224 lines
5.7 KiB
C
224 lines
5.7 KiB
C
/*
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* Copyright (c) 1995, David Greenman
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* National Semiconductor DP8393X SONIC Driver
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*
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* This is the C-bus specific attachment on FreeBSD
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* written by Motomichi Matsuzaki <mzaki@e-mail.ne.jp>
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/socket.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/if_media.h>
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#include <isa/isavar.h>
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#include <sys/malloc.h> /* as dependency for isa/isa_common.h */
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#include <isa/isa_common.h> /* for snc_isapnp_reconfig() */
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#include <dev/snc/dp83932var.h>
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#include <dev/snc/if_sncreg.h>
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#include <dev/snc/if_sncvar.h>
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static void snc_isapnp_reconfig (device_t);
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static int snc_isa_probe (device_t);
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static int snc_isa_attach (device_t);
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static struct isa_pnp_id snc_ids[] = {
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{ 0x6180a3b8, NULL }, /* NEC8061 NEC PC-9801-104 */
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{ 0, NULL }
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};
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static void
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snc_isapnp_reconfig(dev)
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device_t dev;
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{
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struct isa_device *idev = DEVTOISA(dev);
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struct isa_config config;
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u_long start, count;
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int rid;
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bzero(&config, sizeof(config));
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for (rid = 0; rid < ISA_NMEM; rid++) {
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if (bus_get_resource(dev, SYS_RES_MEMORY, rid, &start, &count))
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break;
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config.ic_mem[rid].ir_start = start;
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config.ic_mem[rid].ir_end = start;
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config.ic_mem[rid].ir_size = count;
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}
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config.ic_nmem = rid;
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for (rid = 0; rid < ISA_NPORT; rid++) {
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if (bus_get_resource(dev, SYS_RES_IOPORT, rid, &start, &count))
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break;
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config.ic_port[rid].ir_start = start;
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config.ic_port[rid].ir_end = start;
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config.ic_port[rid].ir_size = count;
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}
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config.ic_nport = rid;
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for (rid = 0; rid < ISA_NIRQ; rid++) {
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if (bus_get_resource(dev, SYS_RES_IRQ, rid, &start, &count))
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break;
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config.ic_irqmask[rid] = 1 << start;
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}
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config.ic_nirq = rid;
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for (rid = 0; rid < ISA_NDRQ; rid++) {
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if (bus_get_resource(dev, SYS_RES_DRQ, rid, &start, &count))
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break;
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config.ic_drqmask[rid] = 1 << start;
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}
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config.ic_ndrq = rid;
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idev->id_config_cb(idev->id_config_arg, &config, 1);
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}
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static int
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snc_isa_probe(dev)
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device_t dev;
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{
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struct snc_softc *sc = device_get_softc(dev);
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int type;
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int error = 0;
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bzero(sc, sizeof(struct snc_softc));
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/* Check isapnp ids */
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error = ISA_PNP_PROBE(device_get_parent(dev), dev, snc_ids);
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/* If the card had a PnP ID that didn't match any we know about */
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if (error == ENXIO) {
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return(error);
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}
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switch (error) {
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case 0: /* Matched PnP */
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type = SNEC_TYPE_PNP;
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break;
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case ENOENT: /* Legacy ISA */
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type = SNEC_TYPE_LEGACY;
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break;
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default: /* If we had some other problem. */
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return(error);
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}
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if (type == SNEC_TYPE_PNP && isa_get_portsize(dev) == 0) {
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int port;
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int rid = 0;
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struct resource *res = NULL;
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for (port = 0x0888; port <= 0x3888; port += 0x1000) {
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bus_set_resource(dev, SYS_RES_IOPORT, rid,
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port, SNEC_NREGS);
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res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
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0, ~0, SNEC_NREGS,
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0 /* !RF_ACTIVE */);
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if (res) break;
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}
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printf("snc_isa_probe: broken PnP resource, ");
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if (res) {
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printf("use port 0x%x\n", port);
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bus_release_resource(dev, SYS_RES_IOPORT, rid, res);
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snc_isapnp_reconfig(dev);
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} else {
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printf("and can't find port\n");
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}
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}
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error = snc_alloc_port(dev, 0);
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error = max(error, snc_alloc_memory(dev, 0));
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error = max(error, snc_alloc_irq(dev, 0, 0));
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if (!error && !snc_probe(dev, type))
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error = ENOENT;
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snc_release_resources(dev);
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return (error);
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}
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static int
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snc_isa_attach(dev)
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device_t dev;
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{
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struct snc_softc *sc = device_get_softc(dev);
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int error;
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bzero(sc, sizeof(struct snc_softc));
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snc_alloc_port(dev, 0);
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snc_alloc_memory(dev, 0);
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snc_alloc_irq(dev, 0, 0);
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error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
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sncintr, sc, &sc->irq_handle);
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if (error) {
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printf("snc_isa_attach: bus_setup_intr() failed\n");
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snc_release_resources(dev);
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return (error);
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}
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/* This interface is always enabled. */
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sc->sc_enabled = 1;
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return snc_attach(dev);
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}
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static device_method_t snc_isa_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, snc_isa_probe),
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DEVMETHOD(device_attach, snc_isa_attach),
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DEVMETHOD(device_shutdown, snc_shutdown),
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{ 0, 0 }
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};
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static driver_t snc_isa_driver = {
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"snc",
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snc_isa_methods,
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sizeof(struct snc_softc)
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};
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DRIVER_MODULE(snc, isa, snc_isa_driver, snc_devclass, 0, 0);
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MODULE_DEPEND(snc, isa, 1, 1, 1);
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MODULE_DEPEND(snc, ether, 1, 1, 1);
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