diff options
Diffstat (limited to 'include/linux/i2c-algo-pca.h')
| -rw-r--r-- | include/linux/i2c-algo-pca.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/i2c-algo-pca.h b/include/linux/i2c-algo-pca.h index a3c3ecd59f0..afd50a76ab3 100644 --- a/include/linux/i2c-algo-pca.h +++ b/include/linux/i2c-algo-pca.h @@ -5,6 +5,11 @@ #define I2C_PCA_CHIP_9564 0x00 #define I2C_PCA_CHIP_9665 0x01 + +#define I2C_PCA_CHIP_9665_BUFSIZE 64 +#define I2C_PCA_BYTE_MODE 0x0 +#define I2C_PCA_BUFFERED_MODE 0x1 + /* Internal period for PCA9665 oscilator */ #define I2C_PCA_OSC_PER 3 /* e10-8s */ @@ -50,19 +55,24 @@ #define I2C_PCA_CON_STA 0x20 /* Start */ #define I2C_PCA_CON_STO 0x10 /* Stop */ #define I2C_PCA_CON_SI 0x08 /* Serial Interrupt */ +#define I2C_PCA_CON_MODE 0x01 /* Mode */ #define I2C_PCA_CON_CR 0x07 /* Clock Rate (MASK) */ struct i2c_algo_pca_data { - void *data; /* private low level data */ + void *data; /* private low level data */ void (*write_byte) (void *data, int reg, int val); int (*read_byte) (void *data, int reg); int (*wait_for_completion) (void *data); void (*reset_chip) (void *data); + void (*request_access) (void *data); + void (*release_access) (void *data); /* For PCA9564, use one of the predefined frequencies: * 330000, 288000, 217000, 146000, 88000, 59000, 44000, 36000 * For PCA9665, use the frequency you want here. */ unsigned int i2c_clock; unsigned int chip; + unsigned int mode; + unsigned int buf_size; }; int i2c_pca_add_bus(struct i2c_adapter *); |