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/push906f.h> |
34 | |
35 | #include <nvhw/class/cl9039.h> |
36 | |
37 | int |
38 | nvc0_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo, |
39 | struct ttm_resource *old_reg, struct ttm_resource *new_reg) |
40 | { |
41 | struct nvif_push *push = chan->chan.push; |
42 | struct nouveau_mem *mem = nouveau_mem(reg: old_reg); |
43 | u64 src_offset = mem->vma[0].addr; |
44 | u64 dst_offset = mem->vma[1].addr; |
45 | u32 page_count = PFN_UP(new_reg->size); |
46 | int ret; |
47 | |
48 | page_count = PFN_UP(new_reg->size); |
49 | while (page_count) { |
50 | int line_count = (page_count > 2047) ? 2047 : page_count; |
51 | |
52 | ret = PUSH_WAIT(push, 12); |
53 | if (ret) |
54 | return ret; |
55 | |
56 | PUSH_MTHD(push, NV9039, OFFSET_OUT_UPPER, |
57 | NVVAL(NV9039, OFFSET_OUT_UPPER, VALUE, upper_32_bits(dst_offset)), |
58 | |
59 | OFFSET_OUT, lower_32_bits(dst_offset)); |
60 | |
61 | PUSH_MTHD(push, NV9039, OFFSET_IN_UPPER, |
62 | NVVAL(NV9039, OFFSET_IN_UPPER, VALUE, upper_32_bits(src_offset)), |
63 | |
64 | OFFSET_IN, lower_32_bits(src_offset), |
65 | PITCH_IN, PAGE_SIZE, |
66 | PITCH_OUT, PAGE_SIZE, |
67 | LINE_LENGTH_IN, PAGE_SIZE, |
68 | LINE_COUNT, line_count); |
69 | |
70 | PUSH_MTHD(push, NV9039, LAUNCH_DMA, |
71 | NVDEF(NV9039, LAUNCH_DMA, SRC_INLINE, FALSE) | |
72 | NVDEF(NV9039, LAUNCH_DMA, SRC_MEMORY_LAYOUT, PITCH) | |
73 | NVDEF(NV9039, LAUNCH_DMA, DST_MEMORY_LAYOUT, PITCH) | |
74 | NVDEF(NV9039, LAUNCH_DMA, COMPLETION_TYPE, FLUSH_DISABLE) | |
75 | NVDEF(NV9039, LAUNCH_DMA, INTERRUPT_TYPE, NONE) | |
76 | NVDEF(NV9039, LAUNCH_DMA, SEMAPHORE_STRUCT_SIZE, ONE_WORD)); |
77 | |
78 | page_count -= line_count; |
79 | src_offset += (PAGE_SIZE * line_count); |
80 | dst_offset += (PAGE_SIZE * line_count); |
81 | } |
82 | |
83 | return 0; |
84 | } |
85 | |
86 | int |
87 | nvc0_bo_move_init(struct nouveau_channel *chan, u32 handle) |
88 | { |
89 | struct nvif_push *push = chan->chan.push; |
90 | int ret; |
91 | |
92 | ret = PUSH_WAIT(push, 2); |
93 | if (ret) |
94 | return ret; |
95 | |
96 | PUSH_MTHD(push, NV9039, SET_OBJECT, handle); |
97 | return 0; |
98 | } |
99 | |