1 /* Copyright (c) 2021, The Linux Foundataion. All rights reserved. 2 * 3 * Redistribution and use in source and binary forms, with or without 4 * modification, are permitted provided that the following conditions are 5 * met: 6 * * Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer in the documentation and/or other materials provided 11 * with the distribution. 12 * * Neither the name of The Linux Foundation nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 30 #ifndef __DRM_PANEL_FEATURE_MGR_H__ 31 #define __DRM_PANEL_FEATURE_MGR_H__ 32 33 #include <vector> 34 #include <mutex> 35 36 #include "drm_interface.h" 37 #include "drm_property.h" 38 #include "drm_panel_feature_mgr_intf.h" 39 40 namespace sde_drm { 41 42 class DRMPanelFeatureMgr : public DRMPanelFeatureMgrIntf { 43 public: ~DRMPanelFeatureMgr()44 virtual ~DRMPanelFeatureMgr() {} 45 void Init(int fd, drmModeRes* res); 46 void DeInit(); 47 void GetPanelFeatureInfo(DRMPanelFeatureInfo *info); 48 void CachePanelFeature(const DRMPanelFeatureInfo &info); 49 void CommitPanelFeatures(drmModeAtomicReq *req, const DRMDisplayToken &tok); 50 51 private: 52 int InitObjectProps(int obj_id, int obj_type); 53 void ParseCapabilities(uint32_t blob_id, char* value, uint32_t max_len, const std::string str); 54 void ParseDsppCapabilities(uint32_t blob_id, std::vector<int> *values, uint32_t *size, 55 const std::string str); 56 57 std::mutex lock_; 58 int dev_fd_ = -1; 59 drmModeRes* drm_res_ = nullptr; 60 DRMPropertyManager prop_mgr_ {}; 61 std::array<std::pair<bool, struct DRMPanelFeatureInfo>, 62 kDRMPanelFeatureMax> dirty_features_ {}; 63 std::map<DRMPanelFeatureID, DRMProperty> drm_property_map_ {}; 64 std::map<DRMPanelFeatureID, DRMPropType> drm_prop_type_map_ {}; 65 std::map<DRMPanelFeatureID, uint32_t> drm_prop_blob_ids_map_ {}; 66 std::array<DRMPanelFeatureInfo, kDRMPanelFeatureMax> feature_info_tbl_ {}; 67 }; 68 69 /* 70 Below structure is required for cross compatibility between 71 different kernel versions. 72 This structure needs to be in sync with kernel structure. 73 */ 74 75 #define RC_DATA_SIZE_MAX 2720 76 #define RC_CFG_SIZE_MAX 4 77 78 struct msm_rc_mask_cfg { 79 __u64 flags; 80 __u32 cfg_param_01; 81 __u32 cfg_param_02; 82 __u32 cfg_param_03; 83 __u32 cfg_param_04[RC_CFG_SIZE_MAX]; 84 __u32 cfg_param_05[RC_CFG_SIZE_MAX]; 85 __u32 cfg_param_06[RC_CFG_SIZE_MAX]; 86 __u64 cfg_param_07; 87 __u32 cfg_param_08; 88 __u64 cfg_param_09[RC_DATA_SIZE_MAX]; 89 }; 90 91 } // namespace sde_drm 92 93 #endif // __DRM_PANEL_FEATURE_MGR_H__ 94 95