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08e7e278 1/*
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2 * w83627ehf - Driver for the hardware monitoring functionality of
3 * the Winbond W83627EHF Super-I/O chip
7e630bb5 4 * Copyright (C) 2005-2012 Jean Delvare <khali@linux-fr.org>
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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 * Copyright (C) 2010 Sheng-Yuan Huang (Nuvoton) (PS00)
10 *
11 * Shamelessly ripped from the w83627hf driver
12 * Copyright (C) 2003 Mark Studebaker
13 *
14 * Thanks to Leon Moonen, Steve Cliffe and Grant Coady for their help
15 * in testing and debugging this driver.
16 *
17 * This driver also supports the W83627EHG, which is the lead-free
18 * version of the W83627EHF.
19 *
20 * This program is free software; you can redistribute it and/or modify
21 * it under the terms of the GNU General Public License as published by
22 * the Free Software Foundation; either version 2 of the License, or
23 * (at your option) any later version.
24 *
25 * This program is distributed in the hope that it will be useful,
26 * but WITHOUT ANY WARRANTY; without even the implied warranty of
27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
28 * GNU General Public License for more details.
29 *
30 * You should have received a copy of the GNU General Public License
31 * along with this program; if not, write to the Free Software
32 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 * w83627uhg 8 2 2 3 0xa230 0xc1 0x5ca3
42 * w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3
43 * w83667hg-b 9 5 3 4 0xb350 0xc1 0x5ca3
44 * nct6775f 9 4 3 9 0xb470 0xc1 0x5ca3
45 * nct6776f 9 5 3 9 0xC330 0xc1 0x5ca3
46 */
08e7e278 47
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48#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
49
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50#include <linux/module.h>
51#include <linux/init.h>
52#include <linux/slab.h>
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53#include <linux/jiffies.h>
54#include <linux/platform_device.h>
943b0830 55#include <linux/hwmon.h>
412fec82 56#include <linux/hwmon-sysfs.h>
fc18d6c0 57#include <linux/hwmon-vid.h>
943b0830 58#include <linux/err.h>
9a61bf63 59#include <linux/mutex.h>
b9acb64a 60#include <linux/acpi.h>
6055fae8 61#include <linux/io.h>
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62#include "lm75.h"
63
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64enum kinds {
65 w83627ehf, w83627dhg, w83627dhg_p, w83627uhg,
66 w83667hg, w83667hg_b, nct6775, nct6776,
67};
08e7e278 68
1ea6dd38 69/* used to set data->name = w83627ehf_device_names[data->sio_kind] */
e7e1ca6e 70static const char * const w83627ehf_device_names[] = {
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71 "w83627ehf",
72 "w83627dhg",
c1e48dce 73 "w83627dhg",
eff7687d 74 "w83627uhg",
237c8d2f 75 "w83667hg",
c39aedaf 76 "w83667hg",
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77 "nct6775",
78 "nct6776",
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79};
80
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81static unsigned short force_id;
82module_param(force_id, ushort, 0);
83MODULE_PARM_DESC(force_id, "Override the detected device ID");
84
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85static unsigned short fan_debounce;
86module_param(fan_debounce, ushort, 0);
87MODULE_PARM_DESC(fan_debounce, "Enable debouncing for fan RPM signal");
88
1ea6dd38 89#define DRVNAME "w83627ehf"
08e7e278 90
657c93b1 91/*
1ea6dd38 92 * Super-I/O constants and functions
657c93b1 93 */
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94
95#define W83627EHF_LD_HWM 0x0b
e7e1ca6e 96#define W83667HG_LD_VID 0x0d
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97
98#define SIO_REG_LDSEL 0x07 /* Logical device select */
99#define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */
fc18d6c0 100#define SIO_REG_EN_VRM10 0x2C /* GPIO3, GPIO4 selection */
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101#define SIO_REG_ENABLE 0x30 /* Logical device enable */
102#define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */
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103#define SIO_REG_VID_CTRL 0xF0 /* VID control */
104#define SIO_REG_VID_DATA 0xF1 /* VID data */
08e7e278 105
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106#define SIO_W83627EHF_ID 0x8850
107#define SIO_W83627EHG_ID 0x8860
108#define SIO_W83627DHG_ID 0xa020
c1e48dce 109#define SIO_W83627DHG_P_ID 0xb070
eff7687d 110#define SIO_W83627UHG_ID 0xa230
e7e1ca6e 111#define SIO_W83667HG_ID 0xa510
c39aedaf 112#define SIO_W83667HG_B_ID 0xb350
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113#define SIO_NCT6775_ID 0xb470
114#define SIO_NCT6776_ID 0xc330
657c93b1 115#define SIO_ID_MASK 0xFFF0
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116
117static inline void
1ea6dd38 118superio_outb(int ioreg, int reg, int val)
08e7e278 119{
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120 outb(reg, ioreg);
121 outb(val, ioreg + 1);
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122}
123
124static inline int
1ea6dd38 125superio_inb(int ioreg, int reg)
08e7e278 126{
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127 outb(reg, ioreg);
128 return inb(ioreg + 1);
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129}
130
131static inline void
1ea6dd38 132superio_select(int ioreg, int ld)
08e7e278 133{
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134 outb(SIO_REG_LDSEL, ioreg);
135 outb(ld, ioreg + 1);
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136}
137
138static inline void
1ea6dd38 139superio_enter(int ioreg)
08e7e278 140{
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141 outb(0x87, ioreg);
142 outb(0x87, ioreg);
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143}
144
145static inline void
1ea6dd38 146superio_exit(int ioreg)
08e7e278 147{
022b75a3 148 outb(0xaa, ioreg);
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149 outb(0x02, ioreg);
150 outb(0x02, ioreg + 1);
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151}
152
153/*
154 * ISA constants
155 */
156
e7e1ca6e 157#define IOREGION_ALIGNMENT (~7)
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158#define IOREGION_OFFSET 5
159#define IOREGION_LENGTH 2
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160#define ADDR_REG_OFFSET 0
161#define DATA_REG_OFFSET 1
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162
163#define W83627EHF_REG_BANK 0x4E
164#define W83627EHF_REG_CONFIG 0x40
657c93b1 165
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166/*
167 * Not currently used:
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168 * REG_MAN_ID has the value 0x5ca3 for all supported chips.
169 * REG_CHIP_ID == 0x88/0xa1/0xc1 depending on chip model.
170 * REG_MAN_ID is at port 0x4f
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171 * REG_CHIP_ID is at port 0x58
172 */
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173
174static const u16 W83627EHF_REG_FAN[] = { 0x28, 0x29, 0x2a, 0x3f, 0x553 };
175static const u16 W83627EHF_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d, 0x3e, 0x55c };
176
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177/* The W83627EHF registers for nr=7,8,9 are in bank 5 */
178#define W83627EHF_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
179 (0x554 + (((nr) - 7) * 2)))
180#define W83627EHF_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
181 (0x555 + (((nr) - 7) * 2)))
182#define W83627EHF_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \
183 (0x550 + (nr) - 7))
184
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185static const u16 W83627EHF_REG_TEMP[] = { 0x27, 0x150, 0x250, 0x7e };
186static const u16 W83627EHF_REG_TEMP_HYST[] = { 0x3a, 0x153, 0x253, 0 };
187static const u16 W83627EHF_REG_TEMP_OVER[] = { 0x39, 0x155, 0x255, 0 };
188static const u16 W83627EHF_REG_TEMP_CONFIG[] = { 0, 0x152, 0x252, 0 };
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189
190/* Fan clock dividers are spread over the following five registers */
191#define W83627EHF_REG_FANDIV1 0x47
192#define W83627EHF_REG_FANDIV2 0x4B
193#define W83627EHF_REG_VBAT 0x5D
194#define W83627EHF_REG_DIODE 0x59
195#define W83627EHF_REG_SMI_OVT 0x4C
196
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197/* NCT6775F has its own fan divider registers */
198#define NCT6775_REG_FANDIV1 0x506
199#define NCT6775_REG_FANDIV2 0x507
d42e869a 200#define NCT6775_REG_FAN_DEBOUNCE 0xf0
ec3e5a16 201
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202#define W83627EHF_REG_ALARM1 0x459
203#define W83627EHF_REG_ALARM2 0x45A
204#define W83627EHF_REG_ALARM3 0x45B
205
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206#define W83627EHF_REG_CASEOPEN_DET 0x42 /* SMI STATUS #2 */
207#define W83627EHF_REG_CASEOPEN_CLR 0x46 /* SMI MASK #3 */
208
08c79950 209/* SmartFan registers */
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210#define W83627EHF_REG_FAN_STEPUP_TIME 0x0f
211#define W83627EHF_REG_FAN_STEPDOWN_TIME 0x0e
212
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213/* DC or PWM output fan configuration */
214static const u8 W83627EHF_REG_PWM_ENABLE[] = {
215 0x04, /* SYS FAN0 output mode and PWM mode */
216 0x04, /* CPU FAN0 output mode and PWM mode */
217 0x12, /* AUX FAN mode */
41e9a062 218 0x62, /* CPU FAN1 mode */
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219};
220
221static const u8 W83627EHF_PWM_MODE_SHIFT[] = { 0, 1, 0, 6 };
222static const u8 W83627EHF_PWM_ENABLE_SHIFT[] = { 2, 4, 1, 4 };
223
224/* FAN Duty Cycle, be used to control */
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225static const u16 W83627EHF_REG_PWM[] = { 0x01, 0x03, 0x11, 0x61 };
226static const u16 W83627EHF_REG_TARGET[] = { 0x05, 0x06, 0x13, 0x63 };
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227static const u8 W83627EHF_REG_TOLERANCE[] = { 0x07, 0x07, 0x14, 0x62 };
228
08c79950 229/* Advanced Fan control, some values are common for all fans */
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230static const u16 W83627EHF_REG_FAN_START_OUTPUT[] = { 0x0a, 0x0b, 0x16, 0x65 };
231static const u16 W83627EHF_REG_FAN_STOP_OUTPUT[] = { 0x08, 0x09, 0x15, 0x64 };
232static const u16 W83627EHF_REG_FAN_STOP_TIME[] = { 0x0c, 0x0d, 0x17, 0x66 };
c39aedaf 233
279af1a9 234static const u16 W83627EHF_REG_FAN_MAX_OUTPUT_COMMON[]
c39aedaf 235 = { 0xff, 0x67, 0xff, 0x69 };
279af1a9 236static const u16 W83627EHF_REG_FAN_STEP_OUTPUT_COMMON[]
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237 = { 0xff, 0x68, 0xff, 0x6a };
238
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239static const u16 W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B[] = { 0x67, 0x69, 0x6b };
240static const u16 W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B[]
241 = { 0x68, 0x6a, 0x6c };
08c79950 242
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243static const u16 W83627EHF_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 };
244
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245static const u16 NCT6775_REG_TARGET[] = { 0x101, 0x201, 0x301 };
246static const u16 NCT6775_REG_FAN_MODE[] = { 0x102, 0x202, 0x302 };
247static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = { 0x105, 0x205, 0x305 };
248static const u16 NCT6775_REG_FAN_START_OUTPUT[] = { 0x106, 0x206, 0x306 };
249static const u16 NCT6775_REG_FAN_STOP_TIME[] = { 0x107, 0x207, 0x307 };
250static const u16 NCT6775_REG_PWM[] = { 0x109, 0x209, 0x309 };
251static const u16 NCT6775_REG_FAN_MAX_OUTPUT[] = { 0x10a, 0x20a, 0x30a };
252static const u16 NCT6775_REG_FAN_STEP_OUTPUT[] = { 0x10b, 0x20b, 0x30b };
26bc440e 253static const u16 NCT6775_REG_FAN[] = { 0x630, 0x632, 0x634, 0x636, 0x638 };
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254static const u16 NCT6776_REG_FAN_MIN[] = { 0x63a, 0x63c, 0x63e, 0x640, 0x642};
255
256static const u16 NCT6775_REG_TEMP[]
257 = { 0x27, 0x150, 0x250, 0x73, 0x75, 0x77, 0x62b, 0x62c, 0x62d };
258static const u16 NCT6775_REG_TEMP_CONFIG[]
259 = { 0, 0x152, 0x252, 0, 0, 0, 0x628, 0x629, 0x62A };
260static const u16 NCT6775_REG_TEMP_HYST[]
261 = { 0x3a, 0x153, 0x253, 0, 0, 0, 0x673, 0x678, 0x67D };
262static const u16 NCT6775_REG_TEMP_OVER[]
263 = { 0x39, 0x155, 0x255, 0, 0, 0, 0x672, 0x677, 0x67C };
264static const u16 NCT6775_REG_TEMP_SOURCE[]
265 = { 0x621, 0x622, 0x623, 0x100, 0x200, 0x300, 0x624, 0x625, 0x626 };
266
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267static const char *const w83667hg_b_temp_label[] = {
268 "SYSTIN",
269 "CPUTIN",
270 "AUXTIN",
271 "AMDTSI",
272 "PECI Agent 1",
273 "PECI Agent 2",
274 "PECI Agent 3",
275 "PECI Agent 4"
276};
277
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278static const char *const nct6775_temp_label[] = {
279 "",
280 "SYSTIN",
281 "CPUTIN",
282 "AUXTIN",
283 "AMD SB-TSI",
284 "PECI Agent 0",
285 "PECI Agent 1",
286 "PECI Agent 2",
287 "PECI Agent 3",
288 "PECI Agent 4",
289 "PECI Agent 5",
290 "PECI Agent 6",
291 "PECI Agent 7",
292 "PCH_CHIP_CPU_MAX_TEMP",
293 "PCH_CHIP_TEMP",
294 "PCH_CPU_TEMP",
295 "PCH_MCH_TEMP",
296 "PCH_DIM0_TEMP",
297 "PCH_DIM1_TEMP",
298 "PCH_DIM2_TEMP",
299 "PCH_DIM3_TEMP"
300};
301
302static const char *const nct6776_temp_label[] = {
303 "",
304 "SYSTIN",
305 "CPUTIN",
306 "AUXTIN",
307 "SMBUSMASTER 0",
308 "SMBUSMASTER 1",
309 "SMBUSMASTER 2",
310 "SMBUSMASTER 3",
311 "SMBUSMASTER 4",
312 "SMBUSMASTER 5",
313 "SMBUSMASTER 6",
314 "SMBUSMASTER 7",
315 "PECI Agent 0",
316 "PECI Agent 1",
317 "PCH_CHIP_CPU_MAX_TEMP",
318 "PCH_CHIP_TEMP",
319 "PCH_CPU_TEMP",
320 "PCH_MCH_TEMP",
321 "PCH_DIM0_TEMP",
322 "PCH_DIM1_TEMP",
323 "PCH_DIM2_TEMP",
324 "PCH_DIM3_TEMP",
325 "BYTE_TEMP"
326};
327
328#define NUM_REG_TEMP ARRAY_SIZE(NCT6775_REG_TEMP)
d36cf32c 329
17296feb 330static int is_word_sized(u16 reg)
bce26c58 331{
ec3e5a16 332 return ((((reg & 0xff00) == 0x100
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333 || (reg & 0xff00) == 0x200)
334 && ((reg & 0x00ff) == 0x50
335 || (reg & 0x00ff) == 0x53
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336 || (reg & 0x00ff) == 0x55))
337 || (reg & 0xfff0) == 0x630
338 || reg == 0x640 || reg == 0x642
339 || ((reg & 0xfff0) == 0x650
340 && (reg & 0x000f) >= 0x06)
341 || reg == 0x73 || reg == 0x75 || reg == 0x77
342 );
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343}
344
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345/*
346 * Conversions
347 */
348
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349/* 1 is PWM mode, output in ms */
350static inline unsigned int step_time_from_reg(u8 reg, u8 mode)
351{
352 return mode ? 100 * reg : 400 * reg;
353}
354
355static inline u8 step_time_to_reg(unsigned int msec, u8 mode)
356{
357 return SENSORS_LIMIT((mode ? (msec + 50) / 100 :
358 (msec + 200) / 400), 1, 255);
359}
360
26bc440e 361static unsigned int fan_from_reg8(u16 reg, unsigned int divreg)
08e7e278 362{
26bc440e 363 if (reg == 0 || reg == 255)
08e7e278 364 return 0;
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365 return 1350000U / (reg << divreg);
366}
367
368static unsigned int fan_from_reg13(u16 reg, unsigned int divreg)
369{
370 if ((reg & 0xff1f) == 0xff1f)
371 return 0;
372
373 reg = (reg & 0x1f) | ((reg & 0xff00) >> 3);
374
375 if (reg == 0)
376 return 0;
377
378 return 1350000U / reg;
379}
380
381static unsigned int fan_from_reg16(u16 reg, unsigned int divreg)
382{
383 if (reg == 0 || reg == 0xffff)
384 return 0;
385
386 /*
387 * Even though the registers are 16 bit wide, the fan divisor
388 * still applies.
389 */
390 return 1350000U / (reg << divreg);
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391}
392
393static inline unsigned int
394div_from_reg(u8 reg)
395{
396 return 1 << reg;
397}
398
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399/*
400 * Some of the voltage inputs have internal scaling, the tables below
401 * contain 8 (the ADC LSB in mV) * scaling factor * 100
402 */
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403static const u16 scale_in_common[10] = {
404 800, 800, 1600, 1600, 800, 800, 800, 1600, 1600, 800
405};
406static const u16 scale_in_w83627uhg[9] = {
407 800, 800, 3328, 3424, 800, 800, 0, 3328, 3400
408};
cf0676fe 409
eff7687d 410static inline long in_from_reg(u8 reg, u8 nr, const u16 *scale_in)
cf0676fe 411{
eff7687d 412 return DIV_ROUND_CLOSEST(reg * scale_in[nr], 100);
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413}
414
eff7687d 415static inline u8 in_to_reg(u32 val, u8 nr, const u16 *scale_in)
cf0676fe 416{
eff7687d 417 return SENSORS_LIMIT(DIV_ROUND_CLOSEST(val * 100, scale_in[nr]), 0,
e7e1ca6e 418 255);
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419}
420
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421/*
422 * Data structures and manipulation thereof
423 */
424
425struct w83627ehf_data {
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426 int addr; /* IO base of hw monitor block */
427 const char *name;
428
1beeffe4 429 struct device *hwmon_dev;
9a61bf63 430 struct mutex lock;
08e7e278 431
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432 u16 reg_temp[NUM_REG_TEMP];
433 u16 reg_temp_over[NUM_REG_TEMP];
434 u16 reg_temp_hyst[NUM_REG_TEMP];
435 u16 reg_temp_config[NUM_REG_TEMP];
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436 u8 temp_src[NUM_REG_TEMP];
437 const char * const *temp_label;
438
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439 const u16 *REG_PWM;
440 const u16 *REG_TARGET;
441 const u16 *REG_FAN;
442 const u16 *REG_FAN_MIN;
443 const u16 *REG_FAN_START_OUTPUT;
444 const u16 *REG_FAN_STOP_OUTPUT;
445 const u16 *REG_FAN_STOP_TIME;
446 const u16 *REG_FAN_MAX_OUTPUT;
447 const u16 *REG_FAN_STEP_OUTPUT;
eff7687d 448 const u16 *scale_in;
da2e0255 449
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450 unsigned int (*fan_from_reg)(u16 reg, unsigned int divreg);
451 unsigned int (*fan_from_reg_min)(u16 reg, unsigned int divreg);
452
9a61bf63 453 struct mutex update_lock;
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454 char valid; /* !=0 if following fields are valid */
455 unsigned long last_updated; /* In jiffies */
456
457 /* Register values */
83cc8985 458 u8 bank; /* current register bank */
1ea6dd38 459 u8 in_num; /* number of in inputs we have */
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460 u8 in[10]; /* Register value */
461 u8 in_max[10]; /* Register value */
462 u8 in_min[10]; /* Register value */
3382a918 463 unsigned int rpm[5];
ec3e5a16 464 u16 fan_min[5];
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465 u8 fan_div[5];
466 u8 has_fan; /* some fan inputs can be disabled */
ec3e5a16 467 u8 has_fan_min; /* some fans don't have min register */
26bc440e 468 bool has_fan_div;
da667365 469 u8 temp_type[3];
840e191d 470 s8 temp_offset[3];
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471 s16 temp[9];
472 s16 temp_max[9];
473 s16 temp_max_hyst[9];
a4589dbb 474 u32 alarms;
363a12a4 475 u8 caseopen;
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476
477 u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */
478 u8 pwm_enable[4]; /* 1->manual
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479 * 2->thermal cruise mode (also called SmartFan I)
480 * 3->fan speed cruise mode
481 * 4->variable thermal cruise (also called
482 * SmartFan III)
483 * 5->enhanced variable thermal cruise (also called
484 * SmartFan IV)
485 */
b84bb518 486 u8 pwm_enable_orig[4]; /* original value of pwm_enable */
237c8d2f 487 u8 pwm_num; /* number of pwm */
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488 u8 pwm[4];
489 u8 target_temp[4];
490 u8 tolerance[4];
491
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492 u8 fan_start_output[4]; /* minimum fan speed when spinning up */
493 u8 fan_stop_output[4]; /* minimum fan speed when spinning down */
494 u8 fan_stop_time[4]; /* time at minimum before disabling fan */
495 u8 fan_max_output[4]; /* maximum fan speed */
496 u8 fan_step_output[4]; /* rate of change output value */
fc18d6c0
JD
497
498 u8 vid;
499 u8 vrm;
a157d06d 500
ec3e5a16 501 u16 have_temp;
840e191d 502 u16 have_temp_offset;
eff7687d
JD
503 u8 in6_skip:1;
504 u8 temp3_val_only:1;
7e630bb5
JD
505
506#ifdef CONFIG_PM
507 /* Remember extra register values over suspend/resume */
508 u8 vbat;
509 u8 fandiv1;
510 u8 fandiv2;
511#endif
08e7e278
JD
512};
513
1ea6dd38
DH
514struct w83627ehf_sio_data {
515 int sioreg;
516 enum kinds kind;
517};
518
83cc8985
GR
519/*
520 * On older chips, only registers 0x50-0x5f are banked.
521 * On more recent chips, all registers are banked.
522 * Assume that is the case and set the bank number for each access.
523 * Cache the bank number so it only needs to be set if it changes.
524 */
1ea6dd38 525static inline void w83627ehf_set_bank(struct w83627ehf_data *data, u16 reg)
08e7e278 526{
83cc8985
GR
527 u8 bank = reg >> 8;
528 if (data->bank != bank) {
1ea6dd38 529 outb_p(W83627EHF_REG_BANK, data->addr + ADDR_REG_OFFSET);
83cc8985
GR
530 outb_p(bank, data->addr + DATA_REG_OFFSET);
531 data->bank = bank;
08e7e278
JD
532 }
533}
534
1ea6dd38 535static u16 w83627ehf_read_value(struct w83627ehf_data *data, u16 reg)
08e7e278 536{
08e7e278
JD
537 int res, word_sized = is_word_sized(reg);
538
9a61bf63 539 mutex_lock(&data->lock);
08e7e278 540
1ea6dd38
DH
541 w83627ehf_set_bank(data, reg);
542 outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET);
543 res = inb_p(data->addr + DATA_REG_OFFSET);
08e7e278
JD
544 if (word_sized) {
545 outb_p((reg & 0xff) + 1,
1ea6dd38
DH
546 data->addr + ADDR_REG_OFFSET);
547 res = (res << 8) + inb_p(data->addr + DATA_REG_OFFSET);
08e7e278 548 }
08e7e278 549
9a61bf63 550 mutex_unlock(&data->lock);
08e7e278
JD
551 return res;
552}
553
e7e1ca6e
GR
554static int w83627ehf_write_value(struct w83627ehf_data *data, u16 reg,
555 u16 value)
08e7e278 556{
08e7e278
JD
557 int word_sized = is_word_sized(reg);
558
9a61bf63 559 mutex_lock(&data->lock);
08e7e278 560
1ea6dd38
DH
561 w83627ehf_set_bank(data, reg);
562 outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET);
08e7e278 563 if (word_sized) {
1ea6dd38 564 outb_p(value >> 8, data->addr + DATA_REG_OFFSET);
08e7e278 565 outb_p((reg & 0xff) + 1,
1ea6dd38 566 data->addr + ADDR_REG_OFFSET);
08e7e278 567 }
1ea6dd38 568 outb_p(value & 0xff, data->addr + DATA_REG_OFFSET);
08e7e278 569
9a61bf63 570 mutex_unlock(&data->lock);
08e7e278
JD
571 return 0;
572}
573
c5794cfa
JD
574/* We left-align 8-bit temperature values to make the code simpler */
575static u16 w83627ehf_read_temp(struct w83627ehf_data *data, u16 reg)
576{
577 u16 res;
578
579 res = w83627ehf_read_value(data, reg);
580 if (!is_word_sized(reg))
581 res <<= 8;
582
583 return res;
584}
585
586static int w83627ehf_write_temp(struct w83627ehf_data *data, u16 reg,
587 u16 value)
588{
589 if (!is_word_sized(reg))
590 value >>= 8;
591 return w83627ehf_write_value(data, reg, value);
592}
593
ec3e5a16
GR
594/* This function assumes that the caller holds data->update_lock */
595static void nct6775_write_fan_div(struct w83627ehf_data *data, int nr)
596{
597 u8 reg;
598
599 switch (nr) {
600 case 0:
601 reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV1) & 0x70)
602 | (data->fan_div[0] & 0x7);
603 w83627ehf_write_value(data, NCT6775_REG_FANDIV1, reg);
604 break;
605 case 1:
606 reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV1) & 0x7)
607 | ((data->fan_div[1] << 4) & 0x70);
608 w83627ehf_write_value(data, NCT6775_REG_FANDIV1, reg);
58c3667d 609 break;
ec3e5a16
GR
610 case 2:
611 reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV2) & 0x70)
612 | (data->fan_div[2] & 0x7);
613 w83627ehf_write_value(data, NCT6775_REG_FANDIV2, reg);
614 break;
615 case 3:
616 reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV2) & 0x7)
617 | ((data->fan_div[3] << 4) & 0x70);
618 w83627ehf_write_value(data, NCT6775_REG_FANDIV2, reg);
619 break;
620 }
621}
622
08e7e278 623/* This function assumes that the caller holds data->update_lock */
1ea6dd38 624static void w83627ehf_write_fan_div(struct w83627ehf_data *data, int nr)
08e7e278 625{
08e7e278
JD
626 u8 reg;
627
628 switch (nr) {
629 case 0:
1ea6dd38 630 reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV1) & 0xcf)
08e7e278 631 | ((data->fan_div[0] & 0x03) << 4);
14992c7e
RM
632 /* fan5 input control bit is write only, compute the value */
633 reg |= (data->has_fan & (1 << 4)) ? 1 : 0;
1ea6dd38
DH
634 w83627ehf_write_value(data, W83627EHF_REG_FANDIV1, reg);
635 reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0xdf)
08e7e278 636 | ((data->fan_div[0] & 0x04) << 3);
1ea6dd38 637 w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg);
08e7e278
JD
638 break;
639 case 1:
1ea6dd38 640 reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV1) & 0x3f)
08e7e278 641 | ((data->fan_div[1] & 0x03) << 6);
14992c7e
RM
642 /* fan5 input control bit is write only, compute the value */
643 reg |= (data->has_fan & (1 << 4)) ? 1 : 0;
1ea6dd38
DH
644 w83627ehf_write_value(data, W83627EHF_REG_FANDIV1, reg);
645 reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0xbf)
08e7e278 646 | ((data->fan_div[1] & 0x04) << 4);
1ea6dd38 647 w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg);
08e7e278
JD
648 break;
649 case 2:
1ea6dd38 650 reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV2) & 0x3f)
08e7e278 651 | ((data->fan_div[2] & 0x03) << 6);
1ea6dd38
DH
652 w83627ehf_write_value(data, W83627EHF_REG_FANDIV2, reg);
653 reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0x7f)
08e7e278 654 | ((data->fan_div[2] & 0x04) << 5);
1ea6dd38 655 w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg);
08e7e278
JD
656 break;
657 case 3:
1ea6dd38 658 reg = (w83627ehf_read_value(data, W83627EHF_REG_DIODE) & 0xfc)
08e7e278 659 | (data->fan_div[3] & 0x03);
1ea6dd38
DH
660 w83627ehf_write_value(data, W83627EHF_REG_DIODE, reg);
661 reg = (w83627ehf_read_value(data, W83627EHF_REG_SMI_OVT) & 0x7f)
08e7e278 662 | ((data->fan_div[3] & 0x04) << 5);
1ea6dd38 663 w83627ehf_write_value(data, W83627EHF_REG_SMI_OVT, reg);
08e7e278
JD
664 break;
665 case 4:
1ea6dd38 666 reg = (w83627ehf_read_value(data, W83627EHF_REG_DIODE) & 0x73)
33725ad3 667 | ((data->fan_div[4] & 0x03) << 2)
08e7e278 668 | ((data->fan_div[4] & 0x04) << 5);
1ea6dd38 669 w83627ehf_write_value(data, W83627EHF_REG_DIODE, reg);
08e7e278
JD
670 break;
671 }
672}
673
ec3e5a16
GR
674static void w83627ehf_write_fan_div_common(struct device *dev,
675 struct w83627ehf_data *data, int nr)
676{
677 struct w83627ehf_sio_data *sio_data = dev->platform_data;
678
679 if (sio_data->kind == nct6776)
680 ; /* no dividers, do nothing */
681 else if (sio_data->kind == nct6775)
682 nct6775_write_fan_div(data, nr);
683 else
684 w83627ehf_write_fan_div(data, nr);
685}
686
687static void nct6775_update_fan_div(struct w83627ehf_data *data)
688{
689 u8 i;
690
691 i = w83627ehf_read_value(data, NCT6775_REG_FANDIV1);
692 data->fan_div[0] = i & 0x7;
693 data->fan_div[1] = (i & 0x70) >> 4;
694 i = w83627ehf_read_value(data, NCT6775_REG_FANDIV2);
695 data->fan_div[2] = i & 0x7;
696 if (data->has_fan & (1<<3))
697 data->fan_div[3] = (i & 0x70) >> 4;
698}
699
ea7be66c
MH
700static void w83627ehf_update_fan_div(struct w83627ehf_data *data)
701{
702 int i;
703
704 i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1);
705 data->fan_div[0] = (i >> 4) & 0x03;
706 data->fan_div[1] = (i >> 6) & 0x03;
707 i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV2);
708 data->fan_div[2] = (i >> 6) & 0x03;
709 i = w83627ehf_read_value(data, W83627EHF_REG_VBAT);
710 data->fan_div[0] |= (i >> 3) & 0x04;
711 data->fan_div[1] |= (i >> 4) & 0x04;
712 data->fan_div[2] |= (i >> 5) & 0x04;
713 if (data->has_fan & ((1 << 3) | (1 << 4))) {
714 i = w83627ehf_read_value(data, W83627EHF_REG_DIODE);
715 data->fan_div[3] = i & 0x03;
716 data->fan_div[4] = ((i >> 2) & 0x03)
717 | ((i >> 5) & 0x04);
718 }
719 if (data->has_fan & (1 << 3)) {
720 i = w83627ehf_read_value(data, W83627EHF_REG_SMI_OVT);
721 data->fan_div[3] |= (i >> 5) & 0x04;
722 }
723}
724
ec3e5a16
GR
725static void w83627ehf_update_fan_div_common(struct device *dev,
726 struct w83627ehf_data *data)
727{
728 struct w83627ehf_sio_data *sio_data = dev->platform_data;
729
730 if (sio_data->kind == nct6776)
731 ; /* no dividers, do nothing */
732 else if (sio_data->kind == nct6775)
733 nct6775_update_fan_div(data);
734 else
735 w83627ehf_update_fan_div(data);
736}
737
738static void nct6775_update_pwm(struct w83627ehf_data *data)
739{
740 int i;
741 int pwmcfg, fanmodecfg;
742
743 for (i = 0; i < data->pwm_num; i++) {
744 pwmcfg = w83627ehf_read_value(data,
745 W83627EHF_REG_PWM_ENABLE[i]);
746 fanmodecfg = w83627ehf_read_value(data,
747 NCT6775_REG_FAN_MODE[i]);
748 data->pwm_mode[i] =
749 ((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1) ? 0 : 1;
750 data->pwm_enable[i] = ((fanmodecfg >> 4) & 7) + 1;
751 data->tolerance[i] = fanmodecfg & 0x0f;
752 data->pwm[i] = w83627ehf_read_value(data, data->REG_PWM[i]);
753 }
754}
755
756static void w83627ehf_update_pwm(struct w83627ehf_data *data)
757{
758 int i;
759 int pwmcfg = 0, tolerance = 0; /* shut up the compiler */
760
761 for (i = 0; i < data->pwm_num; i++) {
762 if (!(data->has_fan & (1 << i)))
763 continue;
764
765 /* pwmcfg, tolerance mapped for i=0, i=1 to same reg */
766 if (i != 1) {
767 pwmcfg = w83627ehf_read_value(data,
768 W83627EHF_REG_PWM_ENABLE[i]);
769 tolerance = w83627ehf_read_value(data,
770 W83627EHF_REG_TOLERANCE[i]);
771 }
772 data->pwm_mode[i] =
773 ((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1) ? 0 : 1;
774 data->pwm_enable[i] = ((pwmcfg >> W83627EHF_PWM_ENABLE_SHIFT[i])
775 & 3) + 1;
776 data->pwm[i] = w83627ehf_read_value(data, data->REG_PWM[i]);
777
778 data->tolerance[i] = (tolerance >> (i == 1 ? 4 : 0)) & 0x0f;
779 }
780}
781
782static void w83627ehf_update_pwm_common(struct device *dev,
783 struct w83627ehf_data *data)
784{
785 struct w83627ehf_sio_data *sio_data = dev->platform_data;
786
787 if (sio_data->kind == nct6775 || sio_data->kind == nct6776)
788 nct6775_update_pwm(data);
789 else
790 w83627ehf_update_pwm(data);
791}
792
08e7e278
JD
793static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
794{
1ea6dd38 795 struct w83627ehf_data *data = dev_get_drvdata(dev);
ec3e5a16
GR
796 struct w83627ehf_sio_data *sio_data = dev->platform_data;
797
08e7e278
JD
798 int i;
799
9a61bf63 800 mutex_lock(&data->update_lock);
08e7e278 801
6b3e4645 802 if (time_after(jiffies, data->last_updated + HZ + HZ/2)
08e7e278
JD
803 || !data->valid) {
804 /* Fan clock dividers */
ec3e5a16 805 w83627ehf_update_fan_div_common(dev, data);
08e7e278 806
cf0676fe 807 /* Measured voltages and limits */
1ea6dd38 808 for (i = 0; i < data->in_num; i++) {
389ef65d
JD
809 if ((i == 6) && data->in6_skip)
810 continue;
811
1ea6dd38 812 data->in[i] = w83627ehf_read_value(data,
cf0676fe 813 W83627EHF_REG_IN(i));
1ea6dd38 814 data->in_min[i] = w83627ehf_read_value(data,
cf0676fe 815 W83627EHF_REG_IN_MIN(i));
1ea6dd38 816 data->in_max[i] = w83627ehf_read_value(data,
cf0676fe
RM
817 W83627EHF_REG_IN_MAX(i));
818 }
819
08e7e278
JD
820 /* Measured fan speeds and limits */
821 for (i = 0; i < 5; i++) {
3382a918
GR
822 u16 reg;
823
08e7e278
JD
824 if (!(data->has_fan & (1 << i)))
825 continue;
826
3382a918
GR
827 reg = w83627ehf_read_value(data, data->REG_FAN[i]);
828 data->rpm[i] = data->fan_from_reg(reg,
829 data->fan_div[i]);
ec3e5a16
GR
830
831 if (data->has_fan_min & (1 << i))
832 data->fan_min[i] = w83627ehf_read_value(data,
279af1a9 833 data->REG_FAN_MIN[i]);
08e7e278 834
8969e84d
GR
835 /*
836 * If we failed to measure the fan speed and clock
837 * divider can be increased, let's try that for next
838 * time
839 */
26bc440e 840 if (data->has_fan_div
3382a918
GR
841 && (reg >= 0xff || (sio_data->kind == nct6775
842 && reg == 0x00))
ec3e5a16 843 && data->fan_div[i] < 0x07) {
e7e1ca6e 844 dev_dbg(dev, "Increasing fan%d "
08e7e278 845 "clock divider from %u to %u\n",
33725ad3 846 i + 1, div_from_reg(data->fan_div[i]),
08e7e278
JD
847 div_from_reg(data->fan_div[i] + 1));
848 data->fan_div[i]++;
ec3e5a16 849 w83627ehf_write_fan_div_common(dev, data, i);
08e7e278 850 /* Preserve min limit if possible */
ec3e5a16
GR
851 if ((data->has_fan_min & (1 << i))
852 && data->fan_min[i] >= 2
08e7e278 853 && data->fan_min[i] != 255)
1ea6dd38 854 w83627ehf_write_value(data,
279af1a9 855 data->REG_FAN_MIN[i],
08e7e278
JD
856 (data->fan_min[i] /= 2));
857 }
858 }
859
ec3e5a16
GR
860 w83627ehf_update_pwm_common(dev, data);
861
da2e0255
GR
862 for (i = 0; i < data->pwm_num; i++) {
863 if (!(data->has_fan & (1 << i)))
864 continue;
865
ec3e5a16
GR
866 data->fan_start_output[i] =
867 w83627ehf_read_value(data,
868 data->REG_FAN_START_OUTPUT[i]);
869 data->fan_stop_output[i] =
870 w83627ehf_read_value(data,
871 data->REG_FAN_STOP_OUTPUT[i]);
872 data->fan_stop_time[i] =
873 w83627ehf_read_value(data,
874 data->REG_FAN_STOP_TIME[i]);
875
876 if (data->REG_FAN_MAX_OUTPUT &&
877 data->REG_FAN_MAX_OUTPUT[i] != 0xff)
da2e0255
GR
878 data->fan_max_output[i] =
879 w83627ehf_read_value(data,
ec3e5a16 880 data->REG_FAN_MAX_OUTPUT[i]);
da2e0255 881
ec3e5a16
GR
882 if (data->REG_FAN_STEP_OUTPUT &&
883 data->REG_FAN_STEP_OUTPUT[i] != 0xff)
da2e0255
GR
884 data->fan_step_output[i] =
885 w83627ehf_read_value(data,
ec3e5a16 886 data->REG_FAN_STEP_OUTPUT[i]);
da2e0255 887
08c79950 888 data->target_temp[i] =
1ea6dd38 889 w83627ehf_read_value(data,
279af1a9 890 data->REG_TARGET[i]) &
08c79950 891 (data->pwm_mode[i] == 1 ? 0x7f : 0xff);
08c79950
RM
892 }
893
08e7e278 894 /* Measured temperatures and limits */
d36cf32c
GR
895 for (i = 0; i < NUM_REG_TEMP; i++) {
896 if (!(data->have_temp & (1 << i)))
897 continue;
c5794cfa 898 data->temp[i] = w83627ehf_read_temp(data,
ec3e5a16
GR
899 data->reg_temp[i]);
900 if (data->reg_temp_over[i])
901 data->temp_max[i]
c5794cfa 902 = w83627ehf_read_temp(data,
ec3e5a16
GR
903 data->reg_temp_over[i]);
904 if (data->reg_temp_hyst[i])
905 data->temp_max_hyst[i]
c5794cfa 906 = w83627ehf_read_temp(data,
ec3e5a16 907 data->reg_temp_hyst[i]);
45633fb3
JD
908 if (i > 2)
909 continue;
840e191d
GR
910 if (data->have_temp_offset & (1 << i))
911 data->temp_offset[i]
912 = w83627ehf_read_value(data,
913 W83627EHF_REG_TEMP_OFFSET[i]);
08e7e278
JD
914 }
915
1ea6dd38 916 data->alarms = w83627ehf_read_value(data,
a4589dbb 917 W83627EHF_REG_ALARM1) |
1ea6dd38 918 (w83627ehf_read_value(data,
a4589dbb 919 W83627EHF_REG_ALARM2) << 8) |
1ea6dd38 920 (w83627ehf_read_value(data,
a4589dbb
JD
921 W83627EHF_REG_ALARM3) << 16);
922
363a12a4
DA
923 data->caseopen = w83627ehf_read_value(data,
924 W83627EHF_REG_CASEOPEN_DET);
925
08e7e278
JD
926 data->last_updated = jiffies;
927 data->valid = 1;
928 }
929
9a61bf63 930 mutex_unlock(&data->update_lock);
08e7e278
JD
931 return data;
932}
933
934/*
935 * Sysfs callback functions
936 */
cf0676fe
RM
937#define show_in_reg(reg) \
938static ssize_t \
939show_##reg(struct device *dev, struct device_attribute *attr, \
940 char *buf) \
941{ \
942 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
e7e1ca6e
GR
943 struct sensor_device_attribute *sensor_attr = \
944 to_sensor_dev_attr(attr); \
cf0676fe 945 int nr = sensor_attr->index; \
eff7687d
JD
946 return sprintf(buf, "%ld\n", in_from_reg(data->reg[nr], nr, \
947 data->scale_in)); \
cf0676fe
RM
948}
949show_in_reg(in)
950show_in_reg(in_min)
951show_in_reg(in_max)
952
953#define store_in_reg(REG, reg) \
954static ssize_t \
e7e1ca6e
GR
955store_in_##reg(struct device *dev, struct device_attribute *attr, \
956 const char *buf, size_t count) \
cf0676fe 957{ \
1ea6dd38 958 struct w83627ehf_data *data = dev_get_drvdata(dev); \
e7e1ca6e
GR
959 struct sensor_device_attribute *sensor_attr = \
960 to_sensor_dev_attr(attr); \
cf0676fe 961 int nr = sensor_attr->index; \
bce26c58
GR
962 unsigned long val; \
963 int err; \
179c4fdb 964 err = kstrtoul(buf, 10, &val); \
bce26c58
GR
965 if (err < 0) \
966 return err; \
cf0676fe 967 mutex_lock(&data->update_lock); \
eff7687d 968 data->in_##reg[nr] = in_to_reg(val, nr, data->scale_in); \
1ea6dd38 969 w83627ehf_write_value(data, W83627EHF_REG_IN_##REG(nr), \
cf0676fe
RM
970 data->in_##reg[nr]); \
971 mutex_unlock(&data->update_lock); \
972 return count; \
973}
974
975store_in_reg(MIN, min)
976store_in_reg(MAX, max)
977
e7e1ca6e
GR
978static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
979 char *buf)
a4589dbb
JD
980{
981 struct w83627ehf_data *data = w83627ehf_update_device(dev);
982 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
983 int nr = sensor_attr->index;
984 return sprintf(buf, "%u\n", (data->alarms >> nr) & 0x01);
985}
986
cf0676fe
RM
987static struct sensor_device_attribute sda_in_input[] = {
988 SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0),
989 SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1),
990 SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2),
991 SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3),
992 SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4),
993 SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5),
994 SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6),
995 SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7),
996 SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8),
997 SENSOR_ATTR(in9_input, S_IRUGO, show_in, NULL, 9),
998};
999
a4589dbb
JD
1000static struct sensor_device_attribute sda_in_alarm[] = {
1001 SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0),
1002 SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1),
1003 SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2),
1004 SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3),
1005 SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8),
1006 SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 21),
1007 SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 20),
1008 SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16),
1009 SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17),
1010 SENSOR_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 19),
1011};
1012
cf0676fe 1013static struct sensor_device_attribute sda_in_min[] = {
e7e1ca6e
GR
1014 SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0),
1015 SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1),
1016 SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2),
1017 SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3),
1018 SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4),
1019 SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5),
1020 SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6),
1021 SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7),
1022 SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8),
1023 SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 9),
cf0676fe
RM
1024};
1025
1026static struct sensor_device_attribute sda_in_max[] = {
e7e1ca6e
GR
1027 SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0),
1028 SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1),
1029 SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2),
1030 SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3),
1031 SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4),
1032 SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5),
1033 SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6),
1034 SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7),
1035 SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8),
1036 SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9),
cf0676fe
RM
1037};
1038
ec3e5a16
GR
1039static ssize_t
1040show_fan(struct device *dev, struct device_attribute *attr, char *buf)
1041{
1042 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1043 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1044 int nr = sensor_attr->index;
3382a918 1045 return sprintf(buf, "%d\n", data->rpm[nr]);
ec3e5a16
GR
1046}
1047
1048static ssize_t
1049show_fan_min(struct device *dev, struct device_attribute *attr, char *buf)
1050{
1051 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1052 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1053 int nr = sensor_attr->index;
1054 return sprintf(buf, "%d\n",
26bc440e
GR
1055 data->fan_from_reg_min(data->fan_min[nr],
1056 data->fan_div[nr]));
08e7e278 1057}
08e7e278
JD
1058
1059static ssize_t
412fec82
YM
1060show_fan_div(struct device *dev, struct device_attribute *attr,
1061 char *buf)
08e7e278
JD
1062{
1063 struct w83627ehf_data *data = w83627ehf_update_device(dev);
412fec82
YM
1064 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1065 int nr = sensor_attr->index;
1066 return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr]));
08e7e278
JD
1067}
1068
1069static ssize_t
412fec82
YM
1070store_fan_min(struct device *dev, struct device_attribute *attr,
1071 const char *buf, size_t count)
08e7e278 1072{
1ea6dd38 1073 struct w83627ehf_data *data = dev_get_drvdata(dev);
412fec82
YM
1074 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1075 int nr = sensor_attr->index;
bce26c58
GR
1076 unsigned long val;
1077 int err;
08e7e278
JD
1078 unsigned int reg;
1079 u8 new_div;
1080
179c4fdb 1081 err = kstrtoul(buf, 10, &val);
bce26c58
GR
1082 if (err < 0)
1083 return err;
1084
9a61bf63 1085 mutex_lock(&data->update_lock);
26bc440e
GR
1086 if (!data->has_fan_div) {
1087 /*
1088 * Only NCT6776F for now, so we know that this is a 13 bit
1089 * register
1090 */
ec3e5a16
GR
1091 if (!val) {
1092 val = 0xff1f;
1093 } else {
1094 if (val > 1350000U)
1095 val = 135000U;
1096 val = 1350000U / val;
1097 val = (val & 0x1f) | ((val << 3) & 0xff00);
1098 }
1099 data->fan_min[nr] = val;
1100 goto done; /* Leave fan divider alone */
1101 }
08e7e278
JD
1102 if (!val) {
1103 /* No min limit, alarm disabled */
1104 data->fan_min[nr] = 255;
1105 new_div = data->fan_div[nr]; /* No change */
1106 dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1);
1107 } else if ((reg = 1350000U / val) >= 128 * 255) {
8969e84d
GR
1108 /*
1109 * Speed below this value cannot possibly be represented,
1110 * even with the highest divider (128)
1111 */
08e7e278
JD
1112 data->fan_min[nr] = 254;
1113 new_div = 7; /* 128 == (1 << 7) */
bce26c58 1114 dev_warn(dev, "fan%u low limit %lu below minimum %u, set to "
ec3e5a16 1115 "minimum\n", nr + 1, val,
26bc440e 1116 data->fan_from_reg_min(254, 7));
08e7e278 1117 } else if (!reg) {
8969e84d
GR
1118 /*
1119 * Speed above this value cannot possibly be represented,
1120 * even with the lowest divider (1)
1121 */
08e7e278
JD
1122 data->fan_min[nr] = 1;
1123 new_div = 0; /* 1 == (1 << 0) */
bce26c58 1124 dev_warn(dev, "fan%u low limit %lu above maximum %u, set to "
ec3e5a16 1125 "maximum\n", nr + 1, val,
26bc440e 1126 data->fan_from_reg_min(1, 0));
08e7e278 1127 } else {
8969e84d
GR
1128 /*
1129 * Automatically pick the best divider, i.e. the one such
1130 * that the min limit will correspond to a register value
1131 * in the 96..192 range
1132 */
08e7e278
JD
1133 new_div = 0;
1134 while (reg > 192 && new_div < 7) {
1135 reg >>= 1;
1136 new_div++;
1137 }
1138 data->fan_min[nr] = reg;
1139 }
1140
8969e84d
GR
1141 /*
1142 * Write both the fan clock divider (if it changed) and the new
1143 * fan min (unconditionally)
1144 */
08e7e278 1145 if (new_div != data->fan_div[nr]) {
08e7e278
JD
1146 dev_dbg(dev, "fan%u clock divider changed from %u to %u\n",
1147 nr + 1, div_from_reg(data->fan_div[nr]),
1148 div_from_reg(new_div));
1149 data->fan_div[nr] = new_div;
ec3e5a16 1150 w83627ehf_write_fan_div_common(dev, data, nr);
6b3e4645
JD
1151 /* Give the chip time to sample a new speed value */
1152 data->last_updated = jiffies;
08e7e278 1153 }
ec3e5a16 1154done:
279af1a9 1155 w83627ehf_write_value(data, data->REG_FAN_MIN[nr],
08e7e278 1156 data->fan_min[nr]);
9a61bf63 1157 mutex_unlock(&data->update_lock);
08e7e278
JD
1158
1159 return count;
1160}
1161
412fec82
YM
1162static struct sensor_device_attribute sda_fan_input[] = {
1163 SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0),
1164 SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1),
1165 SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2),
1166 SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3),
1167 SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4),
1168};
08e7e278 1169
a4589dbb
JD
1170static struct sensor_device_attribute sda_fan_alarm[] = {
1171 SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6),
1172 SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7),
1173 SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11),
1174 SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 10),
1175 SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 23),
1176};
1177
412fec82
YM
1178static struct sensor_device_attribute sda_fan_min[] = {
1179 SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min,
1180 store_fan_min, 0),
1181 SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min,
1182 store_fan_min, 1),
1183 SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min,
1184 store_fan_min, 2),
1185 SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min,
1186 store_fan_min, 3),
1187 SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min,
1188 store_fan_min, 4),
1189};
08e7e278 1190
412fec82
YM
1191static struct sensor_device_attribute sda_fan_div[] = {
1192 SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0),
1193 SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1),
1194 SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2),
1195 SENSOR_ATTR(fan4_div, S_IRUGO, show_fan_div, NULL, 3),
1196 SENSOR_ATTR(fan5_div, S_IRUGO, show_fan_div, NULL, 4),
1197};
1198
d36cf32c
GR
1199static ssize_t
1200show_temp_label(struct device *dev, struct device_attribute *attr, char *buf)
1201{
1202 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1203 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1204 int nr = sensor_attr->index;
1205 return sprintf(buf, "%s\n", data->temp_label[data->temp_src[nr]]);
1206}
1207
ec3e5a16 1208#define show_temp_reg(addr, reg) \
08e7e278 1209static ssize_t \
412fec82
YM
1210show_##reg(struct device *dev, struct device_attribute *attr, \
1211 char *buf) \
08e7e278
JD
1212{ \
1213 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
e7e1ca6e
GR
1214 struct sensor_device_attribute *sensor_attr = \
1215 to_sensor_dev_attr(attr); \
412fec82 1216 int nr = sensor_attr->index; \
c5794cfa 1217 return sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(data->reg[nr])); \
08e7e278 1218}
ec3e5a16
GR
1219show_temp_reg(reg_temp, temp);
1220show_temp_reg(reg_temp_over, temp_max);
1221show_temp_reg(reg_temp_hyst, temp_max_hyst);
08e7e278 1222
ec3e5a16 1223#define store_temp_reg(addr, reg) \
08e7e278 1224static ssize_t \
412fec82
YM
1225store_##reg(struct device *dev, struct device_attribute *attr, \
1226 const char *buf, size_t count) \
08e7e278 1227{ \
1ea6dd38 1228 struct w83627ehf_data *data = dev_get_drvdata(dev); \
e7e1ca6e
GR
1229 struct sensor_device_attribute *sensor_attr = \
1230 to_sensor_dev_attr(attr); \
412fec82 1231 int nr = sensor_attr->index; \
bce26c58
GR
1232 int err; \
1233 long val; \
179c4fdb 1234 err = kstrtol(buf, 10, &val); \
bce26c58
GR
1235 if (err < 0) \
1236 return err; \
9a61bf63 1237 mutex_lock(&data->update_lock); \
c5794cfa
JD
1238 data->reg[nr] = LM75_TEMP_TO_REG(val); \
1239 w83627ehf_write_temp(data, data->addr[nr], data->reg[nr]); \
9a61bf63 1240 mutex_unlock(&data->update_lock); \
08e7e278
JD
1241 return count; \
1242}
ec3e5a16
GR
1243store_temp_reg(reg_temp_over, temp_max);
1244store_temp_reg(reg_temp_hyst, temp_max_hyst);
08e7e278 1245
840e191d
GR
1246static ssize_t
1247show_temp_offset(struct device *dev, struct device_attribute *attr, char *buf)
1248{
1249 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1250 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1251
1252 return sprintf(buf, "%d\n",
1253 data->temp_offset[sensor_attr->index] * 1000);
1254}
1255
1256static ssize_t
1257store_temp_offset(struct device *dev, struct device_attribute *attr,
1258 const char *buf, size_t count)
1259{
1260 struct w83627ehf_data *data = dev_get_drvdata(dev);
1261 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1262 int nr = sensor_attr->index;
1263 long val;
1264 int err;
1265
1266 err = kstrtol(buf, 10, &val);
1267 if (err < 0)
1268 return err;
1269
1270 val = SENSORS_LIMIT(DIV_ROUND_CLOSEST(val, 1000), -128, 127);
1271
1272 mutex_lock(&data->update_lock);
1273 data->temp_offset[nr] = val;
1274 w83627ehf_write_value(data, W83627EHF_REG_TEMP_OFFSET[nr], val);
1275 mutex_unlock(&data->update_lock);
1276 return count;
1277}
1278
da667365
JD
1279static ssize_t
1280show_temp_type(struct device *dev, struct device_attribute *attr, char *buf)
1281{
1282 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1283 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1284 int nr = sensor_attr->index;
1285 return sprintf(buf, "%d\n", (int)data->temp_type[nr]);
1286}
1287
a157d06d 1288static struct sensor_device_attribute sda_temp_input[] = {
bce26c58
GR
1289 SENSOR_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0),
1290 SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1),
1291 SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2),
d36cf32c 1292 SENSOR_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3),
ec3e5a16
GR
1293 SENSOR_ATTR(temp5_input, S_IRUGO, show_temp, NULL, 4),
1294 SENSOR_ATTR(temp6_input, S_IRUGO, show_temp, NULL, 5),
1295 SENSOR_ATTR(temp7_input, S_IRUGO, show_temp, NULL, 6),
1296 SENSOR_ATTR(temp8_input, S_IRUGO, show_temp, NULL, 7),
1297 SENSOR_ATTR(temp9_input, S_IRUGO, show_temp, NULL, 8),
d36cf32c
GR
1298};
1299
1300static struct sensor_device_attribute sda_temp_label[] = {
1301 SENSOR_ATTR(temp1_label, S_IRUGO, show_temp_label, NULL, 0),
1302 SENSOR_ATTR(temp2_label, S_IRUGO, show_temp_label, NULL, 1),
1303 SENSOR_ATTR(temp3_label, S_IRUGO, show_temp_label, NULL, 2),
1304 SENSOR_ATTR(temp4_label, S_IRUGO, show_temp_label, NULL, 3),
ec3e5a16
GR
1305 SENSOR_ATTR(temp5_label, S_IRUGO, show_temp_label, NULL, 4),
1306 SENSOR_ATTR(temp6_label, S_IRUGO, show_temp_label, NULL, 5),
1307 SENSOR_ATTR(temp7_label, S_IRUGO, show_temp_label, NULL, 6),
1308 SENSOR_ATTR(temp8_label, S_IRUGO, show_temp_label, NULL, 7),
1309 SENSOR_ATTR(temp9_label, S_IRUGO, show_temp_label, NULL, 8),
a157d06d
GJ
1310};
1311
1312static struct sensor_device_attribute sda_temp_max[] = {
bce26c58 1313 SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp_max,
412fec82 1314 store_temp_max, 0),
bce26c58 1315 SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, show_temp_max,
412fec82 1316 store_temp_max, 1),
bce26c58
GR
1317 SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, show_temp_max,
1318 store_temp_max, 2),
ec3e5a16
GR
1319 SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR, show_temp_max,
1320 store_temp_max, 3),
1321 SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR, show_temp_max,
1322 store_temp_max, 4),
1323 SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR, show_temp_max,
1324 store_temp_max, 5),
1325 SENSOR_ATTR(temp7_max, S_IRUGO | S_IWUSR, show_temp_max,
1326 store_temp_max, 6),
1327 SENSOR_ATTR(temp8_max, S_IRUGO | S_IWUSR, show_temp_max,
1328 store_temp_max, 7),
1329 SENSOR_ATTR(temp9_max, S_IRUGO | S_IWUSR, show_temp_max,
1330 store_temp_max, 8),
a157d06d
GJ
1331};
1332
1333static struct sensor_device_attribute sda_temp_max_hyst[] = {
bce26c58 1334 SENSOR_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
412fec82 1335 store_temp_max_hyst, 0),
bce26c58 1336 SENSOR_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
412fec82 1337 store_temp_max_hyst, 1),
bce26c58
GR
1338 SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1339 store_temp_max_hyst, 2),
ec3e5a16
GR
1340 SENSOR_ATTR(temp4_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1341 store_temp_max_hyst, 3),
1342 SENSOR_ATTR(temp5_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1343 store_temp_max_hyst, 4),
1344 SENSOR_ATTR(temp6_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1345 store_temp_max_hyst, 5),
1346 SENSOR_ATTR(temp7_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1347 store_temp_max_hyst, 6),
1348 SENSOR_ATTR(temp8_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1349 store_temp_max_hyst, 7),
1350 SENSOR_ATTR(temp9_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1351 store_temp_max_hyst, 8),
a157d06d
GJ
1352};
1353
1354static struct sensor_device_attribute sda_temp_alarm[] = {
a4589dbb
JD
1355 SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4),
1356 SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5),
1357 SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13),
a157d06d
GJ
1358};
1359
1360static struct sensor_device_attribute sda_temp_type[] = {
da667365
JD
1361 SENSOR_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0),
1362 SENSOR_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1),
1363 SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2),
412fec82 1364};
08e7e278 1365
840e191d
GR
1366static struct sensor_device_attribute sda_temp_offset[] = {
1367 SENSOR_ATTR(temp1_offset, S_IRUGO | S_IWUSR, show_temp_offset,
1368 store_temp_offset, 0),
1369 SENSOR_ATTR(temp2_offset, S_IRUGO | S_IWUSR, show_temp_offset,
1370 store_temp_offset, 1),
1371 SENSOR_ATTR(temp3_offset, S_IRUGO | S_IWUSR, show_temp_offset,
1372 store_temp_offset, 2),
1373};
1374
08c79950 1375#define show_pwm_reg(reg) \
e7e1ca6e
GR
1376static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
1377 char *buf) \
08c79950
RM
1378{ \
1379 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
e7e1ca6e
GR
1380 struct sensor_device_attribute *sensor_attr = \
1381 to_sensor_dev_attr(attr); \
08c79950
RM
1382 int nr = sensor_attr->index; \
1383 return sprintf(buf, "%d\n", data->reg[nr]); \
1384}
1385
1386show_pwm_reg(pwm_mode)
1387show_pwm_reg(pwm_enable)
1388show_pwm_reg(pwm)
1389
1390static ssize_t
1391store_pwm_mode(struct device *dev, struct device_attribute *attr,
1392 const char *buf, size_t count)
1393{
1ea6dd38 1394 struct w83627ehf_data *data = dev_get_drvdata(dev);
08c79950 1395 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
ad77c3e1 1396 struct w83627ehf_sio_data *sio_data = dev->platform_data;
08c79950 1397 int nr = sensor_attr->index;
bce26c58
GR
1398 unsigned long val;
1399 int err;
08c79950
RM
1400 u16 reg;
1401
179c4fdb 1402 err = kstrtoul(buf, 10, &val);
bce26c58
GR
1403 if (err < 0)
1404 return err;
1405
08c79950
RM
1406 if (val > 1)
1407 return -EINVAL;
ad77c3e1
GR
1408
1409 /* On NCT67766F, DC mode is only supported for pwm1 */
1410 if (sio_data->kind == nct6776 && nr && val != 1)
1411 return -EINVAL;
1412
08c79950 1413 mutex_lock(&data->update_lock);
1ea6dd38 1414 reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]);
08c79950
RM
1415 data->pwm_mode[nr] = val;
1416 reg &= ~(1 << W83627EHF_PWM_MODE_SHIFT[nr]);
1417 if (!val)
1418 reg |= 1 << W83627EHF_PWM_MODE_SHIFT[nr];
1ea6dd38 1419 w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg);
08c79950
RM
1420 mutex_unlock(&data->update_lock);
1421 return count;
1422}
1423
1424static ssize_t
1425store_pwm(struct device *dev, struct device_attribute *attr,
1426 const char *buf, size_t count)
1427{
1ea6dd38 1428 struct w83627ehf_data *data = dev_get_drvdata(dev);
08c79950
RM
1429 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1430 int nr = sensor_attr->index;
bce26c58
GR
1431 unsigned long val;
1432 int err;
1433
179c4fdb 1434 err = kstrtoul(buf, 10, &val);
bce26c58
GR
1435 if (err < 0)
1436 return err;
1437
1438 val = SENSORS_LIMIT(val, 0, 255);
08c79950
RM
1439
1440 mutex_lock(&data->update_lock);
1441 data->pwm[nr] = val;
279af1a9 1442 w83627ehf_write_value(data, data->REG_PWM[nr], val);
08c79950
RM
1443 mutex_unlock(&data->update_lock);
1444 return count;
1445}
1446
1447static ssize_t
1448store_pwm_enable(struct device *dev, struct device_attribute *attr,
1449 const char *buf, size_t count)
1450{
1ea6dd38 1451 struct w83627ehf_data *data = dev_get_drvdata(dev);
ec3e5a16 1452 struct w83627ehf_sio_data *sio_data = dev->platform_data;
08c79950
RM
1453 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1454 int nr = sensor_attr->index;
bce26c58
GR
1455 unsigned long val;
1456 int err;
08c79950
RM
1457 u16 reg;
1458
179c4fdb 1459 err = kstrtoul(buf, 10, &val);
bce26c58
GR
1460 if (err < 0)
1461 return err;
1462
b84bb518 1463 if (!val || (val > 4 && val != data->pwm_enable_orig[nr]))
08c79950 1464 return -EINVAL;
ec3e5a16
GR
1465 /* SmartFan III mode is not supported on NCT6776F */
1466 if (sio_data->kind == nct6776 && val == 4)
1467 return -EINVAL;
1468
08c79950 1469 mutex_lock(&data->update_lock);
08c79950 1470 data->pwm_enable[nr] = val;
ec3e5a16
GR
1471 if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
1472 reg = w83627ehf_read_value(data,
1473 NCT6775_REG_FAN_MODE[nr]);
1474 reg &= 0x0f;
1475 reg |= (val - 1) << 4;
1476 w83627ehf_write_value(data,
1477 NCT6775_REG_FAN_MODE[nr], reg);
1478 } else {
1479 reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]);
1480 reg &= ~(0x03 << W83627EHF_PWM_ENABLE_SHIFT[nr]);
1481 reg |= (val - 1) << W83627EHF_PWM_ENABLE_SHIFT[nr];
1482 w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg);
1483 }
08c79950
RM
1484 mutex_unlock(&data->update_lock);
1485 return count;
1486}
1487
1488
1489#define show_tol_temp(reg) \
1490static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
1491 char *buf) \
1492{ \
1493 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
e7e1ca6e
GR
1494 struct sensor_device_attribute *sensor_attr = \
1495 to_sensor_dev_attr(attr); \
08c79950 1496 int nr = sensor_attr->index; \
bce26c58 1497 return sprintf(buf, "%d\n", data->reg[nr] * 1000); \
08c79950
RM
1498}
1499
1500show_tol_temp(tolerance)
1501show_tol_temp(target_temp)
1502
1503static ssize_t
1504store_target_temp(struct device *dev, struct device_attribute *attr,
1505 const char *buf, size_t count)
1506{
1ea6dd38 1507 struct w83627ehf_data *data = dev_get_drvdata(dev);
08c79950
RM
1508 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1509 int nr = sensor_attr->index;
bce26c58
GR
1510 long val;
1511 int err;
1512
179c4fdb 1513 err = kstrtol(buf, 10, &val);
bce26c58
GR
1514 if (err < 0)
1515 return err;
1516
1517 val = SENSORS_LIMIT(DIV_ROUND_CLOSEST(val, 1000), 0, 127);
08c79950
RM
1518
1519 mutex_lock(&data->update_lock);
1520 data->target_temp[nr] = val;
279af1a9 1521 w83627ehf_write_value(data, data->REG_TARGET[nr], val);
08c79950
RM
1522 mutex_unlock(&data->update_lock);
1523 return count;
1524}
1525
1526static ssize_t
1527store_tolerance(struct device *dev, struct device_attribute *attr,
1528 const char *buf, size_t count)
1529{
1ea6dd38 1530 struct w83627ehf_data *data = dev_get_drvdata(dev);
ec3e5a16 1531 struct w83627ehf_sio_data *sio_data = dev->platform_data;
08c79950
RM
1532 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1533 int nr = sensor_attr->index;
1534 u16 reg;
bce26c58
GR
1535 long val;
1536 int err;
1537
179c4fdb 1538 err = kstrtol(buf, 10, &val);
bce26c58
GR
1539 if (err < 0)
1540 return err;
1541
08c79950 1542 /* Limit the temp to 0C - 15C */
bce26c58 1543 val = SENSORS_LIMIT(DIV_ROUND_CLOSEST(val, 1000), 0, 15);
08c79950
RM
1544
1545 mutex_lock(&data->update_lock);
ec3e5a16
GR
1546 if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
1547 /* Limit tolerance further for NCT6776F */
1548 if (sio_data->kind == nct6776 && val > 7)
1549 val = 7;
1550 reg = w83627ehf_read_value(data, NCT6775_REG_FAN_MODE[nr]);
08c79950 1551 reg = (reg & 0xf0) | val;
ec3e5a16
GR
1552 w83627ehf_write_value(data, NCT6775_REG_FAN_MODE[nr], reg);
1553 } else {
1554 reg = w83627ehf_read_value(data, W83627EHF_REG_TOLERANCE[nr]);
1555 if (nr == 1)
1556 reg = (reg & 0x0f) | (val << 4);
1557 else
1558 reg = (reg & 0xf0) | val;
1559 w83627ehf_write_value(data, W83627EHF_REG_TOLERANCE[nr], reg);
1560 }
1561 data->tolerance[nr] = val;
08c79950
RM
1562 mutex_unlock(&data->update_lock);
1563 return count;
1564}
1565
1566static struct sensor_device_attribute sda_pwm[] = {
1567 SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0),
1568 SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1),
1569 SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2),
1570 SENSOR_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3),
1571};
1572
1573static struct sensor_device_attribute sda_pwm_mode[] = {
1574 SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
1575 store_pwm_mode, 0),
1576 SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
1577 store_pwm_mode, 1),
1578 SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
1579 store_pwm_mode, 2),
1580 SENSOR_ATTR(pwm4_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
1581 store_pwm_mode, 3),
1582};
1583
1584static struct sensor_device_attribute sda_pwm_enable[] = {
1585 SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
1586 store_pwm_enable, 0),
1587 SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
1588 store_pwm_enable, 1),
1589 SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
1590 store_pwm_enable, 2),
1591 SENSOR_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
1592 store_pwm_enable, 3),
1593};
1594
1595static struct sensor_device_attribute sda_target_temp[] = {
1596 SENSOR_ATTR(pwm1_target, S_IWUSR | S_IRUGO, show_target_temp,
1597 store_target_temp, 0),
1598 SENSOR_ATTR(pwm2_target, S_IWUSR | S_IRUGO, show_target_temp,
1599 store_target_temp, 1),
1600 SENSOR_ATTR(pwm3_target, S_IWUSR | S_IRUGO, show_target_temp,
1601 store_target_temp, 2),
1602 SENSOR_ATTR(pwm4_target, S_IWUSR | S_IRUGO, show_target_temp,
1603 store_target_temp, 3),
1604};
1605
1606static struct sensor_device_attribute sda_tolerance[] = {
1607 SENSOR_ATTR(pwm1_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
1608 store_tolerance, 0),
1609 SENSOR_ATTR(pwm2_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
1610 store_tolerance, 1),
1611 SENSOR_ATTR(pwm3_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
1612 store_tolerance, 2),
1613 SENSOR_ATTR(pwm4_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
1614 store_tolerance, 3),
1615};
1616
08c79950
RM
1617/* Smart Fan registers */
1618
1619#define fan_functions(reg, REG) \
1620static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
1621 char *buf) \
1622{ \
1623 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
e7e1ca6e
GR
1624 struct sensor_device_attribute *sensor_attr = \
1625 to_sensor_dev_attr(attr); \
08c79950
RM
1626 int nr = sensor_attr->index; \
1627 return sprintf(buf, "%d\n", data->reg[nr]); \
e7e1ca6e 1628} \
08c79950
RM
1629static ssize_t \
1630store_##reg(struct device *dev, struct device_attribute *attr, \
1631 const char *buf, size_t count) \
e7e1ca6e 1632{ \
1ea6dd38 1633 struct w83627ehf_data *data = dev_get_drvdata(dev); \
e7e1ca6e
GR
1634 struct sensor_device_attribute *sensor_attr = \
1635 to_sensor_dev_attr(attr); \
08c79950 1636 int nr = sensor_attr->index; \
bce26c58
GR
1637 unsigned long val; \
1638 int err; \
179c4fdb 1639 err = kstrtoul(buf, 10, &val); \
bce26c58
GR
1640 if (err < 0) \
1641 return err; \
1642 val = SENSORS_LIMIT(val, 1, 255); \
08c79950
RM
1643 mutex_lock(&data->update_lock); \
1644 data->reg[nr] = val; \
da2e0255 1645 w83627ehf_write_value(data, data->REG_##REG[nr], val); \
08c79950
RM
1646 mutex_unlock(&data->update_lock); \
1647 return count; \
1648}
1649
41e9a062
DB
1650fan_functions(fan_start_output, FAN_START_OUTPUT)
1651fan_functions(fan_stop_output, FAN_STOP_OUTPUT)
1652fan_functions(fan_max_output, FAN_MAX_OUTPUT)
1653fan_functions(fan_step_output, FAN_STEP_OUTPUT)
08c79950
RM
1654
1655#define fan_time_functions(reg, REG) \
1656static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
1657 char *buf) \
1658{ \
1659 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
e7e1ca6e
GR
1660 struct sensor_device_attribute *sensor_attr = \
1661 to_sensor_dev_attr(attr); \
08c79950
RM
1662 int nr = sensor_attr->index; \
1663 return sprintf(buf, "%d\n", \
e7e1ca6e
GR
1664 step_time_from_reg(data->reg[nr], \
1665 data->pwm_mode[nr])); \
08c79950
RM
1666} \
1667\
1668static ssize_t \
1669store_##reg(struct device *dev, struct device_attribute *attr, \
1670 const char *buf, size_t count) \
1671{ \
1ea6dd38 1672 struct w83627ehf_data *data = dev_get_drvdata(dev); \
e7e1ca6e
GR
1673 struct sensor_device_attribute *sensor_attr = \
1674 to_sensor_dev_attr(attr); \
08c79950 1675 int nr = sensor_attr->index; \
bce26c58
GR
1676 unsigned long val; \
1677 int err; \
179c4fdb 1678 err = kstrtoul(buf, 10, &val); \
bce26c58
GR
1679 if (err < 0) \
1680 return err; \
1681 val = step_time_to_reg(val, data->pwm_mode[nr]); \
08c79950
RM
1682 mutex_lock(&data->update_lock); \
1683 data->reg[nr] = val; \
33fa9b62 1684 w83627ehf_write_value(data, data->REG_##REG[nr], val); \
08c79950
RM
1685 mutex_unlock(&data->update_lock); \
1686 return count; \
1687} \
1688
1689fan_time_functions(fan_stop_time, FAN_STOP_TIME)
1690
1ea6dd38
DH
1691static ssize_t show_name(struct device *dev, struct device_attribute *attr,
1692 char *buf)
1693{
1694 struct w83627ehf_data *data = dev_get_drvdata(dev);
1695
1696 return sprintf(buf, "%s\n", data->name);
1697}
1698static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
08c79950
RM
1699
1700static struct sensor_device_attribute sda_sf3_arrays_fan4[] = {
1701 SENSOR_ATTR(pwm4_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
1702 store_fan_stop_time, 3),
41e9a062
DB
1703 SENSOR_ATTR(pwm4_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
1704 store_fan_start_output, 3),
1705 SENSOR_ATTR(pwm4_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
1706 store_fan_stop_output, 3),
1707 SENSOR_ATTR(pwm4_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
1708 store_fan_max_output, 3),
1709 SENSOR_ATTR(pwm4_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
1710 store_fan_step_output, 3),
08c79950
RM
1711};
1712
eff7687d
JD
1713static struct sensor_device_attribute sda_sf3_arrays_fan3[] = {
1714 SENSOR_ATTR(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
1715 store_fan_stop_time, 2),
1716 SENSOR_ATTR(pwm3_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
1717 store_fan_start_output, 2),
1718 SENSOR_ATTR(pwm3_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
1719 store_fan_stop_output, 2),
1720};
1721
08c79950
RM
1722static struct sensor_device_attribute sda_sf3_arrays[] = {
1723 SENSOR_ATTR(pwm1_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
1724 store_fan_stop_time, 0),
1725 SENSOR_ATTR(pwm2_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
1726 store_fan_stop_time, 1),
41e9a062
DB
1727 SENSOR_ATTR(pwm1_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
1728 store_fan_start_output, 0),
1729 SENSOR_ATTR(pwm2_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
1730 store_fan_start_output, 1),
41e9a062
DB
1731 SENSOR_ATTR(pwm1_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
1732 store_fan_stop_output, 0),
1733 SENSOR_ATTR(pwm2_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
1734 store_fan_stop_output, 1),
da2e0255 1735};
41e9a062 1736
da2e0255
GR
1737
1738/*
1739 * pwm1 and pwm3 don't support max and step settings on all chips.
1740 * Need to check support while generating/removing attribute files.
1741 */
1742static struct sensor_device_attribute sda_sf3_max_step_arrays[] = {
1743 SENSOR_ATTR(pwm1_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
1744 store_fan_max_output, 0),
1745 SENSOR_ATTR(pwm1_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
1746 store_fan_step_output, 0),
41e9a062
DB
1747 SENSOR_ATTR(pwm2_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
1748 store_fan_max_output, 1),
1749 SENSOR_ATTR(pwm2_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
1750 store_fan_step_output, 1),
da2e0255
GR
1751 SENSOR_ATTR(pwm3_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
1752 store_fan_max_output, 2),
1753 SENSOR_ATTR(pwm3_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
1754 store_fan_step_output, 2),
08c79950
RM
1755};
1756
fc18d6c0
JD
1757static ssize_t
1758show_vid(struct device *dev, struct device_attribute *attr, char *buf)
1759{
1760 struct w83627ehf_data *data = dev_get_drvdata(dev);
1761 return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
1762}
1763static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
1764
363a12a4
DA
1765
1766/* Case open detection */
1767
1768static ssize_t
1769show_caseopen(struct device *dev, struct device_attribute *attr, char *buf)
1770{
1771 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1772
1773 return sprintf(buf, "%d\n",
1774 !!(data->caseopen & to_sensor_dev_attr_2(attr)->index));
1775}
1776
1777static ssize_t
1778clear_caseopen(struct device *dev, struct device_attribute *attr,
1779 const char *buf, size_t count)
1780{
1781 struct w83627ehf_data *data = dev_get_drvdata(dev);
1782 unsigned long val;
1783 u16 reg, mask;
1784
179c4fdb 1785 if (kstrtoul(buf, 10, &val) || val != 0)
363a12a4
DA
1786 return -EINVAL;
1787
1788 mask = to_sensor_dev_attr_2(attr)->nr;
1789
1790 mutex_lock(&data->update_lock);
1791 reg = w83627ehf_read_value(data, W83627EHF_REG_CASEOPEN_CLR);
1792 w83627ehf_write_value(data, W83627EHF_REG_CASEOPEN_CLR, reg | mask);
1793 w83627ehf_write_value(data, W83627EHF_REG_CASEOPEN_CLR, reg & ~mask);
1794 data->valid = 0; /* Force cache refresh */
1795 mutex_unlock(&data->update_lock);
1796
1797 return count;
1798}
1799
1800static struct sensor_device_attribute_2 sda_caseopen[] = {
1801 SENSOR_ATTR_2(intrusion0_alarm, S_IWUSR | S_IRUGO, show_caseopen,
1802 clear_caseopen, 0x80, 0x10),
1803 SENSOR_ATTR_2(intrusion1_alarm, S_IWUSR | S_IRUGO, show_caseopen,
1804 clear_caseopen, 0x40, 0x40),
1805};
1806
08e7e278 1807/*
1ea6dd38 1808 * Driver and device management
08e7e278
JD
1809 */
1810
c18beb5b
DH
1811static void w83627ehf_device_remove_files(struct device *dev)
1812{
8969e84d
GR
1813 /*
1814 * some entries in the following arrays may not have been used in
1815 * device_create_file(), but device_remove_file() will ignore them
1816 */
c18beb5b 1817 int i;
1ea6dd38 1818 struct w83627ehf_data *data = dev_get_drvdata(dev);
c18beb5b
DH
1819
1820 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++)
1821 device_remove_file(dev, &sda_sf3_arrays[i].dev_attr);
da2e0255
GR
1822 for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) {
1823 struct sensor_device_attribute *attr =
1824 &sda_sf3_max_step_arrays[i];
ec3e5a16
GR
1825 if (data->REG_FAN_STEP_OUTPUT &&
1826 data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff)
da2e0255
GR
1827 device_remove_file(dev, &attr->dev_attr);
1828 }
eff7687d
JD
1829 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan3); i++)
1830 device_remove_file(dev, &sda_sf3_arrays_fan3[i].dev_attr);
c18beb5b
DH
1831 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++)
1832 device_remove_file(dev, &sda_sf3_arrays_fan4[i].dev_attr);
1ea6dd38 1833 for (i = 0; i < data->in_num; i++) {
a157d06d
GJ
1834 if ((i == 6) && data->in6_skip)
1835 continue;
c18beb5b
DH
1836 device_remove_file(dev, &sda_in_input[i].dev_attr);
1837 device_remove_file(dev, &sda_in_alarm[i].dev_attr);
1838 device_remove_file(dev, &sda_in_min[i].dev_attr);
1839 device_remove_file(dev, &sda_in_max[i].dev_attr);
1840 }
1841 for (i = 0; i < 5; i++) {
1842 device_remove_file(dev, &sda_fan_input[i].dev_attr);
1843 device_remove_file(dev, &sda_fan_alarm[i].dev_attr);
1844 device_remove_file(dev, &sda_fan_div[i].dev_attr);
1845 device_remove_file(dev, &sda_fan_min[i].dev_attr);
1846 }
237c8d2f 1847 for (i = 0; i < data->pwm_num; i++) {
c18beb5b
DH
1848 device_remove_file(dev, &sda_pwm[i].dev_attr);
1849 device_remove_file(dev, &sda_pwm_mode[i].dev_attr);
1850 device_remove_file(dev, &sda_pwm_enable[i].dev_attr);
1851 device_remove_file(dev, &sda_target_temp[i].dev_attr);
1852 device_remove_file(dev, &sda_tolerance[i].dev_attr);
1853 }
d36cf32c
GR
1854 for (i = 0; i < NUM_REG_TEMP; i++) {
1855 if (!(data->have_temp & (1 << i)))
a157d06d
GJ
1856 continue;
1857 device_remove_file(dev, &sda_temp_input[i].dev_attr);
d36cf32c 1858 device_remove_file(dev, &sda_temp_label[i].dev_attr);
eff7687d
JD
1859 if (i == 2 && data->temp3_val_only)
1860 continue;
a157d06d
GJ
1861 device_remove_file(dev, &sda_temp_max[i].dev_attr);
1862 device_remove_file(dev, &sda_temp_max_hyst[i].dev_attr);
ec3e5a16
GR
1863 if (i > 2)
1864 continue;
a157d06d
GJ
1865 device_remove_file(dev, &sda_temp_alarm[i].dev_attr);
1866 device_remove_file(dev, &sda_temp_type[i].dev_attr);
840e191d 1867 device_remove_file(dev, &sda_temp_offset[i].dev_attr);
a157d06d 1868 }
c18beb5b 1869
363a12a4
DA
1870 device_remove_file(dev, &sda_caseopen[0].dev_attr);
1871 device_remove_file(dev, &sda_caseopen[1].dev_attr);
1872
1ea6dd38 1873 device_remove_file(dev, &dev_attr_name);
cbe311f2 1874 device_remove_file(dev, &dev_attr_cpu0_vid);
1ea6dd38 1875}
08e7e278 1876
1ea6dd38 1877/* Get the monitoring functions started */
6c931ae1 1878static inline void w83627ehf_init_device(struct w83627ehf_data *data,
bf164c58 1879 enum kinds kind)
08e7e278
JD
1880{
1881 int i;
da667365 1882 u8 tmp, diode;
08e7e278
JD
1883
1884 /* Start monitoring is needed */
1ea6dd38 1885 tmp = w83627ehf_read_value(data, W83627EHF_REG_CONFIG);
08e7e278 1886 if (!(tmp & 0x01))
1ea6dd38 1887 w83627ehf_write_value(data, W83627EHF_REG_CONFIG,
08e7e278
JD
1888 tmp | 0x01);
1889
d36cf32c
GR
1890 /* Enable temperature sensors if needed */
1891 for (i = 0; i < NUM_REG_TEMP; i++) {
1892 if (!(data->have_temp & (1 << i)))
1893 continue;
ec3e5a16 1894 if (!data->reg_temp_config[i])
d36cf32c 1895 continue;
1ea6dd38 1896 tmp = w83627ehf_read_value(data,
ec3e5a16 1897 data->reg_temp_config[i]);
08e7e278 1898 if (tmp & 0x01)
1ea6dd38 1899 w83627ehf_write_value(data,
ec3e5a16 1900 data->reg_temp_config[i],
08e7e278
JD
1901 tmp & 0xfe);
1902 }
d3130f0e
JD
1903
1904 /* Enable VBAT monitoring if needed */
1905 tmp = w83627ehf_read_value(data, W83627EHF_REG_VBAT);
1906 if (!(tmp & 0x01))
1907 w83627ehf_write_value(data, W83627EHF_REG_VBAT, tmp | 0x01);
da667365
JD
1908
1909 /* Get thermal sensor types */
bf164c58
JD
1910 switch (kind) {
1911 case w83627ehf:
1912 diode = w83627ehf_read_value(data, W83627EHF_REG_DIODE);
1913 break;
eff7687d
JD
1914 case w83627uhg:
1915 diode = 0x00;
1916 break;
bf164c58
JD
1917 default:
1918 diode = 0x70;
1919 }
da667365 1920 for (i = 0; i < 3; i++) {
bfa02b0d
GR
1921 const char *label = NULL;
1922
1923 if (data->temp_label)
1924 label = data->temp_label[data->temp_src[i]];
2265cef2
JD
1925
1926 /* Digital source overrides analog type */
bfa02b0d 1927 if (label && strncmp(label, "PECI", 4) == 0)
2265cef2 1928 data->temp_type[i] = 6;
bfa02b0d 1929 else if (label && strncmp(label, "AMD", 3) == 0)
2265cef2
JD
1930 data->temp_type[i] = 5;
1931 else if ((tmp & (0x02 << i)))
bf164c58 1932 data->temp_type[i] = (diode & (0x10 << i)) ? 1 : 3;
da667365
JD
1933 else
1934 data->temp_type[i] = 4; /* thermistor */
1935 }
08e7e278
JD
1936}
1937
ec3e5a16
GR
1938static void w82627ehf_swap_tempreg(struct w83627ehf_data *data,
1939 int r1, int r2)
1940{
1941 u16 tmp;
1942
1943 tmp = data->temp_src[r1];
1944 data->temp_src[r1] = data->temp_src[r2];
1945 data->temp_src[r2] = tmp;
1946
1947 tmp = data->reg_temp[r1];
1948 data->reg_temp[r1] = data->reg_temp[r2];
1949 data->reg_temp[r2] = tmp;
1950
1951 tmp = data->reg_temp_over[r1];
1952 data->reg_temp_over[r1] = data->reg_temp_over[r2];
1953 data->reg_temp_over[r2] = tmp;
1954
1955 tmp = data->reg_temp_hyst[r1];
1956 data->reg_temp_hyst[r1] = data->reg_temp_hyst[r2];
1957 data->reg_temp_hyst[r2] = tmp;
1958
1959 tmp = data->reg_temp_config[r1];
1960 data->reg_temp_config[r1] = data->reg_temp_config[r2];
1961 data->reg_temp_config[r2] = tmp;
1962}
1963
6c931ae1 1964static void
6ba71de5
JD
1965w83627ehf_set_temp_reg_ehf(struct w83627ehf_data *data, int n_temp)
1966{
1967 int i;
1968
1969 for (i = 0; i < n_temp; i++) {
1970 data->reg_temp[i] = W83627EHF_REG_TEMP[i];
1971 data->reg_temp_over[i] = W83627EHF_REG_TEMP_OVER[i];
1972 data->reg_temp_hyst[i] = W83627EHF_REG_TEMP_HYST[i];
1973 data->reg_temp_config[i] = W83627EHF_REG_TEMP_CONFIG[i];
1974 }
1975}
1976
6c931ae1 1977static void
03f5de2b
JD
1978w83627ehf_check_fan_inputs(const struct w83627ehf_sio_data *sio_data,
1979 struct w83627ehf_data *data)
1980{
1981 int fan3pin, fan4pin, fan4min, fan5pin, regval;
1982
eff7687d
JD
1983 /* The W83627UHG is simple, only two fan inputs, no config */
1984 if (sio_data->kind == w83627uhg) {
1985 data->has_fan = 0x03; /* fan1 and fan2 */
1986 data->has_fan_min = 0x03;
1987 return;
1988 }
1989
03f5de2b
JD
1990 superio_enter(sio_data->sioreg);
1991
1992 /* fan4 and fan5 share some pins with the GPIO and serial flash */
1993 if (sio_data->kind == nct6775) {
1994 /* On NCT6775, fan4 shares pins with the fdc interface */
1995 fan3pin = 1;
1996 fan4pin = !(superio_inb(sio_data->sioreg, 0x2A) & 0x80);
1997 fan4min = 0;
1998 fan5pin = 0;
1999 } else if (sio_data->kind == nct6776) {
585c0fd8
GR
2000 bool gpok = superio_inb(sio_data->sioreg, 0x27) & 0x80;
2001
2002 superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
2003 regval = superio_inb(sio_data->sioreg, SIO_REG_ENABLE);
2004
2005 if (regval & 0x80)
2006 fan3pin = gpok;
2007 else
2008 fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
2009
2010 if (regval & 0x40)
2011 fan4pin = gpok;
2012 else
2013 fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01);
2014
2015 if (regval & 0x20)
2016 fan5pin = gpok;
2017 else
2018 fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02);
2019
03f5de2b
JD
2020 fan4min = fan4pin;
2021 } else if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
2022 fan3pin = 1;
2023 fan4pin = superio_inb(sio_data->sioreg, 0x27) & 0x40;
2024 fan5pin = superio_inb(sio_data->sioreg, 0x27) & 0x20;
2025 fan4min = fan4pin;
2026 } else {
2027 fan3pin = 1;
2028 fan4pin = !(superio_inb(sio_data->sioreg, 0x29) & 0x06);
2029 fan5pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x02);
2030 fan4min = fan4pin;
2031 }
2032
2033 superio_exit(sio_data->sioreg);
2034
2035 data->has_fan = data->has_fan_min = 0x03; /* fan1 and fan2 */
2036 data->has_fan |= (fan3pin << 2);
2037 data->has_fan_min |= (fan3pin << 2);
2038
2039 if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
2040 /*
2041 * NCT6775F and NCT6776F don't have the W83627EHF_REG_FANDIV1
2042 * register
2043 */
2044 data->has_fan |= (fan4pin << 3) | (fan5pin << 4);
2045 data->has_fan_min |= (fan4min << 3) | (fan5pin << 4);
2046 } else {
2047 /*
2048 * It looks like fan4 and fan5 pins can be alternatively used
2049 * as fan on/off switches, but fan5 control is write only :/
2050 * We assume that if the serial interface is disabled, designers
2051 * connected fan5 as input unless they are emitting log 1, which
2052 * is not the default.
2053 */
2054 regval = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1);
2055 if ((regval & (1 << 2)) && fan4pin) {
2056 data->has_fan |= (1 << 3);
2057 data->has_fan_min |= (1 << 3);
2058 }
2059 if (!(regval & (1 << 1)) && fan5pin) {
2060 data->has_fan |= (1 << 4);
2061 data->has_fan_min |= (1 << 4);
2062 }
2063 }
2064}
2065
6c931ae1 2066static int w83627ehf_probe(struct platform_device *pdev)
08e7e278 2067{
1ea6dd38
DH
2068 struct device *dev = &pdev->dev;
2069 struct w83627ehf_sio_data *sio_data = dev->platform_data;
08e7e278 2070 struct w83627ehf_data *data;
1ea6dd38 2071 struct resource *res;
03f5de2b 2072 u8 en_vrm10;
08e7e278
JD
2073 int i, err = 0;
2074
1ea6dd38
DH
2075 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
2076 if (!request_region(res->start, IOREGION_LENGTH, DRVNAME)) {
08e7e278 2077 err = -EBUSY;
1ea6dd38
DH
2078 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
2079 (unsigned long)res->start,
2080 (unsigned long)res->start + IOREGION_LENGTH - 1);
08e7e278
JD
2081 goto exit;
2082 }
2083
32260d94
GR
2084 data = devm_kzalloc(&pdev->dev, sizeof(struct w83627ehf_data),
2085 GFP_KERNEL);
e7e1ca6e 2086 if (!data) {
08e7e278
JD
2087 err = -ENOMEM;
2088 goto exit_release;
2089 }
08e7e278 2090
1ea6dd38 2091 data->addr = res->start;
9a61bf63 2092 mutex_init(&data->lock);
9a61bf63 2093 mutex_init(&data->update_lock);
1ea6dd38 2094 data->name = w83627ehf_device_names[sio_data->kind];
3300fb4f 2095 data->bank = 0xff; /* Force initial bank selection */
1ea6dd38 2096 platform_set_drvdata(pdev, data);
08e7e278 2097
237c8d2f
GJ
2098 /* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */
2099 data->in_num = (sio_data->kind == w83627ehf) ? 10 : 9;
eff7687d
JD
2100 /* 667HG, NCT6775F, and NCT6776F have 3 pwms, and 627UHG has only 2 */
2101 switch (sio_data->kind) {
2102 default:
2103 data->pwm_num = 4;
2104 break;
2105 case w83667hg:
2106 case w83667hg_b:
2107 case nct6775:
2108 case nct6776:
2109 data->pwm_num = 3;
2110 break;
2111 case w83627uhg:
2112 data->pwm_num = 2;
2113 break;
2114 }
08e7e278 2115
6ba71de5 2116 /* Default to 3 temperature inputs, code below will adjust as needed */
d36cf32c 2117 data->have_temp = 0x07;
ec3e5a16
GR
2118
2119 /* Deal with temperature register setup first. */
2120 if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
2121 int mask = 0;
2122
2123 /*
2124 * Display temperature sensor output only if it monitors
2125 * a source other than one already reported. Always display
2126 * first three temperature registers, though.
2127 */
2128 for (i = 0; i < NUM_REG_TEMP; i++) {
2129 u8 src;
2130
2131 data->reg_temp[i] = NCT6775_REG_TEMP[i];
2132 data->reg_temp_over[i] = NCT6775_REG_TEMP_OVER[i];
2133 data->reg_temp_hyst[i] = NCT6775_REG_TEMP_HYST[i];
2134 data->reg_temp_config[i] = NCT6775_REG_TEMP_CONFIG[i];
2135
2136 src = w83627ehf_read_value(data,
2137 NCT6775_REG_TEMP_SOURCE[i]);
2138 src &= 0x1f;
2139 if (src && !(mask & (1 << src))) {
2140 data->have_temp |= 1 << i;
2141 mask |= 1 << src;
2142 }
2143
2144 data->temp_src[i] = src;
2145
2146 /*
2147 * Now do some register swapping if index 0..2 don't
2148 * point to SYSTIN(1), CPUIN(2), and AUXIN(3).
2149 * Idea is to have the first three attributes
2150 * report SYSTIN, CPUIN, and AUXIN if possible
2151 * without overriding the basic system configuration.
2152 */
2153 if (i > 0 && data->temp_src[0] != 1
2154 && data->temp_src[i] == 1)
2155 w82627ehf_swap_tempreg(data, 0, i);
2156 if (i > 1 && data->temp_src[1] != 2
2157 && data->temp_src[i] == 2)
2158 w82627ehf_swap_tempreg(data, 1, i);
2159 if (i > 2 && data->temp_src[2] != 3
2160 && data->temp_src[i] == 3)
2161 w82627ehf_swap_tempreg(data, 2, i);
2162 }
2163 if (sio_data->kind == nct6776) {
2164 /*
2165 * On NCT6776, AUXTIN and VIN3 pins are shared.
2166 * Only way to detect it is to check if AUXTIN is used
2167 * as a temperature source, and if that source is
2168 * enabled.
2169 *
2170 * If that is the case, disable in6, which reports VIN3.
2171 * Otherwise disable temp3.
2172 */
2173 if (data->temp_src[2] == 3) {
2174 u8 reg;
2175
2176 if (data->reg_temp_config[2])
2177 reg = w83627ehf_read_value(data,
2178 data->reg_temp_config[2]);
2179 else
2180 reg = 0; /* Assume AUXTIN is used */
2181
2182 if (reg & 0x01)
2183 data->have_temp &= ~(1 << 2);
2184 else
2185 data->in6_skip = 1;
2186 }
02309ad2
GR
2187 data->temp_label = nct6776_temp_label;
2188 } else {
2189 data->temp_label = nct6775_temp_label;
ec3e5a16 2190 }
840e191d
GR
2191 data->have_temp_offset = data->have_temp & 0x07;
2192 for (i = 0; i < 3; i++) {
2193 if (data->temp_src[i] > 3)
2194 data->have_temp_offset &= ~(1 << i);
2195 }
d36cf32c
GR
2196 } else if (sio_data->kind == w83667hg_b) {
2197 u8 reg;
2198
6ba71de5
JD
2199 w83627ehf_set_temp_reg_ehf(data, 4);
2200
ec3e5a16
GR
2201 /*
2202 * Temperature sources are selected with bank 0, registers 0x49
2203 * and 0x4a.
2204 */
d36cf32c
GR
2205 reg = w83627ehf_read_value(data, 0x4a);
2206 data->temp_src[0] = reg >> 5;
2207 reg = w83627ehf_read_value(data, 0x49);
2208 data->temp_src[1] = reg & 0x07;
ec3e5a16 2209 data->temp_src[2] = (reg >> 4) & 0x07;
d36cf32c
GR
2210
2211 /*
2212 * W83667HG-B has another temperature register at 0x7e.
2213 * The temperature source is selected with register 0x7d.
2214 * Support it if the source differs from already reported
2215 * sources.
2216 */
2217 reg = w83627ehf_read_value(data, 0x7d);
2218 reg &= 0x07;
2219 if (reg != data->temp_src[0] && reg != data->temp_src[1]
2220 && reg != data->temp_src[2]) {
2221 data->temp_src[3] = reg;
2222 data->have_temp |= 1 << 3;
2223 }
2224
2225 /*
2226 * Chip supports either AUXTIN or VIN3. Try to find out which
2227 * one.
2228 */
2229 reg = w83627ehf_read_value(data, W83627EHF_REG_TEMP_CONFIG[2]);
2230 if (data->temp_src[2] == 2 && (reg & 0x01))
2231 data->have_temp &= ~(1 << 2);
2232
2233 if ((data->temp_src[2] == 2 && (data->have_temp & (1 << 2)))
2234 || (data->temp_src[3] == 2 && (data->have_temp & (1 << 3))))
2235 data->in6_skip = 1;
2236
eff7687d 2237 data->temp_label = w83667hg_b_temp_label;
840e191d
GR
2238 data->have_temp_offset = data->have_temp & 0x07;
2239 for (i = 0; i < 3; i++) {
2240 if (data->temp_src[i] > 2)
2241 data->have_temp_offset &= ~(1 << i);
2242 }
eff7687d
JD
2243 } else if (sio_data->kind == w83627uhg) {
2244 u8 reg;
2245
2246 w83627ehf_set_temp_reg_ehf(data, 3);
2247
2248 /*
aacb6b00 2249 * Temperature sources for temp2 and temp3 are selected with
eff7687d
JD
2250 * bank 0, registers 0x49 and 0x4a.
2251 */
2252 data->temp_src[0] = 0; /* SYSTIN */
2253 reg = w83627ehf_read_value(data, 0x49) & 0x07;
2254 /* Adjust to have the same mapping as other source registers */
2255 if (reg == 0)
aacb6b00 2256 data->temp_src[1] = 1;
eff7687d 2257 else if (reg >= 2 && reg <= 5)
aacb6b00 2258 data->temp_src[1] = reg + 2;
eff7687d
JD
2259 else /* should never happen */
2260 data->have_temp &= ~(1 << 1);
2261 reg = w83627ehf_read_value(data, 0x4a);
2262 data->temp_src[2] = reg >> 5;
2263
2264 /*
2265 * Skip temp3 if source is invalid or the same as temp1
2266 * or temp2.
2267 */
2268 if (data->temp_src[2] == 2 || data->temp_src[2] == 3 ||
2269 data->temp_src[2] == data->temp_src[0] ||
2270 ((data->have_temp & (1 << 1)) &&
2271 data->temp_src[2] == data->temp_src[1]))
2272 data->have_temp &= ~(1 << 2);
2273 else
2274 data->temp3_val_only = 1; /* No limit regs */
2275
2276 data->in6_skip = 1; /* No VIN3 */
2277
d36cf32c 2278 data->temp_label = w83667hg_b_temp_label;
840e191d
GR
2279 data->have_temp_offset = data->have_temp & 0x03;
2280 for (i = 0; i < 3; i++) {
2281 if (data->temp_src[i] > 1)
2282 data->have_temp_offset &= ~(1 << i);
2283 }
ec3e5a16 2284 } else {
6ba71de5
JD
2285 w83627ehf_set_temp_reg_ehf(data, 3);
2286
ec3e5a16 2287 /* Temperature sources are fixed */
6ba71de5
JD
2288
2289 if (sio_data->kind == w83667hg) {
2290 u8 reg;
2291
2292 /*
2293 * Chip supports either AUXTIN or VIN3. Try to find
2294 * out which one.
2295 */
2296 reg = w83627ehf_read_value(data,
2297 W83627EHF_REG_TEMP_CONFIG[2]);
2298 if (reg & 0x01)
2299 data->have_temp &= ~(1 << 2);
2300 else
2301 data->in6_skip = 1;
ec3e5a16 2302 }
840e191d 2303 data->have_temp_offset = data->have_temp & 0x07;
a157d06d
GJ
2304 }
2305
ec3e5a16 2306 if (sio_data->kind == nct6775) {
26bc440e
GR
2307 data->has_fan_div = true;
2308 data->fan_from_reg = fan_from_reg16;
2309 data->fan_from_reg_min = fan_from_reg8;
ec3e5a16
GR
2310 data->REG_PWM = NCT6775_REG_PWM;
2311 data->REG_TARGET = NCT6775_REG_TARGET;
26bc440e 2312 data->REG_FAN = NCT6775_REG_FAN;
ec3e5a16
GR
2313 data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
2314 data->REG_FAN_START_OUTPUT = NCT6775_REG_FAN_START_OUTPUT;
2315 data->REG_FAN_STOP_OUTPUT = NCT6775_REG_FAN_STOP_OUTPUT;
2316 data->REG_FAN_STOP_TIME = NCT6775_REG_FAN_STOP_TIME;
2317 data->REG_FAN_MAX_OUTPUT = NCT6775_REG_FAN_MAX_OUTPUT;
2318 data->REG_FAN_STEP_OUTPUT = NCT6775_REG_FAN_STEP_OUTPUT;
2319 } else if (sio_data->kind == nct6776) {
26bc440e
GR
2320 data->has_fan_div = false;
2321 data->fan_from_reg = fan_from_reg13;
2322 data->fan_from_reg_min = fan_from_reg13;
ec3e5a16
GR
2323 data->REG_PWM = NCT6775_REG_PWM;
2324 data->REG_TARGET = NCT6775_REG_TARGET;
26bc440e 2325 data->REG_FAN = NCT6775_REG_FAN;
ec3e5a16
GR
2326 data->REG_FAN_MIN = NCT6776_REG_FAN_MIN;
2327 data->REG_FAN_START_OUTPUT = NCT6775_REG_FAN_START_OUTPUT;
2328 data->REG_FAN_STOP_OUTPUT = NCT6775_REG_FAN_STOP_OUTPUT;
2329 data->REG_FAN_STOP_TIME = NCT6775_REG_FAN_STOP_TIME;
2330 } else if (sio_data->kind == w83667hg_b) {
26bc440e
GR
2331 data->has_fan_div = true;
2332 data->fan_from_reg = fan_from_reg8;
2333 data->fan_from_reg_min = fan_from_reg8;
ec3e5a16
GR
2334 data->REG_PWM = W83627EHF_REG_PWM;
2335 data->REG_TARGET = W83627EHF_REG_TARGET;
2336 data->REG_FAN = W83627EHF_REG_FAN;
2337 data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
2338 data->REG_FAN_START_OUTPUT = W83627EHF_REG_FAN_START_OUTPUT;
2339 data->REG_FAN_STOP_OUTPUT = W83627EHF_REG_FAN_STOP_OUTPUT;
2340 data->REG_FAN_STOP_TIME = W83627EHF_REG_FAN_STOP_TIME;
c39aedaf
GR
2341 data->REG_FAN_MAX_OUTPUT =
2342 W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B;
2343 data->REG_FAN_STEP_OUTPUT =
2344 W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B;
2345 } else {
26bc440e
GR
2346 data->has_fan_div = true;
2347 data->fan_from_reg = fan_from_reg8;
2348 data->fan_from_reg_min = fan_from_reg8;
ec3e5a16
GR
2349 data->REG_PWM = W83627EHF_REG_PWM;
2350 data->REG_TARGET = W83627EHF_REG_TARGET;
2351 data->REG_FAN = W83627EHF_REG_FAN;
2352 data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
2353 data->REG_FAN_START_OUTPUT = W83627EHF_REG_FAN_START_OUTPUT;
2354 data->REG_FAN_STOP_OUTPUT = W83627EHF_REG_FAN_STOP_OUTPUT;
2355 data->REG_FAN_STOP_TIME = W83627EHF_REG_FAN_STOP_TIME;
c39aedaf
GR
2356 data->REG_FAN_MAX_OUTPUT =
2357 W83627EHF_REG_FAN_MAX_OUTPUT_COMMON;
2358 data->REG_FAN_STEP_OUTPUT =
2359 W83627EHF_REG_FAN_STEP_OUTPUT_COMMON;
2360 }
da2e0255 2361
eff7687d
JD
2362 /* Setup input voltage scaling factors */
2363 if (sio_data->kind == w83627uhg)
2364 data->scale_in = scale_in_w83627uhg;
2365 else
2366 data->scale_in = scale_in_common;
2367
08e7e278 2368 /* Initialize the chip */
bf164c58 2369 w83627ehf_init_device(data, sio_data->kind);
08e7e278 2370
fc18d6c0
JD
2371 data->vrm = vid_which_vrm();
2372 superio_enter(sio_data->sioreg);
fc18d6c0 2373 /* Read VID value */
ec3e5a16
GR
2374 if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b ||
2375 sio_data->kind == nct6775 || sio_data->kind == nct6776) {
8969e84d
GR
2376 /*
2377 * W83667HG has different pins for VID input and output, so
2378 * we can get the VID input values directly at logical device D
2379 * 0xe3.
2380 */
237c8d2f
GJ
2381 superio_select(sio_data->sioreg, W83667HG_LD_VID);
2382 data->vid = superio_inb(sio_data->sioreg, 0xe3);
cbe311f2
JD
2383 err = device_create_file(dev, &dev_attr_cpu0_vid);
2384 if (err)
2385 goto exit_release;
eff7687d 2386 } else if (sio_data->kind != w83627uhg) {
237c8d2f
GJ
2387 superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
2388 if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) {
8969e84d
GR
2389 /*
2390 * Set VID input sensibility if needed. In theory the
2391 * BIOS should have set it, but in practice it's not
2392 * always the case. We only do it for the W83627EHF/EHG
2393 * because the W83627DHG is more complex in this
2394 * respect.
2395 */
237c8d2f
GJ
2396 if (sio_data->kind == w83627ehf) {
2397 en_vrm10 = superio_inb(sio_data->sioreg,
2398 SIO_REG_EN_VRM10);
2399 if ((en_vrm10 & 0x08) && data->vrm == 90) {
2400 dev_warn(dev, "Setting VID input "
2401 "voltage to TTL\n");
2402 superio_outb(sio_data->sioreg,
2403 SIO_REG_EN_VRM10,
2404 en_vrm10 & ~0x08);
2405 } else if (!(en_vrm10 & 0x08)
2406 && data->vrm == 100) {
2407 dev_warn(dev, "Setting VID input "
2408 "voltage to VRM10\n");
2409 superio_outb(sio_data->sioreg,
2410 SIO_REG_EN_VRM10,
2411 en_vrm10 | 0x08);
2412 }
2413 }
2414
2415 data->vid = superio_inb(sio_data->sioreg,
2416 SIO_REG_VID_DATA);
2417 if (sio_data->kind == w83627ehf) /* 6 VID pins only */
2418 data->vid &= 0x3f;
2419
2420 err = device_create_file(dev, &dev_attr_cpu0_vid);
2421 if (err)
2422 goto exit_release;
2423 } else {
2424 dev_info(dev, "VID pins in output mode, CPU VID not "
2425 "available\n");
2426 }
fc18d6c0
JD
2427 }
2428
d42e869a
ID
2429 if (fan_debounce &&
2430 (sio_data->kind == nct6775 || sio_data->kind == nct6776)) {
2431 u8 tmp;
2432
2433 superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
2434 tmp = superio_inb(sio_data->sioreg, NCT6775_REG_FAN_DEBOUNCE);
2435 if (sio_data->kind == nct6776)
2436 superio_outb(sio_data->sioreg, NCT6775_REG_FAN_DEBOUNCE,
2437 0x3e | tmp);
2438 else
2439 superio_outb(sio_data->sioreg, NCT6775_REG_FAN_DEBOUNCE,
2440 0x1e | tmp);
2441 pr_info("Enabled fan debounce for chip %s\n", data->name);
2442 }
2443
1ea6dd38 2444 superio_exit(sio_data->sioreg);
08c79950 2445
03f5de2b 2446 w83627ehf_check_fan_inputs(sio_data, data);
08e7e278 2447
ea7be66c 2448 /* Read fan clock dividers immediately */
ec3e5a16
GR
2449 w83627ehf_update_fan_div_common(dev, data);
2450
b84bb518
GR
2451 /* Read pwm data to save original values */
2452 w83627ehf_update_pwm_common(dev, data);
2453 for (i = 0; i < data->pwm_num; i++)
2454 data->pwm_enable_orig[i] = data->pwm_enable[i];
2455
08e7e278 2456 /* Register sysfs hooks */
e7e1ca6e
GR
2457 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) {
2458 err = device_create_file(dev, &sda_sf3_arrays[i].dev_attr);
2459 if (err)
c18beb5b 2460 goto exit_remove;
e7e1ca6e 2461 }
08c79950 2462
da2e0255
GR
2463 for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) {
2464 struct sensor_device_attribute *attr =
2465 &sda_sf3_max_step_arrays[i];
ec3e5a16
GR
2466 if (data->REG_FAN_STEP_OUTPUT &&
2467 data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff) {
da2e0255
GR
2468 err = device_create_file(dev, &attr->dev_attr);
2469 if (err)
2470 goto exit_remove;
2471 }
2472 }
eff7687d
JD
2473 /* if fan3 and fan4 are enabled create the sf3 files for them */
2474 if ((data->has_fan & (1 << 2)) && data->pwm_num >= 3)
2475 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan3); i++) {
2476 err = device_create_file(dev,
2477 &sda_sf3_arrays_fan3[i].dev_attr);
2478 if (err)
2479 goto exit_remove;
2480 }
237c8d2f 2481 if ((data->has_fan & (1 << 3)) && data->pwm_num >= 4)
c18beb5b 2482 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) {
e7e1ca6e
GR
2483 err = device_create_file(dev,
2484 &sda_sf3_arrays_fan4[i].dev_attr);
2485 if (err)
c18beb5b
DH
2486 goto exit_remove;
2487 }
08c79950 2488
a157d06d
GJ
2489 for (i = 0; i < data->in_num; i++) {
2490 if ((i == 6) && data->in6_skip)
2491 continue;
c18beb5b
DH
2492 if ((err = device_create_file(dev, &sda_in_input[i].dev_attr))
2493 || (err = device_create_file(dev,
2494 &sda_in_alarm[i].dev_attr))
2495 || (err = device_create_file(dev,
2496 &sda_in_min[i].dev_attr))
2497 || (err = device_create_file(dev,
2498 &sda_in_max[i].dev_attr)))
2499 goto exit_remove;
a157d06d 2500 }
cf0676fe 2501
412fec82 2502 for (i = 0; i < 5; i++) {
08c79950 2503 if (data->has_fan & (1 << i)) {
c18beb5b
DH
2504 if ((err = device_create_file(dev,
2505 &sda_fan_input[i].dev_attr))
2506 || (err = device_create_file(dev,
ec3e5a16 2507 &sda_fan_alarm[i].dev_attr)))
c18beb5b 2508 goto exit_remove;
ec3e5a16
GR
2509 if (sio_data->kind != nct6776) {
2510 err = device_create_file(dev,
2511 &sda_fan_div[i].dev_attr);
2512 if (err)
2513 goto exit_remove;
2514 }
2515 if (data->has_fan_min & (1 << i)) {
2516 err = device_create_file(dev,
2517 &sda_fan_min[i].dev_attr);
2518 if (err)
2519 goto exit_remove;
2520 }
237c8d2f 2521 if (i < data->pwm_num &&
c18beb5b
DH
2522 ((err = device_create_file(dev,
2523 &sda_pwm[i].dev_attr))
2524 || (err = device_create_file(dev,
2525 &sda_pwm_mode[i].dev_attr))
2526 || (err = device_create_file(dev,
2527 &sda_pwm_enable[i].dev_attr))
2528 || (err = device_create_file(dev,
2529 &sda_target_temp[i].dev_attr))
2530 || (err = device_create_file(dev,
2531 &sda_tolerance[i].dev_attr))))
2532 goto exit_remove;
08c79950 2533 }
08e7e278 2534 }
08c79950 2535
d36cf32c
GR
2536 for (i = 0; i < NUM_REG_TEMP; i++) {
2537 if (!(data->have_temp & (1 << i)))
a157d06d 2538 continue;
d36cf32c
GR
2539 err = device_create_file(dev, &sda_temp_input[i].dev_attr);
2540 if (err)
2541 goto exit_remove;
2542 if (data->temp_label) {
2543 err = device_create_file(dev,
2544 &sda_temp_label[i].dev_attr);
2545 if (err)
2546 goto exit_remove;
2547 }
eff7687d
JD
2548 if (i == 2 && data->temp3_val_only)
2549 continue;
ec3e5a16
GR
2550 if (data->reg_temp_over[i]) {
2551 err = device_create_file(dev,
2552 &sda_temp_max[i].dev_attr);
2553 if (err)
2554 goto exit_remove;
2555 }
2556 if (data->reg_temp_hyst[i]) {
2557 err = device_create_file(dev,
2558 &sda_temp_max_hyst[i].dev_attr);
2559 if (err)
2560 goto exit_remove;
2561 }
d36cf32c 2562 if (i > 2)
ec3e5a16
GR
2563 continue;
2564 if ((err = device_create_file(dev,
a157d06d
GJ
2565 &sda_temp_alarm[i].dev_attr))
2566 || (err = device_create_file(dev,
2567 &sda_temp_type[i].dev_attr)))
c18beb5b 2568 goto exit_remove;
840e191d
GR
2569 if (data->have_temp_offset & (1 << i)) {
2570 err = device_create_file(dev,
2571 &sda_temp_offset[i].dev_attr);
2572 if (err)
2573 goto exit_remove;
2574 }
a157d06d 2575 }
c18beb5b 2576
363a12a4
DA
2577 err = device_create_file(dev, &sda_caseopen[0].dev_attr);
2578 if (err)
2579 goto exit_remove;
2580
2581 if (sio_data->kind == nct6776) {
2582 err = device_create_file(dev, &sda_caseopen[1].dev_attr);
2583 if (err)
2584 goto exit_remove;
2585 }
2586
1ea6dd38
DH
2587 err = device_create_file(dev, &dev_attr_name);
2588 if (err)
2589 goto exit_remove;
2590
1beeffe4
TJ
2591 data->hwmon_dev = hwmon_device_register(dev);
2592 if (IS_ERR(data->hwmon_dev)) {
2593 err = PTR_ERR(data->hwmon_dev);
c18beb5b
DH
2594 goto exit_remove;
2595 }
08e7e278
JD
2596
2597 return 0;
2598
c18beb5b
DH
2599exit_remove:
2600 w83627ehf_device_remove_files(dev);
08e7e278 2601exit_release:
32260d94 2602 platform_set_drvdata(pdev, NULL);
1ea6dd38 2603 release_region(res->start, IOREGION_LENGTH);
08e7e278
JD
2604exit:
2605 return err;
2606}
2607
281dfd0b 2608static int w83627ehf_remove(struct platform_device *pdev)
08e7e278 2609{
1ea6dd38 2610 struct w83627ehf_data *data = platform_get_drvdata(pdev);
08e7e278 2611
1beeffe4 2612 hwmon_device_unregister(data->hwmon_dev);
1ea6dd38
DH
2613 w83627ehf_device_remove_files(&pdev->dev);
2614 release_region(data->addr, IOREGION_LENGTH);
2615 platform_set_drvdata(pdev, NULL);
08e7e278
JD
2616
2617 return 0;
2618}
2619
7e630bb5
JD
2620#ifdef CONFIG_PM
2621static int w83627ehf_suspend(struct device *dev)
2622{
2623 struct w83627ehf_data *data = w83627ehf_update_device(dev);
2624 struct w83627ehf_sio_data *sio_data = dev->platform_data;
2625
2626 mutex_lock(&data->update_lock);
2627 data->vbat = w83627ehf_read_value(data, W83627EHF_REG_VBAT);
2628 if (sio_data->kind == nct6775) {
2629 data->fandiv1 = w83627ehf_read_value(data, NCT6775_REG_FANDIV1);
2630 data->fandiv2 = w83627ehf_read_value(data, NCT6775_REG_FANDIV2);
2631 }
2632 mutex_unlock(&data->update_lock);
2633
2634 return 0;
2635}
2636
2637static int w83627ehf_resume(struct device *dev)
2638{
2639 struct w83627ehf_data *data = dev_get_drvdata(dev);
2640 struct w83627ehf_sio_data *sio_data = dev->platform_data;
2641 int i;
2642
2643 mutex_lock(&data->update_lock);
2644 data->bank = 0xff; /* Force initial bank selection */
2645
2646 /* Restore limits */
2647 for (i = 0; i < data->in_num; i++) {
2648 if ((i == 6) && data->in6_skip)
2649 continue;
2650
2651 w83627ehf_write_value(data, W83627EHF_REG_IN_MIN(i),
2652 data->in_min[i]);
2653 w83627ehf_write_value(data, W83627EHF_REG_IN_MAX(i),
2654 data->in_max[i]);
2655 }
2656
2657 for (i = 0; i < 5; i++) {
2658 if (!(data->has_fan_min & (1 << i)))
2659 continue;
2660
2661 w83627ehf_write_value(data, data->REG_FAN_MIN[i],
2662 data->fan_min[i]);
2663 }
2664
2665 for (i = 0; i < NUM_REG_TEMP; i++) {
2666 if (!(data->have_temp & (1 << i)))
2667 continue;
2668
2669 if (data->reg_temp_over[i])
2670 w83627ehf_write_temp(data, data->reg_temp_over[i],
2671 data->temp_max[i]);
2672 if (data->reg_temp_hyst[i])
2673 w83627ehf_write_temp(data, data->reg_temp_hyst[i],
2674 data->temp_max_hyst[i]);
45633fb3
JD
2675 if (i > 2)
2676 continue;
7e630bb5
JD
2677 if (data->have_temp_offset & (1 << i))
2678 w83627ehf_write_value(data,
2679 W83627EHF_REG_TEMP_OFFSET[i],
2680 data->temp_offset[i]);
2681 }
2682
2683 /* Restore other settings */
2684 w83627ehf_write_value(data, W83627EHF_REG_VBAT, data->vbat);
2685 if (sio_data->kind == nct6775) {
2686 w83627ehf_write_value(data, NCT6775_REG_FANDIV1, data->fandiv1);
2687 w83627ehf_write_value(data, NCT6775_REG_FANDIV2, data->fandiv2);
2688 }
2689
2690 /* Force re-reading all values */
2691 data->valid = 0;
2692 mutex_unlock(&data->update_lock);
2693
2694 return 0;
2695}
2696
2697static const struct dev_pm_ops w83627ehf_dev_pm_ops = {
2698 .suspend = w83627ehf_suspend,
2699 .resume = w83627ehf_resume,
2700};
2701
2702#define W83627EHF_DEV_PM_OPS (&w83627ehf_dev_pm_ops)
2703#else
2704#define W83627EHF_DEV_PM_OPS NULL
2705#endif /* CONFIG_PM */
2706
1ea6dd38 2707static struct platform_driver w83627ehf_driver = {
cdaf7934 2708 .driver = {
87218842 2709 .owner = THIS_MODULE,
1ea6dd38 2710 .name = DRVNAME,
7e630bb5 2711 .pm = W83627EHF_DEV_PM_OPS,
cdaf7934 2712 },
1ea6dd38 2713 .probe = w83627ehf_probe,
9e5e9b7a 2714 .remove = w83627ehf_remove,
08e7e278
JD
2715};
2716
1ea6dd38
DH
2717/* w83627ehf_find() looks for a '627 in the Super-I/O config space */
2718static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
2719 struct w83627ehf_sio_data *sio_data)
08e7e278 2720{
6f7805a8
UKK
2721 static const char sio_name_W83627EHF[] __initconst = "W83627EHF";
2722 static const char sio_name_W83627EHG[] __initconst = "W83627EHG";
2723 static const char sio_name_W83627DHG[] __initconst = "W83627DHG";
2724 static const char sio_name_W83627DHG_P[] __initconst = "W83627DHG-P";
2725 static const char sio_name_W83627UHG[] __initconst = "W83627UHG";
2726 static const char sio_name_W83667HG[] __initconst = "W83667HG";
2727 static const char sio_name_W83667HG_B[] __initconst = "W83667HG-B";
2728 static const char sio_name_NCT6775[] __initconst = "NCT6775F";
2729 static const char sio_name_NCT6776[] __initconst = "NCT6776F";
1ea6dd38 2730
08e7e278 2731 u16 val;
1ea6dd38 2732 const char *sio_name;
08e7e278 2733
1ea6dd38 2734 superio_enter(sioaddr);
08e7e278 2735
67b671bc
JD
2736 if (force_id)
2737 val = force_id;
2738 else
2739 val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8)
2740 | superio_inb(sioaddr, SIO_REG_DEVID + 1);
657c93b1 2741 switch (val & SIO_ID_MASK) {
657c93b1 2742 case SIO_W83627EHF_ID:
1ea6dd38
DH
2743 sio_data->kind = w83627ehf;
2744 sio_name = sio_name_W83627EHF;
2745 break;
657c93b1 2746 case SIO_W83627EHG_ID:
1ea6dd38
DH
2747 sio_data->kind = w83627ehf;
2748 sio_name = sio_name_W83627EHG;
2749 break;
2750 case SIO_W83627DHG_ID:
2751 sio_data->kind = w83627dhg;
2752 sio_name = sio_name_W83627DHG;
657c93b1 2753 break;
c1e48dce
JD
2754 case SIO_W83627DHG_P_ID:
2755 sio_data->kind = w83627dhg_p;
2756 sio_name = sio_name_W83627DHG_P;
2757 break;
eff7687d
JD
2758 case SIO_W83627UHG_ID:
2759 sio_data->kind = w83627uhg;
2760 sio_name = sio_name_W83627UHG;
2761 break;
237c8d2f
GJ
2762 case SIO_W83667HG_ID:
2763 sio_data->kind = w83667hg;
2764 sio_name = sio_name_W83667HG;
2765 break;
c39aedaf
GR
2766 case SIO_W83667HG_B_ID:
2767 sio_data->kind = w83667hg_b;
2768 sio_name = sio_name_W83667HG_B;
2769 break;
ec3e5a16
GR
2770 case SIO_NCT6775_ID:
2771 sio_data->kind = nct6775;
2772 sio_name = sio_name_NCT6775;
2773 break;
2774 case SIO_NCT6776_ID:
2775 sio_data->kind = nct6776;
2776 sio_name = sio_name_NCT6776;
2777 break;
657c93b1 2778 default:
9f66036b 2779 if (val != 0xffff)
abdc6fd1 2780 pr_debug("unsupported chip ID: 0x%04x\n", val);
1ea6dd38 2781 superio_exit(sioaddr);
08e7e278
JD
2782 return -ENODEV;
2783 }
2784
1ea6dd38
DH
2785 /* We have a known chip, find the HWM I/O address */
2786 superio_select(sioaddr, W83627EHF_LD_HWM);
2787 val = (superio_inb(sioaddr, SIO_REG_ADDR) << 8)
2788 | superio_inb(sioaddr, SIO_REG_ADDR + 1);
1a641fce 2789 *addr = val & IOREGION_ALIGNMENT;
2d8672c5 2790 if (*addr == 0) {
abdc6fd1 2791 pr_err("Refusing to enable a Super-I/O device with a base I/O port 0\n");
1ea6dd38 2792 superio_exit(sioaddr);
08e7e278
JD
2793 return -ENODEV;
2794 }
2795
2796 /* Activate logical device if needed */
1ea6dd38 2797 val = superio_inb(sioaddr, SIO_REG_ENABLE);
475ef855 2798 if (!(val & 0x01)) {
e7e1ca6e
GR
2799 pr_warn("Forcibly enabling Super-I/O. "
2800 "Sensor is probably unusable.\n");
1ea6dd38 2801 superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01);
475ef855 2802 }
1ea6dd38
DH
2803
2804 superio_exit(sioaddr);
abdc6fd1 2805 pr_info("Found %s chip at %#x\n", sio_name, *addr);
1ea6dd38 2806 sio_data->sioreg = sioaddr;
08e7e278 2807
08e7e278
JD
2808 return 0;
2809}
2810
8969e84d
GR
2811/*
2812 * when Super-I/O functions move to a separate file, the Super-I/O
1ea6dd38
DH
2813 * bus will manage the lifetime of the device and this module will only keep
2814 * track of the w83627ehf driver. But since we platform_device_alloc(), we
8969e84d
GR
2815 * must keep track of the device
2816 */
1ea6dd38
DH
2817static struct platform_device *pdev;
2818
08e7e278
JD
2819static int __init sensors_w83627ehf_init(void)
2820{
1ea6dd38
DH
2821 int err;
2822 unsigned short address;
2823 struct resource res;
2824 struct w83627ehf_sio_data sio_data;
2825
8969e84d
GR
2826 /*
2827 * initialize sio_data->kind and sio_data->sioreg.
1ea6dd38
DH
2828 *
2829 * when Super-I/O functions move to a separate file, the Super-I/O
2830 * driver will probe 0x2e and 0x4e and auto-detect the presence of a
8969e84d
GR
2831 * w83627ehf hardware monitor, and call probe()
2832 */
1ea6dd38
DH
2833 if (w83627ehf_find(0x2e, &address, &sio_data) &&
2834 w83627ehf_find(0x4e, &address, &sio_data))
08e7e278
JD
2835 return -ENODEV;
2836
1ea6dd38
DH
2837 err = platform_driver_register(&w83627ehf_driver);
2838 if (err)
2839 goto exit;
2840
e7e1ca6e
GR
2841 pdev = platform_device_alloc(DRVNAME, address);
2842 if (!pdev) {
1ea6dd38 2843 err = -ENOMEM;
abdc6fd1 2844 pr_err("Device allocation failed\n");
1ea6dd38
DH
2845 goto exit_unregister;
2846 }
2847
2848 err = platform_device_add_data(pdev, &sio_data,
2849 sizeof(struct w83627ehf_sio_data));
2850 if (err) {
abdc6fd1 2851 pr_err("Platform data allocation failed\n");
1ea6dd38
DH
2852 goto exit_device_put;
2853 }
2854
2855 memset(&res, 0, sizeof(res));
2856 res.name = DRVNAME;
2857 res.start = address + IOREGION_OFFSET;
2858 res.end = address + IOREGION_OFFSET + IOREGION_LENGTH - 1;
2859 res.flags = IORESOURCE_IO;
b9acb64a
JD
2860
2861 err = acpi_check_resource_conflict(&res);
2862 if (err)
18632f84 2863 goto exit_device_put;
b9acb64a 2864
1ea6dd38
DH
2865 err = platform_device_add_resources(pdev, &res, 1);
2866 if (err) {
abdc6fd1 2867 pr_err("Device resource addition failed (%d)\n", err);
1ea6dd38
DH
2868 goto exit_device_put;
2869 }
2870
2871 /* platform_device_add calls probe() */
2872 err = platform_device_add(pdev);
2873 if (err) {
abdc6fd1 2874 pr_err("Device addition failed (%d)\n", err);
1ea6dd38
DH
2875 goto exit_device_put;
2876 }
2877
2878 return 0;
2879
2880exit_device_put:
2881 platform_device_put(pdev);
2882exit_unregister:
2883 platform_driver_unregister(&w83627ehf_driver);
2884exit:
2885 return err;
08e7e278
JD
2886}
2887
2888static void __exit sensors_w83627ehf_exit(void)
2889{
1ea6dd38
DH
2890 platform_device_unregister(pdev);
2891 platform_driver_unregister(&w83627ehf_driver);
08e7e278
JD
2892}
2893
2894MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
2895MODULE_DESCRIPTION("W83627EHF driver");
2896MODULE_LICENSE("GPL");
2897
2898module_init(sensors_w83627ehf_init);
2899module_exit(sensors_w83627ehf_exit);