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/of.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>
27
28 /*
29 * Convenience kcontrol builders
30 */
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, \
54 .invert = xinvert})
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, \
108 max, invert, 0) }
109 #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
110 { \
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, \
116 max, invert, 0) }
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, \
122 xmax, xinvert) }
123 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
124 xmax, xinvert) \
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, \
138 max, invert, 0) }
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, \
147 xmax, xinvert) }
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, \
189 .sign_bit = 7,} }
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, \
233 .private_value = \
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, \
241 xmax, xinvert) }
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, \
272 xmax, xinvert, 0) }
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, \
282 xmax, xinvert) }
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)
295
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 }) }
302 #define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \
303 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
304 .info = snd_soc_bytes_info, .get = xhandler_get, \
305 .put = xhandler_put, .private_value = \
306 ((unsigned long)&(struct soc_bytes) \
307 {.base = xbase, .num_regs = xregs }) }
308
309 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \
310 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
311 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
312 .put = snd_soc_bytes_put, .private_value = \
313 ((unsigned long)&(struct soc_bytes) \
314 {.base = xbase, .num_regs = xregs, \
315 .mask = xmask }) }
316
317 /*
318 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
319 */
320 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
321 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
322 .info = snd_soc_bytes_info_ext, \
323 .get = xhandler_get, .put = xhandler_put, \
324 .private_value = (unsigned long)&(struct soc_bytes_ext) \
325 {.max = xcount} }
326 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
327 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
328 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
329 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
330 .tlv.c = (snd_soc_bytes_tlv_callback), \
331 .info = snd_soc_bytes_info_ext, \
332 .private_value = (unsigned long)&(struct soc_bytes_ext) \
333 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
334 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
335 xmin, xmax, xinvert) \
336 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
337 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
338 .put = snd_soc_put_xr_sx, \
339 .private_value = (unsigned long)&(struct soc_mreg_control) \
340 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
341 .invert = xinvert, .min = xmin, .max = xmax} }
342
343 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
344 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
345 snd_soc_get_strobe, snd_soc_put_strobe)
346
347 /*
348 * Simplified versions of above macros, declaring a struct and calculating
349 * ARRAY_SIZE internally
350 */
351 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
352 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
353 ARRAY_SIZE(xtexts), xtexts)
354 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
355 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
356 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
357 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
358 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
359 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
360 ARRAY_SIZE(xtexts), xtexts, xvalues)
361 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
362 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
363
364 #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
365 const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
366 xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
367
368 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
369 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
370
371 struct device_node;
372 struct snd_jack;
373 struct snd_soc_card;
374 struct snd_soc_pcm_stream;
375 struct snd_soc_ops;
376 struct snd_soc_pcm_runtime;
377 struct snd_soc_dai;
378 struct snd_soc_dai_driver;
379 struct snd_soc_dai_link;
380 struct snd_soc_component;
381 struct snd_soc_component_driver;
382 struct soc_enum;
383 struct snd_soc_jack;
384 struct snd_soc_jack_zone;
385 struct snd_soc_jack_pin;
386 #include <sound/soc-dapm.h>
387 #include <sound/soc-dpcm.h>
388 #include <sound/soc-topology.h>
389
390 struct snd_soc_jack_gpio;
391
392 typedef int (*hw_write_t)(void *,const char* ,int);
393
394 enum snd_soc_pcm_subclass {
395 SND_SOC_PCM_CLASS_PCM = 0,
396 SND_SOC_PCM_CLASS_BE = 1,
397 };
398
399 int snd_soc_register_card(struct snd_soc_card *card);
400 int snd_soc_unregister_card(struct snd_soc_card *card);
401 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
402 #ifdef CONFIG_PM_SLEEP
403 int snd_soc_suspend(struct device *dev);
404 int snd_soc_resume(struct device *dev);
405 #else
snd_soc_suspend(struct device * dev)406 static inline int snd_soc_suspend(struct device *dev)
407 {
408 return 0;
409 }
410
snd_soc_resume(struct device * dev)411 static inline int snd_soc_resume(struct device *dev)
412 {
413 return 0;
414 }
415 #endif
416 int snd_soc_poweroff(struct device *dev);
417 int snd_soc_component_initialize(struct snd_soc_component *component,
418 const struct snd_soc_component_driver *driver,
419 struct device *dev);
420 int snd_soc_add_component(struct snd_soc_component *component,
421 struct snd_soc_dai_driver *dai_drv,
422 int num_dai);
423 int snd_soc_register_component(struct device *dev,
424 const struct snd_soc_component_driver *component_driver,
425 struct snd_soc_dai_driver *dai_drv, int num_dai);
426 int devm_snd_soc_register_component(struct device *dev,
427 const struct snd_soc_component_driver *component_driver,
428 struct snd_soc_dai_driver *dai_drv, int num_dai);
429 void snd_soc_unregister_component(struct device *dev);
430 void snd_soc_unregister_component_by_driver(struct device *dev,
431 const struct snd_soc_component_driver *component_driver);
432 struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev,
433 const char *driver_name);
434 struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
435 const char *driver_name);
436
437 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
438 #ifdef CONFIG_SND_SOC_COMPRESS
439 int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
440 #else
snd_soc_new_compress(struct snd_soc_pcm_runtime * rtd,int num)441 static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
442 {
443 return 0;
444 }
445 #endif
446
447 void snd_soc_disconnect_sync(struct device *dev);
448
449 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
450 struct snd_soc_dai_link *dai_link);
451
452 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
453
454 void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd,
455 int stream, int action);
snd_soc_runtime_activate(struct snd_soc_pcm_runtime * rtd,int stream)456 static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd,
457 int stream)
458 {
459 snd_soc_runtime_action(rtd, stream, 1);
460 }
snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime * rtd,int stream)461 static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd,
462 int stream)
463 {
464 snd_soc_runtime_action(rtd, stream, -1);
465 }
466
467 int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd,
468 struct snd_pcm_hardware *hw, int stream);
469
470 int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
471 unsigned int dai_fmt);
472
473 #ifdef CONFIG_DMI
474 int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
475 #else
snd_soc_set_dmi_name(struct snd_soc_card * card,const char * flavour)476 static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
477 const char *flavour)
478 {
479 return 0;
480 }
481 #endif
482
483 /* Utility functions to get clock rates from various things */
484 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
485 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
486 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
487 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
488
489 /* set runtime hw params */
490 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
491 const struct snd_pcm_hardware *hw);
492
493 /* Jack reporting */
494 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
495 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
496 struct snd_soc_jack_pin *pins);
497 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
498 struct notifier_block *nb);
499 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
500 struct notifier_block *nb);
501 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
502 struct snd_soc_jack_zone *zones);
503 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
504 #ifdef CONFIG_GPIOLIB
505 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
506 struct snd_soc_jack_gpio *gpios);
507 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
508 struct snd_soc_jack *jack,
509 int count, struct snd_soc_jack_gpio *gpios);
510 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
511 struct snd_soc_jack_gpio *gpios);
512 #else
snd_soc_jack_add_gpios(struct snd_soc_jack * jack,int count,struct snd_soc_jack_gpio * gpios)513 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
514 struct snd_soc_jack_gpio *gpios)
515 {
516 return 0;
517 }
518
snd_soc_jack_add_gpiods(struct device * gpiod_dev,struct snd_soc_jack * jack,int count,struct snd_soc_jack_gpio * gpios)519 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
520 struct snd_soc_jack *jack,
521 int count,
522 struct snd_soc_jack_gpio *gpios)
523 {
524 return 0;
525 }
526
snd_soc_jack_free_gpios(struct snd_soc_jack * jack,int count,struct snd_soc_jack_gpio * gpios)527 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
528 struct snd_soc_jack_gpio *gpios)
529 {
530 }
531 #endif
532
533 struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
534 struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
535 unsigned int id, unsigned int id_mask);
536 void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
537
538 #ifdef CONFIG_SND_SOC_AC97_BUS
539 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
540 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
541 struct platform_device *pdev);
542
543 extern struct snd_ac97_bus_ops *soc_ac97_ops;
544 #else
snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops * ops,struct platform_device * pdev)545 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
546 struct platform_device *pdev)
547 {
548 return 0;
549 }
550
snd_soc_set_ac97_ops(struct snd_ac97_bus_ops * ops)551 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
552 {
553 return 0;
554 }
555 #endif
556
557 /*
558 *Controls
559 */
560 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
561 void *data, const char *long_name,
562 const char *prefix);
563 int snd_soc_add_component_controls(struct snd_soc_component *component,
564 const struct snd_kcontrol_new *controls, unsigned int num_controls);
565 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
566 const struct snd_kcontrol_new *controls, int num_controls);
567 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
568 const struct snd_kcontrol_new *controls, int num_controls);
569 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
570 struct snd_ctl_elem_info *uinfo);
571 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
572 struct snd_ctl_elem_value *ucontrol);
573 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
574 struct snd_ctl_elem_value *ucontrol);
575 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
576 struct snd_ctl_elem_info *uinfo);
577 int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
578 struct snd_ctl_elem_info *uinfo);
579 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
580 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
581 struct snd_ctl_elem_value *ucontrol);
582 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
583 struct snd_ctl_elem_value *ucontrol);
584 #define snd_soc_get_volsw_2r snd_soc_get_volsw
585 #define snd_soc_put_volsw_2r snd_soc_put_volsw
586 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
587 struct snd_ctl_elem_value *ucontrol);
588 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
589 struct snd_ctl_elem_value *ucontrol);
590 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
591 struct snd_ctl_elem_info *uinfo);
592 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
593 struct snd_ctl_elem_value *ucontrol);
594 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
595 struct snd_ctl_elem_value *ucontrol);
596 int snd_soc_limit_volume(struct snd_soc_card *card,
597 const char *name, int max);
598 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
599 struct snd_ctl_elem_info *uinfo);
600 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
601 struct snd_ctl_elem_value *ucontrol);
602 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
603 struct snd_ctl_elem_value *ucontrol);
604 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
605 struct snd_ctl_elem_info *ucontrol);
606 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
607 unsigned int size, unsigned int __user *tlv);
608 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
609 struct snd_ctl_elem_info *uinfo);
610 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
611 struct snd_ctl_elem_value *ucontrol);
612 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
613 struct snd_ctl_elem_value *ucontrol);
614 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
615 struct snd_ctl_elem_value *ucontrol);
616 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
617 struct snd_ctl_elem_value *ucontrol);
618
619 /**
620 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
621 *
622 * @pin: name of the pin to update
623 * @mask: bits to check for in reported jack status
624 * @invert: if non-zero then pin is enabled when status is not reported
625 * @list: internal list entry
626 */
627 struct snd_soc_jack_pin {
628 struct list_head list;
629 const char *pin;
630 int mask;
631 bool invert;
632 };
633
634 /**
635 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
636 *
637 * @min_mv: start voltage in mv
638 * @max_mv: end voltage in mv
639 * @jack_type: type of jack that is expected for this voltage
640 * @debounce_time: debounce_time for jack, codec driver should wait for this
641 * duration before reading the adc for voltages
642 * @list: internal list entry
643 */
644 struct snd_soc_jack_zone {
645 unsigned int min_mv;
646 unsigned int max_mv;
647 unsigned int jack_type;
648 unsigned int debounce_time;
649 struct list_head list;
650 };
651
652 /**
653 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
654 *
655 * @gpio: legacy gpio number
656 * @idx: gpio descriptor index within the function of the GPIO
657 * consumer device
658 * @gpiod_dev: GPIO consumer device
659 * @name: gpio name. Also as connection ID for the GPIO consumer
660 * device function name lookup
661 * @report: value to report when jack detected
662 * @invert: report presence in low state
663 * @debounce_time: debounce time in ms
664 * @wake: enable as wake source
665 * @jack_status_check: callback function which overrides the detection
666 * to provide more complex checks (eg, reading an
667 * ADC).
668 */
669 struct snd_soc_jack_gpio {
670 unsigned int gpio;
671 unsigned int idx;
672 struct device *gpiod_dev;
673 const char *name;
674 int report;
675 int invert;
676 int debounce_time;
677 bool wake;
678
679 /* private: */
680 struct snd_soc_jack *jack;
681 struct delayed_work work;
682 struct notifier_block pm_notifier;
683 struct gpio_desc *desc;
684
685 void *data;
686 /* public: */
687 int (*jack_status_check)(void *data);
688 };
689
690 struct snd_soc_jack {
691 struct mutex mutex;
692 struct snd_jack *jack;
693 struct snd_soc_card *card;
694 struct list_head pins;
695 int status;
696 struct blocking_notifier_head notifier;
697 struct list_head jack_zones;
698 };
699
700 /* SoC PCM stream information */
701 struct snd_soc_pcm_stream {
702 const char *stream_name;
703 u64 formats; /* SNDRV_PCM_FMTBIT_* */
704 unsigned int rates; /* SNDRV_PCM_RATE_* */
705 unsigned int rate_min; /* min rate */
706 unsigned int rate_max; /* max rate */
707 unsigned int channels_min; /* min channels */
708 unsigned int channels_max; /* max channels */
709 unsigned int sig_bits; /* number of bits of content */
710 };
711
712 /* SoC audio ops */
713 struct snd_soc_ops {
714 int (*startup)(struct snd_pcm_substream *);
715 void (*shutdown)(struct snd_pcm_substream *);
716 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
717 int (*hw_free)(struct snd_pcm_substream *);
718 int (*prepare)(struct snd_pcm_substream *);
719 int (*trigger)(struct snd_pcm_substream *, int);
720 };
721
722 struct snd_soc_compr_ops {
723 int (*startup)(struct snd_compr_stream *);
724 void (*shutdown)(struct snd_compr_stream *);
725 int (*set_params)(struct snd_compr_stream *);
726 int (*trigger)(struct snd_compr_stream *);
727 };
728
729 struct snd_soc_component*
730 snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
731 const char *driver_name);
732
733 struct snd_soc_dai_link_component {
734 const char *name;
735 struct device_node *of_node;
736 const char *dai_name;
737 };
738
739 struct snd_soc_dai_link {
740 /* config - must be set by machine driver */
741 const char *name; /* Codec name */
742 const char *stream_name; /* Stream name */
743
744 /*
745 * You MAY specify the link's CPU-side device, either by device name,
746 * or by DT/OF node, but not both. If this information is omitted,
747 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
748 * must be globally unique. These fields are currently typically used
749 * only for codec to codec links, or systems using device tree.
750 */
751 /*
752 * You MAY specify the DAI name of the CPU DAI. If this information is
753 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
754 * only, which only works well when that device exposes a single DAI.
755 */
756 struct snd_soc_dai_link_component *cpus;
757 unsigned int num_cpus;
758
759 /*
760 * You MUST specify the link's codec, either by device name, or by
761 * DT/OF node, but not both.
762 */
763 /* You MUST specify the DAI name within the codec */
764 struct snd_soc_dai_link_component *codecs;
765 unsigned int num_codecs;
766
767 /*
768 * You MAY specify the link's platform/PCM/DMA driver, either by
769 * device name, or by DT/OF node, but not both. Some forms of link
770 * do not need a platform. In such case, platforms are not mandatory.
771 */
772 struct snd_soc_dai_link_component *platforms;
773 unsigned int num_platforms;
774
775 int id; /* optional ID for machine driver link identification */
776
777 const struct snd_soc_pcm_stream *params;
778 unsigned int num_params;
779
780 unsigned int dai_fmt; /* format to set on init */
781
782 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
783
784 /* codec/machine specific init - e.g. add machine controls */
785 int (*init)(struct snd_soc_pcm_runtime *rtd);
786
787 /* codec/machine specific exit - dual of init() */
788 void (*exit)(struct snd_soc_pcm_runtime *rtd);
789
790 /* optional hw_params re-writing for BE and FE sync */
791 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
792 struct snd_pcm_hw_params *params);
793
794 /* machine stream operations */
795 const struct snd_soc_ops *ops;
796 const struct snd_soc_compr_ops *compr_ops;
797
798 /* Mark this pcm with non atomic ops */
799 unsigned int nonatomic:1;
800
801 /* For unidirectional dai links */
802 unsigned int playback_only:1;
803 unsigned int capture_only:1;
804
805 /* Keep DAI active over suspend */
806 unsigned int ignore_suspend:1;
807
808 /* Symmetry requirements */
809 unsigned int symmetric_rates:1;
810 unsigned int symmetric_channels:1;
811 unsigned int symmetric_samplebits:1;
812
813 /* Do not create a PCM for this DAI link (Backend link) */
814 unsigned int no_pcm:1;
815
816 /* This DAI link can route to other DAI links at runtime (Frontend)*/
817 unsigned int dynamic:1;
818
819 /* DPCM capture and Playback support */
820 unsigned int dpcm_capture:1;
821 unsigned int dpcm_playback:1;
822
823 /* DPCM used FE & BE merged format */
824 unsigned int dpcm_merged_format:1;
825 /* DPCM used FE & BE merged channel */
826 unsigned int dpcm_merged_chan:1;
827 /* DPCM used FE & BE merged rate */
828 unsigned int dpcm_merged_rate:1;
829
830 /* pmdown_time is ignored at stop */
831 unsigned int ignore_pmdown_time:1;
832
833 /* Do not create a PCM for this DAI link (Backend link) */
834 unsigned int ignore:1;
835
836 #ifdef CONFIG_SND_SOC_TOPOLOGY
837 struct snd_soc_dobj dobj; /* For topology */
838 #endif
839 };
840 #define for_each_link_codecs(link, i, codec) \
841 for ((i) = 0; \
842 ((i) < link->num_codecs) && ((codec) = &link->codecs[i]); \
843 (i)++)
844
845 #define for_each_link_platforms(link, i, platform) \
846 for ((i) = 0; \
847 ((i) < link->num_platforms) && \
848 ((platform) = &link->platforms[i]); \
849 (i)++)
850
851 #define for_each_link_cpus(link, i, cpu) \
852 for ((i) = 0; \
853 ((i) < link->num_cpus) && ((cpu) = &link->cpus[i]); \
854 (i)++)
855
856 /*
857 * Sample 1 : Single CPU/Codec/Platform
858 *
859 * SND_SOC_DAILINK_DEFS(test,
860 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")),
861 * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")),
862 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
863 *
864 * struct snd_soc_dai_link link = {
865 * ...
866 * SND_SOC_DAILINK_REG(test),
867 * };
868 *
869 * Sample 2 : Multi CPU/Codec, no Platform
870 *
871 * SND_SOC_DAILINK_DEFS(test,
872 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
873 * COMP_CPU("cpu_dai2")),
874 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
875 * COMP_CODEC("codec2", "codec_dai2")));
876 *
877 * struct snd_soc_dai_link link = {
878 * ...
879 * SND_SOC_DAILINK_REG(test),
880 * };
881 *
882 * Sample 3 : Define each CPU/Codec/Platform manually
883 *
884 * SND_SOC_DAILINK_DEF(test_cpu,
885 * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
886 * COMP_CPU("cpu_dai2")));
887 * SND_SOC_DAILINK_DEF(test_codec,
888 * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
889 * COMP_CODEC("codec2", "codec_dai2")));
890 * SND_SOC_DAILINK_DEF(test_platform,
891 * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
892 *
893 * struct snd_soc_dai_link link = {
894 * ...
895 * SND_SOC_DAILINK_REG(test_cpu,
896 * test_codec,
897 * test_platform),
898 * };
899 *
900 * Sample 4 : Sample3 without platform
901 *
902 * struct snd_soc_dai_link link = {
903 * ...
904 * SND_SOC_DAILINK_REG(test_cpu,
905 * test_codec);
906 * };
907 */
908
909 #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms)
910 #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component)
911 #define SND_SOC_DAILINK_REG3(cpu, codec, platform) \
912 .cpus = cpu, \
913 .num_cpus = ARRAY_SIZE(cpu), \
914 .codecs = codec, \
915 .num_codecs = ARRAY_SIZE(codec), \
916 .platforms = platform, \
917 .num_platforms = ARRAY_SIZE(platform)
918
919 #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func
920 #define SND_SOC_DAILINK_REG(...) \
921 SND_SOC_DAILINK_REGx(__VA_ARGS__, \
922 SND_SOC_DAILINK_REG3, \
923 SND_SOC_DAILINK_REG2, \
924 SND_SOC_DAILINK_REG1)(__VA_ARGS__)
925
926 #define SND_SOC_DAILINK_DEF(name, def...) \
927 static struct snd_soc_dai_link_component name[] = { def }
928
929 #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \
930 SND_SOC_DAILINK_DEF(name##_cpus, cpu); \
931 SND_SOC_DAILINK_DEF(name##_codecs, codec); \
932 SND_SOC_DAILINK_DEF(name##_platforms, platform)
933
934 #define DAILINK_COMP_ARRAY(param...) param
935 #define COMP_EMPTY() { }
936 #define COMP_CPU(_dai) { .dai_name = _dai, }
937 #define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, }
938 #define COMP_PLATFORM(_name) { .name = _name }
939 #define COMP_AUX(_name) { .name = _name }
940 #define COMP_CODEC_CONF(_name) { .name = _name }
941 #define COMP_DUMMY() { .name = "snd-soc-dummy", .dai_name = "snd-soc-dummy-dai", }
942
943 extern struct snd_soc_dai_link_component null_dailink_component[0];
944
945
946 struct 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
960 struct 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 */
972 struct 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 char topology_shortname[32];
981
982 struct device *dev;
983 struct snd_card *snd_card;
984 struct module *owner;
985
986 struct mutex mutex;
987 struct mutex dapm_mutex;
988
989 /* Mutex for PCM operations */
990 struct mutex pcm_mutex;
991 enum snd_soc_pcm_subclass pcm_subclass;
992
993 spinlock_t dpcm_lock;
994
995 int (*probe)(struct snd_soc_card *card);
996 int (*late_probe)(struct snd_soc_card *card);
997 int (*remove)(struct snd_soc_card *card);
998
999 /* the pre and post PM functions are used to do any PM work before and
1000 * after the codec and DAI's do any PM work. */
1001 int (*suspend_pre)(struct snd_soc_card *card);
1002 int (*suspend_post)(struct snd_soc_card *card);
1003 int (*resume_pre)(struct snd_soc_card *card);
1004 int (*resume_post)(struct snd_soc_card *card);
1005
1006 /* callbacks */
1007 int (*set_bias_level)(struct snd_soc_card *,
1008 struct snd_soc_dapm_context *dapm,
1009 enum snd_soc_bias_level level);
1010 int (*set_bias_level_post)(struct snd_soc_card *,
1011 struct snd_soc_dapm_context *dapm,
1012 enum snd_soc_bias_level level);
1013
1014 int (*add_dai_link)(struct snd_soc_card *,
1015 struct snd_soc_dai_link *link);
1016 void (*remove_dai_link)(struct snd_soc_card *,
1017 struct snd_soc_dai_link *link);
1018
1019 long pmdown_time;
1020
1021 /* CPU <--> Codec DAI links */
1022 struct snd_soc_dai_link *dai_link; /* predefined links only */
1023 int num_links; /* predefined links only */
1024
1025 struct list_head rtd_list;
1026 int num_rtd;
1027
1028 /* optional codec specific configuration */
1029 struct snd_soc_codec_conf *codec_conf;
1030 int num_configs;
1031
1032 /*
1033 * optional auxiliary devices such as amplifiers or codecs with DAI
1034 * link unused
1035 */
1036 struct snd_soc_aux_dev *aux_dev;
1037 int num_aux_devs;
1038 struct list_head aux_comp_list;
1039
1040 const struct snd_kcontrol_new *controls;
1041 int num_controls;
1042
1043 /*
1044 * Card-specific routes and widgets.
1045 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1046 */
1047 const struct snd_soc_dapm_widget *dapm_widgets;
1048 int num_dapm_widgets;
1049 const struct snd_soc_dapm_route *dapm_routes;
1050 int num_dapm_routes;
1051 const struct snd_soc_dapm_widget *of_dapm_widgets;
1052 int num_of_dapm_widgets;
1053 const struct snd_soc_dapm_route *of_dapm_routes;
1054 int num_of_dapm_routes;
1055
1056 /* lists of probed devices belonging to this card */
1057 struct list_head component_dev_list;
1058 struct list_head list;
1059
1060 struct list_head widgets;
1061 struct list_head paths;
1062 struct list_head dapm_list;
1063 struct list_head dapm_dirty;
1064
1065 /* attached dynamic objects */
1066 struct list_head dobj_list;
1067
1068 /* Generic DAPM context for the card */
1069 struct snd_soc_dapm_context dapm;
1070 struct snd_soc_dapm_stats dapm_stats;
1071 struct snd_soc_dapm_update *update;
1072
1073 #ifdef CONFIG_DEBUG_FS
1074 struct dentry *debugfs_card_root;
1075 #endif
1076 #ifdef CONFIG_PM_SLEEP
1077 struct work_struct deferred_resume_work;
1078 #endif
1079 u32 pop_time;
1080
1081 /* bit field */
1082 unsigned int instantiated:1;
1083 unsigned int topology_shortname_created:1;
1084 unsigned int fully_routed:1;
1085 unsigned int disable_route_checks:1;
1086 unsigned int probed:1;
1087
1088 void *drvdata;
1089 };
1090 #define for_each_card_prelinks(card, i, link) \
1091 for ((i) = 0; \
1092 ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
1093 (i)++)
1094 #define for_each_card_pre_auxs(card, i, aux) \
1095 for ((i) = 0; \
1096 ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \
1097 (i)++)
1098
1099 #define for_each_card_rtds(card, rtd) \
1100 list_for_each_entry(rtd, &(card)->rtd_list, list)
1101 #define for_each_card_rtds_safe(card, rtd, _rtd) \
1102 list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1103
1104 #define for_each_card_auxs(card, component) \
1105 list_for_each_entry(component, &card->aux_comp_list, card_aux_list)
1106 #define for_each_card_auxs_safe(card, component, _comp) \
1107 list_for_each_entry_safe(component, _comp, \
1108 &card->aux_comp_list, card_aux_list)
1109
1110 #define for_each_card_components(card, component) \
1111 list_for_each_entry(component, &(card)->component_dev_list, card_list)
1112
1113 #define for_each_card_dapms(card, dapm) \
1114 list_for_each_entry(dapm, &card->dapm_list, list)
1115
1116 #define for_each_card_widgets(card, w)\
1117 list_for_each_entry(w, &card->widgets, list)
1118 #define for_each_card_widgets_safe(card, w, _w) \
1119 list_for_each_entry_safe(w, _w, &card->widgets, list)
1120
1121 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1122 struct snd_soc_pcm_runtime {
1123 struct device *dev;
1124 struct snd_soc_card *card;
1125 struct snd_soc_dai_link *dai_link;
1126 struct snd_pcm_ops ops;
1127
1128 unsigned int params_select; /* currently selected param for dai link */
1129
1130 /* Dynamic PCM BE runtime data */
1131 struct snd_soc_dpcm_runtime dpcm[2];
1132
1133 long pmdown_time;
1134
1135 /* runtime devices */
1136 struct snd_pcm *pcm;
1137 struct snd_compr *compr;
1138
1139 /*
1140 * dais = cpu_dai + codec_dai
1141 * see
1142 * soc_new_pcm_runtime()
1143 * asoc_rtd_to_cpu()
1144 * asoc_rtd_to_codec()
1145 */
1146 struct snd_soc_dai **dais;
1147 unsigned int num_codecs;
1148 unsigned int num_cpus;
1149
1150 struct snd_soc_dapm_widget *playback_widget;
1151 struct snd_soc_dapm_widget *capture_widget;
1152
1153 struct delayed_work delayed_work;
1154 void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd);
1155 #ifdef CONFIG_DEBUG_FS
1156 struct dentry *debugfs_dpcm_root;
1157 #endif
1158
1159 unsigned int num; /* 0-based and monotonic increasing */
1160 struct list_head list; /* rtd list of the soc card */
1161
1162 /* function mark */
1163 struct snd_pcm_substream *mark_startup;
1164
1165 /* bit field */
1166 unsigned int pop_wait:1;
1167 unsigned int fe_compr:1; /* for Dynamic PCM */
1168
1169 int num_components;
1170 struct snd_soc_component *components[]; /* CPU/Codec/Platform */
1171 };
1172 /* see soc_new_pcm_runtime() */
1173 #define asoc_rtd_to_cpu(rtd, n) (rtd)->dais[n]
1174 #define asoc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->num_cpus]
1175 #define asoc_substream_to_rtd(substream) \
1176 (struct snd_soc_pcm_runtime *)snd_pcm_substream_chip(substream)
1177
1178 #define for_each_rtd_components(rtd, i, component) \
1179 for ((i) = 0, component = NULL; \
1180 ((i) < rtd->num_components) && ((component) = rtd->components[i]);\
1181 (i)++)
1182 #define for_each_rtd_cpu_dais(rtd, i, dai) \
1183 for ((i) = 0; \
1184 ((i) < rtd->num_cpus) && ((dai) = asoc_rtd_to_cpu(rtd, i)); \
1185 (i)++)
1186 #define for_each_rtd_cpu_dais_rollback(rtd, i, dai) \
1187 for (; (--(i) >= 0) && ((dai) = asoc_rtd_to_cpu(rtd, i));)
1188 #define for_each_rtd_codec_dais(rtd, i, dai) \
1189 for ((i) = 0; \
1190 ((i) < rtd->num_codecs) && ((dai) = asoc_rtd_to_codec(rtd, i)); \
1191 (i)++)
1192 #define for_each_rtd_codec_dais_rollback(rtd, i, dai) \
1193 for (; (--(i) >= 0) && ((dai) = asoc_rtd_to_codec(rtd, i));)
1194 #define for_each_rtd_dais(rtd, i, dai) \
1195 for ((i) = 0; \
1196 ((i) < (rtd)->num_cpus + (rtd)->num_codecs) && \
1197 ((dai) = (rtd)->dais[i]); \
1198 (i)++)
1199 #define for_each_rtd_dais_rollback(rtd, i, dai) \
1200 for (; (--(i) >= 0) && ((dai) = (rtd)->dais[i]);)
1201
1202 void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd);
1203
1204 /* mixer control */
1205 struct soc_mixer_control {
1206 int min, max, platform_max;
1207 int reg, rreg;
1208 unsigned int shift, rshift;
1209 unsigned int sign_bit;
1210 unsigned int invert:1;
1211 unsigned int autodisable:1;
1212 #ifdef CONFIG_SND_SOC_TOPOLOGY
1213 struct snd_soc_dobj dobj;
1214 #endif
1215 };
1216
1217 struct soc_bytes {
1218 int base;
1219 int num_regs;
1220 u32 mask;
1221 };
1222
1223 struct soc_bytes_ext {
1224 int max;
1225 #ifdef CONFIG_SND_SOC_TOPOLOGY
1226 struct snd_soc_dobj dobj;
1227 #endif
1228 /* used for TLV byte control */
1229 int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1230 unsigned int size);
1231 int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1232 unsigned int size);
1233 };
1234
1235 /* multi register control */
1236 struct soc_mreg_control {
1237 long min, max;
1238 unsigned int regbase, regcount, nbits, invert;
1239 };
1240
1241 /* enumerated kcontrol */
1242 struct soc_enum {
1243 int reg;
1244 unsigned char shift_l;
1245 unsigned char shift_r;
1246 unsigned int items;
1247 unsigned int mask;
1248 const char * const *texts;
1249 const unsigned int *values;
1250 unsigned int autodisable:1;
1251 #ifdef CONFIG_SND_SOC_TOPOLOGY
1252 struct snd_soc_dobj dobj;
1253 #endif
1254 };
1255
snd_soc_volsw_is_stereo(struct soc_mixer_control * mc)1256 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1257 {
1258 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1259 return false;
1260 /*
1261 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1262 * mc->reg != mc->rreg means that the control is
1263 * stereo (bits in one register or in two registers)
1264 */
1265 return true;
1266 }
1267
snd_soc_enum_val_to_item(struct soc_enum * e,unsigned int val)1268 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1269 unsigned int val)
1270 {
1271 unsigned int i;
1272
1273 if (!e->values)
1274 return val;
1275
1276 for (i = 0; i < e->items; i++)
1277 if (val == e->values[i])
1278 return i;
1279
1280 return 0;
1281 }
1282
snd_soc_enum_item_to_val(struct soc_enum * e,unsigned int item)1283 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1284 unsigned int item)
1285 {
1286 if (!e->values)
1287 return item;
1288
1289 return e->values[item];
1290 }
1291
1292 /**
1293 * snd_soc_kcontrol_component() - Returns the component that registered the
1294 * control
1295 * @kcontrol: The control for which to get the component
1296 *
1297 * Note: This function will work correctly if the control has been registered
1298 * for a component. With snd_soc_add_codec_controls() or via table based
1299 * setup for either a CODEC or component driver. Otherwise the behavior is
1300 * undefined.
1301 */
snd_soc_kcontrol_component(struct snd_kcontrol * kcontrol)1302 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1303 struct snd_kcontrol *kcontrol)
1304 {
1305 return snd_kcontrol_chip(kcontrol);
1306 }
1307
1308 int snd_soc_util_init(void);
1309 void snd_soc_util_exit(void);
1310
1311 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1312 const char *propname);
1313 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1314 const char *propname);
1315 int snd_soc_of_get_slot_mask(struct device_node *np,
1316 const char *prop_name,
1317 unsigned int *mask);
1318 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1319 unsigned int *tx_mask,
1320 unsigned int *rx_mask,
1321 unsigned int *slots,
1322 unsigned int *slot_width);
1323 void snd_soc_of_parse_node_prefix(struct device_node *np,
1324 struct snd_soc_codec_conf *codec_conf,
1325 struct device_node *of_node,
1326 const char *propname);
1327 static inline
snd_soc_of_parse_audio_prefix(struct snd_soc_card * card,struct snd_soc_codec_conf * codec_conf,struct device_node * of_node,const char * propname)1328 void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1329 struct snd_soc_codec_conf *codec_conf,
1330 struct device_node *of_node,
1331 const char *propname)
1332 {
1333 snd_soc_of_parse_node_prefix(card->dev->of_node,
1334 codec_conf, of_node, propname);
1335 }
1336
1337 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1338 const char *propname);
1339 int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname);
1340 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1341 const char *prefix,
1342 struct device_node **bitclkmaster,
1343 struct device_node **framemaster);
1344 int snd_soc_get_dai_id(struct device_node *ep);
1345 int snd_soc_get_dai_name(struct of_phandle_args *args,
1346 const char **dai_name);
1347 int snd_soc_of_get_dai_name(struct device_node *of_node,
1348 const char **dai_name);
1349 int snd_soc_of_get_dai_link_codecs(struct device *dev,
1350 struct device_node *of_node,
1351 struct snd_soc_dai_link *dai_link);
1352 void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1353
1354 int snd_soc_add_pcm_runtime(struct snd_soc_card *card,
1355 struct snd_soc_dai_link *dai_link);
1356 void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
1357 struct snd_soc_pcm_runtime *rtd);
1358
1359 struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
1360 struct snd_soc_dai_driver *dai_drv,
1361 bool legacy_dai_naming);
1362 struct snd_soc_dai *devm_snd_soc_register_dai(struct device *dev,
1363 struct snd_soc_component *component,
1364 struct snd_soc_dai_driver *dai_drv,
1365 bool legacy_dai_naming);
1366 void snd_soc_unregister_dai(struct snd_soc_dai *dai);
1367
1368 struct snd_soc_dai *snd_soc_find_dai(
1369 const struct snd_soc_dai_link_component *dlc);
1370 struct snd_soc_dai *snd_soc_find_dai_with_mutex(
1371 const struct snd_soc_dai_link_component *dlc);
1372
1373 #include <sound/soc-dai.h>
1374
1375 static inline
snd_soc_fixup_dai_links_platform_name(struct snd_soc_card * card,const char * platform_name)1376 int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
1377 const char *platform_name)
1378 {
1379 struct snd_soc_dai_link *dai_link;
1380 const char *name;
1381 int i;
1382
1383 if (!platform_name) /* nothing to do */
1384 return 0;
1385
1386 /* set platform name for each dailink */
1387 for_each_card_prelinks(card, i, dai_link) {
1388 name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
1389 if (!name)
1390 return -ENOMEM;
1391
1392 if (!dai_link->platforms)
1393 return -EINVAL;
1394
1395 /* only single platform is supported for now */
1396 dai_link->platforms->name = name;
1397 }
1398
1399 return 0;
1400 }
1401
1402 #ifdef CONFIG_DEBUG_FS
1403 extern struct dentry *snd_soc_debugfs_root;
1404 #endif
1405
1406 extern const struct dev_pm_ops snd_soc_pm_ops;
1407
1408 /* Helper functions */
snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context * dapm)1409 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1410 {
1411 mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1412 }
1413
snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context * dapm)1414 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1415 {
1416 mutex_unlock(&dapm->card->dapm_mutex);
1417 }
1418
1419 #include <sound/soc-component.h>
1420 #include <sound/soc-card.h>
1421
1422 #endif
1423