386 lines
13 KiB
C
386 lines
13 KiB
C
/*-
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell and Rick Macklem.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)if_lereg.h 8.1 (Berkeley) 6/10/93
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* $Id: if_lereg.h,v 1.3 1994/05/27 08:58:58 glass Exp $
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*/
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#define LEMTU 1518
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#define LEBLEN 1520 /* LEMTU up to a multiple of 16 */
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#define LEMINSIZE 60 /* should be 64 if mode DTCR is set */
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#define LERBUF 32
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#define LERBUFLOG2 5
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#define LE_RLEN (LERBUFLOG2 << 13)
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#define LETBUF 8
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#define LETBUFLOG2 3
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#define LE_TLEN (LETBUFLOG2 << 13)
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/*
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* LANCE registers.
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*/
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struct lereg1 {
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u_short ler1_rdp; /* data port */
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short pad0;
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u_short ler1_rap; /* register select port */
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short pad1;
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};
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/*
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* This structure is overlayed on the network dual-port RAM.
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* Currently 32 * 1520 receive plus 8 * 1520 transmit buffers plus
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* buffer descriptor rings.
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* There are two variants of the structure, one for the Pmax/3min/maxine
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* with 2 byte pads between entries and one for the 3max and turbochannel
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* option densely packed.
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*/
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struct lermd { /* +0x0020 */
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u_short rmd0;
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u_short rmd1;
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short rmd2;
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u_short rmd3;
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};
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struct letmd { /* +0x0058 */
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u_short tmd0;
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u_short tmd1;
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short tmd2;
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u_short tmd3;
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};
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struct lermdpad { /* +0x0020 */
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u_short rmd0;
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short pad0;
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u_short rmd1;
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short pad1;
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short rmd2;
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short pad2;
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u_short rmd3;
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short pad3;
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};
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struct letmdpad { /* +0x0058 */
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u_short tmd0;
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short pad0;
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u_short tmd1;
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short pad1;
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short tmd2;
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short pad2;
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u_short tmd3;
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short pad3;
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};
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struct lereg2 {
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/* init block */ /* CHIP address */
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u_short ler2_mode; /* +0x0000 */
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u_short ler2_padr0; /* +0x0002 */
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u_short ler2_padr1; /* +0x0004 */
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u_short ler2_padr2; /* +0x0006 */
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u_short ler2_ladrf0; /* +0x0008 */
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u_short ler2_ladrf1; /* +0x000A */
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u_short ler2_ladrf2; /* +0x000C */
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u_short ler2_ladrf3; /* +0x000E */
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u_short ler2_rdra; /* +0x0010 */
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u_short ler2_rlen; /* +0x0012 */
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u_short ler2_tdra; /* +0x0014 */
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u_short ler2_tlen; /* +0x0016 */
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short pad0[4]; /* Pad to 16 shorts */
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/* receive message descriptors */
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struct lermd ler2_rmd[LERBUF];
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/* transmit message descriptors */
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struct letmd ler2_tmd[LETBUF];
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char ler2_rbuf[LERBUF][LEBLEN]; /* +0x0060 */
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char ler2_tbuf[LETBUF][LEBLEN]; /* +0x2FD0 */
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};
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struct lereg2pad {
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/* init block */ /* CHIP address */
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u_short ler2_mode; /* +0x0000 */
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short pad0;
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u_short ler2_padr0; /* +0x0002 */
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short pad1;
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u_short ler2_padr1; /* +0x0004 */
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short pad2;
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u_short ler2_padr2; /* +0x0006 */
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short pad3;
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u_short ler2_ladrf0; /* +0x0008 */
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short pad4;
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u_short ler2_ladrf1; /* +0x000A */
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short pad5;
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u_short ler2_ladrf2; /* +0x000C */
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short pad6;
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u_short ler2_ladrf3; /* +0x000E */
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short pad7;
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u_short ler2_rdra; /* +0x0010 */
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short pad8;
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u_short ler2_rlen; /* +0x0012 */
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short pad9;
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u_short ler2_tdra; /* +0x0014 */
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short pad10;
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u_short ler2_tlen; /* +0x0016 */
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short pad11[9]; /* Pad to 32 shorts */
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/* receive message descriptors */
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struct lermdpad ler2_rmd[LERBUF];
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/* transmit message descriptors */
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struct letmdpad ler2_tmd[LETBUF];
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short ler2_rbuf[LERBUF][LEBLEN]; /* +0x0060 */
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short ler2_tbuf[LETBUF][LEBLEN]; /* +0x2FD0 */
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};
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/*
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* Now for some truly ugly macros to access the structure fields
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* padded/non-padded at runtime. (For once, a Pascal like record variant
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* would be nice to have.)
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*/
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#define LER2_RMDADDR(p, i) \
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(le->sc_ler2pad ? \
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(volatile void *)&(((struct lereg2pad *)(p))->ler2_rmd[(i)]) : \
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(volatile void *)&(((struct lereg2 *)(p))->ler2_rmd[(i)]))
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#define LER2_TMDADDR(p, i) \
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((le->sc_ler2pad ? \
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(volatile void *)&(((struct lereg2pad *)(p))->ler2_tmd[(i)]) : \
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(volatile void *)&(((struct lereg2 *)(p))->ler2_tmd[(i)])))
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#define LER2_RBUFADDR(p, i) \
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((le->sc_ler2pad ? \
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(volatile void *)(((struct lereg2pad *)(p))->ler2_rbuf[(i)]) : \
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(volatile void *)(((struct lereg2 *)(p))->ler2_rbuf[(i)])))
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#define LER2_TBUFADDR(p, i) \
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((le->sc_ler2pad ? \
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(volatile void *)(((struct lereg2pad *)(p))->ler2_tbuf[(i)]) : \
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(volatile void *)(((struct lereg2 *)(p))->ler2_tbuf[(i)])))
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#define LER2_mode(p, v) \
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(le->sc_ler2pad ? (((volatile struct lereg2pad *)(p))->ler2_mode = (v)) : \
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(((volatile struct lereg2 *)(p))->ler2_mode = (v)))
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#define LER2V_mode(p) \
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(le->sc_ler2pad ? ((volatile struct lereg2pad *)(p))->ler2_mode : \
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((volatile struct lereg2 *)(p))->ler2_mode)
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#define LER2_padr0(p, v) \
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(le->sc_ler2pad ? (((volatile struct lereg2pad *)(p))->ler2_padr0 = (v)) : \
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(((volatile struct lereg2 *)(p))->ler2_padr0 = (v)))
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#define LER2V_padr0(p) \
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(le->sc_ler2pad ? ((volatile struct lereg2pad *)(p))->ler2_padr0 : \
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((volatile struct lereg2 *)(p))->ler2_padr0)
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#define LER2_padr1(p, v) \
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(le->sc_ler2pad ? (((volatile struct lereg2pad *)(p))->ler2_padr1 = (v)) : \
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(((volatile struct lereg2 *)(p))->ler2_padr1 = (v)))
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#define LER2V_padr1(p) \
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(le->sc_ler2pad ? ((volatile struct lereg2pad *)(p))->ler2_padr1 : \
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((volatile struct lereg2 *)(p))->ler2_padr1)
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#define LER2_padr2(p, v) \
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(le->sc_ler2pad ? (((volatile struct lereg2pad *)(p))->ler2_padr2 = (v)) : \
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(((volatile struct lereg2 *)(p))->ler2_padr2 = (v)))
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#define LER2V_padr2(p) \
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(le->sc_ler2pad ? ((volatile struct lereg2pad *)(p))->ler2_padr2 : \
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((volatile struct lereg2 *)(p))->ler2_padr2)
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#define LER2_ladrf0(p, v) \
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(le->sc_ler2pad ? (((volatile struct lereg2pad *)(p))->ler2_ladrf0 = (v)) : \
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(((volatile struct lereg2 *)(p))->ler2_ladrf0 = (v)))
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#define LER2V_ladrf0(p) \
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(le->sc_ler2pad ? ((volatile struct lereg2pad *)(p))->ler2_ladrf0 : \
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((volatile struct lereg2 *)(p))->ler2_ladrf0)
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#define LER2_ladrf1(p, v) \
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(le->sc_ler2pad ? (((volatile struct lereg2pad *)(p))->ler2_ladrf1 = (v)) : \
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(((volatile struct lereg2 *)(p))->ler2_ladrf1 = (v)))
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#define LER2V_ladrf1(p) \
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(le->sc_ler2pad ? ((volatile struct lereg2pad *)(p))->ler2_ladrf1 : \
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((volatile struct lereg2 *)(p))->ler2_ladrf1)
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#define LER2_ladrf2(p, v) \
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(le->sc_ler2pad ? (((volatile struct lereg2pad *)(p))->ler2_ladrf2 = (v)) : \
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(((volatile struct lereg2 *)(p))->ler2_ladrf2 = (v)))
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#define LER2V_ladrf2(p) \
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(le->sc_ler2pad ? ((volatile struct lereg2pad *)(p))->ler2_ladrf2 : \
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((volatile struct lereg2 *)(p))->ler2_ladrf2)
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#define LER2_ladrf3(p, v) \
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(le->sc_ler2pad ? (((volatile struct lereg2pad *)(p))->ler2_ladrf3 = (v)) : \
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(((volatile struct lereg2 *)(p))->ler2_ladrf3 = (v)))
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#define LER2V_ladrf3(p) \
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(le->sc_ler2pad ? ((volatile struct lereg2pad *)(p))->ler2_ladrf3 : \
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((volatile struct lereg2 *)(p))->ler2_ladrf3)
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#define LER2_rdra(p, v) \
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(le->sc_ler2pad ? (((volatile struct lereg2pad *)(p))->ler2_rdra = (v)) : \
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(((volatile struct lereg2 *)(p))->ler2_rdra = (v)))
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#define LER2V_rdra(p) \
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(le->sc_ler2pad ? ((volatile struct lereg2pad *)(p))->ler2_rdra : \
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((volatile struct lereg2 *)(p))->ler2_rdra)
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#define LER2_rlen(p, v) \
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(le->sc_ler2pad ? (((volatile struct lereg2pad *)(p))->ler2_rlen = (v)) : \
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(((volatile struct lereg2 *)(p))->ler2_rlen = (v)))
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#define LER2V_rlen(p) \
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(le->sc_ler2pad ? ((volatile struct lereg2pad *)(p))->ler2_rlen : \
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((volatile struct lereg2 *)(p))->ler2_rlen)
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#define LER2_tdra(p, v) \
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(le->sc_ler2pad ? (((volatile struct lereg2pad *)(p))->ler2_tdra = (v)) : \
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(((volatile struct lereg2 *)(p))->ler2_tdra = (v)))
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#define LER2V_tdra(p) \
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(le->sc_ler2pad ? ((volatile struct lereg2pad *)(p))->ler2_tdra : \
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((volatile struct lereg2 *)(p))->ler2_tdra)
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#define LER2_tlen(p, v) \
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(le->sc_ler2pad ? (((volatile struct lereg2pad *)(p))->ler2_tlen = (v)) : \
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(((volatile struct lereg2 *)(p))->ler2_tlen = (v)))
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#define LER2V_tlen(p) \
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(le->sc_ler2pad ? ((volatile struct lereg2pad *)(p))->ler2_tlen : \
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((volatile struct lereg2 *)(p))->ler2_tlen)
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#define LER2_rmd0(p, v) \
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(le->sc_ler2pad ? (((volatile struct lermdpad *)(p))->rmd0 = (v)) : \
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((((volatile struct lermd *)(p))->rmd0 = (v))))
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#define LER2V_rmd0(p) \
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(le->sc_ler2pad ? ((volatile struct lermdpad *)(p))->rmd0 : \
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((volatile struct lermd *)(p))->rmd0)
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#define LER2_rmd1(p, v) \
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(le->sc_ler2pad ? (((volatile struct lermdpad *)(p))->rmd1 = (v)) : \
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(((volatile struct lermd *)(p))->rmd1 = (v)))
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#define LER2V_rmd1(p) \
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(le->sc_ler2pad ? ((volatile struct lermdpad *)(p))->rmd1 : \
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((volatile struct lermd *)(p))->rmd1)
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#define LER2_rmd2(p, v) \
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(le->sc_ler2pad ? (((volatile struct lermdpad *)(p))->rmd2 = (v)) : \
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(((volatile struct lermd *)(p))->rmd2 = (v)))
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#define LER2V_rmd2(p) \
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(le->sc_ler2pad ? ((volatile struct lermdpad *)(p))->rmd2 : \
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((volatile struct lermd *)(p))->rmd2)
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#define LER2_rmd3(p, v) \
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(le->sc_ler2pad ? (((volatile struct lermdpad *)(p))->rmd3 = (v)) : \
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(((volatile struct lermd *)(p))->rmd3 = (v)))
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#define LER2V_rmd3(p) \
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(le->sc_ler2pad ? ((volatile struct lermdpad *)(p))->rmd3 : \
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((volatile struct lermd *)(p))->rmd3)
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#define LER2_tmd0(p, v) \
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(le->sc_ler2pad ? (((volatile struct letmdpad *)(p))->tmd0 = (v)) : \
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(((volatile struct letmd *)(p))->tmd0 = (v)))
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#define LER2V_tmd0(p) \
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(le->sc_ler2pad ? ((volatile struct letmdpad *)(p))->tmd0 : \
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((volatile struct letmd *)(p))->tmd0)
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#define LER2_tmd1(p, v) \
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(le->sc_ler2pad ? (((volatile struct letmdpad *)(p))->tmd1 = (v)) : \
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(((volatile struct letmd *)(p))->tmd1 = (v)))
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#define LER2V_tmd1(p) \
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(le->sc_ler2pad ? ((volatile struct letmdpad *)(p))->tmd1 : \
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((volatile struct letmd *)(p))->tmd1)
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#define LER2_tmd2(p, v) \
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(le->sc_ler2pad ? (((volatile struct letmdpad *)(p))->tmd2 = (v)) : \
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(((volatile struct letmd *)(p))->tmd2 = (v)))
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#define LER2V_tmd2(p) \
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(le->sc_ler2pad ? ((volatile struct letmdpad *)(p))->tmd2 : \
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((volatile struct letmd *)(p))->tmd2)
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#define LER2_tmd3(p, v) \
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(le->sc_ler2pad ? (((volatile struct letmdpad *)(p))->tmd3 = (v)) : \
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(((volatile struct letmd *)(p))->tmd3 = (v)))
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#define LER2V_tmd3(p) \
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(le->sc_ler2pad ? ((volatile struct letmdpad *)(p))->tmd3 : \
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((volatile struct letmd *)(p))->tmd3)
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/*
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* Control and status bits -- lereg0
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*/
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#define LE_IE 0x80 /* interrupt enable */
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#define LE_IR 0x40 /* interrupt requested */
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#define LE_LOCK 0x08 /* lock status register */
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#define LE_ACK 0x04 /* ack of lock */
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#define LE_JAB 0x02 /* loss of tx clock (???) */
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#define LE_IPL(x) ((((x) >> 4) & 0x3) + 3)
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/*
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* Control and status bits -- lereg1
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*/
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#define LE_CSR0 0
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#define LE_CSR1 1
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#define LE_CSR2 2
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#define LE_CSR3 3
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#define LE_SERR 0x8000
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#define LE_BABL 0x4000
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#define LE_CERR 0x2000
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#define LE_MISS 0x1000
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#define LE_MERR 0x0800
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#define LE_RINT 0x0400
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#define LE_TINT 0x0200
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#define LE_IDON 0x0100
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#define LE_INTR 0x0080
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#define LE_INEA 0x0040
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#define LE_RXON 0x0020
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#define LE_TXON 0x0010
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#define LE_TDMD 0x0008
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#define LE_STOP 0x0004
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#define LE_STRT 0x0002
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#define LE_INIT 0x0001
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#define LE_BSWP 0x4
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#define LE_MODE 0x0
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/*
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* Control and status bits -- lereg2
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*/
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#define LE_OWN 0x8000
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#define LE_ERR 0x4000
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#define LE_STP 0x0200
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#define LE_ENP 0x0100
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#define LE_FRAM 0x2000
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#define LE_OFLO 0x1000
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#define LE_CRC 0x0800
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#define LE_RBUFF 0x0400
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#define LE_MORE 0x1000
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#define LE_ONE 0x0800
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#define LE_DEF 0x0400
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#define LE_TBUFF 0x8000
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#define LE_UFLO 0x4000
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#define LE_LCOL 0x1000
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#define LE_LCAR 0x0800
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#define LE_RTRY 0x0400
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