From 51817d862ae67da65fdd6e5543c8b84eef90dd13 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Sat, 27 Sep 2003 08:19:20 +0000
Subject: [PATCH] Add FSC Hermes detection.

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@2002 7894878c-1315-0410-8ee3-d5d059ff63e0
---
 prog/detect/sensors-detect | 35 ++++++++++++++++++++++++++++++++---
 1 file changed, 32 insertions(+), 3 deletions(-)

diff --git a/prog/detect/sensors-detect b/prog/detect/sensors-detect
index 9309c688..a001f181 100755
--- a/prog/detect/sensors-detect
+++ b/prog/detect/sensors-detect
@@ -776,7 +776,8 @@ use subs qw(mtp008_detect lm78_detect lm78_isa_detect lm78_alias_detect
             fscscy_detect pcf8591_detect arp_detect ipmi_kcs_detect
             ipmi_smic_detect via8231_isa_detect lm85_detect smartbatt_detect
             adm1026_detect w83l785ts_detect lm83_detect lm90_detect
-            saa1064_detect w83l784r_detect mozart_detect max6650_detect);
+            saa1064_detect w83l784r_detect mozart_detect max6650_detect
+			fscher_detect);
 
 # This is a list of all recognized chips. 
 # Each entry must have the following fields:
@@ -1195,17 +1196,23 @@ use subs qw(mtp008_detect lm78_detect lm78_isa_detect lm78_alias_detect
        i2c_detect => sub { ddcmonitor_detect @_ },
      },
      {
-       name => "FSC poseidon chip",
+       name => "FSC Poseidon",
        driver => "fscpos",
        i2c_addrs => [0x73],
        i2c_detect => sub { fscpos_detect @_ },
      },
      {
-       name => "FSC Scylla chip",
+       name => "FSC Scylla",
        driver => "fscscy",
        i2c_addrs => [0x73],
        i2c_detect => sub { fscscy_detect @_ },
      },
+     {
+       name => "FSC Hermes",
+       driver => "to-be-written",
+       i2c_addrs => [0x73],
+       i2c_detect => sub { fscher_detect @_ },
+     },
      {
        name => "Philips Semiconductors PCF8591",
        driver => "pcf8591",
@@ -3304,6 +3311,28 @@ sub fscscy_detect
   return (8);
 }
 
+# $_[0]: A reference to the file descriptor to access this chip.
+#        We may assume an i2c_set_slave_addr was already done.
+# $_[1]: Address
+# Returns: undef if not detected, (8) if detected.
+# Registers used:
+#   0x00-0x02: Identification ('H','E','R')
+sub fscher_detect
+{
+  my ($file,$addr) = @_;
+  # check the first 3 registers
+  if (i2c_smbus_read_byte_data($file,0x00) != 0x48) {
+  	return;
+  }
+  if (i2c_smbus_read_byte_data($file,0x01) != 0x45) {
+  	return;
+  }
+  if (i2c_smbus_read_byte_data($file,0x02) != 0x52) {
+  	return;
+  }
+  return (8);
+}
+
 # $_[0]: Chip to detect (0 = PCF8591, 1 = PCF8574, 2 = PCF8574A).
 # $_[1]: A reference to the file descriptor to access this chip.
 #        We may assume an i2c_set_slave_addr was already done.