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);
51 int request_firmware_into_buf(const char *name, struct device *device,
52 phys_addr_t dest_addr, size_t dest_size,
53 void * (*map_fw_mem)(phys_addr_t phys,
54 size_t size, void *data),
55 void (*unmap_fw_mem)(void *virt, size_t size,
58 int request_firmware_nowait_into_buf(
59 struct module *module, bool uevent,
60 const char *name, struct device *device, gfp_t gfp, void *context,
61 void (*cont)(const struct firmware *fw, void *context),
62 phys_addr_t dest_addr, size_t dest_size,
63 void * (*map_fw_mem)(phys_addr_t phys, size_t size, void *data),
64 void (*unmap_fw_mem)(void *virt, size_t size, void *data), void *data);
65 void release_firmware(const struct firmware *fw);
67 static inline int request_firmware(const struct firmware **fw,
69 struct device *device)
73 static inline int request_firmware_into_buf(const char *name,
74 struct device *device,
75 phys_addr_t dest_addr,
77 void * (*map_fw_mem)(phys_addr_t phys,
78 size_t size, void *data),
79 void (*unmap_fw_mem)(void *virt,
86 static inline int request_firmware_nowait(
87 struct module *module, bool uevent,
88 const char *name, struct device *device, gfp_t gfp, void *context,
89 void (*cont)(const struct firmware *fw, void *context))
93 static inline int request_firmware_nowait_into_buf(
94 struct module *module, bool uevent,
95 const char *name, struct device *device, gfp_t gfp, void *context,
96 void (*cont)(const struct firmware *fw, void *context),
97 phys_addr_t dest_addr, size_t dest_size,
98 void * (*map_fw_mem)(phys_addr_t phys, size_t size, void *data),
99 void (*unmap_fw_mem)(void *virt, size_t size, void *data), void *data)
103 static inline void release_firmware(const struct firmware *fw)
107 static inline int request_firmware_direct(const struct firmware **fw,
109 struct device *device)