vfc_i2c.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:1k
- #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_ */