Merge branch 'linus' into x86/urgent
[linux-2.6-block.git] / drivers / gpu / drm / nouveau / nvkm / subdev / mmu / vmmgv100.c
1 /*
2  * Copyright 2018 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 "vmm.h"
23
24 #include <subdev/fb.h>
25 #include <subdev/ltc.h>
26
27 #include <nvif/ifc00d.h>
28 #include <nvif/unpack.h>
29
30 int
31 gv100_vmm_join(struct nvkm_vmm *vmm, struct nvkm_memory *inst)
32 {
33         u64 data[2], mask;
34         int ret = gp100_vmm_join(vmm, inst), i;
35         if (ret)
36                 return ret;
37
38         nvkm_kmap(inst);
39         data[0] = nvkm_ro32(inst, 0x200);
40         data[1] = nvkm_ro32(inst, 0x204);
41         mask = BIT_ULL(0);
42
43         nvkm_wo32(inst, 0x21c, 0x00000000);
44
45         for (i = 0; i < 64; i++) {
46                 if (mask & BIT_ULL(i)) {
47                         nvkm_wo32(inst, 0x2a4 + (i * 0x10), data[1]);
48                         nvkm_wo32(inst, 0x2a0 + (i * 0x10), data[0]);
49                 } else {
50                         nvkm_wo32(inst, 0x2a4 + (i * 0x10), 0x00000001);
51                         nvkm_wo32(inst, 0x2a0 + (i * 0x10), 0x00000001);
52                 }
53                 nvkm_wo32(inst, 0x2a8 + (i * 0x10), 0x00000000);
54         }
55
56         nvkm_wo32(inst, 0x298, lower_32_bits(mask));
57         nvkm_wo32(inst, 0x29c, upper_32_bits(mask));
58         nvkm_done(inst);
59         return 0;
60 }
61
62 static const struct nvkm_vmm_func
63 gv100_vmm = {
64         .join = gv100_vmm_join,
65         .part = gf100_vmm_part,
66         .aper = gf100_vmm_aper,
67         .valid = gp100_vmm_valid,
68         .flush = gp100_vmm_flush,
69         .page = {
70                 { 47, &gp100_vmm_desc_16[4], NVKM_VMM_PAGE_Sxxx },
71                 { 38, &gp100_vmm_desc_16[3], NVKM_VMM_PAGE_Sxxx },
72                 { 29, &gp100_vmm_desc_16[2], NVKM_VMM_PAGE_Sxxx },
73                 { 21, &gp100_vmm_desc_16[1], NVKM_VMM_PAGE_SVxC },
74                 { 16, &gp100_vmm_desc_16[0], NVKM_VMM_PAGE_SVxC },
75                 { 12, &gp100_vmm_desc_12[0], NVKM_VMM_PAGE_SVHx },
76                 {}
77         }
78 };
79
80 int
81 gv100_vmm_new(struct nvkm_mmu *mmu, u64 addr, u64 size, void *argv, u32 argc,
82               struct lock_class_key *key, const char *name,
83               struct nvkm_vmm **pvmm)
84 {
85         return nv04_vmm_new_(&gv100_vmm, mmu, 0, addr, size,
86                              argv, argc, key, name, pvmm);
87 }