xref: /openbmc/linux/include/sound/soc.h (revision c8dbaa22)
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  */
389 enum 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 
396 struct device_node;
397 struct snd_jack;
398 struct snd_soc_card;
399 struct snd_soc_pcm_stream;
400 struct snd_soc_ops;
401 struct snd_soc_pcm_runtime;
402 struct snd_soc_dai;
403 struct snd_soc_dai_driver;
404 struct snd_soc_platform;
405 struct snd_soc_dai_link;
406 struct snd_soc_platform_driver;
407 struct snd_soc_codec;
408 struct snd_soc_codec_driver;
409 struct snd_soc_component;
410 struct snd_soc_component_driver;
411 struct soc_enum;
412 struct snd_soc_jack;
413 struct snd_soc_jack_zone;
414 struct snd_soc_jack_pin;
415 #include <sound/soc-dapm.h>
416 #include <sound/soc-dpcm.h>
417 #include <sound/soc-topology.h>
418 
419 struct snd_soc_jack_gpio;
420 
421 typedef int (*hw_write_t)(void *,const char* ,int);
422 
423 enum snd_soc_pcm_subclass {
424 	SND_SOC_PCM_CLASS_PCM	= 0,
425 	SND_SOC_PCM_CLASS_BE	= 1,
426 };
427 
428 enum snd_soc_card_subclass {
429 	SND_SOC_CARD_CLASS_INIT		= 0,
430 	SND_SOC_CARD_CLASS_RUNTIME	= 1,
431 };
432 
433 int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
434 			     int source, unsigned int freq, int dir);
435 int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
436 			  unsigned int freq_in, unsigned int freq_out);
437 int snd_soc_codec_set_jack(struct snd_soc_codec *codec,
438 			   struct snd_soc_jack *jack, void *data);
439 
440 int snd_soc_register_card(struct snd_soc_card *card);
441 int snd_soc_unregister_card(struct snd_soc_card *card);
442 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
443 #ifdef CONFIG_PM_SLEEP
444 int snd_soc_suspend(struct device *dev);
445 int snd_soc_resume(struct device *dev);
446 #else
447 static inline int snd_soc_suspend(struct device *dev)
448 {
449 	return 0;
450 }
451 
452 static inline int snd_soc_resume(struct device *dev)
453 {
454 	return 0;
455 }
456 #endif
457 int snd_soc_poweroff(struct device *dev);
458 int snd_soc_register_platform(struct device *dev,
459 		const struct snd_soc_platform_driver *platform_drv);
460 int devm_snd_soc_register_platform(struct device *dev,
461 		const struct snd_soc_platform_driver *platform_drv);
462 void snd_soc_unregister_platform(struct device *dev);
463 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
464 		const struct snd_soc_platform_driver *platform_drv);
465 void snd_soc_remove_platform(struct snd_soc_platform *platform);
466 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
467 int 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);
470 void snd_soc_unregister_codec(struct device *dev);
471 int snd_soc_register_component(struct device *dev,
472 			 const struct snd_soc_component_driver *cmpnt_drv,
473 			 struct snd_soc_dai_driver *dai_drv, int num_dai);
474 int devm_snd_soc_register_component(struct device *dev,
475 			 const struct snd_soc_component_driver *cmpnt_drv,
476 			 struct snd_soc_dai_driver *dai_drv, int num_dai);
477 void snd_soc_unregister_component(struct device *dev);
478 int snd_soc_cache_init(struct snd_soc_codec *codec);
479 int snd_soc_cache_exit(struct snd_soc_codec *codec);
480 
481 int snd_soc_platform_read(struct snd_soc_platform *platform,
482 					unsigned int reg);
483 int snd_soc_platform_write(struct snd_soc_platform *platform,
484 					unsigned int reg, unsigned int val);
485 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
486 #ifdef CONFIG_SND_SOC_COMPRESS
487 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
488 #endif
489 
490 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
491 		const char *dai_link, int stream);
492 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
493 		const char *dai_link);
494 
495 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
496 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
497 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
498 
499 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
500 	unsigned int dai_fmt);
501 
502 #ifdef CONFIG_DMI
503 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
504 #else
505 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
506 				       const char *flavour)
507 {
508 	return 0;
509 }
510 #endif
511 
512 /* Utility functions to get clock rates from various things */
513 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
514 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
515 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
516 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
517 
518 /* set runtime hw params */
519 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
520 	const struct snd_pcm_hardware *hw);
521 
522 int soc_dai_hw_params(struct snd_pcm_substream *substream,
523 		      struct snd_pcm_hw_params *params,
524 		      struct snd_soc_dai *dai);
525 
526 /* Jack reporting */
527 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
528 	struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
529 	unsigned int num_pins);
530 
531 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
532 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
533 			  struct snd_soc_jack_pin *pins);
534 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
535 				    struct notifier_block *nb);
536 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
537 				      struct notifier_block *nb);
538 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
539 			  struct snd_soc_jack_zone *zones);
540 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
541 #ifdef CONFIG_GPIOLIB
542 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
543 			struct snd_soc_jack_gpio *gpios);
544 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
545 			    struct snd_soc_jack *jack,
546 			    int count, struct snd_soc_jack_gpio *gpios);
547 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
548 			struct snd_soc_jack_gpio *gpios);
549 #else
550 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
551 					 struct snd_soc_jack_gpio *gpios)
552 {
553 	return 0;
554 }
555 
556 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
557 					  struct snd_soc_jack *jack,
558 					  int count,
559 					  struct snd_soc_jack_gpio *gpios)
560 {
561 	return 0;
562 }
563 
564 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
565 					   struct snd_soc_jack_gpio *gpios)
566 {
567 }
568 #endif
569 
570 /* codec register bit access */
571 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
572 				unsigned int mask, unsigned int value);
573 int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
574 			       unsigned int reg, unsigned int mask,
575 			       unsigned int value);
576 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
577 				unsigned int mask, unsigned int value);
578 
579 #ifdef CONFIG_SND_SOC_AC97_BUS
580 struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec);
581 struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
582 	unsigned int id, unsigned int id_mask);
583 void snd_soc_free_ac97_codec(struct snd_ac97 *ac97);
584 
585 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
586 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
587 		struct platform_device *pdev);
588 
589 extern struct snd_ac97_bus_ops *soc_ac97_ops;
590 #else
591 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
592 	struct platform_device *pdev)
593 {
594 	return 0;
595 }
596 
597 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
598 {
599 	return 0;
600 }
601 #endif
602 
603 /*
604  *Controls
605  */
606 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
607 				  void *data, const char *long_name,
608 				  const char *prefix);
609 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
610 					       const char *name);
611 int snd_soc_add_component_controls(struct snd_soc_component *component,
612 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
613 int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
614 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
615 int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
616 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
617 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
618 	const struct snd_kcontrol_new *controls, int num_controls);
619 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
620 	const struct snd_kcontrol_new *controls, int num_controls);
621 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
622 	struct snd_ctl_elem_info *uinfo);
623 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
624 	struct snd_ctl_elem_value *ucontrol);
625 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
626 	struct snd_ctl_elem_value *ucontrol);
627 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
628 	struct snd_ctl_elem_info *uinfo);
629 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
630 			  struct snd_ctl_elem_info *uinfo);
631 #define snd_soc_info_bool_ext		snd_ctl_boolean_mono_info
632 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
633 	struct snd_ctl_elem_value *ucontrol);
634 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
635 	struct snd_ctl_elem_value *ucontrol);
636 #define snd_soc_get_volsw_2r snd_soc_get_volsw
637 #define snd_soc_put_volsw_2r snd_soc_put_volsw
638 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
639 	struct snd_ctl_elem_value *ucontrol);
640 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
641 	struct snd_ctl_elem_value *ucontrol);
642 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
643 	struct snd_ctl_elem_info *uinfo);
644 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
645 	struct snd_ctl_elem_value *ucontrol);
646 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
647 	struct snd_ctl_elem_value *ucontrol);
648 int snd_soc_limit_volume(struct snd_soc_card *card,
649 	const char *name, int max);
650 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
651 		       struct snd_ctl_elem_info *uinfo);
652 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
653 		      struct snd_ctl_elem_value *ucontrol);
654 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
655 		      struct snd_ctl_elem_value *ucontrol);
656 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
657 	struct snd_ctl_elem_info *ucontrol);
658 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
659 	unsigned int size, unsigned int __user *tlv);
660 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
661 	struct snd_ctl_elem_info *uinfo);
662 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
663 	struct snd_ctl_elem_value *ucontrol);
664 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
665 	struct snd_ctl_elem_value *ucontrol);
666 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
667 	struct snd_ctl_elem_value *ucontrol);
668 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
669 	struct snd_ctl_elem_value *ucontrol);
670 
671 /**
672  * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
673  *
674  * @pin:    name of the pin to update
675  * @mask:   bits to check for in reported jack status
676  * @invert: if non-zero then pin is enabled when status is not reported
677  * @list:   internal list entry
678  */
679 struct snd_soc_jack_pin {
680 	struct list_head list;
681 	const char *pin;
682 	int mask;
683 	bool invert;
684 };
685 
686 /**
687  * struct snd_soc_jack_zone - Describes voltage zones of jack detection
688  *
689  * @min_mv: start voltage in mv
690  * @max_mv: end voltage in mv
691  * @jack_type: type of jack that is expected for this voltage
692  * @debounce_time: debounce_time for jack, codec driver should wait for this
693  *		duration before reading the adc for voltages
694  * @list:   internal list entry
695  */
696 struct snd_soc_jack_zone {
697 	unsigned int min_mv;
698 	unsigned int max_mv;
699 	unsigned int jack_type;
700 	unsigned int debounce_time;
701 	struct list_head list;
702 };
703 
704 /**
705  * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
706  *
707  * @gpio:         legacy gpio number
708  * @idx:          gpio descriptor index within the function of the GPIO
709  *                consumer device
710  * @gpiod_dev:    GPIO consumer device
711  * @name:         gpio name. Also as connection ID for the GPIO consumer
712  *                device function name lookup
713  * @report:       value to report when jack detected
714  * @invert:       report presence in low state
715  * @debounce_time: debounce time in ms
716  * @wake:	  enable as wake source
717  * @jack_status_check: callback function which overrides the detection
718  *		       to provide more complex checks (eg, reading an
719  *		       ADC).
720  */
721 struct snd_soc_jack_gpio {
722 	unsigned int gpio;
723 	unsigned int idx;
724 	struct device *gpiod_dev;
725 	const char *name;
726 	int report;
727 	int invert;
728 	int debounce_time;
729 	bool wake;
730 
731 	/* private: */
732 	struct snd_soc_jack *jack;
733 	struct delayed_work work;
734 	struct notifier_block pm_notifier;
735 	struct gpio_desc *desc;
736 
737 	void *data;
738 	/* public: */
739 	int (*jack_status_check)(void *data);
740 };
741 
742 struct snd_soc_jack {
743 	struct mutex mutex;
744 	struct snd_jack *jack;
745 	struct snd_soc_card *card;
746 	struct list_head pins;
747 	int status;
748 	struct blocking_notifier_head notifier;
749 	struct list_head jack_zones;
750 };
751 
752 /* SoC PCM stream information */
753 struct snd_soc_pcm_stream {
754 	const char *stream_name;
755 	u64 formats;			/* SNDRV_PCM_FMTBIT_* */
756 	unsigned int rates;		/* SNDRV_PCM_RATE_* */
757 	unsigned int rate_min;		/* min rate */
758 	unsigned int rate_max;		/* max rate */
759 	unsigned int channels_min;	/* min channels */
760 	unsigned int channels_max;	/* max channels */
761 	unsigned int sig_bits;		/* number of bits of content */
762 };
763 
764 /* SoC audio ops */
765 struct snd_soc_ops {
766 	int (*startup)(struct snd_pcm_substream *);
767 	void (*shutdown)(struct snd_pcm_substream *);
768 	int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
769 	int (*hw_free)(struct snd_pcm_substream *);
770 	int (*prepare)(struct snd_pcm_substream *);
771 	int (*trigger)(struct snd_pcm_substream *, int);
772 };
773 
774 struct snd_soc_compr_ops {
775 	int (*startup)(struct snd_compr_stream *);
776 	void (*shutdown)(struct snd_compr_stream *);
777 	int (*set_params)(struct snd_compr_stream *);
778 	int (*trigger)(struct snd_compr_stream *);
779 };
780 
781 /* component interface */
782 struct snd_soc_component_driver {
783 	const char *name;
784 
785 	/* Default control and setup, added after probe() is run */
786 	const struct snd_kcontrol_new *controls;
787 	unsigned int num_controls;
788 	const struct snd_soc_dapm_widget *dapm_widgets;
789 	unsigned int num_dapm_widgets;
790 	const struct snd_soc_dapm_route *dapm_routes;
791 	unsigned int num_dapm_routes;
792 
793 	int (*probe)(struct snd_soc_component *);
794 	void (*remove)(struct snd_soc_component *);
795 	int (*suspend)(struct snd_soc_component *);
796 	int (*resume)(struct snd_soc_component *);
797 
798 	/* DT */
799 	int (*of_xlate_dai_name)(struct snd_soc_component *component,
800 				 struct of_phandle_args *args,
801 				 const char **dai_name);
802 	int (*of_xlate_dai_id)(struct snd_soc_component *comment,
803 			       struct device_node *endpoint);
804 	void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
805 		int subseq);
806 	int (*stream_event)(struct snd_soc_component *, int event);
807 
808 	/* probe ordering - for components with runtime dependencies */
809 	int probe_order;
810 	int remove_order;
811 };
812 
813 struct snd_soc_component {
814 	const char *name;
815 	int id;
816 	const char *name_prefix;
817 	struct device *dev;
818 	struct snd_soc_card *card;
819 
820 	unsigned int active;
821 
822 	unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
823 	unsigned int registered_as_component:1;
824 	unsigned int suspended:1; /* is in suspend PM state */
825 
826 	struct list_head list;
827 	struct list_head card_aux_list; /* for auxiliary bound components */
828 	struct list_head card_list;
829 
830 	struct snd_soc_dai_driver *dai_drv;
831 	int num_dai;
832 
833 	const struct snd_soc_component_driver *driver;
834 
835 	struct list_head dai_list;
836 
837 	int (*read)(struct snd_soc_component *, unsigned int, unsigned int *);
838 	int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
839 
840 	struct regmap *regmap;
841 	int val_bytes;
842 
843 	struct mutex io_mutex;
844 
845 	/* attached dynamic objects */
846 	struct list_head dobj_list;
847 
848 #ifdef CONFIG_DEBUG_FS
849 	struct dentry *debugfs_root;
850 #endif
851 
852 	/*
853 	* DO NOT use any of the fields below in drivers, they are temporary and
854 	* are going to be removed again soon. If you use them in driver code the
855 	* driver will be marked as BROKEN when these fields are removed.
856 	*/
857 
858 	/* Don't use these, use snd_soc_component_get_dapm() */
859 	struct snd_soc_dapm_context dapm;
860 
861 	const struct snd_kcontrol_new *controls;
862 	unsigned int num_controls;
863 	const struct snd_soc_dapm_widget *dapm_widgets;
864 	unsigned int num_dapm_widgets;
865 	const struct snd_soc_dapm_route *dapm_routes;
866 	unsigned int num_dapm_routes;
867 	struct snd_soc_codec *codec;
868 
869 	int (*probe)(struct snd_soc_component *);
870 	void (*remove)(struct snd_soc_component *);
871 	int (*suspend)(struct snd_soc_component *);
872 	int (*resume)(struct snd_soc_component *);
873 
874 	/* machine specific init */
875 	int (*init)(struct snd_soc_component *component);
876 
877 #ifdef CONFIG_DEBUG_FS
878 	void (*init_debugfs)(struct snd_soc_component *component);
879 	const char *debugfs_prefix;
880 #endif
881 };
882 
883 /* SoC Audio Codec device */
884 struct snd_soc_codec {
885 	struct device *dev;
886 	const struct snd_soc_codec_driver *driver;
887 
888 	struct list_head list;
889 
890 	/* runtime */
891 	unsigned int cache_bypass:1; /* Suppress access to the cache */
892 	unsigned int cache_init:1; /* codec cache has been initialized */
893 
894 	/* codec IO */
895 	void *control_data; /* codec control (i2c/3wire) data */
896 	hw_write_t hw_write;
897 	void *reg_cache;
898 
899 	/* component */
900 	struct snd_soc_component component;
901 
902 #ifdef CONFIG_DEBUG_FS
903 	struct dentry *debugfs_reg;
904 #endif
905 };
906 
907 /* codec driver */
908 struct snd_soc_codec_driver {
909 
910 	/* driver ops */
911 	int (*probe)(struct snd_soc_codec *);
912 	int (*remove)(struct snd_soc_codec *);
913 	int (*suspend)(struct snd_soc_codec *);
914 	int (*resume)(struct snd_soc_codec *);
915 	struct snd_soc_component_driver component_driver;
916 
917 	/* codec wide operations */
918 	int (*set_sysclk)(struct snd_soc_codec *codec,
919 			  int clk_id, int source, unsigned int freq, int dir);
920 	int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
921 		unsigned int freq_in, unsigned int freq_out);
922 	int (*set_jack)(struct snd_soc_codec *codec,
923 			struct snd_soc_jack *jack,  void *data);
924 
925 	/* codec IO */
926 	struct regmap *(*get_regmap)(struct device *);
927 	unsigned int (*read)(struct snd_soc_codec *, unsigned int);
928 	int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
929 	unsigned int reg_cache_size;
930 	short reg_cache_step;
931 	short reg_word_size;
932 	const void *reg_cache_default;
933 
934 	/* codec bias level */
935 	int (*set_bias_level)(struct snd_soc_codec *,
936 			      enum snd_soc_bias_level level);
937 	bool idle_bias_off;
938 	bool suspend_bias_off;
939 
940 	void (*seq_notifier)(struct snd_soc_dapm_context *,
941 			     enum snd_soc_dapm_type, int);
942 
943 	bool ignore_pmdown_time;  /* Doesn't benefit from pmdown delay */
944 };
945 
946 /* SoC platform interface */
947 struct snd_soc_platform_driver {
948 
949 	int (*probe)(struct snd_soc_platform *);
950 	int (*remove)(struct snd_soc_platform *);
951 	struct snd_soc_component_driver component_driver;
952 
953 	/* pcm creation and destruction */
954 	int (*pcm_new)(struct snd_soc_pcm_runtime *);
955 	void (*pcm_free)(struct snd_pcm *);
956 
957 	/* platform stream pcm ops */
958 	const struct snd_pcm_ops *ops;
959 
960 	/* platform stream compress ops */
961 	const struct snd_compr_ops *compr_ops;
962 };
963 
964 struct snd_soc_dai_link_component {
965 	const char *name;
966 	struct device_node *of_node;
967 	const char *dai_name;
968 };
969 
970 struct snd_soc_platform {
971 	struct device *dev;
972 	const struct snd_soc_platform_driver *driver;
973 
974 	struct list_head list;
975 
976 	struct snd_soc_component component;
977 };
978 
979 struct snd_soc_dai_link {
980 	/* config - must be set by machine driver */
981 	const char *name;			/* Codec name */
982 	const char *stream_name;		/* Stream name */
983 	/*
984 	 * You MAY specify the link's CPU-side device, either by device name,
985 	 * or by DT/OF node, but not both. If this information is omitted,
986 	 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
987 	 * must be globally unique. These fields are currently typically used
988 	 * only for codec to codec links, or systems using device tree.
989 	 */
990 	const char *cpu_name;
991 	struct device_node *cpu_of_node;
992 	/*
993 	 * You MAY specify the DAI name of the CPU DAI. If this information is
994 	 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
995 	 * only, which only works well when that device exposes a single DAI.
996 	 */
997 	const char *cpu_dai_name;
998 	/*
999 	 * You MUST specify the link's codec, either by device name, or by
1000 	 * DT/OF node, but not both.
1001 	 */
1002 	const char *codec_name;
1003 	struct device_node *codec_of_node;
1004 	/* You MUST specify the DAI name within the codec */
1005 	const char *codec_dai_name;
1006 
1007 	struct snd_soc_dai_link_component *codecs;
1008 	unsigned int num_codecs;
1009 
1010 	/*
1011 	 * You MAY specify the link's platform/PCM/DMA driver, either by
1012 	 * device name, or by DT/OF node, but not both. Some forms of link
1013 	 * do not need a platform.
1014 	 */
1015 	const char *platform_name;
1016 	struct device_node *platform_of_node;
1017 	int id;	/* optional ID for machine driver link identification */
1018 
1019 	const struct snd_soc_pcm_stream *params;
1020 	unsigned int num_params;
1021 
1022 	unsigned int dai_fmt;           /* format to set on init */
1023 
1024 	enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
1025 
1026 	/* codec/machine specific init - e.g. add machine controls */
1027 	int (*init)(struct snd_soc_pcm_runtime *rtd);
1028 
1029 	/* optional hw_params re-writing for BE and FE sync */
1030 	int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
1031 			struct snd_pcm_hw_params *params);
1032 
1033 	/* machine stream operations */
1034 	const struct snd_soc_ops *ops;
1035 	const struct snd_soc_compr_ops *compr_ops;
1036 
1037 	/* Mark this pcm with non atomic ops */
1038 	bool nonatomic;
1039 
1040 	/* For unidirectional dai links */
1041 	unsigned int playback_only:1;
1042 	unsigned int capture_only:1;
1043 
1044 	/* Keep DAI active over suspend */
1045 	unsigned int ignore_suspend:1;
1046 
1047 	/* Symmetry requirements */
1048 	unsigned int symmetric_rates:1;
1049 	unsigned int symmetric_channels:1;
1050 	unsigned int symmetric_samplebits:1;
1051 
1052 	/* Do not create a PCM for this DAI link (Backend link) */
1053 	unsigned int no_pcm:1;
1054 
1055 	/* This DAI link can route to other DAI links at runtime (Frontend)*/
1056 	unsigned int dynamic:1;
1057 
1058 	/* DPCM capture and Playback support */
1059 	unsigned int dpcm_capture:1;
1060 	unsigned int dpcm_playback:1;
1061 
1062 	/* DPCM used FE & BE merged format */
1063 	unsigned int dpcm_merged_format:1;
1064 
1065 	/* pmdown_time is ignored at stop */
1066 	unsigned int ignore_pmdown_time:1;
1067 
1068 	struct list_head list; /* DAI link list of the soc card */
1069 	struct snd_soc_dobj dobj; /* For topology */
1070 };
1071 
1072 struct snd_soc_codec_conf {
1073 	/*
1074 	 * specify device either by device name, or by
1075 	 * DT/OF node, but not both.
1076 	 */
1077 	const char *dev_name;
1078 	struct device_node *of_node;
1079 
1080 	/*
1081 	 * optional map of kcontrol, widget and path name prefixes that are
1082 	 * associated per device
1083 	 */
1084 	const char *name_prefix;
1085 };
1086 
1087 struct snd_soc_aux_dev {
1088 	const char *name;		/* Codec name */
1089 
1090 	/*
1091 	 * specify multi-codec either by device name, or by
1092 	 * DT/OF node, but not both.
1093 	 */
1094 	const char *codec_name;
1095 	struct device_node *codec_of_node;
1096 
1097 	/* codec/machine specific init - e.g. add machine controls */
1098 	int (*init)(struct snd_soc_component *component);
1099 };
1100 
1101 /* SoC card */
1102 struct snd_soc_card {
1103 	const char *name;
1104 	const char *long_name;
1105 	const char *driver_name;
1106 	char dmi_longname[80];
1107 
1108 	struct device *dev;
1109 	struct snd_card *snd_card;
1110 	struct module *owner;
1111 
1112 	struct mutex mutex;
1113 	struct mutex dapm_mutex;
1114 
1115 	bool instantiated;
1116 
1117 	int (*probe)(struct snd_soc_card *card);
1118 	int (*late_probe)(struct snd_soc_card *card);
1119 	int (*remove)(struct snd_soc_card *card);
1120 
1121 	/* the pre and post PM functions are used to do any PM work before and
1122 	 * after the codec and DAI's do any PM work. */
1123 	int (*suspend_pre)(struct snd_soc_card *card);
1124 	int (*suspend_post)(struct snd_soc_card *card);
1125 	int (*resume_pre)(struct snd_soc_card *card);
1126 	int (*resume_post)(struct snd_soc_card *card);
1127 
1128 	/* callbacks */
1129 	int (*set_bias_level)(struct snd_soc_card *,
1130 			      struct snd_soc_dapm_context *dapm,
1131 			      enum snd_soc_bias_level level);
1132 	int (*set_bias_level_post)(struct snd_soc_card *,
1133 				   struct snd_soc_dapm_context *dapm,
1134 				   enum snd_soc_bias_level level);
1135 
1136 	int (*add_dai_link)(struct snd_soc_card *,
1137 			    struct snd_soc_dai_link *link);
1138 	void (*remove_dai_link)(struct snd_soc_card *,
1139 			    struct snd_soc_dai_link *link);
1140 
1141 	long pmdown_time;
1142 
1143 	/* CPU <--> Codec DAI links  */
1144 	struct snd_soc_dai_link *dai_link;  /* predefined links only */
1145 	int num_links;  /* predefined links only */
1146 	struct list_head dai_link_list; /* all links */
1147 	int num_dai_links;
1148 
1149 	struct list_head rtd_list;
1150 	int num_rtd;
1151 
1152 	/* optional codec specific configuration */
1153 	struct snd_soc_codec_conf *codec_conf;
1154 	int num_configs;
1155 
1156 	/*
1157 	 * optional auxiliary devices such as amplifiers or codecs with DAI
1158 	 * link unused
1159 	 */
1160 	struct snd_soc_aux_dev *aux_dev;
1161 	int num_aux_devs;
1162 	struct list_head aux_comp_list;
1163 
1164 	const struct snd_kcontrol_new *controls;
1165 	int num_controls;
1166 
1167 	/*
1168 	 * Card-specific routes and widgets.
1169 	 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1170 	 */
1171 	const struct snd_soc_dapm_widget *dapm_widgets;
1172 	int num_dapm_widgets;
1173 	const struct snd_soc_dapm_route *dapm_routes;
1174 	int num_dapm_routes;
1175 	const struct snd_soc_dapm_widget *of_dapm_widgets;
1176 	int num_of_dapm_widgets;
1177 	const struct snd_soc_dapm_route *of_dapm_routes;
1178 	int num_of_dapm_routes;
1179 	bool fully_routed;
1180 
1181 	struct work_struct deferred_resume_work;
1182 
1183 	/* lists of probed devices belonging to this card */
1184 	struct list_head component_dev_list;
1185 
1186 	struct list_head widgets;
1187 	struct list_head paths;
1188 	struct list_head dapm_list;
1189 	struct list_head dapm_dirty;
1190 
1191 	/* attached dynamic objects */
1192 	struct list_head dobj_list;
1193 
1194 	/* Generic DAPM context for the card */
1195 	struct snd_soc_dapm_context dapm;
1196 	struct snd_soc_dapm_stats dapm_stats;
1197 	struct snd_soc_dapm_update *update;
1198 
1199 #ifdef CONFIG_DEBUG_FS
1200 	struct dentry *debugfs_card_root;
1201 	struct dentry *debugfs_pop_time;
1202 #endif
1203 	u32 pop_time;
1204 
1205 	void *drvdata;
1206 };
1207 
1208 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1209 struct snd_soc_pcm_runtime {
1210 	struct device *dev;
1211 	struct snd_soc_card *card;
1212 	struct snd_soc_dai_link *dai_link;
1213 	struct mutex pcm_mutex;
1214 	enum snd_soc_pcm_subclass pcm_subclass;
1215 	struct snd_pcm_ops ops;
1216 
1217 	/* Dynamic PCM BE runtime data */
1218 	struct snd_soc_dpcm_runtime dpcm[2];
1219 	int fe_compr;
1220 
1221 	long pmdown_time;
1222 
1223 	/* runtime devices */
1224 	struct snd_pcm *pcm;
1225 	struct snd_compr *compr;
1226 	struct snd_soc_codec *codec;
1227 	struct snd_soc_platform *platform;
1228 	struct snd_soc_dai *codec_dai;
1229 	struct snd_soc_dai *cpu_dai;
1230 
1231 	struct snd_soc_dai **codec_dais;
1232 	unsigned int num_codecs;
1233 
1234 	struct delayed_work delayed_work;
1235 #ifdef CONFIG_DEBUG_FS
1236 	struct dentry *debugfs_dpcm_root;
1237 	struct dentry *debugfs_dpcm_state;
1238 #endif
1239 
1240 	unsigned int num; /* 0-based and monotonic increasing */
1241 	struct list_head list; /* rtd list of the soc card */
1242 
1243 	/* bit field */
1244 	unsigned int dev_registered:1;
1245 	unsigned int pop_wait:1;
1246 };
1247 
1248 /* mixer control */
1249 struct soc_mixer_control {
1250 	int min, max, platform_max;
1251 	int reg, rreg;
1252 	unsigned int shift, rshift;
1253 	unsigned int sign_bit;
1254 	unsigned int invert:1;
1255 	unsigned int autodisable:1;
1256 	struct snd_soc_dobj dobj;
1257 };
1258 
1259 struct soc_bytes {
1260 	int base;
1261 	int num_regs;
1262 	u32 mask;
1263 };
1264 
1265 struct soc_bytes_ext {
1266 	int max;
1267 	struct snd_soc_dobj dobj;
1268 
1269 	/* used for TLV byte control */
1270 	int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1271 			unsigned int size);
1272 	int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1273 			unsigned int size);
1274 };
1275 
1276 /* multi register control */
1277 struct soc_mreg_control {
1278 	long min, max;
1279 	unsigned int regbase, regcount, nbits, invert;
1280 };
1281 
1282 /* enumerated kcontrol */
1283 struct soc_enum {
1284 	int reg;
1285 	unsigned char shift_l;
1286 	unsigned char shift_r;
1287 	unsigned int items;
1288 	unsigned int mask;
1289 	const char * const *texts;
1290 	const unsigned int *values;
1291 	unsigned int autodisable:1;
1292 	struct snd_soc_dobj dobj;
1293 };
1294 
1295 /**
1296  * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in
1297  * @component: The component to cast to a CODEC
1298  *
1299  * This function must only be used on components that are known to be CODECs.
1300  * Otherwise the behavior is undefined.
1301  */
1302 static inline struct snd_soc_codec *snd_soc_component_to_codec(
1303 	struct snd_soc_component *component)
1304 {
1305 	return container_of(component, struct snd_soc_codec, component);
1306 }
1307 
1308 /**
1309  * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
1310  * @component: The component to cast to a platform
1311  *
1312  * This function must only be used on components that are known to be platforms.
1313  * Otherwise the behavior is undefined.
1314  */
1315 static inline struct snd_soc_platform *snd_soc_component_to_platform(
1316 	struct snd_soc_component *component)
1317 {
1318 	return container_of(component, struct snd_soc_platform, component);
1319 }
1320 
1321 /**
1322  * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1323  *  embedded in
1324  * @dapm: The DAPM context to cast to the component
1325  *
1326  * This function must only be used on DAPM contexts that are known to be part of
1327  * a component (e.g. in a component driver). Otherwise the behavior is
1328  * undefined.
1329  */
1330 static inline struct snd_soc_component *snd_soc_dapm_to_component(
1331 	struct snd_soc_dapm_context *dapm)
1332 {
1333 	return container_of(dapm, struct snd_soc_component, dapm);
1334 }
1335 
1336 /**
1337  * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
1338  * @dapm: The DAPM context to cast to the CODEC
1339  *
1340  * This function must only be used on DAPM contexts that are known to be part of
1341  * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1342  */
1343 static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
1344 	struct snd_soc_dapm_context *dapm)
1345 {
1346 	return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm));
1347 }
1348 
1349 /**
1350  * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
1351  *  embedded in
1352  * @dapm: The DAPM context to cast to the platform.
1353  *
1354  * This function must only be used on DAPM contexts that are known to be part of
1355  * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
1356  */
1357 static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
1358 	struct snd_soc_dapm_context *dapm)
1359 {
1360 	return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
1361 }
1362 
1363 /**
1364  * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1365  *  component
1366  * @component: The component for which to get the DAPM context
1367  */
1368 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1369 	struct snd_soc_component *component)
1370 {
1371 	return &component->dapm;
1372 }
1373 
1374 /**
1375  * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC
1376  * @codec: The CODEC for which to get the DAPM context
1377  *
1378  * Note: Use this function instead of directly accessing the CODEC's dapm field
1379  */
1380 static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm(
1381 	struct snd_soc_codec *codec)
1382 {
1383 	return snd_soc_component_get_dapm(&codec->component);
1384 }
1385 
1386 /**
1387  * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level
1388  * @codec: The CODEC for which to initialize the DAPM bias level
1389  * @level: The DAPM level to initialize to
1390  *
1391  * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level().
1392  */
1393 static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec,
1394 	enum snd_soc_bias_level level)
1395 {
1396 	snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level);
1397 }
1398 
1399 /**
1400  * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level
1401  * @codec: The CODEC for which to get the DAPM bias level
1402  *
1403  * Returns: The current DAPM bias level of the CODEC.
1404  */
1405 static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level(
1406 	struct snd_soc_codec *codec)
1407 {
1408 	return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec));
1409 }
1410 
1411 /**
1412  * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level
1413  * @codec: The CODEC for which to set the level
1414  * @level: The level to set to
1415  *
1416  * Forces the CODEC bias level to a specific state. See
1417  * snd_soc_dapm_force_bias_level().
1418  */
1419 static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec,
1420 	enum snd_soc_bias_level level)
1421 {
1422 	return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec),
1423 		level);
1424 }
1425 
1426 /**
1427  * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
1428  * @kcontrol: The kcontrol
1429  *
1430  * This function must only be used on DAPM contexts that are known to be part of
1431  * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1432  */
1433 static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(
1434 	struct snd_kcontrol *kcontrol)
1435 {
1436 	return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol));
1437 }
1438 
1439 /* codec IO */
1440 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1441 int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
1442 	unsigned int val);
1443 
1444 /**
1445  * snd_soc_cache_sync() - Sync the register cache with the hardware
1446  * @codec: CODEC to sync
1447  *
1448  * Note: This function will call regcache_sync()
1449  */
1450 static inline int snd_soc_cache_sync(struct snd_soc_codec *codec)
1451 {
1452 	return regcache_sync(codec->component.regmap);
1453 }
1454 
1455 /* component IO */
1456 int snd_soc_component_read(struct snd_soc_component *component,
1457 	unsigned int reg, unsigned int *val);
1458 int snd_soc_component_write(struct snd_soc_component *component,
1459 	unsigned int reg, unsigned int val);
1460 int snd_soc_component_update_bits(struct snd_soc_component *component,
1461 	unsigned int reg, unsigned int mask, unsigned int val);
1462 int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1463 	unsigned int reg, unsigned int mask, unsigned int val);
1464 void snd_soc_component_async_complete(struct snd_soc_component *component);
1465 int snd_soc_component_test_bits(struct snd_soc_component *component,
1466 	unsigned int reg, unsigned int mask, unsigned int value);
1467 
1468 #ifdef CONFIG_REGMAP
1469 
1470 void snd_soc_component_init_regmap(struct snd_soc_component *component,
1471 	struct regmap *regmap);
1472 void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1473 
1474 /**
1475  * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC
1476  * @codec: The CODEC for which to initialize the regmap instance
1477  * @regmap: The regmap instance that should be used by the CODEC
1478  *
1479  * This function allows deferred assignment of the regmap instance that is
1480  * associated with the CODEC. Only use this if the regmap instance is not yet
1481  * ready when the CODEC is registered. The function must also be called before
1482  * the first IO attempt of the CODEC.
1483  */
1484 static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec,
1485 	struct regmap *regmap)
1486 {
1487 	snd_soc_component_init_regmap(&codec->component, regmap);
1488 }
1489 
1490 /**
1491  * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC
1492  * @codec: The CODEC for which to de-initialize the regmap instance
1493  *
1494  * Calls regmap_exit() on the regmap instance associated to the CODEC and
1495  * removes the regmap instance from the CODEC.
1496  *
1497  * This function should only be used if snd_soc_codec_init_regmap() was used to
1498  * initialize the regmap instance.
1499  */
1500 static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec)
1501 {
1502 	snd_soc_component_exit_regmap(&codec->component);
1503 }
1504 
1505 #endif
1506 
1507 /* device driver data */
1508 
1509 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1510 		void *data)
1511 {
1512 	card->drvdata = data;
1513 }
1514 
1515 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1516 {
1517 	return card->drvdata;
1518 }
1519 
1520 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1521 		void *data)
1522 {
1523 	dev_set_drvdata(c->dev, data);
1524 }
1525 
1526 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1527 {
1528 	return dev_get_drvdata(c->dev);
1529 }
1530 
1531 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1532 		void *data)
1533 {
1534 	snd_soc_component_set_drvdata(&codec->component, data);
1535 }
1536 
1537 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1538 {
1539 	return snd_soc_component_get_drvdata(&codec->component);
1540 }
1541 
1542 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1543 		void *data)
1544 {
1545 	snd_soc_component_set_drvdata(&platform->component, data);
1546 }
1547 
1548 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1549 {
1550 	return snd_soc_component_get_drvdata(&platform->component);
1551 }
1552 
1553 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1554 {
1555 	INIT_LIST_HEAD(&card->widgets);
1556 	INIT_LIST_HEAD(&card->paths);
1557 	INIT_LIST_HEAD(&card->dapm_list);
1558 	INIT_LIST_HEAD(&card->aux_comp_list);
1559 	INIT_LIST_HEAD(&card->component_dev_list);
1560 }
1561 
1562 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1563 {
1564 	if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1565 		return 0;
1566 	/*
1567 	 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1568 	 * mc->reg != mc->rreg means that the control is
1569 	 * stereo (bits in one register or in two registers)
1570 	 */
1571 	return 1;
1572 }
1573 
1574 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1575 	unsigned int val)
1576 {
1577 	unsigned int i;
1578 
1579 	if (!e->values)
1580 		return val;
1581 
1582 	for (i = 0; i < e->items; i++)
1583 		if (val == e->values[i])
1584 			return i;
1585 
1586 	return 0;
1587 }
1588 
1589 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1590 	unsigned int item)
1591 {
1592 	if (!e->values)
1593 		return item;
1594 
1595 	return e->values[item];
1596 }
1597 
1598 static inline bool snd_soc_component_is_active(
1599 	struct snd_soc_component *component)
1600 {
1601 	return component->active != 0;
1602 }
1603 
1604 static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
1605 {
1606 	return snd_soc_component_is_active(&codec->component);
1607 }
1608 
1609 /**
1610  * snd_soc_kcontrol_component() - Returns the component that registered the
1611  *  control
1612  * @kcontrol: The control for which to get the component
1613  *
1614  * Note: This function will work correctly if the control has been registered
1615  * for a component. Either with snd_soc_add_codec_controls() or
1616  * snd_soc_add_platform_controls() or via  table based setup for either a
1617  * CODEC, a platform or component driver. Otherwise the behavior is undefined.
1618  */
1619 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1620 	struct snd_kcontrol *kcontrol)
1621 {
1622 	return snd_kcontrol_chip(kcontrol);
1623 }
1624 
1625 /**
1626  * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control
1627  * @kcontrol: The control for which to get the CODEC
1628  *
1629  * Note: This function will only work correctly if the control has been
1630  * registered with snd_soc_add_codec_controls() or via table based setup of
1631  * snd_soc_codec_driver. Otherwise the behavior is undefined.
1632  */
1633 static inline struct snd_soc_codec *snd_soc_kcontrol_codec(
1634 	struct snd_kcontrol *kcontrol)
1635 {
1636 	return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
1637 }
1638 
1639 /**
1640  * snd_soc_kcontrol_platform() - Returns the platform that registered the control
1641  * @kcontrol: The control for which to get the platform
1642  *
1643  * Note: This function will only work correctly if the control has been
1644  * registered with snd_soc_add_platform_controls() or via table based setup of
1645  * a snd_soc_platform_driver. Otherwise the behavior is undefined.
1646  */
1647 static inline struct snd_soc_platform *snd_soc_kcontrol_platform(
1648 	struct snd_kcontrol *kcontrol)
1649 {
1650 	return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
1651 }
1652 
1653 int snd_soc_util_init(void);
1654 void snd_soc_util_exit(void);
1655 
1656 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1657 			       const char *propname);
1658 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1659 					  const char *propname);
1660 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1661 			      unsigned int *tx_mask,
1662 			      unsigned int *rx_mask,
1663 			      unsigned int *slots,
1664 			      unsigned int *slot_width);
1665 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1666 				   struct snd_soc_codec_conf *codec_conf,
1667 				   struct device_node *of_node,
1668 				   const char *propname);
1669 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1670 				   const char *propname);
1671 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1672 				     const char *prefix,
1673 				     struct device_node **bitclkmaster,
1674 				     struct device_node **framemaster);
1675 int snd_soc_get_dai_id(struct device_node *ep);
1676 int snd_soc_get_dai_name(struct of_phandle_args *args,
1677 			 const char **dai_name);
1678 int snd_soc_of_get_dai_name(struct device_node *of_node,
1679 			    const char **dai_name);
1680 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1681 				   struct device_node *of_node,
1682 				   struct snd_soc_dai_link *dai_link);
1683 
1684 int snd_soc_add_dai_link(struct snd_soc_card *card,
1685 				struct snd_soc_dai_link *dai_link);
1686 void snd_soc_remove_dai_link(struct snd_soc_card *card,
1687 			     struct snd_soc_dai_link *dai_link);
1688 struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1689 					       int id, const char *name,
1690 					       const char *stream_name);
1691 
1692 int snd_soc_register_dai(struct snd_soc_component *component,
1693 	struct snd_soc_dai_driver *dai_drv);
1694 
1695 struct snd_soc_dai *snd_soc_find_dai(
1696 	const struct snd_soc_dai_link_component *dlc);
1697 
1698 #include <sound/soc-dai.h>
1699 
1700 #ifdef CONFIG_DEBUG_FS
1701 extern struct dentry *snd_soc_debugfs_root;
1702 #endif
1703 
1704 extern const struct dev_pm_ops snd_soc_pm_ops;
1705 
1706 /* Helper functions */
1707 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1708 {
1709 	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1710 }
1711 
1712 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1713 {
1714 	mutex_unlock(&dapm->card->dapm_mutex);
1715 }
1716 
1717 int snd_soc_component_enable_pin(struct snd_soc_component *component,
1718 				 const char *pin);
1719 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1720 					  const char *pin);
1721 int snd_soc_component_disable_pin(struct snd_soc_component *component,
1722 				  const char *pin);
1723 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1724 					   const char *pin);
1725 int snd_soc_component_nc_pin(struct snd_soc_component *component,
1726 			     const char *pin);
1727 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1728 				      const char *pin);
1729 int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1730 				     const char *pin);
1731 int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1732 				       const char *pin);
1733 int snd_soc_component_force_enable_pin_unlocked(
1734 					struct snd_soc_component *component,
1735 					const char *pin);
1736 
1737 #endif
1738