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102 lines
3.5 KiB
102 lines
3.5 KiB
/*
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* Copyright (c) 2019, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __DRM_ENCODER_H__
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#define __DRM_ENCODER_H__
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <map>
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#include <memory>
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#include <vector>
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#include <utility>
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#include <set>
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#include "drm_interface.h"
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#include "drm_utils.h"
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namespace sde_drm {
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class DRMEncoder {
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public:
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explicit DRMEncoder(int fd) : fd_(fd) {}
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DRMEncoder(int fd, uint32_t id, uint32_t type) : fd_(fd), fake_id_(id), fake_type_(type) {}
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void InitAndParse(drmModeEncoder *encoder);
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DRMStatus GetStatus() { return status_; }
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void GetInfo(DRMEncoderInfo *info);
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void GetType(uint32_t *encoder_type) {
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drm_encoder_ ? *encoder_type = drm_encoder_->encoder_type
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: *encoder_type = fake_type_;
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}
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void GetId(uint32_t *encoder_id) {
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drm_encoder_ ? *encoder_id = drm_encoder_->encoder_id
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: *encoder_id = fake_id_;
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}
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int GetPossibleCrtcIndices(std::set<uint32_t> *possible_crtc_indices);
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void Dump();
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void Lock();
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void Unlock();
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~DRMEncoder();
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private:
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int fd_ = -1;
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drmModeEncoder *drm_encoder_ = {};
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DRMStatus status_ = DRMStatus::FREE;
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DRMEncoderInfo encoder_info_ = {};
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// Userspace injected data, only used for creating object not reported by the driver
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uint32_t fake_id_;
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uint32_t fake_type_;
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};
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class DRMEncoderManager {
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public:
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explicit DRMEncoderManager(int fd) : fd_(fd) {}
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~DRMEncoderManager();
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void Init(drmModeRes *res);
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void InsertSecondaryDSI();
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void DeInit() {}
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void DumpAll();
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void DumpByID(uint32_t id);
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int Reserve(const std::set<uint32_t> &possible_encoders, DRMDisplayToken *token);
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void Free(DRMDisplayToken *token);
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int GetEncoderInfo(uint32_t encoder_id, DRMEncoderInfo *info);
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int GetEncoderList(std::vector<uint32_t> *encoder_ids);
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int GetPossibleCrtcIndices(uint32_t encoder_id, std::set<uint32_t> *possible_crtc_indices);
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private:
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int fd_ = -1;
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std::map<uint32_t, std::unique_ptr<DRMEncoder>> encoder_pool_{};
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int GetDisplayTypeCode(uint32_t encoder_type);
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};
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} // namespace sde_drm
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#endif // __DRM_ENCODER_H__
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