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_register_component(struct device *dev,
472 const struct snd_soc_component_driver *cmpnt_drv,
473 struct snd_soc_dai_driver *dai_drv, int num_dai);
474 int devm_snd_soc_register_component(struct device *dev,
475 const struct snd_soc_component_driver *cmpnt_drv,
476 struct snd_soc_dai_driver *dai_drv, int num_dai);
477 void snd_soc_unregister_component(struct device *dev);
478 int snd_soc_cache_init(struct snd_soc_codec *codec);
479 int snd_soc_cache_exit(struct snd_soc_codec *codec);
481 int snd_soc_platform_read(struct snd_soc_platform *platform,
483 int snd_soc_platform_write(struct snd_soc_platform *platform,
484 unsigned int reg, unsigned int val);
485 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
486 #ifdef CONFIG_SND_SOC_COMPRESS
487 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
490 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
491 const char *dai_link, int stream);
492 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
493 const char *dai_link);
495 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
496 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
497 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
499 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
500 unsigned int dai_fmt);
502 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
504 /* Utility functions to get clock rates from various things */
505 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
506 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
507 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
508 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
510 /* set runtime hw params */
511 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
512 const struct snd_pcm_hardware *hw);
514 int soc_dai_hw_params(struct snd_pcm_substream *substream,
515 struct snd_pcm_hw_params *params,
516 struct snd_soc_dai *dai);
519 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
520 struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
521 unsigned int num_pins);
523 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
524 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
525 struct snd_soc_jack_pin *pins);
526 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
527 struct notifier_block *nb);
528 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
529 struct notifier_block *nb);
530 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
531 struct snd_soc_jack_zone *zones);
532 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
533 #ifdef CONFIG_GPIOLIB
534 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
535 struct snd_soc_jack_gpio *gpios);
536 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
537 struct snd_soc_jack *jack,
538 int count, struct snd_soc_jack_gpio *gpios);
539 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
540 struct snd_soc_jack_gpio *gpios);
542 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
543 struct snd_soc_jack_gpio *gpios)
548 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
549 struct snd_soc_jack *jack,
551 struct snd_soc_jack_gpio *gpios)
556 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
557 struct snd_soc_jack_gpio *gpios)
562 /* codec register bit access */
563 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
564 unsigned int mask, unsigned int value);
565 int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
566 unsigned int reg, unsigned int mask,
568 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
569 unsigned int mask, unsigned int value);
571 #ifdef CONFIG_SND_SOC_AC97_BUS
572 struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec);
573 struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
574 unsigned int id, unsigned int id_mask);
575 void snd_soc_free_ac97_codec(struct snd_ac97 *ac97);
577 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
578 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
579 struct platform_device *pdev);
581 extern struct snd_ac97_bus_ops *soc_ac97_ops;
583 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
584 struct platform_device *pdev)
589 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
598 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
599 void *data, const char *long_name,
601 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
603 int snd_soc_add_component_controls(struct snd_soc_component *component,
604 const struct snd_kcontrol_new *controls, unsigned int num_controls);
605 int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
606 const struct snd_kcontrol_new *controls, unsigned int num_controls);
607 int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
608 const struct snd_kcontrol_new *controls, unsigned int num_controls);
609 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
610 const struct snd_kcontrol_new *controls, int num_controls);
611 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
612 const struct snd_kcontrol_new *controls, int num_controls);
613 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
614 struct snd_ctl_elem_info *uinfo);
615 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
616 struct snd_ctl_elem_value *ucontrol);
617 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
618 struct snd_ctl_elem_value *ucontrol);
619 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
620 struct snd_ctl_elem_info *uinfo);
621 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
622 struct snd_ctl_elem_info *uinfo);
623 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
624 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
625 struct snd_ctl_elem_value *ucontrol);
626 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
627 struct snd_ctl_elem_value *ucontrol);
628 #define snd_soc_get_volsw_2r snd_soc_get_volsw
629 #define snd_soc_put_volsw_2r snd_soc_put_volsw
630 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
631 struct snd_ctl_elem_value *ucontrol);
632 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
633 struct snd_ctl_elem_value *ucontrol);
634 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
635 struct snd_ctl_elem_info *uinfo);
636 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
637 struct snd_ctl_elem_value *ucontrol);
638 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
639 struct snd_ctl_elem_value *ucontrol);
640 int snd_soc_limit_volume(struct snd_soc_card *card,
641 const char *name, int max);
642 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
643 struct snd_ctl_elem_info *uinfo);
644 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
645 struct snd_ctl_elem_value *ucontrol);
646 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
647 struct snd_ctl_elem_value *ucontrol);
648 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
649 struct snd_ctl_elem_info *ucontrol);
650 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
651 unsigned int size, unsigned int __user *tlv);
652 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
653 struct snd_ctl_elem_info *uinfo);
654 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
655 struct snd_ctl_elem_value *ucontrol);
656 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
657 struct snd_ctl_elem_value *ucontrol);
658 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
659 struct snd_ctl_elem_value *ucontrol);
660 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
661 struct snd_ctl_elem_value *ucontrol);
664 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
666 * @pin: name of the pin to update
667 * @mask: bits to check for in reported jack status
668 * @invert: if non-zero then pin is enabled when status is not reported
669 * @list: internal list entry
671 struct snd_soc_jack_pin {
672 struct list_head list;
679 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
681 * @min_mv: start voltage in mv
682 * @max_mv: end voltage in mv
683 * @jack_type: type of jack that is expected for this voltage
684 * @debounce_time: debounce_time for jack, codec driver should wait for this
685 * duration before reading the adc for voltages
686 * @list: internal list entry
688 struct snd_soc_jack_zone {
691 unsigned int jack_type;
692 unsigned int debounce_time;
693 struct list_head list;
697 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
699 * @gpio: legacy gpio number
700 * @idx: gpio descriptor index within the function of the GPIO
702 * @gpiod_dev: GPIO consumer device
703 * @name: gpio name. Also as connection ID for the GPIO consumer
704 * device function name lookup
705 * @report: value to report when jack detected
706 * @invert: report presence in low state
707 * @debounce_time: debounce time in ms
708 * @wake: enable as wake source
709 * @jack_status_check: callback function which overrides the detection
710 * to provide more complex checks (eg, reading an
713 struct snd_soc_jack_gpio {
716 struct device *gpiod_dev;
724 struct snd_soc_jack *jack;
725 struct delayed_work work;
726 struct notifier_block pm_notifier;
727 struct gpio_desc *desc;
731 int (*jack_status_check)(void *data);
734 struct snd_soc_jack {
736 struct snd_jack *jack;
737 struct snd_soc_card *card;
738 struct list_head pins;
740 struct blocking_notifier_head notifier;
741 struct list_head jack_zones;
744 /* SoC PCM stream information */
745 struct snd_soc_pcm_stream {
746 const char *stream_name;
747 u64 formats; /* SNDRV_PCM_FMTBIT_* */
748 unsigned int rates; /* SNDRV_PCM_RATE_* */
749 unsigned int rate_min; /* min rate */
750 unsigned int rate_max; /* max rate */
751 unsigned int channels_min; /* min channels */
752 unsigned int channels_max; /* max channels */
753 unsigned int sig_bits; /* number of bits of content */
758 int (*startup)(struct snd_pcm_substream *);
759 void (*shutdown)(struct snd_pcm_substream *);
760 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
761 int (*hw_free)(struct snd_pcm_substream *);
762 int (*prepare)(struct snd_pcm_substream *);
763 int (*trigger)(struct snd_pcm_substream *, int);
766 struct snd_soc_compr_ops {
767 int (*startup)(struct snd_compr_stream *);
768 void (*shutdown)(struct snd_compr_stream *);
769 int (*set_params)(struct snd_compr_stream *);
770 int (*trigger)(struct snd_compr_stream *);
773 /* component interface */
774 struct snd_soc_component_driver {
777 /* Default control and setup, added after probe() is run */
778 const struct snd_kcontrol_new *controls;
779 unsigned int num_controls;
780 const struct snd_soc_dapm_widget *dapm_widgets;
781 unsigned int num_dapm_widgets;
782 const struct snd_soc_dapm_route *dapm_routes;
783 unsigned int num_dapm_routes;
785 int (*probe)(struct snd_soc_component *);
786 void (*remove)(struct snd_soc_component *);
787 int (*suspend)(struct snd_soc_component *);
788 int (*resume)(struct snd_soc_component *);
790 /* pcm creation and destruction */
791 int (*pcm_new)(struct snd_soc_pcm_runtime *);
792 void (*pcm_free)(struct snd_pcm *);
795 int (*of_xlate_dai_name)(struct snd_soc_component *component,
796 struct of_phandle_args *args,
797 const char **dai_name);
798 void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
800 int (*stream_event)(struct snd_soc_component *, int event);
802 /* probe ordering - for components with runtime dependencies */
807 struct snd_soc_component {
810 const char *name_prefix;
812 struct snd_soc_card *card;
816 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
817 unsigned int registered_as_component:1;
818 unsigned int auxiliary:1; /* for auxiliary component of the card */
819 unsigned int suspended:1; /* is in suspend PM state */
821 struct list_head list;
822 struct list_head card_aux_list; /* for auxiliary bound components */
823 struct list_head card_list;
825 struct snd_soc_dai_driver *dai_drv;
828 const struct snd_soc_component_driver *driver;
830 struct list_head dai_list;
832 int (*read)(struct snd_soc_component *, unsigned int, unsigned int *);
833 int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
835 struct regmap *regmap;
838 struct mutex io_mutex;
840 /* attached dynamic objects */
841 struct list_head dobj_list;
843 #ifdef CONFIG_DEBUG_FS
844 struct dentry *debugfs_root;
848 * DO NOT use any of the fields below in drivers, they are temporary and
849 * are going to be removed again soon. If you use them in driver code the
850 * driver will be marked as BROKEN when these fields are removed.
853 /* Don't use these, use snd_soc_component_get_dapm() */
854 struct snd_soc_dapm_context dapm;
856 const struct snd_kcontrol_new *controls;
857 unsigned int num_controls;
858 const struct snd_soc_dapm_widget *dapm_widgets;
859 unsigned int num_dapm_widgets;
860 const struct snd_soc_dapm_route *dapm_routes;
861 unsigned int num_dapm_routes;
862 struct snd_soc_codec *codec;
864 int (*probe)(struct snd_soc_component *);
865 void (*remove)(struct snd_soc_component *);
866 int (*suspend)(struct snd_soc_component *);
867 int (*resume)(struct snd_soc_component *);
868 int (*pcm_new)(struct snd_soc_pcm_runtime *);
869 void (*pcm_free)(struct snd_pcm *);
871 /* machine specific init */
872 int (*init)(struct snd_soc_component *component);
874 #ifdef CONFIG_DEBUG_FS
875 void (*init_debugfs)(struct snd_soc_component *component);
876 const char *debugfs_prefix;
880 /* SoC Audio Codec device */
881 struct snd_soc_codec {
883 const struct snd_soc_codec_driver *driver;
885 struct list_head list;
888 unsigned int cache_bypass:1; /* Suppress access to the cache */
889 unsigned int cache_init:1; /* codec cache has been initialized */
892 void *control_data; /* codec control (i2c/3wire) data */
897 struct snd_soc_component component;
899 #ifdef CONFIG_DEBUG_FS
900 struct dentry *debugfs_reg;
905 struct snd_soc_codec_driver {
908 int (*probe)(struct snd_soc_codec *);
909 int (*remove)(struct snd_soc_codec *);
910 int (*suspend)(struct snd_soc_codec *);
911 int (*resume)(struct snd_soc_codec *);
912 struct snd_soc_component_driver component_driver;
914 /* codec wide operations */
915 int (*set_sysclk)(struct snd_soc_codec *codec,
916 int clk_id, int source, unsigned int freq, int dir);
917 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
918 unsigned int freq_in, unsigned int freq_out);
919 int (*set_jack)(struct snd_soc_codec *codec,
920 struct snd_soc_jack *jack, void *data);
923 struct regmap *(*get_regmap)(struct device *);
924 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
925 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
926 unsigned int reg_cache_size;
927 short reg_cache_step;
929 const void *reg_cache_default;
931 /* codec bias level */
932 int (*set_bias_level)(struct snd_soc_codec *,
933 enum snd_soc_bias_level level);
935 bool suspend_bias_off;
937 void (*seq_notifier)(struct snd_soc_dapm_context *,
938 enum snd_soc_dapm_type, int);
940 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */
943 /* SoC platform interface */
944 struct snd_soc_platform_driver {
946 int (*probe)(struct snd_soc_platform *);
947 int (*remove)(struct snd_soc_platform *);
948 struct snd_soc_component_driver component_driver;
950 /* pcm creation and destruction */
951 int (*pcm_new)(struct snd_soc_pcm_runtime *);
952 void (*pcm_free)(struct snd_pcm *);
954 /* platform stream pcm ops */
955 const struct snd_pcm_ops *ops;
957 /* platform stream compress ops */
958 const struct snd_compr_ops *compr_ops;
961 struct snd_soc_dai_link_component {
963 struct device_node *of_node;
964 const char *dai_name;
967 struct snd_soc_platform {
969 const struct snd_soc_platform_driver *driver;
971 struct list_head list;
973 struct snd_soc_component component;
976 struct snd_soc_dai_link {
977 /* config - must be set by machine driver */
978 const char *name; /* Codec name */
979 const char *stream_name; /* Stream name */
981 * You MAY specify the link's CPU-side device, either by device name,
982 * or by DT/OF node, but not both. If this information is omitted,
983 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
984 * must be globally unique. These fields are currently typically used
985 * only for codec to codec links, or systems using device tree.
987 const char *cpu_name;
988 struct device_node *cpu_of_node;
990 * You MAY specify the DAI name of the CPU DAI. If this information is
991 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
992 * only, which only works well when that device exposes a single DAI.
994 const char *cpu_dai_name;
996 * You MUST specify the link's codec, either by device name, or by
997 * DT/OF node, but not both.
999 const char *codec_name;
1000 struct device_node *codec_of_node;
1001 /* You MUST specify the DAI name within the codec */
1002 const char *codec_dai_name;
1004 struct snd_soc_dai_link_component *codecs;
1005 unsigned int num_codecs;
1008 * You MAY specify the link's platform/PCM/DMA driver, either by
1009 * device name, or by DT/OF node, but not both. Some forms of link
1010 * do not need a platform.
1012 const char *platform_name;
1013 struct device_node *platform_of_node;
1014 int id; /* optional ID for machine driver link identification */
1016 const struct snd_soc_pcm_stream *params;
1017 unsigned int num_params;
1019 unsigned int dai_fmt; /* format to set on init */
1021 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
1023 /* codec/machine specific init - e.g. add machine controls */
1024 int (*init)(struct snd_soc_pcm_runtime *rtd);
1026 /* optional hw_params re-writing for BE and FE sync */
1027 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
1028 struct snd_pcm_hw_params *params);
1030 /* machine stream operations */
1031 const struct snd_soc_ops *ops;
1032 const struct snd_soc_compr_ops *compr_ops;
1034 /* Mark this pcm with non atomic ops */
1037 /* For unidirectional dai links */
1038 unsigned int playback_only:1;
1039 unsigned int capture_only:1;
1041 /* Keep DAI active over suspend */
1042 unsigned int ignore_suspend:1;
1044 /* Symmetry requirements */
1045 unsigned int symmetric_rates:1;
1046 unsigned int symmetric_channels:1;
1047 unsigned int symmetric_samplebits:1;
1049 /* Do not create a PCM for this DAI link (Backend link) */
1050 unsigned int no_pcm:1;
1052 /* This DAI link can route to other DAI links at runtime (Frontend)*/
1053 unsigned int dynamic:1;
1055 /* DPCM capture and Playback support */
1056 unsigned int dpcm_capture:1;
1057 unsigned int dpcm_playback:1;
1059 /* DPCM used FE & BE merged format */
1060 unsigned int dpcm_merged_format:1;
1062 /* pmdown_time is ignored at stop */
1063 unsigned int ignore_pmdown_time:1;
1065 struct list_head list; /* DAI link list of the soc card */
1066 struct snd_soc_dobj dobj; /* For topology */
1069 struct snd_soc_codec_conf {
1071 * specify device either by device name, or by
1072 * DT/OF node, but not both.
1074 const char *dev_name;
1075 struct device_node *of_node;
1078 * optional map of kcontrol, widget and path name prefixes that are
1079 * associated per device
1081 const char *name_prefix;
1084 struct snd_soc_aux_dev {
1085 const char *name; /* Codec name */
1088 * specify multi-codec either by device name, or by
1089 * DT/OF node, but not both.
1091 const char *codec_name;
1092 struct device_node *codec_of_node;
1094 /* codec/machine specific init - e.g. add machine controls */
1095 int (*init)(struct snd_soc_component *component);
1099 struct snd_soc_card {
1101 const char *long_name;
1102 const char *driver_name;
1103 char dmi_longname[80];
1106 struct snd_card *snd_card;
1107 struct module *owner;
1110 struct mutex dapm_mutex;
1114 int (*probe)(struct snd_soc_card *card);
1115 int (*late_probe)(struct snd_soc_card *card);
1116 int (*remove)(struct snd_soc_card *card);
1118 /* the pre and post PM functions are used to do any PM work before and
1119 * after the codec and DAI's do any PM work. */
1120 int (*suspend_pre)(struct snd_soc_card *card);
1121 int (*suspend_post)(struct snd_soc_card *card);
1122 int (*resume_pre)(struct snd_soc_card *card);
1123 int (*resume_post)(struct snd_soc_card *card);
1126 int (*set_bias_level)(struct snd_soc_card *,
1127 struct snd_soc_dapm_context *dapm,
1128 enum snd_soc_bias_level level);
1129 int (*set_bias_level_post)(struct snd_soc_card *,
1130 struct snd_soc_dapm_context *dapm,
1131 enum snd_soc_bias_level level);
1133 int (*add_dai_link)(struct snd_soc_card *,
1134 struct snd_soc_dai_link *link);
1135 void (*remove_dai_link)(struct snd_soc_card *,
1136 struct snd_soc_dai_link *link);
1140 /* CPU <--> Codec DAI links */
1141 struct snd_soc_dai_link *dai_link; /* predefined links only */
1142 int num_links; /* predefined links only */
1143 struct list_head dai_link_list; /* all links */
1146 struct list_head rtd_list;
1149 /* optional codec specific configuration */
1150 struct snd_soc_codec_conf *codec_conf;
1154 * optional auxiliary devices such as amplifiers or codecs with DAI
1157 struct snd_soc_aux_dev *aux_dev;
1159 struct list_head aux_comp_list;
1161 const struct snd_kcontrol_new *controls;
1165 * Card-specific routes and widgets.
1166 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1168 const struct snd_soc_dapm_widget *dapm_widgets;
1169 int num_dapm_widgets;
1170 const struct snd_soc_dapm_route *dapm_routes;
1171 int num_dapm_routes;
1172 const struct snd_soc_dapm_widget *of_dapm_widgets;
1173 int num_of_dapm_widgets;
1174 const struct snd_soc_dapm_route *of_dapm_routes;
1175 int num_of_dapm_routes;
1178 struct work_struct deferred_resume_work;
1180 /* lists of probed devices belonging to this card */
1181 struct list_head component_dev_list;
1183 struct list_head widgets;
1184 struct list_head paths;
1185 struct list_head dapm_list;
1186 struct list_head dapm_dirty;
1188 /* attached dynamic objects */
1189 struct list_head dobj_list;
1191 /* Generic DAPM context for the card */
1192 struct snd_soc_dapm_context dapm;
1193 struct snd_soc_dapm_stats dapm_stats;
1194 struct snd_soc_dapm_update *update;
1196 #ifdef CONFIG_DEBUG_FS
1197 struct dentry *debugfs_card_root;
1198 struct dentry *debugfs_pop_time;
1205 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1206 struct snd_soc_pcm_runtime {
1208 struct snd_soc_card *card;
1209 struct snd_soc_dai_link *dai_link;
1210 struct mutex pcm_mutex;
1211 enum snd_soc_pcm_subclass pcm_subclass;
1212 struct snd_pcm_ops ops;
1214 /* Dynamic PCM BE runtime data */
1215 struct snd_soc_dpcm_runtime dpcm[2];
1220 /* runtime devices */
1221 struct snd_pcm *pcm;
1222 struct snd_compr *compr;
1223 struct snd_soc_codec *codec;
1224 struct snd_soc_platform *platform;
1225 struct snd_soc_dai *codec_dai;
1226 struct snd_soc_dai *cpu_dai;
1228 struct snd_soc_dai **codec_dais;
1229 unsigned int num_codecs;
1231 struct delayed_work delayed_work;
1232 #ifdef CONFIG_DEBUG_FS
1233 struct dentry *debugfs_dpcm_root;
1234 struct dentry *debugfs_dpcm_state;
1237 unsigned int num; /* 0-based and monotonic increasing */
1238 struct list_head list; /* rtd list of the soc card */
1241 unsigned int dev_registered:1;
1242 unsigned int pop_wait:1;
1246 struct soc_mixer_control {
1247 int min, max, platform_max;
1249 unsigned int shift, rshift;
1250 unsigned int sign_bit;
1251 unsigned int invert:1;
1252 unsigned int autodisable:1;
1253 struct snd_soc_dobj dobj;
1262 struct soc_bytes_ext {
1264 struct snd_soc_dobj dobj;
1266 /* used for TLV byte control */
1267 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1269 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1273 /* multi register control */
1274 struct soc_mreg_control {
1276 unsigned int regbase, regcount, nbits, invert;
1279 /* enumerated kcontrol */
1282 unsigned char shift_l;
1283 unsigned char shift_r;
1286 const char * const *texts;
1287 const unsigned int *values;
1288 unsigned int autodisable:1;
1289 struct snd_soc_dobj dobj;
1293 * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in
1294 * @component: The component to cast to a CODEC
1296 * This function must only be used on components that are known to be CODECs.
1297 * Otherwise the behavior is undefined.
1299 static inline struct snd_soc_codec *snd_soc_component_to_codec(
1300 struct snd_soc_component *component)
1302 return container_of(component, struct snd_soc_codec, component);
1306 * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
1307 * @component: The component to cast to a platform
1309 * This function must only be used on components that are known to be platforms.
1310 * Otherwise the behavior is undefined.
1312 static inline struct snd_soc_platform *snd_soc_component_to_platform(
1313 struct snd_soc_component *component)
1315 return container_of(component, struct snd_soc_platform, component);
1319 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1321 * @dapm: The DAPM context to cast to the component
1323 * This function must only be used on DAPM contexts that are known to be part of
1324 * a component (e.g. in a component driver). Otherwise the behavior is
1327 static inline struct snd_soc_component *snd_soc_dapm_to_component(
1328 struct snd_soc_dapm_context *dapm)
1330 return container_of(dapm, struct snd_soc_component, dapm);
1334 * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
1335 * @dapm: The DAPM context to cast to the CODEC
1337 * This function must only be used on DAPM contexts that are known to be part of
1338 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1340 static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
1341 struct snd_soc_dapm_context *dapm)
1343 return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm));
1347 * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
1349 * @dapm: The DAPM context to cast to the platform.
1351 * This function must only be used on DAPM contexts that are known to be part of
1352 * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
1354 static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
1355 struct snd_soc_dapm_context *dapm)
1357 return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
1361 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1363 * @component: The component for which to get the DAPM context
1365 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1366 struct snd_soc_component *component)
1368 return &component->dapm;
1372 * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC
1373 * @codec: The CODEC for which to get the DAPM context
1375 * Note: Use this function instead of directly accessing the CODEC's dapm field
1377 static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm(
1378 struct snd_soc_codec *codec)
1380 return snd_soc_component_get_dapm(&codec->component);
1384 * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level
1385 * @codec: The CODEC for which to initialize the DAPM bias level
1386 * @level: The DAPM level to initialize to
1388 * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level().
1390 static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec,
1391 enum snd_soc_bias_level level)
1393 snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level);
1397 * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level
1398 * @codec: The CODEC for which to get the DAPM bias level
1400 * Returns: The current DAPM bias level of the CODEC.
1402 static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level(
1403 struct snd_soc_codec *codec)
1405 return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec));
1409 * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level
1410 * @codec: The CODEC for which to set the level
1411 * @level: The level to set to
1413 * Forces the CODEC bias level to a specific state. See
1414 * snd_soc_dapm_force_bias_level().
1416 static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec,
1417 enum snd_soc_bias_level level)
1419 return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec),
1424 * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
1425 * @kcontrol: The kcontrol
1427 * This function must only be used on DAPM contexts that are known to be part of
1428 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1430 static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(
1431 struct snd_kcontrol *kcontrol)
1433 return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol));
1437 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1438 int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
1442 * snd_soc_cache_sync() - Sync the register cache with the hardware
1443 * @codec: CODEC to sync
1445 * Note: This function will call regcache_sync()
1447 static inline int snd_soc_cache_sync(struct snd_soc_codec *codec)
1449 return regcache_sync(codec->component.regmap);
1453 int snd_soc_component_read(struct snd_soc_component *component,
1454 unsigned int reg, unsigned int *val);
1455 int snd_soc_component_write(struct snd_soc_component *component,
1456 unsigned int reg, unsigned int val);
1457 int snd_soc_component_update_bits(struct snd_soc_component *component,
1458 unsigned int reg, unsigned int mask, unsigned int val);
1459 int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1460 unsigned int reg, unsigned int mask, unsigned int val);
1461 void snd_soc_component_async_complete(struct snd_soc_component *component);
1462 int snd_soc_component_test_bits(struct snd_soc_component *component,
1463 unsigned int reg, unsigned int mask, unsigned int value);
1465 #ifdef CONFIG_REGMAP
1467 void snd_soc_component_init_regmap(struct snd_soc_component *component,
1468 struct regmap *regmap);
1469 void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1472 * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC
1473 * @codec: The CODEC for which to initialize the regmap instance
1474 * @regmap: The regmap instance that should be used by the CODEC
1476 * This function allows deferred assignment of the regmap instance that is
1477 * associated with the CODEC. Only use this if the regmap instance is not yet
1478 * ready when the CODEC is registered. The function must also be called before
1479 * the first IO attempt of the CODEC.
1481 static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec,
1482 struct regmap *regmap)
1484 snd_soc_component_init_regmap(&codec->component, regmap);
1488 * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC
1489 * @codec: The CODEC for which to de-initialize the regmap instance
1491 * Calls regmap_exit() on the regmap instance associated to the CODEC and
1492 * removes the regmap instance from the CODEC.
1494 * This function should only be used if snd_soc_codec_init_regmap() was used to
1495 * initialize the regmap instance.
1497 static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec)
1499 snd_soc_component_exit_regmap(&codec->component);
1504 /* device driver data */
1506 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1509 card->drvdata = data;
1512 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1514 return card->drvdata;
1517 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1520 dev_set_drvdata(c->dev, data);
1523 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1525 return dev_get_drvdata(c->dev);
1528 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1531 snd_soc_component_set_drvdata(&codec->component, data);
1534 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1536 return snd_soc_component_get_drvdata(&codec->component);
1539 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1542 snd_soc_component_set_drvdata(&platform->component, data);
1545 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1547 return snd_soc_component_get_drvdata(&platform->component);
1550 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1552 INIT_LIST_HEAD(&card->widgets);
1553 INIT_LIST_HEAD(&card->paths);
1554 INIT_LIST_HEAD(&card->dapm_list);
1555 INIT_LIST_HEAD(&card->aux_comp_list);
1556 INIT_LIST_HEAD(&card->component_dev_list);
1559 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1561 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1564 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1565 * mc->reg != mc->rreg means that the control is
1566 * stereo (bits in one register or in two registers)
1571 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1579 for (i = 0; i < e->items; i++)
1580 if (val == e->values[i])
1586 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1592 return e->values[item];
1595 static inline bool snd_soc_component_is_active(
1596 struct snd_soc_component *component)
1598 return component->active != 0;
1601 static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
1603 return snd_soc_component_is_active(&codec->component);
1607 * snd_soc_kcontrol_component() - Returns the component that registered the
1609 * @kcontrol: The control for which to get the component
1611 * Note: This function will work correctly if the control has been registered
1612 * for a component. Either with snd_soc_add_codec_controls() or
1613 * snd_soc_add_platform_controls() or via table based setup for either a
1614 * CODEC, a platform or component driver. Otherwise the behavior is undefined.
1616 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1617 struct snd_kcontrol *kcontrol)
1619 return snd_kcontrol_chip(kcontrol);
1623 * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control
1624 * @kcontrol: The control for which to get the CODEC
1626 * Note: This function will only work correctly if the control has been
1627 * registered with snd_soc_add_codec_controls() or via table based setup of
1628 * snd_soc_codec_driver. Otherwise the behavior is undefined.
1630 static inline struct snd_soc_codec *snd_soc_kcontrol_codec(
1631 struct snd_kcontrol *kcontrol)
1633 return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
1637 * snd_soc_kcontrol_platform() - Returns the platform that registered the control
1638 * @kcontrol: The control for which to get the platform
1640 * Note: This function will only work correctly if the control has been
1641 * registered with snd_soc_add_platform_controls() or via table based setup of
1642 * a snd_soc_platform_driver. Otherwise the behavior is undefined.
1644 static inline struct snd_soc_platform *snd_soc_kcontrol_platform(
1645 struct snd_kcontrol *kcontrol)
1647 return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
1650 int snd_soc_util_init(void);
1651 void snd_soc_util_exit(void);
1653 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1654 const char *propname);
1655 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1656 const char *propname);
1657 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1658 unsigned int *tx_mask,
1659 unsigned int *rx_mask,
1660 unsigned int *slots,
1661 unsigned int *slot_width);
1662 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1663 struct snd_soc_codec_conf *codec_conf,
1664 struct device_node *of_node,
1665 const char *propname);
1666 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1667 const char *propname);
1668 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1670 struct device_node **bitclkmaster,
1671 struct device_node **framemaster);
1672 int snd_soc_get_dai_name(struct of_phandle_args *args,
1673 const char **dai_name);
1674 int snd_soc_of_get_dai_name(struct device_node *of_node,
1675 const char **dai_name);
1676 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1677 struct device_node *of_node,
1678 struct snd_soc_dai_link *dai_link);
1680 int snd_soc_add_dai_link(struct snd_soc_card *card,
1681 struct snd_soc_dai_link *dai_link);
1682 void snd_soc_remove_dai_link(struct snd_soc_card *card,
1683 struct snd_soc_dai_link *dai_link);
1684 struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1685 int id, const char *name,
1686 const char *stream_name);
1688 int snd_soc_register_dai(struct snd_soc_component *component,
1689 struct snd_soc_dai_driver *dai_drv);
1691 struct snd_soc_dai *snd_soc_find_dai(
1692 const struct snd_soc_dai_link_component *dlc);
1694 #include <sound/soc-dai.h>
1696 #ifdef CONFIG_DEBUG_FS
1697 extern struct dentry *snd_soc_debugfs_root;
1700 extern const struct dev_pm_ops snd_soc_pm_ops;
1702 /* Helper functions */
1703 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1705 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1708 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1710 mutex_unlock(&dapm->card->dapm_mutex);
1713 int snd_soc_component_enable_pin(struct snd_soc_component *component,
1715 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1717 int snd_soc_component_disable_pin(struct snd_soc_component *component,
1719 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1721 int snd_soc_component_nc_pin(struct snd_soc_component *component,
1723 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1725 int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1727 int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1729 int snd_soc_component_force_enable_pin_unlocked(
1730 struct snd_soc_component *component,