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dp_raw: Add AUX communication defines

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This commit is contained in:
Alexander von Gluck IV
2012-04-02 15:45:13 -05:00
parent 30d5507541
commit 37550d80c9
1 changed files with 20 additions and 0 deletions
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headers/private/graphics/common/dp_raw.h
+20
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@@ -9,6 +9,26 @@
#define _DP_RAW_H #define _DP_RAW_H
/* ****************************************************** */
/* *** AUX Channel Communications *** */
// Native AUX Communications
#define AUX_NATIVE_WRITE 0x8
#define AUX_NATIVE_READ 0x9
#define AUX_NATIVE_REPLY_ACK (0x0 << 4)
#define AUX_NATIVE_REPLY_NACK (0x1 << 4)
#define AUX_NATIVE_REPLY_DEFER (0x2 << 4)
#define AUX_NATIVE_REPLY_MASK (0x3 << 4)
// AUX i2c Communications
#define AUX_I2C_WRITE 0x0
#define AUX_I2C_READ 0x1
#define AUX_I2C_STATUS 0x2
#define AUX_I2C_MOT 0x4
#define AUX_I2C_REPLY_ACK (0x0 << 6)
#define AUX_I2C_REPLY_NACK (0x1 << 6)
#define AUX_I2C_REPLY_DEFER (0x2 << 6)
#define AUX_I2C_REPLY_MASK (0x3 << 6)
/* ****************************************************** */ /* ****************************************************** */
/* *** DPCD (DisplayPort Configuration Data) *** */ /* *** DPCD (DisplayPort Configuration Data) *** */
/* *** Read / Written over DisplayPort AUX link *** */ /* *** Read / Written over DisplayPort AUX link *** */