1 /* $NetBSD: lemacvar.h,v 1.12 2012/10/27 17:18:21 chs Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Matt Thomas <matt@3am-software.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 #ifndef _LEMAC_VAR_H 28 #define _LEMAC_VAR_H 29 30 31 #include <sys/rnd.h> 32 33 /* 34 * Ethernet status, per interface. 35 */ 36 typedef struct { 37 device_t sc_dev; 38 void *sc_ih; 39 void *sc_ats; 40 struct ethercom sc_ec; 41 struct ifmedia sc_ifmedia; 42 bus_space_tag_t sc_iot; 43 bus_space_tag_t sc_memt; 44 bus_space_handle_t sc_ioh; 45 bus_space_handle_t sc_memh; 46 unsigned sc_flags; /* */ 47 #define LEMAC_PIO_MODE 0x0000U 48 #define LEMAC_2K_MODE 0x0001U 49 #define LEMAC_WAS_32K_MODE 0x0002U 50 #define LEMAC_WAS_64K_MODE 0x0003U 51 #define LEMAC_MODE_MASK 0x0003U 52 #define LEMAC_ALLMULTI 0x0010U 53 #define LEMAC_ALIVE 0x0020U 54 #define LEMAC_LINKUP 0x0040U 55 unsigned sc_lastpage; /* last 2K page */ 56 unsigned sc_txctl; /* Transmit Control Byte */ 57 unsigned sc_ctlmode; /* media ctl bits */ 58 struct { 59 u_int8_t csr_cs; 60 u_int8_t csr_tqc; 61 u_int8_t csr_fmq; 62 } sc_csr; 63 unsigned sc_laststatus; /* last read of LEMAC_REG_CS */ 64 u_int16_t sc_mctbl[LEMAC_MCTBL_SIZE/sizeof(u_int16_t)]; 65 /* local copy of multicast table */ 66 struct { 67 unsigned cntr_txnospc; /* total # of no transmit memory */ 68 unsigned cntr_txfull; /* total # of transmitter full */ 69 unsigned cntr_tne_intrs; /* total # of transmit done intrs */ 70 unsigned cntr_rne_intrs; /* total # of receive done intrs */ 71 unsigned cntr_txd_intrs; /* total # of transmit error intrs */ 72 unsigned cntr_rxd_intrs; /* total # of receive error intrs */ 73 } sc_cntrs; 74 /* 75 * We rely on sc_enaddr being aligned on (at least) a 16 bit boundary 76 */ 77 unsigned char sc_enaddr[ETHER_ADDR_LEN]; /* current Ethernet address */ 78 char sc_prodname[LEMAC_EEP_PRDNMSZ+1]; /* product name DE20x-xx */ 79 u_int8_t sc_eeprom[LEMAC_EEP_SIZE]; /* local copy eeprom */ 80 krndsource_t rnd_source; 81 } lemac_softc_t; 82 83 #define sc_if sc_ec.ec_if 84 85 #define LEMAC_IFP_TO_SOFTC(ifp) ((lemac_softc_t *)((ifp)->if_softc)) 86 #define LEMAC_USE_PIO_MODE(sc) (((sc->sc_flags & LEMAC_MODE_MASK) == LEMAC_PIO_MODE) || (sc->sc_if.if_flags & IFF_LINK0)) 87 88 #define LEMAC_OUTB(sc, o, v) bus_space_write_1((sc)->sc_iot, (sc)->sc_ioh, (o), (v)) 89 #define LEMAC_OUTSB(sc, o, l, p) bus_space_write_multi_1((sc)->sc_iot, (sc)->sc_ioh, (o), (p), (l)) 90 #define LEMAC_INB(sc, o) bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (o)) 91 #define LEMAC_INSB(sc, o, l, p) bus_space_read_multi_1((sc)->sc_iot, (sc)->sc_ioh, (o), (p), (l)) 92 93 #define LEMAC_PUTBUF8(sc, o, l, p) bus_space_write_region_1((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l)) 94 #define LEMAC_PUTBUF16(sc, o, l, p) bus_space_write_region_2((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l)) 95 #define LEMAC_PUTBUF32(sc, o, l, p) bus_space_write_region_4((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l)) 96 97 #define LEMAC_PUT8(sc, o, v) bus_space_write_1((sc)->sc_memt, (sc)->sc_memh, (o), (v)) 98 #define LEMAC_PUT16(sc, o, v) bus_space_write_2((sc)->sc_memt, (sc)->sc_memh, (o), (v)) 99 #define LEMAC_PUT32(sc, o, v) bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, (o), (v)) 100 101 #define LEMAC_GETBUF8(sc, o, l, p) bus_space_read_region_1((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l)) 102 #define LEMAC_GETBUF16(sc, o, l, p) bus_space_read_region_2((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l)) 103 #define LEMAC_GETBUF32(sc, o, l, p) bus_space_read_region_4((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l)) 104 105 #define LEMAC_GET8(sc, o) bus_space_read_1((sc)->sc_memt, (sc)->sc_memh, (o)) 106 #define LEMAC_GET16(sc, o) bus_space_read_2((sc)->sc_memt, (sc)->sc_memh, (o)) 107 #define LEMAC_GET32(sc, o) bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, (o)) 108 109 110 #define LEMAC_INTR_ENABLE(sc) \ 111 LEMAC_OUTB(sc, LEMAC_REG_IC, LEMAC_INB(sc, LEMAC_REG_IC) | LEMAC_IC_ALL) 112 113 #define LEMAC_INTR_DISABLE(sc) \ 114 LEMAC_OUTB(sc, LEMAC_REG_IC, LEMAC_INB(sc, LEMAC_REG_IC) & ~LEMAC_IC_ALL) 115 116 #define LEMAC_IS_64K_MODE(mbase) (((mbase) >= 0x0A) && ((mbase) <= 0x0F)) 117 #define LEMAC_IS_32K_MODE(mbase) (((mbase) >= 0x14) && ((mbase) <= 0x1F)) 118 #define LEMAC_IS_2K_MODE(mbase) ( (mbase) >= 0x40) 119 120 #define LEMAC_DECODEIRQ(i) ((0xFBA5 >> ((i) >> 3)) & 0x0F) 121 122 #define LEMAC_ADDREQUAL(a1, a2) \ 123 (((u_int16_t *)a1)[0] == ((u_int16_t *)a2)[0] \ 124 && ((u_int16_t *)a1)[1] == ((u_int16_t *)a2)[1] \ 125 && ((u_int16_t *)a1)[2] == ((u_int16_t *)a2)[2]) 126 127 #define LEMAC_ADDRBRDCST(a1) \ 128 (((u_int16_t *)a1)[0] == 0xFFFFU \ 129 && ((u_int16_t *)a1)[1] == 0xFFFFU \ 130 && ((u_int16_t *)a1)[2] == 0xFFFFU) 131 132 extern void lemac_ifattach(lemac_softc_t *); 133 extern void lemac_info_get(const bus_space_tag_t, const bus_space_handle_t, 134 bus_addr_t *, bus_size_t *, int *); 135 extern int lemac_port_check(const bus_space_tag_t, const bus_space_handle_t); 136 extern int lemac_intr(void *); 137 extern void lemac_shutdown(void *); 138 139 #endif /* _LEMACVAR_H */ 140