NetBSD/sys/dev/cardbus/fwohci_cardbus.c

189 lines
6.2 KiB
C

/* $NetBSD: fwohci_cardbus.c,v 1.5 2002/01/26 16:34:28 ichiro Exp $ */
/*-
* Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of 3am Software Foundry.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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>
__KERNEL_RCSID(0, "$NetBSD: fwohci_cardbus.c,v 1.5 2002/01/26 16:34:28 ichiro Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <sys/device.h>
#include <machine/bus.h>
#if defined pciinc
#include <dev/pci/pcidevs.h>
#endif
#include <dev/cardbus/cardbusvar.h>
#include <dev/cardbus/cardbusdevs.h>
#include <dev/ieee1394/ieee1394reg.h>
#include <dev/ieee1394/ieee1394var.h>
#include <dev/ieee1394/fwohcireg.h>
#include <dev/ieee1394/fwohcivar.h>
struct fwohci_cardbus_softc {
struct fwohci_softc sc_sc;
cardbus_chipset_tag_t sc_cc;
cardbus_function_tag_t sc_cf;
cardbus_devfunc_t sc_ct;
void *sc_ih;
};
static int fwohci_cardbus_match(struct device *, struct cfdata *, void *);
static void fwohci_cardbus_attach(struct device *, struct device *, void *);
static int fwohci_cardbus_detach(struct device *, int);
struct cfattach fwohci_cardbus_ca = {
sizeof(struct fwohci_cardbus_softc), fwohci_cardbus_match, fwohci_cardbus_attach,
fwohci_cardbus_detach, fwohci_activate
};
#define CARDBUS_OHCI_MAP_REGISTER PCI_OHCI_MAP_REGISTER
#define CARDBUS_INTERFACE_OHCI PCI_INTERFACE_OHCI
#define cardbus_devinfo pci_devinfo
static int
fwohci_cardbus_match(struct device *parent, struct cfdata *match, void *aux)
{
struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux;
if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS &&
CARDBUS_SUBCLASS(ca->ca_class) ==
CARDBUS_SUBCLASS_SERIALBUS_FIREWIRE &&
CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_OHCI)
return 1;
return 0;
}
static void
fwohci_cardbus_attach(struct device *parent, struct device *self, void *aux)
{
struct cardbus_attach_args *ca = aux;
struct fwohci_cardbus_softc *sc = (struct fwohci_cardbus_softc *)self;
cardbus_devfunc_t ct = ca->ca_ct;
cardbus_chipset_tag_t cc = ct->ct_cc;
cardbus_function_tag_t cf = ct->ct_cf;
cardbusreg_t csr;
char devinfo[256];
const char *devname = self->dv_xname;
cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo);
printf(": %s (rev. 0x%02x)\n", devinfo,
CARDBUS_REVISION(ca->ca_class));
/* Map I/O registers */
if (Cardbus_mapreg_map(ct, CARDBUS_OHCI_MAP_REGISTER,
CARDBUS_MAPREG_TYPE_MEM, 0,
&sc->sc_sc.sc_memt, &sc->sc_sc.sc_memh,
NULL, &sc->sc_sc.sc_memsize)) {
printf("%s: can't map OHCI register space\n", devname);
return;
}
sc->sc_cc = cc;
sc->sc_cf = cf;
sc->sc_ct = ct;
sc->sc_sc.sc_dmat = ca->ca_dmat;
#if rbus
#else
XXX (ct->ct_cf->cardbus_mem_open)(cc, 0, iob, iob + 0x40);
#endif
(ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
(ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
/* Disable interrupts, so we don't get any spurious ones. */
OHCI_CSR_WRITE(&sc->sc_sc, OHCI_REG_IntMaskClear,
OHCI_Int_MasterEnable);
/* Enable the device. */
csr = cardbus_conf_read(cc, cf, ca->ca_tag,
CARDBUS_COMMAND_STATUS_REG);
cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG,
csr | CARDBUS_COMMAND_MASTER_ENABLE | CARDBUS_COMMAND_MEM_ENABLE);
#if BYTE_ORDER == BIG_ENDIAN
csr = cardbus_conf_read(cc, cf, ca->ca_tag,
CARDBUS_OHCI_CONTROL_REGISTER);
cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_OHCI_CONTROL_REGISTER,
csr | CARDBUS_GLOBAL_SWAP_BE);
#endif
sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline,
IPL_BIO, fwohci_intr, sc);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt\n", devname);
return;
}
printf("%s: interrupting at %d\n", devname, ca->ca_intrline);
/* XXX NULL should be replaced by some call to Cardbus coed */
if (fwohci_init(&sc->sc_sc, NULL) != 0) {
cardbus_intr_disestablish(cc, cf, sc->sc_ih);
bus_space_unmap(sc->sc_sc.sc_memt, sc->sc_sc.sc_memh,
sc->sc_sc.sc_memsize);
}
}
int
fwohci_cardbus_detach(struct device *self, int flags)
{
struct fwohci_cardbus_softc *sc = (struct fwohci_cardbus_softc *)self;
cardbus_devfunc_t ct = sc->sc_ct;
int rv;
rv = fwohci_detach(&sc->sc_sc, flags);
if (rv)
return (rv);
if (sc->sc_ih != NULL) {
cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih);
sc->sc_ih = NULL;
}
if (sc->sc_sc.sc_memsize) {
Cardbus_mapreg_unmap(ct, CARDBUS_OHCI_MAP_REGISTER,
sc->sc_sc.sc_memt, sc->sc_sc.sc_memh,
sc->sc_sc.sc_memsize);
sc->sc_sc.sc_memsize = 0;
}
return (0);
}