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/*
$License:
Copyright (C) 2011 InvenSense Corporation, All Rights Reserved.
$
*/
#ifndef _MLOS_H
#define _MLOS_H
#ifndef __KERNEL__
#include <stdio.h>
#endif
#include "mltypes.h"
#ifdef __cplusplus
extern "C" {
#endif
#if defined(LINUX) || defined(__KERNEL__)
typedef unsigned int HANDLE;
#endif
/* ------------ */
/* - Defines. - */
/* ------------ */
/* - MLOSCreateFile defines. - */
#define MLOS_GENERIC_READ ((unsigned int)0x80000000)
#define MLOS_GENERIC_WRITE ((unsigned int)0x40000000)
#define MLOS_FILE_SHARE_READ ((unsigned int)0x00000001)
#define MLOS_FILE_SHARE_WRITE ((unsigned int)0x00000002)
#define MLOS_OPEN_EXISTING ((unsigned int)0x00000003)
/* ---------- */
/* - Enums. - */
/* ---------- */
/* --------------- */
/* - Structures. - */
/* --------------- */
/* --------------------- */
/* - Function p-types. - */
/* --------------------- */
#ifndef __KERNEL__
#include <string.h>
void *inv_malloc(unsigned int numBytes);
inv_error_t inv_free(void *ptr);
inv_error_t inv_create_mutex(HANDLE *mutex);
inv_error_t inv_lock_mutex(HANDLE mutex);
inv_error_t inv_unlock_mutex(HANDLE mutex);
FILE *inv_fopen(char *filename);
void inv_fclose(FILE *fp);
// Binary Semaphore
inv_error_t inv_create_binary_semaphore(HANDLE *semaphore);
inv_error_t inv_destroy_binary_semaphore(HANDLE handle);
inv_error_t inv_increment_binary_semaphore(HANDLE handle);
inv_error_t inv_decrement_binary_semaphore(HANDLE handle, long timeout_ms);
inv_error_t inv_destroy_mutex(HANDLE handle);
void inv_sleep(int mSecs);
inv_time_t inv_get_tick_count(void);
/* Kernel implmentations */
#define GFP_KERNEL (0x70)
static inline void *kmalloc(size_t size,
unsigned int gfp_flags)
{
(void)gfp_flags;
return inv_malloc((unsigned int)size);
}
static inline void *kzalloc(size_t size, unsigned int gfp_flags)
{
void *tmp = inv_malloc((unsigned int)size);
(void)gfp_flags;
if (tmp)
memset(tmp, 0, size);
return tmp;
}
static inline void kfree(void *ptr)
{
inv_free(ptr);
}
static inline void msleep(long msecs)
{
inv_sleep(msecs);
}
static inline void udelay(unsigned long usecs)
{
inv_sleep((usecs + 999) / 1000);
}
#else
#include <linux/delay.h>
#endif
#ifdef __cplusplus
}
#endif
#endif /* _MLOS_H */
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