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/*
* Copyright (c) 2014 - 2018, 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_INTERFACE_H__
#define __HW_INTERFACE_H__
#include <core/buffer_allocator.h>
#include <core/buffer_sync_handler.h>
#include <core/display_interface.h>
#include <private/hw_info_types.h>
#include <private/color_interface.h>
#include <utils/constants.h>
#include "hw_info_interface.h"
namespace sdm {
enum HWScanSupport {
kScanNotSupported,
kScanAlwaysOverscanned,
kScanAlwaysUnderscanned,
kScanBoth,
};
struct HWScanInfo {
HWScanSupport pt_scan_support; // Scan support for preferred timing
HWScanSupport it_scan_support; // Scan support for digital monitor or industry timings
HWScanSupport cea_scan_support; // Scan support for CEA resolution timings
HWScanInfo() : pt_scan_support(kScanNotSupported), it_scan_support(kScanNotSupported),
cea_scan_support(kScanNotSupported) { }
};
// HWEventHandler - Implemented in DisplayBase and HWInterface implementation
class HWEventHandler {
public:
virtual DisplayError VSync(int64_t timestamp) = 0;
virtual DisplayError Blank(bool blank) = 0;
virtual void IdleTimeout() = 0;
virtual void ThermalEvent(int64_t thermal_level) = 0;
virtual void CECMessage(char *message) = 0;
virtual void IdlePowerCollapse() = 0;
virtual void PingPongTimeout() = 0;
virtual void PanelDead() = 0;
protected:
virtual ~HWEventHandler() { }
};
class HWInterface {
public:
static DisplayError Create(DisplayType type, HWInfoInterface *hw_info_intf,
BufferSyncHandler *buffer_sync_handler,
BufferAllocator *buffer_allocator, HWInterface **intf);
static DisplayError Destroy(HWInterface *intf);
virtual DisplayError Init() = 0;
virtual DisplayError Deinit() = 0;
virtual DisplayError GetActiveConfig(uint32_t *active_config) = 0;
virtual DisplayError GetNumDisplayAttributes(uint32_t *count) = 0;
virtual DisplayError GetDisplayAttributes(uint32_t index,
HWDisplayAttributes *display_attributes) = 0;
virtual DisplayError GetHWPanelInfo(HWPanelInfo *panel_info) = 0;
virtual DisplayError SetDisplayAttributes(uint32_t index) = 0;
virtual DisplayError SetDisplayAttributes(const HWDisplayAttributes &display_attributes) = 0;
virtual DisplayError GetConfigIndex(char *mode, uint32_t *index) = 0;
virtual DisplayError PowerOn(int *release_fence) = 0;
virtual DisplayError PowerOff() = 0;
virtual DisplayError Doze(int *release_fence) = 0;
virtual DisplayError DozeSuspend(int *release_fence) = 0;
virtual DisplayError Standby() = 0;
virtual DisplayError Validate(HWLayers *hw_layers) = 0;
virtual DisplayError Commit(HWLayers *hw_layers) = 0;
virtual DisplayError Flush() = 0;
virtual DisplayError GetPPFeaturesVersion(PPFeatureVersion *vers) = 0;
virtual DisplayError SetPPFeatures(PPFeaturesConfig *feature_list) = 0;
virtual DisplayError SetVSyncState(bool enable) = 0;
virtual void SetIdleTimeoutMs(uint32_t timeout_ms) = 0;
virtual DisplayError SetDisplayMode(const HWDisplayMode hw_display_mode) = 0;
virtual DisplayError SetRefreshRate(uint32_t refresh_rate) = 0;
virtual DisplayError SetPanelBrightness(int level) = 0;
virtual DisplayError GetHWScanInfo(HWScanInfo *scan_info) = 0;
virtual DisplayError GetVideoFormat(uint32_t config_index, uint32_t *video_format) = 0;
virtual DisplayError GetMaxCEAFormat(uint32_t *max_cea_format) = 0;
virtual DisplayError SetCursorPosition(HWLayers *hw_layers, int x, int y) = 0;
virtual DisplayError OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level) = 0;
virtual DisplayError GetPanelBrightness(int *level) = 0;
virtual DisplayError SetAutoRefresh(bool enable) = 0;
virtual DisplayError SetS3DMode(HWS3DMode s3d_mode) = 0;
virtual DisplayError SetScaleLutConfig(HWScaleLutInfo *lut_info) = 0;
virtual DisplayError SetMixerAttributes(const HWMixerAttributes &mixer_attributes) = 0;
virtual DisplayError GetMixerAttributes(HWMixerAttributes *mixer_attributes) = 0;
virtual DisplayError DumpDebugData() = 0;
virtual DisplayError ControlIdlePowerCollapse(bool enable, bool synchronous) = 0;
virtual DisplayError TeardownConcurrentWriteback(void) = 0;
protected:
virtual ~HWInterface() { }
};
} // namespace sdm
#endif // __HW_INTERFACE_H__
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