1 /* 2 Copyright (c) 2017-2018, 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 __HW_PERIPHERAL_DRM_H__ 31 #define __HW_PERIPHERAL_DRM_H__ 32 33 #include <vector> 34 #include "hw_device_drm.h" 35 36 namespace sdm { 37 38 struct CWBConfig { 39 bool enabled = false; 40 sde_drm::DRMDisplayToken token = {}; 41 }; 42 43 class HWPeripheralDRM : public HWDeviceDRM { 44 public: 45 explicit HWPeripheralDRM(int32_t display_id, BufferSyncHandler *buffer_sync_handler, 46 BufferAllocator *buffer_allocator, HWInfoInterface *hw_info_intf); ~HWPeripheralDRM()47 virtual ~HWPeripheralDRM() {} 48 49 protected: 50 virtual DisplayError Init(); 51 virtual DisplayError Validate(HWLayers *hw_layers); 52 virtual DisplayError Commit(HWLayers *hw_layers); 53 virtual DisplayError Flush(HWLayers *hw_layers); 54 virtual DisplayError SetDppsFeature(void *payload, size_t size); 55 virtual DisplayError GetDppsFeatureInfo(void *payload, size_t size); 56 virtual DisplayError HandleSecureEvent(SecureEvent secure_event, HWLayers *hw_layers); 57 virtual DisplayError ControlIdlePowerCollapse(bool enable, bool synchronous); 58 virtual DisplayError PowerOn(const HWQosData &qos_data, int *release_fence); 59 virtual DisplayError SetDisplayDppsAdROI(void *payload); 60 virtual DisplayError SetDynamicDSIClock(uint64_t bit_clk_rate); 61 virtual DisplayError GetDynamicDSIClock(uint64_t *bit_clk_rate); 62 virtual DisplayError SetDisplayAttributes(uint32_t index); 63 virtual DisplayError TeardownConcurrentWriteback(void); 64 65 private: 66 void SetDestScalarData(HWLayersInfo hw_layer_info, bool validate); 67 void ResetDisplayParams(); 68 DisplayError SetupConcurrentWritebackModes(); 69 void SetupConcurrentWriteback(const HWLayersInfo &hw_layer_info, bool validate); 70 void ConfigureConcurrentWriteback(LayerStack *stack); 71 void PostCommitConcurrentWriteback(LayerBuffer *output_buffer); SetIdlePCState()72 void SetIdlePCState() { 73 drm_atomic_intf_->Perform(sde_drm::DRMOps::CRTC_SET_IDLE_PC_STATE, token_.crtc_id, 74 idle_pc_state_); 75 } 76 77 struct DestScalarCache { 78 SDEScaler scalar_data = {}; 79 uint32_t flags = {}; 80 }; 81 82 sde_drm_dest_scaler_data sde_dest_scalar_data_ = {}; 83 std::vector<SDEScaler> scalar_data_ = {}; 84 CWBConfig cwb_config_ = {}; 85 sde_drm::DRMIdlePCState idle_pc_state_ = sde_drm::DRMIdlePCState::NONE; 86 std::vector<DestScalarCache> dest_scalar_cache_ = {}; 87 drm_msm_ad4_roi_cfg ad4_roi_cfg_ = {}; 88 bool needs_ds_update_ = false; 89 void PopulateBitClkRates(); 90 std::vector<uint64_t> bitclk_rates_; 91 }; 92 93 } // namespace sdm 94 95 #endif // __HW_PERIPHERAL_DRM_H__ 96