hal_power.h

一款SmartPhone的驱动代码

/**************************************************************************
; 	HAL_POWER.h
;	Control the power and clock of LCDC
;
;	Copyright (c) 2002 Epson Research and Development, Inc.
;	All Rights Reserved.
;
;**************************************************************************/
#ifndef __HAL_POWER_H__
#define __HAL_POWER_H__

#define TIMEOUT_POWERSAVE    0xfffff
#define MHZ   1000000UL
#define abs32(x, y)  ((x > y) ? (x - y) : (y - x))
#define POWER_SAVE_MODE_ENABLE			0x0001
#define POWER_SAVE_MODE_DISABLE			0xFFFE
#define PLL_ENABLE				0xFFFE
#define PLL_DISABLE				0x0001


unsigned short PowerSaveMode(unsigned short enable);
BOOL SetPll( unsigned short WhichPll, unsigned long freq );
unsigned long GetPll( unsigned short WhichPll, long *error );
unsigned short GetPllPowerDown(void);
unsigned short GetSystemClkDivide(void);
unsigned long GetSystemClock(unsigned long *UsingClkI);

#endif //__HAL_POWER_H__