/* FreeBSD $Id: uhci_pci.c,v 1.5 1999/04/11 14:24:20 n_hibma 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.
*/
#include "opt_bus.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/queue.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <pci/pcivar.h>
#include <pci/pcireg.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/uhcireg.h>
#include <dev/usb/uhcivar.h>
#define PCI_UHCI_VENDORID_INTEL 0x8086
#define PCI_UHCI_VENDORID_VIA 0x1106
#define PCI_UHCI_DEVICEID_PIIX3 0x70208086ul
static const char *uhci_device_piix3 = "Intel 82371SB (PIIX3) USB Host Controller";
#define PCI_UHCI_DEVICEID_PIIX4 0x71128086ul
#define PCI_UHCI_DEVICEID_PIIX4E 0x71128086ul /* no separate step */
static const char *uhci_device_piix4 = "Intel 82371AB/EB (PIIX4) USB Host Controller";
#define PCI_UHCI_DEVICEID_VT83C572 0x30381106ul
static const char *uhci_device_vt83c572 = "VIA 83C572 USB Host Controller";
static const char *uhci_device_generic = "UHCI (generic) USB Controller";
#define PCI_UHCI_BASE_REG 0x20
static const char *
uhci_pci_match(device_t dev)
{
u_int32_t device_id = pci_get_devid(dev);
if (device_id == PCI_UHCI_DEVICEID_PIIX3) {
return (uhci_device_piix3);
} else if (device_id == PCI_UHCI_DEVICEID_PIIX4) {
return (uhci_device_piix4);
} else if (device_id == PCI_UHCI_DEVICEID_VT83C572) {
return (uhci_device_vt83c572);
} else {
if ( pci_get_class(dev) == PCIC_SERIALBUS
&& pci_get_subclass(dev) == PCIS_SERIALBUS_USB
&& pci_get_progif(dev) == PCI_INTERFACE_UHCI) {
return (uhci_device_generic);
}
}
return NULL; /* dunno... */
}
static int
uhci_pci_probe(device_t dev)
{
const char *desc = uhci_pci_match(dev);
if (desc) {
device_set_desc(dev, desc);
return 0;
} else {
return ENXIO;
}
}
static int
uhci_pci_attach(device_t dev)
{
int unit = device_get_unit(dev);
int legsup;
char *typestr;
usbd_status err;
device_t usbus;
uhci_softc_t *sc = device_get_softc(dev);
int rid;
struct resource *res;
void *ih;
int error;
rid = PCI_UHCI_BASE_REG;
res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
0, ~0, 1, RF_ACTIVE);
if (!res) {
device_printf(dev, "could not map ports\n");
return ENXIO;
}
sc->iot = rman_get_bustag(res);
sc->ioh = rman_get_bushandle(res);
rid = 0;
res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
RF_SHAREABLE | RF_ACTIVE);
if (res == NULL) {
device_printf(dev, "could not allocate irq\n");
return ENOMEM;
}
error = bus_setup_intr(dev, res, (driver_intr_t *) uhci_intr, sc, &ih);
if (error) {
device_printf(dev, "could not setup irq\n");
return error;
}
usbus = device_add_child(dev, "usb", -1, sc);
if (!usbus) {
printf("usb%d: could not add USB device\n", unit);
return ENOMEM;
}
switch (pci_get_devid(dev)) {
case PCI_UHCI_DEVICEID_PIIX3:
device_set_desc(usbus, uhci_device_piix3);
sprintf(sc->sc_vendor, "Intel");
break;
case PCI_UHCI_DEVICEID_PIIX4:
device_set_desc(usbus, uhci_device_piix4);
sprintf(sc->sc_vendor, "Intel");
break;
case PCI_UHCI_DEVICEID_VT83C572:
device_set_desc(usbus, uhci_device_vt83c572);
sprintf(sc->sc_vendor, "VIA");
break;
default:
printf("(New UHCI DeviceId=0x%08x)\n", pci_get_devid(dev));
device_set_desc(usbus, uhci_device_generic);
sprintf(sc->sc_vendor, "(0x%08x)", pci_get_devid(dev));
}
if (bootverbose) {
switch(pci_read_config(dev, PCI_USBREV, 4) & PCI_USBREV_MASK) {
case PCI_USBREV_PRE_1_0:
typestr = "pre 1.0";
break;
case PCI_USBREV_1_0:
typestr = "1.0";
break;
default:
typestr = "unknown";
break;
}
printf("uhci%d: USB version %s, chip rev. %d\n", unit, typestr,
pci_get_revid(dev));
}
legsup = pci_read_config(dev, PCI_LEGSUP, 4);
if ( !(legsup & PCI_LEGSUP_USBPIRQDEN) ) {
#if ! (defined(USBVERBOSE) || defined(USB_DEBUG))
if (bootverbose)
#endif
printf("uhci%d: PIRQD enable not set\n", unit);
legsup |= PCI_LEGSUP_USBPIRQDEN;
pci_write_config(dev, PCI_LEGSUP, legsup, 4);
}
sc->sc_bus.bdev = usbus;
err = uhci_init(sc);
if (err != USBD_NORMAL_COMPLETION) {
printf("uhci%d: init failed, error=%d\n", unit, err);
device_delete_child(dev, usbus);
}
return device_probe_and_attach(sc->sc_bus.bdev);
}
static device_method_t uhci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, uhci_pci_probe),
DEVMETHOD(device_attach, uhci_pci_attach),
/* Bus interface */
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
DEVMETHOD(bus_release_resource, bus_generic_release_resource),
DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
{ 0, 0 }
};
static driver_t uhci_driver = {
"uhci",
uhci_methods,
DRIVER_TYPE_BIO,
sizeof(uhci_softc_t),
};
static devclass_t uhci_devclass;
DRIVER_MODULE(uhci, pci, uhci_driver, uhci_devclass, 0, 0);
