3709853456
This change brings msm display driver including sde, dp, dsi, rotator, dsi pll and dp pll from base 4.19 kernel project. It is first source code snapshot from base kernel project. Change-Id: Iec864c064ce5ea04e170f24414c728684002f284 Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>
248 lines
6.3 KiB
C
248 lines
6.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2017-2019, 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 <drm/drm_crtc_helper.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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#ifdef 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_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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* 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);
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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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* 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);
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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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* @max_mixer_width: max width supported by HW layer mixer
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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_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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u32 max_mixer_width, void *display);
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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 functionalites
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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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int dp_drm_bridge_init(void *display,
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struct drm_encoder *encoder);
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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_mst_drm_bridge_init - initialize mst bridge
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* @display: Pointer to private display structure
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* @encoder: Pointer to encoder for mst bridge mapping
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*/
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int dp_mst_drm_bridge_init(void *display,
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struct drm_encoder *encoder);
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/**
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* dp_mst_drm_bridge_deinit - de-initialize mst bridges
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* @display: Pointer to private display structure
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*/
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void dp_mst_drm_bridge_deinit(void *display);
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/**
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* dp_mst_init - initialize mst objects for the given display
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* @display: Pointer to private display structure
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*/
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int dp_mst_init(struct dp_display *dp_display);
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/**
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* dp_mst_deinit - de-initialize mst objects for the given display
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* @display: Pointer to private display structure
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*/
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void dp_mst_deinit(struct dp_display *dp_display);
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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_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)
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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)
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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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u32 max_mixer_width, 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_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_drm_bridge_init(void *display, struct drm_encoder *encoder)
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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 inline int dp_mst_drm_bridge_init(void *display,
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struct drm_encoder *encoder)
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{
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return 0;
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}
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static inline void dp_mst_drm_bridge_deinit(void *display)
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{
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}
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static inline int dp_mst_init(struct dp_display *dp_display)
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{
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return 0;
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}
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static inline int dp_mst_deinit(struct dp_display *dp_display)
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{
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return 0;
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}
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#endif
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#endif /* _DP_DRM_H_ */
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