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98a8920e7b
The MSM DisplayPort driver implements several HDMI codec functions in the driver, e.g. it manually manages HDMI codec device registration, returning ELD and plugged_cb support. In order to reduce code duplication reuse drm_hdmi_audio_* helpers and drm_bridge_connector integration. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/649728/ Link: https://lore.kernel.org/r/20250423-dp-hdmi-audio-v7-1-8407a23e55b2@oss.qualcomm.com
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
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*/
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#ifndef _DP_AUDIO_H_
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#define _DP_AUDIO_H_
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#include <linux/platform_device.h>
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#include "dp_catalog.h"
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#include <sound/hdmi-codec.h>
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/**
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* struct msm_dp_audio
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* @lane_count: number of lanes configured in current session
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* @bw_code: link rate's bandwidth code for current session
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*/
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struct msm_dp_audio {
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u32 lane_count;
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u32 bw_code;
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};
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/**
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* msm_dp_audio_get()
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*
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* Creates and instance of dp audio.
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*
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* @pdev: caller's platform device instance.
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* @catalog: an instance of msm_dp_catalog module.
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*
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* Returns the error code in case of failure, otherwize
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* an instance of newly created msm_dp_module.
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*/
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struct msm_dp_audio *msm_dp_audio_get(struct platform_device *pdev,
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struct msm_dp_catalog *catalog);
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/**
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* msm_dp_audio_put()
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*
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* Cleans the msm_dp_audio instance.
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*
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* @msm_dp_audio: an instance of msm_dp_audio.
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*/
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void msm_dp_audio_put(struct msm_dp_audio *msm_dp_audio);
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int msm_dp_audio_prepare(struct drm_connector *connector,
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struct drm_bridge *bridge,
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struct hdmi_codec_daifmt *daifmt,
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struct hdmi_codec_params *params);
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void msm_dp_audio_shutdown(struct drm_connector *connector,
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struct drm_bridge *bridge);
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#endif /* _DP_AUDIO_H_ */
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