From 28347b71b691d36fa85b88ebe2911102beb3a6ff Mon Sep 17 00:00:00 2001
From: "Mark D. Studebaker" <mdsxyz123@yahoo.com>
Date: Sun, 30 Jun 2002 20:34:35 +0000
Subject: [PATCH] detect LM85. patch from            Richard Barrington
 <rich_b_nz@clear.net.nz>

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@1410 7894878c-1315-0410-8ee3-d5d059ff63e0
---
 prog/detect/sensors-detect | 32 +++++++++++++++++++++++++++-----
 1 file changed, 27 insertions(+), 5 deletions(-)

diff --git a/prog/detect/sensors-detect b/prog/detect/sensors-detect
index fad5ba50..f3512ac2 100755
--- a/prog/detect/sensors-detect
+++ b/prog/detect/sensors-detect
@@ -648,7 +648,7 @@ use subs qw(mtp008_detect lm78_detect lm78_isa_detect lm78_alias_detect
             lm87_detect ite_detect ite_isa_detect ite_alias_detect
             ddcmonitor_detect ds1621_detect adm1024_detect fscpos_detect
             fscscy_detect pcf8591_detect arp_detect ipmi_kcs_detect
-            ipmi_smic_detect via8231_isa_detect );
+            ipmi_smic_detect via8231_isa_detect lm85_detect);
 
 # This is a list of all recognized chips. 
 # Each entry must have the following fields:
@@ -722,6 +722,12 @@ use subs qw(mtp008_detect lm78_detect lm78_isa_detect lm78_alias_detect
        i2c_addrs => [0x28..0x2f],
        i2c_detect => sub { lm80_detect @_} ,
      },
+     {
+       name => "National Semiconductor LM85",
+       driver => "Unwritten: lm85",
+       i2c_addrs => [0x2c..0x2e],
+       i2c_detect => sub { lm85_detect @_},
+     },
      {
        name => "National Semiconductor LM87",
        driver => "lm87",
@@ -919,7 +925,7 @@ use subs qw(mtp008_detect lm78_detect lm78_isa_detect lm78_alias_detect
        isa_detect => sub { ite_isa_detect 0, @_ },
      } ,
      {
-       name => "Serial EEPROM (PC-100 DIMM)",
+       name => "Serial EEPROM (SDRAM DIMM)",
        driver => "eeprom",
        i2c_addrs => [0x50..0x57],
        i2c_detect => sub { eeprom_detect @_ },
@@ -955,8 +961,8 @@ use subs qw(mtp008_detect lm78_detect lm78_isa_detect lm78_alias_detect
        i2c_detect => sub { pcf8591_detect @_},
      },
      {
-       name => "SMBus 2.0 ARP-Capable Device??",
-       driver => "to-be-written",
+       name => "SMBus 2.0 ARP-Capable Device",
+       driver => "smbus-arp",
        i2c_addrs => [0x61],
        i2c_detect => sub { arp_detect @_},
      },
@@ -1957,7 +1963,23 @@ sub lm80_detect
   }
   return (3);
 }
-  
+
+# $_[0]: A reference to the file descriptor to access this chip.
+# #_[1]: Base address.
+# Returns: undef if not detected, (7) if detected.
+# Registers used: 0x3e == Vendor register.
+#		  0x3f == Version/Stepping register.
+# Constants used: 0x01 == National Semiconductor Vendor Id.
+#		  0x60 == Version number. The lower 4 stepping
+#			  bits are masked and ignored.
+sub lm85_detect
+{
+  my ($file,$addr) = @_;
+  return if (i2c_smbus_read_byte_data($file,0x3e)) != 0x01;
+  return if (i2c_smbus_read_byte_data($file,0x3f) & 0xf0) != 0x60;
+  return (7);
+}
+
 # $_[0]: A reference to the file descriptor to access this chip.
 #        We may assume an i2c_set_slave_addr was already done.
 # $_[1]: Address