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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);
~HWDevice()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);
SetAutoRefresh(bool enable)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