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
16 #include <linux/platform_device.h>
17 #include <linux/types.h>
18 #include <linux/notifier.h>
19 #include <linux/workqueue.h>
20 #include <linux/interrupt.h>
21 #include <linux/kernel.h>
22 #include <linux/regmap.h>
23 #include <linux/log2.h>
24 #include <sound/core.h>
25 #include <sound/pcm.h>
26 #include <sound/compress_driver.h>
27 #include <sound/control.h>
28 #include <sound/ac97_codec.h>
31 * Convenience kcontrol builders
33 #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert) \
34 ((unsigned long)&(struct soc_mixer_control) \
35 {.reg = xreg, .rreg = xreg, .shift = shift_left, \
36 .rshift = shift_right, .max = xmax, .platform_max = xmax, \
38 #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) \
39 SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert)
40 #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
41 ((unsigned long)&(struct soc_mixer_control) \
42 {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
43 #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
44 ((unsigned long)&(struct soc_mixer_control) \
45 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
46 .max = xmax, .platform_max = xmax, .invert = xinvert})
47 #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
48 ((unsigned long)&(struct soc_mixer_control) \
49 {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
50 .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
51 #define SOC_SINGLE(xname, reg, shift, max, invert) \
52 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
53 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
54 .put = snd_soc_put_volsw, \
55 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
56 #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
57 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
58 .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
59 .put = snd_soc_put_volsw_range, \
60 .private_value = (unsigned long)&(struct soc_mixer_control) \
61 {.reg = xreg, .rreg = xreg, .shift = xshift, \
62 .rshift = xshift, .min = xmin, .max = xmax, \
63 .platform_max = xmax, .invert = xinvert} }
64 #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
65 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
66 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
67 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
68 .tlv.p = (tlv_array), \
69 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
70 .put = snd_soc_put_volsw, \
71 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
72 #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, 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, \
78 .get = snd_soc_get_volsw_sx,\
79 .put = snd_soc_put_volsw_sx, \
80 .private_value = (unsigned long)&(struct soc_mixer_control) \
81 {.reg = xreg, .rreg = xreg, \
82 .shift = xshift, .rshift = xshift, \
83 .max = xmax, .min = xmin} }
84 #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
85 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
86 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
87 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
88 .tlv.p = (tlv_array), \
89 .info = snd_soc_info_volsw_range, \
90 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
91 .private_value = (unsigned long)&(struct soc_mixer_control) \
92 {.reg = xreg, .rreg = xreg, .shift = xshift, \
93 .rshift = xshift, .min = xmin, .max = xmax, \
94 .platform_max = xmax, .invert = xinvert} }
95 #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
96 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
97 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
98 .put = snd_soc_put_volsw, \
99 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
101 #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
102 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
103 .info = snd_soc_info_volsw, \
104 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
105 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
107 #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
109 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
110 .info = snd_soc_info_volsw_range, \
111 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
112 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
113 xshift, xmin, xmax, xinvert) }
114 #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
115 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
116 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
117 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
118 .tlv.p = (tlv_array), \
119 .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
120 .put = snd_soc_put_volsw, \
121 .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
123 #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
124 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
125 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
126 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
127 .tlv.p = (tlv_array), \
128 .info = snd_soc_info_volsw, \
129 .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
130 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
132 #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
133 xmax, xinvert, tlv_array) \
134 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
135 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
136 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
137 .tlv.p = (tlv_array), \
138 .info = snd_soc_info_volsw_range, \
139 .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
140 .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
141 xshift, xmin, xmax, xinvert) }
142 #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
143 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
144 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
145 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
146 .tlv.p = (tlv_array), \
147 .info = snd_soc_info_volsw, \
148 .get = snd_soc_get_volsw_sx, \
149 .put = snd_soc_put_volsw_sx, \
150 .private_value = (unsigned long)&(struct soc_mixer_control) \
151 {.reg = xreg, .rreg = xrreg, \
152 .shift = xshift, .rshift = xshift, \
153 .max = xmax, .min = xmin} }
154 #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
155 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
156 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
157 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
158 .tlv.p = (tlv_array), \
159 .info = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \
160 .put = snd_soc_put_volsw_s8, \
161 .private_value = (unsigned long)&(struct soc_mixer_control) \
162 {.reg = xreg, .min = xmin, .max = xmax, \
163 .platform_max = xmax} }
164 #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmax, xtexts) \
165 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
166 .max = xmax, .texts = xtexts, \
167 .mask = xmax ? roundup_pow_of_two(xmax) - 1 : 0}
168 #define SOC_ENUM_SINGLE(xreg, xshift, xmax, xtexts) \
169 SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmax, xtexts)
170 #define SOC_ENUM_SINGLE_EXT(xmax, xtexts) \
171 { .max = xmax, .texts = xtexts }
172 #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xmax, xtexts, xvalues) \
173 { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
174 .mask = xmask, .max = xmax, .texts = xtexts, .values = xvalues}
175 #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xmax, xtexts, xvalues) \
176 SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xmax, xtexts, xvalues)
177 #define SOC_ENUM(xname, xenum) \
178 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
179 .info = snd_soc_info_enum_double, \
180 .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
181 .private_value = (unsigned long)&xenum }
182 #define SOC_VALUE_ENUM(xname, xenum) \
183 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
184 .info = snd_soc_info_enum_double, \
185 .get = snd_soc_get_value_enum_double, \
186 .put = snd_soc_put_value_enum_double, \
187 .private_value = (unsigned long)&xenum }
188 #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
189 xhandler_get, xhandler_put) \
190 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
191 .info = snd_soc_info_volsw, \
192 .get = xhandler_get, .put = xhandler_put, \
193 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
194 #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
195 xhandler_get, xhandler_put) \
196 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
197 .info = snd_soc_info_volsw, \
198 .get = xhandler_get, .put = xhandler_put, \
200 SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert) }
201 #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
202 xhandler_get, xhandler_put, tlv_array) \
203 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
204 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
205 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
206 .tlv.p = (tlv_array), \
207 .info = snd_soc_info_volsw, \
208 .get = xhandler_get, .put = xhandler_put, \
209 .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) }
210 #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
211 xhandler_get, xhandler_put, tlv_array) \
212 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
213 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
214 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
215 .tlv.p = (tlv_array), \
216 .info = snd_soc_info_volsw, \
217 .get = xhandler_get, .put = xhandler_put, \
218 .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
220 #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
221 xhandler_get, xhandler_put, tlv_array) \
222 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
223 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
224 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
225 .tlv.p = (tlv_array), \
226 .info = snd_soc_info_volsw, \
227 .get = xhandler_get, .put = xhandler_put, \
228 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
230 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
231 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
232 .info = snd_soc_info_bool_ext, \
233 .get = xhandler_get, .put = xhandler_put, \
234 .private_value = xdata }
235 #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
236 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
237 .info = snd_soc_info_enum_ext, \
238 .get = xhandler_get, .put = xhandler_put, \
239 .private_value = (unsigned long)&xenum }
241 #define SND_SOC_BYTES(xname, xbase, xregs) \
242 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
243 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
244 .put = snd_soc_bytes_put, .private_value = \
245 ((unsigned long)&(struct soc_bytes) \
246 {.base = xbase, .num_regs = xregs }) }
248 #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \
249 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
250 .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
251 .put = snd_soc_bytes_put, .private_value = \
252 ((unsigned long)&(struct soc_bytes) \
253 {.base = xbase, .num_regs = xregs, \
256 #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
257 xmin, xmax, xinvert) \
258 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
259 .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
260 .put = snd_soc_put_xr_sx, \
261 .private_value = (unsigned long)&(struct soc_mreg_control) \
262 {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
263 .invert = xinvert, .min = xmin, .max = xmax} }
265 #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
266 SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
267 snd_soc_get_strobe, snd_soc_put_strobe)
270 * Simplified versions of above macros, declaring a struct and calculating
271 * ARRAY_SIZE internally
273 #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
274 struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
275 ARRAY_SIZE(xtexts), xtexts)
276 #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
277 SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
278 #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
279 struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
280 #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
281 struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
282 ARRAY_SIZE(xtexts), xtexts, xvalues)
283 #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
284 SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
287 * Component probe and remove ordering levels for components with runtime
290 #define SND_SOC_COMP_ORDER_FIRST -2
291 #define SND_SOC_COMP_ORDER_EARLY -1
292 #define SND_SOC_COMP_ORDER_NORMAL 0
293 #define SND_SOC_COMP_ORDER_LATE 1
294 #define SND_SOC_COMP_ORDER_LAST 2
299 * @ON: Bias is fully on for audio playback and capture operations.
300 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
301 * stream start and stop operations.
302 * @STANDBY: Low power standby state when no playback/capture operations are
303 * in progress. NOTE: The transition time between STANDBY and ON
304 * should be as fast as possible and no longer than 10ms.
305 * @OFF: Power Off. No restrictions on transition times.
307 enum snd_soc_bias_level
{
308 SND_SOC_BIAS_OFF
= 0,
309 SND_SOC_BIAS_STANDBY
= 1,
310 SND_SOC_BIAS_PREPARE
= 2,
317 struct snd_soc_pcm_stream
;
319 struct snd_soc_pcm_runtime
;
321 struct snd_soc_dai_driver
;
322 struct snd_soc_platform
;
323 struct snd_soc_dai_link
;
324 struct snd_soc_platform_driver
;
325 struct snd_soc_codec
;
326 struct snd_soc_codec_driver
;
327 struct snd_soc_component
;
328 struct snd_soc_component_driver
;
331 struct snd_soc_jack_zone
;
332 struct snd_soc_jack_pin
;
333 struct snd_soc_cache_ops
;
334 #include <sound/soc-dapm.h>
335 #include <sound/soc-dpcm.h>
337 #ifdef CONFIG_GPIOLIB
338 struct snd_soc_jack_gpio
;
341 typedef int (*hw_write_t
)(void *,const char* ,int);
343 extern struct snd_ac97_bus_ops
*soc_ac97_ops
;
345 enum snd_soc_control_type
{
351 enum snd_soc_compress_type
{
352 SND_SOC_FLAT_COMPRESSION
= 1,
355 enum snd_soc_pcm_subclass
{
356 SND_SOC_PCM_CLASS_PCM
= 0,
357 SND_SOC_PCM_CLASS_BE
= 1,
360 enum snd_soc_card_subclass
{
361 SND_SOC_CARD_CLASS_INIT
= 0,
362 SND_SOC_CARD_CLASS_RUNTIME
= 1,
365 int snd_soc_codec_set_sysclk(struct snd_soc_codec
*codec
, int clk_id
,
366 int source
, unsigned int freq
, int dir
);
367 int snd_soc_codec_set_pll(struct snd_soc_codec
*codec
, int pll_id
, int source
,
368 unsigned int freq_in
, unsigned int freq_out
);
370 int snd_soc_register_card(struct snd_soc_card
*card
);
371 int snd_soc_unregister_card(struct snd_soc_card
*card
);
372 int snd_soc_suspend(struct device
*dev
);
373 int snd_soc_resume(struct device
*dev
);
374 int snd_soc_poweroff(struct device
*dev
);
375 int snd_soc_register_platform(struct device
*dev
,
376 const struct snd_soc_platform_driver
*platform_drv
);
377 void snd_soc_unregister_platform(struct device
*dev
);
378 int snd_soc_add_platform(struct device
*dev
, struct snd_soc_platform
*platform
,
379 const struct snd_soc_platform_driver
*platform_drv
);
380 void snd_soc_remove_platform(struct snd_soc_platform
*platform
);
381 struct snd_soc_platform
*snd_soc_lookup_platform(struct device
*dev
);
382 int snd_soc_register_codec(struct device
*dev
,
383 const struct snd_soc_codec_driver
*codec_drv
,
384 struct snd_soc_dai_driver
*dai_drv
, int num_dai
);
385 void snd_soc_unregister_codec(struct device
*dev
);
386 int snd_soc_register_component(struct device
*dev
,
387 const struct snd_soc_component_driver
*cmpnt_drv
,
388 struct snd_soc_dai_driver
*dai_drv
, int num_dai
);
389 void snd_soc_unregister_component(struct device
*dev
);
390 int snd_soc_codec_volatile_register(struct snd_soc_codec
*codec
,
392 int snd_soc_codec_readable_register(struct snd_soc_codec
*codec
,
394 int snd_soc_codec_writable_register(struct snd_soc_codec
*codec
,
396 int snd_soc_codec_set_cache_io(struct snd_soc_codec
*codec
,
397 int addr_bits
, int data_bits
,
398 enum snd_soc_control_type control
);
399 int snd_soc_cache_sync(struct snd_soc_codec
*codec
);
400 int snd_soc_cache_init(struct snd_soc_codec
*codec
);
401 int snd_soc_cache_exit(struct snd_soc_codec
*codec
);
402 int snd_soc_cache_write(struct snd_soc_codec
*codec
,
403 unsigned int reg
, unsigned int value
);
404 int snd_soc_cache_read(struct snd_soc_codec
*codec
,
405 unsigned int reg
, unsigned int *value
);
406 int snd_soc_default_volatile_register(struct snd_soc_codec
*codec
,
408 int snd_soc_default_readable_register(struct snd_soc_codec
*codec
,
410 int snd_soc_default_writable_register(struct snd_soc_codec
*codec
,
412 int snd_soc_platform_read(struct snd_soc_platform
*platform
,
414 int snd_soc_platform_write(struct snd_soc_platform
*platform
,
415 unsigned int reg
, unsigned int val
);
416 int soc_new_pcm(struct snd_soc_pcm_runtime
*rtd
, int num
);
417 int soc_new_compress(struct snd_soc_pcm_runtime
*rtd
, int num
);
419 struct snd_pcm_substream
*snd_soc_get_dai_substream(struct snd_soc_card
*card
,
420 const char *dai_link
, int stream
);
421 struct snd_soc_pcm_runtime
*snd_soc_get_pcm_runtime(struct snd_soc_card
*card
,
422 const char *dai_link
);
424 /* Utility functions to get clock rates from various things */
425 int snd_soc_calc_frame_size(int sample_size
, int channels
, int tdm_slots
);
426 int snd_soc_params_to_frame_size(struct snd_pcm_hw_params
*params
);
427 int snd_soc_calc_bclk(int fs
, int sample_size
, int channels
, int tdm_slots
);
428 int snd_soc_params_to_bclk(struct snd_pcm_hw_params
*parms
);
430 /* set runtime hw params */
431 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream
*substream
,
432 const struct snd_pcm_hardware
*hw
);
434 int snd_soc_platform_trigger(struct snd_pcm_substream
*substream
,
435 int cmd
, struct snd_soc_platform
*platform
);
438 int snd_soc_jack_new(struct snd_soc_codec
*codec
, const char *id
, int type
,
439 struct snd_soc_jack
*jack
);
440 void snd_soc_jack_report(struct snd_soc_jack
*jack
, int status
, int mask
);
441 int snd_soc_jack_add_pins(struct snd_soc_jack
*jack
, int count
,
442 struct snd_soc_jack_pin
*pins
);
443 void snd_soc_jack_notifier_register(struct snd_soc_jack
*jack
,
444 struct notifier_block
*nb
);
445 void snd_soc_jack_notifier_unregister(struct snd_soc_jack
*jack
,
446 struct notifier_block
*nb
);
447 int snd_soc_jack_add_zones(struct snd_soc_jack
*jack
, int count
,
448 struct snd_soc_jack_zone
*zones
);
449 int snd_soc_jack_get_type(struct snd_soc_jack
*jack
, int micbias_voltage
);
450 #ifdef CONFIG_GPIOLIB
451 int snd_soc_jack_add_gpios(struct snd_soc_jack
*jack
, int count
,
452 struct snd_soc_jack_gpio
*gpios
);
453 void snd_soc_jack_free_gpios(struct snd_soc_jack
*jack
, int count
,
454 struct snd_soc_jack_gpio
*gpios
);
457 /* codec register bit access */
458 int snd_soc_update_bits(struct snd_soc_codec
*codec
, unsigned short reg
,
459 unsigned int mask
, unsigned int value
);
460 int snd_soc_update_bits_locked(struct snd_soc_codec
*codec
,
461 unsigned short reg
, unsigned int mask
,
463 int snd_soc_test_bits(struct snd_soc_codec
*codec
, unsigned short reg
,
464 unsigned int mask
, unsigned int value
);
466 int snd_soc_new_ac97_codec(struct snd_soc_codec
*codec
,
467 struct snd_ac97_bus_ops
*ops
, int num
);
468 void snd_soc_free_ac97_codec(struct snd_soc_codec
*codec
);
470 int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops
*ops
);
471 int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops
*ops
,
472 struct platform_device
*pdev
);
477 struct snd_kcontrol
*snd_soc_cnew(const struct snd_kcontrol_new
*_template
,
478 void *data
, const char *long_name
,
480 int snd_soc_add_codec_controls(struct snd_soc_codec
*codec
,
481 const struct snd_kcontrol_new
*controls
, int num_controls
);
482 int snd_soc_add_platform_controls(struct snd_soc_platform
*platform
,
483 const struct snd_kcontrol_new
*controls
, int num_controls
);
484 int snd_soc_add_card_controls(struct snd_soc_card
*soc_card
,
485 const struct snd_kcontrol_new
*controls
, int num_controls
);
486 int snd_soc_add_dai_controls(struct snd_soc_dai
*dai
,
487 const struct snd_kcontrol_new
*controls
, int num_controls
);
488 int snd_soc_info_enum_double(struct snd_kcontrol
*kcontrol
,
489 struct snd_ctl_elem_info
*uinfo
);
490 int snd_soc_info_enum_ext(struct snd_kcontrol
*kcontrol
,
491 struct snd_ctl_elem_info
*uinfo
);
492 int snd_soc_get_enum_double(struct snd_kcontrol
*kcontrol
,
493 struct snd_ctl_elem_value
*ucontrol
);
494 int snd_soc_put_enum_double(struct snd_kcontrol
*kcontrol
,
495 struct snd_ctl_elem_value
*ucontrol
);
496 int snd_soc_get_value_enum_double(struct snd_kcontrol
*kcontrol
,
497 struct snd_ctl_elem_value
*ucontrol
);
498 int snd_soc_put_value_enum_double(struct snd_kcontrol
*kcontrol
,
499 struct snd_ctl_elem_value
*ucontrol
);
500 int snd_soc_info_volsw(struct snd_kcontrol
*kcontrol
,
501 struct snd_ctl_elem_info
*uinfo
);
502 int snd_soc_info_volsw_ext(struct snd_kcontrol
*kcontrol
,
503 struct snd_ctl_elem_info
*uinfo
);
504 #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
505 int snd_soc_get_volsw(struct snd_kcontrol
*kcontrol
,
506 struct snd_ctl_elem_value
*ucontrol
);
507 int snd_soc_put_volsw(struct snd_kcontrol
*kcontrol
,
508 struct snd_ctl_elem_value
*ucontrol
);
509 #define snd_soc_get_volsw_2r snd_soc_get_volsw
510 #define snd_soc_put_volsw_2r snd_soc_put_volsw
511 int snd_soc_get_volsw_sx(struct snd_kcontrol
*kcontrol
,
512 struct snd_ctl_elem_value
*ucontrol
);
513 int snd_soc_put_volsw_sx(struct snd_kcontrol
*kcontrol
,
514 struct snd_ctl_elem_value
*ucontrol
);
515 int snd_soc_info_volsw_s8(struct snd_kcontrol
*kcontrol
,
516 struct snd_ctl_elem_info
*uinfo
);
517 int snd_soc_get_volsw_s8(struct snd_kcontrol
*kcontrol
,
518 struct snd_ctl_elem_value
*ucontrol
);
519 int snd_soc_put_volsw_s8(struct snd_kcontrol
*kcontrol
,
520 struct snd_ctl_elem_value
*ucontrol
);
521 int snd_soc_info_volsw_range(struct snd_kcontrol
*kcontrol
,
522 struct snd_ctl_elem_info
*uinfo
);
523 int snd_soc_put_volsw_range(struct snd_kcontrol
*kcontrol
,
524 struct snd_ctl_elem_value
*ucontrol
);
525 int snd_soc_get_volsw_range(struct snd_kcontrol
*kcontrol
,
526 struct snd_ctl_elem_value
*ucontrol
);
527 int snd_soc_limit_volume(struct snd_soc_codec
*codec
,
528 const char *name
, int max
);
529 int snd_soc_bytes_info(struct snd_kcontrol
*kcontrol
,
530 struct snd_ctl_elem_info
*uinfo
);
531 int snd_soc_bytes_get(struct snd_kcontrol
*kcontrol
,
532 struct snd_ctl_elem_value
*ucontrol
);
533 int snd_soc_bytes_put(struct snd_kcontrol
*kcontrol
,
534 struct snd_ctl_elem_value
*ucontrol
);
535 int snd_soc_info_xr_sx(struct snd_kcontrol
*kcontrol
,
536 struct snd_ctl_elem_info
*uinfo
);
537 int snd_soc_get_xr_sx(struct snd_kcontrol
*kcontrol
,
538 struct snd_ctl_elem_value
*ucontrol
);
539 int snd_soc_put_xr_sx(struct snd_kcontrol
*kcontrol
,
540 struct snd_ctl_elem_value
*ucontrol
);
541 int snd_soc_get_strobe(struct snd_kcontrol
*kcontrol
,
542 struct snd_ctl_elem_value
*ucontrol
);
543 int snd_soc_put_strobe(struct snd_kcontrol
*kcontrol
,
544 struct snd_ctl_elem_value
*ucontrol
);
547 * struct snd_soc_reg_access - Describes whether a given register is
548 * readable, writable or volatile.
550 * @reg: the register number
551 * @read: whether this register is readable
552 * @write: whether this register is writable
553 * @vol: whether this register is volatile
555 struct snd_soc_reg_access
{
563 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
565 * @pin: name of the pin to update
566 * @mask: bits to check for in reported jack status
567 * @invert: if non-zero then pin is enabled when status is not reported
569 struct snd_soc_jack_pin
{
570 struct list_head list
;
577 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
579 * @min_mv: start voltage in mv
580 * @max_mv: end voltage in mv
581 * @jack_type: type of jack that is expected for this voltage
582 * @debounce_time: debounce_time for jack, codec driver should wait for this
583 * duration before reading the adc for voltages
584 * @:list: list container
586 struct snd_soc_jack_zone
{
589 unsigned int jack_type
;
590 unsigned int debounce_time
;
591 struct list_head list
;
595 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
599 * @report: value to report when jack detected
600 * @invert: report presence in low state
601 * @debouce_time: debouce time in ms
602 * @wake: enable as wake source
603 * @jack_status_check: callback function which overrides the detection
604 * to provide more complex checks (eg, reading an
607 #ifdef CONFIG_GPIOLIB
608 struct snd_soc_jack_gpio
{
616 struct snd_soc_jack
*jack
;
617 struct delayed_work work
;
619 int (*jack_status_check
)(void);
623 struct snd_soc_jack
{
625 struct snd_jack
*jack
;
626 struct snd_soc_codec
*codec
;
627 struct list_head pins
;
629 struct blocking_notifier_head notifier
;
630 struct list_head jack_zones
;
633 /* SoC PCM stream information */
634 struct snd_soc_pcm_stream
{
635 const char *stream_name
;
636 u64 formats
; /* SNDRV_PCM_FMTBIT_* */
637 unsigned int rates
; /* SNDRV_PCM_RATE_* */
638 unsigned int rate_min
; /* min rate */
639 unsigned int rate_max
; /* max rate */
640 unsigned int channels_min
; /* min channels */
641 unsigned int channels_max
; /* max channels */
642 unsigned int sig_bits
; /* number of bits of content */
647 int (*startup
)(struct snd_pcm_substream
*);
648 void (*shutdown
)(struct snd_pcm_substream
*);
649 int (*hw_params
)(struct snd_pcm_substream
*, struct snd_pcm_hw_params
*);
650 int (*hw_free
)(struct snd_pcm_substream
*);
651 int (*prepare
)(struct snd_pcm_substream
*);
652 int (*trigger
)(struct snd_pcm_substream
*, int);
655 struct snd_soc_compr_ops
{
656 int (*startup
)(struct snd_compr_stream
*);
657 void (*shutdown
)(struct snd_compr_stream
*);
658 int (*set_params
)(struct snd_compr_stream
*);
659 int (*trigger
)(struct snd_compr_stream
*);
663 struct snd_soc_cache_ops
{
665 enum snd_soc_compress_type id
;
666 int (*init
)(struct snd_soc_codec
*codec
);
667 int (*exit
)(struct snd_soc_codec
*codec
);
668 int (*read
)(struct snd_soc_codec
*codec
, unsigned int reg
,
669 unsigned int *value
);
670 int (*write
)(struct snd_soc_codec
*codec
, unsigned int reg
,
672 int (*sync
)(struct snd_soc_codec
*codec
);
675 /* SoC Audio Codec device */
676 struct snd_soc_codec
{
678 const char *name_prefix
;
681 const struct snd_soc_codec_driver
*driver
;
684 struct snd_soc_card
*card
;
685 struct list_head list
;
686 struct list_head card_list
;
688 enum snd_soc_compress_type compress_type
;
689 size_t reg_size
; /* reg_cache_size * reg_word_size */
690 int (*volatile_register
)(struct snd_soc_codec
*, unsigned int);
691 int (*readable_register
)(struct snd_soc_codec
*, unsigned int);
692 int (*writable_register
)(struct snd_soc_codec
*, unsigned int);
695 struct snd_ac97
*ac97
; /* for ad-hoc ac97 devices */
697 unsigned int cache_bypass
:1; /* Suppress access to the cache */
698 unsigned int suspended
:1; /* Codec is in suspend PM state */
699 unsigned int probed
:1; /* Codec has been probed */
700 unsigned int ac97_registered
:1; /* Codec has been AC97 registered */
701 unsigned int ac97_created
:1; /* Codec has been created by SoC */
702 unsigned int sysfs_registered
:1; /* codec has been sysfs registered */
703 unsigned int cache_init
:1; /* codec cache has been initialized */
704 unsigned int using_regmap
:1; /* using regmap access */
705 u32 cache_only
; /* Suppress writes to hardware */
706 u32 cache_sync
; /* Cache needs to be synced to hardware */
709 void *control_data
; /* codec control (i2c/3wire) data */
710 enum snd_soc_control_type control_type
;
712 unsigned int (*hw_read
)(struct snd_soc_codec
*, unsigned int);
713 unsigned int (*read
)(struct snd_soc_codec
*, unsigned int);
714 int (*write
)(struct snd_soc_codec
*, unsigned int, unsigned int);
715 int (*bulk_write_raw
)(struct snd_soc_codec
*, unsigned int, const void *, size_t);
717 const void *reg_def_copy
;
718 const struct snd_soc_cache_ops
*cache_ops
;
719 struct mutex cache_rw_mutex
;
723 struct snd_soc_dapm_context dapm
;
724 unsigned int ignore_pmdown_time
:1; /* pmdown_time is ignored at stop */
726 #ifdef CONFIG_DEBUG_FS
727 struct dentry
*debugfs_codec_root
;
728 struct dentry
*debugfs_reg
;
729 struct dentry
*debugfs_dapm
;
734 struct snd_soc_codec_driver
{
737 int (*probe
)(struct snd_soc_codec
*);
738 int (*remove
)(struct snd_soc_codec
*);
739 int (*suspend
)(struct snd_soc_codec
*);
740 int (*resume
)(struct snd_soc_codec
*);
742 /* Default control and setup, added after probe() is run */
743 const struct snd_kcontrol_new
*controls
;
745 const struct snd_soc_dapm_widget
*dapm_widgets
;
746 int num_dapm_widgets
;
747 const struct snd_soc_dapm_route
*dapm_routes
;
750 /* codec wide operations */
751 int (*set_sysclk
)(struct snd_soc_codec
*codec
,
752 int clk_id
, int source
, unsigned int freq
, int dir
);
753 int (*set_pll
)(struct snd_soc_codec
*codec
, int pll_id
, int source
,
754 unsigned int freq_in
, unsigned int freq_out
);
757 unsigned int (*read
)(struct snd_soc_codec
*, unsigned int);
758 int (*write
)(struct snd_soc_codec
*, unsigned int, unsigned int);
759 int (*display_register
)(struct snd_soc_codec
*, char *,
760 size_t, unsigned int);
761 int (*volatile_register
)(struct snd_soc_codec
*, unsigned int);
762 int (*readable_register
)(struct snd_soc_codec
*, unsigned int);
763 int (*writable_register
)(struct snd_soc_codec
*, unsigned int);
764 unsigned int reg_cache_size
;
765 short reg_cache_step
;
767 const void *reg_cache_default
;
768 short reg_access_size
;
769 const struct snd_soc_reg_access
*reg_access_default
;
770 enum snd_soc_compress_type compress_type
;
772 /* codec bias level */
773 int (*set_bias_level
)(struct snd_soc_codec
*,
774 enum snd_soc_bias_level level
);
777 void (*seq_notifier
)(struct snd_soc_dapm_context
*,
778 enum snd_soc_dapm_type
, int);
780 /* codec stream completion event */
781 int (*stream_event
)(struct snd_soc_dapm_context
*dapm
, int event
);
783 bool ignore_pmdown_time
; /* Doesn't benefit from pmdown delay */
785 /* probe ordering - for components with runtime dependencies */
790 /* SoC platform interface */
791 struct snd_soc_platform_driver
{
793 int (*probe
)(struct snd_soc_platform
*);
794 int (*remove
)(struct snd_soc_platform
*);
795 int (*suspend
)(struct snd_soc_dai
*dai
);
796 int (*resume
)(struct snd_soc_dai
*dai
);
798 /* pcm creation and destruction */
799 int (*pcm_new
)(struct snd_soc_pcm_runtime
*);
800 void (*pcm_free
)(struct snd_pcm
*);
802 /* Default control and setup, added after probe() is run */
803 const struct snd_kcontrol_new
*controls
;
805 const struct snd_soc_dapm_widget
*dapm_widgets
;
806 int num_dapm_widgets
;
807 const struct snd_soc_dapm_route
*dapm_routes
;
811 * For platform caused delay reporting.
814 snd_pcm_sframes_t (*delay
)(struct snd_pcm_substream
*,
815 struct snd_soc_dai
*);
817 /* platform stream pcm ops */
818 const struct snd_pcm_ops
*ops
;
820 /* platform stream compress ops */
821 const struct snd_compr_ops
*compr_ops
;
823 /* platform stream completion event */
824 int (*stream_event
)(struct snd_soc_dapm_context
*dapm
, int event
);
826 /* probe ordering - for components with runtime dependencies */
830 /* platform IO - used for platform DAPM */
831 unsigned int (*read
)(struct snd_soc_platform
*, unsigned int);
832 int (*write
)(struct snd_soc_platform
*, unsigned int, unsigned int);
833 int (*bespoke_trigger
)(struct snd_pcm_substream
*, int);
836 struct snd_soc_platform
{
840 const struct snd_soc_platform_driver
*driver
;
843 unsigned int suspended
:1; /* platform is suspended */
844 unsigned int probed
:1;
846 struct snd_soc_card
*card
;
847 struct list_head list
;
848 struct list_head card_list
;
850 struct snd_soc_dapm_context dapm
;
852 #ifdef CONFIG_DEBUG_FS
853 struct dentry
*debugfs_platform_root
;
854 struct dentry
*debugfs_dapm
;
858 struct snd_soc_component_driver
{
862 struct snd_soc_component
{
867 struct list_head list
;
869 const struct snd_soc_component_driver
*driver
;
872 struct snd_soc_dai_link
{
873 /* config - must be set by machine driver */
874 const char *name
; /* Codec name */
875 const char *stream_name
; /* Stream name */
877 * You MAY specify the link's CPU-side device, either by device name,
878 * or by DT/OF node, but not both. If this information is omitted,
879 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
880 * must be globally unique. These fields are currently typically used
881 * only for codec to codec links, or systems using device tree.
883 const char *cpu_name
;
884 const struct device_node
*cpu_of_node
;
886 * You MAY specify the DAI name of the CPU DAI. If this information is
887 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
888 * only, which only works well when that device exposes a single DAI.
890 const char *cpu_dai_name
;
892 * You MUST specify the link's codec, either by device name, or by
893 * DT/OF node, but not both.
895 const char *codec_name
;
896 const struct device_node
*codec_of_node
;
897 /* You MUST specify the DAI name within the codec */
898 const char *codec_dai_name
;
900 * You MAY specify the link's platform/PCM/DMA driver, either by
901 * device name, or by DT/OF node, but not both. Some forms of link
902 * do not need a platform.
904 const char *platform_name
;
905 const struct device_node
*platform_of_node
;
906 int be_id
; /* optional ID for machine driver BE identification */
908 const struct snd_soc_pcm_stream
*params
;
910 unsigned int dai_fmt
; /* format to set on init */
912 enum snd_soc_dpcm_trigger trigger
[2]; /* trigger type for DPCM */
914 /* Keep DAI active over suspend */
915 unsigned int ignore_suspend
:1;
917 /* Symmetry requirements */
918 unsigned int symmetric_rates
:1;
920 /* Do not create a PCM for this DAI link (Backend link) */
921 unsigned int no_pcm
:1;
923 /* This DAI link can route to other DAI links at runtime (Frontend)*/
924 unsigned int dynamic
:1;
926 /* pmdown_time is ignored at stop */
927 unsigned int ignore_pmdown_time
:1;
929 /* codec/machine specific init - e.g. add machine controls */
930 int (*init
)(struct snd_soc_pcm_runtime
*rtd
);
932 /* optional hw_params re-writing for BE and FE sync */
933 int (*be_hw_params_fixup
)(struct snd_soc_pcm_runtime
*rtd
,
934 struct snd_pcm_hw_params
*params
);
936 /* machine stream operations */
937 const struct snd_soc_ops
*ops
;
938 const struct snd_soc_compr_ops
*compr_ops
;
941 struct snd_soc_codec_conf
{
942 const char *dev_name
;
945 * optional map of kcontrol, widget and path name prefixes that are
946 * associated per device
948 const char *name_prefix
;
951 * set this to the desired compression type if you want to
952 * override the one supplied in codec->driver->compress_type
954 enum snd_soc_compress_type compress_type
;
957 struct snd_soc_aux_dev
{
958 const char *name
; /* Codec name */
959 const char *codec_name
; /* for multi-codec */
961 /* codec/machine specific init - e.g. add machine controls */
962 int (*init
)(struct snd_soc_dapm_context
*dapm
);
966 struct snd_soc_card
{
968 const char *long_name
;
969 const char *driver_name
;
971 struct snd_card
*snd_card
;
972 struct module
*owner
;
974 struct list_head list
;
976 struct mutex dapm_mutex
;
980 int (*probe
)(struct snd_soc_card
*card
);
981 int (*late_probe
)(struct snd_soc_card
*card
);
982 int (*remove
)(struct snd_soc_card
*card
);
984 /* the pre and post PM functions are used to do any PM work before and
985 * after the codec and DAI's do any PM work. */
986 int (*suspend_pre
)(struct snd_soc_card
*card
);
987 int (*suspend_post
)(struct snd_soc_card
*card
);
988 int (*resume_pre
)(struct snd_soc_card
*card
);
989 int (*resume_post
)(struct snd_soc_card
*card
);
992 int (*set_bias_level
)(struct snd_soc_card
*,
993 struct snd_soc_dapm_context
*dapm
,
994 enum snd_soc_bias_level level
);
995 int (*set_bias_level_post
)(struct snd_soc_card
*,
996 struct snd_soc_dapm_context
*dapm
,
997 enum snd_soc_bias_level level
);
1001 /* CPU <--> Codec DAI links */
1002 struct snd_soc_dai_link
*dai_link
;
1004 struct snd_soc_pcm_runtime
*rtd
;
1007 /* optional codec specific configuration */
1008 struct snd_soc_codec_conf
*codec_conf
;
1012 * optional auxiliary devices such as amplifiers or codecs with DAI
1015 struct snd_soc_aux_dev
*aux_dev
;
1017 struct snd_soc_pcm_runtime
*rtd_aux
;
1020 const struct snd_kcontrol_new
*controls
;
1024 * Card-specific routes and widgets.
1026 const struct snd_soc_dapm_widget
*dapm_widgets
;
1027 int num_dapm_widgets
;
1028 const struct snd_soc_dapm_route
*dapm_routes
;
1029 int num_dapm_routes
;
1032 struct work_struct deferred_resume_work
;
1034 /* lists of probed devices belonging to this card */
1035 struct list_head codec_dev_list
;
1036 struct list_head platform_dev_list
;
1037 struct list_head dai_dev_list
;
1039 struct list_head widgets
;
1040 struct list_head paths
;
1041 struct list_head dapm_list
;
1042 struct list_head dapm_dirty
;
1044 /* Generic DAPM context for the card */
1045 struct snd_soc_dapm_context dapm
;
1046 struct snd_soc_dapm_stats dapm_stats
;
1048 #ifdef CONFIG_DEBUG_FS
1049 struct dentry
*debugfs_card_root
;
1050 struct dentry
*debugfs_pop_time
;
1057 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
1058 struct snd_soc_pcm_runtime
{
1060 struct snd_soc_card
*card
;
1061 struct snd_soc_dai_link
*dai_link
;
1062 struct mutex pcm_mutex
;
1063 enum snd_soc_pcm_subclass pcm_subclass
;
1064 struct snd_pcm_ops ops
;
1066 unsigned int dev_registered
:1;
1068 /* Dynamic PCM BE runtime data */
1069 struct snd_soc_dpcm_runtime dpcm
[2];
1072 unsigned char pop_wait
:1;
1074 /* runtime devices */
1075 struct snd_pcm
*pcm
;
1076 struct snd_compr
*compr
;
1077 struct snd_soc_codec
*codec
;
1078 struct snd_soc_platform
*platform
;
1079 struct snd_soc_dai
*codec_dai
;
1080 struct snd_soc_dai
*cpu_dai
;
1082 struct delayed_work delayed_work
;
1083 #ifdef CONFIG_DEBUG_FS
1084 struct dentry
*debugfs_dpcm_root
;
1085 struct dentry
*debugfs_dpcm_state
;
1090 struct soc_mixer_control
{
1091 int min
, max
, platform_max
;
1092 unsigned int reg
, rreg
, shift
, rshift
, invert
;
1101 /* multi register control */
1102 struct soc_mreg_control
{
1104 unsigned int regbase
, regcount
, nbits
, invert
;
1107 /* enumerated kcontrol */
1110 unsigned short reg2
;
1111 unsigned char shift_l
;
1112 unsigned char shift_r
;
1115 const char * const *texts
;
1116 const unsigned int *values
;
1120 unsigned int snd_soc_read(struct snd_soc_codec
*codec
, unsigned int reg
);
1121 unsigned int snd_soc_write(struct snd_soc_codec
*codec
,
1122 unsigned int reg
, unsigned int val
);
1123 unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec
*codec
,
1124 unsigned int reg
, const void *data
, size_t len
);
1126 /* device driver data */
1128 static inline void snd_soc_card_set_drvdata(struct snd_soc_card
*card
,
1131 card
->drvdata
= data
;
1134 static inline void *snd_soc_card_get_drvdata(struct snd_soc_card
*card
)
1136 return card
->drvdata
;
1139 static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec
*codec
,
1142 dev_set_drvdata(codec
->dev
, data
);
1145 static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec
*codec
)
1147 return dev_get_drvdata(codec
->dev
);
1150 static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform
*platform
,
1153 dev_set_drvdata(platform
->dev
, data
);
1156 static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform
*platform
)
1158 return dev_get_drvdata(platform
->dev
);
1161 static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime
*rtd
,
1164 dev_set_drvdata(rtd
->dev
, data
);
1167 static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime
*rtd
)
1169 return dev_get_drvdata(rtd
->dev
);
1172 static inline void snd_soc_initialize_card_lists(struct snd_soc_card
*card
)
1174 INIT_LIST_HEAD(&card
->dai_dev_list
);
1175 INIT_LIST_HEAD(&card
->codec_dev_list
);
1176 INIT_LIST_HEAD(&card
->platform_dev_list
);
1177 INIT_LIST_HEAD(&card
->widgets
);
1178 INIT_LIST_HEAD(&card
->paths
);
1179 INIT_LIST_HEAD(&card
->dapm_list
);
1182 static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control
*mc
)
1184 if (mc
->reg
== mc
->rreg
&& mc
->shift
== mc
->rshift
)
1187 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1188 * mc->reg != mc->rreg means that the control is
1189 * stereo (bits in one register or in two registers)
1194 int snd_soc_util_init(void);
1195 void snd_soc_util_exit(void);
1197 int snd_soc_of_parse_card_name(struct snd_soc_card
*card
,
1198 const char *propname
);
1199 int snd_soc_of_parse_audio_routing(struct snd_soc_card
*card
,
1200 const char *propname
);
1201 unsigned int snd_soc_of_parse_daifmt(struct device_node
*np
,
1202 const char *prefix
);
1204 #include <sound/soc-dai.h>
1206 #ifdef CONFIG_DEBUG_FS
1207 extern struct dentry
*snd_soc_debugfs_root
;
1210 extern const struct dev_pm_ops snd_soc_pm_ops
;