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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/push906f.h>34 35#include <nvhw/class/cl9039.h>36 37int38nvc0_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(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 86int87nvc0_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