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/* $FreeBSD$ */
/*
* 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
*/
/* The low level controller code for OHCI has been split into
* PCI probes and OHCI specific code. This was done to facilitate the
* sharing of code between *BSD's
*/
#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/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/ohcireg.h>
#include <dev/usb/ohcivar.h>
#define PCI_OHCI_VENDORID_ALI 0x10b9
#define PCI_OHCI_VENDORID_AMD756 0x1022
#define PCI_OHCI_VENDORID_CMDTECH 0x1095
#define PCI_OHCI_VENDORID_COMPAQ 0x0e11
#define PCI_OHCI_VENDORID_NEC 0x1033
#define PCI_OHCI_VENDORID_OPTI 0x1045
#define PCI_OHCI_VENDORID_SIS 0x1039
#define PCI_OHCI_DEVICEID_ALADDIN_V 0x523710b9
static const char *ohci_device_aladdin_v = "AcerLabs M5237 (Aladdin-V) USB controller";
#define PCI_OHCI_DEVICEID_AMD756 0x740c1022
static const char *ohci_device_amd756 = "AMD-756 USB Controller";
#define PCI_OHCI_DEVICEID_FIRELINK 0xc8611045
static const char *ohci_device_firelink = "OPTi 82C861 (FireLink) USB controller";
#define PCI_OHCI_DEVICEID_NEC 0x00351033
static const char *ohci_device_nec = "NEC uPD 9210 USB controller";
#define PCI_OHCI_DEVICEID_USB0670 0x06701095
static const char *ohci_device_usb0670 = "CMD Tech 670 (USB0670) USB controller";
#define PCI_OHCI_DEVICEID_USB0673 0x06731095
static const char *ohci_device_usb0673 = "CMD Tech 673 (USB0673) USB controller";
static const char *ohci_device_generic = "OHCI (generic) USB controller";
#define PCI_OHCI_BASE_REG 0x10
static const char *
ohci_pci_match(device_t self)
{
u_int32_t device_id = pci_get_devid(self);
switch(device_id) {
case PCI_OHCI_DEVICEID_ALADDIN_V:
return (ohci_device_aladdin_v);
case PCI_OHCI_DEVICEID_AMD756:
return (ohci_device_amd756);
case PCI_OHCI_DEVICEID_USB0670:
return (ohci_device_usb0670);
case PCI_OHCI_DEVICEID_USB0673:
return (ohci_device_usb0673);
case PCI_OHCI_DEVICEID_FIRELINK:
return (ohci_device_firelink);
case PCI_OHCI_DEVICEID_NEC:
return (ohci_device_nec);
default:
if ( pci_get_class(self) == PCIC_SERIALBUS
&& pci_get_subclass(self) == PCIS_SERIALBUS_USB
&& pci_get_progif(self) == PCI_INTERFACE_OHCI) {
return (ohci_device_generic);
}
}
return NULL; /* dunno */
}
static int
ohci_pci_probe(device_t self)
{
const char *desc = ohci_pci_match(self);
if (desc) {
device_set_desc(self, desc);
return 0;
} else {
return ENXIO;
}
}
static int
ohci_pci_attach(device_t self)
{
device_t parent = device_get_parent(self);
ohci_softc_t *sc = device_get_softc(self);
int err;
int rid;
struct resource *res;
void *ih;
int intr;
/* XXX where does it say so in the spec? */
sc->sc_bus.usbrev = USBREV_1_0;
rid = PCI_CBMEM;
res = bus_alloc_resource(self, SYS_RES_MEMORY, &rid,
0, ~0, 1, RF_ACTIVE);
if (!res) {
device_printf(self, "could not map memory\n");
return ENXIO;
}
sc->iot = rman_get_bustag(res);
sc->ioh = rman_get_bushandle(res);
rid = 0;
res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1,
RF_SHAREABLE | RF_ACTIVE);
if (res == NULL) {
device_printf(self, "could not allocate irq\n");
err = ENOMEM;
goto bad1;
}
sc->sc_bus.bdev = device_add_child(self, "usb", -1);
if (!sc->sc_bus.bdev) {
device_printf(self, "could not add USB device\n");
err = ENOMEM;
goto bad2;
}
device_set_ivars(sc->sc_bus.bdev, sc);
switch (pci_get_devid(self)) {
case PCI_OHCI_DEVICEID_ALADDIN_V:
device_set_desc(sc->sc_bus.bdev, ohci_device_aladdin_v);
sprintf(sc->sc_vendor, "AcerLabs");
break;
case PCI_OHCI_DEVICEID_AMD756:
device_set_desc(sc->sc_bus.bdev, ohci_device_amd756);
sprintf(sc->sc_vendor, "AMD");
break;
case PCI_OHCI_DEVICEID_FIRELINK:
device_set_desc(sc->sc_bus.bdev, ohci_device_firelink);
sprintf(sc->sc_vendor, "OPTi");
break;
case PCI_OHCI_DEVICEID_NEC:
device_set_desc(sc->sc_bus.bdev, ohci_device_nec);
sprintf(sc->sc_vendor, "NEC");
break;
case PCI_OHCI_DEVICEID_USB0670:
device_set_desc(sc->sc_bus.bdev, ohci_device_usb0670);
sprintf(sc->sc_vendor, "CMDTECH");
break;
case PCI_OHCI_DEVICEID_USB0673:
device_set_desc(sc->sc_bus.bdev, ohci_device_usb0673);
sprintf(sc->sc_vendor, "CMDTECH");
break;
default:
if (bootverbose)
device_printf(self, "(New OHCI DeviceId=0x%08x)\n",
pci_get_devid(self));
device_set_desc(sc->sc_bus.bdev, ohci_device_generic);
sprintf(sc->sc_vendor, "(unknown)");
}
intr = pci_read_config(self, PCIR_INTLINE, 1);
if (intr == 0 || intr == 255) {
device_printf(self, "Invalid irq %d\n", intr);
device_printf(self, "Please switch on USB support and switch PNP-OS to 'No' in BIOS\n");
err = ENXIO;
goto bad3;
}
err = BUS_SETUP_INTR(parent, self, res, INTR_TYPE_BIO,
(driver_intr_t *) ohci_intr, sc, &ih);
if (err) {
device_printf(self, "could not setup irq, %d\n", err);
goto bad3;
}
err = ohci_init(sc);
if (!err)
err = device_probe_and_attach(sc->sc_bus.bdev);
if (err) {
device_printf(self, "USB init failed\n");
err = EIO;
goto bad4;
}
return 0;
bad4:
/* disable interrupts that might have been switched on
* in ohci_init
*/
bus_space_write_4(sc->iot, sc->ioh,
OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS);
err = BUS_TEARDOWN_INTR(parent, self, res, ih);
if (err)
/* XXX or should we panic? */
device_printf(self, "could not tear down irq, %d\n", err);
bad3:
device_delete_child(self, sc->sc_bus.bdev);
bad2:
bus_delete_resource(self, SYS_RES_IOPORT, 0);
bad1:
bus_delete_resource(self, SYS_RES_MEMORY, PCI_CBMEM);
return err;
}
static device_method_t ohci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ohci_pci_probe),
DEVMETHOD(device_attach, ohci_pci_attach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
/* Bus interface */
DEVMETHOD(bus_print_child, bus_generic_print_child),
{ 0, 0 }
};
static driver_t ohci_driver = {
"ohci",
ohci_methods,
sizeof(ohci_softc_t),
};
static devclass_t ohci_devclass;
DRIVER_MODULE(ohci, pci, ohci_driver, ohci_devclass, 0, 0);
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