1 /* 2 * Copyright (c) 2019, The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer in the documentation and/or other materials provided 12 * with the distribution. 13 * * Neither the name of The Linux Foundation nor the names of its 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef __DRM_PP_MANAGER_H__ 31 #define __DRM_PP_MANAGER_H__ 32 33 #include <limits> 34 #include "drm_utils.h" 35 #include "drm_interface.h" 36 #include "drm_property.h" 37 38 namespace sde_drm { 39 40 struct DRMPPPropInfo { 41 DRMProperty prop_enum; 42 uint32_t version = std::numeric_limits<uint32_t>::max(); 43 uint32_t prop_id; 44 uint32_t blob_id; 45 }; 46 47 class DRMPPManager { 48 public: 49 explicit DRMPPManager(int fd); 50 ~DRMPPManager(); 51 void Init(const DRMPropertyManager &pm, uint32_t object_type); DeInit()52 void DeInit() {} 53 void GetPPInfo(DRMPPFeatureInfo *info); 54 void SetPPFeature(drmModeAtomicReq *req, uint32_t obj_id, DRMPPFeatureInfo &feature); 55 56 private: 57 int SetPPBlobProperty(drmModeAtomicReq *req, uint32_t obj_id, struct DRMPPPropInfo *prop_info, 58 DRMPPFeatureInfo &feature); 59 60 int fd_ = -1; 61 uint32_t object_type_ = std::numeric_limits<uint32_t>::max(); 62 DRMPPPropInfo pp_prop_map_[kPPFeaturesMax] = {}; 63 }; 64 65 } // namespace sde_drm 66 #endif // __DRM_PP_MANAGER_H__ 67