This version of this document is no longer maintained.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

`devg-smi5xx.so`

Graphics driver for Silicon Motion SM501 chipset

Syntax:

io-graphics -d smi5xx [option[,option...]]
            ... &

Options:

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

Options specific to this driver:

-amode=config-file: Specifies the full path to smi5xx.conf, which is the configuration file for this driver.

Description:

The devg-smi5xx.so driver provides accelerated 2D support for the Silicon Motion SM501 graphics chip.

You can edit the smi5xx.conf configuration file to enable devg-smi5xx.so to run on your board. 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 Silicon Motion documentation.)

You must specify the location of the configuration file to the devg-smi5xx.so driver via the mode_opts option of io-graphics For example:

io-graphics -d smi5xx mode_opts=/etc/photon/config/smi5xx.conf

Supported chipsets

Silicon Motion SM501 (Voyager GX)

Acceleration features

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

Video Overlay/Scaler support

Feature	Provision
YUV formats	Yes
RGB formats	Yes
Up scaling	Yes
Down scaling	Yes

Other features

Feature	Provision
Hardware Cursor	Yes
TV Out	No
Video capture	Yes
DPMS (power saving)	Yes
Layers supported	4

Resolution and refresh support

Display size (pixels):	Refresh rate(Hz):	Color depth (bits
640x480	60	8, 16, 32
800x600	60	8, 16, 32
1024x768	60	8, 16, 32

Other resolutions and refresh rates may be configured using the driver config file.

Files:

This driver needs the following files available at run time:

libdisputil.so: Graphics driver utility library.
libffb.so: Software rasterization library.