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genfb(4) [netbsd man page]

GENFB(4)						   BSD Kernel Interfaces Manual 						  GENFB(4)

genfb -- generic framebuffer console driver SYNOPSIS
genfb* at pci? genfb* at sbus? wsdisplay* at genfb? DESCRIPTION
The genfb driver provides support for generic framebuffers that have no native driver. All it needs are some parameters to describe the framebuffer and an address. PCI When attaching to a pci(4) bus the driver is configured via device properties: width (uint32) Width in pixels. height (uint32) Height in pixels. stride (uint32) Line size in bytes. depth (uint32) Bits per pixel. is_console (bool) If true, genfb will try to become the system console. address (uint32) Bus address of the framebuffer. SBus When attaching to sbus(4) all those parameters are retrieved from the firmware. SEE ALSO
pci(4), sbus(4), wscons(4), wsdisplay(4) BUGS
There is no way to change the color map even when the firmware supports it. The pci(4) bus frontend has only been tested on macppc, i386, and amd64 and requires machine dependent code to pass the properties mentioned above. So far only macppc, i386, and amd64 provides them. BSD
August 23, 2009 BSD

Check Out this Related Man Page

EAP(4)							   BSD Kernel Interfaces Manual 						    EAP(4)

eap -- AudioPCI audio device driver SYNOPSIS
eap* at pci? dev ? function ? audio* at audiobus? joy* at eap? midi* at eap? options EAP_USE_BOTH_DACS DESCRIPTION
The eap driver provides support for the Ensoniq AudioPCI and Creative Labs SoundBlaster PCI series of audio cards. All models based on the ES1370, ES1371, and ES1373 chips are supported. By specifying: options EAP_USE_BOTH_DACS a second audio device is attached. You can use it simply by directing audio output to it. This way it is possible for two different pro- grams to use the "same" audio device simultaneously. SEE ALSO
ac97(4), audio(4), joy(4), midi(4), pci(4) HISTORY
The eap device driver appeared in NetBSD 1.4. CAVEATS
The joystick port hardware works by emulating a legacy isa(4) joystick port, bypassing the pci(4) bus method for address allocation. This is unlikely to work on PCI busses other than the primary one. There is also a possibility for conflicts with real ISA devices because the PCI bus is probed before ISA. Use with caution. BSD
July 22, 2006 BSD
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