NetBSD/sys/dev/cardbus/fwohci_cardbus.c

160 lines
4.9 KiB
C

/* $NetBSD: fwohci_cardbus.c,v 1.36 2016/07/14 04:19:26 msaitoh 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.
*
* 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 1.36 2016/07/14 04:19:26 msaitoh Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <sys/device.h>
#include <sys/select.h>
#include <sys/bus.h>
#if defined pciinc
#include <dev/pci/pcidevs.h>
#endif
#include <dev/cardbus/cardbusvar.h>
#include <dev/pci/pcidevs.h>
#include <dev/ieee1394/firewire.h>
#include <dev/ieee1394/firewirereg.h>
#include <dev/ieee1394/fwdma.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(device_t, cfdata_t, void *);
static void fwohci_cardbus_attach(device_t, device_t, void *);
static int fwohci_cardbus_detach(device_t, int);
CFATTACH_DECL_NEW(fwohci_cardbus, sizeof(struct fwohci_cardbus_softc),
fwohci_cardbus_match, fwohci_cardbus_attach, fwohci_cardbus_detach, NULL);
static int
fwohci_cardbus_match(device_t parent, cfdata_t match, void *aux)
{
struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux;
if (PCI_CLASS(ca->ca_class) == PCI_CLASS_SERIALBUS &&
PCI_SUBCLASS(ca->ca_class) ==
PCI_SUBCLASS_SERIALBUS_FIREWIRE &&
PCI_INTERFACE(ca->ca_class) == PCI_INTERFACE_OHCI)
return 1;
return 0;
}
static void
fwohci_cardbus_attach(device_t parent, device_t self, void *aux)
{
struct cardbus_attach_args *ca = aux;
struct fwohci_cardbus_softc *sc = device_private(self);
cardbus_devfunc_t ct = ca->ca_ct;
cardbus_chipset_tag_t cc = ct->ct_cc;
cardbus_function_tag_t cf = ct->ct_cf;
pcireg_t csr;
char devinfo[256];
pci_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo));
aprint_normal(": %s (rev. 0x%02x)\n", devinfo,
PCI_REVISION(ca->ca_class));
aprint_naive("\n");
fwohci_init(&sc->sc_sc);
/* Map I/O registers */
if (Cardbus_mapreg_map(ct, PCI_OHCI_MAP_REGISTER, PCI_MAPREG_TYPE_MEM,
0, &sc->sc_sc.bst, &sc->sc_sc.bsh, NULL, &sc->sc_sc.bssize)) {
aprint_error_dev(self, "can't map OHCI register space\n");
return;
}
sc->sc_sc.fc.dev = self;
sc->sc_sc.fc.dmat = ca->ca_dmat;
sc->sc_cc = cc;
sc->sc_cf = cf;
sc->sc_ct = ct;
/* Disable interrupts, so we don't get any spurious ones. */
OWRITE(&sc->sc_sc, FWOHCI_INTMASKCLR, OHCI_INT_EN);
/* Enable the device. */
csr = Cardbus_conf_read(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG);
Cardbus_conf_write(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG,
csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_MEM_ENABLE);
sc->sc_ih = Cardbus_intr_establish(ct, IPL_BIO, fwohci_intr, sc);
if (sc->sc_ih == NULL) {
aprint_error_dev(self, "couldn't establish interrupt\n");
return;
}
/* XXX NULL should be replaced by some call to Cardbus coed */
if (fwohci_attach(&sc->sc_sc) != 0) {
Cardbus_intr_disestablish(ct, sc->sc_ih);
sc->sc_ih = NULL;
}
}
int
fwohci_cardbus_detach(device_t self, int flags)
{
struct fwohci_cardbus_softc *sc = device_private(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, sc->sc_ih);
sc->sc_ih = NULL;
}
if (sc->sc_sc.bssize) {
Cardbus_mapreg_unmap(ct, PCI_OHCI_MAP_REGISTER,
sc->sc_sc.bst, sc->sc_sc.bsh,
sc->sc_sc.bssize);
sc->sc_sc.bssize = 0;
}
return (0);
}