#include <linux/types.h>
#include <linux/i2c.h>

Data Structures
struct	bfin_twi_regs

struct	bfin_twi_iface

Macros
#define	__BFP(m) u16 m; u16 __pad_##m

#define	DEFINE_TWI_REG(reg_name, reg)

#define	CLKLOW(x) ((x) & 0xFF) /* Periods Clock Is Held Low */

#define	CLKHI(y) (((y)&0xFF)<<0x8) /* Periods Before New Clock Low */

#define	PRESCALE 0x007F /* SCLKs Per Internal Time Reference (10MHz) */

#define	TWI_ENA 0x0080 /* TWI Enable */

#define	SCCB 0x0200 /* SCCB Compatibility Enable */

#define	SEN 0x0001 /* Slave Enable */

#define	SADD_LEN 0x0002 /* Slave Address Length */

#define	STDVAL 0x0004 /* Slave Transmit Data Valid */

#define	NAK 0x0008 /* NAK/ACK* Generated At Conclusion Of Transfer */

#define	GEN 0x0010 /* General Call Address Matching Enabled */

#define	SDIR 0x0001 /* Slave Transfer Direction (Transmit/Receive) /

#define	GCALL 0x0002 /* General Call Indicator */

#define	MEN 0x0001 /* Master Mode Enable */

#define	MADD_LEN 0x0002 /* Master Address Length */

#define	MDIR 0x0004 /* Master Transmit Direction (RX/TX) /

#define	FAST 0x0008 /* Use Fast Mode Timing Specs */

#define	STOP 0x0010 /* Issue Stop Condition */

#define	RSTART 0x0020 /* Repeat Start or Stop* At End Of Transfer */

#define	DCNT 0x3FC0 /* Data Bytes To Transfer */

#define	SDAOVR 0x4000 /* Serial Data Override */

#define	SCLOVR 0x8000 /* Serial Clock Override */

#define	MPROG 0x0001 /* Master Transfer In Progress */

#define	LOSTARB 0x0002 /* Lost Arbitration Indicator (Xfer Aborted) */

#define	ANAK 0x0004 /* Address Not Acknowledged */

#define	DNAK 0x0008 /* Data Not Acknowledged */

#define	BUFRDERR 0x0010 /* Buffer Read Error */

#define	BUFWRERR 0x0020 /* Buffer Write Error */

#define	SDASEN 0x0040 /* Serial Data Sense */

#define	SCLSEN 0x0080 /* Serial Clock Sense */

#define	BUSBUSY 0x0100 /* Bus Busy Indicator */

#define	SINIT 0x0001 /* Slave Transfer Initiated */

#define	SCOMP 0x0002 /* Slave Transfer Complete */

#define	SERR 0x0004 /* Slave Transfer Error */

#define	SOVF 0x0008 /* Slave Overflow */

#define	MCOMP 0x0010 /* Master Transfer Complete */

#define	MERR 0x0020 /* Master Transfer Error */

#define	XMTSERV 0x0040 /* Transmit FIFO Service */

#define	RCVSERV 0x0080 /* Receive FIFO Service */

#define	XMTFLUSH 0x0001 /* Transmit Buffer Flush */

#define	RCVFLUSH 0x0002 /* Receive Buffer Flush */

#define	XMTINTLEN 0x0004 /* Transmit Buffer Interrupt Length */

#define	RCVINTLEN 0x0008 /* Receive Buffer Interrupt Length */

#define	XMTSTAT 0x0003 /* Transmit FIFO Status */

#define	XMT_EMPTY 0x0000 /* Transmit FIFO Empty */

#define	XMT_HALF 0x0001 /* Transmit FIFO Has 1 Byte To Write */

#define	XMT_FULL 0x0003 /* Transmit FIFO Full (2 Bytes To Write) */

#define	RCVSTAT 0x000C /* Receive FIFO Status */

#define	RCV_EMPTY 0x0000 /* Receive FIFO Empty */

#define	RCV_HALF 0x0004 /* Receive FIFO Has 1 Byte To Read */

#define	RCV_FULL 0x000C /* Receive FIFO Full (2 Bytes To Read) */

Macro Definition Documentation

#define __BFP ( m ) u16 m; u16 __pad_##m

Definition at line 19 of file bfin_twi.h.

#define ANAK 0x0004 /* Address Not Acknowledged */

Definition at line 152 of file bfin_twi.h.

#define BUFRDERR 0x0010 /* Buffer Read Error */

Definition at line 154 of file bfin_twi.h.

#define BUFWRERR 0x0020 /* Buffer Write Error */

Definition at line 155 of file bfin_twi.h.

#define BUSBUSY 0x0100 /* Bus Busy Indicator */

Definition at line 158 of file bfin_twi.h.

#define CLKHI ( y ) (((y)&0xFF)<<0x8) /* Periods Before New Clock Low */

Definition at line 120 of file bfin_twi.h.

#define CLKLOW ( x ) ((x) & 0xFF) /* Periods Clock Is Held Low */

Definition at line 119 of file bfin_twi.h.

#define DCNT 0x3FC0 /* Data Bytes To Transfer */

Definition at line 145 of file bfin_twi.h.

#define DEFINE_TWI_REG	(	reg_name,
		reg
	)

Value:

static inline u16 read_##reg_name(struct bfin_twi_iface *iface) \
    { return bfin_read16(&iface->regs_base->reg); } \
static inline void write_##reg_name(struct bfin_twi_iface *iface, u16 v) \
    { bfin_write16(&iface->regs_base->reg, v); }

Definition at line 67 of file bfin_twi.h.

#define DNAK 0x0008 /* Data Not Acknowledged */

Definition at line 153 of file bfin_twi.h.

#define FAST 0x0008 /* Use Fast Mode Timing Specs */

Definition at line 142 of file bfin_twi.h.

#define GCALL 0x0002 /* General Call Indicator */

Definition at line 136 of file bfin_twi.h.

#define GEN 0x0010 /* General Call Address Matching Enabled */

Definition at line 132 of file bfin_twi.h.

#define LOSTARB 0x0002 /* Lost Arbitration Indicator (Xfer Aborted) */

Definition at line 151 of file bfin_twi.h.

#define MADD_LEN 0x0002 /* Master Address Length */

Definition at line 140 of file bfin_twi.h.

#define MCOMP 0x0010 /* Master Transfer Complete */

Definition at line 165 of file bfin_twi.h.

#define MDIR 0x0004 /* Master Transmit Direction (RX/TX*) */

Definition at line 141 of file bfin_twi.h.

#define MEN 0x0001 /* Master Mode Enable */

Definition at line 139 of file bfin_twi.h.

#define MERR 0x0020 /* Master Transfer Error */

Definition at line 166 of file bfin_twi.h.

#define MPROG 0x0001 /* Master Transfer In Progress */

Definition at line 150 of file bfin_twi.h.

#define NAK 0x0008 /* NAK/ACK* Generated At Conclusion Of Transfer */

Definition at line 131 of file bfin_twi.h.

#define PRESCALE 0x007F /* SCLKs Per Internal Time Reference (10MHz) */

Definition at line 123 of file bfin_twi.h.

#define RCV_EMPTY 0x0000 /* Receive FIFO Empty */

Definition at line 183 of file bfin_twi.h.

#define RCV_FULL 0x000C /* Receive FIFO Full (2 Bytes To Read) */

Definition at line 185 of file bfin_twi.h.

#define RCV_HALF 0x0004 /* Receive FIFO Has 1 Byte To Read */

Definition at line 184 of file bfin_twi.h.

#define RCVFLUSH 0x0002 /* Receive Buffer Flush */

Definition at line 172 of file bfin_twi.h.

#define RCVINTLEN 0x0008 /* Receive Buffer Interrupt Length */

Definition at line 174 of file bfin_twi.h.

#define RCVSERV 0x0080 /* Receive FIFO Service */

Definition at line 168 of file bfin_twi.h.

#define RCVSTAT 0x000C /* Receive FIFO Status */

Definition at line 182 of file bfin_twi.h.

#define RSTART 0x0020 /* Repeat Start or Stop* At End Of Transfer */

Definition at line 144 of file bfin_twi.h.

#define SADD_LEN 0x0002 /* Slave Address Length */

Definition at line 129 of file bfin_twi.h.

#define SCCB 0x0200 /* SCCB Compatibility Enable */

Definition at line 125 of file bfin_twi.h.

#define SCLOVR 0x8000 /* Serial Clock Override */

Definition at line 147 of file bfin_twi.h.

#define SCLSEN 0x0080 /* Serial Clock Sense */

Definition at line 157 of file bfin_twi.h.

#define SCOMP 0x0002 /* Slave Transfer Complete */

Definition at line 162 of file bfin_twi.h.

#define SDAOVR 0x4000 /* Serial Data Override */

Definition at line 146 of file bfin_twi.h.

#define SDASEN 0x0040 /* Serial Data Sense */

Definition at line 156 of file bfin_twi.h.

#define SDIR 0x0001 /* Slave Transfer Direction (Transmit/Receive*) */

Definition at line 135 of file bfin_twi.h.

#define SEN 0x0001 /* Slave Enable */

Definition at line 128 of file bfin_twi.h.

#define SERR 0x0004 /* Slave Transfer Error */

Definition at line 163 of file bfin_twi.h.

#define SINIT 0x0001 /* Slave Transfer Initiated */

Definition at line 161 of file bfin_twi.h.

#define SOVF 0x0008 /* Slave Overflow */

Definition at line 164 of file bfin_twi.h.

#define STDVAL 0x0004 /* Slave Transmit Data Valid */

Definition at line 130 of file bfin_twi.h.

#define STOP 0x0010 /* Issue Stop Condition */

Definition at line 143 of file bfin_twi.h.

#define TWI_ENA 0x0080 /* TWI Enable */

Definition at line 124 of file bfin_twi.h.

#define XMT_EMPTY 0x0000 /* Transmit FIFO Empty */

Definition at line 178 of file bfin_twi.h.

#define XMT_FULL 0x0003 /* Transmit FIFO Full (2 Bytes To Write) */

Definition at line 180 of file bfin_twi.h.

#define XMT_HALF 0x0001 /* Transmit FIFO Has 1 Byte To Write */

Definition at line 179 of file bfin_twi.h.

#define XMTFLUSH 0x0001 /* Transmit Buffer Flush */

Definition at line 171 of file bfin_twi.h.

#define XMTINTLEN 0x0004 /* Transmit Buffer Interrupt Length */

Definition at line 173 of file bfin_twi.h.

#define XMTSERV 0x0040 /* Transmit FIFO Service */

Definition at line 167 of file bfin_twi.h.

#define XMTSTAT 0x0003 /* Transmit FIFO Status */

Definition at line 177 of file bfin_twi.h.

Data Structures

Macros

Macro Definition Documentation