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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _VBUTIL_
#define _VBUTIL_
static inline void xgifb_reg_set(unsigned long port, u8 index, u8 data)
{
outb(index, port);
outb(data, port + 1);
}
static inline u8 xgifb_reg_get(unsigned long port, u8 index)
{
outb(index, port);
return inb(port + 1);
}
static inline void xgifb_reg_and_or(unsigned long port, u8 index,
unsigned int data_and, unsigned int data_or)
{
u8 temp;
temp = xgifb_reg_get(port, index);
temp = (u8)((temp & data_and) | data_or);
xgifb_reg_set(port, index, temp);
}
static inline void xgifb_reg_and(unsigned long port, u8 index,
unsigned int data_and)
{
u8 temp;
temp = xgifb_reg_get(port, index);
temp = (u8)(temp & data_and);
xgifb_reg_set(port, index, temp);
}
static inline void xgifb_reg_or(unsigned long port, u8 index,
unsigned int data_or)
{
u8 temp;
temp = xgifb_reg_get(port, index);
temp |= data_or;
xgifb_reg_set(port, index, temp);
}
#endif
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