xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/mmu/nouveau_nvkm_subdev_mmu_mcp77.c (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: nouveau_nvkm_subdev_mmu_mcp77.c,v 1.2 2021/12/18 23:45:40 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2017 Red Hat Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  */
24 #include <sys/cdefs.h>
25 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_mmu_mcp77.c,v 1.2 2021/12/18 23:45:40 riastradh Exp $");
26 
27 #include "mem.h"
28 #include "vmm.h"
29 
30 #include <nvif/class.h>
31 
32 static const struct nvkm_mmu_func
33 mcp77_mmu = {
34 	.dma_bits = 40,
35 	.mmu = {{ -1, -1, NVIF_CLASS_MMU_NV50}},
36 	.mem = {{ -1,  0, NVIF_CLASS_MEM_NV50}, nv50_mem_new, nv50_mem_map },
37 	.vmm = {{ -1, -1, NVIF_CLASS_VMM_NV50}, mcp77_vmm_new, false, 0x0200 },
38 	.kind = nv50_mmu_kind,
39 	.kind_sys = true,
40 };
41 
42 int
mcp77_mmu_new(struct nvkm_device * device,int index,struct nvkm_mmu ** pmmu)43 mcp77_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu)
44 {
45 	return nvkm_mmu_new_(&mcp77_mmu, device, index, pmmu);
46 }
47