got switch to graphical VGA mode working

1 files changed, 38 insertions, 2 deletions

diff --git a/src/drivers/video/vga.h b/src/drivers/video/vga.h
index 9b7f5c3..7c710c3 100644
--- a/src/drivers/video/vga.h
+++ b/src/drivers/video/vga.h
@@ -1,6 +1,8 @@
 #ifndef VGA_H
 #define VGA_H
 
+#include <stdbool.h>
+
 #include "string.h"
 
 #include "interrupts.h"
@@ -8,11 +10,30 @@
 
 #include "driver.h"
 
+#define NOF_MODE_REGS 66
+
+typedef struct {
+	int x;
+	int y;
+	int color_depth;
+	uint8_t regs[NOF_MODE_REGS];
+} vga_mode_t;
+
 typedef struct {
 	driver_t base;
 	interrupt_t *interrupts;
-	port8_t command_port;
-	port8_t data_port;
+	port8_t misc_port;
+	port8_t crtc_index_port;
+	port8_t crtc_data_port;
+	port8_t sequencer_index_port;
+	port8_t sequencer_data_port;
+	port8_t graphics_controller_index_port;
+	port8_t graphics_controller_data_port;
+	port8_t attribute_controller_index_port;
+	port8_t attribute_controller_read_port;
+	port8_t attribute_controller_write_port;
+	port8_t attribute_controller_reset_port;
+	vga_mode_t mode;
 	void *context;
 } vga_t;
 
@@ -26,4 +47,19 @@ void vga_deactivate( void *obj );
 void vga_deinit( void *obj );
 void vga_print_info( void *obj );
 
+vga_mode_t vga_make_mode( const int x, const int y, const int color_depth );
+bool vga_set_mode( vga_t *vga, const vga_mode_t mode );
+bool vga_supports_mode( const vga_mode_t mode );
+
+typedef struct {
+	int R;
+	int G;
+	int B;
+} vga_color_t;
+
+vga_color_t vga_make_RGB( int R, int G, int B );
+
+void vga_set_pixel( vga_t *vga, const int x, const int y, const vga_color_t color );
+void vga_draw_rectangle( vga_t *vga, const int x, const int y, const int w, const int h, const vga_color_t color );
+
 #endif // VGA_H