69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
/*
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* Copyright (c) 2012, 2014, 2015, 2016 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* sortix/kernel/video.h
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* Framework for Sortix video drivers.
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*/
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#ifndef _INCLUDE_SORTIX_KERNEL_VIDEO_H
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#define _INCLUDE_SORTIX_KERNEL_VIDEO_H
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#include <sys/types.h>
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#include <sortix/display.h>
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#include <sortix/kernel/ioctx.h>
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#include <sortix/kernel/refcount.h>
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namespace Sortix {
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class TextBuffer;
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class TextBufferHandle;
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class VideoDevice
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{
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public:
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virtual ~VideoDevice() { }
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virtual uint64_t GetConnectorCount() = 0;
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virtual bool GetDefaultMode(uint64_t connector, struct dispmsg_crtc_mode* mode) = 0;
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virtual bool GetCurrentMode(uint64_t connector, struct dispmsg_crtc_mode* mode) = 0;
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virtual bool SwitchMode(uint64_t connector, struct dispmsg_crtc_mode mode) = 0;
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virtual bool Supports(uint64_t connector, struct dispmsg_crtc_mode mode) = 0;
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virtual struct dispmsg_crtc_mode* GetModes(uint64_t connector, size_t* nummodes) = 0;
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virtual off_t FrameSize() = 0;
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virtual ssize_t WriteAt(ioctx_t* ctx, off_t off, const void* buf, size_t count) = 0;
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virtual ssize_t ReadAt(ioctx_t* ctx, off_t off, void* buf, size_t count) = 0;
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virtual TextBuffer* CreateTextBuffer(uint64_t connector, struct dispmsg_crtc_mode mode) = 0;
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public:
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uint64_t device_index;
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};
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} // namespace Sortix
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namespace Sortix {
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namespace Video {
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bool RegisterDevice(const char* name, VideoDevice* device);
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bool ConfigureDevice(VideoDevice* device);
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bool ResizeDisplay(uint64_t device, uint64_t connector, uint32_t xres,
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uint32_t yres, uint32_t bpp);
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} // namespace Video
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} // namespace Sortix
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#endif
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