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`devg-chips.so`

Graphics driver for Chips and Technologies graphics chipsets

Syntax:

io-display [-vf]
           -d vid=[0x]vendor_id,did=[0x]device_id[,deviceindex=index]
           [-c config_file] [-p priority]

Runs on:

Neutrino

Targets:

MIPSLE, PowerPC, SHLE, x86, ARMLE

Options:

For the general io-display options that you can use with this driver, see io-display.

You can set configuration options that are specific to this driver by using the modeopts setting in display.conf:

modeopts=config-file: The full path to the configuration file for the driver. For example chips.conf is located in /usr/photon/config by default so that modeopts=/usr/photon/config/chips.conf.

Description:

The devg-chips.so driver provides accelerated 2D support for Chips and Technologies graphics chipsets.

You can edit the configuration file to enable devg-chips.so to run on your board. For more information on the options available, see the sample configuration file, /usr/photon/config/chips.conf.

If you use a configuration file for this driver, you must use the modeopts setting in your display.conf to specify its location.

Supported chipsets

65550
65554
65555
69000
69030

Acceleration features

Feature	Provision
Solid fills	Yes
Bresenham lines	No
Pattern fills	Yes
Polygons	No
Onscreen blitting	Yes
Offscreen blitting	Yes
Chroma-keyed blitting	Yes
Alpha blending	No
Raster OPs	Full
Bitmaps	No

Video Overlay/Scaler support

Feature	Provision
YUV formats	Yes
RGB formats	Yes
Up scaling	Yes

Other features

Feature	Provision
Hardware Cursor	Yes
TV Out	No
Video capture	No
DPMS (power saving)	Yes

Resolution and refresh support

Display size (pixels):	Refresh rate(Hz):	Color depth (bits per pixel):
640x480	60, 72, 75, 85	8, 15, 16, 24
800x600	60, 70, 75, 85	8, 15, 16, 24
1024x768	60, 70, 75, 85	8, 15, 16, 24
1152x864	60, 70, 75, 85	8, 15, 16, 24
1280x800	60, 72, 75, 85	8, 15, 16, 24
1280x1024	60, 72, 75, 85	8, 15, 16, 24
1440x900	60, 72, 75, 85	8, 15, 16, 24
1600x1200	60, 72, 75, 85	8, 15, 16, 24

Restrictions:

These values are typical; the actual ones may depend on your BIOS and monitor (x86 only).
Higher resolution and color depths may require more video RAM.

Files:

This driver needs the following at run time:

libffb.so: Software rasterization library.