Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef _LINUX_FIRMWARE_H |
2 | #define _LINUX_FIRMWARE_H | |
5658c769 | 3 | |
1da177e4 | 4 | #include <linux/types.h> |
5658c769 | 5 | #include <linux/compiler.h> |
9ebfbd45 | 6 | #include <linux/gfp.h> |
5658c769 | 7 | |
6e3eaab0 AS |
8 | #define FW_ACTION_NOHOTPLUG 0 |
9 | #define FW_ACTION_HOTPLUG 1 | |
10 | ||
1da177e4 LT |
11 | struct firmware { |
12 | size_t size; | |
b7a39bd0 | 13 | const u8 *data; |
dd336c55 | 14 | struct page **pages; |
1f2b7959 ML |
15 | |
16 | /* firmware loader private fields */ | |
17 | void *priv; | |
1da177e4 | 18 | }; |
fbab976d | 19 | |
de477254 | 20 | struct module; |
1da177e4 | 21 | struct device; |
fbab976d | 22 | |
5658c769 DW |
23 | struct builtin_fw { |
24 | char *name; | |
25 | void *data; | |
26 | unsigned long size; | |
27 | }; | |
28 | ||
29 | /* We have to play tricks here much like stringify() to get the | |
30 | __COUNTER__ macro to be expanded as we want it */ | |
31 | #define __fw_concat1(x, y) x##y | |
32 | #define __fw_concat(x, y) __fw_concat1(x, y) | |
33 | ||
34 | #define DECLARE_BUILTIN_FIRMWARE(name, blob) \ | |
35 | DECLARE_BUILTIN_FIRMWARE_SIZE(name, &(blob), sizeof(blob)) | |
36 | ||
37 | #define DECLARE_BUILTIN_FIRMWARE_SIZE(name, blob, size) \ | |
38 | static const struct builtin_fw __fw_concat(__builtin_fw,__COUNTER__) \ | |
39 | __used __section(.builtin_fw) = { name, blob, size } | |
40 | ||
69d44a18 | 41 | #if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE)) |
1da177e4 LT |
42 | int request_firmware(const struct firmware **fw, const char *name, |
43 | struct device *device); | |
44 | int request_firmware_nowait( | |
072fc8f0 | 45 | struct module *module, bool uevent, |
9ebfbd45 | 46 | const char *name, struct device *device, gfp_t gfp, void *context, |
1da177e4 LT |
47 | void (*cont)(const struct firmware *fw, void *context)); |
48 | ||
49 | void release_firmware(const struct firmware *fw); | |
fbab976d JB |
50 | #else |
51 | static inline int request_firmware(const struct firmware **fw, | |
52 | const char *name, | |
53 | struct device *device) | |
54 | { | |
55 | return -EINVAL; | |
56 | } | |
57 | static inline int request_firmware_nowait( | |
072fc8f0 | 58 | struct module *module, bool uevent, |
9ebfbd45 | 59 | const char *name, struct device *device, gfp_t gfp, void *context, |
fbab976d JB |
60 | void (*cont)(const struct firmware *fw, void *context)) |
61 | { | |
62 | return -EINVAL; | |
63 | } | |
64 | ||
65 | static inline void release_firmware(const struct firmware *fw) | |
66 | { | |
67 | } | |
2887b395 | 68 | |
fbab976d JB |
69 | #endif |
70 | ||
bba3a87e TI |
71 | #ifdef CONFIG_FW_LOADER_USER_HELPER |
72 | int request_firmware_direct(const struct firmware **fw, const char *name, | |
73 | struct device *device); | |
74 | #else | |
75 | #define request_firmware_direct request_firmware | |
76 | #endif | |
77 | ||
1da177e4 | 78 | #endif |