iop.h

4510 study

/***********************************************************************/
/*                                                                     */
/*   MODULE:  BDTest/iop.h                                             */
/*   DATE:    98/04/03                                                 */
/*   PURPOSE: I/O port input, output and share function test Header    */
/*                                                                     */
/*---------------------------------------------------------------------*/
/*      Copyright (C) 1997 Samsung Electronics.                        */
/*                                                                     */
/***********************************************************************/
#ifndef _IOP_H
#define _IOP_H

#define IOPMOD_MASK   0x3ffff 
#define nPORT8        8       //xIRQ0        
#define nPORT9        9       //xIRQ1
#define nPORT10       10      //xIRQ2
#define nPORT11       11      //xIRQ3
#define nPORT12       12      //DREQ0
#define nPORT13       13      //DREQ1
#define nPORT14       14      //DACK0
#define nPORT15       15      //DACK1
#define nPORT16       16      //TOEN0
#define nPORT17       17      //TOEN1

/* I/O Port Control register */
#define xIRQ0_CON     0x0000000f
#define xIRQ0_ON      0x00000010
#define xIRQ0(i)      ((i) & (xIRQ0_CON|xIRQ0_ON))

#define xIRQ1_CON     0x000001e0
#define xIRQ1_ON      0x00000200
#define xIRQ1(i)      ((i<<5) & (xIRQ1_CON|xIRQ1_ON))

#define xIRQ2_CON     0x00003c00
#define xIRQ2_ON      0x00004000
#define xIRQ2(i)      ((i<<10) & (xIRQ2_CON|xIRQ2_ON))

#define xIRQ3_CON     0x00078000
#define xIRQ3_ON      0x00080000
#define xIRQ3(i)      ((i<<15) & (xIRQ3_CON|xIRQ3_ON))

#define DREQ0_CON     0x00300000
#define DREQ0_ON      0x00400000
#define DREQ1_CON     0x01800000
#define DREQ1_ON      0x02000000
#define DACK0_CON     0x04000000
#define DACK0_ON      0x08000000
#define DACK1_CON     0x10000000
#define DACK1_ON      0x20000000
#define TOEN0_ON      0x40000000
#define TOEN1_ON      0x80000000

// I/O Port Interrupt Control
#define ACT_HIGH     0x10
#define FILTER_ON    0x04
#define EDGE_RISE    0x01
#define EDGE_FALL    0x02
#define EDGE_BOTH    0x03

/* I/O port on board */
#define INVALID_KEY    0xf
#define EINT0          0xe
#define EINT1          0xd
#define EINT2          0xb
#define EINT3          0x7

#define LED_PORT      0xff
#define KEY_567       0xe0
#define KEY_PAD        0xf00
#define KEY_IN         0xe0     /* for SNDS ver1.2 key input */
#define KEY_TIME_OUT   0x10000

extern void ioptest(void);
/* 
 * I/O Function Test Main module
 */

extern void IoPortRw(void);

extern void IopStatus(void);
/*
 * I/O port status
 */

extern void PortTestItems(void);
/*
 *  Port test items select menu
 */

extern void SetupIoport(void);
/*
 * I/O port function test
 */

extern void ext0isr(void);
extern void ext1isr(void);
extern void ext2isr(void);
extern void ext3isr(void);
/*
 * External interrupt service routine
 */


extern void ExtIntReq(int /*channel*/);
extern void SetExtIntMode(int /*channel*/);
extern void ExtIntEnable(int /*channel*/);
extern void ExtIntDisable(int /*channel*/);
extern void ExtIntAllEnable(void);
extern void ExtIntAllDisable(void);

extern void ExtIntStress(int /*channel*/);

extern int  keyscan(void);
#endif /* End of _IOP_H */