Adding upstream version 1:10.0.2+ds.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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103
roms/u-boot/include/hda_codec.h
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103
roms/u-boot/include/hda_codec.h
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Support for Intel High-Definition Audio codec
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*
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* Copyright 2018 Google LLC
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*
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* Taken from coreboot file of the same name
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*/
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#ifndef __HDA_CODEC_H_
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#define __HDA_CODEC_H_
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struct hda_regs;
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/**
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* struct hda_codec_priv - Private data required by the HDA codec
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*
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* @regs: HDA registers
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* @beep_nid: Node ID of beep node (>0)
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*/
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struct hda_codec_priv {
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struct hda_regs *regs;
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uint beep_nid;
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};
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/**
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* hda_wait_for_ready() - Wait for the codec to indicate it is ready
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*
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* @regs: HDA registers
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* @return 0 if OK -ETIMEDOUT if codec did not respond in time
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*/
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int hda_wait_for_ready(struct hda_regs *regs);
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/**
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* hda_wait_for_valid() - Wait for the codec to accept the last command
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*
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* @regs: HDA registers
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* @return 0 if OK -ETIMEDOUT if codec did not respond in time
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*/
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int hda_wait_for_valid(struct hda_regs *regs);
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/**
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* hda_codec_detect() - Detect which codecs are present
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*
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* @regs: HDA registers
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* @return bit mask of active codecs (0 if none)
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* @return 0 if OK, -ve on error
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*/
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int hda_codec_detect(struct hda_regs *regs);
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/**
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* hda_codecs_init() - Init all codecs
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*
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* @dev: Sound device
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* @regs: HDA registers
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* @codec_mask: Mask of codecs to init (bits 3:0)
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* @return 0 if OK, -ve on error
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*/
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int hda_codecs_init(struct udevice *dev, struct hda_regs *regs, u32 codec_mask);
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/**
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* hda_codec_start_beep() - Start beeping
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*
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* This tells the sound hardware to start a beep. It will continue until stopped
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* by sound_stop_beep().
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*
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* @dev: Sound device
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* @frequency_hz: Beep frequency in hertz
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* @return if OK, -ve on error
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*/
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int hda_codec_start_beep(struct udevice *dev, int frequency_hz);
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/**
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* hda_codec_stop_beep() - Stop beeping
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*
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* This tells the sound hardware to stop a previously started beep.
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*
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* @dev: Sound device
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* @return if OK, -ve on error
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*/
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int hda_codec_stop_beep(struct udevice *dev);
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/**
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* hda_codec_init() - Set up the HDA codec base address
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*
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* This should be called at the start of the probe() method.
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*
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* @dev: Sound device
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* @return 0 if OK, -ve on error
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*/
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int hda_codec_init(struct udevice *dev);
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/**
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* hda_codec_finish_init() - Finish setting up the HDA codec base address
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*
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* This should be called at the end of the probe() method.
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*
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* @dev: Sound device
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* @return 0 if OK, -ve on error
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*/
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int hda_codec_finish_init(struct udevice *dev);
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#endif /* __HDA_CODEC_H_ */
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