drivers/staging/dgnc/digi.h

   1 /*
   2  * Copyright 2003 Digi International (www.digi.com)
   3  *      Scott H Kilau <Scott_Kilau at digi dot com>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2, or (at your option)
   8  * any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; without even the
  12  * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  13  * PURPOSE.  See the GNU General Public License for more details.
  14  */
  15
  16 #ifndef __DIGI_H
  17 #define __DIGI_H
  18
  19 #ifndef TIOCM_LE
  20 #define         TIOCM_LE        0x01            /* line enable          */
  21 #define         TIOCM_DTR       0x02            /* data terminal ready  */
  22 #define         TIOCM_RTS       0x04            /* request to send      */
  23 #define         TIOCM_ST        0x08            /* secondary transmit   */
  24 #define         TIOCM_SR        0x10            /* secondary receive    */
  25 #define         TIOCM_CTS       0x20            /* clear to send        */
  26 #define         TIOCM_CAR       0x40            /* carrier detect       */
  27 #define         TIOCM_RNG       0x80            /* ring indicator       */
  28 #define         TIOCM_DSR       0x100           /* data set ready       */
  29 #define         TIOCM_RI        TIOCM_RNG       /* ring (alternate)     */
  30 #define         TIOCM_CD        TIOCM_CAR       /* carrier detect (alt) */
  31 #endif
  32
  33 #if !defined(TIOCMSET)
  34 #define TIOCMSET        (('d' << 8) | 252)      /* set modem ctrl state */
  35 #define TIOCMGET        (('d' << 8) | 253)      /* set modem ctrl state */
  36 #endif
  37
  38 #if !defined(TIOCMBIC)
  39 #define TIOCMBIC        (('d' << 8) | 254)      /* set modem ctrl state */
  40 #define TIOCMBIS        (('d' << 8) | 255)      /* set modem ctrl state */
  41 #endif
  42
  43 #define DIGI_GETA       (('e' << 8) | 94)       /* Read params          */
  44 #define DIGI_SETA       (('e' << 8) | 95)       /* Set params           */
  45 #define DIGI_SETAW      (('e' << 8) | 96)       /* Drain & set params   */
  46 #define DIGI_SETAF      (('e' << 8) | 97)       /* Drain, flush & set params */
  47 #define DIGI_GET_NI_INFO (('d' << 8) | 250) /* Non-intelligent state info */
  48 #define DIGI_LOOPBACK (('d' << 8) | 252) /*
  49                                         * Enable/disable UART
  50                                         * internal loopback
  51                                         */
  52 #define DIGI_FAST       0x0002          /* Fast baud rates              */
  53 #define RTSPACE         0x0004          /* RTS input flow control       */
  54 #define CTSPACE         0x0008          /* CTS output flow control      */
  55 #define DIGI_COOK       0x0080          /* Cooked processing done in FEP */
  56 #define DIGI_FORCEDCD   0x0100          /* Force carrier                */
  57 #define DIGI_ALTPIN     0x0200          /* Alternate RJ-45 pin config   */
  58 #define DIGI_PRINTER    0x0800          /* Hold port open for flow cntrl*/
  59 #define DIGI_DTR_TOGGLE 0x2000          /* Support DTR Toggle           */
  60 #define DIGI_RTS_TOGGLE 0x8000          /* Support RTS Toggle           */
  61 #define DIGI_PLEN       28              /* String length                */
  62 #define DIGI_TSIZ       10              /* Terminal string len          */
  63
  64 /************************************************************************
  65  * Structure used with ioctl commands for DIGI parameters.
  66  ************************************************************************/
  67 struct digi_t {
  68         unsigned short  digi_flags;             /* Flags (see above)    */
  69         unsigned short  digi_maxcps;            /* Max printer CPS      */
  70         unsigned short  digi_maxchar;           /* Max chars in print queue */
  71         unsigned short  digi_bufsize;           /* Buffer size          */
  72         unsigned char   digi_onlen;             /* Length of ON string  */
  73         unsigned char   digi_offlen;            /* Length of OFF string */
  74         char            digi_onstr[DIGI_PLEN];  /* Printer on string    */
  75         char            digi_offstr[DIGI_PLEN]; /* Printer off string   */
  76         char            digi_term[DIGI_TSIZ];   /* terminal string      */
  77 };
  78
  79 /************************************************************************
  80  * Structure to get driver status information
  81  ************************************************************************/
  82 struct digi_dinfo {
  83         unsigned int    dinfo_nboards;          /* # boards configured  */
  84         char            dinfo_reserved[12];     /* for future expansion */
  85         char            dinfo_version[16];      /* driver version       */
  86 };
  87
  88 #define DIGI_GETDD      (('d' << 8) | 248)      /* get driver info      */
  89
  90 /************************************************************************
  91  * Structure used with ioctl commands for per-board information
  92  *
  93  * physsize and memsize differ when board has "windowed" memory
  94  ************************************************************************/
  95 struct digi_info {
  96         unsigned int    info_bdnum;             /* Board number (0 based)  */
  97         unsigned int    info_ioport;            /* io port address         */
  98         unsigned int    info_physaddr;          /* memory address          */
  99         unsigned int    info_physsize;          /* Size of host mem window */
 100         unsigned int    info_memsize;           /* Amount of dual-port mem */
 101                                                 /* on board                */
 102         unsigned short  info_bdtype;            /* Board type              */
 103         unsigned short  info_nports;            /* number of ports         */
 104         char            info_bdstate;           /* board state             */
 105         char            info_reserved[7];       /* for future expansion    */
 106 };
 107
 108 #define DIGI_GETBD      (('d' << 8) | 249)      /* get board info          */
 109
 110 struct digi_getbuffer /* Struct for holding buffer use counts */
 111 {
 112         unsigned long tx_in;
 113         unsigned long tx_out;
 114         unsigned long rxbuf;
 115         unsigned long txbuf;
 116         unsigned long txdone;
 117 };
 118
 119 struct digi_getcounter {
 120         unsigned long norun;            /* number of UART overrun errors */
 121         unsigned long noflow;           /* number of buffer overflow errors */
 122         unsigned long nframe;           /* number of framing errors */
 123         unsigned long nparity;          /* number of parity errors */
 124         unsigned long nbreak;           /* number of breaks received */
 125         unsigned long rbytes;           /* number of received bytes */
 126         unsigned long tbytes;           /* number of bytes transmitted fully */
 127 };
 128
 129 /* Board State Definitions */
 130 #define BD_RUNNING      0x0
 131 #define BD_NOFEP        0x5
 132
 133 #define DIGI_SETCUSTOMBAUD _IOW('e', 106, int)  /* Set integer baud rate */
 134 #define DIGI_GETCUSTOMBAUD _IOR('e', 107, int)  /* Get integer baud rate */
 135
 136 #define DIGI_REALPORT_GETBUFFERS (('e' << 8) | 108)
 137 #define DIGI_REALPORT_SENDIMMEDIATE (('e' << 8) | 109)
 138 #define DIGI_REALPORT_GETCOUNTERS (('e' << 8) | 110)
 139 #define DIGI_REALPORT_GETEVENTS (('e' << 8) | 111)
 140
 141 #define EV_OPU 0x0001 /* !<Output paused by client */
 142 #define EV_OPS 0x0002 /* !<Output paused by reqular sw flowctrl */
 143 #define EV_IPU 0x0010 /* !<Input paused unconditionally by user */
 144 #define EV_IPS 0x0020 /* !<Input paused by high/low water marks */
 145 #define EV_TXB 0x0040 /* !<Transmit break pending */
 146
 147 /*
 148  * This structure holds data needed for the intelligent <--> nonintelligent
 149  * DPA translation
 150  */
 151 struct ni_info {
 152         int board;
 153         int channel;
 154         int dtr;
 155         int rts;
 156         int cts;
 157         int dsr;
 158         int ri;
 159         int dcd;
 160         int curtx;
 161         int currx;
 162         unsigned short iflag;
 163         unsigned short oflag;
 164         unsigned short cflag;
 165         unsigned short lflag;
 166         unsigned int mstat;
 167         unsigned char hflow;
 168         unsigned char xmit_stopped;
 169         unsigned char recv_stopped;
 170         unsigned int baud;
 171 };
 172
 173 #define T_CLASSIC 0002
 174 #define T_PCIBUS 0400
 175 #define T_NEO_EXPRESS 0001
 176 #define T_NEO 0000
 177
 178 #define TTY_FLIPBUF_SIZE 512
 179 #endif /* DIGI_H */