i2c-designware-core.h File Reference

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Data Structures
struct	dw_i2c_dev

Macros
#define	DW_IC_CON_MASTER   0x1
#define	DW_IC_CON_SPEED_STD   0x2
#define	DW_IC_CON_SPEED_FAST   0x4
#define	DW_IC_CON_10BITADDR_MASTER   0x10
#define	DW_IC_CON_RESTART_EN   0x20
#define	DW_IC_CON_SLAVE_DISABLE   0x40
#define	ACCESS_SWAP   0x00000001
#define	ACCESS_16BIT   0x00000002

Functions
u32	dw_readl (struct dw_i2c_dev *dev, int offset)
void	dw_writel (struct dw_i2c_dev *dev, u32 b, int offset)
int	i2c_dw_init (struct dw_i2c_dev *dev)
int	i2c_dw_xfer (struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
u32	i2c_dw_func (struct i2c_adapter *adap)
irqreturn_t	i2c_dw_isr (int this_irq, void *dev_id)
void	i2c_dw_enable (struct dw_i2c_dev *dev)
u32	i2c_dw_is_enabled (struct dw_i2c_dev *dev)
void	i2c_dw_disable (struct dw_i2c_dev *dev)
void	i2c_dw_clear_int (struct dw_i2c_dev *dev)
void	i2c_dw_disable_int (struct dw_i2c_dev *dev)
u32	i2c_dw_read_comp_param (struct dw_i2c_dev *dev)

Macro Definition Documentation

#define ACCESS_16BIT   0x00000002

Definition at line 94 of file i2c-designware-core.h.

#define ACCESS_SWAP   0x00000001

Definition at line 93 of file i2c-designware-core.h.

#define DW_IC_CON_10BITADDR_MASTER   0x10

Definition at line 33 of file i2c-designware-core.h.

#define DW_IC_CON_MASTER   0x1

Definition at line 30 of file i2c-designware-core.h.

#define DW_IC_CON_RESTART_EN   0x20

Definition at line 34 of file i2c-designware-core.h.

#define DW_IC_CON_SLAVE_DISABLE   0x40

Definition at line 35 of file i2c-designware-core.h.

#define DW_IC_CON_SPEED_FAST   0x4

Definition at line 32 of file i2c-designware-core.h.

#define DW_IC_CON_SPEED_STD   0x2

Definition at line 31 of file i2c-designware-core.h.

Function Documentation

u32 dw_readl	(	struct dw_i2c_dev *	dev,
		int	offset
	)

Definition at line 166 of file i2c-designware-core.c.

void dw_writel	(	struct dw_i2c_dev *	dev,
		u32	b,
		int	offset
	)

Definition at line 182 of file i2c-designware-core.c.

void i2c_dw_clear_int

(

struct dw_i2c_dev *

dev

)

Definition at line 711 of file i2c-designware-core.c.

void i2c_dw_disable

(

struct dw_i2c_dev *

dev

)

Definition at line 700 of file i2c-designware-core.c.

void i2c_dw_disable_int

(

struct dw_i2c_dev *

dev

)

Definition at line 717 of file i2c-designware-core.c.

void i2c_dw_enable

(

struct dw_i2c_dev *

dev

)

Definition at line 687 of file i2c-designware-core.c.

u32 i2c_dw_func

(

struct i2c_adapter *

adap

)

Definition at line 575 of file i2c-designware-core.c.

int i2c_dw_init

(

struct dw_i2c_dev *

dev

)

i2c_dw_init() - initialize the designware i2c master hardware : device private data

This functions configures and enables the I2C master. This function is called during I2C init function, and in case of timeout at run time.

Definition at line 258 of file i2c-designware-core.c.

u32 i2c_dw_is_enabled

(

struct dw_i2c_dev *

dev

)

Definition at line 694 of file i2c-designware-core.c.

irqreturn_t i2c_dw_isr	(	int	this_irq,
		void *	dev_id
	)

Definition at line 641 of file i2c-designware-core.c.

u32 i2c_dw_read_comp_param

(

struct dw_i2c_dev *

dev

)

Definition at line 723 of file i2c-designware-core.c.

int i2c_dw_xfer	(	struct i2c_adapter *	adap,
		struct i2c_msg	msgs[],
		int	num
	)

Definition at line 510 of file i2c-designware-core.c.