xref: /linux/include/sound/soc.h (revision 4849b2f7)
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, int num);
490 #ifdef CONFIG_SND_SOC_COMPRESS
491 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
492 #else
snd_soc_new_compress(struct snd_soc_pcm_runtime * rtd,int num)493 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
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 */
544 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
545 	const struct snd_pcm_hardware *hw);
546 
547 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
548 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
549 	unsigned int id, unsigned int id_mask);
550 void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
551 
552 #ifdef CONFIG_SND_SOC_AC97_BUS
553 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
554 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
555 		struct platform_device *pdev);
556 
557 extern struct snd_ac97_bus_ops *soc_ac97_ops;
558 #else
snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops * ops,struct platform_device * pdev)559 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
560 	struct platform_device *pdev)
561 {
562 	return 0;
563 }
564 
snd_soc_set_ac97_ops(struct snd_ac97_bus_ops * ops)565 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
566 {
567 	return 0;
568 }
569 #endif
570 
571 /*
572  *Controls
573  */
574 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
575 				  void *data, const char *long_name,
576 				  const char *prefix);
577 int snd_soc_add_component_controls(struct snd_soc_component *component,
578 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
579 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
580 	const struct snd_kcontrol_new *controls, int num_controls);
581 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
582 	const struct snd_kcontrol_new *controls, int num_controls);
583 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
584 	struct snd_ctl_elem_info *uinfo);
585 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
586 	struct snd_ctl_elem_value *ucontrol);
587 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
588 	struct snd_ctl_elem_value *ucontrol);
589 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
590 	struct snd_ctl_elem_info *uinfo);
591 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
592 			  struct snd_ctl_elem_info *uinfo);
593 #define snd_soc_info_bool_ext		snd_ctl_boolean_mono_info
594 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
595 	struct snd_ctl_elem_value *ucontrol);
596 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
597 	struct snd_ctl_elem_value *ucontrol);
598 #define snd_soc_get_volsw_2r snd_soc_get_volsw
599 #define snd_soc_put_volsw_2r snd_soc_put_volsw
600 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
601 	struct snd_ctl_elem_value *ucontrol);
602 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
603 	struct snd_ctl_elem_value *ucontrol);
604 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
605 	struct snd_ctl_elem_info *uinfo);
606 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
607 	struct snd_ctl_elem_value *ucontrol);
608 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
609 	struct snd_ctl_elem_value *ucontrol);
610 int snd_soc_limit_volume(struct snd_soc_card *card,
611 	const char *name, int max);
612 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
613 		       struct snd_ctl_elem_info *uinfo);
614 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
615 		      struct snd_ctl_elem_value *ucontrol);
616 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
617 		      struct snd_ctl_elem_value *ucontrol);
618 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
619 	struct snd_ctl_elem_info *ucontrol);
620 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
621 	unsigned int size, unsigned int __user *tlv);
622 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
623 	struct snd_ctl_elem_info *uinfo);
624 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
625 	struct snd_ctl_elem_value *ucontrol);
626 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
627 	struct snd_ctl_elem_value *ucontrol);
628 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
629 	struct snd_ctl_elem_value *ucontrol);
630 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
631 	struct snd_ctl_elem_value *ucontrol);
632 
633 enum snd_soc_trigger_order {
634 						/* start			stop		     */
635 	SND_SOC_TRIGGER_ORDER_DEFAULT	= 0,	/* Link->Component->DAI		DAI->Component->Link */
636 	SND_SOC_TRIGGER_ORDER_LDC,		/* Link->DAI->Component		Component->DAI->Link */
637 
638 	SND_SOC_TRIGGER_ORDER_MAX,
639 };
640 
641 /* SoC PCM stream information */
642 struct snd_soc_pcm_stream {
643 	const char *stream_name;
644 	u64 formats;			/* SNDRV_PCM_FMTBIT_* */
645 	u32 subformats;			/* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */
646 	unsigned int rates;		/* SNDRV_PCM_RATE_* */
647 	unsigned int rate_min;		/* min rate */
648 	unsigned int rate_max;		/* max rate */
649 	unsigned int channels_min;	/* min channels */
650 	unsigned int channels_max;	/* max channels */
651 	unsigned int sig_bits;		/* number of bits of content */
652 };
653 
654 /* SoC audio ops */
655 struct snd_soc_ops {
656 	int (*startup)(struct snd_pcm_substream *);
657 	void (*shutdown)(struct snd_pcm_substream *);
658 	int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
659 	int (*hw_free)(struct snd_pcm_substream *);
660 	int (*prepare)(struct snd_pcm_substream *);
661 	int (*trigger)(struct snd_pcm_substream *, int);
662 };
663 
664 struct snd_soc_compr_ops {
665 	int (*startup)(struct snd_compr_stream *);
666 	void (*shutdown)(struct snd_compr_stream *);
667 	int (*set_params)(struct snd_compr_stream *);
668 };
669 
670 struct snd_soc_component*
671 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
672 		       const char *driver_name);
673 
674 struct snd_soc_dai_link_component {
675 	const char *name;
676 	struct device_node *of_node;
677 	const char *dai_name;
678 	const struct of_phandle_args *dai_args;
679 };
680 
681 /*
682  * [dai_link->ch_maps Image sample]
683  *
684  *-------------------------
685  * CPU0 <---> Codec0
686  *
687  * ch-map[0].cpu = 0	ch-map[0].codec = 0
688  *
689  *-------------------------
690  * CPU0 <---> Codec0
691  * CPU1 <---> Codec1
692  * CPU2 <---> Codec2
693  *
694  * ch-map[0].cpu = 0	ch-map[0].codec = 0
695  * ch-map[1].cpu = 1	ch-map[1].codec = 1
696  * ch-map[2].cpu = 2	ch-map[2].codec = 2
697  *
698  *-------------------------
699  * CPU0 <---> Codec0
700  * CPU1 <-+-> Codec1
701  * CPU2 <-/
702  *
703  * ch-map[0].cpu = 0	ch-map[0].codec = 0
704  * ch-map[1].cpu = 1	ch-map[1].codec = 1
705  * ch-map[2].cpu = 2	ch-map[2].codec = 1
706  *
707  *-------------------------
708  * CPU0 <---> Codec0
709  * CPU1 <-+-> Codec1
710  *	  \-> Codec2
711  *
712  * ch-map[0].cpu = 0	ch-map[0].codec = 0
713  * ch-map[1].cpu = 1	ch-map[1].codec = 1
714  * ch-map[2].cpu = 1	ch-map[2].codec = 2
715  *
716  */
717 struct snd_soc_dai_link_ch_map {
718 	unsigned int cpu;
719 	unsigned int codec;
720 	unsigned int ch_mask;
721 };
722 
723 struct snd_soc_dai_link {
724 	/* config - must be set by machine driver */
725 	const char *name;			/* Codec name */
726 	const char *stream_name;		/* Stream name */
727 
728 	/*
729 	 * You MAY specify the link's CPU-side device, either by device name,
730 	 * or by DT/OF node, but not both. If this information is omitted,
731 	 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
732 	 * must be globally unique. These fields are currently typically used
733 	 * only for codec to codec links, or systems using device tree.
734 	 */
735 	/*
736 	 * You MAY specify the DAI name of the CPU DAI. If this information is
737 	 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
738 	 * only, which only works well when that device exposes a single DAI.
739 	 */
740 	struct snd_soc_dai_link_component *cpus;
741 	unsigned int num_cpus;
742 
743 	/*
744 	 * You MUST specify the link's codec, either by device name, or by
745 	 * DT/OF node, but not both.
746 	 */
747 	/* You MUST specify the DAI name within the codec */
748 	struct snd_soc_dai_link_component *codecs;
749 	unsigned int num_codecs;
750 
751 	/* num_ch_maps = max(num_cpu, num_codecs) */
752 	struct snd_soc_dai_link_ch_map *ch_maps;
753 
754 	/*
755 	 * You MAY specify the link's platform/PCM/DMA driver, either by
756 	 * device name, or by DT/OF node, but not both. Some forms of link
757 	 * do not need a platform. In such case, platforms are not mandatory.
758 	 */
759 	struct snd_soc_dai_link_component *platforms;
760 	unsigned int num_platforms;
761 
762 	int id;	/* optional ID for machine driver link identification */
763 
764 	/*
765 	 * for Codec2Codec
766 	 */
767 	const struct snd_soc_pcm_stream *c2c_params;
768 	unsigned int num_c2c_params;
769 
770 	unsigned int dai_fmt;           /* format to set on init */
771 
772 	enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
773 
774 	/* codec/machine specific init - e.g. add machine controls */
775 	int (*init)(struct snd_soc_pcm_runtime *rtd);
776 
777 	/* codec/machine specific exit - dual of init() */
778 	void (*exit)(struct snd_soc_pcm_runtime *rtd);
779 
780 	/* optional hw_params re-writing for BE and FE sync */
781 	int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
782 			struct snd_pcm_hw_params *params);
783 
784 	/* machine stream operations */
785 	const struct snd_soc_ops *ops;
786 	const struct snd_soc_compr_ops *compr_ops;
787 
788 	/*
789 	 * soc_pcm_trigger() start/stop sequence.
790 	 * see also
791 	 *	snd_soc_component_driver
792 	 *	soc_pcm_trigger()
793 	 */
794 	enum snd_soc_trigger_order trigger_start;
795 	enum snd_soc_trigger_order trigger_stop;
796 
797 	/* Mark this pcm with non atomic ops */
798 	unsigned int nonatomic:1;
799 
800 	/* For unidirectional dai links */
801 	unsigned int playback_only:1;
802 	unsigned int capture_only:1;
803 
804 	/* Keep DAI active over suspend */
805 	unsigned int ignore_suspend:1;
806 
807 	/* Symmetry requirements */
808 	unsigned int symmetric_rate:1;
809 	unsigned int symmetric_channels:1;
810 	unsigned int symmetric_sample_bits:1;
811 
812 	/* Do not create a PCM for this DAI link (Backend link) */
813 	unsigned int no_pcm:1;
814 
815 	/* This DAI link can route to other DAI links at runtime (Frontend)*/
816 	unsigned int dynamic:1;
817 
818 	/* REMOVE ME */
819 	/* DPCM capture and Playback support */
820 	unsigned int dpcm_capture:1;
821 	unsigned int dpcm_playback:1;
822 
823 	/* DPCM used FE & BE merged format */
824 	unsigned int dpcm_merged_format:1;
825 	/* DPCM used FE & BE merged channel */
826 	unsigned int dpcm_merged_chan:1;
827 	/* DPCM used FE & BE merged rate */
828 	unsigned int dpcm_merged_rate:1;
829 
830 	/* pmdown_time is ignored at stop */
831 	unsigned int ignore_pmdown_time:1;
832 
833 	/* Do not create a PCM for this DAI link (Backend link) */
834 	unsigned int ignore:1;
835 
836 #ifdef CONFIG_SND_SOC_TOPOLOGY
837 	struct snd_soc_dobj dobj; /* For topology */
838 #endif
839 };
840 
snd_soc_link_num_ch_map(const struct snd_soc_dai_link * link)841 static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link)
842 {
843 	return max(link->num_cpus, link->num_codecs);
844 }
845 
846 static inline struct snd_soc_dai_link_component*
snd_soc_link_to_cpu(struct snd_soc_dai_link * link,int n)847 snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) {
848 	return &(link)->cpus[n];
849 }
850 
851 static inline struct snd_soc_dai_link_component*
snd_soc_link_to_codec(struct snd_soc_dai_link * link,int n)852 snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) {
853 	return &(link)->codecs[n];
854 }
855 
856 static inline struct snd_soc_dai_link_component*
snd_soc_link_to_platform(struct snd_soc_dai_link * link,int n)857 snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) {
858 	return &(link)->platforms[n];
859 }
860 
861 #define for_each_link_codecs(link, i, codec)				\
862 	for ((i) = 0;							\
863 	     ((i) < link->num_codecs) &&				\
864 		     ((codec) = snd_soc_link_to_codec(link, i));		\
865 	     (i)++)
866 
867 #define for_each_link_platforms(link, i, platform)			\
868 	for ((i) = 0;							\
869 	     ((i) < link->num_platforms) &&				\
870 		     ((platform) = snd_soc_link_to_platform(link, i));	\
871 	     (i)++)
872 
873 #define for_each_link_cpus(link, i, cpu)				\
874 	for ((i) = 0;							\
875 	     ((i) < link->num_cpus) &&					\
876 		     ((cpu) = snd_soc_link_to_cpu(link, i));		\
877 	     (i)++)
878 
879 #define for_each_link_ch_maps(link, i, ch_map)			\
880 	for ((i) = 0;						\
881 	     ((i) < snd_soc_link_num_ch_map(link) &&		\
882 		      ((ch_map) = link->ch_maps + i));		\
883 	     (i)++)
884 
885 /*
886  * Sample 1 : Single CPU/Codec/Platform
887  *
888  * SND_SOC_DAILINK_DEFS(test,
889  *	DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")),
890  *	DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")),
891  *	DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
892  *
893  * struct snd_soc_dai_link link = {
894  *	...
895  *	SND_SOC_DAILINK_REG(test),
896  * };
897  *
898  * Sample 2 : Multi CPU/Codec, no Platform
899  *
900  * SND_SOC_DAILINK_DEFS(test,
901  *	DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
902  *			   COMP_CPU("cpu_dai2")),
903  *	DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
904  *			   COMP_CODEC("codec2", "codec_dai2")));
905  *
906  * struct snd_soc_dai_link link = {
907  *	...
908  *	SND_SOC_DAILINK_REG(test),
909  * };
910  *
911  * Sample 3 : Define each CPU/Codec/Platform manually
912  *
913  * SND_SOC_DAILINK_DEF(test_cpu,
914  *		DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
915  *				   COMP_CPU("cpu_dai2")));
916  * SND_SOC_DAILINK_DEF(test_codec,
917  *		DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
918  *				   COMP_CODEC("codec2", "codec_dai2")));
919  * SND_SOC_DAILINK_DEF(test_platform,
920  *		DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
921  *
922  * struct snd_soc_dai_link link = {
923  *	...
924  *	SND_SOC_DAILINK_REG(test_cpu,
925  *			    test_codec,
926  *			    test_platform),
927  * };
928  *
929  * Sample 4 : Sample3 without platform
930  *
931  * struct snd_soc_dai_link link = {
932  *	...
933  *	SND_SOC_DAILINK_REG(test_cpu,
934  *			    test_codec);
935  * };
936  */
937 
938 #define SND_SOC_DAILINK_REG1(name)	 SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms)
939 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component)
940 #define SND_SOC_DAILINK_REG3(cpu, codec, platform)	\
941 	.cpus		= cpu,				\
942 	.num_cpus	= ARRAY_SIZE(cpu),		\
943 	.codecs		= codec,			\
944 	.num_codecs	= ARRAY_SIZE(codec),		\
945 	.platforms	= platform,			\
946 	.num_platforms	= ARRAY_SIZE(platform)
947 
948 #define SND_SOC_DAILINK_REG(...) \
949 	CONCATENATE(SND_SOC_DAILINK_REG, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__)
950 
951 #define SND_SOC_DAILINK_DEF(name, def...)		\
952 	static struct snd_soc_dai_link_component name[]	= { def }
953 
954 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...)	\
955 	SND_SOC_DAILINK_DEF(name##_cpus, cpu);			\
956 	SND_SOC_DAILINK_DEF(name##_codecs, codec);		\
957 	SND_SOC_DAILINK_DEF(name##_platforms, platform)
958 
959 #define DAILINK_COMP_ARRAY(param...)	param
960 #define COMP_EMPTY()			{ }
961 #define COMP_CPU(_dai)			{ .dai_name = _dai, }
962 #define COMP_CODEC(_name, _dai)		{ .name = _name, .dai_name = _dai, }
963 #define COMP_PLATFORM(_name)		{ .name = _name }
964 #define COMP_AUX(_name)			{ .name = _name }
965 #define COMP_CODEC_CONF(_name)		{ .name = _name }
966 #define COMP_DUMMY()			/* see snd_soc_fill_dummy_dai() */
967 
968 extern struct snd_soc_dai_link_component null_dailink_component[0];
969 extern struct snd_soc_dai_link_component snd_soc_dummy_dlc;
970 
971 
972 struct snd_soc_codec_conf {
973 	/*
974 	 * specify device either by device name, or by
975 	 * DT/OF node, but not both.
976 	 */
977 	struct snd_soc_dai_link_component dlc;
978 
979 	/*
980 	 * optional map of kcontrol, widget and path name prefixes that are
981 	 * associated per device
982 	 */
983 	const char *name_prefix;
984 };
985 
986 struct snd_soc_aux_dev {
987 	/*
988 	 * specify multi-codec either by device name, or by
989 	 * DT/OF node, but not both.
990 	 */
991 	struct snd_soc_dai_link_component dlc;
992 
993 	/* codec/machine specific init - e.g. add machine controls */
994 	int (*init)(struct snd_soc_component *component);
995 };
996 
997 /* SoC card */
998 struct snd_soc_card {
999 	const char *name;
1000 	const char *long_name;
1001 	const char *driver_name;
1002 	const char *components;
1003 #ifdef CONFIG_DMI
1004 	char dmi_longname[80];
1005 #endif /* CONFIG_DMI */
1006 
1007 #ifdef CONFIG_PCI
1008 	/*
1009 	 * PCI does not define 0 as invalid, so pci_subsystem_set indicates
1010 	 * whether a value has been written to these fields.
1011 	 */
1012 	unsigned short pci_subsystem_vendor;
1013 	unsigned short pci_subsystem_device;
1014 	bool pci_subsystem_set;
1015 #endif /* CONFIG_PCI */
1016 
1017 	char topology_shortname[32];
1018 
1019 	struct device *dev;
1020 	struct snd_card *snd_card;
1021 	struct module *owner;
1022 
1023 	struct mutex mutex;
1024 	struct mutex dapm_mutex;
1025 
1026 	/* Mutex for PCM operations */
1027 	struct mutex pcm_mutex;
1028 	enum snd_soc_pcm_subclass pcm_subclass;
1029 
1030 	int (*probe)(struct snd_soc_card *card);
1031 	int (*late_probe)(struct snd_soc_card *card);
1032 	void (*fixup_controls)(struct snd_soc_card *card);
1033 	int (*remove)(struct snd_soc_card *card);
1034 
1035 	/* the pre and post PM functions are used to do any PM work before and
1036 	 * after the codec and DAI's do any PM work. */
1037 	int (*suspend_pre)(struct snd_soc_card *card);
1038 	int (*suspend_post)(struct snd_soc_card *card);
1039 	int (*resume_pre)(struct snd_soc_card *card);
1040 	int (*resume_post)(struct snd_soc_card *card);
1041 
1042 	/* callbacks */
1043 	int (*set_bias_level)(struct snd_soc_card *,
1044 			      struct snd_soc_dapm_context *dapm,
1045 			      enum snd_soc_bias_level level);
1046 	int (*set_bias_level_post)(struct snd_soc_card *,
1047 				   struct snd_soc_dapm_context *dapm,
1048 				   enum snd_soc_bias_level level);
1049 
1050 	int (*add_dai_link)(struct snd_soc_card *,
1051 			    struct snd_soc_dai_link *link);
1052 	void (*remove_dai_link)(struct snd_soc_card *,
1053 			    struct snd_soc_dai_link *link);
1054 
1055 	long pmdown_time;
1056 
1057 	/* CPU <--> Codec DAI links  */
1058 	struct snd_soc_dai_link *dai_link;  /* predefined links only */
1059 	int num_links;  /* predefined links only */
1060 
1061 	struct list_head rtd_list;
1062 	int num_rtd;
1063 
1064 	/* optional codec specific configuration */
1065 	struct snd_soc_codec_conf *codec_conf;
1066 	int num_configs;
1067 
1068 	/*
1069 	 * optional auxiliary devices such as amplifiers or codecs with DAI
1070 	 * link unused
1071 	 */
1072 	struct snd_soc_aux_dev *aux_dev;
1073 	int num_aux_devs;
1074 	struct list_head aux_comp_list;
1075 
1076 	const struct snd_kcontrol_new *controls;
1077 	int num_controls;
1078 
1079 	/*
1080 	 * Card-specific routes and widgets.
1081 	 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1082 	 */
1083 	const struct snd_soc_dapm_widget *dapm_widgets;
1084 	int num_dapm_widgets;
1085 	const struct snd_soc_dapm_route *dapm_routes;
1086 	int num_dapm_routes;
1087 	const struct snd_soc_dapm_widget *of_dapm_widgets;
1088 	int num_of_dapm_widgets;
1089 	const struct snd_soc_dapm_route *of_dapm_routes;
1090 	int num_of_dapm_routes;
1091 
1092 	/* lists of probed devices belonging to this card */
1093 	struct list_head component_dev_list;
1094 	struct list_head list;
1095 
1096 	struct list_head widgets;
1097 	struct list_head paths;
1098 	struct list_head dapm_list;
1099 	struct list_head dapm_dirty;
1100 
1101 	/* attached dynamic objects */
1102 	struct list_head dobj_list;
1103 
1104 	/* Generic DAPM context for the card */
1105 	struct snd_soc_dapm_context dapm;
1106 	struct snd_soc_dapm_stats dapm_stats;
1107 	struct snd_soc_dapm_update *update;
1108 
1109 #ifdef CONFIG_DEBUG_FS
1110 	struct dentry *debugfs_card_root;
1111 #endif
1112 #ifdef CONFIG_PM_SLEEP
1113 	struct work_struct deferred_resume_work;
1114 #endif
1115 	u32 pop_time;
1116 
1117 	/* bit field */
1118 	unsigned int instantiated:1;
1119 	unsigned int topology_shortname_created:1;
1120 	unsigned int fully_routed:1;
1121 	unsigned int disable_route_checks:1;
1122 	unsigned int probed:1;
1123 	unsigned int component_chaining:1;
1124 
1125 	void *drvdata;
1126 };
1127 #define for_each_card_prelinks(card, i, link)				\
1128 	for ((i) = 0;							\
1129 	     ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
1130 	     (i)++)
1131 #define for_each_card_pre_auxs(card, i, aux)				\
1132 	for ((i) = 0;							\
1133 	     ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \
1134 	     (i)++)
1135 
1136 #define for_each_card_rtds(card, rtd)			\
1137 	list_for_each_entry(rtd, &(card)->rtd_list, list)
1138 #define for_each_card_rtds_safe(card, rtd, _rtd)	\
1139 	list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1140 
1141 #define for_each_card_auxs(card, component)			\
1142 	list_for_each_entry(component, &card->aux_comp_list, card_aux_list)
1143 #define for_each_card_auxs_safe(card, component, _comp)	\
1144 	list_for_each_entry_safe(component, _comp,	\
1145 				 &card->aux_comp_list, card_aux_list)
1146 
1147 #define for_each_card_components(card, component)			\
1148 	list_for_each_entry(component, &(card)->component_dev_list, card_list)
1149 
1150 #define for_each_card_dapms(card, dapm)					\
1151 	list_for_each_entry(dapm, &card->dapm_list, list)
1152 
1153 #define for_each_card_widgets(card, w)\
1154 	list_for_each_entry(w, &card->widgets, list)
1155 #define for_each_card_widgets_safe(card, w, _w)	\
1156 	list_for_each_entry_safe(w, _w, &card->widgets, list)
1157 
1158 
snd_soc_card_is_instantiated(struct snd_soc_card * card)1159 static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card)
1160 {
1161 	return card && card->instantiated;
1162 }
1163 
1164 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1165 struct snd_soc_pcm_runtime {
1166 	struct device *dev;
1167 	struct snd_soc_card *card;
1168 	struct snd_soc_dai_link *dai_link;
1169 	struct snd_pcm_ops ops;
1170 
1171 	unsigned int c2c_params_select; /* currently selected c2c_param for dai link */
1172 
1173 	/* Dynamic PCM BE runtime data */
1174 	struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1];
1175 	struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1];
1176 
1177 	long pmdown_time;
1178 
1179 	/* runtime devices */
1180 	struct snd_pcm *pcm;
1181 	struct snd_compr *compr;
1182 
1183 	/*
1184 	 * dais = cpu_dai + codec_dai
1185 	 * see
1186 	 *	soc_new_pcm_runtime()
1187 	 *	snd_soc_rtd_to_cpu()
1188 	 *	snd_soc_rtd_to_codec()
1189 	 */
1190 	struct snd_soc_dai **dais;
1191 
1192 	struct delayed_work delayed_work;
1193 	void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd);
1194 #ifdef CONFIG_DEBUG_FS
1195 	struct dentry *debugfs_dpcm_root;
1196 #endif
1197 
1198 	unsigned int num; /* 0-based and monotonic increasing */
1199 	struct list_head list; /* rtd list of the soc card */
1200 
1201 	/* function mark */
1202 	struct snd_pcm_substream *mark_startup;
1203 	struct snd_pcm_substream *mark_hw_params;
1204 	struct snd_pcm_substream *mark_trigger;
1205 	struct snd_compr_stream  *mark_compr_startup;
1206 
1207 	/* bit field */
1208 	unsigned int pop_wait:1;
1209 	unsigned int fe_compr:1; /* for Dynamic PCM */
1210 	unsigned int initialized:1;
1211 
1212 	/* CPU/Codec/Platform */
1213 	int num_components;
1214 	struct snd_soc_component *components[] __counted_by(num_components);
1215 };
1216 
1217 /* see soc_new_pcm_runtime()  */
1218 #define snd_soc_rtd_to_cpu(rtd, n)   (rtd)->dais[n]
1219 #define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus]
1220 
1221 static inline struct snd_soc_pcm_runtime *
snd_soc_substream_to_rtd(const struct snd_pcm_substream * substream)1222 snd_soc_substream_to_rtd(const struct snd_pcm_substream *substream)
1223 {
1224 	return snd_pcm_substream_chip(substream);
1225 }
1226 
1227 #define for_each_rtd_components(rtd, i, component)			\
1228 	for ((i) = 0, component = NULL;					\
1229 	     ((i) < rtd->num_components) && ((component) = rtd->components[i]);\
1230 	     (i)++)
1231 #define for_each_rtd_cpu_dais(rtd, i, dai)				\
1232 	for ((i) = 0;							\
1233 	     ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \
1234 	     (i)++)
1235 #define for_each_rtd_codec_dais(rtd, i, dai)				\
1236 	for ((i) = 0;							\
1237 	     ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \
1238 	     (i)++)
1239 #define for_each_rtd_dais(rtd, i, dai)					\
1240 	for ((i) = 0;							\
1241 	     ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) &&	\
1242 		     ((dai) = (rtd)->dais[i]);				\
1243 	     (i)++)
1244 #define for_each_rtd_dais_reverse(rtd, i, dai)					\
1245 	for ((i) = (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs - 1;	\
1246 	     (i) >= 0 && ((dai) = (rtd)->dais[i]);				\
1247 	     (i)--)
1248 #define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps)
1249 
1250 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd);
1251 
1252 /* mixer control */
1253 struct soc_mixer_control {
1254 	int min, max, platform_max;
1255 	int reg, rreg;
1256 	unsigned int shift, rshift;
1257 	unsigned int sign_bit;
1258 	unsigned int invert:1;
1259 	unsigned int autodisable:1;
1260 #ifdef CONFIG_SND_SOC_TOPOLOGY
1261 	struct snd_soc_dobj dobj;
1262 #endif
1263 };
1264 
1265 struct soc_bytes {
1266 	int base;
1267 	int num_regs;
1268 	u32 mask;
1269 };
1270 
1271 struct soc_bytes_ext {
1272 	int max;
1273 #ifdef CONFIG_SND_SOC_TOPOLOGY
1274 	struct snd_soc_dobj dobj;
1275 #endif
1276 	/* used for TLV byte control */
1277 	int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1278 			unsigned int size);
1279 	int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1280 			unsigned int size);
1281 };
1282 
1283 /* multi register control */
1284 struct soc_mreg_control {
1285 	long min, max;
1286 	unsigned int regbase, regcount, nbits, invert;
1287 };
1288 
1289 /* enumerated kcontrol */
1290 struct soc_enum {
1291 	int reg;
1292 	unsigned char shift_l;
1293 	unsigned char shift_r;
1294 	unsigned int items;
1295 	unsigned int mask;
1296 	const char * const *texts;
1297 	const unsigned int *values;
1298 	unsigned int autodisable:1;
1299 #ifdef CONFIG_SND_SOC_TOPOLOGY
1300 	struct snd_soc_dobj dobj;
1301 #endif
1302 };
1303 
snd_soc_volsw_is_stereo(const struct soc_mixer_control * mc)1304 static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc)
1305 {
1306 	if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1307 		return false;
1308 	/*
1309 	 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1310 	 * mc->reg != mc->rreg means that the control is
1311 	 * stereo (bits in one register or in two registers)
1312 	 */
1313 	return true;
1314 }
1315 
snd_soc_enum_val_to_item(const struct soc_enum * e,unsigned int val)1316 static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e,
1317 	unsigned int val)
1318 {
1319 	unsigned int i;
1320 
1321 	if (!e->values)
1322 		return val;
1323 
1324 	for (i = 0; i < e->items; i++)
1325 		if (val == e->values[i])
1326 			return i;
1327 
1328 	return 0;
1329 }
1330 
snd_soc_enum_item_to_val(const struct soc_enum * e,unsigned int item)1331 static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e,
1332 	unsigned int item)
1333 {
1334 	if (!e->values)
1335 		return item;
1336 
1337 	return e->values[item];
1338 }
1339 
1340 /**
1341  * snd_soc_kcontrol_component() - Returns the component that registered the
1342  *  control
1343  * @kcontrol: The control for which to get the component
1344  *
1345  * Note: This function will work correctly if the control has been registered
1346  * for a component. With snd_soc_add_codec_controls() or via table based
1347  * setup for either a CODEC or component driver. Otherwise the behavior is
1348  * undefined.
1349  */
snd_soc_kcontrol_component(struct snd_kcontrol * kcontrol)1350 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1351 	struct snd_kcontrol *kcontrol)
1352 {
1353 	return snd_kcontrol_chip(kcontrol);
1354 }
1355 
1356 int snd_soc_util_init(void);
1357 void snd_soc_util_exit(void);
1358 
1359 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1360 			       const char *propname);
1361 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1362 					  const char *propname);
1363 int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop);
1364 int snd_soc_of_get_slot_mask(struct device_node *np,
1365 			     const char *prop_name,
1366 			     unsigned int *mask);
1367 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1368 			      unsigned int *tx_mask,
1369 			      unsigned int *rx_mask,
1370 			      unsigned int *slots,
1371 			      unsigned int *slot_width);
1372 void snd_soc_of_parse_node_prefix(struct device_node *np,
1373 				   struct snd_soc_codec_conf *codec_conf,
1374 				   struct device_node *of_node,
1375 				   const char *propname);
1376 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)1377 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1378 				   struct snd_soc_codec_conf *codec_conf,
1379 				   struct device_node *of_node,
1380 				   const char *propname)
1381 {
1382 	snd_soc_of_parse_node_prefix(card->dev->of_node,
1383 				     codec_conf, of_node, propname);
1384 }
1385 
1386 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1387 				   const char *propname);
1388 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname);
1389 
1390 unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt);
1391 unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame);
1392 
1393 unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix);
1394 unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np,
1395 						     const char *prefix,
1396 						     struct device_node **bitclkmaster,
1397 						     struct device_node **framemaster);
1398 #define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)	\
1399 	snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL)
1400 #define snd_soc_daifmt_parse_clock_provider_as_phandle			\
1401 	snd_soc_daifmt_parse_clock_provider_raw
1402 #define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix)		\
1403 	snd_soc_daifmt_clock_provider_from_bitmap(			\
1404 		snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix))
1405 
1406 int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream);
1407 int snd_soc_get_dlc(const struct of_phandle_args *args,
1408 		    struct snd_soc_dai_link_component *dlc);
1409 int snd_soc_of_get_dlc(struct device_node *of_node,
1410 		       struct of_phandle_args *args,
1411 		       struct snd_soc_dai_link_component *dlc,
1412 		       int index);
1413 int snd_soc_get_dai_id(struct device_node *ep);
1414 int snd_soc_get_dai_name(const struct of_phandle_args *args,
1415 			 const char **dai_name);
1416 int snd_soc_of_get_dai_name(struct device_node *of_node,
1417 			    const char **dai_name, int index);
1418 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1419 				   struct device_node *of_node,
1420 				   struct snd_soc_dai_link *dai_link);
1421 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1422 int snd_soc_of_get_dai_link_cpus(struct device *dev,
1423 				 struct device_node *of_node,
1424 				 struct snd_soc_dai_link *dai_link);
1425 void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link);
1426 
1427 int snd_soc_add_pcm_runtimes(struct snd_soc_card *card,
1428 			     struct snd_soc_dai_link *dai_link,
1429 			     int num_dai_link);
1430 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
1431 				struct snd_soc_pcm_runtime *rtd);
1432 
1433 void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms,
1434 				     struct snd_soc_dai_link_component *cpus);
1435 struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev,
1436 					      const struct of_phandle_args *args);
1437 struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args);
1438 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
1439 					 struct snd_soc_dai_driver *dai_drv,
1440 					 bool legacy_dai_naming);
1441 struct snd_soc_dai *devm_snd_soc_register_dai(struct device *dev,
1442 					      struct snd_soc_component *component,
1443 					      struct snd_soc_dai_driver *dai_drv,
1444 					      bool legacy_dai_naming);
1445 void snd_soc_unregister_dai(struct snd_soc_dai *dai);
1446 
1447 struct snd_soc_dai *snd_soc_find_dai(
1448 	const struct snd_soc_dai_link_component *dlc);
1449 struct snd_soc_dai *snd_soc_find_dai_with_mutex(
1450 	const struct snd_soc_dai_link_component *dlc);
1451 
1452 #include <sound/soc-dai.h>
1453 
1454 static inline
snd_soc_fixup_dai_links_platform_name(struct snd_soc_card * card,const char * platform_name)1455 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
1456 					  const char *platform_name)
1457 {
1458 	struct snd_soc_dai_link *dai_link;
1459 	const char *name;
1460 	int i;
1461 
1462 	if (!platform_name) /* nothing to do */
1463 		return 0;
1464 
1465 	/* set platform name for each dailink */
1466 	for_each_card_prelinks(card, i, dai_link) {
1467 		/* only single platform is supported for now */
1468 		if (dai_link->num_platforms != 1)
1469 			return -EINVAL;
1470 
1471 		if (!dai_link->platforms)
1472 			return -EINVAL;
1473 
1474 		name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
1475 		if (!name)
1476 			return -ENOMEM;
1477 
1478 		/* only single platform is supported for now */
1479 		dai_link->platforms->name = name;
1480 	}
1481 
1482 	return 0;
1483 }
1484 
1485 #ifdef CONFIG_DEBUG_FS
1486 extern struct dentry *snd_soc_debugfs_root;
1487 #endif
1488 
1489 extern const struct dev_pm_ops snd_soc_pm_ops;
1490 
1491 /*
1492  *	DAPM helper functions
1493  */
1494 enum snd_soc_dapm_subclass {
1495 	SND_SOC_DAPM_CLASS_ROOT		= 0,
1496 	SND_SOC_DAPM_CLASS_RUNTIME	= 1,
1497 };
1498 
_snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card * card)1499 static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card)
1500 {
1501 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT);
1502 }
1503 
_snd_soc_dapm_mutex_lock_c(struct snd_soc_card * card)1504 static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card)
1505 {
1506 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1507 }
1508 
_snd_soc_dapm_mutex_unlock_c(struct snd_soc_card * card)1509 static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card)
1510 {
1511 	mutex_unlock(&card->dapm_mutex);
1512 }
1513 
_snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card * card)1514 static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card)
1515 {
1516 	lockdep_assert_held(&card->dapm_mutex);
1517 }
1518 
_snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context * dapm)1519 static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm)
1520 {
1521 	_snd_soc_dapm_mutex_lock_root_c(dapm->card);
1522 }
1523 
_snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context * dapm)1524 static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm)
1525 {
1526 	_snd_soc_dapm_mutex_lock_c(dapm->card);
1527 }
1528 
_snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context * dapm)1529 static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm)
1530 {
1531 	_snd_soc_dapm_mutex_unlock_c(dapm->card);
1532 }
1533 
_snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context * dapm)1534 static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm)
1535 {
1536 	_snd_soc_dapm_mutex_assert_held_c(dapm->card);
1537 }
1538 
1539 #define snd_soc_dapm_mutex_lock_root(x) _Generic((x),			\
1540 	struct snd_soc_card * :		_snd_soc_dapm_mutex_lock_root_c, \
1541 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_lock_root_d)(x)
1542 #define snd_soc_dapm_mutex_lock(x) _Generic((x),			\
1543 	struct snd_soc_card * :		_snd_soc_dapm_mutex_lock_c,	\
1544 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_lock_d)(x)
1545 #define snd_soc_dapm_mutex_unlock(x) _Generic((x),			\
1546 	struct snd_soc_card * :		_snd_soc_dapm_mutex_unlock_c,	\
1547 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_unlock_d)(x)
1548 #define snd_soc_dapm_mutex_assert_held(x) _Generic((x),			\
1549 	struct snd_soc_card * :		_snd_soc_dapm_mutex_assert_held_c, \
1550 	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_assert_held_d)(x)
1551 
1552 /*
1553  *	PCM helper functions
1554  */
_snd_soc_dpcm_mutex_lock_c(struct snd_soc_card * card)1555 static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card)
1556 {
1557 	mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass);
1558 }
1559 
_snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card * card)1560 static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card)
1561 {
1562 	mutex_unlock(&card->pcm_mutex);
1563 }
1564 
_snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card * card)1565 static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card)
1566 {
1567 	lockdep_assert_held(&card->pcm_mutex);
1568 }
1569 
_snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime * rtd)1570 static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd)
1571 {
1572 	_snd_soc_dpcm_mutex_lock_c(rtd->card);
1573 }
1574 
_snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime * rtd)1575 static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd)
1576 {
1577 	_snd_soc_dpcm_mutex_unlock_c(rtd->card);
1578 }
1579 
_snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime * rtd)1580 static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd)
1581 {
1582 	_snd_soc_dpcm_mutex_assert_held_c(rtd->card);
1583 }
1584 
1585 #define snd_soc_dpcm_mutex_lock(x) _Generic((x),			\
1586 	 struct snd_soc_card * :	_snd_soc_dpcm_mutex_lock_c,	\
1587 	 struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_lock_r)(x)
1588 
1589 #define snd_soc_dpcm_mutex_unlock(x) _Generic((x),			\
1590 	 struct snd_soc_card * :	_snd_soc_dpcm_mutex_unlock_c,	\
1591 	 struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_unlock_r)(x)
1592 
1593 #define snd_soc_dpcm_mutex_assert_held(x) _Generic((x),		\
1594 	struct snd_soc_card * :		_snd_soc_dpcm_mutex_assert_held_c, \
1595 	struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_assert_held_r)(x)
1596 
1597 #include <sound/soc-component.h>
1598 #include <sound/soc-card.h>
1599 #include <sound/soc-jack.h>
1600 
1601 #endif
1602