1 /* 2 * Copyright (c) 2014 - 2016, The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without modification, are permitted 5 * provided that the following conditions are met: 6 * * Redistributions of source code must retain the above copyright notice, this list of 7 * conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above copyright notice, this list of 9 * conditions and the following disclaimer in the documentation and/or other materials provided 10 * with the distribution. 11 * * Neither the name of The Linux Foundation nor the names of its contributors may be used to 12 * endorse or promote products derived from this software without specific prior written 13 * permission. 14 * 15 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 17 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 21 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 22 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #ifndef __HW_DEVICE_H__ 26 #define __HW_DEVICE_H__ 27 28 #include <errno.h> 29 #include <linux/msm_mdp_ext.h> 30 #include <linux/mdss_rotator.h> 31 #include <pthread.h> 32 #include <vector> 33 34 #include "hw_interface.h" 35 #include "hw_scale.h" 36 37 #define IOCTL_LOGE(ioctl, type) DLOGE("ioctl %s, device = %d errno = %d, desc = %s", #ioctl, \ 38 type, errno, strerror(errno)) 39 40 #ifndef MDP_LAYER_MULTIRECT_ENABLE 41 #define MDP_LAYER_MULTIRECT_ENABLE 0 42 #endif 43 44 #ifndef MDP_LAYER_MULTIRECT_PARALLEL_MODE 45 #define MDP_LAYER_MULTIRECT_PARALLEL_MODE 0 46 #endif 47 48 namespace sdm { 49 class HWInfoInterface; 50 51 class HWDevice : public HWInterface { 52 protected: 53 explicit HWDevice(BufferSyncHandler *buffer_sync_handler); 54 virtual ~HWDevice() {} 55 56 // From HWInterface 57 virtual DisplayError GetActiveConfig(uint32_t *active_config); 58 virtual DisplayError GetNumDisplayAttributes(uint32_t *count); 59 virtual DisplayError GetDisplayAttributes(uint32_t index, 60 HWDisplayAttributes *display_attributes); 61 virtual DisplayError GetHWPanelInfo(HWPanelInfo *panel_info); 62 virtual DisplayError SetDisplayAttributes(uint32_t index); 63 virtual DisplayError SetDisplayAttributes(const HWDisplayAttributes &display_attributes); 64 virtual DisplayError GetConfigIndex(uint32_t mode, uint32_t *index); 65 virtual DisplayError PowerOn(); 66 virtual DisplayError PowerOff(); 67 virtual DisplayError Doze(); 68 virtual DisplayError DozeSuspend(); 69 virtual DisplayError Standby(); 70 virtual DisplayError Validate(HWLayers *hw_layers); 71 virtual DisplayError Commit(HWLayers *hw_layers); 72 virtual DisplayError Flush(); 73 virtual DisplayError GetPPFeaturesVersion(PPFeatureVersion *vers); 74 virtual DisplayError SetPPFeatures(PPFeaturesConfig *feature_list); 75 virtual DisplayError SetVSyncState(bool enable); 76 virtual void SetIdleTimeoutMs(uint32_t timeout_ms); 77 virtual DisplayError SetDisplayMode(const HWDisplayMode hw_display_mode); 78 virtual DisplayError SetRefreshRate(uint32_t refresh_rate); 79 virtual DisplayError SetPanelBrightness(int level); 80 virtual DisplayError GetHWScanInfo(HWScanInfo *scan_info); 81 virtual DisplayError GetVideoFormat(uint32_t config_index, uint32_t *video_format); 82 virtual DisplayError GetMaxCEAFormat(uint32_t *max_cea_format); 83 virtual DisplayError SetCursorPosition(HWLayers *hw_layers, int x, int y); 84 virtual DisplayError OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level); 85 virtual DisplayError GetPanelBrightness(int *level); 86 virtual DisplayError SetAutoRefresh(bool enable) { return kErrorNone; } 87 virtual DisplayError SetS3DMode(HWS3DMode s3d_mode); 88 virtual DisplayError SetScaleLutConfig(HWScaleLutInfo *lut_info); 89 virtual DisplayError SetMixerAttributes(const HWMixerAttributes &mixer_attributes); 90 virtual DisplayError GetMixerAttributes(HWMixerAttributes *mixer_attributes); 91 92 // For HWDevice derivatives 93 virtual DisplayError Init(); 94 virtual DisplayError Deinit(); 95 96 enum { 97 kHWEventVSync, 98 kHWEventBlank, 99 }; 100 101 static const int kMaxStringLength = 1024; 102 static const int kNumPhysicalDisplays = 2; 103 104 void DumpLayerCommit(const mdp_layer_commit &layer_commit); 105 DisplayError SetFormat(const LayerBufferFormat &source, uint32_t *target); 106 DisplayError SetStride(HWDeviceType device_type, LayerBufferFormat format, 107 uint32_t width, uint32_t *target); 108 void SetBlending(const LayerBlending &source, mdss_mdp_blend_op *target); 109 void SetRect(const LayerRect &source, mdp_rect *target); 110 void SetMDPFlags(const Layer *layer, const bool &is_rotator_used, 111 bool is_cursor_pipe_used, uint32_t *mdp_flags); 112 // Retrieves HW FrameBuffer Node Index 113 int GetFBNodeIndex(HWDeviceType device_type); 114 // Populates HWPanelInfo based on node index 115 void PopulateHWPanelInfo(); 116 void GetHWPanelInfoByNode(int device_node, HWPanelInfo *panel_info); 117 void GetHWPanelNameByNode(int device_node, HWPanelInfo *panel_info); 118 void GetHWDisplayPortAndMode(int device_node, HWDisplayPort *port, HWDisplayMode *mode); 119 void GetSplitInfo(int device_node, HWPanelInfo *panel_info); 120 void GetHWPanelMaxBrightnessFromNode(HWPanelInfo *panel_info); 121 int ParseLine(const char *input, char *tokens[], const uint32_t max_token, uint32_t *count); 122 int ParseLine(const char *input, const char *delim, char *tokens[], 123 const uint32_t max_token, uint32_t *count); 124 void ResetDisplayParams(); 125 void SetCSC(const LayerCSC source, mdp_color_space *color_space); 126 void SetIGC(const LayerBuffer *layer_buffer, uint32_t index); 127 128 bool EnableHotPlugDetection(int enable); 129 ssize_t SysFsWrite(const char* file_node, const char* value, ssize_t length); 130 131 HWResourceInfo hw_resource_; 132 HWPanelInfo hw_panel_info_; 133 HWInfoInterface *hw_info_intf_; 134 int fb_node_index_; 135 const char *fb_path_; 136 BufferSyncHandler *buffer_sync_handler_; 137 int device_fd_; 138 HWDeviceType device_type_; 139 mdp_layer_commit mdp_disp_commit_; 140 mdp_input_layer mdp_in_layers_[kMaxSDELayers * 2]; // split panel (left + right) 141 HWScale *hw_scale_ = NULL; 142 mdp_overlay_pp_params pp_params_[kMaxSDELayers * 2]; 143 mdp_igc_lut_data_v1_7 igc_lut_data_[kMaxSDELayers * 2]; 144 mdp_output_layer mdp_out_layer_; 145 const char *device_name_; 146 bool synchronous_commit_; 147 HWDisplayAttributes display_attributes_ = {}; 148 HWMixerAttributes mixer_attributes_ = {}; 149 std::vector<mdp_destination_scaler_data> mdp_dest_scalar_data_; 150 }; 151 152 } // namespace sdm 153 154 #endif // __HW_DEVICE_H__ 155 156