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