1 /*
2  * Copyright 2010 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  * Authors: Ben Skeggs
23  */
24 #include "mem.h"
25 #include "vmm.h"
26 
27 #include <nvif/class.h>
28 
29 /* Map from compressed to corresponding uncompressed storage type.
30  * The value 0xff represents an invalid storage type.
31  */
32 const u8 *
33 gf100_mmu_kind(struct nvkm_mmu *mmu, int *count, u8 *invalid)
34 {
35 	static const u8
36 	kind[256] = {
37 		0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0xff, 0x01, /* 0x00 */
38 		0x01, 0x01, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff,
39 		0xff, 0x11, 0xff, 0xff, 0xff, 0xff, 0xff, 0x11, /* 0x10 */
40 		0x11, 0x11, 0x11, 0xff, 0xff, 0xff, 0xff, 0xff,
41 		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x26, 0x27, /* 0x20 */
42 		0x28, 0x29, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
43 		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x30 */
44 		0xff, 0xff, 0x26, 0x27, 0x28, 0x29, 0x26, 0x27,
45 		0x28, 0x29, 0xff, 0xff, 0xff, 0xff, 0x46, 0xff, /* 0x40 */
46 		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
47 		0xff, 0x46, 0x46, 0x46, 0x46, 0xff, 0xff, 0xff, /* 0x50 */
48 		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
49 		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x60 */
50 		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
51 		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x70 */
52 		0xff, 0xff, 0xff, 0x7b, 0xff, 0xff, 0xff, 0xff,
53 		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7b, 0x7b, /* 0x80 */
54 		0x7b, 0x7b, 0xff, 0x8b, 0x8c, 0x8d, 0x8e, 0xff,
55 		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x90 */
56 		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
57 		0xff, 0xff, 0xff, 0x8b, 0x8c, 0x8d, 0x8e, 0xa7, /* 0xa0 */
58 		0xa8, 0xa9, 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff,
59 		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0xb0 */
60 		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xa7,
61 		0xa8, 0xa9, 0xaa, 0xc3, 0xff, 0xff, 0xff, 0xff, /* 0xc0 */
62 		0xff, 0xff, 0xff, 0xff, 0xfe, 0xfe, 0xc3, 0xc3,
63 		0xc3, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0xd0 */
64 		0xfe, 0xff, 0xff, 0xfe, 0xff, 0xfe, 0xff, 0xfe,
65 		0xfe, 0xff, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xff, /* 0xe0 */
66 		0xff, 0xfe, 0xff, 0xfe, 0xff, 0xfe, 0xfe, 0xff,
67 		0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, /* 0xf0 */
68 		0xfe, 0xfe, 0xfe, 0xfe, 0xff, 0xfd, 0xfe, 0xff
69 	};
70 
71 	*count = ARRAY_SIZE(kind);
72 	*invalid = 0xff;
73 	return kind;
74 }
75 
76 static const struct nvkm_mmu_func
77 gf100_mmu = {
78 	.dma_bits = 40,
79 	.mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}},
80 	.mem = {{ -1,  0, NVIF_CLASS_MEM_GF100}, gf100_mem_new, gf100_mem_map },
81 	.vmm = {{ -1, -1, NVIF_CLASS_VMM_GF100}, gf100_vmm_new },
82 	.kind = gf100_mmu_kind,
83 	.kind_sys = true,
84 };
85 
86 int
87 gf100_mmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
88 	      struct nvkm_mmu **pmmu)
89 {
90 	return nvkm_mmu_new_(&gf100_mmu, device, type, inst, pmmu);
91 }
92