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AT KBC: Fix on the fly AT / PS/2 mode switching, fixes PS/2 mouse on machines with VLSI VL82C113 on-chip KBC.

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This commit is contained in:
OBattler
2024-07-23 18:40:38 +02:00
parent 52c3d9abda
commit 2634b206c8
1 changed files with 11 additions and 0 deletions
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11
src/device/kbc_at.c
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@@ -1201,6 +1201,9 @@ kbc_at_set_ps2(void *priv, const uint8_t ps2)
kbc_at_do_poll = kbc_at_poll_ps2; kbc_at_do_poll = kbc_at_poll_ps2;
} else } else
kbc_at_do_poll = kbc_at_poll_at; kbc_at_do_poll = kbc_at_poll_at;
write_cmd(dev, ~dev->mem[0x20]);
write_cmd(dev, dev->mem[0x20]);
} }
static uint8_t static uint8_t
@@ -2230,7 +2233,11 @@ static void
kbc_at_close(void *priv) kbc_at_close(void *priv)
{ {
atkbc_t *dev = (atkbc_t *) priv; atkbc_t *dev = (atkbc_t *) priv;
#ifdef OLD_CODE
int max_ports = ((dev->flags & KBC_TYPE_MASK) >= KBC_TYPE_PS2_1) ? 2 : 1; int max_ports = ((dev->flags & KBC_TYPE_MASK) >= KBC_TYPE_PS2_1) ? 2 : 1;
#else
int max_ports = 2;
#endif
/* Stop timers. */ /* Stop timers. */
timer_disable(&dev->kbc_dev_poll_timer); timer_disable(&dev->kbc_dev_poll_timer);
@@ -2372,7 +2379,11 @@ kbc_at_init(const device_t *info)
break; break;
} }
#ifdef OLD_CODE
max_ports = ((dev->flags & KBC_TYPE_MASK) >= KBC_TYPE_PS2_1) ? 2 : 1; max_ports = ((dev->flags & KBC_TYPE_MASK) >= KBC_TYPE_PS2_1) ? 2 : 1;
#else
max_ports = 2;
#endif
for (int i = 0; i < max_ports; i++) { for (int i = 0; i < max_ports; i++) {
kbc_at_ports[i] = (kbc_at_port_t *) malloc(sizeof(kbc_at_port_t)); kbc_at_ports[i] = (kbc_at_port_t *) malloc(sizeof(kbc_at_port_t));