82 lines
3.0 KiB
C
82 lines
3.0 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _USB_HUB_H_
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#define _USB_HUB_H_
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/*
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* The following structure defines an USB port.
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*/
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struct usb_port {
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uint8_t restartcnt;
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#define USB_RESTART_MAX 5
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uint8_t device_index; /* zero means not valid */
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enum usb_hc_mode usb_mode; /* host or device mode */
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#if USB_HAVE_TT_SUPPORT
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struct usb_device_request req_reset_tt __aligned(4);
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#endif
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};
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/*
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* The following structure defines an USB HUB.
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*/
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struct usb_hub {
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struct usb_device *hubudev; /* the HUB device */
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usb_error_t (*explore) (struct usb_device *hub);
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void *hubsoftc;
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#if USB_HAVE_TT_SUPPORT
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struct usb_udev_msg tt_msg[2];
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#endif
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usb_size_t uframe_usage[USB_HS_MICRO_FRAMES_MAX];
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uint16_t portpower; /* mA per USB port */
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uint8_t isoc_last_time;
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uint8_t nports;
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#if (USB_HAVE_FIXED_PORT == 0)
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struct usb_port ports[0];
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#else
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struct usb_port ports[USB_MAX_PORTS];
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#endif
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};
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/* function prototypes */
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void usb_hs_bandwidth_alloc(struct usb_xfer *xfer);
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void usb_hs_bandwidth_free(struct usb_xfer *xfer);
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void usb_bus_port_set_device(struct usb_bus *bus, struct usb_port *up,
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struct usb_device *udev, uint8_t device_index);
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struct usb_device *usb_bus_port_get_device(struct usb_bus *bus,
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struct usb_port *up);
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void usb_needs_explore(struct usb_bus *bus, uint8_t do_probe);
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void usb_needs_explore_all(void);
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void usb_bus_power_update(struct usb_bus *bus);
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void usb_bus_powerd(struct usb_bus *bus);
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void uhub_root_intr(struct usb_bus *, const uint8_t *, uint8_t);
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usb_error_t uhub_query_info(struct usb_device *, uint8_t *, uint8_t *);
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void uhub_explore_handle_re_enumerate(struct usb_device *);
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#endif /* _USB_HUB_H_ */
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