Release 4.12 include/linux/mISDNdsp.h

#ifndef __mISDNdsp_H__

#define __mISDNdsp_H__


struct mISDN_dsp_element_arg {
	
char	*name;
	
char	*def;
	
char	*desc;
};


struct mISDN_dsp_element {
	
char	*name;
	
void	*(*new)(const char *arg);
	
void	(*free)(void *p);
	
void	(*process_tx)(void *p, unsigned char *data, int len);
	
void	(*process_rx)(void *p, unsigned char *data, int len,
			unsigned int txlen);
	
int	num_args;
	struct mISDN_dsp_element_arg
		
*args;
};

extern int  mISDN_dsp_element_register(struct mISDN_dsp_element *elem);
extern void mISDN_dsp_element_unregister(struct mISDN_dsp_element *elem);


struct dsp_features {
	
int	hfc_id; /* unique id to identify the chip (or -1) */
	
int	hfc_dtmf; /* set if HFCmulti card supports dtmf */
	
int	hfc_conf; /* set if HFCmulti card supports conferences */
	
int	hfc_loops; /* set if card supports tone loops */
	
int	hfc_echocanhw; /* set if card supports echocancelation*/
	
int	pcm_id; /* unique id to identify the pcm bus (or -1) */
	
int	pcm_slots; /* number of slots on the pcm bus */
	
int	pcm_banks; /* number of IO banks of pcm bus */
	
int	unclocked; /* data is not clocked (has jitter/loss) */
	
int	unordered; /* data is unordered (packets have index) */
};

#endif

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