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74ba9207 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 | 2 | /* |
09770b26 GR |
3 | * lm85.c - Part of lm_sensors, Linux kernel modules for hardware |
4 | * monitoring | |
5 | * Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl> | |
6 | * Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com> | |
7 | * Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de> | |
8 | * Copyright (c) 2004 Justin Thiessen <jthiessen@penguincomputing.com> | |
590e8534 | 9 | * Copyright (C) 2007--2014 Jean Delvare <jdelvare@suse.de> |
09770b26 GR |
10 | * |
11 | * Chip details at <http://www.national.com/ds/LM/LM85.pdf> | |
09770b26 | 12 | */ |
1da177e4 | 13 | |
1da177e4 | 14 | #include <linux/module.h> |
00c0f9d3 | 15 | #include <linux/of_device.h> |
1da177e4 LT |
16 | #include <linux/init.h> |
17 | #include <linux/slab.h> | |
18 | #include <linux/jiffies.h> | |
19 | #include <linux/i2c.h> | |
943b0830 | 20 | #include <linux/hwmon.h> |
303760b4 | 21 | #include <linux/hwmon-vid.h> |
b353a487 | 22 | #include <linux/hwmon-sysfs.h> |
943b0830 | 23 | #include <linux/err.h> |
9a61bf63 | 24 | #include <linux/mutex.h> |
0f3721c5 | 25 | #include <linux/util_macros.h> |
1da177e4 LT |
26 | |
27 | /* Addresses to scan */ | |
25e9c86d | 28 | static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
1da177e4 | 29 | |
e5e9f44c | 30 | enum chips { |
11650cf0 | 31 | lm85, lm96000, |
e5e9f44c | 32 | adm1027, adt7463, adt7468, |
06923f84 | 33 | emc6d100, emc6d102, emc6d103, emc6d103s |
e5e9f44c | 34 | }; |
1da177e4 LT |
35 | |
36 | /* The LM85 registers */ | |
37 | ||
09770b26 GR |
38 | #define LM85_REG_IN(nr) (0x20 + (nr)) |
39 | #define LM85_REG_IN_MIN(nr) (0x44 + (nr) * 2) | |
40 | #define LM85_REG_IN_MAX(nr) (0x45 + (nr) * 2) | |
1da177e4 | 41 | |
09770b26 GR |
42 | #define LM85_REG_TEMP(nr) (0x25 + (nr)) |
43 | #define LM85_REG_TEMP_MIN(nr) (0x4e + (nr) * 2) | |
44 | #define LM85_REG_TEMP_MAX(nr) (0x4f + (nr) * 2) | |
1da177e4 LT |
45 | |
46 | /* Fan speeds are LSB, MSB (2 bytes) */ | |
09770b26 GR |
47 | #define LM85_REG_FAN(nr) (0x28 + (nr) * 2) |
48 | #define LM85_REG_FAN_MIN(nr) (0x54 + (nr) * 2) | |
1da177e4 | 49 | |
09770b26 | 50 | #define LM85_REG_PWM(nr) (0x30 + (nr)) |
1da177e4 | 51 | |
09770b26 GR |
52 | #define LM85_REG_COMPANY 0x3e |
53 | #define LM85_REG_VERSTEP 0x3f | |
79b92f2b | 54 | |
09770b26 GR |
55 | #define ADT7468_REG_CFG5 0x7c |
56 | #define ADT7468_OFF64 (1 << 0) | |
57 | #define ADT7468_HFPWM (1 << 1) | |
58 | #define IS_ADT7468_OFF64(data) \ | |
79b92f2b | 59 | ((data)->type == adt7468 && !((data)->cfg5 & ADT7468_OFF64)) |
09770b26 | 60 | #define IS_ADT7468_HFPWM(data) \ |
f6c61cff | 61 | ((data)->type == adt7468 && !((data)->cfg5 & ADT7468_HFPWM)) |
79b92f2b | 62 | |
1da177e4 | 63 | /* These are the recognized values for the above regs */ |
09770b26 GR |
64 | #define LM85_COMPANY_NATIONAL 0x01 |
65 | #define LM85_COMPANY_ANALOG_DEV 0x41 | |
66 | #define LM85_COMPANY_SMSC 0x5c | |
09770b26 GR |
67 | #define LM85_VERSTEP_LM85C 0x60 |
68 | #define LM85_VERSTEP_LM85B 0x62 | |
69 | #define LM85_VERSTEP_LM96000_1 0x68 | |
70 | #define LM85_VERSTEP_LM96000_2 0x69 | |
71 | #define LM85_VERSTEP_ADM1027 0x60 | |
72 | #define LM85_VERSTEP_ADT7463 0x62 | |
73 | #define LM85_VERSTEP_ADT7463C 0x6A | |
74 | #define LM85_VERSTEP_ADT7468_1 0x71 | |
75 | #define LM85_VERSTEP_ADT7468_2 0x72 | |
76 | #define LM85_VERSTEP_EMC6D100_A0 0x60 | |
77 | #define LM85_VERSTEP_EMC6D100_A1 0x61 | |
78 | #define LM85_VERSTEP_EMC6D102 0x65 | |
79 | #define LM85_VERSTEP_EMC6D103_A0 0x68 | |
80 | #define LM85_VERSTEP_EMC6D103_A1 0x69 | |
81 | #define LM85_VERSTEP_EMC6D103S 0x6A /* Also known as EMC6D103:A2 */ | |
82 | ||
83 | #define LM85_REG_CONFIG 0x40 | |
84 | ||
85 | #define LM85_REG_ALARM1 0x41 | |
86 | #define LM85_REG_ALARM2 0x42 | |
87 | ||
88 | #define LM85_REG_VID 0x43 | |
1da177e4 LT |
89 | |
90 | /* Automated FAN control */ | |
09770b26 GR |
91 | #define LM85_REG_AFAN_CONFIG(nr) (0x5c + (nr)) |
92 | #define LM85_REG_AFAN_RANGE(nr) (0x5f + (nr)) | |
93 | #define LM85_REG_AFAN_SPIKE1 0x62 | |
94 | #define LM85_REG_AFAN_MINPWM(nr) (0x64 + (nr)) | |
95 | #define LM85_REG_AFAN_LIMIT(nr) (0x67 + (nr)) | |
96 | #define LM85_REG_AFAN_CRITICAL(nr) (0x6a + (nr)) | |
97 | #define LM85_REG_AFAN_HYST1 0x6d | |
98 | #define LM85_REG_AFAN_HYST2 0x6e | |
99 | ||
100 | #define ADM1027_REG_EXTEND_ADC1 0x76 | |
101 | #define ADM1027_REG_EXTEND_ADC2 0x77 | |
1da177e4 LT |
102 | |
103 | #define EMC6D100_REG_ALARM3 0x7d | |
104 | /* IN5, IN6 and IN7 */ | |
09770b26 GR |
105 | #define EMC6D100_REG_IN(nr) (0x70 + ((nr) - 5)) |
106 | #define EMC6D100_REG_IN_MIN(nr) (0x73 + ((nr) - 5) * 2) | |
107 | #define EMC6D100_REG_IN_MAX(nr) (0x74 + ((nr) - 5) * 2) | |
108 | #define EMC6D102_REG_EXTEND_ADC1 0x85 | |
109 | #define EMC6D102_REG_EXTEND_ADC2 0x86 | |
110 | #define EMC6D102_REG_EXTEND_ADC3 0x87 | |
111 | #define EMC6D102_REG_EXTEND_ADC4 0x88 | |
112 | ||
09770b26 GR |
113 | /* |
114 | * Conversions. Rounding and limit checking is only done on the TO_REG | |
115 | * variants. Note that you should be a bit careful with which arguments | |
116 | * these macros are called: arguments may be evaluated more than once. | |
1da177e4 LT |
117 | */ |
118 | ||
25985edc | 119 | /* IN are scaled according to built-in resistors */ |
e89e22b2 | 120 | static const int lm85_scaling[] = { /* .001 Volts */ |
1f44809a JD |
121 | 2500, 2250, 3300, 5000, 12000, |
122 | 3300, 1500, 1800 /*EMC6D100*/ | |
123 | }; | |
124 | #define SCALE(val, from, to) (((val) * (to) + ((from) / 2)) / (from)) | |
1da177e4 | 125 | |
1f44809a | 126 | #define INS_TO_REG(n, val) \ |
67b20034 GR |
127 | SCALE(clamp_val(val, 0, 255 * lm85_scaling[n] / 192), \ |
128 | lm85_scaling[n], 192) | |
1da177e4 | 129 | |
1f44809a | 130 | #define INSEXT_FROM_REG(n, val, ext) \ |
5a4d3ef3 | 131 | SCALE(((val) << 4) + (ext), 192 << 4, lm85_scaling[n]) |
1da177e4 | 132 | |
1f44809a | 133 | #define INS_FROM_REG(n, val) SCALE((val), 192, lm85_scaling[n]) |
1da177e4 LT |
134 | |
135 | /* FAN speed is measured using 90kHz clock */ | |
63f281a6 JD |
136 | static inline u16 FAN_TO_REG(unsigned long val) |
137 | { | |
138 | if (!val) | |
139 | return 0xffff; | |
2a844c14 | 140 | return clamp_val(5400000 / val, 1, 0xfffe); |
63f281a6 | 141 | } |
1f44809a JD |
142 | #define FAN_FROM_REG(val) ((val) == 0 ? -1 : (val) == 0xffff ? 0 : \ |
143 | 5400000 / (val)) | |
1da177e4 LT |
144 | |
145 | /* Temperature is reported in .001 degC increments */ | |
146 | #define TEMP_TO_REG(val) \ | |
3248c3b7 | 147 | DIV_ROUND_CLOSEST(clamp_val((val), -127000, 127000), 1000) |
1f44809a | 148 | #define TEMPEXT_FROM_REG(val, ext) \ |
5a4d3ef3 JD |
149 | SCALE(((val) << 4) + (ext), 16, 1000) |
150 | #define TEMP_FROM_REG(val) ((val) * 1000) | |
1da177e4 | 151 | |
2a844c14 | 152 | #define PWM_TO_REG(val) clamp_val(val, 0, 255) |
1da177e4 LT |
153 | #define PWM_FROM_REG(val) (val) |
154 | ||
09770b26 GR |
155 | /* |
156 | * ZONEs have the following parameters: | |
1da177e4 LT |
157 | * Limit (low) temp, 1. degC |
158 | * Hysteresis (below limit), 1. degC (0-15) | |
159 | * Range of speed control, .1 degC (2-80) | |
160 | * Critical (high) temp, 1. degC | |
161 | * | |
162 | * FAN PWMs have the following parameters: | |
163 | * Reference Zone, 1, 2, 3, etc. | |
164 | * Spinup time, .05 sec | |
165 | * PWM value at limit/low temp, 1 count | |
166 | * PWM Frequency, 1. Hz | |
167 | * PWM is Min or OFF below limit, flag | |
168 | * Invert PWM output, flag | |
169 | * | |
170 | * Some chips filter the temp, others the fan. | |
171 | * Filter constant (or disabled) .1 seconds | |
172 | */ | |
173 | ||
174 | /* These are the zone temperature range encodings in .001 degree C */ | |
e89e22b2 | 175 | static const int lm85_range_map[] = { |
1f44809a JD |
176 | 2000, 2500, 3300, 4000, 5000, 6600, 8000, 10000, |
177 | 13300, 16000, 20000, 26600, 32000, 40000, 53300, 80000 | |
178 | }; | |
179 | ||
3248c3b7 | 180 | static int RANGE_TO_REG(long range) |
1da177e4 | 181 | { |
0f3721c5 | 182 | return find_closest(range, lm85_range_map, ARRAY_SIZE(lm85_range_map)); |
1da177e4 | 183 | } |
1f44809a | 184 | #define RANGE_FROM_REG(val) lm85_range_map[(val) & 0x0f] |
1da177e4 | 185 | |
1da177e4 | 186 | /* These are the PWM frequency encodings */ |
57bc3019 | 187 | static const int lm85_freq_map[] = { /* 1 Hz */ |
8a0795d9 JD |
188 | 10, 15, 23, 30, 38, 47, 61, 94 |
189 | }; | |
57bc3019 | 190 | |
e9b95485 JG |
191 | static const int lm96000_freq_map[] = { /* 1 Hz */ |
192 | 10, 15, 23, 30, 38, 47, 61, 94, | |
193 | 22500, 24000, 25700, 25700, 27700, 27700, 30000, 30000 | |
194 | }; | |
195 | ||
57bc3019 | 196 | static const int adm1027_freq_map[] = { /* 1 Hz */ |
8a0795d9 | 197 | 11, 15, 22, 29, 35, 44, 59, 88 |
1f44809a JD |
198 | }; |
199 | ||
0f3721c5 BG |
200 | static int FREQ_TO_REG(const int *map, |
201 | unsigned int map_size, unsigned long freq) | |
1da177e4 | 202 | { |
0f3721c5 | 203 | return find_closest(freq, map, map_size); |
1da177e4 | 204 | } |
8a0795d9 | 205 | |
57bc3019 | 206 | static int FREQ_FROM_REG(const int *map, unsigned int map_size, u8 reg) |
8a0795d9 | 207 | { |
57bc3019 | 208 | return map[reg % map_size]; |
8a0795d9 | 209 | } |
1da177e4 | 210 | |
09770b26 GR |
211 | /* |
212 | * Since we can't use strings, I'm abusing these numbers | |
1da177e4 LT |
213 | * to stand in for the following meanings: |
214 | * 1 -- PWM responds to Zone 1 | |
215 | * 2 -- PWM responds to Zone 2 | |
216 | * 3 -- PWM responds to Zone 3 | |
217 | * 23 -- PWM responds to the higher temp of Zone 2 or 3 | |
218 | * 123 -- PWM responds to highest of Zone 1, 2, or 3 | |
219 | * 0 -- PWM is always at 0% (ie, off) | |
220 | * -1 -- PWM is always at 100% | |
221 | * -2 -- PWM responds to manual control | |
222 | */ | |
223 | ||
e89e22b2 JD |
224 | static const int lm85_zone_map[] = { 1, 2, 3, -1, 0, 23, 123, -2 }; |
225 | #define ZONE_FROM_REG(val) lm85_zone_map[(val) >> 5] | |
1da177e4 | 226 | |
1f44809a | 227 | static int ZONE_TO_REG(int zone) |
1da177e4 LT |
228 | { |
229 | int i; | |
230 | ||
1f44809a JD |
231 | for (i = 0; i <= 7; ++i) |
232 | if (zone == lm85_zone_map[i]) | |
233 | break; | |
234 | if (i > 7) /* Not found. */ | |
1da177e4 | 235 | i = 3; /* Always 100% */ |
e89e22b2 | 236 | return i << 5; |
1da177e4 LT |
237 | } |
238 | ||
2a844c14 | 239 | #define HYST_TO_REG(val) clamp_val(((val) + 500) / 1000, 0, 15) |
1f44809a | 240 | #define HYST_FROM_REG(val) ((val) * 1000) |
1da177e4 | 241 | |
09770b26 GR |
242 | /* |
243 | * Chip sampling rates | |
1da177e4 LT |
244 | * |
245 | * Some sensors are not updated more frequently than once per second | |
246 | * so it doesn't make sense to read them more often than that. | |
247 | * We cache the results and return the saved data if the driver | |
248 | * is called again before a second has elapsed. | |
249 | * | |
250 | * Also, there is significant configuration data for this chip | |
251 | * given the automatic PWM fan control that is possible. There | |
252 | * are about 47 bytes of config data to only 22 bytes of actual | |
253 | * readings. So, we keep the config data up to date in the cache | |
254 | * when it is written and only sample it once every 1 *minute* | |
255 | */ | |
256 | #define LM85_DATA_INTERVAL (HZ + HZ / 2) | |
257 | #define LM85_CONFIG_INTERVAL (1 * 60 * HZ) | |
258 | ||
09770b26 GR |
259 | /* |
260 | * LM85 can automatically adjust fan speeds based on temperature | |
1da177e4 LT |
261 | * This structure encapsulates an entire Zone config. There are |
262 | * three zones (one for each temperature input) on the lm85 | |
263 | */ | |
264 | struct lm85_zone { | |
265 | s8 limit; /* Low temp limit */ | |
266 | u8 hyst; /* Low limit hysteresis. (0-15) */ | |
267 | u8 range; /* Temp range, encoded */ | |
268 | s8 critical; /* "All fans ON" temp limit */ | |
09770b26 GR |
269 | u8 max_desired; /* |
270 | * Actual "max" temperature specified. Preserved | |
1da177e4 LT |
271 | * to prevent "drift" as other autofan control |
272 | * values change. | |
273 | */ | |
274 | }; | |
275 | ||
276 | struct lm85_autofan { | |
277 | u8 config; /* Register value */ | |
1da177e4 LT |
278 | u8 min_pwm; /* Minimum PWM value, encoded */ |
279 | u8 min_off; /* Min PWM or OFF below "limit", flag */ | |
280 | }; | |
281 | ||
09770b26 GR |
282 | /* |
283 | * For each registered chip, we need to keep some data in memory. | |
284 | * The structure is dynamically allocated. | |
285 | */ | |
1da177e4 | 286 | struct lm85_data { |
746f6884 AL |
287 | struct i2c_client *client; |
288 | const struct attribute_group *groups[6]; | |
8a0795d9 | 289 | const int *freq_map; |
57bc3019 JG |
290 | unsigned int freq_map_size; |
291 | ||
1da177e4 LT |
292 | enum chips type; |
293 | ||
de248805 GR |
294 | bool has_vid5; /* true if VID5 is configured for ADT7463 or ADT7468 */ |
295 | ||
9a61bf63 | 296 | struct mutex update_lock; |
1da177e4 LT |
297 | int valid; /* !=0 if following fields are valid */ |
298 | unsigned long last_reading; /* In jiffies */ | |
299 | unsigned long last_config; /* In jiffies */ | |
300 | ||
301 | u8 in[8]; /* Register value */ | |
302 | u8 in_max[8]; /* Register value */ | |
303 | u8 in_min[8]; /* Register value */ | |
304 | s8 temp[3]; /* Register value */ | |
305 | s8 temp_min[3]; /* Register value */ | |
306 | s8 temp_max[3]; /* Register value */ | |
1da177e4 LT |
307 | u16 fan[4]; /* Register value */ |
308 | u16 fan_min[4]; /* Register value */ | |
309 | u8 pwm[3]; /* Register value */ | |
34e7dc6c | 310 | u8 pwm_freq[3]; /* Register encoding */ |
1da177e4 LT |
311 | u8 temp_ext[3]; /* Decoded values */ |
312 | u8 in_ext[8]; /* Decoded values */ | |
1da177e4 LT |
313 | u8 vid; /* Register value */ |
314 | u8 vrm; /* VRM version */ | |
1da177e4 | 315 | u32 alarms; /* Register encoding, combined */ |
79b92f2b | 316 | u8 cfg5; /* Config Register 5 on ADT7468 */ |
1da177e4 LT |
317 | struct lm85_autofan autofan[3]; |
318 | struct lm85_zone zone[3]; | |
319 | }; | |
320 | ||
6fd5dd58 AL |
321 | static int lm85_read_value(struct i2c_client *client, u8 reg) |
322 | { | |
323 | int res; | |
1da177e4 | 324 | |
6fd5dd58 AL |
325 | /* What size location is it? */ |
326 | switch (reg) { | |
327 | case LM85_REG_FAN(0): /* Read WORD data */ | |
328 | case LM85_REG_FAN(1): | |
329 | case LM85_REG_FAN(2): | |
330 | case LM85_REG_FAN(3): | |
331 | case LM85_REG_FAN_MIN(0): | |
332 | case LM85_REG_FAN_MIN(1): | |
333 | case LM85_REG_FAN_MIN(2): | |
334 | case LM85_REG_FAN_MIN(3): | |
335 | case LM85_REG_ALARM1: /* Read both bytes at once */ | |
336 | res = i2c_smbus_read_byte_data(client, reg) & 0xff; | |
337 | res |= i2c_smbus_read_byte_data(client, reg + 1) << 8; | |
338 | break; | |
339 | default: /* Read BYTE data */ | |
340 | res = i2c_smbus_read_byte_data(client, reg); | |
341 | break; | |
342 | } | |
1da177e4 | 343 | |
6fd5dd58 AL |
344 | return res; |
345 | } | |
1da177e4 | 346 | |
6fd5dd58 AL |
347 | static void lm85_write_value(struct i2c_client *client, u8 reg, int value) |
348 | { | |
349 | switch (reg) { | |
350 | case LM85_REG_FAN(0): /* Write WORD data */ | |
351 | case LM85_REG_FAN(1): | |
352 | case LM85_REG_FAN(2): | |
353 | case LM85_REG_FAN(3): | |
354 | case LM85_REG_FAN_MIN(0): | |
355 | case LM85_REG_FAN_MIN(1): | |
356 | case LM85_REG_FAN_MIN(2): | |
357 | case LM85_REG_FAN_MIN(3): | |
358 | /* NOTE: ALARM is read only, so not included here */ | |
359 | i2c_smbus_write_byte_data(client, reg, value & 0xff); | |
360 | i2c_smbus_write_byte_data(client, reg + 1, value >> 8); | |
361 | break; | |
362 | default: /* Write BYTE data */ | |
363 | i2c_smbus_write_byte_data(client, reg, value); | |
364 | break; | |
365 | } | |
366 | } | |
67712d01 | 367 | |
6fd5dd58 AL |
368 | static struct lm85_data *lm85_update_device(struct device *dev) |
369 | { | |
746f6884 AL |
370 | struct lm85_data *data = dev_get_drvdata(dev); |
371 | struct i2c_client *client = data->client; | |
6fd5dd58 AL |
372 | int i; |
373 | ||
374 | mutex_lock(&data->update_lock); | |
375 | ||
376 | if (!data->valid || | |
377 | time_after(jiffies, data->last_reading + LM85_DATA_INTERVAL)) { | |
378 | /* Things that change quickly */ | |
379 | dev_dbg(&client->dev, "Reading sensor values\n"); | |
380 | ||
381 | /* | |
382 | * Have to read extended bits first to "freeze" the | |
383 | * more significant bits that are read later. | |
384 | * There are 2 additional resolution bits per channel and we | |
385 | * have room for 4, so we shift them to the left. | |
386 | */ | |
387 | if (data->type == adm1027 || data->type == adt7463 || | |
388 | data->type == adt7468) { | |
389 | int ext1 = lm85_read_value(client, | |
390 | ADM1027_REG_EXTEND_ADC1); | |
391 | int ext2 = lm85_read_value(client, | |
392 | ADM1027_REG_EXTEND_ADC2); | |
393 | int val = (ext1 << 8) + ext2; | |
394 | ||
395 | for (i = 0; i <= 4; i++) | |
396 | data->in_ext[i] = | |
397 | ((val >> (i * 2)) & 0x03) << 2; | |
398 | ||
399 | for (i = 0; i <= 2; i++) | |
400 | data->temp_ext[i] = | |
401 | (val >> ((i + 4) * 2)) & 0x0c; | |
402 | } | |
403 | ||
404 | data->vid = lm85_read_value(client, LM85_REG_VID); | |
405 | ||
406 | for (i = 0; i <= 3; ++i) { | |
407 | data->in[i] = | |
408 | lm85_read_value(client, LM85_REG_IN(i)); | |
409 | data->fan[i] = | |
410 | lm85_read_value(client, LM85_REG_FAN(i)); | |
411 | } | |
412 | ||
413 | if (!data->has_vid5) | |
414 | data->in[4] = lm85_read_value(client, LM85_REG_IN(4)); | |
415 | ||
416 | if (data->type == adt7468) | |
417 | data->cfg5 = lm85_read_value(client, ADT7468_REG_CFG5); | |
418 | ||
419 | for (i = 0; i <= 2; ++i) { | |
420 | data->temp[i] = | |
421 | lm85_read_value(client, LM85_REG_TEMP(i)); | |
422 | data->pwm[i] = | |
423 | lm85_read_value(client, LM85_REG_PWM(i)); | |
1da177e4 | 424 | |
6fd5dd58 AL |
425 | if (IS_ADT7468_OFF64(data)) |
426 | data->temp[i] -= 64; | |
427 | } | |
428 | ||
429 | data->alarms = lm85_read_value(client, LM85_REG_ALARM1); | |
430 | ||
431 | if (data->type == emc6d100) { | |
432 | /* Three more voltage sensors */ | |
433 | for (i = 5; i <= 7; ++i) { | |
434 | data->in[i] = lm85_read_value(client, | |
435 | EMC6D100_REG_IN(i)); | |
436 | } | |
437 | /* More alarm bits */ | |
438 | data->alarms |= lm85_read_value(client, | |
439 | EMC6D100_REG_ALARM3) << 16; | |
440 | } else if (data->type == emc6d102 || data->type == emc6d103 || | |
441 | data->type == emc6d103s) { | |
442 | /* | |
443 | * Have to read LSB bits after the MSB ones because | |
444 | * the reading of the MSB bits has frozen the | |
445 | * LSBs (backward from the ADM1027). | |
446 | */ | |
447 | int ext1 = lm85_read_value(client, | |
448 | EMC6D102_REG_EXTEND_ADC1); | |
449 | int ext2 = lm85_read_value(client, | |
450 | EMC6D102_REG_EXTEND_ADC2); | |
451 | int ext3 = lm85_read_value(client, | |
452 | EMC6D102_REG_EXTEND_ADC3); | |
453 | int ext4 = lm85_read_value(client, | |
454 | EMC6D102_REG_EXTEND_ADC4); | |
455 | data->in_ext[0] = ext3 & 0x0f; | |
456 | data->in_ext[1] = ext4 & 0x0f; | |
457 | data->in_ext[2] = ext4 >> 4; | |
458 | data->in_ext[3] = ext3 >> 4; | |
459 | data->in_ext[4] = ext2 >> 4; | |
460 | ||
461 | data->temp_ext[0] = ext1 & 0x0f; | |
462 | data->temp_ext[1] = ext2 & 0x0f; | |
463 | data->temp_ext[2] = ext1 >> 4; | |
464 | } | |
465 | ||
466 | data->last_reading = jiffies; | |
467 | } /* last_reading */ | |
468 | ||
469 | if (!data->valid || | |
470 | time_after(jiffies, data->last_config + LM85_CONFIG_INTERVAL)) { | |
471 | /* Things that don't change often */ | |
472 | dev_dbg(&client->dev, "Reading config values\n"); | |
473 | ||
474 | for (i = 0; i <= 3; ++i) { | |
475 | data->in_min[i] = | |
476 | lm85_read_value(client, LM85_REG_IN_MIN(i)); | |
477 | data->in_max[i] = | |
478 | lm85_read_value(client, LM85_REG_IN_MAX(i)); | |
479 | data->fan_min[i] = | |
480 | lm85_read_value(client, LM85_REG_FAN_MIN(i)); | |
481 | } | |
482 | ||
483 | if (!data->has_vid5) { | |
484 | data->in_min[4] = lm85_read_value(client, | |
485 | LM85_REG_IN_MIN(4)); | |
486 | data->in_max[4] = lm85_read_value(client, | |
487 | LM85_REG_IN_MAX(4)); | |
488 | } | |
489 | ||
490 | if (data->type == emc6d100) { | |
491 | for (i = 5; i <= 7; ++i) { | |
492 | data->in_min[i] = lm85_read_value(client, | |
493 | EMC6D100_REG_IN_MIN(i)); | |
494 | data->in_max[i] = lm85_read_value(client, | |
495 | EMC6D100_REG_IN_MAX(i)); | |
496 | } | |
497 | } | |
498 | ||
499 | for (i = 0; i <= 2; ++i) { | |
500 | int val; | |
501 | ||
502 | data->temp_min[i] = | |
503 | lm85_read_value(client, LM85_REG_TEMP_MIN(i)); | |
504 | data->temp_max[i] = | |
505 | lm85_read_value(client, LM85_REG_TEMP_MAX(i)); | |
506 | ||
507 | data->autofan[i].config = | |
508 | lm85_read_value(client, LM85_REG_AFAN_CONFIG(i)); | |
509 | val = lm85_read_value(client, LM85_REG_AFAN_RANGE(i)); | |
57bc3019 | 510 | data->pwm_freq[i] = val % data->freq_map_size; |
6fd5dd58 AL |
511 | data->zone[i].range = val >> 4; |
512 | data->autofan[i].min_pwm = | |
513 | lm85_read_value(client, LM85_REG_AFAN_MINPWM(i)); | |
514 | data->zone[i].limit = | |
515 | lm85_read_value(client, LM85_REG_AFAN_LIMIT(i)); | |
516 | data->zone[i].critical = | |
517 | lm85_read_value(client, LM85_REG_AFAN_CRITICAL(i)); | |
518 | ||
519 | if (IS_ADT7468_OFF64(data)) { | |
520 | data->temp_min[i] -= 64; | |
521 | data->temp_max[i] -= 64; | |
522 | data->zone[i].limit -= 64; | |
523 | data->zone[i].critical -= 64; | |
524 | } | |
525 | } | |
526 | ||
527 | if (data->type != emc6d103s) { | |
528 | i = lm85_read_value(client, LM85_REG_AFAN_SPIKE1); | |
529 | data->autofan[0].min_off = (i & 0x20) != 0; | |
530 | data->autofan[1].min_off = (i & 0x40) != 0; | |
531 | data->autofan[2].min_off = (i & 0x80) != 0; | |
532 | ||
533 | i = lm85_read_value(client, LM85_REG_AFAN_HYST1); | |
534 | data->zone[0].hyst = i >> 4; | |
535 | data->zone[1].hyst = i & 0x0f; | |
536 | ||
537 | i = lm85_read_value(client, LM85_REG_AFAN_HYST2); | |
538 | data->zone[2].hyst = i >> 4; | |
539 | } | |
540 | ||
541 | data->last_config = jiffies; | |
542 | } /* last_config */ | |
543 | ||
544 | data->valid = 1; | |
545 | ||
546 | mutex_unlock(&data->update_lock); | |
547 | ||
548 | return data; | |
549 | } | |
1da177e4 LT |
550 | |
551 | /* 4 Fans */ | |
7bc85e49 GR |
552 | static ssize_t fan_show(struct device *dev, struct device_attribute *attr, |
553 | char *buf) | |
1da177e4 | 554 | { |
b353a487 | 555 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 556 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 557 | return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr])); |
1da177e4 | 558 | } |
b353a487 | 559 | |
7bc85e49 GR |
560 | static ssize_t fan_min_show(struct device *dev, struct device_attribute *attr, |
561 | char *buf) | |
1da177e4 | 562 | { |
b353a487 | 563 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 564 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 565 | return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr])); |
1da177e4 | 566 | } |
b353a487 | 567 | |
7bc85e49 GR |
568 | static ssize_t fan_min_store(struct device *dev, |
569 | struct device_attribute *attr, const char *buf, | |
570 | size_t count) | |
1da177e4 | 571 | { |
b353a487 | 572 | int nr = to_sensor_dev_attr(attr)->index; |
746f6884 AL |
573 | struct lm85_data *data = dev_get_drvdata(dev); |
574 | struct i2c_client *client = data->client; | |
09770b26 GR |
575 | unsigned long val; |
576 | int err; | |
577 | ||
578 | err = kstrtoul(buf, 10, &val); | |
579 | if (err) | |
580 | return err; | |
1da177e4 | 581 | |
9a61bf63 | 582 | mutex_lock(&data->update_lock); |
1da177e4 LT |
583 | data->fan_min[nr] = FAN_TO_REG(val); |
584 | lm85_write_value(client, LM85_REG_FAN_MIN(nr), data->fan_min[nr]); | |
9a61bf63 | 585 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
586 | return count; |
587 | } | |
588 | ||
7bc85e49 GR |
589 | static SENSOR_DEVICE_ATTR_RO(fan1_input, fan, 0); |
590 | static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0); | |
591 | static SENSOR_DEVICE_ATTR_RO(fan2_input, fan, 1); | |
592 | static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1); | |
593 | static SENSOR_DEVICE_ATTR_RO(fan3_input, fan, 2); | |
594 | static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2); | |
595 | static SENSOR_DEVICE_ATTR_RO(fan4_input, fan, 3); | |
596 | static SENSOR_DEVICE_ATTR_RW(fan4_min, fan_min, 3); | |
1da177e4 LT |
597 | |
598 | /* vid, vrm, alarms */ | |
599 | ||
d0ed69d5 JL |
600 | static ssize_t cpu0_vid_show(struct device *dev, |
601 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
602 | { |
603 | struct lm85_data *data = lm85_update_device(dev); | |
9c516ef4 JD |
604 | int vid; |
605 | ||
de248805 | 606 | if (data->has_vid5) { |
9c516ef4 JD |
607 | /* 6-pin VID (VRM 10) */ |
608 | vid = vid_from_reg(data->vid & 0x3f, data->vrm); | |
609 | } else { | |
610 | /* 5-pin VID (VRM 9) */ | |
611 | vid = vid_from_reg(data->vid & 0x1f, data->vrm); | |
612 | } | |
613 | ||
614 | return sprintf(buf, "%d\n", vid); | |
1da177e4 LT |
615 | } |
616 | ||
d0ed69d5 | 617 | static DEVICE_ATTR_RO(cpu0_vid); |
1da177e4 | 618 | |
d0ed69d5 JL |
619 | static ssize_t vrm_show(struct device *dev, struct device_attribute *attr, |
620 | char *buf) | |
1da177e4 | 621 | { |
90d6619a | 622 | struct lm85_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
623 | return sprintf(buf, "%ld\n", (long) data->vrm); |
624 | } | |
625 | ||
d0ed69d5 JL |
626 | static ssize_t vrm_store(struct device *dev, struct device_attribute *attr, |
627 | const char *buf, size_t count) | |
1da177e4 | 628 | { |
8f74efe8 | 629 | struct lm85_data *data = dev_get_drvdata(dev); |
09770b26 GR |
630 | unsigned long val; |
631 | int err; | |
632 | ||
633 | err = kstrtoul(buf, 10, &val); | |
634 | if (err) | |
635 | return err; | |
636 | ||
3248c3b7 GR |
637 | if (val > 255) |
638 | return -EINVAL; | |
639 | ||
09770b26 | 640 | data->vrm = val; |
1da177e4 LT |
641 | return count; |
642 | } | |
643 | ||
d0ed69d5 | 644 | static DEVICE_ATTR_RW(vrm); |
1da177e4 | 645 | |
d0ed69d5 JL |
646 | static ssize_t alarms_show(struct device *dev, struct device_attribute *attr, |
647 | char *buf) | |
1da177e4 LT |
648 | { |
649 | struct lm85_data *data = lm85_update_device(dev); | |
68188ba7 | 650 | return sprintf(buf, "%u\n", data->alarms); |
1da177e4 LT |
651 | } |
652 | ||
d0ed69d5 | 653 | static DEVICE_ATTR_RO(alarms); |
1da177e4 | 654 | |
7bc85e49 GR |
655 | static ssize_t alarm_show(struct device *dev, struct device_attribute *attr, |
656 | char *buf) | |
bf76e9d3 JD |
657 | { |
658 | int nr = to_sensor_dev_attr(attr)->index; | |
659 | struct lm85_data *data = lm85_update_device(dev); | |
660 | return sprintf(buf, "%u\n", (data->alarms >> nr) & 1); | |
661 | } | |
662 | ||
7bc85e49 GR |
663 | static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0); |
664 | static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1); | |
665 | static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2); | |
666 | static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3); | |
667 | static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 8); | |
668 | static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 18); | |
669 | static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 16); | |
670 | static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 17); | |
671 | static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 4); | |
672 | static SENSOR_DEVICE_ATTR_RO(temp1_fault, alarm, 14); | |
673 | static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 5); | |
674 | static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 6); | |
675 | static SENSOR_DEVICE_ATTR_RO(temp3_fault, alarm, 15); | |
676 | static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 10); | |
677 | static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 11); | |
678 | static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 12); | |
679 | static SENSOR_DEVICE_ATTR_RO(fan4_alarm, alarm, 13); | |
bf76e9d3 | 680 | |
1da177e4 LT |
681 | /* pwm */ |
682 | ||
7bc85e49 GR |
683 | static ssize_t pwm_show(struct device *dev, struct device_attribute *attr, |
684 | char *buf) | |
1da177e4 | 685 | { |
b353a487 | 686 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 687 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 688 | return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm[nr])); |
1da177e4 | 689 | } |
b353a487 | 690 | |
7bc85e49 GR |
691 | static ssize_t pwm_store(struct device *dev, struct device_attribute *attr, |
692 | const char *buf, size_t count) | |
1da177e4 | 693 | { |
b353a487 | 694 | int nr = to_sensor_dev_attr(attr)->index; |
746f6884 AL |
695 | struct lm85_data *data = dev_get_drvdata(dev); |
696 | struct i2c_client *client = data->client; | |
09770b26 GR |
697 | unsigned long val; |
698 | int err; | |
699 | ||
700 | err = kstrtoul(buf, 10, &val); | |
701 | if (err) | |
702 | return err; | |
1da177e4 | 703 | |
9a61bf63 | 704 | mutex_lock(&data->update_lock); |
1da177e4 LT |
705 | data->pwm[nr] = PWM_TO_REG(val); |
706 | lm85_write_value(client, LM85_REG_PWM(nr), data->pwm[nr]); | |
9a61bf63 | 707 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
708 | return count; |
709 | } | |
b353a487 | 710 | |
7bc85e49 GR |
711 | static ssize_t pwm_enable_show(struct device *dev, |
712 | struct device_attribute *attr, char *buf) | |
1da177e4 | 713 | { |
b353a487 | 714 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 715 | struct lm85_data *data = lm85_update_device(dev); |
4b4df95d | 716 | int pwm_zone, enable; |
1da177e4 LT |
717 | |
718 | pwm_zone = ZONE_FROM_REG(data->autofan[nr].config); | |
4b4df95d JD |
719 | switch (pwm_zone) { |
720 | case -1: /* PWM is always at 100% */ | |
721 | enable = 0; | |
722 | break; | |
723 | case 0: /* PWM is always at 0% */ | |
724 | case -2: /* PWM responds to manual control */ | |
725 | enable = 1; | |
726 | break; | |
727 | default: /* PWM in automatic mode */ | |
728 | enable = 2; | |
729 | } | |
730 | return sprintf(buf, "%d\n", enable); | |
1da177e4 LT |
731 | } |
732 | ||
7bc85e49 GR |
733 | static ssize_t pwm_enable_store(struct device *dev, |
734 | struct device_attribute *attr, | |
735 | const char *buf, size_t count) | |
455f791e JD |
736 | { |
737 | int nr = to_sensor_dev_attr(attr)->index; | |
746f6884 AL |
738 | struct lm85_data *data = dev_get_drvdata(dev); |
739 | struct i2c_client *client = data->client; | |
455f791e | 740 | u8 config; |
09770b26 GR |
741 | unsigned long val; |
742 | int err; | |
743 | ||
744 | err = kstrtoul(buf, 10, &val); | |
745 | if (err) | |
746 | return err; | |
455f791e JD |
747 | |
748 | switch (val) { | |
749 | case 0: | |
750 | config = 3; | |
751 | break; | |
752 | case 1: | |
753 | config = 7; | |
754 | break; | |
755 | case 2: | |
09770b26 GR |
756 | /* |
757 | * Here we have to choose arbitrarily one of the 5 possible | |
758 | * configurations; I go for the safest | |
759 | */ | |
455f791e JD |
760 | config = 6; |
761 | break; | |
762 | default: | |
763 | return -EINVAL; | |
764 | } | |
765 | ||
766 | mutex_lock(&data->update_lock); | |
767 | data->autofan[nr].config = lm85_read_value(client, | |
768 | LM85_REG_AFAN_CONFIG(nr)); | |
769 | data->autofan[nr].config = (data->autofan[nr].config & ~0xe0) | |
770 | | (config << 5); | |
771 | lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr), | |
772 | data->autofan[nr].config); | |
773 | mutex_unlock(&data->update_lock); | |
774 | return count; | |
775 | } | |
776 | ||
7bc85e49 GR |
777 | static ssize_t pwm_freq_show(struct device *dev, |
778 | struct device_attribute *attr, char *buf) | |
34e7dc6c JD |
779 | { |
780 | int nr = to_sensor_dev_attr(attr)->index; | |
781 | struct lm85_data *data = lm85_update_device(dev); | |
f6c61cff JD |
782 | int freq; |
783 | ||
784 | if (IS_ADT7468_HFPWM(data)) | |
785 | freq = 22500; | |
786 | else | |
57bc3019 JG |
787 | freq = FREQ_FROM_REG(data->freq_map, data->freq_map_size, |
788 | data->pwm_freq[nr]); | |
f6c61cff JD |
789 | |
790 | return sprintf(buf, "%d\n", freq); | |
34e7dc6c JD |
791 | } |
792 | ||
7bc85e49 GR |
793 | static ssize_t pwm_freq_store(struct device *dev, |
794 | struct device_attribute *attr, const char *buf, | |
795 | size_t count) | |
34e7dc6c JD |
796 | { |
797 | int nr = to_sensor_dev_attr(attr)->index; | |
746f6884 AL |
798 | struct lm85_data *data = dev_get_drvdata(dev); |
799 | struct i2c_client *client = data->client; | |
09770b26 GR |
800 | unsigned long val; |
801 | int err; | |
802 | ||
803 | err = kstrtoul(buf, 10, &val); | |
804 | if (err) | |
805 | return err; | |
34e7dc6c JD |
806 | |
807 | mutex_lock(&data->update_lock); | |
09770b26 GR |
808 | /* |
809 | * The ADT7468 has a special high-frequency PWM output mode, | |
f6c61cff | 810 | * where all PWM outputs are driven by a 22.5 kHz clock. |
09770b26 GR |
811 | * This might confuse the user, but there's not much we can do. |
812 | */ | |
f6c61cff JD |
813 | if (data->type == adt7468 && val >= 11300) { /* High freq. mode */ |
814 | data->cfg5 &= ~ADT7468_HFPWM; | |
815 | lm85_write_value(client, ADT7468_REG_CFG5, data->cfg5); | |
816 | } else { /* Low freq. mode */ | |
0f3721c5 | 817 | data->pwm_freq[nr] = FREQ_TO_REG(data->freq_map, |
57bc3019 | 818 | data->freq_map_size, val); |
f6c61cff JD |
819 | lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), |
820 | (data->zone[nr].range << 4) | |
821 | | data->pwm_freq[nr]); | |
822 | if (data->type == adt7468) { | |
823 | data->cfg5 |= ADT7468_HFPWM; | |
824 | lm85_write_value(client, ADT7468_REG_CFG5, data->cfg5); | |
825 | } | |
826 | } | |
34e7dc6c JD |
827 | mutex_unlock(&data->update_lock); |
828 | return count; | |
829 | } | |
830 | ||
7bc85e49 GR |
831 | static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0); |
832 | static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0); | |
833 | static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0); | |
834 | static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1); | |
835 | static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1); | |
836 | static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1); | |
837 | static SENSOR_DEVICE_ATTR_RW(pwm3, pwm, 2); | |
838 | static SENSOR_DEVICE_ATTR_RW(pwm3_enable, pwm_enable, 2); | |
839 | static SENSOR_DEVICE_ATTR_RW(pwm3_freq, pwm_freq, 2); | |
1da177e4 LT |
840 | |
841 | /* Voltages */ | |
842 | ||
7bc85e49 GR |
843 | static ssize_t in_show(struct device *dev, struct device_attribute *attr, |
844 | char *buf) | |
1da177e4 | 845 | { |
b353a487 | 846 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 847 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a JD |
848 | return sprintf(buf, "%d\n", INSEXT_FROM_REG(nr, data->in[nr], |
849 | data->in_ext[nr])); | |
1da177e4 | 850 | } |
b353a487 | 851 | |
7bc85e49 GR |
852 | static ssize_t in_min_show(struct device *dev, struct device_attribute *attr, |
853 | char *buf) | |
1da177e4 | 854 | { |
b353a487 | 855 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 856 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 857 | return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_min[nr])); |
1da177e4 | 858 | } |
b353a487 | 859 | |
7bc85e49 GR |
860 | static ssize_t in_min_store(struct device *dev, struct device_attribute *attr, |
861 | const char *buf, size_t count) | |
1da177e4 | 862 | { |
b353a487 | 863 | int nr = to_sensor_dev_attr(attr)->index; |
746f6884 AL |
864 | struct lm85_data *data = dev_get_drvdata(dev); |
865 | struct i2c_client *client = data->client; | |
09770b26 GR |
866 | long val; |
867 | int err; | |
868 | ||
869 | err = kstrtol(buf, 10, &val); | |
870 | if (err) | |
871 | return err; | |
1da177e4 | 872 | |
9a61bf63 | 873 | mutex_lock(&data->update_lock); |
1da177e4 LT |
874 | data->in_min[nr] = INS_TO_REG(nr, val); |
875 | lm85_write_value(client, LM85_REG_IN_MIN(nr), data->in_min[nr]); | |
9a61bf63 | 876 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
877 | return count; |
878 | } | |
b353a487 | 879 | |
7bc85e49 GR |
880 | static ssize_t in_max_show(struct device *dev, struct device_attribute *attr, |
881 | char *buf) | |
1da177e4 | 882 | { |
b353a487 | 883 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 884 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 885 | return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_max[nr])); |
1da177e4 | 886 | } |
b353a487 | 887 | |
7bc85e49 GR |
888 | static ssize_t in_max_store(struct device *dev, struct device_attribute *attr, |
889 | const char *buf, size_t count) | |
1da177e4 | 890 | { |
b353a487 | 891 | int nr = to_sensor_dev_attr(attr)->index; |
746f6884 AL |
892 | struct lm85_data *data = dev_get_drvdata(dev); |
893 | struct i2c_client *client = data->client; | |
09770b26 GR |
894 | long val; |
895 | int err; | |
896 | ||
897 | err = kstrtol(buf, 10, &val); | |
898 | if (err) | |
899 | return err; | |
1da177e4 | 900 | |
9a61bf63 | 901 | mutex_lock(&data->update_lock); |
1da177e4 LT |
902 | data->in_max[nr] = INS_TO_REG(nr, val); |
903 | lm85_write_value(client, LM85_REG_IN_MAX(nr), data->in_max[nr]); | |
9a61bf63 | 904 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
905 | return count; |
906 | } | |
b353a487 | 907 | |
7bc85e49 GR |
908 | static SENSOR_DEVICE_ATTR_RO(in0_input, in, 0); |
909 | static SENSOR_DEVICE_ATTR_RW(in0_min, in_min, 0); | |
910 | static SENSOR_DEVICE_ATTR_RW(in0_max, in_max, 0); | |
911 | static SENSOR_DEVICE_ATTR_RO(in1_input, in, 1); | |
912 | static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1); | |
913 | static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1); | |
914 | static SENSOR_DEVICE_ATTR_RO(in2_input, in, 2); | |
915 | static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2); | |
916 | static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2); | |
917 | static SENSOR_DEVICE_ATTR_RO(in3_input, in, 3); | |
918 | static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3); | |
919 | static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3); | |
920 | static SENSOR_DEVICE_ATTR_RO(in4_input, in, 4); | |
921 | static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4); | |
922 | static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4); | |
923 | static SENSOR_DEVICE_ATTR_RO(in5_input, in, 5); | |
924 | static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5); | |
925 | static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5); | |
926 | static SENSOR_DEVICE_ATTR_RO(in6_input, in, 6); | |
927 | static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6); | |
928 | static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6); | |
929 | static SENSOR_DEVICE_ATTR_RO(in7_input, in, 7); | |
930 | static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7); | |
931 | static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7); | |
1da177e4 LT |
932 | |
933 | /* Temps */ | |
934 | ||
7bc85e49 GR |
935 | static ssize_t temp_show(struct device *dev, struct device_attribute *attr, |
936 | char *buf) | |
1da177e4 | 937 | { |
b353a487 | 938 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 939 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a JD |
940 | return sprintf(buf, "%d\n", TEMPEXT_FROM_REG(data->temp[nr], |
941 | data->temp_ext[nr])); | |
1da177e4 | 942 | } |
b353a487 | 943 | |
7bc85e49 GR |
944 | static ssize_t temp_min_show(struct device *dev, |
945 | struct device_attribute *attr, char *buf) | |
1da177e4 | 946 | { |
b353a487 | 947 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 948 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 949 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr])); |
1da177e4 | 950 | } |
b353a487 | 951 | |
7bc85e49 GR |
952 | static ssize_t temp_min_store(struct device *dev, |
953 | struct device_attribute *attr, const char *buf, | |
954 | size_t count) | |
1da177e4 | 955 | { |
b353a487 | 956 | int nr = to_sensor_dev_attr(attr)->index; |
746f6884 AL |
957 | struct lm85_data *data = dev_get_drvdata(dev); |
958 | struct i2c_client *client = data->client; | |
09770b26 GR |
959 | long val; |
960 | int err; | |
961 | ||
962 | err = kstrtol(buf, 10, &val); | |
963 | if (err) | |
964 | return err; | |
1da177e4 | 965 | |
79b92f2b DW |
966 | if (IS_ADT7468_OFF64(data)) |
967 | val += 64; | |
968 | ||
9a61bf63 | 969 | mutex_lock(&data->update_lock); |
1da177e4 LT |
970 | data->temp_min[nr] = TEMP_TO_REG(val); |
971 | lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]); | |
9a61bf63 | 972 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
973 | return count; |
974 | } | |
b353a487 | 975 | |
7bc85e49 GR |
976 | static ssize_t temp_max_show(struct device *dev, |
977 | struct device_attribute *attr, char *buf) | |
1da177e4 | 978 | { |
b353a487 | 979 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 980 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 981 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr])); |
1da177e4 | 982 | } |
b353a487 | 983 | |
7bc85e49 GR |
984 | static ssize_t temp_max_store(struct device *dev, |
985 | struct device_attribute *attr, const char *buf, | |
986 | size_t count) | |
1da177e4 | 987 | { |
b353a487 | 988 | int nr = to_sensor_dev_attr(attr)->index; |
746f6884 AL |
989 | struct lm85_data *data = dev_get_drvdata(dev); |
990 | struct i2c_client *client = data->client; | |
09770b26 GR |
991 | long val; |
992 | int err; | |
993 | ||
994 | err = kstrtol(buf, 10, &val); | |
995 | if (err) | |
996 | return err; | |
1da177e4 | 997 | |
79b92f2b DW |
998 | if (IS_ADT7468_OFF64(data)) |
999 | val += 64; | |
1000 | ||
9a61bf63 | 1001 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1002 | data->temp_max[nr] = TEMP_TO_REG(val); |
1003 | lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]); | |
9a61bf63 | 1004 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1005 | return count; |
1006 | } | |
b353a487 | 1007 | |
7bc85e49 GR |
1008 | static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0); |
1009 | static SENSOR_DEVICE_ATTR_RW(temp1_min, temp_min, 0); | |
1010 | static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0); | |
1011 | static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1); | |
1012 | static SENSOR_DEVICE_ATTR_RW(temp2_min, temp_min, 1); | |
1013 | static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1); | |
1014 | static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2); | |
1015 | static SENSOR_DEVICE_ATTR_RW(temp3_min, temp_min, 2); | |
1016 | static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2); | |
1da177e4 LT |
1017 | |
1018 | /* Automatic PWM control */ | |
1019 | ||
7bc85e49 GR |
1020 | static ssize_t pwm_auto_channels_show(struct device *dev, |
1021 | struct device_attribute *attr, | |
1022 | char *buf) | |
1da177e4 | 1023 | { |
b353a487 | 1024 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 1025 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 1026 | return sprintf(buf, "%d\n", ZONE_FROM_REG(data->autofan[nr].config)); |
1da177e4 | 1027 | } |
b353a487 | 1028 | |
7bc85e49 GR |
1029 | static ssize_t pwm_auto_channels_store(struct device *dev, |
1030 | struct device_attribute *attr, | |
1031 | const char *buf, size_t count) | |
1da177e4 | 1032 | { |
b353a487 | 1033 | int nr = to_sensor_dev_attr(attr)->index; |
746f6884 AL |
1034 | struct lm85_data *data = dev_get_drvdata(dev); |
1035 | struct i2c_client *client = data->client; | |
09770b26 GR |
1036 | long val; |
1037 | int err; | |
1038 | ||
1039 | err = kstrtol(buf, 10, &val); | |
1040 | if (err) | |
1041 | return err; | |
1da177e4 | 1042 | |
9a61bf63 | 1043 | mutex_lock(&data->update_lock); |
1da177e4 | 1044 | data->autofan[nr].config = (data->autofan[nr].config & (~0xe0)) |
1f44809a | 1045 | | ZONE_TO_REG(val); |
1da177e4 LT |
1046 | lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr), |
1047 | data->autofan[nr].config); | |
9a61bf63 | 1048 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1049 | return count; |
1050 | } | |
b353a487 | 1051 | |
7bc85e49 GR |
1052 | static ssize_t pwm_auto_pwm_min_show(struct device *dev, |
1053 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1054 | { |
b353a487 | 1055 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 1056 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 1057 | return sprintf(buf, "%d\n", PWM_FROM_REG(data->autofan[nr].min_pwm)); |
1da177e4 | 1058 | } |
b353a487 | 1059 | |
7bc85e49 GR |
1060 | static ssize_t pwm_auto_pwm_min_store(struct device *dev, |
1061 | struct device_attribute *attr, | |
1062 | const char *buf, size_t count) | |
1da177e4 | 1063 | { |
b353a487 | 1064 | int nr = to_sensor_dev_attr(attr)->index; |
746f6884 AL |
1065 | struct lm85_data *data = dev_get_drvdata(dev); |
1066 | struct i2c_client *client = data->client; | |
09770b26 GR |
1067 | unsigned long val; |
1068 | int err; | |
1069 | ||
1070 | err = kstrtoul(buf, 10, &val); | |
1071 | if (err) | |
1072 | return err; | |
1da177e4 | 1073 | |
9a61bf63 | 1074 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1075 | data->autofan[nr].min_pwm = PWM_TO_REG(val); |
1076 | lm85_write_value(client, LM85_REG_AFAN_MINPWM(nr), | |
1077 | data->autofan[nr].min_pwm); | |
9a61bf63 | 1078 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1079 | return count; |
1080 | } | |
b353a487 | 1081 | |
7bc85e49 GR |
1082 | static ssize_t pwm_auto_pwm_minctl_show(struct device *dev, |
1083 | struct device_attribute *attr, | |
1084 | char *buf) | |
1da177e4 | 1085 | { |
b353a487 | 1086 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 1087 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 1088 | return sprintf(buf, "%d\n", data->autofan[nr].min_off); |
1da177e4 | 1089 | } |
b353a487 | 1090 | |
7bc85e49 GR |
1091 | static ssize_t pwm_auto_pwm_minctl_store(struct device *dev, |
1092 | struct device_attribute *attr, | |
1093 | const char *buf, size_t count) | |
1da177e4 | 1094 | { |
b353a487 | 1095 | int nr = to_sensor_dev_attr(attr)->index; |
746f6884 AL |
1096 | struct lm85_data *data = dev_get_drvdata(dev); |
1097 | struct i2c_client *client = data->client; | |
7133e56f | 1098 | u8 tmp; |
09770b26 GR |
1099 | long val; |
1100 | int err; | |
1101 | ||
1102 | err = kstrtol(buf, 10, &val); | |
1103 | if (err) | |
1104 | return err; | |
1da177e4 | 1105 | |
9a61bf63 | 1106 | mutex_lock(&data->update_lock); |
1da177e4 | 1107 | data->autofan[nr].min_off = val; |
7133e56f JD |
1108 | tmp = lm85_read_value(client, LM85_REG_AFAN_SPIKE1); |
1109 | tmp &= ~(0x20 << nr); | |
1110 | if (data->autofan[nr].min_off) | |
1111 | tmp |= 0x20 << nr; | |
1112 | lm85_write_value(client, LM85_REG_AFAN_SPIKE1, tmp); | |
9a61bf63 | 1113 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1114 | return count; |
1115 | } | |
b353a487 | 1116 | |
7bc85e49 GR |
1117 | static SENSOR_DEVICE_ATTR_RW(pwm1_auto_channels, pwm_auto_channels, 0); |
1118 | static SENSOR_DEVICE_ATTR_RW(pwm1_auto_pwm_min, pwm_auto_pwm_min, 0); | |
1119 | static SENSOR_DEVICE_ATTR_RW(pwm1_auto_pwm_minctl, pwm_auto_pwm_minctl, 0); | |
1120 | static SENSOR_DEVICE_ATTR_RW(pwm2_auto_channels, pwm_auto_channels, 1); | |
1121 | static SENSOR_DEVICE_ATTR_RW(pwm2_auto_pwm_min, pwm_auto_pwm_min, 1); | |
1122 | static SENSOR_DEVICE_ATTR_RW(pwm2_auto_pwm_minctl, pwm_auto_pwm_minctl, 1); | |
1123 | static SENSOR_DEVICE_ATTR_RW(pwm3_auto_channels, pwm_auto_channels, 2); | |
1124 | static SENSOR_DEVICE_ATTR_RW(pwm3_auto_pwm_min, pwm_auto_pwm_min, 2); | |
1125 | static SENSOR_DEVICE_ATTR_RW(pwm3_auto_pwm_minctl, pwm_auto_pwm_minctl, 2); | |
1da177e4 LT |
1126 | |
1127 | /* Temperature settings for automatic PWM control */ | |
1128 | ||
7bc85e49 GR |
1129 | static ssize_t temp_auto_temp_off_show(struct device *dev, |
1130 | struct device_attribute *attr, | |
1131 | char *buf) | |
1da177e4 | 1132 | { |
b353a487 | 1133 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 1134 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 1135 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].limit) - |
1da177e4 LT |
1136 | HYST_FROM_REG(data->zone[nr].hyst)); |
1137 | } | |
b353a487 | 1138 | |
7bc85e49 GR |
1139 | static ssize_t temp_auto_temp_off_store(struct device *dev, |
1140 | struct device_attribute *attr, | |
1141 | const char *buf, size_t count) | |
1da177e4 | 1142 | { |
b353a487 | 1143 | int nr = to_sensor_dev_attr(attr)->index; |
746f6884 AL |
1144 | struct lm85_data *data = dev_get_drvdata(dev); |
1145 | struct i2c_client *client = data->client; | |
1da177e4 | 1146 | int min; |
09770b26 GR |
1147 | long val; |
1148 | int err; | |
1149 | ||
1150 | err = kstrtol(buf, 10, &val); | |
1151 | if (err) | |
1152 | return err; | |
1da177e4 | 1153 | |
9a61bf63 | 1154 | mutex_lock(&data->update_lock); |
1da177e4 | 1155 | min = TEMP_FROM_REG(data->zone[nr].limit); |
1da177e4 | 1156 | data->zone[nr].hyst = HYST_TO_REG(min - val); |
1f44809a | 1157 | if (nr == 0 || nr == 1) { |
1da177e4 LT |
1158 | lm85_write_value(client, LM85_REG_AFAN_HYST1, |
1159 | (data->zone[0].hyst << 4) | |
1f44809a | 1160 | | data->zone[1].hyst); |
1da177e4 LT |
1161 | } else { |
1162 | lm85_write_value(client, LM85_REG_AFAN_HYST2, | |
1f44809a | 1163 | (data->zone[2].hyst << 4)); |
1da177e4 | 1164 | } |
9a61bf63 | 1165 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1166 | return count; |
1167 | } | |
b353a487 | 1168 | |
7bc85e49 GR |
1169 | static ssize_t temp_auto_temp_min_show(struct device *dev, |
1170 | struct device_attribute *attr, | |
1171 | char *buf) | |
1da177e4 | 1172 | { |
b353a487 | 1173 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 1174 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 1175 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].limit)); |
1da177e4 | 1176 | } |
b353a487 | 1177 | |
7bc85e49 GR |
1178 | static ssize_t temp_auto_temp_min_store(struct device *dev, |
1179 | struct device_attribute *attr, | |
1180 | const char *buf, size_t count) | |
1da177e4 | 1181 | { |
b353a487 | 1182 | int nr = to_sensor_dev_attr(attr)->index; |
746f6884 AL |
1183 | struct lm85_data *data = dev_get_drvdata(dev); |
1184 | struct i2c_client *client = data->client; | |
09770b26 GR |
1185 | long val; |
1186 | int err; | |
1187 | ||
1188 | err = kstrtol(buf, 10, &val); | |
1189 | if (err) | |
1190 | return err; | |
1da177e4 | 1191 | |
9a61bf63 | 1192 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1193 | data->zone[nr].limit = TEMP_TO_REG(val); |
1194 | lm85_write_value(client, LM85_REG_AFAN_LIMIT(nr), | |
1195 | data->zone[nr].limit); | |
1196 | ||
1197 | /* Update temp_auto_max and temp_auto_range */ | |
1198 | data->zone[nr].range = RANGE_TO_REG( | |
1199 | TEMP_FROM_REG(data->zone[nr].max_desired) - | |
1200 | TEMP_FROM_REG(data->zone[nr].limit)); | |
1201 | lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), | |
1202 | ((data->zone[nr].range & 0x0f) << 4) | |
57bc3019 | 1203 | | data->pwm_freq[nr]); |
1da177e4 | 1204 | |
9a61bf63 | 1205 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1206 | return count; |
1207 | } | |
b353a487 | 1208 | |
7bc85e49 GR |
1209 | static ssize_t temp_auto_temp_max_show(struct device *dev, |
1210 | struct device_attribute *attr, | |
1211 | char *buf) | |
1da177e4 | 1212 | { |
b353a487 | 1213 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 1214 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 1215 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].limit) + |
1da177e4 LT |
1216 | RANGE_FROM_REG(data->zone[nr].range)); |
1217 | } | |
b353a487 | 1218 | |
7bc85e49 GR |
1219 | static ssize_t temp_auto_temp_max_store(struct device *dev, |
1220 | struct device_attribute *attr, | |
1221 | const char *buf, size_t count) | |
1da177e4 | 1222 | { |
b353a487 | 1223 | int nr = to_sensor_dev_attr(attr)->index; |
746f6884 AL |
1224 | struct lm85_data *data = dev_get_drvdata(dev); |
1225 | struct i2c_client *client = data->client; | |
1da177e4 | 1226 | int min; |
09770b26 GR |
1227 | long val; |
1228 | int err; | |
1229 | ||
1230 | err = kstrtol(buf, 10, &val); | |
1231 | if (err) | |
1232 | return err; | |
1da177e4 | 1233 | |
9a61bf63 | 1234 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1235 | min = TEMP_FROM_REG(data->zone[nr].limit); |
1236 | data->zone[nr].max_desired = TEMP_TO_REG(val); | |
1237 | data->zone[nr].range = RANGE_TO_REG( | |
1238 | val - min); | |
1239 | lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), | |
1240 | ((data->zone[nr].range & 0x0f) << 4) | |
57bc3019 | 1241 | | data->pwm_freq[nr]); |
9a61bf63 | 1242 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1243 | return count; |
1244 | } | |
b353a487 | 1245 | |
7bc85e49 GR |
1246 | static ssize_t temp_auto_temp_crit_show(struct device *dev, |
1247 | struct device_attribute *attr, | |
1248 | char *buf) | |
1da177e4 | 1249 | { |
b353a487 | 1250 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 1251 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 1252 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].critical)); |
1da177e4 | 1253 | } |
b353a487 | 1254 | |
7bc85e49 GR |
1255 | static ssize_t temp_auto_temp_crit_store(struct device *dev, |
1256 | struct device_attribute *attr, | |
1257 | const char *buf, size_t count) | |
1da177e4 | 1258 | { |
b353a487 | 1259 | int nr = to_sensor_dev_attr(attr)->index; |
746f6884 AL |
1260 | struct lm85_data *data = dev_get_drvdata(dev); |
1261 | struct i2c_client *client = data->client; | |
09770b26 GR |
1262 | long val; |
1263 | int err; | |
1264 | ||
1265 | err = kstrtol(buf, 10, &val); | |
1266 | if (err) | |
1267 | return err; | |
1da177e4 | 1268 | |
9a61bf63 | 1269 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1270 | data->zone[nr].critical = TEMP_TO_REG(val); |
1271 | lm85_write_value(client, LM85_REG_AFAN_CRITICAL(nr), | |
1272 | data->zone[nr].critical); | |
9a61bf63 | 1273 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1274 | return count; |
1275 | } | |
b353a487 | 1276 | |
7bc85e49 GR |
1277 | static SENSOR_DEVICE_ATTR_RW(temp1_auto_temp_off, temp_auto_temp_off, 0); |
1278 | static SENSOR_DEVICE_ATTR_RW(temp1_auto_temp_min, temp_auto_temp_min, 0); | |
1279 | static SENSOR_DEVICE_ATTR_RW(temp1_auto_temp_max, temp_auto_temp_max, 0); | |
1280 | static SENSOR_DEVICE_ATTR_RW(temp1_auto_temp_crit, temp_auto_temp_crit, 0); | |
1281 | static SENSOR_DEVICE_ATTR_RW(temp2_auto_temp_off, temp_auto_temp_off, 1); | |
1282 | static SENSOR_DEVICE_ATTR_RW(temp2_auto_temp_min, temp_auto_temp_min, 1); | |
1283 | static SENSOR_DEVICE_ATTR_RW(temp2_auto_temp_max, temp_auto_temp_max, 1); | |
1284 | static SENSOR_DEVICE_ATTR_RW(temp2_auto_temp_crit, temp_auto_temp_crit, 1); | |
1285 | static SENSOR_DEVICE_ATTR_RW(temp3_auto_temp_off, temp_auto_temp_off, 2); | |
1286 | static SENSOR_DEVICE_ATTR_RW(temp3_auto_temp_min, temp_auto_temp_min, 2); | |
1287 | static SENSOR_DEVICE_ATTR_RW(temp3_auto_temp_max, temp_auto_temp_max, 2); | |
1288 | static SENSOR_DEVICE_ATTR_RW(temp3_auto_temp_crit, temp_auto_temp_crit, 2); | |
1da177e4 | 1289 | |
0501a381 | 1290 | static struct attribute *lm85_attributes[] = { |
b353a487 JD |
1291 | &sensor_dev_attr_fan1_input.dev_attr.attr, |
1292 | &sensor_dev_attr_fan2_input.dev_attr.attr, | |
1293 | &sensor_dev_attr_fan3_input.dev_attr.attr, | |
1294 | &sensor_dev_attr_fan4_input.dev_attr.attr, | |
1295 | &sensor_dev_attr_fan1_min.dev_attr.attr, | |
1296 | &sensor_dev_attr_fan2_min.dev_attr.attr, | |
1297 | &sensor_dev_attr_fan3_min.dev_attr.attr, | |
1298 | &sensor_dev_attr_fan4_min.dev_attr.attr, | |
bf76e9d3 JD |
1299 | &sensor_dev_attr_fan1_alarm.dev_attr.attr, |
1300 | &sensor_dev_attr_fan2_alarm.dev_attr.attr, | |
1301 | &sensor_dev_attr_fan3_alarm.dev_attr.attr, | |
1302 | &sensor_dev_attr_fan4_alarm.dev_attr.attr, | |
b353a487 JD |
1303 | |
1304 | &sensor_dev_attr_pwm1.dev_attr.attr, | |
1305 | &sensor_dev_attr_pwm2.dev_attr.attr, | |
1306 | &sensor_dev_attr_pwm3.dev_attr.attr, | |
1307 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
1308 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, | |
1309 | &sensor_dev_attr_pwm3_enable.dev_attr.attr, | |
34e7dc6c JD |
1310 | &sensor_dev_attr_pwm1_freq.dev_attr.attr, |
1311 | &sensor_dev_attr_pwm2_freq.dev_attr.attr, | |
1312 | &sensor_dev_attr_pwm3_freq.dev_attr.attr, | |
b353a487 JD |
1313 | |
1314 | &sensor_dev_attr_in0_input.dev_attr.attr, | |
1315 | &sensor_dev_attr_in1_input.dev_attr.attr, | |
1316 | &sensor_dev_attr_in2_input.dev_attr.attr, | |
1317 | &sensor_dev_attr_in3_input.dev_attr.attr, | |
1318 | &sensor_dev_attr_in0_min.dev_attr.attr, | |
1319 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
1320 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
1321 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
1322 | &sensor_dev_attr_in0_max.dev_attr.attr, | |
1323 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
1324 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
1325 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
bf76e9d3 JD |
1326 | &sensor_dev_attr_in0_alarm.dev_attr.attr, |
1327 | &sensor_dev_attr_in1_alarm.dev_attr.attr, | |
1328 | &sensor_dev_attr_in2_alarm.dev_attr.attr, | |
1329 | &sensor_dev_attr_in3_alarm.dev_attr.attr, | |
b353a487 JD |
1330 | |
1331 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
1332 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
1333 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
1334 | &sensor_dev_attr_temp1_min.dev_attr.attr, | |
1335 | &sensor_dev_attr_temp2_min.dev_attr.attr, | |
1336 | &sensor_dev_attr_temp3_min.dev_attr.attr, | |
1337 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
1338 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
1339 | &sensor_dev_attr_temp3_max.dev_attr.attr, | |
bf76e9d3 JD |
1340 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, |
1341 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, | |
1342 | &sensor_dev_attr_temp3_alarm.dev_attr.attr, | |
1343 | &sensor_dev_attr_temp1_fault.dev_attr.attr, | |
1344 | &sensor_dev_attr_temp3_fault.dev_attr.attr, | |
b353a487 JD |
1345 | |
1346 | &sensor_dev_attr_pwm1_auto_channels.dev_attr.attr, | |
1347 | &sensor_dev_attr_pwm2_auto_channels.dev_attr.attr, | |
1348 | &sensor_dev_attr_pwm3_auto_channels.dev_attr.attr, | |
1349 | &sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr, | |
1350 | &sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr, | |
1351 | &sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr, | |
b353a487 | 1352 | |
b353a487 JD |
1353 | &sensor_dev_attr_temp1_auto_temp_min.dev_attr.attr, |
1354 | &sensor_dev_attr_temp2_auto_temp_min.dev_attr.attr, | |
1355 | &sensor_dev_attr_temp3_auto_temp_min.dev_attr.attr, | |
1356 | &sensor_dev_attr_temp1_auto_temp_max.dev_attr.attr, | |
1357 | &sensor_dev_attr_temp2_auto_temp_max.dev_attr.attr, | |
1358 | &sensor_dev_attr_temp3_auto_temp_max.dev_attr.attr, | |
1359 | &sensor_dev_attr_temp1_auto_temp_crit.dev_attr.attr, | |
1360 | &sensor_dev_attr_temp2_auto_temp_crit.dev_attr.attr, | |
1361 | &sensor_dev_attr_temp3_auto_temp_crit.dev_attr.attr, | |
1362 | ||
0501a381 MH |
1363 | &dev_attr_vrm.attr, |
1364 | &dev_attr_cpu0_vid.attr, | |
1365 | &dev_attr_alarms.attr, | |
0501a381 MH |
1366 | NULL |
1367 | }; | |
1368 | ||
1369 | static const struct attribute_group lm85_group = { | |
1370 | .attrs = lm85_attributes, | |
1371 | }; | |
1372 | ||
06923f84 GR |
1373 | static struct attribute *lm85_attributes_minctl[] = { |
1374 | &sensor_dev_attr_pwm1_auto_pwm_minctl.dev_attr.attr, | |
1375 | &sensor_dev_attr_pwm2_auto_pwm_minctl.dev_attr.attr, | |
1376 | &sensor_dev_attr_pwm3_auto_pwm_minctl.dev_attr.attr, | |
5f441e22 | 1377 | NULL |
06923f84 GR |
1378 | }; |
1379 | ||
1380 | static const struct attribute_group lm85_group_minctl = { | |
1381 | .attrs = lm85_attributes_minctl, | |
1382 | }; | |
1383 | ||
1384 | static struct attribute *lm85_attributes_temp_off[] = { | |
1385 | &sensor_dev_attr_temp1_auto_temp_off.dev_attr.attr, | |
1386 | &sensor_dev_attr_temp2_auto_temp_off.dev_attr.attr, | |
1387 | &sensor_dev_attr_temp3_auto_temp_off.dev_attr.attr, | |
5f441e22 | 1388 | NULL |
06923f84 GR |
1389 | }; |
1390 | ||
1391 | static const struct attribute_group lm85_group_temp_off = { | |
1392 | .attrs = lm85_attributes_temp_off, | |
1393 | }; | |
1394 | ||
6b9aad2d | 1395 | static struct attribute *lm85_attributes_in4[] = { |
b353a487 JD |
1396 | &sensor_dev_attr_in4_input.dev_attr.attr, |
1397 | &sensor_dev_attr_in4_min.dev_attr.attr, | |
1398 | &sensor_dev_attr_in4_max.dev_attr.attr, | |
bf76e9d3 | 1399 | &sensor_dev_attr_in4_alarm.dev_attr.attr, |
0501a381 MH |
1400 | NULL |
1401 | }; | |
1402 | ||
6b9aad2d JD |
1403 | static const struct attribute_group lm85_group_in4 = { |
1404 | .attrs = lm85_attributes_in4, | |
1405 | }; | |
1406 | ||
1407 | static struct attribute *lm85_attributes_in567[] = { | |
1408 | &sensor_dev_attr_in5_input.dev_attr.attr, | |
1409 | &sensor_dev_attr_in6_input.dev_attr.attr, | |
1410 | &sensor_dev_attr_in7_input.dev_attr.attr, | |
1411 | &sensor_dev_attr_in5_min.dev_attr.attr, | |
1412 | &sensor_dev_attr_in6_min.dev_attr.attr, | |
1413 | &sensor_dev_attr_in7_min.dev_attr.attr, | |
1414 | &sensor_dev_attr_in5_max.dev_attr.attr, | |
1415 | &sensor_dev_attr_in6_max.dev_attr.attr, | |
1416 | &sensor_dev_attr_in7_max.dev_attr.attr, | |
bf76e9d3 JD |
1417 | &sensor_dev_attr_in5_alarm.dev_attr.attr, |
1418 | &sensor_dev_attr_in6_alarm.dev_attr.attr, | |
1419 | &sensor_dev_attr_in7_alarm.dev_attr.attr, | |
6b9aad2d JD |
1420 | NULL |
1421 | }; | |
1422 | ||
1423 | static const struct attribute_group lm85_group_in567 = { | |
1424 | .attrs = lm85_attributes_in567, | |
0501a381 MH |
1425 | }; |
1426 | ||
5f447594 JD |
1427 | static void lm85_init_client(struct i2c_client *client) |
1428 | { | |
1429 | int value; | |
1430 | ||
1431 | /* Start monitoring if needed */ | |
1432 | value = lm85_read_value(client, LM85_REG_CONFIG); | |
1433 | if (!(value & 0x01)) { | |
1434 | dev_info(&client->dev, "Starting monitoring\n"); | |
1435 | lm85_write_value(client, LM85_REG_CONFIG, value | 0x01); | |
1436 | } | |
1437 | ||
1438 | /* Warn about unusual configuration bits */ | |
1439 | if (value & 0x02) | |
1440 | dev_warn(&client->dev, "Device configuration is locked\n"); | |
1441 | if (!(value & 0x04)) | |
1442 | dev_warn(&client->dev, "Device is not ready\n"); | |
1443 | } | |
1444 | ||
5cfaf338 JD |
1445 | static int lm85_is_fake(struct i2c_client *client) |
1446 | { | |
1447 | /* | |
1448 | * Differenciate between real LM96000 and Winbond WPCD377I. The latter | |
1449 | * emulate the former except that it has no hardware monitoring function | |
1450 | * so the readings are always 0. | |
1451 | */ | |
1452 | int i; | |
1453 | u8 in_temp, fan; | |
1454 | ||
1455 | for (i = 0; i < 8; i++) { | |
1456 | in_temp = i2c_smbus_read_byte_data(client, 0x20 + i); | |
1457 | fan = i2c_smbus_read_byte_data(client, 0x28 + i); | |
1458 | if (in_temp != 0x00 || fan != 0xff) | |
1459 | return 0; | |
1460 | } | |
1461 | ||
1462 | return 1; | |
1463 | } | |
1464 | ||
67712d01 | 1465 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
310ec792 | 1466 | static int lm85_detect(struct i2c_client *client, struct i2c_board_info *info) |
1da177e4 | 1467 | { |
67712d01 JD |
1468 | struct i2c_adapter *adapter = client->adapter; |
1469 | int address = client->addr; | |
590e8534 | 1470 | const char *type_name = NULL; |
d42a2eb5 | 1471 | int company, verstep; |
1da177e4 | 1472 | |
e89e22b2 | 1473 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { |
1da177e4 | 1474 | /* We need to be able to do byte I/O */ |
67712d01 | 1475 | return -ENODEV; |
1f44809a | 1476 | } |
1da177e4 | 1477 | |
d42a2eb5 JD |
1478 | /* Determine the chip type */ |
1479 | company = lm85_read_value(client, LM85_REG_COMPANY); | |
1480 | verstep = lm85_read_value(client, LM85_REG_VERSTEP); | |
1481 | ||
b55f3757 GR |
1482 | dev_dbg(&adapter->dev, |
1483 | "Detecting device at 0x%02x with COMPANY: 0x%02x and VERSTEP: 0x%02x\n", | |
d42a2eb5 JD |
1484 | address, company, verstep); |
1485 | ||
d42a2eb5 JD |
1486 | if (company == LM85_COMPANY_NATIONAL) { |
1487 | switch (verstep) { | |
1488 | case LM85_VERSTEP_LM85C: | |
1489 | type_name = "lm85c"; | |
1490 | break; | |
1491 | case LM85_VERSTEP_LM85B: | |
1492 | type_name = "lm85b"; | |
1493 | break; | |
1494 | case LM85_VERSTEP_LM96000_1: | |
1495 | case LM85_VERSTEP_LM96000_2: | |
1496 | /* Check for Winbond WPCD377I */ | |
1497 | if (lm85_is_fake(client)) { | |
1498 | dev_dbg(&adapter->dev, | |
1499 | "Found Winbond WPCD377I, ignoring\n"); | |
1500 | return -ENODEV; | |
69fc1feb | 1501 | } |
11650cf0 | 1502 | type_name = "lm96000"; |
d42a2eb5 JD |
1503 | break; |
1504 | } | |
1505 | } else if (company == LM85_COMPANY_ANALOG_DEV) { | |
1506 | switch (verstep) { | |
1507 | case LM85_VERSTEP_ADM1027: | |
1508 | type_name = "adm1027"; | |
1509 | break; | |
1510 | case LM85_VERSTEP_ADT7463: | |
1511 | case LM85_VERSTEP_ADT7463C: | |
1512 | type_name = "adt7463"; | |
1513 | break; | |
1514 | case LM85_VERSTEP_ADT7468_1: | |
1515 | case LM85_VERSTEP_ADT7468_2: | |
1516 | type_name = "adt7468"; | |
1517 | break; | |
1da177e4 | 1518 | } |
d42a2eb5 JD |
1519 | } else if (company == LM85_COMPANY_SMSC) { |
1520 | switch (verstep) { | |
1521 | case LM85_VERSTEP_EMC6D100_A0: | |
1522 | case LM85_VERSTEP_EMC6D100_A1: | |
1523 | /* Note: we can't tell a '100 from a '101 */ | |
1524 | type_name = "emc6d100"; | |
1525 | break; | |
1526 | case LM85_VERSTEP_EMC6D102: | |
1527 | type_name = "emc6d102"; | |
1528 | break; | |
f065a93e JB |
1529 | case LM85_VERSTEP_EMC6D103_A0: |
1530 | case LM85_VERSTEP_EMC6D103_A1: | |
1531 | type_name = "emc6d103"; | |
1532 | break; | |
f065a93e JB |
1533 | case LM85_VERSTEP_EMC6D103S: |
1534 | type_name = "emc6d103s"; | |
1535 | break; | |
d42a2eb5 | 1536 | } |
1da177e4 LT |
1537 | } |
1538 | ||
590e8534 JD |
1539 | if (!type_name) |
1540 | return -ENODEV; | |
1541 | ||
67712d01 JD |
1542 | strlcpy(info->type, type_name, I2C_NAME_SIZE); |
1543 | ||
1544 | return 0; | |
1545 | } | |
1da177e4 | 1546 | |
746f6884 | 1547 | static int lm85_probe(struct i2c_client *client, const struct i2c_device_id *id) |
67712d01 | 1548 | { |
746f6884 AL |
1549 | struct device *dev = &client->dev; |
1550 | struct device *hwmon_dev; | |
67712d01 | 1551 | struct lm85_data *data; |
746f6884 | 1552 | int idx = 0; |
67712d01 | 1553 | |
746f6884 | 1554 | data = devm_kzalloc(dev, sizeof(struct lm85_data), GFP_KERNEL); |
67712d01 JD |
1555 | if (!data) |
1556 | return -ENOMEM; | |
1557 | ||
746f6884 | 1558 | data->client = client; |
00c0f9d3 JMC |
1559 | if (client->dev.of_node) |
1560 | data->type = (enum chips)of_device_get_match_data(&client->dev); | |
1561 | else | |
1562 | data->type = id->driver_data; | |
9a61bf63 | 1563 | mutex_init(&data->update_lock); |
1da177e4 | 1564 | |
67712d01 JD |
1565 | /* Fill in the chip specific driver values */ |
1566 | switch (data->type) { | |
1567 | case adm1027: | |
1568 | case adt7463: | |
fa7a5797 | 1569 | case adt7468: |
67712d01 JD |
1570 | case emc6d100: |
1571 | case emc6d102: | |
f065a93e | 1572 | case emc6d103: |
06923f84 | 1573 | case emc6d103s: |
67712d01 | 1574 | data->freq_map = adm1027_freq_map; |
57bc3019 | 1575 | data->freq_map_size = ARRAY_SIZE(adm1027_freq_map); |
67712d01 | 1576 | break; |
e9b95485 JG |
1577 | case lm96000: |
1578 | data->freq_map = lm96000_freq_map; | |
1579 | data->freq_map_size = ARRAY_SIZE(lm96000_freq_map); | |
1580 | break; | |
67712d01 JD |
1581 | default: |
1582 | data->freq_map = lm85_freq_map; | |
57bc3019 | 1583 | data->freq_map_size = ARRAY_SIZE(lm85_freq_map); |
67712d01 | 1584 | } |
1da177e4 LT |
1585 | |
1586 | /* Set the VRM version */ | |
303760b4 | 1587 | data->vrm = vid_which_vrm(); |
1da177e4 LT |
1588 | |
1589 | /* Initialize the LM85 chip */ | |
e89e22b2 | 1590 | lm85_init_client(client); |
1da177e4 | 1591 | |
746f6884 AL |
1592 | /* sysfs hooks */ |
1593 | data->groups[idx++] = &lm85_group; | |
1da177e4 | 1594 | |
06923f84 GR |
1595 | /* minctl and temp_off exist on all chips except emc6d103s */ |
1596 | if (data->type != emc6d103s) { | |
746f6884 AL |
1597 | data->groups[idx++] = &lm85_group_minctl; |
1598 | data->groups[idx++] = &lm85_group_temp_off; | |
06923f84 GR |
1599 | } |
1600 | ||
09770b26 GR |
1601 | /* |
1602 | * The ADT7463/68 have an optional VRM 10 mode where pin 21 is used | |
1603 | * as a sixth digital VID input rather than an analog input. | |
1604 | */ | |
de248805 GR |
1605 | if (data->type == adt7463 || data->type == adt7468) { |
1606 | u8 vid = lm85_read_value(client, LM85_REG_VID); | |
1607 | if (vid & 0x80) | |
1608 | data->has_vid5 = true; | |
1609 | } | |
1610 | ||
746f6884 AL |
1611 | if (!data->has_vid5) |
1612 | data->groups[idx++] = &lm85_group_in4; | |
6b9aad2d JD |
1613 | |
1614 | /* The EMC6D100 has 3 additional voltage inputs */ | |
746f6884 AL |
1615 | if (data->type == emc6d100) |
1616 | data->groups[idx++] = &lm85_group_in567; | |
1da177e4 | 1617 | |
746f6884 AL |
1618 | hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, |
1619 | data, data->groups); | |
1620 | return PTR_ERR_OR_ZERO(hwmon_dev); | |
1da177e4 LT |
1621 | } |
1622 | ||
6fd5dd58 AL |
1623 | static const struct i2c_device_id lm85_id[] = { |
1624 | { "adm1027", adm1027 }, | |
1625 | { "adt7463", adt7463 }, | |
1626 | { "adt7468", adt7468 }, | |
1627 | { "lm85", lm85 }, | |
1628 | { "lm85b", lm85 }, | |
1629 | { "lm85c", lm85 }, | |
11650cf0 | 1630 | { "lm96000", lm96000 }, |
6fd5dd58 AL |
1631 | { "emc6d100", emc6d100 }, |
1632 | { "emc6d101", emc6d100 }, | |
1633 | { "emc6d102", emc6d102 }, | |
1634 | { "emc6d103", emc6d103 }, | |
1635 | { "emc6d103s", emc6d103s }, | |
1636 | { } | |
1637 | }; | |
1638 | MODULE_DEVICE_TABLE(i2c, lm85_id); | |
1da177e4 | 1639 | |
20b497ab | 1640 | static const struct of_device_id __maybe_unused lm85_of_match[] = { |
00c0f9d3 JMC |
1641 | { |
1642 | .compatible = "adi,adm1027", | |
1643 | .data = (void *)adm1027 | |
1644 | }, | |
1645 | { | |
1646 | .compatible = "adi,adt7463", | |
1647 | .data = (void *)adt7463 | |
1648 | }, | |
1649 | { | |
1650 | .compatible = "adi,adt7468", | |
1651 | .data = (void *)adt7468 | |
1652 | }, | |
1653 | { | |
1654 | .compatible = "national,lm85", | |
1655 | .data = (void *)lm85 | |
1656 | }, | |
1657 | { | |
1658 | .compatible = "national,lm85b", | |
1659 | .data = (void *)lm85 | |
1660 | }, | |
1661 | { | |
1662 | .compatible = "national,lm85c", | |
1663 | .data = (void *)lm85 | |
1664 | }, | |
11650cf0 JG |
1665 | { |
1666 | .compatible = "ti,lm96000", | |
1667 | .data = (void *)lm96000 | |
1668 | }, | |
00c0f9d3 JMC |
1669 | { |
1670 | .compatible = "smsc,emc6d100", | |
1671 | .data = (void *)emc6d100 | |
1672 | }, | |
1673 | { | |
1674 | .compatible = "smsc,emc6d101", | |
1675 | .data = (void *)emc6d100 | |
1676 | }, | |
1677 | { | |
1678 | .compatible = "smsc,emc6d102", | |
1679 | .data = (void *)emc6d102 | |
1680 | }, | |
1681 | { | |
1682 | .compatible = "smsc,emc6d103", | |
1683 | .data = (void *)emc6d103 | |
1684 | }, | |
1685 | { | |
1686 | .compatible = "smsc,emc6d103s", | |
1687 | .data = (void *)emc6d103s | |
1688 | }, | |
1689 | { }, | |
1690 | }; | |
1691 | MODULE_DEVICE_TABLE(of, lm85_of_match); | |
1692 | ||
6fd5dd58 AL |
1693 | static struct i2c_driver lm85_driver = { |
1694 | .class = I2C_CLASS_HWMON, | |
1695 | .driver = { | |
1696 | .name = "lm85", | |
00c0f9d3 | 1697 | .of_match_table = of_match_ptr(lm85_of_match), |
6fd5dd58 AL |
1698 | }, |
1699 | .probe = lm85_probe, | |
6fd5dd58 AL |
1700 | .id_table = lm85_id, |
1701 | .detect = lm85_detect, | |
1702 | .address_list = normal_i2c, | |
1703 | }; | |
1da177e4 | 1704 | |
f0967eea | 1705 | module_i2c_driver(lm85_driver); |
1da177e4 | 1706 | |
1da177e4 | 1707 | MODULE_LICENSE("GPL"); |
1f44809a JD |
1708 | MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, " |
1709 | "Margit Schubert-While <margitsw@t-online.de>, " | |
e89e22b2 | 1710 | "Justin Thiessen <jthiessen@penguincomputing.com>"); |
1da177e4 | 1711 | MODULE_DESCRIPTION("LM85-B, LM85-C driver"); |