diff options
Diffstat (limited to 'sys/arch/amiga/dev/if_aereg.h')
| -rw-r--r-- | sys/arch/amiga/dev/if_aereg.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/sys/arch/amiga/dev/if_aereg.h b/sys/arch/amiga/dev/if_aereg.h new file mode 100644 index 00000000000..54df9525422 --- /dev/null +++ b/sys/arch/amiga/dev/if_aereg.h @@ -0,0 +1,156 @@ +/* $OpenBSD: if_aereg.h,v 1.4 1998/01/07 00:33:46 niklas Exp $ */ +/* $NetBSD: if_aereg.h,v 1.2 1995/08/18 15:53:32 chopps Exp $ */ + +/* + * Copyright (c) 1995 Bernd Ernesti and Klaus Burkert. 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Bernd Ernesti, by Klaus + * Burkert, by Michael van Elst, and 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. + * + * @(#)if_lereg.h 8.1 (Berkeley) 6/10/93 + * + * This is based on the original LANCE files, as the PCnet-ISA used on + * the Ariadne is a LANCE-descendant optimized for the PC-ISA bus. + * This causes some modifications, all data that is to go into registers + * or to structures (buffer-descriptors, init-block) has to be + * byte-swapped. In addition ALL write accesses to the board have to be + * WORD or LONG, BYTE-access is prohibited!! + */ + +#define ETHER_MAX_LEN 1518 +#define ETHER_MIN_LEN 64 + +#define AERBUF 16 /* 16 receive buffers */ +#define AERBUFLOG2 4 +#define AETBUF 4 /* 4 transmit buffers */ +#define AETBUFLOG2 2 + +#define AE_RLEN (AERBUFLOG2 << 13) +#define AE_TLEN (AETBUFLOG2 << 13) + +/* + * PCnet-ISA registers. + */ + +struct aereg1 { + u_int16_t aer1_rdp; /* data port */ + u_int16_t aer1_rap; /* register select port */ + u_int16_t aer1_reset; /* reading this resets the PCnet-ISA */ + u_int16_t aer1_idp; /* isa configuration port */ +}; + +struct aereg2 { + /* init block */ + u_int16_t aer2_mode; /* +0x0000 */ + u_int16_t aer2_padr[3]; /* +0x0002 */ + u_int16_t aer2_ladrf[4]; /* +0x0008 */ + u_int16_t aer2_rdra; /* +0x0010 */ + u_int16_t aer2_rlen; /* +0x0012 */ + u_int16_t aer2_tdra; /* +0x0014 */ + u_int16_t aer2_tlen; /* +0x0016 */ + /* receive message descriptors */ + struct aermd { /* +0x0018 */ + u_int16_t rmd0; + u_int16_t rmd1; + int16_t rmd2; + u_int16_t rmd3; + } aer2_rmd[AERBUF]; + /* transmit message descriptors */ + struct aetmd { /* +0x0058 */ + u_int16_t tmd0; + u_int16_t tmd1; + int16_t tmd2; + u_int16_t tmd3; + } aer2_tmd[AETBUF]; + char aer2_rbuf[AERBUF][ETHER_MAX_LEN]; /* +0x0060 */ + char aer2_tbuf[AETBUF][ETHER_MAX_LEN]; /* +0x2FD0 */ +}; + + +/* + * Control and status bits -- aereg1 + */ +#define AE_CSR0 0x0000 /* Control and status register */ +#define AE_CSR1 0x0100 /* low address of init block */ +#define AE_CSR2 0x0200 /* high address of init block */ +#define AE_CSR3 0x0300 /* Bus master and control */ + +/* Control and status register 0 (csr0) */ +#define AE_SERR 0x0080 /* error summary */ +#define AE_BABL 0x0040 /* transmitter timeout error */ +#define AE_CERR 0x0020 /* collision */ +#define AE_MISS 0x0010 /* missed a packet */ +#define AE_MERR 0x0008 /* memory error */ +#define AE_RINT 0x0004 /* receiver interrupt */ +#define AE_TINT 0x0002 /* transmitter interrupt */ +#define AE_IDON 0x0001 /* initalization done */ +#define AE_INTR 0x8000 /* interrupt condition */ +#define AE_INEA 0x4000 /* interrupt enable */ +#define AE_RXON 0x2000 /* receiver on */ +#define AE_TXON 0x1000 /* transmitter on */ +#define AE_TDMD 0x0800 /* transmit demand */ +#define AE_STOP 0x0400 /* disable all external activity */ +#define AE_STRT 0x0200 /* enable external activity */ +#define AE_INIT 0x0100 /* begin initalization */ + +#define AE_PROM 0x0080 /* promiscuous mode */ +#define AE_MODE 0x0000 + +/* + * Control and status bits -- aereg2 + */ +#define AE_OWN 0x0080 /* LANCE owns the packet */ +#define AE_ERR 0x0040 /* error summary */ +#define AE_STP 0x0002 /* start of packet */ +#define AE_ENP 0x0001 /* end of packet */ + +#define AE_MORE 0x0010 /* multiple collisions */ +#define AE_ONE 0x0008 /* single collision */ +#define AE_DEF 0x0004 /* defferred transmit */ + +#define AE_FRAM 0x0020 /* framing error */ +#define AE_OFLO 0x0010 /* overflow error */ +#define AE_CRC 0x0008 /* CRC error */ +#define AE_RBUFF 0x0004 /* buffer error */ + +/* Transmit message descriptor 3 (tmd3) */ +#define AE_TBUFF 0x0080 /* buffer error */ +#define AE_UFLO 0x0040 /* underflow error */ +#define AE_LCOL 0x0010 /* late collision */ +#define AE_LCAR 0x0008 /* loss of carrier */ +#define AE_RTRY 0x0004 /* retry error */ +#define AE_TDR_MASK 0xff03 /* time domain reflectometry counter */ + +#define SWAP(x) swap16(x) + |