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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
|
|
