xref: /freebsd/sys/dev/usb/usb_debug.h (revision 3f0164abf32b9b761e0a2cb4bdca3a8b84f156d4)
1 /* $FreeBSD$ */
2 /*-
3  * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 /* This file contains various factored out debug macros. */
28 
29 #ifndef _USB_DEBUG_H_
30 #define	_USB_DEBUG_H_
31 
32 /* Declare global USB debug variable. */
33 extern int usb_debug;
34 
35 /* Check if USB debugging is enabled. */
36 #ifdef USB_DEBUG_VAR
37 #ifdef USB_DEBUG
38 #define	DPRINTFN(n,fmt,...) do {		\
39   if ((USB_DEBUG_VAR) >= (n)) {			\
40     printf("%s: " fmt,				\
41 	   __FUNCTION__ ,##__VA_ARGS__);	\
42   }						\
43 } while (0)
44 #define	DPRINTF(...)	DPRINTFN(1, __VA_ARGS__)
45 #else
46 #define	DPRINTF(...) do { } while (0)
47 #define	DPRINTFN(...) do { } while (0)
48 #endif
49 #endif
50 
51 struct usb_interface;
52 struct usb_device;
53 struct usb_endpoint;
54 struct usb_xfer;
55 
56 void	usb_dump_iface(struct usb_interface *iface);
57 void	usb_dump_device(struct usb_device *udev);
58 void	usb_dump_queue(struct usb_endpoint *ep);
59 void	usb_dump_endpoint(struct usb_endpoint *ep);
60 void	usb_dump_xfer(struct usb_xfer *xfer);
61 
62 #ifdef USB_DEBUG
63 extern unsigned int usb_port_reset_delay;
64 extern unsigned int usb_port_root_reset_delay;
65 extern unsigned int usb_port_reset_recovery;
66 extern unsigned int usb_port_powerup_delay;
67 extern unsigned int usb_port_resume_delay;
68 extern unsigned int usb_set_address_settle;
69 extern unsigned int usb_resume_delay;
70 extern unsigned int usb_resume_wait;
71 extern unsigned int usb_resume_recovery;
72 extern unsigned int usb_extra_power_up_time;
73 #else
74 #define usb_port_reset_delay		USB_PORT_RESET_DELAY
75 #define usb_port_root_reset_delay	USB_PORT_ROOT_RESET_DELAY
76 #define usb_port_reset_recovery		USB_PORT_RESET_RECOVERY
77 #define usb_port_powerup_delay		USB_PORT_POWERUP_DELAY
78 #define usb_port_resume_delay		USB_PORT_RESUME_DELAY
79 #define usb_set_address_settle		USB_SET_ADDRESS_SETTLE
80 #define usb_resume_delay		USB_RESUME_DELAY
81 #define usb_resume_wait			USB_RESUME_WAIT
82 #define usb_resume_recovery		USB_RESUME_RECOVERY
83 #define usb_extra_power_up_time		USB_EXTRA_POWER_UP_TIME
84 #endif
85 
86 #endif					/* _USB_DEBUG_H_ */
87