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/*
* SMC FDC37C669 Super I/O controller
*
* Copyright (c) 2018 Philippe Mathieu-Daudé
*
* This code is licensed under the GNU GPLv2 and later.
* See the COPYING file in the top-level directory.
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "qemu/osdep.h"
#include "hw/isa/superio.h"
/* UARTs (compatible with NS16450 or PC16550) */
static bool is_serial_enabled(ISASuperIODevice *sio, uint8_t index)
{
return index < 2;
}
static uint16_t get_serial_iobase(ISASuperIODevice *sio, uint8_t index)
{
return index ? 0x2f8 : 0x3f8;
}
static unsigned int get_serial_irq(ISASuperIODevice *sio, uint8_t index)
{
return index ? 3 : 4;
}
/* Parallel port */
static bool is_parallel_enabled(ISASuperIODevice *sio, uint8_t index)
{
return index < 1;
}
static uint16_t get_parallel_iobase(ISASuperIODevice *sio, uint8_t index)
{
return 0x3bc;
}
static unsigned int get_parallel_irq(ISASuperIODevice *sio, uint8_t index)
{
return 7;
}
static unsigned int get_parallel_dma(ISASuperIODevice *sio, uint8_t index)
{
return 3;
}
/* Diskette controller (Software compatible with the Intel PC8477) */
static bool is_fdc_enabled(ISASuperIODevice *sio, uint8_t index)
{
return index < 1;
}
static uint16_t get_fdc_iobase(ISASuperIODevice *sio, uint8_t index)
{
return 0x3f0;
}
static unsigned int get_fdc_irq(ISASuperIODevice *sio, uint8_t index)
{
return 6;
}
static unsigned int get_fdc_dma(ISASuperIODevice *sio, uint8_t index)
{
return 2;
}
static void smc37c669_class_init(ObjectClass *klass, void *data)
{
ISASuperIOClass *sc = ISA_SUPERIO_CLASS(klass);
sc->parallel = (ISASuperIOFuncs){
.count = 1,
.is_enabled = is_parallel_enabled,
.get_iobase = get_parallel_iobase,
.get_irq = get_parallel_irq,
.get_dma = get_parallel_dma,
};
sc->serial = (ISASuperIOFuncs){
.count = 2,
.is_enabled = is_serial_enabled,
.get_iobase = get_serial_iobase,
.get_irq = get_serial_irq,
};
sc->floppy = (ISASuperIOFuncs){
.count = 1,
.is_enabled = is_fdc_enabled,
.get_iobase = get_fdc_iobase,
.get_irq = get_fdc_irq,
.get_dma = get_fdc_dma,
};
sc->ide.count = 0;
}
static const TypeInfo smc37c669_type_info = {
.name = TYPE_SMC37C669_SUPERIO,
.parent = TYPE_ISA_SUPERIO,
.instance_size = sizeof(ISASuperIODevice),
.class_size = sizeof(ISASuperIOClass),
.class_init = smc37c669_class_init,
};
static void smc37c669_register_types(void)
{
type_register_static(&smc37c669_type_info);
}
type_init(smc37c669_register_types)
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