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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 <sound/hdmi-codec.h>
struct drm_bridge;
/**
* struct msm_dp_audio
* @lane_count: number of lanes configured in current session
* @bw_code: link rate's bandwidth code for current session
*/
struct msm_dp_audio {
u32 lane_count;
u32 bw_code;
};
/**
* msm_dp_audio_get()
*
* Creates and instance of dp audio.
*
* @pdev: caller's platform device instance.
* @link_base: pointer to the msm_dp_link resource.
*
* Returns the error code in case of failure, otherwize
* an instance of newly created msm_dp_module.
*/
struct msm_dp_audio *msm_dp_audio_get(struct platform_device *pdev,
void __iomem *link_base);
/**
* msm_dp_audio_put()
*
* Cleans the msm_dp_audio instance.
*
* @msm_dp_audio: an instance of msm_dp_audio.
*/
void msm_dp_audio_put(struct msm_dp_audio *msm_dp_audio);
int msm_dp_audio_prepare(struct drm_bridge *bridge,
struct drm_connector *connector,
struct hdmi_codec_daifmt *daifmt,
struct hdmi_codec_params *params);
void msm_dp_audio_shutdown(struct drm_bridge *bridge,
struct drm_connector *connector);
#endif /* _DP_AUDIO_H_ */
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