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1 | /* | |
2 | * linux/sound/soc.h -- ALSA SoC Layer | |
3 | * | |
4 | * Author: Liam Girdwood | |
5 | * Created: Aug 11th 2005 | |
6 | * Copyright: Wolfson Microelectronics. PLC. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | */ | |
12 | ||
13 | #ifndef __LINUX_SND_SOC_H | |
14 | #define __LINUX_SND_SOC_H | |
15 | ||
16 | #include <linux/of.h> | |
17 | #include <linux/platform_device.h> | |
18 | #include <linux/types.h> | |
19 | #include <linux/notifier.h> | |
20 | #include <linux/workqueue.h> | |
21 | #include <linux/interrupt.h> | |
22 | #include <linux/kernel.h> | |
23 | #include <linux/regmap.h> | |
24 | #include <linux/log2.h> | |
25 | #include <sound/core.h> | |
26 | #include <sound/pcm.h> | |
27 | #include <sound/compress_driver.h> | |
28 | #include <sound/control.h> | |
29 | #include <sound/ac97_codec.h> | |
30 | ||
31 | /* | |
32 | * Convenience kcontrol builders | |
33 | */ | |
34 | #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \ | |
35 | ((unsigned long)&(struct soc_mixer_control) \ | |
36 | {.reg = xreg, .rreg = xreg, .shift = shift_left, \ | |
37 | .rshift = shift_right, .max = xmax, .platform_max = xmax, \ | |
38 | .invert = xinvert, .autodisable = xautodisable}) | |
39 | #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \ | |
40 | SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable) | |
41 | #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \ | |
42 | ((unsigned long)&(struct soc_mixer_control) \ | |
43 | {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert}) | |
44 | #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \ | |
45 | ((unsigned long)&(struct soc_mixer_control) \ | |
46 | {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ | |
47 | .max = xmax, .platform_max = xmax, .invert = xinvert}) | |
48 | #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \ | |
49 | ((unsigned long)&(struct soc_mixer_control) \ | |
50 | {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ | |
51 | .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \ | |
52 | .invert = xinvert}) | |
53 | #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \ | |
54 | ((unsigned long)&(struct soc_mixer_control) \ | |
55 | {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ | |
56 | .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert}) | |
57 | #define SOC_SINGLE(xname, reg, shift, max, invert) \ | |
58 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
59 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ | |
60 | .put = snd_soc_put_volsw, \ | |
61 | .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } | |
62 | #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \ | |
63 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ | |
64 | .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \ | |
65 | .put = snd_soc_put_volsw_range, \ | |
66 | .private_value = (unsigned long)&(struct soc_mixer_control) \ | |
67 | {.reg = xreg, .rreg = xreg, .shift = xshift, \ | |
68 | .rshift = xshift, .min = xmin, .max = xmax, \ | |
69 | .platform_max = xmax, .invert = xinvert} } | |
70 | #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ | |
71 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
72 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ | |
73 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | |
74 | .tlv.p = (tlv_array), \ | |
75 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ | |
76 | .put = snd_soc_put_volsw, \ | |
77 | .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } | |
78 | #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \ | |
79 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
80 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ | |
81 | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ | |
82 | .tlv.p = (tlv_array),\ | |
83 | .info = snd_soc_info_volsw, \ | |
84 | .get = snd_soc_get_volsw_sx,\ | |
85 | .put = snd_soc_put_volsw_sx, \ | |
86 | .private_value = (unsigned long)&(struct soc_mixer_control) \ | |
87 | {.reg = xreg, .rreg = xreg, \ | |
88 | .shift = xshift, .rshift = xshift, \ | |
89 | .max = xmax, .min = xmin} } | |
90 | #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \ | |
91 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ | |
92 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ | |
93 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | |
94 | .tlv.p = (tlv_array), \ | |
95 | .info = snd_soc_info_volsw_range, \ | |
96 | .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ | |
97 | .private_value = (unsigned long)&(struct soc_mixer_control) \ | |
98 | {.reg = xreg, .rreg = xreg, .shift = xshift, \ | |
99 | .rshift = xshift, .min = xmin, .max = xmax, \ | |
100 | .platform_max = xmax, .invert = xinvert} } | |
101 | #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \ | |
102 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ | |
103 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ | |
104 | .put = snd_soc_put_volsw, \ | |
105 | .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ | |
106 | max, invert, 0) } | |
107 | #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \ | |
108 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ | |
109 | .info = snd_soc_info_volsw, \ | |
110 | .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ | |
111 | .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ | |
112 | xmax, xinvert) } | |
113 | #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \ | |
114 | xmax, xinvert) \ | |
115 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ | |
116 | .info = snd_soc_info_volsw_range, \ | |
117 | .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ | |
118 | .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ | |
119 | xshift, xmin, xmax, xinvert) } | |
120 | #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \ | |
121 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ | |
122 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ | |
123 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | |
124 | .tlv.p = (tlv_array), \ | |
125 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ | |
126 | .put = snd_soc_put_volsw, \ | |
127 | .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ | |
128 | max, invert, 0) } | |
129 | #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \ | |
130 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ | |
131 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ | |
132 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | |
133 | .tlv.p = (tlv_array), \ | |
134 | .info = snd_soc_info_volsw, \ | |
135 | .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ | |
136 | .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ | |
137 | xmax, xinvert) } | |
138 | #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \ | |
139 | xmax, xinvert, tlv_array) \ | |
140 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ | |
141 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ | |
142 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | |
143 | .tlv.p = (tlv_array), \ | |
144 | .info = snd_soc_info_volsw_range, \ | |
145 | .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ | |
146 | .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ | |
147 | xshift, xmin, xmax, xinvert) } | |
148 | #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \ | |
149 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ | |
150 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ | |
151 | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ | |
152 | .tlv.p = (tlv_array), \ | |
153 | .info = snd_soc_info_volsw, \ | |
154 | .get = snd_soc_get_volsw_sx, \ | |
155 | .put = snd_soc_put_volsw_sx, \ | |
156 | .private_value = (unsigned long)&(struct soc_mixer_control) \ | |
157 | {.reg = xreg, .rreg = xrreg, \ | |
158 | .shift = xshift, .rshift = xshift, \ | |
159 | .max = xmax, .min = xmin} } | |
160 | #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \ | |
161 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ | |
162 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ | |
163 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | |
164 | .tlv.p = (tlv_array), \ | |
165 | .info = snd_soc_info_volsw, \ | |
166 | .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ | |
167 | .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \ | |
168 | xmin, xmax, xsign_bit, xinvert) } | |
169 | #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ | |
170 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ | |
171 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ | |
172 | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ | |
173 | .tlv.p = (tlv_array), \ | |
174 | .info = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \ | |
175 | .put = snd_soc_put_volsw_s8, \ | |
176 | .private_value = (unsigned long)&(struct soc_mixer_control) \ | |
177 | {.reg = xreg, .min = xmin, .max = xmax, \ | |
178 | .platform_max = xmax} } | |
179 | #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \ | |
180 | { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ | |
181 | .items = xitems, .texts = xtexts, \ | |
182 | .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0} | |
183 | #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \ | |
184 | SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts) | |
185 | #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \ | |
186 | { .items = xitems, .texts = xtexts } | |
187 | #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \ | |
188 | { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ | |
189 | .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues} | |
190 | #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xnitmes, xtexts, xvalues) \ | |
191 | SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xnitmes, xtexts, xvalues) | |
192 | #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \ | |
193 | SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts) | |
194 | #define SOC_ENUM(xname, xenum) \ | |
195 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ | |
196 | .info = snd_soc_info_enum_double, \ | |
197 | .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ | |
198 | .private_value = (unsigned long)&xenum } | |
199 | #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ | |
200 | xhandler_get, xhandler_put) \ | |
201 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
202 | .info = snd_soc_info_volsw, \ | |
203 | .get = xhandler_get, .put = xhandler_put, \ | |
204 | .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } | |
205 | #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\ | |
206 | xhandler_get, xhandler_put) \ | |
207 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ | |
208 | .info = snd_soc_info_volsw, \ | |
209 | .get = xhandler_get, .put = xhandler_put, \ | |
210 | .private_value = \ | |
211 | SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) } | |
212 | #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ | |
213 | xhandler_get, xhandler_put, tlv_array) \ | |
214 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
215 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ | |
216 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | |
217 | .tlv.p = (tlv_array), \ | |
218 | .info = snd_soc_info_volsw, \ | |
219 | .get = xhandler_get, .put = xhandler_put, \ | |
220 | .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } | |
221 | #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\ | |
222 | xhandler_get, xhandler_put, tlv_array) \ | |
223 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ | |
224 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ | |
225 | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ | |
226 | .tlv.p = (tlv_array), \ | |
227 | .info = snd_soc_info_volsw, \ | |
228 | .get = xhandler_get, .put = xhandler_put, \ | |
229 | .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \ | |
230 | xmax, xinvert, 0) } | |
231 | #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ | |
232 | xhandler_get, xhandler_put, tlv_array) \ | |
233 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ | |
234 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ | |
235 | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ | |
236 | .tlv.p = (tlv_array), \ | |
237 | .info = snd_soc_info_volsw, \ | |
238 | .get = xhandler_get, .put = xhandler_put, \ | |
239 | .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ | |
240 | xmax, xinvert) } | |
241 | #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ | |
242 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
243 | .info = snd_soc_info_bool_ext, \ | |
244 | .get = xhandler_get, .put = xhandler_put, \ | |
245 | .private_value = xdata } | |
246 | #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ | |
247 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
248 | .info = snd_soc_info_enum_double, \ | |
249 | .get = xhandler_get, .put = xhandler_put, \ | |
250 | .private_value = (unsigned long)&xenum } | |
251 | ||
252 | #define SND_SOC_BYTES(xname, xbase, xregs) \ | |
253 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
254 | .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ | |
255 | .put = snd_soc_bytes_put, .private_value = \ | |
256 | ((unsigned long)&(struct soc_bytes) \ | |
257 | {.base = xbase, .num_regs = xregs }) } | |
258 | ||
259 | #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ | |
260 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
261 | .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ | |
262 | .put = snd_soc_bytes_put, .private_value = \ | |
263 | ((unsigned long)&(struct soc_bytes) \ | |
264 | {.base = xbase, .num_regs = xregs, \ | |
265 | .mask = xmask }) } | |
266 | ||
267 | #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \ | |
268 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
269 | .info = snd_soc_bytes_info_ext, \ | |
270 | .get = xhandler_get, .put = xhandler_put, \ | |
271 | .private_value = (unsigned long)&(struct soc_bytes_ext) \ | |
272 | {.max = xcount} } | |
273 | ||
274 | #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ | |
275 | xmin, xmax, xinvert) \ | |
276 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ | |
277 | .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ | |
278 | .put = snd_soc_put_xr_sx, \ | |
279 | .private_value = (unsigned long)&(struct soc_mreg_control) \ | |
280 | {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ | |
281 | .invert = xinvert, .min = xmin, .max = xmax} } | |
282 | ||
283 | #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ | |
284 | SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ | |
285 | snd_soc_get_strobe, snd_soc_put_strobe) | |
286 | ||
287 | /* | |
288 | * Simplified versions of above macros, declaring a struct and calculating | |
289 | * ARRAY_SIZE internally | |
290 | */ | |
291 | #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ | |
292 | const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ | |
293 | ARRAY_SIZE(xtexts), xtexts) | |
294 | #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ | |
295 | SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) | |
296 | #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ | |
297 | const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) | |
298 | #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ | |
299 | const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ | |
300 | ARRAY_SIZE(xtexts), xtexts, xvalues) | |
301 | #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ | |
302 | SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) | |
303 | #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \ | |
304 | const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts) | |
305 | ||
306 | /* | |
307 | * Component probe and remove ordering levels for components with runtime | |
308 | * dependencies. | |
309 | */ | |
310 | #define SND_SOC_COMP_ORDER_FIRST -2 | |
311 | #define SND_SOC_COMP_ORDER_EARLY -1 | |
312 | #define SND_SOC_COMP_ORDER_NORMAL 0 | |
313 | #define SND_SOC_COMP_ORDER_LATE 1 | |
314 | #define SND_SOC_COMP_ORDER_LAST 2 | |
315 | ||
316 | /* | |
317 | * Bias levels | |
318 | * | |
319 | * @ON: Bias is fully on for audio playback and capture operations. | |
320 | * @PREPARE: Prepare for audio operations. Called before DAPM switching for | |
321 | * stream start and stop operations. | |
322 | * @STANDBY: Low power standby state when no playback/capture operations are | |
323 | * in progress. NOTE: The transition time between STANDBY and ON | |
324 | * should be as fast as possible and no longer than 10ms. | |
325 | * @OFF: Power Off. No restrictions on transition times. | |
326 | */ | |
327 | enum snd_soc_bias_level { | |
328 | SND_SOC_BIAS_OFF = 0, | |
329 | SND_SOC_BIAS_STANDBY = 1, | |
330 | SND_SOC_BIAS_PREPARE = 2, | |
331 | SND_SOC_BIAS_ON = 3, | |
332 | }; | |
333 | ||
334 | struct device_node; | |
335 | struct snd_jack; | |
336 | struct snd_soc_card; | |
337 | struct snd_soc_pcm_stream; | |
338 | struct snd_soc_ops; | |
339 | struct snd_soc_pcm_runtime; | |
340 | struct snd_soc_dai; | |
341 | struct snd_soc_dai_driver; | |
342 | struct snd_soc_platform; | |
343 | struct snd_soc_dai_link; | |
344 | struct snd_soc_platform_driver; | |
345 | struct snd_soc_codec; | |
346 | struct snd_soc_codec_driver; | |
347 | struct snd_soc_component; | |
348 | struct snd_soc_component_driver; | |
349 | struct soc_enum; | |
350 | struct snd_soc_jack; | |
351 | struct snd_soc_jack_zone; | |
352 | struct snd_soc_jack_pin; | |
353 | #include <sound/soc-dapm.h> | |
354 | #include <sound/soc-dpcm.h> | |
355 | ||
356 | struct snd_soc_jack_gpio; | |
357 | ||
358 | typedef int (*hw_write_t)(void *,const char* ,int); | |
359 | ||
360 | extern struct snd_ac97_bus_ops *soc_ac97_ops; | |
361 | ||
362 | enum snd_soc_pcm_subclass { | |
363 | SND_SOC_PCM_CLASS_PCM = 0, | |
364 | SND_SOC_PCM_CLASS_BE = 1, | |
365 | }; | |
366 | ||
367 | enum snd_soc_card_subclass { | |
368 | SND_SOC_CARD_CLASS_INIT = 0, | |
369 | SND_SOC_CARD_CLASS_RUNTIME = 1, | |
370 | }; | |
371 | ||
372 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
373 | int source, unsigned int freq, int dir); | |
374 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, | |
375 | unsigned int freq_in, unsigned int freq_out); | |
376 | ||
377 | int snd_soc_register_card(struct snd_soc_card *card); | |
378 | int snd_soc_unregister_card(struct snd_soc_card *card); | |
379 | int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); | |
380 | int snd_soc_suspend(struct device *dev); | |
381 | int snd_soc_resume(struct device *dev); | |
382 | int snd_soc_poweroff(struct device *dev); | |
383 | int snd_soc_register_platform(struct device *dev, | |
384 | const struct snd_soc_platform_driver *platform_drv); | |
385 | int devm_snd_soc_register_platform(struct device *dev, | |
386 | const struct snd_soc_platform_driver *platform_drv); | |
387 | void snd_soc_unregister_platform(struct device *dev); | |
388 | int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, | |
389 | const struct snd_soc_platform_driver *platform_drv); | |
390 | void snd_soc_remove_platform(struct snd_soc_platform *platform); | |
391 | struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev); | |
392 | int snd_soc_register_codec(struct device *dev, | |
393 | const struct snd_soc_codec_driver *codec_drv, | |
394 | struct snd_soc_dai_driver *dai_drv, int num_dai); | |
395 | void snd_soc_unregister_codec(struct device *dev); | |
396 | int snd_soc_register_component(struct device *dev, | |
397 | const struct snd_soc_component_driver *cmpnt_drv, | |
398 | struct snd_soc_dai_driver *dai_drv, int num_dai); | |
399 | int devm_snd_soc_register_component(struct device *dev, | |
400 | const struct snd_soc_component_driver *cmpnt_drv, | |
401 | struct snd_soc_dai_driver *dai_drv, int num_dai); | |
402 | void snd_soc_unregister_component(struct device *dev); | |
403 | int snd_soc_cache_sync(struct snd_soc_codec *codec); | |
404 | int snd_soc_cache_init(struct snd_soc_codec *codec); | |
405 | int snd_soc_cache_exit(struct snd_soc_codec *codec); | |
406 | int snd_soc_cache_write(struct snd_soc_codec *codec, | |
407 | unsigned int reg, unsigned int value); | |
408 | int snd_soc_cache_read(struct snd_soc_codec *codec, | |
409 | unsigned int reg, unsigned int *value); | |
410 | int snd_soc_platform_read(struct snd_soc_platform *platform, | |
411 | unsigned int reg); | |
412 | int snd_soc_platform_write(struct snd_soc_platform *platform, | |
413 | unsigned int reg, unsigned int val); | |
414 | int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); | |
415 | int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); | |
416 | ||
417 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, | |
418 | const char *dai_link, int stream); | |
419 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, | |
420 | const char *dai_link); | |
421 | ||
422 | bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); | |
423 | void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream); | |
424 | void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream); | |
425 | ||
426 | /* Utility functions to get clock rates from various things */ | |
427 | int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); | |
428 | int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); | |
429 | int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); | |
430 | int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); | |
431 | ||
432 | /* set runtime hw params */ | |
433 | int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, | |
434 | const struct snd_pcm_hardware *hw); | |
435 | ||
436 | int snd_soc_platform_trigger(struct snd_pcm_substream *substream, | |
437 | int cmd, struct snd_soc_platform *platform); | |
438 | ||
439 | /* Jack reporting */ | |
440 | int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type, | |
441 | struct snd_soc_jack *jack); | |
442 | void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask); | |
443 | int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count, | |
444 | struct snd_soc_jack_pin *pins); | |
445 | void snd_soc_jack_notifier_register(struct snd_soc_jack *jack, | |
446 | struct notifier_block *nb); | |
447 | void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack, | |
448 | struct notifier_block *nb); | |
449 | int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count, | |
450 | struct snd_soc_jack_zone *zones); | |
451 | int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage); | |
452 | #ifdef CONFIG_GPIOLIB | |
453 | int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, | |
454 | struct snd_soc_jack_gpio *gpios); | |
455 | int snd_soc_jack_add_gpiods(struct device *gpiod_dev, | |
456 | struct snd_soc_jack *jack, | |
457 | int count, struct snd_soc_jack_gpio *gpios); | |
458 | void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, | |
459 | struct snd_soc_jack_gpio *gpios); | |
460 | #else | |
461 | static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, | |
462 | struct snd_soc_jack_gpio *gpios) | |
463 | { | |
464 | return 0; | |
465 | } | |
466 | ||
467 | static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev, | |
468 | struct snd_soc_jack *jack, | |
469 | int count, | |
470 | struct snd_soc_jack_gpio *gpios) | |
471 | { | |
472 | return 0; | |
473 | } | |
474 | ||
475 | static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, | |
476 | struct snd_soc_jack_gpio *gpios) | |
477 | { | |
478 | } | |
479 | #endif | |
480 | ||
481 | /* codec register bit access */ | |
482 | int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg, | |
483 | unsigned int mask, unsigned int value); | |
484 | int snd_soc_update_bits_locked(struct snd_soc_codec *codec, | |
485 | unsigned int reg, unsigned int mask, | |
486 | unsigned int value); | |
487 | int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg, | |
488 | unsigned int mask, unsigned int value); | |
489 | ||
490 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, | |
491 | struct snd_ac97_bus_ops *ops, int num); | |
492 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec); | |
493 | ||
494 | int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); | |
495 | int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, | |
496 | struct platform_device *pdev); | |
497 | ||
498 | /* | |
499 | *Controls | |
500 | */ | |
501 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
502 | void *data, const char *long_name, | |
503 | const char *prefix); | |
504 | struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, | |
505 | const char *name); | |
506 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, | |
507 | const struct snd_kcontrol_new *controls, int num_controls); | |
508 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, | |
509 | const struct snd_kcontrol_new *controls, int num_controls); | |
510 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, | |
511 | const struct snd_kcontrol_new *controls, int num_controls); | |
512 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, | |
513 | const struct snd_kcontrol_new *controls, int num_controls); | |
514 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, | |
515 | struct snd_ctl_elem_info *uinfo); | |
516 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, | |
517 | struct snd_ctl_elem_value *ucontrol); | |
518 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, | |
519 | struct snd_ctl_elem_value *ucontrol); | |
520 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, | |
521 | struct snd_ctl_elem_info *uinfo); | |
522 | #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info | |
523 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, | |
524 | struct snd_ctl_elem_value *ucontrol); | |
525 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, | |
526 | struct snd_ctl_elem_value *ucontrol); | |
527 | #define snd_soc_get_volsw_2r snd_soc_get_volsw | |
528 | #define snd_soc_put_volsw_2r snd_soc_put_volsw | |
529 | int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, | |
530 | struct snd_ctl_elem_value *ucontrol); | |
531 | int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, | |
532 | struct snd_ctl_elem_value *ucontrol); | |
533 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, | |
534 | struct snd_ctl_elem_info *uinfo); | |
535 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, | |
536 | struct snd_ctl_elem_value *ucontrol); | |
537 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, | |
538 | struct snd_ctl_elem_value *ucontrol); | |
539 | int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, | |
540 | struct snd_ctl_elem_info *uinfo); | |
541 | int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, | |
542 | struct snd_ctl_elem_value *ucontrol); | |
543 | int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, | |
544 | struct snd_ctl_elem_value *ucontrol); | |
545 | int snd_soc_limit_volume(struct snd_soc_codec *codec, | |
546 | const char *name, int max); | |
547 | int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, | |
548 | struct snd_ctl_elem_info *uinfo); | |
549 | int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, | |
550 | struct snd_ctl_elem_value *ucontrol); | |
551 | int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, | |
552 | struct snd_ctl_elem_value *ucontrol); | |
553 | int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, | |
554 | struct snd_ctl_elem_info *ucontrol); | |
555 | int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, | |
556 | struct snd_ctl_elem_info *uinfo); | |
557 | int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, | |
558 | struct snd_ctl_elem_value *ucontrol); | |
559 | int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, | |
560 | struct snd_ctl_elem_value *ucontrol); | |
561 | int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, | |
562 | struct snd_ctl_elem_value *ucontrol); | |
563 | int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, | |
564 | struct snd_ctl_elem_value *ucontrol); | |
565 | ||
566 | /** | |
567 | * struct snd_soc_jack_pin - Describes a pin to update based on jack detection | |
568 | * | |
569 | * @pin: name of the pin to update | |
570 | * @mask: bits to check for in reported jack status | |
571 | * @invert: if non-zero then pin is enabled when status is not reported | |
572 | */ | |
573 | struct snd_soc_jack_pin { | |
574 | struct list_head list; | |
575 | const char *pin; | |
576 | int mask; | |
577 | bool invert; | |
578 | }; | |
579 | ||
580 | /** | |
581 | * struct snd_soc_jack_zone - Describes voltage zones of jack detection | |
582 | * | |
583 | * @min_mv: start voltage in mv | |
584 | * @max_mv: end voltage in mv | |
585 | * @jack_type: type of jack that is expected for this voltage | |
586 | * @debounce_time: debounce_time for jack, codec driver should wait for this | |
587 | * duration before reading the adc for voltages | |
588 | * @:list: list container | |
589 | */ | |
590 | struct snd_soc_jack_zone { | |
591 | unsigned int min_mv; | |
592 | unsigned int max_mv; | |
593 | unsigned int jack_type; | |
594 | unsigned int debounce_time; | |
595 | struct list_head list; | |
596 | }; | |
597 | ||
598 | /** | |
599 | * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection | |
600 | * | |
601 | * @gpio: legacy gpio number | |
602 | * @idx: gpio descriptor index within the function of the GPIO | |
603 | * consumer device | |
604 | * @gpiod_dev GPIO consumer device | |
605 | * @name: gpio name. Also as connection ID for the GPIO consumer | |
606 | * device function name lookup | |
607 | * @report: value to report when jack detected | |
608 | * @invert: report presence in low state | |
609 | * @debouce_time: debouce time in ms | |
610 | * @wake: enable as wake source | |
611 | * @jack_status_check: callback function which overrides the detection | |
612 | * to provide more complex checks (eg, reading an | |
613 | * ADC). | |
614 | */ | |
615 | struct snd_soc_jack_gpio { | |
616 | unsigned int gpio; | |
617 | unsigned int idx; | |
618 | struct device *gpiod_dev; | |
619 | const char *name; | |
620 | int report; | |
621 | int invert; | |
622 | int debounce_time; | |
623 | bool wake; | |
624 | ||
625 | struct snd_soc_jack *jack; | |
626 | struct delayed_work work; | |
627 | struct gpio_desc *desc; | |
628 | ||
629 | void *data; | |
630 | int (*jack_status_check)(void *data); | |
631 | }; | |
632 | ||
633 | struct snd_soc_jack { | |
634 | struct mutex mutex; | |
635 | struct snd_jack *jack; | |
636 | struct snd_soc_codec *codec; | |
637 | struct list_head pins; | |
638 | int status; | |
639 | struct blocking_notifier_head notifier; | |
640 | struct list_head jack_zones; | |
641 | }; | |
642 | ||
643 | /* SoC PCM stream information */ | |
644 | struct snd_soc_pcm_stream { | |
645 | const char *stream_name; | |
646 | u64 formats; /* SNDRV_PCM_FMTBIT_* */ | |
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 | int (*trigger)(struct snd_compr_stream *); | |
670 | }; | |
671 | ||
672 | /* component interface */ | |
673 | struct snd_soc_component_driver { | |
674 | const char *name; | |
675 | ||
676 | /* DT */ | |
677 | int (*of_xlate_dai_name)(struct snd_soc_component *component, | |
678 | struct of_phandle_args *args, | |
679 | const char **dai_name); | |
680 | }; | |
681 | ||
682 | struct snd_soc_component { | |
683 | const char *name; | |
684 | int id; | |
685 | const char *name_prefix; | |
686 | struct device *dev; | |
687 | ||
688 | unsigned int active; | |
689 | ||
690 | unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ | |
691 | unsigned int registered_as_component:1; | |
692 | ||
693 | struct list_head list; | |
694 | ||
695 | struct snd_soc_dai_driver *dai_drv; | |
696 | int num_dai; | |
697 | ||
698 | const struct snd_soc_component_driver *driver; | |
699 | ||
700 | struct list_head dai_list; | |
701 | ||
702 | int (*read)(struct snd_soc_component *, unsigned int, unsigned int *); | |
703 | int (*write)(struct snd_soc_component *, unsigned int, unsigned int); | |
704 | ||
705 | struct regmap *regmap; | |
706 | int val_bytes; | |
707 | ||
708 | struct mutex io_mutex; | |
709 | ||
710 | /* Don't use these, use snd_soc_component_get_dapm() */ | |
711 | struct snd_soc_dapm_context dapm; | |
712 | struct snd_soc_dapm_context *dapm_ptr; | |
713 | }; | |
714 | ||
715 | /* SoC Audio Codec device */ | |
716 | struct snd_soc_codec { | |
717 | struct device *dev; | |
718 | const struct snd_soc_codec_driver *driver; | |
719 | ||
720 | struct mutex mutex; | |
721 | struct snd_soc_card *card; | |
722 | struct list_head list; | |
723 | struct list_head card_list; | |
724 | ||
725 | /* runtime */ | |
726 | struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */ | |
727 | unsigned int cache_bypass:1; /* Suppress access to the cache */ | |
728 | unsigned int suspended:1; /* Codec is in suspend PM state */ | |
729 | unsigned int probed:1; /* Codec has been probed */ | |
730 | unsigned int ac97_registered:1; /* Codec has been AC97 registered */ | |
731 | unsigned int ac97_created:1; /* Codec has been created by SoC */ | |
732 | unsigned int cache_init:1; /* codec cache has been initialized */ | |
733 | u32 cache_only; /* Suppress writes to hardware */ | |
734 | u32 cache_sync; /* Cache needs to be synced to hardware */ | |
735 | ||
736 | /* codec IO */ | |
737 | void *control_data; /* codec control (i2c/3wire) data */ | |
738 | hw_write_t hw_write; | |
739 | void *reg_cache; | |
740 | struct mutex cache_rw_mutex; | |
741 | ||
742 | /* component */ | |
743 | struct snd_soc_component component; | |
744 | ||
745 | /* dapm */ | |
746 | struct snd_soc_dapm_context dapm; | |
747 | ||
748 | #ifdef CONFIG_DEBUG_FS | |
749 | struct dentry *debugfs_codec_root; | |
750 | struct dentry *debugfs_reg; | |
751 | #endif | |
752 | }; | |
753 | ||
754 | /* codec driver */ | |
755 | struct snd_soc_codec_driver { | |
756 | ||
757 | /* driver ops */ | |
758 | int (*probe)(struct snd_soc_codec *); | |
759 | int (*remove)(struct snd_soc_codec *); | |
760 | int (*suspend)(struct snd_soc_codec *); | |
761 | int (*resume)(struct snd_soc_codec *); | |
762 | struct snd_soc_component_driver component_driver; | |
763 | ||
764 | /* Default control and setup, added after probe() is run */ | |
765 | const struct snd_kcontrol_new *controls; | |
766 | int num_controls; | |
767 | const struct snd_soc_dapm_widget *dapm_widgets; | |
768 | int num_dapm_widgets; | |
769 | const struct snd_soc_dapm_route *dapm_routes; | |
770 | int num_dapm_routes; | |
771 | ||
772 | /* codec wide operations */ | |
773 | int (*set_sysclk)(struct snd_soc_codec *codec, | |
774 | int clk_id, int source, unsigned int freq, int dir); | |
775 | int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source, | |
776 | unsigned int freq_in, unsigned int freq_out); | |
777 | ||
778 | /* codec IO */ | |
779 | struct regmap *(*get_regmap)(struct device *); | |
780 | unsigned int (*read)(struct snd_soc_codec *, unsigned int); | |
781 | int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); | |
782 | unsigned int reg_cache_size; | |
783 | short reg_cache_step; | |
784 | short reg_word_size; | |
785 | const void *reg_cache_default; | |
786 | ||
787 | /* codec bias level */ | |
788 | int (*set_bias_level)(struct snd_soc_codec *, | |
789 | enum snd_soc_bias_level level); | |
790 | bool idle_bias_off; | |
791 | ||
792 | void (*seq_notifier)(struct snd_soc_dapm_context *, | |
793 | enum snd_soc_dapm_type, int); | |
794 | ||
795 | /* codec stream completion event */ | |
796 | int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); | |
797 | ||
798 | bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */ | |
799 | ||
800 | /* probe ordering - for components with runtime dependencies */ | |
801 | int probe_order; | |
802 | int remove_order; | |
803 | }; | |
804 | ||
805 | /* SoC platform interface */ | |
806 | struct snd_soc_platform_driver { | |
807 | ||
808 | int (*probe)(struct snd_soc_platform *); | |
809 | int (*remove)(struct snd_soc_platform *); | |
810 | int (*suspend)(struct snd_soc_dai *dai); | |
811 | int (*resume)(struct snd_soc_dai *dai); | |
812 | struct snd_soc_component_driver component_driver; | |
813 | ||
814 | /* pcm creation and destruction */ | |
815 | int (*pcm_new)(struct snd_soc_pcm_runtime *); | |
816 | void (*pcm_free)(struct snd_pcm *); | |
817 | ||
818 | /* Default control and setup, added after probe() is run */ | |
819 | const struct snd_kcontrol_new *controls; | |
820 | int num_controls; | |
821 | const struct snd_soc_dapm_widget *dapm_widgets; | |
822 | int num_dapm_widgets; | |
823 | const struct snd_soc_dapm_route *dapm_routes; | |
824 | int num_dapm_routes; | |
825 | ||
826 | /* | |
827 | * For platform caused delay reporting. | |
828 | * Optional. | |
829 | */ | |
830 | snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *, | |
831 | struct snd_soc_dai *); | |
832 | ||
833 | /* platform stream pcm ops */ | |
834 | const struct snd_pcm_ops *ops; | |
835 | ||
836 | /* platform stream compress ops */ | |
837 | const struct snd_compr_ops *compr_ops; | |
838 | ||
839 | /* platform stream completion event */ | |
840 | int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); | |
841 | ||
842 | /* probe ordering - for components with runtime dependencies */ | |
843 | int probe_order; | |
844 | int remove_order; | |
845 | ||
846 | /* platform IO - used for platform DAPM */ | |
847 | unsigned int (*read)(struct snd_soc_platform *, unsigned int); | |
848 | int (*write)(struct snd_soc_platform *, unsigned int, unsigned int); | |
849 | int (*bespoke_trigger)(struct snd_pcm_substream *, int); | |
850 | }; | |
851 | ||
852 | struct snd_soc_platform { | |
853 | struct device *dev; | |
854 | const struct snd_soc_platform_driver *driver; | |
855 | ||
856 | unsigned int suspended:1; /* platform is suspended */ | |
857 | unsigned int probed:1; | |
858 | ||
859 | struct snd_soc_card *card; | |
860 | struct list_head list; | |
861 | struct list_head card_list; | |
862 | ||
863 | struct snd_soc_component component; | |
864 | ||
865 | struct snd_soc_dapm_context dapm; | |
866 | ||
867 | #ifdef CONFIG_DEBUG_FS | |
868 | struct dentry *debugfs_platform_root; | |
869 | #endif | |
870 | }; | |
871 | ||
872 | struct snd_soc_dai_link { | |
873 | /* config - must be set by machine driver */ | |
874 | const char *name; /* Codec name */ | |
875 | const char *stream_name; /* Stream name */ | |
876 | /* | |
877 | * You MAY specify the link's CPU-side device, either by device name, | |
878 | * or by DT/OF node, but not both. If this information is omitted, | |
879 | * the CPU-side DAI is matched using .cpu_dai_name only, which hence | |
880 | * must be globally unique. These fields are currently typically used | |
881 | * only for codec to codec links, or systems using device tree. | |
882 | */ | |
883 | const char *cpu_name; | |
884 | const struct device_node *cpu_of_node; | |
885 | /* | |
886 | * You MAY specify the DAI name of the CPU DAI. If this information is | |
887 | * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node | |
888 | * only, which only works well when that device exposes a single DAI. | |
889 | */ | |
890 | const char *cpu_dai_name; | |
891 | /* | |
892 | * You MUST specify the link's codec, either by device name, or by | |
893 | * DT/OF node, but not both. | |
894 | */ | |
895 | const char *codec_name; | |
896 | const struct device_node *codec_of_node; | |
897 | /* You MUST specify the DAI name within the codec */ | |
898 | const char *codec_dai_name; | |
899 | /* | |
900 | * You MAY specify the link's platform/PCM/DMA driver, either by | |
901 | * device name, or by DT/OF node, but not both. Some forms of link | |
902 | * do not need a platform. | |
903 | */ | |
904 | const char *platform_name; | |
905 | const struct device_node *platform_of_node; | |
906 | int be_id; /* optional ID for machine driver BE identification */ | |
907 | ||
908 | const struct snd_soc_pcm_stream *params; | |
909 | ||
910 | unsigned int dai_fmt; /* format to set on init */ | |
911 | ||
912 | enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ | |
913 | ||
914 | /* Keep DAI active over suspend */ | |
915 | unsigned int ignore_suspend:1; | |
916 | ||
917 | /* Symmetry requirements */ | |
918 | unsigned int symmetric_rates:1; | |
919 | unsigned int symmetric_channels:1; | |
920 | unsigned int symmetric_samplebits:1; | |
921 | ||
922 | /* Do not create a PCM for this DAI link (Backend link) */ | |
923 | unsigned int no_pcm:1; | |
924 | ||
925 | /* This DAI link can route to other DAI links at runtime (Frontend)*/ | |
926 | unsigned int dynamic:1; | |
927 | ||
928 | /* DPCM capture and Playback support */ | |
929 | unsigned int dpcm_capture:1; | |
930 | unsigned int dpcm_playback:1; | |
931 | ||
932 | /* pmdown_time is ignored at stop */ | |
933 | unsigned int ignore_pmdown_time:1; | |
934 | ||
935 | /* codec/machine specific init - e.g. add machine controls */ | |
936 | int (*init)(struct snd_soc_pcm_runtime *rtd); | |
937 | ||
938 | /* optional hw_params re-writing for BE and FE sync */ | |
939 | int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, | |
940 | struct snd_pcm_hw_params *params); | |
941 | ||
942 | /* machine stream operations */ | |
943 | const struct snd_soc_ops *ops; | |
944 | const struct snd_soc_compr_ops *compr_ops; | |
945 | ||
946 | /* For unidirectional dai links */ | |
947 | bool playback_only; | |
948 | bool capture_only; | |
949 | }; | |
950 | ||
951 | struct snd_soc_codec_conf { | |
952 | /* | |
953 | * specify device either by device name, or by | |
954 | * DT/OF node, but not both. | |
955 | */ | |
956 | const char *dev_name; | |
957 | const struct device_node *of_node; | |
958 | ||
959 | /* | |
960 | * optional map of kcontrol, widget and path name prefixes that are | |
961 | * associated per device | |
962 | */ | |
963 | const char *name_prefix; | |
964 | }; | |
965 | ||
966 | struct snd_soc_aux_dev { | |
967 | const char *name; /* Codec name */ | |
968 | ||
969 | /* | |
970 | * specify multi-codec either by device name, or by | |
971 | * DT/OF node, but not both. | |
972 | */ | |
973 | const char *codec_name; | |
974 | const struct device_node *codec_of_node; | |
975 | ||
976 | /* codec/machine specific init - e.g. add machine controls */ | |
977 | int (*init)(struct snd_soc_dapm_context *dapm); | |
978 | }; | |
979 | ||
980 | /* SoC card */ | |
981 | struct snd_soc_card { | |
982 | const char *name; | |
983 | const char *long_name; | |
984 | const char *driver_name; | |
985 | struct device *dev; | |
986 | struct snd_card *snd_card; | |
987 | struct module *owner; | |
988 | ||
989 | struct mutex mutex; | |
990 | struct mutex dapm_mutex; | |
991 | ||
992 | bool instantiated; | |
993 | ||
994 | int (*probe)(struct snd_soc_card *card); | |
995 | int (*late_probe)(struct snd_soc_card *card); | |
996 | int (*remove)(struct snd_soc_card *card); | |
997 | ||
998 | /* the pre and post PM functions are used to do any PM work before and | |
999 | * after the codec and DAI's do any PM work. */ | |
1000 | int (*suspend_pre)(struct snd_soc_card *card); | |
1001 | int (*suspend_post)(struct snd_soc_card *card); | |
1002 | int (*resume_pre)(struct snd_soc_card *card); | |
1003 | int (*resume_post)(struct snd_soc_card *card); | |
1004 | ||
1005 | /* callbacks */ | |
1006 | int (*set_bias_level)(struct snd_soc_card *, | |
1007 | struct snd_soc_dapm_context *dapm, | |
1008 | enum snd_soc_bias_level level); | |
1009 | int (*set_bias_level_post)(struct snd_soc_card *, | |
1010 | struct snd_soc_dapm_context *dapm, | |
1011 | enum snd_soc_bias_level level); | |
1012 | ||
1013 | long pmdown_time; | |
1014 | ||
1015 | /* CPU <--> Codec DAI links */ | |
1016 | struct snd_soc_dai_link *dai_link; | |
1017 | int num_links; | |
1018 | struct snd_soc_pcm_runtime *rtd; | |
1019 | int num_rtd; | |
1020 | ||
1021 | /* optional codec specific configuration */ | |
1022 | struct snd_soc_codec_conf *codec_conf; | |
1023 | int num_configs; | |
1024 | ||
1025 | /* | |
1026 | * optional auxiliary devices such as amplifiers or codecs with DAI | |
1027 | * link unused | |
1028 | */ | |
1029 | struct snd_soc_aux_dev *aux_dev; | |
1030 | int num_aux_devs; | |
1031 | struct snd_soc_pcm_runtime *rtd_aux; | |
1032 | int num_aux_rtd; | |
1033 | ||
1034 | const struct snd_kcontrol_new *controls; | |
1035 | int num_controls; | |
1036 | ||
1037 | /* | |
1038 | * Card-specific routes and widgets. | |
1039 | */ | |
1040 | const struct snd_soc_dapm_widget *dapm_widgets; | |
1041 | int num_dapm_widgets; | |
1042 | const struct snd_soc_dapm_route *dapm_routes; | |
1043 | int num_dapm_routes; | |
1044 | bool fully_routed; | |
1045 | ||
1046 | struct work_struct deferred_resume_work; | |
1047 | ||
1048 | /* lists of probed devices belonging to this card */ | |
1049 | struct list_head codec_dev_list; | |
1050 | struct list_head platform_dev_list; | |
1051 | ||
1052 | struct list_head widgets; | |
1053 | struct list_head paths; | |
1054 | struct list_head dapm_list; | |
1055 | struct list_head dapm_dirty; | |
1056 | ||
1057 | /* Generic DAPM context for the card */ | |
1058 | struct snd_soc_dapm_context dapm; | |
1059 | struct snd_soc_dapm_stats dapm_stats; | |
1060 | struct snd_soc_dapm_update *update; | |
1061 | ||
1062 | #ifdef CONFIG_DEBUG_FS | |
1063 | struct dentry *debugfs_card_root; | |
1064 | struct dentry *debugfs_pop_time; | |
1065 | #endif | |
1066 | u32 pop_time; | |
1067 | ||
1068 | void *drvdata; | |
1069 | }; | |
1070 | ||
1071 | /* SoC machine DAI configuration, glues a codec and cpu DAI together */ | |
1072 | struct snd_soc_pcm_runtime { | |
1073 | struct device *dev; | |
1074 | struct snd_soc_card *card; | |
1075 | struct snd_soc_dai_link *dai_link; | |
1076 | struct mutex pcm_mutex; | |
1077 | enum snd_soc_pcm_subclass pcm_subclass; | |
1078 | struct snd_pcm_ops ops; | |
1079 | ||
1080 | unsigned int dev_registered:1; | |
1081 | ||
1082 | /* Dynamic PCM BE runtime data */ | |
1083 | struct snd_soc_dpcm_runtime dpcm[2]; | |
1084 | int fe_compr; | |
1085 | ||
1086 | long pmdown_time; | |
1087 | unsigned char pop_wait:1; | |
1088 | ||
1089 | /* runtime devices */ | |
1090 | struct snd_pcm *pcm; | |
1091 | struct snd_compr *compr; | |
1092 | struct snd_soc_codec *codec; | |
1093 | struct snd_soc_platform *platform; | |
1094 | struct snd_soc_dai *codec_dai; | |
1095 | struct snd_soc_dai *cpu_dai; | |
1096 | ||
1097 | struct delayed_work delayed_work; | |
1098 | #ifdef CONFIG_DEBUG_FS | |
1099 | struct dentry *debugfs_dpcm_root; | |
1100 | struct dentry *debugfs_dpcm_state; | |
1101 | #endif | |
1102 | }; | |
1103 | ||
1104 | /* mixer control */ | |
1105 | struct soc_mixer_control { | |
1106 | int min, max, platform_max; | |
1107 | int reg, rreg; | |
1108 | unsigned int shift, rshift; | |
1109 | unsigned int sign_bit; | |
1110 | unsigned int invert:1; | |
1111 | unsigned int autodisable:1; | |
1112 | }; | |
1113 | ||
1114 | struct soc_bytes { | |
1115 | int base; | |
1116 | int num_regs; | |
1117 | u32 mask; | |
1118 | }; | |
1119 | ||
1120 | struct soc_bytes_ext { | |
1121 | int max; | |
1122 | }; | |
1123 | ||
1124 | /* multi register control */ | |
1125 | struct soc_mreg_control { | |
1126 | long min, max; | |
1127 | unsigned int regbase, regcount, nbits, invert; | |
1128 | }; | |
1129 | ||
1130 | /* enumerated kcontrol */ | |
1131 | struct soc_enum { | |
1132 | int reg; | |
1133 | unsigned char shift_l; | |
1134 | unsigned char shift_r; | |
1135 | unsigned int items; | |
1136 | unsigned int mask; | |
1137 | const char * const *texts; | |
1138 | const unsigned int *values; | |
1139 | }; | |
1140 | ||
1141 | /** | |
1142 | * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in | |
1143 | * @component: The component to cast to a CODEC | |
1144 | * | |
1145 | * This function must only be used on components that are known to be CODECs. | |
1146 | * Otherwise the behavior is undefined. | |
1147 | */ | |
1148 | static inline struct snd_soc_codec *snd_soc_component_to_codec( | |
1149 | struct snd_soc_component *component) | |
1150 | { | |
1151 | return container_of(component, struct snd_soc_codec, component); | |
1152 | } | |
1153 | ||
1154 | /** | |
1155 | * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in | |
1156 | * @component: The component to cast to a platform | |
1157 | * | |
1158 | * This function must only be used on components that are known to be platforms. | |
1159 | * Otherwise the behavior is undefined. | |
1160 | */ | |
1161 | static inline struct snd_soc_platform *snd_soc_component_to_platform( | |
1162 | struct snd_soc_component *component) | |
1163 | { | |
1164 | return container_of(component, struct snd_soc_platform, component); | |
1165 | } | |
1166 | ||
1167 | /** | |
1168 | * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is | |
1169 | * embedded in | |
1170 | * @dapm: The DAPM context to cast to the component | |
1171 | * | |
1172 | * This function must only be used on DAPM contexts that are known to be part of | |
1173 | * a component (e.g. in a component driver). Otherwise the behavior is | |
1174 | * undefined. | |
1175 | */ | |
1176 | static inline struct snd_soc_component *snd_soc_dapm_to_component( | |
1177 | struct snd_soc_dapm_context *dapm) | |
1178 | { | |
1179 | return container_of(dapm, struct snd_soc_component, dapm); | |
1180 | } | |
1181 | ||
1182 | /** | |
1183 | * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in | |
1184 | * @dapm: The DAPM context to cast to the CODEC | |
1185 | * | |
1186 | * This function must only be used on DAPM contexts that are known to be part of | |
1187 | * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined. | |
1188 | */ | |
1189 | static inline struct snd_soc_codec *snd_soc_dapm_to_codec( | |
1190 | struct snd_soc_dapm_context *dapm) | |
1191 | { | |
1192 | return container_of(dapm, struct snd_soc_codec, dapm); | |
1193 | } | |
1194 | ||
1195 | /** | |
1196 | * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is | |
1197 | * embedded in | |
1198 | * @dapm: The DAPM context to cast to the platform. | |
1199 | * | |
1200 | * This function must only be used on DAPM contexts that are known to be part of | |
1201 | * a platform (e.g. in a platform driver). Otherwise the behavior is undefined. | |
1202 | */ | |
1203 | static inline struct snd_soc_platform *snd_soc_dapm_to_platform( | |
1204 | struct snd_soc_dapm_context *dapm) | |
1205 | { | |
1206 | return container_of(dapm, struct snd_soc_platform, dapm); | |
1207 | } | |
1208 | ||
1209 | /** | |
1210 | * snd_soc_component_get_dapm() - Returns the DAPM context associated with a | |
1211 | * component | |
1212 | * @component: The component for which to get the DAPM context | |
1213 | */ | |
1214 | static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm( | |
1215 | struct snd_soc_component *component) | |
1216 | { | |
1217 | return component->dapm_ptr; | |
1218 | } | |
1219 | ||
1220 | /* codec IO */ | |
1221 | unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg); | |
1222 | int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg, | |
1223 | unsigned int val); | |
1224 | ||
1225 | /* component IO */ | |
1226 | int snd_soc_component_read(struct snd_soc_component *component, | |
1227 | unsigned int reg, unsigned int *val); | |
1228 | int snd_soc_component_write(struct snd_soc_component *component, | |
1229 | unsigned int reg, unsigned int val); | |
1230 | int snd_soc_component_update_bits(struct snd_soc_component *component, | |
1231 | unsigned int reg, unsigned int mask, unsigned int val); | |
1232 | int snd_soc_component_update_bits_async(struct snd_soc_component *component, | |
1233 | unsigned int reg, unsigned int mask, unsigned int val); | |
1234 | void snd_soc_component_async_complete(struct snd_soc_component *component); | |
1235 | int snd_soc_component_test_bits(struct snd_soc_component *component, | |
1236 | unsigned int reg, unsigned int mask, unsigned int value); | |
1237 | ||
1238 | int snd_soc_component_init_io(struct snd_soc_component *component, | |
1239 | struct regmap *regmap); | |
1240 | ||
1241 | /* device driver data */ | |
1242 | ||
1243 | static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card, | |
1244 | void *data) | |
1245 | { | |
1246 | card->drvdata = data; | |
1247 | } | |
1248 | ||
1249 | static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card) | |
1250 | { | |
1251 | return card->drvdata; | |
1252 | } | |
1253 | ||
1254 | static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec, | |
1255 | void *data) | |
1256 | { | |
1257 | dev_set_drvdata(codec->dev, data); | |
1258 | } | |
1259 | ||
1260 | static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec) | |
1261 | { | |
1262 | return dev_get_drvdata(codec->dev); | |
1263 | } | |
1264 | ||
1265 | static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform, | |
1266 | void *data) | |
1267 | { | |
1268 | dev_set_drvdata(platform->dev, data); | |
1269 | } | |
1270 | ||
1271 | static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform) | |
1272 | { | |
1273 | return dev_get_drvdata(platform->dev); | |
1274 | } | |
1275 | ||
1276 | static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd, | |
1277 | void *data) | |
1278 | { | |
1279 | dev_set_drvdata(rtd->dev, data); | |
1280 | } | |
1281 | ||
1282 | static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd) | |
1283 | { | |
1284 | return dev_get_drvdata(rtd->dev); | |
1285 | } | |
1286 | ||
1287 | static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) | |
1288 | { | |
1289 | INIT_LIST_HEAD(&card->codec_dev_list); | |
1290 | INIT_LIST_HEAD(&card->platform_dev_list); | |
1291 | INIT_LIST_HEAD(&card->widgets); | |
1292 | INIT_LIST_HEAD(&card->paths); | |
1293 | INIT_LIST_HEAD(&card->dapm_list); | |
1294 | } | |
1295 | ||
1296 | static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) | |
1297 | { | |
1298 | if (mc->reg == mc->rreg && mc->shift == mc->rshift) | |
1299 | return 0; | |
1300 | /* | |
1301 | * mc->reg == mc->rreg && mc->shift != mc->rshift, or | |
1302 | * mc->reg != mc->rreg means that the control is | |
1303 | * stereo (bits in one register or in two registers) | |
1304 | */ | |
1305 | return 1; | |
1306 | } | |
1307 | ||
1308 | static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e, | |
1309 | unsigned int val) | |
1310 | { | |
1311 | unsigned int i; | |
1312 | ||
1313 | if (!e->values) | |
1314 | return val; | |
1315 | ||
1316 | for (i = 0; i < e->items; i++) | |
1317 | if (val == e->values[i]) | |
1318 | return i; | |
1319 | ||
1320 | return 0; | |
1321 | } | |
1322 | ||
1323 | static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e, | |
1324 | unsigned int item) | |
1325 | { | |
1326 | if (!e->values) | |
1327 | return item; | |
1328 | ||
1329 | return e->values[item]; | |
1330 | } | |
1331 | ||
1332 | static inline bool snd_soc_component_is_active( | |
1333 | struct snd_soc_component *component) | |
1334 | { | |
1335 | return component->active != 0; | |
1336 | } | |
1337 | ||
1338 | static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec) | |
1339 | { | |
1340 | return snd_soc_component_is_active(&codec->component); | |
1341 | } | |
1342 | ||
1343 | /** | |
1344 | * snd_soc_kcontrol_component() - Returns the component that registered the | |
1345 | * control | |
1346 | * @kcontrol: The control for which to get the component | |
1347 | * | |
1348 | * Note: This function will work correctly if the control has been registered | |
1349 | * for a component. Either with snd_soc_add_codec_controls() or | |
1350 | * snd_soc_add_platform_controls() or via table based setup for either a | |
1351 | * CODEC, a platform or component driver. Otherwise the behavior is undefined. | |
1352 | */ | |
1353 | static inline struct snd_soc_component *snd_soc_kcontrol_component( | |
1354 | struct snd_kcontrol *kcontrol) | |
1355 | { | |
1356 | return snd_kcontrol_chip(kcontrol); | |
1357 | } | |
1358 | ||
1359 | /** | |
1360 | * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control | |
1361 | * @kcontrol: The control for which to get the CODEC | |
1362 | * | |
1363 | * Note: This function will only work correctly if the control has been | |
1364 | * registered with snd_soc_add_codec_controls() or via table based setup of | |
1365 | * snd_soc_codec_driver. Otherwise the behavior is undefined. | |
1366 | */ | |
1367 | static inline struct snd_soc_codec *snd_soc_kcontrol_codec( | |
1368 | struct snd_kcontrol *kcontrol) | |
1369 | { | |
1370 | return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol)); | |
1371 | } | |
1372 | ||
1373 | /** | |
1374 | * snd_soc_kcontrol_platform() - Returns the platform that registerd the control | |
1375 | * @kcontrol: The control for which to get the platform | |
1376 | * | |
1377 | * Note: This function will only work correctly if the control has been | |
1378 | * registered with snd_soc_add_platform_controls() or via table based setup of | |
1379 | * a snd_soc_platform_driver. Otherwise the behavior is undefined. | |
1380 | */ | |
1381 | static inline struct snd_soc_platform *snd_soc_kcontrol_platform( | |
1382 | struct snd_kcontrol *kcontrol) | |
1383 | { | |
1384 | return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol)); | |
1385 | } | |
1386 | ||
1387 | int snd_soc_util_init(void); | |
1388 | void snd_soc_util_exit(void); | |
1389 | ||
1390 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, | |
1391 | const char *propname); | |
1392 | int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, | |
1393 | const char *propname); | |
1394 | int snd_soc_of_parse_tdm_slot(struct device_node *np, | |
1395 | unsigned int *slots, | |
1396 | unsigned int *slot_width); | |
1397 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, | |
1398 | const char *propname); | |
1399 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, | |
1400 | const char *prefix, | |
1401 | struct device_node **bitclkmaster, | |
1402 | struct device_node **framemaster); | |
1403 | int snd_soc_of_get_dai_name(struct device_node *of_node, | |
1404 | const char **dai_name); | |
1405 | ||
1406 | #include <sound/soc-dai.h> | |
1407 | ||
1408 | #ifdef CONFIG_DEBUG_FS | |
1409 | extern struct dentry *snd_soc_debugfs_root; | |
1410 | #endif | |
1411 | ||
1412 | extern const struct dev_pm_ops snd_soc_pm_ops; | |
1413 | ||
1414 | /* Helper functions */ | |
1415 | static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm) | |
1416 | { | |
1417 | mutex_lock(&dapm->card->dapm_mutex); | |
1418 | } | |
1419 | ||
1420 | static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) | |
1421 | { | |
1422 | mutex_unlock(&dapm->card->dapm_mutex); | |
1423 | } | |
1424 | ||
1425 | #endif |