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Annotation of Net2/arch/hp300/dev/if_lereg.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1982, 1990 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. All advertising materials mentioning features or use of this software
        !            14:  *    must display the following acknowledgement:
        !            15:  *     This product includes software developed by the University of
        !            16:  *     California, Berkeley and its contributors.
        !            17:  * 4. Neither the name of the University nor the names of its contributors
        !            18:  *    may be used to endorse or promote products derived from this software
        !            19:  *    without specific prior written permission.
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            31:  * SUCH DAMAGE.
        !            32:  *
        !            33:  *     @(#)if_lereg.h  7.1 (Berkeley) 5/8/90
        !            34:  */
        !            35: 
        !            36: #define        LEID            21
        !            37: 
        !            38: #define        LEMTU           1518
        !            39: #define        LEMINSIZE       60      /* should be 64 if mode DTCR is set */
        !            40: #define        LERBUF          8
        !            41: #define        LERBUFLOG2      3
        !            42: #define        LE_RLEN         (LERBUFLOG2 << 13)
        !            43: #define        LETBUF          1
        !            44: #define        LETBUFLOG2      0
        !            45: #define        LE_TLEN         (LETBUFLOG2 << 13)
        !            46: 
        !            47: #define vu_char                volatile u_char
        !            48: 
        !            49: /*
        !            50:  * LANCE registers.
        !            51:  */
        !            52: struct lereg0 {
        !            53:        u_char  ler0_pad0;
        !            54:        vu_char ler0_id;        /* ID */
        !            55:        u_char  ler0_pad1;
        !            56:        vu_char ler0_status;    /* interrupt enable/status */
        !            57: };
        !            58: 
        !            59: struct lereg1 {
        !            60:        u_short ler1_rdp;       /* data port */
        !            61:        u_short ler1_rap;       /* register select port */
        !            62: };
        !            63: 
        !            64: /*
        !            65:  * Overlayed on 16K dual-port RAM.
        !            66:  * Current size is 13,758 bytes with 8 x 1518 receive buffers and
        !            67:  * 1 x 1518 transmit buffer.
        !            68:  */
        !            69: struct lereg2 {
        !            70:        /* init block */
        !            71:        u_short ler2_mode;              /* +0x0000 */
        !            72:        u_char  ler2_padr[6];           /* +0x0002 */
        !            73:        u_long  ler2_ladrf0;            /* +0x0008 */
        !            74:        u_long  ler2_ladrf1;            /* +0x000C */
        !            75:        u_short ler2_rdra;              /* +0x0010 */
        !            76:        u_short ler2_rlen;              /* +0x0012 */
        !            77:        u_short ler2_tdra;              /* +0x0014 */
        !            78:        u_short ler2_tlen;              /* +0x0016 */
        !            79:        /* receive message descriptors */
        !            80:        struct  lermd {                 /* +0x0018 */
        !            81:                u_short rmd0;
        !            82:                u_short rmd1;
        !            83:                short   rmd2;
        !            84:                u_short rmd3;
        !            85:        } ler2_rmd[LERBUF];
        !            86:        /* transmit message descriptors */
        !            87:        struct  letmd {                 /* +0x0058 */
        !            88:                u_short tmd0;
        !            89:                u_short tmd1;
        !            90:                short   tmd2;
        !            91:                u_short tmd3;
        !            92:        } ler2_tmd[LETBUF];
        !            93:        char    ler2_rbuf[LERBUF][LEMTU]; /* +0x0060 */
        !            94:        char    ler2_tbuf[LETBUF][LEMTU]; /* +0x2FD0 */
        !            95: };
        !            96: 
        !            97: /*
        !            98:  * Control and status bits -- lereg0
        !            99:  */
        !           100: #define        LE_IE           0x80            /* interrupt enable */
        !           101: #define        LE_IR           0x40            /* interrupt requested */
        !           102: #define        LE_LOCK         0x08            /* lock status register */
        !           103: #define        LE_ACK          0x04            /* ack of lock */
        !           104: #define        LE_JAB          0x02            /* loss of tx clock (???) */
        !           105: #define LE_IPL(x)      ((((x) >> 4) & 0x3) + 3)
        !           106: 
        !           107: /*
        !           108:  * Control and status bits -- lereg1
        !           109:  */
        !           110: #define        LE_CSR0         0
        !           111: #define        LE_CSR1         1
        !           112: #define        LE_CSR2         2
        !           113: #define        LE_CSR3         3
        !           114: 
        !           115: #define        LE_SERR         0x8000
        !           116: #define        LE_BABL         0x4000
        !           117: #define        LE_CERR         0x2000
        !           118: #define        LE_MISS         0x1000
        !           119: #define        LE_MERR         0x0800
        !           120: #define        LE_RINT         0x0400
        !           121: #define        LE_TINT         0x0200
        !           122: #define        LE_IDON         0x0100
        !           123: #define        LE_INTR         0x0080
        !           124: #define        LE_INEA         0x0040
        !           125: #define        LE_RXON         0x0020
        !           126: #define        LE_TXON         0x0010
        !           127: #define        LE_TDMD         0x0008
        !           128: #define        LE_STOP         0x0004
        !           129: #define        LE_STRT         0x0002
        !           130: #define        LE_INIT         0x0001
        !           131: 
        !           132: #define        LE_BSWP         0x4
        !           133: #define        LE_MODE         0x0
        !           134: 
        !           135: /*
        !           136:  * Control and status bits -- lereg2
        !           137:  */
        !           138: #define        LE_OWN          0x8000
        !           139: #define        LE_ERR          0x4000
        !           140: #define        LE_STP          0x0200
        !           141: #define        LE_ENP          0x0100
        !           142: 
        !           143: #define        LE_FRAM         0x2000
        !           144: #define        LE_OFLO         0x1000
        !           145: #define        LE_CRC          0x0800
        !           146: #define        LE_RBUFF        0x0400
        !           147: #define        LE_MORE         0x1000
        !           148: #define        LE_ONE          0x0800
        !           149: #define        LE_DEF          0x0400
        !           150: #define        LE_TBUFF        0x8000
        !           151: #define        LE_UFLO         0x4000
        !           152: #define        LE_LCOL         0x1000
        !           153: #define        LE_LCAR         0x0800
        !           154: #define        LE_RTRY         0x0400

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