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hwdep.h
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1 
11 /*
12  * This library is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU Lesser General Public License as
14  * published by the Free Software Foundation; either version 2.1 of
15  * the License, or (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20  * GNU Lesser General Public License for more details.
21  *
22  * You should have received a copy of the GNU Lesser General Public
23  * License along with this library; if not, write to the Free Software
24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25  *
26  */
27 
28 #ifndef __ALSA_HWDEP_H
29 #define __ALSA_HWDEP_H
30 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34 
42 #define SND_HWDEP_DLSYM_VERSION _dlsym_hwdep_001
43 
45 typedef struct _snd_hwdep_info snd_hwdep_info_t;
46 
48 typedef struct _snd_hwdep_dsp_status snd_hwdep_dsp_status_t;
49 
51 typedef struct _snd_hwdep_dsp_image snd_hwdep_dsp_image_t;
52 
54 typedef enum _snd_hwdep_iface {
77  SND_HWDEP_IFACE_FW_DIGI00X, /* Digidesign Digi 002/003 family */
78  SND_HWDEP_IFACE_FW_TASCAM, /* TASCAM FireWire series */
79 
80  SND_HWDEP_IFACE_LAST = SND_HWDEP_IFACE_FW_TASCAM
82 
84 #define SND_HWDEP_OPEN_READ (O_RDONLY)
85 
86 #define SND_HWDEP_OPEN_WRITE (O_WRONLY)
87 
88 #define SND_HWDEP_OPEN_DUPLEX (O_RDWR)
89 
90 #define SND_HWDEP_OPEN_NONBLOCK (O_NONBLOCK)
91 
93 typedef enum _snd_hwdep_type {
101 
103 typedef struct _snd_hwdep snd_hwdep_t;
104 
105 int snd_hwdep_open(snd_hwdep_t **hwdep, const char *name, int mode);
106 int snd_hwdep_close(snd_hwdep_t *hwdep);
107 int snd_hwdep_poll_descriptors(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int space);
109 int snd_hwdep_poll_descriptors_revents(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
110 int snd_hwdep_nonblock(snd_hwdep_t *hwdep, int nonblock);
111 int snd_hwdep_info(snd_hwdep_t *hwdep, snd_hwdep_info_t * info);
114 int snd_hwdep_ioctl(snd_hwdep_t *hwdep, unsigned int request, void * arg);
115 ssize_t snd_hwdep_write(snd_hwdep_t *hwdep, const void *buffer, size_t size);
116 ssize_t snd_hwdep_read(snd_hwdep_t *hwdep, void *buffer, size_t size);
117 
118 size_t snd_hwdep_info_sizeof(void);
120 #define snd_hwdep_info_alloca(ptr) __snd_alloca(ptr, snd_hwdep_info)
124 
125 unsigned int snd_hwdep_info_get_device(const snd_hwdep_info_t *obj);
127 const char *snd_hwdep_info_get_id(const snd_hwdep_info_t *obj);
128 const char *snd_hwdep_info_get_name(const snd_hwdep_info_t *obj);
130 void snd_hwdep_info_set_device(snd_hwdep_info_t *obj, unsigned int val);
131 
132 size_t snd_hwdep_dsp_status_sizeof(void);
134 #define snd_hwdep_dsp_status_alloca(ptr) __snd_alloca(ptr, snd_hwdep_dsp_status)
138 
144 
145 size_t snd_hwdep_dsp_image_sizeof(void);
147 #define snd_hwdep_dsp_image_alloca(ptr) __snd_alloca(ptr, snd_hwdep_dsp_image)
151 
156 
157 void snd_hwdep_dsp_image_set_index(snd_hwdep_dsp_image_t *obj, unsigned int _index);
158 void snd_hwdep_dsp_image_set_name(snd_hwdep_dsp_image_t *obj, const char *name);
160 void snd_hwdep_dsp_image_set_length(snd_hwdep_dsp_image_t *obj, size_t length);
161 
164 #ifdef __cplusplus
165 }
166 #endif
167 
168 #endif /* __ALSA_HWDEP_H */
169