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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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29c859df7b
Updating power management register requires toggling the shutdown bit otherwise it causes unexpected behavior of the codec. However, toggling the shutdown bit results in loud speaker crackling. Setup the power management register only at startup to avoid that. Signed-off-by: Pavel Dobias <dobias@2n.cz> Link: https://lore.kernel.org/r/20200522142957.18364-3-dobias@2n.cz Signed-off-by: Mark Brown <broonie@kernel.org>
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* max9867.h -- MAX9867 ALSA SoC Audio driver
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*
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* Copyright 2013-2015 Maxim Integrated Products
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*/
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#ifndef _MAX9867_H
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#define _MAX9867_H
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/* MAX9867 register space */
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#define MAX9867_STATUS 0x00
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#define MAX9867_JACKSTATUS 0x01
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#define MAX9867_AUXHIGH 0x02
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#define MAX9867_AUXLOW 0x03
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#define MAX9867_INTEN 0x04
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#define MAX9867_SYSCLK 0x05
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#define MAX9867_FREQ_MASK 0xF
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#define MAX9867_PSCLK_SHIFT 0x4
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#define MAX9867_PSCLK_WIDTH 0x2
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#define MAX9867_PSCLK_MASK (0x03<<MAX9867_PSCLK_SHIFT)
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#define MAX9867_PSCLK_10_20 0x1
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#define MAX9867_PSCLK_20_40 0x2
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#define MAX9867_PSCLK_40_60 0x3
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#define MAX9867_AUDIOCLKHIGH 0x06
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#define MAX9867_NI_HIGH_MASK 0x7F
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#define MAX9867_NI_LOW_MASK 0xFE
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#define MAX9867_PLL (1<<7)
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#define MAX9867_AUDIOCLKLOW 0x07
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#define MAX9867_RAPID_LOCK 0x01
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#define MAX9867_IFC1A 0x08
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#define MAX9867_MASTER (1<<7)
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#define MAX9867_I2S_DLY (1<<4)
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#define MAX9867_SDOUT_HIZ (1<<3)
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#define MAX9867_TDM_MODE (1<<2)
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#define MAX9867_WCI_MODE (1<<6)
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#define MAX9867_BCI_MODE (1<<5)
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#define MAX9867_IFC1B 0x09
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#define MAX9867_IFC1B_BCLK_MASK 7
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#define MAX9867_IFC1B_64X 0x01
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#define MAX9867_IFC1B_48X 0x02
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#define MAX9867_IFC1B_PCLK_2 0x04
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#define MAX9867_IFC1B_PCLK_4 0x05
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#define MAX9867_IFC1B_PCLK_8 0x06
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#define MAX9867_IFC1B_PCLK_16 0x07
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#define MAX9867_CODECFLTR 0x0a
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#define MAX9867_SIDETONE 0x0b
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#define MAX9867_DACLEVEL 0x0c
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#define MAX9867_ADCLEVEL 0x0d
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#define MAX9867_LEFTLINELVL 0x0e
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#define MAX9867_RIGHTLINELVL 0x0f
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#define MAX9867_LEFTVOL 0x10
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#define MAX9867_RIGHTVOL 0x11
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#define MAX9867_LEFTMICGAIN 0x12
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#define MAX9867_RIGHTMICGAIN 0x13
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#define MAX9867_INPUTCONFIG 0x14
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#define MAX9867_MICCONFIG 0x15
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#define MAX9867_MODECONFIG 0x16
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#define MAX9867_PWRMAN 0x17
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#define MAX9867_REVISION 0xff
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#define MAX9867_CACHEREGNUM 10
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#endif
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