(mds) Add support for LM84 (ADM1021 clone) to adm1021.c and sensors-detect.

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@602 7894878c-1315-0410-8ee3-d5d059ff63e0

README

@@ -35,7 +35,7 @@ At least the following SMBus adapters are supported:
   Apple Hydra (used on some PPC machines)
 
 At least the following hardware sensor chips are supported:
-  National Semicoductor LM75, LM78, LM78-J, LM79. LM80, and LM81
+  National Semicoductor LM75, LM78, LM78-J, LM79. LM80, LM81, and LM84
   Winbond W83781D, W83782D, W83783S, and W83627HF
   Genesys Logic GL518SM (several revisions)
   Analog Devices ADM1021, ADM1022, and ADM9240

doc/chips/SUMMARY

@@ -37,6 +37,7 @@ Driver  Chips		#temp	#vin	#fanin	pwm/dac	i2c	ISA
 ---------------------------------------------------------------------
 adm1021
 	adm1021		2	-	-	-	yes	no
+	lm84		2	-	-	-	yes	no
 	max1617		2	-	-	-	yes	no
 	max1617a	2	-	-	-	yes	no
 	thmc10		2	-	-	-	yes	no
@@ -120,6 +121,7 @@ Many SMBus chips have a company ID at location 0x3E or 0xFE.
 Here is a partial list.
 This may help identify a chip after doing a 'i2cdump [bus] [address] b'.
 
+0x00	National
 0x01	National
 0x23	AMD
 0x41	AMD

kernel/chips/adm1021.c

@@ -42,7 +42,7 @@ static unsigned int normal_isa[] = {SENSORS_ISA_END};
 static unsigned int normal_isa_range[] = {SENSORS_ISA_END};
 
 /* Insmod parameters */
-SENSORS_INSMOD_4(adm1021,max1617,max1617a,thmc10);
+SENSORS_INSMOD_5(adm1021,max1617,max1617a,thmc10,lm84);
 
 /* adm1021 constants specified below */
 
@@ -248,6 +248,8 @@ static int adm1021_detect(struct i2c_adapter *adapter, int address,
       kind = adm1021;
     else if (i == 0x49)
       kind = thmc10;
+    else if (i == 0x00)
+      kind = lm84;
     else if ((i== 0x4d) && 
              (adm1021_read_value(new_client,ADM1021_REG_DEV_ID) == 0x01))
       kind = max1617a;

kernel/include/sensors.h

@@ -280,6 +280,25 @@ struct sensors_address_data {
                                                  {NULL}}; \
   SENSORS_INSMOD
 
+#define SENSORS_INSMOD_5(chip1,chip2,chip3,chip4,chip5) \
+  enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \
+  SENSORS_MODULE_PARM(force, \
+                      "List of adapter,address pairs to boldly assume " \
+                      "to be present"); \
+  SENSORS_MODULE_PARM_FORCE(chip1); \
+  SENSORS_MODULE_PARM_FORCE(chip2); \
+  SENSORS_MODULE_PARM_FORCE(chip3); \
+  SENSORS_MODULE_PARM_FORCE(chip4); \
+  SENSORS_MODULE_PARM_FORCE(chip5); \
+  static struct sensors_force_data forces[] = {{force,any_chip}, \
+                                                 {force_ ## chip1,chip1}, \
+                                                 {force_ ## chip2,chip2}, \
+                                                 {force_ ## chip3,chip3}, \
+                                                 {force_ ## chip4,chip4}, \
+                                                 {force_ ## chip5,chip5}, \
+                                                 {NULL}}; \
+  SENSORS_INSMOD
+
 typedef int sensors_found_addr_proc (struct i2c_adapter *adapter, 
                                      int addr, unsigned short flags,
                                      int kind);

prog/detect/sensors-detect

@@ -290,6 +290,12 @@ use subs qw(lm78_detect lm78_isa_detect lm78_alias_detect lm75_detect
        i2c_addrs => [0x18..0x1a,0x29..0x2b,0x4c..0x4e],
        i2c_detect => sub { adm1021_detect 3, @_ },
      },
+     {
+       name => "National Semiconductor LM84"
+       driver => "adm1021",
+       i2c_addrs => [0x18..0x1a,0x29..0x2b,0x4c..0x4e],
+       i2c_detect => sub { adm1021_detect 4, @_ },
+     },
      {
        name => "Analog Devices ADM1022",
        driver => "thmc50",
@@ -1419,7 +1425,8 @@ sub adm1022_detect
   return (8);
 }
 
-# $_[0]: Chip to detect (0 = ADM1021, 1 = MAX1617, 2 = MAX1617A, 3 = THMC10)
+# $_[0]: Chip to detect
+#   (0 = ADM1021, 1 = MAX1617, 2 = MAX1617A, 3 = THMC10, 4 = LM84)
 # $_[1]: A reference to the file descriptor to access this chip.
 #        We may assume an i2c_set_slave_addr was already done.
 # $_[2]: Address
@@ -1435,6 +1442,7 @@ sub adm1021_detect
   my ($chip, $file,$addr) = @_;
   return if $chip == 0 and i2c_smbus_read_byte_data($file,0xfe) != 0x41;
   return if $chip == 3 and i2c_smbus_read_byte_data($file,0xfe) != 0x49;
+  return if $chip == 4 and i2c_smbus_read_byte_data($file,0xfe) != 0x00;
   return if $chip == 2 and i2c_smbus_read_byte_data($file,0xfe) != 0x4d and
                            i2c_smbus_read_byte_data($file,0xff) != 0x01;
   # The remaining things are flaky at best. Perhaps something can be done