blackfin: twi: Move TWI MMR access macro to twi head file

#undef __BFP

struct bfin_twi_iface {

	int			irq;

	spinlock_t		lock;

	char			read_write;

	u8			command;

	u8			*transPtr;

	int			readNum;

	int			writeNum;

	int			cur_mode;

	int			manual_stop;

	int			result;

	struct i2c_adapter	adap;

	struct completion	complete;

	struct i2c_msg		*pmsg;

	int			msg_num;

	int			cur_msg;

	u16			saved_clkdiv;

	u16			saved_control;

	struct bfin_twi_regs	*regs_base;

};

#define DEFINE_TWI_REG(reg_name, reg) \

static inline u16 read_##reg_name(struct bfin_twi_iface *iface) \

	{ return iface->regs_base->reg; } \

static inline void write_##reg_name(struct bfin_twi_iface *iface, u16 v) \

	{ iface->regs_base->reg = v; }

DEFINE_TWI_REG(CLKDIV, clkdiv)

DEFINE_TWI_REG(CONTROL, control)

DEFINE_TWI_REG(SLAVE_CTL, slave_ctl)

DEFINE_TWI_REG(SLAVE_STAT, slave_stat)

DEFINE_TWI_REG(SLAVE_ADDR, slave_addr)

DEFINE_TWI_REG(MASTER_CTL, master_ctl)

DEFINE_TWI_REG(MASTER_STAT, master_stat)

DEFINE_TWI_REG(MASTER_ADDR, master_addr)

DEFINE_TWI_REG(INT_STAT, int_stat)

DEFINE_TWI_REG(INT_MASK, int_mask)

DEFINE_TWI_REG(FIFO_CTL, fifo_ctl)

DEFINE_TWI_REG(FIFO_STAT, fifo_stat)

DEFINE_TWI_REG(XMT_DATA8, xmt_data8)

DEFINE_TWI_REG(XMT_DATA16, xmt_data16)

DEFINE_TWI_REG(RCV_DATA8, rcv_data8)

DEFINE_TWI_REG(RCV_DATA16, rcv_data16)

/*  ********************  TWO-WIRE INTERFACE (TWI) MASKS  ***********************/

/* TWI_CLKDIV Macros (Use: *pTWI_CLKDIV = CLKLOW(x)|CLKHI(y);  )				*/

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