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Commit 90c16bbf authored by Sonic Zhang's avatar Sonic Zhang Committed by Wolfram Sang
Browse files

i2c: i2c-bfin-twi: Move blackfin TWI register access Macro to head file. 



Depend on 1e92bf6d

Signed-off-by: default avatarSonic Zhang <sonic.zhang@analog.com>
Signed-off-by: default avatarWolfram Sang <w.sang@pengutronix.de>
parent f88aafe5

drivers/i2c/busses/i2c-bfin-twi.c

+0 −45
Original line number Diff line number Diff line
@@ -33,51 +33,6 @@ 
#define TWI_I2C_MODE_COMBINED		3

#define TWI_I2C_MODE_REPEAT		4



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;

	void __iomem		*regs_base;

};





#define DEFINE_TWI_REG(reg, off) \

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

	{ return bfin_read16(iface->regs_base + (off)); } \

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

	{ bfin_write16(iface->regs_base + (off), v); }



DEFINE_TWI_REG(CLKDIV, 0x00)

DEFINE_TWI_REG(CONTROL, 0x04)

DEFINE_TWI_REG(SLAVE_CTL, 0x08)

DEFINE_TWI_REG(SLAVE_STAT, 0x0C)

DEFINE_TWI_REG(SLAVE_ADDR, 0x10)

DEFINE_TWI_REG(MASTER_CTL, 0x14)

DEFINE_TWI_REG(MASTER_STAT, 0x18)

DEFINE_TWI_REG(MASTER_ADDR, 0x1C)

DEFINE_TWI_REG(INT_STAT, 0x20)

DEFINE_TWI_REG(INT_MASK, 0x24)

DEFINE_TWI_REG(FIFO_CTL, 0x28)

DEFINE_TWI_REG(FIFO_STAT, 0x2C)

DEFINE_TWI_REG(XMT_DATA8, 0x80)

DEFINE_TWI_REG(XMT_DATA16, 0x84)

DEFINE_TWI_REG(RCV_DATA8, 0x88)

DEFINE_TWI_REG(RCV_DATA16, 0x8C)



static void bfin_twi_handle_interrupt(struct bfin_twi_iface *iface,

					unsigned short twi_int_status)

{