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Diffstat (limited to 'sys/dev/usb/usb_sw_transfer.h')
-rw-r--r-- | sys/dev/usb/usb_sw_transfer.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/sys/dev/usb/usb_sw_transfer.h b/sys/dev/usb/usb_sw_transfer.h new file mode 100644 index 0000000..d2da0eb --- /dev/null +++ b/sys/dev/usb/usb_sw_transfer.h @@ -0,0 +1,62 @@ +/* $FreeBSD$ */ +/*- + * 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_SW_TRANSFER_H_ +#define _USB2_SW_TRANSFER_H_ + +/* Software transfer function state argument values */ + +enum { + USB_SW_TR_SETUP, + USB_SW_TR_STATUS, + USB_SW_TR_PRE_DATA, + USB_SW_TR_POST_DATA, + USB_SW_TR_PRE_CALLBACK, +}; + +struct usb2_sw_transfer; + +typedef void (usb2_sw_transfer_func_t)(struct usb2_xfer *, struct usb2_sw_transfer *); + +/* + * The following structure is used to keep the state of a standard + * root transfer. + */ +struct usb2_sw_transfer { + struct usb2_device_request req; + struct usb2_xfer *xfer; + uint8_t *ptr; + uint16_t len; + uint8_t state; + usb2_error_t err; +}; + +/* prototypes */ + +void usb2_sw_transfer(struct usb2_sw_transfer *std, + usb2_sw_transfer_func_t *func); + +#endif /* _USB2_SW_TRANSFER_H_ */ |