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vga.h
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1 #ifndef __NOUVEAU_VGA_H__
2 #define __NOUVEAU_VGA_H__
3 
4 #include <core/os.h>
5 
6 /* access to various legacy io ports */
7 u8 nv_rdport(void *obj, int head, u16 port);
8 void nv_wrport(void *obj, int head, u16 port, u8 value);
9 
10 /* VGA Sequencer */
11 u8 nv_rdvgas(void *obj, int head, u8 index);
12 void nv_wrvgas(void *obj, int head, u8 index, u8 value);
13 
14 /* VGA Graphics */
15 u8 nv_rdvgag(void *obj, int head, u8 index);
16 void nv_wrvgag(void *obj, int head, u8 index, u8 value);
17 
18 /* VGA CRTC */
19 u8 nv_rdvgac(void *obj, int head, u8 index);
20 void nv_wrvgac(void *obj, int head, u8 index, u8 value);
21 
22 /* VGA indexed port access dispatcher */
23 u8 nv_rdvgai(void *obj, int head, u16 port, u8 index);
24 void nv_wrvgai(void *obj, int head, u16 port, u8 index, u8 value);
25 
26 bool nv_lockvgac(void *obj, bool lock);
27 u8 nv_rdvgaowner(void *obj);
28 void nv_wrvgaowner(void *obj, u8);
29 
30 #endif