/* 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); /** * 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_ */