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77 lines
2.3 KiB
77 lines
2.3 KiB
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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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* VIA Technologies, Inc. VT82C686A/B |
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Datasheet: Sometimes available at the VIA website |
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* VIA Technologies, Inc. VT8231, VT8233, VT8233A |
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Datasheet: available on request from VIA |
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* VIA Technologies, Inc. VT8235, VT8237R, VT8237A, VT8237S, VT8251 |
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Datasheet: available on request and under NDA from VIA |
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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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* VIA Technologies, Inc. VX800/VX820 |
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Datasheet: available on http://linux.via.com.tw |
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* VIA Technologies, Inc. VX855/VX875 |
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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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Authors: |
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- Kyösti Mälkki <[email protected]>, |
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- Mark D. Studebaker <[email protected]>, |
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- Jean Delvare <[email protected]> |
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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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supported VIA south bridges. |
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Your ``lspci -n`` listing must show one of these : |
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================ ====================== |
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device 1106:3050 (VT82C596A function 3) |
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device 1106:3051 (VT82C596B function 3) |
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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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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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device 1106:3337 (VT8237A) |
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device 1106:3372 (VT8237S) |
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device 1106:3287 (VT8251) |
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device 1106:8324 (CX700) |
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device 1106:8353 (VX800/VX820) |
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device 1106:8409 (VX855/VX875) |
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device 1106:8410 (VX900) |
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================ ====================== |
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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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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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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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