tctrl - Tadpole Microcontroller Interface
tctrl0 at obio0
The tctrl driver provides control over many functions on the
SPARCbook 3 series laptops, via their TS102 chip. The microcontroller is
used to power the TFT display down when the laptop lid is
closed and when
the screen is blanked by the pninek(4) or pnozz(4) driver.
The tctrl is
also used to power the laptop off when the reboot(2) system
call is used
with the RB_POWERDOWN flag is set. The PCMCIA part of the
managed by the tslot(4) driver.
reboot(2), intro(4), pninek(4), pnozz(4), tslot(4)
OpenBSD 3.6 June 22, 2003
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