c354b54cfd
The WM8741 DAC supports several differential output modes (stereo, stereo reversed, mono left, mono right). Add platform data and DT bindings to configure it. Signed-off-by: Sergej Sawazki <ce3a@gmx.de> Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@kernel.org>
221 lines
11 KiB
C
221 lines
11 KiB
C
/*
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* wm8741.h -- WM8423 ASoC driver
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*
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* Copyright 2010 Wolfson Microelectronics, plc
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*
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* Author: Ian Lartey <ian@opensource.wolfsonmicro.com>
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*
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* Based on wm8753.h
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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 _WM8741_H
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#define _WM8741_H
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/*
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* Register values.
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*/
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#define WM8741_DACLLSB_ATTENUATION 0x00
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#define WM8741_DACLMSB_ATTENUATION 0x01
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#define WM8741_DACRLSB_ATTENUATION 0x02
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#define WM8741_DACRMSB_ATTENUATION 0x03
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#define WM8741_VOLUME_CONTROL 0x04
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#define WM8741_FORMAT_CONTROL 0x05
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#define WM8741_FILTER_CONTROL 0x06
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#define WM8741_MODE_CONTROL_1 0x07
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#define WM8741_MODE_CONTROL_2 0x08
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#define WM8741_RESET 0x09
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#define WM8741_ADDITIONAL_CONTROL_1 0x20
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#define WM8741_REGISTER_COUNT 11
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#define WM8741_MAX_REGISTER 0x20
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/*
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* Field Definitions.
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*/
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/*
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* R0 (0x00) - DACLLSB_ATTENUATION
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*/
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#define WM8741_UPDATELL 0x0020 /* UPDATELL */
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#define WM8741_UPDATELL_MASK 0x0020 /* UPDATELL */
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#define WM8741_UPDATELL_SHIFT 5 /* UPDATELL */
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#define WM8741_UPDATELL_WIDTH 1 /* UPDATELL */
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#define WM8741_LAT_4_0_MASK 0x001F /* LAT[4:0] - [4:0] */
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#define WM8741_LAT_4_0_SHIFT 0 /* LAT[4:0] - [4:0] */
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#define WM8741_LAT_4_0_WIDTH 5 /* LAT[4:0] - [4:0] */
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/*
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* R1 (0x01) - DACLMSB_ATTENUATION
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*/
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#define WM8741_UPDATELM 0x0020 /* UPDATELM */
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#define WM8741_UPDATELM_MASK 0x0020 /* UPDATELM */
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#define WM8741_UPDATELM_SHIFT 5 /* UPDATELM */
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#define WM8741_UPDATELM_WIDTH 1 /* UPDATELM */
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#define WM8741_LAT_9_5_0_MASK 0x001F /* LAT[9:5] - [4:0] */
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#define WM8741_LAT_9_5_0_SHIFT 0 /* LAT[9:5] - [4:0] */
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#define WM8741_LAT_9_5_0_WIDTH 5 /* LAT[9:5] - [4:0] */
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/*
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* R2 (0x02) - DACRLSB_ATTENUATION
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*/
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#define WM8741_UPDATERL 0x0020 /* UPDATERL */
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#define WM8741_UPDATERL_MASK 0x0020 /* UPDATERL */
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#define WM8741_UPDATERL_SHIFT 5 /* UPDATERL */
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#define WM8741_UPDATERL_WIDTH 1 /* UPDATERL */
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#define WM8741_RAT_4_0_MASK 0x001F /* RAT[4:0] - [4:0] */
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#define WM8741_RAT_4_0_SHIFT 0 /* RAT[4:0] - [4:0] */
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#define WM8741_RAT_4_0_WIDTH 5 /* RAT[4:0] - [4:0] */
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/*
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* R3 (0x03) - DACRMSB_ATTENUATION
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*/
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#define WM8741_UPDATERM 0x0020 /* UPDATERM */
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#define WM8741_UPDATERM_MASK 0x0020 /* UPDATERM */
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#define WM8741_UPDATERM_SHIFT 5 /* UPDATERM */
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#define WM8741_UPDATERM_WIDTH 1 /* UPDATERM */
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#define WM8741_RAT_9_5_0_MASK 0x001F /* RAT[9:5] - [4:0] */
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#define WM8741_RAT_9_5_0_SHIFT 0 /* RAT[9:5] - [4:0] */
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#define WM8741_RAT_9_5_0_WIDTH 5 /* RAT[9:5] - [4:0] */
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/*
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* R4 (0x04) - VOLUME_CONTROL
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*/
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#define WM8741_AMUTE 0x0080 /* AMUTE */
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#define WM8741_AMUTE_MASK 0x0080 /* AMUTE */
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#define WM8741_AMUTE_SHIFT 7 /* AMUTE */
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#define WM8741_AMUTE_WIDTH 1 /* AMUTE */
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#define WM8741_ZFLAG_MASK 0x0060 /* ZFLAG - [6:5] */
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#define WM8741_ZFLAG_SHIFT 5 /* ZFLAG - [6:5] */
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#define WM8741_ZFLAG_WIDTH 2 /* ZFLAG - [6:5] */
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#define WM8741_IZD 0x0010 /* IZD */
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#define WM8741_IZD_MASK 0x0010 /* IZD */
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#define WM8741_IZD_SHIFT 4 /* IZD */
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#define WM8741_IZD_WIDTH 1 /* IZD */
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#define WM8741_SOFT 0x0008 /* SOFT MUTE */
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#define WM8741_SOFT_MASK 0x0008 /* SOFT MUTE */
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#define WM8741_SOFT_SHIFT 3 /* SOFT MUTE */
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#define WM8741_SOFT_WIDTH 1 /* SOFT MUTE */
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#define WM8741_ATC 0x0004 /* ATC */
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#define WM8741_ATC_MASK 0x0004 /* ATC */
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#define WM8741_ATC_SHIFT 2 /* ATC */
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#define WM8741_ATC_WIDTH 1 /* ATC */
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#define WM8741_ATT2DB 0x0002 /* ATT2DB */
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#define WM8741_ATT2DB_MASK 0x0002 /* ATT2DB */
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#define WM8741_ATT2DB_SHIFT 1 /* ATT2DB */
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#define WM8741_ATT2DB_WIDTH 1 /* ATT2DB */
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#define WM8741_VOL_RAMP 0x0001 /* VOL_RAMP */
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#define WM8741_VOL_RAMP_MASK 0x0001 /* VOL_RAMP */
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#define WM8741_VOL_RAMP_SHIFT 0 /* VOL_RAMP */
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#define WM8741_VOL_RAMP_WIDTH 1 /* VOL_RAMP */
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/*
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* R5 (0x05) - FORMAT_CONTROL
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*/
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#define WM8741_PWDN 0x0080 /* PWDN */
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#define WM8741_PWDN_MASK 0x0080 /* PWDN */
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#define WM8741_PWDN_SHIFT 7 /* PWDN */
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#define WM8741_PWDN_WIDTH 1 /* PWDN */
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#define WM8741_REV 0x0040 /* REV */
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#define WM8741_REV_MASK 0x0040 /* REV */
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#define WM8741_REV_SHIFT 6 /* REV */
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#define WM8741_REV_WIDTH 1 /* REV */
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#define WM8741_BCP 0x0020 /* BCP */
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#define WM8741_BCP_MASK 0x0020 /* BCP */
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#define WM8741_BCP_SHIFT 5 /* BCP */
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#define WM8741_BCP_WIDTH 1 /* BCP */
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#define WM8741_LRP 0x0010 /* LRP */
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#define WM8741_LRP_MASK 0x0010 /* LRP */
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#define WM8741_LRP_SHIFT 4 /* LRP */
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#define WM8741_LRP_WIDTH 1 /* LRP */
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#define WM8741_FMT_MASK 0x000C /* FMT - [3:2] */
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#define WM8741_FMT_SHIFT 2 /* FMT - [3:2] */
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#define WM8741_FMT_WIDTH 2 /* FMT - [3:2] */
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#define WM8741_IWL_MASK 0x0003 /* IWL - [1:0] */
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#define WM8741_IWL_SHIFT 0 /* IWL - [1:0] */
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#define WM8741_IWL_WIDTH 2 /* IWL - [1:0] */
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/*
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* R6 (0x06) - FILTER_CONTROL
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*/
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#define WM8741_ZFLAG_HI 0x0080 /* ZFLAG_HI */
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#define WM8741_ZFLAG_HI_MASK 0x0080 /* ZFLAG_HI */
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#define WM8741_ZFLAG_HI_SHIFT 7 /* ZFLAG_HI */
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#define WM8741_ZFLAG_HI_WIDTH 1 /* ZFLAG_HI */
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#define WM8741_DEEMPH_MASK 0x0060 /* DEEMPH - [6:5] */
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#define WM8741_DEEMPH_SHIFT 5 /* DEEMPH - [6:5] */
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#define WM8741_DEEMPH_WIDTH 2 /* DEEMPH - [6:5] */
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#define WM8741_DSDFILT_MASK 0x0018 /* DSDFILT - [4:3] */
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#define WM8741_DSDFILT_SHIFT 3 /* DSDFILT - [4:3] */
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#define WM8741_DSDFILT_WIDTH 2 /* DSDFILT - [4:3] */
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#define WM8741_FIRSEL_MASK 0x0007 /* FIRSEL - [2:0] */
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#define WM8741_FIRSEL_SHIFT 0 /* FIRSEL - [2:0] */
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#define WM8741_FIRSEL_WIDTH 3 /* FIRSEL - [2:0] */
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/*
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* R7 (0x07) - MODE_CONTROL_1
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*/
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#define WM8741_MODE8X 0x0080 /* MODE8X */
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#define WM8741_MODE8X_MASK 0x0080 /* MODE8X */
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#define WM8741_MODE8X_SHIFT 7 /* MODE8X */
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#define WM8741_MODE8X_WIDTH 1 /* MODE8X */
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#define WM8741_OSR_MASK 0x0060 /* OSR - [6:5] */
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#define WM8741_OSR_SHIFT 5 /* OSR - [6:5] */
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#define WM8741_OSR_WIDTH 2 /* OSR - [6:5] */
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#define WM8741_SR_MASK 0x001C /* SR - [4:2] */
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#define WM8741_SR_SHIFT 2 /* SR - [4:2] */
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#define WM8741_SR_WIDTH 3 /* SR - [4:2] */
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#define WM8741_MODESEL_MASK 0x0003 /* MODESEL - [1:0] */
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#define WM8741_MODESEL_SHIFT 0 /* MODESEL - [1:0] */
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#define WM8741_MODESEL_WIDTH 2 /* MODESEL - [1:0] */
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/*
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* R8 (0x08) - MODE_CONTROL_2
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*/
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#define WM8741_DSD_GAIN 0x0040 /* DSD_GAIN */
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#define WM8741_DSD_GAIN_MASK 0x0040 /* DSD_GAIN */
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#define WM8741_DSD_GAIN_SHIFT 6 /* DSD_GAIN */
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#define WM8741_DSD_GAIN_WIDTH 1 /* DSD_GAIN */
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#define WM8741_SDOUT 0x0020 /* SDOUT */
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#define WM8741_SDOUT_MASK 0x0020 /* SDOUT */
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#define WM8741_SDOUT_SHIFT 5 /* SDOUT */
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#define WM8741_SDOUT_WIDTH 1 /* SDOUT */
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#define WM8741_DOUT 0x0010 /* DOUT */
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#define WM8741_DOUT_MASK 0x0010 /* DOUT */
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#define WM8741_DOUT_SHIFT 4 /* DOUT */
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#define WM8741_DOUT_WIDTH 1 /* DOUT */
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#define WM8741_DIFF_MASK 0x000C /* DIFF - [3:2] */
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#define WM8741_DIFF_SHIFT 2 /* DIFF - [3:2] */
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#define WM8741_DIFF_WIDTH 2 /* DIFF - [3:2] */
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#define WM8741_DITHER_MASK 0x0003 /* DITHER - [1:0] */
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#define WM8741_DITHER_SHIFT 0 /* DITHER - [1:0] */
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#define WM8741_DITHER_WIDTH 2 /* DITHER - [1:0] */
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/* DIFF field values */
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#define WM8741_DIFF_MODE_STEREO 0 /* stereo normal */
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#define WM8741_DIFF_MODE_STEREO_REVERSED 2 /* stereo reversed */
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#define WM8741_DIFF_MODE_MONO_LEFT 1 /* mono left */
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#define WM8741_DIFF_MODE_MONO_RIGHT 3 /* mono right */
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/*
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* R32 (0x20) - ADDITONAL_CONTROL_1
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*/
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#define WM8741_DSD_LEVEL 0x0002 /* DSD_LEVEL */
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#define WM8741_DSD_LEVEL_MASK 0x0002 /* DSD_LEVEL */
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#define WM8741_DSD_LEVEL_SHIFT 1 /* DSD_LEVEL */
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#define WM8741_DSD_LEVEL_WIDTH 1 /* DSD_LEVEL */
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#define WM8741_DSD_NO_NOTCH 0x0001 /* DSD_NO_NOTCH */
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#define WM8741_DSD_NO_NOTCH_MASK 0x0001 /* DSD_NO_NOTCH */
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#define WM8741_DSD_NO_NOTCH_SHIFT 0 /* DSD_NO_NOTCH */
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#define WM8741_DSD_NO_NOTCH_WIDTH 1 /* DSD_NO_NOTCH */
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#define WM8741_SYSCLK 0
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struct wm8741_platform_data {
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u32 diff_mode; /* Differential Output Mode */
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};
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#endif
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