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Annotation of sys/dev/tc/if_le_tc.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: if_le_tc.c,v 1.8 2007/06/17 21:20:47 jasper Exp $     */
                      2: /*     $NetBSD: if_le_tc.c,v 1.12 2001/11/13 06:26:10 lukem Exp $      */
                      3:
                      4: /*
                      5:  * Copyright (c) 1996 Carnegie-Mellon University.
                      6:  * All rights reserved.
                      7:  *
                      8:  * Author: Chris G. Demetriou
                      9:  *
                     10:  * Permission to use, copy, modify and distribute this software and
                     11:  * its documentation is hereby granted, provided that both the copyright
                     12:  * notice and this permission notice appear in all copies of the
                     13:  * software, derivative works or modified versions, and any portions
                     14:  * thereof, and that both notices appear in supporting documentation.
                     15:  *
                     16:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
                     17:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
                     18:  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     19:  *
                     20:  * Carnegie Mellon requests users of this software to return to
                     21:  *
                     22:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
                     23:  *  School of Computer Science
                     24:  *  Carnegie Mellon University
                     25:  *  Pittsburgh PA 15213-3890
                     26:  *
                     27:  * any improvements or extensions that they make and grant Carnegie the
                     28:  * rights to redistribute these changes.
                     29:  */
                     30:
                     31: /*
                     32:  * LANCE on TurboChannel.
                     33:  */
                     34:
                     35: #include <sys/param.h>
                     36: #include <sys/systm.h>
                     37: #include <sys/mbuf.h>
                     38: #include <sys/syslog.h>
                     39: #include <sys/socket.h>
                     40: #include <sys/device.h>
                     41:
                     42: #include <net/if.h>
                     43: #include <net/if_media.h>
                     44:
                     45: #ifdef INET
                     46: #include <netinet/in.h>
                     47: #include <netinet/if_ether.h>
                     48: #endif
                     49:
                     50: #include <dev/ic/am7990reg.h>
                     51: #include <dev/ic/am7990var.h>
                     52:
                     53: #include <dev/tc/if_levar.h>
                     54: #include <dev/tc/tcvar.h>
                     55:
                     56: int    le_tc_match(struct device *, void *, void *);
                     57: void   le_tc_attach(struct device *, struct device *, void *);
                     58:
                     59: struct cfattach le_tc_ca = {
                     60:        sizeof(struct le_softc), le_tc_match, le_tc_attach
                     61: };
                     62:
                     63: #define        LE_OFFSET_RAM           0x0
                     64: #define        LE_OFFSET_LANCE         0x100000
                     65: #define        LE_OFFSET_ROM           0x1c0000
                     66:
                     67: int
                     68: le_tc_match(struct device *parent, void *match, void *aux)
                     69: {
                     70:        struct tc_attach_args *d = aux;
                     71:
                     72:        if (strncmp("PMAD-AA ", d->ta_modname, TC_ROM_LLEN) != 0)
                     73:                return (0);
                     74:
                     75:        return (1);
                     76: }
                     77:
                     78: void
                     79: le_tc_attach(struct device *parent, struct device *self, void *aux)
                     80: {
                     81:        struct le_softc *lesc = (void *)self;
                     82:        struct am7990_softc *sc = &lesc->sc_am7990;
                     83:        struct tc_attach_args *d = aux;
                     84:
                     85:        /*
                     86:         * It's on the turbochannel proper, or a kn02
                     87:         * baseboard implementation of a TC option card.
                     88:         */
                     89:        lesc->sc_r1 = (struct lereg1 *)
                     90:            TC_DENSE_TO_SPARSE(TC_PHYS_TO_UNCACHED(d->ta_addr + LE_OFFSET_LANCE));
                     91:        sc->sc_mem = (void *)(d->ta_addr + LE_OFFSET_RAM);
                     92:
                     93:        sc->sc_copytodesc = am7990_copytobuf_contig;
                     94:        sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
                     95:        sc->sc_copytobuf = am7990_copytobuf_contig;
                     96:        sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
                     97:        sc->sc_zerobuf = am7990_zerobuf_contig;
                     98:
                     99:        /*
                    100:         * TC lance boards have onboard SRAM buffers.  DMA
                    101:         * between the onbard RAM and main memory is not possible,
                    102:         * so  DMA setup is not required.
                    103:         */
                    104:
                    105:        dec_le_common_attach(&lesc->sc_am7990,
                    106:                             (u_char *)(d->ta_addr + LE_OFFSET_ROM + 2));
                    107:
                    108:        tc_intr_establish(parent, d->ta_cookie, TC_IPL_NET, am7990_intr, sc);
                    109: }