Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Misc and compatibility things | |
c1017a4c | 3 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
1da177e4 LT |
4 | * |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
1da177e4 | 22 | #include <linux/init.h> |
31623caa | 23 | #include <linux/moduleparam.h> |
1da177e4 | 24 | #include <linux/time.h> |
5a0e3ad6 | 25 | #include <linux/slab.h> |
b1d5776d | 26 | #include <linux/ioport.h> |
1da177e4 LT |
27 | #include <sound/core.h> |
28 | ||
36ce99c1 TI |
29 | #ifdef CONFIG_SND_DEBUG |
30 | ||
31 | #ifdef CONFIG_SND_DEBUG_VERBOSE | |
32 | #define DEFAULT_DEBUG_LEVEL 2 | |
33 | #else | |
34 | #define DEFAULT_DEBUG_LEVEL 1 | |
35 | #endif | |
36 | ||
37 | static int debug = DEFAULT_DEBUG_LEVEL; | |
38 | module_param(debug, int, 0644); | |
39 | MODULE_PARM_DESC(debug, "Debug level (0 = disable)"); | |
40 | ||
41 | #endif /* CONFIG_SND_DEBUG */ | |
42 | ||
b1d5776d TI |
43 | void release_and_free_resource(struct resource *res) |
44 | { | |
45 | if (res) { | |
46 | release_resource(res); | |
e38e0cfa | 47 | kfree(res); |
b1d5776d TI |
48 | } |
49 | } | |
50 | ||
c0d3fb39 TI |
51 | EXPORT_SYMBOL(release_and_free_resource); |
52 | ||
1da177e4 | 53 | #ifdef CONFIG_SND_VERBOSE_PRINTK |
36ce99c1 | 54 | /* strip the leading path if the given path is absolute */ |
1b0053a0 | 55 | static const char *sanity_file_name(const char *path) |
1da177e4 | 56 | { |
1b0053a0 TI |
57 | if (*path == '/') |
58 | return strrchr(path, '/') + 1; | |
59 | else | |
60 | return path; | |
61 | } | |
1da177e4 LT |
62 | #endif |
63 | ||
36ce99c1 TI |
64 | #if defined(CONFIG_SND_DEBUG) || defined(CONFIG_SND_VERBOSE_PRINTK) |
65 | void __snd_printk(unsigned int level, const char *path, int line, | |
66 | const char *format, ...) | |
1da177e4 LT |
67 | { |
68 | va_list args; | |
890ee02a TI |
69 | #ifdef CONFIG_SND_VERBOSE_PRINTK |
70 | struct va_format vaf; | |
71 | char verbose_fmt[] = KERN_DEFAULT "ALSA %s:%d %pV"; | |
72 | #endif | |
73 | ||
36ce99c1 TI |
74 | #ifdef CONFIG_SND_DEBUG |
75 | if (debug < level) | |
76 | return; | |
77 | #endif | |
890ee02a | 78 | |
1da177e4 | 79 | va_start(args, format); |
890ee02a TI |
80 | #ifdef CONFIG_SND_VERBOSE_PRINTK |
81 | vaf.fmt = format; | |
82 | vaf.va = &args; | |
83 | if (format[0] == '<' && format[2] == '>') { | |
84 | memcpy(verbose_fmt, format, 3); | |
85 | vaf.fmt = format + 3; | |
86 | } else if (level) | |
87 | memcpy(verbose_fmt, KERN_DEBUG, 3); | |
88 | printk(verbose_fmt, sanity_file_name(path), line, &vaf); | |
89 | #else | |
1da177e4 | 90 | vprintk(format, args); |
890ee02a | 91 | #endif |
1da177e4 | 92 | va_end(args); |
1da177e4 | 93 | } |
36ce99c1 | 94 | EXPORT_SYMBOL_GPL(__snd_printk); |
1da177e4 | 95 | #endif |
d9ea472c TI |
96 | |
97 | #ifdef CONFIG_PCI | |
98 | #include <linux/pci.h> | |
99 | /** | |
d1458279 TI |
100 | * snd_pci_quirk_lookup_id - look up a PCI SSID quirk list |
101 | * @vendor: PCI SSV id | |
102 | * @device: PCI SSD id | |
d9ea472c TI |
103 | * @list: quirk list, terminated by a null entry |
104 | * | |
105 | * Look through the given quirk list and finds a matching entry | |
106 | * with the same PCI SSID. When subdevice is 0, all subdevice | |
107 | * values may match. | |
108 | * | |
109 | * Returns the matched entry pointer, or NULL if nothing matched. | |
110 | */ | |
111 | const struct snd_pci_quirk * | |
d1458279 TI |
112 | snd_pci_quirk_lookup_id(u16 vendor, u16 device, |
113 | const struct snd_pci_quirk *list) | |
d9ea472c TI |
114 | { |
115 | const struct snd_pci_quirk *q; | |
116 | ||
8bd4bb7a | 117 | for (q = list; q->subvendor; q++) { |
d1458279 | 118 | if (q->subvendor != vendor) |
8bd4bb7a TI |
119 | continue; |
120 | if (!q->subdevice || | |
d1458279 | 121 | (device & q->subdevice_mask) == q->subdevice) |
d9ea472c | 122 | return q; |
8bd4bb7a | 123 | } |
d9ea472c TI |
124 | return NULL; |
125 | } | |
d1458279 TI |
126 | EXPORT_SYMBOL(snd_pci_quirk_lookup_id); |
127 | ||
128 | /** | |
129 | * snd_pci_quirk_lookup - look up a PCI SSID quirk list | |
130 | * @pci: pci_dev handle | |
131 | * @list: quirk list, terminated by a null entry | |
132 | * | |
133 | * Look through the given quirk list and finds a matching entry | |
134 | * with the same PCI SSID. When subdevice is 0, all subdevice | |
135 | * values may match. | |
136 | * | |
137 | * Returns the matched entry pointer, or NULL if nothing matched. | |
138 | */ | |
139 | const struct snd_pci_quirk * | |
140 | snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list) | |
141 | { | |
142 | return snd_pci_quirk_lookup_id(pci->subsystem_vendor, | |
143 | pci->subsystem_device, | |
144 | list); | |
145 | } | |
d9ea472c TI |
146 | EXPORT_SYMBOL(snd_pci_quirk_lookup); |
147 | #endif |