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      1 /*	$NetBSD: bus.h,v 1.3 2021/12/18 23:45:33 riastradh Exp $	*/
      2 
      3 /* SPDX-License-Identifier: MIT */
      4 #ifndef __NVKM_BUS_H__
      5 #define __NVKM_BUS_H__
      6 #include <core/subdev.h>
      7 
      8 struct nvkm_bus {
      9 	const struct nvkm_bus_func *func;
     10 	struct nvkm_subdev subdev;
     11 };
     12 
     13 /* interface to sequencer */
     14 struct nvkm_hwsq;
     15 int  nvkm_hwsq_init(struct nvkm_subdev *, struct nvkm_hwsq **);
     16 int  nvkm_hwsq_fini(struct nvkm_hwsq **, bool exec);
     17 void nvkm_hwsq_wr32(struct nvkm_hwsq *, u32 addr, u32 data);
     18 void nvkm_hwsq_setf(struct nvkm_hwsq *, u8 flag, int data);
     19 void nvkm_hwsq_wait(struct nvkm_hwsq *, u8 flag, u8 data);
     20 void nvkm_hwsq_wait_vblank(struct nvkm_hwsq *);
     21 void nvkm_hwsq_nsec(struct nvkm_hwsq *, u32 nsec);
     22 
     23 int nv04_bus_new(struct nvkm_device *, int, struct nvkm_bus **);
     24 int nv31_bus_new(struct nvkm_device *, int, struct nvkm_bus **);
     25 int nv50_bus_new(struct nvkm_device *, int, struct nvkm_bus **);
     26 int g94_bus_new(struct nvkm_device *, int, struct nvkm_bus **);
     27 int gf100_bus_new(struct nvkm_device *, int, struct nvkm_bus **);
     28 #endif
     29