Changeset 4185

Timestamp:

09/26/06 11:18:33 (7 years ago)

Author:

khali

Message:

Add SMSC DME1737 detection.

Location:

lm-sensors/trunk

Files:

• CHANGES (modified) (1 diff)
• prog/detect/sensors-detect (modified) (3 diffs)

lm-sensors/trunk/CHANGES

@@ -3 +3 @@
 
 2.10.2 (2006????)
+  Program sensors-detect: Add SMSC DME1737 detection
 
 2.10.1 (20060924)

lm-sensors/trunk/prog/detect/sensors-detect

@@ -1330 +1330 @@
        i2c_addrs => [0x2c..0x2d],
        i2c_detect => sub { smsc47m192_detect(@_); },
+     },
+     {
+       name => "SMSC DME1737",
+       driver => "to-be-written",
+       i2c_addrs => [0x2c..0x2e],
+       i2c_detect => sub { dme1737_detect(@_); },
      },
      {
@@ -1724 +1730 @@
         devid => 0x76,
       },
+      {
+        name => "SMSC DME1737 Super IO",
+        # Hardware monitoring features are accessed on the SMBus
+        driver => "not-a-sensor",
+        devid => 0x78,
+      },
     ],
   },
@@ -4595 +4607 @@
 }
 
+# $_[0]: A reference to the file descriptor to access this chip.
+#        We assume an i2c_set_slave_addr was already done.
+# $_[1]: Address
+# Returns: undef if not detected, 5 or 6 if detected.
+# Registers used:
+#   0x3E: Manufacturer ID
+#   0x3F: Version/Stepping
+#   0x40: Configuration (2 reserved bits)
+#   0x42: Interrupt Status 2 (1 reserved bit)
+#   0x43: VID (2 reserved bits)
+sub dme1737_detect
+{
+  my ($file, $addr) = @_;
+  return unless i2c_smbus_read_byte_data($file, 0x3E) == 0x55
+           and (i2c_smbus_read_byte_data($file, 0x3F) & 0xF8) == 0x88
+           and (i2c_smbus_read_byte_data($file, 0x40) & 0xC4) == 0x04
+           and (i2c_smbus_read_byte_data($file, 0x42) & 0x02) == 0x00
+           and (i2c_smbus_read_byte_data($file, 0x43) & 0xC0) == 0x00;
+  return ($addr == 0x2e ? 6 : 5);
+}
+
 # $_[0]: Chip to detect
 #   (1 = F75111R/RG/N, 2 = F75121R/F75122R/RG, 3 = F75373S/SG,