1 /* SPDX-License-Identifier: MIT */ 2 #ifndef __NVKM_ENGINE_H__ 3 #define __NVKM_ENGINE_H__ 4 #define nvkm_engine(p) container_of((p), struct nvkm_engine, subdev) 5 #include <core/subdev.h> 6 struct nvkm_fifo_chan; 7 struct nvkm_fb_tile; 8 9 extern const struct nvkm_subdev_func nvkm_engine; 10 11 struct nvkm_engine { 12 const struct nvkm_engine_func *func; 13 struct nvkm_subdev subdev; 14 spinlock_t lock; 15 }; 16 17 struct nvkm_engine_func { 18 void *(*dtor)(struct nvkm_engine *); 19 void (*preinit)(struct nvkm_engine *); 20 int (*oneinit)(struct nvkm_engine *); 21 int (*info)(struct nvkm_engine *, u64 mthd, u64 *data); 22 int (*init)(struct nvkm_engine *); 23 int (*fini)(struct nvkm_engine *, bool suspend); 24 int (*reset)(struct nvkm_engine *); 25 void (*intr)(struct nvkm_engine *); 26 void (*tile)(struct nvkm_engine *, int region, struct nvkm_fb_tile *); 27 bool (*chsw_load)(struct nvkm_engine *); 28 29 struct { 30 int (*sclass)(struct nvkm_oclass *, int index, 31 const struct nvkm_device_oclass **); 32 } base; 33 34 struct { 35 int (*cclass)(struct nvkm_fifo_chan *, 36 const struct nvkm_oclass *, 37 struct nvkm_object **); 38 int (*sclass)(struct nvkm_oclass *, int index); 39 } fifo; 40 41 const struct nvkm_object_func *cclass; 42 struct nvkm_sclass sclass[]; 43 }; 44 45 int nvkm_engine_ctor(const struct nvkm_engine_func *, struct nvkm_device *, 46 enum nvkm_subdev_type, int inst, bool enable, struct nvkm_engine *); 47 int nvkm_engine_new_(const struct nvkm_engine_func *, struct nvkm_device *, 48 enum nvkm_subdev_type, int, bool enable, struct nvkm_engine **); 49 50 struct nvkm_engine *nvkm_engine_ref(struct nvkm_engine *); 51 void nvkm_engine_unref(struct nvkm_engine **); 52 int nvkm_engine_reset(struct nvkm_engine *); 53 void nvkm_engine_tile(struct nvkm_engine *, int region); 54 bool nvkm_engine_chsw_load(struct nvkm_engine *); 55 #endif 56