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drivers: power: report battery voltage in AOSP compatible format
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / sound / soc.h
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1/*
2 * linux/sound/soc.h -- ALSA SoC Layer
3 *
4 * Author: Liam Girdwood
5 * Created: Aug 11th 2005
6 * Copyright: Wolfson Microelectronics. PLC.
7 *
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.
11 */
12
13#ifndef __LINUX_SND_SOC_H
14#define __LINUX_SND_SOC_H
15
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>
29
30/*
31 * Convenience kcontrol builders
32 */
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, \
37 .invert = xinvert})
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, \
100 max, invert) }
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, \
106 xmax, xinvert) }
107#define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
108 xmax, xinvert) \
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, \
122 max, invert) }
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, \
131 xmax, xinvert) }
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, \
199 .private_value = \
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, \
219 xmax, xinvert) }
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, \
229 xmax, xinvert) }
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 }
240
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 }) }
247
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, \
254 .mask = xmask }) }
255
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} }
264
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)
268
269/*
270 * Simplified versions of above macros, declaring a struct and calculating
271 * ARRAY_SIZE internally
272 */
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)
285
286/*
287 * Component probe and remove ordering levels for components with runtime
288 * dependencies.
289 */
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
295
296/*
297 * Bias levels
298 *
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.
306 */
307enum snd_soc_bias_level {
308 SND_SOC_BIAS_OFF = 0,
309 SND_SOC_BIAS_STANDBY = 1,
310 SND_SOC_BIAS_PREPARE = 2,
311 SND_SOC_BIAS_ON = 3,
312};
313
314struct device_node;
315struct snd_jack;
316struct snd_soc_card;
317struct snd_soc_pcm_stream;
318struct snd_soc_ops;
319struct snd_soc_pcm_runtime;
320struct snd_soc_dai;
321struct snd_soc_dai_driver;
322struct snd_soc_platform;
323struct snd_soc_dai_link;
324struct snd_soc_platform_driver;
325struct snd_soc_codec;
326struct snd_soc_codec_driver;
327struct snd_soc_component;
328struct snd_soc_component_driver;
329struct soc_enum;
330struct snd_soc_jack;
331struct snd_soc_jack_zone;
332struct snd_soc_jack_pin;
333struct snd_soc_cache_ops;
334#include <sound/soc-dapm.h>
335#include <sound/soc-dpcm.h>
336
337#ifdef CONFIG_GPIOLIB
338struct snd_soc_jack_gpio;
339#endif
340
341typedef int (*hw_write_t)(void *,const char* ,int);
342
343extern struct snd_ac97_bus_ops soc_ac97_ops;
344
345enum snd_soc_control_type {
346 SND_SOC_I2C = 1,
347 SND_SOC_SPI,
348 SND_SOC_REGMAP,
349};
350
351enum snd_soc_compress_type {
352 SND_SOC_FLAT_COMPRESSION = 1,
353};
354
355enum snd_soc_pcm_subclass {
356 SND_SOC_PCM_CLASS_PCM = 0,
357 SND_SOC_PCM_CLASS_BE = 1,
358};
359
360enum snd_soc_card_subclass {
361 SND_SOC_CARD_CLASS_INIT = 0,
362 SND_SOC_CARD_CLASS_RUNTIME = 1,
363};
364
365int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
366 int source, unsigned int freq, int dir);
367int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
368 unsigned int freq_in, unsigned int freq_out);
369
370int snd_soc_register_card(struct snd_soc_card *card);
371int snd_soc_unregister_card(struct snd_soc_card *card);
372int snd_soc_suspend(struct device *dev);
373int snd_soc_resume(struct device *dev);
374int snd_soc_poweroff(struct device *dev);
375int snd_soc_register_platform(struct device *dev,
376 const struct snd_soc_platform_driver *platform_drv);
377void snd_soc_unregister_platform(struct device *dev);
378int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
379 const struct snd_soc_platform_driver *platform_drv);
380void snd_soc_remove_platform(struct snd_soc_platform *platform);
381struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
382int 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);
385void snd_soc_unregister_codec(struct device *dev);
386int 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);
389void snd_soc_unregister_component(struct device *dev);
390int snd_soc_codec_volatile_register(struct snd_soc_codec *codec,
391 unsigned int reg);
392int snd_soc_codec_readable_register(struct snd_soc_codec *codec,
393 unsigned int reg);
394int snd_soc_codec_writable_register(struct snd_soc_codec *codec,
395 unsigned int reg);
396int 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);
399int snd_soc_cache_sync(struct snd_soc_codec *codec);
400int snd_soc_cache_init(struct snd_soc_codec *codec);
401int snd_soc_cache_exit(struct snd_soc_codec *codec);
402int snd_soc_cache_write(struct snd_soc_codec *codec,
403 unsigned int reg, unsigned int value);
404int snd_soc_cache_read(struct snd_soc_codec *codec,
405 unsigned int reg, unsigned int *value);
406int snd_soc_default_volatile_register(struct snd_soc_codec *codec,
407 unsigned int reg);
408int snd_soc_default_readable_register(struct snd_soc_codec *codec,
409 unsigned int reg);
410int snd_soc_default_writable_register(struct snd_soc_codec *codec,
411 unsigned int reg);
412int snd_soc_platform_read(struct snd_soc_platform *platform,
413 unsigned int reg);
414int snd_soc_platform_write(struct snd_soc_platform *platform,
415 unsigned int reg, unsigned int val);
416int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
417int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
418
419struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
420 const char *dai_link, int stream);
421struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
422 const char *dai_link);
423
424/* Utility functions to get clock rates from various things */
425int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
426int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
427int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
428int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
429
430/* set runtime hw params */
431int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
432 const struct snd_pcm_hardware *hw);
433
434int snd_soc_platform_trigger(struct snd_pcm_substream *substream,
435 int cmd, struct snd_soc_platform *platform);
436
437/* Jack reporting */
438int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type,
439 struct snd_soc_jack *jack);
440void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
441int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
442 struct snd_soc_jack_pin *pins);
443void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
444 struct notifier_block *nb);
445void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
446 struct notifier_block *nb);
447int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
448 struct snd_soc_jack_zone *zones);
449int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
450#ifdef CONFIG_GPIOLIB
451int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
452 struct snd_soc_jack_gpio *gpios);
453void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
454 struct snd_soc_jack_gpio *gpios);
455#endif
456
457/* codec register bit access */
458int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
459 unsigned int mask, unsigned int value);
460int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
461 unsigned short reg, unsigned int mask,
462 unsigned int value);
463int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
464 unsigned int mask, unsigned int value);
465
466int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
467 struct snd_ac97_bus_ops *ops, int num);
468void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);
469
470/*
471 *Controls
472 */
473struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
474 void *data, const char *long_name,
475 const char *prefix);
476int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
477 const struct snd_kcontrol_new *controls, int num_controls);
478int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
479 const struct snd_kcontrol_new *controls, int num_controls);
480int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
481 const struct snd_kcontrol_new *controls, int num_controls);
482int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
483 const struct snd_kcontrol_new *controls, int num_controls);
484int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
485 struct snd_ctl_elem_info *uinfo);
486int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,
487 struct snd_ctl_elem_info *uinfo);
488int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
489 struct snd_ctl_elem_value *ucontrol);
490int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
491 struct snd_ctl_elem_value *ucontrol);
492int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol,
493 struct snd_ctl_elem_value *ucontrol);
494int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol,
495 struct snd_ctl_elem_value *ucontrol);
496int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
497 struct snd_ctl_elem_info *uinfo);
498int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
499 struct snd_ctl_elem_info *uinfo);
500#define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
501int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
502 struct snd_ctl_elem_value *ucontrol);
503int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
504 struct snd_ctl_elem_value *ucontrol);
505#define snd_soc_get_volsw_2r snd_soc_get_volsw
506#define snd_soc_put_volsw_2r snd_soc_put_volsw
507int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
508 struct snd_ctl_elem_value *ucontrol);
509int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
510 struct snd_ctl_elem_value *ucontrol);
511int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
512 struct snd_ctl_elem_info *uinfo);
513int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
514 struct snd_ctl_elem_value *ucontrol);
515int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
516 struct snd_ctl_elem_value *ucontrol);
517int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
518 struct snd_ctl_elem_info *uinfo);
519int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
520 struct snd_ctl_elem_value *ucontrol);
521int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
522 struct snd_ctl_elem_value *ucontrol);
523int snd_soc_limit_volume(struct snd_soc_codec *codec,
524 const char *name, int max);
525int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
526 struct snd_ctl_elem_info *uinfo);
527int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
528 struct snd_ctl_elem_value *ucontrol);
529int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
530 struct snd_ctl_elem_value *ucontrol);
531int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
532 struct snd_ctl_elem_info *uinfo);
533int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
534 struct snd_ctl_elem_value *ucontrol);
535int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
536 struct snd_ctl_elem_value *ucontrol);
537int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
538 struct snd_ctl_elem_value *ucontrol);
539int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
540 struct snd_ctl_elem_value *ucontrol);
541
542/**
543 * struct snd_soc_reg_access - Describes whether a given register is
544 * readable, writable or volatile.
545 *
546 * @reg: the register number
547 * @read: whether this register is readable
548 * @write: whether this register is writable
549 * @vol: whether this register is volatile
550 */
551struct snd_soc_reg_access {
552 u16 reg;
553 u16 read;
554 u16 write;
555 u16 vol;
556};
557
558/**
559 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
560 *
561 * @pin: name of the pin to update
562 * @mask: bits to check for in reported jack status
563 * @invert: if non-zero then pin is enabled when status is not reported
564 */
565struct snd_soc_jack_pin {
566 struct list_head list;
567 const char *pin;
568 int mask;
569 bool invert;
570};
571
572/**
573 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
574 *
575 * @min_mv: start voltage in mv
576 * @max_mv: end voltage in mv
577 * @jack_type: type of jack that is expected for this voltage
578 * @debounce_time: debounce_time for jack, codec driver should wait for this
579 * duration before reading the adc for voltages
580 * @:list: list container
581 */
582struct snd_soc_jack_zone {
583 unsigned int min_mv;
584 unsigned int max_mv;
585 unsigned int jack_type;
586 unsigned int debounce_time;
587 struct list_head list;
588};
589
590/**
591 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
592 *
593 * @gpio: gpio number
594 * @name: gpio name
595 * @report: value to report when jack detected
596 * @invert: report presence in low state
597 * @debouce_time: debouce time in ms
598 * @wake: enable as wake source
599 * @jack_status_check: callback function which overrides the detection
600 * to provide more complex checks (eg, reading an
601 * ADC).
602 */
603#ifdef CONFIG_GPIOLIB
604struct snd_soc_jack_gpio {
605 unsigned int gpio;
606 const char *name;
607 int report;
608 int invert;
609 int debounce_time;
610 bool wake;
611
612 struct snd_soc_jack *jack;
613 struct delayed_work work;
614
615 int (*jack_status_check)(void);
616};
617#endif
618
619struct snd_soc_jack {
620 struct mutex mutex;
621 struct snd_jack *jack;
622 struct snd_soc_codec *codec;
623 struct list_head pins;
624 int status;
625 struct blocking_notifier_head notifier;
626 struct list_head jack_zones;
627};
628
629/* SoC PCM stream information */
630struct snd_soc_pcm_stream {
631 const char *stream_name;
632 u64 formats; /* SNDRV_PCM_FMTBIT_* */
633 unsigned int rates; /* SNDRV_PCM_RATE_* */
634 unsigned int rate_min; /* min rate */
635 unsigned int rate_max; /* max rate */
636 unsigned int channels_min; /* min channels */
637 unsigned int channels_max; /* max channels */
638 unsigned int sig_bits; /* number of bits of content */
639};
640
641/* SoC audio ops */
642struct snd_soc_ops {
643 int (*startup)(struct snd_pcm_substream *);
644 void (*shutdown)(struct snd_pcm_substream *);
645 int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
646 int (*hw_free)(struct snd_pcm_substream *);
647 int (*prepare)(struct snd_pcm_substream *);
648 int (*trigger)(struct snd_pcm_substream *, int);
649};
650
651struct snd_soc_compr_ops {
652 int (*startup)(struct snd_compr_stream *);
653 void (*shutdown)(struct snd_compr_stream *);
654 int (*set_params)(struct snd_compr_stream *);
655 int (*trigger)(struct snd_compr_stream *);
656};
657
658/* SoC cache ops */
659struct snd_soc_cache_ops {
660 const char *name;
661 enum snd_soc_compress_type id;
662 int (*init)(struct snd_soc_codec *codec);
663 int (*exit)(struct snd_soc_codec *codec);
664 int (*read)(struct snd_soc_codec *codec, unsigned int reg,
665 unsigned int *value);
666 int (*write)(struct snd_soc_codec *codec, unsigned int reg,
667 unsigned int value);
668 int (*sync)(struct snd_soc_codec *codec);
669};
670
671/* SoC Audio Codec device */
672struct snd_soc_codec {
673 const char *name;
674 const char *name_prefix;
675 int id;
676 struct device *dev;
677 const struct snd_soc_codec_driver *driver;
678
679 struct mutex mutex;
680 struct snd_soc_card *card;
681 struct list_head list;
682 struct list_head card_list;
683 int num_dai;
684 enum snd_soc_compress_type compress_type;
685 size_t reg_size; /* reg_cache_size * reg_word_size */
686 int (*volatile_register)(struct snd_soc_codec *, unsigned int);
687 int (*readable_register)(struct snd_soc_codec *, unsigned int);
688 int (*writable_register)(struct snd_soc_codec *, unsigned int);
689
690 /* runtime */
691 struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
692 unsigned int active;
693 unsigned int cache_bypass:1; /* Suppress access to the cache */
694 unsigned int suspended:1; /* Codec is in suspend PM state */
695 unsigned int probed:1; /* Codec has been probed */
696 unsigned int ac97_registered:1; /* Codec has been AC97 registered */
697 unsigned int ac97_created:1; /* Codec has been created by SoC */
698 unsigned int sysfs_registered:1; /* codec has been sysfs registered */
699 unsigned int cache_init:1; /* codec cache has been initialized */
700 unsigned int using_regmap:1; /* using regmap access */
701 u32 cache_only; /* Suppress writes to hardware */
702 u32 cache_sync; /* Cache needs to be synced to hardware */
703
704 /* codec IO */
705 void *control_data; /* codec control (i2c/3wire) data */
706 enum snd_soc_control_type control_type;
707 hw_write_t hw_write;
708 unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int);
709 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
710 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
711 int (*bulk_write_raw)(struct snd_soc_codec *, unsigned int, const void *, size_t);
712 void *reg_cache;
713 const void *reg_def_copy;
714 const struct snd_soc_cache_ops *cache_ops;
715 struct mutex cache_rw_mutex;
716 int val_bytes;
717
718 /* dapm */
719 struct snd_soc_dapm_context dapm;
720 unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
721
722#ifdef CONFIG_DEBUG_FS
723 struct dentry *debugfs_codec_root;
724 struct dentry *debugfs_reg;
725 struct dentry *debugfs_dapm;
726#endif
727};
728
729/* codec driver */
730struct snd_soc_codec_driver {
731
732 /* driver ops */
733 int (*probe)(struct snd_soc_codec *);
734 int (*remove)(struct snd_soc_codec *);
735 int (*suspend)(struct snd_soc_codec *);
736 int (*resume)(struct snd_soc_codec *);
737
738 /* Default control and setup, added after probe() is run */
739 const struct snd_kcontrol_new *controls;
740 int num_controls;
741 const struct snd_soc_dapm_widget *dapm_widgets;
742 int num_dapm_widgets;
743 const struct snd_soc_dapm_route *dapm_routes;
744 int num_dapm_routes;
745
746 /* codec wide operations */
747 int (*set_sysclk)(struct snd_soc_codec *codec,
748 int clk_id, int source, unsigned int freq, int dir);
749 int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
750 unsigned int freq_in, unsigned int freq_out);
751
752 /* codec IO */
753 unsigned int (*read)(struct snd_soc_codec *, unsigned int);
754 int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
755 int (*display_register)(struct snd_soc_codec *, char *,
756 size_t, unsigned int);
757 int (*volatile_register)(struct snd_soc_codec *, unsigned int);
758 int (*readable_register)(struct snd_soc_codec *, unsigned int);
759 int (*writable_register)(struct snd_soc_codec *, unsigned int);
760 unsigned int reg_cache_size;
761 short reg_cache_step;
762 short reg_word_size;
763 const void *reg_cache_default;
764 short reg_access_size;
765 const struct snd_soc_reg_access *reg_access_default;
766 enum snd_soc_compress_type compress_type;
767
768 /* codec bias level */
769 int (*set_bias_level)(struct snd_soc_codec *,
770 enum snd_soc_bias_level level);
771 bool idle_bias_off;
772
773 void (*seq_notifier)(struct snd_soc_dapm_context *,
774 enum snd_soc_dapm_type, int);
775
776 /* codec stream completion event */
777 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event);
778
779 bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */
780
781 /* probe ordering - for components with runtime dependencies */
782 int probe_order;
783 int remove_order;
784};
785
786/* SoC platform interface */
787struct snd_soc_platform_driver {
788
789 int (*probe)(struct snd_soc_platform *);
790 int (*remove)(struct snd_soc_platform *);
791 int (*suspend)(struct snd_soc_dai *dai);
792 int (*resume)(struct snd_soc_dai *dai);
793
794 /* pcm creation and destruction */
795 int (*pcm_new)(struct snd_soc_pcm_runtime *);
796 void (*pcm_free)(struct snd_pcm *);
797
798 /* Default control and setup, added after probe() is run */
799 const struct snd_kcontrol_new *controls;
800 int num_controls;
801 const struct snd_soc_dapm_widget *dapm_widgets;
802 int num_dapm_widgets;
803 const struct snd_soc_dapm_route *dapm_routes;
804 int num_dapm_routes;
805
806 /*
807 * For platform caused delay reporting.
808 * Optional.
809 */
810 snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
811 struct snd_soc_dai *);
812
813 /* platform stream pcm ops */
814 const struct snd_pcm_ops *ops;
815
816 /* platform stream compress ops */
817 const struct snd_compr_ops *compr_ops;
818
819 /* platform stream completion event */
820 int (*stream_event)(struct snd_soc_dapm_context *dapm, int event);
821
822 /* probe ordering - for components with runtime dependencies */
823 int probe_order;
824 int remove_order;
825
826 /* platform IO - used for platform DAPM */
827 unsigned int (*read)(struct snd_soc_platform *, unsigned int);
828 int (*write)(struct snd_soc_platform *, unsigned int, unsigned int);
829 int (*bespoke_trigger)(struct snd_pcm_substream *, int);
830};
831
832struct snd_soc_platform {
833 const char *name;
834 int id;
835 struct device *dev;
836 const struct snd_soc_platform_driver *driver;
837 struct mutex mutex;
838
839 unsigned int suspended:1; /* platform is suspended */
840 unsigned int probed:1;
841
842 struct snd_soc_card *card;
843 struct list_head list;
844 struct list_head card_list;
845
846 struct snd_soc_dapm_context dapm;
847
848#ifdef CONFIG_DEBUG_FS
849 struct dentry *debugfs_platform_root;
850 struct dentry *debugfs_dapm;
851#endif
852};
853
854struct snd_soc_component_driver {
855 const char *name;
856};
857
858struct snd_soc_component {
859 const char *name;
860 int id;
861 int num_dai;
862 struct device *dev;
863 struct list_head list;
864
865 const struct snd_soc_component_driver *driver;
866};
867
868struct snd_soc_dai_link {
869 /* config - must be set by machine driver */
870 const char *name; /* Codec name */
871 const char *stream_name; /* Stream name */
872 /*
873 * You MAY specify the link's CPU-side device, either by device name,
874 * or by DT/OF node, but not both. If this information is omitted,
875 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
876 * must be globally unique. These fields are currently typically used
877 * only for codec to codec links, or systems using device tree.
878 */
879 const char *cpu_name;
880 const struct device_node *cpu_of_node;
881 /*
882 * You MAY specify the DAI name of the CPU DAI. If this information is
883 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
884 * only, which only works well when that device exposes a single DAI.
885 */
886 const char *cpu_dai_name;
887 /*
888 * You MUST specify the link's codec, either by device name, or by
889 * DT/OF node, but not both.
890 */
891 const char *codec_name;
892 const struct device_node *codec_of_node;
893 /* You MUST specify the DAI name within the codec */
894 const char *codec_dai_name;
895 /*
896 * You MAY specify the link's platform/PCM/DMA driver, either by
897 * device name, or by DT/OF node, but not both. Some forms of link
898 * do not need a platform.
899 */
900 const char *platform_name;
901 const struct device_node *platform_of_node;
902 int be_id; /* optional ID for machine driver BE identification */
903
904 const struct snd_soc_pcm_stream *params;
905
906 unsigned int dai_fmt; /* format to set on init */
907
908 enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
909
910 /* Keep DAI active over suspend */
911 unsigned int ignore_suspend:1;
912
913 /* Symmetry requirements */
914 unsigned int symmetric_rates:1;
915
916 /* Do not create a PCM for this DAI link (Backend link) */
917 unsigned int no_pcm:1;
918
919 /* This DAI link can route to other DAI links at runtime (Frontend)*/
920 unsigned int dynamic:1;
921
922 /* pmdown_time is ignored at stop */
923 unsigned int ignore_pmdown_time:1;
924
925 /* codec/machine specific init - e.g. add machine controls */
926 int (*init)(struct snd_soc_pcm_runtime *rtd);
927
928 /* optional hw_params re-writing for BE and FE sync */
929 int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
930 struct snd_pcm_hw_params *params);
931
932 /* machine stream operations */
933 const struct snd_soc_ops *ops;
934 const struct snd_soc_compr_ops *compr_ops;
935};
936
937struct snd_soc_codec_conf {
938 const char *dev_name;
939
940 /*
941 * optional map of kcontrol, widget and path name prefixes that are
942 * associated per device
943 */
944 const char *name_prefix;
945
946 /*
947 * set this to the desired compression type if you want to
948 * override the one supplied in codec->driver->compress_type
949 */
950 enum snd_soc_compress_type compress_type;
951};
952
953struct snd_soc_aux_dev {
954 const char *name; /* Codec name */
955 const char *codec_name; /* for multi-codec */
956
957 /* codec/machine specific init - e.g. add machine controls */
958 int (*init)(struct snd_soc_dapm_context *dapm);
959};
960
961/* SoC card */
962struct snd_soc_card {
963 const char *name;
964 const char *long_name;
965 const char *driver_name;
966 struct device *dev;
967 struct snd_card *snd_card;
968 struct module *owner;
969
970 struct list_head list;
971 struct mutex mutex;
972 struct mutex dapm_mutex;
973
974 bool instantiated;
975
976 int (*probe)(struct snd_soc_card *card);
977 int (*late_probe)(struct snd_soc_card *card);
978 int (*remove)(struct snd_soc_card *card);
979
980 /* the pre and post PM functions are used to do any PM work before and
981 * after the codec and DAI's do any PM work. */
982 int (*suspend_pre)(struct snd_soc_card *card);
983 int (*suspend_post)(struct snd_soc_card *card);
984 int (*resume_pre)(struct snd_soc_card *card);
985 int (*resume_post)(struct snd_soc_card *card);
986
987 /* callbacks */
988 int (*set_bias_level)(struct snd_soc_card *,
989 struct snd_soc_dapm_context *dapm,
990 enum snd_soc_bias_level level);
991 int (*set_bias_level_post)(struct snd_soc_card *,
992 struct snd_soc_dapm_context *dapm,
993 enum snd_soc_bias_level level);
994
995 long pmdown_time;
996
997 /* CPU <--> Codec DAI links */
998 struct snd_soc_dai_link *dai_link;
999 int num_links;
1000 struct snd_soc_pcm_runtime *rtd;
1001 int num_rtd;
1002
1003 /* optional codec specific configuration */
1004 struct snd_soc_codec_conf *codec_conf;
1005 int num_configs;
1006
1007 /*
1008 * optional auxiliary devices such as amplifiers or codecs with DAI
1009 * link unused
1010 */
1011 struct snd_soc_aux_dev *aux_dev;
1012 int num_aux_devs;
1013 struct snd_soc_pcm_runtime *rtd_aux;
1014 int num_aux_rtd;
1015
1016 const struct snd_kcontrol_new *controls;
1017 int num_controls;
1018
1019 /*
1020 * Card-specific routes and widgets.
1021 */
1022 const struct snd_soc_dapm_widget *dapm_widgets;
1023 int num_dapm_widgets;
1024 const struct snd_soc_dapm_route *dapm_routes;
1025 int num_dapm_routes;
1026 bool fully_routed;
1027
1028 struct work_struct deferred_resume_work;
1029
1030 /* lists of probed devices belonging to this card */
1031 struct list_head codec_dev_list;
1032 struct list_head platform_dev_list;
1033 struct list_head dai_dev_list;
1034
1035 struct list_head widgets;
1036 struct list_head paths;
1037 struct list_head dapm_list;
1038 struct list_head dapm_dirty;
1039
1040 /* Generic DAPM context for the card */
1041 struct snd_soc_dapm_context dapm;
1042 struct snd_soc_dapm_stats dapm_stats;
1043
1044#ifdef CONFIG_DEBUG_FS
1045 struct dentry *debugfs_card_root;
1046 struct dentry *debugfs_pop_time;
1047#endif
1048 u32 pop_time;
1049
1050 void *drvdata;
1051};
1052
1053/* SoC machine DAI configuration, glues a codec and cpu DAI together */
1054struct snd_soc_pcm_runtime {
1055 struct device *dev;
1056 struct snd_soc_card *card;
1057 struct snd_soc_dai_link *dai_link;
1058 struct mutex pcm_mutex;
1059 enum snd_soc_pcm_subclass pcm_subclass;
1060 struct snd_pcm_ops ops;
1061
1062 unsigned int dev_registered:1;
1063
1064 /* Dynamic PCM BE runtime data */
1065 struct snd_soc_dpcm_runtime dpcm[2];
1066
1067 long pmdown_time;
1068 unsigned char pop_wait:1;
1069
1070 /* runtime devices */
1071 struct snd_pcm *pcm;
1072 struct snd_compr *compr;
1073 struct snd_soc_codec *codec;
1074 struct snd_soc_platform *platform;
1075 struct snd_soc_dai *codec_dai;
1076 struct snd_soc_dai *cpu_dai;
1077
1078 struct delayed_work delayed_work;
1079#ifdef CONFIG_DEBUG_FS
1080 struct dentry *debugfs_dpcm_root;
1081 struct dentry *debugfs_dpcm_state;
1082#endif
1083};
1084
1085/* mixer control */
1086struct soc_mixer_control {
1087 int min, max, platform_max;
1088 unsigned int reg, rreg, shift, rshift, invert;
1089};
1090
1091struct soc_bytes {
1092 int base;
1093 int num_regs;
1094 u32 mask;
1095};
1096
1097/* multi register control */
1098struct soc_mreg_control {
1099 long min, max;
1100 unsigned int regbase, regcount, nbits, invert;
1101};
1102
1103/* enumerated kcontrol */
1104struct soc_enum {
1105 unsigned short reg;
1106 unsigned short reg2;
1107 unsigned char shift_l;
1108 unsigned char shift_r;
1109 unsigned int max;
1110 unsigned int mask;
1111 const char * const *texts;
1112 const unsigned int *values;
1113};
1114
1115/* codec IO */
1116unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
1117unsigned int snd_soc_write(struct snd_soc_codec *codec,
1118 unsigned int reg, unsigned int val);
1119unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec,
1120 unsigned int reg, const void *data, size_t len);
1121
1122/* device driver data */
1123
1124static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
1125 void *data)
1126{
1127 card->drvdata = data;
1128}
1129
1130static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
1131{
1132 return card->drvdata;
1133}
1134
1135static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1136 void *data)
1137{
1138 dev_set_drvdata(codec->dev, data);
1139}
1140
1141static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
1142{
1143 return dev_get_drvdata(codec->dev);
1144}
1145
1146static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
1147 void *data)
1148{
1149 dev_set_drvdata(platform->dev, data);
1150}
1151
1152static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
1153{
1154 return dev_get_drvdata(platform->dev);
1155}
1156
1157static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd,
1158 void *data)
1159{
1160 dev_set_drvdata(rtd->dev, data);
1161}
1162
1163static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd)
1164{
1165 return dev_get_drvdata(rtd->dev);
1166}
1167
1168static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
1169{
1170 INIT_LIST_HEAD(&card->dai_dev_list);
1171 INIT_LIST_HEAD(&card->codec_dev_list);
1172 INIT_LIST_HEAD(&card->platform_dev_list);
1173 INIT_LIST_HEAD(&card->widgets);
1174 INIT_LIST_HEAD(&card->paths);
1175 INIT_LIST_HEAD(&card->dapm_list);
1176}
1177
1178static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
1179{
1180 if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1181 return 0;
1182 /*
1183 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1184 * mc->reg != mc->rreg means that the control is
1185 * stereo (bits in one register or in two registers)
1186 */
1187 return 1;
1188}
1189
1190int snd_soc_util_init(void);
1191void snd_soc_util_exit(void);
1192
1193int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1194 const char *propname);
1195int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1196 const char *propname);
1197unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
1198 const char *prefix);
1199
1200#include <sound/soc-dai.h>
1201
1202#ifdef CONFIG_DEBUG_FS
1203extern struct dentry *snd_soc_debugfs_root;
1204#endif
1205
1206extern const struct dev_pm_ops snd_soc_pm_ops;
1207
1208#endif
kernel source for telekom puls (alcatel/mediatek)