9a8e0122d2
other modules can generate USB descriptors. - extend the vendor specific request function by one length pointer argument, because not all descriptors store the length in the first byte. For example HID descriptors. Submitted by: Hans Petter Selasky
106 lines
3.6 KiB
C
106 lines
3.6 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2007 Hans Petter Selasky <hselasky@FreeBSD.org>
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* 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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/* USB templates are used to build up real USB descriptors */
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#ifndef _USB_TEMPLATE_H_
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#define _USB_TEMPLATE_H_
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typedef const void *(usb_temp_get_string_desc_t)(uint16_t lang_id, uint8_t string_index);
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typedef const void *(usb_temp_get_vendor_desc_t)(const struct usb_device_request *req, uint16_t *plen);
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struct usb_temp_packet_size {
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uint16_t mps[USB_SPEED_MAX];
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};
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struct usb_temp_interval {
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uint8_t bInterval[USB_SPEED_MAX];
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};
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struct usb_temp_endpoint_desc {
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const void **ppRawDesc;
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const struct usb_temp_packet_size *pPacketSize;
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const struct usb_temp_interval *pIntervals;
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/*
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* If (bEndpointAddress & UE_ADDR) is non-zero the endpoint number
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* is pre-selected for this endpoint descriptor. Else an endpoint
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* number is automatically chosen.
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*/
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uint8_t bEndpointAddress; /* UE_DIR_IN or UE_DIR_OUT */
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uint8_t bmAttributes;
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};
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struct usb_temp_interface_desc {
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const void **ppRawDesc;
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const struct usb_temp_endpoint_desc **ppEndpoints;
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uint8_t bInterfaceClass;
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uint8_t bInterfaceSubClass;
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uint8_t bInterfaceProtocol;
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uint8_t iInterface;
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uint8_t isAltInterface;
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};
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struct usb_temp_config_desc {
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const struct usb_temp_interface_desc **ppIfaceDesc;
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uint8_t bmAttributes;
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uint8_t bMaxPower;
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uint8_t iConfiguration;
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};
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struct usb_temp_device_desc {
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usb_temp_get_string_desc_t *getStringDesc;
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usb_temp_get_vendor_desc_t *getVendorDesc;
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const struct usb_temp_config_desc **ppConfigDesc;
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uint16_t idVendor;
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uint16_t idProduct;
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uint16_t bcdDevice;
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uint8_t bDeviceClass;
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uint8_t bDeviceSubClass;
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uint8_t bDeviceProtocol;
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uint8_t iManufacturer;
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uint8_t iProduct;
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uint8_t iSerialNumber;
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};
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struct usb_temp_data {
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const struct usb_temp_device_desc *tdd;
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struct usb_device_descriptor udd; /* device descriptor */
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struct usb_device_qualifier udq; /* device qualifier */
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};
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/* prototypes */
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extern const struct usb_temp_device_desc usb_template_cdce;
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extern const struct usb_temp_device_desc usb_template_msc; /* Mass Storage Class */
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extern const struct usb_temp_device_desc usb_template_mtp; /* Message Transfer
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* Protocol */
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usb_error_t usb_temp_setup(struct usb_device *,
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const struct usb_temp_device_desc *);
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void usb_temp_unsetup(struct usb_device *);
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#endif /* _USB_TEMPLATE_H_ */
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