linux/arch/powerpc/include/asm/async_tx.h
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   1/*
   2 * Copyright (C) 2008-2009 DENX Software Engineering.
   3 *
   4 * Author: Yuri Tikhonov <yur@emcraft.com>
   5 *
   6 * This program is free software; you can redistribute it and/or modify it
   7 * under the terms of the GNU General Public License as published by the Free
   8 * Software Foundation; either version 2 of the License, or (at your option)
   9 * any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful, but WITHOUT
  12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14 * more details.
  15 *
  16 * You should have received a copy of the GNU General Public License along with
  17 * this program; if not, write to the Free Software Foundation, Inc., 59
  18 * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19 *
  20 * The full GNU General Public License is included in this distribution in the
  21 * file called COPYING.
  22 */
  23#ifndef _ASM_POWERPC_ASYNC_TX_H_
  24#define _ASM_POWERPC_ASYNC_TX_H_
  25
  26#if defined(CONFIG_440SPe) || defined(CONFIG_440SP)
  27extern struct dma_chan *
  28ppc440spe_async_tx_find_best_channel(enum dma_transaction_type cap,
  29        struct page **dst_lst, int dst_cnt, struct page **src_lst,
  30        int src_cnt, size_t src_sz);
  31
  32#define async_tx_find_channel(dep, cap, dst_lst, dst_cnt, src_lst, \
  33                              src_cnt, src_sz) \
  34        ppc440spe_async_tx_find_best_channel(cap, dst_lst, dst_cnt, src_lst, \
  35                                             src_cnt, src_sz)
  36#else
  37
  38#define async_tx_find_channel(dep, type, dst, dst_count, src, src_count, len) \
  39        __async_tx_find_channel(dep, type)
  40
  41struct dma_chan *
  42__async_tx_find_channel(struct async_submit_ctl *submit,
  43                        enum dma_transaction_type tx_type);
  44
  45#endif
  46
  47#endif
  48