1474 lines
		
	
	
	
		
			50 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1474 lines
		
	
	
	
		
			50 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * linux/sound/soc.h -- ALSA SoC Layer
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|  *
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|  * Author:		Liam Girdwood
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|  * Created:		Aug 11th 2005
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|  * Copyright:	Wolfson Microelectronics. PLC.
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|  *
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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License version 2 as
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|  * published by the Free Software Foundation.
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|  */
 | |
| 
 | |
| #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>
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| #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>
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| #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>
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| #include <sound/pcm.h>
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| #include <sound/compress_driver.h>
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| #include <sound/control.h>
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| #include <sound/ac97_codec.h>
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| 
 | |
| /*
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|  * Convenience kcontrol builders
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|  */
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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, \
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| 	.rshift = shift_right, .max = xmax, .platform_max = xmax, \
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| 	.invert = xinvert, .autodisable = xautodisable})
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| #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
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| 	SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
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| #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
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| 	((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) \
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| 	((unsigned long)&(struct soc_mixer_control) \
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| 	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
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| 	.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) \
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| 	((unsigned long)&(struct soc_mixer_control) \
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| 	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
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| 	.max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
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| 	.invert = xinvert})
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| #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
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| 	((unsigned long)&(struct soc_mixer_control) \
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| 	{.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
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| 	.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, \
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| 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
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| 	.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) \
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| {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
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| 	.info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
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| 	.put = snd_soc_put_volsw_range, \
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| 	.private_value = (unsigned long)&(struct soc_mixer_control) \
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| 		{.reg = xreg, .rreg = xreg, .shift = xshift, \
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| 		 .rshift = xshift,  .min = xmin, .max = xmax, \
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| 		 .platform_max = xmax, .invert = xinvert} }
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| #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
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| {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
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| 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
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| 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
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| 	.tlv.p = (tlv_array), \
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| 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
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| 	.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) \
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| {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
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| 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
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| 	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
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| 	.tlv.p  = (tlv_array),\
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| 	.info = snd_soc_info_volsw, \
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| 	.get = snd_soc_get_volsw_sx,\
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| 	.put = snd_soc_put_volsw_sx, \
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| 	.private_value = (unsigned long)&(struct soc_mixer_control) \
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| 		{.reg = xreg, .rreg = xreg, \
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| 		.shift = xshift, .rshift = xshift, \
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| 		.max = xmax, .min = xmin} }
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| #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
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| {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
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| 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
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| 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
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| 	.tlv.p = (tlv_array), \
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| 	.info = snd_soc_info_volsw_range, \
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| 	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
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| 	.private_value = (unsigned long)&(struct soc_mixer_control) \
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| 		{.reg = xreg, .rreg = xreg, .shift = xshift, \
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| 		 .rshift = xshift, .min = xmin, .max = xmax, \
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| 		 .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),\
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| 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
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| 	.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, \
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| 					    xmax, xinvert) }
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| #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
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| 			   xmax, xinvert)		\
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| {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
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| 	.info = snd_soc_info_volsw_range, \
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| 	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
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| 	.private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
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| 					    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),\
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| 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
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| 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
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| 	.tlv.p = (tlv_array), \
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| 	.info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
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| 	.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),\
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| 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
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| 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
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| 	.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, \
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| 					    xmax, xinvert) }
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| #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
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| 			       xmax, xinvert, tlv_array)		\
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| {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
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| 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
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| 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
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| 	.tlv.p = (tlv_array), \
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| 	.info = snd_soc_info_volsw_range, \
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| 	.get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
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| 	.private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
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| 					    xshift, xmin, xmax, xinvert) }
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| #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
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| {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
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| 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
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| 	SNDRV_CTL_ELEM_ACCESS_READWRITE, \
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| 	.tlv.p  = (tlv_array), \
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| 	.info = snd_soc_info_volsw, \
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| 	.get = snd_soc_get_volsw_sx, \
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| 	.put = snd_soc_put_volsw_sx, \
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| 	.private_value = (unsigned long)&(struct soc_mixer_control) \
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| 		{.reg = xreg, .rreg = xrreg, \
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| 		.shift = xshift, .rshift = xshift, \
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| 		.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) \
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| {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
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| 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
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| 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
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| 	.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_S_VALUE(reg_left, reg_right, xshift, \
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| 					    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), \
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| 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
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| 		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
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| 	.tlv.p  = (tlv_array), \
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| 	.info   = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \
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| 	.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, \
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| 		 .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, \
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| 	.mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
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| #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
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| 	SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
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| #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
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| {	.items = xitems, .texts = xtexts }
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| #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}
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| #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xnitmes, xtexts, xvalues) \
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| 	SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xnitmes, xtexts, xvalues)
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| #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
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| 	SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
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| #define SOC_ENUM(xname, xenum) \
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| {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
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| 	.info = snd_soc_info_enum_double, \
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| 	.get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
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| 	.private_value = (unsigned long)&xenum }
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| #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
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| 	 xhandler_get, xhandler_put) \
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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 = xhandler_get, .put = xhandler_put, \
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| 	.private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
 | |
| #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
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| 	 xhandler_get, xhandler_put) \
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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 = 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) \
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| {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
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| 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
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| 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
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| 	.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_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
 | |
| #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
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| 	 xhandler_get, xhandler_put, tlv_array) \
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| {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
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| 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
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| 		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
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| 	.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_VALUE(xreg, shift_left, shift_right, \
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| 					  xmax, xinvert, 0) }
 | |
| #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
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| 	 xhandler_get, xhandler_put, tlv_array) \
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| {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
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| 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
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| 		 SNDRV_CTL_ELEM_ACCESS_READWRITE, \
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| 	.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, \
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| 					    xmax, xinvert) }
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| #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
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| {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
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| 	.info = snd_soc_info_bool_ext, \
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| 	.get = xhandler_get, .put = xhandler_put, \
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| 	.private_value = xdata }
 | |
| #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
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| {	.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, \
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| 	.private_value = (unsigned long)&xenum }
 | |
| #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
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| 	SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
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| 
 | |
| #define SND_SOC_BYTES(xname, xbase, xregs)		      \
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| {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
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| 	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
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| 	.put = snd_soc_bytes_put, .private_value =	      \
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| 		((unsigned long)&(struct soc_bytes)           \
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| 		{.base = xbase, .num_regs = xregs }) }
 | |
| 
 | |
| #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask)	      \
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| {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,   \
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| 	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
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| 	.put = snd_soc_bytes_put, .private_value =	      \
 | |
| 		((unsigned long)&(struct soc_bytes)           \
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| 		{.base = xbase, .num_regs = xregs,	      \
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| 		 .mask = xmask }) }
 | |
| 
 | |
| #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
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| {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
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| 	.info = snd_soc_bytes_info_ext, \
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| 	.get = xhandler_get, .put = xhandler_put, \
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| 	.private_value = (unsigned long)&(struct soc_bytes_ext) \
 | |
| 		{.max = xcount} }
 | |
| #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
 | |
| {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
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| 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
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| 		  SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
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| 	.tlv.c = (snd_soc_bytes_tlv_callback), \
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| 	.info = snd_soc_bytes_info_ext, \
 | |
| 	.private_value = (unsigned long)&(struct soc_bytes_ext) \
 | |
| 		{.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
 | |
| #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, \
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| 	.put = snd_soc_put_xr_sx, \
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| 	.private_value = (unsigned long)&(struct soc_mreg_control) \
 | |
| 		{.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
 | |
| 		.invert = xinvert, .min = xmin, .max = xmax} }
 | |
| 
 | |
| #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
 | |
| 	SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
 | |
| 		snd_soc_get_strobe, snd_soc_put_strobe)
 | |
| 
 | |
| /*
 | |
|  * 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) \
 | |
| 	const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
 | |
| 						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) \
 | |
| 	const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
 | |
| #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
 | |
| 	const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
 | |
| 							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)
 | |
| #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
 | |
| 	const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
 | |
| 
 | |
| /*
 | |
|  * 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
 | |
| 
 | |
| /*
 | |
|  * 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 {
 | |
| 	SND_SOC_BIAS_OFF = 0,
 | |
| 	SND_SOC_BIAS_STANDBY = 1,
 | |
| 	SND_SOC_BIAS_PREPARE = 2,
 | |
| 	SND_SOC_BIAS_ON = 3,
 | |
| };
 | |
| 
 | |
| struct device_node;
 | |
| struct snd_jack;
 | |
| struct snd_soc_card;
 | |
| struct snd_soc_pcm_stream;
 | |
| struct snd_soc_ops;
 | |
| struct snd_soc_pcm_runtime;
 | |
| struct snd_soc_dai;
 | |
| struct snd_soc_dai_driver;
 | |
| struct snd_soc_platform;
 | |
| struct snd_soc_dai_link;
 | |
| struct snd_soc_platform_driver;
 | |
| struct snd_soc_codec;
 | |
| struct snd_soc_codec_driver;
 | |
| struct snd_soc_component;
 | |
| struct snd_soc_component_driver;
 | |
| struct soc_enum;
 | |
| struct snd_soc_jack;
 | |
| struct snd_soc_jack_zone;
 | |
| struct snd_soc_jack_pin;
 | |
| #include <sound/soc-dapm.h>
 | |
| #include <sound/soc-dpcm.h>
 | |
| 
 | |
| struct snd_soc_jack_gpio;
 | |
| 
 | |
| typedef int (*hw_write_t)(void *,const char* ,int);
 | |
| 
 | |
| extern struct snd_ac97_bus_ops *soc_ac97_ops;
 | |
| 
 | |
| enum snd_soc_pcm_subclass {
 | |
| 	SND_SOC_PCM_CLASS_PCM	= 0,
 | |
| 	SND_SOC_PCM_CLASS_BE	= 1,
 | |
| };
 | |
| 
 | |
| enum snd_soc_card_subclass {
 | |
| 	SND_SOC_CARD_CLASS_INIT		= 0,
 | |
| 	SND_SOC_CARD_CLASS_RUNTIME	= 1,
 | |
| };
 | |
| 
 | |
| int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
 | |
| 			     int source, unsigned int freq, int dir);
 | |
| int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
 | |
| 			  unsigned int freq_in, unsigned int freq_out);
 | |
| 
 | |
| int snd_soc_register_card(struct snd_soc_card *card);
 | |
| int snd_soc_unregister_card(struct snd_soc_card *card);
 | |
| int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
 | |
| int snd_soc_suspend(struct device *dev);
 | |
| int snd_soc_resume(struct device *dev);
 | |
| int snd_soc_poweroff(struct device *dev);
 | |
| int snd_soc_register_platform(struct device *dev,
 | |
| 		const struct snd_soc_platform_driver *platform_drv);
 | |
| int devm_snd_soc_register_platform(struct device *dev,
 | |
| 		const struct snd_soc_platform_driver *platform_drv);
 | |
| void snd_soc_unregister_platform(struct device *dev);
 | |
| 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);
 | |
| int snd_soc_register_codec(struct device *dev,
 | |
| 		const struct snd_soc_codec_driver *codec_drv,
 | |
| 		struct snd_soc_dai_driver *dai_drv, int num_dai);
 | |
| void snd_soc_unregister_codec(struct device *dev);
 | |
| 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);
 | |
| 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);
 | |
| void snd_soc_unregister_component(struct device *dev);
 | |
| 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);
 | |
| 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);
 | |
| int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
 | |
| int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
 | |
| 
 | |
| 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);
 | |
| 
 | |
| bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
 | |
| 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);
 | |
| 
 | |
| /* 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);
 | |
| int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
 | |
| int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
 | |
| 
 | |
| /* set runtime hw params */
 | |
| int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
 | |
| 	const struct snd_pcm_hardware *hw);
 | |
| 
 | |
| int snd_soc_platform_trigger(struct snd_pcm_substream *substream,
 | |
| 		int cmd, struct snd_soc_platform *platform);
 | |
| 
 | |
| int soc_dai_hw_params(struct snd_pcm_substream *substream,
 | |
| 		      struct snd_pcm_hw_params *params,
 | |
| 		      struct snd_soc_dai *dai);
 | |
| 
 | |
| /* Jack reporting */
 | |
| int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type,
 | |
| 		     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);
 | |
| 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);
 | |
| 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);
 | |
| #ifdef CONFIG_GPIOLIB
 | |
| int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 | |
| 			struct snd_soc_jack_gpio *gpios);
 | |
| int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 | |
| 			    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);
 | |
| #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 int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
 | |
| 					  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)
 | |
| {
 | |
| }
 | |
| #endif
 | |
| 
 | |
| /* codec register bit access */
 | |
| int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg,
 | |
| 				unsigned int mask, unsigned int value);
 | |
| int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
 | |
| 			       unsigned int reg, unsigned int mask,
 | |
| 			       unsigned int value);
 | |
| int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg,
 | |
| 				unsigned int mask, unsigned int value);
 | |
| 
 | |
| 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);
 | |
| 
 | |
| int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
 | |
| int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
 | |
| 		struct platform_device *pdev);
 | |
| 
 | |
| /*
 | |
|  *Controls
 | |
|  */
 | |
| struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 | |
| 				  void *data, const char *long_name,
 | |
| 				  const char *prefix);
 | |
| struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
 | |
| 					       const char *name);
 | |
| int snd_soc_add_component_controls(struct snd_soc_component *component,
 | |
| 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
 | |
| int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
 | |
| 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
 | |
| int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
 | |
| 	const struct snd_kcontrol_new *controls, unsigned int num_controls);
 | |
| 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);
 | |
| 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);
 | |
| #define snd_soc_info_bool_ext		snd_ctl_boolean_mono_info
 | |
| 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);
 | |
| #define snd_soc_get_volsw_2r snd_soc_get_volsw
 | |
| #define snd_soc_put_volsw_2r snd_soc_put_volsw
 | |
| 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);
 | |
| 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);
 | |
| 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);
 | |
| int snd_soc_limit_volume(struct snd_soc_codec *codec,
 | |
| 	const char *name, int max);
 | |
| 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);
 | |
| int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
 | |
| 	struct snd_ctl_elem_info *ucontrol);
 | |
| int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
 | |
| 	unsigned int size, unsigned int __user *tlv);
 | |
| 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);
 | |
| 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);
 | |
| 
 | |
| /**
 | |
|  * 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;
 | |
| };
 | |
| 
 | |
| /**
 | |
|  * 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;
 | |
| };
 | |
| 
 | |
| /**
 | |
|  * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
 | |
|  *
 | |
|  * @gpio:         legacy gpio number
 | |
|  * @idx:          gpio descriptor index within the function of the GPIO
 | |
|  *                consumer device
 | |
|  * @gpiod_dev     GPIO consumer device
 | |
|  * @name:         gpio name. Also as connection ID for the GPIO consumer
 | |
|  *                device function name lookup
 | |
|  * @report:       value to report when jack detected
 | |
|  * @invert:       report presence in low state
 | |
|  * @debouce_time: debouce time in ms
 | |
|  * @wake:	  enable as wake source
 | |
|  * @jack_status_check: callback function which overrides the detection
 | |
|  *		       to provide more complex checks (eg, reading an
 | |
|  *		       ADC).
 | |
|  */
 | |
| struct snd_soc_jack_gpio {
 | |
| 	unsigned int gpio;
 | |
| 	unsigned int idx;
 | |
| 	struct device *gpiod_dev;
 | |
| 	const char *name;
 | |
| 	int report;
 | |
| 	int invert;
 | |
| 	int debounce_time;
 | |
| 	bool wake;
 | |
| 
 | |
| 	struct snd_soc_jack *jack;
 | |
| 	struct delayed_work work;
 | |
| 	struct gpio_desc *desc;
 | |
| 
 | |
| 	void *data;
 | |
| 	int (*jack_status_check)(void *data);
 | |
| };
 | |
| 
 | |
| struct snd_soc_jack {
 | |
| 	struct mutex mutex;
 | |
| 	struct snd_jack *jack;
 | |
| 	struct snd_soc_codec *codec;
 | |
| 	struct list_head pins;
 | |
| 	int status;
 | |
| 	struct blocking_notifier_head notifier;
 | |
| 	struct list_head jack_zones;
 | |
| };
 | |
| 
 | |
| /* SoC PCM stream information */
 | |
| struct snd_soc_pcm_stream {
 | |
| 	const char *stream_name;
 | |
| 	u64 formats;			/* SNDRV_PCM_FMTBIT_* */
 | |
| 	unsigned int rates;		/* SNDRV_PCM_RATE_* */
 | |
| 	unsigned int rate_min;		/* min rate */
 | |
| 	unsigned int rate_max;		/* max rate */
 | |
| 	unsigned int channels_min;	/* min channels */
 | |
| 	unsigned int channels_max;	/* max channels */
 | |
| 	unsigned int sig_bits;		/* number of bits of content */
 | |
| };
 | |
| 
 | |
| /* 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);
 | |
| };
 | |
| 
 | |
| 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 *);
 | |
| };
 | |
| 
 | |
| /* component interface */
 | |
| struct snd_soc_component_driver {
 | |
| 	const char *name;
 | |
| 
 | |
| 	/* Default control and setup, added after probe() is run */
 | |
| 	const struct snd_kcontrol_new *controls;
 | |
| 	unsigned int num_controls;
 | |
| 	const struct snd_soc_dapm_widget *dapm_widgets;
 | |
| 	unsigned int num_dapm_widgets;
 | |
| 	const struct snd_soc_dapm_route *dapm_routes;
 | |
| 	unsigned int num_dapm_routes;
 | |
| 
 | |
| 	int (*probe)(struct snd_soc_component *);
 | |
| 	void (*remove)(struct snd_soc_component *);
 | |
| 
 | |
| 	/* DT */
 | |
| 	int (*of_xlate_dai_name)(struct snd_soc_component *component,
 | |
| 				 struct of_phandle_args *args,
 | |
| 				 const char **dai_name);
 | |
| 	void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
 | |
| 		int subseq);
 | |
| 	int (*stream_event)(struct snd_soc_component *, int event);
 | |
| 
 | |
| 	/* probe ordering - for components with runtime dependencies */
 | |
| 	int probe_order;
 | |
| 	int remove_order;
 | |
| };
 | |
| 
 | |
| struct snd_soc_component {
 | |
| 	const char *name;
 | |
| 	int id;
 | |
| 	const char *name_prefix;
 | |
| 	struct device *dev;
 | |
| 	struct snd_soc_card *card;
 | |
| 
 | |
| 	unsigned int active;
 | |
| 
 | |
| 	unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */
 | |
| 	unsigned int registered_as_component:1;
 | |
| 	unsigned int probed:1;
 | |
| 
 | |
| 	struct list_head list;
 | |
| 
 | |
| 	struct snd_soc_dai_driver *dai_drv;
 | |
| 	int num_dai;
 | |
| 
 | |
| 	const struct snd_soc_component_driver *driver;
 | |
| 
 | |
| 	struct list_head dai_list;
 | |
| 
 | |
| 	int (*read)(struct snd_soc_component *, unsigned int, unsigned int *);
 | |
| 	int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
 | |
| 
 | |
| 	struct regmap *regmap;
 | |
| 	int val_bytes;
 | |
| 
 | |
| 	struct mutex io_mutex;
 | |
| 
 | |
| #ifdef CONFIG_DEBUG_FS
 | |
| 	struct dentry *debugfs_root;
 | |
| #endif
 | |
| 
 | |
| 	/*
 | |
| 	* DO NOT use any of the fields below in drivers, they are temporary and
 | |
| 	* are going to be removed again soon. If you use them in driver code the
 | |
| 	* driver will be marked as BROKEN when these fields are removed.
 | |
| 	*/
 | |
| 
 | |
| 	/* Don't use these, use snd_soc_component_get_dapm() */
 | |
| 	struct snd_soc_dapm_context dapm;
 | |
| 	struct snd_soc_dapm_context *dapm_ptr;
 | |
| 
 | |
| 	const struct snd_kcontrol_new *controls;
 | |
| 	unsigned int num_controls;
 | |
| 	const struct snd_soc_dapm_widget *dapm_widgets;
 | |
| 	unsigned int num_dapm_widgets;
 | |
| 	const struct snd_soc_dapm_route *dapm_routes;
 | |
| 	unsigned int num_dapm_routes;
 | |
| 	struct snd_soc_codec *codec;
 | |
| 
 | |
| 	int (*probe)(struct snd_soc_component *);
 | |
| 	void (*remove)(struct snd_soc_component *);
 | |
| 
 | |
| #ifdef CONFIG_DEBUG_FS
 | |
| 	void (*init_debugfs)(struct snd_soc_component *component);
 | |
| 	const char *debugfs_prefix;
 | |
| #endif
 | |
| };
 | |
| 
 | |
| /* SoC Audio Codec device */
 | |
| struct snd_soc_codec {
 | |
| 	struct device *dev;
 | |
| 	const struct snd_soc_codec_driver *driver;
 | |
| 
 | |
| 	struct mutex mutex;
 | |
| 	struct list_head list;
 | |
| 	struct list_head card_list;
 | |
| 
 | |
| 	/* runtime */
 | |
| 	struct snd_ac97 *ac97;  /* for ad-hoc ac97 devices */
 | |
| 	unsigned int cache_bypass:1; /* Suppress access to the cache */
 | |
| 	unsigned int suspended:1; /* Codec is in suspend PM state */
 | |
| 	unsigned int ac97_registered:1; /* Codec has been AC97 registered */
 | |
| 	unsigned int ac97_created:1; /* Codec has been created by SoC */
 | |
| 	unsigned int cache_init:1; /* codec cache has been initialized */
 | |
| 	u32 cache_sync; /* Cache needs to be synced to hardware */
 | |
| 
 | |
| 	/* codec IO */
 | |
| 	void *control_data; /* codec control (i2c/3wire) data */
 | |
| 	hw_write_t hw_write;
 | |
| 	void *reg_cache;
 | |
| 	struct mutex cache_rw_mutex;
 | |
| 
 | |
| 	/* component */
 | |
| 	struct snd_soc_component component;
 | |
| 
 | |
| 	/* dapm */
 | |
| 	struct snd_soc_dapm_context dapm;
 | |
| 
 | |
| #ifdef CONFIG_DEBUG_FS
 | |
| 	struct dentry *debugfs_reg;
 | |
| #endif
 | |
| };
 | |
| 
 | |
| /* codec driver */
 | |
| struct snd_soc_codec_driver {
 | |
| 
 | |
| 	/* driver ops */
 | |
| 	int (*probe)(struct snd_soc_codec *);
 | |
| 	int (*remove)(struct snd_soc_codec *);
 | |
| 	int (*suspend)(struct snd_soc_codec *);
 | |
| 	int (*resume)(struct snd_soc_codec *);
 | |
| 	struct snd_soc_component_driver component_driver;
 | |
| 
 | |
| 	/* 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;
 | |
| 
 | |
| 	/* codec wide operations */
 | |
| 	int (*set_sysclk)(struct snd_soc_codec *codec,
 | |
| 			  int clk_id, int source, unsigned int freq, int dir);
 | |
| 	int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
 | |
| 		unsigned int freq_in, unsigned int freq_out);
 | |
| 
 | |
| 	/* codec IO */
 | |
| 	struct regmap *(*get_regmap)(struct device *);
 | |
| 	unsigned int (*read)(struct snd_soc_codec *, unsigned int);
 | |
| 	int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
 | |
| 	unsigned int reg_cache_size;
 | |
| 	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);
 | |
| 	bool idle_bias_off;
 | |
| 	bool suspend_bias_off;
 | |
| 
 | |
| 	void (*seq_notifier)(struct snd_soc_dapm_context *,
 | |
| 			     enum snd_soc_dapm_type, int);
 | |
| 
 | |
| 	bool ignore_pmdown_time;  /* Doesn't benefit from pmdown delay */
 | |
| };
 | |
| 
 | |
| /* SoC platform interface */
 | |
| struct snd_soc_platform_driver {
 | |
| 
 | |
| 	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);
 | |
| 	struct snd_soc_component_driver component_driver;
 | |
| 
 | |
| 	/* pcm creation and destruction */
 | |
| 	int (*pcm_new)(struct snd_soc_pcm_runtime *);
 | |
| 	void (*pcm_free)(struct snd_pcm *);
 | |
| 
 | |
| 	/*
 | |
| 	 * For platform caused delay reporting.
 | |
| 	 * Optional.
 | |
| 	 */
 | |
| 	snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
 | |
| 		struct snd_soc_dai *);
 | |
| 
 | |
| 	/* platform stream pcm ops */
 | |
| 	const struct snd_pcm_ops *ops;
 | |
| 
 | |
| 	/* platform stream compress ops */
 | |
| 	const struct snd_compr_ops *compr_ops;
 | |
| 
 | |
| 	int (*bespoke_trigger)(struct snd_pcm_substream *, int);
 | |
| };
 | |
| 
 | |
| struct snd_soc_dai_link_component {
 | |
| 	const char *name;
 | |
| 	const struct device_node *of_node;
 | |
| 	const char *dai_name;
 | |
| };
 | |
| 
 | |
| struct snd_soc_platform {
 | |
| 	struct device *dev;
 | |
| 	const struct snd_soc_platform_driver *driver;
 | |
| 
 | |
| 	unsigned int suspended:1; /* platform is suspended */
 | |
| 
 | |
| 	struct list_head list;
 | |
| 
 | |
| 	struct snd_soc_component component;
 | |
| };
 | |
| 
 | |
| struct snd_soc_dai_link {
 | |
| 	/* config - must be set by machine driver */
 | |
| 	const char *name;			/* Codec name */
 | |
| 	const char *stream_name;		/* Stream name */
 | |
| 	/*
 | |
| 	 * 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;
 | |
| 	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.
 | |
| 	 */
 | |
| 	const char *cpu_dai_name;
 | |
| 	/*
 | |
| 	 * You MUST specify the link's codec, either by device name, or by
 | |
| 	 * DT/OF node, but not both.
 | |
| 	 */
 | |
| 	const char *codec_name;
 | |
| 	struct device_node *codec_of_node;
 | |
| 	/* You MUST specify the DAI name within the codec */
 | |
| 	const char *codec_dai_name;
 | |
| 
 | |
| 	struct snd_soc_dai_link_component *codecs;
 | |
| 	unsigned int num_codecs;
 | |
| 
 | |
| 	/*
 | |
| 	 * 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;
 | |
| 	struct device_node *platform_of_node;
 | |
| 	int be_id;	/* optional ID for machine driver BE identification */
 | |
| 
 | |
| 	const struct snd_soc_pcm_stream *params;
 | |
| 
 | |
| 	unsigned int dai_fmt;           /* format to set on init */
 | |
| 
 | |
| 	enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
 | |
| 
 | |
| 	/* Keep DAI active over suspend */
 | |
| 	unsigned int ignore_suspend:1;
 | |
| 
 | |
| 	/* Symmetry requirements */
 | |
| 	unsigned int symmetric_rates:1;
 | |
| 	unsigned int symmetric_channels:1;
 | |
| 	unsigned int symmetric_samplebits:1;
 | |
| 
 | |
| 	/* 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;
 | |
| 
 | |
| 	/* DPCM capture and Playback support */
 | |
| 	unsigned int dpcm_capture:1;
 | |
| 	unsigned int dpcm_playback:1;
 | |
| 
 | |
| 	/* pmdown_time is ignored at stop */
 | |
| 	unsigned int ignore_pmdown_time:1;
 | |
| 
 | |
| 	/* codec/machine specific init - e.g. add machine controls */
 | |
| 	int (*init)(struct snd_soc_pcm_runtime *rtd);
 | |
| 
 | |
| 	/* 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);
 | |
| 
 | |
| 	/* machine stream operations */
 | |
| 	const struct snd_soc_ops *ops;
 | |
| 	const struct snd_soc_compr_ops *compr_ops;
 | |
| 
 | |
| 	/* For unidirectional dai links */
 | |
| 	bool playback_only;
 | |
| 	bool capture_only;
 | |
| };
 | |
| 
 | |
| struct snd_soc_codec_conf {
 | |
| 	/*
 | |
| 	 * specify device either by device name, or by
 | |
| 	 * DT/OF node, but not both.
 | |
| 	 */
 | |
| 	const char *dev_name;
 | |
| 	const struct device_node *of_node;
 | |
| 
 | |
| 	/*
 | |
| 	 * optional map of kcontrol, widget and path name prefixes that are
 | |
| 	 * associated per device
 | |
| 	 */
 | |
| 	const char *name_prefix;
 | |
| };
 | |
| 
 | |
| struct snd_soc_aux_dev {
 | |
| 	const char *name;		/* Codec name */
 | |
| 
 | |
| 	/*
 | |
| 	 * specify multi-codec either by device name, or by
 | |
| 	 * DT/OF node, but not both.
 | |
| 	 */
 | |
| 	const char *codec_name;
 | |
| 	const struct device_node *codec_of_node;
 | |
| 
 | |
| 	/* codec/machine specific init - e.g. add machine controls */
 | |
| 	int (*init)(struct snd_soc_component *component);
 | |
| };
 | |
| 
 | |
| /* SoC card */
 | |
| struct snd_soc_card {
 | |
| 	const char *name;
 | |
| 	const char *long_name;
 | |
| 	const char *driver_name;
 | |
| 	struct device *dev;
 | |
| 	struct snd_card *snd_card;
 | |
| 	struct module *owner;
 | |
| 
 | |
| 	struct mutex mutex;
 | |
| 	struct mutex dapm_mutex;
 | |
| 
 | |
| 	bool instantiated;
 | |
| 
 | |
| 	int (*probe)(struct snd_soc_card *card);
 | |
| 	int (*late_probe)(struct snd_soc_card *card);
 | |
| 	int (*remove)(struct snd_soc_card *card);
 | |
| 
 | |
| 	/* 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. */
 | |
| 	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);
 | |
| 
 | |
| 	/* callbacks */
 | |
| 	int (*set_bias_level)(struct snd_soc_card *,
 | |
| 			      struct snd_soc_dapm_context *dapm,
 | |
| 			      enum snd_soc_bias_level level);
 | |
| 	int (*set_bias_level_post)(struct snd_soc_card *,
 | |
| 				   struct snd_soc_dapm_context *dapm,
 | |
| 				   enum snd_soc_bias_level level);
 | |
| 
 | |
| 	long pmdown_time;
 | |
| 
 | |
| 	/* CPU <--> Codec DAI links  */
 | |
| 	struct snd_soc_dai_link *dai_link;
 | |
| 	int num_links;
 | |
| 	struct snd_soc_pcm_runtime *rtd;
 | |
| 	int num_rtd;
 | |
| 
 | |
| 	/* optional codec specific configuration */
 | |
| 	struct snd_soc_codec_conf *codec_conf;
 | |
| 	int num_configs;
 | |
| 
 | |
| 	/*
 | |
| 	 * 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;
 | |
| 
 | |
| 	const struct snd_kcontrol_new *controls;
 | |
| 	int num_controls;
 | |
| 
 | |
| 	/*
 | |
| 	 * Card-specific routes and widgets.
 | |
| 	 */
 | |
| 	const struct snd_soc_dapm_widget *dapm_widgets;
 | |
| 	int num_dapm_widgets;
 | |
| 	const struct snd_soc_dapm_route *dapm_routes;
 | |
| 	int num_dapm_routes;
 | |
| 	bool fully_routed;
 | |
| 
 | |
| 	struct work_struct deferred_resume_work;
 | |
| 
 | |
| 	/* lists of probed devices belonging to this card */
 | |
| 	struct list_head codec_dev_list;
 | |
| 
 | |
| 	struct list_head widgets;
 | |
| 	struct list_head paths;
 | |
| 	struct list_head dapm_list;
 | |
| 	struct list_head dapm_dirty;
 | |
| 
 | |
| 	/* Generic DAPM context for the card */
 | |
| 	struct snd_soc_dapm_context dapm;
 | |
| 	struct snd_soc_dapm_stats dapm_stats;
 | |
| 	struct snd_soc_dapm_update *update;
 | |
| 
 | |
| #ifdef CONFIG_DEBUG_FS
 | |
| 	struct dentry *debugfs_card_root;
 | |
| 	struct dentry *debugfs_pop_time;
 | |
| #endif
 | |
| 	u32 pop_time;
 | |
| 
 | |
| 	void *drvdata;
 | |
| };
 | |
| 
 | |
| /* SoC machine DAI configuration, glues a codec and cpu DAI together */
 | |
| struct snd_soc_pcm_runtime {
 | |
| 	struct device *dev;
 | |
| 	struct snd_soc_card *card;
 | |
| 	struct snd_soc_dai_link *dai_link;
 | |
| 	struct mutex pcm_mutex;
 | |
| 	enum snd_soc_pcm_subclass pcm_subclass;
 | |
| 	struct snd_pcm_ops ops;
 | |
| 
 | |
| 	unsigned int dev_registered:1;
 | |
| 
 | |
| 	/* Dynamic PCM BE runtime data */
 | |
| 	struct snd_soc_dpcm_runtime dpcm[2];
 | |
| 	int fe_compr;
 | |
| 
 | |
| 	long pmdown_time;
 | |
| 	unsigned char pop_wait:1;
 | |
| 
 | |
| 	/* runtime devices */
 | |
| 	struct snd_pcm *pcm;
 | |
| 	struct snd_compr *compr;
 | |
| 	struct snd_soc_codec *codec;
 | |
| 	struct snd_soc_platform *platform;
 | |
| 	struct snd_soc_dai *codec_dai;
 | |
| 	struct snd_soc_dai *cpu_dai;
 | |
| 	struct snd_soc_component *component; /* Only valid for AUX dev rtds */
 | |
| 
 | |
| 	struct snd_soc_dai **codec_dais;
 | |
| 	unsigned int num_codecs;
 | |
| 
 | |
| 	struct delayed_work delayed_work;
 | |
| #ifdef CONFIG_DEBUG_FS
 | |
| 	struct dentry *debugfs_dpcm_root;
 | |
| 	struct dentry *debugfs_dpcm_state;
 | |
| #endif
 | |
| };
 | |
| 
 | |
| /* mixer control */
 | |
| struct soc_mixer_control {
 | |
| 	int min, max, platform_max;
 | |
| 	int reg, rreg;
 | |
| 	unsigned int shift, rshift;
 | |
| 	unsigned int sign_bit;
 | |
| 	unsigned int invert:1;
 | |
| 	unsigned int autodisable:1;
 | |
| };
 | |
| 
 | |
| struct soc_bytes {
 | |
| 	int base;
 | |
| 	int num_regs;
 | |
| 	u32 mask;
 | |
| };
 | |
| 
 | |
| struct soc_bytes_ext {
 | |
| 	int max;
 | |
| 	/* used for TLV byte control */
 | |
| 	int (*get)(unsigned int __user *bytes, unsigned int size);
 | |
| 	int (*put)(const unsigned int __user *bytes, unsigned int size);
 | |
| };
 | |
| 
 | |
| /* multi register control */
 | |
| struct soc_mreg_control {
 | |
| 	long min, max;
 | |
| 	unsigned int regbase, regcount, nbits, invert;
 | |
| };
 | |
| 
 | |
| /* enumerated kcontrol */
 | |
| struct soc_enum {
 | |
| 	int reg;
 | |
| 	unsigned char shift_l;
 | |
| 	unsigned char shift_r;
 | |
| 	unsigned int items;
 | |
| 	unsigned int mask;
 | |
| 	const char * const *texts;
 | |
| 	const unsigned int *values;
 | |
| };
 | |
| 
 | |
| /**
 | |
|  * 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);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
 | |
|  *  embedded in
 | |
|  * @dapm: The DAPM context to cast to the component
 | |
|  *
 | |
|  * This function must only be used on DAPM contexts that are known to be part of
 | |
|  * a component (e.g. in a component driver). Otherwise the behavior is
 | |
|  * undefined.
 | |
|  */
 | |
| static inline struct snd_soc_component *snd_soc_dapm_to_component(
 | |
| 	struct snd_soc_dapm_context *dapm)
 | |
| {
 | |
| 	return container_of(dapm, struct snd_soc_component, dapm);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
 | |
|  * @dapm: The DAPM context to cast to the CODEC
 | |
|  *
 | |
|  * This function must only be used on DAPM contexts that are known to be part of
 | |
|  * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined.
 | |
|  */
 | |
| static inline struct snd_soc_codec *snd_soc_dapm_to_codec(
 | |
| 	struct snd_soc_dapm_context *dapm)
 | |
| {
 | |
| 	return container_of(dapm, struct snd_soc_codec, dapm);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
 | |
|  *  embedded in
 | |
|  * @dapm: The DAPM context to cast to the platform.
 | |
|  *
 | |
|  * This function must only be used on DAPM contexts that are known to be part of
 | |
|  * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
 | |
|  */
 | |
| static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
 | |
| 	struct snd_soc_dapm_context *dapm)
 | |
| {
 | |
| 	return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
 | |
|  *  component
 | |
|  * @component: The component for which to get the DAPM context
 | |
|  */
 | |
| static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
 | |
| 	struct snd_soc_component *component)
 | |
| {
 | |
| 	return component->dapm_ptr;
 | |
| }
 | |
| 
 | |
| /* codec IO */
 | |
| unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
 | |
| int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
 | |
| 	unsigned int val);
 | |
| 
 | |
| /* component IO */
 | |
| int snd_soc_component_read(struct snd_soc_component *component,
 | |
| 	unsigned int reg, unsigned int *val);
 | |
| int snd_soc_component_write(struct snd_soc_component *component,
 | |
| 	unsigned int reg, unsigned int val);
 | |
| int snd_soc_component_update_bits(struct snd_soc_component *component,
 | |
| 	unsigned int reg, unsigned int mask, unsigned int val);
 | |
| int snd_soc_component_update_bits_async(struct snd_soc_component *component,
 | |
| 	unsigned int reg, unsigned int mask, unsigned int val);
 | |
| void snd_soc_component_async_complete(struct snd_soc_component *component);
 | |
| int snd_soc_component_test_bits(struct snd_soc_component *component,
 | |
| 	unsigned int reg, unsigned int mask, unsigned int value);
 | |
| 
 | |
| /* device driver data */
 | |
| 
 | |
| 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;
 | |
| }
 | |
| 
 | |
| static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
 | |
| 		void *data)
 | |
| {
 | |
| 	dev_set_drvdata(c->dev, data);
 | |
| }
 | |
| 
 | |
| static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
 | |
| {
 | |
| 	return dev_get_drvdata(c->dev);
 | |
| }
 | |
| 
 | |
| static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
 | |
| 		void *data)
 | |
| {
 | |
| 	snd_soc_component_set_drvdata(&codec->component, data);
 | |
| }
 | |
| 
 | |
| static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
 | |
| {
 | |
| 	return snd_soc_component_get_drvdata(&codec->component);
 | |
| }
 | |
| 
 | |
| static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
 | |
| 		void *data)
 | |
| {
 | |
| 	snd_soc_component_set_drvdata(&platform->component, data);
 | |
| }
 | |
| 
 | |
| static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
 | |
| {
 | |
| 	return snd_soc_component_get_drvdata(&platform->component);
 | |
| }
 | |
| 
 | |
| static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd,
 | |
| 		void *data)
 | |
| {
 | |
| 	dev_set_drvdata(rtd->dev, data);
 | |
| }
 | |
| 
 | |
| static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd)
 | |
| {
 | |
| 	return dev_get_drvdata(rtd->dev);
 | |
| }
 | |
| 
 | |
| static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
 | |
| {
 | |
| 	INIT_LIST_HEAD(&card->codec_dev_list);
 | |
| 	INIT_LIST_HEAD(&card->widgets);
 | |
| 	INIT_LIST_HEAD(&card->paths);
 | |
| 	INIT_LIST_HEAD(&card->dapm_list);
 | |
| }
 | |
| 
 | |
| 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;
 | |
| }
 | |
| 
 | |
| 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];
 | |
| }
 | |
| 
 | |
| static inline bool snd_soc_component_is_active(
 | |
| 	struct snd_soc_component *component)
 | |
| {
 | |
| 	return component->active != 0;
 | |
| }
 | |
| 
 | |
| static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec)
 | |
| {
 | |
| 	return snd_soc_component_is_active(&codec->component);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * snd_soc_kcontrol_component() - Returns the component that registered the
 | |
|  *  control
 | |
|  * @kcontrol: The control for which to get the component
 | |
|  *
 | |
|  * Note: This function will work correctly if the control has been registered
 | |
|  * for a component. Either with snd_soc_add_codec_controls() or
 | |
|  * snd_soc_add_platform_controls() or via  table based setup for either a
 | |
|  * CODEC, a platform or component driver. Otherwise the behavior is undefined.
 | |
|  */
 | |
| static inline struct snd_soc_component *snd_soc_kcontrol_component(
 | |
| 	struct snd_kcontrol *kcontrol)
 | |
| {
 | |
| 	return snd_kcontrol_chip(kcontrol);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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_platform *snd_soc_kcontrol_platform(
 | |
| 	struct snd_kcontrol *kcontrol)
 | |
| {
 | |
| 	return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
 | |
| }
 | |
| 
 | |
| int snd_soc_util_init(void);
 | |
| void snd_soc_util_exit(void);
 | |
| 
 | |
| int snd_soc_of_parse_card_name(struct snd_soc_card *card,
 | |
| 			       const char *propname);
 | |
| int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
 | |
| 					  const char *propname);
 | |
| int snd_soc_of_parse_tdm_slot(struct device_node *np,
 | |
| 			      unsigned int *slots,
 | |
| 			      unsigned int *slot_width);
 | |
| int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
 | |
| 				   const char *propname);
 | |
| unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
 | |
| 				     const char *prefix,
 | |
| 				     struct device_node **bitclkmaster,
 | |
| 				     struct device_node **framemaster);
 | |
| int snd_soc_of_get_dai_name(struct device_node *of_node,
 | |
| 			    const char **dai_name);
 | |
| 
 | |
| #include <sound/soc-dai.h>
 | |
| 
 | |
| #ifdef CONFIG_DEBUG_FS
 | |
| extern struct dentry *snd_soc_debugfs_root;
 | |
| #endif
 | |
| 
 | |
| extern const struct dev_pm_ops snd_soc_pm_ops;
 | |
| 
 | |
| /* 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);
 | |
| }
 | |
| 
 | |
| #endif
 | 
