284 lines
7.9 KiB
C
284 lines
7.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
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* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
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*/
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#ifndef _DP_DRM_H_
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#define _DP_DRM_H_
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#include <linux/types.h>
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#include <drm/drmP.h>
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#include <drm/drm_crtc.h>
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#include "msm_drv.h"
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#include "dp_display.h"
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struct dp_bridge {
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struct drm_bridge base;
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u32 id;
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struct drm_connector *connector;
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struct dp_display *display;
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struct dp_display_mode dp_mode;
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void *dp_panel;
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};
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#if IS_ENABLED(CONFIG_DRM_MSM_DP)
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/**
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* dp_connector_config_hdr - callback to configure HDR
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* @connector: Pointer to drm connector structure
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* @display: Pointer to private display handle
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* @c_state: connect state data
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* Returns: Zero on success
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*/
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int dp_connector_config_hdr(struct drm_connector *connector,
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void *display,
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struct sde_connector_state *c_state);
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/**
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* dp_connector_atomic_check - callback to perform atomic
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* check for DP
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* @connector: Pointer to drm connector structure
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* @display: Pointer to private display handle
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* @c_state: connect state data
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* Returns: Zero on success
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*/
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int dp_connector_atomic_check(struct drm_connector *connector,
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void *display,
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struct drm_atomic_state *state);
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/**
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* dp_connector_set_colorspace - callback to set new colorspace
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* @connector: Pointer to drm connector structure
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* @display: Pointer to private display handle
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* Returns: Zero on success
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*/
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int dp_connector_set_colorspace(struct drm_connector *connector,
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void *display);
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/**
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* dp_connector_post_init - callback to perform additional initialization steps
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* @connector: Pointer to drm connector structure
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* @display: Pointer to private display handle
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* Returns: Zero on success
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*/
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int dp_connector_post_init(struct drm_connector *connector, void *display);
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/**
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* dp_connector_detect - callback to determine if connector is connected
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* @connector: Pointer to drm connector structure
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* @force: Force detect setting from drm framework
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* @display: Pointer to private display handle
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* Returns: Connector 'is connected' status
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*/
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enum drm_connector_status dp_connector_detect(struct drm_connector *conn,
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bool force,
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void *display);
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/**
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* dp_connector_get_modes - callback to add drm modes via drm_mode_probed_add()
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* @connector: Pointer to drm connector structure
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* @display: Pointer to private display handle
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* @avail_res: Pointer with curr available resources
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* Returns: Number of modes added
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*/
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int dp_connector_get_modes(struct drm_connector *connector,
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void *display, const struct msm_resource_caps_info *avail_res);
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/**
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* dp_connector_mode_valid - callback to determine if specified mode is valid
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* @connector: Pointer to drm connector structure
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* @mode: Pointer to drm mode structure
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* @display: Pointer to private display handle
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* @avail_res: Pointer with curr available resources
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* Returns: Validity status for specified mode
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*/
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enum drm_mode_status dp_connector_mode_valid(struct drm_connector *connector,
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struct drm_display_mode *mode,
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void *display, const struct msm_resource_caps_info *avail_res);
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/**
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* dp_connector_get_mode_info - retrieve information of the mode selected
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* @connector: Pointer to drm connector structure
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* @drm_mode: Display mode set for the display
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* @mode_info: Out parameter. Information of the mode
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* @display: Pointer to private display structure
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* @avail_res: Pointer with curr available resources
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* Returns: zero on success
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*/
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int dp_connector_get_mode_info(struct drm_connector *connector,
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const struct drm_display_mode *drm_mode,
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struct msm_mode_info *mode_info,
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void *display, const struct msm_resource_caps_info *avail_res);
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/**
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* dp_connector_get_info - retrieve connector display info
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* @connector: Pointer to drm connector structure
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* @info: Out parameter. Information of the connected display
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* @display: Pointer to private display structure
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* Returns: zero on success
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*/
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int dp_connector_get_info(struct drm_connector *connector,
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struct msm_display_info *info, void *display);
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/**
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* dp_connector_post_open - handle the post open functionalities
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* @connector: Pointer to drm connector structure
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* @display: Pointer to private display structure
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*/
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void dp_connector_post_open(struct drm_connector *connector, void *display);
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/**
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* dp_drm_bridge_init- drm dp bridge initialize
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* @display: Pointer to private display structure
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* @encoder: encoder for this dp bridge
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* @max_mixer_count: max available mixers for dp display
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* @max_dsc_count: max available dsc for dp display
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*/
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/**
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* dp_conn_set_info_blob - callback to perform info blob initialization
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* @connector: Pointer to drm connector structure
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* @info: Pointer to sde connector info structure
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* @display: Pointer to private display handle
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* @mode_info: Pointer to mode info structure
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* Returns: Zero on success
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*/
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int dp_connector_set_info_blob(struct drm_connector *connector,
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void *info, void *display, struct msm_mode_info *mode_info);
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int dp_drm_bridge_init(void *display, struct drm_encoder *encoder,
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u32 max_mixer_count, u32 max_dsc_count);
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void dp_drm_bridge_deinit(void *display);
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/**
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* convert_to_drm_mode - convert dp mode to drm mode
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* @dp_mode: Point to dp mode
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* @drm_mode: Pointer to drm mode
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*/
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void convert_to_drm_mode(const struct dp_display_mode *dp_mode,
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struct drm_display_mode *drm_mode);
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/**
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* dp_connector_update_pps - update pps for given connector
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* @dp_mode: Point to dp mode
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* @pps_cmd: PPS packet
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* @display: Pointer to private display structure
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*/
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int dp_connector_update_pps(struct drm_connector *connector,
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char *pps_cmd, void *display);
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/**
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* dp_connector_install_properties - install drm properties
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* @display: Pointer to private display structure
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* @conn: Pointer to connector
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*/
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int dp_connector_install_properties(void *display,
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struct drm_connector *conn);
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#else
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static inline int dp_connector_config_hdr(struct drm_connector *connector,
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void *display, struct sde_connector_state *c_state)
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{
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return 0;
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}
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static inline int dp_connector_atomic_check(struct drm_connector *connector,
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void *display, struct drm_atomic_state *state)
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{
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return 0;
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}
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static inline int dp_connector_set_backlight(struct drm_connector *connector,
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void *display, u32 bl_lvl)
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{
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return 0;
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}
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static inline int dp_connector_set_colorspace(struct drm_connector *connector,
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void *display)
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{
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return 0;
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}
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static inline int dp_connector_post_init(struct drm_connector *connector,
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void *display)
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{
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return 0;
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}
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static inline enum drm_connector_status dp_connector_detect(
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struct drm_connector *conn,
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bool force,
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void *display)
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{
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return 0;
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}
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static inline int dp_connector_get_modes(struct drm_connector *connector,
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void *display, const struct msm_resource_caps_info *avail_res)
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{
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return 0;
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}
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static inline enum drm_mode_status dp_connector_mode_valid(
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struct drm_connector *connector,
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struct drm_display_mode *mode,
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void *display, const struct msm_resource_caps_info *avail_res)
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{
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return MODE_OK;
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}
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static inline int dp_connector_get_mode_info(struct drm_connector *connector,
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const struct drm_display_mode *drm_mode,
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struct msm_mode_info *mode_info,
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void *display, const struct msm_resource_caps_info *avail_res)
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{
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return 0;
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}
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static inline int dp_connector_get_info(struct drm_connector *connector,
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struct msm_display_info *info, void *display)
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{
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return 0;
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}
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static inline void dp_connector_post_open(struct drm_connector *connector,
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void *display)
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{
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}
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static inline int dp_connector_set_info_blob(struct drm_connector *connector,
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void *info, void *display, struct msm_mode_info *mode_info)
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{
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return 0;
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}
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static inline int dp_drm_bridge_init(void *display, struct drm_encoder *encoder,
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u32 max_mixer_count, u32 max_dsc_count)
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{
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return 0;
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}
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static inline void dp_drm_bridge_deinit(void *display)
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{
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}
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static inline void convert_to_drm_mode(const struct dp_display_mode *dp_mode,
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struct drm_display_mode *drm_mode)
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{
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}
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static int dp_connector_install_properties(void *display,
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struct drm_connector *conn)
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{
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return 0;
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}
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#endif /* CONFIG_DRM_MSM_DP */
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#endif /* _DP_DRM_H_ */
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