/*
* 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_mem.h"
#include <nvif/push906f.h>
#include <nvhw/class /cl9039.h>
int
nvc0_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
struct ttm_resource *old_reg, struct ttm_resource *new_reg)
{
struct nvif_push *push = &chan->chan.push;
struct nouveau_mem *mem = nouveau_mem(old_reg);
u64 src_offset = mem->vma[0 ].addr;
u64 dst_offset = mem->vma[1 ].addr;
u32 page_count = PFN_UP(new_reg->size);
int ret;
page_count = PFN_UP(new_reg->size);
while (page_count) {
int line_count = (page_count > 2047 ) ? 2047 : page_count;
ret = PUSH_WAIT(push, 12 );
if (ret)
return ret;
PUSH_MTHD(push, NV9039, OFFSET_OUT_UPPER,
NVVAL(NV9039, OFFSET_OUT_UPPER, VALUE, upper_32_bits(dst_offset)),
OFFSET_OUT, lower_32_bits(dst_offset));
PUSH_MTHD(push, NV9039, OFFSET_IN_UPPER,
NVVAL(NV9039, OFFSET_IN_UPPER, VALUE, upper_32_bits(src_offset)),
OFFSET_IN, lower_32_bits(src_offset),
PITCH_IN, PAGE_SIZE,
PITCH_OUT, PAGE_SIZE,
LINE_LENGTH_IN, PAGE_SIZE,
LINE_COUNT, line_count);
PUSH_MTHD(push, NV9039, LAUNCH_DMA,
NVDEF(NV9039, LAUNCH_DMA, SRC_INLINE, FALSE ) |
NVDEF(NV9039, LAUNCH_DMA, SRC_MEMORY_LAYOUT, PITCH) |
NVDEF(NV9039, LAUNCH_DMA, DST_MEMORY_LAYOUT, PITCH) |
NVDEF(NV9039, LAUNCH_DMA, COMPLETION_TYPE, FLUSH_DISABLE) |
NVDEF(NV9039, LAUNCH_DMA, INTERRUPT_TYPE, NONE) |
NVDEF(NV9039, LAUNCH_DMA, SEMAPHORE_STRUCT_SIZE, ONE_WORD));
page_count -= line_count;
src_offset += (PAGE_SIZE * line_count);
dst_offset += (PAGE_SIZE * line_count);
}
return 0 ;
}
int
nvc0_bo_move_init(struct nouveau_channel *chan, u32 handle)
{
struct nvif_push *push = &chan->chan.push;
int ret;
ret = PUSH_WAIT(push, 2 );
if (ret)
return ret;
PUSH_MTHD(push, NV9039, SET_OBJECT, handle);
return 0 ;
}
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