1 /* $NetBSD: if_mcvar.h,v 1.6 1998/12/22 08:47:05 scottr Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 David Huang <khym@bga.com> 5 * 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. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 */ 27 28 /* XXX this file depends on opt_ddb.h */ 29 #ifdef DDB 30 #define integrate 31 #define hide 32 #else 33 #define integrate static __inline 34 #define hide static 35 #endif 36 37 #define MC_REGSPACING 16 38 #define MC_REGSIZE MACE_NREGS * MC_REGSPACING 39 #define MACE_REG(x) ((x)*MC_REGSPACING) 40 41 #define NIC_GET(sc, reg) (bus_space_read_1((sc)->sc_regt, \ 42 (sc)->sc_regh, MACE_REG(reg))) 43 44 #define NIC_PUT(sc, reg, val) (bus_space_write_1((sc)->sc_regt, \ 45 (sc)->sc_regh, MACE_REG(reg), (val))) 46 47 #ifndef MC_RXDMABUFS 48 #define MC_RXDMABUFS 4 49 #endif 50 #if (MC_RXDMABUFS < 2) 51 #error Must have at least two buffers for DMA! 52 #endif 53 54 #define MC_NPAGES ((MC_RXDMABUFS * 0x800 + NBPG - 1) / NBPG) 55 56 struct mc_rxframe { 57 u_int8_t rx_rcvcnt; 58 u_int8_t rx_rcvsts; 59 u_int8_t rx_rntpc; 60 u_int8_t rx_rcvcc; 61 u_char *rx_frame; 62 }; 63 64 struct mc_softc { 65 struct device sc_dev; /* base device glue */ 66 struct ethercom sc_ethercom; /* Ethernet common part */ 67 #define sc_if sc_ethercom.ec_if 68 69 struct mc_rxframe sc_rxframe; 70 u_int8_t sc_biucc; 71 u_int8_t sc_fifocc; 72 u_int8_t sc_plscc; 73 u_int8_t sc_enaddr[6]; 74 u_int8_t sc_pad[2]; 75 int sc_havecarrier; /* carrier status */ 76 void (*sc_bus_init) __P((struct mc_softc *)); 77 void (*sc_putpacket) __P((struct mc_softc *, u_int)); 78 79 bus_space_tag_t sc_regt; 80 bus_space_handle_t sc_regh; 81 82 u_char *sc_txbuf, *sc_rxbuf; 83 int sc_txbuf_phys, sc_rxbuf_phys; 84 int sc_tail; 85 int sc_rxset; 86 int sc_txset, sc_txseti; 87 }; 88 89 int mcsetup __P((struct mc_softc *, u_int8_t *)); 90 void mcintr __P((void *arg)); 91 void mc_rint __P((struct mc_softc *sc)); 92 u_char mc_get_enaddr __P((bus_space_tag_t t, bus_space_handle_t h, 93 bus_size_t o, u_char *dst)); 94