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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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49
prog/detect/sensors-detect
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@@ -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;