2 * linux/sound/soc.h -- ALSA SoC Layer
4 * Author: Liam Girdwood
5 * Created: Aug 11th 2005
6 * Copyright: Wolfson Microelectronics. PLC.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #ifndef __LINUX_SND_SOC_H
14 #define __LINUX_SND_SOC_H
17 #include <linux/platform_device.h>
18 #include <linux/types.h>
19 #include <linux/notifier.h>
20 #include <linux/workqueue.h>
21 #include <linux/interrupt.h>
22 #include <linux/kernel.h>
23 #include <linux/regmap.h>
24 #include <linux/log2.h>
25 #include <sound/core.h>
26 #include <sound/pcm.h>
27 #include <sound/compress_driver.h>
28 #include <sound/control.h>
29 #include <sound/ac97_codec.h>
32 * Convenience kcontrol builders
34 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
35 ((unsigned long)&(struct soc_mixer_control) \
36 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
37 .rshift = shift_right, .max = xmax, .platform_max = xmax, \
38 .invert = xinvert, .autodisable = xautodisable})
39 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
40 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
41 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
42 ((unsigned long)&(struct soc_mixer_control) \
43 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
44 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
45 ((unsigned long)&(struct soc_mixer_control) \
46 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
47 .max = xmax, .platform_max = xmax, .invert = xinvert})
48 #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
49 ((unsigned long)&(struct soc_mixer_control) \
50 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
51 .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
53 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
54 ((unsigned long)&(struct soc_mixer_control) \
55 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
56 .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
57 #define SOC_SINGLE(xname, reg, shift, max, invert) \
58 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
59 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
60 .put = snd_soc_put_volsw, \
61 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
62 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
63 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
64 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
65 .put = snd_soc_put_volsw_range, \
66 .private_value = (unsigned long)&(struct soc_mixer_control) \
67 {.reg = xreg, .rreg = xreg, .shift = xshift, \
68 .rshift = xshift, .min = xmin, .max = xmax, \
69 .platform_max = xmax, .invert = xinvert} }
70 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
71 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
72 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
73 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
74 .tlv.p = (tlv_array), \
75 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
76 .put = snd_soc_put_volsw, \
77 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
78 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
79 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
80 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
81 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
82 .tlv.p = (tlv_array),\
83 .info = snd_soc_info_volsw, \
84 .get = snd_soc_get_volsw_sx,\
85 .put = snd_soc_put_volsw_sx, \
86 .private_value = (unsigned long)&(struct soc_mixer_control) \
87 {.reg = xreg, .rreg = xreg, \
88 .shift = xshift, .rshift = xshift, \
89 .max = xmax, .min = xmin} }
90 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
91 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
92 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
93 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
94 .tlv.p = (tlv_array), \
95 .info = snd_soc_info_volsw_range, \
96 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
97 .private_value = (unsigned long)&(struct soc_mixer_control) \
98 {.reg = xreg, .rreg = xreg, .shift = xshift, \
99 .rshift = xshift, .min = xmin, .max = xmax, \
100 .platform_max = xmax, .invert = xinvert} }
101 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
102 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
103 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
104 .put = snd_soc_put_volsw, \
105 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
107 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
108 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
109 .info = snd_soc_info_volsw, \
110 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
111 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
113 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
115 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
116 .info = snd_soc_info_volsw_range, \
117 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
118 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
119 xshift, xmin, xmax, xinvert) }
120 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
121 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
122 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
123 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
124 .tlv.p = (tlv_array), \
125 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
126 .put = snd_soc_put_volsw, \
127 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
129 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
130 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
131 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
132 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
133 .tlv.p = (tlv_array), \
134 .info = snd_soc_info_volsw, \
135 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
136 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
138 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
139 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_range, \
145 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
146 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
147 xshift, xmin, xmax, xinvert) }
148 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
149 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
150 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
151 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
152 .tlv.p = (tlv_array), \
153 .info = snd_soc_info_volsw, \
154 .get = snd_soc_get_volsw_sx, \
155 .put = snd_soc_put_volsw_sx, \
156 .private_value = (unsigned long)&(struct soc_mixer_control) \
157 {.reg = xreg, .rreg = xrreg, \
158 .shift = xshift, .rshift = xshift, \
159 .max = xmax, .min = xmin} }
160 #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
161 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
162 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
163 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
164 .tlv.p = (tlv_array), \
165 .info = snd_soc_info_volsw, \
166 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
167 .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
168 xmin, xmax, xsign_bit, xinvert) }
169 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
170 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
171 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
172 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
173 .tlv.p = (tlv_array), \
174 .info = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \
175 .put = snd_soc_put_volsw_s8, \
176 .private_value = (unsigned long)&(struct soc_mixer_control) \
177 {.reg = xreg, .min = xmin, .max = xmax, \
178 .platform_max = xmax} }
179 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
180 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
181 .items = xitems, .texts = xtexts, \
182 .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
183 #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
184 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
185 #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
186 { .items = xitems, .texts = xtexts }
187 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
188 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
189 .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
190 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xnitmes, xtexts, xvalues) \
191 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xnitmes, xtexts, xvalues)
192 #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
193 SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
194 #define SOC_ENUM(xname, xenum) \
195 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
196 .info = snd_soc_info_enum_double, \
197 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
198 .private_value = (unsigned long)&xenum }
199 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
200 xhandler_get, xhandler_put) \
201 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
202 .info = snd_soc_info_volsw, \
203 .get = xhandler_get, .put = xhandler_put, \
204 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
205 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
206 xhandler_get, xhandler_put) \
207 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
208 .info = snd_soc_info_volsw, \
209 .get = xhandler_get, .put = xhandler_put, \
211 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
212 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
213 xhandler_get, xhandler_put, tlv_array) \
214 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
215 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
216 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
217 .tlv.p = (tlv_array), \
218 .info = snd_soc_info_volsw, \
219 .get = xhandler_get, .put = xhandler_put, \
220 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
221 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
222 xhandler_get, xhandler_put, tlv_array) \
223 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
224 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
225 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
226 .tlv.p = (tlv_array), \
227 .info = snd_soc_info_volsw, \
228 .get = xhandler_get, .put = xhandler_put, \
229 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
231 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
232 xhandler_get, xhandler_put, tlv_array) \
233 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
234 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
235 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
236 .tlv.p = (tlv_array), \
237 .info = snd_soc_info_volsw, \
238 .get = xhandler_get, .put = xhandler_put, \
239 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
241 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
242 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
243 .info = snd_soc_info_bool_ext, \
244 .get = xhandler_get, .put = xhandler_put, \
245 .private_value = xdata }
246 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
247 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
248 .info = snd_soc_info_enum_double, \
249 .get = xhandler_get, .put = xhandler_put, \
250 .private_value = (unsigned long)&xenum }
251 #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
252 SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
254 #define SND_SOC_BYTES(xname, xbase, xregs) \
255 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
256 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
257 .put = snd_soc_bytes_put, .private_value = \
258 ((unsigned long)&(struct soc_bytes) \
259 {.base = xbase, .num_regs = xregs }) }
261 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \
262 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
263 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
264 .put = snd_soc_bytes_put, .private_value = \
265 ((unsigned long)&(struct soc_bytes) \
266 {.base = xbase, .num_regs = xregs, \
269 #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
270 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
271 .info = snd_soc_bytes_info_ext, \
272 .get = xhandler_get, .put = xhandler_put, \
273 .private_value = (unsigned long)&(struct soc_bytes_ext) \
275 #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
276 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
277 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
278 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
279 .tlv.c = (snd_soc_bytes_tlv_callback), \
280 .info = snd_soc_bytes_info_ext, \
281 .private_value = (unsigned long)&(struct soc_bytes_ext) \
282 {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
283 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
284 xmin, xmax, xinvert) \
285 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
286 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
287 .put = snd_soc_put_xr_sx, \
288 .private_value = (unsigned long)&(struct soc_mreg_control) \
289 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
290 .invert = xinvert, .min = xmin, .max = xmax} }
292 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
293 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
294 snd_soc_get_strobe, snd_soc_put_strobe)
297 * Simplified versions of above macros, declaring a struct and calculating
298 * ARRAY_SIZE internally
300 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
301 const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
302 ARRAY_SIZE(xtexts), xtexts)
303 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
304 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
305 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
306 const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
307 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
308 const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
309 ARRAY_SIZE(xtexts), xtexts, xvalues)
310 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
311 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
312 #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
313 const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
316 * Component probe and remove ordering levels for components with runtime
319 #define SND_SOC_COMP_ORDER_FIRST -2
320 #define SND_SOC_COMP_ORDER_EARLY -1
321 #define SND_SOC_COMP_ORDER_NORMAL 0
322 #define SND_SOC_COMP_ORDER_LATE 1
323 #define SND_SOC_COMP_ORDER_LAST 2
328 * @ON: Bias is fully on for audio playback and capture operations.
329 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
330 * stream start and stop operations.
331 * @STANDBY: Low power standby state when no playback/capture operations are
332 * in progress. NOTE: The transition time between STANDBY and ON
333 * should be as fast as possible and no longer than 10ms.
334 * @OFF: Power Off. No restrictions on transition times.
336 enum snd_soc_bias_level {
337 SND_SOC_BIAS_OFF = 0,
338 SND_SOC_BIAS_STANDBY = 1,
339 SND_SOC_BIAS_PREPARE = 2,
346 struct snd_soc_pcm_stream;
348 struct snd_soc_pcm_runtime;
350 struct snd_soc_dai_driver;
351 struct snd_soc_platform;
352 struct snd_soc_dai_link;
353 struct snd_soc_platform_driver;
354 struct snd_soc_codec;
355 struct snd_soc_codec_driver;
356 struct snd_soc_component;
357 struct snd_soc_component_driver;
360 struct snd_soc_jack_zone;
361 struct snd_soc_jack_pin;
362 #include <sound/soc-dapm.h>
363 #include <sound/soc-dpcm.h>
365 struct snd_soc_jack_gpio;
367 typedef int (*hw_write_t)(void *,const char* ,int);
369 enum snd_soc_pcm_subclass {
370 SND_SOC_PCM_CLASS_PCM = 0,
371 SND_SOC_PCM_CLASS_BE = 1,
374 enum snd_soc_card_subclass {
375 SND_SOC_CARD_CLASS_INIT = 0,
376 SND_SOC_CARD_CLASS_RUNTIME = 1,
379 int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
380 int source, unsigned int freq, int dir);
381 int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
382 unsigned int freq_in, unsigned int freq_out);
384 int snd_soc_register_card(struct snd_soc_card *card);
385 int snd_soc_unregister_card(struct snd_soc_card *card);
386 int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
387 int snd_soc_suspend(struct device *dev);
388 int snd_soc_resume(struct device *dev);
389 int snd_soc_poweroff(struct device *dev);
390 int snd_soc_register_platform(struct device *dev,
391 const struct snd_soc_platform_driver *platform_drv);
392 int devm_snd_soc_register_platform(struct device *dev,
393 const struct snd_soc_platform_driver *platform_drv);
394 void snd_soc_unregister_platform(struct device *dev);
395 int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
396 const struct snd_soc_platform_driver *platform_drv);
397 void snd_soc_remove_platform(struct snd_soc_platform *platform);
398 struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
399 int snd_soc_register_codec(struct device *dev,
400 const struct snd_soc_codec_driver *codec_drv,
401 struct snd_soc_dai_driver *dai_drv, int num_dai);
402 void snd_soc_unregister_codec(struct device *dev);
403 int snd_soc_register_component(struct device *dev,
404 const struct snd_soc_component_driver *cmpnt_drv,
405 struct snd_soc_dai_driver *dai_drv, int num_dai);
406 int devm_snd_soc_register_component(struct device *dev,
407 const struct snd_soc_component_driver *cmpnt_drv,
408 struct snd_soc_dai_driver *dai_drv, int num_dai);
409 void snd_soc_unregister_component(struct device *dev);
410 int snd_soc_cache_sync(struct snd_soc_codec *codec);
411 int snd_soc_cache_init(struct snd_soc_codec *codec);
412 int snd_soc_cache_exit(struct snd_soc_codec *codec);
413 int snd_soc_cache_write(struct snd_soc_codec *codec,
414 unsigned int reg, unsigned int value);
415 int snd_soc_cache_read(struct snd_soc_codec *codec,
416 unsigned int reg, unsigned int *value);
417 int snd_soc_platform_read(struct snd_soc_platform *platform,
419 int snd_soc_platform_write(struct snd_soc_platform *platform,
420 unsigned int reg, unsigned int val);
421 int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
422 int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
424 struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
425 const char *dai_link, int stream);
426 struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
427 const char *dai_link);
429 bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
430 void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
431 void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
433 /* Utility functions to get clock rates from various things */
434 int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
435 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
436 int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
437 int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
439 /* set runtime hw params */
440 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
441 const struct snd_pcm_hardware *hw);
443 int snd_soc_platform_trigger(struct snd_pcm_substream *substream,
444 int cmd, struct snd_soc_platform *platform);
446 int soc_dai_hw_params(struct snd_pcm_substream *substream,
447 struct snd_pcm_hw_params *params,
448 struct snd_soc_dai *dai);
451 int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type,
452 struct snd_soc_jack *jack);
453 void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
454 int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
455 struct snd_soc_jack_pin *pins);
456 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
457 struct notifier_block *nb);
458 void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
459 struct notifier_block *nb);
460 int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
461 struct snd_soc_jack_zone *zones);
462 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
463 #ifdef CONFIG_GPIOLIB
464 int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
465 struct snd_soc_jack_gpio *gpios);
466 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
467 struct snd_soc_jack *jack,
468 int count, struct snd_soc_jack_gpio *gpios);
469 void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
470 struct snd_soc_jack_gpio *gpios);
472 static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
473 struct snd_soc_jack_gpio *gpios)
478 static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
479 struct snd_soc_jack *jack,
481 struct snd_soc_jack_gpio *gpios)
486 static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
487 struct snd_soc_jack_gpio *gpios)
492 /* codec register bit access */
493 int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
494 unsigned int mask, unsigned int value);
495 int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
496 unsigned int reg, unsigned int mask,
498 int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
499 unsigned int mask, unsigned int value);
501 #ifdef CONFIG_SND_SOC_AC97_BUS
502 int snd_soc_new_ac97_codec(struct snd_soc_codec *codec);
503 void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);
505 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
506 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
507 struct platform_device *pdev);
509 extern struct snd_ac97_bus_ops *soc_ac97_ops;
511 int snd_soc_ac97_register_dai_links(struct snd_soc_card *card);
514 static inline int snd_soc_ac97_register_dai_links(struct snd_soc_card *card)
519 static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
520 struct platform_device *pdev)
525 static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
534 struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
535 void *data, const char *long_name,
537 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
539 int snd_soc_add_component_controls(struct snd_soc_component *component,
540 const struct snd_kcontrol_new *controls, unsigned int num_controls);
541 int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
542 const struct snd_kcontrol_new *controls, unsigned int num_controls);
543 int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
544 const struct snd_kcontrol_new *controls, unsigned int num_controls);
545 int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
546 const struct snd_kcontrol_new *controls, int num_controls);
547 int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
548 const struct snd_kcontrol_new *controls, int num_controls);
549 int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
550 struct snd_ctl_elem_info *uinfo);
551 int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
552 struct snd_ctl_elem_value *ucontrol);
553 int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
554 struct snd_ctl_elem_value *ucontrol);
555 int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
556 struct snd_ctl_elem_info *uinfo);
557 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
558 int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
559 struct snd_ctl_elem_value *ucontrol);
560 int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
561 struct snd_ctl_elem_value *ucontrol);
562 #define snd_soc_get_volsw_2r snd_soc_get_volsw
563 #define snd_soc_put_volsw_2r snd_soc_put_volsw
564 int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
565 struct snd_ctl_elem_value *ucontrol);
566 int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
567 struct snd_ctl_elem_value *ucontrol);
568 int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
569 struct snd_ctl_elem_info *uinfo);
570 int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
571 struct snd_ctl_elem_value *ucontrol);
572 int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
573 struct snd_ctl_elem_value *ucontrol);
574 int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
575 struct snd_ctl_elem_info *uinfo);
576 int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
577 struct snd_ctl_elem_value *ucontrol);
578 int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
579 struct snd_ctl_elem_value *ucontrol);
580 int snd_soc_limit_volume(struct snd_soc_codec *codec,
581 const char *name, int max);
582 int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
583 struct snd_ctl_elem_info *uinfo);
584 int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
585 struct snd_ctl_elem_value *ucontrol);
586 int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
587 struct snd_ctl_elem_value *ucontrol);
588 int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
589 struct snd_ctl_elem_info *ucontrol);
590 int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
591 unsigned int size, unsigned int __user *tlv);
592 int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
593 struct snd_ctl_elem_info *uinfo);
594 int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
595 struct snd_ctl_elem_value *ucontrol);
596 int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
597 struct snd_ctl_elem_value *ucontrol);
598 int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
599 struct snd_ctl_elem_value *ucontrol);
600 int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
601 struct snd_ctl_elem_value *ucontrol);
604 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
606 * @pin: name of the pin to update
607 * @mask: bits to check for in reported jack status
608 * @invert: if non-zero then pin is enabled when status is not reported
610 struct snd_soc_jack_pin {
611 struct list_head list;
618 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
620 * @min_mv: start voltage in mv
621 * @max_mv: end voltage in mv
622 * @jack_type: type of jack that is expected for this voltage
623 * @debounce_time: debounce_time for jack, codec driver should wait for this
624 * duration before reading the adc for voltages
625 * @:list: list container
627 struct snd_soc_jack_zone {
630 unsigned int jack_type;
631 unsigned int debounce_time;
632 struct list_head list;
636 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
638 * @gpio: legacy gpio number
639 * @idx: gpio descriptor index within the function of the GPIO
641 * @gpiod_dev GPIO consumer device
642 * @name: gpio name. Also as connection ID for the GPIO consumer
643 * device function name lookup
644 * @report: value to report when jack detected
645 * @invert: report presence in low state
646 * @debouce_time: debouce time in ms
647 * @wake: enable as wake source
648 * @jack_status_check: callback function which overrides the detection
649 * to provide more complex checks (eg, reading an
652 struct snd_soc_jack_gpio {
655 struct device *gpiod_dev;
662 struct snd_soc_jack *jack;
663 struct delayed_work work;
664 struct gpio_desc *desc;
667 int (*jack_status_check)(void *data);
670 struct snd_soc_jack {
672 struct snd_jack *jack;
673 struct snd_soc_codec *codec;
674 struct list_head pins;
676 struct blocking_notifier_head notifier;
677 struct list_head jack_zones;
680 /* SoC PCM stream information */
681 struct snd_soc_pcm_stream {
682 const char *stream_name;
683 u64 formats; /* SNDRV_PCM_FMTBIT_* */
684 unsigned int rates; /* SNDRV_PCM_RATE_* */
685 unsigned int rate_min; /* min rate */
686 unsigned int rate_max; /* max rate */
687 unsigned int channels_min; /* min channels */
688 unsigned int channels_max; /* max channels */
689 unsigned int sig_bits; /* number of bits of content */
694 int (*startup)(struct snd_pcm_substream *);
695 void (*shutdown)(struct snd_pcm_substream *);
696 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
697 int (*hw_free)(struct snd_pcm_substream *);
698 int (*prepare)(struct snd_pcm_substream *);
699 int (*trigger)(struct snd_pcm_substream *, int);
702 struct snd_soc_compr_ops {
703 int (*startup)(struct snd_compr_stream *);
704 void (*shutdown)(struct snd_compr_stream *);
705 int (*set_params)(struct snd_compr_stream *);
706 int (*trigger)(struct snd_compr_stream *);
709 /* component interface */
710 struct snd_soc_component_driver {
713 /* Default control and setup, added after probe() is run */
714 const struct snd_kcontrol_new *controls;
715 unsigned int num_controls;
716 const struct snd_soc_dapm_widget *dapm_widgets;
717 unsigned int num_dapm_widgets;
718 const struct snd_soc_dapm_route *dapm_routes;
719 unsigned int num_dapm_routes;
721 int (*probe)(struct snd_soc_component *);
722 void (*remove)(struct snd_soc_component *);
725 int (*of_xlate_dai_name)(struct snd_soc_component *component,
726 struct of_phandle_args *args,
727 const char **dai_name);
728 void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
730 int (*stream_event)(struct snd_soc_component *, int event);
732 /* probe ordering - for components with runtime dependencies */
737 struct snd_soc_component {
740 const char *name_prefix;
742 struct snd_soc_card *card;
746 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
747 unsigned int registered_as_component:1;
748 unsigned int probed:1;
750 struct list_head list;
752 struct snd_soc_dai_driver *dai_drv;
755 const struct snd_soc_component_driver *driver;
757 struct list_head dai_list;
759 int (*read)(struct snd_soc_component *, unsigned int, unsigned int *);
760 int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
762 struct regmap *regmap;
765 struct mutex io_mutex;
767 #ifdef CONFIG_DEBUG_FS
768 struct dentry *debugfs_root;
772 * DO NOT use any of the fields below in drivers, they are temporary and
773 * are going to be removed again soon. If you use them in driver code the
774 * driver will be marked as BROKEN when these fields are removed.
777 /* Don't use these, use snd_soc_component_get_dapm() */
778 struct snd_soc_dapm_context dapm;
779 struct snd_soc_dapm_context *dapm_ptr;
781 const struct snd_kcontrol_new *controls;
782 unsigned int num_controls;
783 const struct snd_soc_dapm_widget *dapm_widgets;
784 unsigned int num_dapm_widgets;
785 const struct snd_soc_dapm_route *dapm_routes;
786 unsigned int num_dapm_routes;
787 struct snd_soc_codec *codec;
789 int (*probe)(struct snd_soc_component *);
790 void (*remove)(struct snd_soc_component *);
792 #ifdef CONFIG_DEBUG_FS
793 void (*init_debugfs)(struct snd_soc_component *component);
794 const char *debugfs_prefix;
798 /* SoC Audio Codec device */
799 struct snd_soc_codec {
801 const struct snd_soc_codec_driver *driver;
804 struct list_head list;
805 struct list_head card_list;
808 struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
809 unsigned int cache_bypass:1; /* Suppress access to the cache */
810 unsigned int suspended:1; /* Codec is in suspend PM state */
811 unsigned int ac97_registered:1; /* Codec has been AC97 registered */
812 unsigned int ac97_created:1; /* Codec has been created by SoC */
813 unsigned int cache_init:1; /* codec cache has been initialized */
814 u32 cache_sync; /* Cache needs to be synced to hardware */
817 void *control_data; /* codec control (i2c/3wire) data */
820 struct mutex cache_rw_mutex;
823 struct snd_soc_component component;
826 struct snd_soc_dapm_context dapm;
828 #ifdef CONFIG_DEBUG_FS
829 struct dentry *debugfs_reg;
834 struct snd_soc_codec_driver {
837 int (*probe)(struct snd_soc_codec *);
838 int (*remove)(struct snd_soc_codec *);
839 int (*suspend)(struct snd_soc_codec *);
840 int (*resume)(struct snd_soc_codec *);
841 struct snd_soc_component_driver component_driver;
843 /* Default control and setup, added after probe() is run */
844 const struct snd_kcontrol_new *controls;
846 const struct snd_soc_dapm_widget *dapm_widgets;
847 int num_dapm_widgets;
848 const struct snd_soc_dapm_route *dapm_routes;
851 /* codec wide operations */
852 int (*set_sysclk)(struct snd_soc_codec *codec,
853 int clk_id, int source, unsigned int freq, int dir);
854 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
855 unsigned int freq_in, unsigned int freq_out);
858 struct regmap *(*get_regmap)(struct device *);
859 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
860 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
861 unsigned int reg_cache_size;
862 short reg_cache_step;
864 const void *reg_cache_default;
866 /* codec bias level */
867 int (*set_bias_level)(struct snd_soc_codec *,
868 enum snd_soc_bias_level level);
870 bool suspend_bias_off;
872 void (*seq_notifier)(struct snd_soc_dapm_context *,
873 enum snd_soc_dapm_type, int);
875 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */
878 /* SoC platform interface */
879 struct snd_soc_platform_driver {
881 int (*probe)(struct snd_soc_platform *);
882 int (*remove)(struct snd_soc_platform *);
883 int (*suspend)(struct snd_soc_dai *dai);
884 int (*resume)(struct snd_soc_dai *dai);
885 struct snd_soc_component_driver component_driver;
887 /* pcm creation and destruction */
888 int (*pcm_new)(struct snd_soc_pcm_runtime *);
889 void (*pcm_free)(struct snd_pcm *);
892 * For platform caused delay reporting.
895 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
896 struct snd_soc_dai *);
898 /* platform stream pcm ops */
899 const struct snd_pcm_ops *ops;
901 /* platform stream compress ops */
902 const struct snd_compr_ops *compr_ops;
904 int (*bespoke_trigger)(struct snd_pcm_substream *, int);
907 struct snd_soc_dai_link_component {
909 const struct device_node *of_node;
910 const char *dai_name;
913 struct snd_soc_platform {
915 const struct snd_soc_platform_driver *driver;
917 unsigned int suspended:1; /* platform is suspended */
919 struct list_head list;
921 struct snd_soc_component component;
924 struct snd_soc_dai_link {
925 /* config - must be set by machine driver */
926 const char *name; /* Codec name */
927 const char *stream_name; /* Stream name */
929 * You MAY specify the link's CPU-side device, either by device name,
930 * or by DT/OF node, but not both. If this information is omitted,
931 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
932 * must be globally unique. These fields are currently typically used
933 * only for codec to codec links, or systems using device tree.
935 const char *cpu_name;
936 struct device_node *cpu_of_node;
938 * You MAY specify the DAI name of the CPU DAI. If this information is
939 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
940 * only, which only works well when that device exposes a single DAI.
942 const char *cpu_dai_name;
944 * You MUST specify the link's codec, either by device name, or by
945 * DT/OF node, but not both.
947 const char *codec_name;
948 struct device_node *codec_of_node;
949 /* You MUST specify the DAI name within the codec */
950 const char *codec_dai_name;
952 struct snd_soc_dai_link_component *codecs;
953 unsigned int num_codecs;
956 * You MAY specify the link's platform/PCM/DMA driver, either by
957 * device name, or by DT/OF node, but not both. Some forms of link
958 * do not need a platform.
960 const char *platform_name;
961 struct device_node *platform_of_node;
962 int be_id; /* optional ID for machine driver BE identification */
964 const struct snd_soc_pcm_stream *params;
966 unsigned int dai_fmt; /* format to set on init */
968 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
970 /* Keep DAI active over suspend */
971 unsigned int ignore_suspend:1;
973 /* Symmetry requirements */
974 unsigned int symmetric_rates:1;
975 unsigned int symmetric_channels:1;
976 unsigned int symmetric_samplebits:1;
978 /* Do not create a PCM for this DAI link (Backend link) */
979 unsigned int no_pcm:1;
981 /* This DAI link can route to other DAI links at runtime (Frontend)*/
982 unsigned int dynamic:1;
984 /* DPCM capture and Playback support */
985 unsigned int dpcm_capture:1;
986 unsigned int dpcm_playback:1;
988 /* pmdown_time is ignored at stop */
989 unsigned int ignore_pmdown_time:1;
991 /* codec/machine specific init - e.g. add machine controls */
992 int (*init)(struct snd_soc_pcm_runtime *rtd);
994 /* optional hw_params re-writing for BE and FE sync */
995 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
996 struct snd_pcm_hw_params *params);
998 /* machine stream operations */
999 const struct snd_soc_ops *ops;
1000 const struct snd_soc_compr_ops *compr_ops;
1002 /* For unidirectional dai links */
1007 struct snd_soc_codec_conf {
1009 * specify device either by device name, or by
1010 * DT/OF node, but not both.
1012 const char *dev_name;
1013 const struct device_node *of_node;
1016 * optional map of kcontrol, widget and path name prefixes that are
1017 * associated per device
1019 const char *name_prefix;
1022 struct snd_soc_aux_dev {
1023 const char *name; /* Codec name */
1026 * specify multi-codec either by device name, or by
1027 * DT/OF node, but not both.
1029 const char *codec_name;
1030 const struct device_node *codec_of_node;
1032 /* codec/machine specific init - e.g. add machine controls */
1033 int (*init)(struct snd_soc_component *component);
1037 struct snd_soc_card {
1039 const char *long_name;
1040 const char *driver_name;
1042 struct snd_card *snd_card;
1043 struct module *owner;
1046 struct mutex dapm_mutex;
1050 int (*probe)(struct snd_soc_card *card);
1051 int (*late_probe)(struct snd_soc_card *card);
1052 int (*remove)(struct snd_soc_card *card);
1054 /* the pre and post PM functions are used to do any PM work before and
1055 * after the codec and DAI's do any PM work. */
1056 int (*suspend_pre)(struct snd_soc_card *card);
1057 int (*suspend_post)(struct snd_soc_card *card);
1058 int (*resume_pre)(struct snd_soc_card *card);
1059 int (*resume_post)(struct snd_soc_card *card);
1062 int (*set_bias_level)(struct snd_soc_card *,
1063 struct snd_soc_dapm_context *dapm,
1064 enum snd_soc_bias_level level);
1065 int (*set_bias_level_post)(struct snd_soc_card *,
1066 struct snd_soc_dapm_context *dapm,
1067 enum snd_soc_bias_level level);
1071 /* CPU <--> Codec DAI links */
1072 struct snd_soc_dai_link *dai_link;
1074 struct snd_soc_pcm_runtime *rtd;
1077 /* optional codec specific configuration */
1078 struct snd_soc_codec_conf *codec_conf;
1082 * optional auxiliary devices such as amplifiers or codecs with DAI
1085 struct snd_soc_aux_dev *aux_dev;
1087 struct snd_soc_pcm_runtime *rtd_aux;
1090 const struct snd_kcontrol_new *controls;
1094 * Card-specific routes and widgets.
1096 const struct snd_soc_dapm_widget *dapm_widgets;
1097 int num_dapm_widgets;
1098 const struct snd_soc_dapm_route *dapm_routes;
1099 int num_dapm_routes;
1102 struct work_struct deferred_resume_work;
1104 /* lists of probed devices belonging to this card */
1105 struct list_head codec_dev_list;
1107 struct list_head widgets;
1108 struct list_head paths;
1109 struct list_head dapm_list;
1110 struct list_head dapm_dirty;
1112 /* Generic DAPM context for the card */
1113 struct snd_soc_dapm_context dapm;
1114 struct snd_soc_dapm_stats dapm_stats;
1115 struct snd_soc_dapm_update *update;
1117 #ifdef CONFIG_DEBUG_FS
1118 struct dentry *debugfs_card_root;
1119 struct dentry *debugfs_pop_time;
1126 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1127 struct snd_soc_pcm_runtime {
1129 struct snd_soc_card *card;
1130 struct snd_soc_dai_link *dai_link;
1131 struct mutex pcm_mutex;
1132 enum snd_soc_pcm_subclass pcm_subclass;
1133 struct snd_pcm_ops ops;
1135 unsigned int dev_registered:1;
1137 /* Dynamic PCM BE runtime data */
1138 struct snd_soc_dpcm_runtime dpcm[2];
1142 unsigned char pop_wait:1;
1144 /* runtime devices */
1145 struct snd_pcm *pcm;
1146 struct snd_compr *compr;
1147 struct snd_soc_codec *codec;
1148 struct snd_soc_platform *platform;
1149 struct snd_soc_dai *codec_dai;
1150 struct snd_soc_dai *cpu_dai;
1151 struct snd_soc_component *component; /* Only valid for AUX dev rtds */
1153 struct snd_soc_dai **codec_dais;
1154 unsigned int num_codecs;
1156 struct delayed_work delayed_work;
1157 #ifdef CONFIG_DEBUG_FS
1158 struct dentry *debugfs_dpcm_root;
1159 struct dentry *debugfs_dpcm_state;
1164 struct soc_mixer_control {
1165 int min, max, platform_max;
1167 unsigned int shift, rshift;
1168 unsigned int sign_bit;
1169 unsigned int invert:1;
1170 unsigned int autodisable:1;
1179 struct soc_bytes_ext {
1181 /* used for TLV byte control */
1182 int (*get)(unsigned int __user *bytes, unsigned int size);
1183 int (*put)(const unsigned int __user *bytes, unsigned int size);
1186 /* multi register control */
1187 struct soc_mreg_control {
1189 unsigned int regbase, regcount, nbits, invert;
1192 /* enumerated kcontrol */
1195 unsigned char shift_l;
1196 unsigned char shift_r;
1199 const char * const *texts;
1200 const unsigned int *values;
1204 * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in
1205 * @component: The component to cast to a CODEC
1207 * This function must only be used on components that are known to be CODECs.
1208 * Otherwise the behavior is undefined.
1210 static inline struct snd_soc_codec *snd_soc_component_to_codec(
1211 struct snd_soc_component *component)
1213 return container_of(component, struct snd_soc_codec, component);
1217 * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
1218 * @component: The component to cast to a platform
1220 * This function must only be used on components that are known to be platforms.
1221 * Otherwise the behavior is undefined.
1223 static inline struct snd_soc_platform *snd_soc_component_to_platform(
1224 struct snd_soc_component *component)
1226 return container_of(component, struct snd_soc_platform, component);
1230 * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
1232 * @dapm: The DAPM context to cast to the component
1234 * This function must only be used on DAPM contexts that are known to be part of
1235 * a component (e.g. in a component driver). Otherwise the behavior is
1238 static inline struct snd_soc_component *snd_soc_dapm_to_component(
1239 struct snd_soc_dapm_context *dapm)
1241 return container_of(dapm, struct snd_soc_component, dapm);
1245 * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
1246 * @dapm: The DAPM context to cast to the CODEC
1248 * This function must only be used on DAPM contexts that are known to be part of
1249 * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
1251 static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
1252 struct snd_soc_dapm_context *dapm)
1254 return container_of(dapm, struct snd_soc_codec, dapm);
1258 * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
1260 * @dapm: The DAPM context to cast to the platform.
1262 * This function must only be used on DAPM contexts that are known to be part of
1263 * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
1265 static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
1266 struct snd_soc_dapm_context *dapm)
1268 return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
1272 * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
1274 * @component: The component for which to get the DAPM context
1276 static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
1277 struct snd_soc_component *component)
1279 return component->dapm_ptr;
1283 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1284 int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
1288 int snd_soc_component_read(struct snd_soc_component *component,
1289 unsigned int reg, unsigned int *val);
1290 int snd_soc_component_write(struct snd_soc_component *component,
1291 unsigned int reg, unsigned int val);
1292 int snd_soc_component_update_bits(struct snd_soc_component *component,
1293 unsigned int reg, unsigned int mask, unsigned int val);
1294 int snd_soc_component_update_bits_async(struct snd_soc_component *component,
1295 unsigned int reg, unsigned int mask, unsigned int val);
1296 void snd_soc_component_async_complete(struct snd_soc_component *component);
1297 int snd_soc_component_test_bits(struct snd_soc_component *component,
1298 unsigned int reg, unsigned int mask, unsigned int value);
1300 /* device driver data */
1302 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1305 card->drvdata = data;
1308 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1310 return card->drvdata;
1313 static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
1316 dev_set_drvdata(c->dev, data);
1319 static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
1321 return dev_get_drvdata(c->dev);
1324 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1327 snd_soc_component_set_drvdata(&codec->component, data);
1330 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1332 return snd_soc_component_get_drvdata(&codec->component);
1335 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1338 snd_soc_component_set_drvdata(&platform->component, data);
1341 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1343 return snd_soc_component_get_drvdata(&platform->component);
1346 static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd,
1349 dev_set_drvdata(rtd->dev, data);
1352 static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd)
1354 return dev_get_drvdata(rtd->dev);
1357 static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1359 INIT_LIST_HEAD(&card->codec_dev_list);
1360 INIT_LIST_HEAD(&card->widgets);
1361 INIT_LIST_HEAD(&card->paths);
1362 INIT_LIST_HEAD(&card->dapm_list);
1365 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1367 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1370 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1371 * mc->reg != mc->rreg means that the control is
1372 * stereo (bits in one register or in two registers)
1377 static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
1385 for (i = 0; i < e->items; i++)
1386 if (val == e->values[i])
1392 static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
1398 return e->values[item];
1401 static inline bool snd_soc_component_is_active(
1402 struct snd_soc_component *component)
1404 return component->active != 0;
1407 static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
1409 return snd_soc_component_is_active(&codec->component);
1413 * snd_soc_kcontrol_component() - Returns the component that registered the
1415 * @kcontrol: The control for which to get the component
1417 * Note: This function will work correctly if the control has been registered
1418 * for a component. Either with snd_soc_add_codec_controls() or
1419 * snd_soc_add_platform_controls() or via table based setup for either a
1420 * CODEC, a platform or component driver. Otherwise the behavior is undefined.
1422 static inline struct snd_soc_component *snd_soc_kcontrol_component(
1423 struct snd_kcontrol *kcontrol)
1425 return snd_kcontrol_chip(kcontrol);
1429 * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control
1430 * @kcontrol: The control for which to get the CODEC
1432 * Note: This function will only work correctly if the control has been
1433 * registered with snd_soc_add_codec_controls() or via table based setup of
1434 * snd_soc_codec_driver. Otherwise the behavior is undefined.
1436 static inline struct snd_soc_codec *snd_soc_kcontrol_codec(
1437 struct snd_kcontrol *kcontrol)
1439 return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
1443 * snd_soc_kcontrol_platform() - Returns the platform that registerd the control
1444 * @kcontrol: The control for which to get the platform
1446 * Note: This function will only work correctly if the control has been
1447 * registered with snd_soc_add_platform_controls() or via table based setup of
1448 * a snd_soc_platform_driver. Otherwise the behavior is undefined.
1450 static inline struct snd_soc_platform *snd_soc_kcontrol_platform(
1451 struct snd_kcontrol *kcontrol)
1453 return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
1456 int snd_soc_util_init(void);
1457 void snd_soc_util_exit(void);
1459 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1460 const char *propname);
1461 int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1462 const char *propname);
1463 int snd_soc_of_parse_tdm_slot(struct device_node *np,
1464 unsigned int *slots,
1465 unsigned int *slot_width);
1466 int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1467 const char *propname);
1468 unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1470 struct device_node **bitclkmaster,
1471 struct device_node **framemaster);
1472 int snd_soc_of_get_dai_name(struct device_node *of_node,
1473 const char **dai_name);
1475 #include <sound/soc-dai.h>
1477 #ifdef CONFIG_DEBUG_FS
1478 extern struct dentry *snd_soc_debugfs_root;
1481 extern const struct dev_pm_ops snd_soc_pm_ops;
1483 /* Helper functions */
1484 static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
1486 mutex_lock(&dapm->card->dapm_mutex);
1489 static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
1491 mutex_unlock(&dapm->card->dapm_mutex);