|  | #ifndef _LINUX_VFC_I2C_H_ | 
|  | #define _LINUX_VFC_I2C_H_ | 
|  |  | 
|  | /* control bits */ | 
|  | #define PIN  (0x80000000) | 
|  | #define ESO  (0x40000000) | 
|  | #define ES1  (0x20000000) | 
|  | #define ES2  (0x10000000) | 
|  | #define ENI  (0x08000000) | 
|  | #define STA  (0x04000000) | 
|  | #define STO  (0x02000000) | 
|  | #define ACK  (0x01000000) | 
|  |  | 
|  | /* status bits */ | 
|  | #define STS  (0x20000000) | 
|  | #define BER  (0x10000000) | 
|  | #define LRB  (0x08000000) | 
|  | #define AAS  (0x04000000) | 
|  | #define LAB  (0x02000000) | 
|  | #define BB   (0x01000000) | 
|  |  | 
|  | #define SEND_I2C_START (PIN | ESO | STA) | 
|  | #define SEND_I2C_STOP (PIN | ESO | STO) | 
|  | #define CLEAR_I2C_BUS (PIN | ESO | ACK) | 
|  | #define NEGATIVE_ACK ((ESO) & ~ACK) | 
|  |  | 
|  | #define SELECT(a) (a) | 
|  | #define S0 (PIN | ESO | ES1) | 
|  | #define S0_OWN (PIN) | 
|  | #define S2 (PIN | ES1) | 
|  | #define S3 (PIN | ES2) | 
|  |  | 
|  | #define ENABLE_SERIAL (PIN | ESO) | 
|  | #define DISABLE_SERIAL (PIN) | 
|  | #define RESET (PIN) | 
|  |  | 
|  | #define XMIT_LAST_BYTE (1) | 
|  | #define VFC_I2C_ACK_CHECK (1) | 
|  | #define VFC_I2C_NO_ACK_CHECK (0) | 
|  |  | 
|  | #endif /* _LINUX_VFC_I2C_H_ */ | 
|  |  | 
|  |  | 
|  |  |