2005-04-16 15:20:36 -07:00
										 
									 
								 
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								Kernel driver i2c-viapro
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								Supported adapters:
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								  * VIA Technologies, Inc. VT82C596A/B
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								    Datasheet: Sometimes available at the VIA website
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											2005-09-22 21:50:47 +02:00
										 
									 
								 
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								  * VIA Technologies, Inc. VT82C686A/B
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											2005-04-16 15:20:36 -07:00
										 
									 
								 
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								    Datasheet: Sometimes available at the VIA website
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											2006-09-03 22:35:21 +02:00
										 
									 
								 
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								  * VIA Technologies, Inc. VT8231, VT8233, VT8233A
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											2005-10-31 18:51:21 +01:00
										 
									 
								 
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								    Datasheet: available on request from VIA
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											2005-04-16 15:20:36 -07:00
										 
									 
								 
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											2008-01-27 18:14:51 +01:00
										 
									 
								 
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								  * VIA Technologies, Inc. VT8235, VT8237R, VT8237A, VT8237S, VT8251
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											2006-09-03 22:35:21 +02:00
										 
									 
								 
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								    Datasheet: available on request and under NDA from VIA
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											2007-02-13 22:09:02 +01:00
										 
									 
								 
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								  * VIA Technologies, Inc. CX700
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								    Datasheet: available on request and under NDA from VIA
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											2008-10-14 17:30:03 +02:00
										 
									 
								 
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								  * VIA Technologies, Inc. VX800/VX820
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								    Datasheet: available on http://linux.via.com.tw
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											2009-06-15 18:01:49 +02:00
										 
									 
								 
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								  * VIA Technologies, Inc. VX855/VX875
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											2012-10-05 22:23:53 +02:00
										 
									 
								 
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								    Datasheet: available on http://linux.via.com.tw
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								  * VIA Technologies, Inc. VX900
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								    Datasheet: available on http://linux.via.com.tw
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											2009-06-15 18:01:49 +02:00
										 
									 
								 
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											2005-04-16 15:20:36 -07:00
										 
									 
								 
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								Authors:
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											2007-05-09 08:50:42 +02:00
										 
									 
								 
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									Kyösti Mälkki <kmalkki@cc.hut.fi>,
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											2005-09-22 21:58:41 +02:00
										 
									 
								 
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									Mark D. Studebaker <mdsxyz123@yahoo.com>,
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											2014-01-29 20:40:08 +01:00
										 
									 
								 
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									Jean Delvare <jdelvare@suse.de>
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											2005-04-16 15:20:36 -07:00
										 
									 
								 
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								Module Parameters
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								-----------------
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								* force: int
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								  Forcibly enable the SMBus controller. DANGEROUS!
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								* force_addr: int
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								  Forcibly enable the SMBus at the given address. EXTREMELY DANGEROUS!
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								Description
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								-----------
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								i2c-viapro is a true SMBus host driver for motherboards with one of the
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											2005-09-22 22:09:07 +02:00
										 
									 
								 
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								supported VIA south bridges.
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								Your lspci -n listing must show one of these :
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											2005-09-22 22:09:07 +02:00
										 
									 
								 
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								 device 1106:3050   (VT82C596A function 3)
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								 device 1106:3051   (VT82C596B function 3)
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											2005-04-16 15:20:36 -07:00
										 
									 
								 
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								 device 1106:3057   (VT82C686 function 4)
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								 device 1106:3074   (VT8233)
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								 device 1106:3147   (VT8233A)
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											2005-09-22 22:09:07 +02:00
										 
									 
								 
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								 device 1106:8235   (VT8231 function 4)
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								 device 1106:3177   (VT8235)
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								 device 1106:3227   (VT8237R)
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											2006-09-03 22:35:21 +02:00
										 
									 
								 
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								 device 1106:3337   (VT8237A)
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											2008-01-27 18:14:51 +01:00
										 
									 
								 
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								 device 1106:3372   (VT8237S)
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											2006-09-03 22:35:21 +02:00
										 
									 
								 
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								 device 1106:3287   (VT8251)
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											2007-02-13 22:09:02 +01:00
										 
									 
								 
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								 device 1106:8324   (CX700)
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											2008-10-14 17:30:03 +02:00
										 
									 
								 
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								 device 1106:8353   (VX800/VX820)
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											2009-06-15 18:01:49 +02:00
										 
									 
								 
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								 device 1106:8409   (VX855/VX875)
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											2012-10-05 22:23:53 +02:00
										 
									 
								 
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								 device 1106:8410   (VX900)
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											2005-04-16 15:20:36 -07:00
										 
									 
								 
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								If none of these show up, you should look in the BIOS for settings like
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								enable ACPI / SMBus or even USB.
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											2005-09-22 21:58:41 +02:00
										 
									 
								 
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								Except for the oldest chips (VT82C596A/B, VT82C686A and most probably
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								VT8231), this driver supports I2C block transactions. Such transactions
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								are mainly useful to read from and write to EEPROMs.
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											2007-02-13 22:09:02 +01:00
										 
									 
								 
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											2008-10-14 17:30:03 +02:00
										 
									 
								 
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								The CX700/VX800/VX820 additionally appears to support SMBus PEC, although
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								this driver doesn't implement it yet.
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