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Thomas Gleixner
01898e3e29
Remove the hysterical outb/inb_pit defines and use outb_p/inb_p in the code. Signed-off-by: Thomas Gleixner <[email protected]> Cc: Russell King <[email protected]> Cc: Ralf Baechle <[email protected]> Cc: John Stultz <[email protected]> Link: http://lkml.kernel.org/r/[email protected]
30 lines
764 B
C
30 lines
764 B
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Machine specific IO port address definition for generic.
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* Written by Osamu Tomita <[email protected]>
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*/
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#ifndef __LINUX_I8253_H
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#define __LINUX_I8253_H
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#include <linux/param.h>
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#include <linux/spinlock.h>
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#include <linux/timex.h>
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/* i8253A PIT registers */
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#define PIT_MODE 0x43
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#define PIT_CH0 0x40
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#define PIT_CH2 0x42
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#define PIT_LATCH ((PIT_TICK_RATE + HZ/2) / HZ)
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extern raw_spinlock_t i8253_lock;
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extern struct clock_event_device i8253_clockevent;
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extern void clockevent_i8253_init(bool oneshot);
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extern void setup_pit_timer(void);
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#endif /* __LINUX_I8253_H */
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