cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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dp_audio.h (1545B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
      4 */
      5
      6#ifndef _DP_AUDIO_H_
      7#define _DP_AUDIO_H_
      8
      9#include <linux/platform_device.h>
     10
     11#include "dp_panel.h"
     12#include "dp_catalog.h"
     13#include <sound/hdmi-codec.h>
     14
     15/**
     16 * struct dp_audio
     17 * @lane_count: number of lanes configured in current session
     18 * @bw_code: link rate's bandwidth code for current session
     19 */
     20struct dp_audio {
     21	u32 lane_count;
     22	u32 bw_code;
     23};
     24
     25/**
     26 * dp_audio_get()
     27 *
     28 * Creates and instance of dp audio.
     29 *
     30 * @pdev: caller's platform device instance.
     31 * @panel: an instance of dp_panel module.
     32 * @catalog: an instance of dp_catalog module.
     33 *
     34 * Returns the error code in case of failure, otherwize
     35 * an instance of newly created dp_module.
     36 */
     37struct dp_audio *dp_audio_get(struct platform_device *pdev,
     38			struct dp_panel *panel,
     39			struct dp_catalog *catalog);
     40
     41/**
     42 * dp_register_audio_driver()
     43 *
     44 * Registers DP device with hdmi_codec interface.
     45 *
     46 * @dev: DP device instance.
     47 * @dp_audio: an instance of dp_audio module.
     48 *
     49 *
     50 * Returns the error code in case of failure, otherwise
     51 * zero on success.
     52 */
     53int dp_register_audio_driver(struct device *dev,
     54		struct dp_audio *dp_audio);
     55
     56/**
     57 * dp_audio_put()
     58 *
     59 * Cleans the dp_audio instance.
     60 *
     61 * @dp_audio: an instance of dp_audio.
     62 */
     63void dp_audio_put(struct dp_audio *dp_audio);
     64
     65int dp_audio_hw_params(struct device *dev,
     66	void *data,
     67	struct hdmi_codec_daifmt *daifmt,
     68	struct hdmi_codec_params *params);
     69
     70#endif /* _DP_AUDIO_H_ */
     71
     72