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/*-
* Copyright (c) 1995, David Greenman
* 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 unmodified, 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 AUTHOR 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 AUTHOR 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>
__FBSDID("$FreeBSD$");
/*
* National Semiconductor DP8393X SONIC Driver
*
* This is the C-bus specific attachment on FreeBSD
* written by Motomichi Matsuzaki <mzaki@e-mail.ne.jp>
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_media.h>
#include <isa/isavar.h>
#include <sys/malloc.h> /* as dependency for isa/isa_common.h */
#include <isa/isa_common.h> /* for snc_isapnp_reconfig() */
#include <dev/snc/dp83932var.h>
#include <dev/snc/if_sncreg.h>
#include <dev/snc/if_sncvar.h>
static void snc_isapnp_reconfig (device_t);
static int snc_isa_probe (device_t);
static int snc_isa_attach (device_t);
static struct isa_pnp_id snc_ids[] = {
{ 0x6180a3b8, NULL }, /* NEC8061 NEC PC-9801-104 */
{ 0, NULL }
};
static void
snc_isapnp_reconfig(device_t dev)
{
struct isa_device *idev = DEVTOISA(dev);
struct isa_config config;
u_long start, count;
int rid;
bzero(&config, sizeof(config));
for (rid = 0; rid < ISA_NMEM; rid++) {
if (bus_get_resource(dev, SYS_RES_MEMORY, rid, &start, &count))
break;
config.ic_mem[rid].ir_start = start;
config.ic_mem[rid].ir_end = start;
config.ic_mem[rid].ir_size = count;
}
config.ic_nmem = rid;
for (rid = 0; rid < ISA_NPORT; rid++) {
if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &start, &count))
break;
config.ic_port[rid].ir_start = start;
config.ic_port[rid].ir_end = start;
config.ic_port[rid].ir_size = count;
}
config.ic_nport = rid;
for (rid = 0; rid < ISA_NIRQ; rid++) {
if (bus_get_resource(dev, SYS_RES_IRQ, rid, &start, &count))
break;
config.ic_irqmask[rid] = 1 << start;
}
config.ic_nirq = rid;
for (rid = 0; rid < ISA_NDRQ; rid++) {
if (bus_get_resource(dev, SYS_RES_DRQ, rid, &start, &count))
break;
config.ic_drqmask[rid] = 1 << start;
}
config.ic_ndrq = rid;
idev->id_config_cb(idev->id_config_arg, &config, 1);
}
static int
snc_isa_probe(device_t dev)
{
struct snc_softc *sc = device_get_softc(dev);
int type;
int error = 0;
bzero(sc, sizeof(struct snc_softc));
/* Check isapnp ids */
error = ISA_PNP_PROBE(device_get_parent(dev), dev, snc_ids);
/* If the card had a PnP ID that didn't match any we know about */
if (error == ENXIO) {
return(error);
}
switch (error) {
case 0: /* Matched PnP */
type = SNEC_TYPE_PNP;
break;
case ENOENT: /* Legacy ISA */
type = SNEC_TYPE_LEGACY;
break;
default: /* If we had some other problem. */
return(error);
}
if (type == SNEC_TYPE_PNP && isa_get_portsize(dev) == 0) {
int port;
int rid = 0;
struct resource *res = NULL;
for (port = 0x0888; port <= 0x3888; port += 0x1000) {
bus_set_resource(dev, SYS_RES_IOPORT, rid,
port, SNEC_NREGS);
res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
0ul, ~0ul, SNEC_NREGS,
0 /* !RF_ACTIVE */);
if (res) break;
}
printf("snc_isa_probe: broken PnP resource, ");
if (res) {
printf("use port 0x%x\n", port);
bus_release_resource(dev, SYS_RES_IOPORT, rid, res);
snc_isapnp_reconfig(dev);
} else {
printf("and can't find port\n");
}
}
error = snc_alloc_port(dev, 0);
error = max(error, snc_alloc_memory(dev, 0));
error = max(error, snc_alloc_irq(dev, 0, 0));
if (!error && !snc_probe(dev, type))
error = ENOENT;
snc_release_resources(dev);
return (error);
}
static int
snc_isa_attach(device_t dev)
{
struct snc_softc *sc = device_get_softc(dev);
bzero(sc, sizeof(struct snc_softc));
snc_alloc_port(dev, 0);
snc_alloc_memory(dev, 0);
snc_alloc_irq(dev, 0, 0);
/* This interface is always enabled. */
sc->sc_enabled = 1;
return snc_attach(dev);
}
static device_method_t snc_isa_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, snc_isa_probe),
DEVMETHOD(device_attach, snc_isa_attach),
DEVMETHOD(device_shutdown, snc_shutdown),
{ 0, 0 }
};
static driver_t snc_isa_driver = {
"snc",
snc_isa_methods,
sizeof(struct snc_softc)
};
DRIVER_MODULE(snc, isa, snc_isa_driver, snc_devclass, 0, 0);
MODULE_DEPEND(snc, isa, 1, 1, 1);
MODULE_DEPEND(snc, ether, 1, 1, 1);
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