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Jean Delvare08e7e272005-04-25 22:43:25 +02001/*
Guenter Roeck8969e842012-01-19 11:02:27 -08002 * w83627ehf - Driver for the hardware monitoring functionality of
3 * the Winbond W83627EHF Super-I/O chip
Jean Delvare7c81c602014-01-29 20:40:08 +01004 * Copyright (C) 2005-2012 Jean Delvare <jdelvare@suse.de>
Guenter Roeck8969e842012-01-19 11:02:27 -08005 * 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 */
Jean Delvare08e7e272005-04-25 22:43:25 +020047
Joe Perchesabdc6fd2010-10-20 06:51:54 +000048#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
49
Jean Delvare08e7e272005-04-25 22:43:25 +020050#include <linux/module.h>
51#include <linux/init.h>
52#include <linux/slab.h>
David Hubbard1ea6dd32007-06-24 11:16:15 +020053#include <linux/jiffies.h>
54#include <linux/platform_device.h>
Mark M. Hoffman943b0832005-07-15 21:39:18 -040055#include <linux/hwmon.h>
Yuan Mu412fec82006-02-05 23:24:16 +010056#include <linux/hwmon-sysfs.h>
Jean Delvarefc18d6c2007-06-24 11:19:42 +020057#include <linux/hwmon-vid.h>
Mark M. Hoffman943b0832005-07-15 21:39:18 -040058#include <linux/err.h>
Ingo Molnar9a61bf62006-01-18 23:19:26 +010059#include <linux/mutex.h>
Jean Delvareb9acb642009-01-07 16:37:35 +010060#include <linux/acpi.h>
H Hartley Sweeten6055fae2009-09-15 17:18:13 +020061#include <linux/io.h>
Jean Delvare08e7e272005-04-25 22:43:25 +020062#include "lm75.h"
63
Jean Delvareeff76872011-11-04 12:00:48 +010064enum kinds {
65 w83627ehf, w83627dhg, w83627dhg_p, w83627uhg,
66 w83667hg, w83667hg_b, nct6775, nct6776,
67};
David Hubbard1ea6dd32007-06-24 11:16:15 +020068
69/* used to set data->name = w83627ehf_device_names[data->sio_kind] */
Guenter Roecke7e1ca62011-02-04 13:24:30 -080070static const char * const w83627ehf_device_names[] = {
David Hubbard1ea6dd32007-06-24 11:16:15 +020071 "w83627ehf",
72 "w83627dhg",
Jean Delvarec1e48dc2009-06-15 18:39:50 +020073 "w83627dhg",
Jean Delvareeff76872011-11-04 12:00:48 +010074 "w83627uhg",
Gong Jun237c8d2f2009-03-30 21:46:42 +020075 "w83667hg",
Guenter Roeckc39aeda2010-08-14 21:08:55 +020076 "w83667hg",
Guenter Roeckec3e5a12011-02-02 08:46:49 -080077 "nct6775",
78 "nct6776",
David Hubbard1ea6dd32007-06-24 11:16:15 +020079};
80
Jean Delvare67b671b2007-12-06 23:13:42 +010081static unsigned short force_id;
82module_param(force_id, ushort, 0);
83MODULE_PARM_DESC(force_id, "Override the detected device ID");
84
Ian Dobsond42e8692011-03-07 14:21:12 -080085static unsigned short fan_debounce;
86module_param(fan_debounce, ushort, 0);
87MODULE_PARM_DESC(fan_debounce, "Enable debouncing for fan RPM signal");
88
David Hubbard1ea6dd32007-06-24 11:16:15 +020089#define DRVNAME "w83627ehf"
Jean Delvare08e7e272005-04-25 22:43:25 +020090
91/*
92 * Super-I/O constants and functions
93 */
94
Jean Delvare08e7e272005-04-25 22:43:25 +020095#define W83627EHF_LD_HWM 0x0b
Guenter Roecke7e1ca62011-02-04 13:24:30 -080096#define W83667HG_LD_VID 0x0d
Jean Delvare08e7e272005-04-25 22:43:25 +020097
98#define SIO_REG_LDSEL 0x07 /* Logical device select */
99#define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */
Jean Delvarefc18d6c2007-06-24 11:19:42 +0200100#define SIO_REG_EN_VRM10 0x2C /* GPIO3, GPIO4 selection */
Jean Delvare08e7e272005-04-25 22:43:25 +0200101#define SIO_REG_ENABLE 0x30 /* Logical device enable */
102#define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */
Jean Delvarefc18d6c2007-06-24 11:19:42 +0200103#define SIO_REG_VID_CTRL 0xF0 /* VID control */
104#define SIO_REG_VID_DATA 0xF1 /* VID data */
Jean Delvare08e7e272005-04-25 22:43:25 +0200105
David Hubbard657c93b2007-02-14 21:15:04 +0100106#define SIO_W83627EHF_ID 0x8850
107#define SIO_W83627EHG_ID 0x8860
108#define SIO_W83627DHG_ID 0xa020
Jean Delvarec1e48dc2009-06-15 18:39:50 +0200109#define SIO_W83627DHG_P_ID 0xb070
Jean Delvareeff76872011-11-04 12:00:48 +0100110#define SIO_W83627UHG_ID 0xa230
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800111#define SIO_W83667HG_ID 0xa510
Guenter Roeckc39aeda2010-08-14 21:08:55 +0200112#define SIO_W83667HG_B_ID 0xb350
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800113#define SIO_NCT6775_ID 0xb470
114#define SIO_NCT6776_ID 0xc330
David Hubbard657c93b2007-02-14 21:15:04 +0100115#define SIO_ID_MASK 0xFFF0
Jean Delvare08e7e272005-04-25 22:43:25 +0200116
117static inline void
David Hubbard1ea6dd32007-06-24 11:16:15 +0200118superio_outb(int ioreg, int reg, int val)
Jean Delvare08e7e272005-04-25 22:43:25 +0200119{
David Hubbard1ea6dd32007-06-24 11:16:15 +0200120 outb(reg, ioreg);
121 outb(val, ioreg + 1);
Jean Delvare08e7e272005-04-25 22:43:25 +0200122}
123
124static inline int
David Hubbard1ea6dd32007-06-24 11:16:15 +0200125superio_inb(int ioreg, int reg)
Jean Delvare08e7e272005-04-25 22:43:25 +0200126{
David Hubbard1ea6dd32007-06-24 11:16:15 +0200127 outb(reg, ioreg);
128 return inb(ioreg + 1);
Jean Delvare08e7e272005-04-25 22:43:25 +0200129}
130
131static inline void
David Hubbard1ea6dd32007-06-24 11:16:15 +0200132superio_select(int ioreg, int ld)
Jean Delvare08e7e272005-04-25 22:43:25 +0200133{
David Hubbard1ea6dd32007-06-24 11:16:15 +0200134 outb(SIO_REG_LDSEL, ioreg);
135 outb(ld, ioreg + 1);
Jean Delvare08e7e272005-04-25 22:43:25 +0200136}
137
138static inline void
David Hubbard1ea6dd32007-06-24 11:16:15 +0200139superio_enter(int ioreg)
Jean Delvare08e7e272005-04-25 22:43:25 +0200140{
David Hubbard1ea6dd32007-06-24 11:16:15 +0200141 outb(0x87, ioreg);
142 outb(0x87, ioreg);
Jean Delvare08e7e272005-04-25 22:43:25 +0200143}
144
145static inline void
David Hubbard1ea6dd32007-06-24 11:16:15 +0200146superio_exit(int ioreg)
Jean Delvare08e7e272005-04-25 22:43:25 +0200147{
Jonas Jonsson022b75a2010-09-17 17:24:13 +0200148 outb(0xaa, ioreg);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200149 outb(0x02, ioreg);
150 outb(0x02, ioreg + 1);
Jean Delvare08e7e272005-04-25 22:43:25 +0200151}
152
153/*
154 * ISA constants
155 */
156
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800157#define IOREGION_ALIGNMENT (~7)
Jean Delvare1a641fc2007-04-23 14:41:16 -0700158#define IOREGION_OFFSET 5
159#define IOREGION_LENGTH 2
David Hubbard1ea6dd32007-06-24 11:16:15 +0200160#define ADDR_REG_OFFSET 0
161#define DATA_REG_OFFSET 1
Jean Delvare08e7e272005-04-25 22:43:25 +0200162
163#define W83627EHF_REG_BANK 0x4E
164#define W83627EHF_REG_CONFIG 0x40
David Hubbard657c93b2007-02-14 21:15:04 +0100165
Guenter Roeck8969e842012-01-19 11:02:27 -0800166/*
167 * Not currently used:
David Hubbard657c93b2007-02-14 21:15:04 +0100168 * 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
Guenter Roeck8969e842012-01-19 11:02:27 -0800171 * REG_CHIP_ID is at port 0x58
172 */
Jean Delvare08e7e272005-04-25 22:43:25 +0200173
174static const u16 W83627EHF_REG_FAN[] = { 0x28, 0x29, 0x2a, 0x3f, 0x553 };
175static const u16 W83627EHF_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d, 0x3e, 0x55c };
176
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100177/* 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
Guenter Roeckd36cf322011-02-07 15:08:54 -0800185static 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 };
Jean Delvare08e7e272005-04-25 22:43:25 +0200189
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
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800197/* NCT6775F has its own fan divider registers */
198#define NCT6775_REG_FANDIV1 0x506
199#define NCT6775_REG_FANDIV2 0x507
Ian Dobsond42e8692011-03-07 14:21:12 -0800200#define NCT6775_REG_FAN_DEBOUNCE 0xf0
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800201
Jean Delvarea4589db2006-03-23 16:30:29 +0100202#define W83627EHF_REG_ALARM1 0x459
203#define W83627EHF_REG_ALARM2 0x45A
204#define W83627EHF_REG_ALARM3 0x45B
205
Dmitry Artamonow363a12a2011-08-12 16:41:11 -0400206#define W83627EHF_REG_CASEOPEN_DET 0x42 /* SMI STATUS #2 */
207#define W83627EHF_REG_CASEOPEN_CLR 0x46 /* SMI MASK #3 */
208
Rudolf Marek08c79952006-07-05 18:14:31 +0200209/* SmartFan registers */
Daniel J Blueman41e9a062009-12-14 18:01:37 -0800210#define W83627EHF_REG_FAN_STEPUP_TIME 0x0f
211#define W83627EHF_REG_FAN_STEPDOWN_TIME 0x0e
212
Rudolf Marek08c79952006-07-05 18:14:31 +0200213/* 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 */
Daniel J Blueman41e9a062009-12-14 18:01:37 -0800218 0x62, /* CPU FAN1 mode */
Rudolf Marek08c79952006-07-05 18:14:31 +0200219};
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 */
Guenter Roeck279af1a2011-02-13 22:34:47 -0800225static const u16 W83627EHF_REG_PWM[] = { 0x01, 0x03, 0x11, 0x61 };
226static const u16 W83627EHF_REG_TARGET[] = { 0x05, 0x06, 0x13, 0x63 };
Rudolf Marek08c79952006-07-05 18:14:31 +0200227static const u8 W83627EHF_REG_TOLERANCE[] = { 0x07, 0x07, 0x14, 0x62 };
228
Rudolf Marek08c79952006-07-05 18:14:31 +0200229/* Advanced Fan control, some values are common for all fans */
Guenter Roeck279af1a2011-02-13 22:34:47 -0800230static 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 };
Guenter Roeckc39aeda2010-08-14 21:08:55 +0200233
Guenter Roeck279af1a2011-02-13 22:34:47 -0800234static const u16 W83627EHF_REG_FAN_MAX_OUTPUT_COMMON[]
Guenter Roeckc39aeda2010-08-14 21:08:55 +0200235 = { 0xff, 0x67, 0xff, 0x69 };
Guenter Roeck279af1a2011-02-13 22:34:47 -0800236static const u16 W83627EHF_REG_FAN_STEP_OUTPUT_COMMON[]
Guenter Roeckc39aeda2010-08-14 21:08:55 +0200237 = { 0xff, 0x68, 0xff, 0x6a };
238
Guenter Roeck279af1a2011-02-13 22:34:47 -0800239static 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 };
Rudolf Marek08c79952006-07-05 18:14:31 +0200242
Guenter Roeck840e1912012-02-08 09:29:11 -0800243static const u16 W83627EHF_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 };
244
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800245static 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 };
Guenter Roeck26bc4402011-02-11 08:00:58 -0800253static const u16 NCT6775_REG_FAN[] = { 0x630, 0x632, 0x634, 0x636, 0x638 };
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800254static 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
Guenter Roeckd36cf322011-02-07 15:08:54 -0800267static 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
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800278static 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)
Guenter Roeckd36cf322011-02-07 15:08:54 -0800329
Jean Delvare17296fe2011-10-20 03:08:27 -0400330static int is_word_sized(u16 reg)
Guenter Roeckbce26c52011-02-04 12:54:14 -0800331{
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800332 return ((((reg & 0xff00) == 0x100
Guenter Roeckbce26c52011-02-04 12:54:14 -0800333 || (reg & 0xff00) == 0x200)
334 && ((reg & 0x00ff) == 0x50
335 || (reg & 0x00ff) == 0x53
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800336 || (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 );
Guenter Roeckbce26c52011-02-04 12:54:14 -0800343}
344
Jean Delvare08e7e272005-04-25 22:43:25 +0200345/*
346 * Conversions
347 */
348
Rudolf Marek08c79952006-07-05 18:14:31 +0200349/* 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{
Guenter Roeck2a844c12013-01-09 08:09:34 -0800357 return clamp_val((mode ? (msec + 50) / 100 : (msec + 200) / 400),
358 1, 255);
Rudolf Marek08c79952006-07-05 18:14:31 +0200359}
360
Guenter Roeck26bc4402011-02-11 08:00:58 -0800361static unsigned int fan_from_reg8(u16 reg, unsigned int divreg)
Jean Delvare08e7e272005-04-25 22:43:25 +0200362{
Guenter Roeck26bc4402011-02-11 08:00:58 -0800363 if (reg == 0 || reg == 255)
Jean Delvare08e7e272005-04-25 22:43:25 +0200364 return 0;
Guenter Roeck26bc4402011-02-11 08:00:58 -0800365 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);
Jean Delvare08e7e272005-04-25 22:43:25 +0200391}
392
393static inline unsigned int
394div_from_reg(u8 reg)
395{
396 return 1 << reg;
397}
398
Guenter Roeck8969e842012-01-19 11:02:27 -0800399/*
400 * Some of the voltage inputs have internal scaling, the tables below
401 * contain 8 (the ADC LSB in mV) * scaling factor * 100
402 */
Jean Delvareeff76872011-11-04 12:00:48 +0100403static 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};
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100409
Jean Delvareeff76872011-11-04 12:00:48 +0100410static inline long in_from_reg(u8 reg, u8 nr, const u16 *scale_in)
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100411{
Jean Delvareeff76872011-11-04 12:00:48 +0100412 return DIV_ROUND_CLOSEST(reg * scale_in[nr], 100);
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100413}
414
Jean Delvareeff76872011-11-04 12:00:48 +0100415static inline u8 in_to_reg(u32 val, u8 nr, const u16 *scale_in)
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100416{
Guenter Roeck2a844c12013-01-09 08:09:34 -0800417 return clamp_val(DIV_ROUND_CLOSEST(val * 100, scale_in[nr]), 0, 255);
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100418}
419
Jean Delvare08e7e272005-04-25 22:43:25 +0200420/*
421 * Data structures and manipulation thereof
422 */
423
424struct w83627ehf_data {
David Hubbard1ea6dd32007-06-24 11:16:15 +0200425 int addr; /* IO base of hw monitor block */
426 const char *name;
427
Tony Jones1beeffe2007-08-20 13:46:20 -0700428 struct device *hwmon_dev;
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100429 struct mutex lock;
Jean Delvare08e7e272005-04-25 22:43:25 +0200430
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800431 u16 reg_temp[NUM_REG_TEMP];
432 u16 reg_temp_over[NUM_REG_TEMP];
433 u16 reg_temp_hyst[NUM_REG_TEMP];
434 u16 reg_temp_config[NUM_REG_TEMP];
Guenter Roeckd36cf322011-02-07 15:08:54 -0800435 u8 temp_src[NUM_REG_TEMP];
436 const char * const *temp_label;
437
Guenter Roeck279af1a2011-02-13 22:34:47 -0800438 const u16 *REG_PWM;
439 const u16 *REG_TARGET;
440 const u16 *REG_FAN;
441 const u16 *REG_FAN_MIN;
442 const u16 *REG_FAN_START_OUTPUT;
443 const u16 *REG_FAN_STOP_OUTPUT;
444 const u16 *REG_FAN_STOP_TIME;
445 const u16 *REG_FAN_MAX_OUTPUT;
446 const u16 *REG_FAN_STEP_OUTPUT;
Jean Delvareeff76872011-11-04 12:00:48 +0100447 const u16 *scale_in;
Guenter Roeckda2e0252010-08-14 21:08:55 +0200448
Guenter Roeck26bc4402011-02-11 08:00:58 -0800449 unsigned int (*fan_from_reg)(u16 reg, unsigned int divreg);
450 unsigned int (*fan_from_reg_min)(u16 reg, unsigned int divreg);
451
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100452 struct mutex update_lock;
Jean Delvare08e7e272005-04-25 22:43:25 +0200453 char valid; /* !=0 if following fields are valid */
454 unsigned long last_updated; /* In jiffies */
455
456 /* Register values */
Guenter Roeck83cc8982011-02-06 08:10:15 -0800457 u8 bank; /* current register bank */
David Hubbard1ea6dd32007-06-24 11:16:15 +0200458 u8 in_num; /* number of in inputs we have */
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100459 u8 in[10]; /* Register value */
460 u8 in_max[10]; /* Register value */
461 u8 in_min[10]; /* Register value */
Guenter Roeck3382a912011-02-13 13:08:23 -0800462 unsigned int rpm[5];
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800463 u16 fan_min[5];
Jean Delvare08e7e272005-04-25 22:43:25 +0200464 u8 fan_div[5];
465 u8 has_fan; /* some fan inputs can be disabled */
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800466 u8 has_fan_min; /* some fans don't have min register */
Guenter Roeck26bc4402011-02-11 08:00:58 -0800467 bool has_fan_div;
Jean Delvareda667362007-06-24 11:21:02 +0200468 u8 temp_type[3];
Guenter Roeck840e1912012-02-08 09:29:11 -0800469 s8 temp_offset[3];
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800470 s16 temp[9];
471 s16 temp_max[9];
472 s16 temp_max_hyst[9];
Jean Delvarea4589db2006-03-23 16:30:29 +0100473 u32 alarms;
Dmitry Artamonow363a12a2011-08-12 16:41:11 -0400474 u8 caseopen;
Rudolf Marek08c79952006-07-05 18:14:31 +0200475
476 u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */
477 u8 pwm_enable[4]; /* 1->manual
Guenter Roeck8969e842012-01-19 11:02:27 -0800478 * 2->thermal cruise mode (also called SmartFan I)
479 * 3->fan speed cruise mode
480 * 4->variable thermal cruise (also called
481 * SmartFan III)
482 * 5->enhanced variable thermal cruise (also called
483 * SmartFan IV)
484 */
Guenter Roeckb84bb512011-02-13 23:01:25 -0800485 u8 pwm_enable_orig[4]; /* original value of pwm_enable */
Gong Jun237c8d2f2009-03-30 21:46:42 +0200486 u8 pwm_num; /* number of pwm */
Rudolf Marek08c79952006-07-05 18:14:31 +0200487 u8 pwm[4];
488 u8 target_temp[4];
489 u8 tolerance[4];
490
Daniel J Blueman41e9a062009-12-14 18:01:37 -0800491 u8 fan_start_output[4]; /* minimum fan speed when spinning up */
492 u8 fan_stop_output[4]; /* minimum fan speed when spinning down */
493 u8 fan_stop_time[4]; /* time at minimum before disabling fan */
494 u8 fan_max_output[4]; /* maximum fan speed */
495 u8 fan_step_output[4]; /* rate of change output value */
Jean Delvarefc18d6c2007-06-24 11:19:42 +0200496
497 u8 vid;
498 u8 vrm;
Gong Juna157d062009-03-30 21:46:43 +0200499
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800500 u16 have_temp;
Guenter Roeck840e1912012-02-08 09:29:11 -0800501 u16 have_temp_offset;
Jean Delvareeff76872011-11-04 12:00:48 +0100502 u8 in6_skip:1;
503 u8 temp3_val_only:1;
Jean Delvare7e630bb2012-12-19 22:16:59 +0100504
505#ifdef CONFIG_PM
506 /* Remember extra register values over suspend/resume */
507 u8 vbat;
508 u8 fandiv1;
509 u8 fandiv2;
510#endif
Jean Delvare08e7e272005-04-25 22:43:25 +0200511};
512
David Hubbard1ea6dd32007-06-24 11:16:15 +0200513struct w83627ehf_sio_data {
514 int sioreg;
515 enum kinds kind;
516};
517
Guenter Roeck83cc8982011-02-06 08:10:15 -0800518/*
519 * On older chips, only registers 0x50-0x5f are banked.
520 * On more recent chips, all registers are banked.
521 * Assume that is the case and set the bank number for each access.
522 * Cache the bank number so it only needs to be set if it changes.
523 */
David Hubbard1ea6dd32007-06-24 11:16:15 +0200524static inline void w83627ehf_set_bank(struct w83627ehf_data *data, u16 reg)
Jean Delvare08e7e272005-04-25 22:43:25 +0200525{
Guenter Roeck83cc8982011-02-06 08:10:15 -0800526 u8 bank = reg >> 8;
527 if (data->bank != bank) {
David Hubbard1ea6dd32007-06-24 11:16:15 +0200528 outb_p(W83627EHF_REG_BANK, data->addr + ADDR_REG_OFFSET);
Guenter Roeck83cc8982011-02-06 08:10:15 -0800529 outb_p(bank, data->addr + DATA_REG_OFFSET);
530 data->bank = bank;
Jean Delvare08e7e272005-04-25 22:43:25 +0200531 }
532}
533
David Hubbard1ea6dd32007-06-24 11:16:15 +0200534static u16 w83627ehf_read_value(struct w83627ehf_data *data, u16 reg)
Jean Delvare08e7e272005-04-25 22:43:25 +0200535{
Jean Delvare08e7e272005-04-25 22:43:25 +0200536 int res, word_sized = is_word_sized(reg);
537
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100538 mutex_lock(&data->lock);
Jean Delvare08e7e272005-04-25 22:43:25 +0200539
David Hubbard1ea6dd32007-06-24 11:16:15 +0200540 w83627ehf_set_bank(data, reg);
541 outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET);
542 res = inb_p(data->addr + DATA_REG_OFFSET);
Jean Delvare08e7e272005-04-25 22:43:25 +0200543 if (word_sized) {
544 outb_p((reg & 0xff) + 1,
David Hubbard1ea6dd32007-06-24 11:16:15 +0200545 data->addr + ADDR_REG_OFFSET);
546 res = (res << 8) + inb_p(data->addr + DATA_REG_OFFSET);
Jean Delvare08e7e272005-04-25 22:43:25 +0200547 }
Jean Delvare08e7e272005-04-25 22:43:25 +0200548
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100549 mutex_unlock(&data->lock);
Jean Delvare08e7e272005-04-25 22:43:25 +0200550 return res;
551}
552
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800553static int w83627ehf_write_value(struct w83627ehf_data *data, u16 reg,
554 u16 value)
Jean Delvare08e7e272005-04-25 22:43:25 +0200555{
Jean Delvare08e7e272005-04-25 22:43:25 +0200556 int word_sized = is_word_sized(reg);
557
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100558 mutex_lock(&data->lock);
Jean Delvare08e7e272005-04-25 22:43:25 +0200559
David Hubbard1ea6dd32007-06-24 11:16:15 +0200560 w83627ehf_set_bank(data, reg);
561 outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET);
Jean Delvare08e7e272005-04-25 22:43:25 +0200562 if (word_sized) {
David Hubbard1ea6dd32007-06-24 11:16:15 +0200563 outb_p(value >> 8, data->addr + DATA_REG_OFFSET);
Jean Delvare08e7e272005-04-25 22:43:25 +0200564 outb_p((reg & 0xff) + 1,
David Hubbard1ea6dd32007-06-24 11:16:15 +0200565 data->addr + ADDR_REG_OFFSET);
Jean Delvare08e7e272005-04-25 22:43:25 +0200566 }
David Hubbard1ea6dd32007-06-24 11:16:15 +0200567 outb_p(value & 0xff, data->addr + DATA_REG_OFFSET);
Jean Delvare08e7e272005-04-25 22:43:25 +0200568
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100569 mutex_unlock(&data->lock);
Jean Delvare08e7e272005-04-25 22:43:25 +0200570 return 0;
571}
572
Jean Delvarec5794cf2011-10-20 03:13:31 -0400573/* We left-align 8-bit temperature values to make the code simpler */
574static u16 w83627ehf_read_temp(struct w83627ehf_data *data, u16 reg)
575{
576 u16 res;
577
578 res = w83627ehf_read_value(data, reg);
579 if (!is_word_sized(reg))
580 res <<= 8;
581
582 return res;
583}
584
585static int w83627ehf_write_temp(struct w83627ehf_data *data, u16 reg,
586 u16 value)
587{
588 if (!is_word_sized(reg))
589 value >>= 8;
590 return w83627ehf_write_value(data, reg, value);
591}
592
Jean Delvare08e7e272005-04-25 22:43:25 +0200593/* This function assumes that the caller holds data->update_lock */
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800594static void nct6775_write_fan_div(struct w83627ehf_data *data, int nr)
595{
596 u8 reg;
597
598 switch (nr) {
599 case 0:
600 reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV1) & 0x70)
601 | (data->fan_div[0] & 0x7);
602 w83627ehf_write_value(data, NCT6775_REG_FANDIV1, reg);
603 break;
604 case 1:
605 reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV1) & 0x7)
606 | ((data->fan_div[1] << 4) & 0x70);
607 w83627ehf_write_value(data, NCT6775_REG_FANDIV1, reg);
Guenter Roeck58c36672012-06-21 06:32:40 -0700608 break;
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800609 case 2:
610 reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV2) & 0x70)
611 | (data->fan_div[2] & 0x7);
612 w83627ehf_write_value(data, NCT6775_REG_FANDIV2, reg);
613 break;
614 case 3:
615 reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV2) & 0x7)
616 | ((data->fan_div[3] << 4) & 0x70);
617 w83627ehf_write_value(data, NCT6775_REG_FANDIV2, reg);
618 break;
619 }
620}
621
622/* This function assumes that the caller holds data->update_lock */
David Hubbard1ea6dd32007-06-24 11:16:15 +0200623static void w83627ehf_write_fan_div(struct w83627ehf_data *data, int nr)
Jean Delvare08e7e272005-04-25 22:43:25 +0200624{
Jean Delvare08e7e272005-04-25 22:43:25 +0200625 u8 reg;
626
627 switch (nr) {
628 case 0:
David Hubbard1ea6dd32007-06-24 11:16:15 +0200629 reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV1) & 0xcf)
Jean Delvare08e7e272005-04-25 22:43:25 +0200630 | ((data->fan_div[0] & 0x03) << 4);
Rudolf Marek14992c72006-10-08 22:02:09 +0200631 /* fan5 input control bit is write only, compute the value */
632 reg |= (data->has_fan & (1 << 4)) ? 1 : 0;
David Hubbard1ea6dd32007-06-24 11:16:15 +0200633 w83627ehf_write_value(data, W83627EHF_REG_FANDIV1, reg);
634 reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0xdf)
Jean Delvare08e7e272005-04-25 22:43:25 +0200635 | ((data->fan_div[0] & 0x04) << 3);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200636 w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg);
Jean Delvare08e7e272005-04-25 22:43:25 +0200637 break;
638 case 1:
David Hubbard1ea6dd32007-06-24 11:16:15 +0200639 reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV1) & 0x3f)
Jean Delvare08e7e272005-04-25 22:43:25 +0200640 | ((data->fan_div[1] & 0x03) << 6);
Rudolf Marek14992c72006-10-08 22:02:09 +0200641 /* fan5 input control bit is write only, compute the value */
642 reg |= (data->has_fan & (1 << 4)) ? 1 : 0;
David Hubbard1ea6dd32007-06-24 11:16:15 +0200643 w83627ehf_write_value(data, W83627EHF_REG_FANDIV1, reg);
644 reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0xbf)
Jean Delvare08e7e272005-04-25 22:43:25 +0200645 | ((data->fan_div[1] & 0x04) << 4);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200646 w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg);
Jean Delvare08e7e272005-04-25 22:43:25 +0200647 break;
648 case 2:
David Hubbard1ea6dd32007-06-24 11:16:15 +0200649 reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV2) & 0x3f)
Jean Delvare08e7e272005-04-25 22:43:25 +0200650 | ((data->fan_div[2] & 0x03) << 6);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200651 w83627ehf_write_value(data, W83627EHF_REG_FANDIV2, reg);
652 reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0x7f)
Jean Delvare08e7e272005-04-25 22:43:25 +0200653 | ((data->fan_div[2] & 0x04) << 5);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200654 w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg);
Jean Delvare08e7e272005-04-25 22:43:25 +0200655 break;
656 case 3:
David Hubbard1ea6dd32007-06-24 11:16:15 +0200657 reg = (w83627ehf_read_value(data, W83627EHF_REG_DIODE) & 0xfc)
Jean Delvare08e7e272005-04-25 22:43:25 +0200658 | (data->fan_div[3] & 0x03);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200659 w83627ehf_write_value(data, W83627EHF_REG_DIODE, reg);
660 reg = (w83627ehf_read_value(data, W83627EHF_REG_SMI_OVT) & 0x7f)
Jean Delvare08e7e272005-04-25 22:43:25 +0200661 | ((data->fan_div[3] & 0x04) << 5);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200662 w83627ehf_write_value(data, W83627EHF_REG_SMI_OVT, reg);
Jean Delvare08e7e272005-04-25 22:43:25 +0200663 break;
664 case 4:
David Hubbard1ea6dd32007-06-24 11:16:15 +0200665 reg = (w83627ehf_read_value(data, W83627EHF_REG_DIODE) & 0x73)
Jean Delvare33725ad2007-04-17 00:32:27 -0700666 | ((data->fan_div[4] & 0x03) << 2)
Jean Delvare08e7e272005-04-25 22:43:25 +0200667 | ((data->fan_div[4] & 0x04) << 5);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200668 w83627ehf_write_value(data, W83627EHF_REG_DIODE, reg);
Jean Delvare08e7e272005-04-25 22:43:25 +0200669 break;
670 }
671}
672
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800673static void w83627ehf_write_fan_div_common(struct device *dev,
674 struct w83627ehf_data *data, int nr)
675{
Jingoo Hana8b3a3a2013-07-30 17:13:06 +0900676 struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800677
678 if (sio_data->kind == nct6776)
679 ; /* no dividers, do nothing */
680 else if (sio_data->kind == nct6775)
681 nct6775_write_fan_div(data, nr);
682 else
683 w83627ehf_write_fan_div(data, nr);
684}
685
686static void nct6775_update_fan_div(struct w83627ehf_data *data)
687{
688 u8 i;
689
690 i = w83627ehf_read_value(data, NCT6775_REG_FANDIV1);
691 data->fan_div[0] = i & 0x7;
692 data->fan_div[1] = (i & 0x70) >> 4;
693 i = w83627ehf_read_value(data, NCT6775_REG_FANDIV2);
694 data->fan_div[2] = i & 0x7;
695 if (data->has_fan & (1<<3))
696 data->fan_div[3] = (i & 0x70) >> 4;
697}
698
Mark M. Hoffmanea7be662007-08-05 12:19:01 -0400699static void w83627ehf_update_fan_div(struct w83627ehf_data *data)
700{
701 int i;
702
703 i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1);
704 data->fan_div[0] = (i >> 4) & 0x03;
705 data->fan_div[1] = (i >> 6) & 0x03;
706 i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV2);
707 data->fan_div[2] = (i >> 6) & 0x03;
708 i = w83627ehf_read_value(data, W83627EHF_REG_VBAT);
709 data->fan_div[0] |= (i >> 3) & 0x04;
710 data->fan_div[1] |= (i >> 4) & 0x04;
711 data->fan_div[2] |= (i >> 5) & 0x04;
712 if (data->has_fan & ((1 << 3) | (1 << 4))) {
713 i = w83627ehf_read_value(data, W83627EHF_REG_DIODE);
714 data->fan_div[3] = i & 0x03;
715 data->fan_div[4] = ((i >> 2) & 0x03)
716 | ((i >> 5) & 0x04);
717 }
718 if (data->has_fan & (1 << 3)) {
719 i = w83627ehf_read_value(data, W83627EHF_REG_SMI_OVT);
720 data->fan_div[3] |= (i >> 5) & 0x04;
721 }
722}
723
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800724static void w83627ehf_update_fan_div_common(struct device *dev,
725 struct w83627ehf_data *data)
726{
Jingoo Hana8b3a3a2013-07-30 17:13:06 +0900727 struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800728
729 if (sio_data->kind == nct6776)
730 ; /* no dividers, do nothing */
731 else if (sio_data->kind == nct6775)
732 nct6775_update_fan_div(data);
733 else
734 w83627ehf_update_fan_div(data);
735}
736
737static void nct6775_update_pwm(struct w83627ehf_data *data)
738{
739 int i;
740 int pwmcfg, fanmodecfg;
741
742 for (i = 0; i < data->pwm_num; i++) {
743 pwmcfg = w83627ehf_read_value(data,
744 W83627EHF_REG_PWM_ENABLE[i]);
745 fanmodecfg = w83627ehf_read_value(data,
746 NCT6775_REG_FAN_MODE[i]);
747 data->pwm_mode[i] =
748 ((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1) ? 0 : 1;
749 data->pwm_enable[i] = ((fanmodecfg >> 4) & 7) + 1;
750 data->tolerance[i] = fanmodecfg & 0x0f;
751 data->pwm[i] = w83627ehf_read_value(data, data->REG_PWM[i]);
752 }
753}
754
755static void w83627ehf_update_pwm(struct w83627ehf_data *data)
756{
757 int i;
758 int pwmcfg = 0, tolerance = 0; /* shut up the compiler */
759
760 for (i = 0; i < data->pwm_num; i++) {
761 if (!(data->has_fan & (1 << i)))
762 continue;
763
764 /* pwmcfg, tolerance mapped for i=0, i=1 to same reg */
765 if (i != 1) {
766 pwmcfg = w83627ehf_read_value(data,
767 W83627EHF_REG_PWM_ENABLE[i]);
768 tolerance = w83627ehf_read_value(data,
769 W83627EHF_REG_TOLERANCE[i]);
770 }
771 data->pwm_mode[i] =
772 ((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1) ? 0 : 1;
773 data->pwm_enable[i] = ((pwmcfg >> W83627EHF_PWM_ENABLE_SHIFT[i])
774 & 3) + 1;
775 data->pwm[i] = w83627ehf_read_value(data, data->REG_PWM[i]);
776
777 data->tolerance[i] = (tolerance >> (i == 1 ? 4 : 0)) & 0x0f;
778 }
779}
780
781static void w83627ehf_update_pwm_common(struct device *dev,
782 struct w83627ehf_data *data)
783{
Jingoo Hana8b3a3a2013-07-30 17:13:06 +0900784 struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800785
786 if (sio_data->kind == nct6775 || sio_data->kind == nct6776)
787 nct6775_update_pwm(data);
788 else
789 w83627ehf_update_pwm(data);
790}
791
Jean Delvare08e7e272005-04-25 22:43:25 +0200792static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
793{
David Hubbard1ea6dd32007-06-24 11:16:15 +0200794 struct w83627ehf_data *data = dev_get_drvdata(dev);
Jingoo Hana8b3a3a2013-07-30 17:13:06 +0900795 struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800796
Jean Delvare08e7e272005-04-25 22:43:25 +0200797 int i;
798
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100799 mutex_lock(&data->update_lock);
Jean Delvare08e7e272005-04-25 22:43:25 +0200800
Jean Delvare6b3e4642007-06-24 11:19:01 +0200801 if (time_after(jiffies, data->last_updated + HZ + HZ/2)
Jean Delvare08e7e272005-04-25 22:43:25 +0200802 || !data->valid) {
803 /* Fan clock dividers */
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800804 w83627ehf_update_fan_div_common(dev, data);
Jean Delvare08e7e272005-04-25 22:43:25 +0200805
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100806 /* Measured voltages and limits */
David Hubbard1ea6dd32007-06-24 11:16:15 +0200807 for (i = 0; i < data->in_num; i++) {
Jean Delvare389ef652011-10-13 10:40:53 -0400808 if ((i == 6) && data->in6_skip)
809 continue;
810
David Hubbard1ea6dd32007-06-24 11:16:15 +0200811 data->in[i] = w83627ehf_read_value(data,
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100812 W83627EHF_REG_IN(i));
David Hubbard1ea6dd32007-06-24 11:16:15 +0200813 data->in_min[i] = w83627ehf_read_value(data,
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100814 W83627EHF_REG_IN_MIN(i));
David Hubbard1ea6dd32007-06-24 11:16:15 +0200815 data->in_max[i] = w83627ehf_read_value(data,
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100816 W83627EHF_REG_IN_MAX(i));
817 }
818
Jean Delvare08e7e272005-04-25 22:43:25 +0200819 /* Measured fan speeds and limits */
820 for (i = 0; i < 5; i++) {
Guenter Roeck3382a912011-02-13 13:08:23 -0800821 u16 reg;
822
Jean Delvare08e7e272005-04-25 22:43:25 +0200823 if (!(data->has_fan & (1 << i)))
824 continue;
825
Guenter Roeck3382a912011-02-13 13:08:23 -0800826 reg = w83627ehf_read_value(data, data->REG_FAN[i]);
827 data->rpm[i] = data->fan_from_reg(reg,
828 data->fan_div[i]);
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800829
830 if (data->has_fan_min & (1 << i))
831 data->fan_min[i] = w83627ehf_read_value(data,
Guenter Roeck279af1a2011-02-13 22:34:47 -0800832 data->REG_FAN_MIN[i]);
Jean Delvare08e7e272005-04-25 22:43:25 +0200833
Guenter Roeck8969e842012-01-19 11:02:27 -0800834 /*
835 * If we failed to measure the fan speed and clock
836 * divider can be increased, let's try that for next
837 * time
838 */
Guenter Roeck26bc4402011-02-11 08:00:58 -0800839 if (data->has_fan_div
Guenter Roeck3382a912011-02-13 13:08:23 -0800840 && (reg >= 0xff || (sio_data->kind == nct6775
841 && reg == 0x00))
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800842 && data->fan_div[i] < 0x07) {
Guenter Roeckb55f3752013-01-10 10:01:24 -0800843 dev_dbg(dev,
844 "Increasing fan%d clock divider from %u to %u\n",
Jean Delvare33725ad2007-04-17 00:32:27 -0700845 i + 1, div_from_reg(data->fan_div[i]),
Jean Delvare08e7e272005-04-25 22:43:25 +0200846 div_from_reg(data->fan_div[i] + 1));
847 data->fan_div[i]++;
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800848 w83627ehf_write_fan_div_common(dev, data, i);
Jean Delvare08e7e272005-04-25 22:43:25 +0200849 /* Preserve min limit if possible */
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800850 if ((data->has_fan_min & (1 << i))
851 && data->fan_min[i] >= 2
Jean Delvare08e7e272005-04-25 22:43:25 +0200852 && data->fan_min[i] != 255)
David Hubbard1ea6dd32007-06-24 11:16:15 +0200853 w83627ehf_write_value(data,
Guenter Roeck279af1a2011-02-13 22:34:47 -0800854 data->REG_FAN_MIN[i],
Jean Delvare08e7e272005-04-25 22:43:25 +0200855 (data->fan_min[i] /= 2));
856 }
857 }
858
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800859 w83627ehf_update_pwm_common(dev, data);
860
Guenter Roeckda2e0252010-08-14 21:08:55 +0200861 for (i = 0; i < data->pwm_num; i++) {
862 if (!(data->has_fan & (1 << i)))
863 continue;
864
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800865 data->fan_start_output[i] =
866 w83627ehf_read_value(data,
867 data->REG_FAN_START_OUTPUT[i]);
868 data->fan_stop_output[i] =
869 w83627ehf_read_value(data,
870 data->REG_FAN_STOP_OUTPUT[i]);
871 data->fan_stop_time[i] =
872 w83627ehf_read_value(data,
873 data->REG_FAN_STOP_TIME[i]);
Guenter Roeckda2e0252010-08-14 21:08:55 +0200874
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800875 if (data->REG_FAN_MAX_OUTPUT &&
876 data->REG_FAN_MAX_OUTPUT[i] != 0xff)
Guenter Roeckda2e0252010-08-14 21:08:55 +0200877 data->fan_max_output[i] =
878 w83627ehf_read_value(data,
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800879 data->REG_FAN_MAX_OUTPUT[i]);
Guenter Roeckda2e0252010-08-14 21:08:55 +0200880
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800881 if (data->REG_FAN_STEP_OUTPUT &&
882 data->REG_FAN_STEP_OUTPUT[i] != 0xff)
Guenter Roeckda2e0252010-08-14 21:08:55 +0200883 data->fan_step_output[i] =
884 w83627ehf_read_value(data,
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800885 data->REG_FAN_STEP_OUTPUT[i]);
Guenter Roeckda2e0252010-08-14 21:08:55 +0200886
Rudolf Marek08c79952006-07-05 18:14:31 +0200887 data->target_temp[i] =
David Hubbard1ea6dd32007-06-24 11:16:15 +0200888 w83627ehf_read_value(data,
Guenter Roeck279af1a2011-02-13 22:34:47 -0800889 data->REG_TARGET[i]) &
Rudolf Marek08c79952006-07-05 18:14:31 +0200890 (data->pwm_mode[i] == 1 ? 0x7f : 0xff);
Rudolf Marek08c79952006-07-05 18:14:31 +0200891 }
892
Jean Delvare08e7e272005-04-25 22:43:25 +0200893 /* Measured temperatures and limits */
Guenter Roeckd36cf322011-02-07 15:08:54 -0800894 for (i = 0; i < NUM_REG_TEMP; i++) {
895 if (!(data->have_temp & (1 << i)))
896 continue;
Jean Delvarec5794cf2011-10-20 03:13:31 -0400897 data->temp[i] = w83627ehf_read_temp(data,
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800898 data->reg_temp[i]);
899 if (data->reg_temp_over[i])
900 data->temp_max[i]
Jean Delvarec5794cf2011-10-20 03:13:31 -0400901 = w83627ehf_read_temp(data,
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800902 data->reg_temp_over[i]);
903 if (data->reg_temp_hyst[i])
904 data->temp_max_hyst[i]
Jean Delvarec5794cf2011-10-20 03:13:31 -0400905 = w83627ehf_read_temp(data,
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800906 data->reg_temp_hyst[i]);
Jean Delvare45633fb2012-12-19 22:17:00 +0100907 if (i > 2)
908 continue;
Guenter Roeck840e1912012-02-08 09:29:11 -0800909 if (data->have_temp_offset & (1 << i))
910 data->temp_offset[i]
911 = w83627ehf_read_value(data,
912 W83627EHF_REG_TEMP_OFFSET[i]);
Jean Delvare08e7e272005-04-25 22:43:25 +0200913 }
914
David Hubbard1ea6dd32007-06-24 11:16:15 +0200915 data->alarms = w83627ehf_read_value(data,
Jean Delvarea4589db2006-03-23 16:30:29 +0100916 W83627EHF_REG_ALARM1) |
David Hubbard1ea6dd32007-06-24 11:16:15 +0200917 (w83627ehf_read_value(data,
Jean Delvarea4589db2006-03-23 16:30:29 +0100918 W83627EHF_REG_ALARM2) << 8) |
David Hubbard1ea6dd32007-06-24 11:16:15 +0200919 (w83627ehf_read_value(data,
Jean Delvarea4589db2006-03-23 16:30:29 +0100920 W83627EHF_REG_ALARM3) << 16);
921
Dmitry Artamonow363a12a2011-08-12 16:41:11 -0400922 data->caseopen = w83627ehf_read_value(data,
923 W83627EHF_REG_CASEOPEN_DET);
924
Jean Delvare08e7e272005-04-25 22:43:25 +0200925 data->last_updated = jiffies;
926 data->valid = 1;
927 }
928
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100929 mutex_unlock(&data->update_lock);
Jean Delvare08e7e272005-04-25 22:43:25 +0200930 return data;
931}
932
933/*
934 * Sysfs callback functions
935 */
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100936#define show_in_reg(reg) \
937static ssize_t \
938show_##reg(struct device *dev, struct device_attribute *attr, \
939 char *buf) \
940{ \
941 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800942 struct sensor_device_attribute *sensor_attr = \
943 to_sensor_dev_attr(attr); \
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100944 int nr = sensor_attr->index; \
Jean Delvareeff76872011-11-04 12:00:48 +0100945 return sprintf(buf, "%ld\n", in_from_reg(data->reg[nr], nr, \
946 data->scale_in)); \
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100947}
948show_in_reg(in)
949show_in_reg(in_min)
950show_in_reg(in_max)
951
952#define store_in_reg(REG, reg) \
953static ssize_t \
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800954store_in_##reg(struct device *dev, struct device_attribute *attr, \
955 const char *buf, size_t count) \
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100956{ \
David Hubbard1ea6dd32007-06-24 11:16:15 +0200957 struct w83627ehf_data *data = dev_get_drvdata(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800958 struct sensor_device_attribute *sensor_attr = \
959 to_sensor_dev_attr(attr); \
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100960 int nr = sensor_attr->index; \
Guenter Roeckbce26c52011-02-04 12:54:14 -0800961 unsigned long val; \
962 int err; \
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +0100963 err = kstrtoul(buf, 10, &val); \
Guenter Roeckbce26c52011-02-04 12:54:14 -0800964 if (err < 0) \
965 return err; \
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100966 mutex_lock(&data->update_lock); \
Jean Delvareeff76872011-11-04 12:00:48 +0100967 data->in_##reg[nr] = in_to_reg(val, nr, data->scale_in); \
David Hubbard1ea6dd32007-06-24 11:16:15 +0200968 w83627ehf_write_value(data, W83627EHF_REG_IN_##REG(nr), \
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100969 data->in_##reg[nr]); \
970 mutex_unlock(&data->update_lock); \
971 return count; \
972}
973
974store_in_reg(MIN, min)
975store_in_reg(MAX, max)
976
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800977static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
978 char *buf)
Jean Delvarea4589db2006-03-23 16:30:29 +0100979{
980 struct w83627ehf_data *data = w83627ehf_update_device(dev);
981 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
982 int nr = sensor_attr->index;
983 return sprintf(buf, "%u\n", (data->alarms >> nr) & 0x01);
984}
985
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100986static struct sensor_device_attribute sda_in_input[] = {
987 SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0),
988 SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1),
989 SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2),
990 SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3),
991 SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4),
992 SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5),
993 SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6),
994 SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7),
995 SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8),
996 SENSOR_ATTR(in9_input, S_IRUGO, show_in, NULL, 9),
997};
998
Jean Delvarea4589db2006-03-23 16:30:29 +0100999static struct sensor_device_attribute sda_in_alarm[] = {
1000 SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0),
1001 SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1),
1002 SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2),
1003 SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3),
1004 SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8),
1005 SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 21),
1006 SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 20),
1007 SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16),
1008 SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17),
1009 SENSOR_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 19),
1010};
1011
Rudolf Marekcf0676f2006-03-23 16:25:22 +01001012static struct sensor_device_attribute sda_in_min[] = {
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001013 SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0),
1014 SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1),
1015 SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2),
1016 SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3),
1017 SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4),
1018 SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5),
1019 SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6),
1020 SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7),
1021 SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8),
1022 SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 9),
Rudolf Marekcf0676f2006-03-23 16:25:22 +01001023};
1024
1025static struct sensor_device_attribute sda_in_max[] = {
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001026 SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0),
1027 SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1),
1028 SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2),
1029 SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3),
1030 SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4),
1031 SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5),
1032 SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6),
1033 SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7),
1034 SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8),
1035 SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9),
Rudolf Marekcf0676f2006-03-23 16:25:22 +01001036};
1037
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001038static ssize_t
1039show_fan(struct device *dev, struct device_attribute *attr, char *buf)
1040{
1041 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1042 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1043 int nr = sensor_attr->index;
Guenter Roeck3382a912011-02-13 13:08:23 -08001044 return sprintf(buf, "%d\n", data->rpm[nr]);
Jean Delvare08e7e272005-04-25 22:43:25 +02001045}
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001046
1047static ssize_t
1048show_fan_min(struct device *dev, struct device_attribute *attr, char *buf)
1049{
1050 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1051 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1052 int nr = sensor_attr->index;
1053 return sprintf(buf, "%d\n",
Guenter Roeck26bc4402011-02-11 08:00:58 -08001054 data->fan_from_reg_min(data->fan_min[nr],
1055 data->fan_div[nr]));
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001056}
Jean Delvare08e7e272005-04-25 22:43:25 +02001057
1058static ssize_t
Yuan Mu412fec82006-02-05 23:24:16 +01001059show_fan_div(struct device *dev, struct device_attribute *attr,
1060 char *buf)
Jean Delvare08e7e272005-04-25 22:43:25 +02001061{
1062 struct w83627ehf_data *data = w83627ehf_update_device(dev);
Yuan Mu412fec82006-02-05 23:24:16 +01001063 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1064 int nr = sensor_attr->index;
1065 return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr]));
Jean Delvare08e7e272005-04-25 22:43:25 +02001066}
1067
1068static ssize_t
Yuan Mu412fec82006-02-05 23:24:16 +01001069store_fan_min(struct device *dev, struct device_attribute *attr,
1070 const char *buf, size_t count)
Jean Delvare08e7e272005-04-25 22:43:25 +02001071{
David Hubbard1ea6dd32007-06-24 11:16:15 +02001072 struct w83627ehf_data *data = dev_get_drvdata(dev);
Yuan Mu412fec82006-02-05 23:24:16 +01001073 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1074 int nr = sensor_attr->index;
Guenter Roeckbce26c52011-02-04 12:54:14 -08001075 unsigned long val;
1076 int err;
Jean Delvare08e7e272005-04-25 22:43:25 +02001077 unsigned int reg;
1078 u8 new_div;
1079
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001080 err = kstrtoul(buf, 10, &val);
Guenter Roeckbce26c52011-02-04 12:54:14 -08001081 if (err < 0)
1082 return err;
1083
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001084 mutex_lock(&data->update_lock);
Guenter Roeck26bc4402011-02-11 08:00:58 -08001085 if (!data->has_fan_div) {
1086 /*
1087 * Only NCT6776F for now, so we know that this is a 13 bit
1088 * register
1089 */
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001090 if (!val) {
1091 val = 0xff1f;
1092 } else {
1093 if (val > 1350000U)
1094 val = 135000U;
1095 val = 1350000U / val;
1096 val = (val & 0x1f) | ((val << 3) & 0xff00);
1097 }
1098 data->fan_min[nr] = val;
1099 goto done; /* Leave fan divider alone */
1100 }
Jean Delvare08e7e272005-04-25 22:43:25 +02001101 if (!val) {
1102 /* No min limit, alarm disabled */
1103 data->fan_min[nr] = 255;
1104 new_div = data->fan_div[nr]; /* No change */
1105 dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1);
1106 } else if ((reg = 1350000U / val) >= 128 * 255) {
Guenter Roeck8969e842012-01-19 11:02:27 -08001107 /*
1108 * Speed below this value cannot possibly be represented,
1109 * even with the highest divider (128)
1110 */
Jean Delvare08e7e272005-04-25 22:43:25 +02001111 data->fan_min[nr] = 254;
1112 new_div = 7; /* 128 == (1 << 7) */
Guenter Roeckb55f3752013-01-10 10:01:24 -08001113 dev_warn(dev,
1114 "fan%u low limit %lu below minimum %u, set to minimum\n",
1115 nr + 1, val, data->fan_from_reg_min(254, 7));
Jean Delvare08e7e272005-04-25 22:43:25 +02001116 } else if (!reg) {
Guenter Roeck8969e842012-01-19 11:02:27 -08001117 /*
1118 * Speed above this value cannot possibly be represented,
1119 * even with the lowest divider (1)
1120 */
Jean Delvare08e7e272005-04-25 22:43:25 +02001121 data->fan_min[nr] = 1;
1122 new_div = 0; /* 1 == (1 << 0) */
Guenter Roeckb55f3752013-01-10 10:01:24 -08001123 dev_warn(dev,
1124 "fan%u low limit %lu above maximum %u, set to maximum\n",
1125 nr + 1, val, data->fan_from_reg_min(1, 0));
Jean Delvare08e7e272005-04-25 22:43:25 +02001126 } else {
Guenter Roeck8969e842012-01-19 11:02:27 -08001127 /*
1128 * Automatically pick the best divider, i.e. the one such
1129 * that the min limit will correspond to a register value
1130 * in the 96..192 range
1131 */
Jean Delvare08e7e272005-04-25 22:43:25 +02001132 new_div = 0;
1133 while (reg > 192 && new_div < 7) {
1134 reg >>= 1;
1135 new_div++;
1136 }
1137 data->fan_min[nr] = reg;
1138 }
1139
Guenter Roeck8969e842012-01-19 11:02:27 -08001140 /*
1141 * Write both the fan clock divider (if it changed) and the new
1142 * fan min (unconditionally)
1143 */
Jean Delvare08e7e272005-04-25 22:43:25 +02001144 if (new_div != data->fan_div[nr]) {
Jean Delvare08e7e272005-04-25 22:43:25 +02001145 dev_dbg(dev, "fan%u clock divider changed from %u to %u\n",
1146 nr + 1, div_from_reg(data->fan_div[nr]),
1147 div_from_reg(new_div));
1148 data->fan_div[nr] = new_div;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001149 w83627ehf_write_fan_div_common(dev, data, nr);
Jean Delvare6b3e4642007-06-24 11:19:01 +02001150 /* Give the chip time to sample a new speed value */
1151 data->last_updated = jiffies;
Jean Delvare08e7e272005-04-25 22:43:25 +02001152 }
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001153done:
Guenter Roeck279af1a2011-02-13 22:34:47 -08001154 w83627ehf_write_value(data, data->REG_FAN_MIN[nr],
Jean Delvare08e7e272005-04-25 22:43:25 +02001155 data->fan_min[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001156 mutex_unlock(&data->update_lock);
Jean Delvare08e7e272005-04-25 22:43:25 +02001157
1158 return count;
1159}
1160
Yuan Mu412fec82006-02-05 23:24:16 +01001161static struct sensor_device_attribute sda_fan_input[] = {
1162 SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0),
1163 SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1),
1164 SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2),
1165 SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3),
1166 SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4),
1167};
Jean Delvare08e7e272005-04-25 22:43:25 +02001168
Jean Delvarea4589db2006-03-23 16:30:29 +01001169static struct sensor_device_attribute sda_fan_alarm[] = {
1170 SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6),
1171 SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7),
1172 SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11),
1173 SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 10),
1174 SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 23),
1175};
1176
Yuan Mu412fec82006-02-05 23:24:16 +01001177static struct sensor_device_attribute sda_fan_min[] = {
1178 SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min,
1179 store_fan_min, 0),
1180 SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min,
1181 store_fan_min, 1),
1182 SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min,
1183 store_fan_min, 2),
1184 SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min,
1185 store_fan_min, 3),
1186 SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min,
1187 store_fan_min, 4),
1188};
Jean Delvare08e7e272005-04-25 22:43:25 +02001189
Yuan Mu412fec82006-02-05 23:24:16 +01001190static struct sensor_device_attribute sda_fan_div[] = {
1191 SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0),
1192 SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1),
1193 SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2),
1194 SENSOR_ATTR(fan4_div, S_IRUGO, show_fan_div, NULL, 3),
1195 SENSOR_ATTR(fan5_div, S_IRUGO, show_fan_div, NULL, 4),
1196};
Jean Delvare08e7e272005-04-25 22:43:25 +02001197
Guenter Roeckd36cf322011-02-07 15:08:54 -08001198static ssize_t
1199show_temp_label(struct device *dev, struct device_attribute *attr, char *buf)
1200{
1201 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1202 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1203 int nr = sensor_attr->index;
1204 return sprintf(buf, "%s\n", data->temp_label[data->temp_src[nr]]);
1205}
1206
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001207#define show_temp_reg(addr, reg) \
Jean Delvare08e7e272005-04-25 22:43:25 +02001208static ssize_t \
Yuan Mu412fec82006-02-05 23:24:16 +01001209show_##reg(struct device *dev, struct device_attribute *attr, \
1210 char *buf) \
Jean Delvare08e7e272005-04-25 22:43:25 +02001211{ \
1212 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001213 struct sensor_device_attribute *sensor_attr = \
1214 to_sensor_dev_attr(attr); \
Yuan Mu412fec82006-02-05 23:24:16 +01001215 int nr = sensor_attr->index; \
Jean Delvarec5794cf2011-10-20 03:13:31 -04001216 return sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(data->reg[nr])); \
Jean Delvare08e7e272005-04-25 22:43:25 +02001217}
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001218show_temp_reg(reg_temp, temp);
1219show_temp_reg(reg_temp_over, temp_max);
1220show_temp_reg(reg_temp_hyst, temp_max_hyst);
Jean Delvare08e7e272005-04-25 22:43:25 +02001221
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001222#define store_temp_reg(addr, reg) \
Jean Delvare08e7e272005-04-25 22:43:25 +02001223static ssize_t \
Yuan Mu412fec82006-02-05 23:24:16 +01001224store_##reg(struct device *dev, struct device_attribute *attr, \
1225 const char *buf, size_t count) \
Jean Delvare08e7e272005-04-25 22:43:25 +02001226{ \
David Hubbard1ea6dd32007-06-24 11:16:15 +02001227 struct w83627ehf_data *data = dev_get_drvdata(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001228 struct sensor_device_attribute *sensor_attr = \
1229 to_sensor_dev_attr(attr); \
Yuan Mu412fec82006-02-05 23:24:16 +01001230 int nr = sensor_attr->index; \
Guenter Roeckbce26c52011-02-04 12:54:14 -08001231 int err; \
1232 long val; \
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001233 err = kstrtol(buf, 10, &val); \
Guenter Roeckbce26c52011-02-04 12:54:14 -08001234 if (err < 0) \
1235 return err; \
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001236 mutex_lock(&data->update_lock); \
Jean Delvarec5794cf2011-10-20 03:13:31 -04001237 data->reg[nr] = LM75_TEMP_TO_REG(val); \
1238 w83627ehf_write_temp(data, data->addr[nr], data->reg[nr]); \
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001239 mutex_unlock(&data->update_lock); \
Jean Delvare08e7e272005-04-25 22:43:25 +02001240 return count; \
1241}
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001242store_temp_reg(reg_temp_over, temp_max);
1243store_temp_reg(reg_temp_hyst, temp_max_hyst);
Jean Delvare08e7e272005-04-25 22:43:25 +02001244
Jean Delvareda667362007-06-24 11:21:02 +02001245static ssize_t
Guenter Roeck840e1912012-02-08 09:29:11 -08001246show_temp_offset(struct device *dev, struct device_attribute *attr, char *buf)
1247{
1248 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1249 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1250
1251 return sprintf(buf, "%d\n",
1252 data->temp_offset[sensor_attr->index] * 1000);
1253}
1254
1255static ssize_t
1256store_temp_offset(struct device *dev, struct device_attribute *attr,
1257 const char *buf, size_t count)
1258{
1259 struct w83627ehf_data *data = dev_get_drvdata(dev);
1260 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1261 int nr = sensor_attr->index;
1262 long val;
1263 int err;
1264
1265 err = kstrtol(buf, 10, &val);
1266 if (err < 0)
1267 return err;
1268
Guenter Roeck2a844c12013-01-09 08:09:34 -08001269 val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127);
Guenter Roeck840e1912012-02-08 09:29:11 -08001270
1271 mutex_lock(&data->update_lock);
1272 data->temp_offset[nr] = val;
1273 w83627ehf_write_value(data, W83627EHF_REG_TEMP_OFFSET[nr], val);
1274 mutex_unlock(&data->update_lock);
1275 return count;
1276}
1277
1278static ssize_t
Jean Delvareda667362007-06-24 11:21:02 +02001279show_temp_type(struct device *dev, struct device_attribute *attr, char *buf)
1280{
1281 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1282 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1283 int nr = sensor_attr->index;
1284 return sprintf(buf, "%d\n", (int)data->temp_type[nr]);
1285}
1286
Gong Juna157d062009-03-30 21:46:43 +02001287static struct sensor_device_attribute sda_temp_input[] = {
Guenter Roeckbce26c52011-02-04 12:54:14 -08001288 SENSOR_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0),
1289 SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1),
1290 SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2),
Guenter Roeckd36cf322011-02-07 15:08:54 -08001291 SENSOR_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3),
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001292 SENSOR_ATTR(temp5_input, S_IRUGO, show_temp, NULL, 4),
1293 SENSOR_ATTR(temp6_input, S_IRUGO, show_temp, NULL, 5),
1294 SENSOR_ATTR(temp7_input, S_IRUGO, show_temp, NULL, 6),
1295 SENSOR_ATTR(temp8_input, S_IRUGO, show_temp, NULL, 7),
1296 SENSOR_ATTR(temp9_input, S_IRUGO, show_temp, NULL, 8),
Guenter Roeckd36cf322011-02-07 15:08:54 -08001297};
1298
1299static struct sensor_device_attribute sda_temp_label[] = {
1300 SENSOR_ATTR(temp1_label, S_IRUGO, show_temp_label, NULL, 0),
1301 SENSOR_ATTR(temp2_label, S_IRUGO, show_temp_label, NULL, 1),
1302 SENSOR_ATTR(temp3_label, S_IRUGO, show_temp_label, NULL, 2),
1303 SENSOR_ATTR(temp4_label, S_IRUGO, show_temp_label, NULL, 3),
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001304 SENSOR_ATTR(temp5_label, S_IRUGO, show_temp_label, NULL, 4),
1305 SENSOR_ATTR(temp6_label, S_IRUGO, show_temp_label, NULL, 5),
1306 SENSOR_ATTR(temp7_label, S_IRUGO, show_temp_label, NULL, 6),
1307 SENSOR_ATTR(temp8_label, S_IRUGO, show_temp_label, NULL, 7),
1308 SENSOR_ATTR(temp9_label, S_IRUGO, show_temp_label, NULL, 8),
Gong Juna157d062009-03-30 21:46:43 +02001309};
1310
1311static struct sensor_device_attribute sda_temp_max[] = {
Guenter Roeckbce26c52011-02-04 12:54:14 -08001312 SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp_max,
Yuan Mu412fec82006-02-05 23:24:16 +01001313 store_temp_max, 0),
Guenter Roeckbce26c52011-02-04 12:54:14 -08001314 SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, show_temp_max,
Yuan Mu412fec82006-02-05 23:24:16 +01001315 store_temp_max, 1),
Guenter Roeckbce26c52011-02-04 12:54:14 -08001316 SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, show_temp_max,
1317 store_temp_max, 2),
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001318 SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR, show_temp_max,
1319 store_temp_max, 3),
1320 SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR, show_temp_max,
1321 store_temp_max, 4),
1322 SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR, show_temp_max,
1323 store_temp_max, 5),
1324 SENSOR_ATTR(temp7_max, S_IRUGO | S_IWUSR, show_temp_max,
1325 store_temp_max, 6),
1326 SENSOR_ATTR(temp8_max, S_IRUGO | S_IWUSR, show_temp_max,
1327 store_temp_max, 7),
1328 SENSOR_ATTR(temp9_max, S_IRUGO | S_IWUSR, show_temp_max,
1329 store_temp_max, 8),
Gong Juna157d062009-03-30 21:46:43 +02001330};
1331
1332static struct sensor_device_attribute sda_temp_max_hyst[] = {
Guenter Roeckbce26c52011-02-04 12:54:14 -08001333 SENSOR_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
Yuan Mu412fec82006-02-05 23:24:16 +01001334 store_temp_max_hyst, 0),
Guenter Roeckbce26c52011-02-04 12:54:14 -08001335 SENSOR_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
Yuan Mu412fec82006-02-05 23:24:16 +01001336 store_temp_max_hyst, 1),
Guenter Roeckbce26c52011-02-04 12:54:14 -08001337 SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1338 store_temp_max_hyst, 2),
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001339 SENSOR_ATTR(temp4_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1340 store_temp_max_hyst, 3),
1341 SENSOR_ATTR(temp5_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1342 store_temp_max_hyst, 4),
1343 SENSOR_ATTR(temp6_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1344 store_temp_max_hyst, 5),
1345 SENSOR_ATTR(temp7_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1346 store_temp_max_hyst, 6),
1347 SENSOR_ATTR(temp8_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1348 store_temp_max_hyst, 7),
1349 SENSOR_ATTR(temp9_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1350 store_temp_max_hyst, 8),
Gong Juna157d062009-03-30 21:46:43 +02001351};
1352
1353static struct sensor_device_attribute sda_temp_alarm[] = {
Jean Delvarea4589db2006-03-23 16:30:29 +01001354 SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4),
1355 SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5),
1356 SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13),
Gong Juna157d062009-03-30 21:46:43 +02001357};
1358
1359static struct sensor_device_attribute sda_temp_type[] = {
Jean Delvareda667362007-06-24 11:21:02 +02001360 SENSOR_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0),
1361 SENSOR_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1),
1362 SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2),
Yuan Mu412fec82006-02-05 23:24:16 +01001363};
Jean Delvare08e7e272005-04-25 22:43:25 +02001364
Guenter Roeck840e1912012-02-08 09:29:11 -08001365static struct sensor_device_attribute sda_temp_offset[] = {
1366 SENSOR_ATTR(temp1_offset, S_IRUGO | S_IWUSR, show_temp_offset,
1367 store_temp_offset, 0),
1368 SENSOR_ATTR(temp2_offset, S_IRUGO | S_IWUSR, show_temp_offset,
1369 store_temp_offset, 1),
1370 SENSOR_ATTR(temp3_offset, S_IRUGO | S_IWUSR, show_temp_offset,
1371 store_temp_offset, 2),
1372};
1373
Rudolf Marek08c79952006-07-05 18:14:31 +02001374#define show_pwm_reg(reg) \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001375static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
1376 char *buf) \
Rudolf Marek08c79952006-07-05 18:14:31 +02001377{ \
1378 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001379 struct sensor_device_attribute *sensor_attr = \
1380 to_sensor_dev_attr(attr); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001381 int nr = sensor_attr->index; \
1382 return sprintf(buf, "%d\n", data->reg[nr]); \
1383}
1384
1385show_pwm_reg(pwm_mode)
1386show_pwm_reg(pwm_enable)
1387show_pwm_reg(pwm)
1388
1389static ssize_t
1390store_pwm_mode(struct device *dev, struct device_attribute *attr,
1391 const char *buf, size_t count)
1392{
David Hubbard1ea6dd32007-06-24 11:16:15 +02001393 struct w83627ehf_data *data = dev_get_drvdata(dev);
Rudolf Marek08c79952006-07-05 18:14:31 +02001394 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
Jingoo Hana8b3a3a2013-07-30 17:13:06 +09001395 struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
Rudolf Marek08c79952006-07-05 18:14:31 +02001396 int nr = sensor_attr->index;
Guenter Roeckbce26c52011-02-04 12:54:14 -08001397 unsigned long val;
1398 int err;
Rudolf Marek08c79952006-07-05 18:14:31 +02001399 u16 reg;
1400
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001401 err = kstrtoul(buf, 10, &val);
Guenter Roeckbce26c52011-02-04 12:54:14 -08001402 if (err < 0)
1403 return err;
1404
Rudolf Marek08c79952006-07-05 18:14:31 +02001405 if (val > 1)
1406 return -EINVAL;
Guenter Roeckad77c3e2012-01-27 17:56:06 -08001407
1408 /* On NCT67766F, DC mode is only supported for pwm1 */
1409 if (sio_data->kind == nct6776 && nr && val != 1)
1410 return -EINVAL;
1411
Rudolf Marek08c79952006-07-05 18:14:31 +02001412 mutex_lock(&data->update_lock);
David Hubbard1ea6dd32007-06-24 11:16:15 +02001413 reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]);
Rudolf Marek08c79952006-07-05 18:14:31 +02001414 data->pwm_mode[nr] = val;
1415 reg &= ~(1 << W83627EHF_PWM_MODE_SHIFT[nr]);
1416 if (!val)
1417 reg |= 1 << W83627EHF_PWM_MODE_SHIFT[nr];
David Hubbard1ea6dd32007-06-24 11:16:15 +02001418 w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg);
Rudolf Marek08c79952006-07-05 18:14:31 +02001419 mutex_unlock(&data->update_lock);
1420 return count;
1421}
1422
1423static ssize_t
1424store_pwm(struct device *dev, struct device_attribute *attr,
1425 const char *buf, size_t count)
1426{
David Hubbard1ea6dd32007-06-24 11:16:15 +02001427 struct w83627ehf_data *data = dev_get_drvdata(dev);
Rudolf Marek08c79952006-07-05 18:14:31 +02001428 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1429 int nr = sensor_attr->index;
Guenter Roeckbce26c52011-02-04 12:54:14 -08001430 unsigned long val;
1431 int err;
1432
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001433 err = kstrtoul(buf, 10, &val);
Guenter Roeckbce26c52011-02-04 12:54:14 -08001434 if (err < 0)
1435 return err;
1436
Guenter Roeck2a844c12013-01-09 08:09:34 -08001437 val = clamp_val(val, 0, 255);
Rudolf Marek08c79952006-07-05 18:14:31 +02001438
1439 mutex_lock(&data->update_lock);
1440 data->pwm[nr] = val;
Guenter Roeck279af1a2011-02-13 22:34:47 -08001441 w83627ehf_write_value(data, data->REG_PWM[nr], val);
Rudolf Marek08c79952006-07-05 18:14:31 +02001442 mutex_unlock(&data->update_lock);
1443 return count;
1444}
1445
1446static ssize_t
1447store_pwm_enable(struct device *dev, struct device_attribute *attr,
1448 const char *buf, size_t count)
1449{
David Hubbard1ea6dd32007-06-24 11:16:15 +02001450 struct w83627ehf_data *data = dev_get_drvdata(dev);
Jingoo Hana8b3a3a2013-07-30 17:13:06 +09001451 struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
Rudolf Marek08c79952006-07-05 18:14:31 +02001452 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1453 int nr = sensor_attr->index;
Guenter Roeckbce26c52011-02-04 12:54:14 -08001454 unsigned long val;
1455 int err;
Rudolf Marek08c79952006-07-05 18:14:31 +02001456 u16 reg;
1457
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001458 err = kstrtoul(buf, 10, &val);
Guenter Roeckbce26c52011-02-04 12:54:14 -08001459 if (err < 0)
1460 return err;
1461
Guenter Roeckb84bb512011-02-13 23:01:25 -08001462 if (!val || (val > 4 && val != data->pwm_enable_orig[nr]))
Rudolf Marek08c79952006-07-05 18:14:31 +02001463 return -EINVAL;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001464 /* SmartFan III mode is not supported on NCT6776F */
1465 if (sio_data->kind == nct6776 && val == 4)
1466 return -EINVAL;
1467
Rudolf Marek08c79952006-07-05 18:14:31 +02001468 mutex_lock(&data->update_lock);
Rudolf Marek08c79952006-07-05 18:14:31 +02001469 data->pwm_enable[nr] = val;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001470 if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
1471 reg = w83627ehf_read_value(data,
1472 NCT6775_REG_FAN_MODE[nr]);
1473 reg &= 0x0f;
1474 reg |= (val - 1) << 4;
1475 w83627ehf_write_value(data,
1476 NCT6775_REG_FAN_MODE[nr], reg);
1477 } else {
1478 reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]);
1479 reg &= ~(0x03 << W83627EHF_PWM_ENABLE_SHIFT[nr]);
1480 reg |= (val - 1) << W83627EHF_PWM_ENABLE_SHIFT[nr];
1481 w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg);
1482 }
Rudolf Marek08c79952006-07-05 18:14:31 +02001483 mutex_unlock(&data->update_lock);
1484 return count;
1485}
1486
1487
1488#define show_tol_temp(reg) \
1489static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
1490 char *buf) \
1491{ \
1492 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001493 struct sensor_device_attribute *sensor_attr = \
1494 to_sensor_dev_attr(attr); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001495 int nr = sensor_attr->index; \
Guenter Roeckbce26c52011-02-04 12:54:14 -08001496 return sprintf(buf, "%d\n", data->reg[nr] * 1000); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001497}
1498
1499show_tol_temp(tolerance)
1500show_tol_temp(target_temp)
1501
1502static ssize_t
1503store_target_temp(struct device *dev, struct device_attribute *attr,
1504 const char *buf, size_t count)
1505{
David Hubbard1ea6dd32007-06-24 11:16:15 +02001506 struct w83627ehf_data *data = dev_get_drvdata(dev);
Rudolf Marek08c79952006-07-05 18:14:31 +02001507 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1508 int nr = sensor_attr->index;
Guenter Roeckbce26c52011-02-04 12:54:14 -08001509 long val;
1510 int err;
1511
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001512 err = kstrtol(buf, 10, &val);
Guenter Roeckbce26c52011-02-04 12:54:14 -08001513 if (err < 0)
1514 return err;
1515
Guenter Roeck2a844c12013-01-09 08:09:34 -08001516 val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 127);
Rudolf Marek08c79952006-07-05 18:14:31 +02001517
1518 mutex_lock(&data->update_lock);
1519 data->target_temp[nr] = val;
Guenter Roeck279af1a2011-02-13 22:34:47 -08001520 w83627ehf_write_value(data, data->REG_TARGET[nr], val);
Rudolf Marek08c79952006-07-05 18:14:31 +02001521 mutex_unlock(&data->update_lock);
1522 return count;
1523}
1524
1525static ssize_t
1526store_tolerance(struct device *dev, struct device_attribute *attr,
1527 const char *buf, size_t count)
1528{
David Hubbard1ea6dd32007-06-24 11:16:15 +02001529 struct w83627ehf_data *data = dev_get_drvdata(dev);
Jingoo Hana8b3a3a2013-07-30 17:13:06 +09001530 struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
Rudolf Marek08c79952006-07-05 18:14:31 +02001531 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1532 int nr = sensor_attr->index;
1533 u16 reg;
Guenter Roeckbce26c52011-02-04 12:54:14 -08001534 long val;
1535 int err;
1536
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001537 err = kstrtol(buf, 10, &val);
Guenter Roeckbce26c52011-02-04 12:54:14 -08001538 if (err < 0)
1539 return err;
1540
Rudolf Marek08c79952006-07-05 18:14:31 +02001541 /* Limit the temp to 0C - 15C */
Guenter Roeck2a844c12013-01-09 08:09:34 -08001542 val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 15);
Rudolf Marek08c79952006-07-05 18:14:31 +02001543
1544 mutex_lock(&data->update_lock);
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001545 if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
1546 /* Limit tolerance further for NCT6776F */
1547 if (sio_data->kind == nct6776 && val > 7)
1548 val = 7;
1549 reg = w83627ehf_read_value(data, NCT6775_REG_FAN_MODE[nr]);
Rudolf Marek08c79952006-07-05 18:14:31 +02001550 reg = (reg & 0xf0) | val;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001551 w83627ehf_write_value(data, NCT6775_REG_FAN_MODE[nr], reg);
1552 } else {
1553 reg = w83627ehf_read_value(data, W83627EHF_REG_TOLERANCE[nr]);
1554 if (nr == 1)
1555 reg = (reg & 0x0f) | (val << 4);
1556 else
1557 reg = (reg & 0xf0) | val;
1558 w83627ehf_write_value(data, W83627EHF_REG_TOLERANCE[nr], reg);
1559 }
1560 data->tolerance[nr] = val;
Rudolf Marek08c79952006-07-05 18:14:31 +02001561 mutex_unlock(&data->update_lock);
1562 return count;
1563}
1564
1565static struct sensor_device_attribute sda_pwm[] = {
1566 SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0),
1567 SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1),
1568 SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2),
1569 SENSOR_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3),
1570};
1571
1572static struct sensor_device_attribute sda_pwm_mode[] = {
1573 SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
1574 store_pwm_mode, 0),
1575 SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
1576 store_pwm_mode, 1),
1577 SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
1578 store_pwm_mode, 2),
1579 SENSOR_ATTR(pwm4_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
1580 store_pwm_mode, 3),
1581};
1582
1583static struct sensor_device_attribute sda_pwm_enable[] = {
1584 SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
1585 store_pwm_enable, 0),
1586 SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
1587 store_pwm_enable, 1),
1588 SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
1589 store_pwm_enable, 2),
1590 SENSOR_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
1591 store_pwm_enable, 3),
1592};
1593
1594static struct sensor_device_attribute sda_target_temp[] = {
1595 SENSOR_ATTR(pwm1_target, S_IWUSR | S_IRUGO, show_target_temp,
1596 store_target_temp, 0),
1597 SENSOR_ATTR(pwm2_target, S_IWUSR | S_IRUGO, show_target_temp,
1598 store_target_temp, 1),
1599 SENSOR_ATTR(pwm3_target, S_IWUSR | S_IRUGO, show_target_temp,
1600 store_target_temp, 2),
1601 SENSOR_ATTR(pwm4_target, S_IWUSR | S_IRUGO, show_target_temp,
1602 store_target_temp, 3),
1603};
1604
1605static struct sensor_device_attribute sda_tolerance[] = {
1606 SENSOR_ATTR(pwm1_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
1607 store_tolerance, 0),
1608 SENSOR_ATTR(pwm2_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
1609 store_tolerance, 1),
1610 SENSOR_ATTR(pwm3_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
1611 store_tolerance, 2),
1612 SENSOR_ATTR(pwm4_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
1613 store_tolerance, 3),
1614};
1615
Rudolf Marek08c79952006-07-05 18:14:31 +02001616/* Smart Fan registers */
1617
1618#define fan_functions(reg, REG) \
1619static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
1620 char *buf) \
1621{ \
1622 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001623 struct sensor_device_attribute *sensor_attr = \
1624 to_sensor_dev_attr(attr); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001625 int nr = sensor_attr->index; \
1626 return sprintf(buf, "%d\n", data->reg[nr]); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001627} \
Rudolf Marek08c79952006-07-05 18:14:31 +02001628static ssize_t \
1629store_##reg(struct device *dev, struct device_attribute *attr, \
1630 const char *buf, size_t count) \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001631{ \
David Hubbard1ea6dd32007-06-24 11:16:15 +02001632 struct w83627ehf_data *data = dev_get_drvdata(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001633 struct sensor_device_attribute *sensor_attr = \
1634 to_sensor_dev_attr(attr); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001635 int nr = sensor_attr->index; \
Guenter Roeckbce26c52011-02-04 12:54:14 -08001636 unsigned long val; \
1637 int err; \
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001638 err = kstrtoul(buf, 10, &val); \
Guenter Roeckbce26c52011-02-04 12:54:14 -08001639 if (err < 0) \
1640 return err; \
Guenter Roeck2a844c12013-01-09 08:09:34 -08001641 val = clamp_val(val, 1, 255); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001642 mutex_lock(&data->update_lock); \
1643 data->reg[nr] = val; \
Guenter Roeckda2e0252010-08-14 21:08:55 +02001644 w83627ehf_write_value(data, data->REG_##REG[nr], val); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001645 mutex_unlock(&data->update_lock); \
1646 return count; \
1647}
1648
Daniel J Blueman41e9a062009-12-14 18:01:37 -08001649fan_functions(fan_start_output, FAN_START_OUTPUT)
1650fan_functions(fan_stop_output, FAN_STOP_OUTPUT)
1651fan_functions(fan_max_output, FAN_MAX_OUTPUT)
1652fan_functions(fan_step_output, FAN_STEP_OUTPUT)
Rudolf Marek08c79952006-07-05 18:14:31 +02001653
1654#define fan_time_functions(reg, REG) \
1655static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
1656 char *buf) \
1657{ \
1658 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001659 struct sensor_device_attribute *sensor_attr = \
1660 to_sensor_dev_attr(attr); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001661 int nr = sensor_attr->index; \
1662 return sprintf(buf, "%d\n", \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001663 step_time_from_reg(data->reg[nr], \
1664 data->pwm_mode[nr])); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001665} \
1666\
1667static ssize_t \
1668store_##reg(struct device *dev, struct device_attribute *attr, \
1669 const char *buf, size_t count) \
1670{ \
David Hubbard1ea6dd32007-06-24 11:16:15 +02001671 struct w83627ehf_data *data = dev_get_drvdata(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001672 struct sensor_device_attribute *sensor_attr = \
1673 to_sensor_dev_attr(attr); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001674 int nr = sensor_attr->index; \
Guenter Roeckbce26c52011-02-04 12:54:14 -08001675 unsigned long val; \
1676 int err; \
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001677 err = kstrtoul(buf, 10, &val); \
Guenter Roeckbce26c52011-02-04 12:54:14 -08001678 if (err < 0) \
1679 return err; \
1680 val = step_time_to_reg(val, data->pwm_mode[nr]); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001681 mutex_lock(&data->update_lock); \
1682 data->reg[nr] = val; \
Guenter Roeck33fa9b62012-03-12 08:21:16 -07001683 w83627ehf_write_value(data, data->REG_##REG[nr], val); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001684 mutex_unlock(&data->update_lock); \
1685 return count; \
1686} \
1687
1688fan_time_functions(fan_stop_time, FAN_STOP_TIME)
1689
David Hubbard1ea6dd32007-06-24 11:16:15 +02001690static ssize_t show_name(struct device *dev, struct device_attribute *attr,
1691 char *buf)
1692{
1693 struct w83627ehf_data *data = dev_get_drvdata(dev);
1694
1695 return sprintf(buf, "%s\n", data->name);
1696}
1697static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
Rudolf Marek08c79952006-07-05 18:14:31 +02001698
1699static struct sensor_device_attribute sda_sf3_arrays_fan4[] = {
1700 SENSOR_ATTR(pwm4_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
1701 store_fan_stop_time, 3),
Daniel J Blueman41e9a062009-12-14 18:01:37 -08001702 SENSOR_ATTR(pwm4_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
1703 store_fan_start_output, 3),
1704 SENSOR_ATTR(pwm4_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
1705 store_fan_stop_output, 3),
1706 SENSOR_ATTR(pwm4_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
1707 store_fan_max_output, 3),
1708 SENSOR_ATTR(pwm4_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
1709 store_fan_step_output, 3),
Rudolf Marek08c79952006-07-05 18:14:31 +02001710};
1711
Jean Delvareeff76872011-11-04 12:00:48 +01001712static struct sensor_device_attribute sda_sf3_arrays_fan3[] = {
1713 SENSOR_ATTR(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
1714 store_fan_stop_time, 2),
1715 SENSOR_ATTR(pwm3_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
1716 store_fan_start_output, 2),
1717 SENSOR_ATTR(pwm3_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
1718 store_fan_stop_output, 2),
1719};
1720
Rudolf Marek08c79952006-07-05 18:14:31 +02001721static struct sensor_device_attribute sda_sf3_arrays[] = {
1722 SENSOR_ATTR(pwm1_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
1723 store_fan_stop_time, 0),
1724 SENSOR_ATTR(pwm2_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
1725 store_fan_stop_time, 1),
Daniel J Blueman41e9a062009-12-14 18:01:37 -08001726 SENSOR_ATTR(pwm1_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
1727 store_fan_start_output, 0),
1728 SENSOR_ATTR(pwm2_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
1729 store_fan_start_output, 1),
Daniel J Blueman41e9a062009-12-14 18:01:37 -08001730 SENSOR_ATTR(pwm1_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
1731 store_fan_stop_output, 0),
1732 SENSOR_ATTR(pwm2_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
1733 store_fan_stop_output, 1),
Guenter Roeckda2e0252010-08-14 21:08:55 +02001734};
Daniel J Blueman41e9a062009-12-14 18:01:37 -08001735
Guenter Roeckda2e0252010-08-14 21:08:55 +02001736
1737/*
1738 * pwm1 and pwm3 don't support max and step settings on all chips.
1739 * Need to check support while generating/removing attribute files.
1740 */
1741static struct sensor_device_attribute sda_sf3_max_step_arrays[] = {
1742 SENSOR_ATTR(pwm1_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
1743 store_fan_max_output, 0),
1744 SENSOR_ATTR(pwm1_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
1745 store_fan_step_output, 0),
Daniel J Blueman41e9a062009-12-14 18:01:37 -08001746 SENSOR_ATTR(pwm2_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
1747 store_fan_max_output, 1),
1748 SENSOR_ATTR(pwm2_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
1749 store_fan_step_output, 1),
Guenter Roeckda2e0252010-08-14 21:08:55 +02001750 SENSOR_ATTR(pwm3_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
1751 store_fan_max_output, 2),
1752 SENSOR_ATTR(pwm3_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
1753 store_fan_step_output, 2),
Rudolf Marek08c79952006-07-05 18:14:31 +02001754};
1755
Jean Delvarefc18d6c2007-06-24 11:19:42 +02001756static ssize_t
1757show_vid(struct device *dev, struct device_attribute *attr, char *buf)
1758{
1759 struct w83627ehf_data *data = dev_get_drvdata(dev);
1760 return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
1761}
1762static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
1763
Dmitry Artamonow363a12a2011-08-12 16:41:11 -04001764
1765/* Case open detection */
1766
1767static ssize_t
1768show_caseopen(struct device *dev, struct device_attribute *attr, char *buf)
1769{
1770 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1771
1772 return sprintf(buf, "%d\n",
1773 !!(data->caseopen & to_sensor_dev_attr_2(attr)->index));
1774}
1775
1776static ssize_t
1777clear_caseopen(struct device *dev, struct device_attribute *attr,
1778 const char *buf, size_t count)
1779{
1780 struct w83627ehf_data *data = dev_get_drvdata(dev);
1781 unsigned long val;
1782 u16 reg, mask;
1783
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001784 if (kstrtoul(buf, 10, &val) || val != 0)
Dmitry Artamonow363a12a2011-08-12 16:41:11 -04001785 return -EINVAL;
1786
1787 mask = to_sensor_dev_attr_2(attr)->nr;
1788
1789 mutex_lock(&data->update_lock);
1790 reg = w83627ehf_read_value(data, W83627EHF_REG_CASEOPEN_CLR);
1791 w83627ehf_write_value(data, W83627EHF_REG_CASEOPEN_CLR, reg | mask);
1792 w83627ehf_write_value(data, W83627EHF_REG_CASEOPEN_CLR, reg & ~mask);
1793 data->valid = 0; /* Force cache refresh */
1794 mutex_unlock(&data->update_lock);
1795
1796 return count;
1797}
1798
1799static struct sensor_device_attribute_2 sda_caseopen[] = {
1800 SENSOR_ATTR_2(intrusion0_alarm, S_IWUSR | S_IRUGO, show_caseopen,
1801 clear_caseopen, 0x80, 0x10),
1802 SENSOR_ATTR_2(intrusion1_alarm, S_IWUSR | S_IRUGO, show_caseopen,
1803 clear_caseopen, 0x40, 0x40),
1804};
1805
Jean Delvare08e7e272005-04-25 22:43:25 +02001806/*
David Hubbard1ea6dd32007-06-24 11:16:15 +02001807 * Driver and device management
Jean Delvare08e7e272005-04-25 22:43:25 +02001808 */
1809
David Hubbardc18beb52006-09-24 21:04:38 +02001810static void w83627ehf_device_remove_files(struct device *dev)
1811{
Guenter Roeck8969e842012-01-19 11:02:27 -08001812 /*
1813 * some entries in the following arrays may not have been used in
1814 * device_create_file(), but device_remove_file() will ignore them
1815 */
David Hubbardc18beb52006-09-24 21:04:38 +02001816 int i;
David Hubbard1ea6dd32007-06-24 11:16:15 +02001817 struct w83627ehf_data *data = dev_get_drvdata(dev);
David Hubbardc18beb52006-09-24 21:04:38 +02001818
1819 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++)
1820 device_remove_file(dev, &sda_sf3_arrays[i].dev_attr);
Guenter Roeckda2e0252010-08-14 21:08:55 +02001821 for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) {
1822 struct sensor_device_attribute *attr =
1823 &sda_sf3_max_step_arrays[i];
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001824 if (data->REG_FAN_STEP_OUTPUT &&
1825 data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff)
Guenter Roeckda2e0252010-08-14 21:08:55 +02001826 device_remove_file(dev, &attr->dev_attr);
1827 }
Jean Delvareeff76872011-11-04 12:00:48 +01001828 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan3); i++)
1829 device_remove_file(dev, &sda_sf3_arrays_fan3[i].dev_attr);
David Hubbardc18beb52006-09-24 21:04:38 +02001830 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++)
1831 device_remove_file(dev, &sda_sf3_arrays_fan4[i].dev_attr);
David Hubbard1ea6dd32007-06-24 11:16:15 +02001832 for (i = 0; i < data->in_num; i++) {
Gong Juna157d062009-03-30 21:46:43 +02001833 if ((i == 6) && data->in6_skip)
1834 continue;
David Hubbardc18beb52006-09-24 21:04:38 +02001835 device_remove_file(dev, &sda_in_input[i].dev_attr);
1836 device_remove_file(dev, &sda_in_alarm[i].dev_attr);
1837 device_remove_file(dev, &sda_in_min[i].dev_attr);
1838 device_remove_file(dev, &sda_in_max[i].dev_attr);
1839 }
1840 for (i = 0; i < 5; i++) {
1841 device_remove_file(dev, &sda_fan_input[i].dev_attr);
1842 device_remove_file(dev, &sda_fan_alarm[i].dev_attr);
1843 device_remove_file(dev, &sda_fan_div[i].dev_attr);
1844 device_remove_file(dev, &sda_fan_min[i].dev_attr);
1845 }
Gong Jun237c8d2f2009-03-30 21:46:42 +02001846 for (i = 0; i < data->pwm_num; i++) {
David Hubbardc18beb52006-09-24 21:04:38 +02001847 device_remove_file(dev, &sda_pwm[i].dev_attr);
1848 device_remove_file(dev, &sda_pwm_mode[i].dev_attr);
1849 device_remove_file(dev, &sda_pwm_enable[i].dev_attr);
1850 device_remove_file(dev, &sda_target_temp[i].dev_attr);
1851 device_remove_file(dev, &sda_tolerance[i].dev_attr);
1852 }
Guenter Roeckd36cf322011-02-07 15:08:54 -08001853 for (i = 0; i < NUM_REG_TEMP; i++) {
1854 if (!(data->have_temp & (1 << i)))
Gong Juna157d062009-03-30 21:46:43 +02001855 continue;
1856 device_remove_file(dev, &sda_temp_input[i].dev_attr);
Guenter Roeckd36cf322011-02-07 15:08:54 -08001857 device_remove_file(dev, &sda_temp_label[i].dev_attr);
Jean Delvareeff76872011-11-04 12:00:48 +01001858 if (i == 2 && data->temp3_val_only)
1859 continue;
Gong Juna157d062009-03-30 21:46:43 +02001860 device_remove_file(dev, &sda_temp_max[i].dev_attr);
1861 device_remove_file(dev, &sda_temp_max_hyst[i].dev_attr);
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001862 if (i > 2)
1863 continue;
Gong Juna157d062009-03-30 21:46:43 +02001864 device_remove_file(dev, &sda_temp_alarm[i].dev_attr);
1865 device_remove_file(dev, &sda_temp_type[i].dev_attr);
Guenter Roeck840e1912012-02-08 09:29:11 -08001866 device_remove_file(dev, &sda_temp_offset[i].dev_attr);
Gong Juna157d062009-03-30 21:46:43 +02001867 }
David Hubbard1ea6dd32007-06-24 11:16:15 +02001868
Dmitry Artamonow363a12a2011-08-12 16:41:11 -04001869 device_remove_file(dev, &sda_caseopen[0].dev_attr);
1870 device_remove_file(dev, &sda_caseopen[1].dev_attr);
1871
David Hubbard1ea6dd32007-06-24 11:16:15 +02001872 device_remove_file(dev, &dev_attr_name);
Jean Delvarecbe311f2008-01-03 21:22:44 +01001873 device_remove_file(dev, &dev_attr_cpu0_vid);
David Hubbardc18beb52006-09-24 21:04:38 +02001874}
1875
David Hubbard1ea6dd32007-06-24 11:16:15 +02001876/* Get the monitoring functions started */
Bill Pemberton6c931ae2012-11-19 13:22:35 -05001877static inline void w83627ehf_init_device(struct w83627ehf_data *data,
Jean Delvarebf164c52011-10-13 15:49:08 -04001878 enum kinds kind)
Jean Delvare08e7e272005-04-25 22:43:25 +02001879{
1880 int i;
Jean Delvareda667362007-06-24 11:21:02 +02001881 u8 tmp, diode;
Jean Delvare08e7e272005-04-25 22:43:25 +02001882
1883 /* Start monitoring is needed */
David Hubbard1ea6dd32007-06-24 11:16:15 +02001884 tmp = w83627ehf_read_value(data, W83627EHF_REG_CONFIG);
Jean Delvare08e7e272005-04-25 22:43:25 +02001885 if (!(tmp & 0x01))
David Hubbard1ea6dd32007-06-24 11:16:15 +02001886 w83627ehf_write_value(data, W83627EHF_REG_CONFIG,
Jean Delvare08e7e272005-04-25 22:43:25 +02001887 tmp | 0x01);
1888
Guenter Roeckd36cf322011-02-07 15:08:54 -08001889 /* Enable temperature sensors if needed */
1890 for (i = 0; i < NUM_REG_TEMP; i++) {
1891 if (!(data->have_temp & (1 << i)))
1892 continue;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001893 if (!data->reg_temp_config[i])
Guenter Roeckd36cf322011-02-07 15:08:54 -08001894 continue;
David Hubbard1ea6dd32007-06-24 11:16:15 +02001895 tmp = w83627ehf_read_value(data,
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001896 data->reg_temp_config[i]);
Jean Delvare08e7e272005-04-25 22:43:25 +02001897 if (tmp & 0x01)
David Hubbard1ea6dd32007-06-24 11:16:15 +02001898 w83627ehf_write_value(data,
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001899 data->reg_temp_config[i],
Jean Delvare08e7e272005-04-25 22:43:25 +02001900 tmp & 0xfe);
1901 }
Jean Delvared3130f02007-06-24 11:20:13 +02001902
1903 /* Enable VBAT monitoring if needed */
1904 tmp = w83627ehf_read_value(data, W83627EHF_REG_VBAT);
1905 if (!(tmp & 0x01))
1906 w83627ehf_write_value(data, W83627EHF_REG_VBAT, tmp | 0x01);
Jean Delvareda667362007-06-24 11:21:02 +02001907
1908 /* Get thermal sensor types */
Jean Delvarebf164c52011-10-13 15:49:08 -04001909 switch (kind) {
1910 case w83627ehf:
1911 diode = w83627ehf_read_value(data, W83627EHF_REG_DIODE);
1912 break;
Jean Delvareeff76872011-11-04 12:00:48 +01001913 case w83627uhg:
1914 diode = 0x00;
1915 break;
Jean Delvarebf164c52011-10-13 15:49:08 -04001916 default:
1917 diode = 0x70;
1918 }
Jean Delvareda667362007-06-24 11:21:02 +02001919 for (i = 0; i < 3; i++) {
Guenter Roeckbfa02b02011-11-06 20:25:18 +01001920 const char *label = NULL;
1921
1922 if (data->temp_label)
1923 label = data->temp_label[data->temp_src[i]];
Jean Delvare2265cef2011-11-04 12:00:47 +01001924
1925 /* Digital source overrides analog type */
Guenter Roeckbfa02b02011-11-06 20:25:18 +01001926 if (label && strncmp(label, "PECI", 4) == 0)
Jean Delvare2265cef2011-11-04 12:00:47 +01001927 data->temp_type[i] = 6;
Guenter Roeckbfa02b02011-11-06 20:25:18 +01001928 else if (label && strncmp(label, "AMD", 3) == 0)
Jean Delvare2265cef2011-11-04 12:00:47 +01001929 data->temp_type[i] = 5;
1930 else if ((tmp & (0x02 << i)))
Jean Delvarebf164c52011-10-13 15:49:08 -04001931 data->temp_type[i] = (diode & (0x10 << i)) ? 1 : 3;
Jean Delvareda667362007-06-24 11:21:02 +02001932 else
1933 data->temp_type[i] = 4; /* thermistor */
1934 }
Jean Delvare08e7e272005-04-25 22:43:25 +02001935}
1936
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001937static void w82627ehf_swap_tempreg(struct w83627ehf_data *data,
1938 int r1, int r2)
1939{
1940 u16 tmp;
1941
1942 tmp = data->temp_src[r1];
1943 data->temp_src[r1] = data->temp_src[r2];
1944 data->temp_src[r2] = tmp;
1945
1946 tmp = data->reg_temp[r1];
1947 data->reg_temp[r1] = data->reg_temp[r2];
1948 data->reg_temp[r2] = tmp;
1949
1950 tmp = data->reg_temp_over[r1];
1951 data->reg_temp_over[r1] = data->reg_temp_over[r2];
1952 data->reg_temp_over[r2] = tmp;
1953
1954 tmp = data->reg_temp_hyst[r1];
1955 data->reg_temp_hyst[r1] = data->reg_temp_hyst[r2];
1956 data->reg_temp_hyst[r2] = tmp;
1957
1958 tmp = data->reg_temp_config[r1];
1959 data->reg_temp_config[r1] = data->reg_temp_config[r2];
1960 data->reg_temp_config[r2] = tmp;
1961}
1962
Bill Pemberton6c931ae2012-11-19 13:22:35 -05001963static void
Jean Delvare6ba71de2011-11-04 12:00:47 +01001964w83627ehf_set_temp_reg_ehf(struct w83627ehf_data *data, int n_temp)
1965{
1966 int i;
1967
1968 for (i = 0; i < n_temp; i++) {
1969 data->reg_temp[i] = W83627EHF_REG_TEMP[i];
1970 data->reg_temp_over[i] = W83627EHF_REG_TEMP_OVER[i];
1971 data->reg_temp_hyst[i] = W83627EHF_REG_TEMP_HYST[i];
1972 data->reg_temp_config[i] = W83627EHF_REG_TEMP_CONFIG[i];
1973 }
1974}
1975
Bill Pemberton6c931ae2012-11-19 13:22:35 -05001976static void
Jean Delvare03f5de22011-10-13 10:43:14 -04001977w83627ehf_check_fan_inputs(const struct w83627ehf_sio_data *sio_data,
1978 struct w83627ehf_data *data)
1979{
1980 int fan3pin, fan4pin, fan4min, fan5pin, regval;
1981
Jean Delvareeff76872011-11-04 12:00:48 +01001982 /* The W83627UHG is simple, only two fan inputs, no config */
1983 if (sio_data->kind == w83627uhg) {
1984 data->has_fan = 0x03; /* fan1 and fan2 */
1985 data->has_fan_min = 0x03;
1986 return;
1987 }
1988
Jean Delvare03f5de22011-10-13 10:43:14 -04001989 superio_enter(sio_data->sioreg);
1990
1991 /* fan4 and fan5 share some pins with the GPIO and serial flash */
1992 if (sio_data->kind == nct6775) {
1993 /* On NCT6775, fan4 shares pins with the fdc interface */
1994 fan3pin = 1;
1995 fan4pin = !(superio_inb(sio_data->sioreg, 0x2A) & 0x80);
1996 fan4min = 0;
1997 fan5pin = 0;
1998 } else if (sio_data->kind == nct6776) {
Guenter Roeck585c0fd2012-01-27 05:43:59 -08001999 bool gpok = superio_inb(sio_data->sioreg, 0x27) & 0x80;
2000
2001 superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
2002 regval = superio_inb(sio_data->sioreg, SIO_REG_ENABLE);
2003
2004 if (regval & 0x80)
2005 fan3pin = gpok;
2006 else
2007 fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
2008
2009 if (regval & 0x40)
2010 fan4pin = gpok;
2011 else
2012 fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01);
2013
2014 if (regval & 0x20)
2015 fan5pin = gpok;
2016 else
2017 fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02);
2018
Jean Delvare03f5de22011-10-13 10:43:14 -04002019 fan4min = fan4pin;
2020 } else if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
2021 fan3pin = 1;
2022 fan4pin = superio_inb(sio_data->sioreg, 0x27) & 0x40;
2023 fan5pin = superio_inb(sio_data->sioreg, 0x27) & 0x20;
2024 fan4min = fan4pin;
2025 } else {
2026 fan3pin = 1;
2027 fan4pin = !(superio_inb(sio_data->sioreg, 0x29) & 0x06);
2028 fan5pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x02);
2029 fan4min = fan4pin;
2030 }
2031
2032 superio_exit(sio_data->sioreg);
2033
2034 data->has_fan = data->has_fan_min = 0x03; /* fan1 and fan2 */
2035 data->has_fan |= (fan3pin << 2);
2036 data->has_fan_min |= (fan3pin << 2);
2037
2038 if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
2039 /*
2040 * NCT6775F and NCT6776F don't have the W83627EHF_REG_FANDIV1
2041 * register
2042 */
2043 data->has_fan |= (fan4pin << 3) | (fan5pin << 4);
2044 data->has_fan_min |= (fan4min << 3) | (fan5pin << 4);
2045 } else {
2046 /*
2047 * It looks like fan4 and fan5 pins can be alternatively used
2048 * as fan on/off switches, but fan5 control is write only :/
2049 * We assume that if the serial interface is disabled, designers
2050 * connected fan5 as input unless they are emitting log 1, which
2051 * is not the default.
2052 */
2053 regval = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1);
2054 if ((regval & (1 << 2)) && fan4pin) {
2055 data->has_fan |= (1 << 3);
2056 data->has_fan_min |= (1 << 3);
2057 }
2058 if (!(regval & (1 << 1)) && fan5pin) {
2059 data->has_fan |= (1 << 4);
2060 data->has_fan_min |= (1 << 4);
2061 }
2062 }
2063}
2064
Bill Pemberton6c931ae2012-11-19 13:22:35 -05002065static int w83627ehf_probe(struct platform_device *pdev)
Jean Delvare08e7e272005-04-25 22:43:25 +02002066{
David Hubbard1ea6dd32007-06-24 11:16:15 +02002067 struct device *dev = &pdev->dev;
Jingoo Hana8b3a3a2013-07-30 17:13:06 +09002068 struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
Jean Delvare08e7e272005-04-25 22:43:25 +02002069 struct w83627ehf_data *data;
David Hubbard1ea6dd32007-06-24 11:16:15 +02002070 struct resource *res;
Jean Delvare03f5de22011-10-13 10:43:14 -04002071 u8 en_vrm10;
Jean Delvare08e7e272005-04-25 22:43:25 +02002072 int i, err = 0;
2073
David Hubbard1ea6dd32007-06-24 11:16:15 +02002074 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
2075 if (!request_region(res->start, IOREGION_LENGTH, DRVNAME)) {
Jean Delvare08e7e272005-04-25 22:43:25 +02002076 err = -EBUSY;
David Hubbard1ea6dd32007-06-24 11:16:15 +02002077 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
2078 (unsigned long)res->start,
2079 (unsigned long)res->start + IOREGION_LENGTH - 1);
Jean Delvare08e7e272005-04-25 22:43:25 +02002080 goto exit;
2081 }
2082
Guenter Roeck32260d92012-03-12 08:33:10 -07002083 data = devm_kzalloc(&pdev->dev, sizeof(struct w83627ehf_data),
2084 GFP_KERNEL);
Guenter Roecke7e1ca62011-02-04 13:24:30 -08002085 if (!data) {
Jean Delvare08e7e272005-04-25 22:43:25 +02002086 err = -ENOMEM;
2087 goto exit_release;
2088 }
Jean Delvare08e7e272005-04-25 22:43:25 +02002089
David Hubbard1ea6dd32007-06-24 11:16:15 +02002090 data->addr = res->start;
Ingo Molnar9a61bf62006-01-18 23:19:26 +01002091 mutex_init(&data->lock);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01002092 mutex_init(&data->update_lock);
David Hubbard1ea6dd32007-06-24 11:16:15 +02002093 data->name = w83627ehf_device_names[sio_data->kind];
Jean Delvare3300fb42012-11-05 21:54:39 +01002094 data->bank = 0xff; /* Force initial bank selection */
David Hubbard1ea6dd32007-06-24 11:16:15 +02002095 platform_set_drvdata(pdev, data);
Jean Delvare08e7e272005-04-25 22:43:25 +02002096
Gong Jun237c8d2f2009-03-30 21:46:42 +02002097 /* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */
2098 data->in_num = (sio_data->kind == w83627ehf) ? 10 : 9;
Jean Delvareeff76872011-11-04 12:00:48 +01002099 /* 667HG, NCT6775F, and NCT6776F have 3 pwms, and 627UHG has only 2 */
2100 switch (sio_data->kind) {
2101 default:
2102 data->pwm_num = 4;
2103 break;
2104 case w83667hg:
2105 case w83667hg_b:
2106 case nct6775:
2107 case nct6776:
2108 data->pwm_num = 3;
2109 break;
2110 case w83627uhg:
2111 data->pwm_num = 2;
2112 break;
2113 }
Jean Delvare08e7e272005-04-25 22:43:25 +02002114
Jean Delvare6ba71de2011-11-04 12:00:47 +01002115 /* Default to 3 temperature inputs, code below will adjust as needed */
Guenter Roeckd36cf322011-02-07 15:08:54 -08002116 data->have_temp = 0x07;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002117
2118 /* Deal with temperature register setup first. */
2119 if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
2120 int mask = 0;
2121
2122 /*
2123 * Display temperature sensor output only if it monitors
2124 * a source other than one already reported. Always display
2125 * first three temperature registers, though.
2126 */
2127 for (i = 0; i < NUM_REG_TEMP; i++) {
2128 u8 src;
2129
2130 data->reg_temp[i] = NCT6775_REG_TEMP[i];
2131 data->reg_temp_over[i] = NCT6775_REG_TEMP_OVER[i];
2132 data->reg_temp_hyst[i] = NCT6775_REG_TEMP_HYST[i];
2133 data->reg_temp_config[i] = NCT6775_REG_TEMP_CONFIG[i];
2134
2135 src = w83627ehf_read_value(data,
2136 NCT6775_REG_TEMP_SOURCE[i]);
2137 src &= 0x1f;
2138 if (src && !(mask & (1 << src))) {
2139 data->have_temp |= 1 << i;
2140 mask |= 1 << src;
2141 }
2142
2143 data->temp_src[i] = src;
2144
2145 /*
2146 * Now do some register swapping if index 0..2 don't
2147 * point to SYSTIN(1), CPUIN(2), and AUXIN(3).
2148 * Idea is to have the first three attributes
2149 * report SYSTIN, CPUIN, and AUXIN if possible
2150 * without overriding the basic system configuration.
2151 */
2152 if (i > 0 && data->temp_src[0] != 1
2153 && data->temp_src[i] == 1)
2154 w82627ehf_swap_tempreg(data, 0, i);
2155 if (i > 1 && data->temp_src[1] != 2
2156 && data->temp_src[i] == 2)
2157 w82627ehf_swap_tempreg(data, 1, i);
2158 if (i > 2 && data->temp_src[2] != 3
2159 && data->temp_src[i] == 3)
2160 w82627ehf_swap_tempreg(data, 2, i);
2161 }
2162 if (sio_data->kind == nct6776) {
2163 /*
2164 * On NCT6776, AUXTIN and VIN3 pins are shared.
2165 * Only way to detect it is to check if AUXTIN is used
2166 * as a temperature source, and if that source is
2167 * enabled.
2168 *
2169 * If that is the case, disable in6, which reports VIN3.
2170 * Otherwise disable temp3.
2171 */
2172 if (data->temp_src[2] == 3) {
2173 u8 reg;
2174
2175 if (data->reg_temp_config[2])
2176 reg = w83627ehf_read_value(data,
2177 data->reg_temp_config[2]);
2178 else
2179 reg = 0; /* Assume AUXTIN is used */
2180
2181 if (reg & 0x01)
2182 data->have_temp &= ~(1 << 2);
2183 else
2184 data->in6_skip = 1;
2185 }
Guenter Roeck02309ad2011-03-10 15:47:14 -08002186 data->temp_label = nct6776_temp_label;
2187 } else {
2188 data->temp_label = nct6775_temp_label;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002189 }
Guenter Roeck840e1912012-02-08 09:29:11 -08002190 data->have_temp_offset = data->have_temp & 0x07;
2191 for (i = 0; i < 3; i++) {
2192 if (data->temp_src[i] > 3)
2193 data->have_temp_offset &= ~(1 << i);
2194 }
Guenter Roeckd36cf322011-02-07 15:08:54 -08002195 } else if (sio_data->kind == w83667hg_b) {
2196 u8 reg;
2197
Jean Delvare6ba71de2011-11-04 12:00:47 +01002198 w83627ehf_set_temp_reg_ehf(data, 4);
2199
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002200 /*
2201 * Temperature sources are selected with bank 0, registers 0x49
2202 * and 0x4a.
2203 */
Guenter Roeckd36cf322011-02-07 15:08:54 -08002204 reg = w83627ehf_read_value(data, 0x4a);
2205 data->temp_src[0] = reg >> 5;
2206 reg = w83627ehf_read_value(data, 0x49);
2207 data->temp_src[1] = reg & 0x07;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002208 data->temp_src[2] = (reg >> 4) & 0x07;
Guenter Roeckd36cf322011-02-07 15:08:54 -08002209
2210 /*
2211 * W83667HG-B has another temperature register at 0x7e.
2212 * The temperature source is selected with register 0x7d.
2213 * Support it if the source differs from already reported
2214 * sources.
2215 */
2216 reg = w83627ehf_read_value(data, 0x7d);
2217 reg &= 0x07;
2218 if (reg != data->temp_src[0] && reg != data->temp_src[1]
2219 && reg != data->temp_src[2]) {
2220 data->temp_src[3] = reg;
2221 data->have_temp |= 1 << 3;
2222 }
2223
2224 /*
2225 * Chip supports either AUXTIN or VIN3. Try to find out which
2226 * one.
2227 */
2228 reg = w83627ehf_read_value(data, W83627EHF_REG_TEMP_CONFIG[2]);
2229 if (data->temp_src[2] == 2 && (reg & 0x01))
2230 data->have_temp &= ~(1 << 2);
2231
2232 if ((data->temp_src[2] == 2 && (data->have_temp & (1 << 2)))
2233 || (data->temp_src[3] == 2 && (data->have_temp & (1 << 3))))
2234 data->in6_skip = 1;
2235
2236 data->temp_label = w83667hg_b_temp_label;
Guenter Roeck840e1912012-02-08 09:29:11 -08002237 data->have_temp_offset = data->have_temp & 0x07;
2238 for (i = 0; i < 3; i++) {
2239 if (data->temp_src[i] > 2)
2240 data->have_temp_offset &= ~(1 << i);
2241 }
Jean Delvareeff76872011-11-04 12:00:48 +01002242 } else if (sio_data->kind == w83627uhg) {
2243 u8 reg;
2244
2245 w83627ehf_set_temp_reg_ehf(data, 3);
2246
2247 /*
Jean Delvareaacb6b02012-03-13 04:03:27 -04002248 * Temperature sources for temp2 and temp3 are selected with
Jean Delvareeff76872011-11-04 12:00:48 +01002249 * bank 0, registers 0x49 and 0x4a.
2250 */
2251 data->temp_src[0] = 0; /* SYSTIN */
2252 reg = w83627ehf_read_value(data, 0x49) & 0x07;
2253 /* Adjust to have the same mapping as other source registers */
2254 if (reg == 0)
Jean Delvareaacb6b02012-03-13 04:03:27 -04002255 data->temp_src[1] = 1;
Jean Delvareeff76872011-11-04 12:00:48 +01002256 else if (reg >= 2 && reg <= 5)
Jean Delvareaacb6b02012-03-13 04:03:27 -04002257 data->temp_src[1] = reg + 2;
Jean Delvareeff76872011-11-04 12:00:48 +01002258 else /* should never happen */
2259 data->have_temp &= ~(1 << 1);
2260 reg = w83627ehf_read_value(data, 0x4a);
2261 data->temp_src[2] = reg >> 5;
2262
2263 /*
2264 * Skip temp3 if source is invalid or the same as temp1
2265 * or temp2.
2266 */
2267 if (data->temp_src[2] == 2 || data->temp_src[2] == 3 ||
2268 data->temp_src[2] == data->temp_src[0] ||
2269 ((data->have_temp & (1 << 1)) &&
2270 data->temp_src[2] == data->temp_src[1]))
2271 data->have_temp &= ~(1 << 2);
2272 else
2273 data->temp3_val_only = 1; /* No limit regs */
2274
2275 data->in6_skip = 1; /* No VIN3 */
2276
2277 data->temp_label = w83667hg_b_temp_label;
Guenter Roeck840e1912012-02-08 09:29:11 -08002278 data->have_temp_offset = data->have_temp & 0x03;
2279 for (i = 0; i < 3; i++) {
2280 if (data->temp_src[i] > 1)
2281 data->have_temp_offset &= ~(1 << i);
2282 }
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002283 } else {
Jean Delvare6ba71de2011-11-04 12:00:47 +01002284 w83627ehf_set_temp_reg_ehf(data, 3);
2285
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002286 /* Temperature sources are fixed */
Jean Delvare6ba71de2011-11-04 12:00:47 +01002287
2288 if (sio_data->kind == w83667hg) {
2289 u8 reg;
2290
2291 /*
2292 * Chip supports either AUXTIN or VIN3. Try to find
2293 * out which one.
2294 */
2295 reg = w83627ehf_read_value(data,
2296 W83627EHF_REG_TEMP_CONFIG[2]);
2297 if (reg & 0x01)
2298 data->have_temp &= ~(1 << 2);
2299 else
2300 data->in6_skip = 1;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002301 }
Guenter Roeck840e1912012-02-08 09:29:11 -08002302 data->have_temp_offset = data->have_temp & 0x07;
Gong Juna157d062009-03-30 21:46:43 +02002303 }
2304
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002305 if (sio_data->kind == nct6775) {
Guenter Roeck26bc4402011-02-11 08:00:58 -08002306 data->has_fan_div = true;
2307 data->fan_from_reg = fan_from_reg16;
2308 data->fan_from_reg_min = fan_from_reg8;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002309 data->REG_PWM = NCT6775_REG_PWM;
2310 data->REG_TARGET = NCT6775_REG_TARGET;
Guenter Roeck26bc4402011-02-11 08:00:58 -08002311 data->REG_FAN = NCT6775_REG_FAN;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002312 data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
2313 data->REG_FAN_START_OUTPUT = NCT6775_REG_FAN_START_OUTPUT;
2314 data->REG_FAN_STOP_OUTPUT = NCT6775_REG_FAN_STOP_OUTPUT;
2315 data->REG_FAN_STOP_TIME = NCT6775_REG_FAN_STOP_TIME;
2316 data->REG_FAN_MAX_OUTPUT = NCT6775_REG_FAN_MAX_OUTPUT;
2317 data->REG_FAN_STEP_OUTPUT = NCT6775_REG_FAN_STEP_OUTPUT;
2318 } else if (sio_data->kind == nct6776) {
Guenter Roeck26bc4402011-02-11 08:00:58 -08002319 data->has_fan_div = false;
2320 data->fan_from_reg = fan_from_reg13;
2321 data->fan_from_reg_min = fan_from_reg13;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002322 data->REG_PWM = NCT6775_REG_PWM;
2323 data->REG_TARGET = NCT6775_REG_TARGET;
Guenter Roeck26bc4402011-02-11 08:00:58 -08002324 data->REG_FAN = NCT6775_REG_FAN;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002325 data->REG_FAN_MIN = NCT6776_REG_FAN_MIN;
2326 data->REG_FAN_START_OUTPUT = NCT6775_REG_FAN_START_OUTPUT;
2327 data->REG_FAN_STOP_OUTPUT = NCT6775_REG_FAN_STOP_OUTPUT;
2328 data->REG_FAN_STOP_TIME = NCT6775_REG_FAN_STOP_TIME;
2329 } else if (sio_data->kind == w83667hg_b) {
Guenter Roeck26bc4402011-02-11 08:00:58 -08002330 data->has_fan_div = true;
2331 data->fan_from_reg = fan_from_reg8;
2332 data->fan_from_reg_min = fan_from_reg8;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002333 data->REG_PWM = W83627EHF_REG_PWM;
2334 data->REG_TARGET = W83627EHF_REG_TARGET;
2335 data->REG_FAN = W83627EHF_REG_FAN;
2336 data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
2337 data->REG_FAN_START_OUTPUT = W83627EHF_REG_FAN_START_OUTPUT;
2338 data->REG_FAN_STOP_OUTPUT = W83627EHF_REG_FAN_STOP_OUTPUT;
2339 data->REG_FAN_STOP_TIME = W83627EHF_REG_FAN_STOP_TIME;
Guenter Roeckc39aeda2010-08-14 21:08:55 +02002340 data->REG_FAN_MAX_OUTPUT =
2341 W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B;
2342 data->REG_FAN_STEP_OUTPUT =
2343 W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B;
2344 } else {
Guenter Roeck26bc4402011-02-11 08:00:58 -08002345 data->has_fan_div = true;
2346 data->fan_from_reg = fan_from_reg8;
2347 data->fan_from_reg_min = fan_from_reg8;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002348 data->REG_PWM = W83627EHF_REG_PWM;
2349 data->REG_TARGET = W83627EHF_REG_TARGET;
2350 data->REG_FAN = W83627EHF_REG_FAN;
2351 data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
2352 data->REG_FAN_START_OUTPUT = W83627EHF_REG_FAN_START_OUTPUT;
2353 data->REG_FAN_STOP_OUTPUT = W83627EHF_REG_FAN_STOP_OUTPUT;
2354 data->REG_FAN_STOP_TIME = W83627EHF_REG_FAN_STOP_TIME;
Guenter Roeckc39aeda2010-08-14 21:08:55 +02002355 data->REG_FAN_MAX_OUTPUT =
2356 W83627EHF_REG_FAN_MAX_OUTPUT_COMMON;
2357 data->REG_FAN_STEP_OUTPUT =
2358 W83627EHF_REG_FAN_STEP_OUTPUT_COMMON;
2359 }
Guenter Roeckda2e0252010-08-14 21:08:55 +02002360
Jean Delvareeff76872011-11-04 12:00:48 +01002361 /* Setup input voltage scaling factors */
2362 if (sio_data->kind == w83627uhg)
2363 data->scale_in = scale_in_w83627uhg;
2364 else
2365 data->scale_in = scale_in_common;
2366
Jean Delvare08e7e272005-04-25 22:43:25 +02002367 /* Initialize the chip */
Jean Delvarebf164c52011-10-13 15:49:08 -04002368 w83627ehf_init_device(data, sio_data->kind);
Jean Delvare08e7e272005-04-25 22:43:25 +02002369
Jean Delvarefc18d6c2007-06-24 11:19:42 +02002370 data->vrm = vid_which_vrm();
2371 superio_enter(sio_data->sioreg);
Jean Delvarefc18d6c2007-06-24 11:19:42 +02002372 /* Read VID value */
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002373 if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b ||
2374 sio_data->kind == nct6775 || sio_data->kind == nct6776) {
Guenter Roeck8969e842012-01-19 11:02:27 -08002375 /*
2376 * W83667HG has different pins for VID input and output, so
2377 * we can get the VID input values directly at logical device D
2378 * 0xe3.
2379 */
Gong Jun237c8d2f2009-03-30 21:46:42 +02002380 superio_select(sio_data->sioreg, W83667HG_LD_VID);
2381 data->vid = superio_inb(sio_data->sioreg, 0xe3);
Jean Delvarecbe311f2008-01-03 21:22:44 +01002382 err = device_create_file(dev, &dev_attr_cpu0_vid);
2383 if (err)
2384 goto exit_release;
Jean Delvareeff76872011-11-04 12:00:48 +01002385 } else if (sio_data->kind != w83627uhg) {
Gong Jun237c8d2f2009-03-30 21:46:42 +02002386 superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
2387 if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) {
Guenter Roeck8969e842012-01-19 11:02:27 -08002388 /*
2389 * Set VID input sensibility if needed. In theory the
2390 * BIOS should have set it, but in practice it's not
2391 * always the case. We only do it for the W83627EHF/EHG
2392 * because the W83627DHG is more complex in this
2393 * respect.
2394 */
Gong Jun237c8d2f2009-03-30 21:46:42 +02002395 if (sio_data->kind == w83627ehf) {
2396 en_vrm10 = superio_inb(sio_data->sioreg,
2397 SIO_REG_EN_VRM10);
2398 if ((en_vrm10 & 0x08) && data->vrm == 90) {
Guenter Roeckb55f3752013-01-10 10:01:24 -08002399 dev_warn(dev,
2400 "Setting VID input voltage to TTL\n");
Gong Jun237c8d2f2009-03-30 21:46:42 +02002401 superio_outb(sio_data->sioreg,
2402 SIO_REG_EN_VRM10,
2403 en_vrm10 & ~0x08);
2404 } else if (!(en_vrm10 & 0x08)
2405 && data->vrm == 100) {
Guenter Roeckb55f3752013-01-10 10:01:24 -08002406 dev_warn(dev,
2407 "Setting VID input voltage to VRM10\n");
Gong Jun237c8d2f2009-03-30 21:46:42 +02002408 superio_outb(sio_data->sioreg,
2409 SIO_REG_EN_VRM10,
2410 en_vrm10 | 0x08);
2411 }
2412 }
2413
2414 data->vid = superio_inb(sio_data->sioreg,
2415 SIO_REG_VID_DATA);
2416 if (sio_data->kind == w83627ehf) /* 6 VID pins only */
2417 data->vid &= 0x3f;
2418
2419 err = device_create_file(dev, &dev_attr_cpu0_vid);
2420 if (err)
2421 goto exit_release;
2422 } else {
Guenter Roeckb55f3752013-01-10 10:01:24 -08002423 dev_info(dev,
2424 "VID pins in output mode, CPU VID not available\n");
Gong Jun237c8d2f2009-03-30 21:46:42 +02002425 }
Jean Delvarefc18d6c2007-06-24 11:19:42 +02002426 }
2427
Ian Dobsond42e8692011-03-07 14:21:12 -08002428 if (fan_debounce &&
2429 (sio_data->kind == nct6775 || sio_data->kind == nct6776)) {
2430 u8 tmp;
2431
2432 superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
2433 tmp = superio_inb(sio_data->sioreg, NCT6775_REG_FAN_DEBOUNCE);
2434 if (sio_data->kind == nct6776)
2435 superio_outb(sio_data->sioreg, NCT6775_REG_FAN_DEBOUNCE,
2436 0x3e | tmp);
2437 else
2438 superio_outb(sio_data->sioreg, NCT6775_REG_FAN_DEBOUNCE,
2439 0x1e | tmp);
2440 pr_info("Enabled fan debounce for chip %s\n", data->name);
2441 }
2442
David Hubbard1ea6dd32007-06-24 11:16:15 +02002443 superio_exit(sio_data->sioreg);
Rudolf Marek08c79952006-07-05 18:14:31 +02002444
Jean Delvare03f5de22011-10-13 10:43:14 -04002445 w83627ehf_check_fan_inputs(sio_data, data);
Jean Delvare08e7e272005-04-25 22:43:25 +02002446
Mark M. Hoffmanea7be662007-08-05 12:19:01 -04002447 /* Read fan clock dividers immediately */
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002448 w83627ehf_update_fan_div_common(dev, data);
2449
2450 /* Read pwm data to save original values */
2451 w83627ehf_update_pwm_common(dev, data);
2452 for (i = 0; i < data->pwm_num; i++)
2453 data->pwm_enable_orig[i] = data->pwm_enable[i];
Mark M. Hoffmanea7be662007-08-05 12:19:01 -04002454
Jean Delvare08e7e272005-04-25 22:43:25 +02002455 /* Register sysfs hooks */
Guenter Roecke7e1ca62011-02-04 13:24:30 -08002456 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) {
2457 err = device_create_file(dev, &sda_sf3_arrays[i].dev_attr);
2458 if (err)
David Hubbardc18beb52006-09-24 21:04:38 +02002459 goto exit_remove;
Guenter Roecke7e1ca62011-02-04 13:24:30 -08002460 }
Rudolf Marek08c79952006-07-05 18:14:31 +02002461
Guenter Roeckda2e0252010-08-14 21:08:55 +02002462 for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) {
2463 struct sensor_device_attribute *attr =
2464 &sda_sf3_max_step_arrays[i];
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002465 if (data->REG_FAN_STEP_OUTPUT &&
2466 data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff) {
Guenter Roeckda2e0252010-08-14 21:08:55 +02002467 err = device_create_file(dev, &attr->dev_attr);
2468 if (err)
2469 goto exit_remove;
2470 }
2471 }
Jean Delvareeff76872011-11-04 12:00:48 +01002472 /* if fan3 and fan4 are enabled create the sf3 files for them */
2473 if ((data->has_fan & (1 << 2)) && data->pwm_num >= 3)
2474 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan3); i++) {
2475 err = device_create_file(dev,
2476 &sda_sf3_arrays_fan3[i].dev_attr);
2477 if (err)
2478 goto exit_remove;
2479 }
Gong Jun237c8d2f2009-03-30 21:46:42 +02002480 if ((data->has_fan & (1 << 3)) && data->pwm_num >= 4)
David Hubbardc18beb52006-09-24 21:04:38 +02002481 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) {
Guenter Roecke7e1ca62011-02-04 13:24:30 -08002482 err = device_create_file(dev,
2483 &sda_sf3_arrays_fan4[i].dev_attr);
2484 if (err)
David Hubbardc18beb52006-09-24 21:04:38 +02002485 goto exit_remove;
2486 }
Rudolf Marek08c79952006-07-05 18:14:31 +02002487
Gong Juna157d062009-03-30 21:46:43 +02002488 for (i = 0; i < data->in_num; i++) {
2489 if ((i == 6) && data->in6_skip)
2490 continue;
David Hubbardc18beb52006-09-24 21:04:38 +02002491 if ((err = device_create_file(dev, &sda_in_input[i].dev_attr))
2492 || (err = device_create_file(dev,
2493 &sda_in_alarm[i].dev_attr))
2494 || (err = device_create_file(dev,
2495 &sda_in_min[i].dev_attr))
2496 || (err = device_create_file(dev,
2497 &sda_in_max[i].dev_attr)))
2498 goto exit_remove;
Gong Juna157d062009-03-30 21:46:43 +02002499 }
Rudolf Marekcf0676f2006-03-23 16:25:22 +01002500
Yuan Mu412fec82006-02-05 23:24:16 +01002501 for (i = 0; i < 5; i++) {
Rudolf Marek08c79952006-07-05 18:14:31 +02002502 if (data->has_fan & (1 << i)) {
David Hubbardc18beb52006-09-24 21:04:38 +02002503 if ((err = device_create_file(dev,
2504 &sda_fan_input[i].dev_attr))
2505 || (err = device_create_file(dev,
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002506 &sda_fan_alarm[i].dev_attr)))
David Hubbardc18beb52006-09-24 21:04:38 +02002507 goto exit_remove;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002508 if (sio_data->kind != nct6776) {
2509 err = device_create_file(dev,
2510 &sda_fan_div[i].dev_attr);
2511 if (err)
2512 goto exit_remove;
2513 }
2514 if (data->has_fan_min & (1 << i)) {
2515 err = device_create_file(dev,
2516 &sda_fan_min[i].dev_attr);
2517 if (err)
2518 goto exit_remove;
2519 }
Gong Jun237c8d2f2009-03-30 21:46:42 +02002520 if (i < data->pwm_num &&
David Hubbardc18beb52006-09-24 21:04:38 +02002521 ((err = device_create_file(dev,
2522 &sda_pwm[i].dev_attr))
2523 || (err = device_create_file(dev,
2524 &sda_pwm_mode[i].dev_attr))
2525 || (err = device_create_file(dev,
2526 &sda_pwm_enable[i].dev_attr))
2527 || (err = device_create_file(dev,
2528 &sda_target_temp[i].dev_attr))
2529 || (err = device_create_file(dev,
2530 &sda_tolerance[i].dev_attr))))
2531 goto exit_remove;
Rudolf Marek08c79952006-07-05 18:14:31 +02002532 }
Jean Delvare08e7e272005-04-25 22:43:25 +02002533 }
Rudolf Marek08c79952006-07-05 18:14:31 +02002534
Guenter Roeckd36cf322011-02-07 15:08:54 -08002535 for (i = 0; i < NUM_REG_TEMP; i++) {
2536 if (!(data->have_temp & (1 << i)))
Gong Juna157d062009-03-30 21:46:43 +02002537 continue;
Guenter Roeckd36cf322011-02-07 15:08:54 -08002538 err = device_create_file(dev, &sda_temp_input[i].dev_attr);
2539 if (err)
2540 goto exit_remove;
2541 if (data->temp_label) {
2542 err = device_create_file(dev,
2543 &sda_temp_label[i].dev_attr);
2544 if (err)
2545 goto exit_remove;
2546 }
Jean Delvareeff76872011-11-04 12:00:48 +01002547 if (i == 2 && data->temp3_val_only)
2548 continue;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002549 if (data->reg_temp_over[i]) {
2550 err = device_create_file(dev,
2551 &sda_temp_max[i].dev_attr);
2552 if (err)
2553 goto exit_remove;
2554 }
2555 if (data->reg_temp_hyst[i]) {
2556 err = device_create_file(dev,
2557 &sda_temp_max_hyst[i].dev_attr);
2558 if (err)
2559 goto exit_remove;
2560 }
Guenter Roeckd36cf322011-02-07 15:08:54 -08002561 if (i > 2)
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002562 continue;
2563 if ((err = device_create_file(dev,
Gong Juna157d062009-03-30 21:46:43 +02002564 &sda_temp_alarm[i].dev_attr))
2565 || (err = device_create_file(dev,
2566 &sda_temp_type[i].dev_attr)))
David Hubbardc18beb52006-09-24 21:04:38 +02002567 goto exit_remove;
Guenter Roeck840e1912012-02-08 09:29:11 -08002568 if (data->have_temp_offset & (1 << i)) {
2569 err = device_create_file(dev,
2570 &sda_temp_offset[i].dev_attr);
2571 if (err)
2572 goto exit_remove;
2573 }
Gong Juna157d062009-03-30 21:46:43 +02002574 }
David Hubbardc18beb52006-09-24 21:04:38 +02002575
Dmitry Artamonow363a12a2011-08-12 16:41:11 -04002576 err = device_create_file(dev, &sda_caseopen[0].dev_attr);
2577 if (err)
2578 goto exit_remove;
2579
2580 if (sio_data->kind == nct6776) {
2581 err = device_create_file(dev, &sda_caseopen[1].dev_attr);
2582 if (err)
2583 goto exit_remove;
2584 }
2585
David Hubbard1ea6dd32007-06-24 11:16:15 +02002586 err = device_create_file(dev, &dev_attr_name);
2587 if (err)
2588 goto exit_remove;
2589
Tony Jones1beeffe2007-08-20 13:46:20 -07002590 data->hwmon_dev = hwmon_device_register(dev);
2591 if (IS_ERR(data->hwmon_dev)) {
2592 err = PTR_ERR(data->hwmon_dev);
David Hubbardc18beb52006-09-24 21:04:38 +02002593 goto exit_remove;
2594 }
Jean Delvare08e7e272005-04-25 22:43:25 +02002595
2596 return 0;
2597
David Hubbardc18beb52006-09-24 21:04:38 +02002598exit_remove:
2599 w83627ehf_device_remove_files(dev);
Jean Delvare08e7e272005-04-25 22:43:25 +02002600exit_release:
David Hubbard1ea6dd32007-06-24 11:16:15 +02002601 release_region(res->start, IOREGION_LENGTH);
Jean Delvare08e7e272005-04-25 22:43:25 +02002602exit:
2603 return err;
2604}
2605
Bill Pemberton281dfd02012-11-19 13:25:51 -05002606static int w83627ehf_remove(struct platform_device *pdev)
Jean Delvare08e7e272005-04-25 22:43:25 +02002607{
David Hubbard1ea6dd32007-06-24 11:16:15 +02002608 struct w83627ehf_data *data = platform_get_drvdata(pdev);
Jean Delvare08e7e272005-04-25 22:43:25 +02002609
Tony Jones1beeffe2007-08-20 13:46:20 -07002610 hwmon_device_unregister(data->hwmon_dev);
David Hubbard1ea6dd32007-06-24 11:16:15 +02002611 w83627ehf_device_remove_files(&pdev->dev);
2612 release_region(data->addr, IOREGION_LENGTH);
Jean Delvare08e7e272005-04-25 22:43:25 +02002613
2614 return 0;
2615}
2616
Jean Delvare7e630bb2012-12-19 22:16:59 +01002617#ifdef CONFIG_PM
2618static int w83627ehf_suspend(struct device *dev)
2619{
2620 struct w83627ehf_data *data = w83627ehf_update_device(dev);
Jingoo Hana8b3a3a2013-07-30 17:13:06 +09002621 struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
Jean Delvare7e630bb2012-12-19 22:16:59 +01002622
2623 mutex_lock(&data->update_lock);
2624 data->vbat = w83627ehf_read_value(data, W83627EHF_REG_VBAT);
2625 if (sio_data->kind == nct6775) {
2626 data->fandiv1 = w83627ehf_read_value(data, NCT6775_REG_FANDIV1);
2627 data->fandiv2 = w83627ehf_read_value(data, NCT6775_REG_FANDIV2);
2628 }
2629 mutex_unlock(&data->update_lock);
2630
2631 return 0;
2632}
2633
2634static int w83627ehf_resume(struct device *dev)
2635{
2636 struct w83627ehf_data *data = dev_get_drvdata(dev);
Jingoo Hana8b3a3a2013-07-30 17:13:06 +09002637 struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
Jean Delvare7e630bb2012-12-19 22:16:59 +01002638 int i;
2639
2640 mutex_lock(&data->update_lock);
2641 data->bank = 0xff; /* Force initial bank selection */
2642
2643 /* Restore limits */
2644 for (i = 0; i < data->in_num; i++) {
2645 if ((i == 6) && data->in6_skip)
2646 continue;
2647
2648 w83627ehf_write_value(data, W83627EHF_REG_IN_MIN(i),
2649 data->in_min[i]);
2650 w83627ehf_write_value(data, W83627EHF_REG_IN_MAX(i),
2651 data->in_max[i]);
2652 }
2653
2654 for (i = 0; i < 5; i++) {
2655 if (!(data->has_fan_min & (1 << i)))
2656 continue;
2657
2658 w83627ehf_write_value(data, data->REG_FAN_MIN[i],
2659 data->fan_min[i]);
2660 }
2661
2662 for (i = 0; i < NUM_REG_TEMP; i++) {
2663 if (!(data->have_temp & (1 << i)))
2664 continue;
2665
2666 if (data->reg_temp_over[i])
2667 w83627ehf_write_temp(data, data->reg_temp_over[i],
2668 data->temp_max[i]);
2669 if (data->reg_temp_hyst[i])
2670 w83627ehf_write_temp(data, data->reg_temp_hyst[i],
2671 data->temp_max_hyst[i]);
Jean Delvare45633fb2012-12-19 22:17:00 +01002672 if (i > 2)
2673 continue;
Jean Delvare7e630bb2012-12-19 22:16:59 +01002674 if (data->have_temp_offset & (1 << i))
2675 w83627ehf_write_value(data,
2676 W83627EHF_REG_TEMP_OFFSET[i],
2677 data->temp_offset[i]);
2678 }
2679
2680 /* Restore other settings */
2681 w83627ehf_write_value(data, W83627EHF_REG_VBAT, data->vbat);
2682 if (sio_data->kind == nct6775) {
2683 w83627ehf_write_value(data, NCT6775_REG_FANDIV1, data->fandiv1);
2684 w83627ehf_write_value(data, NCT6775_REG_FANDIV2, data->fandiv2);
2685 }
2686
2687 /* Force re-reading all values */
2688 data->valid = 0;
2689 mutex_unlock(&data->update_lock);
2690
2691 return 0;
2692}
2693
2694static const struct dev_pm_ops w83627ehf_dev_pm_ops = {
2695 .suspend = w83627ehf_suspend,
2696 .resume = w83627ehf_resume,
Harald Judte3b20b32013-08-01 16:18:45 +02002697 .freeze = w83627ehf_suspend,
2698 .restore = w83627ehf_resume,
Jean Delvare7e630bb2012-12-19 22:16:59 +01002699};
2700
2701#define W83627EHF_DEV_PM_OPS (&w83627ehf_dev_pm_ops)
2702#else
2703#define W83627EHF_DEV_PM_OPS NULL
2704#endif /* CONFIG_PM */
2705
David Hubbard1ea6dd32007-06-24 11:16:15 +02002706static struct platform_driver w83627ehf_driver = {
Laurent Riffardcdaf7932005-11-26 20:37:41 +01002707 .driver = {
David Hubbard1ea6dd32007-06-24 11:16:15 +02002708 .name = DRVNAME,
Jean Delvare7e630bb2012-12-19 22:16:59 +01002709 .pm = W83627EHF_DEV_PM_OPS,
Laurent Riffardcdaf7932005-11-26 20:37:41 +01002710 },
David Hubbard1ea6dd32007-06-24 11:16:15 +02002711 .probe = w83627ehf_probe,
Bill Pemberton9e5e9b72012-11-19 13:21:20 -05002712 .remove = w83627ehf_remove,
Jean Delvare08e7e272005-04-25 22:43:25 +02002713};
2714
David Hubbard1ea6dd32007-06-24 11:16:15 +02002715/* w83627ehf_find() looks for a '627 in the Super-I/O config space */
2716static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
2717 struct w83627ehf_sio_data *sio_data)
Jean Delvare08e7e272005-04-25 22:43:25 +02002718{
Uwe Kleine-König6f7805a2012-03-30 16:04:55 -04002719 static const char sio_name_W83627EHF[] __initconst = "W83627EHF";
2720 static const char sio_name_W83627EHG[] __initconst = "W83627EHG";
2721 static const char sio_name_W83627DHG[] __initconst = "W83627DHG";
2722 static const char sio_name_W83627DHG_P[] __initconst = "W83627DHG-P";
2723 static const char sio_name_W83627UHG[] __initconst = "W83627UHG";
2724 static const char sio_name_W83667HG[] __initconst = "W83667HG";
2725 static const char sio_name_W83667HG_B[] __initconst = "W83667HG-B";
2726 static const char sio_name_NCT6775[] __initconst = "NCT6775F";
2727 static const char sio_name_NCT6776[] __initconst = "NCT6776F";
David Hubbard1ea6dd32007-06-24 11:16:15 +02002728
Jean Delvare08e7e272005-04-25 22:43:25 +02002729 u16 val;
David Hubbard1ea6dd32007-06-24 11:16:15 +02002730 const char *sio_name;
Jean Delvare08e7e272005-04-25 22:43:25 +02002731
David Hubbard1ea6dd32007-06-24 11:16:15 +02002732 superio_enter(sioaddr);
Jean Delvare08e7e272005-04-25 22:43:25 +02002733
Jean Delvare67b671b2007-12-06 23:13:42 +01002734 if (force_id)
2735 val = force_id;
2736 else
2737 val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8)
2738 | superio_inb(sioaddr, SIO_REG_DEVID + 1);
David Hubbard657c93b2007-02-14 21:15:04 +01002739 switch (val & SIO_ID_MASK) {
David Hubbard657c93b2007-02-14 21:15:04 +01002740 case SIO_W83627EHF_ID:
David Hubbard1ea6dd32007-06-24 11:16:15 +02002741 sio_data->kind = w83627ehf;
2742 sio_name = sio_name_W83627EHF;
2743 break;
David Hubbard657c93b2007-02-14 21:15:04 +01002744 case SIO_W83627EHG_ID:
David Hubbard1ea6dd32007-06-24 11:16:15 +02002745 sio_data->kind = w83627ehf;
2746 sio_name = sio_name_W83627EHG;
2747 break;
2748 case SIO_W83627DHG_ID:
2749 sio_data->kind = w83627dhg;
2750 sio_name = sio_name_W83627DHG;
David Hubbard657c93b2007-02-14 21:15:04 +01002751 break;
Jean Delvarec1e48dc2009-06-15 18:39:50 +02002752 case SIO_W83627DHG_P_ID:
2753 sio_data->kind = w83627dhg_p;
2754 sio_name = sio_name_W83627DHG_P;
2755 break;
Jean Delvareeff76872011-11-04 12:00:48 +01002756 case SIO_W83627UHG_ID:
2757 sio_data->kind = w83627uhg;
2758 sio_name = sio_name_W83627UHG;
2759 break;
Gong Jun237c8d2f2009-03-30 21:46:42 +02002760 case SIO_W83667HG_ID:
2761 sio_data->kind = w83667hg;
2762 sio_name = sio_name_W83667HG;
2763 break;
Guenter Roeckc39aeda2010-08-14 21:08:55 +02002764 case SIO_W83667HG_B_ID:
2765 sio_data->kind = w83667hg_b;
2766 sio_name = sio_name_W83667HG_B;
2767 break;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002768 case SIO_NCT6775_ID:
2769 sio_data->kind = nct6775;
2770 sio_name = sio_name_NCT6775;
2771 break;
2772 case SIO_NCT6776_ID:
2773 sio_data->kind = nct6776;
2774 sio_name = sio_name_NCT6776;
2775 break;
David Hubbard657c93b2007-02-14 21:15:04 +01002776 default:
Jean Delvare9f660362007-06-24 11:23:41 +02002777 if (val != 0xffff)
Joe Perchesabdc6fd2010-10-20 06:51:54 +00002778 pr_debug("unsupported chip ID: 0x%04x\n", val);
David Hubbard1ea6dd32007-06-24 11:16:15 +02002779 superio_exit(sioaddr);
Jean Delvare08e7e272005-04-25 22:43:25 +02002780 return -ENODEV;
2781 }
2782
David Hubbard1ea6dd32007-06-24 11:16:15 +02002783 /* We have a known chip, find the HWM I/O address */
2784 superio_select(sioaddr, W83627EHF_LD_HWM);
2785 val = (superio_inb(sioaddr, SIO_REG_ADDR) << 8)
2786 | superio_inb(sioaddr, SIO_REG_ADDR + 1);
Jean Delvare1a641fc2007-04-23 14:41:16 -07002787 *addr = val & IOREGION_ALIGNMENT;
Jean Delvare2d8672c2005-07-19 23:56:35 +02002788 if (*addr == 0) {
Joe Perchesabdc6fd2010-10-20 06:51:54 +00002789 pr_err("Refusing to enable a Super-I/O device with a base I/O port 0\n");
David Hubbard1ea6dd32007-06-24 11:16:15 +02002790 superio_exit(sioaddr);
Jean Delvare08e7e272005-04-25 22:43:25 +02002791 return -ENODEV;
2792 }
2793
2794 /* Activate logical device if needed */
David Hubbard1ea6dd32007-06-24 11:16:15 +02002795 val = superio_inb(sioaddr, SIO_REG_ENABLE);
David Hubbard475ef852007-06-24 11:17:09 +02002796 if (!(val & 0x01)) {
Guenter Roeckb55f3752013-01-10 10:01:24 -08002797 pr_warn("Forcibly enabling Super-I/O. Sensor is probably unusable.\n");
David Hubbard1ea6dd32007-06-24 11:16:15 +02002798 superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01);
David Hubbard475ef852007-06-24 11:17:09 +02002799 }
Jean Delvare08e7e272005-04-25 22:43:25 +02002800
David Hubbard1ea6dd32007-06-24 11:16:15 +02002801 superio_exit(sioaddr);
Joe Perchesabdc6fd2010-10-20 06:51:54 +00002802 pr_info("Found %s chip at %#x\n", sio_name, *addr);
David Hubbard1ea6dd32007-06-24 11:16:15 +02002803 sio_data->sioreg = sioaddr;
2804
Jean Delvare08e7e272005-04-25 22:43:25 +02002805 return 0;
2806}
2807
Guenter Roeck8969e842012-01-19 11:02:27 -08002808/*
2809 * when Super-I/O functions move to a separate file, the Super-I/O
David Hubbard1ea6dd32007-06-24 11:16:15 +02002810 * bus will manage the lifetime of the device and this module will only keep
2811 * track of the w83627ehf driver. But since we platform_device_alloc(), we
Guenter Roeck8969e842012-01-19 11:02:27 -08002812 * must keep track of the device
2813 */
David Hubbard1ea6dd32007-06-24 11:16:15 +02002814static struct platform_device *pdev;
2815
Jean Delvare08e7e272005-04-25 22:43:25 +02002816static int __init sensors_w83627ehf_init(void)
2817{
David Hubbard1ea6dd32007-06-24 11:16:15 +02002818 int err;
2819 unsigned short address;
2820 struct resource res;
2821 struct w83627ehf_sio_data sio_data;
2822
Guenter Roeck8969e842012-01-19 11:02:27 -08002823 /*
2824 * initialize sio_data->kind and sio_data->sioreg.
David Hubbard1ea6dd32007-06-24 11:16:15 +02002825 *
2826 * when Super-I/O functions move to a separate file, the Super-I/O
2827 * driver will probe 0x2e and 0x4e and auto-detect the presence of a
Guenter Roeck8969e842012-01-19 11:02:27 -08002828 * w83627ehf hardware monitor, and call probe()
2829 */
David Hubbard1ea6dd32007-06-24 11:16:15 +02002830 if (w83627ehf_find(0x2e, &address, &sio_data) &&
2831 w83627ehf_find(0x4e, &address, &sio_data))
Jean Delvare08e7e272005-04-25 22:43:25 +02002832 return -ENODEV;
2833
David Hubbard1ea6dd32007-06-24 11:16:15 +02002834 err = platform_driver_register(&w83627ehf_driver);
2835 if (err)
2836 goto exit;
2837
Guenter Roecke7e1ca62011-02-04 13:24:30 -08002838 pdev = platform_device_alloc(DRVNAME, address);
2839 if (!pdev) {
David Hubbard1ea6dd32007-06-24 11:16:15 +02002840 err = -ENOMEM;
Joe Perchesabdc6fd2010-10-20 06:51:54 +00002841 pr_err("Device allocation failed\n");
David Hubbard1ea6dd32007-06-24 11:16:15 +02002842 goto exit_unregister;
2843 }
2844
2845 err = platform_device_add_data(pdev, &sio_data,
2846 sizeof(struct w83627ehf_sio_data));
2847 if (err) {
Joe Perchesabdc6fd2010-10-20 06:51:54 +00002848 pr_err("Platform data allocation failed\n");
David Hubbard1ea6dd32007-06-24 11:16:15 +02002849 goto exit_device_put;
2850 }
2851
2852 memset(&res, 0, sizeof(res));
2853 res.name = DRVNAME;
2854 res.start = address + IOREGION_OFFSET;
2855 res.end = address + IOREGION_OFFSET + IOREGION_LENGTH - 1;
2856 res.flags = IORESOURCE_IO;
Jean Delvareb9acb642009-01-07 16:37:35 +01002857
2858 err = acpi_check_resource_conflict(&res);
2859 if (err)
Hans de Goede18632f82009-02-17 19:59:54 +01002860 goto exit_device_put;
Jean Delvareb9acb642009-01-07 16:37:35 +01002861
David Hubbard1ea6dd32007-06-24 11:16:15 +02002862 err = platform_device_add_resources(pdev, &res, 1);
2863 if (err) {
Joe Perchesabdc6fd2010-10-20 06:51:54 +00002864 pr_err("Device resource addition failed (%d)\n", err);
David Hubbard1ea6dd32007-06-24 11:16:15 +02002865 goto exit_device_put;
2866 }
2867
2868 /* platform_device_add calls probe() */
2869 err = platform_device_add(pdev);
2870 if (err) {
Joe Perchesabdc6fd2010-10-20 06:51:54 +00002871 pr_err("Device addition failed (%d)\n", err);
David Hubbard1ea6dd32007-06-24 11:16:15 +02002872 goto exit_device_put;
2873 }
2874
2875 return 0;
2876
2877exit_device_put:
2878 platform_device_put(pdev);
2879exit_unregister:
2880 platform_driver_unregister(&w83627ehf_driver);
2881exit:
2882 return err;
Jean Delvare08e7e272005-04-25 22:43:25 +02002883}
2884
2885static void __exit sensors_w83627ehf_exit(void)
2886{
David Hubbard1ea6dd32007-06-24 11:16:15 +02002887 platform_device_unregister(pdev);
2888 platform_driver_unregister(&w83627ehf_driver);
Jean Delvare08e7e272005-04-25 22:43:25 +02002889}
2890
Jean Delvare7c81c602014-01-29 20:40:08 +01002891MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>");
Jean Delvare08e7e272005-04-25 22:43:25 +02002892MODULE_DESCRIPTION("W83627EHF driver");
2893MODULE_LICENSE("GPL");
2894
2895module_init(sensors_w83627ehf_init);
2896module_exit(sensors_w83627ehf_exit);