include/linux/mISDNdsp.h

   1 #ifndef __mISDNdsp_H__
   2 #define __mISDNdsp_H__
   3
   4 struct mISDN_dsp_element_arg {
   5         char    *name;
   6         char    *def;
   7         char    *desc;
   8 };
   9
  10 struct 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                         unsigned int txlen);
  17         int     num_args;
  18         struct mISDN_dsp_element_arg
  19                 *args;
  20 };
  21
  22 extern int  mISDN_dsp_element_register(struct mISDN_dsp_element *elem);
  23 extern void mISDN_dsp_element_unregister(struct mISDN_dsp_element *elem);
  24
  25 struct dsp_features {
  26         int     hfc_id; /* unique id to identify the chip (or -1) */
  27         int     hfc_dtmf; /* set if HFCmulti card supports dtmf */
  28         int     hfc_conf; /* set if HFCmulti card supports conferences */
  29         int     hfc_loops; /* set if card supports tone loops */
  30         int     hfc_echocanhw; /* set if card supports echocancelation*/
  31         int     pcm_id; /* unique id to identify the pcm bus (or -1) */
  32         int     pcm_slots; /* number of slots on the pcm bus */
  33         int     pcm_banks; /* number of IO banks of pcm bus */
  34         int     unclocked; /* data is not clocked (has jitter/loss) */
  35         int     unordered; /* data is unordered (packets have index) */
  36 };
  37
  38 #endif
  39