drivers/staging/dgnc/digi.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright 2003 Digi International (www.digi.com)
   4  *      Scott H Kilau <Scott_Kilau at digi dot com>
   5  */
   6
   7 #ifndef _DIGI_H
   8 #define _DIGI_H
   9
  10 #define DIGI_GETA       (('e' << 8) | 94)       /* Read params */
  11 #define DIGI_SETA       (('e' << 8) | 95)       /* Set params */
  12 #define DIGI_SETAW      (('e' << 8) | 96)       /* Drain & set params */
  13 #define DIGI_SETAF      (('e' << 8) | 97)       /* Drain, flush & set params */
  14 #define DIGI_LOOPBACK (('d' << 8) | 252)        /* Enable/disable UART
  15                                                  * internal loopback
  16                                                  */
  17 #define DIGI_FAST       0x0002          /* Fast baud rates */
  18 #define RTSPACE         0x0004          /* RTS input flow control */
  19 #define CTSPACE         0x0008          /* CTS output flow control */
  20 #define DIGI_COOK       0x0080          /* Cooked processing done in FEP */
  21 #define DIGI_FORCEDCD   0x0100          /* Force carrier */
  22 #define DIGI_ALTPIN     0x0200          /* Alternate RJ-45 pin config */
  23 #define DIGI_PRINTER    0x0800          /* Hold port open for flow cntrl*/
  24 #define DIGI_DTR_TOGGLE 0x2000          /* Support DTR Toggle */
  25 #define DIGI_RTS_TOGGLE 0x8000          /* Support RTS Toggle */
  26 #define DIGI_PLEN       28              /* String length */
  27 #define DIGI_TSIZ       10              /* Terminal string len */
  28
  29 /*
  30  * Structure used with ioctl commands for DIGI parameters.
  31  */
  32 /**
  33  * struct digi_t - Ioctl commands for DIGI parameters.
  34  * @digi_flags: Flags.
  35  * @digi_maxcps: Maximum printer CPS.
  36  * @digi_maxchar: Maximum characters in the print queue.
  37  * @digi_bufsize: Buffer size.
  38  * @digi_onlen: Length of ON string.
  39  * @digi_offlen: Length of OFF string.
  40  * @digi_onstr: Printer ON string.
  41  * @digi_offstr: Printer OFF string.
  42  * @digi_term: Terminal string.
  43  */
  44 struct digi_t {
  45         unsigned short  digi_flags;
  46         unsigned short  digi_maxcps;
  47         unsigned short  digi_maxchar;
  48         unsigned short  digi_bufsize;
  49         unsigned char   digi_onlen;
  50         unsigned char   digi_offlen;
  51         char            digi_onstr[DIGI_PLEN];
  52         char            digi_offstr[DIGI_PLEN];
  53         char            digi_term[DIGI_TSIZ];
  54 };
  55
  56 /**
  57  * struct digi_getbuffer - Holds buffer use counts.
  58  */
  59 struct digi_getbuffer {
  60         unsigned long tx_in;
  61         unsigned long tx_out;
  62         unsigned long rxbuf;
  63         unsigned long txbuf;
  64         unsigned long txdone;
  65 };
  66
  67 /**
  68  * struct digi_getcounter
  69  * @norun: Number of UART overrun errors.
  70  * @noflow: Number of buffer overflow errors.
  71  * @nframe: Number of framing errors.
  72  * @nparity: Number of parity errors.
  73  * @nbreak: Number of breaks received.
  74  * @rbytes: Number of received bytes.
  75  * @tbytes: Number of transmitted bytes.
  76  */
  77 struct digi_getcounter {
  78         unsigned long norun;
  79         unsigned long noflow;
  80         unsigned long nframe;
  81         unsigned long nparity;
  82         unsigned long nbreak;
  83         unsigned long rbytes;
  84         unsigned long tbytes;
  85 };
  86
  87 #define DIGI_SETCUSTOMBAUD _IOW('e', 106, int)  /* Set integer baud rate */
  88 #define DIGI_GETCUSTOMBAUD _IOR('e', 107, int)  /* Get integer baud rate */
  89
  90 #define DIGI_REALPORT_GETBUFFERS (('e' << 8) | 108)
  91 #define DIGI_REALPORT_SENDIMMEDIATE (('e' << 8) | 109)
  92 #define DIGI_REALPORT_GETCOUNTERS (('e' << 8) | 110)
  93 #define DIGI_REALPORT_GETEVENTS (('e' << 8) | 111)
  94
  95 #define EV_OPU 0x0001 /* Output paused by client */
  96 #define EV_OPS 0x0002 /* Output paused by regular sw flowctrl */
  97 #define EV_IPU 0x0010 /* Input paused unconditionally by user */
  98 #define EV_IPS 0x0020 /* Input paused by high/low water marks */
  99 #define EV_TXB 0x0040 /* Transmit break pending */
 100
 101 /**
 102  * struct ni_info - intelligent <--> non-intelligent DPA translation.
 103  */
 104 struct ni_info {
 105         int board;
 106         int channel;
 107         int dtr;
 108         int rts;
 109         int cts;
 110         int dsr;
 111         int ri;
 112         int dcd;
 113         int curtx;
 114         int currx;
 115         unsigned short iflag;
 116         unsigned short oflag;
 117         unsigned short cflag;
 118         unsigned short lflag;
 119         unsigned int mstat;
 120         unsigned char hflow;
 121         unsigned char xmit_stopped;
 122         unsigned char recv_stopped;
 123         unsigned int baud;
 124 };
 125
 126 #define TTY_FLIPBUF_SIZE 512
 127
 128 #endif  /* _DIGI_H */