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/* |
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// Copyright (c) 2014 Intel Corporation |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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*/ |
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#ifndef __DRM_H__ |
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#define __DRM_H__ |
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#include <utils/Mutex.h> |
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#include <hardware/hwcomposer.h> |
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// TODO: psb_drm.h is IP specific defintion |
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#include <linux/psb_drm.h> |
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extern "C" { |
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#include "xf86drm.h" |
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#include "xf86drmMode.h" |
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} |
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namespace android { |
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namespace intel { |
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enum { |
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PANEL_ORIENTATION_0 = 0, |
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PANEL_ORIENTATION_180 |
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}; |
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class Drm { |
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public: |
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Drm(); |
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virtual ~Drm(); |
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public: |
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bool initialize(); |
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void deinitialize(); |
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bool detect(int device); |
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bool setDrmMode(int device, drmModeModeInfo& value); |
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bool setRefreshRate(int device, int hz); |
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bool writeReadIoctl(unsigned long cmd, void *data, |
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unsigned long size); |
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bool writeIoctl(unsigned long cmd, void *data, |
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unsigned long size); |
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bool readIoctl(unsigned long cmd, void *data, |
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unsigned long size); |
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bool isConnected(int device); |
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bool setDpmsMode(int device, int mode); |
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int getDrmFd() const; |
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bool getModeInfo(int device, drmModeModeInfo& mode); |
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bool getPhysicalSize(int device, uint32_t& width, uint32_t& height); |
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bool isSameDrmMode(drmModeModeInfoPtr mode, drmModeModeInfoPtr base) const; |
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int getPanelOrientation(int device); |
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drmModeModeInfoPtr detectAllConfigs(int device, int *modeCount); |
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private: |
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bool initDrmMode(int index); |
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bool setDrmMode(int index, drmModeModeInfoPtr mode); |
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void resetOutput(int index); |
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// map device type to output index, return -1 if not mapped |
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inline int getOutputIndex(int device); |
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private: |
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// DRM object index |
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enum { |
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OUTPUT_PRIMARY = 0, |
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OUTPUT_EXTERNAL, |
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OUTPUT_MAX, |
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}; |
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struct DrmOutput { |
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drmModeConnectorPtr connector; |
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drmModeEncoderPtr encoder; |
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drmModeCrtcPtr crtc; |
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drmModeModeInfo mode; |
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buffer_handle_t fbHandle; |
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uint32_t fbId; |
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int connected; |
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int panelOrientation; |
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} mOutputs[OUTPUT_MAX]; |
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int mDrmFd; |
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Mutex mLock; |
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bool mInitialized; |
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}; |
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} // namespace intel |
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} // namespace android |
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#endif /* __DRM_H__ */
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