asp.h

linux下触摸屏的驱动和测试程序 包含鼠标校准程序

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Copyright (C) 2002, 2003 Motorola Semiconductors HK Ltd
 *
 */

/******************************************************************************

 * 

 * File Name:   asp.h

 * 

 * Progammers:  Chen Ning

 *

 * Date of Creations:   10 DEC,2001

 *

 * Synopsis:

 *

 * Modification History:

 * 10 DEC, 2001, initialization version, frame work for frame buffer driver

 *

 *****************************************************************************/



#ifndef ASP_H

#define ASP_H



//#define MOD_NAME        "asp"

//#define DEV_IRQ_NAME	"asp"

//#define DEV_IRQ_ID	"asp"

#define MOD_NAME        "PenDevice"

#define DEV_IRQ_NAME	"PenDevice"

#define DEV_IRQ_ID	    "PenDevice"



// registers

//////////////////////////////////////////////lyk add it//hhtech
typedef unsigned int U32;       /* unsigned 32 bit data */
#define PTB_BASE_ADDR           0xF021C100
#define PTB_DDIR                PTB_BASE_ADDR
#define PTB_OCR1                (PTB_BASE_ADDR+0x04)
#define PTB_OCR2                (PTB_BASE_ADDR+0x08)
#define PTB_ICONFA1             (PTB_BASE_ADDR+0x0C)
#define PTB_ICONFA2             (PTB_BASE_ADDR+0x10)
#define PTB_ICONFB1             (PTB_BASE_ADDR+0x14)
#define PTB_ICONFB2             (PTB_BASE_ADDR+0x18)
#define PTB_DR                  (PTB_BASE_ADDR+0x1C)
#define PTB_GIUS                (PTB_BASE_ADDR+0x20)
#define PTB_SSR                 (PTB_BASE_ADDR+0x24)
#define PTB_ICR1                (PTB_BASE_ADDR+0x28)
#define PTB_ICR2                (PTB_BASE_ADDR+0x2C)
#define PTB_IMR                 (PTB_BASE_ADDR+0x30)
#define PTB_ISR                 (PTB_BASE_ADDR+0x34)
#define PTB_GPR                 (PTB_BASE_ADDR+0x38)
#define PTB_SWR                 (PTB_BASE_ADDR+0x3C)
#define PTB_PUEN                (PTB_BASE_ADDR+0x40)
/////////////////////////////////////////////////
#define ASP_BASE		0xf0215000

#define ASP_REGION_SIZE		0x0100



#define ASP_ACNTLCR		0xf0215010

#define ASP_PSMPLRG		0xf0215014

#define ASPCMPCNTL		0xf0215030

#define ASP_ICNTLR		0xf0215018

#define ASP_ISTATR		0xf021501c

#define ASP_PADFIFO		0xf0215000

#define ASP_CLKDIV		0xf021502c



// default value

// ASP_ACNTLCR

// CLKEN	:1

// BGE		:1

// SWRST	:1	 software reset ASP

// NM		:1

// SW		:0x020

// MOD		:10

// U_SEL	:0

// AZ_SEL	:0

// AZE		:1

#define ASP_ACNTLCR_DEF		0x0284e203

#define ASP_ACNTLCR_START	(ASP_ACNTLCR_DEF|0x02)

// DMCNT	:111

// BIT_SELECT	:00		-- 16b

// IDLECNT	:0x3f		-- 63 clocks

// DSCNT	:0xf		-- 15 clocks

#define ASP_PSMPLRG_DEF		0x000073ff



// compare control register

// INT		:?		-- triggered

// CC		:0		-- less

// INSEL	:01		-- x channel

// compare value:0x9000

#define ASPCMPCNTL_DEF		0x00019000

#define ASPCMPCNTL_INT		0x00040000



// PFFE		:1

// PDRE		:0

// POL		:0		-- active low

// EDGE		:1 ? edge

// PIRQE	:1		-- pen enable

#define ASP_ICNTLR_DEF		0x00000032



#define ASP_ISTATR_BGR		0x00000200

#define ASP_ISTATR_POV		0x00000080

#define ASP_ISTATR_PEN		0x00000040

#define ASP_ISTATR_PFF		0x00000002

#define ASP_ISTATR_PDR		0x00000001



// pen clock divide ratio is 5

#define ASP_CLKDIV_DEF		0x00000005



#define ASP_FIFO_SIZE	12



unsigned int READREG(unsigned int r)	

	{	

		volatile unsigned int * addr;

		addr = (unsigned int *)r;	

		return *(volatile unsigned int *)addr;	

	}

void WRITEREG(unsigned int r, unsigned int val) 

{

	volatile unsigned int * addr;

	addr = (unsigned int *)r;

	*(volatile unsigned int *)addr = val;

}



#define QT_IPAQ



typedef struct {

#ifdef QT_IPAQ

	unsigned short pressure;

#else

	unsigned char pressure;

#endif

	unsigned short x;

	unsigned short y;

#ifdef QT_IPAQ

	unsigned short pad;

#endif

} ts_event_t;



typedef struct asp_tag{

	int auto_zero_value;

	int pen_up_value;

}ASP_S;









void update_AZ_and_AV(ASP_S *);

void disable_auto_sample(void);

void enable_auto_sample(void);

void enable_pen(void);

void enable_pen_interrupt(void);

void set_pen_up_threshold(ASP_S *);

void clear_pen_interrupt_flag(void);

void clear_cmp_interrupt_flag(void);

void clear_data_interrupt_flag(void);

void clear_pen_FIFO(void);

void disable_pen_interrupt(void);

void disable_pen(void);

void enable_data_interrupt(void);

void disable_data_interrupt(void);

void disable_cmp_interrupt(void);



// TODO: what meant

#define  MAX_ID 	0x14



#ifdef QT_IPAQ

#define PENUP		0x0

#define PENDOWN		0xffff

#else

#define PENUP		0x0

#define PENDOWN		0xff

#endif



#define FIFOLEN		16

#endif //ASP_H