xref: /freebsd/sys/dev/usb/usbdi_util.h (revision 81ad6265)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2009 Andrew Thompson
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 ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 #ifndef _USB_USBDI_UTIL_H_
29 #define _USB_USBDI_UTIL_H_
30 
31 struct cv;
32 
33 /* structures */
34 
35 struct usb_idesc_parse_state {
36 	struct usb_descriptor *desc;
37 	uint8_t iface_index;		/* current interface index */
38 	uint8_t iface_no_last;
39 	uint8_t iface_index_alt;	/* current alternate setting */
40 };
41 
42 /* prototypes */
43 
44 usb_error_t usbd_do_request_proc(struct usb_device *udev, struct usb_process *pproc,
45 		    struct usb_device_request *req, void *data, uint16_t flags,
46 		    uint16_t *actlen, usb_timeout_t timeout);
47 
48 struct usb_descriptor *usb_desc_foreach(struct usb_config_descriptor *cd,
49 	    struct usb_descriptor *desc);
50 struct usb_interface_descriptor *usb_idesc_foreach(
51 	    struct usb_config_descriptor *cd,
52 	    struct usb_idesc_parse_state *ps);
53 struct usb_endpoint_descriptor *usb_edesc_foreach(
54 	    struct usb_config_descriptor *cd,
55 	    struct usb_endpoint_descriptor *ped);
56 struct usb_endpoint_ss_comp_descriptor *usb_ed_comp_foreach(
57 	    struct usb_config_descriptor *cd,
58 	    struct usb_endpoint_ss_comp_descriptor *ped);
59 uint8_t usbd_get_no_descriptors(struct usb_config_descriptor *cd,
60 	    uint8_t type);
61 uint8_t usbd_get_no_alts(struct usb_config_descriptor *cd,
62 	    struct usb_interface_descriptor *id);
63 
64 usb_error_t usbd_req_get_report(struct usb_device *udev, struct mtx *mtx,
65 		    void *data, uint16_t len, uint8_t iface_index, uint8_t type,
66 		    uint8_t id);
67 usb_error_t usbd_req_get_report_descriptor(struct usb_device *udev,
68 		    struct mtx *mtx, void *d, uint16_t size,
69 		    uint8_t iface_index);
70 usb_error_t usbd_req_get_string_any(struct usb_device *udev, struct mtx *mtx,
71 		    char *buf, uint16_t len, uint8_t string_index);
72 usb_error_t usbd_req_get_string_desc(struct usb_device *udev, struct mtx *mtx,
73 		    void *sdesc, uint16_t max_len, uint16_t lang_id,
74 		    uint8_t string_index);
75 usb_error_t usbd_req_set_config(struct usb_device *udev, struct mtx *mtx,
76 		    uint8_t conf);
77 usb_error_t usbd_req_set_alt_interface_no(struct usb_device *udev,
78 		    struct mtx *mtx, uint8_t iface_index, uint8_t alt_no);
79 usb_error_t usbd_req_set_idle(struct usb_device *udev, struct mtx *mtx,
80 		    uint8_t iface_index, uint8_t duration, uint8_t id);
81 usb_error_t usbd_req_set_protocol(struct usb_device *udev, struct mtx *mtx,
82 		    uint8_t iface_index, uint16_t report);
83 usb_error_t usbd_req_set_report(struct usb_device *udev, struct mtx *mtx,
84 		    void *data, uint16_t len, uint8_t iface_index,
85 		    uint8_t type, uint8_t id);
86 
87 /* The following functions will not return NULL strings. */
88 
89 const char *usb_get_manufacturer(struct usb_device *);
90 const char *usb_get_product(struct usb_device *);
91 const char *usb_get_serial(struct usb_device *);
92 
93 #endif /* _USB_USBDI_UTIL_H_ */
94