LXR linux/drivers/gpu/drm/nouveau/nouveau

   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
  35int
  36nv84_bo_move_exec(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
  37                  struct ttm_resource *old_reg, struct ttm_resource *new_reg)
  38{
  39        struct nouveau_mem *mem = nouveau_mem(old_reg);
  40        struct nvif_push *push = chan->chan.push;
  41        int ret;
  42
  43        ret = PUSH_WAIT(push, 7);
  44        if (ret)
  45                return ret;
  46
  47        PUSH_NVSQ(push, NV74C1, 0x0304, new_reg->num_pages << PAGE_SHIFT,
  48                                0x0308, upper_32_bits(mem->vma[0].addr),
  49                                0x030c, lower_32_bits(mem->vma[0].addr),
  50                                0x0310, upper_32_bits(mem->vma[1].addr),
  51                                0x0314, lower_32_bits(mem->vma[1].addr),
  52                                0x0318, 0x00000000 /* MODE_COPY, QUERY_NONE */);
  53        return 0;
  54}
  55