From 86890a053ed461e497190a4c8099e5ba40f7abbb Mon Sep 17 00:00:00 2001
From: "Mark D. Studebaker" <mdsxyz123@yahoo.com>
Date: Tue, 4 Dec 2001 00:32:59 +0000
Subject: [PATCH] detect I810E, SMBus 2.0 ARP-responder (maybe)

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@1259 7894878c-1315-0410-8ee3-d5d059ff63e0
---
 prog/detect/sensors-detect | 44 ++++++++++++++++++++++++++++++++------
 1 file changed, 38 insertions(+), 6 deletions(-)

diff --git a/prog/detect/sensors-detect b/prog/detect/sensors-detect
index 36365df3..bc5f5248 100755
--- a/prog/detect/sensors-detect
+++ b/prog/detect/sensors-detect
@@ -334,6 +334,14 @@ use vars qw(@pci_adapters @chip_ids @undetectable_adapters);
        driver => "i2c-i810",
        match => sub { $_[0] =~ /^I810/ },
      } , 
+     { 
+       vendid => 0x8086,
+       devid  => 0x7125,
+       func => 0,
+       procid => "Intel 82810E GMCH",
+       driver => "i2c-i810",
+       match => sub { $_[0] =~ /^I810/ },
+     } , 
      { 
        vendid => 0x8086,
        devid  => 0x1132,
@@ -518,8 +526,8 @@ use subs qw(mtp008_detect lm78_detect lm78_isa_detect lm78_alias_detect
             adm9240_detect adm1021_detect sis5595_isa_detect eeprom_detect
             via686a_isa_detect adm1022_detect ltc1710_detect gl525sm_detect
             lm87_detect ite_detect ite_isa_detect ite_alias_detect
-            ddcmonitor_detect ds1621_detect adm1024_detect fscpos_detect fscscy_detect
-            pcf8591_detect);
+            ddcmonitor_detect ds1621_detect adm1024_detect fscpos_detect
+            fscscy_detect pcf8591_detect arp_detect);
 
 # This is a list of all recognized chips. 
 # Each entry must have the following fields:
@@ -643,6 +651,12 @@ use subs qw(mtp008_detect lm78_detect lm78_isa_detect lm78_alias_detect
        i2c_driver_addrs => [0x20..0x2f], 
        i2c_detect => sub { w83781d_detect 4, @_},
      } ,
+     {
+       name => "Winbond W83L784R/AR",
+       i2c_addrs => [0x00..0x68,0x6a..0x7f], 
+       i2c_driver_addrs => [0x20..0x2f], 
+       i2c_detect => sub { w83781d_detect 6, @_},
+     } ,
      {
        name => "Winbond W83697HF",
        driver => "w83781d",
@@ -813,6 +827,11 @@ use subs qw(mtp008_detect lm78_detect lm78_isa_detect lm78_alias_detect
        i2c_addrs => [0x48..0x4f],
        i2c_detect => sub { pcf8591_detect @_},
      },
+     {
+       name => "SMBus 2.0 ARP-Capable Device??",
+       i2c_addrs => [0x61],
+       i2c_detect => sub { arp_detect @_},
+     },
 );
 
 
@@ -1814,7 +1833,7 @@ sub lm87_detect
 }
   
 # $_[0]: Chip to detect (0 = W83781D, 1 = W83782D, 2 = W83783S,
-#                        3 = W83627HF, 4 = AS99127F)
+#                        3 = W83627HF, 4 = AS99127F, 6 = W83L784R/AR
 # $_[1]: A reference to the file descriptor to access this chip.
 #        We may assume an i2c_set_slave_addr was already done.
 # $_[2]: Address
@@ -1834,7 +1853,7 @@ sub w83781d_detect
   my ($reg1,$reg2,@res);
   my ($chip,$file,$addr) = @_;
   return unless (i2c_smbus_read_byte_data($file,0x48) == $addr)
-    or ($chip == 4);
+    or ($chip == 4) or ($chip == 6);
   $reg1 = i2c_smbus_read_byte_data($file,0x4e);
   $reg2 = i2c_smbus_read_byte_data($file,0x4f);
   if ($chip != 4) {
@@ -1852,6 +1871,7 @@ sub w83781d_detect
   return if $chip == 2 and  $reg1 != 0x40;
   return if $chip == 3 and  $reg1 != 0x20;
   return if $chip == 4 and  $reg1 != 0x30;
+  return if $chip == 6 and  $reg1 != 0x50;
   $reg1 = i2c_smbus_read_byte_data($file,0x4a);
   @res = (8);
   push @res, ($reg1 & 0x07) + 0x48 unless $reg1 & 0x08 ;
@@ -2338,13 +2358,25 @@ sub fscscy_detect
 # $_[0]: A reference to the file descriptor to access this chip.
 #        We may assume an i2c_set_slave_addr was already done.
 # $_[1]: Address
-# Returns: undef if not detected, (1) if detected.
-# Detection is impossible!
+# Returns: 1
+# Detection is impossible...
 sub pcf8591_detect
 {
   return (1);
 }
 
+# $_[0]: A reference to the file descriptor to access this chip.
+#        We may assume an i2c_set_slave_addr was already done.
+# $_[1]: Address
+# Returns: 1
+# This is a placeholder so we get a report if any device responds
+# to the SMBus Device Default Address (0x61), which is used for
+# ARP in SMBus 2.0.
+sub arp_detect
+{
+  return (1);
+}
+
 
 ################
 # MAIN PROGRAM #