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/* $OpenBSD: if_fea.c,v 1.14 2002/06/02 22:49:59 deraadt Exp $ */
/* $NetBSD: if_fea.c,v 1.9 1996/10/21 22:31:05 thorpej Exp $ */
/*-
* Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
* All rights reserved.
*
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* Id: if_fea.c,v 1.6 1996/06/07 20:02:25 thomas Exp
*/
/*
* DEC PDQ FDDI Controller
*
* This module support the DEFEA EISA FDDI Controller.
*/
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/mbuf.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_types.h>
#include <net/if_dl.h>
#include <net/route.h>
#include "bpfilter.h"
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_ether.h>
#endif
#include <net/if_fddi.h>
#include <uvm/uvm_extern.h>
#include <machine/cpu.h>
#include <machine/bus.h>
#include <dev/ic/pdqvar.h>
#include <dev/ic/pdqreg.h>
#include <dev/eisa/eisareg.h>
#include <dev/eisa/eisavar.h>
#include <dev/eisa/eisadevs.h>
/*
*
*/
void pdq_eisa_subprobe(bus_space_tag_t, bus_space_handle_t,
u_int32_t *, u_int32_t *, u_int32_t *);
void pdq_eisa_devinit(pdq_softc_t *);
int pdq_eisa_match(struct device *, void *, void *);
void pdq_eisa_attach(struct device *, struct device *, void *);
#define DEFEA_INTRENABLE 0x8 /* level interrupt */
static int pdq_eisa_irqs[4] = { 9, 10, 11, 15 };
void
pdq_eisa_subprobe(bc, iobase, maddr, msize, irq)
bus_space_tag_t bc;
bus_space_handle_t iobase;
u_int32_t *maddr;
u_int32_t *msize;
u_int32_t *irq;
{
if (irq != NULL)
*irq = pdq_eisa_irqs[PDQ_OS_IORD_8(bc, iobase,
PDQ_EISA_IO_CONFIG_STAT_0) & 3];
*maddr = (PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_MEM_ADD_CMP_0) << 8)
| (PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_MEM_ADD_CMP_1) << 16);
*msize = (PDQ_OS_IORD_8(bc, iobase, PDQ_EISA_MEM_ADD_MASK_0) + 4) << 8;
}
void
pdq_eisa_devinit(sc)
pdq_softc_t *sc;
{
u_int8_t data;
bus_space_tag_t tag;
tag = sc->sc_bc;
/*
* Do the standard initialization for the DEFEA registers.
*/
PDQ_OS_IOWR_8(tag, sc->sc_iobase, PDQ_EISA_FUNCTION_CTRL, 0x23);
PDQ_OS_IOWR_8(tag, sc->sc_iobase, PDQ_EISA_IO_CMP_1_1,
(sc->sc_iobase >> 8) & 0xF0);
PDQ_OS_IOWR_8(tag, sc->sc_iobase, PDQ_EISA_IO_CMP_0_1,
(sc->sc_iobase >> 8) & 0xF0);
PDQ_OS_IOWR_8(tag, sc->sc_iobase, PDQ_EISA_SLOT_CTRL, 0x01);
data = PDQ_OS_IORD_8(tag, sc->sc_iobase, PDQ_EISA_BURST_HOLDOFF);
#if defined(PDQ_IOMAPPED)
PDQ_OS_IOWR_8(tag, sc->sc_iobase, PDQ_EISA_BURST_HOLDOFF, data & ~1);
#else
PDQ_OS_IOWR_8(tag, sc->sc_iobase, PDQ_EISA_BURST_HOLDOFF, data | 1);
#endif
data = PDQ_OS_IORD_8(tag, sc->sc_iobase, PDQ_EISA_IO_CONFIG_STAT_0);
PDQ_OS_IOWR_8(tag, sc->sc_iobase, PDQ_EISA_IO_CONFIG_STAT_0,
data | DEFEA_INTRENABLE);
}
int
pdq_eisa_match(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
struct eisa_attach_args *ea = (struct eisa_attach_args *) aux;
if (strncmp(ea->ea_idstring, "DEC300", 6) == 0)
return (1);
return (0);
}
void
pdq_eisa_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
pdq_softc_t *sc = (pdq_softc_t *) self;
struct eisa_attach_args *ea = (struct eisa_attach_args *) aux;
u_int32_t irq, maddr, msize;
eisa_intr_handle_t ih;
const char *intrstr;
sc->sc_iotag = ea->ea_iot;
bcopy(sc->sc_dev.dv_xname, sc->sc_if.if_xname, IFNAMSIZ);
sc->sc_if.if_flags = 0;
sc->sc_if.if_softc = sc;
/*
* NOTE: sc_bc is an alias for sc_csrtag and sc_membase is
* an alias for sc_csrhandle. sc_iobase is used here to
* check the card's configuration.
*/
if (bus_space_map(sc->sc_iotag, EISA_SLOT_ADDR(ea->ea_slot),
EISA_SLOT_SIZE, 0, &sc->sc_iobase)) {
printf("\n%s: failed to map I/O!\n", sc->sc_dev.dv_xname);
return;
}
pdq_eisa_subprobe(sc->sc_iotag, sc->sc_iobase, &maddr, &msize, &irq);
#if defined(PDQ_IOMAPPED)
sc->sc_csrtag = sc->sc_iotag;
sc->sc_csrhandle = sc->sc_iobase;
#else
if (maddr == 0 || msize == 0) {
printf("\n%s: error: memory not enabled! ECU reconfiguration"
" required\n", sc->sc_dev.dv_xname);
return;
}
if (bus_space_map(sc->sc_csrtag, maddr, msize, 0, &sc->sc_csrhandle)) {
bus_space_unmap(sc->sc_iotag, sc->sc_iobase, EISA_SLOT_SIZE);
printf("\n%s: failed to map memory (0x%x-0x%x)!\n",
sc->sc_dev.dv_xname, maddr, maddr + msize - 1);
return;
}
#endif
pdq_eisa_devinit(sc);
sc->sc_pdq = pdq_initialize(sc->sc_bc, sc->sc_membase,
sc->sc_if.if_xname, 0, (void *) sc, PDQ_DEFEA);
if (sc->sc_pdq == NULL) {
printf("%s: initialization failed\n", sc->sc_dev.dv_xname);
return;
}
if (eisa_intr_map(ea->ea_ec, irq, &ih)) {
printf("%s: couldn't map interrupt (%d)\n",
sc->sc_dev.dv_xname, irq);
return;
}
intrstr = eisa_intr_string(ea->ea_ec, ih);
sc->sc_ih = eisa_intr_establish(ea->ea_ec, ih, IST_LEVEL, IPL_NET,
(int (*)(void *)) pdq_interrupt, sc->sc_pdq, sc->sc_dev.dv_xname);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
if (intrstr != NULL)
printf(": interrupting at %s\n", intrstr);
bcopy((caddr_t) sc->sc_pdq->pdq_hwaddr.lanaddr_bytes,
sc->sc_ac.ac_enaddr, 6);
pdq_ifattach(sc, NULL);
sc->sc_ats = shutdownhook_establish((void (*)(void *)) pdq_hwreset,
sc->sc_pdq);
if (sc->sc_ats == NULL)
printf("%s: warning: couldn't establish shutdown hook\n",
self->dv_xname);
#if !defined(PDQ_IOMAPPED)
printf("%s: using iomem 0x%x-0x%x\n", sc->sc_dev.dv_xname, maddr,
maddr + msize - 1);
#endif
}
struct cfattach fea_ca = {
sizeof(pdq_softc_t), pdq_eisa_match, pdq_eisa_attach
};
struct cfdriver fea_cd = {
0, "fea", DV_IFNET
};
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