0001
0002 #ifndef __NVKM_ENGINE_H__
0003 #define __NVKM_ENGINE_H__
0004 #define nvkm_engine(p) container_of((p), struct nvkm_engine, subdev)
0005 #include <core/subdev.h>
0006 struct nvkm_fifo_chan;
0007 struct nvkm_fb_tile;
0008
0009 extern const struct nvkm_subdev_func nvkm_engine;
0010
0011 struct nvkm_engine {
0012 const struct nvkm_engine_func *func;
0013 struct nvkm_subdev subdev;
0014 spinlock_t lock;
0015
0016 struct {
0017 refcount_t refcount;
0018 struct mutex mutex;
0019 bool enabled;
0020 } use;
0021 };
0022
0023 struct nvkm_engine_func {
0024 void *(*dtor)(struct nvkm_engine *);
0025 void (*preinit)(struct nvkm_engine *);
0026 int (*oneinit)(struct nvkm_engine *);
0027 int (*info)(struct nvkm_engine *, u64 mthd, u64 *data);
0028 int (*init)(struct nvkm_engine *);
0029 int (*fini)(struct nvkm_engine *, bool suspend);
0030 void (*intr)(struct nvkm_engine *);
0031 void (*tile)(struct nvkm_engine *, int region, struct nvkm_fb_tile *);
0032 bool (*chsw_load)(struct nvkm_engine *);
0033
0034 struct {
0035 int (*sclass)(struct nvkm_oclass *, int index,
0036 const struct nvkm_device_oclass **);
0037 } base;
0038
0039 struct {
0040 int (*cclass)(struct nvkm_fifo_chan *,
0041 const struct nvkm_oclass *,
0042 struct nvkm_object **);
0043 int (*sclass)(struct nvkm_oclass *, int index);
0044 } fifo;
0045
0046 const struct nvkm_object_func *cclass;
0047 struct nvkm_sclass sclass[];
0048 };
0049
0050 int nvkm_engine_ctor(const struct nvkm_engine_func *, struct nvkm_device *,
0051 enum nvkm_subdev_type, int inst, bool enable, struct nvkm_engine *);
0052 int nvkm_engine_new_(const struct nvkm_engine_func *, struct nvkm_device *,
0053 enum nvkm_subdev_type, int, bool enable, struct nvkm_engine **);
0054
0055 struct nvkm_engine *nvkm_engine_ref(struct nvkm_engine *);
0056 void nvkm_engine_unref(struct nvkm_engine **);
0057 void nvkm_engine_tile(struct nvkm_engine *, int region);
0058 bool nvkm_engine_chsw_load(struct nvkm_engine *);
0059 #endif
