devg-q2sd.so

Graphics driver for Hitachi Q2SD display controller

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

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Syntax:

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

Runs on:

SH4

Options:

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

Options specific to this driver:

mode_opts=config_file

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

Description:

The devg-q2sd.so driver provides accelerated 2D support for the Hitachi Q2SD display controller on the specified platforms.

You can configure devg-q2sd.so 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

• Solution Engine board with MS4413DB01 daughter card
• BigSur board with Tahoe daughter card

Acceleration features

Video Overlay/Scaler support

None

Other features

Resolution and refresh support

Restrictions:

• On BigSur/Tahoe, some hardware modifications may be necessary for 640x480 VGA.

Files:

This driver needs the following at run time:

libdisputil.so

Graphics driver utility library.

libffb-q2sd.so.2

Software rasterization library.

q2sd.conf

Driver-configuration file.

See also:

crttrap, devgt-iographics, io-graphics

/usr/photon/config/q2sd.conf