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);
438 int snd_soc_register_card(struct snd_soc_card *card);
439 int snd_soc_unregister_card(struct snd_soc_card *card);
440 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
441 #ifdef CONFIG_PM_SLEEP
442 int snd_soc_suspend(struct device *dev);
443 int snd_soc_resume(struct device *dev);
445 static inline int snd_soc_suspend(struct device *dev)
450 static inline int snd_soc_resume(struct device *dev)
455 int snd_soc_poweroff(struct device *dev);
456 int snd_soc_register_platform(struct device *dev,
457 const struct snd_soc_platform_driver *platform_drv);
458 int devm_snd_soc_register_platform(struct device *dev,
459 const struct snd_soc_platform_driver *platform_drv);
460 void snd_soc_unregister_platform(struct device *dev);
461 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
462 const struct snd_soc_platform_driver *platform_drv);
463 void snd_soc_remove_platform(struct snd_soc_platform *platform);
464 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
465 int snd_soc_register_codec(struct device *dev,
466 const struct snd_soc_codec_driver *codec_drv,
467 struct snd_soc_dai_driver *dai_drv, int num_dai);
468 void snd_soc_unregister_codec(struct device *dev);
469 int snd_soc_register_component(struct device *dev,
470 const struct snd_soc_component_driver *cmpnt_drv,
471 struct snd_soc_dai_driver *dai_drv, int num_dai);
472 int devm_snd_soc_register_component(struct device *dev,
473 const struct snd_soc_component_driver *cmpnt_drv,
474 struct snd_soc_dai_driver *dai_drv, int num_dai);
475 void snd_soc_unregister_component(struct device *dev);
476 int snd_soc_cache_init(struct snd_soc_codec *codec);
477 int snd_soc_cache_exit(struct snd_soc_codec *codec);
479 int snd_soc_platform_read(struct snd_soc_platform *platform,
481 int snd_soc_platform_write(struct snd_soc_platform *platform,
482 unsigned int reg, unsigned int val);
483 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
484 #ifdef CONFIG_SND_SOC_COMPRESS
485 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
488 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
489 const char *dai_link, int stream);
490 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
491 const char *dai_link);
493 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
494 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
495 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
497 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
498 unsigned int dai_fmt);
501 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
503 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
510 /* Utility functions to get clock rates from various things */
511 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
512 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
513 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
514 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
516 /* set runtime hw params */
517 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
518 const struct snd_pcm_hardware *hw);
520 int soc_dai_hw_params(struct snd_pcm_substream *substream,
521 struct snd_pcm_hw_params *params,
522 struct snd_soc_dai *dai);
525 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
526 struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
527 unsigned int num_pins);
529 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
530 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
531 struct snd_soc_jack_pin *pins);
532 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
533 struct notifier_block *nb);
534 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
535 struct notifier_block *nb);
536 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
537 struct snd_soc_jack_zone *zones);
538 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
539 #ifdef CONFIG_GPIOLIB
540 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
541 struct snd_soc_jack_gpio *gpios);
542 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
543 struct snd_soc_jack *jack,
544 int count, struct snd_soc_jack_gpio *gpios);
545 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
546 struct snd_soc_jack_gpio *gpios);
548 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
549 struct snd_soc_jack_gpio *gpios)
554 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
555 struct snd_soc_jack *jack,
557 struct snd_soc_jack_gpio *gpios)
562 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
563 struct snd_soc_jack_gpio *gpios)
568 /* codec register bit access */
569 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
570 unsigned int mask, unsigned int value);
571 int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
572 unsigned int reg, unsigned int mask,
574 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
575 unsigned int mask, unsigned int value);
577 #ifdef CONFIG_SND_SOC_AC97_BUS
578 struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec);
579 struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
580 unsigned int id, unsigned int id_mask);
581 void snd_soc_free_ac97_codec(struct snd_ac97 *ac97);
583 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
584 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
585 struct platform_device *pdev);
587 extern struct snd_ac97_bus_ops *soc_ac97_ops;
589 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
590 struct platform_device *pdev)
595 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
604 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
605 void *data, const char *long_name,
607 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
609 int snd_soc_add_component_controls(struct snd_soc_component *component,
610 const struct snd_kcontrol_new *controls, unsigned int num_controls);
611 int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
612 const struct snd_kcontrol_new *controls, unsigned int num_controls);
613 int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
614 const struct snd_kcontrol_new *controls, unsigned int num_controls);
615 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
616 const struct snd_kcontrol_new *controls, int num_controls);
617 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
618 const struct snd_kcontrol_new *controls, int num_controls);
619 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
620 struct snd_ctl_elem_info *uinfo);
621 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
622 struct snd_ctl_elem_value *ucontrol);
623 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
624 struct snd_ctl_elem_value *ucontrol);
625 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
626 struct snd_ctl_elem_info *uinfo);
627 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
628 struct snd_ctl_elem_info *uinfo);
629 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
630 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
631 struct snd_ctl_elem_value *ucontrol);
632 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
633 struct snd_ctl_elem_value *ucontrol);
634 #define snd_soc_get_volsw_2r snd_soc_get_volsw
635 #define snd_soc_put_volsw_2r snd_soc_put_volsw
636 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
637 struct snd_ctl_elem_value *ucontrol);
638 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
639 struct snd_ctl_elem_value *ucontrol);
640 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
641 struct snd_ctl_elem_info *uinfo);
642 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
643 struct snd_ctl_elem_value *ucontrol);
644 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
645 struct snd_ctl_elem_value *ucontrol);
646 int snd_soc_limit_volume(struct snd_soc_card *card,
647 const char *name, int max);
648 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
649 struct snd_ctl_elem_info *uinfo);
650 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
651 struct snd_ctl_elem_value *ucontrol);
652 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
653 struct snd_ctl_elem_value *ucontrol);
654 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
655 struct snd_ctl_elem_info *ucontrol);
656 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
657 unsigned int size, unsigned int __user *tlv);
658 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
659 struct snd_ctl_elem_info *uinfo);
660 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
661 struct snd_ctl_elem_value *ucontrol);
662 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
663 struct snd_ctl_elem_value *ucontrol);
664 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
665 struct snd_ctl_elem_value *ucontrol);
666 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
667 struct snd_ctl_elem_value *ucontrol);
670 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
672 * @pin: name of the pin to update
673 * @mask: bits to check for in reported jack status
674 * @invert: if non-zero then pin is enabled when status is not reported
675 * @list: internal list entry
677 struct snd_soc_jack_pin {
678 struct list_head list;
685 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
687 * @min_mv: start voltage in mv
688 * @max_mv: end voltage in mv
689 * @jack_type: type of jack that is expected for this voltage
690 * @debounce_time: debounce_time for jack, codec driver should wait for this
691 * duration before reading the adc for voltages
692 * @list: internal list entry
694 struct snd_soc_jack_zone {
697 unsigned int jack_type;
698 unsigned int debounce_time;
699 struct list_head list;
703 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
705 * @gpio: legacy gpio number
706 * @idx: gpio descriptor index within the function of the GPIO
708 * @gpiod_dev: GPIO consumer device
709 * @name: gpio name. Also as connection ID for the GPIO consumer
710 * device function name lookup
711 * @report: value to report when jack detected
712 * @invert: report presence in low state
713 * @debounce_time: debounce time in ms
714 * @wake: enable as wake source
715 * @jack_status_check: callback function which overrides the detection
716 * to provide more complex checks (eg, reading an
719 struct snd_soc_jack_gpio {
722 struct device *gpiod_dev;
730 struct snd_soc_jack *jack;
731 struct delayed_work work;
732 struct gpio_desc *desc;
736 int (*jack_status_check)(void *data);
739 struct snd_soc_jack {
741 struct snd_jack *jack;
742 struct snd_soc_card *card;
743 struct list_head pins;
745 struct blocking_notifier_head notifier;
746 struct list_head jack_zones;
749 /* SoC PCM stream information */
750 struct snd_soc_pcm_stream {
751 const char *stream_name;
752 u64 formats; /* SNDRV_PCM_FMTBIT_* */
753 unsigned int rates; /* SNDRV_PCM_RATE_* */
754 unsigned int rate_min; /* min rate */
755 unsigned int rate_max; /* max rate */
756 unsigned int channels_min; /* min channels */
757 unsigned int channels_max; /* max channels */
758 unsigned int sig_bits; /* number of bits of content */
763 int (*startup)(struct snd_pcm_substream *);
764 void (*shutdown)(struct snd_pcm_substream *);
765 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
766 int (*hw_free)(struct snd_pcm_substream *);
767 int (*prepare)(struct snd_pcm_substream *);
768 int (*trigger)(struct snd_pcm_substream *, int);
771 struct snd_soc_compr_ops {
772 int (*startup)(struct snd_compr_stream *);
773 void (*shutdown)(struct snd_compr_stream *);
774 int (*set_params)(struct snd_compr_stream *);
775 int (*trigger)(struct snd_compr_stream *);
778 /* component interface */
779 struct snd_soc_component_driver {
782 /* Default control and setup, added after probe() is run */
783 const struct snd_kcontrol_new *controls;
784 unsigned int num_controls;
785 const struct snd_soc_dapm_widget *dapm_widgets;
786 unsigned int num_dapm_widgets;
787 const struct snd_soc_dapm_route *dapm_routes;
788 unsigned int num_dapm_routes;
790 int (*probe)(struct snd_soc_component *);
791 void (*remove)(struct snd_soc_component *);
792 int (*suspend)(struct snd_soc_component *);
793 int (*resume)(struct snd_soc_component *);
795 /* pcm creation and destruction */
796 int (*pcm_new)(struct snd_soc_pcm_runtime *);
797 void (*pcm_free)(struct snd_pcm *);
800 int (*of_xlate_dai_name)(struct snd_soc_component *component,
801 struct of_phandle_args *args,
802 const char **dai_name);
803 void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
805 int (*stream_event)(struct snd_soc_component *, int event);
807 /* probe ordering - for components with runtime dependencies */
812 struct snd_soc_component {
815 const char *name_prefix;
817 struct snd_soc_card *card;
821 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
822 unsigned int registered_as_component:1;
823 unsigned int suspended:1; /* is in suspend PM state */
825 struct list_head list;
826 struct list_head card_aux_list; /* for auxiliary bound components */
827 struct list_head card_list;
829 struct snd_soc_dai_driver *dai_drv;
832 const struct snd_soc_component_driver *driver;
834 struct list_head dai_list;
836 int (*read)(struct snd_soc_component *, unsigned int, unsigned int *);
837 int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
839 struct regmap *regmap;
842 struct mutex io_mutex;
844 /* attached dynamic objects */
845 struct list_head dobj_list;
847 #ifdef CONFIG_DEBUG_FS
848 struct dentry *debugfs_root;
852 * DO NOT use any of the fields below in drivers, they are temporary and
853 * are going to be removed again soon. If you use them in driver code the
854 * driver will be marked as BROKEN when these fields are removed.
857 /* Don't use these, use snd_soc_component_get_dapm() */
858 struct snd_soc_dapm_context dapm;
860 const struct snd_kcontrol_new *controls;
861 unsigned int num_controls;
862 const struct snd_soc_dapm_widget *dapm_widgets;
863 unsigned int num_dapm_widgets;
864 const struct snd_soc_dapm_route *dapm_routes;
865 unsigned int num_dapm_routes;
866 struct snd_soc_codec *codec;
868 int (*probe)(struct snd_soc_component *);
869 void (*remove)(struct snd_soc_component *);
870 int (*suspend)(struct snd_soc_component *);
871 int (*resume)(struct snd_soc_component *);
872 int (*pcm_new)(struct snd_soc_pcm_runtime *);
873 void (*pcm_free)(struct snd_pcm *);
875 /* machine specific init */
876 int (*init)(struct snd_soc_component *component);
878 #ifdef CONFIG_DEBUG_FS
879 void (*init_debugfs)(struct snd_soc_component *component);
880 const char *debugfs_prefix;
884 /* SoC Audio Codec device */
885 struct snd_soc_codec {
887 const struct snd_soc_codec_driver *driver;
889 struct list_head list;
892 unsigned int cache_bypass:1; /* Suppress access to the cache */
893 unsigned int cache_init:1; /* codec cache has been initialized */
896 void *control_data; /* codec control (i2c/3wire) data */
901 struct snd_soc_component component;
903 #ifdef CONFIG_DEBUG_FS
904 struct dentry *debugfs_reg;
909 struct snd_soc_codec_driver {
912 int (*probe)(struct snd_soc_codec *);
913 int (*remove)(struct snd_soc_codec *);
914 int (*suspend)(struct snd_soc_codec *);
915 int (*resume)(struct snd_soc_codec *);
916 struct snd_soc_component_driver component_driver;
918 /* codec wide operations */
919 int (*set_sysclk)(struct snd_soc_codec *codec,
920 int clk_id, int source, unsigned int freq, int dir);
921 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
922 unsigned int freq_in, unsigned int freq_out);
925 struct regmap *(*get_regmap)(struct device *);
926 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
927 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
928 unsigned int reg_cache_size;
929 short reg_cache_step;
931 const void *reg_cache_default;
933 /* codec bias level */
934 int (*set_bias_level)(struct snd_soc_codec *,
935 enum snd_soc_bias_level level);
937 bool suspend_bias_off;
939 void (*seq_notifier)(struct snd_soc_dapm_context *,
940 enum snd_soc_dapm_type, int);
942 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */
945 /* SoC platform interface */
946 struct snd_soc_platform_driver {
948 int (*probe)(struct snd_soc_platform *);
949 int (*remove)(struct snd_soc_platform *);
950 struct snd_soc_component_driver component_driver;
952 /* pcm creation and destruction */
953 int (*pcm_new)(struct snd_soc_pcm_runtime *);
954 void (*pcm_free)(struct snd_pcm *);
956 /* platform stream pcm ops */
957 const struct snd_pcm_ops *ops;
959 /* platform stream compress ops */
960 const struct snd_compr_ops *compr_ops;
963 struct snd_soc_dai_link_component {
965 struct device_node *of_node;
966 const char *dai_name;
969 struct snd_soc_platform {
971 const struct snd_soc_platform_driver *driver;
973 struct list_head list;
975 struct snd_soc_component component;
978 struct snd_soc_dai_link {
979 /* config - must be set by machine driver */
980 const char *name; /* Codec name */
981 const char *stream_name; /* Stream name */
983 * You MAY specify the link's CPU-side device, either by device name,
984 * or by DT/OF node, but not both. If this information is omitted,
985 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
986 * must be globally unique. These fields are currently typically used
987 * only for codec to codec links, or systems using device tree.
989 const char *cpu_name;
990 struct device_node *cpu_of_node;
992 * You MAY specify the DAI name of the CPU DAI. If this information is
993 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
994 * only, which only works well when that device exposes a single DAI.
996 const char *cpu_dai_name;
998 * You MUST specify the link's codec, either by device name, or by
999 * DT/OF node, but not both.
1001 const char *codec_name;
1002 struct device_node *codec_of_node;
1003 /* You MUST specify the DAI name within the codec */
1004 const char *codec_dai_name;
1006 struct snd_soc_dai_link_component *codecs;
1007 unsigned int num_codecs;
1010 * You MAY specify the link's platform/PCM/DMA driver, either by
1011 * device name, or by DT/OF node, but not both. Some forms of link
1012 * do not need a platform.
1014 const char *platform_name;
1015 struct device_node *platform_of_node;
1016 int id; /* optional ID for machine driver link identification */
1018 const struct snd_soc_pcm_stream *params;
1019 unsigned int num_params;
1021 unsigned int dai_fmt; /* format to set on init */
1023 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
1025 /* codec/machine specific init - e.g. add machine controls */
1026 int (*init)(struct snd_soc_pcm_runtime *rtd);
1028 /* optional hw_params re-writing for BE and FE sync */
1029 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
1030 struct snd_pcm_hw_params *params);
1032 /* machine stream operations */
1033 const struct snd_soc_ops *ops;
1034 const struct snd_soc_compr_ops *compr_ops;
1036 /* Mark this pcm with non atomic ops */
1039 /* For unidirectional dai links */
1040 unsigned int playback_only:1;
1041 unsigned int capture_only:1;
1043 /* Keep DAI active over suspend */
1044 unsigned int ignore_suspend:1;
1046 /* Symmetry requirements */
1047 unsigned int symmetric_rates:1;
1048 unsigned int symmetric_channels:1;
1049 unsigned int symmetric_samplebits:1;
1051 /* Do not create a PCM for this DAI link (Backend link) */
1052 unsigned int no_pcm:1;
1054 /* This DAI link can route to other DAI links at runtime (Frontend)*/
1055 unsigned int dynamic:1;
1057 /* DPCM capture and Playback support */
1058 unsigned int dpcm_capture:1;
1059 unsigned int dpcm_playback:1;
1061 /* DPCM used FE & BE merged format */
1062 unsigned int dpcm_merged_format:1;
1064 /* pmdown_time is ignored at stop */
1065 unsigned int ignore_pmdown_time:1;
1067 struct list_head list; /* DAI link list of the soc card */
1068 struct snd_soc_dobj dobj; /* For topology */
1071 struct snd_soc_codec_conf {
1073 * specify device either by device name, or by
1074 * DT/OF node, but not both.
1076 const char *dev_name;
1077 struct device_node *of_node;
1080 * optional map of kcontrol, widget and path name prefixes that are
1081 * associated per device
1083 const char *name_prefix;
1086 struct snd_soc_aux_dev {
1087 const char *name; /* Codec name */
1090 * specify multi-codec either by device name, or by
1091 * DT/OF node, but not both.
1093 const char *codec_name;
1094 struct device_node *codec_of_node;
1096 /* codec/machine specific init - e.g. add machine controls */
1097 int (*init)(struct snd_soc_component *component);
1101 struct snd_soc_card {
1103 const char *long_name;
1104 const char *driver_name;
1105 char dmi_longname[80];
1108 struct snd_card *snd_card;
1109 struct module *owner;
1112 struct mutex dapm_mutex;
1116 int (*probe)(struct snd_soc_card *card);
1117 int (*late_probe)(struct snd_soc_card *card);
1118 int (*remove)(struct snd_soc_card *card);
1120 /* the pre and post PM functions are used to do any PM work before and
1121 * after the codec and DAI's do any PM work. */
1122 int (*suspend_pre)(struct snd_soc_card *card);
1123 int (*suspend_post)(struct snd_soc_card *card);
1124 int (*resume_pre)(struct snd_soc_card *card);
1125 int (*resume_post)(struct snd_soc_card *card);
1128 int (*set_bias_level)(struct snd_soc_card *,
1129 struct snd_soc_dapm_context *dapm,
1130 enum snd_soc_bias_level level);
1131 int (*set_bias_level_post)(struct snd_soc_card *,
1132 struct snd_soc_dapm_context *dapm,
1133 enum snd_soc_bias_level level);
1135 int (*add_dai_link)(struct snd_soc_card *,
1136 struct snd_soc_dai_link *link);
1137 void (*remove_dai_link)(struct snd_soc_card *,
1138 struct snd_soc_dai_link *link);
1142 /* CPU <--> Codec DAI links */
1143 struct snd_soc_dai_link *dai_link; /* predefined links only */
1144 int num_links; /* predefined links only */
1145 struct list_head dai_link_list; /* all links */
1148 struct list_head rtd_list;
1151 /* optional codec specific configuration */
1152 struct snd_soc_codec_conf *codec_conf;
1156 * optional auxiliary devices such as amplifiers or codecs with DAI
1159 struct snd_soc_aux_dev *aux_dev;
1161 struct list_head aux_comp_list;
1163 const struct snd_kcontrol_new *controls;
1167 * Card-specific routes and widgets.
1168 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1170 const struct snd_soc_dapm_widget *dapm_widgets;
1171 int num_dapm_widgets;
1172 const struct snd_soc_dapm_route *dapm_routes;
1173 int num_dapm_routes;
1174 const struct snd_soc_dapm_widget *of_dapm_widgets;
1175 int num_of_dapm_widgets;
1176 const struct snd_soc_dapm_route *of_dapm_routes;
1177 int num_of_dapm_routes;
1180 struct work_struct deferred_resume_work;
1182 /* lists of probed devices belonging to this card */
1183 struct list_head component_dev_list;
1185 struct list_head widgets;
1186 struct list_head paths;
1187 struct list_head dapm_list;
1188 struct list_head dapm_dirty;
1190 /* attached dynamic objects */
1191 struct list_head dobj_list;
1193 /* Generic DAPM context for the card */
1194 struct snd_soc_dapm_context dapm;
1195 struct snd_soc_dapm_stats dapm_stats;
1196 struct snd_soc_dapm_update *update;
1198 #ifdef CONFIG_DEBUG_FS
1199 struct dentry *debugfs_card_root;
1200 struct dentry *debugfs_pop_time;
1207 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1208 struct snd_soc_pcm_runtime {
1210 struct snd_soc_card *card;
1211 struct snd_soc_dai_link *dai_link;
1212 struct mutex pcm_mutex;
1213 enum snd_soc_pcm_subclass pcm_subclass;
1214 struct snd_pcm_ops ops;
1216 /* Dynamic PCM BE runtime data */
1217 struct snd_soc_dpcm_runtime dpcm[2];
1222 /* runtime devices */
1223 struct snd_pcm *pcm;
1224 struct snd_compr *compr;
1225 struct snd_soc_codec *codec;
1226 struct snd_soc_platform *platform;
1227 struct snd_soc_dai *codec_dai;
1228 struct snd_soc_dai *cpu_dai;
1230 struct snd_soc_dai **codec_dais;
1231 unsigned int num_codecs;
1233 struct delayed_work delayed_work;
1234 #ifdef CONFIG_DEBUG_FS
1235 struct dentry *debugfs_dpcm_root;
1236 struct dentry *debugfs_dpcm_state;
1239 unsigned int num; /* 0-based and monotonic increasing */
1240 struct list_head list; /* rtd list of the soc card */
1243 unsigned int dev_registered:1;
1244 unsigned int pop_wait:1;
1248 struct soc_mixer_control {
1249 int min, max, platform_max;
1251 unsigned int shift, rshift;
1252 unsigned int sign_bit;
1253 unsigned int invert:1;
1254 unsigned int autodisable:1;
1255 struct snd_soc_dobj dobj;
1264 struct soc_bytes_ext {
1266 struct snd_soc_dobj dobj;
1268 /* used for TLV byte control */
1269 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1271 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1275 /* multi register control */
1276 struct soc_mreg_control {
1278 unsigned int regbase, regcount, nbits, invert;
1281 /* enumerated kcontrol */
1284 unsigned char shift_l;
1285 unsigned char shift_r;
1288 const char * const *texts;
1289 const unsigned int *values;
1290 unsigned int autodisable:1;
1291 struct snd_soc_dobj dobj;
1295 * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in
1296 * @component: The component to cast to a CODEC
1298 * This function must only be used on components that are known to be CODECs.
1299 * Otherwise the behavior is undefined.
1301 static inline struct snd_soc_codec *snd_soc_component_to_codec(
1302 struct snd_soc_component *component)
1304 return container_of(component, struct snd_soc_codec, component);
1308 * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
1309 * @component: The component to cast to a platform
1311 * This function must only be used on components that are known to be platforms.
1312 * Otherwise the behavior is undefined.
1314 static inline struct snd_soc_platform *snd_soc_component_to_platform(
1315 struct snd_soc_component *component)
1317 return container_of(component, struct snd_soc_platform, component);
1321 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1323 * @dapm: The DAPM context to cast to the component
1325 * This function must only be used on DAPM contexts that are known to be part of
1326 * a component (e.g. in a component driver). Otherwise the behavior is
1329 static inline struct snd_soc_component *snd_soc_dapm_to_component(
1330 struct snd_soc_dapm_context *dapm)
1332 return container_of(dapm, struct snd_soc_component, dapm);
1336 * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
1337 * @dapm: The DAPM context to cast to the CODEC
1339 * This function must only be used on DAPM contexts that are known to be part of
1340 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1342 static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
1343 struct snd_soc_dapm_context *dapm)
1345 return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm));
1349 * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
1351 * @dapm: The DAPM context to cast to the platform.
1353 * This function must only be used on DAPM contexts that are known to be part of
1354 * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
1356 static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
1357 struct snd_soc_dapm_context *dapm)
1359 return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
1363 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1365 * @component: The component for which to get the DAPM context
1367 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1368 struct snd_soc_component *component)
1370 return &component->dapm;
1374 * snd_soc_codec_get_dapm() - Returns the DAPM context for the CODEC
1375 * @codec: The CODEC for which to get the DAPM context
1377 * Note: Use this function instead of directly accessing the CODEC's dapm field
1379 static inline struct snd_soc_dapm_context *snd_soc_codec_get_dapm(
1380 struct snd_soc_codec *codec)
1382 return snd_soc_component_get_dapm(&codec->component);
1386 * snd_soc_dapm_init_bias_level() - Initialize CODEC DAPM bias level
1387 * @codec: The CODEC for which to initialize the DAPM bias level
1388 * @level: The DAPM level to initialize to
1390 * Initializes the CODEC DAPM bias level. See snd_soc_dapm_init_bias_level().
1392 static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec,
1393 enum snd_soc_bias_level level)
1395 snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level);
1399 * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level
1400 * @codec: The CODEC for which to get the DAPM bias level
1402 * Returns: The current DAPM bias level of the CODEC.
1404 static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level(
1405 struct snd_soc_codec *codec)
1407 return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec));
1411 * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level
1412 * @codec: The CODEC for which to set the level
1413 * @level: The level to set to
1415 * Forces the CODEC bias level to a specific state. See
1416 * snd_soc_dapm_force_bias_level().
1418 static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec,
1419 enum snd_soc_bias_level level)
1421 return snd_soc_dapm_force_bias_level(snd_soc_codec_get_dapm(codec),
1426 * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
1427 * @kcontrol: The kcontrol
1429 * This function must only be used on DAPM contexts that are known to be part of
1430 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1432 static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(
1433 struct snd_kcontrol *kcontrol)
1435 return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol));
1439 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1440 int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
1444 * snd_soc_cache_sync() - Sync the register cache with the hardware
1445 * @codec: CODEC to sync
1447 * Note: This function will call regcache_sync()
1449 static inline int snd_soc_cache_sync(struct snd_soc_codec *codec)
1451 return regcache_sync(codec->component.regmap);
1455 int snd_soc_component_read(struct snd_soc_component *component,
1456 unsigned int reg, unsigned int *val);
1457 int snd_soc_component_write(struct snd_soc_component *component,
1458 unsigned int reg, unsigned int val);
1459 int snd_soc_component_update_bits(struct snd_soc_component *component,
1460 unsigned int reg, unsigned int mask, unsigned int val);
1461 int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1462 unsigned int reg, unsigned int mask, unsigned int val);
1463 void snd_soc_component_async_complete(struct snd_soc_component *component);
1464 int snd_soc_component_test_bits(struct snd_soc_component *component,
1465 unsigned int reg, unsigned int mask, unsigned int value);
1467 #ifdef CONFIG_REGMAP
1469 void snd_soc_component_init_regmap(struct snd_soc_component *component,
1470 struct regmap *regmap);
1471 void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1474 * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC
1475 * @codec: The CODEC for which to initialize the regmap instance
1476 * @regmap: The regmap instance that should be used by the CODEC
1478 * This function allows deferred assignment of the regmap instance that is
1479 * associated with the CODEC. Only use this if the regmap instance is not yet
1480 * ready when the CODEC is registered. The function must also be called before
1481 * the first IO attempt of the CODEC.
1483 static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec,
1484 struct regmap *regmap)
1486 snd_soc_component_init_regmap(&codec->component, regmap);
1490 * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC
1491 * @codec: The CODEC for which to de-initialize the regmap instance
1493 * Calls regmap_exit() on the regmap instance associated to the CODEC and
1494 * removes the regmap instance from the CODEC.
1496 * This function should only be used if snd_soc_codec_init_regmap() was used to
1497 * initialize the regmap instance.
1499 static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec)
1501 snd_soc_component_exit_regmap(&codec->component);
1506 /* device driver data */
1508 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1511 card->drvdata = data;
1514 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1516 return card->drvdata;
1519 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1522 dev_set_drvdata(c->dev, data);
1525 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1527 return dev_get_drvdata(c->dev);
1530 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1533 snd_soc_component_set_drvdata(&codec->component, data);
1536 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1538 return snd_soc_component_get_drvdata(&codec->component);
1541 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1544 snd_soc_component_set_drvdata(&platform->component, data);
1547 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1549 return snd_soc_component_get_drvdata(&platform->component);
1552 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1554 INIT_LIST_HEAD(&card->widgets);
1555 INIT_LIST_HEAD(&card->paths);
1556 INIT_LIST_HEAD(&card->dapm_list);
1557 INIT_LIST_HEAD(&card->aux_comp_list);
1558 INIT_LIST_HEAD(&card->component_dev_list);
1561 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1563 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1566 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1567 * mc->reg != mc->rreg means that the control is
1568 * stereo (bits in one register or in two registers)
1573 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1581 for (i = 0; i < e->items; i++)
1582 if (val == e->values[i])
1588 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1594 return e->values[item];
1597 static inline bool snd_soc_component_is_active(
1598 struct snd_soc_component *component)
1600 return component->active != 0;
1603 static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
1605 return snd_soc_component_is_active(&codec->component);
1609 * snd_soc_kcontrol_component() - Returns the component that registered the
1611 * @kcontrol: The control for which to get the component
1613 * Note: This function will work correctly if the control has been registered
1614 * for a component. Either with snd_soc_add_codec_controls() or
1615 * snd_soc_add_platform_controls() or via table based setup for either a
1616 * CODEC, a platform or component driver. Otherwise the behavior is undefined.
1618 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1619 struct snd_kcontrol *kcontrol)
1621 return snd_kcontrol_chip(kcontrol);
1625 * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control
1626 * @kcontrol: The control for which to get the CODEC
1628 * Note: This function will only work correctly if the control has been
1629 * registered with snd_soc_add_codec_controls() or via table based setup of
1630 * snd_soc_codec_driver. Otherwise the behavior is undefined.
1632 static inline struct snd_soc_codec *snd_soc_kcontrol_codec(
1633 struct snd_kcontrol *kcontrol)
1635 return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
1639 * snd_soc_kcontrol_platform() - Returns the platform that registered the control
1640 * @kcontrol: The control for which to get the platform
1642 * Note: This function will only work correctly if the control has been
1643 * registered with snd_soc_add_platform_controls() or via table based setup of
1644 * a snd_soc_platform_driver. Otherwise the behavior is undefined.
1646 static inline struct snd_soc_platform *snd_soc_kcontrol_platform(
1647 struct snd_kcontrol *kcontrol)
1649 return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
1652 int snd_soc_util_init(void);
1653 void snd_soc_util_exit(void);
1655 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1656 const char *propname);
1657 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1658 const char *propname);
1659 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1660 unsigned int *tx_mask,
1661 unsigned int *rx_mask,
1662 unsigned int *slots,
1663 unsigned int *slot_width);
1664 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1665 struct snd_soc_codec_conf *codec_conf,
1666 struct device_node *of_node,
1667 const char *propname);
1668 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1669 const char *propname);
1670 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1672 struct device_node **bitclkmaster,
1673 struct device_node **framemaster);
1674 int snd_soc_get_dai_name(struct of_phandle_args *args,
1675 const char **dai_name);
1676 int snd_soc_of_get_dai_name(struct device_node *of_node,
1677 const char **dai_name);
1678 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1679 struct device_node *of_node,
1680 struct snd_soc_dai_link *dai_link);
1682 int snd_soc_add_dai_link(struct snd_soc_card *card,
1683 struct snd_soc_dai_link *dai_link);
1684 void snd_soc_remove_dai_link(struct snd_soc_card *card,
1685 struct snd_soc_dai_link *dai_link);
1686 struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1687 int id, const char *name,
1688 const char *stream_name);
1690 int snd_soc_register_dai(struct snd_soc_component *component,
1691 struct snd_soc_dai_driver *dai_drv);
1693 struct snd_soc_dai *snd_soc_find_dai(
1694 const struct snd_soc_dai_link_component *dlc);
1696 #include <sound/soc-dai.h>
1698 #ifdef CONFIG_DEBUG_FS
1699 extern struct dentry *snd_soc_debugfs_root;
1702 extern const struct dev_pm_ops snd_soc_pm_ops;
1704 /* Helper functions */
1705 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1707 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1710 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1712 mutex_unlock(&dapm->card->dapm_mutex);
1715 int snd_soc_component_enable_pin(struct snd_soc_component *component,
1717 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1719 int snd_soc_component_disable_pin(struct snd_soc_component *component,
1721 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1723 int snd_soc_component_nc_pin(struct snd_soc_component *component,
1725 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1727 int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1729 int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1731 int snd_soc_component_force_enable_pin_unlocked(
1732 struct snd_soc_component *component,