1 /* 2 * HwDep interface - local header file 3 * Copyright (c) 2001 by Jaroslav Kysela <perex (at) perex.cz> 4 * 5 * 6 * This library is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU Lesser General Public License as 8 * published by the Free Software Foundation; either version 2.1 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * 20 */ 21 22 #include <stdio.h> 23 #include <stdlib.h> 24 #include <limits.h> 25 #include "local.h" 26 27 typedef struct { 28 int (*close)(snd_hwdep_t *hwdep); 29 int (*nonblock)(snd_hwdep_t *hwdep, int nonblock); 30 int (*info)(snd_hwdep_t *hwdep, snd_hwdep_info_t *info); 31 int (*ioctl)(snd_hwdep_t *hwdep, unsigned int request, void * arg); 32 ssize_t (*write)(snd_hwdep_t *hwdep, const void *buffer, size_t size); 33 ssize_t (*read)(snd_hwdep_t *hwdep, void *buffer, size_t size); 34 } snd_hwdep_ops_t; 35 36 struct _snd_hwdep { 37 void *dl_handle; 38 char *name; 39 snd_hwdep_type_t type; 40 int mode; 41 int poll_fd; 42 const snd_hwdep_ops_t *ops; 43 void *private_data; 44 }; 45 46 int snd_hwdep_hw_open(snd_hwdep_t **handle, const char *name, int card, int device, int mode); 47
