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 
30 int
nv04_mem_map(struct nvkm_mmu * mmu,struct nvkm_memory * memory,void * argv,u32 argc,u64 * paddr,u64 * psize,struct nvkm_vma ** pvma)31 nv04_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, 1) + addr;
45 	*psize = nvkm_memory_size(memory);
46 	*pvma = ERR_PTR(-ENODEV);
47 	return 0;
48 }
49 
50 int
nv04_mem_new(struct nvkm_mmu * mmu,int type,u8 page,u64 size,void * argv,u32 argc,struct nvkm_memory ** pmemory)51 nv04_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 }
70