1 /* 2 * Copyright (c) 2017-2019, 2021, The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer in the documentation and/or other materials provided 12 * with the distribution. 13 * * Neither the name of The Linux Foundation nor the names of its 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef __DISPLAY_NULL_H__ 31 #define __DISPLAY_NULL_H__ 32 33 #include <core/display_interface.h> 34 #include <string> 35 #include <vector> 36 37 namespace sdm { 38 39 using std::string; 40 using std::vector; 41 42 #define MAKE_NO_OP(virtual_method_signature) \ 43 virtual DisplayError virtual_method_signature { return kErrorNone; } 44 45 class DisplayNull : public DisplayInterface { 46 public: ~DisplayNull()47 virtual ~DisplayNull() { } 48 virtual DisplayError Init(); 49 virtual DisplayError GetMixerResolution(uint32_t *width, uint32_t *height); 50 51 virtual DisplayError GetFrameBufferConfig(DisplayConfigVariableInfo *variable_info); 52 virtual DisplayError GetConfig(uint32_t index, DisplayConfigVariableInfo *disp_attr); 53 virtual DisplayError GetConfig(DisplayConfigFixedInfo *fixed_info); 54 virtual DisplayError GetRefreshRateRange(uint32_t *min_refresh_rate, uint32_t *max_refresh_rate); 55 virtual DisplayError GetActiveConfig(uint32_t *config); 56 virtual DisplayError GetNumVariableInfoConfigs(uint32_t *count); 57 virtual DisplayError Prepare(LayerStack *layer_stack); IsPrimaryDisplay()58 virtual bool IsPrimaryDisplay() { return true; } IsUnderscanSupported()59 virtual bool IsUnderscanSupported() { return true; } SetIdleTimeoutMs(uint32_t active_ms)60 virtual void SetIdleTimeoutMs(uint32_t active_ms) { } 61 virtual DisplayError GetDisplayIdentificationData(uint8_t *out_port, uint32_t *out_data_size, 62 uint8_t *out_data); CheckResourceState()63 virtual bool CheckResourceState() { return false; } Dump()64 virtual string Dump() { return ""; } IsSupportSsppTonemap()65 virtual bool IsSupportSsppTonemap() { return false; } CanSkipValidate()66 virtual bool CanSkipValidate() { return true; } GameEnhanceSupported()67 virtual bool GameEnhanceSupported() { return false; } 68 69 MAKE_NO_OP(TeardownConcurrentWriteback(void)) 70 MAKE_NO_OP(Commit(LayerStack *)) 71 MAKE_NO_OP(GetDisplayState(DisplayState *)) 72 MAKE_NO_OP(SetDisplayState(DisplayState, bool, shared_ptr<Fence> *)) 73 MAKE_NO_OP(SetFrameBufferConfig(const DisplayConfigVariableInfo &)) 74 MAKE_NO_OP(Flush(LayerStack *)) 75 MAKE_NO_OP(GetVSyncState(bool *)) 76 MAKE_NO_OP(SetActiveConfig(uint32_t)) 77 MAKE_NO_OP(SetActiveConfig(DisplayConfigVariableInfo *)) 78 MAKE_NO_OP(SetMaxMixerStages(uint32_t)) 79 MAKE_NO_OP(ControlPartialUpdate(bool, uint32_t *)) 80 MAKE_NO_OP(DisablePartialUpdateOneFrame()) 81 MAKE_NO_OP(SetDisplayMode(uint32_t)) 82 MAKE_NO_OP(SetPanelBrightness(float)) 83 MAKE_NO_OP(CachePanelBrightness(int)) 84 MAKE_NO_OP(OnMinHdcpEncryptionLevelChange(uint32_t)) 85 MAKE_NO_OP(ColorSVCRequestRoute(const PPDisplayAPIPayload &, PPDisplayAPIPayload *, 86 PPPendingParams *)) 87 MAKE_NO_OP(GetColorModeCount(uint32_t *)) 88 MAKE_NO_OP(GetColorModes(uint32_t *, vector<string> *)) 89 MAKE_NO_OP(GetColorModeAttr(const string &, AttrVal *)) 90 MAKE_NO_OP(SetColorMode(const string &)) 91 MAKE_NO_OP(SetColorModeById(int32_t)) 92 MAKE_NO_OP(GetColorModeName(int32_t, string *)) 93 MAKE_NO_OP(SetColorTransform(const uint32_t, const double *)) 94 MAKE_NO_OP(GetDefaultColorMode(string *)) 95 MAKE_NO_OP(ApplyDefaultDisplayMode()) 96 MAKE_NO_OP(SetCursorPosition(int, int)) 97 MAKE_NO_OP(SetRefreshRate(uint32_t, bool, bool)) 98 MAKE_NO_OP(GetPanelBrightness(float *)) 99 MAKE_NO_OP(GetPanelMaxBrightness(uint32_t *)) 100 MAKE_NO_OP(GetRefreshRate(uint32_t *)) 101 MAKE_NO_OP(SetVSyncState(bool)) 102 MAKE_NO_OP(SetMixerResolution(uint32_t, uint32_t)) 103 MAKE_NO_OP(SetDetailEnhancerData(const DisplayDetailEnhancerData &)) 104 MAKE_NO_OP(GetDisplayPort(DisplayPort *)) 105 MAKE_NO_OP(GetDisplayId(int32_t *)) 106 MAKE_NO_OP(GetDisplayType(DisplayType *)) 107 MAKE_NO_OP(SetCompositionState(LayerComposition, bool)) 108 MAKE_NO_OP(GetClientTargetSupport(uint32_t, uint32_t, LayerBufferFormat, 109 const ColorMetaData &)) 110 MAKE_NO_OP(HandleSecureEvent(SecureEvent, LayerStack *)) 111 MAKE_NO_OP(SetQSyncMode(QSyncMode)) 112 MAKE_NO_OP(ControlIdlePowerCollapse(bool, bool)) 113 MAKE_NO_OP(SetDisplayDppsAdROI(void *)) 114 MAKE_NO_OP(SetDynamicDSIClock(uint64_t bit_clk_rate)) 115 MAKE_NO_OP(GetDynamicDSIClock(uint64_t *bit_clk_rate)) 116 MAKE_NO_OP(GetSupportedDSIClock(vector<uint64_t> *bitclk_rates)) 117 MAKE_NO_OP(SetFrameTriggerMode(FrameTriggerMode)) 118 MAKE_NO_OP(SetPanelLuminanceAttributes(float min_lum, float max_lum)) 119 MAKE_NO_OP(SetBLScale(uint32_t)) 120 MAKE_NO_OP(GetQSyncMode(QSyncMode *)) 121 MAKE_NO_OP(colorSamplingOn()); 122 MAKE_NO_OP(colorSamplingOff()); 123 MAKE_NO_OP(SetDisplayElapseTime(uint64_t)) MAKE_NO_OP(ClearLUTs ())124 MAKE_NO_OP(ClearLUTs()) 125 126 void SetActive(bool active) { active_ = active; } IsActive()127 bool IsActive() { return active_; } 128 129 private: 130 bool active_ = false; 131 132 protected: 133 DisplayConfigVariableInfo default_variable_config_ = {}; 134 DisplayConfigFixedInfo default_fixed_config_ = {}; 135 // 1920x1080 60fps panel of name Null Display with PnPID QCM 136 // Contains many 'don't-care' fields and valid checksum bytes 137 const vector<uint8_t> edid_{ 138 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x44, 0x6D, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 139 0x1B, 0x10, 0x01, 0x03, 0x80, 0x50, 0x2D, 0x78, 0x0A, 0x0D, 0xC9, 0xA0, 0x57, 0x47, 0x98, 0x27, 140 0x12, 0x48, 0x4C, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 141 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x3A, 0x80, 0x18, 0x71, 0x38, 0x2D, 0x40, 0x58, 0x2C, 142 0x45, 0x00, 0x50, 0x1D, 0x74, 0x00, 0x00, 0x1E, 0x00, 0x00, 0x00, 0xFE, 0x00, 0x4E, 0x75, 0x6C, 143 0x6C, 0x20, 0x44, 0x69, 0x73, 0x70, 0x6C, 0x61, 0x79, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 144 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 145 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xD1 146 }; 147 }; 148 149 class DisplayNullExternal : public DisplayNull { 150 public: 151 virtual DisplayError Commit(LayerStack *layer_stack); 152 virtual DisplayError GetDisplayState(DisplayState *state); 153 virtual DisplayError SetDisplayState(DisplayState state, bool teardown, 154 shared_ptr<Fence> *release_fence); 155 virtual DisplayError SetFrameBufferConfig(const DisplayConfigVariableInfo &variable_info); 156 virtual DisplayError GetFrameBufferConfig(DisplayConfigVariableInfo *variable_info); 157 virtual DisplayError GetDisplayIdentificationData(uint8_t *out_port, uint32_t *out_data_size, 158 uint8_t *out_data); 159 private: 160 DisplayState state_ = kStateOff; 161 DisplayConfigVariableInfo fb_config_ = {}; 162 }; 163 164 } // namespace sdm 165 166 #endif // __DISPLAY_NULL_H__ 167