1
2#include "xf86RamDac.h"
3
4extern _X_EXPORT RamDacHelperRecPtr BTramdacProbe(ScrnInfoPtr pScrn, RamDacSupportedInfoRecPtr ramdacs);
5extern _X_EXPORT void BTramdacSave(ScrnInfoPtr pScrn, RamDacRecPtr RamDacRec, RamDacRegRecPtr RamDacRegRec);
6extern _X_EXPORT void BTramdacRestore(ScrnInfoPtr pScrn, RamDacRecPtr RamDacRec, RamDacRegRecPtr RamDacRegRec);
7extern _X_EXPORT void BTramdacSetBpp(ScrnInfoPtr pScrn, RamDacRegRecPtr RamDacRegRec);
8
9#define ATT20C504_RAMDAC 	(VENDOR_BT << 16) | 0x00
10#define ATT20C505_RAMDAC 	(VENDOR_BT << 16) | 0x01
11#define BT485_RAMDAC		(VENDOR_BT << 16) | 0x02
12
13/*
14 * BT registers
15 */
16
17#define BT_WRITE_ADDR		0x00
18#define BT_RAMDAC_DATA		0x01
19#define BT_PIXEL_MASK		0x02
20#define BT_READ_ADDR		0x03
21#define BT_CURS_WR_ADDR		0x04
22#define BT_CURS_DATA		0x05
23#define BT_COMMAND_REG_0	0x06
24#define BT_CURS_RD_ADDR		0x07
25#define BT_COMMAND_REG_1	0x08
26#define BT_COMMAND_REG_2	0x09
27#define BT_STATUS_REG		0x0A
28#define BT_CURS_RAM_DATA	0x0B
29#define BT_CURS_X_LOW		0x0C
30#define BT_CURS_X_HIGH		0x0D
31#define BT_CURS_Y_LOW		0x0E
32#define BT_CURS_Y_HIGH		0x0F
33