NAME

isagpio — ISA I/O mapped as GPIO

SYNOPSIS

isagpio0 at isa? port 0x78
isagpio1 at isa? port 0x80
gpio* at isagpio?

DESCRIPTION

The isagpio driver allows access to the 8-bit ISA I/O space through the gpio(4) framework, thus making use of the simple GPIO devices connected directly to the ISA bus.

SEE ALSO

gpio(4), intro(4), isa(4), gpioctl(8)

HISTORY

The isagpio driver first appeared in OpenBSD 4.0.

AUTHORS

The isagpio driver was written by Oleg Safiullin <form@pdp-11.org.ru>.