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      1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2 /*
      3  * hdlcdrv.h  -- HDLC packet radio network driver.
      4  * The Linux soundcard driver for 1200 baud and 9600 baud packet radio
      5  * (C) 1996-1998 by Thomas Sailer, HB9JNX/AE4WA
      6  */
      7 
      8 #ifndef _UAPI_HDLCDRV_H
      9 #define _UAPI_HDLCDRV_H
     10 
     11 /* -------------------------------------------------------------------- */
     12 /*
     13  * structs for the IOCTL commands
     14  */
     15 
     16 struct hdlcdrv_params {
     17 	int iobase;
     18 	int irq;
     19 	int dma;
     20 	int dma2;
     21 	int seriobase;
     22 	int pariobase;
     23 	int midiiobase;
     24 };
     25 
     26 struct hdlcdrv_channel_params {
     27 	int tx_delay;  /* the transmitter keyup delay in 10ms units */
     28 	int tx_tail;   /* the transmitter keyoff delay in 10ms units */
     29 	int slottime;  /* the slottime in 10ms; usually 10 = 100ms */
     30 	int ppersist;  /* the p-persistence 0..255 */
     31 	int fulldup;   /* some driver do not support full duplex, setting */
     32 	               /* this just makes them send even if DCD is on */
     33 };
     34 
     35 struct hdlcdrv_old_channel_state {
     36   	int ptt;
     37   	int dcd;
     38   	int ptt_keyed;
     39 };
     40 
     41 struct hdlcdrv_channel_state {
     42  	int ptt;
     43  	int dcd;
     44  	int ptt_keyed;
     45  	unsigned long tx_packets;
     46  	unsigned long tx_errors;
     47  	unsigned long rx_packets;
     48  	unsigned long rx_errors;
     49 };
     50 
     51 struct hdlcdrv_ioctl {
     52 	int cmd;
     53 	union {
     54 		struct hdlcdrv_params mp;
     55 		struct hdlcdrv_channel_params cp;
     56 		struct hdlcdrv_channel_state cs;
     57 		struct hdlcdrv_old_channel_state ocs;
     58 		unsigned int calibrate;
     59 		unsigned char bits;
     60 		char modename[128];
     61 		char drivername[32];
     62 	} data;
     63 };
     64 
     65 /* -------------------------------------------------------------------- */
     66 
     67 /*
     68  * ioctl values
     69  */
     70 #define HDLCDRVCTL_GETMODEMPAR       0
     71 #define HDLCDRVCTL_SETMODEMPAR       1
     72 #define HDLCDRVCTL_MODEMPARMASK      2  /* not handled by hdlcdrv */
     73 #define HDLCDRVCTL_GETCHANNELPAR    10
     74 #define HDLCDRVCTL_SETCHANNELPAR    11
     75 #define HDLCDRVCTL_OLDGETSTAT       20
     76 #define HDLCDRVCTL_CALIBRATE        21
     77 #define HDLCDRVCTL_GETSTAT          22
     78 
     79 /*
     80  * these are mainly for debugging purposes
     81  */
     82 #define HDLCDRVCTL_GETSAMPLES       30
     83 #define HDLCDRVCTL_GETBITS          31
     84 
     85 /*
     86  * not handled by hdlcdrv, but by its depending drivers
     87  */
     88 #define HDLCDRVCTL_GETMODE          40
     89 #define HDLCDRVCTL_SETMODE          41
     90 #define HDLCDRVCTL_MODELIST         42
     91 #define HDLCDRVCTL_DRIVERNAME       43
     92 
     93 /*
     94  * mask of needed modem parameters, returned by HDLCDRVCTL_MODEMPARMASK
     95  */
     96 #define HDLCDRV_PARMASK_IOBASE      (1<<0)
     97 #define HDLCDRV_PARMASK_IRQ         (1<<1)
     98 #define HDLCDRV_PARMASK_DMA         (1<<2)
     99 #define HDLCDRV_PARMASK_DMA2        (1<<3)
    100 #define HDLCDRV_PARMASK_SERIOBASE   (1<<4)
    101 #define HDLCDRV_PARMASK_PARIOBASE   (1<<5)
    102 #define HDLCDRV_PARMASK_MIDIIOBASE  (1<<6)
    103 
    104 /* -------------------------------------------------------------------- */
    105 
    106 
    107 /* -------------------------------------------------------------------- */
    108 
    109 #endif /* _UAPI_HDLCDRV_H */
    110 
    111 /* -------------------------------------------------------------------- */
    112