vga.h

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#ifndef MaxOS_DRIVERS_VGA_H
#define MaxOS_DRIVERS_VGA_H
 
#include <stdint.h>
#include <common/string.h>
#include <hardwarecommunication/interrupts.h>
#include <hardwarecommunication/port.h>
#include <drivers/video/video.h>
 
namespace MaxOS{
 
    namespace drivers{
 
        namespace video{
 
            class VideoGraphicsArray : public VideoDriver{
 
                private:
                    hardwarecommunication::Port8Bit m_misc_port;
                    hardwarecommunication::Port8Bit m_crtc_index_port;
                    hardwarecommunication::Port8Bit crtc_data_port;
                    hardwarecommunication::Port8Bit m_sequence_index_port;
                    hardwarecommunication::Port8Bit m_sequence_data_port;
                    hardwarecommunication::Port8Bit m_graphics_controller_index_port;
                    hardwarecommunication::Port8Bit m_graphics_controller_data_port;
                    hardwarecommunication::Port8Bit m_attribute_controller_index_port;
                    hardwarecommunication::Port8Bit m_attribute_controller_read_port;
                    hardwarecommunication::Port8Bit m_attribute_controller_write_port;
                    hardwarecommunication::Port8Bit m_attribute_controller_reset_port;
 
                    void write_registers(uint8_t* registers);
                    uint8_t* get_frame_buffer_segment();
 
                    bool internal_set_mode(uint32_t width, uint32_t height, uint32_t colour_depth) final;
                    void render_pixel_8_bit(uint32_t x, uint32_t y, uint8_t colour) final;
                    uint8_t get_rendered_pixel_8_bit(uint32_t x, uint32_t y) final;
 
                public:
                       VideoGraphicsArray();
                       ~VideoGraphicsArray();
 
                        string vendor_name() final;
                        string device_name() final;
 
                       bool supports_mode(uint32_t width, uint32_t height, uint32_t colour_depth) final;
           };
        }
    }
}
 
#endif //MaxOS_DRIVERS_VGA_H