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fixed formatting

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This commit is contained in:
Markus Fröschle
2015-01-07 13:54:35 +00:00
parent 1ca15ed48b
commit 19c8636eae
4 changed files with 64 additions and 50 deletions
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23
include/i2c-algo-bit.h
View File

@@ -32,18 +32,19 @@
* manipulate the line states, and to init any hw-specific features. This is
* only used if you have more than one hw-type of adapter running.
*/
struct i2c_algo_bit_data {
void *data; /* private data for lowlevel routines */
void (*setsda) (void *data, int state);
void (*setscl) (void *data, int state);
int (*getsda) (void *data);
int (*getscl) (void *data);
struct i2c_algo_bit_data
{
void *data; /* private data for lowlevel routines */
void (*setsda) (void *data, int state);
void (*setscl) (void *data, int state);
int (*getsda) (void *data);
int (*getscl) (void *data);
/* local settings */
int udelay; /* half-clock-cycle time in microsecs */
/* i.e. clock is (500 / udelay) KHz */
int mdelay; /* in millisecs, unused */
int timeout; /* in jiffies */
/* local settings */
int udelay; /* half-clock-cycle time in microsecs */
/* i.e. clock is (500 / udelay) KHz */
int mdelay; /* in millisecs, unused */
int timeout; /* in jiffies */
};
#define I2C_BIT_ADAP_MAX 16

47
include/i2c.h
View File

@@ -44,39 +44,42 @@ extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
* be addressed using the same bus algorithms - i.e. bit-banging or the PCF8584
* to name two of the most common.
*/
struct i2c_algorithm {
unsigned int id;
int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs, int num);
/* --- ioctl like call to set div. parameters. */
int (*algo_control)(struct i2c_adapter *, unsigned int, unsigned long);
struct i2c_algorithm
{
unsigned int id;
int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs, int num);
/* --- ioctl like call to set div. parameters. */
int (*algo_control)(struct i2c_adapter *, unsigned int, unsigned long);
};
/*
* i2c_adapter is the structure used to identify a physical i2c bus along
* with the access algorithms necessary to access it.
*/
struct i2c_adapter {
struct i2c_algorithm *algo;/* the algorithm to access the bus */
void *algo_data;
int timeout;
int retries;
int nr;
struct i2c_adapter
{
struct i2c_algorithm *algo; /* the algorithm to access the bus */
void *algo_data;
int timeout;
int retries;
int nr;
};
/*
* I2C Message - used for pure i2c transaction, also from /dev interface
*/
struct i2c_msg {
unsigned short addr; /* slave address */
unsigned short flags;
#define I2C_M_TEN 0x10 /* we have a ten bit chip address */
#define I2C_M_RD 0x01
#define I2C_M_NOSTART 0x4000
#define I2C_M_REV_DIR_ADDR 0x2000
#define I2C_M_IGNORE_NAK 0x1000
#define I2C_M_NO_RD_ACK 0x0800
unsigned short len; /* msg length */
unsigned char *buf; /* pointer to msg data */
struct i2c_msg
{
unsigned short addr; /* slave address */
unsigned short flags;
#define I2C_M_TEN 0x10 /* we have a ten bit chip address */
#define I2C_M_RD 0x01
#define I2C_M_NOSTART 0x4000
#define I2C_M_REV_DIR_ADDR 0x2000
#define I2C_M_IGNORE_NAK 0x1000
#define I2C_M_NO_RD_ACK 0x0800
unsigned short len; /* msg length */
unsigned char *buf; /* pointer to msg data */
};
#endif /* _I2C_H */