g2d_mutex.h 5.05 KB
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/*****************************************************************************
 *
 * Filename:
 * ---------
 *   g2d_structure.h
 *
 * Project:
 * --------
 *   Maui
 *
 * Description:
 * ------------
 *   G2D Driver
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
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 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/
#ifndef __G2D_MUTEX_H__
#define __G2D_MUTEX_H__

#include "kal_general_types.h" 
#include "drv_features_g2d.h"  

typedef enum g2d_mutex_state
{
    G2D_MUTEX_STATE_TAKEN = 0,
    G2D_MUTEX_STATE_GIVEN,
} g2d_mutex_state;

typedef enum g2d_mutex_priority
{
    G2D_PRIORITY_NONE = 0,
    G2D_PRIORITY_HIGH,
} g2d_mutex_priority;
typedef struct g2d_mutex_struct
{
    volatile int priority;
    volatile int state;
} g2d_mutex_struct;

extern g2d_mutex_struct g2d_mutex;


#ifdef __cplusplus
extern "C" {
#endif

void g2d_mutex_init(g2d_mutex_struct *pMutex);

void g2d_mutex_lock(g2d_mutex_struct *pMutex);

void g2d_mutex_unlock(g2d_mutex_struct *pMutex);

kal_bool g2d_mutex_lock_fast(g2d_mutex_struct *pMutex);

kal_bool g2d_mutex_check_given_status_only(void);

kal_bool g2d_mutex_check_given_status(void);

void g2d_mutex_wait_hwg2d_release(void);

void g2d_mutex_wakeup_wait_task(void);


#ifdef __cplusplus
}
#endif


#if 0
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#endif

#endif  /*g2d_mutex.h*/