Changeset 2440

Timestamp:

04/14/04 20:29:24 (5 years ago)

Author:

khali

Message:

Support MAX6633, MAX6634, MAX6635 and LM76.

Files:

• lm-sensors/trunk/doc/chips/SUMMARY (modified) (1 diff)
• lm-sensors/trunk/doc/chips/lm92 (modified) (2 diffs)
• lm-sensors/trunk/kernel/chips/lm92.c (modified) (3 diffs)

lm-sensors/trunk/doc/chips/SUMMARY

@@ -136 +136 @@
-
-lm92
+        (all are reported as an "lm92")
-        lm92            1       -       -       -       yes     no
+        max6633         1       -       -       -       yes     no
+        max6634         1       -       -       -       yes     no
+        max6635         1       -       -       -       yes     no
+        (lm76 needs force parameter)
+        lm76            1       -       -       -       yes     no
-
-maxilife

lm-sensors/trunk/doc/chips/lm92

@@ -8 +8 @@
-    Prefix `lm92'
-    Addresses scanned: I2C 0x48 - 0x4b (inclusive)
+  * National Semiconductors LM76
+    Prefix `lm92'
+    Addresses scanned: none, force parameter needed
+  * Maxim MAX6633/MAX6634/MAX6635
+    Prefix `lm92'
+    Addresses scanned: I2C 0x48 - 0x4f (inclusive)
+    MAX6633 with address in 0x40 - 0x47 needs force parameter
-
-Author: Abraham van der Merwe <abraham@2d3d.co.za>
@@ -47 +54 @@
-interrupt pins (INT, T_CRIT_A) are ignored.
-
+Support was added later for the LM76 and Maxim MAX6633/MAX6634/MAX6635,
+which are mostly compatible. They have not all been tested, so you
+may need to use the force parameter.
+
-
-Hardware Configurations

lm-sensors/trunk/kernel/chips/lm92.c

@@ -108 +108 @@
-/* addresses to scan */
-static unsigned short normal_i2c[] = { SENSORS_I2C_END };
-b
+f
-static unsigned int normal_isa[] = { SENSORS_ISA_END };
-static unsigned int normal_isa_range[] = { SENSORS_ISA_END };
@@ -232 +232 @@
-}
-
+static int max6635_check(struct i2c_client *client)
+{
+        int i;
+        u16 temp_low, temp_high, temp_hyst, temp_crit;
+        u8 conf;
+
+        temp_low = i2c_smbus_read_word_data(client, LM92_REG_TRIP_LOW);
+        temp_high = i2c_smbus_read_word_data(client, LM92_REG_TRIP_HIGH);
+        temp_hyst = i2c_smbus_read_word_data(client, LM92_REG_TRIP_HYSTERESIS);
+        temp_crit = i2c_smbus_read_word_data(client, LM92_REG_TRIP_CRITICAL);
+        
+        if ((temp_low & 0x7f00) || (temp_high & 0x7f00)
+         || (temp_hyst & 0x7f00) || (temp_crit & 0x7f00))
+                return 0;
+
+        conf = i2c_smbus_read_byte_data(client, LM92_REG_CONFIGURATION);
+
+        for (i=0; i<128; i+=16) {
+                if (temp_low != i2c_smbus_read_word_data(client, LM92_REG_TRIP_LOW + i)
+                 || temp_high != i2c_smbus_read_word_data(client, LM92_REG_TRIP_HIGH + i)
+                 || temp_hyst != i2c_smbus_read_word_data(client, LM92_REG_TRIP_HYSTERESIS + i)
+                 || temp_crit != i2c_smbus_read_word_data(client, LM92_REG_TRIP_CRITICAL + i)
+                 || conf != i2c_smbus_read_byte_data(client, LM92_REG_CONFIGURATION + i))
+                        return 0;
+        }
+        
+        return 1;
+}
+
-static int lm92_init_client (struct i2c_client *client)
-{
@@ -295 +324 @@
-        }
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
-        }
-