diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/firmware.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/firmware.h b/include/linux/firmware.h index 88718d60153..c8ecf5b2a20 100644 --- a/include/linux/firmware.h +++ b/include/linux/firmware.h @@ -1,7 +1,10 @@ #ifndef _LINUX_FIRMWARE_H #define _LINUX_FIRMWARE_H + #include <linux/module.h> #include <linux/types.h> +#include <linux/compiler.h> + #define FIRMWARE_NAME_MAX 30 #define FW_ACTION_NOHOTPLUG 0 #define FW_ACTION_HOTPLUG 1 @@ -13,6 +16,24 @@ struct firmware { struct device; +struct builtin_fw { + char *name; + void *data; + unsigned long size; +}; + +/* We have to play tricks here much like stringify() to get the + __COUNTER__ macro to be expanded as we want it */ +#define __fw_concat1(x, y) x##y +#define __fw_concat(x, y) __fw_concat1(x, y) + +#define DECLARE_BUILTIN_FIRMWARE(name, blob) \ + DECLARE_BUILTIN_FIRMWARE_SIZE(name, &(blob), sizeof(blob)) + +#define DECLARE_BUILTIN_FIRMWARE_SIZE(name, blob, size) \ + static const struct builtin_fw __fw_concat(__builtin_fw,__COUNTER__) \ + __used __section(.builtin_fw) = { name, blob, size } + #if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE)) int request_firmware(const struct firmware **fw, const char *name, struct device *device); |