/* 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_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 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 *, enum nvkm_suspend_state suspend);
        int (*reset)(struct nvkm_engine *);
        int (*nonstall)(struct nvkm_engine *);
        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_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 **);
int nvkm_engine_reset(struct nvkm_engine *);
void nvkm_engine_tile(struct nvkm_engine *, int region);
bool nvkm_engine_chsw_load(struct nvkm_engine *);
#endif