54 lines
1.0 KiB
C
54 lines
1.0 KiB
C
#include <linux/io.h>
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#include <linux/types.h>
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#include "vb_def.h"
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#include "vgatypes.h"
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#include "vb_struct.h"
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#include "XGIfb.h"
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#include "vb_util.h"
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void xgifb_reg_set(unsigned long port, u8 index, u8 data)
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{
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outb(index, port);
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outb(data, port + 1);
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}
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u8 xgifb_reg_get(unsigned long port, u8 index)
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{
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u8 data;
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outb(index, port);
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data = inb(port + 1);
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return data;
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}
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void xgifb_reg_and_or(unsigned long port, u8 index,
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unsigned data_and, unsigned data_or)
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{
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u8 temp;
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temp = xgifb_reg_get(port, index); /* XGINew_Part1Port index 02 */
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temp = (temp & data_and) | data_or;
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xgifb_reg_set(port, index, temp);
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}
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void xgifb_reg_and(unsigned long port, u8 index, unsigned data_and)
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{
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u8 temp;
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temp = xgifb_reg_get(port, index); /* XGINew_Part1Port index 02 */
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temp &= data_and;
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xgifb_reg_set(port, index, temp);
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}
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void xgifb_reg_or(unsigned long port, u8 index, unsigned data_or)
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{
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u8 temp;
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temp = xgifb_reg_get(port, index); /* XGINew_Part1Port index 02 */
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temp |= data_or;
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xgifb_reg_set(port, index, temp);
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}
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