freebsd-dev/sys/dev/usb/usb_hub_private.h
Takanori Watanabe e68fcc8875 Add ACPI support for USB driver.
This adds ACPI device path on devinfo(8) output and
show  value of _UPC(usb port capabilities), _PLD (physical location of device)
when hw.usb.debug >= 1 .

Reviewed by: hselasky
Differential Revision: https://reviews.freebsd.org/D20630
2019-06-17 23:03:30 +00:00

87 lines
2.7 KiB
C

/* $FreeBSD$ */
/*-
* SPDX-License-Identifier: BSD-2-Clause-NetBSD
*
* Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
* Copyright (c) 1998 Lennart Augustsson. All rights reserved.
* Copyright (c) 2008-2010 Hans Petter Selasky. All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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 spec: http://www.usb.org/developers/docs/usbspec.zip
*/
#ifndef USB_HUB_PRIVATE_H_
#define USB_HUB_PRIVATE_H_
#define UHUB_INTR_INTERVAL 250 /* ms */
enum {
UHUB_INTR_TRANSFER,
#if USB_HAVE_TT_SUPPORT
UHUB_RESET_TT_TRANSFER,
#endif
UHUB_N_TRANSFER,
};
struct uhub_current_state {
uint16_t port_change;
uint16_t port_status;
};
struct uhub_softc {
struct uhub_current_state sc_st; /* current state */
#if (USB_HAVE_FIXED_PORT != 0)
struct usb_hub sc_hub;
#endif
device_t sc_dev; /* base device */
struct mtx sc_mtx; /* our mutex */
struct usb_device *sc_udev; /* USB device */
struct usb_xfer *sc_xfer[UHUB_N_TRANSFER]; /* interrupt xfer */
#if USB_HAVE_DISABLE_ENUM
int sc_disable_enumeration;
int sc_disable_port_power;
#endif
uint8_t sc_usb_port_errors; /* error counter */
#define UHUB_USB_PORT_ERRORS_MAX 4
uint8_t sc_flags;
#define UHUB_FLAG_DID_EXPLORE 0x01
};
struct hub_result {
struct usb_device *udev;
uint8_t portno;
uint8_t iface_index;
};
void
uhub_find_iface_index(struct usb_hub *hub, device_t child,
struct hub_result *res);
device_probe_t uhub_probe;
device_attach_t uhub_attach;
device_detach_t uhub_detach;
bus_child_location_str_t uhub_child_location_string;
#endif