Annotation of sys/dev/isa/if_le.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_le.c,v 1.18 2007/06/17 21:20:47 jasper Exp $ */
! 2: /* $NetBSD: if_le_isa.c,v 1.2 1996/05/12 23:52:56 mycroft Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1995 Charles M. Hannum. All rights reserved.
! 6: * Copyright (c) 1992, 1993
! 7: * The Regents of the University of California. All rights reserved.
! 8: *
! 9: * This code is derived from software contributed to Berkeley by
! 10: * Ralph Campbell and Rick Macklem.
! 11: *
! 12: * Redistribution and use in source and binary forms, with or without
! 13: * modification, are permitted provided that the following conditions
! 14: * are met:
! 15: * 1. Redistributions of source code must retain the above copyright
! 16: * notice, this list of conditions and the following disclaimer.
! 17: * 2. Redistributions in binary form must reproduce the above copyright
! 18: * notice, this list of conditions and the following disclaimer in the
! 19: * documentation and/or other materials provided with the distribution.
! 20: * 3. Neither the name of the University nor the names of its contributors
! 21: * may be used to endorse or promote products derived from this software
! 22: * without specific prior written permission.
! 23: *
! 24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 34: * SUCH DAMAGE.
! 35: *
! 36: * @(#)if_le.c 8.2 (Berkeley) 11/16/93
! 37: */
! 38:
! 39: #include "bpfilter.h"
! 40: #include "isadma.h"
! 41:
! 42: #include <sys/param.h>
! 43: #include <sys/systm.h>
! 44: #include <sys/mbuf.h>
! 45: #include <sys/syslog.h>
! 46: #include <sys/socket.h>
! 47: #include <sys/device.h>
! 48:
! 49: #include <net/if.h>
! 50: #include <net/if_media.h>
! 51:
! 52: #ifdef INET
! 53: #include <netinet/in.h>
! 54: #include <netinet/if_ether.h>
! 55: #endif
! 56:
! 57: #include <machine/cpu.h>
! 58: #include <machine/intr.h>
! 59:
! 60: #include <dev/isa/isareg.h>
! 61: #include <dev/isa/isavar.h>
! 62: #include <dev/isa/isadmavar.h>
! 63:
! 64: #include <dev/ic/am7990reg.h>
! 65: #include <dev/ic/am7990var.h>
! 66:
! 67: #include <dev/isa/if_levar.h>
! 68:
! 69: void
! 70: le_isa_wrcsr(struct am7990_softc *sc, u_int16_t port, u_int16_t val)
! 71: {
! 72: struct le_softc *lesc = (struct le_softc *)sc;
! 73: bus_space_tag_t iot = lesc->sc_iot;
! 74: bus_space_handle_t ioh = lesc->sc_ioh;
! 75:
! 76: bus_space_write_2(iot, ioh, lesc->sc_rap, port);
! 77: bus_space_write_2(iot, ioh, lesc->sc_rdp, val);
! 78: }
! 79:
! 80: u_int16_t
! 81: le_isa_rdcsr(struct am7990_softc *sc, u_int16_t port)
! 82: {
! 83: struct le_softc *lesc = (struct le_softc *)sc;
! 84: bus_space_tag_t iot = lesc->sc_iot;
! 85: bus_space_handle_t ioh = lesc->sc_ioh;
! 86: u_int16_t val;
! 87:
! 88: bus_space_write_2(iot, ioh, lesc->sc_rap, port);
! 89: val = bus_space_read_2(iot, ioh, lesc->sc_rdp);
! 90: return (val);
! 91: }
! 92:
! 93:
! 94: /*
! 95: * Controller interrupt.
! 96: */
! 97: int
! 98: le_isa_intredge(void *arg)
! 99: {
! 100:
! 101: if (am7990_intr(arg) == 0)
! 102: return (0);
! 103: for (;;)
! 104: if (am7990_intr(arg) == 0)
! 105: return (1);
! 106: }
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