diff options
Diffstat (limited to 'kernel/drivers/staging/xgifb/vb_util.h')
| -rw-r--r-- | kernel/drivers/staging/xgifb/vb_util.h | 44 |
1 files changed, 39 insertions, 5 deletions
diff --git a/kernel/drivers/staging/xgifb/vb_util.h b/kernel/drivers/staging/xgifb/vb_util.h index 9161de1d3..f613f54d5 100644 --- a/kernel/drivers/staging/xgifb/vb_util.h +++ b/kernel/drivers/staging/xgifb/vb_util.h @@ -1,9 +1,43 @@ #ifndef _VBUTIL_ #define _VBUTIL_ -extern void xgifb_reg_set(unsigned long, u8, u8); -extern u8 xgifb_reg_get(unsigned long, u8); -extern void xgifb_reg_or(unsigned long, u8, unsigned); -extern void xgifb_reg_and(unsigned long, u8, unsigned); -extern void xgifb_reg_and_or(unsigned long, u8, unsigned, unsigned); +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 data_and, unsigned 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 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 data_or) +{ + u8 temp; + + temp = xgifb_reg_get(port, index); + temp |= data_or; + xgifb_reg_set(port, index, temp); +} #endif |