2 * linux/sound/soc.h -- ALSA SoC Layer
4 * Author: Liam Girdwood
5 * Created: Aug 11th 2005
6 * Copyright: Wolfson Microelectronics. PLC.
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.
13 #ifndef __LINUX_SND_SOC_H
14 #define __LINUX_SND_SOC_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>
32 * Convenience kcontrol builders
34 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
35 ((unsigned long)&(struct soc_mixer_control) \
36 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
37 .rshift = shift_right, .max = xmax, .platform_max = xmax, \
38 .invert = xinvert, .autodisable = xautodisable})
39 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
40 ((unsigned long)&(struct soc_mixer_control) \
41 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
42 .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \
43 .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
44 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
45 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
46 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
47 ((unsigned long)&(struct soc_mixer_control) \
48 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
49 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
50 ((unsigned long)&(struct soc_mixer_control) \
51 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
52 .max = xmax, .platform_max = xmax, .invert = xinvert})
53 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
54 ((unsigned long)&(struct soc_mixer_control) \
55 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
56 .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
58 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
59 ((unsigned long)&(struct soc_mixer_control) \
60 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
61 .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
62 #define SOC_SINGLE(xname, reg, shift, max, invert) \
63 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
64 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
65 .put = snd_soc_put_volsw, \
66 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
67 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
68 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
69 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
70 .put = snd_soc_put_volsw_range, \
71 .private_value = (unsigned long)&(struct soc_mixer_control) \
72 {.reg = xreg, .rreg = xreg, .shift = xshift, \
73 .rshift = xshift, .min = xmin, .max = xmax, \
74 .platform_max = xmax, .invert = xinvert} }
75 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
76 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
77 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
78 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
79 .tlv.p = (tlv_array), \
80 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
81 .put = snd_soc_put_volsw, \
82 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
83 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
84 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
85 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
86 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
87 .tlv.p = (tlv_array),\
88 .info = snd_soc_info_volsw_sx, \
89 .get = snd_soc_get_volsw_sx,\
90 .put = snd_soc_put_volsw_sx, \
91 .private_value = (unsigned long)&(struct soc_mixer_control) \
92 {.reg = xreg, .rreg = xreg, \
93 .shift = xshift, .rshift = xshift, \
94 .max = xmax, .min = xmin} }
95 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
96 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
97 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
98 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
99 .tlv.p = (tlv_array), \
100 .info = snd_soc_info_volsw_range, \
101 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
102 .private_value = (unsigned long)&(struct soc_mixer_control) \
103 {.reg = xreg, .rreg = xreg, .shift = xshift, \
104 .rshift = xshift, .min = xmin, .max = xmax, \
105 .platform_max = xmax, .invert = xinvert} }
106 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
107 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
108 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
109 .put = snd_soc_put_volsw, \
110 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
112 #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
114 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
115 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
116 .access = SNDRV_CTL_ELEM_ACCESS_READ | \
117 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
118 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
120 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
121 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
122 .info = snd_soc_info_volsw, \
123 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
124 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
126 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
128 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
129 .info = snd_soc_info_volsw_range, \
130 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
131 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
132 xshift, xmin, xmax, xinvert) }
133 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
134 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
135 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
136 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
137 .tlv.p = (tlv_array), \
138 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
139 .put = snd_soc_put_volsw, \
140 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
142 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
143 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
144 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
145 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
146 .tlv.p = (tlv_array), \
147 .info = snd_soc_info_volsw, \
148 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
149 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
151 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
152 xmax, xinvert, tlv_array) \
153 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
154 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
155 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
156 .tlv.p = (tlv_array), \
157 .info = snd_soc_info_volsw_range, \
158 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
159 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
160 xshift, xmin, xmax, xinvert) }
161 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
162 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
163 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
164 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
165 .tlv.p = (tlv_array), \
166 .info = snd_soc_info_volsw_sx, \
167 .get = snd_soc_get_volsw_sx, \
168 .put = snd_soc_put_volsw_sx, \
169 .private_value = (unsigned long)&(struct soc_mixer_control) \
170 {.reg = xreg, .rreg = xrreg, \
171 .shift = xshift, .rshift = xshift, \
172 .max = xmax, .min = xmin} }
173 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
174 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
175 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
176 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
177 .tlv.p = (tlv_array), \
178 .info = snd_soc_info_volsw, \
179 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
180 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
181 xmin, xmax, xsign_bit, xinvert) }
182 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
183 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
184 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
185 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
186 .tlv.p = (tlv_array), \
187 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
188 .put = snd_soc_put_volsw, \
189 .private_value = (unsigned long)&(struct soc_mixer_control) \
190 {.reg = xreg, .rreg = xreg, \
191 .min = xmin, .max = xmax, .platform_max = xmax, \
193 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
194 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
195 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
196 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
197 .tlv.p = (tlv_array), \
198 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
199 .put = snd_soc_put_volsw, \
200 .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
201 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
202 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
203 .items = xitems, .texts = xtexts, \
204 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
205 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
206 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
207 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
208 { .items = xitems, .texts = xtexts }
209 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
210 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
211 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
212 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
213 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
214 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
215 { .reg = xreg, .shift_l = xshift, .shift_r = xshift, \
216 .mask = xmask, .items = xitems, .texts = xtexts, \
217 .values = xvalues, .autodisable = 1}
218 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
219 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
220 #define SOC_ENUM(xname, xenum) \
221 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
222 .info = snd_soc_info_enum_double, \
223 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
224 .private_value = (unsigned long)&xenum }
225 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
226 xhandler_get, xhandler_put) \
227 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
228 .info = snd_soc_info_volsw, \
229 .get = xhandler_get, .put = xhandler_put, \
230 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
231 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
232 xhandler_get, xhandler_put) \
233 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
234 .info = snd_soc_info_volsw, \
235 .get = xhandler_get, .put = xhandler_put, \
237 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
238 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
239 xhandler_get, xhandler_put) \
240 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
241 .info = snd_soc_info_volsw, \
242 .get = xhandler_get, .put = xhandler_put, \
243 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
245 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
246 xhandler_get, xhandler_put, tlv_array) \
247 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
248 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
249 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
250 .tlv.p = (tlv_array), \
251 .info = snd_soc_info_volsw, \
252 .get = xhandler_get, .put = xhandler_put, \
253 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
254 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \
255 xhandler_get, xhandler_put, tlv_array) \
256 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
257 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
258 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
259 .tlv.p = (tlv_array), \
260 .info = snd_soc_info_volsw_range, \
261 .get = xhandler_get, .put = xhandler_put, \
262 .private_value = (unsigned long)&(struct soc_mixer_control) \
263 {.reg = xreg, .rreg = xreg, .shift = xshift, \
264 .rshift = xshift, .min = xmin, .max = xmax, \
265 .platform_max = xmax, .invert = xinvert} }
266 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
267 xhandler_get, xhandler_put, tlv_array) \
268 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
269 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
270 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
271 .tlv.p = (tlv_array), \
272 .info = snd_soc_info_volsw, \
273 .get = xhandler_get, .put = xhandler_put, \
274 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
276 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
277 xhandler_get, xhandler_put, tlv_array) \
278 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
279 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
280 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
281 .tlv.p = (tlv_array), \
282 .info = snd_soc_info_volsw, \
283 .get = xhandler_get, .put = xhandler_put, \
284 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
286 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
287 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
288 .info = snd_soc_info_bool_ext, \
289 .get = xhandler_get, .put = xhandler_put, \
290 .private_value = xdata }
291 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
292 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
293 .info = snd_soc_info_enum_double, \
294 .get = xhandler_get, .put = xhandler_put, \
295 .private_value = (unsigned long)&xenum }
296 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
297 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
299 #define SND_SOC_BYTES(xname, xbase, xregs) \
300 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
301 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
302 .put = snd_soc_bytes_put, .private_value = \
303 ((unsigned long)&(struct soc_bytes) \
304 {.base = xbase, .num_regs = xregs }) }
306 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \
307 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
308 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
309 .put = snd_soc_bytes_put, .private_value = \
310 ((unsigned long)&(struct soc_bytes) \
311 {.base = xbase, .num_regs = xregs, \
315 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
317 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
318 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
319 .info = snd_soc_bytes_info_ext, \
320 .get = xhandler_get, .put = xhandler_put, \
321 .private_value = (unsigned long)&(struct soc_bytes_ext) \
323 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
324 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
325 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
326 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
327 .tlv.c = (snd_soc_bytes_tlv_callback), \
328 .info = snd_soc_bytes_info_ext, \
329 .private_value = (unsigned long)&(struct soc_bytes_ext) \
330 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
331 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
332 xmin, xmax, xinvert) \
333 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
334 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
335 .put = snd_soc_put_xr_sx, \
336 .private_value = (unsigned long)&(struct soc_mreg_control) \
337 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
338 .invert = xinvert, .min = xmin, .max = xmax} }
340 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
341 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
342 snd_soc_get_strobe, snd_soc_put_strobe)
345 * Simplified versions of above macros, declaring a struct and calculating
346 * ARRAY_SIZE internally
348 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
349 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
350 ARRAY_SIZE(xtexts), xtexts)
351 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
352 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
353 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
354 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
355 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
356 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
357 ARRAY_SIZE(xtexts), xtexts, xvalues)
358 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
359 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
361 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
362 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
363 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
365 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
366 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
369 * Component probe and remove ordering levels for components with runtime
372 #define SND_SOC_COMP_ORDER_FIRST -2
373 #define SND_SOC_COMP_ORDER_EARLY -1
374 #define SND_SOC_COMP_ORDER_NORMAL 0
375 #define SND_SOC_COMP_ORDER_LATE 1
376 #define SND_SOC_COMP_ORDER_LAST 2
381 * @ON: Bias is fully on for audio playback and capture operations.
382 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
383 * stream start and stop operations.
384 * @STANDBY: Low power standby state when no playback/capture operations are
385 * in progress. NOTE: The transition time between STANDBY and ON
386 * should be as fast as possible and no longer than 10ms.
387 * @OFF: Power Off. No restrictions on transition times.
389 enum snd_soc_bias_level
{
390 SND_SOC_BIAS_OFF
= 0,
391 SND_SOC_BIAS_STANDBY
= 1,
392 SND_SOC_BIAS_PREPARE
= 2,
399 struct snd_soc_pcm_stream
;
401 struct snd_soc_pcm_runtime
;
403 struct snd_soc_dai_driver
;
404 struct snd_soc_platform
;
405 struct snd_soc_dai_link
;
406 struct snd_soc_platform_driver
;
407 struct snd_soc_codec
;
408 struct snd_soc_codec_driver
;
409 struct snd_soc_component
;
410 struct snd_soc_component_driver
;
413 struct snd_soc_jack_zone
;
414 struct snd_soc_jack_pin
;
415 #include <sound/soc-dapm.h>
416 #include <sound/soc-dpcm.h>
417 #include <sound/soc-topology.h>
419 struct snd_soc_jack_gpio
;
421 typedef int (*hw_write_t
)(void *,const char* ,int);
423 enum snd_soc_pcm_subclass
{
424 SND_SOC_PCM_CLASS_PCM
= 0,
425 SND_SOC_PCM_CLASS_BE
= 1,
428 enum snd_soc_card_subclass
{
429 SND_SOC_CARD_CLASS_INIT
= 0,
430 SND_SOC_CARD_CLASS_RUNTIME
= 1,
433 int snd_soc_codec_set_sysclk(struct snd_soc_codec
*codec
, int clk_id
,
434 int source
, unsigned int freq
, int dir
);
435 int snd_soc_codec_set_pll(struct snd_soc_codec
*codec
, int pll_id
, int source
,
436 unsigned int freq_in
, unsigned int freq_out
);
437 int snd_soc_codec_set_jack(struct snd_soc_codec
*codec
,
438 struct snd_soc_jack
*jack
, void *data
);
440 int snd_soc_register_card(struct snd_soc_card
*card
);
441 int snd_soc_unregister_card(struct snd_soc_card
*card
);
442 int devm_snd_soc_register_card(struct device
*dev
, struct snd_soc_card
*card
);
443 #ifdef CONFIG_PM_SLEEP
444 int snd_soc_suspend(struct device
*dev
);
445 int snd_soc_resume(struct device
*dev
);
447 static inline int snd_soc_suspend(struct device
*dev
)
452 static inline int snd_soc_resume(struct device
*dev
)
457 int snd_soc_poweroff(struct device
*dev
);
458 int snd_soc_register_platform(struct device
*dev
,
459 const struct snd_soc_platform_driver
*platform_drv
);
460 int devm_snd_soc_register_platform(struct device
*dev
,
461 const struct snd_soc_platform_driver
*platform_drv
);
462 void snd_soc_unregister_platform(struct device
*dev
);
463 int snd_soc_add_platform(struct device
*dev
, struct snd_soc_platform
*platform
,
464 const struct snd_soc_platform_driver
*platform_drv
);
465 void snd_soc_remove_platform(struct snd_soc_platform
*platform
);
466 struct snd_soc_platform
*snd_soc_lookup_platform(struct device
*dev
);
467 int snd_soc_register_codec(struct device
*dev
,
468 const struct snd_soc_codec_driver
*codec_drv
,
469 struct snd_soc_dai_driver
*dai_drv
, int num_dai
);
470 void snd_soc_unregister_codec(struct device
*dev
);
471 int snd_soc_add_component(struct device
*dev
,
472 struct snd_soc_component
*component
,
473 const struct snd_soc_component_driver
*component_driver
,
474 struct snd_soc_dai_driver
*dai_drv
,
476 int snd_soc_register_component(struct device
*dev
,
477 const struct snd_soc_component_driver
*component_driver
,
478 struct snd_soc_dai_driver
*dai_drv
, int num_dai
);
479 int devm_snd_soc_register_component(struct device
*dev
,
480 const struct snd_soc_component_driver
*component_driver
,
481 struct snd_soc_dai_driver
*dai_drv
, int num_dai
);
482 void snd_soc_unregister_component(struct device
*dev
);
483 struct snd_soc_component
*snd_soc_lookup_component(struct device
*dev
,
484 const char *driver_name
);
485 int snd_soc_cache_init(struct snd_soc_codec
*codec
);
486 int snd_soc_cache_exit(struct snd_soc_codec
*codec
);
488 int snd_soc_platform_read(struct snd_soc_platform
*platform
,
490 int snd_soc_platform_write(struct snd_soc_platform
*platform
,
491 unsigned int reg
, unsigned int val
);
492 int soc_new_pcm(struct snd_soc_pcm_runtime
*rtd
, int num
);
493 #ifdef CONFIG_SND_SOC_COMPRESS
494 int snd_soc_new_compress(struct snd_soc_pcm_runtime
*rtd
, int num
);
497 struct snd_pcm_substream
*snd_soc_get_dai_substream(struct snd_soc_card
*card
,
498 const char *dai_link
, int stream
);
499 struct snd_soc_pcm_runtime
*snd_soc_get_pcm_runtime(struct snd_soc_card
*card
,
500 const char *dai_link
);
502 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime
*rtd
);
503 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime
*rtd
, int stream
);
504 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime
*rtd
, int stream
);
506 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime
*rtd
,
507 unsigned int dai_fmt
);
510 int snd_soc_set_dmi_name(struct snd_soc_card
*card
, const char *flavour
);
512 static inline int snd_soc_set_dmi_name(struct snd_soc_card
*card
,
519 /* Utility functions to get clock rates from various things */
520 int snd_soc_calc_frame_size(int sample_size
, int channels
, int tdm_slots
);
521 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params
*params
);
522 int snd_soc_calc_bclk(int fs
, int sample_size
, int channels
, int tdm_slots
);
523 int snd_soc_params_to_bclk(struct snd_pcm_hw_params
*parms
);
525 /* set runtime hw params */
526 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream
*substream
,
527 const struct snd_pcm_hardware
*hw
);
529 int soc_dai_hw_params(struct snd_pcm_substream
*substream
,
530 struct snd_pcm_hw_params
*params
,
531 struct snd_soc_dai
*dai
);
534 int snd_soc_card_jack_new(struct snd_soc_card
*card
, const char *id
, int type
,
535 struct snd_soc_jack
*jack
, struct snd_soc_jack_pin
*pins
,
536 unsigned int num_pins
);
538 void snd_soc_jack_report(struct snd_soc_jack
*jack
, int status
, int mask
);
539 int snd_soc_jack_add_pins(struct snd_soc_jack
*jack
, int count
,
540 struct snd_soc_jack_pin
*pins
);
541 void snd_soc_jack_notifier_register(struct snd_soc_jack
*jack
,
542 struct notifier_block
*nb
);
543 void snd_soc_jack_notifier_unregister(struct snd_soc_jack
*jack
,
544 struct notifier_block
*nb
);
545 int snd_soc_jack_add_zones(struct snd_soc_jack
*jack
, int count
,
546 struct snd_soc_jack_zone
*zones
);
547 int snd_soc_jack_get_type(struct snd_soc_jack
*jack
, int micbias_voltage
);
548 #ifdef CONFIG_GPIOLIB
549 int snd_soc_jack_add_gpios(struct snd_soc_jack
*jack
, int count
,
550 struct snd_soc_jack_gpio
*gpios
);
551 int snd_soc_jack_add_gpiods(struct device
*gpiod_dev
,
552 struct snd_soc_jack
*jack
,
553 int count
, struct snd_soc_jack_gpio
*gpios
);
554 void snd_soc_jack_free_gpios(struct snd_soc_jack
*jack
, int count
,
555 struct snd_soc_jack_gpio
*gpios
);
557 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack
*jack
, int count
,
558 struct snd_soc_jack_gpio
*gpios
)
563 static inline int snd_soc_jack_add_gpiods(struct device
*gpiod_dev
,
564 struct snd_soc_jack
*jack
,
566 struct snd_soc_jack_gpio
*gpios
)
571 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack
*jack
, int count
,
572 struct snd_soc_jack_gpio
*gpios
)
577 /* codec register bit access */
578 int snd_soc_update_bits(struct snd_soc_codec
*codec
, unsigned int reg
,
579 unsigned int mask
, unsigned int value
);
580 int snd_soc_update_bits_locked(struct snd_soc_codec
*codec
,
581 unsigned int reg
, unsigned int mask
,
583 int snd_soc_test_bits(struct snd_soc_codec
*codec
, unsigned int reg
,
584 unsigned int mask
, unsigned int value
);
586 #ifdef CONFIG_SND_SOC_AC97_BUS
587 struct snd_ac97
*snd_soc_alloc_ac97_codec(struct snd_soc_codec
*codec
);
588 struct snd_ac97
*snd_soc_new_ac97_codec(struct snd_soc_codec
*codec
,
589 unsigned int id
, unsigned int id_mask
);
590 void snd_soc_free_ac97_codec(struct snd_ac97
*ac97
);
592 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops
*ops
);
593 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops
*ops
,
594 struct platform_device
*pdev
);
596 extern struct snd_ac97_bus_ops
*soc_ac97_ops
;
598 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops
*ops
,
599 struct platform_device
*pdev
)
604 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops
*ops
)
613 struct snd_kcontrol
*snd_soc_cnew(const struct snd_kcontrol_new
*_template
,
614 void *data
, const char *long_name
,
616 struct snd_kcontrol
*snd_soc_card_get_kcontrol(struct snd_soc_card
*soc_card
,
618 int snd_soc_add_component_controls(struct snd_soc_component
*component
,
619 const struct snd_kcontrol_new
*controls
, unsigned int num_controls
);
620 int snd_soc_add_codec_controls(struct snd_soc_codec
*codec
,
621 const struct snd_kcontrol_new
*controls
, unsigned int num_controls
);
622 int snd_soc_add_platform_controls(struct snd_soc_platform
*platform
,
623 const struct snd_kcontrol_new
*controls
, unsigned int num_controls
);
624 int snd_soc_add_card_controls(struct snd_soc_card
*soc_card
,
625 const struct snd_kcontrol_new
*controls
, int num_controls
);
626 int snd_soc_add_dai_controls(struct snd_soc_dai
*dai
,
627 const struct snd_kcontrol_new
*controls
, int num_controls
);
628 int snd_soc_info_enum_double(struct snd_kcontrol
*kcontrol
,
629 struct snd_ctl_elem_info
*uinfo
);
630 int snd_soc_get_enum_double(struct snd_kcontrol
*kcontrol
,
631 struct snd_ctl_elem_value
*ucontrol
);
632 int snd_soc_put_enum_double(struct snd_kcontrol
*kcontrol
,
633 struct snd_ctl_elem_value
*ucontrol
);
634 int snd_soc_info_volsw(struct snd_kcontrol
*kcontrol
,
635 struct snd_ctl_elem_info
*uinfo
);
636 int snd_soc_info_volsw_sx(struct snd_kcontrol
*kcontrol
,
637 struct snd_ctl_elem_info
*uinfo
);
638 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
639 int snd_soc_get_volsw(struct snd_kcontrol
*kcontrol
,
640 struct snd_ctl_elem_value
*ucontrol
);
641 int snd_soc_put_volsw(struct snd_kcontrol
*kcontrol
,
642 struct snd_ctl_elem_value
*ucontrol
);
643 #define snd_soc_get_volsw_2r snd_soc_get_volsw
644 #define snd_soc_put_volsw_2r snd_soc_put_volsw
645 int snd_soc_get_volsw_sx(struct snd_kcontrol
*kcontrol
,
646 struct snd_ctl_elem_value
*ucontrol
);
647 int snd_soc_put_volsw_sx(struct snd_kcontrol
*kcontrol
,
648 struct snd_ctl_elem_value
*ucontrol
);
649 int snd_soc_info_volsw_range(struct snd_kcontrol
*kcontrol
,
650 struct snd_ctl_elem_info
*uinfo
);
651 int snd_soc_put_volsw_range(struct snd_kcontrol
*kcontrol
,
652 struct snd_ctl_elem_value
*ucontrol
);
653 int snd_soc_get_volsw_range(struct snd_kcontrol
*kcontrol
,
654 struct snd_ctl_elem_value
*ucontrol
);
655 int snd_soc_limit_volume(struct snd_soc_card
*card
,
656 const char *name
, int max
);
657 int snd_soc_bytes_info(struct snd_kcontrol
*kcontrol
,
658 struct snd_ctl_elem_info
*uinfo
);
659 int snd_soc_bytes_get(struct snd_kcontrol
*kcontrol
,
660 struct snd_ctl_elem_value
*ucontrol
);
661 int snd_soc_bytes_put(struct snd_kcontrol
*kcontrol
,
662 struct snd_ctl_elem_value
*ucontrol
);
663 int snd_soc_bytes_info_ext(struct snd_kcontrol
*kcontrol
,
664 struct snd_ctl_elem_info
*ucontrol
);
665 int snd_soc_bytes_tlv_callback(struct snd_kcontrol
*kcontrol
, int op_flag
,
666 unsigned int size
, unsigned int __user
*tlv
);
667 int snd_soc_info_xr_sx(struct snd_kcontrol
*kcontrol
,
668 struct snd_ctl_elem_info
*uinfo
);
669 int snd_soc_get_xr_sx(struct snd_kcontrol
*kcontrol
,
670 struct snd_ctl_elem_value
*ucontrol
);
671 int snd_soc_put_xr_sx(struct snd_kcontrol
*kcontrol
,
672 struct snd_ctl_elem_value
*ucontrol
);
673 int snd_soc_get_strobe(struct snd_kcontrol
*kcontrol
,
674 struct snd_ctl_elem_value
*ucontrol
);
675 int snd_soc_put_strobe(struct snd_kcontrol
*kcontrol
,
676 struct snd_ctl_elem_value
*ucontrol
);
679 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
681 * @pin: name of the pin to update
682 * @mask: bits to check for in reported jack status
683 * @invert: if non-zero then pin is enabled when status is not reported
684 * @list: internal list entry
686 struct snd_soc_jack_pin
{
687 struct list_head list
;
694 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
696 * @min_mv: start voltage in mv
697 * @max_mv: end voltage in mv
698 * @jack_type: type of jack that is expected for this voltage
699 * @debounce_time: debounce_time for jack, codec driver should wait for this
700 * duration before reading the adc for voltages
701 * @list: internal list entry
703 struct snd_soc_jack_zone
{
706 unsigned int jack_type
;
707 unsigned int debounce_time
;
708 struct list_head list
;
712 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
714 * @gpio: legacy gpio number
715 * @idx: gpio descriptor index within the function of the GPIO
717 * @gpiod_dev: GPIO consumer device
718 * @name: gpio name. Also as connection ID for the GPIO consumer
719 * device function name lookup
720 * @report: value to report when jack detected
721 * @invert: report presence in low state
722 * @debounce_time: debounce time in ms
723 * @wake: enable as wake source
724 * @jack_status_check: callback function which overrides the detection
725 * to provide more complex checks (eg, reading an
728 struct snd_soc_jack_gpio
{
731 struct device
*gpiod_dev
;
739 struct snd_soc_jack
*jack
;
740 struct delayed_work work
;
741 struct notifier_block pm_notifier
;
742 struct gpio_desc
*desc
;
746 int (*jack_status_check
)(void *data
);
749 struct snd_soc_jack
{
751 struct snd_jack
*jack
;
752 struct snd_soc_card
*card
;
753 struct list_head pins
;
755 struct blocking_notifier_head notifier
;
756 struct list_head jack_zones
;
759 /* SoC PCM stream information */
760 struct snd_soc_pcm_stream
{
761 const char *stream_name
;
762 u64 formats
; /* SNDRV_PCM_FMTBIT_* */
763 unsigned int rates
; /* SNDRV_PCM_RATE_* */
764 unsigned int rate_min
; /* min rate */
765 unsigned int rate_max
; /* max rate */
766 unsigned int channels_min
; /* min channels */
767 unsigned int channels_max
; /* max channels */
768 unsigned int sig_bits
; /* number of bits of content */
773 int (*startup
)(struct snd_pcm_substream
*);
774 void (*shutdown
)(struct snd_pcm_substream
*);
775 int (*hw_params
)(struct snd_pcm_substream
*, struct snd_pcm_hw_params
*);
776 int (*hw_free
)(struct snd_pcm_substream
*);
777 int (*prepare
)(struct snd_pcm_substream
*);
778 int (*trigger
)(struct snd_pcm_substream
*, int);
781 struct snd_soc_compr_ops
{
782 int (*startup
)(struct snd_compr_stream
*);
783 void (*shutdown
)(struct snd_compr_stream
*);
784 int (*set_params
)(struct snd_compr_stream
*);
785 int (*trigger
)(struct snd_compr_stream
*);
788 /* component interface */
789 struct snd_soc_component_driver
{
792 /* Default control and setup, added after probe() is run */
793 const struct snd_kcontrol_new
*controls
;
794 unsigned int num_controls
;
795 const struct snd_soc_dapm_widget
*dapm_widgets
;
796 unsigned int num_dapm_widgets
;
797 const struct snd_soc_dapm_route
*dapm_routes
;
798 unsigned int num_dapm_routes
;
800 int (*probe
)(struct snd_soc_component
*);
801 void (*remove
)(struct snd_soc_component
*);
802 int (*suspend
)(struct snd_soc_component
*);
803 int (*resume
)(struct snd_soc_component
*);
805 /* pcm creation and destruction */
806 int (*pcm_new
)(struct snd_soc_pcm_runtime
*);
807 void (*pcm_free
)(struct snd_pcm
*);
809 /* component wide operations */
810 int (*set_sysclk
)(struct snd_soc_component
*component
,
811 int clk_id
, int source
, unsigned int freq
, int dir
);
812 int (*set_pll
)(struct snd_soc_component
*component
, int pll_id
,
813 int source
, unsigned int freq_in
, unsigned int freq_out
);
814 int (*set_jack
)(struct snd_soc_component
*component
,
815 struct snd_soc_jack
*jack
, void *data
);
818 int (*of_xlate_dai_name
)(struct snd_soc_component
*component
,
819 struct of_phandle_args
*args
,
820 const char **dai_name
);
821 int (*of_xlate_dai_id
)(struct snd_soc_component
*comment
,
822 struct device_node
*endpoint
);
823 void (*seq_notifier
)(struct snd_soc_component
*, enum snd_soc_dapm_type
,
825 int (*stream_event
)(struct snd_soc_component
*, int event
);
826 int (*set_bias_level
)(struct snd_soc_component
*component
,
827 enum snd_soc_bias_level level
);
829 const struct snd_pcm_ops
*ops
;
830 const struct snd_compr_ops
*compr_ops
;
832 /* probe ordering - for components with runtime dependencies */
837 unsigned int idle_bias_on
:1;
838 unsigned int suspend_bias_off
:1;
839 unsigned int pmdown_time
:1; /* care pmdown_time at stop */
840 unsigned int endianness
:1;
841 unsigned int non_legacy_dai_naming
:1;
844 struct snd_soc_component
{
847 const char *name_prefix
;
849 struct snd_soc_card
*card
;
853 unsigned int ignore_pmdown_time
:1; /* pmdown_time is ignored at stop */
854 unsigned int registered_as_component
:1;
855 unsigned int suspended
:1; /* is in suspend PM state */
857 struct list_head list
;
858 struct list_head card_aux_list
; /* for auxiliary bound components */
859 struct list_head card_list
;
861 struct snd_soc_dai_driver
*dai_drv
;
864 const struct snd_soc_component_driver
*driver
;
866 struct list_head dai_list
;
868 int (*read
)(struct snd_soc_component
*, unsigned int, unsigned int *);
869 int (*write
)(struct snd_soc_component
*, unsigned int, unsigned int);
871 struct regmap
*regmap
;
874 struct mutex io_mutex
;
876 /* attached dynamic objects */
877 struct list_head dobj_list
;
879 #ifdef CONFIG_DEBUG_FS
880 struct dentry
*debugfs_root
;
884 * DO NOT use any of the fields below in drivers, they are temporary and
885 * are going to be removed again soon. If you use them in driver code the
886 * driver will be marked as BROKEN when these fields are removed.
889 /* Don't use these, use snd_soc_component_get_dapm() */
890 struct snd_soc_dapm_context dapm
;
892 struct snd_soc_codec
*codec
;
894 int (*probe
)(struct snd_soc_component
*);
895 void (*remove
)(struct snd_soc_component
*);
896 int (*suspend
)(struct snd_soc_component
*);
897 int (*resume
)(struct snd_soc_component
*);
898 int (*pcm_new
)(struct snd_soc_component
*, struct snd_soc_pcm_runtime
*);
899 void (*pcm_free
)(struct snd_soc_component
*, struct snd_pcm
*);
901 int (*set_sysclk
)(struct snd_soc_component
*component
,
902 int clk_id
, int source
, unsigned int freq
, int dir
);
903 int (*set_pll
)(struct snd_soc_component
*component
, int pll_id
,
904 int source
, unsigned int freq_in
, unsigned int freq_out
);
905 int (*set_jack
)(struct snd_soc_component
*component
,
906 struct snd_soc_jack
*jack
, void *data
);
907 int (*set_bias_level
)(struct snd_soc_component
*component
,
908 enum snd_soc_bias_level level
);
910 /* machine specific init */
911 int (*init
)(struct snd_soc_component
*component
);
913 #ifdef CONFIG_DEBUG_FS
914 void (*init_debugfs
)(struct snd_soc_component
*component
);
915 const char *debugfs_prefix
;
919 struct snd_soc_rtdcom_list
{
920 struct snd_soc_component
*component
;
921 struct list_head list
; /* rtd::component_list */
923 struct snd_soc_component
*
924 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime
*rtd
,
925 const char *driver_name
);
926 #define for_each_rtdcom(rtd, rtdcom) \
927 list_for_each_entry(rtdcom, &(rtd)->component_list, list)
928 #define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \
929 list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list)
931 /* SoC Audio Codec device */
932 struct snd_soc_codec
{
934 const struct snd_soc_codec_driver
*driver
;
936 struct list_head list
;
939 unsigned int cache_init
:1; /* codec cache has been initialized */
942 void *control_data
; /* codec control (i2c/3wire) data */
947 struct snd_soc_component component
;
951 struct snd_soc_codec_driver
{
954 int (*probe
)(struct snd_soc_codec
*);
955 int (*remove
)(struct snd_soc_codec
*);
956 int (*suspend
)(struct snd_soc_codec
*);
957 int (*resume
)(struct snd_soc_codec
*);
958 struct snd_soc_component_driver component_driver
;
960 /* codec wide operations */
961 int (*set_sysclk
)(struct snd_soc_codec
*codec
,
962 int clk_id
, int source
, unsigned int freq
, int dir
);
963 int (*set_pll
)(struct snd_soc_codec
*codec
, int pll_id
, int source
,
964 unsigned int freq_in
, unsigned int freq_out
);
965 int (*set_jack
)(struct snd_soc_codec
*codec
,
966 struct snd_soc_jack
*jack
, void *data
);
969 struct regmap
*(*get_regmap
)(struct device
*);
970 unsigned int (*read
)(struct snd_soc_codec
*, unsigned int);
971 int (*write
)(struct snd_soc_codec
*, unsigned int, unsigned int);
972 unsigned int reg_cache_size
;
973 short reg_cache_step
;
975 const void *reg_cache_default
;
977 /* codec bias level */
978 int (*set_bias_level
)(struct snd_soc_codec
*,
979 enum snd_soc_bias_level level
);
981 bool suspend_bias_off
;
983 void (*seq_notifier
)(struct snd_soc_dapm_context
*,
984 enum snd_soc_dapm_type
, int);
986 bool ignore_pmdown_time
; /* Doesn't benefit from pmdown delay */
989 /* SoC platform interface */
990 struct snd_soc_platform_driver
{
992 int (*probe
)(struct snd_soc_platform
*);
993 int (*remove
)(struct snd_soc_platform
*);
994 struct snd_soc_component_driver component_driver
;
996 /* pcm creation and destruction */
997 int (*pcm_new
)(struct snd_soc_pcm_runtime
*);
998 void (*pcm_free
)(struct snd_pcm
*);
1000 /* platform stream pcm ops */
1001 const struct snd_pcm_ops
*ops
;
1003 /* platform stream compress ops */
1004 const struct snd_compr_ops
*compr_ops
;
1007 struct snd_soc_dai_link_component
{
1009 struct device_node
*of_node
;
1010 const char *dai_name
;
1013 struct snd_soc_platform
{
1015 const struct snd_soc_platform_driver
*driver
;
1017 struct list_head list
;
1019 struct snd_soc_component component
;
1022 struct snd_soc_dai_link
{
1023 /* config - must be set by machine driver */
1024 const char *name
; /* Codec name */
1025 const char *stream_name
; /* Stream name */
1027 * You MAY specify the link's CPU-side device, either by device name,
1028 * or by DT/OF node, but not both. If this information is omitted,
1029 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
1030 * must be globally unique. These fields are currently typically used
1031 * only for codec to codec links, or systems using device tree.
1033 const char *cpu_name
;
1034 struct device_node
*cpu_of_node
;
1036 * You MAY specify the DAI name of the CPU DAI. If this information is
1037 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
1038 * only, which only works well when that device exposes a single DAI.
1040 const char *cpu_dai_name
;
1042 * You MUST specify the link's codec, either by device name, or by
1043 * DT/OF node, but not both.
1045 const char *codec_name
;
1046 struct device_node
*codec_of_node
;
1047 /* You MUST specify the DAI name within the codec */
1048 const char *codec_dai_name
;
1050 struct snd_soc_dai_link_component
*codecs
;
1051 unsigned int num_codecs
;
1054 * You MAY specify the link's platform/PCM/DMA driver, either by
1055 * device name, or by DT/OF node, but not both. Some forms of link
1056 * do not need a platform.
1058 const char *platform_name
;
1059 struct device_node
*platform_of_node
;
1060 int id
; /* optional ID for machine driver link identification */
1062 const struct snd_soc_pcm_stream
*params
;
1063 unsigned int num_params
;
1065 unsigned int dai_fmt
; /* format to set on init */
1067 enum snd_soc_dpcm_trigger trigger
[2]; /* trigger type for DPCM */
1069 /* codec/machine specific init - e.g. add machine controls */
1070 int (*init
)(struct snd_soc_pcm_runtime
*rtd
);
1072 /* optional hw_params re-writing for BE and FE sync */
1073 int (*be_hw_params_fixup
)(struct snd_soc_pcm_runtime
*rtd
,
1074 struct snd_pcm_hw_params
*params
);
1076 /* machine stream operations */
1077 const struct snd_soc_ops
*ops
;
1078 const struct snd_soc_compr_ops
*compr_ops
;
1080 /* Mark this pcm with non atomic ops */
1083 /* For unidirectional dai links */
1084 unsigned int playback_only
:1;
1085 unsigned int capture_only
:1;
1087 /* Keep DAI active over suspend */
1088 unsigned int ignore_suspend
:1;
1090 /* Symmetry requirements */
1091 unsigned int symmetric_rates
:1;
1092 unsigned int symmetric_channels
:1;
1093 unsigned int symmetric_samplebits
:1;
1095 /* Do not create a PCM for this DAI link (Backend link) */
1096 unsigned int no_pcm
:1;
1098 /* This DAI link can route to other DAI links at runtime (Frontend)*/
1099 unsigned int dynamic
:1;
1101 /* DPCM capture and Playback support */
1102 unsigned int dpcm_capture
:1;
1103 unsigned int dpcm_playback
:1;
1105 /* DPCM used FE & BE merged format */
1106 unsigned int dpcm_merged_format
:1;
1108 /* pmdown_time is ignored at stop */
1109 unsigned int ignore_pmdown_time
:1;
1111 struct list_head list
; /* DAI link list of the soc card */
1112 struct snd_soc_dobj dobj
; /* For topology */
1115 struct snd_soc_codec_conf
{
1117 * specify device either by device name, or by
1118 * DT/OF node, but not both.
1120 const char *dev_name
;
1121 struct device_node
*of_node
;
1124 * optional map of kcontrol, widget and path name prefixes that are
1125 * associated per device
1127 const char *name_prefix
;
1130 struct snd_soc_aux_dev
{
1131 const char *name
; /* Codec name */
1134 * specify multi-codec either by device name, or by
1135 * DT/OF node, but not both.
1137 const char *codec_name
;
1138 struct device_node
*codec_of_node
;
1140 /* codec/machine specific init - e.g. add machine controls */
1141 int (*init
)(struct snd_soc_component
*component
);
1145 struct snd_soc_card
{
1147 const char *long_name
;
1148 const char *driver_name
;
1149 char dmi_longname
[80];
1152 struct snd_card
*snd_card
;
1153 struct module
*owner
;
1156 struct mutex dapm_mutex
;
1160 int (*probe
)(struct snd_soc_card
*card
);
1161 int (*late_probe
)(struct snd_soc_card
*card
);
1162 int (*remove
)(struct snd_soc_card
*card
);
1164 /* the pre and post PM functions are used to do any PM work before and
1165 * after the codec and DAI's do any PM work. */
1166 int (*suspend_pre
)(struct snd_soc_card
*card
);
1167 int (*suspend_post
)(struct snd_soc_card
*card
);
1168 int (*resume_pre
)(struct snd_soc_card
*card
);
1169 int (*resume_post
)(struct snd_soc_card
*card
);
1172 int (*set_bias_level
)(struct snd_soc_card
*,
1173 struct snd_soc_dapm_context
*dapm
,
1174 enum snd_soc_bias_level level
);
1175 int (*set_bias_level_post
)(struct snd_soc_card
*,
1176 struct snd_soc_dapm_context
*dapm
,
1177 enum snd_soc_bias_level level
);
1179 int (*add_dai_link
)(struct snd_soc_card
*,
1180 struct snd_soc_dai_link
*link
);
1181 void (*remove_dai_link
)(struct snd_soc_card
*,
1182 struct snd_soc_dai_link
*link
);
1186 /* CPU <--> Codec DAI links */
1187 struct snd_soc_dai_link
*dai_link
; /* predefined links only */
1188 int num_links
; /* predefined links only */
1189 struct list_head dai_link_list
; /* all links */
1192 struct list_head rtd_list
;
1195 /* optional codec specific configuration */
1196 struct snd_soc_codec_conf
*codec_conf
;
1200 * optional auxiliary devices such as amplifiers or codecs with DAI
1203 struct snd_soc_aux_dev
*aux_dev
;
1205 struct list_head aux_comp_list
;
1207 const struct snd_kcontrol_new
*controls
;
1211 * Card-specific routes and widgets.
1212 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1214 const struct snd_soc_dapm_widget
*dapm_widgets
;
1215 int num_dapm_widgets
;
1216 const struct snd_soc_dapm_route
*dapm_routes
;
1217 int num_dapm_routes
;
1218 const struct snd_soc_dapm_widget
*of_dapm_widgets
;
1219 int num_of_dapm_widgets
;
1220 const struct snd_soc_dapm_route
*of_dapm_routes
;
1221 int num_of_dapm_routes
;
1224 struct work_struct deferred_resume_work
;
1226 /* lists of probed devices belonging to this card */
1227 struct list_head component_dev_list
;
1229 struct list_head widgets
;
1230 struct list_head paths
;
1231 struct list_head dapm_list
;
1232 struct list_head dapm_dirty
;
1234 /* attached dynamic objects */
1235 struct list_head dobj_list
;
1237 /* Generic DAPM context for the card */
1238 struct snd_soc_dapm_context dapm
;
1239 struct snd_soc_dapm_stats dapm_stats
;
1240 struct snd_soc_dapm_update
*update
;
1242 #ifdef CONFIG_DEBUG_FS
1243 struct dentry
*debugfs_card_root
;
1244 struct dentry
*debugfs_pop_time
;
1251 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1252 struct snd_soc_pcm_runtime
{
1254 struct snd_soc_card
*card
;
1255 struct snd_soc_dai_link
*dai_link
;
1256 struct mutex pcm_mutex
;
1257 enum snd_soc_pcm_subclass pcm_subclass
;
1258 struct snd_pcm_ops ops
;
1260 /* Dynamic PCM BE runtime data */
1261 struct snd_soc_dpcm_runtime dpcm
[2];
1266 /* runtime devices */
1267 struct snd_pcm
*pcm
;
1268 struct snd_compr
*compr
;
1269 struct snd_soc_codec
*codec
;
1270 struct snd_soc_platform
*platform
; /* will be removed */
1271 struct snd_soc_dai
*codec_dai
;
1272 struct snd_soc_dai
*cpu_dai
;
1274 struct snd_soc_dai
**codec_dais
;
1275 unsigned int num_codecs
;
1277 struct delayed_work delayed_work
;
1278 #ifdef CONFIG_DEBUG_FS
1279 struct dentry
*debugfs_dpcm_root
;
1282 unsigned int num
; /* 0-based and monotonic increasing */
1283 struct list_head list
; /* rtd list of the soc card */
1284 struct list_head component_list
; /* list of connected components */
1287 unsigned int dev_registered
:1;
1288 unsigned int pop_wait
:1;
1292 struct soc_mixer_control
{
1293 int min
, max
, platform_max
;
1295 unsigned int shift
, rshift
;
1296 unsigned int sign_bit
;
1297 unsigned int invert
:1;
1298 unsigned int autodisable
:1;
1299 struct snd_soc_dobj dobj
;
1308 struct soc_bytes_ext
{
1310 struct snd_soc_dobj dobj
;
1312 /* used for TLV byte control */
1313 int (*get
)(struct snd_kcontrol
*kcontrol
, unsigned int __user
*bytes
,
1315 int (*put
)(struct snd_kcontrol
*kcontrol
, const unsigned int __user
*bytes
,
1319 /* multi register control */
1320 struct soc_mreg_control
{
1322 unsigned int regbase
, regcount
, nbits
, invert
;
1325 /* enumerated kcontrol */
1328 unsigned char shift_l
;
1329 unsigned char shift_r
;
1332 const char * const *texts
;
1333 const unsigned int *values
;
1334 unsigned int autodisable
:1;
1335 struct snd_soc_dobj dobj
;
1339 * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in
1340 * @component: The component to cast to a CODEC
1342 * This function must only be used on components that are known to be CODECs.
1343 * Otherwise the behavior is undefined.
1345 static inline struct snd_soc_codec
*snd_soc_component_to_codec(
1346 struct snd_soc_component
*component
)
1348 return container_of(component
, struct snd_soc_codec
, component
);
1352 * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
1353 * @component: The component to cast to a platform
1355 * This function must only be used on components that are known to be platforms.
1356 * Otherwise the behavior is undefined.
1358 static inline struct snd_soc_platform
*snd_soc_component_to_platform(
1359 struct snd_soc_component
*component
)
1361 return container_of(component
, struct snd_soc_platform
, component
);
1365 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1367 * @dapm: The DAPM context to cast to the component
1369 * This function must only be used on DAPM contexts that are known to be part of
1370 * a component (e.g. in a component driver). Otherwise the behavior is
1373 static inline struct snd_soc_component
*snd_soc_dapm_to_component(
1374 struct snd_soc_dapm_context
*dapm
)
1376 return container_of(dapm
, struct snd_soc_component
, dapm
);
1380 * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
1381 * @dapm: The DAPM context to cast to the CODEC
1383 * This function must only be used on DAPM contexts that are known to be part of
1384 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1386 static inline struct snd_soc_codec
*snd_soc_dapm_to_codec(
1387 struct snd_soc_dapm_context
*dapm
)
1389 return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm
));
1393 * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
1395 * @dapm: The DAPM context to cast to the platform.
1397 * This function must only be used on DAPM contexts that are known to be part of
1398 * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
1400 static inline struct snd_soc_platform
*snd_soc_dapm_to_platform(
1401 struct snd_soc_dapm_context
*dapm
)
1403 return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm
));
1407 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1409 * @component: The component for which to get the DAPM context
1411 static inline struct snd_soc_dapm_context
*snd_soc_component_get_dapm(
1412 struct snd_soc_component
*component
)
1414 return &component
->dapm
;
1418 * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC
1419 * @codec: The CODEC for which to get the DAPM context
1421 * Note: Use this function instead of directly accessing the CODEC's dapm field
1423 static inline struct snd_soc_dapm_context
*snd_soc_codec_get_dapm(
1424 struct snd_soc_codec
*codec
)
1426 return snd_soc_component_get_dapm(&codec
->component
);
1430 * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level
1431 * @codec: The CODEC for which to initialize the DAPM bias level
1432 * @level: The DAPM level to initialize to
1434 * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level().
1436 static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec
*codec
,
1437 enum snd_soc_bias_level level
)
1439 snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec
), level
);
1443 * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
1444 * @component: The COMPONENT for which to initialize the DAPM bias level
1445 * @level: The DAPM level to initialize to
1447 * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level().
1450 snd_soc_component_init_bias_level(struct snd_soc_component
*component
,
1451 enum snd_soc_bias_level level
)
1453 snd_soc_dapm_init_bias_level(
1454 snd_soc_component_get_dapm(component
), level
);
1458 * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level
1459 * @codec: The CODEC for which to get the DAPM bias level
1461 * Returns: The current DAPM bias level of the CODEC.
1463 static inline enum snd_soc_bias_level
snd_soc_codec_get_bias_level(
1464 struct snd_soc_codec
*codec
)
1466 return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec
));
1470 * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
1471 * @component: The COMPONENT for which to get the DAPM bias level
1473 * Returns: The current DAPM bias level of the COMPONENT.
1475 static inline enum snd_soc_bias_level
1476 snd_soc_component_get_bias_level(struct snd_soc_component
*component
)
1478 return snd_soc_dapm_get_bias_level(
1479 snd_soc_component_get_dapm(component
));
1483 * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level
1484 * @codec: The CODEC for which to set the level
1485 * @level: The level to set to
1487 * Forces the CODEC bias level to a specific state. See
1488 * snd_soc_dapm_force_bias_level().
1490 static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec
*codec
,
1491 enum snd_soc_bias_level level
)
1493 return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec
),
1498 * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
1499 * @component: The COMPONENT for which to set the level
1500 * @level: The level to set to
1502 * Forces the COMPONENT bias level to a specific state. See
1503 * snd_soc_dapm_force_bias_level().
1506 snd_soc_component_force_bias_level(struct snd_soc_component
*component
,
1507 enum snd_soc_bias_level level
)
1509 return snd_soc_dapm_force_bias_level(
1510 snd_soc_component_get_dapm(component
),
1515 * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
1516 * @kcontrol: The kcontrol
1518 * This function must only be used on DAPM contexts that are known to be part of
1519 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1521 static inline struct snd_soc_codec
*snd_soc_dapm_kcontrol_codec(
1522 struct snd_kcontrol
*kcontrol
)
1524 return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol
));
1528 * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol
1529 * @kcontrol: The kcontrol
1531 * This function must only be used on DAPM contexts that are known to be part of
1532 * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined.
1534 static inline struct snd_soc_component
*snd_soc_dapm_kcontrol_component(
1535 struct snd_kcontrol
*kcontrol
)
1537 return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol
));
1541 unsigned int snd_soc_read(struct snd_soc_codec
*codec
, unsigned int reg
);
1542 int snd_soc_write(struct snd_soc_codec
*codec
, unsigned int reg
,
1546 * snd_soc_cache_sync() - Sync the register cache with the hardware
1547 * @codec: CODEC to sync
1549 * Note: This function will call regcache_sync()
1551 static inline int snd_soc_cache_sync(struct snd_soc_codec
*codec
)
1553 return regcache_sync(codec
->component
.regmap
);
1557 * snd_soc_component_cache_sync() - Sync the register cache with the hardware
1558 * @component: COMPONENT to sync
1560 * Note: This function will call regcache_sync()
1562 static inline int snd_soc_component_cache_sync(
1563 struct snd_soc_component
*component
)
1565 return regcache_sync(component
->regmap
);
1569 int snd_soc_component_read(struct snd_soc_component
*component
,
1570 unsigned int reg
, unsigned int *val
);
1571 unsigned int snd_soc_component_read32(struct snd_soc_component
*component
,
1573 int snd_soc_component_write(struct snd_soc_component
*component
,
1574 unsigned int reg
, unsigned int val
);
1575 int snd_soc_component_update_bits(struct snd_soc_component
*component
,
1576 unsigned int reg
, unsigned int mask
, unsigned int val
);
1577 int snd_soc_component_update_bits_async(struct snd_soc_component
*component
,
1578 unsigned int reg
, unsigned int mask
, unsigned int val
);
1579 void snd_soc_component_async_complete(struct snd_soc_component
*component
);
1580 int snd_soc_component_test_bits(struct snd_soc_component
*component
,
1581 unsigned int reg
, unsigned int mask
, unsigned int value
);
1583 /* component wide operations */
1584 int snd_soc_component_set_sysclk(struct snd_soc_component
*component
,
1585 int clk_id
, int source
, unsigned int freq
, int dir
);
1586 int snd_soc_component_set_pll(struct snd_soc_component
*component
, int pll_id
,
1587 int source
, unsigned int freq_in
,
1588 unsigned int freq_out
);
1589 int snd_soc_component_set_jack(struct snd_soc_component
*component
,
1590 struct snd_soc_jack
*jack
, void *data
);
1592 #ifdef CONFIG_REGMAP
1594 void snd_soc_component_init_regmap(struct snd_soc_component
*component
,
1595 struct regmap
*regmap
);
1596 void snd_soc_component_exit_regmap(struct snd_soc_component
*component
);
1599 * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC
1600 * @codec: The CODEC for which to initialize the regmap instance
1601 * @regmap: The regmap instance that should be used by the CODEC
1603 * This function allows deferred assignment of the regmap instance that is
1604 * associated with the CODEC. Only use this if the regmap instance is not yet
1605 * ready when the CODEC is registered. The function must also be called before
1606 * the first IO attempt of the CODEC.
1608 static inline void snd_soc_codec_init_regmap(struct snd_soc_codec
*codec
,
1609 struct regmap
*regmap
)
1611 snd_soc_component_init_regmap(&codec
->component
, regmap
);
1615 * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC
1616 * @codec: The CODEC for which to de-initialize the regmap instance
1618 * Calls regmap_exit() on the regmap instance associated to the CODEC and
1619 * removes the regmap instance from the CODEC.
1621 * This function should only be used if snd_soc_codec_init_regmap() was used to
1622 * initialize the regmap instance.
1624 static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec
*codec
)
1626 snd_soc_component_exit_regmap(&codec
->component
);
1631 /* device driver data */
1633 static inline void snd_soc_card_set_drvdata(struct snd_soc_card
*card
,
1636 card
->drvdata
= data
;
1639 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card
*card
)
1641 return card
->drvdata
;
1644 static inline void snd_soc_component_set_drvdata(struct snd_soc_component
*c
,
1647 dev_set_drvdata(c
->dev
, data
);
1650 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component
*c
)
1652 return dev_get_drvdata(c
->dev
);
1655 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec
*codec
,
1658 snd_soc_component_set_drvdata(&codec
->component
, data
);
1661 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec
*codec
)
1663 return snd_soc_component_get_drvdata(&codec
->component
);
1666 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform
*platform
,
1669 snd_soc_component_set_drvdata(&platform
->component
, data
);
1672 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform
*platform
)
1674 return snd_soc_component_get_drvdata(&platform
->component
);
1677 static inline void snd_soc_initialize_card_lists(struct snd_soc_card
*card
)
1679 INIT_LIST_HEAD(&card
->widgets
);
1680 INIT_LIST_HEAD(&card
->paths
);
1681 INIT_LIST_HEAD(&card
->dapm_list
);
1682 INIT_LIST_HEAD(&card
->aux_comp_list
);
1683 INIT_LIST_HEAD(&card
->component_dev_list
);
1686 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control
*mc
)
1688 if (mc
->reg
== mc
->rreg
&& mc
->shift
== mc
->rshift
)
1691 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1692 * mc->reg != mc->rreg means that the control is
1693 * stereo (bits in one register or in two registers)
1698 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum
*e
,
1706 for (i
= 0; i
< e
->items
; i
++)
1707 if (val
== e
->values
[i
])
1713 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum
*e
,
1719 return e
->values
[item
];
1722 static inline bool snd_soc_component_is_active(
1723 struct snd_soc_component
*component
)
1725 return component
->active
!= 0;
1728 static inline bool snd_soc_codec_is_active(struct snd_soc_codec
*codec
)
1730 return snd_soc_component_is_active(&codec
->component
);
1734 * snd_soc_kcontrol_component() - Returns the component that registered the
1736 * @kcontrol: The control for which to get the component
1738 * Note: This function will work correctly if the control has been registered
1739 * for a component. Either with snd_soc_add_codec_controls() or
1740 * snd_soc_add_platform_controls() or via table based setup for either a
1741 * CODEC, a platform or component driver. Otherwise the behavior is undefined.
1743 static inline struct snd_soc_component
*snd_soc_kcontrol_component(
1744 struct snd_kcontrol
*kcontrol
)
1746 return snd_kcontrol_chip(kcontrol
);
1750 * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control
1751 * @kcontrol: The control for which to get the CODEC
1753 * Note: This function will only work correctly if the control has been
1754 * registered with snd_soc_add_codec_controls() or via table based setup of
1755 * snd_soc_codec_driver. Otherwise the behavior is undefined.
1757 static inline struct snd_soc_codec
*snd_soc_kcontrol_codec(
1758 struct snd_kcontrol
*kcontrol
)
1760 return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol
));
1764 * snd_soc_kcontrol_platform() - Returns the platform that registered the control
1765 * @kcontrol: The control for which to get the platform
1767 * Note: This function will only work correctly if the control has been
1768 * registered with snd_soc_add_platform_controls() or via table based setup of
1769 * a snd_soc_platform_driver. Otherwise the behavior is undefined.
1771 static inline struct snd_soc_platform
*snd_soc_kcontrol_platform(
1772 struct snd_kcontrol
*kcontrol
)
1774 return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol
));
1777 int snd_soc_util_init(void);
1778 void snd_soc_util_exit(void);
1780 int snd_soc_of_parse_card_name(struct snd_soc_card
*card
,
1781 const char *propname
);
1782 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card
*card
,
1783 const char *propname
);
1784 int snd_soc_of_parse_tdm_slot(struct device_node
*np
,
1785 unsigned int *tx_mask
,
1786 unsigned int *rx_mask
,
1787 unsigned int *slots
,
1788 unsigned int *slot_width
);
1789 void snd_soc_of_parse_audio_prefix(struct snd_soc_card
*card
,
1790 struct snd_soc_codec_conf
*codec_conf
,
1791 struct device_node
*of_node
,
1792 const char *propname
);
1793 int snd_soc_of_parse_audio_routing(struct snd_soc_card
*card
,
1794 const char *propname
);
1795 unsigned int snd_soc_of_parse_daifmt(struct device_node
*np
,
1797 struct device_node
**bitclkmaster
,
1798 struct device_node
**framemaster
);
1799 int snd_soc_get_dai_id(struct device_node
*ep
);
1800 int snd_soc_get_dai_name(struct of_phandle_args
*args
,
1801 const char **dai_name
);
1802 int snd_soc_of_get_dai_name(struct device_node
*of_node
,
1803 const char **dai_name
);
1804 int snd_soc_of_get_dai_link_codecs(struct device
*dev
,
1805 struct device_node
*of_node
,
1806 struct snd_soc_dai_link
*dai_link
);
1808 int snd_soc_add_dai_link(struct snd_soc_card
*card
,
1809 struct snd_soc_dai_link
*dai_link
);
1810 void snd_soc_remove_dai_link(struct snd_soc_card
*card
,
1811 struct snd_soc_dai_link
*dai_link
);
1812 struct snd_soc_dai_link
*snd_soc_find_dai_link(struct snd_soc_card
*card
,
1813 int id
, const char *name
,
1814 const char *stream_name
);
1816 int snd_soc_register_dai(struct snd_soc_component
*component
,
1817 struct snd_soc_dai_driver
*dai_drv
);
1819 struct snd_soc_dai
*snd_soc_find_dai(
1820 const struct snd_soc_dai_link_component
*dlc
);
1822 #include <sound/soc-dai.h>
1825 struct snd_soc_dai
*snd_soc_card_get_codec_dai(struct snd_soc_card
*card
,
1826 const char *dai_name
)
1828 struct snd_soc_pcm_runtime
*rtd
;
1830 list_for_each_entry(rtd
, &card
->rtd_list
, list
) {
1831 if (!strcmp(rtd
->codec_dai
->name
, dai_name
))
1832 return rtd
->codec_dai
;
1838 #ifdef CONFIG_DEBUG_FS
1839 extern struct dentry
*snd_soc_debugfs_root
;
1842 extern const struct dev_pm_ops snd_soc_pm_ops
;
1844 /* Helper functions */
1845 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context
*dapm
)
1847 mutex_lock_nested(&dapm
->card
->dapm_mutex
, SND_SOC_DAPM_CLASS_RUNTIME
);
1850 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context
*dapm
)
1852 mutex_unlock(&dapm
->card
->dapm_mutex
);
1855 int snd_soc_component_enable_pin(struct snd_soc_component
*component
,
1857 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component
*component
,
1859 int snd_soc_component_disable_pin(struct snd_soc_component
*component
,
1861 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component
*component
,
1863 int snd_soc_component_nc_pin(struct snd_soc_component
*component
,
1865 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component
*component
,
1867 int snd_soc_component_get_pin_status(struct snd_soc_component
*component
,
1869 int snd_soc_component_force_enable_pin(struct snd_soc_component
*component
,
1871 int snd_soc_component_force_enable_pin_unlocked(
1872 struct snd_soc_component
*component
,