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- Kernel driver i2c-i810
- Supported adapters:
- * Intel 82810, 82810-DC100, 82810E, and 82815 (GMCH)
- * Intel 82845G (GMCH)
- Authors:
- Frodo Looijaard <frodol@dds.nl>,
- Philip Edelbrock <phil@netroedge.com>,
- Kyösti Mälkki <kmalkki@cc.hut.fi>,
- Ralph Metzler <rjkm@thp.uni-koeln.de>,
- Mark D. Studebaker <mdsxyz123@yahoo.com>
- Main contact: Mark Studebaker <mdsxyz123@yahoo.com>
- Description
- -----------
- WARNING: If you have an '810' or '815' motherboard, your standard I2C
- temperature sensors are most likely on the 801's I2C bus. You want the
- i2c-i801 driver for those, not this driver.
- Now for the i2c-i810...
- The GMCH chip contains two I2C interfaces.
- The first interface is used for DDC (Data Display Channel) which is a
- serial channel through the VGA monitor connector to a DDC-compliant
- monitor. This interface is defined by the Video Electronics Standards
- Association (VESA). The standards are available for purchase at
- http://www.vesa.org .
- The second interface is a general-purpose I2C bus. It may be connected to a
- TV-out chip such as the BT869 or possibly to a digital flat-panel display.
- Features
- --------
- Both busses use the i2c-algo-bit driver for 'bit banging'
- and support for specific transactions is provided by i2c-algo-bit.
- Issues
- ------
- If you enable bus testing in i2c-algo-bit (insmod i2c-algo-bit bit_test=1),
- the test may fail; if so, the i2c-i810 driver won't be inserted. However,
- we think this has been fixed.
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