1 /* $NetBSD: engine.h,v 1.3 2021/12/18 23:45:33 riastradh Exp $ */ 2 3 /* SPDX-License-Identifier: MIT */ 4 #ifndef __NVKM_ENGINE_H__ 5 #define __NVKM_ENGINE_H__ 6 #define nvkm_engine(p) container_of((p), struct nvkm_engine, subdev) 7 #include <core/subdev.h> 8 struct nvkm_fifo_chan; 9 struct nvkm_fb_tile; 10 11 struct nvkm_engine { 12 const struct nvkm_engine_func *func; 13 struct nvkm_subdev subdev; 14 spinlock_t lock; 15 16 int usecount; 17 }; 18 19 struct nvkm_engine_func { 20 void *(*dtor)(struct nvkm_engine *); 21 void (*preinit)(struct nvkm_engine *); 22 int (*oneinit)(struct nvkm_engine *); 23 int (*info)(struct nvkm_engine *, u64 mthd, u64 *data); 24 int (*init)(struct nvkm_engine *); 25 int (*fini)(struct nvkm_engine *, bool suspend); 26 void (*intr)(struct nvkm_engine *); 27 void (*tile)(struct nvkm_engine *, int region, struct nvkm_fb_tile *); 28 bool (*chsw_load)(struct nvkm_engine *); 29 30 struct { 31 int (*sclass)(struct nvkm_oclass *, int index, 32 const struct nvkm_device_oclass **); 33 } base; 34 35 struct { 36 int (*cclass)(struct nvkm_fifo_chan *, 37 const struct nvkm_oclass *, 38 struct nvkm_object **); 39 int (*sclass)(struct nvkm_oclass *, int index); 40 } fifo; 41 42 const struct nvkm_object_func *cclass; 43 struct nvkm_sclass sclass[]; 44 }; 45 46 int nvkm_engine_ctor(const struct nvkm_engine_func *, struct nvkm_device *, 47 int index, bool enable, struct nvkm_engine *); 48 int nvkm_engine_new_(const struct nvkm_engine_func *, struct nvkm_device *, 49 int index, bool enable, struct nvkm_engine **); 50 struct nvkm_engine *nvkm_engine_ref(struct nvkm_engine *); 51 void nvkm_engine_unref(struct nvkm_engine **); 52 void nvkm_engine_tile(struct nvkm_engine *, int region); 53 bool nvkm_engine_chsw_load(struct nvkm_engine *); 54 #endif 55