xref: /freebsd/sys/dev/usb/usbdi_util.h (revision b1f9167f94059fd55c630891d359bcff987bd7eb)
1 /*-
2  * Copyright (c) 2009 Andrew Thompson
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23  *
24  * $FreeBSD$
25  */
26 #ifndef _USB_USBDI_UTIL_H_
27 #define _USB_USBDI_UTIL_H_
28 
29 struct cv;
30 
31 /* structures */
32 
33 struct usb_idesc_parse_state {
34 	struct usb_descriptor *desc;
35 	uint8_t iface_index;		/* current interface index */
36 	uint8_t iface_no_last;
37 	uint8_t iface_index_alt;	/* current alternate setting */
38 };
39 
40 /* prototypes */
41 
42 usb_error_t usbd_do_request_proc(struct usb_device *udev, struct usb_process *pproc,
43 		    struct usb_device_request *req, void *data, uint16_t flags,
44 		    uint16_t *actlen, usb_timeout_t timeout);
45 
46 struct usb_descriptor *usb_desc_foreach(struct usb_config_descriptor *cd,
47 	    struct usb_descriptor *desc);
48 struct usb_interface_descriptor *usb_idesc_foreach(
49 	    struct usb_config_descriptor *cd,
50 	    struct usb_idesc_parse_state *ps);
51 struct usb_endpoint_descriptor *usb_edesc_foreach(
52 	    struct usb_config_descriptor *cd,
53 	    struct usb_endpoint_descriptor *ped);
54 struct usb_endpoint_ss_comp_descriptor *usb_ed_comp_foreach(
55 	    struct usb_config_descriptor *cd,
56 	    struct usb_endpoint_ss_comp_descriptor *ped);
57 uint8_t usbd_get_no_descriptors(struct usb_config_descriptor *cd,
58 	    uint8_t type);
59 uint8_t usbd_get_no_alts(struct usb_config_descriptor *cd,
60 	    struct usb_interface_descriptor *id);
61 
62 usb_error_t usbd_req_get_report(struct usb_device *udev, struct mtx *mtx,
63 		    void *data, uint16_t len, uint8_t iface_index, uint8_t type,
64 		    uint8_t id);
65 usb_error_t usbd_req_get_report_descriptor(struct usb_device *udev,
66 		    struct mtx *mtx, void *d, uint16_t size,
67 		    uint8_t iface_index);
68 usb_error_t usbd_req_get_string_any(struct usb_device *udev, struct mtx *mtx,
69 		    char *buf, uint16_t len, uint8_t string_index);
70 usb_error_t usbd_req_get_string_desc(struct usb_device *udev, struct mtx *mtx,
71 		    void *sdesc, uint16_t max_len, uint16_t lang_id,
72 		    uint8_t string_index);
73 usb_error_t usbd_req_set_config(struct usb_device *udev, struct mtx *mtx,
74 		    uint8_t conf);
75 usb_error_t usbd_req_set_alt_interface_no(struct usb_device *udev,
76 		    struct mtx *mtx, uint8_t iface_index, uint8_t alt_no);
77 usb_error_t usbd_req_set_idle(struct usb_device *udev, struct mtx *mtx,
78 		    uint8_t iface_index, uint8_t duration, uint8_t id);
79 usb_error_t usbd_req_set_protocol(struct usb_device *udev, struct mtx *mtx,
80 		    uint8_t iface_index, uint16_t report);
81 usb_error_t usbd_req_set_report(struct usb_device *udev, struct mtx *mtx,
82 		    void *data, uint16_t len, uint8_t iface_index,
83 		    uint8_t type, uint8_t id);
84 
85 /* The following functions will not return NULL strings. */
86 
87 const char *usb_get_manufacturer(struct usb_device *);
88 const char *usb_get_product(struct usb_device *);
89 const char *usb_get_serial(struct usb_device *);
90 
91 #endif /* _USB_USBDI_UTIL_H_ */
92