1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware |
4 | * monitoring |
5 | * Copyright (c) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>, |
6 | * Philip Edelbrock <phil@netroedge.com>, |
7 | * and Mark Studebaker <mdsxyz123@yahoo.com> |
8 | * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org> |
9 | * Copyright (c) 2007 - 1012 Jean Delvare <jdelvare@suse.de> |
10 | */ |
11 | |
12 | /* |
13 | * Supports following chips: |
14 | * |
15 | * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA |
16 | * w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC) |
17 | * w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) |
18 | * w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC) |
19 | * w83687thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) |
20 | * w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC) |
21 | * |
22 | * For other winbond chips, and for i2c support in the above chips, |
23 | * use w83781d.c. |
24 | * |
25 | * Note: automatic ("cruise") fan control for 697, 637 & 627thf not |
26 | * supported yet. |
27 | */ |
28 | |
29 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
30 | |
31 | #include <linux/module.h> |
32 | #include <linux/init.h> |
33 | #include <linux/slab.h> |
34 | #include <linux/jiffies.h> |
35 | #include <linux/platform_device.h> |
36 | #include <linux/hwmon.h> |
37 | #include <linux/hwmon-sysfs.h> |
38 | #include <linux/hwmon-vid.h> |
39 | #include <linux/err.h> |
40 | #include <linux/mutex.h> |
41 | #include <linux/ioport.h> |
42 | #include <linux/acpi.h> |
43 | #include <linux/io.h> |
44 | #include "lm75.h" |
45 | |
46 | static struct platform_device *pdev; |
47 | |
48 | #define DRVNAME "w83627hf" |
49 | enum chips { w83627hf, w83627thf, w83697hf, w83637hf, w83687thf }; |
50 | |
51 | struct w83627hf_sio_data { |
52 | enum chips type; |
53 | int sioaddr; |
54 | }; |
55 | |
56 | static u8 force_i2c = 0x1f; |
57 | module_param(force_i2c, byte, 0); |
58 | MODULE_PARM_DESC(force_i2c, |
59 | "Initialize the i2c address of the sensors" ); |
60 | |
61 | static bool init = 1; |
62 | module_param(init, bool, 0); |
63 | MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization" ); |
64 | |
65 | static unsigned short force_id; |
66 | module_param(force_id, ushort, 0); |
67 | MODULE_PARM_DESC(force_id, "Override the detected device ID" ); |
68 | |
69 | /* modified from kernel/include/traps.c */ |
70 | #define DEV 0x07 /* Register: Logical device select */ |
71 | |
72 | /* logical device numbers for superio_select (below) */ |
73 | #define W83627HF_LD_FDC 0x00 |
74 | #define W83627HF_LD_PRT 0x01 |
75 | #define W83627HF_LD_UART1 0x02 |
76 | #define W83627HF_LD_UART2 0x03 |
77 | #define W83627HF_LD_KBC 0x05 |
78 | #define W83627HF_LD_CIR 0x06 /* w83627hf only */ |
79 | #define W83627HF_LD_GAME 0x07 |
80 | #define W83627HF_LD_MIDI 0x07 |
81 | #define W83627HF_LD_GPIO1 0x07 |
82 | #define W83627HF_LD_GPIO5 0x07 /* w83627thf only */ |
83 | #define W83627HF_LD_GPIO2 0x08 |
84 | #define W83627HF_LD_GPIO3 0x09 |
85 | #define W83627HF_LD_GPIO4 0x09 /* w83627thf only */ |
86 | #define W83627HF_LD_ACPI 0x0a |
87 | #define W83627HF_LD_HWM 0x0b |
88 | |
89 | #define DEVID 0x20 /* Register: Device ID */ |
90 | |
91 | #define W83627THF_GPIO5_EN 0x30 /* w83627thf only */ |
92 | #define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */ |
93 | #define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */ |
94 | |
95 | #define W83687THF_VID_EN 0x29 /* w83687thf only */ |
96 | #define W83687THF_VID_CFG 0xF0 /* w83687thf only */ |
97 | #define W83687THF_VID_DATA 0xF1 /* w83687thf only */ |
98 | |
99 | static inline void |
100 | superio_outb(struct w83627hf_sio_data *sio, int reg, int val) |
101 | { |
102 | outb(value: reg, port: sio->sioaddr); |
103 | outb(value: val, port: sio->sioaddr + 1); |
104 | } |
105 | |
106 | static inline int |
107 | superio_inb(struct w83627hf_sio_data *sio, int reg) |
108 | { |
109 | outb(value: reg, port: sio->sioaddr); |
110 | return inb(port: sio->sioaddr + 1); |
111 | } |
112 | |
113 | static inline void |
114 | superio_select(struct w83627hf_sio_data *sio, int ld) |
115 | { |
116 | outb(DEV, port: sio->sioaddr); |
117 | outb(value: ld, port: sio->sioaddr + 1); |
118 | } |
119 | |
120 | static inline int |
121 | superio_enter(struct w83627hf_sio_data *sio) |
122 | { |
123 | if (!request_muxed_region(sio->sioaddr, 2, DRVNAME)) |
124 | return -EBUSY; |
125 | |
126 | outb(value: 0x87, port: sio->sioaddr); |
127 | outb(value: 0x87, port: sio->sioaddr); |
128 | |
129 | return 0; |
130 | } |
131 | |
132 | static inline void |
133 | superio_exit(struct w83627hf_sio_data *sio) |
134 | { |
135 | outb(value: 0xAA, port: sio->sioaddr); |
136 | release_region(sio->sioaddr, 2); |
137 | } |
138 | |
139 | #define W627_DEVID 0x52 |
140 | #define W627THF_DEVID 0x82 |
141 | #define W697_DEVID 0x60 |
142 | #define W637_DEVID 0x70 |
143 | #define W687THF_DEVID 0x85 |
144 | #define WINB_ACT_REG 0x30 |
145 | #define WINB_BASE_REG 0x60 |
146 | /* Constants specified below */ |
147 | |
148 | /* Alignment of the base address */ |
149 | #define WINB_ALIGNMENT ~7 |
150 | |
151 | /* Offset & size of I/O region we are interested in */ |
152 | #define WINB_REGION_OFFSET 5 |
153 | #define WINB_REGION_SIZE 2 |
154 | |
155 | /* Where are the sensors address/data registers relative to the region offset */ |
156 | #define W83781D_ADDR_REG_OFFSET 0 |
157 | #define W83781D_DATA_REG_OFFSET 1 |
158 | |
159 | /* The W83781D registers */ |
160 | /* The W83782D registers for nr=7,8 are in bank 5 */ |
161 | #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ |
162 | (0x554 + (((nr) - 7) * 2))) |
163 | #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ |
164 | (0x555 + (((nr) - 7) * 2))) |
165 | #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ |
166 | (0x550 + (nr) - 7)) |
167 | |
168 | /* nr:0-2 for fans:1-3 */ |
169 | #define W83627HF_REG_FAN_MIN(nr) (0x3b + (nr)) |
170 | #define W83627HF_REG_FAN(nr) (0x28 + (nr)) |
171 | |
172 | #define W83627HF_REG_TEMP2_CONFIG 0x152 |
173 | #define W83627HF_REG_TEMP3_CONFIG 0x252 |
174 | /* these are zero-based, unlike config constants above */ |
175 | static const u16 w83627hf_reg_temp[] = { 0x27, 0x150, 0x250 }; |
176 | static const u16 w83627hf_reg_temp_hyst[] = { 0x3A, 0x153, 0x253 }; |
177 | static const u16 w83627hf_reg_temp_over[] = { 0x39, 0x155, 0x255 }; |
178 | |
179 | #define W83781D_REG_BANK 0x4E |
180 | |
181 | #define W83781D_REG_CONFIG 0x40 |
182 | #define W83781D_REG_ALARM1 0x459 |
183 | #define W83781D_REG_ALARM2 0x45A |
184 | #define W83781D_REG_ALARM3 0x45B |
185 | |
186 | #define W83781D_REG_BEEP_CONFIG 0x4D |
187 | #define W83781D_REG_BEEP_INTS1 0x56 |
188 | #define W83781D_REG_BEEP_INTS2 0x57 |
189 | #define W83781D_REG_BEEP_INTS3 0x453 |
190 | |
191 | #define W83781D_REG_VID_FANDIV 0x47 |
192 | |
193 | #define W83781D_REG_CHIPID 0x49 |
194 | #define W83781D_REG_WCHIPID 0x58 |
195 | #define W83781D_REG_CHIPMAN 0x4F |
196 | #define W83781D_REG_PIN 0x4B |
197 | |
198 | #define W83781D_REG_VBAT 0x5D |
199 | |
200 | #define W83627HF_REG_PWM1 0x5A |
201 | #define W83627HF_REG_PWM2 0x5B |
202 | |
203 | static const u8 W83627THF_REG_PWM_ENABLE[] = { |
204 | 0x04, /* FAN 1 mode */ |
205 | 0x04, /* FAN 2 mode */ |
206 | 0x12, /* FAN AUX mode */ |
207 | }; |
208 | static const u8 W83627THF_PWM_ENABLE_SHIFT[] = { 2, 4, 1 }; |
209 | |
210 | #define W83627THF_REG_PWM1 0x01 /* 697HF/637HF/687THF too */ |
211 | #define W83627THF_REG_PWM2 0x03 /* 697HF/637HF/687THF too */ |
212 | #define W83627THF_REG_PWM3 0x11 /* 637HF/687THF too */ |
213 | |
214 | #define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF/687THF too */ |
215 | |
216 | static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 }; |
217 | static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2, |
218 | W83627THF_REG_PWM3 }; |
219 | #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \ |
220 | regpwm_627hf[nr] : regpwm[nr]) |
221 | |
222 | #define W83627HF_REG_PWM_FREQ 0x5C /* Only for the 627HF */ |
223 | |
224 | #define W83637HF_REG_PWM_FREQ1 0x00 /* 697HF/687THF too */ |
225 | #define W83637HF_REG_PWM_FREQ2 0x02 /* 697HF/687THF too */ |
226 | #define W83637HF_REG_PWM_FREQ3 0x10 /* 687THF too */ |
227 | |
228 | static const u8 W83637HF_REG_PWM_FREQ[] = { W83637HF_REG_PWM_FREQ1, |
229 | W83637HF_REG_PWM_FREQ2, |
230 | W83637HF_REG_PWM_FREQ3 }; |
231 | |
232 | #define W83627HF_BASE_PWM_FREQ 46870 |
233 | |
234 | #define W83781D_REG_I2C_ADDR 0x48 |
235 | #define W83781D_REG_I2C_SUBADDR 0x4A |
236 | |
237 | /* Sensor selection */ |
238 | #define W83781D_REG_SCFG1 0x5D |
239 | static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; |
240 | #define W83781D_REG_SCFG2 0x59 |
241 | static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; |
242 | #define W83781D_DEFAULT_BETA 3435 |
243 | |
244 | /* |
245 | * Conversions. Limit checking is only done on the TO_REG |
246 | * variants. Note that you should be a bit careful with which arguments |
247 | * these macros are called: arguments may be evaluated more than once. |
248 | * Fixing this is just not worth it. |
249 | */ |
250 | #define IN_TO_REG(val) (clamp_val((((val) + 8) / 16), 0, 255)) |
251 | #define IN_FROM_REG(val) ((val) * 16) |
252 | |
253 | static inline u8 FAN_TO_REG(long rpm, int div) |
254 | { |
255 | if (rpm == 0) |
256 | return 255; |
257 | rpm = clamp_val(rpm, 1, 1000000); |
258 | return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); |
259 | } |
260 | |
261 | #define TEMP_MIN (-128000) |
262 | #define TEMP_MAX ( 127000) |
263 | |
264 | /* |
265 | * TEMP: 0.001C/bit (-128C to +127C) |
266 | * REG: 1C/bit, two's complement |
267 | */ |
268 | static u8 TEMP_TO_REG(long temp) |
269 | { |
270 | int ntemp = clamp_val(temp, TEMP_MIN, TEMP_MAX); |
271 | ntemp += (ntemp < 0 ? -500 : 500); |
272 | return (u8)(ntemp / 1000); |
273 | } |
274 | |
275 | static int TEMP_FROM_REG(u8 reg) |
276 | { |
277 | return (s8)reg * 1000; |
278 | } |
279 | |
280 | #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div))) |
281 | |
282 | #define PWM_TO_REG(val) (clamp_val((val), 0, 255)) |
283 | |
284 | static inline unsigned long pwm_freq_from_reg_627hf(u8 reg) |
285 | { |
286 | unsigned long freq; |
287 | freq = W83627HF_BASE_PWM_FREQ >> reg; |
288 | return freq; |
289 | } |
290 | static inline u8 pwm_freq_to_reg_627hf(unsigned long val) |
291 | { |
292 | u8 i; |
293 | /* |
294 | * Only 5 dividers (1 2 4 8 16) |
295 | * Search for the nearest available frequency |
296 | */ |
297 | for (i = 0; i < 4; i++) { |
298 | if (val > (((W83627HF_BASE_PWM_FREQ >> i) + |
299 | (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2)) |
300 | break; |
301 | } |
302 | return i; |
303 | } |
304 | |
305 | static inline unsigned long pwm_freq_from_reg(u8 reg) |
306 | { |
307 | /* Clock bit 8 -> 180 kHz or 24 MHz */ |
308 | unsigned long clock = (reg & 0x80) ? 180000UL : 24000000UL; |
309 | |
310 | reg &= 0x7f; |
311 | /* This should not happen but anyway... */ |
312 | if (reg == 0) |
313 | reg++; |
314 | return clock / (reg << 8); |
315 | } |
316 | static inline u8 pwm_freq_to_reg(unsigned long val) |
317 | { |
318 | /* Minimum divider value is 0x01 and maximum is 0x7F */ |
319 | if (val >= 93750) /* The highest we can do */ |
320 | return 0x01; |
321 | if (val >= 720) /* Use 24 MHz clock */ |
322 | return 24000000UL / (val << 8); |
323 | if (val < 6) /* The lowest we can do */ |
324 | return 0xFF; |
325 | else /* Use 180 kHz clock */ |
326 | return 0x80 | (180000UL / (val << 8)); |
327 | } |
328 | |
329 | #define BEEP_MASK_FROM_REG(val) ((val) & 0xff7fff) |
330 | #define BEEP_MASK_TO_REG(val) ((val) & 0xff7fff) |
331 | |
332 | #define DIV_FROM_REG(val) (1 << (val)) |
333 | |
334 | static inline u8 DIV_TO_REG(long val) |
335 | { |
336 | int i; |
337 | val = clamp_val(val, 1, 128) >> 1; |
338 | for (i = 0; i < 7; i++) { |
339 | if (val == 0) |
340 | break; |
341 | val >>= 1; |
342 | } |
343 | return (u8)i; |
344 | } |
345 | |
346 | /* |
347 | * For each registered chip, we need to keep some data in memory. |
348 | * The structure is dynamically allocated. |
349 | */ |
350 | struct w83627hf_data { |
351 | unsigned short addr; |
352 | const char *name; |
353 | struct device *hwmon_dev; |
354 | struct mutex lock; |
355 | enum chips type; |
356 | |
357 | struct mutex update_lock; |
358 | bool valid; /* true if following fields are valid */ |
359 | unsigned long last_updated; /* In jiffies */ |
360 | |
361 | u8 in[9]; /* Register value */ |
362 | u8 in_max[9]; /* Register value */ |
363 | u8 in_min[9]; /* Register value */ |
364 | u8 fan[3]; /* Register value */ |
365 | u8 fan_min[3]; /* Register value */ |
366 | u16 temp[3]; /* Register value */ |
367 | u16 temp_max[3]; /* Register value */ |
368 | u16 temp_max_hyst[3]; /* Register value */ |
369 | u8 fan_div[3]; /* Register encoding, shifted right */ |
370 | u8 vid; /* Register encoding, combined */ |
371 | u32 alarms; /* Register encoding, combined */ |
372 | u32 beep_mask; /* Register encoding, combined */ |
373 | u8 pwm[3]; /* Register value */ |
374 | u8 pwm_enable[3]; /* 1 = manual |
375 | * 2 = thermal cruise (also called SmartFan I) |
376 | * 3 = fan speed cruise |
377 | */ |
378 | u8 pwm_freq[3]; /* Register value */ |
379 | u16 sens[3]; /* 1 = pentium diode; 2 = 3904 diode; |
380 | * 4 = thermistor |
381 | */ |
382 | u8 vrm; |
383 | u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */ |
384 | |
385 | #ifdef CONFIG_PM |
386 | /* Remember extra register values over suspend/resume */ |
387 | u8 scfg1; |
388 | u8 scfg2; |
389 | #endif |
390 | }; |
391 | |
392 | /* Registers 0x50-0x5f are banked */ |
393 | static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg) |
394 | { |
395 | if ((reg & 0x00f0) == 0x50) { |
396 | outb_p(W83781D_REG_BANK, port: data->addr + W83781D_ADDR_REG_OFFSET); |
397 | outb_p(value: reg >> 8, port: data->addr + W83781D_DATA_REG_OFFSET); |
398 | } |
399 | } |
400 | |
401 | /* Not strictly necessary, but play it safe for now */ |
402 | static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg) |
403 | { |
404 | if (reg & 0xff00) { |
405 | outb_p(W83781D_REG_BANK, port: data->addr + W83781D_ADDR_REG_OFFSET); |
406 | outb_p(value: 0, port: data->addr + W83781D_DATA_REG_OFFSET); |
407 | } |
408 | } |
409 | |
410 | static int w83627hf_read_value(struct w83627hf_data *data, u16 reg) |
411 | { |
412 | int res, word_sized; |
413 | |
414 | mutex_lock(&data->lock); |
415 | word_sized = (((reg & 0xff00) == 0x100) |
416 | || ((reg & 0xff00) == 0x200)) |
417 | && (((reg & 0x00ff) == 0x50) |
418 | || ((reg & 0x00ff) == 0x53) |
419 | || ((reg & 0x00ff) == 0x55)); |
420 | w83627hf_set_bank(data, reg); |
421 | outb_p(value: reg & 0xff, port: data->addr + W83781D_ADDR_REG_OFFSET); |
422 | res = inb_p(port: data->addr + W83781D_DATA_REG_OFFSET); |
423 | if (word_sized) { |
424 | outb_p(value: (reg & 0xff) + 1, |
425 | port: data->addr + W83781D_ADDR_REG_OFFSET); |
426 | res = |
427 | (res << 8) + inb_p(port: data->addr + |
428 | W83781D_DATA_REG_OFFSET); |
429 | } |
430 | w83627hf_reset_bank(data, reg); |
431 | mutex_unlock(lock: &data->lock); |
432 | return res; |
433 | } |
434 | |
435 | static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value) |
436 | { |
437 | int word_sized; |
438 | |
439 | mutex_lock(&data->lock); |
440 | word_sized = (((reg & 0xff00) == 0x100) |
441 | || ((reg & 0xff00) == 0x200)) |
442 | && (((reg & 0x00ff) == 0x53) |
443 | || ((reg & 0x00ff) == 0x55)); |
444 | w83627hf_set_bank(data, reg); |
445 | outb_p(value: reg & 0xff, port: data->addr + W83781D_ADDR_REG_OFFSET); |
446 | if (word_sized) { |
447 | outb_p(value: value >> 8, |
448 | port: data->addr + W83781D_DATA_REG_OFFSET); |
449 | outb_p(value: (reg & 0xff) + 1, |
450 | port: data->addr + W83781D_ADDR_REG_OFFSET); |
451 | } |
452 | outb_p(value: value & 0xff, |
453 | port: data->addr + W83781D_DATA_REG_OFFSET); |
454 | w83627hf_reset_bank(data, reg); |
455 | mutex_unlock(lock: &data->lock); |
456 | return 0; |
457 | } |
458 | |
459 | static void w83627hf_update_fan_div(struct w83627hf_data *data) |
460 | { |
461 | int reg; |
462 | |
463 | reg = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); |
464 | data->fan_div[0] = (reg >> 4) & 0x03; |
465 | data->fan_div[1] = (reg >> 6) & 0x03; |
466 | if (data->type != w83697hf) { |
467 | data->fan_div[2] = (w83627hf_read_value(data, |
468 | W83781D_REG_PIN) >> 6) & 0x03; |
469 | } |
470 | reg = w83627hf_read_value(data, W83781D_REG_VBAT); |
471 | data->fan_div[0] |= (reg >> 3) & 0x04; |
472 | data->fan_div[1] |= (reg >> 4) & 0x04; |
473 | if (data->type != w83697hf) |
474 | data->fan_div[2] |= (reg >> 5) & 0x04; |
475 | } |
476 | |
477 | static struct w83627hf_data *w83627hf_update_device(struct device *dev) |
478 | { |
479 | struct w83627hf_data *data = dev_get_drvdata(dev); |
480 | int i, num_temps = (data->type == w83697hf) ? 2 : 3; |
481 | int num_pwms = (data->type == w83697hf) ? 2 : 3; |
482 | |
483 | mutex_lock(&data->update_lock); |
484 | |
485 | if (time_after(jiffies, data->last_updated + HZ + HZ / 2) |
486 | || !data->valid) { |
487 | for (i = 0; i <= 8; i++) { |
488 | /* skip missing sensors */ |
489 | if (((data->type == w83697hf) && (i == 1)) || |
490 | ((data->type != w83627hf && data->type != w83697hf) |
491 | && (i == 5 || i == 6))) |
492 | continue; |
493 | data->in[i] = |
494 | w83627hf_read_value(data, W83781D_REG_IN(i)); |
495 | data->in_min[i] = |
496 | w83627hf_read_value(data, |
497 | W83781D_REG_IN_MIN(i)); |
498 | data->in_max[i] = |
499 | w83627hf_read_value(data, |
500 | W83781D_REG_IN_MAX(i)); |
501 | } |
502 | for (i = 0; i <= 2; i++) { |
503 | data->fan[i] = |
504 | w83627hf_read_value(data, W83627HF_REG_FAN(i)); |
505 | data->fan_min[i] = |
506 | w83627hf_read_value(data, |
507 | W83627HF_REG_FAN_MIN(i)); |
508 | } |
509 | for (i = 0; i <= 2; i++) { |
510 | u8 tmp = w83627hf_read_value(data, |
511 | W836X7HF_REG_PWM(data->type, i)); |
512 | /* bits 0-3 are reserved in 627THF */ |
513 | if (data->type == w83627thf) |
514 | tmp &= 0xf0; |
515 | data->pwm[i] = tmp; |
516 | if (i == 1 && |
517 | (data->type == w83627hf || data->type == w83697hf)) |
518 | break; |
519 | } |
520 | if (data->type == w83627hf) { |
521 | u8 tmp = w83627hf_read_value(data, |
522 | W83627HF_REG_PWM_FREQ); |
523 | data->pwm_freq[0] = tmp & 0x07; |
524 | data->pwm_freq[1] = (tmp >> 4) & 0x07; |
525 | } else if (data->type != w83627thf) { |
526 | for (i = 1; i <= 3; i++) { |
527 | data->pwm_freq[i - 1] = |
528 | w83627hf_read_value(data, |
529 | reg: W83637HF_REG_PWM_FREQ[i - 1]); |
530 | if (i == 2 && (data->type == w83697hf)) |
531 | break; |
532 | } |
533 | } |
534 | if (data->type != w83627hf) { |
535 | for (i = 0; i < num_pwms; i++) { |
536 | u8 tmp = w83627hf_read_value(data, |
537 | reg: W83627THF_REG_PWM_ENABLE[i]); |
538 | data->pwm_enable[i] = |
539 | ((tmp >> W83627THF_PWM_ENABLE_SHIFT[i]) |
540 | & 0x03) + 1; |
541 | } |
542 | } |
543 | for (i = 0; i < num_temps; i++) { |
544 | data->temp[i] = w83627hf_read_value( |
545 | data, reg: w83627hf_reg_temp[i]); |
546 | data->temp_max[i] = w83627hf_read_value( |
547 | data, reg: w83627hf_reg_temp_over[i]); |
548 | data->temp_max_hyst[i] = w83627hf_read_value( |
549 | data, reg: w83627hf_reg_temp_hyst[i]); |
550 | } |
551 | |
552 | w83627hf_update_fan_div(data); |
553 | |
554 | data->alarms = |
555 | w83627hf_read_value(data, W83781D_REG_ALARM1) | |
556 | (w83627hf_read_value(data, W83781D_REG_ALARM2) << 8) | |
557 | (w83627hf_read_value(data, W83781D_REG_ALARM3) << 16); |
558 | i = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); |
559 | data->beep_mask = (i << 8) | |
560 | w83627hf_read_value(data, W83781D_REG_BEEP_INTS1) | |
561 | w83627hf_read_value(data, W83781D_REG_BEEP_INTS3) << 16; |
562 | data->last_updated = jiffies; |
563 | data->valid = true; |
564 | } |
565 | |
566 | mutex_unlock(lock: &data->update_lock); |
567 | |
568 | return data; |
569 | } |
570 | |
571 | #ifdef CONFIG_PM |
572 | static int w83627hf_suspend(struct device *dev) |
573 | { |
574 | struct w83627hf_data *data = w83627hf_update_device(dev); |
575 | |
576 | mutex_lock(&data->update_lock); |
577 | data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1); |
578 | data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2); |
579 | mutex_unlock(lock: &data->update_lock); |
580 | |
581 | return 0; |
582 | } |
583 | |
584 | static int w83627hf_resume(struct device *dev) |
585 | { |
586 | struct w83627hf_data *data = dev_get_drvdata(dev); |
587 | int i, num_temps = (data->type == w83697hf) ? 2 : 3; |
588 | |
589 | /* Restore limits */ |
590 | mutex_lock(&data->update_lock); |
591 | for (i = 0; i <= 8; i++) { |
592 | /* skip missing sensors */ |
593 | if (((data->type == w83697hf) && (i == 1)) || |
594 | ((data->type != w83627hf && data->type != w83697hf) |
595 | && (i == 5 || i == 6))) |
596 | continue; |
597 | w83627hf_write_value(data, W83781D_REG_IN_MAX(i), |
598 | value: data->in_max[i]); |
599 | w83627hf_write_value(data, W83781D_REG_IN_MIN(i), |
600 | value: data->in_min[i]); |
601 | } |
602 | for (i = 0; i <= 2; i++) |
603 | w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i), |
604 | value: data->fan_min[i]); |
605 | for (i = 0; i < num_temps; i++) { |
606 | w83627hf_write_value(data, reg: w83627hf_reg_temp_over[i], |
607 | value: data->temp_max[i]); |
608 | w83627hf_write_value(data, reg: w83627hf_reg_temp_hyst[i], |
609 | value: data->temp_max_hyst[i]); |
610 | } |
611 | |
612 | /* Fixup BIOS bugs */ |
613 | if (data->type == w83627thf || data->type == w83637hf || |
614 | data->type == w83687thf) |
615 | w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG, |
616 | value: data->vrm_ovt); |
617 | w83627hf_write_value(data, W83781D_REG_SCFG1, value: data->scfg1); |
618 | w83627hf_write_value(data, W83781D_REG_SCFG2, value: data->scfg2); |
619 | |
620 | /* Force re-reading all values */ |
621 | data->valid = false; |
622 | mutex_unlock(lock: &data->update_lock); |
623 | |
624 | return 0; |
625 | } |
626 | |
627 | static const struct dev_pm_ops w83627hf_dev_pm_ops = { |
628 | .suspend = w83627hf_suspend, |
629 | .resume = w83627hf_resume, |
630 | }; |
631 | |
632 | #define W83627HF_DEV_PM_OPS (&w83627hf_dev_pm_ops) |
633 | #else |
634 | #define W83627HF_DEV_PM_OPS NULL |
635 | #endif /* CONFIG_PM */ |
636 | |
637 | static int w83627thf_read_gpio5(struct platform_device *pdev) |
638 | { |
639 | struct w83627hf_sio_data *sio_data = dev_get_platdata(dev: &pdev->dev); |
640 | int res = 0xff, sel; |
641 | |
642 | if (superio_enter(sio: sio_data)) { |
643 | /* |
644 | * Some other driver reserved the address space for itself. |
645 | * We don't want to fail driver instantiation because of that, |
646 | * so display a warning and keep going. |
647 | */ |
648 | dev_warn(&pdev->dev, |
649 | "Can not read VID data: Failed to enable SuperIO access\n" ); |
650 | return res; |
651 | } |
652 | |
653 | superio_select(sio: sio_data, W83627HF_LD_GPIO5); |
654 | |
655 | res = 0xff; |
656 | |
657 | /* Make sure these GPIO pins are enabled */ |
658 | if (!(superio_inb(sio: sio_data, W83627THF_GPIO5_EN) & (1<<3))) { |
659 | dev_dbg(&pdev->dev, "GPIO5 disabled, no VID function\n" ); |
660 | goto exit; |
661 | } |
662 | |
663 | /* |
664 | * Make sure the pins are configured for input |
665 | * There must be at least five (VRM 9), and possibly 6 (VRM 10) |
666 | */ |
667 | sel = superio_inb(sio: sio_data, W83627THF_GPIO5_IOSR) & 0x3f; |
668 | if ((sel & 0x1f) != 0x1f) { |
669 | dev_dbg(&pdev->dev, "GPIO5 not configured for VID " |
670 | "function\n" ); |
671 | goto exit; |
672 | } |
673 | |
674 | dev_info(&pdev->dev, "Reading VID from GPIO5\n" ); |
675 | res = superio_inb(sio: sio_data, W83627THF_GPIO5_DR) & sel; |
676 | |
677 | exit: |
678 | superio_exit(sio: sio_data); |
679 | return res; |
680 | } |
681 | |
682 | static int w83687thf_read_vid(struct platform_device *pdev) |
683 | { |
684 | struct w83627hf_sio_data *sio_data = dev_get_platdata(dev: &pdev->dev); |
685 | int res = 0xff; |
686 | |
687 | if (superio_enter(sio: sio_data)) { |
688 | /* |
689 | * Some other driver reserved the address space for itself. |
690 | * We don't want to fail driver instantiation because of that, |
691 | * so display a warning and keep going. |
692 | */ |
693 | dev_warn(&pdev->dev, |
694 | "Can not read VID data: Failed to enable SuperIO access\n" ); |
695 | return res; |
696 | } |
697 | |
698 | superio_select(sio: sio_data, W83627HF_LD_HWM); |
699 | |
700 | /* Make sure these GPIO pins are enabled */ |
701 | if (!(superio_inb(sio: sio_data, W83687THF_VID_EN) & (1 << 2))) { |
702 | dev_dbg(&pdev->dev, "VID disabled, no VID function\n" ); |
703 | goto exit; |
704 | } |
705 | |
706 | /* Make sure the pins are configured for input */ |
707 | if (!(superio_inb(sio: sio_data, W83687THF_VID_CFG) & (1 << 4))) { |
708 | dev_dbg(&pdev->dev, "VID configured as output, " |
709 | "no VID function\n" ); |
710 | goto exit; |
711 | } |
712 | |
713 | res = superio_inb(sio: sio_data, W83687THF_VID_DATA) & 0x3f; |
714 | |
715 | exit: |
716 | superio_exit(sio: sio_data); |
717 | return res; |
718 | } |
719 | |
720 | static void w83627hf_init_device(struct platform_device *pdev) |
721 | { |
722 | struct w83627hf_data *data = platform_get_drvdata(pdev); |
723 | int i; |
724 | enum chips type = data->type; |
725 | u8 tmp; |
726 | |
727 | /* Minimize conflicts with other winbond i2c-only clients... */ |
728 | /* disable i2c subclients... how to disable main i2c client?? */ |
729 | /* force i2c address to relatively uncommon address */ |
730 | if (type == w83627hf) { |
731 | w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, value: 0x89); |
732 | w83627hf_write_value(data, W83781D_REG_I2C_ADDR, value: force_i2c); |
733 | } |
734 | |
735 | /* Read VID only once */ |
736 | if (type == w83627hf || type == w83637hf) { |
737 | int lo = w83627hf_read_value(data, W83781D_REG_VID_FANDIV); |
738 | int hi = w83627hf_read_value(data, W83781D_REG_CHIPID); |
739 | data->vid = (lo & 0x0f) | ((hi & 0x01) << 4); |
740 | } else if (type == w83627thf) { |
741 | data->vid = w83627thf_read_gpio5(pdev); |
742 | } else if (type == w83687thf) { |
743 | data->vid = w83687thf_read_vid(pdev); |
744 | } |
745 | |
746 | /* Read VRM & OVT Config only once */ |
747 | if (type == w83627thf || type == w83637hf || type == w83687thf) { |
748 | data->vrm_ovt = |
749 | w83627hf_read_value(data, W83627THF_REG_VRM_OVT_CFG); |
750 | } |
751 | |
752 | tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); |
753 | for (i = 1; i <= 3; i++) { |
754 | if (!(tmp & BIT_SCFG1[i - 1])) { |
755 | data->sens[i - 1] = 4; |
756 | } else { |
757 | if (w83627hf_read_value |
758 | (data, |
759 | W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) |
760 | data->sens[i - 1] = 1; |
761 | else |
762 | data->sens[i - 1] = 2; |
763 | } |
764 | if ((type == w83697hf) && (i == 2)) |
765 | break; |
766 | } |
767 | |
768 | if(init) { |
769 | /* Enable temp2 */ |
770 | tmp = w83627hf_read_value(data, W83627HF_REG_TEMP2_CONFIG); |
771 | if (tmp & 0x01) { |
772 | dev_warn(&pdev->dev, "Enabling temp2, readings " |
773 | "might not make sense\n" ); |
774 | w83627hf_write_value(data, W83627HF_REG_TEMP2_CONFIG, |
775 | value: tmp & 0xfe); |
776 | } |
777 | |
778 | /* Enable temp3 */ |
779 | if (type != w83697hf) { |
780 | tmp = w83627hf_read_value(data, |
781 | W83627HF_REG_TEMP3_CONFIG); |
782 | if (tmp & 0x01) { |
783 | dev_warn(&pdev->dev, "Enabling temp3, " |
784 | "readings might not make sense\n" ); |
785 | w83627hf_write_value(data, |
786 | W83627HF_REG_TEMP3_CONFIG, value: tmp & 0xfe); |
787 | } |
788 | } |
789 | } |
790 | |
791 | /* Start monitoring */ |
792 | w83627hf_write_value(data, W83781D_REG_CONFIG, |
793 | value: (w83627hf_read_value(data, |
794 | W83781D_REG_CONFIG) & 0xf7) |
795 | | 0x01); |
796 | |
797 | /* Enable VBAT monitoring if needed */ |
798 | tmp = w83627hf_read_value(data, W83781D_REG_VBAT); |
799 | if (!(tmp & 0x01)) |
800 | w83627hf_write_value(data, W83781D_REG_VBAT, value: tmp | 0x01); |
801 | } |
802 | |
803 | /* use a different set of functions for in0 */ |
804 | static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg) |
805 | { |
806 | long in0; |
807 | |
808 | if ((data->vrm_ovt & 0x01) && |
809 | (w83627thf == data->type || w83637hf == data->type |
810 | || w83687thf == data->type)) |
811 | |
812 | /* use VRM9 calculation */ |
813 | in0 = (long)((reg * 488 + 70000 + 50) / 100); |
814 | else |
815 | /* use VRM8 (standard) calculation */ |
816 | in0 = (long)IN_FROM_REG(reg); |
817 | |
818 | return sprintf(buf,fmt: "%ld\n" , in0); |
819 | } |
820 | |
821 | static ssize_t in0_input_show(struct device *dev, |
822 | struct device_attribute *attr, char *buf) |
823 | { |
824 | struct w83627hf_data *data = w83627hf_update_device(dev); |
825 | return show_in_0(data, buf, reg: data->in[0]); |
826 | } |
827 | static DEVICE_ATTR_RO(in0_input); |
828 | |
829 | static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr, |
830 | char *buf) |
831 | { |
832 | struct w83627hf_data *data = w83627hf_update_device(dev); |
833 | return show_in_0(data, buf, reg: data->in_min[0]); |
834 | } |
835 | |
836 | static ssize_t in0_min_store(struct device *dev, |
837 | struct device_attribute *attr, const char *buf, |
838 | size_t count) |
839 | { |
840 | struct w83627hf_data *data = dev_get_drvdata(dev); |
841 | unsigned long val; |
842 | int err; |
843 | |
844 | err = kstrtoul(s: buf, base: 10, res: &val); |
845 | if (err) |
846 | return err; |
847 | |
848 | mutex_lock(&data->update_lock); |
849 | |
850 | if ((data->vrm_ovt & 0x01) && |
851 | (w83627thf == data->type || w83637hf == data->type |
852 | || w83687thf == data->type)) |
853 | |
854 | /* use VRM9 calculation */ |
855 | data->in_min[0] = |
856 | clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255); |
857 | else |
858 | /* use VRM8 (standard) calculation */ |
859 | data->in_min[0] = IN_TO_REG(val); |
860 | |
861 | w83627hf_write_value(data, W83781D_REG_IN_MIN(0), value: data->in_min[0]); |
862 | mutex_unlock(lock: &data->update_lock); |
863 | return count; |
864 | } |
865 | |
866 | static DEVICE_ATTR_RW(in0_min); |
867 | |
868 | static ssize_t in0_max_show(struct device *dev, struct device_attribute *attr, |
869 | char *buf) |
870 | { |
871 | struct w83627hf_data *data = w83627hf_update_device(dev); |
872 | return show_in_0(data, buf, reg: data->in_max[0]); |
873 | } |
874 | |
875 | static ssize_t in0_max_store(struct device *dev, |
876 | struct device_attribute *attr, const char *buf, |
877 | size_t count) |
878 | { |
879 | struct w83627hf_data *data = dev_get_drvdata(dev); |
880 | unsigned long val; |
881 | int err; |
882 | |
883 | err = kstrtoul(s: buf, base: 10, res: &val); |
884 | if (err) |
885 | return err; |
886 | |
887 | mutex_lock(&data->update_lock); |
888 | |
889 | if ((data->vrm_ovt & 0x01) && |
890 | (w83627thf == data->type || w83637hf == data->type |
891 | || w83687thf == data->type)) |
892 | |
893 | /* use VRM9 calculation */ |
894 | data->in_max[0] = |
895 | clamp_val(((val * 100) - 70000 + 244) / 488, 0, 255); |
896 | else |
897 | /* use VRM8 (standard) calculation */ |
898 | data->in_max[0] = IN_TO_REG(val); |
899 | |
900 | w83627hf_write_value(data, W83781D_REG_IN_MAX(0), value: data->in_max[0]); |
901 | mutex_unlock(lock: &data->update_lock); |
902 | return count; |
903 | } |
904 | |
905 | static DEVICE_ATTR_RW(in0_max); |
906 | |
907 | static ssize_t |
908 | alarm_show(struct device *dev, struct device_attribute *attr, char *buf) |
909 | { |
910 | struct w83627hf_data *data = w83627hf_update_device(dev); |
911 | int bitnr = to_sensor_dev_attr(attr)->index; |
912 | return sprintf(buf, fmt: "%u\n" , (data->alarms >> bitnr) & 1); |
913 | } |
914 | |
915 | static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0); |
916 | static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1); |
917 | static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2); |
918 | static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3); |
919 | static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 8); |
920 | static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 9); |
921 | static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 10); |
922 | static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 16); |
923 | static SENSOR_DEVICE_ATTR_RO(in8_alarm, alarm, 17); |
924 | static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 6); |
925 | static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 7); |
926 | static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 11); |
927 | static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 4); |
928 | static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 5); |
929 | static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 13); |
930 | |
931 | static ssize_t |
932 | beep_show(struct device *dev, struct device_attribute *attr, char *buf) |
933 | { |
934 | struct w83627hf_data *data = w83627hf_update_device(dev); |
935 | int bitnr = to_sensor_dev_attr(attr)->index; |
936 | return sprintf(buf, fmt: "%u\n" , (data->beep_mask >> bitnr) & 1); |
937 | } |
938 | |
939 | static ssize_t |
940 | beep_store(struct device *dev, struct device_attribute *attr, const char *buf, |
941 | size_t count) |
942 | { |
943 | struct w83627hf_data *data = dev_get_drvdata(dev); |
944 | int bitnr = to_sensor_dev_attr(attr)->index; |
945 | u8 reg; |
946 | unsigned long bit; |
947 | int err; |
948 | |
949 | err = kstrtoul(s: buf, base: 10, res: &bit); |
950 | if (err) |
951 | return err; |
952 | |
953 | if (bit & ~1) |
954 | return -EINVAL; |
955 | |
956 | mutex_lock(&data->update_lock); |
957 | if (bit) |
958 | data->beep_mask |= (1 << bitnr); |
959 | else |
960 | data->beep_mask &= ~(1 << bitnr); |
961 | |
962 | if (bitnr < 8) { |
963 | reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS1); |
964 | if (bit) |
965 | reg |= (1 << bitnr); |
966 | else |
967 | reg &= ~(1 << bitnr); |
968 | w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, value: reg); |
969 | } else if (bitnr < 16) { |
970 | reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS2); |
971 | if (bit) |
972 | reg |= (1 << (bitnr - 8)); |
973 | else |
974 | reg &= ~(1 << (bitnr - 8)); |
975 | w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, value: reg); |
976 | } else { |
977 | reg = w83627hf_read_value(data, W83781D_REG_BEEP_INTS3); |
978 | if (bit) |
979 | reg |= (1 << (bitnr - 16)); |
980 | else |
981 | reg &= ~(1 << (bitnr - 16)); |
982 | w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, value: reg); |
983 | } |
984 | mutex_unlock(lock: &data->update_lock); |
985 | |
986 | return count; |
987 | } |
988 | |
989 | static SENSOR_DEVICE_ATTR_RW(in0_beep, beep, 0); |
990 | static SENSOR_DEVICE_ATTR_RW(in1_beep, beep, 1); |
991 | static SENSOR_DEVICE_ATTR_RW(in2_beep, beep, 2); |
992 | static SENSOR_DEVICE_ATTR_RW(in3_beep, beep, 3); |
993 | static SENSOR_DEVICE_ATTR_RW(in4_beep, beep, 8); |
994 | static SENSOR_DEVICE_ATTR_RW(in5_beep, beep, 9); |
995 | static SENSOR_DEVICE_ATTR_RW(in6_beep, beep, 10); |
996 | static SENSOR_DEVICE_ATTR_RW(in7_beep, beep, 16); |
997 | static SENSOR_DEVICE_ATTR_RW(in8_beep, beep, 17); |
998 | static SENSOR_DEVICE_ATTR_RW(fan1_beep, beep, 6); |
999 | static SENSOR_DEVICE_ATTR_RW(fan2_beep, beep, 7); |
1000 | static SENSOR_DEVICE_ATTR_RW(fan3_beep, beep, 11); |
1001 | static SENSOR_DEVICE_ATTR_RW(temp1_beep, beep, 4); |
1002 | static SENSOR_DEVICE_ATTR_RW(temp2_beep, beep, 5); |
1003 | static SENSOR_DEVICE_ATTR_RW(temp3_beep, beep, 13); |
1004 | static SENSOR_DEVICE_ATTR_RW(beep_enable, beep, 15); |
1005 | |
1006 | static ssize_t |
1007 | in_input_show(struct device *dev, struct device_attribute *devattr, char *buf) |
1008 | { |
1009 | int nr = to_sensor_dev_attr(devattr)->index; |
1010 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1011 | return sprintf(buf, fmt: "%ld\n" , (long)IN_FROM_REG(data->in[nr])); |
1012 | } |
1013 | |
1014 | static ssize_t |
1015 | in_min_show(struct device *dev, struct device_attribute *devattr, char *buf) |
1016 | { |
1017 | int nr = to_sensor_dev_attr(devattr)->index; |
1018 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1019 | return sprintf(buf, fmt: "%ld\n" , (long)IN_FROM_REG(data->in_min[nr])); |
1020 | } |
1021 | |
1022 | static ssize_t |
1023 | in_min_store(struct device *dev, struct device_attribute *devattr, |
1024 | const char *buf, size_t count) |
1025 | { |
1026 | int nr = to_sensor_dev_attr(devattr)->index; |
1027 | struct w83627hf_data *data = dev_get_drvdata(dev); |
1028 | long val; |
1029 | int err; |
1030 | |
1031 | err = kstrtol(s: buf, base: 10, res: &val); |
1032 | if (err) |
1033 | return err; |
1034 | |
1035 | mutex_lock(&data->update_lock); |
1036 | data->in_min[nr] = IN_TO_REG(val); |
1037 | w83627hf_write_value(data, W83781D_REG_IN_MIN(nr), value: data->in_min[nr]); |
1038 | mutex_unlock(lock: &data->update_lock); |
1039 | return count; |
1040 | } |
1041 | |
1042 | static ssize_t |
1043 | in_max_show(struct device *dev, struct device_attribute *devattr, char *buf) |
1044 | { |
1045 | int nr = to_sensor_dev_attr(devattr)->index; |
1046 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1047 | return sprintf(buf, fmt: "%ld\n" , (long)IN_FROM_REG(data->in_max[nr])); |
1048 | } |
1049 | |
1050 | static ssize_t |
1051 | in_max_store(struct device *dev, struct device_attribute *devattr, |
1052 | const char *buf, size_t count) |
1053 | { |
1054 | int nr = to_sensor_dev_attr(devattr)->index; |
1055 | struct w83627hf_data *data = dev_get_drvdata(dev); |
1056 | long val; |
1057 | int err; |
1058 | |
1059 | err = kstrtol(s: buf, base: 10, res: &val); |
1060 | if (err) |
1061 | return err; |
1062 | |
1063 | mutex_lock(&data->update_lock); |
1064 | data->in_max[nr] = IN_TO_REG(val); |
1065 | w83627hf_write_value(data, W83781D_REG_IN_MAX(nr), value: data->in_max[nr]); |
1066 | mutex_unlock(lock: &data->update_lock); |
1067 | return count; |
1068 | } |
1069 | |
1070 | static SENSOR_DEVICE_ATTR_RO(in1_input, in_input, 1); |
1071 | static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1); |
1072 | static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1); |
1073 | static SENSOR_DEVICE_ATTR_RO(in2_input, in_input, 2); |
1074 | static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2); |
1075 | static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2); |
1076 | static SENSOR_DEVICE_ATTR_RO(in3_input, in_input, 3); |
1077 | static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3); |
1078 | static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3); |
1079 | static SENSOR_DEVICE_ATTR_RO(in4_input, in_input, 4); |
1080 | static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4); |
1081 | static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4); |
1082 | static SENSOR_DEVICE_ATTR_RO(in5_input, in_input, 5); |
1083 | static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5); |
1084 | static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5); |
1085 | static SENSOR_DEVICE_ATTR_RO(in6_input, in_input, 6); |
1086 | static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6); |
1087 | static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6); |
1088 | static SENSOR_DEVICE_ATTR_RO(in7_input, in_input, 7); |
1089 | static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7); |
1090 | static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7); |
1091 | static SENSOR_DEVICE_ATTR_RO(in8_input, in_input, 8); |
1092 | static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 8); |
1093 | static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 8); |
1094 | |
1095 | static ssize_t |
1096 | fan_input_show(struct device *dev, struct device_attribute *devattr, |
1097 | char *buf) |
1098 | { |
1099 | int nr = to_sensor_dev_attr(devattr)->index; |
1100 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1101 | return sprintf(buf, fmt: "%ld\n" , FAN_FROM_REG(data->fan[nr], |
1102 | (long)DIV_FROM_REG(data->fan_div[nr]))); |
1103 | } |
1104 | |
1105 | static ssize_t |
1106 | fan_min_show(struct device *dev, struct device_attribute *devattr, char *buf) |
1107 | { |
1108 | int nr = to_sensor_dev_attr(devattr)->index; |
1109 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1110 | return sprintf(buf, fmt: "%ld\n" , FAN_FROM_REG(data->fan_min[nr], |
1111 | (long)DIV_FROM_REG(data->fan_div[nr]))); |
1112 | } |
1113 | |
1114 | static ssize_t |
1115 | fan_min_store(struct device *dev, struct device_attribute *devattr, |
1116 | const char *buf, size_t count) |
1117 | { |
1118 | int nr = to_sensor_dev_attr(devattr)->index; |
1119 | struct w83627hf_data *data = dev_get_drvdata(dev); |
1120 | unsigned long val; |
1121 | int err; |
1122 | |
1123 | err = kstrtoul(s: buf, base: 10, res: &val); |
1124 | if (err) |
1125 | return err; |
1126 | |
1127 | mutex_lock(&data->update_lock); |
1128 | data->fan_min[nr] = FAN_TO_REG(rpm: val, DIV_FROM_REG(data->fan_div[nr])); |
1129 | w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), |
1130 | value: data->fan_min[nr]); |
1131 | |
1132 | mutex_unlock(lock: &data->update_lock); |
1133 | return count; |
1134 | } |
1135 | |
1136 | static SENSOR_DEVICE_ATTR_RO(fan1_input, fan_input, 0); |
1137 | static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0); |
1138 | static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1); |
1139 | static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1); |
1140 | static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2); |
1141 | static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2); |
1142 | |
1143 | static ssize_t |
1144 | fan_div_show(struct device *dev, struct device_attribute *devattr, char *buf) |
1145 | { |
1146 | int nr = to_sensor_dev_attr(devattr)->index; |
1147 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1148 | return sprintf(buf, fmt: "%ld\n" , |
1149 | (long) DIV_FROM_REG(data->fan_div[nr])); |
1150 | } |
1151 | |
1152 | /* |
1153 | * Note: we save and restore the fan minimum here, because its value is |
1154 | * determined in part by the fan divisor. This follows the principle of |
1155 | * least surprise; the user doesn't expect the fan minimum to change just |
1156 | * because the divisor changed. |
1157 | */ |
1158 | static ssize_t |
1159 | fan_div_store(struct device *dev, struct device_attribute *devattr, |
1160 | const char *buf, size_t count) |
1161 | { |
1162 | int nr = to_sensor_dev_attr(devattr)->index; |
1163 | struct w83627hf_data *data = dev_get_drvdata(dev); |
1164 | unsigned long min; |
1165 | u8 reg; |
1166 | unsigned long val; |
1167 | int err; |
1168 | |
1169 | err = kstrtoul(s: buf, base: 10, res: &val); |
1170 | if (err) |
1171 | return err; |
1172 | |
1173 | mutex_lock(&data->update_lock); |
1174 | |
1175 | /* Save fan_min */ |
1176 | min = FAN_FROM_REG(data->fan_min[nr], |
1177 | DIV_FROM_REG(data->fan_div[nr])); |
1178 | |
1179 | data->fan_div[nr] = DIV_TO_REG(val); |
1180 | |
1181 | reg = (w83627hf_read_value(data, reg: nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) |
1182 | & (nr==0 ? 0xcf : 0x3f)) |
1183 | | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); |
1184 | w83627hf_write_value(data, reg: nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, value: reg); |
1185 | |
1186 | reg = (w83627hf_read_value(data, W83781D_REG_VBAT) |
1187 | & ~(1 << (5 + nr))) |
1188 | | ((data->fan_div[nr] & 0x04) << (3 + nr)); |
1189 | w83627hf_write_value(data, W83781D_REG_VBAT, value: reg); |
1190 | |
1191 | /* Restore fan_min */ |
1192 | data->fan_min[nr] = FAN_TO_REG(rpm: min, DIV_FROM_REG(data->fan_div[nr])); |
1193 | w83627hf_write_value(data, W83627HF_REG_FAN_MIN(nr), value: data->fan_min[nr]); |
1194 | |
1195 | mutex_unlock(lock: &data->update_lock); |
1196 | return count; |
1197 | } |
1198 | |
1199 | static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0); |
1200 | static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1); |
1201 | static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2); |
1202 | |
1203 | static ssize_t |
1204 | temp_show(struct device *dev, struct device_attribute *devattr, char *buf) |
1205 | { |
1206 | int nr = to_sensor_dev_attr(devattr)->index; |
1207 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1208 | |
1209 | u16 tmp = data->temp[nr]; |
1210 | return sprintf(buf, fmt: "%ld\n" , (nr) ? (long) LM75_TEMP_FROM_REG(reg: tmp) |
1211 | : (long) TEMP_FROM_REG(reg: tmp)); |
1212 | } |
1213 | |
1214 | static ssize_t |
1215 | temp_max_show(struct device *dev, struct device_attribute *devattr, char *buf) |
1216 | { |
1217 | int nr = to_sensor_dev_attr(devattr)->index; |
1218 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1219 | |
1220 | u16 tmp = data->temp_max[nr]; |
1221 | return sprintf(buf, fmt: "%ld\n" , (nr) ? (long) LM75_TEMP_FROM_REG(reg: tmp) |
1222 | : (long) TEMP_FROM_REG(reg: tmp)); |
1223 | } |
1224 | |
1225 | static ssize_t |
1226 | temp_max_store(struct device *dev, struct device_attribute *devattr, |
1227 | const char *buf, size_t count) |
1228 | { |
1229 | int nr = to_sensor_dev_attr(devattr)->index; |
1230 | struct w83627hf_data *data = dev_get_drvdata(dev); |
1231 | u16 tmp; |
1232 | long val; |
1233 | int err; |
1234 | |
1235 | err = kstrtol(s: buf, base: 10, res: &val); |
1236 | if (err) |
1237 | return err; |
1238 | |
1239 | tmp = (nr) ? LM75_TEMP_TO_REG(temp: val) : TEMP_TO_REG(temp: val); |
1240 | mutex_lock(&data->update_lock); |
1241 | data->temp_max[nr] = tmp; |
1242 | w83627hf_write_value(data, reg: w83627hf_reg_temp_over[nr], value: tmp); |
1243 | mutex_unlock(lock: &data->update_lock); |
1244 | return count; |
1245 | } |
1246 | |
1247 | static ssize_t |
1248 | temp_max_hyst_show(struct device *dev, struct device_attribute *devattr, |
1249 | char *buf) |
1250 | { |
1251 | int nr = to_sensor_dev_attr(devattr)->index; |
1252 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1253 | |
1254 | u16 tmp = data->temp_max_hyst[nr]; |
1255 | return sprintf(buf, fmt: "%ld\n" , (nr) ? (long) LM75_TEMP_FROM_REG(reg: tmp) |
1256 | : (long) TEMP_FROM_REG(reg: tmp)); |
1257 | } |
1258 | |
1259 | static ssize_t |
1260 | temp_max_hyst_store(struct device *dev, struct device_attribute *devattr, |
1261 | const char *buf, size_t count) |
1262 | { |
1263 | int nr = to_sensor_dev_attr(devattr)->index; |
1264 | struct w83627hf_data *data = dev_get_drvdata(dev); |
1265 | u16 tmp; |
1266 | long val; |
1267 | int err; |
1268 | |
1269 | err = kstrtol(s: buf, base: 10, res: &val); |
1270 | if (err) |
1271 | return err; |
1272 | |
1273 | tmp = (nr) ? LM75_TEMP_TO_REG(temp: val) : TEMP_TO_REG(temp: val); |
1274 | mutex_lock(&data->update_lock); |
1275 | data->temp_max_hyst[nr] = tmp; |
1276 | w83627hf_write_value(data, reg: w83627hf_reg_temp_hyst[nr], value: tmp); |
1277 | mutex_unlock(lock: &data->update_lock); |
1278 | return count; |
1279 | } |
1280 | |
1281 | static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0); |
1282 | static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0); |
1283 | static SENSOR_DEVICE_ATTR_RW(temp1_max_hyst, temp_max_hyst, 0); |
1284 | static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1); |
1285 | static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1); |
1286 | static SENSOR_DEVICE_ATTR_RW(temp2_max_hyst, temp_max_hyst, 1); |
1287 | static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2); |
1288 | static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2); |
1289 | static SENSOR_DEVICE_ATTR_RW(temp3_max_hyst, temp_max_hyst, 2); |
1290 | |
1291 | static ssize_t |
1292 | temp_type_show(struct device *dev, struct device_attribute *devattr, |
1293 | char *buf) |
1294 | { |
1295 | int nr = to_sensor_dev_attr(devattr)->index; |
1296 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1297 | return sprintf(buf, fmt: "%ld\n" , (long) data->sens[nr]); |
1298 | } |
1299 | |
1300 | static ssize_t |
1301 | temp_type_store(struct device *dev, struct device_attribute *devattr, |
1302 | const char *buf, size_t count) |
1303 | { |
1304 | int nr = to_sensor_dev_attr(devattr)->index; |
1305 | struct w83627hf_data *data = dev_get_drvdata(dev); |
1306 | unsigned long val; |
1307 | u32 tmp; |
1308 | int err; |
1309 | |
1310 | err = kstrtoul(s: buf, base: 10, res: &val); |
1311 | if (err) |
1312 | return err; |
1313 | |
1314 | mutex_lock(&data->update_lock); |
1315 | |
1316 | switch (val) { |
1317 | case 1: /* PII/Celeron diode */ |
1318 | tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); |
1319 | w83627hf_write_value(data, W83781D_REG_SCFG1, |
1320 | value: tmp | BIT_SCFG1[nr]); |
1321 | tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); |
1322 | w83627hf_write_value(data, W83781D_REG_SCFG2, |
1323 | value: tmp | BIT_SCFG2[nr]); |
1324 | data->sens[nr] = val; |
1325 | break; |
1326 | case 2: /* 3904 */ |
1327 | tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); |
1328 | w83627hf_write_value(data, W83781D_REG_SCFG1, |
1329 | value: tmp | BIT_SCFG1[nr]); |
1330 | tmp = w83627hf_read_value(data, W83781D_REG_SCFG2); |
1331 | w83627hf_write_value(data, W83781D_REG_SCFG2, |
1332 | value: tmp & ~BIT_SCFG2[nr]); |
1333 | data->sens[nr] = val; |
1334 | break; |
1335 | case W83781D_DEFAULT_BETA: |
1336 | dev_warn(dev, "Sensor type %d is deprecated, please use 4 " |
1337 | "instead\n" , W83781D_DEFAULT_BETA); |
1338 | fallthrough; |
1339 | case 4: /* thermistor */ |
1340 | tmp = w83627hf_read_value(data, W83781D_REG_SCFG1); |
1341 | w83627hf_write_value(data, W83781D_REG_SCFG1, |
1342 | value: tmp & ~BIT_SCFG1[nr]); |
1343 | data->sens[nr] = val; |
1344 | break; |
1345 | default: |
1346 | dev_err(dev, |
1347 | "Invalid sensor type %ld; must be 1, 2, or 4\n" , |
1348 | (long) val); |
1349 | break; |
1350 | } |
1351 | |
1352 | mutex_unlock(lock: &data->update_lock); |
1353 | return count; |
1354 | } |
1355 | |
1356 | static SENSOR_DEVICE_ATTR_RW(temp1_type, temp_type, 0); |
1357 | static SENSOR_DEVICE_ATTR_RW(temp2_type, temp_type, 1); |
1358 | static SENSOR_DEVICE_ATTR_RW(temp3_type, temp_type, 2); |
1359 | |
1360 | static ssize_t |
1361 | alarms_show(struct device *dev, struct device_attribute *attr, char *buf) |
1362 | { |
1363 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1364 | return sprintf(buf, fmt: "%ld\n" , (long) data->alarms); |
1365 | } |
1366 | static DEVICE_ATTR_RO(alarms); |
1367 | |
1368 | #define VIN_UNIT_ATTRS(_X_) \ |
1369 | &sensor_dev_attr_in##_X_##_input.dev_attr.attr, \ |
1370 | &sensor_dev_attr_in##_X_##_min.dev_attr.attr, \ |
1371 | &sensor_dev_attr_in##_X_##_max.dev_attr.attr, \ |
1372 | &sensor_dev_attr_in##_X_##_alarm.dev_attr.attr, \ |
1373 | &sensor_dev_attr_in##_X_##_beep.dev_attr.attr |
1374 | |
1375 | #define FAN_UNIT_ATTRS(_X_) \ |
1376 | &sensor_dev_attr_fan##_X_##_input.dev_attr.attr, \ |
1377 | &sensor_dev_attr_fan##_X_##_min.dev_attr.attr, \ |
1378 | &sensor_dev_attr_fan##_X_##_div.dev_attr.attr, \ |
1379 | &sensor_dev_attr_fan##_X_##_alarm.dev_attr.attr, \ |
1380 | &sensor_dev_attr_fan##_X_##_beep.dev_attr.attr |
1381 | |
1382 | #define TEMP_UNIT_ATTRS(_X_) \ |
1383 | &sensor_dev_attr_temp##_X_##_input.dev_attr.attr, \ |
1384 | &sensor_dev_attr_temp##_X_##_max.dev_attr.attr, \ |
1385 | &sensor_dev_attr_temp##_X_##_max_hyst.dev_attr.attr, \ |
1386 | &sensor_dev_attr_temp##_X_##_type.dev_attr.attr, \ |
1387 | &sensor_dev_attr_temp##_X_##_alarm.dev_attr.attr, \ |
1388 | &sensor_dev_attr_temp##_X_##_beep.dev_attr.attr |
1389 | |
1390 | static ssize_t |
1391 | beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf) |
1392 | { |
1393 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1394 | return sprintf(buf, fmt: "%ld\n" , |
1395 | (long)BEEP_MASK_FROM_REG(data->beep_mask)); |
1396 | } |
1397 | |
1398 | static ssize_t |
1399 | beep_mask_store(struct device *dev, struct device_attribute *attr, |
1400 | const char *buf, size_t count) |
1401 | { |
1402 | struct w83627hf_data *data = dev_get_drvdata(dev); |
1403 | unsigned long val; |
1404 | int err; |
1405 | |
1406 | err = kstrtoul(s: buf, base: 10, res: &val); |
1407 | if (err) |
1408 | return err; |
1409 | |
1410 | mutex_lock(&data->update_lock); |
1411 | |
1412 | /* preserve beep enable */ |
1413 | data->beep_mask = (data->beep_mask & 0x8000) |
1414 | | BEEP_MASK_TO_REG(val); |
1415 | w83627hf_write_value(data, W83781D_REG_BEEP_INTS1, |
1416 | value: data->beep_mask & 0xff); |
1417 | w83627hf_write_value(data, W83781D_REG_BEEP_INTS3, |
1418 | value: ((data->beep_mask) >> 16) & 0xff); |
1419 | w83627hf_write_value(data, W83781D_REG_BEEP_INTS2, |
1420 | value: (data->beep_mask >> 8) & 0xff); |
1421 | |
1422 | mutex_unlock(lock: &data->update_lock); |
1423 | return count; |
1424 | } |
1425 | |
1426 | static DEVICE_ATTR_RW(beep_mask); |
1427 | |
1428 | static ssize_t |
1429 | pwm_show(struct device *dev, struct device_attribute *devattr, char *buf) |
1430 | { |
1431 | int nr = to_sensor_dev_attr(devattr)->index; |
1432 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1433 | return sprintf(buf, fmt: "%ld\n" , (long) data->pwm[nr]); |
1434 | } |
1435 | |
1436 | static ssize_t |
1437 | pwm_store(struct device *dev, struct device_attribute *devattr, |
1438 | const char *buf, size_t count) |
1439 | { |
1440 | int nr = to_sensor_dev_attr(devattr)->index; |
1441 | struct w83627hf_data *data = dev_get_drvdata(dev); |
1442 | unsigned long val; |
1443 | int err; |
1444 | |
1445 | err = kstrtoul(s: buf, base: 10, res: &val); |
1446 | if (err) |
1447 | return err; |
1448 | |
1449 | mutex_lock(&data->update_lock); |
1450 | |
1451 | if (data->type == w83627thf) { |
1452 | /* bits 0-3 are reserved in 627THF */ |
1453 | data->pwm[nr] = PWM_TO_REG(val) & 0xf0; |
1454 | w83627hf_write_value(data, |
1455 | W836X7HF_REG_PWM(data->type, nr), |
1456 | value: data->pwm[nr] | |
1457 | (w83627hf_read_value(data, |
1458 | W836X7HF_REG_PWM(data->type, nr)) & 0x0f)); |
1459 | } else { |
1460 | data->pwm[nr] = PWM_TO_REG(val); |
1461 | w83627hf_write_value(data, |
1462 | W836X7HF_REG_PWM(data->type, nr), |
1463 | value: data->pwm[nr]); |
1464 | } |
1465 | |
1466 | mutex_unlock(lock: &data->update_lock); |
1467 | return count; |
1468 | } |
1469 | |
1470 | static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0); |
1471 | static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1); |
1472 | static SENSOR_DEVICE_ATTR_RW(pwm3, pwm, 2); |
1473 | |
1474 | static ssize_t |
1475 | name_show(struct device *dev, struct device_attribute *devattr, char *buf) |
1476 | { |
1477 | struct w83627hf_data *data = dev_get_drvdata(dev); |
1478 | |
1479 | return sprintf(buf, fmt: "%s\n" , data->name); |
1480 | } |
1481 | |
1482 | static DEVICE_ATTR_RO(name); |
1483 | |
1484 | static struct attribute *w83627hf_attributes[] = { |
1485 | &dev_attr_in0_input.attr, |
1486 | &dev_attr_in0_min.attr, |
1487 | &dev_attr_in0_max.attr, |
1488 | &sensor_dev_attr_in0_alarm.dev_attr.attr, |
1489 | &sensor_dev_attr_in0_beep.dev_attr.attr, |
1490 | VIN_UNIT_ATTRS(2), |
1491 | VIN_UNIT_ATTRS(3), |
1492 | VIN_UNIT_ATTRS(4), |
1493 | VIN_UNIT_ATTRS(7), |
1494 | VIN_UNIT_ATTRS(8), |
1495 | |
1496 | FAN_UNIT_ATTRS(1), |
1497 | FAN_UNIT_ATTRS(2), |
1498 | |
1499 | TEMP_UNIT_ATTRS(1), |
1500 | TEMP_UNIT_ATTRS(2), |
1501 | |
1502 | &dev_attr_alarms.attr, |
1503 | &sensor_dev_attr_beep_enable.dev_attr.attr, |
1504 | &dev_attr_beep_mask.attr, |
1505 | |
1506 | &sensor_dev_attr_pwm1.dev_attr.attr, |
1507 | &sensor_dev_attr_pwm2.dev_attr.attr, |
1508 | &dev_attr_name.attr, |
1509 | NULL |
1510 | }; |
1511 | |
1512 | static const struct attribute_group w83627hf_group = { |
1513 | .attrs = w83627hf_attributes, |
1514 | }; |
1515 | |
1516 | static ssize_t |
1517 | pwm_freq_show(struct device *dev, struct device_attribute *devattr, char *buf) |
1518 | { |
1519 | int nr = to_sensor_dev_attr(devattr)->index; |
1520 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1521 | if (data->type == w83627hf) |
1522 | return sprintf(buf, fmt: "%ld\n" , |
1523 | pwm_freq_from_reg_627hf(reg: data->pwm_freq[nr])); |
1524 | else |
1525 | return sprintf(buf, fmt: "%ld\n" , |
1526 | pwm_freq_from_reg(reg: data->pwm_freq[nr])); |
1527 | } |
1528 | |
1529 | static ssize_t |
1530 | pwm_freq_store(struct device *dev, struct device_attribute *devattr, |
1531 | const char *buf, size_t count) |
1532 | { |
1533 | int nr = to_sensor_dev_attr(devattr)->index; |
1534 | struct w83627hf_data *data = dev_get_drvdata(dev); |
1535 | static const u8 mask[]={0xF8, 0x8F}; |
1536 | unsigned long val; |
1537 | int err; |
1538 | |
1539 | err = kstrtoul(s: buf, base: 10, res: &val); |
1540 | if (err) |
1541 | return err; |
1542 | |
1543 | mutex_lock(&data->update_lock); |
1544 | |
1545 | if (data->type == w83627hf) { |
1546 | data->pwm_freq[nr] = pwm_freq_to_reg_627hf(val); |
1547 | w83627hf_write_value(data, W83627HF_REG_PWM_FREQ, |
1548 | value: (data->pwm_freq[nr] << (nr*4)) | |
1549 | (w83627hf_read_value(data, |
1550 | W83627HF_REG_PWM_FREQ) & mask[nr])); |
1551 | } else { |
1552 | data->pwm_freq[nr] = pwm_freq_to_reg(val); |
1553 | w83627hf_write_value(data, reg: W83637HF_REG_PWM_FREQ[nr], |
1554 | value: data->pwm_freq[nr]); |
1555 | } |
1556 | |
1557 | mutex_unlock(lock: &data->update_lock); |
1558 | return count; |
1559 | } |
1560 | |
1561 | static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0); |
1562 | static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1); |
1563 | static SENSOR_DEVICE_ATTR_RW(pwm3_freq, pwm_freq, 2); |
1564 | |
1565 | static ssize_t |
1566 | cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf) |
1567 | { |
1568 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1569 | return sprintf(buf, fmt: "%ld\n" , (long) vid_from_reg(val: data->vid, vrm: data->vrm)); |
1570 | } |
1571 | |
1572 | static DEVICE_ATTR_RO(cpu0_vid); |
1573 | |
1574 | static ssize_t |
1575 | vrm_show(struct device *dev, struct device_attribute *attr, char *buf) |
1576 | { |
1577 | struct w83627hf_data *data = dev_get_drvdata(dev); |
1578 | return sprintf(buf, fmt: "%ld\n" , (long) data->vrm); |
1579 | } |
1580 | |
1581 | static ssize_t |
1582 | vrm_store(struct device *dev, struct device_attribute *attr, const char *buf, |
1583 | size_t count) |
1584 | { |
1585 | struct w83627hf_data *data = dev_get_drvdata(dev); |
1586 | unsigned long val; |
1587 | int err; |
1588 | |
1589 | err = kstrtoul(s: buf, base: 10, res: &val); |
1590 | if (err) |
1591 | return err; |
1592 | |
1593 | if (val > 255) |
1594 | return -EINVAL; |
1595 | data->vrm = val; |
1596 | |
1597 | return count; |
1598 | } |
1599 | |
1600 | static DEVICE_ATTR_RW(vrm); |
1601 | |
1602 | static ssize_t |
1603 | pwm_enable_show(struct device *dev, struct device_attribute *devattr, |
1604 | char *buf) |
1605 | { |
1606 | int nr = to_sensor_dev_attr(devattr)->index; |
1607 | struct w83627hf_data *data = w83627hf_update_device(dev); |
1608 | return sprintf(buf, fmt: "%d\n" , data->pwm_enable[nr]); |
1609 | } |
1610 | |
1611 | static ssize_t |
1612 | pwm_enable_store(struct device *dev, struct device_attribute *devattr, |
1613 | const char *buf, size_t count) |
1614 | { |
1615 | int nr = to_sensor_dev_attr(devattr)->index; |
1616 | struct w83627hf_data *data = dev_get_drvdata(dev); |
1617 | u8 reg; |
1618 | unsigned long val; |
1619 | int err; |
1620 | |
1621 | err = kstrtoul(s: buf, base: 10, res: &val); |
1622 | if (err) |
1623 | return err; |
1624 | |
1625 | if (!val || val > 3) /* modes 1, 2 and 3 are supported */ |
1626 | return -EINVAL; |
1627 | mutex_lock(&data->update_lock); |
1628 | data->pwm_enable[nr] = val; |
1629 | reg = w83627hf_read_value(data, reg: W83627THF_REG_PWM_ENABLE[nr]); |
1630 | reg &= ~(0x03 << W83627THF_PWM_ENABLE_SHIFT[nr]); |
1631 | reg |= (val - 1) << W83627THF_PWM_ENABLE_SHIFT[nr]; |
1632 | w83627hf_write_value(data, reg: W83627THF_REG_PWM_ENABLE[nr], value: reg); |
1633 | mutex_unlock(lock: &data->update_lock); |
1634 | return count; |
1635 | } |
1636 | |
1637 | static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0); |
1638 | static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1); |
1639 | static SENSOR_DEVICE_ATTR_RW(pwm3_enable, pwm_enable, 2); |
1640 | |
1641 | static struct attribute *w83627hf_attributes_opt[] = { |
1642 | VIN_UNIT_ATTRS(1), |
1643 | VIN_UNIT_ATTRS(5), |
1644 | VIN_UNIT_ATTRS(6), |
1645 | |
1646 | FAN_UNIT_ATTRS(3), |
1647 | TEMP_UNIT_ATTRS(3), |
1648 | &sensor_dev_attr_pwm3.dev_attr.attr, |
1649 | |
1650 | &sensor_dev_attr_pwm1_freq.dev_attr.attr, |
1651 | &sensor_dev_attr_pwm2_freq.dev_attr.attr, |
1652 | &sensor_dev_attr_pwm3_freq.dev_attr.attr, |
1653 | |
1654 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, |
1655 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, |
1656 | &sensor_dev_attr_pwm3_enable.dev_attr.attr, |
1657 | |
1658 | NULL |
1659 | }; |
1660 | |
1661 | static const struct attribute_group w83627hf_group_opt = { |
1662 | .attrs = w83627hf_attributes_opt, |
1663 | }; |
1664 | |
1665 | static int w83627hf_probe(struct platform_device *pdev) |
1666 | { |
1667 | struct device *dev = &pdev->dev; |
1668 | struct w83627hf_sio_data *sio_data = dev_get_platdata(dev); |
1669 | struct w83627hf_data *data; |
1670 | struct resource *res; |
1671 | int err, i; |
1672 | |
1673 | static const char *names[] = { |
1674 | "w83627hf" , |
1675 | "w83627thf" , |
1676 | "w83697hf" , |
1677 | "w83637hf" , |
1678 | "w83687thf" , |
1679 | }; |
1680 | |
1681 | res = platform_get_resource(pdev, IORESOURCE_IO, 0); |
1682 | if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) { |
1683 | dev_err(dev, "Failed to request region 0x%lx-0x%lx\n" , |
1684 | (unsigned long)res->start, |
1685 | (unsigned long)(res->start + WINB_REGION_SIZE - 1)); |
1686 | return -EBUSY; |
1687 | } |
1688 | |
1689 | data = devm_kzalloc(dev, size: sizeof(struct w83627hf_data), GFP_KERNEL); |
1690 | if (!data) |
1691 | return -ENOMEM; |
1692 | |
1693 | data->addr = res->start; |
1694 | data->type = sio_data->type; |
1695 | data->name = names[sio_data->type]; |
1696 | mutex_init(&data->lock); |
1697 | mutex_init(&data->update_lock); |
1698 | platform_set_drvdata(pdev, data); |
1699 | |
1700 | /* Initialize the chip */ |
1701 | w83627hf_init_device(pdev); |
1702 | |
1703 | /* A few vars need to be filled upon startup */ |
1704 | for (i = 0; i <= 2; i++) |
1705 | data->fan_min[i] = w83627hf_read_value( |
1706 | data, W83627HF_REG_FAN_MIN(i)); |
1707 | w83627hf_update_fan_div(data); |
1708 | |
1709 | /* Register common device attributes */ |
1710 | err = sysfs_create_group(kobj: &dev->kobj, grp: &w83627hf_group); |
1711 | if (err) |
1712 | return err; |
1713 | |
1714 | /* Register chip-specific device attributes */ |
1715 | if (data->type == w83627hf || data->type == w83697hf) |
1716 | if ((err = device_create_file(device: dev, |
1717 | entry: &sensor_dev_attr_in5_input.dev_attr)) |
1718 | || (err = device_create_file(device: dev, |
1719 | entry: &sensor_dev_attr_in5_min.dev_attr)) |
1720 | || (err = device_create_file(device: dev, |
1721 | entry: &sensor_dev_attr_in5_max.dev_attr)) |
1722 | || (err = device_create_file(device: dev, |
1723 | entry: &sensor_dev_attr_in5_alarm.dev_attr)) |
1724 | || (err = device_create_file(device: dev, |
1725 | entry: &sensor_dev_attr_in5_beep.dev_attr)) |
1726 | || (err = device_create_file(device: dev, |
1727 | entry: &sensor_dev_attr_in6_input.dev_attr)) |
1728 | || (err = device_create_file(device: dev, |
1729 | entry: &sensor_dev_attr_in6_min.dev_attr)) |
1730 | || (err = device_create_file(device: dev, |
1731 | entry: &sensor_dev_attr_in6_max.dev_attr)) |
1732 | || (err = device_create_file(device: dev, |
1733 | entry: &sensor_dev_attr_in6_alarm.dev_attr)) |
1734 | || (err = device_create_file(device: dev, |
1735 | entry: &sensor_dev_attr_in6_beep.dev_attr)) |
1736 | || (err = device_create_file(device: dev, |
1737 | entry: &sensor_dev_attr_pwm1_freq.dev_attr)) |
1738 | || (err = device_create_file(device: dev, |
1739 | entry: &sensor_dev_attr_pwm2_freq.dev_attr))) |
1740 | goto error; |
1741 | |
1742 | if (data->type != w83697hf) |
1743 | if ((err = device_create_file(device: dev, |
1744 | entry: &sensor_dev_attr_in1_input.dev_attr)) |
1745 | || (err = device_create_file(device: dev, |
1746 | entry: &sensor_dev_attr_in1_min.dev_attr)) |
1747 | || (err = device_create_file(device: dev, |
1748 | entry: &sensor_dev_attr_in1_max.dev_attr)) |
1749 | || (err = device_create_file(device: dev, |
1750 | entry: &sensor_dev_attr_in1_alarm.dev_attr)) |
1751 | || (err = device_create_file(device: dev, |
1752 | entry: &sensor_dev_attr_in1_beep.dev_attr)) |
1753 | || (err = device_create_file(device: dev, |
1754 | entry: &sensor_dev_attr_fan3_input.dev_attr)) |
1755 | || (err = device_create_file(device: dev, |
1756 | entry: &sensor_dev_attr_fan3_min.dev_attr)) |
1757 | || (err = device_create_file(device: dev, |
1758 | entry: &sensor_dev_attr_fan3_div.dev_attr)) |
1759 | || (err = device_create_file(device: dev, |
1760 | entry: &sensor_dev_attr_fan3_alarm.dev_attr)) |
1761 | || (err = device_create_file(device: dev, |
1762 | entry: &sensor_dev_attr_fan3_beep.dev_attr)) |
1763 | || (err = device_create_file(device: dev, |
1764 | entry: &sensor_dev_attr_temp3_input.dev_attr)) |
1765 | || (err = device_create_file(device: dev, |
1766 | entry: &sensor_dev_attr_temp3_max.dev_attr)) |
1767 | || (err = device_create_file(device: dev, |
1768 | entry: &sensor_dev_attr_temp3_max_hyst.dev_attr)) |
1769 | || (err = device_create_file(device: dev, |
1770 | entry: &sensor_dev_attr_temp3_alarm.dev_attr)) |
1771 | || (err = device_create_file(device: dev, |
1772 | entry: &sensor_dev_attr_temp3_beep.dev_attr)) |
1773 | || (err = device_create_file(device: dev, |
1774 | entry: &sensor_dev_attr_temp3_type.dev_attr))) |
1775 | goto error; |
1776 | |
1777 | if (data->type != w83697hf && data->vid != 0xff) { |
1778 | /* Convert VID to voltage based on VRM */ |
1779 | data->vrm = vid_which_vrm(); |
1780 | |
1781 | if ((err = device_create_file(device: dev, entry: &dev_attr_cpu0_vid)) |
1782 | || (err = device_create_file(device: dev, entry: &dev_attr_vrm))) |
1783 | goto error; |
1784 | } |
1785 | |
1786 | if (data->type == w83627thf || data->type == w83637hf |
1787 | || data->type == w83687thf) { |
1788 | err = device_create_file(device: dev, entry: &sensor_dev_attr_pwm3.dev_attr); |
1789 | if (err) |
1790 | goto error; |
1791 | } |
1792 | |
1793 | if (data->type == w83637hf || data->type == w83687thf) |
1794 | if ((err = device_create_file(device: dev, |
1795 | entry: &sensor_dev_attr_pwm1_freq.dev_attr)) |
1796 | || (err = device_create_file(device: dev, |
1797 | entry: &sensor_dev_attr_pwm2_freq.dev_attr)) |
1798 | || (err = device_create_file(device: dev, |
1799 | entry: &sensor_dev_attr_pwm3_freq.dev_attr))) |
1800 | goto error; |
1801 | |
1802 | if (data->type != w83627hf) |
1803 | if ((err = device_create_file(device: dev, |
1804 | entry: &sensor_dev_attr_pwm1_enable.dev_attr)) |
1805 | || (err = device_create_file(device: dev, |
1806 | entry: &sensor_dev_attr_pwm2_enable.dev_attr))) |
1807 | goto error; |
1808 | |
1809 | if (data->type == w83627thf || data->type == w83637hf |
1810 | || data->type == w83687thf) { |
1811 | err = device_create_file(device: dev, |
1812 | entry: &sensor_dev_attr_pwm3_enable.dev_attr); |
1813 | if (err) |
1814 | goto error; |
1815 | } |
1816 | |
1817 | data->hwmon_dev = hwmon_device_register(dev); |
1818 | if (IS_ERR(ptr: data->hwmon_dev)) { |
1819 | err = PTR_ERR(ptr: data->hwmon_dev); |
1820 | goto error; |
1821 | } |
1822 | |
1823 | return 0; |
1824 | |
1825 | error: |
1826 | sysfs_remove_group(kobj: &dev->kobj, grp: &w83627hf_group); |
1827 | sysfs_remove_group(kobj: &dev->kobj, grp: &w83627hf_group_opt); |
1828 | return err; |
1829 | } |
1830 | |
1831 | static void w83627hf_remove(struct platform_device *pdev) |
1832 | { |
1833 | struct w83627hf_data *data = platform_get_drvdata(pdev); |
1834 | |
1835 | hwmon_device_unregister(dev: data->hwmon_dev); |
1836 | |
1837 | sysfs_remove_group(kobj: &pdev->dev.kobj, grp: &w83627hf_group); |
1838 | sysfs_remove_group(kobj: &pdev->dev.kobj, grp: &w83627hf_group_opt); |
1839 | } |
1840 | |
1841 | static struct platform_driver w83627hf_driver = { |
1842 | .driver = { |
1843 | .name = DRVNAME, |
1844 | .pm = W83627HF_DEV_PM_OPS, |
1845 | }, |
1846 | .probe = w83627hf_probe, |
1847 | .remove_new = w83627hf_remove, |
1848 | }; |
1849 | |
1850 | static int __init w83627hf_find(int sioaddr, unsigned short *addr, |
1851 | struct w83627hf_sio_data *sio_data) |
1852 | { |
1853 | int err; |
1854 | u16 val; |
1855 | |
1856 | static __initconst char *const names[] = { |
1857 | "W83627HF" , |
1858 | "W83627THF" , |
1859 | "W83697HF" , |
1860 | "W83637HF" , |
1861 | "W83687THF" , |
1862 | }; |
1863 | |
1864 | sio_data->sioaddr = sioaddr; |
1865 | err = superio_enter(sio: sio_data); |
1866 | if (err) |
1867 | return err; |
1868 | |
1869 | err = -ENODEV; |
1870 | val = force_id ? force_id : superio_inb(sio: sio_data, DEVID); |
1871 | switch (val) { |
1872 | case W627_DEVID: |
1873 | sio_data->type = w83627hf; |
1874 | break; |
1875 | case W627THF_DEVID: |
1876 | sio_data->type = w83627thf; |
1877 | break; |
1878 | case W697_DEVID: |
1879 | sio_data->type = w83697hf; |
1880 | break; |
1881 | case W637_DEVID: |
1882 | sio_data->type = w83637hf; |
1883 | break; |
1884 | case W687THF_DEVID: |
1885 | sio_data->type = w83687thf; |
1886 | break; |
1887 | case 0xff: /* No device at all */ |
1888 | goto exit; |
1889 | default: |
1890 | pr_debug(DRVNAME ": Unsupported chip (DEVID=0x%02x)\n" , val); |
1891 | goto exit; |
1892 | } |
1893 | |
1894 | superio_select(sio: sio_data, W83627HF_LD_HWM); |
1895 | val = (superio_inb(sio: sio_data, WINB_BASE_REG) << 8) | |
1896 | superio_inb(sio: sio_data, WINB_BASE_REG + 1); |
1897 | *addr = val & WINB_ALIGNMENT; |
1898 | if (*addr == 0) { |
1899 | pr_warn("Base address not set, skipping\n" ); |
1900 | goto exit; |
1901 | } |
1902 | |
1903 | val = superio_inb(sio: sio_data, WINB_ACT_REG); |
1904 | if (!(val & 0x01)) { |
1905 | pr_warn("Enabling HWM logical device\n" ); |
1906 | superio_outb(sio: sio_data, WINB_ACT_REG, val: val | 0x01); |
1907 | } |
1908 | |
1909 | err = 0; |
1910 | pr_info(DRVNAME ": Found %s chip at %#x\n" , |
1911 | names[sio_data->type], *addr); |
1912 | |
1913 | exit: |
1914 | superio_exit(sio: sio_data); |
1915 | return err; |
1916 | } |
1917 | |
1918 | static int __init w83627hf_device_add(unsigned short address, |
1919 | const struct w83627hf_sio_data *sio_data) |
1920 | { |
1921 | struct resource res = { |
1922 | .start = address + WINB_REGION_OFFSET, |
1923 | .end = address + WINB_REGION_OFFSET + WINB_REGION_SIZE - 1, |
1924 | .name = DRVNAME, |
1925 | .flags = IORESOURCE_IO, |
1926 | }; |
1927 | int err; |
1928 | |
1929 | err = acpi_check_resource_conflict(res: &res); |
1930 | if (err) |
1931 | goto exit; |
1932 | |
1933 | pdev = platform_device_alloc(DRVNAME, id: address); |
1934 | if (!pdev) { |
1935 | err = -ENOMEM; |
1936 | pr_err("Device allocation failed\n" ); |
1937 | goto exit; |
1938 | } |
1939 | |
1940 | err = platform_device_add_resources(pdev, res: &res, num: 1); |
1941 | if (err) { |
1942 | pr_err("Device resource addition failed (%d)\n" , err); |
1943 | goto exit_device_put; |
1944 | } |
1945 | |
1946 | err = platform_device_add_data(pdev, data: sio_data, |
1947 | size: sizeof(struct w83627hf_sio_data)); |
1948 | if (err) { |
1949 | pr_err("Platform data allocation failed\n" ); |
1950 | goto exit_device_put; |
1951 | } |
1952 | |
1953 | err = platform_device_add(pdev); |
1954 | if (err) { |
1955 | pr_err("Device addition failed (%d)\n" , err); |
1956 | goto exit_device_put; |
1957 | } |
1958 | |
1959 | return 0; |
1960 | |
1961 | exit_device_put: |
1962 | platform_device_put(pdev); |
1963 | exit: |
1964 | return err; |
1965 | } |
1966 | |
1967 | static int __init sensors_w83627hf_init(void) |
1968 | { |
1969 | int err; |
1970 | unsigned short address; |
1971 | struct w83627hf_sio_data sio_data; |
1972 | |
1973 | if (w83627hf_find(sioaddr: 0x2e, addr: &address, sio_data: &sio_data) |
1974 | && w83627hf_find(sioaddr: 0x4e, addr: &address, sio_data: &sio_data)) |
1975 | return -ENODEV; |
1976 | |
1977 | err = platform_driver_register(&w83627hf_driver); |
1978 | if (err) |
1979 | goto exit; |
1980 | |
1981 | /* Sets global pdev as a side effect */ |
1982 | err = w83627hf_device_add(address, sio_data: &sio_data); |
1983 | if (err) |
1984 | goto exit_driver; |
1985 | |
1986 | return 0; |
1987 | |
1988 | exit_driver: |
1989 | platform_driver_unregister(&w83627hf_driver); |
1990 | exit: |
1991 | return err; |
1992 | } |
1993 | |
1994 | static void __exit sensors_w83627hf_exit(void) |
1995 | { |
1996 | platform_device_unregister(pdev); |
1997 | platform_driver_unregister(&w83627hf_driver); |
1998 | } |
1999 | |
2000 | MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " |
2001 | "Philip Edelbrock <phil@netroedge.com>, " |
2002 | "and Mark Studebaker <mdsxyz123@yahoo.com>" ); |
2003 | MODULE_DESCRIPTION("W83627HF driver" ); |
2004 | MODULE_LICENSE("GPL" ); |
2005 | |
2006 | module_init(sensors_w83627hf_init); |
2007 | module_exit(sensors_w83627hf_exit); |
2008 | |