1/* SPDX-License-Identifier: GPL-2.0
   2 *
   3 * linux/sound/soc.h -- ALSA SoC Layer
   4 *
   5 * Author:	Liam Girdwood
   6 * Created:	Aug 11th 2005
   7 * Copyright:	Wolfson Microelectronics. PLC.
   8 */
   9
  10#ifndef __LINUX_SND_SOC_H
  11#define __LINUX_SND_SOC_H
  12
  13#include <linux/args.h>
  14#include <linux/array_size.h>
  15#include <linux/device.h>
  16#include <linux/errno.h>
  17#include <linux/interrupt.h>
  18#include <linux/lockdep.h>
  19#include <linux/log2.h>
  20#include <linux/mutex.h>
  21#include <linux/notifier.h>
  22#include <linux/of.h>
 
  23#include <linux/types.h>
 
  24#include <linux/workqueue.h>
  25
  26#include <sound/ac97_codec.h>
  27#include <sound/compress_driver.h>
  28#include <sound/control.h>
  29#include <sound/core.h>
  30#include <sound/pcm.h>
  31
  32struct module;
  33struct platform_device;
  34
  35/* For the current users of sound/soc.h to avoid build issues */
  36#include <linux/platform_device.h>
  37#include <linux/regmap.h>
  38
  39/*
  40 * Convenience kcontrol builders
  41 */
  42#define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
  43	((unsigned long)&(struct soc_mixer_control) \
  44	{.reg = xreg, .rreg = xreg, .shift = shift_left, \
  45	.rshift = shift_right, .max = xmax, \
  46	.invert = xinvert, .autodisable = xautodisable})
  47#define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
  48	((unsigned long)&(struct soc_mixer_control) \
  49	{.reg = xreg, .rreg = xreg, .shift = shift_left, \
  50	.rshift = shift_right, .min = xmin, .max = xmax, \
  51	.sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
  52#define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
  53	SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
  54#define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
  55	((unsigned long)&(struct soc_mixer_control) \
  56	{.reg = xreg, .max = xmax, .invert = xinvert})
  57#define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
  58	((unsigned long)&(struct soc_mixer_control) \
  59	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
  60	.max = xmax, .invert = xinvert})
  61#define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
  62	((unsigned long)&(struct soc_mixer_control) \
  63	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
  64	.max = xmax, .min = xmin, .sign_bit = xsign_bit, \
  65	.invert = xinvert})
  66#define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
  67	((unsigned long)&(struct soc_mixer_control) \
  68	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
  69	.min = xmin, .max = xmax, .invert = xinvert})
  70#define SOC_SINGLE(xname, reg, shift, max, invert) \
  71{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  72	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
  73	.put = snd_soc_put_volsw, \
  74	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
  75#define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
  76{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
  77	.info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
  78	.put = snd_soc_put_volsw_range, \
  79	.private_value = (unsigned long)&(struct soc_mixer_control) \
  80		{.reg = xreg, .rreg = xreg, .shift = xshift, \
  81		 .rshift = xshift,  .min = xmin, .max = xmax, \
  82		 .invert = xinvert} }
  83#define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
  84{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  85	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
  86		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
  87	.tlv.p = (tlv_array), \
  88	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
  89	.put = snd_soc_put_volsw, \
  90	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
  91#define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
  92{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
  93	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
  94	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
  95	.tlv.p  = (tlv_array),\
  96	.info = snd_soc_info_volsw_sx, \
  97	.get = snd_soc_get_volsw_sx,\
  98	.put = snd_soc_put_volsw_sx, \
  99	.private_value = (unsigned long)&(struct soc_mixer_control) \
 100		{.reg = xreg, .rreg = xreg, \
 101		.shift = xshift, .rshift = xshift, \
 102		.max = xmax, .min = xmin} }
 103#define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
 104{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 105	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 106		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 107	.tlv.p = (tlv_array), \
 108	.info = snd_soc_info_volsw_range, \
 109	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
 110	.private_value = (unsigned long)&(struct soc_mixer_control) \
 111		{.reg = xreg, .rreg = xreg, .shift = xshift, \
 112		 .rshift = xshift, .min = xmin, .max = xmax, \
 113		 .invert = xinvert} }
 114#define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
 115{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 116	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
 117	.put = snd_soc_put_volsw, \
 118	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
 119					  max, invert, 0) }
 120#define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
 121{									\
 122	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),		\
 123	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,		\
 124	.access = SNDRV_CTL_ELEM_ACCESS_READ |				\
 125		SNDRV_CTL_ELEM_ACCESS_VOLATILE,				\
 126	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right,	\
 127					  max, invert, 0) }
 128#define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
 129{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 130	.info = snd_soc_info_volsw, \
 131	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 132	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 133					    xmax, xinvert) }
 134#define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
 135			   xmax, xinvert)		\
 136{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 137	.info = snd_soc_info_volsw_range, \
 138	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
 139	.private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
 140					    xshift, xmin, xmax, xinvert) }
 141#define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
 142{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 143	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 144		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 145	.tlv.p = (tlv_array), \
 146	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
 147	.put = snd_soc_put_volsw, \
 148	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
 149					  max, invert, 0) }
 150#define SOC_DOUBLE_SX_TLV(xname, xreg, shift_left, shift_right, xmin, xmax, tlv_array) \
 151{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 152	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 153	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 154	.tlv.p  = (tlv_array), \
 155	.info = snd_soc_info_volsw_sx, \
 156	.get = snd_soc_get_volsw_sx, \
 157	.put = snd_soc_put_volsw_sx, \
 158	.private_value = (unsigned long)&(struct soc_mixer_control) \
 159		{.reg = xreg, .rreg = xreg, \
 160		.shift = shift_left, .rshift = shift_right, \
 161		.max = xmax, .min = xmin} }
 162#define SOC_DOUBLE_RANGE_TLV(xname, xreg, xshift_left, xshift_right, xmin, xmax, \
 163			     xinvert, tlv_array) \
 164{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 165	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 166		  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 167	.tlv.p = (tlv_array), \
 168	.info = snd_soc_info_volsw, \
 169	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 170	.private_value = (unsigned long)&(struct soc_mixer_control) \
 171		{.reg = xreg, .rreg = xreg, \
 172		 .shift = xshift_left, .rshift = xshift_right, \
 173		 .min = xmin, .max = xmax, .invert = xinvert} }
 174#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
 175{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 176	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 177		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 178	.tlv.p = (tlv_array), \
 179	.info = snd_soc_info_volsw, \
 180	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 181	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 182					    xmax, xinvert) }
 183#define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
 184			       xmax, xinvert, tlv_array)		\
 185{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 186	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 187		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 188	.tlv.p = (tlv_array), \
 189	.info = snd_soc_info_volsw_range, \
 190	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
 191	.private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
 192					    xshift, xmin, xmax, xinvert) }
 193#define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
 194{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 195	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 196	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 197	.tlv.p  = (tlv_array), \
 198	.info = snd_soc_info_volsw_sx, \
 199	.get = snd_soc_get_volsw_sx, \
 200	.put = snd_soc_put_volsw_sx, \
 201	.private_value = (unsigned long)&(struct soc_mixer_control) \
 202		{.reg = xreg, .rreg = xrreg, \
 203		.shift = xshift, .rshift = xshift, \
 204		.max = xmax, .min = xmin} }
 205#define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
 206{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 207	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 208		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 209	.tlv.p = (tlv_array), \
 210	.info = snd_soc_info_volsw, \
 211	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
 212	.private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
 213					    xmin, xmax, xsign_bit, xinvert) }
 214#define SOC_SINGLE_S_TLV(xname, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
 215	SOC_DOUBLE_R_S_TLV(xname, xreg, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array)
 216#define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
 217{	.iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 218	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 219		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 220	.tlv.p  = (tlv_array), \
 221	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
 222	.put = snd_soc_put_volsw, \
 223	.private_value = (unsigned long)&(struct soc_mixer_control) \
 224	{.reg = xreg, .rreg = xreg,  \
 225	 .min = xmin, .max = xmax, \
 226	.sign_bit = 7,} }
 227#define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
 228{	.iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 229	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 230		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 231	.tlv.p  = (tlv_array), \
 232	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
 233	.put = snd_soc_put_volsw, \
 234	.private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
 235#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
 236{	.reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
 237	.items = xitems, .texts = xtexts, \
 238	.mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
 239#define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
 240	SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
 241#define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
 242{	.items = xitems, .texts = xtexts }
 243#define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
 244{	.reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
 245	.mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
 246#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
 247	SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
 248#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
 249{	.reg = xreg, .shift_l = xshift, .shift_r = xshift, \
 250	.mask = xmask, .items = xitems, .texts = xtexts, \
 251	.values = xvalues, .autodisable = 1}
 252#define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
 253	SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
 254#define SOC_ENUM(xname, xenum) \
 255{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
 256	.info = snd_soc_info_enum_double, \
 257	.get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
 258	.private_value = (unsigned long)&xenum }
 259#define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
 260	 xhandler_get, xhandler_put) \
 261{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 262	.info = snd_soc_info_volsw, \
 263	.get = xhandler_get, .put = xhandler_put, \
 264	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
 265#define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
 266	 xhandler_get, xhandler_put) \
 267{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 268	.info = snd_soc_info_volsw, \
 269	.get = xhandler_get, .put = xhandler_put, \
 270	.private_value = \
 271		SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
 272#define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
 273	 xhandler_get, xhandler_put) \
 274{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 275	.info = snd_soc_info_volsw, \
 276	.get = xhandler_get, .put = xhandler_put, \
 277	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 278					    xmax, xinvert) }
 279#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
 280	 xhandler_get, xhandler_put, tlv_array) \
 281{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 282	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 283		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 284	.tlv.p = (tlv_array), \
 285	.info = snd_soc_info_volsw, \
 286	.get = xhandler_get, .put = xhandler_put, \
 287	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
 288#define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \
 289				 xhandler_get, xhandler_put, tlv_array) \
 290{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
 291	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 292		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 293	.tlv.p = (tlv_array), \
 294	.info = snd_soc_info_volsw_range, \
 295	.get = xhandler_get, .put = xhandler_put, \
 296	.private_value = (unsigned long)&(struct soc_mixer_control) \
 297		{.reg = xreg, .rreg = xreg, .shift = xshift, \
 298		 .rshift = xshift, .min = xmin, .max = xmax, \
 299		 .invert = xinvert} }
 300#define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
 301	 xhandler_get, xhandler_put, tlv_array) \
 302{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 303	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 304		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 305	.tlv.p = (tlv_array), \
 306	.info = snd_soc_info_volsw, \
 307	.get = xhandler_get, .put = xhandler_put, \
 308	.private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
 309					  xmax, xinvert, 0) }
 310#define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
 311	 xhandler_get, xhandler_put, tlv_array) \
 312{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 313	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 314		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 315	.tlv.p = (tlv_array), \
 316	.info = snd_soc_info_volsw, \
 317	.get = xhandler_get, .put = xhandler_put, \
 318	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 319					    xmax, xinvert) }
 320#define SOC_DOUBLE_R_S_EXT_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, \
 321			       xsign_bit, xinvert, xhandler_get, xhandler_put, \
 322			       tlv_array) \
 323{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 324	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
 325		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
 326	.tlv.p = (tlv_array), \
 327	.info = snd_soc_info_volsw, \
 328	.get = xhandler_get, .put = xhandler_put, \
 329	.private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
 330					      xmin, xmax, xsign_bit, xinvert) }
 331#define SOC_SINGLE_S_EXT_TLV(xname, xreg, xshift, xmin, xmax, \
 332			     xsign_bit, xinvert, xhandler_get, xhandler_put, \
 333			     tlv_array) \
 334	SOC_DOUBLE_R_S_EXT_TLV(xname, xreg, xreg, xshift, xmin, xmax, \
 335			       xsign_bit, xinvert, xhandler_get, xhandler_put, \
 336			       tlv_array)
 337#define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
 338{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 339	.info = snd_soc_info_bool_ext, \
 340	.get = xhandler_get, .put = xhandler_put, \
 341	.private_value = xdata }
 342#define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
 343{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 344	.info = snd_soc_info_enum_double, \
 345	.get = xhandler_get, .put = xhandler_put, \
 346	.private_value = (unsigned long)&xenum }
 347#define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
 348	SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
 349
 350#define SND_SOC_BYTES(xname, xbase, xregs)		      \
 351{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
 352	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
 353	.put = snd_soc_bytes_put, .private_value =	      \
 354		((unsigned long)&(struct soc_bytes)           \
 355		{.base = xbase, .num_regs = xregs }) }
 356#define SND_SOC_BYTES_E(xname, xbase, xregs, xhandler_get, xhandler_put) \
 357{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 358	.info = snd_soc_bytes_info, .get = xhandler_get, \
 359	.put = xhandler_put, .private_value = \
 360		((unsigned long)&(struct soc_bytes) \
 361		{.base = xbase, .num_regs = xregs }) }
 362
 363#define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask)	      \
 364{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
 365	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
 366	.put = snd_soc_bytes_put, .private_value =	      \
 367		((unsigned long)&(struct soc_bytes)           \
 368		{.base = xbase, .num_regs = xregs,	      \
 369		 .mask = xmask }) }
 370
 371/*
 372 * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
 373 */
 374#define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
 375{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 376	.info = snd_soc_bytes_info_ext, \
 377	.get = xhandler_get, .put = xhandler_put, \
 378	.private_value = (unsigned long)&(struct soc_bytes_ext) \
 379		{.max = xcount} }
 380#define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
 381{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 382	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
 383		  SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
 384	.tlv.c = (snd_soc_bytes_tlv_callback), \
 385	.info = snd_soc_bytes_info_ext, \
 386	.private_value = (unsigned long)&(struct soc_bytes_ext) \
 387		{.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
 388#define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
 389		xmin, xmax, xinvert) \
 390{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 391	.info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
 392	.put = snd_soc_put_xr_sx, \
 393	.private_value = (unsigned long)&(struct soc_mreg_control) \
 394		{.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
 395		.invert = xinvert, .min = xmin, .max = xmax} }
 396
 397#define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
 398	SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
 399		snd_soc_get_strobe, snd_soc_put_strobe)
 400
 401/*
 402 * Simplified versions of above macros, declaring a struct and calculating
 403 * ARRAY_SIZE internally
 404 */
 405#define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
 406	const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
 407						ARRAY_SIZE(xtexts), xtexts)
 408#define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
 409	SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
 410#define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
 411	const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
 412#define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
 413	const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
 414							ARRAY_SIZE(xtexts), xtexts, xvalues)
 415#define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
 416	SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
 417
 418#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
 419	const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
 420		xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
 421
 422#define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
 423	const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
 424
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 425struct snd_jack;
 426struct snd_soc_card;
 427struct snd_soc_pcm_stream;
 428struct snd_soc_ops;
 429struct snd_soc_pcm_runtime;
 430struct snd_soc_dai;
 431struct snd_soc_dai_driver;
 432struct snd_soc_dai_link;
 433struct snd_soc_component;
 434struct snd_soc_component_driver;
 435struct soc_enum;
 436struct snd_soc_jack;
 437struct snd_soc_jack_zone;
 438struct snd_soc_jack_pin;
 439
 440#include <sound/soc-dapm.h>
 441#include <sound/soc-dpcm.h>
 442#include <sound/soc-topology.h>
 443
 444struct snd_soc_jack_gpio;
 445
 
 
 446enum snd_soc_pcm_subclass {
 447	SND_SOC_PCM_CLASS_PCM	= 0,
 448	SND_SOC_PCM_CLASS_BE	= 1,
 449};
 450
 
 
 
 
 
 451int snd_soc_register_card(struct snd_soc_card *card);
 452void snd_soc_unregister_card(struct snd_soc_card *card);
 453int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
 454#ifdef CONFIG_PM_SLEEP
 455int snd_soc_suspend(struct device *dev);
 456int snd_soc_resume(struct device *dev);
 457#else
 458static inline int snd_soc_suspend(struct device *dev)
 459{
 460	return 0;
 461}
 462
 463static inline int snd_soc_resume(struct device *dev)
 464{
 465	return 0;
 466}
 467#endif
 468int snd_soc_poweroff(struct device *dev);
 469int snd_soc_component_initialize(struct snd_soc_component *component,
 470				 const struct snd_soc_component_driver *driver,
 471				 struct device *dev);
 472int snd_soc_add_component(struct snd_soc_component *component,
 473			  struct snd_soc_dai_driver *dai_drv,
 474			  int num_dai);
 475int snd_soc_register_component(struct device *dev,
 476			 const struct snd_soc_component_driver *component_driver,
 477			 struct snd_soc_dai_driver *dai_drv, int num_dai);
 478int devm_snd_soc_register_component(struct device *dev,
 479			 const struct snd_soc_component_driver *component_driver,
 480			 struct snd_soc_dai_driver *dai_drv, int num_dai);
 481void snd_soc_unregister_component(struct device *dev);
 482void snd_soc_unregister_component_by_driver(struct device *dev,
 483			 const struct snd_soc_component_driver *component_driver);
 484struct snd_soc_component *snd_soc_lookup_component_nolocked(struct device *dev,
 485							    const char *driver_name);
 486struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
 487						   const char *driver_name);
 488
 489int soc_new_pcm(struct snd_soc_pcm_runtime *rtd);
 490#ifdef CONFIG_SND_SOC_COMPRESS
 491int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd);
 492#else
 493static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd)
 494{
 495	return 0;
 496}
 497#endif
 498
 499void snd_soc_disconnect_sync(struct device *dev);
 500
 
 
 501struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
 502				struct snd_soc_dai_link *dai_link);
 503
 504bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
 505
 506void snd_soc_runtime_action(struct snd_soc_pcm_runtime *rtd,
 507			    int stream, int action);
 508static inline void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd,
 509				     int stream)
 510{
 511	snd_soc_runtime_action(rtd, stream, 1);
 512}
 513static inline void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd,
 514				       int stream)
 515{
 516	snd_soc_runtime_action(rtd, stream, -1);
 517}
 518
 519int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd,
 520			    struct snd_pcm_hardware *hw, int stream);
 521
 522int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
 523	unsigned int dai_fmt);
 524
 525#ifdef CONFIG_DMI
 526int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
 527#else
 528static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
 529				       const char *flavour)
 530{
 531	return 0;
 532}
 533#endif
 534
 535/* Utility functions to get clock rates from various things */
 536int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
 537int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params);
 538int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
 539int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *parms);
 540int snd_soc_tdm_params_to_bclk(const struct snd_pcm_hw_params *params,
 541			       int tdm_width, int tdm_slots, int slot_multiple);
 542
 543/* set runtime hw params */
 544static inline int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
 545					       const struct snd_pcm_hardware *hw)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 546{
 547	substream->runtime->hw = *hw;
 
 548
 
 
 
 
 
 549	return 0;
 550}
 551
 
 
 
 
 
 
 552struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
 553struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
 554	unsigned int id, unsigned int id_mask);
 555void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
 556
 557#ifdef CONFIG_SND_SOC_AC97_BUS
 558int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
 559int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 560		struct platform_device *pdev);
 561
 562extern struct snd_ac97_bus_ops *soc_ac97_ops;
 563#else
 564static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 565	struct platform_device *pdev)
 566{
 567	return 0;
 568}
 569
 570static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
 571{
 572	return 0;
 573}
 574#endif
 575
 576/*
 577 *Controls
 578 */
 579struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 580				  void *data, const char *long_name,
 581				  const char *prefix);
 
 
 582int snd_soc_add_component_controls(struct snd_soc_component *component,
 583	const struct snd_kcontrol_new *controls, unsigned int num_controls);
 584int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
 585	const struct snd_kcontrol_new *controls, int num_controls);
 586int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
 587	const struct snd_kcontrol_new *controls, int num_controls);
 588int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
 589	struct snd_ctl_elem_info *uinfo);
 590int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
 591	struct snd_ctl_elem_value *ucontrol);
 592int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
 593	struct snd_ctl_elem_value *ucontrol);
 594int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
 595	struct snd_ctl_elem_info *uinfo);
 596int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
 597			  struct snd_ctl_elem_info *uinfo);
 598#define snd_soc_info_bool_ext		snd_ctl_boolean_mono_info
 599int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
 600	struct snd_ctl_elem_value *ucontrol);
 601int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
 602	struct snd_ctl_elem_value *ucontrol);
 603#define snd_soc_get_volsw_2r snd_soc_get_volsw
 604#define snd_soc_put_volsw_2r snd_soc_put_volsw
 605int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
 606	struct snd_ctl_elem_value *ucontrol);
 607int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
 608	struct snd_ctl_elem_value *ucontrol);
 609int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
 610	struct snd_ctl_elem_info *uinfo);
 611int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 612	struct snd_ctl_elem_value *ucontrol);
 613int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
 614	struct snd_ctl_elem_value *ucontrol);
 615int snd_soc_limit_volume(struct snd_soc_card *card,
 616	const char *name, int max);
 617int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
 618		       struct snd_ctl_elem_info *uinfo);
 619int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
 620		      struct snd_ctl_elem_value *ucontrol);
 621int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
 622		      struct snd_ctl_elem_value *ucontrol);
 623int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
 624	struct snd_ctl_elem_info *ucontrol);
 625int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
 626	unsigned int size, unsigned int __user *tlv);
 627int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
 628	struct snd_ctl_elem_info *uinfo);
 629int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
 630	struct snd_ctl_elem_value *ucontrol);
 631int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
 632	struct snd_ctl_elem_value *ucontrol);
 633int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
 634	struct snd_ctl_elem_value *ucontrol);
 635int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
 636	struct snd_ctl_elem_value *ucontrol);
 637
 638enum snd_soc_trigger_order {
 639						/* start			stop		     */
 640	SND_SOC_TRIGGER_ORDER_DEFAULT	= 0,	/* Link->Component->DAI		DAI->Component->Link */
 641	SND_SOC_TRIGGER_ORDER_LDC,		/* Link->DAI->Component		Component->DAI->Link */
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 642
 643	SND_SOC_TRIGGER_ORDER_MAX,
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 644};
 645
 646/* SoC PCM stream information */
 647struct snd_soc_pcm_stream {
 648	const char *stream_name;
 649	u64 formats;			/* SNDRV_PCM_FMTBIT_* */
 650	u32 subformats;			/* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */
 651	unsigned int rates;		/* SNDRV_PCM_RATE_* */
 652	unsigned int rate_min;		/* min rate */
 653	unsigned int rate_max;		/* max rate */
 654	unsigned int channels_min;	/* min channels */
 655	unsigned int channels_max;	/* max channels */
 656	unsigned int sig_bits;		/* number of bits of content */
 657};
 658
 659/* SoC audio ops */
 660struct snd_soc_ops {
 661	int (*startup)(struct snd_pcm_substream *);
 662	void (*shutdown)(struct snd_pcm_substream *);
 663	int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
 664	int (*hw_free)(struct snd_pcm_substream *);
 665	int (*prepare)(struct snd_pcm_substream *);
 666	int (*trigger)(struct snd_pcm_substream *, int);
 667};
 668
 669struct snd_soc_compr_ops {
 670	int (*startup)(struct snd_compr_stream *);
 671	void (*shutdown)(struct snd_compr_stream *);
 672	int (*set_params)(struct snd_compr_stream *);
 
 673};
 674
 
 
 
 
 675struct snd_soc_component*
 676snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
 677		       const char *driver_name);
 
 
 
 
 678
 679struct snd_soc_dai_link_component {
 680	const char *name;
 681	struct device_node *of_node;
 682	const char *dai_name;
 683	const struct of_phandle_args *dai_args;
 684};
 685
 686/*
 687 * [dai_link->ch_maps Image sample]
 688 *
 689 *-------------------------
 690 * CPU0 <---> Codec0
 691 *
 692 * ch-map[0].cpu = 0	ch-map[0].codec = 0
 693 *
 694 *-------------------------
 695 * CPU0 <---> Codec0
 696 * CPU1 <---> Codec1
 697 * CPU2 <---> Codec2
 698 *
 699 * ch-map[0].cpu = 0	ch-map[0].codec = 0
 700 * ch-map[1].cpu = 1	ch-map[1].codec = 1
 701 * ch-map[2].cpu = 2	ch-map[2].codec = 2
 702 *
 703 *-------------------------
 704 * CPU0 <---> Codec0
 705 * CPU1 <-+-> Codec1
 706 * CPU2 <-/
 707 *
 708 * ch-map[0].cpu = 0	ch-map[0].codec = 0
 709 * ch-map[1].cpu = 1	ch-map[1].codec = 1
 710 * ch-map[2].cpu = 2	ch-map[2].codec = 1
 711 *
 712 *-------------------------
 713 * CPU0 <---> Codec0
 714 * CPU1 <-+-> Codec1
 715 *	  \-> Codec2
 716 *
 717 * ch-map[0].cpu = 0	ch-map[0].codec = 0
 718 * ch-map[1].cpu = 1	ch-map[1].codec = 1
 719 * ch-map[2].cpu = 1	ch-map[2].codec = 2
 720 *
 721 */
 722struct snd_soc_dai_link_ch_map {
 723	unsigned int cpu;
 724	unsigned int codec;
 725	unsigned int ch_mask;
 726};
 727
 728struct snd_soc_dai_link {
 729	/* config - must be set by machine driver */
 730	const char *name;			/* Codec name */
 731	const char *stream_name;		/* Stream name */
 732
 733	/*
 734	 * You MAY specify the link's CPU-side device, either by device name,
 735	 * or by DT/OF node, but not both. If this information is omitted,
 736	 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
 737	 * must be globally unique. These fields are currently typically used
 738	 * only for codec to codec links, or systems using device tree.
 739	 */
 740	/*
 741	 * You MAY specify the DAI name of the CPU DAI. If this information is
 742	 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
 743	 * only, which only works well when that device exposes a single DAI.
 744	 */
 745	struct snd_soc_dai_link_component *cpus;
 746	unsigned int num_cpus;
 747
 748	/*
 749	 * You MUST specify the link's codec, either by device name, or by
 750	 * DT/OF node, but not both.
 751	 */
 752	/* You MUST specify the DAI name within the codec */
 753	struct snd_soc_dai_link_component *codecs;
 754	unsigned int num_codecs;
 755
 756	/* num_ch_maps = max(num_cpu, num_codecs) */
 757	struct snd_soc_dai_link_ch_map *ch_maps;
 758
 759	/*
 760	 * You MAY specify the link's platform/PCM/DMA driver, either by
 761	 * device name, or by DT/OF node, but not both. Some forms of link
 762	 * do not need a platform. In such case, platforms are not mandatory.
 763	 */
 764	struct snd_soc_dai_link_component *platforms;
 765	unsigned int num_platforms;
 766
 767	int id;	/* optional ID for machine driver link identification */
 768
 769	/*
 770	 * for Codec2Codec
 771	 */
 772	const struct snd_soc_pcm_stream *c2c_params;
 773	unsigned int num_c2c_params;
 774
 775	unsigned int dai_fmt;           /* format to set on init */
 776
 777	enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
 778
 779	/* codec/machine specific init - e.g. add machine controls */
 780	int (*init)(struct snd_soc_pcm_runtime *rtd);
 781
 782	/* codec/machine specific exit - dual of init() */
 783	void (*exit)(struct snd_soc_pcm_runtime *rtd);
 784
 785	/* optional hw_params re-writing for BE and FE sync */
 786	int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
 787			struct snd_pcm_hw_params *params);
 788
 789	/* machine stream operations */
 790	const struct snd_soc_ops *ops;
 791	const struct snd_soc_compr_ops *compr_ops;
 792
 793	/*
 794	 * soc_pcm_trigger() start/stop sequence.
 795	 * see also
 796	 *	snd_soc_component_driver
 797	 *	soc_pcm_trigger()
 798	 */
 799	enum snd_soc_trigger_order trigger_start;
 800	enum snd_soc_trigger_order trigger_stop;
 801
 802	/* Mark this pcm with non atomic ops */
 803	unsigned int nonatomic:1;
 804
 805	/* For unidirectional dai links */
 806	unsigned int playback_only:1;
 807	unsigned int capture_only:1;
 808
 809	/* Keep DAI active over suspend */
 810	unsigned int ignore_suspend:1;
 811
 812	/* Symmetry requirements */
 813	unsigned int symmetric_rate:1;
 814	unsigned int symmetric_channels:1;
 815	unsigned int symmetric_sample_bits:1;
 816
 817	/* Do not create a PCM for this DAI link (Backend link) */
 818	unsigned int no_pcm:1;
 819
 820	/* This DAI link can route to other DAI links at runtime (Frontend)*/
 821	unsigned int dynamic:1;
 822
 
 
 
 
 823	/* DPCM used FE & BE merged format */
 824	unsigned int dpcm_merged_format:1;
 825	/* DPCM used FE & BE merged channel */
 826	unsigned int dpcm_merged_chan:1;
 827	/* DPCM used FE & BE merged rate */
 828	unsigned int dpcm_merged_rate:1;
 829
 830	/* pmdown_time is ignored at stop */
 831	unsigned int ignore_pmdown_time:1;
 832
 833	/* Do not create a PCM for this DAI link (Backend link) */
 834	unsigned int ignore:1;
 835
 836#ifdef CONFIG_SND_SOC_TOPOLOGY
 837	struct snd_soc_dobj dobj; /* For topology */
 838#endif
 839};
 840
 841static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link)
 842{
 843	return max(link->num_cpus, link->num_codecs);
 844}
 845
 846static inline struct snd_soc_dai_link_component*
 847snd_soc_link_to_cpu(struct snd_soc_dai_link *link, int n) {
 848	return &(link)->cpus[n];
 849}
 850
 851static inline struct snd_soc_dai_link_component*
 852snd_soc_link_to_codec(struct snd_soc_dai_link *link, int n) {
 853	return &(link)->codecs[n];
 854}
 855
 856static inline struct snd_soc_dai_link_component*
 857snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) {
 858	return &(link)->platforms[n];
 859}
 860
 861#define for_each_link_codecs(link, i, codec)				\
 862	for ((i) = 0;							\
 863	     ((i) < link->num_codecs) &&				\
 864		     ((codec) = snd_soc_link_to_codec(link, i));		\
 865	     (i)++)
 866
 867#define for_each_link_platforms(link, i, platform)			\
 868	for ((i) = 0;							\
 869	     ((i) < link->num_platforms) &&				\
 870		     ((platform) = snd_soc_link_to_platform(link, i));	\
 871	     (i)++)
 872
 873#define for_each_link_cpus(link, i, cpu)				\
 874	for ((i) = 0;							\
 875	     ((i) < link->num_cpus) &&					\
 876		     ((cpu) = snd_soc_link_to_cpu(link, i));		\
 877	     (i)++)
 878
 879#define for_each_link_ch_maps(link, i, ch_map)			\
 880	for ((i) = 0;						\
 881	     ((i) < snd_soc_link_num_ch_map(link) &&		\
 882		      ((ch_map) = link->ch_maps + i));		\
 883	     (i)++)
 884
 885/*
 886 * Sample 1 : Single CPU/Codec/Platform
 887 *
 888 * SND_SOC_DAILINK_DEFS(test,
 889 *	DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")),
 890 *	DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")),
 891 *	DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
 892 *
 893 * struct snd_soc_dai_link link = {
 894 *	...
 895 *	SND_SOC_DAILINK_REG(test),
 896 * };
 897 *
 898 * Sample 2 : Multi CPU/Codec, no Platform
 899 *
 900 * SND_SOC_DAILINK_DEFS(test,
 901 *	DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
 902 *			   COMP_CPU("cpu_dai2")),
 903 *	DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
 904 *			   COMP_CODEC("codec2", "codec_dai2")));
 905 *
 906 * struct snd_soc_dai_link link = {
 907 *	...
 908 *	SND_SOC_DAILINK_REG(test),
 909 * };
 910 *
 911 * Sample 3 : Define each CPU/Codec/Platform manually
 912 *
 913 * SND_SOC_DAILINK_DEF(test_cpu,
 914 *		DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"),
 915 *				   COMP_CPU("cpu_dai2")));
 916 * SND_SOC_DAILINK_DEF(test_codec,
 917 *		DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"),
 918 *				   COMP_CODEC("codec2", "codec_dai2")));
 919 * SND_SOC_DAILINK_DEF(test_platform,
 920 *		DAILINK_COMP_ARRAY(COMP_PLATFORM("platform")));
 921 *
 922 * struct snd_soc_dai_link link = {
 923 *	...
 924 *	SND_SOC_DAILINK_REG(test_cpu,
 925 *			    test_codec,
 926 *			    test_platform),
 927 * };
 928 *
 929 * Sample 4 : Sample3 without platform
 930 *
 931 * struct snd_soc_dai_link link = {
 932 *	...
 933 *	SND_SOC_DAILINK_REG(test_cpu,
 934 *			    test_codec);
 935 * };
 936 */
 937
 938#define SND_SOC_DAILINK_REG1(name)	 SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms)
 939#define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component)
 940#define SND_SOC_DAILINK_REG3(cpu, codec, platform)	\
 941	.cpus		= cpu,				\
 942	.num_cpus	= ARRAY_SIZE(cpu),		\
 943	.codecs		= codec,			\
 944	.num_codecs	= ARRAY_SIZE(codec),		\
 945	.platforms	= platform,			\
 946	.num_platforms	= ARRAY_SIZE(platform)
 947
 
 948#define SND_SOC_DAILINK_REG(...) \
 949	CONCATENATE(SND_SOC_DAILINK_REG, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__)
 
 
 
 950
 951#define SND_SOC_DAILINK_DEF(name, def...)		\
 952	static struct snd_soc_dai_link_component name[]	= { def }
 953
 954#define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...)	\
 955	SND_SOC_DAILINK_DEF(name##_cpus, cpu);			\
 956	SND_SOC_DAILINK_DEF(name##_codecs, codec);		\
 957	SND_SOC_DAILINK_DEF(name##_platforms, platform)
 958
 959#define DAILINK_COMP_ARRAY(param...)	param
 960#define COMP_EMPTY()			{ }
 961#define COMP_CPU(_dai)			{ .dai_name = _dai, }
 962#define COMP_CODEC(_name, _dai)		{ .name = _name, .dai_name = _dai, }
 963#define COMP_PLATFORM(_name)		{ .name = _name }
 964#define COMP_AUX(_name)			{ .name = _name }
 965#define COMP_CODEC_CONF(_name)		{ .name = _name }
 966#define COMP_DUMMY()			/* see snd_soc_fill_dummy_dai() */
 967
 968extern struct snd_soc_dai_link_component null_dailink_component[0];
 969extern struct snd_soc_dai_link_component snd_soc_dummy_dlc;
 970
 971
 972struct snd_soc_codec_conf {
 973	/*
 974	 * specify device either by device name, or by
 975	 * DT/OF node, but not both.
 976	 */
 977	struct snd_soc_dai_link_component dlc;
 
 978
 979	/*
 980	 * optional map of kcontrol, widget and path name prefixes that are
 981	 * associated per device
 982	 */
 983	const char *name_prefix;
 984};
 985
 986struct snd_soc_aux_dev {
 987	/*
 988	 * specify multi-codec either by device name, or by
 989	 * DT/OF node, but not both.
 990	 */
 991	struct snd_soc_dai_link_component dlc;
 992
 993	/* codec/machine specific init - e.g. add machine controls */
 994	int (*init)(struct snd_soc_component *component);
 995};
 996
 997/* SoC card */
 998struct snd_soc_card {
 999	const char *name;
1000	const char *long_name;
1001	const char *driver_name;
1002	const char *components;
1003#ifdef CONFIG_DMI
1004	char dmi_longname[80];
1005#endif /* CONFIG_DMI */
1006
1007#ifdef CONFIG_PCI
1008	/*
1009	 * PCI does not define 0 as invalid, so pci_subsystem_set indicates
1010	 * whether a value has been written to these fields.
1011	 */
1012	unsigned short pci_subsystem_vendor;
1013	unsigned short pci_subsystem_device;
1014	bool pci_subsystem_set;
1015#endif /* CONFIG_PCI */
1016
1017	char topology_shortname[32];
1018
1019	struct device *dev;
1020	struct snd_card *snd_card;
1021	struct module *owner;
1022
1023	struct mutex mutex;
1024	struct mutex dapm_mutex;
1025
1026	/* Mutex for PCM operations */
1027	struct mutex pcm_mutex;
1028	enum snd_soc_pcm_subclass pcm_subclass;
1029
 
 
 
 
 
1030	int (*probe)(struct snd_soc_card *card);
1031	int (*late_probe)(struct snd_soc_card *card);
1032	void (*fixup_controls)(struct snd_soc_card *card);
1033	int (*remove)(struct snd_soc_card *card);
1034
1035	/* the pre and post PM functions are used to do any PM work before and
1036	 * after the codec and DAI's do any PM work. */
1037	int (*suspend_pre)(struct snd_soc_card *card);
1038	int (*suspend_post)(struct snd_soc_card *card);
1039	int (*resume_pre)(struct snd_soc_card *card);
1040	int (*resume_post)(struct snd_soc_card *card);
1041
1042	/* callbacks */
1043	int (*set_bias_level)(struct snd_soc_card *,
1044			      struct snd_soc_dapm_context *dapm,
1045			      enum snd_soc_bias_level level);
1046	int (*set_bias_level_post)(struct snd_soc_card *,
1047				   struct snd_soc_dapm_context *dapm,
1048				   enum snd_soc_bias_level level);
1049
1050	int (*add_dai_link)(struct snd_soc_card *,
1051			    struct snd_soc_dai_link *link);
1052	void (*remove_dai_link)(struct snd_soc_card *,
1053			    struct snd_soc_dai_link *link);
1054
1055	long pmdown_time;
1056
1057	/* CPU <--> Codec DAI links  */
1058	struct snd_soc_dai_link *dai_link;  /* predefined links only */
1059	int num_links;  /* predefined links only */
 
1060
1061	struct list_head rtd_list;
1062	int num_rtd;
1063
1064	/* optional codec specific configuration */
1065	struct snd_soc_codec_conf *codec_conf;
1066	int num_configs;
1067
1068	/*
1069	 * optional auxiliary devices such as amplifiers or codecs with DAI
1070	 * link unused
1071	 */
1072	struct snd_soc_aux_dev *aux_dev;
1073	int num_aux_devs;
1074	struct list_head aux_comp_list;
1075
1076	const struct snd_kcontrol_new *controls;
1077	int num_controls;
1078
1079	/*
1080	 * Card-specific routes and widgets.
1081	 * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
1082	 */
1083	const struct snd_soc_dapm_widget *dapm_widgets;
1084	int num_dapm_widgets;
1085	const struct snd_soc_dapm_route *dapm_routes;
1086	int num_dapm_routes;
1087	const struct snd_soc_dapm_widget *of_dapm_widgets;
1088	int num_of_dapm_widgets;
1089	const struct snd_soc_dapm_route *of_dapm_routes;
1090	int num_of_dapm_routes;
 
1091
1092	/* lists of probed devices belonging to this card */
1093	struct list_head component_dev_list;
1094	struct list_head list;
1095
1096	struct list_head widgets;
1097	struct list_head paths;
1098	struct list_head dapm_list;
1099	struct list_head dapm_dirty;
1100
1101	/* attached dynamic objects */
1102	struct list_head dobj_list;
1103
1104	/* Generic DAPM context for the card */
1105	struct snd_soc_dapm_context dapm;
1106	struct snd_soc_dapm_stats dapm_stats;
1107	struct snd_soc_dapm_update *update;
1108
1109#ifdef CONFIG_DEBUG_FS
1110	struct dentry *debugfs_card_root;
1111#endif
1112#ifdef CONFIG_PM_SLEEP
1113	struct work_struct deferred_resume_work;
1114#endif
1115	u32 pop_time;
1116
1117	/* bit field */
1118	unsigned int instantiated:1;
1119	unsigned int topology_shortname_created:1;
1120	unsigned int fully_routed:1;
1121	unsigned int disable_route_checks:1;
1122	unsigned int probed:1;
1123	unsigned int component_chaining:1;
1124
1125	void *drvdata;
1126};
1127#define for_each_card_prelinks(card, i, link)				\
1128	for ((i) = 0;							\
1129	     ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \
1130	     (i)++)
1131#define for_each_card_pre_auxs(card, i, aux)				\
1132	for ((i) = 0;							\
1133	     ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \
1134	     (i)++)
1135
 
 
 
 
 
1136#define for_each_card_rtds(card, rtd)			\
1137	list_for_each_entry(rtd, &(card)->rtd_list, list)
1138#define for_each_card_rtds_safe(card, rtd, _rtd)	\
1139	list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
1140
1141#define for_each_card_auxs(card, component)			\
1142	list_for_each_entry(component, &card->aux_comp_list, card_aux_list)
1143#define for_each_card_auxs_safe(card, component, _comp)	\
1144	list_for_each_entry_safe(component, _comp,	\
1145				 &card->aux_comp_list, card_aux_list)
1146
1147#define for_each_card_components(card, component)			\
1148	list_for_each_entry(component, &(card)->component_dev_list, card_list)
1149
1150#define for_each_card_dapms(card, dapm)					\
1151	list_for_each_entry(dapm, &card->dapm_list, list)
1152
1153#define for_each_card_widgets(card, w)\
1154	list_for_each_entry(w, &card->widgets, list)
1155#define for_each_card_widgets_safe(card, w, _w)	\
1156	list_for_each_entry_safe(w, _w, &card->widgets, list)
1157
1158
1159static inline int snd_soc_card_is_instantiated(struct snd_soc_card *card)
1160{
1161	return card && card->instantiated;
1162}
1163
1164/* SoC machine DAI configuration, glues a codec and cpu DAI together */
1165struct snd_soc_pcm_runtime {
1166	struct device *dev;
1167	struct snd_soc_card *card;
1168	struct snd_soc_dai_link *dai_link;
1169	struct snd_pcm_ops ops;
1170
1171	unsigned int c2c_params_select; /* currently selected c2c_param for dai link */
1172
1173	/* Dynamic PCM BE runtime data */
1174	struct snd_soc_dpcm_runtime dpcm[SNDRV_PCM_STREAM_LAST + 1];
1175	struct snd_soc_dapm_widget *c2c_widget[SNDRV_PCM_STREAM_LAST + 1];
1176
1177	long pmdown_time;
1178
1179	/* runtime devices */
1180	struct snd_pcm *pcm;
1181	struct snd_compr *compr;
 
 
1182
1183	/*
1184	 * dais = cpu_dai + codec_dai
1185	 * see
1186	 *	soc_new_pcm_runtime()
1187	 *	snd_soc_rtd_to_cpu()
1188	 *	snd_soc_rtd_to_codec()
1189	 */
1190	struct snd_soc_dai **dais;
1191
1192	struct delayed_work delayed_work;
1193	void (*close_delayed_work_func)(struct snd_soc_pcm_runtime *rtd);
1194#ifdef CONFIG_DEBUG_FS
1195	struct dentry *debugfs_dpcm_root;
1196#endif
1197
1198	unsigned int id; /* 0-based and monotonic increasing */
1199	struct list_head list; /* rtd list of the soc card */
1200
1201	/* function mark */
1202	struct snd_pcm_substream *mark_startup;
1203	struct snd_pcm_substream *mark_hw_params;
1204	struct snd_pcm_substream *mark_trigger;
1205	struct snd_compr_stream  *mark_compr_startup;
1206
1207	/* bit field */
 
1208	unsigned int pop_wait:1;
1209	unsigned int fe_compr:1; /* for Dynamic PCM */
1210	unsigned int initialized:1;
1211
1212	/* CPU/Codec/Platform */
1213	int num_components;
1214	struct snd_soc_component *components[] __counted_by(num_components);
1215};
1216
1217/* see soc_new_pcm_runtime()  */
1218#define snd_soc_rtd_to_cpu(rtd, n)   (rtd)->dais[n]
1219#define snd_soc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->dai_link->num_cpus]
1220
1221static inline struct snd_soc_pcm_runtime *
1222snd_soc_substream_to_rtd(const struct snd_pcm_substream *substream)
1223{
1224	return snd_pcm_substream_chip(substream);
1225}
1226
1227#define for_each_rtd_components(rtd, i, component)			\
1228	for ((i) = 0, component = NULL;					\
1229	     ((i) < rtd->num_components) && ((component) = rtd->components[i]);\
1230	     (i)++)
1231#define for_each_rtd_cpu_dais(rtd, i, dai)				\
1232	for ((i) = 0;							\
1233	     ((i) < rtd->dai_link->num_cpus) && ((dai) = snd_soc_rtd_to_cpu(rtd, i)); \
1234	     (i)++)
1235#define for_each_rtd_codec_dais(rtd, i, dai)				\
1236	for ((i) = 0;							\
1237	     ((i) < rtd->dai_link->num_codecs) && ((dai) = snd_soc_rtd_to_codec(rtd, i)); \
1238	     (i)++)
1239#define for_each_rtd_dais(rtd, i, dai)					\
1240	for ((i) = 0;							\
1241	     ((i) < (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs) &&	\
1242		     ((dai) = (rtd)->dais[i]);				\
1243	     (i)++)
1244#define for_each_rtd_dais_reverse(rtd, i, dai)					\
1245	for ((i) = (rtd)->dai_link->num_cpus + (rtd)->dai_link->num_codecs - 1;	\
1246	     (i) >= 0 && ((dai) = (rtd)->dais[i]);				\
1247	     (i)--)
1248#define for_each_rtd_ch_maps(rtd, i, ch_maps) for_each_link_ch_maps(rtd->dai_link, i, ch_maps)
1249
1250void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd);
1251
1252/* mixer control */
1253struct soc_mixer_control {
1254	int min, max, platform_max;
1255	int reg, rreg;
1256	unsigned int shift, rshift;
1257	unsigned int sign_bit;
1258	unsigned int invert:1;
1259	unsigned int autodisable:1;
1260#ifdef CONFIG_SND_SOC_TOPOLOGY
1261	struct snd_soc_dobj dobj;
1262#endif
1263};
1264
1265struct soc_bytes {
1266	int base;
1267	int num_regs;
1268	u32 mask;
1269};
1270
1271struct soc_bytes_ext {
1272	int max;
1273#ifdef CONFIG_SND_SOC_TOPOLOGY
1274	struct snd_soc_dobj dobj;
1275#endif
1276	/* used for TLV byte control */
1277	int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
1278			unsigned int size);
1279	int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
1280			unsigned int size);
1281};
1282
1283/* multi register control */
1284struct soc_mreg_control {
1285	long min, max;
1286	unsigned int regbase, regcount, nbits, invert;
1287};
1288
1289/* enumerated kcontrol */
1290struct soc_enum {
1291	int reg;
1292	unsigned char shift_l;
1293	unsigned char shift_r;
1294	unsigned int items;
1295	unsigned int mask;
1296	const char * const *texts;
1297	const unsigned int *values;
1298	unsigned int autodisable:1;
1299#ifdef CONFIG_SND_SOC_TOPOLOGY
1300	struct snd_soc_dobj dobj;
1301#endif
1302};
1303
1304static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc)
 
 
 
 
 
 
 
 
 
 
 
 
 
1305{
1306	if (mc->reg == mc->rreg && mc->shift == mc->rshift)
1307		return false;
1308	/*
1309	 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
1310	 * mc->reg != mc->rreg means that the control is
1311	 * stereo (bits in one register or in two registers)
1312	 */
1313	return true;
1314}
1315
1316static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e,
1317	unsigned int val)
1318{
1319	unsigned int i;
1320
1321	if (!e->values)
1322		return val;
1323
1324	for (i = 0; i < e->items; i++)
1325		if (val == e->values[i])
1326			return i;
1327
1328	return 0;
1329}
1330
1331static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e,
1332	unsigned int item)
1333{
1334	if (!e->values)
1335		return item;
1336
1337	return e->values[item];
1338}
1339
1340/**
1341 * snd_soc_kcontrol_component() - Returns the component that registered the
1342 *  control
1343 * @kcontrol: The control for which to get the component
1344 *
1345 * Note: This function will work correctly if the control has been registered
1346 * for a component. With snd_soc_add_codec_controls() or via table based
1347 * setup for either a CODEC or component driver. Otherwise the behavior is
1348 * undefined.
1349 */
1350static inline struct snd_soc_component *snd_soc_kcontrol_component(
1351	struct snd_kcontrol *kcontrol)
1352{
1353	return snd_kcontrol_chip(kcontrol);
1354}
1355
1356int snd_soc_util_init(void);
1357void snd_soc_util_exit(void);
1358
1359int snd_soc_of_parse_card_name(struct snd_soc_card *card,
1360			       const char *propname);
1361int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
1362					  const char *propname);
1363int snd_soc_of_parse_pin_switches(struct snd_soc_card *card, const char *prop);
1364int snd_soc_of_get_slot_mask(struct device_node *np,
1365			     const char *prop_name,
1366			     unsigned int *mask);
1367int snd_soc_of_parse_tdm_slot(struct device_node *np,
1368			      unsigned int *tx_mask,
1369			      unsigned int *rx_mask,
1370			      unsigned int *slots,
1371			      unsigned int *slot_width);
1372void snd_soc_of_parse_node_prefix(struct device_node *np,
1373				   struct snd_soc_codec_conf *codec_conf,
1374				   struct device_node *of_node,
1375				   const char *propname);
1376static inline
1377void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
1378				   struct snd_soc_codec_conf *codec_conf,
1379				   struct device_node *of_node,
1380				   const char *propname)
1381{
1382	snd_soc_of_parse_node_prefix(card->dev->of_node,
1383				     codec_conf, of_node, propname);
1384}
1385
1386int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
1387				   const char *propname);
1388int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname);
1389
1390unsigned int snd_soc_daifmt_clock_provider_flipped(unsigned int dai_fmt);
1391unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame);
1392
1393unsigned int snd_soc_daifmt_parse_format(struct device_node *np, const char *prefix);
1394unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np,
1395						     const char *prefix,
1396						     struct device_node **bitclkmaster,
1397						     struct device_node **framemaster);
1398#define snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)	\
1399	snd_soc_daifmt_parse_clock_provider_raw(np, prefix, NULL, NULL)
1400#define snd_soc_daifmt_parse_clock_provider_as_phandle			\
1401	snd_soc_daifmt_parse_clock_provider_raw
1402#define snd_soc_daifmt_parse_clock_provider_as_flag(np, prefix)		\
1403	snd_soc_daifmt_clock_provider_from_bitmap(			\
1404		snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix))
1405
1406int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream);
1407int snd_soc_get_dlc(const struct of_phandle_args *args,
1408		    struct snd_soc_dai_link_component *dlc);
1409int snd_soc_of_get_dlc(struct device_node *of_node,
1410		       struct of_phandle_args *args,
1411		       struct snd_soc_dai_link_component *dlc,
1412		       int index);
1413int snd_soc_get_dai_id(struct device_node *ep);
1414int snd_soc_get_dai_name(const struct of_phandle_args *args,
1415			 const char **dai_name);
1416int snd_soc_of_get_dai_name(struct device_node *of_node,
1417			    const char **dai_name, int index);
1418int snd_soc_of_get_dai_link_codecs(struct device *dev,
1419				   struct device_node *of_node,
1420				   struct snd_soc_dai_link *dai_link);
1421void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
1422int snd_soc_of_get_dai_link_cpus(struct device *dev,
1423				 struct device_node *of_node,
1424				 struct snd_soc_dai_link *dai_link);
1425void snd_soc_of_put_dai_link_cpus(struct snd_soc_dai_link *dai_link);
1426
1427int snd_soc_add_pcm_runtimes(struct snd_soc_card *card,
1428			     struct snd_soc_dai_link *dai_link,
1429			     int num_dai_link);
1430void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
1431				struct snd_soc_pcm_runtime *rtd);
1432
1433void snd_soc_dlc_use_cpu_as_platform(struct snd_soc_dai_link_component *platforms,
1434				     struct snd_soc_dai_link_component *cpus);
1435struct of_phandle_args *snd_soc_copy_dai_args(struct device *dev,
1436					      const struct of_phandle_args *args);
1437struct snd_soc_dai *snd_soc_get_dai_via_args(const struct of_phandle_args *dai_args);
1438struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
1439					 struct snd_soc_dai_driver *dai_drv,
1440					 bool legacy_dai_naming);
1441void snd_soc_unregister_dai(struct snd_soc_dai *dai);
1442
1443struct snd_soc_dai *snd_soc_find_dai(
1444	const struct snd_soc_dai_link_component *dlc);
1445struct snd_soc_dai *snd_soc_find_dai_with_mutex(
1446	const struct snd_soc_dai_link_component *dlc);
1447
1448#include <sound/soc-dai.h>
1449
1450static inline
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1451int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
1452					  const char *platform_name)
1453{
1454	struct snd_soc_dai_link *dai_link;
1455	const char *name;
1456	int i;
1457
1458	if (!platform_name) /* nothing to do */
1459		return 0;
1460
1461	/* set platform name for each dailink */
1462	for_each_card_prelinks(card, i, dai_link) {
1463		/* only single platform is supported for now */
1464		if (dai_link->num_platforms != 1)
1465			return -EINVAL;
1466
1467		if (!dai_link->platforms)
1468			return -EINVAL;
1469
1470		name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
1471		if (!name)
1472			return -ENOMEM;
1473
 
 
 
1474		/* only single platform is supported for now */
1475		dai_link->platforms->name = name;
1476	}
1477
1478	return 0;
1479}
1480
1481#ifdef CONFIG_DEBUG_FS
1482extern struct dentry *snd_soc_debugfs_root;
1483#endif
1484
1485extern const struct dev_pm_ops snd_soc_pm_ops;
1486
1487/*
1488 *	DAPM helper functions
1489 */
1490enum snd_soc_dapm_subclass {
1491	SND_SOC_DAPM_CLASS_ROOT		= 0,
1492	SND_SOC_DAPM_CLASS_RUNTIME	= 1,
1493};
1494
1495static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card)
1496{
1497	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT);
1498}
1499
1500static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card)
1501{
1502	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
1503}
1504
1505static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card)
1506{
1507	mutex_unlock(&card->dapm_mutex);
1508}
1509
1510static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card)
1511{
1512	lockdep_assert_held(&card->dapm_mutex);
1513}
1514
1515static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm)
1516{
1517	_snd_soc_dapm_mutex_lock_root_c(dapm->card);
1518}
1519
1520static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm)
1521{
1522	_snd_soc_dapm_mutex_lock_c(dapm->card);
1523}
1524
1525static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm)
1526{
1527	_snd_soc_dapm_mutex_unlock_c(dapm->card);
1528}
1529
1530static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm)
1531{
1532	_snd_soc_dapm_mutex_assert_held_c(dapm->card);
1533}
1534
1535#define snd_soc_dapm_mutex_lock_root(x) _Generic((x),			\
1536	struct snd_soc_card * :		_snd_soc_dapm_mutex_lock_root_c, \
1537	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_lock_root_d)(x)
1538#define snd_soc_dapm_mutex_lock(x) _Generic((x),			\
1539	struct snd_soc_card * :		_snd_soc_dapm_mutex_lock_c,	\
1540	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_lock_d)(x)
1541#define snd_soc_dapm_mutex_unlock(x) _Generic((x),			\
1542	struct snd_soc_card * :		_snd_soc_dapm_mutex_unlock_c,	\
1543	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_unlock_d)(x)
1544#define snd_soc_dapm_mutex_assert_held(x) _Generic((x),			\
1545	struct snd_soc_card * :		_snd_soc_dapm_mutex_assert_held_c, \
1546	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_assert_held_d)(x)
1547
1548/*
1549 *	PCM helper functions
1550 */
1551static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card)
1552{
1553	mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass);
1554}
1555
1556static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card)
1557{
1558	mutex_unlock(&card->pcm_mutex);
1559}
1560
1561static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card)
1562{
1563	lockdep_assert_held(&card->pcm_mutex);
1564}
1565
1566static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd)
1567{
1568	_snd_soc_dpcm_mutex_lock_c(rtd->card);
1569}
1570
1571static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd)
1572{
1573	_snd_soc_dpcm_mutex_unlock_c(rtd->card);
1574}
1575
1576static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd)
1577{
1578	_snd_soc_dpcm_mutex_assert_held_c(rtd->card);
1579}
1580
1581#define snd_soc_dpcm_mutex_lock(x) _Generic((x),			\
1582	 struct snd_soc_card * :	_snd_soc_dpcm_mutex_lock_c,	\
1583	 struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_lock_r)(x)
1584
1585#define snd_soc_dpcm_mutex_unlock(x) _Generic((x),			\
1586	 struct snd_soc_card * :	_snd_soc_dpcm_mutex_unlock_c,	\
1587	 struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_unlock_r)(x)
1588
1589#define snd_soc_dpcm_mutex_assert_held(x) _Generic((x),		\
1590	struct snd_soc_card * :		_snd_soc_dpcm_mutex_assert_held_c, \
1591	struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_assert_held_r)(x)
1592
1593#include <sound/soc-component.h>
1594#include <sound/soc-card.h>
1595#include <sound/soc-jack.h>
1596
1597#endif