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/*
 * SyncLink Multiprotocol Serial Adapter Driver
 *
 * $Id: synclink.h,v 1.1 2004-01-28 15:26:45 giacomo Exp $
 *
 * Copyright (C) 1998-2000 by Microgate Corporation
 *
 * Redistribution of this file is permitted under
 * the terms of the GNU Public License (GPL)
 */


#ifndef _SYNCLINK_H_
#define _SYNCLINK_H_
#define SYNCLINK_H_VERSION 3.6

#define BOOLEAN int
#define TRUE 1
#define FALSE 0

#define BIT0    0x0001
#define BIT1    0x0002
#define BIT2    0x0004
#define BIT3    0x0008
#define BIT4    0x0010
#define BIT5    0x0020
#define BIT6    0x0040
#define BIT7    0x0080
#define BIT8    0x0100
#define BIT9    0x0200
#define BIT10   0x0400
#define BIT11   0x0800
#define BIT12   0x1000
#define BIT13   0x2000
#define BIT14   0x4000
#define BIT15   0x8000
#define BIT16   0x00010000
#define BIT17   0x00020000
#define BIT18   0x00040000
#define BIT19   0x00080000
#define BIT20   0x00100000
#define BIT21   0x00200000
#define BIT22   0x00400000
#define BIT23   0x00800000
#define BIT24   0x01000000
#define BIT25   0x02000000
#define BIT26   0x04000000
#define BIT27   0x08000000
#define BIT28   0x10000000
#define BIT29   0x20000000
#define BIT30   0x40000000
#define BIT31   0x80000000


#define HDLC_MAX_FRAME_SIZE     65535
#define MAX_ASYNC_TRANSMIT      4096
#define MAX_ASYNC_BUFFER_SIZE   4096

#define ASYNC_PARITY_NONE               0
#define ASYNC_PARITY_EVEN               1
#define ASYNC_PARITY_ODD                2
#define ASYNC_PARITY_SPACE              3

#define HDLC_FLAG_UNDERRUN_ABORT7       0x0000
#define HDLC_FLAG_UNDERRUN_ABORT15      0x0001
#define HDLC_FLAG_UNDERRUN_FLAG         0x0002
#define HDLC_FLAG_UNDERRUN_CRC          0x0004
#define HDLC_FLAG_SHARE_ZERO            0x0010
#define HDLC_FLAG_AUTO_CTS              0x0020
#define HDLC_FLAG_AUTO_DCD              0x0040
#define HDLC_FLAG_AUTO_RTS              0x0080
#define HDLC_FLAG_RXC_DPLL              0x0100
#define HDLC_FLAG_RXC_BRG               0x0200
#define HDLC_FLAG_RXC_TXCPIN            0x8000
#define HDLC_FLAG_RXC_RXCPIN            0x0000
#define HDLC_FLAG_TXC_DPLL              0x0400
#define HDLC_FLAG_TXC_BRG               0x0800
#define HDLC_FLAG_TXC_TXCPIN            0x0000
#define HDLC_FLAG_TXC_RXCPIN            0x0008
#define HDLC_FLAG_DPLL_DIV8             0x1000
#define HDLC_FLAG_DPLL_DIV16            0x2000
#define HDLC_FLAG_DPLL_DIV32            0x0000
#define HDLC_FLAG_HDLC_LOOPMODE         0x4000

#define HDLC_CRC_NONE                   0
#define HDLC_CRC_16_CCITT               1
#define HDLC_CRC_32_CCITT               2
#define HDLC_CRC_MASK                   0x00ff
#define HDLC_CRC_RETURN_EX              0x8000

#define RX_OK                           0
#define RX_CRC_ERROR                    1

#define HDLC_TXIDLE_FLAGS               0
#define HDLC_TXIDLE_ALT_ZEROS_ONES      1
#define HDLC_TXIDLE_ZEROS               2
#define HDLC_TXIDLE_ONES                3
#define HDLC_TXIDLE_ALT_MARK_SPACE      4
#define HDLC_TXIDLE_SPACE               5
#define HDLC_TXIDLE_MARK                6

#define HDLC_ENCODING_NRZ                       0
#define HDLC_ENCODING_NRZB                      1
#define HDLC_ENCODING_NRZI_MARK                 2
#define HDLC_ENCODING_NRZI_SPACE                3
#define HDLC_ENCODING_NRZI                      HDLC_ENCODING_NRZI_SPACE
#define HDLC_ENCODING_BIPHASE_MARK              4
#define HDLC_ENCODING_BIPHASE_SPACE             5
#define HDLC_ENCODING_BIPHASE_LEVEL             6
#define HDLC_ENCODING_DIFF_BIPHASE_LEVEL        7

#define HDLC_PREAMBLE_LENGTH_8BITS      0
#define HDLC_PREAMBLE_LENGTH_16BITS     1
#define HDLC_PREAMBLE_LENGTH_32BITS     2
#define HDLC_PREAMBLE_LENGTH_64BITS     3

#define HDLC_PREAMBLE_PATTERN_NONE      0
#define HDLC_PREAMBLE_PATTERN_ZEROS     1
#define HDLC_PREAMBLE_PATTERN_FLAGS     2
#define HDLC_PREAMBLE_PATTERN_10        3
#define HDLC_PREAMBLE_PATTERN_01        4
#define HDLC_PREAMBLE_PATTERN_ONES      5

#define MGSL_MODE_ASYNC         1
#define MGSL_MODE_HDLC          2
#define MGSL_MODE_RAW           6

#define MGSL_BUS_TYPE_ISA       1
#define MGSL_BUS_TYPE_EISA      2
#define MGSL_BUS_TYPE_PCI       5

#define MGSL_INTERFACE_DISABLE  0
#define MGSL_INTERFACE_RS232    1
#define MGSL_INTERFACE_V35      2
#define MGSL_INTERFACE_RS422    3

typedef struct _MGSL_PARAMS
{
        /* Common */

        unsigned long   mode;           /* Asynchronous or HDLC */
        unsigned char   loopback;       /* internal loopback mode */

        /* HDLC Only */

        unsigned short  flags;
        unsigned char   encoding;       /* NRZ, NRZI, etc. */
        unsigned long   clock_speed;    /* external clock speed in bits per second */
        unsigned char   addr_filter;    /* receive HDLC address filter, 0xFF = disable */
        unsigned short  crc_type;       /* None, CRC16-CCITT, or CRC32-CCITT */
        unsigned char   preamble_length;
        unsigned char   preamble;

        /* Async Only */

        unsigned long   data_rate;      /* bits per second */
        unsigned char   data_bits;      /* 7 or 8 data bits */
        unsigned char   stop_bits;      /* 1 or 2 stop bits */
        unsigned char   parity;         /* none, even, or odd */

} MGSL_PARAMS, *PMGSL_PARAMS;

#define MICROGATE_VENDOR_ID 0x13c0
#define SYNCLINK_DEVICE_ID 0x0010
#define MGSCC_DEVICE_ID 0x0020
#define SYNCLINK_SCA_DEVICE_ID 0x0030
#define MGSL_MAX_SERIAL_NUMBER 30

/*
** device diagnostics status
*/


#define DiagStatus_OK                           0
#define DiagStatus_AddressFailure               1
#define DiagStatus_AddressConflict              2
#define DiagStatus_IrqFailure                   3
#define DiagStatus_IrqConflict                  4
#define DiagStatus_DmaFailure                   5
#define DiagStatus_DmaConflict                  6
#define DiagStatus_PciAdapterNotFound           7
#define DiagStatus_CantAssignPciResources       8
#define DiagStatus_CantAssignPciMemAddr         9
#define DiagStatus_CantAssignPciIoAddr          10
#define DiagStatus_CantAssignPciIrq             11
#define DiagStatus_MemoryError                  12

#define SerialSignal_DCD            0x01     /* Data Carrier Detect */
#define SerialSignal_TXD            0x02     /* Transmit Data */
#define SerialSignal_RI             0x04     /* Ring Indicator */
#define SerialSignal_RXD            0x08     /* Receive Data */
#define SerialSignal_CTS            0x10     /* Clear to Send */
#define SerialSignal_RTS            0x20     /* Request to Send */
#define SerialSignal_DSR            0x40     /* Data Set Ready */
#define SerialSignal_DTR            0x80     /* Data Terminal Ready */


/*
 * Counters of the input lines (CTS, DSR, RI, CD) interrupts
 */

struct mgsl_icount {
        __u32   cts, dsr, rng, dcd, tx, rx;
        __u32   frame, parity, overrun, brk;
        __u32   buf_overrun;
        __u32   txok;
        __u32   txunder;
        __u32   txabort;
        __u32   txtimeout;
        __u32   rxshort;
        __u32   rxlong;
        __u32   rxabort;
        __u32   rxover;
        __u32   rxcrc;
        __u32   rxok;
        __u32   exithunt;
        __u32   rxidle;
};


#define DEBUG_LEVEL_DATA        1
#define DEBUG_LEVEL_ERROR       2
#define DEBUG_LEVEL_INFO        3
#define DEBUG_LEVEL_BH          4
#define DEBUG_LEVEL_ISR         5

/*
** Event bit flags for use with MgslWaitEvent
*/


#define MgslEvent_DsrActive     0x0001
#define MgslEvent_DsrInactive   0x0002
#define MgslEvent_Dsr           0x0003
#define MgslEvent_CtsActive     0x0004
#define MgslEvent_CtsInactive   0x0008
#define MgslEvent_Cts           0x000c
#define MgslEvent_DcdActive     0x0010
#define MgslEvent_DcdInactive   0x0020
#define MgslEvent_Dcd           0x0030
#define MgslEvent_RiActive      0x0040
#define MgslEvent_RiInactive    0x0080
#define MgslEvent_Ri            0x00c0
#define MgslEvent_ExitHuntMode  0x0100
#define MgslEvent_IdleReceived  0x0200

/* Private IOCTL codes:
 *
 * MGSL_IOCSPARAMS      set MGSL_PARAMS structure values
 * MGSL_IOCGPARAMS      get current MGSL_PARAMS structure values
 * MGSL_IOCSTXIDLE      set current transmit idle mode
 * MGSL_IOCGTXIDLE      get current transmit idle mode
 * MGSL_IOCTXENABLE     enable or disable transmitter
 * MGSL_IOCRXENABLE     enable or disable receiver
 * MGSL_IOCTXABORT      abort transmitting frame (HDLC)
 * MGSL_IOCGSTATS       return current statistics
 * MGSL_IOCWAITEVENT    wait for specified event to occur
 * MGSL_LOOPTXDONE      transmit in HDLC LoopMode done
 * MGSL_IOCSIF          set the serial interface type
 * MGSL_IOCGIF          get the serial interface type
 */

#define MGSL_MAGIC_IOC  'm'
#define MGSL_IOCSPARAMS         _IOW(MGSL_MAGIC_IOC,0,struct _MGSL_PARAMS)
#define MGSL_IOCGPARAMS         _IOR(MGSL_MAGIC_IOC,1,struct _MGSL_PARAMS)
#define MGSL_IOCSTXIDLE         _IO(MGSL_MAGIC_IOC,2)
#define MGSL_IOCGTXIDLE         _IO(MGSL_MAGIC_IOC,3)
#define MGSL_IOCTXENABLE        _IO(MGSL_MAGIC_IOC,4)
#define MGSL_IOCRXENABLE        _IO(MGSL_MAGIC_IOC,5)
#define MGSL_IOCTXABORT         _IO(MGSL_MAGIC_IOC,6)
#define MGSL_IOCGSTATS          _IO(MGSL_MAGIC_IOC,7)
#define MGSL_IOCWAITEVENT       _IOWR(MGSL_MAGIC_IOC,8,int)
#define MGSL_IOCCLRMODCOUNT     _IO(MGSL_MAGIC_IOC,15)
#define MGSL_IOCLOOPTXDONE      _IO(MGSL_MAGIC_IOC,9)
#define MGSL_IOCSIF             _IO(MGSL_MAGIC_IOC,10)
#define MGSL_IOCGIF             _IO(MGSL_MAGIC_IOC,11)

#endif /* _SYNCLINK_H_ */