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pci: Port xf86MapLegacyIO to pciaccess

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Per-domain I/O is now something drivers must manually request, and must
keep track of within their own state rather than in the ScrnInfoRec.
It's not really possible to split that into two steps without an
additional intermediate ABI break, so don't even try.  Drivers that want
source compatibility should ifdef on the presence of xf86UnmapLegacyIO.

As a fringe benefit, domain-aware I/O is now OS-independent, relying
only on support in pciaccess.  Simplify OS PCI setup to reflect this.

The IOADDRESS type is kept around to help drivers through the API
transition and will be removed at some point in the future.

Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
Tested-by: Jeremy Huddleston <jeremyhu@apple.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Jamey Sharp <jamey@minilop.net>
This commit is contained in:
Adam Jackson 2011-09-16 13:33:04 -04:00 • committed by Jeremy Huddleston
commit 858fbbb40d
9 changed files with 22 additions and 157 deletions
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1
hw/xfree86/common/xf86str.h
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@ -742,7 +742,6 @@ typedef struct _ScrnInfoRec {
unsigned long biosBase; /* Base address of video BIOS */
unsigned long memPhysBase; /* Physical address of FB */
unsigned long fbOffset; /* Offset of FB in the above */
IOADDRESS domainIOBase; /* Domain I/O base address */
int memClk; /* memory clock */
int textClockFreq; /* clock of text mode */
Bool flipPixels; /* swap default black/white */