Merge branch 'mini2440-dev-unlikely' into mini2440-dev
[linux-2.6/mini2440.git] / include / linux / firmware.h
blobd31544628436cb717b88079f7f99bf6e9b775b68
1 #ifndef _LINUX_FIRMWARE_H
2 #define _LINUX_FIRMWARE_H
4 #include <linux/module.h>
5 #include <linux/types.h>
6 #include <linux/compiler.h>
8 #define FW_ACTION_NOHOTPLUG 0
9 #define FW_ACTION_HOTPLUG 1
11 struct firmware {
12 size_t size;
13 const u8 *data;
16 struct device;
18 struct builtin_fw {
19 char *name;
20 void *data;
21 unsigned long size;
24 /* We have to play tricks here much like stringify() to get the
25 __COUNTER__ macro to be expanded as we want it */
26 #define __fw_concat1(x, y) x##y
27 #define __fw_concat(x, y) __fw_concat1(x, y)
29 #define DECLARE_BUILTIN_FIRMWARE(name, blob) \
30 DECLARE_BUILTIN_FIRMWARE_SIZE(name, &(blob), sizeof(blob))
32 #define DECLARE_BUILTIN_FIRMWARE_SIZE(name, blob, size) \
33 static const struct builtin_fw __fw_concat(__builtin_fw,__COUNTER__) \
34 __used __section(.builtin_fw) = { name, blob, size }
36 #if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE))
37 int request_firmware(const struct firmware **fw, const char *name,
38 struct device *device);
39 int request_firmware_nowait(
40 struct module *module, int uevent,
41 const char *name, struct device *device, void *context,
42 void (*cont)(const struct firmware *fw, void *context));
44 void release_firmware(const struct firmware *fw);
45 #else
46 static inline int request_firmware(const struct firmware **fw,
47 const char *name,
48 struct device *device)
50 return -EINVAL;
52 static inline int request_firmware_nowait(
53 struct module *module, int uevent,
54 const char *name, struct device *device, void *context,
55 void (*cont)(const struct firmware *fw, void *context))
57 return -EINVAL;
60 static inline void release_firmware(const struct firmware *fw)
63 #endif
65 #endif