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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - include/linux/firmware.h
1 #ifndef _LINUX_FIRMWARE_H
2 #define _LINUX_FIRMWARE_H
4 #include <linux/types.h>
5 #include <linux/compiler.h>
8 #define FW_ACTION_NOHOTPLUG 0
9 #define FW_ACTION_HOTPLUG 1
16 /* firmware loader private fields */
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)
34 #define DECLARE_BUILTIN_FIRMWARE(name, blob) \
35 DECLARE_BUILTIN_FIRMWARE_SIZE(name, &(blob), sizeof(blob))
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 }
41 #if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE))
42 int request_firmware(const struct firmware
**fw
, const char *name
,
43 struct device
*device
);
44 int request_firmware_nowait(
45 struct module
*module
, bool uevent
,
46 const char *name
, struct device
*device
, gfp_t gfp
, void *context
,
47 void (*cont
)(const struct firmware
*fw
, void *context
));
48 int request_firmware_direct(const struct firmware
**fw
, const char *name
,
49 struct device
*device
);
50 int request_firmware_into_buf(const struct firmware
**firmware_p
,
51 const char *name
, struct device
*device
, void *buf
, size_t size
);
53 void release_firmware(const struct firmware
*fw
);
55 static inline int request_firmware(const struct firmware
**fw
,
57 struct device
*device
)
61 static inline int request_firmware_nowait(
62 struct module
*module
, bool uevent
,
63 const char *name
, struct device
*device
, gfp_t gfp
, void *context
,
64 void (*cont
)(const struct firmware
*fw
, void *context
))
69 static inline void release_firmware(const struct firmware
*fw
)
73 static inline int request_firmware_direct(const struct firmware
**fw
,
75 struct device
*device
)
80 static inline int request_firmware_into_buf(const struct firmware
**firmware_p
,
81 const char *name
, struct device
*device
, void *buf
, size_t size
)