diff options
Diffstat (limited to 'sys/arch/kbus/dev/am7990var.h')
| -rw-r--r-- | sys/arch/kbus/dev/am7990var.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/sys/arch/kbus/dev/am7990var.h b/sys/arch/kbus/dev/am7990var.h new file mode 100644 index 00000000000..9b8e19b2138 --- /dev/null +++ b/sys/arch/kbus/dev/am7990var.h @@ -0,0 +1,147 @@ +/* $OpenBSD: am7990var.h,v 1.1 1997/10/14 07:25:30 gingold 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) + __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 init hook - may be NULL + * no carrier 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_hwinit) __P((struct am7990_softc *)); + void (*sc_nocarrier) __P((struct am7990_softc *)); + + 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 __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 *)); +int 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 */ |