LXR linux/include/linux/istallion.h

   1/*****************************************************************************/
   2
   3/*
   4 *      istallion.h  -- stallion intelligent multiport serial driver.
   5 *
   6 *      Copyright (C) 1996-1998  Stallion Technologies
   7 *      Copyright (C) 1994-1996  Greg Ungerer.
   8 *
   9 *      This program is free software; you can redistribute it and/or modify
  10 *      it under the terms of the GNU General Public License as published by
  11 *      the Free Software Foundation; either version 2 of the License, or
  12 *      (at your option) any later version.
  13 *
  14 *      This program is distributed in the hope that it will be useful,
  15 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 *      GNU General Public License for more details.
  18 *
  19 *      You should have received a copy of the GNU General Public License
  20 *      along with this program; if not, write to the Free Software
  21 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24/*****************************************************************************/
  25#ifndef _ISTALLION_H
  26#define _ISTALLION_H
  27/*****************************************************************************/
  28
  29/*
  30 *      Define important driver constants here.
  31 */
  32#define STL_MAXBRDS             4
  33#define STL_MAXPANELS           4
  34#define STL_MAXPORTS            64
  35#define STL_MAXCHANS            (STL_MAXPORTS + 1)
  36#define STL_MAXDEVS             (STL_MAXBRDS * STL_MAXPORTS)
  37
  38
  39/*
  40 *      Define a set of structures to hold all the board/panel/port info
  41 *      for our ports. These will be dynamically allocated as required at
  42 *      driver initialization time.
  43 */
  44
  45/*
  46 *      Port and board structures to hold status info about each object.
  47 *      The board structure contains pointers to structures for each port
  48 *      connected to it. Panels are not distinguished here, since
  49 *      communication with the slave board will always be on a per port
  50 *      basis.
  51 */
  52struct stliport {
  53        unsigned long           magic;
  54        struct tty_port         port;
  55        unsigned int            portnr;
  56        unsigned int            panelnr;
  57        unsigned int            brdnr;
  58        unsigned long           state;
  59        unsigned int            devnr;
  60        int                     baud_base;
  61        int                     custom_divisor;
  62        int                     closing_wait;
  63        int                     rc;
  64        int                     argsize;
  65        void                    *argp;
  66        unsigned int            rxmarkmsk;
  67        wait_queue_head_t       raw_wait;
  68        struct asysigs          asig;
  69        unsigned long           addr;
  70        unsigned long           rxoffset;
  71        unsigned long           txoffset;
  72        unsigned long           sigs;
  73        unsigned long           pflag;
  74        unsigned int            rxsize;
  75        unsigned int            txsize;
  76        unsigned char           reqbit;
  77        unsigned char           portidx;
  78        unsigned char           portbit;
  79};
  80
  81/*
  82 *      Use a structure of function pointers to do board level operations.
  83 *      These include, enable/disable, paging shared memory, interrupting, etc.
  84 */
  85struct stlibrd {
  86        unsigned long   magic;
  87        unsigned int    brdnr;
  88        unsigned int    brdtype;
  89        unsigned long   state;
  90        unsigned int    nrpanels;
  91        unsigned int    nrports;
  92        unsigned int    nrdevs;
  93        unsigned int    iobase;
  94        int             iosize;
  95        unsigned long   memaddr;
  96        void            __iomem *membase;
  97        unsigned long   memsize;
  98        int             pagesize;
  99        int             hostoffset;
 100        int             slaveoffset;
 101        int             bitsize;
 102        int             enabval;
 103        unsigned int    panels[STL_MAXPANELS];
 104        int             panelids[STL_MAXPANELS];
 105        void            (*init)(struct stlibrd *brdp);
 106        void            (*enable)(struct stlibrd *brdp);
 107        void            (*reenable)(struct stlibrd *brdp);
 108        void            (*disable)(struct stlibrd *brdp);
 109        void            __iomem *(*getmemptr)(struct stlibrd *brdp, unsigned long offset, int line);
 110        void            (*intr)(struct stlibrd *brdp);
 111        void            (*reset)(struct stlibrd *brdp);
 112        struct stliport *ports[STL_MAXPORTS];
 113};
 114
 115
 116/*
 117 *      Define MAGIC numbers used for above structures.
 118 */
 119#define STLI_PORTMAGIC  0xe671c7a1
 120#define STLI_BOARDMAGIC 0x4bc6c825
 121
 122/*****************************************************************************/
 123#endif
 124