29 lines
1 KiB
C
29 lines
1 KiB
C
/* SPDX-License-Identifier: MIT */
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#ifndef __NOUVEAU_VGA_H__
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#define __NOUVEAU_VGA_H__
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#include <core/subdev.h>
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/* access to various legacy io ports */
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u8 nvkm_rdport(struct nvkm_device *, int head, u16 port);
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void nvkm_wrport(struct nvkm_device *, int head, u16 port, u8 value);
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/* VGA Sequencer */
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u8 nvkm_rdvgas(struct nvkm_device *, int head, u8 index);
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void nvkm_wrvgas(struct nvkm_device *, int head, u8 index, u8 value);
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/* VGA Graphics */
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u8 nvkm_rdvgag(struct nvkm_device *, int head, u8 index);
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void nvkm_wrvgag(struct nvkm_device *, int head, u8 index, u8 value);
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/* VGA CRTC */
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u8 nvkm_rdvgac(struct nvkm_device *, int head, u8 index);
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void nvkm_wrvgac(struct nvkm_device *, int head, u8 index, u8 value);
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/* VGA indexed port access dispatcher */
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u8 nvkm_rdvgai(struct nvkm_device *, int head, u16 port, u8 index);
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void nvkm_wrvgai(struct nvkm_device *, int head, u16 port, u8 index, u8 value);
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bool nvkm_lockvgac(struct nvkm_device *, bool lock);
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u8 nvkm_rdvgaowner(struct nvkm_device *);
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void nvkm_wrvgaowner(struct nvkm_device *, u8);
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#endif
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