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Add code to detect LM95245

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@5984 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Guenter Roeck
2011-07-10 19:22:53 +00:00
parent 93213b20cb
commit 60eaad824f
2 changed files with 25 additions and 9 deletions

View File

@@ -1007,6 +1007,11 @@ use vars qw(@i2c_adapter_names);
driver => "lm95241",
i2c_addrs => [0x2b, 0x19, 0x2a],
i2c_detect => sub { lm95231_detect(@_, 1); },
}, {
name => "National Semiconductor LM95245",
driver => "lm95245",
i2c_addrs => [0x18, 0x19, 0x29, 0x4c, 0x4d],
i2c_detect => sub { lm95231_detect(@_, 2); },
}, {
name => "National Semiconductor LM63",
driver => "lm63",
@@ -4540,12 +4545,14 @@ sub max6657_detect
return 5;
}
# Chip to detect: 0 = LM95231, 1 = LM95241
# Chip to detect: 0 = LM95231, 1 = LM95241, 2 = LM95245
# Registers used:
# 0x02: Status (3 unused bits)
# 0x03: Configuration (3 unused bits)
# 0x06: Remote diode filter control (6 unused bits)
# 0x30: Remote diode model type select (6 unused bits)
# 0x06: Remote diode filter control (6 unused bits, LM95231 and LM95241)
# 0x30: Remote diode model type select (6 unused bits, LM95231 and LM95241)
# 0x30: Local Temperature LSB (5 unused bits, LM95245)
# 0x33: Status register 2 (6 unused bits, LM95245)
# 0xfe: Manufacturer ID
# 0xff: Revision ID
sub lm95231_detect
@@ -4555,13 +4562,21 @@ sub lm95231_detect
my $cid = i2c_smbus_read_byte_data($file, 0xff);
return if $mid != 0x01; # National Semiconductor
return if $chip == 0 && $cid != 0xa1; # LM95231
return if $chip == 1 && $cid != 0xa4; # LM95241
return if i2c_smbus_read_byte_data($file, 0x02) & 0x70;
return if i2c_smbus_read_byte_data($file, 0x03) & 0x89;
return if i2c_smbus_read_byte_data($file, 0x06) & 0xfa;
return if i2c_smbus_read_byte_data($file, 0x30) & 0xfa;
if ($chip == 0 || $chip == 1) {
return if $chip == 0 && $cid != 0xa1; # LM95231
return if $chip == 1 && $cid != 0xa4; # LM95241
return if i2c_smbus_read_byte_data($file, 0x02) & 0x70;
return if i2c_smbus_read_byte_data($file, 0x03) & 0x89;
return if i2c_smbus_read_byte_data($file, 0x06) & 0xfa;
return if i2c_smbus_read_byte_data($file, 0x30) & 0xfa;
} elsif ($chip == 2) {
return if $cid != 0xb3; # LM95245
return if i2c_smbus_read_byte_data($file, 0x02) & 0x68;
return if i2c_smbus_read_byte_data($file, 0x03) & 0xa1;
return if i2c_smbus_read_byte_data($file, 0x30) & 0x1f;
return if i2c_smbus_read_byte_data($file, 0x33) & 0x3f;
}
return 6;
}