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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - include/linux/firmware.h
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 FIRMWARE_NAME_MAX 30
9 #define FW_ACTION_NOHOTPLUG 0
10 #define FW_ACTION_HOTPLUG 1
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)
30 #define DECLARE_BUILTIN_FIRMWARE(name, blob) \
31 DECLARE_BUILTIN_FIRMWARE_SIZE(name, &(blob), sizeof(blob))
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 }
37 #if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE))
38 int request_firmware(const struct firmware
**fw
, const char *name
,
39 struct device
*device
);
40 int request_firmware_nowait(
41 struct module
*module
, int uevent
,
42 const char *name
, struct device
*device
, void *context
,
43 void (*cont
)(const struct firmware
*fw
, void *context
));
45 void release_firmware(const struct firmware
*fw
);
47 static inline int request_firmware(const struct firmware
**fw
,
49 struct device
*device
)
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
))
61 static inline void release_firmware(const struct firmware
*fw
)