150 lines
5.2 KiB
C
150 lines
5.2 KiB
C
/* $NetBSD: fwohci_pci.c,v 1.18 2003/01/31 00:07:42 thorpej Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2000 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_pci.c,v 1.18 2003/01/31 00:07:42 thorpej Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/device.h>
|
|
#include <sys/select.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <machine/intr.h>
|
|
|
|
#include <dev/pci/pcireg.h>
|
|
#include <dev/pci/pcivar.h>
|
|
#include <dev/ieee1394/ieee1394reg.h>
|
|
#include <dev/ieee1394/ieee1394var.h>
|
|
#include <dev/ieee1394/fwohcireg.h>
|
|
#include <dev/ieee1394/fwohcivar.h>
|
|
|
|
struct fwohci_pci_softc {
|
|
struct fwohci_softc psc_sc;
|
|
pci_chipset_tag_t psc_pc;
|
|
void *psc_ih;
|
|
};
|
|
|
|
static int fwohci_pci_match __P((struct device *, struct cfdata *, void *));
|
|
static void fwohci_pci_attach __P((struct device *, struct device *, void *));
|
|
|
|
CFATTACH_DECL(fwohci_pci, sizeof(struct fwohci_pci_softc),
|
|
fwohci_pci_match, fwohci_pci_attach, NULL, NULL);
|
|
|
|
static int
|
|
fwohci_pci_match(struct device *parent, struct cfdata *match, void *aux)
|
|
{
|
|
struct pci_attach_args *pa = (struct pci_attach_args *) aux;
|
|
|
|
if (PCI_CLASS(pa->pa_class) == PCI_CLASS_SERIALBUS &&
|
|
PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_SERIALBUS_FIREWIRE &&
|
|
PCI_INTERFACE(pa->pa_class) == PCI_INTERFACE_OHCI)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
fwohci_pci_attach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
struct pci_attach_args *pa = (struct pci_attach_args *) aux;
|
|
struct fwohci_pci_softc *psc = (struct fwohci_pci_softc *) self;
|
|
char devinfo[256];
|
|
char const *intrstr;
|
|
pci_intr_handle_t ih;
|
|
u_int32_t csr;
|
|
|
|
aprint_naive(": IEEE 1394 Controller\n");
|
|
|
|
pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
|
|
aprint_normal(": %s (rev. 0x%02x)\n", devinfo,
|
|
PCI_REVISION(pa->pa_class));
|
|
|
|
psc->psc_sc.sc_dmat = pa->pa_dmat;
|
|
psc->psc_pc = pa->pa_pc;
|
|
|
|
/* Map I/O registers */
|
|
if (pci_mapreg_map(pa, PCI_OHCI_MAP_REGISTER, PCI_MAPREG_TYPE_MEM, 0,
|
|
&psc->psc_sc.sc_memt, &psc->psc_sc.sc_memh,
|
|
NULL, &psc->psc_sc.sc_memsize)) {
|
|
aprint_error("%s: can't map OHCI register space\n",
|
|
self->dv_xname);
|
|
return;
|
|
}
|
|
|
|
/* Disable interrupts, so we don't get any spurious ones. */
|
|
OHCI_CSR_WRITE(&psc->psc_sc, OHCI_REG_IntMaskClear,
|
|
OHCI_Int_MasterEnable);
|
|
|
|
/* Enable the device. */
|
|
csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
|
|
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
|
|
csr | PCI_COMMAND_MASTER_ENABLE);
|
|
|
|
#if BYTE_ORDER == BIG_ENDIAN
|
|
csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_OHCI_CONTROL_REGISTER);
|
|
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_OHCI_CONTROL_REGISTER,
|
|
csr | PCI_GLOBAL_SWAP_BE);
|
|
#endif
|
|
|
|
/* Map and establish the interrupt. */
|
|
if (pci_intr_map(pa, &ih)) {
|
|
aprint_error("%s: couldn't map interrupt\n", self->dv_xname);
|
|
return;
|
|
}
|
|
intrstr = pci_intr_string(pa->pa_pc, ih);
|
|
psc->psc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, fwohci_intr,
|
|
&psc->psc_sc);
|
|
if (psc->psc_ih == NULL) {
|
|
aprint_error("%s: couldn't establish interrupt",
|
|
self->dv_xname);
|
|
if (intrstr != NULL)
|
|
aprint_normal(" at %s", intrstr);
|
|
aprint_normal("\n");
|
|
return;
|
|
}
|
|
aprint_normal("%s: interrupting at %s\n", self->dv_xname, intrstr);
|
|
|
|
if (fwohci_init(&psc->psc_sc, pci_intr_evcnt(pa->pa_pc, ih)) != 0) {
|
|
pci_intr_disestablish(pa->pa_pc, psc->psc_ih);
|
|
bus_space_unmap(psc->psc_sc.sc_memt, psc->psc_sc.sc_memh,
|
|
psc->psc_sc.sc_memsize);
|
|
}
|
|
}
|