1 /*
2 * Copyright 2017 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22 #include "mem.h"
23 #include "vmm.h"
24
25 #include <subdev/fb.h>
26
27 #include <nvif/class.h>
28
29 static const struct nvkm_mmu_func
30 gm20b_mmu = {
31 .dma_bits = 40,
32 .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}},
33 .mem = {{ -1, -1, NVIF_CLASS_MEM_GF100}, .umap = gf100_mem_map },
34 .vmm = {{ -1, 0, NVIF_CLASS_VMM_GM200}, gm20b_vmm_new },
35 .kind = gm200_mmu_kind,
36 .kind_sys = true,
37 };
38
39 static const struct nvkm_mmu_func
40 gm20b_mmu_fixed = {
41 .dma_bits = 40,
42 .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}},
43 .mem = {{ -1, -1, NVIF_CLASS_MEM_GF100}, .umap = gf100_mem_map },
44 .vmm = {{ -1, -1, NVIF_CLASS_VMM_GM200}, gm20b_vmm_new_fixed },
45 .kind = gm200_mmu_kind,
46 .kind_sys = true,
47 };
48
49 int
50 gm20b_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu)
51 {
52 if (device->fb->page)
53 return nvkm_mmu_new_(&gm20b_mmu_fixed, device, index, pmmu);
54 return nvkm_mmu_new_(&gm20b_mmu, device, index, pmmu);
55 }