diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/core/engine.h')
-rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/engine.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h new file mode 100644 index 000000000..e58923b67 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h @@ -0,0 +1,59 @@ +/* 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 |