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      1 /*	$NetBSD: usb_pci.c,v 1.9 2025/03/31 14:45:57 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Lennart Augustsson (lennart (at) augustsson.net).
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: usb_pci.c,v 1.9 2025/03/31 14:45:57 riastradh Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/kernel.h>
     37 #include <sys/proc.h>
     38 #include <sys/queue.h>
     39 #include <sys/systm.h>
     40 
     41 #include <dev/pci/pcivar.h>
     42 #include <dev/pci/usb_pci.h>
     43 
     44 #include <dev/usb/usb.h>
     45 #include <dev/usb/usb_mem.h>
     46 #include <dev/usb/usbdi.h>
     47 #include <dev/usb/usbdivar.h>
     48 
     49 #include <dev/usb/ehcireg.h>
     50 #include <dev/usb/ehcivar.h>
     51 
     52 struct usb_pci_alldevs ehci_pci_alldevs =
     53     TAILQ_HEAD_INITIALIZER(ehci_pci_alldevs);
     54 
     55 void
     56 usb_pci_add(struct usb_pci *up, struct pci_attach_args *pa, device_t bu)
     57 {
     58 
     59 	KASSERT(KERNEL_LOCKED_P()); /* XXXSMP ehci_pci_alldevs */
     60 
     61 	TAILQ_INSERT_TAIL(&ehci_pci_alldevs, up, next);
     62 	up->bus = pa->pa_bus;
     63 	up->device = pa->pa_device;
     64 	up->function = pa->pa_function;
     65 	up->usb = bu;
     66 }
     67 
     68 void
     69 usb_pci_rem(struct usb_pci *up)
     70 {
     71 
     72 	KASSERT(KERNEL_LOCKED_P()); /* XXXSMP ehci_pci_alldevs */
     73 
     74 	if (up->usb)
     75 		TAILQ_REMOVE(&ehci_pci_alldevs, up, next);
     76 }
     77