251 lines
6.9 KiB
C
251 lines
6.9 KiB
C
/*
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* Copyright (c) 2000 Atsushi Onoe <onoe@sm.sony.co.jp>
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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, this list of conditions and the following 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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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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/kernel.h>
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#include <sys/socket.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 <sys/rman.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 <net/ethernet.h>
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#include <net/if_ieee80211.h>
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#include <dev/awi/am79c930reg.h>
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#include <dev/awi/am79c930var.h>
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#include <dev/awi/awireg.h>
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#include <dev/awi/awivar.h>
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struct awi_pccard_softc {
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struct awi_softc sc_awi;
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u_int8_t sc_version[AWI_BANNER_LEN];
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int sc_intr_mask;
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void *sc_intrhand;
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struct resource *sc_irq_res;
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int sc_irq_rid;
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struct resource *sc_port_res;
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int sc_port_rid;
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struct resource *sc_mem_res;
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int sc_mem_rid;
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};
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/*
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* Initialize the device - called from Slot manager.
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*/
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static int
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awi_pccard_probe(device_t dev)
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{
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struct awi_pccard_softc *psc = device_get_softc(dev);
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struct awi_softc *sc = &psc->sc_awi;
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int error = 0;
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psc->sc_port_rid = 0;
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psc->sc_port_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
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&psc->sc_port_rid, 0, ~0, 16, RF_ACTIVE);
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if (!psc->sc_port_res)
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return ENOMEM;
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sc->sc_chip.sc_iot = rman_get_bustag(psc->sc_port_res);
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sc->sc_chip.sc_ioh = rman_get_bushandle(psc->sc_port_res);
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am79c930_chip_init(&sc->sc_chip, 0);
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DELAY(1000);
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awi_read_bytes(sc, AWI_BANNER, psc->sc_version, AWI_BANNER_LEN);
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if (memcmp(psc->sc_version, "PCnetMobile:", 12) != 0) {
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device_printf(dev, "awi_pccard_probe: bad banner: %12D\n",
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psc->sc_version, " ");
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error = ENXIO;
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} else
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device_set_desc(dev, psc->sc_version);
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bus_release_resource(dev, SYS_RES_IOPORT, psc->sc_port_rid,
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psc->sc_port_res);
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return error;
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}
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static int
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awi_pccard_attach(device_t dev)
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{
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struct awi_pccard_softc *psc = device_get_softc(dev);
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struct awi_softc *sc = &psc->sc_awi;
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struct ifnet *ifp = &sc->sc_ec.ac_if;
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int error = 0;
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psc->sc_port_res = 0;
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psc->sc_irq_res = 0;
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psc->sc_mem_res = 0;
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psc->sc_intrhand = 0;
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ifp->if_name = device_get_name(dev);
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ifp->if_unit = device_get_unit(dev);
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if (ifp->if_name == NULL) {
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printf("awi%d: awi_pccard_attach: cannot get device name\n",
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device_get_unit(dev));
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goto fail;
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}
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snprintf(sc->sc_dev.dv_xname, sizeof(sc->sc_dev.dv_xname),
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"%s%d", ifp->if_name, ifp->if_unit);
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psc->sc_port_rid = 0;
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psc->sc_port_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
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&psc->sc_port_rid, 0, ~0, 16, RF_ACTIVE);
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if (!psc->sc_port_res) {
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device_printf(dev, "awi_pccard_attach: port alloc failed\n");
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goto fail;
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}
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sc->sc_chip.sc_iot = rman_get_bustag(psc->sc_port_res);
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sc->sc_chip.sc_ioh = rman_get_bushandle(psc->sc_port_res);
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psc->sc_irq_rid = 0;
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psc->sc_irq_res = bus_alloc_resource(dev, SYS_RES_IRQ,
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&psc->sc_irq_rid, 0, ~0, 1, RF_ACTIVE);
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if (!psc->sc_irq_res) {
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device_printf(dev, "awi_pccard_attach: irq alloc failed\n");
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goto fail;
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}
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psc->sc_mem_rid = 0;
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#if 1
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/*
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* XXX: awi needs to access memory with 8bit,
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* but pccardd apparently maps memory with MDF_16BITS flag.
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* So memory mapped access is disabled and use IO port instead.
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*/
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psc->sc_mem_res = 0;
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#else
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psc->sc_mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
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&psc->sc_mem_rid, 0, ~0, 0x8000, RF_ACTIVE);
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#endif
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if (psc->sc_mem_res) {
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sc->sc_chip.sc_memt = rman_get_bustag(psc->sc_mem_res);
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sc->sc_chip.sc_memh = rman_get_bushandle(psc->sc_mem_res);
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am79c930_chip_init(&sc->sc_chip, 1);
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} else
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am79c930_chip_init(&sc->sc_chip, 0);
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error = bus_setup_intr(dev, psc->sc_irq_res, INTR_TYPE_NET,
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(void (*)(void *))awi_intr, sc, &psc->sc_intrhand);
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if (error) {
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device_printf(dev, "awi_pccard_attach: intr setup failed\n");
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goto fail;
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}
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sc->sc_cansleep = 1;
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sc->sc_enabled = 1;
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sc->sc_ifp = &sc->sc_ec.ac_if;
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error = awi_attach(sc);
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sc->sc_enabled = 0; /*XXX*/
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if (error == 0)
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return 0;
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device_printf(dev, "awi_pccard_attach: awi_attach failed\n");
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fail:
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if (psc->sc_intrhand) {
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bus_teardown_intr(dev, psc->sc_irq_res, psc->sc_intrhand);
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psc->sc_intrhand = 0;
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}
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if (psc->sc_port_res) {
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bus_release_resource(dev, SYS_RES_IOPORT, psc->sc_port_rid,
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psc->sc_port_res);
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psc->sc_port_res = 0;
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}
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if (psc->sc_irq_res) {
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bus_release_resource(dev, SYS_RES_IRQ, psc->sc_irq_rid,
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psc->sc_irq_res);
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psc->sc_irq_res = 0;
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}
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if (psc->sc_mem_res) {
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bus_release_resource(dev, SYS_RES_MEMORY, psc->sc_mem_rid,
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psc->sc_mem_res);
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psc->sc_mem_res = 0;
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}
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if (error == 0)
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error = ENXIO;
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return error;
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}
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static int
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awi_pccard_detach(device_t dev)
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{
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struct awi_pccard_softc *psc = device_get_softc(dev);
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struct awi_softc *sc = &psc->sc_awi;
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struct ifnet *ifp = &sc->sc_ec.ac_if;
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ether_ifdetach(ifp, ETHER_BPF_SUPPORTED);
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ifp->if_flags &= ~IFF_RUNNING;
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if (psc->sc_intrhand) {
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bus_teardown_intr(dev, psc->sc_irq_res, psc->sc_intrhand);
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psc->sc_intrhand = 0;
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}
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if (psc->sc_port_res) {
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bus_release_resource(dev, SYS_RES_IOPORT, psc->sc_port_rid,
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psc->sc_port_res);
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psc->sc_port_res = 0;
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}
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if (psc->sc_irq_res) {
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bus_release_resource(dev, SYS_RES_IRQ, psc->sc_irq_rid,
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psc->sc_irq_res);
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psc->sc_irq_res = 0;
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}
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if (psc->sc_mem_res) {
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bus_release_resource(dev, SYS_RES_MEMORY, psc->sc_mem_rid,
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psc->sc_mem_res);
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psc->sc_mem_res = 0;
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}
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return 0;
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}
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static device_method_t awi_pccard_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, awi_pccard_probe),
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DEVMETHOD(device_attach, awi_pccard_attach),
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DEVMETHOD(device_detach, awi_pccard_detach),
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{ 0, 0 }
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};
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static driver_t awi_pccard_driver = {
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"awi",
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awi_pccard_methods,
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sizeof(struct awi_pccard_softc),
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};
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extern devclass_t awi_devclass;
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DRIVER_MODULE(awi, pccard, awi_pccard_driver, awi_devclass, 0, 0);
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