linux-zen-server/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h

38 lines
1.2 KiB
C

/* SPDX-License-Identifier: MIT */
#ifndef __NVKM_INSTMEM_H__
#define __NVKM_INSTMEM_H__
#include <core/subdev.h>
struct nvkm_memory;
struct nvkm_instmem {
const struct nvkm_instmem_func *func;
struct nvkm_subdev subdev;
spinlock_t lock;
struct list_head list;
struct list_head boot;
u32 reserved;
/* <=nv4x: protects NV_PRAMIN/BAR2 MM
* >=nv50: protects BAR2 MM & LRU
*/
struct mutex mutex;
struct nvkm_memory *vbios;
struct nvkm_ramht *ramht;
struct nvkm_memory *ramro;
struct nvkm_memory *ramfc;
};
u32 nvkm_instmem_rd32(struct nvkm_instmem *, u32 addr);
void nvkm_instmem_wr32(struct nvkm_instmem *, u32 addr, u32 data);
int nvkm_instobj_new(struct nvkm_instmem *, u32 size, u32 align, bool zero,
struct nvkm_memory **);
int nvkm_instobj_wrap(struct nvkm_device *, struct nvkm_memory *, struct nvkm_memory **);
int nv04_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
int nv40_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
int nv50_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
int gk20a_instmem_new(struct nvkm_device *, enum nvkm_subdev_type, int, struct nvkm_instmem **);
#endif