diff options
| author | Eric Hustvedt <ehustvedt@cecropia.com> | 2006-06-20 20:36:41 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2006-07-03 10:59:46 +0200 |
| commit | 7649757bd900bc900adcd95ab08903cdc28342fa (patch) | |
| tree | 4c710d9e458ff3c6731180aca738123886f7adec /drivers/video/intelfb/intelfbhw.h | |
| parent | intelfb: add vsync interrupt support (diff) | |
| download | linux-7649757bd900bc900adcd95ab08903cdc28342fa.tar.xz linux-7649757bd900bc900adcd95ab08903cdc28342fa.zip | |
intelfb: add vsync interrupt support
[03/05] intelfb: Implement basic interrupt handling
Functions have been added to enable and disable interrupts using the MMIO registers. Currently only pipe A vsync interrupts are enabled.
A generalized vsync accounting struct is defined, with the intent that it can encapsulate per-pipe vsync related info in the future. Currently a single instance is hard-coded.
The interrupt service routine currently only looks for vsync interrupts on pipe A, and increments a counter and wakes up anyone waiting on it.
This implementation is heavily influenced by similar implementations in the atyfb and matroxfb drivers.
Signed-off-by: Eric Hustvedt <ehustvedt@cecropia.com>
Diffstat (limited to 'drivers/video/intelfb/intelfbhw.h')
| -rw-r--r-- | drivers/video/intelfb/intelfbhw.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/video/intelfb/intelfbhw.h b/drivers/video/intelfb/intelfbhw.h index 8d2e36972fc8..aa0c139a2301 100644 --- a/drivers/video/intelfb/intelfbhw.h +++ b/drivers/video/intelfb/intelfbhw.h @@ -561,5 +561,7 @@ extern void intelfbhw_cursor_setcolor(struct intelfb_info *dinfo, u32 bg, extern void intelfbhw_cursor_load(struct intelfb_info *dinfo, int width, int height, u8 *data); extern void intelfbhw_cursor_reset(struct intelfb_info *dinfo); +extern int intelfbhw_enable_irq(struct intelfb_info *dinfo, int reenable); +extern void intelfbhw_disable_irq(struct intelfb_info *dinfo); #endif /* _INTELFBHW_H */ |