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Merge tag 'asm-generic-fixes-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6-block.git] / drivers / hwmon / adm1026.c
CommitLineData
74ba9207 1// SPDX-License-Identifier: GPL-2.0-or-later
1da177e4 2/*
86aa3e22
GR		 3 * adm1026.c - Part of lm_sensors, Linux kernel modules for hardware
4 * monitoring
5 * Copyright (C) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
6 * Copyright (C) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
7 *
8 * Chip details at:
9 *
ad736c1a 10 * <https://www.onsemi.com/PowerSolutions/product.do?id=ADM1026>
86aa3e22 11 */
1da177e4 12
1da177e4
LT		 13#include <linux/module.h>
14#include <linux/init.h>
15#include <linux/slab.h>
16#include <linux/jiffies.h>
17#include <linux/i2c.h>
943b0830 18#include <linux/hwmon.h>
303760b4
JD		 19#include <linux/hwmon-sysfs.h>
20#include <linux/hwmon-vid.h>
943b0830 21#include <linux/err.h>
9a61bf63 22#include <linux/mutex.h>
1da177e4
LT		 23
24/* Addresses to scan */
25e9c86d 25static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
1da177e4 26
cb01a231
JD		 27static int gpio_input[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
28 -1, -1, -1, -1, -1, -1, -1, -1 };
1da177e4
LT		 29static int gpio_output[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
30 -1, -1, -1, -1, -1, -1, -1, -1 };
31static int gpio_inverted[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
32 -1, -1, -1, -1, -1, -1, -1, -1 };
33static int gpio_normal[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
34 -1, -1, -1, -1, -1, -1, -1, -1 };
35static int gpio_fan[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
cb01a231
JD		 36module_param_array(gpio_input, int, NULL, 0);
37MODULE_PARM_DESC(gpio_input, "List of GPIO pins (0-16) to program as inputs");
38module_param_array(gpio_output, int, NULL, 0);
b55f3757
GR		 39MODULE_PARM_DESC(gpio_output,
40 "List of GPIO pins (0-16) to program as outputs");
cb01a231 41module_param_array(gpio_inverted, int, NULL, 0);
b55f3757
GR		 42MODULE_PARM_DESC(gpio_inverted,
43 "List of GPIO pins (0-16) to program as inverted");
cb01a231 44module_param_array(gpio_normal, int, NULL, 0);
b55f3757
GR		 45MODULE_PARM_DESC(gpio_normal,
46 "List of GPIO pins (0-16) to program as normal/non-inverted");
cb01a231
JD		 47module_param_array(gpio_fan, int, NULL, 0);
48MODULE_PARM_DESC(gpio_fan, "List of GPIO pins (0-7) to program as fan tachs");
1da177e4
LT		 49
50/* Many ADM1026 constants specified below */
51
52/* The ADM1026 registers */
cb01a231
JD		 53#define ADM1026_REG_CONFIG1 0x00
54#define CFG1_MONITOR 0x01
55#define CFG1_INT_ENABLE 0x02
56#define CFG1_INT_CLEAR 0x04
57#define CFG1_AIN8_9 0x08
58#define CFG1_THERM_HOT 0x10
59#define CFG1_DAC_AFC 0x20
60#define CFG1_PWM_AFC 0x40
61#define CFG1_RESET 0x80
62
63#define ADM1026_REG_CONFIG2 0x01
1da177e4 64/* CONFIG2 controls FAN0/GPIO0 through FAN7/GPIO7 */
cb01a231
JD		 65
66#define ADM1026_REG_CONFIG3 0x07
67#define CFG3_GPIO16_ENABLE 0x01
68#define CFG3_CI_CLEAR 0x02
69#define CFG3_VREF_250 0x04
70#define CFG3_GPIO16_DIR 0x40
71#define CFG3_GPIO16_POL 0x80
72
73#define ADM1026_REG_E2CONFIG 0x13
74#define E2CFG_READ 0x01
75#define E2CFG_WRITE 0x02
76#define E2CFG_ERASE 0x04
77#define E2CFG_ROM 0x08
78#define E2CFG_CLK_EXT 0x80
1da177e4 79
86aa3e22
GR		 80/*
81 * There are 10 general analog inputs and 7 dedicated inputs
1da177e4
LT		 82 * They are:
83 * 0 - 9 = AIN0 - AIN9
84 * 10 = Vbat
85 * 11 = 3.3V Standby
86 * 12 = 3.3V Main
87 * 13 = +5V
88 * 14 = Vccp (CPU core voltage)
89 * 15 = +12V
90 * 16 = -12V
91 */
92static u16 ADM1026_REG_IN[] = {
93 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
94 0x36, 0x37, 0x27, 0x29, 0x26, 0x2a,
95 0x2b, 0x2c, 0x2d, 0x2e, 0x2f
96 };
97static u16 ADM1026_REG_IN_MIN[] = {
98 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d,
99 0x5e, 0x5f, 0x6d, 0x49, 0x6b, 0x4a,
100 0x4b, 0x4c, 0x4d, 0x4e, 0x4f
101 };
102static u16 ADM1026_REG_IN_MAX[] = {
103 0x50, 0x51, 0x52, 0x53, 0x54, 0x55,
104 0x56, 0x57, 0x6c, 0x41, 0x6a, 0x42,
105 0x43, 0x44, 0x45, 0x46, 0x47
106 };
107
86aa3e22
GR		 108/*
109 * Temperatures are:
1da177e4
LT		 110 * 0 - Internal
111 * 1 - External 1
112 * 2 - External 2
113 */
114static u16 ADM1026_REG_TEMP[] = { 0x1f, 0x28, 0x29 };
115static u16 ADM1026_REG_TEMP_MIN[] = { 0x69, 0x48, 0x49 };
116static u16 ADM1026_REG_TEMP_MAX[] = { 0x68, 0x40, 0x41 };
117static u16 ADM1026_REG_TEMP_TMIN[] = { 0x10, 0x11, 0x12 };
118static u16 ADM1026_REG_TEMP_THERM[] = { 0x0d, 0x0e, 0x0f };
119static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f };
120
cb01a231
JD		 121#define ADM1026_REG_FAN(nr) (0x38 + (nr))
122#define ADM1026_REG_FAN_MIN(nr) (0x60 + (nr))
123#define ADM1026_REG_FAN_DIV_0_3 0x02
124#define ADM1026_REG_FAN_DIV_4_7 0x03
1da177e4 125
cb01a231
JD		 126#define ADM1026_REG_DAC 0x04
127#define ADM1026_REG_PWM 0x05
1da177e4 128
cb01a231
JD		 129#define ADM1026_REG_GPIO_CFG_0_3 0x08
130#define ADM1026_REG_GPIO_CFG_4_7 0x09
131#define ADM1026_REG_GPIO_CFG_8_11 0x0a
132#define ADM1026_REG_GPIO_CFG_12_15 0x0b
1da177e4 133/* CFG_16 in REG_CFG3 */
cb01a231
JD		 134#define ADM1026_REG_GPIO_STATUS_0_7 0x24
135#define ADM1026_REG_GPIO_STATUS_8_15 0x25
1da177e4 136/* STATUS_16 in REG_STATUS4 */
cb01a231
JD		 137#define ADM1026_REG_GPIO_MASK_0_7 0x1c
138#define ADM1026_REG_GPIO_MASK_8_15 0x1d
1da177e4
LT		 139/* MASK_16 in REG_MASK4 */
140
cb01a231
JD		 141#define ADM1026_REG_COMPANY 0x16
142#define ADM1026_REG_VERSTEP 0x17
1da177e4 143/* These are the recognized values for the above regs */
cb01a231
JD		 144#define ADM1026_COMPANY_ANALOG_DEV 0x41
145#define ADM1026_VERSTEP_GENERIC 0x40
146#define ADM1026_VERSTEP_ADM1026 0x44
1da177e4 147
cb01a231
JD		 148#define ADM1026_REG_MASK1 0x18
149#define ADM1026_REG_MASK2 0x19
150#define ADM1026_REG_MASK3 0x1a
151#define ADM1026_REG_MASK4 0x1b
1da177e4 152
cb01a231
JD		 153#define ADM1026_REG_STATUS1 0x20
154#define ADM1026_REG_STATUS2 0x21
155#define ADM1026_REG_STATUS3 0x22
156#define ADM1026_REG_STATUS4 0x23
1da177e4
LT		 157
158#define ADM1026_FAN_ACTIVATION_TEMP_HYST -6
cb01a231
JD		 159#define ADM1026_FAN_CONTROL_TEMP_RANGE 20
160#define ADM1026_PWM_MAX 255
1da177e4 161
86aa3e22
GR		 162/*
163 * Conversions. Rounding and limit checking is only done on the TO_REG
1da177e4
LT		 164 * variants. Note that you should be a bit careful with which arguments
165 * these macros are called: arguments may be evaluated more than once.
166 */
167
86aa3e22
GR		 168/*
169 * IN are scaled according to built-in resistors. These are the
1da177e4
LT		 170 * voltages corresponding to 3/4 of full scale (192 or 0xc0)
171 * NOTE: The -12V input needs an additional factor to account
172 * for the Vref pullup resistor.
173 * NEG12_OFFSET = SCALE * Vref / V-192 - Vref
174 * = 13875 * 2.50 / 1.875 - 2500
175 * = 16000
176 *
177 * The values in this table are based on Table II, page 15 of the
178 * datasheet.
179 */
cb01a231
JD		 180static int adm1026_scaling[] = { /* .001 Volts */
181 2250, 2250, 2250, 2250, 2250, 2250,
182 1875, 1875, 1875, 1875, 3000, 3330,
1da177e4
LT		 183 3330, 4995, 2250, 12000, 13875
184 };
185#define NEG12_OFFSET 16000
cb01a231 186#define SCALE(val, from, to) (((val)*(to) + ((from)/2))/(from))
f1b9baa9
GR		 187#define INS_TO_REG(n, val) \
188 SCALE(clamp_val(val, 0, 255 * adm1026_scaling[n] / 192), \
189 adm1026_scaling[n], 192)
cb01a231 190#define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n]))
1da177e4 191
86aa3e22
GR		 192/*
193 * FAN speed is measured using 22.5kHz clock and counts for 2 pulses
1da177e4
LT		 194 * and we assume a 2 pulse-per-rev fan tach signal
195 * 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000
196 */
cb01a231 197#define FAN_TO_REG(val, div) ((val) <= 0 ? 0xff : \
2a844c14 198 clamp_val(1350000 / ((val) * (div)), \
86aa3e22
GR		 199 1, 254))
200#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : (val) == 0xff ? 0 : \
201 1350000 / ((val) * (div)))
202#define DIV_FROM_REG(val) (1 << (val))
cb01a231 203#define DIV_TO_REG(val) ((val) >= 8 ? 3 : (val) >= 4 ? 2 : (val) >= 2 ? 1 : 0)
1da177e4
LT		 204
205/* Temperature is reported in 1 degC increments */
f1b9baa9
GR		 206#define TEMP_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), \
207 1000)
1da177e4 208#define TEMP_FROM_REG(val) ((val) * 1000)
f1b9baa9
GR		 209#define OFFSET_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), \
210 1000)
1da177e4
LT		 211#define OFFSET_FROM_REG(val) ((val) * 1000)
212
2a844c14 213#define PWM_TO_REG(val) (clamp_val(val, 0, 255))
1da177e4
LT		 214#define PWM_FROM_REG(val) (val)
215
216#define PWM_MIN_TO_REG(val) ((val) & 0xf0)
217#define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4))
218
86aa3e22
GR		 219/*
220 * Analog output is a voltage, and scaled to millivolts. The datasheet
cb01a231 221 * indicates that the DAC could be used to drive the fans, but in our
1da177e4
LT		 222 * example board (Arima HDAMA) it isn't connected to the fans at all.
223 */
f1b9baa9
GR		 224#define DAC_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val(val, 0, 2500) * 255, \
225 2500)
86aa3e22 226#define DAC_FROM_REG(val) (((val) * 2500) / 255)
1da177e4 227
86aa3e22
GR		 228/*
229 * Chip sampling rates
1da177e4
LT		 230 *
231 * Some sensors are not updated more frequently than once per second
232 * so it doesn't make sense to read them more often than that.
233 * We cache the results and return the saved data if the driver
234 * is called again before a second has elapsed.
235 *
236 * Also, there is significant configuration data for this chip
237 * So, we keep the config data up to date in the cache
238 * when it is written and only sample it once every 5 *minutes*
239 */
cb01a231
JD		 240#define ADM1026_DATA_INTERVAL (1 * HZ)
241#define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ)
1da177e4 242
86aa3e22
GR		 243/*
244 * We allow for multiple chips in a single system.
1da177e4
LT		 245 *
246 * For each registered ADM1026, we need to keep state information
247 * at client->data. The adm1026_data structure is dynamically
86aa3e22
GR		 248 * allocated, when a new client structure is allocated.
249 */
1da177e4
LT		 250
251struct pwm_data {
252 u8 pwm;
253 u8 enable;
254 u8 auto_pwm_min;
255};
256
257struct adm1026_data {
b591d3c1
AL		 258 struct i2c_client *client;
259 const struct attribute_group *groups[3];
1da177e4 260
9a61bf63 261 struct mutex update_lock;
952a11ca 262 bool valid; /* true if following fields are valid */
1da177e4
LT		 263 unsigned long last_reading; /* In jiffies */
264 unsigned long last_config; /* In jiffies */
265
cb01a231
JD		 266 u8 in[17]; /* Register value */
267 u8 in_max[17]; /* Register value */
268 u8 in_min[17]; /* Register value */
269 s8 temp[3]; /* Register value */
270 s8 temp_min[3]; /* Register value */
271 s8 temp_max[3]; /* Register value */
272 s8 temp_tmin[3]; /* Register value */
273 s8 temp_crit[3]; /* Register value */
274 s8 temp_offset[3]; /* Register value */
275 u8 fan[8]; /* Register value */
276 u8 fan_min[8]; /* Register value */
277 u8 fan_div[8]; /* Decoded value */
278 struct pwm_data pwm1; /* Pwm control values */
cb01a231 279 u8 vrm; /* VRM version */
1da177e4 280 u8 analog_out; /* Register value (DAC) */
cb01a231
JD		 281 long alarms; /* Register encoding, combined */
282 long alarm_mask; /* Register encoding, combined */
283 long gpio; /* Register encoding, combined */
284 long gpio_mask; /* Register encoding, combined */
285 u8 gpio_config[17]; /* Decoded value */
286 u8 config1; /* Register value */
287 u8 config2; /* Register value */
288 u8 config3; /* Register value */
1da177e4
LT		 289};
290
c49efcef 291static int adm1026_read_value(struct i2c_client *client, u8 reg)
1da177e4
LT		 292{
293 int res;
294
295 if (reg < 0x80) {
296 /* "RAM" locations */
297 res = i2c_smbus_read_byte_data(client, reg) & 0xff;
298 } else {
299 /* EEPROM, do nothing */
300 res = 0;
301 }
302 return res;
303}
304
c49efcef 305static int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
1da177e4
LT		 306{
307 int res;
308
309 if (reg < 0x80) {
310 /* "RAM" locations */
311 res = i2c_smbus_write_byte_data(client, reg, value);
312 } else {
313 /* EEPROM, do nothing */
314 res = 0;
315 }
316 return res;
317}
318
1da177e4
LT		 319static struct adm1026_data *adm1026_update_device(struct device *dev)
320{
b591d3c1
AL		 321 struct adm1026_data *data = dev_get_drvdata(dev);
322 struct i2c_client *client = data->client;
1da177e4
LT		 323 int i;
324 long value, alarms, gpio;
325
9a61bf63 326 mutex_lock(&data->update_lock);
1da177e4 327 if (!data->valid
86aa3e22
GR		 328 || time_after(jiffies,
329 data->last_reading + ADM1026_DATA_INTERVAL)) {
1da177e4 330 /* Things that change quickly */
cb01a231 331 dev_dbg(&client->dev, "Reading sensor values\n");
86aa3e22 332 for (i = 0; i <= 16; ++i) {
1da177e4
LT		 333 data->in[i] =
334 adm1026_read_value(client, ADM1026_REG_IN[i]);
335 }
336
86aa3e22 337 for (i = 0; i <= 7; ++i) {
1da177e4
LT		 338 data->fan[i] =
339 adm1026_read_value(client, ADM1026_REG_FAN(i));
340 }
341
86aa3e22
GR		 342 for (i = 0; i <= 2; ++i) {
343 /*
344 * NOTE: temp[] is s8 and we assume 2's complement
345 * "conversion" in the assignment
346 */
1da177e4
LT		 347 data->temp[i] =
348 adm1026_read_value(client, ADM1026_REG_TEMP[i]);
349 }
350
cb01a231 351 data->pwm1.pwm = adm1026_read_value(client,
1da177e4 352 ADM1026_REG_PWM);
cb01a231 353 data->analog_out = adm1026_read_value(client,
1da177e4
LT		 354 ADM1026_REG_DAC);
355 /* GPIO16 is MSbit of alarms, move it to gpio */
356 alarms = adm1026_read_value(client, ADM1026_REG_STATUS4);
cb01a231 357 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
1da177e4
LT		 358 alarms &= 0x7f;
359 alarms <<= 8;
360 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS3);
361 alarms <<= 8;
362 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS2);
363 alarms <<= 8;
364 alarms |= adm1026_read_value(client, ADM1026_REG_STATUS1);
365 data->alarms = alarms;
366
367 /* Read the GPIO values */
cb01a231 368 gpio |= adm1026_read_value(client,
1da177e4
LT		 369 ADM1026_REG_GPIO_STATUS_8_15);
370 gpio <<= 8;
cb01a231 371 gpio |= adm1026_read_value(client,
1da177e4
LT		 372 ADM1026_REG_GPIO_STATUS_0_7);
373 data->gpio = gpio;
374
375 data->last_reading = jiffies;
a0393713 376 } /* last_reading */
1da177e4
LT		 377
378 if (!data->valid ||
379 time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
380 /* Things that don't change often */
381 dev_dbg(&client->dev, "Reading config values\n");
86aa3e22 382 for (i = 0; i <= 16; ++i) {
cb01a231 383 data->in_min[i] = adm1026_read_value(client,
1da177e4 384 ADM1026_REG_IN_MIN[i]);
cb01a231 385 data->in_max[i] = adm1026_read_value(client,
1da177e4
LT		 386 ADM1026_REG_IN_MAX[i]);
387 }
388
389 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3)
390 | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7)
391 << 8);
86aa3e22 392 for (i = 0; i <= 7; ++i) {
cb01a231 393 data->fan_min[i] = adm1026_read_value(client,
1da177e4
LT		 394 ADM1026_REG_FAN_MIN(i));
395 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
396 value >>= 2;
397 }
398
399 for (i = 0; i <= 2; ++i) {
86aa3e22
GR		 400 /*
401 * NOTE: temp_xxx[] are s8 and we assume 2's
1da177e4
LT		 402 * complement "conversion" in the assignment
403 */
cb01a231 404 data->temp_min[i] = adm1026_read_value(client,
1da177e4 405 ADM1026_REG_TEMP_MIN[i]);
cb01a231 406 data->temp_max[i] = adm1026_read_value(client,
1da177e4 407 ADM1026_REG_TEMP_MAX[i]);
cb01a231 408 data->temp_tmin[i] = adm1026_read_value(client,
1da177e4 409 ADM1026_REG_TEMP_TMIN[i]);
cb01a231 410 data->temp_crit[i] = adm1026_read_value(client,
1da177e4 411 ADM1026_REG_TEMP_THERM[i]);
cb01a231 412 data->temp_offset[i] = adm1026_read_value(client,
1da177e4
LT		 413 ADM1026_REG_TEMP_OFFSET[i]);
414 }
415
416 /* Read the STATUS/alarm masks */
cb01a231
JD		 417 alarms = adm1026_read_value(client, ADM1026_REG_MASK4);
418 gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
419 alarms = (alarms & 0x7f) << 8;
1da177e4
LT		 420 alarms |= adm1026_read_value(client, ADM1026_REG_MASK3);
421 alarms <<= 8;
422 alarms |= adm1026_read_value(client, ADM1026_REG_MASK2);
423 alarms <<= 8;
424 alarms |= adm1026_read_value(client, ADM1026_REG_MASK1);
425 data->alarm_mask = alarms;
426
427 /* Read the GPIO values */
cb01a231 428 gpio |= adm1026_read_value(client,
1da177e4
LT		 429 ADM1026_REG_GPIO_MASK_8_15);
430 gpio <<= 8;
431 gpio |= adm1026_read_value(client, ADM1026_REG_GPIO_MASK_0_7);
432 data->gpio_mask = gpio;
433
434 /* Read various values from CONFIG1 */
cb01a231 435 data->config1 = adm1026_read_value(client,
1da177e4
LT		 436 ADM1026_REG_CONFIG1);
437 if (data->config1 & CFG1_PWM_AFC) {
438 data->pwm1.enable = 2;
cb01a231 439 data->pwm1.auto_pwm_min =
1da177e4
LT		 440 PWM_MIN_FROM_REG(data->pwm1.pwm);
441 }
442 /* Read the GPIO config */
cb01a231 443 data->config2 = adm1026_read_value(client,
1da177e4 444 ADM1026_REG_CONFIG2);
cb01a231 445 data->config3 = adm1026_read_value(client,
1da177e4
LT		 446 ADM1026_REG_CONFIG3);
447 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
448
449 value = 0;
86aa3e22 450 for (i = 0; i <= 15; ++i) {
1da177e4
LT		 451 if ((i & 0x03) == 0) {
452 value = adm1026_read_value(client,
453 ADM1026_REG_GPIO_CFG_0_3 + i/4);
454 }
455 data->gpio_config[i] = value & 0x03;
456 value >>= 2;
457 }
458
459 data->last_config = jiffies;
a0393713 460 } /* last_config */
1da177e4 461
952a11ca 462 data->valid = true;
9a61bf63 463 mutex_unlock(&data->update_lock);
1da177e4
LT		 464 return data;
465}
466
7ded2315
GR		 467static ssize_t in_show(struct device *dev, struct device_attribute *attr,
468 char *buf)
1da177e4 469{
050480f1
YI		 470 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
471 int nr = sensor_attr->index;
1da177e4 472 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 473 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in[nr]));
1da177e4 474}
7ded2315
GR		 475static ssize_t in_min_show(struct device *dev, struct device_attribute *attr,
476 char *buf)
1da177e4 477{
050480f1
YI		 478 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
479 int nr = sensor_attr->index;
cb01a231
JD		 480 struct adm1026_data *data = adm1026_update_device(dev);
481 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_min[nr]));
1da177e4 482}
7ded2315
GR		 483static ssize_t in_min_store(struct device *dev, struct device_attribute *attr,
484 const char *buf, size_t count)
1da177e4 485{
050480f1
YI		 486 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
487 int nr = sensor_attr->index;
b591d3c1
AL		 488 struct adm1026_data *data = dev_get_drvdata(dev);
489 struct i2c_client *client = data->client;
86aa3e22
GR		 490 long val;
491 int err;
492
493 err = kstrtol(buf, 10, &val);
494 if (err)
495 return err;
1da177e4 496
9a61bf63 497 mutex_lock(&data->update_lock);
1da177e4
LT		 498 data->in_min[nr] = INS_TO_REG(nr, val);
499 adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]);
9a61bf63 500 mutex_unlock(&data->update_lock);
cb01a231 501 return count;
1da177e4 502}
7ded2315
GR		 503static ssize_t in_max_show(struct device *dev, struct device_attribute *attr,
504 char *buf)
1da177e4 505{
050480f1
YI		 506 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
507 int nr = sensor_attr->index;
1da177e4 508 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 509 return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_max[nr]));
1da177e4 510}
7ded2315
GR		 511static ssize_t in_max_store(struct device *dev, struct device_attribute *attr,
512 const char *buf, size_t count)
1da177e4 513{
050480f1
YI		 514 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
515 int nr = sensor_attr->index;
b591d3c1
AL		 516 struct adm1026_data *data = dev_get_drvdata(dev);
517 struct i2c_client *client = data->client;
86aa3e22
GR		 518 long val;
519 int err;
520
521 err = kstrtol(buf, 10, &val);
522 if (err)
523 return err;
1da177e4 524
9a61bf63 525 mutex_lock(&data->update_lock);
1da177e4
LT		 526 data->in_max[nr] = INS_TO_REG(nr, val);
527 adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]);
9a61bf63 528 mutex_unlock(&data->update_lock);
1da177e4
LT		 529 return count;
530}
531
7ded2315
GR		 532static SENSOR_DEVICE_ATTR_RO(in0_input, in, 0);
533static SENSOR_DEVICE_ATTR_RW(in0_min, in_min, 0);
534static SENSOR_DEVICE_ATTR_RW(in0_max, in_max, 0);
535static SENSOR_DEVICE_ATTR_RO(in1_input, in, 1);
536static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1);
537static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1);
538static SENSOR_DEVICE_ATTR_RO(in2_input, in, 2);
539static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2);
540static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2);
541static SENSOR_DEVICE_ATTR_RO(in3_input, in, 3);
542static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3);
543static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3);
544static SENSOR_DEVICE_ATTR_RO(in4_input, in, 4);
545static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4);
546static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4);
547static SENSOR_DEVICE_ATTR_RO(in5_input, in, 5);
548static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5);
549static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5);
550static SENSOR_DEVICE_ATTR_RO(in6_input, in, 6);
551static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6);
552static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6);
553static SENSOR_DEVICE_ATTR_RO(in7_input, in, 7);
554static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7);
555static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7);
556static SENSOR_DEVICE_ATTR_RO(in8_input, in, 8);
557static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 8);
558static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 8);
559static SENSOR_DEVICE_ATTR_RO(in9_input, in, 9);
560static SENSOR_DEVICE_ATTR_RW(in9_min, in_min, 9);
561static SENSOR_DEVICE_ATTR_RW(in9_max, in_max, 9);
562static SENSOR_DEVICE_ATTR_RO(in10_input, in, 10);
563static SENSOR_DEVICE_ATTR_RW(in10_min, in_min, 10);
564static SENSOR_DEVICE_ATTR_RW(in10_max, in_max, 10);
565static SENSOR_DEVICE_ATTR_RO(in11_input, in, 11);
566static SENSOR_DEVICE_ATTR_RW(in11_min, in_min, 11);
567static SENSOR_DEVICE_ATTR_RW(in11_max, in_max, 11);
568static SENSOR_DEVICE_ATTR_RO(in12_input, in, 12);
569static SENSOR_DEVICE_ATTR_RW(in12_min, in_min, 12);
570static SENSOR_DEVICE_ATTR_RW(in12_max, in_max, 12);
571static SENSOR_DEVICE_ATTR_RO(in13_input, in, 13);
572static SENSOR_DEVICE_ATTR_RW(in13_min, in_min, 13);
573static SENSOR_DEVICE_ATTR_RW(in13_max, in_max, 13);
574static SENSOR_DEVICE_ATTR_RO(in14_input, in, 14);
575static SENSOR_DEVICE_ATTR_RW(in14_min, in_min, 14);
576static SENSOR_DEVICE_ATTR_RW(in14_max, in_max, 14);
577static SENSOR_DEVICE_ATTR_RO(in15_input, in, 15);
578static SENSOR_DEVICE_ATTR_RW(in15_min, in_min, 15);
579static SENSOR_DEVICE_ATTR_RW(in15_max, in_max, 15);
580
581static ssize_t in16_show(struct device *dev, struct device_attribute *attr,
86aa3e22 582 char *buf)
1da177e4
LT		 583{
584 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 585 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in[16]) -
1da177e4
LT		 586 NEG12_OFFSET);
587}
7ded2315
GR		 588static ssize_t in16_min_show(struct device *dev,
589 struct device_attribute *attr, char *buf)
1da177e4 590{
cb01a231
JD		 591 struct adm1026_data *data = adm1026_update_device(dev);
592 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_min[16])
1da177e4
LT		 593 - NEG12_OFFSET);
594}
7ded2315
GR		 595static ssize_t in16_min_store(struct device *dev,
596 struct device_attribute *attr, const char *buf,
597 size_t count)
1da177e4 598{
b591d3c1
AL		 599 struct adm1026_data *data = dev_get_drvdata(dev);
600 struct i2c_client *client = data->client;
86aa3e22
GR		 601 long val;
602 int err;
603
604 err = kstrtol(buf, 10, &val);
605 if (err)
606 return err;
1da177e4 607
9a61bf63 608 mutex_lock(&data->update_lock);
f1b9baa9
GR		 609 data->in_min[16] = INS_TO_REG(16,
610 clamp_val(val, INT_MIN,
611 INT_MAX - NEG12_OFFSET) +
612 NEG12_OFFSET);
1da177e4 613 adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]);
9a61bf63 614 mutex_unlock(&data->update_lock);
cb01a231 615 return count;
1da177e4 616}
7ded2315
GR		 617static ssize_t in16_max_show(struct device *dev,
618 struct device_attribute *attr, char *buf)
1da177e4
LT		 619{
620 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 621 return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_max[16])
1da177e4
LT		 622 - NEG12_OFFSET);
623}
7ded2315
GR		 624static ssize_t in16_max_store(struct device *dev,
625 struct device_attribute *attr, const char *buf,
626 size_t count)
1da177e4 627{
b591d3c1
AL		 628 struct adm1026_data *data = dev_get_drvdata(dev);
629 struct i2c_client *client = data->client;
86aa3e22
GR		 630 long val;
631 int err;
632
633 err = kstrtol(buf, 10, &val);
634 if (err)
635 return err;
1da177e4 636
9a61bf63 637 mutex_lock(&data->update_lock);
f1b9baa9
GR		 638 data->in_max[16] = INS_TO_REG(16,
639 clamp_val(val, INT_MIN,
640 INT_MAX - NEG12_OFFSET) +
641 NEG12_OFFSET);
1da177e4 642 adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]);
9a61bf63 643 mutex_unlock(&data->update_lock);
1da177e4
LT		 644 return count;
645}
646
7ded2315
GR		 647static SENSOR_DEVICE_ATTR_RO(in16_input, in16, 16);
648static SENSOR_DEVICE_ATTR_RW(in16_min, in16_min, 16);
649static SENSOR_DEVICE_ATTR_RW(in16_max, in16_max, 16);
1da177e4
LT		 650
651/* Now add fan read/write functions */
652
7ded2315
GR		 653static ssize_t fan_show(struct device *dev, struct device_attribute *attr,
654 char *buf)
1da177e4 655{
050480f1
YI		 656 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
657 int nr = sensor_attr->index;
1da177e4 658 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 659 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
1da177e4
LT		 660 data->fan_div[nr]));
661}
7ded2315
GR		 662static ssize_t fan_min_show(struct device *dev, struct device_attribute *attr,
663 char *buf)
1da177e4 664{
050480f1
YI		 665 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
666 int nr = sensor_attr->index;
1da177e4 667 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 668 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
1da177e4
LT		 669 data->fan_div[nr]));
670}
7ded2315
GR		 671static ssize_t fan_min_store(struct device *dev,
672 struct device_attribute *attr, const char *buf,
673 size_t count)
1da177e4 674{
050480f1
YI		 675 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
676 int nr = sensor_attr->index;
b591d3c1
AL		 677 struct adm1026_data *data = dev_get_drvdata(dev);
678 struct i2c_client *client = data->client;
86aa3e22
GR		 679 long val;
680 int err;
681
682 err = kstrtol(buf, 10, &val);
683 if (err)
684 return err;
1da177e4 685
9a61bf63 686 mutex_lock(&data->update_lock);
1da177e4
LT		 687 data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
688 adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr),
689 data->fan_min[nr]);
9a61bf63 690 mutex_unlock(&data->update_lock);
1da177e4
LT		 691 return count;
692}
693
7ded2315
GR		 694static SENSOR_DEVICE_ATTR_RO(fan1_input, fan, 0);
695static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0);
696static SENSOR_DEVICE_ATTR_RO(fan2_input, fan, 1);
697static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1);
698static SENSOR_DEVICE_ATTR_RO(fan3_input, fan, 2);
699static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2);
700static SENSOR_DEVICE_ATTR_RO(fan4_input, fan, 3);
701static SENSOR_DEVICE_ATTR_RW(fan4_min, fan_min, 3);
702static SENSOR_DEVICE_ATTR_RO(fan5_input, fan, 4);
703static SENSOR_DEVICE_ATTR_RW(fan5_min, fan_min, 4);
704static SENSOR_DEVICE_ATTR_RO(fan6_input, fan, 5);
705static SENSOR_DEVICE_ATTR_RW(fan6_min, fan_min, 5);
706static SENSOR_DEVICE_ATTR_RO(fan7_input, fan, 6);
707static SENSOR_DEVICE_ATTR_RW(fan7_min, fan_min, 6);
708static SENSOR_DEVICE_ATTR_RO(fan8_input, fan, 7);
709static SENSOR_DEVICE_ATTR_RW(fan8_min, fan_min, 7);
1da177e4
LT		 710
711/* Adjust fan_min to account for new fan divisor */
712static void fixup_fan_min(struct device *dev, int fan, int old_div)
713{
b591d3c1
AL		 714 struct adm1026_data *data = dev_get_drvdata(dev);
715 struct i2c_client *client = data->client;
cb01a231
JD		 716 int new_min;
717 int new_div = data->fan_div[fan];
1da177e4
LT		 718
719 /* 0 and 0xff are special. Don't adjust them */
86aa3e22 720 if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff)
1da177e4 721 return;
1da177e4
LT		 722
723 new_min = data->fan_min[fan] * old_div / new_div;
2a844c14 724 new_min = clamp_val(new_min, 1, 254);
1da177e4
LT		 725 data->fan_min[fan] = new_min;
726 adm1026_write_value(client, ADM1026_REG_FAN_MIN(fan), new_min);
727}
728
729/* Now add fan_div read/write functions */
7ded2315
GR		 730static ssize_t fan_div_show(struct device *dev, struct device_attribute *attr,
731 char *buf)
1da177e4 732{
050480f1
YI		 733 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
734 int nr = sensor_attr->index;
1da177e4 735 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 736 return sprintf(buf, "%d\n", data->fan_div[nr]);
1da177e4 737}
7ded2315
GR		 738static ssize_t fan_div_store(struct device *dev,
739 struct device_attribute *attr, const char *buf,
740 size_t count)
1da177e4 741{
050480f1
YI		 742 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
743 int nr = sensor_attr->index;
b591d3c1
AL		 744 struct adm1026_data *data = dev_get_drvdata(dev);
745 struct i2c_client *client = data->client;
86aa3e22
GR		 746 long val;
747 int orig_div, new_div;
748 int err;
749
750 err = kstrtol(buf, 10, &val);
751 if (err)
752 return err;
1da177e4 753
cb01a231 754 new_div = DIV_TO_REG(val);
8b0f1840 755
9a61bf63 756 mutex_lock(&data->update_lock);
1da177e4
LT		 757 orig_div = data->fan_div[nr];
758 data->fan_div[nr] = DIV_FROM_REG(new_div);
759
760 if (nr < 4) { /* 0 <= nr < 4 */
1da177e4 761 adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3,
52bc9802
GG		 762 (DIV_TO_REG(data->fan_div[0]) << 0) |
763 (DIV_TO_REG(data->fan_div[1]) << 2) |
764 (DIV_TO_REG(data->fan_div[2]) << 4) |
765 (DIV_TO_REG(data->fan_div[3]) << 6));
1da177e4 766 } else { /* 3 < nr < 8 */
1da177e4 767 adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7,
52bc9802
GG		 768 (DIV_TO_REG(data->fan_div[4]) << 0) |
769 (DIV_TO_REG(data->fan_div[5]) << 2) |
770 (DIV_TO_REG(data->fan_div[6]) << 4) |
771 (DIV_TO_REG(data->fan_div[7]) << 6));
1da177e4
LT		 772 }
773
86aa3e22 774 if (data->fan_div[nr] != orig_div)
cb01a231 775 fixup_fan_min(dev, nr, orig_div);
86aa3e22 776
9a61bf63 777 mutex_unlock(&data->update_lock);
1da177e4
LT		 778 return count;
779}
780
7ded2315
GR		 781static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0);
782static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1);
783static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2);
784static SENSOR_DEVICE_ATTR_RW(fan4_div, fan_div, 3);
785static SENSOR_DEVICE_ATTR_RW(fan5_div, fan_div, 4);
786static SENSOR_DEVICE_ATTR_RW(fan6_div, fan_div, 5);
787static SENSOR_DEVICE_ATTR_RW(fan7_div, fan_div, 6);
788static SENSOR_DEVICE_ATTR_RW(fan8_div, fan_div, 7);
1da177e4
LT		 789
790/* Temps */
7ded2315
GR		 791static ssize_t temp_show(struct device *dev, struct device_attribute *attr,
792 char *buf)
1da177e4 793{
050480f1
YI		 794 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
795 int nr = sensor_attr->index;
1da177e4 796 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 797 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
1da177e4 798}
7ded2315
GR		 799static ssize_t temp_min_show(struct device *dev,
800 struct device_attribute *attr, char *buf)
1da177e4 801{
050480f1
YI		 802 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
803 int nr = sensor_attr->index;
1da177e4 804 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 805 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr]));
1da177e4 806}
7ded2315
GR		 807static ssize_t temp_min_store(struct device *dev,
808 struct device_attribute *attr, const char *buf,
809 size_t count)
1da177e4 810{
050480f1
YI		 811 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
812 int nr = sensor_attr->index;
b591d3c1
AL		 813 struct adm1026_data *data = dev_get_drvdata(dev);
814 struct i2c_client *client = data->client;
86aa3e22
GR		 815 long val;
816 int err;
817
818 err = kstrtol(buf, 10, &val);
819 if (err)
820 return err;
1da177e4 821
9a61bf63 822 mutex_lock(&data->update_lock);
1da177e4
LT		 823 data->temp_min[nr] = TEMP_TO_REG(val);
824 adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr],
825 data->temp_min[nr]);
9a61bf63 826 mutex_unlock(&data->update_lock);
1da177e4
LT		 827 return count;
828}
7ded2315
GR		 829static ssize_t temp_max_show(struct device *dev,
830 struct device_attribute *attr, char *buf)
1da177e4 831{
050480f1
YI		 832 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
833 int nr = sensor_attr->index;
1da177e4 834 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 835 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr]));
1da177e4 836}
7ded2315
GR		 837static ssize_t temp_max_store(struct device *dev,
838 struct device_attribute *attr, const char *buf,
839 size_t count)
1da177e4 840{
050480f1
YI		 841 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
842 int nr = sensor_attr->index;
b591d3c1
AL		 843 struct adm1026_data *data = dev_get_drvdata(dev);
844 struct i2c_client *client = data->client;
86aa3e22
GR		 845 long val;
846 int err;
847
848 err = kstrtol(buf, 10, &val);
849 if (err)
850 return err;
1da177e4 851
9a61bf63 852 mutex_lock(&data->update_lock);
1da177e4
LT		 853 data->temp_max[nr] = TEMP_TO_REG(val);
854 adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr],
855 data->temp_max[nr]);
9a61bf63 856 mutex_unlock(&data->update_lock);
1da177e4
LT		 857 return count;
858}
050480f1 859
7ded2315
GR		 860static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0);
861static SENSOR_DEVICE_ATTR_RW(temp1_min, temp_min, 0);
862static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0);
863static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1);
864static SENSOR_DEVICE_ATTR_RW(temp2_min, temp_min, 1);
865static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1);
866static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2);
867static SENSOR_DEVICE_ATTR_RW(temp3_min, temp_min, 2);
868static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2);
869
870static ssize_t temp_offset_show(struct device *dev,
871 struct device_attribute *attr, char *buf)
1da177e4 872{
050480f1
YI		 873 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
874 int nr = sensor_attr->index;
1da177e4 875 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 876 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_offset[nr]));
1da177e4 877}
7ded2315
GR		 878static ssize_t temp_offset_store(struct device *dev,
879 struct device_attribute *attr,
880 const char *buf, size_t count)
1da177e4 881{
050480f1
YI		 882 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
883 int nr = sensor_attr->index;
b591d3c1
AL		 884 struct adm1026_data *data = dev_get_drvdata(dev);
885 struct i2c_client *client = data->client;
86aa3e22
GR		 886 long val;
887 int err;
888
889 err = kstrtol(buf, 10, &val);
890 if (err)
891 return err;
1da177e4 892
9a61bf63 893 mutex_lock(&data->update_lock);
1da177e4
LT		 894 data->temp_offset[nr] = TEMP_TO_REG(val);
895 adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr],
896 data->temp_offset[nr]);
9a61bf63 897 mutex_unlock(&data->update_lock);
1da177e4
LT		 898 return count;
899}
900
7ded2315
GR		 901static SENSOR_DEVICE_ATTR_RW(temp1_offset, temp_offset, 0);
902static SENSOR_DEVICE_ATTR_RW(temp2_offset, temp_offset, 1);
903static SENSOR_DEVICE_ATTR_RW(temp3_offset, temp_offset, 2);
1da177e4 904
7ded2315
GR		 905static ssize_t temp_auto_point1_temp_hyst_show(struct device *dev,
906 struct device_attribute *attr,
907 char *buf)
1da177e4 908{
050480f1
YI		 909 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
910 int nr = sensor_attr->index;
1da177e4 911 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 912 return sprintf(buf, "%d\n", TEMP_FROM_REG(
1da177e4
LT		 913 ADM1026_FAN_ACTIVATION_TEMP_HYST + data->temp_tmin[nr]));
914}
7ded2315
GR		 915static ssize_t temp_auto_point2_temp_show(struct device *dev,
916 struct device_attribute *attr,
917 char *buf)
1da177e4 918{
050480f1
YI		 919 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
920 int nr = sensor_attr->index;
1da177e4 921 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 922 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr] +
1da177e4
LT		 923 ADM1026_FAN_CONTROL_TEMP_RANGE));
924}
7ded2315
GR		 925static ssize_t temp_auto_point1_temp_show(struct device *dev,
926 struct device_attribute *attr,
927 char *buf)
1da177e4 928{
050480f1
YI		 929 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
930 int nr = sensor_attr->index;
1da177e4 931 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 932 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr]));
1da177e4 933}
7ded2315
GR		 934static ssize_t temp_auto_point1_temp_store(struct device *dev,
935 struct device_attribute *attr,
936 const char *buf, size_t count)
1da177e4 937{
050480f1
YI		 938 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
939 int nr = sensor_attr->index;
b591d3c1
AL		 940 struct adm1026_data *data = dev_get_drvdata(dev);
941 struct i2c_client *client = data->client;
86aa3e22
GR		 942 long val;
943 int err;
944
945 err = kstrtol(buf, 10, &val);
946 if (err)
947 return err;
1da177e4 948
9a61bf63 949 mutex_lock(&data->update_lock);
1da177e4
LT		 950 data->temp_tmin[nr] = TEMP_TO_REG(val);
951 adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr],
952 data->temp_tmin[nr]);
9a61bf63 953 mutex_unlock(&data->update_lock);
1da177e4
LT		 954 return count;
955}
956
7ded2315
GR		 957static SENSOR_DEVICE_ATTR_RW(temp1_auto_point1_temp, temp_auto_point1_temp, 0);
958static SENSOR_DEVICE_ATTR_RO(temp1_auto_point1_temp_hyst,
959 temp_auto_point1_temp_hyst, 0);
960static SENSOR_DEVICE_ATTR_RO(temp1_auto_point2_temp, temp_auto_point2_temp, 0);
961static SENSOR_DEVICE_ATTR_RW(temp2_auto_point1_temp, temp_auto_point1_temp, 1);
962static SENSOR_DEVICE_ATTR_RO(temp2_auto_point1_temp_hyst,
963 temp_auto_point1_temp_hyst, 1);
964static SENSOR_DEVICE_ATTR_RO(temp2_auto_point2_temp, temp_auto_point2_temp, 1);
965static SENSOR_DEVICE_ATTR_RW(temp3_auto_point1_temp, temp_auto_point1_temp, 2);
966static SENSOR_DEVICE_ATTR_RO(temp3_auto_point1_temp_hyst,
967 temp_auto_point1_temp_hyst, 2);
968static SENSOR_DEVICE_ATTR_RO(temp3_auto_point2_temp, temp_auto_point2_temp, 2);
1da177e4 969
050480f1
YI		 970static ssize_t show_temp_crit_enable(struct device *dev,
971 struct device_attribute *attr, char *buf)
1da177e4
LT		 972{
973 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 974 return sprintf(buf, "%d\n", (data->config1 & CFG1_THERM_HOT) >> 4);
1da177e4 975}
050480f1
YI		 976static ssize_t set_temp_crit_enable(struct device *dev,
977 struct device_attribute *attr, const char *buf, size_t count)
1da177e4 978{
b591d3c1
AL		 979 struct adm1026_data *data = dev_get_drvdata(dev);
980 struct i2c_client *client = data->client;
86aa3e22
GR		 981 unsigned long val;
982 int err;
983
984 err = kstrtoul(buf, 10, &val);
985 if (err)
986 return err;
987
988 if (val > 1)
989 return -EINVAL;
990
991 mutex_lock(&data->update_lock);
992 data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
993 adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
994 mutex_unlock(&data->update_lock);
1da177e4 995
1da177e4
LT		 996 return count;
997}
998
7ded2315
GR		 999static DEVICE_ATTR(temp1_crit_enable, 0644, show_temp_crit_enable,
1000 set_temp_crit_enable);
1001static DEVICE_ATTR(temp2_crit_enable, 0644, show_temp_crit_enable,
1002 set_temp_crit_enable);
1003static DEVICE_ATTR(temp3_crit_enable, 0644, show_temp_crit_enable,
1004 set_temp_crit_enable);
1da177e4 1005
7ded2315
GR		 1006static ssize_t temp_crit_show(struct device *dev,
1007 struct device_attribute *attr, char *buf)
1da177e4 1008{
050480f1
YI		 1009 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1010 int nr = sensor_attr->index;
1da177e4 1011 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1012 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[nr]));
1da177e4 1013}
7ded2315
GR		 1014static ssize_t temp_crit_store(struct device *dev,
1015 struct device_attribute *attr, const char *buf,
1016 size_t count)
1da177e4 1017{
050480f1
YI		 1018 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1019 int nr = sensor_attr->index;
b591d3c1
AL		 1020 struct adm1026_data *data = dev_get_drvdata(dev);
1021 struct i2c_client *client = data->client;
86aa3e22
GR		 1022 long val;
1023 int err;
1024
1025 err = kstrtol(buf, 10, &val);
1026 if (err)
1027 return err;
1da177e4 1028
9a61bf63 1029 mutex_lock(&data->update_lock);
1da177e4
LT		 1030 data->temp_crit[nr] = TEMP_TO_REG(val);
1031 adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr],
1032 data->temp_crit[nr]);
9a61bf63 1033 mutex_unlock(&data->update_lock);
1da177e4
LT		 1034 return count;
1035}
1036
7ded2315
GR		 1037static SENSOR_DEVICE_ATTR_RW(temp1_crit, temp_crit, 0);
1038static SENSOR_DEVICE_ATTR_RW(temp2_crit, temp_crit, 1);
1039static SENSOR_DEVICE_ATTR_RW(temp3_crit, temp_crit, 2);
1da177e4 1040
6d3c213d
JL		 1041static ssize_t analog_out_show(struct device *dev,
1042 struct device_attribute *attr, char *buf)
1da177e4
LT		 1043{
1044 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1045 return sprintf(buf, "%d\n", DAC_FROM_REG(data->analog_out));
1da177e4 1046}
6d3c213d
JL		 1047static ssize_t analog_out_store(struct device *dev,
1048 struct device_attribute *attr,
1049 const char *buf, size_t count)
1da177e4 1050{
b591d3c1
AL		 1051 struct adm1026_data *data = dev_get_drvdata(dev);
1052 struct i2c_client *client = data->client;
86aa3e22
GR		 1053 long val;
1054 int err;
1055
1056 err = kstrtol(buf, 10, &val);
1057 if (err)
1058 return err;
1da177e4 1059
9a61bf63 1060 mutex_lock(&data->update_lock);
1da177e4
LT		 1061 data->analog_out = DAC_TO_REG(val);
1062 adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out);
9a61bf63 1063 mutex_unlock(&data->update_lock);
1da177e4
LT		 1064 return count;
1065}
1066
6d3c213d 1067static DEVICE_ATTR_RW(analog_out);
1da177e4 1068
6d3c213d
JL		 1069static ssize_t cpu0_vid_show(struct device *dev,
1070 struct device_attribute *attr, char *buf)
1da177e4
LT		 1071{
1072 struct adm1026_data *data = adm1026_update_device(dev);
a0cf354a
JD		 1073 int vid = (data->gpio >> 11) & 0x1f;
1074
1075 dev_dbg(dev, "Setting VID from GPIO11-15.\n");
1076 return sprintf(buf, "%d\n", vid_from_reg(vid, data->vrm));
1da177e4 1077}
86aa3e22 1078
6d3c213d 1079static DEVICE_ATTR_RO(cpu0_vid);
1da177e4 1080
6d3c213d
JL		 1081static ssize_t vrm_show(struct device *dev, struct device_attribute *attr,
1082 char *buf)
1da177e4 1083{
90d6619a 1084 struct adm1026_data *data = dev_get_drvdata(dev);
cb01a231 1085 return sprintf(buf, "%d\n", data->vrm);
1da177e4 1086}
86aa3e22 1087
6d3c213d
JL		 1088static ssize_t vrm_store(struct device *dev, struct device_attribute *attr,
1089 const char *buf, size_t count)
1da177e4 1090{
f67fdabf 1091 struct adm1026_data *data = dev_get_drvdata(dev);
86aa3e22
GR		 1092 unsigned long val;
1093 int err;
1094
1095 err = kstrtoul(buf, 10, &val);
1096 if (err)
1097 return err;
1da177e4 1098
a4461647
AL		 1099 if (val > 255)
1100 return -EINVAL;
1101
86aa3e22 1102 data->vrm = val;
1da177e4
LT		 1103 return count;
1104}
1105
6d3c213d 1106static DEVICE_ATTR_RW(vrm);
1da177e4 1107
6d3c213d
JL		 1108static ssize_t alarms_show(struct device *dev, struct device_attribute *attr,
1109 char *buf)
1da177e4
LT		 1110{
1111 struct adm1026_data *data = adm1026_update_device(dev);
f67fdabf 1112 return sprintf(buf, "%ld\n", data->alarms);
1da177e4
LT		 1113}
1114
6d3c213d 1115static DEVICE_ATTR_RO(alarms);
1da177e4 1116
7ded2315 1117static ssize_t alarm_show(struct device *dev, struct device_attribute *attr,
a9273cb8
JD		 1118 char *buf)
1119{
1120 struct adm1026_data *data = adm1026_update_device(dev);
1121 int bitnr = to_sensor_dev_attr(attr)->index;
1122 return sprintf(buf, "%ld\n", (data->alarms >> bitnr) & 1);
1123}
1124
7ded2315
GR		 1125static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 0);
1126static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 1);
1127static SENSOR_DEVICE_ATTR_RO(in9_alarm, alarm, 1);
1128static SENSOR_DEVICE_ATTR_RO(in11_alarm, alarm, 2);
1129static SENSOR_DEVICE_ATTR_RO(in12_alarm, alarm, 3);
1130static SENSOR_DEVICE_ATTR_RO(in13_alarm, alarm, 4);
1131static SENSOR_DEVICE_ATTR_RO(in14_alarm, alarm, 5);
1132static SENSOR_DEVICE_ATTR_RO(in15_alarm, alarm, 6);
1133static SENSOR_DEVICE_ATTR_RO(in16_alarm, alarm, 7);
1134static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 8);
1135static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 9);
1136static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 10);
1137static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 11);
1138static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 12);
1139static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 13);
1140static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 14);
1141static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 15);
1142static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 16);
1143static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 17);
1144static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 18);
1145static SENSOR_DEVICE_ATTR_RO(fan4_alarm, alarm, 19);
1146static SENSOR_DEVICE_ATTR_RO(fan5_alarm, alarm, 20);
1147static SENSOR_DEVICE_ATTR_RO(fan6_alarm, alarm, 21);
1148static SENSOR_DEVICE_ATTR_RO(fan7_alarm, alarm, 22);
1149static SENSOR_DEVICE_ATTR_RO(fan8_alarm, alarm, 23);
1150static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 24);
1151static SENSOR_DEVICE_ATTR_RO(in10_alarm, alarm, 25);
1152static SENSOR_DEVICE_ATTR_RO(in8_alarm, alarm, 26);
a9273cb8 1153
6d3c213d 1154static ssize_t alarm_mask_show(struct device *dev,
86aa3e22 1155 struct device_attribute *attr, char *buf)
1da177e4
LT		 1156{
1157 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1158 return sprintf(buf, "%ld\n", data->alarm_mask);
1da177e4 1159}
6d3c213d
JL		 1160static ssize_t alarm_mask_store(struct device *dev,
1161 struct device_attribute *attr,
1162 const char *buf, size_t count)
1da177e4 1163{
b591d3c1
AL		 1164 struct adm1026_data *data = dev_get_drvdata(dev);
1165 struct i2c_client *client = data->client;
1da177e4 1166 unsigned long mask;
86aa3e22
GR		 1167 long val;
1168 int err;
1169
1170 err = kstrtol(buf, 10, &val);
1171 if (err)
1172 return err;
1da177e4 1173
9a61bf63 1174 mutex_lock(&data->update_lock);
1da177e4
LT		 1175 data->alarm_mask = val & 0x7fffffff;
1176 mask = data->alarm_mask
1177 | (data->gpio_mask & 0x10000 ? 0x80000000 : 0);
1178 adm1026_write_value(client, ADM1026_REG_MASK1,
1179 mask & 0xff);
1180 mask >>= 8;
1181 adm1026_write_value(client, ADM1026_REG_MASK2,
1182 mask & 0xff);
1183 mask >>= 8;
1184 adm1026_write_value(client, ADM1026_REG_MASK3,
1185 mask & 0xff);
1186 mask >>= 8;
1187 adm1026_write_value(client, ADM1026_REG_MASK4,
1188 mask & 0xff);
9a61bf63 1189 mutex_unlock(&data->update_lock);
1da177e4
LT		 1190 return count;
1191}
1192
6d3c213d 1193static DEVICE_ATTR_RW(alarm_mask);
1da177e4 1194
6d3c213d 1195static ssize_t gpio_show(struct device *dev, struct device_attribute *attr,
86aa3e22 1196 char *buf)
1da177e4
LT		 1197{
1198 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1199 return sprintf(buf, "%ld\n", data->gpio);
1da177e4 1200}
6d3c213d
JL		 1201static ssize_t gpio_store(struct device *dev, struct device_attribute *attr,
1202 const char *buf, size_t count)
1da177e4 1203{
b591d3c1
AL		 1204 struct adm1026_data *data = dev_get_drvdata(dev);
1205 struct i2c_client *client = data->client;
cb01a231 1206 long gpio;
86aa3e22
GR		 1207 long val;
1208 int err;
1209
1210 err = kstrtol(buf, 10, &val);
1211 if (err)
1212 return err;
1da177e4 1213
9a61bf63 1214 mutex_lock(&data->update_lock);
1da177e4
LT		 1215 data->gpio = val & 0x1ffff;
1216 gpio = data->gpio;
cb01a231 1217 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7, gpio & 0xff);
1da177e4 1218 gpio >>= 8;
cb01a231 1219 adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15, gpio & 0xff);
1da177e4 1220 gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f);
cb01a231 1221 adm1026_write_value(client, ADM1026_REG_STATUS4, gpio & 0xff);
9a61bf63 1222 mutex_unlock(&data->update_lock);
1da177e4
LT		 1223 return count;
1224}
1225
6d3c213d 1226static DEVICE_ATTR_RW(gpio);
1da177e4 1227
6d3c213d
JL		 1228static ssize_t gpio_mask_show(struct device *dev,
1229 struct device_attribute *attr,
86aa3e22 1230 char *buf)
1da177e4
LT		 1231{
1232 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1233 return sprintf(buf, "%ld\n", data->gpio_mask);
1da177e4 1234}
6d3c213d
JL		 1235static ssize_t gpio_mask_store(struct device *dev,
1236 struct device_attribute *attr, const char *buf,
1237 size_t count)
1da177e4 1238{
b591d3c1
AL		 1239 struct adm1026_data *data = dev_get_drvdata(dev);
1240 struct i2c_client *client = data->client;
cb01a231 1241 long mask;
86aa3e22
GR		 1242 long val;
1243 int err;
1244
1245 err = kstrtol(buf, 10, &val);
1246 if (err)
1247 return err;
1da177e4 1248
9a61bf63 1249 mutex_lock(&data->update_lock);
1da177e4
LT		 1250 data->gpio_mask = val & 0x1ffff;
1251 mask = data->gpio_mask;
cb01a231 1252 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7, mask & 0xff);
1da177e4 1253 mask >>= 8;
cb01a231 1254 adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15, mask & 0xff);
1da177e4 1255 mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f);
cb01a231 1256 adm1026_write_value(client, ADM1026_REG_MASK1, mask & 0xff);
9a61bf63 1257 mutex_unlock(&data->update_lock);
1da177e4
LT		 1258 return count;
1259}
1260
6d3c213d 1261static DEVICE_ATTR_RW(gpio_mask);
1da177e4 1262
6d3c213d
JL		 1263static ssize_t pwm1_show(struct device *dev, struct device_attribute *attr,
1264 char *buf)
1da177e4
LT		 1265{
1266 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1267 return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm1.pwm));
1da177e4 1268}
86aa3e22 1269
6d3c213d
JL		 1270static ssize_t pwm1_store(struct device *dev, struct device_attribute *attr,
1271 const char *buf, size_t count)
1da177e4 1272{
b591d3c1
AL		 1273 struct adm1026_data *data = dev_get_drvdata(dev);
1274 struct i2c_client *client = data->client;
1da177e4
LT		 1275
1276 if (data->pwm1.enable == 1) {
86aa3e22
GR		 1277 long val;
1278 int err;
1279
1280 err = kstrtol(buf, 10, &val);
1281 if (err)
1282 return err;
1da177e4 1283
9a61bf63 1284 mutex_lock(&data->update_lock);
1da177e4
LT		 1285 data->pwm1.pwm = PWM_TO_REG(val);
1286 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
9a61bf63 1287 mutex_unlock(&data->update_lock);
1da177e4
LT		 1288 }
1289 return count;
1290}
86aa3e22 1291
6d3c213d
JL		 1292static ssize_t temp1_auto_point1_pwm_show(struct device *dev,
1293 struct device_attribute *attr,
1294 char *buf)
1da177e4
LT		 1295{
1296 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1297 return sprintf(buf, "%d\n", data->pwm1.auto_pwm_min);
1da177e4 1298}
86aa3e22 1299
6d3c213d
JL		 1300static ssize_t temp1_auto_point1_pwm_store(struct device *dev,
1301 struct device_attribute *attr,
1302 const char *buf, size_t count)
1da177e4 1303{
b591d3c1
AL		 1304 struct adm1026_data *data = dev_get_drvdata(dev);
1305 struct i2c_client *client = data->client;
86aa3e22
GR		 1306 unsigned long val;
1307 int err;
1308
1309 err = kstrtoul(buf, 10, &val);
1310 if (err)
1311 return err;
1da177e4 1312
9a61bf63 1313 mutex_lock(&data->update_lock);
2a844c14 1314 data->pwm1.auto_pwm_min = clamp_val(val, 0, 255);
1da177e4
LT		 1315 if (data->pwm1.enable == 2) { /* apply immediately */
1316 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
cb01a231 1317 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1da177e4
LT		 1318 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1319 }
9a61bf63 1320 mutex_unlock(&data->update_lock);
1da177e4
LT		 1321 return count;
1322}
86aa3e22 1323
6d3c213d
JL		 1324static ssize_t temp1_auto_point2_pwm_show(struct device *dev,
1325 struct device_attribute *attr,
1326 char *buf)
1da177e4 1327{
cb01a231 1328 return sprintf(buf, "%d\n", ADM1026_PWM_MAX);
1da177e4 1329}
86aa3e22 1330
6d3c213d
JL		 1331static ssize_t pwm1_enable_show(struct device *dev,
1332 struct device_attribute *attr, char *buf)
1da177e4
LT		 1333{
1334 struct adm1026_data *data = adm1026_update_device(dev);
cb01a231 1335 return sprintf(buf, "%d\n", data->pwm1.enable);
1da177e4 1336}
86aa3e22 1337
6d3c213d
JL		 1338static ssize_t pwm1_enable_store(struct device *dev,
1339 struct device_attribute *attr,
1340 const char *buf, size_t count)
1da177e4 1341{
b591d3c1
AL		 1342 struct adm1026_data *data = dev_get_drvdata(dev);
1343 struct i2c_client *client = data->client;
cb01a231 1344 int old_enable;
86aa3e22
GR		 1345 unsigned long val;
1346 int err;
1da177e4 1347
86aa3e22
GR		 1348 err = kstrtoul(buf, 10, &val);
1349 if (err)
1350 return err;
1351
1352 if (val >= 3)
1353 return -EINVAL;
1354
1355 mutex_lock(&data->update_lock);
1356 old_enable = data->pwm1.enable;
1357 data->pwm1.enable = val;
1358 data->config1 = (data->config1 & ~CFG1_PWM_AFC)
1359 | ((val == 2) ? CFG1_PWM_AFC : 0);
1360 adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
1361 if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */
1362 data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
1363 PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
1364 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1365 } else if (!((old_enable == 1) && (val == 1))) {
1366 /* set pwm to safe value */
1367 data->pwm1.pwm = 255;
1368 adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
1da177e4 1369 }
86aa3e22
GR		 1370 mutex_unlock(&data->update_lock);
1371
1da177e4
LT		 1372 return count;
1373}
1374
1375/* enable PWM fan control */
6d3c213d 1376static DEVICE_ATTR_RW(pwm1);
7ded2315
GR		 1377static DEVICE_ATTR(pwm2, 0644, pwm1_show, pwm1_store);
1378static DEVICE_ATTR(pwm3, 0644, pwm1_show, pwm1_store);
6d3c213d 1379static DEVICE_ATTR_RW(pwm1_enable);
7ded2315 1380static DEVICE_ATTR(pwm2_enable, 0644, pwm1_enable_show,
6d3c213d 1381 pwm1_enable_store);
7ded2315 1382static DEVICE_ATTR(pwm3_enable, 0644, pwm1_enable_show,
6d3c213d
JL		 1383 pwm1_enable_store);
1384static DEVICE_ATTR_RW(temp1_auto_point1_pwm);
7ded2315
GR		 1385static DEVICE_ATTR(temp2_auto_point1_pwm, 0644,
1386 temp1_auto_point1_pwm_show, temp1_auto_point1_pwm_store);
1387static DEVICE_ATTR(temp3_auto_point1_pwm, 0644,
1388 temp1_auto_point1_pwm_show, temp1_auto_point1_pwm_store);
1da177e4 1389
6d3c213d 1390static DEVICE_ATTR_RO(temp1_auto_point2_pwm);
7ded2315 1391static DEVICE_ATTR(temp2_auto_point2_pwm, 0444, temp1_auto_point2_pwm_show,
6d3c213d 1392 NULL);
7ded2315 1393static DEVICE_ATTR(temp3_auto_point2_pwm, 0444, temp1_auto_point2_pwm_show,
6d3c213d 1394 NULL);
1da177e4 1395
681c6f7a
MH		 1396static struct attribute *adm1026_attributes[] = {
1397 &sensor_dev_attr_in0_input.dev_attr.attr,
1398 &sensor_dev_attr_in0_max.dev_attr.attr,
1399 &sensor_dev_attr_in0_min.dev_attr.attr,
a9273cb8 1400 &sensor_dev_attr_in0_alarm.dev_attr.attr,
681c6f7a
MH		 1401 &sensor_dev_attr_in1_input.dev_attr.attr,
1402 &sensor_dev_attr_in1_max.dev_attr.attr,
1403 &sensor_dev_attr_in1_min.dev_attr.attr,
a9273cb8 1404 &sensor_dev_attr_in1_alarm.dev_attr.attr,
681c6f7a
MH		 1405 &sensor_dev_attr_in2_input.dev_attr.attr,
1406 &sensor_dev_attr_in2_max.dev_attr.attr,
1407 &sensor_dev_attr_in2_min.dev_attr.attr,
a9273cb8 1408 &sensor_dev_attr_in2_alarm.dev_attr.attr,
681c6f7a
MH		 1409 &sensor_dev_attr_in3_input.dev_attr.attr,
1410 &sensor_dev_attr_in3_max.dev_attr.attr,
1411 &sensor_dev_attr_in3_min.dev_attr.attr,
a9273cb8 1412 &sensor_dev_attr_in3_alarm.dev_attr.attr,
681c6f7a
MH		 1413 &sensor_dev_attr_in4_input.dev_attr.attr,
1414 &sensor_dev_attr_in4_max.dev_attr.attr,
1415 &sensor_dev_attr_in4_min.dev_attr.attr,
a9273cb8 1416 &sensor_dev_attr_in4_alarm.dev_attr.attr,
681c6f7a
MH		 1417 &sensor_dev_attr_in5_input.dev_attr.attr,
1418 &sensor_dev_attr_in5_max.dev_attr.attr,
1419 &sensor_dev_attr_in5_min.dev_attr.attr,
a9273cb8 1420 &sensor_dev_attr_in5_alarm.dev_attr.attr,
681c6f7a
MH		 1421 &sensor_dev_attr_in6_input.dev_attr.attr,
1422 &sensor_dev_attr_in6_max.dev_attr.attr,
1423 &sensor_dev_attr_in6_min.dev_attr.attr,
a9273cb8 1424 &sensor_dev_attr_in6_alarm.dev_attr.attr,
681c6f7a
MH		 1425 &sensor_dev_attr_in7_input.dev_attr.attr,
1426 &sensor_dev_attr_in7_max.dev_attr.attr,
1427 &sensor_dev_attr_in7_min.dev_attr.attr,
a9273cb8 1428 &sensor_dev_attr_in7_alarm.dev_attr.attr,
681c6f7a
MH		 1429 &sensor_dev_attr_in10_input.dev_attr.attr,
1430 &sensor_dev_attr_in10_max.dev_attr.attr,
1431 &sensor_dev_attr_in10_min.dev_attr.attr,
a9273cb8 1432 &sensor_dev_attr_in10_alarm.dev_attr.attr,
681c6f7a
MH		 1433 &sensor_dev_attr_in11_input.dev_attr.attr,
1434 &sensor_dev_attr_in11_max.dev_attr.attr,
1435 &sensor_dev_attr_in11_min.dev_attr.attr,
a9273cb8 1436 &sensor_dev_attr_in11_alarm.dev_attr.attr,
681c6f7a
MH		 1437 &sensor_dev_attr_in12_input.dev_attr.attr,
1438 &sensor_dev_attr_in12_max.dev_attr.attr,
1439 &sensor_dev_attr_in12_min.dev_attr.attr,
a9273cb8 1440 &sensor_dev_attr_in12_alarm.dev_attr.attr,
681c6f7a
MH		 1441 &sensor_dev_attr_in13_input.dev_attr.attr,
1442 &sensor_dev_attr_in13_max.dev_attr.attr,
1443 &sensor_dev_attr_in13_min.dev_attr.attr,
a9273cb8 1444 &sensor_dev_attr_in13_alarm.dev_attr.attr,
681c6f7a
MH		 1445 &sensor_dev_attr_in14_input.dev_attr.attr,
1446 &sensor_dev_attr_in14_max.dev_attr.attr,
1447 &sensor_dev_attr_in14_min.dev_attr.attr,
a9273cb8 1448 &sensor_dev_attr_in14_alarm.dev_attr.attr,
681c6f7a
MH		 1449 &sensor_dev_attr_in15_input.dev_attr.attr,
1450 &sensor_dev_attr_in15_max.dev_attr.attr,
1451 &sensor_dev_attr_in15_min.dev_attr.attr,
a9273cb8 1452 &sensor_dev_attr_in15_alarm.dev_attr.attr,
681c6f7a
MH		 1453 &sensor_dev_attr_in16_input.dev_attr.attr,
1454 &sensor_dev_attr_in16_max.dev_attr.attr,
1455 &sensor_dev_attr_in16_min.dev_attr.attr,
a9273cb8 1456 &sensor_dev_attr_in16_alarm.dev_attr.attr,
681c6f7a
MH		 1457 &sensor_dev_attr_fan1_input.dev_attr.attr,
1458 &sensor_dev_attr_fan1_div.dev_attr.attr,
1459 &sensor_dev_attr_fan1_min.dev_attr.attr,
a9273cb8 1460 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
681c6f7a
MH		 1461 &sensor_dev_attr_fan2_input.dev_attr.attr,
1462 &sensor_dev_attr_fan2_div.dev_attr.attr,
1463 &sensor_dev_attr_fan2_min.dev_attr.attr,
a9273cb8 1464 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
681c6f7a
MH		 1465 &sensor_dev_attr_fan3_input.dev_attr.attr,
1466 &sensor_dev_attr_fan3_div.dev_attr.attr,
1467 &sensor_dev_attr_fan3_min.dev_attr.attr,
a9273cb8 1468 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
681c6f7a
MH		 1469 &sensor_dev_attr_fan4_input.dev_attr.attr,
1470 &sensor_dev_attr_fan4_div.dev_attr.attr,
1471 &sensor_dev_attr_fan4_min.dev_attr.attr,
a9273cb8 1472 &sensor_dev_attr_fan4_alarm.dev_attr.attr,
681c6f7a
MH		 1473 &sensor_dev_attr_fan5_input.dev_attr.attr,
1474 &sensor_dev_attr_fan5_div.dev_attr.attr,
1475 &sensor_dev_attr_fan5_min.dev_attr.attr,
a9273cb8 1476 &sensor_dev_attr_fan5_alarm.dev_attr.attr,
681c6f7a
MH		 1477 &sensor_dev_attr_fan6_input.dev_attr.attr,
1478 &sensor_dev_attr_fan6_div.dev_attr.attr,
1479 &sensor_dev_attr_fan6_min.dev_attr.attr,
a9273cb8 1480 &sensor_dev_attr_fan6_alarm.dev_attr.attr,
681c6f7a
MH		 1481 &sensor_dev_attr_fan7_input.dev_attr.attr,
1482 &sensor_dev_attr_fan7_div.dev_attr.attr,
1483 &sensor_dev_attr_fan7_min.dev_attr.attr,
a9273cb8 1484 &sensor_dev_attr_fan7_alarm.dev_attr.attr,
681c6f7a
MH		 1485 &sensor_dev_attr_fan8_input.dev_attr.attr,
1486 &sensor_dev_attr_fan8_div.dev_attr.attr,
1487 &sensor_dev_attr_fan8_min.dev_attr.attr,
a9273cb8 1488 &sensor_dev_attr_fan8_alarm.dev_attr.attr,
681c6f7a
MH		 1489 &sensor_dev_attr_temp1_input.dev_attr.attr,
1490 &sensor_dev_attr_temp1_max.dev_attr.attr,
1491 &sensor_dev_attr_temp1_min.dev_attr.attr,
a9273cb8 1492 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
681c6f7a
MH		 1493 &sensor_dev_attr_temp2_input.dev_attr.attr,
1494 &sensor_dev_attr_temp2_max.dev_attr.attr,
1495 &sensor_dev_attr_temp2_min.dev_attr.attr,
a9273cb8 1496 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
681c6f7a
MH		 1497 &sensor_dev_attr_temp1_offset.dev_attr.attr,
1498 &sensor_dev_attr_temp2_offset.dev_attr.attr,
681c6f7a
MH		 1499 &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr,
1500 &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr,
681c6f7a
MH		 1501 &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr,
1502 &sensor_dev_attr_temp2_auto_point1_temp_hyst.dev_attr.attr,
681c6f7a
MH		 1503 &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr,
1504 &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr,
681c6f7a
MH		 1505 &sensor_dev_attr_temp1_crit.dev_attr.attr,
1506 &sensor_dev_attr_temp2_crit.dev_attr.attr,
681c6f7a
MH		 1507 &dev_attr_temp1_crit_enable.attr,
1508 &dev_attr_temp2_crit_enable.attr,
681c6f7a
MH		 1509 &dev_attr_cpu0_vid.attr,
1510 &dev_attr_vrm.attr,
1511 &dev_attr_alarms.attr,
1512 &dev_attr_alarm_mask.attr,
1513 &dev_attr_gpio.attr,
1514 &dev_attr_gpio_mask.attr,
1515 &dev_attr_pwm1.attr,
1516 &dev_attr_pwm2.attr,
1517 &dev_attr_pwm3.attr,
1518 &dev_attr_pwm1_enable.attr,
1519 &dev_attr_pwm2_enable.attr,
1520 &dev_attr_pwm3_enable.attr,
1521 &dev_attr_temp1_auto_point1_pwm.attr,
1522 &dev_attr_temp2_auto_point1_pwm.attr,
681c6f7a
MH		 1523 &dev_attr_temp1_auto_point2_pwm.attr,
1524 &dev_attr_temp2_auto_point2_pwm.attr,
681c6f7a
MH		 1525 &dev_attr_analog_out.attr,
1526 NULL
1527};
1528
1529static const struct attribute_group adm1026_group = {
1530 .attrs = adm1026_attributes,
1531};
1532
5b34dbcd
JD		 1533static struct attribute *adm1026_attributes_temp3[] = {
1534 &sensor_dev_attr_temp3_input.dev_attr.attr,
1535 &sensor_dev_attr_temp3_max.dev_attr.attr,
1536 &sensor_dev_attr_temp3_min.dev_attr.attr,
1537 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
1538 &sensor_dev_attr_temp3_offset.dev_attr.attr,
1539 &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr,
1540 &sensor_dev_attr_temp3_auto_point1_temp_hyst.dev_attr.attr,
1541 &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr,
1542 &sensor_dev_attr_temp3_crit.dev_attr.attr,
1543 &dev_attr_temp3_crit_enable.attr,
1544 &dev_attr_temp3_auto_point1_pwm.attr,
1545 &dev_attr_temp3_auto_point2_pwm.attr,
1d5f2c16 1546 NULL
5b34dbcd
JD		 1547};
1548
1549static const struct attribute_group adm1026_group_temp3 = {
1550 .attrs = adm1026_attributes_temp3,
1551};
1552
1553static struct attribute *adm1026_attributes_in8_9[] = {
1554 &sensor_dev_attr_in8_input.dev_attr.attr,
1555 &sensor_dev_attr_in8_max.dev_attr.attr,
1556 &sensor_dev_attr_in8_min.dev_attr.attr,
1557 &sensor_dev_attr_in8_alarm.dev_attr.attr,
1558 &sensor_dev_attr_in9_input.dev_attr.attr,
1559 &sensor_dev_attr_in9_max.dev_attr.attr,
1560 &sensor_dev_attr_in9_min.dev_attr.attr,
1561 &sensor_dev_attr_in9_alarm.dev_attr.attr,
1d5f2c16 1562 NULL
5b34dbcd
JD		 1563};
1564
1565static const struct attribute_group adm1026_group_in8_9 = {
1566 .attrs = adm1026_attributes_in8_9,
1567};
1568
57f7eb0b 1569/* Return 0 if detection is successful, -ENODEV otherwise */
310ec792 1570static int adm1026_detect(struct i2c_client *client,
57f7eb0b 1571 struct i2c_board_info *info)
1da177e4 1572{
57f7eb0b
JD		 1573 struct i2c_adapter *adapter = client->adapter;
1574 int address = client->addr;
1da177e4 1575 int company, verstep;
1da177e4
LT		 1576
1577 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
1578 /* We need to be able to do byte I/O */
57f7eb0b 1579 return -ENODEV;
a0393713 1580 }
1da177e4 1581
1da177e4
LT		 1582 /* Now, we do the remaining detection. */
1583
f67fdabf
JD		 1584 company = adm1026_read_value(client, ADM1026_REG_COMPANY);
1585 verstep = adm1026_read_value(client, ADM1026_REG_VERSTEP);
1da177e4 1586
b55f3757
GR		 1587 dev_dbg(&adapter->dev,
1588 "Detecting device at %d,0x%02x with COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
f67fdabf 1589 i2c_adapter_id(client->adapter), client->addr,
1da177e4
LT		 1590 company, verstep);
1591
52df6440
JD		 1592 /* Determine the chip type. */
1593 dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x...\n",
1594 i2c_adapter_id(adapter), address);
1595 if (company == ADM1026_COMPANY_ANALOG_DEV
1596 && verstep == ADM1026_VERSTEP_ADM1026) {
1597 /* Analog Devices ADM1026 */
1598 } else if (company == ADM1026_COMPANY_ANALOG_DEV
1599 && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
b55f3757
GR		 1600 dev_err(&adapter->dev,
1601 "Unrecognized stepping 0x%02x. Defaulting to ADM1026.\n",
1602 verstep);
52df6440 1603 } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
b55f3757
GR		 1604 dev_err(&adapter->dev,
1605 "Found version/stepping 0x%02x. Assuming generic ADM1026.\n",
52df6440
JD		 1606 verstep);
1607 } else {
1608 dev_dbg(&adapter->dev, "Autodetection failed\n");
1609 /* Not an ADM1026... */
1610 return -ENODEV;
1da177e4 1611 }
52df6440 1612
f2f394db 1613 strscpy(info->type, "adm1026", I2C_NAME_SIZE);
1da177e4 1614
57f7eb0b
JD		 1615 return 0;
1616}
1617
97df5566
AL		 1618static void adm1026_print_gpio(struct i2c_client *client)
1619{
1620 struct adm1026_data *data = i2c_get_clientdata(client);
1621 int i;
1622
1623 dev_dbg(&client->dev, "GPIO config is:\n");
1624 for (i = 0; i <= 7; ++i) {
1625 if (data->config2 & (1 << i)) {
1626 dev_dbg(&client->dev, "\t%sGP%s%d\n",
1627 data->gpio_config[i] & 0x02 ? "" : "!",
1628 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
1629 i);
1630 } else {
1631 dev_dbg(&client->dev, "\tFAN%d\n", i);
1632 }
1633 }
1634 for (i = 8; i <= 15; ++i) {
1635 dev_dbg(&client->dev, "\t%sGP%s%d\n",
1636 data->gpio_config[i] & 0x02 ? "" : "!",
1637 data->gpio_config[i] & 0x01 ? "OUT" : "IN",
1638 i);
1639 }
1640 if (data->config3 & CFG3_GPIO16_ENABLE) {
1641 dev_dbg(&client->dev, "\t%sGP%s16\n",
1642 data->gpio_config[16] & 0x02 ? "" : "!",
1643 data->gpio_config[16] & 0x01 ? "OUT" : "IN");
1644 } else {
1645 /* GPIO16 is THERM */
1646 dev_dbg(&client->dev, "\tTHERM\n");
1647 }
1648}
1649
1650static void adm1026_fixup_gpio(struct i2c_client *client)
1651{
1652 struct adm1026_data *data = i2c_get_clientdata(client);
1653 int i;
1654 int value;
1655
1656 /* Make the changes requested. */
1657 /*
1658 * We may need to unlock/stop monitoring or soft-reset the
1659 * chip before we can make changes. This hasn't been
1660 * tested much. FIXME
1661 */
1662
1663 /* Make outputs */
1664 for (i = 0; i <= 16; ++i) {
1665 if (gpio_output[i] >= 0 && gpio_output[i] <= 16)
1666 data->gpio_config[gpio_output[i]] |= 0x01;
1667 /* if GPIO0-7 is output, it isn't a FAN tach */
1668 if (gpio_output[i] >= 0 && gpio_output[i] <= 7)
1669 data->config2 |= 1 << gpio_output[i];
1670 }
1671
1672 /* Input overrides output */
1673 for (i = 0; i <= 16; ++i) {
1674 if (gpio_input[i] >= 0 && gpio_input[i] <= 16)
1675 data->gpio_config[gpio_input[i]] &= ~0x01;
1676 /* if GPIO0-7 is input, it isn't a FAN tach */
1677 if (gpio_input[i] >= 0 && gpio_input[i] <= 7)
1678 data->config2 |= 1 << gpio_input[i];
1679 }
1680
1681 /* Inverted */
1682 for (i = 0; i <= 16; ++i) {
1683 if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16)
1684 data->gpio_config[gpio_inverted[i]] &= ~0x02;
1685 }
1686
1687 /* Normal overrides inverted */
1688 for (i = 0; i <= 16; ++i) {
1689 if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16)
1690 data->gpio_config[gpio_normal[i]] |= 0x02;
1691 }
1692
1693 /* Fan overrides input and output */
1694 for (i = 0; i <= 7; ++i) {
1695 if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7)
1696 data->config2 &= ~(1 << gpio_fan[i]);
1697 }
1698
1699 /* Write new configs to registers */
1700 adm1026_write_value(client, ADM1026_REG_CONFIG2, data->config2);
1701 data->config3 = (data->config3 & 0x3f)
1702 | ((data->gpio_config[16] & 0x03) << 6);
1703 adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3);
1704 for (i = 15, value = 0; i >= 0; --i) {
1705 value <<= 2;
1706 value |= data->gpio_config[i] & 0x03;
1707 if ((i & 0x03) == 0) {
1708 adm1026_write_value(client,
1709 ADM1026_REG_GPIO_CFG_0_3 + i/4,
1710 value);
1711 value = 0;
1712 }
1713 }
1714
1715 /* Print the new config */
1716 adm1026_print_gpio(client);
1717}
1718
1719static void adm1026_init_client(struct i2c_client *client)
1720{
1721 int value, i;
1722 struct adm1026_data *data = i2c_get_clientdata(client);
1723
1724 dev_dbg(&client->dev, "Initializing device\n");
1725 /* Read chip config */
1726 data->config1 = adm1026_read_value(client, ADM1026_REG_CONFIG1);
1727 data->config2 = adm1026_read_value(client, ADM1026_REG_CONFIG2);
1728 data->config3 = adm1026_read_value(client, ADM1026_REG_CONFIG3);
1729
1730 /* Inform user of chip config */
1731 dev_dbg(&client->dev, "ADM1026_REG_CONFIG1 is: 0x%02x\n",
1732 data->config1);
1733 if ((data->config1 & CFG1_MONITOR) == 0) {
1734 dev_dbg(&client->dev,
1735 "Monitoring not currently enabled.\n");
1736 }
1737 if (data->config1 & CFG1_INT_ENABLE) {
1738 dev_dbg(&client->dev,
1739 "SMBALERT interrupts are enabled.\n");
1740 }
1741 if (data->config1 & CFG1_AIN8_9) {
1742 dev_dbg(&client->dev,
1743 "in8 and in9 enabled. temp3 disabled.\n");
1744 } else {
1745 dev_dbg(&client->dev,
1746 "temp3 enabled. in8 and in9 disabled.\n");
1747 }
1748 if (data->config1 & CFG1_THERM_HOT) {
1749 dev_dbg(&client->dev,
1750 "Automatic THERM, PWM, and temp limits enabled.\n");
1751 }
1752
1753 if (data->config3 & CFG3_GPIO16_ENABLE) {
1754 dev_dbg(&client->dev,
1755 "GPIO16 enabled. THERM pin disabled.\n");
1756 } else {
1757 dev_dbg(&client->dev,
1758 "THERM pin enabled. GPIO16 disabled.\n");
1759 }
1760 if (data->config3 & CFG3_VREF_250)
1761 dev_dbg(&client->dev, "Vref is 2.50 Volts.\n");
1762 else
1763 dev_dbg(&client->dev, "Vref is 1.82 Volts.\n");
1764 /* Read and pick apart the existing GPIO configuration */
1765 value = 0;
1766 for (i = 0; i <= 15; ++i) {
1767 if ((i & 0x03) == 0) {
1768 value = adm1026_read_value(client,
1769 ADM1026_REG_GPIO_CFG_0_3 + i / 4);
1770 }
1771 data->gpio_config[i] = value & 0x03;
1772 value >>= 2;
1773 }
1774 data->gpio_config[16] = (data->config3 >> 6) & 0x03;
1775
1776 /* ... and then print it */
1777 adm1026_print_gpio(client);
1778
1779 /*
1780 * If the user asks us to reprogram the GPIO config, then
1781 * do it now.
1782 */
1783 if (gpio_input[0] != -1 || gpio_output[0] != -1
1784 || gpio_inverted[0] != -1 || gpio_normal[0] != -1
1785 || gpio_fan[0] != -1) {
1786 adm1026_fixup_gpio(client);
1787 }
1788
1789 /*
1790 * WE INTENTIONALLY make no changes to the limits,
1791 * offsets, pwms, fans and zones. If they were
1792 * configured, we don't want to mess with them.
1793 * If they weren't, the default is 100% PWM, no
1794 * control and will suffice until 'sensors -s'
1795 * can be run by the user. We DO set the default
1796 * value for pwm1.auto_pwm_min to its maximum
1797 * so that enabling automatic pwm fan control
1798 * without first setting a value for pwm1.auto_pwm_min
1799 * will not result in potentially dangerous fan speed decrease.
1800 */
1801 data->pwm1.auto_pwm_min = 255;
1802 /* Start monitoring */
1803 value = adm1026_read_value(client, ADM1026_REG_CONFIG1);
1804 /* Set MONITOR, clear interrupt acknowledge and s/w reset */
1805 value = (value | CFG1_MONITOR) & (~CFG1_INT_CLEAR & ~CFG1_RESET);
1806 dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
1807 data->config1 = value;
1808 adm1026_write_value(client, ADM1026_REG_CONFIG1, value);
1809
1810 /* initialize fan_div[] to hardware defaults */
1811 value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) |
1812 (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8);
1813 for (i = 0; i <= 7; ++i) {
1814 data->fan_div[i] = DIV_FROM_REG(value & 0x03);
1815 value >>= 2;
1816 }
1817}
1818
67487038 1819static int adm1026_probe(struct i2c_client *client)
57f7eb0b 1820{
b591d3c1
AL		 1821 struct device *dev = &client->dev;
1822 struct device *hwmon_dev;
57f7eb0b 1823 struct adm1026_data *data;
57f7eb0b 1824
b591d3c1 1825 data = devm_kzalloc(dev, sizeof(struct adm1026_data), GFP_KERNEL);
3421e212
GR		 1826 if (!data)
1827 return -ENOMEM;
1da177e4 1828
57f7eb0b 1829 i2c_set_clientdata(client, data);
b591d3c1 1830 data->client = client;
9a61bf63 1831 mutex_init(&data->update_lock);
1da177e4 1832
1da177e4 1833 /* Set the VRM version */
303760b4 1834 data->vrm = vid_which_vrm();
1da177e4
LT		 1835
1836 /* Initialize the ADM1026 chip */
f67fdabf 1837 adm1026_init_client(client);
1da177e4 1838
b591d3c1
AL		 1839 /* sysfs hooks */
1840 data->groups[0] = &adm1026_group;
5b34dbcd 1841 if (data->config1 & CFG1_AIN8_9)
b591d3c1 1842 data->groups[1] = &adm1026_group_in8_9;
5b34dbcd 1843 else
b591d3c1 1844 data->groups[1] = &adm1026_group_temp3;
681c6f7a 1845
b591d3c1
AL		 1846 hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
1847 data, data->groups);
1848 return PTR_ERR_OR_ZERO(hwmon_dev);
681c6f7a
MH		 1849}
1850
97df5566
AL		 1851static const struct i2c_device_id adm1026_id[] = {
1852 { "adm1026", 0 },
1853 { }
1854};
1855MODULE_DEVICE_TABLE(i2c, adm1026_id);
1856
1857static struct i2c_driver adm1026_driver = {
1858 .class = I2C_CLASS_HWMON,
1859 .driver = {
1860 .name = "adm1026",
1861 },
67487038 1862 .probe_new = adm1026_probe,
97df5566
AL		 1863 .id_table = adm1026_id,
1864 .detect = adm1026_detect,
1865 .address_list = normal_i2c,
1866};
1867
f0967eea 1868module_i2c_driver(adm1026_driver);
1da177e4
LT		 1869
1870MODULE_LICENSE("GPL");
1871MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
cb01a231 1872 "Justin Thiessen <jthiessen@penguincomputing.com>");
1da177e4 1873MODULE_DESCRIPTION("ADM1026 driver");
Linux 6.x block layer and io_uring tree(s)