This version of this document is no longer maintained. For the latest documentation, see http://www.qnx.com/developers/docs.

`devg-q2sd.so`

Graphics driver for Hitachi Q2SD display controller

Syntax:

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

Options:

For the general io-graphics options that can be used with this driver, see io-graphics.

Options specific to this driver:

mode_opts=config_file: Specifies the full path to q2sd.conf, the configuration file for this driver.

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 q2sd.conf configuration file. Follow the editing instructions in this file to specify the correct configuration for the required display mode. (For a more detailed explanation of the display settings, see the appropriate Hitachi documentation.)

You must specify the location of the configuration file to the devg-q2sd.so driver via the mode_opts option of io-graphics, like this example:

io-graphics -d q2sd xres=640,yres=480,bitpp=16,photon,mode_opts=/etc/photon/config/q2sd.conf -pphoton

Supported platforms

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

Acceleration features

Feature	Provision
Solid fills	Yes
Pattern fills	No
Onscreen blitting	No
Offscreen blitting	No
Chroma-keyed blitting	No
Alpha blending	No
Raster OP's	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:

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

Files:

This driver needs the following files available at run time:

libdisputil.so: Graphics driver utility library.
libffb-q2sd.so.2: Software rasterization library.
q2sd.conf: Driver-configuration file.