1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
45 lines
942 B
C
45 lines
942 B
C
#ifndef _LINUX_VFC_I2C_H_
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#define _LINUX_VFC_I2C_H_
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/* control bits */
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#define PIN (0x80000000)
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#define ESO (0x40000000)
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#define ES1 (0x20000000)
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#define ES2 (0x10000000)
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#define ENI (0x08000000)
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#define STA (0x04000000)
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#define STO (0x02000000)
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#define ACK (0x01000000)
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/* status bits */
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#define STS (0x20000000)
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#define BER (0x10000000)
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#define LRB (0x08000000)
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#define AAS (0x04000000)
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#define LAB (0x02000000)
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#define BB (0x01000000)
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#define SEND_I2C_START (PIN | ESO | STA)
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#define SEND_I2C_STOP (PIN | ESO | STO)
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#define CLEAR_I2C_BUS (PIN | ESO | ACK)
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#define NEGATIVE_ACK ((ESO) & ~ACK)
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#define SELECT(a) (a)
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#define S0 (PIN | ESO | ES1)
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#define S0_OWN (PIN)
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#define S2 (PIN | ES1)
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#define S3 (PIN | ES2)
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#define ENABLE_SERIAL (PIN | ESO)
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#define DISABLE_SERIAL (PIN)
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#define RESET (PIN)
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#define XMIT_LAST_BYTE (1)
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#define VFC_I2C_ACK_CHECK (1)
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#define VFC_I2C_NO_ACK_CHECK (0)
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#endif /* _LINUX_VFC_I2C_H_ */
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