xref: /linux/arch/powerpc/include/asm/async_tx.h (revision 93df8a1ed6231727c5db94a80b1a6bd5ee67cec3)
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
48