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/*
* Copyright 2007 Dave Airlied
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* Authors: Dave Airlied <airlied@linux.ie>
* Ben Skeggs <darktama@iinet.net.au>
* Jeremy Kolb <jkolb@brandeis.edu>
*/
#include "nouveau_bo.h"
#include "nouveau_dma.h"
#include "nouveau_drv.h"
#include "nouveau_mem.h"
int
nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
struct ttm_mem_reg *old_reg, struct ttm_mem_reg *new_reg)
{
struct nouveau_mem *mem = nouveau_mem(old_reg);
u64 length = (new_reg->num_pages << PAGE_SHIFT);
u64 src_offset = mem->vma[0].addr;
u64 dst_offset = mem->vma[1].addr;
int src_tiled = !!mem->kind;
int dst_tiled = !!nouveau_mem(new_reg)->kind;
int ret;
while (length) {
u32 amount, stride, height;
ret = RING_SPACE(chan, 18 + 6 * (src_tiled + dst_tiled));
if (ret)
return ret;
amount = min(length, (u64)(4 * 1024 * 1024));
stride = 16 * 4;
height = amount / stride;
if (src_tiled) {
BEGIN_NV04(chan, NvSubCopy, 0x0200, 7);
OUT_RING (chan, 0);
OUT_RING (chan, 0);
OUT_RING (chan, stride);
OUT_RING (chan, height);
OUT_RING (chan, 1);
OUT_RING (chan, 0);
OUT_RING (chan, 0);
} else {
BEGIN_NV04(chan, NvSubCopy, 0x0200, 1);
OUT_RING (chan, 1);
}
if (dst_tiled) {
BEGIN_NV04(chan, NvSubCopy, 0x021c, 7);
OUT_RING (chan, 0);
OUT_RING (chan, 0);
OUT_RING (chan, stride);
OUT_RING (chan, height);
OUT_RING (chan, 1);
OUT_RING (chan, 0);
OUT_RING (chan, 0);
} else {
BEGIN_NV04(chan, NvSubCopy, 0x021c, 1);
OUT_RING (chan, 1);
}
BEGIN_NV04(chan, NvSubCopy, 0x0238, 2);
OUT_RING (chan, upper_32_bits(src_offset));
OUT_RING (chan, upper_32_bits(dst_offset));
BEGIN_NV04(chan, NvSubCopy, 0x030c, 8);
OUT_RING (chan, lower_32_bits(src_offset));
OUT_RING (chan, lower_32_bits(dst_offset));
OUT_RING (chan, stride);
OUT_RING (chan, stride);
OUT_RING (chan, stride);
OUT_RING (chan, height);
OUT_RING (chan, 0x00000101);
OUT_RING (chan, 0x00000000);
BEGIN_NV04(chan, NvSubCopy, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1);
OUT_RING (chan, 0);
length -= amount;
src_offset += amount;
dst_offset += amount;
}
return 0;
}
int
nv50_bo_move_init(struct nouveau_channel *chan, u32 handle)
{
int ret = RING_SPACE(chan, 6);
if (ret == 0) {
BEGIN_NV04(chan, NvSubCopy, 0x0000, 1);
OUT_RING (chan, handle);
BEGIN_NV04(chan, NvSubCopy, 0x0180, 3);
OUT_RING (chan, chan->drm->ntfy.handle);
OUT_RING (chan, chan->vram.handle);
OUT_RING (chan, chan->vram.handle);
}
return ret;
}
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