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(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