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Kernel: Implement generic framebuffer ioctls in BXVGA

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This also hides some functions that were previously public, since that
same functionality is now exposed via ioctl functions.
This commit is contained in:
Conrad Pankoff 2019-08-18 12:29:58 +10:00 • committed by Andreas Kling
parent 5e46122a82
commit 3932dfbb04
2 changed files with 47 additions and 27 deletions
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13
Kernel/Devices/BXVGADevice.h
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@ -12,17 +12,9 @@ public:
BXVGADevice();
PhysicalAddress framebuffer_address() const { return m_framebuffer_address; }
void set_resolution(int width, int height);
void set_y_offset(int);
virtual int ioctl(FileDescription&, unsigned request, unsigned arg) override;
virtual KResultOr<Region*> mmap(Process&, FileDescription&, VirtualAddress preferred_vaddr, size_t offset, size_t, int prot) override;
size_t framebuffer_size_in_bytes() const { return m_framebuffer_width * m_framebuffer_height * sizeof(u32) * 2; }
int framebuffer_width() const { return m_framebuffer_width; }
int framebuffer_height() const { return m_framebuffer_height; }
private:
virtual const char* class_name() const override { return "BXVGA"; }
virtual bool can_read(FileDescription&) const override;
@ -32,8 +24,13 @@ private:
void set_register(u16 index, u16 value);
u32 find_framebuffer_address();
size_t framebuffer_size_in_bytes() const { return m_framebuffer_pitch * m_framebuffer_height * 2; }
void set_resolution(int width, int height);
void set_y_offset(int);
PhysicalAddress m_framebuffer_address;
int m_framebuffer_pitch { 0 };
int m_framebuffer_width { 0 };
int m_framebuffer_height { 0 };
int m_y_offset { 0 };
};