1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NVKM_INSTMEM_H__
3 #define __NVKM_INSTMEM_H__
4 #include <core/subdev.h>
5 struct nvkm_memory;
6 
7 struct nvkm_instmem {
8 	const struct nvkm_instmem_func *func;
9 	struct nvkm_subdev subdev;
10 
11 	spinlock_t lock;
12 	struct list_head list;
13 	struct list_head boot;
14 	u32 reserved;
15 
16 	/* <=nv4x: protects NV_PRAMIN/BAR2 MM
17 	 * >=nv50: protects BAR2 MM & LRU
18 	 */
19 	struct mutex mutex;
20 
21 	struct nvkm_memory *vbios;
22 	struct nvkm_ramht  *ramht;
23 	struct nvkm_memory *ramro;
24 	struct nvkm_memory *ramfc;
25 };
26 
27 u32 nvkm_instmem_rd32(struct nvkm_instmem *, u32 addr);
28 void nvkm_instmem_wr32(struct nvkm_instmem *, u32 addr, u32 data);
29 int nvkm_instobj_new(struct nvkm_instmem *, u32 size, u32 align, bool zero,
30 		     struct nvkm_memory **);
31 int nvkm_instobj_wrap(struct nvkm_device *, struct nvkm_memory *, struct nvkm_memory **);
32 
33 int nv04_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
34 int nv40_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
35 int nv50_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
36 int gk20a_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
37 #endif
38