s3c2410-ts.h

本程序为基于创维特触摸屏及相应测试程序

/*
*
* Driver for the H3600 Touch Screen and other Atmel controlled devices.
*
* Copyright 2000 Compaq Computer Corporation.
*
* Use consistent with the GNU GPL is permitted,
* provided that this copyright notice is
* preserved in its entirety in all copies and derived works.
*
* COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
* AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
* FITNESS FOR ANY PARTICULAR PURPOSE.
*
* Author: Charles Flynn.
*
* Author: SW.LEE <[e-mail]> Modified for S3C2410 
*/


#ifndef __S3C2410_TS_H__
#define __S3C2410_TS_H__

#include <linux/ioctl.h>

enum s3c2410_ts_minor_devices {
	TS_MINOR    = 0,
	TSRAW_MINOR = 1,
	KEY_MINOR   = 2
};

typedef struct s3c2410_ts_calibration {
        int xscale;
        int xtrans;
        int yscale;
        int ytrans;
        int xyswap;
} TS_CAL1;

typedef struct s3c2410_ts_event {
        unsigned short pressure;
        unsigned short x;
        unsigned short y;
        unsigned short pad;
} TS_EVENT;

/* Deprecated - do not use */
typedef struct s3c2410_ts_return {
        unsigned short pressure;
        unsigned short x;
        unsigned short y;
        unsigned short pad;
} TS_RET1;

/* IOCTL cmds  user or kernel space */

/* Use 'f' as magic number */
#define IOC_S3C2410_TS_MAGIC  'f'


#define TS_GET_CAL	_IOR(IOC_S3C2410_TS_MAGIC, 10, struct s3c2410_ts_calibration)
#define TS_SET_CAL	_IOW(IOC_S3C2410_TS_MAGIC, 11, struct s3c2410_ts_calibration)

#define SYS_TIMER01_PRESCALER   24      /* for Touch Screen  */
#define TOUCH_RESCHED_PERIOD    10      /* 10 ms */
#define SYS_TIMER1_MUX          0       /* 1/2  */
#define SYS_TIMER1_DIVIDER      2

/*
 * LCD Parameter
 * Used in drivers/video/s3c2410fb.c
 */
#define TFT240_320      1
#define STN320_240      2
#define TFT640_480      3

                     /* Used in s3c2410fb.c */
//#define LCD_TYPE      TFT240_320
//#define LCD_TYPE        STN320_240
#define LCD_TYPE        TFT640_480
                                                                                                                                               
#if (LCD_TYPE == TFT240_320)
#define CURRENT_LCD_X    240 /* used in Touch Screen */
#define CURRENT_LCD_Y    320 /* used in Touch Screen */
#elif (LCD_TYPE == STN320_240)
#define CURRENT_LCD_X    320 /* used in Touch Screen */
#define CURRENT_LCD_Y    240 /* used in Touch Screen */
#elif (LCD_TYPE == TFT640_480)
#define CURRENT_LCD_X    640 /* used in Touch Screen */
#define CURRENT_LCD_Y    480 /* used in Touch Screen */
#endif

#define ADCPRS 39               /* used s3c2410_ts.c */
#define ADC_DELAY_TIME    50000 /* used s3c2410_ts.c */

/***************  Clock Parameter  **********/
#define  FCLK 203000000
#define  HCLK (FCLK/2)
#define  PCLK (HCLK/2)
#define  UCLK  48000000
#define  BUSWIDTH (32)
/********************************************/

#endif