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/* Public domain. */
#ifndef _LINUX_FIRMWARE_H
#define _LINUX_FIRMWARE_H
#include <sys/types.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <linux/types.h>
#ifndef __DECONST
#define __DECONST(type, var) ((type)(__uintptr_t)(const void *)(var))
#endif
struct firmware {
size_t size;
const u8 *data;
};
static inline int
request_firmware(const struct firmware **fw, const char *name,
struct device *device)
{
int r;
struct firmware *f = malloc(sizeof(struct firmware), M_DRM,
M_WAITOK | M_ZERO);
r = loadfirmware(name, __DECONST(u_char **, &f->data), &f->size);
if (r != 0) {
free(f, M_DRM, sizeof(struct firmware));
*fw = NULL;
return -r;
} else {
*fw = f;
return 0;
}
}
#define request_firmware_nowait(a, b, c, d, e, f, g) -EINVAL
static inline void
release_firmware(const struct firmware *fw)
{
if (fw)
free(__DECONST(u_char *, fw->data), M_DEVBUF, fw->size);
free(__DECONST(struct firmware *, fw), M_DRM, sizeof(*fw));
}
#endif
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