/*
	SMSC SMC FDC37C665 Super I/O Chip
	Used by Batman's Revenge
*/

#include "ibm.h"

#include "io.h"
#include "disc.h"
#include "fdd.h"
#include "fdc.h"
#include "superio_detect.h"

static int fdc37c665_locked;
static int fdc37c665_curreg = 0;
static uint8_t detect_regs[2];
static uint8_t tries;

void superio_detect_write(uint16_t port, uint8_t val, void *priv)
{
	uint8_t index = (port & 1) ? 0 : 1;
	uint8_t valxor = 0;
        int temp;
        pclog("superio_detect_write : port=%04x = %02X\n", port, val);

	detect_regs[port & 1] = val;
	return;
}

uint8_t superio_detect_read(uint16_t port, void *priv)
{
        pclog("superio_detect_read : port=%04x = %02X\n", port, detect_regs[port & 1]);

	return detect_regs[port & 1];
}

void superio_detect_init()
{
	fdc_remove();
	fdc_add_for_superio();

        io_sethandler(0x24, 0x0002, superio_detect_read, NULL, NULL, superio_detect_write, NULL, NULL,  NULL);
        io_sethandler(0x26, 0x0002, superio_detect_read, NULL, NULL, superio_detect_write, NULL, NULL,  NULL);
        io_sethandler(0x2e, 0x0002, superio_detect_read, NULL, NULL, superio_detect_write, NULL, NULL,  NULL);
        io_sethandler(0x44, 0x0002, superio_detect_read, NULL, NULL, superio_detect_write, NULL, NULL,  NULL);
        io_sethandler(0x46, 0x0002, superio_detect_read, NULL, NULL, superio_detect_write, NULL, NULL,  NULL);
        io_sethandler(0x4e, 0x0002, superio_detect_read, NULL, NULL, superio_detect_write, NULL, NULL,  NULL);
        io_sethandler(0x108, 0x0002, superio_detect_read, NULL, NULL, superio_detect_write, NULL, NULL,  NULL);
        io_sethandler(0x250, 0x0002, superio_detect_read, NULL, NULL, superio_detect_write, NULL, NULL,  NULL);
        io_sethandler(0x370, 0x0002, superio_detect_read, NULL, NULL, superio_detect_write, NULL, NULL,  NULL);
        io_sethandler(0x3f0, 0x0002, superio_detect_read, NULL, NULL, superio_detect_write, NULL, NULL,  NULL);
}