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
30int
31gv100_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
62static const struct nvkm_vmm_func
63gv100_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	.mthd = gp100_vmm_mthd,
70	.invalidate_pdb = gp100_vmm_invalidate_pdb,
71	.page = {
72		{ 47, &gp100_vmm_desc_16[4], NVKM_VMM_PAGE_Sxxx },
73		{ 38, &gp100_vmm_desc_16[3], NVKM_VMM_PAGE_Sxxx },
74		{ 29, &gp100_vmm_desc_16[2], NVKM_VMM_PAGE_Sxxx },
75		{ 21, &gp100_vmm_desc_16[1], NVKM_VMM_PAGE_SVxC },
76		{ 16, &gp100_vmm_desc_16[0], NVKM_VMM_PAGE_SVxC },
77		{ 12, &gp100_vmm_desc_12[0], NVKM_VMM_PAGE_SVHx },
78		{}
79	}
80};
81
82int
83gv100_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
84	      void *argv, u32 argc, struct lock_class_key *key,
85	      const char *name, struct nvkm_vmm **pvmm)
86{
87	return gp100_vmm_new_(&gv100_vmm, mmu, managed, addr, size,
88			      argv, argc, key, name, pvmm);
89}
90