Commit | Line | Data |
---|---|---|
9873964d CS |
1 | /* |
2 | w83791d.c - Part of lm_sensors, Linux kernel modules for hardware | |
3 | monitoring | |
4 | ||
64383123 | 5 | Copyright (C) 2006-2007 Charles Spirakis <bezaur@gmail.com> |
9873964d CS |
6 | |
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | */ | |
21 | ||
22 | /* | |
23 | Supports following chips: | |
24 | ||
25 | Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA | |
6495ce18 | 26 | w83791d 10 5 5 3 0x71 0x5ca3 yes no |
9873964d CS |
27 | |
28 | The w83791d chip appears to be part way between the 83781d and the | |
29 | 83792d. Thus, this file is derived from both the w83792d.c and | |
125751cb CS |
30 | w83781d.c files. |
31 | ||
32 | The w83791g chip is the same as the w83791d but lead-free. | |
9873964d CS |
33 | */ |
34 | ||
9873964d CS |
35 | #include <linux/module.h> |
36 | #include <linux/init.h> | |
37 | #include <linux/slab.h> | |
38 | #include <linux/i2c.h> | |
39 | #include <linux/hwmon.h> | |
40 | #include <linux/hwmon-vid.h> | |
41 | #include <linux/hwmon-sysfs.h> | |
42 | #include <linux/err.h> | |
43 | #include <linux/mutex.h> | |
44 | ||
45 | #define NUMBER_OF_VIN 10 | |
46 | #define NUMBER_OF_FANIN 5 | |
47 | #define NUMBER_OF_TEMPIN 3 | |
6495ce18 | 48 | #define NUMBER_OF_PWM 5 |
9873964d CS |
49 | |
50 | /* Addresses to scan */ | |
25e9c86d MH |
51 | static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, |
52 | I2C_CLIENT_END }; | |
9873964d CS |
53 | |
54 | /* Insmod parameters */ | |
55 | I2C_CLIENT_INSMOD_1(w83791d); | |
56 | I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: " | |
57 | "{bus, clientaddr, subclientaddr1, subclientaddr2}"); | |
58 | ||
59 | static int reset; | |
60 | module_param(reset, bool, 0); | |
61 | MODULE_PARM_DESC(reset, "Set to one to force a hardware chip reset"); | |
62 | ||
63 | static int init; | |
64 | module_param(init, bool, 0); | |
65 | MODULE_PARM_DESC(init, "Set to one to force extra software initialization"); | |
66 | ||
67 | /* The W83791D registers */ | |
68 | static const u8 W83791D_REG_IN[NUMBER_OF_VIN] = { | |
69 | 0x20, /* VCOREA in DataSheet */ | |
70 | 0x21, /* VINR0 in DataSheet */ | |
71 | 0x22, /* +3.3VIN in DataSheet */ | |
72 | 0x23, /* VDD5V in DataSheet */ | |
73 | 0x24, /* +12VIN in DataSheet */ | |
74 | 0x25, /* -12VIN in DataSheet */ | |
75 | 0x26, /* -5VIN in DataSheet */ | |
76 | 0xB0, /* 5VSB in DataSheet */ | |
77 | 0xB1, /* VBAT in DataSheet */ | |
78 | 0xB2 /* VINR1 in DataSheet */ | |
79 | }; | |
80 | ||
81 | static const u8 W83791D_REG_IN_MAX[NUMBER_OF_VIN] = { | |
82 | 0x2B, /* VCOREA High Limit in DataSheet */ | |
83 | 0x2D, /* VINR0 High Limit in DataSheet */ | |
84 | 0x2F, /* +3.3VIN High Limit in DataSheet */ | |
85 | 0x31, /* VDD5V High Limit in DataSheet */ | |
86 | 0x33, /* +12VIN High Limit in DataSheet */ | |
87 | 0x35, /* -12VIN High Limit in DataSheet */ | |
88 | 0x37, /* -5VIN High Limit in DataSheet */ | |
89 | 0xB4, /* 5VSB High Limit in DataSheet */ | |
90 | 0xB6, /* VBAT High Limit in DataSheet */ | |
91 | 0xB8 /* VINR1 High Limit in DataSheet */ | |
92 | }; | |
93 | static const u8 W83791D_REG_IN_MIN[NUMBER_OF_VIN] = { | |
94 | 0x2C, /* VCOREA Low Limit in DataSheet */ | |
95 | 0x2E, /* VINR0 Low Limit in DataSheet */ | |
96 | 0x30, /* +3.3VIN Low Limit in DataSheet */ | |
97 | 0x32, /* VDD5V Low Limit in DataSheet */ | |
98 | 0x34, /* +12VIN Low Limit in DataSheet */ | |
99 | 0x36, /* -12VIN Low Limit in DataSheet */ | |
100 | 0x38, /* -5VIN Low Limit in DataSheet */ | |
101 | 0xB5, /* 5VSB Low Limit in DataSheet */ | |
102 | 0xB7, /* VBAT Low Limit in DataSheet */ | |
103 | 0xB9 /* VINR1 Low Limit in DataSheet */ | |
104 | }; | |
105 | static const u8 W83791D_REG_FAN[NUMBER_OF_FANIN] = { | |
106 | 0x28, /* FAN 1 Count in DataSheet */ | |
107 | 0x29, /* FAN 2 Count in DataSheet */ | |
108 | 0x2A, /* FAN 3 Count in DataSheet */ | |
109 | 0xBA, /* FAN 4 Count in DataSheet */ | |
110 | 0xBB, /* FAN 5 Count in DataSheet */ | |
111 | }; | |
112 | static const u8 W83791D_REG_FAN_MIN[NUMBER_OF_FANIN] = { | |
113 | 0x3B, /* FAN 1 Count Low Limit in DataSheet */ | |
114 | 0x3C, /* FAN 2 Count Low Limit in DataSheet */ | |
115 | 0x3D, /* FAN 3 Count Low Limit in DataSheet */ | |
116 | 0xBC, /* FAN 4 Count Low Limit in DataSheet */ | |
117 | 0xBD, /* FAN 5 Count Low Limit in DataSheet */ | |
118 | }; | |
119 | ||
6495ce18 MH |
120 | static const u8 W83791D_REG_PWM[NUMBER_OF_PWM] = { |
121 | 0x81, /* PWM 1 duty cycle register in DataSheet */ | |
122 | 0x83, /* PWM 2 duty cycle register in DataSheet */ | |
123 | 0x94, /* PWM 3 duty cycle register in DataSheet */ | |
124 | 0xA0, /* PWM 4 duty cycle register in DataSheet */ | |
125 | 0xA1, /* PWM 5 duty cycle register in DataSheet */ | |
126 | }; | |
127 | ||
a5a4598c MH |
128 | static const u8 W83791D_REG_TEMP_TARGET[3] = { |
129 | 0x85, /* PWM 1 target temperature for temp 1 */ | |
130 | 0x86, /* PWM 2 target temperature for temp 2 */ | |
131 | 0x96, /* PWM 3 target temperature for temp 3 */ | |
132 | }; | |
133 | ||
134 | static const u8 W83791D_REG_TEMP_TOL[2] = { | |
135 | 0x87, /* PWM 1/2 temperature tolerance */ | |
136 | 0x97, /* PWM 3 temperature tolerance */ | |
137 | }; | |
138 | ||
9873964d CS |
139 | static const u8 W83791D_REG_FAN_CFG[2] = { |
140 | 0x84, /* FAN 1/2 configuration */ | |
141 | 0x95, /* FAN 3 configuration */ | |
142 | }; | |
143 | ||
144 | static const u8 W83791D_REG_FAN_DIV[3] = { | |
145 | 0x47, /* contains FAN1 and FAN2 Divisor */ | |
146 | 0x4b, /* contains FAN3 Divisor */ | |
147 | 0x5C, /* contains FAN4 and FAN5 Divisor */ | |
148 | }; | |
149 | ||
150 | #define W83791D_REG_BANK 0x4E | |
151 | #define W83791D_REG_TEMP2_CONFIG 0xC2 | |
152 | #define W83791D_REG_TEMP3_CONFIG 0xCA | |
153 | ||
154 | static const u8 W83791D_REG_TEMP1[3] = { | |
155 | 0x27, /* TEMP 1 in DataSheet */ | |
156 | 0x39, /* TEMP 1 Over in DataSheet */ | |
157 | 0x3A, /* TEMP 1 Hyst in DataSheet */ | |
158 | }; | |
159 | ||
160 | static const u8 W83791D_REG_TEMP_ADD[2][6] = { | |
161 | {0xC0, /* TEMP 2 in DataSheet */ | |
162 | 0xC1, /* TEMP 2(0.5 deg) in DataSheet */ | |
163 | 0xC5, /* TEMP 2 Over High part in DataSheet */ | |
164 | 0xC6, /* TEMP 2 Over Low part in DataSheet */ | |
165 | 0xC3, /* TEMP 2 Thyst High part in DataSheet */ | |
166 | 0xC4}, /* TEMP 2 Thyst Low part in DataSheet */ | |
167 | {0xC8, /* TEMP 3 in DataSheet */ | |
168 | 0xC9, /* TEMP 3(0.5 deg) in DataSheet */ | |
169 | 0xCD, /* TEMP 3 Over High part in DataSheet */ | |
170 | 0xCE, /* TEMP 3 Over Low part in DataSheet */ | |
171 | 0xCB, /* TEMP 3 Thyst High part in DataSheet */ | |
172 | 0xCC} /* TEMP 3 Thyst Low part in DataSheet */ | |
173 | }; | |
174 | ||
175 | #define W83791D_REG_BEEP_CONFIG 0x4D | |
176 | ||
177 | static const u8 W83791D_REG_BEEP_CTRL[3] = { | |
178 | 0x56, /* BEEP Control Register 1 */ | |
179 | 0x57, /* BEEP Control Register 2 */ | |
180 | 0xA3, /* BEEP Control Register 3 */ | |
181 | }; | |
182 | ||
6e1ecd9b | 183 | #define W83791D_REG_GPIO 0x15 |
9873964d CS |
184 | #define W83791D_REG_CONFIG 0x40 |
185 | #define W83791D_REG_VID_FANDIV 0x47 | |
186 | #define W83791D_REG_DID_VID4 0x49 | |
187 | #define W83791D_REG_WCHIPID 0x58 | |
188 | #define W83791D_REG_CHIPMAN 0x4F | |
189 | #define W83791D_REG_PIN 0x4B | |
190 | #define W83791D_REG_I2C_SUBADDR 0x4A | |
191 | ||
192 | #define W83791D_REG_ALARM1 0xA9 /* realtime status register1 */ | |
193 | #define W83791D_REG_ALARM2 0xAA /* realtime status register2 */ | |
194 | #define W83791D_REG_ALARM3 0xAB /* realtime status register3 */ | |
195 | ||
196 | #define W83791D_REG_VBAT 0x5D | |
197 | #define W83791D_REG_I2C_ADDR 0x48 | |
198 | ||
199 | /* The SMBus locks itself. The Winbond W83791D has a bank select register | |
200 | (index 0x4e), but the driver only accesses registers in bank 0. Since | |
201 | we don't switch banks, we don't need any special code to handle | |
202 | locking access between bank switches */ | |
203 | static inline int w83791d_read(struct i2c_client *client, u8 reg) | |
204 | { | |
205 | return i2c_smbus_read_byte_data(client, reg); | |
206 | } | |
207 | ||
208 | static inline int w83791d_write(struct i2c_client *client, u8 reg, u8 value) | |
209 | { | |
210 | return i2c_smbus_write_byte_data(client, reg, value); | |
211 | } | |
212 | ||
213 | /* The analog voltage inputs have 16mV LSB. Since the sysfs output is | |
214 | in mV as would be measured on the chip input pin, need to just | |
215 | multiply/divide by 16 to translate from/to register values. */ | |
216 | #define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8) / 16), 0, 255)) | |
217 | #define IN_FROM_REG(val) ((val) * 16) | |
218 | ||
219 | static u8 fan_to_reg(long rpm, int div) | |
220 | { | |
221 | if (rpm == 0) | |
222 | return 255; | |
223 | rpm = SENSORS_LIMIT(rpm, 1, 1000000); | |
224 | return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); | |
225 | } | |
226 | ||
227 | #define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \ | |
228 | ((val) == 255 ? 0 : \ | |
229 | 1350000 / ((val) * (div)))) | |
230 | ||
231 | /* for temp1 which is 8-bit resolution, LSB = 1 degree Celsius */ | |
232 | #define TEMP1_FROM_REG(val) ((val) * 1000) | |
233 | #define TEMP1_TO_REG(val) ((val) <= -128000 ? -128 : \ | |
234 | (val) >= 127000 ? 127 : \ | |
235 | (val) < 0 ? ((val) - 500) / 1000 : \ | |
236 | ((val) + 500) / 1000) | |
237 | ||
238 | /* for temp2 and temp3 which are 9-bit resolution, LSB = 0.5 degree Celsius | |
239 | Assumes the top 8 bits are the integral amount and the bottom 8 bits | |
240 | are the fractional amount. Since we only have 0.5 degree resolution, | |
241 | the bottom 7 bits will always be zero */ | |
242 | #define TEMP23_FROM_REG(val) ((val) / 128 * 500) | |
243 | #define TEMP23_TO_REG(val) ((val) <= -128000 ? 0x8000 : \ | |
244 | (val) >= 127500 ? 0x7F80 : \ | |
245 | (val) < 0 ? ((val) - 250) / 500 * 128 : \ | |
246 | ((val) + 250) / 500 * 128) | |
247 | ||
a5a4598c MH |
248 | /* for thermal cruise target temp, 7-bits, LSB = 1 degree Celsius */ |
249 | #define TARGET_TEMP_TO_REG(val) ((val) < 0 ? 0 : \ | |
250 | (val) >= 127000 ? 127 : \ | |
251 | ((val) + 500) / 1000) | |
252 | ||
253 | /* for thermal cruise temp tolerance, 4-bits, LSB = 1 degree Celsius */ | |
254 | #define TOL_TEMP_TO_REG(val) ((val) < 0 ? 0 : \ | |
255 | (val) >= 15000 ? 15 : \ | |
256 | ((val) + 500) / 1000) | |
9873964d CS |
257 | |
258 | #define BEEP_MASK_TO_REG(val) ((val) & 0xffffff) | |
259 | #define BEEP_MASK_FROM_REG(val) ((val) & 0xffffff) | |
260 | ||
261 | #define DIV_FROM_REG(val) (1 << (val)) | |
262 | ||
263 | static u8 div_to_reg(int nr, long val) | |
264 | { | |
265 | int i; | |
9873964d | 266 | |
ad02ad85 MH |
267 | /* fan divisors max out at 128 */ |
268 | val = SENSORS_LIMIT(val, 1, 128) >> 1; | |
9873964d CS |
269 | for (i = 0; i < 7; i++) { |
270 | if (val == 0) | |
271 | break; | |
272 | val >>= 1; | |
273 | } | |
274 | return (u8) i; | |
275 | } | |
276 | ||
277 | struct w83791d_data { | |
1beeffe4 | 278 | struct device *hwmon_dev; |
9873964d CS |
279 | struct mutex update_lock; |
280 | ||
281 | char valid; /* !=0 if following fields are valid */ | |
282 | unsigned long last_updated; /* In jiffies */ | |
283 | ||
284 | /* array of 2 pointers to subclients */ | |
285 | struct i2c_client *lm75[2]; | |
286 | ||
287 | /* volts */ | |
288 | u8 in[NUMBER_OF_VIN]; /* Register value */ | |
289 | u8 in_max[NUMBER_OF_VIN]; /* Register value */ | |
290 | u8 in_min[NUMBER_OF_VIN]; /* Register value */ | |
291 | ||
292 | /* fans */ | |
293 | u8 fan[NUMBER_OF_FANIN]; /* Register value */ | |
294 | u8 fan_min[NUMBER_OF_FANIN]; /* Register value */ | |
295 | u8 fan_div[NUMBER_OF_FANIN]; /* Register encoding, shifted right */ | |
296 | ||
297 | /* Temperature sensors */ | |
298 | ||
299 | s8 temp1[3]; /* current, over, thyst */ | |
300 | s16 temp_add[2][3]; /* fixed point value. Top 8 bits are the | |
301 | integral part, bottom 8 bits are the | |
302 | fractional part. We only use the top | |
303 | 9 bits as the resolution is only | |
304 | to the 0.5 degree C... | |
305 | two sensors with three values | |
306 | (cur, over, hyst) */ | |
307 | ||
6495ce18 MH |
308 | /* PWMs */ |
309 | u8 pwm[5]; /* pwm duty cycle */ | |
b5938f8c MH |
310 | u8 pwm_enable[3]; /* pwm enable status for fan 1-3 |
311 | (fan 4-5 only support manual mode) */ | |
6495ce18 | 312 | |
a5a4598c MH |
313 | u8 temp_target[3]; /* pwm 1-3 target temperature */ |
314 | u8 temp_tolerance[3]; /* pwm 1-3 temperature tolerance */ | |
315 | ||
9873964d CS |
316 | /* Misc */ |
317 | u32 alarms; /* realtime status register encoding,combined */ | |
318 | u8 beep_enable; /* Global beep enable */ | |
319 | u32 beep_mask; /* Mask off specific beeps */ | |
320 | u8 vid; /* Register encoding, combined */ | |
321 | u8 vrm; /* hwmon-vid */ | |
322 | }; | |
323 | ||
cb0c1af3 JD |
324 | static int w83791d_probe(struct i2c_client *client, |
325 | const struct i2c_device_id *id); | |
326 | static int w83791d_detect(struct i2c_client *client, int kind, | |
327 | struct i2c_board_info *info); | |
328 | static int w83791d_remove(struct i2c_client *client); | |
9873964d CS |
329 | |
330 | static int w83791d_read(struct i2c_client *client, u8 register); | |
331 | static int w83791d_write(struct i2c_client *client, u8 register, u8 value); | |
332 | static struct w83791d_data *w83791d_update_device(struct device *dev); | |
333 | ||
334 | #ifdef DEBUG | |
335 | static void w83791d_print_debug(struct w83791d_data *data, struct device *dev); | |
336 | #endif | |
337 | ||
338 | static void w83791d_init_client(struct i2c_client *client); | |
339 | ||
cb0c1af3 JD |
340 | static const struct i2c_device_id w83791d_id[] = { |
341 | { "w83791d", w83791d }, | |
342 | { } | |
343 | }; | |
344 | MODULE_DEVICE_TABLE(i2c, w83791d_id); | |
345 | ||
9873964d | 346 | static struct i2c_driver w83791d_driver = { |
cb0c1af3 | 347 | .class = I2C_CLASS_HWMON, |
9873964d CS |
348 | .driver = { |
349 | .name = "w83791d", | |
350 | }, | |
cb0c1af3 JD |
351 | .probe = w83791d_probe, |
352 | .remove = w83791d_remove, | |
353 | .id_table = w83791d_id, | |
354 | .detect = w83791d_detect, | |
355 | .address_data = &addr_data, | |
9873964d CS |
356 | }; |
357 | ||
358 | /* following are the sysfs callback functions */ | |
359 | #define show_in_reg(reg) \ | |
360 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ | |
361 | char *buf) \ | |
362 | { \ | |
363 | struct sensor_device_attribute *sensor_attr = \ | |
364 | to_sensor_dev_attr(attr); \ | |
365 | struct w83791d_data *data = w83791d_update_device(dev); \ | |
366 | int nr = sensor_attr->index; \ | |
367 | return sprintf(buf,"%d\n", IN_FROM_REG(data->reg[nr])); \ | |
368 | } | |
369 | ||
370 | show_in_reg(in); | |
371 | show_in_reg(in_min); | |
372 | show_in_reg(in_max); | |
373 | ||
374 | #define store_in_reg(REG, reg) \ | |
375 | static ssize_t store_in_##reg(struct device *dev, \ | |
376 | struct device_attribute *attr, \ | |
377 | const char *buf, size_t count) \ | |
378 | { \ | |
379 | struct sensor_device_attribute *sensor_attr = \ | |
380 | to_sensor_dev_attr(attr); \ | |
381 | struct i2c_client *client = to_i2c_client(dev); \ | |
382 | struct w83791d_data *data = i2c_get_clientdata(client); \ | |
383 | unsigned long val = simple_strtoul(buf, NULL, 10); \ | |
384 | int nr = sensor_attr->index; \ | |
385 | \ | |
386 | mutex_lock(&data->update_lock); \ | |
387 | data->in_##reg[nr] = IN_TO_REG(val); \ | |
388 | w83791d_write(client, W83791D_REG_IN_##REG[nr], data->in_##reg[nr]); \ | |
389 | mutex_unlock(&data->update_lock); \ | |
390 | \ | |
391 | return count; \ | |
392 | } | |
393 | store_in_reg(MIN, min); | |
394 | store_in_reg(MAX, max); | |
395 | ||
396 | static struct sensor_device_attribute sda_in_input[] = { | |
397 | SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), | |
398 | SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), | |
399 | SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), | |
400 | SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), | |
401 | SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), | |
402 | SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), | |
403 | SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), | |
404 | SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), | |
405 | SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), | |
406 | SENSOR_ATTR(in9_input, S_IRUGO, show_in, NULL, 9), | |
407 | }; | |
408 | ||
409 | static struct sensor_device_attribute sda_in_min[] = { | |
410 | SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), | |
411 | SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), | |
412 | SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), | |
413 | SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), | |
414 | SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), | |
415 | SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), | |
416 | SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), | |
417 | SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), | |
418 | SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), | |
419 | SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 9), | |
420 | }; | |
421 | ||
422 | static struct sensor_device_attribute sda_in_max[] = { | |
423 | SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), | |
424 | SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), | |
425 | SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), | |
426 | SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), | |
427 | SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), | |
428 | SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), | |
429 | SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), | |
430 | SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), | |
431 | SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), | |
432 | SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9), | |
433 | }; | |
434 | ||
64383123 CS |
435 | |
436 | static ssize_t show_beep(struct device *dev, struct device_attribute *attr, | |
437 | char *buf) | |
438 | { | |
439 | struct sensor_device_attribute *sensor_attr = | |
440 | to_sensor_dev_attr(attr); | |
441 | struct w83791d_data *data = w83791d_update_device(dev); | |
442 | int bitnr = sensor_attr->index; | |
443 | ||
444 | return sprintf(buf, "%d\n", (data->beep_mask >> bitnr) & 1); | |
445 | } | |
446 | ||
447 | static ssize_t store_beep(struct device *dev, struct device_attribute *attr, | |
448 | const char *buf, size_t count) | |
449 | { | |
450 | struct sensor_device_attribute *sensor_attr = | |
451 | to_sensor_dev_attr(attr); | |
452 | struct i2c_client *client = to_i2c_client(dev); | |
453 | struct w83791d_data *data = i2c_get_clientdata(client); | |
454 | int bitnr = sensor_attr->index; | |
455 | int bytenr = bitnr / 8; | |
456 | long val = simple_strtol(buf, NULL, 10) ? 1 : 0; | |
457 | ||
458 | mutex_lock(&data->update_lock); | |
459 | ||
460 | data->beep_mask &= ~(0xff << (bytenr * 8)); | |
461 | data->beep_mask |= w83791d_read(client, W83791D_REG_BEEP_CTRL[bytenr]) | |
462 | << (bytenr * 8); | |
463 | ||
464 | data->beep_mask &= ~(1 << bitnr); | |
465 | data->beep_mask |= val << bitnr; | |
466 | ||
467 | w83791d_write(client, W83791D_REG_BEEP_CTRL[bytenr], | |
468 | (data->beep_mask >> (bytenr * 8)) & 0xff); | |
469 | ||
470 | mutex_unlock(&data->update_lock); | |
471 | ||
472 | return count; | |
473 | } | |
474 | ||
475 | static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, | |
476 | char *buf) | |
477 | { | |
478 | struct sensor_device_attribute *sensor_attr = | |
479 | to_sensor_dev_attr(attr); | |
480 | struct w83791d_data *data = w83791d_update_device(dev); | |
481 | int bitnr = sensor_attr->index; | |
482 | ||
483 | return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1); | |
484 | } | |
485 | ||
486 | /* Note: The bitmask for the beep enable/disable is different than | |
487 | the bitmask for the alarm. */ | |
488 | static struct sensor_device_attribute sda_in_beep[] = { | |
489 | SENSOR_ATTR(in0_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 0), | |
490 | SENSOR_ATTR(in1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 13), | |
491 | SENSOR_ATTR(in2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 2), | |
492 | SENSOR_ATTR(in3_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 3), | |
493 | SENSOR_ATTR(in4_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 8), | |
494 | SENSOR_ATTR(in5_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 9), | |
495 | SENSOR_ATTR(in6_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 10), | |
496 | SENSOR_ATTR(in7_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 16), | |
497 | SENSOR_ATTR(in8_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 17), | |
498 | SENSOR_ATTR(in9_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 14), | |
499 | }; | |
500 | ||
501 | static struct sensor_device_attribute sda_in_alarm[] = { | |
502 | SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0), | |
503 | SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1), | |
504 | SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2), | |
505 | SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3), | |
506 | SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8), | |
507 | SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9), | |
508 | SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10), | |
509 | SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 19), | |
510 | SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 20), | |
511 | SENSOR_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 14), | |
512 | }; | |
513 | ||
9873964d CS |
514 | #define show_fan_reg(reg) \ |
515 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ | |
516 | char *buf) \ | |
517 | { \ | |
518 | struct sensor_device_attribute *sensor_attr = \ | |
519 | to_sensor_dev_attr(attr); \ | |
520 | struct w83791d_data *data = w83791d_update_device(dev); \ | |
521 | int nr = sensor_attr->index; \ | |
522 | return sprintf(buf,"%d\n", \ | |
523 | FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ | |
524 | } | |
525 | ||
526 | show_fan_reg(fan); | |
527 | show_fan_reg(fan_min); | |
528 | ||
529 | static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr, | |
530 | const char *buf, size_t count) | |
531 | { | |
532 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
533 | struct i2c_client *client = to_i2c_client(dev); | |
534 | struct w83791d_data *data = i2c_get_clientdata(client); | |
535 | unsigned long val = simple_strtoul(buf, NULL, 10); | |
536 | int nr = sensor_attr->index; | |
537 | ||
538 | mutex_lock(&data->update_lock); | |
539 | data->fan_min[nr] = fan_to_reg(val, DIV_FROM_REG(data->fan_div[nr])); | |
540 | w83791d_write(client, W83791D_REG_FAN_MIN[nr], data->fan_min[nr]); | |
541 | mutex_unlock(&data->update_lock); | |
542 | ||
543 | return count; | |
544 | } | |
545 | ||
546 | static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, | |
547 | char *buf) | |
548 | { | |
549 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
550 | int nr = sensor_attr->index; | |
551 | struct w83791d_data *data = w83791d_update_device(dev); | |
552 | return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr])); | |
553 | } | |
554 | ||
555 | /* Note: we save and restore the fan minimum here, because its value is | |
556 | determined in part by the fan divisor. This follows the principle of | |
557 | least suprise; the user doesn't expect the fan minimum to change just | |
558 | because the divisor changed. */ | |
559 | static ssize_t store_fan_div(struct device *dev, struct device_attribute *attr, | |
560 | const char *buf, size_t count) | |
561 | { | |
562 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
563 | struct i2c_client *client = to_i2c_client(dev); | |
564 | struct w83791d_data *data = i2c_get_clientdata(client); | |
565 | int nr = sensor_attr->index; | |
566 | unsigned long min; | |
567 | u8 tmp_fan_div; | |
568 | u8 fan_div_reg; | |
ad02ad85 | 569 | u8 vbat_reg; |
9873964d CS |
570 | int indx = 0; |
571 | u8 keep_mask = 0; | |
572 | u8 new_shift = 0; | |
573 | ||
574 | /* Save fan_min */ | |
575 | min = FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])); | |
576 | ||
577 | mutex_lock(&data->update_lock); | |
578 | data->fan_div[nr] = div_to_reg(nr, simple_strtoul(buf, NULL, 10)); | |
579 | ||
580 | switch (nr) { | |
581 | case 0: | |
582 | indx = 0; | |
583 | keep_mask = 0xcf; | |
584 | new_shift = 4; | |
585 | break; | |
586 | case 1: | |
587 | indx = 0; | |
588 | keep_mask = 0x3f; | |
589 | new_shift = 6; | |
590 | break; | |
591 | case 2: | |
592 | indx = 1; | |
593 | keep_mask = 0x3f; | |
594 | new_shift = 6; | |
595 | break; | |
596 | case 3: | |
597 | indx = 2; | |
598 | keep_mask = 0xf8; | |
599 | new_shift = 0; | |
600 | break; | |
601 | case 4: | |
602 | indx = 2; | |
603 | keep_mask = 0x8f; | |
604 | new_shift = 4; | |
605 | break; | |
606 | #ifdef DEBUG | |
607 | default: | |
608 | dev_warn(dev, "store_fan_div: Unexpected nr seen: %d\n", nr); | |
609 | count = -EINVAL; | |
610 | goto err_exit; | |
611 | #endif | |
612 | } | |
613 | ||
614 | fan_div_reg = w83791d_read(client, W83791D_REG_FAN_DIV[indx]) | |
615 | & keep_mask; | |
616 | tmp_fan_div = (data->fan_div[nr] << new_shift) & ~keep_mask; | |
617 | ||
618 | w83791d_write(client, W83791D_REG_FAN_DIV[indx], | |
619 | fan_div_reg | tmp_fan_div); | |
620 | ||
ad02ad85 MH |
621 | /* Bit 2 of fans 0-2 is stored in the vbat register (bits 5-7) */ |
622 | if (nr < 3) { | |
623 | keep_mask = ~(1 << (nr + 5)); | |
624 | vbat_reg = w83791d_read(client, W83791D_REG_VBAT) | |
625 | & keep_mask; | |
626 | tmp_fan_div = (data->fan_div[nr] << (3 + nr)) & ~keep_mask; | |
627 | w83791d_write(client, W83791D_REG_VBAT, | |
628 | vbat_reg | tmp_fan_div); | |
629 | } | |
630 | ||
9873964d CS |
631 | /* Restore fan_min */ |
632 | data->fan_min[nr] = fan_to_reg(min, DIV_FROM_REG(data->fan_div[nr])); | |
633 | w83791d_write(client, W83791D_REG_FAN_MIN[nr], data->fan_min[nr]); | |
634 | ||
635 | #ifdef DEBUG | |
636 | err_exit: | |
637 | #endif | |
638 | mutex_unlock(&data->update_lock); | |
639 | ||
640 | return count; | |
641 | } | |
642 | ||
643 | static struct sensor_device_attribute sda_fan_input[] = { | |
644 | SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0), | |
645 | SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1), | |
646 | SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2), | |
647 | SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3), | |
648 | SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4), | |
649 | }; | |
650 | ||
651 | static struct sensor_device_attribute sda_fan_min[] = { | |
652 | SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, | |
653 | show_fan_min, store_fan_min, 0), | |
654 | SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, | |
655 | show_fan_min, store_fan_min, 1), | |
656 | SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, | |
657 | show_fan_min, store_fan_min, 2), | |
658 | SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, | |
659 | show_fan_min, store_fan_min, 3), | |
660 | SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, | |
661 | show_fan_min, store_fan_min, 4), | |
662 | }; | |
663 | ||
664 | static struct sensor_device_attribute sda_fan_div[] = { | |
665 | SENSOR_ATTR(fan1_div, S_IWUSR | S_IRUGO, | |
666 | show_fan_div, store_fan_div, 0), | |
667 | SENSOR_ATTR(fan2_div, S_IWUSR | S_IRUGO, | |
668 | show_fan_div, store_fan_div, 1), | |
669 | SENSOR_ATTR(fan3_div, S_IWUSR | S_IRUGO, | |
670 | show_fan_div, store_fan_div, 2), | |
671 | SENSOR_ATTR(fan4_div, S_IWUSR | S_IRUGO, | |
672 | show_fan_div, store_fan_div, 3), | |
673 | SENSOR_ATTR(fan5_div, S_IWUSR | S_IRUGO, | |
674 | show_fan_div, store_fan_div, 4), | |
675 | }; | |
676 | ||
64383123 CS |
677 | static struct sensor_device_attribute sda_fan_beep[] = { |
678 | SENSOR_ATTR(fan1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 6), | |
679 | SENSOR_ATTR(fan2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 7), | |
680 | SENSOR_ATTR(fan3_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 11), | |
681 | SENSOR_ATTR(fan4_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 21), | |
682 | SENSOR_ATTR(fan5_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 22), | |
683 | }; | |
684 | ||
685 | static struct sensor_device_attribute sda_fan_alarm[] = { | |
686 | SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6), | |
687 | SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7), | |
688 | SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11), | |
689 | SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 21), | |
690 | SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 22), | |
691 | }; | |
692 | ||
6495ce18 MH |
693 | /* read/write PWMs */ |
694 | static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, | |
695 | char *buf) | |
696 | { | |
697 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
698 | int nr = sensor_attr->index; | |
699 | struct w83791d_data *data = w83791d_update_device(dev); | |
700 | return sprintf(buf, "%u\n", data->pwm[nr]); | |
701 | } | |
702 | ||
703 | static ssize_t store_pwm(struct device *dev, struct device_attribute *attr, | |
704 | const char *buf, size_t count) | |
705 | { | |
706 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
707 | struct i2c_client *client = to_i2c_client(dev); | |
708 | struct w83791d_data *data = i2c_get_clientdata(client); | |
709 | int nr = sensor_attr->index; | |
710 | unsigned long val; | |
711 | ||
712 | if (strict_strtoul(buf, 10, &val)) | |
713 | return -EINVAL; | |
714 | ||
715 | mutex_lock(&data->update_lock); | |
716 | data->pwm[nr] = SENSORS_LIMIT(val, 0, 255); | |
717 | w83791d_write(client, W83791D_REG_PWM[nr], data->pwm[nr]); | |
718 | mutex_unlock(&data->update_lock); | |
719 | return count; | |
720 | } | |
721 | ||
722 | static struct sensor_device_attribute sda_pwm[] = { | |
723 | SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, | |
724 | show_pwm, store_pwm, 0), | |
725 | SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, | |
726 | show_pwm, store_pwm, 1), | |
727 | SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, | |
728 | show_pwm, store_pwm, 2), | |
729 | SENSOR_ATTR(pwm4, S_IWUSR | S_IRUGO, | |
730 | show_pwm, store_pwm, 3), | |
731 | SENSOR_ATTR(pwm5, S_IWUSR | S_IRUGO, | |
732 | show_pwm, store_pwm, 4), | |
733 | }; | |
734 | ||
b5938f8c MH |
735 | static ssize_t show_pwmenable(struct device *dev, struct device_attribute *attr, |
736 | char *buf) | |
737 | { | |
738 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
739 | int nr = sensor_attr->index; | |
740 | struct w83791d_data *data = w83791d_update_device(dev); | |
741 | return sprintf(buf, "%u\n", data->pwm_enable[nr] + 1); | |
742 | } | |
743 | ||
744 | static ssize_t store_pwmenable(struct device *dev, | |
745 | struct device_attribute *attr, const char *buf, size_t count) | |
746 | { | |
747 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
748 | struct i2c_client *client = to_i2c_client(dev); | |
749 | struct w83791d_data *data = i2c_get_clientdata(client); | |
750 | int nr = sensor_attr->index; | |
751 | unsigned long val; | |
752 | u8 reg_cfg_tmp; | |
753 | u8 reg_idx = 0; | |
754 | u8 val_shift = 0; | |
755 | u8 keep_mask = 0; | |
756 | ||
757 | int ret = strict_strtoul(buf, 10, &val); | |
758 | ||
759 | if (ret || val < 1 || val > 3) | |
760 | return -EINVAL; | |
761 | ||
762 | mutex_lock(&data->update_lock); | |
763 | data->pwm_enable[nr] = val - 1; | |
764 | switch (nr) { | |
765 | case 0: | |
766 | reg_idx = 0; | |
767 | val_shift = 2; | |
768 | keep_mask = 0xf3; | |
769 | break; | |
770 | case 1: | |
771 | reg_idx = 0; | |
772 | val_shift = 4; | |
773 | keep_mask = 0xcf; | |
774 | break; | |
775 | case 2: | |
776 | reg_idx = 1; | |
777 | val_shift = 2; | |
778 | keep_mask = 0xf3; | |
779 | break; | |
780 | } | |
781 | ||
782 | reg_cfg_tmp = w83791d_read(client, W83791D_REG_FAN_CFG[reg_idx]); | |
783 | reg_cfg_tmp = (reg_cfg_tmp & keep_mask) | | |
784 | data->pwm_enable[nr] << val_shift; | |
785 | ||
786 | w83791d_write(client, W83791D_REG_FAN_CFG[reg_idx], reg_cfg_tmp); | |
787 | mutex_unlock(&data->update_lock); | |
788 | ||
789 | return count; | |
790 | } | |
791 | static struct sensor_device_attribute sda_pwmenable[] = { | |
792 | SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, | |
793 | show_pwmenable, store_pwmenable, 0), | |
794 | SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, | |
795 | show_pwmenable, store_pwmenable, 1), | |
796 | SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, | |
797 | show_pwmenable, store_pwmenable, 2), | |
798 | }; | |
799 | ||
a5a4598c MH |
800 | /* For Smart Fan I / Thermal Cruise */ |
801 | static ssize_t show_temp_target(struct device *dev, | |
802 | struct device_attribute *attr, char *buf) | |
803 | { | |
804 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
805 | struct w83791d_data *data = w83791d_update_device(dev); | |
806 | int nr = sensor_attr->index; | |
807 | return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp_target[nr])); | |
808 | } | |
809 | ||
810 | static ssize_t store_temp_target(struct device *dev, | |
811 | struct device_attribute *attr, const char *buf, size_t count) | |
812 | { | |
813 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
814 | struct i2c_client *client = to_i2c_client(dev); | |
815 | struct w83791d_data *data = i2c_get_clientdata(client); | |
816 | int nr = sensor_attr->index; | |
817 | unsigned long val; | |
818 | u8 target_mask; | |
819 | ||
820 | if (strict_strtoul(buf, 10, &val)) | |
821 | return -EINVAL; | |
822 | ||
823 | mutex_lock(&data->update_lock); | |
824 | data->temp_target[nr] = TARGET_TEMP_TO_REG(val); | |
825 | target_mask = w83791d_read(client, | |
826 | W83791D_REG_TEMP_TARGET[nr]) & 0x80; | |
827 | w83791d_write(client, W83791D_REG_TEMP_TARGET[nr], | |
828 | data->temp_target[nr] | target_mask); | |
829 | mutex_unlock(&data->update_lock); | |
830 | return count; | |
831 | } | |
832 | ||
833 | static struct sensor_device_attribute sda_temp_target[] = { | |
834 | SENSOR_ATTR(temp1_target, S_IWUSR | S_IRUGO, | |
835 | show_temp_target, store_temp_target, 0), | |
836 | SENSOR_ATTR(temp2_target, S_IWUSR | S_IRUGO, | |
837 | show_temp_target, store_temp_target, 1), | |
838 | SENSOR_ATTR(temp3_target, S_IWUSR | S_IRUGO, | |
839 | show_temp_target, store_temp_target, 2), | |
840 | }; | |
841 | ||
842 | static ssize_t show_temp_tolerance(struct device *dev, | |
843 | struct device_attribute *attr, char *buf) | |
844 | { | |
845 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
846 | struct w83791d_data *data = w83791d_update_device(dev); | |
847 | int nr = sensor_attr->index; | |
848 | return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp_tolerance[nr])); | |
849 | } | |
850 | ||
851 | static ssize_t store_temp_tolerance(struct device *dev, | |
852 | struct device_attribute *attr, const char *buf, size_t count) | |
853 | { | |
854 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
855 | struct i2c_client *client = to_i2c_client(dev); | |
856 | struct w83791d_data *data = i2c_get_clientdata(client); | |
857 | int nr = sensor_attr->index; | |
858 | unsigned long val; | |
859 | u8 target_mask; | |
860 | u8 reg_idx = 0; | |
861 | u8 val_shift = 0; | |
862 | u8 keep_mask = 0; | |
863 | ||
864 | if (strict_strtoul(buf, 10, &val)) | |
865 | return -EINVAL; | |
866 | ||
867 | switch (nr) { | |
868 | case 0: | |
869 | reg_idx = 0; | |
870 | val_shift = 0; | |
871 | keep_mask = 0xf0; | |
872 | break; | |
873 | case 1: | |
874 | reg_idx = 0; | |
875 | val_shift = 4; | |
876 | keep_mask = 0x0f; | |
877 | break; | |
878 | case 2: | |
879 | reg_idx = 1; | |
880 | val_shift = 0; | |
881 | keep_mask = 0xf0; | |
882 | break; | |
883 | } | |
884 | ||
885 | mutex_lock(&data->update_lock); | |
886 | data->temp_tolerance[nr] = TOL_TEMP_TO_REG(val); | |
887 | target_mask = w83791d_read(client, | |
888 | W83791D_REG_TEMP_TOL[reg_idx]) & keep_mask; | |
889 | w83791d_write(client, W83791D_REG_TEMP_TOL[reg_idx], | |
890 | (data->temp_tolerance[nr] << val_shift) | target_mask); | |
891 | mutex_unlock(&data->update_lock); | |
892 | return count; | |
893 | } | |
894 | ||
895 | static struct sensor_device_attribute sda_temp_tolerance[] = { | |
896 | SENSOR_ATTR(temp1_tolerance, S_IWUSR | S_IRUGO, | |
897 | show_temp_tolerance, store_temp_tolerance, 0), | |
898 | SENSOR_ATTR(temp2_tolerance, S_IWUSR | S_IRUGO, | |
899 | show_temp_tolerance, store_temp_tolerance, 1), | |
900 | SENSOR_ATTR(temp3_tolerance, S_IWUSR | S_IRUGO, | |
901 | show_temp_tolerance, store_temp_tolerance, 2), | |
902 | }; | |
903 | ||
9873964d CS |
904 | /* read/write the temperature1, includes measured value and limits */ |
905 | static ssize_t show_temp1(struct device *dev, struct device_attribute *devattr, | |
906 | char *buf) | |
907 | { | |
908 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
909 | struct w83791d_data *data = w83791d_update_device(dev); | |
910 | return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[attr->index])); | |
911 | } | |
912 | ||
913 | static ssize_t store_temp1(struct device *dev, struct device_attribute *devattr, | |
914 | const char *buf, size_t count) | |
915 | { | |
916 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); | |
917 | struct i2c_client *client = to_i2c_client(dev); | |
918 | struct w83791d_data *data = i2c_get_clientdata(client); | |
919 | long val = simple_strtol(buf, NULL, 10); | |
920 | int nr = attr->index; | |
921 | ||
922 | mutex_lock(&data->update_lock); | |
923 | data->temp1[nr] = TEMP1_TO_REG(val); | |
924 | w83791d_write(client, W83791D_REG_TEMP1[nr], data->temp1[nr]); | |
925 | mutex_unlock(&data->update_lock); | |
926 | return count; | |
927 | } | |
928 | ||
929 | /* read/write temperature2-3, includes measured value and limits */ | |
930 | static ssize_t show_temp23(struct device *dev, struct device_attribute *devattr, | |
931 | char *buf) | |
932 | { | |
933 | struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); | |
934 | struct w83791d_data *data = w83791d_update_device(dev); | |
935 | int nr = attr->nr; | |
936 | int index = attr->index; | |
937 | return sprintf(buf, "%d\n", TEMP23_FROM_REG(data->temp_add[nr][index])); | |
938 | } | |
939 | ||
940 | static ssize_t store_temp23(struct device *dev, | |
941 | struct device_attribute *devattr, | |
942 | const char *buf, size_t count) | |
943 | { | |
944 | struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); | |
945 | struct i2c_client *client = to_i2c_client(dev); | |
946 | struct w83791d_data *data = i2c_get_clientdata(client); | |
947 | long val = simple_strtol(buf, NULL, 10); | |
948 | int nr = attr->nr; | |
949 | int index = attr->index; | |
950 | ||
951 | mutex_lock(&data->update_lock); | |
952 | data->temp_add[nr][index] = TEMP23_TO_REG(val); | |
953 | w83791d_write(client, W83791D_REG_TEMP_ADD[nr][index * 2], | |
954 | data->temp_add[nr][index] >> 8); | |
955 | w83791d_write(client, W83791D_REG_TEMP_ADD[nr][index * 2 + 1], | |
956 | data->temp_add[nr][index] & 0x80); | |
957 | mutex_unlock(&data->update_lock); | |
958 | ||
959 | return count; | |
960 | } | |
961 | ||
962 | static struct sensor_device_attribute_2 sda_temp_input[] = { | |
963 | SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0), | |
964 | SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0), | |
965 | SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0), | |
966 | }; | |
967 | ||
968 | static struct sensor_device_attribute_2 sda_temp_max[] = { | |
969 | SENSOR_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, | |
970 | show_temp1, store_temp1, 0, 1), | |
971 | SENSOR_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, | |
972 | show_temp23, store_temp23, 0, 1), | |
973 | SENSOR_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, | |
974 | show_temp23, store_temp23, 1, 1), | |
975 | }; | |
976 | ||
977 | static struct sensor_device_attribute_2 sda_temp_max_hyst[] = { | |
978 | SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, | |
979 | show_temp1, store_temp1, 0, 2), | |
980 | SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, | |
981 | show_temp23, store_temp23, 0, 2), | |
982 | SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, | |
983 | show_temp23, store_temp23, 1, 2), | |
984 | }; | |
985 | ||
64383123 CS |
986 | /* Note: The bitmask for the beep enable/disable is different than |
987 | the bitmask for the alarm. */ | |
988 | static struct sensor_device_attribute sda_temp_beep[] = { | |
989 | SENSOR_ATTR(temp1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 4), | |
990 | SENSOR_ATTR(temp2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 5), | |
991 | SENSOR_ATTR(temp3_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 1), | |
992 | }; | |
993 | ||
994 | static struct sensor_device_attribute sda_temp_alarm[] = { | |
995 | SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4), | |
996 | SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5), | |
997 | SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13), | |
998 | }; | |
9873964d CS |
999 | |
1000 | /* get reatime status of all sensors items: voltage, temp, fan */ | |
1001 | static ssize_t show_alarms_reg(struct device *dev, | |
1002 | struct device_attribute *attr, char *buf) | |
1003 | { | |
1004 | struct w83791d_data *data = w83791d_update_device(dev); | |
1005 | return sprintf(buf, "%u\n", data->alarms); | |
1006 | } | |
1007 | ||
1008 | static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); | |
1009 | ||
1010 | /* Beep control */ | |
1011 | ||
1012 | #define GLOBAL_BEEP_ENABLE_SHIFT 15 | |
1013 | #define GLOBAL_BEEP_ENABLE_MASK (1 << GLOBAL_BEEP_ENABLE_SHIFT) | |
1014 | ||
1015 | static ssize_t show_beep_enable(struct device *dev, | |
1016 | struct device_attribute *attr, char *buf) | |
1017 | { | |
1018 | struct w83791d_data *data = w83791d_update_device(dev); | |
1019 | return sprintf(buf, "%d\n", data->beep_enable); | |
1020 | } | |
1021 | ||
1022 | static ssize_t show_beep_mask(struct device *dev, | |
1023 | struct device_attribute *attr, char *buf) | |
1024 | { | |
1025 | struct w83791d_data *data = w83791d_update_device(dev); | |
1026 | return sprintf(buf, "%d\n", BEEP_MASK_FROM_REG(data->beep_mask)); | |
1027 | } | |
1028 | ||
1029 | ||
1030 | static ssize_t store_beep_mask(struct device *dev, | |
1031 | struct device_attribute *attr, | |
1032 | const char *buf, size_t count) | |
1033 | { | |
1034 | struct i2c_client *client = to_i2c_client(dev); | |
1035 | struct w83791d_data *data = i2c_get_clientdata(client); | |
1036 | long val = simple_strtol(buf, NULL, 10); | |
1037 | int i; | |
1038 | ||
1039 | mutex_lock(&data->update_lock); | |
1040 | ||
1041 | /* The beep_enable state overrides any enabling request from | |
1042 | the masks */ | |
1043 | data->beep_mask = BEEP_MASK_TO_REG(val) & ~GLOBAL_BEEP_ENABLE_MASK; | |
1044 | data->beep_mask |= (data->beep_enable << GLOBAL_BEEP_ENABLE_SHIFT); | |
1045 | ||
1046 | val = data->beep_mask; | |
1047 | ||
1048 | for (i = 0; i < 3; i++) { | |
1049 | w83791d_write(client, W83791D_REG_BEEP_CTRL[i], (val & 0xff)); | |
1050 | val >>= 8; | |
1051 | } | |
1052 | ||
1053 | mutex_unlock(&data->update_lock); | |
1054 | ||
1055 | return count; | |
1056 | } | |
1057 | ||
1058 | static ssize_t store_beep_enable(struct device *dev, | |
1059 | struct device_attribute *attr, | |
1060 | const char *buf, size_t count) | |
1061 | { | |
1062 | struct i2c_client *client = to_i2c_client(dev); | |
1063 | struct w83791d_data *data = i2c_get_clientdata(client); | |
1064 | long val = simple_strtol(buf, NULL, 10); | |
1065 | ||
1066 | mutex_lock(&data->update_lock); | |
1067 | ||
1068 | data->beep_enable = val ? 1 : 0; | |
1069 | ||
1070 | /* Keep the full mask value in sync with the current enable */ | |
1071 | data->beep_mask &= ~GLOBAL_BEEP_ENABLE_MASK; | |
1072 | data->beep_mask |= (data->beep_enable << GLOBAL_BEEP_ENABLE_SHIFT); | |
1073 | ||
1074 | /* The global control is in the second beep control register | |
1075 | so only need to update that register */ | |
1076 | val = (data->beep_mask >> 8) & 0xff; | |
1077 | ||
1078 | w83791d_write(client, W83791D_REG_BEEP_CTRL[1], val); | |
1079 | ||
1080 | mutex_unlock(&data->update_lock); | |
1081 | ||
1082 | return count; | |
1083 | } | |
1084 | ||
1085 | static struct sensor_device_attribute sda_beep_ctrl[] = { | |
1086 | SENSOR_ATTR(beep_enable, S_IRUGO | S_IWUSR, | |
1087 | show_beep_enable, store_beep_enable, 0), | |
1088 | SENSOR_ATTR(beep_mask, S_IRUGO | S_IWUSR, | |
1089 | show_beep_mask, store_beep_mask, 1) | |
1090 | }; | |
1091 | ||
1092 | /* cpu voltage regulation information */ | |
1093 | static ssize_t show_vid_reg(struct device *dev, | |
1094 | struct device_attribute *attr, char *buf) | |
1095 | { | |
1096 | struct w83791d_data *data = w83791d_update_device(dev); | |
1097 | return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); | |
1098 | } | |
1099 | ||
1100 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); | |
1101 | ||
1102 | static ssize_t show_vrm_reg(struct device *dev, | |
1103 | struct device_attribute *attr, char *buf) | |
1104 | { | |
90d6619a | 1105 | struct w83791d_data *data = dev_get_drvdata(dev); |
9873964d CS |
1106 | return sprintf(buf, "%d\n", data->vrm); |
1107 | } | |
1108 | ||
1109 | static ssize_t store_vrm_reg(struct device *dev, | |
1110 | struct device_attribute *attr, | |
1111 | const char *buf, size_t count) | |
1112 | { | |
8f74efe8 | 1113 | struct w83791d_data *data = dev_get_drvdata(dev); |
9873964d CS |
1114 | |
1115 | /* No lock needed as vrm is internal to the driver | |
1116 | (not read from a chip register) and so is not | |
1117 | updated in w83791d_update_device() */ | |
8f74efe8 | 1118 | data->vrm = simple_strtoul(buf, NULL, 10); |
9873964d CS |
1119 | |
1120 | return count; | |
1121 | } | |
1122 | ||
1123 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); | |
1124 | ||
34fc921a JC |
1125 | #define IN_UNIT_ATTRS(X) \ |
1126 | &sda_in_input[X].dev_attr.attr, \ | |
1127 | &sda_in_min[X].dev_attr.attr, \ | |
64383123 CS |
1128 | &sda_in_max[X].dev_attr.attr, \ |
1129 | &sda_in_beep[X].dev_attr.attr, \ | |
1130 | &sda_in_alarm[X].dev_attr.attr | |
34fc921a JC |
1131 | |
1132 | #define FAN_UNIT_ATTRS(X) \ | |
1133 | &sda_fan_input[X].dev_attr.attr, \ | |
1134 | &sda_fan_min[X].dev_attr.attr, \ | |
64383123 CS |
1135 | &sda_fan_div[X].dev_attr.attr, \ |
1136 | &sda_fan_beep[X].dev_attr.attr, \ | |
1137 | &sda_fan_alarm[X].dev_attr.attr | |
34fc921a JC |
1138 | |
1139 | #define TEMP_UNIT_ATTRS(X) \ | |
1140 | &sda_temp_input[X].dev_attr.attr, \ | |
1141 | &sda_temp_max[X].dev_attr.attr, \ | |
64383123 CS |
1142 | &sda_temp_max_hyst[X].dev_attr.attr, \ |
1143 | &sda_temp_beep[X].dev_attr.attr, \ | |
1144 | &sda_temp_alarm[X].dev_attr.attr | |
34fc921a JC |
1145 | |
1146 | static struct attribute *w83791d_attributes[] = { | |
1147 | IN_UNIT_ATTRS(0), | |
1148 | IN_UNIT_ATTRS(1), | |
1149 | IN_UNIT_ATTRS(2), | |
1150 | IN_UNIT_ATTRS(3), | |
1151 | IN_UNIT_ATTRS(4), | |
1152 | IN_UNIT_ATTRS(5), | |
1153 | IN_UNIT_ATTRS(6), | |
1154 | IN_UNIT_ATTRS(7), | |
1155 | IN_UNIT_ATTRS(8), | |
1156 | IN_UNIT_ATTRS(9), | |
1157 | FAN_UNIT_ATTRS(0), | |
1158 | FAN_UNIT_ATTRS(1), | |
1159 | FAN_UNIT_ATTRS(2), | |
34fc921a JC |
1160 | TEMP_UNIT_ATTRS(0), |
1161 | TEMP_UNIT_ATTRS(1), | |
1162 | TEMP_UNIT_ATTRS(2), | |
1163 | &dev_attr_alarms.attr, | |
1164 | &sda_beep_ctrl[0].dev_attr.attr, | |
1165 | &sda_beep_ctrl[1].dev_attr.attr, | |
1166 | &dev_attr_cpu0_vid.attr, | |
1167 | &dev_attr_vrm.attr, | |
6495ce18 MH |
1168 | &sda_pwm[0].dev_attr.attr, |
1169 | &sda_pwm[1].dev_attr.attr, | |
1170 | &sda_pwm[2].dev_attr.attr, | |
b5938f8c MH |
1171 | &sda_pwmenable[0].dev_attr.attr, |
1172 | &sda_pwmenable[1].dev_attr.attr, | |
1173 | &sda_pwmenable[2].dev_attr.attr, | |
a5a4598c MH |
1174 | &sda_temp_target[0].dev_attr.attr, |
1175 | &sda_temp_target[1].dev_attr.attr, | |
1176 | &sda_temp_target[2].dev_attr.attr, | |
1177 | &sda_temp_tolerance[0].dev_attr.attr, | |
1178 | &sda_temp_tolerance[1].dev_attr.attr, | |
1179 | &sda_temp_tolerance[2].dev_attr.attr, | |
34fc921a JC |
1180 | NULL |
1181 | }; | |
1182 | ||
1183 | static const struct attribute_group w83791d_group = { | |
1184 | .attrs = w83791d_attributes, | |
1185 | }; | |
1186 | ||
6e1ecd9b MH |
1187 | /* Separate group of attributes for fan/pwm 4-5. Their pins can also be |
1188 | in use for GPIO in which case their sysfs-interface should not be made | |
1189 | available */ | |
1190 | static struct attribute *w83791d_attributes_fanpwm45[] = { | |
1191 | FAN_UNIT_ATTRS(3), | |
1192 | FAN_UNIT_ATTRS(4), | |
6495ce18 MH |
1193 | &sda_pwm[3].dev_attr.attr, |
1194 | &sda_pwm[4].dev_attr.attr, | |
6e1ecd9b MH |
1195 | NULL |
1196 | }; | |
1197 | ||
1198 | static const struct attribute_group w83791d_group_fanpwm45 = { | |
1199 | .attrs = w83791d_attributes_fanpwm45, | |
1200 | }; | |
9873964d | 1201 | |
cb0c1af3 | 1202 | static int w83791d_detect_subclients(struct i2c_client *client) |
9873964d | 1203 | { |
cb0c1af3 | 1204 | struct i2c_adapter *adapter = client->adapter; |
9873964d | 1205 | struct w83791d_data *data = i2c_get_clientdata(client); |
cb0c1af3 | 1206 | int address = client->addr; |
9873964d CS |
1207 | int i, id, err; |
1208 | u8 val; | |
1209 | ||
1210 | id = i2c_adapter_id(adapter); | |
1211 | if (force_subclients[0] == id && force_subclients[1] == address) { | |
1212 | for (i = 2; i <= 3; i++) { | |
1213 | if (force_subclients[i] < 0x48 || | |
1214 | force_subclients[i] > 0x4f) { | |
1215 | dev_err(&client->dev, | |
1216 | "invalid subclient " | |
1217 | "address %d; must be 0x48-0x4f\n", | |
1218 | force_subclients[i]); | |
1219 | err = -ENODEV; | |
1220 | goto error_sc_0; | |
1221 | } | |
1222 | } | |
1223 | w83791d_write(client, W83791D_REG_I2C_SUBADDR, | |
1224 | (force_subclients[2] & 0x07) | | |
1225 | ((force_subclients[3] & 0x07) << 4)); | |
1226 | } | |
1227 | ||
1228 | val = w83791d_read(client, W83791D_REG_I2C_SUBADDR); | |
1229 | if (!(val & 0x08)) { | |
cb0c1af3 | 1230 | data->lm75[0] = i2c_new_dummy(adapter, 0x48 + (val & 0x7)); |
9873964d CS |
1231 | } |
1232 | if (!(val & 0x80)) { | |
1233 | if ((data->lm75[0] != NULL) && | |
1234 | ((val & 0x7) == ((val >> 4) & 0x7))) { | |
1235 | dev_err(&client->dev, | |
1236 | "duplicate addresses 0x%x, " | |
1237 | "use force_subclient\n", | |
1238 | data->lm75[0]->addr); | |
1239 | err = -ENODEV; | |
1240 | goto error_sc_1; | |
1241 | } | |
cb0c1af3 JD |
1242 | data->lm75[1] = i2c_new_dummy(adapter, |
1243 | 0x48 + ((val >> 4) & 0x7)); | |
9873964d CS |
1244 | } |
1245 | ||
1246 | return 0; | |
1247 | ||
1248 | /* Undo inits in case of errors */ | |
1249 | ||
1250 | error_sc_1: | |
cb0c1af3 JD |
1251 | if (data->lm75[0] != NULL) |
1252 | i2c_unregister_device(data->lm75[0]); | |
9873964d CS |
1253 | error_sc_0: |
1254 | return err; | |
1255 | } | |
1256 | ||
1257 | ||
cb0c1af3 JD |
1258 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
1259 | static int w83791d_detect(struct i2c_client *client, int kind, | |
1260 | struct i2c_board_info *info) | |
9873964d | 1261 | { |
cb0c1af3 JD |
1262 | struct i2c_adapter *adapter = client->adapter; |
1263 | int val1, val2; | |
1264 | unsigned short address = client->addr; | |
9873964d CS |
1265 | |
1266 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { | |
cb0c1af3 | 1267 | return -ENODEV; |
9873964d CS |
1268 | } |
1269 | ||
9873964d CS |
1270 | /* The w83791d may be stuck in some other bank than bank 0. This may |
1271 | make reading other information impossible. Specify a force=... | |
1272 | parameter, and the Winbond will be reset to the right bank. */ | |
1273 | if (kind < 0) { | |
1274 | if (w83791d_read(client, W83791D_REG_CONFIG) & 0x80) { | |
cb0c1af3 | 1275 | return -ENODEV; |
9873964d CS |
1276 | } |
1277 | val1 = w83791d_read(client, W83791D_REG_BANK); | |
1278 | val2 = w83791d_read(client, W83791D_REG_CHIPMAN); | |
1279 | /* Check for Winbond ID if in bank 0 */ | |
1280 | if (!(val1 & 0x07)) { | |
1281 | /* yes it is Bank0 */ | |
1282 | if (((!(val1 & 0x80)) && (val2 != 0xa3)) || | |
1283 | ((val1 & 0x80) && (val2 != 0x5c))) { | |
cb0c1af3 | 1284 | return -ENODEV; |
9873964d CS |
1285 | } |
1286 | } | |
1287 | /* If Winbond chip, address of chip and W83791D_REG_I2C_ADDR | |
1288 | should match */ | |
1289 | if (w83791d_read(client, W83791D_REG_I2C_ADDR) != address) { | |
cb0c1af3 | 1290 | return -ENODEV; |
9873964d CS |
1291 | } |
1292 | } | |
1293 | ||
1294 | /* We either have a force parameter or we have reason to | |
1295 | believe it is a Winbond chip. Either way, we want bank 0 and | |
1296 | Vendor ID high byte */ | |
1297 | val1 = w83791d_read(client, W83791D_REG_BANK) & 0x78; | |
1298 | w83791d_write(client, W83791D_REG_BANK, val1 | 0x80); | |
1299 | ||
1300 | /* Verify it is a Winbond w83791d */ | |
1301 | if (kind <= 0) { | |
1302 | /* get vendor ID */ | |
1303 | val2 = w83791d_read(client, W83791D_REG_CHIPMAN); | |
1304 | if (val2 != 0x5c) { /* the vendor is NOT Winbond */ | |
cb0c1af3 | 1305 | return -ENODEV; |
9873964d CS |
1306 | } |
1307 | val1 = w83791d_read(client, W83791D_REG_WCHIPID); | |
1308 | if (val1 == 0x71) { | |
1309 | kind = w83791d; | |
1310 | } else { | |
1311 | if (kind == 0) | |
cb0c1af3 | 1312 | dev_warn(&adapter->dev, |
9873964d CS |
1313 | "w83791d: Ignoring 'force' parameter " |
1314 | "for unknown chip at adapter %d, " | |
1315 | "address 0x%02x\n", | |
1316 | i2c_adapter_id(adapter), address); | |
cb0c1af3 | 1317 | return -ENODEV; |
9873964d CS |
1318 | } |
1319 | } | |
1320 | ||
cb0c1af3 JD |
1321 | strlcpy(info->type, "w83791d", I2C_NAME_SIZE); |
1322 | ||
1323 | return 0; | |
1324 | } | |
1325 | ||
1326 | static int w83791d_probe(struct i2c_client *client, | |
1327 | const struct i2c_device_id *id) | |
1328 | { | |
1329 | struct w83791d_data *data; | |
1330 | struct device *dev = &client->dev; | |
16a515fd | 1331 | int i, err; |
6e1ecd9b | 1332 | u8 has_fanpwm45; |
9873964d CS |
1333 | |
1334 | #ifdef DEBUG | |
16a515fd | 1335 | int val1; |
9873964d CS |
1336 | val1 = w83791d_read(client, W83791D_REG_DID_VID4); |
1337 | dev_dbg(dev, "Device ID version: %d.%d (0x%02x)\n", | |
1338 | (val1 >> 5) & 0x07, (val1 >> 1) & 0x0f, val1); | |
1339 | #endif | |
1340 | ||
cb0c1af3 JD |
1341 | data = kzalloc(sizeof(struct w83791d_data), GFP_KERNEL); |
1342 | if (!data) { | |
1343 | err = -ENOMEM; | |
1344 | goto error0; | |
1345 | } | |
9873964d | 1346 | |
cb0c1af3 JD |
1347 | i2c_set_clientdata(client, data); |
1348 | mutex_init(&data->update_lock); | |
9873964d | 1349 | |
cb0c1af3 JD |
1350 | err = w83791d_detect_subclients(client); |
1351 | if (err) | |
1352 | goto error1; | |
9873964d CS |
1353 | |
1354 | /* Initialize the chip */ | |
1355 | w83791d_init_client(client); | |
1356 | ||
1357 | /* If the fan_div is changed, make sure there is a rational | |
1358 | fan_min in place */ | |
1359 | for (i = 0; i < NUMBER_OF_FANIN; i++) { | |
1360 | data->fan_min[i] = w83791d_read(client, W83791D_REG_FAN_MIN[i]); | |
1361 | } | |
1362 | ||
1363 | /* Register sysfs hooks */ | |
34fc921a JC |
1364 | if ((err = sysfs_create_group(&client->dev.kobj, &w83791d_group))) |
1365 | goto error3; | |
1366 | ||
6e1ecd9b MH |
1367 | /* Check if pins of fan/pwm 4-5 are in use as GPIO */ |
1368 | has_fanpwm45 = w83791d_read(client, W83791D_REG_GPIO) & 0x10; | |
1369 | if (has_fanpwm45) { | |
1370 | err = sysfs_create_group(&client->dev.kobj, | |
1371 | &w83791d_group_fanpwm45); | |
1372 | if (err) | |
1373 | goto error4; | |
1374 | } | |
1375 | ||
34fc921a | 1376 | /* Everything is ready, now register the working device */ |
1beeffe4 TJ |
1377 | data->hwmon_dev = hwmon_device_register(dev); |
1378 | if (IS_ERR(data->hwmon_dev)) { | |
1379 | err = PTR_ERR(data->hwmon_dev); | |
6e1ecd9b | 1380 | goto error5; |
9873964d CS |
1381 | } |
1382 | ||
9873964d CS |
1383 | return 0; |
1384 | ||
6e1ecd9b MH |
1385 | error5: |
1386 | if (has_fanpwm45) | |
1387 | sysfs_remove_group(&client->dev.kobj, &w83791d_group_fanpwm45); | |
34fc921a JC |
1388 | error4: |
1389 | sysfs_remove_group(&client->dev.kobj, &w83791d_group); | |
9873964d | 1390 | error3: |
cb0c1af3 JD |
1391 | if (data->lm75[0] != NULL) |
1392 | i2c_unregister_device(data->lm75[0]); | |
1393 | if (data->lm75[1] != NULL) | |
1394 | i2c_unregister_device(data->lm75[1]); | |
9873964d CS |
1395 | error1: |
1396 | kfree(data); | |
1397 | error0: | |
1398 | return err; | |
1399 | } | |
1400 | ||
cb0c1af3 | 1401 | static int w83791d_remove(struct i2c_client *client) |
9873964d CS |
1402 | { |
1403 | struct w83791d_data *data = i2c_get_clientdata(client); | |
9873964d | 1404 | |
cb0c1af3 JD |
1405 | hwmon_device_unregister(data->hwmon_dev); |
1406 | sysfs_remove_group(&client->dev.kobj, &w83791d_group); | |
9873964d | 1407 | |
cb0c1af3 JD |
1408 | if (data->lm75[0] != NULL) |
1409 | i2c_unregister_device(data->lm75[0]); | |
1410 | if (data->lm75[1] != NULL) | |
1411 | i2c_unregister_device(data->lm75[1]); | |
9873964d | 1412 | |
cb0c1af3 | 1413 | kfree(data); |
9873964d CS |
1414 | return 0; |
1415 | } | |
1416 | ||
1417 | static void w83791d_init_client(struct i2c_client *client) | |
1418 | { | |
1419 | struct w83791d_data *data = i2c_get_clientdata(client); | |
1420 | u8 tmp; | |
1421 | u8 old_beep; | |
1422 | ||
1423 | /* The difference between reset and init is that reset | |
1424 | does a hard reset of the chip via index 0x40, bit 7, | |
1425 | but init simply forces certain registers to have "sane" | |
1426 | values. The hope is that the BIOS has done the right | |
1427 | thing (which is why the default is reset=0, init=0), | |
1428 | but if not, reset is the hard hammer and init | |
1429 | is the soft mallet both of which are trying to whack | |
1430 | things into place... | |
1431 | NOTE: The data sheet makes a distinction between | |
1432 | "power on defaults" and "reset by MR". As far as I can tell, | |
1433 | the hard reset puts everything into a power-on state so I'm | |
1434 | not sure what "reset by MR" means or how it can happen. | |
1435 | */ | |
1436 | if (reset || init) { | |
1437 | /* keep some BIOS settings when we... */ | |
1438 | old_beep = w83791d_read(client, W83791D_REG_BEEP_CONFIG); | |
1439 | ||
1440 | if (reset) { | |
1441 | /* ... reset the chip and ... */ | |
1442 | w83791d_write(client, W83791D_REG_CONFIG, 0x80); | |
1443 | } | |
1444 | ||
1445 | /* ... disable power-on abnormal beep */ | |
1446 | w83791d_write(client, W83791D_REG_BEEP_CONFIG, old_beep | 0x80); | |
1447 | ||
1448 | /* disable the global beep (not done by hard reset) */ | |
1449 | tmp = w83791d_read(client, W83791D_REG_BEEP_CTRL[1]); | |
1450 | w83791d_write(client, W83791D_REG_BEEP_CTRL[1], tmp & 0xef); | |
1451 | ||
1452 | if (init) { | |
1453 | /* Make sure monitoring is turned on for add-ons */ | |
1454 | tmp = w83791d_read(client, W83791D_REG_TEMP2_CONFIG); | |
1455 | if (tmp & 1) { | |
1456 | w83791d_write(client, W83791D_REG_TEMP2_CONFIG, | |
1457 | tmp & 0xfe); | |
1458 | } | |
1459 | ||
1460 | tmp = w83791d_read(client, W83791D_REG_TEMP3_CONFIG); | |
1461 | if (tmp & 1) { | |
1462 | w83791d_write(client, W83791D_REG_TEMP3_CONFIG, | |
1463 | tmp & 0xfe); | |
1464 | } | |
1465 | ||
1466 | /* Start monitoring */ | |
1467 | tmp = w83791d_read(client, W83791D_REG_CONFIG) & 0xf7; | |
1468 | w83791d_write(client, W83791D_REG_CONFIG, tmp | 0x01); | |
1469 | } | |
1470 | } | |
1471 | ||
1472 | data->vrm = vid_which_vrm(); | |
1473 | } | |
1474 | ||
1475 | static struct w83791d_data *w83791d_update_device(struct device *dev) | |
1476 | { | |
1477 | struct i2c_client *client = to_i2c_client(dev); | |
1478 | struct w83791d_data *data = i2c_get_clientdata(client); | |
1479 | int i, j; | |
1480 | u8 reg_array_tmp[3]; | |
ad02ad85 | 1481 | u8 vbat_reg; |
9873964d CS |
1482 | |
1483 | mutex_lock(&data->update_lock); | |
1484 | ||
1485 | if (time_after(jiffies, data->last_updated + (HZ * 3)) | |
1486 | || !data->valid) { | |
1487 | dev_dbg(dev, "Starting w83791d device update\n"); | |
1488 | ||
1489 | /* Update the voltages measured value and limits */ | |
1490 | for (i = 0; i < NUMBER_OF_VIN; i++) { | |
1491 | data->in[i] = w83791d_read(client, | |
1492 | W83791D_REG_IN[i]); | |
1493 | data->in_max[i] = w83791d_read(client, | |
1494 | W83791D_REG_IN_MAX[i]); | |
1495 | data->in_min[i] = w83791d_read(client, | |
1496 | W83791D_REG_IN_MIN[i]); | |
1497 | } | |
1498 | ||
1499 | /* Update the fan counts and limits */ | |
1500 | for (i = 0; i < NUMBER_OF_FANIN; i++) { | |
1501 | /* Update the Fan measured value and limits */ | |
1502 | data->fan[i] = w83791d_read(client, | |
1503 | W83791D_REG_FAN[i]); | |
1504 | data->fan_min[i] = w83791d_read(client, | |
1505 | W83791D_REG_FAN_MIN[i]); | |
1506 | } | |
1507 | ||
1508 | /* Update the fan divisor */ | |
1509 | for (i = 0; i < 3; i++) { | |
1510 | reg_array_tmp[i] = w83791d_read(client, | |
1511 | W83791D_REG_FAN_DIV[i]); | |
1512 | } | |
1513 | data->fan_div[0] = (reg_array_tmp[0] >> 4) & 0x03; | |
1514 | data->fan_div[1] = (reg_array_tmp[0] >> 6) & 0x03; | |
1515 | data->fan_div[2] = (reg_array_tmp[1] >> 6) & 0x03; | |
1516 | data->fan_div[3] = reg_array_tmp[2] & 0x07; | |
1517 | data->fan_div[4] = (reg_array_tmp[2] >> 4) & 0x07; | |
1518 | ||
ad02ad85 MH |
1519 | /* The fan divisor for fans 0-2 get bit 2 from |
1520 | bits 5-7 respectively of vbat register */ | |
1521 | vbat_reg = w83791d_read(client, W83791D_REG_VBAT); | |
1522 | for (i = 0; i < 3; i++) | |
1523 | data->fan_div[i] |= (vbat_reg >> (3 + i)) & 0x04; | |
1524 | ||
6495ce18 MH |
1525 | /* Update PWM duty cycle */ |
1526 | for (i = 0; i < NUMBER_OF_PWM; i++) { | |
1527 | data->pwm[i] = w83791d_read(client, | |
1528 | W83791D_REG_PWM[i]); | |
1529 | } | |
1530 | ||
b5938f8c MH |
1531 | /* Update PWM enable status */ |
1532 | for (i = 0; i < 2; i++) { | |
1533 | reg_array_tmp[i] = w83791d_read(client, | |
1534 | W83791D_REG_FAN_CFG[i]); | |
1535 | } | |
1536 | data->pwm_enable[0] = (reg_array_tmp[0] >> 2) & 0x03; | |
1537 | data->pwm_enable[1] = (reg_array_tmp[0] >> 4) & 0x03; | |
1538 | data->pwm_enable[2] = (reg_array_tmp[1] >> 2) & 0x03; | |
1539 | ||
a5a4598c MH |
1540 | /* Update PWM target temperature */ |
1541 | for (i = 0; i < 3; i++) { | |
1542 | data->temp_target[i] = w83791d_read(client, | |
1543 | W83791D_REG_TEMP_TARGET[i]) & 0x7f; | |
1544 | } | |
1545 | ||
1546 | /* Update PWM temperature tolerance */ | |
1547 | for (i = 0; i < 2; i++) { | |
1548 | reg_array_tmp[i] = w83791d_read(client, | |
1549 | W83791D_REG_TEMP_TOL[i]); | |
1550 | } | |
1551 | data->temp_tolerance[0] = reg_array_tmp[0] & 0x0f; | |
1552 | data->temp_tolerance[1] = (reg_array_tmp[0] >> 4) & 0x0f; | |
1553 | data->temp_tolerance[2] = reg_array_tmp[1] & 0x0f; | |
1554 | ||
9873964d CS |
1555 | /* Update the first temperature sensor */ |
1556 | for (i = 0; i < 3; i++) { | |
1557 | data->temp1[i] = w83791d_read(client, | |
1558 | W83791D_REG_TEMP1[i]); | |
1559 | } | |
1560 | ||
1561 | /* Update the rest of the temperature sensors */ | |
1562 | for (i = 0; i < 2; i++) { | |
1563 | for (j = 0; j < 3; j++) { | |
1564 | data->temp_add[i][j] = | |
1565 | (w83791d_read(client, | |
1566 | W83791D_REG_TEMP_ADD[i][j * 2]) << 8) | | |
1567 | w83791d_read(client, | |
1568 | W83791D_REG_TEMP_ADD[i][j * 2 + 1]); | |
1569 | } | |
1570 | } | |
1571 | ||
1572 | /* Update the realtime status */ | |
1573 | data->alarms = | |
1574 | w83791d_read(client, W83791D_REG_ALARM1) + | |
1575 | (w83791d_read(client, W83791D_REG_ALARM2) << 8) + | |
1576 | (w83791d_read(client, W83791D_REG_ALARM3) << 16); | |
1577 | ||
1578 | /* Update the beep configuration information */ | |
1579 | data->beep_mask = | |
1580 | w83791d_read(client, W83791D_REG_BEEP_CTRL[0]) + | |
1581 | (w83791d_read(client, W83791D_REG_BEEP_CTRL[1]) << 8) + | |
1582 | (w83791d_read(client, W83791D_REG_BEEP_CTRL[2]) << 16); | |
1583 | ||
125751cb | 1584 | /* Extract global beep enable flag */ |
9873964d CS |
1585 | data->beep_enable = |
1586 | (data->beep_mask >> GLOBAL_BEEP_ENABLE_SHIFT) & 0x01; | |
1587 | ||
1588 | /* Update the cpu voltage information */ | |
1589 | i = w83791d_read(client, W83791D_REG_VID_FANDIV); | |
1590 | data->vid = i & 0x0f; | |
1591 | data->vid |= (w83791d_read(client, W83791D_REG_DID_VID4) & 0x01) | |
1592 | << 4; | |
1593 | ||
1594 | data->last_updated = jiffies; | |
1595 | data->valid = 1; | |
1596 | } | |
1597 | ||
1598 | mutex_unlock(&data->update_lock); | |
1599 | ||
1600 | #ifdef DEBUG | |
1601 | w83791d_print_debug(data, dev); | |
1602 | #endif | |
1603 | ||
1604 | return data; | |
1605 | } | |
1606 | ||
1607 | #ifdef DEBUG | |
1608 | static void w83791d_print_debug(struct w83791d_data *data, struct device *dev) | |
1609 | { | |
1610 | int i = 0, j = 0; | |
1611 | ||
1612 | dev_dbg(dev, "======Start of w83791d debug values======\n"); | |
1613 | dev_dbg(dev, "%d set of Voltages: ===>\n", NUMBER_OF_VIN); | |
1614 | for (i = 0; i < NUMBER_OF_VIN; i++) { | |
1615 | dev_dbg(dev, "vin[%d] is: 0x%02x\n", i, data->in[i]); | |
1616 | dev_dbg(dev, "vin[%d] min is: 0x%02x\n", i, data->in_min[i]); | |
1617 | dev_dbg(dev, "vin[%d] max is: 0x%02x\n", i, data->in_max[i]); | |
1618 | } | |
1619 | dev_dbg(dev, "%d set of Fan Counts/Divisors: ===>\n", NUMBER_OF_FANIN); | |
1620 | for (i = 0; i < NUMBER_OF_FANIN; i++) { | |
1621 | dev_dbg(dev, "fan[%d] is: 0x%02x\n", i, data->fan[i]); | |
1622 | dev_dbg(dev, "fan[%d] min is: 0x%02x\n", i, data->fan_min[i]); | |
1623 | dev_dbg(dev, "fan_div[%d] is: 0x%02x\n", i, data->fan_div[i]); | |
1624 | } | |
1625 | ||
1626 | /* temperature math is signed, but only print out the | |
1627 | bits that matter */ | |
1628 | dev_dbg(dev, "%d set of Temperatures: ===>\n", NUMBER_OF_TEMPIN); | |
1629 | for (i = 0; i < 3; i++) { | |
1630 | dev_dbg(dev, "temp1[%d] is: 0x%02x\n", i, (u8) data->temp1[i]); | |
1631 | } | |
1632 | for (i = 0; i < 2; i++) { | |
1633 | for (j = 0; j < 3; j++) { | |
1634 | dev_dbg(dev, "temp_add[%d][%d] is: 0x%04x\n", i, j, | |
1635 | (u16) data->temp_add[i][j]); | |
1636 | } | |
1637 | } | |
1638 | ||
1639 | dev_dbg(dev, "Misc Information: ===>\n"); | |
1640 | dev_dbg(dev, "alarm is: 0x%08x\n", data->alarms); | |
1641 | dev_dbg(dev, "beep_mask is: 0x%08x\n", data->beep_mask); | |
1642 | dev_dbg(dev, "beep_enable is: %d\n", data->beep_enable); | |
1643 | dev_dbg(dev, "vid is: 0x%02x\n", data->vid); | |
1644 | dev_dbg(dev, "vrm is: 0x%02x\n", data->vrm); | |
1645 | dev_dbg(dev, "=======End of w83791d debug values========\n"); | |
1646 | dev_dbg(dev, "\n"); | |
1647 | } | |
1648 | #endif | |
1649 | ||
1650 | static int __init sensors_w83791d_init(void) | |
1651 | { | |
1652 | return i2c_add_driver(&w83791d_driver); | |
1653 | } | |
1654 | ||
1655 | static void __exit sensors_w83791d_exit(void) | |
1656 | { | |
1657 | i2c_del_driver(&w83791d_driver); | |
1658 | } | |
1659 | ||
1660 | MODULE_AUTHOR("Charles Spirakis <bezaur@gmail.com>"); | |
1661 | MODULE_DESCRIPTION("W83791D driver"); | |
1662 | MODULE_LICENSE("GPL"); | |
1663 | ||
1664 | module_init(sensors_w83791d_init); | |
1665 | module_exit(sensors_w83791d_exit); |