Annotation of sys/dev/tc/if_le_tc.c, Revision 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: }
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