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/* $OpenBSD: am7990var.h,v 1.9 2002/03/14 01:26:54 millert Exp $ */
/* $NetBSD: am7990var.h,v 1.8 1996/07/05 23:57:01 abrown Exp $ */
/*
* 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,
* arpcom.ac_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 {
struct device sc_dev; /* base device glue */
struct arpcom sc_arpcom; /* Ethernet common part */
/*
* Memory functions:
*
* copy to/from descriptor
* copy to/from buffer
* zero bytes in buffer
*/
void (*sc_copytodesc)(struct am7990_softc *, void *, int, int);
void (*sc_copyfromdesc)(struct am7990_softc *, void *, int, int);
void (*sc_copytobuf)(struct am7990_softc *, void *, int, int);
void (*sc_copyfrombuf)(struct am7990_softc *, void *, int, int);
void (*sc_zerobuf)(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
*/
u_int16_t (*sc_rdcsr)(struct am7990_softc *, u_int16_t);
void (*sc_wrcsr)(struct am7990_softc *, u_int16_t, u_int16_t);
void (*sc_hwreset)(struct am7990_softc *);
void (*sc_hwinit)(struct am7990_softc *);
void (*sc_nocarrier)(struct am7990_softc *);
int sc_hasifmedia;
struct ifmedia sc_ifmedia;
void *sc_sh; /* shutdownhook cookie */
u_int16_t sc_conf3; /* CSR3 value */
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
};
/* Export this to machine-dependent drivers. */
extern struct cfdriver le_cd;
void am7990_config(struct am7990_softc *);
void am7990_init(struct am7990_softc *);
int am7990_ioctl(struct ifnet *, u_long, caddr_t);
void am7990_meminit(struct am7990_softc *);
void am7990_reset(struct am7990_softc *);
void am7990_setladrf(struct arpcom *, u_int16_t *);
void am7990_start(struct ifnet *);
void am7990_stop(struct am7990_softc *);
void am7990_watchdog(struct ifnet *);
int am7990_intr(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(struct am7990_softc *, void *, int, int);
void am7990_copyfrombuf_contig(struct am7990_softc *, void *, int, int);
void am7990_zerobuf_contig(struct am7990_softc *, int, int);
#if 0 /* Example only - see am7990.c */
void am7990_copytobuf_gap2(struct am7990_softc *, void *, int, int);
void am7990_copyfrombuf_gap2(struct am7990_softc *, void *, int, int);
void am7990_zerobuf_gap2(struct am7990_softc *, int, int);
void am7990_copytobuf_gap16(struct am7990_softc *, void *, int, int);
void am7990_copyfrombuf_gap16(struct am7990_softc *, void *, int, int);
void am7990_zerobuf_gap16(struct am7990_softc *, int, int);
#endif /* Example only */
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