diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
commit | 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch) | |
tree | e9891aa6c295060d065adffd610c4f49ecf884f3 /drivers/staging/xgifb/vb_util.h | |
parent | a71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff) |
Linux-libre 4.3.2-gnu
Diffstat (limited to 'drivers/staging/xgifb/vb_util.h')
-rw-r--r-- | drivers/staging/xgifb/vb_util.h | 44 |
1 files changed, 39 insertions, 5 deletions
diff --git a/drivers/staging/xgifb/vb_util.h b/drivers/staging/xgifb/vb_util.h index 9161de1d3..7bd395fb3 100644 --- a/drivers/staging/xgifb/vb_util.h +++ b/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 = (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 &= 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 |