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Give the OPTi 931 its PnP quaternary IDE controller

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win2kgamer
2025-12-03 17:37:06 -06:00
parent 34ac49558b
commit 3c56968921
3 changed files with 40 additions and 1 deletions
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30
src/disk/hdc_ide.c
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@@ -3010,6 +3010,36 @@ ide_pnp_config_changed_1addr(uint8_t ld, isapnp_device_config_t *config, void *p
}
}
/* OPTi 931 PnP ROM flips the main and side IDE I/O port ranges */
void
ide_pnp_config_changed_opti931(uint8_t ld, isapnp_device_config_t *config, void *priv)
{
intptr_t board = (intptr_t) priv;
if (ld)
return;
if (ide_boards[board]->base[0] || ide_boards[board]->base[1]) {
ide_remove_handlers(board);
ide_boards[board]->base[0] = ide_boards[board]->base[1] = 0;
}
ide_boards[board]->irq = -1;
if (config->activate) {
ide_boards[board]->base[1] = (config->io[0].base != ISAPNP_IO_DISABLED) ?
config->io[0].base : 0x0000;
ide_boards[board]->base[0] = (config->io[1].base != ISAPNP_IO_DISABLED) ?
config->io[1].base : 0x0000;
if (ide_boards[board]->base[0] && ide_boards[board]->base[1])
ide_set_handlers(board);
if (config->irq[0].irq != ISAPNP_IRQ_DISABLED)
ide_boards[board]->irq = config->irq[0].irq;
}
}
void
ide_pnp_config_changed(uint8_t ld, isapnp_device_config_t *config, void *priv)
{