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gm200.c

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linux-6.19.14/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/gm200.c C
 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
29const u8 *
30gm200_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
72static const struct nvkm_mmu_func
73gm200_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
82static const struct nvkm_mmu_func
83gm200_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
92int
93gm200_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}
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