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 #include <linux/android_kabi.h>
26
27 #include <sound/ac97_codec.h>
28 #include <sound/compress_driver.h>
29 #include <sound/control.h>
30 #include <sound/core.h>
31 #include <sound/pcm.h>
32
33 struct module;
34 struct platform_device;
35
36 /* For the current users of sound/soc.h to avoid build issues */
37 #include <linux/platform_device.h>
38 #include <linux/regmap.h>
39
40 /*
41 * Convenience kcontrol builders
42 */
43 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
44 ((unsigned long)&(struct soc_mixer_control) \
45 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
46 .rshift = shift_right, .max = xmax, \
47 .invert = xinvert, .autodisable = xautodisable})
48 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
49 ((unsigned long)&(struct soc_mixer_control) \
50 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
51 .rshift = shift_right, .min = xmin, .max = xmax, \
52 .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
53 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
54 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
55 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
56 ((unsigned long)&(struct soc_mixer_control) \
57 {.reg = xreg, .max = xmax, .invert = xinvert})
58 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
59 ((unsigned long)&(struct soc_mixer_control) \
60 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
61 .max = xmax, .invert = xinvert})
62 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
63 ((unsigned long)&(struct soc_mixer_control) \
64 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
65 .max = xmax, .min = xmin, .sign_bit = xsign_bit, \
66 .invert = xinvert})
67 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
68 ((unsigned long)&(struct soc_mixer_control) \
69 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
70 .min = xmin, .max = xmax, .invert = xinvert})
71 #define SOC_SINGLE(xname, reg, shift, max, invert) \
72 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
73 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
74 .put = snd_soc_put_volsw, \
75 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
76 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
77 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
78 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
79 .put = snd_soc_put_volsw_range, \
80 .private_value = (unsigned long)&(struct soc_mixer_control) \
81 {.reg = xreg, .rreg = xreg, .shift = xshift, \
82 .rshift = xshift, .min = xmin, .max = xmax, \
83 .invert = xinvert} }
84 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
85 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
86 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
87 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
88 .tlv.p = (tlv_array), \
89 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
90 .put = snd_soc_put_volsw, \
91 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
92 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
93 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
94 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
95 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
96 .tlv.p = (tlv_array),\
97 .info = snd_soc_info_volsw_sx, \
98 .get = snd_soc_get_volsw_sx,\
99 .put = snd_soc_put_volsw_sx, \
100 .private_value = (unsigned long)&(struct soc_mixer_control) \
101 {.reg = xreg, .rreg = xreg, \
102 .shift = xshift, .rshift = xshift, \
103 .max = xmax, .min = xmin} }
104 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
105 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
106 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
107 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
108 .tlv.p = (tlv_array), \
109 .info = snd_soc_info_volsw_range, \
110 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
111 .private_value = (unsigned long)&(struct soc_mixer_control) \
112 {.reg = xreg, .rreg = xreg, .shift = xshift, \
113 .rshift = xshift, .min = xmin, .max = xmax, \
114 .invert = xinvert} }
115 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
116 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
117 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
118 .put = snd_soc_put_volsw, \
119 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
120 max, invert, 0) }
121 #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
122 { \
123 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
124 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
125 .access = SNDRV_CTL_ELEM_ACCESS_READ | \
126 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
127 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
128 max, invert, 0) }
129 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
130 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
131 .info = snd_soc_info_volsw, \
132 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
133 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
134 xmax, xinvert) }
135 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
136 xmax, xinvert) \
137 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
138 .info = snd_soc_info_volsw_range, \
139 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
140 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
141 xshift, xmin, xmax, xinvert) }
142 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, 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, .get = snd_soc_get_volsw, \
148 .put = snd_soc_put_volsw, \
149 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
150 max, invert, 0) }
151 #define SOC_DOUBLE_SX_TLV(xname, xreg, shift_left, shift_right, xmin, xmax, tlv_array) \
152 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
153 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
154 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
155 .tlv.p = (tlv_array), \
156 .info = snd_soc_info_volsw_sx, \
157 .get = snd_soc_get_volsw_sx, \
158 .put = snd_soc_put_volsw_sx, \
159 .private_value = (unsigned long)&(struct soc_mixer_control) \
160 {.reg = xreg, .rreg = xreg, \
161 .shift = shift_left, .rshift = shift_right, \
162 .max = xmax, .min = xmin} }
163 #define SOC_DOUBLE_RANGE_TLV(xname, xreg, xshift_left, xshift_right, xmin, xmax, \
164 xinvert, tlv_array) \
165 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
166 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
167 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
168 .tlv.p = (tlv_array), \
169 .info = snd_soc_info_volsw, \
170 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
171 .private_value = (unsigned long)&(struct soc_mixer_control) \
172 {.reg = xreg, .rreg = xreg, \
173 .shift = xshift_left, .rshift = xshift_right, \
174 .min = xmin, .max = xmax, .invert = xinvert} }
175 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
176 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
177 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
178 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
179 .tlv.p = (tlv_array), \
180 .info = snd_soc_info_volsw, \
181 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
182 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
183 xmax, xinvert) }
184 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
185 xmax, xinvert, tlv_array) \
186 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
187 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
188 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
189 .tlv.p = (tlv_array), \
190 .info = snd_soc_info_volsw_range, \
191 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
192 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
193 xshift, xmin, xmax, xinvert) }
194 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
195 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
196 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
197 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
198 .tlv.p = (tlv_array), \
199 .info = snd_soc_info_volsw_sx, \
200 .get = snd_soc_get_volsw_sx, \
201 .put = snd_soc_put_volsw_sx, \
202 .private_value = (unsigned long)&(struct soc_mixer_control) \
203 {.reg = xreg, .rreg = xrreg, \
204 .shift = xshift, .rshift = xshift, \
205 .max = xmax, .min = xmin} }
206 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
207 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
208 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
209 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
210 .tlv.p = (tlv_array), \
211 .info = snd_soc_info_volsw, \
212 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
213 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
214 xmin, xmax, xsign_bit, xinvert) }
215 #define SOC_SINGLE_S_TLV(xname, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
216 SOC_DOUBLE_R_S_TLV(xname, xreg, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array)
217 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
218 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
219 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
220 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
221 .tlv.p = (tlv_array), \
222 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
223 .put = snd_soc_put_volsw, \
224 .private_value = (unsigned long)&(struct soc_mixer_control) \
225 {.reg = xreg, .rreg = xreg, \
226 .min = xmin, .max = xmax, \
227 .sign_bit = 7,} }
228 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
229 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
230 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
231 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
232 .tlv.p = (tlv_array), \
233 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
234 .put = snd_soc_put_volsw, \
235 .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
236 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
237 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
238 .items = xitems, .texts = xtexts, \
239 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
240 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
241 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
242 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
243 { .items = xitems, .texts = xtexts }
244 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
245 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
246 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
247 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
248 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
249 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
250 { .reg = xreg, .shift_l = xshift, .shift_r = xshift, \
251 .mask = xmask, .items = xitems, .texts = xtexts, \
252 .values = xvalues, .autodisable = 1}
253 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
254 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
255 #define SOC_ENUM(xname, xenum) \
256 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
257 .info = snd_soc_info_enum_double, \
258 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
259 .private_value = (unsigned long)&xenum }
260 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
261 xhandler_get, xhandler_put) \
262 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
263 .info = snd_soc_info_volsw, \
264 .get = xhandler_get, .put = xhandler_put, \
265 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
266 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
267 xhandler_get, xhandler_put) \
268 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
269 .info = snd_soc_info_volsw, \
270 .get = xhandler_get, .put = xhandler_put, \
271 .private_value = \
272 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
273 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
274 xhandler_get, xhandler_put) \
275 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
276 .info = snd_soc_info_volsw, \
277 .get = xhandler_get, .put = xhandler_put, \
278 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
279 xmax, xinvert) }
280 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
281 xhandler_get, xhandler_put, tlv_array) \
282 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
283 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
284 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
285 .tlv.p = (tlv_array), \
286 .info = snd_soc_info_volsw, \
287 .get = xhandler_get, .put = xhandler_put, \
288 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
289 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \
290 xhandler_get, xhandler_put, tlv_array) \
291 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
292 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
293 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
294 .tlv.p = (tlv_array), \
295 .info = snd_soc_info_volsw_range, \
296 .get = xhandler_get, .put = xhandler_put, \
297 .private_value = (unsigned long)&(struct soc_mixer_control) \
298 {.reg = xreg, .rreg = xreg, .shift = xshift, \
299 .rshift = xshift, .min = xmin, .max = xmax, \
300 .invert = xinvert} }
301 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
302 xhandler_get, xhandler_put, tlv_array) \
303 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
304 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
305 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
306 .tlv.p = (tlv_array), \
307 .info = snd_soc_info_volsw, \
308 .get = xhandler_get, .put = xhandler_put, \
309 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
310 xmax, xinvert, 0) }
311 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
312 xhandler_get, xhandler_put, tlv_array) \
313 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
314 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
315 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
316 .tlv.p = (tlv_array), \
317 .info = snd_soc_info_volsw, \
318 .get = xhandler_get, .put = xhandler_put, \
319 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
320 xmax, xinvert) }
321 #define SOC_DOUBLE_R_S_EXT_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, \
322 xsign_bit, xinvert, xhandler_get, xhandler_put, \
323 tlv_array) \
324 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
325 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
326 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
327 .tlv.p = (tlv_array), \
328 .info = snd_soc_info_volsw, \
329 .get = xhandler_get, .put = xhandler_put, \
330 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
331 xmin, xmax, xsign_bit, xinvert) }
332 #define SOC_SINGLE_S_EXT_TLV(xname, xreg, xshift, xmin, xmax, \
333 xsign_bit, xinvert, xhandler_get, xhandler_put, \
334 tlv_array) \
335 SOC_DOUBLE_R_S_EXT_TLV(xname, xreg, xreg, xshift, xmin, xmax, \
336 xsign_bit, xinvert, xhandler_get, xhandler_put, \
337 tlv_array)
338 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
339 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
340 .info = snd_soc_info_bool_ext, \
341 .get = xhandler_get, .put = xhandler_put, \
342 .private_value = xdata }
343 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
344 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
345 .info = snd_soc_info_enum_double, \
346 .get = xhandler_get, .put = xhandler_put, \
347 .private_value = (unsigned long)&xenum }
348 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
349 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
350
351 #define SND_SOC_BYTES(xname, xbase, xregs) \
352 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
353 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
354 .put = snd_soc_bytes_put, .private_value = \
355 ((unsigned long)&(struct soc_bytes) \
356 {.base = xbase, .num_regs = xregs }) }
357 #define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \
358 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
359 .info = snd_soc_bytes_info, .get = xhandler_get, \
360 .put = xhandler_put, .private_value = \
361 ((unsigned long)&(struct soc_bytes) \
362 {.base = xbase, .num_regs = xregs }) }
363
364 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \
365 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
366 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
367 .put = snd_soc_bytes_put, .private_value = \
368 ((unsigned long)&(struct soc_bytes) \
369 {.base = xbase, .num_regs = xregs, \
370 .mask = xmask }) }
371
372 /*
373 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
374 */
375 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
376 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
377 .info = snd_soc_bytes_info_ext, \
378 .get = xhandler_get, .put = xhandler_put, \
379 .private_value = (unsigned long)&(struct soc_bytes_ext) \
380 {.max = xcount} }
381 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
382 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
383 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
384 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
385 .tlv.c = (snd_soc_bytes_tlv_callback), \
386 .info = snd_soc_bytes_info_ext, \
387 .private_value = (unsigned long)&(struct soc_bytes_ext) \
388 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
389 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
390 xmin, xmax, xinvert) \
391 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
392 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
393 .put = snd_soc_put_xr_sx, \
394 .private_value = (unsigned long)&(struct soc_mreg_control) \
395 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
396 .invert = xinvert, .min = xmin, .max = xmax} }
397
398 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
399 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
400 snd_soc_get_strobe, snd_soc_put_strobe)
401
402 /*
403 * Simplified versions of above macros, declaring a struct and calculating
404 * ARRAY_SIZE internally
405 */
406 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
407 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
408 ARRAY_SIZE(xtexts), xtexts)
409 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
410 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
411 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
412 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
413 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
414 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
415 ARRAY_SIZE(xtexts), xtexts, xvalues)
416 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
417 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
418
419 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
420 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
421 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
422
423 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
424 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
425
426 struct snd_jack;
427 struct snd_soc_card;
428 struct snd_soc_pcm_stream;
429 struct snd_soc_ops;
430 struct snd_soc_pcm_runtime;
431 struct snd_soc_dai;
432 struct snd_soc_dai_driver;
433 struct snd_soc_dai_link;
434 struct snd_soc_component;
435 struct snd_soc_component_driver;
436 struct soc_enum;
437 struct snd_soc_jack;
438 struct snd_soc_jack_zone;
439 struct snd_soc_jack_pin;
440
441 #include <sound/soc-dapm.h>
442 #include <sound/soc-dpcm.h>
443 #include <sound/soc-topology.h>
444
445 struct snd_soc_jack_gpio;
446
447 enum snd_soc_pcm_subclass {
448 SND_SOC_PCM_CLASS_PCM = 0,
449 SND_SOC_PCM_CLASS_BE = 1,
450 };
451
452 int snd_soc_register_card(struct snd_soc_card *card);
453 void snd_soc_unregister_card(struct snd_soc_card *card);
454 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
455 #ifdef CONFIG_PM_SLEEP
456 int snd_soc_suspend(struct device *dev);
457 int snd_soc_resume(struct device *dev);
458 #else
snd_soc_suspend(struct device * dev)459 static inline int snd_soc_suspend(struct device *dev)
460 {
461 return 0;
462 }
463
snd_soc_resume(struct device * dev)464 static inline int snd_soc_resume(struct device *dev)
465 {
466 return 0;
467 }
468 #endif
469 int snd_soc_poweroff(struct device *dev);
470 int snd_soc_component_initialize(struct snd_soc_component *component,
471 const struct snd_soc_component_driver *driver,
472 struct device *dev);
473 int snd_soc_add_component(struct snd_soc_component *component,
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 void snd_soc_unregister_component_by_driver(struct device *dev,
484 const struct snd_soc_component_driver *component_driver);
485 struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev,
486 const char *driver_name);
487 struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
488 const char *driver_name);
489
490 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
491 #ifdef CONFIG_SND_SOC_COMPRESS
492 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
493 #else
snd_soc_new_compress(struct snd_soc_pcm_runtime * rtd,int num)494 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
495 {
496 return 0;
497 }
498 #endif
499
500 void snd_soc_disconnect_sync(struct device *dev);
501
502 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
503 struct snd_soc_dai_link *dai_link);
504
505 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
506
507 void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd,
508 int stream, int action);
snd_soc_runtime_activate(struct snd_soc_pcm_runtime * rtd,int stream)509 static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd,
510 int stream)
511 {
512 snd_soc_runtime_action(rtd, stream, 1);
513 }
snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime * rtd,int stream)514 static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd,
515 int stream)
516 {
517 snd_soc_runtime_action(rtd, stream, -1);
518 }
519
520 int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd,
521 struct snd_pcm_hardware *hw, int stream);
522
523 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
524 unsigned int dai_fmt);
525
526 #ifdef CONFIG_DMI
527 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
528 #else
snd_soc_set_dmi_name(struct snd_soc_card * card,const char * flavour)529 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
530 const char *flavour)
531 {
532 return 0;
533 }
534 #endif
535
536 /* Utility functions to get clock rates from various things */
537 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
538 int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params);
539 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
540 int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *parms);
541 int snd_soc_tdm_params_to_bclk(const struct snd_pcm_hw_params *params,
542 int tdm_width, int tdm_slots, int slot_multiple);
543
544 /* set runtime hw params */
545 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
546 const struct snd_pcm_hardware *hw);
547
548 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
549 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
550 unsigned int id, unsigned int id_mask);
551 void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
552
553 #ifdef CONFIG_SND_SOC_AC97_BUS
554 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
555 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
556 struct platform_device *pdev);
557
558 extern struct snd_ac97_bus_ops *soc_ac97_ops;
559 #else
snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops * ops,struct platform_device * pdev)560 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
561 struct platform_device *pdev)
562 {
563 return 0;
564 }
565
snd_soc_set_ac97_ops(struct snd_ac97_bus_ops * ops)566 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
567 {
568 return 0;
569 }
570 #endif
571
572 /*
573 *Controls
574 */
575 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
576 void *data, const char *long_name,
577 const char *prefix);
578 int snd_soc_add_component_controls(struct snd_soc_component *component,
579 const struct snd_kcontrol_new *controls, unsigned int num_controls);
580 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
581 const struct snd_kcontrol_new *controls, int num_controls);
582 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
583 const struct snd_kcontrol_new *controls, int num_controls);
584 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
585 struct snd_ctl_elem_info *uinfo);
586 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
587 struct snd_ctl_elem_value *ucontrol);
588 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
589 struct snd_ctl_elem_value *ucontrol);
590 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
591 struct snd_ctl_elem_info *uinfo);
592 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
593 struct snd_ctl_elem_info *uinfo);
594 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
595 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
596 struct snd_ctl_elem_value *ucontrol);
597 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
598 struct snd_ctl_elem_value *ucontrol);
599 #define snd_soc_get_volsw_2r snd_soc_get_volsw
600 #define snd_soc_put_volsw_2r snd_soc_put_volsw
601 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
602 struct snd_ctl_elem_value *ucontrol);
603 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
604 struct snd_ctl_elem_value *ucontrol);
605 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
606 struct snd_ctl_elem_info *uinfo);
607 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
608 struct snd_ctl_elem_value *ucontrol);
609 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
610 struct snd_ctl_elem_value *ucontrol);
611 int snd_soc_limit_volume(struct snd_soc_card *card,
612 const char *name, int max);
613 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
614 struct snd_ctl_elem_info *uinfo);
615 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
616 struct snd_ctl_elem_value *ucontrol);
617 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
618 struct snd_ctl_elem_value *ucontrol);
619 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
620 struct snd_ctl_elem_info *ucontrol);
621 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
622 unsigned int size, unsigned int __user *tlv);
623 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
624 struct snd_ctl_elem_info *uinfo);
625 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
626 struct snd_ctl_elem_value *ucontrol);
627 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
628 struct snd_ctl_elem_value *ucontrol);
629 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
630 struct snd_ctl_elem_value *ucontrol);
631 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
632 struct snd_ctl_elem_value *ucontrol);
633
634 enum snd_soc_trigger_order {
635 /* start stop */
636 SND_SOC_TRIGGER_ORDER_DEFAULT = 0, /* Link->Component->DAI DAI->Component->Link */
637 SND_SOC_TRIGGER_ORDER_LDC, /* Link->DAI->Component Component->DAI->Link */
638
639 SND_SOC_TRIGGER_ORDER_MAX,
640 };
641
642 /* SoC PCM stream information */
643 struct snd_soc_pcm_stream {
644 const char *stream_name;
645 u64 formats; /* SNDRV_PCM_FMTBIT_* */
646 u32 subformats; /* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */
647 unsigned int rates; /* SNDRV_PCM_RATE_* */
648 unsigned int rate_min; /* min rate */
649 unsigned int rate_max; /* max rate */
650 unsigned int channels_min; /* min channels */
651 unsigned int channels_max; /* max channels */
652 unsigned int sig_bits; /* number of bits of content */
653 };
654
655 /* SoC audio ops */
656 struct snd_soc_ops {
657 int (*startup)(struct snd_pcm_substream *);
658 void (*shutdown)(struct snd_pcm_substream *);
659 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
660 int (*hw_free)(struct snd_pcm_substream *);
661 int (*prepare)(struct snd_pcm_substream *);
662 int (*trigger)(struct snd_pcm_substream *, int);
663 };
664
665 struct snd_soc_compr_ops {
666 int (*startup)(struct snd_compr_stream *);
667 void (*shutdown)(struct snd_compr_stream *);
668 int (*set_params)(struct snd_compr_stream *);
669 };
670
671 struct snd_soc_component*
672 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
673 const char *driver_name);
674
675 struct snd_soc_dai_link_component {
676 const char *name;
677 struct device_node *of_node;
678 const char *dai_name;
679 const struct of_phandle_args *dai_args;
680 };
681
682 /*
683 * [dai_link->ch_maps Image sample]
684 *
685 *-------------------------
686 * CPU0 <---> Codec0
687 *
688 * ch-map[0].cpu = 0 ch-map[0].codec = 0
689 *
690 *-------------------------
691 * CPU0 <---> Codec0
692 * CPU1 <---> Codec1
693 * CPU2 <---> Codec2
694 *
695 * ch-map[0].cpu = 0 ch-map[0].codec = 0
696 * ch-map[1].cpu = 1 ch-map[1].codec = 1
697 * ch-map[2].cpu = 2 ch-map[2].codec = 2
698 *
699 *-------------------------
700 * CPU0 <---> Codec0
701 * CPU1 <-+-> Codec1
702 * CPU2 <-/
703 *
704 * ch-map[0].cpu = 0 ch-map[0].codec = 0
705 * ch-map[1].cpu = 1 ch-map[1].codec = 1
706 * ch-map[2].cpu = 2 ch-map[2].codec = 1
707 *
708 *-------------------------
709 * CPU0 <---> Codec0
710 * CPU1 <-+-> Codec1
711 * \-> Codec2
712 *
713 * ch-map[0].cpu = 0 ch-map[0].codec = 0
714 * ch-map[1].cpu = 1 ch-map[1].codec = 1
715 * ch-map[2].cpu = 1 ch-map[2].codec = 2
716 *
717 */
718 struct snd_soc_dai_link_ch_map {
719 unsigned int cpu;
720 unsigned int codec;
721 unsigned int ch_mask;
722 };
723
724 struct snd_soc_dai_link {
725 /* config - must be set by machine driver */
726 const char *name; /* Codec name */
727 const char *stream_name; /* Stream name */
728
729 /*
730 * You MAY specify the link's CPU-side device, either by device name,
731 * or by DT/OF node, but not both. If this information is omitted,
732 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
733 * must be globally unique. These fields are currently typically used
734 * only for codec to codec links, or systems using device tree.
735 */
736 /*
737 * You MAY specify the DAI name of the CPU DAI. If this information is
738 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
739 * only, which only works well when that device exposes a single DAI.
740 */
741 struct snd_soc_dai_link_component *cpus;
742 unsigned int num_cpus;
743
744 /*
745 * You MUST specify the link's codec, either by device name, or by
746 * DT/OF node, but not both.
747 */
748 /* You MUST specify the DAI name within the codec */
749 struct snd_soc_dai_link_component *codecs;
750 unsigned int num_codecs;
751
752 /* num_ch_maps = max(num_cpu, num_codecs) */
753 struct snd_soc_dai_link_ch_map *ch_maps;
754
755 /*
756 * You MAY specify the link's platform/PCM/DMA driver, either by
757 * device name, or by DT/OF node, but not both. Some forms of link
758 * do not need a platform. In such case, platforms are not mandatory.
759 */
760 struct snd_soc_dai_link_component *platforms;
761 unsigned int num_platforms;
762
763 int id; /* optional ID for machine driver link identification */
764
765 /*
766 * for Codec2Codec
767 */
768 const struct snd_soc_pcm_stream *c2c_params;
769 unsigned int num_c2c_params;
770
771 unsigned int dai_fmt; /* format to set on init */
772
773 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
774
775 /* codec/machine specific init - e.g. add machine controls */
776 int (*init)(struct snd_soc_pcm_runtime *rtd);
777
778 /* codec/machine specific exit - dual of init() */
779 void (*exit)(struct snd_soc_pcm_runtime *rtd);
780
781 /* optional hw_params re-writing for BE and FE sync */
782 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
783 struct snd_pcm_hw_params *params);
784
785 /* machine stream operations */
786 const struct snd_soc_ops *ops;
787 const struct snd_soc_compr_ops *compr_ops;
788
789 /*
790 * soc_pcm_trigger() start/stop sequence.
791 * see also
792 * snd_soc_component_driver
793 * soc_pcm_trigger()
794 */
795 enum snd_soc_trigger_order trigger_start;
796 enum snd_soc_trigger_order trigger_stop;
797
798 /* Mark this pcm with non atomic ops */
799 unsigned int nonatomic:1;
800
801 /* For unidirectional dai links */
802 unsigned int playback_only:1;
803 unsigned int capture_only:1;
804
805 /* Keep DAI active over suspend */
806 unsigned int ignore_suspend:1;
807
808 /* Symmetry requirements */
809 unsigned int symmetric_rate:1;
810 unsigned int symmetric_channels:1;
811 unsigned int symmetric_sample_bits:1;
812
813 /* Do not create a PCM for this DAI link (Backend link) */
814 unsigned int no_pcm:1;
815
816 /* This DAI link can route to other DAI links at runtime (Frontend)*/
817 unsigned int dynamic:1;
818
819 /* REMOVE ME */
820 /* DPCM capture and Playback support */
821 unsigned int dpcm_capture:1;
822 unsigned int dpcm_playback:1;
823
824 /* DPCM used FE & BE merged format */
825 unsigned int dpcm_merged_format:1;
826 /* DPCM used FE & BE merged channel */
827 unsigned int dpcm_merged_chan:1;
828 /* DPCM used FE & BE merged rate */
829 unsigned int dpcm_merged_rate:1;
830
831 /* pmdown_time is ignored at stop */
832 unsigned int ignore_pmdown_time:1;
833
834 /* Do not create a PCM for this DAI link (Backend link) */
835 unsigned int ignore:1;
836
837 #ifdef CONFIG_SND_SOC_TOPOLOGY
838 struct snd_soc_dobj dobj; /* For topology */
839 #endif
840
841 ANDROID_KABI_RESERVE(1);
842 };
843
snd_soc_link_num_ch_map(const struct snd_soc_dai_link * link)844 static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link)
845 {
846 return max(link->num_cpus, link->num_codecs);
847 }
848
849 static inline struct snd_soc_dai_link_component*
snd_soc_link_to_cpu(struct snd_soc_dai_link * link,int n)850 snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) {
851 return &(link)->cpus[n];
852 }
853
854 static inline struct snd_soc_dai_link_component*
snd_soc_link_to_codec(struct snd_soc_dai_link * link,int n)855 snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) {
856 return &(link)->codecs[n];
857 }
858
859 static inline struct snd_soc_dai_link_component*
snd_soc_link_to_platform(struct snd_soc_dai_link * link,int n)860 snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) {
861 return &(link)->platforms[n];
862 }
863
864 #define for_each_link_codecs(link, i, codec) \
865 for ((i) = 0; \
866 ((i) < link->num_codecs) && \
867 ((codec) = snd_soc_link_to_codec(link, i)); \
868 (i)++)
869
870 #define for_each_link_platforms(link, i, platform) \
871 for ((i) = 0; \
872 ((i) < link->num_platforms) && \
873 ((platform) = snd_soc_link_to_platform(link, i)); \
874 (i)++)
875
876 #define for_each_link_cpus(link, i, cpu) \
877 for ((i) = 0; \
878 ((i) < link->num_cpus) && \
879 ((cpu) = snd_soc_link_to_cpu(link, i)); \
880 (i)++)
881
882 #define for_each_link_ch_maps(link, i, ch_map) \
883 for ((i) = 0; \
884 ((i) < snd_soc_link_num_ch_map(link) && \
885 ((ch_map) = link->ch_maps + i)); \
886 (i)++)
887
888 /*
889 * Sample 1 : Single CPU/Codec/Platform
890 *
891 * SND_SOC_DAILINK_DEFS(test,
892 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")),
893 * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")),
894 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
895 *
896 * struct snd_soc_dai_link link = {
897 * ...
898 * SND_SOC_DAILINK_REG(test),
899 * };
900 *
901 * Sample 2 : Multi CPU/Codec, no Platform
902 *
903 * SND_SOC_DAILINK_DEFS(test,
904 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
905 * COMP_CPU("cpu_dai2")),
906 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
907 * COMP_CODEC("codec2", "codec_dai2")));
908 *
909 * struct snd_soc_dai_link link = {
910 * ...
911 * SND_SOC_DAILINK_REG(test),
912 * };
913 *
914 * Sample 3 : Define each CPU/Codec/Platform manually
915 *
916 * SND_SOC_DAILINK_DEF(test_cpu,
917 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
918 * COMP_CPU("cpu_dai2")));
919 * SND_SOC_DAILINK_DEF(test_codec,
920 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
921 * COMP_CODEC("codec2", "codec_dai2")));
922 * SND_SOC_DAILINK_DEF(test_platform,
923 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
924 *
925 * struct snd_soc_dai_link link = {
926 * ...
927 * SND_SOC_DAILINK_REG(test_cpu,
928 * test_codec,
929 * test_platform),
930 * };
931 *
932 * Sample 4 : Sample3 without platform
933 *
934 * struct snd_soc_dai_link link = {
935 * ...
936 * SND_SOC_DAILINK_REG(test_cpu,
937 * test_codec);
938 * };
939 */
940
941 #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms)
942 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component)
943 #define SND_SOC_DAILINK_REG3(cpu, codec, platform) \
944 .cpus = cpu, \
945 .num_cpus = ARRAY_SIZE(cpu), \
946 .codecs = codec, \
947 .num_codecs = ARRAY_SIZE(codec), \
948 .platforms = platform, \
949 .num_platforms = ARRAY_SIZE(platform)
950
951 #define SND_SOC_DAILINK_REG(...) \
952 CONCATENATE(SND_SOC_DAILINK_REG, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__)
953
954 #define SND_SOC_DAILINK_DEF(name, def...) \
955 static struct snd_soc_dai_link_component name[] = { def }
956
957 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \
958 SND_SOC_DAILINK_DEF(name##_cpus, cpu); \
959 SND_SOC_DAILINK_DEF(name##_codecs, codec); \
960 SND_SOC_DAILINK_DEF(name##_platforms, platform)
961
962 #define DAILINK_COMP_ARRAY(param...) param
963 #define COMP_EMPTY() { }
964 #define COMP_CPU(_dai) { .dai_name = _dai, }
965 #define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, }
966 #define COMP_PLATFORM(_name) { .name = _name }
967 #define COMP_AUX(_name) { .name = _name }
968 #define COMP_CODEC_CONF(_name) { .name = _name }
969 #define COMP_DUMMY() /* see snd_soc_fill_dummy_dai() */
970
971 extern struct snd_soc_dai_link_component null_dailink_component[0];
972 extern struct snd_soc_dai_link_component snd_soc_dummy_dlc;
973
974
975 struct snd_soc_codec_conf {
976 /*
977 * specify device either by device name, or by
978 * DT/OF node, but not both.
979 */
980 struct snd_soc_dai_link_component dlc;
981
982 /*
983 * optional map of kcontrol, widget and path name prefixes that are
984 * associated per device
985 */
986 const char *name_prefix;
987 };
988
989 struct snd_soc_aux_dev {
990 /*
991 * specify multi-codec either by device name, or by
992 * DT/OF node, but not both.
993 */
994 struct snd_soc_dai_link_component dlc;
995
996 /* codec/machine specific init - e.g. add machine controls */
997 int (*init)(struct snd_soc_component *component);
998 };
999
1000 /* SoC card */
1001 struct snd_soc_card {
1002 const char *name;
1003 const char *long_name;
1004 const char *driver_name;
1005 const char *components;
1006 #ifdef CONFIG_DMI
1007 char dmi_longname[80];
1008 #endif /* CONFIG_DMI */
1009
1010 #ifdef CONFIG_PCI
1011 /*
1012 * PCI does not define 0 as invalid, so pci_subsystem_set indicates
1013 * whether a value has been written to these fields.
1014 */
1015 unsigned short pci_subsystem_vendor;
1016 unsigned short pci_subsystem_device;
1017 bool pci_subsystem_set;
1018 #endif /* CONFIG_PCI */
1019
1020 char topology_shortname[32];
1021
1022 struct device *dev;
1023 struct snd_card *snd_card;
1024 struct module *owner;
1025
1026 struct mutex mutex;
1027 struct mutex dapm_mutex;
1028
1029 /* Mutex for PCM operations */
1030 struct mutex pcm_mutex;
1031 enum snd_soc_pcm_subclass pcm_subclass;
1032
1033 int (*probe)(struct snd_soc_card *card);
1034 int (*late_probe)(struct snd_soc_card *card);
1035 void (*fixup_controls)(struct snd_soc_card *card);
1036 int (*remove)(struct snd_soc_card *card);
1037
1038 /* the pre and post PM functions are used to do any PM work before and
1039 * after the codec and DAI's do any PM work. */
1040 int (*suspend_pre)(struct snd_soc_card *card);
1041 int (*suspend_post)(struct snd_soc_card *card);
1042 int (*resume_pre)(struct snd_soc_card *card);
1043 int (*resume_post)(struct snd_soc_card *card);
1044
1045 /* callbacks */
1046 int (*set_bias_level)(struct snd_soc_card *,
1047 struct snd_soc_dapm_context *dapm,
1048 enum snd_soc_bias_level level);
1049 int (*set_bias_level_post)(struct snd_soc_card *,
1050 struct snd_soc_dapm_context *dapm,
1051 enum snd_soc_bias_level level);
1052
1053 int (*add_dai_link)(struct snd_soc_card *,
1054 struct snd_soc_dai_link *link);
1055 void (*remove_dai_link)(struct snd_soc_card *,
1056 struct snd_soc_dai_link *link);
1057
1058 long pmdown_time;
1059
1060 /* CPU <--> Codec DAI links */
1061 struct snd_soc_dai_link *dai_link; /* predefined links only */
1062 int num_links; /* predefined links only */
1063
1064 struct list_head rtd_list;
1065 int num_rtd;
1066
1067 /* optional codec specific configuration */
1068 struct snd_soc_codec_conf *codec_conf;
1069 int num_configs;
1070
1071 /*
1072 * optional auxiliary devices such as amplifiers or codecs with DAI
1073 * link unused
1074 */
1075 struct snd_soc_aux_dev *aux_dev;
1076 int num_aux_devs;
1077 struct list_head aux_comp_list;
1078
1079 const struct snd_kcontrol_new *controls;
1080 int num_controls;
1081
1082 /*
1083 * Card-specific routes and widgets.
1084 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1085 */
1086 const struct snd_soc_dapm_widget *dapm_widgets;
1087 int num_dapm_widgets;
1088 const struct snd_soc_dapm_route *dapm_routes;
1089 int num_dapm_routes;
1090 const struct snd_soc_dapm_widget *of_dapm_widgets;
1091 int num_of_dapm_widgets;
1092 const struct snd_soc_dapm_route *of_dapm_routes;
1093 int num_of_dapm_routes;
1094
1095 /* lists of probed devices belonging to this card */
1096 struct list_head component_dev_list;
1097 struct list_head list;
1098
1099 struct list_head widgets;
1100 struct list_head paths;
1101 struct list_head dapm_list;
1102 struct list_head dapm_dirty;
1103
1104 /* attached dynamic objects */
1105 struct list_head dobj_list;
1106
1107 /* Generic DAPM context for the card */
1108 struct snd_soc_dapm_context dapm;
1109 struct snd_soc_dapm_stats dapm_stats;
1110 struct snd_soc_dapm_update *update;
1111
1112 #ifdef CONFIG_DEBUG_FS
1113 struct dentry *debugfs_card_root;
1114 #endif
1115 #ifdef CONFIG_PM_SLEEP
1116 struct work_struct deferred_resume_work;
1117 #endif
1118 u32 pop_time;
1119
1120 /* bit field */
1121 unsigned int instantiated:1;
1122 unsigned int topology_shortname_created:1;
1123 unsigned int fully_routed:1;
1124 unsigned int disable_route_checks:1;
1125 unsigned int probed:1;
1126 unsigned int component_chaining:1;
1127
1128 void *drvdata;
1129
1130 ANDROID_KABI_RESERVE(1);
1131 ANDROID_KABI_RESERVE(2);
1132 ANDROID_KABI_RESERVE(3);
1133 ANDROID_KABI_RESERVE(4);
1134 };
1135 #define for_each_card_prelinks(card, i, link) \
1136 for ((i) = 0; \
1137 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
1138 (i)++)
1139 #define for_each_card_pre_auxs(card, i, aux) \
1140 for ((i) = 0; \
1141 ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \
1142 (i)++)
1143
1144 #define for_each_card_rtds(card, rtd) \
1145 list_for_each_entry(rtd, &(card)->rtd_list, list)
1146 #define for_each_card_rtds_safe(card, rtd, _rtd) \
1147 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1148
1149 #define for_each_card_auxs(card, component) \
1150 list_for_each_entry(component, &card->aux_comp_list, card_aux_list)
1151 #define for_each_card_auxs_safe(card, component, _comp) \
1152 list_for_each_entry_safe(component, _comp, \
1153 &card->aux_comp_list, card_aux_list)
1154
1155 #define for_each_card_components(card, component) \
1156 list_for_each_entry(component, &(card)->component_dev_list, card_list)
1157
1158 #define for_each_card_dapms(card, dapm) \
1159 list_for_each_entry(dapm, &card->dapm_list, list)
1160
1161 #define for_each_card_widgets(card, w)\
1162 list_for_each_entry(w, &card->widgets, list)
1163 #define for_each_card_widgets_safe(card, w, _w) \
1164 list_for_each_entry_safe(w, _w, &card->widgets, list)
1165
1166
snd_soc_card_is_instantiated(struct snd_soc_card * card)1167 static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card)
1168 {
1169 return card && card->instantiated;
1170 }
1171
1172 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1173 struct snd_soc_pcm_runtime {
1174 struct device *dev;
1175 struct snd_soc_card *card;
1176 struct snd_soc_dai_link *dai_link;
1177 struct snd_pcm_ops ops;
1178
1179 unsigned int c2c_params_select; /* currently selected c2c_param for dai link */
1180
1181 /* Dynamic PCM BE runtime data */
1182 struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1];
1183 struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1];
1184
1185 long pmdown_time;
1186
1187 /* runtime devices */
1188 struct snd_pcm *pcm;
1189 struct snd_compr *compr;
1190
1191 /*
1192 * dais = cpu_dai + codec_dai
1193 * see
1194 * soc_new_pcm_runtime()
1195 * snd_soc_rtd_to_cpu()
1196 * snd_soc_rtd_to_codec()
1197 */
1198 struct snd_soc_dai **dais;
1199
1200 struct delayed_work delayed_work;
1201 void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd);
1202 #ifdef CONFIG_DEBUG_FS
1203 struct dentry *debugfs_dpcm_root;
1204 #endif
1205
1206 unsigned int num; /* 0-based and monotonic increasing */
1207 struct list_head list; /* rtd list of the soc card */
1208
1209 /* function mark */
1210 struct snd_pcm_substream *mark_startup;
1211 struct snd_pcm_substream *mark_hw_params;
1212 struct snd_pcm_substream *mark_trigger;
1213 struct snd_compr_stream *mark_compr_startup;
1214
1215 /* bit field */
1216 unsigned int pop_wait:1;
1217 unsigned int fe_compr:1; /* for Dynamic PCM */
1218 unsigned int initialized:1;
1219
1220 /* CPU/Codec/Platform */
1221 int num_components;
1222
1223 ANDROID_KABI_RESERVE(1);
1224 struct snd_soc_component *components[] __counted_by(num_components);
1225 };
1226
1227 /* see soc_new_pcm_runtime() */
1228 #define snd_soc_rtd_to_cpu(rtd, n) (rtd)->dais[n]
1229 #define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus]
1230
1231 static inline struct snd_soc_pcm_runtime *
snd_soc_substream_to_rtd(const struct snd_pcm_substream * substream)1232 snd_soc_substream_to_rtd(const struct snd_pcm_substream *substream)
1233 {
1234 return snd_pcm_substream_chip(substream);
1235 }
1236
1237 #define for_each_rtd_components(rtd, i, component) \
1238 for ((i) = 0, component = NULL; \
1239 ((i) < rtd->num_components) && ((component) = rtd->components[i]);\
1240 (i)++)
1241 #define for_each_rtd_cpu_dais(rtd, i, dai) \
1242 for ((i) = 0; \
1243 ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \
1244 (i)++)
1245 #define for_each_rtd_codec_dais(rtd, i, dai) \
1246 for ((i) = 0; \
1247 ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \
1248 (i)++)
1249 #define for_each_rtd_dais(rtd, i, dai) \
1250 for ((i) = 0; \
1251 ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) && \
1252 ((dai) = (rtd)->dais[i]); \
1253 (i)++)
1254 #define for_each_rtd_dais_reverse(rtd, i, dai) \
1255 for ((i) = (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs - 1; \
1256 (i) >= 0 && ((dai) = (rtd)->dais[i]); \
1257 (i)--)
1258 #define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps)
1259
1260 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd);
1261
1262 /* mixer control */
1263 struct soc_mixer_control {
1264 /* Minimum and maximum specified as written to the hardware */
1265 int min, max;
1266 /* Limited maximum value specified as presented through the control */
1267 int platform_max;
1268 int reg, rreg;
1269 unsigned int shift, rshift;
1270 unsigned int sign_bit;
1271 unsigned int invert:1;
1272 unsigned int autodisable:1;
1273 #ifdef CONFIG_SND_SOC_TOPOLOGY
1274 struct snd_soc_dobj dobj;
1275 #endif
1276
1277 ANDROID_KABI_RESERVE(1);
1278 };
1279
1280 struct soc_bytes {
1281 int base;
1282 int num_regs;
1283 u32 mask;
1284 };
1285
1286 struct soc_bytes_ext {
1287 int max;
1288 #ifdef CONFIG_SND_SOC_TOPOLOGY
1289 struct snd_soc_dobj dobj;
1290 #endif
1291 /* used for TLV byte control */
1292 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1293 unsigned int size);
1294 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1295 unsigned int size);
1296 };
1297
1298 /* multi register control */
1299 struct soc_mreg_control {
1300 long min, max;
1301 unsigned int regbase, regcount, nbits, invert;
1302 };
1303
1304 /* enumerated kcontrol */
1305 struct soc_enum {
1306 int reg;
1307 unsigned char shift_l;
1308 unsigned char shift_r;
1309 unsigned int items;
1310 unsigned int mask;
1311 const char * const *texts;
1312 const unsigned int *values;
1313 unsigned int autodisable:1;
1314 #ifdef CONFIG_SND_SOC_TOPOLOGY
1315 struct snd_soc_dobj dobj;
1316 #endif
1317
1318 ANDROID_KABI_RESERVE(1);
1319 };
1320
snd_soc_volsw_is_stereo(const struct soc_mixer_control * mc)1321 static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc)
1322 {
1323 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1324 return false;
1325 /*
1326 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1327 * mc->reg != mc->rreg means that the control is
1328 * stereo (bits in one register or in two registers)
1329 */
1330 return true;
1331 }
1332
snd_soc_enum_val_to_item(const struct soc_enum * e,unsigned int val)1333 static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e,
1334 unsigned int val)
1335 {
1336 unsigned int i;
1337
1338 if (!e->values)
1339 return val;
1340
1341 for (i = 0; i < e->items; i++)
1342 if (val == e->values[i])
1343 return i;
1344
1345 return 0;
1346 }
1347
snd_soc_enum_item_to_val(const struct soc_enum * e,unsigned int item)1348 static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e,
1349 unsigned int item)
1350 {
1351 if (!e->values)
1352 return item;
1353
1354 return e->values[item];
1355 }
1356
1357 /**
1358 * snd_soc_kcontrol_component() - Returns the component that registered the
1359 * control
1360 * @kcontrol: The control for which to get the component
1361 *
1362 * Note: This function will work correctly if the control has been registered
1363 * for a component. With snd_soc_add_codec_controls() or via table based
1364 * setup for either a CODEC or component driver. Otherwise the behavior is
1365 * undefined.
1366 */
snd_soc_kcontrol_component(struct snd_kcontrol * kcontrol)1367 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1368 struct snd_kcontrol *kcontrol)
1369 {
1370 return snd_kcontrol_chip(kcontrol);
1371 }
1372
1373 int snd_soc_util_init(void);
1374 void snd_soc_util_exit(void);
1375
1376 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1377 const char *propname);
1378 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1379 const char *propname);
1380 int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop);
1381 int snd_soc_of_get_slot_mask(struct device_node *np,
1382 const char *prop_name,
1383 unsigned int *mask);
1384 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1385 unsigned int *tx_mask,
1386 unsigned int *rx_mask,
1387 unsigned int *slots,
1388 unsigned int *slot_width);
1389 void snd_soc_of_parse_node_prefix(struct device_node *np,
1390 struct snd_soc_codec_conf *codec_conf,
1391 struct device_node *of_node,
1392 const char *propname);
1393 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)1394 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1395 struct snd_soc_codec_conf *codec_conf,
1396 struct device_node *of_node,
1397 const char *propname)
1398 {
1399 snd_soc_of_parse_node_prefix(card->dev->of_node,
1400 codec_conf, of_node, propname);
1401 }
1402
1403 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1404 const char *propname);
1405 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname);
1406
1407 unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt);
1408 unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame);
1409
1410 unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix);
1411 unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np,
1412 const char *prefix,
1413 struct device_node **bitclkmaster,
1414 struct device_node **framemaster);
1415 #define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix) \
1416 snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL)
1417 #define snd_soc_daifmt_parse_clock_provider_as_phandle \
1418 snd_soc_daifmt_parse_clock_provider_raw
1419 #define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix) \
1420 snd_soc_daifmt_clock_provider_from_bitmap( \
1421 snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix))
1422
1423 int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream);
1424 int snd_soc_get_dlc(const struct of_phandle_args *args,
1425 struct snd_soc_dai_link_component *dlc);
1426 int snd_soc_of_get_dlc(struct device_node *of_node,
1427 struct of_phandle_args *args,
1428 struct snd_soc_dai_link_component *dlc,
1429 int index);
1430 int snd_soc_get_dai_id(struct device_node *ep);
1431 int snd_soc_get_dai_name(const struct of_phandle_args *args,
1432 const char **dai_name);
1433 int snd_soc_of_get_dai_name(struct device_node *of_node,
1434 const char **dai_name, int index);
1435 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1436 struct device_node *of_node,
1437 struct snd_soc_dai_link *dai_link);
1438 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1439 int snd_soc_of_get_dai_link_cpus(struct device *dev,
1440 struct device_node *of_node,
1441 struct snd_soc_dai_link *dai_link);
1442 void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link);
1443
1444 int snd_soc_add_pcm_runtimes(struct snd_soc_card *card,
1445 struct snd_soc_dai_link *dai_link,
1446 int num_dai_link);
1447 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
1448 struct snd_soc_pcm_runtime *rtd);
1449
1450 void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms,
1451 struct snd_soc_dai_link_component *cpus);
1452 struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev,
1453 const struct of_phandle_args *args);
1454 struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args);
1455 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
1456 struct snd_soc_dai_driver *dai_drv,
1457 bool legacy_dai_naming);
1458 struct snd_soc_dai *devm_snd_soc_register_dai(struct device *dev,
1459 struct snd_soc_component *component,
1460 struct snd_soc_dai_driver *dai_drv,
1461 bool legacy_dai_naming);
1462 void snd_soc_unregister_dai(struct snd_soc_dai *dai);
1463
1464 struct snd_soc_dai *snd_soc_find_dai(
1465 const struct snd_soc_dai_link_component *dlc);
1466 struct snd_soc_dai *snd_soc_find_dai_with_mutex(
1467 const struct snd_soc_dai_link_component *dlc);
1468
1469 #include <sound/soc-dai.h>
1470
1471 static inline
snd_soc_fixup_dai_links_platform_name(struct snd_soc_card * card,const char * platform_name)1472 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
1473 const char *platform_name)
1474 {
1475 struct snd_soc_dai_link *dai_link;
1476 const char *name;
1477 int i;
1478
1479 if (!platform_name) /* nothing to do */
1480 return 0;
1481
1482 /* set platform name for each dailink */
1483 for_each_card_prelinks(card, i, dai_link) {
1484 /* only single platform is supported for now */
1485 if (dai_link->num_platforms != 1)
1486 return -EINVAL;
1487
1488 if (!dai_link->platforms)
1489 return -EINVAL;
1490
1491 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
1492 if (!name)
1493 return -ENOMEM;
1494
1495 /* only single platform is supported for now */
1496 dai_link->platforms->name = name;
1497 }
1498
1499 return 0;
1500 }
1501
1502 #ifdef CONFIG_DEBUG_FS
1503 extern struct dentry *snd_soc_debugfs_root;
1504 #endif
1505
1506 extern const struct dev_pm_ops snd_soc_pm_ops;
1507
1508 /*
1509 * DAPM helper functions
1510 */
1511 enum snd_soc_dapm_subclass {
1512 SND_SOC_DAPM_CLASS_ROOT = 0,
1513 SND_SOC_DAPM_CLASS_RUNTIME = 1,
1514 };
1515
_snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card * card)1516 static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card)
1517 {
1518 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT);
1519 }
1520
_snd_soc_dapm_mutex_lock_c(struct snd_soc_card * card)1521 static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card)
1522 {
1523 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1524 }
1525
_snd_soc_dapm_mutex_unlock_c(struct snd_soc_card * card)1526 static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card)
1527 {
1528 mutex_unlock(&card->dapm_mutex);
1529 }
1530
_snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card * card)1531 static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card)
1532 {
1533 lockdep_assert_held(&card->dapm_mutex);
1534 }
1535
_snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context * dapm)1536 static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm)
1537 {
1538 _snd_soc_dapm_mutex_lock_root_c(dapm->card);
1539 }
1540
_snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context * dapm)1541 static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm)
1542 {
1543 _snd_soc_dapm_mutex_lock_c(dapm->card);
1544 }
1545
_snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context * dapm)1546 static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm)
1547 {
1548 _snd_soc_dapm_mutex_unlock_c(dapm->card);
1549 }
1550
_snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context * dapm)1551 static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm)
1552 {
1553 _snd_soc_dapm_mutex_assert_held_c(dapm->card);
1554 }
1555
1556 #define snd_soc_dapm_mutex_lock_root(x) _Generic((x), \
1557 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_root_c, \
1558 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_root_d)(x)
1559 #define snd_soc_dapm_mutex_lock(x) _Generic((x), \
1560 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_c, \
1561 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_d)(x)
1562 #define snd_soc_dapm_mutex_unlock(x) _Generic((x), \
1563 struct snd_soc_card * : _snd_soc_dapm_mutex_unlock_c, \
1564 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_unlock_d)(x)
1565 #define snd_soc_dapm_mutex_assert_held(x) _Generic((x), \
1566 struct snd_soc_card * : _snd_soc_dapm_mutex_assert_held_c, \
1567 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_assert_held_d)(x)
1568
1569 /*
1570 * PCM helper functions
1571 */
_snd_soc_dpcm_mutex_lock_c(struct snd_soc_card * card)1572 static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card)
1573 {
1574 mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass);
1575 }
1576
_snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card * card)1577 static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card)
1578 {
1579 mutex_unlock(&card->pcm_mutex);
1580 }
1581
_snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card * card)1582 static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card)
1583 {
1584 lockdep_assert_held(&card->pcm_mutex);
1585 }
1586
_snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime * rtd)1587 static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd)
1588 {
1589 _snd_soc_dpcm_mutex_lock_c(rtd->card);
1590 }
1591
_snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime * rtd)1592 static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd)
1593 {
1594 _snd_soc_dpcm_mutex_unlock_c(rtd->card);
1595 }
1596
_snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime * rtd)1597 static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd)
1598 {
1599 _snd_soc_dpcm_mutex_assert_held_c(rtd->card);
1600 }
1601
1602 #define snd_soc_dpcm_mutex_lock(x) _Generic((x), \
1603 struct snd_soc_card * : _snd_soc_dpcm_mutex_lock_c, \
1604 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_lock_r)(x)
1605
1606 #define snd_soc_dpcm_mutex_unlock(x) _Generic((x), \
1607 struct snd_soc_card * : _snd_soc_dpcm_mutex_unlock_c, \
1608 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_unlock_r)(x)
1609
1610 #define snd_soc_dpcm_mutex_assert_held(x) _Generic((x), \
1611 struct snd_soc_card * : _snd_soc_dpcm_mutex_assert_held_c, \
1612 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_assert_held_r)(x)
1613
1614 #include <sound/soc-component.h>
1615 #include <sound/soc-card.h>
1616 #include <sound/soc-jack.h>
1617
1618 #endif
1619