From 88d984681df3e5b78552ac7044b895b8ff35523e Mon Sep 17 00:00:00 2001
From: "Mark D. Studebaker" <mdsxyz123@yahoo.com>
Date: Sat, 4 Mar 2000 16:21:48 +0000
Subject: [PATCH] (mds) add Via 686A integrated sensors detection. Untested.

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@743 7894878c-1315-0410-8ee3-d5d059ff63e0
---
 prog/detect/sensors-detect | 44 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 43 insertions(+), 1 deletion(-)

diff --git a/prog/detect/sensors-detect b/prog/detect/sensors-detect
index c0900517..e0d314c6 100755
--- a/prog/detect/sensors-detect
+++ b/prog/detect/sensors-detect
@@ -245,7 +245,7 @@ use vars qw(@pci_adapters @chip_ids @undetectable_adapters);
 use subs qw(lm78_detect lm78_isa_detect lm78_alias_detect lm75_detect 
             lm80_detect w83781d_detect w83781d_alias_detect
             w83781d_isa_detect gl518sm_detect gl520sm_detect adm9240_detect 
-            adm1021_detect sis5595_isa_detect eeprom_detect
+            adm1021_detect sis5595_isa_detect eeprom_detect via686a_isa_detect
             adm1022_detect ltc1710_detect gl525sm_detect ddcmonitor_detect);
 
 # This is a list of all recognized chips. 
@@ -454,6 +454,12 @@ use subs qw(lm78_detect lm78_isa_detect lm78_alias_detect lm75_detect
        isa_addrs => [ 0 ],
        isa_detect => sub { sis5595_isa_detect @_ },
      },
+     {
+       name => "VIA Technologies VT 82C686 Integrated Sensors",
+       driver => "via686a",
+       isa_addrs => [ 0 ],
+       isa_detect => sub { via686a_isa_detect @_ },
+     },
      {
        name => "Serial EEPROM (PC-100 DIMM)",
        driver => "eeprom",
@@ -1681,6 +1687,42 @@ sub sis5595_isa_detect
   return 9;
 }
 
+# $_[0]: Address
+# Returns: undef if not detected, (9) if detected.
+# Note: It is already 99% certain this chip exists if we find the PCI
+# entry. The exact address is encoded in PCI space.
+sub via686a_isa_detect
+{
+  my ($addr) = @_;
+  my ($adapter,$try,$local_try);
+  my $found = 0;
+  foreach $local_try (@pci_adapters) {
+    if ($local_try->{procid} eq "VIA Technologies VT 82C686 Apollo ACPI") {
+      $try = $local_try;
+      $found = 1;
+      last;
+    }
+  }
+  return if not $found;
+
+  $found = 0;
+  foreach $adapter (@pci_list) {
+    if ((defined($adapter->{vendid}) and 
+         $try->{vendid} == $adapter->{vendid} and
+         $try->{devid} == $adapter->{devid} and
+         $try->{func} == $adapter->{func}) or
+        (! defined($adapter->{vendid}) and
+         $adapter->{desc} =~ /$try->{procid}/ and
+         $try->{func} == $adapter->{func})) {
+      $found = 1;
+      last;
+    }
+  }
+  return if not $found;
+
+  return 9;
+}
+
 # $_[0]: A reference to the file descriptor to access this chip.
 #        We may assume an i2c_set_slave_addr was already done.
 # $_[1]: Address