1 
2 #include "xf86RamDac.h"
3 
4 extern _X_EXPORT RamDacHelperRecPtr BTramdacProbe(ScrnInfoPtr pScrn,
5                                                   RamDacSupportedInfoRecPtr
6                                                   ramdacs);
7 extern _X_EXPORT void BTramdacSave(ScrnInfoPtr pScrn, RamDacRecPtr RamDacRec,
8                                    RamDacRegRecPtr RamDacRegRec);
9 extern _X_EXPORT void BTramdacRestore(ScrnInfoPtr pScrn, RamDacRecPtr RamDacRec,
10                                       RamDacRegRecPtr RamDacRegRec);
11 extern _X_EXPORT void BTramdacSetBpp(ScrnInfoPtr pScrn,
12                                      RamDacRegRecPtr RamDacRegRec);
13 
14 #define ATT20C504_RAMDAC 	(VENDOR_BT << 16) | 0x00
15 #define ATT20C505_RAMDAC 	(VENDOR_BT << 16) | 0x01
16 #define BT485_RAMDAC		(VENDOR_BT << 16) | 0x02
17 
18 /*
19  * BT registers
20  */
21 
22 #define BT_WRITE_ADDR		0x00
23 #define BT_RAMDAC_DATA		0x01
24 #define BT_PIXEL_MASK		0x02
25 #define BT_READ_ADDR		0x03
26 #define BT_CURS_WR_ADDR		0x04
27 #define BT_CURS_DATA		0x05
28 #define BT_COMMAND_REG_0	0x06
29 #define BT_CURS_RD_ADDR		0x07
30 #define BT_COMMAND_REG_1	0x08
31 #define BT_COMMAND_REG_2	0x09
32 #define BT_STATUS_REG		0x0A
33 #define BT_CURS_RAM_DATA	0x0B
34 #define BT_CURS_X_LOW		0x0C
35 #define BT_CURS_X_HIGH		0x0D
36 #define BT_CURS_Y_LOW		0x0E
37 #define BT_CURS_Y_HIGH		0x0F
38