1 /* 2 * omap-pcm.h 3 * 4 * Copyright (C) 2008 Nokia Corporation 5 * 6 * Contact: Jarkko Nikula <jhnikula@gmail.com> 7 * Peter Ujfalusi <peter.ujfalusi@nokia.com> 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 omap_pcm_dma_data { 29 char *name; /* stream identifier */ 30 int dma_req; /* DMA request line */ 31 unsigned long port_addr; /* transmit/receive register */ 32 void (*set_threshold)(struct snd_pcm_substream *substream); 33 int data_type; /* data type 8,16,32 */ 34 int sync_mode; /* DMA sync mode */ 35 int packet_size; /* packet size only in PACKET mode */ 36 }; 37 38 #endif 39