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_drv.h"
  32#include "nouveau_mem.h"
  33
  34#include <nvif/push206e.h>
  35
  36#include <nvhw/class/cl5039.h>
  37
  38int
  39nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
  40                  struct ttm_resource *old_reg, struct ttm_resource *new_reg)
  41{
  42        struct nouveau_mem *mem = nouveau_mem(old_reg);
  43        struct nvif_push *push = chan->chan.push;
  44        u64 length = (new_reg->num_pages << PAGE_SHIFT);
  45        u64 src_offset = mem->vma[0].addr;
  46        u64 dst_offset = mem->vma[1].addr;
  47        int src_tiled = !!mem->kind;
  48        int dst_tiled = !!nouveau_mem(new_reg)->kind;
  49        int ret;
  50
  51        while (length) {
  52                u32 amount, stride, height;
  53
  54                ret = PUSH_WAIT(push, 18 + 6 * (src_tiled + dst_tiled));
  55                if (ret)
  56                        return ret;
  57
  58                amount  = min(length, (u64)(4 * 1024 * 1024));
  59                stride  = 16 * 4;
  60                height  = amount / stride;
  61
  62                if (src_tiled) {
  63                        PUSH_MTHD(push, NV5039, SET_SRC_MEMORY_LAYOUT,
  64                                  NVDEF(NV5039, SET_SRC_MEMORY_LAYOUT, V, BLOCKLINEAR),
  65
  66                                                SET_SRC_BLOCK_SIZE,
  67                                  NVDEF(NV5039, SET_SRC_BLOCK_SIZE, WIDTH, ONE_GOB) |
  68                                  NVDEF(NV5039, SET_SRC_BLOCK_SIZE, HEIGHT, ONE_GOB) |
  69                                  NVDEF(NV5039, SET_SRC_BLOCK_SIZE, DEPTH, ONE_GOB),
  70
  71                                                SET_SRC_WIDTH, stride,
  72                                                SET_SRC_HEIGHT, height,
  73                                                SET_SRC_DEPTH, 1,
  74                                                SET_SRC_LAYER, 0,
  75
  76                                                SET_SRC_ORIGIN,
  77                                  NVVAL(NV5039, SET_SRC_ORIGIN, X, 0) |
  78                                  NVVAL(NV5039, SET_SRC_ORIGIN, Y, 0));
  79                } else {
  80                        PUSH_MTHD(push, NV5039, SET_SRC_MEMORY_LAYOUT,
  81                                  NVDEF(NV5039, SET_SRC_MEMORY_LAYOUT, V, PITCH));
  82                }
  83
  84                if (dst_tiled) {
  85                        PUSH_MTHD(push, NV5039, SET_DST_MEMORY_LAYOUT,
  86                                  NVDEF(NV5039, SET_DST_MEMORY_LAYOUT, V, BLOCKLINEAR),
  87
  88                                                SET_DST_BLOCK_SIZE,
  89                                  NVDEF(NV5039, SET_DST_BLOCK_SIZE, WIDTH, ONE_GOB) |
  90                                  NVDEF(NV5039, SET_DST_BLOCK_SIZE, HEIGHT, ONE_GOB) |
  91                                  NVDEF(NV5039, SET_DST_BLOCK_SIZE, DEPTH, ONE_GOB),
  92
  93                                                SET_DST_WIDTH, stride,
  94                                                SET_DST_HEIGHT, height,
  95                                                SET_DST_DEPTH, 1,
  96                                                SET_DST_LAYER, 0,
  97
  98                                                SET_DST_ORIGIN,
  99                                  NVVAL(NV5039, SET_DST_ORIGIN, X, 0) |
 100                                  NVVAL(NV5039, SET_DST_ORIGIN, Y, 0));
 101                } else {
 102                        PUSH_MTHD(push, NV5039, SET_DST_MEMORY_LAYOUT,
 103                                  NVDEF(NV5039, SET_DST_MEMORY_LAYOUT, V, PITCH));
 104                }
 105
 106                PUSH_MTHD(push, NV5039, OFFSET_IN_UPPER,
 107                          NVVAL(NV5039, OFFSET_IN_UPPER, VALUE, upper_32_bits(src_offset)),
 108
 109                                        OFFSET_OUT_UPPER,
 110                          NVVAL(NV5039, OFFSET_OUT_UPPER, VALUE, upper_32_bits(dst_offset)));
 111
 112                PUSH_MTHD(push, NV5039, OFFSET_IN, lower_32_bits(src_offset),
 113                                        OFFSET_OUT, lower_32_bits(dst_offset),
 114                                        PITCH_IN, stride,
 115                                        PITCH_OUT, stride,
 116                                        LINE_LENGTH_IN, stride,
 117                                        LINE_COUNT, height,
 118
 119                                        FORMAT,
 120                          NVDEF(NV5039, FORMAT, IN, ONE) |
 121                          NVDEF(NV5039, FORMAT, OUT, ONE),
 122
 123                                        BUFFER_NOTIFY,
 124                          NVDEF(NV5039, BUFFER_NOTIFY, TYPE, WRITE_ONLY));
 125
 126                PUSH_MTHD(push, NV5039, NO_OPERATION, 0x00000000);
 127
 128                length -= amount;
 129                src_offset += amount;
 130                dst_offset += amount;
 131        }
 132
 133        return 0;
 134}
 135
 136int
 137nv50_bo_move_init(struct nouveau_channel *chan, u32 handle)
 138{
 139        struct nvif_push *push = chan->chan.push;
 140        int ret;
 141
 142        ret = PUSH_WAIT(push, 6);
 143        if (ret)
 144                return ret;
 145
 146        PUSH_MTHD(push, NV5039, SET_OBJECT, handle);
 147        PUSH_MTHD(push, NV5039, SET_CONTEXT_DMA_NOTIFY, chan->drm->ntfy.handle,
 148                                SET_CONTEXT_DMA_BUFFER_IN, chan->vram.handle,
 149                                SET_CONTEXT_DMA_BUFFER_OUT, chan->vram.handle);
 150        return 0;
 151}
 152