/* SPDX-License-Identifier: MIT */ #ifndef __NVKM_ENGINE_H__ #define __NVKM_ENGINE_H__ #define nvkm_engine(p) container_of((p), struct nvkm_engine, subdev) #include <core/subdev.h> struct nvkm_fifo_chan; struct nvkm_fb_tile; extern const struct nvkm_subdev_func nvkm_engine; struct nvkm_engine { const struct nvkm_engine_func *func; struct nvkm_subdev subdev; spinlock_t lock; struct { refcount_t refcount; struct mutex mutex; bool enabled; } use; }; struct nvkm_engine_func { void *(*dtor)(struct nvkm_engine *); void (*preinit)(struct nvkm_engine *); int (*oneinit)(struct nvkm_engine *); int (*info)(struct nvkm_engine *, u64 mthd, u64 *data); int (*init)(struct nvkm_engine *); int (*fini)(struct nvkm_engine *, bool suspend); void (*intr)(struct nvkm_engine *); void (*tile)(struct nvkm_engine *, int region, struct nvkm_fb_tile *); bool (*chsw_load)(struct nvkm_engine *); struct { int (*sclass)(struct nvkm_oclass *, int index, const struct nvkm_device_oclass **); } base; struct { int (*cclass)(struct nvkm_fifo_chan *, const struct nvkm_oclass *, struct nvkm_object **); int (*sclass)(struct nvkm_oclass *, int index); } fifo; const struct nvkm_object_func *cclass; struct nvkm_sclass sclass[]; }; int nvkm_engine_ctor(const struct nvkm_engine_func *, struct nvkm_device *, enum nvkm_subdev_type, int inst, bool enable, struct nvkm_engine *); int nvkm_engine_new_(const struct nvkm_engine_func *, struct nvkm_device *, enum nvkm_subdev_type, int, bool enable, struct nvkm_engine **); struct nvkm_engine *nvkm_engine_ref(struct nvkm_engine *); void nvkm_engine_unref(struct nvkm_engine **); void nvkm_engine_tile(struct nvkm_engine *, int region); bool nvkm_engine_chsw_load(struct nvkm_engine *); #endif