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/push906f.h>
  34
  35#include <nvhw/class/cla0b5.h>
  36
  37int
  38nve0_bo_move_copy(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
  39                  struct ttm_resource *old_reg, struct ttm_resource *new_reg)
  40{
  41        struct nouveau_mem *mem = nouveau_mem(old_reg);
  42        struct nvif_push *push = chan->chan.push;
  43        int ret;
  44
  45        ret = PUSH_WAIT(push, 10);
  46        if (ret)
  47                return ret;
  48
  49        PUSH_MTHD(push, NVA0B5, OFFSET_IN_UPPER,
  50                  NVVAL(NVA0B5, OFFSET_IN_UPPER, UPPER, upper_32_bits(mem->vma[0].addr)),
  51
  52                                OFFSET_IN_LOWER, lower_32_bits(mem->vma[0].addr),
  53
  54                                OFFSET_OUT_UPPER,
  55                  NVVAL(NVA0B5, OFFSET_OUT_UPPER, UPPER, upper_32_bits(mem->vma[1].addr)),
  56
  57                                OFFSET_OUT_LOWER, lower_32_bits(mem->vma[1].addr),
  58                                PITCH_IN, PAGE_SIZE,
  59                                PITCH_OUT, PAGE_SIZE,
  60                                LINE_LENGTH_IN, PAGE_SIZE,
  61                                LINE_COUNT, new_reg->num_pages);
  62
  63        PUSH_IMMD(push, NVA0B5, LAUNCH_DMA,
  64                  NVDEF(NVA0B5, LAUNCH_DMA, DATA_TRANSFER_TYPE, NON_PIPELINED) |
  65                  NVDEF(NVA0B5, LAUNCH_DMA, FLUSH_ENABLE, TRUE) |
  66                  NVDEF(NVA0B5, LAUNCH_DMA, SEMAPHORE_TYPE, NONE) |
  67                  NVDEF(NVA0B5, LAUNCH_DMA, INTERRUPT_TYPE, NONE) |
  68                  NVDEF(NVA0B5, LAUNCH_DMA, SRC_MEMORY_LAYOUT, PITCH) |
  69                  NVDEF(NVA0B5, LAUNCH_DMA, DST_MEMORY_LAYOUT, PITCH) |
  70                  NVDEF(NVA0B5, LAUNCH_DMA, MULTI_LINE_ENABLE, TRUE) |
  71                  NVDEF(NVA0B5, LAUNCH_DMA, REMAP_ENABLE, FALSE) |
  72                  NVDEF(NVA0B5, LAUNCH_DMA, BYPASS_L2, USE_PTE_SETTING) |
  73                  NVDEF(NVA0B5, LAUNCH_DMA, SRC_TYPE, VIRTUAL) |
  74                  NVDEF(NVA0B5, LAUNCH_DMA, DST_TYPE, VIRTUAL));
  75        return 0;
  76}
  77
  78int
  79nve0_bo_move_init(struct nouveau_channel *chan, u32 handle)
  80{
  81        struct nvif_push *push = chan->chan.push;
  82        int ret;
  83
  84        ret = PUSH_WAIT(push, 2);
  85        if (ret)
  86                return ret;
  87
  88        PUSH_NVSQ(push, NVA0B5, 0x0000, handle & 0x0000ffff);
  89        return 0;
  90}
  91