xref: /linux/include/sound/soc.h (revision b1a54551dd9ed5ef1763b97b35a0999ca002b95c)
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/args.h>
14 #include <linux/of.h>
15 #include <linux/platform_device.h>
16 #include <linux/types.h>
17 #include <linux/notifier.h>
18 #include <linux/workqueue.h>
19 #include <linux/interrupt.h>
20 #include <linux/kernel.h>
21 #include <linux/regmap.h>
22 #include <linux/log2.h>
23 #include <sound/core.h>
24 #include <sound/pcm.h>
25 #include <sound/compress_driver.h>
26 #include <sound/control.h>
27 #include <sound/ac97_codec.h>
28 
29 /*
30  * Convenience kcontrol builders
31  */
32 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
33 	((unsigned long)&(struct soc_mixer_control) \
34 	{.reg = xreg, .rreg = xreg, .shift = shift_left, \
35 	.rshift = shift_right, .max = xmax, \
36 	.invert = xinvert, .autodisable = xautodisable})
37 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
38 	((unsigned long)&(struct soc_mixer_control) \
39 	{.reg = xreg, .rreg = xreg, .shift = shift_left, \
40 	.rshift = shift_right, .min = xmin, .max = xmax, \
41 	.sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
42 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
43 	SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
44 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
45 	((unsigned long)&(struct soc_mixer_control) \
46 	{.reg = xreg, .max = xmax, .invert = xinvert})
47 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
48 	((unsigned long)&(struct soc_mixer_control) \
49 	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
50 	.max = xmax, .invert = xinvert})
51 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
52 	((unsigned long)&(struct soc_mixer_control) \
53 	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
54 	.max = xmax, .min = xmin, .sign_bit = xsign_bit, \
55 	.invert = xinvert})
56 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
57 	((unsigned long)&(struct soc_mixer_control) \
58 	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
59 	.min = xmin, .max = xmax, .invert = xinvert})
60 #define SOC_SINGLE(xname, reg, shift, max, invert) \
61 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
62 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
63 	.put = snd_soc_put_volsw, \
64 	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
65 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
66 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
67 	.info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
68 	.put = snd_soc_put_volsw_range, \
69 	.private_value = (unsigned long)&(struct soc_mixer_control) \
70 		{.reg = xreg, .rreg = xreg, .shift = xshift, \
71 		 .rshift = xshift,  .min = xmin, .max = xmax, \
72 		 .invert = xinvert} }
73 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
74 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
75 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
76 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
77 	.tlv.p = (tlv_array), \
78 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
79 	.put = snd_soc_put_volsw, \
80 	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
81 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
82 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
83 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
84 	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
85 	.tlv.p  = (tlv_array),\
86 	.info = snd_soc_info_volsw_sx, \
87 	.get = snd_soc_get_volsw_sx,\
88 	.put = snd_soc_put_volsw_sx, \
89 	.private_value = (unsigned long)&(struct soc_mixer_control) \
90 		{.reg = xreg, .rreg = xreg, \
91 		.shift = xshift, .rshift = xshift, \
92 		.max = xmax, .min = xmin} }
93 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
94 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
95 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
96 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
97 	.tlv.p = (tlv_array), \
98 	.info = snd_soc_info_volsw_range, \
99 	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
100 	.private_value = (unsigned long)&(struct soc_mixer_control) \
101 		{.reg = xreg, .rreg = xreg, .shift = xshift, \
102 		 .rshift = xshift, .min = xmin, .max = xmax, \
103 		 .invert = xinvert} }
104 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
105 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
106 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
107 	.put = snd_soc_put_volsw, \
108 	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
109 					  max, invert, 0) }
110 #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
111 {									\
112 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),		\
113 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,		\
114 	.access = SNDRV_CTL_ELEM_ACCESS_READ |				\
115 		SNDRV_CTL_ELEM_ACCESS_VOLATILE,				\
116 	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right,	\
117 					  max, invert, 0) }
118 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
119 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
120 	.info = snd_soc_info_volsw, \
121 	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
122 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
123 					    xmax, xinvert) }
124 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
125 			   xmax, xinvert)		\
126 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
127 	.info = snd_soc_info_volsw_range, \
128 	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
129 	.private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
130 					    xshift, xmin, xmax, xinvert) }
131 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
132 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
133 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
134 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
135 	.tlv.p = (tlv_array), \
136 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
137 	.put = snd_soc_put_volsw, \
138 	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
139 					  max, invert, 0) }
140 #define SOC_DOUBLE_SX_TLV(xname, xreg, shift_left, shift_right, xmin, xmax, tlv_array) \
141 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
142 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
143 	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
144 	.tlv.p  = (tlv_array), \
145 	.info = snd_soc_info_volsw_sx, \
146 	.get = snd_soc_get_volsw_sx, \
147 	.put = snd_soc_put_volsw_sx, \
148 	.private_value = (unsigned long)&(struct soc_mixer_control) \
149 		{.reg = xreg, .rreg = xreg, \
150 		.shift = shift_left, .rshift = shift_right, \
151 		.max = xmax, .min = xmin} }
152 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, 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, \
158 	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
159 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
160 					    xmax, xinvert) }
161 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
162 			       xmax, xinvert, tlv_array)		\
163 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
164 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
165 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
166 	.tlv.p = (tlv_array), \
167 	.info = snd_soc_info_volsw_range, \
168 	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
169 	.private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
170 					    xshift, xmin, xmax, xinvert) }
171 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
172 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
173 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
174 	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
175 	.tlv.p  = (tlv_array), \
176 	.info = snd_soc_info_volsw_sx, \
177 	.get = snd_soc_get_volsw_sx, \
178 	.put = snd_soc_put_volsw_sx, \
179 	.private_value = (unsigned long)&(struct soc_mixer_control) \
180 		{.reg = xreg, .rreg = xrreg, \
181 		.shift = xshift, .rshift = xshift, \
182 		.max = xmax, .min = xmin} }
183 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
184 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
185 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
186 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
187 	.tlv.p = (tlv_array), \
188 	.info = snd_soc_info_volsw, \
189 	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
190 	.private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
191 					    xmin, xmax, xsign_bit, xinvert) }
192 #define SOC_SINGLE_S_TLV(xname, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
193 	SOC_DOUBLE_R_S_TLV(xname, xreg, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array)
194 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
195 {	.iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
196 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
197 		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
198 	.tlv.p  = (tlv_array), \
199 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
200 	.put = snd_soc_put_volsw, \
201 	.private_value = (unsigned long)&(struct soc_mixer_control) \
202 	{.reg = xreg, .rreg = xreg,  \
203 	 .min = xmin, .max = xmax, \
204 	.sign_bit = 7,} }
205 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
206 {	.iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
207 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
208 		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
209 	.tlv.p  = (tlv_array), \
210 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
211 	.put = snd_soc_put_volsw, \
212 	.private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
213 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
214 {	.reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
215 	.items = xitems, .texts = xtexts, \
216 	.mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
217 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
218 	SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
219 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
220 {	.items = xitems, .texts = xtexts }
221 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
222 {	.reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
223 	.mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
224 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
225 	SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
226 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
227 {	.reg = xreg, .shift_l = xshift, .shift_r = xshift, \
228 	.mask = xmask, .items = xitems, .texts = xtexts, \
229 	.values = xvalues, .autodisable = 1}
230 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
231 	SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
232 #define SOC_ENUM(xname, xenum) \
233 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
234 	.info = snd_soc_info_enum_double, \
235 	.get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
236 	.private_value = (unsigned long)&xenum }
237 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
238 	 xhandler_get, xhandler_put) \
239 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
240 	.info = snd_soc_info_volsw, \
241 	.get = xhandler_get, .put = xhandler_put, \
242 	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
243 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
244 	 xhandler_get, xhandler_put) \
245 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
246 	.info = snd_soc_info_volsw, \
247 	.get = xhandler_get, .put = xhandler_put, \
248 	.private_value = \
249 		SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
250 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
251 	 xhandler_get, xhandler_put) \
252 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
253 	.info = snd_soc_info_volsw, \
254 	.get = xhandler_get, .put = xhandler_put, \
255 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
256 					    xmax, xinvert) }
257 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
258 	 xhandler_get, xhandler_put, tlv_array) \
259 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
260 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
261 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
262 	.tlv.p = (tlv_array), \
263 	.info = snd_soc_info_volsw, \
264 	.get = xhandler_get, .put = xhandler_put, \
265 	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
266 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, 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_range, \
273 	.get = xhandler_get, .put = xhandler_put, \
274 	.private_value = (unsigned long)&(struct soc_mixer_control) \
275 		{.reg = xreg, .rreg = xreg, .shift = xshift, \
276 		 .rshift = xshift, .min = xmin, .max = xmax, \
277 		 .invert = xinvert} }
278 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
279 	 xhandler_get, xhandler_put, tlv_array) \
280 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
281 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
282 		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
283 	.tlv.p = (tlv_array), \
284 	.info = snd_soc_info_volsw, \
285 	.get = xhandler_get, .put = xhandler_put, \
286 	.private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
287 					  xmax, xinvert, 0) }
288 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
289 	 xhandler_get, xhandler_put, tlv_array) \
290 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
291 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
292 		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
293 	.tlv.p = (tlv_array), \
294 	.info = snd_soc_info_volsw, \
295 	.get = xhandler_get, .put = xhandler_put, \
296 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
297 					    xmax, xinvert) }
298 #define SOC_DOUBLE_R_S_EXT_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, \
299 			       xsign_bit, xinvert, xhandler_get, xhandler_put, \
300 			       tlv_array) \
301 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
302 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
303 		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
304 	.tlv.p = (tlv_array), \
305 	.info = snd_soc_info_volsw, \
306 	.get = xhandler_get, .put = xhandler_put, \
307 	.private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
308 					      xmin, xmax, xsign_bit, xinvert) }
309 #define SOC_SINGLE_S_EXT_TLV(xname, xreg, xshift, xmin, xmax, \
310 			     xsign_bit, xinvert, xhandler_get, xhandler_put, \
311 			     tlv_array) \
312 	SOC_DOUBLE_R_S_EXT_TLV(xname, xreg, xreg, xshift, xmin, xmax, \
313 			       xsign_bit, xinvert, xhandler_get, xhandler_put, \
314 			       tlv_array)
315 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
316 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
317 	.info = snd_soc_info_bool_ext, \
318 	.get = xhandler_get, .put = xhandler_put, \
319 	.private_value = xdata }
320 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
321 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
322 	.info = snd_soc_info_enum_double, \
323 	.get = xhandler_get, .put = xhandler_put, \
324 	.private_value = (unsigned long)&xenum }
325 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
326 	SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
327 
328 #define SND_SOC_BYTES(xname, xbase, xregs)		      \
329 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
330 	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
331 	.put = snd_soc_bytes_put, .private_value =	      \
332 		((unsigned long)&(struct soc_bytes)           \
333 		{.base = xbase, .num_regs = xregs }) }
334 #define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \
335 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
336 	.info = snd_soc_bytes_info, .get = xhandler_get, \
337 	.put = xhandler_put, .private_value = \
338 		((unsigned long)&(struct soc_bytes) \
339 		{.base = xbase, .num_regs = xregs }) }
340 
341 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask)	      \
342 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
343 	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
344 	.put = snd_soc_bytes_put, .private_value =	      \
345 		((unsigned long)&(struct soc_bytes)           \
346 		{.base = xbase, .num_regs = xregs,	      \
347 		 .mask = xmask }) }
348 
349 /*
350  * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
351  */
352 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
353 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
354 	.info = snd_soc_bytes_info_ext, \
355 	.get = xhandler_get, .put = xhandler_put, \
356 	.private_value = (unsigned long)&(struct soc_bytes_ext) \
357 		{.max = xcount} }
358 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
359 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
360 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
361 		  SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
362 	.tlv.c = (snd_soc_bytes_tlv_callback), \
363 	.info = snd_soc_bytes_info_ext, \
364 	.private_value = (unsigned long)&(struct soc_bytes_ext) \
365 		{.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
366 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
367 		xmin, xmax, xinvert) \
368 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
369 	.info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
370 	.put = snd_soc_put_xr_sx, \
371 	.private_value = (unsigned long)&(struct soc_mreg_control) \
372 		{.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
373 		.invert = xinvert, .min = xmin, .max = xmax} }
374 
375 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
376 	SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
377 		snd_soc_get_strobe, snd_soc_put_strobe)
378 
379 /*
380  * Simplified versions of above macros, declaring a struct and calculating
381  * ARRAY_SIZE internally
382  */
383 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
384 	const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
385 						ARRAY_SIZE(xtexts), xtexts)
386 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
387 	SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
388 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
389 	const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
390 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
391 	const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
392 							ARRAY_SIZE(xtexts), xtexts, xvalues)
393 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
394 	SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
395 
396 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
397 	const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
398 		xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
399 
400 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
401 	const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
402 
403 struct device_node;
404 struct snd_jack;
405 struct snd_soc_card;
406 struct snd_soc_pcm_stream;
407 struct snd_soc_ops;
408 struct snd_soc_pcm_runtime;
409 struct snd_soc_dai;
410 struct snd_soc_dai_driver;
411 struct snd_soc_dai_link;
412 struct snd_soc_component;
413 struct snd_soc_component_driver;
414 struct soc_enum;
415 struct snd_soc_jack;
416 struct snd_soc_jack_zone;
417 struct snd_soc_jack_pin;
418 #include <sound/soc-dapm.h>
419 #include <sound/soc-dpcm.h>
420 #include <sound/soc-topology.h>
421 
422 struct snd_soc_jack_gpio;
423 
424 enum snd_soc_pcm_subclass {
425 	SND_SOC_PCM_CLASS_PCM	= 0,
426 	SND_SOC_PCM_CLASS_BE	= 1,
427 };
428 
429 int snd_soc_register_card(struct snd_soc_card *card);
430 void snd_soc_unregister_card(struct snd_soc_card *card);
431 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
432 #ifdef CONFIG_PM_SLEEP
433 int snd_soc_suspend(struct device *dev);
434 int snd_soc_resume(struct device *dev);
435 #else
436 static inline int snd_soc_suspend(struct device *dev)
437 {
438 	return 0;
439 }
440 
441 static inline int snd_soc_resume(struct device *dev)
442 {
443 	return 0;
444 }
445 #endif
446 int snd_soc_poweroff(struct device *dev);
447 int snd_soc_component_initialize(struct snd_soc_component *component,
448 				 const struct snd_soc_component_driver *driver,
449 				 struct device *dev);
450 int snd_soc_add_component(struct snd_soc_component *component,
451 			  struct snd_soc_dai_driver *dai_drv,
452 			  int num_dai);
453 int snd_soc_register_component(struct device *dev,
454 			 const struct snd_soc_component_driver *component_driver,
455 			 struct snd_soc_dai_driver *dai_drv, int num_dai);
456 int devm_snd_soc_register_component(struct device *dev,
457 			 const struct snd_soc_component_driver *component_driver,
458 			 struct snd_soc_dai_driver *dai_drv, int num_dai);
459 void snd_soc_unregister_component(struct device *dev);
460 void snd_soc_unregister_component_by_driver(struct device *dev,
461 			 const struct snd_soc_component_driver *component_driver);
462 struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev,
463 							    const char *driver_name);
464 struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
465 						   const char *driver_name);
466 
467 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
468 #ifdef CONFIG_SND_SOC_COMPRESS
469 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
470 #else
471 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
472 {
473 	return 0;
474 }
475 #endif
476 
477 void snd_soc_disconnect_sync(struct device *dev);
478 
479 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
480 				struct snd_soc_dai_link *dai_link);
481 
482 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
483 
484 void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd,
485 			    int stream, int action);
486 static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd,
487 				     int stream)
488 {
489 	snd_soc_runtime_action(rtd, stream, 1);
490 }
491 static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd,
492 				       int stream)
493 {
494 	snd_soc_runtime_action(rtd, stream, -1);
495 }
496 
497 int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd,
498 			    struct snd_pcm_hardware *hw, int stream);
499 
500 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
501 	unsigned int dai_fmt);
502 
503 #ifdef CONFIG_DMI
504 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
505 #else
506 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
507 				       const char *flavour)
508 {
509 	return 0;
510 }
511 #endif
512 
513 /* Utility functions to get clock rates from various things */
514 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
515 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
516 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
517 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
518 int snd_soc_tdm_params_to_bclk(struct snd_pcm_hw_params *params,
519 			       int tdm_width, int tdm_slots, int slot_multiple);
520 
521 /* set runtime hw params */
522 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
523 	const struct snd_pcm_hardware *hw);
524 
525 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
526 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
527 	unsigned int id, unsigned int id_mask);
528 void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
529 
530 #ifdef CONFIG_SND_SOC_AC97_BUS
531 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
532 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
533 		struct platform_device *pdev);
534 
535 extern struct snd_ac97_bus_ops *soc_ac97_ops;
536 #else
537 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
538 	struct platform_device *pdev)
539 {
540 	return 0;
541 }
542 
543 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
544 {
545 	return 0;
546 }
547 #endif
548 
549 /*
550  *Controls
551  */
552 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
553 				  void *data, const char *long_name,
554 				  const char *prefix);
555 int snd_soc_add_component_controls(struct snd_soc_component *component,
556 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
557 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
558 	const struct snd_kcontrol_new *controls, int num_controls);
559 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
560 	const struct snd_kcontrol_new *controls, int num_controls);
561 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
562 	struct snd_ctl_elem_info *uinfo);
563 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
564 	struct snd_ctl_elem_value *ucontrol);
565 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
566 	struct snd_ctl_elem_value *ucontrol);
567 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
568 	struct snd_ctl_elem_info *uinfo);
569 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
570 			  struct snd_ctl_elem_info *uinfo);
571 #define snd_soc_info_bool_ext		snd_ctl_boolean_mono_info
572 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
573 	struct snd_ctl_elem_value *ucontrol);
574 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
575 	struct snd_ctl_elem_value *ucontrol);
576 #define snd_soc_get_volsw_2r snd_soc_get_volsw
577 #define snd_soc_put_volsw_2r snd_soc_put_volsw
578 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
579 	struct snd_ctl_elem_value *ucontrol);
580 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
581 	struct snd_ctl_elem_value *ucontrol);
582 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
583 	struct snd_ctl_elem_info *uinfo);
584 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
585 	struct snd_ctl_elem_value *ucontrol);
586 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
587 	struct snd_ctl_elem_value *ucontrol);
588 int snd_soc_limit_volume(struct snd_soc_card *card,
589 	const char *name, int max);
590 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
591 		       struct snd_ctl_elem_info *uinfo);
592 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
593 		      struct snd_ctl_elem_value *ucontrol);
594 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
595 		      struct snd_ctl_elem_value *ucontrol);
596 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
597 	struct snd_ctl_elem_info *ucontrol);
598 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
599 	unsigned int size, unsigned int __user *tlv);
600 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
601 	struct snd_ctl_elem_info *uinfo);
602 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
603 	struct snd_ctl_elem_value *ucontrol);
604 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
605 	struct snd_ctl_elem_value *ucontrol);
606 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
607 	struct snd_ctl_elem_value *ucontrol);
608 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
609 	struct snd_ctl_elem_value *ucontrol);
610 
611 enum snd_soc_trigger_order {
612 						/* start			stop		     */
613 	SND_SOC_TRIGGER_ORDER_DEFAULT	= 0,	/* Link->Component->DAI		DAI->Component->Link */
614 	SND_SOC_TRIGGER_ORDER_LDC,		/* Link->DAI->Component		Component->DAI->Link */
615 
616 	SND_SOC_TRIGGER_ORDER_MAX,
617 };
618 
619 /* SoC PCM stream information */
620 struct snd_soc_pcm_stream {
621 	const char *stream_name;
622 	u64 formats;			/* SNDRV_PCM_FMTBIT_* */
623 	u32 subformats;			/* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */
624 	unsigned int rates;		/* SNDRV_PCM_RATE_* */
625 	unsigned int rate_min;		/* min rate */
626 	unsigned int rate_max;		/* max rate */
627 	unsigned int channels_min;	/* min channels */
628 	unsigned int channels_max;	/* max channels */
629 	unsigned int sig_bits;		/* number of bits of content */
630 };
631 
632 /* SoC audio ops */
633 struct snd_soc_ops {
634 	int (*startup)(struct snd_pcm_substream *);
635 	void (*shutdown)(struct snd_pcm_substream *);
636 	int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
637 	int (*hw_free)(struct snd_pcm_substream *);
638 	int (*prepare)(struct snd_pcm_substream *);
639 	int (*trigger)(struct snd_pcm_substream *, int);
640 };
641 
642 struct snd_soc_compr_ops {
643 	int (*startup)(struct snd_compr_stream *);
644 	void (*shutdown)(struct snd_compr_stream *);
645 	int (*set_params)(struct snd_compr_stream *);
646 };
647 
648 struct snd_soc_component*
649 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
650 		       const char *driver_name);
651 
652 struct snd_soc_dai_link_component {
653 	const char *name;
654 	struct device_node *of_node;
655 	const char *dai_name;
656 	struct of_phandle_args *dai_args;
657 };
658 
659 /*
660  * [dai_link->ch_maps Image sample]
661  *
662  *-------------------------
663  * CPU0 <---> Codec0
664  *
665  * ch-map[0].cpu = 0	ch-map[0].codec = 0
666  *
667  *-------------------------
668  * CPU0 <---> Codec0
669  * CPU1 <---> Codec1
670  * CPU2 <---> Codec2
671  *
672  * ch-map[0].cpu = 0	ch-map[0].codec = 0
673  * ch-map[1].cpu = 1	ch-map[1].codec = 1
674  * ch-map[2].cpu = 2	ch-map[2].codec = 2
675  *
676  *-------------------------
677  * CPU0 <---> Codec0
678  * CPU1 <-+-> Codec1
679  * CPU2 <-/
680  *
681  * ch-map[0].cpu = 0	ch-map[0].codec = 0
682  * ch-map[1].cpu = 1	ch-map[1].codec = 1
683  * ch-map[2].cpu = 2	ch-map[2].codec = 1
684  *
685  *-------------------------
686  * CPU0 <---> Codec0
687  * CPU1 <-+-> Codec1
688  *	  \-> Codec2
689  *
690  * ch-map[0].cpu = 0	ch-map[0].codec = 0
691  * ch-map[1].cpu = 1	ch-map[1].codec = 1
692  * ch-map[2].cpu = 1	ch-map[2].codec = 2
693  *
694  */
695 struct snd_soc_dai_link_ch_map {
696 	unsigned int cpu;
697 	unsigned int codec;
698 	unsigned int ch_mask;
699 };
700 
701 struct snd_soc_dai_link {
702 	/* config - must be set by machine driver */
703 	const char *name;			/* Codec name */
704 	const char *stream_name;		/* Stream name */
705 
706 	/*
707 	 * You MAY specify the link's CPU-side device, either by device name,
708 	 * or by DT/OF node, but not both. If this information is omitted,
709 	 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
710 	 * must be globally unique. These fields are currently typically used
711 	 * only for codec to codec links, or systems using device tree.
712 	 */
713 	/*
714 	 * You MAY specify the DAI name of the CPU DAI. If this information is
715 	 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
716 	 * only, which only works well when that device exposes a single DAI.
717 	 */
718 	struct snd_soc_dai_link_component *cpus;
719 	unsigned int num_cpus;
720 
721 	/*
722 	 * You MUST specify the link's codec, either by device name, or by
723 	 * DT/OF node, but not both.
724 	 */
725 	/* You MUST specify the DAI name within the codec */
726 	struct snd_soc_dai_link_component *codecs;
727 	unsigned int num_codecs;
728 
729 	/* num_ch_maps = max(num_cpu, num_codecs) */
730 	struct snd_soc_dai_link_ch_map *ch_maps;
731 
732 	/*
733 	 * You MAY specify the link's platform/PCM/DMA driver, either by
734 	 * device name, or by DT/OF node, but not both. Some forms of link
735 	 * do not need a platform. In such case, platforms are not mandatory.
736 	 */
737 	struct snd_soc_dai_link_component *platforms;
738 	unsigned int num_platforms;
739 
740 	int id;	/* optional ID for machine driver link identification */
741 
742 	/*
743 	 * for Codec2Codec
744 	 */
745 	const struct snd_soc_pcm_stream *c2c_params;
746 	unsigned int num_c2c_params;
747 
748 	unsigned int dai_fmt;           /* format to set on init */
749 
750 	enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
751 
752 	/* codec/machine specific init - e.g. add machine controls */
753 	int (*init)(struct snd_soc_pcm_runtime *rtd);
754 
755 	/* codec/machine specific exit - dual of init() */
756 	void (*exit)(struct snd_soc_pcm_runtime *rtd);
757 
758 	/* optional hw_params re-writing for BE and FE sync */
759 	int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
760 			struct snd_pcm_hw_params *params);
761 
762 	/* machine stream operations */
763 	const struct snd_soc_ops *ops;
764 	const struct snd_soc_compr_ops *compr_ops;
765 
766 	/*
767 	 * soc_pcm_trigger() start/stop sequence.
768 	 * see also
769 	 *	snd_soc_component_driver
770 	 *	soc_pcm_trigger()
771 	 */
772 	enum snd_soc_trigger_order trigger_start;
773 	enum snd_soc_trigger_order trigger_stop;
774 
775 	/* Mark this pcm with non atomic ops */
776 	unsigned int nonatomic:1;
777 
778 	/* For unidirectional dai links */
779 	unsigned int playback_only:1;
780 	unsigned int capture_only:1;
781 
782 	/* Keep DAI active over suspend */
783 	unsigned int ignore_suspend:1;
784 
785 	/* Symmetry requirements */
786 	unsigned int symmetric_rate:1;
787 	unsigned int symmetric_channels:1;
788 	unsigned int symmetric_sample_bits:1;
789 
790 	/* Do not create a PCM for this DAI link (Backend link) */
791 	unsigned int no_pcm:1;
792 
793 	/* This DAI link can route to other DAI links at runtime (Frontend)*/
794 	unsigned int dynamic:1;
795 
796 	/* DPCM capture and Playback support */
797 	unsigned int dpcm_capture:1;
798 	unsigned int dpcm_playback:1;
799 
800 	/* DPCM used FE & BE merged format */
801 	unsigned int dpcm_merged_format:1;
802 	/* DPCM used FE & BE merged channel */
803 	unsigned int dpcm_merged_chan:1;
804 	/* DPCM used FE & BE merged rate */
805 	unsigned int dpcm_merged_rate:1;
806 
807 	/* pmdown_time is ignored at stop */
808 	unsigned int ignore_pmdown_time:1;
809 
810 	/* Do not create a PCM for this DAI link (Backend link) */
811 	unsigned int ignore:1;
812 
813 #ifdef CONFIG_SND_SOC_TOPOLOGY
814 	struct snd_soc_dobj dobj; /* For topology */
815 #endif
816 };
817 
818 static inline int snd_soc_link_num_ch_map(struct snd_soc_dai_link *link) {
819 	return max(link->num_cpus, link->num_codecs);
820 }
821 
822 static inline struct snd_soc_dai_link_component*
823 snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) {
824 	return &(link)->cpus[n];
825 }
826 
827 static inline struct snd_soc_dai_link_component*
828 snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) {
829 	return &(link)->codecs[n];
830 }
831 
832 static inline struct snd_soc_dai_link_component*
833 snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) {
834 	return &(link)->platforms[n];
835 }
836 
837 #define for_each_link_codecs(link, i, codec)				\
838 	for ((i) = 0;							\
839 	     ((i) < link->num_codecs) &&				\
840 		     ((codec) = snd_soc_link_to_codec(link, i));		\
841 	     (i)++)
842 
843 #define for_each_link_platforms(link, i, platform)			\
844 	for ((i) = 0;							\
845 	     ((i) < link->num_platforms) &&				\
846 		     ((platform) = snd_soc_link_to_platform(link, i));	\
847 	     (i)++)
848 
849 #define for_each_link_cpus(link, i, cpu)				\
850 	for ((i) = 0;							\
851 	     ((i) < link->num_cpus) &&					\
852 		     ((cpu) = snd_soc_link_to_cpu(link, i));		\
853 	     (i)++)
854 
855 #define for_each_link_ch_maps(link, i, ch_map)			\
856 	for ((i) = 0;						\
857 	     ((i) < snd_soc_link_num_ch_map(link) &&		\
858 		      ((ch_map) = link->ch_maps + i));		\
859 	     (i)++)
860 
861 /*
862  * Sample 1 : Single CPU/Codec/Platform
863  *
864  * SND_SOC_DAILINK_DEFS(test,
865  *	DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")),
866  *	DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")),
867  *	DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
868  *
869  * struct snd_soc_dai_link link = {
870  *	...
871  *	SND_SOC_DAILINK_REG(test),
872  * };
873  *
874  * Sample 2 : Multi CPU/Codec, no Platform
875  *
876  * SND_SOC_DAILINK_DEFS(test,
877  *	DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
878  *			   COMP_CPU("cpu_dai2")),
879  *	DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
880  *			   COMP_CODEC("codec2", "codec_dai2")));
881  *
882  * struct snd_soc_dai_link link = {
883  *	...
884  *	SND_SOC_DAILINK_REG(test),
885  * };
886  *
887  * Sample 3 : Define each CPU/Codec/Platform manually
888  *
889  * SND_SOC_DAILINK_DEF(test_cpu,
890  *		DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
891  *				   COMP_CPU("cpu_dai2")));
892  * SND_SOC_DAILINK_DEF(test_codec,
893  *		DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
894  *				   COMP_CODEC("codec2", "codec_dai2")));
895  * SND_SOC_DAILINK_DEF(test_platform,
896  *		DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
897  *
898  * struct snd_soc_dai_link link = {
899  *	...
900  *	SND_SOC_DAILINK_REG(test_cpu,
901  *			    test_codec,
902  *			    test_platform),
903  * };
904  *
905  * Sample 4 : Sample3 without platform
906  *
907  * struct snd_soc_dai_link link = {
908  *	...
909  *	SND_SOC_DAILINK_REG(test_cpu,
910  *			    test_codec);
911  * };
912  */
913 
914 #define SND_SOC_DAILINK_REG1(name)	 SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms)
915 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component)
916 #define SND_SOC_DAILINK_REG3(cpu, codec, platform)	\
917 	.cpus		= cpu,				\
918 	.num_cpus	= ARRAY_SIZE(cpu),		\
919 	.codecs		= codec,			\
920 	.num_codecs	= ARRAY_SIZE(codec),		\
921 	.platforms	= platform,			\
922 	.num_platforms	= ARRAY_SIZE(platform)
923 
924 #define SND_SOC_DAILINK_REG(...) \
925 	CONCATENATE(SND_SOC_DAILINK_REG, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__)
926 
927 #define SND_SOC_DAILINK_DEF(name, def...)		\
928 	static struct snd_soc_dai_link_component name[]	= { def }
929 
930 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...)	\
931 	SND_SOC_DAILINK_DEF(name##_cpus, cpu);			\
932 	SND_SOC_DAILINK_DEF(name##_codecs, codec);		\
933 	SND_SOC_DAILINK_DEF(name##_platforms, platform)
934 
935 #define DAILINK_COMP_ARRAY(param...)	param
936 #define COMP_EMPTY()			{ }
937 #define COMP_CPU(_dai)			{ .dai_name = _dai, }
938 #define COMP_CODEC(_name, _dai)		{ .name = _name, .dai_name = _dai, }
939 #define COMP_PLATFORM(_name)		{ .name = _name }
940 #define COMP_AUX(_name)			{ .name = _name }
941 #define COMP_CODEC_CONF(_name)		{ .name = _name }
942 #define COMP_DUMMY()			/* see snd_soc_fill_dummy_dai() */
943 
944 extern struct snd_soc_dai_link_component null_dailink_component[0];
945 extern struct snd_soc_dai_link_component snd_soc_dummy_dlc;
946 
947 
948 struct snd_soc_codec_conf {
949 	/*
950 	 * specify device either by device name, or by
951 	 * DT/OF node, but not both.
952 	 */
953 	struct snd_soc_dai_link_component dlc;
954 
955 	/*
956 	 * optional map of kcontrol, widget and path name prefixes that are
957 	 * associated per device
958 	 */
959 	const char *name_prefix;
960 };
961 
962 struct snd_soc_aux_dev {
963 	/*
964 	 * specify multi-codec either by device name, or by
965 	 * DT/OF node, but not both.
966 	 */
967 	struct snd_soc_dai_link_component dlc;
968 
969 	/* codec/machine specific init - e.g. add machine controls */
970 	int (*init)(struct snd_soc_component *component);
971 };
972 
973 /* SoC card */
974 struct snd_soc_card {
975 	const char *name;
976 	const char *long_name;
977 	const char *driver_name;
978 	const char *components;
979 #ifdef CONFIG_DMI
980 	char dmi_longname[80];
981 #endif /* CONFIG_DMI */
982 
983 #ifdef CONFIG_PCI
984 	/*
985 	 * PCI does not define 0 as invalid, so pci_subsystem_set indicates
986 	 * whether a value has been written to these fields.
987 	 */
988 	unsigned short pci_subsystem_vendor;
989 	unsigned short pci_subsystem_device;
990 	bool pci_subsystem_set;
991 #endif /* CONFIG_PCI */
992 
993 	char topology_shortname[32];
994 
995 	struct device *dev;
996 	struct snd_card *snd_card;
997 	struct module *owner;
998 
999 	struct mutex mutex;
1000 	struct mutex dapm_mutex;
1001 
1002 	/* Mutex for PCM operations */
1003 	struct mutex pcm_mutex;
1004 	enum snd_soc_pcm_subclass pcm_subclass;
1005 
1006 	int (*probe)(struct snd_soc_card *card);
1007 	int (*late_probe)(struct snd_soc_card *card);
1008 	void (*fixup_controls)(struct snd_soc_card *card);
1009 	int (*remove)(struct snd_soc_card *card);
1010 
1011 	/* the pre and post PM functions are used to do any PM work before and
1012 	 * after the codec and DAI's do any PM work. */
1013 	int (*suspend_pre)(struct snd_soc_card *card);
1014 	int (*suspend_post)(struct snd_soc_card *card);
1015 	int (*resume_pre)(struct snd_soc_card *card);
1016 	int (*resume_post)(struct snd_soc_card *card);
1017 
1018 	/* callbacks */
1019 	int (*set_bias_level)(struct snd_soc_card *,
1020 			      struct snd_soc_dapm_context *dapm,
1021 			      enum snd_soc_bias_level level);
1022 	int (*set_bias_level_post)(struct snd_soc_card *,
1023 				   struct snd_soc_dapm_context *dapm,
1024 				   enum snd_soc_bias_level level);
1025 
1026 	int (*add_dai_link)(struct snd_soc_card *,
1027 			    struct snd_soc_dai_link *link);
1028 	void (*remove_dai_link)(struct snd_soc_card *,
1029 			    struct snd_soc_dai_link *link);
1030 
1031 	long pmdown_time;
1032 
1033 	/* CPU <--> Codec DAI links  */
1034 	struct snd_soc_dai_link *dai_link;  /* predefined links only */
1035 	int num_links;  /* predefined links only */
1036 
1037 	struct list_head rtd_list;
1038 	int num_rtd;
1039 
1040 	/* optional codec specific configuration */
1041 	struct snd_soc_codec_conf *codec_conf;
1042 	int num_configs;
1043 
1044 	/*
1045 	 * optional auxiliary devices such as amplifiers or codecs with DAI
1046 	 * link unused
1047 	 */
1048 	struct snd_soc_aux_dev *aux_dev;
1049 	int num_aux_devs;
1050 	struct list_head aux_comp_list;
1051 
1052 	const struct snd_kcontrol_new *controls;
1053 	int num_controls;
1054 
1055 	/*
1056 	 * Card-specific routes and widgets.
1057 	 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1058 	 */
1059 	const struct snd_soc_dapm_widget *dapm_widgets;
1060 	int num_dapm_widgets;
1061 	const struct snd_soc_dapm_route *dapm_routes;
1062 	int num_dapm_routes;
1063 	const struct snd_soc_dapm_widget *of_dapm_widgets;
1064 	int num_of_dapm_widgets;
1065 	const struct snd_soc_dapm_route *of_dapm_routes;
1066 	int num_of_dapm_routes;
1067 
1068 	/* lists of probed devices belonging to this card */
1069 	struct list_head component_dev_list;
1070 	struct list_head list;
1071 
1072 	struct list_head widgets;
1073 	struct list_head paths;
1074 	struct list_head dapm_list;
1075 	struct list_head dapm_dirty;
1076 
1077 	/* attached dynamic objects */
1078 	struct list_head dobj_list;
1079 
1080 	/* Generic DAPM context for the card */
1081 	struct snd_soc_dapm_context dapm;
1082 	struct snd_soc_dapm_stats dapm_stats;
1083 	struct snd_soc_dapm_update *update;
1084 
1085 #ifdef CONFIG_DEBUG_FS
1086 	struct dentry *debugfs_card_root;
1087 #endif
1088 #ifdef CONFIG_PM_SLEEP
1089 	struct work_struct deferred_resume_work;
1090 #endif
1091 	u32 pop_time;
1092 
1093 	/* bit field */
1094 	unsigned int instantiated:1;
1095 	unsigned int topology_shortname_created:1;
1096 	unsigned int fully_routed:1;
1097 	unsigned int disable_route_checks:1;
1098 	unsigned int probed:1;
1099 	unsigned int component_chaining:1;
1100 
1101 	void *drvdata;
1102 };
1103 #define for_each_card_prelinks(card, i, link)				\
1104 	for ((i) = 0;							\
1105 	     ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
1106 	     (i)++)
1107 #define for_each_card_pre_auxs(card, i, aux)				\
1108 	for ((i) = 0;							\
1109 	     ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \
1110 	     (i)++)
1111 
1112 #define for_each_card_rtds(card, rtd)			\
1113 	list_for_each_entry(rtd, &(card)->rtd_list, list)
1114 #define for_each_card_rtds_safe(card, rtd, _rtd)	\
1115 	list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1116 
1117 #define for_each_card_auxs(card, component)			\
1118 	list_for_each_entry(component, &card->aux_comp_list, card_aux_list)
1119 #define for_each_card_auxs_safe(card, component, _comp)	\
1120 	list_for_each_entry_safe(component, _comp,	\
1121 				 &card->aux_comp_list, card_aux_list)
1122 
1123 #define for_each_card_components(card, component)			\
1124 	list_for_each_entry(component, &(card)->component_dev_list, card_list)
1125 
1126 #define for_each_card_dapms(card, dapm)					\
1127 	list_for_each_entry(dapm, &card->dapm_list, list)
1128 
1129 #define for_each_card_widgets(card, w)\
1130 	list_for_each_entry(w, &card->widgets, list)
1131 #define for_each_card_widgets_safe(card, w, _w)	\
1132 	list_for_each_entry_safe(w, _w, &card->widgets, list)
1133 
1134 
1135 static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card)
1136 {
1137 	return card && card->instantiated;
1138 }
1139 
1140 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1141 struct snd_soc_pcm_runtime {
1142 	struct device *dev;
1143 	struct snd_soc_card *card;
1144 	struct snd_soc_dai_link *dai_link;
1145 	struct snd_pcm_ops ops;
1146 
1147 	unsigned int c2c_params_select; /* currently selected c2c_param for dai link */
1148 
1149 	/* Dynamic PCM BE runtime data */
1150 	struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1];
1151 	struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1];
1152 
1153 	long pmdown_time;
1154 
1155 	/* runtime devices */
1156 	struct snd_pcm *pcm;
1157 	struct snd_compr *compr;
1158 
1159 	/*
1160 	 * dais = cpu_dai + codec_dai
1161 	 * see
1162 	 *	soc_new_pcm_runtime()
1163 	 *	snd_soc_rtd_to_cpu()
1164 	 *	snd_soc_rtd_to_codec()
1165 	 */
1166 	struct snd_soc_dai **dais;
1167 
1168 	struct delayed_work delayed_work;
1169 	void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd);
1170 #ifdef CONFIG_DEBUG_FS
1171 	struct dentry *debugfs_dpcm_root;
1172 #endif
1173 
1174 	unsigned int num; /* 0-based and monotonic increasing */
1175 	struct list_head list; /* rtd list of the soc card */
1176 
1177 	/* function mark */
1178 	struct snd_pcm_substream *mark_startup;
1179 	struct snd_pcm_substream *mark_hw_params;
1180 	struct snd_pcm_substream *mark_trigger;
1181 	struct snd_compr_stream  *mark_compr_startup;
1182 
1183 	/* bit field */
1184 	unsigned int pop_wait:1;
1185 	unsigned int fe_compr:1; /* for Dynamic PCM */
1186 
1187 	bool initialized;
1188 
1189 	int num_components;
1190 	struct snd_soc_component *components[]; /* CPU/Codec/Platform */
1191 };
1192 
1193 /* see soc_new_pcm_runtime()  */
1194 #define snd_soc_rtd_to_cpu(rtd, n)   (rtd)->dais[n]
1195 #define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus]
1196 #define snd_soc_substream_to_rtd(substream) \
1197 	(struct snd_soc_pcm_runtime *)snd_pcm_substream_chip(substream)
1198 
1199 #define for_each_rtd_components(rtd, i, component)			\
1200 	for ((i) = 0, component = NULL;					\
1201 	     ((i) < rtd->num_components) && ((component) = rtd->components[i]);\
1202 	     (i)++)
1203 #define for_each_rtd_cpu_dais(rtd, i, dai)				\
1204 	for ((i) = 0;							\
1205 	     ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \
1206 	     (i)++)
1207 #define for_each_rtd_codec_dais(rtd, i, dai)				\
1208 	for ((i) = 0;							\
1209 	     ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \
1210 	     (i)++)
1211 #define for_each_rtd_dais(rtd, i, dai)					\
1212 	for ((i) = 0;							\
1213 	     ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) &&	\
1214 		     ((dai) = (rtd)->dais[i]);				\
1215 	     (i)++)
1216 #define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps)
1217 
1218 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd);
1219 
1220 /* mixer control */
1221 struct soc_mixer_control {
1222 	int min, max, platform_max;
1223 	int reg, rreg;
1224 	unsigned int shift, rshift;
1225 	unsigned int sign_bit;
1226 	unsigned int invert:1;
1227 	unsigned int autodisable:1;
1228 #ifdef CONFIG_SND_SOC_TOPOLOGY
1229 	struct snd_soc_dobj dobj;
1230 #endif
1231 };
1232 
1233 struct soc_bytes {
1234 	int base;
1235 	int num_regs;
1236 	u32 mask;
1237 };
1238 
1239 struct soc_bytes_ext {
1240 	int max;
1241 #ifdef CONFIG_SND_SOC_TOPOLOGY
1242 	struct snd_soc_dobj dobj;
1243 #endif
1244 	/* used for TLV byte control */
1245 	int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1246 			unsigned int size);
1247 	int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1248 			unsigned int size);
1249 };
1250 
1251 /* multi register control */
1252 struct soc_mreg_control {
1253 	long min, max;
1254 	unsigned int regbase, regcount, nbits, invert;
1255 };
1256 
1257 /* enumerated kcontrol */
1258 struct soc_enum {
1259 	int reg;
1260 	unsigned char shift_l;
1261 	unsigned char shift_r;
1262 	unsigned int items;
1263 	unsigned int mask;
1264 	const char * const *texts;
1265 	const unsigned int *values;
1266 	unsigned int autodisable:1;
1267 #ifdef CONFIG_SND_SOC_TOPOLOGY
1268 	struct snd_soc_dobj dobj;
1269 #endif
1270 };
1271 
1272 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1273 {
1274 	if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1275 		return false;
1276 	/*
1277 	 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1278 	 * mc->reg != mc->rreg means that the control is
1279 	 * stereo (bits in one register or in two registers)
1280 	 */
1281 	return true;
1282 }
1283 
1284 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1285 	unsigned int val)
1286 {
1287 	unsigned int i;
1288 
1289 	if (!e->values)
1290 		return val;
1291 
1292 	for (i = 0; i < e->items; i++)
1293 		if (val == e->values[i])
1294 			return i;
1295 
1296 	return 0;
1297 }
1298 
1299 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1300 	unsigned int item)
1301 {
1302 	if (!e->values)
1303 		return item;
1304 
1305 	return e->values[item];
1306 }
1307 
1308 /**
1309  * snd_soc_kcontrol_component() - Returns the component that registered the
1310  *  control
1311  * @kcontrol: The control for which to get the component
1312  *
1313  * Note: This function will work correctly if the control has been registered
1314  * for a component. With snd_soc_add_codec_controls() or via table based
1315  * setup for either a CODEC or component driver. Otherwise the behavior is
1316  * undefined.
1317  */
1318 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1319 	struct snd_kcontrol *kcontrol)
1320 {
1321 	return snd_kcontrol_chip(kcontrol);
1322 }
1323 
1324 int snd_soc_util_init(void);
1325 void snd_soc_util_exit(void);
1326 
1327 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1328 			       const char *propname);
1329 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1330 					  const char *propname);
1331 int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop);
1332 int snd_soc_of_get_slot_mask(struct device_node *np,
1333 			     const char *prop_name,
1334 			     unsigned int *mask);
1335 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1336 			      unsigned int *tx_mask,
1337 			      unsigned int *rx_mask,
1338 			      unsigned int *slots,
1339 			      unsigned int *slot_width);
1340 void snd_soc_of_parse_node_prefix(struct device_node *np,
1341 				   struct snd_soc_codec_conf *codec_conf,
1342 				   struct device_node *of_node,
1343 				   const char *propname);
1344 static inline
1345 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1346 				   struct snd_soc_codec_conf *codec_conf,
1347 				   struct device_node *of_node,
1348 				   const char *propname)
1349 {
1350 	snd_soc_of_parse_node_prefix(card->dev->of_node,
1351 				     codec_conf, of_node, propname);
1352 }
1353 
1354 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1355 				   const char *propname);
1356 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname);
1357 
1358 unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt);
1359 unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame);
1360 
1361 unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix);
1362 unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np,
1363 						     const char *prefix,
1364 						     struct device_node **bitclkmaster,
1365 						     struct device_node **framemaster);
1366 #define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)	\
1367 	snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL)
1368 #define snd_soc_daifmt_parse_clock_provider_as_phandle			\
1369 	snd_soc_daifmt_parse_clock_provider_raw
1370 #define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix)		\
1371 	snd_soc_daifmt_clock_provider_from_bitmap(			\
1372 		snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix))
1373 
1374 int snd_soc_get_stream_cpu(struct snd_soc_dai_link *dai_link, int stream);
1375 int snd_soc_get_dlc(const struct of_phandle_args *args,
1376 		    struct snd_soc_dai_link_component *dlc);
1377 int snd_soc_of_get_dlc(struct device_node *of_node,
1378 		       struct of_phandle_args *args,
1379 		       struct snd_soc_dai_link_component *dlc,
1380 		       int index);
1381 int snd_soc_get_dai_id(struct device_node *ep);
1382 int snd_soc_get_dai_name(const struct of_phandle_args *args,
1383 			 const char **dai_name);
1384 int snd_soc_of_get_dai_name(struct device_node *of_node,
1385 			    const char **dai_name, int index);
1386 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1387 				   struct device_node *of_node,
1388 				   struct snd_soc_dai_link *dai_link);
1389 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1390 int snd_soc_of_get_dai_link_cpus(struct device *dev,
1391 				 struct device_node *of_node,
1392 				 struct snd_soc_dai_link *dai_link);
1393 void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link);
1394 
1395 int snd_soc_add_pcm_runtimes(struct snd_soc_card *card,
1396 			     struct snd_soc_dai_link *dai_link,
1397 			     int num_dai_link);
1398 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
1399 				struct snd_soc_pcm_runtime *rtd);
1400 
1401 void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms,
1402 				     struct snd_soc_dai_link_component *cpus);
1403 struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev,
1404 					      struct of_phandle_args *args);
1405 struct snd_soc_dai *snd_soc_get_dai_via_args(struct of_phandle_args *dai_args);
1406 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
1407 					 struct snd_soc_dai_driver *dai_drv,
1408 					 bool legacy_dai_naming);
1409 struct snd_soc_dai *devm_snd_soc_register_dai(struct device *dev,
1410 					      struct snd_soc_component *component,
1411 					      struct snd_soc_dai_driver *dai_drv,
1412 					      bool legacy_dai_naming);
1413 void snd_soc_unregister_dai(struct snd_soc_dai *dai);
1414 
1415 struct snd_soc_dai *snd_soc_find_dai(
1416 	const struct snd_soc_dai_link_component *dlc);
1417 struct snd_soc_dai *snd_soc_find_dai_with_mutex(
1418 	const struct snd_soc_dai_link_component *dlc);
1419 
1420 #include <sound/soc-dai.h>
1421 
1422 static inline
1423 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
1424 					  const char *platform_name)
1425 {
1426 	struct snd_soc_dai_link *dai_link;
1427 	const char *name;
1428 	int i;
1429 
1430 	if (!platform_name) /* nothing to do */
1431 		return 0;
1432 
1433 	/* set platform name for each dailink */
1434 	for_each_card_prelinks(card, i, dai_link) {
1435 		/* only single platform is supported for now */
1436 		if (dai_link->num_platforms != 1)
1437 			return -EINVAL;
1438 
1439 		if (!dai_link->platforms)
1440 			return -EINVAL;
1441 
1442 		name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
1443 		if (!name)
1444 			return -ENOMEM;
1445 
1446 		/* only single platform is supported for now */
1447 		dai_link->platforms->name = name;
1448 	}
1449 
1450 	return 0;
1451 }
1452 
1453 #ifdef CONFIG_DEBUG_FS
1454 extern struct dentry *snd_soc_debugfs_root;
1455 #endif
1456 
1457 extern const struct dev_pm_ops snd_soc_pm_ops;
1458 
1459 /*
1460  *	DAPM helper functions
1461  */
1462 enum snd_soc_dapm_subclass {
1463 	SND_SOC_DAPM_CLASS_ROOT		= 0,
1464 	SND_SOC_DAPM_CLASS_RUNTIME	= 1,
1465 };
1466 
1467 static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card)
1468 {
1469 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT);
1470 }
1471 
1472 static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card)
1473 {
1474 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1475 }
1476 
1477 static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card)
1478 {
1479 	mutex_unlock(&card->dapm_mutex);
1480 }
1481 
1482 static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card)
1483 {
1484 	lockdep_assert_held(&card->dapm_mutex);
1485 }
1486 
1487 static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm)
1488 {
1489 	_snd_soc_dapm_mutex_lock_root_c(dapm->card);
1490 }
1491 
1492 static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm)
1493 {
1494 	_snd_soc_dapm_mutex_lock_c(dapm->card);
1495 }
1496 
1497 static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm)
1498 {
1499 	_snd_soc_dapm_mutex_unlock_c(dapm->card);
1500 }
1501 
1502 static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm)
1503 {
1504 	_snd_soc_dapm_mutex_assert_held_c(dapm->card);
1505 }
1506 
1507 #define snd_soc_dapm_mutex_lock_root(x) _Generic((x),			\
1508 	struct snd_soc_card * :		_snd_soc_dapm_mutex_lock_root_c, \
1509 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_lock_root_d)(x)
1510 #define snd_soc_dapm_mutex_lock(x) _Generic((x),			\
1511 	struct snd_soc_card * :		_snd_soc_dapm_mutex_lock_c,	\
1512 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_lock_d)(x)
1513 #define snd_soc_dapm_mutex_unlock(x) _Generic((x),			\
1514 	struct snd_soc_card * :		_snd_soc_dapm_mutex_unlock_c,	\
1515 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_unlock_d)(x)
1516 #define snd_soc_dapm_mutex_assert_held(x) _Generic((x),			\
1517 	struct snd_soc_card * :		_snd_soc_dapm_mutex_assert_held_c, \
1518 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_assert_held_d)(x)
1519 
1520 /*
1521  *	PCM helper functions
1522  */
1523 static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card)
1524 {
1525 	mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass);
1526 }
1527 
1528 static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card)
1529 {
1530 	mutex_unlock(&card->pcm_mutex);
1531 }
1532 
1533 static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card)
1534 {
1535 	lockdep_assert_held(&card->pcm_mutex);
1536 }
1537 
1538 static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd)
1539 {
1540 	_snd_soc_dpcm_mutex_lock_c(rtd->card);
1541 }
1542 
1543 static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd)
1544 {
1545 	_snd_soc_dpcm_mutex_unlock_c(rtd->card);
1546 }
1547 
1548 static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd)
1549 {
1550 	_snd_soc_dpcm_mutex_assert_held_c(rtd->card);
1551 }
1552 
1553 #define snd_soc_dpcm_mutex_lock(x) _Generic((x),			\
1554 	 struct snd_soc_card * :	_snd_soc_dpcm_mutex_lock_c,	\
1555 	 struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_lock_r)(x)
1556 
1557 #define snd_soc_dpcm_mutex_unlock(x) _Generic((x),			\
1558 	 struct snd_soc_card * :	_snd_soc_dpcm_mutex_unlock_c,	\
1559 	 struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_unlock_r)(x)
1560 
1561 #define snd_soc_dpcm_mutex_assert_held(x) _Generic((x),		\
1562 	struct snd_soc_card * :		_snd_soc_dpcm_mutex_assert_held_c, \
1563 	struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_assert_held_r)(x)
1564 
1565 #include <sound/soc-component.h>
1566 #include <sound/soc-card.h>
1567 #include <sound/soc-jack.h>
1568 
1569 #endif
1570