freebsd-dev/sys/alpha/tc/am7990var.h

209 lines
8.0 KiB
C
Raw Normal View History

1999-08-28 01:08:13 +00:00
/* $FreeBSD$ */
/* $NetBSD: am7990var.h,v 1.18 1998/01/12 09:23:16 thorpej Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 1995 Charles M. Hannum. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Charles M. Hannum.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef DDB
#define integrate
#define hide
#else
#define integrate static __inline
#define hide static
#endif
/*
* Ethernet software status per device.
*
* Each interface is referenced by a network interface structure,
* ethercom.ec_if, which the routing code uses to locate the interface.
* This structure contains the output queue for the interface, its address, ...
*
* NOTE: this structure MUST be the first element in machine-dependent
* le_softc structures! This is designed SPECIFICALLY to make it possible
* to simply cast a "void *" to "struct le_softc *" or to
* "struct am7990_softc *". Among other things, this saves a lot of hair
* in the interrupt handlers.
*/
struct am7990_softc {
device_t sc_dev; /* base device glue */
struct arpcom sc_ethercom; /* Ethernet common part */
struct ifmedia sc_media; /* our supported media */
/*
* Memory functions:
*
* copy to/from descriptor
* copy to/from buffer
* zero bytes in buffer
*/
void (*sc_copytodesc)
__P((struct am7990_softc *, void *, int, int));
void (*sc_copyfromdesc)
__P((struct am7990_softc *, void *, int, int));
void (*sc_copytobuf)
__P((struct am7990_softc *, void *, int, int));
void (*sc_copyfrombuf)
__P((struct am7990_softc *, void *, int, int));
void (*sc_zerobuf)
__P((struct am7990_softc *, int, int));
/*
* Machine-dependent functions:
*
* read/write CSR
* hardware reset hook - may be NULL
* hardware init hook - may be NULL
* no carrier hook - may be NULL
* media change hook - may be NULL
*/
u_int16_t (*sc_rdcsr)
__P((struct am7990_softc *, u_int16_t));
void (*sc_wrcsr)
__P((struct am7990_softc *, u_int16_t, u_int16_t));
void (*sc_hwreset) __P((struct am7990_softc *));
void (*sc_hwinit) __P((struct am7990_softc *));
void (*sc_nocarrier) __P((struct am7990_softc *));
int (*sc_mediachange) __P((struct am7990_softc *));
void (*sc_mediastatus) __P((struct am7990_softc *,
struct ifmediareq *));
/*
* Media-supported by this interface. If this is NULL,
* the only supported media is assumed to be "manual".
*/
int *sc_supmedia;
int sc_nsupmedia;
int sc_defaultmedia;
/* PCnet bit to use software selection of a port */
int sc_initmodemedia;
int sc_havecarrier; /* carrier status */
void *sc_sh; /* shutdownhook cookie */
u_int16_t sc_conf3; /* CSR3 value */
u_int16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */
void *sc_mem; /* base address of RAM -- CPU's view */
u_long sc_addr; /* base address of RAM -- LANCE's view */
u_long sc_memsize; /* size of RAM */
int sc_nrbuf; /* number of receive buffers */
int sc_ntbuf; /* number of transmit buffers */
int sc_last_rd;
int sc_first_td, sc_last_td, sc_no_td;
int sc_initaddr;
int sc_rmdaddr;
int sc_tmdaddr;
int *sc_rbufaddr;
int *sc_tbufaddr;
#ifdef LEDEBUG
int sc_debug;
#endif
u_int8_t sc_enaddr[6];
u_int8_t sc_pad[2];
int unit;
#if NRND > 0
rndsource_element_t rnd_source;
#endif
};
void am7990_config __P((struct am7990_softc *));
void am7990_init __P((struct am7990_softc *));
int am7990_ioctl __P((struct ifnet *, u_long, caddr_t));
void am7990_meminit __P((struct am7990_softc *));
void am7990_reset __P((struct am7990_softc *));
void am7990_setladrf __P((struct arpcom *, u_int16_t *));
void am7990_start __P((struct ifnet *));
void am7990_stop __P((struct am7990_softc *));
void am7990_watchdog __P((struct ifnet *));
void am7990_intr __P((void *));
/*
* The following functions are only useful on certain cpu/bus
* combinations. They should be written in assembly language for
* maximum efficiency, but machine-independent versions are provided
* for drivers that have not yet been optimized.
*/
void am7990_copytobuf_contig __P((struct am7990_softc *, void *, int, int));
void am7990_copyfrombuf_contig __P((struct am7990_softc *, void *, int, int));
void am7990_zerobuf_contig __P((struct am7990_softc *, int, int));
#if 0 /* Example only - see am7990.c */
void am7990_copytobuf_gap2 __P((struct am7990_softc *, void *, int, int));
void am7990_copyfrombuf_gap2 __P((struct am7990_softc *, void *, int, int));
void am7990_zerobuf_gap2 __P((struct am7990_softc *, int, int));
void am7990_copytobuf_gap16 __P((struct am7990_softc *, void *, int, int));
void am7990_copyfrombuf_gap16 __P((struct am7990_softc *, void *, int, int));
void am7990_zerobuf_gap16 __P((struct am7990_softc *, int, int));
#endif /* Example only */