/*      $NetBSD: am79900reg.h,v 1.10 2019/10/11 14:22:46 msaitoh Exp $  */

/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

/*-
* Copyright (c) 1992, 1993
*      The Regents of the University of California.  All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell and Rick Macklem.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*      @(#)if_lereg.h  8.1 (Berkeley) 6/10/93
*/

/*
* Receive message descriptor
*/
struct lermd {
       u_int32_t rmd0;
       u_int32_t rmd1;
       u_int32_t rmd2;
       int32_t rmd3;
};

/*
* Transmit message descriptor
*/
struct letmd {
       u_int32_t tmd0;
       u_int32_t tmd1;
       u_int32_t tmd2;
       int32_t tmd3;
};

/*
* Initialization block
*/
struct leinit {
       u_int32_t init_mode;            /* +0x0000 */
       u_int32_t init_padr[2];         /* +0x0002 */
       u_int16_t init_ladrf[4];        /* +0x0008 */
       u_int32_t init_rdra;            /* +0x0010 */
       u_int32_t init_tdra;            /* +0x0014 */
       int32_t   pad;          /* Pad to 16 shorts */
};

/* Receive message descriptor 1 (rmd1_bits) */
#define LE_R1_OWN       (1U<<31)        /* LANCE owns the packet */
#define LE_R1_ERR       (1<<30)         /* error summary */
#define LE_R1_FRAM      (1<<29)         /* framing error */
#define LE_R1_OFLO      (1<<28)         /* overflow error */
#define LE_R1_CRC       (1<<27)         /* CRC error */
#define LE_R1_BUFF      (1<<26)         /* buffer error */
#define LE_R1_STP       (1<<25)         /* start of packet */
#define LE_R1_ENP       (1<<24)         /* end of packet */
#define LE_R1_ONES      (0xf<<12)       /* must be ones */
#define LE_R1_BCNT_MASK (0xfff)         /* byte count mask */

#define LE_R1_BITS \
   "\20\40OWN\37ERR\36FRAM\35OFLO\34CRC\33BUFF\32STP\31ENP"

/* Transmit message descriptor 1 (tmd1_bits) */
#define LE_T1_OWN       (1U<<31)        /* LANCE owns the packet */
#define LE_T1_ERR       (1<<30)         /* error summary */
#define LE_T1_ADD_FCS   (1<<29)         /* add FCS (PCnet-PCI) */
#define LE_T1_NO_FCS    (1<<29)         /* no FCS (ILACC) */
#define LE_T1_MORE      (1<<28)         /* multiple collisions */
#define LE_T1_LTINT     (1<<28)         /* transmit interrupt (if LTINTEN) */
#define LE_T1_ONE       (1<<27)         /* single collision */
#define LE_T1_DEF       (1<<26)         /* deferred transmit */
#define LE_T1_STP       (1<<25)         /* start of packet */
#define LE_T1_ENP       (1<<24)         /* end of packet */
#define LE_T1_ONES      (0xf<<12)       /* must be ones */
#define LE_T1_BCNT_MASK (0xfff)         /* byte count mask */

#define LE_T1_BITS \
   "\20\40OWN\37ERR\36RES\35MORE\34ONE\33DEF\32STP\31ENP"

/* Transmit message descriptor 3 (tmd3) */
#define LE_T2_BUFF      (1<<31)         /* buffer error */
#define LE_T2_UFLO      (1<<30)         /* underflow error */
#define LE_T2_EXDEF     (1<<29)         /* excessive defferral */
#define LE_T2_LCOL      (1<<28)         /* late collision */
#define LE_T2_LCAR      (1<<27)         /* loss of carrier */
#define LE_T2_RTRY      (1<<26)         /* retry error */
#if 0
#define LE_T3_TDR_MASK  0x03ff          /* time domain reflectometry counter */
#endif

#define LE_T3_BITS \
   "\12\40BUFF\37UFLO\35LCOL\34LCAR\33RTRY"