]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | #ifndef _LINUX_FIRMWARE_H |
2 | #define _LINUX_FIRMWARE_H | |
5658c769 | 3 | |
1da177e4 LT |
4 | #include <linux/module.h> |
5 | #include <linux/types.h> | |
5658c769 DW |
6 | #include <linux/compiler.h> |
7 | ||
1da177e4 | 8 | #define FIRMWARE_NAME_MAX 30 |
6e3eaab0 AS |
9 | #define FW_ACTION_NOHOTPLUG 0 |
10 | #define FW_ACTION_HOTPLUG 1 | |
11 | ||
1da177e4 LT |
12 | struct firmware { |
13 | size_t size; | |
b7a39bd0 | 14 | const u8 *data; |
1da177e4 | 15 | }; |
fbab976d | 16 | |
1da177e4 | 17 | struct device; |
fbab976d | 18 | |
5658c769 DW |
19 | struct builtin_fw { |
20 | char *name; | |
21 | void *data; | |
22 | unsigned long size; | |
23 | }; | |
24 | ||
25 | /* We have to play tricks here much like stringify() to get the | |
26 | __COUNTER__ macro to be expanded as we want it */ | |
27 | #define __fw_concat1(x, y) x##y | |
28 | #define __fw_concat(x, y) __fw_concat1(x, y) | |
29 | ||
30 | #define DECLARE_BUILTIN_FIRMWARE(name, blob) \ | |
31 | DECLARE_BUILTIN_FIRMWARE_SIZE(name, &(blob), sizeof(blob)) | |
32 | ||
33 | #define DECLARE_BUILTIN_FIRMWARE_SIZE(name, blob, size) \ | |
34 | static const struct builtin_fw __fw_concat(__builtin_fw,__COUNTER__) \ | |
35 | __used __section(.builtin_fw) = { name, blob, size } | |
36 | ||
69d44a18 | 37 | #if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE)) |
1da177e4 LT |
38 | int request_firmware(const struct firmware **fw, const char *name, |
39 | struct device *device); | |
40 | int request_firmware_nowait( | |
312c004d | 41 | struct module *module, int uevent, |
1da177e4 LT |
42 | const char *name, struct device *device, void *context, |
43 | void (*cont)(const struct firmware *fw, void *context)); | |
44 | ||
45 | void release_firmware(const struct firmware *fw); | |
fbab976d JB |
46 | #else |
47 | static inline int request_firmware(const struct firmware **fw, | |
48 | const char *name, | |
49 | struct device *device) | |
50 | { | |
51 | return -EINVAL; | |
52 | } | |
53 | static inline int request_firmware_nowait( | |
54 | struct module *module, int uevent, | |
55 | const char *name, struct device *device, void *context, | |
56 | void (*cont)(const struct firmware *fw, void *context)) | |
57 | { | |
58 | return -EINVAL; | |
59 | } | |
60 | ||
61 | static inline void release_firmware(const struct firmware *fw) | |
62 | { | |
63 | } | |
64 | #endif | |
65 | ||
1da177e4 | 66 | #endif |