xref: /linux/include/sound/soc.h (revision d78ddeb8938a366aabfabf60255c1a94de8d8ea1) !
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/array_size.h>
15 #include <linux/device.h>
16 #include <linux/errno.h>
17 #include <linux/interrupt.h>
18 #include <linux/lockdep.h>
19 #include <linux/log2.h>
20 #include <linux/mutex.h>
21 #include <linux/notifier.h>
22 #include <linux/of.h>
23 #include <linux/types.h>
24 #include <linux/workqueue.h>
25 
26 #include <sound/ac97_codec.h>
27 #include <sound/compress_driver.h>
28 #include <sound/control.h>
29 #include <sound/core.h>
30 #include <sound/pcm.h>
31 
32 struct module;
33 struct platform_device;
34 
35 /* For the current users of sound/soc.h to avoid build issues */
36 #include <linux/platform_device.h>
37 #include <linux/regmap.h>
38 
39 /*
40  * Convenience kcontrol builders
41  */
42 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, \
43 			   xinvert, xautodisable) \
44 	((unsigned long)&(struct soc_mixer_control) \
45 	{.reg = xreg, .rreg = xreg, .shift = shift_left, \
46 	.rshift = shift_right, .min = xmin, .max = xmax, \
47 	.sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
48 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmin, xmax, xinvert, xautodisable) \
49 	SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, 0, xinvert, \
50 			   xautodisable)
51 #define SOC_SINGLE_VALUE(xreg, xshift, xmin, xmax, xinvert, xautodisable) \
52 	SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmin, xmax, xinvert, xautodisable)
53 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
54 	((unsigned long)&(struct soc_mixer_control) \
55 	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
56 	.max = xmax, .min = xmin, .sign_bit = xsign_bit, \
57 	.invert = xinvert})
58 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
59 	SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, 0, xinvert)
60 
61 #define SOC_SINGLE(xname, reg, shift, max, invert) \
62 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
63 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
64 	.put = snd_soc_put_volsw, \
65 	.private_value = SOC_SINGLE_VALUE(reg, shift, 0, max, invert, 0) }
66 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
67 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
68 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
69 	.put = snd_soc_put_volsw, \
70 	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmin, xmax, xinvert, 0) }
71 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
72 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
73 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
74 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
75 	.tlv.p = (tlv_array), \
76 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
77 	.put = snd_soc_put_volsw, \
78 	.private_value = SOC_SINGLE_VALUE(reg, shift, 0, max, invert, 0) }
79 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
80 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
81 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
82 	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
83 	.tlv.p  = (tlv_array),\
84 	.info = snd_soc_info_volsw_sx, \
85 	.get = snd_soc_get_volsw_sx,\
86 	.put = snd_soc_put_volsw_sx, \
87 	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmin, xmax, 0, 0) }
88 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
89 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
90 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
91 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
92 	.tlv.p = (tlv_array), \
93 	.info = snd_soc_info_volsw, \
94 	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
95 	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmin, xmax, xinvert, 0) }
96 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
97 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
98 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
99 	.put = snd_soc_put_volsw, \
100 	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
101 					  0, max, invert, 0) }
102 #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
103 {									\
104 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),		\
105 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,		\
106 	.access = SNDRV_CTL_ELEM_ACCESS_READ |				\
107 		SNDRV_CTL_ELEM_ACCESS_VOLATILE,				\
108 	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right,	\
109 					  0, max, invert, 0) }
110 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
111 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
112 	.info = snd_soc_info_volsw, \
113 	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
114 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
115 					    0, xmax, xinvert) }
116 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
117 			   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, \
122 					    xshift, xmin, xmax, xinvert) }
123 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
124 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
125 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
126 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
127 	.tlv.p = (tlv_array), \
128 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
129 	.put = snd_soc_put_volsw, \
130 	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
131 					  0, max, invert, 0) }
132 #define SOC_DOUBLE_SX_TLV(xname, xreg, shift_left, shift_right, xmin, xmax, tlv_array) \
133 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
134 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
135 	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
136 	.tlv.p  = (tlv_array), \
137 	.info = snd_soc_info_volsw_sx, \
138 	.get = snd_soc_get_volsw_sx, \
139 	.put = snd_soc_put_volsw_sx, \
140 	.private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
141 					  xmin, xmax, 0, 0) }
142 #define SOC_DOUBLE_RANGE_TLV(xname, xreg, xshift_left, xshift_right, xmin, xmax, \
143 			     xinvert, tlv_array) \
144 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
145 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
146 		  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
147 	.tlv.p = (tlv_array), \
148 	.info = snd_soc_info_volsw, \
149 	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
150 	.private_value = SOC_DOUBLE_VALUE(xreg, xshift_left, xshift_right, \
151 					  xmin, xmax, xinvert, 0) }
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 					    0, 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, \
168 	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
169 	.private_value = SOC_DOUBLE_R_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 = SOC_DOUBLE_R_VALUE(xreg, xrreg, xshift, xmin, xmax, 0) }
180 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
181 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
182 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
183 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
184 	.tlv.p = (tlv_array), \
185 	.info = snd_soc_info_volsw, \
186 	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
187 	.private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
188 					    xmin, xmax, xsign_bit, xinvert) }
189 #define SOC_SINGLE_S_TLV(xname, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
190 	SOC_DOUBLE_R_S_TLV(xname, xreg, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array)
191 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
192 {	.iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
193 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
194 		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
195 	.tlv.p  = (tlv_array), \
196 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
197 	.put = snd_soc_put_volsw, \
198 	.private_value = (unsigned long)&(struct soc_mixer_control) \
199 	{.reg = xreg, .rreg = xreg,  \
200 	 .min = xmin, .max = xmax, \
201 	.sign_bit = 7,} }
202 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
203 {	.iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
204 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
205 		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
206 	.tlv.p  = (tlv_array), \
207 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
208 	.put = snd_soc_put_volsw, \
209 	.private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
210 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
211 {	.reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
212 	.items = xitems, .texts = xtexts, \
213 	.mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
214 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
215 	SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
216 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
217 {	.items = xitems, .texts = xtexts }
218 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
219 {	.reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
220 	.mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
221 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
222 	SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
223 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
224 {	.reg = xreg, .shift_l = xshift, .shift_r = xshift, \
225 	.mask = xmask, .items = xitems, .texts = xtexts, \
226 	.values = xvalues, .autodisable = 1}
227 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
228 	SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
229 #define SOC_ENUM(xname, xenum) \
230 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
231 	.info = snd_soc_info_enum_double, \
232 	.get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
233 	.private_value = (unsigned long)&xenum }
234 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
235 	 xhandler_get, xhandler_put) \
236 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
237 	.info = snd_soc_info_volsw, \
238 	.get = xhandler_get, .put = xhandler_put, \
239 	.private_value = SOC_SINGLE_VALUE(xreg, xshift, 0, xmax, xinvert, 0) }
240 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
241 	 xhandler_get, xhandler_put) \
242 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
243 	.info = snd_soc_info_volsw, \
244 	.get = xhandler_get, .put = xhandler_put, \
245 	.private_value = \
246 		SOC_DOUBLE_VALUE(reg, shift_left, shift_right, 0, max, invert, 0) }
247 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
248 	 xhandler_get, xhandler_put) \
249 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
250 	.info = snd_soc_info_volsw, \
251 	.get = xhandler_get, .put = xhandler_put, \
252 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
253 					    0, xmax, xinvert) }
254 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
255 	 xhandler_get, xhandler_put, tlv_array) \
256 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
257 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
258 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
259 	.tlv.p = (tlv_array), \
260 	.info = snd_soc_info_volsw, \
261 	.get = xhandler_get, .put = xhandler_put, \
262 	.private_value = SOC_SINGLE_VALUE(xreg, xshift, 0, xmax, xinvert, 0) }
263 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, 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_SINGLE_VALUE(xreg, xshift, xmin, xmax, xinvert, 0) }
272 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
273 	 xhandler_get, xhandler_put, tlv_array) \
274 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
275 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
276 		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
277 	.tlv.p = (tlv_array), \
278 	.info = snd_soc_info_volsw, \
279 	.get = xhandler_get, .put = xhandler_put, \
280 	.private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
281 					  0, xmax, xinvert, 0) }
282 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
283 	 xhandler_get, xhandler_put, tlv_array) \
284 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
285 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
286 		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
287 	.tlv.p = (tlv_array), \
288 	.info = snd_soc_info_volsw, \
289 	.get = xhandler_get, .put = xhandler_put, \
290 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
291 					    0, xmax, xinvert) }
292 #define SOC_DOUBLE_R_S_EXT_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, \
293 			       xsign_bit, xinvert, xhandler_get, xhandler_put, \
294 			       tlv_array) \
295 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
296 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
297 		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
298 	.tlv.p = (tlv_array), \
299 	.info = snd_soc_info_volsw, \
300 	.get = xhandler_get, .put = xhandler_put, \
301 	.private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
302 					      xmin, xmax, xsign_bit, xinvert) }
303 #define SOC_SINGLE_S_EXT_TLV(xname, xreg, xshift, xmin, xmax, \
304 			     xsign_bit, xinvert, xhandler_get, xhandler_put, \
305 			     tlv_array) \
306 	SOC_DOUBLE_R_S_EXT_TLV(xname, xreg, xreg, xshift, xmin, xmax, \
307 			       xsign_bit, xinvert, xhandler_get, xhandler_put, \
308 			       tlv_array)
309 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
310 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
311 	.info = snd_soc_info_bool_ext, \
312 	.get = xhandler_get, .put = xhandler_put, \
313 	.private_value = xdata }
314 #define SOC_SINGLE_BOOL_EXT_ACC(xname, xdata, xhandler_get, xhandler_put, xaccess) \
315 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
316 	.access = xaccess, \
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 SOC_ENUM_EXT_ACC(xname, xenum, xhandler_get, xhandler_put, xaccess) \
329 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
330 	.access = xaccess, \
331 	.info = snd_soc_info_enum_double, \
332 	.get = xhandler_get, .put = xhandler_put, \
333 	.private_value = (unsigned long)&xenum }
334 
335 #define SND_SOC_BYTES(xname, xbase, xregs)		      \
336 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
337 	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
338 	.put = snd_soc_bytes_put, .private_value =	      \
339 		((unsigned long)&(struct soc_bytes)           \
340 		{.base = xbase, .num_regs = xregs }) }
341 #define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \
342 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
343 	.info = snd_soc_bytes_info, .get = xhandler_get, \
344 	.put = xhandler_put, .private_value = \
345 		((unsigned long)&(struct soc_bytes) \
346 		{.base = xbase, .num_regs = xregs }) }
347 #define SND_SOC_BYTES_E_ACC(xname, xbase, xregs, xhandler_get, xhandler_put, xaccess) \
348 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
349 	.access = xaccess, \
350 	.info = snd_soc_bytes_info, .get = xhandler_get, \
351 	.put = xhandler_put, .private_value = \
352 		((unsigned long)&(struct soc_bytes) \
353 		{.base = xbase, .num_regs = xregs }) }
354 
355 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask)	      \
356 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
357 	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
358 	.put = snd_soc_bytes_put, .private_value =	      \
359 		((unsigned long)&(struct soc_bytes)           \
360 		{.base = xbase, .num_regs = xregs,	      \
361 		 .mask = xmask }) }
362 
363 /*
364  * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
365  */
366 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
367 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
368 	.info = snd_soc_bytes_info_ext, \
369 	.get = xhandler_get, .put = xhandler_put, \
370 	.private_value = (unsigned long)&(struct soc_bytes_ext) \
371 		{.max = xcount} }
372 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
373 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
374 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
375 		  SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
376 	.tlv.c = (snd_soc_bytes_tlv_callback), \
377 	.info = snd_soc_bytes_info_ext, \
378 	.private_value = (unsigned long)&(struct soc_bytes_ext) \
379 		{.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
380 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
381 		xmin, xmax, xinvert) \
382 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
383 	.info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
384 	.put = snd_soc_put_xr_sx, \
385 	.private_value = (unsigned long)&(struct soc_mreg_control) \
386 		{.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
387 		.invert = xinvert, .min = xmin, .max = xmax} }
388 
389 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
390 	SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
391 		snd_soc_get_strobe, snd_soc_put_strobe)
392 
393 /*
394  * Simplified versions of above macros, declaring a struct and calculating
395  * ARRAY_SIZE internally
396  */
397 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
398 	const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
399 						ARRAY_SIZE(xtexts), xtexts)
400 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
401 	SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
402 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
403 	const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
404 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
405 	const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
406 							ARRAY_SIZE(xtexts), xtexts, xvalues)
407 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
408 	SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
409 
410 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
411 	const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
412 		xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
413 
414 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
415 	const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
416 
417 struct snd_soc_card;
418 struct snd_soc_pcm_runtime;
419 struct snd_soc_dai;
420 struct snd_soc_dai_driver;
421 struct snd_soc_dai_link;
422 struct snd_soc_component;
423 struct snd_soc_component_driver;
424 struct snd_soc_jack;
425 struct snd_soc_jack_pin;
426 
427 #include <sound/soc-dapm.h>
428 #include <sound/soc-dpcm.h>
429 #include <sound/soc-topology.h>
430 
431 int snd_soc_register_card(struct snd_soc_card *card);
432 void snd_soc_unregister_card(struct snd_soc_card *card);
433 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
434 int devm_snd_soc_register_deferrable_card(struct device *dev, struct snd_soc_card *card);
435 #ifdef CONFIG_PM_SLEEP
436 int snd_soc_suspend(struct device *dev);
437 int snd_soc_resume(struct device *dev);
438 #else
439 static inline int snd_soc_suspend(struct device *dev)
440 {
441 	return 0;
442 }
443 
444 static inline int snd_soc_resume(struct device *dev)
445 {
446 	return 0;
447 }
448 #endif
449 int snd_soc_poweroff(struct device *dev);
450 int snd_soc_component_initialize(struct snd_soc_component *component,
451 				 const struct snd_soc_component_driver *driver,
452 				 struct device *dev);
453 int snd_soc_add_component(struct snd_soc_component *component,
454 			  struct snd_soc_dai_driver *dai_drv,
455 			  int num_dai);
456 int 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 int devm_snd_soc_register_component(struct device *dev,
460 			 const struct snd_soc_component_driver *component_driver,
461 			 struct snd_soc_dai_driver *dai_drv, int num_dai);
462 #define snd_soc_unregister_component(dev) snd_soc_unregister_component_by_driver(dev, NULL)
463 void snd_soc_unregister_component_by_driver(struct device *dev,
464 			 const struct snd_soc_component_driver *component_driver);
465 struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev,
466 							    const char *driver_name);
467 struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
468 						   const char *driver_name);
469 struct snd_soc_component *snd_soc_lookup_component_by_name(const char *component_name);
470 
471 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd);
472 #ifdef CONFIG_SND_SOC_COMPRESS
473 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd);
474 #else
475 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd)
476 {
477 	return 0;
478 }
479 #endif
480 
481 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
482 				struct snd_soc_dai_link *dai_link);
483 
484 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
485 
486 void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd,
487 			    int stream, int action);
488 static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd,
489 				     int stream)
490 {
491 	snd_soc_runtime_action(rtd, stream, 1);
492 }
493 static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd,
494 				       int stream)
495 {
496 	snd_soc_runtime_action(rtd, stream, -1);
497 }
498 
499 int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd,
500 			    struct snd_pcm_hardware *hw, int stream);
501 
502 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
503 	unsigned int dai_fmt);
504 
505 /* Utility functions to get clock rates from various things */
506 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
507 int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params);
508 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
509 int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *parms);
510 int snd_soc_tdm_params_to_bclk(const struct snd_pcm_hw_params *params,
511 			       int tdm_width, int tdm_slots, int slot_multiple);
512 int snd_soc_ret(const struct device *dev, int ret, const char *fmt, ...);
513 
514 /* set runtime hw params */
515 static inline int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
516 					       const struct snd_pcm_hardware *hw)
517 {
518 	substream->runtime->hw = *hw;
519 
520 	return 0;
521 }
522 
523 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
524 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
525 	unsigned int id, unsigned int id_mask);
526 void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
527 
528 #ifdef CONFIG_SND_SOC_AC97_BUS
529 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
530 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
531 		struct platform_device *pdev);
532 
533 extern struct snd_ac97_bus_ops *soc_ac97_ops;
534 #else
535 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
536 	struct platform_device *pdev)
537 {
538 	return 0;
539 }
540 
541 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
542 {
543 	return 0;
544 }
545 #endif
546 
547 /*
548  *Controls
549  */
550 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
551 				  void *data, const char *long_name,
552 				  const char *prefix);
553 int snd_soc_add_component_controls(struct snd_soc_component *component,
554 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
555 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
556 	const struct snd_kcontrol_new *controls, int num_controls);
557 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
558 	const struct snd_kcontrol_new *controls, int num_controls);
559 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
560 	struct snd_ctl_elem_info *uinfo);
561 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
562 	struct snd_ctl_elem_value *ucontrol);
563 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
564 	struct snd_ctl_elem_value *ucontrol);
565 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
566 	struct snd_ctl_elem_info *uinfo);
567 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
568 			  struct snd_ctl_elem_info *uinfo);
569 #define snd_soc_info_bool_ext		snd_ctl_boolean_mono_info
570 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
571 	struct snd_ctl_elem_value *ucontrol);
572 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
573 	struct snd_ctl_elem_value *ucontrol);
574 #define snd_soc_get_volsw_2r snd_soc_get_volsw
575 #define snd_soc_put_volsw_2r snd_soc_put_volsw
576 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
577 	struct snd_ctl_elem_value *ucontrol);
578 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
579 	struct snd_ctl_elem_value *ucontrol);
580 int snd_soc_limit_volume(struct snd_soc_card *card,
581 	const char *name, int max);
582 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
583 		       struct snd_ctl_elem_info *uinfo);
584 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
585 		      struct snd_ctl_elem_value *ucontrol);
586 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
587 		      struct snd_ctl_elem_value *ucontrol);
588 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
589 	struct snd_ctl_elem_info *ucontrol);
590 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
591 	unsigned int size, unsigned int __user *tlv);
592 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
593 	struct snd_ctl_elem_info *uinfo);
594 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
595 	struct snd_ctl_elem_value *ucontrol);
596 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
597 	struct snd_ctl_elem_value *ucontrol);
598 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
599 	struct snd_ctl_elem_value *ucontrol);
600 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
601 	struct snd_ctl_elem_value *ucontrol);
602 
603 enum snd_soc_trigger_order {
604 						/* start			stop		     */
605 	SND_SOC_TRIGGER_ORDER_DEFAULT	= 0,	/* Link->Component->DAI		DAI->Component->Link */
606 	SND_SOC_TRIGGER_ORDER_LDC,		/* Link->DAI->Component		Component->DAI->Link */
607 
608 	SND_SOC_TRIGGER_ORDER_MAX,
609 };
610 
611 /* SoC PCM stream information */
612 struct snd_soc_pcm_stream {
613 	const char *stream_name;
614 	u64 formats;			/* SNDRV_PCM_FMTBIT_* */
615 	u32 subformats;			/* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */
616 	unsigned int rates;		/* SNDRV_PCM_RATE_* */
617 	unsigned int rate_min;		/* min rate */
618 	unsigned int rate_max;		/* max rate */
619 	unsigned int channels_min;	/* min channels */
620 	unsigned int channels_max;	/* max channels */
621 	unsigned int sig_bits;		/* number of bits of content */
622 };
623 
624 /* SoC audio ops */
625 struct snd_soc_ops {
626 	int (*startup)(struct snd_pcm_substream *);
627 	void (*shutdown)(struct snd_pcm_substream *);
628 	int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
629 	int (*hw_free)(struct snd_pcm_substream *);
630 	int (*prepare)(struct snd_pcm_substream *);
631 	int (*trigger)(struct snd_pcm_substream *, int);
632 };
633 
634 struct snd_soc_compr_ops {
635 	int (*startup)(struct snd_compr_stream *);
636 	void (*shutdown)(struct snd_compr_stream *);
637 	int (*set_params)(struct snd_compr_stream *);
638 };
639 
640 struct snd_soc_component*
641 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
642 		       const char *driver_name);
643 
644 struct snd_soc_dai_link_component {
645 	const char *name;
646 	struct device_node *of_node;
647 	const char *dai_name;
648 	const struct of_phandle_args *dai_args;
649 
650 	/*
651 	 * Extra format = SND_SOC_DAIFMT_Bx_Fx
652 	 *
653 	 * [Note] it is Bx_Fx base, not CBx_CFx
654 	 *
655 	 * It will be used with dai_link->dai_fmt
656 	 * see
657 	 *	snd_soc_runtime_set_dai_fmt()
658 	 */
659 	unsigned int ext_fmt;
660 };
661 
662 /*
663  * [dai_link->ch_maps Image sample]
664  *
665  *-------------------------
666  * CPU0 <---> Codec0
667  *
668  * ch-map[0].cpu = 0	ch-map[0].codec = 0
669  *
670  *-------------------------
671  * CPU0 <---> Codec0
672  * CPU1 <---> Codec1
673  * CPU2 <---> Codec2
674  *
675  * ch-map[0].cpu = 0	ch-map[0].codec = 0
676  * ch-map[1].cpu = 1	ch-map[1].codec = 1
677  * ch-map[2].cpu = 2	ch-map[2].codec = 2
678  *
679  *-------------------------
680  * CPU0 <---> Codec0
681  * CPU1 <-+-> Codec1
682  * CPU2 <-/
683  *
684  * ch-map[0].cpu = 0	ch-map[0].codec = 0
685  * ch-map[1].cpu = 1	ch-map[1].codec = 1
686  * ch-map[2].cpu = 2	ch-map[2].codec = 1
687  *
688  *-------------------------
689  * CPU0 <---> Codec0
690  * CPU1 <-+-> Codec1
691  *	  \-> Codec2
692  *
693  * ch-map[0].cpu = 0	ch-map[0].codec = 0
694  * ch-map[1].cpu = 1	ch-map[1].codec = 1
695  * ch-map[2].cpu = 1	ch-map[2].codec = 2
696  *
697  */
698 struct snd_soc_dai_link_ch_map {
699 	unsigned int cpu;
700 	unsigned int codec;
701 	unsigned int ch_mask;
702 };
703 
704 struct snd_soc_dai_link {
705 	/* config - must be set by machine driver */
706 	const char *name;			/* Codec name */
707 	const char *stream_name;		/* Stream name */
708 
709 	/*
710 	 * You MAY specify the link's CPU-side device, either by device name,
711 	 * or by DT/OF node, but not both. If this information is omitted,
712 	 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
713 	 * must be globally unique. These fields are currently typically used
714 	 * only for codec to codec links, or systems using device tree.
715 	 */
716 	/*
717 	 * You MAY specify the DAI name of the CPU DAI. If this information is
718 	 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
719 	 * only, which only works well when that device exposes a single DAI.
720 	 */
721 	struct snd_soc_dai_link_component *cpus;
722 	unsigned int num_cpus;
723 
724 	/*
725 	 * You MUST specify the link's codec, either by device name, or by
726 	 * DT/OF node, but not both.
727 	 */
728 	/* You MUST specify the DAI name within the codec */
729 	struct snd_soc_dai_link_component *codecs;
730 	unsigned int num_codecs;
731 
732 	/* num_ch_maps = max(num_cpu, num_codecs) */
733 	struct snd_soc_dai_link_ch_map *ch_maps;
734 
735 	/*
736 	 * You MAY specify the link's platform/PCM/DMA driver, either by
737 	 * device name, or by DT/OF node, but not both. Some forms of link
738 	 * do not need a platform. In such case, platforms are not mandatory.
739 	 */
740 	struct snd_soc_dai_link_component *platforms;
741 	unsigned int num_platforms;
742 
743 	int id;	/* optional ID for machine driver link identification */
744 
745 	/*
746 	 * for Codec2Codec
747 	 */
748 	const struct snd_soc_pcm_stream *c2c_params;
749 	unsigned int num_c2c_params;
750 
751 	unsigned int dai_fmt;           /* format to set on init */
752 
753 	enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
754 
755 	/* codec/machine specific init - e.g. add machine controls */
756 	int (*init)(struct snd_soc_pcm_runtime *rtd);
757 
758 	/* codec/machine specific exit - dual of init() */
759 	void (*exit)(struct snd_soc_pcm_runtime *rtd);
760 
761 	/* optional hw_params re-writing for BE and FE sync */
762 	int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
763 			struct snd_pcm_hw_params *params);
764 
765 	/* machine stream operations */
766 	const struct snd_soc_ops *ops;
767 	const struct snd_soc_compr_ops *compr_ops;
768 
769 	/*
770 	 * soc_pcm_trigger() start/stop sequence.
771 	 * see also
772 	 *	snd_soc_component_driver
773 	 *	soc_pcm_trigger()
774 	 */
775 	enum snd_soc_trigger_order trigger_start;
776 	enum snd_soc_trigger_order trigger_stop;
777 
778 	/* Mark this pcm with non atomic ops */
779 	unsigned int nonatomic:1;
780 
781 	/* For unidirectional dai links */
782 	unsigned int playback_only:1;
783 	unsigned int capture_only:1;
784 
785 	/* Keep DAI active over suspend */
786 	unsigned int ignore_suspend:1;
787 
788 	/* Symmetry requirements */
789 	unsigned int symmetric_rate:1;
790 	unsigned int symmetric_channels:1;
791 	unsigned int symmetric_sample_bits:1;
792 
793 	/* Do not create a PCM for this DAI link (Backend link) */
794 	unsigned int no_pcm:1;
795 
796 	/* This DAI link can route to other DAI links at runtime (Frontend)*/
797 	unsigned int dynamic:1;
798 
799 	/* DPCM used FE & BE merged format */
800 	unsigned int dpcm_merged_format:1;
801 	/* DPCM used FE & BE merged channel */
802 	unsigned int dpcm_merged_chan:1;
803 	/* DPCM used FE & BE merged rate */
804 	unsigned int dpcm_merged_rate:1;
805 
806 	/* pmdown_time is ignored at stop */
807 	unsigned int ignore_pmdown_time:1;
808 
809 	/* Do not create a PCM for this DAI link (Backend link) */
810 	unsigned int ignore:1;
811 
812 #ifdef CONFIG_SND_SOC_TOPOLOGY
813 	struct snd_soc_dobj dobj; /* For topology */
814 #endif
815 };
816 
817 static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link)
818 {
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 int snd_soc_dlc_is_dummy(struct snd_soc_dai_link_component *dlc);
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 
1005 	int (*probe)(struct snd_soc_card *card);
1006 	int (*late_probe)(struct snd_soc_card *card);
1007 	void (*fixup_controls)(struct snd_soc_card *card);
1008 	int (*remove)(struct snd_soc_card *card);
1009 
1010 	/* the pre and post PM functions are used to do any PM work before and
1011 	 * after the codec and DAI's do any PM work. */
1012 	int (*suspend_pre)(struct snd_soc_card *card);
1013 	int (*suspend_post)(struct snd_soc_card *card);
1014 	int (*resume_pre)(struct snd_soc_card *card);
1015 	int (*resume_post)(struct snd_soc_card *card);
1016 
1017 	/* callbacks */
1018 	int (*set_bias_level)(struct snd_soc_card *,
1019 			      struct snd_soc_dapm_context *dapm,
1020 			      enum snd_soc_bias_level level);
1021 	int (*set_bias_level_post)(struct snd_soc_card *,
1022 				   struct snd_soc_dapm_context *dapm,
1023 				   enum snd_soc_bias_level level);
1024 
1025 	int (*add_dai_link)(struct snd_soc_card *,
1026 			    struct snd_soc_dai_link *link);
1027 	void (*remove_dai_link)(struct snd_soc_card *,
1028 			    struct snd_soc_dai_link *link);
1029 
1030 	/* CPU <--> Codec DAI links  */
1031 	struct snd_soc_dai_link *dai_link;  /* predefined links only */
1032 	int num_links;  /* predefined links only */
1033 
1034 	struct list_head rtd_list;
1035 	int num_rtd;
1036 
1037 	/* optional codec specific configuration */
1038 	struct snd_soc_codec_conf *codec_conf;
1039 	int num_configs;
1040 
1041 	/*
1042 	 * optional auxiliary devices such as amplifiers or codecs with DAI
1043 	 * link unused
1044 	 */
1045 	struct snd_soc_aux_dev *aux_dev;
1046 	int num_aux_devs;
1047 	struct list_head aux_comp_list;
1048 
1049 	const struct snd_kcontrol_new *controls;
1050 	int num_controls;
1051 
1052 	/*
1053 	 * Card-specific routes and widgets.
1054 	 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1055 	 */
1056 	const struct snd_soc_dapm_widget *dapm_widgets;
1057 	int num_dapm_widgets;
1058 	const struct snd_soc_dapm_route *dapm_routes;
1059 	int num_dapm_routes;
1060 	const struct snd_soc_dapm_widget *of_dapm_widgets;
1061 	int num_of_dapm_widgets;
1062 	const struct snd_soc_dapm_route *of_dapm_routes;
1063 	int num_of_dapm_routes;
1064 
1065 	/* lists of probed devices belonging to this card */
1066 	struct list_head component_dev_list;
1067 	struct list_head list;
1068 
1069 	struct list_head widgets;
1070 	struct list_head paths;
1071 	struct list_head dapm_list;
1072 	struct list_head dapm_dirty;
1073 
1074 	/* Generic DAPM context for the card */
1075 	struct snd_soc_dapm_context *dapm;
1076 	struct snd_soc_dapm_stats dapm_stats;
1077 
1078 #ifdef CONFIG_DEBUG_FS
1079 	struct dentry *debugfs_card_root;
1080 #endif
1081 #ifdef CONFIG_PM_SLEEP
1082 	struct work_struct deferred_resume_work;
1083 #endif
1084 	u32 pop_time;
1085 
1086 	/* bit field */
1087 	unsigned int instantiated:1;
1088 	unsigned int topology_shortname_created:1;
1089 	unsigned int fully_routed:1;
1090 	unsigned int probed:1;
1091 	unsigned int component_chaining:1;
1092 	struct device *devres_dev;
1093 
1094 	void *drvdata;
1095 };
1096 #define for_each_card_prelinks(card, i, link)				\
1097 	for ((i) = 0;							\
1098 	     ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
1099 	     (i)++)
1100 #define for_each_card_pre_auxs(card, i, aux)				\
1101 	for ((i) = 0;							\
1102 	     ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \
1103 	     (i)++)
1104 
1105 #define for_each_card_rtds(card, rtd)			\
1106 	list_for_each_entry(rtd, &(card)->rtd_list, list)
1107 #define for_each_card_rtds_safe(card, rtd, _rtd)	\
1108 	list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1109 
1110 #define for_each_card_auxs(card, component)			\
1111 	list_for_each_entry(component, &card->aux_comp_list, card_aux_list)
1112 #define for_each_card_auxs_safe(card, component, _comp)	\
1113 	list_for_each_entry_safe(component, _comp,	\
1114 				 &card->aux_comp_list, card_aux_list)
1115 
1116 #define for_each_card_components(card, component)			\
1117 	list_for_each_entry(component, &(card)->component_dev_list, card_list)
1118 
1119 #define for_each_card_dapms(card, dapm)					\
1120 	list_for_each_entry(dapm, &card->dapm_list, list)
1121 
1122 #define for_each_card_widgets(card, w)\
1123 	list_for_each_entry(w, &card->widgets, list)
1124 #define for_each_card_widgets_safe(card, w, _w)	\
1125 	list_for_each_entry_safe(w, _w, &card->widgets, list)
1126 
1127 
1128 static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card)
1129 {
1130 	return card && card->instantiated;
1131 }
1132 
1133 static inline struct snd_soc_dapm_context *snd_soc_card_to_dapm(struct snd_soc_card *card)
1134 {
1135 	return card->dapm;
1136 }
1137 
1138 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1139 struct snd_soc_pcm_runtime {
1140 	struct device *dev;
1141 	struct snd_soc_card *card;
1142 	struct snd_soc_dai_link *dai_link;
1143 	struct snd_pcm_ops ops;
1144 
1145 	unsigned int c2c_params_select; /* currently selected c2c_param for dai link */
1146 
1147 	/* Dynamic PCM BE runtime data */
1148 	struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1];
1149 	struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1];
1150 
1151 	long pmdown_time;
1152 
1153 	/* runtime devices */
1154 	struct snd_pcm *pcm;
1155 	struct snd_compr *compr;
1156 
1157 	/*
1158 	 * dais = cpu_dai + codec_dai
1159 	 * see
1160 	 *	soc_new_pcm_runtime()
1161 	 *	snd_soc_rtd_to_cpu()
1162 	 *	snd_soc_rtd_to_codec()
1163 	 */
1164 	struct snd_soc_dai **dais;
1165 
1166 	struct delayed_work delayed_work;
1167 	void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd);
1168 #ifdef CONFIG_DEBUG_FS
1169 	struct dentry *debugfs_dpcm_root;
1170 #endif
1171 
1172 	unsigned int id; /* 0-based and monotonic increasing */
1173 	struct list_head list; /* rtd list of the soc card */
1174 
1175 	/* function mark */
1176 	struct snd_pcm_substream *mark_startup;
1177 	struct snd_pcm_substream *mark_hw_params;
1178 	struct snd_pcm_substream *mark_trigger;
1179 	struct snd_compr_stream  *mark_compr_startup;
1180 
1181 	/* bit field */
1182 	unsigned int pop_wait:1;
1183 	unsigned int fe_compr:1; /* for Dynamic PCM */
1184 	unsigned int initialized:1;
1185 
1186 	/* CPU/Codec/Platform */
1187 	int num_components;
1188 	struct snd_soc_component *components[] __counted_by(num_components);
1189 };
1190 
1191 /* see soc_new_pcm_runtime()  */
1192 #define snd_soc_rtd_to_cpu(rtd, n)   (rtd)->dais[n]
1193 #define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus]
1194 
1195 static inline struct snd_soc_pcm_runtime *
1196 snd_soc_substream_to_rtd(const struct snd_pcm_substream *substream)
1197 {
1198 	return snd_pcm_substream_chip(substream);
1199 }
1200 
1201 #define for_each_rtd_components(rtd, i, component)			\
1202 	for ((i) = 0, component = NULL;					\
1203 	     ((i) < rtd->num_components) && ((component) = rtd->components[i]);\
1204 	     (i)++)
1205 #define for_each_rtd_cpu_dais(rtd, i, dai)				\
1206 	for ((i) = 0;							\
1207 	     ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \
1208 	     (i)++)
1209 #define for_each_rtd_codec_dais(rtd, i, dai)				\
1210 	for ((i) = 0;							\
1211 	     ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \
1212 	     (i)++)
1213 #define for_each_rtd_dais(rtd, i, dai)					\
1214 	for ((i) = 0;							\
1215 	     ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) &&	\
1216 		     ((dai) = (rtd)->dais[i]);				\
1217 	     (i)++)
1218 #define for_each_rtd_dais_reverse(rtd, i, dai)					\
1219 	for ((i) = (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs - 1;	\
1220 	     (i) >= 0 && ((dai) = (rtd)->dais[i]);				\
1221 	     (i)--)
1222 #define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps)
1223 
1224 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd);
1225 
1226 /* mixer control */
1227 struct soc_mixer_control {
1228 	/* Minimum and maximum specified as written to the hardware */
1229 	int min, max;
1230 	/* Limited maximum value specified as presented through the control */
1231 	int platform_max;
1232 	int reg, rreg;
1233 	unsigned int shift, rshift;
1234 	u32 num_channels;
1235 	unsigned int sign_bit;
1236 	unsigned int invert:1;
1237 	unsigned int autodisable:1;
1238 #ifdef CONFIG_SND_SOC_TOPOLOGY
1239 	struct snd_soc_dobj dobj;
1240 #endif
1241 };
1242 
1243 struct soc_bytes {
1244 	int base;
1245 	int num_regs;
1246 	u32 mask;
1247 };
1248 
1249 struct soc_bytes_ext {
1250 	int max;
1251 #ifdef CONFIG_SND_SOC_TOPOLOGY
1252 	struct snd_soc_dobj dobj;
1253 #endif
1254 	/* used for TLV byte control */
1255 	int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1256 			unsigned int size);
1257 	int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1258 			unsigned int size);
1259 };
1260 
1261 /* multi register control */
1262 struct soc_mreg_control {
1263 	long min, max;
1264 	unsigned int regbase, regcount, nbits, invert;
1265 };
1266 
1267 /* enumerated kcontrol */
1268 struct soc_enum {
1269 	int reg;
1270 	unsigned char shift_l;
1271 	unsigned char shift_r;
1272 	unsigned int items;
1273 	unsigned int mask;
1274 	const char * const *texts;
1275 	const unsigned int *values;
1276 	unsigned int autodisable:1;
1277 #ifdef CONFIG_SND_SOC_TOPOLOGY
1278 	struct snd_soc_dobj dobj;
1279 #endif
1280 };
1281 
1282 static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc)
1283 {
1284 	if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1285 		return false;
1286 	/*
1287 	 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1288 	 * mc->reg != mc->rreg means that the control is
1289 	 * stereo (bits in one register or in two registers)
1290 	 */
1291 	return true;
1292 }
1293 
1294 static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e,
1295 	unsigned int val)
1296 {
1297 	unsigned int i;
1298 
1299 	if (!e->values)
1300 		return val;
1301 
1302 	for (i = 0; i < e->items; i++)
1303 		if (val == e->values[i])
1304 			return i;
1305 
1306 	return 0;
1307 }
1308 
1309 static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e,
1310 	unsigned int item)
1311 {
1312 	if (!e->values)
1313 		return item;
1314 
1315 	return e->values[item];
1316 }
1317 
1318 int snd_soc_util_init(void);
1319 void snd_soc_util_exit(void);
1320 
1321 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1322 			       const char *propname);
1323 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1324 					  const char *propname);
1325 int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop);
1326 int snd_soc_of_get_slot_mask(struct device_node *np,
1327 			     const char *prop_name,
1328 			     unsigned int *mask);
1329 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1330 			      unsigned int *tx_mask,
1331 			      unsigned int *rx_mask,
1332 			      unsigned int *slots,
1333 			      unsigned int *slot_width);
1334 void snd_soc_of_parse_node_prefix(struct device_node *np,
1335 				   struct snd_soc_codec_conf *codec_conf,
1336 				   struct device_node *of_node,
1337 				   const char *propname);
1338 
1339 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1340 				   const char *propname);
1341 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname);
1342 
1343 unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt);
1344 unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame);
1345 
1346 unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix);
1347 unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np,
1348 						     const char *prefix,
1349 						     struct device_node **bitclkmaster,
1350 						     struct device_node **framemaster);
1351 #define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)	\
1352 	snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL)
1353 #define snd_soc_daifmt_parse_clock_provider_as_phandle			\
1354 	snd_soc_daifmt_parse_clock_provider_raw
1355 #define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix)		\
1356 	snd_soc_daifmt_clock_provider_from_bitmap(			\
1357 		snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix))
1358 
1359 int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream);
1360 int snd_soc_get_dlc(const struct of_phandle_args *args,
1361 		    struct snd_soc_dai_link_component *dlc);
1362 int snd_soc_of_get_dlc(struct device_node *of_node,
1363 		       struct of_phandle_args *args,
1364 		       struct snd_soc_dai_link_component *dlc,
1365 		       int index);
1366 int snd_soc_get_dai_id(struct device_node *ep);
1367 int snd_soc_get_dai_name(const struct of_phandle_args *args,
1368 			 const char **dai_name);
1369 int snd_soc_of_get_dai_name(struct device_node *of_node,
1370 			    const char **dai_name, int index);
1371 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1372 				   struct device_node *of_node,
1373 				   struct snd_soc_dai_link *dai_link);
1374 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1375 int snd_soc_of_get_dai_link_cpus(struct device *dev,
1376 				 struct device_node *of_node,
1377 				 struct snd_soc_dai_link *dai_link);
1378 void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link);
1379 
1380 int snd_soc_add_pcm_runtimes(struct snd_soc_card *card,
1381 			     struct snd_soc_dai_link *dai_link,
1382 			     int num_dai_link);
1383 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
1384 				struct snd_soc_pcm_runtime *rtd);
1385 
1386 void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms,
1387 				     struct snd_soc_dai_link_component *cpus);
1388 struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev,
1389 					      const struct of_phandle_args *args);
1390 struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args);
1391 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
1392 					 struct snd_soc_dai_driver *dai_drv,
1393 					 bool legacy_dai_naming);
1394 void snd_soc_unregister_dai(struct snd_soc_dai *dai);
1395 
1396 struct snd_soc_dai *snd_soc_find_dai(
1397 	const struct snd_soc_dai_link_component *dlc);
1398 struct snd_soc_dai *snd_soc_find_dai_with_mutex(
1399 	const struct snd_soc_dai_link_component *dlc);
1400 
1401 void soc_pcm_set_dai_params(struct snd_soc_dai *dai,
1402 			    struct snd_pcm_hw_params *params);
1403 
1404 #include <sound/soc-dai.h>
1405 
1406 static inline
1407 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
1408 					  const char *platform_name)
1409 {
1410 	struct snd_soc_dai_link *dai_link;
1411 	const char *name;
1412 	int i;
1413 
1414 	if (!platform_name) /* nothing to do */
1415 		return 0;
1416 
1417 	/* set platform name for each dailink */
1418 	for_each_card_prelinks(card, i, dai_link) {
1419 		/* only single platform is supported for now */
1420 		if (dai_link->num_platforms != 1)
1421 			return -EINVAL;
1422 
1423 		if (!dai_link->platforms)
1424 			return -EINVAL;
1425 
1426 		name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
1427 		if (!name)
1428 			return -ENOMEM;
1429 
1430 		/* only single platform is supported for now */
1431 		dai_link->platforms->name = name;
1432 	}
1433 
1434 	return 0;
1435 }
1436 
1437 #ifdef CONFIG_DEBUG_FS
1438 extern struct dentry *snd_soc_debugfs_root;
1439 #endif
1440 
1441 extern const struct dev_pm_ops snd_soc_pm_ops;
1442 
1443 /*
1444  *	DAPM helper functions
1445  */
1446 enum snd_soc_dapm_subclass {
1447 	SND_SOC_DAPM_CLASS_ROOT		= 0,
1448 	SND_SOC_DAPM_CLASS_RUNTIME	= 1,
1449 };
1450 
1451 static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card)
1452 {
1453 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT);
1454 }
1455 
1456 static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card)
1457 {
1458 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1459 }
1460 
1461 static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card)
1462 {
1463 	mutex_unlock(&card->dapm_mutex);
1464 }
1465 
1466 static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card)
1467 {
1468 	lockdep_assert_held(&card->dapm_mutex);
1469 }
1470 
1471 static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm)
1472 {
1473 	_snd_soc_dapm_mutex_lock_root_c(snd_soc_dapm_to_card(dapm));
1474 }
1475 
1476 static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm)
1477 {
1478 	_snd_soc_dapm_mutex_lock_c(snd_soc_dapm_to_card(dapm));
1479 }
1480 
1481 static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm)
1482 {
1483 	_snd_soc_dapm_mutex_unlock_c(snd_soc_dapm_to_card(dapm));
1484 }
1485 
1486 static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm)
1487 {
1488 	_snd_soc_dapm_mutex_assert_held_c(snd_soc_dapm_to_card(dapm));
1489 }
1490 
1491 #define snd_soc_dapm_mutex_lock_root(x) _Generic((x),			\
1492 	struct snd_soc_card * :		_snd_soc_dapm_mutex_lock_root_c, \
1493 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_lock_root_d)(x)
1494 #define snd_soc_dapm_mutex_lock(x) _Generic((x),			\
1495 	struct snd_soc_card * :		_snd_soc_dapm_mutex_lock_c,	\
1496 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_lock_d)(x)
1497 #define snd_soc_dapm_mutex_unlock(x) _Generic((x),			\
1498 	struct snd_soc_card * :		_snd_soc_dapm_mutex_unlock_c,	\
1499 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_unlock_d)(x)
1500 #define snd_soc_dapm_mutex_assert_held(x) _Generic((x),			\
1501 	struct snd_soc_card * :		_snd_soc_dapm_mutex_assert_held_c, \
1502 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_assert_held_d)(x)
1503 
1504 /*
1505  *	PCM helper functions
1506  */
1507 static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card)
1508 {
1509 	mutex_lock(&card->pcm_mutex);
1510 }
1511 
1512 static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card)
1513 {
1514 	mutex_unlock(&card->pcm_mutex);
1515 }
1516 
1517 static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card)
1518 {
1519 	lockdep_assert_held(&card->pcm_mutex);
1520 }
1521 
1522 static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd)
1523 {
1524 	_snd_soc_dpcm_mutex_lock_c(rtd->card);
1525 }
1526 
1527 static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd)
1528 {
1529 	_snd_soc_dpcm_mutex_unlock_c(rtd->card);
1530 }
1531 
1532 static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd)
1533 {
1534 	_snd_soc_dpcm_mutex_assert_held_c(rtd->card);
1535 }
1536 
1537 #define snd_soc_dpcm_mutex_lock(x) _Generic((x),			\
1538 	 struct snd_soc_card * :	_snd_soc_dpcm_mutex_lock_c,	\
1539 	 struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_lock_r)(x)
1540 
1541 #define snd_soc_dpcm_mutex_unlock(x) _Generic((x),			\
1542 	 struct snd_soc_card * :	_snd_soc_dpcm_mutex_unlock_c,	\
1543 	 struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_unlock_r)(x)
1544 
1545 #define snd_soc_dpcm_mutex_assert_held(x) _Generic((x),		\
1546 	struct snd_soc_card * :		_snd_soc_dpcm_mutex_assert_held_c, \
1547 	struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_assert_held_r)(x)
1548 
1549 #include <sound/soc-component.h>
1550 #include <sound/soc-card.h>
1551 #include <sound/soc-jack.h>
1552 
1553 #endif
1554