add support for ICH6 and 6300ESB (backport of 2.6 patch)

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@2558 7894878c-1315-0410-8ee3-d5d059ff63e0

CHANGES

@@ -34,6 +34,7 @@ ask CVS about it:
            Fix 2.6 hyst temp for 2.6 (lm75, lm78 and gl518sm)
            Fully support the PC87360 family
            Support the lm99
+           Add version and date strings
   Makefile: Do not run depmod on staged installs (Peter Breitenlohner)
   Man page i2cdetect.8: document new command line flags
   Man page i2cdump.8: More details on how i2cdump can write to a chip
@@ -45,6 +46,7 @@ ask CVS about it:
   Module gl520sm: Less agressive initialization process
                   Fix temp1 limits being unsettable in application
                   Ensure that temp2 and in4 are not used at the same time
+  Module i2c-i801: Support 6300ESB and ICH6
   Module i2c-sis645: Add support for SiS655
   Module lm90: Support LM99 and LM89 
   Module lm92: Support MAX6633, MAX6634, MAX6635 and LM76
@@ -63,7 +65,7 @@ ask CVS about it:
                       Do not read fan data when monitoring is disabled
                       Do not include SENSORS_INSMOD stuff
                       New module parameter: init
-  Module smsc47m1: Lock on reads and writes
+  Module smsc47m1: Lock on reads and writes; many fixes
   Module thmc50: Fix address range
   Module via686a: Fix voltage roundings
                   Simplify temperature conversions
@@ -86,11 +88,12 @@ ask CVS about it:
                    Support the lm99
                    Do not invert AS99127F beep bits anymore
                    Fix W83781D temp3 alarm (Aurelien Jarno)
+                   Print library version string
   Program sensors-detect: Rework Super I/O detection
                           Support SiS655/SiS96x
                           Support ADT7461 and ADT7467
                           Better support for ADM1027, ADT7460 and ADT7463
-                          Explicitely support ADM1028
+                          Explicitly support ADM1028
                           Scan all logical devices of PC87365 and PC87366
                           Detect LM92, LM76, MAX6633, MAX6634, MAX6635
                           Detect eeproms with software write protect (not

doc/busses/i2c-i801

@@ -10,6 +10,9 @@ Supported adapters:
   * Intel 82801BA (ICH2 - part of the '815E' chipset)
   * Intel 82801CA/CAM (ICH3)
   * Intel 82801DB (ICH4)
+  * Intel 82801EB (ICH5)
+  * Intel 6300ESB
+  * Intel ICH6
     Datasheets: Publicly available at the Intel website
 
 Author: Frodo Looijaard <frodol@dds.nl>, Philip Edelbrock
@@ -73,7 +76,7 @@ support this.
 SMBus 2.0 Support
 -----------------
 
-The 82801DB (ICH4) supports several SMBus 2.0 features.
+The 82801DB (ICH4) and later chips support several SMBus 2.0 features.
 Kernel and driver support are as follows:
 
 Feature		Kernel		Driver
@@ -83,10 +86,10 @@ Block PEC	yes		yes
 Hardware PEC	yes		yes
 
 
-Other ICH4 Features
--------------------
+Other ICH4 and later Features
+-----------------------------
 
-The following additional ICH4 features are also _not_ supported:
+The following additional features are also _not_ supported:
 
 32 Byte buffer
 

kernel/busses/i2c-i801.c

@@ -28,7 +28,8 @@
     82801CA/CAM		2483           
     82801DB		24C3   (HW PEC supported, 32 byte buffer not supported)
     82801EB		24D3   (HW PEC supported, 32 byte buffer not supported)
-
+    6300ESB		25A4   ("")
+    ICH6		266A
     This driver supports several versions of Intel's I/O Controller Hubs (ICH).
     For SMBus support, they are similar to the PIIX4 and are part
     of Intel's '810' and other chipsets.
@@ -129,7 +130,8 @@ static int i801_setup(struct pci_dev *dev)
 
 	I801_dev = dev;
 	if (dev->device == PCI_DEVICE_ID_INTEL_82801DB_3 ||
-	    dev->device == 0x24d3)
+	    dev->device == 0x24d3 ||
+	    dev->device == 0x25a4)
 		isich4 = 1;
 	else
 		isich4 = 0;
@@ -590,6 +592,18 @@ static struct pci_device_id i801_ids[] __devinitdata = {
 		.subvendor =	PCI_ANY_ID,
 		.subdevice =	PCI_ANY_ID,
 	},
+	{
+		.vendor =	PCI_VENDOR_ID_INTEL,
+		.device =	0x25a4, /* PCI_DEVICE_ID_INTEL_ESB_4 */
+		.subvendor =	PCI_ANY_ID,
+		.subdevice = 	PCI_ANY_ID,
+	},
+	{
+		.vendor =	PCI_VENDOR_ID_INTEL,
+		.device =	0x266a, /* PCI_DEVICE_ID_INTEL_ICH6_16 */
+		.subvendor =	PCI_ANY_ID,
+		.subdevice =	PCI_ANY_ID,
+  	},
 	{ 0, }
 };
 

prog/detect/sensors-detect

@@ -122,6 +122,22 @@ use vars qw(@pci_adapters @chip_ids @superio_ids);
        driver => "i2c-i801",
        match => sub { $_[0] =~ /^SMBus I801 adapter at [0-9,a-f]{4}/ },
      } , 
+     { 
+       vendid => 0x8086,
+       devid  => 0x25A4,
+       func => 3,
+       procid => "Intel 6300ESB",
+       driver => "i2c-i801",
+       match => sub { $_[0] =~ /^SMBus I801 adapter at [0-9,a-f]{4}/ },
+     } , 
+     { 
+       vendid => 0x8086,
+       devid  => 0x266A,
+       func => 3,
+       procid => "Intel ICH6",
+       driver => "i2c-i801",
+       match => sub { $_[0] =~ /^SMBus I801 adapter at [0-9,a-f]{4}/ },
+     } , 
      { 
        vendid => 0x1106,
        devid  => 0x3040,