diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h new file mode 100644 index 000000000..f967b97d1 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h @@ -0,0 +1,37 @@ +/* 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 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 |