/*
 * 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;
}