189 lines
6.2 KiB
C
189 lines
6.2 KiB
C
/* $NetBSD: fwohci_cardbus.c,v 1.4 2001/12/29 12:26:32 ichiro Exp $ */
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/*-
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* Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Thomas of 3am Software Foundry.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: fwohci_cardbus.c,v 1.4 2001/12/29 12:26:32 ichiro Exp $");
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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/device.h>
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#include <machine/bus.h>
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#if defined pciinc
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#include <dev/pci/pcidevs.h>
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#endif
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#include <dev/cardbus/cardbusvar.h>
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#include <dev/cardbus/cardbusdevs.h>
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#include <dev/ieee1394/ieee1394reg.h>
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#include <dev/ieee1394/ieee1394var.h>
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#include <dev/ieee1394/fwohcireg.h>
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#include <dev/ieee1394/fwohcivar.h>
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struct fwohci_cardbus_softc {
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struct fwohci_softc sc_sc;
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cardbus_chipset_tag_t sc_cc;
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cardbus_function_tag_t sc_cf;
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cardbus_devfunc_t sc_ct;
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void *sc_ih;
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};
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static int fwohci_cardbus_match(struct device *, struct cfdata *, void *);
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static void fwohci_cardbus_attach(struct device *, struct device *, void *);
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static int fwohci_cardbus_detach(struct device *, int);
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struct cfattach fwohci_cardbus_ca = {
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sizeof(struct fwohci_cardbus_softc), fwohci_cardbus_match, fwohci_cardbus_attach,
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fwohci_cardbus_detach, fwohci_activate
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};
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#define CARDBUS_OHCI_MAP_REGISTER PCI_OHCI_MAP_REGISTER
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#define CARDBUS_INTERFACE_OHCI PCI_INTERFACE_OHCI
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#define cardbus_devinfo pci_devinfo
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static int
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fwohci_cardbus_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux;
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if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS &&
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CARDBUS_SUBCLASS(ca->ca_class) ==
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CARDBUS_SUBCLASS_SERIALBUS_FIREWIRE &&
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CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_OHCI)
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return 1;
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return 0;
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}
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static void
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fwohci_cardbus_attach(struct device *parent, struct device *self, void *aux)
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{
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struct cardbus_attach_args *ca = aux;
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struct fwohci_cardbus_softc *sc = (struct fwohci_cardbus_softc *)self;
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cardbus_devfunc_t ct = ca->ca_ct;
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cardbus_chipset_tag_t cc = ct->ct_cc;
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cardbus_function_tag_t cf = ct->ct_cf;
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cardbusreg_t csr;
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char devinfo[256];
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const char *devname = self->dv_xname;
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cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo);
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printf(": %s (rev. 0x%02x)\n", devinfo,
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CARDBUS_REVISION(ca->ca_class));
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/* Map I/O registers */
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if (Cardbus_mapreg_map(ct, CARDBUS_OHCI_MAP_REGISTER,
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CARDBUS_MAPREG_TYPE_MEM, 0,
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&sc->sc_sc.sc_memt, &sc->sc_sc.sc_memh,
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NULL, &sc->sc_sc.sc_memsize)) {
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printf("%s: can't map OCHI register space\n", devname);
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return;
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}
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sc->sc_cc = cc;
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sc->sc_cf = cf;
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sc->sc_ct = ct;
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sc->sc_sc.sc_dmat = ca->ca_dmat;
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#if rbus
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#else
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XXX (ct->ct_cf->cardbus_mem_open)(cc, 0, iob, iob + 0x40);
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#endif
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(ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
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(ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
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/* Disable interrupts, so we don't get any spurious ones. */
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OHCI_CSR_WRITE(&sc->sc_sc, OHCI_REG_IntMaskClear,
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OHCI_Int_MasterEnable);
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/* Enable the device. */
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csr = cardbus_conf_read(cc, cf, ca->ca_tag,
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CARDBUS_COMMAND_STATUS_REG);
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cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG,
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csr | CARDBUS_COMMAND_MASTER_ENABLE | CARDBUS_COMMAND_MEM_ENABLE);
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#if BYTE_ORDER == BIG_ENDIAN
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csr = cardbus_conf_read(cc, cf, ca->ca_tag,
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CARDBUS_OHCI_CONTROL_REGISTER);
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cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_OHCI_CONTROL_REGISTER,
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csr | CARDBUS_GLOBAL_SWAP_BE);
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#endif
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sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline,
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IPL_BIO, fwohci_intr, sc);
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if (sc->sc_ih == NULL) {
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printf("%s: couldn't establish interrupt\n", devname);
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return;
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}
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printf("%s: interrupting at %d\n", devname, ca->ca_intrline);
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/* XXX NULL should be replaced by some call to Cardbus coed */
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if (fwohci_init(&sc->sc_sc, NULL) != 0) {
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cardbus_intr_disestablish(cc, cf, sc->sc_ih);
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bus_space_unmap(sc->sc_sc.sc_memt, sc->sc_sc.sc_memh,
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sc->sc_sc.sc_memsize);
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}
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}
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int
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fwohci_cardbus_detach(struct device *self, int flags)
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{
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struct fwohci_cardbus_softc *sc = (struct fwohci_cardbus_softc *)self;
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cardbus_devfunc_t ct = sc->sc_ct;
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int rv;
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rv = fwohci_detach(&sc->sc_sc, flags);
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if (rv)
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return (rv);
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if (sc->sc_ih != NULL) {
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cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih);
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sc->sc_ih = NULL;
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}
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if (sc->sc_sc.sc_memsize) {
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Cardbus_mapreg_unmap(ct, CARDBUS_OHCI_MAP_REGISTER,
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sc->sc_sc.sc_memt, sc->sc_sc.sc_memh,
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sc->sc_sc.sc_memsize);
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sc->sc_sc.sc_memsize = 0;
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}
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return (0);
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}
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