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added ds1780 recognition/support. untested.

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git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@349 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Mark D. Studebaker
1999-03-29 00:58:55 +00:00
parent ddfb8235ca
commit 1067bc4d69
3 changed files with 55 additions and 24 deletions
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22
prog/detect/sensors-detect
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@@ -199,7 +199,13 @@ use subs qw(lm78_detect lm78_isa_detect lm78_alias_detect lm75_detect
name => "Analog Devices ADM9240",
driver => "adm9240",
i2c_addrs => [0x2c..0x2f],
i2c_detect => sub { adm9240_detect @_ }
i2c_detect => sub { adm9240_detect 0, @_ }
},
{
name => "Dallas Semiconductor DS1780",
driver => "adm9240",
i2c_addrs => [0x2c..0x2f],
i2c_detect => sub { adm9240_detect 1, @_ }
},
{
name => "Analog Devices ADM1021",
@@ -1275,10 +1281,11 @@ sub gl520sm_detect
return (5);
}
# $_[0]: A reference to the file descriptor to access this chip.
# $_[0]: Chip to detect (0 = ADM9240, 1 = DS1780)
# $_[1]: A reference to the file descriptor to access this chip.
# We may assume an i2c_set_slave_addr was already done.
# $_[1]: Address
# Returns: undef if not detected, (5) if detected.
# $_[2]: Address
# Returns: undef if not detected, (8) if detected.
# Registers used:
# 0x3e: Company ID
# 0x40: Configuration
@@ -1286,8 +1293,11 @@ sub gl520sm_detect
# Note: Detection overrules a previous LM78 detection
sub adm9240_detect
{
my ($file,$addr) = @_;
return unless i2c_smbus_read_byte_data($file,0x3e) == 0x23;
my $reg;
my ($chip, $file,$addr) = @_;
$reg = i2c_smbus_read_byte_data($file,0x3e);
return unless ($chip == 0 and $reg == 0x23) or
($chip == 1 and $reg == 0xda);
return unless (i2c_smbus_read_byte_data($file,0x40) & 0x80) == 0x00;
return unless i2c_smbus_read_byte_data($file,0x48) == $addr;