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Add detection for LM90 clones (ADM1032, MAX6657, MAX6658).

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git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@1981 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Jean Delvare
2003-08-30 20:53:29 +00:00
parent f24d73e83b
commit dfd8c9035c
1 changed files with 44 additions and 19 deletions
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63
prog/detect/sensors-detect
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@@ -1098,7 +1098,7 @@ use subs qw(mtp008_detect lm78_detect lm78_isa_detect lm78_alias_detect
},
{
name => "National Semiconductor LM90",
driver => "to-be-written",
driver => "lm90",
i2c_addrs => [0x4c],
i2c_detect => sub { lm90_detect 0, @_ },
},
@@ -1114,6 +1114,18 @@ use subs qw(mtp008_detect lm78_detect lm78_isa_detect lm78_alias_detect
i2c_addrs => [0x4c],
i2c_detect => sub { lm90_detect 2, @_ },
},
{
name => "Analog Devices ADM1032",
driver => "to-be-written",
i2c_addrs => [0x4c],
i2c_detect => sub { lm90_detect 3, @_ },
},
{
name => "Maxim MAX6657/MAX6658",
driver => "to-be-written",
i2c_addrs => [0x4c],
i2c_detect => sub { lm90_detect 4, @_ },
},
{
name => "Analog Devices ADM1022",
driver => "thmc50",
@@ -2518,38 +2530,51 @@ sub lm83_detect
}
# $_[0]: Chip to detect
# (0 = LM90, 1=LM89, 2=LM86)
# (0 = LM90, 1=LM89, 2=LM86, 3=ADM1032, 4=MAX6657/MAX6658)
# $_[1]: A reference to the file descriptor to access this chip.
# We may assume an i2c_set_slave_addr was already done.
# $_[2]: Address
# Returns: undef if not detected, 7 or 8 if detected.
# Returns: undef if not detected, 3, 7 or 8 if detected.
# The Analog Devices and Maxim chips have a low confidence value (3)
# because the die revision codes are not known.
# Registers used:
# 0x03: Configuration
# 0xfe: Manufacturer ID
# 0xff: Chip ID / die revision
sub lm90_detect
{
my $reg;
my ($chip, $file,$addr) = @_;
return if i2c_smbus_read_byte_data($file,0xfe) != 0x01;
return if (i2c_smbus_read_byte_data($file,0x03) & 0x2a) != 0;
my ($chip, $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);
if ($chip == 0) {
return 8
if ($reg = i2c_smbus_read_byte_data($file,0xff)) == 0x21;
return 7
if $reg > 0x21 and $reg < 0x30;
return if ($conf & 0x2a) != 0;
return if $mid != 0x01; # National Semicondutor
return 8 if $cid == 0x21; # LM90
return 7 if $cid > 0x21 and $cid < 0x30;
}
if ($chip == 1) {
return 8
if ($reg = i2c_smbus_read_byte_data($file,0xff)) == 0x31;
return 7
if $reg > 0x31 and $reg < 0x40;
return if ($conf & 0x2a) != 0;
return if $mid != 0x01; # National Semicondutor
return 8 if $cid == 0x31; # LM89
return 7 if $cid > 0x31 and $cid < 0x40;
}
if ($chip == 2) {
return 8
if ($reg = i2c_smbus_read_byte_data($file,0xff)) == 0x11;
return 7
if $reg > 0x11 and $reg < 0x20;
return if ($conf & 0x2a) != 0;
return if $mid != 0x01; # National Semicondutor
return 8 if $cid == 0x11; # LM86
return 7 if $cid > 0x11 and $cid < 0x20;
}
if ($chip == 3) {
return if ($conf & 0x3f) != 0;
return if $mid != 0x41; # Analog Devices
return 3;
}
if ($chip == 4) {
return if ($conf & 0x1f) != 0;
return if $mid != 0x4d; # Maxim
return 3;
}
return;
}