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 	int	num_args;

    17 	struct mISDN_dsp_element_arg

    18 		*args;

    19 };

    20 

    21 extern int  mISDN_dsp_element_register(struct mISDN_dsp_element *elem);

    22 extern void mISDN_dsp_element_unregister(struct mISDN_dsp_element *elem);

    23 

    24 struct 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