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