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
24#include <core/memory.h>
25#include <subdev/bar.h>
26#include <subdev/fb.h>
27
28#include <nvif/class.h>
29#include <nvif/if500b.h>
30#include <nvif/if500d.h>
31#include <nvif/unpack.h>
32
33int
34nv50_mem_map(struct nvkm_mmu *mmu, struct nvkm_memory *memory, void *argv,
35	     u32 argc, u64 *paddr, u64 *psize, struct nvkm_vma **pvma)
36{
37	struct nv50_vmm_map_v0 uvmm = {};
38	union {
39		struct nv50_mem_map_vn vn;
40		struct nv50_mem_map_v0 v0;
41	} *args = argv;
42	struct nvkm_device *device = mmu->subdev.device;
43	struct nvkm_vmm *bar = nvkm_bar_bar1_vmm(device);
44	u64 size = nvkm_memory_size(memory);
45	int ret = -ENOSYS;
46
47	if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
48		uvmm.ro   = args->v0.ro;
49		uvmm.kind = args->v0.kind;
50		uvmm.comp = args->v0.comp;
51	} else
52	if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) {
53	} else
54		return ret;
55
56	ret = nvkm_vmm_get(bar, 12, size, pvma);
57	if (ret)
58		return ret;
59
60	*paddr = device->func->resource_addr(device, 1) + (*pvma)->addr;
61	*psize = (*pvma)->size;
62	return nvkm_memory_map(memory, 0, bar, *pvma, &uvmm, sizeof(uvmm));
63}
64
65int
66nv50_mem_new(struct nvkm_mmu *mmu, int type, u8 page, u64 size,
67	     void *argv, u32 argc, struct nvkm_memory **pmemory)
68{
69	union {
70		struct nv50_mem_vn vn;
71		struct nv50_mem_v0 v0;
72	} *args = argv;
73	int ret = -ENOSYS;
74	bool contig;
75
76	if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
77		type   = args->v0.bankswz ? 0x02 : 0x01;
78		contig = args->v0.contig;
79	} else
80	if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) {
81		type   = 0x01;
82		contig = false;
83	} else
84		return -ENOSYS;
85
86	return nvkm_ram_get(mmu->subdev.device, NVKM_RAM_MM_NORMAL, type,
87			    page, size, contig, false, pmemory);
88}
89