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Add detection of the Analog Devices ADT7410.

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git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@5895 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Jean Delvare
2010-12-12 16:54:35 +00:00
parent 7074e626f4
commit 421f0575b0
2 changed files with 41 additions and 0 deletions
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40
prog/detect/sensors-detect
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@@ -596,6 +596,11 @@ use vars qw(@i2c_adapter_names);
driver => "adt7475",
i2c_addrs => [0x2c..0x2e],
i2c_detect => sub { adt7490_detect(@_); },
}, {
name => "Analog Devices ADT7410",
driver => "to-be-written",
i2c_addrs => [0x48..0x4b],
i2c_detect => sub { adt7410_detect(@_); },
}, {
name => "Analog Devices ADT7411",
driver => "to-be-written",
@@ -4546,6 +4551,41 @@ sub adt7490_detect
return 5;
}
# Registers used:
# 0x02: Status
# 0x0a: Thyst
# 0x0b: ID
# We also rely on the fact that only the 5 LSB of the address pointer
# are considered, so registers cycle over 32 byte boundaries.
sub adt7410_detect
{
my ($file, $addr) = @_;
my $status = i2c_smbus_read_byte_data($file, 0x02);
my $thyst = i2c_smbus_read_byte_data($file, 0x0a);
my $id = i2c_smbus_read_byte_data($file, 0x0b);
# Unused bits
return if ($status & 0x0f);
return if ($thyst & 0xf0);
# ID register
return if $id != 0xcb;
# Cycling registers
for (my $i = 2; $i < 16; $i *= 2) {
return if i2c_smbus_read_byte_data($file, 0x0a + $i * 16) != $thyst;
return if i2c_smbus_read_byte_data($file, 0x0b + $i * 16) != $id;
}
# Non-existent registers (other devices tend to have ID registers there)
return if i2c_smbus_read_byte_data($file, 0x03e) != 0;
return if i2c_smbus_read_byte_data($file, 0x03f) != 0;
return if i2c_smbus_read_byte_data($file, 0x0fe) != 0;
return if i2c_smbus_read_byte_data($file, 0x0ff) != 0;
return 3;
}
# Registers used:
# 0x4d: Device ID
# 0x4e: Manufacturer ID