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Commit | Line | Data |
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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> | |
1ea6dd38 DH |
44 | #include <linux/jiffies.h> |
45 | #include <linux/platform_device.h> | |
943b0830 | 46 | #include <linux/hwmon.h> |
412fec82 | 47 | #include <linux/hwmon-sysfs.h> |
fc18d6c0 | 48 | #include <linux/hwmon-vid.h> |
943b0830 | 49 | #include <linux/err.h> |
9a61bf63 | 50 | #include <linux/mutex.h> |
08e7e278 JD |
51 | #include <asm/io.h> |
52 | #include "lm75.h" | |
53 | ||
1ea6dd38 | 54 | enum kinds { w83627ehf, w83627dhg }; |
08e7e278 | 55 | |
1ea6dd38 DH |
56 | /* used to set data->name = w83627ehf_device_names[data->sio_kind] */ |
57 | static const char * w83627ehf_device_names[] = { | |
58 | "w83627ehf", | |
59 | "w83627dhg", | |
60 | }; | |
61 | ||
62 | #define DRVNAME "w83627ehf" | |
08e7e278 | 63 | |
657c93b1 | 64 | /* |
1ea6dd38 | 65 | * Super-I/O constants and functions |
657c93b1 | 66 | */ |
08e7e278 JD |
67 | |
68 | #define W83627EHF_LD_HWM 0x0b | |
69 | ||
70 | #define SIO_REG_LDSEL 0x07 /* Logical device select */ | |
71 | #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ | |
fc18d6c0 | 72 | #define SIO_REG_EN_VRM10 0x2C /* GPIO3, GPIO4 selection */ |
08e7e278 JD |
73 | #define SIO_REG_ENABLE 0x30 /* Logical device enable */ |
74 | #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ | |
fc18d6c0 JD |
75 | #define SIO_REG_VID_CTRL 0xF0 /* VID control */ |
76 | #define SIO_REG_VID_DATA 0xF1 /* VID data */ | |
08e7e278 | 77 | |
657c93b1 DH |
78 | #define SIO_W83627EHF_ID 0x8850 |
79 | #define SIO_W83627EHG_ID 0x8860 | |
80 | #define SIO_W83627DHG_ID 0xa020 | |
81 | #define SIO_ID_MASK 0xFFF0 | |
08e7e278 JD |
82 | |
83 | static inline void | |
1ea6dd38 | 84 | superio_outb(int ioreg, int reg, int val) |
08e7e278 | 85 | { |
1ea6dd38 DH |
86 | outb(reg, ioreg); |
87 | outb(val, ioreg + 1); | |
08e7e278 JD |
88 | } |
89 | ||
90 | static inline int | |
1ea6dd38 | 91 | superio_inb(int ioreg, int reg) |
08e7e278 | 92 | { |
1ea6dd38 DH |
93 | outb(reg, ioreg); |
94 | return inb(ioreg + 1); | |
08e7e278 JD |
95 | } |
96 | ||
97 | static inline void | |
1ea6dd38 | 98 | superio_select(int ioreg, int ld) |
08e7e278 | 99 | { |
1ea6dd38 DH |
100 | outb(SIO_REG_LDSEL, ioreg); |
101 | outb(ld, ioreg + 1); | |
08e7e278 JD |
102 | } |
103 | ||
104 | static inline void | |
1ea6dd38 | 105 | superio_enter(int ioreg) |
08e7e278 | 106 | { |
1ea6dd38 DH |
107 | outb(0x87, ioreg); |
108 | outb(0x87, ioreg); | |
08e7e278 JD |
109 | } |
110 | ||
111 | static inline void | |
1ea6dd38 | 112 | superio_exit(int ioreg) |
08e7e278 | 113 | { |
1ea6dd38 DH |
114 | outb(0x02, ioreg); |
115 | outb(0x02, ioreg + 1); | |
08e7e278 JD |
116 | } |
117 | ||
118 | /* | |
119 | * ISA constants | |
120 | */ | |
121 | ||
1a641fce JD |
122 | #define IOREGION_ALIGNMENT ~7 |
123 | #define IOREGION_OFFSET 5 | |
124 | #define IOREGION_LENGTH 2 | |
1ea6dd38 DH |
125 | #define ADDR_REG_OFFSET 0 |
126 | #define DATA_REG_OFFSET 1 | |
08e7e278 JD |
127 | |
128 | #define W83627EHF_REG_BANK 0x4E | |
129 | #define W83627EHF_REG_CONFIG 0x40 | |
657c93b1 DH |
130 | |
131 | /* Not currently used: | |
132 | * REG_MAN_ID has the value 0x5ca3 for all supported chips. | |
133 | * REG_CHIP_ID == 0x88/0xa1/0xc1 depending on chip model. | |
134 | * REG_MAN_ID is at port 0x4f | |
135 | * REG_CHIP_ID is at port 0x58 */ | |
08e7e278 JD |
136 | |
137 | static const u16 W83627EHF_REG_FAN[] = { 0x28, 0x29, 0x2a, 0x3f, 0x553 }; | |
138 | static const u16 W83627EHF_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d, 0x3e, 0x55c }; | |
139 | ||
cf0676fe RM |
140 | /* The W83627EHF registers for nr=7,8,9 are in bank 5 */ |
141 | #define W83627EHF_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ | |
142 | (0x554 + (((nr) - 7) * 2))) | |
143 | #define W83627EHF_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ | |
144 | (0x555 + (((nr) - 7) * 2))) | |
145 | #define W83627EHF_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ | |
146 | (0x550 + (nr) - 7)) | |
147 | ||
08e7e278 JD |
148 | #define W83627EHF_REG_TEMP1 0x27 |
149 | #define W83627EHF_REG_TEMP1_HYST 0x3a | |
150 | #define W83627EHF_REG_TEMP1_OVER 0x39 | |
151 | static const u16 W83627EHF_REG_TEMP[] = { 0x150, 0x250 }; | |
152 | static const u16 W83627EHF_REG_TEMP_HYST[] = { 0x153, 0x253 }; | |
153 | static const u16 W83627EHF_REG_TEMP_OVER[] = { 0x155, 0x255 }; | |
154 | static const u16 W83627EHF_REG_TEMP_CONFIG[] = { 0x152, 0x252 }; | |
155 | ||
156 | /* Fan clock dividers are spread over the following five registers */ | |
157 | #define W83627EHF_REG_FANDIV1 0x47 | |
158 | #define W83627EHF_REG_FANDIV2 0x4B | |
159 | #define W83627EHF_REG_VBAT 0x5D | |
160 | #define W83627EHF_REG_DIODE 0x59 | |
161 | #define W83627EHF_REG_SMI_OVT 0x4C | |
162 | ||
a4589dbb JD |
163 | #define W83627EHF_REG_ALARM1 0x459 |
164 | #define W83627EHF_REG_ALARM2 0x45A | |
165 | #define W83627EHF_REG_ALARM3 0x45B | |
166 | ||
08c79950 RM |
167 | /* SmartFan registers */ |
168 | /* DC or PWM output fan configuration */ | |
169 | static const u8 W83627EHF_REG_PWM_ENABLE[] = { | |
170 | 0x04, /* SYS FAN0 output mode and PWM mode */ | |
171 | 0x04, /* CPU FAN0 output mode and PWM mode */ | |
172 | 0x12, /* AUX FAN mode */ | |
173 | 0x62, /* CPU fan1 mode */ | |
174 | }; | |
175 | ||
176 | static const u8 W83627EHF_PWM_MODE_SHIFT[] = { 0, 1, 0, 6 }; | |
177 | static const u8 W83627EHF_PWM_ENABLE_SHIFT[] = { 2, 4, 1, 4 }; | |
178 | ||
179 | /* FAN Duty Cycle, be used to control */ | |
180 | static const u8 W83627EHF_REG_PWM[] = { 0x01, 0x03, 0x11, 0x61 }; | |
181 | static const u8 W83627EHF_REG_TARGET[] = { 0x05, 0x06, 0x13, 0x63 }; | |
182 | static const u8 W83627EHF_REG_TOLERANCE[] = { 0x07, 0x07, 0x14, 0x62 }; | |
183 | ||
184 | ||
185 | /* Advanced Fan control, some values are common for all fans */ | |
186 | static const u8 W83627EHF_REG_FAN_MIN_OUTPUT[] = { 0x08, 0x09, 0x15, 0x64 }; | |
187 | static const u8 W83627EHF_REG_FAN_STOP_TIME[] = { 0x0C, 0x0D, 0x17, 0x66 }; | |
188 | ||
08e7e278 JD |
189 | /* |
190 | * Conversions | |
191 | */ | |
192 | ||
08c79950 RM |
193 | /* 1 is PWM mode, output in ms */ |
194 | static inline unsigned int step_time_from_reg(u8 reg, u8 mode) | |
195 | { | |
196 | return mode ? 100 * reg : 400 * reg; | |
197 | } | |
198 | ||
199 | static inline u8 step_time_to_reg(unsigned int msec, u8 mode) | |
200 | { | |
201 | return SENSORS_LIMIT((mode ? (msec + 50) / 100 : | |
202 | (msec + 200) / 400), 1, 255); | |
203 | } | |
204 | ||
08e7e278 JD |
205 | static inline unsigned int |
206 | fan_from_reg(u8 reg, unsigned int div) | |
207 | { | |
208 | if (reg == 0 || reg == 255) | |
209 | return 0; | |
210 | return 1350000U / (reg * div); | |
211 | } | |
212 | ||
213 | static inline unsigned int | |
214 | div_from_reg(u8 reg) | |
215 | { | |
216 | return 1 << reg; | |
217 | } | |
218 | ||
219 | static inline int | |
220 | temp1_from_reg(s8 reg) | |
221 | { | |
222 | return reg * 1000; | |
223 | } | |
224 | ||
225 | static inline s8 | |
08c79950 | 226 | temp1_to_reg(int temp, int min, int max) |
08e7e278 | 227 | { |
08c79950 RM |
228 | if (temp <= min) |
229 | return min / 1000; | |
230 | if (temp >= max) | |
231 | return max / 1000; | |
08e7e278 JD |
232 | if (temp < 0) |
233 | return (temp - 500) / 1000; | |
234 | return (temp + 500) / 1000; | |
235 | } | |
236 | ||
cf0676fe RM |
237 | /* Some of analog inputs have internal scaling (2x), 8mV is ADC LSB */ |
238 | ||
239 | static u8 scale_in[10] = { 8, 8, 16, 16, 8, 8, 8, 16, 16, 8 }; | |
240 | ||
241 | static inline long in_from_reg(u8 reg, u8 nr) | |
242 | { | |
243 | return reg * scale_in[nr]; | |
244 | } | |
245 | ||
246 | static inline u8 in_to_reg(u32 val, u8 nr) | |
247 | { | |
248 | return SENSORS_LIMIT(((val + (scale_in[nr] / 2)) / scale_in[nr]), 0, 255); | |
249 | } | |
250 | ||
08e7e278 JD |
251 | /* |
252 | * Data structures and manipulation thereof | |
253 | */ | |
254 | ||
255 | struct w83627ehf_data { | |
1ea6dd38 DH |
256 | int addr; /* IO base of hw monitor block */ |
257 | const char *name; | |
258 | ||
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 */ | |
1ea6dd38 | 267 | u8 in_num; /* number of in inputs we have */ |
cf0676fe RM |
268 | u8 in[10]; /* Register value */ |
269 | u8 in_max[10]; /* Register value */ | |
270 | u8 in_min[10]; /* Register value */ | |
08e7e278 JD |
271 | u8 fan[5]; |
272 | u8 fan_min[5]; | |
273 | u8 fan_div[5]; | |
274 | u8 has_fan; /* some fan inputs can be disabled */ | |
da667365 | 275 | u8 temp_type[3]; |
08e7e278 JD |
276 | s8 temp1; |
277 | s8 temp1_max; | |
278 | s8 temp1_max_hyst; | |
279 | s16 temp[2]; | |
280 | s16 temp_max[2]; | |
281 | s16 temp_max_hyst[2]; | |
a4589dbb | 282 | u32 alarms; |
08c79950 RM |
283 | |
284 | u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */ | |
285 | u8 pwm_enable[4]; /* 1->manual | |
286 | 2->thermal cruise (also called SmartFan I) */ | |
287 | u8 pwm[4]; | |
288 | u8 target_temp[4]; | |
289 | u8 tolerance[4]; | |
290 | ||
291 | u8 fan_min_output[4]; /* minimum fan speed */ | |
292 | u8 fan_stop_time[4]; | |
fc18d6c0 JD |
293 | |
294 | u8 vid; | |
295 | u8 vrm; | |
08e7e278 JD |
296 | }; |
297 | ||
1ea6dd38 DH |
298 | struct w83627ehf_sio_data { |
299 | int sioreg; | |
300 | enum kinds kind; | |
301 | }; | |
302 | ||
08e7e278 JD |
303 | static inline int is_word_sized(u16 reg) |
304 | { | |
305 | return (((reg & 0xff00) == 0x100 | |
306 | || (reg & 0xff00) == 0x200) | |
307 | && ((reg & 0x00ff) == 0x50 | |
308 | || (reg & 0x00ff) == 0x53 | |
309 | || (reg & 0x00ff) == 0x55)); | |
310 | } | |
311 | ||
312 | /* We assume that the default bank is 0, thus the following two functions do | |
313 | nothing for registers which live in bank 0. For others, they respectively | |
314 | set the bank register to the correct value (before the register is | |
315 | accessed), and back to 0 (afterwards). */ | |
1ea6dd38 | 316 | static inline void w83627ehf_set_bank(struct w83627ehf_data *data, u16 reg) |
08e7e278 JD |
317 | { |
318 | if (reg & 0xff00) { | |
1ea6dd38 DH |
319 | outb_p(W83627EHF_REG_BANK, data->addr + ADDR_REG_OFFSET); |
320 | outb_p(reg >> 8, data->addr + DATA_REG_OFFSET); | |
08e7e278 JD |
321 | } |
322 | } | |
323 | ||
1ea6dd38 | 324 | static inline void w83627ehf_reset_bank(struct w83627ehf_data *data, u16 reg) |
08e7e278 JD |
325 | { |
326 | if (reg & 0xff00) { | |
1ea6dd38 DH |
327 | outb_p(W83627EHF_REG_BANK, data->addr + ADDR_REG_OFFSET); |
328 | outb_p(0, data->addr + DATA_REG_OFFSET); | |
08e7e278 JD |
329 | } |
330 | } | |
331 | ||
1ea6dd38 | 332 | static u16 w83627ehf_read_value(struct w83627ehf_data *data, u16 reg) |
08e7e278 | 333 | { |
08e7e278 JD |
334 | int res, word_sized = is_word_sized(reg); |
335 | ||
9a61bf63 | 336 | mutex_lock(&data->lock); |
08e7e278 | 337 | |
1ea6dd38 DH |
338 | w83627ehf_set_bank(data, reg); |
339 | outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET); | |
340 | res = inb_p(data->addr + DATA_REG_OFFSET); | |
08e7e278 JD |
341 | if (word_sized) { |
342 | outb_p((reg & 0xff) + 1, | |
1ea6dd38 DH |
343 | data->addr + ADDR_REG_OFFSET); |
344 | res = (res << 8) + inb_p(data->addr + DATA_REG_OFFSET); | |
08e7e278 | 345 | } |
1ea6dd38 | 346 | w83627ehf_reset_bank(data, reg); |
08e7e278 | 347 | |
9a61bf63 | 348 | mutex_unlock(&data->lock); |
08e7e278 JD |
349 | |
350 | return res; | |
351 | } | |
352 | ||
1ea6dd38 | 353 | static int w83627ehf_write_value(struct w83627ehf_data *data, u16 reg, u16 value) |
08e7e278 | 354 | { |
08e7e278 JD |
355 | int word_sized = is_word_sized(reg); |
356 | ||
9a61bf63 | 357 | mutex_lock(&data->lock); |
08e7e278 | 358 | |
1ea6dd38 DH |
359 | w83627ehf_set_bank(data, reg); |
360 | outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET); | |
08e7e278 | 361 | if (word_sized) { |
1ea6dd38 | 362 | outb_p(value >> 8, data->addr + DATA_REG_OFFSET); |
08e7e278 | 363 | outb_p((reg & 0xff) + 1, |
1ea6dd38 | 364 | data->addr + ADDR_REG_OFFSET); |
08e7e278 | 365 | } |
1ea6dd38 DH |
366 | outb_p(value & 0xff, data->addr + DATA_REG_OFFSET); |
367 | w83627ehf_reset_bank(data, reg); | |
08e7e278 | 368 | |
9a61bf63 | 369 | mutex_unlock(&data->lock); |
08e7e278 JD |
370 | return 0; |
371 | } | |
372 | ||
373 | /* This function assumes that the caller holds data->update_lock */ | |
1ea6dd38 | 374 | static void w83627ehf_write_fan_div(struct w83627ehf_data *data, int nr) |
08e7e278 | 375 | { |
08e7e278 JD |
376 | u8 reg; |
377 | ||
378 | switch (nr) { | |
379 | case 0: | |
1ea6dd38 | 380 | reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV1) & 0xcf) |
08e7e278 | 381 | | ((data->fan_div[0] & 0x03) << 4); |
14992c7e RM |
382 | /* fan5 input control bit is write only, compute the value */ |
383 | reg |= (data->has_fan & (1 << 4)) ? 1 : 0; | |
1ea6dd38 DH |
384 | w83627ehf_write_value(data, W83627EHF_REG_FANDIV1, reg); |
385 | reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0xdf) | |
08e7e278 | 386 | | ((data->fan_div[0] & 0x04) << 3); |
1ea6dd38 | 387 | w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg); |
08e7e278 JD |
388 | break; |
389 | case 1: | |
1ea6dd38 | 390 | reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV1) & 0x3f) |
08e7e278 | 391 | | ((data->fan_div[1] & 0x03) << 6); |
14992c7e RM |
392 | /* fan5 input control bit is write only, compute the value */ |
393 | reg |= (data->has_fan & (1 << 4)) ? 1 : 0; | |
1ea6dd38 DH |
394 | w83627ehf_write_value(data, W83627EHF_REG_FANDIV1, reg); |
395 | reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0xbf) | |
08e7e278 | 396 | | ((data->fan_div[1] & 0x04) << 4); |
1ea6dd38 | 397 | w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg); |
08e7e278 JD |
398 | break; |
399 | case 2: | |
1ea6dd38 | 400 | reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV2) & 0x3f) |
08e7e278 | 401 | | ((data->fan_div[2] & 0x03) << 6); |
1ea6dd38 DH |
402 | w83627ehf_write_value(data, W83627EHF_REG_FANDIV2, reg); |
403 | reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0x7f) | |
08e7e278 | 404 | | ((data->fan_div[2] & 0x04) << 5); |
1ea6dd38 | 405 | w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg); |
08e7e278 JD |
406 | break; |
407 | case 3: | |
1ea6dd38 | 408 | reg = (w83627ehf_read_value(data, W83627EHF_REG_DIODE) & 0xfc) |
08e7e278 | 409 | | (data->fan_div[3] & 0x03); |
1ea6dd38 DH |
410 | w83627ehf_write_value(data, W83627EHF_REG_DIODE, reg); |
411 | reg = (w83627ehf_read_value(data, W83627EHF_REG_SMI_OVT) & 0x7f) | |
08e7e278 | 412 | | ((data->fan_div[3] & 0x04) << 5); |
1ea6dd38 | 413 | w83627ehf_write_value(data, W83627EHF_REG_SMI_OVT, reg); |
08e7e278 JD |
414 | break; |
415 | case 4: | |
1ea6dd38 | 416 | reg = (w83627ehf_read_value(data, W83627EHF_REG_DIODE) & 0x73) |
33725ad3 | 417 | | ((data->fan_div[4] & 0x03) << 2) |
08e7e278 | 418 | | ((data->fan_div[4] & 0x04) << 5); |
1ea6dd38 | 419 | w83627ehf_write_value(data, W83627EHF_REG_DIODE, reg); |
08e7e278 JD |
420 | break; |
421 | } | |
422 | } | |
423 | ||
424 | static struct w83627ehf_data *w83627ehf_update_device(struct device *dev) | |
425 | { | |
1ea6dd38 | 426 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
08c79950 | 427 | int pwmcfg = 0, tolerance = 0; /* shut up the compiler */ |
08e7e278 JD |
428 | int i; |
429 | ||
9a61bf63 | 430 | mutex_lock(&data->update_lock); |
08e7e278 | 431 | |
6b3e4645 | 432 | if (time_after(jiffies, data->last_updated + HZ + HZ/2) |
08e7e278 JD |
433 | || !data->valid) { |
434 | /* Fan clock dividers */ | |
1ea6dd38 | 435 | i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1); |
08e7e278 JD |
436 | data->fan_div[0] = (i >> 4) & 0x03; |
437 | data->fan_div[1] = (i >> 6) & 0x03; | |
1ea6dd38 | 438 | i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV2); |
08e7e278 | 439 | data->fan_div[2] = (i >> 6) & 0x03; |
1ea6dd38 | 440 | i = w83627ehf_read_value(data, W83627EHF_REG_VBAT); |
08e7e278 JD |
441 | data->fan_div[0] |= (i >> 3) & 0x04; |
442 | data->fan_div[1] |= (i >> 4) & 0x04; | |
443 | data->fan_div[2] |= (i >> 5) & 0x04; | |
444 | if (data->has_fan & ((1 << 3) | (1 << 4))) { | |
1ea6dd38 | 445 | i = w83627ehf_read_value(data, W83627EHF_REG_DIODE); |
08e7e278 JD |
446 | data->fan_div[3] = i & 0x03; |
447 | data->fan_div[4] = ((i >> 2) & 0x03) | |
448 | | ((i >> 5) & 0x04); | |
449 | } | |
450 | if (data->has_fan & (1 << 3)) { | |
1ea6dd38 | 451 | i = w83627ehf_read_value(data, W83627EHF_REG_SMI_OVT); |
08e7e278 JD |
452 | data->fan_div[3] |= (i >> 5) & 0x04; |
453 | } | |
454 | ||
cf0676fe | 455 | /* Measured voltages and limits */ |
1ea6dd38 DH |
456 | for (i = 0; i < data->in_num; i++) { |
457 | data->in[i] = w83627ehf_read_value(data, | |
cf0676fe | 458 | W83627EHF_REG_IN(i)); |
1ea6dd38 | 459 | data->in_min[i] = w83627ehf_read_value(data, |
cf0676fe | 460 | W83627EHF_REG_IN_MIN(i)); |
1ea6dd38 | 461 | data->in_max[i] = w83627ehf_read_value(data, |
cf0676fe RM |
462 | W83627EHF_REG_IN_MAX(i)); |
463 | } | |
464 | ||
08e7e278 JD |
465 | /* Measured fan speeds and limits */ |
466 | for (i = 0; i < 5; i++) { | |
467 | if (!(data->has_fan & (1 << i))) | |
468 | continue; | |
469 | ||
1ea6dd38 | 470 | data->fan[i] = w83627ehf_read_value(data, |
08e7e278 | 471 | W83627EHF_REG_FAN[i]); |
1ea6dd38 | 472 | data->fan_min[i] = w83627ehf_read_value(data, |
08e7e278 JD |
473 | W83627EHF_REG_FAN_MIN[i]); |
474 | ||
475 | /* If we failed to measure the fan speed and clock | |
476 | divider can be increased, let's try that for next | |
477 | time */ | |
478 | if (data->fan[i] == 0xff | |
479 | && data->fan_div[i] < 0x07) { | |
1ea6dd38 | 480 | dev_dbg(dev, "Increasing fan%d " |
08e7e278 | 481 | "clock divider from %u to %u\n", |
33725ad3 | 482 | i + 1, div_from_reg(data->fan_div[i]), |
08e7e278 JD |
483 | div_from_reg(data->fan_div[i] + 1)); |
484 | data->fan_div[i]++; | |
1ea6dd38 | 485 | w83627ehf_write_fan_div(data, i); |
08e7e278 JD |
486 | /* Preserve min limit if possible */ |
487 | if (data->fan_min[i] >= 2 | |
488 | && data->fan_min[i] != 255) | |
1ea6dd38 | 489 | w83627ehf_write_value(data, |
08e7e278 JD |
490 | W83627EHF_REG_FAN_MIN[i], |
491 | (data->fan_min[i] /= 2)); | |
492 | } | |
493 | } | |
494 | ||
08c79950 RM |
495 | for (i = 0; i < 4; i++) { |
496 | /* pwmcfg, tolarance mapped for i=0, i=1 to same reg */ | |
497 | if (i != 1) { | |
1ea6dd38 | 498 | pwmcfg = w83627ehf_read_value(data, |
08c79950 | 499 | W83627EHF_REG_PWM_ENABLE[i]); |
1ea6dd38 | 500 | tolerance = w83627ehf_read_value(data, |
08c79950 RM |
501 | W83627EHF_REG_TOLERANCE[i]); |
502 | } | |
503 | data->pwm_mode[i] = | |
504 | ((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1) | |
505 | ? 0 : 1; | |
506 | data->pwm_enable[i] = | |
507 | ((pwmcfg >> W83627EHF_PWM_ENABLE_SHIFT[i]) | |
508 | & 3) + 1; | |
1ea6dd38 | 509 | data->pwm[i] = w83627ehf_read_value(data, |
08c79950 | 510 | W83627EHF_REG_PWM[i]); |
1ea6dd38 | 511 | data->fan_min_output[i] = w83627ehf_read_value(data, |
08c79950 | 512 | W83627EHF_REG_FAN_MIN_OUTPUT[i]); |
1ea6dd38 | 513 | data->fan_stop_time[i] = w83627ehf_read_value(data, |
08c79950 RM |
514 | W83627EHF_REG_FAN_STOP_TIME[i]); |
515 | data->target_temp[i] = | |
1ea6dd38 | 516 | w83627ehf_read_value(data, |
08c79950 RM |
517 | W83627EHF_REG_TARGET[i]) & |
518 | (data->pwm_mode[i] == 1 ? 0x7f : 0xff); | |
519 | data->tolerance[i] = (tolerance >> (i == 1 ? 4 : 0)) | |
520 | & 0x0f; | |
521 | } | |
522 | ||
08e7e278 | 523 | /* Measured temperatures and limits */ |
1ea6dd38 | 524 | data->temp1 = w83627ehf_read_value(data, |
08e7e278 | 525 | W83627EHF_REG_TEMP1); |
1ea6dd38 | 526 | data->temp1_max = w83627ehf_read_value(data, |
08e7e278 | 527 | W83627EHF_REG_TEMP1_OVER); |
1ea6dd38 | 528 | data->temp1_max_hyst = w83627ehf_read_value(data, |
08e7e278 JD |
529 | W83627EHF_REG_TEMP1_HYST); |
530 | for (i = 0; i < 2; i++) { | |
1ea6dd38 | 531 | data->temp[i] = w83627ehf_read_value(data, |
08e7e278 | 532 | W83627EHF_REG_TEMP[i]); |
1ea6dd38 | 533 | data->temp_max[i] = w83627ehf_read_value(data, |
08e7e278 | 534 | W83627EHF_REG_TEMP_OVER[i]); |
1ea6dd38 | 535 | data->temp_max_hyst[i] = w83627ehf_read_value(data, |
08e7e278 JD |
536 | W83627EHF_REG_TEMP_HYST[i]); |
537 | } | |
538 | ||
1ea6dd38 | 539 | data->alarms = w83627ehf_read_value(data, |
a4589dbb | 540 | W83627EHF_REG_ALARM1) | |
1ea6dd38 | 541 | (w83627ehf_read_value(data, |
a4589dbb | 542 | W83627EHF_REG_ALARM2) << 8) | |
1ea6dd38 | 543 | (w83627ehf_read_value(data, |
a4589dbb JD |
544 | W83627EHF_REG_ALARM3) << 16); |
545 | ||
08e7e278 JD |
546 | data->last_updated = jiffies; |
547 | data->valid = 1; | |
548 | } | |
549 | ||
9a61bf63 | 550 | mutex_unlock(&data->update_lock); |
08e7e278 JD |
551 | return data; |
552 | } | |
553 | ||
554 | /* | |
555 | * Sysfs callback functions | |
556 | */ | |
cf0676fe RM |
557 | #define show_in_reg(reg) \ |
558 | static ssize_t \ | |
559 | show_##reg(struct device *dev, struct device_attribute *attr, \ | |
560 | char *buf) \ | |
561 | { \ | |
562 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
563 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
564 | int nr = sensor_attr->index; \ | |
565 | return sprintf(buf, "%ld\n", in_from_reg(data->reg[nr], nr)); \ | |
566 | } | |
567 | show_in_reg(in) | |
568 | show_in_reg(in_min) | |
569 | show_in_reg(in_max) | |
570 | ||
571 | #define store_in_reg(REG, reg) \ | |
572 | static ssize_t \ | |
573 | store_in_##reg (struct device *dev, struct device_attribute *attr, \ | |
574 | const char *buf, size_t count) \ | |
575 | { \ | |
1ea6dd38 | 576 | struct w83627ehf_data *data = dev_get_drvdata(dev); \ |
cf0676fe RM |
577 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
578 | int nr = sensor_attr->index; \ | |
579 | u32 val = simple_strtoul(buf, NULL, 10); \ | |
580 | \ | |
581 | mutex_lock(&data->update_lock); \ | |
582 | data->in_##reg[nr] = in_to_reg(val, nr); \ | |
1ea6dd38 | 583 | w83627ehf_write_value(data, W83627EHF_REG_IN_##REG(nr), \ |
cf0676fe RM |
584 | data->in_##reg[nr]); \ |
585 | mutex_unlock(&data->update_lock); \ | |
586 | return count; \ | |
587 | } | |
588 | ||
589 | store_in_reg(MIN, min) | |
590 | store_in_reg(MAX, max) | |
591 | ||
a4589dbb JD |
592 | static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, char *buf) |
593 | { | |
594 | struct w83627ehf_data *data = w83627ehf_update_device(dev); | |
595 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
596 | int nr = sensor_attr->index; | |
597 | return sprintf(buf, "%u\n", (data->alarms >> nr) & 0x01); | |
598 | } | |
599 | ||
cf0676fe RM |
600 | static struct sensor_device_attribute sda_in_input[] = { |
601 | SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), | |
602 | SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), | |
603 | SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), | |
604 | SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), | |
605 | SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), | |
606 | SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), | |
607 | SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), | |
608 | SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), | |
609 | SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), | |
610 | SENSOR_ATTR(in9_input, S_IRUGO, show_in, NULL, 9), | |
611 | }; | |
612 | ||
a4589dbb JD |
613 | static struct sensor_device_attribute sda_in_alarm[] = { |
614 | SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0), | |
615 | SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1), | |
616 | SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2), | |
617 | SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3), | |
618 | SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8), | |
619 | SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 21), | |
620 | SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 20), | |
621 | SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16), | |
622 | SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17), | |
623 | SENSOR_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 19), | |
624 | }; | |
625 | ||
cf0676fe RM |
626 | static struct sensor_device_attribute sda_in_min[] = { |
627 | SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), | |
628 | SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), | |
629 | SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), | |
630 | SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), | |
631 | SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), | |
632 | SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), | |
633 | SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), | |
634 | SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), | |
635 | SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), | |
636 | SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 9), | |
637 | }; | |
638 | ||
639 | static struct sensor_device_attribute sda_in_max[] = { | |
640 | SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), | |
641 | SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), | |
642 | SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), | |
643 | SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), | |
644 | SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), | |
645 | SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), | |
646 | SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), | |
647 | SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), | |
648 | SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), | |
649 | SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9), | |
650 | }; | |
651 | ||
08e7e278 JD |
652 | #define show_fan_reg(reg) \ |
653 | static ssize_t \ | |
412fec82 YM |
654 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
655 | char *buf) \ | |
08e7e278 JD |
656 | { \ |
657 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
412fec82 YM |
658 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
659 | int nr = sensor_attr->index; \ | |
08e7e278 JD |
660 | return sprintf(buf, "%d\n", \ |
661 | fan_from_reg(data->reg[nr], \ | |
662 | div_from_reg(data->fan_div[nr]))); \ | |
663 | } | |
664 | show_fan_reg(fan); | |
665 | show_fan_reg(fan_min); | |
666 | ||
667 | static ssize_t | |
412fec82 YM |
668 | show_fan_div(struct device *dev, struct device_attribute *attr, |
669 | char *buf) | |
08e7e278 JD |
670 | { |
671 | struct w83627ehf_data *data = w83627ehf_update_device(dev); | |
412fec82 YM |
672 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
673 | int nr = sensor_attr->index; | |
674 | return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr])); | |
08e7e278 JD |
675 | } |
676 | ||
677 | static ssize_t | |
412fec82 YM |
678 | store_fan_min(struct device *dev, struct device_attribute *attr, |
679 | const char *buf, size_t count) | |
08e7e278 | 680 | { |
1ea6dd38 | 681 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
412fec82 YM |
682 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
683 | int nr = sensor_attr->index; | |
08e7e278 JD |
684 | unsigned int val = simple_strtoul(buf, NULL, 10); |
685 | unsigned int reg; | |
686 | u8 new_div; | |
687 | ||
9a61bf63 | 688 | mutex_lock(&data->update_lock); |
08e7e278 JD |
689 | if (!val) { |
690 | /* No min limit, alarm disabled */ | |
691 | data->fan_min[nr] = 255; | |
692 | new_div = data->fan_div[nr]; /* No change */ | |
693 | dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1); | |
694 | } else if ((reg = 1350000U / val) >= 128 * 255) { | |
695 | /* Speed below this value cannot possibly be represented, | |
696 | even with the highest divider (128) */ | |
697 | data->fan_min[nr] = 254; | |
698 | new_div = 7; /* 128 == (1 << 7) */ | |
699 | dev_warn(dev, "fan%u low limit %u below minimum %u, set to " | |
700 | "minimum\n", nr + 1, val, fan_from_reg(254, 128)); | |
701 | } else if (!reg) { | |
702 | /* Speed above this value cannot possibly be represented, | |
703 | even with the lowest divider (1) */ | |
704 | data->fan_min[nr] = 1; | |
705 | new_div = 0; /* 1 == (1 << 0) */ | |
706 | dev_warn(dev, "fan%u low limit %u above maximum %u, set to " | |
b9110b1c | 707 | "maximum\n", nr + 1, val, fan_from_reg(1, 1)); |
08e7e278 JD |
708 | } else { |
709 | /* Automatically pick the best divider, i.e. the one such | |
710 | that the min limit will correspond to a register value | |
711 | in the 96..192 range */ | |
712 | new_div = 0; | |
713 | while (reg > 192 && new_div < 7) { | |
714 | reg >>= 1; | |
715 | new_div++; | |
716 | } | |
717 | data->fan_min[nr] = reg; | |
718 | } | |
719 | ||
720 | /* Write both the fan clock divider (if it changed) and the new | |
721 | fan min (unconditionally) */ | |
722 | if (new_div != data->fan_div[nr]) { | |
158ce075 JD |
723 | /* Preserve the fan speed reading */ |
724 | if (data->fan[nr] != 0xff) { | |
725 | if (new_div > data->fan_div[nr]) | |
726 | data->fan[nr] >>= new_div - data->fan_div[nr]; | |
727 | else if (data->fan[nr] & 0x80) | |
728 | data->fan[nr] = 0xff; | |
729 | else | |
730 | data->fan[nr] <<= data->fan_div[nr] - new_div; | |
731 | } | |
08e7e278 JD |
732 | |
733 | dev_dbg(dev, "fan%u clock divider changed from %u to %u\n", | |
734 | nr + 1, div_from_reg(data->fan_div[nr]), | |
735 | div_from_reg(new_div)); | |
736 | data->fan_div[nr] = new_div; | |
1ea6dd38 | 737 | w83627ehf_write_fan_div(data, nr); |
6b3e4645 JD |
738 | /* Give the chip time to sample a new speed value */ |
739 | data->last_updated = jiffies; | |
08e7e278 | 740 | } |
1ea6dd38 | 741 | w83627ehf_write_value(data, W83627EHF_REG_FAN_MIN[nr], |
08e7e278 | 742 | data->fan_min[nr]); |
9a61bf63 | 743 | mutex_unlock(&data->update_lock); |
08e7e278 JD |
744 | |
745 | return count; | |
746 | } | |
747 | ||
412fec82 YM |
748 | static struct sensor_device_attribute sda_fan_input[] = { |
749 | SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0), | |
750 | SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1), | |
751 | SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2), | |
752 | SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3), | |
753 | SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4), | |
754 | }; | |
08e7e278 | 755 | |
a4589dbb JD |
756 | static struct sensor_device_attribute sda_fan_alarm[] = { |
757 | SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6), | |
758 | SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7), | |
759 | SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11), | |
760 | SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 10), | |
761 | SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 23), | |
762 | }; | |
763 | ||
412fec82 YM |
764 | static struct sensor_device_attribute sda_fan_min[] = { |
765 | SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, | |
766 | store_fan_min, 0), | |
767 | SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, | |
768 | store_fan_min, 1), | |
769 | SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, | |
770 | store_fan_min, 2), | |
771 | SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, | |
772 | store_fan_min, 3), | |
773 | SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, | |
774 | store_fan_min, 4), | |
775 | }; | |
08e7e278 | 776 | |
412fec82 YM |
777 | static struct sensor_device_attribute sda_fan_div[] = { |
778 | SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0), | |
779 | SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1), | |
780 | SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2), | |
781 | SENSOR_ATTR(fan4_div, S_IRUGO, show_fan_div, NULL, 3), | |
782 | SENSOR_ATTR(fan5_div, S_IRUGO, show_fan_div, NULL, 4), | |
783 | }; | |
784 | ||
08e7e278 JD |
785 | #define show_temp1_reg(reg) \ |
786 | static ssize_t \ | |
6f637a64 GKH |
787 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
788 | char *buf) \ | |
08e7e278 JD |
789 | { \ |
790 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
791 | return sprintf(buf, "%d\n", temp1_from_reg(data->reg)); \ | |
792 | } | |
793 | show_temp1_reg(temp1); | |
794 | show_temp1_reg(temp1_max); | |
795 | show_temp1_reg(temp1_max_hyst); | |
796 | ||
797 | #define store_temp1_reg(REG, reg) \ | |
798 | static ssize_t \ | |
6f637a64 GKH |
799 | store_temp1_##reg(struct device *dev, struct device_attribute *attr, \ |
800 | const char *buf, size_t count) \ | |
08e7e278 | 801 | { \ |
1ea6dd38 | 802 | struct w83627ehf_data *data = dev_get_drvdata(dev); \ |
08e7e278 JD |
803 | u32 val = simple_strtoul(buf, NULL, 10); \ |
804 | \ | |
9a61bf63 | 805 | mutex_lock(&data->update_lock); \ |
08c79950 | 806 | data->temp1_##reg = temp1_to_reg(val, -128000, 127000); \ |
1ea6dd38 | 807 | w83627ehf_write_value(data, W83627EHF_REG_TEMP1_##REG, \ |
08e7e278 | 808 | data->temp1_##reg); \ |
9a61bf63 | 809 | mutex_unlock(&data->update_lock); \ |
08e7e278 JD |
810 | return count; \ |
811 | } | |
812 | store_temp1_reg(OVER, max); | |
813 | store_temp1_reg(HYST, max_hyst); | |
814 | ||
08e7e278 JD |
815 | #define show_temp_reg(reg) \ |
816 | static ssize_t \ | |
412fec82 YM |
817 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
818 | char *buf) \ | |
08e7e278 JD |
819 | { \ |
820 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
412fec82 YM |
821 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
822 | int nr = sensor_attr->index; \ | |
08e7e278 JD |
823 | return sprintf(buf, "%d\n", \ |
824 | LM75_TEMP_FROM_REG(data->reg[nr])); \ | |
825 | } | |
826 | show_temp_reg(temp); | |
827 | show_temp_reg(temp_max); | |
828 | show_temp_reg(temp_max_hyst); | |
829 | ||
830 | #define store_temp_reg(REG, reg) \ | |
831 | static ssize_t \ | |
412fec82 YM |
832 | store_##reg(struct device *dev, struct device_attribute *attr, \ |
833 | const char *buf, size_t count) \ | |
08e7e278 | 834 | { \ |
1ea6dd38 | 835 | struct w83627ehf_data *data = dev_get_drvdata(dev); \ |
412fec82 YM |
836 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
837 | int nr = sensor_attr->index; \ | |
08e7e278 JD |
838 | u32 val = simple_strtoul(buf, NULL, 10); \ |
839 | \ | |
9a61bf63 | 840 | mutex_lock(&data->update_lock); \ |
08e7e278 | 841 | data->reg[nr] = LM75_TEMP_TO_REG(val); \ |
1ea6dd38 | 842 | w83627ehf_write_value(data, W83627EHF_REG_TEMP_##REG[nr], \ |
08e7e278 | 843 | data->reg[nr]); \ |
9a61bf63 | 844 | mutex_unlock(&data->update_lock); \ |
08e7e278 JD |
845 | return count; \ |
846 | } | |
847 | store_temp_reg(OVER, temp_max); | |
848 | store_temp_reg(HYST, temp_max_hyst); | |
849 | ||
da667365 JD |
850 | static ssize_t |
851 | show_temp_type(struct device *dev, struct device_attribute *attr, char *buf) | |
852 | { | |
853 | struct w83627ehf_data *data = w83627ehf_update_device(dev); | |
854 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); | |
855 | int nr = sensor_attr->index; | |
856 | return sprintf(buf, "%d\n", (int)data->temp_type[nr]); | |
857 | } | |
858 | ||
412fec82 YM |
859 | static struct sensor_device_attribute sda_temp[] = { |
860 | SENSOR_ATTR(temp1_input, S_IRUGO, show_temp1, NULL, 0), | |
861 | SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 0), | |
862 | SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 1), | |
863 | SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp1_max, | |
864 | store_temp1_max, 0), | |
865 | SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, show_temp_max, | |
866 | store_temp_max, 0), | |
867 | SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, show_temp_max, | |
868 | store_temp_max, 1), | |
869 | SENSOR_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1_max_hyst, | |
870 | store_temp1_max_hyst, 0), | |
871 | SENSOR_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst, | |
872 | store_temp_max_hyst, 0), | |
873 | SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst, | |
874 | store_temp_max_hyst, 1), | |
a4589dbb JD |
875 | SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4), |
876 | SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5), | |
877 | SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13), | |
da667365 JD |
878 | SENSOR_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0), |
879 | SENSOR_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1), | |
880 | SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2), | |
412fec82 | 881 | }; |
08e7e278 | 882 | |
08c79950 RM |
883 | #define show_pwm_reg(reg) \ |
884 | static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \ | |
885 | char *buf) \ | |
886 | { \ | |
887 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
888 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
889 | int nr = sensor_attr->index; \ | |
890 | return sprintf(buf, "%d\n", data->reg[nr]); \ | |
891 | } | |
892 | ||
893 | show_pwm_reg(pwm_mode) | |
894 | show_pwm_reg(pwm_enable) | |
895 | show_pwm_reg(pwm) | |
896 | ||
897 | static ssize_t | |
898 | store_pwm_mode(struct device *dev, struct device_attribute *attr, | |
899 | const char *buf, size_t count) | |
900 | { | |
1ea6dd38 | 901 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
08c79950 RM |
902 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
903 | int nr = sensor_attr->index; | |
904 | u32 val = simple_strtoul(buf, NULL, 10); | |
905 | u16 reg; | |
906 | ||
907 | if (val > 1) | |
908 | return -EINVAL; | |
909 | mutex_lock(&data->update_lock); | |
1ea6dd38 | 910 | reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]); |
08c79950 RM |
911 | data->pwm_mode[nr] = val; |
912 | reg &= ~(1 << W83627EHF_PWM_MODE_SHIFT[nr]); | |
913 | if (!val) | |
914 | reg |= 1 << W83627EHF_PWM_MODE_SHIFT[nr]; | |
1ea6dd38 | 915 | w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg); |
08c79950 RM |
916 | mutex_unlock(&data->update_lock); |
917 | return count; | |
918 | } | |
919 | ||
920 | static ssize_t | |
921 | store_pwm(struct device *dev, struct device_attribute *attr, | |
922 | const char *buf, size_t count) | |
923 | { | |
1ea6dd38 | 924 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
08c79950 RM |
925 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
926 | int nr = sensor_attr->index; | |
927 | u32 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255); | |
928 | ||
929 | mutex_lock(&data->update_lock); | |
930 | data->pwm[nr] = val; | |
1ea6dd38 | 931 | w83627ehf_write_value(data, W83627EHF_REG_PWM[nr], val); |
08c79950 RM |
932 | mutex_unlock(&data->update_lock); |
933 | return count; | |
934 | } | |
935 | ||
936 | static ssize_t | |
937 | store_pwm_enable(struct device *dev, struct device_attribute *attr, | |
938 | const char *buf, size_t count) | |
939 | { | |
1ea6dd38 | 940 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
08c79950 RM |
941 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
942 | int nr = sensor_attr->index; | |
943 | u32 val = simple_strtoul(buf, NULL, 10); | |
944 | u16 reg; | |
945 | ||
946 | if (!val || (val > 2)) /* only modes 1 and 2 are supported */ | |
947 | return -EINVAL; | |
948 | mutex_lock(&data->update_lock); | |
1ea6dd38 | 949 | reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]); |
08c79950 RM |
950 | data->pwm_enable[nr] = val; |
951 | reg &= ~(0x03 << W83627EHF_PWM_ENABLE_SHIFT[nr]); | |
952 | reg |= (val - 1) << W83627EHF_PWM_ENABLE_SHIFT[nr]; | |
1ea6dd38 | 953 | w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg); |
08c79950 RM |
954 | mutex_unlock(&data->update_lock); |
955 | return count; | |
956 | } | |
957 | ||
958 | ||
959 | #define show_tol_temp(reg) \ | |
960 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ | |
961 | char *buf) \ | |
962 | { \ | |
963 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
964 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
965 | int nr = sensor_attr->index; \ | |
966 | return sprintf(buf, "%d\n", temp1_from_reg(data->reg[nr])); \ | |
967 | } | |
968 | ||
969 | show_tol_temp(tolerance) | |
970 | show_tol_temp(target_temp) | |
971 | ||
972 | static ssize_t | |
973 | store_target_temp(struct device *dev, struct device_attribute *attr, | |
974 | const char *buf, size_t count) | |
975 | { | |
1ea6dd38 | 976 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
08c79950 RM |
977 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
978 | int nr = sensor_attr->index; | |
979 | u8 val = temp1_to_reg(simple_strtoul(buf, NULL, 10), 0, 127000); | |
980 | ||
981 | mutex_lock(&data->update_lock); | |
982 | data->target_temp[nr] = val; | |
1ea6dd38 | 983 | w83627ehf_write_value(data, W83627EHF_REG_TARGET[nr], val); |
08c79950 RM |
984 | mutex_unlock(&data->update_lock); |
985 | return count; | |
986 | } | |
987 | ||
988 | static ssize_t | |
989 | store_tolerance(struct device *dev, struct device_attribute *attr, | |
990 | const char *buf, size_t count) | |
991 | { | |
1ea6dd38 | 992 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
08c79950 RM |
993 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
994 | int nr = sensor_attr->index; | |
995 | u16 reg; | |
996 | /* Limit the temp to 0C - 15C */ | |
997 | u8 val = temp1_to_reg(simple_strtoul(buf, NULL, 10), 0, 15000); | |
998 | ||
999 | mutex_lock(&data->update_lock); | |
1ea6dd38 | 1000 | reg = w83627ehf_read_value(data, W83627EHF_REG_TOLERANCE[nr]); |
08c79950 RM |
1001 | data->tolerance[nr] = val; |
1002 | if (nr == 1) | |
1003 | reg = (reg & 0x0f) | (val << 4); | |
1004 | else | |
1005 | reg = (reg & 0xf0) | val; | |
1ea6dd38 | 1006 | w83627ehf_write_value(data, W83627EHF_REG_TOLERANCE[nr], reg); |
08c79950 RM |
1007 | mutex_unlock(&data->update_lock); |
1008 | return count; | |
1009 | } | |
1010 | ||
1011 | static struct sensor_device_attribute sda_pwm[] = { | |
1012 | SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0), | |
1013 | SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1), | |
1014 | SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2), | |
1015 | SENSOR_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3), | |
1016 | }; | |
1017 | ||
1018 | static struct sensor_device_attribute sda_pwm_mode[] = { | |
1019 | SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, show_pwm_mode, | |
1020 | store_pwm_mode, 0), | |
1021 | SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, show_pwm_mode, | |
1022 | store_pwm_mode, 1), | |
1023 | SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, show_pwm_mode, | |
1024 | store_pwm_mode, 2), | |
1025 | SENSOR_ATTR(pwm4_mode, S_IWUSR | S_IRUGO, show_pwm_mode, | |
1026 | store_pwm_mode, 3), | |
1027 | }; | |
1028 | ||
1029 | static struct sensor_device_attribute sda_pwm_enable[] = { | |
1030 | SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_enable, | |
1031 | store_pwm_enable, 0), | |
1032 | SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_enable, | |
1033 | store_pwm_enable, 1), | |
1034 | SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_enable, | |
1035 | store_pwm_enable, 2), | |
1036 | SENSOR_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_enable, | |
1037 | store_pwm_enable, 3), | |
1038 | }; | |
1039 | ||
1040 | static struct sensor_device_attribute sda_target_temp[] = { | |
1041 | SENSOR_ATTR(pwm1_target, S_IWUSR | S_IRUGO, show_target_temp, | |
1042 | store_target_temp, 0), | |
1043 | SENSOR_ATTR(pwm2_target, S_IWUSR | S_IRUGO, show_target_temp, | |
1044 | store_target_temp, 1), | |
1045 | SENSOR_ATTR(pwm3_target, S_IWUSR | S_IRUGO, show_target_temp, | |
1046 | store_target_temp, 2), | |
1047 | SENSOR_ATTR(pwm4_target, S_IWUSR | S_IRUGO, show_target_temp, | |
1048 | store_target_temp, 3), | |
1049 | }; | |
1050 | ||
1051 | static struct sensor_device_attribute sda_tolerance[] = { | |
1052 | SENSOR_ATTR(pwm1_tolerance, S_IWUSR | S_IRUGO, show_tolerance, | |
1053 | store_tolerance, 0), | |
1054 | SENSOR_ATTR(pwm2_tolerance, S_IWUSR | S_IRUGO, show_tolerance, | |
1055 | store_tolerance, 1), | |
1056 | SENSOR_ATTR(pwm3_tolerance, S_IWUSR | S_IRUGO, show_tolerance, | |
1057 | store_tolerance, 2), | |
1058 | SENSOR_ATTR(pwm4_tolerance, S_IWUSR | S_IRUGO, show_tolerance, | |
1059 | store_tolerance, 3), | |
1060 | }; | |
1061 | ||
08c79950 RM |
1062 | /* Smart Fan registers */ |
1063 | ||
1064 | #define fan_functions(reg, REG) \ | |
1065 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ | |
1066 | char *buf) \ | |
1067 | { \ | |
1068 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
1069 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
1070 | int nr = sensor_attr->index; \ | |
1071 | return sprintf(buf, "%d\n", data->reg[nr]); \ | |
1072 | }\ | |
1073 | static ssize_t \ | |
1074 | store_##reg(struct device *dev, struct device_attribute *attr, \ | |
1075 | const char *buf, size_t count) \ | |
1076 | {\ | |
1ea6dd38 | 1077 | struct w83627ehf_data *data = dev_get_drvdata(dev); \ |
08c79950 RM |
1078 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
1079 | int nr = sensor_attr->index; \ | |
1080 | u32 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 1, 255); \ | |
1081 | mutex_lock(&data->update_lock); \ | |
1082 | data->reg[nr] = val; \ | |
1ea6dd38 | 1083 | w83627ehf_write_value(data, W83627EHF_REG_##REG[nr], val); \ |
08c79950 RM |
1084 | mutex_unlock(&data->update_lock); \ |
1085 | return count; \ | |
1086 | } | |
1087 | ||
1088 | fan_functions(fan_min_output, FAN_MIN_OUTPUT) | |
1089 | ||
1090 | #define fan_time_functions(reg, REG) \ | |
1091 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ | |
1092 | char *buf) \ | |
1093 | { \ | |
1094 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ | |
1095 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ | |
1096 | int nr = sensor_attr->index; \ | |
1097 | return sprintf(buf, "%d\n", \ | |
1098 | step_time_from_reg(data->reg[nr], data->pwm_mode[nr])); \ | |
1099 | } \ | |
1100 | \ | |
1101 | static ssize_t \ | |
1102 | store_##reg(struct device *dev, struct device_attribute *attr, \ | |
1103 | const char *buf, size_t count) \ | |
1104 | { \ | |
1ea6dd38 | 1105 | struct w83627ehf_data *data = dev_get_drvdata(dev); \ |
08c79950 RM |
1106 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
1107 | int nr = sensor_attr->index; \ | |
1108 | u8 val = step_time_to_reg(simple_strtoul(buf, NULL, 10), \ | |
1109 | data->pwm_mode[nr]); \ | |
1110 | mutex_lock(&data->update_lock); \ | |
1111 | data->reg[nr] = val; \ | |
1ea6dd38 | 1112 | w83627ehf_write_value(data, W83627EHF_REG_##REG[nr], val); \ |
08c79950 RM |
1113 | mutex_unlock(&data->update_lock); \ |
1114 | return count; \ | |
1115 | } \ | |
1116 | ||
1117 | fan_time_functions(fan_stop_time, FAN_STOP_TIME) | |
1118 | ||
1ea6dd38 DH |
1119 | static ssize_t show_name(struct device *dev, struct device_attribute *attr, |
1120 | char *buf) | |
1121 | { | |
1122 | struct w83627ehf_data *data = dev_get_drvdata(dev); | |
1123 | ||
1124 | return sprintf(buf, "%s\n", data->name); | |
1125 | } | |
1126 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); | |
08c79950 RM |
1127 | |
1128 | static struct sensor_device_attribute sda_sf3_arrays_fan4[] = { | |
1129 | SENSOR_ATTR(pwm4_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, | |
1130 | store_fan_stop_time, 3), | |
1131 | SENSOR_ATTR(pwm4_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, | |
1132 | store_fan_min_output, 3), | |
1133 | }; | |
1134 | ||
1135 | static struct sensor_device_attribute sda_sf3_arrays[] = { | |
1136 | SENSOR_ATTR(pwm1_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, | |
1137 | store_fan_stop_time, 0), | |
1138 | SENSOR_ATTR(pwm2_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, | |
1139 | store_fan_stop_time, 1), | |
1140 | SENSOR_ATTR(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, | |
1141 | store_fan_stop_time, 2), | |
1142 | SENSOR_ATTR(pwm1_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, | |
1143 | store_fan_min_output, 0), | |
1144 | SENSOR_ATTR(pwm2_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, | |
1145 | store_fan_min_output, 1), | |
1146 | SENSOR_ATTR(pwm3_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, | |
1147 | store_fan_min_output, 2), | |
1148 | }; | |
1149 | ||
fc18d6c0 JD |
1150 | static ssize_t |
1151 | show_vid(struct device *dev, struct device_attribute *attr, char *buf) | |
1152 | { | |
1153 | struct w83627ehf_data *data = dev_get_drvdata(dev); | |
1154 | return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); | |
1155 | } | |
1156 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); | |
1157 | ||
08e7e278 | 1158 | /* |
1ea6dd38 | 1159 | * Driver and device management |
08e7e278 JD |
1160 | */ |
1161 | ||
c18beb5b DH |
1162 | static void w83627ehf_device_remove_files(struct device *dev) |
1163 | { | |
1164 | /* some entries in the following arrays may not have been used in | |
1165 | * device_create_file(), but device_remove_file() will ignore them */ | |
1166 | int i; | |
1ea6dd38 | 1167 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
c18beb5b DH |
1168 | |
1169 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) | |
1170 | device_remove_file(dev, &sda_sf3_arrays[i].dev_attr); | |
1171 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) | |
1172 | device_remove_file(dev, &sda_sf3_arrays_fan4[i].dev_attr); | |
1ea6dd38 | 1173 | for (i = 0; i < data->in_num; i++) { |
c18beb5b DH |
1174 | device_remove_file(dev, &sda_in_input[i].dev_attr); |
1175 | device_remove_file(dev, &sda_in_alarm[i].dev_attr); | |
1176 | device_remove_file(dev, &sda_in_min[i].dev_attr); | |
1177 | device_remove_file(dev, &sda_in_max[i].dev_attr); | |
1178 | } | |
1179 | for (i = 0; i < 5; i++) { | |
1180 | device_remove_file(dev, &sda_fan_input[i].dev_attr); | |
1181 | device_remove_file(dev, &sda_fan_alarm[i].dev_attr); | |
1182 | device_remove_file(dev, &sda_fan_div[i].dev_attr); | |
1183 | device_remove_file(dev, &sda_fan_min[i].dev_attr); | |
1184 | } | |
1185 | for (i = 0; i < 4; i++) { | |
1186 | device_remove_file(dev, &sda_pwm[i].dev_attr); | |
1187 | device_remove_file(dev, &sda_pwm_mode[i].dev_attr); | |
1188 | device_remove_file(dev, &sda_pwm_enable[i].dev_attr); | |
1189 | device_remove_file(dev, &sda_target_temp[i].dev_attr); | |
1190 | device_remove_file(dev, &sda_tolerance[i].dev_attr); | |
1191 | } | |
1192 | for (i = 0; i < ARRAY_SIZE(sda_temp); i++) | |
1193 | device_remove_file(dev, &sda_temp[i].dev_attr); | |
c18beb5b | 1194 | |
1ea6dd38 | 1195 | device_remove_file(dev, &dev_attr_name); |
fc18d6c0 JD |
1196 | if (data->vid != 0x3f) |
1197 | device_remove_file(dev, &dev_attr_cpu0_vid); | |
1ea6dd38 | 1198 | } |
08e7e278 | 1199 | |
1ea6dd38 DH |
1200 | /* Get the monitoring functions started */ |
1201 | static inline void __devinit w83627ehf_init_device(struct w83627ehf_data *data) | |
08e7e278 JD |
1202 | { |
1203 | int i; | |
da667365 | 1204 | u8 tmp, diode; |
08e7e278 JD |
1205 | |
1206 | /* Start monitoring is needed */ | |
1ea6dd38 | 1207 | tmp = w83627ehf_read_value(data, W83627EHF_REG_CONFIG); |
08e7e278 | 1208 | if (!(tmp & 0x01)) |
1ea6dd38 | 1209 | w83627ehf_write_value(data, W83627EHF_REG_CONFIG, |
08e7e278 JD |
1210 | tmp | 0x01); |
1211 | ||
1212 | /* Enable temp2 and temp3 if needed */ | |
1213 | for (i = 0; i < 2; i++) { | |
1ea6dd38 | 1214 | tmp = w83627ehf_read_value(data, |
08e7e278 JD |
1215 | W83627EHF_REG_TEMP_CONFIG[i]); |
1216 | if (tmp & 0x01) | |
1ea6dd38 | 1217 | w83627ehf_write_value(data, |
08e7e278 JD |
1218 | W83627EHF_REG_TEMP_CONFIG[i], |
1219 | tmp & 0xfe); | |
1220 | } | |
d3130f0e JD |
1221 | |
1222 | /* Enable VBAT monitoring if needed */ | |
1223 | tmp = w83627ehf_read_value(data, W83627EHF_REG_VBAT); | |
1224 | if (!(tmp & 0x01)) | |
1225 | w83627ehf_write_value(data, W83627EHF_REG_VBAT, tmp | 0x01); | |
da667365 JD |
1226 | |
1227 | /* Get thermal sensor types */ | |
1228 | diode = w83627ehf_read_value(data, W83627EHF_REG_DIODE); | |
1229 | for (i = 0; i < 3; i++) { | |
1230 | if ((tmp & (0x02 << i))) | |
1231 | data->temp_type[i] = (diode & (0x10 << i)) ? 1 : 2; | |
1232 | else | |
1233 | data->temp_type[i] = 4; /* thermistor */ | |
1234 | } | |
08e7e278 JD |
1235 | } |
1236 | ||
1ea6dd38 | 1237 | static int __devinit w83627ehf_probe(struct platform_device *pdev) |
08e7e278 | 1238 | { |
1ea6dd38 DH |
1239 | struct device *dev = &pdev->dev; |
1240 | struct w83627ehf_sio_data *sio_data = dev->platform_data; | |
08e7e278 | 1241 | struct w83627ehf_data *data; |
1ea6dd38 | 1242 | struct resource *res; |
fc18d6c0 | 1243 | u8 fan4pin, fan5pin, en_vrm10; |
08e7e278 JD |
1244 | int i, err = 0; |
1245 | ||
1ea6dd38 DH |
1246 | res = platform_get_resource(pdev, IORESOURCE_IO, 0); |
1247 | if (!request_region(res->start, IOREGION_LENGTH, DRVNAME)) { | |
08e7e278 | 1248 | err = -EBUSY; |
1ea6dd38 DH |
1249 | dev_err(dev, "Failed to request region 0x%lx-0x%lx\n", |
1250 | (unsigned long)res->start, | |
1251 | (unsigned long)res->start + IOREGION_LENGTH - 1); | |
08e7e278 JD |
1252 | goto exit; |
1253 | } | |
1254 | ||
ba9c2e8d | 1255 | if (!(data = kzalloc(sizeof(struct w83627ehf_data), GFP_KERNEL))) { |
08e7e278 JD |
1256 | err = -ENOMEM; |
1257 | goto exit_release; | |
1258 | } | |
08e7e278 | 1259 | |
1ea6dd38 | 1260 | data->addr = res->start; |
9a61bf63 | 1261 | mutex_init(&data->lock); |
9a61bf63 | 1262 | mutex_init(&data->update_lock); |
1ea6dd38 DH |
1263 | data->name = w83627ehf_device_names[sio_data->kind]; |
1264 | platform_set_drvdata(pdev, data); | |
08e7e278 | 1265 | |
1ea6dd38 DH |
1266 | /* 627EHG and 627EHF have 10 voltage inputs; DHG has 9 */ |
1267 | data->in_num = (sio_data->kind == w83627dhg) ? 9 : 10; | |
08e7e278 JD |
1268 | |
1269 | /* Initialize the chip */ | |
1ea6dd38 | 1270 | w83627ehf_init_device(data); |
08e7e278 | 1271 | |
fc18d6c0 JD |
1272 | data->vrm = vid_which_vrm(); |
1273 | superio_enter(sio_data->sioreg); | |
1274 | /* Set VID input sensibility if needed. In theory the BIOS should | |
1275 | have set it, but in practice it's not always the case. */ | |
1276 | en_vrm10 = superio_inb(sio_data->sioreg, SIO_REG_EN_VRM10); | |
1277 | if ((en_vrm10 & 0x08) && data->vrm != 100) { | |
1278 | dev_warn(dev, "Setting VID input voltage to TTL\n"); | |
1279 | superio_outb(sio_data->sioreg, SIO_REG_EN_VRM10, | |
1280 | en_vrm10 & ~0x08); | |
1281 | } else if (!(en_vrm10 & 0x08) && data->vrm == 100) { | |
1282 | dev_warn(dev, "Setting VID input voltage to VRM10\n"); | |
1283 | superio_outb(sio_data->sioreg, SIO_REG_EN_VRM10, | |
1284 | en_vrm10 | 0x08); | |
1285 | } | |
1286 | /* Read VID value */ | |
1287 | superio_select(sio_data->sioreg, W83627EHF_LD_HWM); | |
1288 | if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) | |
1289 | data->vid = superio_inb(sio_data->sioreg, SIO_REG_VID_DATA) & 0x3f; | |
1290 | else { | |
1291 | dev_info(dev, "VID pins in output mode, CPU VID not " | |
1292 | "available\n"); | |
1293 | data->vid = 0x3f; | |
1294 | } | |
1295 | ||
08c79950 RM |
1296 | /* fan4 and fan5 share some pins with the GPIO and serial flash */ |
1297 | ||
1ea6dd38 DH |
1298 | fan5pin = superio_inb(sio_data->sioreg, 0x24) & 0x2; |
1299 | fan4pin = superio_inb(sio_data->sioreg, 0x29) & 0x6; | |
1300 | superio_exit(sio_data->sioreg); | |
08c79950 | 1301 | |
08e7e278 | 1302 | /* It looks like fan4 and fan5 pins can be alternatively used |
14992c7e RM |
1303 | as fan on/off switches, but fan5 control is write only :/ |
1304 | We assume that if the serial interface is disabled, designers | |
1305 | connected fan5 as input unless they are emitting log 1, which | |
1306 | is not the default. */ | |
08c79950 | 1307 | |
08e7e278 | 1308 | data->has_fan = 0x07; /* fan1, fan2 and fan3 */ |
1ea6dd38 | 1309 | i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1); |
08c79950 | 1310 | if ((i & (1 << 2)) && (!fan4pin)) |
08e7e278 | 1311 | data->has_fan |= (1 << 3); |
14992c7e | 1312 | if (!(i & (1 << 1)) && (!fan5pin)) |
08e7e278 JD |
1313 | data->has_fan |= (1 << 4); |
1314 | ||
1315 | /* Register sysfs hooks */ | |
08c79950 | 1316 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) |
c18beb5b DH |
1317 | if ((err = device_create_file(dev, |
1318 | &sda_sf3_arrays[i].dev_attr))) | |
1319 | goto exit_remove; | |
08c79950 RM |
1320 | |
1321 | /* if fan4 is enabled create the sf3 files for it */ | |
1322 | if (data->has_fan & (1 << 3)) | |
c18beb5b DH |
1323 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) { |
1324 | if ((err = device_create_file(dev, | |
1325 | &sda_sf3_arrays_fan4[i].dev_attr))) | |
1326 | goto exit_remove; | |
1327 | } | |
08c79950 | 1328 | |
1ea6dd38 | 1329 | for (i = 0; i < data->in_num; i++) |
c18beb5b DH |
1330 | if ((err = device_create_file(dev, &sda_in_input[i].dev_attr)) |
1331 | || (err = device_create_file(dev, | |
1332 | &sda_in_alarm[i].dev_attr)) | |
1333 | || (err = device_create_file(dev, | |
1334 | &sda_in_min[i].dev_attr)) | |
1335 | || (err = device_create_file(dev, | |
1336 | &sda_in_max[i].dev_attr))) | |
1337 | goto exit_remove; | |
cf0676fe | 1338 | |
412fec82 | 1339 | for (i = 0; i < 5; i++) { |
08c79950 | 1340 | if (data->has_fan & (1 << i)) { |
c18beb5b DH |
1341 | if ((err = device_create_file(dev, |
1342 | &sda_fan_input[i].dev_attr)) | |
1343 | || (err = device_create_file(dev, | |
1344 | &sda_fan_alarm[i].dev_attr)) | |
1345 | || (err = device_create_file(dev, | |
1346 | &sda_fan_div[i].dev_attr)) | |
1347 | || (err = device_create_file(dev, | |
1348 | &sda_fan_min[i].dev_attr))) | |
1349 | goto exit_remove; | |
1350 | if (i < 4 && /* w83627ehf only has 4 pwm */ | |
1351 | ((err = device_create_file(dev, | |
1352 | &sda_pwm[i].dev_attr)) | |
1353 | || (err = device_create_file(dev, | |
1354 | &sda_pwm_mode[i].dev_attr)) | |
1355 | || (err = device_create_file(dev, | |
1356 | &sda_pwm_enable[i].dev_attr)) | |
1357 | || (err = device_create_file(dev, | |
1358 | &sda_target_temp[i].dev_attr)) | |
1359 | || (err = device_create_file(dev, | |
1360 | &sda_tolerance[i].dev_attr)))) | |
1361 | goto exit_remove; | |
08c79950 | 1362 | } |
08e7e278 | 1363 | } |
08c79950 | 1364 | |
412fec82 | 1365 | for (i = 0; i < ARRAY_SIZE(sda_temp); i++) |
c18beb5b DH |
1366 | if ((err = device_create_file(dev, &sda_temp[i].dev_attr))) |
1367 | goto exit_remove; | |
1368 | ||
1ea6dd38 DH |
1369 | err = device_create_file(dev, &dev_attr_name); |
1370 | if (err) | |
1371 | goto exit_remove; | |
1372 | ||
fc18d6c0 JD |
1373 | if (data->vid != 0x3f) { |
1374 | err = device_create_file(dev, &dev_attr_cpu0_vid); | |
1375 | if (err) | |
1376 | goto exit_remove; | |
1377 | } | |
1378 | ||
c18beb5b DH |
1379 | data->class_dev = hwmon_device_register(dev); |
1380 | if (IS_ERR(data->class_dev)) { | |
1381 | err = PTR_ERR(data->class_dev); | |
1382 | goto exit_remove; | |
1383 | } | |
08e7e278 JD |
1384 | |
1385 | return 0; | |
1386 | ||
c18beb5b DH |
1387 | exit_remove: |
1388 | w83627ehf_device_remove_files(dev); | |
08e7e278 | 1389 | kfree(data); |
1ea6dd38 | 1390 | platform_set_drvdata(pdev, NULL); |
08e7e278 | 1391 | exit_release: |
1ea6dd38 | 1392 | release_region(res->start, IOREGION_LENGTH); |
08e7e278 JD |
1393 | exit: |
1394 | return err; | |
1395 | } | |
1396 | ||
1ea6dd38 | 1397 | static int __devexit w83627ehf_remove(struct platform_device *pdev) |
08e7e278 | 1398 | { |
1ea6dd38 | 1399 | struct w83627ehf_data *data = platform_get_drvdata(pdev); |
08e7e278 | 1400 | |
943b0830 | 1401 | hwmon_device_unregister(data->class_dev); |
1ea6dd38 DH |
1402 | w83627ehf_device_remove_files(&pdev->dev); |
1403 | release_region(data->addr, IOREGION_LENGTH); | |
1404 | platform_set_drvdata(pdev, NULL); | |
943b0830 | 1405 | kfree(data); |
08e7e278 JD |
1406 | |
1407 | return 0; | |
1408 | } | |
1409 | ||
1ea6dd38 | 1410 | static struct platform_driver w83627ehf_driver = { |
cdaf7934 | 1411 | .driver = { |
87218842 | 1412 | .owner = THIS_MODULE, |
1ea6dd38 | 1413 | .name = DRVNAME, |
cdaf7934 | 1414 | }, |
1ea6dd38 DH |
1415 | .probe = w83627ehf_probe, |
1416 | .remove = __devexit_p(w83627ehf_remove), | |
08e7e278 JD |
1417 | }; |
1418 | ||
1ea6dd38 DH |
1419 | /* w83627ehf_find() looks for a '627 in the Super-I/O config space */ |
1420 | static int __init w83627ehf_find(int sioaddr, unsigned short *addr, | |
1421 | struct w83627ehf_sio_data *sio_data) | |
08e7e278 | 1422 | { |
1ea6dd38 DH |
1423 | static const char __initdata sio_name_W83627EHF[] = "W83627EHF"; |
1424 | static const char __initdata sio_name_W83627EHG[] = "W83627EHG"; | |
1425 | static const char __initdata sio_name_W83627DHG[] = "W83627DHG"; | |
1426 | ||
08e7e278 | 1427 | u16 val; |
1ea6dd38 | 1428 | const char *sio_name; |
08e7e278 | 1429 | |
1ea6dd38 | 1430 | superio_enter(sioaddr); |
08e7e278 | 1431 | |
1ea6dd38 DH |
1432 | val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8) |
1433 | | superio_inb(sioaddr, SIO_REG_DEVID + 1); | |
657c93b1 | 1434 | switch (val & SIO_ID_MASK) { |
657c93b1 | 1435 | case SIO_W83627EHF_ID: |
1ea6dd38 DH |
1436 | sio_data->kind = w83627ehf; |
1437 | sio_name = sio_name_W83627EHF; | |
1438 | break; | |
657c93b1 | 1439 | case SIO_W83627EHG_ID: |
1ea6dd38 DH |
1440 | sio_data->kind = w83627ehf; |
1441 | sio_name = sio_name_W83627EHG; | |
1442 | break; | |
1443 | case SIO_W83627DHG_ID: | |
1444 | sio_data->kind = w83627dhg; | |
1445 | sio_name = sio_name_W83627DHG; | |
657c93b1 DH |
1446 | break; |
1447 | default: | |
1ea6dd38 | 1448 | pr_info(DRVNAME ": unsupported chip ID: 0x%04x\n", |
657c93b1 | 1449 | val); |
1ea6dd38 | 1450 | superio_exit(sioaddr); |
08e7e278 JD |
1451 | return -ENODEV; |
1452 | } | |
1453 | ||
1ea6dd38 DH |
1454 | /* We have a known chip, find the HWM I/O address */ |
1455 | superio_select(sioaddr, W83627EHF_LD_HWM); | |
1456 | val = (superio_inb(sioaddr, SIO_REG_ADDR) << 8) | |
1457 | | superio_inb(sioaddr, SIO_REG_ADDR + 1); | |
1a641fce | 1458 | *addr = val & IOREGION_ALIGNMENT; |
2d8672c5 | 1459 | if (*addr == 0) { |
475ef855 DH |
1460 | printk(KERN_ERR DRVNAME ": Refusing to enable a Super-I/O " |
1461 | "device with a base I/O port 0.\n"); | |
1ea6dd38 | 1462 | superio_exit(sioaddr); |
08e7e278 JD |
1463 | return -ENODEV; |
1464 | } | |
1465 | ||
1466 | /* Activate logical device if needed */ | |
1ea6dd38 | 1467 | val = superio_inb(sioaddr, SIO_REG_ENABLE); |
475ef855 DH |
1468 | if (!(val & 0x01)) { |
1469 | printk(KERN_WARNING DRVNAME ": Forcibly enabling Super-I/O. " | |
1470 | "Sensor is probably unusable.\n"); | |
1ea6dd38 | 1471 | superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01); |
475ef855 | 1472 | } |
1ea6dd38 DH |
1473 | |
1474 | superio_exit(sioaddr); | |
1475 | pr_info(DRVNAME ": Found %s chip at %#x\n", sio_name, *addr); | |
1476 | sio_data->sioreg = sioaddr; | |
08e7e278 | 1477 | |
08e7e278 JD |
1478 | return 0; |
1479 | } | |
1480 | ||
1ea6dd38 DH |
1481 | /* when Super-I/O functions move to a separate file, the Super-I/O |
1482 | * bus will manage the lifetime of the device and this module will only keep | |
1483 | * track of the w83627ehf driver. But since we platform_device_alloc(), we | |
1484 | * must keep track of the device */ | |
1485 | static struct platform_device *pdev; | |
1486 | ||
08e7e278 JD |
1487 | static int __init sensors_w83627ehf_init(void) |
1488 | { | |
1ea6dd38 DH |
1489 | int err; |
1490 | unsigned short address; | |
1491 | struct resource res; | |
1492 | struct w83627ehf_sio_data sio_data; | |
1493 | ||
1494 | /* initialize sio_data->kind and sio_data->sioreg. | |
1495 | * | |
1496 | * when Super-I/O functions move to a separate file, the Super-I/O | |
1497 | * driver will probe 0x2e and 0x4e and auto-detect the presence of a | |
1498 | * w83627ehf hardware monitor, and call probe() */ | |
1499 | if (w83627ehf_find(0x2e, &address, &sio_data) && | |
1500 | w83627ehf_find(0x4e, &address, &sio_data)) | |
08e7e278 JD |
1501 | return -ENODEV; |
1502 | ||
1ea6dd38 DH |
1503 | err = platform_driver_register(&w83627ehf_driver); |
1504 | if (err) | |
1505 | goto exit; | |
1506 | ||
1507 | if (!(pdev = platform_device_alloc(DRVNAME, address))) { | |
1508 | err = -ENOMEM; | |
1509 | printk(KERN_ERR DRVNAME ": Device allocation failed\n"); | |
1510 | goto exit_unregister; | |
1511 | } | |
1512 | ||
1513 | err = platform_device_add_data(pdev, &sio_data, | |
1514 | sizeof(struct w83627ehf_sio_data)); | |
1515 | if (err) { | |
1516 | printk(KERN_ERR DRVNAME ": Platform data allocation failed\n"); | |
1517 | goto exit_device_put; | |
1518 | } | |
1519 | ||
1520 | memset(&res, 0, sizeof(res)); | |
1521 | res.name = DRVNAME; | |
1522 | res.start = address + IOREGION_OFFSET; | |
1523 | res.end = address + IOREGION_OFFSET + IOREGION_LENGTH - 1; | |
1524 | res.flags = IORESOURCE_IO; | |
1525 | err = platform_device_add_resources(pdev, &res, 1); | |
1526 | if (err) { | |
1527 | printk(KERN_ERR DRVNAME ": Device resource addition failed " | |
1528 | "(%d)\n", err); | |
1529 | goto exit_device_put; | |
1530 | } | |
1531 | ||
1532 | /* platform_device_add calls probe() */ | |
1533 | err = platform_device_add(pdev); | |
1534 | if (err) { | |
1535 | printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n", | |
1536 | err); | |
1537 | goto exit_device_put; | |
1538 | } | |
1539 | ||
1540 | return 0; | |
1541 | ||
1542 | exit_device_put: | |
1543 | platform_device_put(pdev); | |
1544 | exit_unregister: | |
1545 | platform_driver_unregister(&w83627ehf_driver); | |
1546 | exit: | |
1547 | return err; | |
08e7e278 JD |
1548 | } |
1549 | ||
1550 | static void __exit sensors_w83627ehf_exit(void) | |
1551 | { | |
1ea6dd38 DH |
1552 | platform_device_unregister(pdev); |
1553 | platform_driver_unregister(&w83627ehf_driver); | |
08e7e278 JD |
1554 | } |
1555 | ||
1556 | MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); | |
1557 | MODULE_DESCRIPTION("W83627EHF driver"); | |
1558 | MODULE_LICENSE("GPL"); | |
1559 | ||
1560 | module_init(sensors_w83627ehf_init); | |
1561 | module_exit(sensors_w83627ehf_exit); |