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/* $OpenBSD: fwlynx_pci.c,v 1.5 2004/10/01 04:08:46 jsg 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: fwlynx_pci.c,v 1.3 2001/11/15 09:48:12 lukem Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <sys/device.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/fwlynxreg.h>
#include <dev/ieee1394/fwlynxvar.h>
struct fwlynx_pci_softc {
struct fwlynx_softc psc_sc;
pci_chipset_tag_t psc_pc;
void *psc_ih;
};
static int fwlynx_pci_match(struct device *, struct cfdata *, void *);
static void fwlynx_pci_attach(struct device *, struct device *, void *);
struct cfattach fwlynx_pci_ca = {
sizeof(struct fwlynx_pci_softc), fwlynx_pci_match, fwlynx_pci_attach,
#if 0
fwlynx_pci_detach, fwlynx_activate
#endif
};
static int
fwlynx_pci_match(struct device *parent, struct cfdata *match, void *aux)
{
struct pci_attach_args *pa = (struct pci_attach_args *) aux;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_TI &&
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TI_TSB12LV21)
return 1;
return 0;
}
static void
fwlynx_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct pci_attach_args *pa = (struct pci_attach_args *) aux;
struct fwlynx_pci_softc *psc = (struct fwlynx_pci_softc *) self;
char const *intrstr;
pci_intr_handle_t ih;
u_int32_t csr;
#ifdef __NetBSD__
char devinfo[256];
pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof devinfo);
printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));
#endif
psc->psc_sc.sc_dmat = pa->pa_dmat;
psc->psc_pc = pa->pa_pc;
psc->psc_tag = pa->pa_tag;
/* Map I/O registers */
if (pci_mapreg_map(pa, PCI_LYNX_MAP_REGISTER, PCI_MAPREG_TYPE_MEM, 0,
&psc->psc_sc.sc_memt, &psc->psc_sc.sc_memh,
NULL, &psc->psc_sc.sc_memsize)) {
printf(": can't map register space\n");
return;
}
/* Disable interrupts, so we don't get any spurious ones. */
pci_conf_write(psc->psc_pc, psc->psc_tag, 0);
/* 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);
/* Map and establish the interrupt. */
if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
pa->pa_intrline, &ih)) {
printf(": couldn't map interrupt\n");
bus_space_unmap(psc->psc_sc.sc_memt, psc->psc_sc.sc_memh,
psc->psc_sc.sc_memsize);
return;
}
intrstr = pci_intr_string(pa->pa_pc, ih);
psc->psc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, fwlynx_intr, &psc->psc_sc);
if (psc->psc_ih == NULL) {
printf(": couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
bus_space_unmap(psc->psc_sc.sc_memt, psc->psc_sc.sc_memh,
psc->psc_sc.sc_memsize);
return;
}
printf(": %s\n", intrstr);
if (fwlynx_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);
}
}
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