xref: /src/sys/dev/pci/usb_pci.c

/*	$NetBSD: usb_pci.c,v 1.9 2025/03/31 14:45:57 riastradh Exp $	*/

/*
 * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Lennart Augustsson (lennart (at) augustsson.net).
 *
 * 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.
 *
 * 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: usb_pci.c,v 1.9 2025/03/31 14:45:57 riastradh Exp $");

#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/queue.h>
#include <sys/systm.h>

#include <dev/pci/pcivar.h>
#include <dev/pci/usb_pci.h>

#include <dev/usb/usb.h>
#include <dev/usb/usb_mem.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdivar.h>

#include <dev/usb/ehcireg.h>
#include <dev/usb/ehcivar.h>

struct usb_pci_alldevs ehci_pci_alldevs =
    TAILQ_HEAD_INITIALIZER(ehci_pci_alldevs);

void
usb_pci_add(struct usb_pci *up, struct pci_attach_args *pa, device_t bu)
{

	KASSERT(KERNEL_LOCKED_P()); /* XXXSMP ehci_pci_alldevs */

	TAILQ_INSERT_TAIL(&ehci_pci_alldevs, up, next);
	up->bus = pa->pa_bus;
	up->device = pa->pa_device;
	up->function = pa->pa_function;
	up->usb = bu;
}

void
usb_pci_rem(struct usb_pci *up)
{

	KASSERT(KERNEL_LOCKED_P()); /* XXXSMP ehci_pci_alldevs */

	if (up->usb)
		TAILQ_REMOVE(&ehci_pci_alldevs, up, next);
}