/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright 2003 Digi International (www.digi.com)
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* Scott H Kilau <Scott_Kilau at digi dot com>
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*/
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#ifndef _DIGI_H
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#define _DIGI_H
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#define DIGI_GETA (('e' << 8) | 94) /* Read params */
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#define DIGI_SETA (('e' << 8) | 95) /* Set params */
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#define DIGI_SETAW (('e' << 8) | 96) /* Drain & set params */
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#define DIGI_SETAF (('e' << 8) | 97) /* Drain, flush & set params */
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#define DIGI_LOOPBACK (('d' << 8) | 252) /* Enable/disable UART
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* internal loopback
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*/
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#define DIGI_FAST 0x0002 /* Fast baud rates */
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#define RTSPACE 0x0004 /* RTS input flow control */
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#define CTSPACE 0x0008 /* CTS output flow control */
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#define DIGI_COOK 0x0080 /* Cooked processing done in FEP */
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#define DIGI_FORCEDCD 0x0100 /* Force carrier */
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#define DIGI_ALTPIN 0x0200 /* Alternate RJ-45 pin config */
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#define DIGI_PRINTER 0x0800 /* Hold port open for flow cntrl*/
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#define DIGI_DTR_TOGGLE 0x2000 /* Support DTR Toggle */
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#define DIGI_RTS_TOGGLE 0x8000 /* Support RTS Toggle */
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#define DIGI_PLEN 28 /* String length */
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#define DIGI_TSIZ 10 /* Terminal string len */
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/*
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* Structure used with ioctl commands for DIGI parameters.
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*/
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/**
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* struct digi_t - Ioctl commands for DIGI parameters.
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* @digi_flags: Flags.
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* @digi_maxcps: Maximum printer CPS.
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* @digi_maxchar: Maximum characters in the print queue.
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* @digi_bufsize: Buffer size.
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* @digi_onlen: Length of ON string.
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* @digi_offlen: Length of OFF string.
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* @digi_onstr: Printer ON string.
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* @digi_offstr: Printer OFF string.
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* @digi_term: Terminal string.
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*/
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struct digi_t {
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unsigned short digi_flags;
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unsigned short digi_maxcps;
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unsigned short digi_maxchar;
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unsigned short digi_bufsize;
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unsigned char digi_onlen;
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unsigned char digi_offlen;
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char digi_onstr[DIGI_PLEN];
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char digi_offstr[DIGI_PLEN];
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char digi_term[DIGI_TSIZ];
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};
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/**
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* struct digi_getbuffer - Holds buffer use counts.
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*/
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struct digi_getbuffer {
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unsigned long tx_in;
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unsigned long tx_out;
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unsigned long rxbuf;
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unsigned long txbuf;
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unsigned long txdone;
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};
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/**
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* struct digi_getcounter
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* @norun: Number of UART overrun errors.
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* @noflow: Number of buffer overflow errors.
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* @nframe: Number of framing errors.
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* @nparity: Number of parity errors.
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* @nbreak: Number of breaks received.
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* @rbytes: Number of received bytes.
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* @tbytes: Number of transmitted bytes.
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*/
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struct digi_getcounter {
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unsigned long norun;
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unsigned long noflow;
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unsigned long nframe;
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unsigned long nparity;
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unsigned long nbreak;
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unsigned long rbytes;
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unsigned long tbytes;
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};
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#define DIGI_SETCUSTOMBAUD _IOW('e', 106, int) /* Set integer baud rate */
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#define DIGI_GETCUSTOMBAUD _IOR('e', 107, int) /* Get integer baud rate */
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#define DIGI_REALPORT_GETBUFFERS (('e' << 8) | 108)
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#define DIGI_REALPORT_SENDIMMEDIATE (('e' << 8) | 109)
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#define DIGI_REALPORT_GETCOUNTERS (('e' << 8) | 110)
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#define DIGI_REALPORT_GETEVENTS (('e' << 8) | 111)
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#define EV_OPU 0x0001 /* Output paused by client */
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#define EV_OPS 0x0002 /* Output paused by regular sw flowctrl */
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#define EV_IPU 0x0010 /* Input paused unconditionally by user */
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#define EV_IPS 0x0020 /* Input paused by high/low water marks */
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#define EV_TXB 0x0040 /* Transmit break pending */
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/**
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* struct ni_info - intelligent <--> non-intelligent DPA translation.
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*/
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struct ni_info {
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int board;
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int channel;
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int dtr;
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int rts;
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int cts;
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int dsr;
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int ri;
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int dcd;
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int curtx;
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int currx;
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unsigned short iflag;
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unsigned short oflag;
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unsigned short cflag;
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unsigned short lflag;
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unsigned int mstat;
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unsigned char hflow;
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unsigned char xmit_stopped;
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unsigned char recv_stopped;
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unsigned int baud;
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};
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#define TTY_FLIPBUF_SIZE 512
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#endif /* _DIGI_H */
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