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| author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
|---|---|---|
| committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
| commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
| tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /include/linux/i8253.h | |
| parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'include/linux/i8253.h')
| -rw-r--r-- | include/linux/i8253.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/i8253.h b/include/linux/i8253.h new file mode 100644 index 00000000..e6bb36a9 --- /dev/null +++ b/include/linux/i8253.h @@ -0,0 +1,29 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Machine specific IO port address definition for generic. + * Written by Osamu Tomita <tomita@cinet.co.jp> + */ +#ifndef __LINUX_I8253_H +#define __LINUX_I8253_H + +#include <linux/param.h> +#include <linux/spinlock.h> +#include <linux/timex.h> + +/* i8253A PIT registers */ +#define PIT_MODE 0x43 +#define PIT_CH0 0x40 +#define PIT_CH2 0x42 + +#define PIT_LATCH ((PIT_TICK_RATE + HZ/2) / HZ) + +extern raw_spinlock_t i8253_lock; +extern struct clock_event_device i8253_clockevent; +extern void clockevent_i8253_init(bool oneshot); + +extern void setup_pit_timer(void); + +#endif /* __LINUX_I8253_H */ |