xref: /freebsd/sys/dev/usb/template/usb_template.h (revision e796cc77c586c2955b2f3940dbf4991b31e8d289)
1 /* $FreeBSD$ */
2 /*-
3  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4  *
5  * Copyright (c) 2007 Hans Petter Selasky <hselasky@FreeBSD.org>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 /* USB templates are used to build up real USB descriptors */
31 
32 #ifndef _USB_TEMPLATE_H_
33 #define	_USB_TEMPLATE_H_
34 
35 #ifndef USB_TEMPLATE_VENDOR
36 #define	USB_TEMPLATE_VENDOR	0x0001
37 #endif
38 
39 typedef const void *(usb_temp_get_string_desc_t)(uint16_t lang_id, uint8_t string_index);
40 typedef const void *(usb_temp_get_vendor_desc_t)(const struct usb_device_request *req, uint16_t *plen);
41 
42 struct usb_temp_packet_size {
43 	uint16_t mps[USB_SPEED_MAX];
44 };
45 
46 struct usb_temp_interval {
47 	uint8_t	bInterval[USB_SPEED_MAX];
48 };
49 
50 struct usb_temp_endpoint_desc {
51 	const void **ppRawDesc;
52 	const struct usb_temp_packet_size *pPacketSize;
53 	const struct usb_temp_interval *pIntervals;
54 	/*
55 	 * If (bEndpointAddress & UE_ADDR) is non-zero the endpoint number
56 	 * is pre-selected for this endpoint descriptor. Else an endpoint
57 	 * number is automatically chosen.
58 	 */
59 	uint8_t	bEndpointAddress;	/* UE_DIR_IN or UE_DIR_OUT */
60 	uint8_t	bmAttributes;
61 };
62 
63 struct usb_temp_interface_desc {
64 	const void **ppRawDesc;
65 	const struct usb_temp_endpoint_desc **ppEndpoints;
66 	uint8_t	bInterfaceClass;
67 	uint8_t	bInterfaceSubClass;
68 	uint8_t	bInterfaceProtocol;
69 	uint8_t	iInterface;
70 	uint8_t	isAltInterface;
71 };
72 
73 struct usb_temp_config_desc {
74 	const struct usb_temp_interface_desc **ppIfaceDesc;
75 	uint8_t	bmAttributes;
76 	uint8_t	bMaxPower;
77 	uint8_t	iConfiguration;
78 };
79 
80 struct usb_temp_device_desc {
81 	usb_temp_get_string_desc_t *getStringDesc;
82 	usb_temp_get_vendor_desc_t *getVendorDesc;
83 	const struct usb_temp_config_desc **ppConfigDesc;
84 	uint16_t idVendor;
85 	uint16_t idProduct;
86 	uint16_t bcdDevice;
87 	uint8_t	bDeviceClass;
88 	uint8_t	bDeviceSubClass;
89 	uint8_t	bDeviceProtocol;
90 	uint8_t	iManufacturer;
91 	uint8_t	iProduct;
92 	uint8_t	iSerialNumber;
93 };
94 
95 struct usb_temp_data {
96 	const struct usb_temp_device_desc *tdd;
97 	struct usb_device_descriptor udd;	/* device descriptor */
98 	struct usb_device_qualifier udq;	/* device qualifier */
99 };
100 
101 /* prototypes */
102 
103 extern struct usb_temp_device_desc usb_template_audio;
104 extern struct usb_temp_device_desc usb_template_cdce;
105 extern struct usb_temp_device_desc usb_template_kbd;
106 extern struct usb_temp_device_desc usb_template_modem;
107 extern struct usb_temp_device_desc usb_template_mouse;
108 extern struct usb_temp_device_desc usb_template_msc;
109 extern struct usb_temp_device_desc usb_template_mtp;
110 extern struct usb_temp_device_desc usb_template_phone;
111 extern struct usb_temp_device_desc usb_template_serialnet;
112 extern struct usb_temp_device_desc usb_template_midi;
113 
114 
115 void		usb_decode_str_desc(struct usb_string_descriptor *sd,
116 		    char *buf, size_t buflen);
117 usb_error_t	usb_temp_setup(struct usb_device *,
118 		    const struct usb_temp_device_desc *);
119 void		usb_temp_unsetup(struct usb_device *);
120 int		usb_temp_sysctl(SYSCTL_HANDLER_ARGS);
121 
122 SYSCTL_DECL(_hw_usb_templates);
123 
124 #endif					/* _USB_TEMPLATE_H_ */
125