diff options
| author | Eric Hustvedt <ehustvedt@cecropia.com> | 2006-06-20 14:36:41 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2006-07-03 18:59:46 +1000 |
| commit | 3ce6fb4358bce6aced489f798138795163ad3f7c (patch) | |
| tree | 233894f62ac13a02bc88300e596f212656adc4d6 /drivers/video/intelfb | |
| parent | 0fe6e2d2928e089d16ec5ed7ba634c1d60916020 (diff) | |
| download | lwn-3ce6fb4358bce6aced489f798138795163ad3f7c.tar.gz lwn-3ce6fb4358bce6aced489f798138795163ad3f7c.zip | |
intelfb: add vsync interrupt support
[01/05] intelfb: Add 16-bit register access macros
This patch adds macros to read and write two-byte MMIO registers. The interrupt-related registers are all word-sized, rather than long-sized.
Signed-off-by: Eric Hustvedt <ehustvedt@cecropia.com>
Diffstat (limited to 'drivers/video/intelfb')
| -rw-r--r-- | drivers/video/intelfb/intelfbhw.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/intelfb/intelfbhw.h b/drivers/video/intelfb/intelfbhw.h index 10acda098b71..258235149913 100644 --- a/drivers/video/intelfb/intelfbhw.h +++ b/drivers/video/intelfb/intelfbhw.h @@ -468,9 +468,12 @@ /* I/O macros */ #define INREG8(addr) readb((u8 __iomem *)(dinfo->mmio_base + (addr))) +#define INREG16(addr) readw((u16 __iomem *)(dinfo->mmio_base + (addr))) #define INREG(addr) readl((u32 __iomem *)(dinfo->mmio_base + (addr))) #define OUTREG8(addr, val) writeb((val),(u8 __iomem *)(dinfo->mmio_base + \ (addr))) +#define OUTREG16(addr, val) writew((val),(u16 __iomem *)(dinfo->mmio_base + \ + (addr))) #define OUTREG(addr, val) writel((val),(u32 __iomem *)(dinfo->mmio_base + \ (addr))) |