| /* |
| * Copyright (c) 2014 - 2015, 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_DEVICE_H__ |
| #define __HW_DEVICE_H__ |
| |
| #include <errno.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <linux/msm_mdp_ext.h> |
| #include <video/msm_hdmi_modes.h> |
| #include <linux/mdss_rotator.h> |
| #include <poll.h> |
| #include <pthread.h> |
| |
| #include "hw_interface.h" |
| #include "hw_info_interface.h" |
| |
| #define IOCTL_LOGE(ioctl, type) DLOGE("ioctl %s, device = %d errno = %d, desc = %s", #ioctl, \ |
| type, errno, strerror(errno)) |
| |
| namespace sde { |
| |
| class HWDevice { |
| protected: |
| explicit HWDevice(BufferSyncHandler *buffer_sync_handler); |
| DisplayError Init(); |
| DisplayError Open(HWEventHandler *eventhandler); |
| DisplayError Close(); |
| DisplayError GetNumDisplayAttributes(uint32_t *count); |
| DisplayError GetDisplayAttributes(HWDisplayAttributes *display_attributes, |
| uint32_t index); |
| DisplayError GetHWPanelInfo(HWPanelInfo *panel_info); |
| DisplayError SetDisplayAttributes(uint32_t index); |
| DisplayError GetConfigIndex(uint32_t mode, uint32_t *index); |
| DisplayError PowerOn(); |
| DisplayError PowerOff(); |
| DisplayError Doze(); |
| DisplayError DozeSuspend(); |
| DisplayError Standby(); |
| DisplayError Validate(HWLayers *hw_layers); |
| DisplayError Commit(HWLayers *hw_layers); |
| DisplayError Flush(); |
| |
| enum { |
| kHWEventVSync, |
| kHWEventBlank, |
| }; |
| |
| static const int kMaxStringLength = 1024; |
| static const int kNumPhysicalDisplays = 2; |
| static const int kNumDisplayEvents = 4; |
| |
| void DumpLayerCommit(const mdp_layer_commit &layer_commit); |
| DisplayError SetFormat(const LayerBufferFormat &source, uint32_t *target); |
| DisplayError SetStride(HWDeviceType device_type, LayerBufferFormat format, |
| uint32_t width, uint32_t *target); |
| void SetBlending(const LayerBlending &source, mdss_mdp_blend_op *target); |
| void SetRect(const LayerRect &source, mdp_rect *target); |
| void SetMDPFlags(const Layer &layer, const bool &is_rotator_used, uint32_t *mdp_flags); |
| void SyncMerge(const int &fd1, const int &fd2, int *target); |
| |
| // Retrieves HW FrameBuffer Node Index |
| int GetFBNodeIndex(HWDeviceType device_type); |
| // Populates HWPanelInfo based on node index |
| void PopulateHWPanelInfo(); |
| void GetHWPanelInfoByNode(int device_node, HWPanelInfo *panel_info); |
| HWDisplayPort GetHWDisplayPort(int device_node); |
| HWDisplayMode GetHWDisplayMode(int device_node); |
| void GetSplitInfo(int device_node, HWPanelInfo *panel_info); |
| int ParseLine(char *input, char *tokens[], const uint32_t max_token, uint32_t *count); |
| mdp_scale_data* GetScaleDataRef(uint32_t index) { return &scale_data_[index]; } |
| void SetHWScaleData(const ScaleData &scale, uint32_t index); |
| void ResetDisplayParams(); |
| |
| bool EnableHotPlugDetection(int enable); |
| |
| // Pointers to system calls which are either mapped to actual system call or virtual driver. |
| int (*ioctl_)(int, int, ...); |
| int (*open_)(const char *, int, ...); |
| int (*close_)(int); |
| int (*poll_)(struct pollfd *, nfds_t, int); |
| ssize_t (*pread_)(int, void *, size_t, off_t); |
| ssize_t (*pwrite_)(int, const void *, size_t, off_t); |
| FILE* (*fopen_)( const char *fname, const char *mode); |
| int (*fclose_)(FILE* fileptr); |
| ssize_t (*getline_)(char **lineptr, size_t *linelen, FILE *stream); |
| |
| // Store the Device EventHandler - used for callback |
| HWEventHandler *event_handler_; |
| HWResourceInfo hw_resource_; |
| HWPanelInfo hw_panel_info_; |
| HWInfoInterface *hw_info_intf_; |
| int fb_node_index_; |
| const char *fb_path_; |
| bool hotplug_enabled_; |
| BufferSyncHandler *buffer_sync_handler_; |
| int device_fd_; |
| HWDeviceType device_type_; |
| mdp_layer_commit mdp_disp_commit_; |
| mdp_input_layer mdp_in_layers_[kMaxSDELayers * 2]; // split panel (left + right) |
| mdp_scale_data scale_data_[kMaxSDELayers * 2]; |
| mdp_output_layer mdp_out_layer_; |
| const char *device_name_; |
| bool synchronous_commit_; |
| }; |
| |
| } // namespace sde |
| |
| #endif // __HW_DEVICE_H__ |
| |