Subject: Re: ibook hardware support
To: Alex Zepeda <zipzippy@sonic.net>
From: Nathan J. Williams <nathanw@wasabisystems.com>
List: port-macppc
Date: 10/13/2003 12:56:51
Alex Zepeda <zipzippy@sonic.net> writes:

> The audio stuff depends on what type of iBook you have.  AFAIK there
> were at least two distinct (DACA and Tumbler) mixers used on the
> iBooks.  I believe all Apple hardware uses very simple DBDMA
> transfers to play and record music..  but the real trick is in
> getting the mixer to output to the proper location.

You're right that mixer control is the tricky issue. I believe all
modern (white) iBooks use the Tumbler audio, as do newer G4 Powerbooks
(the original G4 powerbook used the awacs driver somewhat
successfully).

> Power managment is, AFAIK, completely unsupported.

Well, 95% unsupported. There is support for tracking the battery
level.

        - Nathan