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i8254: Factor out interface header

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Move the public interface of the PIT into its own header file and update
all users.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2012-02-01 20:31:39 +01:00 • committed by Anthony Liguori
parent 5904ae4eba
commit b1277b03d4
12 changed files with 64 additions and 25 deletions
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54
hw/i8254.h Normal file
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/*
* QEMU 8253/8254 interval timer emulation
*
* Copyright (c) 2003-2004 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef HW_I8254_H
#define HW_I8254_H
#include "hw.h"
#include "isa.h"
#define PIT_FREQ 1193182
static inline ISADevice *pit_init(ISABus *bus, int base, int irq)
{
ISADevice *dev;
dev = isa_create(bus, "isa-pit");
qdev_prop_set_uint32(&dev->qdev, "iobase", base);
qdev_prop_set_uint32(&dev->qdev, "irq", irq);
qdev_init_nofail(&dev->qdev);
return dev;
}
void pit_set_gate(ISADevice *dev, int channel, int val);
int pit_get_gate(ISADevice *dev, int channel);
int pit_get_initial_count(ISADevice *dev, int channel);
int pit_get_mode(ISADevice *dev, int channel);
int pit_get_out(ISADevice *dev, int channel, int64_t current_time);
void hpet_pit_disable(void);
void hpet_pit_enable(void);
#endif /* !HW_I8254_H */