1 /* $NetBSD: nouveau_nvkm_subdev_mmu_gm200.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_gm200.c,v 1.2 2021/12/18 23:45:40 riastradh Exp $");
26
27 #include "mem.h"
28 #include "vmm.h"
29
30 #include <subdev/fb.h>
31
32 #include <nvif/class.h>
33
34 const u8 *
gm200_mmu_kind(struct nvkm_mmu * mmu,int * count,u8 * invalid)35 gm200_mmu_kind(struct nvkm_mmu *mmu, int *count, u8 *invalid)
36 {
37 static const u8
38 kind[256] = {
39 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0xff, 0x01, /* 0x00 */
40 0x01, 0x01, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff,
41 0xff, 0x11, 0xff, 0xff, 0xff, 0xff, 0xff, 0x11, /* 0x10 */
42 0x11, 0x11, 0x11, 0xff, 0xff, 0xff, 0xff, 0xff,
43 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x26, 0x27, /* 0x20 */
44 0x28, 0x29, 0x2a, 0x2b, 0xff, 0xff, 0xff, 0xff,
45 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x30 */
46 0xff, 0xff, 0x26, 0x27, 0x28, 0x29, 0x26, 0x27,
47 0x28, 0x29, 0xff, 0xff, 0xff, 0xff, 0x46, 0xff, /* 0x40 */
48 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
49 0xff, 0x46, 0x46, 0x46, 0x46, 0xff, 0xff, 0xff, /* 0x50 */
50 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
51 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x60 */
52 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
53 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x70 */
54 0xff, 0xff, 0xff, 0x7b, 0xff, 0xff, 0xff, 0xff,
55 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7b, 0x7b, /* 0x80 */
56 0x7b, 0x7b, 0xff, 0x8b, 0x8c, 0x8d, 0x8e, 0xff,
57 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x90 */
58 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
59 0xff, 0xff, 0xff, 0x8b, 0x8c, 0x8d, 0x8e, 0xa7, /* 0xa0 */
60 0xa8, 0xa9, 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff,
61 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0xb0 */
62 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xa7,
63 0xa8, 0xa9, 0xaa, 0xc3, 0xff, 0xff, 0xff, 0xff, /* 0xc0 */
64 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfe, 0xc3, 0xc3,
65 0xc3, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0xd0 */
66 0xfe, 0xff, 0xff, 0xfe, 0xff, 0xfe, 0xff, 0xfe,
67 0xfe, 0xff, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xff, /* 0xe0 */
68 0xff, 0xfe, 0xff, 0xfe, 0xff, 0xfe, 0xfe, 0xff,
69 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, /* 0xf0 */
70 0xfe, 0xfe, 0xfe, 0xfe, 0xff, 0xfd, 0xfe, 0xff
71 };
72 *count = ARRAY_SIZE(kind);
73 *invalid = 0xff;
74 return kind;
75 }
76
77 static const struct nvkm_mmu_func
78 gm200_mmu = {
79 .dma_bits = 40,
80 .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}},
81 .mem = {{ -1, 0, NVIF_CLASS_MEM_GF100}, gf100_mem_new, gf100_mem_map },
82 .vmm = {{ -1, 0, NVIF_CLASS_VMM_GM200}, gm200_vmm_new },
83 .kind = gm200_mmu_kind,
84 .kind_sys = true,
85 };
86
87 static const struct nvkm_mmu_func
88 gm200_mmu_fixed = {
89 .dma_bits = 40,
90 .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}},
91 .mem = {{ -1, 0, NVIF_CLASS_MEM_GF100}, gf100_mem_new, gf100_mem_map },
92 .vmm = {{ -1, -1, NVIF_CLASS_VMM_GM200}, gm200_vmm_new_fixed },
93 .kind = gm200_mmu_kind,
94 .kind_sys = true,
95 };
96
97 int
gm200_mmu_new(struct nvkm_device * device,int index,struct nvkm_mmu ** pmmu)98 gm200_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu)
99 {
100 if (device->fb->page)
101 return nvkm_mmu_new_(&gm200_mmu_fixed, device, index, pmmu);
102 return nvkm_mmu_new_(&gm200_mmu, device, index, pmmu);
103 }
104