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 const u8 *
gm200_mmu_kind(struct nvkm_mmu * mmu,int * count,u8 * invalid)30 gm200_mmu_kind(struct nvkm_mmu *mmu, int *count, u8 *invalid)
31 {
32 static const u8
33 kind[256] = {
34 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0xff, 0x01, /* 0x00 */
35 0x01, 0x01, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff,
36 0xff, 0x11, 0xff, 0xff, 0xff, 0xff, 0xff, 0x11, /* 0x10 */
37 0x11, 0x11, 0x11, 0xff, 0xff, 0xff, 0xff, 0xff,
38 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x26, 0x27, /* 0x20 */
39 0x28, 0x29, 0x2a, 0x2b, 0xff, 0xff, 0xff, 0xff,
40 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x30 */
41 0xff, 0xff, 0x26, 0x27, 0x28, 0x29, 0x26, 0x27,
42 0x28, 0x29, 0xff, 0xff, 0xff, 0xff, 0x46, 0xff, /* 0x40 */
43 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
44 0xff, 0x46, 0x46, 0x46, 0x46, 0xff, 0xff, 0xff, /* 0x50 */
45 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
46 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x60 */
47 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
48 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x70 */
49 0xff, 0xff, 0xff, 0x7b, 0xff, 0xff, 0xff, 0xff,
50 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7b, 0x7b, /* 0x80 */
51 0x7b, 0x7b, 0xff, 0x8b, 0x8c, 0x8d, 0x8e, 0xff,
52 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x90 */
53 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
54 0xff, 0xff, 0xff, 0x8b, 0x8c, 0x8d, 0x8e, 0xa7, /* 0xa0 */
55 0xa8, 0xa9, 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff,
56 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0xb0 */
57 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xa7,
58 0xa8, 0xa9, 0xaa, 0xc3, 0xff, 0xff, 0xff, 0xff, /* 0xc0 */
59 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfe, 0xc3, 0xc3,
60 0xc3, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0xd0 */
61 0xfe, 0xff, 0xff, 0xfe, 0xff, 0xfe, 0xff, 0xfe,
62 0xfe, 0xff, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xff, /* 0xe0 */
63 0xff, 0xfe, 0xff, 0xfe, 0xff, 0xfe, 0xfe, 0xff,
64 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, /* 0xf0 */
65 0xfe, 0xfe, 0xfe, 0xfe, 0xff, 0xfd, 0xfe, 0xff
66 };
67 *count = ARRAY_SIZE(kind);
68 *invalid = 0xff;
69 return kind;
70 }
71
72 static const struct nvkm_mmu_func
73 gm200_mmu = {
74 .dma_bits = 40,
75 .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}},
76 .mem = {{ -1, 0, NVIF_CLASS_MEM_GF100}, gf100_mem_new, gf100_mem_map },
77 .vmm = {{ -1, 0, NVIF_CLASS_VMM_GM200}, gm200_vmm_new },
78 .kind = gm200_mmu_kind,
79 .kind_sys = true,
80 };
81
82 static const struct nvkm_mmu_func
83 gm200_mmu_fixed = {
84 .dma_bits = 40,
85 .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}},
86 .mem = {{ -1, 0, NVIF_CLASS_MEM_GF100}, gf100_mem_new, gf100_mem_map },
87 .vmm = {{ -1, -1, NVIF_CLASS_VMM_GM200}, gm200_vmm_new_fixed },
88 .kind = gm200_mmu_kind,
89 .kind_sys = true,
90 };
91
92 int
gm200_mmu_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_mmu ** pmmu)93 gm200_mmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
94 struct nvkm_mmu **pmmu)
95 {
96 if (device->fb->page)
97 return nvkm_mmu_new_(&gm200_mmu_fixed, device, type, inst, pmmu);
98 return nvkm_mmu_new_(&gm200_mmu, device, type, inst, pmmu);
99 }
100