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#include "xf86RamDac.h"
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extern _X_EXPORT RamDacHelperRecPtr BTramdacProbe(ScrnInfoPtr pScrn,
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RamDacSupportedInfoRecPtr
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ramdacs);
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extern _X_EXPORT void BTramdacSave(ScrnInfoPtr pScrn, RamDacRecPtr RamDacRec,
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RamDacRegRecPtr RamDacRegRec);
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extern _X_EXPORT void BTramdacRestore(ScrnInfoPtr pScrn, RamDacRecPtr RamDacRec,
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RamDacRegRecPtr RamDacRegRec);
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extern _X_EXPORT void BTramdacSetBpp(ScrnInfoPtr pScrn,
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RamDacRegRecPtr RamDacRegRec);
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#define ATT20C504_RAMDAC (VENDOR_BT << 16) | 0x00
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#define ATT20C505_RAMDAC (VENDOR_BT << 16) | 0x01
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#define BT485_RAMDAC (VENDOR_BT << 16) | 0x02
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/*
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* BT registers
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*/
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#define BT_WRITE_ADDR 0x00
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#define BT_RAMDAC_DATA 0x01
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#define BT_PIXEL_MASK 0x02
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#define BT_READ_ADDR 0x03
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#define BT_CURS_WR_ADDR 0x04
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#define BT_CURS_DATA 0x05
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#define BT_COMMAND_REG_0 0x06
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#define BT_CURS_RD_ADDR 0x07
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#define BT_COMMAND_REG_1 0x08
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#define BT_COMMAND_REG_2 0x09
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#define BT_STATUS_REG 0x0A
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#define BT_CURS_RAM_DATA 0x0B
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#define BT_CURS_X_LOW 0x0C
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#define BT_CURS_X_HIGH 0x0D
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#define BT_CURS_Y_LOW 0x0E
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#define BT_CURS_Y_HIGH 0x0F
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