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Detect which of modules.conf or conf.modules should be used.

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Detect which of /dev/i2c-*, /dev/i2c/* or /dev/i2c*  should be
        used.
        Stop if no i2c device files exist.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@1944 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Jean Delvare
2003-08-07 09:31:24 +00:00
parent ded9daf517
commit 0dc5c7c00c
1 changed files with 54 additions and 48 deletions
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96
prog/detect/sensors-detect
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@@ -1506,6 +1506,34 @@ sub isa_write_byte
outb $_[1],$_[3];
}
#################
# AUTODETECTION #
#################
use vars qw($modules_conf $dev_i2c);
sub initialize_conf
{
if (-f '/etc/modules.conf') {
$modules_conf = '/etc/modules.conf';
} elsif (-f '/etc/conf.modules') {
$modules_conf = '/etc/conf.modules';
} else { # default
$modules_conf = '/etc/modules.conf';
}
if (-c '/dev/i2c-0') {
$dev_i2c = '/dev/i2c-';
} elsif (-c '/dev/i2c/0') {
$dev_i2c = '/dev/i2c/';
} elsif (-c '/dev/i2c0') {
$dev_i2c = '/dev/i2c';
} else { # default
print "No i2c device files found. Use prog/mkdev/mkdev.sh to create them.\n";
exit -1;
}
}
###########
# MODULES #
###########
@@ -2017,16 +2045,13 @@ sub add_isa_to_chips_detected
not exists $new_misdetected_ref->[$i]->{isa_addr} and
defined $alias_detect and
$new_misdetected_ref->[$i]->{chipname} eq $datahash->{chipname}) {
open FILE,"/dev/i2c-$new_misdetected_ref->[$i]->{i2c_devnr}" or
open FILE,"/dev/i2c$new_misdetected_ref->[$i]->{i2c_devnr}" or
open FILE,"/dev/i2c/$new_misdetected_ref->[$i]->{i2c_devnr}" or
print("Can't open ",
"/dev/i2c[-/]$new_misdetected_ref->[$i]->{i2c_devnr}?!?\n"),
open FILE,"$dev_i2c$new_misdetected_ref->[$i]->{i2c_devnr}" or
print("Can't open $dev_i2c$new_misdetected_ref->[$i]->{i2c_devnr}?!?\n"),
next;
binmode FILE;
i2c_set_slave_addr \*FILE,$new_misdetected_ref->[$i]->{i2c_addr} or
print("Can't set I2C address for ",
"/dev/i2c[-/]$new_misdetected_ref->[$i]->{i2c_devnr}?!?\n"),
"$dev_i2c$new_misdetected_ref->[$i]->{i2c_devnr}?!?\n"),
next;
if (&$alias_detect ($datahash->{isa_addr},\*FILE,
$new_misdetected_ref->[$i]->{i2c_addr})) {
@@ -2046,16 +2071,13 @@ sub add_isa_to_chips_detected
not exists $new_detected_ref->[$i]->{isa_addr} and
defined $alias_detect and
$new_detected_ref->[$i]->{chipname} eq $datahash->{chipname}) {
open FILE,"/dev/i2c-$new_detected_ref->[$i]->{i2c_devnr}" or
open FILE,"/dev/i2c$new_detected_ref->[$i]->{i2c_devnr}" or
open FILE,"/dev/i2c/$new_detected_ref->[$i]->{i2c_devnr}" or
print("Can't open ",
"/dev/i2c[-/]$new_detected_ref->[$i]->{i2c_devnr}?!?\n"),
open FILE,"$dev_i2c$new_detected_ref->[$i]->{i2c_devnr}" or
print("Can't open $dev_i2c$new_detected_ref->[$i]->{i2c_devnr}?!?\n"),
next;
binmode FILE;
i2c_set_slave_addr \*FILE,$new_detected_ref->[$i]->{i2c_addr} or
print("Can't set I2C address for ",
"/dev/i2c[-/]$new_detected_ref->[$i]->{i2c_devnr}?!?\n"),
"$dev_i2c$new_detected_ref->[$i]->{i2c_devnr}?!?\n"),
next;
if (&$alias_detect ($datahash->{isa_addr},\*FILE,
$new_detected_ref->[$i]->{i2c_addr})) {
@@ -2119,10 +2141,8 @@ sub scan_adapter
# As we modify it, we need a copy
my @not_to_scan = @$not_to_scan;
open FILE,"/dev/i2c-$adapter_nr" or
open FILE,"/dev/i2c$adapter_nr" or
open FILE,"/dev/i2c/$adapter_nr" or
(print "Can't open /dev/i2c[-/]$adapter_nr\n"), return;
open FILE,"$dev_i2c$adapter_nr" or
(print "Can't open $dev_i2c$adapter_nr\n"), return;
binmode FILE;
# Now scan each address in turn
@@ -3690,28 +3710,17 @@ sub main
{
my (@adapters,$res,$did_adapter_detection,$detect_others,$adapter);
initialize_conf;
initialize_proc_pci;
initialize_modules_list;
print " This program will help you to determine which I2C/SMBus modules you ",
"need to\n",
" load to use lm_sensors most effectively.\n";
print " You need to have done a `make install', issued a `depmod -a' and ",
"made sure\n",
" `/etc/conf.modules' (or `/etc/modules.conf') contains the ",
"appropriate\n",
" module path before you can use some functions of this utility. ",
"Read\n",
" doc/modules for more information.\n";
print " Also, you need to be `root', or at least have access to the ",
"/dev/i2c[-/]* files\n",
" for some things. You can use prog/mkdev/mkdev.sh to create these ",
"/dev files\n",
" if you do not have them already.\n";
print " If you have patched your kernel and have some drivers built-in ",
"you can\n",
" safely answer NO if asked to load some modules. In this case, ",
"things may\n",
print "\nThis program will help you determine which I2C/SMBus modules you need to\n",
"load to use lm_sensors most effectively. You need to have i2c and\n",
"lm_sensors installed before running this program.\n";
print "Also, you need to be `root', or at least have access to the $dev_i2c*\n",
"files, for most things.\n";
print "If you have patched your kernel and have some drivers built-in, you can\n",
"safely answer NO if asked to load some modules. In this case, things may\n",
"seem a bit confusing, but they will still work.\n\n";
unless (safe_system_vendor ())
@@ -3789,18 +3798,15 @@ sub main
if ($> != 0) {
print " i2c-dev is not loaded. As you are not root, we will just hope ",
"you edited\n",
" `/etc/conf.modules' (or `/etc/modules.conf') for automatic ",
"loading of\n",
" this module. If not, you won't be able to open any /dev/i2c[-/]* ",
"file.\n";
" `$modules_conf' for automatic loading of\n",
" this module. If not, you won't be able to open any $dev_i2c* file.\n";
} else {
print " i2c-dev is not loaded. Do you want to load it now? (YES/no): ";
if (<STDIN> =~ /^\s*[Nn]/) {
print " Well, you will know best. We will just hope you edited ",
"`/etc/conf.modules'\n",
" (or `/etc/modules.conf') for automatic loading of this ",
"module. If not,\n",
" you won't be able to open any /dev/i2c[-/]* file (unless you",
"`$modules_conf'\n",
" for automatic loading of this module. If not,\n",
" you won't be able to open any $dev_i2c* file (unless you",
"have it built-in\n",
" into your kernel)\n";
} elsif (system "modprobe","i2c-dev") {
@@ -3934,8 +3940,8 @@ sub main
my $use_isa = not <STDIN> =~ /\s*[Ss]/;
my ($modprobes,$configfile) = generate_modprobes $use_isa;
print "\nTo make the sensors modules behave correctly, add these lines to either\n",
"/etc/modules.conf or /etc/conf.modules:\n\n";
print "\nTo make the sensors modules behave correctly, add these lines to\n",
"$modules_conf:\n\n";
print "#----cut here----\n";
print $configfile;
print "#----cut here----\n";