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 /* Structure to get driver status information */
  80
  81 struct digi_dinfo {
  82         unsigned int    dinfo_nboards;          /* # boards configured */
  83         char            dinfo_reserved[12];     /* for future expansion */
  84         char            dinfo_version[16];      /* driver version */
  85 };
  86
  87 #define DIGI_GETDD      (('d' << 8) | 248)      /* get driver info */
  88
  89 /*
  90  * Structure used with ioctl commands for per-board information
  91  *
  92  * physsize and memsize differ when board has "windowed" memory
  93  */
  94 struct digi_info {
  95         unsigned int    info_bdnum;             /* Board number (0 based) */
  96         unsigned int    info_ioport;            /* io port address */
  97         unsigned int    info_physaddr;          /* memory address */
  98         unsigned int    info_physsize;          /* Size of host mem window */
  99         unsigned int    info_memsize;           /* Amount of dual-port mem */
 100                                                 /* on board */
 101         unsigned short  info_bdtype;            /* Board type */
 102         unsigned short  info_nports;            /* number of ports */
 103         char            info_bdstate;           /* board state */
 104         char            info_reserved[7];       /* for future expansion */
 105 };
 106
 107 #define DIGI_GETBD      (('d' << 8) | 249)      /* get board info */
 108
 109 struct digi_getbuffer /* Struct for holding buffer use counts */
 110 {
 111         unsigned long tx_in;
 112         unsigned long tx_out;
 113         unsigned long rxbuf;
 114         unsigned long txbuf;
 115         unsigned long txdone;
 116 };
 117
 118 struct digi_getcounter {
 119         unsigned long norun;            /* number of UART overrun errors */
 120         unsigned long noflow;           /* number of buffer overflow errors */
 121         unsigned long nframe;           /* number of framing errors */
 122         unsigned long nparity;          /* number of parity errors */
 123         unsigned long nbreak;           /* number of breaks received */
 124         unsigned long rbytes;           /* number of received bytes */
 125         unsigned long tbytes;           /* number of bytes transmitted fully */
 126 };
 127
 128 /* Board State Definitions */
 129 #define BD_RUNNING      0x0
 130 #define BD_NOFEP        0x5
 131
 132 #define DIGI_SETCUSTOMBAUD _IOW('e', 106, int)  /* Set integer baud rate */
 133 #define DIGI_GETCUSTOMBAUD _IOR('e', 107, int)  /* Get integer baud rate */
 134
 135 #define DIGI_REALPORT_GETBUFFERS (('e' << 8) | 108)
 136 #define DIGI_REALPORT_SENDIMMEDIATE (('e' << 8) | 109)
 137 #define DIGI_REALPORT_GETCOUNTERS (('e' << 8) | 110)
 138 #define DIGI_REALPORT_GETEVENTS (('e' << 8) | 111)
 139
 140 #define EV_OPU 0x0001 /* !<Output paused by client */
 141 #define EV_OPS 0x0002 /* !<Output paused by regular sw flowctrl */
 142 #define EV_IPU 0x0010 /* !<Input paused unconditionally by user */
 143 #define EV_IPS 0x0020 /* !<Input paused by high/low water marks */
 144 #define EV_TXB 0x0040 /* !<Transmit break pending */
 145
 146 /*
 147  * This structure holds data needed for the intelligent <--> nonintelligent
 148  * DPA translation
 149  */
 150 struct ni_info {
 151         int board;
 152         int channel;
 153         int dtr;
 154         int rts;
 155         int cts;
 156         int dsr;
 157         int ri;
 158         int dcd;
 159         int curtx;
 160         int currx;
 161         unsigned short iflag;
 162         unsigned short oflag;
 163         unsigned short cflag;
 164         unsigned short lflag;
 165         unsigned int mstat;
 166         unsigned char hflow;
 167         unsigned char xmit_stopped;
 168         unsigned char recv_stopped;
 169         unsigned int baud;
 170 };
 171
 172 #define T_CLASSIC 0002
 173 #define T_PCIBUS 0400
 174 #define T_NEO_EXPRESS 0001
 175 #define T_NEO 0000
 176
 177 #define TTY_FLIPBUF_SIZE 512
 178 #endif /* DIGI_H */