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/*++
* linux/sound/soc/wmt/wmt-pcm.h
* WonderMedia audio driver for ALSA
*
* Copyright c 2010 WonderMedia Technologies, Inc.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* WonderMedia Technologies, Inc.
* 4F, 533, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C
--*/
#ifndef __WMT_PCM_H__
#define __WMT_PCM_H__
struct wmt_pcm_dma_data {
char *name; /* stream identifier */
int dma_req; /* DMA request line */
unsigned long port_addr; /* transmit/receive register */
struct dma_device_cfg_s *dma_cfg;
};
typedef struct WFDStrmInfo {
unsigned int req_sz;
unsigned int avail_sz;
unsigned int buf_offset;
} WFDStrmInfo_t;
extern void wmt_pcm_wfd_start(void);
extern unsigned int wmt_pcm_wfd_get_buf(void);
extern void wmt_pcm_wfd_stop(void);
extern int wmt_pcm_wfd_get_strm(WFDStrmInfo_t *info);
#endif
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