Annotation of sys/dev/ic/am7990var.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: am7990var.h,v 1.9 2002/03/14 01:26:54 millert Exp $ */
! 2: /* $NetBSD: am7990var.h,v 1.8 1996/07/05 23:57:01 abrown Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1995 Charles M. Hannum. All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: * 3. All advertising materials mentioning features or use of this software
! 16: * must display the following acknowledgement:
! 17: * This product includes software developed by Charles M. Hannum.
! 18: * 4. The name of the author may not be used to endorse or promote products
! 19: * derived from this software without specific prior written permission.
! 20: *
! 21: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 22: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 23: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 24: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 25: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 26: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 27: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 28: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 29: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 30: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 31: */
! 32:
! 33: #ifdef DDB
! 34: #define integrate
! 35: #define hide
! 36: #else
! 37: #define integrate static __inline
! 38: #define hide static
! 39: #endif
! 40:
! 41: /*
! 42: * Ethernet software status per device.
! 43: *
! 44: * Each interface is referenced by a network interface structure,
! 45: * arpcom.ac_if, which the routing code uses to locate the interface.
! 46: * This structure contains the output queue for the interface, its address, ...
! 47: *
! 48: * NOTE: this structure MUST be the first element in machine-dependent
! 49: * le_softc structures! This is designed SPECIFICALLY to make it possible
! 50: * to simply cast a "void *" to "struct le_softc *" or to
! 51: * "struct am7990_softc *". Among other things, this saves a lot of hair
! 52: * in the interrupt handlers.
! 53: */
! 54: struct am7990_softc {
! 55: struct device sc_dev; /* base device glue */
! 56: struct arpcom sc_arpcom; /* Ethernet common part */
! 57:
! 58: /*
! 59: * Memory functions:
! 60: *
! 61: * copy to/from descriptor
! 62: * copy to/from buffer
! 63: * zero bytes in buffer
! 64: */
! 65: void (*sc_copytodesc)(struct am7990_softc *, void *, int, int);
! 66: void (*sc_copyfromdesc)(struct am7990_softc *, void *, int, int);
! 67: void (*sc_copytobuf)(struct am7990_softc *, void *, int, int);
! 68: void (*sc_copyfrombuf)(struct am7990_softc *, void *, int, int);
! 69: void (*sc_zerobuf)(struct am7990_softc *, int, int);
! 70:
! 71: /*
! 72: * Machine-dependent functions:
! 73: *
! 74: * read/write CSR
! 75: * hardware reset hook - may be NULL
! 76: * hardware init hook - may be NULL
! 77: * no carrier hook - may be NULL
! 78: */
! 79: u_int16_t (*sc_rdcsr)(struct am7990_softc *, u_int16_t);
! 80: void (*sc_wrcsr)(struct am7990_softc *, u_int16_t, u_int16_t);
! 81: void (*sc_hwreset)(struct am7990_softc *);
! 82: void (*sc_hwinit)(struct am7990_softc *);
! 83: void (*sc_nocarrier)(struct am7990_softc *);
! 84:
! 85: int sc_hasifmedia;
! 86: struct ifmedia sc_ifmedia;
! 87:
! 88: void *sc_sh; /* shutdownhook cookie */
! 89:
! 90: u_int16_t sc_conf3; /* CSR3 value */
! 91:
! 92: void *sc_mem; /* base address of RAM -- CPU's view */
! 93: u_long sc_addr; /* base address of RAM -- LANCE's view */
! 94:
! 95: u_long sc_memsize; /* size of RAM */
! 96:
! 97: int sc_nrbuf; /* number of receive buffers */
! 98: int sc_ntbuf; /* number of transmit buffers */
! 99: int sc_last_rd;
! 100: int sc_first_td, sc_last_td, sc_no_td;
! 101:
! 102: int sc_initaddr;
! 103: int sc_rmdaddr;
! 104: int sc_tmdaddr;
! 105: int sc_rbufaddr;
! 106: int sc_tbufaddr;
! 107:
! 108: #ifdef LEDEBUG
! 109: int sc_debug;
! 110: #endif
! 111: };
! 112:
! 113: /* Export this to machine-dependent drivers. */
! 114: extern struct cfdriver le_cd;
! 115:
! 116: void am7990_config(struct am7990_softc *);
! 117: void am7990_init(struct am7990_softc *);
! 118: int am7990_ioctl(struct ifnet *, u_long, caddr_t);
! 119: void am7990_meminit(struct am7990_softc *);
! 120: void am7990_reset(struct am7990_softc *);
! 121: void am7990_setladrf(struct arpcom *, u_int16_t *);
! 122: void am7990_start(struct ifnet *);
! 123: void am7990_stop(struct am7990_softc *);
! 124: void am7990_watchdog(struct ifnet *);
! 125: int am7990_intr(void *);
! 126:
! 127: /*
! 128: * The following functions are only useful on certain cpu/bus
! 129: * combinations. They should be written in assembly language for
! 130: * maximum efficiency, but machine-independent versions are provided
! 131: * for drivers that have not yet been optimized.
! 132: */
! 133: void am7990_copytobuf_contig(struct am7990_softc *, void *, int, int);
! 134: void am7990_copyfrombuf_contig(struct am7990_softc *, void *, int, int);
! 135: void am7990_zerobuf_contig(struct am7990_softc *, int, int);
! 136:
! 137: #if 0 /* Example only - see am7990.c */
! 138: void am7990_copytobuf_gap2(struct am7990_softc *, void *, int, int);
! 139: void am7990_copyfrombuf_gap2(struct am7990_softc *, void *, int, int);
! 140: void am7990_zerobuf_gap2(struct am7990_softc *, int, int);
! 141:
! 142: void am7990_copytobuf_gap16(struct am7990_softc *, void *, int, int);
! 143: void am7990_copyfrombuf_gap16(struct am7990_softc *, void *, int, int);
! 144: void am7990_zerobuf_gap16(struct am7990_softc *, int, int);
! 145: #endif /* Example only */
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