xref: /linux/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h (revision fd7d598270724cc787982ea48bbe17ad383a8b7f)
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 	bool suspend;
12 
13 	spinlock_t lock;
14 	struct list_head list;
15 	struct list_head boot;
16 	u32 reserved;
17 
18 	/* <=nv4x: protects NV_PRAMIN/BAR2 MM
19 	 * >=nv50: protects BAR2 MM & LRU
20 	 */
21 	struct mutex mutex;
22 
23 	struct nvkm_memory *vbios;
24 	struct nvkm_ramht  *ramht;
25 	struct nvkm_memory *ramro;
26 	struct nvkm_memory *ramfc;
27 };
28 
29 u32 nvkm_instmem_rd32(struct nvkm_instmem *, u32 addr);
30 void nvkm_instmem_wr32(struct nvkm_instmem *, u32 addr, u32 data);
31 int nvkm_instobj_new(struct nvkm_instmem *, u32 size, u32 align, bool zero, bool preserve,
32 		     struct nvkm_memory **);
33 int nvkm_instobj_wrap(struct nvkm_device *, struct nvkm_memory *, struct nvkm_memory **);
34 
35 int nv04_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
36 int nv40_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
37 int nv50_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
38 int gk20a_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
39 #endif
40