diff options
Diffstat (limited to 'sys/dev/usb2/controller/usb2_bus.h')
| -rw-r--r-- | sys/dev/usb2/controller/usb2_bus.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/sys/dev/usb2/controller/usb2_bus.h b/sys/dev/usb2/controller/usb2_bus.h new file mode 100644 index 000000000000..cfe98f7c64fb --- /dev/null +++ b/sys/dev/usb2/controller/usb2_bus.h @@ -0,0 +1,88 @@ +/* $FreeBSD$ */ +/*- + * Copyright (c) 2008 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. + */ + +#ifndef _USB2_BUS_H_ +#define _USB2_BUS_H_ + +/* + * The following structure defines the USB explore message sent to the + * USB explore process. + */ + +struct usb2_bus_msg { + struct usb2_proc_msg hdr; + struct usb2_bus *bus; +}; + +/* + * The following structure defines the USB statistics structure. + */ +struct usb2_bus_stat { + uint32_t uds_requests[4]; +}; + +/* + * The following structure defines an USB BUS. There is one USB BUS + * for every Host or Device controller. + */ +struct usb2_bus { + struct usb2_bus_stat stats_err; + struct usb2_bus_stat stats_ok; + struct usb2_process explore_proc; + struct usb2_bus_msg explore_msg[2]; + struct usb2_bus_msg detach_msg[2]; + struct mtx mtx; /* This mutex protects the USB + * hardware */ + struct usb2_perm perm; + struct usb2_xfer_queue intr_q; + + device_t bdev; /* filled by HC driver */ + + struct usb2_dma_parent_tag dma_parent_tag[1]; + struct usb2_dma_tag dma_tags[USB_BUS_DMA_TAG_MAX]; + + struct usb2_bus_methods *methods; /* filled by HC driver */ + struct usb2_device *devices[USB_MAX_DEVICES]; + + uint32_t uframe_usage[USB_HS_MICRO_FRAMES_MAX]; + uint32_t transfer_count[4]; + uint16_t isoc_time_last; /* in milliseconds */ + + uint8_t alloc_failed; /* Set if memory allocation failed. */ + uint8_t driver_added_refcount; /* Current driver generation count */ + uint8_t usbrev; /* USB revision. See "USB_REV_XXX". */ + + uint8_t devices_max; /* maximum number of USB devices */ + uint8_t do_probe; /* set if USB BUS should be re-probed */ + + union { + struct usb2_hw_ep_scratch hw_ep_scratch[1]; + struct usb2_temp_setup temp_setup[1]; + uint8_t data[128]; + } scratch[1]; +}; + +#endif /* _USB2_BUS_H_ */ |