x11include/xorg-server-1.12.0/BT.h

	BT.h revision f0ab104f070bc7f569404826fea1828ed985638c

#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