soc.h 43.3 KB
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/*
 * linux/sound/soc.h -- ALSA SoC Layer
 *
 * Author:		Liam Girdwood
 * Created:		Aug 11th 2005
 * Copyright:	Wolfson Microelectronics. PLC.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __LINUX_SND_SOC_H
#define __LINUX_SND_SOC_H

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#include <linux/of.h>
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#include <linux/platform_device.h>
#include <linux/types.h>
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#include <linux/notifier.h>
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#include <linux/workqueue.h>
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#include <linux/interrupt.h>
#include <linux/kernel.h>
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#include <linux/regmap.h>
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#include <linux/log2.h>
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#include <sound/core.h>
#include <sound/pcm.h>
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#include <sound/compress_driver.h>
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#include <sound/control.h>
#include <sound/ac97_codec.h>

/*
 * Convenience kcontrol builders
 */
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#define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
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	((unsigned long)&(struct soc_mixer_control) \
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	{.reg = xreg, .rreg = xreg, .shift = shift_left, \
	.rshift = shift_right, .max = xmax, .platform_max = xmax, \
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	.invert = xinvert, .autodisable = xautodisable})
#define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
	SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
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#define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
	((unsigned long)&(struct soc_mixer_control) \
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	{.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
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#define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
	((unsigned long)&(struct soc_mixer_control) \
	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
	.max = xmax, .platform_max = xmax, .invert = xinvert})
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#define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
	((unsigned long)&(struct soc_mixer_control) \
	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
	.max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
	.invert = xinvert})
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#define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
	((unsigned long)&(struct soc_mixer_control) \
	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
	.min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
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#define SOC_SINGLE(xname, reg, shift, max, invert) \
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{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
	.put = snd_soc_put_volsw, \
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	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
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#define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
	.info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
	.put = snd_soc_put_volsw_range, \
	.private_value = (unsigned long)&(struct soc_mixer_control) \
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		{.reg = xreg, .rreg = xreg, .shift = xshift, \
		 .rshift = xshift,  .min = xmin, .max = xmax, \
		 .platform_max = xmax, .invert = xinvert} }
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#define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.tlv.p = (tlv_array), \
	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
	.put = snd_soc_put_volsw, \
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	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
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#define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
	.tlv.p  = (tlv_array),\
	.info = snd_soc_info_volsw, \
	.get = snd_soc_get_volsw_sx,\
	.put = snd_soc_put_volsw_sx, \
	.private_value = (unsigned long)&(struct soc_mixer_control) \
		{.reg = xreg, .rreg = xreg, \
		.shift = xshift, .rshift = xshift, \
		.max = xmax, .min = xmin} }
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#define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.tlv.p = (tlv_array), \
	.info = snd_soc_info_volsw_range, \
	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
	.private_value = (unsigned long)&(struct soc_mixer_control) \
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		{.reg = xreg, .rreg = xreg, .shift = xshift, \
		 .rshift = xshift, .min = xmin, .max = xmax, \
		 .platform_max = xmax, .invert = xinvert} }
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#define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
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{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
	.put = snd_soc_put_volsw, \
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	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
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					  max, invert, 0) }
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#define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
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{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
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	.info = snd_soc_info_volsw, \
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	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
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	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
					    xmax, xinvert) }
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#define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
			   xmax, xinvert)		\
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
	.info = snd_soc_info_volsw_range, \
	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
	.private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
					    xshift, xmin, xmax, xinvert) }
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#define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
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{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.tlv.p = (tlv_array), \
	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
	.put = snd_soc_put_volsw, \
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	.private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
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					  max, invert, 0) }
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#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
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{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.tlv.p = (tlv_array), \
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	.info = snd_soc_info_volsw, \
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	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
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	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
					    xmax, xinvert) }
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#define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
			       xmax, xinvert, tlv_array)		\
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.tlv.p = (tlv_array), \
	.info = snd_soc_info_volsw_range, \
	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
	.private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
					    xshift, xmin, xmax, xinvert) }
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#define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
	.tlv.p  = (tlv_array), \
	.info = snd_soc_info_volsw, \
	.get = snd_soc_get_volsw_sx, \
	.put = snd_soc_put_volsw_sx, \
	.private_value = (unsigned long)&(struct soc_mixer_control) \
		{.reg = xreg, .rreg = xrreg, \
		.shift = xshift, .rshift = xshift, \
		.max = xmax, .min = xmin} }
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#define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.tlv.p = (tlv_array), \
	.info = snd_soc_info_volsw, \
	.get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
	.private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
					    xmin, xmax, xsign_bit, xinvert) }
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#define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
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{	.iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
	.tlv.p  = (tlv_array), \
	.info   = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \
	.put    = snd_soc_put_volsw_s8, \
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	.private_value = (unsigned long)&(struct soc_mixer_control) \
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		{.reg = xreg, .min = xmin, .max = xmax, \
		 .platform_max = xmax} }
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#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
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{	.reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
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	.items = xitems, .texts = xtexts, \
	.mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
#define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
	SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
#define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
{	.items = xitems, .texts = xtexts }
#define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
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{	.reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
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	.mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xnitmes, xtexts, xvalues) \
	SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xnitmes, xtexts, xvalues)
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#define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
	SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
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#define SOC_ENUM(xname, xenum) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
	.info = snd_soc_info_enum_double, \
	.get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
	.private_value = (unsigned long)&xenum }
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#define SOC_VALUE_ENUM(xname, xenum) \
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	SOC_ENUM(xname, xenum)
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#define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
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	 xhandler_get, xhandler_put) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
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	.info = snd_soc_info_volsw, \
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	.get = xhandler_get, .put = xhandler_put, \
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	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
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#define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
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	 xhandler_get, xhandler_put) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
	.info = snd_soc_info_volsw, \
	.get = xhandler_get, .put = xhandler_put, \
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	.private_value = \
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		SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
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#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
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	 xhandler_get, xhandler_put, tlv_array) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.tlv.p = (tlv_array), \
	.info = snd_soc_info_volsw, \
	.get = xhandler_get, .put = xhandler_put, \
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	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
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#define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
	 xhandler_get, xhandler_put, tlv_array) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
	.tlv.p = (tlv_array), \
	.info = snd_soc_info_volsw, \
	.get = xhandler_get, .put = xhandler_put, \
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	.private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
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					  xmax, xinvert, 0) }
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#define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
	 xhandler_get, xhandler_put, tlv_array) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
	.tlv.p = (tlv_array), \
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	.info = snd_soc_info_volsw, \
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	.get = xhandler_get, .put = xhandler_put, \
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	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
					    xmax, xinvert) }
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#define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
	.info = snd_soc_info_bool_ext, \
	.get = xhandler_get, .put = xhandler_put, \
	.private_value = xdata }
#define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
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	.info = snd_soc_info_enum_double, \
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	.get = xhandler_get, .put = xhandler_put, \
	.private_value = (unsigned long)&xenum }

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#define SND_SOC_BYTES(xname, xbase, xregs)		      \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
	.put = snd_soc_bytes_put, .private_value =	      \
		((unsigned long)&(struct soc_bytes)           \
		{.base = xbase, .num_regs = xregs }) }
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#define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask)	      \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
	.put = snd_soc_bytes_put, .private_value =	      \
		((unsigned long)&(struct soc_bytes)           \
		{.base = xbase, .num_regs = xregs,	      \
		 .mask = xmask }) }

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#define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
		xmin, xmax, xinvert) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
	.info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
	.put = snd_soc_put_xr_sx, \
	.private_value = (unsigned long)&(struct soc_mreg_control) \
		{.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
		.invert = xinvert, .min = xmin, .max = xmax} }

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#define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
	SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
		snd_soc_get_strobe, snd_soc_put_strobe)

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/*
 * Simplified versions of above macros, declaring a struct and calculating
 * ARRAY_SIZE internally
 */
#define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
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	const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
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						ARRAY_SIZE(xtexts), xtexts)
#define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
	SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
#define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
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	const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
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#define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
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	const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
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							ARRAY_SIZE(xtexts), xtexts, xvalues)
#define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
	SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
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#define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
	const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
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/*
 * Component probe and remove ordering levels for components with runtime
 * dependencies.
 */
#define SND_SOC_COMP_ORDER_FIRST		-2
#define SND_SOC_COMP_ORDER_EARLY		-1
#define SND_SOC_COMP_ORDER_NORMAL		0
#define SND_SOC_COMP_ORDER_LATE		1
#define SND_SOC_COMP_ORDER_LAST		2

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/*
 * Bias levels
 *
 * @ON:      Bias is fully on for audio playback and capture operations.
 * @PREPARE: Prepare for audio operations. Called before DAPM switching for
 *           stream start and stop operations.
 * @STANDBY: Low power standby state when no playback/capture operations are
 *           in progress. NOTE: The transition time between STANDBY and ON
 *           should be as fast as possible and no longer than 10ms.
 * @OFF:     Power Off. No restrictions on transition times.
 */
enum snd_soc_bias_level {
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	SND_SOC_BIAS_OFF = 0,
	SND_SOC_BIAS_STANDBY = 1,
	SND_SOC_BIAS_PREPARE = 2,
	SND_SOC_BIAS_ON = 3,
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};

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struct device_node;
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struct snd_jack;
struct snd_soc_card;
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struct snd_soc_pcm_stream;
struct snd_soc_ops;
struct snd_soc_pcm_runtime;
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struct snd_soc_dai;
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struct snd_soc_dai_driver;
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struct snd_soc_platform;
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struct snd_soc_dai_link;
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struct snd_soc_platform_driver;
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struct snd_soc_codec;
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struct snd_soc_codec_driver;
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struct snd_soc_component;
struct snd_soc_component_driver;
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struct soc_enum;
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struct snd_soc_jack;
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struct snd_soc_jack_zone;
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struct snd_soc_jack_pin;
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#include <sound/soc-dapm.h>
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#include <sound/soc-dpcm.h>
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struct snd_soc_jack_gpio;
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typedef int (*hw_write_t)(void *,const char* ,int);

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extern struct snd_ac97_bus_ops *soc_ac97_ops;
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enum snd_soc_pcm_subclass {
	SND_SOC_PCM_CLASS_PCM	= 0,
	SND_SOC_PCM_CLASS_BE	= 1,
};

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enum snd_soc_card_subclass {
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	SND_SOC_CARD_CLASS_INIT		= 0,
	SND_SOC_CARD_CLASS_RUNTIME	= 1,
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};

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int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
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			     int source, unsigned int freq, int dir);
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int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
			  unsigned int freq_in, unsigned int freq_out);

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int snd_soc_register_card(struct snd_soc_card *card);
int snd_soc_unregister_card(struct snd_soc_card *card);
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int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
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int snd_soc_suspend(struct device *dev);
int snd_soc_resume(struct device *dev);
int snd_soc_poweroff(struct device *dev);
378
int snd_soc_register_platform(struct device *dev,
379
		const struct snd_soc_platform_driver *platform_drv);
380
void snd_soc_unregister_platform(struct device *dev);
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int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
		const struct snd_soc_platform_driver *platform_drv);
void snd_soc_remove_platform(struct snd_soc_platform *platform);
struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
385
int snd_soc_register_codec(struct device *dev,
386
		const struct snd_soc_codec_driver *codec_drv,
387 388
		struct snd_soc_dai_driver *dai_drv, int num_dai);
void snd_soc_unregister_codec(struct device *dev);
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int snd_soc_register_component(struct device *dev,
			 const struct snd_soc_component_driver *cmpnt_drv,
			 struct snd_soc_dai_driver *dai_drv, int num_dai);
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int devm_snd_soc_register_component(struct device *dev,
			 const struct snd_soc_component_driver *cmpnt_drv,
			 struct snd_soc_dai_driver *dai_drv, int num_dai);
395
void snd_soc_unregister_component(struct device *dev);
396
int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
397
			       struct regmap *regmap);
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int snd_soc_cache_sync(struct snd_soc_codec *codec);
int snd_soc_cache_init(struct snd_soc_codec *codec);
int snd_soc_cache_exit(struct snd_soc_codec *codec);
int snd_soc_cache_write(struct snd_soc_codec *codec,
			unsigned int reg, unsigned int value);
int snd_soc_cache_read(struct snd_soc_codec *codec,
		       unsigned int reg, unsigned int *value);
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int snd_soc_platform_read(struct snd_soc_platform *platform,
					unsigned int reg);
int snd_soc_platform_write(struct snd_soc_platform *platform,
					unsigned int reg, unsigned int val);
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int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
410
int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
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struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
		const char *dai_link, int stream);
struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
		const char *dai_link);

417
bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
418 419
void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
420

421 422 423
/* Utility functions to get clock rates from various things */
int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
424
int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
425 426
int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);

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/* set runtime hw params */
int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
	const struct snd_pcm_hardware *hw);

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int snd_soc_platform_trigger(struct snd_pcm_substream *substream,
		int cmd, struct snd_soc_platform *platform);

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/* Jack reporting */
435
int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type,
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		     struct snd_soc_jack *jack);
void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
			  struct snd_soc_jack_pin *pins);
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void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
				    struct notifier_block *nb);
void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
				      struct notifier_block *nb);
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int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
			  struct snd_soc_jack_zone *zones);
int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
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#ifdef CONFIG_GPIOLIB
int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
			struct snd_soc_jack_gpio *gpios);
void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
			struct snd_soc_jack_gpio *gpios);
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#else
static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
					 struct snd_soc_jack_gpio *gpios)
{
	return 0;
}

static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
					   struct snd_soc_jack_gpio *gpios)
{
}
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#endif
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465
/* codec register bit access */
466
int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
467
				unsigned int mask, unsigned int value);
468
int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
469
			       unsigned int reg, unsigned int mask,
470
			       unsigned int value);
471
int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
472
				unsigned int mask, unsigned int value);
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int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
	struct snd_ac97_bus_ops *ops, int num);
void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);

478
int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
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int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
		struct platform_device *pdev);
481

482 483 484 485
/*
 *Controls
 */
struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
486
				  void *data, const char *long_name,
487
				  const char *prefix);
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struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
					       const char *name);
490
int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
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	const struct snd_kcontrol_new *controls, int num_controls);
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int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
	const struct snd_kcontrol_new *controls, int num_controls);
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int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
	const struct snd_kcontrol_new *controls, int num_controls);
int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
	const struct snd_kcontrol_new *controls, int num_controls);
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int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_info *uinfo);
int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_info *uinfo);
506
#define snd_soc_info_bool_ext		snd_ctl_boolean_mono_info
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int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
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#define snd_soc_get_volsw_2r snd_soc_get_volsw
#define snd_soc_put_volsw_2r snd_soc_put_volsw
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int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
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int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_info *uinfo);
int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
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int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_info *uinfo);
int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
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int snd_soc_limit_volume(struct snd_soc_codec *codec,
	const char *name, int max);
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int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
		       struct snd_ctl_elem_info *uinfo);
int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
		      struct snd_ctl_elem_value *ucontrol);
int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
		      struct snd_ctl_elem_value *ucontrol);
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int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_info *uinfo);
int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
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int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol);
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/**
 * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
 *
 * @pin:    name of the pin to update
 * @mask:   bits to check for in reported jack status
 * @invert: if non-zero then pin is enabled when status is not reported
 */
struct snd_soc_jack_pin {
	struct list_head list;
	const char *pin;
	int mask;
	bool invert;
};

562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579
/**
 * struct snd_soc_jack_zone - Describes voltage zones of jack detection
 *
 * @min_mv: start voltage in mv
 * @max_mv: end voltage in mv
 * @jack_type: type of jack that is expected for this voltage
 * @debounce_time: debounce_time for jack, codec driver should wait for this
 *		duration before reading the adc for voltages
 * @:list: list container
 */
struct snd_soc_jack_zone {
	unsigned int min_mv;
	unsigned int max_mv;
	unsigned int jack_type;
	unsigned int debounce_time;
	struct list_head list;
};

580 581 582 583 584 585 586 587
/**
 * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
 *
 * @gpio:         gpio number
 * @name:         gpio name
 * @report:       value to report when jack detected
 * @invert:       report presence in low state
 * @debouce_time: debouce time in ms
588
 * @wake:	  enable as wake source
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 * @jack_status_check: callback function which overrides the detection
 *		       to provide more complex checks (eg, reading an
 *		       ADC).
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 */
struct snd_soc_jack_gpio {
	unsigned int gpio;
	const char *name;
	int report;
	int invert;
	int debounce_time;
599 600
	bool wake;

601
	struct snd_soc_jack *jack;
602
	struct delayed_work work;
603

604 605
	void *data;
	int (*jack_status_check)(void *data);
606 607
};

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struct snd_soc_jack {
609
	struct mutex mutex;
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	struct snd_jack *jack;
611
	struct snd_soc_codec *codec;
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	struct list_head pins;
	int status;
614
	struct blocking_notifier_head notifier;
615
	struct list_head jack_zones;
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};

618 619
/* SoC PCM stream information */
struct snd_soc_pcm_stream {
620
	const char *stream_name;
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	u64 formats;			/* SNDRV_PCM_FMTBIT_* */
	unsigned int rates;		/* SNDRV_PCM_RATE_* */
623 624 625 626
	unsigned int rate_min;		/* min rate */
	unsigned int rate_max;		/* max rate */
	unsigned int channels_min;	/* min channels */
	unsigned int channels_max;	/* max channels */
627
	unsigned int sig_bits;		/* number of bits of content */
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};

/* SoC audio ops */
struct snd_soc_ops {
	int (*startup)(struct snd_pcm_substream *);
	void (*shutdown)(struct snd_pcm_substream *);
	int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
	int (*hw_free)(struct snd_pcm_substream *);
	int (*prepare)(struct snd_pcm_substream *);
	int (*trigger)(struct snd_pcm_substream *, int);
};

640 641 642 643 644 645 646
struct snd_soc_compr_ops {
	int (*startup)(struct snd_compr_stream *);
	void (*shutdown)(struct snd_compr_stream *);
	int (*set_params)(struct snd_compr_stream *);
	int (*trigger)(struct snd_compr_stream *);
};

647 648 649
/* component interface */
struct snd_soc_component_driver {
	const char *name;
650 651 652 653 654

	/* DT */
	int (*of_xlate_dai_name)(struct snd_soc_component *component,
				 struct of_phandle_args *args,
				 const char **dai_name);
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};

struct snd_soc_component {
	const char *name;
	int id;
	struct device *dev;
661 662 663

	unsigned int active;

664
	unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
665
	unsigned int registered_as_component:1;
666

667 668
	struct list_head list;

669 670 671
	struct snd_soc_dai_driver *dai_drv;
	int num_dai;

672
	const struct snd_soc_component_driver *driver;
673 674

	struct list_head dai_list;
675 676
};

677
/* SoC Audio Codec device */
678
struct snd_soc_codec {
679
	const char *name;
680
	const char *name_prefix;
681
	int id;
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	struct device *dev;
683
	const struct snd_soc_codec_driver *driver;
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685 686
	struct mutex mutex;
	struct snd_soc_card *card;
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	struct list_head list;
688 689
	struct list_head card_list;
	int num_dai;
690 691 692

	/* runtime */
	struct snd_ac97 *ac97;  /* for ad-hoc ac97 devices */
693
	unsigned int cache_bypass:1; /* Suppress access to the cache */
694 695 696
	unsigned int suspended:1; /* Codec is in suspend PM state */
	unsigned int probed:1; /* Codec has been probed */
	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 cache_init:1; /* codec cache has been initialized */
699
	unsigned int using_regmap:1; /* using regmap access */
700 701
	u32 cache_only;  /* Suppress writes to hardware */
	u32 cache_sync; /* Cache needs to be synced to hardware */
702 703 704 705

	/* codec IO */
	void *control_data; /* codec control (i2c/3wire) data */
	hw_write_t hw_write;
706 707
	unsigned int (*read)(struct snd_soc_codec *, unsigned int);
	int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
708
	void *reg_cache;
709
	struct mutex cache_rw_mutex;
710
	int val_bytes;
711

712 713 714
	/* component */
	struct snd_soc_component component;

715
	/* dapm */
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	struct snd_soc_dapm_context dapm;
717

718
#ifdef CONFIG_DEBUG_FS
719
	struct dentry *debugfs_codec_root;
720 721
	struct dentry *debugfs_reg;
#endif
722 723
};

724 725 726 727 728 729
/* codec driver */
struct snd_soc_codec_driver {

	/* driver ops */
	int (*probe)(struct snd_soc_codec *);
	int (*remove)(struct snd_soc_codec *);
730
	int (*suspend)(struct snd_soc_codec *);
731
	int (*resume)(struct snd_soc_codec *);
732
	struct snd_soc_component_driver component_driver;
733

734 735 736
	/* Default control and setup, added after probe() is run */
	const struct snd_kcontrol_new *controls;
	int num_controls;
737 738 739 740 741
	const struct snd_soc_dapm_widget *dapm_widgets;
	int num_dapm_widgets;
	const struct snd_soc_dapm_route *dapm_routes;
	int num_dapm_routes;

742 743
	/* codec wide operations */
	int (*set_sysclk)(struct snd_soc_codec *codec,
744
			  int clk_id, int source, unsigned int freq, int dir);
745 746 747
	int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
		unsigned int freq_in, unsigned int freq_out);

748 749 750
	/* codec IO */
	unsigned int (*read)(struct snd_soc_codec *, unsigned int);
	int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
751
	unsigned int reg_cache_size;
752 753 754 755 756 757 758
	short reg_cache_step;
	short reg_word_size;
	const void *reg_cache_default;

	/* codec bias level */
	int (*set_bias_level)(struct snd_soc_codec *,
			      enum snd_soc_bias_level level);
759
	bool idle_bias_off;
760 761

	void (*seq_notifier)(struct snd_soc_dapm_context *,
762
			     enum snd_soc_dapm_type, int);
763

764 765 766
	/* codec stream completion event */
	int (*stream_event)(struct snd_soc_dapm_context *dapm, int event);

767 768
	bool ignore_pmdown_time;  /* Doesn't benefit from pmdown delay */

769 770 771
	/* probe ordering - for components with runtime dependencies */
	int probe_order;
	int remove_order;
772 773 774
};

/* SoC platform interface */
775
struct snd_soc_platform_driver {
776

777 778 779 780
	int (*probe)(struct snd_soc_platform *);
	int (*remove)(struct snd_soc_platform *);
	int (*suspend)(struct snd_soc_dai *dai);
	int (*resume)(struct snd_soc_dai *dai);
781
	struct snd_soc_component_driver component_driver;
782 783

	/* pcm creation and destruction */
784
	int (*pcm_new)(struct snd_soc_pcm_runtime *);
785 786
	void (*pcm_free)(struct snd_pcm *);

787 788 789 790 791 792 793 794
	/* Default control and setup, added after probe() is run */
	const struct snd_kcontrol_new *controls;
	int num_controls;
	const struct snd_soc_dapm_widget *dapm_widgets;
	int num_dapm_widgets;
	const struct snd_soc_dapm_route *dapm_routes;
	int num_dapm_routes;

795 796 797 798 799 800 801
	/*
	 * For platform caused delay reporting.
	 * Optional.
	 */
	snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
		struct snd_soc_dai *);

802
	/* platform stream pcm ops */
803
	const struct snd_pcm_ops *ops;
804

805
	/* platform stream compress ops */
806
	const struct snd_compr_ops *compr_ops;
807

808 809 810
	/* platform stream completion event */
	int (*stream_event)(struct snd_soc_dapm_context *dapm, int event);

811 812 813
	/* probe ordering - for components with runtime dependencies */
	int probe_order;
	int remove_order;
814 815 816 817

	/* platform IO - used for platform DAPM */
	unsigned int (*read)(struct snd_soc_platform *, unsigned int);
	int (*write)(struct snd_soc_platform *, unsigned int, unsigned int);
818
	int (*bespoke_trigger)(struct snd_pcm_substream *, int);
819 820
};

821 822 823 824
struct snd_soc_platform {
	const char *name;
	int id;
	struct device *dev;
825
	const struct snd_soc_platform_driver *driver;
826
	struct mutex mutex;
827

828 829
	unsigned int suspended:1; /* platform is suspended */
	unsigned int probed:1;
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831 832 833
	struct snd_soc_card *card;
	struct list_head list;
	struct list_head card_list;
834

835 836
	struct snd_soc_component component;

837
	struct snd_soc_dapm_context dapm;
838 839 840 841

#ifdef CONFIG_DEBUG_FS
	struct dentry *debugfs_platform_root;
#endif
842
};
843

844 845 846 847
struct snd_soc_dai_link {
	/* config - must be set by machine driver */
	const char *name;			/* Codec name */
	const char *stream_name;		/* Stream name */
848 849 850 851 852 853 854 855 856 857 858 859 860 861
	/*
	 * You MAY specify the link's CPU-side device, either by device name,
	 * or by DT/OF node, but not both. If this information is omitted,
	 * the CPU-side DAI is matched using .cpu_dai_name only, which hence
	 * must be globally unique. These fields are currently typically used
	 * only for codec to codec links, or systems using device tree.
	 */
	const char *cpu_name;
	const struct device_node *cpu_of_node;
	/*
	 * You MAY specify the DAI name of the CPU DAI. If this information is
	 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
	 * only, which only works well when that device exposes a single DAI.
	 */
862
	const char *cpu_dai_name;
863 864 865 866 867 868 869
	/*
	 * You MUST specify the link's codec, either by device name, or by
	 * DT/OF node, but not both.
	 */
	const char *codec_name;
	const struct device_node *codec_of_node;
	/* You MUST specify the DAI name within the codec */
870
	const char *codec_dai_name;
871 872 873 874 875 876 877
	/*
	 * You MAY specify the link's platform/PCM/DMA driver, either by
	 * device name, or by DT/OF node, but not both. Some forms of link
	 * do not need a platform.
	 */
	const char *platform_name;
	const struct device_node *platform_of_node;
878
	int be_id;	/* optional ID for machine driver BE identification */
879

880 881
	const struct snd_soc_pcm_stream *params;

882 883
	unsigned int dai_fmt;           /* format to set on init */

884 885
	enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */

886 887 888
	/* Keep DAI active over suspend */
	unsigned int ignore_suspend:1;

889 890
	/* Symmetry requirements */
	unsigned int symmetric_rates:1;
891 892
	unsigned int symmetric_channels:1;
	unsigned int symmetric_samplebits:1;
893

894 895 896 897 898 899
	/* Do not create a PCM for this DAI link (Backend link) */
	unsigned int no_pcm:1;

	/* This DAI link can route to other DAI links at runtime (Frontend)*/
	unsigned int dynamic:1;

900 901 902 903
	/* DPCM capture and Playback support */
	unsigned int dpcm_capture:1;
	unsigned int dpcm_playback:1;

904 905 906
	/* pmdown_time is ignored at stop */
	unsigned int ignore_pmdown_time:1;

907 908
	/* codec/machine specific init - e.g. add machine controls */
	int (*init)(struct snd_soc_pcm_runtime *rtd);
909

910 911 912 913
	/* optional hw_params re-writing for BE and FE sync */
	int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
			struct snd_pcm_hw_params *params);

914
	/* machine stream operations */
915 916
	const struct snd_soc_ops *ops;
	const struct snd_soc_compr_ops *compr_ops;
917 918 919 920

	/* For unidirectional dai links */
	bool playback_only;
	bool capture_only;
921 922
};

923
struct snd_soc_codec_conf {
924
	const char *dev_name;
925 926 927 928 929

	/*
	 * optional map of kcontrol, widget and path name prefixes that are
	 * associated per device
	 */
930 931 932
	const char *name_prefix;
};

933 934 935 936 937 938 939 940
struct snd_soc_aux_dev {
	const char *name;		/* Codec name */
	const char *codec_name;		/* for multi-codec */

	/* codec/machine specific init - e.g. add machine controls */
	int (*init)(struct snd_soc_dapm_context *dapm);
};

941 942
/* SoC card */
struct snd_soc_card {
943
	const char *name;
944 945
	const char *long_name;
	const char *driver_name;
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	struct device *dev;
947 948
	struct snd_card *snd_card;
	struct module *owner;
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949 950

	struct list_head list;
951
	struct mutex mutex;
952
	struct mutex dapm_mutex;
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953

954
	bool instantiated;
955

956
	int (*probe)(struct snd_soc_card *card);
957
	int (*late_probe)(struct snd_soc_card *card);
958
	int (*remove)(struct snd_soc_card *card);
959 960 961

	/* the pre and post PM functions are used to do any PM work before and
	 * after the codec and DAI's do any PM work. */
962 963 964 965
	int (*suspend_pre)(struct snd_soc_card *card);
	int (*suspend_post)(struct snd_soc_card *card);
	int (*resume_pre)(struct snd_soc_card *card);
	int (*resume_post)(struct snd_soc_card *card);
966

967
	/* callbacks */
968
	int (*set_bias_level)(struct snd_soc_card *,
969
			      struct snd_soc_dapm_context *dapm,
970
			      enum snd_soc_bias_level level);
971
	int (*set_bias_level_post)(struct snd_soc_card *,
972
				   struct snd_soc_dapm_context *dapm,
973
				   enum snd_soc_bias_level level);
974

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	long pmdown_time;
976

977 978 979
	/* CPU <--> Codec DAI links  */
	struct snd_soc_dai_link *dai_link;
	int num_links;
980 981
	struct snd_soc_pcm_runtime *rtd;
	int num_rtd;
982

983 984 985
	/* optional codec specific configuration */
	struct snd_soc_codec_conf *codec_conf;
	int num_configs;
986

987 988 989 990 991 992 993 994 995
	/*
	 * optional auxiliary devices such as amplifiers or codecs with DAI
	 * link unused
	 */
	struct snd_soc_aux_dev *aux_dev;
	int num_aux_devs;
	struct snd_soc_pcm_runtime *rtd_aux;
	int num_aux_rtd;

996 997 998
	const struct snd_kcontrol_new *controls;
	int num_controls;

999 1000 1001
	/*
	 * Card-specific routes and widgets.
	 */
1002
	const struct snd_soc_dapm_widget *dapm_widgets;
1003
	int num_dapm_widgets;
1004
	const struct snd_soc_dapm_route *dapm_routes;
1005
	int num_dapm_routes;
1006
	bool fully_routed;
1007

1008
	struct work_struct deferred_resume_work;
1009 1010 1011 1012 1013

	/* lists of probed devices belonging to this card */
	struct list_head codec_dev_list;
	struct list_head platform_dev_list;
	struct list_head dai_dev_list;
1014

1015
	struct list_head widgets;
1016
	struct list_head paths;
1017
	struct list_head dapm_list;
1018
	struct list_head dapm_dirty;
1019

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	/* Generic DAPM context for the card */
	struct snd_soc_dapm_context dapm;
1022
	struct snd_soc_dapm_stats dapm_stats;
1023
	struct snd_soc_dapm_update *update;
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1025 1026
#ifdef CONFIG_DEBUG_FS
	struct dentry *debugfs_card_root;
1027
	struct dentry *debugfs_pop_time;
1028
#endif
1029
	u32 pop_time;
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	void *drvdata;
1032 1033
};

1034
/* SoC machine DAI configuration, glues a codec and cpu DAI together */
1035
struct snd_soc_pcm_runtime {
1036
	struct device *dev;
1037
	struct snd_soc_card *card;
1038
	struct snd_soc_dai_link *dai_link;
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	struct mutex pcm_mutex;
	enum snd_soc_pcm_subclass pcm_subclass;
	struct snd_pcm_ops ops;
1042 1043

	unsigned int dev_registered:1;
1044

1045 1046
	/* Dynamic PCM BE runtime data */
	struct snd_soc_dpcm_runtime dpcm[2];
1047
	int fe_compr;
1048

1049
	long pmdown_time;
1050
	unsigned char pop_wait:1;
1051 1052 1053

	/* runtime devices */
	struct snd_pcm *pcm;
1054
	struct snd_compr *compr;
1055 1056 1057 1058 1059 1060
	struct snd_soc_codec *codec;
	struct snd_soc_platform *platform;
	struct snd_soc_dai *codec_dai;
	struct snd_soc_dai *cpu_dai;

	struct delayed_work delayed_work;
1061 1062 1063 1064
#ifdef CONFIG_DEBUG_FS
	struct dentry *debugfs_dpcm_root;
	struct dentry *debugfs_dpcm_state;
#endif
1065 1066
};

1067 1068
/* mixer control */
struct soc_mixer_control {
1069
	int min, max, platform_max;
1070 1071
	int reg, rreg;
	unsigned int shift, rshift;
1072
	unsigned int sign_bit;
1073 1074
	unsigned int invert:1;
	unsigned int autodisable:1;
1075 1076
};

1077 1078 1079
struct soc_bytes {
	int base;
	int num_regs;
1080
	u32 mask;
1081 1082
};

1083 1084 1085 1086 1087 1088
/* multi register control */
struct soc_mreg_control {
	long min, max;
	unsigned int regbase, regcount, nbits, invert;
};

1089 1090
/* enumerated kcontrol */
struct soc_enum {
1091
	int reg;
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	unsigned char shift_l;
	unsigned char shift_r;
1094
	unsigned int items;
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	unsigned int mask;
1096
	const char * const *texts;
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	const unsigned int *values;
};

1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112
/**
 * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in
 * @component: The component to cast to a CODEC
 *
 * This function must only be used on components that are known to be CODECs.
 * Otherwise the behavior is undefined.
 */
static inline struct snd_soc_codec *snd_soc_component_to_codec(
	struct snd_soc_component *component)
{
	return container_of(component, struct snd_soc_codec, component);
}

1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125
/**
 * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
 * @component: The component to cast to a platform
 *
 * This function must only be used on components that are known to be platforms.
 * Otherwise the behavior is undefined.
 */
static inline struct snd_soc_platform *snd_soc_component_to_platform(
	struct snd_soc_component *component)
{
	return container_of(component, struct snd_soc_platform, component);
}

1126
/* codec IO */
1127 1128 1129
unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
unsigned int snd_soc_write(struct snd_soc_codec *codec,
			   unsigned int reg, unsigned int val);
1130

1131 1132
/* device driver data */

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static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
		void *data)
{
	card->drvdata = data;
}

static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
{
	return card->drvdata;
}

1144
static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
1145
		void *data)
1146
{
1147
	dev_set_drvdata(codec->dev, data);
1148 1149 1150 1151
}

static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
{
1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168
	return dev_get_drvdata(codec->dev);
}

static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
		void *data)
{
	dev_set_drvdata(platform->dev, data);
}

static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
{
	return dev_get_drvdata(platform->dev);
}

static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd,
		void *data)
{
1169
	dev_set_drvdata(rtd->dev, data);
1170 1171 1172 1173
}

static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd)
{
1174
	return dev_get_drvdata(rtd->dev);
1175 1176
}

1177 1178 1179 1180 1181 1182 1183 1184 1185 1186
static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
{
	INIT_LIST_HEAD(&card->dai_dev_list);
	INIT_LIST_HEAD(&card->codec_dev_list);
	INIT_LIST_HEAD(&card->platform_dev_list);
	INIT_LIST_HEAD(&card->widgets);
	INIT_LIST_HEAD(&card->paths);
	INIT_LIST_HEAD(&card->dapm_list);
}

1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198
static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
{
	if (mc->reg == mc->rreg && mc->shift == mc->rshift)
		return 0;
	/*
	 * mc->reg == mc->rreg && mc->shift != mc->rshift, or
	 * mc->reg != mc->rreg means that the control is
	 * stereo (bits in one register or in two registers)
	 */
	return 1;
}

1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222
static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
	unsigned int val)
{
	unsigned int i;

	if (!e->values)
		return val;

	for (i = 0; i < e->items; i++)
		if (val == e->values[i])
			return i;

	return 0;
}

static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
	unsigned int item)
{
	if (!e->values)
		return item;

	return e->values[item];
}

1223 1224 1225 1226 1227 1228
static inline bool snd_soc_component_is_active(
	struct snd_soc_component *component)
{
	return component->active != 0;
}

1229 1230
static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
{
1231
	return snd_soc_component_is_active(&codec->component);
1232 1233
}

1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247
/**
 * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control
 * @kcontrol: The control for which to get the CODEC
 *
 * Note: This function will only work correctly if the control has been
 * registered with snd_soc_add_codec_controls() or via table based setup of
 * snd_soc_codec_driver. Otherwise the behavior is undefined.
 */
static inline struct snd_soc_codec *snd_soc_kcontrol_codec(
	struct snd_kcontrol *kcontrol)
{
	return snd_kcontrol_chip(kcontrol);
}

1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261
/**
 * snd_soc_kcontrol_platform() - Returns the platform that registerd the control
 * @kcontrol: The control for which to get the platform
 *
 * Note: This function will only work correctly if the control has been
 * registered with snd_soc_add_platform_controls() or via table based setup of
 * a snd_soc_platform_driver. Otherwise the behavior is undefined.
 */
static inline struct snd_soc_codec *snd_soc_kcontrol_platform(
	struct snd_kcontrol *kcontrol)
{
	return snd_kcontrol_chip(kcontrol);
}

1262 1263 1264
int snd_soc_util_init(void);
void snd_soc_util_exit(void);

1265 1266
int snd_soc_of_parse_card_name(struct snd_soc_card *card,
			       const char *propname);
1267 1268
int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
					  const char *propname);
1269 1270 1271
int snd_soc_of_parse_tdm_slot(struct device_node *np,
			      unsigned int *slots,
			      unsigned int *slot_width);
1272 1273
int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
				   const char *propname);
1274 1275
unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
				     const char *prefix);
1276 1277
int snd_soc_of_get_dai_name(struct device_node *of_node,
			    const char **dai_name);
1278

1279 1280
#include <sound/soc-dai.h>

1281
#ifdef CONFIG_DEBUG_FS
1282
extern struct dentry *snd_soc_debugfs_root;
1283 1284
#endif

1285 1286
extern const struct dev_pm_ops snd_soc_pm_ops;

1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297
/* Helper functions */
static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
{
	mutex_lock(&dapm->card->dapm_mutex);
}

static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
{
	mutex_unlock(&dapm->card->dapm_mutex);
}

1298
#endif