drivers/gpu/drm/nouveau/nouveau_bo74c1.c

   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 int
  36 nv84_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 }