66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
#ifndef _LINUX_FIRMWARE_H
|
|
#define _LINUX_FIRMWARE_H
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/types.h>
|
|
#include <linux/compiler.h>
|
|
|
|
#define FW_ACTION_NOHOTPLUG 0
|
|
#define FW_ACTION_HOTPLUG 1
|
|
|
|
struct firmware {
|
|
size_t size;
|
|
const u8 *data;
|
|
};
|
|
|
|
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);
|
|
int request_firmware_nowait(
|
|
struct module *module, int uevent,
|
|
const char *name, struct device *device, void *context,
|
|
void (*cont)(const struct firmware *fw, void *context));
|
|
|
|
void release_firmware(const struct firmware *fw);
|
|
#else
|
|
static inline int request_firmware(const struct firmware **fw,
|
|
const char *name,
|
|
struct device *device)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
static inline int request_firmware_nowait(
|
|
struct module *module, int uevent,
|
|
const char *name, struct device *device, void *context,
|
|
void (*cont)(const struct firmware *fw, void *context))
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
static inline void release_firmware(const struct firmware *fw)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
#endif
|