/*
* hdlcdrv.h -- HDLC packet radio network driver.
* The Linux soundcard driver for 1200 baud and 9600 baud packet radio
* (C) 1996-1998 by Thomas Sailer, HB9JNX/AE4WA
*/

#ifndef _UAPI_HDLCDRV_H
#define _UAPI_HDLCDRV_H

/* -------------------------------------------------------------------- */
/*
* structs for the IOCTL commands
*/

struct hdlcdrv_params {
int iobase;
int irq;
int dma;
int dma2;
int seriobase;
int pariobase;
int midiiobase;
};

struct hdlcdrv_channel_params {
int tx_delay; /* the transmitter keyup delay in 10ms units */
int tx_tail; /* the transmitter keyoff delay in 10ms units */
int slottime; /* the slottime in 10ms; usually 10 = 100ms */
int ppersist; /* the p-persistence 0..255 */
int fulldup; /* some driver do not support full duplex, setting */
/* this just makes them send even if DCD is on */
};

struct hdlcdrv_old_channel_state {
int ptt;
int dcd;
int ptt_keyed;
};

struct hdlcdrv_channel_state {
int ptt;
int dcd;
int ptt_keyed;
unsigned long tx_packets;
unsigned long tx_errors;
unsigned long rx_packets;
unsigned long rx_errors;
};

struct hdlcdrv_ioctl {
int cmd;
union {
struct hdlcdrv_params mp;
struct hdlcdrv_channel_params cp;
struct hdlcdrv_channel_state cs;
struct hdlcdrv_old_channel_state ocs;
unsigned int calibrate;
unsigned char bits;
char modename[128];
char drivername[32];
} data;
};

/* -------------------------------------------------------------------- */

/*
* ioctl values
*/
#define HDLCDRVCTL_GETMODEMPAR 0
#define HDLCDRVCTL_SETMODEMPAR 1
#define HDLCDRVCTL_MODEMPARMASK 2 /* not handled by hdlcdrv */
#define HDLCDRVCTL_GETCHANNELPAR 10
#define HDLCDRVCTL_SETCHANNELPAR 11
#define HDLCDRVCTL_OLDGETSTAT 20
#define HDLCDRVCTL_CALIBRATE 21
#define HDLCDRVCTL_GETSTAT 22

/*
* these are mainly for debugging purposes
*/
#define HDLCDRVCTL_GETSAMPLES 30
#define HDLCDRVCTL_GETBITS 31

/*
* not handled by hdlcdrv, but by its depending drivers
*/
#define HDLCDRVCTL_GETMODE 40
#define HDLCDRVCTL_SETMODE 41
#define HDLCDRVCTL_MODELIST 42
#define HDLCDRVCTL_DRIVERNAME 43

/*
* mask of needed modem parameters, returned by HDLCDRVCTL_MODEMPARMASK
*/
#define HDLCDRV_PARMASK_IOBASE (1<<0)
#define HDLCDRV_PARMASK_IRQ (1<<1)
#define HDLCDRV_PARMASK_DMA (1<<2)
#define HDLCDRV_PARMASK_DMA2 (1<<3)
#define HDLCDRV_PARMASK_SERIOBASE (1<<4)
#define HDLCDRV_PARMASK_PARIOBASE (1<<5)
#define HDLCDRV_PARMASK_MIDIIOBASE (1<<6)

/* -------------------------------------------------------------------- */


/* -------------------------------------------------------------------- */

#endif /* _UAPI_HDLCDRV_H */

/* -------------------------------------------------------------------- */