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 *
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
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