source: rtems/c/src/libchip/serial/serial.h @ cd58d82

/*
 *  This file contains the TTY driver table definition
 *
 *  This driver uses the termios pseudo driver.
 *
 *  COPYRIGHT (c) 1998 by Radstone Technology
 *
 *
 * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY
 * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK
 * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU.
 *
 * You are hereby granted permission to use, copy, modify, and distribute
 * this file, provided that this notice, plus the above copyright notice
 * and disclaimer, appears in all copies. Radstone Technology will provide
 * no support for this code.
 *
 *  $Id$
 */

#ifndef __LIBCHIP_SERIAL_h
#define __LIBCHIP_SERIAL_h

#include <ringbuf.h>

typedef struct _console_fns {
        boolean (*deviceProbe)(int minor);
        int     (*deviceFirstOpen)(int major, int minor, void *arg);
        int     (*deviceLastClose)(int major, int minor, void *arg);
        int     (*deviceRead)(int minor);
        int     (*deviceWrite)(int minor, const char *buf, int len);
        void    (*deviceInitialize)(int minor);
        void    (*deviceWritePolled)(int minor, char cChar);
        int     deviceOutputUsesInterrupts;
} console_fns;

typedef struct _console_flow {
        int     (*deviceStopRemoteTx)(int minor);
        int     (*deviceStartRemoteTx)(int minor);
} console_flow;

typedef struct _console_tbl {
        char            *sDeviceName;
        console_fns     *pDeviceFns;
        boolean         (*deviceProbe)(int minor);
        console_flow    *pDeviceFlow;
        unsigned32      ulMargin;
        unsigned32      ulHysteresis;
        void            *pDeviceParams;
        unsigned32      ulCtrlPort1;
        unsigned32      ulCtrlPort2;
        unsigned32      ulDataPort;
        unsigned8       (*getRegister)(unsigned32 port, unsigned8 register);
        void            (*setRegister)(
                            unsigned32 port, unsigned8 reg, unsigned8 value);
        unsigned8       (*getData)(unsigned32 port);
        void            (*setData)(unsigned32 port, unsigned8 value);
        unsigned32      ulClock;
        unsigned int    ulIntVector;
} console_tbl;

typedef struct _console_data {
        void    *termios_data;
        volatile boolean        bActive;
        volatile Ring_buffer_t  TxBuffer;
        /*
         * This field may be used for any purpose required by the driver
         */
        void    *pDeviceContext;
} console_data;

extern console_tbl      Console_Port_Tbl[];
extern console_data     Console_Port_Data[];
extern unsigned long    Console_Port_Count;

#endif
/* end of include file */