The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/lemacvar.h

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    1 /*      $NetBSD: lemacvar.h,v 1.9 2005/12/11 12:21:27 christos 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 #include "rnd.h"
   31 #if NRND > 0
   32 #include <sys/rnd.h>
   33 #endif
   34 
   35 /*
   36  * Ethernet status, per interface.
   37  */
   38 typedef struct {
   39     struct device sc_dv;
   40     void *sc_ih;
   41     void *sc_ats;
   42     struct ethercom sc_ec;
   43     struct ifmedia sc_ifmedia;
   44     bus_space_tag_t sc_iot;
   45     bus_space_tag_t sc_memt;
   46     bus_space_handle_t sc_ioh;
   47     bus_space_handle_t sc_memh;
   48     unsigned sc_flags;                  /* */
   49 #define LEMAC_PIO_MODE          0x0000U
   50 #define LEMAC_2K_MODE           0x0001U
   51 #define LEMAC_WAS_32K_MODE      0x0002U
   52 #define LEMAC_WAS_64K_MODE      0x0003U
   53 #define LEMAC_MODE_MASK         0x0003U
   54 #define LEMAC_ALLMULTI          0x0010U
   55 #define LEMAC_ALIVE             0x0020U
   56 #define LEMAC_LINKUP            0x0040U
   57     unsigned sc_lastpage;               /* last 2K page */
   58     unsigned sc_txctl;                  /* Transmit Control Byte */
   59     unsigned sc_ctlmode;                /* media ctl bits */
   60     struct {
   61         u_int8_t csr_cs;
   62         u_int8_t csr_tqc;
   63         u_int8_t csr_fmq;
   64     } sc_csr;
   65     unsigned sc_laststatus;             /* last read of LEMAC_REG_CS */
   66     u_int16_t sc_mctbl[LEMAC_MCTBL_SIZE/sizeof(u_int16_t)];
   67                                         /* local copy of multicast table */
   68     struct {
   69         unsigned cntr_txnospc;          /* total # of no transmit memory */
   70         unsigned cntr_txfull;           /* total # of transmitter full */
   71         unsigned cntr_tne_intrs;        /* total # of transmit done intrs */
   72         unsigned cntr_rne_intrs;        /* total # of receive done intrs */
   73         unsigned cntr_txd_intrs;        /* total # of transmit error intrs */
   74         unsigned cntr_rxd_intrs;        /* total # of receive error intrs */
   75     } sc_cntrs;
   76     /*
   77      * We rely on sc_enaddr being aligned on (at least) a 16 bit boundary
   78      */
   79     unsigned char sc_enaddr[ETHER_ADDR_LEN];    /* current Ethernet address */
   80     char sc_prodname[LEMAC_EEP_PRDNMSZ+1]; /* product name DE20x-xx */
   81     u_int8_t sc_eeprom[LEMAC_EEP_SIZE]; /* local copy eeprom */
   82 #if NRND > 0
   83     rndsource_element_t rnd_source;
   84 #endif
   85 } lemac_softc_t;
   86 
   87 #define sc_if   sc_ec.ec_if
   88 
   89 #define LEMAC_IFP_TO_SOFTC(ifp) ((lemac_softc_t *)((ifp)->if_softc))
   90 #define LEMAC_USE_PIO_MODE(sc)  (((sc->sc_flags & LEMAC_MODE_MASK) == LEMAC_PIO_MODE) || (sc->sc_if.if_flags & IFF_LINK0))
   91 
   92 #define LEMAC_OUTB(sc, o, v)    bus_space_write_1((sc)->sc_iot, (sc)->sc_ioh, (o), (v))
   93 #define LEMAC_OUTSB(sc, o, l, p)        bus_space_write_multi_1((sc)->sc_iot, (sc)->sc_ioh, (o), (p), (l))
   94 #define LEMAC_INB(sc, o)        bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (o))
   95 #define LEMAC_INSB(sc, o, l, p) bus_space_read_multi_1((sc)->sc_iot, (sc)->sc_ioh, (o), (p), (l))
   96 
   97 #define LEMAC_PUTBUF8(sc, o, l, p)      bus_space_write_region_1((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l))
   98 #define LEMAC_PUTBUF16(sc, o, l, p)     bus_space_write_region_2((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l))
   99 #define LEMAC_PUTBUF32(sc, o, l, p)     bus_space_write_region_4((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l))
  100 
  101 #define LEMAC_PUT8(sc, o, v)    bus_space_write_1((sc)->sc_memt, (sc)->sc_memh, (o), (v))
  102 #define LEMAC_PUT16(sc, o, v)   bus_space_write_2((sc)->sc_memt, (sc)->sc_memh, (o), (v))
  103 #define LEMAC_PUT32(sc, o, v)   bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, (o), (v))
  104 
  105 #define LEMAC_GETBUF8(sc, o, l, p)      bus_space_read_region_1((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l))
  106 #define LEMAC_GETBUF16(sc, o, l, p)     bus_space_read_region_2((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l))
  107 #define LEMAC_GETBUF32(sc, o, l, p)     bus_space_read_region_4((sc)->sc_memt, (sc)->sc_memh, (o), (p), (l))
  108 
  109 #define LEMAC_GET8(sc, o)       bus_space_read_1((sc)->sc_memt, (sc)->sc_memh, (o))
  110 #define LEMAC_GET16(sc, o)      bus_space_read_2((sc)->sc_memt, (sc)->sc_memh, (o))
  111 #define LEMAC_GET32(sc, o)      bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, (o))
  112 
  113 
  114 #define LEMAC_INTR_ENABLE(sc) \
  115         LEMAC_OUTB(sc, LEMAC_REG_IC, LEMAC_INB(sc, LEMAC_REG_IC) | LEMAC_IC_ALL)
  116 
  117 #define LEMAC_INTR_DISABLE(sc) \
  118         LEMAC_OUTB(sc, LEMAC_REG_IC, LEMAC_INB(sc, LEMAC_REG_IC) & ~LEMAC_IC_ALL)
  119 
  120 #define LEMAC_IS_64K_MODE(mbase) (((mbase) >= 0x0A) && ((mbase) <= 0x0F))
  121 #define LEMAC_IS_32K_MODE(mbase) (((mbase) >= 0x14) && ((mbase) <= 0x1F))
  122 #define LEMAC_IS_2K_MODE(mbase) ( (mbase) >= 0x40)
  123 
  124 #define LEMAC_DECODEIRQ(i)      ((0xFBA5 >> ((i) >> 3)) & 0x0F)
  125 
  126 #define LEMAC_ADDREQUAL(a1, a2) \
  127         (((u_int16_t *)a1)[0] == ((u_int16_t *)a2)[0] \
  128          && ((u_int16_t *)a1)[1] == ((u_int16_t *)a2)[1] \
  129          && ((u_int16_t *)a1)[2] == ((u_int16_t *)a2)[2])
  130 
  131 #define LEMAC_ADDRBRDCST(a1) \
  132         (((u_int16_t *)a1)[0] == 0xFFFFU \
  133          && ((u_int16_t *)a1)[1] == 0xFFFFU \
  134          && ((u_int16_t *)a1)[2] == 0xFFFFU)
  135 
  136 extern void lemac_ifattach(lemac_softc_t *);
  137 extern void lemac_info_get(const bus_space_tag_t, const bus_space_handle_t,
  138     bus_addr_t *, bus_size_t *, int *);
  139 extern int lemac_port_check(const bus_space_tag_t, const bus_space_handle_t);
  140 extern int lemac_intr(void *);
  141 extern void lemac_shutdown(void *);
  142 
  143 #endif /* _LEMACVAR_H */

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