Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0
2 *
3 * linux/sound/soc.h -- ALSA SoC Layer
4 *
5 * Author: Liam Girdwood
6 * Created: Aug 11th 2005
7 * Copyright: Wolfson Microelectronics. PLC.
8 */
9
10#ifndef __LINUX_SND_SOC_H
11#define __LINUX_SND_SOC_H
12
13#include <linux/args.h>
14#include <linux/array_size.h>
15#include <linux/device.h>
16#include <linux/errno.h>
17#include <linux/interrupt.h>
18#include <linux/lockdep.h>
19#include <linux/log2.h>
20#include <linux/mutex.h>
21#include <linux/notifier.h>
22#include <linux/of.h>
23#include <linux/types.h>
24#include <linux/workqueue.h>
25
26#include <sound/ac97_codec.h>
27#include <sound/compress_driver.h>
28#include <sound/control.h>
29#include <sound/core.h>
30#include <sound/pcm.h>
31
32struct module;
33struct platform_device;
34
35/* For the current users of sound/soc.h to avoid build issues */
36#include <linux/platform_device.h>
37#include <linux/regmap.h>
38
39/*
40 * Convenience kcontrol builders
41 */
42#define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, \
43 xinvert, xautodisable) \
44 ((unsigned long)&(struct soc_mixer_control) \
45 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
46 .rshift = shift_right, .min = xmin, .max = xmax, \
47 .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
48#define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmin, xmax, xinvert, xautodisable) \
49 SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, 0, xinvert, \
50 xautodisable)
51#define SOC_SINGLE_VALUE(xreg, xshift, xmin, xmax, xinvert, xautodisable) \
52 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmin, xmax, xinvert, xautodisable)
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, .sign_bit = xsign_bit, \
57 .invert = xinvert})
58#define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
59 SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, 0, xinvert)
60
61#define SOC_SINGLE(xname, reg, shift, max, invert) \
62{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
63 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
64 .put = snd_soc_put_volsw, \
65 .private_value = SOC_SINGLE_VALUE(reg, shift, 0, max, invert, 0) }
66#define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
67{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
68 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
69 .put = snd_soc_put_volsw, \
70 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmin, xmax, xinvert, 0) }
71#define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
72{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
73 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
74 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
75 .tlv.p = (tlv_array), \
76 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
77 .put = snd_soc_put_volsw, \
78 .private_value = SOC_SINGLE_VALUE(reg, shift, 0, max, invert, 0) }
79#define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
80{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
81 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
82 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
83 .tlv.p = (tlv_array),\
84 .info = snd_soc_info_volsw_sx, \
85 .get = snd_soc_get_volsw_sx,\
86 .put = snd_soc_put_volsw_sx, \
87 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmin, xmax, 0, 0) }
88#define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
89{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
90 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
91 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
92 .tlv.p = (tlv_array), \
93 .info = snd_soc_info_volsw, \
94 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
95 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmin, xmax, xinvert, 0) }
96#define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
97{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
98 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
99 .put = snd_soc_put_volsw, \
100 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
101 0, max, invert, 0) }
102#define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
103{ \
104 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
105 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
106 .access = SNDRV_CTL_ELEM_ACCESS_READ | \
107 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
108 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
109 0, max, invert, 0) }
110#define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
111{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
112 .info = snd_soc_info_volsw, \
113 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
114 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
115 0, xmax, xinvert) }
116#define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
117 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, \
122 xshift, xmin, xmax, xinvert) }
123#define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
124{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
125 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
126 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
127 .tlv.p = (tlv_array), \
128 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
129 .put = snd_soc_put_volsw, \
130 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
131 0, max, invert, 0) }
132#define SOC_DOUBLE_SX_TLV(xname, xreg, shift_left, shift_right, xmin, xmax, tlv_array) \
133{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
134 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
135 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
136 .tlv.p = (tlv_array), \
137 .info = snd_soc_info_volsw_sx, \
138 .get = snd_soc_get_volsw_sx, \
139 .put = snd_soc_put_volsw_sx, \
140 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
141 xmin, xmax, 0, 0) }
142#define SOC_DOUBLE_RANGE_TLV(xname, xreg, xshift_left, xshift_right, xmin, xmax, \
143 xinvert, tlv_array) \
144{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
145 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
146 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
147 .tlv.p = (tlv_array), \
148 .info = snd_soc_info_volsw, \
149 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
150 .private_value = SOC_DOUBLE_VALUE(xreg, xshift_left, xshift_right, \
151 xmin, xmax, xinvert, 0) }
152#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, 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, \
158 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
159 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
160 0, xmax, xinvert) }
161#define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
162 xmax, xinvert, tlv_array) \
163{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
164 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
165 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
166 .tlv.p = (tlv_array), \
167 .info = snd_soc_info_volsw, \
168 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
169 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, \
170 xshift, xmin, xmax, xinvert) }
171#define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
172{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
173 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
174 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
175 .tlv.p = (tlv_array), \
176 .info = snd_soc_info_volsw_sx, \
177 .get = snd_soc_get_volsw_sx, \
178 .put = snd_soc_put_volsw_sx, \
179 .private_value = SOC_DOUBLE_R_VALUE(xreg, xrreg, xshift, xmin, xmax, 0) }
180#define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
181{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
182 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
183 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
184 .tlv.p = (tlv_array), \
185 .info = snd_soc_info_volsw, \
186 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
187 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
188 xmin, xmax, xsign_bit, xinvert) }
189#define SOC_SINGLE_S_TLV(xname, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
190 SOC_DOUBLE_R_S_TLV(xname, xreg, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array)
191#define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
192{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
193 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
194 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
195 .tlv.p = (tlv_array), \
196 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
197 .put = snd_soc_put_volsw, \
198 .private_value = (unsigned long)&(struct soc_mixer_control) \
199 {.reg = xreg, .rreg = xreg, \
200 .min = xmin, .max = xmax, \
201 .sign_bit = 7,} }
202#define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
203{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
204 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
205 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
206 .tlv.p = (tlv_array), \
207 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
208 .put = snd_soc_put_volsw, \
209 .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
210#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
211{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
212 .items = xitems, .texts = xtexts, \
213 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
214#define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
215 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
216#define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
217{ .items = xitems, .texts = xtexts }
218#define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
219{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
220 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
221#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
222 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
223#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
224{ .reg = xreg, .shift_l = xshift, .shift_r = xshift, \
225 .mask = xmask, .items = xitems, .texts = xtexts, \
226 .values = xvalues, .autodisable = 1}
227#define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
228 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
229#define SOC_ENUM(xname, xenum) \
230{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
231 .info = snd_soc_info_enum_double, \
232 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
233 .private_value = (unsigned long)&xenum }
234#define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
235 xhandler_get, xhandler_put) \
236{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
237 .info = snd_soc_info_volsw, \
238 .get = xhandler_get, .put = xhandler_put, \
239 .private_value = SOC_SINGLE_VALUE(xreg, xshift, 0, xmax, xinvert, 0) }
240#define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
241 xhandler_get, xhandler_put) \
242{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
243 .info = snd_soc_info_volsw, \
244 .get = xhandler_get, .put = xhandler_put, \
245 .private_value = \
246 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, 0, max, invert, 0) }
247#define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
248 xhandler_get, xhandler_put) \
249{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
250 .info = snd_soc_info_volsw, \
251 .get = xhandler_get, .put = xhandler_put, \
252 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
253 0, xmax, xinvert) }
254#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, 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, \
261 .get = xhandler_get, .put = xhandler_put, \
262 .private_value = SOC_SINGLE_VALUE(xreg, xshift, 0, xmax, xinvert, 0) }
263#define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, 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_SINGLE_VALUE(xreg, xshift, xmin, xmax, xinvert, 0) }
272#define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
273 xhandler_get, xhandler_put, tlv_array) \
274{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
275 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
276 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
277 .tlv.p = (tlv_array), \
278 .info = snd_soc_info_volsw, \
279 .get = xhandler_get, .put = xhandler_put, \
280 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
281 0, xmax, xinvert, 0) }
282#define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
283 xhandler_get, xhandler_put, tlv_array) \
284{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
285 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
286 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
287 .tlv.p = (tlv_array), \
288 .info = snd_soc_info_volsw, \
289 .get = xhandler_get, .put = xhandler_put, \
290 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
291 0, xmax, xinvert) }
292#define SOC_DOUBLE_R_S_EXT_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, \
293 xsign_bit, xinvert, xhandler_get, xhandler_put, \
294 tlv_array) \
295{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
296 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
297 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
298 .tlv.p = (tlv_array), \
299 .info = snd_soc_info_volsw, \
300 .get = xhandler_get, .put = xhandler_put, \
301 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
302 xmin, xmax, xsign_bit, xinvert) }
303#define SOC_SINGLE_S_EXT_TLV(xname, xreg, xshift, xmin, xmax, \
304 xsign_bit, xinvert, xhandler_get, xhandler_put, \
305 tlv_array) \
306 SOC_DOUBLE_R_S_EXT_TLV(xname, xreg, xreg, xshift, xmin, xmax, \
307 xsign_bit, xinvert, xhandler_get, xhandler_put, \
308 tlv_array)
309#define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
310{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
311 .info = snd_soc_info_bool_ext, \
312 .get = xhandler_get, .put = xhandler_put, \
313 .private_value = xdata }
314#define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
315{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
316 .info = snd_soc_info_enum_double, \
317 .get = xhandler_get, .put = xhandler_put, \
318 .private_value = (unsigned long)&xenum }
319#define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
320 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
321
322#define SOC_ENUM_EXT_ACC(xname, xenum, xhandler_get, xhandler_put, xaccess) \
323{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
324 .access = xaccess, \
325 .info = snd_soc_info_enum_double, \
326 .get = xhandler_get, .put = xhandler_put, \
327 .private_value = (unsigned long)&xenum }
328
329#define SND_SOC_BYTES(xname, xbase, xregs) \
330{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
331 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
332 .put = snd_soc_bytes_put, .private_value = \
333 ((unsigned long)&(struct soc_bytes) \
334 {.base = xbase, .num_regs = xregs }) }
335#define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \
336{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
337 .info = snd_soc_bytes_info, .get = xhandler_get, \
338 .put = xhandler_put, .private_value = \
339 ((unsigned long)&(struct soc_bytes) \
340 {.base = xbase, .num_regs = xregs }) }
341#define SND_SOC_BYTES_E_ACC(xname, xbase, xregs, xhandler_get, xhandler_put, xaccess) \
342{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
343 .access = xaccess, \
344 .info = snd_soc_bytes_info, .get = xhandler_get, \
345 .put = xhandler_put, .private_value = \
346 ((unsigned long)&(struct soc_bytes) \
347 {.base = xbase, .num_regs = xregs }) }
348
349#define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \
350{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
351 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
352 .put = snd_soc_bytes_put, .private_value = \
353 ((unsigned long)&(struct soc_bytes) \
354 {.base = xbase, .num_regs = xregs, \
355 .mask = xmask }) }
356
357/*
358 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
359 */
360#define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
361{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
362 .info = snd_soc_bytes_info_ext, \
363 .get = xhandler_get, .put = xhandler_put, \
364 .private_value = (unsigned long)&(struct soc_bytes_ext) \
365 {.max = xcount} }
366#define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
367{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
368 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
369 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
370 .tlv.c = (snd_soc_bytes_tlv_callback), \
371 .info = snd_soc_bytes_info_ext, \
372 .private_value = (unsigned long)&(struct soc_bytes_ext) \
373 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
374#define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
375 xmin, xmax, xinvert) \
376{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
377 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
378 .put = snd_soc_put_xr_sx, \
379 .private_value = (unsigned long)&(struct soc_mreg_control) \
380 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
381 .invert = xinvert, .min = xmin, .max = xmax} }
382
383#define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
384 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
385 snd_soc_get_strobe, snd_soc_put_strobe)
386
387/*
388 * Simplified versions of above macros, declaring a struct and calculating
389 * ARRAY_SIZE internally
390 */
391#define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
392 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
393 ARRAY_SIZE(xtexts), xtexts)
394#define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
395 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
396#define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
397 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
398#define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
399 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
400 ARRAY_SIZE(xtexts), xtexts, xvalues)
401#define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
402 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
403
404#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
405 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
406 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
407
408#define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
409 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
410
411struct snd_soc_card;
412struct snd_soc_pcm_runtime;
413struct snd_soc_dai;
414struct snd_soc_dai_driver;
415struct snd_soc_dai_link;
416struct snd_soc_component;
417struct snd_soc_component_driver;
418struct snd_soc_jack;
419struct snd_soc_jack_pin;
420
421#include <sound/soc-dapm.h>
422#include <sound/soc-dpcm.h>
423#include <sound/soc-topology.h>
424
425enum snd_soc_pcm_subclass {
426 SND_SOC_PCM_CLASS_PCM = 0,
427 SND_SOC_PCM_CLASS_BE = 1,
428};
429
430int snd_soc_register_card(struct snd_soc_card *card);
431void snd_soc_unregister_card(struct snd_soc_card *card);
432int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
433int devm_snd_soc_register_deferrable_card(struct device *dev, struct snd_soc_card *card);
434#ifdef CONFIG_PM_SLEEP
435int snd_soc_suspend(struct device *dev);
436int snd_soc_resume(struct device *dev);
437#else
438static inline int snd_soc_suspend(struct device *dev)
439{
440 return 0;
441}
442
443static inline int snd_soc_resume(struct device *dev)
444{
445 return 0;
446}
447#endif
448int snd_soc_poweroff(struct device *dev);
449int snd_soc_component_initialize(struct snd_soc_component *component,
450 const struct snd_soc_component_driver *driver,
451 struct device *dev);
452int snd_soc_add_component(struct snd_soc_component *component,
453 struct snd_soc_dai_driver *dai_drv,
454 int num_dai);
455int snd_soc_register_component(struct device *dev,
456 const struct snd_soc_component_driver *component_driver,
457 struct snd_soc_dai_driver *dai_drv, int num_dai);
458int devm_snd_soc_register_component(struct device *dev,
459 const struct snd_soc_component_driver *component_driver,
460 struct snd_soc_dai_driver *dai_drv, int num_dai);
461#define snd_soc_unregister_component(dev) snd_soc_unregister_component_by_driver(dev, NULL)
462void snd_soc_unregister_component_by_driver(struct device *dev,
463 const struct snd_soc_component_driver *component_driver);
464struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev,
465 const char *driver_name);
466struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
467 const char *driver_name);
468
469int soc_new_pcm(struct snd_soc_pcm_runtime *rtd);
470#ifdef CONFIG_SND_SOC_COMPRESS
471int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd);
472#else
473static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd)
474{
475 return 0;
476}
477#endif
478
479struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
480 struct snd_soc_dai_link *dai_link);
481
482bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
483
484void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd,
485 int stream, int action);
486static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd,
487 int stream)
488{
489 snd_soc_runtime_action(rtd, stream, 1);
490}
491static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd,
492 int stream)
493{
494 snd_soc_runtime_action(rtd, stream, -1);
495}
496
497int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd,
498 struct snd_pcm_hardware *hw, int stream);
499
500int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
501 unsigned int dai_fmt);
502
503/* Utility functions to get clock rates from various things */
504int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
505int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params);
506int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
507int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *parms);
508int snd_soc_tdm_params_to_bclk(const struct snd_pcm_hw_params *params,
509 int tdm_width, int tdm_slots, int slot_multiple);
510int snd_soc_ret(const struct device *dev, int ret, const char *fmt, ...);
511
512/* set runtime hw params */
513static inline int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
514 const struct snd_pcm_hardware *hw)
515{
516 substream->runtime->hw = *hw;
517
518 return 0;
519}
520
521struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
522struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
523 unsigned int id, unsigned int id_mask);
524void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
525
526#ifdef CONFIG_SND_SOC_AC97_BUS
527int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
528int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
529 struct platform_device *pdev);
530
531extern struct snd_ac97_bus_ops *soc_ac97_ops;
532#else
533static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
534 struct platform_device *pdev)
535{
536 return 0;
537}
538
539static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
540{
541 return 0;
542}
543#endif
544
545/*
546 *Controls
547 */
548struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
549 void *data, const char *long_name,
550 const char *prefix);
551int snd_soc_add_component_controls(struct snd_soc_component *component,
552 const struct snd_kcontrol_new *controls, unsigned int num_controls);
553int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
554 const struct snd_kcontrol_new *controls, int num_controls);
555int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
556 const struct snd_kcontrol_new *controls, int num_controls);
557int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
558 struct snd_ctl_elem_info *uinfo);
559int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
560 struct snd_ctl_elem_value *ucontrol);
561int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
562 struct snd_ctl_elem_value *ucontrol);
563int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
564 struct snd_ctl_elem_info *uinfo);
565int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
566 struct snd_ctl_elem_info *uinfo);
567#define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
568int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
569 struct snd_ctl_elem_value *ucontrol);
570int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
571 struct snd_ctl_elem_value *ucontrol);
572#define snd_soc_get_volsw_2r snd_soc_get_volsw
573#define snd_soc_put_volsw_2r snd_soc_put_volsw
574int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
575 struct snd_ctl_elem_value *ucontrol);
576int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
577 struct snd_ctl_elem_value *ucontrol);
578int snd_soc_limit_volume(struct snd_soc_card *card,
579 const char *name, int max);
580int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
581 struct snd_ctl_elem_info *uinfo);
582int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
583 struct snd_ctl_elem_value *ucontrol);
584int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
585 struct snd_ctl_elem_value *ucontrol);
586int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
587 struct snd_ctl_elem_info *ucontrol);
588int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
589 unsigned int size, unsigned int __user *tlv);
590int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
591 struct snd_ctl_elem_info *uinfo);
592int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
593 struct snd_ctl_elem_value *ucontrol);
594int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
595 struct snd_ctl_elem_value *ucontrol);
596int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
597 struct snd_ctl_elem_value *ucontrol);
598int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
599 struct snd_ctl_elem_value *ucontrol);
600
601enum snd_soc_trigger_order {
602 /* start stop */
603 SND_SOC_TRIGGER_ORDER_DEFAULT = 0, /* Link->Component->DAI DAI->Component->Link */
604 SND_SOC_TRIGGER_ORDER_LDC, /* Link->DAI->Component Component->DAI->Link */
605
606 SND_SOC_TRIGGER_ORDER_MAX,
607};
608
609/* SoC PCM stream information */
610struct snd_soc_pcm_stream {
611 const char *stream_name;
612 u64 formats; /* SNDRV_PCM_FMTBIT_* */
613 u32 subformats; /* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */
614 unsigned int rates; /* SNDRV_PCM_RATE_* */
615 unsigned int rate_min; /* min rate */
616 unsigned int rate_max; /* max rate */
617 unsigned int channels_min; /* min channels */
618 unsigned int channels_max; /* max channels */
619 unsigned int sig_bits; /* number of bits of content */
620};
621
622/* SoC audio ops */
623struct snd_soc_ops {
624 int (*startup)(struct snd_pcm_substream *);
625 void (*shutdown)(struct snd_pcm_substream *);
626 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
627 int (*hw_free)(struct snd_pcm_substream *);
628 int (*prepare)(struct snd_pcm_substream *);
629 int (*trigger)(struct snd_pcm_substream *, int);
630};
631
632struct snd_soc_compr_ops {
633 int (*startup)(struct snd_compr_stream *);
634 void (*shutdown)(struct snd_compr_stream *);
635 int (*set_params)(struct snd_compr_stream *);
636};
637
638struct snd_soc_component*
639snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
640 const char *driver_name);
641
642struct snd_soc_dai_link_component {
643 const char *name;
644 struct device_node *of_node;
645 const char *dai_name;
646 const struct of_phandle_args *dai_args;
647
648 /*
649 * Extra format = SND_SOC_DAIFMT_Bx_Fx
650 *
651 * [Note] it is Bx_Fx base, not CBx_CFx
652 *
653 * It will be used with dai_link->dai_fmt
654 * see
655 * snd_soc_runtime_set_dai_fmt()
656 */
657 unsigned int ext_fmt;
658};
659
660/*
661 * [dai_link->ch_maps Image sample]
662 *
663 *-------------------------
664 * CPU0 <---> Codec0
665 *
666 * ch-map[0].cpu = 0 ch-map[0].codec = 0
667 *
668 *-------------------------
669 * CPU0 <---> Codec0
670 * CPU1 <---> Codec1
671 * CPU2 <---> Codec2
672 *
673 * ch-map[0].cpu = 0 ch-map[0].codec = 0
674 * ch-map[1].cpu = 1 ch-map[1].codec = 1
675 * ch-map[2].cpu = 2 ch-map[2].codec = 2
676 *
677 *-------------------------
678 * CPU0 <---> Codec0
679 * CPU1 <-+-> Codec1
680 * CPU2 <-/
681 *
682 * ch-map[0].cpu = 0 ch-map[0].codec = 0
683 * ch-map[1].cpu = 1 ch-map[1].codec = 1
684 * ch-map[2].cpu = 2 ch-map[2].codec = 1
685 *
686 *-------------------------
687 * CPU0 <---> Codec0
688 * CPU1 <-+-> Codec1
689 * \-> Codec2
690 *
691 * ch-map[0].cpu = 0 ch-map[0].codec = 0
692 * ch-map[1].cpu = 1 ch-map[1].codec = 1
693 * ch-map[2].cpu = 1 ch-map[2].codec = 2
694 *
695 */
696struct snd_soc_dai_link_ch_map {
697 unsigned int cpu;
698 unsigned int codec;
699 unsigned int ch_mask;
700};
701
702struct snd_soc_dai_link {
703 /* config - must be set by machine driver */
704 const char *name; /* Codec name */
705 const char *stream_name; /* Stream name */
706
707 /*
708 * You MAY specify the link's CPU-side device, either by device name,
709 * or by DT/OF node, but not both. If this information is omitted,
710 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
711 * must be globally unique. These fields are currently typically used
712 * only for codec to codec links, or systems using device tree.
713 */
714 /*
715 * You MAY specify the DAI name of the CPU DAI. If this information is
716 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
717 * only, which only works well when that device exposes a single DAI.
718 */
719 struct snd_soc_dai_link_component *cpus;
720 unsigned int num_cpus;
721
722 /*
723 * You MUST specify the link's codec, either by device name, or by
724 * DT/OF node, but not both.
725 */
726 /* You MUST specify the DAI name within the codec */
727 struct snd_soc_dai_link_component *codecs;
728 unsigned int num_codecs;
729
730 /* num_ch_maps = max(num_cpu, num_codecs) */
731 struct snd_soc_dai_link_ch_map *ch_maps;
732
733 /*
734 * You MAY specify the link's platform/PCM/DMA driver, either by
735 * device name, or by DT/OF node, but not both. Some forms of link
736 * do not need a platform. In such case, platforms are not mandatory.
737 */
738 struct snd_soc_dai_link_component *platforms;
739 unsigned int num_platforms;
740
741 int id; /* optional ID for machine driver link identification */
742
743 /*
744 * for Codec2Codec
745 */
746 const struct snd_soc_pcm_stream *c2c_params;
747 unsigned int num_c2c_params;
748
749 unsigned int dai_fmt; /* format to set on init */
750
751 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
752
753 /* codec/machine specific init - e.g. add machine controls */
754 int (*init)(struct snd_soc_pcm_runtime *rtd);
755
756 /* codec/machine specific exit - dual of init() */
757 void (*exit)(struct snd_soc_pcm_runtime *rtd);
758
759 /* optional hw_params re-writing for BE and FE sync */
760 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
761 struct snd_pcm_hw_params *params);
762
763 /* machine stream operations */
764 const struct snd_soc_ops *ops;
765 const struct snd_soc_compr_ops *compr_ops;
766
767 /*
768 * soc_pcm_trigger() start/stop sequence.
769 * see also
770 * snd_soc_component_driver
771 * soc_pcm_trigger()
772 */
773 enum snd_soc_trigger_order trigger_start;
774 enum snd_soc_trigger_order trigger_stop;
775
776 /* Mark this pcm with non atomic ops */
777 unsigned int nonatomic:1;
778
779 /* For unidirectional dai links */
780 unsigned int playback_only:1;
781 unsigned int capture_only:1;
782
783 /* Keep DAI active over suspend */
784 unsigned int ignore_suspend:1;
785
786 /* Symmetry requirements */
787 unsigned int symmetric_rate:1;
788 unsigned int symmetric_channels:1;
789 unsigned int symmetric_sample_bits:1;
790
791 /* Do not create a PCM for this DAI link (Backend link) */
792 unsigned int no_pcm:1;
793
794 /* This DAI link can route to other DAI links at runtime (Frontend)*/
795 unsigned int dynamic:1;
796
797 /* DPCM used FE & BE merged format */
798 unsigned int dpcm_merged_format:1;
799 /* DPCM used FE & BE merged channel */
800 unsigned int dpcm_merged_chan:1;
801 /* DPCM used FE & BE merged rate */
802 unsigned int dpcm_merged_rate:1;
803
804 /* pmdown_time is ignored at stop */
805 unsigned int ignore_pmdown_time:1;
806
807 /* Do not create a PCM for this DAI link (Backend link) */
808 unsigned int ignore:1;
809
810#ifdef CONFIG_SND_SOC_TOPOLOGY
811 struct snd_soc_dobj dobj; /* For topology */
812#endif
813};
814
815static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link)
816{
817 return max(link->num_cpus, link->num_codecs);
818}
819
820static inline struct snd_soc_dai_link_component*
821snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) {
822 return &(link)->cpus[n];
823}
824
825static inline struct snd_soc_dai_link_component*
826snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) {
827 return &(link)->codecs[n];
828}
829
830static inline struct snd_soc_dai_link_component*
831snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) {
832 return &(link)->platforms[n];
833}
834
835#define for_each_link_codecs(link, i, codec) \
836 for ((i) = 0; \
837 ((i) < link->num_codecs) && \
838 ((codec) = snd_soc_link_to_codec(link, i)); \
839 (i)++)
840
841#define for_each_link_platforms(link, i, platform) \
842 for ((i) = 0; \
843 ((i) < link->num_platforms) && \
844 ((platform) = snd_soc_link_to_platform(link, i)); \
845 (i)++)
846
847#define for_each_link_cpus(link, i, cpu) \
848 for ((i) = 0; \
849 ((i) < link->num_cpus) && \
850 ((cpu) = snd_soc_link_to_cpu(link, i)); \
851 (i)++)
852
853#define for_each_link_ch_maps(link, i, ch_map) \
854 for ((i) = 0; \
855 ((i) < snd_soc_link_num_ch_map(link) && \
856 ((ch_map) = link->ch_maps + i)); \
857 (i)++)
858
859/*
860 * Sample 1 : Single CPU/Codec/Platform
861 *
862 * SND_SOC_DAILINK_DEFS(test,
863 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")),
864 * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")),
865 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
866 *
867 * struct snd_soc_dai_link link = {
868 * ...
869 * SND_SOC_DAILINK_REG(test),
870 * };
871 *
872 * Sample 2 : Multi CPU/Codec, no Platform
873 *
874 * SND_SOC_DAILINK_DEFS(test,
875 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
876 * COMP_CPU("cpu_dai2")),
877 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
878 * COMP_CODEC("codec2", "codec_dai2")));
879 *
880 * struct snd_soc_dai_link link = {
881 * ...
882 * SND_SOC_DAILINK_REG(test),
883 * };
884 *
885 * Sample 3 : Define each CPU/Codec/Platform manually
886 *
887 * SND_SOC_DAILINK_DEF(test_cpu,
888 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
889 * COMP_CPU("cpu_dai2")));
890 * SND_SOC_DAILINK_DEF(test_codec,
891 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
892 * COMP_CODEC("codec2", "codec_dai2")));
893 * SND_SOC_DAILINK_DEF(test_platform,
894 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
895 *
896 * struct snd_soc_dai_link link = {
897 * ...
898 * SND_SOC_DAILINK_REG(test_cpu,
899 * test_codec,
900 * test_platform),
901 * };
902 *
903 * Sample 4 : Sample3 without platform
904 *
905 * struct snd_soc_dai_link link = {
906 * ...
907 * SND_SOC_DAILINK_REG(test_cpu,
908 * test_codec);
909 * };
910 */
911
912#define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms)
913#define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component)
914#define SND_SOC_DAILINK_REG3(cpu, codec, platform) \
915 .cpus = cpu, \
916 .num_cpus = ARRAY_SIZE(cpu), \
917 .codecs = codec, \
918 .num_codecs = ARRAY_SIZE(codec), \
919 .platforms = platform, \
920 .num_platforms = ARRAY_SIZE(platform)
921
922#define SND_SOC_DAILINK_REG(...) \
923 CONCATENATE(SND_SOC_DAILINK_REG, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__)
924
925#define SND_SOC_DAILINK_DEF(name, def...) \
926 static struct snd_soc_dai_link_component name[] = { def }
927
928#define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \
929 SND_SOC_DAILINK_DEF(name##_cpus, cpu); \
930 SND_SOC_DAILINK_DEF(name##_codecs, codec); \
931 SND_SOC_DAILINK_DEF(name##_platforms, platform)
932
933#define DAILINK_COMP_ARRAY(param...) param
934#define COMP_EMPTY() { }
935#define COMP_CPU(_dai) { .dai_name = _dai, }
936#define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, }
937#define COMP_PLATFORM(_name) { .name = _name }
938#define COMP_AUX(_name) { .name = _name }
939#define COMP_CODEC_CONF(_name) { .name = _name }
940#define COMP_DUMMY() /* see snd_soc_fill_dummy_dai() */
941
942extern struct snd_soc_dai_link_component null_dailink_component[0];
943extern struct snd_soc_dai_link_component snd_soc_dummy_dlc;
944int snd_soc_dlc_is_dummy(struct snd_soc_dai_link_component *dlc);
945
946struct snd_soc_codec_conf {
947 /*
948 * specify device either by device name, or by
949 * DT/OF node, but not both.
950 */
951 struct snd_soc_dai_link_component dlc;
952
953 /*
954 * optional map of kcontrol, widget and path name prefixes that are
955 * associated per device
956 */
957 const char *name_prefix;
958};
959
960struct snd_soc_aux_dev {
961 /*
962 * specify multi-codec either by device name, or by
963 * DT/OF node, but not both.
964 */
965 struct snd_soc_dai_link_component dlc;
966
967 /* codec/machine specific init - e.g. add machine controls */
968 int (*init)(struct snd_soc_component *component);
969};
970
971/* SoC card */
972struct snd_soc_card {
973 const char *name;
974 const char *long_name;
975 const char *driver_name;
976 const char *components;
977#ifdef CONFIG_DMI
978 char dmi_longname[80];
979#endif /* CONFIG_DMI */
980
981#ifdef CONFIG_PCI
982 /*
983 * PCI does not define 0 as invalid, so pci_subsystem_set indicates
984 * whether a value has been written to these fields.
985 */
986 unsigned short pci_subsystem_vendor;
987 unsigned short pci_subsystem_device;
988 bool pci_subsystem_set;
989#endif /* CONFIG_PCI */
990
991 char topology_shortname[32];
992
993 struct device *dev;
994 struct snd_card *snd_card;
995 struct module *owner;
996
997 struct mutex mutex;
998 struct mutex dapm_mutex;
999
1000 /* Mutex for PCM operations */
1001 struct mutex pcm_mutex;
1002 enum snd_soc_pcm_subclass pcm_subclass;
1003
1004 int (*probe)(struct snd_soc_card *card);
1005 int (*late_probe)(struct snd_soc_card *card);
1006 void (*fixup_controls)(struct snd_soc_card *card);
1007 int (*remove)(struct snd_soc_card *card);
1008
1009 /* the pre and post PM functions are used to do any PM work before and
1010 * after the codec and DAI's do any PM work. */
1011 int (*suspend_pre)(struct snd_soc_card *card);
1012 int (*suspend_post)(struct snd_soc_card *card);
1013 int (*resume_pre)(struct snd_soc_card *card);
1014 int (*resume_post)(struct snd_soc_card *card);
1015
1016 /* callbacks */
1017 int (*set_bias_level)(struct snd_soc_card *,
1018 struct snd_soc_dapm_context *dapm,
1019 enum snd_soc_bias_level level);
1020 int (*set_bias_level_post)(struct snd_soc_card *,
1021 struct snd_soc_dapm_context *dapm,
1022 enum snd_soc_bias_level level);
1023
1024 int (*add_dai_link)(struct snd_soc_card *,
1025 struct snd_soc_dai_link *link);
1026 void (*remove_dai_link)(struct snd_soc_card *,
1027 struct snd_soc_dai_link *link);
1028
1029 long pmdown_time;
1030
1031 /* CPU <--> Codec DAI links */
1032 struct snd_soc_dai_link *dai_link; /* predefined links only */
1033 int num_links; /* predefined links only */
1034
1035 struct list_head rtd_list;
1036 int num_rtd;
1037
1038 /* optional codec specific configuration */
1039 struct snd_soc_codec_conf *codec_conf;
1040 int num_configs;
1041
1042 /*
1043 * optional auxiliary devices such as amplifiers or codecs with DAI
1044 * link unused
1045 */
1046 struct snd_soc_aux_dev *aux_dev;
1047 int num_aux_devs;
1048 struct list_head aux_comp_list;
1049
1050 const struct snd_kcontrol_new *controls;
1051 int num_controls;
1052
1053 /*
1054 * Card-specific routes and widgets.
1055 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1056 */
1057 const struct snd_soc_dapm_widget *dapm_widgets;
1058 int num_dapm_widgets;
1059 const struct snd_soc_dapm_route *dapm_routes;
1060 int num_dapm_routes;
1061 const struct snd_soc_dapm_widget *of_dapm_widgets;
1062 int num_of_dapm_widgets;
1063 const struct snd_soc_dapm_route *of_dapm_routes;
1064 int num_of_dapm_routes;
1065
1066 /* lists of probed devices belonging to this card */
1067 struct list_head component_dev_list;
1068 struct list_head list;
1069
1070 struct list_head widgets;
1071 struct list_head paths;
1072 struct list_head dapm_list;
1073 struct list_head dapm_dirty;
1074
1075 /* attached dynamic objects */
1076 struct list_head dobj_list;
1077
1078 /* Generic DAPM context for the card */
1079 struct snd_soc_dapm_context dapm;
1080 struct snd_soc_dapm_stats dapm_stats;
1081
1082#ifdef CONFIG_DEBUG_FS
1083 struct dentry *debugfs_card_root;
1084#endif
1085#ifdef CONFIG_PM_SLEEP
1086 struct work_struct deferred_resume_work;
1087#endif
1088 u32 pop_time;
1089
1090 /* bit field */
1091 unsigned int instantiated:1;
1092 unsigned int topology_shortname_created:1;
1093 unsigned int fully_routed:1;
1094 unsigned int probed:1;
1095 unsigned int component_chaining:1;
1096 struct device *devres_dev;
1097
1098 void *drvdata;
1099};
1100#define for_each_card_prelinks(card, i, link) \
1101 for ((i) = 0; \
1102 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
1103 (i)++)
1104#define for_each_card_pre_auxs(card, i, aux) \
1105 for ((i) = 0; \
1106 ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \
1107 (i)++)
1108
1109#define for_each_card_rtds(card, rtd) \
1110 list_for_each_entry(rtd, &(card)->rtd_list, list)
1111#define for_each_card_rtds_safe(card, rtd, _rtd) \
1112 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1113
1114#define for_each_card_auxs(card, component) \
1115 list_for_each_entry(component, &card->aux_comp_list, card_aux_list)
1116#define for_each_card_auxs_safe(card, component, _comp) \
1117 list_for_each_entry_safe(component, _comp, \
1118 &card->aux_comp_list, card_aux_list)
1119
1120#define for_each_card_components(card, component) \
1121 list_for_each_entry(component, &(card)->component_dev_list, card_list)
1122
1123#define for_each_card_dapms(card, dapm) \
1124 list_for_each_entry(dapm, &card->dapm_list, list)
1125
1126#define for_each_card_widgets(card, w)\
1127 list_for_each_entry(w, &card->widgets, list)
1128#define for_each_card_widgets_safe(card, w, _w) \
1129 list_for_each_entry_safe(w, _w, &card->widgets, list)
1130
1131
1132static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card)
1133{
1134 return card && card->instantiated;
1135}
1136
1137static inline struct snd_soc_dapm_context *snd_soc_card_to_dapm(struct snd_soc_card *card)
1138{
1139 return &card->dapm;
1140}
1141
1142/* SoC machine DAI configuration, glues a codec and cpu DAI together */
1143struct snd_soc_pcm_runtime {
1144 struct device *dev;
1145 struct snd_soc_card *card;
1146 struct snd_soc_dai_link *dai_link;
1147 struct snd_pcm_ops ops;
1148
1149 unsigned int c2c_params_select; /* currently selected c2c_param for dai link */
1150
1151 /* Dynamic PCM BE runtime data */
1152 struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1];
1153 struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1];
1154
1155 long pmdown_time;
1156
1157 /* runtime devices */
1158 struct snd_pcm *pcm;
1159 struct snd_compr *compr;
1160
1161 /*
1162 * dais = cpu_dai + codec_dai
1163 * see
1164 * soc_new_pcm_runtime()
1165 * snd_soc_rtd_to_cpu()
1166 * snd_soc_rtd_to_codec()
1167 */
1168 struct snd_soc_dai **dais;
1169
1170 struct delayed_work delayed_work;
1171 void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd);
1172#ifdef CONFIG_DEBUG_FS
1173 struct dentry *debugfs_dpcm_root;
1174#endif
1175
1176 unsigned int id; /* 0-based and monotonic increasing */
1177 struct list_head list; /* rtd list of the soc card */
1178
1179 /* function mark */
1180 struct snd_pcm_substream *mark_startup;
1181 struct snd_pcm_substream *mark_hw_params;
1182 struct snd_pcm_substream *mark_trigger;
1183 struct snd_compr_stream *mark_compr_startup;
1184
1185 /* bit field */
1186 unsigned int pop_wait:1;
1187 unsigned int fe_compr:1; /* for Dynamic PCM */
1188 unsigned int initialized:1;
1189
1190 /* CPU/Codec/Platform */
1191 int num_components;
1192 struct snd_soc_component *components[] __counted_by(num_components);
1193};
1194
1195/* see soc_new_pcm_runtime() */
1196#define snd_soc_rtd_to_cpu(rtd, n) (rtd)->dais[n]
1197#define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus]
1198
1199static inline struct snd_soc_pcm_runtime *
1200snd_soc_substream_to_rtd(const struct snd_pcm_substream *substream)
1201{
1202 return snd_pcm_substream_chip(substream);
1203}
1204
1205#define for_each_rtd_components(rtd, i, component) \
1206 for ((i) = 0, component = NULL; \
1207 ((i) < rtd->num_components) && ((component) = rtd->components[i]);\
1208 (i)++)
1209#define for_each_rtd_cpu_dais(rtd, i, dai) \
1210 for ((i) = 0; \
1211 ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \
1212 (i)++)
1213#define for_each_rtd_codec_dais(rtd, i, dai) \
1214 for ((i) = 0; \
1215 ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \
1216 (i)++)
1217#define for_each_rtd_dais(rtd, i, dai) \
1218 for ((i) = 0; \
1219 ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) && \
1220 ((dai) = (rtd)->dais[i]); \
1221 (i)++)
1222#define for_each_rtd_dais_reverse(rtd, i, dai) \
1223 for ((i) = (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs - 1; \
1224 (i) >= 0 && ((dai) = (rtd)->dais[i]); \
1225 (i)--)
1226#define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps)
1227
1228void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd);
1229
1230/* mixer control */
1231struct soc_mixer_control {
1232 /* Minimum and maximum specified as written to the hardware */
1233 int min, max;
1234 /* Limited maximum value specified as presented through the control */
1235 int platform_max;
1236 int reg, rreg;
1237 unsigned int shift, rshift;
1238 u32 num_channels;
1239 unsigned int sign_bit;
1240 unsigned int invert:1;
1241 unsigned int autodisable:1;
1242 unsigned int sdca_q78:1;
1243#ifdef CONFIG_SND_SOC_TOPOLOGY
1244 struct snd_soc_dobj dobj;
1245#endif
1246};
1247
1248struct soc_bytes {
1249 int base;
1250 int num_regs;
1251 u32 mask;
1252};
1253
1254struct soc_bytes_ext {
1255 int max;
1256#ifdef CONFIG_SND_SOC_TOPOLOGY
1257 struct snd_soc_dobj dobj;
1258#endif
1259 /* used for TLV byte control */
1260 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1261 unsigned int size);
1262 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1263 unsigned int size);
1264};
1265
1266/* multi register control */
1267struct soc_mreg_control {
1268 long min, max;
1269 unsigned int regbase, regcount, nbits, invert;
1270};
1271
1272/* enumerated kcontrol */
1273struct soc_enum {
1274 int reg;
1275 unsigned char shift_l;
1276 unsigned char shift_r;
1277 unsigned int items;
1278 unsigned int mask;
1279 const char * const *texts;
1280 const unsigned int *values;
1281 unsigned int autodisable:1;
1282#ifdef CONFIG_SND_SOC_TOPOLOGY
1283 struct snd_soc_dobj dobj;
1284#endif
1285};
1286
1287static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc)
1288{
1289 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1290 return false;
1291 /*
1292 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1293 * mc->reg != mc->rreg means that the control is
1294 * stereo (bits in one register or in two registers)
1295 */
1296 return true;
1297}
1298
1299static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e,
1300 unsigned int val)
1301{
1302 unsigned int i;
1303
1304 if (!e->values)
1305 return val;
1306
1307 for (i = 0; i < e->items; i++)
1308 if (val == e->values[i])
1309 return i;
1310
1311 return 0;
1312}
1313
1314static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e,
1315 unsigned int item)
1316{
1317 if (!e->values)
1318 return item;
1319
1320 return e->values[item];
1321}
1322
1323int snd_soc_util_init(void);
1324void snd_soc_util_exit(void);
1325
1326int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1327 const char *propname);
1328int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1329 const char *propname);
1330int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop);
1331int snd_soc_of_get_slot_mask(struct device_node *np,
1332 const char *prop_name,
1333 unsigned int *mask);
1334int snd_soc_of_parse_tdm_slot(struct device_node *np,
1335 unsigned int *tx_mask,
1336 unsigned int *rx_mask,
1337 unsigned int *slots,
1338 unsigned int *slot_width);
1339void snd_soc_of_parse_node_prefix(struct device_node *np,
1340 struct snd_soc_codec_conf *codec_conf,
1341 struct device_node *of_node,
1342 const char *propname);
1343static inline
1344void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1345 struct snd_soc_codec_conf *codec_conf,
1346 struct device_node *of_node,
1347 const char *propname)
1348{
1349 snd_soc_of_parse_node_prefix(card->dev->of_node,
1350 codec_conf, of_node, propname);
1351}
1352
1353int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1354 const char *propname);
1355int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname);
1356
1357unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt);
1358unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame);
1359
1360unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix);
1361unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np,
1362 const char *prefix,
1363 struct device_node **bitclkmaster,
1364 struct device_node **framemaster);
1365#define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix) \
1366 snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL)
1367#define snd_soc_daifmt_parse_clock_provider_as_phandle \
1368 snd_soc_daifmt_parse_clock_provider_raw
1369#define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix) \
1370 snd_soc_daifmt_clock_provider_from_bitmap( \
1371 snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix))
1372
1373int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream);
1374int snd_soc_get_dlc(const struct of_phandle_args *args,
1375 struct snd_soc_dai_link_component *dlc);
1376int snd_soc_of_get_dlc(struct device_node *of_node,
1377 struct of_phandle_args *args,
1378 struct snd_soc_dai_link_component *dlc,
1379 int index);
1380int snd_soc_get_dai_id(struct device_node *ep);
1381int snd_soc_get_dai_name(const struct of_phandle_args *args,
1382 const char **dai_name);
1383int snd_soc_of_get_dai_name(struct device_node *of_node,
1384 const char **dai_name, int index);
1385int snd_soc_of_get_dai_link_codecs(struct device *dev,
1386 struct device_node *of_node,
1387 struct snd_soc_dai_link *dai_link);
1388void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1389int snd_soc_of_get_dai_link_cpus(struct device *dev,
1390 struct device_node *of_node,
1391 struct snd_soc_dai_link *dai_link);
1392void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link);
1393
1394int snd_soc_add_pcm_runtimes(struct snd_soc_card *card,
1395 struct snd_soc_dai_link *dai_link,
1396 int num_dai_link);
1397void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
1398 struct snd_soc_pcm_runtime *rtd);
1399
1400void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms,
1401 struct snd_soc_dai_link_component *cpus);
1402struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev,
1403 const struct of_phandle_args *args);
1404struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args);
1405struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
1406 struct snd_soc_dai_driver *dai_drv,
1407 bool legacy_dai_naming);
1408void snd_soc_unregister_dai(struct snd_soc_dai *dai);
1409
1410struct snd_soc_dai *snd_soc_find_dai(
1411 const struct snd_soc_dai_link_component *dlc);
1412struct snd_soc_dai *snd_soc_find_dai_with_mutex(
1413 const struct snd_soc_dai_link_component *dlc);
1414
1415#include <sound/soc-dai.h>
1416
1417static inline
1418int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
1419 const char *platform_name)
1420{
1421 struct snd_soc_dai_link *dai_link;
1422 const char *name;
1423 int i;
1424
1425 if (!platform_name) /* nothing to do */
1426 return 0;
1427
1428 /* set platform name for each dailink */
1429 for_each_card_prelinks(card, i, dai_link) {
1430 /* only single platform is supported for now */
1431 if (dai_link->num_platforms != 1)
1432 return -EINVAL;
1433
1434 if (!dai_link->platforms)
1435 return -EINVAL;
1436
1437 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
1438 if (!name)
1439 return -ENOMEM;
1440
1441 /* only single platform is supported for now */
1442 dai_link->platforms->name = name;
1443 }
1444
1445 return 0;
1446}
1447
1448#ifdef CONFIG_DEBUG_FS
1449extern struct dentry *snd_soc_debugfs_root;
1450#endif
1451
1452extern const struct dev_pm_ops snd_soc_pm_ops;
1453
1454/*
1455 * DAPM helper functions
1456 */
1457enum snd_soc_dapm_subclass {
1458 SND_SOC_DAPM_CLASS_ROOT = 0,
1459 SND_SOC_DAPM_CLASS_RUNTIME = 1,
1460};
1461
1462static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card)
1463{
1464 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT);
1465}
1466
1467static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card)
1468{
1469 mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1470}
1471
1472static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card)
1473{
1474 mutex_unlock(&card->dapm_mutex);
1475}
1476
1477static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card)
1478{
1479 lockdep_assert_held(&card->dapm_mutex);
1480}
1481
1482static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm)
1483{
1484 _snd_soc_dapm_mutex_lock_root_c(snd_soc_dapm_to_card(dapm));
1485}
1486
1487static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm)
1488{
1489 _snd_soc_dapm_mutex_lock_c(snd_soc_dapm_to_card(dapm));
1490}
1491
1492static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm)
1493{
1494 _snd_soc_dapm_mutex_unlock_c(snd_soc_dapm_to_card(dapm));
1495}
1496
1497static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm)
1498{
1499 _snd_soc_dapm_mutex_assert_held_c(snd_soc_dapm_to_card(dapm));
1500}
1501
1502#define snd_soc_dapm_mutex_lock_root(x) _Generic((x), \
1503 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_root_c, \
1504 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_root_d)(x)
1505#define snd_soc_dapm_mutex_lock(x) _Generic((x), \
1506 struct snd_soc_card * : _snd_soc_dapm_mutex_lock_c, \
1507 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_d)(x)
1508#define snd_soc_dapm_mutex_unlock(x) _Generic((x), \
1509 struct snd_soc_card * : _snd_soc_dapm_mutex_unlock_c, \
1510 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_unlock_d)(x)
1511#define snd_soc_dapm_mutex_assert_held(x) _Generic((x), \
1512 struct snd_soc_card * : _snd_soc_dapm_mutex_assert_held_c, \
1513 struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_assert_held_d)(x)
1514
1515/*
1516 * PCM helper functions
1517 */
1518static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card)
1519{
1520 mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass);
1521}
1522
1523static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card)
1524{
1525 mutex_unlock(&card->pcm_mutex);
1526}
1527
1528static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card)
1529{
1530 lockdep_assert_held(&card->pcm_mutex);
1531}
1532
1533static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd)
1534{
1535 _snd_soc_dpcm_mutex_lock_c(rtd->card);
1536}
1537
1538static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd)
1539{
1540 _snd_soc_dpcm_mutex_unlock_c(rtd->card);
1541}
1542
1543static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd)
1544{
1545 _snd_soc_dpcm_mutex_assert_held_c(rtd->card);
1546}
1547
1548#define snd_soc_dpcm_mutex_lock(x) _Generic((x), \
1549 struct snd_soc_card * : _snd_soc_dpcm_mutex_lock_c, \
1550 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_lock_r)(x)
1551
1552#define snd_soc_dpcm_mutex_unlock(x) _Generic((x), \
1553 struct snd_soc_card * : _snd_soc_dpcm_mutex_unlock_c, \
1554 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_unlock_r)(x)
1555
1556#define snd_soc_dpcm_mutex_assert_held(x) _Generic((x), \
1557 struct snd_soc_card * : _snd_soc_dpcm_mutex_assert_held_c, \
1558 struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_assert_held_r)(x)
1559
1560#include <sound/soc-component.h>
1561#include <sound/soc-card.h>
1562#include <sound/soc-jack.h>
1563
1564#endif