1 #ifndef _LINUX_VFC_I2C_H_ 2 #define _LINUX_VFC_I2C_H_ 3 4 /* control bits */ 5 #define PIN (0x80000000) 6 #define ESO (0x40000000) 7 #define ES1 (0x20000000) 8 #define ES2 (0x10000000) 9 #define ENI (0x08000000) 10 #define STA (0x04000000) 11 #define STO (0x02000000) 12 #define ACK (0x01000000) 13 14 /* status bits */ 15 #define STS (0x20000000) 16 #define BER (0x10000000) 17 #define LRB (0x08000000) 18 #define AAS (0x04000000) 19 #define LAB (0x02000000) 20 #define BB (0x01000000) 21 22 #define SEND_I2C_START (PIN | ESO | STA) 23 #define SEND_I2C_STOP (PIN | ESO | STO) 24 #define CLEAR_I2C_BUS (PIN | ESO | ACK) 25 #define NEGATIVE_ACK ((ESO) & ~ACK) 26 27 #define SELECT(a) (a) 28 #define S0 (PIN | ESO | ES1) 29 #define S0_OWN (PIN) 30 #define S2 (PIN | ES1) 31 #define S3 (PIN | ES2) 32 33 #define ENABLE_SERIAL (PIN | ESO) 34 #define DISABLE_SERIAL (PIN) 35 #define RESET (PIN) 36 37 #define XMIT_LAST_BYTE (1) 38 #define VFC_I2C_ACK_CHECK (1) 39 #define VFC_I2C_NO_ACK_CHECK (0) 40 41 #endif /* _LINUX_VFC_I2C_H_ */ 42 43 44 45