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/*
* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef _DP_DRM_H_
#define _DP_DRM_H_
#include <linux/types.h>
#include <drm/drmP.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include "msm_drv.h"
#include "dp_display.h"
struct dp_bridge {
struct drm_bridge base;
u32 id;
struct drm_connector *connector;
struct dp_display *display;
struct dp_display_mode dp_mode;
void *dp_panel;
};
/**
* dp_connector_config_hdr - callback to configure HDR
* @connector: Pointer to drm connector structure
* @display: Pointer to private display handle
* @c_state: connect state data
* Returns: Zero on success
*/
int dp_connector_config_hdr(struct drm_connector *connector,
void *display,
struct sde_connector_state *c_state);
/**
* dp_connector_post_init - callback to perform additional initialization steps
* @connector: Pointer to drm connector structure
* @display: Pointer to private display handle
* Returns: Zero on success
*/
int dp_connector_post_init(struct drm_connector *connector, void *display);
/**
* dp_connector_detect - callback to determine if connector is connected
* @connector: Pointer to drm connector structure
* @force: Force detect setting from drm framework
* @display: Pointer to private display handle
* Returns: Connector 'is connected' status
*/
enum drm_connector_status dp_connector_detect(struct drm_connector *conn,
bool force,
void *display);
/**
* dp_connector_get_modes - callback to add drm modes via drm_mode_probed_add()
* @connector: Pointer to drm connector structure
* @display: Pointer to private display handle
* Returns: Number of modes added
*/
int dp_connector_get_modes(struct drm_connector *connector,
void *display);
/**
* dp_connector_mode_valid - callback to determine if specified mode is valid
* @connector: Pointer to drm connector structure
* @mode: Pointer to drm mode structure
* @display: Pointer to private display handle
* Returns: Validity status for specified mode
*/
enum drm_mode_status dp_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode,
void *display);
/**
* dp_connector_get_mode_info - retrieve information of the mode selected
* @connector: Pointer to drm connector structure
* @drm_mode: Display mode set for the display
* @mode_info: Out parameter. Information of the mode
* @max_mixer_width: max width supported by HW layer mixer
* @display: Pointer to private display structure
* Returns: zero on success
*/
int dp_connector_get_mode_info(struct drm_connector *connector,
const struct drm_display_mode *drm_mode,
struct msm_mode_info *mode_info,
u32 max_mixer_width, void *display);
/**
* dp_connector_get_info - retrieve connector display info
* @connector: Pointer to drm connector structure
* @info: Out parameter. Information of the connected display
* @display: Pointer to private display structure
* Returns: zero on success
*/
int dp_connector_get_info(struct drm_connector *connector,
struct msm_display_info *info, void *display);
/**
* dp_connector_post_open - handle the post open functionalites
* @connector: Pointer to drm connector structure
* @display: Pointer to private display structure
*/
void dp_connector_post_open(struct drm_connector *connector, void *display);
/**
* dp_conn_set_info_blob - callback to perform info blob initialization
* @connector: Pointer to drm connector structure
* @info: Pointer to sde connector info structure
* @display: Pointer to private display handle
* @mode_info: Pointer to mode info structure
* Returns: Zero on success
*/
int dp_connnector_set_info_blob(struct drm_connector *connector,
void *info, void *display, struct msm_mode_info *mode_info);
int dp_drm_bridge_init(void *display,
struct drm_encoder *encoder);
void dp_drm_bridge_deinit(void *display);
/**
* convert_to_drm_mode - convert dp mode to drm mode
* @dp_mode: Point to dp mode
* @drm_mode: Pointer to drm mode
*/
void convert_to_drm_mode(const struct dp_display_mode *dp_mode,
struct drm_display_mode *drm_mode);
/**
* dp_connector_update_pps - update pps for given connector
* @dp_mode: Point to dp mode
* @pps_cmd: PPS packet
* @display: Pointer to private display structure
*/
int dp_connector_update_pps(struct drm_connector *connector,
char *pps_cmd, void *display);
/**
* dp_mst_drm_bridge_init - initialize mst bridge
* @display: Pointer to private display structure
* @encoder: Pointer to encoder for mst bridge mapping
*/
int dp_mst_drm_bridge_init(void *display,
struct drm_encoder *encoder);
/**
* dp_mst_drm_bridge_deinit - de-initialize mst bridges
* @display: Pointer to private display structure
*/
void dp_mst_drm_bridge_deinit(void *display);
/**
* dp_mst_init - initialize mst objects for the given display
* @display: Pointer to private display structure
*/
int dp_mst_init(struct dp_display *dp_display);
/**
* dp_mst_deinit - de-initialize mst objects for the given display
* @display: Pointer to private display structure
*/
void dp_mst_deinit(struct dp_display *dp_display);
#endif /* _DP_DRM_H_ */
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