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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
*/
#ifndef _DP_AUDIO_H_
#define _DP_AUDIO_H_
#include <linux/platform_device.h>
#include "dp_panel.h"
#include "dp_catalog.h"
#include <sound/hdmi-codec.h>
/**
* struct dp_audio
* @lane_count: number of lanes configured in current session
* @bw_code: link rate's bandwidth code for current session
*/
struct dp_audio {
u32 lane_count;
u32 bw_code;
};
/**
* dp_audio_get()
*
* Creates and instance of dp audio.
*
* @pdev: caller's platform device instance.
* @panel: an instance of dp_panel module.
* @catalog: an instance of dp_catalog module.
*
* Returns the error code in case of failure, otherwize
* an instance of newly created dp_module.
*/
struct dp_audio *dp_audio_get(struct platform_device *pdev,
struct dp_panel *panel,
struct dp_catalog *catalog);
/**
* dp_register_audio_driver()
*
* Registers DP device with hdmi_codec interface.
*
* @dev: DP device instance.
* @dp_audio: an instance of dp_audio module.
*
*
* Returns the error code in case of failure, otherwise
* zero on success.
*/
int dp_register_audio_driver(struct device *dev,
struct dp_audio *dp_audio);
void dp_unregister_audio_driver(struct device *dev, struct dp_audio *dp_audio);
/**
* dp_audio_put()
*
* Cleans the dp_audio instance.
*
* @dp_audio: an instance of dp_audio.
*/
void dp_audio_put(struct dp_audio *dp_audio);
int dp_audio_hw_params(struct device *dev,
void *data,
struct hdmi_codec_daifmt *daifmt,
struct hdmi_codec_params *params);
#endif /* _DP_AUDIO_H_ */
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