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sensors-detect: Add detection of various TI chips

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Detect TMP441, TMP442, LM95233, LM95234, LM95235.
Strengthen detection of TMP421/TMP422/TMP423.
This commit is contained in:
Guenter Roeck
2014-06-26 13:31:14 +00:00
parent caa118e4a7
commit 778c8486c8
2 changed files with 45 additions and 6 deletions
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2
CHANGES
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@@ -11,6 +11,8 @@ SVN HEAD
sensors-detect: Add detection of ADC128D818
Add detection of AMD family 16h Kabini and Mullins
Add detection of ITE IT8620E and IT8623E
Add detection of TMP441, TMP442, LM95233, LM95234,
and LM95235
3.3.5 "Happy Birthday Beddy" (2014-01-22)
libsensors: Improve documentation of two functions

49
prog/detect/sensors-detect
View File

@@ -1032,6 +1032,16 @@ use vars qw(@i2c_adapter_names);
driver => "to-be-written", # tmp401
i2c_addrs => [0x4c, 0x4d],
i2c_detect => sub { lm90_detect(@_, 17); },
}, {
name => "Texas Instruments TMP441",
driver => "tmp421",
i2c_addrs => [0x1c..0x1f, 0x2a, 0x4c..0x4f],
i2c_detect => sub { tmp42x_detect(@_, 3); },
}, {
name => "Texas Instruments TMP442",
driver => "tmp421",
i2c_addrs => [0x4c, 0x4d],
i2c_detect => sub { tmp42x_detect(@_, 4); },
}, {
name => "Texas Instruments TMP451",
driver => "lm90",
@@ -1047,11 +1057,21 @@ use vars qw(@i2c_adapter_names);
driver => "lm95241",
i2c_addrs => [0x2b, 0x19, 0x2a],
i2c_detect => sub { lm95231_detect(@_, 0); },
}, {
name => "National Semiconductor LM95233",
driver => "lm95234",
i2c_addrs => [0x18, 0x2a, 0x2b],
i2c_detect => sub { lm95231_detect(@_, 5); },
}, {
name => "National Semiconductor LM95234",
driver => "to-be-written", # lm95234
driver => "lm95234",
i2c_addrs => [0x18, 0x4d, 0x4e],
i2c_detect => sub { lm95231_detect(@_, 3); },
}, {
name => "National Semiconductor LM95235",
driver => "lm95245",
i2c_addrs => [0x18, 0x29, 0x4c],
i2c_detect => sub { lm95231_detect(@_, 4); },
}, {
name => "National Semiconductor LM95241",
driver => "lm95241",
@@ -4765,9 +4785,11 @@ sub lm90_detect
return;
}
# Chip to detect: 0 = TMP421, 1 = TMP422, 2 = TMP423
# Chip to detect: 0 = TMP421, 1 = TMP422, 2 = TMP423, 3 = TMP441, 4 = TMP442
# Registers used:
# 0xfe: Manufactorer ID
# 0x08: Status (7 unused bits)
# 0x0b: Conversion rate (value 0x07 or lower)
# 0xfe: Manufacturer ID
# 0xff: Device ID
sub tmp42x_detect()
{
@@ -4775,12 +4797,18 @@ sub tmp42x_detect()
my $mid = i2c_smbus_read_byte_data($file, 0xfe);
my $cid = i2c_smbus_read_byte_data($file, 0xff);
my $status = i2c_smbus_read_byte_data($file, 0x08);
my $rate = i2c_smbus_read_byte_data($file, 0x0b);
return if ($mid != 0x55);
return if ($status & 0x7f);
return if ($rate > 0x07);
return 6 if ($chip == 0 && $cid == 0x21); # TMP421
return 6 if ($chip == 1 && $cid == 0x22); # TMP422
return 6 if ($chip == 2 && $cid == 0x23); # TMP423
return 6 if ($chip == 3 && $cid == 0x41); # TMP441
return 6 if ($chip == 4 && $cid == 0x42); # TMP442
return;
}
@@ -4833,7 +4861,8 @@ sub max6657_detect
return 5;
}
# Chip to detect: 0 = LM95231, 1 = LM95241, 2 = LM95245, 3 = LM95234
# Chip to detect: 0 = LM95231, 1 = LM95241, 2 = LM95245, 3 = LM95234,
# 4 = LM95235, 5 = LM95233
# Registers used:
# 0x02: Status (3 unused bits)
# 0x03: Configuration (3 unused bits)
@@ -4861,8 +4890,9 @@ sub lm95231_detect
return if i2c_smbus_read_byte_data($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 $cid != 0xb3; # LM95245
} elsif ($chip == 2 || $chip == 4) {
return if $chip == 4 && $cid != 0xb1; # LM95235
return if $chip == 2 && $cid != 0xb3; # LM95245
return if i2c_smbus_read_byte_data($file, 0x02) & 0x68;
return if i2c_smbus_read_byte_data($file, 0x03) & 0xa1;
return if i2c_smbus_read_byte_data($file, 0x30) & 0x1f;
@@ -4874,6 +4904,13 @@ sub lm95231_detect
return if i2c_smbus_read_byte_data($file, 0x04) & 0xfc;
return if i2c_smbus_read_byte_data($file, 0x30) & 0xe1;
return if i2c_smbus_read_byte_data($file, 0x38) & 0xe1;
} elsif ($chip == 5) {
return if $cid != 0x89; # LM95233
return if i2c_smbus_read_byte_data($file, 0x02) & 0x30;
return if i2c_smbus_read_byte_data($file, 0x03) & 0xbf;
return if i2c_smbus_read_byte_data($file, 0x04) & 0xfc;
return if i2c_smbus_read_byte_data($file, 0x30) & 0xf9;
return if i2c_smbus_read_byte_data($file, 0x38) & 0xf9;
}
return 6;