/*	$FreeBSD: src/sys/dev/pci/ohci_pci.c,v 1.12 1999/01/13 01:05:43 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. *//* * 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/module.h>#include <sys/bus.h>#include <sys/device.h>#include <sys/proc.h>#include <sys/queue.h>#include <pci/pcivar.h>#include <pci/pcireg.h>#define PCI_CLASS_SERIALBUS                     0x0c000000#define PCI_SUBCLASS_COMMUNICATIONS_SERIAL      0x00000000#define PCI_SUBCLASS_SERIALBUS_FIREWIRE         0x00000000#define PCI_SUBCLASS_SERIALBUS_ACCESS           0x00010000#define PCI_SUBCLASS_SERIALBUS_SSA              0x00020000#define PCI_SUBCLASS_SERIALBUS_USB              0x00030000#define PCI_SUBCLASS_SERIALBUS_FIBER            0x00040000#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_INTERFACE(d)        (((d) >> 8) & 0xff)#define PCI_SUBCLASS(d)         ((d) & PCI_SUBCLASS_MASK)#define PCI_CLASS(d)            ((d) & PCI_CLASS_MASK)#define PCI_VENDOR(d)           ((d) & 0xffff)#define PCI_DEVICE(d)           (((d) >> 8) & 0xffff)#define PCI_OHCI_VENDORID_ALI		0x10b9#define PCI_OHCI_VENDORID_SIS		0x1039#define PCI_OHCI_DEVICEID_ALADDIN_V	0x523710b9static const char ohci_device_aladdin_v[] = "AcerLabs M5237 (Aladdin-V) USB Host Controller";static const char ohci_device_generic[] = "OHCI USB Host Controller (generic)";#define PCI_OHCI_BASE_REG	0x10static const char *ohci_pci_probe              __P((pcici_t, pcidi_t));static void ohci_pci_attach              __P((pcici_t, int));u_long ohci_count = 0;           /* global counter for nr. of devices found */static struct pci_device ohci_pci_device = {        "ohci",	ohci_pci_probe,	ohci_pci_attach,	&ohci_count,	NULL};DATA_SET(pcidevice_set, ohci_pci_device);static const char *ohci_pci_probe(pcici_t config_id, pcidi_t device_id){        u_int32_t class;	if (device_id == PCI_OHCI_DEVICEID_ALADDIN_V) {		return (ohci_device_aladdin_v);	} else {		class = pci_conf_read(config_id, PCI_CLASS_REG);		if (   (PCI_CLASS(class)     == PCI_CLASS_SERIALBUS)		    && (PCI_SUBCLASS(class)  == PCI_SUBCLASS_SERIALBUS_USB)		    && (PCI_INTERFACE(class) == PCI_INTERFACE_OHCI)) {			return(ohci_device_generic);		}	}	return NULL;	/* dunno */}static voidohci_pci_attach(pcici_t config_id, int unit){	int id;	usbd_status r;	ohci_softc_t *sc = NULL;	vm_offset_t pbase;	sc = malloc(sizeof(ohci_softc_t), M_DEVBUF, M_NOWAIT);	/* Do not free it below, intr might use the sc */	if ( sc == NULL ) {		printf("usb%d: could not allocate memory", unit);		return;	}	memset(sc, 0, sizeof(ohci_softc_t));	if(!pci_map_mem(config_id, PCI_CBMEM,           (vm_offset_t *)&sc->sc_iobase, &pbase)) {		printf("usb%d: could not map memory\n", unit);		return;        }	sc->unit      = unit;	if ( !pci_map_int(config_id, (pci_inthand_t *)ohci_intr,			  (void *) sc, &bio_imask)) {		printf("usb%d: could not map irq\n", unit);		return;                    	}	/* Figure out vendor for root hub descriptor. */	id = pci_conf_read(config_id, PCI_ID_REG);	if (PCI_VENDOR(id) == PCI_OHCI_VENDORID_ALI)		sprintf(sc->sc_vendor, "AcerLabs");	else if (PCI_VENDOR(id) == PCI_OHCI_VENDORID_SIS)		sprintf(sc->sc_vendor, "SiS");	else		sprintf(sc->sc_vendor, "(0x%04x)", PCI_VENDOR(id));	/* We add a child to the root bus. After PCI configuration	 * has completed the root bus will start to probe and	 * attach all the devices attached to it, including our new	 * kid.	 *	 * FIXME Sometime in the future the UHCI controller itself will	 * become a kid of PCI device and this device add will no longer	 * be necessary.	 *	 * See README for an elaborate description of the bus	 * structure in spe.	 */	sc->sc_bus.bdev = device_add_child(root_bus, "usb", unit, sc);	if (!sc->sc_bus.bdev) {		printf("%s%d: could not add USB device to root bus\n",			device_get_name(sc->sc_bus.bdev),			device_get_unit(sc->sc_bus.bdev));		return;	}	r = ohci_init(sc);	if (r != USBD_NORMAL_COMPLETION) {		printf("usb%d: init failed, error=%d\n", unit, r);		device_delete_child(root_bus, sc->sc_bus.bdev);		return;	}	switch(id) {	case PCI_OHCI_DEVICEID_ALADDIN_V:		device_set_desc(sc->sc_bus.bdev, ohci_device_aladdin_v);		break;	default:		printf("(New OHCI DeviceId=0x%08x)\n", id);		device_set_desc(sc->sc_bus.bdev, ohci_device_generic);	}	return;}