sys/arch/next68k/dev/mb8795var.h

   1 /*      $NetBSD: mb8795var.h,v 1.9 2005/12/11 12:18:25 christos Exp $   */
   2 /*
   3  * Copyright (c) 1998 Darrin B. Jewell
   4  * 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 Darrin B. Jewell
  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 #include "rnd.h"                /* is random device-driver configured? */
  33 #if NRND > 0
  34 #include <sys/rnd.h>
  35 #endif  /* NRND */
  36
  37 #define MB8795_NRXBUFS (32)
  38
  39 struct mb8795_softc;
  40
  41 /*
  42  * Function switch used as glue to MD code.
  43  */
  44 struct mb8795_glue {
  45         /* Mandatory entry points. */
  46         u_char  (*gl_read_reg)(struct mb8795_softc *, int);
  47         void    (*gl_write_reg)(struct mb8795_softc *, int, u_char);
  48         void    (*gl_dma_reset)(struct mb8795_softc *);
  49         void    (*gl_dma_rx_setup)(struct mb8795_softc *);
  50         void    (*gl_dma_rx_go)(struct mb8795_softc *);
  51         struct mbuf *   (*gl_dma_rx_mbuf)(struct mb8795_softc *);
  52         void    (*gl_dma_tx_setup)(struct mb8795_softc *);
  53         void    (*gl_dma_tx_go)(struct mb8795_softc *);
  54         int     (*gl_dma_tx_mbuf)(struct mb8795_softc *, struct mbuf *);
  55         int     (*gl_dma_tx_isactive)(struct mb8795_softc *);
  56         /* Optional entry points. */
  57 };
  58
  59 struct mb8795_softc {
  60         struct device           sc_dev;         /* base device glue */
  61         struct ethercom         sc_ethercom;    /* Ethernet common part */
  62
  63         struct  mb8795_glue     *sc_glue;       /* glue to MD code */
  64
  65         void    *sc_sh;         /* shutdownhook cookie */
  66
  67         int sc_debug;
  68
  69         bus_space_tag_t sc_bmap_bst;    /* bus space tag */
  70
  71         bus_space_handle_t sc_bmap_bsh; /* bus space handle */
  72
  73         u_int8_t sc_enaddr[6];
  74
  75         struct ifaltq sc_tx_snd;
  76
  77         struct ifmedia sc_media;
  78
  79 #if NRND > 0
  80         rndsource_element_t     rnd_source;
  81 #endif /* NRND */
  82
  83 };
  84
  85 /*
  86  * Macros to read and write the chip's registers.
  87  */
  88 #define MB_READ_REG(sc, reg)            \
  89         (*(sc)->sc_glue->gl_read_reg)((sc), (reg))
  90 #define MB_WRITE_REG(sc, reg, val)      \
  91         (*(sc)->sc_glue->gl_write_reg)((sc), (reg), (val))
  92
  93 /*
  94  * DMA macros for mb8795
  95  */
  96 #define MBDMA_RESET(sc) (*(sc)->sc_glue->gl_dma_reset)((sc))
  97 #define MBDMA_SETUP(sc, addr, len, datain, dmasize)     \
  98      (*(sc)->sc_glue->gl_dma_setup)((sc), (addr), (len), (datain), (dmasize))
  99 #define MBDMA_GO(sc)            (*(sc)->sc_glue->gl_dma_go)((sc))
 100 #define MBDMA_ISACTIVE(sc)      (*(sc)->sc_glue->gl_dma_isactive)((sc))
 101 #define MBDMA_RX_SETUP(sc)      (*(sc)->sc_glue->gl_dma_rx_setup) ((sc))
 102 #define MBDMA_RX_GO(sc)         (*(sc)->sc_glue->gl_dma_rx_go) ((sc))
 103 #define MBDMA_RX_MBUF(sc)       (*(sc)->sc_glue->gl_dma_rx_mbuf) ((sc))
 104 #define MBDMA_TX_SETUP(sc)      (*(sc)->sc_glue->gl_dma_tx_setup) ((sc))
 105 #define MBDMA_TX_GO(sc)         (*(sc)->sc_glue->gl_dma_tx_go) ((sc))
 106 #define MBDMA_TX_MBUF(sc,m)     (*(sc)->sc_glue->gl_dma_tx_mbuf) ((sc), (m))
 107 #define MBDMA_TX_ISACTIVE(sc)   (*(sc)->sc_glue->gl_dma_tx_isactive)((sc))
 108
 109 void mb8795_config(struct mb8795_softc *, int *, int, int);
 110 void mb8795_init(struct mb8795_softc *);
 111 int mb8795_ioctl(struct ifnet *, u_long, void *);
 112 void mb8795_reset(struct mb8795_softc *);
 113 void mb8795_start(struct ifnet *);
 114 void mb8795_stop(struct mb8795_softc *);
 115 void mb8795_watchdog(struct ifnet *);
 116
 117 void mb8795_rint(struct mb8795_softc *);
 118 void mb8795_tint(struct mb8795_softc *);