Skip to content

mike-bourgeous/myhd

master
Switch branches/tags
Code

Latest commit

 

Git stats

Files

Permalink
Failed to load latest commit information.
Type
Name
Latest commit message
Commit time
doc
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Note: this project will not be resumed.

My TL880-based card, a MyHD MDP-110, was stolen and thus I have no hardware to use for development. Additionally, modern hardware is fast enough to make standalone MPEG-2 decoder cards completely unnecessary.

MyHD driver and utility package

https://github.com/mike-bourgeous/myhd/ https://mike-bourgeous.github.io/myhd/ http://myhd.sourceforge.net/

Copyright 2003-2007, Mike Bourgeous (some 2003, Mark Lehrer; see driver/README) Licensed under the GPL. See file headers for additional copyright notices.

Project layout

  • doc/
    • These files describe the known features of the chip
  • driver/
    • Kernel module (no video capture yet - simply allows non-root to access the card and enables I2C)
  • tools/
    • Use these to "play" with the card and figure out how stuff works.
  • tl880fb/
    • Preliminary framebuffer driver.

Description

There are step-by-step instructions on compiling the driver and running tests at https://mike-bourgeous.github.io/myhd/howtohelp.php.

For more information, please view the mailing list archives. Also read all the README files in this driver distribution (find . -name README). Reading source code is also good.

Remember that this driver has no video capture capability. The kernel module uses three devices per TL880 card in /dev/tl880 to allow all users to mmap the memory regions of the TL880, or use the ioctl interface to control the card. The tools are then used to upload the firmware, set external sync, turn on color bars, display a mouse cursor, and tweak the OSD. That's all that the driver can do so far. There is also I2C bus support. For the latest known bugs, see the web site and mailing list.

To test the I2C bus(es), you will need the lm_sensors package. Load the i2c-dev, i2c-algo-bit, and tl880.ko kernel modules, then run i2cdetect for each bus displayed in the kernel message log (each card has a different number of buses). If you have any output beside all XX's, note the address and bus number, and run i2cdump [bus] [address]. For example, the NXT2000 on the MyHD has address 0x14 on bus 1, so i2cdetect 1 shows a response from address 0xa, and i2cdump 1 0xa shows the registers of the NXT2000.

Still needed:

  • Someone with PCI DMA experience.
  • Someone who can figure out how to use WinDBG to peer into the Windows drivers.
  • Lots and lots of time.

About

Linux driver for the MyHD ATSC tuner card and other TL880-based cards (incomplete/abandoned)

Resources

License

Stars

Watchers

Forks

Releases

No releases published

Packages

No packages published

Languages