From 57e38757f1d8c5dd7eca5b002b75b3c6bf0d9697 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Wed, 18 Jul 2007 21:01:35 +0000
Subject: [PATCH] Add ATI SB700 support to the i2c-piix4 driver. This is a
 backport from a Linux 2.6 patch by Henry Su.

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@4624 7894878c-1315-0410-8ee3-d5d059ff63e0
---
 CHANGES                   |  3 +++
 README                    |  2 +-
 doc/busses/i2c-piix4      |  2 +-
 kernel/busses/i2c-piix4.c | 10 +++++++++-
 mkpatch/mkpatch.pl        |  4 ++--
 5 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/CHANGES b/CHANGES
index de83e8ca..1235218f 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,9 @@
 lm_sensors CHANGES file
 -----------------------
 
+SVN HEAD
+  Module i2c-piix4: Add ATI SB700 support (2.6 backport)
+
 2.10.4 (20070716)
   File doc/vid: Update the sysfs paths, update the chip lists
   File i2c-dev.h: Support I2C block reads with specified length
diff --git a/README b/README
index e2584cf1..b3132e8e 100644
--- a/README
+++ b/README
@@ -47,7 +47,7 @@ At least the following I2C/SMBus adapters are supported:
   AMD 756, 766, 768 and 8111
   AMD 8111 SMBus 2.0
   Apple Hydra (used on some PPC machines)
-  ATI IXP200, IXP300, IXP400, SB600
+  ATI IXP200, IXP300, IXP400, SB600, SB700
   DEC 21272/21274 (Tsunami/Typhoon - on Alpha boards)
   Intel ICH/ICH0/ICH2/ICH3/ICH4/ICH5/ICH6/ICH7/ICH8/ICH9 (82801xx)
   Intel 6300ESB, 631xESB/632xESB (ESB2)
diff --git a/doc/busses/i2c-piix4 b/doc/busses/i2c-piix4
index d7cce66e..4c641982 100644
--- a/doc/busses/i2c-piix4
+++ b/doc/busses/i2c-piix4
@@ -9,7 +9,7 @@ Supported adapters:
     Datasheet: Publicly available at the Intel website
   * ServerWorks OSB4, CSB5, CSB6 and HT-1000 southbridges
     Datasheet: Only available via NDA from ServerWorks
-  * ATI IXP200, IXP300, IXP400 and SB600 southbridges 
+  * ATI IXP200, IXP300, IXP400, SB600 and SB700 southbridges 
     Datasheet: Not publicly available
   * Standard Microsystems (SMSC) SLC90E66 (Victory66) southbridge
     Datasheet: Publicly available at the SMSC website http://www.smsc.com
diff --git a/kernel/busses/i2c-piix4.c b/kernel/busses/i2c-piix4.c
index d7c84c26..66c55458 100644
--- a/kernel/busses/i2c-piix4.c
+++ b/kernel/busses/i2c-piix4.c
@@ -23,7 +23,7 @@
    Supports:
 	Intel PIIX4, 440MX
 	Serverworks OSB4, CSB5, CSB6, HT-1000
-	ATI IXP200, IXP300, IXP400, SB600
+	ATI IXP200, IXP300, IXP400, SB600, SB700
 	SMSC Victory66
 
    Note: we assume there can only be one device, with one SMBus interface.
@@ -440,6 +440,7 @@ static struct i2c_adapter piix4_adapter = {
 #define PCI_DEVICE_ID_ATI_IXP300_SMBUS	0x4363
 #define PCI_DEVICE_ID_ATI_IXP400_SMBUS	0x4372
 #define PCI_DEVICE_ID_ATI_IXP600_SMBUS	0x4385
+#define PCI_DEVICE_ID_ATI_IXP700_SMBUS	0x4395
 
 #ifndef PCI_DEVICE_ID_SERVERWORKS_CSB6
 #define PCI_DEVICE_ID_SERVERWORKS_CSB6 0x0203
@@ -483,6 +484,13 @@ static struct pci_device_id piix4_ids[] __devinitdata = {
 		.subdevice =	PCI_ANY_ID,
 		.driver_data =	0,
 	},
+	{
+		.vendor =	PCI_VENDOR_ID_ATI,
+		.device =	PCI_DEVICE_ID_ATI_IXP700_SMBUS,
+		.subvendor =	PCI_ANY_ID,
+		.subdevice =	PCI_ANY_ID,
+		.driver_data =	0,
+	},
 	{
 		.vendor =	PCI_VENDOR_ID_SERVERWORKS,
 		.device =	PCI_DEVICE_ID_SERVERWORKS_OSB4,
diff --git a/mkpatch/mkpatch.pl b/mkpatch/mkpatch.pl
index 504556f8..52aac679 100755
--- a/mkpatch/mkpatch.pl
+++ b/mkpatch/mkpatch.pl
@@ -225,8 +225,8 @@ Intel 82371AB PIIX4(E), ServerWorks OSB4, CSB5, CSB6, HT-1000
 CONFIG_I2C_PIIX4
   If you say yes to this option, support will be included for the
   Intel PIIX4, PIIX4E, 443MX, Serverworks OSB4, CSB5, CSB6 and
-  HT-1000, ATI IXP200, IXP300, IXP400 and SB600, and SMSC Victory66
-  mainboard SMBus interfaces.
+  HT-1000, ATI IXP200, IXP300, IXP400, SB600 and SB700, and SMSC
+  Victory66 mainboard SMBus interfaces.
   
   This can also be built as a module which can be inserted and removed
   while the kernel is running.