linux/drivers/gpu/drm/msm/dp/dp_link.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
 */

#ifndef _DP_LINK_H_
#define _DP_LINK_H_

#include "dp_aux.h"

#define DS_PORT_STATUS_CHANGED …
#define DP_TEST_BIT_DEPTH_UNKNOWN …
#define DP_LINK_CAP_ENHANCED_FRAMING …

struct dp_link_info { … };

#define DP_TRAIN_LEVEL_MAX …

struct dp_link_test_video { … };

struct dp_link_test_audio { … };

struct dp_link_phy_params { … };

struct dp_link { … };

/**
 * mdss_dp_test_bit_depth_to_bpp() - convert test bit depth to bpp
 * @tbd: test bit depth
 *
 * Returns the bits per pixel (bpp) to be used corresponding to the
 * git bit depth value. This function assumes that bit depth has
 * already been validated.
 */
static inline u32 dp_link_bit_depth_to_bpp(u32 tbd)
{ … }

void dp_link_reset_phy_params_vx_px(struct dp_link *dp_link);
u32 dp_link_get_test_bits_depth(struct dp_link *dp_link, u32 bpp);
int dp_link_process_request(struct dp_link *dp_link);
int dp_link_get_colorimetry_config(struct dp_link *dp_link);
int dp_link_adjust_levels(struct dp_link *dp_link, u8 *link_status);
bool dp_link_send_test_response(struct dp_link *dp_link);
int dp_link_psm_config(struct dp_link *dp_link,
		struct dp_link_info *link_info, bool enable);
bool dp_link_send_edid_checksum(struct dp_link *dp_link, u8 checksum);

/**
 * dp_link_get() - get the functionalities of dp test module
 *
 *
 * return: a pointer to dp_link struct
 */
struct dp_link *dp_link_get(struct device *dev, struct drm_dp_aux *aux);

#endif /* _DP_LINK_H_ */