NetBSD/sys/dev/eisa/if_ep_eisa.c

181 lines
5.1 KiB
C

/* $NetBSD: if_ep_eisa.c,v 1.9 1996/10/21 22:31:04 thorpej Exp $ */
/*
* Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
* 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. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Herb Peyerl.
* 4. The name of Herb Peyerl 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.
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/syslog.h>
#include <sys/select.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/netisr.h>
#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
#ifdef NS
#include <netns/ns.h>
#include <netns/ns_if.h>
#endif
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
#include <machine/cpu.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/ic/elink3var.h>
#include <dev/ic/elink3reg.h>
#include <dev/eisa/eisareg.h>
#include <dev/eisa/eisavar.h>
#include <dev/eisa/eisadevs.h>
int ep_eisa_match __P((struct device *, void *, void *));
void ep_eisa_attach __P((struct device *, struct device *, void *));
struct cfattach ep_eisa_ca = {
sizeof(struct ep_softc), ep_eisa_match, ep_eisa_attach
};
/* XXX move these somewhere else */
#define EISA_CONTROL 0x0c84
#define EISA_RESET 0x04
#define EISA_ERROR 0x02
#define EISA_ENABLE 0x01
int
ep_eisa_match(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct eisa_attach_args *ea = aux;
/* must match one of our known ID strings */
if (strcmp(ea->ea_idstring, "TCM5091") &&
strcmp(ea->ea_idstring, "TCM5092") &&
strcmp(ea->ea_idstring, "TCM5093"))
return (0);
return (1);
}
void
ep_eisa_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct ep_softc *sc = (void *)self;
struct eisa_attach_args *ea = aux;
bus_space_tag_t iot = ea->ea_iot;
bus_space_handle_t ioh;
u_int16_t k, conn = 0;
eisa_chipset_tag_t ec = ea->ea_ec;
eisa_intr_handle_t ih;
const char *model, *intrstr;
u_int irq;
/* Map i/o space. */
if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot),
EISA_SLOT_SIZE, 0, &ioh))
panic("ep_eisa_attach: can't map i/o space");
sc->bustype = EP_BUS_EISA;
sc->sc_ioh = ioh;
sc->sc_iot = iot;
/* Reset card. */
bus_space_write_1(iot, ioh, EISA_CONTROL, EISA_ENABLE | EISA_RESET);
delay(10);
bus_space_write_1(iot, ioh, EISA_CONTROL, EISA_ENABLE);
/* Wait for reset? */
delay(1000);
/* XXX What is this doing?! Reading the i/o address? */
k = bus_space_read_2(iot, ioh, EP_W0_ADDRESS_CFG);
k = (k & 0x1f) * 0x10 + 0x200;
/* Read the IRQ from the card. */
irq = bus_space_read_2(iot, ioh, EP_W0_RESOURCE_CFG) >> 12;
GO_WINDOW(0);
conn = bus_space_read_2(iot, ioh, EP_W0_CONFIG_CTRL);
if (strcmp(ea->ea_idstring, "TCM5091") == 0)
model = EISA_PRODUCT_TCM5091;
else if (strcmp(ea->ea_idstring, "TCM5092") == 0)
model = EISA_PRODUCT_TCM5092;
else if (strcmp(ea->ea_idstring, "TCM5093") == 0)
model = EISA_PRODUCT_TCM5093;
else
model = "unknown model!";
printf(": %s\n", model);
if (eisa_intr_map(ec, irq, &ih)) {
printf("%s: couldn't map interrupt (%u)\n",
sc->sc_dev.dv_xname, irq);
return;
}
intrstr = eisa_intr_string(ec, ih);
sc->sc_ih = eisa_intr_establish(ec, ih, IST_EDGE, IPL_NET,
epintr, sc);
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("%s: interrupting at %s\n", sc->sc_dev.dv_xname,
intrstr);
epconfig(sc, conn);
}