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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
*/
#ifndef _DP_PARSER_H_
#define _DP_PARSER_H_
#include <linux/platform_device.h>
#include "msm_drv.h"
#define DP_MAX_PIXEL_CLK_KHZ 675000
#define DP_MAX_NUM_DP_LANES 4
#define DP_LINK_RATE_HBR2 540000 /* kbytes */
/**
* struct dp_parser - DP parser's data exposed to clients
*
* @pdev: platform data of the client
* @phy: PHY handle
*/
struct dp_parser {
struct platform_device *pdev;
struct phy *phy;
u32 max_dp_lanes;
u32 max_dp_link_rate;
struct drm_bridge *next_bridge;
};
/**
* dp_parser_get() - get the DP's device tree parser module
*
* @pdev: platform data of the client
* return: pointer to dp_parser structure.
*
* This function provides client capability to parse the
* device tree and populate the data structures. The data
* related to clock, regulators, pin-control and other
* can be parsed using this module.
*/
struct dp_parser *dp_parser_get(struct platform_device *pdev);
/**
* devm_dp_parser_find_next_bridge() - find an additional bridge to DP
*
* @dev: device to tie bridge lifetime to
* @parser: dp_parser data from client
*
* This function is used to find any additional bridge attached to
* the DP controller. The eDP interface requires a panel bridge.
*
* Return: 0 if able to get the bridge, otherwise negative errno for failure.
*/
int devm_dp_parser_find_next_bridge(struct device *dev, struct dp_parser *parser);
#endif
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