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omap-pcm.h
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1 /*
2  * omap-pcm.h
3  *
4  * Copyright (C) 2008 Nokia Corporation
5  *
6  * Contact: Jarkko Nikula <[email protected]>
7  * Peter Ujfalusi <[email protected]>
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License
11  * version 2 as published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope that it will be useful, but
14  * WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
21  * 02110-1301 USA
22  *
23  */
24 
25 #ifndef __OMAP_PCM_H__
26 #define __OMAP_PCM_H__
27 
28 struct snd_pcm_substream;
29 
31  char *name; /* stream identifier */
32  int dma_req; /* DMA request line */
33  unsigned long port_addr; /* transmit/receive register */
34  void (*set_threshold)(struct snd_pcm_substream *substream);
35  int data_type; /* 8, 16, 32 (bits) or 0 to let omap-pcm
36  * to decide the sDMA data type */
37  int packet_size; /* packet size only in PACKET mode */
38 };
39 
40 #endif