xref: /utopia/UTPA2-700.0.x/modules/usb/drv/usb_ecos/newhost/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> // NUSED
// Note, include for kernel service functions of eCos
//#include <cyg/kernel/kapi.h> // NUSED
//#include <cyg/hal/hal_intr.h> // NUSED
#include <cyg/hal/hal_misc.h> // for BITn
#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 osapi_spin_lock_init(lock)
#define osapi_spin_lock(lock)
#define osapi_spin_unlock(lock)
#define osapi_spin_lock_irqsave(lock,flag)      {flag = MsOS_DisableAllInterrupts();}
#define osapi_spin_unlock_irqrestore(lock,flag) MsOS_RestoreAllInterrupts(flag)
#define osapi_spin_lock_irq(lock) MsOS_DisableAllInterrupts()
#define osapi_spin_unlock_irq(lock) MsOS_EnableAllInterrupts()

// Semaphore functions
#define osapi_up(x)
#define osapi_down(x)

// Mutex functions
#define osapi_mutex_init(x, str) \
    x = MsOS_CreateMutex(E_MSOS_FIFO, str, MSOS_PROCESS_SHARED)
#define osapi_mutex_lock(x)\
    MsOS_ObtainMutex(x, MSOS_WAIT_FOREVER)
#define osapi_mutex_unlock(x) \
    MsOS_ReleaseMutex(x)
#define osapi_mutex_delete(x) \
    MsOS_DeleteMutex(x)
//#define osapi_init_MUTEX(x) // NUSED
//#define osapi_init_MUTEX_LOCKED(x) // NUSED
#define osapi_atomic_read(v)        *(v)
#define osapi_ATOMIC_INIT(value)    value

// Kernel function porting (Unsupport now, so just skip)
#define set_current_state(x)
//#define osapi_local_irq_restore(x) // NUSED
//#define osapi_local_irq_save(x) // NUSED
//#define osapi_local_irq_disable() // NUSED
//#define osapi_local_irq_enable() // NUSED
//#define osapi_lock_kernel() // NUSED
//#define osapi_unlock_kernel() // NUSED
//#define osapi_schedule() // NUSED

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

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

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

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

static __inline__ void osapi_schedule_timeout(int ms)
{
	mdelay(ms);
}
#endif