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_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
43 	((unsigned long)&(struct soc_mixer_control) \
44 	{.reg = xreg, .rreg = xreg, .shift = shift_left, \
45 	.rshift = shift_right, .max = xmax, \
46 	.invert = xinvert, .autodisable = xautodisable})
47 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
48 	((unsigned long)&(struct soc_mixer_control) \
49 	{.reg = xreg, .rreg = xreg, .shift = shift_left, \
50 	.rshift = shift_right, .min = xmin, .max = xmax, \
51 	.sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
52 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
53 	SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
54 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
55 	((unsigned long)&(struct soc_mixer_control) \
56 	{.reg = xreg, .max = xmax, .invert = xinvert})
57 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
58 	((unsigned long)&(struct soc_mixer_control) \
59 	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
60 	.max = xmax, .invert = xinvert})
61 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
62 	((unsigned long)&(struct soc_mixer_control) \
63 	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
64 	.max = xmax, .min = xmin, .sign_bit = xsign_bit, \
65 	.invert = xinvert})
66 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
67 	((unsigned long)&(struct soc_mixer_control) \
68 	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
69 	.min = xmin, .max = xmax, .invert = xinvert})
70 #define SOC_SINGLE(xname, reg, shift, max, invert) \
71 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
72 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
73 	.put = snd_soc_put_volsw, \
74 	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
75 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
76 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
77 	.info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
78 	.put = snd_soc_put_volsw_range, \
79 	.private_value = (unsigned long)&(struct soc_mixer_control) \
80 		{.reg = xreg, .rreg = xreg, .shift = xshift, \
81 		 .rshift = xshift,  .min = xmin, .max = xmax, \
82 		 .invert = xinvert} }
83 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
84 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
85 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
86 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
87 	.tlv.p = (tlv_array), \
88 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
89 	.put = snd_soc_put_volsw, \
90 	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
91 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
92 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
93 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
94 	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
95 	.tlv.p  = (tlv_array),\
96 	.info = snd_soc_info_volsw_sx, \
97 	.get = snd_soc_get_volsw_sx,\
98 	.put = snd_soc_put_volsw_sx, \
99 	.private_value = (unsigned long)&(struct soc_mixer_control) \
100 		{.reg = xreg, .rreg = xreg, \
101 		.shift = xshift, .rshift = xshift, \
102 		.max = xmax, .min = xmin} }
103 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
104 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
105 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
106 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
107 	.tlv.p = (tlv_array), \
108 	.info = snd_soc_info_volsw_range, \
109 	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
110 	.private_value = (unsigned long)&(struct soc_mixer_control) \
111 		{.reg = xreg, .rreg = xreg, .shift = xshift, \
112 		 .rshift = xshift, .min = xmin, .max = xmax, \
113 		 .invert = xinvert} }
114 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
115 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
116 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
117 	.put = snd_soc_put_volsw, \
118 	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
119 					  max, invert, 0) }
120 #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
121 {									\
122 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),		\
123 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,		\
124 	.access = SNDRV_CTL_ELEM_ACCESS_READ |				\
125 		SNDRV_CTL_ELEM_ACCESS_VOLATILE,				\
126 	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right,	\
127 					  max, invert, 0) }
128 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
129 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
130 	.info = snd_soc_info_volsw, \
131 	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
132 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
133 					    xmax, xinvert) }
134 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
135 			   xmax, xinvert)		\
136 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
137 	.info = snd_soc_info_volsw_range, \
138 	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
139 	.private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
140 					    xshift, xmin, xmax, xinvert) }
141 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
142 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
143 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
144 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
145 	.tlv.p = (tlv_array), \
146 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
147 	.put = snd_soc_put_volsw, \
148 	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
149 					  max, invert, 0) }
150 #define SOC_DOUBLE_SX_TLV(xname, xreg, shift_left, shift_right, xmin, xmax, tlv_array) \
151 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
152 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
153 	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
154 	.tlv.p  = (tlv_array), \
155 	.info = snd_soc_info_volsw_sx, \
156 	.get = snd_soc_get_volsw_sx, \
157 	.put = snd_soc_put_volsw_sx, \
158 	.private_value = (unsigned long)&(struct soc_mixer_control) \
159 		{.reg = xreg, .rreg = xreg, \
160 		.shift = shift_left, .rshift = shift_right, \
161 		.max = xmax, .min = xmin} }
162 #define SOC_DOUBLE_RANGE_TLV(xname, xreg, xshift_left, xshift_right, xmin, xmax, \
163 			     xinvert, tlv_array) \
164 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
165 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
166 		  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
167 	.tlv.p = (tlv_array), \
168 	.info = snd_soc_info_volsw, \
169 	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
170 	.private_value = (unsigned long)&(struct soc_mixer_control) \
171 		{.reg = xreg, .rreg = xreg, \
172 		 .shift = xshift_left, .rshift = xshift_right, \
173 		 .min = xmin, .max = xmax, .invert = xinvert} }
174 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
175 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
176 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
177 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
178 	.tlv.p = (tlv_array), \
179 	.info = snd_soc_info_volsw, \
180 	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
181 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
182 					    xmax, xinvert) }
183 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
184 			       xmax, xinvert, tlv_array)		\
185 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
186 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
187 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
188 	.tlv.p = (tlv_array), \
189 	.info = snd_soc_info_volsw_range, \
190 	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
191 	.private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
192 					    xshift, xmin, xmax, xinvert) }
193 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
194 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
195 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
196 	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
197 	.tlv.p  = (tlv_array), \
198 	.info = snd_soc_info_volsw_sx, \
199 	.get = snd_soc_get_volsw_sx, \
200 	.put = snd_soc_put_volsw_sx, \
201 	.private_value = (unsigned long)&(struct soc_mixer_control) \
202 		{.reg = xreg, .rreg = xrreg, \
203 		.shift = xshift, .rshift = xshift, \
204 		.max = xmax, .min = xmin} }
205 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, 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, \
211 	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
212 	.private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
213 					    xmin, xmax, xsign_bit, xinvert) }
214 #define SOC_SINGLE_S_TLV(xname, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
215 	SOC_DOUBLE_R_S_TLV(xname, xreg, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array)
216 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
217 {	.iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
218 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
219 		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
220 	.tlv.p  = (tlv_array), \
221 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
222 	.put = snd_soc_put_volsw, \
223 	.private_value = (unsigned long)&(struct soc_mixer_control) \
224 	{.reg = xreg, .rreg = xreg,  \
225 	 .min = xmin, .max = xmax, \
226 	.sign_bit = 7,} }
227 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
228 {	.iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
229 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
230 		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
231 	.tlv.p  = (tlv_array), \
232 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
233 	.put = snd_soc_put_volsw, \
234 	.private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
235 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
236 {	.reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
237 	.items = xitems, .texts = xtexts, \
238 	.mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
239 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
240 	SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
241 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
242 {	.items = xitems, .texts = xtexts }
243 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
244 {	.reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
245 	.mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
246 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
247 	SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
248 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
249 {	.reg = xreg, .shift_l = xshift, .shift_r = xshift, \
250 	.mask = xmask, .items = xitems, .texts = xtexts, \
251 	.values = xvalues, .autodisable = 1}
252 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
253 	SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
254 #define SOC_ENUM(xname, xenum) \
255 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
256 	.info = snd_soc_info_enum_double, \
257 	.get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
258 	.private_value = (unsigned long)&xenum }
259 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
260 	 xhandler_get, xhandler_put) \
261 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
262 	.info = snd_soc_info_volsw, \
263 	.get = xhandler_get, .put = xhandler_put, \
264 	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
265 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
266 	 xhandler_get, xhandler_put) \
267 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
268 	.info = snd_soc_info_volsw, \
269 	.get = xhandler_get, .put = xhandler_put, \
270 	.private_value = \
271 		SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
272 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
273 	 xhandler_get, xhandler_put) \
274 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
275 	.info = snd_soc_info_volsw, \
276 	.get = xhandler_get, .put = xhandler_put, \
277 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
278 					    xmax, xinvert) }
279 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
280 	 xhandler_get, xhandler_put, tlv_array) \
281 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
282 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
283 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
284 	.tlv.p = (tlv_array), \
285 	.info = snd_soc_info_volsw, \
286 	.get = xhandler_get, .put = xhandler_put, \
287 	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
288 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, 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_range, \
295 	.get = xhandler_get, .put = xhandler_put, \
296 	.private_value = (unsigned long)&(struct soc_mixer_control) \
297 		{.reg = xreg, .rreg = xreg, .shift = xshift, \
298 		 .rshift = xshift, .min = xmin, .max = xmax, \
299 		 .invert = xinvert} }
300 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
301 	 xhandler_get, xhandler_put, tlv_array) \
302 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
303 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
304 		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
305 	.tlv.p = (tlv_array), \
306 	.info = snd_soc_info_volsw, \
307 	.get = xhandler_get, .put = xhandler_put, \
308 	.private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
309 					  xmax, xinvert, 0) }
310 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
311 	 xhandler_get, xhandler_put, tlv_array) \
312 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
313 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
314 		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
315 	.tlv.p = (tlv_array), \
316 	.info = snd_soc_info_volsw, \
317 	.get = xhandler_get, .put = xhandler_put, \
318 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
319 					    xmax, xinvert) }
320 #define SOC_DOUBLE_R_S_EXT_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, \
321 			       xsign_bit, xinvert, xhandler_get, xhandler_put, \
322 			       tlv_array) \
323 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
324 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
325 		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
326 	.tlv.p = (tlv_array), \
327 	.info = snd_soc_info_volsw, \
328 	.get = xhandler_get, .put = xhandler_put, \
329 	.private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
330 					      xmin, xmax, xsign_bit, xinvert) }
331 #define SOC_SINGLE_S_EXT_TLV(xname, xreg, xshift, xmin, xmax, \
332 			     xsign_bit, xinvert, xhandler_get, xhandler_put, \
333 			     tlv_array) \
334 	SOC_DOUBLE_R_S_EXT_TLV(xname, xreg, xreg, xshift, xmin, xmax, \
335 			       xsign_bit, xinvert, xhandler_get, xhandler_put, \
336 			       tlv_array)
337 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
338 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
339 	.info = snd_soc_info_bool_ext, \
340 	.get = xhandler_get, .put = xhandler_put, \
341 	.private_value = xdata }
342 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
343 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
344 	.info = snd_soc_info_enum_double, \
345 	.get = xhandler_get, .put = xhandler_put, \
346 	.private_value = (unsigned long)&xenum }
347 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
348 	SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
349 
350 #define SND_SOC_BYTES(xname, xbase, xregs)		      \
351 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
352 	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
353 	.put = snd_soc_bytes_put, .private_value =	      \
354 		((unsigned long)&(struct soc_bytes)           \
355 		{.base = xbase, .num_regs = xregs }) }
356 #define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \
357 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
358 	.info = snd_soc_bytes_info, .get = xhandler_get, \
359 	.put = xhandler_put, .private_value = \
360 		((unsigned long)&(struct soc_bytes) \
361 		{.base = xbase, .num_regs = xregs }) }
362 
363 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask)	      \
364 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
365 	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
366 	.put = snd_soc_bytes_put, .private_value =	      \
367 		((unsigned long)&(struct soc_bytes)           \
368 		{.base = xbase, .num_regs = xregs,	      \
369 		 .mask = xmask }) }
370 
371 /*
372  * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
373  */
374 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
375 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
376 	.info = snd_soc_bytes_info_ext, \
377 	.get = xhandler_get, .put = xhandler_put, \
378 	.private_value = (unsigned long)&(struct soc_bytes_ext) \
379 		{.max = xcount} }
380 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
381 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
382 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
383 		  SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
384 	.tlv.c = (snd_soc_bytes_tlv_callback), \
385 	.info = snd_soc_bytes_info_ext, \
386 	.private_value = (unsigned long)&(struct soc_bytes_ext) \
387 		{.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
388 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
389 		xmin, xmax, xinvert) \
390 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
391 	.info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
392 	.put = snd_soc_put_xr_sx, \
393 	.private_value = (unsigned long)&(struct soc_mreg_control) \
394 		{.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
395 		.invert = xinvert, .min = xmin, .max = xmax} }
396 
397 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
398 	SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
399 		snd_soc_get_strobe, snd_soc_put_strobe)
400 
401 /*
402  * Simplified versions of above macros, declaring a struct and calculating
403  * ARRAY_SIZE internally
404  */
405 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
406 	const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
407 						ARRAY_SIZE(xtexts), xtexts)
408 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
409 	SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
410 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
411 	const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
412 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
413 	const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
414 							ARRAY_SIZE(xtexts), xtexts, xvalues)
415 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
416 	SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
417 
418 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
419 	const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
420 		xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
421 
422 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
423 	const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
424 
425 struct snd_jack;
426 struct snd_soc_card;
427 struct snd_soc_pcm_stream;
428 struct snd_soc_ops;
429 struct snd_soc_pcm_runtime;
430 struct snd_soc_dai;
431 struct snd_soc_dai_driver;
432 struct snd_soc_dai_link;
433 struct snd_soc_component;
434 struct snd_soc_component_driver;
435 struct soc_enum;
436 struct snd_soc_jack;
437 struct snd_soc_jack_zone;
438 struct snd_soc_jack_pin;
439 
440 #include <sound/soc-dapm.h>
441 #include <sound/soc-dpcm.h>
442 #include <sound/soc-topology.h>
443 
444 struct snd_soc_jack_gpio;
445 
446 enum snd_soc_pcm_subclass {
447 	SND_SOC_PCM_CLASS_PCM	= 0,
448 	SND_SOC_PCM_CLASS_BE	= 1,
449 };
450 
451 int snd_soc_register_card(struct snd_soc_card *card);
452 void snd_soc_unregister_card(struct snd_soc_card *card);
453 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
454 #ifdef CONFIG_PM_SLEEP
455 int snd_soc_suspend(struct device *dev);
456 int snd_soc_resume(struct device *dev);
457 #else
snd_soc_suspend(struct device * dev)458 static inline int snd_soc_suspend(struct device *dev)
459 {
460 	return 0;
461 }
462 
snd_soc_resume(struct device * dev)463 static inline int snd_soc_resume(struct device *dev)
464 {
465 	return 0;
466 }
467 #endif
468 int snd_soc_poweroff(struct device *dev);
469 int snd_soc_component_initialize(struct snd_soc_component *component,
470 				 const struct snd_soc_component_driver *driver,
471 				 struct device *dev);
472 int snd_soc_add_component(struct snd_soc_component *component,
473 			  struct snd_soc_dai_driver *dai_drv,
474 			  int num_dai);
475 int snd_soc_register_component(struct device *dev,
476 			 const struct snd_soc_component_driver *component_driver,
477 			 struct snd_soc_dai_driver *dai_drv, int num_dai);
478 int devm_snd_soc_register_component(struct device *dev,
479 			 const struct snd_soc_component_driver *component_driver,
480 			 struct snd_soc_dai_driver *dai_drv, int num_dai);
481 void snd_soc_unregister_component(struct device *dev);
482 void snd_soc_unregister_component_by_driver(struct device *dev,
483 			 const struct snd_soc_component_driver *component_driver);
484 struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev,
485 							    const char *driver_name);
486 struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
487 						   const char *driver_name);
488 
489 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd);
490 #ifdef CONFIG_SND_SOC_COMPRESS
491 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd);
492 #else
snd_soc_new_compress(struct snd_soc_pcm_runtime * rtd)493 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd)
494 {
495 	return 0;
496 }
497 #endif
498 
499 void snd_soc_disconnect_sync(struct device *dev);
500 
501 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
502 				struct snd_soc_dai_link *dai_link);
503 
504 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
505 
506 void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd,
507 			    int stream, int action);
snd_soc_runtime_activate(struct snd_soc_pcm_runtime * rtd,int stream)508 static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd,
509 				     int stream)
510 {
511 	snd_soc_runtime_action(rtd, stream, 1);
512 }
snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime * rtd,int stream)513 static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd,
514 				       int stream)
515 {
516 	snd_soc_runtime_action(rtd, stream, -1);
517 }
518 
519 int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd,
520 			    struct snd_pcm_hardware *hw, int stream);
521 
522 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
523 	unsigned int dai_fmt);
524 
525 #ifdef CONFIG_DMI
526 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
527 #else
snd_soc_set_dmi_name(struct snd_soc_card * card,const char * flavour)528 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
529 				       const char *flavour)
530 {
531 	return 0;
532 }
533 #endif
534 
535 /* Utility functions to get clock rates from various things */
536 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
537 int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params);
538 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
539 int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *parms);
540 int snd_soc_tdm_params_to_bclk(const struct snd_pcm_hw_params *params,
541 			       int tdm_width, int tdm_slots, int slot_multiple);
542 
543 /* set runtime hw params */
snd_soc_set_runtime_hwparams(struct snd_pcm_substream * substream,const struct snd_pcm_hardware * hw)544 static inline int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
545 					       const struct snd_pcm_hardware *hw)
546 {
547 	substream->runtime->hw = *hw;
548 
549 	return 0;
550 }
551 
552 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
553 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
554 	unsigned int id, unsigned int id_mask);
555 void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
556 
557 #ifdef CONFIG_SND_SOC_AC97_BUS
558 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
559 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
560 		struct platform_device *pdev);
561 
562 extern struct snd_ac97_bus_ops *soc_ac97_ops;
563 #else
snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops * ops,struct platform_device * pdev)564 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
565 	struct platform_device *pdev)
566 {
567 	return 0;
568 }
569 
snd_soc_set_ac97_ops(struct snd_ac97_bus_ops * ops)570 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
571 {
572 	return 0;
573 }
574 #endif
575 
576 /*
577  *Controls
578  */
579 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
580 				  void *data, const char *long_name,
581 				  const char *prefix);
582 int snd_soc_add_component_controls(struct snd_soc_component *component,
583 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
584 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
585 	const struct snd_kcontrol_new *controls, int num_controls);
586 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
587 	const struct snd_kcontrol_new *controls, int num_controls);
588 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
589 	struct snd_ctl_elem_info *uinfo);
590 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
591 	struct snd_ctl_elem_value *ucontrol);
592 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
593 	struct snd_ctl_elem_value *ucontrol);
594 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
595 	struct snd_ctl_elem_info *uinfo);
596 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
597 			  struct snd_ctl_elem_info *uinfo);
598 #define snd_soc_info_bool_ext		snd_ctl_boolean_mono_info
599 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
600 	struct snd_ctl_elem_value *ucontrol);
601 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
602 	struct snd_ctl_elem_value *ucontrol);
603 #define snd_soc_get_volsw_2r snd_soc_get_volsw
604 #define snd_soc_put_volsw_2r snd_soc_put_volsw
605 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
606 	struct snd_ctl_elem_value *ucontrol);
607 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
608 	struct snd_ctl_elem_value *ucontrol);
609 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
610 	struct snd_ctl_elem_info *uinfo);
611 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
612 	struct snd_ctl_elem_value *ucontrol);
613 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
614 	struct snd_ctl_elem_value *ucontrol);
615 int snd_soc_limit_volume(struct snd_soc_card *card,
616 	const char *name, int max);
617 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
618 		       struct snd_ctl_elem_info *uinfo);
619 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
620 		      struct snd_ctl_elem_value *ucontrol);
621 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
622 		      struct snd_ctl_elem_value *ucontrol);
623 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
624 	struct snd_ctl_elem_info *ucontrol);
625 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
626 	unsigned int size, unsigned int __user *tlv);
627 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
628 	struct snd_ctl_elem_info *uinfo);
629 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
630 	struct snd_ctl_elem_value *ucontrol);
631 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
632 	struct snd_ctl_elem_value *ucontrol);
633 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
634 	struct snd_ctl_elem_value *ucontrol);
635 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
636 	struct snd_ctl_elem_value *ucontrol);
637 
638 enum snd_soc_trigger_order {
639 						/* start			stop		     */
640 	SND_SOC_TRIGGER_ORDER_DEFAULT	= 0,	/* Link->Component->DAI		DAI->Component->Link */
641 	SND_SOC_TRIGGER_ORDER_LDC,		/* Link->DAI->Component		Component->DAI->Link */
642 
643 	SND_SOC_TRIGGER_ORDER_MAX,
644 };
645 
646 /* SoC PCM stream information */
647 struct snd_soc_pcm_stream {
648 	const char *stream_name;
649 	u64 formats;			/* SNDRV_PCM_FMTBIT_* */
650 	u32 subformats;			/* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */
651 	unsigned int rates;		/* SNDRV_PCM_RATE_* */
652 	unsigned int rate_min;		/* min rate */
653 	unsigned int rate_max;		/* max rate */
654 	unsigned int channels_min;	/* min channels */
655 	unsigned int channels_max;	/* max channels */
656 	unsigned int sig_bits;		/* number of bits of content */
657 };
658 
659 /* SoC audio ops */
660 struct snd_soc_ops {
661 	int (*startup)(struct snd_pcm_substream *);
662 	void (*shutdown)(struct snd_pcm_substream *);
663 	int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
664 	int (*hw_free)(struct snd_pcm_substream *);
665 	int (*prepare)(struct snd_pcm_substream *);
666 	int (*trigger)(struct snd_pcm_substream *, int);
667 };
668 
669 struct snd_soc_compr_ops {
670 	int (*startup)(struct snd_compr_stream *);
671 	void (*shutdown)(struct snd_compr_stream *);
672 	int (*set_params)(struct snd_compr_stream *);
673 };
674 
675 struct snd_soc_component*
676 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
677 		       const char *driver_name);
678 
679 struct snd_soc_dai_link_component {
680 	const char *name;
681 	struct device_node *of_node;
682 	const char *dai_name;
683 	const struct of_phandle_args *dai_args;
684 
685 	/*
686 	 * Extra format = SND_SOC_DAIFMT_Bx_Fx
687 	 *
688 	 * [Note] it is Bx_Fx base, not CBx_CFx
689 	 *
690 	 * It will be used with dai_link->dai_fmt
691 	 * see
692 	 *	snd_soc_runtime_set_dai_fmt()
693 	 */
694 	unsigned int ext_fmt;
695 };
696 
697 /*
698  * [dai_link->ch_maps Image sample]
699  *
700  *-------------------------
701  * CPU0 <---> Codec0
702  *
703  * ch-map[0].cpu = 0	ch-map[0].codec = 0
704  *
705  *-------------------------
706  * CPU0 <---> Codec0
707  * CPU1 <---> Codec1
708  * CPU2 <---> Codec2
709  *
710  * ch-map[0].cpu = 0	ch-map[0].codec = 0
711  * ch-map[1].cpu = 1	ch-map[1].codec = 1
712  * ch-map[2].cpu = 2	ch-map[2].codec = 2
713  *
714  *-------------------------
715  * CPU0 <---> Codec0
716  * CPU1 <-+-> Codec1
717  * CPU2 <-/
718  *
719  * ch-map[0].cpu = 0	ch-map[0].codec = 0
720  * ch-map[1].cpu = 1	ch-map[1].codec = 1
721  * ch-map[2].cpu = 2	ch-map[2].codec = 1
722  *
723  *-------------------------
724  * CPU0 <---> Codec0
725  * CPU1 <-+-> Codec1
726  *	  \-> Codec2
727  *
728  * ch-map[0].cpu = 0	ch-map[0].codec = 0
729  * ch-map[1].cpu = 1	ch-map[1].codec = 1
730  * ch-map[2].cpu = 1	ch-map[2].codec = 2
731  *
732  */
733 struct snd_soc_dai_link_ch_map {
734 	unsigned int cpu;
735 	unsigned int codec;
736 	unsigned int ch_mask;
737 };
738 
739 struct snd_soc_dai_link {
740 	/* config - must be set by machine driver */
741 	const char *name;			/* Codec name */
742 	const char *stream_name;		/* Stream name */
743 
744 	/*
745 	 * You MAY specify the link's CPU-side device, either by device name,
746 	 * or by DT/OF node, but not both. If this information is omitted,
747 	 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
748 	 * must be globally unique. These fields are currently typically used
749 	 * only for codec to codec links, or systems using device tree.
750 	 */
751 	/*
752 	 * You MAY specify the DAI name of the CPU DAI. If this information is
753 	 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
754 	 * only, which only works well when that device exposes a single DAI.
755 	 */
756 	struct snd_soc_dai_link_component *cpus;
757 	unsigned int num_cpus;
758 
759 	/*
760 	 * You MUST specify the link's codec, either by device name, or by
761 	 * DT/OF node, but not both.
762 	 */
763 	/* You MUST specify the DAI name within the codec */
764 	struct snd_soc_dai_link_component *codecs;
765 	unsigned int num_codecs;
766 
767 	/* num_ch_maps = max(num_cpu, num_codecs) */
768 	struct snd_soc_dai_link_ch_map *ch_maps;
769 
770 	/*
771 	 * You MAY specify the link's platform/PCM/DMA driver, either by
772 	 * device name, or by DT/OF node, but not both. Some forms of link
773 	 * do not need a platform. In such case, platforms are not mandatory.
774 	 */
775 	struct snd_soc_dai_link_component *platforms;
776 	unsigned int num_platforms;
777 
778 	int id;	/* optional ID for machine driver link identification */
779 
780 	/*
781 	 * for Codec2Codec
782 	 */
783 	const struct snd_soc_pcm_stream *c2c_params;
784 	unsigned int num_c2c_params;
785 
786 	unsigned int dai_fmt;           /* format to set on init */
787 
788 	enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
789 
790 	/* codec/machine specific init - e.g. add machine controls */
791 	int (*init)(struct snd_soc_pcm_runtime *rtd);
792 
793 	/* codec/machine specific exit - dual of init() */
794 	void (*exit)(struct snd_soc_pcm_runtime *rtd);
795 
796 	/* optional hw_params re-writing for BE and FE sync */
797 	int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
798 			struct snd_pcm_hw_params *params);
799 
800 	/* machine stream operations */
801 	const struct snd_soc_ops *ops;
802 	const struct snd_soc_compr_ops *compr_ops;
803 
804 	/*
805 	 * soc_pcm_trigger() start/stop sequence.
806 	 * see also
807 	 *	snd_soc_component_driver
808 	 *	soc_pcm_trigger()
809 	 */
810 	enum snd_soc_trigger_order trigger_start;
811 	enum snd_soc_trigger_order trigger_stop;
812 
813 	/* Mark this pcm with non atomic ops */
814 	unsigned int nonatomic:1;
815 
816 	/* For unidirectional dai links */
817 	unsigned int playback_only:1;
818 	unsigned int capture_only:1;
819 
820 	/* Keep DAI active over suspend */
821 	unsigned int ignore_suspend:1;
822 
823 	/* Symmetry requirements */
824 	unsigned int symmetric_rate:1;
825 	unsigned int symmetric_channels:1;
826 	unsigned int symmetric_sample_bits:1;
827 
828 	/* Do not create a PCM for this DAI link (Backend link) */
829 	unsigned int no_pcm:1;
830 
831 	/* This DAI link can route to other DAI links at runtime (Frontend)*/
832 	unsigned int dynamic:1;
833 
834 	/* DPCM used FE & BE merged format */
835 	unsigned int dpcm_merged_format:1;
836 	/* DPCM used FE & BE merged channel */
837 	unsigned int dpcm_merged_chan:1;
838 	/* DPCM used FE & BE merged rate */
839 	unsigned int dpcm_merged_rate:1;
840 
841 	/* pmdown_time is ignored at stop */
842 	unsigned int ignore_pmdown_time:1;
843 
844 	/* Do not create a PCM for this DAI link (Backend link) */
845 	unsigned int ignore:1;
846 
847 #ifdef CONFIG_SND_SOC_TOPOLOGY
848 	struct snd_soc_dobj dobj; /* For topology */
849 #endif
850 };
851 
snd_soc_link_num_ch_map(const struct snd_soc_dai_link * link)852 static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link)
853 {
854 	return max(link->num_cpus, link->num_codecs);
855 }
856 
857 static inline struct snd_soc_dai_link_component*
snd_soc_link_to_cpu(struct snd_soc_dai_link * link,int n)858 snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) {
859 	return &(link)->cpus[n];
860 }
861 
862 static inline struct snd_soc_dai_link_component*
snd_soc_link_to_codec(struct snd_soc_dai_link * link,int n)863 snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) {
864 	return &(link)->codecs[n];
865 }
866 
867 static inline struct snd_soc_dai_link_component*
snd_soc_link_to_platform(struct snd_soc_dai_link * link,int n)868 snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) {
869 	return &(link)->platforms[n];
870 }
871 
872 #define for_each_link_codecs(link, i, codec)				\
873 	for ((i) = 0;							\
874 	     ((i) < link->num_codecs) &&				\
875 		     ((codec) = snd_soc_link_to_codec(link, i));		\
876 	     (i)++)
877 
878 #define for_each_link_platforms(link, i, platform)			\
879 	for ((i) = 0;							\
880 	     ((i) < link->num_platforms) &&				\
881 		     ((platform) = snd_soc_link_to_platform(link, i));	\
882 	     (i)++)
883 
884 #define for_each_link_cpus(link, i, cpu)				\
885 	for ((i) = 0;							\
886 	     ((i) < link->num_cpus) &&					\
887 		     ((cpu) = snd_soc_link_to_cpu(link, i));		\
888 	     (i)++)
889 
890 #define for_each_link_ch_maps(link, i, ch_map)			\
891 	for ((i) = 0;						\
892 	     ((i) < snd_soc_link_num_ch_map(link) &&		\
893 		      ((ch_map) = link->ch_maps + i));		\
894 	     (i)++)
895 
896 /*
897  * Sample 1 : Single CPU/Codec/Platform
898  *
899  * SND_SOC_DAILINK_DEFS(test,
900  *	DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")),
901  *	DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")),
902  *	DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
903  *
904  * struct snd_soc_dai_link link = {
905  *	...
906  *	SND_SOC_DAILINK_REG(test),
907  * };
908  *
909  * Sample 2 : Multi CPU/Codec, no Platform
910  *
911  * SND_SOC_DAILINK_DEFS(test,
912  *	DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
913  *			   COMP_CPU("cpu_dai2")),
914  *	DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
915  *			   COMP_CODEC("codec2", "codec_dai2")));
916  *
917  * struct snd_soc_dai_link link = {
918  *	...
919  *	SND_SOC_DAILINK_REG(test),
920  * };
921  *
922  * Sample 3 : Define each CPU/Codec/Platform manually
923  *
924  * SND_SOC_DAILINK_DEF(test_cpu,
925  *		DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
926  *				   COMP_CPU("cpu_dai2")));
927  * SND_SOC_DAILINK_DEF(test_codec,
928  *		DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
929  *				   COMP_CODEC("codec2", "codec_dai2")));
930  * SND_SOC_DAILINK_DEF(test_platform,
931  *		DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
932  *
933  * struct snd_soc_dai_link link = {
934  *	...
935  *	SND_SOC_DAILINK_REG(test_cpu,
936  *			    test_codec,
937  *			    test_platform),
938  * };
939  *
940  * Sample 4 : Sample3 without platform
941  *
942  * struct snd_soc_dai_link link = {
943  *	...
944  *	SND_SOC_DAILINK_REG(test_cpu,
945  *			    test_codec);
946  * };
947  */
948 
949 #define SND_SOC_DAILINK_REG1(name)	 SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms)
950 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component)
951 #define SND_SOC_DAILINK_REG3(cpu, codec, platform)	\
952 	.cpus		= cpu,				\
953 	.num_cpus	= ARRAY_SIZE(cpu),		\
954 	.codecs		= codec,			\
955 	.num_codecs	= ARRAY_SIZE(codec),		\
956 	.platforms	= platform,			\
957 	.num_platforms	= ARRAY_SIZE(platform)
958 
959 #define SND_SOC_DAILINK_REG(...) \
960 	CONCATENATE(SND_SOC_DAILINK_REG, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__)
961 
962 #define SND_SOC_DAILINK_DEF(name, def...)		\
963 	static struct snd_soc_dai_link_component name[]	= { def }
964 
965 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...)	\
966 	SND_SOC_DAILINK_DEF(name##_cpus, cpu);			\
967 	SND_SOC_DAILINK_DEF(name##_codecs, codec);		\
968 	SND_SOC_DAILINK_DEF(name##_platforms, platform)
969 
970 #define DAILINK_COMP_ARRAY(param...)	param
971 #define COMP_EMPTY()			{ }
972 #define COMP_CPU(_dai)			{ .dai_name = _dai, }
973 #define COMP_CODEC(_name, _dai)		{ .name = _name, .dai_name = _dai, }
974 #define COMP_PLATFORM(_name)		{ .name = _name }
975 #define COMP_AUX(_name)			{ .name = _name }
976 #define COMP_CODEC_CONF(_name)		{ .name = _name }
977 #define COMP_DUMMY()			/* see snd_soc_fill_dummy_dai() */
978 
979 extern struct snd_soc_dai_link_component null_dailink_component[0];
980 extern struct snd_soc_dai_link_component snd_soc_dummy_dlc;
981 
982 
983 struct snd_soc_codec_conf {
984 	/*
985 	 * specify device either by device name, or by
986 	 * DT/OF node, but not both.
987 	 */
988 	struct snd_soc_dai_link_component dlc;
989 
990 	/*
991 	 * optional map of kcontrol, widget and path name prefixes that are
992 	 * associated per device
993 	 */
994 	const char *name_prefix;
995 };
996 
997 struct snd_soc_aux_dev {
998 	/*
999 	 * specify multi-codec either by device name, or by
1000 	 * DT/OF node, but not both.
1001 	 */
1002 	struct snd_soc_dai_link_component dlc;
1003 
1004 	/* codec/machine specific init - e.g. add machine controls */
1005 	int (*init)(struct snd_soc_component *component);
1006 };
1007 
1008 /* SoC card */
1009 struct snd_soc_card {
1010 	const char *name;
1011 	const char *long_name;
1012 	const char *driver_name;
1013 	const char *components;
1014 #ifdef CONFIG_DMI
1015 	char dmi_longname[80];
1016 #endif /* CONFIG_DMI */
1017 
1018 #ifdef CONFIG_PCI
1019 	/*
1020 	 * PCI does not define 0 as invalid, so pci_subsystem_set indicates
1021 	 * whether a value has been written to these fields.
1022 	 */
1023 	unsigned short pci_subsystem_vendor;
1024 	unsigned short pci_subsystem_device;
1025 	bool pci_subsystem_set;
1026 #endif /* CONFIG_PCI */
1027 
1028 	char topology_shortname[32];
1029 
1030 	struct device *dev;
1031 	struct snd_card *snd_card;
1032 	struct module *owner;
1033 
1034 	struct mutex mutex;
1035 	struct mutex dapm_mutex;
1036 
1037 	/* Mutex for PCM operations */
1038 	struct mutex pcm_mutex;
1039 	enum snd_soc_pcm_subclass pcm_subclass;
1040 
1041 	int (*probe)(struct snd_soc_card *card);
1042 	int (*late_probe)(struct snd_soc_card *card);
1043 	void (*fixup_controls)(struct snd_soc_card *card);
1044 	int (*remove)(struct snd_soc_card *card);
1045 
1046 	/* the pre and post PM functions are used to do any PM work before and
1047 	 * after the codec and DAI's do any PM work. */
1048 	int (*suspend_pre)(struct snd_soc_card *card);
1049 	int (*suspend_post)(struct snd_soc_card *card);
1050 	int (*resume_pre)(struct snd_soc_card *card);
1051 	int (*resume_post)(struct snd_soc_card *card);
1052 
1053 	/* callbacks */
1054 	int (*set_bias_level)(struct snd_soc_card *,
1055 			      struct snd_soc_dapm_context *dapm,
1056 			      enum snd_soc_bias_level level);
1057 	int (*set_bias_level_post)(struct snd_soc_card *,
1058 				   struct snd_soc_dapm_context *dapm,
1059 				   enum snd_soc_bias_level level);
1060 
1061 	int (*add_dai_link)(struct snd_soc_card *,
1062 			    struct snd_soc_dai_link *link);
1063 	void (*remove_dai_link)(struct snd_soc_card *,
1064 			    struct snd_soc_dai_link *link);
1065 
1066 	long pmdown_time;
1067 
1068 	/* CPU <--> Codec DAI links  */
1069 	struct snd_soc_dai_link *dai_link;  /* predefined links only */
1070 	int num_links;  /* predefined links only */
1071 
1072 	struct list_head rtd_list;
1073 	int num_rtd;
1074 
1075 	/* optional codec specific configuration */
1076 	struct snd_soc_codec_conf *codec_conf;
1077 	int num_configs;
1078 
1079 	/*
1080 	 * optional auxiliary devices such as amplifiers or codecs with DAI
1081 	 * link unused
1082 	 */
1083 	struct snd_soc_aux_dev *aux_dev;
1084 	int num_aux_devs;
1085 	struct list_head aux_comp_list;
1086 
1087 	const struct snd_kcontrol_new *controls;
1088 	int num_controls;
1089 
1090 	/*
1091 	 * Card-specific routes and widgets.
1092 	 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1093 	 */
1094 	const struct snd_soc_dapm_widget *dapm_widgets;
1095 	int num_dapm_widgets;
1096 	const struct snd_soc_dapm_route *dapm_routes;
1097 	int num_dapm_routes;
1098 	const struct snd_soc_dapm_widget *of_dapm_widgets;
1099 	int num_of_dapm_widgets;
1100 	const struct snd_soc_dapm_route *of_dapm_routes;
1101 	int num_of_dapm_routes;
1102 
1103 	/* lists of probed devices belonging to this card */
1104 	struct list_head component_dev_list;
1105 	struct list_head list;
1106 
1107 	struct list_head widgets;
1108 	struct list_head paths;
1109 	struct list_head dapm_list;
1110 	struct list_head dapm_dirty;
1111 
1112 	/* attached dynamic objects */
1113 	struct list_head dobj_list;
1114 
1115 	/* Generic DAPM context for the card */
1116 	struct snd_soc_dapm_context dapm;
1117 	struct snd_soc_dapm_stats dapm_stats;
1118 	struct snd_soc_dapm_update *update;
1119 
1120 #ifdef CONFIG_DEBUG_FS
1121 	struct dentry *debugfs_card_root;
1122 #endif
1123 #ifdef CONFIG_PM_SLEEP
1124 	struct work_struct deferred_resume_work;
1125 #endif
1126 	u32 pop_time;
1127 
1128 	/* bit field */
1129 	unsigned int instantiated:1;
1130 	unsigned int topology_shortname_created:1;
1131 	unsigned int fully_routed:1;
1132 	unsigned int probed:1;
1133 	unsigned int component_chaining:1;
1134 
1135 	void *drvdata;
1136 };
1137 #define for_each_card_prelinks(card, i, link)				\
1138 	for ((i) = 0;							\
1139 	     ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
1140 	     (i)++)
1141 #define for_each_card_pre_auxs(card, i, aux)				\
1142 	for ((i) = 0;							\
1143 	     ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \
1144 	     (i)++)
1145 
1146 #define for_each_card_rtds(card, rtd)			\
1147 	list_for_each_entry(rtd, &(card)->rtd_list, list)
1148 #define for_each_card_rtds_safe(card, rtd, _rtd)	\
1149 	list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1150 
1151 #define for_each_card_auxs(card, component)			\
1152 	list_for_each_entry(component, &card->aux_comp_list, card_aux_list)
1153 #define for_each_card_auxs_safe(card, component, _comp)	\
1154 	list_for_each_entry_safe(component, _comp,	\
1155 				 &card->aux_comp_list, card_aux_list)
1156 
1157 #define for_each_card_components(card, component)			\
1158 	list_for_each_entry(component, &(card)->component_dev_list, card_list)
1159 
1160 #define for_each_card_dapms(card, dapm)					\
1161 	list_for_each_entry(dapm, &card->dapm_list, list)
1162 
1163 #define for_each_card_widgets(card, w)\
1164 	list_for_each_entry(w, &card->widgets, list)
1165 #define for_each_card_widgets_safe(card, w, _w)	\
1166 	list_for_each_entry_safe(w, _w, &card->widgets, list)
1167 
1168 
snd_soc_card_is_instantiated(struct snd_soc_card * card)1169 static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card)
1170 {
1171 	return card && card->instantiated;
1172 }
1173 
1174 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1175 struct snd_soc_pcm_runtime {
1176 	struct device *dev;
1177 	struct snd_soc_card *card;
1178 	struct snd_soc_dai_link *dai_link;
1179 	struct snd_pcm_ops ops;
1180 
1181 	unsigned int c2c_params_select; /* currently selected c2c_param for dai link */
1182 
1183 	/* Dynamic PCM BE runtime data */
1184 	struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1];
1185 	struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1];
1186 
1187 	long pmdown_time;
1188 
1189 	/* runtime devices */
1190 	struct snd_pcm *pcm;
1191 	struct snd_compr *compr;
1192 
1193 	/*
1194 	 * dais = cpu_dai + codec_dai
1195 	 * see
1196 	 *	soc_new_pcm_runtime()
1197 	 *	snd_soc_rtd_to_cpu()
1198 	 *	snd_soc_rtd_to_codec()
1199 	 */
1200 	struct snd_soc_dai **dais;
1201 
1202 	struct delayed_work delayed_work;
1203 	void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd);
1204 #ifdef CONFIG_DEBUG_FS
1205 	struct dentry *debugfs_dpcm_root;
1206 #endif
1207 
1208 	unsigned int id; /* 0-based and monotonic increasing */
1209 	struct list_head list; /* rtd list of the soc card */
1210 
1211 	/* function mark */
1212 	struct snd_pcm_substream *mark_startup;
1213 	struct snd_pcm_substream *mark_hw_params;
1214 	struct snd_pcm_substream *mark_trigger;
1215 	struct snd_compr_stream  *mark_compr_startup;
1216 
1217 	/* bit field */
1218 	unsigned int pop_wait:1;
1219 	unsigned int fe_compr:1; /* for Dynamic PCM */
1220 	unsigned int initialized:1;
1221 
1222 	/* CPU/Codec/Platform */
1223 	int num_components;
1224 	struct snd_soc_component *components[] __counted_by(num_components);
1225 };
1226 
1227 /* see soc_new_pcm_runtime()  */
1228 #define snd_soc_rtd_to_cpu(rtd, n)   (rtd)->dais[n]
1229 #define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus]
1230 
1231 static inline struct snd_soc_pcm_runtime *
snd_soc_substream_to_rtd(const struct snd_pcm_substream * substream)1232 snd_soc_substream_to_rtd(const struct snd_pcm_substream *substream)
1233 {
1234 	return snd_pcm_substream_chip(substream);
1235 }
1236 
1237 #define for_each_rtd_components(rtd, i, component)			\
1238 	for ((i) = 0, component = NULL;					\
1239 	     ((i) < rtd->num_components) && ((component) = rtd->components[i]);\
1240 	     (i)++)
1241 #define for_each_rtd_cpu_dais(rtd, i, dai)				\
1242 	for ((i) = 0;							\
1243 	     ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \
1244 	     (i)++)
1245 #define for_each_rtd_codec_dais(rtd, i, dai)				\
1246 	for ((i) = 0;							\
1247 	     ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \
1248 	     (i)++)
1249 #define for_each_rtd_dais(rtd, i, dai)					\
1250 	for ((i) = 0;							\
1251 	     ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) &&	\
1252 		     ((dai) = (rtd)->dais[i]);				\
1253 	     (i)++)
1254 #define for_each_rtd_dais_reverse(rtd, i, dai)					\
1255 	for ((i) = (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs - 1;	\
1256 	     (i) >= 0 && ((dai) = (rtd)->dais[i]);				\
1257 	     (i)--)
1258 #define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps)
1259 
1260 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd);
1261 
1262 /* mixer control */
1263 struct soc_mixer_control {
1264 	/* Minimum and maximum specified as written to the hardware */
1265 	int min, max;
1266 	/* Limited maximum value specified as presented through the control */
1267 	int platform_max;
1268 	int reg, rreg;
1269 	unsigned int shift, rshift;
1270 	unsigned int sign_bit;
1271 	unsigned int invert:1;
1272 	unsigned int autodisable:1;
1273 #ifdef CONFIG_SND_SOC_TOPOLOGY
1274 	struct snd_soc_dobj dobj;
1275 #endif
1276 };
1277 
1278 struct soc_bytes {
1279 	int base;
1280 	int num_regs;
1281 	u32 mask;
1282 };
1283 
1284 struct soc_bytes_ext {
1285 	int max;
1286 #ifdef CONFIG_SND_SOC_TOPOLOGY
1287 	struct snd_soc_dobj dobj;
1288 #endif
1289 	/* used for TLV byte control */
1290 	int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1291 			unsigned int size);
1292 	int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1293 			unsigned int size);
1294 };
1295 
1296 /* multi register control */
1297 struct soc_mreg_control {
1298 	long min, max;
1299 	unsigned int regbase, regcount, nbits, invert;
1300 };
1301 
1302 /* enumerated kcontrol */
1303 struct soc_enum {
1304 	int reg;
1305 	unsigned char shift_l;
1306 	unsigned char shift_r;
1307 	unsigned int items;
1308 	unsigned int mask;
1309 	const char * const *texts;
1310 	const unsigned int *values;
1311 	unsigned int autodisable:1;
1312 #ifdef CONFIG_SND_SOC_TOPOLOGY
1313 	struct snd_soc_dobj dobj;
1314 #endif
1315 };
1316 
snd_soc_volsw_is_stereo(const struct soc_mixer_control * mc)1317 static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc)
1318 {
1319 	if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1320 		return false;
1321 	/*
1322 	 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1323 	 * mc->reg != mc->rreg means that the control is
1324 	 * stereo (bits in one register or in two registers)
1325 	 */
1326 	return true;
1327 }
1328 
snd_soc_enum_val_to_item(const struct soc_enum * e,unsigned int val)1329 static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e,
1330 	unsigned int val)
1331 {
1332 	unsigned int i;
1333 
1334 	if (!e->values)
1335 		return val;
1336 
1337 	for (i = 0; i < e->items; i++)
1338 		if (val == e->values[i])
1339 			return i;
1340 
1341 	return 0;
1342 }
1343 
snd_soc_enum_item_to_val(const struct soc_enum * e,unsigned int item)1344 static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e,
1345 	unsigned int item)
1346 {
1347 	if (!e->values)
1348 		return item;
1349 
1350 	return e->values[item];
1351 }
1352 
1353 /**
1354  * snd_soc_kcontrol_component() - Returns the component that registered the
1355  *  control
1356  * @kcontrol: The control for which to get the component
1357  *
1358  * Note: This function will work correctly if the control has been registered
1359  * for a component. With snd_soc_add_codec_controls() or via table based
1360  * setup for either a CODEC or component driver. Otherwise the behavior is
1361  * undefined.
1362  */
snd_soc_kcontrol_component(struct snd_kcontrol * kcontrol)1363 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1364 	struct snd_kcontrol *kcontrol)
1365 {
1366 	return snd_kcontrol_chip(kcontrol);
1367 }
1368 
1369 int snd_soc_util_init(void);
1370 void snd_soc_util_exit(void);
1371 
1372 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1373 			       const char *propname);
1374 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1375 					  const char *propname);
1376 int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop);
1377 int snd_soc_of_get_slot_mask(struct device_node *np,
1378 			     const char *prop_name,
1379 			     unsigned int *mask);
1380 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1381 			      unsigned int *tx_mask,
1382 			      unsigned int *rx_mask,
1383 			      unsigned int *slots,
1384 			      unsigned int *slot_width);
1385 void snd_soc_of_parse_node_prefix(struct device_node *np,
1386 				   struct snd_soc_codec_conf *codec_conf,
1387 				   struct device_node *of_node,
1388 				   const char *propname);
1389 static inline
snd_soc_of_parse_audio_prefix(struct snd_soc_card * card,struct snd_soc_codec_conf * codec_conf,struct device_node * of_node,const char * propname)1390 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1391 				   struct snd_soc_codec_conf *codec_conf,
1392 				   struct device_node *of_node,
1393 				   const char *propname)
1394 {
1395 	snd_soc_of_parse_node_prefix(card->dev->of_node,
1396 				     codec_conf, of_node, propname);
1397 }
1398 
1399 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1400 				   const char *propname);
1401 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname);
1402 
1403 unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt);
1404 unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame);
1405 
1406 unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix);
1407 unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np,
1408 						     const char *prefix,
1409 						     struct device_node **bitclkmaster,
1410 						     struct device_node **framemaster);
1411 #define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)	\
1412 	snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL)
1413 #define snd_soc_daifmt_parse_clock_provider_as_phandle			\
1414 	snd_soc_daifmt_parse_clock_provider_raw
1415 #define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix)		\
1416 	snd_soc_daifmt_clock_provider_from_bitmap(			\
1417 		snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix))
1418 
1419 int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream);
1420 int snd_soc_get_dlc(const struct of_phandle_args *args,
1421 		    struct snd_soc_dai_link_component *dlc);
1422 int snd_soc_of_get_dlc(struct device_node *of_node,
1423 		       struct of_phandle_args *args,
1424 		       struct snd_soc_dai_link_component *dlc,
1425 		       int index);
1426 int snd_soc_get_dai_id(struct device_node *ep);
1427 int snd_soc_get_dai_name(const struct of_phandle_args *args,
1428 			 const char **dai_name);
1429 int snd_soc_of_get_dai_name(struct device_node *of_node,
1430 			    const char **dai_name, int index);
1431 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1432 				   struct device_node *of_node,
1433 				   struct snd_soc_dai_link *dai_link);
1434 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1435 int snd_soc_of_get_dai_link_cpus(struct device *dev,
1436 				 struct device_node *of_node,
1437 				 struct snd_soc_dai_link *dai_link);
1438 void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link);
1439 
1440 int snd_soc_add_pcm_runtimes(struct snd_soc_card *card,
1441 			     struct snd_soc_dai_link *dai_link,
1442 			     int num_dai_link);
1443 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
1444 				struct snd_soc_pcm_runtime *rtd);
1445 
1446 void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms,
1447 				     struct snd_soc_dai_link_component *cpus);
1448 struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev,
1449 					      const struct of_phandle_args *args);
1450 struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args);
1451 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
1452 					 struct snd_soc_dai_driver *dai_drv,
1453 					 bool legacy_dai_naming);
1454 void snd_soc_unregister_dai(struct snd_soc_dai *dai);
1455 
1456 struct snd_soc_dai *snd_soc_find_dai(
1457 	const struct snd_soc_dai_link_component *dlc);
1458 struct snd_soc_dai *snd_soc_find_dai_with_mutex(
1459 	const struct snd_soc_dai_link_component *dlc);
1460 
1461 #include <sound/soc-dai.h>
1462 
1463 static inline
snd_soc_fixup_dai_links_platform_name(struct snd_soc_card * card,const char * platform_name)1464 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
1465 					  const char *platform_name)
1466 {
1467 	struct snd_soc_dai_link *dai_link;
1468 	const char *name;
1469 	int i;
1470 
1471 	if (!platform_name) /* nothing to do */
1472 		return 0;
1473 
1474 	/* set platform name for each dailink */
1475 	for_each_card_prelinks(card, i, dai_link) {
1476 		/* only single platform is supported for now */
1477 		if (dai_link->num_platforms != 1)
1478 			return -EINVAL;
1479 
1480 		if (!dai_link->platforms)
1481 			return -EINVAL;
1482 
1483 		name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
1484 		if (!name)
1485 			return -ENOMEM;
1486 
1487 		/* only single platform is supported for now */
1488 		dai_link->platforms->name = name;
1489 	}
1490 
1491 	return 0;
1492 }
1493 
1494 #ifdef CONFIG_DEBUG_FS
1495 extern struct dentry *snd_soc_debugfs_root;
1496 #endif
1497 
1498 extern const struct dev_pm_ops snd_soc_pm_ops;
1499 
1500 /*
1501  *	DAPM helper functions
1502  */
1503 enum snd_soc_dapm_subclass {
1504 	SND_SOC_DAPM_CLASS_ROOT		= 0,
1505 	SND_SOC_DAPM_CLASS_RUNTIME	= 1,
1506 };
1507 
_snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card * card)1508 static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card)
1509 {
1510 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT);
1511 }
1512 
_snd_soc_dapm_mutex_lock_c(struct snd_soc_card * card)1513 static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card)
1514 {
1515 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1516 }
1517 
_snd_soc_dapm_mutex_unlock_c(struct snd_soc_card * card)1518 static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card)
1519 {
1520 	mutex_unlock(&card->dapm_mutex);
1521 }
1522 
_snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card * card)1523 static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card)
1524 {
1525 	lockdep_assert_held(&card->dapm_mutex);
1526 }
1527 
_snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context * dapm)1528 static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm)
1529 {
1530 	_snd_soc_dapm_mutex_lock_root_c(dapm->card);
1531 }
1532 
_snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context * dapm)1533 static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm)
1534 {
1535 	_snd_soc_dapm_mutex_lock_c(dapm->card);
1536 }
1537 
_snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context * dapm)1538 static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm)
1539 {
1540 	_snd_soc_dapm_mutex_unlock_c(dapm->card);
1541 }
1542 
_snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context * dapm)1543 static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm)
1544 {
1545 	_snd_soc_dapm_mutex_assert_held_c(dapm->card);
1546 }
1547 
1548 #define snd_soc_dapm_mutex_lock_root(x) _Generic((x),			\
1549 	struct snd_soc_card * :		_snd_soc_dapm_mutex_lock_root_c, \
1550 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_lock_root_d)(x)
1551 #define snd_soc_dapm_mutex_lock(x) _Generic((x),			\
1552 	struct snd_soc_card * :		_snd_soc_dapm_mutex_lock_c,	\
1553 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_lock_d)(x)
1554 #define snd_soc_dapm_mutex_unlock(x) _Generic((x),			\
1555 	struct snd_soc_card * :		_snd_soc_dapm_mutex_unlock_c,	\
1556 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_unlock_d)(x)
1557 #define snd_soc_dapm_mutex_assert_held(x) _Generic((x),			\
1558 	struct snd_soc_card * :		_snd_soc_dapm_mutex_assert_held_c, \
1559 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_assert_held_d)(x)
1560 
1561 /*
1562  *	PCM helper functions
1563  */
_snd_soc_dpcm_mutex_lock_c(struct snd_soc_card * card)1564 static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card)
1565 {
1566 	mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass);
1567 }
1568 
_snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card * card)1569 static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card)
1570 {
1571 	mutex_unlock(&card->pcm_mutex);
1572 }
1573 
_snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card * card)1574 static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card)
1575 {
1576 	lockdep_assert_held(&card->pcm_mutex);
1577 }
1578 
_snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime * rtd)1579 static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd)
1580 {
1581 	_snd_soc_dpcm_mutex_lock_c(rtd->card);
1582 }
1583 
_snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime * rtd)1584 static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd)
1585 {
1586 	_snd_soc_dpcm_mutex_unlock_c(rtd->card);
1587 }
1588 
_snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime * rtd)1589 static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd)
1590 {
1591 	_snd_soc_dpcm_mutex_assert_held_c(rtd->card);
1592 }
1593 
1594 #define snd_soc_dpcm_mutex_lock(x) _Generic((x),			\
1595 	 struct snd_soc_card * :	_snd_soc_dpcm_mutex_lock_c,	\
1596 	 struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_lock_r)(x)
1597 
1598 #define snd_soc_dpcm_mutex_unlock(x) _Generic((x),			\
1599 	 struct snd_soc_card * :	_snd_soc_dpcm_mutex_unlock_c,	\
1600 	 struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_unlock_r)(x)
1601 
1602 #define snd_soc_dpcm_mutex_assert_held(x) _Generic((x),		\
1603 	struct snd_soc_card * :		_snd_soc_dpcm_mutex_assert_held_c, \
1604 	struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_assert_held_r)(x)
1605 
1606 #include <sound/soc-component.h>
1607 #include <sound/soc-card.h>
1608 #include <sound/soc-jack.h>
1609 
1610 #endif
1611