/*      $NetBSD: if_ne_xsh.c,v 1.5 2023/12/20 00:40:42 thorpej Exp $ */

/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Radoslaw Kujawa.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#include <sys/cdefs.h>

/*
* X-Surf 100 driver, ne(4) attachment.
*/

#include <sys/param.h>
#include <sys/device.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/syslog.h>
#include <sys/systm.h>
#include <sys/bus.h>

#include <machine/cpu.h>

#include <net/if.h>
#include <net/if_media.h>
#include <net/if_ether.h>

#include <dev/ic/dp8390reg.h>
#include <dev/ic/dp8390var.h>

#include <dev/ic/ne2000reg.h>
#include <dev/ic/ne2000var.h>

#include <dev/ic/ax88190var.h>

#include <amiga/amiga/device.h>
#include <amiga/amiga/isr.h>

#include <amiga/dev/xshvar.h>
#include <amiga/dev/zbusvar.h>

/* #define NE_XSH_DEBUG 1 */

int     ne_xsh_match(device_t, cfdata_t , void *);
void    ne_xsh_attach(device_t, device_t, void *);
#ifdef NE_XSH_DEBUG
void    ne_xsh_debug_mapping(bus_space_tag_t, bus_space_handle_t,
           bus_space_handle_t);
#endif /* NE_XSH_DEBUG */

struct ne_xsh_softc {
       struct ne2000_softc     sc_ne2000;
       struct bus_space_tag    sc_bst;
       struct isr              sc_isr;
};

CFATTACH_DECL_NEW(ne_xsh, sizeof(struct ne_xsh_softc),
   ne_xsh_match, ne_xsh_attach, NULL, NULL);

int
ne_xsh_match(device_t parent, cfdata_t cf, void *aux)
{
       struct xshbus_attach_args *xap = aux;

       if (strcmp(xap->xaa_name, "ne_xsh") != 0)
               return 0;

       return 1;
}

void
ne_xsh_attach(device_t parent, device_t self, void *aux)
{
       struct ne_xsh_softc *zsc = device_private(self);
       struct ne2000_softc *nsc = &zsc->sc_ne2000;
       struct dp8390_softc *dsc = &nsc->sc_dp8390;

       struct xshbus_attach_args *xap = aux;

       bus_space_tag_t xsht;
       bus_space_handle_t nich;
       bus_space_handle_t asich;

       dsc->sc_dev = self;

       zsc->sc_bst.base = xap->xaa_base;
       zsc->sc_bst.absm = &amiga_bus_stride_4;

       aprint_normal("\n");

       xsht = &zsc->sc_bst;

       /* Map the NIC and ASIC spaces. */
       if (bus_space_map(xsht, NE2000_NIC_OFFSET, NE2000_NPORTS, 0, &nich)) {
               aprint_error_dev(self, "can't map nic i/o space\n");
               return;
       }
       if (bus_space_subregion(xsht, nich, NE2000_ASIC_OFFSET,
           NE2000_ASIC_NPORTS, &asich)) {
               aprint_error_dev(self, "can't map asic i/o space\n");
               return;
       }

#ifdef NE_XSH_DEBUG
       ne_xsh_debug_mapping(xsht, nich, asich);
#endif /* NE_XSH_DEBUG */

       dsc->sc_regt = xsht;
       dsc->sc_regh = nich;

       nsc->sc_asict = xsht;
       nsc->sc_asich = asich;

       /* This interface is always enabled. */
       dsc->sc_enabled = 1;

       nsc->sc_type = NE2000_TYPE_AX88796;

       dsc->sc_mediachange = ax88190_mediachange;
       dsc->sc_mediastatus = ax88190_mediastatus;
       dsc->init_card = ax88190_init_card;
       dsc->stop_card = ax88190_stop_card;
       dsc->sc_media_init = ax88190_media_init;
       dsc->sc_media_fini = ax88190_media_fini;

       /*
        * Do generic NE2000 attach.  This will read the station address
        * from the EEPROM.
        */
       ne2000_attach(nsc, NULL);

       zsc->sc_isr.isr_intr = dp8390_intr;
       zsc->sc_isr.isr_arg = dsc;
       zsc->sc_isr.isr_ipl = 2;
       add_isr(&zsc->sc_isr);
}

#ifdef NE_XSH_DEBUG
void
ne_xsh_debug_mapping(bus_space_tag_t xsht, bus_space_handle_t nich,
   bus_space_handle_t asich)
{
       bus_addr_t va;
       int i;

       aprint_normal("xsh: NIC mapping: ");
       for(va = nich, i = 0; i < NE2000_NIC_NPORTS; i++) {
               aprint_normal("%x:%x ", i, kvtop((void*) (va+i)));
       }
       aprint_normal("\n");

       aprint_normal("xsh: ASIC mapping: ");
       for(va = asich, i = 0; i < NE2000_ASIC_NPORTS; i++) {
               aprint_normal("%x:%x ", i, kvtop((void*) (va+i)));
       }
       aprint_normal("\n");
}
#endif /* NE_XSH_DEBUG */

You are viewing proxied material from ftp.icm.edu.pl. The copyright of proxied material belongs to its original authors. Any comments or complaints in relation to proxied material should be directed to the original authors of the content concerned. Please see the disclaimer for more details.