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Karsten Keil960366c2008-07-27 01:56:38 +02001#ifndef __mISDNdsp_H__
2#define __mISDNdsp_H__
3
4struct mISDN_dsp_element_arg {
5 char *name;
6 char *def;
7 char *desc;
8};
9
10struct mISDN_dsp_element {
11 char *name;
12 void *(*new)(const char *arg);
13 void (*free)(void *p);
14 void (*process_tx)(void *p, unsigned char *data, int len);
15 void (*process_rx)(void *p, unsigned char *data, int len);
16 int num_args;
17 struct mISDN_dsp_element_arg
18 *args;
19};
20
21extern int mISDN_dsp_element_register(struct mISDN_dsp_element *elem);
22extern void mISDN_dsp_element_unregister(struct mISDN_dsp_element *elem);
23
24struct dsp_features {
25 int hfc_id; /* unique id to identify the chip (or -1) */
26 int hfc_dtmf; /* set if HFCmulti card supports dtmf */
27 int hfc_loops; /* set if card supports tone loops */
28 int hfc_echocanhw; /* set if card supports echocancelation*/
29 int pcm_id; /* unique id to identify the pcm bus (or -1) */
30 int pcm_slots; /* number of slots on the pcm bus */
31 int pcm_banks; /* number of IO banks of pcm bus */
32 int unclocked; /* data is not clocked (has jitter/loss) */
33 int unordered; /* data is unordered (packets have index) */
34};
35
36#endif
37