tda7540.h

基于tda7540芯片的FM芯片

#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/cdev.h>
#include <linux/errno.h>

#include "tda7540_ioctl_cmd.h"

#define AM_FM_TUNER_MAJOR   0x0 /*the predicted master device number*/

#define AM_FM_TUNER_BASE             0xbf0040d0
#define AM_FM_TUNER_PRER_LO          (volatile unsigned char *)( AM_FM_TUNER_BASE + 0x00 )
#define AM_FM_TUNER_PRER_HI          (volatile unsigned char *)( AM_FM_TUNER_BASE + 0x01 )
#define AM_FM_TUNER_CTR              (volatile unsigned char *)( AM_FM_TUNER_BASE + 0x02 )
#define AM_FM_TUNER_TXR              (volatile unsigned char *)( AM_FM_TUNER_BASE + 0x03 )
#define AM_FM_TUNER_RXR              (volatile unsigned char *)( AM_FM_TUNER_BASE + 0x03 )
#define AM_FM_TUNER_CR               (volatile unsigned char *)( AM_FM_TUNER_BASE + 0x04 )
#define AM_FM_TUNER_SR               (volatile unsigned char *)( AM_FM_TUNER_BASE + 0x04 )



//=====================================================================================
//for tuner
//

#define u8	unsigned char
#define u16     unsigned int
#define u32     unsigned long int
#define s8	char 
#define s16     int

#define FM_EU_BAND	0	//87--108MHz
#define FM_JP_BAND	2	//76--90MHz
#define FM_OT_BAND	3	//65--74MHz
#define AM_MW_BAND 	4	//522--1629KHz

#define FMSCTRL		0x9e
#define AMSCTRL		0x7e

#define TV1REG		3
#define TV2REG		4
#define IFC1REG		5
#define IFC2REG 	6
#define AMCTLREG	0x07		//Reg7
#define PLLREFREG	0x0e		//Reg14
#define LEVELREG	0x12		//Reg18
#define XTALREG		0x13		//Reg19
#define IQREG		0x15		//Reg21
#define SCTRLREG	0x17		//Reg23

#define IFC1	0x98	//FM10.24mS

#define EEP_TV2_65		0x28
#define EEP_TV2_76		0x29
#define EEP_TV2_87		0x2a

#define EEP_IQ_65		0x2b
#define EEP_IQ_76		0x2c
#define EEP_IQ_87		0x2d

#define EEP_AM_LEVEL	0x2e	
#define EEP_AM_XTAL		0x2f

#define EEP_FLAG	0x30
#define EEP_YEAR	0x31
#define EEP_MONTH	0x32
#define EEP_DATE	0x33
#define EEP_VER		0x34

#define OIRT_STEP	3
#define JAPAN_STEP	3
#define EUROPE_STEP	0

#define FLAG	0xEA


#define CHECKTIMES	1000			//SSTOP��
#define FAILTIMES CHECKTIMES*0.1	//SSTOP�ʧܴ�