mir/lm-sensors
2
0
Fork 0
mirror of https://github.com/lm-sensors/lm-sensors synced 2025-09-02 07:15:39 +00:00
Code Issues Releases Wiki Activity

Improve MAX6657, MAX6658, MAX6659 detection.

Browse Source 
Adjust the confidence value of ADM1032, MAX6680/MAX6681 and TMP401.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/branches/lm-sensors-3.0.0@5264 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Jean Delvare
2008-05-25 10:07:25 +00:00
parent bc735d6619
commit 0463566da7
2 changed files with 41 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
prog/detect/sensors-detect
View File

@@ -1094,13 +1094,13 @@ use vars qw(@pci_adapters_sis5595 @pci_adapters_sis645 @pci_adapters_sis96x);
name => "Maxim MAX6657/MAX6658/MAX6659",
driver => "lm90",
i2c_addrs => [0x4c],
i2c_detect => sub { lm90_detect(4, @_); },
i2c_detect => sub { max6657_detect(@_); },
},
{
name => "Maxim MAX6659",
driver => "lm90",
i2c_addrs => [0x4d..0x4e], # 0x4c is handled above
i2c_detect => sub { lm90_detect(4, @_); },
i2c_detect => sub { max6657_detect(@_); },
},
{
name => "Maxim MAX6648/MAX6692",
@@ -3958,14 +3958,12 @@ sub lm83_detect
}
# $_[0]: Chip to detect
# (0 = LM90, 1=LM89/LM99, 2=LM86, 3=ADM1032, 4=MAX6657/MAX6658/MAX6659,
# (0 = LM90, 1 = LM89/LM99, 2 = LM86, 3 = ADM1032,
# 5 = ADT7461, 6 = MAX6648/MAX6692, 7 = MAX6680/MAX6681,
# 8 = W83L771W/G), 9 = TI TMP401
# 8 = W83L771W/G, 9 = TI TMP401)
# $_[1]: A reference to the file descriptor to access this chip.
# $_[2]: Address
# Returns: undef if not detected, 4, 6 or 8 if detected.
# The Maxim chips MAX6657, MAX6658 and MAX6659 have a low confidence
# value (4) because they don't have a die revision register.
# Returns: undef if not detected, 6 or 8 if detected.
# Registers used:
# 0x03: Configuration
# 0x04: Conversion rate
@@ -4005,15 +4003,7 @@ sub lm90_detect
return if ($conf & 0x3f) != 0;
return if $rate > 0x0a;
return if $mid != 0x41; # Analog Devices
return 8 if ($cid & 0xf0) == 0x40; # ADM1032
}
if ($chip == 4) {
return if ($conf & 0x1f) != ($mid & 0x0f); # No low nibble,
# returns previous low nibble
return if $rate > 0x09;
return if $mid != 0x4d; # Maxim
return if $cid != 0x4d; # No register, returns previous value
return 4;
return 6 if ($cid & 0xf0) == 0x40; # ADM1032
}
if ($chip == 5) {
return if ($conf & 0x1b) != 0;
@@ -4033,7 +4023,7 @@ sub lm90_detect
return if $rate > 0x07;
return if $mid != 0x4d; # Maxim
return if $cid != 0x01; # MAX6680/MAX6681
return 6;
return 8;
}
if ($chip == 8) {
return if ($conf & 0x2a) != 0;
@@ -4047,11 +4037,43 @@ sub lm90_detect
return if $rate > 0x0F;
return if $mid != 0x55; # Texas Instruments
return if $cid != 0x11; # TMP401
return 6;
return 8;
}
return;
}
# $_[0]: A reference to the file descriptor to access this chip.
# $_[1]: Address
# Returns: undef if not detected, 5 if detected.
# Registers used:
# 0x03: Configuration (no low nibble)
# 0x04: Conversion rate
# 0xfe: Manufacturer ID
# 0xff: no register
sub max6657_detect
{
my ($file, $addr) = @_;
my $mid = i2c_smbus_read_byte_data($file, 0xfe);
my $cid = i2c_smbus_read_byte_data($file, 0xff);
my $conf = i2c_smbus_read_byte_data($file, 0x03);
return if $mid != 0x4d; # Maxim
return if ($conf & 0x1f) != 0x0d; # No low nibble,
# returns previous low nibble
return if $cid != 0x4d; # No register, returns previous value
my $rate = i2c_smbus_read_byte_data($file, 0x04);
return if $rate > 0x09;
$cid = i2c_smbus_read_byte_data($file, 0xff);
$conf = i2c_smbus_read_byte_data($file, 0x03);
return if ($conf & 0x0f) != $rate; # No low nibble,
# returns previous low nibble
return if $cid != $rate; # No register, returns previous value
return 5;
}
# $_[0]: Chip to detect
# (1 = LM63, 2 = F75363SG, 3 = LM64)
# $_[1]: A reference to the file descriptor to access this chip.