memnv04.c

 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/fb.h>
26
27#include <nvif/if000b.h>
28#include <nvif/unpack.h>
29
30int
31nv04_mem_map(struct nvkm_mmu *mmu, struct nvkm_memory *memory, void *argv,
32	     u32 argc, u64 *paddr, u64 *psize, struct nvkm_vma **pvma)
33{
34	union {
35		struct nv04_mem_map_vn vn;
36	} *args = argv;
37	struct nvkm_device *device = mmu->subdev.device;
38	const u64 addr = nvkm_memory_addr(memory);
39	int ret = -ENOSYS;
40
41	if ((ret = nvif_unvers(ret, &argv, &argc, args->vn)))
42		return ret;
43
44	*paddr = device->func->resource_addr(device, NVKM_BAR1_FB) + addr;
45	*psize = nvkm_memory_size(memory);
46	*pvma = ERR_PTR(-ENODEV);
47	return 0;
48}
49
50int
51nv04_mem_new(struct nvkm_mmu *mmu, int type, u8 page, u64 size,
52	     void *argv, u32 argc, struct nvkm_memory **pmemory)
53{
54	union {
55		struct nv04_mem_vn vn;
56	} *args = argv;
57	int ret = -ENOSYS;
58
59	if ((ret = nvif_unvers(ret, &argv, &argc, args->vn)))
60		return ret;
61
62	if (mmu->type[type].type & NVKM_MEM_MAPPABLE)
63		type = NVKM_RAM_MM_NORMAL;
64	else
65		type = NVKM_RAM_MM_NOMAP;
66
67	return nvkm_ram_get(mmu->subdev.device, type, 0x01, page,
68			    size, true, false, pmemory);
69}