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/* $OpenBSD: ohci_pci.c,v 1.1 1999/08/13 05:32:29 fgsch Exp $ */
/* $NetBSD: ohci_pci.c,v 1.9 1999/05/20 09:52:35 augustss Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (augustss@carlstedt.se) at
* Carlstedt Research & Technology.
*
* 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.
*/
/*
* USB Open Host Controller driver.
*
* OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
* USB spec: http://www.teleport.com/cgi-bin/mailmerge.cgi/~usb/cgiform.tpl
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/queue.h>
#include <machine/bus.h>
#include <dev/pci/pcivar.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdivar.h>
#include <dev/usb/usb_mem.h>
#include <dev/usb/ohcireg.h>
#include <dev/usb/ohcivar.h>
#if defined(__NetBSD__)
int ohci_pci_match __P((struct device *, struct cfdata *, void *));
#else
int ohci_pci_match __P((struct device *, void *, void *));
#endif
void ohci_pci_attach __P((struct device *, struct device *, void *));
struct cfattach ohci_pci_ca = {
sizeof(struct ohci_softc), ohci_pci_match, ohci_pci_attach
};
int
ohci_pci_match(parent, match, aux)
struct device *parent;
#if defined(__NetBSD__)
struct cfdata *match;
#else
void *match;
#endif
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_USB &&
PCI_INTERFACE(pa->pa_class) == PCI_INTERFACE_OHCI)
return 1;
return 0;
}
void
ohci_pci_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct ohci_softc *sc = (struct ohci_softc *)self;
struct pci_attach_args *pa = (struct pci_attach_args *)aux;
pci_chipset_tag_t pc = pa->pa_pc;
char const *intrstr;
pci_intr_handle_t ih;
pcireg_t csr;
char devinfo[256];
usbd_status r;
#if defined(__NetBSD__)
char *vendor;
#endif
pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));
/* Map I/O registers */
if (pci_mapreg_map(pa, PCI_CBMEM, PCI_MAPREG_TYPE_MEM, 0,
&sc->iot, &sc->ioh, NULL, NULL)) {
printf("%s: can't map mem space\n", sc->sc_bus.bdev.dv_xname);
return;
}
sc->sc_dmatag = pa->pa_dmat;
/* 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(pc, pa->pa_intrtag, pa->pa_intrpin,
pa->pa_intrline, &ih)) {
printf("%s: couldn't map interrupt\n",
sc->sc_bus.bdev.dv_xname);
return;
}
intrstr = pci_intr_string(pc, ih);
#if defined(__NetBSD__)
sc->sc_ih = pci_intr_establish(pc, ih, IPL_USB, ohci_intr, sc);
#else
sc->sc_ih = pci_intr_establish(pc, ih, IPL_USB, ohci_intr, sc,
sc->sc_bus.bdev.dv_xname);
#endif
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt",
sc->sc_bus.bdev.dv_xname);
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
printf("%s: interrupting at %s\n", sc->sc_bus.bdev.dv_xname, intrstr);
#if defined(__NetBSD__)
/* Figure out vendor for root hub descriptor. */
vendor = pci_findvendor(pa->pa_id);
sc->sc_id_vendor = PCI_VENDOR(pa->pa_id);
if (vendor)
strncpy(sc->sc_vendor, vendor, sizeof(sc->sc_vendor) - 1);
else
sprintf(sc->sc_vendor, "vendor 0x%04x", PCI_VENDOR(pa->pa_id));
#endif
r = ohci_init(sc);
if (r != USBD_NORMAL_COMPLETION) {
printf("%s: init failed, error=%d\n", sc->sc_bus.bdev.dv_xname,
r);
return;
}
/* Attach usb device. */
config_found((void *)sc, &sc->sc_bus, usbctlprint);
}
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