devg-q2sd.so

Graphics driver for Hitachi Q2SD display controller


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

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

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

None

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

Restrictions:

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