xref: /openbmc/linux/include/sound/soc.h (revision addee42a)
1 /*
2  * linux/sound/soc.h -- ALSA SoC Layer
3  *
4  * Author:		Liam Girdwood
5  * Created:		Aug 11th 2005
6  * Copyright:	Wolfson Microelectronics. PLC.
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12 
13 #ifndef __LINUX_SND_SOC_H
14 #define __LINUX_SND_SOC_H
15 
16 #include <linux/of.h>
17 #include <linux/platform_device.h>
18 #include <linux/types.h>
19 #include <linux/notifier.h>
20 #include <linux/workqueue.h>
21 #include <linux/interrupt.h>
22 #include <linux/kernel.h>
23 #include <linux/regmap.h>
24 #include <linux/log2.h>
25 #include <sound/core.h>
26 #include <sound/pcm.h>
27 #include <sound/compress_driver.h>
28 #include <sound/control.h>
29 #include <sound/ac97_codec.h>
30 
31 /*
32  * Convenience kcontrol builders
33  */
34 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
35 	((unsigned long)&(struct soc_mixer_control) \
36 	{.reg = xreg, .rreg = xreg, .shift = shift_left, \
37 	.rshift = shift_right, .max = xmax, .platform_max = xmax, \
38 	.invert = xinvert, .autodisable = xautodisable})
39 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
40 	((unsigned long)&(struct soc_mixer_control) \
41 	{.reg = xreg, .rreg = xreg, .shift = shift_left, \
42 	.rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \
43 	.sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
44 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
45 	SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
46 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
47 	((unsigned long)&(struct soc_mixer_control) \
48 	{.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
49 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
50 	((unsigned long)&(struct soc_mixer_control) \
51 	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
52 	.max = xmax, .platform_max = xmax, .invert = xinvert})
53 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
54 	((unsigned long)&(struct soc_mixer_control) \
55 	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
56 	.max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
57 	.invert = xinvert})
58 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
59 	((unsigned long)&(struct soc_mixer_control) \
60 	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
61 	.min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
62 #define SOC_SINGLE(xname, reg, shift, max, invert) \
63 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
64 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
65 	.put = snd_soc_put_volsw, \
66 	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
67 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
68 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
69 	.info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
70 	.put = snd_soc_put_volsw_range, \
71 	.private_value = (unsigned long)&(struct soc_mixer_control) \
72 		{.reg = xreg, .rreg = xreg, .shift = xshift, \
73 		 .rshift = xshift,  .min = xmin, .max = xmax, \
74 		 .platform_max = xmax, .invert = xinvert} }
75 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
76 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
77 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
78 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
79 	.tlv.p = (tlv_array), \
80 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
81 	.put = snd_soc_put_volsw, \
82 	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
83 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, 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_sx, \
89 	.get = snd_soc_get_volsw_sx,\
90 	.put = snd_soc_put_volsw_sx, \
91 	.private_value = (unsigned long)&(struct soc_mixer_control) \
92 		{.reg = xreg, .rreg = xreg, \
93 		.shift = xshift, .rshift = xshift, \
94 		.max = xmax, .min = xmin} }
95 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
96 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
97 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
98 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
99 	.tlv.p = (tlv_array), \
100 	.info = snd_soc_info_volsw_range, \
101 	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
102 	.private_value = (unsigned long)&(struct soc_mixer_control) \
103 		{.reg = xreg, .rreg = xreg, .shift = xshift, \
104 		 .rshift = xshift, .min = xmin, .max = xmax, \
105 		 .platform_max = xmax, .invert = xinvert} }
106 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
107 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
108 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
109 	.put = snd_soc_put_volsw, \
110 	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
111 					  max, invert, 0) }
112 #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
113 {									\
114 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),		\
115 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,		\
116 	.access = SNDRV_CTL_ELEM_ACCESS_READ |				\
117 		SNDRV_CTL_ELEM_ACCESS_VOLATILE,				\
118 	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right,	\
119 					  max, invert, 0) }
120 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
121 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
122 	.info = snd_soc_info_volsw, \
123 	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
124 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
125 					    xmax, xinvert) }
126 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
127 			   xmax, xinvert)		\
128 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
129 	.info = snd_soc_info_volsw_range, \
130 	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
131 	.private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
132 					    xshift, xmin, xmax, xinvert) }
133 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
134 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
135 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
136 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
137 	.tlv.p = (tlv_array), \
138 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
139 	.put = snd_soc_put_volsw, \
140 	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
141 					  max, invert, 0) }
142 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
143 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
144 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
145 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
146 	.tlv.p = (tlv_array), \
147 	.info = snd_soc_info_volsw, \
148 	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
149 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
150 					    xmax, xinvert) }
151 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
152 			       xmax, xinvert, tlv_array)		\
153 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
154 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
155 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
156 	.tlv.p = (tlv_array), \
157 	.info = snd_soc_info_volsw_range, \
158 	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
159 	.private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
160 					    xshift, xmin, xmax, xinvert) }
161 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
162 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
163 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
164 	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
165 	.tlv.p  = (tlv_array), \
166 	.info = snd_soc_info_volsw_sx, \
167 	.get = snd_soc_get_volsw_sx, \
168 	.put = snd_soc_put_volsw_sx, \
169 	.private_value = (unsigned long)&(struct soc_mixer_control) \
170 		{.reg = xreg, .rreg = xrreg, \
171 		.shift = xshift, .rshift = xshift, \
172 		.max = xmax, .min = xmin} }
173 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
174 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
175 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
176 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
177 	.tlv.p = (tlv_array), \
178 	.info = snd_soc_info_volsw, \
179 	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
180 	.private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
181 					    xmin, xmax, xsign_bit, xinvert) }
182 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
183 {	.iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
184 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
185 		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
186 	.tlv.p  = (tlv_array), \
187 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
188 	.put = snd_soc_put_volsw, \
189 	.private_value = (unsigned long)&(struct soc_mixer_control) \
190 	{.reg = xreg, .rreg = xreg,  \
191 	 .min = xmin, .max = xmax, .platform_max = xmax, \
192 	.sign_bit = 7,} }
193 #define SOC_DOUBLE_S8_TLV(xname, xreg, 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, .get = snd_soc_get_volsw,\
199 	.put = snd_soc_put_volsw, \
200 	.private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
201 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
202 {	.reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
203 	.items = xitems, .texts = xtexts, \
204 	.mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
205 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
206 	SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
207 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
208 {	.items = xitems, .texts = xtexts }
209 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
210 {	.reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
211 	.mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
212 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
213 	SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
214 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
215 {	.reg = xreg, .shift_l = xshift, .shift_r = xshift, \
216 	.mask = xmask, .items = xitems, .texts = xtexts, \
217 	.values = xvalues, .autodisable = 1}
218 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
219 	SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
220 #define SOC_ENUM(xname, xenum) \
221 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
222 	.info = snd_soc_info_enum_double, \
223 	.get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
224 	.private_value = (unsigned long)&xenum }
225 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
226 	 xhandler_get, xhandler_put) \
227 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
228 	.info = snd_soc_info_volsw, \
229 	.get = xhandler_get, .put = xhandler_put, \
230 	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
231 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
232 	 xhandler_get, xhandler_put) \
233 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
234 	.info = snd_soc_info_volsw, \
235 	.get = xhandler_get, .put = xhandler_put, \
236 	.private_value = \
237 		SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
238 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
239 	 xhandler_get, xhandler_put) \
240 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
241 	.info = snd_soc_info_volsw, \
242 	.get = xhandler_get, .put = xhandler_put, \
243 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
244 					    xmax, xinvert) }
245 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
246 	 xhandler_get, xhandler_put, tlv_array) \
247 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
248 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
249 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
250 	.tlv.p = (tlv_array), \
251 	.info = snd_soc_info_volsw, \
252 	.get = xhandler_get, .put = xhandler_put, \
253 	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
254 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \
255 				 xhandler_get, xhandler_put, tlv_array) \
256 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
257 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
258 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
259 	.tlv.p = (tlv_array), \
260 	.info = snd_soc_info_volsw_range, \
261 	.get = xhandler_get, .put = xhandler_put, \
262 	.private_value = (unsigned long)&(struct soc_mixer_control) \
263 		{.reg = xreg, .rreg = xreg, .shift = xshift, \
264 		 .rshift = xshift, .min = xmin, .max = xmax, \
265 		 .platform_max = xmax, .invert = xinvert} }
266 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
267 	 xhandler_get, xhandler_put, tlv_array) \
268 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
269 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
270 		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
271 	.tlv.p = (tlv_array), \
272 	.info = snd_soc_info_volsw, \
273 	.get = xhandler_get, .put = xhandler_put, \
274 	.private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
275 					  xmax, xinvert, 0) }
276 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
277 	 xhandler_get, xhandler_put, tlv_array) \
278 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
279 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
280 		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
281 	.tlv.p = (tlv_array), \
282 	.info = snd_soc_info_volsw, \
283 	.get = xhandler_get, .put = xhandler_put, \
284 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
285 					    xmax, xinvert) }
286 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
287 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
288 	.info = snd_soc_info_bool_ext, \
289 	.get = xhandler_get, .put = xhandler_put, \
290 	.private_value = xdata }
291 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
292 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
293 	.info = snd_soc_info_enum_double, \
294 	.get = xhandler_get, .put = xhandler_put, \
295 	.private_value = (unsigned long)&xenum }
296 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
297 	SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
298 
299 #define SND_SOC_BYTES(xname, xbase, xregs)		      \
300 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
301 	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
302 	.put = snd_soc_bytes_put, .private_value =	      \
303 		((unsigned long)&(struct soc_bytes)           \
304 		{.base = xbase, .num_regs = xregs }) }
305 
306 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask)	      \
307 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
308 	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
309 	.put = snd_soc_bytes_put, .private_value =	      \
310 		((unsigned long)&(struct soc_bytes)           \
311 		{.base = xbase, .num_regs = xregs,	      \
312 		 .mask = xmask }) }
313 
314 /*
315  * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
316  */
317 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
318 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
319 	.info = snd_soc_bytes_info_ext, \
320 	.get = xhandler_get, .put = xhandler_put, \
321 	.private_value = (unsigned long)&(struct soc_bytes_ext) \
322 		{.max = xcount} }
323 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
324 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
325 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
326 		  SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
327 	.tlv.c = (snd_soc_bytes_tlv_callback), \
328 	.info = snd_soc_bytes_info_ext, \
329 	.private_value = (unsigned long)&(struct soc_bytes_ext) \
330 		{.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
331 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
332 		xmin, xmax, xinvert) \
333 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
334 	.info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
335 	.put = snd_soc_put_xr_sx, \
336 	.private_value = (unsigned long)&(struct soc_mreg_control) \
337 		{.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
338 		.invert = xinvert, .min = xmin, .max = xmax} }
339 
340 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
341 	SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
342 		snd_soc_get_strobe, snd_soc_put_strobe)
343 
344 /*
345  * Simplified versions of above macros, declaring a struct and calculating
346  * ARRAY_SIZE internally
347  */
348 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
349 	const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
350 						ARRAY_SIZE(xtexts), xtexts)
351 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
352 	SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
353 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
354 	const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
355 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
356 	const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
357 							ARRAY_SIZE(xtexts), xtexts, xvalues)
358 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
359 	SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
360 
361 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
362 	const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
363 		xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
364 
365 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
366 	const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
367 
368 /*
369  * Component probe and remove ordering levels for components with runtime
370  * dependencies.
371  */
372 #define SND_SOC_COMP_ORDER_FIRST		-2
373 #define SND_SOC_COMP_ORDER_EARLY		-1
374 #define SND_SOC_COMP_ORDER_NORMAL		0
375 #define SND_SOC_COMP_ORDER_LATE		1
376 #define SND_SOC_COMP_ORDER_LAST		2
377 
378 /*
379  * Bias levels
380  *
381  * @ON:      Bias is fully on for audio playback and capture operations.
382  * @PREPARE: Prepare for audio operations. Called before DAPM switching for
383  *           stream start and stop operations.
384  * @STANDBY: Low power standby state when no playback/capture operations are
385  *           in progress. NOTE: The transition time between STANDBY and ON
386  *           should be as fast as possible and no longer than 10ms.
387  * @OFF:     Power Off. No restrictions on transition times.
388  */
389 enum snd_soc_bias_level {
390 	SND_SOC_BIAS_OFF = 0,
391 	SND_SOC_BIAS_STANDBY = 1,
392 	SND_SOC_BIAS_PREPARE = 2,
393 	SND_SOC_BIAS_ON = 3,
394 };
395 
396 struct device_node;
397 struct snd_jack;
398 struct snd_soc_card;
399 struct snd_soc_pcm_stream;
400 struct snd_soc_ops;
401 struct snd_soc_pcm_runtime;
402 struct snd_soc_dai;
403 struct snd_soc_dai_driver;
404 struct snd_soc_platform;
405 struct snd_soc_dai_link;
406 struct snd_soc_platform_driver;
407 struct snd_soc_codec;
408 struct snd_soc_codec_driver;
409 struct snd_soc_component;
410 struct snd_soc_component_driver;
411 struct soc_enum;
412 struct snd_soc_jack;
413 struct snd_soc_jack_zone;
414 struct snd_soc_jack_pin;
415 #include <sound/soc-dapm.h>
416 #include <sound/soc-dpcm.h>
417 #include <sound/soc-topology.h>
418 
419 struct snd_soc_jack_gpio;
420 
421 typedef int (*hw_write_t)(void *,const char* ,int);
422 
423 enum snd_soc_pcm_subclass {
424 	SND_SOC_PCM_CLASS_PCM	= 0,
425 	SND_SOC_PCM_CLASS_BE	= 1,
426 };
427 
428 enum snd_soc_card_subclass {
429 	SND_SOC_CARD_CLASS_INIT		= 0,
430 	SND_SOC_CARD_CLASS_RUNTIME	= 1,
431 };
432 
433 int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
434 			     int source, unsigned int freq, int dir);
435 int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
436 			  unsigned int freq_in, unsigned int freq_out);
437 int snd_soc_codec_set_jack(struct snd_soc_codec *codec,
438 			   struct snd_soc_jack *jack, void *data);
439 
440 int snd_soc_register_card(struct snd_soc_card *card);
441 int snd_soc_unregister_card(struct snd_soc_card *card);
442 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
443 #ifdef CONFIG_PM_SLEEP
444 int snd_soc_suspend(struct device *dev);
445 int snd_soc_resume(struct device *dev);
446 #else
447 static inline int snd_soc_suspend(struct device *dev)
448 {
449 	return 0;
450 }
451 
452 static inline int snd_soc_resume(struct device *dev)
453 {
454 	return 0;
455 }
456 #endif
457 int snd_soc_poweroff(struct device *dev);
458 int snd_soc_register_platform(struct device *dev,
459 		const struct snd_soc_platform_driver *platform_drv);
460 int devm_snd_soc_register_platform(struct device *dev,
461 		const struct snd_soc_platform_driver *platform_drv);
462 void snd_soc_unregister_platform(struct device *dev);
463 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
464 		const struct snd_soc_platform_driver *platform_drv);
465 void snd_soc_remove_platform(struct snd_soc_platform *platform);
466 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
467 int snd_soc_register_codec(struct device *dev,
468 		const struct snd_soc_codec_driver *codec_drv,
469 		struct snd_soc_dai_driver *dai_drv, int num_dai);
470 void snd_soc_unregister_codec(struct device *dev);
471 int snd_soc_add_component(struct device *dev,
472 		struct snd_soc_component *component,
473 		const struct snd_soc_component_driver *component_driver,
474 		struct snd_soc_dai_driver *dai_drv,
475 		int num_dai);
476 int snd_soc_register_component(struct device *dev,
477 			 const struct snd_soc_component_driver *component_driver,
478 			 struct snd_soc_dai_driver *dai_drv, int num_dai);
479 int devm_snd_soc_register_component(struct device *dev,
480 			 const struct snd_soc_component_driver *component_driver,
481 			 struct snd_soc_dai_driver *dai_drv, int num_dai);
482 void snd_soc_unregister_component(struct device *dev);
483 struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
484 						   const char *driver_name);
485 int snd_soc_cache_init(struct snd_soc_codec *codec);
486 int snd_soc_cache_exit(struct snd_soc_codec *codec);
487 
488 int snd_soc_platform_read(struct snd_soc_platform *platform,
489 					unsigned int reg);
490 int snd_soc_platform_write(struct snd_soc_platform *platform,
491 					unsigned int reg, unsigned int val);
492 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
493 #ifdef CONFIG_SND_SOC_COMPRESS
494 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
495 #endif
496 
497 void snd_soc_disconnect_sync(struct device *dev);
498 
499 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
500 		const char *dai_link, int stream);
501 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
502 		const char *dai_link);
503 
504 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
505 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
506 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
507 
508 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
509 	unsigned int dai_fmt);
510 
511 #ifdef CONFIG_DMI
512 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
513 #else
514 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
515 				       const char *flavour)
516 {
517 	return 0;
518 }
519 #endif
520 
521 /* Utility functions to get clock rates from various things */
522 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
523 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
524 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
525 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
526 
527 /* set runtime hw params */
528 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
529 	const struct snd_pcm_hardware *hw);
530 
531 int soc_dai_hw_params(struct snd_pcm_substream *substream,
532 		      struct snd_pcm_hw_params *params,
533 		      struct snd_soc_dai *dai);
534 
535 /* Jack reporting */
536 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
537 	struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
538 	unsigned int num_pins);
539 
540 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
541 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
542 			  struct snd_soc_jack_pin *pins);
543 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
544 				    struct notifier_block *nb);
545 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
546 				      struct notifier_block *nb);
547 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
548 			  struct snd_soc_jack_zone *zones);
549 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
550 #ifdef CONFIG_GPIOLIB
551 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
552 			struct snd_soc_jack_gpio *gpios);
553 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
554 			    struct snd_soc_jack *jack,
555 			    int count, struct snd_soc_jack_gpio *gpios);
556 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
557 			struct snd_soc_jack_gpio *gpios);
558 #else
559 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
560 					 struct snd_soc_jack_gpio *gpios)
561 {
562 	return 0;
563 }
564 
565 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
566 					  struct snd_soc_jack *jack,
567 					  int count,
568 					  struct snd_soc_jack_gpio *gpios)
569 {
570 	return 0;
571 }
572 
573 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
574 					   struct snd_soc_jack_gpio *gpios)
575 {
576 }
577 #endif
578 
579 /* codec register bit access */
580 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
581 				unsigned int mask, unsigned int value);
582 int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
583 			       unsigned int reg, unsigned int mask,
584 			       unsigned int value);
585 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
586 				unsigned int mask, unsigned int value);
587 
588 #ifdef CONFIG_SND_SOC_AC97_BUS
589 #define snd_soc_alloc_ac97_codec(codec) \
590 	snd_soc_alloc_ac97_component(&codec->component)
591 #define snd_soc_new_ac97_codec(codec, id, id_mask) \
592 	snd_soc_new_ac97_component(&codec->component, id, id_mask)
593 #define snd_soc_free_ac97_codec(ac97) \
594 	snd_soc_free_ac97_component(ac97)
595 
596 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
597 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
598 	unsigned int id, unsigned int id_mask);
599 void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
600 
601 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
602 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
603 		struct platform_device *pdev);
604 
605 extern struct snd_ac97_bus_ops *soc_ac97_ops;
606 #else
607 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
608 	struct platform_device *pdev)
609 {
610 	return 0;
611 }
612 
613 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
614 {
615 	return 0;
616 }
617 #endif
618 
619 /*
620  *Controls
621  */
622 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
623 				  void *data, const char *long_name,
624 				  const char *prefix);
625 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
626 					       const char *name);
627 int snd_soc_add_component_controls(struct snd_soc_component *component,
628 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
629 int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
630 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
631 int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
632 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
633 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
634 	const struct snd_kcontrol_new *controls, int num_controls);
635 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
636 	const struct snd_kcontrol_new *controls, int num_controls);
637 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
638 	struct snd_ctl_elem_info *uinfo);
639 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
640 	struct snd_ctl_elem_value *ucontrol);
641 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
642 	struct snd_ctl_elem_value *ucontrol);
643 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
644 	struct snd_ctl_elem_info *uinfo);
645 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
646 			  struct snd_ctl_elem_info *uinfo);
647 #define snd_soc_info_bool_ext		snd_ctl_boolean_mono_info
648 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
649 	struct snd_ctl_elem_value *ucontrol);
650 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
651 	struct snd_ctl_elem_value *ucontrol);
652 #define snd_soc_get_volsw_2r snd_soc_get_volsw
653 #define snd_soc_put_volsw_2r snd_soc_put_volsw
654 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
655 	struct snd_ctl_elem_value *ucontrol);
656 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
657 	struct snd_ctl_elem_value *ucontrol);
658 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
659 	struct snd_ctl_elem_info *uinfo);
660 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
661 	struct snd_ctl_elem_value *ucontrol);
662 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
663 	struct snd_ctl_elem_value *ucontrol);
664 int snd_soc_limit_volume(struct snd_soc_card *card,
665 	const char *name, int max);
666 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
667 		       struct snd_ctl_elem_info *uinfo);
668 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
669 		      struct snd_ctl_elem_value *ucontrol);
670 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
671 		      struct snd_ctl_elem_value *ucontrol);
672 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
673 	struct snd_ctl_elem_info *ucontrol);
674 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
675 	unsigned int size, unsigned int __user *tlv);
676 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
677 	struct snd_ctl_elem_info *uinfo);
678 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
679 	struct snd_ctl_elem_value *ucontrol);
680 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
681 	struct snd_ctl_elem_value *ucontrol);
682 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
683 	struct snd_ctl_elem_value *ucontrol);
684 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
685 	struct snd_ctl_elem_value *ucontrol);
686 
687 /**
688  * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
689  *
690  * @pin:    name of the pin to update
691  * @mask:   bits to check for in reported jack status
692  * @invert: if non-zero then pin is enabled when status is not reported
693  * @list:   internal list entry
694  */
695 struct snd_soc_jack_pin {
696 	struct list_head list;
697 	const char *pin;
698 	int mask;
699 	bool invert;
700 };
701 
702 /**
703  * struct snd_soc_jack_zone - Describes voltage zones of jack detection
704  *
705  * @min_mv: start voltage in mv
706  * @max_mv: end voltage in mv
707  * @jack_type: type of jack that is expected for this voltage
708  * @debounce_time: debounce_time for jack, codec driver should wait for this
709  *		duration before reading the adc for voltages
710  * @list:   internal list entry
711  */
712 struct snd_soc_jack_zone {
713 	unsigned int min_mv;
714 	unsigned int max_mv;
715 	unsigned int jack_type;
716 	unsigned int debounce_time;
717 	struct list_head list;
718 };
719 
720 /**
721  * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
722  *
723  * @gpio:         legacy gpio number
724  * @idx:          gpio descriptor index within the function of the GPIO
725  *                consumer device
726  * @gpiod_dev:    GPIO consumer device
727  * @name:         gpio name. Also as connection ID for the GPIO consumer
728  *                device function name lookup
729  * @report:       value to report when jack detected
730  * @invert:       report presence in low state
731  * @debounce_time: debounce time in ms
732  * @wake:	  enable as wake source
733  * @jack_status_check: callback function which overrides the detection
734  *		       to provide more complex checks (eg, reading an
735  *		       ADC).
736  */
737 struct snd_soc_jack_gpio {
738 	unsigned int gpio;
739 	unsigned int idx;
740 	struct device *gpiod_dev;
741 	const char *name;
742 	int report;
743 	int invert;
744 	int debounce_time;
745 	bool wake;
746 
747 	/* private: */
748 	struct snd_soc_jack *jack;
749 	struct delayed_work work;
750 	struct notifier_block pm_notifier;
751 	struct gpio_desc *desc;
752 
753 	void *data;
754 	/* public: */
755 	int (*jack_status_check)(void *data);
756 };
757 
758 struct snd_soc_jack {
759 	struct mutex mutex;
760 	struct snd_jack *jack;
761 	struct snd_soc_card *card;
762 	struct list_head pins;
763 	int status;
764 	struct blocking_notifier_head notifier;
765 	struct list_head jack_zones;
766 };
767 
768 /* SoC PCM stream information */
769 struct snd_soc_pcm_stream {
770 	const char *stream_name;
771 	u64 formats;			/* SNDRV_PCM_FMTBIT_* */
772 	unsigned int rates;		/* SNDRV_PCM_RATE_* */
773 	unsigned int rate_min;		/* min rate */
774 	unsigned int rate_max;		/* max rate */
775 	unsigned int channels_min;	/* min channels */
776 	unsigned int channels_max;	/* max channels */
777 	unsigned int sig_bits;		/* number of bits of content */
778 };
779 
780 /* SoC audio ops */
781 struct snd_soc_ops {
782 	int (*startup)(struct snd_pcm_substream *);
783 	void (*shutdown)(struct snd_pcm_substream *);
784 	int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
785 	int (*hw_free)(struct snd_pcm_substream *);
786 	int (*prepare)(struct snd_pcm_substream *);
787 	int (*trigger)(struct snd_pcm_substream *, int);
788 };
789 
790 struct snd_soc_compr_ops {
791 	int (*startup)(struct snd_compr_stream *);
792 	void (*shutdown)(struct snd_compr_stream *);
793 	int (*set_params)(struct snd_compr_stream *);
794 	int (*trigger)(struct snd_compr_stream *);
795 };
796 
797 /* component interface */
798 struct snd_soc_component_driver {
799 	const char *name;
800 
801 	/* Default control and setup, added after probe() is run */
802 	const struct snd_kcontrol_new *controls;
803 	unsigned int num_controls;
804 	const struct snd_soc_dapm_widget *dapm_widgets;
805 	unsigned int num_dapm_widgets;
806 	const struct snd_soc_dapm_route *dapm_routes;
807 	unsigned int num_dapm_routes;
808 
809 	int (*probe)(struct snd_soc_component *);
810 	void (*remove)(struct snd_soc_component *);
811 	int (*suspend)(struct snd_soc_component *);
812 	int (*resume)(struct snd_soc_component *);
813 
814 	unsigned int (*read)(struct snd_soc_component *, unsigned int);
815 	int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
816 
817 	/* pcm creation and destruction */
818 	int (*pcm_new)(struct snd_soc_pcm_runtime *);
819 	void (*pcm_free)(struct snd_pcm *);
820 
821 	/* component wide operations */
822 	int (*set_sysclk)(struct snd_soc_component *component,
823 			  int clk_id, int source, unsigned int freq, int dir);
824 	int (*set_pll)(struct snd_soc_component *component, int pll_id,
825 		       int source, unsigned int freq_in, unsigned int freq_out);
826 	int (*set_jack)(struct snd_soc_component *component,
827 			struct snd_soc_jack *jack,  void *data);
828 
829 	/* DT */
830 	int (*of_xlate_dai_name)(struct snd_soc_component *component,
831 				 struct of_phandle_args *args,
832 				 const char **dai_name);
833 	int (*of_xlate_dai_id)(struct snd_soc_component *comment,
834 			       struct device_node *endpoint);
835 	void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
836 		int subseq);
837 	int (*stream_event)(struct snd_soc_component *, int event);
838 	int (*set_bias_level)(struct snd_soc_component *component,
839 			      enum snd_soc_bias_level level);
840 
841 	const struct snd_pcm_ops *ops;
842 	const struct snd_compr_ops *compr_ops;
843 
844 	/* probe ordering - for components with runtime dependencies */
845 	int probe_order;
846 	int remove_order;
847 
848 	/* bits */
849 	unsigned int idle_bias_on:1;
850 	unsigned int suspend_bias_off:1;
851 	unsigned int use_pmdown_time:1; /* care pmdown_time at stop */
852 	unsigned int endianness:1;
853 	unsigned int non_legacy_dai_naming:1;
854 };
855 
856 struct snd_soc_component {
857 	const char *name;
858 	int id;
859 	const char *name_prefix;
860 	struct device *dev;
861 	struct snd_soc_card *card;
862 
863 	unsigned int active;
864 
865 	unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
866 	unsigned int registered_as_component:1;
867 	unsigned int suspended:1; /* is in suspend PM state */
868 
869 	struct list_head list;
870 	struct list_head card_aux_list; /* for auxiliary bound components */
871 	struct list_head card_list;
872 
873 	const struct snd_soc_component_driver *driver;
874 
875 	struct list_head dai_list;
876 	int num_dai;
877 
878 	int (*read)(struct snd_soc_component *, unsigned int, unsigned int *);
879 	int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
880 
881 	struct regmap *regmap;
882 	int val_bytes;
883 
884 	struct mutex io_mutex;
885 
886 	/* attached dynamic objects */
887 	struct list_head dobj_list;
888 
889 #ifdef CONFIG_DEBUG_FS
890 	struct dentry *debugfs_root;
891 #endif
892 
893 	/*
894 	* DO NOT use any of the fields below in drivers, they are temporary and
895 	* are going to be removed again soon. If you use them in driver code the
896 	* driver will be marked as BROKEN when these fields are removed.
897 	*/
898 
899 	/* Don't use these, use snd_soc_component_get_dapm() */
900 	struct snd_soc_dapm_context dapm;
901 
902 	struct snd_soc_codec *codec;
903 
904 	int (*probe)(struct snd_soc_component *);
905 	void (*remove)(struct snd_soc_component *);
906 	int (*suspend)(struct snd_soc_component *);
907 	int (*resume)(struct snd_soc_component *);
908 	int (*pcm_new)(struct snd_soc_component *, struct snd_soc_pcm_runtime *);
909 	void (*pcm_free)(struct snd_soc_component *, struct snd_pcm *);
910 
911 	int (*set_sysclk)(struct snd_soc_component *component,
912 			  int clk_id, int source, unsigned int freq, int dir);
913 	int (*set_pll)(struct snd_soc_component *component, int pll_id,
914 		       int source, unsigned int freq_in, unsigned int freq_out);
915 	int (*set_jack)(struct snd_soc_component *component,
916 			struct snd_soc_jack *jack,  void *data);
917 	int (*set_bias_level)(struct snd_soc_component *component,
918 			      enum snd_soc_bias_level level);
919 
920 	/* machine specific init */
921 	int (*init)(struct snd_soc_component *component);
922 
923 #ifdef CONFIG_DEBUG_FS
924 	void (*init_debugfs)(struct snd_soc_component *component);
925 	const char *debugfs_prefix;
926 #endif
927 };
928 
929 struct snd_soc_rtdcom_list {
930 	struct snd_soc_component *component;
931 	struct list_head list; /* rtd::component_list */
932 };
933 struct snd_soc_component*
934 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
935 		       const char *driver_name);
936 #define for_each_rtdcom(rtd, rtdcom) \
937 	list_for_each_entry(rtdcom, &(rtd)->component_list, list)
938 #define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \
939 	list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list)
940 
941 /* SoC Audio Codec device */
942 struct snd_soc_codec {
943 	struct device *dev;
944 	const struct snd_soc_codec_driver *driver;
945 
946 	struct list_head list;
947 
948 	/* runtime */
949 	unsigned int cache_init:1; /* codec cache has been initialized */
950 
951 	/* codec IO */
952 	void *control_data; /* codec control (i2c/3wire) data */
953 	hw_write_t hw_write;
954 	void *reg_cache;
955 
956 	/* component */
957 	struct snd_soc_component component;
958 };
959 
960 /* codec driver */
961 struct snd_soc_codec_driver {
962 
963 	/* driver ops */
964 	int (*probe)(struct snd_soc_codec *);
965 	int (*remove)(struct snd_soc_codec *);
966 	int (*suspend)(struct snd_soc_codec *);
967 	int (*resume)(struct snd_soc_codec *);
968 	struct snd_soc_component_driver component_driver;
969 
970 	/* codec wide operations */
971 	int (*set_sysclk)(struct snd_soc_codec *codec,
972 			  int clk_id, int source, unsigned int freq, int dir);
973 	int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
974 		unsigned int freq_in, unsigned int freq_out);
975 	int (*set_jack)(struct snd_soc_codec *codec,
976 			struct snd_soc_jack *jack,  void *data);
977 
978 	/* codec IO */
979 	struct regmap *(*get_regmap)(struct device *);
980 	unsigned int (*read)(struct snd_soc_codec *, unsigned int);
981 	int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
982 	unsigned int reg_cache_size;
983 	short reg_cache_step;
984 	short reg_word_size;
985 	const void *reg_cache_default;
986 
987 	/* codec bias level */
988 	int (*set_bias_level)(struct snd_soc_codec *,
989 			      enum snd_soc_bias_level level);
990 	bool idle_bias_off;
991 	bool suspend_bias_off;
992 
993 	void (*seq_notifier)(struct snd_soc_dapm_context *,
994 			     enum snd_soc_dapm_type, int);
995 
996 	bool ignore_pmdown_time;  /* Doesn't benefit from pmdown delay */
997 };
998 
999 /* SoC platform interface */
1000 struct snd_soc_platform_driver {
1001 
1002 	int (*probe)(struct snd_soc_platform *);
1003 	int (*remove)(struct snd_soc_platform *);
1004 	struct snd_soc_component_driver component_driver;
1005 
1006 	/* pcm creation and destruction */
1007 	int (*pcm_new)(struct snd_soc_pcm_runtime *);
1008 	void (*pcm_free)(struct snd_pcm *);
1009 
1010 	/* platform stream pcm ops */
1011 	const struct snd_pcm_ops *ops;
1012 
1013 	/* platform stream compress ops */
1014 	const struct snd_compr_ops *compr_ops;
1015 };
1016 
1017 struct snd_soc_dai_link_component {
1018 	const char *name;
1019 	struct device_node *of_node;
1020 	const char *dai_name;
1021 };
1022 
1023 struct snd_soc_platform {
1024 	struct device *dev;
1025 	const struct snd_soc_platform_driver *driver;
1026 
1027 	struct list_head list;
1028 
1029 	struct snd_soc_component component;
1030 };
1031 
1032 struct snd_soc_dai_link {
1033 	/* config - must be set by machine driver */
1034 	const char *name;			/* Codec name */
1035 	const char *stream_name;		/* Stream name */
1036 	/*
1037 	 * You MAY specify the link's CPU-side device, either by device name,
1038 	 * or by DT/OF node, but not both. If this information is omitted,
1039 	 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
1040 	 * must be globally unique. These fields are currently typically used
1041 	 * only for codec to codec links, or systems using device tree.
1042 	 */
1043 	const char *cpu_name;
1044 	struct device_node *cpu_of_node;
1045 	/*
1046 	 * You MAY specify the DAI name of the CPU DAI. If this information is
1047 	 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
1048 	 * only, which only works well when that device exposes a single DAI.
1049 	 */
1050 	const char *cpu_dai_name;
1051 	/*
1052 	 * You MUST specify the link's codec, either by device name, or by
1053 	 * DT/OF node, but not both.
1054 	 */
1055 	const char *codec_name;
1056 	struct device_node *codec_of_node;
1057 	/* You MUST specify the DAI name within the codec */
1058 	const char *codec_dai_name;
1059 
1060 	struct snd_soc_dai_link_component *codecs;
1061 	unsigned int num_codecs;
1062 
1063 	/*
1064 	 * You MAY specify the link's platform/PCM/DMA driver, either by
1065 	 * device name, or by DT/OF node, but not both. Some forms of link
1066 	 * do not need a platform.
1067 	 */
1068 	const char *platform_name;
1069 	struct device_node *platform_of_node;
1070 	int id;	/* optional ID for machine driver link identification */
1071 
1072 	const struct snd_soc_pcm_stream *params;
1073 	unsigned int num_params;
1074 
1075 	unsigned int dai_fmt;           /* format to set on init */
1076 
1077 	enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
1078 
1079 	/* codec/machine specific init - e.g. add machine controls */
1080 	int (*init)(struct snd_soc_pcm_runtime *rtd);
1081 
1082 	/* optional hw_params re-writing for BE and FE sync */
1083 	int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
1084 			struct snd_pcm_hw_params *params);
1085 
1086 	/* machine stream operations */
1087 	const struct snd_soc_ops *ops;
1088 	const struct snd_soc_compr_ops *compr_ops;
1089 
1090 	/* Mark this pcm with non atomic ops */
1091 	bool nonatomic;
1092 
1093 	/* For unidirectional dai links */
1094 	unsigned int playback_only:1;
1095 	unsigned int capture_only:1;
1096 
1097 	/* Keep DAI active over suspend */
1098 	unsigned int ignore_suspend:1;
1099 
1100 	/* Symmetry requirements */
1101 	unsigned int symmetric_rates:1;
1102 	unsigned int symmetric_channels:1;
1103 	unsigned int symmetric_samplebits:1;
1104 
1105 	/* Do not create a PCM for this DAI link (Backend link) */
1106 	unsigned int no_pcm:1;
1107 
1108 	/* This DAI link can route to other DAI links at runtime (Frontend)*/
1109 	unsigned int dynamic:1;
1110 
1111 	/* DPCM capture and Playback support */
1112 	unsigned int dpcm_capture:1;
1113 	unsigned int dpcm_playback:1;
1114 
1115 	/* DPCM used FE & BE merged format */
1116 	unsigned int dpcm_merged_format:1;
1117 
1118 	/* pmdown_time is ignored at stop */
1119 	unsigned int ignore_pmdown_time:1;
1120 
1121 	struct list_head list; /* DAI link list of the soc card */
1122 	struct snd_soc_dobj dobj; /* For topology */
1123 };
1124 
1125 struct snd_soc_codec_conf {
1126 	/*
1127 	 * specify device either by device name, or by
1128 	 * DT/OF node, but not both.
1129 	 */
1130 	const char *dev_name;
1131 	struct device_node *of_node;
1132 
1133 	/*
1134 	 * optional map of kcontrol, widget and path name prefixes that are
1135 	 * associated per device
1136 	 */
1137 	const char *name_prefix;
1138 };
1139 
1140 struct snd_soc_aux_dev {
1141 	const char *name;		/* Codec name */
1142 
1143 	/*
1144 	 * specify multi-codec either by device name, or by
1145 	 * DT/OF node, but not both.
1146 	 */
1147 	const char *codec_name;
1148 	struct device_node *codec_of_node;
1149 
1150 	/* codec/machine specific init - e.g. add machine controls */
1151 	int (*init)(struct snd_soc_component *component);
1152 };
1153 
1154 /* SoC card */
1155 struct snd_soc_card {
1156 	const char *name;
1157 	const char *long_name;
1158 	const char *driver_name;
1159 	char dmi_longname[80];
1160 
1161 	struct device *dev;
1162 	struct snd_card *snd_card;
1163 	struct module *owner;
1164 
1165 	struct mutex mutex;
1166 	struct mutex dapm_mutex;
1167 
1168 	bool instantiated;
1169 
1170 	int (*probe)(struct snd_soc_card *card);
1171 	int (*late_probe)(struct snd_soc_card *card);
1172 	int (*remove)(struct snd_soc_card *card);
1173 
1174 	/* the pre and post PM functions are used to do any PM work before and
1175 	 * after the codec and DAI's do any PM work. */
1176 	int (*suspend_pre)(struct snd_soc_card *card);
1177 	int (*suspend_post)(struct snd_soc_card *card);
1178 	int (*resume_pre)(struct snd_soc_card *card);
1179 	int (*resume_post)(struct snd_soc_card *card);
1180 
1181 	/* callbacks */
1182 	int (*set_bias_level)(struct snd_soc_card *,
1183 			      struct snd_soc_dapm_context *dapm,
1184 			      enum snd_soc_bias_level level);
1185 	int (*set_bias_level_post)(struct snd_soc_card *,
1186 				   struct snd_soc_dapm_context *dapm,
1187 				   enum snd_soc_bias_level level);
1188 
1189 	int (*add_dai_link)(struct snd_soc_card *,
1190 			    struct snd_soc_dai_link *link);
1191 	void (*remove_dai_link)(struct snd_soc_card *,
1192 			    struct snd_soc_dai_link *link);
1193 
1194 	long pmdown_time;
1195 
1196 	/* CPU <--> Codec DAI links  */
1197 	struct snd_soc_dai_link *dai_link;  /* predefined links only */
1198 	int num_links;  /* predefined links only */
1199 	struct list_head dai_link_list; /* all links */
1200 	int num_dai_links;
1201 
1202 	struct list_head rtd_list;
1203 	int num_rtd;
1204 
1205 	/* optional codec specific configuration */
1206 	struct snd_soc_codec_conf *codec_conf;
1207 	int num_configs;
1208 
1209 	/*
1210 	 * optional auxiliary devices such as amplifiers or codecs with DAI
1211 	 * link unused
1212 	 */
1213 	struct snd_soc_aux_dev *aux_dev;
1214 	int num_aux_devs;
1215 	struct list_head aux_comp_list;
1216 
1217 	const struct snd_kcontrol_new *controls;
1218 	int num_controls;
1219 
1220 	/*
1221 	 * Card-specific routes and widgets.
1222 	 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1223 	 */
1224 	const struct snd_soc_dapm_widget *dapm_widgets;
1225 	int num_dapm_widgets;
1226 	const struct snd_soc_dapm_route *dapm_routes;
1227 	int num_dapm_routes;
1228 	const struct snd_soc_dapm_widget *of_dapm_widgets;
1229 	int num_of_dapm_widgets;
1230 	const struct snd_soc_dapm_route *of_dapm_routes;
1231 	int num_of_dapm_routes;
1232 	bool fully_routed;
1233 
1234 	struct work_struct deferred_resume_work;
1235 
1236 	/* lists of probed devices belonging to this card */
1237 	struct list_head component_dev_list;
1238 
1239 	struct list_head widgets;
1240 	struct list_head paths;
1241 	struct list_head dapm_list;
1242 	struct list_head dapm_dirty;
1243 
1244 	/* attached dynamic objects */
1245 	struct list_head dobj_list;
1246 
1247 	/* Generic DAPM context for the card */
1248 	struct snd_soc_dapm_context dapm;
1249 	struct snd_soc_dapm_stats dapm_stats;
1250 	struct snd_soc_dapm_update *update;
1251 
1252 #ifdef CONFIG_DEBUG_FS
1253 	struct dentry *debugfs_card_root;
1254 	struct dentry *debugfs_pop_time;
1255 #endif
1256 	u32 pop_time;
1257 
1258 	void *drvdata;
1259 };
1260 
1261 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1262 struct snd_soc_pcm_runtime {
1263 	struct device *dev;
1264 	struct snd_soc_card *card;
1265 	struct snd_soc_dai_link *dai_link;
1266 	struct mutex pcm_mutex;
1267 	enum snd_soc_pcm_subclass pcm_subclass;
1268 	struct snd_pcm_ops ops;
1269 
1270 	/* Dynamic PCM BE runtime data */
1271 	struct snd_soc_dpcm_runtime dpcm[2];
1272 	int fe_compr;
1273 
1274 	long pmdown_time;
1275 
1276 	/* runtime devices */
1277 	struct snd_pcm *pcm;
1278 	struct snd_compr *compr;
1279 	struct snd_soc_codec *codec;
1280 	struct snd_soc_platform *platform; /* will be removed */
1281 	struct snd_soc_dai *codec_dai;
1282 	struct snd_soc_dai *cpu_dai;
1283 
1284 	struct snd_soc_dai **codec_dais;
1285 	unsigned int num_codecs;
1286 
1287 	struct delayed_work delayed_work;
1288 #ifdef CONFIG_DEBUG_FS
1289 	struct dentry *debugfs_dpcm_root;
1290 #endif
1291 
1292 	unsigned int num; /* 0-based and monotonic increasing */
1293 	struct list_head list; /* rtd list of the soc card */
1294 	struct list_head component_list; /* list of connected components */
1295 
1296 	/* bit field */
1297 	unsigned int dev_registered:1;
1298 	unsigned int pop_wait:1;
1299 };
1300 
1301 /* mixer control */
1302 struct soc_mixer_control {
1303 	int min, max, platform_max;
1304 	int reg, rreg;
1305 	unsigned int shift, rshift;
1306 	unsigned int sign_bit;
1307 	unsigned int invert:1;
1308 	unsigned int autodisable:1;
1309 	struct snd_soc_dobj dobj;
1310 };
1311 
1312 struct soc_bytes {
1313 	int base;
1314 	int num_regs;
1315 	u32 mask;
1316 };
1317 
1318 struct soc_bytes_ext {
1319 	int max;
1320 	struct snd_soc_dobj dobj;
1321 
1322 	/* used for TLV byte control */
1323 	int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1324 			unsigned int size);
1325 	int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1326 			unsigned int size);
1327 };
1328 
1329 /* multi register control */
1330 struct soc_mreg_control {
1331 	long min, max;
1332 	unsigned int regbase, regcount, nbits, invert;
1333 };
1334 
1335 /* enumerated kcontrol */
1336 struct soc_enum {
1337 	int reg;
1338 	unsigned char shift_l;
1339 	unsigned char shift_r;
1340 	unsigned int items;
1341 	unsigned int mask;
1342 	const char * const *texts;
1343 	const unsigned int *values;
1344 	unsigned int autodisable:1;
1345 	struct snd_soc_dobj dobj;
1346 };
1347 
1348 /**
1349  * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in
1350  * @component: The component to cast to a CODEC
1351  *
1352  * This function must only be used on components that are known to be CODECs.
1353  * Otherwise the behavior is undefined.
1354  */
1355 static inline struct snd_soc_codec *snd_soc_component_to_codec(
1356 	struct snd_soc_component *component)
1357 {
1358 	return container_of(component, struct snd_soc_codec, component);
1359 }
1360 
1361 /**
1362  * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
1363  * @component: The component to cast to a platform
1364  *
1365  * This function must only be used on components that are known to be platforms.
1366  * Otherwise the behavior is undefined.
1367  */
1368 static inline struct snd_soc_platform *snd_soc_component_to_platform(
1369 	struct snd_soc_component *component)
1370 {
1371 	return container_of(component, struct snd_soc_platform, component);
1372 }
1373 
1374 /**
1375  * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1376  *  embedded in
1377  * @dapm: The DAPM context to cast to the component
1378  *
1379  * This function must only be used on DAPM contexts that are known to be part of
1380  * a component (e.g. in a component driver). Otherwise the behavior is
1381  * undefined.
1382  */
1383 static inline struct snd_soc_component *snd_soc_dapm_to_component(
1384 	struct snd_soc_dapm_context *dapm)
1385 {
1386 	return container_of(dapm, struct snd_soc_component, dapm);
1387 }
1388 
1389 /**
1390  * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
1391  * @dapm: The DAPM context to cast to the CODEC
1392  *
1393  * This function must only be used on DAPM contexts that are known to be part of
1394  * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1395  */
1396 static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
1397 	struct snd_soc_dapm_context *dapm)
1398 {
1399 	return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm));
1400 }
1401 
1402 /**
1403  * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
1404  *  embedded in
1405  * @dapm: The DAPM context to cast to the platform.
1406  *
1407  * This function must only be used on DAPM contexts that are known to be part of
1408  * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
1409  */
1410 static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
1411 	struct snd_soc_dapm_context *dapm)
1412 {
1413 	return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
1414 }
1415 
1416 /**
1417  * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1418  *  component
1419  * @component: The component for which to get the DAPM context
1420  */
1421 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1422 	struct snd_soc_component *component)
1423 {
1424 	return &component->dapm;
1425 }
1426 
1427 /**
1428  * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC
1429  * @codec: The CODEC for which to get the DAPM context
1430  *
1431  * Note: Use this function instead of directly accessing the CODEC's dapm field
1432  */
1433 static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm(
1434 	struct snd_soc_codec *codec)
1435 {
1436 	return snd_soc_component_get_dapm(&codec->component);
1437 }
1438 
1439 /**
1440  * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level
1441  * @codec: The CODEC for which to initialize the DAPM bias level
1442  * @level: The DAPM level to initialize to
1443  *
1444  * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level().
1445  */
1446 static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec,
1447 	enum snd_soc_bias_level level)
1448 {
1449 	snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level);
1450 }
1451 
1452 /**
1453  * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
1454  * @component: The COMPONENT for which to initialize the DAPM bias level
1455  * @level: The DAPM level to initialize to
1456  *
1457  * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level().
1458  */
1459 static inline void
1460 snd_soc_component_init_bias_level(struct snd_soc_component *component,
1461 				  enum snd_soc_bias_level level)
1462 {
1463 	snd_soc_dapm_init_bias_level(
1464 		snd_soc_component_get_dapm(component), level);
1465 }
1466 
1467 /**
1468  * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level
1469  * @codec: The CODEC for which to get the DAPM bias level
1470  *
1471  * Returns: The current DAPM bias level of the CODEC.
1472  */
1473 static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level(
1474 	struct snd_soc_codec *codec)
1475 {
1476 	return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec));
1477 }
1478 
1479 /**
1480  * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
1481  * @component: The COMPONENT for which to get the DAPM bias level
1482  *
1483  * Returns: The current DAPM bias level of the COMPONENT.
1484  */
1485 static inline enum snd_soc_bias_level
1486 snd_soc_component_get_bias_level(struct snd_soc_component *component)
1487 {
1488 	return snd_soc_dapm_get_bias_level(
1489 		snd_soc_component_get_dapm(component));
1490 }
1491 
1492 /**
1493  * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level
1494  * @codec: The CODEC for which to set the level
1495  * @level: The level to set to
1496  *
1497  * Forces the CODEC bias level to a specific state. See
1498  * snd_soc_dapm_force_bias_level().
1499  */
1500 static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec,
1501 	enum snd_soc_bias_level level)
1502 {
1503 	return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec),
1504 		level);
1505 }
1506 
1507 /**
1508  * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
1509  * @component: The COMPONENT for which to set the level
1510  * @level: The level to set to
1511  *
1512  * Forces the COMPONENT bias level to a specific state. See
1513  * snd_soc_dapm_force_bias_level().
1514  */
1515 static inline int
1516 snd_soc_component_force_bias_level(struct snd_soc_component *component,
1517 				   enum snd_soc_bias_level level)
1518 {
1519 	return snd_soc_dapm_force_bias_level(
1520 		snd_soc_component_get_dapm(component),
1521 		level);
1522 }
1523 
1524 /**
1525  * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
1526  * @kcontrol: The kcontrol
1527  *
1528  * This function must only be used on DAPM contexts that are known to be part of
1529  * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1530  */
1531 static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(
1532 	struct snd_kcontrol *kcontrol)
1533 {
1534 	return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol));
1535 }
1536 
1537 /**
1538  * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol
1539  * @kcontrol: The kcontrol
1540  *
1541  * This function must only be used on DAPM contexts that are known to be part of
1542  * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined.
1543  */
1544 static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component(
1545 	struct snd_kcontrol *kcontrol)
1546 {
1547 	return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol));
1548 }
1549 
1550 /* codec IO */
1551 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1552 int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
1553 	unsigned int val);
1554 
1555 /**
1556  * snd_soc_cache_sync() - Sync the register cache with the hardware
1557  * @codec: CODEC to sync
1558  *
1559  * Note: This function will call regcache_sync()
1560  */
1561 static inline int snd_soc_cache_sync(struct snd_soc_codec *codec)
1562 {
1563 	return regcache_sync(codec->component.regmap);
1564 }
1565 
1566 /**
1567  * snd_soc_component_cache_sync() - Sync the register cache with the hardware
1568  * @component: COMPONENT to sync
1569  *
1570  * Note: This function will call regcache_sync()
1571  */
1572 static inline int snd_soc_component_cache_sync(
1573 	struct snd_soc_component *component)
1574 {
1575 	return regcache_sync(component->regmap);
1576 }
1577 
1578 /* component IO */
1579 int snd_soc_component_read(struct snd_soc_component *component,
1580 	unsigned int reg, unsigned int *val);
1581 unsigned int snd_soc_component_read32(struct snd_soc_component *component,
1582 				      unsigned int reg);
1583 int snd_soc_component_write(struct snd_soc_component *component,
1584 	unsigned int reg, unsigned int val);
1585 int snd_soc_component_update_bits(struct snd_soc_component *component,
1586 	unsigned int reg, unsigned int mask, unsigned int val);
1587 int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1588 	unsigned int reg, unsigned int mask, unsigned int val);
1589 void snd_soc_component_async_complete(struct snd_soc_component *component);
1590 int snd_soc_component_test_bits(struct snd_soc_component *component,
1591 	unsigned int reg, unsigned int mask, unsigned int value);
1592 
1593 /* component wide operations */
1594 int snd_soc_component_set_sysclk(struct snd_soc_component *component,
1595 			int clk_id, int source, unsigned int freq, int dir);
1596 int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
1597 			      int source, unsigned int freq_in,
1598 			      unsigned int freq_out);
1599 int snd_soc_component_set_jack(struct snd_soc_component *component,
1600 			       struct snd_soc_jack *jack, void *data);
1601 
1602 #ifdef CONFIG_REGMAP
1603 
1604 void snd_soc_component_init_regmap(struct snd_soc_component *component,
1605 	struct regmap *regmap);
1606 void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1607 
1608 /**
1609  * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC
1610  * @codec: The CODEC for which to initialize the regmap instance
1611  * @regmap: The regmap instance that should be used by the CODEC
1612  *
1613  * This function allows deferred assignment of the regmap instance that is
1614  * associated with the CODEC. Only use this if the regmap instance is not yet
1615  * ready when the CODEC is registered. The function must also be called before
1616  * the first IO attempt of the CODEC.
1617  */
1618 static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec,
1619 	struct regmap *regmap)
1620 {
1621 	snd_soc_component_init_regmap(&codec->component, regmap);
1622 }
1623 
1624 /**
1625  * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC
1626  * @codec: The CODEC for which to de-initialize the regmap instance
1627  *
1628  * Calls regmap_exit() on the regmap instance associated to the CODEC and
1629  * removes the regmap instance from the CODEC.
1630  *
1631  * This function should only be used if snd_soc_codec_init_regmap() was used to
1632  * initialize the regmap instance.
1633  */
1634 static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec)
1635 {
1636 	snd_soc_component_exit_regmap(&codec->component);
1637 }
1638 
1639 #endif
1640 
1641 /* device driver data */
1642 
1643 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1644 		void *data)
1645 {
1646 	card->drvdata = data;
1647 }
1648 
1649 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1650 {
1651 	return card->drvdata;
1652 }
1653 
1654 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1655 		void *data)
1656 {
1657 	dev_set_drvdata(c->dev, data);
1658 }
1659 
1660 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1661 {
1662 	return dev_get_drvdata(c->dev);
1663 }
1664 
1665 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1666 		void *data)
1667 {
1668 	snd_soc_component_set_drvdata(&codec->component, data);
1669 }
1670 
1671 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1672 {
1673 	return snd_soc_component_get_drvdata(&codec->component);
1674 }
1675 
1676 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1677 		void *data)
1678 {
1679 	snd_soc_component_set_drvdata(&platform->component, data);
1680 }
1681 
1682 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1683 {
1684 	return snd_soc_component_get_drvdata(&platform->component);
1685 }
1686 
1687 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1688 {
1689 	INIT_LIST_HEAD(&card->widgets);
1690 	INIT_LIST_HEAD(&card->paths);
1691 	INIT_LIST_HEAD(&card->dapm_list);
1692 	INIT_LIST_HEAD(&card->aux_comp_list);
1693 	INIT_LIST_HEAD(&card->component_dev_list);
1694 }
1695 
1696 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1697 {
1698 	if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1699 		return 0;
1700 	/*
1701 	 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1702 	 * mc->reg != mc->rreg means that the control is
1703 	 * stereo (bits in one register or in two registers)
1704 	 */
1705 	return 1;
1706 }
1707 
1708 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1709 	unsigned int val)
1710 {
1711 	unsigned int i;
1712 
1713 	if (!e->values)
1714 		return val;
1715 
1716 	for (i = 0; i < e->items; i++)
1717 		if (val == e->values[i])
1718 			return i;
1719 
1720 	return 0;
1721 }
1722 
1723 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1724 	unsigned int item)
1725 {
1726 	if (!e->values)
1727 		return item;
1728 
1729 	return e->values[item];
1730 }
1731 
1732 static inline bool snd_soc_component_is_active(
1733 	struct snd_soc_component *component)
1734 {
1735 	return component->active != 0;
1736 }
1737 
1738 static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
1739 {
1740 	return snd_soc_component_is_active(&codec->component);
1741 }
1742 
1743 /**
1744  * snd_soc_kcontrol_component() - Returns the component that registered the
1745  *  control
1746  * @kcontrol: The control for which to get the component
1747  *
1748  * Note: This function will work correctly if the control has been registered
1749  * for a component. Either with snd_soc_add_codec_controls() or
1750  * snd_soc_add_platform_controls() or via  table based setup for either a
1751  * CODEC, a platform or component driver. Otherwise the behavior is undefined.
1752  */
1753 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1754 	struct snd_kcontrol *kcontrol)
1755 {
1756 	return snd_kcontrol_chip(kcontrol);
1757 }
1758 
1759 /**
1760  * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control
1761  * @kcontrol: The control for which to get the CODEC
1762  *
1763  * Note: This function will only work correctly if the control has been
1764  * registered with snd_soc_add_codec_controls() or via table based setup of
1765  * snd_soc_codec_driver. Otherwise the behavior is undefined.
1766  */
1767 static inline struct snd_soc_codec *snd_soc_kcontrol_codec(
1768 	struct snd_kcontrol *kcontrol)
1769 {
1770 	return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
1771 }
1772 
1773 /**
1774  * snd_soc_kcontrol_platform() - Returns the platform that registered the control
1775  * @kcontrol: The control for which to get the platform
1776  *
1777  * Note: This function will only work correctly if the control has been
1778  * registered with snd_soc_add_platform_controls() or via table based setup of
1779  * a snd_soc_platform_driver. Otherwise the behavior is undefined.
1780  */
1781 static inline struct snd_soc_platform *snd_soc_kcontrol_platform(
1782 	struct snd_kcontrol *kcontrol)
1783 {
1784 	return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
1785 }
1786 
1787 int snd_soc_util_init(void);
1788 void snd_soc_util_exit(void);
1789 
1790 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1791 			       const char *propname);
1792 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1793 					  const char *propname);
1794 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1795 			      unsigned int *tx_mask,
1796 			      unsigned int *rx_mask,
1797 			      unsigned int *slots,
1798 			      unsigned int *slot_width);
1799 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1800 				   struct snd_soc_codec_conf *codec_conf,
1801 				   struct device_node *of_node,
1802 				   const char *propname);
1803 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1804 				   const char *propname);
1805 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1806 				     const char *prefix,
1807 				     struct device_node **bitclkmaster,
1808 				     struct device_node **framemaster);
1809 int snd_soc_get_dai_id(struct device_node *ep);
1810 int snd_soc_get_dai_name(struct of_phandle_args *args,
1811 			 const char **dai_name);
1812 int snd_soc_of_get_dai_name(struct device_node *of_node,
1813 			    const char **dai_name);
1814 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1815 				   struct device_node *of_node,
1816 				   struct snd_soc_dai_link *dai_link);
1817 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1818 
1819 int snd_soc_add_dai_link(struct snd_soc_card *card,
1820 				struct snd_soc_dai_link *dai_link);
1821 void snd_soc_remove_dai_link(struct snd_soc_card *card,
1822 			     struct snd_soc_dai_link *dai_link);
1823 struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1824 					       int id, const char *name,
1825 					       const char *stream_name);
1826 
1827 int snd_soc_register_dai(struct snd_soc_component *component,
1828 	struct snd_soc_dai_driver *dai_drv);
1829 
1830 struct snd_soc_dai *snd_soc_find_dai(
1831 	const struct snd_soc_dai_link_component *dlc);
1832 
1833 #include <sound/soc-dai.h>
1834 
1835 static inline
1836 struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
1837 					       const char *dai_name)
1838 {
1839 	struct snd_soc_pcm_runtime *rtd;
1840 
1841 	list_for_each_entry(rtd, &card->rtd_list, list) {
1842 		if (!strcmp(rtd->codec_dai->name, dai_name))
1843 			return rtd->codec_dai;
1844 	}
1845 
1846 	return NULL;
1847 }
1848 
1849 #ifdef CONFIG_DEBUG_FS
1850 extern struct dentry *snd_soc_debugfs_root;
1851 #endif
1852 
1853 extern const struct dev_pm_ops snd_soc_pm_ops;
1854 
1855 /* Helper functions */
1856 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1857 {
1858 	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1859 }
1860 
1861 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1862 {
1863 	mutex_unlock(&dapm->card->dapm_mutex);
1864 }
1865 
1866 int snd_soc_component_enable_pin(struct snd_soc_component *component,
1867 				 const char *pin);
1868 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1869 					  const char *pin);
1870 int snd_soc_component_disable_pin(struct snd_soc_component *component,
1871 				  const char *pin);
1872 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1873 					   const char *pin);
1874 int snd_soc_component_nc_pin(struct snd_soc_component *component,
1875 			     const char *pin);
1876 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1877 				      const char *pin);
1878 int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1879 				     const char *pin);
1880 int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1881 				       const char *pin);
1882 int snd_soc_component_force_enable_pin_unlocked(
1883 					struct snd_soc_component *component,
1884 					const char *pin);
1885 
1886 #endif
1887