CooCenter-System-kernel/arch/powerpc/include/asm/async_tx.h

/*
 * Copyright (C) 2008-2009 DENX Software Engineering.
 *
 * Author: Yuri Tikhonov <yur@emcraft.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59
 * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The full GNU General Public License is included in this distribution in the
 * file called COPYING.
 */
#ifndef _ASM_POWERPC_ASYNC_TX_H_
#define _ASM_POWERPC_ASYNC_TX_H_

#if defined(CONFIG_440SPe) || defined(CONFIG_440SP)
extern struct dma_chan *
ppc440spe_async_tx_find_best_channel(enum dma_transaction_type cap,
	struct page **dst_lst, int dst_cnt, struct page **src_lst,
	int src_cnt, size_t src_sz);

#define async_tx_find_channel(dep, cap, dst_lst, dst_cnt, src_lst, \
			      src_cnt, src_sz) \
	ppc440spe_async_tx_find_best_channel(cap, dst_lst, dst_cnt, src_lst, \
					     src_cnt, src_sz)
#else

#define async_tx_find_channel(dep, type, dst, dst_count, src, src_count, len) \
	__async_tx_find_channel(dep, type)

struct dma_chan *
__async_tx_find_channel(struct async_submit_ctl *submit,
			enum dma_transaction_type tx_type);

#endif

#endif