xref: /utopia/UTPA2-700.0.x/modules/usb/drv/usb_ecos/usbhost/include/drvOSAPI.h (revision 53ee8cc121a030b8d368113ac3e966b4705770ef)

//<MStar Software>
//******************************************************************************
// MStar Software
// Copyright (c) 2010 - 2012 MStar Semiconductor, Inc. All rights reserved.
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//******************************************************************************
//<MStar Software>


#ifndef _OS_API_H_
#define _OS_API_H_

#include <MsCommon.h>
#include <cyg/hal/hal_if.h>
// Note, include for kernel service functions of eCos
#include <cyg/kernel/kapi.h>
#include <cyg/hal/hal_intr.h>
#include "drvPorts.h"

#define IRQ_NONE              0
#define IRQ_HANDLED           1
#define TASK_UNINTERRUPTIBLE  0
/* ========================================  Data structures  ======================================== */

typedef int spinlock_t;
typedef int atomic_t;

#define SPIN_LOCK_UNLOCKED  (spinlock_t)0
#define SPIN_LOCK_LOCKED    (spinlock_t)1

/* ========================================  Function Declaration  ======================================== */
#define DECLARE_WAITQUEUE(x,y)
#define init_waitqueue_head(x)
#define add_wait_queue(x,y)
#define remove_wait_queue(x,y)
#define wake_up(x)
#define signal_pending(x)     0

// Spin lock functions
#define spin_lock_init(lock)
#define spin_lock(lock)
#define spin_unlock(lock)
#define spin_lock_irqsave(lock,flag)      save_and_disable_firqs(&flag)
#define spin_unlock_irqrestore(lock,flag) restore_firqs(&flag)
#define spin_lock_irq(lock)
#define spin_unlock_irq(lock)
// Semaphore functions
#define up(x)
#define down(x)
// Mutex functions
#define init_MUTEX(x)
#define init_MUTEX_LOCKED(x)
#define atomic_read(v)        *(v)
#define ATOMIC_INIT(value)    value
// Kernel function porting (Unsupport now, so just skip)
#define set_current_state(x)
#define local_irq_restore(x)
#define local_irq_save(x)
#define local_irq_disable()
#define local_irq_enable()
#define lock_kernel()
#define unlock_kernel()
#define schedule()

static __inline__ void atomic_inc(int *cnt_p)
{
  (*cnt_p)++;
}

static __inline__ void atomic_dec(int *cnt_p)
{
  (*cnt_p)--;
}

static __inline__ int atomic_dec_and_test(int *count)
{
  (*count)--;
  return (*count == 0);
}

static __inline__ void atomic_set(int *count, int value)
{
  (*count) = value;
}

static __inline__ void schedule_timeout(int ms)
{
	mdelay(ms);
}
//extern int schedule_timeout(int ms);
#endif