1541 lines
52 KiB
C
1541 lines
52 KiB
C
/*
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* 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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*/
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#ifndef __LINUX_SND_SOC_H
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#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 <linux/async.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) }
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#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_MULTI_EXT(xname, xreg, xshift, xmax, xinvert, xcount,\
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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_multi_ext, \
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.get = xhandler_get, .put = xhandler_put, \
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.private_value = (unsigned long)&(struct soc_multi_mixer_control) \
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{.reg = xreg, .shift = xshift, .rshift = xshift, .max = xmax, \
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.count = xcount, .platform_max = xmax, .invert = xinvert} }
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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) }
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#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) }
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#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 }
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#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 }
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#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 }) }
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#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 = \
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((unsigned long)&(struct soc_bytes) \
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{.base = xbase, .num_regs = xregs, \
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.mask = xmask }) }
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#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) \
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{.max = xcount} }
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#define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
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{ .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, \
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.private_value = (unsigned long)&(struct soc_bytes_ext) \
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{.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
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#define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
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xmin, xmax, xinvert) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
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.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) \
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{.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
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.invert = xinvert, .min = xmin, .max = xmax} }
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#define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
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SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
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snd_soc_get_strobe, snd_soc_put_strobe)
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/*
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* Simplified versions of above macros, declaring a struct and calculating
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* ARRAY_SIZE internally
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*/
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#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
|
|
|
|
/* DAI Link Host Mode Support */
|
|
#define SND_SOC_DAI_LINK_NO_HOST 0x1
|
|
#define SND_SOC_DAI_LINK_OPT_HOST 0x2
|
|
|
|
/*
|
|
* 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_codec_volatile_register(struct snd_soc_codec *codec,
|
|
unsigned int reg);
|
|
int snd_soc_codec_readable_register(struct snd_soc_codec *codec,
|
|
unsigned int reg);
|
|
int snd_soc_codec_writable_register(struct snd_soc_codec *codec,
|
|
unsigned int reg);
|
|
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);
|
|
|
|
void snd_soc_card_change_online_state(struct snd_soc_card *soc_card,
|
|
int online);
|
|
|
|
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);
|
|
int snd_soc_info_multi_ext(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo);
|
|
|
|
/**
|
|
* 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 */
|
|
const char *aif_name; /* DAPM AIF widget name */
|
|
};
|
|
|
|
/* 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;
|
|
int (*volatile_register)(struct snd_soc_codec *, unsigned int);
|
|
int (*readable_register)(struct snd_soc_codec *, unsigned int);
|
|
int (*writable_register)(struct snd_soc_codec *, unsigned int);
|
|
|
|
/* 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);
|
|
int (*display_register)(struct snd_soc_codec *, char *,
|
|
size_t, unsigned int);
|
|
int (*volatile_register)(struct snd_soc_codec *, unsigned int);
|
|
int (*readable_register)(struct snd_soc_codec *, unsigned int);
|
|
int (*writable_register)(struct snd_soc_codec *, 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 *);
|
|
|
|
/*
|
|
* For platform-caused delay reporting, where the thread blocks waiting
|
|
* for the delay amount to be determined. Defining this will cause the
|
|
* ASoC core to skip calling the delay callbacks for all components in
|
|
* the runtime.
|
|
* Optional.
|
|
*/
|
|
snd_pcm_sframes_t (*delay_blk)(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;
|
|
};
|
|
|
|
enum snd_soc_async_ops {
|
|
ASYNC_DPCM_SND_SOC_OPEN = 1 << 0,
|
|
ASYNC_DPCM_SND_SOC_CLOSE = 1 << 1,
|
|
ASYNC_DPCM_SND_SOC_PREPARE = 1 << 2,
|
|
ASYNC_DPCM_SND_SOC_HW_PARAMS = 1 << 3,
|
|
ASYNC_DPCM_SND_SOC_FREE = 1 << 4,
|
|
};
|
|
|
|
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;
|
|
|
|
/* This DAI can support no host IO (no pcm data is copied to from host) */
|
|
unsigned int no_host_mode:2;
|
|
|
|
/* 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;
|
|
|
|
/* this value determines what all ops can be started asynchronously */
|
|
enum snd_soc_async_ops async_ops;
|
|
};
|
|
|
|
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;
|
|
struct mutex dapm_power_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;
|
|
|
|
/* err in case of ops failed */
|
|
int err_ops;
|
|
/* 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;
|
|
};
|
|
|
|
struct soc_multi_mixer_control {
|
|
int min, max, platform_max, count;
|
|
unsigned int reg, rreg, shift, rshift, 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);
|
|
struct snd_soc_component *soc_find_component(
|
|
const struct device_node *of_node, const char *name);
|
|
|
|
/* 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
|