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