| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | Kernel driver i2c-viapro |
| 2 | |
| 3 | Supported adapters: |
| 4 | * VIA Technologies, Inc. VT82C596A/B |
| 5 | Datasheet: Sometimes available at the VIA website |
| 6 | |
| Jean Delvare | 5f49ef8 | 2005-09-22 21:50:47 +0200 | [diff] [blame] | 7 | * VIA Technologies, Inc. VT82C686A/B |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | Datasheet: Sometimes available at the VIA website |
| 9 | |
| 10 | * VIA Technologies, Inc. VT8231, VT8233, VT8233A, VT8235, VT8237 |
| 11 | Datasheet: available on request from Via |
| 12 | |
| 13 | Authors: |
| Jean Delvare | 5f49ef8 | 2005-09-22 21:50:47 +0200 | [diff] [blame] | 14 | Frodo Looijaard <frodol@dds.nl>, |
| 15 | Philip Edelbrock <phil@netroedge.com>, |
| 16 | Kyösti Mälkki <kmalkki@cc.hut.fi>, |
| Jean Delvare | f1183014 | 2005-09-22 21:58:41 +0200 | [diff] [blame] | 17 | Mark D. Studebaker <mdsxyz123@yahoo.com>, |
| 18 | Jean Delvare <khali@linux-fr.org> |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | |
| 20 | Module Parameters |
| 21 | ----------------- |
| 22 | |
| 23 | * force: int |
| 24 | Forcibly enable the SMBus controller. DANGEROUS! |
| 25 | * force_addr: int |
| 26 | Forcibly enable the SMBus at the given address. EXTREMELY DANGEROUS! |
| 27 | |
| 28 | Description |
| 29 | ----------- |
| 30 | |
| 31 | i2c-viapro is a true SMBus host driver for motherboards with one of the |
| Jean Delvare | aaf7f14 | 2005-09-22 22:09:07 +0200 | [diff] [blame^] | 32 | supported VIA south bridges. |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | |
| 34 | Your lspci -n listing must show one of these : |
| 35 | |
| Jean Delvare | aaf7f14 | 2005-09-22 22:09:07 +0200 | [diff] [blame^] | 36 | device 1106:3050 (VT82C596A function 3) |
| 37 | device 1106:3051 (VT82C596B function 3) |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | device 1106:3057 (VT82C686 function 4) |
| 39 | device 1106:3074 (VT8233) |
| 40 | device 1106:3147 (VT8233A) |
| Jean Delvare | aaf7f14 | 2005-09-22 22:09:07 +0200 | [diff] [blame^] | 41 | device 1106:8235 (VT8231 function 4) |
| 42 | device 1106:3177 (VT8235) |
| 43 | device 1106:3227 (VT8237R) |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
| 45 | If none of these show up, you should look in the BIOS for settings like |
| 46 | enable ACPI / SMBus or even USB. |
| Jean Delvare | f1183014 | 2005-09-22 21:58:41 +0200 | [diff] [blame] | 47 | |
| 48 | Except for the oldest chips (VT82C596A/B, VT82C686A and most probably |
| 49 | VT8231), this driver supports I2C block transactions. Such transactions |
| 50 | are mainly useful to read from and write to EEPROMs. |