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#define XEMPORTS    0xC02

#define XEPORTS     0xC22

#define MAX_ALLOC   0x100

#define MAXBOARDS   12

#define FEPCODESEG  0x0200L

#define FEPCODE     0x2000L

#define BIOSCODE    0xf800L

#define MISCGLOBAL  0x0C00L

#define NPORT       0x0C22L

#define MBOX        0x0C40L

#define PORTBASE    0x0C90L

/* Begin code defines used for epca_setup */

#define INVALID_BOARD_TYPE   0x1

#define INVALID_NUM_PORTS    0x2

#define INVALID_MEM_BASE     0x4

#define INVALID_PORT_BASE    0x8

#define INVALID_BOARD_STATUS 0x10

#define INVALID_ALTPIN       0x20

/* End code defines used for epca_setup */

#define FEPCLR      0x00

#define FEPMEM      0x02

#define FEPRST      0x04

#define FEPINT      0x08

#define FEPMASK     0x0e

#define FEPWIN      0x80

#define PCXE    0

#define PCXEVE  1

#define PCXEM   2   

#define EISAXEM 3

#define PC64XE  4

#define PCXI    5

#define PCIXEM  7

#define PCICX   8

#define PCIXR   9

#define PCIXRJ  10

#define EPCA_NUM_TYPES 6

static char *board_desc[] =

{

        "PC/Xe",

        "PC/Xeve",

        "PC/Xem",

        "EISA/Xem",

        "PC/64Xe",

        "PC/Xi",

        "unknown",

        "PCI/Xem",

        "PCI/CX",

        "PCI/Xr",

        "PCI/Xrj",

};

#define STARTC      021

#define STOPC       023

#define IAIXON      0x2000

#define TXSTOPPED  0x1

#define LOWWAIT    0x2

#define EMPTYWAIT  0x4

#define RXSTOPPED  0x8

#define TXBUSY     0x10

#define DISABLED   0

#define ENABLED    1

#define OFF        0

#define ON         1

#define FEPTIMEOUT 200000  

#define SERIAL_TYPE_NORMAL  1

#define SERIAL_TYPE_CALLOUT 2

#define SERIAL_TYPE_INFO    3

#define EPCA_EVENT_HANGUP   1

#define EPCA_MAGIC          0x5c6df104L

struct channel

{

        long   magic;

        unchar boardnum;

        unchar channelnum;

        unchar omodem;         /* FEP output modem status     */

        unchar imodem;         /* FEP input modem status      */

        unchar modemfake;      /* Modem values to be forced   */

        unchar modem;          /* Force values                */

        unchar hflow;

        unchar dsr;

        unchar dcd;

        unchar m_rts ;          /* The bits used in whatever FEP */

        unchar m_dcd ;          /* is indiginous to this board to */

        unchar m_dsr ;          /* represent each of the physical */

        unchar m_cts ;          /* handshake lines */

        unchar m_ri ;

        unchar m_dtr ;

        unchar stopc;

        unchar startc;

        unchar stopca;

        unchar startca;

        unchar fepstopc;

        unchar fepstartc;

        unchar fepstopca;

        unchar fepstartca;

        unchar txwin;

        unchar rxwin;

        ushort fepiflag;

        ushort fepcflag;

        ushort fepoflag;

        ushort txbufhead;

        ushort txbufsize;

        ushort rxbufhead;

        ushort rxbufsize;

        int    close_delay;

        int    count;

        int    blocked_open;

        int    event;

        int    asyncflags;

        uint   dev;

        long   session;

        long   pgrp;

        ulong  statusflags;

        ulong  c_iflag;

        ulong  c_cflag;

        ulong  c_lflag;

        ulong  c_oflag;

        unchar *txptr;

        unchar *rxptr;

        unchar *tmp_buf;

        struct board_info           *board;

        volatile struct board_chan  *brdchan;

        struct digi_struct          digiext;

        struct tty_struct           *tty;

        struct termios              normal_termios;

        struct termios              callout_termios;

        wait_queue_head_t           open_wait;

        wait_queue_head_t           close_wait;

        struct tq_struct            tqueue;

        volatile struct global_data *mailbox;

};

struct board_info

{

        unchar status;

        unchar type;

        unchar altpin;

        ushort numports;

        unchar *port;

        unchar *membase;

        unchar *re_map_port;

        unchar *re_map_membase;

        ulong  memory_seg;

        void ( * memwinon )     (struct board_info *, unsigned int) ;

        void ( * memwinoff )    (struct board_info *, unsigned int) ;

        void ( * globalwinon )  (struct channel *) ;

        void ( * txwinon )      (struct channel *) ;

        void ( * rxwinon )      (struct channel *) ;

        void ( * memoff )       (struct channel *) ;

        void ( * assertgwinon ) (struct channel *) ;

        void ( * assertmemoff ) (struct channel *) ;

        unchar poller_inhibited ;

};