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Vendor-specific ECP configuration register B readout, assorted Super I/O chip fixes, and gave the IBM ValuePointer 433/DXi its Super I/O chip.

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OBattler
2025-08-12 17:59:59 +02:00
parent c4ef6d6eeb
commit a4bdac000f
20 changed files with 125 additions and 57 deletions
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19
src/sio/sio_ali5123.c
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@@ -82,13 +82,15 @@ ali5123_fdc_handler(ali5123_t *dev)
static void
ali5123_lpt_handler(ali5123_t *dev)
{
uint16_t ld_port = 0x0000;
uint16_t mask = 0xfffc;
uint8_t global_enable = !(dev->regs[0x22] & (1 << 3));
uint8_t local_enable = !!dev->ld_regs[3][0x30];
uint8_t lpt_irq = dev->ld_regs[3][0x70];
uint8_t lpt_dma = dev->ld_regs[3][0x74];
uint8_t lpt_mode = dev->ld_regs[3][0xf0] & 0x07;
uint16_t ld_port = 0x0000;
uint16_t mask = 0xfffc;
uint8_t global_enable = !(dev->regs[0x22] & (1 << 3));
uint8_t local_enable = !!dev->ld_regs[3][0x30];
uint8_t lpt_irq = dev->ld_regs[3][0x70];
uint8_t lpt_dma = dev->ld_regs[3][0x74];
uint8_t lpt_mode = dev->ld_regs[3][0xf0] & 0x07;
uint8_t irq_readout[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x00, 0x08,
0x00, 0x10, 0x18, 0x20, 0x00, 0x28, 0x30, 0x00 };
if (lpt_irq > 15)
lpt_irq = 0xff;
@@ -137,6 +139,9 @@ ali5123_lpt_handler(ali5123_t *dev)
}
lpt_port_irq(dev->lpt, lpt_irq);
lpt_port_dma(dev->lpt, lpt_dma);
lpt_set_cnfgb_readout(dev->lpt, ((lpt_irq > 15) ? 0x00 : irq_readout[lpt_irq]) |
((lpt_dma >= 4) ? 0x00 : lpt_dma));
}
static void