]>
Commit | Line | Data |
---|---|---|
08e7e278 JD |
1 | /* |
2 | w83627ehf - Driver for the hardware monitoring functionality of | |
3 | the Winbond W83627EHF Super-I/O chip | |
4 | Copyright (C) 2005 Jean Delvare <khali@linux-fr.org> | |
3379ceee | 5 | Copyright (C) 2006 Yuan Mu (Winbond), |
7188cc66 | 6 | Rudolf Marek <r.marek@assembler.cz> |
c18beb5b | 7 | David Hubbard <david.c.hubbard@gmail.com> |
08e7e278 JD |
8 | |
9 | Shamelessly ripped from the w83627hf driver | |
10 | Copyright (C) 2003 Mark Studebaker | |
11 | ||
12 | Thanks to Leon Moonen, Steve Cliffe and Grant Coady for their help | |
13 | in testing and debugging this driver. | |
14 | ||
8dd2d2ca JD |
15 | This driver also supports the W83627EHG, which is the lead-free |
16 | version of the W83627EHF. | |
17 | ||
08e7e278 JD |
18 | This program is free software; you can redistribute it and/or modify |
19 | it under the terms of the GNU General Public License as published by | |
20 | the Free Software Foundation; either version 2 of the License, or | |
21 | (at your option) any later version. | |
22 | ||
23 | This program is distributed in the hope that it will be useful, | |
24 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | GNU General Public License for more details. | |
27 | ||
28 | You should have received a copy of the GNU General Public License | |
29 | along with this program; if not, write to the Free Software | |
30 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
31 | ||
32 | ||
33 | Supports the following chips: | |
34 | ||
657c93b1 DH |
35 | Chip #vin #fan #pwm #temp chip IDs man ID |
36 | w83627ehf 10 5 4 3 0x8850 0x88 0x5ca3 | |
37 | 0x8860 0xa1 | |
38 | w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3 | |
08e7e278 JD |
39 | */ |
40 | ||
41 | #include <linux/module.h> | |
42 | #include <linux/init.h> | |
43 | #include <linux/slab.h> | |
44 | #include <linux/i2c.h> | |
fde09509 | 45 | #include <linux/i2c-isa.h> |
943b0830 | 46 | #include <linux/hwmon.h> |
412fec82 | 47 | #include <linux/hwmon-sysfs.h> |
943b0830 | 48 | #include <linux/err.h> |
9a61bf63 | 49 | #include <linux/mutex.h> |
08e7e278 JD |
50 | #include <asm/io.h> |
51 | #include "lm75.h" | |
52 | ||
2d8672c5 JD |
53 | /* The actual ISA address is read from Super-I/O configuration space */ |
54 | static unsigned short address; | |
08e7e278 JD |
55 | |
56 | /* | |
57 | * Super-I/O constants and functions | |
58 | */ | |
59 | ||
657c93b1 DH |
60 | /* |
61 | * The three following globals are initialized in w83627ehf_find(), before | |
62 | * the i2c-isa device is created. Otherwise, they could be stored in | |
63 | * w83627ehf_data. This is ugly, but necessary, and when the driver is next | |
64 | * updated to become a platform driver, the globals will disappear. | |
65 | */ | |
08e7e278 JD |
66 | static int REG; /* The register to read/write */ |
67 | static int VAL; /* The value to read/write */ | |
657c93b1 DH |
68 | /* The w83627ehf/ehg have 10 voltage inputs, but the w83627dhg has 9. This |
69 | * value is also used in w83627ehf_detect() to export a device name in sysfs | |
70 | * (e.g. w83627ehf or w83627dhg) */ | |
71 | static int w83627ehf_num_in; | |
08e7e278 JD |
72 | |
73 | #define W83627EHF_LD_HWM 0x0b | |
74 | ||
75 | #define SIO_REG_LDSEL 0x07 /* Logical device select */ | |
76 | #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ | |
77 | #define SIO_REG_ENABLE 0x30 /* Logical device enable */ | |
78 | #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ | |
79 | ||
657c93b1 DH |
80 | #define SIO_W83627EHF_ID 0x8850 |
81 | #define SIO_W83627EHG_ID 0x8860 | |
82 | #define SIO_W83627DHG_ID 0xa020 | |
83 | #define SIO_ID_MASK 0xFFF0 | |
08e7e278 JD |
84 | |
85 | static inline void | |
86 | superio_outb(int reg, int val) | |
87 | { | |
88 | outb(reg, REG); | |
89 | outb(val, VAL); | |
90 | } | |
91 | ||
92 | static inline int | |
93 | superio_inb(int reg) | |
94 | { | |
95 | outb(reg, REG); | |
96 | return inb(VAL); | |
97 | } | |
98 | ||
99 | static inline void | |
100 | superio_select(int ld) | |
101 | { | |
102 | outb(SIO_REG_LDSEL, REG); | |
103 | outb(ld, VAL); | |
104 | } | |
105 | ||
106 | static inline void | |
107 | superio_enter(void) | |
108 | { | |
109 | outb(0x87, REG); | |
110 | outb(0x87, REG); | |
111 | } | |
112 | ||
113 | static inline void | |
114 | superio_exit(void) | |
115 | { | |
116 | outb(0x02, REG); | |
117 | outb(0x02, VAL); | |
118 | } | |
119 | ||
120 | /* | |
121 | * ISA constants | |
122 | */ | |
123 | ||
1a641fce JD |
124 | #define IOREGION_ALIGNMENT ~7 |
125 | #define IOREGION_OFFSET 5 | |
126 | #define IOREGION_LENGTH 2 | |
08e7e278 JD |
127 | #define ADDR_REG_OFFSET 5 |
128 | #define DATA_REG_OFFSET 6 | |
129 | ||
130 | #define W83627EHF_REG_BANK 0x4E | |
131 | #define W83627EHF_REG_CONFIG 0x40 | |
657c93b1 DH |
132 | |
133 | /* Not currently used: | |
134 | * REG_MAN_ID has the value 0x5ca3 for all supported chips. | |
135 | * REG_CHIP_ID == 0x88/0xa1/0xc1 depending on chip model. | |
136 | * REG_MAN_ID is at port 0x4f | |
137 | * REG_CHIP_ID is at port 0x58 */ | |
08e7e278 JD |
138 | |
139 | static const u16 W83627EHF_REG_FAN[] = { 0x28, 0x29, 0x2a, 0x3f, 0x553 }; | |
140 | static const u16 W83627EHF_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d, 0x3e, 0x55c }; | |
141 | ||
cf0676fe RM |
142 | /* The W83627EHF registers for nr=7,8,9 are in bank 5 */ |
143 | #define W83627EHF_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ | |
144 | (0x554 + (((nr) - 7) * 2))) | |
145 | #define W83627EHF_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ | |
146 | (0x555 + (((nr) - 7) * 2))) | |
147 | #define W83627EHF_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ | |
148 | (0x550 + (nr) - 7)) | |
149 | ||
08e7e278 JD |
150 | #define W83627EHF_REG_TEMP1 0x27 |
151 | #define W83627EHF_REG_TEMP1_HYST 0x3a | |
152 | #define W83627EHF_REG_TEMP1_OVER 0x39 | |
153 | static const u16 W83627EHF_REG_TEMP[] = { 0x150, 0x250 }; | |
154 | static const u16 W83627EHF_REG_TEMP_HYST[] = { 0x153, 0x253 }; | |
155 | static const u16 W83627EHF_REG_TEMP_OVER[] = { 0x155, 0x255 }; | |
156 | static const u16 W83627EHF_REG_TEMP_CONFIG[] = { 0x152, 0x252 }; | |
157 | ||
158 | /* Fan clock dividers are spread over the following five registers */ | |
159 | #define W83627EHF_REG_FANDIV1 0x47 | |
160 | #define W83627EHF_REG_FANDIV2 0x4B | |
161 | #define W83627EHF_REG_VBAT 0x5D | |
162 | #define W83627EHF_REG_DIODE 0x59 | |
163 | #define W83627EHF_REG_SMI_OVT 0x4C | |
164 | ||
a4589dbb JD |
165 | #define W83627EHF_REG_ALARM1 0x459 |
166 | #define W83627EHF_REG_ALARM2 0x45A | |
167 | #define W83627EHF_REG_ALARM3 0x45B | |
168 | ||
08c79950 RM |
169 | /* SmartFan registers */ |
170 | /* DC or PWM output fan configuration */ | |
171 | static const u8 W83627EHF_REG_PWM_ENABLE[] = { | |
172 | 0x04, /* SYS FAN0 output mode and PWM mode */ | |
173 | 0x04, /* CPU FAN0 output mode and PWM mode */ | |
174 | 0x12, /* AUX FAN mode */ | |
175 | 0x62, /* CPU fan1 mode */ | |
176 | }; | |
177 | ||
178 | static const u8 W83627EHF_PWM_MODE_SHIFT[] = { 0, 1, 0, 6 }; | |
179 | static const u8 W83627EHF_PWM_ENABLE_SHIFT[] = { 2, 4, 1, 4 }; | |
180 | ||
181 | /* FAN Duty Cycle, be used to control */ | |
182 | static const u8 W83627EHF_REG_PWM[] = { 0x01, 0x03, 0x11, 0x61 }; | |
183 | static const u8 W83627EHF_REG_TARGET[] = { 0x05, 0x06, 0x13, 0x63 }; | |
184 | static const u8 W83627EHF_REG_TOLERANCE[] = { 0x07, 0x07, 0x14, 0x62 }; | |
185 | ||
186 | ||
187 | /* Advanced Fan control, some values are common for all fans */ | |
188 | static const u8 W83627EHF_REG_FAN_MIN_OUTPUT[] = { 0x08, 0x09, 0x15, 0x64 }; | |
189 | static const u8 W83627EHF_REG_FAN_STOP_TIME[] = { 0x0C, 0x0D, 0x17, 0x66 }; | |
190 | ||
08e7e278 JD |
191 | /* |
192 | * Conversions | |
193 | */ | |
194 | ||
08c79950 RM |
195 | /* 1 is PWM mode, output in ms */ |
196 | static inline unsigned int step_time_from_reg(u8 reg, u8 mode) | |
197 | { | |
198 | return mode ? 100 * reg : 400 * reg; | |
199 | } | |
200 | ||
201 | static inline u8 step_time_to_reg(unsigned int msec, u8 mode) | |
202 | { | |
203 | return SENSORS_LIMIT((mode ? (msec + 50) / 100 : | |
204 | (msec + 200) / 400), 1, 255); | |
205 | } | |
206 | ||
08e7e278 JD |
207 | static inline unsigned int |
208 | fan_from_reg(u8 reg, unsigned int div) | |
209 | { | |
210 | if (reg == 0 || reg == 255) | |
211 | return 0; | |
212 | return 1350000U / (reg * div); | |
213 | } | |
214 | ||
215 | static inline unsigned int | |
216 | div_from_reg(u8 reg) | |
217 | { | |
218 | return 1 << reg; | |
219 | } | |
220 | ||
221 | static inline int | |
222 | temp1_from_reg(s8 reg) | |
223 | { | |
224 | return reg * 1000; | |
225 | } | |
226 | ||
227 | static inline s8 | |
08c79950 | 228 | temp1_to_reg(int temp, int min, int max) |
08e7e278 | 229 | { |
08c79950 RM |
230 | if (temp <= min) |
231 | return min / 1000; | |
232 | if (temp >= max) | |
233 | return max / 1000; | |
08e7e278 JD |
234 | if (temp < 0) |
235 | return (temp - 500) / 1000; | |
236 | return (temp + 500) / 1000; | |
237 | } | |
238 | ||
cf0676fe RM |
239 | /* Some of analog inputs have internal scaling (2x), 8mV is ADC LSB */ |
240 | ||
241 | static u8 scale_in[10] = { 8, 8, 16, 16, 8, 8, 8, 16, 16, 8 }; | |
242 | ||
243 | static inline long in_from_reg(u8 reg, u8 nr) | |
244 | { | |
245 | return reg * scale_in[nr]; | |
246 | } | |
247 | ||
248 | static inline u8 in_to_reg(u32 val, u8 nr) | |
249 | { | |
250 | return SENSORS_LIMIT(((val + (scale_in[nr] / 2)) / scale_in[nr]), 0, 255); | |
251 | } | |
252 | ||
08e7e278 JD |
253 | /* |
254 | * Data structures and manipulation thereof | |
255 | */ | |
256 | ||
257 | struct w83627ehf_data { | |
258 | struct i2c_client client; | |
943b0830 | 259 | struct class_device *class_dev; |
9a61bf63 | 260 | struct mutex lock; |
08e7e278 | 261 | |
9a61bf63 | 262 | struct mutex update_lock; |
08e7e278 JD |
263 | char valid; /* !=0 if following fields are valid */ |
264 | unsigned long last_updated; /* In jiffies */ | |
265 | ||
266 | /* Register values */ | |
cf0676fe RM |
267 | u8 in[10]; /* Register value */ |
268 | u8 in_max[10]; /* Register value */ | |
269 | u8 in_min[10]; /* Register value */ | |
08e7e278 JD |
270 | u8 fan[5]; |
271 | u8 fan_min[5]; | |
272 | u8 fan_div[5]; | |
273 | u8 has_fan; /* some fan inputs can be disabled */ | |
274 | s8 temp1; | |
275 | s8 temp1_max; | |
276 | s8 temp1_max_hyst; | |
277 | s16 temp[2]; | |
278 | s16 temp_max[2]; | |
279 | s16 temp_max_hyst[2]; | |
a4589dbb | 280 | u32 alarms; |
08c79950 RM |
281 | |
282 | u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */ | |
283 | u8 pwm_enable[4]; /* 1->manual | |
284 | 2->thermal cruise (also called SmartFan I) */ | |
285 | u8 pwm[4]; | |
286 | u8 target_temp[4]; | |
287 | u8 tolerance[4]; | |
288 | ||
289 | u8 fan_min_output[4]; /* minimum fan speed */ | |
290 | u8 fan_stop_time[4]; | |
08e7e278 JD |
291 | }; |
292 | ||
293 | static inline int is_word_sized(u16 reg) | |
294 | { | |
295 | return (((reg & 0xff00) == 0x100 | |
296 | || (reg & 0xff00) == 0x200) | |
297 | && ((reg & 0x00ff) == 0x50 | |
298 | || (reg & 0x00ff) == 0x53 | |
299 | || (reg & 0x00ff) == 0x55)); | |
300 | } | |
301 | ||
302 | /* We assume that the default bank is 0, thus the following two functions do | |
303 | nothing for registers which live in bank 0. For others, they respectively | |
304 | set the bank register to the correct value (before the register is | |
305 | accessed), and back to 0 (afterwards). */ | |
306 | static inline void w83627ehf_set_bank(struct i2c_client *client, u16 reg) | |
307 | { | |
308 | if (reg & 0xff00) { | |
309 | outb_p(W83627EHF_REG_BANK, client->addr + ADDR_REG_OFFSET); | |
310 | outb_p(reg >> 8, client->addr + DATA_REG_OFFSET); | |
311 | } | |
312 | } | |
313 | ||
314 | static inline void w83627ehf_reset_bank(struct i2c_client *client, u16 reg) | |
315 | { | |
316 | if (reg & 0xff00) { | |
317 | outb_p(W83627EHF_REG_BANK, client->addr + ADDR_REG_OFFSET); | |
318 | outb_p(0, client->addr + DATA_REG_OFFSET); | |
319 | } | |
320 | } | |
321 | ||
322 | static u16 w83627ehf_read_value(struct i2c_client *client, u16 reg) | |
323 | { | |
324 | struct w83627ehf_data *data = i2c_get_clientdata(client); | |
325 | int res, word_sized = is_word_sized(reg); | |
326 | ||
9a61bf63 | 327 | mutex_lock(&data->lock); |
08e7e278 JD |
328 | |
329 | w83627ehf_set_bank(client, reg); | |
330 | outb_p(reg & 0xff, client->addr + ADDR_REG_OFFSET); | |
331 | res = inb_p(client->addr + DATA_REG_OFFSET); | |
332 | if (word_sized) { | |
333 | outb_p((reg & 0xff) + 1, | |
334 | client->addr + ADDR_REG_OFFSET); | |
335 | res = (res << 8) + inb_p(client->addr + DATA_REG_OFFSET); | |
336 | } | |
337 | w83627ehf_reset_bank(client, reg); | |
338 | ||
9a61bf63 | 339 | mutex_unlock(&data->lock); |
08e7e278 JD |
340 | |
341 | return res; | |
342 | } | |
343 | ||
344 | static int w83627ehf_write_value(struct i2c_client *client, u16 reg, u16 value) | |
345 | { | |
346 | struct w83627ehf_data *data = i2c_get_clientdata(client); | |
347 | int word_sized = is_word_sized(reg); | |
348 | ||
9a61bf63 | 349 | mutex_lock(&data->lock); |
08e7e278 JD |
350 | |
351 | w83627ehf_set_bank(client, reg); | |
352 | outb_p(reg & 0xff, client->addr + ADDR_REG_OFFSET); | |
353 | if (word_sized) { | |
354 | outb_p(value >> 8, client->addr + DATA_REG_OFFSET); | |
355 | outb_p((reg & 0xff) + 1, | |
356 | client->addr + ADDR_REG_OFFSET); | |
357 | } | |
358 | outb_p(value & 0xff, client->addr + DATA_REG_OFFSET); | |
359 | w83627ehf_reset_bank(client, reg); | |
360 | ||
9a61bf63 | 361 | mutex_unlock(&data->lock); |
08e7e278 JD |
362 | return 0; |
363 | } | |
364 | ||
365 | /* This function assumes that the caller holds data->update_lock */ | |
366 | static void w83627ehf_write_fan_div(struct i2c_client *client, int nr) | |
367 | { | |
368 | struct w83627ehf_data *data = i2c_get_clientdata(client); | |
369 | u8 reg; | |
370 | ||
371 | switch (nr) { | |
372 | case 0: | |
373 | reg = (w83627ehf_read_value(client, W83627EHF_REG_FANDIV1) & 0xcf) | |
374 | | ((data->fan_div[0] & 0x03) << 4); | |
14992c7e RM |
375 | /* fan5 input control bit is write only, compute the value */ |
376 | reg |= (data->has_fan & (1 << 4)) ? 1 : 0; | |
08e7e278 JD |
377 | w83627ehf_write_value(client, W83627EHF_REG_FANDIV1, reg); |
378 | reg = (w83627ehf_read_value(client, W83627EHF_REG_VBAT) & 0xdf) | |
379 | | ((data->fan_div[0] & 0x04) << 3); | |
380 | w83627ehf_write_value(client, W83627EHF_REG_VBAT, reg); | |
381 | break; | |
382 | case 1: | |
383 | reg = (w83627ehf_read_value(client, W83627EHF_REG_FANDIV1) & 0x3f) | |
384 | | ((data->fan_div[1] & 0x03) << 6); | |
14992c7e RM |
385 | /* fan5 input control bit is write only, compute the value */ |
386 | reg |= (data->has_fan & (1 << 4)) ? 1 : 0; | |
08e7e278 JD |
387 | w83627ehf_write_value(client, W83627EHF_REG_FANDIV1, reg); |
388 | reg = (w83627ehf_read_value(client, W83627EHF_REG_VBAT) & 0xbf) | |
389 | | ((data->fan_div[1] & 0x04) << 4); | |
390 | w83627ehf_write_value(client, W83627EHF_REG_VBAT, reg); | |
391 | break; | |
392 | case 2: | |
393 | reg = (w83627ehf_read_value(client, W83627EHF_REG_FANDIV2) & 0x3f) | |
394 | | ((data->fan_div[2] & 0x03) << 6); | |
395 | w83627ehf_write_value(client, W83627EHF_REG_FANDIV2, reg); | |
396 | reg = (w83627ehf_read_value(client, W83627EHF_REG_VBAT) & 0x7f) | |
397 | | ((data->fan_div[2] & 0x04) << 5); | |
398 | w83627ehf_write_value(client, W83627EHF_REG_VBAT, reg); | |
399 | break; | |
400 | case 3: | |
401 | reg = (w83627ehf_read_value(client, W83627EHF_REG_DIODE) & 0xfc) | |
402 | | (data->fan_div[3] & 0x03); | |
403 | w83627ehf_write_value(client, W83627EHF_REG_DIODE, reg); | |
404 | reg = (w83627ehf_read_value(client, W83627EHF_REG_SMI_OVT) & 0x7f) | |
405 | | ((data->fan_div[3] & 0x04) << 5); | |
406 | w83627ehf_write_value(client, W83627EHF_REG_SMI_OVT, reg); | |
407 | break; | |
408 | case 4: | |
409 | reg = (w83627ehf_read_value(client, W83627EHF_REG_DIODE) & 0x73) | |
33725ad3 | 410 | | ((data->fan_div[4] & 0x03) << 2) |
08e7e278 JD |
411 | | ((data->fan_div[4] & 0x04) << 5); |
412 | w83627ehf_write_value(client, W83627EHF_REG_DIODE, reg); | |
413 | break; | |
414 | } | |
415 | } | |
416 | ||
417 | static struct w83627ehf_data *w83627ehf_update_device(struct device *dev) | |
418 | { | |
419 | struct i2c_client *client = to_i2c_client(dev); | |
420 | struct w83627ehf_data *data = i2c_get_clientdata(client); | |
08c79950 | 421 | int pwmcfg = 0, tolerance = 0; /* shut up the compiler */ |
08e7e278 JD |
422 | int i; |
423 | ||
9a61bf63 | 424 | mutex_lock(&data->update_lock); |
08e7e278 JD |
425 | |
426 | if (time_after(jiffies, data->last_updated + HZ) | |
427 | || !data->valid) { | |
428 | /* Fan clock dividers */ | |
429 | i = w83627ehf_read_value(client, W83627EHF_REG_FANDIV1); | |
430 | data->fan_div[0] = (i >> 4) & 0x03; | |
431 | data->fan_div[1] = (i >> 6) & 0x03; | |
432 | i = w83627ehf_read_value(client, W83627EHF_REG_FANDIV2); | |
433 | data->fan_div[2] = (i >> 6) & 0x03; | |
434 | i = w83627ehf_read_value(client, W83627EHF_REG_VBAT); | |
435 | data->fan_div[0] |= (i >> 3) & 0x04; | |
436 | data->fan_div[1] |= (i >> 4) & 0x04; | |
437 | data->fan_div[2] |= (i >> 5) & 0x04; | |
438 | if (data->has_fan & ((1 << 3) | (1 << 4))) { | |
439 | i = w83627ehf_read_value(client, W83627EHF_REG_DIODE); | |
440 | data->fan_div[3] = i & 0x03; | |
441 | data->fan_div[4] = ((i >> 2) & 0x03) | |
442 | | ((i >> 5) & 0x04); | |
443 | } | |
444 | if (data->has_fan & (1 << 3)) { | |
445 | i = w83627ehf_read_value(client, W83627EHF_REG_SMI_OVT); | |
446 | data->fan_div[3] |= (i >> 5) & 0x04; | |
447 | } | |
448 | ||
cf0676fe | 449 | /* Measured voltages and limits */ |
657c93b1 | 450 | for (i = 0; i < w83627ehf_num_in; i++) { |
cf0676fe RM |
451 | data->in[i] = w83627ehf_read_value(client, |
452 | W83627EHF_REG_IN(i)); | |
453 | data->in_min[i] = w83627ehf_read_value(client, | |
454 | W83627EHF_REG_IN_MIN(i)); | |
455 | data->in_max[i] = w83627ehf_read_value(client, | |
456 | W83627EHF_REG_IN_MAX(i)); | |
457 | } | |
458 | ||
08e7e278 JD |
459 | /* Measured fan speeds and limits */ |
460 | for (i = 0; i < 5; i++) { | |
461 | if (!(data->has_fan & (1 << i))) | |
462 | continue; | |
463 | ||
464 | data->fan[i] = w83627ehf_read_value(client, | |
465 | W83627EHF_REG_FAN[i]); | |
466 | data->fan_min[i] = w83627ehf_read_value(client, | |
467 | W83627EHF_REG_FAN_MIN[i]); | |
468 | ||
469 | /* If we failed to measure the fan speed and clock | |
470 | divider can be increased, let's try that for next | |
471 | time */ | |
472 | if (data->fan[i] == 0xff | |
473 | && data->fan_div[i] < 0x07) { | |
33725ad3 | 474 | dev_dbg(&client->dev, "Increasing fan%d " |
08e7e278 | 475 | "clock divider from %u to %u\n", |
33725ad3 | 476 | i + 1, div_from_reg(data->fan_div[i]), |
08e7e278 JD |
477 | div_from_reg(data->fan_div[i] + 1)); |
478 | data->fan_div[i]++; | |
479 | w83627ehf_write_fan_div(client, i); | |
480 | /* Preserve min limit if possible */ | |
481 | if (data->fan_min[i] >= 2 | |
482 | && data->fan_min[i] != 255) | |
483 | w83627ehf_write_value(client, | |
484 | W83627EHF_REG_FAN_MIN[i], | |
485 | (data->fan_min[i] /= 2)); | |
486 | } | |
487 | } | |
488 | ||
08c79950 RM |
489 | for (i = 0; i < 4; i++) { |
490 | /* pwmcfg, tolarance mapped for i=0, i=1 to same reg */ | |
491 | if (i != 1) { | |
492 | pwmcfg = w83627ehf_read_value(client, | |
493 | W83627EHF_REG_PWM_ENABLE[i]); | |
494 | tolerance = w83627ehf_read_value(client, | |
495 | W83627EHF_REG_TOLERANCE[i]); | |
496 | } | |
497 | data->pwm_mode[i] = | |
498 | ((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1) | |
499 | ? 0 : 1; | |
500 | data->pwm_enable[i] = | |
501 | ((pwmcfg >> W83627EHF_PWM_ENABLE_SHIFT[i]) | |
502 | & 3) + 1; | |
503 | data->pwm[i] = w83627ehf_read_value(client, | |
504 | W83627EHF_REG_PWM[i]); | |
505 | data->fan_min_output[i] = w83627ehf_read_value(client, | |
506 | W83627EHF_REG_FAN_MIN_OUTPUT[i]); | |
507 | data->fan_stop_time[i] = w83627ehf_read_value(client, | |
508 | W83627EHF_REG_FAN_STOP_TIME[i]); | |
509 | data->target_temp[i] = | |
510 | w83627ehf_read_value(client, | |
511 | W83627EHF_REG_TARGET[i]) & | |
512 | (data->pwm_mode[i] == 1 ? 0x7f : 0xff); | |
513 | data->tolerance[i] = (tolerance >> (i == 1 ? 4 : 0)) | |
514 | & 0x0f; | |
515 | } | |
516 | ||
08e7e278 JD |
517 | /* Measured temperatures and limits */ |
518 | data->temp1 = w83627ehf_read_value(client, | |
519 | W83627EHF_REG_TEMP1); | |
520 | data->temp1_max = w83627ehf_read_value(client, | |
521 | W83627EHF_REG_TEMP1_OVER); | |
522 | data->temp1_max_hyst = w83627ehf_read_value(client, | |
523 | W83627EHF_REG_TEMP1_HYST); | |
524 | for (i = 0; i < 2; i++) { | |
525 | data->temp[i] = w83627ehf_read_value(client, | |
526 | W83627EHF_REG_TEMP[i]); | |
527 | data->temp_max[i] = w83627ehf_read_value(client, | |
528 | W83627EHF_REG_TEMP_OVER[i]); | |
529 | data->temp_max_hyst[i] = w83627ehf_read_value(client, | |
530 | W83627EHF_REG_TEMP_HYST[i]); | |
531 | } | |
532 | ||
a4589dbb JD |
533 | data->alarms = w83627ehf_read_value(client, |
534 | W83627EHF_REG_ALARM1) | | |
535 | (w83627ehf_read_value(client, | |
536 | W83627EHF_REG_ALARM2) << 8) | | |
537 | (w83627ehf_read_value(client, | |
538 | W83627EHF_REG_ALARM3) << 16); | |
539 | ||
08e7e278 JD |
540 | data->last_updated = jiffies; |
541 | data->valid = 1; | |
542 | } | |
543 | ||
9a61bf63 | 544 | mutex_unlock(&data->update_lock); |
08e7e278 JD |
545 | return data; |
546 | } | |
547 | ||
548 | /* | |
549 | * Sysfs callback functions | |
550 | */ | |
cf0676fe RM |
551 | #define show_in_reg(reg) \ |
552 | static ssize_t \ | |
553 | show_##reg(struct device *dev, struct device_attribute *attr, \ | |
554 | char *buf) \ | |
555 | { \ | |
556 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
557 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
558 | int nr = sensor_attr->index; \ | |
559 | return sprintf(buf, "%ld\n", in_from_reg(data->reg[nr], nr)); \ | |
560 | } | |
561 | show_in_reg(in) | |
562 | show_in_reg(in_min) | |
563 | show_in_reg(in_max) | |
564 | ||
565 | #define store_in_reg(REG, reg) \ | |
566 | static ssize_t \ | |
567 | store_in_##reg (struct device *dev, struct device_attribute *attr, \ | |
568 | const char *buf, size_t count) \ | |
569 | { \ | |
570 | struct i2c_client *client = to_i2c_client(dev); \ | |
571 | struct w83627ehf_data *data = i2c_get_clientdata(client); \ | |
572 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
573 | int nr = sensor_attr->index; \ | |
574 | u32 val = simple_strtoul(buf, NULL, 10); \ | |
575 | \ | |
576 | mutex_lock(&data->update_lock); \ | |
577 | data->in_##reg[nr] = in_to_reg(val, nr); \ | |
578 | w83627ehf_write_value(client, W83627EHF_REG_IN_##REG(nr), \ | |
579 | data->in_##reg[nr]); \ | |
580 | mutex_unlock(&data->update_lock); \ | |
581 | return count; \ | |
582 | } | |
583 | ||
584 | store_in_reg(MIN, min) | |
585 | store_in_reg(MAX, max) | |
586 | ||
a4589dbb JD |
587 | static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, char *buf) |
588 | { | |
589 | struct w83627ehf_data *data = w83627ehf_update_device(dev); | |
590 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
591 | int nr = sensor_attr->index; | |
592 | return sprintf(buf, "%u\n", (data->alarms >> nr) & 0x01); | |
593 | } | |
594 | ||
cf0676fe RM |
595 | static struct sensor_device_attribute sda_in_input[] = { |
596 | SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), | |
597 | SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), | |
598 | SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), | |
599 | SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), | |
600 | SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), | |
601 | SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), | |
602 | SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), | |
603 | SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), | |
604 | SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), | |
605 | SENSOR_ATTR(in9_input, S_IRUGO, show_in, NULL, 9), | |
606 | }; | |
607 | ||
a4589dbb JD |
608 | static struct sensor_device_attribute sda_in_alarm[] = { |
609 | SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0), | |
610 | SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1), | |
611 | SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2), | |
612 | SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3), | |
613 | SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8), | |
614 | SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 21), | |
615 | SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 20), | |
616 | SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16), | |
617 | SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17), | |
618 | SENSOR_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 19), | |
619 | }; | |
620 | ||
cf0676fe RM |
621 | static struct sensor_device_attribute sda_in_min[] = { |
622 | SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), | |
623 | SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), | |
624 | SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), | |
625 | SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), | |
626 | SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), | |
627 | SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), | |
628 | SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), | |
629 | SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), | |
630 | SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), | |
631 | SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 9), | |
632 | }; | |
633 | ||
634 | static struct sensor_device_attribute sda_in_max[] = { | |
635 | SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), | |
636 | SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), | |
637 | SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), | |
638 | SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), | |
639 | SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), | |
640 | SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), | |
641 | SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), | |
642 | SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), | |
643 | SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), | |
644 | SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9), | |
645 | }; | |
646 | ||
08e7e278 JD |
647 | #define show_fan_reg(reg) \ |
648 | static ssize_t \ | |
412fec82 YM |
649 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
650 | char *buf) \ | |
08e7e278 JD |
651 | { \ |
652 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
412fec82 YM |
653 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
654 | int nr = sensor_attr->index; \ | |
08e7e278 JD |
655 | return sprintf(buf, "%d\n", \ |
656 | fan_from_reg(data->reg[nr], \ | |
657 | div_from_reg(data->fan_div[nr]))); \ | |
658 | } | |
659 | show_fan_reg(fan); | |
660 | show_fan_reg(fan_min); | |
661 | ||
662 | static ssize_t | |
412fec82 YM |
663 | show_fan_div(struct device *dev, struct device_attribute *attr, |
664 | char *buf) | |
08e7e278 JD |
665 | { |
666 | struct w83627ehf_data *data = w83627ehf_update_device(dev); | |
412fec82 YM |
667 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
668 | int nr = sensor_attr->index; | |
669 | return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr])); | |
08e7e278 JD |
670 | } |
671 | ||
672 | static ssize_t | |
412fec82 YM |
673 | store_fan_min(struct device *dev, struct device_attribute *attr, |
674 | const char *buf, size_t count) | |
08e7e278 JD |
675 | { |
676 | struct i2c_client *client = to_i2c_client(dev); | |
677 | struct w83627ehf_data *data = i2c_get_clientdata(client); | |
412fec82 YM |
678 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
679 | int nr = sensor_attr->index; | |
08e7e278 JD |
680 | unsigned int val = simple_strtoul(buf, NULL, 10); |
681 | unsigned int reg; | |
682 | u8 new_div; | |
683 | ||
9a61bf63 | 684 | mutex_lock(&data->update_lock); |
08e7e278 JD |
685 | if (!val) { |
686 | /* No min limit, alarm disabled */ | |
687 | data->fan_min[nr] = 255; | |
688 | new_div = data->fan_div[nr]; /* No change */ | |
689 | dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1); | |
690 | } else if ((reg = 1350000U / val) >= 128 * 255) { | |
691 | /* Speed below this value cannot possibly be represented, | |
692 | even with the highest divider (128) */ | |
693 | data->fan_min[nr] = 254; | |
694 | new_div = 7; /* 128 == (1 << 7) */ | |
695 | dev_warn(dev, "fan%u low limit %u below minimum %u, set to " | |
696 | "minimum\n", nr + 1, val, fan_from_reg(254, 128)); | |
697 | } else if (!reg) { | |
698 | /* Speed above this value cannot possibly be represented, | |
699 | even with the lowest divider (1) */ | |
700 | data->fan_min[nr] = 1; | |
701 | new_div = 0; /* 1 == (1 << 0) */ | |
702 | dev_warn(dev, "fan%u low limit %u above maximum %u, set to " | |
b9110b1c | 703 | "maximum\n", nr + 1, val, fan_from_reg(1, 1)); |
08e7e278 JD |
704 | } else { |
705 | /* Automatically pick the best divider, i.e. the one such | |
706 | that the min limit will correspond to a register value | |
707 | in the 96..192 range */ | |
708 | new_div = 0; | |
709 | while (reg > 192 && new_div < 7) { | |
710 | reg >>= 1; | |
711 | new_div++; | |
712 | } | |
713 | data->fan_min[nr] = reg; | |
714 | } | |
715 | ||
716 | /* Write both the fan clock divider (if it changed) and the new | |
717 | fan min (unconditionally) */ | |
718 | if (new_div != data->fan_div[nr]) { | |
158ce075 JD |
719 | /* Preserve the fan speed reading */ |
720 | if (data->fan[nr] != 0xff) { | |
721 | if (new_div > data->fan_div[nr]) | |
722 | data->fan[nr] >>= new_div - data->fan_div[nr]; | |
723 | else if (data->fan[nr] & 0x80) | |
724 | data->fan[nr] = 0xff; | |
725 | else | |
726 | data->fan[nr] <<= data->fan_div[nr] - new_div; | |
727 | } | |
08e7e278 JD |
728 | |
729 | dev_dbg(dev, "fan%u clock divider changed from %u to %u\n", | |
730 | nr + 1, div_from_reg(data->fan_div[nr]), | |
731 | div_from_reg(new_div)); | |
732 | data->fan_div[nr] = new_div; | |
733 | w83627ehf_write_fan_div(client, nr); | |
734 | } | |
735 | w83627ehf_write_value(client, W83627EHF_REG_FAN_MIN[nr], | |
736 | data->fan_min[nr]); | |
9a61bf63 | 737 | mutex_unlock(&data->update_lock); |
08e7e278 JD |
738 | |
739 | return count; | |
740 | } | |
741 | ||
412fec82 YM |
742 | static struct sensor_device_attribute sda_fan_input[] = { |
743 | SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0), | |
744 | SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1), | |
745 | SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2), | |
746 | SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3), | |
747 | SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4), | |
748 | }; | |
08e7e278 | 749 | |
a4589dbb JD |
750 | static struct sensor_device_attribute sda_fan_alarm[] = { |
751 | SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6), | |
752 | SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7), | |
753 | SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11), | |
754 | SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 10), | |
755 | SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 23), | |
756 | }; | |
757 | ||
412fec82 YM |
758 | static struct sensor_device_attribute sda_fan_min[] = { |
759 | SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, | |
760 | store_fan_min, 0), | |
761 | SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, | |
762 | store_fan_min, 1), | |
763 | SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, | |
764 | store_fan_min, 2), | |
765 | SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, | |
766 | store_fan_min, 3), | |
767 | SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, | |
768 | store_fan_min, 4), | |
769 | }; | |
08e7e278 | 770 | |
412fec82 YM |
771 | static struct sensor_device_attribute sda_fan_div[] = { |
772 | SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0), | |
773 | SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1), | |
774 | SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2), | |
775 | SENSOR_ATTR(fan4_div, S_IRUGO, show_fan_div, NULL, 3), | |
776 | SENSOR_ATTR(fan5_div, S_IRUGO, show_fan_div, NULL, 4), | |
777 | }; | |
778 | ||
08e7e278 JD |
779 | #define show_temp1_reg(reg) \ |
780 | static ssize_t \ | |
6f637a64 GKH |
781 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
782 | char *buf) \ | |
08e7e278 JD |
783 | { \ |
784 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
785 | return sprintf(buf, "%d\n", temp1_from_reg(data->reg)); \ | |
786 | } | |
787 | show_temp1_reg(temp1); | |
788 | show_temp1_reg(temp1_max); | |
789 | show_temp1_reg(temp1_max_hyst); | |
790 | ||
791 | #define store_temp1_reg(REG, reg) \ | |
792 | static ssize_t \ | |
6f637a64 GKH |
793 | store_temp1_##reg(struct device *dev, struct device_attribute *attr, \ |
794 | const char *buf, size_t count) \ | |
08e7e278 JD |
795 | { \ |
796 | struct i2c_client *client = to_i2c_client(dev); \ | |
797 | struct w83627ehf_data *data = i2c_get_clientdata(client); \ | |
798 | u32 val = simple_strtoul(buf, NULL, 10); \ | |
799 | \ | |
9a61bf63 | 800 | mutex_lock(&data->update_lock); \ |
08c79950 | 801 | data->temp1_##reg = temp1_to_reg(val, -128000, 127000); \ |
08e7e278 JD |
802 | w83627ehf_write_value(client, W83627EHF_REG_TEMP1_##REG, \ |
803 | data->temp1_##reg); \ | |
9a61bf63 | 804 | mutex_unlock(&data->update_lock); \ |
08e7e278 JD |
805 | return count; \ |
806 | } | |
807 | store_temp1_reg(OVER, max); | |
808 | store_temp1_reg(HYST, max_hyst); | |
809 | ||
08e7e278 JD |
810 | #define show_temp_reg(reg) \ |
811 | static ssize_t \ | |
412fec82 YM |
812 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
813 | char *buf) \ | |
08e7e278 JD |
814 | { \ |
815 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
412fec82 YM |
816 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
817 | int nr = sensor_attr->index; \ | |
08e7e278 JD |
818 | return sprintf(buf, "%d\n", \ |
819 | LM75_TEMP_FROM_REG(data->reg[nr])); \ | |
820 | } | |
821 | show_temp_reg(temp); | |
822 | show_temp_reg(temp_max); | |
823 | show_temp_reg(temp_max_hyst); | |
824 | ||
825 | #define store_temp_reg(REG, reg) \ | |
826 | static ssize_t \ | |
412fec82 YM |
827 | store_##reg(struct device *dev, struct device_attribute *attr, \ |
828 | const char *buf, size_t count) \ | |
08e7e278 JD |
829 | { \ |
830 | struct i2c_client *client = to_i2c_client(dev); \ | |
831 | struct w83627ehf_data *data = i2c_get_clientdata(client); \ | |
412fec82 YM |
832 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
833 | int nr = sensor_attr->index; \ | |
08e7e278 JD |
834 | u32 val = simple_strtoul(buf, NULL, 10); \ |
835 | \ | |
9a61bf63 | 836 | mutex_lock(&data->update_lock); \ |
08e7e278 JD |
837 | data->reg[nr] = LM75_TEMP_TO_REG(val); \ |
838 | w83627ehf_write_value(client, W83627EHF_REG_TEMP_##REG[nr], \ | |
839 | data->reg[nr]); \ | |
9a61bf63 | 840 | mutex_unlock(&data->update_lock); \ |
08e7e278 JD |
841 | return count; \ |
842 | } | |
843 | store_temp_reg(OVER, temp_max); | |
844 | store_temp_reg(HYST, temp_max_hyst); | |
845 | ||
412fec82 YM |
846 | static struct sensor_device_attribute sda_temp[] = { |
847 | SENSOR_ATTR(temp1_input, S_IRUGO, show_temp1, NULL, 0), | |
848 | SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 0), | |
849 | SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 1), | |
850 | SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp1_max, | |
851 | store_temp1_max, 0), | |
852 | SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, show_temp_max, | |
853 | store_temp_max, 0), | |
854 | SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, show_temp_max, | |
855 | store_temp_max, 1), | |
856 | SENSOR_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1_max_hyst, | |
857 | store_temp1_max_hyst, 0), | |
858 | SENSOR_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst, | |
859 | store_temp_max_hyst, 0), | |
860 | SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst, | |
861 | store_temp_max_hyst, 1), | |
a4589dbb JD |
862 | SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4), |
863 | SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5), | |
864 | SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13), | |
412fec82 | 865 | }; |
08e7e278 | 866 | |
08c79950 RM |
867 | #define show_pwm_reg(reg) \ |
868 | static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \ | |
869 | char *buf) \ | |
870 | { \ | |
871 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
872 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
873 | int nr = sensor_attr->index; \ | |
874 | return sprintf(buf, "%d\n", data->reg[nr]); \ | |
875 | } | |
876 | ||
877 | show_pwm_reg(pwm_mode) | |
878 | show_pwm_reg(pwm_enable) | |
879 | show_pwm_reg(pwm) | |
880 | ||
881 | static ssize_t | |
882 | store_pwm_mode(struct device *dev, struct device_attribute *attr, | |
883 | const char *buf, size_t count) | |
884 | { | |
885 | struct i2c_client *client = to_i2c_client(dev); | |
886 | struct w83627ehf_data *data = i2c_get_clientdata(client); | |
887 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
888 | int nr = sensor_attr->index; | |
889 | u32 val = simple_strtoul(buf, NULL, 10); | |
890 | u16 reg; | |
891 | ||
892 | if (val > 1) | |
893 | return -EINVAL; | |
894 | mutex_lock(&data->update_lock); | |
895 | reg = w83627ehf_read_value(client, W83627EHF_REG_PWM_ENABLE[nr]); | |
896 | data->pwm_mode[nr] = val; | |
897 | reg &= ~(1 << W83627EHF_PWM_MODE_SHIFT[nr]); | |
898 | if (!val) | |
899 | reg |= 1 << W83627EHF_PWM_MODE_SHIFT[nr]; | |
900 | w83627ehf_write_value(client, W83627EHF_REG_PWM_ENABLE[nr], reg); | |
901 | mutex_unlock(&data->update_lock); | |
902 | return count; | |
903 | } | |
904 | ||
905 | static ssize_t | |
906 | store_pwm(struct device *dev, struct device_attribute *attr, | |
907 | const char *buf, size_t count) | |
908 | { | |
909 | struct i2c_client *client = to_i2c_client(dev); | |
910 | struct w83627ehf_data *data = i2c_get_clientdata(client); | |
911 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
912 | int nr = sensor_attr->index; | |
913 | u32 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255); | |
914 | ||
915 | mutex_lock(&data->update_lock); | |
916 | data->pwm[nr] = val; | |
917 | w83627ehf_write_value(client, W83627EHF_REG_PWM[nr], val); | |
918 | mutex_unlock(&data->update_lock); | |
919 | return count; | |
920 | } | |
921 | ||
922 | static ssize_t | |
923 | store_pwm_enable(struct device *dev, struct device_attribute *attr, | |
924 | const char *buf, size_t count) | |
925 | { | |
926 | struct i2c_client *client = to_i2c_client(dev); | |
927 | struct w83627ehf_data *data = i2c_get_clientdata(client); | |
928 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
929 | int nr = sensor_attr->index; | |
930 | u32 val = simple_strtoul(buf, NULL, 10); | |
931 | u16 reg; | |
932 | ||
933 | if (!val || (val > 2)) /* only modes 1 and 2 are supported */ | |
934 | return -EINVAL; | |
935 | mutex_lock(&data->update_lock); | |
936 | reg = w83627ehf_read_value(client, W83627EHF_REG_PWM_ENABLE[nr]); | |
937 | data->pwm_enable[nr] = val; | |
938 | reg &= ~(0x03 << W83627EHF_PWM_ENABLE_SHIFT[nr]); | |
939 | reg |= (val - 1) << W83627EHF_PWM_ENABLE_SHIFT[nr]; | |
940 | w83627ehf_write_value(client, W83627EHF_REG_PWM_ENABLE[nr], reg); | |
941 | mutex_unlock(&data->update_lock); | |
942 | return count; | |
943 | } | |
944 | ||
945 | ||
946 | #define show_tol_temp(reg) \ | |
947 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ | |
948 | char *buf) \ | |
949 | { \ | |
950 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
951 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
952 | int nr = sensor_attr->index; \ | |
953 | return sprintf(buf, "%d\n", temp1_from_reg(data->reg[nr])); \ | |
954 | } | |
955 | ||
956 | show_tol_temp(tolerance) | |
957 | show_tol_temp(target_temp) | |
958 | ||
959 | static ssize_t | |
960 | store_target_temp(struct device *dev, struct device_attribute *attr, | |
961 | const char *buf, size_t count) | |
962 | { | |
963 | struct i2c_client *client = to_i2c_client(dev); | |
964 | struct w83627ehf_data *data = i2c_get_clientdata(client); | |
965 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
966 | int nr = sensor_attr->index; | |
967 | u8 val = temp1_to_reg(simple_strtoul(buf, NULL, 10), 0, 127000); | |
968 | ||
969 | mutex_lock(&data->update_lock); | |
970 | data->target_temp[nr] = val; | |
971 | w83627ehf_write_value(client, W83627EHF_REG_TARGET[nr], val); | |
972 | mutex_unlock(&data->update_lock); | |
973 | return count; | |
974 | } | |
975 | ||
976 | static ssize_t | |
977 | store_tolerance(struct device *dev, struct device_attribute *attr, | |
978 | const char *buf, size_t count) | |
979 | { | |
980 | struct i2c_client *client = to_i2c_client(dev); | |
981 | struct w83627ehf_data *data = i2c_get_clientdata(client); | |
982 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
983 | int nr = sensor_attr->index; | |
984 | u16 reg; | |
985 | /* Limit the temp to 0C - 15C */ | |
986 | u8 val = temp1_to_reg(simple_strtoul(buf, NULL, 10), 0, 15000); | |
987 | ||
988 | mutex_lock(&data->update_lock); | |
989 | reg = w83627ehf_read_value(client, W83627EHF_REG_TOLERANCE[nr]); | |
990 | data->tolerance[nr] = val; | |
991 | if (nr == 1) | |
992 | reg = (reg & 0x0f) | (val << 4); | |
993 | else | |
994 | reg = (reg & 0xf0) | val; | |
995 | w83627ehf_write_value(client, W83627EHF_REG_TOLERANCE[nr], reg); | |
996 | mutex_unlock(&data->update_lock); | |
997 | return count; | |
998 | } | |
999 | ||
1000 | static struct sensor_device_attribute sda_pwm[] = { | |
1001 | SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0), | |
1002 | SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1), | |
1003 | SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2), | |
1004 | SENSOR_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3), | |
1005 | }; | |
1006 | ||
1007 | static struct sensor_device_attribute sda_pwm_mode[] = { | |
1008 | SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, show_pwm_mode, | |
1009 | store_pwm_mode, 0), | |
1010 | SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, show_pwm_mode, | |
1011 | store_pwm_mode, 1), | |
1012 | SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, show_pwm_mode, | |
1013 | store_pwm_mode, 2), | |
1014 | SENSOR_ATTR(pwm4_mode, S_IWUSR | S_IRUGO, show_pwm_mode, | |
1015 | store_pwm_mode, 3), | |
1016 | }; | |
1017 | ||
1018 | static struct sensor_device_attribute sda_pwm_enable[] = { | |
1019 | SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_enable, | |
1020 | store_pwm_enable, 0), | |
1021 | SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_enable, | |
1022 | store_pwm_enable, 1), | |
1023 | SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_enable, | |
1024 | store_pwm_enable, 2), | |
1025 | SENSOR_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_enable, | |
1026 | store_pwm_enable, 3), | |
1027 | }; | |
1028 | ||
1029 | static struct sensor_device_attribute sda_target_temp[] = { | |
1030 | SENSOR_ATTR(pwm1_target, S_IWUSR | S_IRUGO, show_target_temp, | |
1031 | store_target_temp, 0), | |
1032 | SENSOR_ATTR(pwm2_target, S_IWUSR | S_IRUGO, show_target_temp, | |
1033 | store_target_temp, 1), | |
1034 | SENSOR_ATTR(pwm3_target, S_IWUSR | S_IRUGO, show_target_temp, | |
1035 | store_target_temp, 2), | |
1036 | SENSOR_ATTR(pwm4_target, S_IWUSR | S_IRUGO, show_target_temp, | |
1037 | store_target_temp, 3), | |
1038 | }; | |
1039 | ||
1040 | static struct sensor_device_attribute sda_tolerance[] = { | |
1041 | SENSOR_ATTR(pwm1_tolerance, S_IWUSR | S_IRUGO, show_tolerance, | |
1042 | store_tolerance, 0), | |
1043 | SENSOR_ATTR(pwm2_tolerance, S_IWUSR | S_IRUGO, show_tolerance, | |
1044 | store_tolerance, 1), | |
1045 | SENSOR_ATTR(pwm3_tolerance, S_IWUSR | S_IRUGO, show_tolerance, | |
1046 | store_tolerance, 2), | |
1047 | SENSOR_ATTR(pwm4_tolerance, S_IWUSR | S_IRUGO, show_tolerance, | |
1048 | store_tolerance, 3), | |
1049 | }; | |
1050 | ||
08c79950 RM |
1051 | /* Smart Fan registers */ |
1052 | ||
1053 | #define fan_functions(reg, REG) \ | |
1054 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ | |
1055 | char *buf) \ | |
1056 | { \ | |
1057 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
1058 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
1059 | int nr = sensor_attr->index; \ | |
1060 | return sprintf(buf, "%d\n", data->reg[nr]); \ | |
1061 | }\ | |
1062 | static ssize_t \ | |
1063 | store_##reg(struct device *dev, struct device_attribute *attr, \ | |
1064 | const char *buf, size_t count) \ | |
1065 | {\ | |
1066 | struct i2c_client *client = to_i2c_client(dev); \ | |
1067 | struct w83627ehf_data *data = i2c_get_clientdata(client); \ | |
1068 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
1069 | int nr = sensor_attr->index; \ | |
1070 | u32 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 1, 255); \ | |
1071 | mutex_lock(&data->update_lock); \ | |
1072 | data->reg[nr] = val; \ | |
1073 | w83627ehf_write_value(client, W83627EHF_REG_##REG[nr], val); \ | |
1074 | mutex_unlock(&data->update_lock); \ | |
1075 | return count; \ | |
1076 | } | |
1077 | ||
1078 | fan_functions(fan_min_output, FAN_MIN_OUTPUT) | |
1079 | ||
1080 | #define fan_time_functions(reg, REG) \ | |
1081 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ | |
1082 | char *buf) \ | |
1083 | { \ | |
1084 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
1085 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
1086 | int nr = sensor_attr->index; \ | |
1087 | return sprintf(buf, "%d\n", \ | |
1088 | step_time_from_reg(data->reg[nr], data->pwm_mode[nr])); \ | |
1089 | } \ | |
1090 | \ | |
1091 | static ssize_t \ | |
1092 | store_##reg(struct device *dev, struct device_attribute *attr, \ | |
1093 | const char *buf, size_t count) \ | |
1094 | { \ | |
1095 | struct i2c_client *client = to_i2c_client(dev); \ | |
1096 | struct w83627ehf_data *data = i2c_get_clientdata(client); \ | |
1097 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
1098 | int nr = sensor_attr->index; \ | |
1099 | u8 val = step_time_to_reg(simple_strtoul(buf, NULL, 10), \ | |
1100 | data->pwm_mode[nr]); \ | |
1101 | mutex_lock(&data->update_lock); \ | |
1102 | data->reg[nr] = val; \ | |
1103 | w83627ehf_write_value(client, W83627EHF_REG_##REG[nr], val); \ | |
1104 | mutex_unlock(&data->update_lock); \ | |
1105 | return count; \ | |
1106 | } \ | |
1107 | ||
1108 | fan_time_functions(fan_stop_time, FAN_STOP_TIME) | |
1109 | ||
1110 | ||
1111 | static struct sensor_device_attribute sda_sf3_arrays_fan4[] = { | |
1112 | SENSOR_ATTR(pwm4_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, | |
1113 | store_fan_stop_time, 3), | |
1114 | SENSOR_ATTR(pwm4_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, | |
1115 | store_fan_min_output, 3), | |
1116 | }; | |
1117 | ||
1118 | static struct sensor_device_attribute sda_sf3_arrays[] = { | |
1119 | SENSOR_ATTR(pwm1_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, | |
1120 | store_fan_stop_time, 0), | |
1121 | SENSOR_ATTR(pwm2_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, | |
1122 | store_fan_stop_time, 1), | |
1123 | SENSOR_ATTR(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, | |
1124 | store_fan_stop_time, 2), | |
1125 | SENSOR_ATTR(pwm1_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, | |
1126 | store_fan_min_output, 0), | |
1127 | SENSOR_ATTR(pwm2_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, | |
1128 | store_fan_min_output, 1), | |
1129 | SENSOR_ATTR(pwm3_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, | |
1130 | store_fan_min_output, 2), | |
1131 | }; | |
1132 | ||
08e7e278 JD |
1133 | /* |
1134 | * Driver and client management | |
1135 | */ | |
1136 | ||
c18beb5b DH |
1137 | static void w83627ehf_device_remove_files(struct device *dev) |
1138 | { | |
1139 | /* some entries in the following arrays may not have been used in | |
1140 | * device_create_file(), but device_remove_file() will ignore them */ | |
1141 | int i; | |
1142 | ||
1143 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) | |
1144 | device_remove_file(dev, &sda_sf3_arrays[i].dev_attr); | |
1145 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) | |
1146 | device_remove_file(dev, &sda_sf3_arrays_fan4[i].dev_attr); | |
657c93b1 | 1147 | for (i = 0; i < w83627ehf_num_in; i++) { |
c18beb5b DH |
1148 | device_remove_file(dev, &sda_in_input[i].dev_attr); |
1149 | device_remove_file(dev, &sda_in_alarm[i].dev_attr); | |
1150 | device_remove_file(dev, &sda_in_min[i].dev_attr); | |
1151 | device_remove_file(dev, &sda_in_max[i].dev_attr); | |
1152 | } | |
1153 | for (i = 0; i < 5; i++) { | |
1154 | device_remove_file(dev, &sda_fan_input[i].dev_attr); | |
1155 | device_remove_file(dev, &sda_fan_alarm[i].dev_attr); | |
1156 | device_remove_file(dev, &sda_fan_div[i].dev_attr); | |
1157 | device_remove_file(dev, &sda_fan_min[i].dev_attr); | |
1158 | } | |
1159 | for (i = 0; i < 4; i++) { | |
1160 | device_remove_file(dev, &sda_pwm[i].dev_attr); | |
1161 | device_remove_file(dev, &sda_pwm_mode[i].dev_attr); | |
1162 | device_remove_file(dev, &sda_pwm_enable[i].dev_attr); | |
1163 | device_remove_file(dev, &sda_target_temp[i].dev_attr); | |
1164 | device_remove_file(dev, &sda_tolerance[i].dev_attr); | |
1165 | } | |
1166 | for (i = 0; i < ARRAY_SIZE(sda_temp); i++) | |
1167 | device_remove_file(dev, &sda_temp[i].dev_attr); | |
1168 | } | |
1169 | ||
08e7e278 JD |
1170 | static struct i2c_driver w83627ehf_driver; |
1171 | ||
1172 | static void w83627ehf_init_client(struct i2c_client *client) | |
1173 | { | |
1174 | int i; | |
1175 | u8 tmp; | |
1176 | ||
1177 | /* Start monitoring is needed */ | |
1178 | tmp = w83627ehf_read_value(client, W83627EHF_REG_CONFIG); | |
1179 | if (!(tmp & 0x01)) | |
1180 | w83627ehf_write_value(client, W83627EHF_REG_CONFIG, | |
1181 | tmp | 0x01); | |
1182 | ||
1183 | /* Enable temp2 and temp3 if needed */ | |
1184 | for (i = 0; i < 2; i++) { | |
1185 | tmp = w83627ehf_read_value(client, | |
1186 | W83627EHF_REG_TEMP_CONFIG[i]); | |
1187 | if (tmp & 0x01) | |
1188 | w83627ehf_write_value(client, | |
1189 | W83627EHF_REG_TEMP_CONFIG[i], | |
1190 | tmp & 0xfe); | |
1191 | } | |
1192 | } | |
1193 | ||
2d8672c5 | 1194 | static int w83627ehf_detect(struct i2c_adapter *adapter) |
08e7e278 JD |
1195 | { |
1196 | struct i2c_client *client; | |
1197 | struct w83627ehf_data *data; | |
412fec82 | 1198 | struct device *dev; |
08c79950 | 1199 | u8 fan4pin, fan5pin; |
08e7e278 JD |
1200 | int i, err = 0; |
1201 | ||
1a641fce | 1202 | if (!request_region(address + IOREGION_OFFSET, IOREGION_LENGTH, |
cdaf7934 | 1203 | w83627ehf_driver.driver.name)) { |
08e7e278 JD |
1204 | err = -EBUSY; |
1205 | goto exit; | |
1206 | } | |
1207 | ||
ba9c2e8d | 1208 | if (!(data = kzalloc(sizeof(struct w83627ehf_data), GFP_KERNEL))) { |
08e7e278 JD |
1209 | err = -ENOMEM; |
1210 | goto exit_release; | |
1211 | } | |
08e7e278 JD |
1212 | |
1213 | client = &data->client; | |
1214 | i2c_set_clientdata(client, data); | |
1215 | client->addr = address; | |
9a61bf63 | 1216 | mutex_init(&data->lock); |
08e7e278 JD |
1217 | client->adapter = adapter; |
1218 | client->driver = &w83627ehf_driver; | |
1219 | client->flags = 0; | |
412fec82 | 1220 | dev = &client->dev; |
08e7e278 | 1221 | |
657c93b1 DH |
1222 | if (w83627ehf_num_in == 9) |
1223 | strlcpy(client->name, "w83627dhg", I2C_NAME_SIZE); | |
1224 | else /* just say ehf. 627EHG is 627EHF in lead-free packaging. */ | |
1225 | strlcpy(client->name, "w83627ehf", I2C_NAME_SIZE); | |
1226 | ||
08e7e278 | 1227 | data->valid = 0; |
9a61bf63 | 1228 | mutex_init(&data->update_lock); |
08e7e278 JD |
1229 | |
1230 | /* Tell the i2c layer a new client has arrived */ | |
1231 | if ((err = i2c_attach_client(client))) | |
1232 | goto exit_free; | |
1233 | ||
1234 | /* Initialize the chip */ | |
1235 | w83627ehf_init_client(client); | |
1236 | ||
1237 | /* A few vars need to be filled upon startup */ | |
1238 | for (i = 0; i < 5; i++) | |
1239 | data->fan_min[i] = w83627ehf_read_value(client, | |
1240 | W83627EHF_REG_FAN_MIN[i]); | |
1241 | ||
08c79950 RM |
1242 | /* fan4 and fan5 share some pins with the GPIO and serial flash */ |
1243 | ||
1244 | superio_enter(); | |
1245 | fan5pin = superio_inb(0x24) & 0x2; | |
1246 | fan4pin = superio_inb(0x29) & 0x6; | |
1247 | superio_exit(); | |
1248 | ||
08e7e278 | 1249 | /* It looks like fan4 and fan5 pins can be alternatively used |
14992c7e RM |
1250 | as fan on/off switches, but fan5 control is write only :/ |
1251 | We assume that if the serial interface is disabled, designers | |
1252 | connected fan5 as input unless they are emitting log 1, which | |
1253 | is not the default. */ | |
08c79950 | 1254 | |
08e7e278 JD |
1255 | data->has_fan = 0x07; /* fan1, fan2 and fan3 */ |
1256 | i = w83627ehf_read_value(client, W83627EHF_REG_FANDIV1); | |
08c79950 | 1257 | if ((i & (1 << 2)) && (!fan4pin)) |
08e7e278 | 1258 | data->has_fan |= (1 << 3); |
14992c7e | 1259 | if (!(i & (1 << 1)) && (!fan5pin)) |
08e7e278 JD |
1260 | data->has_fan |= (1 << 4); |
1261 | ||
1262 | /* Register sysfs hooks */ | |
08c79950 | 1263 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) |
c18beb5b DH |
1264 | if ((err = device_create_file(dev, |
1265 | &sda_sf3_arrays[i].dev_attr))) | |
1266 | goto exit_remove; | |
08c79950 RM |
1267 | |
1268 | /* if fan4 is enabled create the sf3 files for it */ | |
1269 | if (data->has_fan & (1 << 3)) | |
c18beb5b DH |
1270 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) { |
1271 | if ((err = device_create_file(dev, | |
1272 | &sda_sf3_arrays_fan4[i].dev_attr))) | |
1273 | goto exit_remove; | |
1274 | } | |
08c79950 | 1275 | |
657c93b1 | 1276 | for (i = 0; i < w83627ehf_num_in; i++) |
c18beb5b DH |
1277 | if ((err = device_create_file(dev, &sda_in_input[i].dev_attr)) |
1278 | || (err = device_create_file(dev, | |
1279 | &sda_in_alarm[i].dev_attr)) | |
1280 | || (err = device_create_file(dev, | |
1281 | &sda_in_min[i].dev_attr)) | |
1282 | || (err = device_create_file(dev, | |
1283 | &sda_in_max[i].dev_attr))) | |
1284 | goto exit_remove; | |
cf0676fe | 1285 | |
412fec82 | 1286 | for (i = 0; i < 5; i++) { |
08c79950 | 1287 | if (data->has_fan & (1 << i)) { |
c18beb5b DH |
1288 | if ((err = device_create_file(dev, |
1289 | &sda_fan_input[i].dev_attr)) | |
1290 | || (err = device_create_file(dev, | |
1291 | &sda_fan_alarm[i].dev_attr)) | |
1292 | || (err = device_create_file(dev, | |
1293 | &sda_fan_div[i].dev_attr)) | |
1294 | || (err = device_create_file(dev, | |
1295 | &sda_fan_min[i].dev_attr))) | |
1296 | goto exit_remove; | |
1297 | if (i < 4 && /* w83627ehf only has 4 pwm */ | |
1298 | ((err = device_create_file(dev, | |
1299 | &sda_pwm[i].dev_attr)) | |
1300 | || (err = device_create_file(dev, | |
1301 | &sda_pwm_mode[i].dev_attr)) | |
1302 | || (err = device_create_file(dev, | |
1303 | &sda_pwm_enable[i].dev_attr)) | |
1304 | || (err = device_create_file(dev, | |
1305 | &sda_target_temp[i].dev_attr)) | |
1306 | || (err = device_create_file(dev, | |
1307 | &sda_tolerance[i].dev_attr)))) | |
1308 | goto exit_remove; | |
08c79950 | 1309 | } |
08e7e278 | 1310 | } |
08c79950 | 1311 | |
412fec82 | 1312 | for (i = 0; i < ARRAY_SIZE(sda_temp); i++) |
c18beb5b DH |
1313 | if ((err = device_create_file(dev, &sda_temp[i].dev_attr))) |
1314 | goto exit_remove; | |
1315 | ||
1316 | data->class_dev = hwmon_device_register(dev); | |
1317 | if (IS_ERR(data->class_dev)) { | |
1318 | err = PTR_ERR(data->class_dev); | |
1319 | goto exit_remove; | |
1320 | } | |
08e7e278 JD |
1321 | |
1322 | return 0; | |
1323 | ||
c18beb5b DH |
1324 | exit_remove: |
1325 | w83627ehf_device_remove_files(dev); | |
943b0830 | 1326 | i2c_detach_client(client); |
08e7e278 JD |
1327 | exit_free: |
1328 | kfree(data); | |
1329 | exit_release: | |
1a641fce | 1330 | release_region(address + IOREGION_OFFSET, IOREGION_LENGTH); |
08e7e278 JD |
1331 | exit: |
1332 | return err; | |
1333 | } | |
1334 | ||
08e7e278 JD |
1335 | static int w83627ehf_detach_client(struct i2c_client *client) |
1336 | { | |
943b0830 | 1337 | struct w83627ehf_data *data = i2c_get_clientdata(client); |
08e7e278 JD |
1338 | int err; |
1339 | ||
943b0830 | 1340 | hwmon_device_unregister(data->class_dev); |
c18beb5b | 1341 | w83627ehf_device_remove_files(&client->dev); |
943b0830 | 1342 | |
7bef5594 | 1343 | if ((err = i2c_detach_client(client))) |
08e7e278 | 1344 | return err; |
1a641fce | 1345 | release_region(client->addr + IOREGION_OFFSET, IOREGION_LENGTH); |
943b0830 | 1346 | kfree(data); |
08e7e278 JD |
1347 | |
1348 | return 0; | |
1349 | } | |
1350 | ||
1351 | static struct i2c_driver w83627ehf_driver = { | |
cdaf7934 | 1352 | .driver = { |
87218842 | 1353 | .owner = THIS_MODULE, |
cdaf7934 LR |
1354 | .name = "w83627ehf", |
1355 | }, | |
2d8672c5 | 1356 | .attach_adapter = w83627ehf_detect, |
08e7e278 JD |
1357 | .detach_client = w83627ehf_detach_client, |
1358 | }; | |
1359 | ||
2d8672c5 | 1360 | static int __init w83627ehf_find(int sioaddr, unsigned short *addr) |
08e7e278 JD |
1361 | { |
1362 | u16 val; | |
1363 | ||
1364 | REG = sioaddr; | |
1365 | VAL = sioaddr + 1; | |
1366 | superio_enter(); | |
1367 | ||
1368 | val = (superio_inb(SIO_REG_DEVID) << 8) | |
1369 | | superio_inb(SIO_REG_DEVID + 1); | |
657c93b1 DH |
1370 | switch (val & SIO_ID_MASK) { |
1371 | case SIO_W83627DHG_ID: | |
1372 | w83627ehf_num_in = 9; | |
1373 | break; | |
1374 | case SIO_W83627EHF_ID: | |
1375 | case SIO_W83627EHG_ID: | |
1376 | w83627ehf_num_in = 10; | |
1377 | break; | |
1378 | default: | |
1379 | printk(KERN_WARNING "w83627ehf: unsupported chip ID: 0x%04x\n", | |
1380 | val); | |
08e7e278 JD |
1381 | superio_exit(); |
1382 | return -ENODEV; | |
1383 | } | |
1384 | ||
1385 | superio_select(W83627EHF_LD_HWM); | |
1386 | val = (superio_inb(SIO_REG_ADDR) << 8) | |
1387 | | superio_inb(SIO_REG_ADDR + 1); | |
1a641fce | 1388 | *addr = val & IOREGION_ALIGNMENT; |
2d8672c5 | 1389 | if (*addr == 0) { |
08e7e278 JD |
1390 | superio_exit(); |
1391 | return -ENODEV; | |
1392 | } | |
1393 | ||
1394 | /* Activate logical device if needed */ | |
1395 | val = superio_inb(SIO_REG_ENABLE); | |
1396 | if (!(val & 0x01)) | |
1397 | superio_outb(SIO_REG_ENABLE, val | 0x01); | |
1398 | ||
1399 | superio_exit(); | |
1400 | return 0; | |
1401 | } | |
1402 | ||
1403 | static int __init sensors_w83627ehf_init(void) | |
1404 | { | |
2d8672c5 JD |
1405 | if (w83627ehf_find(0x2e, &address) |
1406 | && w83627ehf_find(0x4e, &address)) | |
08e7e278 JD |
1407 | return -ENODEV; |
1408 | ||
fde09509 | 1409 | return i2c_isa_add_driver(&w83627ehf_driver); |
08e7e278 JD |
1410 | } |
1411 | ||
1412 | static void __exit sensors_w83627ehf_exit(void) | |
1413 | { | |
fde09509 | 1414 | i2c_isa_del_driver(&w83627ehf_driver); |
08e7e278 JD |
1415 | } |
1416 | ||
1417 | MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); | |
1418 | MODULE_DESCRIPTION("W83627EHF driver"); | |
1419 | MODULE_LICENSE("GPL"); | |
1420 | ||
1421 | module_init(sensors_w83627ehf_init); | |
1422 | module_exit(sensors_w83627ehf_exit); |