arch/powerpc/include/asm/async_tx.h

   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)
  27 extern struct dma_chan *
  28 ppc440spe_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
  41 struct 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