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/* 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
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