slic.h

linux下的SPI总线驱动程序

#ifndef __SLIC_H__
#define __SLIC_H__

#include "spi.h"
/*
 * if STATE_ROLL is set to NON-ZERO value, the
 * "Call model" will involved in the runtime image
 * otherwise, directly connected when pick up the
 * phone
 */

enum FXS_EVENT
{
	DTMF_DIGIT1 = 1,
	DTMF_DIGIT2 ,
	DTMF_DIGIT3 ,
	DTMF_DIGIT4 ,
	DTMF_DIGIT5 ,
	DTMF_DIGIT6 ,
	DTMF_DIGIT7 ,
	DTMF_DIGIT8 ,
	DTMF_DIGIT9 ,
	DTMF_DIGIT0 ,
	DTMF_DIGITSTART ,
	DTMF_DIGITHASH ,
	FXS_ONHOOK ,
	FXS_LEFT_ARROW ,
	FXS_RIGHT_ARROW ,
	FXS_CANCEL ,
	FXS_OK ,
	FXS_OFFHOOK ,
};

enum LINEFEEDSTATE
{
	OPEN,
	FORWARD_ACTIVE,
	FORWARD_ONHOOK_TRANSMISSION,
	TIP_OPEN,
	RINGING,
	REVERSE_ACTIVE,
	REVERSE_ONHOOK_TRANSMISSION,
	RING_OPEN
};

enum TelephoneSTATE
{
	DEMURE,
	RING,
	OFFHOOK,
	BUSYTONE,
	RINGTONE,
	TALKING,
	ONHOOK
};

typedef struct {
	unsigned char address;
	char *name;
	unsigned short initial;
} indirectRegister;

typedef struct PROSLIC_s{
	char version;
	char type;
	int  digit_count;
	char DTMF_digits[20];
	unsigned long interrupt;
	unsigned char eventEnable;
	unsigned char hook_status;
	unsigned long On_Hook_time;
	unsigned long Off_Hook_time;
	struct{ 
		enum { TYPE1, TYPE2, TYPE3 } ringType;
		int nextCadenceEntryIndex;
	}  ringCadenceCordinates;
	unsigned char ringCount;
	int qLog[6];
	unsigned long eventNumber;
	uint32 bEnabled:1;
	uint32 bOffHook:1;
#ifdef STATE_ROLL
	enum TelephoneSTATE nowState;
	enum TelephoneSTATE preState;
	uint32 pcm_channel;/*must be filled in init*/
	uint32 mid;/*must be filled in init*/
#endif
} PROSLIC_t;
extern PROSLIC_t* slic_data;
extern rtl8651_spi_dev_t* spiDev;
extern int32 current_channel;
#define SLIC_ENTER_STATE(state) \
	do { \
		slic_data[channel].preState = slic_data[channel].nowState; \
		slic_data[channel].nowState = state; \
	} while (0)
#define ENTER_STATE(state) \
	do { \
		chipData[channel].preState = chipData[channel].nowState; \
		chipData[channel].nowState = state; \
	} while (0)

typedef struct {
	unsigned short coeff;
	unsigned short x;
	unsigned short y;
	unsigned char on_hi_byte;
	unsigned char on_low_byte;
	unsigned char off_hi_byte;
	unsigned char off_low_byte;
} Oscillator;

typedef struct {
	Oscillator osc1;
	Oscillator osc2;
} tone_struct;

typedef struct  {
	char * phoneNumber ;
	char * functionName;
	void (*action)(void);
}tNUMBER;

/*
@ ZONE: register read/write
*/
uint8  _slic_read_DirectReg(uint32 reg, int channel);
void   _slic_write_DirectReg(uint32 reg, uint8 data, int channel);
uint16 _slic_read_IndirectReg(uint32 reg, int channel);
void   _slic_write_IndirectReg(uint32 reg, uint16 data, int channel);

#define writeDirectReg _slic_write_DirectReg
#define  readDirectReg  _slic_read_DirectReg
#define writeIndirectReg _slic_write_IndirectReg
#define  readIndirectReg  _slic_read_IndirectReg

#define _slic_set_DREGBIT(regVal,bit07)   regVal |= (1<<bit07)
#define _slic_clear_DREGBIT(regVal,bit07) regVal &= ~(1<<bit07)
#define _slic_read_DREGBIT(regVal, bit07) (regVal & (1<<bit07))
/*
@ ZONE: initialization
*/
void  slic_init_GPIO(uint32 channel);
int32 slic_init_Test(int channel);
int32 slic_init(uint32 channel);
void  clearInterrupts(int channel);
void  slic_init_IndirectReg(int channel);
void  slic_init_DirectReg(int channel);
int32 slic_init_powerUp(int channel);
int32 slic_init_powerLeakTest(int channel);
void  slic_init_calibrate(int channel);
void  slic_init_PCM(uint32 channel, int32 pcmFormat );
void  slic_init_Value(uint32 channel, int32 pcm_mode);
int32 slic_init_VerifyIReg(int channel);
/*
@ ZONE: interrupt
*/
int32  _slic_PollInt(void);
/*
@ ZONE: ringing
*/
void slic_ring_standard(int channel);
void slic_ring_activate(int channel);
void slic_ring_stop(int channel);
/*
@ ZONE: tone
*/
void slic_tone_diableOSCs(int channel);
void slic_tone_generation(tone_struct tone, int channel);
void slic_tone_dial(int channel);
void slic_tone_busy(int channel);
void slic_tone_reorder(int channel);
void slic_tone_congestion(int channel);
void slic_tone_ringbackPbx(int channel);
void slic_tone_ringBack(int channel);
void slic_tone_ringBackJapan(int channel);
void slic_tone_busyJapan(int channel);
void slic_read_PCMCLK(int channel);
/*
@ DTMF
*/
unsigned char digit(int channel);
void dtmfAction(int channel);
/*
@ Accessory
*/
void goActive(int channel);

/*
@ board information
*/
#define TOTAL_SLIC_CHANNEL 2
/*
@ register definition (direct)
*/
#define IDA_LO          28
#define IDA_HI          29
#define IAA             30
#define CLOCK_MASK      0x04
#define ID_ACCES_STATUS 31
#define IAS_BIT         1
#define	I_STATUS        31
#define	SPI_MODE        0
#define	PCM_MODE        1
#define	PCM_XMIT_START_COUNT_LSB	2
#define	PCM_XMIT_START_COUNT_MSB	3
#define	PCM_RCV_START_COUNT_LSB		4
#define	PCM_RCV_START_COUNT_MSB		5
#define	DIO				6
#define	AUDIO_LOOPBACK	8
#define	AUDIO_GAIN		9
#define	LINE_IMPEDANCE	10
#define	HYBRID			11
#define	RESERVED12		12
#define	RESERVED13		13
#define	PWR_DOWN1		14
#define	PWR_DOWN2		15
#define	RESERVED16		16
#define	RESERVED17		17
#define	INTRPT_STATUS1	18
#define	INTRPT_STATUS2	19
#define	INTRPT_STATUS3	20
#define	INTRPT_MASK1	21
#define	INTRPT_MASK2	22
#define	INTRPT_MASK3	23
#define	DTMF_DIGIT		24
#define	RESERVED25		25
#define	RESERVED26		26
#define	RESERVED27      27
#define	I_DATA_LOW      28
#define	I_DATA_HIGH     29
#define	I_ADDRESS       30
#define	OSC1			32
#define	OSC2			33
#define	RING_OSC_CTL	34
#define	PULSE_OSC		35
#define	OSC1_ON__LO		36
#define	OSC1_ON_HI		37
#define	OSC1_OFF_LO		38
#define	OSC1_OFF_HI		39
#define	OSC2_ON__LO		40
#define	OSC2_ON_HI		41
#define	OSC2_OFF_LO		42
#define	OSC2_OFF_HI		43
#define	PULSE_ON__LO	44
#define	PULSE_ON_HI		45
#define	PULSE_OFF_LO	46
#define	PULSE_OFF_HI	47
#define	RING_ON__LO		48
#define	RING_ON_HI		49
#define	RING_OFF_LO		50
#define	RING_OFF_HI		51
#define	FSK_DATA		52	/*0	fsk_data	*/
#define	RESERVED53		53
#define	RESERVED54		54
#define	RESERVED55		55
#define	RESERVED56		56
#define	RESERVED57		57
#define	RESERVED58		58
#define	RESERVED59		59
#define	RESERVED60		60
#define	RESERVED61		61
#define	RESERVED62		62
#define	RESERVED63		63
#define	LINE_STATE		64
#define	ACTIVATE_LINE 0x11
#define	RING_LINE     0x44
#define	BIAS_SQUELCH	65
#define	BAT_FEED		66
#define	AUTO_STATE		67
#define	LOOP_STAT		68
#define	LOOP_DEBOUCE	69
#define	RT_DEBOUCE		70
#define	LOOP_I_LIMIT	71
#define	OFF_HOOK_V		72
#define	COMMON_V		73
#define	BAT_V_HI		74
#define	BAT_V_LO		75
#define	PWR_STAT_DEV	76
#define	PWR_STAT		77
#define	LOOP_V_SENSE	78
#define	LOOP_I_SENSE	79
#define	TIP_V_SENSE		80
#define	RING_V_SENSE	81
#define	BAT_V_HI_SENSE	82