xref: /openbmc/linux/drivers/gpu/drm/nouveau/include/nvkm/engine/dma.h (revision b24413180f5600bcb3bb70fbed5cf186b60864bd)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __NVKM_DMA_H__
3 #define __NVKM_DMA_H__
4 #include <core/engine.h>
5 struct nvkm_client;
6 
7 struct nvkm_dmaobj {
8 	const struct nvkm_dmaobj_func *func;
9 	struct nvkm_dma *dma;
10 
11 	struct nvkm_object object;
12 	u32 target;
13 	u32 access;
14 	u64 start;
15 	u64 limit;
16 };
17 
18 struct nvkm_dma {
19 	const struct nvkm_dma_func *func;
20 	struct nvkm_engine engine;
21 };
22 
23 struct nvkm_dmaobj *nvkm_dmaobj_search(struct nvkm_client *, u64 object);
24 
25 int nv04_dma_new(struct nvkm_device *, int, struct nvkm_dma **);
26 int nv50_dma_new(struct nvkm_device *, int, struct nvkm_dma **);
27 int gf100_dma_new(struct nvkm_device *, int, struct nvkm_dma **);
28 int gf119_dma_new(struct nvkm_device *, int, struct nvkm_dma **);
29 #endif
30