1 /*-
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
29 extern 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
39 struct mtx Giant = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
40 struct mtx Gcall = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
41
42 /*------------------------------------------------------------------------*
43 * Implementation of device API
44 *------------------------------------------------------------------------*/
45
46 #ifdef LOSCFG_USB_DEBUG
47 static uint8_t
devclass_equal(const char *a, const char *b)48 devclass_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
69 static TAILQ_HEAD(, debug_module_data) debug_module_head =
70 TAILQ_HEAD_INITIALIZER(debug_module_head);
71
72 void
debug_module_register(void *data)73 debug_module_register(void *data)
74 {
75 struct debug_module_data *mdata = data;
76 TAILQ_INSERT_TAIL(&debug_module_head, mdata, entry);
77 }
78
79 void
debug_module_unregister(void *data)80 debug_module_unregister(void *data)
81 {
82 struct debug_module_data *mdata = data;
83 TAILQ_REMOVE(&debug_module_head, mdata, entry);
84 }
85
86 struct debug_module_data *
get_debug_module(const char *modname)87 get_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
99 void
debug_module_dump(void)100 debug_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