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_DPPS_MGR_IMP_H__ 31 #define __DRM_DPPS_MGR_IMP_H__ 32 33 #include "drm_interface.h" 34 #include "drm_property.h" 35 #include "drm_dpps_mgr_intf.h" 36 #include <mutex> 37 38 namespace sde_drm { 39 40 struct DRMDppsPropInfo { 41 /* params to be set in Init */ 42 uint32_t version; 43 DRMProperty prop_enum; 44 uint32_t prop_id; 45 bool is_event; 46 /* params to be set in CacheDppsFeature */ 47 uint32_t obj_id; 48 uint64_t value; 49 }; 50 51 class DRMDppsManagerImp : public DRMDppsManagerIntf { 52 public: 53 ~DRMDppsManagerImp(); 54 void Init(int fd, drmModeRes* res); 55 void CacheDppsFeature(uint32_t obj_id, va_list args); 56 void CommitDppsFeatures(drmModeAtomicReq *req, const DRMDisplayToken &tok); 57 void GetDppsFeatureInfo(DRMDppsFeatureInfo *info); 58 59 private: 60 int GetDrmResources(drmModeRes* res); 61 int InitCrtcProps(); 62 int InitConnProps(); 63 int InitLtmBuffers(struct DRMDppsFeatureInfo *info); 64 int DeInitLtmBuffers(); 65 66 struct DRMDppsPropInfo dpps_feature_[kDppsFeaturesMax]; 67 std::vector<struct DRMDppsPropInfo> dpps_dirty_prop_; 68 std::vector<struct DRMDppsPropInfo> dpps_dirty_event_; 69 /* key is the prop name, value is prop_id */ 70 std::map<std::string, uint32_t> dpps_prop_info_map_ = {}; 71 DRMPropertyManager prop_mgr_ {}; 72 int conn_id_ = -1; 73 int crtc_id_ = -1; 74 int drm_fd_ = -1; 75 std::vector<std::pair<uint32_t, drm_msm_ltm_buffers_ctrl>> ltm_buffers_ctrl_map_; 76 std::vector<std::pair<uint32_t, DRMDppsLtmBuffers>> ltm_buffers_map_; 77 std::mutex api_lock_; 78 }; 79 80 class DRMDppsManagerDummyImp : public DRMDppsManagerIntf { 81 public: ~DRMDppsManagerDummyImp()82 ~DRMDppsManagerDummyImp() {} Init(int fd,drmModeRes * res)83 void Init(int fd, drmModeRes* res) {} CacheDppsFeature(uint32_t obj_id,va_list args)84 void CacheDppsFeature(uint32_t obj_id, va_list args) {} CommitDppsFeatures(drmModeAtomicReq * req,const DRMDisplayToken & tok)85 void CommitDppsFeatures(drmModeAtomicReq *req, const DRMDisplayToken &tok) {} GetDppsFeatureInfo(DRMDppsFeatureInfo * info)86 void GetDppsFeatureInfo(DRMDppsFeatureInfo *info) {} 87 }; 88 } // namespace sde_drm 89 #endif // __DRM_DPPS_MGR_IMP_H__ 90