1 /* SPDX-License-Identifier: GPL-2.0 */
5 struct mISDN_dsp_element_arg {
11 struct mISDN_dsp_element {
13 void *(*new)(const char *arg);
14 void (*free)(void *p);
15 void (*process_tx)(void *p, unsigned char *data, int len);
16 void (*process_rx)(void *p, unsigned char *data, int len,
19 struct mISDN_dsp_element_arg
23 extern int mISDN_dsp_element_register(struct mISDN_dsp_element *elem);
24 extern void mISDN_dsp_element_unregister(struct mISDN_dsp_element *elem);
27 int hfc_id; /* unique id to identify the chip (or -1) */
28 int hfc_dtmf; /* set if HFCmulti card supports dtmf */
29 int hfc_conf; /* set if HFCmulti card supports conferences */
30 int hfc_loops; /* set if card supports tone loops */
31 int hfc_echocanhw; /* set if card supports echocancelation*/
32 int pcm_id; /* unique id to identify the pcm bus (or -1) */
33 int pcm_slots; /* number of slots on the pcm bus */
34 int pcm_banks; /* number of IO banks of pcm bus */
35 int unclocked; /* data is not clocked (has jitter/loss) */
36 int unordered; /* data is unordered (packets have index) */