sdm/libs/dal/hw_virtual_drm.h

/*
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/*
* Changes from Qualcomm Innovation Center are provided under the following license:
*
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted (subject to the limitations in the
* disclaimer below) provided that the following conditions are met:
*
*    * Redistributions of source code must retain the above copyright
*      notice, this list of conditions and the following disclaimer.
*
*    * Redistributions in binary form must reproduce the above
*      copyright notice, this list of conditions and the following
*      disclaimer in the documentation and/or other materials provided
*      with the distribution.
*
*    * Neither the name of Qualcomm Innovation Center, Inc. nor the names of its
*      contributors may be used to endorse or promote products derived
*      from this software without specific prior written permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
* GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
* HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef __HW_VIRTUAL_DRM_H__
#define __HW_VIRTUAL_DRM_H__

#include "hw_device_drm.h"
#include <drm/msm_drm.h>
#include <display/drm/sde_drm.h>
#include <vector>

namespace sdm {

class HWVirtualDRM : public HWDeviceDRM {
 public:
  HWVirtualDRM(int32_t display_id, BufferAllocator *buffer_allocator,
               HWInfoInterface *hw_info_intf);
  virtual ~HWVirtualDRM() {}
  virtual DisplayError SetVSyncState(bool enable) { return kErrorNotSupported; }
  virtual DisplayError SetMixerAttributes(const HWMixerAttributes &mixer_attributes) {
    return kErrorNotSupported;
  }
  virtual DisplayError SetDisplayAttributes(const HWDisplayAttributes &display_attributes);
  virtual DisplayError Deinit();

 protected:
  virtual DisplayError Validate(HWLayersInfo *hw_layers_info);
  virtual DisplayError Commit(HWLayersInfo *hw_layers_info);
  virtual DisplayError Flush(HWLayersInfo *hw_layers_info);
  virtual DisplayError GetPPFeaturesVersion(PPFeatureVersion *vers);
  virtual DisplayError PowerOn(const HWQosData &qos_data, SyncPoints *sync_points);
  virtual DisplayError SetScaleLutConfig(HWScaleLutInfo *lut_info) {
    return kErrorNotSupported;
  }
  virtual DisplayError UnsetScaleLutConfig() {
    return kErrorNotSupported;
  }
  virtual DisplayError GetDisplayIdentificationData(uint8_t *out_port, uint32_t *out_data_size,
                                                    uint8_t *out_data);

 private:
  void ConfigureWbConnectorFbId(uint32_t fb_id);
  void ConfigureWbConnectorDestRect(bool reset = false);
  void ConfigureWbConnectorSecureMode(bool secure);
  void InitializeConfigs();
  DisplayError SetWbConfigs(const HWDisplayAttributes &display_attributes);
  void GetModeIndex(const HWDisplayAttributes &display_attributes, int *mode_index);
  void ConfigureDNSC(HWLayersInfo *hw_layers_info);
#ifdef FEATURE_DNSC_BLUR
  struct sde_drm_dnsc_blur_cfg dnsc_cfg_ = {};
#endif
};

}  // namespace sdm

#endif  // __HW_VIRTUAL_DRM_H__