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/*
* Copyright (c) 2019, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __DRM_CONNECTOR_H__
#define __DRM_CONNECTOR_H__
#include <drm_interface.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <map>
#include <memory>
#include <memory>
#include <drm/msm_drm.h>
#include <mutex>
#include <set>
#include "drm_pp_manager.h"
#include "drm_utils.h"
#include "drm_property.h"
namespace sde_drm {
class DRMConnector {
public:
explicit DRMConnector(int fd) : fd_(fd) {}
~DRMConnector();
void InitAndParse(drmModeConnector *conn);
void Lock() { status_ = DRMStatus::BUSY; }
void Unlock() { status_ = DRMStatus::FREE; }
DRMStatus GetStatus() { return status_; }
int GetInfo(DRMConnectorInfo *info);
void GetType(uint32_t *conn_type) { *conn_type = drm_connector_->connector_type; }
void Perform(DRMOps code, drmModeAtomicReq *req, va_list args);
int IsConnected() { return (DRM_MODE_CONNECTED == drm_connector_->connection); }
int GetPossibleEncoders(std::set<uint32_t> *possible_encoders);
void SetSkipConnectorReload(bool skip_reload) { skip_connector_reload_ = skip_reload; };
void Dump();
private:
void ParseProperties();
void ParseCapabilities(uint64_t blob_id, DRMConnectorInfo *info);
void ParseCapabilities(uint64_t blob_id, drm_panel_hdr_properties *hdr_info);
void ParseModeProperties(uint64_t blob_id, DRMConnectorInfo *info);
void ParseCapabilities(uint64_t blob_id, drm_msm_ext_hdr_properties *hdr_info);
void ParseCapabilities(uint64_t blob_id, std::vector<uint8_t> *edid);
void SetROI(drmModeAtomicReq *req, uint32_t obj_id, uint32_t num_roi,
DRMRect *conn_rois);
int fd_ = -1;
drmModeConnector *drm_connector_ = {};
DRMPropertyManager prop_mgr_ {};
bool skip_connector_reload_ = false; // Usually set to true for new TV/pluggable displays.
DRMStatus status_ = DRMStatus::FREE;
std::unique_ptr<DRMPPManager> pp_mgr_{};
};
class DRMConnectorManager {
public:
explicit DRMConnectorManager(int fd) : fd_(fd) {}
void Init(drmModeRes *res);
void Update();
void DeInit() {}
void DumpAll();
void DumpByID(uint32_t id);
int Reserve(DRMDisplayType disp_type, DRMDisplayToken *token);
int Reserve(uint32_t conn_id, DRMDisplayToken *token);
void Free(DRMDisplayToken *token);
void Perform(DRMOps code, uint32_t obj_id, drmModeAtomicReq *req, va_list args);
int GetConnectorInfo(uint32_t conn_id, DRMConnectorInfo *info);
void GetConnectorList(std::vector<uint32_t> *conn_ids);
int GetPossibleEncoders(uint32_t connector_id, std::set<uint32_t> *possible_encoders);
~DRMConnectorManager() {}
private:
int fd_ = -1;
std::mutex lock_;
// Map of connector id to DRMConnector *
std::map<uint32_t, std::unique_ptr<DRMConnector>> connector_pool_{};
};
} // namespace sde_drm
#endif // __DRM_CONNECTOR_H__