1 #ifndef __NOUVEAU_VGA_H__
2 #define __NOUVEAU_VGA_H__
3 #include <core/subdev.h>
4 
5 /* access to various legacy io ports */
6 u8   nvkm_rdport(struct nvkm_device *, int head, u16 port);
7 void nvkm_wrport(struct nvkm_device *, int head, u16 port, u8 value);
8 
9 /* VGA Sequencer */
10 u8   nvkm_rdvgas(struct nvkm_device *, int head, u8 index);
11 void nvkm_wrvgas(struct nvkm_device *, int head, u8 index, u8 value);
12 
13 /* VGA Graphics */
14 u8   nvkm_rdvgag(struct nvkm_device *, int head, u8 index);
15 void nvkm_wrvgag(struct nvkm_device *, int head, u8 index, u8 value);
16 
17 /* VGA CRTC */
18 u8   nvkm_rdvgac(struct nvkm_device *, int head, u8 index);
19 void nvkm_wrvgac(struct nvkm_device *, int head, u8 index, u8 value);
20 
21 /* VGA indexed port access dispatcher */
22 u8   nvkm_rdvgai(struct nvkm_device *, int head, u16 port, u8 index);
23 void nvkm_wrvgai(struct nvkm_device *, int head, u16 port, u8 index, u8 value);
24 
25 bool nvkm_lockvgac(struct nvkm_device *, bool lock);
26 u8   nvkm_rdvgaowner(struct nvkm_device *);
27 void nvkm_wrvgaowner(struct nvkm_device *, u8);
28 #endif
29