LXR linux/drivers/gpu/drm/nouveau/include/nvkm/subdev/vga.h

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