engine.h (1795B)
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> 6struct nvkm_fifo_chan; 7struct nvkm_fb_tile; 8 9extern const struct nvkm_subdev_func nvkm_engine; 10 11struct nvkm_engine { 12 const struct nvkm_engine_func *func; 13 struct nvkm_subdev subdev; 14 spinlock_t lock; 15 16 struct { 17 refcount_t refcount; 18 struct mutex mutex; 19 bool enabled; 20 } use; 21}; 22 23struct nvkm_engine_func { 24 void *(*dtor)(struct nvkm_engine *); 25 void (*preinit)(struct nvkm_engine *); 26 int (*oneinit)(struct nvkm_engine *); 27 int (*info)(struct nvkm_engine *, u64 mthd, u64 *data); 28 int (*init)(struct nvkm_engine *); 29 int (*fini)(struct nvkm_engine *, bool suspend); 30 void (*intr)(struct nvkm_engine *); 31 void (*tile)(struct nvkm_engine *, int region, struct nvkm_fb_tile *); 32 bool (*chsw_load)(struct nvkm_engine *); 33 34 struct { 35 int (*sclass)(struct nvkm_oclass *, int index, 36 const struct nvkm_device_oclass **); 37 } base; 38 39 struct { 40 int (*cclass)(struct nvkm_fifo_chan *, 41 const struct nvkm_oclass *, 42 struct nvkm_object **); 43 int (*sclass)(struct nvkm_oclass *, int index); 44 } fifo; 45 46 const struct nvkm_object_func *cclass; 47 struct nvkm_sclass sclass[]; 48}; 49 50int nvkm_engine_ctor(const struct nvkm_engine_func *, struct nvkm_device *, 51 enum nvkm_subdev_type, int inst, bool enable, struct nvkm_engine *); 52int nvkm_engine_new_(const struct nvkm_engine_func *, struct nvkm_device *, 53 enum nvkm_subdev_type, int, bool enable, struct nvkm_engine **); 54 55struct nvkm_engine *nvkm_engine_ref(struct nvkm_engine *); 56void nvkm_engine_unref(struct nvkm_engine **); 57void nvkm_engine_tile(struct nvkm_engine *, int region); 58bool nvkm_engine_chsw_load(struct nvkm_engine *); 59#endif