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
gv100_vmm_join(struct nvkm_vmm * vmm,struct nvkm_memory * inst)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
gv100_vmm_new(struct nvkm_mmu * mmu,u64 addr,u64 size,void * argv,u32 argc,struct lock_class_key * key,const char * name,struct nvkm_vmm ** pvmm)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 }
88
