1ef6ab75c7
The CPU and codec DAI operations differ only in the presence of the digital mute operation for the codec so they may as well be the same type. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
488 lines
15 KiB
C
488 lines
15 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/platform_device.h>
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#include <linux/types.h>
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#include <linux/workqueue.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/control.h>
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#include <sound/ac97_codec.h>
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#define SND_SOC_VERSION "0.13.2"
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/*
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* Convenience kcontrol builders
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*/
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#define SOC_SINGLE_VALUE(reg, shift, max, invert) ((reg) | ((shift) << 8) |\
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((shift) << 12) | ((max) << 16) | ((invert) << 24))
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#define SOC_SINGLE_VALUE_EXT(reg, max, invert) ((reg) | ((max) << 16) |\
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((invert) << 31))
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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) }
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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) }
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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 = (reg) | ((shift_left) << 8) | \
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((shift_right) << 12) | ((max) << 16) | ((invert) << 24) }
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#define SOC_DOUBLE_R(xname, reg_left, reg_right, shift, max, invert) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
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.info = snd_soc_info_volsw_2r, \
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.get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
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.private_value = (reg_left) | ((shift) << 8) | \
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((max) << 12) | ((invert) << 20) | ((reg_right) << 24) }
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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 = (reg) | ((shift_left) << 8) | \
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((shift_right) << 12) | ((max) << 16) | ((invert) << 24) }
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#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, 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_2r, \
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.get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \
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.private_value = (reg_left) | ((shift) << 8) | \
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((max) << 12) | ((invert) << 20) | ((reg_right) << 24) }
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#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xtexts) \
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{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
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.mask = xmask, .texts = xtexts }
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#define SOC_ENUM_SINGLE(xreg, xshift, xmask, xtexts) \
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SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xtexts)
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#define SOC_ENUM_SINGLE_EXT(xmask, xtexts) \
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{ .mask = xmask, .texts = 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, xmask, 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, xmask, 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_ext, \
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.get = xhandler_get, .put = xhandler_put, \
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.private_value = (unsigned long)&xenum }
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/*
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* Digital Audio Interface (DAI) types
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*/
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#define SND_SOC_DAI_AC97 0x1
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#define SND_SOC_DAI_I2S 0x2
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#define SND_SOC_DAI_PCM 0x4
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#define SND_SOC_DAI_AC97_BUS 0x8 /* for custom i.e. non ac97_codec.c */
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/*
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* DAI hardware audio formats
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*/
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#define SND_SOC_DAIFMT_I2S 0 /* I2S mode */
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#define SND_SOC_DAIFMT_RIGHT_J 1 /* Right justified mode */
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#define SND_SOC_DAIFMT_LEFT_J 2 /* Left Justified mode */
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#define SND_SOC_DAIFMT_DSP_A 3 /* L data msb after FRM or LRC */
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#define SND_SOC_DAIFMT_DSP_B 4 /* L data msb during FRM or LRC */
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#define SND_SOC_DAIFMT_AC97 5 /* AC97 */
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#define SND_SOC_DAIFMT_MSB SND_SOC_DAIFMT_LEFT_J
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#define SND_SOC_DAIFMT_LSB SND_SOC_DAIFMT_RIGHT_J
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/*
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* DAI Gating
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*/
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#define SND_SOC_DAIFMT_CONT (0 << 4) /* continuous clock */
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#define SND_SOC_DAIFMT_GATED (1 << 4) /* clock is gated when not Tx/Rx */
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/*
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* DAI Sync
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* Synchronous LR (Left Right) clocks and Frame signals.
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*/
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#define SND_SOC_DAIFMT_SYNC (0 << 5) /* Tx FRM = Rx FRM */
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#define SND_SOC_DAIFMT_ASYNC (1 << 5) /* Tx FRM ~ Rx FRM */
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/*
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* TDM
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*/
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#define SND_SOC_DAIFMT_TDM (1 << 6)
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/*
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* DAI hardware signal inversions
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*/
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#define SND_SOC_DAIFMT_NB_NF (0 << 8) /* normal bclk + frm */
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#define SND_SOC_DAIFMT_NB_IF (1 << 8) /* normal bclk + inv frm */
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#define SND_SOC_DAIFMT_IB_NF (2 << 8) /* invert bclk + nor frm */
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#define SND_SOC_DAIFMT_IB_IF (3 << 8) /* invert bclk + frm */
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/*
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* DAI hardware clock masters
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* This is wrt the codec, the inverse is true for the interface
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* i.e. if the codec is clk and frm master then the interface is
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* clk and frame slave.
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*/
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#define SND_SOC_DAIFMT_CBM_CFM (0 << 12) /* codec clk & frm master */
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#define SND_SOC_DAIFMT_CBS_CFM (1 << 12) /* codec clk slave & frm master */
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#define SND_SOC_DAIFMT_CBM_CFS (2 << 12) /* codec clk master & frame slave */
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#define SND_SOC_DAIFMT_CBS_CFS (3 << 12) /* codec clk & frm slave */
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#define SND_SOC_DAIFMT_FORMAT_MASK 0x000f
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#define SND_SOC_DAIFMT_CLOCK_MASK 0x00f0
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#define SND_SOC_DAIFMT_INV_MASK 0x0f00
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#define SND_SOC_DAIFMT_MASTER_MASK 0xf000
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/*
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* Master Clock Directions
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*/
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#define SND_SOC_CLOCK_IN 0
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#define SND_SOC_CLOCK_OUT 1
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/*
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* AC97 codec ID's bitmask
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*/
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#define SND_SOC_DAI_AC97_ID0 (1 << 0)
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#define SND_SOC_DAI_AC97_ID1 (1 << 1)
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#define SND_SOC_DAI_AC97_ID2 (1 << 2)
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#define SND_SOC_DAI_AC97_ID3 (1 << 3)
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struct snd_soc_device;
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struct snd_soc_pcm_stream;
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struct snd_soc_ops;
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struct snd_soc_dai_mode;
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struct snd_soc_pcm_runtime;
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struct snd_soc_codec_dai;
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struct snd_soc_cpu_dai;
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struct snd_soc_codec;
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struct snd_soc_machine_config;
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struct soc_enum;
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struct snd_soc_ac97_ops;
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struct snd_soc_clock_info;
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typedef int (*hw_write_t)(void *,const char* ,int);
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typedef int (*hw_read_t)(void *,char* ,int);
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extern struct snd_ac97_bus_ops soc_ac97_ops;
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/* pcm <-> DAI connect */
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void snd_soc_free_pcms(struct snd_soc_device *socdev);
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int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid);
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int snd_soc_register_card(struct snd_soc_device *socdev);
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/* set runtime hw params */
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int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
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const struct snd_pcm_hardware *hw);
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/* codec IO */
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#define snd_soc_read(codec, reg) codec->read(codec, reg)
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#define snd_soc_write(codec, reg, value) codec->write(codec, reg, value)
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/* codec register bit access */
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int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
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unsigned short mask, unsigned short value);
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int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
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unsigned short mask, unsigned short value);
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int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
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struct snd_ac97_bus_ops *ops, int num);
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void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);
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/*
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*Controls
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*/
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struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
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void *data, char *long_name);
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int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo);
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int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo);
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int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo);
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int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo);
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#define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
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int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo);
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int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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/* SoC PCM stream information */
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struct snd_soc_pcm_stream {
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char *stream_name;
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u64 formats; /* SNDRV_PCM_FMTBIT_* */
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unsigned int rates; /* SNDRV_PCM_RATE_* */
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unsigned int rate_min; /* min rate */
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unsigned int rate_max; /* max rate */
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unsigned int channels_min; /* min channels */
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unsigned int channels_max; /* max channels */
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unsigned int active:1; /* stream is in use */
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};
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/* SoC audio ops */
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struct snd_soc_ops {
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int (*startup)(struct snd_pcm_substream *);
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void (*shutdown)(struct snd_pcm_substream *);
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int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
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int (*hw_free)(struct snd_pcm_substream *);
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int (*prepare)(struct snd_pcm_substream *);
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int (*trigger)(struct snd_pcm_substream *, int);
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};
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/* ASoC DAI ops */
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struct snd_soc_dai_ops {
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/* DAI clocking configuration */
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int (*set_sysclk)(struct snd_soc_codec_dai *codec_dai,
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int clk_id, unsigned int freq, int dir);
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int (*set_pll)(struct snd_soc_codec_dai *codec_dai,
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int pll_id, unsigned int freq_in, unsigned int freq_out);
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int (*set_clkdiv)(struct snd_soc_codec_dai *codec_dai,
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int div_id, int div);
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/* DAI format configuration */
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int (*set_fmt)(struct snd_soc_codec_dai *codec_dai,
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unsigned int fmt);
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int (*set_tdm_slot)(struct snd_soc_codec_dai *codec_dai,
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unsigned int mask, int slots);
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int (*set_tristate)(struct snd_soc_codec_dai *, int tristate);
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/* digital mute */
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int (*digital_mute)(struct snd_soc_codec_dai *, int mute);
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};
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/* SoC Codec DAI */
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struct snd_soc_codec_dai {
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char *name;
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int id;
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unsigned char type;
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/* DAI capabilities */
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struct snd_soc_pcm_stream playback;
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struct snd_soc_pcm_stream capture;
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/* DAI runtime info */
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struct snd_soc_codec *codec;
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unsigned int active;
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unsigned char pop_wait:1;
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/* ops */
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struct snd_soc_ops ops;
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struct snd_soc_dai_ops dai_ops;
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/* DAI private data */
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void *private_data;
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};
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/* SoC CPU DAI */
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struct snd_soc_cpu_dai {
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/* DAI description */
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char *name;
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unsigned int id;
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unsigned char type;
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/* DAI callbacks */
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int (*probe)(struct platform_device *pdev);
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void (*remove)(struct platform_device *pdev);
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int (*suspend)(struct platform_device *pdev,
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struct snd_soc_cpu_dai *cpu_dai);
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int (*resume)(struct platform_device *pdev,
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struct snd_soc_cpu_dai *cpu_dai);
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/* ops */
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struct snd_soc_ops ops;
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struct snd_soc_dai_ops dai_ops;
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/* DAI capabilities */
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struct snd_soc_pcm_stream capture;
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struct snd_soc_pcm_stream playback;
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/* DAI runtime info */
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struct snd_pcm_runtime *runtime;
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unsigned char active:1;
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void *dma_data;
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/* DAI private data */
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void *private_data;
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};
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/* SoC Audio Codec */
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struct snd_soc_codec {
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char *name;
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struct module *owner;
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struct mutex mutex;
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/* callbacks */
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int (*dapm_event)(struct snd_soc_codec *codec, int event);
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/* runtime */
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struct snd_card *card;
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struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
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unsigned int active;
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unsigned int pcm_devs;
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void *private_data;
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/* codec IO */
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void *control_data; /* codec control (i2c/3wire) data */
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unsigned int (*read)(struct snd_soc_codec *, unsigned int);
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int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
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hw_write_t hw_write;
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hw_read_t hw_read;
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void *reg_cache;
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short reg_cache_size;
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short reg_cache_step;
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/* dapm */
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struct list_head dapm_widgets;
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struct list_head dapm_paths;
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unsigned int dapm_state;
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unsigned int suspend_dapm_state;
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struct delayed_work delayed_work;
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/* codec DAI's */
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struct snd_soc_codec_dai *dai;
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unsigned int num_dai;
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};
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/* codec device */
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struct snd_soc_codec_device {
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int (*probe)(struct platform_device *pdev);
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int (*remove)(struct platform_device *pdev);
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int (*suspend)(struct platform_device *pdev, pm_message_t state);
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int (*resume)(struct platform_device *pdev);
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};
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/* SoC platform interface */
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struct snd_soc_platform {
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char *name;
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int (*probe)(struct platform_device *pdev);
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int (*remove)(struct platform_device *pdev);
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int (*suspend)(struct platform_device *pdev,
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struct snd_soc_cpu_dai *cpu_dai);
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int (*resume)(struct platform_device *pdev,
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struct snd_soc_cpu_dai *cpu_dai);
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/* pcm creation and destruction */
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int (*pcm_new)(struct snd_card *, struct snd_soc_codec_dai *,
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struct snd_pcm *);
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void (*pcm_free)(struct snd_pcm *);
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/* platform stream ops */
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struct snd_pcm_ops *pcm_ops;
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};
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/* SoC machine DAI configuration, glues a codec and cpu DAI together */
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struct snd_soc_dai_link {
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char *name; /* Codec name */
|
|
char *stream_name; /* Stream name */
|
|
|
|
/* DAI */
|
|
struct snd_soc_codec_dai *codec_dai;
|
|
struct snd_soc_cpu_dai *cpu_dai;
|
|
|
|
/* machine stream operations */
|
|
struct snd_soc_ops *ops;
|
|
|
|
/* codec/machine specific init - e.g. add machine controls */
|
|
int (*init)(struct snd_soc_codec *codec);
|
|
|
|
/* DAI pcm */
|
|
struct snd_pcm *pcm;
|
|
};
|
|
|
|
/* SoC machine */
|
|
struct snd_soc_machine {
|
|
char *name;
|
|
|
|
int (*probe)(struct platform_device *pdev);
|
|
int (*remove)(struct platform_device *pdev);
|
|
|
|
/* 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 platform_device *pdev, pm_message_t state);
|
|
int (*suspend_post)(struct platform_device *pdev, pm_message_t state);
|
|
int (*resume_pre)(struct platform_device *pdev);
|
|
int (*resume_post)(struct platform_device *pdev);
|
|
|
|
/* callbacks */
|
|
int (*dapm_event)(struct snd_soc_machine *, int event);
|
|
|
|
/* CPU <--> Codec DAI links */
|
|
struct snd_soc_dai_link *dai_link;
|
|
int num_links;
|
|
};
|
|
|
|
/* SoC Device - the audio subsystem */
|
|
struct snd_soc_device {
|
|
struct device *dev;
|
|
struct snd_soc_machine *machine;
|
|
struct snd_soc_platform *platform;
|
|
struct snd_soc_codec *codec;
|
|
struct snd_soc_codec_device *codec_dev;
|
|
struct delayed_work delayed_work;
|
|
void *codec_data;
|
|
};
|
|
|
|
/* runtime channel data */
|
|
struct snd_soc_pcm_runtime {
|
|
struct snd_soc_dai_link *dai;
|
|
struct snd_soc_device *socdev;
|
|
};
|
|
|
|
/* enumerated kcontrol */
|
|
struct soc_enum {
|
|
unsigned short reg;
|
|
unsigned short reg2;
|
|
unsigned char shift_l;
|
|
unsigned char shift_r;
|
|
unsigned int mask;
|
|
const char **texts;
|
|
void *dapm;
|
|
};
|
|
|
|
#endif
|