Subject: Re: busspaceifying
To: Reinoud Zandijk <email@example.com>
From: Richard Earnshaw <firstname.lastname@example.org>
Date: 02/14/2001 21:36:20
> Hi folks,
> In the arm32 port there are devices like `beep0 at vidc0' (with `vidc0 at
> mainbus?' that use DMA but are not using dmamem mappings trough the bus. I
> need this structure to be able to claim memory from a second free list for
> DMA to support the Kinetic card (added successfully).
Beep has always been in the wrong place, it access the same H/W registers
as vidcaudio and the two consequently mess with each other. The code I
have (which I've never got around to submitting 'cos it really needs
converting to the yet-to-be-written bus_space_dma) has it there.