am7990var.h revision 1.10
1 /* $NetBSD: am7990var.h,v 1.10 1997/03/09 21:12:42 leo Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Charles M. Hannum. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Charles M. Hannum. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifdef DDB 33 #define integrate 34 #define hide 35 #else 36 #define integrate static __inline 37 #define hide static 38 #endif 39 40 /* 41 * Ethernet software status per device. 42 * 43 * Each interface is referenced by a network interface structure, 44 * arpcom.ac_if, which the routing code uses to locate the interface. 45 * This structure contains the output queue for the interface, its address, ... 46 * 47 * NOTE: this structure MUST be the first element in machine-dependent 48 * le_softc structures! This is designed SPECIFICALLY to make it possible 49 * to simply cast a "void *" to "struct le_softc *" or to 50 * "struct am7990_softc *". Among other things, this saves a lot of hair 51 * in the interrupt handlers. 52 */ 53 struct am7990_softc { 54 struct device sc_dev; /* base device glue */ 55 struct arpcom sc_arpcom; /* Ethernet common part */ 56 57 /* 58 * Memory functions: 59 * 60 * copy to/from descriptor 61 * copy to/from buffer 62 * zero bytes in buffer 63 */ 64 void (*sc_copytodesc) 65 __P((struct am7990_softc *, void *, int, int)); 66 void (*sc_copyfromdesc) 67 __P((struct am7990_softc *, void *, int, int)); 68 void (*sc_copytobuf) 69 __P((struct am7990_softc *, void *, int, int)); 70 void (*sc_copyfrombuf) 71 __P((struct am7990_softc *, void *, int, int)); 72 void (*sc_zerobuf) 73 __P((struct am7990_softc *, int, int)); 74 75 /* 76 * Machine-dependent functions: 77 * 78 * read/write CSR 79 * hardware init hook - may be NULL 80 * no carrier hook - may be NULL 81 */ 82 u_int16_t (*sc_rdcsr) 83 __P((struct am7990_softc *, u_int16_t)); 84 void (*sc_wrcsr) 85 __P((struct am7990_softc *, u_int16_t, u_int16_t)); 86 void (*sc_hwinit) __P((struct am7990_softc *)); 87 void (*sc_nocarrier) __P((struct am7990_softc *)); 88 89 void *sc_sh; /* shutdownhook cookie */ 90 91 u_int16_t sc_conf3; /* CSR3 value */ 92 u_int16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */ 93 94 void *sc_mem; /* base address of RAM -- CPU's view */ 95 u_long sc_addr; /* base address of RAM -- LANCE's view */ 96 97 u_long sc_memsize; /* size of RAM */ 98 99 int sc_nrbuf; /* number of receive buffers */ 100 int sc_ntbuf; /* number of transmit buffers */ 101 int sc_last_rd; 102 int sc_first_td, sc_last_td, sc_no_td; 103 104 int sc_initaddr; 105 int sc_rmdaddr; 106 int sc_tmdaddr; 107 int *sc_rbufaddr; 108 int *sc_tbufaddr; 109 110 #ifdef LEDEBUG 111 int sc_debug; 112 #endif 113 }; 114 115 /* Export this to machine-dependent drivers. */ 116 extern struct cfdriver le_cd; 117 118 void am7990_config __P((struct am7990_softc *)); 119 void am7990_init __P((struct am7990_softc *)); 120 int am7990_ioctl __P((struct ifnet *, u_long, caddr_t)); 121 void am7990_meminit __P((struct am7990_softc *)); 122 void am7990_reset __P((struct am7990_softc *)); 123 void am7990_setladrf __P((struct arpcom *, u_int16_t *)); 124 void am7990_start __P((struct ifnet *)); 125 void am7990_stop __P((struct am7990_softc *)); 126 void am7990_watchdog __P((struct ifnet *)); 127 int am7990_intr __P((void *)); 128 129 /* 130 * The following functions are only useful on certain cpu/bus 131 * combinations. They should be written in assembly language for 132 * maximum efficiency, but machine-independent versions are provided 133 * for drivers that have not yet been optimized. 134 */ 135 void am7990_copytobuf_contig __P((struct am7990_softc *, void *, int, int)); 136 void am7990_copyfrombuf_contig __P((struct am7990_softc *, void *, int, int)); 137 void am7990_zerobuf_contig __P((struct am7990_softc *, int, int)); 138 139 #if 0 /* Example only - see am7990.c */ 140 void am7990_copytobuf_gap2 __P((struct am7990_softc *, void *, int, int)); 141 void am7990_copyfrombuf_gap2 __P((struct am7990_softc *, void *, int, int)); 142 void am7990_zerobuf_gap2 __P((struct am7990_softc *, int, int)); 143 144 void am7990_copytobuf_gap16 __P((struct am7990_softc *, void *, int, int)); 145 void am7990_copyfrombuf_gap16 __P((struct am7990_softc *, void *, int, int)); 146 void am7990_zerobuf_gap16 __P((struct am7990_softc *, int, int)); 147 #endif /* Example only */ 148
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