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/* $OpenBSD: lancevar.h,v 1.1 2013/09/24 20:10:58 miod Exp $ */
/* $NetBSD: lancevar.h,v 1.15 2012/02/02 19:43:03 tls Exp $ */
/*-
* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum and 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.
*
* 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.
*/
struct lance_softc {
struct device sc_dev; /* base device glue */
struct arpcom sc_arpcom; /* Ethernet common part */
struct ifmedia sc_ifmedia; /* our supported media */
/*
* Memory functions:
*
* copy to/from descriptor
* copy to/from buffer
* zero bytes in buffer
*/
void (*sc_copytodesc)(struct lance_softc *, void *, int, int);
void (*sc_copyfromdesc)(struct lance_softc *, void *, int, int);
void (*sc_copytobuf)(struct lance_softc *, void *, int, int);
void (*sc_copyfrombuf)(struct lance_softc *, void *, int, int);
void (*sc_zerobuf)(struct lance_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
*/
uint16_t (*sc_rdcsr)(struct lance_softc *, uint16_t);
void (*sc_wrcsr)(struct lance_softc *, uint16_t, uint16_t);
void (*sc_hwreset)(struct lance_softc *);
void (*sc_hwinit)(struct lance_softc *);
void (*sc_nocarrier)(struct lance_softc *);
int (*sc_mediachange)(struct lance_softc *);
void (*sc_mediastatus)(struct lance_softc *, struct ifmediareq *);
/*
* Media-supported by this interface. If this is NULL,
* the only supported media is assumed to be "manual".
*/
const 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 */
uint16_t sc_conf3; /* CSR3 value */
uint16_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
uint8_t sc_enaddr[ETHER_ADDR_LEN];
void (*sc_meminit)(struct lance_softc *);
void (*sc_start)(struct ifnet *);
};
extern struct cfdriver le_cd;
void lance_config(struct lance_softc *);
void lance_reset(struct lance_softc *);
int lance_init(struct lance_softc *);
int lance_put(struct lance_softc *, int, struct mbuf *);
void lance_read(struct lance_softc *, int, int);
void lance_setladrf(struct arpcom *, uint16_t *);
/*
* 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 lance_copytobuf_contig(struct lance_softc *, void *, int, int);
void lance_copyfrombuf_contig(struct lance_softc *, void *, int, int);
void lance_zerobuf_contig(struct lance_softc *, int, int);
#if 0 /* Example only - see lance.c */
void lance_copytobuf_gap2(struct lance_softc *, void *, int, int);
void lance_copyfrombuf_gap2(struct lance_softc *, void *, int, int);
void lance_zerobuf_gap2(struct lance_softc *, int, int);
void lance_copytobuf_gap16(struct lance_softc *, void *, int, int);
void lance_copyfrombuf_gap16(struct lance_softc *, void *, int, int);
void lance_zerobuf_gap16(struct lance_softc *, int, int);
#endif /* Example only */
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