(mds) add support for Intel 82801BA ICH2 (815E chipset).

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@849 7894878c-1315-0410-8ee3-d5d059ff63e0

CHANGES

@@ -14,8 +14,10 @@ ask CVS about it:
       cvs diff -r V2-0-0 -r V2-0-1 -u
 
 2.5.3 (2000????)
+  Module i2c-i801: support Intel 82801BA (815E chipset)
   Programs i2cdetect, i2cdump: Improve error reporting
   Program sensors: new switch -u (--unknown)
+  Program sensors-detect: detect Intel 82801BA (815E chipset)
 
 2.5.2 (20000709)
   File sensors.conf.eg: Fix lm80 in8 calculation

README

@@ -39,7 +39,7 @@ At least the following I2C/SMBus adapters are supported:
   Acer Labs M1541 and M1543C (used in the Aladdin IV, V and Pro 2 chipsets)
   AMD 756
   Apple Hydra (used on some PPC machines)
-  Intel I801 ICH (used in the Intel 810, 810E, 820, and 840 chipsets)
+  Intel I801 ICH/ICH0/ICH2 (used in Intel 810, 810E, 815E, 820, 840 chipsets)
   Intel PIIX4 (used in many Intel chipsets)
   Intel I810 GMCH
   SiS 5595 (used in many SiS chipsets)

doc/busses/i2c-i801

@@ -1,12 +1,13 @@
 Kernel driver `i2c-i801.o'
 
-Status: Beta.
+Status: Tested and stable.
         Block reads/writes untested (but not used by any current chip driver).
 
 Supported adapters:
   * Intel 82801AA and 82801AB (ICH and ICH0 - part of the
     '810' and '810E' chipsets)
-    Datasheet: Publicly available at the Intel website
+  * Intel 82801BA (ICH2 - part of the '815E' chipset)
+    Datasheets: Publicly available at the Intel website
 
 Author: Frodo Looijaard <frodol@dds.nl>, Philip Edelbrock
         <phil@netroedge.com>, and Mark Studebaker <mdsxyz123@yahoo.com>
@@ -24,11 +25,12 @@ Module Parameters
 Description
 -----------
 
-The ICH (properly known as the 82801AA) and ICH0 (82801AB)
+The ICH (properly known as the 82801AA), ICH0 (82801AB),
-are Intel chips that are a part of Intel's '810' chipset
+and ICH2 (82801BA) are Intel chips that are a part of
-for Celeron-based PCs and '810E' chipset for Pentium-based PCs.
+Intel's '810' chipset for Celeron-based PCs,
+'810E' chipset for Pentium-based PCs, and newer '815E' chipset.
 
-The ICH contains up to SEVEN separate PCI functions
+The ICH chips contain about SEVEN separate PCI functions
 in TWO logical PCI devices.
 An output of lspci will show something similar to the following:
 
@@ -44,7 +46,7 @@ Class 0c05 is SMBus Serial Controller.
 The ICH chips are quite similar to Intel's PIIX4 chip,
 at least in the SMBus controller.
 
-See the file i2c-piix4 for details.
+See the file i2c-piix4 for some additional information.
 
 
 **********************

kernel/busses/i2c-i801.c

@@ -1,8 +1,9 @@
 /*
     i801.c - Part of lm_sensors, Linux kernel modules for hardware
               monitoring
-    Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl> and
+    Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>,
-    Philip Edelbrock <phil@netroedge.com>
+    Philip Edelbrock <phil@netroedge.com>, and Mark D. Studebaker
+    <mdsxyz123@yahoo.com>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -20,9 +21,10 @@
 */
 
 /*
-    This driver supports the Intel 82801AA and 82801AB
+    This driver supports the Intel 82801AA, 82801AB, and 82801BA
     I/O Controller Hubs (ICH). They are similar to the PIIX4 and are part
-    of Intel's '810' chipset. See the doc/busses/i2c-i801 file for details.
+    of Intel's '810' and other chipsets.
+    See the doc/busses/i2c-i801 file for details.
 */
 
 /* Note: we assume there can only be one I801, with one SMBus interface */
@@ -45,6 +47,9 @@
 #ifndef PCI_DEVICE_ID_INTEL_82801AB_3
 #define PCI_DEVICE_ID_INTEL_82801AB_3   0x2423
 #endif
+#ifndef PCI_DEVICE_ID_INTEL_82801BA_3
+#define PCI_DEVICE_ID_INTEL_82801BA_3   0x2443
+#endif
 
 /* I801 SMBus address offsets */
 #define SMBHSTSTS (0 + i801_smba)
@@ -164,8 +169,15 @@ int i801_setup(void)
 	if (I801_dev == NULL) {
 		do
 			I801_dev = pci_find_device(PCI_VENDOR_ID_INTEL,
-						   PCI_DEVICE_ID_INTEL_82801AB_3,
+					   PCI_DEVICE_ID_INTEL_82801AB_3,
-						   I801_dev);
+					   I801_dev);
+		while (I801_dev && (PCI_FUNC(I801_dev->devfn) != 3));
+	}
+	if (I801_dev == NULL) {
+		do
+			I801_dev = pci_find_device(PCI_VENDOR_ID_INTEL,
+					   PCI_DEVICE_ID_INTEL_82801BA_3,
+					   I801_dev);
 		while (I801_dev && (PCI_FUNC(I801_dev->devfn) != 3));
 	}
 	if (I801_dev == NULL) {

prog/detect/sensors-detect

@@ -72,6 +72,14 @@ use vars qw(@pci_adapters @chip_ids @undetectable_adapters);
        driver => "i2c-i801",
        match => sub { $_[0] =~ /^SMBus I801 adapter at [0-9,a-f]{4}/ },
      } , 
+     { 
+       vendid => 0x8086,
+       devid  => 0x2443,
+       func => 3,
+       procid => "Intel 82801BA ICH2",
+       driver => "i2c-i801",
+       match => sub { $_[0] =~ /^SMBus I801 adapter at [0-9,a-f]{4}/ },
+     } , 
      { 
        vendid => 0x1106,
        devid  => 0x3040,