1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __NOUVEAU_VGA_H__ 3 #define __NOUVEAU_VGA_H__ 4 #include <core/subdev.h> 5 6 /* access to various legacy io ports */ 7 u8 nvkm_rdport(struct nvkm_device *, int head, u16 port); 8 void nvkm_wrport(struct nvkm_device *, int head, u16 port, u8 value); 9 10 /* VGA Sequencer */ 11 u8 nvkm_rdvgas(struct nvkm_device *, int head, u8 index); 12 void nvkm_wrvgas(struct nvkm_device *, int head, u8 index, u8 value); 13 14 /* VGA Graphics */ 15 u8 nvkm_rdvgag(struct nvkm_device *, int head, u8 index); 16 void nvkm_wrvgag(struct nvkm_device *, int head, u8 index, u8 value); 17 18 /* VGA CRTC */ 19 u8 nvkm_rdvgac(struct nvkm_device *, int head, u8 index); 20 void nvkm_wrvgac(struct nvkm_device *, int head, u8 index, u8 value); 21 22 /* VGA indexed port access dispatcher */ 23 u8 nvkm_rdvgai(struct nvkm_device *, int head, u16 port, u8 index); 24 void nvkm_wrvgai(struct nvkm_device *, int head, u16 port, u8 index, u8 value); 25 26 bool nvkm_lockvgac(struct nvkm_device *, bool lock); 27 u8 nvkm_rdvgaowner(struct nvkm_device *); 28 void nvkm_wrvgaowner(struct nvkm_device *, u8); 29 #endif 30