diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/vga.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/subdev/vga.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/vga.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/vga.h new file mode 100644 index 000000000..15ee5c321 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/vga.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: MIT */ +#ifndef __NOUVEAU_VGA_H__ +#define __NOUVEAU_VGA_H__ +#include <core/subdev.h> + +/* access to various legacy io ports */ +u8 nvkm_rdport(struct nvkm_device *, int head, u16 port); +void nvkm_wrport(struct nvkm_device *, int head, u16 port, u8 value); + +/* VGA Sequencer */ +u8 nvkm_rdvgas(struct nvkm_device *, int head, u8 index); +void nvkm_wrvgas(struct nvkm_device *, int head, u8 index, u8 value); + +/* VGA Graphics */ +u8 nvkm_rdvgag(struct nvkm_device *, int head, u8 index); +void nvkm_wrvgag(struct nvkm_device *, int head, u8 index, u8 value); + +/* VGA CRTC */ +u8 nvkm_rdvgac(struct nvkm_device *, int head, u8 index); +void nvkm_wrvgac(struct nvkm_device *, int head, u8 index, u8 value); + +/* VGA indexed port access dispatcher */ +u8 nvkm_rdvgai(struct nvkm_device *, int head, u16 port, u8 index); +void nvkm_wrvgai(struct nvkm_device *, int head, u16 port, u8 index, u8 value); + +bool nvkm_lockvgac(struct nvkm_device *, bool lock); +u8 nvkm_rdvgaowner(struct nvkm_device *); +void nvkm_wrvgaowner(struct nvkm_device *, u8); +#endif |