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>
30 #include <sound/soc-topology.h>
33 * Convenience kcontrol builders
35 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
36 ((unsigned long)&(struct soc_mixer_control) \
37 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
38 .rshift = shift_right, .max = xmax, .platform_max = xmax, \
39 .invert = xinvert, .autodisable = xautodisable})
40 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
41 ((unsigned long)&(struct soc_mixer_control) \
42 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
43 .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \
44 .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
45 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
46 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
47 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
48 ((unsigned long)&(struct soc_mixer_control) \
49 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
50 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
51 ((unsigned long)&(struct soc_mixer_control) \
52 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
53 .max = xmax, .platform_max = xmax, .invert = xinvert})
54 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
55 ((unsigned long)&(struct soc_mixer_control) \
56 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
57 .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
59 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
60 ((unsigned long)&(struct soc_mixer_control) \
61 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
62 .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
63 #define SOC_SINGLE(xname, reg, shift, max, invert) \
64 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
65 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
66 .put = snd_soc_put_volsw, \
67 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
68 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
69 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
70 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
71 .put = snd_soc_put_volsw_range, \
72 .private_value = (unsigned long)&(struct soc_mixer_control) \
73 {.reg = xreg, .rreg = xreg, .shift = xshift, \
74 .rshift = xshift, .min = xmin, .max = xmax, \
75 .platform_max = xmax, .invert = xinvert} }
76 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
77 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
78 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
79 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
80 .tlv.p = (tlv_array), \
81 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
82 .put = snd_soc_put_volsw, \
83 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
84 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
85 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
86 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
87 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
88 .tlv.p = (tlv_array),\
89 .info = snd_soc_info_volsw_sx, \
90 .get = snd_soc_get_volsw_sx,\
91 .put = snd_soc_put_volsw_sx, \
92 .private_value = (unsigned long)&(struct soc_mixer_control) \
93 {.reg = xreg, .rreg = xreg, \
94 .shift = xshift, .rshift = xshift, \
95 .max = xmax, .min = xmin} }
96 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
97 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
98 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
99 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
100 .tlv.p = (tlv_array), \
101 .info = snd_soc_info_volsw_range, \
102 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
103 .private_value = (unsigned long)&(struct soc_mixer_control) \
104 {.reg = xreg, .rreg = xreg, .shift = xshift, \
105 .rshift = xshift, .min = xmin, .max = xmax, \
106 .platform_max = xmax, .invert = xinvert} }
107 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
108 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
109 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
110 .put = snd_soc_put_volsw, \
111 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
113 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
114 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
115 .info = snd_soc_info_volsw, \
116 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
117 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
119 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
121 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
122 .info = snd_soc_info_volsw_range, \
123 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
124 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
125 xshift, xmin, xmax, xinvert) }
126 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
127 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
128 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
129 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
130 .tlv.p = (tlv_array), \
131 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
132 .put = snd_soc_put_volsw, \
133 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
135 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
136 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
137 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
138 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
139 .tlv.p = (tlv_array), \
140 .info = snd_soc_info_volsw, \
141 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
142 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
144 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
145 xmax, xinvert, tlv_array) \
146 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
147 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
148 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
149 .tlv.p = (tlv_array), \
150 .info = snd_soc_info_volsw_range, \
151 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
152 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
153 xshift, xmin, xmax, xinvert) }
154 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
155 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
156 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
157 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
158 .tlv.p = (tlv_array), \
159 .info = snd_soc_info_volsw_sx, \
160 .get = snd_soc_get_volsw_sx, \
161 .put = snd_soc_put_volsw_sx, \
162 .private_value = (unsigned long)&(struct soc_mixer_control) \
163 {.reg = xreg, .rreg = xrreg, \
164 .shift = xshift, .rshift = xshift, \
165 .max = xmax, .min = xmin} }
166 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
167 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
168 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
169 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
170 .tlv.p = (tlv_array), \
171 .info = snd_soc_info_volsw, \
172 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
173 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
174 xmin, xmax, xsign_bit, xinvert) }
175 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
176 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
177 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
178 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
179 .tlv.p = (tlv_array), \
180 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
181 .put = snd_soc_put_volsw, \
182 .private_value = (unsigned long)&(struct soc_mixer_control) \
183 {.reg = xreg, .rreg = xreg, \
184 .min = xmin, .max = xmax, .platform_max = xmax, \
186 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
187 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
188 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
189 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
190 .tlv.p = (tlv_array), \
191 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
192 .put = snd_soc_put_volsw, \
193 .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
194 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
195 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
196 .items = xitems, .texts = xtexts, \
197 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
198 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
199 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
200 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
201 { .items = xitems, .texts = xtexts }
202 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
203 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
204 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
205 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
206 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
207 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
208 { .reg = xreg, .shift_l = xshift, .shift_r = xshift, \
209 .mask = xmask, .items = xitems, .texts = xtexts, \
210 .values = xvalues, .autodisable = 1}
211 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
212 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
213 #define SOC_ENUM(xname, xenum) \
214 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
215 .info = snd_soc_info_enum_double, \
216 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
217 .private_value = (unsigned long)&xenum }
218 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
219 xhandler_get, xhandler_put) \
220 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
221 .info = snd_soc_info_volsw, \
222 .get = xhandler_get, .put = xhandler_put, \
223 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
224 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
225 xhandler_get, xhandler_put) \
226 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
227 .info = snd_soc_info_volsw, \
228 .get = xhandler_get, .put = xhandler_put, \
230 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
231 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
232 xhandler_get, xhandler_put) \
233 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
234 .info = snd_soc_info_volsw, \
235 .get = xhandler_get, .put = xhandler_put, \
236 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
238 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
239 xhandler_get, xhandler_put, tlv_array) \
240 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
241 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
242 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
243 .tlv.p = (tlv_array), \
244 .info = snd_soc_info_volsw, \
245 .get = xhandler_get, .put = xhandler_put, \
246 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
247 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \
248 xhandler_get, xhandler_put, tlv_array) \
249 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
250 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
251 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
252 .tlv.p = (tlv_array), \
253 .info = snd_soc_info_volsw_range, \
254 .get = xhandler_get, .put = xhandler_put, \
255 .private_value = (unsigned long)&(struct soc_mixer_control) \
256 {.reg = xreg, .rreg = xreg, .shift = xshift, \
257 .rshift = xshift, .min = xmin, .max = xmax, \
258 .platform_max = xmax, .invert = xinvert} }
259 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
260 xhandler_get, xhandler_put, tlv_array) \
261 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
262 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
263 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
264 .tlv.p = (tlv_array), \
265 .info = snd_soc_info_volsw, \
266 .get = xhandler_get, .put = xhandler_put, \
267 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
269 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
270 xhandler_get, xhandler_put, tlv_array) \
271 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
272 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
273 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
274 .tlv.p = (tlv_array), \
275 .info = snd_soc_info_volsw, \
276 .get = xhandler_get, .put = xhandler_put, \
277 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
279 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
280 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
281 .info = snd_soc_info_bool_ext, \
282 .get = xhandler_get, .put = xhandler_put, \
283 .private_value = xdata }
284 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
285 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
286 .info = snd_soc_info_enum_double, \
287 .get = xhandler_get, .put = xhandler_put, \
288 .private_value = (unsigned long)&xenum }
289 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
290 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
292 #define SND_SOC_BYTES(xname, xbase, xregs) \
293 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
294 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
295 .put = snd_soc_bytes_put, .private_value = \
296 ((unsigned long)&(struct soc_bytes) \
297 {.base = xbase, .num_regs = xregs }) }
299 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \
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, \
307 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
308 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
309 .info = snd_soc_bytes_info_ext, \
310 .get = xhandler_get, .put = xhandler_put, \
311 .private_value = (unsigned long)&(struct soc_bytes_ext) \
313 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
314 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
315 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
316 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
317 .tlv.c = (snd_soc_bytes_tlv_callback), \
318 .info = snd_soc_bytes_info_ext, \
319 .private_value = (unsigned long)&(struct soc_bytes_ext) \
320 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
321 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
322 xmin, xmax, xinvert) \
323 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
324 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
325 .put = snd_soc_put_xr_sx, \
326 .private_value = (unsigned long)&(struct soc_mreg_control) \
327 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
328 .invert = xinvert, .min = xmin, .max = xmax} }
330 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
331 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
332 snd_soc_get_strobe, snd_soc_put_strobe)
335 * Simplified versions of above macros, declaring a struct and calculating
336 * ARRAY_SIZE internally
338 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
339 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
340 ARRAY_SIZE(xtexts), xtexts)
341 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
342 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
343 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
344 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
345 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
346 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
347 ARRAY_SIZE(xtexts), xtexts, xvalues)
348 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
349 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
351 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
352 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
353 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
355 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
356 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
359 * Component probe and remove ordering levels for components with runtime
362 #define SND_SOC_COMP_ORDER_FIRST -2
363 #define SND_SOC_COMP_ORDER_EARLY -1
364 #define SND_SOC_COMP_ORDER_NORMAL 0
365 #define SND_SOC_COMP_ORDER_LATE 1
366 #define SND_SOC_COMP_ORDER_LAST 2
371 * @ON: Bias is fully on for audio playback and capture operations.
372 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
373 * stream start and stop operations.
374 * @STANDBY: Low power standby state when no playback/capture operations are
375 * in progress. NOTE: The transition time between STANDBY and ON
376 * should be as fast as possible and no longer than 10ms.
377 * @OFF: Power Off. No restrictions on transition times.
379 enum snd_soc_bias_level {
380 SND_SOC_BIAS_OFF = 0,
381 SND_SOC_BIAS_STANDBY = 1,
382 SND_SOC_BIAS_PREPARE = 2,
389 struct snd_soc_pcm_stream;
391 struct snd_soc_pcm_runtime;
393 struct snd_soc_dai_driver;
394 struct snd_soc_platform;
395 struct snd_soc_dai_link;
396 struct snd_soc_platform_driver;
397 struct snd_soc_codec;
398 struct snd_soc_codec_driver;
399 struct snd_soc_component;
400 struct snd_soc_component_driver;
403 struct snd_soc_jack_zone;
404 struct snd_soc_jack_pin;
405 #include <sound/soc-dapm.h>
406 #include <sound/soc-dpcm.h>
408 struct snd_soc_jack_gpio;
410 typedef int (*hw_write_t)(void *,const char* ,int);
412 enum snd_soc_pcm_subclass {
413 SND_SOC_PCM_CLASS_PCM = 0,
414 SND_SOC_PCM_CLASS_BE = 1,
417 enum snd_soc_card_subclass {
418 SND_SOC_CARD_CLASS_INIT = 0,
419 SND_SOC_CARD_CLASS_RUNTIME = 1,
422 int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
423 int source, unsigned int freq, int dir);
424 int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
425 unsigned int freq_in, unsigned int freq_out);
427 int snd_soc_register_card(struct snd_soc_card *card);
428 int snd_soc_unregister_card(struct snd_soc_card *card);
429 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
430 #ifdef CONFIG_PM_SLEEP
431 int snd_soc_suspend(struct device *dev);
432 int snd_soc_resume(struct device *dev);
434 static inline int snd_soc_suspend(struct device *dev)
439 static inline int snd_soc_resume(struct device *dev)
444 int snd_soc_poweroff(struct device *dev);
445 int snd_soc_register_platform(struct device *dev,
446 const struct snd_soc_platform_driver *platform_drv);
447 int devm_snd_soc_register_platform(struct device *dev,
448 const struct snd_soc_platform_driver *platform_drv);
449 void snd_soc_unregister_platform(struct device *dev);
450 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
451 const struct snd_soc_platform_driver *platform_drv);
452 void snd_soc_remove_platform(struct snd_soc_platform *platform);
453 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
454 int snd_soc_register_codec(struct device *dev,
455 const struct snd_soc_codec_driver *codec_drv,
456 struct snd_soc_dai_driver *dai_drv, int num_dai);
457 void snd_soc_unregister_codec(struct device *dev);
458 int snd_soc_register_component(struct device *dev,
459 const struct snd_soc_component_driver *cmpnt_drv,
460 struct snd_soc_dai_driver *dai_drv, int num_dai);
461 int devm_snd_soc_register_component(struct device *dev,
462 const struct snd_soc_component_driver *cmpnt_drv,
463 struct snd_soc_dai_driver *dai_drv, int num_dai);
464 void snd_soc_unregister_component(struct device *dev);
465 int snd_soc_cache_init(struct snd_soc_codec *codec);
466 int snd_soc_cache_exit(struct snd_soc_codec *codec);
468 int snd_soc_platform_read(struct snd_soc_platform *platform,
470 int snd_soc_platform_write(struct snd_soc_platform *platform,
471 unsigned int reg, unsigned int val);
472 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
473 #ifdef CONFIG_SND_SOC_COMPRESS
474 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
477 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
478 const char *dai_link, int stream);
479 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
480 const char *dai_link);
482 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
483 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
484 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
486 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
487 unsigned int dai_fmt);
489 /* Utility functions to get clock rates from various things */
490 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
491 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
492 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
493 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
495 /* set runtime hw params */
496 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
497 const struct snd_pcm_hardware *hw);
499 int snd_soc_platform_trigger(struct snd_pcm_substream *substream,
500 int cmd, struct snd_soc_platform *platform);
502 int soc_dai_hw_params(struct snd_pcm_substream *substream,
503 struct snd_pcm_hw_params *params,
504 struct snd_soc_dai *dai);
507 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
508 struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
509 unsigned int num_pins);
511 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
512 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
513 struct snd_soc_jack_pin *pins);
514 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
515 struct notifier_block *nb);
516 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
517 struct notifier_block *nb);
518 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
519 struct snd_soc_jack_zone *zones);
520 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
521 #ifdef CONFIG_GPIOLIB
522 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
523 struct snd_soc_jack_gpio *gpios);
524 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
525 struct snd_soc_jack *jack,
526 int count, struct snd_soc_jack_gpio *gpios);
527 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
528 struct snd_soc_jack_gpio *gpios);
530 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
531 struct snd_soc_jack_gpio *gpios)
536 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
537 struct snd_soc_jack *jack,
539 struct snd_soc_jack_gpio *gpios)
544 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
545 struct snd_soc_jack_gpio *gpios)
550 /* codec register bit access */
551 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
552 unsigned int mask, unsigned int value);
553 int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
554 unsigned int reg, unsigned int mask,
556 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
557 unsigned int mask, unsigned int value);
559 #ifdef CONFIG_SND_SOC_AC97_BUS
560 struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec);
561 struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
562 unsigned int id, unsigned int id_mask);
563 void snd_soc_free_ac97_codec(struct snd_ac97 *ac97);
565 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
566 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
567 struct platform_device *pdev);
569 extern struct snd_ac97_bus_ops *soc_ac97_ops;
571 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
572 struct platform_device *pdev)
577 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
586 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
587 void *data, const char *long_name,
589 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
591 int snd_soc_add_component_controls(struct snd_soc_component *component,
592 const struct snd_kcontrol_new *controls, unsigned int num_controls);
593 int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
594 const struct snd_kcontrol_new *controls, unsigned int num_controls);
595 int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
596 const struct snd_kcontrol_new *controls, unsigned int num_controls);
597 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
598 const struct snd_kcontrol_new *controls, int num_controls);
599 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
600 const struct snd_kcontrol_new *controls, int num_controls);
601 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
602 struct snd_ctl_elem_info *uinfo);
603 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
604 struct snd_ctl_elem_value *ucontrol);
605 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
606 struct snd_ctl_elem_value *ucontrol);
607 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
608 struct snd_ctl_elem_info *uinfo);
609 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
610 struct snd_ctl_elem_info *uinfo);
611 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
612 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
613 struct snd_ctl_elem_value *ucontrol);
614 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
615 struct snd_ctl_elem_value *ucontrol);
616 #define snd_soc_get_volsw_2r snd_soc_get_volsw
617 #define snd_soc_put_volsw_2r snd_soc_put_volsw
618 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
619 struct snd_ctl_elem_value *ucontrol);
620 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
621 struct snd_ctl_elem_value *ucontrol);
622 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
623 struct snd_ctl_elem_info *uinfo);
624 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
625 struct snd_ctl_elem_value *ucontrol);
626 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
627 struct snd_ctl_elem_value *ucontrol);
628 int snd_soc_limit_volume(struct snd_soc_card *card,
629 const char *name, int max);
630 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
631 struct snd_ctl_elem_info *uinfo);
632 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
633 struct snd_ctl_elem_value *ucontrol);
634 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
635 struct snd_ctl_elem_value *ucontrol);
636 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
637 struct snd_ctl_elem_info *ucontrol);
638 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
639 unsigned int size, unsigned int __user *tlv);
640 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
641 struct snd_ctl_elem_info *uinfo);
642 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
643 struct snd_ctl_elem_value *ucontrol);
644 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
645 struct snd_ctl_elem_value *ucontrol);
646 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
647 struct snd_ctl_elem_value *ucontrol);
648 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
649 struct snd_ctl_elem_value *ucontrol);
652 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
654 * @pin: name of the pin to update
655 * @mask: bits to check for in reported jack status
656 * @invert: if non-zero then pin is enabled when status is not reported
657 * @list: internal list entry
659 struct snd_soc_jack_pin {
660 struct list_head list;
667 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
669 * @min_mv: start voltage in mv
670 * @max_mv: end voltage in mv
671 * @jack_type: type of jack that is expected for this voltage
672 * @debounce_time: debounce_time for jack, codec driver should wait for this
673 * duration before reading the adc for voltages
674 * @list: internal list entry
676 struct snd_soc_jack_zone {
679 unsigned int jack_type;
680 unsigned int debounce_time;
681 struct list_head list;
685 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
687 * @gpio: legacy gpio number
688 * @idx: gpio descriptor index within the function of the GPIO
690 * @gpiod_dev: GPIO consumer device
691 * @name: gpio name. Also as connection ID for the GPIO consumer
692 * device function name lookup
693 * @report: value to report when jack detected
694 * @invert: report presence in low state
695 * @debounce_time: debounce time in ms
696 * @wake: enable as wake source
697 * @jack_status_check: callback function which overrides the detection
698 * to provide more complex checks (eg, reading an
701 struct snd_soc_jack_gpio {
704 struct device *gpiod_dev;
712 struct snd_soc_jack *jack;
713 struct delayed_work work;
714 struct gpio_desc *desc;
718 int (*jack_status_check)(void *data);
721 struct snd_soc_jack {
723 struct snd_jack *jack;
724 struct snd_soc_card *card;
725 struct list_head pins;
727 struct blocking_notifier_head notifier;
728 struct list_head jack_zones;
731 /* SoC PCM stream information */
732 struct snd_soc_pcm_stream {
733 const char *stream_name;
734 u64 formats; /* SNDRV_PCM_FMTBIT_* */
735 unsigned int rates; /* SNDRV_PCM_RATE_* */
736 unsigned int rate_min; /* min rate */
737 unsigned int rate_max; /* max rate */
738 unsigned int channels_min; /* min channels */
739 unsigned int channels_max; /* max channels */
740 unsigned int sig_bits; /* number of bits of content */
745 int (*startup)(struct snd_pcm_substream *);
746 void (*shutdown)(struct snd_pcm_substream *);
747 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
748 int (*hw_free)(struct snd_pcm_substream *);
749 int (*prepare)(struct snd_pcm_substream *);
750 int (*trigger)(struct snd_pcm_substream *, int);
753 struct snd_soc_compr_ops {
754 int (*startup)(struct snd_compr_stream *);
755 void (*shutdown)(struct snd_compr_stream *);
756 int (*set_params)(struct snd_compr_stream *);
757 int (*trigger)(struct snd_compr_stream *);
760 /* component interface */
761 struct snd_soc_component_driver {
764 /* Default control and setup, added after probe() is run */
765 const struct snd_kcontrol_new *controls;
766 unsigned int num_controls;
767 const struct snd_soc_dapm_widget *dapm_widgets;
768 unsigned int num_dapm_widgets;
769 const struct snd_soc_dapm_route *dapm_routes;
770 unsigned int num_dapm_routes;
772 int (*probe)(struct snd_soc_component *);
773 void (*remove)(struct snd_soc_component *);
776 int (*of_xlate_dai_name)(struct snd_soc_component *component,
777 struct of_phandle_args *args,
778 const char **dai_name);
779 void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
781 int (*stream_event)(struct snd_soc_component *, int event);
783 /* probe ordering - for components with runtime dependencies */
788 struct snd_soc_component {
791 const char *name_prefix;
793 struct snd_soc_card *card;
797 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
798 unsigned int registered_as_component:1;
800 struct list_head list;
802 struct snd_soc_dai_driver *dai_drv;
805 const struct snd_soc_component_driver *driver;
807 struct list_head dai_list;
809 int (*read)(struct snd_soc_component *, unsigned int, unsigned int *);
810 int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
812 struct regmap *regmap;
815 struct mutex io_mutex;
817 /* attached dynamic objects */
818 struct list_head dobj_list;
820 #ifdef CONFIG_DEBUG_FS
821 struct dentry *debugfs_root;
825 * DO NOT use any of the fields below in drivers, they are temporary and
826 * are going to be removed again soon. If you use them in driver code the
827 * driver will be marked as BROKEN when these fields are removed.
830 /* Don't use these, use snd_soc_component_get_dapm() */
831 struct snd_soc_dapm_context dapm;
833 const struct snd_kcontrol_new *controls;
834 unsigned int num_controls;
835 const struct snd_soc_dapm_widget *dapm_widgets;
836 unsigned int num_dapm_widgets;
837 const struct snd_soc_dapm_route *dapm_routes;
838 unsigned int num_dapm_routes;
839 struct snd_soc_codec *codec;
841 int (*probe)(struct snd_soc_component *);
842 void (*remove)(struct snd_soc_component *);
844 #ifdef CONFIG_DEBUG_FS
845 void (*init_debugfs)(struct snd_soc_component *component);
846 const char *debugfs_prefix;
850 /* SoC Audio Codec device */
851 struct snd_soc_codec {
853 const struct snd_soc_codec_driver *driver;
855 struct list_head list;
856 struct list_head card_list;
859 unsigned int cache_bypass:1; /* Suppress access to the cache */
860 unsigned int suspended:1; /* Codec is in suspend PM state */
861 unsigned int cache_init:1; /* codec cache has been initialized */
864 void *control_data; /* codec control (i2c/3wire) data */
869 struct snd_soc_component component;
871 #ifdef CONFIG_DEBUG_FS
872 struct dentry *debugfs_reg;
877 struct snd_soc_codec_driver {
880 int (*probe)(struct snd_soc_codec *);
881 int (*remove)(struct snd_soc_codec *);
882 int (*suspend)(struct snd_soc_codec *);
883 int (*resume)(struct snd_soc_codec *);
884 struct snd_soc_component_driver component_driver;
886 /* Default control and setup, added after probe() is run */
887 const struct snd_kcontrol_new *controls;
889 const struct snd_soc_dapm_widget *dapm_widgets;
890 int num_dapm_widgets;
891 const struct snd_soc_dapm_route *dapm_routes;
894 /* codec wide operations */
895 int (*set_sysclk)(struct snd_soc_codec *codec,
896 int clk_id, int source, unsigned int freq, int dir);
897 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
898 unsigned int freq_in, unsigned int freq_out);
901 struct regmap *(*get_regmap)(struct device *);
902 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
903 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
904 unsigned int reg_cache_size;
905 short reg_cache_step;
907 const void *reg_cache_default;
909 /* codec bias level */
910 int (*set_bias_level)(struct snd_soc_codec *,
911 enum snd_soc_bias_level level);
913 bool suspend_bias_off;
915 void (*seq_notifier)(struct snd_soc_dapm_context *,
916 enum snd_soc_dapm_type, int);
918 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */
921 /* SoC platform interface */
922 struct snd_soc_platform_driver {
924 int (*probe)(struct snd_soc_platform *);
925 int (*remove)(struct snd_soc_platform *);
926 struct snd_soc_component_driver component_driver;
928 /* pcm creation and destruction */
929 int (*pcm_new)(struct snd_soc_pcm_runtime *);
930 void (*pcm_free)(struct snd_pcm *);
933 * For platform caused delay reporting.
936 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
937 struct snd_soc_dai *);
939 /* platform stream pcm ops */
940 const struct snd_pcm_ops *ops;
942 /* platform stream compress ops */
943 const struct snd_compr_ops *compr_ops;
945 int (*bespoke_trigger)(struct snd_pcm_substream *, int);
948 struct snd_soc_dai_link_component {
950 struct device_node *of_node;
951 const char *dai_name;
954 struct snd_soc_platform {
956 const struct snd_soc_platform_driver *driver;
958 struct list_head list;
960 struct snd_soc_component component;
963 struct snd_soc_dai_link {
964 /* config - must be set by machine driver */
965 const char *name; /* Codec name */
966 const char *stream_name; /* Stream name */
968 * You MAY specify the link's CPU-side device, either by device name,
969 * or by DT/OF node, but not both. If this information is omitted,
970 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
971 * must be globally unique. These fields are currently typically used
972 * only for codec to codec links, or systems using device tree.
974 const char *cpu_name;
975 struct device_node *cpu_of_node;
977 * You MAY specify the DAI name of the CPU DAI. If this information is
978 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
979 * only, which only works well when that device exposes a single DAI.
981 const char *cpu_dai_name;
983 * You MUST specify the link's codec, either by device name, or by
984 * DT/OF node, but not both.
986 const char *codec_name;
987 struct device_node *codec_of_node;
988 /* You MUST specify the DAI name within the codec */
989 const char *codec_dai_name;
991 struct snd_soc_dai_link_component *codecs;
992 unsigned int num_codecs;
995 * You MAY specify the link's platform/PCM/DMA driver, either by
996 * device name, or by DT/OF node, but not both. Some forms of link
997 * do not need a platform.
999 const char *platform_name;
1000 struct device_node *platform_of_node;
1001 int be_id; /* optional ID for machine driver BE identification */
1003 const struct snd_soc_pcm_stream *params;
1004 unsigned int num_params;
1006 unsigned int dai_fmt; /* format to set on init */
1008 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
1010 /* codec/machine specific init - e.g. add machine controls */
1011 int (*init)(struct snd_soc_pcm_runtime *rtd);
1013 /* optional hw_params re-writing for BE and FE sync */
1014 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
1015 struct snd_pcm_hw_params *params);
1017 /* machine stream operations */
1018 const struct snd_soc_ops *ops;
1019 const struct snd_soc_compr_ops *compr_ops;
1021 /* For unidirectional dai links */
1025 /* Mark this pcm with non atomic ops */
1028 /* Keep DAI active over suspend */
1029 unsigned int ignore_suspend:1;
1031 /* Symmetry requirements */
1032 unsigned int symmetric_rates:1;
1033 unsigned int symmetric_channels:1;
1034 unsigned int symmetric_samplebits:1;
1036 /* Do not create a PCM for this DAI link (Backend link) */
1037 unsigned int no_pcm:1;
1039 /* This DAI link can route to other DAI links at runtime (Frontend)*/
1040 unsigned int dynamic:1;
1042 /* DPCM capture and Playback support */
1043 unsigned int dpcm_capture:1;
1044 unsigned int dpcm_playback:1;
1046 /* DPCM used FE & BE merged format */
1047 unsigned int dpcm_merged_format:1;
1049 /* pmdown_time is ignored at stop */
1050 unsigned int ignore_pmdown_time:1;
1053 struct snd_soc_codec_conf {
1055 * specify device either by device name, or by
1056 * DT/OF node, but not both.
1058 const char *dev_name;
1059 struct device_node *of_node;
1062 * optional map of kcontrol, widget and path name prefixes that are
1063 * associated per device
1065 const char *name_prefix;
1068 struct snd_soc_aux_dev {
1069 const char *name; /* Codec name */
1072 * specify multi-codec either by device name, or by
1073 * DT/OF node, but not both.
1075 const char *codec_name;
1076 struct device_node *codec_of_node;
1078 /* codec/machine specific init - e.g. add machine controls */
1079 int (*init)(struct snd_soc_component *component);
1083 struct snd_soc_card {
1085 const char *long_name;
1086 const char *driver_name;
1088 struct snd_card *snd_card;
1089 struct module *owner;
1092 struct mutex dapm_mutex;
1096 int (*probe)(struct snd_soc_card *card);
1097 int (*late_probe)(struct snd_soc_card *card);
1098 int (*remove)(struct snd_soc_card *card);
1100 /* the pre and post PM functions are used to do any PM work before and
1101 * after the codec and DAI's do any PM work. */
1102 int (*suspend_pre)(struct snd_soc_card *card);
1103 int (*suspend_post)(struct snd_soc_card *card);
1104 int (*resume_pre)(struct snd_soc_card *card);
1105 int (*resume_post)(struct snd_soc_card *card);
1108 int (*set_bias_level)(struct snd_soc_card *,
1109 struct snd_soc_dapm_context *dapm,
1110 enum snd_soc_bias_level level);
1111 int (*set_bias_level_post)(struct snd_soc_card *,
1112 struct snd_soc_dapm_context *dapm,
1113 enum snd_soc_bias_level level);
1117 /* CPU <--> Codec DAI links */
1118 struct snd_soc_dai_link *dai_link;
1120 struct snd_soc_pcm_runtime *rtd;
1123 /* optional codec specific configuration */
1124 struct snd_soc_codec_conf *codec_conf;
1128 * optional auxiliary devices such as amplifiers or codecs with DAI
1131 struct snd_soc_aux_dev *aux_dev;
1133 struct snd_soc_pcm_runtime *rtd_aux;
1136 const struct snd_kcontrol_new *controls;
1140 * Card-specific routes and widgets.
1141 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1143 const struct snd_soc_dapm_widget *dapm_widgets;
1144 int num_dapm_widgets;
1145 const struct snd_soc_dapm_route *dapm_routes;
1146 int num_dapm_routes;
1147 const struct snd_soc_dapm_widget *of_dapm_widgets;
1148 int num_of_dapm_widgets;
1149 const struct snd_soc_dapm_route *of_dapm_routes;
1150 int num_of_dapm_routes;
1153 struct work_struct deferred_resume_work;
1155 /* lists of probed devices belonging to this card */
1156 struct list_head codec_dev_list;
1158 struct list_head widgets;
1159 struct list_head paths;
1160 struct list_head dapm_list;
1161 struct list_head dapm_dirty;
1163 /* attached dynamic objects */
1164 struct list_head dobj_list;
1166 /* Generic DAPM context for the card */
1167 struct snd_soc_dapm_context dapm;
1168 struct snd_soc_dapm_stats dapm_stats;
1169 struct snd_soc_dapm_update *update;
1171 #ifdef CONFIG_DEBUG_FS
1172 struct dentry *debugfs_card_root;
1173 struct dentry *debugfs_pop_time;
1180 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1181 struct snd_soc_pcm_runtime {
1183 struct snd_soc_card *card;
1184 struct snd_soc_dai_link *dai_link;
1185 struct mutex pcm_mutex;
1186 enum snd_soc_pcm_subclass pcm_subclass;
1187 struct snd_pcm_ops ops;
1189 unsigned int dev_registered:1;
1191 /* Dynamic PCM BE runtime data */
1192 struct snd_soc_dpcm_runtime dpcm[2];
1196 unsigned char pop_wait:1;
1198 /* runtime devices */
1199 struct snd_pcm *pcm;
1200 struct snd_compr *compr;
1201 struct snd_soc_codec *codec;
1202 struct snd_soc_platform *platform;
1203 struct snd_soc_dai *codec_dai;
1204 struct snd_soc_dai *cpu_dai;
1205 struct snd_soc_component *component; /* Only valid for AUX dev rtds */
1207 struct snd_soc_dai **codec_dais;
1208 unsigned int num_codecs;
1210 struct delayed_work delayed_work;
1211 #ifdef CONFIG_DEBUG_FS
1212 struct dentry *debugfs_dpcm_root;
1213 struct dentry *debugfs_dpcm_state;
1218 struct soc_mixer_control {
1219 int min, max, platform_max;
1221 unsigned int shift, rshift;
1222 unsigned int sign_bit;
1223 unsigned int invert:1;
1224 unsigned int autodisable:1;
1225 struct snd_soc_dobj dobj;
1234 struct soc_bytes_ext {
1236 struct snd_soc_dobj dobj;
1238 /* used for TLV byte control */
1239 int (*get)(unsigned int __user *bytes, unsigned int size);
1240 int (*put)(const unsigned int __user *bytes, unsigned int size);
1243 /* multi register control */
1244 struct soc_mreg_control {
1246 unsigned int regbase, regcount, nbits, invert;
1249 /* enumerated kcontrol */
1252 unsigned char shift_l;
1253 unsigned char shift_r;
1256 const char * const *texts;
1257 const unsigned int *values;
1258 unsigned int autodisable:1;
1259 struct snd_soc_dobj dobj;
1263 * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in
1264 * @component: The component to cast to a CODEC
1266 * This function must only be used on components that are known to be CODECs.
1267 * Otherwise the behavior is undefined.
1269 static inline struct snd_soc_codec *snd_soc_component_to_codec(
1270 struct snd_soc_component *component)
1272 return container_of(component, struct snd_soc_codec, component);
1276 * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
1277 * @component: The component to cast to a platform
1279 * This function must only be used on components that are known to be platforms.
1280 * Otherwise the behavior is undefined.
1282 static inline struct snd_soc_platform *snd_soc_component_to_platform(
1283 struct snd_soc_component *component)
1285 return container_of(component, struct snd_soc_platform, component);
1289 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1291 * @dapm: The DAPM context to cast to the component
1293 * This function must only be used on DAPM contexts that are known to be part of
1294 * a component (e.g. in a component driver). Otherwise the behavior is
1297 static inline struct snd_soc_component *snd_soc_dapm_to_component(
1298 struct snd_soc_dapm_context *dapm)
1300 return container_of(dapm, struct snd_soc_component, dapm);
1304 * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
1305 * @dapm: The DAPM context to cast to the CODEC
1307 * This function must only be used on DAPM contexts that are known to be part of
1308 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1310 static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
1311 struct snd_soc_dapm_context *dapm)
1313 return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm));
1317 * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
1319 * @dapm: The DAPM context to cast to the platform.
1321 * This function must only be used on DAPM contexts that are known to be part of
1322 * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
1324 static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
1325 struct snd_soc_dapm_context *dapm)
1327 return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
1331 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1333 * @component: The component for which to get the DAPM context
1335 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1336 struct snd_soc_component *component)
1338 return &component->dapm;
1342 * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC
1343 * @codec: The CODEC for which to get the DAPM context
1345 * Note: Use this function instead of directly accessing the CODEC's dapm field
1347 static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm(
1348 struct snd_soc_codec *codec)
1350 return snd_soc_component_get_dapm(&codec->component);
1354 * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level
1355 * @codec: The CODEC for which to initialize the DAPM bias level
1356 * @level: The DAPM level to initialize to
1358 * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level().
1360 static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec,
1361 enum snd_soc_bias_level level)
1363 snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level);
1367 * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level
1368 * @codec: The CODEC for which to get the DAPM bias level
1370 * Returns: The current DAPM bias level of the CODEC.
1372 static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level(
1373 struct snd_soc_codec *codec)
1375 return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec));
1379 * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level
1380 * @codec: The CODEC for which to set the level
1381 * @level: The level to set to
1383 * Forces the CODEC bias level to a specific state. See
1384 * snd_soc_dapm_force_bias_level().
1386 static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec,
1387 enum snd_soc_bias_level level)
1389 return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec),
1394 * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
1395 * @kcontrol: The kcontrol
1397 * This function must only be used on DAPM contexts that are known to be part of
1398 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1400 static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(
1401 struct snd_kcontrol *kcontrol)
1403 return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol));
1407 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1408 int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
1412 * snd_soc_cache_sync() - Sync the register cache with the hardware
1413 * @codec: CODEC to sync
1415 * Note: This function will call regcache_sync()
1417 static inline int snd_soc_cache_sync(struct snd_soc_codec *codec)
1419 return regcache_sync(codec->component.regmap);
1423 int snd_soc_component_read(struct snd_soc_component *component,
1424 unsigned int reg, unsigned int *val);
1425 int snd_soc_component_write(struct snd_soc_component *component,
1426 unsigned int reg, unsigned int val);
1427 int snd_soc_component_update_bits(struct snd_soc_component *component,
1428 unsigned int reg, unsigned int mask, unsigned int val);
1429 int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1430 unsigned int reg, unsigned int mask, unsigned int val);
1431 void snd_soc_component_async_complete(struct snd_soc_component *component);
1432 int snd_soc_component_test_bits(struct snd_soc_component *component,
1433 unsigned int reg, unsigned int mask, unsigned int value);
1435 #ifdef CONFIG_REGMAP
1437 void snd_soc_component_init_regmap(struct snd_soc_component *component,
1438 struct regmap *regmap);
1439 void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1442 * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC
1443 * @codec: The CODEC for which to initialize the regmap instance
1444 * @regmap: The regmap instance that should be used by the CODEC
1446 * This function allows deferred assignment of the regmap instance that is
1447 * associated with the CODEC. Only use this if the regmap instance is not yet
1448 * ready when the CODEC is registered. The function must also be called before
1449 * the first IO attempt of the CODEC.
1451 static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec,
1452 struct regmap *regmap)
1454 snd_soc_component_init_regmap(&codec->component, regmap);
1458 * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC
1459 * @codec: The CODEC for which to de-initialize the regmap instance
1461 * Calls regmap_exit() on the regmap instance associated to the CODEC and
1462 * removes the regmap instance from the CODEC.
1464 * This function should only be used if snd_soc_codec_init_regmap() was used to
1465 * initialize the regmap instance.
1467 static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec)
1469 snd_soc_component_exit_regmap(&codec->component);
1474 /* device driver data */
1476 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1479 card->drvdata = data;
1482 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1484 return card->drvdata;
1487 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1490 dev_set_drvdata(c->dev, data);
1493 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1495 return dev_get_drvdata(c->dev);
1498 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1501 snd_soc_component_set_drvdata(&codec->component, data);
1504 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1506 return snd_soc_component_get_drvdata(&codec->component);
1509 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1512 snd_soc_component_set_drvdata(&platform->component, data);
1515 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1517 return snd_soc_component_get_drvdata(&platform->component);
1520 static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd,
1523 dev_set_drvdata(rtd->dev, data);
1526 static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd)
1528 return dev_get_drvdata(rtd->dev);
1531 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1533 INIT_LIST_HEAD(&card->codec_dev_list);
1534 INIT_LIST_HEAD(&card->widgets);
1535 INIT_LIST_HEAD(&card->paths);
1536 INIT_LIST_HEAD(&card->dapm_list);
1539 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1541 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1544 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1545 * mc->reg != mc->rreg means that the control is
1546 * stereo (bits in one register or in two registers)
1551 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1559 for (i = 0; i < e->items; i++)
1560 if (val == e->values[i])
1566 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1572 return e->values[item];
1575 static inline bool snd_soc_component_is_active(
1576 struct snd_soc_component *component)
1578 return component->active != 0;
1581 static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
1583 return snd_soc_component_is_active(&codec->component);
1587 * snd_soc_kcontrol_component() - Returns the component that registered the
1589 * @kcontrol: The control for which to get the component
1591 * Note: This function will work correctly if the control has been registered
1592 * for a component. Either with snd_soc_add_codec_controls() or
1593 * snd_soc_add_platform_controls() or via table based setup for either a
1594 * CODEC, a platform or component driver. Otherwise the behavior is undefined.
1596 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1597 struct snd_kcontrol *kcontrol)
1599 return snd_kcontrol_chip(kcontrol);
1603 * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control
1604 * @kcontrol: The control for which to get the CODEC
1606 * Note: This function will only work correctly if the control has been
1607 * registered with snd_soc_add_codec_controls() or via table based setup of
1608 * snd_soc_codec_driver. Otherwise the behavior is undefined.
1610 static inline struct snd_soc_codec *snd_soc_kcontrol_codec(
1611 struct snd_kcontrol *kcontrol)
1613 return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
1617 * snd_soc_kcontrol_platform() - Returns the platform that registered the control
1618 * @kcontrol: The control for which to get the platform
1620 * Note: This function will only work correctly if the control has been
1621 * registered with snd_soc_add_platform_controls() or via table based setup of
1622 * a snd_soc_platform_driver. Otherwise the behavior is undefined.
1624 static inline struct snd_soc_platform *snd_soc_kcontrol_platform(
1625 struct snd_kcontrol *kcontrol)
1627 return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
1630 int snd_soc_util_init(void);
1631 void snd_soc_util_exit(void);
1633 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1634 const char *propname);
1635 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1636 const char *propname);
1637 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1638 unsigned int *tx_mask,
1639 unsigned int *rx_mask,
1640 unsigned int *slots,
1641 unsigned int *slot_width);
1642 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1643 struct snd_soc_codec_conf *codec_conf,
1644 struct device_node *of_node,
1645 const char *propname);
1646 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1647 const char *propname);
1648 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1650 struct device_node **bitclkmaster,
1651 struct device_node **framemaster);
1652 int snd_soc_of_get_dai_name(struct device_node *of_node,
1653 const char **dai_name);
1654 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1655 struct device_node *of_node,
1656 struct snd_soc_dai_link *dai_link);
1658 #include <sound/soc-dai.h>
1660 #ifdef CONFIG_DEBUG_FS
1661 extern struct dentry *snd_soc_debugfs_root;
1664 extern const struct dev_pm_ops snd_soc_pm_ops;
1666 /* Helper functions */
1667 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1669 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1672 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1674 mutex_unlock(&dapm->card->dapm_mutex);