Root/
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> |
5 | Copyright (C) 2006 Yuan Mu (Winbond), |
6 | Rudolf Marek <r.marek@assembler.cz> |
7 | David Hubbard <david.c.hubbard@gmail.com> |
8 | Daniel J Blueman <daniel.blueman@gmail.com> |
9 | |
10 | Shamelessly ripped from the w83627hf driver |
11 | Copyright (C) 2003 Mark Studebaker |
12 | |
13 | Thanks to Leon Moonen, Steve Cliffe and Grant Coady for their help |
14 | in testing and debugging this driver. |
15 | |
16 | This driver also supports the W83627EHG, which is the lead-free |
17 | version of the W83627EHF. |
18 | |
19 | This program is free software; you can redistribute it and/or modify |
20 | it under the terms of the GNU General Public License as published by |
21 | the Free Software Foundation; either version 2 of the License, or |
22 | (at your option) any later version. |
23 | |
24 | This program is distributed in the hope that it will be useful, |
25 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
26 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
27 | GNU General Public License for more details. |
28 | |
29 | You should have received a copy of the GNU General Public License |
30 | along with this program; if not, write to the Free Software |
31 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
32 | |
33 | |
34 | Supports the following chips: |
35 | |
36 | Chip #vin #fan #pwm #temp chip IDs man ID |
37 | w83627ehf 10 5 4 3 0x8850 0x88 0x5ca3 |
38 | 0x8860 0xa1 |
39 | w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3 |
40 | w83627dhg-p 9 5 4 3 0xb070 0xc1 0x5ca3 |
41 | w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3 |
42 | */ |
43 | |
44 | #include <linux/module.h> |
45 | #include <linux/init.h> |
46 | #include <linux/slab.h> |
47 | #include <linux/jiffies.h> |
48 | #include <linux/platform_device.h> |
49 | #include <linux/hwmon.h> |
50 | #include <linux/hwmon-sysfs.h> |
51 | #include <linux/hwmon-vid.h> |
52 | #include <linux/err.h> |
53 | #include <linux/mutex.h> |
54 | #include <linux/acpi.h> |
55 | #include <linux/io.h> |
56 | #include "lm75.h" |
57 | |
58 | enum kinds { w83627ehf, w83627dhg, w83627dhg_p, w83667hg }; |
59 | |
60 | /* used to set data->name = w83627ehf_device_names[data->sio_kind] */ |
61 | static const char * w83627ehf_device_names[] = { |
62 | "w83627ehf", |
63 | "w83627dhg", |
64 | "w83627dhg", |
65 | "w83667hg", |
66 | }; |
67 | |
68 | static unsigned short force_id; |
69 | module_param(force_id, ushort, 0); |
70 | MODULE_PARM_DESC(force_id, "Override the detected device ID"); |
71 | |
72 | #define DRVNAME "w83627ehf" |
73 | |
74 | /* |
75 | * Super-I/O constants and functions |
76 | */ |
77 | |
78 | #define W83627EHF_LD_HWM 0x0b |
79 | #define W83667HG_LD_VID 0x0d |
80 | |
81 | #define SIO_REG_LDSEL 0x07 /* Logical device select */ |
82 | #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ |
83 | #define SIO_REG_EN_VRM10 0x2C /* GPIO3, GPIO4 selection */ |
84 | #define SIO_REG_ENABLE 0x30 /* Logical device enable */ |
85 | #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ |
86 | #define SIO_REG_VID_CTRL 0xF0 /* VID control */ |
87 | #define SIO_REG_VID_DATA 0xF1 /* VID data */ |
88 | |
89 | #define SIO_W83627EHF_ID 0x8850 |
90 | #define SIO_W83627EHG_ID 0x8860 |
91 | #define SIO_W83627DHG_ID 0xa020 |
92 | #define SIO_W83627DHG_P_ID 0xb070 |
93 | #define SIO_W83667HG_ID 0xa510 |
94 | #define SIO_ID_MASK 0xFFF0 |
95 | |
96 | static inline void |
97 | superio_outb(int ioreg, int reg, int val) |
98 | { |
99 | outb(reg, ioreg); |
100 | outb(val, ioreg + 1); |
101 | } |
102 | |
103 | static inline int |
104 | superio_inb(int ioreg, int reg) |
105 | { |
106 | outb(reg, ioreg); |
107 | return inb(ioreg + 1); |
108 | } |
109 | |
110 | static inline void |
111 | superio_select(int ioreg, int ld) |
112 | { |
113 | outb(SIO_REG_LDSEL, ioreg); |
114 | outb(ld, ioreg + 1); |
115 | } |
116 | |
117 | static inline void |
118 | superio_enter(int ioreg) |
119 | { |
120 | outb(0x87, ioreg); |
121 | outb(0x87, ioreg); |
122 | } |
123 | |
124 | static inline void |
125 | superio_exit(int ioreg) |
126 | { |
127 | outb(0x02, ioreg); |
128 | outb(0x02, ioreg + 1); |
129 | } |
130 | |
131 | /* |
132 | * ISA constants |
133 | */ |
134 | |
135 | #define IOREGION_ALIGNMENT ~7 |
136 | #define IOREGION_OFFSET 5 |
137 | #define IOREGION_LENGTH 2 |
138 | #define ADDR_REG_OFFSET 0 |
139 | #define DATA_REG_OFFSET 1 |
140 | |
141 | #define W83627EHF_REG_BANK 0x4E |
142 | #define W83627EHF_REG_CONFIG 0x40 |
143 | |
144 | /* Not currently used: |
145 | * REG_MAN_ID has the value 0x5ca3 for all supported chips. |
146 | * REG_CHIP_ID == 0x88/0xa1/0xc1 depending on chip model. |
147 | * REG_MAN_ID is at port 0x4f |
148 | * REG_CHIP_ID is at port 0x58 */ |
149 | |
150 | static const u16 W83627EHF_REG_FAN[] = { 0x28, 0x29, 0x2a, 0x3f, 0x553 }; |
151 | static const u16 W83627EHF_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d, 0x3e, 0x55c }; |
152 | |
153 | /* The W83627EHF registers for nr=7,8,9 are in bank 5 */ |
154 | #define W83627EHF_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ |
155 | (0x554 + (((nr) - 7) * 2))) |
156 | #define W83627EHF_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ |
157 | (0x555 + (((nr) - 7) * 2))) |
158 | #define W83627EHF_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ |
159 | (0x550 + (nr) - 7)) |
160 | |
161 | #define W83627EHF_REG_TEMP1 0x27 |
162 | #define W83627EHF_REG_TEMP1_HYST 0x3a |
163 | #define W83627EHF_REG_TEMP1_OVER 0x39 |
164 | static const u16 W83627EHF_REG_TEMP[] = { 0x150, 0x250 }; |
165 | static const u16 W83627EHF_REG_TEMP_HYST[] = { 0x153, 0x253 }; |
166 | static const u16 W83627EHF_REG_TEMP_OVER[] = { 0x155, 0x255 }; |
167 | static const u16 W83627EHF_REG_TEMP_CONFIG[] = { 0x152, 0x252 }; |
168 | |
169 | /* Fan clock dividers are spread over the following five registers */ |
170 | #define W83627EHF_REG_FANDIV1 0x47 |
171 | #define W83627EHF_REG_FANDIV2 0x4B |
172 | #define W83627EHF_REG_VBAT 0x5D |
173 | #define W83627EHF_REG_DIODE 0x59 |
174 | #define W83627EHF_REG_SMI_OVT 0x4C |
175 | |
176 | #define W83627EHF_REG_ALARM1 0x459 |
177 | #define W83627EHF_REG_ALARM2 0x45A |
178 | #define W83627EHF_REG_ALARM3 0x45B |
179 | |
180 | /* SmartFan registers */ |
181 | #define W83627EHF_REG_FAN_STEPUP_TIME 0x0f |
182 | #define W83627EHF_REG_FAN_STEPDOWN_TIME 0x0e |
183 | |
184 | /* DC or PWM output fan configuration */ |
185 | static const u8 W83627EHF_REG_PWM_ENABLE[] = { |
186 | 0x04, /* SYS FAN0 output mode and PWM mode */ |
187 | 0x04, /* CPU FAN0 output mode and PWM mode */ |
188 | 0x12, /* AUX FAN mode */ |
189 | 0x62, /* CPU FAN1 mode */ |
190 | }; |
191 | |
192 | static const u8 W83627EHF_PWM_MODE_SHIFT[] = { 0, 1, 0, 6 }; |
193 | static const u8 W83627EHF_PWM_ENABLE_SHIFT[] = { 2, 4, 1, 4 }; |
194 | |
195 | /* FAN Duty Cycle, be used to control */ |
196 | static const u8 W83627EHF_REG_PWM[] = { 0x01, 0x03, 0x11, 0x61 }; |
197 | static const u8 W83627EHF_REG_TARGET[] = { 0x05, 0x06, 0x13, 0x63 }; |
198 | static const u8 W83627EHF_REG_TOLERANCE[] = { 0x07, 0x07, 0x14, 0x62 }; |
199 | |
200 | /* Advanced Fan control, some values are common for all fans */ |
201 | static const u8 W83627EHF_REG_FAN_START_OUTPUT[] = { 0x0a, 0x0b, 0x16, 0x65 }; |
202 | static const u8 W83627EHF_REG_FAN_STOP_OUTPUT[] = { 0x08, 0x09, 0x15, 0x64 }; |
203 | static const u8 W83627EHF_REG_FAN_STOP_TIME[] = { 0x0c, 0x0d, 0x17, 0x66 }; |
204 | static const u8 W83627EHF_REG_FAN_MAX_OUTPUT[] = { 0xff, 0x67, 0xff, 0x69 }; |
205 | static const u8 W83627EHF_REG_FAN_STEP_OUTPUT[] = { 0xff, 0x68, 0xff, 0x6a }; |
206 | |
207 | /* |
208 | * Conversions |
209 | */ |
210 | |
211 | /* 1 is PWM mode, output in ms */ |
212 | static inline unsigned int step_time_from_reg(u8 reg, u8 mode) |
213 | { |
214 | return mode ? 100 * reg : 400 * reg; |
215 | } |
216 | |
217 | static inline u8 step_time_to_reg(unsigned int msec, u8 mode) |
218 | { |
219 | return SENSORS_LIMIT((mode ? (msec + 50) / 100 : |
220 | (msec + 200) / 400), 1, 255); |
221 | } |
222 | |
223 | static inline unsigned int |
224 | fan_from_reg(u8 reg, unsigned int div) |
225 | { |
226 | if (reg == 0 || reg == 255) |
227 | return 0; |
228 | return 1350000U / (reg * div); |
229 | } |
230 | |
231 | static inline unsigned int |
232 | div_from_reg(u8 reg) |
233 | { |
234 | return 1 << reg; |
235 | } |
236 | |
237 | static inline int |
238 | temp1_from_reg(s8 reg) |
239 | { |
240 | return reg * 1000; |
241 | } |
242 | |
243 | static inline s8 |
244 | temp1_to_reg(long temp, int min, int max) |
245 | { |
246 | if (temp <= min) |
247 | return min / 1000; |
248 | if (temp >= max) |
249 | return max / 1000; |
250 | if (temp < 0) |
251 | return (temp - 500) / 1000; |
252 | return (temp + 500) / 1000; |
253 | } |
254 | |
255 | /* Some of analog inputs have internal scaling (2x), 8mV is ADC LSB */ |
256 | |
257 | static u8 scale_in[10] = { 8, 8, 16, 16, 8, 8, 8, 16, 16, 8 }; |
258 | |
259 | static inline long in_from_reg(u8 reg, u8 nr) |
260 | { |
261 | return reg * scale_in[nr]; |
262 | } |
263 | |
264 | static inline u8 in_to_reg(u32 val, u8 nr) |
265 | { |
266 | return SENSORS_LIMIT(((val + (scale_in[nr] / 2)) / scale_in[nr]), 0, 255); |
267 | } |
268 | |
269 | /* |
270 | * Data structures and manipulation thereof |
271 | */ |
272 | |
273 | struct w83627ehf_data { |
274 | int addr; /* IO base of hw monitor block */ |
275 | const char *name; |
276 | |
277 | struct device *hwmon_dev; |
278 | struct mutex lock; |
279 | |
280 | struct mutex update_lock; |
281 | char valid; /* !=0 if following fields are valid */ |
282 | unsigned long last_updated; /* In jiffies */ |
283 | |
284 | /* Register values */ |
285 | u8 in_num; /* number of in inputs we have */ |
286 | u8 in[10]; /* Register value */ |
287 | u8 in_max[10]; /* Register value */ |
288 | u8 in_min[10]; /* Register value */ |
289 | u8 fan[5]; |
290 | u8 fan_min[5]; |
291 | u8 fan_div[5]; |
292 | u8 has_fan; /* some fan inputs can be disabled */ |
293 | u8 temp_type[3]; |
294 | s8 temp1; |
295 | s8 temp1_max; |
296 | s8 temp1_max_hyst; |
297 | s16 temp[2]; |
298 | s16 temp_max[2]; |
299 | s16 temp_max_hyst[2]; |
300 | u32 alarms; |
301 | |
302 | u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */ |
303 | u8 pwm_enable[4]; /* 1->manual |
304 | 2->thermal cruise mode (also called SmartFan I) |
305 | 3->fan speed cruise mode |
306 | 4->variable thermal cruise (also called SmartFan III) */ |
307 | u8 pwm_num; /* number of pwm */ |
308 | u8 pwm[4]; |
309 | u8 target_temp[4]; |
310 | u8 tolerance[4]; |
311 | |
312 | u8 fan_start_output[4]; /* minimum fan speed when spinning up */ |
313 | u8 fan_stop_output[4]; /* minimum fan speed when spinning down */ |
314 | u8 fan_stop_time[4]; /* time at minimum before disabling fan */ |
315 | u8 fan_max_output[4]; /* maximum fan speed */ |
316 | u8 fan_step_output[4]; /* rate of change output value */ |
317 | |
318 | u8 vid; |
319 | u8 vrm; |
320 | |
321 | u8 temp3_disable; |
322 | u8 in6_skip; |
323 | }; |
324 | |
325 | struct w83627ehf_sio_data { |
326 | int sioreg; |
327 | enum kinds kind; |
328 | }; |
329 | |
330 | static inline int is_word_sized(u16 reg) |
331 | { |
332 | return (((reg & 0xff00) == 0x100 |
333 | || (reg & 0xff00) == 0x200) |
334 | && ((reg & 0x00ff) == 0x50 |
335 | || (reg & 0x00ff) == 0x53 |
336 | || (reg & 0x00ff) == 0x55)); |
337 | } |
338 | |
339 | /* Registers 0x50-0x5f are banked */ |
340 | static inline void w83627ehf_set_bank(struct w83627ehf_data *data, u16 reg) |
341 | { |
342 | if ((reg & 0x00f0) == 0x50) { |
343 | outb_p(W83627EHF_REG_BANK, data->addr + ADDR_REG_OFFSET); |
344 | outb_p(reg >> 8, data->addr + DATA_REG_OFFSET); |
345 | } |
346 | } |
347 | |
348 | /* Not strictly necessary, but play it safe for now */ |
349 | static inline void w83627ehf_reset_bank(struct w83627ehf_data *data, u16 reg) |
350 | { |
351 | if (reg & 0xff00) { |
352 | outb_p(W83627EHF_REG_BANK, data->addr + ADDR_REG_OFFSET); |
353 | outb_p(0, data->addr + DATA_REG_OFFSET); |
354 | } |
355 | } |
356 | |
357 | static u16 w83627ehf_read_value(struct w83627ehf_data *data, u16 reg) |
358 | { |
359 | int res, word_sized = is_word_sized(reg); |
360 | |
361 | mutex_lock(&data->lock); |
362 | |
363 | w83627ehf_set_bank(data, reg); |
364 | outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET); |
365 | res = inb_p(data->addr + DATA_REG_OFFSET); |
366 | if (word_sized) { |
367 | outb_p((reg & 0xff) + 1, |
368 | data->addr + ADDR_REG_OFFSET); |
369 | res = (res << 8) + inb_p(data->addr + DATA_REG_OFFSET); |
370 | } |
371 | w83627ehf_reset_bank(data, reg); |
372 | |
373 | mutex_unlock(&data->lock); |
374 | |
375 | return res; |
376 | } |
377 | |
378 | static int w83627ehf_write_value(struct w83627ehf_data *data, u16 reg, u16 value) |
379 | { |
380 | int word_sized = is_word_sized(reg); |
381 | |
382 | mutex_lock(&data->lock); |
383 | |
384 | w83627ehf_set_bank(data, reg); |
385 | outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET); |
386 | if (word_sized) { |
387 | outb_p(value >> 8, data->addr + DATA_REG_OFFSET); |
388 | outb_p((reg & 0xff) + 1, |
389 | data->addr + ADDR_REG_OFFSET); |
390 | } |
391 | outb_p(value & 0xff, data->addr + DATA_REG_OFFSET); |
392 | w83627ehf_reset_bank(data, reg); |
393 | |
394 | mutex_unlock(&data->lock); |
395 | return 0; |
396 | } |
397 | |
398 | /* This function assumes that the caller holds data->update_lock */ |
399 | static void w83627ehf_write_fan_div(struct w83627ehf_data *data, int nr) |
400 | { |
401 | u8 reg; |
402 | |
403 | switch (nr) { |
404 | case 0: |
405 | reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV1) & 0xcf) |
406 | | ((data->fan_div[0] & 0x03) << 4); |
407 | /* fan5 input control bit is write only, compute the value */ |
408 | reg |= (data->has_fan & (1 << 4)) ? 1 : 0; |
409 | w83627ehf_write_value(data, W83627EHF_REG_FANDIV1, reg); |
410 | reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0xdf) |
411 | | ((data->fan_div[0] & 0x04) << 3); |
412 | w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg); |
413 | break; |
414 | case 1: |
415 | reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV1) & 0x3f) |
416 | | ((data->fan_div[1] & 0x03) << 6); |
417 | /* fan5 input control bit is write only, compute the value */ |
418 | reg |= (data->has_fan & (1 << 4)) ? 1 : 0; |
419 | w83627ehf_write_value(data, W83627EHF_REG_FANDIV1, reg); |
420 | reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0xbf) |
421 | | ((data->fan_div[1] & 0x04) << 4); |
422 | w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg); |
423 | break; |
424 | case 2: |
425 | reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV2) & 0x3f) |
426 | | ((data->fan_div[2] & 0x03) << 6); |
427 | w83627ehf_write_value(data, W83627EHF_REG_FANDIV2, reg); |
428 | reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0x7f) |
429 | | ((data->fan_div[2] & 0x04) << 5); |
430 | w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg); |
431 | break; |
432 | case 3: |
433 | reg = (w83627ehf_read_value(data, W83627EHF_REG_DIODE) & 0xfc) |
434 | | (data->fan_div[3] & 0x03); |
435 | w83627ehf_write_value(data, W83627EHF_REG_DIODE, reg); |
436 | reg = (w83627ehf_read_value(data, W83627EHF_REG_SMI_OVT) & 0x7f) |
437 | | ((data->fan_div[3] & 0x04) << 5); |
438 | w83627ehf_write_value(data, W83627EHF_REG_SMI_OVT, reg); |
439 | break; |
440 | case 4: |
441 | reg = (w83627ehf_read_value(data, W83627EHF_REG_DIODE) & 0x73) |
442 | | ((data->fan_div[4] & 0x03) << 2) |
443 | | ((data->fan_div[4] & 0x04) << 5); |
444 | w83627ehf_write_value(data, W83627EHF_REG_DIODE, reg); |
445 | break; |
446 | } |
447 | } |
448 | |
449 | static void w83627ehf_update_fan_div(struct w83627ehf_data *data) |
450 | { |
451 | int i; |
452 | |
453 | i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1); |
454 | data->fan_div[0] = (i >> 4) & 0x03; |
455 | data->fan_div[1] = (i >> 6) & 0x03; |
456 | i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV2); |
457 | data->fan_div[2] = (i >> 6) & 0x03; |
458 | i = w83627ehf_read_value(data, W83627EHF_REG_VBAT); |
459 | data->fan_div[0] |= (i >> 3) & 0x04; |
460 | data->fan_div[1] |= (i >> 4) & 0x04; |
461 | data->fan_div[2] |= (i >> 5) & 0x04; |
462 | if (data->has_fan & ((1 << 3) | (1 << 4))) { |
463 | i = w83627ehf_read_value(data, W83627EHF_REG_DIODE); |
464 | data->fan_div[3] = i & 0x03; |
465 | data->fan_div[4] = ((i >> 2) & 0x03) |
466 | | ((i >> 5) & 0x04); |
467 | } |
468 | if (data->has_fan & (1 << 3)) { |
469 | i = w83627ehf_read_value(data, W83627EHF_REG_SMI_OVT); |
470 | data->fan_div[3] |= (i >> 5) & 0x04; |
471 | } |
472 | } |
473 | |
474 | static struct w83627ehf_data *w83627ehf_update_device(struct device *dev) |
475 | { |
476 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
477 | int pwmcfg = 0, tolerance = 0; /* shut up the compiler */ |
478 | int i; |
479 | |
480 | mutex_lock(&data->update_lock); |
481 | |
482 | if (time_after(jiffies, data->last_updated + HZ + HZ/2) |
483 | || !data->valid) { |
484 | /* Fan clock dividers */ |
485 | w83627ehf_update_fan_div(data); |
486 | |
487 | /* Measured voltages and limits */ |
488 | for (i = 0; i < data->in_num; i++) { |
489 | data->in[i] = w83627ehf_read_value(data, |
490 | W83627EHF_REG_IN(i)); |
491 | data->in_min[i] = w83627ehf_read_value(data, |
492 | W83627EHF_REG_IN_MIN(i)); |
493 | data->in_max[i] = w83627ehf_read_value(data, |
494 | W83627EHF_REG_IN_MAX(i)); |
495 | } |
496 | |
497 | /* Measured fan speeds and limits */ |
498 | for (i = 0; i < 5; i++) { |
499 | if (!(data->has_fan & (1 << i))) |
500 | continue; |
501 | |
502 | data->fan[i] = w83627ehf_read_value(data, |
503 | W83627EHF_REG_FAN[i]); |
504 | data->fan_min[i] = w83627ehf_read_value(data, |
505 | W83627EHF_REG_FAN_MIN[i]); |
506 | |
507 | /* If we failed to measure the fan speed and clock |
508 | divider can be increased, let's try that for next |
509 | time */ |
510 | if (data->fan[i] == 0xff |
511 | && data->fan_div[i] < 0x07) { |
512 | dev_dbg(dev, "Increasing fan%d " |
513 | "clock divider from %u to %u\n", |
514 | i + 1, div_from_reg(data->fan_div[i]), |
515 | div_from_reg(data->fan_div[i] + 1)); |
516 | data->fan_div[i]++; |
517 | w83627ehf_write_fan_div(data, i); |
518 | /* Preserve min limit if possible */ |
519 | if (data->fan_min[i] >= 2 |
520 | && data->fan_min[i] != 255) |
521 | w83627ehf_write_value(data, |
522 | W83627EHF_REG_FAN_MIN[i], |
523 | (data->fan_min[i] /= 2)); |
524 | } |
525 | } |
526 | |
527 | for (i = 0; i < 4; i++) { |
528 | /* pwmcfg, tolerance mapped for i=0, i=1 to same reg */ |
529 | if (i != 1) { |
530 | pwmcfg = w83627ehf_read_value(data, |
531 | W83627EHF_REG_PWM_ENABLE[i]); |
532 | tolerance = w83627ehf_read_value(data, |
533 | W83627EHF_REG_TOLERANCE[i]); |
534 | } |
535 | data->pwm_mode[i] = |
536 | ((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1) |
537 | ? 0 : 1; |
538 | data->pwm_enable[i] = |
539 | ((pwmcfg >> W83627EHF_PWM_ENABLE_SHIFT[i]) |
540 | & 3) + 1; |
541 | data->pwm[i] = w83627ehf_read_value(data, |
542 | W83627EHF_REG_PWM[i]); |
543 | data->fan_start_output[i] = w83627ehf_read_value(data, |
544 | W83627EHF_REG_FAN_START_OUTPUT[i]); |
545 | data->fan_stop_output[i] = w83627ehf_read_value(data, |
546 | W83627EHF_REG_FAN_STOP_OUTPUT[i]); |
547 | data->fan_stop_time[i] = w83627ehf_read_value(data, |
548 | W83627EHF_REG_FAN_STOP_TIME[i]); |
549 | data->target_temp[i] = |
550 | w83627ehf_read_value(data, |
551 | W83627EHF_REG_TARGET[i]) & |
552 | (data->pwm_mode[i] == 1 ? 0x7f : 0xff); |
553 | data->tolerance[i] = (tolerance >> (i == 1 ? 4 : 0)) |
554 | & 0x0f; |
555 | } |
556 | |
557 | /* Measured temperatures and limits */ |
558 | data->temp1 = w83627ehf_read_value(data, |
559 | W83627EHF_REG_TEMP1); |
560 | data->temp1_max = w83627ehf_read_value(data, |
561 | W83627EHF_REG_TEMP1_OVER); |
562 | data->temp1_max_hyst = w83627ehf_read_value(data, |
563 | W83627EHF_REG_TEMP1_HYST); |
564 | for (i = 0; i < 2; i++) { |
565 | data->temp[i] = w83627ehf_read_value(data, |
566 | W83627EHF_REG_TEMP[i]); |
567 | data->temp_max[i] = w83627ehf_read_value(data, |
568 | W83627EHF_REG_TEMP_OVER[i]); |
569 | data->temp_max_hyst[i] = w83627ehf_read_value(data, |
570 | W83627EHF_REG_TEMP_HYST[i]); |
571 | } |
572 | |
573 | data->alarms = w83627ehf_read_value(data, |
574 | W83627EHF_REG_ALARM1) | |
575 | (w83627ehf_read_value(data, |
576 | W83627EHF_REG_ALARM2) << 8) | |
577 | (w83627ehf_read_value(data, |
578 | W83627EHF_REG_ALARM3) << 16); |
579 | |
580 | data->last_updated = jiffies; |
581 | data->valid = 1; |
582 | } |
583 | |
584 | mutex_unlock(&data->update_lock); |
585 | return data; |
586 | } |
587 | |
588 | /* |
589 | * Sysfs callback functions |
590 | */ |
591 | #define show_in_reg(reg) \ |
592 | static ssize_t \ |
593 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
594 | char *buf) \ |
595 | { \ |
596 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
597 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
598 | int nr = sensor_attr->index; \ |
599 | return sprintf(buf, "%ld\n", in_from_reg(data->reg[nr], nr)); \ |
600 | } |
601 | show_in_reg(in) |
602 | show_in_reg(in_min) |
603 | show_in_reg(in_max) |
604 | |
605 | #define store_in_reg(REG, reg) \ |
606 | static ssize_t \ |
607 | store_in_##reg (struct device *dev, struct device_attribute *attr, \ |
608 | const char *buf, size_t count) \ |
609 | { \ |
610 | struct w83627ehf_data *data = dev_get_drvdata(dev); \ |
611 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
612 | int nr = sensor_attr->index; \ |
613 | u32 val = simple_strtoul(buf, NULL, 10); \ |
614 | \ |
615 | mutex_lock(&data->update_lock); \ |
616 | data->in_##reg[nr] = in_to_reg(val, nr); \ |
617 | w83627ehf_write_value(data, W83627EHF_REG_IN_##REG(nr), \ |
618 | data->in_##reg[nr]); \ |
619 | mutex_unlock(&data->update_lock); \ |
620 | return count; \ |
621 | } |
622 | |
623 | store_in_reg(MIN, min) |
624 | store_in_reg(MAX, max) |
625 | |
626 | static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, char *buf) |
627 | { |
628 | struct w83627ehf_data *data = w83627ehf_update_device(dev); |
629 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
630 | int nr = sensor_attr->index; |
631 | return sprintf(buf, "%u\n", (data->alarms >> nr) & 0x01); |
632 | } |
633 | |
634 | static struct sensor_device_attribute sda_in_input[] = { |
635 | SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), |
636 | SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), |
637 | SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), |
638 | SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), |
639 | SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), |
640 | SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), |
641 | SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), |
642 | SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), |
643 | SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), |
644 | SENSOR_ATTR(in9_input, S_IRUGO, show_in, NULL, 9), |
645 | }; |
646 | |
647 | static struct sensor_device_attribute sda_in_alarm[] = { |
648 | SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0), |
649 | SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1), |
650 | SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2), |
651 | SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3), |
652 | SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8), |
653 | SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 21), |
654 | SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 20), |
655 | SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16), |
656 | SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17), |
657 | SENSOR_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 19), |
658 | }; |
659 | |
660 | static struct sensor_device_attribute sda_in_min[] = { |
661 | SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), |
662 | SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), |
663 | SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), |
664 | SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), |
665 | SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), |
666 | SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), |
667 | SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), |
668 | SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), |
669 | SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), |
670 | SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 9), |
671 | }; |
672 | |
673 | static struct sensor_device_attribute sda_in_max[] = { |
674 | SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), |
675 | SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), |
676 | SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), |
677 | SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), |
678 | SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), |
679 | SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), |
680 | SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), |
681 | SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), |
682 | SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), |
683 | SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9), |
684 | }; |
685 | |
686 | #define show_fan_reg(reg) \ |
687 | static ssize_t \ |
688 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
689 | char *buf) \ |
690 | { \ |
691 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
692 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
693 | int nr = sensor_attr->index; \ |
694 | return sprintf(buf, "%d\n", \ |
695 | fan_from_reg(data->reg[nr], \ |
696 | div_from_reg(data->fan_div[nr]))); \ |
697 | } |
698 | show_fan_reg(fan); |
699 | show_fan_reg(fan_min); |
700 | |
701 | static ssize_t |
702 | show_fan_div(struct device *dev, struct device_attribute *attr, |
703 | char *buf) |
704 | { |
705 | struct w83627ehf_data *data = w83627ehf_update_device(dev); |
706 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
707 | int nr = sensor_attr->index; |
708 | return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr])); |
709 | } |
710 | |
711 | static ssize_t |
712 | store_fan_min(struct device *dev, struct device_attribute *attr, |
713 | const char *buf, size_t count) |
714 | { |
715 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
716 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
717 | int nr = sensor_attr->index; |
718 | unsigned int val = simple_strtoul(buf, NULL, 10); |
719 | unsigned int reg; |
720 | u8 new_div; |
721 | |
722 | mutex_lock(&data->update_lock); |
723 | if (!val) { |
724 | /* No min limit, alarm disabled */ |
725 | data->fan_min[nr] = 255; |
726 | new_div = data->fan_div[nr]; /* No change */ |
727 | dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1); |
728 | } else if ((reg = 1350000U / val) >= 128 * 255) { |
729 | /* Speed below this value cannot possibly be represented, |
730 | even with the highest divider (128) */ |
731 | data->fan_min[nr] = 254; |
732 | new_div = 7; /* 128 == (1 << 7) */ |
733 | dev_warn(dev, "fan%u low limit %u below minimum %u, set to " |
734 | "minimum\n", nr + 1, val, fan_from_reg(254, 128)); |
735 | } else if (!reg) { |
736 | /* Speed above this value cannot possibly be represented, |
737 | even with the lowest divider (1) */ |
738 | data->fan_min[nr] = 1; |
739 | new_div = 0; /* 1 == (1 << 0) */ |
740 | dev_warn(dev, "fan%u low limit %u above maximum %u, set to " |
741 | "maximum\n", nr + 1, val, fan_from_reg(1, 1)); |
742 | } else { |
743 | /* Automatically pick the best divider, i.e. the one such |
744 | that the min limit will correspond to a register value |
745 | in the 96..192 range */ |
746 | new_div = 0; |
747 | while (reg > 192 && new_div < 7) { |
748 | reg >>= 1; |
749 | new_div++; |
750 | } |
751 | data->fan_min[nr] = reg; |
752 | } |
753 | |
754 | /* Write both the fan clock divider (if it changed) and the new |
755 | fan min (unconditionally) */ |
756 | if (new_div != data->fan_div[nr]) { |
757 | /* Preserve the fan speed reading */ |
758 | if (data->fan[nr] != 0xff) { |
759 | if (new_div > data->fan_div[nr]) |
760 | data->fan[nr] >>= new_div - data->fan_div[nr]; |
761 | else if (data->fan[nr] & 0x80) |
762 | data->fan[nr] = 0xff; |
763 | else |
764 | data->fan[nr] <<= data->fan_div[nr] - new_div; |
765 | } |
766 | |
767 | dev_dbg(dev, "fan%u clock divider changed from %u to %u\n", |
768 | nr + 1, div_from_reg(data->fan_div[nr]), |
769 | div_from_reg(new_div)); |
770 | data->fan_div[nr] = new_div; |
771 | w83627ehf_write_fan_div(data, nr); |
772 | /* Give the chip time to sample a new speed value */ |
773 | data->last_updated = jiffies; |
774 | } |
775 | w83627ehf_write_value(data, W83627EHF_REG_FAN_MIN[nr], |
776 | data->fan_min[nr]); |
777 | mutex_unlock(&data->update_lock); |
778 | |
779 | return count; |
780 | } |
781 | |
782 | static struct sensor_device_attribute sda_fan_input[] = { |
783 | SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0), |
784 | SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1), |
785 | SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2), |
786 | SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3), |
787 | SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4), |
788 | }; |
789 | |
790 | static struct sensor_device_attribute sda_fan_alarm[] = { |
791 | SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6), |
792 | SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7), |
793 | SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11), |
794 | SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 10), |
795 | SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 23), |
796 | }; |
797 | |
798 | static struct sensor_device_attribute sda_fan_min[] = { |
799 | SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, |
800 | store_fan_min, 0), |
801 | SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, |
802 | store_fan_min, 1), |
803 | SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, |
804 | store_fan_min, 2), |
805 | SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, |
806 | store_fan_min, 3), |
807 | SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, |
808 | store_fan_min, 4), |
809 | }; |
810 | |
811 | static struct sensor_device_attribute sda_fan_div[] = { |
812 | SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0), |
813 | SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1), |
814 | SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2), |
815 | SENSOR_ATTR(fan4_div, S_IRUGO, show_fan_div, NULL, 3), |
816 | SENSOR_ATTR(fan5_div, S_IRUGO, show_fan_div, NULL, 4), |
817 | }; |
818 | |
819 | #define show_temp1_reg(reg) \ |
820 | static ssize_t \ |
821 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
822 | char *buf) \ |
823 | { \ |
824 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
825 | return sprintf(buf, "%d\n", temp1_from_reg(data->reg)); \ |
826 | } |
827 | show_temp1_reg(temp1); |
828 | show_temp1_reg(temp1_max); |
829 | show_temp1_reg(temp1_max_hyst); |
830 | |
831 | #define store_temp1_reg(REG, reg) \ |
832 | static ssize_t \ |
833 | store_temp1_##reg(struct device *dev, struct device_attribute *attr, \ |
834 | const char *buf, size_t count) \ |
835 | { \ |
836 | struct w83627ehf_data *data = dev_get_drvdata(dev); \ |
837 | long val = simple_strtol(buf, NULL, 10); \ |
838 | \ |
839 | mutex_lock(&data->update_lock); \ |
840 | data->temp1_##reg = temp1_to_reg(val, -128000, 127000); \ |
841 | w83627ehf_write_value(data, W83627EHF_REG_TEMP1_##REG, \ |
842 | data->temp1_##reg); \ |
843 | mutex_unlock(&data->update_lock); \ |
844 | return count; \ |
845 | } |
846 | store_temp1_reg(OVER, max); |
847 | store_temp1_reg(HYST, max_hyst); |
848 | |
849 | #define show_temp_reg(reg) \ |
850 | static ssize_t \ |
851 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
852 | char *buf) \ |
853 | { \ |
854 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
855 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
856 | int nr = sensor_attr->index; \ |
857 | return sprintf(buf, "%d\n", \ |
858 | LM75_TEMP_FROM_REG(data->reg[nr])); \ |
859 | } |
860 | show_temp_reg(temp); |
861 | show_temp_reg(temp_max); |
862 | show_temp_reg(temp_max_hyst); |
863 | |
864 | #define store_temp_reg(REG, reg) \ |
865 | static ssize_t \ |
866 | store_##reg(struct device *dev, struct device_attribute *attr, \ |
867 | const char *buf, size_t count) \ |
868 | { \ |
869 | struct w83627ehf_data *data = dev_get_drvdata(dev); \ |
870 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
871 | int nr = sensor_attr->index; \ |
872 | long val = simple_strtol(buf, NULL, 10); \ |
873 | \ |
874 | mutex_lock(&data->update_lock); \ |
875 | data->reg[nr] = LM75_TEMP_TO_REG(val); \ |
876 | w83627ehf_write_value(data, W83627EHF_REG_TEMP_##REG[nr], \ |
877 | data->reg[nr]); \ |
878 | mutex_unlock(&data->update_lock); \ |
879 | return count; \ |
880 | } |
881 | store_temp_reg(OVER, temp_max); |
882 | store_temp_reg(HYST, temp_max_hyst); |
883 | |
884 | static ssize_t |
885 | show_temp_type(struct device *dev, struct device_attribute *attr, 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", (int)data->temp_type[nr]); |
891 | } |
892 | |
893 | static struct sensor_device_attribute sda_temp_input[] = { |
894 | SENSOR_ATTR(temp1_input, S_IRUGO, show_temp1, NULL, 0), |
895 | SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 0), |
896 | SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 1), |
897 | }; |
898 | |
899 | static struct sensor_device_attribute sda_temp_max[] = { |
900 | SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp1_max, |
901 | store_temp1_max, 0), |
902 | SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, show_temp_max, |
903 | store_temp_max, 0), |
904 | SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, show_temp_max, |
905 | store_temp_max, 1), |
906 | }; |
907 | |
908 | static struct sensor_device_attribute sda_temp_max_hyst[] = { |
909 | SENSOR_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1_max_hyst, |
910 | store_temp1_max_hyst, 0), |
911 | SENSOR_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst, |
912 | store_temp_max_hyst, 0), |
913 | SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst, |
914 | store_temp_max_hyst, 1), |
915 | }; |
916 | |
917 | static struct sensor_device_attribute sda_temp_alarm[] = { |
918 | SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4), |
919 | SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5), |
920 | SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13), |
921 | }; |
922 | |
923 | static struct sensor_device_attribute sda_temp_type[] = { |
924 | SENSOR_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0), |
925 | SENSOR_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1), |
926 | SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2), |
927 | }; |
928 | |
929 | #define show_pwm_reg(reg) \ |
930 | static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \ |
931 | char *buf) \ |
932 | { \ |
933 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
934 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
935 | int nr = sensor_attr->index; \ |
936 | return sprintf(buf, "%d\n", data->reg[nr]); \ |
937 | } |
938 | |
939 | show_pwm_reg(pwm_mode) |
940 | show_pwm_reg(pwm_enable) |
941 | show_pwm_reg(pwm) |
942 | |
943 | static ssize_t |
944 | store_pwm_mode(struct device *dev, struct device_attribute *attr, |
945 | const char *buf, size_t count) |
946 | { |
947 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
948 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
949 | int nr = sensor_attr->index; |
950 | u32 val = simple_strtoul(buf, NULL, 10); |
951 | u16 reg; |
952 | |
953 | if (val > 1) |
954 | return -EINVAL; |
955 | mutex_lock(&data->update_lock); |
956 | reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]); |
957 | data->pwm_mode[nr] = val; |
958 | reg &= ~(1 << W83627EHF_PWM_MODE_SHIFT[nr]); |
959 | if (!val) |
960 | reg |= 1 << W83627EHF_PWM_MODE_SHIFT[nr]; |
961 | w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg); |
962 | mutex_unlock(&data->update_lock); |
963 | return count; |
964 | } |
965 | |
966 | static ssize_t |
967 | store_pwm(struct device *dev, struct device_attribute *attr, |
968 | const char *buf, size_t count) |
969 | { |
970 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
971 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
972 | int nr = sensor_attr->index; |
973 | u32 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255); |
974 | |
975 | mutex_lock(&data->update_lock); |
976 | data->pwm[nr] = val; |
977 | w83627ehf_write_value(data, W83627EHF_REG_PWM[nr], val); |
978 | mutex_unlock(&data->update_lock); |
979 | return count; |
980 | } |
981 | |
982 | static ssize_t |
983 | store_pwm_enable(struct device *dev, struct device_attribute *attr, |
984 | const char *buf, size_t count) |
985 | { |
986 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
987 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
988 | int nr = sensor_attr->index; |
989 | u32 val = simple_strtoul(buf, NULL, 10); |
990 | u16 reg; |
991 | |
992 | if (!val || (val > 4)) |
993 | return -EINVAL; |
994 | mutex_lock(&data->update_lock); |
995 | reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]); |
996 | data->pwm_enable[nr] = val; |
997 | reg &= ~(0x03 << W83627EHF_PWM_ENABLE_SHIFT[nr]); |
998 | reg |= (val - 1) << W83627EHF_PWM_ENABLE_SHIFT[nr]; |
999 | w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg); |
1000 | mutex_unlock(&data->update_lock); |
1001 | return count; |
1002 | } |
1003 | |
1004 | |
1005 | #define show_tol_temp(reg) \ |
1006 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ |
1007 | char *buf) \ |
1008 | { \ |
1009 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
1010 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
1011 | int nr = sensor_attr->index; \ |
1012 | return sprintf(buf, "%d\n", temp1_from_reg(data->reg[nr])); \ |
1013 | } |
1014 | |
1015 | show_tol_temp(tolerance) |
1016 | show_tol_temp(target_temp) |
1017 | |
1018 | static ssize_t |
1019 | store_target_temp(struct device *dev, struct device_attribute *attr, |
1020 | const char *buf, size_t count) |
1021 | { |
1022 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
1023 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
1024 | int nr = sensor_attr->index; |
1025 | u8 val = temp1_to_reg(simple_strtoul(buf, NULL, 10), 0, 127000); |
1026 | |
1027 | mutex_lock(&data->update_lock); |
1028 | data->target_temp[nr] = val; |
1029 | w83627ehf_write_value(data, W83627EHF_REG_TARGET[nr], val); |
1030 | mutex_unlock(&data->update_lock); |
1031 | return count; |
1032 | } |
1033 | |
1034 | static ssize_t |
1035 | store_tolerance(struct device *dev, struct device_attribute *attr, |
1036 | const char *buf, size_t count) |
1037 | { |
1038 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
1039 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
1040 | int nr = sensor_attr->index; |
1041 | u16 reg; |
1042 | /* Limit the temp to 0C - 15C */ |
1043 | u8 val = temp1_to_reg(simple_strtoul(buf, NULL, 10), 0, 15000); |
1044 | |
1045 | mutex_lock(&data->update_lock); |
1046 | reg = w83627ehf_read_value(data, W83627EHF_REG_TOLERANCE[nr]); |
1047 | data->tolerance[nr] = val; |
1048 | if (nr == 1) |
1049 | reg = (reg & 0x0f) | (val << 4); |
1050 | else |
1051 | reg = (reg & 0xf0) | val; |
1052 | w83627ehf_write_value(data, W83627EHF_REG_TOLERANCE[nr], reg); |
1053 | mutex_unlock(&data->update_lock); |
1054 | return count; |
1055 | } |
1056 | |
1057 | static struct sensor_device_attribute sda_pwm[] = { |
1058 | SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0), |
1059 | SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1), |
1060 | SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2), |
1061 | SENSOR_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3), |
1062 | }; |
1063 | |
1064 | static struct sensor_device_attribute sda_pwm_mode[] = { |
1065 | SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
1066 | store_pwm_mode, 0), |
1067 | SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
1068 | store_pwm_mode, 1), |
1069 | SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
1070 | store_pwm_mode, 2), |
1071 | SENSOR_ATTR(pwm4_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
1072 | store_pwm_mode, 3), |
1073 | }; |
1074 | |
1075 | static struct sensor_device_attribute sda_pwm_enable[] = { |
1076 | SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
1077 | store_pwm_enable, 0), |
1078 | SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
1079 | store_pwm_enable, 1), |
1080 | SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
1081 | store_pwm_enable, 2), |
1082 | SENSOR_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
1083 | store_pwm_enable, 3), |
1084 | }; |
1085 | |
1086 | static struct sensor_device_attribute sda_target_temp[] = { |
1087 | SENSOR_ATTR(pwm1_target, S_IWUSR | S_IRUGO, show_target_temp, |
1088 | store_target_temp, 0), |
1089 | SENSOR_ATTR(pwm2_target, S_IWUSR | S_IRUGO, show_target_temp, |
1090 | store_target_temp, 1), |
1091 | SENSOR_ATTR(pwm3_target, S_IWUSR | S_IRUGO, show_target_temp, |
1092 | store_target_temp, 2), |
1093 | SENSOR_ATTR(pwm4_target, S_IWUSR | S_IRUGO, show_target_temp, |
1094 | store_target_temp, 3), |
1095 | }; |
1096 | |
1097 | static struct sensor_device_attribute sda_tolerance[] = { |
1098 | SENSOR_ATTR(pwm1_tolerance, S_IWUSR | S_IRUGO, show_tolerance, |
1099 | store_tolerance, 0), |
1100 | SENSOR_ATTR(pwm2_tolerance, S_IWUSR | S_IRUGO, show_tolerance, |
1101 | store_tolerance, 1), |
1102 | SENSOR_ATTR(pwm3_tolerance, S_IWUSR | S_IRUGO, show_tolerance, |
1103 | store_tolerance, 2), |
1104 | SENSOR_ATTR(pwm4_tolerance, S_IWUSR | S_IRUGO, show_tolerance, |
1105 | store_tolerance, 3), |
1106 | }; |
1107 | |
1108 | /* Smart Fan registers */ |
1109 | |
1110 | #define fan_functions(reg, REG) \ |
1111 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ |
1112 | char *buf) \ |
1113 | { \ |
1114 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
1115 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
1116 | int nr = sensor_attr->index; \ |
1117 | return sprintf(buf, "%d\n", data->reg[nr]); \ |
1118 | }\ |
1119 | static ssize_t \ |
1120 | store_##reg(struct device *dev, struct device_attribute *attr, \ |
1121 | const char *buf, size_t count) \ |
1122 | {\ |
1123 | struct w83627ehf_data *data = dev_get_drvdata(dev); \ |
1124 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
1125 | int nr = sensor_attr->index; \ |
1126 | u32 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 1, 255); \ |
1127 | mutex_lock(&data->update_lock); \ |
1128 | data->reg[nr] = val; \ |
1129 | w83627ehf_write_value(data, W83627EHF_REG_##REG[nr], val); \ |
1130 | mutex_unlock(&data->update_lock); \ |
1131 | return count; \ |
1132 | } |
1133 | |
1134 | fan_functions(fan_start_output, FAN_START_OUTPUT) |
1135 | fan_functions(fan_stop_output, FAN_STOP_OUTPUT) |
1136 | fan_functions(fan_max_output, FAN_MAX_OUTPUT) |
1137 | fan_functions(fan_step_output, FAN_STEP_OUTPUT) |
1138 | |
1139 | #define fan_time_functions(reg, REG) \ |
1140 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ |
1141 | char *buf) \ |
1142 | { \ |
1143 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
1144 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
1145 | int nr = sensor_attr->index; \ |
1146 | return sprintf(buf, "%d\n", \ |
1147 | step_time_from_reg(data->reg[nr], data->pwm_mode[nr])); \ |
1148 | } \ |
1149 | \ |
1150 | static ssize_t \ |
1151 | store_##reg(struct device *dev, struct device_attribute *attr, \ |
1152 | const char *buf, size_t count) \ |
1153 | { \ |
1154 | struct w83627ehf_data *data = dev_get_drvdata(dev); \ |
1155 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
1156 | int nr = sensor_attr->index; \ |
1157 | u8 val = step_time_to_reg(simple_strtoul(buf, NULL, 10), \ |
1158 | data->pwm_mode[nr]); \ |
1159 | mutex_lock(&data->update_lock); \ |
1160 | data->reg[nr] = val; \ |
1161 | w83627ehf_write_value(data, W83627EHF_REG_##REG[nr], val); \ |
1162 | mutex_unlock(&data->update_lock); \ |
1163 | return count; \ |
1164 | } \ |
1165 | |
1166 | fan_time_functions(fan_stop_time, FAN_STOP_TIME) |
1167 | |
1168 | static ssize_t show_name(struct device *dev, struct device_attribute *attr, |
1169 | char *buf) |
1170 | { |
1171 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
1172 | |
1173 | return sprintf(buf, "%s\n", data->name); |
1174 | } |
1175 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); |
1176 | |
1177 | static struct sensor_device_attribute sda_sf3_arrays_fan4[] = { |
1178 | SENSOR_ATTR(pwm4_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, |
1179 | store_fan_stop_time, 3), |
1180 | SENSOR_ATTR(pwm4_start_output, S_IWUSR | S_IRUGO, show_fan_start_output, |
1181 | store_fan_start_output, 3), |
1182 | SENSOR_ATTR(pwm4_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output, |
1183 | store_fan_stop_output, 3), |
1184 | SENSOR_ATTR(pwm4_max_output, S_IWUSR | S_IRUGO, show_fan_max_output, |
1185 | store_fan_max_output, 3), |
1186 | SENSOR_ATTR(pwm4_step_output, S_IWUSR | S_IRUGO, show_fan_step_output, |
1187 | store_fan_step_output, 3), |
1188 | }; |
1189 | |
1190 | static struct sensor_device_attribute sda_sf3_arrays[] = { |
1191 | SENSOR_ATTR(pwm1_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, |
1192 | store_fan_stop_time, 0), |
1193 | SENSOR_ATTR(pwm2_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, |
1194 | store_fan_stop_time, 1), |
1195 | SENSOR_ATTR(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, |
1196 | store_fan_stop_time, 2), |
1197 | SENSOR_ATTR(pwm1_start_output, S_IWUSR | S_IRUGO, show_fan_start_output, |
1198 | store_fan_start_output, 0), |
1199 | SENSOR_ATTR(pwm2_start_output, S_IWUSR | S_IRUGO, show_fan_start_output, |
1200 | store_fan_start_output, 1), |
1201 | SENSOR_ATTR(pwm3_start_output, S_IWUSR | S_IRUGO, show_fan_start_output, |
1202 | store_fan_start_output, 2), |
1203 | SENSOR_ATTR(pwm1_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output, |
1204 | store_fan_stop_output, 0), |
1205 | SENSOR_ATTR(pwm2_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output, |
1206 | store_fan_stop_output, 1), |
1207 | SENSOR_ATTR(pwm3_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output, |
1208 | store_fan_stop_output, 2), |
1209 | |
1210 | /* pwm1 and pwm3 don't support max and step settings */ |
1211 | SENSOR_ATTR(pwm2_max_output, S_IWUSR | S_IRUGO, show_fan_max_output, |
1212 | store_fan_max_output, 1), |
1213 | SENSOR_ATTR(pwm2_step_output, S_IWUSR | S_IRUGO, show_fan_step_output, |
1214 | store_fan_step_output, 1), |
1215 | }; |
1216 | |
1217 | static ssize_t |
1218 | show_vid(struct device *dev, struct device_attribute *attr, char *buf) |
1219 | { |
1220 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
1221 | return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); |
1222 | } |
1223 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); |
1224 | |
1225 | /* |
1226 | * Driver and device management |
1227 | */ |
1228 | |
1229 | static void w83627ehf_device_remove_files(struct device *dev) |
1230 | { |
1231 | /* some entries in the following arrays may not have been used in |
1232 | * device_create_file(), but device_remove_file() will ignore them */ |
1233 | int i; |
1234 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
1235 | |
1236 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) |
1237 | device_remove_file(dev, &sda_sf3_arrays[i].dev_attr); |
1238 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) |
1239 | device_remove_file(dev, &sda_sf3_arrays_fan4[i].dev_attr); |
1240 | for (i = 0; i < data->in_num; i++) { |
1241 | if ((i == 6) && data->in6_skip) |
1242 | continue; |
1243 | device_remove_file(dev, &sda_in_input[i].dev_attr); |
1244 | device_remove_file(dev, &sda_in_alarm[i].dev_attr); |
1245 | device_remove_file(dev, &sda_in_min[i].dev_attr); |
1246 | device_remove_file(dev, &sda_in_max[i].dev_attr); |
1247 | } |
1248 | for (i = 0; i < 5; i++) { |
1249 | device_remove_file(dev, &sda_fan_input[i].dev_attr); |
1250 | device_remove_file(dev, &sda_fan_alarm[i].dev_attr); |
1251 | device_remove_file(dev, &sda_fan_div[i].dev_attr); |
1252 | device_remove_file(dev, &sda_fan_min[i].dev_attr); |
1253 | } |
1254 | for (i = 0; i < data->pwm_num; i++) { |
1255 | device_remove_file(dev, &sda_pwm[i].dev_attr); |
1256 | device_remove_file(dev, &sda_pwm_mode[i].dev_attr); |
1257 | device_remove_file(dev, &sda_pwm_enable[i].dev_attr); |
1258 | device_remove_file(dev, &sda_target_temp[i].dev_attr); |
1259 | device_remove_file(dev, &sda_tolerance[i].dev_attr); |
1260 | } |
1261 | for (i = 0; i < 3; i++) { |
1262 | if ((i == 2) && data->temp3_disable) |
1263 | continue; |
1264 | device_remove_file(dev, &sda_temp_input[i].dev_attr); |
1265 | device_remove_file(dev, &sda_temp_max[i].dev_attr); |
1266 | device_remove_file(dev, &sda_temp_max_hyst[i].dev_attr); |
1267 | device_remove_file(dev, &sda_temp_alarm[i].dev_attr); |
1268 | device_remove_file(dev, &sda_temp_type[i].dev_attr); |
1269 | } |
1270 | |
1271 | device_remove_file(dev, &dev_attr_name); |
1272 | device_remove_file(dev, &dev_attr_cpu0_vid); |
1273 | } |
1274 | |
1275 | /* Get the monitoring functions started */ |
1276 | static inline void __devinit w83627ehf_init_device(struct w83627ehf_data *data) |
1277 | { |
1278 | int i; |
1279 | u8 tmp, diode; |
1280 | |
1281 | /* Start monitoring is needed */ |
1282 | tmp = w83627ehf_read_value(data, W83627EHF_REG_CONFIG); |
1283 | if (!(tmp & 0x01)) |
1284 | w83627ehf_write_value(data, W83627EHF_REG_CONFIG, |
1285 | tmp | 0x01); |
1286 | |
1287 | /* Enable temp2 and temp3 if needed */ |
1288 | for (i = 0; i < 2; i++) { |
1289 | tmp = w83627ehf_read_value(data, |
1290 | W83627EHF_REG_TEMP_CONFIG[i]); |
1291 | if ((i == 1) && data->temp3_disable) |
1292 | continue; |
1293 | if (tmp & 0x01) |
1294 | w83627ehf_write_value(data, |
1295 | W83627EHF_REG_TEMP_CONFIG[i], |
1296 | tmp & 0xfe); |
1297 | } |
1298 | |
1299 | /* Enable VBAT monitoring if needed */ |
1300 | tmp = w83627ehf_read_value(data, W83627EHF_REG_VBAT); |
1301 | if (!(tmp & 0x01)) |
1302 | w83627ehf_write_value(data, W83627EHF_REG_VBAT, tmp | 0x01); |
1303 | |
1304 | /* Get thermal sensor types */ |
1305 | diode = w83627ehf_read_value(data, W83627EHF_REG_DIODE); |
1306 | for (i = 0; i < 3; i++) { |
1307 | if ((tmp & (0x02 << i))) |
1308 | data->temp_type[i] = (diode & (0x10 << i)) ? 1 : 2; |
1309 | else |
1310 | data->temp_type[i] = 4; /* thermistor */ |
1311 | } |
1312 | } |
1313 | |
1314 | static int __devinit w83627ehf_probe(struct platform_device *pdev) |
1315 | { |
1316 | struct device *dev = &pdev->dev; |
1317 | struct w83627ehf_sio_data *sio_data = dev->platform_data; |
1318 | struct w83627ehf_data *data; |
1319 | struct resource *res; |
1320 | u8 fan4pin, fan5pin, en_vrm10; |
1321 | int i, err = 0; |
1322 | |
1323 | res = platform_get_resource(pdev, IORESOURCE_IO, 0); |
1324 | if (!request_region(res->start, IOREGION_LENGTH, DRVNAME)) { |
1325 | err = -EBUSY; |
1326 | dev_err(dev, "Failed to request region 0x%lx-0x%lx\n", |
1327 | (unsigned long)res->start, |
1328 | (unsigned long)res->start + IOREGION_LENGTH - 1); |
1329 | goto exit; |
1330 | } |
1331 | |
1332 | if (!(data = kzalloc(sizeof(struct w83627ehf_data), GFP_KERNEL))) { |
1333 | err = -ENOMEM; |
1334 | goto exit_release; |
1335 | } |
1336 | |
1337 | data->addr = res->start; |
1338 | mutex_init(&data->lock); |
1339 | mutex_init(&data->update_lock); |
1340 | data->name = w83627ehf_device_names[sio_data->kind]; |
1341 | platform_set_drvdata(pdev, data); |
1342 | |
1343 | /* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */ |
1344 | data->in_num = (sio_data->kind == w83627ehf) ? 10 : 9; |
1345 | /* 667HG has 3 pwms */ |
1346 | data->pwm_num = (sio_data->kind == w83667hg) ? 3 : 4; |
1347 | |
1348 | /* Check temp3 configuration bit for 667HG */ |
1349 | if (sio_data->kind == w83667hg) { |
1350 | data->temp3_disable = w83627ehf_read_value(data, |
1351 | W83627EHF_REG_TEMP_CONFIG[1]) & 0x01; |
1352 | data->in6_skip = !data->temp3_disable; |
1353 | } |
1354 | |
1355 | /* Initialize the chip */ |
1356 | w83627ehf_init_device(data); |
1357 | |
1358 | data->vrm = vid_which_vrm(); |
1359 | superio_enter(sio_data->sioreg); |
1360 | /* Read VID value */ |
1361 | if (sio_data->kind == w83667hg) { |
1362 | /* W83667HG has different pins for VID input and output, so |
1363 | we can get the VID input values directly at logical device D |
1364 | 0xe3. */ |
1365 | superio_select(sio_data->sioreg, W83667HG_LD_VID); |
1366 | data->vid = superio_inb(sio_data->sioreg, 0xe3); |
1367 | err = device_create_file(dev, &dev_attr_cpu0_vid); |
1368 | if (err) |
1369 | goto exit_release; |
1370 | } else { |
1371 | superio_select(sio_data->sioreg, W83627EHF_LD_HWM); |
1372 | if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) { |
1373 | /* Set VID input sensibility if needed. In theory the |
1374 | BIOS should have set it, but in practice it's not |
1375 | always the case. We only do it for the W83627EHF/EHG |
1376 | because the W83627DHG is more complex in this |
1377 | respect. */ |
1378 | if (sio_data->kind == w83627ehf) { |
1379 | en_vrm10 = superio_inb(sio_data->sioreg, |
1380 | SIO_REG_EN_VRM10); |
1381 | if ((en_vrm10 & 0x08) && data->vrm == 90) { |
1382 | dev_warn(dev, "Setting VID input " |
1383 | "voltage to TTL\n"); |
1384 | superio_outb(sio_data->sioreg, |
1385 | SIO_REG_EN_VRM10, |
1386 | en_vrm10 & ~0x08); |
1387 | } else if (!(en_vrm10 & 0x08) |
1388 | && data->vrm == 100) { |
1389 | dev_warn(dev, "Setting VID input " |
1390 | "voltage to VRM10\n"); |
1391 | superio_outb(sio_data->sioreg, |
1392 | SIO_REG_EN_VRM10, |
1393 | en_vrm10 | 0x08); |
1394 | } |
1395 | } |
1396 | |
1397 | data->vid = superio_inb(sio_data->sioreg, |
1398 | SIO_REG_VID_DATA); |
1399 | if (sio_data->kind == w83627ehf) /* 6 VID pins only */ |
1400 | data->vid &= 0x3f; |
1401 | |
1402 | err = device_create_file(dev, &dev_attr_cpu0_vid); |
1403 | if (err) |
1404 | goto exit_release; |
1405 | } else { |
1406 | dev_info(dev, "VID pins in output mode, CPU VID not " |
1407 | "available\n"); |
1408 | } |
1409 | } |
1410 | |
1411 | /* fan4 and fan5 share some pins with the GPIO and serial flash */ |
1412 | if (sio_data->kind == w83667hg) { |
1413 | fan5pin = superio_inb(sio_data->sioreg, 0x27) & 0x20; |
1414 | fan4pin = superio_inb(sio_data->sioreg, 0x27) & 0x40; |
1415 | } else { |
1416 | fan5pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x02); |
1417 | fan4pin = !(superio_inb(sio_data->sioreg, 0x29) & 0x06); |
1418 | } |
1419 | superio_exit(sio_data->sioreg); |
1420 | |
1421 | /* It looks like fan4 and fan5 pins can be alternatively used |
1422 | as fan on/off switches, but fan5 control is write only :/ |
1423 | We assume that if the serial interface is disabled, designers |
1424 | connected fan5 as input unless they are emitting log 1, which |
1425 | is not the default. */ |
1426 | |
1427 | data->has_fan = 0x07; /* fan1, fan2 and fan3 */ |
1428 | i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1); |
1429 | if ((i & (1 << 2)) && fan4pin) |
1430 | data->has_fan |= (1 << 3); |
1431 | if (!(i & (1 << 1)) && fan5pin) |
1432 | data->has_fan |= (1 << 4); |
1433 | |
1434 | /* Read fan clock dividers immediately */ |
1435 | w83627ehf_update_fan_div(data); |
1436 | |
1437 | /* Register sysfs hooks */ |
1438 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) |
1439 | if ((err = device_create_file(dev, |
1440 | &sda_sf3_arrays[i].dev_attr))) |
1441 | goto exit_remove; |
1442 | |
1443 | /* if fan4 is enabled create the sf3 files for it */ |
1444 | if ((data->has_fan & (1 << 3)) && data->pwm_num >= 4) |
1445 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) { |
1446 | if ((err = device_create_file(dev, |
1447 | &sda_sf3_arrays_fan4[i].dev_attr))) |
1448 | goto exit_remove; |
1449 | } |
1450 | |
1451 | for (i = 0; i < data->in_num; i++) { |
1452 | if ((i == 6) && data->in6_skip) |
1453 | continue; |
1454 | if ((err = device_create_file(dev, &sda_in_input[i].dev_attr)) |
1455 | || (err = device_create_file(dev, |
1456 | &sda_in_alarm[i].dev_attr)) |
1457 | || (err = device_create_file(dev, |
1458 | &sda_in_min[i].dev_attr)) |
1459 | || (err = device_create_file(dev, |
1460 | &sda_in_max[i].dev_attr))) |
1461 | goto exit_remove; |
1462 | } |
1463 | |
1464 | for (i = 0; i < 5; i++) { |
1465 | if (data->has_fan & (1 << i)) { |
1466 | if ((err = device_create_file(dev, |
1467 | &sda_fan_input[i].dev_attr)) |
1468 | || (err = device_create_file(dev, |
1469 | &sda_fan_alarm[i].dev_attr)) |
1470 | || (err = device_create_file(dev, |
1471 | &sda_fan_div[i].dev_attr)) |
1472 | || (err = device_create_file(dev, |
1473 | &sda_fan_min[i].dev_attr))) |
1474 | goto exit_remove; |
1475 | if (i < data->pwm_num && |
1476 | ((err = device_create_file(dev, |
1477 | &sda_pwm[i].dev_attr)) |
1478 | || (err = device_create_file(dev, |
1479 | &sda_pwm_mode[i].dev_attr)) |
1480 | || (err = device_create_file(dev, |
1481 | &sda_pwm_enable[i].dev_attr)) |
1482 | || (err = device_create_file(dev, |
1483 | &sda_target_temp[i].dev_attr)) |
1484 | || (err = device_create_file(dev, |
1485 | &sda_tolerance[i].dev_attr)))) |
1486 | goto exit_remove; |
1487 | } |
1488 | } |
1489 | |
1490 | for (i = 0; i < 3; i++) { |
1491 | if ((i == 2) && data->temp3_disable) |
1492 | continue; |
1493 | if ((err = device_create_file(dev, |
1494 | &sda_temp_input[i].dev_attr)) |
1495 | || (err = device_create_file(dev, |
1496 | &sda_temp_max[i].dev_attr)) |
1497 | || (err = device_create_file(dev, |
1498 | &sda_temp_max_hyst[i].dev_attr)) |
1499 | || (err = device_create_file(dev, |
1500 | &sda_temp_alarm[i].dev_attr)) |
1501 | || (err = device_create_file(dev, |
1502 | &sda_temp_type[i].dev_attr))) |
1503 | goto exit_remove; |
1504 | } |
1505 | |
1506 | err = device_create_file(dev, &dev_attr_name); |
1507 | if (err) |
1508 | goto exit_remove; |
1509 | |
1510 | data->hwmon_dev = hwmon_device_register(dev); |
1511 | if (IS_ERR(data->hwmon_dev)) { |
1512 | err = PTR_ERR(data->hwmon_dev); |
1513 | goto exit_remove; |
1514 | } |
1515 | |
1516 | return 0; |
1517 | |
1518 | exit_remove: |
1519 | w83627ehf_device_remove_files(dev); |
1520 | kfree(data); |
1521 | platform_set_drvdata(pdev, NULL); |
1522 | exit_release: |
1523 | release_region(res->start, IOREGION_LENGTH); |
1524 | exit: |
1525 | return err; |
1526 | } |
1527 | |
1528 | static int __devexit w83627ehf_remove(struct platform_device *pdev) |
1529 | { |
1530 | struct w83627ehf_data *data = platform_get_drvdata(pdev); |
1531 | |
1532 | hwmon_device_unregister(data->hwmon_dev); |
1533 | w83627ehf_device_remove_files(&pdev->dev); |
1534 | release_region(data->addr, IOREGION_LENGTH); |
1535 | platform_set_drvdata(pdev, NULL); |
1536 | kfree(data); |
1537 | |
1538 | return 0; |
1539 | } |
1540 | |
1541 | static struct platform_driver w83627ehf_driver = { |
1542 | .driver = { |
1543 | .owner = THIS_MODULE, |
1544 | .name = DRVNAME, |
1545 | }, |
1546 | .probe = w83627ehf_probe, |
1547 | .remove = __devexit_p(w83627ehf_remove), |
1548 | }; |
1549 | |
1550 | /* w83627ehf_find() looks for a '627 in the Super-I/O config space */ |
1551 | static int __init w83627ehf_find(int sioaddr, unsigned short *addr, |
1552 | struct w83627ehf_sio_data *sio_data) |
1553 | { |
1554 | static const char __initdata sio_name_W83627EHF[] = "W83627EHF"; |
1555 | static const char __initdata sio_name_W83627EHG[] = "W83627EHG"; |
1556 | static const char __initdata sio_name_W83627DHG[] = "W83627DHG"; |
1557 | static const char __initdata sio_name_W83627DHG_P[] = "W83627DHG-P"; |
1558 | static const char __initdata sio_name_W83667HG[] = "W83667HG"; |
1559 | |
1560 | u16 val; |
1561 | const char *sio_name; |
1562 | |
1563 | superio_enter(sioaddr); |
1564 | |
1565 | if (force_id) |
1566 | val = force_id; |
1567 | else |
1568 | val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8) |
1569 | | superio_inb(sioaddr, SIO_REG_DEVID + 1); |
1570 | switch (val & SIO_ID_MASK) { |
1571 | case SIO_W83627EHF_ID: |
1572 | sio_data->kind = w83627ehf; |
1573 | sio_name = sio_name_W83627EHF; |
1574 | break; |
1575 | case SIO_W83627EHG_ID: |
1576 | sio_data->kind = w83627ehf; |
1577 | sio_name = sio_name_W83627EHG; |
1578 | break; |
1579 | case SIO_W83627DHG_ID: |
1580 | sio_data->kind = w83627dhg; |
1581 | sio_name = sio_name_W83627DHG; |
1582 | break; |
1583 | case SIO_W83627DHG_P_ID: |
1584 | sio_data->kind = w83627dhg_p; |
1585 | sio_name = sio_name_W83627DHG_P; |
1586 | break; |
1587 | case SIO_W83667HG_ID: |
1588 | sio_data->kind = w83667hg; |
1589 | sio_name = sio_name_W83667HG; |
1590 | break; |
1591 | default: |
1592 | if (val != 0xffff) |
1593 | pr_debug(DRVNAME ": unsupported chip ID: 0x%04x\n", |
1594 | val); |
1595 | superio_exit(sioaddr); |
1596 | return -ENODEV; |
1597 | } |
1598 | |
1599 | /* We have a known chip, find the HWM I/O address */ |
1600 | superio_select(sioaddr, W83627EHF_LD_HWM); |
1601 | val = (superio_inb(sioaddr, SIO_REG_ADDR) << 8) |
1602 | | superio_inb(sioaddr, SIO_REG_ADDR + 1); |
1603 | *addr = val & IOREGION_ALIGNMENT; |
1604 | if (*addr == 0) { |
1605 | printk(KERN_ERR DRVNAME ": Refusing to enable a Super-I/O " |
1606 | "device with a base I/O port 0.\n"); |
1607 | superio_exit(sioaddr); |
1608 | return -ENODEV; |
1609 | } |
1610 | |
1611 | /* Activate logical device if needed */ |
1612 | val = superio_inb(sioaddr, SIO_REG_ENABLE); |
1613 | if (!(val & 0x01)) { |
1614 | printk(KERN_WARNING DRVNAME ": Forcibly enabling Super-I/O. " |
1615 | "Sensor is probably unusable.\n"); |
1616 | superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01); |
1617 | } |
1618 | |
1619 | superio_exit(sioaddr); |
1620 | pr_info(DRVNAME ": Found %s chip at %#x\n", sio_name, *addr); |
1621 | sio_data->sioreg = sioaddr; |
1622 | |
1623 | return 0; |
1624 | } |
1625 | |
1626 | /* when Super-I/O functions move to a separate file, the Super-I/O |
1627 | * bus will manage the lifetime of the device and this module will only keep |
1628 | * track of the w83627ehf driver. But since we platform_device_alloc(), we |
1629 | * must keep track of the device */ |
1630 | static struct platform_device *pdev; |
1631 | |
1632 | static int __init sensors_w83627ehf_init(void) |
1633 | { |
1634 | int err; |
1635 | unsigned short address; |
1636 | struct resource res; |
1637 | struct w83627ehf_sio_data sio_data; |
1638 | |
1639 | /* initialize sio_data->kind and sio_data->sioreg. |
1640 | * |
1641 | * when Super-I/O functions move to a separate file, the Super-I/O |
1642 | * driver will probe 0x2e and 0x4e and auto-detect the presence of a |
1643 | * w83627ehf hardware monitor, and call probe() */ |
1644 | if (w83627ehf_find(0x2e, &address, &sio_data) && |
1645 | w83627ehf_find(0x4e, &address, &sio_data)) |
1646 | return -ENODEV; |
1647 | |
1648 | err = platform_driver_register(&w83627ehf_driver); |
1649 | if (err) |
1650 | goto exit; |
1651 | |
1652 | if (!(pdev = platform_device_alloc(DRVNAME, address))) { |
1653 | err = -ENOMEM; |
1654 | printk(KERN_ERR DRVNAME ": Device allocation failed\n"); |
1655 | goto exit_unregister; |
1656 | } |
1657 | |
1658 | err = platform_device_add_data(pdev, &sio_data, |
1659 | sizeof(struct w83627ehf_sio_data)); |
1660 | if (err) { |
1661 | printk(KERN_ERR DRVNAME ": Platform data allocation failed\n"); |
1662 | goto exit_device_put; |
1663 | } |
1664 | |
1665 | memset(&res, 0, sizeof(res)); |
1666 | res.name = DRVNAME; |
1667 | res.start = address + IOREGION_OFFSET; |
1668 | res.end = address + IOREGION_OFFSET + IOREGION_LENGTH - 1; |
1669 | res.flags = IORESOURCE_IO; |
1670 | |
1671 | err = acpi_check_resource_conflict(&res); |
1672 | if (err) |
1673 | goto exit_device_put; |
1674 | |
1675 | err = platform_device_add_resources(pdev, &res, 1); |
1676 | if (err) { |
1677 | printk(KERN_ERR DRVNAME ": Device resource addition failed " |
1678 | "(%d)\n", err); |
1679 | goto exit_device_put; |
1680 | } |
1681 | |
1682 | /* platform_device_add calls probe() */ |
1683 | err = platform_device_add(pdev); |
1684 | if (err) { |
1685 | printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n", |
1686 | err); |
1687 | goto exit_device_put; |
1688 | } |
1689 | |
1690 | return 0; |
1691 | |
1692 | exit_device_put: |
1693 | platform_device_put(pdev); |
1694 | exit_unregister: |
1695 | platform_driver_unregister(&w83627ehf_driver); |
1696 | exit: |
1697 | return err; |
1698 | } |
1699 | |
1700 | static void __exit sensors_w83627ehf_exit(void) |
1701 | { |
1702 | platform_device_unregister(pdev); |
1703 | platform_driver_unregister(&w83627ehf_driver); |
1704 | } |
1705 | |
1706 | MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); |
1707 | MODULE_DESCRIPTION("W83627EHF driver"); |
1708 | MODULE_LICENSE("GPL"); |
1709 | |
1710 | module_init(sensors_w83627ehf_init); |
1711 | module_exit(sensors_w83627ehf_exit); |
1712 |
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