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