct device *dev,
440 const struct snd_soc_component_driver *component_driver,
441 struct snd_soc_dai_driver *dai_drv, int num_dai);
442int devm_snd_soc_register_component(struct device *dev,
443 const struct snd_soc_component_driver *component_driver,
444 struct snd_soc_dai_driver *dai_drv, int num_dai);
445void snd_soc_unregister_component(struct device *dev);
446struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
447 const char *driver_name);
448
449int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
450#ifdef CONFIG_SND_SOC_COMPRESS
451int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
452#else
453static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
454{
455 return 0;
456}
457#endif
458
459void snd_soc_disconnect_sync(struct device *dev);
460
461struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
462 const char *dai_link, int stream);
463struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
464 const char *dai_link);
465
466bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
467void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
468void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
469
470int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
471 unsigned int dai_fmt);
472
473#ifdef CONFIG_DMI
474int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
475#else
476static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
477 const char *flavour)
478{
479 return 0;
480}
481#endif
482
483/* Utility functions to get clock rates from various things */
484int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
485int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
486int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
487int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
488
489/* set runtime hw params */
490int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
491 const struct snd_pcm_hardware *hw);
492
493/* Jack reporting */
494int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
495 struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
496 unsigned int num_pins);
497
498void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
499int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
500 struct snd_soc_jack_pin *pins);
501void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
502 struct notifier_block *nb);
503void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
504 struct notifier_block *nb);
505int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
506 struct snd_soc_jack_zone *zones);
507int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
508#ifdef CONFIG_GPIOLIB
509int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
510 struct snd_soc_jack_gpio *gpios);
511int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
512 struct snd_soc_jack *jack,
513 int count, struct snd_soc_jack_gpio *gpios);
514void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
515 struct snd_soc_jack_gpio *gpios);
516#else
517static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
518 struct snd_soc_jack_gpio *gpios)
519{
520 return 0;
521}
522
523static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
524 struct snd_soc_jack *jack,
525 int count,
526 struct snd_soc_jack_gpio *gpios)
527{
528 return 0;
529}
530
531static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
532 struct snd_soc_jack_gpio *gpios)
533{
534}
535#endif
536
537struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
538struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
539 unsigned int id, unsigned int id_mask);
540void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
541
542#ifdef CONFIG_SND_SOC_AC97_BUS
543int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
544int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
545 struct platform_device *pdev);
546
547extern struct snd_ac97_bus_ops *soc_ac97_ops;
548#else
549static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
550 struct platform_device *pdev)
551{
552 return 0;
553}
554
555static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
556{
557 return 0;
558}
559#endif
560
561/*
562 *Controls
563 */
564struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
565 void *data, const char *long_name,
566 const char *prefix);
567struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
568 const char *name);
569int snd_soc_add_component_controls(struct snd_soc_component *component,
570 const struct snd_kcontrol_new *controls, unsigned int num_controls);
571int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
572 const struct snd_kcontrol_new *controls, int num_controls);
573int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
574 const struct snd_kcontrol_new *controls, int num_controls);
575int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
576 struct snd_ctl_elem_info *uinfo);
577int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
578 struct snd_ctl_elem_value *ucontrol);
579int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
580 struct snd_ctl_elem_value *ucontrol);
581int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
582 struct snd_ctl_elem_info *uinfo);
583int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
584 struct snd_ctl_elem_info *uinfo);
585#define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
586int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
587 struct snd_ctl_elem_value *ucontrol);
588int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
589 struct snd_ctl_elem_value *ucontrol);
590#define snd_soc_get_volsw_2r snd_soc_get_volsw
591#define snd_soc_put_volsw_2r snd_soc_put_volsw
592int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
593 struct snd_ctl_elem_value *ucontrol);
594int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
595 struct snd_ctl_elem_value *ucontrol);
596int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
597 struct snd_ctl_elem_info *uinfo);
598int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
599 struct snd_ctl_elem_value *ucontrol);
600int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
601 struct snd_ctl_elem_value *ucontrol);
602int snd_soc_limit_volume(struct snd_soc_card *card,
603 const char *name, int max);
604int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
605 struct snd_ctl_elem_info *uinfo);
606int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
607 struct snd_ctl_elem_value *ucontrol);
608int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
609 struct snd_ctl_elem_value *ucontrol);
610int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
611 struct snd_ctl_elem_info *ucontrol);
612int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
613 unsigned int size, unsigned int __user *tlv);
614int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
615 struct snd_ctl_elem_info *uinfo);
616int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
617 struct snd_ctl_elem_value *ucontrol);
618int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
619 struct snd_ctl_elem_value *ucontrol);
620int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
621 struct snd_ctl_elem_value *ucontrol);
622int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
623 struct snd_ctl_elem_value *ucontrol);
624
625/**
626 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
627 *
628 * @pin: name of the pin to update
629 * @mask: bits to check for in reported jack status
630 * @invert: if non-zero then pin is enabled when status is not reported
631 * @list: internal list entry
632 */
633struct snd_soc_jack_pin {
634 struct list_head list;
635 const char *pin;
636 int mask;
637 bool invert;
638};
639
640/**
641 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
642 *
643 * @min_mv: start voltage in mv
644 * @max_mv: end voltage in mv
645 * @jack_type: type of jack that is expected for this voltage
646 * @debounce_time: debounce_time for jack, codec driver should wait for this
647 * duration before reading the adc for voltages
648 * @list: internal list entry
649 */
650struct snd_soc_jack_zone {
651 unsigned int min_mv;
652 unsigned int max_mv;
653 unsigned int jack_type;
654 unsigned int debounce_time;
655 struct list_head list;
656};
657
658/**
659 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
660 *
661 * @gpio: legacy gpio number
662 * @idx: gpio descriptor index within the function of the GPIO
663 * consumer device
664 * @gpiod_dev: GPIO consumer device
665 * @name: gpio name. Also as connection ID for the GPIO consumer
666 * device function name lookup
667 * @report: value to report when jack detected
668 * @invert: report presence in low state
669 * @debounce_time: debounce time in ms
670 * @wake: enable as wake source
671 * @jack_status_check: callback function which overrides the detection
672 * to provide more complex checks (eg, reading an
673 * ADC).
674 */
675struct snd_soc_jack_gpio {
676 unsigned int gpio;
677 unsigned int idx;
678 struct device *gpiod_dev;
679 const char *name;
680 int report;
681 int invert;
682 int debounce_time;
683 bool wake;
684
685 /* private: */
686 struct snd_soc_jack *jack;
687 struct delayed_work work;
688 struct notifier_block pm_notifier;
689 struct gpio_desc *desc;
690
691 void *data;
692 /* public: */
693 int (*jack_status_check)(void *data);
694};
695
696struct snd_soc_jack {
697 struct mutex mutex;
698 struct snd_jack *jack;
699 struct snd_soc_card *card;
700 struct list_head pins;
701 int status;
702 struct blocking_notifier_head notifier;
703 struct list_head jack_zones;
704};
705
706/* SoC PCM stream information */
707struct snd_soc_pcm_stream {
708 const char *stream_name;
709 u64 formats; /* SNDRV_PCM_FMTBIT_* */
710 unsigned int rates; /* SNDRV_PCM_RATE_* */
711 unsigned int rate_min; /* min rate */
712 unsigned int rate_max; /* max rate */
713 unsigned int channels_min; /* min channels */
714 unsigned int channels_max; /* max channels */
715 unsigned int sig_bits; /* number of bits of content */
716};
717
718/* SoC audio ops */
719struct snd_soc_ops {
720 int (*startup)(struct snd_pcm_substream *);
721 void (*shutdown)(struct snd_pcm_substream *);
722 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
723 int (*hw_free)(struct snd_pcm_substream *);
724 int (*prepare)(struct snd_pcm_substream *);
725 int (*trigger)(struct snd_pcm_substream *, int);
726};
727
728struct snd_soc_compr_ops {
729 int (*startup)(struct snd_compr_stream *);
730 void (*shutdown)(struct snd_compr_stream *);
731 int (*set_params)(struct snd_compr_stream *);
732 int (*trigger)(struct snd_compr_stream *);
733};
734
735struct snd_soc_rtdcom_list {
736 struct snd_soc_component *component;
737 struct list_head list; /* rtd::component_list */
738};
739struct snd_soc_component*
740snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
741 const char *driver_name);
742#define for_each_rtdcom(rtd, rtdcom) \
743 list_for_each_entry(rtdcom, &(rtd)->component_list, list)
744#define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \
745 list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list)
746
747struct snd_soc_dai_link_component {
748 const char *name;
749 struct device_node *of_node;
750 const char *dai_name;
751};
752
753struct snd_soc_dai_link {
754 /* config - must be set by machine driver */
755 const char *name; /* Codec name */
756 const char *stream_name; /* Stream name */
757
758 /*
759 * You MAY specify the link's CPU-side device, either by device name,
760 * or by DT/OF node, but not both. If this information is omitted,
761 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
762 * must be globally unique. These fields are currently typically used
763 * only for codec to codec links, or systems using device tree.
764 */
765 /*
766 * You MAY specify the DAI name of the CPU DAI. If this information is
767 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
768 * only, which only works well when that device exposes a single DAI.
769 */
770 struct snd_soc_dai_link_component *cpus;
771 unsigned int num_cpus;
772
773 /*
774 * You MUST specify the link's codec, either by device name, or by
775 * DT/OF node, but not both.
776 */
777 /* You MUST specify the DAI name within the codec */
778 struct snd_soc_dai_link_component *codecs;
779 unsigned int num_codecs;
780
781 /*
782 * You MAY specify the link's platform/PCM/DMA driver, either by
783 * device name, or by DT/OF node, but not both. Some forms of link
784 * do not need a platform. In such case, platforms are not mandatory.
785 */
786 struct snd_soc_dai_link_component *platforms;
787 unsigned int num_platforms;
788
789 int id; /* optional ID for machine driver link identification */
790
791 const struct snd_soc_pcm_stream *params;
792 unsigned int num_params;
793
794 unsigned int dai_fmt; /* format to set on init */
795
796 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
797
798 /* codec/machine specific init - e.g. add machine controls */
799 int (*init)(struct snd_soc_pcm_runtime *rtd);
800
801 /* optional hw_params re-writing for BE and FE sync */
802 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
803 struct snd_pcm_hw_params *params);
804
805 /* machine stream operations */
806 const struct snd_soc_ops *ops;
807 const struct snd_soc_compr_ops *compr_ops;
808
809 /* Mark this pcm with non atomic ops */
810 bool nonatomic;
811
812 /* For unidirectional dai links */
813 unsigned int playback_only:1;
814 unsigned int capture_only:1;
815
816 /* Keep DAI active over suspend */
817 unsigned int ignore_suspend:1;
818
819 /* Symmetry requirements */
820 unsigned int symmetric_rates:1;
821 unsigned int symmetric_channels:1;
822 unsigned int symmetric_samplebits:1;
823
824 /* Do not create a PCM for this DAI link (Backend link) */
825 unsigned int no_pcm:1;
826
827 /* This DAI link can route to other DAI links at runtime (Frontend)*/
828 unsigned int dynamic:1;
829
830 /* DPCM capture and Playback support */
831 unsigned int dpcm_capture:1;
832 unsigned int dpcm_playback:1;
833
834 /* DPCM used FE & BE merged format */
835 unsigned int dpcm_merged_format:1;
836 /* DPCM used FE & BE merged channel */
837 unsigned int dpcm_merged_chan:1;
838 /* DPCM used FE & BE merged rate */
839 unsigned int dpcm_merged_rate:1;
840
841 /* pmdown_time is ignored at stop */
842 unsigned int ignore_pmdown_time:1;
843
844 /* Do not create a PCM for this DAI link (Backend link) */
845 unsigned int ignore:1;
846
847 struct list_head list; /* DAI link list of the soc card */
848 struct snd_soc_dobj dobj; /* For topology */
849};
850#define for_each_link_codecs(link, i, codec) \
851 for ((i) = 0; \
852 ((i) < link->num_codecs) && ((codec) = &link->codecs[i]); \
853 (i)++)
854
855#define for_each_link_platforms(link, i, platform) \
856 for ((i) = 0; \
857 ((i) < link->num_platforms) && \
858 ((platform) = &link->platforms[i]); \
859 (i)++)
860
861/*
862 * Sample 1 : Single CPU/Codec/Platform
863 *
864 * SND_SOC_DAILINK_DEFS(test,
865 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")),
866 * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")),
867 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
868 *
869 * struct snd_soc_dai_link link = {
870 * ...
871 * SND_SOC_DAILINK_REG(test),
872 * };
873 *
874 * Sample 2 : Multi CPU/Codec, no Platform
875 *
876 * SND_SOC_DAILINK_DEFS(test,
877 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
878 * COMP_CPU("cpu_dai2")),
879 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
880 * COMP_CODEC("codec2", "codec_dai2")));
881 *
882 * struct snd_soc_dai_link link = {
883 * ...
884 * SND_SOC_DAILINK_REG(test),
885 * };
886 *
887 * Sample 3 : Define each CPU/Codec/Platform manually
888 *
889 * SND_SOC_DAILINK_DEF(test_cpu,
890 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
891 * COMP_CPU("cpu_dai2")));
892 * SND_SOC_DAILINK_DEF(test_codec,
893 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
894 * COMP_CODEC("codec2", "codec_dai2")));
895 * SND_SOC_DAILINK_DEF(test_platform,
896 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
897 *
898 * struct snd_soc_dai_link link = {
899 * ...
900 * SND_SOC_DAILINK_REG(test_cpu,
901 * test_codec,
902 * test_platform),
903 * };
904 *
905 * Sample 4 : Sample3 without platform
906 *
907 * struct snd_soc_dai_link link = {
908 * ...
909 * SND_SOC_DAILINK_REG(test_cpu,
910 * test_codec);
911 * };
912 */
913
914#define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms)
915#define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component)
916#define SND_SOC_DAILINK_REG3(cpu, codec, platform) \
917 .cpus = cpu, \
918 .num_cpus = ARRAY_SIZE(cpu), \
919 .codecs = codec, \
920 .num_codecs = ARRAY_SIZE(codec), \
921 .platforms = platform, \
922 .num_platforms = ARRAY_SIZE(platform)
923
924#define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func
925#define SND_SOC_DAILINK_REG(...) \
926 SND_SOC_DAILINK_REGx(__VA_ARGS__, \
927 SND_SOC_DAILINK_REG3, \
928 SND_SOC_DAILINK_REG2, \
929 SND_SOC_DAILINK_REG1)(__VA_ARGS__)
930
931#define SND_SOC_DAILINK_DEF(name, def...) \
932 static struct snd_soc_dai_link_component name[] = { def }
933
934#define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \
935 SND_SOC_DAILINK_DEF(name##_cpus, cpu); \
936 SND_SOC_DAILINK_DEF(name##_codecs, codec); \
937 SND_SOC_DAILINK_DEF(name##_platforms, platform)
938
939#define DAILINK_COMP_ARRAY(param...) param
940#define COMP_EMPTY() { }
941#define COMP_CPU(_dai) { .dai_name = _dai, }
942#define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, }
943#define COMP_PLATFORM(_name) { .name = _name }
944#define COMP_AUX(_name) { .name = _name }
945#define COMP_DUMMY() { .name = "snd-soc-dummy", .dai_name = "snd-soc-dummy-dai", }
946
947extern struct snd_soc_dai_link_component null_dailink_component[0];
948
949
950struct snd_soc_codec_conf {
951 /*
952 * specify device either by device name, or by
953 * DT/OF node, but not both.
954 */
955 const char *dev_name;
956 struct device_node *of_node;
957
958 /*
959 * optional map of kcontrol, widget and path name prefixes that are
960 * associated per device
961 */
962 const char *name_prefix;
963};
964
965struct snd_soc_aux_dev {
966 /*
967 * specify multi-codec either by device name, or by
968 * DT/OF node, but not both.
969 */
970 struct snd_soc_dai_link_component dlc;
971
972 /* codec/machine specific init - e.g. add machine controls */
973 int (*init)(struct snd_soc_component *component);
974};
975
976/* SoC card */
977struct snd_soc_card {
978 const char *name;
979 const char *long_name;
980 const char *driver_name;
981 char dmi_longname[80];
982 char topology_shortname[32];
983
984 struct device *dev;
985 struct snd_card *snd_card;
986 struct module *owner;
987
988 struct mutex mutex;
989 struct mutex dapm_mutex;
990
991 /* Mutex for PCM operations */
992 struct mutex pcm_mutex;
993 enum snd_soc_pcm_subclass pcm_subclass;
994
995 spinlock_t dpcm_lock;
996
997 bool instantiated;
998 bool topology_shortname_created;
999
1000 int (*probe)(struct snd_soc_card *card);
1001 int (*late_probe)(struct snd_soc_card *card);
1002 int (*remove)(struct snd_soc_card *card);
1003
1004 /* the pre and post PM functions are used to do any PM work before and
1005 * after the codec and DAI's do any PM work. */
1006 int (*suspend_pre)(struct snd_soc_card *card);
1007 int (*suspend_post)(struct snd_soc_card *card);
1008 int (*resume_pre)(struct snd_soc_card *card);
1009 int (*resume_post)(struct snd_soc_card *card);
1010
1011 /* callbacks */
1012 int (*set_bias_level)(struct snd_soc_card *,
1013 struct snd_soc_dapm_context *dapm,
1014 enum snd_soc_bias_level level);
1015 int (*set_bias_level_post)(struct snd_soc_card *,
1016 struct snd_soc_dapm_context *dapm,
1017 enum snd_soc_bias_level level);
1018
1019 int (*add_dai_link)(struct snd_soc_card *,
1020 struct snd_soc_dai_link *link);
1021 void (*remove_dai_link)(struct snd_soc_card *,
1022 struct snd_soc_dai_link *link);
1023
1024 long pmdown_time;
1025
1026 /* CPU <--> Codec DAI links */
1027 struct snd_soc_dai_link *dai_link; /* predefined links only */
1028 int num_links; /* predefined links only */
1029 struct list_head dai_link_list; /* all links */
1030
1031 struct list_head rtd_list;
1032 int num_rtd;
1033
1034 /* optional codec specific configuration */
1035 struct snd_soc_codec_conf *codec_conf;
1036 int num_configs;
1037
1038 /*
1039 * optional auxiliary devices such as amplifiers or codecs with DAI
1040 * link unused
1041 */
1042 struct snd_soc_aux_dev *aux_dev;
1043 int num_aux_devs;
1044 struct list_head aux_comp_list;
1045
1046 const struct snd_kcontrol_new *controls;
1047 int num_controls;
1048
1049 /*
1050 * Card-specific routes and widgets.
1051 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1052 */
1053 const struct snd_soc_dapm_widget *dapm_widgets;
1054 int num_dapm_widgets;
1055 const struct snd_soc_dapm_route *dapm_routes;
1056 int num_dapm_routes;
1057 const struct snd_soc_dapm_widget *of_dapm_widgets;
1058 int num_of_dapm_widgets;
1059 const struct snd_soc_dapm_route *of_dapm_routes;
1060 int num_of_dapm_routes;
1061 bool fully_routed;
1062
1063 /* lists of probed devices belonging to this card */
1064 struct list_head component_dev_list;
1065 struct list_head list;
1066
1067 struct list_head widgets;
1068 struct list_head paths;
1069 struct list_head dapm_list;
1070 struct list_head dapm_dirty;
1071
1072 /* attached dynamic objects */
1073 struct list_head dobj_list;
1074
1075 /* Generic DAPM context for the card */
1076 struct snd_soc_dapm_context dapm;
1077 struct snd_soc_dapm_stats dapm_stats;
1078 struct snd_soc_dapm_update *update;
1079
1080#ifdef CONFIG_DEBUG_FS
1081 struct dentry *debugfs_card_root;
1082#endif
1083#ifdef CONFIG_PM_SLEEP
1084 struct work_struct deferred_resume_work;
1085#endif
1086 u32 pop_time;
1087
1088 void *drvdata;
1089};
1090#define for_each_card_prelinks(card, i, link) \
1091 for ((i) = 0; \
1092 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
1093 (i)++)
1094#define for_each_card_pre_auxs(card, i, aux) \
1095 for ((i) = 0; \
1096 ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \
1097 (i)++)
1098
1099#define for_each_card_links(card, link) \
1100 list_for_each_entry(link, &(card)->dai_link_list, list)
1101#define for_each_card_links_safe(card, link, _link) \
1102 list_for_each_entry_safe(link, _link, &(card)->dai_link_list, list)
1103
1104#define for_each_card_rtds(card, rtd) \
1105 list_for_each_entry(rtd, &(card)->rtd_list, list)
1106#define for_each_card_rtds_safe(card, rtd, _rtd) \
1107 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1108
1109#define for_each_card_auxs(card, component) \
1110 list_for_each_entry(component, &card->aux_comp_list, card_aux_list)
1111#define for_each_card_auxs_safe(card, component, _comp) \
1112 list_for_each_entry_safe(component, _comp, \
1113 &card->aux_comp_list, card_aux_list)
1114
1115#define for_each_card_components(card, component) \
1116 list_for_each_entry(component, &(card)->component_dev_list, card_list)
1117
1118/* SoC machine DAI configuration, glues a codec and cpu DAI together */
1119struct snd_soc_pcm_runtime {
1120 struct device *dev;
1121 struct snd_soc_card *card;
1122 struct snd_soc_dai_link *dai_link;
1123 struct snd_pcm_ops ops;
1124
1125 unsigned int params_select; /* currently selected param for dai link */
1126
1127 /* Dynamic PCM BE runtime data */
1128 struct snd_soc_dpcm_runtime dpcm[2];
1129
1130 long pmdown_time;
1131
1132 /* runtime devices */
1133 struct snd_pcm *pcm;
1134 struct snd_compr *compr;
1135 struct snd_soc_dai *codec_dai;
1136 struct snd_soc_dai *cpu_dai;
1137
1138 struct snd_soc_dai **codec_dais;
1139 unsigned int num_codecs;
1140
1141 struct delayed_work delayed_work;
1142#ifdef CONFIG_DEBUG_FS
1143 struct dentry *debugfs_dpcm_root;
1144#endif
1145
1146 unsigned int num; /* 0-based and monotonic increasing */
1147 struct list_head list; /* rtd list of the soc card */
1148 struct list_head component_list; /* list of connected components */
1149
1150 /* bit field */
1151 unsigned int dev_registered:1;
1152 unsigned int pop_wait:1;
1153 unsigned int fe_compr:1; /* for Dynamic PCM */
1154};
1155#define for_each_rtd_codec_dai(rtd, i, dai)\
1156 for ((i) = 0; \
1157 ((i) < rtd->num_codecs) && ((dai) = rtd->codec_dais[i]); \
1158 (i)++)
1159#define for_each_rtd_codec_dai_rollback(rtd, i, dai) \
1160 for (; ((--i) >= 0) && ((dai) = rtd->codec_dais[i]);)
1161
1162
1163/* mixer control */
1164struct soc_mixer_control {
1165 int min, max, platform_max;
1166 int reg, rreg;
1167 unsigned int shift, rshift;
1168 unsigned int sign_bit;
1169 unsigned int invert:1;
1170 unsigned int autodisable:1;
1171 struct snd_soc_dobj dobj;
1172};
1173
1174struct soc_bytes {
1175 int base;
1176 int num_regs;
1177 u32 mask;
1178};
1179
1180struct soc_bytes_ext {
1181 int max;
1182 struct snd_soc_dobj dobj;
1183
1184 /* used for TLV byte control */
1185 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1186 unsigned int size);
1187 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1188 unsigned int size);
1189};
1190
1191/* multi register control */
1192struct soc_mreg_control {
1193 long min, max;
1194 unsigned int regbase, regcount, nbits, invert;
1195};
1196
1197/* enumerated kcontrol */
1198struct soc_enum {
1199 int reg;
1200 unsigned char shift_l;
1201 unsigned char shift_r;
1202 unsigned int items;
1203 unsigned int mask;
1204 const char * const *texts;
1205 const unsigned int *values;
1206 unsigned int autodisable:1;
1207 struct snd_soc_dobj dobj;
1208};
1209
1210/* device driver data */
1211
1212static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1213 void *data)
1214{
1215 card->drvdata = data;
1216}
1217
1218static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1219{
1220 return card->drvdata;
1221}
1222
1223static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1224{
1225 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1226 return 0;
1227 /*
1228 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1229 * mc->reg != mc->rreg means that the control is
1230 * stereo (bits in one register or in two registers)
1231 */
1232 return 1;
1233}
1234
1235static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1236 unsigned int val)
1237{
1238 unsigned int i;
1239
1240 if (!e->values)
1241 return val;
1242
1243 for (i = 0; i < e->items; i++)
1244 if (val == e->values[i])
1245 return i;
1246
1247 return 0;
1248}
1249
1250static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1251 unsigned int item)
1252{
1253 if (!e->values)
1254 return item;
1255
1256 return e->values[item];
1257}
1258
1259/**
1260 * snd_soc_kcontrol_component() - Returns the component that registered the
1261 * control
1262 * @kcontrol: The control for which to get the component
1263 *
1264 * Note: This function will work correctly if the control has been registered
1265 * for a component. With snd_soc_add_codec_controls() or via table based
1266 * setup for either a CODEC or component driver. Otherwise the behavior is
1267 * undefined.
1268 */
1269static inline struct snd_soc_component *snd_soc_kcontrol_component(
1270 struct snd_kcontrol *kcontrol)
1271{
1272 return snd_kcontrol_chip(kcontrol);
1273}
1274
1275int snd_soc_util_init(void);
1276void snd_soc_util_exit(void);
1277
1278int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1279 const char *propname);
1280int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1281 const char *propname);
1282int snd_soc_of_get_slot_mask(struct device_node *np,
1283 const char *prop_name,
1284 unsigned int *mask);
1285int snd_soc_of_parse_tdm_slot(struct device_node *np,
1286 unsigned int *tx_mask,
1287 unsigned int *rx_mask,
1288 unsigned int *slots,
1289 unsigned int *slot_width);
1290void snd_soc_of_parse_node_prefix(struct device_node *np,
1291 struct snd_soc_codec_conf *codec_conf,
1292 struct device_node *of_node,
1293 const char *propname);
1294static inline
1295void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1296 struct snd_soc_codec_conf *codec_conf,
1297 struct device_node *of_node,
1298 const char *propname)
1299{
1300 snd_soc_of_parse_node_prefix(card->dev->of_node,
1301 codec_conf, of_node, propname);
1302}
1303
1304int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1305 const char *propname);
1306unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1307 const char *prefix,
1308 struct device_node **bitclkmaster,
1309 struct device_node **framemaster);
1310int snd_soc_get_dai_id(struct device_node *ep);
1311int snd_soc_get_dai_name(struct of_phandle_args *args,
1312 const char **dai_name);
1313int snd_soc_of_get_dai_name(struct device_node *of_node,
1314 const char **dai_name);
1315int snd_soc_of_get_dai_link_codecs(struct device *dev,
1316 struct device_node *of_node,
1317 struct snd_soc_dai_link *dai_link);
1318void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1319
1320int snd_soc_add_dai_link(struct snd_soc_card *card,
1321 struct snd_soc_dai_link *dai_link);
1322void snd_soc_remove_dai_link(struct snd_soc_card *card,
1323 struct snd_soc_dai_link *dai_link);
1324struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1325 int id, const char *name,
1326 const char *stream_name);
1327
1328int snd_soc_register_dai(struct snd_soc_component *component,
1329 struct snd_soc_dai_driver *dai_drv);
1330
1331struct snd_soc_dai *snd_soc_find_dai(
1332 const struct snd_soc_dai_link_component *dlc);
1333
1334#include <sound/soc-dai.h>
1335
1336static inline
1337struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
1338 const char *dai_name)
1339{
1340 struct snd_soc_pcm_runtime *rtd;
1341
1342 list_for_each_entry(rtd, &card->rtd_list, list) {
1343 if (!strcmp(rtd->codec_dai->name, dai_name))
1344 return rtd->codec_dai;
1345 }
1346
1347 return NULL;
1348}
1349
1350static inline
1351int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
1352 const char *platform_name)
1353{
1354 struct snd_soc_dai_link *dai_link;
1355 const char *name;
1356 int i;
1357
1358 if (!platform_name) /* nothing to do */
1359 return 0;
1360
1361 /* set platform name for each dailink */
1362 for_each_card_prelinks(card, i, dai_link) {
1363 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
1364 if (!name)
1365 return -ENOMEM;
1366
1367 if (!dai_link->platforms)
1368 return -EINVAL;
1369
1370 /* only single platform is supported for now */
1371 dai_link->platforms->name = name;
1372 }
1373
1374 return 0;
1375}
1376
1377#ifdef CONFIG_DEBUG_FS
1378extern struct dentry *snd_soc_debugfs_root;
1379#endif
1380
1381extern const struct dev_pm_ops snd_soc_pm_ops;
1382
1383/* Helper functions */
1384static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1385{
1386 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1387}
1388
1389static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1390{
1391 mutex_unlock(&dapm->card->dapm_mutex);
1392}
1393
1394#include <sound/soc-component.h>
1395
1396#endif
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);
437int snd_soc_codec_set_jack(struct snd_soc_codec *codec,
438 struct snd_soc_jack *jack, void *data);
439
440int snd_soc_register_card(struct snd_soc_card *card);
441int snd_soc_unregister_card(struct snd_soc_card *card);
442int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
443#ifdef CONFIG_PM_SLEEP
444int snd_soc_suspend(struct device *dev);
445int snd_soc_resume(struct device *dev);
446#else
447static inline int snd_soc_suspend(struct device *dev)
448{
449 return 0;
450}
451
452static inline int snd_soc_resume(struct device *dev)
453{
454 return 0;
455}
456#endif
457int snd_soc_poweroff(struct device *dev);
458int snd_soc_register_platform(struct device *dev,
459 const struct snd_soc_platform_driver *platform_drv);
460int devm_snd_soc_register_platform(struct device *dev,
461 const struct snd_soc_platform_driver *platform_drv);
462void snd_soc_unregister_platform(struct device *dev);
463int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
464 const struct snd_soc_platform_driver *platform_drv);
465void snd_soc_remove_platform(struct snd_soc_platform *platform);
466struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
467int snd_soc_register_codec(struct device *dev,
468 const struct snd_soc_codec_driver *codec_drv,
469 struct snd_soc_dai_driver *dai_drv, int num_dai);
470void snd_soc_unregister_codec(struct device *dev);
471int snd_soc_add_component(struct device *dev,
472 struct snd_soc_component *component,
473 const struct snd_soc_component_driver *component_driver,
474 struct snd_soc_dai_driver *dai_drv,
475 int num_dai);
476int snd_soc_register_component(struct device *dev,
477 const struct snd_soc_component_driver *component_driver,
478 struct snd_soc_dai_driver *dai_drv, int num_dai);
479int devm_snd_soc_register_component(struct device *dev,
480 const struct snd_soc_component_driver *component_driver,
481 struct snd_soc_dai_driver *dai_drv, int num_dai);
482void snd_soc_unregister_component(struct device *dev);
483struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
484 const char *driver_name);
485int snd_soc_cache_init(struct snd_soc_codec *codec);
486int snd_soc_cache_exit(struct snd_soc_codec *codec);
487
488int snd_soc_platform_read(struct snd_soc_platform *platform,
489 unsigned int reg);
490int snd_soc_platform_write(struct snd_soc_platform *platform,
491 unsigned int reg, unsigned int val);
492int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
493#ifdef CONFIG_SND_SOC_COMPRESS
494int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
495#endif
496
497void snd_soc_disconnect_sync(struct device *dev);
498
499struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
500 const char *dai_link, int stream);
501struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
502 const char *dai_link);
503
504bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
505void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
506void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
507
508int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
509 unsigned int dai_fmt);
510
511#ifdef CONFIG_DMI
512int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
513#else
514static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
515 const char *flavour)
516{
517 return 0;
518}
519#endif
520
521/* Utility functions to get clock rates from various things */
522int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
523int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
524int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
525int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
526
527/* set runtime hw params */
528int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
529 const struct snd_pcm_hardware *hw);
530
531int soc_dai_hw_params(struct snd_pcm_substream *substream,
532 struct snd_pcm_hw_params *params,
533 struct snd_soc_dai *dai);
534
535/* Jack reporting */
536int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
537 struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
538 unsigned int num_pins);
539
540void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
541int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
542 struct snd_soc_jack_pin *pins);
543void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
544 struct notifier_block *nb);
545void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
546 struct notifier_block *nb);
547int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
548 struct snd_soc_jack_zone *zones);
549int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
550#ifdef CONFIG_GPIOLIB
551int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
552 struct snd_soc_jack_gpio *gpios);
553int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
554 struct snd_soc_jack *jack,
555 int count, struct snd_soc_jack_gpio *gpios);
556void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
557 struct snd_soc_jack_gpio *gpios);
558#else
559static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
560 struct snd_soc_jack_gpio *gpios)
561{
562 return 0;
563}
564
565static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
566 struct snd_soc_jack *jack,
567 int count,
568 struct snd_soc_jack_gpio *gpios)
569{
570 return 0;
571}
572
573static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
574 struct snd_soc_jack_gpio *gpios)
575{
576}
577#endif
578
579/* codec register bit access */
580int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
581 unsigned int mask, unsigned int value);
582int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
583 unsigned int reg, unsigned int mask,
584 unsigned int value);
585int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
586 unsigned int mask, unsigned int value);
587
588#ifdef CONFIG_SND_SOC_AC97_BUS
589#define snd_soc_alloc_ac97_codec(codec) \
590 snd_soc_alloc_ac97_component(&codec->component)
591#define snd_soc_new_ac97_codec(codec, id, id_mask) \
592 snd_soc_new_ac97_component(&codec->component, id, id_mask)
593#define snd_soc_free_ac97_codec(ac97) \
594 snd_soc_free_ac97_component(ac97)
595
596struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
597struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
598 unsigned int id, unsigned int id_mask);
599void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
600
601int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
602int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
603 struct platform_device *pdev);
604
605extern struct snd_ac97_bus_ops *soc_ac97_ops;
606#else
607static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
608 struct platform_device *pdev)
609{
610 return 0;
611}
612
613static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
614{
615 return 0;
616}
617#endif
618
619/*
620 *Controls
621 */
622struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
623 void *data, const char *long_name,
624 const char *prefix);
625struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
626 const char *name);
627int snd_soc_add_component_controls(struct snd_soc_component *component,
628 const struct snd_kcontrol_new *controls, unsigned int num_controls);
629int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
630 const struct snd_kcontrol_new *controls, unsigned int num_controls);
631int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
632 const struct snd_kcontrol_new *controls, unsigned int num_controls);
633int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
634 const struct snd_kcontrol_new *controls, int num_controls);
635int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
636 const struct snd_kcontrol_new *controls, int num_controls);
637int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
638 struct snd_ctl_elem_info *uinfo);
639int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
640 struct snd_ctl_elem_value *ucontrol);
641int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
642 struct snd_ctl_elem_value *ucontrol);
643int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
644 struct snd_ctl_elem_info *uinfo);
645int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
646 struct snd_ctl_elem_info *uinfo);
647#define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
648int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
649 struct snd_ctl_elem_value *ucontrol);
650int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
651 struct snd_ctl_elem_value *ucontrol);
652#define snd_soc_get_volsw_2r snd_soc_get_volsw
653#define snd_soc_put_volsw_2r snd_soc_put_volsw
654int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
655 struct snd_ctl_elem_value *ucontrol);
656int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
657 struct snd_ctl_elem_value *ucontrol);
658int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
659 struct snd_ctl_elem_info *uinfo);
660int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
661 struct snd_ctl_elem_value *ucontrol);
662int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
663 struct snd_ctl_elem_value *ucontrol);
664int snd_soc_limit_volume(struct snd_soc_card *card,
665 const char *name, int max);
666int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
667 struct snd_ctl_elem_info *uinfo);
668int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
669 struct snd_ctl_elem_value *ucontrol);
670int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
671 struct snd_ctl_elem_value *ucontrol);
672int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
673 struct snd_ctl_elem_info *ucontrol);
674int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
675 unsigned int size, unsigned int __user *tlv);
676int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
677 struct snd_ctl_elem_info *uinfo);
678int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
679 struct snd_ctl_elem_value *ucontrol);
680int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
681 struct snd_ctl_elem_value *ucontrol);
682int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
683 struct snd_ctl_elem_value *ucontrol);
684int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
685 struct snd_ctl_elem_value *ucontrol);
686
687/**
688 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
689 *
690 * @pin: name of the pin to update
691 * @mask: bits to check for in reported jack status
692 * @invert: if non-zero then pin is enabled when status is not reported
693 * @list: internal list entry
694 */
695struct snd_soc_jack_pin {
696 struct list_head list;
697 const char *pin;
698 int mask;
699 bool invert;
700};
701
702/**
703 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
704 *
705 * @min_mv: start voltage in mv
706 * @max_mv: end voltage in mv
707 * @jack_type: type of jack that is expected for this voltage
708 * @debounce_time: debounce_time for jack, codec driver should wait for this
709 * duration before reading the adc for voltages
710 * @list: internal list entry
711 */
712struct snd_soc_jack_zone {
713 unsigned int min_mv;
714 unsigned int max_mv;
715 unsigned int jack_type;
716 unsigned int debounce_time;
717 struct list_head list;
718};
719
720/**
721 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
722 *
723 * @gpio: legacy gpio number
724 * @idx: gpio descriptor index within the function of the GPIO
725 * consumer device
726 * @gpiod_dev: GPIO consumer device
727 * @name: gpio name. Also as connection ID for the GPIO consumer
728 * device function name lookup
729 * @report: value to report when jack detected
730 * @invert: report presence in low state
731 * @debounce_time: debounce time in ms
732 * @wake: enable as wake source
733 * @jack_status_check: callback function which overrides the detection
734 * to provide more complex checks (eg, reading an
735 * ADC).
736 */
737struct snd_soc_jack_gpio {
738 unsigned int gpio;
739 unsigned int idx;
740 struct device *gpiod_dev;
741 const char *name;
742 int report;
743 int invert;
744 int debounce_time;
745 bool wake;
746
747 /* private: */
748 struct snd_soc_jack *jack;
749 struct delayed_work work;
750 struct notifier_block pm_notifier;
751 struct gpio_desc *desc;
752
753 void *data;
754 /* public: */
755 int (*jack_status_check)(void *data);
756};
757
758struct snd_soc_jack {
759 struct mutex mutex;
760 struct snd_jack *jack;
761 struct snd_soc_card *card;
762 struct list_head pins;
763 int status;
764 struct blocking_notifier_head notifier;
765 struct list_head jack_zones;
766};
767
768/* SoC PCM stream information */
769struct snd_soc_pcm_stream {
770 const char *stream_name;
771 u64 formats; /* SNDRV_PCM_FMTBIT_* */
772 unsigned int rates; /* SNDRV_PCM_RATE_* */
773 unsigned int rate_min; /* min rate */
774 unsigned int rate_max; /* max rate */
775 unsigned int channels_min; /* min channels */
776 unsigned int channels_max; /* max channels */
777 unsigned int sig_bits; /* number of bits of content */
778};
779
780/* SoC audio ops */
781struct snd_soc_ops {
782 int (*startup)(struct snd_pcm_substream *);
783 void (*shutdown)(struct snd_pcm_substream *);
784 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
785 int (*hw_free)(struct snd_pcm_substream *);
786 int (*prepare)(struct snd_pcm_substream *);
787 int (*trigger)(struct snd_pcm_substream *, int);
788};
789
790struct snd_soc_compr_ops {
791 int (*startup)(struct snd_compr_stream *);
792 void (*shutdown)(struct snd_compr_stream *);
793 int (*set_params)(struct snd_compr_stream *);
794 int (*trigger)(struct snd_compr_stream *);
795};
796
797/* component interface */
798struct snd_soc_component_driver {
799 const char *name;
800
801 /* Default control and setup, added after probe() is run */
802 const struct snd_kcontrol_new *controls;
803 unsigned int num_controls;
804 const struct snd_soc_dapm_widget *dapm_widgets;
805 unsigned int num_dapm_widgets;
806 const struct snd_soc_dapm_route *dapm_routes;
807 unsigned int num_dapm_routes;
808
809 int (*probe)(struct snd_soc_component *);
810 void (*remove)(struct snd_soc_component *);
811 int (*suspend)(struct snd_soc_component *);
812 int (*resume)(struct snd_soc_component *);
813
814 unsigned int (*read)(struct snd_soc_component *, unsigned int);
815 int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
816
817 /* pcm creation and destruction */
818 int (*pcm_new)(struct snd_soc_pcm_runtime *);
819 void (*pcm_free)(struct snd_pcm *);
820
821 /* component wide operations */
822 int (*set_sysclk)(struct snd_soc_component *component,
823 int clk_id, int source, unsigned int freq, int dir);
824 int (*set_pll)(struct snd_soc_component *component, int pll_id,
825 int source, unsigned int freq_in, unsigned int freq_out);
826 int (*set_jack)(struct snd_soc_component *component,
827 struct snd_soc_jack *jack, void *data);
828
829 /* DT */
830 int (*of_xlate_dai_name)(struct snd_soc_component *component,
831 struct of_phandle_args *args,
832 const char **dai_name);
833 int (*of_xlate_dai_id)(struct snd_soc_component *comment,
834 struct device_node *endpoint);
835 void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
836 int subseq);
837 int (*stream_event)(struct snd_soc_component *, int event);
838 int (*set_bias_level)(struct snd_soc_component *component,
839 enum snd_soc_bias_level level);
840
841 const struct snd_pcm_ops *ops;
842 const struct snd_compr_ops *compr_ops;
843
844 /* probe ordering - for components with runtime dependencies */
845 int probe_order;
846 int remove_order;
847
848 /* bits */
849 unsigned int idle_bias_on:1;
850 unsigned int suspend_bias_off:1;
851 unsigned int use_pmdown_time:1; /* care pmdown_time at stop */
852 unsigned int endianness:1;
853 unsigned int non_legacy_dai_naming:1;
854};
855
856struct snd_soc_component {
857 const char *name;
858 int id;
859 const char *name_prefix;
860 struct device *dev;
861 struct snd_soc_card *card;
862
863 unsigned int active;
864
865 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
866 unsigned int registered_as_component:1;
867 unsigned int suspended:1; /* is in suspend PM state */
868
869 struct list_head list;
870 struct list_head card_aux_list; /* for auxiliary bound components */
871 struct list_head card_list;
872
873 const struct snd_soc_component_driver *driver;
874
875 struct list_head dai_list;
876 int num_dai;
877
878 int (*read)(struct snd_soc_component *, unsigned int, unsigned int *);
879 int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
880
881 struct regmap *regmap;
882 int val_bytes;
883
884 struct mutex io_mutex;
885
886 /* attached dynamic objects */
887 struct list_head dobj_list;
888
889#ifdef CONFIG_DEBUG_FS
890 struct dentry *debugfs_root;
891#endif
892
893 /*
894 * DO NOT use any of the fields below in drivers, they are temporary and
895 * are going to be removed again soon. If you use them in driver code the
896 * driver will be marked as BROKEN when these fields are removed.
897 */
898
899 /* Don't use these, use snd_soc_component_get_dapm() */
900 struct snd_soc_dapm_context dapm;
901
902 struct snd_soc_codec *codec;
903
904 int (*probe)(struct snd_soc_component *);
905 void (*remove)(struct snd_soc_component *);
906 int (*suspend)(struct snd_soc_component *);
907 int (*resume)(struct snd_soc_component *);
908 int (*pcm_new)(struct snd_soc_component *, struct snd_soc_pcm_runtime *);
909 void (*pcm_free)(struct snd_soc_component *, struct snd_pcm *);
910
911 int (*set_sysclk)(struct snd_soc_component *component,
912 int clk_id, int source, unsigned int freq, int dir);
913 int (*set_pll)(struct snd_soc_component *component, int pll_id,
914 int source, unsigned int freq_in, unsigned int freq_out);
915 int (*set_jack)(struct snd_soc_component *component,
916 struct snd_soc_jack *jack, void *data);
917 int (*set_bias_level)(struct snd_soc_component *component,
918 enum snd_soc_bias_level level);
919
920 /* machine specific init */
921 int (*init)(struct snd_soc_component *component);
922
923#ifdef CONFIG_DEBUG_FS
924 void (*init_debugfs)(struct snd_soc_component *component);
925 const char *debugfs_prefix;
926#endif
927};
928
929struct snd_soc_rtdcom_list {
930 struct snd_soc_component *component;
931 struct list_head list; /* rtd::component_list */
932};
933struct snd_soc_component*
934snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
935 const char *driver_name);
936#define for_each_rtdcom(rtd, rtdcom) \
937 list_for_each_entry(rtdcom, &(rtd)->component_list, list)
938#define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \
939 list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list)
940
941/* SoC Audio Codec device */
942struct snd_soc_codec {
943 struct device *dev;
944 const struct snd_soc_codec_driver *driver;
945
946 struct list_head list;
947
948 /* runtime */
949 unsigned int cache_init:1; /* codec cache has been initialized */
950
951 /* codec IO */
952 void *control_data; /* codec control (i2c/3wire) data */
953 hw_write_t hw_write;
954 void *reg_cache;
955
956 /* component */
957 struct snd_soc_component component;
958};
959
960/* codec driver */
961struct snd_soc_codec_driver {
962
963 /* driver ops */
964 int (*probe)(struct snd_soc_codec *);
965 int (*remove)(struct snd_soc_codec *);
966 int (*suspend)(struct snd_soc_codec *);
967 int (*resume)(struct snd_soc_codec *);
968 struct snd_soc_component_driver component_driver;
969
970 /* codec wide operations */
971 int (*set_sysclk)(struct snd_soc_codec *codec,
972 int clk_id, int source, unsigned int freq, int dir);
973 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
974 unsigned int freq_in, unsigned int freq_out);
975 int (*set_jack)(struct snd_soc_codec *codec,
976 struct snd_soc_jack *jack, void *data);
977
978 /* codec IO */
979 struct regmap *(*get_regmap)(struct device *);
980 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
981 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
982 unsigned int reg_cache_size;
983 short reg_cache_step;
984 short reg_word_size;
985 const void *reg_cache_default;
986
987 /* codec bias level */
988 int (*set_bias_level)(struct snd_soc_codec *,
989 enum snd_soc_bias_level level);
990 bool idle_bias_off;
991 bool suspend_bias_off;
992
993 void (*seq_notifier)(struct snd_soc_dapm_context *,
994 enum snd_soc_dapm_type, int);
995
996 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */
997};
998
999/* SoC platform interface */
1000struct snd_soc_platform_driver {
1001
1002 int (*probe)(struct snd_soc_platform *);
1003 int (*remove)(struct snd_soc_platform *);
1004 struct snd_soc_component_driver component_driver;
1005
1006 /* pcm creation and destruction */
1007 int (*pcm_new)(struct snd_soc_pcm_runtime *);
1008 void (*pcm_free)(struct snd_pcm *);
1009
1010 /* platform stream pcm ops */
1011 const struct snd_pcm_ops *ops;
1012
1013 /* platform stream compress ops */
1014 const struct snd_compr_ops *compr_ops;
1015};
1016
1017struct snd_soc_dai_link_component {
1018 const char *name;
1019 struct device_node *of_node;
1020 const char *dai_name;
1021};
1022
1023struct snd_soc_platform {
1024 struct device *dev;
1025 const struct snd_soc_platform_driver *driver;
1026
1027 struct list_head list;
1028
1029 struct snd_soc_component component;
1030};
1031
1032struct snd_soc_dai_link {
1033 /* config - must be set by machine driver */
1034 const char *name; /* Codec name */
1035 const char *stream_name; /* Stream name */
1036 /*
1037 * You MAY specify the link's CPU-side device, either by device name,
1038 * or by DT/OF node, but not both. If this information is omitted,
1039 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
1040 * must be globally unique. These fields are currently typically used
1041 * only for codec to codec links, or systems using device tree.
1042 */
1043 const char *cpu_name;
1044 struct device_node *cpu_of_node;
1045 /*
1046 * You MAY specify the DAI name of the CPU DAI. If this information is
1047 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
1048 * only, which only works well when that device exposes a single DAI.
1049 */
1050 const char *cpu_dai_name;
1051 /*
1052 * You MUST specify the link's codec, either by device name, or by
1053 * DT/OF node, but not both.
1054 */
1055 const char *codec_name;
1056 struct device_node *codec_of_node;
1057 /* You MUST specify the DAI name within the codec */
1058 const char *codec_dai_name;
1059
1060 struct snd_soc_dai_link_component *codecs;
1061 unsigned int num_codecs;
1062
1063 /*
1064 * You MAY specify the link's platform/PCM/DMA driver, either by
1065 * device name, or by DT/OF node, but not both. Some forms of link
1066 * do not need a platform.
1067 */
1068 const char *platform_name;
1069 struct device_node *platform_of_node;
1070 int id; /* optional ID for machine driver link identification */
1071
1072 const struct snd_soc_pcm_stream *params;
1073 unsigned int num_params;
1074
1075 unsigned int dai_fmt; /* format to set on init */
1076
1077 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
1078
1079 /* codec/machine specific init - e.g. add machine controls */
1080 int (*init)(struct snd_soc_pcm_runtime *rtd);
1081
1082 /* optional hw_params re-writing for BE and FE sync */
1083 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
1084 struct snd_pcm_hw_params *params);
1085
1086 /* machine stream operations */
1087 const struct snd_soc_ops *ops;
1088 const struct snd_soc_compr_ops *compr_ops;
1089
1090 /* Mark this pcm with non atomic ops */
1091 bool nonatomic;
1092
1093 /* For unidirectional dai links */
1094 unsigned int playback_only:1;
1095 unsigned int capture_only:1;
1096
1097 /* Keep DAI active over suspend */
1098 unsigned int ignore_suspend:1;
1099
1100 /* Symmetry requirements */
1101 unsigned int symmetric_rates:1;
1102 unsigned int symmetric_channels:1;
1103 unsigned int symmetric_samplebits:1;
1104
1105 /* Do not create a PCM for this DAI link (Backend link) */
1106 unsigned int no_pcm:1;
1107
1108 /* This DAI link can route to other DAI links at runtime (Frontend)*/
1109 unsigned int dynamic:1;
1110
1111 /* DPCM capture and Playback support */
1112 unsigned int dpcm_capture:1;
1113 unsigned int dpcm_playback:1;
1114
1115 /* DPCM used FE & BE merged format */
1116 unsigned int dpcm_merged_format:1;
1117
1118 /* pmdown_time is ignored at stop */
1119 unsigned int ignore_pmdown_time:1;
1120
1121 struct list_head list; /* DAI link list of the soc card */
1122 struct snd_soc_dobj dobj; /* For topology */
1123};
1124
1125struct snd_soc_codec_conf {
1126 /*
1127 * specify device either by device name, or by
1128 * DT/OF node, but not both.
1129 */
1130 const char *dev_name;
1131 struct device_node *of_node;
1132
1133 /*
1134 * optional map of kcontrol, widget and path name prefixes that are
1135 * associated per device
1136 */
1137 const char *name_prefix;
1138};
1139
1140struct snd_soc_aux_dev {
1141 const char *name; /* Codec name */
1142
1143 /*
1144 * specify multi-codec either by device name, or by
1145 * DT/OF node, but not both.
1146 */
1147 const char *codec_name;
1148 struct device_node *codec_of_node;
1149
1150 /* codec/machine specific init - e.g. add machine controls */
1151 int (*init)(struct snd_soc_component *component);
1152};
1153
1154/* SoC card */
1155struct snd_soc_card {
1156 const char *name;
1157 const char *long_name;
1158 const char *driver_name;
1159 char dmi_longname[80];
1160
1161 struct device *dev;
1162 struct snd_card *snd_card;
1163 struct module *owner;
1164
1165 struct mutex mutex;
1166 struct mutex dapm_mutex;
1167
1168 bool instantiated;
1169
1170 int (*probe)(struct snd_soc_card *card);
1171 int (*late_probe)(struct snd_soc_card *card);
1172 int (*remove)(struct snd_soc_card *card);
1173
1174 /* the pre and post PM functions are used to do any PM work before and
1175 * after the codec and DAI's do any PM work. */
1176 int (*suspend_pre)(struct snd_soc_card *card);
1177 int (*suspend_post)(struct snd_soc_card *card);
1178 int (*resume_pre)(struct snd_soc_card *card);
1179 int (*resume_post)(struct snd_soc_card *card);
1180
1181 /* callbacks */
1182 int (*set_bias_level)(struct snd_soc_card *,
1183 struct snd_soc_dapm_context *dapm,
1184 enum snd_soc_bias_level level);
1185 int (*set_bias_level_post)(struct snd_soc_card *,
1186 struct snd_soc_dapm_context *dapm,
1187 enum snd_soc_bias_level level);
1188
1189 int (*add_dai_link)(struct snd_soc_card *,
1190 struct snd_soc_dai_link *link);
1191 void (*remove_dai_link)(struct snd_soc_card *,
1192 struct snd_soc_dai_link *link);
1193
1194 long pmdown_time;
1195
1196 /* CPU <--> Codec DAI links */
1197 struct snd_soc_dai_link *dai_link; /* predefined links only */
1198 int num_links; /* predefined links only */
1199 struct list_head dai_link_list; /* all links */
1200 int num_dai_links;
1201
1202 struct list_head rtd_list;
1203 int num_rtd;
1204
1205 /* optional codec specific configuration */
1206 struct snd_soc_codec_conf *codec_conf;
1207 int num_configs;
1208
1209 /*
1210 * optional auxiliary devices such as amplifiers or codecs with DAI
1211 * link unused
1212 */
1213 struct snd_soc_aux_dev *aux_dev;
1214 int num_aux_devs;
1215 struct list_head aux_comp_list;
1216
1217 const struct snd_kcontrol_new *controls;
1218 int num_controls;
1219
1220 /*
1221 * Card-specific routes and widgets.
1222 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1223 */
1224 const struct snd_soc_dapm_widget *dapm_widgets;
1225 int num_dapm_widgets;
1226 const struct snd_soc_dapm_route *dapm_routes;
1227 int num_dapm_routes;
1228 const struct snd_soc_dapm_widget *of_dapm_widgets;
1229 int num_of_dapm_widgets;
1230 const struct snd_soc_dapm_route *of_dapm_routes;
1231 int num_of_dapm_routes;
1232 bool fully_routed;
1233
1234 struct work_struct deferred_resume_work;
1235
1236 /* lists of probed devices belonging to this card */
1237 struct list_head component_dev_list;
1238
1239 struct list_head widgets;
1240 struct list_head paths;
1241 struct list_head dapm_list;
1242 struct list_head dapm_dirty;
1243
1244 /* attached dynamic objects */
1245 struct list_head dobj_list;
1246
1247 /* Generic DAPM context for the card */
1248 struct snd_soc_dapm_context dapm;
1249 struct snd_soc_dapm_stats dapm_stats;
1250 struct snd_soc_dapm_update *update;
1251
1252#ifdef CONFIG_DEBUG_FS
1253 struct dentry *debugfs_card_root;
1254 struct dentry *debugfs_pop_time;
1255#endif
1256 u32 pop_time;
1257
1258 void *drvdata;
1259};
1260
1261/* SoC machine DAI configuration, glues a codec and cpu DAI together */
1262struct snd_soc_pcm_runtime {
1263 struct device *dev;
1264 struct snd_soc_card *card;
1265 struct snd_soc_dai_link *dai_link;
1266 struct mutex pcm_mutex;
1267 enum snd_soc_pcm_subclass pcm_subclass;
1268 struct snd_pcm_ops ops;
1269
1270 /* Dynamic PCM BE runtime data */
1271 struct snd_soc_dpcm_runtime dpcm[2];
1272 int fe_compr;
1273
1274 long pmdown_time;
1275
1276 /* runtime devices */
1277 struct snd_pcm *pcm;
1278 struct snd_compr *compr;
1279 struct snd_soc_codec *codec;
1280 struct snd_soc_platform *platform; /* will be removed */
1281 struct snd_soc_dai *codec_dai;
1282 struct snd_soc_dai *cpu_dai;
1283
1284 struct snd_soc_dai **codec_dais;
1285 unsigned int num_codecs;
1286
1287 struct delayed_work delayed_work;
1288#ifdef CONFIG_DEBUG_FS
1289 struct dentry *debugfs_dpcm_root;
1290#endif
1291
1292 unsigned int num; /* 0-based and monotonic increasing */
1293 struct list_head list; /* rtd list of the soc card */
1294 struct list_head component_list; /* list of connected components */
1295
1296 /* bit field */
1297 unsigned int dev_registered:1;
1298 unsigned int pop_wait:1;
1299};
1300
1301/* mixer control */
1302struct soc_mixer_control {
1303 int min, max, platform_max;
1304 int reg, rreg;
1305 unsigned int shift, rshift;
1306 unsigned int sign_bit;
1307 unsigned int invert:1;
1308 unsigned int autodisable:1;
1309 struct snd_soc_dobj dobj;
1310};
1311
1312struct soc_bytes {
1313 int base;
1314 int num_regs;
1315 u32 mask;
1316};
1317
1318struct soc_bytes_ext {
1319 int max;
1320 struct snd_soc_dobj dobj;
1321
1322 /* used for TLV byte control */
1323 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1324 unsigned int size);
1325 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1326 unsigned int size);
1327};
1328
1329/* multi register control */
1330struct soc_mreg_control {
1331 long min, max;
1332 unsigned int regbase, regcount, nbits, invert;
1333};
1334
1335/* enumerated kcontrol */
1336struct soc_enum {
1337 int reg;
1338 unsigned char shift_l;
1339 unsigned char shift_r;
1340 unsigned int items;
1341 unsigned int mask;
1342 const char * const *texts;
1343 const unsigned int *values;
1344 unsigned int autodisable:1;
1345 struct snd_soc_dobj dobj;
1346};
1347
1348/**
1349 * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in
1350 * @component: The component to cast to a CODEC
1351 *
1352 * This function must only be used on components that are known to be CODECs.
1353 * Otherwise the behavior is undefined.
1354 */
1355static inline struct snd_soc_codec *snd_soc_component_to_codec(
1356 struct snd_soc_component *component)
1357{
1358 return container_of(component, struct snd_soc_codec, component);
1359}
1360
1361/**
1362 * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
1363 * @component: The component to cast to a platform
1364 *
1365 * This function must only be used on components that are known to be platforms.
1366 * Otherwise the behavior is undefined.
1367 */
1368static inline struct snd_soc_platform *snd_soc_component_to_platform(
1369 struct snd_soc_component *component)
1370{
1371 return container_of(component, struct snd_soc_platform, component);
1372}
1373
1374/**
1375 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1376 * embedded in
1377 * @dapm: The DAPM context to cast to the component
1378 *
1379 * This function must only be used on DAPM contexts that are known to be part of
1380 * a component (e.g. in a component driver). Otherwise the behavior is
1381 * undefined.
1382 */
1383static inline struct snd_soc_component *snd_soc_dapm_to_component(
1384 struct snd_soc_dapm_context *dapm)
1385{
1386 return container_of(dapm, struct snd_soc_component, dapm);
1387}
1388
1389/**
1390 * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
1391 * @dapm: The DAPM context to cast to the CODEC
1392 *
1393 * This function must only be used on DAPM contexts that are known to be part of
1394 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1395 */
1396static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
1397 struct snd_soc_dapm_context *dapm)
1398{
1399 return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm));
1400}
1401
1402/**
1403 * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
1404 * embedded in
1405 * @dapm: The DAPM context to cast to the platform.
1406 *
1407 * This function must only be used on DAPM contexts that are known to be part of
1408 * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
1409 */
1410static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
1411 struct snd_soc_dapm_context *dapm)
1412{
1413 return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
1414}
1415
1416/**
1417 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1418 * component
1419 * @component: The component for which to get the DAPM context
1420 */
1421static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1422 struct snd_soc_component *component)
1423{
1424 return &component->dapm;
1425}
1426
1427/**
1428 * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC
1429 * @codec: The CODEC for which to get the DAPM context
1430 *
1431 * Note: Use this function instead of directly accessing the CODEC's dapm field
1432 */
1433static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm(
1434 struct snd_soc_codec *codec)
1435{
1436 return snd_soc_component_get_dapm(&codec->component);
1437}
1438
1439/**
1440 * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level
1441 * @codec: The CODEC for which to initialize the DAPM bias level
1442 * @level: The DAPM level to initialize to
1443 *
1444 * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level().
1445 */
1446static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec,
1447 enum snd_soc_bias_level level)
1448{
1449 snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level);
1450}
1451
1452/**
1453 * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
1454 * @component: The COMPONENT for which to initialize the DAPM bias level
1455 * @level: The DAPM level to initialize to
1456 *
1457 * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level().
1458 */
1459static inline void
1460snd_soc_component_init_bias_level(struct snd_soc_component *component,
1461 enum snd_soc_bias_level level)
1462{
1463 snd_soc_dapm_init_bias_level(
1464 snd_soc_component_get_dapm(component), level);
1465}
1466
1467/**
1468 * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level
1469 * @codec: The CODEC for which to get the DAPM bias level
1470 *
1471 * Returns: The current DAPM bias level of the CODEC.
1472 */
1473static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level(
1474 struct snd_soc_codec *codec)
1475{
1476 return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec));
1477}
1478
1479/**
1480 * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
1481 * @component: The COMPONENT for which to get the DAPM bias level
1482 *
1483 * Returns: The current DAPM bias level of the COMPONENT.
1484 */
1485static inline enum snd_soc_bias_level
1486snd_soc_component_get_bias_level(struct snd_soc_component *component)
1487{
1488 return snd_soc_dapm_get_bias_level(
1489 snd_soc_component_get_dapm(component));
1490}
1491
1492/**
1493 * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level
1494 * @codec: The CODEC for which to set the level
1495 * @level: The level to set to
1496 *
1497 * Forces the CODEC bias level to a specific state. See
1498 * snd_soc_dapm_force_bias_level().
1499 */
1500static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec,
1501 enum snd_soc_bias_level level)
1502{
1503 return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec),
1504 level);
1505}
1506
1507/**
1508 * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
1509 * @component: The COMPONENT for which to set the level
1510 * @level: The level to set to
1511 *
1512 * Forces the COMPONENT bias level to a specific state. See
1513 * snd_soc_dapm_force_bias_level().
1514 */
1515static inline int
1516snd_soc_component_force_bias_level(struct snd_soc_component *component,
1517 enum snd_soc_bias_level level)
1518{
1519 return snd_soc_dapm_force_bias_level(
1520 snd_soc_component_get_dapm(component),
1521 level);
1522}
1523
1524/**
1525 * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
1526 * @kcontrol: The kcontrol
1527 *
1528 * This function must only be used on DAPM contexts that are known to be part of
1529 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1530 */
1531static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(
1532 struct snd_kcontrol *kcontrol)
1533{
1534 return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol));
1535}
1536
1537/**
1538 * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol
1539 * @kcontrol: The kcontrol
1540 *
1541 * This function must only be used on DAPM contexts that are known to be part of
1542 * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined.
1543 */
1544static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component(
1545 struct snd_kcontrol *kcontrol)
1546{
1547 return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol));
1548}
1549
1550/* codec IO */
1551unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1552int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
1553 unsigned int val);
1554
1555/**
1556 * snd_soc_cache_sync() - Sync the register cache with the hardware
1557 * @codec: CODEC to sync
1558 *
1559 * Note: This function will call regcache_sync()
1560 */
1561static inline int snd_soc_cache_sync(struct snd_soc_codec *codec)
1562{
1563 return regcache_sync(codec->component.regmap);
1564}
1565
1566/**
1567 * snd_soc_component_cache_sync() - Sync the register cache with the hardware
1568 * @component: COMPONENT to sync
1569 *
1570 * Note: This function will call regcache_sync()
1571 */
1572static inline int snd_soc_component_cache_sync(
1573 struct snd_soc_component *component)
1574{
1575 return regcache_sync(component->regmap);
1576}
1577
1578/* component IO */
1579int snd_soc_component_read(struct snd_soc_component *component,
1580 unsigned int reg, unsigned int *val);
1581unsigned int snd_soc_component_read32(struct snd_soc_component *component,
1582 unsigned int reg);
1583int snd_soc_component_write(struct snd_soc_component *component,
1584 unsigned int reg, unsigned int val);
1585int snd_soc_component_update_bits(struct snd_soc_component *component,
1586 unsigned int reg, unsigned int mask, unsigned int val);
1587int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1588 unsigned int reg, unsigned int mask, unsigned int val);
1589void snd_soc_component_async_complete(struct snd_soc_component *component);
1590int snd_soc_component_test_bits(struct snd_soc_component *component,
1591 unsigned int reg, unsigned int mask, unsigned int value);
1592
1593/* component wide operations */
1594int snd_soc_component_set_sysclk(struct snd_soc_component *component,
1595 int clk_id, int source, unsigned int freq, int dir);
1596int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
1597 int source, unsigned int freq_in,
1598 unsigned int freq_out);
1599int snd_soc_component_set_jack(struct snd_soc_component *component,
1600 struct snd_soc_jack *jack, void *data);
1601
1602#ifdef CONFIG_REGMAP
1603
1604void snd_soc_component_init_regmap(struct snd_soc_component *component,
1605 struct regmap *regmap);
1606void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1607
1608/**
1609 * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC
1610 * @codec: The CODEC for which to initialize the regmap instance
1611 * @regmap: The regmap instance that should be used by the CODEC
1612 *
1613 * This function allows deferred assignment of the regmap instance that is
1614 * associated with the CODEC. Only use this if the regmap instance is not yet
1615 * ready when the CODEC is registered. The function must also be called before
1616 * the first IO attempt of the CODEC.
1617 */
1618static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec,
1619 struct regmap *regmap)
1620{
1621 snd_soc_component_init_regmap(&codec->component, regmap);
1622}
1623
1624/**
1625 * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC
1626 * @codec: The CODEC for which to de-initialize the regmap instance
1627 *
1628 * Calls regmap_exit() on the regmap instance associated to the CODEC and
1629 * removes the regmap instance from the CODEC.
1630 *
1631 * This function should only be used if snd_soc_codec_init_regmap() was used to
1632 * initialize the regmap instance.
1633 */
1634static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec)
1635{
1636 snd_soc_component_exit_regmap(&codec->component);
1637}
1638
1639#endif
1640
1641/* device driver data */
1642
1643static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1644 void *data)
1645{
1646 card->drvdata = data;
1647}
1648
1649static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1650{
1651 return card->drvdata;
1652}
1653
1654static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1655 void *data)
1656{
1657 dev_set_drvdata(c->dev, data);
1658}
1659
1660static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1661{
1662 return dev_get_drvdata(c->dev);
1663}
1664
1665static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1666 void *data)
1667{
1668 snd_soc_component_set_drvdata(&codec->component, data);
1669}
1670
1671static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1672{
1673 return snd_soc_component_get_drvdata(&codec->component);
1674}
1675
1676static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1677 void *data)
1678{
1679 snd_soc_component_set_drvdata(&platform->component, data);
1680}
1681
1682static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1683{
1684 return snd_soc_component_get_drvdata(&platform->component);
1685}
1686
1687static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1688{
1689 INIT_LIST_HEAD(&card->widgets);
1690 INIT_LIST_HEAD(&card->paths);
1691 INIT_LIST_HEAD(&card->dapm_list);
1692 INIT_LIST_HEAD(&card->aux_comp_list);
1693 INIT_LIST_HEAD(&card->component_dev_list);
1694}
1695
1696static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1697{
1698 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1699 return 0;
1700 /*
1701 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1702 * mc->reg != mc->rreg means that the control is
1703 * stereo (bits in one register or in two registers)
1704 */
1705 return 1;
1706}
1707
1708static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1709 unsigned int val)
1710{
1711 unsigned int i;
1712
1713 if (!e->values)
1714 return val;
1715
1716 for (i = 0; i < e->items; i++)
1717 if (val == e->values[i])
1718 return i;
1719
1720 return 0;
1721}
1722
1723static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1724 unsigned int item)
1725{
1726 if (!e->values)
1727 return item;
1728
1729 return e->values[item];
1730}
1731
1732static inline bool snd_soc_component_is_active(
1733 struct snd_soc_component *component)
1734{
1735 return component->active != 0;
1736}
1737
1738static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
1739{
1740 return snd_soc_component_is_active(&codec->component);
1741}
1742
1743/**
1744 * snd_soc_kcontrol_component() - Returns the component that registered the
1745 * control
1746 * @kcontrol: The control for which to get the component
1747 *
1748 * Note: This function will work correctly if the control has been registered
1749 * for a component. Either with snd_soc_add_codec_controls() or
1750 * snd_soc_add_platform_controls() or via table based setup for either a
1751 * CODEC, a platform or component driver. Otherwise the behavior is undefined.
1752 */
1753static inline struct snd_soc_component *snd_soc_kcontrol_component(
1754 struct snd_kcontrol *kcontrol)
1755{
1756 return snd_kcontrol_chip(kcontrol);
1757}
1758
1759/**
1760 * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control
1761 * @kcontrol: The control for which to get the CODEC
1762 *
1763 * Note: This function will only work correctly if the control has been
1764 * registered with snd_soc_add_codec_controls() or via table based setup of
1765 * snd_soc_codec_driver. Otherwise the behavior is undefined.
1766 */
1767static inline struct snd_soc_codec *snd_soc_kcontrol_codec(
1768 struct snd_kcontrol *kcontrol)
1769{
1770 return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
1771}
1772
1773/**
1774 * snd_soc_kcontrol_platform() - Returns the platform that registered the control
1775 * @kcontrol: The control for which to get the platform
1776 *
1777 * Note: This function will only work correctly if the control has been
1778 * registered with snd_soc_add_platform_controls() or via table based setup of
1779 * a snd_soc_platform_driver. Otherwise the behavior is undefined.
1780 */
1781static inline struct snd_soc_platform *snd_soc_kcontrol_platform(
1782 struct snd_kcontrol *kcontrol)
1783{
1784 return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
1785}
1786
1787int snd_soc_util_init(void);
1788void snd_soc_util_exit(void);
1789
1790int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1791 const char *propname);
1792int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1793 const char *propname);
1794int snd_soc_of_parse_tdm_slot(struct device_node *np,
1795 unsigned int *tx_mask,
1796 unsigned int *rx_mask,
1797 unsigned int *slots,
1798 unsigned int *slot_width);
1799void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1800 struct snd_soc_codec_conf *codec_conf,
1801 struct device_node *of_node,
1802 const char *propname);
1803int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1804 const char *propname);
1805unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1806 const char *prefix,
1807 struct device_node **bitclkmaster,
1808 struct device_node **framemaster);
1809int snd_soc_get_dai_id(struct device_node *ep);
1810int snd_soc_get_dai_name(struct of_phandle_args *args,
1811 const char **dai_name);
1812int snd_soc_of_get_dai_name(struct device_node *of_node,
1813 const char **dai_name);
1814int snd_soc_of_get_dai_link_codecs(struct device *dev,
1815 struct device_node *of_node,
1816 struct snd_soc_dai_link *dai_link);
1817void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1818
1819int snd_soc_add_dai_link(struct snd_soc_card *card,
1820 struct snd_soc_dai_link *dai_link);
1821void snd_soc_remove_dai_link(struct snd_soc_card *card,
1822 struct snd_soc_dai_link *dai_link);
1823struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1824 int id, const char *name,
1825 const char *stream_name);
1826
1827int snd_soc_register_dai(struct snd_soc_component *component,
1828 struct snd_soc_dai_driver *dai_drv);
1829
1830struct snd_soc_dai *snd_soc_find_dai(
1831 const struct snd_soc_dai_link_component *dlc);
1832
1833#include <sound/soc-dai.h>
1834
1835static inline
1836struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
1837 const char *dai_name)
1838{
1839 struct snd_soc_pcm_runtime *rtd;
1840
1841 list_for_each_entry(rtd, &card->rtd_list, list) {
1842 if (!strcmp(rtd->codec_dai->name, dai_name))
1843 return rtd->codec_dai;
1844 }
1845
1846 return NULL;
1847}
1848
1849#ifdef CONFIG_DEBUG_FS
1850extern struct dentry *snd_soc_debugfs_root;
1851#endif
1852
1853extern const struct dev_pm_ops snd_soc_pm_ops;
1854
1855/* Helper functions */
1856static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1857{
1858 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1859}
1860
1861static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1862{
1863 mutex_unlock(&dapm->card->dapm_mutex);
1864}
1865
1866int snd_soc_component_enable_pin(struct snd_soc_component *component,
1867 const char *pin);
1868int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1869 const char *pin);
1870int snd_soc_component_disable_pin(struct snd_soc_component *component,
1871 const char *pin);
1872int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1873 const char *pin);
1874int snd_soc_component_nc_pin(struct snd_soc_component *component,
1875 const char *pin);
1876int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1877 const char *pin);
1878int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1879 const char *pin);
1880int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1881 const char *pin);
1882int snd_soc_component_force_enable_pin_unlocked(
1883 struct snd_soc_component *component,
1884 const char *pin);
1885
1886#endif