1 /* SPDX-License-Identifier: GPL-2.0
3 * linux/sound/soc.h -- ALSA SoC Layer
5 * Author: Liam Girdwood
6 * Created: Aug 11th 2005
7 * Copyright: Wolfson Microelectronics. PLC.
10 #ifndef __LINUX_SND_SOC_H
11 #define __LINUX_SND_SOC_H
14 #include <linux/platform_device.h>
15 #include <linux/types.h>
16 #include <linux/notifier.h>
17 #include <linux/workqueue.h>
18 #include <linux/interrupt.h>
19 #include <linux/kernel.h>
20 #include <linux/regmap.h>
21 #include <linux/log2.h>
22 #include <sound/core.h>
23 #include <sound/pcm.h>
24 #include <sound/compress_driver.h>
25 #include <sound/control.h>
26 #include <sound/ac97_codec.h>
29 * Convenience kcontrol builders
31 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
32 ((unsigned long)&(struct soc_mixer_control) \
33 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
34 .rshift = shift_right, .max = xmax, .platform_max = xmax, \
35 .invert = xinvert, .autodisable = xautodisable})
36 #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
37 ((unsigned long)&(struct soc_mixer_control) \
38 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
39 .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \
40 .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
41 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
42 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
43 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
44 ((unsigned long)&(struct soc_mixer_control) \
45 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
46 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
47 ((unsigned long)&(struct soc_mixer_control) \
48 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
49 .max = xmax, .platform_max = xmax, .invert = xinvert})
50 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
51 ((unsigned long)&(struct soc_mixer_control) \
52 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
53 .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
55 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
56 ((unsigned long)&(struct soc_mixer_control) \
57 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
58 .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
59 #define SOC_SINGLE(xname, reg, shift, max, invert) \
60 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
61 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
62 .put = snd_soc_put_volsw, \
63 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
64 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
65 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
66 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
67 .put = snd_soc_put_volsw_range, \
68 .private_value = (unsigned long)&(struct soc_mixer_control) \
69 {.reg = xreg, .rreg = xreg, .shift = xshift, \
70 .rshift = xshift, .min = xmin, .max = xmax, \
71 .platform_max = xmax, .invert = xinvert} }
72 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
73 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
74 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
75 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
76 .tlv.p = (tlv_array), \
77 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
78 .put = snd_soc_put_volsw, \
79 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
80 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
81 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
82 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
83 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
84 .tlv.p = (tlv_array),\
85 .info = snd_soc_info_volsw_sx, \
86 .get = snd_soc_get_volsw_sx,\
87 .put = snd_soc_put_volsw_sx, \
88 .private_value = (unsigned long)&(struct soc_mixer_control) \
89 {.reg = xreg, .rreg = xreg, \
90 .shift = xshift, .rshift = xshift, \
91 .max = xmax, .min = xmin} }
92 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
93 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
94 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
95 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
96 .tlv.p = (tlv_array), \
97 .info = snd_soc_info_volsw_range, \
98 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
99 .private_value = (unsigned long)&(struct soc_mixer_control) \
100 {.reg = xreg, .rreg = xreg, .shift = xshift, \
101 .rshift = xshift, .min = xmin, .max = xmax, \
102 .platform_max = xmax, .invert = xinvert} }
103 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
104 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
105 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
106 .put = snd_soc_put_volsw, \
107 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
109 #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
111 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
112 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
113 .access = SNDRV_CTL_ELEM_ACCESS_READ | \
114 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
115 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
117 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
118 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
119 .info = snd_soc_info_volsw, \
120 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
121 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
123 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
125 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
126 .info = snd_soc_info_volsw_range, \
127 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
128 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
129 xshift, xmin, xmax, xinvert) }
130 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
131 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
132 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
133 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
134 .tlv.p = (tlv_array), \
135 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
136 .put = snd_soc_put_volsw, \
137 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
139 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
140 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
141 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
142 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
143 .tlv.p = (tlv_array), \
144 .info = snd_soc_info_volsw, \
145 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
146 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
148 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
149 xmax, xinvert, tlv_array) \
150 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
151 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
152 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
153 .tlv.p = (tlv_array), \
154 .info = snd_soc_info_volsw_range, \
155 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
156 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
157 xshift, xmin, xmax, xinvert) }
158 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
159 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
160 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
161 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
162 .tlv.p = (tlv_array), \
163 .info = snd_soc_info_volsw_sx, \
164 .get = snd_soc_get_volsw_sx, \
165 .put = snd_soc_put_volsw_sx, \
166 .private_value = (unsigned long)&(struct soc_mixer_control) \
167 {.reg = xreg, .rreg = xrreg, \
168 .shift = xshift, .rshift = xshift, \
169 .max = xmax, .min = xmin} }
170 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
171 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
172 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
173 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
174 .tlv.p = (tlv_array), \
175 .info = snd_soc_info_volsw, \
176 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
177 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
178 xmin, xmax, xsign_bit, xinvert) }
179 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
180 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
181 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
182 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
183 .tlv.p = (tlv_array), \
184 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
185 .put = snd_soc_put_volsw, \
186 .private_value = (unsigned long)&(struct soc_mixer_control) \
187 {.reg = xreg, .rreg = xreg, \
188 .min = xmin, .max = xmax, .platform_max = xmax, \
190 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
191 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
192 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
193 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
194 .tlv.p = (tlv_array), \
195 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
196 .put = snd_soc_put_volsw, \
197 .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
198 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
199 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
200 .items = xitems, .texts = xtexts, \
201 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
202 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
203 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
204 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
205 { .items = xitems, .texts = xtexts }
206 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
207 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
208 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
209 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
210 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
211 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
212 { .reg = xreg, .shift_l = xshift, .shift_r = xshift, \
213 .mask = xmask, .items = xitems, .texts = xtexts, \
214 .values = xvalues, .autodisable = 1}
215 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
216 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
217 #define SOC_ENUM(xname, xenum) \
218 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
219 .info = snd_soc_info_enum_double, \
220 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
221 .private_value = (unsigned long)&xenum }
222 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
223 xhandler_get, xhandler_put) \
224 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
225 .info = snd_soc_info_volsw, \
226 .get = xhandler_get, .put = xhandler_put, \
227 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
228 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
229 xhandler_get, xhandler_put) \
230 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
231 .info = snd_soc_info_volsw, \
232 .get = xhandler_get, .put = xhandler_put, \
234 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
235 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
236 xhandler_get, xhandler_put) \
237 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
238 .info = snd_soc_info_volsw, \
239 .get = xhandler_get, .put = xhandler_put, \
240 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
242 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
243 xhandler_get, xhandler_put, tlv_array) \
244 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
245 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
246 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
247 .tlv.p = (tlv_array), \
248 .info = snd_soc_info_volsw, \
249 .get = xhandler_get, .put = xhandler_put, \
250 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
251 #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \
252 xhandler_get, xhandler_put, tlv_array) \
253 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
254 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
255 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
256 .tlv.p = (tlv_array), \
257 .info = snd_soc_info_volsw_range, \
258 .get = xhandler_get, .put = xhandler_put, \
259 .private_value = (unsigned long)&(struct soc_mixer_control) \
260 {.reg = xreg, .rreg = xreg, .shift = xshift, \
261 .rshift = xshift, .min = xmin, .max = xmax, \
262 .platform_max = xmax, .invert = xinvert} }
263 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
264 xhandler_get, xhandler_put, tlv_array) \
265 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
266 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
267 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
268 .tlv.p = (tlv_array), \
269 .info = snd_soc_info_volsw, \
270 .get = xhandler_get, .put = xhandler_put, \
271 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
273 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
274 xhandler_get, xhandler_put, tlv_array) \
275 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
276 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
277 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
278 .tlv.p = (tlv_array), \
279 .info = snd_soc_info_volsw, \
280 .get = xhandler_get, .put = xhandler_put, \
281 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
283 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
284 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
285 .info = snd_soc_info_bool_ext, \
286 .get = xhandler_get, .put = xhandler_put, \
287 .private_value = xdata }
288 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
289 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
290 .info = snd_soc_info_enum_double, \
291 .get = xhandler_get, .put = xhandler_put, \
292 .private_value = (unsigned long)&xenum }
293 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
294 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
296 #define SND_SOC_BYTES(xname, xbase, xregs) \
297 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
298 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
299 .put = snd_soc_bytes_put, .private_value = \
300 ((unsigned long)&(struct soc_bytes) \
301 {.base = xbase, .num_regs = xregs }) }
303 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \
304 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
305 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
306 .put = snd_soc_bytes_put, .private_value = \
307 ((unsigned long)&(struct soc_bytes) \
308 {.base = xbase, .num_regs = xregs, \
312 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
314 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
315 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
316 .info = snd_soc_bytes_info_ext, \
317 .get = xhandler_get, .put = xhandler_put, \
318 .private_value = (unsigned long)&(struct soc_bytes_ext) \
320 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
321 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
322 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
323 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
324 .tlv.c = (snd_soc_bytes_tlv_callback), \
325 .info = snd_soc_bytes_info_ext, \
326 .private_value = (unsigned long)&(struct soc_bytes_ext) \
327 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
328 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
329 xmin, xmax, xinvert) \
330 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
331 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
332 .put = snd_soc_put_xr_sx, \
333 .private_value = (unsigned long)&(struct soc_mreg_control) \
334 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
335 .invert = xinvert, .min = xmin, .max = xmax} }
337 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
338 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
339 snd_soc_get_strobe, snd_soc_put_strobe)
342 * Simplified versions of above macros, declaring a struct and calculating
343 * ARRAY_SIZE internally
345 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
346 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
347 ARRAY_SIZE(xtexts), xtexts)
348 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
349 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
350 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
351 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
352 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
353 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
354 ARRAY_SIZE(xtexts), xtexts, xvalues)
355 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
356 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
358 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
359 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
360 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
362 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
363 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
366 * Component probe and remove ordering levels for components with runtime
369 #define SND_SOC_COMP_ORDER_FIRST -2
370 #define SND_SOC_COMP_ORDER_EARLY -1
371 #define SND_SOC_COMP_ORDER_NORMAL 0
372 #define SND_SOC_COMP_ORDER_LATE 1
373 #define SND_SOC_COMP_ORDER_LAST 2
375 #define for_each_comp_order(order) \
376 for (order = SND_SOC_COMP_ORDER_FIRST; \
377 order <= SND_SOC_COMP_ORDER_LAST; \
383 * @ON: Bias is fully on for audio playback and capture operations.
384 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
385 * stream start and stop operations.
386 * @STANDBY: Low power standby state when no playback/capture operations are
387 * in progress. NOTE: The transition time between STANDBY and ON
388 * should be as fast as possible and no longer than 10ms.
389 * @OFF: Power Off. No restrictions on transition times.
391 enum snd_soc_bias_level {
392 SND_SOC_BIAS_OFF = 0,
393 SND_SOC_BIAS_STANDBY = 1,
394 SND_SOC_BIAS_PREPARE = 2,
401 struct snd_soc_pcm_stream;
403 struct snd_soc_pcm_runtime;
405 struct snd_soc_dai_driver;
406 struct snd_soc_dai_link;
407 struct snd_soc_component;
408 struct snd_soc_component_driver;
411 struct snd_soc_jack_zone;
412 struct snd_soc_jack_pin;
413 #include <sound/soc-dapm.h>
414 #include <sound/soc-dpcm.h>
415 #include <sound/soc-topology.h>
417 struct snd_soc_jack_gpio;
419 typedef int (*hw_write_t)(void *,const char* ,int);
421 enum snd_soc_pcm_subclass {
422 SND_SOC_PCM_CLASS_PCM = 0,
423 SND_SOC_PCM_CLASS_BE = 1,
426 enum snd_soc_card_subclass {
427 SND_SOC_CARD_CLASS_INIT = 0,
428 SND_SOC_CARD_CLASS_RUNTIME = 1,
431 int snd_soc_register_card(struct snd_soc_card *card);
432 int snd_soc_unregister_card(struct snd_soc_card *card);
433 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
434 #ifdef CONFIG_PM_SLEEP
435 int snd_soc_suspend(struct device *dev);
436 int snd_soc_resume(struct device *dev);
438 static inline int snd_soc_suspend(struct device *dev)
443 static inline int snd_soc_resume(struct device *dev)
448 int snd_soc_poweroff(struct device *dev);
449 int snd_soc_add_component(struct device *dev,
450 struct snd_soc_component *component,
451 const struct snd_soc_component_driver *component_driver,
452 struct snd_soc_dai_driver *dai_drv,
454 int snd_soc_register_component(struct device *dev,
455 const struct snd_soc_component_driver *component_driver,
456 struct snd_soc_dai_driver *dai_drv, int num_dai);
457 int devm_snd_soc_register_component(struct device *dev,
458 const struct snd_soc_component_driver *component_driver,
459 struct snd_soc_dai_driver *dai_drv, int num_dai);
460 void snd_soc_unregister_component(struct device *dev);
461 struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
462 const char *driver_name);
464 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
465 #ifdef CONFIG_SND_SOC_COMPRESS
466 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
468 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
474 void snd_soc_disconnect_sync(struct device *dev);
476 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
477 const char *dai_link, int stream);
478 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
479 const char *dai_link);
481 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
482 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
483 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
485 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
486 unsigned int dai_fmt);
489 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
491 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
498 /* Utility functions to get clock rates from various things */
499 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
500 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
501 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
502 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
504 /* set runtime hw params */
505 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
506 const struct snd_pcm_hardware *hw);
508 int soc_dai_hw_params(struct snd_pcm_substream *substream,
509 struct snd_pcm_hw_params *params,
510 struct snd_soc_dai *dai);
513 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
514 struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
515 unsigned int num_pins);
517 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
518 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
519 struct snd_soc_jack_pin *pins);
520 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
521 struct notifier_block *nb);
522 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
523 struct notifier_block *nb);
524 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
525 struct snd_soc_jack_zone *zones);
526 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
527 #ifdef CONFIG_GPIOLIB
528 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
529 struct snd_soc_jack_gpio *gpios);
530 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
531 struct snd_soc_jack *jack,
532 int count, struct snd_soc_jack_gpio *gpios);
533 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
534 struct snd_soc_jack_gpio *gpios);
536 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
537 struct snd_soc_jack_gpio *gpios)
542 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
543 struct snd_soc_jack *jack,
545 struct snd_soc_jack_gpio *gpios)
550 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
551 struct snd_soc_jack_gpio *gpios)
556 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
557 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
558 unsigned int id, unsigned int id_mask);
559 void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
561 #ifdef CONFIG_SND_SOC_AC97_BUS
562 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
563 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
564 struct platform_device *pdev);
566 extern struct snd_ac97_bus_ops *soc_ac97_ops;
568 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
569 struct platform_device *pdev)
574 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
583 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
584 void *data, const char *long_name,
586 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
588 int snd_soc_add_component_controls(struct snd_soc_component *component,
589 const struct snd_kcontrol_new *controls, unsigned int num_controls);
590 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
591 const struct snd_kcontrol_new *controls, int num_controls);
592 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
593 const struct snd_kcontrol_new *controls, int num_controls);
594 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
595 struct snd_ctl_elem_info *uinfo);
596 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
597 struct snd_ctl_elem_value *ucontrol);
598 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
599 struct snd_ctl_elem_value *ucontrol);
600 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
601 struct snd_ctl_elem_info *uinfo);
602 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
603 struct snd_ctl_elem_info *uinfo);
604 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
605 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
606 struct snd_ctl_elem_value *ucontrol);
607 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
608 struct snd_ctl_elem_value *ucontrol);
609 #define snd_soc_get_volsw_2r snd_soc_get_volsw
610 #define snd_soc_put_volsw_2r snd_soc_put_volsw
611 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
612 struct snd_ctl_elem_value *ucontrol);
613 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
614 struct snd_ctl_elem_value *ucontrol);
615 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
616 struct snd_ctl_elem_info *uinfo);
617 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
618 struct snd_ctl_elem_value *ucontrol);
619 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
620 struct snd_ctl_elem_value *ucontrol);
621 int snd_soc_limit_volume(struct snd_soc_card *card,
622 const char *name, int max);
623 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
624 struct snd_ctl_elem_info *uinfo);
625 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
626 struct snd_ctl_elem_value *ucontrol);
627 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
628 struct snd_ctl_elem_value *ucontrol);
629 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
630 struct snd_ctl_elem_info *ucontrol);
631 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
632 unsigned int size, unsigned int __user *tlv);
633 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
634 struct snd_ctl_elem_info *uinfo);
635 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
636 struct snd_ctl_elem_value *ucontrol);
637 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
638 struct snd_ctl_elem_value *ucontrol);
639 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
640 struct snd_ctl_elem_value *ucontrol);
641 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
642 struct snd_ctl_elem_value *ucontrol);
645 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
647 * @pin: name of the pin to update
648 * @mask: bits to check for in reported jack status
649 * @invert: if non-zero then pin is enabled when status is not reported
650 * @list: internal list entry
652 struct snd_soc_jack_pin {
653 struct list_head list;
660 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
662 * @min_mv: start voltage in mv
663 * @max_mv: end voltage in mv
664 * @jack_type: type of jack that is expected for this voltage
665 * @debounce_time: debounce_time for jack, codec driver should wait for this
666 * duration before reading the adc for voltages
667 * @list: internal list entry
669 struct snd_soc_jack_zone {
672 unsigned int jack_type;
673 unsigned int debounce_time;
674 struct list_head list;
678 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
680 * @gpio: legacy gpio number
681 * @idx: gpio descriptor index within the function of the GPIO
683 * @gpiod_dev: GPIO consumer device
684 * @name: gpio name. Also as connection ID for the GPIO consumer
685 * device function name lookup
686 * @report: value to report when jack detected
687 * @invert: report presence in low state
688 * @debounce_time: debounce time in ms
689 * @wake: enable as wake source
690 * @jack_status_check: callback function which overrides the detection
691 * to provide more complex checks (eg, reading an
694 struct snd_soc_jack_gpio {
697 struct device *gpiod_dev;
705 struct snd_soc_jack *jack;
706 struct delayed_work work;
707 struct notifier_block pm_notifier;
708 struct gpio_desc *desc;
712 int (*jack_status_check)(void *data);
715 struct snd_soc_jack {
717 struct snd_jack *jack;
718 struct snd_soc_card *card;
719 struct list_head pins;
721 struct blocking_notifier_head notifier;
722 struct list_head jack_zones;
725 /* SoC PCM stream information */
726 struct snd_soc_pcm_stream {
727 const char *stream_name;
728 u64 formats; /* SNDRV_PCM_FMTBIT_* */
729 unsigned int rates; /* SNDRV_PCM_RATE_* */
730 unsigned int rate_min; /* min rate */
731 unsigned int rate_max; /* max rate */
732 unsigned int channels_min; /* min channels */
733 unsigned int channels_max; /* max channels */
734 unsigned int sig_bits; /* number of bits of content */
739 int (*startup)(struct snd_pcm_substream *);
740 void (*shutdown)(struct snd_pcm_substream *);
741 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
742 int (*hw_free)(struct snd_pcm_substream *);
743 int (*prepare)(struct snd_pcm_substream *);
744 int (*trigger)(struct snd_pcm_substream *, int);
747 struct snd_soc_compr_ops {
748 int (*startup)(struct snd_compr_stream *);
749 void (*shutdown)(struct snd_compr_stream *);
750 int (*set_params)(struct snd_compr_stream *);
751 int (*trigger)(struct snd_compr_stream *);
754 /* component interface */
755 struct snd_soc_component_driver {
758 /* Default control and setup, added after probe() is run */
759 const struct snd_kcontrol_new *controls;
760 unsigned int num_controls;
761 const struct snd_soc_dapm_widget *dapm_widgets;
762 unsigned int num_dapm_widgets;
763 const struct snd_soc_dapm_route *dapm_routes;
764 unsigned int num_dapm_routes;
766 int (*probe)(struct snd_soc_component *);
767 void (*remove)(struct snd_soc_component *);
768 int (*suspend)(struct snd_soc_component *);
769 int (*resume)(struct snd_soc_component *);
771 unsigned int (*read)(struct snd_soc_component *, unsigned int);
772 int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
774 /* pcm creation and destruction */
775 int (*pcm_new)(struct snd_soc_pcm_runtime *);
776 void (*pcm_free)(struct snd_pcm *);
778 /* component wide operations */
779 int (*set_sysclk)(struct snd_soc_component *component,
780 int clk_id, int source, unsigned int freq, int dir);
781 int (*set_pll)(struct snd_soc_component *component, int pll_id,
782 int source, unsigned int freq_in, unsigned int freq_out);
783 int (*set_jack)(struct snd_soc_component *component,
784 struct snd_soc_jack *jack, void *data);
787 int (*of_xlate_dai_name)(struct snd_soc_component *component,
788 struct of_phandle_args *args,
789 const char **dai_name);
790 int (*of_xlate_dai_id)(struct snd_soc_component *comment,
791 struct device_node *endpoint);
792 void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
794 int (*stream_event)(struct snd_soc_component *, int event);
795 int (*set_bias_level)(struct snd_soc_component *component,
796 enum snd_soc_bias_level level);
798 const struct snd_pcm_ops *ops;
799 const struct snd_compr_ops *compr_ops;
801 /* probe ordering - for components with runtime dependencies */
805 /* signal if the module handling the component cannot be removed */
806 unsigned int ignore_module_refcount:1;
809 unsigned int idle_bias_on:1;
810 unsigned int suspend_bias_off:1;
811 unsigned int use_pmdown_time:1; /* care pmdown_time at stop */
812 unsigned int endianness:1;
813 unsigned int non_legacy_dai_naming:1;
815 /* this component uses topology and ignore machine driver FEs */
816 const char *ignore_machine;
817 const char *topology_name_prefix;
818 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
819 struct snd_pcm_hw_params *params);
820 bool use_dai_pcm_id; /* use the DAI link PCM ID as PCM device number */
821 int be_pcm_base; /* base device ID for all BE PCMs */
824 struct snd_soc_component {
827 const char *name_prefix;
829 struct snd_soc_card *card;
833 unsigned int suspended:1; /* is in suspend PM state */
835 struct list_head list;
836 struct list_head card_aux_list; /* for auxiliary bound components */
837 struct list_head card_list;
839 const struct snd_soc_component_driver *driver;
841 struct list_head dai_list;
844 struct regmap *regmap;
847 struct mutex io_mutex;
849 /* attached dynamic objects */
850 struct list_head dobj_list;
853 * DO NOT use any of the fields below in drivers, they are temporary and
854 * are going to be removed again soon. If you use them in driver code the
855 * driver will be marked as BROKEN when these fields are removed.
858 /* Don't use these, use snd_soc_component_get_dapm() */
859 struct snd_soc_dapm_context dapm;
861 /* machine specific init */
862 int (*init)(struct snd_soc_component *component);
864 #ifdef CONFIG_DEBUG_FS
865 struct dentry *debugfs_root;
866 const char *debugfs_prefix;
870 #define for_each_component_dais(component, dai)\
871 list_for_each_entry(dai, &(component)->dai_list, list)
872 #define for_each_component_dais_safe(component, dai, _dai)\
873 list_for_each_entry_safe(dai, _dai, &(component)->dai_list, list)
875 struct snd_soc_rtdcom_list {
876 struct snd_soc_component *component;
877 struct list_head list; /* rtd::component_list */
879 struct snd_soc_component*
880 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
881 const char *driver_name);
882 #define for_each_rtdcom(rtd, rtdcom) \
883 list_for_each_entry(rtdcom, &(rtd)->component_list, list)
884 #define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \
885 list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list)
887 struct snd_soc_dai_link_component {
889 struct device_node *of_node;
890 const char *dai_name;
893 struct snd_soc_dai_link {
894 /* config - must be set by machine driver */
895 const char *name; /* Codec name */
896 const char *stream_name; /* Stream name */
903 * These are legacy style, and will be replaced to
904 * modern style (= snd_soc_dai_link_component) in the future,
905 * but, not yet supported so far.
906 * If modern style was supported for CPU, all driver will switch
907 * to use it, and, legacy style code will be removed from ALSA SoC.
910 * You MAY specify the link's CPU-side device, either by device name,
911 * or by DT/OF node, but not both. If this information is omitted,
912 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
913 * must be globally unique. These fields are currently typically used
914 * only for codec to codec links, or systems using device tree.
916 const char *cpu_name;
917 struct device_node *cpu_of_node;
919 * You MAY specify the DAI name of the CPU DAI. If this information is
920 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
921 * only, which only works well when that device exposes a single DAI.
923 const char *cpu_dai_name;
930 * These are legacy style, it will be converted to modern style
931 * (= snd_soc_dai_link_component) automatically in soc-core
932 * if driver is using legacy style.
933 * Driver shouldn't use both legacy and modern style in the same time.
934 * If modern style was supported for CPU, all driver will switch
935 * to use it, and, legacy style code will be removed from ALSA SoC.
938 * You MUST specify the link's codec, either by device name, or by
939 * DT/OF node, but not both.
941 const char *codec_name;
942 struct device_node *codec_of_node;
943 /* You MUST specify the DAI name within the codec */
944 const char *codec_dai_name;
946 struct snd_soc_dai_link_component *codecs;
947 unsigned int num_codecs;
953 * These are legacy style, it will be converted to modern style
954 * (= snd_soc_dai_link_component) automatically in soc-core
955 * if driver is using legacy style.
956 * Driver shouldn't use both legacy and modern style in the same time.
957 * If modern style was supported for CPU, all driver will switch
958 * to use it, and, legacy style code will be removed from ALSA SoC.
961 * You MAY specify the link's platform/PCM/DMA driver, either by
962 * device name, or by DT/OF node, but not both. Some forms of link
963 * do not need a platform.
965 const char *platform_name;
966 struct device_node *platform_of_node;
967 struct snd_soc_dai_link_component *platforms;
968 unsigned int num_platforms;
970 int id; /* optional ID for machine driver link identification */
972 const struct snd_soc_pcm_stream *params;
973 unsigned int num_params;
975 unsigned int dai_fmt; /* format to set on init */
977 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
979 /* codec/machine specific init - e.g. add machine controls */
980 int (*init)(struct snd_soc_pcm_runtime *rtd);
982 /* optional hw_params re-writing for BE and FE sync */
983 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
984 struct snd_pcm_hw_params *params);
986 /* machine stream operations */
987 const struct snd_soc_ops *ops;
988 const struct snd_soc_compr_ops *compr_ops;
990 /* Mark this pcm with non atomic ops */
993 /* For unidirectional dai links */
994 unsigned int playback_only:1;
995 unsigned int capture_only:1;
997 /* Keep DAI active over suspend */
998 unsigned int ignore_suspend:1;
1000 /* Symmetry requirements */
1001 unsigned int symmetric_rates:1;
1002 unsigned int symmetric_channels:1;
1003 unsigned int symmetric_samplebits:1;
1005 /* Do not create a PCM for this DAI link (Backend link) */
1006 unsigned int no_pcm:1;
1008 /* This DAI link can route to other DAI links at runtime (Frontend)*/
1009 unsigned int dynamic:1;
1011 /* DPCM capture and Playback support */
1012 unsigned int dpcm_capture:1;
1013 unsigned int dpcm_playback:1;
1015 /* DPCM used FE & BE merged format */
1016 unsigned int dpcm_merged_format:1;
1017 /* DPCM used FE & BE merged channel */
1018 unsigned int dpcm_merged_chan:1;
1019 /* DPCM used FE & BE merged rate */
1020 unsigned int dpcm_merged_rate:1;
1022 /* pmdown_time is ignored at stop */
1023 unsigned int ignore_pmdown_time:1;
1025 /* Do not create a PCM for this DAI link (Backend link) */
1026 unsigned int ignore:1;
1029 * This driver uses legacy platform naming. Set by the core, machine
1030 * drivers should not modify this value.
1032 unsigned int legacy_platform:1;
1034 struct list_head list; /* DAI link list of the soc card */
1035 struct snd_soc_dobj dobj; /* For topology */
1037 #define for_each_link_codecs(link, i, codec) \
1039 ((i) < link->num_codecs) && ((codec) = &link->codecs[i]); \
1042 struct snd_soc_codec_conf {
1044 * specify device either by device name, or by
1045 * DT/OF node, but not both.
1047 const char *dev_name;
1048 struct device_node *of_node;
1051 * optional map of kcontrol, widget and path name prefixes that are
1052 * associated per device
1054 const char *name_prefix;
1057 struct snd_soc_aux_dev {
1058 const char *name; /* Codec name */
1061 * specify multi-codec either by device name, or by
1062 * DT/OF node, but not both.
1064 const char *codec_name;
1065 struct device_node *codec_of_node;
1067 /* codec/machine specific init - e.g. add machine controls */
1068 int (*init)(struct snd_soc_component *component);
1072 struct snd_soc_card {
1074 const char *long_name;
1075 const char *driver_name;
1076 char dmi_longname[80];
1077 char topology_shortname[32];
1080 struct snd_card *snd_card;
1081 struct module *owner;
1084 struct mutex dapm_mutex;
1087 bool topology_shortname_created;
1089 int (*probe)(struct snd_soc_card *card);
1090 int (*late_probe)(struct snd_soc_card *card);
1091 int (*remove)(struct snd_soc_card *card);
1093 /* the pre and post PM functions are used to do any PM work before and
1094 * after the codec and DAI's do any PM work. */
1095 int (*suspend_pre)(struct snd_soc_card *card);
1096 int (*suspend_post)(struct snd_soc_card *card);
1097 int (*resume_pre)(struct snd_soc_card *card);
1098 int (*resume_post)(struct snd_soc_card *card);
1101 int (*set_bias_level)(struct snd_soc_card *,
1102 struct snd_soc_dapm_context *dapm,
1103 enum snd_soc_bias_level level);
1104 int (*set_bias_level_post)(struct snd_soc_card *,
1105 struct snd_soc_dapm_context *dapm,
1106 enum snd_soc_bias_level level);
1108 int (*add_dai_link)(struct snd_soc_card *,
1109 struct snd_soc_dai_link *link);
1110 void (*remove_dai_link)(struct snd_soc_card *,
1111 struct snd_soc_dai_link *link);
1115 /* CPU <--> Codec DAI links */
1116 struct snd_soc_dai_link *dai_link; /* predefined links only */
1117 int num_links; /* predefined links only */
1118 struct list_head dai_link_list; /* all links */
1120 struct list_head rtd_list;
1123 /* optional codec specific configuration */
1124 struct snd_soc_codec_conf *codec_conf;
1128 * optional auxiliary devices such as amplifiers or codecs with DAI
1131 struct snd_soc_aux_dev *aux_dev;
1133 struct list_head aux_comp_list;
1135 const struct snd_kcontrol_new *controls;
1139 * Card-specific routes and widgets.
1140 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1142 const struct snd_soc_dapm_widget *dapm_widgets;
1143 int num_dapm_widgets;
1144 const struct snd_soc_dapm_route *dapm_routes;
1145 int num_dapm_routes;
1146 const struct snd_soc_dapm_widget *of_dapm_widgets;
1147 int num_of_dapm_widgets;
1148 const struct snd_soc_dapm_route *of_dapm_routes;
1149 int num_of_dapm_routes;
1152 struct work_struct deferred_resume_work;
1154 /* lists of probed devices belonging to this card */
1155 struct list_head component_dev_list;
1156 struct list_head list;
1158 struct list_head widgets;
1159 struct list_head paths;
1160 struct list_head dapm_list;
1161 struct list_head dapm_dirty;
1163 /* attached dynamic objects */
1164 struct list_head dobj_list;
1166 /* Generic DAPM context for the card */
1167 struct snd_soc_dapm_context dapm;
1168 struct snd_soc_dapm_stats dapm_stats;
1169 struct snd_soc_dapm_update *update;
1171 #ifdef CONFIG_DEBUG_FS
1172 struct dentry *debugfs_card_root;
1173 struct dentry *debugfs_pop_time;
1179 #define for_each_card_prelinks(card, i, link) \
1181 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
1184 #define for_each_card_links(card, link) \
1185 list_for_each_entry(dai_link, &(card)->dai_link_list, list)
1186 #define for_each_card_links_safe(card, link, _link) \
1187 list_for_each_entry_safe(link, _link, &(card)->dai_link_list, list)
1189 #define for_each_card_rtds(card, rtd) \
1190 list_for_each_entry(rtd, &(card)->rtd_list, list)
1191 #define for_each_card_rtds_safe(card, rtd, _rtd) \
1192 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1194 #define for_each_card_components(card, component) \
1195 list_for_each_entry(component, &(card)->component_dev_list, card_list)
1197 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1198 struct snd_soc_pcm_runtime {
1200 struct snd_soc_card *card;
1201 struct snd_soc_dai_link *dai_link;
1202 struct mutex pcm_mutex;
1203 enum snd_soc_pcm_subclass pcm_subclass;
1204 struct snd_pcm_ops ops;
1206 unsigned int params_select; /* currently selected param for dai link */
1208 /* Dynamic PCM BE runtime data */
1209 struct snd_soc_dpcm_runtime dpcm[2];
1214 /* runtime devices */
1215 struct snd_pcm *pcm;
1216 struct snd_compr *compr;
1217 struct snd_soc_dai *codec_dai;
1218 struct snd_soc_dai *cpu_dai;
1220 struct snd_soc_dai **codec_dais;
1221 unsigned int num_codecs;
1223 struct delayed_work delayed_work;
1224 #ifdef CONFIG_DEBUG_FS
1225 struct dentry *debugfs_dpcm_root;
1228 unsigned int num; /* 0-based and monotonic increasing */
1229 struct list_head list; /* rtd list of the soc card */
1230 struct list_head component_list; /* list of connected components */
1233 unsigned int dev_registered:1;
1234 unsigned int pop_wait:1;
1236 #define for_each_rtd_codec_dai(rtd, i, dai)\
1238 ((i) < rtd->num_codecs) && ((dai) = rtd->codec_dais[i]); \
1240 #define for_each_rtd_codec_dai_rollback(rtd, i, dai) \
1241 for (; ((--i) >= 0) && ((dai) = rtd->codec_dais[i]);)
1245 struct soc_mixer_control {
1246 int min, max, platform_max;
1248 unsigned int shift, rshift;
1249 unsigned int sign_bit;
1250 unsigned int invert:1;
1251 unsigned int autodisable:1;
1252 struct snd_soc_dobj dobj;
1261 struct soc_bytes_ext {
1263 struct snd_soc_dobj dobj;
1265 /* used for TLV byte control */
1266 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1268 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1272 /* multi register control */
1273 struct soc_mreg_control {
1275 unsigned int regbase, regcount, nbits, invert;
1278 /* enumerated kcontrol */
1281 unsigned char shift_l;
1282 unsigned char shift_r;
1285 const char * const *texts;
1286 const unsigned int *values;
1287 unsigned int autodisable:1;
1288 struct snd_soc_dobj dobj;
1292 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1294 * @dapm: The DAPM context to cast to the component
1296 * This function must only be used on DAPM contexts that are known to be part of
1297 * a component (e.g. in a component driver). Otherwise the behavior is
1300 static inline struct snd_soc_component *snd_soc_dapm_to_component(
1301 struct snd_soc_dapm_context *dapm)
1303 return container_of(dapm, struct snd_soc_component, dapm);
1307 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1309 * @component: The component for which to get the DAPM context
1311 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1312 struct snd_soc_component *component)
1314 return &component->dapm;
1318 * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
1319 * @component: The COMPONENT for which to initialize the DAPM bias level
1320 * @level: The DAPM level to initialize to
1322 * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level().
1325 snd_soc_component_init_bias_level(struct snd_soc_component *component,
1326 enum snd_soc_bias_level level)
1328 snd_soc_dapm_init_bias_level(
1329 snd_soc_component_get_dapm(component), level);
1333 * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
1334 * @component: The COMPONENT for which to get the DAPM bias level
1336 * Returns: The current DAPM bias level of the COMPONENT.
1338 static inline enum snd_soc_bias_level
1339 snd_soc_component_get_bias_level(struct snd_soc_component *component)
1341 return snd_soc_dapm_get_bias_level(
1342 snd_soc_component_get_dapm(component));
1346 * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
1347 * @component: The COMPONENT for which to set the level
1348 * @level: The level to set to
1350 * Forces the COMPONENT bias level to a specific state. See
1351 * snd_soc_dapm_force_bias_level().
1354 snd_soc_component_force_bias_level(struct snd_soc_component *component,
1355 enum snd_soc_bias_level level)
1357 return snd_soc_dapm_force_bias_level(
1358 snd_soc_component_get_dapm(component),
1363 * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol
1364 * @kcontrol: The kcontrol
1366 * This function must only be used on DAPM contexts that are known to be part of
1367 * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined.
1369 static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component(
1370 struct snd_kcontrol *kcontrol)
1372 return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol));
1376 * snd_soc_component_cache_sync() - Sync the register cache with the hardware
1377 * @component: COMPONENT to sync
1379 * Note: This function will call regcache_sync()
1381 static inline int snd_soc_component_cache_sync(
1382 struct snd_soc_component *component)
1384 return regcache_sync(component->regmap);
1388 int snd_soc_component_read(struct snd_soc_component *component,
1389 unsigned int reg, unsigned int *val);
1390 unsigned int snd_soc_component_read32(struct snd_soc_component *component,
1392 int snd_soc_component_write(struct snd_soc_component *component,
1393 unsigned int reg, unsigned int val);
1394 int snd_soc_component_update_bits(struct snd_soc_component *component,
1395 unsigned int reg, unsigned int mask, unsigned int val);
1396 int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1397 unsigned int reg, unsigned int mask, unsigned int val);
1398 void snd_soc_component_async_complete(struct snd_soc_component *component);
1399 int snd_soc_component_test_bits(struct snd_soc_component *component,
1400 unsigned int reg, unsigned int mask, unsigned int value);
1402 /* component wide operations */
1403 int snd_soc_component_set_sysclk(struct snd_soc_component *component,
1404 int clk_id, int source, unsigned int freq, int dir);
1405 int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
1406 int source, unsigned int freq_in,
1407 unsigned int freq_out);
1408 int snd_soc_component_set_jack(struct snd_soc_component *component,
1409 struct snd_soc_jack *jack, void *data);
1411 #ifdef CONFIG_REGMAP
1413 void snd_soc_component_init_regmap(struct snd_soc_component *component,
1414 struct regmap *regmap);
1415 void snd_soc_component_exit_regmap(struct snd_soc_component *component);
1419 /* device driver data */
1421 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1424 card->drvdata = data;
1427 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1429 return card->drvdata;
1432 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1435 dev_set_drvdata(c->dev, data);
1438 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1440 return dev_get_drvdata(c->dev);
1443 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1445 INIT_LIST_HEAD(&card->widgets);
1446 INIT_LIST_HEAD(&card->paths);
1447 INIT_LIST_HEAD(&card->dapm_list);
1448 INIT_LIST_HEAD(&card->aux_comp_list);
1449 INIT_LIST_HEAD(&card->component_dev_list);
1450 INIT_LIST_HEAD(&card->list);
1453 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1455 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1458 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1459 * mc->reg != mc->rreg means that the control is
1460 * stereo (bits in one register or in two registers)
1465 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1473 for (i = 0; i < e->items; i++)
1474 if (val == e->values[i])
1480 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1486 return e->values[item];
1489 static inline bool snd_soc_component_is_active(
1490 struct snd_soc_component *component)
1492 return component->active != 0;
1496 * snd_soc_kcontrol_component() - Returns the component that registered the
1498 * @kcontrol: The control for which to get the component
1500 * Note: This function will work correctly if the control has been registered
1501 * for a component. With snd_soc_add_codec_controls() or via table based
1502 * setup for either a CODEC or component driver. Otherwise the behavior is
1505 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1506 struct snd_kcontrol *kcontrol)
1508 return snd_kcontrol_chip(kcontrol);
1511 int snd_soc_util_init(void);
1512 void snd_soc_util_exit(void);
1514 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1515 const char *propname);
1516 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1517 const char *propname);
1518 int snd_soc_of_get_slot_mask(struct device_node *np,
1519 const char *prop_name,
1520 unsigned int *mask);
1521 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1522 unsigned int *tx_mask,
1523 unsigned int *rx_mask,
1524 unsigned int *slots,
1525 unsigned int *slot_width);
1526 void snd_soc_of_parse_node_prefix(struct device_node *np,
1527 struct snd_soc_codec_conf *codec_conf,
1528 struct device_node *of_node,
1529 const char *propname);
1531 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1532 struct snd_soc_codec_conf *codec_conf,
1533 struct device_node *of_node,
1534 const char *propname)
1536 snd_soc_of_parse_node_prefix(card->dev->of_node,
1537 codec_conf, of_node, propname);
1540 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1541 const char *propname);
1542 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1544 struct device_node **bitclkmaster,
1545 struct device_node **framemaster);
1546 int snd_soc_get_dai_id(struct device_node *ep);
1547 int snd_soc_get_dai_name(struct of_phandle_args *args,
1548 const char **dai_name);
1549 int snd_soc_of_get_dai_name(struct device_node *of_node,
1550 const char **dai_name);
1551 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1552 struct device_node *of_node,
1553 struct snd_soc_dai_link *dai_link);
1554 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1556 int snd_soc_add_dai_link(struct snd_soc_card *card,
1557 struct snd_soc_dai_link *dai_link);
1558 void snd_soc_remove_dai_link(struct snd_soc_card *card,
1559 struct snd_soc_dai_link *dai_link);
1560 struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1561 int id, const char *name,
1562 const char *stream_name);
1564 int snd_soc_register_dai(struct snd_soc_component *component,
1565 struct snd_soc_dai_driver *dai_drv);
1567 struct snd_soc_dai *snd_soc_find_dai(
1568 const struct snd_soc_dai_link_component *dlc);
1570 #include <sound/soc-dai.h>
1573 struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
1574 const char *dai_name)
1576 struct snd_soc_pcm_runtime *rtd;
1578 list_for_each_entry(rtd, &card->rtd_list, list) {
1579 if (!strcmp(rtd->codec_dai->name, dai_name))
1580 return rtd->codec_dai;
1587 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
1588 const char *platform_name)
1590 struct snd_soc_dai_link *dai_link;
1594 if (!platform_name) /* nothing to do */
1597 /* set platform name for each dailink */
1598 for_each_card_prelinks(card, i, dai_link) {
1599 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
1603 if (dai_link->platforms)
1604 /* only single platform is supported for now */
1605 dai_link->platforms->name = name;
1608 * legacy mode, this case will be removed when all
1609 * derivers are switched to modern style dai_link.
1611 dai_link->platform_name = name;
1617 #ifdef CONFIG_DEBUG_FS
1618 extern struct dentry *snd_soc_debugfs_root;
1621 extern const struct dev_pm_ops snd_soc_pm_ops;
1623 /* Helper functions */
1624 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1626 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1629 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1631 mutex_unlock(&dapm->card->dapm_mutex);
1634 int snd_soc_component_enable_pin(struct snd_soc_component *component,
1636 int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
1638 int snd_soc_component_disable_pin(struct snd_soc_component *component,
1640 int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
1642 int snd_soc_component_nc_pin(struct snd_soc_component *component,
1644 int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
1646 int snd_soc_component_get_pin_status(struct snd_soc_component *component,
1648 int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
1650 int snd_soc_component_force_enable_pin_unlocked(
1651 struct snd_soc_component *component,