1 files changed, 168 insertions, 0 deletions
diff --git a/msm8909/sdm/libs/core/drm/hw_device_drm.h b/msm8909/sdm/libs/core/drm/hw_device_drm.h
new file mode 100644
index 00000000..cc2ae7bc
--- /dev/null
+++ b/msm8909/sdm/libs/core/drm/hw_device_drm.h
@@ -0,0 +1,168 @@
+/*
+* Copyright (c) 2017, The Linux Foundation. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted 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 The Linux Foundation nor the names of its
+*       contributors may be used to endorse or promote products derived
+*       from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+* ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER 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_DEVICE_DRM_H__
+#define __HW_DEVICE_DRM_H__
+
+#include <drm_interface.h>
+#include <errno.h>
+#include <pthread.h>
+#include <xf86drmMode.h>
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+#include "hw_interface.h"
+#include "hw_scale_drm.h"
+
+#define IOCTL_LOGE(ioctl, type) \
+  DLOGE("ioctl %s, device = %d errno = %d, desc = %s", #ioctl, type, errno, strerror(errno))
+
+namespace sdm {
+class HWInfoInterface;
+
+class HWDeviceDRM : public HWInterface {
+ public:
+  explicit HWDeviceDRM(BufferSyncHandler *buffer_sync_handler, BufferAllocator *buffer_allocator,
+                       HWInfoInterface *hw_info_intf);
+  virtual ~HWDeviceDRM() {}
+  virtual DisplayError Init();
+  virtual DisplayError Deinit();
+
+ protected:
+  // From HWInterface
+  virtual DisplayError GetActiveConfig(uint32_t *active_config);
+  virtual DisplayError GetNumDisplayAttributes(uint32_t *count);
+  virtual DisplayError GetDisplayAttributes(uint32_t index,
+                                            HWDisplayAttributes *display_attributes);
+  virtual DisplayError GetHWPanelInfo(HWPanelInfo *panel_info);
+  virtual DisplayError SetDisplayAttributes(uint32_t index);
+  virtual DisplayError SetDisplayAttributes(const HWDisplayAttributes &display_attributes);
+  virtual DisplayError GetConfigIndex(uint32_t mode, uint32_t *index);
+  virtual DisplayError PowerOn();
+  virtual DisplayError PowerOff();
+  virtual DisplayError Doze();
+  virtual DisplayError DozeSuspend();
+  virtual DisplayError Standby();
+  virtual DisplayError Validate(HWLayers *hw_layers);
+  virtual DisplayError Commit(HWLayers *hw_layers);
+  virtual DisplayError Flush();
+  virtual DisplayError GetPPFeaturesVersion(PPFeatureVersion *vers);
+  virtual DisplayError SetPPFeatures(PPFeaturesConfig *feature_list);
+  virtual DisplayError SetVSyncState(bool enable);
+  virtual void SetIdleTimeoutMs(uint32_t timeout_ms);
+  virtual DisplayError SetDisplayMode(const HWDisplayMode hw_display_mode);
+  virtual DisplayError SetRefreshRate(uint32_t refresh_rate);
+  virtual DisplayError SetPanelBrightness(int level);
+  virtual DisplayError CachePanelBrightness(int level);
+  virtual DisplayError GetHWScanInfo(HWScanInfo *scan_info);
+  virtual DisplayError GetVideoFormat(uint32_t config_index, uint32_t *video_format);
+  virtual DisplayError GetMaxCEAFormat(uint32_t *max_cea_format);
+  virtual DisplayError SetCursorPosition(HWLayers *hw_layers, int x, int y);
+  virtual DisplayError OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level);
+  virtual DisplayError GetPanelBrightness(int *level);
+  virtual DisplayError SetAutoRefresh(bool enable) { return kErrorNone; }
+  virtual DisplayError SetS3DMode(HWS3DMode s3d_mode);
+  virtual DisplayError SetScaleLutConfig(HWScaleLutInfo *lut_info);
+  virtual DisplayError SetMixerAttributes(const HWMixerAttributes &mixer_attributes);
+  virtual DisplayError GetMixerAttributes(HWMixerAttributes *mixer_attributes);
+
+  enum {
+    kHWEventVSync,
+    kHWEventBlank,
+  };
+
+  static const int kMaxStringLength = 1024;
+  static const int kNumPhysicalDisplays = 2;
+  static const int kMaxSysfsCommandLength = 12;
+  static constexpr const char *kBrightnessNode =
+    "/sys/class/backlight/panel0-backlight/brightness";
+
+  DisplayError SetFormat(const LayerBufferFormat &source, uint32_t *target);
+  DisplayError SetStride(HWDeviceType device_type, LayerBufferFormat format, uint32_t width,
+                         uint32_t *target);
+  DisplayError PopulateDisplayAttributes();
+  void PopulateHWPanelInfo();
+  void GetHWDisplayPortAndMode();
+  void GetHWPanelMaxBrightness();
+  void ResetDisplayParams();
+  bool EnableHotPlugDetection(int enable);
+  void UpdateMixerAttributes();
+  void InitializeConfigs();
+  void SetBlending(const LayerBlending &source, sde_drm::DRMBlendType *target);
+  void SetSrcConfig(const LayerBuffer &input_buffer, uint32_t *config);
+  void SetRect(const LayerRect &source, sde_drm::DRMRect *target);
+  DisplayError DefaultCommit(HWLayers *hw_layers);
+  DisplayError AtomicCommit(HWLayers *hw_layers);
+  void SetupAtomic(HWLayers *hw_layers, bool validate);
+
+  class Registry {
+   public:
+    explicit Registry(BufferAllocator *buffer_allocator) : buffer_allocator_(buffer_allocator) {}
+    // Call on each validate and commit to register layer buffers
+    void RegisterCurrent(HWLayers *hw_layers);
+    // Call at the end of draw cycle to clear the next slot for business
+    void UnregisterNext();
+    // Call on display disconnect to release all gem handles and fb_ids
+    void Clear();
+    // Finds an fb_id corresponding to an fd in current map
+    uint32_t GetFbId(int fd);
+
+   private:
+    static const int kCycleDelay = 1;  // N cycle delay before destroy
+    // fd to fb_id map. fd is used as key only for a single draw cycle between
+    // prepare and commit. It should not be used for caching in future due to fd recycling
+    std::unordered_map<int, uint32_t> hashmap_[kCycleDelay] {};
+    int current_index_ = 0;
+    BufferAllocator *buffer_allocator_ = {};
+  };
+
+  HWResourceInfo hw_resource_ = {};
+  HWPanelInfo hw_panel_info_ = {};
+  HWInfoInterface *hw_info_intf_ = {};
+  BufferSyncHandler *buffer_sync_handler_ = {};
+  HWDeviceType device_type_ = {};
+  const char *device_name_ = {};
+  bool synchronous_commit_ = false;
+  HWDisplayAttributes display_attributes_ = {};
+  HWMixerAttributes mixer_attributes_ = {};
+  sde_drm::DRMManagerInterface *drm_mgr_intf_ = {};
+  sde_drm::DRMAtomicReqInterface *drm_atomic_intf_ = {};
+  sde_drm::DRMDisplayToken token_ = {};
+  drmModeModeInfo current_mode_ = {};
+  bool default_mode_ = false;
+  sde_drm::DRMConnectorInfo connector_info_ = {};
+  std::string interface_str_ = "DSI";
+  HWScaleDRM *hw_scale_ = {};
+  Registry registry_;
+};
+
+}  // namespace sdm
+
+#endif  // __HW_DEVICE_DRM_H__