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

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