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(mds) add detection for ITE 8705/8712 (no driver yet)

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git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@853 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Mark D. Studebaker
2000-08-06 17:03:09 +00:00
parent 40a6e0e631
commit 705ba78a27
3 changed files with 75 additions and 1 deletions
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74
prog/detect/sensors-detect
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@@ -255,7 +255,7 @@ use subs qw(lm78_detect lm78_isa_detect lm78_alias_detect lm75_detect
w83781d_isa_detect gl518sm_detect gl520sm_detect adm9240_detect
adm1021_detect sis5595_isa_detect eeprom_detect via686a_isa_detect
adm1022_detect ltc1710_detect gl525sm_detect lm87_detect
ddcmonitor_detect);
ite_detect ite_isa_detect ite_alias_detect ddcmonitor_detect);
# This is a list of all recognized chips.
# Each entry must have the following fields:
@@ -487,6 +487,16 @@ use subs qw(lm78_detect lm78_isa_detect lm78_alias_detect lm75_detect
isa_addrs => [ 0 ],
isa_detect => sub { via686a_isa_detect @_ },
},
{
name => "ITE IT8705F / IT8712F",
# driver => "xxxxxxx",
i2c_addrs => [0x00..0x68,0x6a..0x7f],
i2c_driver_addrs => [0x20..0x2f],
i2c_detect => sub { ite_detect 0, @_},
isa_addrs => [0x290],
isa_detect => sub { ite_isa_detect 0, @_ },
alias_detect => sub { ite_alias_detect 0, @_ },
} ,
{
name => "Serial EEPROM (PC-100 DIMM)",
driver => "eeprom",
@@ -1792,6 +1802,68 @@ sub via686a_isa_detect
return 9;
}
# $_[0]: Chip to detect (0 = ..., 1 = ...)
# $_[1]: A reference to the file descriptor to access this chip.
# We may assume an i2c_set_slave_addr was already done.
# $_[2]: Address
# Returns: undef if not detected, (7) if detected.
# Registers used:
# 0x40: Configuration
# 0x48: Full I2C Address
# 0x58: Mfr ID
# Note that this function is always called through a closure, so the
# arguments are shifted by one place.
sub ite_detect
{
my $reg;
my ($chip,$file,$addr) = @_;
return unless i2c_smbus_read_byte_data($file,0x48) == $addr;
return unless (i2c_smbus_read_byte_data($file,0x40) & 0x80) == 0x00;
return unless i2c_smbus_read_byte_data($file,0x58) == 0x90;
return (7);
}
# $_[0]: Chip to detect (0 = ..., 1 = ...)
# $_[1]: Address
# Returns: undef if not detected, 7 if detected.
# Note: Only address 0x290 is scanned at this moment.
sub ite_isa_detect
{
my ($chip,$addr) = @_ ;
my $val = inb ($addr + 1);
return if inb ($addr + 2) != $val or inb ($addr + 3) != $val or
inb ($addr + 7) != $val;
$val = inb($addr + 5) & 0x7f;
outb($addr+5,~ $val);
if ((inb ($addr+5) & 0x7f) != (~ $val & 0x7f)) {
outb($addr+5,$val);
return;
}
my $readproc = sub { isa_read_byte $addr + 5, $addr + 6, @_ };
return unless (&$readproc(0x40) & 0x80) == 0x00;
my $reg = &$readproc(0x58);
return unless ($reg == 0x90);
return 7;
}
# $_[0]: Chip to detect (0 = ..., 1 = ...)
# $_[1]: ISA address
# $_[2]: I2C file handle
# $_[3]: I2C address
sub ite_alias_detect
{
my ($chip,$isa_addr,$file,$i2c_addr) = @_;
my $i;
my $readproc = sub { isa_read_byte $isa_addr + 5, $isa_addr + 6, @_ };
return 0 unless &$readproc(0x48) == $i2c_addr;
for ($i = 0x2b; $i <= 0x3d; $i ++) {
return 0 unless &$readproc($i) == i2c_smbus_read_byte_data($file,$i);
}
return 1;
}
# $_[0]: A reference to the file descriptor to access this chip.
# We may assume an i2c_set_slave_addr was already done.
# $_[1]: Address