linux/sound/soc/omap/omap-pcm.h
Misael Lopez Cruz e17dd32f34 ASoC: OMAP: data_type and sync_mode configurable in audio dma
Allow client drivers to set the data_type (16, 32) and the
sync_mode (element, packet, etc) of the audio dma transferences.

McBSP dai driver configures it for a data type of 16 bits and
element sync mode.

Signed-off-by: Misael Lopez Cruz <x0052729@ti.com>
Signed-off-by: Jorge Eduardo Candelaria <jorge.candelaria@ti.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-02-23 10:38:52 +00:00

41 lines
1.3 KiB
C

/*
* omap-pcm.h
*
* Copyright (C) 2008 Nokia Corporation
*
* Contact: Jarkko Nikula <jhnikula@gmail.com>
* Peter Ujfalusi <peter.ujfalusi@nokia.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#ifndef __OMAP_PCM_H__
#define __OMAP_PCM_H__
struct omap_pcm_dma_data {
char *name; /* stream identifier */
int dma_req; /* DMA request line */
unsigned long port_addr; /* transmit/receive register */
void (*set_threshold)(struct snd_pcm_substream *substream);
int data_type; /* data type 8,16,32 */
int sync_mode; /* DMA sync mode */
int packet_size; /* packet size only in PACKET mode */
};
extern struct snd_soc_platform omap_soc_platform;
#endif