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      1 /*	$NetBSD: object.h,v 1.7 2021/12/19 10:51:56 riastradh Exp $	*/
      2 
      3 /* SPDX-License-Identifier: MIT */
      4 #ifndef __NVKM_OBJECT_H__
      5 #define __NVKM_OBJECT_H__
      6 #include <core/oclass.h>
      7 struct nvkm_event;
      8 struct nvkm_gpuobj;
      9 
     10 struct nvkm_object {
     11 	const struct nvkm_object_func *func;
     12 	struct nvkm_client *client;
     13 	struct nvkm_engine *engine;
     14 	s32 oclass;
     15 	u32 handle;
     16 
     17 	struct list_head head;
     18 	struct list_head tree;
     19 	u8  route;
     20 	u64 token;
     21 	u64 object;
     22 	struct rb_node node;
     23 #ifdef __NetBSD__
     24 	bool on_tree;
     25 #endif
     26 };
     27 
     28 enum nvkm_object_map {
     29 	NVKM_OBJECT_MAP_IO,
     30 	NVKM_OBJECT_MAP_VA
     31 };
     32 
     33 struct nvkm_object_func {
     34 	void *(*dtor)(struct nvkm_object *);
     35 	int (*init)(struct nvkm_object *);
     36 	int (*fini)(struct nvkm_object *, bool suspend);
     37 	int (*mthd)(struct nvkm_object *, u32 mthd, void *data, u32 size);
     38 	int (*ntfy)(struct nvkm_object *, u32 mthd, struct nvkm_event **);
     39 #ifdef __NetBSD__
     40 	int (*map)(struct nvkm_object *, void *argv, u32 argc,
     41 		   enum nvkm_object_map *,
     42 		   bus_space_tag_t *tagp, u64 *addr, u64 *size);
     43 #else
     44 	int (*map)(struct nvkm_object *, void *argv, u32 argc,
     45 		   enum nvkm_object_map *, u64 *addr, u64 *size);
     46 #endif
     47 	int (*unmap)(struct nvkm_object *);
     48 	int (*rd08)(struct nvkm_object *, u64 addr, u8 *data);
     49 	int (*rd16)(struct nvkm_object *, u64 addr, u16 *data);
     50 	int (*rd32)(struct nvkm_object *, u64 addr, u32 *data);
     51 	int (*wr08)(struct nvkm_object *, u64 addr, u8 data);
     52 	int (*wr16)(struct nvkm_object *, u64 addr, u16 data);
     53 	int (*wr32)(struct nvkm_object *, u64 addr, u32 data);
     54 	int (*bind)(struct nvkm_object *, struct nvkm_gpuobj *, int align,
     55 		    struct nvkm_gpuobj **);
     56 	int (*sclass)(struct nvkm_object *, int index, struct nvkm_oclass *);
     57 };
     58 
     59 void nvkm_object_ctor(const struct nvkm_object_func *,
     60 		      const struct nvkm_oclass *, struct nvkm_object *);
     61 int nvkm_object_new_(const struct nvkm_object_func *,
     62 		     const struct nvkm_oclass *, void *data, u32 size,
     63 		     struct nvkm_object **);
     64 int nvkm_object_new(const struct nvkm_oclass *, void *data, u32 size,
     65 		    struct nvkm_object **);
     66 void nvkm_object_del(struct nvkm_object **);
     67 void *nvkm_object_dtor(struct nvkm_object *);
     68 int nvkm_object_init(struct nvkm_object *);
     69 int nvkm_object_fini(struct nvkm_object *, bool suspend);
     70 int nvkm_object_mthd(struct nvkm_object *, u32 mthd, void *data, u32 size);
     71 int nvkm_object_ntfy(struct nvkm_object *, u32 mthd, struct nvkm_event **);
     72 #ifdef __NetBSD__
     73 int nvkm_object_map(struct nvkm_object *, void *argv, u32 argc,
     74 		    enum nvkm_object_map *,
     75 		    bus_space_tag_t *, u64 *addr, u64 *size);
     76 #else
     77 int nvkm_object_map(struct nvkm_object *, void *argv, u32 argc,
     78 		    enum nvkm_object_map *, u64 *addr, u64 *size);
     79 #endif
     80 int nvkm_object_unmap(struct nvkm_object *);
     81 int nvkm_object_rd08(struct nvkm_object *, u64 addr, u8  *data);
     82 int nvkm_object_rd16(struct nvkm_object *, u64 addr, u16 *data);
     83 int nvkm_object_rd32(struct nvkm_object *, u64 addr, u32 *data);
     84 int nvkm_object_wr08(struct nvkm_object *, u64 addr, u8   data);
     85 int nvkm_object_wr16(struct nvkm_object *, u64 addr, u16  data);
     86 int nvkm_object_wr32(struct nvkm_object *, u64 addr, u32  data);
     87 int nvkm_object_bind(struct nvkm_object *, struct nvkm_gpuobj *, int align,
     88 		     struct nvkm_gpuobj **);
     89 
     90 bool nvkm_object_insert(struct nvkm_object *);
     91 void nvkm_object_remove(struct nvkm_object *);
     92 struct nvkm_object *nvkm_object_search(struct nvkm_client *, u64 object,
     93 				       const struct nvkm_object_func *);
     94 #endif
     95