8110fa1d94
Generated using: $ ./scripts/codeconverter/converter.py -i \ --pattern=TypeCheckMacro $(git grep -l '' -- '*.[ch]') Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20200831210740.126168-12-ehabkost@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20200831210740.126168-13-ehabkost@redhat.com> Message-Id: <20200831210740.126168-14-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*
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* QEMU 8253/8254 interval timer emulation
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*
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* Copyright (c) 2003-2004 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef HW_I8254_H
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#define HW_I8254_H
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#include "hw/qdev-properties.h"
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#include "hw/isa/isa.h"
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#include "qapi/error.h"
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#include "qom/object.h"
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#define PIT_FREQ 1193182
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typedef struct PITChannelInfo {
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int gate;
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int mode;
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int initial_count;
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int out;
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} PITChannelInfo;
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#define TYPE_PIT_COMMON "pit-common"
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typedef struct PITCommonState PITCommonState;
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typedef struct PITCommonClass PITCommonClass;
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DECLARE_OBJ_CHECKERS(PITCommonState, PITCommonClass,
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PIT_COMMON, TYPE_PIT_COMMON)
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#define TYPE_I8254 "isa-pit"
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#define TYPE_KVM_I8254 "kvm-pit"
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static inline ISADevice *i8254_pit_init(ISABus *bus, int base, int isa_irq,
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qemu_irq alt_irq)
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{
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DeviceState *dev;
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ISADevice *d;
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d = isa_new(TYPE_I8254);
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dev = DEVICE(d);
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qdev_prop_set_uint32(dev, "iobase", base);
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isa_realize_and_unref(d, bus, &error_fatal);
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qdev_connect_gpio_out(dev, 0,
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isa_irq >= 0 ? isa_get_irq(d, isa_irq) : alt_irq);
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return d;
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}
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static inline ISADevice *kvm_pit_init(ISABus *bus, int base)
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{
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DeviceState *dev;
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ISADevice *d;
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d = isa_new(TYPE_KVM_I8254);
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dev = DEVICE(d);
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qdev_prop_set_uint32(dev, "iobase", base);
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isa_realize_and_unref(d, bus, &error_fatal);
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return d;
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}
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void pit_set_gate(ISADevice *dev, int channel, int val);
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void pit_get_channel_info(ISADevice *dev, int channel, PITChannelInfo *info);
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#endif /* HW_I8254_H */
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