/*      $NetBSD: am7990reg.h,v 1.13 2008/04/28 20:23:49 martin 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_int16_t rmd0;
#if BYTE_ORDER == BIG_ENDIAN
       u_int8_t  rmd1_bits;
       u_int8_t  rmd1_hadr;
#else
       u_int8_t  rmd1_hadr;
       u_int8_t  rmd1_bits;
#endif
       int16_t   rmd2;
       u_int16_t rmd3;
} __packed;

/*
* Transmit message descriptor
*/
struct letmd {
       u_int16_t tmd0;
#if BYTE_ORDER == BIG_ENDIAN
       u_int8_t  tmd1_bits;
       u_int8_t  tmd1_hadr;
#else
       u_int8_t  tmd1_hadr;
       u_int8_t  tmd1_bits;
#endif
       int16_t   tmd2;
       u_int16_t tmd3;
} __packed;

/*
* Initialization block
*/
struct leinit {
       u_int16_t init_mode;            /* +0x0000 */
       u_int16_t init_padr[3];         /* +0x0002 */
       u_int16_t init_ladrf[4];        /* +0x0008 */
       u_int16_t init_rdra;            /* +0x0010 */
       u_int16_t init_rlen;            /* +0x0012 */
       u_int16_t init_tdra;            /* +0x0014 */
       u_int16_t init_tlen;            /* +0x0016 */
       int16_t   pad0[4];              /* Pad to 16 shorts */
} __packed;

/* Receive message descriptor 1 (rmd1_bits) */
#define LE_R1_OWN       0x80            /* LANCE owns the packet */
#define LE_R1_ERR       0x40            /* error summary */
#define LE_R1_FRAM      0x20            /* framing error */
#define LE_R1_OFLO      0x10            /* overflow error */
#define LE_R1_CRC       0x08            /* CRC error */
#define LE_R1_BUFF      0x04            /* buffer error */
#define LE_R1_STP       0x02            /* start of packet */
#define LE_R1_ENP       0x01            /* end of packet */

#define LE_R1_BITS \
   "\20\10OWN\7ERR\6FRAM\5OFLO\4CRC\3BUFF\2STP\1ENP"

/* Transmit message descriptor 1 (tmd1_bits) */
#define LE_T1_OWN       0x80            /* LANCE owns the packet */
#define LE_T1_ERR       0x40            /* error summary */
#define LE_T1_MORE      0x10            /* multiple collisions */
#define LE_T1_ONE       0x08            /* single collision */
#define LE_T1_DEF       0x04            /* deferred transmit */
#define LE_T1_STP       0x02            /* start of packet */
#define LE_T1_ENP       0x01            /* end of packet */

#define LE_T1_BITS \
   "\20\10OWN\7ERR\6RES\5MORE\4ONE\3DEF\2STP\1ENP"

/* Transmit message descriptor 3 (tmd3) */
#define LE_T3_BUFF      0x8000          /* buffer error */
#define LE_T3_UFLO      0x4000          /* underflow error */
#define LE_T3_LCOL      0x1000          /* late collision */
#define LE_T3_LCAR      0x0800          /* loss of carrier */
#define LE_T3_RTRY      0x0400          /* retry error */
#define LE_T3_TDR_MASK  0x03ff          /* time domain reflectometry counter */

#define LE_XMD2_ONES    0xf000

#define LE_T3_BITS \
   "\20\20BUFF\17UFLO\16RES\15LCOL\14LCAR\13RTRY"

/*
* PCnet-ISA defines which are not available on LANCE 7990
*/

/* (ISA) Bus Configuration Registers */
#define LE_BCR_MSRDA    0x0000
#define LE_BCR_MSWRA    0x0001
#define LE_BCR_MC       0x0002
#define LE_BCR_LED1     0x0005
#define LE_BCR_LED2     0x0006
#define LE_BCR_LED3     0x0007

/* Bus configurations bits (MC) */
#define LE_MC_EADISEL   0x0008          /* EADI selection */
#define LE_MC_AWAKE     0x0004          /* auto-wake */
#define LE_MC_ASEL      0x0002          /* auto selection */
#define LE_MC_XMAUSEL   0x0001          /* external MAU selection */

/* LED bis (LED[123]) */
#define LE_LED_LEDOUT   0x8000
#define LE_LED_PSE      0x0080
#define LE_LED_XMTE     0x0010
#define LE_LED_PVPE     0x0008
#define LE_LED_PCVE     0x0004
#define LE_LED_JABE     0x0002
#define LE_LED_COLE     0x0001

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