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Graphics driver for Hitachi Q2SD display controller

Note: This driver is available only in the Board Support Packages that need it.


io-graphics -d q2sd [option[,option...]]
            ... &

Runs on:



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

Options specific to this driver:

The full path to the configuration file for the driver. The sample file is /usr/photon/config/q2sd.conf.


The driver provides accelerated 2D support for the Hitachi Q2SD display controller on the specified platforms.

You can configure to run your board by editing the configuration file. Follow the editing instructions in the sample file, /usr/photon/config/q2sd.conf, to specify the correct configuration for the required display mode. (For a more detailed explanation of the display settings, see the appropriate Hitachi documentation.)

If you use a configuration file for this driver, you must use the mode_opts option of io-graphics to specify its location. For example, mode_opts=/usr/photon/config/q2sd.conf.

Supported platforms

Acceleration features

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

Video Overlay/Scaler support


Other features

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

Resolution and refresh support

Display size (pixels): Refresh rate (Hz): Color depth (bits per pixel):
640x240 NTSC 60 16
640x480 NTSC 60 (interlaced) 16
640x480 VGA 60 16



This driver needs the following at run time:
Graphics driver utility library.
Software rasterization library.
Driver-configuration file.

See also:

crttrap, devgt-iographics, io-graphics