xref: /freebsd/sys/dev/usb/template/usb_template.h (revision 884a2a699669ec61e2366e3e358342dbc94be24a)
1 /* $FreeBSD$ */
2 /*-
3  * Copyright (c) 2007 Hans Petter Selasky <hselasky@FreeBSD.org>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 /* USB templates are used to build up real USB descriptors */
29 
30 #ifndef _USB_TEMPLATE_H_
31 #define	_USB_TEMPLATE_H_
32 
33 typedef const void *(usb_temp_get_string_desc_t)(uint16_t lang_id, uint8_t string_index);
34 typedef const void *(usb_temp_get_vendor_desc_t)(const struct usb_device_request *req, uint16_t *plen);
35 
36 struct usb_temp_packet_size {
37 	uint16_t mps[USB_SPEED_MAX];
38 };
39 
40 struct usb_temp_interval {
41 	uint8_t	bInterval[USB_SPEED_MAX];
42 };
43 
44 struct usb_temp_endpoint_desc {
45 	const void **ppRawDesc;
46 	const struct usb_temp_packet_size *pPacketSize;
47 	const struct usb_temp_interval *pIntervals;
48 	/*
49 	 * If (bEndpointAddress & UE_ADDR) is non-zero the endpoint number
50 	 * is pre-selected for this endpoint descriptor. Else an endpoint
51 	 * number is automatically chosen.
52 	 */
53 	uint8_t	bEndpointAddress;	/* UE_DIR_IN or UE_DIR_OUT */
54 	uint8_t	bmAttributes;
55 };
56 
57 struct usb_temp_interface_desc {
58 	const void **ppRawDesc;
59 	const struct usb_temp_endpoint_desc **ppEndpoints;
60 	uint8_t	bInterfaceClass;
61 	uint8_t	bInterfaceSubClass;
62 	uint8_t	bInterfaceProtocol;
63 	uint8_t	iInterface;
64 	uint8_t	isAltInterface;
65 };
66 
67 struct usb_temp_config_desc {
68 	const struct usb_temp_interface_desc **ppIfaceDesc;
69 	uint8_t	bmAttributes;
70 	uint8_t	bMaxPower;
71 	uint8_t	iConfiguration;
72 };
73 
74 struct usb_temp_device_desc {
75 	usb_temp_get_string_desc_t *getStringDesc;
76 	usb_temp_get_vendor_desc_t *getVendorDesc;
77 	const struct usb_temp_config_desc **ppConfigDesc;
78 	uint16_t idVendor;
79 	uint16_t idProduct;
80 	uint16_t bcdDevice;
81 	uint8_t	bDeviceClass;
82 	uint8_t	bDeviceSubClass;
83 	uint8_t	bDeviceProtocol;
84 	uint8_t	iManufacturer;
85 	uint8_t	iProduct;
86 	uint8_t	iSerialNumber;
87 };
88 
89 struct usb_temp_data {
90 	const struct usb_temp_device_desc *tdd;
91 	struct usb_device_descriptor udd;	/* device descriptor */
92 	struct usb_device_qualifier udq;	/* device qualifier */
93 };
94 
95 /* prototypes */
96 
97 extern const struct usb_temp_device_desc usb_template_cdce;
98 extern const struct usb_temp_device_desc usb_template_msc;	/* Mass Storage Class */
99 extern const struct usb_temp_device_desc usb_template_mtp;	/* Message Transfer
100 								 * Protocol */
101 usb_error_t	usb_temp_setup(struct usb_device *,
102 		    const struct usb_temp_device_desc *);
103 void	usb_temp_unsetup(struct usb_device *);
104 
105 #endif					/* _USB_TEMPLATE_H_ */
106