NetBSD/sys/arch/amiga/dev/if_lereg.h

175 lines
4.9 KiB
C++

/*
* Copyright (c) 1982, 1990 The Regents of the University of California.
* All rights reserved.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* from: @(#)if_lereg.h 7.1 (Berkeley) 5/8/90
* $Id: if_lereg.h,v 1.3 1994/01/26 21:05:53 mw Exp $
*/
#define LEID 21
#define LEMTU 1518
#define LEMINSIZE 60 /* should be 64 if mode DTCR is set */
/* HP seems to have 16K RAM on board, A2065/Ameristar come with 32K.
First try to get a working driver with the HP values, and later
try and see whether 32K works too. */
#define LE_USE_16K
#ifdef LE_USE_16K
#define LERBUF 8
#define LERBUFLOG2 3
#define LETBUF 1
#define LETBUFLOG2 0
#else /* 32K */
#define LERBUF 16
#define LERBUFLOG2 4
#define LETBUF 2
#define LETBUFLOG2 1
#endif
#define LE_RLEN (LERBUFLOG2 << 13)
#define LE_TLEN (LETBUFLOG2 << 13)
#define vu_char volatile u_char
/*
* LANCE registers.
*/
#if 0
/* doesn't exist on amiga, there's autoconfig registers in this area */
struct lereg0 {
u_char ler0_pad0;
vu_char ler0_id; /* ID */
u_char ler0_pad1;
vu_char ler0_status; /* interrupt enable/status */
};
#endif
struct lereg1 {
u_short ler1_rdp; /* data port */
u_short ler1_rap; /* register select port */
};
/*
* Overlayed on 16K dual-port RAM.
* Current size is 13,758 bytes with 8 x 1518 receive buffers and
* 1 x 1518 transmit buffer.
*/
struct lereg2 {
/* init block */
u_short ler2_mode; /* +0x0000 */
u_char ler2_padr[6]; /* +0x0002 */
u_long ler2_ladrf0; /* +0x0008 */
u_long ler2_ladrf1; /* +0x000C */
u_short ler2_rdra; /* +0x0010 */
u_short ler2_rlen; /* +0x0012 */
u_short ler2_tdra; /* +0x0014 */
u_short ler2_tlen; /* +0x0016 */
/* receive message descriptors */
struct lermd { /* +0x0018 */
u_short rmd0;
u_short rmd1;
short rmd2;
u_short rmd3;
} ler2_rmd[LERBUF];
/* transmit message descriptors */
struct letmd { /* +0x0058 */
u_short tmd0;
u_short tmd1;
short tmd2;
u_short tmd3;
} ler2_tmd[LETBUF];
char ler2_rbuf[LERBUF][LEMTU]; /* +0x0060 */
char ler2_tbuf[LETBUF][LEMTU]; /* +0x2FD0 */
};
#if 0
/*
* Control and status bits -- lereg0
*/
#define LE_IE 0x80 /* interrupt enable */
#define LE_IR 0x40 /* interrupt requested */
#define LE_LOCK 0x08 /* lock status register */
#define LE_ACK 0x04 /* ack of lock */
#define LE_JAB 0x02 /* loss of tx clock (???) */
#define LE_IPL(x) ((((x) >> 4) & 0x3) + 3)
#endif
/*
* Control and status bits -- lereg1
*/
#define LE_CSR0 0
#define LE_CSR1 1
#define LE_CSR2 2
#define LE_CSR3 3
#define LE_SERR 0x8000
#define LE_BABL 0x4000
#define LE_CERR 0x2000
#define LE_MISS 0x1000
#define LE_MERR 0x0800
#define LE_RINT 0x0400
#define LE_TINT 0x0200
#define LE_IDON 0x0100
#define LE_INTR 0x0080
#define LE_INEA 0x0040
#define LE_RXON 0x0020
#define LE_TXON 0x0010
#define LE_TDMD 0x0008
#define LE_STOP 0x0004
#define LE_STRT 0x0002
#define LE_INIT 0x0001
#define LE_BSWP 0x4
#define LE_MODE 0x0
/*
* Control and status bits -- lereg2
*/
#define LE_OWN 0x8000
#define LE_ERR 0x4000
#define LE_STP 0x0200
#define LE_ENP 0x0100
#define LE_FRAM 0x2000
#define LE_OFLO 0x1000
#define LE_CRC 0x0800
#define LE_RBUFF 0x0400
#define LE_MORE 0x1000
#define LE_ONE 0x0800
#define LE_DEF 0x0400
#define LE_TBUFF 0x8000
#define LE_UFLO 0x4000
#define LE_LCOL 0x1000
#define LE_LCAR 0x0800
#define LE_RTRY 0x0400