1 /* $NetBSD: nouveau_nvkm_subdev_mmu_memnv04.c,v 1.3 2021/12/19 10:51:58 riastradh Exp $ */
2
3 /*
4 * Copyright 2017 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24 #include <sys/cdefs.h>
25 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_mmu_memnv04.c,v 1.3 2021/12/19 10:51:58 riastradh Exp $");
26
27 #include "mem.h"
28
29 #include <core/memory.h>
30 #include <subdev/fb.h>
31
32 #include <nvif/if000b.h>
33 #include <nvif/unpack.h>
34
35 int
36 #ifdef __NetBSD__
nv04_mem_map(struct nvkm_mmu * mmu,struct nvkm_memory * memory,void * argv,u32 argc,bus_space_tag_t * ptag,u64 * paddr,u64 * psize,struct nvkm_vma ** pvma)37 nv04_mem_map(struct nvkm_mmu *mmu, struct nvkm_memory *memory, void *argv,
38 u32 argc, bus_space_tag_t *ptag, u64 *paddr, u64 *psize, struct nvkm_vma **pvma)
39 #else
40 nv04_mem_map(struct nvkm_mmu *mmu, struct nvkm_memory *memory, void *argv,
41 u32 argc, u64 *paddr, u64 *psize, struct nvkm_vma **pvma)
42 #endif
43 {
44 union {
45 struct nv04_mem_map_vn vn;
46 } *args = argv;
47 struct nvkm_device *device = mmu->subdev.device;
48 const u64 addr = nvkm_memory_addr(memory);
49 int ret = -ENOSYS;
50
51 if ((ret = nvif_unvers(ret, &argv, &argc, args->vn)))
52 return ret;
53
54 #ifdef __NetBSD__
55 *ptag = device->func->resource_tag(device, 1);
56 #endif
57 *paddr = device->func->resource_addr(device, 1) + addr;
58 *psize = nvkm_memory_size(memory);
59 *pvma = ERR_PTR(-ENODEV);
60 return 0;
61 }
62
63 int
nv04_mem_new(struct nvkm_mmu * mmu,int type,u8 page,u64 size,void * argv,u32 argc,struct nvkm_memory ** pmemory)64 nv04_mem_new(struct nvkm_mmu *mmu, int type, u8 page, u64 size,
65 void *argv, u32 argc, struct nvkm_memory **pmemory)
66 {
67 union {
68 struct nv04_mem_vn vn;
69 } *args = argv;
70 int ret = -ENOSYS;
71
72 if ((ret = nvif_unvers(ret, &argv, &argc, args->vn)))
73 return ret;
74
75 if (mmu->type[type].type & NVKM_MEM_MAPPABLE)
76 type = NVKM_RAM_MM_NORMAL;
77 else
78 type = NVKM_RAM_MM_NOMAP;
79
80 return nvkm_ram_get(mmu->subdev.device, type, 0x01, page,
81 size, true, false, pmemory);
82 }
83