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_drv.h" |
32 | |
33 | #include <nvif/push006c.h> |
34 | |
35 | #include <nvhw/class/cl0039.h> |
36 | |
37 | static inline uint32_t |
38 | nouveau_bo_mem_ctxdma(struct ttm_buffer_object *bo, |
39 | struct nouveau_channel *chan, struct ttm_resource *reg) |
40 | { |
41 | if (reg->mem_type == TTM_PL_TT) |
42 | return NvDmaTT; |
43 | return chan->vram.handle; |
44 | } |
45 | |
46 | int |
47 | nv04_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo, |
48 | struct ttm_resource *old_reg, struct ttm_resource *new_reg) |
49 | { |
50 | struct nvif_push *push = chan->chan.push; |
51 | u32 src_ctxdma = nouveau_bo_mem_ctxdma(bo, chan, reg: old_reg); |
52 | u32 src_offset = old_reg->start << PAGE_SHIFT; |
53 | u32 dst_ctxdma = nouveau_bo_mem_ctxdma(bo, chan, reg: new_reg); |
54 | u32 dst_offset = new_reg->start << PAGE_SHIFT; |
55 | u32 page_count = PFN_UP(new_reg->size); |
56 | int ret; |
57 | |
58 | ret = PUSH_WAIT(push, 3); |
59 | if (ret) |
60 | return ret; |
61 | |
62 | PUSH_MTHD(push, NV039, SET_CONTEXT_DMA_BUFFER_IN, src_ctxdma, |
63 | SET_CONTEXT_DMA_BUFFER_OUT, dst_ctxdma); |
64 | |
65 | page_count = PFN_UP(new_reg->size); |
66 | while (page_count) { |
67 | int line_count = (page_count > 2047) ? 2047 : page_count; |
68 | |
69 | ret = PUSH_WAIT(push, 11); |
70 | if (ret) |
71 | return ret; |
72 | |
73 | PUSH_MTHD(push, NV039, OFFSET_IN, src_offset, |
74 | OFFSET_OUT, dst_offset, |
75 | PITCH_IN, PAGE_SIZE, |
76 | PITCH_OUT, PAGE_SIZE, |
77 | LINE_LENGTH_IN, PAGE_SIZE, |
78 | LINE_COUNT, line_count, |
79 | |
80 | FORMAT, |
81 | NVVAL(NV039, FORMAT, IN, 1) | |
82 | NVVAL(NV039, FORMAT, OUT, 1), |
83 | |
84 | BUFFER_NOTIFY, NV039_BUFFER_NOTIFY_WRITE_ONLY); |
85 | |
86 | PUSH_MTHD(push, NV039, NO_OPERATION, 0x00000000); |
87 | |
88 | page_count -= line_count; |
89 | src_offset += (PAGE_SIZE * line_count); |
90 | dst_offset += (PAGE_SIZE * line_count); |
91 | } |
92 | |
93 | return 0; |
94 | } |
95 | |
96 | int |
97 | nv04_bo_move_init(struct nouveau_channel *chan, u32 handle) |
98 | { |
99 | struct nvif_push *push = chan->chan.push; |
100 | int ret; |
101 | |
102 | ret = PUSH_WAIT(push, 4); |
103 | if (ret) |
104 | return ret; |
105 | |
106 | PUSH_MTHD(push, NV039, SET_OBJECT, handle); |
107 | PUSH_MTHD(push, NV039, SET_CONTEXT_DMA_NOTIFIES, chan->drm->ntfy.handle); |
108 | return 0; |
109 | } |
110 | |