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/* $OpenBSD: am7990reg.h,v 1.6 2003/10/21 18:58:48 jmc Exp $ */
/* $NetBSD: am7990reg.h,v 1.1 1995/04/11 04:17:50 mycroft Exp $ */
/*-
* Copyright (c) 1995 Charles M. Hannum. All rights reserved.
* 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
*/
/*
* Documentation for this chip can be found on AMD's website:
* http://www.amd.com/products/npd/techdocs/techdocs.html
*/
#define LEBLEN 1536 /* ETHERMTU + header + CRC */
#define LEMINSIZE 60 /* should be 64 if mode DTCR is set */
/*
* 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;
};
/*
* 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;
};
/*
* 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 */
};
#define LE_INITADDR(sc) (sc->sc_initaddr)
#define LE_RMDADDR(sc, bix) (sc->sc_rmdaddr + sizeof(struct lermd) * (bix))
#define LE_TMDADDR(sc, bix) (sc->sc_tmdaddr + sizeof(struct letmd) * (bix))
#define LE_RBUFADDR(sc, bix) (sc->sc_rbufaddr + LEBLEN * (bix))
#define LE_TBUFADDR(sc, bix) (sc->sc_tbufaddr + LEBLEN * (bix))
/* register addresses */
#define LE_CSR0 0x0000 /* Control and status register */
#define LE_CSR1 0x0001 /* low address of init block */
#define LE_CSR2 0x0002 /* high address of init block */
#define LE_CSR3 0x0003 /* Bus master and control */
/* Control and status register 0 (csr0) */
#define LE_C0_ERR 0x8000 /* error summary */
#define LE_C0_BABL 0x4000 /* transmitter timeout error */
#define LE_C0_CERR 0x2000 /* collision */
#define LE_C0_MISS 0x1000 /* missed a packet */
#define LE_C0_MERR 0x0800 /* memory error */
#define LE_C0_RINT 0x0400 /* receiver interrupt */
#define LE_C0_TINT 0x0200 /* transmitter interrupt */
#define LE_C0_IDON 0x0100 /* initialization done */
#define LE_C0_INTR 0x0080 /* interrupt condition */
#define LE_C0_INEA 0x0040 /* interrupt enable */
#define LE_C0_RXON 0x0020 /* receiver on */
#define LE_C0_TXON 0x0010 /* transmitter on */
#define LE_C0_TDMD 0x0008 /* transmit demand */
#define LE_C0_STOP 0x0004 /* disable all external activity */
#define LE_C0_STRT 0x0002 /* enable external activity */
#define LE_C0_INIT 0x0001 /* begin initialization */
#define LE_C0_BITS \
"\20\20ERR\17BABL\16CERR\15MISS\14MERR\13RINT\
\12TINT\11IDON\10INTR\07INEA\06RXON\05TXON\04TDMD\03STOP\02STRT\01INIT"
/* Control and status register 3 (csr3) */
#define LE_C3_BSWP 0x0004 /* byte swap */
#define LE_C3_ACON 0x0002 /* ALE control, eh? */
#define LE_C3_BCON 0x0001 /* byte control */
/* Initialization block (mode) */
#define LE_MODE_PROM 0x8000 /* promiscuous mode */
/* 0x7f80 reserved, must be zero */
#define LE_MODE_INTL 0x0040 /* internal loopback */
#define LE_MODE_DRTY 0x0020 /* disable retry */
#define LE_MODE_COLL 0x0010 /* force a collision */
#define LE_MODE_DTCR 0x0008 /* disable transmit CRC */
#define LE_MODE_LOOP 0x0004 /* loopback mode */
#define LE_MODE_DTX 0x0002 /* disable transmitter */
#define LE_MODE_DRX 0x0001 /* disable receiver */
#define LE_MODE_NORMAL 0 /* none of the above */
/* 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"
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