10d163575Sopenharmony_ci/*-
2 * Copyright (c) 2013 Hans Petter Selasky. All rights reserved.
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 AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#include "implementation/global_implementation.h"
27
28#ifdef LOSCFG_DRIVERS_USB_HOST_DRIVER
29extern volatile uint8_t g_device_is_ready;
30#endif
31
32#undef USB_DEBUG_VAR
33#define	USB_DEBUG_VAR usb_debug
34
35/*------------------------------------------------------------------------*
36 * Implementation of mutex API
37 *------------------------------------------------------------------------*/
38
39struct mtx Giant = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
40struct mtx Gcall = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
41
42/*------------------------------------------------------------------------*
43 * Implementation of device API
44 *------------------------------------------------------------------------*/
45
46#ifdef LOSCFG_USB_DEBUG
47static uint8_t
48devclass_equal(const char *a, const char *b)
49{
50	char ta, tb;
51
52	if (a == b)
53		return (1);
54	if(!a || !b)
55		return (0);
56	while (1) {
57		ta = *a;
58		tb = *b;
59		if (ta != tb)
60			return (0);
61		if (ta == 0)
62			break;
63		a++;
64		b++;
65	}
66	return (1);
67}
68
69static TAILQ_HEAD(, debug_module_data) debug_module_head =
70	    TAILQ_HEAD_INITIALIZER(debug_module_head);
71
72void
73debug_module_register(void *data)
74{
75	struct debug_module_data *mdata = data;
76	TAILQ_INSERT_TAIL(&debug_module_head, mdata, entry);
77}
78
79void
80debug_module_unregister(void *data)
81{
82	struct debug_module_data *mdata = data;
83	TAILQ_REMOVE(&debug_module_head, mdata, entry);
84}
85
86struct debug_module_data *
87get_debug_module(const char *modname)
88{
89	static struct debug_module_data *mod;
90
91	TAILQ_FOREACH(mod, &debug_module_head, entry) {
92		if (devclass_equal(mod->mod_name, modname)) {
93			return (mod);
94		}
95	}
96	return (NULL);
97}
98
99void
100debug_module_dump(void)
101{
102	const struct debug_module_data *mod;
103
104	TAILQ_FOREACH(mod, &debug_module_head, entry) {
105		PRINTK("%s\n", mod->mod_name);
106	}
107}
108#endif
109#undef USB_DEBUG_VAR
110