1 #include "vb_def.h"
2 #include "vgatypes.h"
3 #include "vb_struct.h"
4 
5 #include "XGIfb.h"
6 #include <asm/io.h>
7 #include <linux/types.h>
8 
9 #include "vb_util.h"
10 
xgifb_reg_set(unsigned long port,u8 index,u8 data)11 void xgifb_reg_set(unsigned long port, u8 index, u8 data)
12 {
13 	outb(index, port);
14 	outb(data, port + 1);
15 }
16 
xgifb_reg_get(unsigned long port,u8 index)17 u8 xgifb_reg_get(unsigned long port, u8 index)
18 {
19 	u8 data;
20 
21 	outb(index, port);
22 	data = inb(port + 1);
23 	return data;
24 }
25 
xgifb_reg_and_or(unsigned long port,u8 index,unsigned data_and,unsigned data_or)26 void xgifb_reg_and_or(unsigned long port, u8 index,
27 		unsigned data_and, unsigned data_or)
28 {
29 	u8 temp;
30 
31 	temp = xgifb_reg_get(port, index); /* XGINew_Part1Port index 02 */
32 	temp = (temp & data_and) | data_or;
33 	xgifb_reg_set(port, index, temp);
34 }
35 
xgifb_reg_and(unsigned long port,u8 index,unsigned data_and)36 void xgifb_reg_and(unsigned long port, u8 index, unsigned data_and)
37 {
38 	u8 temp;
39 
40 	temp = xgifb_reg_get(port, index); /* XGINew_Part1Port index 02 */
41 	temp &= data_and;
42 	xgifb_reg_set(port, index, temp);
43 }
44 
xgifb_reg_or(unsigned long port,u8 index,unsigned data_or)45 void xgifb_reg_or(unsigned long port, u8 index, unsigned data_or)
46 {
47 	u8 temp;
48 
49 	temp = xgifb_reg_get(port, index); /* XGINew_Part1Port index 02 */
50 	temp |= data_or;
51 	xgifb_reg_set(port, index, temp);
52 }
53