1 | /* |
2 | * Copyright 2007 Dave Airlied |
3 | * All Rights Reserved. |
4 | * |
5 | * Permission is hereby granted, free of charge, to any person obtaining a |
6 | * copy of this software and associated documentation files (the "Software"), |
7 | * to deal in the Software without restriction, including without limitation |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
9 | * and/or sell copies of the Software, and to permit persons to whom the |
10 | * Software is furnished to do so, subject to the following conditions: |
11 | * |
12 | * The above copyright notice and this permission notice (including the next |
13 | * paragraph) shall be included in all copies or substantial portions of the |
14 | * 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 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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 | /* |
25 | * Authors: Dave Airlied <airlied@linux.ie> |
26 | * Ben Skeggs <darktama@iinet.net.au> |
27 | * Jeremy Kolb <jkolb@brandeis.edu> |
28 | */ |
29 | #include "nouveau_bo.h" |
30 | #include "nouveau_dma.h" |
31 | #include "nouveau_mem.h" |
32 | |
33 | #include <nvif/push206e.h> |
34 | |
35 | /*XXX: Fixup class to be compatible with NVIDIA's, which will allow sharing |
36 | * code with KeplerDmaCopyA. |
37 | */ |
38 | |
39 | int |
40 | nva3_bo_move_copy(struct nouveau_channel *chan, struct ttm_buffer_object *bo, |
41 | struct ttm_resource *old_reg, struct ttm_resource *new_reg) |
42 | { |
43 | struct nouveau_mem *mem = nouveau_mem(reg: old_reg); |
44 | struct nvif_push *push = chan->chan.push; |
45 | u64 src_offset = mem->vma[0].addr; |
46 | u64 dst_offset = mem->vma[1].addr; |
47 | u32 page_count = PFN_UP(new_reg->size); |
48 | int ret; |
49 | |
50 | page_count = PFN_UP(new_reg->size); |
51 | while (page_count) { |
52 | int line_count = (page_count > 8191) ? 8191 : page_count; |
53 | |
54 | ret = PUSH_WAIT(push, 11); |
55 | if (ret) |
56 | return ret; |
57 | |
58 | PUSH_NVSQ(push, NV85B5, 0x030c, upper_32_bits(src_offset), |
59 | 0x0310, lower_32_bits(src_offset), |
60 | 0x0314, upper_32_bits(dst_offset), |
61 | 0x0318, lower_32_bits(dst_offset), |
62 | 0x031c, PAGE_SIZE, |
63 | 0x0320, PAGE_SIZE, |
64 | 0x0324, PAGE_SIZE, |
65 | 0x0328, line_count); |
66 | PUSH_NVSQ(push, NV85B5, 0x0300, 0x00000110); |
67 | |
68 | page_count -= line_count; |
69 | src_offset += (PAGE_SIZE * line_count); |
70 | dst_offset += (PAGE_SIZE * line_count); |
71 | } |
72 | |
73 | return 0; |
74 | } |
75 | |