xref: /openbmc/linux/include/sound/soc.h (revision 5b448065)
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 #define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \
303 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
304 	.info = snd_soc_bytes_info, .get = xhandler_get, \
305 	.put = xhandler_put, .private_value = \
306 		((unsigned long)&(struct soc_bytes) \
307 		{.base = xbase, .num_regs = xregs }) }
308 
309 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask)	      \
310 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
311 	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
312 	.put = snd_soc_bytes_put, .private_value =	      \
313 		((unsigned long)&(struct soc_bytes)           \
314 		{.base = xbase, .num_regs = xregs,	      \
315 		 .mask = xmask }) }
316 
317 /*
318  * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
319  */
320 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
321 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
322 	.info = snd_soc_bytes_info_ext, \
323 	.get = xhandler_get, .put = xhandler_put, \
324 	.private_value = (unsigned long)&(struct soc_bytes_ext) \
325 		{.max = xcount} }
326 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
327 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
328 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
329 		  SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
330 	.tlv.c = (snd_soc_bytes_tlv_callback), \
331 	.info = snd_soc_bytes_info_ext, \
332 	.private_value = (unsigned long)&(struct soc_bytes_ext) \
333 		{.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
334 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
335 		xmin, xmax, xinvert) \
336 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
337 	.info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
338 	.put = snd_soc_put_xr_sx, \
339 	.private_value = (unsigned long)&(struct soc_mreg_control) \
340 		{.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
341 		.invert = xinvert, .min = xmin, .max = xmax} }
342 
343 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
344 	SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
345 		snd_soc_get_strobe, snd_soc_put_strobe)
346 
347 /*
348  * Simplified versions of above macros, declaring a struct and calculating
349  * ARRAY_SIZE internally
350  */
351 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
352 	const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
353 						ARRAY_SIZE(xtexts), xtexts)
354 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
355 	SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
356 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
357 	const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
358 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
359 	const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
360 							ARRAY_SIZE(xtexts), xtexts, xvalues)
361 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
362 	SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
363 
364 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
365 	const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
366 		xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
367 
368 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
369 	const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
370 
371 struct device_node;
372 struct snd_jack;
373 struct snd_soc_card;
374 struct snd_soc_pcm_stream;
375 struct snd_soc_ops;
376 struct snd_soc_pcm_runtime;
377 struct snd_soc_dai;
378 struct snd_soc_dai_driver;
379 struct snd_soc_dai_link;
380 struct snd_soc_component;
381 struct snd_soc_component_driver;
382 struct soc_enum;
383 struct snd_soc_jack;
384 struct snd_soc_jack_zone;
385 struct snd_soc_jack_pin;
386 #include <sound/soc-dapm.h>
387 #include <sound/soc-dpcm.h>
388 #include <sound/soc-topology.h>
389 
390 struct snd_soc_jack_gpio;
391 
392 typedef int (*hw_write_t)(void *,const char* ,int);
393 
394 enum snd_soc_pcm_subclass {
395 	SND_SOC_PCM_CLASS_PCM	= 0,
396 	SND_SOC_PCM_CLASS_BE	= 1,
397 };
398 
399 int snd_soc_register_card(struct snd_soc_card *card);
400 int snd_soc_unregister_card(struct snd_soc_card *card);
401 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
402 #ifdef CONFIG_PM_SLEEP
403 int snd_soc_suspend(struct device *dev);
404 int snd_soc_resume(struct device *dev);
405 #else
406 static inline int snd_soc_suspend(struct device *dev)
407 {
408 	return 0;
409 }
410 
411 static inline int snd_soc_resume(struct device *dev)
412 {
413 	return 0;
414 }
415 #endif
416 int snd_soc_poweroff(struct device *dev);
417 int snd_soc_component_initialize(struct snd_soc_component *component,
418 				 const struct snd_soc_component_driver *driver,
419 				 struct device *dev);
420 int snd_soc_add_component(struct snd_soc_component *component,
421 			  struct snd_soc_dai_driver *dai_drv,
422 			  int num_dai);
423 int snd_soc_register_component(struct device *dev,
424 			 const struct snd_soc_component_driver *component_driver,
425 			 struct snd_soc_dai_driver *dai_drv, int num_dai);
426 int devm_snd_soc_register_component(struct device *dev,
427 			 const struct snd_soc_component_driver *component_driver,
428 			 struct snd_soc_dai_driver *dai_drv, int num_dai);
429 void snd_soc_unregister_component(struct device *dev);
430 void snd_soc_unregister_component_by_driver(struct device *dev,
431 			 const struct snd_soc_component_driver *component_driver);
432 struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev,
433 							    const char *driver_name);
434 struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
435 						   const char *driver_name);
436 
437 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
438 #ifdef CONFIG_SND_SOC_COMPRESS
439 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
440 #else
441 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
442 {
443 	return 0;
444 }
445 #endif
446 
447 void snd_soc_disconnect_sync(struct device *dev);
448 
449 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
450 				struct snd_soc_dai_link *dai_link);
451 
452 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
453 
454 void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd,
455 			    int stream, int action);
456 static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd,
457 				     int stream)
458 {
459 	snd_soc_runtime_action(rtd, stream, 1);
460 }
461 static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd,
462 				       int stream)
463 {
464 	snd_soc_runtime_action(rtd, stream, -1);
465 }
466 
467 int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd,
468 			    struct snd_pcm_hardware *hw, int stream);
469 
470 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
471 	unsigned int dai_fmt);
472 
473 #ifdef CONFIG_DMI
474 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
475 #else
476 static 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 */
484 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
485 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
486 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
487 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
488 
489 /* set runtime hw params */
490 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
491 	const struct snd_pcm_hardware *hw);
492 
493 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
494 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
495 	unsigned int id, unsigned int id_mask);
496 void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
497 
498 #ifdef CONFIG_SND_SOC_AC97_BUS
499 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
500 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
501 		struct platform_device *pdev);
502 
503 extern struct snd_ac97_bus_ops *soc_ac97_ops;
504 #else
505 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
506 	struct platform_device *pdev)
507 {
508 	return 0;
509 }
510 
511 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
512 {
513 	return 0;
514 }
515 #endif
516 
517 /*
518  *Controls
519  */
520 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
521 				  void *data, const char *long_name,
522 				  const char *prefix);
523 int snd_soc_add_component_controls(struct snd_soc_component *component,
524 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
525 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
526 	const struct snd_kcontrol_new *controls, int num_controls);
527 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
528 	const struct snd_kcontrol_new *controls, int num_controls);
529 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
530 	struct snd_ctl_elem_info *uinfo);
531 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
532 	struct snd_ctl_elem_value *ucontrol);
533 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
534 	struct snd_ctl_elem_value *ucontrol);
535 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
536 	struct snd_ctl_elem_info *uinfo);
537 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
538 			  struct snd_ctl_elem_info *uinfo);
539 #define snd_soc_info_bool_ext		snd_ctl_boolean_mono_info
540 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
541 	struct snd_ctl_elem_value *ucontrol);
542 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
543 	struct snd_ctl_elem_value *ucontrol);
544 #define snd_soc_get_volsw_2r snd_soc_get_volsw
545 #define snd_soc_put_volsw_2r snd_soc_put_volsw
546 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
547 	struct snd_ctl_elem_value *ucontrol);
548 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
549 	struct snd_ctl_elem_value *ucontrol);
550 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
551 	struct snd_ctl_elem_info *uinfo);
552 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
553 	struct snd_ctl_elem_value *ucontrol);
554 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
555 	struct snd_ctl_elem_value *ucontrol);
556 int snd_soc_limit_volume(struct snd_soc_card *card,
557 	const char *name, int max);
558 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
559 		       struct snd_ctl_elem_info *uinfo);
560 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
561 		      struct snd_ctl_elem_value *ucontrol);
562 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
563 		      struct snd_ctl_elem_value *ucontrol);
564 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
565 	struct snd_ctl_elem_info *ucontrol);
566 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
567 	unsigned int size, unsigned int __user *tlv);
568 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
569 	struct snd_ctl_elem_info *uinfo);
570 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
571 	struct snd_ctl_elem_value *ucontrol);
572 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
573 	struct snd_ctl_elem_value *ucontrol);
574 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
575 	struct snd_ctl_elem_value *ucontrol);
576 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
577 	struct snd_ctl_elem_value *ucontrol);
578 
579 /* SoC PCM stream information */
580 struct snd_soc_pcm_stream {
581 	const char *stream_name;
582 	u64 formats;			/* SNDRV_PCM_FMTBIT_* */
583 	unsigned int rates;		/* SNDRV_PCM_RATE_* */
584 	unsigned int rate_min;		/* min rate */
585 	unsigned int rate_max;		/* max rate */
586 	unsigned int channels_min;	/* min channels */
587 	unsigned int channels_max;	/* max channels */
588 	unsigned int sig_bits;		/* number of bits of content */
589 };
590 
591 /* SoC audio ops */
592 struct snd_soc_ops {
593 	int (*startup)(struct snd_pcm_substream *);
594 	void (*shutdown)(struct snd_pcm_substream *);
595 	int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
596 	int (*hw_free)(struct snd_pcm_substream *);
597 	int (*prepare)(struct snd_pcm_substream *);
598 	int (*trigger)(struct snd_pcm_substream *, int);
599 };
600 
601 struct snd_soc_compr_ops {
602 	int (*startup)(struct snd_compr_stream *);
603 	void (*shutdown)(struct snd_compr_stream *);
604 	int (*set_params)(struct snd_compr_stream *);
605 	int (*trigger)(struct snd_compr_stream *);
606 };
607 
608 struct snd_soc_component*
609 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
610 		       const char *driver_name);
611 
612 struct snd_soc_dai_link_component {
613 	const char *name;
614 	struct device_node *of_node;
615 	const char *dai_name;
616 };
617 
618 struct snd_soc_dai_link {
619 	/* config - must be set by machine driver */
620 	const char *name;			/* Codec name */
621 	const char *stream_name;		/* Stream name */
622 
623 	/*
624 	 * You MAY specify the link's CPU-side device, either by device name,
625 	 * or by DT/OF node, but not both. If this information is omitted,
626 	 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
627 	 * must be globally unique. These fields are currently typically used
628 	 * only for codec to codec links, or systems using device tree.
629 	 */
630 	/*
631 	 * You MAY specify the DAI name of the CPU DAI. If this information is
632 	 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
633 	 * only, which only works well when that device exposes a single DAI.
634 	 */
635 	struct snd_soc_dai_link_component *cpus;
636 	unsigned int num_cpus;
637 
638 	/*
639 	 * You MUST specify the link's codec, either by device name, or by
640 	 * DT/OF node, but not both.
641 	 */
642 	/* You MUST specify the DAI name within the codec */
643 	struct snd_soc_dai_link_component *codecs;
644 	unsigned int num_codecs;
645 
646 	/*
647 	 * You MAY specify the link's platform/PCM/DMA driver, either by
648 	 * device name, or by DT/OF node, but not both. Some forms of link
649 	 * do not need a platform. In such case, platforms are not mandatory.
650 	 */
651 	struct snd_soc_dai_link_component *platforms;
652 	unsigned int num_platforms;
653 
654 	int id;	/* optional ID for machine driver link identification */
655 
656 	const struct snd_soc_pcm_stream *params;
657 	unsigned int num_params;
658 
659 	unsigned int dai_fmt;           /* format to set on init */
660 
661 	enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
662 
663 	/* codec/machine specific init - e.g. add machine controls */
664 	int (*init)(struct snd_soc_pcm_runtime *rtd);
665 
666 	/* codec/machine specific exit - dual of init() */
667 	void (*exit)(struct snd_soc_pcm_runtime *rtd);
668 
669 	/* optional hw_params re-writing for BE and FE sync */
670 	int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
671 			struct snd_pcm_hw_params *params);
672 
673 	/* machine stream operations */
674 	const struct snd_soc_ops *ops;
675 	const struct snd_soc_compr_ops *compr_ops;
676 
677 	/* Mark this pcm with non atomic ops */
678 	unsigned int nonatomic:1;
679 
680 	/* For unidirectional dai links */
681 	unsigned int playback_only:1;
682 	unsigned int capture_only:1;
683 
684 	/* Keep DAI active over suspend */
685 	unsigned int ignore_suspend:1;
686 
687 	/* Symmetry requirements */
688 	unsigned int symmetric_rate:1;
689 	unsigned int symmetric_channels:1;
690 	unsigned int symmetric_sample_bits:1;
691 
692 	/* Do not create a PCM for this DAI link (Backend link) */
693 	unsigned int no_pcm:1;
694 
695 	/* This DAI link can route to other DAI links at runtime (Frontend)*/
696 	unsigned int dynamic:1;
697 
698 	/* DPCM capture and Playback support */
699 	unsigned int dpcm_capture:1;
700 	unsigned int dpcm_playback:1;
701 
702 	/* DPCM used FE & BE merged format */
703 	unsigned int dpcm_merged_format:1;
704 	/* DPCM used FE & BE merged channel */
705 	unsigned int dpcm_merged_chan:1;
706 	/* DPCM used FE & BE merged rate */
707 	unsigned int dpcm_merged_rate:1;
708 
709 	/* pmdown_time is ignored at stop */
710 	unsigned int ignore_pmdown_time:1;
711 
712 	/* Do not create a PCM for this DAI link (Backend link) */
713 	unsigned int ignore:1;
714 
715 #ifdef CONFIG_SND_SOC_TOPOLOGY
716 	struct snd_soc_dobj dobj; /* For topology */
717 #endif
718 };
719 
720 static inline struct snd_soc_dai_link_component*
721 asoc_link_to_cpu(struct snd_soc_dai_link *link, int n) {
722 	return &(link)->cpus[n];
723 }
724 
725 static inline struct snd_soc_dai_link_component*
726 asoc_link_to_codec(struct snd_soc_dai_link *link, int n) {
727 	return &(link)->codecs[n];
728 }
729 
730 static inline struct snd_soc_dai_link_component*
731 asoc_link_to_platform(struct snd_soc_dai_link *link, int n) {
732 	return &(link)->platforms[n];
733 }
734 
735 #define for_each_link_codecs(link, i, codec)				\
736 	for ((i) = 0;							\
737 	     ((i) < link->num_codecs) &&				\
738 		     ((codec) = asoc_link_to_codec(link, i));		\
739 	     (i)++)
740 
741 #define for_each_link_platforms(link, i, platform)			\
742 	for ((i) = 0;							\
743 	     ((i) < link->num_platforms) &&				\
744 		     ((platform) = asoc_link_to_platform(link, i));	\
745 	     (i)++)
746 
747 #define for_each_link_cpus(link, i, cpu)				\
748 	for ((i) = 0;							\
749 	     ((i) < link->num_cpus) &&					\
750 		     ((cpu) = asoc_link_to_cpu(link, i));		\
751 	     (i)++)
752 
753 /*
754  * Sample 1 : Single CPU/Codec/Platform
755  *
756  * SND_SOC_DAILINK_DEFS(test,
757  *	DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")),
758  *	DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")),
759  *	DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
760  *
761  * struct snd_soc_dai_link link = {
762  *	...
763  *	SND_SOC_DAILINK_REG(test),
764  * };
765  *
766  * Sample 2 : Multi CPU/Codec, no Platform
767  *
768  * SND_SOC_DAILINK_DEFS(test,
769  *	DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
770  *			   COMP_CPU("cpu_dai2")),
771  *	DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
772  *			   COMP_CODEC("codec2", "codec_dai2")));
773  *
774  * struct snd_soc_dai_link link = {
775  *	...
776  *	SND_SOC_DAILINK_REG(test),
777  * };
778  *
779  * Sample 3 : Define each CPU/Codec/Platform manually
780  *
781  * SND_SOC_DAILINK_DEF(test_cpu,
782  *		DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
783  *				   COMP_CPU("cpu_dai2")));
784  * SND_SOC_DAILINK_DEF(test_codec,
785  *		DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
786  *				   COMP_CODEC("codec2", "codec_dai2")));
787  * SND_SOC_DAILINK_DEF(test_platform,
788  *		DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
789  *
790  * struct snd_soc_dai_link link = {
791  *	...
792  *	SND_SOC_DAILINK_REG(test_cpu,
793  *			    test_codec,
794  *			    test_platform),
795  * };
796  *
797  * Sample 4 : Sample3 without platform
798  *
799  * struct snd_soc_dai_link link = {
800  *	...
801  *	SND_SOC_DAILINK_REG(test_cpu,
802  *			    test_codec);
803  * };
804  */
805 
806 #define SND_SOC_DAILINK_REG1(name)	 SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms)
807 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component)
808 #define SND_SOC_DAILINK_REG3(cpu, codec, platform)	\
809 	.cpus		= cpu,				\
810 	.num_cpus	= ARRAY_SIZE(cpu),		\
811 	.codecs		= codec,			\
812 	.num_codecs	= ARRAY_SIZE(codec),		\
813 	.platforms	= platform,			\
814 	.num_platforms	= ARRAY_SIZE(platform)
815 
816 #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func
817 #define SND_SOC_DAILINK_REG(...) \
818 	SND_SOC_DAILINK_REGx(__VA_ARGS__,		\
819 			SND_SOC_DAILINK_REG3,	\
820 			SND_SOC_DAILINK_REG2,	\
821 			SND_SOC_DAILINK_REG1)(__VA_ARGS__)
822 
823 #define SND_SOC_DAILINK_DEF(name, def...)		\
824 	static struct snd_soc_dai_link_component name[]	= { def }
825 
826 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...)	\
827 	SND_SOC_DAILINK_DEF(name##_cpus, cpu);			\
828 	SND_SOC_DAILINK_DEF(name##_codecs, codec);		\
829 	SND_SOC_DAILINK_DEF(name##_platforms, platform)
830 
831 #define DAILINK_COMP_ARRAY(param...)	param
832 #define COMP_EMPTY()			{ }
833 #define COMP_CPU(_dai)			{ .dai_name = _dai, }
834 #define COMP_CODEC(_name, _dai)		{ .name = _name, .dai_name = _dai, }
835 #define COMP_PLATFORM(_name)		{ .name = _name }
836 #define COMP_AUX(_name)			{ .name = _name }
837 #define COMP_CODEC_CONF(_name)		{ .name = _name }
838 #define COMP_DUMMY()			{ .name = "snd-soc-dummy", .dai_name = "snd-soc-dummy-dai", }
839 
840 extern struct snd_soc_dai_link_component null_dailink_component[0];
841 
842 
843 struct snd_soc_codec_conf {
844 	/*
845 	 * specify device either by device name, or by
846 	 * DT/OF node, but not both.
847 	 */
848 	struct snd_soc_dai_link_component dlc;
849 
850 	/*
851 	 * optional map of kcontrol, widget and path name prefixes that are
852 	 * associated per device
853 	 */
854 	const char *name_prefix;
855 };
856 
857 struct snd_soc_aux_dev {
858 	/*
859 	 * specify multi-codec either by device name, or by
860 	 * DT/OF node, but not both.
861 	 */
862 	struct snd_soc_dai_link_component dlc;
863 
864 	/* codec/machine specific init - e.g. add machine controls */
865 	int (*init)(struct snd_soc_component *component);
866 };
867 
868 /* SoC card */
869 struct snd_soc_card {
870 	const char *name;
871 	const char *long_name;
872 	const char *driver_name;
873 	const char *components;
874 #ifdef CONFIG_DMI
875 	char dmi_longname[80];
876 #endif /* CONFIG_DMI */
877 	char topology_shortname[32];
878 
879 	struct device *dev;
880 	struct snd_card *snd_card;
881 	struct module *owner;
882 
883 	struct mutex mutex;
884 	struct mutex dapm_mutex;
885 
886 	/* Mutex for PCM operations */
887 	struct mutex pcm_mutex;
888 	enum snd_soc_pcm_subclass pcm_subclass;
889 
890 	spinlock_t dpcm_lock;
891 
892 	int (*probe)(struct snd_soc_card *card);
893 	int (*late_probe)(struct snd_soc_card *card);
894 	int (*remove)(struct snd_soc_card *card);
895 
896 	/* the pre and post PM functions are used to do any PM work before and
897 	 * after the codec and DAI's do any PM work. */
898 	int (*suspend_pre)(struct snd_soc_card *card);
899 	int (*suspend_post)(struct snd_soc_card *card);
900 	int (*resume_pre)(struct snd_soc_card *card);
901 	int (*resume_post)(struct snd_soc_card *card);
902 
903 	/* callbacks */
904 	int (*set_bias_level)(struct snd_soc_card *,
905 			      struct snd_soc_dapm_context *dapm,
906 			      enum snd_soc_bias_level level);
907 	int (*set_bias_level_post)(struct snd_soc_card *,
908 				   struct snd_soc_dapm_context *dapm,
909 				   enum snd_soc_bias_level level);
910 
911 	int (*add_dai_link)(struct snd_soc_card *,
912 			    struct snd_soc_dai_link *link);
913 	void (*remove_dai_link)(struct snd_soc_card *,
914 			    struct snd_soc_dai_link *link);
915 
916 	long pmdown_time;
917 
918 	/* CPU <--> Codec DAI links  */
919 	struct snd_soc_dai_link *dai_link;  /* predefined links only */
920 	int num_links;  /* predefined links only */
921 
922 	struct list_head rtd_list;
923 	int num_rtd;
924 
925 	/* optional codec specific configuration */
926 	struct snd_soc_codec_conf *codec_conf;
927 	int num_configs;
928 
929 	/*
930 	 * optional auxiliary devices such as amplifiers or codecs with DAI
931 	 * link unused
932 	 */
933 	struct snd_soc_aux_dev *aux_dev;
934 	int num_aux_devs;
935 	struct list_head aux_comp_list;
936 
937 	const struct snd_kcontrol_new *controls;
938 	int num_controls;
939 
940 	/*
941 	 * Card-specific routes and widgets.
942 	 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
943 	 */
944 	const struct snd_soc_dapm_widget *dapm_widgets;
945 	int num_dapm_widgets;
946 	const struct snd_soc_dapm_route *dapm_routes;
947 	int num_dapm_routes;
948 	const struct snd_soc_dapm_widget *of_dapm_widgets;
949 	int num_of_dapm_widgets;
950 	const struct snd_soc_dapm_route *of_dapm_routes;
951 	int num_of_dapm_routes;
952 
953 	/* lists of probed devices belonging to this card */
954 	struct list_head component_dev_list;
955 	struct list_head list;
956 
957 	struct list_head widgets;
958 	struct list_head paths;
959 	struct list_head dapm_list;
960 	struct list_head dapm_dirty;
961 
962 	/* attached dynamic objects */
963 	struct list_head dobj_list;
964 
965 	/* Generic DAPM context for the card */
966 	struct snd_soc_dapm_context dapm;
967 	struct snd_soc_dapm_stats dapm_stats;
968 	struct snd_soc_dapm_update *update;
969 
970 #ifdef CONFIG_DEBUG_FS
971 	struct dentry *debugfs_card_root;
972 #endif
973 #ifdef CONFIG_PM_SLEEP
974 	struct work_struct deferred_resume_work;
975 #endif
976 	u32 pop_time;
977 
978 	/* bit field */
979 	unsigned int instantiated:1;
980 	unsigned int topology_shortname_created:1;
981 	unsigned int fully_routed:1;
982 	unsigned int disable_route_checks:1;
983 	unsigned int probed:1;
984 	unsigned int component_chaining:1;
985 
986 	void *drvdata;
987 };
988 #define for_each_card_prelinks(card, i, link)				\
989 	for ((i) = 0;							\
990 	     ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
991 	     (i)++)
992 #define for_each_card_pre_auxs(card, i, aux)				\
993 	for ((i) = 0;							\
994 	     ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \
995 	     (i)++)
996 
997 #define for_each_card_rtds(card, rtd)			\
998 	list_for_each_entry(rtd, &(card)->rtd_list, list)
999 #define for_each_card_rtds_safe(card, rtd, _rtd)	\
1000 	list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1001 
1002 #define for_each_card_auxs(card, component)			\
1003 	list_for_each_entry(component, &card->aux_comp_list, card_aux_list)
1004 #define for_each_card_auxs_safe(card, component, _comp)	\
1005 	list_for_each_entry_safe(component, _comp,	\
1006 				 &card->aux_comp_list, card_aux_list)
1007 
1008 #define for_each_card_components(card, component)			\
1009 	list_for_each_entry(component, &(card)->component_dev_list, card_list)
1010 
1011 #define for_each_card_dapms(card, dapm)					\
1012 	list_for_each_entry(dapm, &card->dapm_list, list)
1013 
1014 #define for_each_card_widgets(card, w)\
1015 	list_for_each_entry(w, &card->widgets, list)
1016 #define for_each_card_widgets_safe(card, w, _w)	\
1017 	list_for_each_entry_safe(w, _w, &card->widgets, list)
1018 
1019 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1020 struct snd_soc_pcm_runtime {
1021 	struct device *dev;
1022 	struct snd_soc_card *card;
1023 	struct snd_soc_dai_link *dai_link;
1024 	struct snd_pcm_ops ops;
1025 
1026 	unsigned int params_select; /* currently selected param for dai link */
1027 
1028 	/* Dynamic PCM BE runtime data */
1029 	struct snd_soc_dpcm_runtime dpcm[2];
1030 
1031 	long pmdown_time;
1032 
1033 	/* runtime devices */
1034 	struct snd_pcm *pcm;
1035 	struct snd_compr *compr;
1036 
1037 	/*
1038 	 * dais = cpu_dai + codec_dai
1039 	 * see
1040 	 *	soc_new_pcm_runtime()
1041 	 *	asoc_rtd_to_cpu()
1042 	 *	asoc_rtd_to_codec()
1043 	 */
1044 	struct snd_soc_dai **dais;
1045 	unsigned int num_codecs;
1046 	unsigned int num_cpus;
1047 
1048 	struct snd_soc_dapm_widget *playback_widget;
1049 	struct snd_soc_dapm_widget *capture_widget;
1050 
1051 	struct delayed_work delayed_work;
1052 	void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd);
1053 #ifdef CONFIG_DEBUG_FS
1054 	struct dentry *debugfs_dpcm_root;
1055 #endif
1056 
1057 	unsigned int num; /* 0-based and monotonic increasing */
1058 	struct list_head list; /* rtd list of the soc card */
1059 
1060 	/* function mark */
1061 	struct snd_pcm_substream *mark_startup;
1062 	struct snd_pcm_substream *mark_hw_params;
1063 	struct snd_pcm_substream *mark_trigger;
1064 	struct snd_compr_stream  *mark_compr_startup;
1065 
1066 	/* bit field */
1067 	unsigned int pop_wait:1;
1068 	unsigned int fe_compr:1; /* for Dynamic PCM */
1069 
1070 	int num_components;
1071 	struct snd_soc_component *components[]; /* CPU/Codec/Platform */
1072 };
1073 /* see soc_new_pcm_runtime()  */
1074 #define asoc_rtd_to_cpu(rtd, n)   (rtd)->dais[n]
1075 #define asoc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->num_cpus]
1076 #define asoc_substream_to_rtd(substream) \
1077 	(struct snd_soc_pcm_runtime *)snd_pcm_substream_chip(substream)
1078 
1079 #define for_each_rtd_components(rtd, i, component)			\
1080 	for ((i) = 0, component = NULL;					\
1081 	     ((i) < rtd->num_components) && ((component) = rtd->components[i]);\
1082 	     (i)++)
1083 #define for_each_rtd_cpu_dais(rtd, i, dai)				\
1084 	for ((i) = 0;							\
1085 	     ((i) < rtd->num_cpus) && ((dai) = asoc_rtd_to_cpu(rtd, i)); \
1086 	     (i)++)
1087 #define for_each_rtd_codec_dais(rtd, i, dai)				\
1088 	for ((i) = 0;							\
1089 	     ((i) < rtd->num_codecs) && ((dai) = asoc_rtd_to_codec(rtd, i)); \
1090 	     (i)++)
1091 #define for_each_rtd_dais(rtd, i, dai)					\
1092 	for ((i) = 0;							\
1093 	     ((i) < (rtd)->num_cpus + (rtd)->num_codecs) &&		\
1094 		     ((dai) = (rtd)->dais[i]);				\
1095 	     (i)++)
1096 
1097 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd);
1098 
1099 /* mixer control */
1100 struct soc_mixer_control {
1101 	int min, max, platform_max;
1102 	int reg, rreg;
1103 	unsigned int shift, rshift;
1104 	unsigned int sign_bit;
1105 	unsigned int invert:1;
1106 	unsigned int autodisable:1;
1107 #ifdef CONFIG_SND_SOC_TOPOLOGY
1108 	struct snd_soc_dobj dobj;
1109 #endif
1110 };
1111 
1112 struct soc_bytes {
1113 	int base;
1114 	int num_regs;
1115 	u32 mask;
1116 };
1117 
1118 struct soc_bytes_ext {
1119 	int max;
1120 #ifdef CONFIG_SND_SOC_TOPOLOGY
1121 	struct snd_soc_dobj dobj;
1122 #endif
1123 	/* used for TLV byte control */
1124 	int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1125 			unsigned int size);
1126 	int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1127 			unsigned int size);
1128 };
1129 
1130 /* multi register control */
1131 struct soc_mreg_control {
1132 	long min, max;
1133 	unsigned int regbase, regcount, nbits, invert;
1134 };
1135 
1136 /* enumerated kcontrol */
1137 struct soc_enum {
1138 	int reg;
1139 	unsigned char shift_l;
1140 	unsigned char shift_r;
1141 	unsigned int items;
1142 	unsigned int mask;
1143 	const char * const *texts;
1144 	const unsigned int *values;
1145 	unsigned int autodisable:1;
1146 #ifdef CONFIG_SND_SOC_TOPOLOGY
1147 	struct snd_soc_dobj dobj;
1148 #endif
1149 };
1150 
1151 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1152 {
1153 	if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1154 		return false;
1155 	/*
1156 	 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1157 	 * mc->reg != mc->rreg means that the control is
1158 	 * stereo (bits in one register or in two registers)
1159 	 */
1160 	return true;
1161 }
1162 
1163 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1164 	unsigned int val)
1165 {
1166 	unsigned int i;
1167 
1168 	if (!e->values)
1169 		return val;
1170 
1171 	for (i = 0; i < e->items; i++)
1172 		if (val == e->values[i])
1173 			return i;
1174 
1175 	return 0;
1176 }
1177 
1178 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1179 	unsigned int item)
1180 {
1181 	if (!e->values)
1182 		return item;
1183 
1184 	return e->values[item];
1185 }
1186 
1187 /**
1188  * snd_soc_kcontrol_component() - Returns the component that registered the
1189  *  control
1190  * @kcontrol: The control for which to get the component
1191  *
1192  * Note: This function will work correctly if the control has been registered
1193  * for a component. With snd_soc_add_codec_controls() or via table based
1194  * setup for either a CODEC or component driver. Otherwise the behavior is
1195  * undefined.
1196  */
1197 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1198 	struct snd_kcontrol *kcontrol)
1199 {
1200 	return snd_kcontrol_chip(kcontrol);
1201 }
1202 
1203 int snd_soc_util_init(void);
1204 void snd_soc_util_exit(void);
1205 
1206 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1207 			       const char *propname);
1208 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1209 					  const char *propname);
1210 int snd_soc_of_get_slot_mask(struct device_node *np,
1211 			     const char *prop_name,
1212 			     unsigned int *mask);
1213 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1214 			      unsigned int *tx_mask,
1215 			      unsigned int *rx_mask,
1216 			      unsigned int *slots,
1217 			      unsigned int *slot_width);
1218 void snd_soc_of_parse_node_prefix(struct device_node *np,
1219 				   struct snd_soc_codec_conf *codec_conf,
1220 				   struct device_node *of_node,
1221 				   const char *propname);
1222 static inline
1223 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1224 				   struct snd_soc_codec_conf *codec_conf,
1225 				   struct device_node *of_node,
1226 				   const char *propname)
1227 {
1228 	snd_soc_of_parse_node_prefix(card->dev->of_node,
1229 				     codec_conf, of_node, propname);
1230 }
1231 
1232 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1233 				   const char *propname);
1234 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname);
1235 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1236 				     const char *prefix,
1237 				     struct device_node **bitclkmaster,
1238 				     struct device_node **framemaster);
1239 int snd_soc_get_dai_id(struct device_node *ep);
1240 int snd_soc_get_dai_name(const struct of_phandle_args *args,
1241 			 const char **dai_name);
1242 int snd_soc_of_get_dai_name(struct device_node *of_node,
1243 			    const char **dai_name);
1244 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1245 				   struct device_node *of_node,
1246 				   struct snd_soc_dai_link *dai_link);
1247 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1248 
1249 int snd_soc_add_pcm_runtime(struct snd_soc_card *card,
1250 			    struct snd_soc_dai_link *dai_link);
1251 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
1252 				struct snd_soc_pcm_runtime *rtd);
1253 
1254 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
1255 					 struct snd_soc_dai_driver *dai_drv,
1256 					 bool legacy_dai_naming);
1257 struct snd_soc_dai *devm_snd_soc_register_dai(struct device *dev,
1258 					      struct snd_soc_component *component,
1259 					      struct snd_soc_dai_driver *dai_drv,
1260 					      bool legacy_dai_naming);
1261 void snd_soc_unregister_dai(struct snd_soc_dai *dai);
1262 
1263 struct snd_soc_dai *snd_soc_find_dai(
1264 	const struct snd_soc_dai_link_component *dlc);
1265 struct snd_soc_dai *snd_soc_find_dai_with_mutex(
1266 	const struct snd_soc_dai_link_component *dlc);
1267 
1268 #include <sound/soc-dai.h>
1269 
1270 static inline
1271 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
1272 					  const char *platform_name)
1273 {
1274 	struct snd_soc_dai_link *dai_link;
1275 	const char *name;
1276 	int i;
1277 
1278 	if (!platform_name) /* nothing to do */
1279 		return 0;
1280 
1281 	/* set platform name for each dailink */
1282 	for_each_card_prelinks(card, i, dai_link) {
1283 		/* only single platform is supported for now */
1284 		if (dai_link->num_platforms != 1)
1285 			return -EINVAL;
1286 
1287 		if (!dai_link->platforms)
1288 			return -EINVAL;
1289 
1290 		name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
1291 		if (!name)
1292 			return -ENOMEM;
1293 
1294 		/* only single platform is supported for now */
1295 		dai_link->platforms->name = name;
1296 	}
1297 
1298 	return 0;
1299 }
1300 
1301 #ifdef CONFIG_DEBUG_FS
1302 extern struct dentry *snd_soc_debugfs_root;
1303 #endif
1304 
1305 extern const struct dev_pm_ops snd_soc_pm_ops;
1306 
1307 /* Helper functions */
1308 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1309 {
1310 	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1311 }
1312 
1313 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1314 {
1315 	mutex_unlock(&dapm->card->dapm_mutex);
1316 }
1317 
1318 #include <sound/soc-component.h>
1319 #include <sound/soc-card.h>
1320 #include <sound/soc-jack.h>
1321 
1322 #endif
1323