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authorJordan Crouse <jordan.crouse@amd.com>2006-03-23 10:19:49 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2006-06-22 14:10:31 -0400
commit43cb7ebee2f478d3f987ad773d4e6b07fc23c631 (patch)
treef862838ccb28af35ba9e1951a26ba9fb4b99b0e3 /drivers
parent52ab3f3dc711eeccbfbcc5d4f5c5d9b9ff59650f (diff)
[PATCH] lm83: Add LM82 support
Add LM82 temperature sensor support (similar to the LM83, but less featureful). Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/hwmon/Kconfig4
-rw-r--r--drivers/hwmon/lm83.c50
2 files changed, 39 insertions, 15 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 99cdc612d2c6..a6a8d66129b3 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -236,11 +236,11 @@ config SENSORS_LM80
236 will be called lm80. 236 will be called lm80.
237 237
238config SENSORS_LM83 238config SENSORS_LM83
239 tristate "National Semiconductor LM83" 239 tristate "National Semiconductor LM83 and compatibles"
240 depends on HWMON && I2C 240 depends on HWMON && I2C
241 help 241 help
242 If you say yes here you get support for National Semiconductor 242 If you say yes here you get support for National Semiconductor
243 LM83 sensor chips. 243 LM82 and LM83 sensor chips.
244 244
245 This driver can also be built as a module. If so, the module 245 This driver can also be built as a module. If so, the module
246 will be called lm83. 246 will be called lm83.
diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c
index aac4ec2bf694..2137d7879df6 100644
--- a/drivers/hwmon/lm83.c
+++ b/drivers/hwmon/lm83.c
@@ -12,6 +12,10 @@
12 * Since the datasheet omits to give the chip stepping code, I give it 12 * Since the datasheet omits to give the chip stepping code, I give it
13 * here: 0x03 (at register 0xff). 13 * here: 0x03 (at register 0xff).
14 * 14 *
15 * Also supports the LM82 temp sensor, which is basically a stripped down
16 * model of the LM83. Datasheet is here:
17 * http://www.national.com/pf/LM/LM82.html
18 *
15 * This program is free software; you can redistribute it and/or modify 19 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by 20 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or 21 * the Free Software Foundation; either version 2 of the License, or
@@ -52,7 +56,7 @@ static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a,
52 * Insmod parameters 56 * Insmod parameters
53 */ 57 */
54 58
55I2C_CLIENT_INSMOD_1(lm83); 59I2C_CLIENT_INSMOD_2(lm83, lm82);
56 60
57/* 61/*
58 * The LM83 registers 62 * The LM83 registers
@@ -283,6 +287,9 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind)
283 if (man_id == 0x01) { /* National Semiconductor */ 287 if (man_id == 0x01) { /* National Semiconductor */
284 if (chip_id == 0x03) { 288 if (chip_id == 0x03) {
285 kind = lm83; 289 kind = lm83;
290 } else
291 if (chip_id == 0x01) {
292 kind = lm82;
286 } 293 }
287 } 294 }
288 295
@@ -296,6 +303,9 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind)
296 303
297 if (kind == lm83) { 304 if (kind == lm83) {
298 name = "lm83"; 305 name = "lm83";
306 } else
307 if (kind == lm82) {
308 name = "lm82";
299 } 309 }
300 310
301 /* We can fill in the remaining client fields */ 311 /* We can fill in the remaining client fields */
@@ -319,32 +329,46 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind)
319 goto exit_detach; 329 goto exit_detach;
320 } 330 }
321 331
332 /*
333 * The LM82 can only monitor one external diode which is
334 * at the same register as the LM83 temp3 entry - so we
335 * declare 1 and 3 common, and then 2 and 4 only for the LM83.
336 */
337
322 device_create_file(&new_client->dev, 338 device_create_file(&new_client->dev,
323 &sensor_dev_attr_temp1_input.dev_attr); 339 &sensor_dev_attr_temp1_input.dev_attr);
324 device_create_file(&new_client->dev, 340 device_create_file(&new_client->dev,
325 &sensor_dev_attr_temp2_input.dev_attr);
326 device_create_file(&new_client->dev,
327 &sensor_dev_attr_temp3_input.dev_attr); 341 &sensor_dev_attr_temp3_input.dev_attr);
328 device_create_file(&new_client->dev, 342
329 &sensor_dev_attr_temp4_input.dev_attr);
330 device_create_file(&new_client->dev, 343 device_create_file(&new_client->dev,
331 &sensor_dev_attr_temp1_max.dev_attr); 344 &sensor_dev_attr_temp1_max.dev_attr);
332 device_create_file(&new_client->dev, 345 device_create_file(&new_client->dev,
333 &sensor_dev_attr_temp2_max.dev_attr);
334 device_create_file(&new_client->dev,
335 &sensor_dev_attr_temp3_max.dev_attr); 346 &sensor_dev_attr_temp3_max.dev_attr);
336 device_create_file(&new_client->dev, 347
337 &sensor_dev_attr_temp4_max.dev_attr);
338 device_create_file(&new_client->dev, 348 device_create_file(&new_client->dev,
339 &sensor_dev_attr_temp1_crit.dev_attr); 349 &sensor_dev_attr_temp1_crit.dev_attr);
340 device_create_file(&new_client->dev, 350 device_create_file(&new_client->dev,
341 &sensor_dev_attr_temp2_crit.dev_attr);
342 device_create_file(&new_client->dev,
343 &sensor_dev_attr_temp3_crit.dev_attr); 351 &sensor_dev_attr_temp3_crit.dev_attr);
344 device_create_file(&new_client->dev, 352
345 &sensor_dev_attr_temp4_crit.dev_attr);
346 device_create_file(&new_client->dev, &dev_attr_alarms); 353 device_create_file(&new_client->dev, &dev_attr_alarms);
347 354
355 if (kind == lm83) {
356 device_create_file(&new_client->dev,
357 &sensor_dev_attr_temp2_input.dev_attr);
358 device_create_file(&new_client->dev,
359 &sensor_dev_attr_temp4_input.dev_attr);
360
361 device_create_file(&new_client->dev,
362 &sensor_dev_attr_temp2_max.dev_attr);
363 device_create_file(&new_client->dev,
364 &sensor_dev_attr_temp4_max.dev_attr);
365
366 device_create_file(&new_client->dev,
367 &sensor_dev_attr_temp2_crit.dev_attr);
368 device_create_file(&new_client->dev,
369 &sensor_dev_attr_temp4_crit.dev_attr);
370 }
371
348 return 0; 372 return 0;
349 373
350exit_detach: 374exit_detach: