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1/*2 * Copyright 2007 Dave Airlied3 * All Rights Reserved.4 *5 * Permission is hereby granted, free of charge, to any person obtaining a6 * copy of this software and associated documentation files (the "Software"),7 * to deal in the Software without restriction, including without limitation8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,9 * and/or sell copies of the Software, and to permit persons to whom the10 * Software is furnished to do so, subject to the following conditions:11 *12 * The above copyright notice and this permission notice (including the next13 * paragraph) shall be included in all copies or substantial portions of the14 * Software.15 *16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL19 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR20 * 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 OR22 * 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 sharing36 * code with KeplerDmaCopyA.37 */38 39int40nva3_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