blob: ff77ffd662bb19bf38bf449e487fb7f3d393a65f [file] [log] [blame]
/*
// Copyright (c) 2014 Intel Corporation 
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
*/
#ifndef __DRM_H__
#define __DRM_H__
#include <utils/Mutex.h>
#include <linux/psb_drm.h>
extern "C" {
#include "xf86drm.h"
#include "xf86drmMode.h"
}
namespace android {
namespace intel {
enum {
PANEL_ORIENTATION_0 = 0,
PANEL_ORIENTATION_180
};
#ifdef INTEL_SUPPORT_HDMI_PRIMARY
enum {
DEFAULT_DRM_FB_WIDTH = 1920,
DEFAULT_DRM_FB_HEIGHT = 1080,
};
#endif
class Drm {
public:
Drm();
virtual ~Drm();
public:
bool initialize();
void deinitialize();
bool detect(int device);
bool setDrmMode(int device, drmModeModeInfo& value);
bool setRefreshRate(int device, int hz);
bool writeReadIoctl(unsigned long cmd, void *data,
unsigned long size);
bool writeIoctl(unsigned long cmd, void *data,
unsigned long size);
bool readIoctl(unsigned long cmd, void *data,
unsigned long size);
bool isConnected(int device);
bool setDpmsMode(int device, int mode);
int getDrmFd() const;
bool getModeInfo(int device, drmModeModeInfo& mode);
bool getPhysicalSize(int device, uint32_t& width, uint32_t& height);
bool getDisplayResolution(int device, uint32_t& width, uint32_t& height);
bool isSameDrmMode(drmModeModeInfoPtr mode, drmModeModeInfoPtr base) const;
int getPanelOrientation(int device);
drmModeModeInfoPtr detectAllConfigs(int device, int *modeCount);
private:
bool initDrmMode(int index);
bool setDrmMode(int index, drmModeModeInfoPtr mode);
void resetOutput(int index);
// map device type to output index, return -1 if not mapped
inline int getOutputIndex(int device);
private:
// DRM object index
enum {
OUTPUT_PRIMARY = 0,
OUTPUT_EXTERNAL,
OUTPUT_MAX,
};
struct DrmOutput {
drmModeConnectorPtr connector;
drmModeEncoderPtr encoder;
drmModeCrtcPtr crtc;
drmModeModeInfo mode;
uint32_t fbHandle;
uint32_t fbId;
int connected;
int panelOrientation;
} mOutputs[OUTPUT_MAX];
int mDrmFd;
Mutex mLock;
bool mInitialized;
};
} // namespace intel
} // namespace android
#endif /* __DRM_H__ */