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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
188 lines
9.7 KiB
C
188 lines
9.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef __SOUND_CS8427_H
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#define __SOUND_CS8427_H
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/*
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* Routines for Cirrus Logic CS8427
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* Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
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*/
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#include <sound/i2c.h>
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#define CS8427_BASE_ADDR 0x10 /* base I2C address */
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#define CS8427_REG_AUTOINC 0x80 /* flag - autoincrement */
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#define CS8427_REG_CONTROL1 0x01
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#define CS8427_REG_CONTROL2 0x02
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#define CS8427_REG_DATAFLOW 0x03
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#define CS8427_REG_CLOCKSOURCE 0x04
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#define CS8427_REG_SERIALINPUT 0x05
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#define CS8427_REG_SERIALOUTPUT 0x06
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#define CS8427_REG_INT1STATUS 0x07
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#define CS8427_REG_INT2STATUS 0x08
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#define CS8427_REG_INT1MASK 0x09
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#define CS8427_REG_INT1MODEMSB 0x0a
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#define CS8427_REG_INT1MODELSB 0x0b
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#define CS8427_REG_INT2MASK 0x0c
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#define CS8427_REG_INT2MODEMSB 0x0d
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#define CS8427_REG_INT2MODELSB 0x0e
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#define CS8427_REG_RECVCSDATA 0x0f
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#define CS8427_REG_RECVERRORS 0x10
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#define CS8427_REG_RECVERRMASK 0x11
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#define CS8427_REG_CSDATABUF 0x12
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#define CS8427_REG_UDATABUF 0x13
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#define CS8427_REG_QSUBCODE 0x14 /* 0x14-0x1d (10 bytes) */
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#define CS8427_REG_OMCKRMCKRATIO 0x1e
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#define CS8427_REG_CORU_DATABUF 0x20 /* 24 byte buffer area */
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#define CS8427_REG_ID_AND_VER 0x7f
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/* CS8427_REG_CONTROL1 bits */
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#define CS8427_SWCLK (1<<7) /* 0 = RMCK default, 1 = OMCK output on RMCK pin */
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#define CS8427_VSET (1<<6) /* 0 = valid PCM data, 1 = invalid PCM data */
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#define CS8427_MUTESAO (1<<5) /* mute control for the serial audio output port, 0 = disabled, 1 = enabled */
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#define CS8427_MUTEAES (1<<4) /* mute control for the AES transmitter output, 0 = disabled, 1 = enabled */
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#define CS8427_INTMASK (3<<1) /* interrupt output pin setup mask */
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#define CS8427_INTACTHIGH (0<<1) /* active high */
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#define CS8427_INTACTLOW (1<<1) /* active low */
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#define CS8427_INTOPENDRAIN (2<<1) /* open drain, active low */
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#define CS8427_TCBLDIR (1<<0) /* 0 = TCBL is an input, 1 = TCBL is an output */
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/* CS8427_REQ_CONTROL2 bits */
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#define CS8427_HOLDMASK (3<<5) /* action when a receiver error occurs */
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#define CS8427_HOLDLASTSAMPLE (0<<5) /* hold the last valid sample */
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#define CS8427_HOLDZERO (1<<5) /* replace the current audio sample with zero (mute) */
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#define CS8427_HOLDNOCHANGE (2<<5) /* do not change the received audio sample */
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#define CS8427_RMCKF (1<<4) /* 0 = 256*Fsi, 1 = 128*Fsi */
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#define CS8427_MMR (1<<3) /* AES3 receiver operation, 0 = stereo, 1 = mono */
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#define CS8427_MMT (1<<2) /* AES3 transmitter operation, 0 = stereo, 1 = mono */
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#define CS8427_MMTCS (1<<1) /* 0 = use A + B CS data, 1 = use MMTLR CS data */
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#define CS8427_MMTLR (1<<0) /* 0 = use A CS data, 1 = use B CS data */
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/* CS8427_REG_DATAFLOW */
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#define CS8427_TXOFF (1<<6) /* AES3 transmitter Output, 0 = normal operation, 1 = off (0V) */
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#define CS8427_AESBP (1<<5) /* AES3 hardware bypass mode, 0 = normal, 1 = bypass (RX->TX) */
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#define CS8427_TXDMASK (3<<3) /* AES3 Transmitter Data Source Mask */
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#define CS8427_TXDSERIAL (1<<3) /* TXD - serial audio input port */
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#define CS8427_TXAES3DRECEIVER (2<<3) /* TXD - AES3 receiver */
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#define CS8427_SPDMASK (3<<1) /* Serial Audio Output Port Data Source Mask */
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#define CS8427_SPDSERIAL (1<<1) /* SPD - serial audio input port */
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#define CS8427_SPDAES3RECEIVER (2<<1) /* SPD - AES3 receiver */
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/* CS8427_REG_CLOCKSOURCE */
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#define CS8427_RUN (1<<6) /* 0 = clock off, 1 = clock on */
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#define CS8427_CLKMASK (3<<4) /* OMCK frequency mask */
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#define CS8427_CLK256 (0<<4) /* 256*Fso */
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#define CS8427_CLK384 (1<<4) /* 384*Fso */
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#define CS8427_CLK512 (2<<4) /* 512*Fso */
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#define CS8427_OUTC (1<<3) /* Output Time Base, 0 = OMCK, 1 = recovered input clock */
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#define CS8427_INC (1<<2) /* Input Time Base Clock Source, 0 = recoverd input clock, 1 = OMCK input pin */
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#define CS8427_RXDMASK (3<<0) /* Recovered Input Clock Source Mask */
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#define CS8427_RXDILRCK (0<<0) /* 256*Fsi from ILRCK pin */
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#define CS8427_RXDAES3INPUT (1<<0) /* 256*Fsi from AES3 input */
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#define CS8427_EXTCLOCKRESET (2<<0) /* bypass PLL, 256*Fsi clock, synchronous reset */
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#define CS8427_EXTCLOCK (3<<0) /* bypass PLL, 256*Fsi clock */
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/* CS8427_REG_SERIALINPUT */
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#define CS8427_SIMS (1<<7) /* 0 = slave, 1 = master mode */
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#define CS8427_SISF (1<<6) /* ISCLK freq, 0 = 64*Fsi, 1 = 128*Fsi */
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#define CS8427_SIRESMASK (3<<4) /* Resolution of the input data for right justified formats */
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#define CS8427_SIRES24 (0<<4) /* SIRES 24-bit */
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#define CS8427_SIRES20 (1<<4) /* SIRES 20-bit */
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#define CS8427_SIRES16 (2<<4) /* SIRES 16-bit */
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#define CS8427_SIJUST (1<<3) /* Justification of SDIN data relative to ILRCK, 0 = left-justified, 1 = right-justified */
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#define CS8427_SIDEL (1<<2) /* Delay of SDIN data relative to ILRCK for left-justified data formats, 0 = first ISCLK period, 1 = second ISCLK period */
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#define CS8427_SISPOL (1<<1) /* ICLK clock polarity, 0 = rising edge of ISCLK, 1 = falling edge of ISCLK */
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#define CS8427_SILRPOL (1<<0) /* ILRCK clock polarity, 0 = SDIN data left channel when ILRCK is high, 1 = SDIN right when ILRCK is high */
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/* CS8427_REG_SERIALOUTPUT */
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#define CS8427_SOMS (1<<7) /* 0 = slave, 1 = master mode */
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#define CS8427_SOSF (1<<6) /* OSCLK freq, 0 = 64*Fso, 1 = 128*Fso */
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#define CS8427_SORESMASK (3<<4) /* Resolution of the output data on SDOUT and AES3 output */
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#define CS8427_SORES24 (0<<4) /* SIRES 24-bit */
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#define CS8427_SORES20 (1<<4) /* SIRES 20-bit */
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#define CS8427_SORES16 (2<<4) /* SIRES 16-bit */
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#define CS8427_SORESDIRECT (2<<4) /* SIRES direct copy from AES3 receiver */
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#define CS8427_SOJUST (1<<3) /* Justification of SDOUT data relative to OLRCK, 0 = left-justified, 1 = right-justified */
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#define CS8427_SODEL (1<<2) /* Delay of SDOUT data relative to OLRCK for left-justified data formats, 0 = first OSCLK period, 1 = second OSCLK period */
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#define CS8427_SOSPOL (1<<1) /* OSCLK clock polarity, 0 = rising edge of ISCLK, 1 = falling edge of ISCLK */
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#define CS8427_SOLRPOL (1<<0) /* OLRCK clock polarity, 0 = SDOUT data left channel when OLRCK is high, 1 = SDOUT right when OLRCK is high */
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/* CS8427_REG_INT1STATUS */
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#define CS8427_TSLIP (1<<7) /* AES3 transmitter source data slip interrupt */
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#define CS8427_OSLIP (1<<6) /* Serial audio output port data slip interrupt */
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#define CS8427_DETC (1<<2) /* D to E C-buffer transfer interrupt */
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#define CS8427_EFTC (1<<1) /* E to F C-buffer transfer interrupt */
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#define CS8427_RERR (1<<0) /* A receiver error has occurred */
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/* CS8427_REG_INT2STATUS */
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#define CS8427_DETU (1<<3) /* D to E U-buffer transfer interrupt */
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#define CS8427_EFTU (1<<2) /* E to F U-buffer transfer interrupt */
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#define CS8427_QCH (1<<1) /* A new block of Q-subcode data is available for reading */
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/* CS8427_REG_INT1MODEMSB && CS8427_REG_INT1MODELSB */
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/* bits are defined in CS8427_REG_INT1STATUS */
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/* CS8427_REG_INT2MODEMSB && CS8427_REG_INT2MODELSB */
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/* bits are defined in CS8427_REG_INT2STATUS */
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#define CS8427_INTMODERISINGMSB 0
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#define CS8427_INTMODERESINGLSB 0
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#define CS8427_INTMODEFALLINGMSB 0
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#define CS8427_INTMODEFALLINGLSB 1
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#define CS8427_INTMODELEVELMSB 1
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#define CS8427_INTMODELEVELLSB 0
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/* CS8427_REG_RECVCSDATA */
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#define CS8427_AUXMASK (15<<4) /* auxiliary data field width */
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#define CS8427_AUXSHIFT 4
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#define CS8427_PRO (1<<3) /* Channel status block format indicator */
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#define CS8427_AUDIO (1<<2) /* Audio indicator (0 = audio, 1 = nonaudio */
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#define CS8427_COPY (1<<1) /* 0 = copyright asserted, 1 = copyright not asserted */
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#define CS8427_ORIG (1<<0) /* SCMS generation indicator, 0 = 1st generation or highter, 1 = original */
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/* CS8427_REG_RECVERRORS */
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/* CS8427_REG_RECVERRMASK for CS8427_RERR */
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#define CS8427_QCRC (1<<6) /* Q-subcode data CRC error indicator */
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#define CS8427_CCRC (1<<5) /* Chancnel Status Block Cyclick Redundancy Check Bit */
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#define CS8427_UNLOCK (1<<4) /* PLL lock status bit */
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#define CS8427_V (1<<3) /* 0 = valid data */
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#define CS8427_CONF (1<<2) /* Confidence bit */
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#define CS8427_BIP (1<<1) /* Bi-phase error bit */
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#define CS8427_PAR (1<<0) /* Parity error */
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/* CS8427_REG_CSDATABUF */
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#define CS8427_BSEL (1<<5) /* 0 = CS data, 1 = U data */
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#define CS8427_CBMR (1<<4) /* 0 = overwrite first 5 bytes for CS D to E buffer, 1 = prevent */
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#define CS8427_DETCI (1<<3) /* D to E CS data buffer transfer inhibit bit, 0 = allow, 1 = inhibit */
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#define CS8427_EFTCI (1<<2) /* E to F CS data buffer transfer inhibit bit, 0 = allow, 1 = inhibit */
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#define CS8427_CAM (1<<1) /* CS data buffer control port access mode bit, 0 = one byte, 1 = two byte */
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#define CS8427_CHS (1<<0) /* Channel select bit, 0 = Channel A, 1 = Channel B */
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/* CS8427_REG_UDATABUF */
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#define CS8427_UD (1<<4) /* User data pin (U) direction, 0 = input, 1 = output */
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#define CS8427_UBMMASK (3<<2) /* Operating mode of the AES3 U bit manager */
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#define CS8427_UBMZEROS (0<<2) /* transmit all zeros mode */
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#define CS8427_UBMBLOCK (1<<2) /* block mode */
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#define CS8427_DETUI (1<<1) /* D to E U-data buffer transfer inhibit bit, 0 = allow, 1 = inhibit */
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#define CS8427_EFTUI (1<<1) /* E to F U-data buffer transfer inhibit bit, 0 = allow, 1 = inhibit */
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/* CS8427_REG_ID_AND_VER */
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#define CS8427_IDMASK (15<<4)
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#define CS8427_IDSHIFT 4
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#define CS8427_VERMASK (15<<0)
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#define CS8427_VERSHIFT 0
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#define CS8427_VER8427A 0x71
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struct snd_pcm_substream;
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int snd_cs8427_init(struct snd_i2c_bus *bus, struct snd_i2c_device *device);
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int snd_cs8427_create(struct snd_i2c_bus *bus, unsigned char addr,
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unsigned int reset_timeout, struct snd_i2c_device **r_cs8427);
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int snd_cs8427_reg_write(struct snd_i2c_device *device, unsigned char reg,
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unsigned char val);
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int snd_cs8427_iec958_build(struct snd_i2c_device *cs8427,
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struct snd_pcm_substream *playback_substream,
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struct snd_pcm_substream *capture_substream);
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int snd_cs8427_iec958_active(struct snd_i2c_device *cs8427, int active);
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int snd_cs8427_iec958_pcm(struct snd_i2c_device *cs8427, unsigned int rate);
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#endif /* __SOUND_CS8427_H */
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