blob: 6c53d987de1088dc5f4a199b6a0c44236b220ac4 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 lm85.c - Part of lm_sensors, Linux kernel modules for hardware
3 monitoring
Jean Delvare1f448092008-04-29 14:03:37 +02004 Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
6 Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de>
7 Copyright (c) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
Jean Delvare8a0795d2008-10-17 17:51:14 +02008 Copyright (C) 2007, 2008 Jean Delvare <khali@linux-fr.org>
Linus Torvalds1da177e2005-04-16 15:20:36 -07009
10 Chip details at <http://www.national.com/ds/LM/LM85.pdf>
11
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 2 of the License, or
15 (at your option) any later version.
16
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
21
22 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software
24 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25*/
26
Linus Torvalds1da177e2005-04-16 15:20:36 -070027#include <linux/module.h>
28#include <linux/init.h>
29#include <linux/slab.h>
30#include <linux/jiffies.h>
31#include <linux/i2c.h>
Mark M. Hoffman943b0832005-07-15 21:39:18 -040032#include <linux/hwmon.h>
Jean Delvare303760b2005-07-31 21:52:01 +020033#include <linux/hwmon-vid.h>
Jean Delvareb353a482007-07-05 20:36:12 +020034#include <linux/hwmon-sysfs.h>
Mark M. Hoffman943b0832005-07-15 21:39:18 -040035#include <linux/err.h>
Ingo Molnar9a61bf62006-01-18 23:19:26 +010036#include <linux/mutex.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070037
38/* Addresses to scan */
Mark M. Hoffman25e9c862008-02-17 22:28:03 -050039static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
Linus Torvalds1da177e2005-04-16 15:20:36 -070040
41/* Insmod parameters */
Darrick J. Wong79b92f22008-11-12 13:26:59 -080042I2C_CLIENT_INSMOD_7(lm85b, lm85c, adm1027, adt7463, adt7468, emc6d100,
43 emc6d102);
Linus Torvalds1da177e2005-04-16 15:20:36 -070044
45/* The LM85 registers */
46
47#define LM85_REG_IN(nr) (0x20 + (nr))
48#define LM85_REG_IN_MIN(nr) (0x44 + (nr) * 2)
49#define LM85_REG_IN_MAX(nr) (0x45 + (nr) * 2)
50
51#define LM85_REG_TEMP(nr) (0x25 + (nr))
52#define LM85_REG_TEMP_MIN(nr) (0x4e + (nr) * 2)
53#define LM85_REG_TEMP_MAX(nr) (0x4f + (nr) * 2)
54
55/* Fan speeds are LSB, MSB (2 bytes) */
Jean Delvare1f448092008-04-29 14:03:37 +020056#define LM85_REG_FAN(nr) (0x28 + (nr) * 2)
57#define LM85_REG_FAN_MIN(nr) (0x54 + (nr) * 2)
Linus Torvalds1da177e2005-04-16 15:20:36 -070058
59#define LM85_REG_PWM(nr) (0x30 + (nr))
60
Linus Torvalds1da177e2005-04-16 15:20:36 -070061#define LM85_REG_COMPANY 0x3e
62#define LM85_REG_VERSTEP 0x3f
Darrick J. Wong79b92f22008-11-12 13:26:59 -080063
64#define ADT7468_REG_CFG5 0x7c
65#define ADT7468_OFF64 0x01
66#define IS_ADT7468_OFF64(data) \
67 ((data)->type == adt7468 && !((data)->cfg5 & ADT7468_OFF64))
68
Linus Torvalds1da177e2005-04-16 15:20:36 -070069/* These are the recognized values for the above regs */
Linus Torvalds1da177e2005-04-16 15:20:36 -070070#define LM85_COMPANY_NATIONAL 0x01
71#define LM85_COMPANY_ANALOG_DEV 0x41
Jean Delvare1f448092008-04-29 14:03:37 +020072#define LM85_COMPANY_SMSC 0x5c
Linus Torvalds1da177e2005-04-16 15:20:36 -070073#define LM85_VERSTEP_VMASK 0xf0
74#define LM85_VERSTEP_GENERIC 0x60
Darrick J. Wongc15ade62009-03-10 12:55:47 -070075#define LM85_VERSTEP_GENERIC2 0x70
Linus Torvalds1da177e2005-04-16 15:20:36 -070076#define LM85_VERSTEP_LM85C 0x60
77#define LM85_VERSTEP_LM85B 0x62
Jean Delvare5cfaf332009-09-15 17:18:14 +020078#define LM85_VERSTEP_LM96000_1 0x68
79#define LM85_VERSTEP_LM96000_2 0x69
Linus Torvalds1da177e2005-04-16 15:20:36 -070080#define LM85_VERSTEP_ADM1027 0x60
81#define LM85_VERSTEP_ADT7463 0x62
82#define LM85_VERSTEP_ADT7463C 0x6A
Darrick J. Wong79b92f22008-11-12 13:26:59 -080083#define LM85_VERSTEP_ADT7468_1 0x71
84#define LM85_VERSTEP_ADT7468_2 0x72
Linus Torvalds1da177e2005-04-16 15:20:36 -070085#define LM85_VERSTEP_EMC6D100_A0 0x60
86#define LM85_VERSTEP_EMC6D100_A1 0x61
87#define LM85_VERSTEP_EMC6D102 0x65
88
89#define LM85_REG_CONFIG 0x40
90
91#define LM85_REG_ALARM1 0x41
92#define LM85_REG_ALARM2 0x42
93
94#define LM85_REG_VID 0x43
95
96/* Automated FAN control */
97#define LM85_REG_AFAN_CONFIG(nr) (0x5c + (nr))
98#define LM85_REG_AFAN_RANGE(nr) (0x5f + (nr))
99#define LM85_REG_AFAN_SPIKE1 0x62
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100#define LM85_REG_AFAN_MINPWM(nr) (0x64 + (nr))
101#define LM85_REG_AFAN_LIMIT(nr) (0x67 + (nr))
102#define LM85_REG_AFAN_CRITICAL(nr) (0x6a + (nr))
103#define LM85_REG_AFAN_HYST1 0x6d
104#define LM85_REG_AFAN_HYST2 0x6e
105
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106#define ADM1027_REG_EXTEND_ADC1 0x76
107#define ADM1027_REG_EXTEND_ADC2 0x77
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108
109#define EMC6D100_REG_ALARM3 0x7d
110/* IN5, IN6 and IN7 */
Jean Delvare1f448092008-04-29 14:03:37 +0200111#define EMC6D100_REG_IN(nr) (0x70 + ((nr) - 5))
112#define EMC6D100_REG_IN_MIN(nr) (0x73 + ((nr) - 5) * 2)
113#define EMC6D100_REG_IN_MAX(nr) (0x74 + ((nr) - 5) * 2)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114#define EMC6D102_REG_EXTEND_ADC1 0x85
115#define EMC6D102_REG_EXTEND_ADC2 0x86
116#define EMC6D102_REG_EXTEND_ADC3 0x87
117#define EMC6D102_REG_EXTEND_ADC4 0x88
118
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119
Jean Delvare1f448092008-04-29 14:03:37 +0200120/* Conversions. Rounding and limit checking is only done on the TO_REG
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121 variants. Note that you should be a bit careful with which arguments
122 these macros are called: arguments may be evaluated more than once.
123 */
124
125/* IN are scaled acording to built-in resistors */
Jean Delvaree89e22b2008-06-25 08:47:35 -0400126static const int lm85_scaling[] = { /* .001 Volts */
Jean Delvare1f448092008-04-29 14:03:37 +0200127 2500, 2250, 3300, 5000, 12000,
128 3300, 1500, 1800 /*EMC6D100*/
129};
130#define SCALE(val, from, to) (((val) * (to) + ((from) / 2)) / (from))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131
Jean Delvare1f448092008-04-29 14:03:37 +0200132#define INS_TO_REG(n, val) \
133 SENSORS_LIMIT(SCALE(val, lm85_scaling[n], 192), 0, 255)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700134
Jean Delvare1f448092008-04-29 14:03:37 +0200135#define INSEXT_FROM_REG(n, val, ext) \
Jean Delvare5a4d3ef2007-07-05 20:38:32 +0200136 SCALE(((val) << 4) + (ext), 192 << 4, lm85_scaling[n])
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137
Jean Delvare1f448092008-04-29 14:03:37 +0200138#define INS_FROM_REG(n, val) SCALE((val), 192, lm85_scaling[n])
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139
140/* FAN speed is measured using 90kHz clock */
Jean Delvare63f281a2007-07-05 20:39:40 +0200141static inline u16 FAN_TO_REG(unsigned long val)
142{
143 if (!val)
144 return 0xffff;
145 return SENSORS_LIMIT(5400000 / val, 1, 0xfffe);
146}
Jean Delvare1f448092008-04-29 14:03:37 +0200147#define FAN_FROM_REG(val) ((val) == 0 ? -1 : (val) == 0xffff ? 0 : \
148 5400000 / (val))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149
150/* Temperature is reported in .001 degC increments */
151#define TEMP_TO_REG(val) \
Jean Delvare1f448092008-04-29 14:03:37 +0200152 SENSORS_LIMIT(SCALE(val, 1000, 1), -127, 127)
153#define TEMPEXT_FROM_REG(val, ext) \
Jean Delvare5a4d3ef2007-07-05 20:38:32 +0200154 SCALE(((val) << 4) + (ext), 16, 1000)
155#define TEMP_FROM_REG(val) ((val) * 1000)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156
Jean Delvare1f448092008-04-29 14:03:37 +0200157#define PWM_TO_REG(val) SENSORS_LIMIT(val, 0, 255)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158#define PWM_FROM_REG(val) (val)
159
160
161/* ZONEs have the following parameters:
162 * Limit (low) temp, 1. degC
163 * Hysteresis (below limit), 1. degC (0-15)
164 * Range of speed control, .1 degC (2-80)
165 * Critical (high) temp, 1. degC
166 *
167 * FAN PWMs have the following parameters:
168 * Reference Zone, 1, 2, 3, etc.
169 * Spinup time, .05 sec
170 * PWM value at limit/low temp, 1 count
171 * PWM Frequency, 1. Hz
172 * PWM is Min or OFF below limit, flag
173 * Invert PWM output, flag
174 *
175 * Some chips filter the temp, others the fan.
176 * Filter constant (or disabled) .1 seconds
177 */
178
179/* These are the zone temperature range encodings in .001 degree C */
Jean Delvaree89e22b2008-06-25 08:47:35 -0400180static const int lm85_range_map[] = {
Jean Delvare1f448092008-04-29 14:03:37 +0200181 2000, 2500, 3300, 4000, 5000, 6600, 8000, 10000,
182 13300, 16000, 20000, 26600, 32000, 40000, 53300, 80000
183};
184
185static int RANGE_TO_REG(int range)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186{
187 int i;
188
Jean Delvared38b1492008-04-03 10:40:39 +0200189 /* Find the closest match */
Jean Delvare1b92ada2008-10-17 17:51:14 +0200190 for (i = 0; i < 15; ++i) {
191 if (range <= (lm85_range_map[i] + lm85_range_map[i + 1]) / 2)
192 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193 }
Jean Delvared38b1492008-04-03 10:40:39 +0200194
Jean Delvare1b92ada2008-10-17 17:51:14 +0200195 return i;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700196}
Jean Delvare1f448092008-04-29 14:03:37 +0200197#define RANGE_FROM_REG(val) lm85_range_map[(val) & 0x0f]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700198
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199/* These are the PWM frequency encodings */
Jean Delvare34e7dc62008-10-17 17:51:13 +0200200static const int lm85_freq_map[8] = { /* 1 Hz */
Jean Delvare8a0795d2008-10-17 17:51:14 +0200201 10, 15, 23, 30, 38, 47, 61, 94
202};
203static const int adm1027_freq_map[8] = { /* 1 Hz */
204 11, 15, 22, 29, 35, 44, 59, 88
Jean Delvare1f448092008-04-29 14:03:37 +0200205};
206
Jean Delvare8a0795d2008-10-17 17:51:14 +0200207static int FREQ_TO_REG(const int *map, int freq)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700208{
209 int i;
210
Jean Delvare86010c92008-10-17 17:51:13 +0200211 /* Find the closest match */
Jean Delvare1f448092008-04-29 14:03:37 +0200212 for (i = 0; i < 7; ++i)
Jean Delvare8a0795d2008-10-17 17:51:14 +0200213 if (freq <= (map[i] + map[i + 1]) / 2)
Jean Delvare1f448092008-04-29 14:03:37 +0200214 break;
Jean Delvaree89e22b2008-06-25 08:47:35 -0400215 return i;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700216}
Jean Delvare8a0795d2008-10-17 17:51:14 +0200217
218static int FREQ_FROM_REG(const int *map, u8 reg)
219{
220 return map[reg & 0x07];
221}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700222
223/* Since we can't use strings, I'm abusing these numbers
224 * to stand in for the following meanings:
225 * 1 -- PWM responds to Zone 1
226 * 2 -- PWM responds to Zone 2
227 * 3 -- PWM responds to Zone 3
228 * 23 -- PWM responds to the higher temp of Zone 2 or 3
229 * 123 -- PWM responds to highest of Zone 1, 2, or 3
230 * 0 -- PWM is always at 0% (ie, off)
231 * -1 -- PWM is always at 100%
232 * -2 -- PWM responds to manual control
233 */
234
Jean Delvaree89e22b2008-06-25 08:47:35 -0400235static const int lm85_zone_map[] = { 1, 2, 3, -1, 0, 23, 123, -2 };
236#define ZONE_FROM_REG(val) lm85_zone_map[(val) >> 5]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700237
Jean Delvare1f448092008-04-29 14:03:37 +0200238static int ZONE_TO_REG(int zone)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700239{
240 int i;
241
Jean Delvare1f448092008-04-29 14:03:37 +0200242 for (i = 0; i <= 7; ++i)
243 if (zone == lm85_zone_map[i])
244 break;
245 if (i > 7) /* Not found. */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700246 i = 3; /* Always 100% */
Jean Delvaree89e22b2008-06-25 08:47:35 -0400247 return i << 5;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700248}
249
Jean Delvare1f448092008-04-29 14:03:37 +0200250#define HYST_TO_REG(val) SENSORS_LIMIT(((val) + 500) / 1000, 0, 15)
251#define HYST_FROM_REG(val) ((val) * 1000)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700252
Linus Torvalds1da177e2005-04-16 15:20:36 -0700253/* Chip sampling rates
254 *
255 * Some sensors are not updated more frequently than once per second
256 * so it doesn't make sense to read them more often than that.
257 * We cache the results and return the saved data if the driver
258 * is called again before a second has elapsed.
259 *
260 * Also, there is significant configuration data for this chip
261 * given the automatic PWM fan control that is possible. There
262 * are about 47 bytes of config data to only 22 bytes of actual
263 * readings. So, we keep the config data up to date in the cache
264 * when it is written and only sample it once every 1 *minute*
265 */
266#define LM85_DATA_INTERVAL (HZ + HZ / 2)
267#define LM85_CONFIG_INTERVAL (1 * 60 * HZ)
268
Linus Torvalds1da177e2005-04-16 15:20:36 -0700269/* LM85 can automatically adjust fan speeds based on temperature
270 * This structure encapsulates an entire Zone config. There are
271 * three zones (one for each temperature input) on the lm85
272 */
273struct lm85_zone {
274 s8 limit; /* Low temp limit */
275 u8 hyst; /* Low limit hysteresis. (0-15) */
276 u8 range; /* Temp range, encoded */
277 s8 critical; /* "All fans ON" temp limit */
Jean Delvare1f448092008-04-29 14:03:37 +0200278 u8 off_desired; /* Actual "off" temperature specified. Preserved
Linus Torvalds1da177e2005-04-16 15:20:36 -0700279 * to prevent "drift" as other autofan control
280 * values change.
281 */
Jean Delvare1f448092008-04-29 14:03:37 +0200282 u8 max_desired; /* Actual "max" temperature specified. Preserved
Linus Torvalds1da177e2005-04-16 15:20:36 -0700283 * to prevent "drift" as other autofan control
284 * values change.
285 */
286};
287
288struct lm85_autofan {
289 u8 config; /* Register value */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700290 u8 min_pwm; /* Minimum PWM value, encoded */
291 u8 min_off; /* Min PWM or OFF below "limit", flag */
292};
293
Jean Delvareed6bafb2007-02-14 21:15:03 +0100294/* For each registered chip, we need to keep some data in memory.
295 The structure is dynamically allocated. */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700296struct lm85_data {
Tony Jones1beeffe2007-08-20 13:46:20 -0700297 struct device *hwmon_dev;
Jean Delvare8a0795d2008-10-17 17:51:14 +0200298 const int *freq_map;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700299 enum chips type;
300
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100301 struct mutex update_lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700302 int valid; /* !=0 if following fields are valid */
303 unsigned long last_reading; /* In jiffies */
304 unsigned long last_config; /* In jiffies */
305
306 u8 in[8]; /* Register value */
307 u8 in_max[8]; /* Register value */
308 u8 in_min[8]; /* Register value */
309 s8 temp[3]; /* Register value */
310 s8 temp_min[3]; /* Register value */
311 s8 temp_max[3]; /* Register value */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700312 u16 fan[4]; /* Register value */
313 u16 fan_min[4]; /* Register value */
314 u8 pwm[3]; /* Register value */
Jean Delvare34e7dc62008-10-17 17:51:13 +0200315 u8 pwm_freq[3]; /* Register encoding */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700316 u8 temp_ext[3]; /* Decoded values */
317 u8 in_ext[8]; /* Decoded values */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700318 u8 vid; /* Register value */
319 u8 vrm; /* VRM version */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700320 u32 alarms; /* Register encoding, combined */
Darrick J. Wong79b92f22008-11-12 13:26:59 -0800321 u8 cfg5; /* Config Register 5 on ADT7468 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700322 struct lm85_autofan autofan[3];
323 struct lm85_zone zone[3];
324};
325
Jean Delvare67712d02008-10-17 17:51:14 +0200326static int lm85_detect(struct i2c_client *client, int kind,
327 struct i2c_board_info *info);
328static int lm85_probe(struct i2c_client *client,
329 const struct i2c_device_id *id);
330static int lm85_remove(struct i2c_client *client);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700331
Darren Jenkinsf6c27fc2006-02-27 23:14:58 +0100332static int lm85_read_value(struct i2c_client *client, u8 reg);
Jean Delvaree89e22b2008-06-25 08:47:35 -0400333static void lm85_write_value(struct i2c_client *client, u8 reg, int value);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700334static struct lm85_data *lm85_update_device(struct device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700335
336
Jean Delvare67712d02008-10-17 17:51:14 +0200337static const struct i2c_device_id lm85_id[] = {
338 { "adm1027", adm1027 },
339 { "adt7463", adt7463 },
Darrick J. Wongc15ade62009-03-10 12:55:47 -0700340 { "adt7468", adt7468 },
Jean Delvare67712d02008-10-17 17:51:14 +0200341 { "lm85", any_chip },
342 { "lm85b", lm85b },
343 { "lm85c", lm85c },
344 { "emc6d100", emc6d100 },
345 { "emc6d101", emc6d100 },
346 { "emc6d102", emc6d102 },
347 { }
348};
349MODULE_DEVICE_TABLE(i2c, lm85_id);
350
Linus Torvalds1da177e2005-04-16 15:20:36 -0700351static struct i2c_driver lm85_driver = {
Jean Delvare67712d02008-10-17 17:51:14 +0200352 .class = I2C_CLASS_HWMON,
Laurent Riffardcdaf7932005-11-26 20:37:41 +0100353 .driver = {
Laurent Riffardcdaf7932005-11-26 20:37:41 +0100354 .name = "lm85",
355 },
Jean Delvare67712d02008-10-17 17:51:14 +0200356 .probe = lm85_probe,
357 .remove = lm85_remove,
358 .id_table = lm85_id,
359 .detect = lm85_detect,
360 .address_data = &addr_data,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700361};
362
363
364/* 4 Fans */
Jean Delvareb353a482007-07-05 20:36:12 +0200365static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
366 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700367{
Jean Delvareb353a482007-07-05 20:36:12 +0200368 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700369 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200370 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700371}
Jean Delvareb353a482007-07-05 20:36:12 +0200372
373static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
374 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700375{
Jean Delvareb353a482007-07-05 20:36:12 +0200376 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700377 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200378 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700379}
Jean Delvareb353a482007-07-05 20:36:12 +0200380
381static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
382 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700383{
Jean Delvareb353a482007-07-05 20:36:12 +0200384 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700385 struct i2c_client *client = to_i2c_client(dev);
386 struct lm85_data *data = i2c_get_clientdata(client);
Jean Delvare63f281a2007-07-05 20:39:40 +0200387 unsigned long val = simple_strtoul(buf, NULL, 10);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700388
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100389 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700390 data->fan_min[nr] = FAN_TO_REG(val);
391 lm85_write_value(client, LM85_REG_FAN_MIN(nr), data->fan_min[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100392 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700393 return count;
394}
395
396#define show_fan_offset(offset) \
Jean Delvareb353a482007-07-05 20:36:12 +0200397static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
398 show_fan, NULL, offset - 1); \
399static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
400 show_fan_min, set_fan_min, offset - 1)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700401
402show_fan_offset(1);
403show_fan_offset(2);
404show_fan_offset(3);
405show_fan_offset(4);
406
407/* vid, vrm, alarms */
408
Jean Delvare1f448092008-04-29 14:03:37 +0200409static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr,
410 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700411{
412 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare9c516ef2005-11-26 20:07:54 +0100413 int vid;
414
Darrick J. Wong8ef1f022009-03-10 12:55:48 -0700415 if ((data->type == adt7463 || data->type == adt7468) &&
416 (data->vid & 0x80)) {
Jean Delvare9c516ef2005-11-26 20:07:54 +0100417 /* 6-pin VID (VRM 10) */
418 vid = vid_from_reg(data->vid & 0x3f, data->vrm);
419 } else {
420 /* 5-pin VID (VRM 9) */
421 vid = vid_from_reg(data->vid & 0x1f, data->vrm);
422 }
423
424 return sprintf(buf, "%d\n", vid);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700425}
426
427static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
428
Jean Delvare1f448092008-04-29 14:03:37 +0200429static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr,
430 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700431{
Jean Delvare90d66192007-10-08 18:24:35 +0200432 struct lm85_data *data = dev_get_drvdata(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700433 return sprintf(buf, "%ld\n", (long) data->vrm);
434}
435
Jean Delvare1f448092008-04-29 14:03:37 +0200436static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
437 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700438{
Jean Delvare8f74efe2007-12-01 11:25:33 +0100439 struct lm85_data *data = dev_get_drvdata(dev);
440 data->vrm = simple_strtoul(buf, NULL, 10);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700441 return count;
442}
443
444static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
445
Jean Delvare1f448092008-04-29 14:03:37 +0200446static ssize_t show_alarms_reg(struct device *dev, struct device_attribute
447 *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700448{
449 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare68188ba2005-05-16 18:52:38 +0200450 return sprintf(buf, "%u\n", data->alarms);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700451}
452
453static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
454
Jean Delvarebf76e9d2007-07-05 20:37:58 +0200455static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
456 char *buf)
457{
458 int nr = to_sensor_dev_attr(attr)->index;
459 struct lm85_data *data = lm85_update_device(dev);
460 return sprintf(buf, "%u\n", (data->alarms >> nr) & 1);
461}
462
463static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
464static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
465static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
466static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
467static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
468static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 18);
469static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 16);
470static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 17);
471static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
472static SENSOR_DEVICE_ATTR(temp1_fault, S_IRUGO, show_alarm, NULL, 14);
473static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
474static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 6);
475static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 15);
476static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 10);
477static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 11);
478static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 12);
479static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 13);
480
Linus Torvalds1da177e2005-04-16 15:20:36 -0700481/* pwm */
482
Jean Delvareb353a482007-07-05 20:36:12 +0200483static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
484 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700485{
Jean Delvareb353a482007-07-05 20:36:12 +0200486 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700487 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200488 return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700489}
Jean Delvareb353a482007-07-05 20:36:12 +0200490
491static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
492 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700493{
Jean Delvareb353a482007-07-05 20:36:12 +0200494 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700495 struct i2c_client *client = to_i2c_client(dev);
496 struct lm85_data *data = i2c_get_clientdata(client);
497 long val = simple_strtol(buf, NULL, 10);
498
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100499 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700500 data->pwm[nr] = PWM_TO_REG(val);
501 lm85_write_value(client, LM85_REG_PWM(nr), data->pwm[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100502 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700503 return count;
504}
Jean Delvareb353a482007-07-05 20:36:12 +0200505
506static ssize_t show_pwm_enable(struct device *dev, struct device_attribute
507 *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700508{
Jean Delvareb353a482007-07-05 20:36:12 +0200509 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700510 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare4b4df952007-12-03 23:23:21 +0100511 int pwm_zone, enable;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700512
513 pwm_zone = ZONE_FROM_REG(data->autofan[nr].config);
Jean Delvare4b4df952007-12-03 23:23:21 +0100514 switch (pwm_zone) {
515 case -1: /* PWM is always at 100% */
516 enable = 0;
517 break;
518 case 0: /* PWM is always at 0% */
519 case -2: /* PWM responds to manual control */
520 enable = 1;
521 break;
522 default: /* PWM in automatic mode */
523 enable = 2;
524 }
525 return sprintf(buf, "%d\n", enable);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700526}
527
Jean Delvare455f7912007-12-03 23:28:42 +0100528static ssize_t set_pwm_enable(struct device *dev, struct device_attribute
529 *attr, const char *buf, size_t count)
530{
531 int nr = to_sensor_dev_attr(attr)->index;
532 struct i2c_client *client = to_i2c_client(dev);
533 struct lm85_data *data = i2c_get_clientdata(client);
534 long val = simple_strtol(buf, NULL, 10);
535 u8 config;
536
537 switch (val) {
538 case 0:
539 config = 3;
540 break;
541 case 1:
542 config = 7;
543 break;
544 case 2:
545 /* Here we have to choose arbitrarily one of the 5 possible
546 configurations; I go for the safest */
547 config = 6;
548 break;
549 default:
550 return -EINVAL;
551 }
552
553 mutex_lock(&data->update_lock);
554 data->autofan[nr].config = lm85_read_value(client,
555 LM85_REG_AFAN_CONFIG(nr));
556 data->autofan[nr].config = (data->autofan[nr].config & ~0xe0)
557 | (config << 5);
558 lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr),
559 data->autofan[nr].config);
560 mutex_unlock(&data->update_lock);
561 return count;
562}
563
Jean Delvare34e7dc62008-10-17 17:51:13 +0200564static ssize_t show_pwm_freq(struct device *dev,
565 struct device_attribute *attr, char *buf)
566{
567 int nr = to_sensor_dev_attr(attr)->index;
568 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare8a0795d2008-10-17 17:51:14 +0200569 return sprintf(buf, "%d\n", FREQ_FROM_REG(data->freq_map,
570 data->pwm_freq[nr]));
Jean Delvare34e7dc62008-10-17 17:51:13 +0200571}
572
573static ssize_t set_pwm_freq(struct device *dev,
574 struct device_attribute *attr, const char *buf, size_t count)
575{
576 int nr = to_sensor_dev_attr(attr)->index;
577 struct i2c_client *client = to_i2c_client(dev);
578 struct lm85_data *data = i2c_get_clientdata(client);
579 long val = simple_strtol(buf, NULL, 10);
580
581 mutex_lock(&data->update_lock);
Jean Delvare8a0795d2008-10-17 17:51:14 +0200582 data->pwm_freq[nr] = FREQ_TO_REG(data->freq_map, val);
Jean Delvare34e7dc62008-10-17 17:51:13 +0200583 lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
584 (data->zone[nr].range << 4)
585 | data->pwm_freq[nr]);
586 mutex_unlock(&data->update_lock);
587 return count;
588}
589
Linus Torvalds1da177e2005-04-16 15:20:36 -0700590#define show_pwm_reg(offset) \
Jean Delvareb353a482007-07-05 20:36:12 +0200591static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \
592 show_pwm, set_pwm, offset - 1); \
Jean Delvare455f7912007-12-03 23:28:42 +0100593static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \
Jean Delvare34e7dc62008-10-17 17:51:13 +0200594 show_pwm_enable, set_pwm_enable, offset - 1); \
595static SENSOR_DEVICE_ATTR(pwm##offset##_freq, S_IRUGO | S_IWUSR, \
596 show_pwm_freq, set_pwm_freq, offset - 1)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700597
598show_pwm_reg(1);
599show_pwm_reg(2);
600show_pwm_reg(3);
601
602/* Voltages */
603
Jean Delvareb353a482007-07-05 20:36:12 +0200604static ssize_t show_in(struct device *dev, struct device_attribute *attr,
605 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700606{
Jean Delvareb353a482007-07-05 20:36:12 +0200607 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700608 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200609 return sprintf(buf, "%d\n", INSEXT_FROM_REG(nr, data->in[nr],
610 data->in_ext[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700611}
Jean Delvareb353a482007-07-05 20:36:12 +0200612
Jean Delvare1f448092008-04-29 14:03:37 +0200613static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
Jean Delvareb353a482007-07-05 20:36:12 +0200614 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700615{
Jean Delvareb353a482007-07-05 20:36:12 +0200616 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700617 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200618 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_min[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700619}
Jean Delvareb353a482007-07-05 20:36:12 +0200620
621static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
622 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700623{
Jean Delvareb353a482007-07-05 20:36:12 +0200624 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700625 struct i2c_client *client = to_i2c_client(dev);
626 struct lm85_data *data = i2c_get_clientdata(client);
627 long val = simple_strtol(buf, NULL, 10);
628
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100629 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700630 data->in_min[nr] = INS_TO_REG(nr, val);
631 lm85_write_value(client, LM85_REG_IN_MIN(nr), data->in_min[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100632 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700633 return count;
634}
Jean Delvareb353a482007-07-05 20:36:12 +0200635
636static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
637 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700638{
Jean Delvareb353a482007-07-05 20:36:12 +0200639 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700640 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200641 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_max[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700642}
Jean Delvareb353a482007-07-05 20:36:12 +0200643
644static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
645 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700646{
Jean Delvareb353a482007-07-05 20:36:12 +0200647 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700648 struct i2c_client *client = to_i2c_client(dev);
649 struct lm85_data *data = i2c_get_clientdata(client);
650 long val = simple_strtol(buf, NULL, 10);
651
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100652 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700653 data->in_max[nr] = INS_TO_REG(nr, val);
654 lm85_write_value(client, LM85_REG_IN_MAX(nr), data->in_max[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100655 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700656 return count;
657}
Jean Delvareb353a482007-07-05 20:36:12 +0200658
Linus Torvalds1da177e2005-04-16 15:20:36 -0700659#define show_in_reg(offset) \
Jean Delvareb353a482007-07-05 20:36:12 +0200660static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
661 show_in, NULL, offset); \
662static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
663 show_in_min, set_in_min, offset); \
664static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
665 show_in_max, set_in_max, offset)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700666
667show_in_reg(0);
668show_in_reg(1);
669show_in_reg(2);
670show_in_reg(3);
671show_in_reg(4);
Jean Delvare6b9aad22007-07-05 20:37:21 +0200672show_in_reg(5);
673show_in_reg(6);
674show_in_reg(7);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700675
676/* Temps */
677
Jean Delvareb353a482007-07-05 20:36:12 +0200678static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
679 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700680{
Jean Delvareb353a482007-07-05 20:36:12 +0200681 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700682 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200683 return sprintf(buf, "%d\n", TEMPEXT_FROM_REG(data->temp[nr],
684 data->temp_ext[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700685}
Jean Delvareb353a482007-07-05 20:36:12 +0200686
687static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
688 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700689{
Jean Delvareb353a482007-07-05 20:36:12 +0200690 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700691 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200692 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700693}
Jean Delvareb353a482007-07-05 20:36:12 +0200694
695static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
696 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700697{
Jean Delvareb353a482007-07-05 20:36:12 +0200698 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700699 struct i2c_client *client = to_i2c_client(dev);
700 struct lm85_data *data = i2c_get_clientdata(client);
701 long val = simple_strtol(buf, NULL, 10);
702
Darrick J. Wong79b92f22008-11-12 13:26:59 -0800703 if (IS_ADT7468_OFF64(data))
704 val += 64;
705
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100706 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700707 data->temp_min[nr] = TEMP_TO_REG(val);
708 lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100709 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700710 return count;
711}
Jean Delvareb353a482007-07-05 20:36:12 +0200712
713static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
714 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700715{
Jean Delvareb353a482007-07-05 20:36:12 +0200716 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700717 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200718 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700719}
Jean Delvareb353a482007-07-05 20:36:12 +0200720
721static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
722 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700723{
Jean Delvareb353a482007-07-05 20:36:12 +0200724 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700725 struct i2c_client *client = to_i2c_client(dev);
726 struct lm85_data *data = i2c_get_clientdata(client);
Jean Delvare1f448092008-04-29 14:03:37 +0200727 long val = simple_strtol(buf, NULL, 10);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700728
Darrick J. Wong79b92f22008-11-12 13:26:59 -0800729 if (IS_ADT7468_OFF64(data))
730 val += 64;
731
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100732 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700733 data->temp_max[nr] = TEMP_TO_REG(val);
734 lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100735 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700736 return count;
737}
Jean Delvareb353a482007-07-05 20:36:12 +0200738
Linus Torvalds1da177e2005-04-16 15:20:36 -0700739#define show_temp_reg(offset) \
Jean Delvareb353a482007-07-05 20:36:12 +0200740static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
741 show_temp, NULL, offset - 1); \
742static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
743 show_temp_min, set_temp_min, offset - 1); \
744static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
745 show_temp_max, set_temp_max, offset - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700746
747show_temp_reg(1);
748show_temp_reg(2);
749show_temp_reg(3);
750
751
752/* Automatic PWM control */
753
Jean Delvareb353a482007-07-05 20:36:12 +0200754static ssize_t show_pwm_auto_channels(struct device *dev,
755 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700756{
Jean Delvareb353a482007-07-05 20:36:12 +0200757 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700758 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200759 return sprintf(buf, "%d\n", ZONE_FROM_REG(data->autofan[nr].config));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700760}
Jean Delvareb353a482007-07-05 20:36:12 +0200761
762static ssize_t set_pwm_auto_channels(struct device *dev,
763 struct device_attribute *attr, const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700764{
Jean Delvareb353a482007-07-05 20:36:12 +0200765 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700766 struct i2c_client *client = to_i2c_client(dev);
767 struct lm85_data *data = i2c_get_clientdata(client);
Jean Delvare1f448092008-04-29 14:03:37 +0200768 long val = simple_strtol(buf, NULL, 10);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700769
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100770 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700771 data->autofan[nr].config = (data->autofan[nr].config & (~0xe0))
Jean Delvare1f448092008-04-29 14:03:37 +0200772 | ZONE_TO_REG(val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700773 lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr),
774 data->autofan[nr].config);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100775 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700776 return count;
777}
Jean Delvareb353a482007-07-05 20:36:12 +0200778
779static ssize_t show_pwm_auto_pwm_min(struct device *dev,
780 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700781{
Jean Delvareb353a482007-07-05 20:36:12 +0200782 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700783 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200784 return sprintf(buf, "%d\n", PWM_FROM_REG(data->autofan[nr].min_pwm));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700785}
Jean Delvareb353a482007-07-05 20:36:12 +0200786
787static ssize_t set_pwm_auto_pwm_min(struct device *dev,
788 struct device_attribute *attr, const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700789{
Jean Delvareb353a482007-07-05 20:36:12 +0200790 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700791 struct i2c_client *client = to_i2c_client(dev);
792 struct lm85_data *data = i2c_get_clientdata(client);
793 long val = simple_strtol(buf, NULL, 10);
794
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100795 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700796 data->autofan[nr].min_pwm = PWM_TO_REG(val);
797 lm85_write_value(client, LM85_REG_AFAN_MINPWM(nr),
798 data->autofan[nr].min_pwm);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100799 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700800 return count;
801}
Jean Delvareb353a482007-07-05 20:36:12 +0200802
803static ssize_t show_pwm_auto_pwm_minctl(struct device *dev,
804 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700805{
Jean Delvareb353a482007-07-05 20:36:12 +0200806 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700807 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200808 return sprintf(buf, "%d\n", data->autofan[nr].min_off);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700809}
Jean Delvareb353a482007-07-05 20:36:12 +0200810
811static ssize_t set_pwm_auto_pwm_minctl(struct device *dev,
812 struct device_attribute *attr, const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700813{
Jean Delvareb353a482007-07-05 20:36:12 +0200814 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700815 struct i2c_client *client = to_i2c_client(dev);
816 struct lm85_data *data = i2c_get_clientdata(client);
817 long val = simple_strtol(buf, NULL, 10);
Jean Delvare7133e562008-04-12 19:56:35 +0200818 u8 tmp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700819
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100820 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700821 data->autofan[nr].min_off = val;
Jean Delvare7133e562008-04-12 19:56:35 +0200822 tmp = lm85_read_value(client, LM85_REG_AFAN_SPIKE1);
823 tmp &= ~(0x20 << nr);
824 if (data->autofan[nr].min_off)
825 tmp |= 0x20 << nr;
826 lm85_write_value(client, LM85_REG_AFAN_SPIKE1, tmp);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100827 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700828 return count;
829}
Jean Delvareb353a482007-07-05 20:36:12 +0200830
Linus Torvalds1da177e2005-04-16 15:20:36 -0700831#define pwm_auto(offset) \
Jean Delvareb353a482007-07-05 20:36:12 +0200832static SENSOR_DEVICE_ATTR(pwm##offset##_auto_channels, \
833 S_IRUGO | S_IWUSR, show_pwm_auto_channels, \
834 set_pwm_auto_channels, offset - 1); \
835static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_min, \
836 S_IRUGO | S_IWUSR, show_pwm_auto_pwm_min, \
837 set_pwm_auto_pwm_min, offset - 1); \
838static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_minctl, \
839 S_IRUGO | S_IWUSR, show_pwm_auto_pwm_minctl, \
Jean Delvare34e7dc62008-10-17 17:51:13 +0200840 set_pwm_auto_pwm_minctl, offset - 1)
Jean Delvareb353a482007-07-05 20:36:12 +0200841
Linus Torvalds1da177e2005-04-16 15:20:36 -0700842pwm_auto(1);
843pwm_auto(2);
844pwm_auto(3);
845
846/* Temperature settings for automatic PWM control */
847
Jean Delvareb353a482007-07-05 20:36:12 +0200848static ssize_t show_temp_auto_temp_off(struct device *dev,
849 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700850{
Jean Delvareb353a482007-07-05 20:36:12 +0200851 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700852 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200853 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].limit) -
Linus Torvalds1da177e2005-04-16 15:20:36 -0700854 HYST_FROM_REG(data->zone[nr].hyst));
855}
Jean Delvareb353a482007-07-05 20:36:12 +0200856
857static ssize_t set_temp_auto_temp_off(struct device *dev,
858 struct device_attribute *attr, const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700859{
Jean Delvareb353a482007-07-05 20:36:12 +0200860 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700861 struct i2c_client *client = to_i2c_client(dev);
862 struct lm85_data *data = i2c_get_clientdata(client);
863 int min;
864 long val = simple_strtol(buf, NULL, 10);
865
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100866 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700867 min = TEMP_FROM_REG(data->zone[nr].limit);
868 data->zone[nr].off_desired = TEMP_TO_REG(val);
869 data->zone[nr].hyst = HYST_TO_REG(min - val);
Jean Delvare1f448092008-04-29 14:03:37 +0200870 if (nr == 0 || nr == 1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700871 lm85_write_value(client, LM85_REG_AFAN_HYST1,
872 (data->zone[0].hyst << 4)
Jean Delvare1f448092008-04-29 14:03:37 +0200873 | data->zone[1].hyst);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700874 } else {
875 lm85_write_value(client, LM85_REG_AFAN_HYST2,
Jean Delvare1f448092008-04-29 14:03:37 +0200876 (data->zone[2].hyst << 4));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700877 }
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100878 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700879 return count;
880}
Jean Delvareb353a482007-07-05 20:36:12 +0200881
882static ssize_t show_temp_auto_temp_min(struct device *dev,
883 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700884{
Jean Delvareb353a482007-07-05 20:36:12 +0200885 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700886 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200887 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].limit));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700888}
Jean Delvareb353a482007-07-05 20:36:12 +0200889
890static ssize_t set_temp_auto_temp_min(struct device *dev,
891 struct device_attribute *attr, const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700892{
Jean Delvareb353a482007-07-05 20:36:12 +0200893 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700894 struct i2c_client *client = to_i2c_client(dev);
895 struct lm85_data *data = i2c_get_clientdata(client);
896 long val = simple_strtol(buf, NULL, 10);
897
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100898 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700899 data->zone[nr].limit = TEMP_TO_REG(val);
900 lm85_write_value(client, LM85_REG_AFAN_LIMIT(nr),
901 data->zone[nr].limit);
902
903/* Update temp_auto_max and temp_auto_range */
904 data->zone[nr].range = RANGE_TO_REG(
905 TEMP_FROM_REG(data->zone[nr].max_desired) -
906 TEMP_FROM_REG(data->zone[nr].limit));
907 lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
908 ((data->zone[nr].range & 0x0f) << 4)
Jean Delvare34e7dc62008-10-17 17:51:13 +0200909 | (data->pwm_freq[nr] & 0x07));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700910
911/* Update temp_auto_hyst and temp_auto_off */
912 data->zone[nr].hyst = HYST_TO_REG(TEMP_FROM_REG(
913 data->zone[nr].limit) - TEMP_FROM_REG(
914 data->zone[nr].off_desired));
Jean Delvare1f448092008-04-29 14:03:37 +0200915 if (nr == 0 || nr == 1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700916 lm85_write_value(client, LM85_REG_AFAN_HYST1,
917 (data->zone[0].hyst << 4)
Jean Delvare1f448092008-04-29 14:03:37 +0200918 | data->zone[1].hyst);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700919 } else {
920 lm85_write_value(client, LM85_REG_AFAN_HYST2,
Jean Delvare1f448092008-04-29 14:03:37 +0200921 (data->zone[2].hyst << 4));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700922 }
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100923 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700924 return count;
925}
Jean Delvareb353a482007-07-05 20:36:12 +0200926
927static ssize_t show_temp_auto_temp_max(struct device *dev,
928 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700929{
Jean Delvareb353a482007-07-05 20:36:12 +0200930 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700931 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200932 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].limit) +
Linus Torvalds1da177e2005-04-16 15:20:36 -0700933 RANGE_FROM_REG(data->zone[nr].range));
934}
Jean Delvareb353a482007-07-05 20:36:12 +0200935
936static ssize_t set_temp_auto_temp_max(struct device *dev,
937 struct device_attribute *attr, const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700938{
Jean Delvareb353a482007-07-05 20:36:12 +0200939 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700940 struct i2c_client *client = to_i2c_client(dev);
941 struct lm85_data *data = i2c_get_clientdata(client);
942 int min;
943 long val = simple_strtol(buf, NULL, 10);
944
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100945 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700946 min = TEMP_FROM_REG(data->zone[nr].limit);
947 data->zone[nr].max_desired = TEMP_TO_REG(val);
948 data->zone[nr].range = RANGE_TO_REG(
949 val - min);
950 lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
951 ((data->zone[nr].range & 0x0f) << 4)
Jean Delvare34e7dc62008-10-17 17:51:13 +0200952 | (data->pwm_freq[nr] & 0x07));
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100953 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700954 return count;
955}
Jean Delvareb353a482007-07-05 20:36:12 +0200956
957static ssize_t show_temp_auto_temp_crit(struct device *dev,
958 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700959{
Jean Delvareb353a482007-07-05 20:36:12 +0200960 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700961 struct lm85_data *data = lm85_update_device(dev);
Jean Delvare1f448092008-04-29 14:03:37 +0200962 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].critical));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700963}
Jean Delvareb353a482007-07-05 20:36:12 +0200964
965static ssize_t set_temp_auto_temp_crit(struct device *dev,
Jean Delvare1f448092008-04-29 14:03:37 +0200966 struct device_attribute *attr, const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700967{
Jean Delvareb353a482007-07-05 20:36:12 +0200968 int nr = to_sensor_dev_attr(attr)->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700969 struct i2c_client *client = to_i2c_client(dev);
970 struct lm85_data *data = i2c_get_clientdata(client);
971 long val = simple_strtol(buf, NULL, 10);
972
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100973 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700974 data->zone[nr].critical = TEMP_TO_REG(val);
975 lm85_write_value(client, LM85_REG_AFAN_CRITICAL(nr),
976 data->zone[nr].critical);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100977 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700978 return count;
979}
Jean Delvareb353a482007-07-05 20:36:12 +0200980
Linus Torvalds1da177e2005-04-16 15:20:36 -0700981#define temp_auto(offset) \
Jean Delvareb353a482007-07-05 20:36:12 +0200982static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_off, \
983 S_IRUGO | S_IWUSR, show_temp_auto_temp_off, \
984 set_temp_auto_temp_off, offset - 1); \
985static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_min, \
986 S_IRUGO | S_IWUSR, show_temp_auto_temp_min, \
987 set_temp_auto_temp_min, offset - 1); \
988static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_max, \
989 S_IRUGO | S_IWUSR, show_temp_auto_temp_max, \
990 set_temp_auto_temp_max, offset - 1); \
991static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_crit, \
992 S_IRUGO | S_IWUSR, show_temp_auto_temp_crit, \
993 set_temp_auto_temp_crit, offset - 1);
994
Linus Torvalds1da177e2005-04-16 15:20:36 -0700995temp_auto(1);
996temp_auto(2);
997temp_auto(3);
998
Mark M. Hoffman0501a382006-09-24 21:14:35 +0200999static struct attribute *lm85_attributes[] = {
Jean Delvareb353a482007-07-05 20:36:12 +02001000 &sensor_dev_attr_fan1_input.dev_attr.attr,
1001 &sensor_dev_attr_fan2_input.dev_attr.attr,
1002 &sensor_dev_attr_fan3_input.dev_attr.attr,
1003 &sensor_dev_attr_fan4_input.dev_attr.attr,
1004 &sensor_dev_attr_fan1_min.dev_attr.attr,
1005 &sensor_dev_attr_fan2_min.dev_attr.attr,
1006 &sensor_dev_attr_fan3_min.dev_attr.attr,
1007 &sensor_dev_attr_fan4_min.dev_attr.attr,
Jean Delvarebf76e9d2007-07-05 20:37:58 +02001008 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
1009 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
1010 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
1011 &sensor_dev_attr_fan4_alarm.dev_attr.attr,
Jean Delvareb353a482007-07-05 20:36:12 +02001012
1013 &sensor_dev_attr_pwm1.dev_attr.attr,
1014 &sensor_dev_attr_pwm2.dev_attr.attr,
1015 &sensor_dev_attr_pwm3.dev_attr.attr,
1016 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1017 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1018 &sensor_dev_attr_pwm3_enable.dev_attr.attr,
Jean Delvare34e7dc62008-10-17 17:51:13 +02001019 &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1020 &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1021 &sensor_dev_attr_pwm3_freq.dev_attr.attr,
Jean Delvareb353a482007-07-05 20:36:12 +02001022
1023 &sensor_dev_attr_in0_input.dev_attr.attr,
1024 &sensor_dev_attr_in1_input.dev_attr.attr,
1025 &sensor_dev_attr_in2_input.dev_attr.attr,
1026 &sensor_dev_attr_in3_input.dev_attr.attr,
1027 &sensor_dev_attr_in0_min.dev_attr.attr,
1028 &sensor_dev_attr_in1_min.dev_attr.attr,
1029 &sensor_dev_attr_in2_min.dev_attr.attr,
1030 &sensor_dev_attr_in3_min.dev_attr.attr,
1031 &sensor_dev_attr_in0_max.dev_attr.attr,
1032 &sensor_dev_attr_in1_max.dev_attr.attr,
1033 &sensor_dev_attr_in2_max.dev_attr.attr,
1034 &sensor_dev_attr_in3_max.dev_attr.attr,
Jean Delvarebf76e9d2007-07-05 20:37:58 +02001035 &sensor_dev_attr_in0_alarm.dev_attr.attr,
1036 &sensor_dev_attr_in1_alarm.dev_attr.attr,
1037 &sensor_dev_attr_in2_alarm.dev_attr.attr,
1038 &sensor_dev_attr_in3_alarm.dev_attr.attr,
Jean Delvareb353a482007-07-05 20:36:12 +02001039
1040 &sensor_dev_attr_temp1_input.dev_attr.attr,
1041 &sensor_dev_attr_temp2_input.dev_attr.attr,
1042 &sensor_dev_attr_temp3_input.dev_attr.attr,
1043 &sensor_dev_attr_temp1_min.dev_attr.attr,
1044 &sensor_dev_attr_temp2_min.dev_attr.attr,
1045 &sensor_dev_attr_temp3_min.dev_attr.attr,
1046 &sensor_dev_attr_temp1_max.dev_attr.attr,
1047 &sensor_dev_attr_temp2_max.dev_attr.attr,
1048 &sensor_dev_attr_temp3_max.dev_attr.attr,
Jean Delvarebf76e9d2007-07-05 20:37:58 +02001049 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
1050 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
1051 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
1052 &sensor_dev_attr_temp1_fault.dev_attr.attr,
1053 &sensor_dev_attr_temp3_fault.dev_attr.attr,
Jean Delvareb353a482007-07-05 20:36:12 +02001054
1055 &sensor_dev_attr_pwm1_auto_channels.dev_attr.attr,
1056 &sensor_dev_attr_pwm2_auto_channels.dev_attr.attr,
1057 &sensor_dev_attr_pwm3_auto_channels.dev_attr.attr,
1058 &sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr,
1059 &sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr,
1060 &sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr,
1061 &sensor_dev_attr_pwm1_auto_pwm_minctl.dev_attr.attr,
1062 &sensor_dev_attr_pwm2_auto_pwm_minctl.dev_attr.attr,
1063 &sensor_dev_attr_pwm3_auto_pwm_minctl.dev_attr.attr,
Jean Delvareb353a482007-07-05 20:36:12 +02001064
1065 &sensor_dev_attr_temp1_auto_temp_off.dev_attr.attr,
1066 &sensor_dev_attr_temp2_auto_temp_off.dev_attr.attr,
1067 &sensor_dev_attr_temp3_auto_temp_off.dev_attr.attr,
1068 &sensor_dev_attr_temp1_auto_temp_min.dev_attr.attr,
1069 &sensor_dev_attr_temp2_auto_temp_min.dev_attr.attr,
1070 &sensor_dev_attr_temp3_auto_temp_min.dev_attr.attr,
1071 &sensor_dev_attr_temp1_auto_temp_max.dev_attr.attr,
1072 &sensor_dev_attr_temp2_auto_temp_max.dev_attr.attr,
1073 &sensor_dev_attr_temp3_auto_temp_max.dev_attr.attr,
1074 &sensor_dev_attr_temp1_auto_temp_crit.dev_attr.attr,
1075 &sensor_dev_attr_temp2_auto_temp_crit.dev_attr.attr,
1076 &sensor_dev_attr_temp3_auto_temp_crit.dev_attr.attr,
1077
Mark M. Hoffman0501a382006-09-24 21:14:35 +02001078 &dev_attr_vrm.attr,
1079 &dev_attr_cpu0_vid.attr,
1080 &dev_attr_alarms.attr,
Mark M. Hoffman0501a382006-09-24 21:14:35 +02001081 NULL
1082};
1083
1084static const struct attribute_group lm85_group = {
1085 .attrs = lm85_attributes,
1086};
1087
Jean Delvare6b9aad22007-07-05 20:37:21 +02001088static struct attribute *lm85_attributes_in4[] = {
Jean Delvareb353a482007-07-05 20:36:12 +02001089 &sensor_dev_attr_in4_input.dev_attr.attr,
1090 &sensor_dev_attr_in4_min.dev_attr.attr,
1091 &sensor_dev_attr_in4_max.dev_attr.attr,
Jean Delvarebf76e9d2007-07-05 20:37:58 +02001092 &sensor_dev_attr_in4_alarm.dev_attr.attr,
Mark M. Hoffman0501a382006-09-24 21:14:35 +02001093 NULL
1094};
1095
Jean Delvare6b9aad22007-07-05 20:37:21 +02001096static const struct attribute_group lm85_group_in4 = {
1097 .attrs = lm85_attributes_in4,
1098};
1099
1100static struct attribute *lm85_attributes_in567[] = {
1101 &sensor_dev_attr_in5_input.dev_attr.attr,
1102 &sensor_dev_attr_in6_input.dev_attr.attr,
1103 &sensor_dev_attr_in7_input.dev_attr.attr,
1104 &sensor_dev_attr_in5_min.dev_attr.attr,
1105 &sensor_dev_attr_in6_min.dev_attr.attr,
1106 &sensor_dev_attr_in7_min.dev_attr.attr,
1107 &sensor_dev_attr_in5_max.dev_attr.attr,
1108 &sensor_dev_attr_in6_max.dev_attr.attr,
1109 &sensor_dev_attr_in7_max.dev_attr.attr,
Jean Delvarebf76e9d2007-07-05 20:37:58 +02001110 &sensor_dev_attr_in5_alarm.dev_attr.attr,
1111 &sensor_dev_attr_in6_alarm.dev_attr.attr,
1112 &sensor_dev_attr_in7_alarm.dev_attr.attr,
Jean Delvare6b9aad22007-07-05 20:37:21 +02001113 NULL
1114};
1115
1116static const struct attribute_group lm85_group_in567 = {
1117 .attrs = lm85_attributes_in567,
Mark M. Hoffman0501a382006-09-24 21:14:35 +02001118};
1119
Jean Delvare5f44759472008-06-25 09:10:30 -04001120static void lm85_init_client(struct i2c_client *client)
1121{
1122 int value;
1123
1124 /* Start monitoring if needed */
1125 value = lm85_read_value(client, LM85_REG_CONFIG);
1126 if (!(value & 0x01)) {
1127 dev_info(&client->dev, "Starting monitoring\n");
1128 lm85_write_value(client, LM85_REG_CONFIG, value | 0x01);
1129 }
1130
1131 /* Warn about unusual configuration bits */
1132 if (value & 0x02)
1133 dev_warn(&client->dev, "Device configuration is locked\n");
1134 if (!(value & 0x04))
1135 dev_warn(&client->dev, "Device is not ready\n");
1136}
1137
Jean Delvare5cfaf332009-09-15 17:18:14 +02001138static int lm85_is_fake(struct i2c_client *client)
1139{
1140 /*
1141 * Differenciate between real LM96000 and Winbond WPCD377I. The latter
1142 * emulate the former except that it has no hardware monitoring function
1143 * so the readings are always 0.
1144 */
1145 int i;
1146 u8 in_temp, fan;
1147
1148 for (i = 0; i < 8; i++) {
1149 in_temp = i2c_smbus_read_byte_data(client, 0x20 + i);
1150 fan = i2c_smbus_read_byte_data(client, 0x28 + i);
1151 if (in_temp != 0x00 || fan != 0xff)
1152 return 0;
1153 }
1154
1155 return 1;
1156}
1157
Jean Delvare67712d02008-10-17 17:51:14 +02001158/* Return 0 if detection is successful, -ENODEV otherwise */
1159static int lm85_detect(struct i2c_client *client, int kind,
1160 struct i2c_board_info *info)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001161{
Jean Delvare67712d02008-10-17 17:51:14 +02001162 struct i2c_adapter *adapter = client->adapter;
1163 int address = client->addr;
Jean Delvaree89e22b2008-06-25 08:47:35 -04001164 const char *type_name;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001165
Jean Delvaree89e22b2008-06-25 08:47:35 -04001166 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001167 /* We need to be able to do byte I/O */
Jean Delvare67712d02008-10-17 17:51:14 +02001168 return -ENODEV;
Jean Delvare1f448092008-04-29 14:03:37 +02001169 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001170
Jean Delvare69fc1fe2008-10-17 17:51:13 +02001171 /* If auto-detecting, determine the chip type */
1172 if (kind < 0) {
1173 int company = lm85_read_value(client, LM85_REG_COMPANY);
1174 int verstep = lm85_read_value(client, LM85_REG_VERSTEP);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001175
Jean Delvare69fc1fe2008-10-17 17:51:13 +02001176 dev_dbg(&adapter->dev, "Detecting device at 0x%02x with "
1177 "COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
1178 address, company, verstep);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001179
Jean Delvare69fc1fe2008-10-17 17:51:13 +02001180 /* All supported chips have the version in common */
Darrick J. Wongc15ade62009-03-10 12:55:47 -07001181 if ((verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC &&
1182 (verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC2) {
Jean Delvare69fc1fe2008-10-17 17:51:13 +02001183 dev_dbg(&adapter->dev, "Autodetection failed: "
1184 "unsupported version\n");
Jean Delvare67712d02008-10-17 17:51:14 +02001185 return -ENODEV;
Jean Delvare69fc1fe2008-10-17 17:51:13 +02001186 }
1187 kind = any_chip;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001188
Jean Delvare69fc1fe2008-10-17 17:51:13 +02001189 /* Now, refine the detection */
1190 if (company == LM85_COMPANY_NATIONAL) {
1191 switch (verstep) {
1192 case LM85_VERSTEP_LM85C:
1193 kind = lm85c;
1194 break;
1195 case LM85_VERSTEP_LM85B:
1196 kind = lm85b;
1197 break;
Jean Delvare5cfaf332009-09-15 17:18:14 +02001198 case LM85_VERSTEP_LM96000_1:
1199 case LM85_VERSTEP_LM96000_2:
1200 /* Check for Winbond WPCD377I */
1201 if (lm85_is_fake(client)) {
1202 dev_dbg(&adapter->dev,
1203 "Found Winbond WPCD377I, "
1204 "ignoring\n");
1205 return -ENODEV;
1206 }
1207 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001208 }
Jean Delvare69fc1fe2008-10-17 17:51:13 +02001209 } else if (company == LM85_COMPANY_ANALOG_DEV) {
1210 switch (verstep) {
1211 case LM85_VERSTEP_ADM1027:
1212 kind = adm1027;
1213 break;
1214 case LM85_VERSTEP_ADT7463:
1215 case LM85_VERSTEP_ADT7463C:
1216 kind = adt7463;
1217 break;
Darrick J. Wong79b92f22008-11-12 13:26:59 -08001218 case LM85_VERSTEP_ADT7468_1:
1219 case LM85_VERSTEP_ADT7468_2:
1220 kind = adt7468;
1221 break;
Jean Delvare69fc1fe2008-10-17 17:51:13 +02001222 }
1223 } else if (company == LM85_COMPANY_SMSC) {
1224 switch (verstep) {
1225 case LM85_VERSTEP_EMC6D100_A0:
1226 case LM85_VERSTEP_EMC6D100_A1:
1227 /* Note: we can't tell a '100 from a '101 */
1228 kind = emc6d100;
1229 break;
1230 case LM85_VERSTEP_EMC6D102:
1231 kind = emc6d102;
1232 break;
1233 }
1234 } else {
1235 dev_dbg(&adapter->dev, "Autodetection failed: "
1236 "unknown vendor\n");
Jean Delvare67712d02008-10-17 17:51:14 +02001237 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001238 }
1239 }
1240
Jean Delvaree89e22b2008-06-25 08:47:35 -04001241 switch (kind) {
1242 case lm85b:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001243 type_name = "lm85b";
Jean Delvaree89e22b2008-06-25 08:47:35 -04001244 break;
1245 case lm85c:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001246 type_name = "lm85c";
Jean Delvaree89e22b2008-06-25 08:47:35 -04001247 break;
1248 case adm1027:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001249 type_name = "adm1027";
Jean Delvaree89e22b2008-06-25 08:47:35 -04001250 break;
1251 case adt7463:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001252 type_name = "adt7463";
Jean Delvaree89e22b2008-06-25 08:47:35 -04001253 break;
Darrick J. Wong79b92f22008-11-12 13:26:59 -08001254 case adt7468:
1255 type_name = "adt7468";
1256 break;
Jean Delvaree89e22b2008-06-25 08:47:35 -04001257 case emc6d100:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001258 type_name = "emc6d100";
Jean Delvaree89e22b2008-06-25 08:47:35 -04001259 break;
1260 case emc6d102:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001261 type_name = "emc6d102";
Jean Delvaree89e22b2008-06-25 08:47:35 -04001262 break;
1263 default:
1264 type_name = "lm85";
1265 }
Jean Delvare67712d02008-10-17 17:51:14 +02001266 strlcpy(info->type, type_name, I2C_NAME_SIZE);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001267
Jean Delvare67712d02008-10-17 17:51:14 +02001268 return 0;
1269}
1270
1271static int lm85_probe(struct i2c_client *client,
1272 const struct i2c_device_id *id)
1273{
1274 struct lm85_data *data;
1275 int err;
1276
1277 data = kzalloc(sizeof(struct lm85_data), GFP_KERNEL);
1278 if (!data)
1279 return -ENOMEM;
1280
1281 i2c_set_clientdata(client, data);
1282 data->type = id->driver_data;
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001283 mutex_init(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001284
Jean Delvare67712d02008-10-17 17:51:14 +02001285 /* Fill in the chip specific driver values */
1286 switch (data->type) {
1287 case adm1027:
1288 case adt7463:
1289 case emc6d100:
1290 case emc6d102:
1291 data->freq_map = adm1027_freq_map;
1292 break;
1293 default:
1294 data->freq_map = lm85_freq_map;
1295 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001296
1297 /* Set the VRM version */
Jean Delvare303760b2005-07-31 21:52:01 +02001298 data->vrm = vid_which_vrm();
Linus Torvalds1da177e2005-04-16 15:20:36 -07001299
1300 /* Initialize the LM85 chip */
Jean Delvaree89e22b2008-06-25 08:47:35 -04001301 lm85_init_client(client);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001302
1303 /* Register sysfs hooks */
Jean Delvaree89e22b2008-06-25 08:47:35 -04001304 err = sysfs_create_group(&client->dev.kobj, &lm85_group);
1305 if (err)
Jean Delvaref9080372008-10-17 17:51:14 +02001306 goto err_kfree;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001307
Darrick J. Wong79b92f22008-11-12 13:26:59 -08001308 /* The ADT7463/68 have an optional VRM 10 mode where pin 21 is used
Jean Delvare9c516ef2005-11-26 20:07:54 +01001309 as a sixth digital VID input rather than an analog input. */
Jean Delvaree89e22b2008-06-25 08:47:35 -04001310 data->vid = lm85_read_value(client, LM85_REG_VID);
Darrick J. Wong79b92f22008-11-12 13:26:59 -08001311 if (!((data->type == adt7463 || data->type == adt7468) &&
1312 (data->vid & 0x80)))
Jean Delvaree89e22b2008-06-25 08:47:35 -04001313 if ((err = sysfs_create_group(&client->dev.kobj,
Jean Delvare6b9aad22007-07-05 20:37:21 +02001314 &lm85_group_in4)))
Jean Delvaref9080372008-10-17 17:51:14 +02001315 goto err_remove_files;
Jean Delvare6b9aad22007-07-05 20:37:21 +02001316
1317 /* The EMC6D100 has 3 additional voltage inputs */
Jean Delvare67712d02008-10-17 17:51:14 +02001318 if (data->type == emc6d100)
Jean Delvaree89e22b2008-06-25 08:47:35 -04001319 if ((err = sysfs_create_group(&client->dev.kobj,
Jean Delvare6b9aad22007-07-05 20:37:21 +02001320 &lm85_group_in567)))
Jean Delvaref9080372008-10-17 17:51:14 +02001321 goto err_remove_files;
Mark M. Hoffman0501a382006-09-24 21:14:35 +02001322
Jean Delvaree89e22b2008-06-25 08:47:35 -04001323 data->hwmon_dev = hwmon_device_register(&client->dev);
Tony Jones1beeffe2007-08-20 13:46:20 -07001324 if (IS_ERR(data->hwmon_dev)) {
1325 err = PTR_ERR(data->hwmon_dev);
Jean Delvaref9080372008-10-17 17:51:14 +02001326 goto err_remove_files;
Jean Delvare9c516ef2005-11-26 20:07:54 +01001327 }
1328
Linus Torvalds1da177e2005-04-16 15:20:36 -07001329 return 0;
1330
1331 /* Error out and cleanup code */
Jean Delvaref9080372008-10-17 17:51:14 +02001332 err_remove_files:
Jean Delvaree89e22b2008-06-25 08:47:35 -04001333 sysfs_remove_group(&client->dev.kobj, &lm85_group);
1334 sysfs_remove_group(&client->dev.kobj, &lm85_group_in4);
Jean Delvare67712d02008-10-17 17:51:14 +02001335 if (data->type == emc6d100)
Jean Delvaree89e22b2008-06-25 08:47:35 -04001336 sysfs_remove_group(&client->dev.kobj, &lm85_group_in567);
Jean Delvaref9080372008-10-17 17:51:14 +02001337 err_kfree:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001338 kfree(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001339 return err;
1340}
1341
Jean Delvare67712d02008-10-17 17:51:14 +02001342static int lm85_remove(struct i2c_client *client)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001343{
Mark M. Hoffman943b0832005-07-15 21:39:18 -04001344 struct lm85_data *data = i2c_get_clientdata(client);
Tony Jones1beeffe2007-08-20 13:46:20 -07001345 hwmon_device_unregister(data->hwmon_dev);
Mark M. Hoffman0501a382006-09-24 21:14:35 +02001346 sysfs_remove_group(&client->dev.kobj, &lm85_group);
Jean Delvare6b9aad22007-07-05 20:37:21 +02001347 sysfs_remove_group(&client->dev.kobj, &lm85_group_in4);
1348 if (data->type == emc6d100)
1349 sysfs_remove_group(&client->dev.kobj, &lm85_group_in567);
Mark M. Hoffman943b0832005-07-15 21:39:18 -04001350 kfree(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001351 return 0;
1352}
1353
1354
Ben Dooksd8d20612005-10-26 21:05:46 +02001355static int lm85_read_value(struct i2c_client *client, u8 reg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001356{
1357 int res;
1358
1359 /* What size location is it? */
Jean Delvare1f448092008-04-29 14:03:37 +02001360 switch (reg) {
1361 case LM85_REG_FAN(0): /* Read WORD data */
1362 case LM85_REG_FAN(1):
1363 case LM85_REG_FAN(2):
1364 case LM85_REG_FAN(3):
1365 case LM85_REG_FAN_MIN(0):
1366 case LM85_REG_FAN_MIN(1):
1367 case LM85_REG_FAN_MIN(2):
1368 case LM85_REG_FAN_MIN(3):
1369 case LM85_REG_ALARM1: /* Read both bytes at once */
1370 res = i2c_smbus_read_byte_data(client, reg) & 0xff;
1371 res |= i2c_smbus_read_byte_data(client, reg + 1) << 8;
1372 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001373 default: /* Read BYTE data */
1374 res = i2c_smbus_read_byte_data(client, reg);
Jean Delvare1f448092008-04-29 14:03:37 +02001375 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001376 }
1377
Jean Delvare1f448092008-04-29 14:03:37 +02001378 return res;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001379}
1380
Jean Delvaree89e22b2008-06-25 08:47:35 -04001381static void lm85_write_value(struct i2c_client *client, u8 reg, int value)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001382{
Jean Delvare1f448092008-04-29 14:03:37 +02001383 switch (reg) {
1384 case LM85_REG_FAN(0): /* Write WORD data */
1385 case LM85_REG_FAN(1):
1386 case LM85_REG_FAN(2):
1387 case LM85_REG_FAN(3):
1388 case LM85_REG_FAN_MIN(0):
1389 case LM85_REG_FAN_MIN(1):
1390 case LM85_REG_FAN_MIN(2):
1391 case LM85_REG_FAN_MIN(3):
Linus Torvalds1da177e2005-04-16 15:20:36 -07001392 /* NOTE: ALARM is read only, so not included here */
Jean Delvaree89e22b2008-06-25 08:47:35 -04001393 i2c_smbus_write_byte_data(client, reg, value & 0xff);
1394 i2c_smbus_write_byte_data(client, reg + 1, value >> 8);
Jean Delvare1f448092008-04-29 14:03:37 +02001395 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001396 default: /* Write BYTE data */
Jean Delvaree89e22b2008-06-25 08:47:35 -04001397 i2c_smbus_write_byte_data(client, reg, value);
Jean Delvare1f448092008-04-29 14:03:37 +02001398 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001399 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001400}
1401
Linus Torvalds1da177e2005-04-16 15:20:36 -07001402static struct lm85_data *lm85_update_device(struct device *dev)
1403{
1404 struct i2c_client *client = to_i2c_client(dev);
1405 struct lm85_data *data = i2c_get_clientdata(client);
1406 int i;
1407
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001408 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001409
Jean Delvare1f448092008-04-29 14:03:37 +02001410 if (!data->valid ||
1411 time_after(jiffies, data->last_reading + LM85_DATA_INTERVAL)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001412 /* Things that change quickly */
1413 dev_dbg(&client->dev, "Reading sensor values\n");
Jean Delvare1f448092008-04-29 14:03:37 +02001414
Linus Torvalds1da177e2005-04-16 15:20:36 -07001415 /* Have to read extended bits first to "freeze" the
1416 * more significant bits that are read later.
Jean Delvare5a4d3ef2007-07-05 20:38:32 +02001417 * There are 2 additional resolution bits per channel and we
1418 * have room for 4, so we shift them to the left.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001419 */
Darrick J. Wong79b92f22008-11-12 13:26:59 -08001420 if (data->type == adm1027 || data->type == adt7463 ||
1421 data->type == adt7468) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001422 int ext1 = lm85_read_value(client,
1423 ADM1027_REG_EXTEND_ADC1);
1424 int ext2 = lm85_read_value(client,
1425 ADM1027_REG_EXTEND_ADC2);
1426 int val = (ext1 << 8) + ext2;
1427
Jean Delvare1f448092008-04-29 14:03:37 +02001428 for (i = 0; i <= 4; i++)
1429 data->in_ext[i] =
1430 ((val >> (i * 2)) & 0x03) << 2;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001431
Jean Delvare1f448092008-04-29 14:03:37 +02001432 for (i = 0; i <= 2; i++)
1433 data->temp_ext[i] =
1434 (val >> ((i + 4) * 2)) & 0x0c;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001435 }
1436
Jean Delvare9c516ef2005-11-26 20:07:54 +01001437 data->vid = lm85_read_value(client, LM85_REG_VID);
1438
1439 for (i = 0; i <= 3; ++i) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001440 data->in[i] =
1441 lm85_read_value(client, LM85_REG_IN(i));
Jean Delvaree89e22b2008-06-25 08:47:35 -04001442 data->fan[i] =
1443 lm85_read_value(client, LM85_REG_FAN(i));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001444 }
1445
Darrick J. Wong79b92f22008-11-12 13:26:59 -08001446 if (!((data->type == adt7463 || data->type == adt7468) &&
1447 (data->vid & 0x80))) {
Jean Delvare9c516ef2005-11-26 20:07:54 +01001448 data->in[4] = lm85_read_value(client,
1449 LM85_REG_IN(4));
1450 }
1451
Darrick J. Wong79b92f22008-11-12 13:26:59 -08001452 if (data->type == adt7468)
1453 data->cfg5 = lm85_read_value(client, ADT7468_REG_CFG5);
1454
Linus Torvalds1da177e2005-04-16 15:20:36 -07001455 for (i = 0; i <= 2; ++i) {
1456 data->temp[i] =
1457 lm85_read_value(client, LM85_REG_TEMP(i));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001458 data->pwm[i] =
1459 lm85_read_value(client, LM85_REG_PWM(i));
Darrick J. Wong79b92f22008-11-12 13:26:59 -08001460
1461 if (IS_ADT7468_OFF64(data))
1462 data->temp[i] -= 64;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001463 }
1464
1465 data->alarms = lm85_read_value(client, LM85_REG_ALARM1);
1466
Jean Delvaredd1ac532008-05-01 08:47:33 +02001467 if (data->type == emc6d100) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001468 /* Three more voltage sensors */
1469 for (i = 5; i <= 7; ++i) {
Jean Delvare1f448092008-04-29 14:03:37 +02001470 data->in[i] = lm85_read_value(client,
1471 EMC6D100_REG_IN(i));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001472 }
1473 /* More alarm bits */
Jean Delvare1f448092008-04-29 14:03:37 +02001474 data->alarms |= lm85_read_value(client,
1475 EMC6D100_REG_ALARM3) << 16;
1476 } else if (data->type == emc6d102) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001477 /* Have to read LSB bits after the MSB ones because
1478 the reading of the MSB bits has frozen the
1479 LSBs (backward from the ADM1027).
1480 */
1481 int ext1 = lm85_read_value(client,
1482 EMC6D102_REG_EXTEND_ADC1);
1483 int ext2 = lm85_read_value(client,
1484 EMC6D102_REG_EXTEND_ADC2);
1485 int ext3 = lm85_read_value(client,
1486 EMC6D102_REG_EXTEND_ADC3);
1487 int ext4 = lm85_read_value(client,
1488 EMC6D102_REG_EXTEND_ADC4);
1489 data->in_ext[0] = ext3 & 0x0f;
1490 data->in_ext[1] = ext4 & 0x0f;
Jean Delvaree89e22b2008-06-25 08:47:35 -04001491 data->in_ext[2] = ext4 >> 4;
1492 data->in_ext[3] = ext3 >> 4;
1493 data->in_ext[4] = ext2 >> 4;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001494
1495 data->temp_ext[0] = ext1 & 0x0f;
1496 data->temp_ext[1] = ext2 & 0x0f;
Jean Delvaree89e22b2008-06-25 08:47:35 -04001497 data->temp_ext[2] = ext1 >> 4;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001498 }
1499
Jean Delvare1f448092008-04-29 14:03:37 +02001500 data->last_reading = jiffies;
1501 } /* last_reading */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001502
Jean Delvare1f448092008-04-29 14:03:37 +02001503 if (!data->valid ||
1504 time_after(jiffies, data->last_config + LM85_CONFIG_INTERVAL)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001505 /* Things that don't change often */
1506 dev_dbg(&client->dev, "Reading config values\n");
1507
Jean Delvare9c516ef2005-11-26 20:07:54 +01001508 for (i = 0; i <= 3; ++i) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001509 data->in_min[i] =
1510 lm85_read_value(client, LM85_REG_IN_MIN(i));
1511 data->in_max[i] =
1512 lm85_read_value(client, LM85_REG_IN_MAX(i));
Jean Delvaree89e22b2008-06-25 08:47:35 -04001513 data->fan_min[i] =
1514 lm85_read_value(client, LM85_REG_FAN_MIN(i));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001515 }
1516
Darrick J. Wong79b92f22008-11-12 13:26:59 -08001517 if (!((data->type == adt7463 || data->type == adt7468) &&
1518 (data->vid & 0x80))) {
Jean Delvare9c516ef2005-11-26 20:07:54 +01001519 data->in_min[4] = lm85_read_value(client,
1520 LM85_REG_IN_MIN(4));
1521 data->in_max[4] = lm85_read_value(client,
1522 LM85_REG_IN_MAX(4));
1523 }
1524
Jean Delvare1f448092008-04-29 14:03:37 +02001525 if (data->type == emc6d100) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001526 for (i = 5; i <= 7; ++i) {
Jean Delvare1f448092008-04-29 14:03:37 +02001527 data->in_min[i] = lm85_read_value(client,
1528 EMC6D100_REG_IN_MIN(i));
1529 data->in_max[i] = lm85_read_value(client,
1530 EMC6D100_REG_IN_MAX(i));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001531 }
1532 }
1533
Linus Torvalds1da177e2005-04-16 15:20:36 -07001534 for (i = 0; i <= 2; ++i) {
Jean Delvaree89e22b2008-06-25 08:47:35 -04001535 int val;
1536
Linus Torvalds1da177e2005-04-16 15:20:36 -07001537 data->temp_min[i] =
1538 lm85_read_value(client, LM85_REG_TEMP_MIN(i));
1539 data->temp_max[i] =
1540 lm85_read_value(client, LM85_REG_TEMP_MAX(i));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001541
Linus Torvalds1da177e2005-04-16 15:20:36 -07001542 data->autofan[i].config =
1543 lm85_read_value(client, LM85_REG_AFAN_CONFIG(i));
1544 val = lm85_read_value(client, LM85_REG_AFAN_RANGE(i));
Jean Delvare34e7dc62008-10-17 17:51:13 +02001545 data->pwm_freq[i] = val & 0x07;
Jean Delvaree89e22b2008-06-25 08:47:35 -04001546 data->zone[i].range = val >> 4;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001547 data->autofan[i].min_pwm =
1548 lm85_read_value(client, LM85_REG_AFAN_MINPWM(i));
1549 data->zone[i].limit =
1550 lm85_read_value(client, LM85_REG_AFAN_LIMIT(i));
1551 data->zone[i].critical =
1552 lm85_read_value(client, LM85_REG_AFAN_CRITICAL(i));
Darrick J. Wong79b92f22008-11-12 13:26:59 -08001553
1554 if (IS_ADT7468_OFF64(data)) {
1555 data->temp_min[i] -= 64;
1556 data->temp_max[i] -= 64;
1557 data->zone[i].limit -= 64;
1558 data->zone[i].critical -= 64;
1559 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001560 }
1561
1562 i = lm85_read_value(client, LM85_REG_AFAN_SPIKE1);
Jean Delvare1f448092008-04-29 14:03:37 +02001563 data->autofan[0].min_off = (i & 0x20) != 0;
1564 data->autofan[1].min_off = (i & 0x40) != 0;
1565 data->autofan[2].min_off = (i & 0x80) != 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001566
1567 i = lm85_read_value(client, LM85_REG_AFAN_HYST1);
Jean Delvaree89e22b2008-06-25 08:47:35 -04001568 data->zone[0].hyst = i >> 4;
Jean Delvare1f448092008-04-29 14:03:37 +02001569 data->zone[1].hyst = i & 0x0f;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001570
1571 i = lm85_read_value(client, LM85_REG_AFAN_HYST2);
Jean Delvaree89e22b2008-06-25 08:47:35 -04001572 data->zone[2].hyst = i >> 4;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001573
Linus Torvalds1da177e2005-04-16 15:20:36 -07001574 data->last_config = jiffies;
Jean Delvare1f448092008-04-29 14:03:37 +02001575 } /* last_config */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001576
1577 data->valid = 1;
1578
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001579 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001580
1581 return data;
1582}
1583
1584
1585static int __init sm_lm85_init(void)
1586{
1587 return i2c_add_driver(&lm85_driver);
1588}
1589
Jean Delvare1f448092008-04-29 14:03:37 +02001590static void __exit sm_lm85_exit(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001591{
1592 i2c_del_driver(&lm85_driver);
1593}
1594
Linus Torvalds1da177e2005-04-16 15:20:36 -07001595MODULE_LICENSE("GPL");
Jean Delvare1f448092008-04-29 14:03:37 +02001596MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
1597 "Margit Schubert-While <margitsw@t-online.de>, "
Jean Delvaree89e22b2008-06-25 08:47:35 -04001598 "Justin Thiessen <jthiessen@penguincomputing.com>");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001599MODULE_DESCRIPTION("LM85-B, LM85-C driver");
1600
1601module_init(sm_lm85_init);
1602module_exit(sm_lm85_exit);