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209 lines
8.0 KiB
C
209 lines
8.0 KiB
C
/* $Id$ */
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/* $NetBSD: am7990var.h,v 1.18 1998/01/12 09:23:16 thorpej Exp $ */
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/*-
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* Copyright (c) 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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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 NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1995 Charles M. Hannum. All rights reserved.
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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 Charles M. Hannum.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef DDB
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#define integrate
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#define hide
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#else
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#define integrate static __inline
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#define hide static
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#endif
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/*
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* Ethernet software status per device.
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*
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* Each interface is referenced by a network interface structure,
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* ethercom.ec_if, which the routing code uses to locate the interface.
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* This structure contains the output queue for the interface, its address, ...
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*
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* NOTE: this structure MUST be the first element in machine-dependent
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* le_softc structures! This is designed SPECIFICALLY to make it possible
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* to simply cast a "void *" to "struct le_softc *" or to
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* "struct am7990_softc *". Among other things, this saves a lot of hair
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* in the interrupt handlers.
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*/
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struct am7990_softc {
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struct device sc_dev; /* base device glue */
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struct arpcom sc_ethercom; /* Ethernet common part */
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struct ifmedia sc_media; /* our supported media */
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/*
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* Memory functions:
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*
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* copy to/from descriptor
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* copy to/from buffer
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* zero bytes in buffer
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*/
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void (*sc_copytodesc)
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__P((struct am7990_softc *, void *, int, int));
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void (*sc_copyfromdesc)
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__P((struct am7990_softc *, void *, int, int));
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void (*sc_copytobuf)
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__P((struct am7990_softc *, void *, int, int));
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void (*sc_copyfrombuf)
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__P((struct am7990_softc *, void *, int, int));
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void (*sc_zerobuf)
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__P((struct am7990_softc *, int, int));
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/*
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* Machine-dependent functions:
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*
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* read/write CSR
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* hardware reset hook - may be NULL
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* hardware init hook - may be NULL
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* no carrier hook - may be NULL
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* media change hook - may be NULL
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*/
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u_int16_t (*sc_rdcsr)
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__P((struct am7990_softc *, u_int16_t));
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void (*sc_wrcsr)
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__P((struct am7990_softc *, u_int16_t, u_int16_t));
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void (*sc_hwreset) __P((struct am7990_softc *));
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void (*sc_hwinit) __P((struct am7990_softc *));
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void (*sc_nocarrier) __P((struct am7990_softc *));
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int (*sc_mediachange) __P((struct am7990_softc *));
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void (*sc_mediastatus) __P((struct am7990_softc *,
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struct ifmediareq *));
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/*
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* Media-supported by this interface. If this is NULL,
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* the only supported media is assumed to be "manual".
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*/
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int *sc_supmedia;
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int sc_nsupmedia;
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int sc_defaultmedia;
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/* PCnet bit to use software selection of a port */
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int sc_initmodemedia;
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int sc_havecarrier; /* carrier status */
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void *sc_sh; /* shutdownhook cookie */
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u_int16_t sc_conf3; /* CSR3 value */
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u_int16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */
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void *sc_mem; /* base address of RAM -- CPU's view */
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u_long sc_addr; /* base address of RAM -- LANCE's view */
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u_long sc_memsize; /* size of RAM */
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int sc_nrbuf; /* number of receive buffers */
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int sc_ntbuf; /* number of transmit buffers */
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int sc_last_rd;
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int sc_first_td, sc_last_td, sc_no_td;
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int sc_initaddr;
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int sc_rmdaddr;
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int sc_tmdaddr;
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int *sc_rbufaddr;
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int *sc_tbufaddr;
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#ifdef LEDEBUG
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int sc_debug;
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#endif
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u_int8_t sc_enaddr[6];
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u_int8_t sc_pad[2];
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int unit;
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#if NRND > 0
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rndsource_element_t rnd_source;
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#endif
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};
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void am7990_config __P((struct am7990_softc *));
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void am7990_init __P((struct am7990_softc *));
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int am7990_ioctl __P((struct ifnet *, u_long, caddr_t));
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void am7990_meminit __P((struct am7990_softc *));
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void am7990_reset __P((struct am7990_softc *));
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void am7990_setladrf __P((struct arpcom *, u_int16_t *));
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void am7990_start __P((struct ifnet *));
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void am7990_stop __P((struct am7990_softc *));
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void am7990_watchdog __P((struct ifnet *));
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void am7990_intr __P((void *));
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/*
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* The following functions are only useful on certain cpu/bus
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* combinations. They should be written in assembly language for
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* maximum efficiency, but machine-independent versions are provided
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* for drivers that have not yet been optimized.
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*/
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void am7990_copytobuf_contig __P((struct am7990_softc *, void *, int, int));
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void am7990_copyfrombuf_contig __P((struct am7990_softc *, void *, int, int));
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void am7990_zerobuf_contig __P((struct am7990_softc *, int, int));
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#if 0 /* Example only - see am7990.c */
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void am7990_copytobuf_gap2 __P((struct am7990_softc *, void *, int, int));
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void am7990_copyfrombuf_gap2 __P((struct am7990_softc *, void *, int, int));
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void am7990_zerobuf_gap2 __P((struct am7990_softc *, int, int));
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void am7990_copytobuf_gap16 __P((struct am7990_softc *, void *, int, int));
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void am7990_copyfrombuf_gap16 __P((struct am7990_softc *, void *, int, int));
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void am7990_zerobuf_gap16 __P((struct am7990_softc *, int, int));
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#endif /* Example only */
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