]>
Commit | Line | Data |
---|---|---|
74ba9207 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
9873964d | 2 | /* |
ec1c3194 GR |
3 | * w83791d.c - Part of lm_sensors, Linux kernel modules for hardware |
4 | * monitoring | |
5 | * | |
6 | * Copyright (C) 2006-2007 Charles Spirakis <bezaur@gmail.com> | |
ec1c3194 | 7 | */ |
9873964d CS |
8 | |
9 | /* | |
ec1c3194 GR |
10 | * Supports following chips: |
11 | * | |
4101ece3 | 12 | * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA |
ec1c3194 GR |
13 | * w83791d 10 5 5 3 0x71 0x5ca3 yes no |
14 | * | |
15 | * The w83791d chip appears to be part way between the 83781d and the | |
16 | * 83792d. Thus, this file is derived from both the w83792d.c and | |
17 | * w83781d.c files. | |
18 | * | |
19 | * The w83791g chip is the same as the w83791d but lead-free. | |
20 | */ | |
9873964d | 21 | |
9873964d CS |
22 | #include <linux/module.h> |
23 | #include <linux/init.h> | |
24 | #include <linux/slab.h> | |
25 | #include <linux/i2c.h> | |
26 | #include <linux/hwmon.h> | |
27 | #include <linux/hwmon-vid.h> | |
28 | #include <linux/hwmon-sysfs.h> | |
29 | #include <linux/err.h> | |
30 | #include <linux/mutex.h> | |
dcd8f392 | 31 | #include <linux/jiffies.h> |
9873964d CS |
32 | |
33 | #define NUMBER_OF_VIN 10 | |
34 | #define NUMBER_OF_FANIN 5 | |
35 | #define NUMBER_OF_TEMPIN 3 | |
6495ce18 | 36 | #define NUMBER_OF_PWM 5 |
9873964d CS |
37 | |
38 | /* Addresses to scan */ | |
25e9c86d MH |
39 | static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, |
40 | I2C_CLIENT_END }; | |
9873964d CS |
41 | |
42 | /* Insmod parameters */ | |
3aed198c JD |
43 | |
44 | static unsigned short force_subclients[4]; | |
45 | module_param_array(force_subclients, short, NULL, 0); | |
b55f3757 GR |
46 | MODULE_PARM_DESC(force_subclients, |
47 | "List of subclient addresses: {bus, clientaddr, subclientaddr1, subclientaddr2}"); | |
9873964d | 48 | |
90ab5ee9 | 49 | static bool reset; |
9873964d CS |
50 | module_param(reset, bool, 0); |
51 | MODULE_PARM_DESC(reset, "Set to one to force a hardware chip reset"); | |
52 | ||
90ab5ee9 | 53 | static bool init; |
9873964d CS |
54 | module_param(init, bool, 0); |
55 | MODULE_PARM_DESC(init, "Set to one to force extra software initialization"); | |
56 | ||
57 | /* The W83791D registers */ | |
58 | static const u8 W83791D_REG_IN[NUMBER_OF_VIN] = { | |
59 | 0x20, /* VCOREA in DataSheet */ | |
60 | 0x21, /* VINR0 in DataSheet */ | |
61 | 0x22, /* +3.3VIN in DataSheet */ | |
62 | 0x23, /* VDD5V in DataSheet */ | |
63 | 0x24, /* +12VIN in DataSheet */ | |
64 | 0x25, /* -12VIN in DataSheet */ | |
65 | 0x26, /* -5VIN in DataSheet */ | |
66 | 0xB0, /* 5VSB in DataSheet */ | |
67 | 0xB1, /* VBAT in DataSheet */ | |
68 | 0xB2 /* VINR1 in DataSheet */ | |
69 | }; | |
70 | ||
71 | static const u8 W83791D_REG_IN_MAX[NUMBER_OF_VIN] = { | |
72 | 0x2B, /* VCOREA High Limit in DataSheet */ | |
73 | 0x2D, /* VINR0 High Limit in DataSheet */ | |
74 | 0x2F, /* +3.3VIN High Limit in DataSheet */ | |
75 | 0x31, /* VDD5V High Limit in DataSheet */ | |
76 | 0x33, /* +12VIN High Limit in DataSheet */ | |
77 | 0x35, /* -12VIN High Limit in DataSheet */ | |
78 | 0x37, /* -5VIN High Limit in DataSheet */ | |
79 | 0xB4, /* 5VSB High Limit in DataSheet */ | |
80 | 0xB6, /* VBAT High Limit in DataSheet */ | |
81 | 0xB8 /* VINR1 High Limit in DataSheet */ | |
82 | }; | |
83 | static const u8 W83791D_REG_IN_MIN[NUMBER_OF_VIN] = { | |
84 | 0x2C, /* VCOREA Low Limit in DataSheet */ | |
85 | 0x2E, /* VINR0 Low Limit in DataSheet */ | |
86 | 0x30, /* +3.3VIN Low Limit in DataSheet */ | |
87 | 0x32, /* VDD5V Low Limit in DataSheet */ | |
88 | 0x34, /* +12VIN Low Limit in DataSheet */ | |
89 | 0x36, /* -12VIN Low Limit in DataSheet */ | |
90 | 0x38, /* -5VIN Low Limit in DataSheet */ | |
91 | 0xB5, /* 5VSB Low Limit in DataSheet */ | |
92 | 0xB7, /* VBAT Low Limit in DataSheet */ | |
93 | 0xB9 /* VINR1 Low Limit in DataSheet */ | |
94 | }; | |
95 | static const u8 W83791D_REG_FAN[NUMBER_OF_FANIN] = { | |
96 | 0x28, /* FAN 1 Count in DataSheet */ | |
97 | 0x29, /* FAN 2 Count in DataSheet */ | |
98 | 0x2A, /* FAN 3 Count in DataSheet */ | |
99 | 0xBA, /* FAN 4 Count in DataSheet */ | |
100 | 0xBB, /* FAN 5 Count in DataSheet */ | |
101 | }; | |
102 | static const u8 W83791D_REG_FAN_MIN[NUMBER_OF_FANIN] = { | |
103 | 0x3B, /* FAN 1 Count Low Limit in DataSheet */ | |
104 | 0x3C, /* FAN 2 Count Low Limit in DataSheet */ | |
105 | 0x3D, /* FAN 3 Count Low Limit in DataSheet */ | |
106 | 0xBC, /* FAN 4 Count Low Limit in DataSheet */ | |
107 | 0xBD, /* FAN 5 Count Low Limit in DataSheet */ | |
108 | }; | |
109 | ||
6495ce18 MH |
110 | static const u8 W83791D_REG_PWM[NUMBER_OF_PWM] = { |
111 | 0x81, /* PWM 1 duty cycle register in DataSheet */ | |
112 | 0x83, /* PWM 2 duty cycle register in DataSheet */ | |
113 | 0x94, /* PWM 3 duty cycle register in DataSheet */ | |
114 | 0xA0, /* PWM 4 duty cycle register in DataSheet */ | |
115 | 0xA1, /* PWM 5 duty cycle register in DataSheet */ | |
116 | }; | |
117 | ||
a5a4598c MH |
118 | static const u8 W83791D_REG_TEMP_TARGET[3] = { |
119 | 0x85, /* PWM 1 target temperature for temp 1 */ | |
120 | 0x86, /* PWM 2 target temperature for temp 2 */ | |
121 | 0x96, /* PWM 3 target temperature for temp 3 */ | |
122 | }; | |
123 | ||
124 | static const u8 W83791D_REG_TEMP_TOL[2] = { | |
125 | 0x87, /* PWM 1/2 temperature tolerance */ | |
126 | 0x97, /* PWM 3 temperature tolerance */ | |
127 | }; | |
128 | ||
9873964d CS |
129 | static const u8 W83791D_REG_FAN_CFG[2] = { |
130 | 0x84, /* FAN 1/2 configuration */ | |
131 | 0x95, /* FAN 3 configuration */ | |
132 | }; | |
133 | ||
134 | static const u8 W83791D_REG_FAN_DIV[3] = { | |
135 | 0x47, /* contains FAN1 and FAN2 Divisor */ | |
136 | 0x4b, /* contains FAN3 Divisor */ | |
137 | 0x5C, /* contains FAN4 and FAN5 Divisor */ | |
138 | }; | |
139 | ||
140 | #define W83791D_REG_BANK 0x4E | |
141 | #define W83791D_REG_TEMP2_CONFIG 0xC2 | |
142 | #define W83791D_REG_TEMP3_CONFIG 0xCA | |
143 | ||
144 | static const u8 W83791D_REG_TEMP1[3] = { | |
145 | 0x27, /* TEMP 1 in DataSheet */ | |
146 | 0x39, /* TEMP 1 Over in DataSheet */ | |
147 | 0x3A, /* TEMP 1 Hyst in DataSheet */ | |
148 | }; | |
149 | ||
150 | static const u8 W83791D_REG_TEMP_ADD[2][6] = { | |
151 | {0xC0, /* TEMP 2 in DataSheet */ | |
152 | 0xC1, /* TEMP 2(0.5 deg) in DataSheet */ | |
153 | 0xC5, /* TEMP 2 Over High part in DataSheet */ | |
154 | 0xC6, /* TEMP 2 Over Low part in DataSheet */ | |
155 | 0xC3, /* TEMP 2 Thyst High part in DataSheet */ | |
156 | 0xC4}, /* TEMP 2 Thyst Low part in DataSheet */ | |
157 | {0xC8, /* TEMP 3 in DataSheet */ | |
158 | 0xC9, /* TEMP 3(0.5 deg) in DataSheet */ | |
159 | 0xCD, /* TEMP 3 Over High part in DataSheet */ | |
160 | 0xCE, /* TEMP 3 Over Low part in DataSheet */ | |
161 | 0xCB, /* TEMP 3 Thyst High part in DataSheet */ | |
162 | 0xCC} /* TEMP 3 Thyst Low part in DataSheet */ | |
163 | }; | |
164 | ||
165 | #define W83791D_REG_BEEP_CONFIG 0x4D | |
166 | ||
167 | static const u8 W83791D_REG_BEEP_CTRL[3] = { | |
168 | 0x56, /* BEEP Control Register 1 */ | |
169 | 0x57, /* BEEP Control Register 2 */ | |
170 | 0xA3, /* BEEP Control Register 3 */ | |
171 | }; | |
172 | ||
6e1ecd9b | 173 | #define W83791D_REG_GPIO 0x15 |
9873964d CS |
174 | #define W83791D_REG_CONFIG 0x40 |
175 | #define W83791D_REG_VID_FANDIV 0x47 | |
176 | #define W83791D_REG_DID_VID4 0x49 | |
177 | #define W83791D_REG_WCHIPID 0x58 | |
178 | #define W83791D_REG_CHIPMAN 0x4F | |
179 | #define W83791D_REG_PIN 0x4B | |
180 | #define W83791D_REG_I2C_SUBADDR 0x4A | |
181 | ||
182 | #define W83791D_REG_ALARM1 0xA9 /* realtime status register1 */ | |
183 | #define W83791D_REG_ALARM2 0xAA /* realtime status register2 */ | |
184 | #define W83791D_REG_ALARM3 0xAB /* realtime status register3 */ | |
185 | ||
186 | #define W83791D_REG_VBAT 0x5D | |
187 | #define W83791D_REG_I2C_ADDR 0x48 | |
188 | ||
ec1c3194 GR |
189 | /* |
190 | * The SMBus locks itself. The Winbond W83791D has a bank select register | |
191 | * (index 0x4e), but the driver only accesses registers in bank 0. Since | |
192 | * we don't switch banks, we don't need any special code to handle | |
193 | * locking access between bank switches | |
194 | */ | |
9873964d CS |
195 | static inline int w83791d_read(struct i2c_client *client, u8 reg) |
196 | { | |
197 | return i2c_smbus_read_byte_data(client, reg); | |
198 | } | |
199 | ||
200 | static inline int w83791d_write(struct i2c_client *client, u8 reg, u8 value) | |
201 | { | |
202 | return i2c_smbus_write_byte_data(client, reg, value); | |
203 | } | |
204 | ||
ec1c3194 GR |
205 | /* |
206 | * The analog voltage inputs have 16mV LSB. Since the sysfs output is | |
207 | * in mV as would be measured on the chip input pin, need to just | |
208 | * multiply/divide by 16 to translate from/to register values. | |
209 | */ | |
2a844c14 | 210 | #define IN_TO_REG(val) (clamp_val((((val) + 8) / 16), 0, 255)) |
9873964d CS |
211 | #define IN_FROM_REG(val) ((val) * 16) |
212 | ||
213 | static u8 fan_to_reg(long rpm, int div) | |
214 | { | |
215 | if (rpm == 0) | |
216 | return 255; | |
2a844c14 GR |
217 | rpm = clamp_val(rpm, 1, 1000000); |
218 | return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); | |
9873964d CS |
219 | } |
220 | ||
ec1c3194 | 221 | #define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : \ |
9873964d CS |
222 | ((val) == 255 ? 0 : \ |
223 | 1350000 / ((val) * (div)))) | |
224 | ||
225 | /* for temp1 which is 8-bit resolution, LSB = 1 degree Celsius */ | |
226 | #define TEMP1_FROM_REG(val) ((val) * 1000) | |
227 | #define TEMP1_TO_REG(val) ((val) <= -128000 ? -128 : \ | |
228 | (val) >= 127000 ? 127 : \ | |
229 | (val) < 0 ? ((val) - 500) / 1000 : \ | |
230 | ((val) + 500) / 1000) | |
231 | ||
ec1c3194 GR |
232 | /* |
233 | * for temp2 and temp3 which are 9-bit resolution, LSB = 0.5 degree Celsius | |
234 | * Assumes the top 8 bits are the integral amount and the bottom 8 bits | |
235 | * are the fractional amount. Since we only have 0.5 degree resolution, | |
236 | * the bottom 7 bits will always be zero | |
237 | */ | |
9873964d | 238 | #define TEMP23_FROM_REG(val) ((val) / 128 * 500) |
40ebdb92 GR |
239 | #define TEMP23_TO_REG(val) (DIV_ROUND_CLOSEST(clamp_val((val), -128000, \ |
240 | 127500), 500) * 128) | |
9873964d | 241 | |
a5a4598c | 242 | /* for thermal cruise target temp, 7-bits, LSB = 1 degree Celsius */ |
40ebdb92 GR |
243 | #define TARGET_TEMP_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val((val), 0, 127000), \ |
244 | 1000) | |
a5a4598c MH |
245 | |
246 | /* for thermal cruise temp tolerance, 4-bits, LSB = 1 degree Celsius */ | |
40ebdb92 GR |
247 | #define TOL_TEMP_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val((val), 0, 15000), \ |
248 | 1000) | |
9873964d CS |
249 | |
250 | #define BEEP_MASK_TO_REG(val) ((val) & 0xffffff) | |
251 | #define BEEP_MASK_FROM_REG(val) ((val) & 0xffffff) | |
252 | ||
253 | #define DIV_FROM_REG(val) (1 << (val)) | |
254 | ||
255 | static u8 div_to_reg(int nr, long val) | |
256 | { | |
257 | int i; | |
9873964d | 258 | |
ad02ad85 | 259 | /* fan divisors max out at 128 */ |
2a844c14 | 260 | val = clamp_val(val, 1, 128) >> 1; |
9873964d CS |
261 | for (i = 0; i < 7; i++) { |
262 | if (val == 0) | |
263 | break; | |
264 | val >>= 1; | |
265 | } | |
266 | return (u8) i; | |
267 | } | |
268 | ||
269 | struct w83791d_data { | |
1beeffe4 | 270 | struct device *hwmon_dev; |
9873964d CS |
271 | struct mutex update_lock; |
272 | ||
273 | char valid; /* !=0 if following fields are valid */ | |
274 | unsigned long last_updated; /* In jiffies */ | |
275 | ||
9873964d CS |
276 | /* volts */ |
277 | u8 in[NUMBER_OF_VIN]; /* Register value */ | |
278 | u8 in_max[NUMBER_OF_VIN]; /* Register value */ | |
279 | u8 in_min[NUMBER_OF_VIN]; /* Register value */ | |
280 | ||
281 | /* fans */ | |
282 | u8 fan[NUMBER_OF_FANIN]; /* Register value */ | |
283 | u8 fan_min[NUMBER_OF_FANIN]; /* Register value */ | |
284 | u8 fan_div[NUMBER_OF_FANIN]; /* Register encoding, shifted right */ | |
285 | ||
286 | /* Temperature sensors */ | |
287 | ||
288 | s8 temp1[3]; /* current, over, thyst */ | |
289 | s16 temp_add[2][3]; /* fixed point value. Top 8 bits are the | |
ec1c3194 GR |
290 | * integral part, bottom 8 bits are the |
291 | * fractional part. We only use the top | |
292 | * 9 bits as the resolution is only | |
293 | * to the 0.5 degree C... | |
294 | * two sensors with three values | |
295 | * (cur, over, hyst) | |
296 | */ | |
9873964d | 297 | |
6495ce18 MH |
298 | /* PWMs */ |
299 | u8 pwm[5]; /* pwm duty cycle */ | |
b5938f8c | 300 | u8 pwm_enable[3]; /* pwm enable status for fan 1-3 |
ec1c3194 GR |
301 | * (fan 4-5 only support manual mode) |
302 | */ | |
6495ce18 | 303 | |
a5a4598c MH |
304 | u8 temp_target[3]; /* pwm 1-3 target temperature */ |
305 | u8 temp_tolerance[3]; /* pwm 1-3 temperature tolerance */ | |
306 | ||
9873964d CS |
307 | /* Misc */ |
308 | u32 alarms; /* realtime status register encoding,combined */ | |
309 | u8 beep_enable; /* Global beep enable */ | |
310 | u32 beep_mask; /* Mask off specific beeps */ | |
311 | u8 vid; /* Register encoding, combined */ | |
312 | u8 vrm; /* hwmon-vid */ | |
313 | }; | |
314 | ||
77b5b8a8 | 315 | static int w83791d_probe(struct i2c_client *client); |
310ec792 | 316 | static int w83791d_detect(struct i2c_client *client, |
cb0c1af3 JD |
317 | struct i2c_board_info *info); |
318 | static int w83791d_remove(struct i2c_client *client); | |
9873964d | 319 | |
7cbe1cee CP |
320 | static int w83791d_read(struct i2c_client *client, u8 reg); |
321 | static int w83791d_write(struct i2c_client *client, u8 reg, u8 value); | |
9873964d CS |
322 | static struct w83791d_data *w83791d_update_device(struct device *dev); |
323 | ||
324 | #ifdef DEBUG | |
325 | static void w83791d_print_debug(struct w83791d_data *data, struct device *dev); | |
326 | #endif | |
327 | ||
328 | static void w83791d_init_client(struct i2c_client *client); | |
329 | ||
cb0c1af3 | 330 | static const struct i2c_device_id w83791d_id[] = { |
1f86df49 | 331 | { "w83791d", 0 }, |
cb0c1af3 JD |
332 | { } |
333 | }; | |
334 | MODULE_DEVICE_TABLE(i2c, w83791d_id); | |
335 | ||
9873964d | 336 | static struct i2c_driver w83791d_driver = { |
cb0c1af3 | 337 | .class = I2C_CLASS_HWMON, |
9873964d CS |
338 | .driver = { |
339 | .name = "w83791d", | |
340 | }, | |
77b5b8a8 | 341 | .probe_new = w83791d_probe, |
cb0c1af3 JD |
342 | .remove = w83791d_remove, |
343 | .id_table = w83791d_id, | |
344 | .detect = w83791d_detect, | |
c3813d6a | 345 | .address_list = normal_i2c, |
9873964d CS |
346 | }; |
347 | ||
348 | /* following are the sysfs callback functions */ | |
349 | #define show_in_reg(reg) \ | |
350 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ | |
351 | char *buf) \ | |
352 | { \ | |
353 | struct sensor_device_attribute *sensor_attr = \ | |
354 | to_sensor_dev_attr(attr); \ | |
355 | struct w83791d_data *data = w83791d_update_device(dev); \ | |
356 | int nr = sensor_attr->index; \ | |
ec1c3194 | 357 | return sprintf(buf, "%d\n", IN_FROM_REG(data->reg[nr])); \ |
9873964d CS |
358 | } |
359 | ||
360 | show_in_reg(in); | |
361 | show_in_reg(in_min); | |
362 | show_in_reg(in_max); | |
363 | ||
364 | #define store_in_reg(REG, reg) \ | |
365 | static ssize_t store_in_##reg(struct device *dev, \ | |
366 | struct device_attribute *attr, \ | |
367 | const char *buf, size_t count) \ | |
368 | { \ | |
369 | struct sensor_device_attribute *sensor_attr = \ | |
370 | to_sensor_dev_attr(attr); \ | |
371 | struct i2c_client *client = to_i2c_client(dev); \ | |
372 | struct w83791d_data *data = i2c_get_clientdata(client); \ | |
9873964d | 373 | int nr = sensor_attr->index; \ |
ec1c3194 GR |
374 | unsigned long val; \ |
375 | int err = kstrtoul(buf, 10, &val); \ | |
376 | if (err) \ | |
377 | return err; \ | |
9873964d CS |
378 | mutex_lock(&data->update_lock); \ |
379 | data->in_##reg[nr] = IN_TO_REG(val); \ | |
380 | w83791d_write(client, W83791D_REG_IN_##REG[nr], data->in_##reg[nr]); \ | |
381 | mutex_unlock(&data->update_lock); \ | |
382 | \ | |
383 | return count; \ | |
384 | } | |
385 | store_in_reg(MIN, min); | |
386 | store_in_reg(MAX, max); | |
387 | ||
388 | static struct sensor_device_attribute sda_in_input[] = { | |
389 | SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), | |
390 | SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), | |
391 | SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), | |
392 | SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), | |
393 | SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), | |
394 | SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), | |
395 | SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), | |
396 | SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), | |
397 | SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), | |
398 | SENSOR_ATTR(in9_input, S_IRUGO, show_in, NULL, 9), | |
399 | }; | |
400 | ||
401 | static struct sensor_device_attribute sda_in_min[] = { | |
402 | SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), | |
403 | SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), | |
404 | SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), | |
405 | SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), | |
406 | SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), | |
407 | SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), | |
408 | SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), | |
409 | SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), | |
410 | SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), | |
411 | SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 9), | |
412 | }; | |
413 | ||
414 | static struct sensor_device_attribute sda_in_max[] = { | |
415 | SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), | |
416 | SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), | |
417 | SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), | |
418 | SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), | |
419 | SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), | |
420 | SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), | |
421 | SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), | |
422 | SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), | |
423 | SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), | |
424 | SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9), | |
425 | }; | |
426 | ||
64383123 CS |
427 | |
428 | static ssize_t show_beep(struct device *dev, struct device_attribute *attr, | |
429 | char *buf) | |
430 | { | |
431 | struct sensor_device_attribute *sensor_attr = | |
432 | to_sensor_dev_attr(attr); | |
433 | struct w83791d_data *data = w83791d_update_device(dev); | |
434 | int bitnr = sensor_attr->index; | |
435 | ||
436 | return sprintf(buf, "%d\n", (data->beep_mask >> bitnr) & 1); | |
437 | } | |
438 | ||
439 | static ssize_t store_beep(struct device *dev, struct device_attribute *attr, | |
440 | const char *buf, size_t count) | |
441 | { | |
442 | struct sensor_device_attribute *sensor_attr = | |
443 | to_sensor_dev_attr(attr); | |
444 | struct i2c_client *client = to_i2c_client(dev); | |
445 | struct w83791d_data *data = i2c_get_clientdata(client); | |
446 | int bitnr = sensor_attr->index; | |
447 | int bytenr = bitnr / 8; | |
ec1c3194 GR |
448 | unsigned long val; |
449 | int err; | |
450 | ||
451 | err = kstrtoul(buf, 10, &val); | |
452 | if (err) | |
453 | return err; | |
454 | ||
455 | val = val ? 1 : 0; | |
64383123 CS |
456 | |
457 | mutex_lock(&data->update_lock); | |
458 | ||
459 | data->beep_mask &= ~(0xff << (bytenr * 8)); | |
460 | data->beep_mask |= w83791d_read(client, W83791D_REG_BEEP_CTRL[bytenr]) | |
461 | << (bytenr * 8); | |
462 | ||
463 | data->beep_mask &= ~(1 << bitnr); | |
464 | data->beep_mask |= val << bitnr; | |
465 | ||
466 | w83791d_write(client, W83791D_REG_BEEP_CTRL[bytenr], | |
467 | (data->beep_mask >> (bytenr * 8)) & 0xff); | |
468 | ||
469 | mutex_unlock(&data->update_lock); | |
470 | ||
471 | return count; | |
472 | } | |
473 | ||
474 | static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, | |
475 | char *buf) | |
476 | { | |
477 | struct sensor_device_attribute *sensor_attr = | |
478 | to_sensor_dev_attr(attr); | |
479 | struct w83791d_data *data = w83791d_update_device(dev); | |
480 | int bitnr = sensor_attr->index; | |
481 | ||
482 | return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1); | |
483 | } | |
484 | ||
ec1c3194 GR |
485 | /* |
486 | * Note: The bitmask for the beep enable/disable is different than | |
487 | * the bitmask for the alarm. | |
488 | */ | |
64383123 CS |
489 | static struct sensor_device_attribute sda_in_beep[] = { |
490 | SENSOR_ATTR(in0_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 0), | |
491 | SENSOR_ATTR(in1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 13), | |
492 | SENSOR_ATTR(in2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 2), | |
493 | SENSOR_ATTR(in3_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 3), | |
494 | SENSOR_ATTR(in4_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 8), | |
495 | SENSOR_ATTR(in5_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 9), | |
496 | SENSOR_ATTR(in6_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 10), | |
497 | SENSOR_ATTR(in7_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 16), | |
498 | SENSOR_ATTR(in8_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 17), | |
499 | SENSOR_ATTR(in9_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 14), | |
500 | }; | |
501 | ||
502 | static struct sensor_device_attribute sda_in_alarm[] = { | |
503 | SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0), | |
504 | SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1), | |
505 | SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2), | |
506 | SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3), | |
507 | SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8), | |
508 | SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9), | |
509 | SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10), | |
510 | SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 19), | |
511 | SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 20), | |
512 | SENSOR_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 14), | |
513 | }; | |
514 | ||
9873964d CS |
515 | #define show_fan_reg(reg) \ |
516 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ | |
517 | char *buf) \ | |
518 | { \ | |
519 | struct sensor_device_attribute *sensor_attr = \ | |
520 | to_sensor_dev_attr(attr); \ | |
521 | struct w83791d_data *data = w83791d_update_device(dev); \ | |
522 | int nr = sensor_attr->index; \ | |
ec1c3194 | 523 | return sprintf(buf, "%d\n", \ |
9873964d CS |
524 | FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ |
525 | } | |
526 | ||
527 | show_fan_reg(fan); | |
528 | show_fan_reg(fan_min); | |
529 | ||
530 | static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr, | |
531 | const char *buf, size_t count) | |
532 | { | |
533 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
534 | struct i2c_client *client = to_i2c_client(dev); | |
535 | struct w83791d_data *data = i2c_get_clientdata(client); | |
9873964d | 536 | int nr = sensor_attr->index; |
ec1c3194 GR |
537 | unsigned long val; |
538 | int err; | |
539 | ||
540 | err = kstrtoul(buf, 10, &val); | |
541 | if (err) | |
542 | return err; | |
9873964d CS |
543 | |
544 | mutex_lock(&data->update_lock); | |
545 | data->fan_min[nr] = fan_to_reg(val, DIV_FROM_REG(data->fan_div[nr])); | |
546 | w83791d_write(client, W83791D_REG_FAN_MIN[nr], data->fan_min[nr]); | |
547 | mutex_unlock(&data->update_lock); | |
548 | ||
549 | return count; | |
550 | } | |
551 | ||
552 | static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, | |
553 | char *buf) | |
554 | { | |
555 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
556 | int nr = sensor_attr->index; | |
557 | struct w83791d_data *data = w83791d_update_device(dev); | |
558 | return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr])); | |
559 | } | |
560 | ||
ec1c3194 GR |
561 | /* |
562 | * Note: we save and restore the fan minimum here, because its value is | |
563 | * determined in part by the fan divisor. This follows the principle of | |
564 | * least surprise; the user doesn't expect the fan minimum to change just | |
565 | * because the divisor changed. | |
566 | */ | |
9873964d CS |
567 | static ssize_t store_fan_div(struct device *dev, struct device_attribute *attr, |
568 | const char *buf, size_t count) | |
569 | { | |
570 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
571 | struct i2c_client *client = to_i2c_client(dev); | |
572 | struct w83791d_data *data = i2c_get_clientdata(client); | |
573 | int nr = sensor_attr->index; | |
574 | unsigned long min; | |
575 | u8 tmp_fan_div; | |
576 | u8 fan_div_reg; | |
ad02ad85 | 577 | u8 vbat_reg; |
9873964d CS |
578 | int indx = 0; |
579 | u8 keep_mask = 0; | |
580 | u8 new_shift = 0; | |
ec1c3194 GR |
581 | unsigned long val; |
582 | int err; | |
583 | ||
584 | err = kstrtoul(buf, 10, &val); | |
585 | if (err) | |
586 | return err; | |
9873964d CS |
587 | |
588 | /* Save fan_min */ | |
589 | min = FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])); | |
590 | ||
591 | mutex_lock(&data->update_lock); | |
ec1c3194 | 592 | data->fan_div[nr] = div_to_reg(nr, val); |
9873964d CS |
593 | |
594 | switch (nr) { | |
595 | case 0: | |
596 | indx = 0; | |
597 | keep_mask = 0xcf; | |
598 | new_shift = 4; | |
599 | break; | |
600 | case 1: | |
601 | indx = 0; | |
602 | keep_mask = 0x3f; | |
603 | new_shift = 6; | |
604 | break; | |
605 | case 2: | |
606 | indx = 1; | |
607 | keep_mask = 0x3f; | |
608 | new_shift = 6; | |
609 | break; | |
610 | case 3: | |
611 | indx = 2; | |
612 | keep_mask = 0xf8; | |
613 | new_shift = 0; | |
614 | break; | |
615 | case 4: | |
616 | indx = 2; | |
617 | keep_mask = 0x8f; | |
618 | new_shift = 4; | |
619 | break; | |
620 | #ifdef DEBUG | |
621 | default: | |
622 | dev_warn(dev, "store_fan_div: Unexpected nr seen: %d\n", nr); | |
623 | count = -EINVAL; | |
624 | goto err_exit; | |
625 | #endif | |
626 | } | |
627 | ||
628 | fan_div_reg = w83791d_read(client, W83791D_REG_FAN_DIV[indx]) | |
629 | & keep_mask; | |
630 | tmp_fan_div = (data->fan_div[nr] << new_shift) & ~keep_mask; | |
631 | ||
632 | w83791d_write(client, W83791D_REG_FAN_DIV[indx], | |
633 | fan_div_reg | tmp_fan_div); | |
634 | ||
ad02ad85 MH |
635 | /* Bit 2 of fans 0-2 is stored in the vbat register (bits 5-7) */ |
636 | if (nr < 3) { | |
637 | keep_mask = ~(1 << (nr + 5)); | |
638 | vbat_reg = w83791d_read(client, W83791D_REG_VBAT) | |
639 | & keep_mask; | |
640 | tmp_fan_div = (data->fan_div[nr] << (3 + nr)) & ~keep_mask; | |
641 | w83791d_write(client, W83791D_REG_VBAT, | |
642 | vbat_reg | tmp_fan_div); | |
643 | } | |
644 | ||
9873964d CS |
645 | /* Restore fan_min */ |
646 | data->fan_min[nr] = fan_to_reg(min, DIV_FROM_REG(data->fan_div[nr])); | |
647 | w83791d_write(client, W83791D_REG_FAN_MIN[nr], data->fan_min[nr]); | |
648 | ||
649 | #ifdef DEBUG | |
650 | err_exit: | |
651 | #endif | |
652 | mutex_unlock(&data->update_lock); | |
653 | ||
654 | return count; | |
655 | } | |
656 | ||
657 | static struct sensor_device_attribute sda_fan_input[] = { | |
658 | SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0), | |
659 | SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1), | |
660 | SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2), | |
661 | SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3), | |
662 | SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4), | |
663 | }; | |
664 | ||
665 | static struct sensor_device_attribute sda_fan_min[] = { | |
666 | SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, | |
667 | show_fan_min, store_fan_min, 0), | |
668 | SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, | |
669 | show_fan_min, store_fan_min, 1), | |
670 | SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, | |
671 | show_fan_min, store_fan_min, 2), | |
672 | SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, | |
673 | show_fan_min, store_fan_min, 3), | |
674 | SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, | |
675 | show_fan_min, store_fan_min, 4), | |
676 | }; | |
677 | ||
678 | static struct sensor_device_attribute sda_fan_div[] = { | |
679 | SENSOR_ATTR(fan1_div, S_IWUSR | S_IRUGO, | |
680 | show_fan_div, store_fan_div, 0), | |
681 | SENSOR_ATTR(fan2_div, S_IWUSR | S_IRUGO, | |
682 | show_fan_div, store_fan_div, 1), | |
683 | SENSOR_ATTR(fan3_div, S_IWUSR | S_IRUGO, | |
684 | show_fan_div, store_fan_div, 2), | |
685 | SENSOR_ATTR(fan4_div, S_IWUSR | S_IRUGO, | |
686 | show_fan_div, store_fan_div, 3), | |
687 | SENSOR_ATTR(fan5_div, S_IWUSR | S_IRUGO, | |
688 | show_fan_div, store_fan_div, 4), | |
689 | }; | |
690 | ||
64383123 CS |
691 | static struct sensor_device_attribute sda_fan_beep[] = { |
692 | SENSOR_ATTR(fan1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 6), | |
693 | SENSOR_ATTR(fan2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 7), | |
694 | SENSOR_ATTR(fan3_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 11), | |
695 | SENSOR_ATTR(fan4_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 21), | |
696 | SENSOR_ATTR(fan5_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 22), | |
697 | }; | |
698 | ||
699 | static struct sensor_device_attribute sda_fan_alarm[] = { | |
700 | SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6), | |
701 | SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7), | |
702 | SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11), | |
703 | SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 21), | |
704 | SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 22), | |
705 | }; | |
706 | ||
6495ce18 MH |
707 | /* read/write PWMs */ |
708 | static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, | |
709 | char *buf) | |
710 | { | |
711 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
712 | int nr = sensor_attr->index; | |
713 | struct w83791d_data *data = w83791d_update_device(dev); | |
714 | return sprintf(buf, "%u\n", data->pwm[nr]); | |
715 | } | |
716 | ||
717 | static ssize_t store_pwm(struct device *dev, struct device_attribute *attr, | |
718 | const char *buf, size_t count) | |
719 | { | |
720 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
721 | struct i2c_client *client = to_i2c_client(dev); | |
722 | struct w83791d_data *data = i2c_get_clientdata(client); | |
723 | int nr = sensor_attr->index; | |
724 | unsigned long val; | |
725 | ||
179c4fdb | 726 | if (kstrtoul(buf, 10, &val)) |
6495ce18 MH |
727 | return -EINVAL; |
728 | ||
729 | mutex_lock(&data->update_lock); | |
2a844c14 | 730 | data->pwm[nr] = clamp_val(val, 0, 255); |
6495ce18 MH |
731 | w83791d_write(client, W83791D_REG_PWM[nr], data->pwm[nr]); |
732 | mutex_unlock(&data->update_lock); | |
733 | return count; | |
734 | } | |
735 | ||
736 | static struct sensor_device_attribute sda_pwm[] = { | |
737 | SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, | |
738 | show_pwm, store_pwm, 0), | |
739 | SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, | |
740 | show_pwm, store_pwm, 1), | |
741 | SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, | |
742 | show_pwm, store_pwm, 2), | |
743 | SENSOR_ATTR(pwm4, S_IWUSR | S_IRUGO, | |
744 | show_pwm, store_pwm, 3), | |
745 | SENSOR_ATTR(pwm5, S_IWUSR | S_IRUGO, | |
746 | show_pwm, store_pwm, 4), | |
747 | }; | |
748 | ||
b5938f8c MH |
749 | static ssize_t show_pwmenable(struct device *dev, struct device_attribute *attr, |
750 | char *buf) | |
751 | { | |
752 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
753 | int nr = sensor_attr->index; | |
754 | struct w83791d_data *data = w83791d_update_device(dev); | |
755 | return sprintf(buf, "%u\n", data->pwm_enable[nr] + 1); | |
756 | } | |
757 | ||
758 | static ssize_t store_pwmenable(struct device *dev, | |
759 | struct device_attribute *attr, const char *buf, size_t count) | |
760 | { | |
761 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
762 | struct i2c_client *client = to_i2c_client(dev); | |
763 | struct w83791d_data *data = i2c_get_clientdata(client); | |
764 | int nr = sensor_attr->index; | |
765 | unsigned long val; | |
766 | u8 reg_cfg_tmp; | |
767 | u8 reg_idx = 0; | |
768 | u8 val_shift = 0; | |
769 | u8 keep_mask = 0; | |
770 | ||
179c4fdb | 771 | int ret = kstrtoul(buf, 10, &val); |
b5938f8c MH |
772 | |
773 | if (ret || val < 1 || val > 3) | |
774 | return -EINVAL; | |
775 | ||
776 | mutex_lock(&data->update_lock); | |
777 | data->pwm_enable[nr] = val - 1; | |
778 | switch (nr) { | |
779 | case 0: | |
780 | reg_idx = 0; | |
781 | val_shift = 2; | |
782 | keep_mask = 0xf3; | |
783 | break; | |
784 | case 1: | |
785 | reg_idx = 0; | |
786 | val_shift = 4; | |
787 | keep_mask = 0xcf; | |
788 | break; | |
789 | case 2: | |
790 | reg_idx = 1; | |
791 | val_shift = 2; | |
792 | keep_mask = 0xf3; | |
793 | break; | |
794 | } | |
795 | ||
796 | reg_cfg_tmp = w83791d_read(client, W83791D_REG_FAN_CFG[reg_idx]); | |
797 | reg_cfg_tmp = (reg_cfg_tmp & keep_mask) | | |
798 | data->pwm_enable[nr] << val_shift; | |
799 | ||
800 | w83791d_write(client, W83791D_REG_FAN_CFG[reg_idx], reg_cfg_tmp); | |
801 | mutex_unlock(&data->update_lock); | |
802 | ||
803 | return count; | |
804 | } | |
805 | static struct sensor_device_attribute sda_pwmenable[] = { | |
806 | SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, | |
807 | show_pwmenable, store_pwmenable, 0), | |
808 | SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, | |
809 | show_pwmenable, store_pwmenable, 1), | |
810 | SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, | |
811 | show_pwmenable, store_pwmenable, 2), | |
812 | }; | |
813 | ||
a5a4598c MH |
814 | /* For Smart Fan I / Thermal Cruise */ |
815 | static ssize_t show_temp_target(struct device *dev, | |
816 | struct device_attribute *attr, char *buf) | |
817 | { | |
818 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
819 | struct w83791d_data *data = w83791d_update_device(dev); | |
820 | int nr = sensor_attr->index; | |
821 | return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp_target[nr])); | |
822 | } | |
823 | ||
824 | static ssize_t store_temp_target(struct device *dev, | |
825 | struct device_attribute *attr, const char *buf, size_t count) | |
826 | { | |
827 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
828 | struct i2c_client *client = to_i2c_client(dev); | |
829 | struct w83791d_data *data = i2c_get_clientdata(client); | |
830 | int nr = sensor_attr->index; | |
a9169813 | 831 | long val; |
a5a4598c MH |
832 | u8 target_mask; |
833 | ||
a9169813 | 834 | if (kstrtol(buf, 10, &val)) |
a5a4598c MH |
835 | return -EINVAL; |
836 | ||
837 | mutex_lock(&data->update_lock); | |
838 | data->temp_target[nr] = TARGET_TEMP_TO_REG(val); | |
839 | target_mask = w83791d_read(client, | |
840 | W83791D_REG_TEMP_TARGET[nr]) & 0x80; | |
841 | w83791d_write(client, W83791D_REG_TEMP_TARGET[nr], | |
842 | data->temp_target[nr] | target_mask); | |
843 | mutex_unlock(&data->update_lock); | |
844 | return count; | |
845 | } | |
846 | ||
847 | static struct sensor_device_attribute sda_temp_target[] = { | |
848 | SENSOR_ATTR(temp1_target, S_IWUSR | S_IRUGO, | |
849 | show_temp_target, store_temp_target, 0), | |
850 | SENSOR_ATTR(temp2_target, S_IWUSR | S_IRUGO, | |
851 | show_temp_target, store_temp_target, 1), | |
852 | SENSOR_ATTR(temp3_target, S_IWUSR | S_IRUGO, | |
853 | show_temp_target, store_temp_target, 2), | |
854 | }; | |
855 | ||
856 | static ssize_t show_temp_tolerance(struct device *dev, | |
857 | struct device_attribute *attr, char *buf) | |
858 | { | |
859 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
860 | struct w83791d_data *data = w83791d_update_device(dev); | |
861 | int nr = sensor_attr->index; | |
862 | return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp_tolerance[nr])); | |
863 | } | |
864 | ||
865 | static ssize_t store_temp_tolerance(struct device *dev, | |
866 | struct device_attribute *attr, const char *buf, size_t count) | |
867 | { | |
868 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
869 | struct i2c_client *client = to_i2c_client(dev); | |
870 | struct w83791d_data *data = i2c_get_clientdata(client); | |
871 | int nr = sensor_attr->index; | |
872 | unsigned long val; | |
873 | u8 target_mask; | |
874 | u8 reg_idx = 0; | |
875 | u8 val_shift = 0; | |
876 | u8 keep_mask = 0; | |
877 | ||
179c4fdb | 878 | if (kstrtoul(buf, 10, &val)) |
a5a4598c MH |
879 | return -EINVAL; |
880 | ||
881 | switch (nr) { | |
882 | case 0: | |
883 | reg_idx = 0; | |
884 | val_shift = 0; | |
885 | keep_mask = 0xf0; | |
886 | break; | |
887 | case 1: | |
888 | reg_idx = 0; | |
889 | val_shift = 4; | |
890 | keep_mask = 0x0f; | |
891 | break; | |
892 | case 2: | |
893 | reg_idx = 1; | |
894 | val_shift = 0; | |
895 | keep_mask = 0xf0; | |
896 | break; | |
897 | } | |
898 | ||
899 | mutex_lock(&data->update_lock); | |
900 | data->temp_tolerance[nr] = TOL_TEMP_TO_REG(val); | |
901 | target_mask = w83791d_read(client, | |
902 | W83791D_REG_TEMP_TOL[reg_idx]) & keep_mask; | |
903 | w83791d_write(client, W83791D_REG_TEMP_TOL[reg_idx], | |
904 | (data->temp_tolerance[nr] << val_shift) | target_mask); | |
905 | mutex_unlock(&data->update_lock); | |
906 | return count; | |
907 | } | |
908 | ||
909 | static struct sensor_device_attribute sda_temp_tolerance[] = { | |
910 | SENSOR_ATTR(temp1_tolerance, S_IWUSR | S_IRUGO, | |
911 | show_temp_tolerance, store_temp_tolerance, 0), | |
912 | SENSOR_ATTR(temp2_tolerance, S_IWUSR | S_IRUGO, | |
913 | show_temp_tolerance, store_temp_tolerance, 1), | |
914 | SENSOR_ATTR(temp3_tolerance, S_IWUSR | S_IRUGO, | |
915 | show_temp_tolerance, store_temp_tolerance, 2), | |
916 | }; | |
917 | ||
9873964d CS |
918 | /* read/write the temperature1, includes measured value and limits */ |
919 | static ssize_t show_temp1(struct device *dev, struct device_attribute *devattr, | |
920 | char *buf) | |
921 | { | |
922 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
923 | struct w83791d_data *data = w83791d_update_device(dev); | |
924 | return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[attr->index])); | |
925 | } | |
926 | ||
927 | static ssize_t store_temp1(struct device *dev, struct device_attribute *devattr, | |
928 | const char *buf, size_t count) | |
929 | { | |
930 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
931 | struct i2c_client *client = to_i2c_client(dev); | |
932 | struct w83791d_data *data = i2c_get_clientdata(client); | |
9873964d | 933 | int nr = attr->index; |
ec1c3194 GR |
934 | long val; |
935 | int err; | |
936 | ||
937 | err = kstrtol(buf, 10, &val); | |
938 | if (err) | |
939 | return err; | |
9873964d CS |
940 | |
941 | mutex_lock(&data->update_lock); | |
942 | data->temp1[nr] = TEMP1_TO_REG(val); | |
943 | w83791d_write(client, W83791D_REG_TEMP1[nr], data->temp1[nr]); | |
944 | mutex_unlock(&data->update_lock); | |
945 | return count; | |
946 | } | |
947 | ||
948 | /* read/write temperature2-3, includes measured value and limits */ | |
949 | static ssize_t show_temp23(struct device *dev, struct device_attribute *devattr, | |
950 | char *buf) | |
951 | { | |
952 | struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); | |
953 | struct w83791d_data *data = w83791d_update_device(dev); | |
954 | int nr = attr->nr; | |
955 | int index = attr->index; | |
956 | return sprintf(buf, "%d\n", TEMP23_FROM_REG(data->temp_add[nr][index])); | |
957 | } | |
958 | ||
959 | static ssize_t store_temp23(struct device *dev, | |
960 | struct device_attribute *devattr, | |
961 | const char *buf, size_t count) | |
962 | { | |
963 | struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); | |
964 | struct i2c_client *client = to_i2c_client(dev); | |
965 | struct w83791d_data *data = i2c_get_clientdata(client); | |
ec1c3194 GR |
966 | long val; |
967 | int err; | |
9873964d CS |
968 | int nr = attr->nr; |
969 | int index = attr->index; | |
970 | ||
ec1c3194 GR |
971 | err = kstrtol(buf, 10, &val); |
972 | if (err) | |
973 | return err; | |
974 | ||
9873964d CS |
975 | mutex_lock(&data->update_lock); |
976 | data->temp_add[nr][index] = TEMP23_TO_REG(val); | |
977 | w83791d_write(client, W83791D_REG_TEMP_ADD[nr][index * 2], | |
978 | data->temp_add[nr][index] >> 8); | |
979 | w83791d_write(client, W83791D_REG_TEMP_ADD[nr][index * 2 + 1], | |
980 | data->temp_add[nr][index] & 0x80); | |
981 | mutex_unlock(&data->update_lock); | |
982 | ||
983 | return count; | |
984 | } | |
985 | ||
986 | static struct sensor_device_attribute_2 sda_temp_input[] = { | |
987 | SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0), | |
988 | SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0), | |
989 | SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0), | |
990 | }; | |
991 | ||
992 | static struct sensor_device_attribute_2 sda_temp_max[] = { | |
993 | SENSOR_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, | |
994 | show_temp1, store_temp1, 0, 1), | |
995 | SENSOR_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, | |
996 | show_temp23, store_temp23, 0, 1), | |
997 | SENSOR_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, | |
998 | show_temp23, store_temp23, 1, 1), | |
999 | }; | |
1000 | ||
1001 | static struct sensor_device_attribute_2 sda_temp_max_hyst[] = { | |
1002 | SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, | |
1003 | show_temp1, store_temp1, 0, 2), | |
1004 | SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, | |
1005 | show_temp23, store_temp23, 0, 2), | |
1006 | SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, | |
1007 | show_temp23, store_temp23, 1, 2), | |
1008 | }; | |
1009 | ||
ec1c3194 GR |
1010 | /* |
1011 | * Note: The bitmask for the beep enable/disable is different than | |
1012 | * the bitmask for the alarm. | |
1013 | */ | |
64383123 CS |
1014 | static struct sensor_device_attribute sda_temp_beep[] = { |
1015 | SENSOR_ATTR(temp1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 4), | |
1016 | SENSOR_ATTR(temp2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 5), | |
1017 | SENSOR_ATTR(temp3_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 1), | |
1018 | }; | |
1019 | ||
1020 | static struct sensor_device_attribute sda_temp_alarm[] = { | |
1021 | SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4), | |
1022 | SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5), | |
1023 | SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13), | |
1024 | }; | |
9873964d | 1025 | |
84fb029f | 1026 | /* get realtime status of all sensors items: voltage, temp, fan */ |
8d0ec428 JL |
1027 | static ssize_t alarms_show(struct device *dev, struct device_attribute *attr, |
1028 | char *buf) | |
9873964d CS |
1029 | { |
1030 | struct w83791d_data *data = w83791d_update_device(dev); | |
1031 | return sprintf(buf, "%u\n", data->alarms); | |
1032 | } | |
1033 | ||
8d0ec428 | 1034 | static DEVICE_ATTR_RO(alarms); |
9873964d CS |
1035 | |
1036 | /* Beep control */ | |
1037 | ||
1038 | #define GLOBAL_BEEP_ENABLE_SHIFT 15 | |
1039 | #define GLOBAL_BEEP_ENABLE_MASK (1 << GLOBAL_BEEP_ENABLE_SHIFT) | |
1040 | ||
1041 | static ssize_t show_beep_enable(struct device *dev, | |
1042 | struct device_attribute *attr, char *buf) | |
1043 | { | |
1044 | struct w83791d_data *data = w83791d_update_device(dev); | |
1045 | return sprintf(buf, "%d\n", data->beep_enable); | |
1046 | } | |
1047 | ||
1048 | static ssize_t show_beep_mask(struct device *dev, | |
1049 | struct device_attribute *attr, char *buf) | |
1050 | { | |
1051 | struct w83791d_data *data = w83791d_update_device(dev); | |
1052 | return sprintf(buf, "%d\n", BEEP_MASK_FROM_REG(data->beep_mask)); | |
1053 | } | |
1054 | ||
1055 | ||
1056 | static ssize_t store_beep_mask(struct device *dev, | |
1057 | struct device_attribute *attr, | |
1058 | const char *buf, size_t count) | |
1059 | { | |
1060 | struct i2c_client *client = to_i2c_client(dev); | |
1061 | struct w83791d_data *data = i2c_get_clientdata(client); | |
9873964d | 1062 | int i; |
ec1c3194 GR |
1063 | long val; |
1064 | int err; | |
1065 | ||
1066 | err = kstrtol(buf, 10, &val); | |
1067 | if (err) | |
1068 | return err; | |
9873964d CS |
1069 | |
1070 | mutex_lock(&data->update_lock); | |
1071 | ||
ec1c3194 GR |
1072 | /* |
1073 | * The beep_enable state overrides any enabling request from | |
1074 | * the masks | |
1075 | */ | |
9873964d CS |
1076 | data->beep_mask = BEEP_MASK_TO_REG(val) & ~GLOBAL_BEEP_ENABLE_MASK; |
1077 | data->beep_mask |= (data->beep_enable << GLOBAL_BEEP_ENABLE_SHIFT); | |
1078 | ||
1079 | val = data->beep_mask; | |
1080 | ||
1081 | for (i = 0; i < 3; i++) { | |
1082 | w83791d_write(client, W83791D_REG_BEEP_CTRL[i], (val & 0xff)); | |
1083 | val >>= 8; | |
1084 | } | |
1085 | ||
1086 | mutex_unlock(&data->update_lock); | |
1087 | ||
1088 | return count; | |
1089 | } | |
1090 | ||
1091 | static ssize_t store_beep_enable(struct device *dev, | |
1092 | struct device_attribute *attr, | |
1093 | const char *buf, size_t count) | |
1094 | { | |
1095 | struct i2c_client *client = to_i2c_client(dev); | |
1096 | struct w83791d_data *data = i2c_get_clientdata(client); | |
ec1c3194 GR |
1097 | long val; |
1098 | int err; | |
1099 | ||
1100 | err = kstrtol(buf, 10, &val); | |
1101 | if (err) | |
1102 | return err; | |
9873964d CS |
1103 | |
1104 | mutex_lock(&data->update_lock); | |
1105 | ||
1106 | data->beep_enable = val ? 1 : 0; | |
1107 | ||
1108 | /* Keep the full mask value in sync with the current enable */ | |
1109 | data->beep_mask &= ~GLOBAL_BEEP_ENABLE_MASK; | |
1110 | data->beep_mask |= (data->beep_enable << GLOBAL_BEEP_ENABLE_SHIFT); | |
1111 | ||
ec1c3194 GR |
1112 | /* |
1113 | * The global control is in the second beep control register | |
1114 | * so only need to update that register | |
1115 | */ | |
9873964d CS |
1116 | val = (data->beep_mask >> 8) & 0xff; |
1117 | ||
1118 | w83791d_write(client, W83791D_REG_BEEP_CTRL[1], val); | |
1119 | ||
1120 | mutex_unlock(&data->update_lock); | |
1121 | ||
1122 | return count; | |
1123 | } | |
1124 | ||
1125 | static struct sensor_device_attribute sda_beep_ctrl[] = { | |
1126 | SENSOR_ATTR(beep_enable, S_IRUGO | S_IWUSR, | |
1127 | show_beep_enable, store_beep_enable, 0), | |
1128 | SENSOR_ATTR(beep_mask, S_IRUGO | S_IWUSR, | |
1129 | show_beep_mask, store_beep_mask, 1) | |
1130 | }; | |
1131 | ||
1132 | /* cpu voltage regulation information */ | |
8d0ec428 JL |
1133 | static ssize_t cpu0_vid_show(struct device *dev, |
1134 | struct device_attribute *attr, char *buf) | |
9873964d CS |
1135 | { |
1136 | struct w83791d_data *data = w83791d_update_device(dev); | |
1137 | return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); | |
1138 | } | |
1139 | ||
8d0ec428 | 1140 | static DEVICE_ATTR_RO(cpu0_vid); |
9873964d | 1141 | |
8d0ec428 JL |
1142 | static ssize_t vrm_show(struct device *dev, struct device_attribute *attr, |
1143 | char *buf) | |
9873964d | 1144 | { |
90d6619a | 1145 | struct w83791d_data *data = dev_get_drvdata(dev); |
9873964d CS |
1146 | return sprintf(buf, "%d\n", data->vrm); |
1147 | } | |
1148 | ||
8d0ec428 JL |
1149 | static ssize_t vrm_store(struct device *dev, struct device_attribute *attr, |
1150 | const char *buf, size_t count) | |
9873964d | 1151 | { |
8f74efe8 | 1152 | struct w83791d_data *data = dev_get_drvdata(dev); |
ec1c3194 GR |
1153 | unsigned long val; |
1154 | int err; | |
9873964d | 1155 | |
ec1c3194 GR |
1156 | /* |
1157 | * No lock needed as vrm is internal to the driver | |
1158 | * (not read from a chip register) and so is not | |
1159 | * updated in w83791d_update_device() | |
1160 | */ | |
9873964d | 1161 | |
ec1c3194 GR |
1162 | err = kstrtoul(buf, 10, &val); |
1163 | if (err) | |
1164 | return err; | |
1165 | ||
fe04f24b AL |
1166 | if (val > 255) |
1167 | return -EINVAL; | |
1168 | ||
ec1c3194 | 1169 | data->vrm = val; |
9873964d CS |
1170 | return count; |
1171 | } | |
1172 | ||
8d0ec428 | 1173 | static DEVICE_ATTR_RW(vrm); |
9873964d | 1174 | |
34fc921a | 1175 | #define IN_UNIT_ATTRS(X) \ |
ec1c3194 GR |
1176 | &sda_in_input[X].dev_attr.attr, \ |
1177 | &sda_in_min[X].dev_attr.attr, \ | |
1178 | &sda_in_max[X].dev_attr.attr, \ | |
1179 | &sda_in_beep[X].dev_attr.attr, \ | |
64383123 | 1180 | &sda_in_alarm[X].dev_attr.attr |
34fc921a JC |
1181 | |
1182 | #define FAN_UNIT_ATTRS(X) \ | |
ec1c3194 GR |
1183 | &sda_fan_input[X].dev_attr.attr, \ |
1184 | &sda_fan_min[X].dev_attr.attr, \ | |
1185 | &sda_fan_div[X].dev_attr.attr, \ | |
1186 | &sda_fan_beep[X].dev_attr.attr, \ | |
64383123 | 1187 | &sda_fan_alarm[X].dev_attr.attr |
34fc921a JC |
1188 | |
1189 | #define TEMP_UNIT_ATTRS(X) \ | |
ec1c3194 GR |
1190 | &sda_temp_input[X].dev_attr.attr, \ |
1191 | &sda_temp_max[X].dev_attr.attr, \ | |
1192 | &sda_temp_max_hyst[X].dev_attr.attr, \ | |
1193 | &sda_temp_beep[X].dev_attr.attr, \ | |
64383123 | 1194 | &sda_temp_alarm[X].dev_attr.attr |
34fc921a JC |
1195 | |
1196 | static struct attribute *w83791d_attributes[] = { | |
1197 | IN_UNIT_ATTRS(0), | |
1198 | IN_UNIT_ATTRS(1), | |
1199 | IN_UNIT_ATTRS(2), | |
1200 | IN_UNIT_ATTRS(3), | |
1201 | IN_UNIT_ATTRS(4), | |
1202 | IN_UNIT_ATTRS(5), | |
1203 | IN_UNIT_ATTRS(6), | |
1204 | IN_UNIT_ATTRS(7), | |
1205 | IN_UNIT_ATTRS(8), | |
1206 | IN_UNIT_ATTRS(9), | |
1207 | FAN_UNIT_ATTRS(0), | |
1208 | FAN_UNIT_ATTRS(1), | |
1209 | FAN_UNIT_ATTRS(2), | |
34fc921a JC |
1210 | TEMP_UNIT_ATTRS(0), |
1211 | TEMP_UNIT_ATTRS(1), | |
1212 | TEMP_UNIT_ATTRS(2), | |
1213 | &dev_attr_alarms.attr, | |
1214 | &sda_beep_ctrl[0].dev_attr.attr, | |
1215 | &sda_beep_ctrl[1].dev_attr.attr, | |
1216 | &dev_attr_cpu0_vid.attr, | |
1217 | &dev_attr_vrm.attr, | |
6495ce18 MH |
1218 | &sda_pwm[0].dev_attr.attr, |
1219 | &sda_pwm[1].dev_attr.attr, | |
1220 | &sda_pwm[2].dev_attr.attr, | |
b5938f8c MH |
1221 | &sda_pwmenable[0].dev_attr.attr, |
1222 | &sda_pwmenable[1].dev_attr.attr, | |
1223 | &sda_pwmenable[2].dev_attr.attr, | |
a5a4598c MH |
1224 | &sda_temp_target[0].dev_attr.attr, |
1225 | &sda_temp_target[1].dev_attr.attr, | |
1226 | &sda_temp_target[2].dev_attr.attr, | |
1227 | &sda_temp_tolerance[0].dev_attr.attr, | |
1228 | &sda_temp_tolerance[1].dev_attr.attr, | |
1229 | &sda_temp_tolerance[2].dev_attr.attr, | |
34fc921a JC |
1230 | NULL |
1231 | }; | |
1232 | ||
1233 | static const struct attribute_group w83791d_group = { | |
1234 | .attrs = w83791d_attributes, | |
1235 | }; | |
1236 | ||
ec1c3194 GR |
1237 | /* |
1238 | * Separate group of attributes for fan/pwm 4-5. Their pins can also be | |
1239 | * in use for GPIO in which case their sysfs-interface should not be made | |
1240 | * available | |
1241 | */ | |
6e1ecd9b MH |
1242 | static struct attribute *w83791d_attributes_fanpwm45[] = { |
1243 | FAN_UNIT_ATTRS(3), | |
1244 | FAN_UNIT_ATTRS(4), | |
6495ce18 MH |
1245 | &sda_pwm[3].dev_attr.attr, |
1246 | &sda_pwm[4].dev_attr.attr, | |
6e1ecd9b MH |
1247 | NULL |
1248 | }; | |
1249 | ||
1250 | static const struct attribute_group w83791d_group_fanpwm45 = { | |
1251 | .attrs = w83791d_attributes_fanpwm45, | |
1252 | }; | |
9873964d | 1253 | |
cb0c1af3 | 1254 | static int w83791d_detect_subclients(struct i2c_client *client) |
9873964d | 1255 | { |
cb0c1af3 | 1256 | struct i2c_adapter *adapter = client->adapter; |
cb0c1af3 | 1257 | int address = client->addr; |
358d2071 | 1258 | int i, id; |
9873964d CS |
1259 | u8 val; |
1260 | ||
1261 | id = i2c_adapter_id(adapter); | |
1262 | if (force_subclients[0] == id && force_subclients[1] == address) { | |
1263 | for (i = 2; i <= 3; i++) { | |
1264 | if (force_subclients[i] < 0x48 || | |
1265 | force_subclients[i] > 0x4f) { | |
1266 | dev_err(&client->dev, | |
1267 | "invalid subclient " | |
1268 | "address %d; must be 0x48-0x4f\n", | |
1269 | force_subclients[i]); | |
358d2071 | 1270 | return -ENODEV; |
9873964d CS |
1271 | } |
1272 | } | |
1273 | w83791d_write(client, W83791D_REG_I2C_SUBADDR, | |
1274 | (force_subclients[2] & 0x07) | | |
1275 | ((force_subclients[3] & 0x07) << 4)); | |
1276 | } | |
1277 | ||
1278 | val = w83791d_read(client, W83791D_REG_I2C_SUBADDR); | |
943c15ac NL |
1279 | |
1280 | if (!(val & 0x88) && (val & 0x7) == ((val >> 4) & 0x7)) { | |
1281 | dev_err(&client->dev, | |
1282 | "duplicate addresses 0x%x, use force_subclient\n", 0x48 + (val & 0x7)); | |
1283 | return -ENODEV; | |
9873964d CS |
1284 | } |
1285 | ||
943c15ac NL |
1286 | if (!(val & 0x08)) |
1287 | devm_i2c_new_dummy_device(&client->dev, adapter, 0x48 + (val & 0x7)); | |
1288 | ||
1289 | if (!(val & 0x80)) | |
1290 | devm_i2c_new_dummy_device(&client->dev, adapter, 0x48 + ((val >> 4) & 0x7)); | |
1291 | ||
9873964d | 1292 | return 0; |
9873964d CS |
1293 | } |
1294 | ||
1295 | ||
cb0c1af3 | 1296 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
310ec792 | 1297 | static int w83791d_detect(struct i2c_client *client, |
cb0c1af3 | 1298 | struct i2c_board_info *info) |
9873964d | 1299 | { |
cb0c1af3 JD |
1300 | struct i2c_adapter *adapter = client->adapter; |
1301 | int val1, val2; | |
1302 | unsigned short address = client->addr; | |
9873964d | 1303 | |
ec1c3194 | 1304 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
cb0c1af3 | 1305 | return -ENODEV; |
9873964d | 1306 | |
3f8b8459 JD |
1307 | if (w83791d_read(client, W83791D_REG_CONFIG) & 0x80) |
1308 | return -ENODEV; | |
1309 | ||
1310 | val1 = w83791d_read(client, W83791D_REG_BANK); | |
1311 | val2 = w83791d_read(client, W83791D_REG_CHIPMAN); | |
1312 | /* Check for Winbond ID if in bank 0 */ | |
1313 | if (!(val1 & 0x07)) { | |
1314 | if ((!(val1 & 0x80) && val2 != 0xa3) || | |
ec1c3194 | 1315 | ((val1 & 0x80) && val2 != 0x5c)) { |
cb0c1af3 | 1316 | return -ENODEV; |
9873964d CS |
1317 | } |
1318 | } | |
ec1c3194 GR |
1319 | /* |
1320 | * If Winbond chip, address of chip and W83791D_REG_I2C_ADDR | |
1321 | * should match | |
1322 | */ | |
3f8b8459 JD |
1323 | if (w83791d_read(client, W83791D_REG_I2C_ADDR) != address) |
1324 | return -ENODEV; | |
9873964d | 1325 | |
3f8b8459 | 1326 | /* We want bank 0 and Vendor ID high byte */ |
9873964d CS |
1327 | val1 = w83791d_read(client, W83791D_REG_BANK) & 0x78; |
1328 | w83791d_write(client, W83791D_REG_BANK, val1 | 0x80); | |
1329 | ||
1330 | /* Verify it is a Winbond w83791d */ | |
3f8b8459 JD |
1331 | val1 = w83791d_read(client, W83791D_REG_WCHIPID); |
1332 | val2 = w83791d_read(client, W83791D_REG_CHIPMAN); | |
1333 | if (val1 != 0x71 || val2 != 0x5c) | |
1334 | return -ENODEV; | |
9873964d | 1335 | |
cb0c1af3 JD |
1336 | strlcpy(info->type, "w83791d", I2C_NAME_SIZE); |
1337 | ||
1338 | return 0; | |
1339 | } | |
1340 | ||
77b5b8a8 | 1341 | static int w83791d_probe(struct i2c_client *client) |
cb0c1af3 JD |
1342 | { |
1343 | struct w83791d_data *data; | |
1344 | struct device *dev = &client->dev; | |
16a515fd | 1345 | int i, err; |
6e1ecd9b | 1346 | u8 has_fanpwm45; |
9873964d CS |
1347 | |
1348 | #ifdef DEBUG | |
16a515fd | 1349 | int val1; |
9873964d CS |
1350 | val1 = w83791d_read(client, W83791D_REG_DID_VID4); |
1351 | dev_dbg(dev, "Device ID version: %d.%d (0x%02x)\n", | |
1352 | (val1 >> 5) & 0x07, (val1 >> 1) & 0x0f, val1); | |
1353 | #endif | |
1354 | ||
6e13bb06 GR |
1355 | data = devm_kzalloc(&client->dev, sizeof(struct w83791d_data), |
1356 | GFP_KERNEL); | |
1357 | if (!data) | |
1358 | return -ENOMEM; | |
9873964d | 1359 | |
cb0c1af3 JD |
1360 | i2c_set_clientdata(client, data); |
1361 | mutex_init(&data->update_lock); | |
9873964d | 1362 | |
cb0c1af3 JD |
1363 | err = w83791d_detect_subclients(client); |
1364 | if (err) | |
6e13bb06 | 1365 | return err; |
9873964d CS |
1366 | |
1367 | /* Initialize the chip */ | |
1368 | w83791d_init_client(client); | |
1369 | ||
ec1c3194 GR |
1370 | /* |
1371 | * If the fan_div is changed, make sure there is a rational | |
1372 | * fan_min in place | |
1373 | */ | |
1374 | for (i = 0; i < NUMBER_OF_FANIN; i++) | |
9873964d | 1375 | data->fan_min[i] = w83791d_read(client, W83791D_REG_FAN_MIN[i]); |
9873964d CS |
1376 | |
1377 | /* Register sysfs hooks */ | |
ec1c3194 GR |
1378 | err = sysfs_create_group(&client->dev.kobj, &w83791d_group); |
1379 | if (err) | |
358d2071 | 1380 | return err; |
34fc921a | 1381 | |
6e1ecd9b MH |
1382 | /* Check if pins of fan/pwm 4-5 are in use as GPIO */ |
1383 | has_fanpwm45 = w83791d_read(client, W83791D_REG_GPIO) & 0x10; | |
1384 | if (has_fanpwm45) { | |
1385 | err = sysfs_create_group(&client->dev.kobj, | |
1386 | &w83791d_group_fanpwm45); | |
1387 | if (err) | |
1388 | goto error4; | |
1389 | } | |
1390 | ||
34fc921a | 1391 | /* Everything is ready, now register the working device */ |
1beeffe4 TJ |
1392 | data->hwmon_dev = hwmon_device_register(dev); |
1393 | if (IS_ERR(data->hwmon_dev)) { | |
1394 | err = PTR_ERR(data->hwmon_dev); | |
6e1ecd9b | 1395 | goto error5; |
9873964d CS |
1396 | } |
1397 | ||
9873964d CS |
1398 | return 0; |
1399 | ||
6e1ecd9b MH |
1400 | error5: |
1401 | if (has_fanpwm45) | |
1402 | sysfs_remove_group(&client->dev.kobj, &w83791d_group_fanpwm45); | |
34fc921a JC |
1403 | error4: |
1404 | sysfs_remove_group(&client->dev.kobj, &w83791d_group); | |
9873964d CS |
1405 | return err; |
1406 | } | |
1407 | ||
cb0c1af3 | 1408 | static int w83791d_remove(struct i2c_client *client) |
9873964d CS |
1409 | { |
1410 | struct w83791d_data *data = i2c_get_clientdata(client); | |
9873964d | 1411 | |
cb0c1af3 JD |
1412 | hwmon_device_unregister(data->hwmon_dev); |
1413 | sysfs_remove_group(&client->dev.kobj, &w83791d_group); | |
9873964d | 1414 | |
9873964d CS |
1415 | return 0; |
1416 | } | |
1417 | ||
1418 | static void w83791d_init_client(struct i2c_client *client) | |
1419 | { | |
1420 | struct w83791d_data *data = i2c_get_clientdata(client); | |
1421 | u8 tmp; | |
1422 | u8 old_beep; | |
1423 | ||
ec1c3194 GR |
1424 | /* |
1425 | * The difference between reset and init is that reset | |
1426 | * does a hard reset of the chip via index 0x40, bit 7, | |
1427 | * but init simply forces certain registers to have "sane" | |
1428 | * values. The hope is that the BIOS has done the right | |
1429 | * thing (which is why the default is reset=0, init=0), | |
1430 | * but if not, reset is the hard hammer and init | |
1431 | * is the soft mallet both of which are trying to whack | |
1432 | * things into place... | |
1433 | * NOTE: The data sheet makes a distinction between | |
1434 | * "power on defaults" and "reset by MR". As far as I can tell, | |
1435 | * the hard reset puts everything into a power-on state so I'm | |
1436 | * not sure what "reset by MR" means or how it can happen. | |
1437 | */ | |
9873964d CS |
1438 | if (reset || init) { |
1439 | /* keep some BIOS settings when we... */ | |
1440 | old_beep = w83791d_read(client, W83791D_REG_BEEP_CONFIG); | |
1441 | ||
1442 | if (reset) { | |
1443 | /* ... reset the chip and ... */ | |
1444 | w83791d_write(client, W83791D_REG_CONFIG, 0x80); | |
1445 | } | |
1446 | ||
1447 | /* ... disable power-on abnormal beep */ | |
1448 | w83791d_write(client, W83791D_REG_BEEP_CONFIG, old_beep | 0x80); | |
1449 | ||
1450 | /* disable the global beep (not done by hard reset) */ | |
1451 | tmp = w83791d_read(client, W83791D_REG_BEEP_CTRL[1]); | |
1452 | w83791d_write(client, W83791D_REG_BEEP_CTRL[1], tmp & 0xef); | |
1453 | ||
1454 | if (init) { | |
1455 | /* Make sure monitoring is turned on for add-ons */ | |
1456 | tmp = w83791d_read(client, W83791D_REG_TEMP2_CONFIG); | |
1457 | if (tmp & 1) { | |
1458 | w83791d_write(client, W83791D_REG_TEMP2_CONFIG, | |
1459 | tmp & 0xfe); | |
1460 | } | |
1461 | ||
1462 | tmp = w83791d_read(client, W83791D_REG_TEMP3_CONFIG); | |
1463 | if (tmp & 1) { | |
1464 | w83791d_write(client, W83791D_REG_TEMP3_CONFIG, | |
1465 | tmp & 0xfe); | |
1466 | } | |
1467 | ||
1468 | /* Start monitoring */ | |
1469 | tmp = w83791d_read(client, W83791D_REG_CONFIG) & 0xf7; | |
1470 | w83791d_write(client, W83791D_REG_CONFIG, tmp | 0x01); | |
1471 | } | |
1472 | } | |
1473 | ||
1474 | data->vrm = vid_which_vrm(); | |
1475 | } | |
1476 | ||
1477 | static struct w83791d_data *w83791d_update_device(struct device *dev) | |
1478 | { | |
1479 | struct i2c_client *client = to_i2c_client(dev); | |
1480 | struct w83791d_data *data = i2c_get_clientdata(client); | |
1481 | int i, j; | |
1482 | u8 reg_array_tmp[3]; | |
ad02ad85 | 1483 | u8 vbat_reg; |
9873964d CS |
1484 | |
1485 | mutex_lock(&data->update_lock); | |
1486 | ||
1487 | if (time_after(jiffies, data->last_updated + (HZ * 3)) | |
1488 | || !data->valid) { | |
1489 | dev_dbg(dev, "Starting w83791d device update\n"); | |
1490 | ||
1491 | /* Update the voltages measured value and limits */ | |
1492 | for (i = 0; i < NUMBER_OF_VIN; i++) { | |
1493 | data->in[i] = w83791d_read(client, | |
1494 | W83791D_REG_IN[i]); | |
1495 | data->in_max[i] = w83791d_read(client, | |
1496 | W83791D_REG_IN_MAX[i]); | |
1497 | data->in_min[i] = w83791d_read(client, | |
1498 | W83791D_REG_IN_MIN[i]); | |
1499 | } | |
1500 | ||
1501 | /* Update the fan counts and limits */ | |
1502 | for (i = 0; i < NUMBER_OF_FANIN; i++) { | |
1503 | /* Update the Fan measured value and limits */ | |
1504 | data->fan[i] = w83791d_read(client, | |
1505 | W83791D_REG_FAN[i]); | |
1506 | data->fan_min[i] = w83791d_read(client, | |
1507 | W83791D_REG_FAN_MIN[i]); | |
1508 | } | |
1509 | ||
1510 | /* Update the fan divisor */ | |
1511 | for (i = 0; i < 3; i++) { | |
1512 | reg_array_tmp[i] = w83791d_read(client, | |
1513 | W83791D_REG_FAN_DIV[i]); | |
1514 | } | |
1515 | data->fan_div[0] = (reg_array_tmp[0] >> 4) & 0x03; | |
1516 | data->fan_div[1] = (reg_array_tmp[0] >> 6) & 0x03; | |
1517 | data->fan_div[2] = (reg_array_tmp[1] >> 6) & 0x03; | |
1518 | data->fan_div[3] = reg_array_tmp[2] & 0x07; | |
1519 | data->fan_div[4] = (reg_array_tmp[2] >> 4) & 0x07; | |
1520 | ||
ec1c3194 GR |
1521 | /* |
1522 | * The fan divisor for fans 0-2 get bit 2 from | |
1523 | * bits 5-7 respectively of vbat register | |
1524 | */ | |
ad02ad85 MH |
1525 | vbat_reg = w83791d_read(client, W83791D_REG_VBAT); |
1526 | for (i = 0; i < 3; i++) | |
1527 | data->fan_div[i] |= (vbat_reg >> (3 + i)) & 0x04; | |
1528 | ||
6495ce18 MH |
1529 | /* Update PWM duty cycle */ |
1530 | for (i = 0; i < NUMBER_OF_PWM; i++) { | |
1531 | data->pwm[i] = w83791d_read(client, | |
1532 | W83791D_REG_PWM[i]); | |
1533 | } | |
1534 | ||
b5938f8c MH |
1535 | /* Update PWM enable status */ |
1536 | for (i = 0; i < 2; i++) { | |
1537 | reg_array_tmp[i] = w83791d_read(client, | |
1538 | W83791D_REG_FAN_CFG[i]); | |
1539 | } | |
1540 | data->pwm_enable[0] = (reg_array_tmp[0] >> 2) & 0x03; | |
1541 | data->pwm_enable[1] = (reg_array_tmp[0] >> 4) & 0x03; | |
1542 | data->pwm_enable[2] = (reg_array_tmp[1] >> 2) & 0x03; | |
1543 | ||
a5a4598c MH |
1544 | /* Update PWM target temperature */ |
1545 | for (i = 0; i < 3; i++) { | |
1546 | data->temp_target[i] = w83791d_read(client, | |
1547 | W83791D_REG_TEMP_TARGET[i]) & 0x7f; | |
1548 | } | |
1549 | ||
1550 | /* Update PWM temperature tolerance */ | |
1551 | for (i = 0; i < 2; i++) { | |
1552 | reg_array_tmp[i] = w83791d_read(client, | |
1553 | W83791D_REG_TEMP_TOL[i]); | |
1554 | } | |
1555 | data->temp_tolerance[0] = reg_array_tmp[0] & 0x0f; | |
1556 | data->temp_tolerance[1] = (reg_array_tmp[0] >> 4) & 0x0f; | |
1557 | data->temp_tolerance[2] = reg_array_tmp[1] & 0x0f; | |
1558 | ||
9873964d CS |
1559 | /* Update the first temperature sensor */ |
1560 | for (i = 0; i < 3; i++) { | |
1561 | data->temp1[i] = w83791d_read(client, | |
1562 | W83791D_REG_TEMP1[i]); | |
1563 | } | |
1564 | ||
1565 | /* Update the rest of the temperature sensors */ | |
1566 | for (i = 0; i < 2; i++) { | |
1567 | for (j = 0; j < 3; j++) { | |
1568 | data->temp_add[i][j] = | |
1569 | (w83791d_read(client, | |
1570 | W83791D_REG_TEMP_ADD[i][j * 2]) << 8) | | |
1571 | w83791d_read(client, | |
1572 | W83791D_REG_TEMP_ADD[i][j * 2 + 1]); | |
1573 | } | |
1574 | } | |
1575 | ||
1576 | /* Update the realtime status */ | |
1577 | data->alarms = | |
1578 | w83791d_read(client, W83791D_REG_ALARM1) + | |
1579 | (w83791d_read(client, W83791D_REG_ALARM2) << 8) + | |
1580 | (w83791d_read(client, W83791D_REG_ALARM3) << 16); | |
1581 | ||
1582 | /* Update the beep configuration information */ | |
1583 | data->beep_mask = | |
1584 | w83791d_read(client, W83791D_REG_BEEP_CTRL[0]) + | |
1585 | (w83791d_read(client, W83791D_REG_BEEP_CTRL[1]) << 8) + | |
1586 | (w83791d_read(client, W83791D_REG_BEEP_CTRL[2]) << 16); | |
1587 | ||
125751cb | 1588 | /* Extract global beep enable flag */ |
9873964d CS |
1589 | data->beep_enable = |
1590 | (data->beep_mask >> GLOBAL_BEEP_ENABLE_SHIFT) & 0x01; | |
1591 | ||
1592 | /* Update the cpu voltage information */ | |
1593 | i = w83791d_read(client, W83791D_REG_VID_FANDIV); | |
1594 | data->vid = i & 0x0f; | |
1595 | data->vid |= (w83791d_read(client, W83791D_REG_DID_VID4) & 0x01) | |
1596 | << 4; | |
1597 | ||
1598 | data->last_updated = jiffies; | |
1599 | data->valid = 1; | |
1600 | } | |
1601 | ||
1602 | mutex_unlock(&data->update_lock); | |
1603 | ||
1604 | #ifdef DEBUG | |
1605 | w83791d_print_debug(data, dev); | |
1606 | #endif | |
1607 | ||
1608 | return data; | |
1609 | } | |
1610 | ||
1611 | #ifdef DEBUG | |
1612 | static void w83791d_print_debug(struct w83791d_data *data, struct device *dev) | |
1613 | { | |
1614 | int i = 0, j = 0; | |
1615 | ||
1616 | dev_dbg(dev, "======Start of w83791d debug values======\n"); | |
1617 | dev_dbg(dev, "%d set of Voltages: ===>\n", NUMBER_OF_VIN); | |
1618 | for (i = 0; i < NUMBER_OF_VIN; i++) { | |
1619 | dev_dbg(dev, "vin[%d] is: 0x%02x\n", i, data->in[i]); | |
1620 | dev_dbg(dev, "vin[%d] min is: 0x%02x\n", i, data->in_min[i]); | |
1621 | dev_dbg(dev, "vin[%d] max is: 0x%02x\n", i, data->in_max[i]); | |
1622 | } | |
1623 | dev_dbg(dev, "%d set of Fan Counts/Divisors: ===>\n", NUMBER_OF_FANIN); | |
1624 | for (i = 0; i < NUMBER_OF_FANIN; i++) { | |
1625 | dev_dbg(dev, "fan[%d] is: 0x%02x\n", i, data->fan[i]); | |
1626 | dev_dbg(dev, "fan[%d] min is: 0x%02x\n", i, data->fan_min[i]); | |
1627 | dev_dbg(dev, "fan_div[%d] is: 0x%02x\n", i, data->fan_div[i]); | |
1628 | } | |
1629 | ||
ec1c3194 GR |
1630 | /* |
1631 | * temperature math is signed, but only print out the | |
1632 | * bits that matter | |
1633 | */ | |
9873964d | 1634 | dev_dbg(dev, "%d set of Temperatures: ===>\n", NUMBER_OF_TEMPIN); |
ec1c3194 | 1635 | for (i = 0; i < 3; i++) |
9873964d | 1636 | dev_dbg(dev, "temp1[%d] is: 0x%02x\n", i, (u8) data->temp1[i]); |
9873964d CS |
1637 | for (i = 0; i < 2; i++) { |
1638 | for (j = 0; j < 3; j++) { | |
1639 | dev_dbg(dev, "temp_add[%d][%d] is: 0x%04x\n", i, j, | |
1640 | (u16) data->temp_add[i][j]); | |
1641 | } | |
1642 | } | |
1643 | ||
1644 | dev_dbg(dev, "Misc Information: ===>\n"); | |
1645 | dev_dbg(dev, "alarm is: 0x%08x\n", data->alarms); | |
1646 | dev_dbg(dev, "beep_mask is: 0x%08x\n", data->beep_mask); | |
1647 | dev_dbg(dev, "beep_enable is: %d\n", data->beep_enable); | |
1648 | dev_dbg(dev, "vid is: 0x%02x\n", data->vid); | |
1649 | dev_dbg(dev, "vrm is: 0x%02x\n", data->vrm); | |
1650 | dev_dbg(dev, "=======End of w83791d debug values========\n"); | |
1651 | dev_dbg(dev, "\n"); | |
1652 | } | |
1653 | #endif | |
1654 | ||
f0967eea | 1655 | module_i2c_driver(w83791d_driver); |
9873964d CS |
1656 | |
1657 | MODULE_AUTHOR("Charles Spirakis <bezaur@gmail.com>"); | |
1658 | MODULE_DESCRIPTION("W83791D driver"); | |
1659 | MODULE_LICENSE("GPL"); |