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Annotation of 43BSDReno/sys/hpdev/dcareg.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1982, 1986, 1990 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution is only permitted until one year after the first shipment
        !             6:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
        !             7:  * binary forms are permitted provided that: (1) source distributions retain
        !             8:  * this entire copyright notice and comment, and (2) distributions including
        !             9:  * binaries display the following acknowledgement:  This product includes
        !            10:  * software developed by the University of California, Berkeley and its
        !            11:  * contributors'' in the documentation or other materials provided with the
        !            12:  * distribution and in all advertising materials mentioning features or use
        !            13:  * of this software.  Neither the name of the University nor the names of
        !            14:  * its contributors may be used to endorse or promote products derived from
        !            15:  * this software without specific prior written permission.
        !            16:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            19:  *
        !            20:  *     @(#)dcareg.h    7.2 (Berkeley) 6/27/90
        !            21:  */
        !            22: 
        !            23: struct dcadevice {
        !            24:        u_char  dca_pad0;
        !            25:        volatile u_char dca_irid;
        !            26:        volatile short  dca_ic;
        !            27:        volatile short  dca_ocbrc;
        !            28:        volatile short  dca_lcsm;
        !            29:        short   dca_pad1[4];
        !            30:        u_char  dca_pad2;
        !            31:        volatile u_char dca_data;
        !            32:        volatile short  dca_ier;
        !            33:        u_char  dca_pad4;
        !            34:        volatile u_char dca_iir;
        !            35:        volatile short  dca_cfcr;
        !            36:        volatile short  dca_mcr;
        !            37:        volatile short  dca_lsr;
        !            38:        u_char  dca_pad3;
        !            39:        volatile u_char dca_msr;
        !            40: };
        !            41: 
        !            42: /* interface reset/id */
        !            43: #define        DCAID0          0x02
        !            44: #define DCAREMID0      0x82
        !            45: #define        DCAID1          0x42
        !            46: #define DCAREMID1      0xC2
        !            47: 
        !            48: /* interrupt control */
        !            49: #define        DCAIPL(x)       ((((x) >> 4) & 3) + 3)
        !            50: #define        IC_IR           0x40
        !            51: #define        IC_IE           0x80
        !            52: 
        !            53: /* 16 bit baud rate divisor (lower byte in dca_data, upper in dca_ier) */
        !            54: #define        DCABRD(x)       (153600 / (x))
        !            55: 
        !            56: /* interrupt enable register */
        !            57: #define        IER_ERXRDY      0x1
        !            58: #define        IER_ETXRDY      0x2
        !            59: #define        IER_ERLS        0x4
        !            60: #define        IER_EMSC        0x8
        !            61: 
        !            62: /* interrupt identification register */
        !            63: #define        IIR_NOPEND      0x1
        !            64: #define        IIR_IMASK       0x6
        !            65: #define        IIR_RLS         6
        !            66: #define        IIR_RXRDY       4
        !            67: #define        IIR_TXRDY       2
        !            68: #define        IIR_MLSC        0
        !            69: 
        !            70: /* character format control register */
        !            71: #define        CFCR_DLAB       0x80
        !            72: #define        CFCR_SBREAK     0x40
        !            73: #define        CFCR_PZERO      0x30
        !            74: #define        CFCR_PONE       0x20
        !            75: #define        CFCR_PEVEN      0x10
        !            76: #define        CFCR_PODD       0x00
        !            77: #define        CFCR_PENAB      0x08
        !            78: #define        CFCR_STOPB      0x04
        !            79: #define        CFCR_8BITS      0x03
        !            80: #define        CFCR_7BITS      0x02
        !            81: #define        CFCR_6BITS      0x01
        !            82: #define        CFCR_5BITS      0x00
        !            83: 
        !            84: /* modem control register */
        !            85: #define        MCR_LOOPBACK    0x10
        !            86: #define        MCR_SRTS        0x08
        !            87: #define        MCR_DRS         0x04
        !            88: #define        MCR_RTS         0x02
        !            89: #define        MCR_DTR         0x01
        !            90: 
        !            91: /* line status register */
        !            92: #define        LSR_TSRE        0x40
        !            93: #define        LSR_TXRDY       0x20
        !            94: #define        LSR_BI          0x10
        !            95: #define        LSR_FE          0x08
        !            96: #define        LSR_PE          0x04
        !            97: #define        LSR_OE          0x02
        !            98: #define        LSR_RXRDY       0x01
        !            99: 
        !           100: /* modem status register */
        !           101: #define        MSR_DCD         0x80
        !           102: #define        MSR_RI          0x40
        !           103: #define        MSR_DSR         0x20
        !           104: #define        MSR_CTS         0x10
        !           105: #define        MSR_DDCD        0x08
        !           106: #define        MSR_TERI        0x04
        !           107: #define        MSR_DDSR        0x02
        !           108: #define        MSR_DCTS        0x01
        !           109: 
        !           110: /*
        !           111:  * WARNING: Serial console is assumed to be at SC9
        !           112:  * and CONUNIT must be 0.
        !           113:  */
        !           114: #define CONADDR        ((struct dcadevice *)(IOV(EXTIOBASE + (9 * IOCARDSIZE))))
        !           115: #define CONUNIT        (0)

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