blob: a658d62c5e102ee2e492d4e68cb2f121fe24a0b5 [file] [log] [blame]
Jean Delvare08e7e272005-04-25 22:43:25 +02001/*
2 w83627ehf - Driver for the hardware monitoring functionality of
Guenter Roecke7e1ca62011-02-04 13:24:30 -08003 the Winbond W83627EHF Super-I/O chip
Jean Delvareeff76872011-11-04 12:00:48 +01004 Copyright (C) 2005-2011 Jean Delvare <khali@linux-fr.org>
Jean Delvare3379cee2006-09-24 21:25:52 +02005 Copyright (C) 2006 Yuan Mu (Winbond),
Guenter Roecke7e1ca62011-02-04 13:24:30 -08006 Rudolf Marek <r.marek@assembler.cz>
7 David Hubbard <david.c.hubbard@gmail.com>
Daniel J Blueman41e9a062009-12-14 18:01:37 -08008 Daniel J Blueman <daniel.blueman@gmail.com>
Guenter Roeckec3e5a12011-02-02 08:46:49 -08009 Copyright (C) 2010 Sheng-Yuan Huang (Nuvoton) (PS00)
Jean Delvare08e7e272005-04-25 22:43:25 +020010
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
Jean Delvare8dd2d2c2005-07-27 21:33:15 +020017 This driver also supports the W83627EHG, which is the lead-free
18 version of the W83627EHF.
19
Jean Delvare08e7e272005-04-25 22:43:25 +020020 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
35 Supports the following chips:
36
David Hubbard657c93b2007-02-14 21:15:04 +010037 Chip #vin #fan #pwm #temp chip IDs man ID
38 w83627ehf 10 5 4 3 0x8850 0x88 0x5ca3
Guenter Roecke7e1ca62011-02-04 13:24:30 -080039 0x8860 0xa1
David Hubbard657c93b2007-02-14 21:15:04 +010040 w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3
Jean Delvarec1e48dc2009-06-15 18:39:50 +020041 w83627dhg-p 9 5 4 3 0xb070 0xc1 0x5ca3
Jean Delvareaacb6b02012-03-13 04:03:27 -040042 w83627uhg 8 2 2 3 0xa230 0xc1 0x5ca3
Gong Jun237c8d22009-03-30 21:46:42 +020043 w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3
Guenter Roeckd36cf322011-02-07 15:08:54 -080044 w83667hg-b 9 5 3 4 0xb350 0xc1 0x5ca3
Guenter Roeckec3e5a12011-02-02 08:46:49 -080045 nct6775f 9 4 3 9 0xb470 0xc1 0x5ca3
46 nct6776f 9 5 3 9 0xC330 0xc1 0x5ca3
Jean Delvare08e7e272005-04-25 22:43:25 +020047*/
48
Joe Perchesabdc6fd2010-10-20 06:51:54 +000049#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
50
Jean Delvare08e7e272005-04-25 22:43:25 +020051#include <linux/module.h>
52#include <linux/init.h>
53#include <linux/slab.h>
David Hubbard1ea6dd32007-06-24 11:16:15 +020054#include <linux/jiffies.h>
55#include <linux/platform_device.h>
Mark M. Hoffman943b0832005-07-15 21:39:18 -040056#include <linux/hwmon.h>
Yuan Mu412fec82006-02-05 23:24:16 +010057#include <linux/hwmon-sysfs.h>
Jean Delvarefc18d6c2007-06-24 11:19:42 +020058#include <linux/hwmon-vid.h>
Mark M. Hoffman943b0832005-07-15 21:39:18 -040059#include <linux/err.h>
Ingo Molnar9a61bf62006-01-18 23:19:26 +010060#include <linux/mutex.h>
Jean Delvareb9acb642009-01-07 16:37:35 +010061#include <linux/acpi.h>
H Hartley Sweeten6055fae2009-09-15 17:18:13 +020062#include <linux/io.h>
Jean Delvare08e7e272005-04-25 22:43:25 +020063#include "lm75.h"
64
Jean Delvareeff76872011-11-04 12:00:48 +010065enum kinds {
66 w83627ehf, w83627dhg, w83627dhg_p, w83627uhg,
67 w83667hg, w83667hg_b, nct6775, nct6776,
68};
David Hubbard1ea6dd32007-06-24 11:16:15 +020069
70/* used to set data->name = w83627ehf_device_names[data->sio_kind] */
Guenter Roecke7e1ca62011-02-04 13:24:30 -080071static const char * const w83627ehf_device_names[] = {
David Hubbard1ea6dd32007-06-24 11:16:15 +020072 "w83627ehf",
73 "w83627dhg",
Jean Delvarec1e48dc2009-06-15 18:39:50 +020074 "w83627dhg",
Jean Delvareeff76872011-11-04 12:00:48 +010075 "w83627uhg",
Gong Jun237c8d22009-03-30 21:46:42 +020076 "w83667hg",
Guenter Roeckc39aeda2010-08-14 21:08:55 +020077 "w83667hg",
Guenter Roeckec3e5a12011-02-02 08:46:49 -080078 "nct6775",
79 "nct6776",
David Hubbard1ea6dd32007-06-24 11:16:15 +020080};
81
Jean Delvare67b671b2007-12-06 23:13:42 +010082static unsigned short force_id;
83module_param(force_id, ushort, 0);
84MODULE_PARM_DESC(force_id, "Override the detected device ID");
85
Ian Dobsond42e8692011-03-07 14:21:12 -080086static unsigned short fan_debounce;
87module_param(fan_debounce, ushort, 0);
88MODULE_PARM_DESC(fan_debounce, "Enable debouncing for fan RPM signal");
89
David Hubbard1ea6dd32007-06-24 11:16:15 +020090#define DRVNAME "w83627ehf"
Jean Delvare08e7e272005-04-25 22:43:25 +020091
92/*
93 * Super-I/O constants and functions
94 */
95
Jean Delvare08e7e272005-04-25 22:43:25 +020096#define W83627EHF_LD_HWM 0x0b
Guenter Roecke7e1ca62011-02-04 13:24:30 -080097#define W83667HG_LD_VID 0x0d
Jean Delvare08e7e272005-04-25 22:43:25 +020098
99#define SIO_REG_LDSEL 0x07 /* Logical device select */
100#define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */
Jean Delvarefc18d6c2007-06-24 11:19:42 +0200101#define SIO_REG_EN_VRM10 0x2C /* GPIO3, GPIO4 selection */
Jean Delvare08e7e272005-04-25 22:43:25 +0200102#define SIO_REG_ENABLE 0x30 /* Logical device enable */
103#define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */
Jean Delvarefc18d6c2007-06-24 11:19:42 +0200104#define SIO_REG_VID_CTRL 0xF0 /* VID control */
105#define SIO_REG_VID_DATA 0xF1 /* VID data */
Jean Delvare08e7e272005-04-25 22:43:25 +0200106
David Hubbard657c93b2007-02-14 21:15:04 +0100107#define SIO_W83627EHF_ID 0x8850
108#define SIO_W83627EHG_ID 0x8860
109#define SIO_W83627DHG_ID 0xa020
Jean Delvarec1e48dc2009-06-15 18:39:50 +0200110#define SIO_W83627DHG_P_ID 0xb070
Jean Delvareeff76872011-11-04 12:00:48 +0100111#define SIO_W83627UHG_ID 0xa230
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800112#define SIO_W83667HG_ID 0xa510
Guenter Roeckc39aeda2010-08-14 21:08:55 +0200113#define SIO_W83667HG_B_ID 0xb350
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800114#define SIO_NCT6775_ID 0xb470
115#define SIO_NCT6776_ID 0xc330
David Hubbard657c93b2007-02-14 21:15:04 +0100116#define SIO_ID_MASK 0xFFF0
Jean Delvare08e7e272005-04-25 22:43:25 +0200117
118static inline void
David Hubbard1ea6dd32007-06-24 11:16:15 +0200119superio_outb(int ioreg, int reg, int val)
Jean Delvare08e7e272005-04-25 22:43:25 +0200120{
David Hubbard1ea6dd32007-06-24 11:16:15 +0200121 outb(reg, ioreg);
122 outb(val, ioreg + 1);
Jean Delvare08e7e272005-04-25 22:43:25 +0200123}
124
125static inline int
David Hubbard1ea6dd32007-06-24 11:16:15 +0200126superio_inb(int ioreg, int reg)
Jean Delvare08e7e272005-04-25 22:43:25 +0200127{
David Hubbard1ea6dd32007-06-24 11:16:15 +0200128 outb(reg, ioreg);
129 return inb(ioreg + 1);
Jean Delvare08e7e272005-04-25 22:43:25 +0200130}
131
132static inline void
David Hubbard1ea6dd32007-06-24 11:16:15 +0200133superio_select(int ioreg, int ld)
Jean Delvare08e7e272005-04-25 22:43:25 +0200134{
David Hubbard1ea6dd32007-06-24 11:16:15 +0200135 outb(SIO_REG_LDSEL, ioreg);
136 outb(ld, ioreg + 1);
Jean Delvare08e7e272005-04-25 22:43:25 +0200137}
138
139static inline void
David Hubbard1ea6dd32007-06-24 11:16:15 +0200140superio_enter(int ioreg)
Jean Delvare08e7e272005-04-25 22:43:25 +0200141{
David Hubbard1ea6dd32007-06-24 11:16:15 +0200142 outb(0x87, ioreg);
143 outb(0x87, ioreg);
Jean Delvare08e7e272005-04-25 22:43:25 +0200144}
145
146static inline void
David Hubbard1ea6dd32007-06-24 11:16:15 +0200147superio_exit(int ioreg)
Jean Delvare08e7e272005-04-25 22:43:25 +0200148{
Jonas Jonsson022b75a2010-09-17 17:24:13 +0200149 outb(0xaa, ioreg);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200150 outb(0x02, ioreg);
151 outb(0x02, ioreg + 1);
Jean Delvare08e7e272005-04-25 22:43:25 +0200152}
153
154/*
155 * ISA constants
156 */
157
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800158#define IOREGION_ALIGNMENT (~7)
Jean Delvare1a641fc2007-04-23 14:41:16 -0700159#define IOREGION_OFFSET 5
160#define IOREGION_LENGTH 2
David Hubbard1ea6dd32007-06-24 11:16:15 +0200161#define ADDR_REG_OFFSET 0
162#define DATA_REG_OFFSET 1
Jean Delvare08e7e272005-04-25 22:43:25 +0200163
164#define W83627EHF_REG_BANK 0x4E
165#define W83627EHF_REG_CONFIG 0x40
David Hubbard657c93b2007-02-14 21:15:04 +0100166
167/* Not currently used:
168 * REG_MAN_ID has the value 0x5ca3 for all supported chips.
169 * REG_CHIP_ID == 0x88/0xa1/0xc1 depending on chip model.
170 * REG_MAN_ID is at port 0x4f
171 * REG_CHIP_ID is at port 0x58 */
Jean Delvare08e7e272005-04-25 22:43:25 +0200172
173static const u16 W83627EHF_REG_FAN[] = { 0x28, 0x29, 0x2a, 0x3f, 0x553 };
174static const u16 W83627EHF_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d, 0x3e, 0x55c };
175
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100176/* The W83627EHF registers for nr=7,8,9 are in bank 5 */
177#define W83627EHF_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
178 (0x554 + (((nr) - 7) * 2)))
179#define W83627EHF_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
180 (0x555 + (((nr) - 7) * 2)))
181#define W83627EHF_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \
182 (0x550 + (nr) - 7))
183
Guenter Roeckd36cf322011-02-07 15:08:54 -0800184static const u16 W83627EHF_REG_TEMP[] = { 0x27, 0x150, 0x250, 0x7e };
185static const u16 W83627EHF_REG_TEMP_HYST[] = { 0x3a, 0x153, 0x253, 0 };
186static const u16 W83627EHF_REG_TEMP_OVER[] = { 0x39, 0x155, 0x255, 0 };
187static const u16 W83627EHF_REG_TEMP_CONFIG[] = { 0, 0x152, 0x252, 0 };
Jean Delvare08e7e272005-04-25 22:43:25 +0200188
189/* Fan clock dividers are spread over the following five registers */
190#define W83627EHF_REG_FANDIV1 0x47
191#define W83627EHF_REG_FANDIV2 0x4B
192#define W83627EHF_REG_VBAT 0x5D
193#define W83627EHF_REG_DIODE 0x59
194#define W83627EHF_REG_SMI_OVT 0x4C
195
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800196/* NCT6775F has its own fan divider registers */
197#define NCT6775_REG_FANDIV1 0x506
198#define NCT6775_REG_FANDIV2 0x507
Ian Dobsond42e8692011-03-07 14:21:12 -0800199#define NCT6775_REG_FAN_DEBOUNCE 0xf0
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800200
Jean Delvarea4589db2006-03-23 16:30:29 +0100201#define W83627EHF_REG_ALARM1 0x459
202#define W83627EHF_REG_ALARM2 0x45A
203#define W83627EHF_REG_ALARM3 0x45B
204
Dmitry Artamonow363a12a2011-08-12 16:41:11 -0400205#define W83627EHF_REG_CASEOPEN_DET 0x42 /* SMI STATUS #2 */
206#define W83627EHF_REG_CASEOPEN_CLR 0x46 /* SMI MASK #3 */
207
Rudolf Marek08c79952006-07-05 18:14:31 +0200208/* SmartFan registers */
Daniel J Blueman41e9a062009-12-14 18:01:37 -0800209#define W83627EHF_REG_FAN_STEPUP_TIME 0x0f
210#define W83627EHF_REG_FAN_STEPDOWN_TIME 0x0e
211
Rudolf Marek08c79952006-07-05 18:14:31 +0200212/* DC or PWM output fan configuration */
213static const u8 W83627EHF_REG_PWM_ENABLE[] = {
214 0x04, /* SYS FAN0 output mode and PWM mode */
215 0x04, /* CPU FAN0 output mode and PWM mode */
216 0x12, /* AUX FAN mode */
Daniel J Blueman41e9a062009-12-14 18:01:37 -0800217 0x62, /* CPU FAN1 mode */
Rudolf Marek08c79952006-07-05 18:14:31 +0200218};
219
220static const u8 W83627EHF_PWM_MODE_SHIFT[] = { 0, 1, 0, 6 };
221static const u8 W83627EHF_PWM_ENABLE_SHIFT[] = { 2, 4, 1, 4 };
222
223/* FAN Duty Cycle, be used to control */
Guenter Roeck279af1a2011-02-13 22:34:47 -0800224static const u16 W83627EHF_REG_PWM[] = { 0x01, 0x03, 0x11, 0x61 };
225static const u16 W83627EHF_REG_TARGET[] = { 0x05, 0x06, 0x13, 0x63 };
Rudolf Marek08c79952006-07-05 18:14:31 +0200226static const u8 W83627EHF_REG_TOLERANCE[] = { 0x07, 0x07, 0x14, 0x62 };
227
Rudolf Marek08c79952006-07-05 18:14:31 +0200228/* Advanced Fan control, some values are common for all fans */
Guenter Roeck279af1a2011-02-13 22:34:47 -0800229static const u16 W83627EHF_REG_FAN_START_OUTPUT[] = { 0x0a, 0x0b, 0x16, 0x65 };
230static const u16 W83627EHF_REG_FAN_STOP_OUTPUT[] = { 0x08, 0x09, 0x15, 0x64 };
231static const u16 W83627EHF_REG_FAN_STOP_TIME[] = { 0x0c, 0x0d, 0x17, 0x66 };
Guenter Roeckc39aeda2010-08-14 21:08:55 +0200232
Guenter Roeck279af1a2011-02-13 22:34:47 -0800233static const u16 W83627EHF_REG_FAN_MAX_OUTPUT_COMMON[]
Guenter Roeckc39aeda2010-08-14 21:08:55 +0200234 = { 0xff, 0x67, 0xff, 0x69 };
Guenter Roeck279af1a2011-02-13 22:34:47 -0800235static const u16 W83627EHF_REG_FAN_STEP_OUTPUT_COMMON[]
Guenter Roeckc39aeda2010-08-14 21:08:55 +0200236 = { 0xff, 0x68, 0xff, 0x6a };
237
Guenter Roeck279af1a2011-02-13 22:34:47 -0800238static const u16 W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B[] = { 0x67, 0x69, 0x6b };
239static const u16 W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B[]
240 = { 0x68, 0x6a, 0x6c };
Rudolf Marek08c79952006-07-05 18:14:31 +0200241
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800242static const u16 NCT6775_REG_TARGET[] = { 0x101, 0x201, 0x301 };
243static const u16 NCT6775_REG_FAN_MODE[] = { 0x102, 0x202, 0x302 };
244static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = { 0x105, 0x205, 0x305 };
245static const u16 NCT6775_REG_FAN_START_OUTPUT[] = { 0x106, 0x206, 0x306 };
246static const u16 NCT6775_REG_FAN_STOP_TIME[] = { 0x107, 0x207, 0x307 };
247static const u16 NCT6775_REG_PWM[] = { 0x109, 0x209, 0x309 };
248static const u16 NCT6775_REG_FAN_MAX_OUTPUT[] = { 0x10a, 0x20a, 0x30a };
249static const u16 NCT6775_REG_FAN_STEP_OUTPUT[] = { 0x10b, 0x20b, 0x30b };
Guenter Roeck26bc4402011-02-11 08:00:58 -0800250static const u16 NCT6775_REG_FAN[] = { 0x630, 0x632, 0x634, 0x636, 0x638 };
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800251static const u16 NCT6776_REG_FAN_MIN[] = { 0x63a, 0x63c, 0x63e, 0x640, 0x642};
252
253static const u16 NCT6775_REG_TEMP[]
254 = { 0x27, 0x150, 0x250, 0x73, 0x75, 0x77, 0x62b, 0x62c, 0x62d };
255static const u16 NCT6775_REG_TEMP_CONFIG[]
256 = { 0, 0x152, 0x252, 0, 0, 0, 0x628, 0x629, 0x62A };
257static const u16 NCT6775_REG_TEMP_HYST[]
258 = { 0x3a, 0x153, 0x253, 0, 0, 0, 0x673, 0x678, 0x67D };
259static const u16 NCT6775_REG_TEMP_OVER[]
260 = { 0x39, 0x155, 0x255, 0, 0, 0, 0x672, 0x677, 0x67C };
261static const u16 NCT6775_REG_TEMP_SOURCE[]
262 = { 0x621, 0x622, 0x623, 0x100, 0x200, 0x300, 0x624, 0x625, 0x626 };
263
Guenter Roeckd36cf322011-02-07 15:08:54 -0800264static const char *const w83667hg_b_temp_label[] = {
265 "SYSTIN",
266 "CPUTIN",
267 "AUXTIN",
268 "AMDTSI",
269 "PECI Agent 1",
270 "PECI Agent 2",
271 "PECI Agent 3",
272 "PECI Agent 4"
273};
274
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800275static const char *const nct6775_temp_label[] = {
276 "",
277 "SYSTIN",
278 "CPUTIN",
279 "AUXTIN",
280 "AMD SB-TSI",
281 "PECI Agent 0",
282 "PECI Agent 1",
283 "PECI Agent 2",
284 "PECI Agent 3",
285 "PECI Agent 4",
286 "PECI Agent 5",
287 "PECI Agent 6",
288 "PECI Agent 7",
289 "PCH_CHIP_CPU_MAX_TEMP",
290 "PCH_CHIP_TEMP",
291 "PCH_CPU_TEMP",
292 "PCH_MCH_TEMP",
293 "PCH_DIM0_TEMP",
294 "PCH_DIM1_TEMP",
295 "PCH_DIM2_TEMP",
296 "PCH_DIM3_TEMP"
297};
298
299static const char *const nct6776_temp_label[] = {
300 "",
301 "SYSTIN",
302 "CPUTIN",
303 "AUXTIN",
304 "SMBUSMASTER 0",
305 "SMBUSMASTER 1",
306 "SMBUSMASTER 2",
307 "SMBUSMASTER 3",
308 "SMBUSMASTER 4",
309 "SMBUSMASTER 5",
310 "SMBUSMASTER 6",
311 "SMBUSMASTER 7",
312 "PECI Agent 0",
313 "PECI Agent 1",
314 "PCH_CHIP_CPU_MAX_TEMP",
315 "PCH_CHIP_TEMP",
316 "PCH_CPU_TEMP",
317 "PCH_MCH_TEMP",
318 "PCH_DIM0_TEMP",
319 "PCH_DIM1_TEMP",
320 "PCH_DIM2_TEMP",
321 "PCH_DIM3_TEMP",
322 "BYTE_TEMP"
323};
324
325#define NUM_REG_TEMP ARRAY_SIZE(NCT6775_REG_TEMP)
Guenter Roeckd36cf322011-02-07 15:08:54 -0800326
Jean Delvare17296fe2011-10-20 03:08:27 -0400327static int is_word_sized(u16 reg)
Guenter Roeckbce26c52011-02-04 12:54:14 -0800328{
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800329 return ((((reg & 0xff00) == 0x100
Guenter Roeckbce26c52011-02-04 12:54:14 -0800330 || (reg & 0xff00) == 0x200)
331 && ((reg & 0x00ff) == 0x50
332 || (reg & 0x00ff) == 0x53
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800333 || (reg & 0x00ff) == 0x55))
334 || (reg & 0xfff0) == 0x630
335 || reg == 0x640 || reg == 0x642
336 || ((reg & 0xfff0) == 0x650
337 && (reg & 0x000f) >= 0x06)
338 || reg == 0x73 || reg == 0x75 || reg == 0x77
339 );
Guenter Roeckbce26c52011-02-04 12:54:14 -0800340}
341
Jean Delvare08e7e272005-04-25 22:43:25 +0200342/*
343 * Conversions
344 */
345
Rudolf Marek08c79952006-07-05 18:14:31 +0200346/* 1 is PWM mode, output in ms */
347static inline unsigned int step_time_from_reg(u8 reg, u8 mode)
348{
349 return mode ? 100 * reg : 400 * reg;
350}
351
352static inline u8 step_time_to_reg(unsigned int msec, u8 mode)
353{
354 return SENSORS_LIMIT((mode ? (msec + 50) / 100 :
355 (msec + 200) / 400), 1, 255);
356}
357
Guenter Roeck26bc4402011-02-11 08:00:58 -0800358static unsigned int fan_from_reg8(u16 reg, unsigned int divreg)
Jean Delvare08e7e272005-04-25 22:43:25 +0200359{
Guenter Roeck26bc4402011-02-11 08:00:58 -0800360 if (reg == 0 || reg == 255)
Jean Delvare08e7e272005-04-25 22:43:25 +0200361 return 0;
Guenter Roeck26bc4402011-02-11 08:00:58 -0800362 return 1350000U / (reg << divreg);
363}
364
365static unsigned int fan_from_reg13(u16 reg, unsigned int divreg)
366{
367 if ((reg & 0xff1f) == 0xff1f)
368 return 0;
369
370 reg = (reg & 0x1f) | ((reg & 0xff00) >> 3);
371
372 if (reg == 0)
373 return 0;
374
375 return 1350000U / reg;
376}
377
378static unsigned int fan_from_reg16(u16 reg, unsigned int divreg)
379{
380 if (reg == 0 || reg == 0xffff)
381 return 0;
382
383 /*
384 * Even though the registers are 16 bit wide, the fan divisor
385 * still applies.
386 */
387 return 1350000U / (reg << divreg);
Jean Delvare08e7e272005-04-25 22:43:25 +0200388}
389
390static inline unsigned int
391div_from_reg(u8 reg)
392{
393 return 1 << reg;
394}
395
Jean Delvareeff76872011-11-04 12:00:48 +0100396/* Some of the voltage inputs have internal scaling, the tables below
397 * contain 8 (the ADC LSB in mV) * scaling factor * 100 */
398static const u16 scale_in_common[10] = {
399 800, 800, 1600, 1600, 800, 800, 800, 1600, 1600, 800
400};
401static const u16 scale_in_w83627uhg[9] = {
402 800, 800, 3328, 3424, 800, 800, 0, 3328, 3400
403};
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100404
Jean Delvareeff76872011-11-04 12:00:48 +0100405static inline long in_from_reg(u8 reg, u8 nr, const u16 *scale_in)
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100406{
Jean Delvareeff76872011-11-04 12:00:48 +0100407 return DIV_ROUND_CLOSEST(reg * scale_in[nr], 100);
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100408}
409
Jean Delvareeff76872011-11-04 12:00:48 +0100410static inline u8 in_to_reg(u32 val, u8 nr, const u16 *scale_in)
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100411{
Jean Delvareeff76872011-11-04 12:00:48 +0100412 return SENSORS_LIMIT(DIV_ROUND_CLOSEST(val * 100, scale_in[nr]), 0,
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800413 255);
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100414}
415
Jean Delvare08e7e272005-04-25 22:43:25 +0200416/*
417 * Data structures and manipulation thereof
418 */
419
420struct w83627ehf_data {
David Hubbard1ea6dd32007-06-24 11:16:15 +0200421 int addr; /* IO base of hw monitor block */
422 const char *name;
423
Tony Jones1beeffe2007-08-20 13:46:20 -0700424 struct device *hwmon_dev;
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100425 struct mutex lock;
Jean Delvare08e7e272005-04-25 22:43:25 +0200426
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800427 u16 reg_temp[NUM_REG_TEMP];
428 u16 reg_temp_over[NUM_REG_TEMP];
429 u16 reg_temp_hyst[NUM_REG_TEMP];
430 u16 reg_temp_config[NUM_REG_TEMP];
Guenter Roeckd36cf322011-02-07 15:08:54 -0800431 u8 temp_src[NUM_REG_TEMP];
432 const char * const *temp_label;
433
Guenter Roeck279af1a2011-02-13 22:34:47 -0800434 const u16 *REG_PWM;
435 const u16 *REG_TARGET;
436 const u16 *REG_FAN;
437 const u16 *REG_FAN_MIN;
438 const u16 *REG_FAN_START_OUTPUT;
439 const u16 *REG_FAN_STOP_OUTPUT;
440 const u16 *REG_FAN_STOP_TIME;
441 const u16 *REG_FAN_MAX_OUTPUT;
442 const u16 *REG_FAN_STEP_OUTPUT;
Jean Delvareeff76872011-11-04 12:00:48 +0100443 const u16 *scale_in;
Guenter Roeckda2e0252010-08-14 21:08:55 +0200444
Guenter Roeck26bc4402011-02-11 08:00:58 -0800445 unsigned int (*fan_from_reg)(u16 reg, unsigned int divreg);
446 unsigned int (*fan_from_reg_min)(u16 reg, unsigned int divreg);
447
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100448 struct mutex update_lock;
Jean Delvare08e7e272005-04-25 22:43:25 +0200449 char valid; /* !=0 if following fields are valid */
450 unsigned long last_updated; /* In jiffies */
451
452 /* Register values */
Guenter Roeck83cc8982011-02-06 08:10:15 -0800453 u8 bank; /* current register bank */
David Hubbard1ea6dd32007-06-24 11:16:15 +0200454 u8 in_num; /* number of in inputs we have */
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100455 u8 in[10]; /* Register value */
456 u8 in_max[10]; /* Register value */
457 u8 in_min[10]; /* Register value */
Guenter Roeck3382a912011-02-13 13:08:23 -0800458 unsigned int rpm[5];
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800459 u16 fan_min[5];
Jean Delvare08e7e272005-04-25 22:43:25 +0200460 u8 fan_div[5];
461 u8 has_fan; /* some fan inputs can be disabled */
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800462 u8 has_fan_min; /* some fans don't have min register */
Guenter Roeck26bc4402011-02-11 08:00:58 -0800463 bool has_fan_div;
Jean Delvareda667362007-06-24 11:21:02 +0200464 u8 temp_type[3];
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800465 s16 temp[9];
466 s16 temp_max[9];
467 s16 temp_max_hyst[9];
Jean Delvarea4589db2006-03-23 16:30:29 +0100468 u32 alarms;
Dmitry Artamonow363a12a2011-08-12 16:41:11 -0400469 u8 caseopen;
Rudolf Marek08c79952006-07-05 18:14:31 +0200470
471 u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */
472 u8 pwm_enable[4]; /* 1->manual
Daniel J Blueman41e9a062009-12-14 18:01:37 -0800473 2->thermal cruise mode (also called SmartFan I)
474 3->fan speed cruise mode
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800475 4->variable thermal cruise (also called
Guenter Roeckb84bb512011-02-13 23:01:25 -0800476 SmartFan III)
477 5->enhanced variable thermal cruise (also called
478 SmartFan IV) */
479 u8 pwm_enable_orig[4]; /* original value of pwm_enable */
Gong Jun237c8d22009-03-30 21:46:42 +0200480 u8 pwm_num; /* number of pwm */
Rudolf Marek08c79952006-07-05 18:14:31 +0200481 u8 pwm[4];
482 u8 target_temp[4];
483 u8 tolerance[4];
484
Daniel J Blueman41e9a062009-12-14 18:01:37 -0800485 u8 fan_start_output[4]; /* minimum fan speed when spinning up */
486 u8 fan_stop_output[4]; /* minimum fan speed when spinning down */
487 u8 fan_stop_time[4]; /* time at minimum before disabling fan */
488 u8 fan_max_output[4]; /* maximum fan speed */
489 u8 fan_step_output[4]; /* rate of change output value */
Jean Delvarefc18d6c2007-06-24 11:19:42 +0200490
491 u8 vid;
492 u8 vrm;
Gong Juna157d062009-03-30 21:46:43 +0200493
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800494 u16 have_temp;
Jean Delvareeff76872011-11-04 12:00:48 +0100495 u8 in6_skip:1;
496 u8 temp3_val_only:1;
Jean Delvare08e7e272005-04-25 22:43:25 +0200497};
498
David Hubbard1ea6dd32007-06-24 11:16:15 +0200499struct w83627ehf_sio_data {
500 int sioreg;
501 enum kinds kind;
502};
503
Guenter Roeck83cc8982011-02-06 08:10:15 -0800504/*
505 * On older chips, only registers 0x50-0x5f are banked.
506 * On more recent chips, all registers are banked.
507 * Assume that is the case and set the bank number for each access.
508 * Cache the bank number so it only needs to be set if it changes.
509 */
David Hubbard1ea6dd32007-06-24 11:16:15 +0200510static inline void w83627ehf_set_bank(struct w83627ehf_data *data, u16 reg)
Jean Delvare08e7e272005-04-25 22:43:25 +0200511{
Guenter Roeck83cc8982011-02-06 08:10:15 -0800512 u8 bank = reg >> 8;
513 if (data->bank != bank) {
David Hubbard1ea6dd32007-06-24 11:16:15 +0200514 outb_p(W83627EHF_REG_BANK, data->addr + ADDR_REG_OFFSET);
Guenter Roeck83cc8982011-02-06 08:10:15 -0800515 outb_p(bank, data->addr + DATA_REG_OFFSET);
516 data->bank = bank;
Jean Delvare08e7e272005-04-25 22:43:25 +0200517 }
518}
519
David Hubbard1ea6dd32007-06-24 11:16:15 +0200520static u16 w83627ehf_read_value(struct w83627ehf_data *data, u16 reg)
Jean Delvare08e7e272005-04-25 22:43:25 +0200521{
Jean Delvare08e7e272005-04-25 22:43:25 +0200522 int res, word_sized = is_word_sized(reg);
523
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100524 mutex_lock(&data->lock);
Jean Delvare08e7e272005-04-25 22:43:25 +0200525
David Hubbard1ea6dd32007-06-24 11:16:15 +0200526 w83627ehf_set_bank(data, reg);
527 outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET);
528 res = inb_p(data->addr + DATA_REG_OFFSET);
Jean Delvare08e7e272005-04-25 22:43:25 +0200529 if (word_sized) {
530 outb_p((reg & 0xff) + 1,
David Hubbard1ea6dd32007-06-24 11:16:15 +0200531 data->addr + ADDR_REG_OFFSET);
532 res = (res << 8) + inb_p(data->addr + DATA_REG_OFFSET);
Jean Delvare08e7e272005-04-25 22:43:25 +0200533 }
Jean Delvare08e7e272005-04-25 22:43:25 +0200534
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100535 mutex_unlock(&data->lock);
Jean Delvare08e7e272005-04-25 22:43:25 +0200536 return res;
537}
538
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800539static int w83627ehf_write_value(struct w83627ehf_data *data, u16 reg,
540 u16 value)
Jean Delvare08e7e272005-04-25 22:43:25 +0200541{
Jean Delvare08e7e272005-04-25 22:43:25 +0200542 int word_sized = is_word_sized(reg);
543
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100544 mutex_lock(&data->lock);
Jean Delvare08e7e272005-04-25 22:43:25 +0200545
David Hubbard1ea6dd32007-06-24 11:16:15 +0200546 w83627ehf_set_bank(data, reg);
547 outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET);
Jean Delvare08e7e272005-04-25 22:43:25 +0200548 if (word_sized) {
David Hubbard1ea6dd32007-06-24 11:16:15 +0200549 outb_p(value >> 8, data->addr + DATA_REG_OFFSET);
Jean Delvare08e7e272005-04-25 22:43:25 +0200550 outb_p((reg & 0xff) + 1,
David Hubbard1ea6dd32007-06-24 11:16:15 +0200551 data->addr + ADDR_REG_OFFSET);
Jean Delvare08e7e272005-04-25 22:43:25 +0200552 }
David Hubbard1ea6dd32007-06-24 11:16:15 +0200553 outb_p(value & 0xff, data->addr + DATA_REG_OFFSET);
Jean Delvare08e7e272005-04-25 22:43:25 +0200554
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100555 mutex_unlock(&data->lock);
Jean Delvare08e7e272005-04-25 22:43:25 +0200556 return 0;
557}
558
Jean Delvarec5794cf2011-10-20 03:13:31 -0400559/* We left-align 8-bit temperature values to make the code simpler */
560static u16 w83627ehf_read_temp(struct w83627ehf_data *data, u16 reg)
561{
562 u16 res;
563
564 res = w83627ehf_read_value(data, reg);
565 if (!is_word_sized(reg))
566 res <<= 8;
567
568 return res;
569}
570
571static int w83627ehf_write_temp(struct w83627ehf_data *data, u16 reg,
572 u16 value)
573{
574 if (!is_word_sized(reg))
575 value >>= 8;
576 return w83627ehf_write_value(data, reg, value);
577}
578
Jean Delvare08e7e272005-04-25 22:43:25 +0200579/* This function assumes that the caller holds data->update_lock */
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800580static void nct6775_write_fan_div(struct w83627ehf_data *data, int nr)
581{
582 u8 reg;
583
584 switch (nr) {
585 case 0:
586 reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV1) & 0x70)
587 | (data->fan_div[0] & 0x7);
588 w83627ehf_write_value(data, NCT6775_REG_FANDIV1, reg);
589 break;
590 case 1:
591 reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV1) & 0x7)
592 | ((data->fan_div[1] << 4) & 0x70);
593 w83627ehf_write_value(data, NCT6775_REG_FANDIV1, reg);
594 case 2:
595 reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV2) & 0x70)
596 | (data->fan_div[2] & 0x7);
597 w83627ehf_write_value(data, NCT6775_REG_FANDIV2, reg);
598 break;
599 case 3:
600 reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV2) & 0x7)
601 | ((data->fan_div[3] << 4) & 0x70);
602 w83627ehf_write_value(data, NCT6775_REG_FANDIV2, reg);
603 break;
604 }
605}
606
607/* This function assumes that the caller holds data->update_lock */
David Hubbard1ea6dd32007-06-24 11:16:15 +0200608static void w83627ehf_write_fan_div(struct w83627ehf_data *data, int nr)
Jean Delvare08e7e272005-04-25 22:43:25 +0200609{
Jean Delvare08e7e272005-04-25 22:43:25 +0200610 u8 reg;
611
612 switch (nr) {
613 case 0:
David Hubbard1ea6dd32007-06-24 11:16:15 +0200614 reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV1) & 0xcf)
Jean Delvare08e7e272005-04-25 22:43:25 +0200615 | ((data->fan_div[0] & 0x03) << 4);
Rudolf Marek14992c72006-10-08 22:02:09 +0200616 /* fan5 input control bit is write only, compute the value */
617 reg |= (data->has_fan & (1 << 4)) ? 1 : 0;
David Hubbard1ea6dd32007-06-24 11:16:15 +0200618 w83627ehf_write_value(data, W83627EHF_REG_FANDIV1, reg);
619 reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0xdf)
Jean Delvare08e7e272005-04-25 22:43:25 +0200620 | ((data->fan_div[0] & 0x04) << 3);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200621 w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg);
Jean Delvare08e7e272005-04-25 22:43:25 +0200622 break;
623 case 1:
David Hubbard1ea6dd32007-06-24 11:16:15 +0200624 reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV1) & 0x3f)
Jean Delvare08e7e272005-04-25 22:43:25 +0200625 | ((data->fan_div[1] & 0x03) << 6);
Rudolf Marek14992c72006-10-08 22:02:09 +0200626 /* fan5 input control bit is write only, compute the value */
627 reg |= (data->has_fan & (1 << 4)) ? 1 : 0;
David Hubbard1ea6dd32007-06-24 11:16:15 +0200628 w83627ehf_write_value(data, W83627EHF_REG_FANDIV1, reg);
629 reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0xbf)
Jean Delvare08e7e272005-04-25 22:43:25 +0200630 | ((data->fan_div[1] & 0x04) << 4);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200631 w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg);
Jean Delvare08e7e272005-04-25 22:43:25 +0200632 break;
633 case 2:
David Hubbard1ea6dd32007-06-24 11:16:15 +0200634 reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV2) & 0x3f)
Jean Delvare08e7e272005-04-25 22:43:25 +0200635 | ((data->fan_div[2] & 0x03) << 6);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200636 w83627ehf_write_value(data, W83627EHF_REG_FANDIV2, reg);
637 reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0x7f)
Jean Delvare08e7e272005-04-25 22:43:25 +0200638 | ((data->fan_div[2] & 0x04) << 5);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200639 w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg);
Jean Delvare08e7e272005-04-25 22:43:25 +0200640 break;
641 case 3:
David Hubbard1ea6dd32007-06-24 11:16:15 +0200642 reg = (w83627ehf_read_value(data, W83627EHF_REG_DIODE) & 0xfc)
Jean Delvare08e7e272005-04-25 22:43:25 +0200643 | (data->fan_div[3] & 0x03);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200644 w83627ehf_write_value(data, W83627EHF_REG_DIODE, reg);
645 reg = (w83627ehf_read_value(data, W83627EHF_REG_SMI_OVT) & 0x7f)
Jean Delvare08e7e272005-04-25 22:43:25 +0200646 | ((data->fan_div[3] & 0x04) << 5);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200647 w83627ehf_write_value(data, W83627EHF_REG_SMI_OVT, reg);
Jean Delvare08e7e272005-04-25 22:43:25 +0200648 break;
649 case 4:
David Hubbard1ea6dd32007-06-24 11:16:15 +0200650 reg = (w83627ehf_read_value(data, W83627EHF_REG_DIODE) & 0x73)
Jean Delvare33725ad2007-04-17 00:32:27 -0700651 | ((data->fan_div[4] & 0x03) << 2)
Jean Delvare08e7e272005-04-25 22:43:25 +0200652 | ((data->fan_div[4] & 0x04) << 5);
David Hubbard1ea6dd32007-06-24 11:16:15 +0200653 w83627ehf_write_value(data, W83627EHF_REG_DIODE, reg);
Jean Delvare08e7e272005-04-25 22:43:25 +0200654 break;
655 }
656}
657
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800658static void w83627ehf_write_fan_div_common(struct device *dev,
659 struct w83627ehf_data *data, int nr)
660{
661 struct w83627ehf_sio_data *sio_data = dev->platform_data;
662
663 if (sio_data->kind == nct6776)
664 ; /* no dividers, do nothing */
665 else if (sio_data->kind == nct6775)
666 nct6775_write_fan_div(data, nr);
667 else
668 w83627ehf_write_fan_div(data, nr);
669}
670
671static void nct6775_update_fan_div(struct w83627ehf_data *data)
672{
673 u8 i;
674
675 i = w83627ehf_read_value(data, NCT6775_REG_FANDIV1);
676 data->fan_div[0] = i & 0x7;
677 data->fan_div[1] = (i & 0x70) >> 4;
678 i = w83627ehf_read_value(data, NCT6775_REG_FANDIV2);
679 data->fan_div[2] = i & 0x7;
680 if (data->has_fan & (1<<3))
681 data->fan_div[3] = (i & 0x70) >> 4;
682}
683
Mark M. Hoffmanea7be662007-08-05 12:19:01 -0400684static void w83627ehf_update_fan_div(struct w83627ehf_data *data)
685{
686 int i;
687
688 i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1);
689 data->fan_div[0] = (i >> 4) & 0x03;
690 data->fan_div[1] = (i >> 6) & 0x03;
691 i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV2);
692 data->fan_div[2] = (i >> 6) & 0x03;
693 i = w83627ehf_read_value(data, W83627EHF_REG_VBAT);
694 data->fan_div[0] |= (i >> 3) & 0x04;
695 data->fan_div[1] |= (i >> 4) & 0x04;
696 data->fan_div[2] |= (i >> 5) & 0x04;
697 if (data->has_fan & ((1 << 3) | (1 << 4))) {
698 i = w83627ehf_read_value(data, W83627EHF_REG_DIODE);
699 data->fan_div[3] = i & 0x03;
700 data->fan_div[4] = ((i >> 2) & 0x03)
701 | ((i >> 5) & 0x04);
702 }
703 if (data->has_fan & (1 << 3)) {
704 i = w83627ehf_read_value(data, W83627EHF_REG_SMI_OVT);
705 data->fan_div[3] |= (i >> 5) & 0x04;
706 }
707}
708
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800709static void w83627ehf_update_fan_div_common(struct device *dev,
710 struct w83627ehf_data *data)
711{
712 struct w83627ehf_sio_data *sio_data = dev->platform_data;
713
714 if (sio_data->kind == nct6776)
715 ; /* no dividers, do nothing */
716 else if (sio_data->kind == nct6775)
717 nct6775_update_fan_div(data);
718 else
719 w83627ehf_update_fan_div(data);
720}
721
722static void nct6775_update_pwm(struct w83627ehf_data *data)
723{
724 int i;
725 int pwmcfg, fanmodecfg;
726
727 for (i = 0; i < data->pwm_num; i++) {
728 pwmcfg = w83627ehf_read_value(data,
729 W83627EHF_REG_PWM_ENABLE[i]);
730 fanmodecfg = w83627ehf_read_value(data,
731 NCT6775_REG_FAN_MODE[i]);
732 data->pwm_mode[i] =
733 ((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1) ? 0 : 1;
734 data->pwm_enable[i] = ((fanmodecfg >> 4) & 7) + 1;
735 data->tolerance[i] = fanmodecfg & 0x0f;
736 data->pwm[i] = w83627ehf_read_value(data, data->REG_PWM[i]);
737 }
738}
739
740static void w83627ehf_update_pwm(struct w83627ehf_data *data)
741{
742 int i;
743 int pwmcfg = 0, tolerance = 0; /* shut up the compiler */
744
745 for (i = 0; i < data->pwm_num; i++) {
746 if (!(data->has_fan & (1 << i)))
747 continue;
748
749 /* pwmcfg, tolerance mapped for i=0, i=1 to same reg */
750 if (i != 1) {
751 pwmcfg = w83627ehf_read_value(data,
752 W83627EHF_REG_PWM_ENABLE[i]);
753 tolerance = w83627ehf_read_value(data,
754 W83627EHF_REG_TOLERANCE[i]);
755 }
756 data->pwm_mode[i] =
757 ((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1) ? 0 : 1;
758 data->pwm_enable[i] = ((pwmcfg >> W83627EHF_PWM_ENABLE_SHIFT[i])
759 & 3) + 1;
760 data->pwm[i] = w83627ehf_read_value(data, data->REG_PWM[i]);
761
762 data->tolerance[i] = (tolerance >> (i == 1 ? 4 : 0)) & 0x0f;
763 }
764}
765
766static void w83627ehf_update_pwm_common(struct device *dev,
767 struct w83627ehf_data *data)
768{
769 struct w83627ehf_sio_data *sio_data = dev->platform_data;
770
771 if (sio_data->kind == nct6775 || sio_data->kind == nct6776)
772 nct6775_update_pwm(data);
773 else
774 w83627ehf_update_pwm(data);
775}
776
Jean Delvare08e7e272005-04-25 22:43:25 +0200777static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
778{
David Hubbard1ea6dd32007-06-24 11:16:15 +0200779 struct w83627ehf_data *data = dev_get_drvdata(dev);
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800780 struct w83627ehf_sio_data *sio_data = dev->platform_data;
781
Jean Delvare08e7e272005-04-25 22:43:25 +0200782 int i;
783
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100784 mutex_lock(&data->update_lock);
Jean Delvare08e7e272005-04-25 22:43:25 +0200785
Jean Delvare6b3e4642007-06-24 11:19:01 +0200786 if (time_after(jiffies, data->last_updated + HZ + HZ/2)
Jean Delvare08e7e272005-04-25 22:43:25 +0200787 || !data->valid) {
788 /* Fan clock dividers */
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800789 w83627ehf_update_fan_div_common(dev, data);
Jean Delvare08e7e272005-04-25 22:43:25 +0200790
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100791 /* Measured voltages and limits */
David Hubbard1ea6dd32007-06-24 11:16:15 +0200792 for (i = 0; i < data->in_num; i++) {
Jean Delvare389ef652011-10-13 10:40:53 -0400793 if ((i == 6) && data->in6_skip)
794 continue;
795
David Hubbard1ea6dd32007-06-24 11:16:15 +0200796 data->in[i] = w83627ehf_read_value(data,
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100797 W83627EHF_REG_IN(i));
David Hubbard1ea6dd32007-06-24 11:16:15 +0200798 data->in_min[i] = w83627ehf_read_value(data,
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100799 W83627EHF_REG_IN_MIN(i));
David Hubbard1ea6dd32007-06-24 11:16:15 +0200800 data->in_max[i] = w83627ehf_read_value(data,
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100801 W83627EHF_REG_IN_MAX(i));
802 }
803
Jean Delvare08e7e272005-04-25 22:43:25 +0200804 /* Measured fan speeds and limits */
805 for (i = 0; i < 5; i++) {
Guenter Roeck3382a912011-02-13 13:08:23 -0800806 u16 reg;
807
Jean Delvare08e7e272005-04-25 22:43:25 +0200808 if (!(data->has_fan & (1 << i)))
809 continue;
810
Guenter Roeck3382a912011-02-13 13:08:23 -0800811 reg = w83627ehf_read_value(data, data->REG_FAN[i]);
812 data->rpm[i] = data->fan_from_reg(reg,
813 data->fan_div[i]);
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800814
815 if (data->has_fan_min & (1 << i))
816 data->fan_min[i] = w83627ehf_read_value(data,
Guenter Roeck279af1a2011-02-13 22:34:47 -0800817 data->REG_FAN_MIN[i]);
Jean Delvare08e7e272005-04-25 22:43:25 +0200818
819 /* If we failed to measure the fan speed and clock
820 divider can be increased, let's try that for next
821 time */
Guenter Roeck26bc4402011-02-11 08:00:58 -0800822 if (data->has_fan_div
Guenter Roeck3382a912011-02-13 13:08:23 -0800823 && (reg >= 0xff || (sio_data->kind == nct6775
824 && reg == 0x00))
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800825 && data->fan_div[i] < 0x07) {
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800826 dev_dbg(dev, "Increasing fan%d "
Jean Delvare08e7e272005-04-25 22:43:25 +0200827 "clock divider from %u to %u\n",
Jean Delvare33725ad2007-04-17 00:32:27 -0700828 i + 1, div_from_reg(data->fan_div[i]),
Jean Delvare08e7e272005-04-25 22:43:25 +0200829 div_from_reg(data->fan_div[i] + 1));
830 data->fan_div[i]++;
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800831 w83627ehf_write_fan_div_common(dev, data, i);
Jean Delvare08e7e272005-04-25 22:43:25 +0200832 /* Preserve min limit if possible */
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800833 if ((data->has_fan_min & (1 << i))
834 && data->fan_min[i] >= 2
Jean Delvare08e7e272005-04-25 22:43:25 +0200835 && data->fan_min[i] != 255)
David Hubbard1ea6dd32007-06-24 11:16:15 +0200836 w83627ehf_write_value(data,
Guenter Roeck279af1a2011-02-13 22:34:47 -0800837 data->REG_FAN_MIN[i],
Jean Delvare08e7e272005-04-25 22:43:25 +0200838 (data->fan_min[i] /= 2));
839 }
840 }
841
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800842 w83627ehf_update_pwm_common(dev, data);
843
Guenter Roeckda2e0252010-08-14 21:08:55 +0200844 for (i = 0; i < data->pwm_num; i++) {
845 if (!(data->has_fan & (1 << i)))
846 continue;
847
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800848 data->fan_start_output[i] =
849 w83627ehf_read_value(data,
850 data->REG_FAN_START_OUTPUT[i]);
851 data->fan_stop_output[i] =
852 w83627ehf_read_value(data,
853 data->REG_FAN_STOP_OUTPUT[i]);
854 data->fan_stop_time[i] =
855 w83627ehf_read_value(data,
856 data->REG_FAN_STOP_TIME[i]);
Guenter Roeckda2e0252010-08-14 21:08:55 +0200857
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800858 if (data->REG_FAN_MAX_OUTPUT &&
859 data->REG_FAN_MAX_OUTPUT[i] != 0xff)
Guenter Roeckda2e0252010-08-14 21:08:55 +0200860 data->fan_max_output[i] =
861 w83627ehf_read_value(data,
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800862 data->REG_FAN_MAX_OUTPUT[i]);
Guenter Roeckda2e0252010-08-14 21:08:55 +0200863
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800864 if (data->REG_FAN_STEP_OUTPUT &&
865 data->REG_FAN_STEP_OUTPUT[i] != 0xff)
Guenter Roeckda2e0252010-08-14 21:08:55 +0200866 data->fan_step_output[i] =
867 w83627ehf_read_value(data,
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800868 data->REG_FAN_STEP_OUTPUT[i]);
Guenter Roeckda2e0252010-08-14 21:08:55 +0200869
Rudolf Marek08c79952006-07-05 18:14:31 +0200870 data->target_temp[i] =
David Hubbard1ea6dd32007-06-24 11:16:15 +0200871 w83627ehf_read_value(data,
Guenter Roeck279af1a2011-02-13 22:34:47 -0800872 data->REG_TARGET[i]) &
Rudolf Marek08c79952006-07-05 18:14:31 +0200873 (data->pwm_mode[i] == 1 ? 0x7f : 0xff);
Rudolf Marek08c79952006-07-05 18:14:31 +0200874 }
875
Jean Delvare08e7e272005-04-25 22:43:25 +0200876 /* Measured temperatures and limits */
Guenter Roeckd36cf322011-02-07 15:08:54 -0800877 for (i = 0; i < NUM_REG_TEMP; i++) {
878 if (!(data->have_temp & (1 << i)))
879 continue;
Jean Delvarec5794cf2011-10-20 03:13:31 -0400880 data->temp[i] = w83627ehf_read_temp(data,
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800881 data->reg_temp[i]);
882 if (data->reg_temp_over[i])
883 data->temp_max[i]
Jean Delvarec5794cf2011-10-20 03:13:31 -0400884 = w83627ehf_read_temp(data,
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800885 data->reg_temp_over[i]);
886 if (data->reg_temp_hyst[i])
887 data->temp_max_hyst[i]
Jean Delvarec5794cf2011-10-20 03:13:31 -0400888 = w83627ehf_read_temp(data,
Guenter Roeckec3e5a12011-02-02 08:46:49 -0800889 data->reg_temp_hyst[i]);
Jean Delvare08e7e272005-04-25 22:43:25 +0200890 }
891
David Hubbard1ea6dd32007-06-24 11:16:15 +0200892 data->alarms = w83627ehf_read_value(data,
Jean Delvarea4589db2006-03-23 16:30:29 +0100893 W83627EHF_REG_ALARM1) |
David Hubbard1ea6dd32007-06-24 11:16:15 +0200894 (w83627ehf_read_value(data,
Jean Delvarea4589db2006-03-23 16:30:29 +0100895 W83627EHF_REG_ALARM2) << 8) |
David Hubbard1ea6dd32007-06-24 11:16:15 +0200896 (w83627ehf_read_value(data,
Jean Delvarea4589db2006-03-23 16:30:29 +0100897 W83627EHF_REG_ALARM3) << 16);
898
Dmitry Artamonow363a12a2011-08-12 16:41:11 -0400899 data->caseopen = w83627ehf_read_value(data,
900 W83627EHF_REG_CASEOPEN_DET);
901
Jean Delvare08e7e272005-04-25 22:43:25 +0200902 data->last_updated = jiffies;
903 data->valid = 1;
904 }
905
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100906 mutex_unlock(&data->update_lock);
Jean Delvare08e7e272005-04-25 22:43:25 +0200907 return data;
908}
909
910/*
911 * Sysfs callback functions
912 */
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100913#define show_in_reg(reg) \
914static ssize_t \
915show_##reg(struct device *dev, struct device_attribute *attr, \
916 char *buf) \
917{ \
918 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800919 struct sensor_device_attribute *sensor_attr = \
920 to_sensor_dev_attr(attr); \
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100921 int nr = sensor_attr->index; \
Jean Delvareeff76872011-11-04 12:00:48 +0100922 return sprintf(buf, "%ld\n", in_from_reg(data->reg[nr], nr, \
923 data->scale_in)); \
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100924}
925show_in_reg(in)
926show_in_reg(in_min)
927show_in_reg(in_max)
928
929#define store_in_reg(REG, reg) \
930static ssize_t \
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800931store_in_##reg(struct device *dev, struct device_attribute *attr, \
932 const char *buf, size_t count) \
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100933{ \
David Hubbard1ea6dd32007-06-24 11:16:15 +0200934 struct w83627ehf_data *data = dev_get_drvdata(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800935 struct sensor_device_attribute *sensor_attr = \
936 to_sensor_dev_attr(attr); \
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100937 int nr = sensor_attr->index; \
Guenter Roeckbce26c52011-02-04 12:54:14 -0800938 unsigned long val; \
939 int err; \
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +0100940 err = kstrtoul(buf, 10, &val); \
Guenter Roeckbce26c52011-02-04 12:54:14 -0800941 if (err < 0) \
942 return err; \
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100943 mutex_lock(&data->update_lock); \
Jean Delvareeff76872011-11-04 12:00:48 +0100944 data->in_##reg[nr] = in_to_reg(val, nr, data->scale_in); \
David Hubbard1ea6dd32007-06-24 11:16:15 +0200945 w83627ehf_write_value(data, W83627EHF_REG_IN_##REG(nr), \
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100946 data->in_##reg[nr]); \
947 mutex_unlock(&data->update_lock); \
948 return count; \
949}
950
951store_in_reg(MIN, min)
952store_in_reg(MAX, max)
953
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800954static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
955 char *buf)
Jean Delvarea4589db2006-03-23 16:30:29 +0100956{
957 struct w83627ehf_data *data = w83627ehf_update_device(dev);
958 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
959 int nr = sensor_attr->index;
960 return sprintf(buf, "%u\n", (data->alarms >> nr) & 0x01);
961}
962
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100963static struct sensor_device_attribute sda_in_input[] = {
964 SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0),
965 SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1),
966 SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2),
967 SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3),
968 SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4),
969 SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5),
970 SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6),
971 SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7),
972 SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8),
973 SENSOR_ATTR(in9_input, S_IRUGO, show_in, NULL, 9),
974};
975
Jean Delvarea4589db2006-03-23 16:30:29 +0100976static struct sensor_device_attribute sda_in_alarm[] = {
977 SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0),
978 SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1),
979 SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2),
980 SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3),
981 SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8),
982 SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 21),
983 SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 20),
984 SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16),
985 SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17),
986 SENSOR_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 19),
987};
988
Rudolf Marekcf0676f2006-03-23 16:25:22 +0100989static struct sensor_device_attribute sda_in_min[] = {
Guenter Roecke7e1ca62011-02-04 13:24:30 -0800990 SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0),
991 SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1),
992 SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2),
993 SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3),
994 SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4),
995 SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5),
996 SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6),
997 SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7),
998 SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8),
999 SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 9),
Rudolf Marekcf0676f2006-03-23 16:25:22 +01001000};
1001
1002static struct sensor_device_attribute sda_in_max[] = {
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001003 SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0),
1004 SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1),
1005 SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2),
1006 SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3),
1007 SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4),
1008 SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5),
1009 SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6),
1010 SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7),
1011 SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8),
1012 SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9),
Rudolf Marekcf0676f2006-03-23 16:25:22 +01001013};
1014
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001015static ssize_t
1016show_fan(struct device *dev, struct device_attribute *attr, char *buf)
1017{
1018 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1019 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1020 int nr = sensor_attr->index;
Guenter Roeck3382a912011-02-13 13:08:23 -08001021 return sprintf(buf, "%d\n", data->rpm[nr]);
Jean Delvare08e7e272005-04-25 22:43:25 +02001022}
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001023
1024static ssize_t
1025show_fan_min(struct device *dev, struct device_attribute *attr, char *buf)
1026{
1027 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1028 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1029 int nr = sensor_attr->index;
1030 return sprintf(buf, "%d\n",
Guenter Roeck26bc4402011-02-11 08:00:58 -08001031 data->fan_from_reg_min(data->fan_min[nr],
1032 data->fan_div[nr]));
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001033}
Jean Delvare08e7e272005-04-25 22:43:25 +02001034
1035static ssize_t
Yuan Mu412fec82006-02-05 23:24:16 +01001036show_fan_div(struct device *dev, struct device_attribute *attr,
1037 char *buf)
Jean Delvare08e7e272005-04-25 22:43:25 +02001038{
1039 struct w83627ehf_data *data = w83627ehf_update_device(dev);
Yuan Mu412fec82006-02-05 23:24:16 +01001040 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1041 int nr = sensor_attr->index;
1042 return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr]));
Jean Delvare08e7e272005-04-25 22:43:25 +02001043}
1044
1045static ssize_t
Yuan Mu412fec82006-02-05 23:24:16 +01001046store_fan_min(struct device *dev, struct device_attribute *attr,
1047 const char *buf, size_t count)
Jean Delvare08e7e272005-04-25 22:43:25 +02001048{
David Hubbard1ea6dd32007-06-24 11:16:15 +02001049 struct w83627ehf_data *data = dev_get_drvdata(dev);
Yuan Mu412fec82006-02-05 23:24:16 +01001050 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1051 int nr = sensor_attr->index;
Guenter Roeckbce26c52011-02-04 12:54:14 -08001052 unsigned long val;
1053 int err;
Jean Delvare08e7e272005-04-25 22:43:25 +02001054 unsigned int reg;
1055 u8 new_div;
1056
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001057 err = kstrtoul(buf, 10, &val);
Guenter Roeckbce26c52011-02-04 12:54:14 -08001058 if (err < 0)
1059 return err;
1060
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001061 mutex_lock(&data->update_lock);
Guenter Roeck26bc4402011-02-11 08:00:58 -08001062 if (!data->has_fan_div) {
1063 /*
1064 * Only NCT6776F for now, so we know that this is a 13 bit
1065 * register
1066 */
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001067 if (!val) {
1068 val = 0xff1f;
1069 } else {
1070 if (val > 1350000U)
1071 val = 135000U;
1072 val = 1350000U / val;
1073 val = (val & 0x1f) | ((val << 3) & 0xff00);
1074 }
1075 data->fan_min[nr] = val;
1076 goto done; /* Leave fan divider alone */
1077 }
Jean Delvare08e7e272005-04-25 22:43:25 +02001078 if (!val) {
1079 /* No min limit, alarm disabled */
1080 data->fan_min[nr] = 255;
1081 new_div = data->fan_div[nr]; /* No change */
1082 dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1);
1083 } else if ((reg = 1350000U / val) >= 128 * 255) {
1084 /* Speed below this value cannot possibly be represented,
1085 even with the highest divider (128) */
1086 data->fan_min[nr] = 254;
1087 new_div = 7; /* 128 == (1 << 7) */
Guenter Roeckbce26c52011-02-04 12:54:14 -08001088 dev_warn(dev, "fan%u low limit %lu below minimum %u, set to "
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001089 "minimum\n", nr + 1, val,
Guenter Roeck26bc4402011-02-11 08:00:58 -08001090 data->fan_from_reg_min(254, 7));
Jean Delvare08e7e272005-04-25 22:43:25 +02001091 } else if (!reg) {
1092 /* Speed above this value cannot possibly be represented,
1093 even with the lowest divider (1) */
1094 data->fan_min[nr] = 1;
1095 new_div = 0; /* 1 == (1 << 0) */
Guenter Roeckbce26c52011-02-04 12:54:14 -08001096 dev_warn(dev, "fan%u low limit %lu above maximum %u, set to "
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001097 "maximum\n", nr + 1, val,
Guenter Roeck26bc4402011-02-11 08:00:58 -08001098 data->fan_from_reg_min(1, 0));
Jean Delvare08e7e272005-04-25 22:43:25 +02001099 } else {
1100 /* Automatically pick the best divider, i.e. the one such
1101 that the min limit will correspond to a register value
1102 in the 96..192 range */
1103 new_div = 0;
1104 while (reg > 192 && new_div < 7) {
1105 reg >>= 1;
1106 new_div++;
1107 }
1108 data->fan_min[nr] = reg;
1109 }
1110
1111 /* Write both the fan clock divider (if it changed) and the new
1112 fan min (unconditionally) */
1113 if (new_div != data->fan_div[nr]) {
Jean Delvare08e7e272005-04-25 22:43:25 +02001114 dev_dbg(dev, "fan%u clock divider changed from %u to %u\n",
1115 nr + 1, div_from_reg(data->fan_div[nr]),
1116 div_from_reg(new_div));
1117 data->fan_div[nr] = new_div;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001118 w83627ehf_write_fan_div_common(dev, data, nr);
Jean Delvare6b3e4642007-06-24 11:19:01 +02001119 /* Give the chip time to sample a new speed value */
1120 data->last_updated = jiffies;
Jean Delvare08e7e272005-04-25 22:43:25 +02001121 }
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001122done:
Guenter Roeck279af1a2011-02-13 22:34:47 -08001123 w83627ehf_write_value(data, data->REG_FAN_MIN[nr],
Jean Delvare08e7e272005-04-25 22:43:25 +02001124 data->fan_min[nr]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001125 mutex_unlock(&data->update_lock);
Jean Delvare08e7e272005-04-25 22:43:25 +02001126
1127 return count;
1128}
1129
Yuan Mu412fec82006-02-05 23:24:16 +01001130static struct sensor_device_attribute sda_fan_input[] = {
1131 SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0),
1132 SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1),
1133 SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2),
1134 SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3),
1135 SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4),
1136};
Jean Delvare08e7e272005-04-25 22:43:25 +02001137
Jean Delvarea4589db2006-03-23 16:30:29 +01001138static struct sensor_device_attribute sda_fan_alarm[] = {
1139 SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6),
1140 SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7),
1141 SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11),
1142 SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 10),
1143 SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 23),
1144};
1145
Yuan Mu412fec82006-02-05 23:24:16 +01001146static struct sensor_device_attribute sda_fan_min[] = {
1147 SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min,
1148 store_fan_min, 0),
1149 SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min,
1150 store_fan_min, 1),
1151 SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min,
1152 store_fan_min, 2),
1153 SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min,
1154 store_fan_min, 3),
1155 SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min,
1156 store_fan_min, 4),
1157};
Jean Delvare08e7e272005-04-25 22:43:25 +02001158
Yuan Mu412fec82006-02-05 23:24:16 +01001159static struct sensor_device_attribute sda_fan_div[] = {
1160 SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0),
1161 SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1),
1162 SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2),
1163 SENSOR_ATTR(fan4_div, S_IRUGO, show_fan_div, NULL, 3),
1164 SENSOR_ATTR(fan5_div, S_IRUGO, show_fan_div, NULL, 4),
1165};
Jean Delvare08e7e272005-04-25 22:43:25 +02001166
Guenter Roeckd36cf322011-02-07 15:08:54 -08001167static ssize_t
1168show_temp_label(struct device *dev, struct device_attribute *attr, char *buf)
1169{
1170 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1171 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1172 int nr = sensor_attr->index;
1173 return sprintf(buf, "%s\n", data->temp_label[data->temp_src[nr]]);
1174}
1175
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001176#define show_temp_reg(addr, reg) \
Jean Delvare08e7e272005-04-25 22:43:25 +02001177static ssize_t \
Yuan Mu412fec82006-02-05 23:24:16 +01001178show_##reg(struct device *dev, struct device_attribute *attr, \
1179 char *buf) \
Jean Delvare08e7e272005-04-25 22:43:25 +02001180{ \
1181 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001182 struct sensor_device_attribute *sensor_attr = \
1183 to_sensor_dev_attr(attr); \
Yuan Mu412fec82006-02-05 23:24:16 +01001184 int nr = sensor_attr->index; \
Jean Delvarec5794cf2011-10-20 03:13:31 -04001185 return sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(data->reg[nr])); \
Jean Delvare08e7e272005-04-25 22:43:25 +02001186}
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001187show_temp_reg(reg_temp, temp);
1188show_temp_reg(reg_temp_over, temp_max);
1189show_temp_reg(reg_temp_hyst, temp_max_hyst);
Jean Delvare08e7e272005-04-25 22:43:25 +02001190
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001191#define store_temp_reg(addr, reg) \
Jean Delvare08e7e272005-04-25 22:43:25 +02001192static ssize_t \
Yuan Mu412fec82006-02-05 23:24:16 +01001193store_##reg(struct device *dev, struct device_attribute *attr, \
1194 const char *buf, size_t count) \
Jean Delvare08e7e272005-04-25 22:43:25 +02001195{ \
David Hubbard1ea6dd32007-06-24 11:16:15 +02001196 struct w83627ehf_data *data = dev_get_drvdata(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001197 struct sensor_device_attribute *sensor_attr = \
1198 to_sensor_dev_attr(attr); \
Yuan Mu412fec82006-02-05 23:24:16 +01001199 int nr = sensor_attr->index; \
Guenter Roeckbce26c52011-02-04 12:54:14 -08001200 int err; \
1201 long val; \
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001202 err = kstrtol(buf, 10, &val); \
Guenter Roeckbce26c52011-02-04 12:54:14 -08001203 if (err < 0) \
1204 return err; \
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001205 mutex_lock(&data->update_lock); \
Jean Delvarec5794cf2011-10-20 03:13:31 -04001206 data->reg[nr] = LM75_TEMP_TO_REG(val); \
1207 w83627ehf_write_temp(data, data->addr[nr], data->reg[nr]); \
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001208 mutex_unlock(&data->update_lock); \
Jean Delvare08e7e272005-04-25 22:43:25 +02001209 return count; \
1210}
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001211store_temp_reg(reg_temp_over, temp_max);
1212store_temp_reg(reg_temp_hyst, temp_max_hyst);
Jean Delvare08e7e272005-04-25 22:43:25 +02001213
Jean Delvareda667362007-06-24 11:21:02 +02001214static ssize_t
1215show_temp_type(struct device *dev, struct device_attribute *attr, char *buf)
1216{
1217 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1218 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1219 int nr = sensor_attr->index;
1220 return sprintf(buf, "%d\n", (int)data->temp_type[nr]);
1221}
1222
Gong Juna157d062009-03-30 21:46:43 +02001223static struct sensor_device_attribute sda_temp_input[] = {
Guenter Roeckbce26c52011-02-04 12:54:14 -08001224 SENSOR_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0),
1225 SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1),
1226 SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2),
Guenter Roeckd36cf322011-02-07 15:08:54 -08001227 SENSOR_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3),
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001228 SENSOR_ATTR(temp5_input, S_IRUGO, show_temp, NULL, 4),
1229 SENSOR_ATTR(temp6_input, S_IRUGO, show_temp, NULL, 5),
1230 SENSOR_ATTR(temp7_input, S_IRUGO, show_temp, NULL, 6),
1231 SENSOR_ATTR(temp8_input, S_IRUGO, show_temp, NULL, 7),
1232 SENSOR_ATTR(temp9_input, S_IRUGO, show_temp, NULL, 8),
Guenter Roeckd36cf322011-02-07 15:08:54 -08001233};
1234
1235static struct sensor_device_attribute sda_temp_label[] = {
1236 SENSOR_ATTR(temp1_label, S_IRUGO, show_temp_label, NULL, 0),
1237 SENSOR_ATTR(temp2_label, S_IRUGO, show_temp_label, NULL, 1),
1238 SENSOR_ATTR(temp3_label, S_IRUGO, show_temp_label, NULL, 2),
1239 SENSOR_ATTR(temp4_label, S_IRUGO, show_temp_label, NULL, 3),
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001240 SENSOR_ATTR(temp5_label, S_IRUGO, show_temp_label, NULL, 4),
1241 SENSOR_ATTR(temp6_label, S_IRUGO, show_temp_label, NULL, 5),
1242 SENSOR_ATTR(temp7_label, S_IRUGO, show_temp_label, NULL, 6),
1243 SENSOR_ATTR(temp8_label, S_IRUGO, show_temp_label, NULL, 7),
1244 SENSOR_ATTR(temp9_label, S_IRUGO, show_temp_label, NULL, 8),
Gong Juna157d062009-03-30 21:46:43 +02001245};
1246
1247static struct sensor_device_attribute sda_temp_max[] = {
Guenter Roeckbce26c52011-02-04 12:54:14 -08001248 SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp_max,
Yuan Mu412fec82006-02-05 23:24:16 +01001249 store_temp_max, 0),
Guenter Roeckbce26c52011-02-04 12:54:14 -08001250 SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, show_temp_max,
Yuan Mu412fec82006-02-05 23:24:16 +01001251 store_temp_max, 1),
Guenter Roeckbce26c52011-02-04 12:54:14 -08001252 SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, show_temp_max,
1253 store_temp_max, 2),
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001254 SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR, show_temp_max,
1255 store_temp_max, 3),
1256 SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR, show_temp_max,
1257 store_temp_max, 4),
1258 SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR, show_temp_max,
1259 store_temp_max, 5),
1260 SENSOR_ATTR(temp7_max, S_IRUGO | S_IWUSR, show_temp_max,
1261 store_temp_max, 6),
1262 SENSOR_ATTR(temp8_max, S_IRUGO | S_IWUSR, show_temp_max,
1263 store_temp_max, 7),
1264 SENSOR_ATTR(temp9_max, S_IRUGO | S_IWUSR, show_temp_max,
1265 store_temp_max, 8),
Gong Juna157d062009-03-30 21:46:43 +02001266};
1267
1268static struct sensor_device_attribute sda_temp_max_hyst[] = {
Guenter Roeckbce26c52011-02-04 12:54:14 -08001269 SENSOR_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
Yuan Mu412fec82006-02-05 23:24:16 +01001270 store_temp_max_hyst, 0),
Guenter Roeckbce26c52011-02-04 12:54:14 -08001271 SENSOR_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
Yuan Mu412fec82006-02-05 23:24:16 +01001272 store_temp_max_hyst, 1),
Guenter Roeckbce26c52011-02-04 12:54:14 -08001273 SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1274 store_temp_max_hyst, 2),
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001275 SENSOR_ATTR(temp4_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1276 store_temp_max_hyst, 3),
1277 SENSOR_ATTR(temp5_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1278 store_temp_max_hyst, 4),
1279 SENSOR_ATTR(temp6_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1280 store_temp_max_hyst, 5),
1281 SENSOR_ATTR(temp7_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1282 store_temp_max_hyst, 6),
1283 SENSOR_ATTR(temp8_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1284 store_temp_max_hyst, 7),
1285 SENSOR_ATTR(temp9_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
1286 store_temp_max_hyst, 8),
Gong Juna157d062009-03-30 21:46:43 +02001287};
1288
1289static struct sensor_device_attribute sda_temp_alarm[] = {
Jean Delvarea4589db2006-03-23 16:30:29 +01001290 SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4),
1291 SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5),
1292 SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13),
Gong Juna157d062009-03-30 21:46:43 +02001293};
1294
1295static struct sensor_device_attribute sda_temp_type[] = {
Jean Delvareda667362007-06-24 11:21:02 +02001296 SENSOR_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0),
1297 SENSOR_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1),
1298 SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2),
Yuan Mu412fec82006-02-05 23:24:16 +01001299};
Jean Delvare08e7e272005-04-25 22:43:25 +02001300
Rudolf Marek08c79952006-07-05 18:14:31 +02001301#define show_pwm_reg(reg) \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001302static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
1303 char *buf) \
Rudolf Marek08c79952006-07-05 18:14:31 +02001304{ \
1305 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001306 struct sensor_device_attribute *sensor_attr = \
1307 to_sensor_dev_attr(attr); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001308 int nr = sensor_attr->index; \
1309 return sprintf(buf, "%d\n", data->reg[nr]); \
1310}
1311
1312show_pwm_reg(pwm_mode)
1313show_pwm_reg(pwm_enable)
1314show_pwm_reg(pwm)
1315
1316static ssize_t
1317store_pwm_mode(struct device *dev, struct device_attribute *attr,
1318 const char *buf, size_t count)
1319{
David Hubbard1ea6dd32007-06-24 11:16:15 +02001320 struct w83627ehf_data *data = dev_get_drvdata(dev);
Rudolf Marek08c79952006-07-05 18:14:31 +02001321 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
Guenter Roeckad77c3e2012-01-27 17:56:06 -08001322 struct w83627ehf_sio_data *sio_data = dev->platform_data;
Rudolf Marek08c79952006-07-05 18:14:31 +02001323 int nr = sensor_attr->index;
Guenter Roeckbce26c52011-02-04 12:54:14 -08001324 unsigned long val;
1325 int err;
Rudolf Marek08c79952006-07-05 18:14:31 +02001326 u16 reg;
1327
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001328 err = kstrtoul(buf, 10, &val);
Guenter Roeckbce26c52011-02-04 12:54:14 -08001329 if (err < 0)
1330 return err;
1331
Rudolf Marek08c79952006-07-05 18:14:31 +02001332 if (val > 1)
1333 return -EINVAL;
Guenter Roeckad77c3e2012-01-27 17:56:06 -08001334
1335 /* On NCT67766F, DC mode is only supported for pwm1 */
1336 if (sio_data->kind == nct6776 && nr && val != 1)
1337 return -EINVAL;
1338
Rudolf Marek08c79952006-07-05 18:14:31 +02001339 mutex_lock(&data->update_lock);
David Hubbard1ea6dd32007-06-24 11:16:15 +02001340 reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]);
Rudolf Marek08c79952006-07-05 18:14:31 +02001341 data->pwm_mode[nr] = val;
1342 reg &= ~(1 << W83627EHF_PWM_MODE_SHIFT[nr]);
1343 if (!val)
1344 reg |= 1 << W83627EHF_PWM_MODE_SHIFT[nr];
David Hubbard1ea6dd32007-06-24 11:16:15 +02001345 w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg);
Rudolf Marek08c79952006-07-05 18:14:31 +02001346 mutex_unlock(&data->update_lock);
1347 return count;
1348}
1349
1350static ssize_t
1351store_pwm(struct device *dev, struct device_attribute *attr,
1352 const char *buf, size_t count)
1353{
David Hubbard1ea6dd32007-06-24 11:16:15 +02001354 struct w83627ehf_data *data = dev_get_drvdata(dev);
Rudolf Marek08c79952006-07-05 18:14:31 +02001355 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1356 int nr = sensor_attr->index;
Guenter Roeckbce26c52011-02-04 12:54:14 -08001357 unsigned long val;
1358 int err;
1359
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001360 err = kstrtoul(buf, 10, &val);
Guenter Roeckbce26c52011-02-04 12:54:14 -08001361 if (err < 0)
1362 return err;
1363
1364 val = SENSORS_LIMIT(val, 0, 255);
Rudolf Marek08c79952006-07-05 18:14:31 +02001365
1366 mutex_lock(&data->update_lock);
1367 data->pwm[nr] = val;
Guenter Roeck279af1a2011-02-13 22:34:47 -08001368 w83627ehf_write_value(data, data->REG_PWM[nr], val);
Rudolf Marek08c79952006-07-05 18:14:31 +02001369 mutex_unlock(&data->update_lock);
1370 return count;
1371}
1372
1373static ssize_t
1374store_pwm_enable(struct device *dev, struct device_attribute *attr,
1375 const char *buf, size_t count)
1376{
David Hubbard1ea6dd32007-06-24 11:16:15 +02001377 struct w83627ehf_data *data = dev_get_drvdata(dev);
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001378 struct w83627ehf_sio_data *sio_data = dev->platform_data;
Rudolf Marek08c79952006-07-05 18:14:31 +02001379 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1380 int nr = sensor_attr->index;
Guenter Roeckbce26c52011-02-04 12:54:14 -08001381 unsigned long val;
1382 int err;
Rudolf Marek08c79952006-07-05 18:14:31 +02001383 u16 reg;
1384
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001385 err = kstrtoul(buf, 10, &val);
Guenter Roeckbce26c52011-02-04 12:54:14 -08001386 if (err < 0)
1387 return err;
1388
Guenter Roeckb84bb512011-02-13 23:01:25 -08001389 if (!val || (val > 4 && val != data->pwm_enable_orig[nr]))
Rudolf Marek08c79952006-07-05 18:14:31 +02001390 return -EINVAL;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001391 /* SmartFan III mode is not supported on NCT6776F */
1392 if (sio_data->kind == nct6776 && val == 4)
1393 return -EINVAL;
1394
Rudolf Marek08c79952006-07-05 18:14:31 +02001395 mutex_lock(&data->update_lock);
Rudolf Marek08c79952006-07-05 18:14:31 +02001396 data->pwm_enable[nr] = val;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001397 if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
1398 reg = w83627ehf_read_value(data,
1399 NCT6775_REG_FAN_MODE[nr]);
1400 reg &= 0x0f;
1401 reg |= (val - 1) << 4;
1402 w83627ehf_write_value(data,
1403 NCT6775_REG_FAN_MODE[nr], reg);
1404 } else {
1405 reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]);
1406 reg &= ~(0x03 << W83627EHF_PWM_ENABLE_SHIFT[nr]);
1407 reg |= (val - 1) << W83627EHF_PWM_ENABLE_SHIFT[nr];
1408 w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg);
1409 }
Rudolf Marek08c79952006-07-05 18:14:31 +02001410 mutex_unlock(&data->update_lock);
1411 return count;
1412}
1413
1414
1415#define show_tol_temp(reg) \
1416static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
1417 char *buf) \
1418{ \
1419 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001420 struct sensor_device_attribute *sensor_attr = \
1421 to_sensor_dev_attr(attr); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001422 int nr = sensor_attr->index; \
Guenter Roeckbce26c52011-02-04 12:54:14 -08001423 return sprintf(buf, "%d\n", data->reg[nr] * 1000); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001424}
1425
1426show_tol_temp(tolerance)
1427show_tol_temp(target_temp)
1428
1429static ssize_t
1430store_target_temp(struct device *dev, struct device_attribute *attr,
1431 const char *buf, size_t count)
1432{
David Hubbard1ea6dd32007-06-24 11:16:15 +02001433 struct w83627ehf_data *data = dev_get_drvdata(dev);
Rudolf Marek08c79952006-07-05 18:14:31 +02001434 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1435 int nr = sensor_attr->index;
Guenter Roeckbce26c52011-02-04 12:54:14 -08001436 long val;
1437 int err;
1438
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001439 err = kstrtol(buf, 10, &val);
Guenter Roeckbce26c52011-02-04 12:54:14 -08001440 if (err < 0)
1441 return err;
1442
1443 val = SENSORS_LIMIT(DIV_ROUND_CLOSEST(val, 1000), 0, 127);
Rudolf Marek08c79952006-07-05 18:14:31 +02001444
1445 mutex_lock(&data->update_lock);
1446 data->target_temp[nr] = val;
Guenter Roeck279af1a2011-02-13 22:34:47 -08001447 w83627ehf_write_value(data, data->REG_TARGET[nr], val);
Rudolf Marek08c79952006-07-05 18:14:31 +02001448 mutex_unlock(&data->update_lock);
1449 return count;
1450}
1451
1452static ssize_t
1453store_tolerance(struct device *dev, struct device_attribute *attr,
1454 const char *buf, size_t count)
1455{
David Hubbard1ea6dd32007-06-24 11:16:15 +02001456 struct w83627ehf_data *data = dev_get_drvdata(dev);
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001457 struct w83627ehf_sio_data *sio_data = dev->platform_data;
Rudolf Marek08c79952006-07-05 18:14:31 +02001458 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1459 int nr = sensor_attr->index;
1460 u16 reg;
Guenter Roeckbce26c52011-02-04 12:54:14 -08001461 long val;
1462 int err;
1463
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001464 err = kstrtol(buf, 10, &val);
Guenter Roeckbce26c52011-02-04 12:54:14 -08001465 if (err < 0)
1466 return err;
1467
Rudolf Marek08c79952006-07-05 18:14:31 +02001468 /* Limit the temp to 0C - 15C */
Guenter Roeckbce26c52011-02-04 12:54:14 -08001469 val = SENSORS_LIMIT(DIV_ROUND_CLOSEST(val, 1000), 0, 15);
Rudolf Marek08c79952006-07-05 18:14:31 +02001470
1471 mutex_lock(&data->update_lock);
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001472 if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
1473 /* Limit tolerance further for NCT6776F */
1474 if (sio_data->kind == nct6776 && val > 7)
1475 val = 7;
1476 reg = w83627ehf_read_value(data, NCT6775_REG_FAN_MODE[nr]);
Rudolf Marek08c79952006-07-05 18:14:31 +02001477 reg = (reg & 0xf0) | val;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001478 w83627ehf_write_value(data, NCT6775_REG_FAN_MODE[nr], reg);
1479 } else {
1480 reg = w83627ehf_read_value(data, W83627EHF_REG_TOLERANCE[nr]);
1481 if (nr == 1)
1482 reg = (reg & 0x0f) | (val << 4);
1483 else
1484 reg = (reg & 0xf0) | val;
1485 w83627ehf_write_value(data, W83627EHF_REG_TOLERANCE[nr], reg);
1486 }
1487 data->tolerance[nr] = val;
Rudolf Marek08c79952006-07-05 18:14:31 +02001488 mutex_unlock(&data->update_lock);
1489 return count;
1490}
1491
1492static struct sensor_device_attribute sda_pwm[] = {
1493 SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0),
1494 SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1),
1495 SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2),
1496 SENSOR_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3),
1497};
1498
1499static struct sensor_device_attribute sda_pwm_mode[] = {
1500 SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
1501 store_pwm_mode, 0),
1502 SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
1503 store_pwm_mode, 1),
1504 SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
1505 store_pwm_mode, 2),
1506 SENSOR_ATTR(pwm4_mode, S_IWUSR | S_IRUGO, show_pwm_mode,
1507 store_pwm_mode, 3),
1508};
1509
1510static struct sensor_device_attribute sda_pwm_enable[] = {
1511 SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
1512 store_pwm_enable, 0),
1513 SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
1514 store_pwm_enable, 1),
1515 SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
1516 store_pwm_enable, 2),
1517 SENSOR_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
1518 store_pwm_enable, 3),
1519};
1520
1521static struct sensor_device_attribute sda_target_temp[] = {
1522 SENSOR_ATTR(pwm1_target, S_IWUSR | S_IRUGO, show_target_temp,
1523 store_target_temp, 0),
1524 SENSOR_ATTR(pwm2_target, S_IWUSR | S_IRUGO, show_target_temp,
1525 store_target_temp, 1),
1526 SENSOR_ATTR(pwm3_target, S_IWUSR | S_IRUGO, show_target_temp,
1527 store_target_temp, 2),
1528 SENSOR_ATTR(pwm4_target, S_IWUSR | S_IRUGO, show_target_temp,
1529 store_target_temp, 3),
1530};
1531
1532static struct sensor_device_attribute sda_tolerance[] = {
1533 SENSOR_ATTR(pwm1_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
1534 store_tolerance, 0),
1535 SENSOR_ATTR(pwm2_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
1536 store_tolerance, 1),
1537 SENSOR_ATTR(pwm3_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
1538 store_tolerance, 2),
1539 SENSOR_ATTR(pwm4_tolerance, S_IWUSR | S_IRUGO, show_tolerance,
1540 store_tolerance, 3),
1541};
1542
Rudolf Marek08c79952006-07-05 18:14:31 +02001543/* Smart Fan registers */
1544
1545#define fan_functions(reg, REG) \
1546static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
1547 char *buf) \
1548{ \
1549 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001550 struct sensor_device_attribute *sensor_attr = \
1551 to_sensor_dev_attr(attr); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001552 int nr = sensor_attr->index; \
1553 return sprintf(buf, "%d\n", data->reg[nr]); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001554} \
Rudolf Marek08c79952006-07-05 18:14:31 +02001555static ssize_t \
1556store_##reg(struct device *dev, struct device_attribute *attr, \
1557 const char *buf, size_t count) \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001558{ \
David Hubbard1ea6dd32007-06-24 11:16:15 +02001559 struct w83627ehf_data *data = dev_get_drvdata(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001560 struct sensor_device_attribute *sensor_attr = \
1561 to_sensor_dev_attr(attr); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001562 int nr = sensor_attr->index; \
Guenter Roeckbce26c52011-02-04 12:54:14 -08001563 unsigned long val; \
1564 int err; \
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001565 err = kstrtoul(buf, 10, &val); \
Guenter Roeckbce26c52011-02-04 12:54:14 -08001566 if (err < 0) \
1567 return err; \
1568 val = SENSORS_LIMIT(val, 1, 255); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001569 mutex_lock(&data->update_lock); \
1570 data->reg[nr] = val; \
Guenter Roeckda2e0252010-08-14 21:08:55 +02001571 w83627ehf_write_value(data, data->REG_##REG[nr], val); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001572 mutex_unlock(&data->update_lock); \
1573 return count; \
1574}
1575
Daniel J Blueman41e9a062009-12-14 18:01:37 -08001576fan_functions(fan_start_output, FAN_START_OUTPUT)
1577fan_functions(fan_stop_output, FAN_STOP_OUTPUT)
1578fan_functions(fan_max_output, FAN_MAX_OUTPUT)
1579fan_functions(fan_step_output, FAN_STEP_OUTPUT)
Rudolf Marek08c79952006-07-05 18:14:31 +02001580
1581#define fan_time_functions(reg, REG) \
1582static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
1583 char *buf) \
1584{ \
1585 struct w83627ehf_data *data = w83627ehf_update_device(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001586 struct sensor_device_attribute *sensor_attr = \
1587 to_sensor_dev_attr(attr); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001588 int nr = sensor_attr->index; \
1589 return sprintf(buf, "%d\n", \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001590 step_time_from_reg(data->reg[nr], \
1591 data->pwm_mode[nr])); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001592} \
1593\
1594static ssize_t \
1595store_##reg(struct device *dev, struct device_attribute *attr, \
1596 const char *buf, size_t count) \
1597{ \
David Hubbard1ea6dd32007-06-24 11:16:15 +02001598 struct w83627ehf_data *data = dev_get_drvdata(dev); \
Guenter Roecke7e1ca62011-02-04 13:24:30 -08001599 struct sensor_device_attribute *sensor_attr = \
1600 to_sensor_dev_attr(attr); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001601 int nr = sensor_attr->index; \
Guenter Roeckbce26c52011-02-04 12:54:14 -08001602 unsigned long val; \
1603 int err; \
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001604 err = kstrtoul(buf, 10, &val); \
Guenter Roeckbce26c52011-02-04 12:54:14 -08001605 if (err < 0) \
1606 return err; \
1607 val = step_time_to_reg(val, data->pwm_mode[nr]); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001608 mutex_lock(&data->update_lock); \
1609 data->reg[nr] = val; \
Guenter Roeck33fa9b62012-03-12 08:21:16 -07001610 w83627ehf_write_value(data, data->REG_##REG[nr], val); \
Rudolf Marek08c79952006-07-05 18:14:31 +02001611 mutex_unlock(&data->update_lock); \
1612 return count; \
1613} \
1614
1615fan_time_functions(fan_stop_time, FAN_STOP_TIME)
1616
David Hubbard1ea6dd32007-06-24 11:16:15 +02001617static ssize_t show_name(struct device *dev, struct device_attribute *attr,
1618 char *buf)
1619{
1620 struct w83627ehf_data *data = dev_get_drvdata(dev);
1621
1622 return sprintf(buf, "%s\n", data->name);
1623}
1624static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
Rudolf Marek08c79952006-07-05 18:14:31 +02001625
1626static struct sensor_device_attribute sda_sf3_arrays_fan4[] = {
1627 SENSOR_ATTR(pwm4_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
1628 store_fan_stop_time, 3),
Daniel J Blueman41e9a062009-12-14 18:01:37 -08001629 SENSOR_ATTR(pwm4_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
1630 store_fan_start_output, 3),
1631 SENSOR_ATTR(pwm4_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
1632 store_fan_stop_output, 3),
1633 SENSOR_ATTR(pwm4_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
1634 store_fan_max_output, 3),
1635 SENSOR_ATTR(pwm4_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
1636 store_fan_step_output, 3),
Rudolf Marek08c79952006-07-05 18:14:31 +02001637};
1638
Jean Delvareeff76872011-11-04 12:00:48 +01001639static struct sensor_device_attribute sda_sf3_arrays_fan3[] = {
1640 SENSOR_ATTR(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
1641 store_fan_stop_time, 2),
1642 SENSOR_ATTR(pwm3_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
1643 store_fan_start_output, 2),
1644 SENSOR_ATTR(pwm3_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
1645 store_fan_stop_output, 2),
1646};
1647
Rudolf Marek08c79952006-07-05 18:14:31 +02001648static struct sensor_device_attribute sda_sf3_arrays[] = {
1649 SENSOR_ATTR(pwm1_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
1650 store_fan_stop_time, 0),
1651 SENSOR_ATTR(pwm2_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
1652 store_fan_stop_time, 1),
Daniel J Blueman41e9a062009-12-14 18:01:37 -08001653 SENSOR_ATTR(pwm1_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
1654 store_fan_start_output, 0),
1655 SENSOR_ATTR(pwm2_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
1656 store_fan_start_output, 1),
Daniel J Blueman41e9a062009-12-14 18:01:37 -08001657 SENSOR_ATTR(pwm1_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
1658 store_fan_stop_output, 0),
1659 SENSOR_ATTR(pwm2_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
1660 store_fan_stop_output, 1),
Guenter Roeckda2e0252010-08-14 21:08:55 +02001661};
Daniel J Blueman41e9a062009-12-14 18:01:37 -08001662
Guenter Roeckda2e0252010-08-14 21:08:55 +02001663
1664/*
1665 * pwm1 and pwm3 don't support max and step settings on all chips.
1666 * Need to check support while generating/removing attribute files.
1667 */
1668static struct sensor_device_attribute sda_sf3_max_step_arrays[] = {
1669 SENSOR_ATTR(pwm1_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
1670 store_fan_max_output, 0),
1671 SENSOR_ATTR(pwm1_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
1672 store_fan_step_output, 0),
Daniel J Blueman41e9a062009-12-14 18:01:37 -08001673 SENSOR_ATTR(pwm2_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
1674 store_fan_max_output, 1),
1675 SENSOR_ATTR(pwm2_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
1676 store_fan_step_output, 1),
Guenter Roeckda2e0252010-08-14 21:08:55 +02001677 SENSOR_ATTR(pwm3_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
1678 store_fan_max_output, 2),
1679 SENSOR_ATTR(pwm3_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
1680 store_fan_step_output, 2),
Rudolf Marek08c79952006-07-05 18:14:31 +02001681};
1682
Jean Delvarefc18d6c2007-06-24 11:19:42 +02001683static ssize_t
1684show_vid(struct device *dev, struct device_attribute *attr, char *buf)
1685{
1686 struct w83627ehf_data *data = dev_get_drvdata(dev);
1687 return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
1688}
1689static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
1690
Dmitry Artamonow363a12a2011-08-12 16:41:11 -04001691
1692/* Case open detection */
1693
1694static ssize_t
1695show_caseopen(struct device *dev, struct device_attribute *attr, char *buf)
1696{
1697 struct w83627ehf_data *data = w83627ehf_update_device(dev);
1698
1699 return sprintf(buf, "%d\n",
1700 !!(data->caseopen & to_sensor_dev_attr_2(attr)->index));
1701}
1702
1703static ssize_t
1704clear_caseopen(struct device *dev, struct device_attribute *attr,
1705 const char *buf, size_t count)
1706{
1707 struct w83627ehf_data *data = dev_get_drvdata(dev);
1708 unsigned long val;
1709 u16 reg, mask;
1710
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001711 if (kstrtoul(buf, 10, &val) || val != 0)
Dmitry Artamonow363a12a2011-08-12 16:41:11 -04001712 return -EINVAL;
1713
1714 mask = to_sensor_dev_attr_2(attr)->nr;
1715
1716 mutex_lock(&data->update_lock);
1717 reg = w83627ehf_read_value(data, W83627EHF_REG_CASEOPEN_CLR);
1718 w83627ehf_write_value(data, W83627EHF_REG_CASEOPEN_CLR, reg | mask);
1719 w83627ehf_write_value(data, W83627EHF_REG_CASEOPEN_CLR, reg & ~mask);
1720 data->valid = 0; /* Force cache refresh */
1721 mutex_unlock(&data->update_lock);
1722
1723 return count;
1724}
1725
1726static struct sensor_device_attribute_2 sda_caseopen[] = {
1727 SENSOR_ATTR_2(intrusion0_alarm, S_IWUSR | S_IRUGO, show_caseopen,
1728 clear_caseopen, 0x80, 0x10),
1729 SENSOR_ATTR_2(intrusion1_alarm, S_IWUSR | S_IRUGO, show_caseopen,
1730 clear_caseopen, 0x40, 0x40),
1731};
1732
Jean Delvare08e7e272005-04-25 22:43:25 +02001733/*
David Hubbard1ea6dd32007-06-24 11:16:15 +02001734 * Driver and device management
Jean Delvare08e7e272005-04-25 22:43:25 +02001735 */
1736
David Hubbardc18beb52006-09-24 21:04:38 +02001737static void w83627ehf_device_remove_files(struct device *dev)
1738{
1739 /* some entries in the following arrays may not have been used in
1740 * device_create_file(), but device_remove_file() will ignore them */
1741 int i;
David Hubbard1ea6dd32007-06-24 11:16:15 +02001742 struct w83627ehf_data *data = dev_get_drvdata(dev);
David Hubbardc18beb52006-09-24 21:04:38 +02001743
1744 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++)
1745 device_remove_file(dev, &sda_sf3_arrays[i].dev_attr);
Guenter Roeckda2e0252010-08-14 21:08:55 +02001746 for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) {
1747 struct sensor_device_attribute *attr =
1748 &sda_sf3_max_step_arrays[i];
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001749 if (data->REG_FAN_STEP_OUTPUT &&
1750 data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff)
Guenter Roeckda2e0252010-08-14 21:08:55 +02001751 device_remove_file(dev, &attr->dev_attr);
1752 }
Jean Delvareeff76872011-11-04 12:00:48 +01001753 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan3); i++)
1754 device_remove_file(dev, &sda_sf3_arrays_fan3[i].dev_attr);
David Hubbardc18beb52006-09-24 21:04:38 +02001755 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++)
1756 device_remove_file(dev, &sda_sf3_arrays_fan4[i].dev_attr);
David Hubbard1ea6dd32007-06-24 11:16:15 +02001757 for (i = 0; i < data->in_num; i++) {
Gong Juna157d062009-03-30 21:46:43 +02001758 if ((i == 6) && data->in6_skip)
1759 continue;
David Hubbardc18beb52006-09-24 21:04:38 +02001760 device_remove_file(dev, &sda_in_input[i].dev_attr);
1761 device_remove_file(dev, &sda_in_alarm[i].dev_attr);
1762 device_remove_file(dev, &sda_in_min[i].dev_attr);
1763 device_remove_file(dev, &sda_in_max[i].dev_attr);
1764 }
1765 for (i = 0; i < 5; i++) {
1766 device_remove_file(dev, &sda_fan_input[i].dev_attr);
1767 device_remove_file(dev, &sda_fan_alarm[i].dev_attr);
1768 device_remove_file(dev, &sda_fan_div[i].dev_attr);
1769 device_remove_file(dev, &sda_fan_min[i].dev_attr);
1770 }
Gong Jun237c8d22009-03-30 21:46:42 +02001771 for (i = 0; i < data->pwm_num; i++) {
David Hubbardc18beb52006-09-24 21:04:38 +02001772 device_remove_file(dev, &sda_pwm[i].dev_attr);
1773 device_remove_file(dev, &sda_pwm_mode[i].dev_attr);
1774 device_remove_file(dev, &sda_pwm_enable[i].dev_attr);
1775 device_remove_file(dev, &sda_target_temp[i].dev_attr);
1776 device_remove_file(dev, &sda_tolerance[i].dev_attr);
1777 }
Guenter Roeckd36cf322011-02-07 15:08:54 -08001778 for (i = 0; i < NUM_REG_TEMP; i++) {
1779 if (!(data->have_temp & (1 << i)))
Gong Juna157d062009-03-30 21:46:43 +02001780 continue;
1781 device_remove_file(dev, &sda_temp_input[i].dev_attr);
Guenter Roeckd36cf322011-02-07 15:08:54 -08001782 device_remove_file(dev, &sda_temp_label[i].dev_attr);
Jean Delvareeff76872011-11-04 12:00:48 +01001783 if (i == 2 && data->temp3_val_only)
1784 continue;
Gong Juna157d062009-03-30 21:46:43 +02001785 device_remove_file(dev, &sda_temp_max[i].dev_attr);
1786 device_remove_file(dev, &sda_temp_max_hyst[i].dev_attr);
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001787 if (i > 2)
1788 continue;
Gong Juna157d062009-03-30 21:46:43 +02001789 device_remove_file(dev, &sda_temp_alarm[i].dev_attr);
1790 device_remove_file(dev, &sda_temp_type[i].dev_attr);
1791 }
David Hubbard1ea6dd32007-06-24 11:16:15 +02001792
Dmitry Artamonow363a12a2011-08-12 16:41:11 -04001793 device_remove_file(dev, &sda_caseopen[0].dev_attr);
1794 device_remove_file(dev, &sda_caseopen[1].dev_attr);
1795
David Hubbard1ea6dd32007-06-24 11:16:15 +02001796 device_remove_file(dev, &dev_attr_name);
Jean Delvarecbe311f2008-01-03 21:22:44 +01001797 device_remove_file(dev, &dev_attr_cpu0_vid);
David Hubbardc18beb52006-09-24 21:04:38 +02001798}
1799
David Hubbard1ea6dd32007-06-24 11:16:15 +02001800/* Get the monitoring functions started */
Jean Delvarebf164c52011-10-13 15:49:08 -04001801static inline void __devinit w83627ehf_init_device(struct w83627ehf_data *data,
1802 enum kinds kind)
Jean Delvare08e7e272005-04-25 22:43:25 +02001803{
1804 int i;
Jean Delvareda667362007-06-24 11:21:02 +02001805 u8 tmp, diode;
Jean Delvare08e7e272005-04-25 22:43:25 +02001806
1807 /* Start monitoring is needed */
David Hubbard1ea6dd32007-06-24 11:16:15 +02001808 tmp = w83627ehf_read_value(data, W83627EHF_REG_CONFIG);
Jean Delvare08e7e272005-04-25 22:43:25 +02001809 if (!(tmp & 0x01))
David Hubbard1ea6dd32007-06-24 11:16:15 +02001810 w83627ehf_write_value(data, W83627EHF_REG_CONFIG,
Jean Delvare08e7e272005-04-25 22:43:25 +02001811 tmp | 0x01);
1812
Guenter Roeckd36cf322011-02-07 15:08:54 -08001813 /* Enable temperature sensors if needed */
1814 for (i = 0; i < NUM_REG_TEMP; i++) {
1815 if (!(data->have_temp & (1 << i)))
1816 continue;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001817 if (!data->reg_temp_config[i])
Guenter Roeckd36cf322011-02-07 15:08:54 -08001818 continue;
David Hubbard1ea6dd32007-06-24 11:16:15 +02001819 tmp = w83627ehf_read_value(data,
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001820 data->reg_temp_config[i]);
Jean Delvare08e7e272005-04-25 22:43:25 +02001821 if (tmp & 0x01)
David Hubbard1ea6dd32007-06-24 11:16:15 +02001822 w83627ehf_write_value(data,
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001823 data->reg_temp_config[i],
Jean Delvare08e7e272005-04-25 22:43:25 +02001824 tmp & 0xfe);
1825 }
Jean Delvared3130f02007-06-24 11:20:13 +02001826
1827 /* Enable VBAT monitoring if needed */
1828 tmp = w83627ehf_read_value(data, W83627EHF_REG_VBAT);
1829 if (!(tmp & 0x01))
1830 w83627ehf_write_value(data, W83627EHF_REG_VBAT, tmp | 0x01);
Jean Delvareda667362007-06-24 11:21:02 +02001831
1832 /* Get thermal sensor types */
Jean Delvarebf164c52011-10-13 15:49:08 -04001833 switch (kind) {
1834 case w83627ehf:
1835 diode = w83627ehf_read_value(data, W83627EHF_REG_DIODE);
1836 break;
Jean Delvareeff76872011-11-04 12:00:48 +01001837 case w83627uhg:
1838 diode = 0x00;
1839 break;
Jean Delvarebf164c52011-10-13 15:49:08 -04001840 default:
1841 diode = 0x70;
1842 }
Jean Delvareda667362007-06-24 11:21:02 +02001843 for (i = 0; i < 3; i++) {
Guenter Roeckbfa02b02011-11-06 20:25:18 +01001844 const char *label = NULL;
1845
1846 if (data->temp_label)
1847 label = data->temp_label[data->temp_src[i]];
Jean Delvare2265cef2011-11-04 12:00:47 +01001848
1849 /* Digital source overrides analog type */
Guenter Roeckbfa02b02011-11-06 20:25:18 +01001850 if (label && strncmp(label, "PECI", 4) == 0)
Jean Delvare2265cef2011-11-04 12:00:47 +01001851 data->temp_type[i] = 6;
Guenter Roeckbfa02b02011-11-06 20:25:18 +01001852 else if (label && strncmp(label, "AMD", 3) == 0)
Jean Delvare2265cef2011-11-04 12:00:47 +01001853 data->temp_type[i] = 5;
1854 else if ((tmp & (0x02 << i)))
Jean Delvarebf164c52011-10-13 15:49:08 -04001855 data->temp_type[i] = (diode & (0x10 << i)) ? 1 : 3;
Jean Delvareda667362007-06-24 11:21:02 +02001856 else
1857 data->temp_type[i] = 4; /* thermistor */
1858 }
Jean Delvare08e7e272005-04-25 22:43:25 +02001859}
1860
Guenter Roeckec3e5a12011-02-02 08:46:49 -08001861static void w82627ehf_swap_tempreg(struct w83627ehf_data *data,
1862 int r1, int r2)
1863{
1864 u16 tmp;
1865
1866 tmp = data->temp_src[r1];
1867 data->temp_src[r1] = data->temp_src[r2];
1868 data->temp_src[r2] = tmp;
1869
1870 tmp = data->reg_temp[r1];
1871 data->reg_temp[r1] = data->reg_temp[r2];
1872 data->reg_temp[r2] = tmp;
1873
1874 tmp = data->reg_temp_over[r1];
1875 data->reg_temp_over[r1] = data->reg_temp_over[r2];
1876 data->reg_temp_over[r2] = tmp;
1877
1878 tmp = data->reg_temp_hyst[r1];
1879 data->reg_temp_hyst[r1] = data->reg_temp_hyst[r2];
1880 data->reg_temp_hyst[r2] = tmp;
1881
1882 tmp = data->reg_temp_config[r1];
1883 data->reg_temp_config[r1] = data->reg_temp_config[r2];
1884 data->reg_temp_config[r2] = tmp;
1885}
1886
Jean Delvare03f5de22011-10-13 10:43:14 -04001887static void __devinit
Jean Delvare6ba71de2011-11-04 12:00:47 +01001888w83627ehf_set_temp_reg_ehf(struct w83627ehf_data *data, int n_temp)
1889{
1890 int i;
1891
1892 for (i = 0; i < n_temp; i++) {
1893 data->reg_temp[i] = W83627EHF_REG_TEMP[i];
1894 data->reg_temp_over[i] = W83627EHF_REG_TEMP_OVER[i];
1895 data->reg_temp_hyst[i] = W83627EHF_REG_TEMP_HYST[i];
1896 data->reg_temp_config[i] = W83627EHF_REG_TEMP_CONFIG[i];
1897 }
1898}
1899
1900static void __devinit
Jean Delvare03f5de22011-10-13 10:43:14 -04001901w83627ehf_check_fan_inputs(const struct w83627ehf_sio_data *sio_data,
1902 struct w83627ehf_data *data)
1903{
1904 int fan3pin, fan4pin, fan4min, fan5pin, regval;
1905
Jean Delvareeff76872011-11-04 12:00:48 +01001906 /* The W83627UHG is simple, only two fan inputs, no config */
1907 if (sio_data->kind == w83627uhg) {
1908 data->has_fan = 0x03; /* fan1 and fan2 */
1909 data->has_fan_min = 0x03;
1910 return;
1911 }
1912
Jean Delvare03f5de22011-10-13 10:43:14 -04001913 superio_enter(sio_data->sioreg);
1914
1915 /* fan4 and fan5 share some pins with the GPIO and serial flash */
1916 if (sio_data->kind == nct6775) {
1917 /* On NCT6775, fan4 shares pins with the fdc interface */
1918 fan3pin = 1;
1919 fan4pin = !(superio_inb(sio_data->sioreg, 0x2A) & 0x80);
1920 fan4min = 0;
1921 fan5pin = 0;
1922 } else if (sio_data->kind == nct6776) {
Guenter Roeck585c0fd2012-01-27 05:43:59 -08001923 bool gpok = superio_inb(sio_data->sioreg, 0x27) & 0x80;
1924
1925 superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
1926 regval = superio_inb(sio_data->sioreg, SIO_REG_ENABLE);
1927
1928 if (regval & 0x80)
1929 fan3pin = gpok;
1930 else
1931 fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
1932
1933 if (regval & 0x40)
1934 fan4pin = gpok;
1935 else
1936 fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01);
1937
1938 if (regval & 0x20)
1939 fan5pin = gpok;
1940 else
1941 fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02);
1942
Jean Delvare03f5de22011-10-13 10:43:14 -04001943 fan4min = fan4pin;
1944 } else if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
1945 fan3pin = 1;
1946 fan4pin = superio_inb(sio_data->sioreg, 0x27) & 0x40;
1947 fan5pin = superio_inb(sio_data->sioreg, 0x27) & 0x20;
1948 fan4min = fan4pin;
1949 } else {
1950 fan3pin = 1;
1951 fan4pin = !(superio_inb(sio_data->sioreg, 0x29) & 0x06);
1952 fan5pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x02);
1953 fan4min = fan4pin;
1954 }
1955
1956 superio_exit(sio_data->sioreg);
1957
1958 data->has_fan = data->has_fan_min = 0x03; /* fan1 and fan2 */
1959 data->has_fan |= (fan3pin << 2);
1960 data->has_fan_min |= (fan3pin << 2);
1961
1962 if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
1963 /*
1964 * NCT6775F and NCT6776F don't have the W83627EHF_REG_FANDIV1
1965 * register
1966 */
1967 data->has_fan |= (fan4pin << 3) | (fan5pin << 4);
1968 data->has_fan_min |= (fan4min << 3) | (fan5pin << 4);
1969 } else {
1970 /*
1971 * It looks like fan4 and fan5 pins can be alternatively used
1972 * as fan on/off switches, but fan5 control is write only :/
1973 * We assume that if the serial interface is disabled, designers
1974 * connected fan5 as input unless they are emitting log 1, which
1975 * is not the default.
1976 */
1977 regval = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1);
1978 if ((regval & (1 << 2)) && fan4pin) {
1979 data->has_fan |= (1 << 3);
1980 data->has_fan_min |= (1 << 3);
1981 }
1982 if (!(regval & (1 << 1)) && fan5pin) {
1983 data->has_fan |= (1 << 4);
1984 data->has_fan_min |= (1 << 4);
1985 }
1986 }
1987}
1988
David Hubbard1ea6dd32007-06-24 11:16:15 +02001989static int __devinit w83627ehf_probe(struct platform_device *pdev)
Jean Delvare08e7e272005-04-25 22:43:25 +02001990{
David Hubbard1ea6dd32007-06-24 11:16:15 +02001991 struct device *dev = &pdev->dev;
1992 struct w83627ehf_sio_data *sio_data = dev->platform_data;
Jean Delvare08e7e272005-04-25 22:43:25 +02001993 struct w83627ehf_data *data;
David Hubbard1ea6dd32007-06-24 11:16:15 +02001994 struct resource *res;
Jean Delvare03f5de22011-10-13 10:43:14 -04001995 u8 en_vrm10;
Jean Delvare08e7e272005-04-25 22:43:25 +02001996 int i, err = 0;
1997
David Hubbard1ea6dd32007-06-24 11:16:15 +02001998 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1999 if (!request_region(res->start, IOREGION_LENGTH, DRVNAME)) {
Jean Delvare08e7e272005-04-25 22:43:25 +02002000 err = -EBUSY;
David Hubbard1ea6dd32007-06-24 11:16:15 +02002001 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
2002 (unsigned long)res->start,
2003 (unsigned long)res->start + IOREGION_LENGTH - 1);
Jean Delvare08e7e272005-04-25 22:43:25 +02002004 goto exit;
2005 }
2006
Guenter Roeck32260d92012-03-12 08:33:10 -07002007 data = devm_kzalloc(&pdev->dev, sizeof(struct w83627ehf_data),
2008 GFP_KERNEL);
Guenter Roecke7e1ca62011-02-04 13:24:30 -08002009 if (!data) {
Jean Delvare08e7e272005-04-25 22:43:25 +02002010 err = -ENOMEM;
2011 goto exit_release;
2012 }
Jean Delvare08e7e272005-04-25 22:43:25 +02002013
David Hubbard1ea6dd32007-06-24 11:16:15 +02002014 data->addr = res->start;
Ingo Molnar9a61bf62006-01-18 23:19:26 +01002015 mutex_init(&data->lock);
Ingo Molnar9a61bf62006-01-18 23:19:26 +01002016 mutex_init(&data->update_lock);
David Hubbard1ea6dd32007-06-24 11:16:15 +02002017 data->name = w83627ehf_device_names[sio_data->kind];
2018 platform_set_drvdata(pdev, data);
Jean Delvare08e7e272005-04-25 22:43:25 +02002019
Gong Jun237c8d22009-03-30 21:46:42 +02002020 /* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */
2021 data->in_num = (sio_data->kind == w83627ehf) ? 10 : 9;
Jean Delvareeff76872011-11-04 12:00:48 +01002022 /* 667HG, NCT6775F, and NCT6776F have 3 pwms, and 627UHG has only 2 */
2023 switch (sio_data->kind) {
2024 default:
2025 data->pwm_num = 4;
2026 break;
2027 case w83667hg:
2028 case w83667hg_b:
2029 case nct6775:
2030 case nct6776:
2031 data->pwm_num = 3;
2032 break;
2033 case w83627uhg:
2034 data->pwm_num = 2;
2035 break;
2036 }
Jean Delvare08e7e272005-04-25 22:43:25 +02002037
Jean Delvare6ba71de2011-11-04 12:00:47 +01002038 /* Default to 3 temperature inputs, code below will adjust as needed */
Guenter Roeckd36cf322011-02-07 15:08:54 -08002039 data->have_temp = 0x07;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002040
2041 /* Deal with temperature register setup first. */
2042 if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
2043 int mask = 0;
2044
2045 /*
2046 * Display temperature sensor output only if it monitors
2047 * a source other than one already reported. Always display
2048 * first three temperature registers, though.
2049 */
2050 for (i = 0; i < NUM_REG_TEMP; i++) {
2051 u8 src;
2052
2053 data->reg_temp[i] = NCT6775_REG_TEMP[i];
2054 data->reg_temp_over[i] = NCT6775_REG_TEMP_OVER[i];
2055 data->reg_temp_hyst[i] = NCT6775_REG_TEMP_HYST[i];
2056 data->reg_temp_config[i] = NCT6775_REG_TEMP_CONFIG[i];
2057
2058 src = w83627ehf_read_value(data,
2059 NCT6775_REG_TEMP_SOURCE[i]);
2060 src &= 0x1f;
2061 if (src && !(mask & (1 << src))) {
2062 data->have_temp |= 1 << i;
2063 mask |= 1 << src;
2064 }
2065
2066 data->temp_src[i] = src;
2067
2068 /*
2069 * Now do some register swapping if index 0..2 don't
2070 * point to SYSTIN(1), CPUIN(2), and AUXIN(3).
2071 * Idea is to have the first three attributes
2072 * report SYSTIN, CPUIN, and AUXIN if possible
2073 * without overriding the basic system configuration.
2074 */
2075 if (i > 0 && data->temp_src[0] != 1
2076 && data->temp_src[i] == 1)
2077 w82627ehf_swap_tempreg(data, 0, i);
2078 if (i > 1 && data->temp_src[1] != 2
2079 && data->temp_src[i] == 2)
2080 w82627ehf_swap_tempreg(data, 1, i);
2081 if (i > 2 && data->temp_src[2] != 3
2082 && data->temp_src[i] == 3)
2083 w82627ehf_swap_tempreg(data, 2, i);
2084 }
2085 if (sio_data->kind == nct6776) {
2086 /*
2087 * On NCT6776, AUXTIN and VIN3 pins are shared.
2088 * Only way to detect it is to check if AUXTIN is used
2089 * as a temperature source, and if that source is
2090 * enabled.
2091 *
2092 * If that is the case, disable in6, which reports VIN3.
2093 * Otherwise disable temp3.
2094 */
2095 if (data->temp_src[2] == 3) {
2096 u8 reg;
2097
2098 if (data->reg_temp_config[2])
2099 reg = w83627ehf_read_value(data,
2100 data->reg_temp_config[2]);
2101 else
2102 reg = 0; /* Assume AUXTIN is used */
2103
2104 if (reg & 0x01)
2105 data->have_temp &= ~(1 << 2);
2106 else
2107 data->in6_skip = 1;
2108 }
Guenter Roeck02309ad2011-03-10 15:47:14 -08002109 data->temp_label = nct6776_temp_label;
2110 } else {
2111 data->temp_label = nct6775_temp_label;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002112 }
Guenter Roeckd36cf322011-02-07 15:08:54 -08002113 } else if (sio_data->kind == w83667hg_b) {
2114 u8 reg;
2115
Jean Delvare6ba71de2011-11-04 12:00:47 +01002116 w83627ehf_set_temp_reg_ehf(data, 4);
2117
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002118 /*
2119 * Temperature sources are selected with bank 0, registers 0x49
2120 * and 0x4a.
2121 */
Guenter Roeckd36cf322011-02-07 15:08:54 -08002122 reg = w83627ehf_read_value(data, 0x4a);
2123 data->temp_src[0] = reg >> 5;
2124 reg = w83627ehf_read_value(data, 0x49);
2125 data->temp_src[1] = reg & 0x07;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002126 data->temp_src[2] = (reg >> 4) & 0x07;
Guenter Roeckd36cf322011-02-07 15:08:54 -08002127
2128 /*
2129 * W83667HG-B has another temperature register at 0x7e.
2130 * The temperature source is selected with register 0x7d.
2131 * Support it if the source differs from already reported
2132 * sources.
2133 */
2134 reg = w83627ehf_read_value(data, 0x7d);
2135 reg &= 0x07;
2136 if (reg != data->temp_src[0] && reg != data->temp_src[1]
2137 && reg != data->temp_src[2]) {
2138 data->temp_src[3] = reg;
2139 data->have_temp |= 1 << 3;
2140 }
2141
2142 /*
2143 * Chip supports either AUXTIN or VIN3. Try to find out which
2144 * one.
2145 */
2146 reg = w83627ehf_read_value(data, W83627EHF_REG_TEMP_CONFIG[2]);
2147 if (data->temp_src[2] == 2 && (reg & 0x01))
2148 data->have_temp &= ~(1 << 2);
2149
2150 if ((data->temp_src[2] == 2 && (data->have_temp & (1 << 2)))
2151 || (data->temp_src[3] == 2 && (data->have_temp & (1 << 3))))
2152 data->in6_skip = 1;
2153
2154 data->temp_label = w83667hg_b_temp_label;
Jean Delvareeff76872011-11-04 12:00:48 +01002155 } else if (sio_data->kind == w83627uhg) {
2156 u8 reg;
2157
2158 w83627ehf_set_temp_reg_ehf(data, 3);
2159
2160 /*
Jean Delvareaacb6b02012-03-13 04:03:27 -04002161 * Temperature sources for temp2 and temp3 are selected with
Jean Delvareeff76872011-11-04 12:00:48 +01002162 * bank 0, registers 0x49 and 0x4a.
2163 */
2164 data->temp_src[0] = 0; /* SYSTIN */
2165 reg = w83627ehf_read_value(data, 0x49) & 0x07;
2166 /* Adjust to have the same mapping as other source registers */
2167 if (reg == 0)
Jean Delvareaacb6b02012-03-13 04:03:27 -04002168 data->temp_src[1] = 1;
Jean Delvareeff76872011-11-04 12:00:48 +01002169 else if (reg >= 2 && reg <= 5)
Jean Delvareaacb6b02012-03-13 04:03:27 -04002170 data->temp_src[1] = reg + 2;
Jean Delvareeff76872011-11-04 12:00:48 +01002171 else /* should never happen */
2172 data->have_temp &= ~(1 << 1);
2173 reg = w83627ehf_read_value(data, 0x4a);
2174 data->temp_src[2] = reg >> 5;
2175
2176 /*
2177 * Skip temp3 if source is invalid or the same as temp1
2178 * or temp2.
2179 */
2180 if (data->temp_src[2] == 2 || data->temp_src[2] == 3 ||
2181 data->temp_src[2] == data->temp_src[0] ||
2182 ((data->have_temp & (1 << 1)) &&
2183 data->temp_src[2] == data->temp_src[1]))
2184 data->have_temp &= ~(1 << 2);
2185 else
2186 data->temp3_val_only = 1; /* No limit regs */
2187
2188 data->in6_skip = 1; /* No VIN3 */
2189
2190 data->temp_label = w83667hg_b_temp_label;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002191 } else {
Jean Delvare6ba71de2011-11-04 12:00:47 +01002192 w83627ehf_set_temp_reg_ehf(data, 3);
2193
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002194 /* Temperature sources are fixed */
Jean Delvare6ba71de2011-11-04 12:00:47 +01002195
2196 if (sio_data->kind == w83667hg) {
2197 u8 reg;
2198
2199 /*
2200 * Chip supports either AUXTIN or VIN3. Try to find
2201 * out which one.
2202 */
2203 reg = w83627ehf_read_value(data,
2204 W83627EHF_REG_TEMP_CONFIG[2]);
2205 if (reg & 0x01)
2206 data->have_temp &= ~(1 << 2);
2207 else
2208 data->in6_skip = 1;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002209 }
Gong Juna157d062009-03-30 21:46:43 +02002210 }
2211
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002212 if (sio_data->kind == nct6775) {
Guenter Roeck26bc4402011-02-11 08:00:58 -08002213 data->has_fan_div = true;
2214 data->fan_from_reg = fan_from_reg16;
2215 data->fan_from_reg_min = fan_from_reg8;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002216 data->REG_PWM = NCT6775_REG_PWM;
2217 data->REG_TARGET = NCT6775_REG_TARGET;
Guenter Roeck26bc4402011-02-11 08:00:58 -08002218 data->REG_FAN = NCT6775_REG_FAN;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002219 data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
2220 data->REG_FAN_START_OUTPUT = NCT6775_REG_FAN_START_OUTPUT;
2221 data->REG_FAN_STOP_OUTPUT = NCT6775_REG_FAN_STOP_OUTPUT;
2222 data->REG_FAN_STOP_TIME = NCT6775_REG_FAN_STOP_TIME;
2223 data->REG_FAN_MAX_OUTPUT = NCT6775_REG_FAN_MAX_OUTPUT;
2224 data->REG_FAN_STEP_OUTPUT = NCT6775_REG_FAN_STEP_OUTPUT;
2225 } else if (sio_data->kind == nct6776) {
Guenter Roeck26bc4402011-02-11 08:00:58 -08002226 data->has_fan_div = false;
2227 data->fan_from_reg = fan_from_reg13;
2228 data->fan_from_reg_min = fan_from_reg13;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002229 data->REG_PWM = NCT6775_REG_PWM;
2230 data->REG_TARGET = NCT6775_REG_TARGET;
Guenter Roeck26bc4402011-02-11 08:00:58 -08002231 data->REG_FAN = NCT6775_REG_FAN;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002232 data->REG_FAN_MIN = NCT6776_REG_FAN_MIN;
2233 data->REG_FAN_START_OUTPUT = NCT6775_REG_FAN_START_OUTPUT;
2234 data->REG_FAN_STOP_OUTPUT = NCT6775_REG_FAN_STOP_OUTPUT;
2235 data->REG_FAN_STOP_TIME = NCT6775_REG_FAN_STOP_TIME;
2236 } else if (sio_data->kind == w83667hg_b) {
Guenter Roeck26bc4402011-02-11 08:00:58 -08002237 data->has_fan_div = true;
2238 data->fan_from_reg = fan_from_reg8;
2239 data->fan_from_reg_min = fan_from_reg8;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002240 data->REG_PWM = W83627EHF_REG_PWM;
2241 data->REG_TARGET = W83627EHF_REG_TARGET;
2242 data->REG_FAN = W83627EHF_REG_FAN;
2243 data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
2244 data->REG_FAN_START_OUTPUT = W83627EHF_REG_FAN_START_OUTPUT;
2245 data->REG_FAN_STOP_OUTPUT = W83627EHF_REG_FAN_STOP_OUTPUT;
2246 data->REG_FAN_STOP_TIME = W83627EHF_REG_FAN_STOP_TIME;
Guenter Roeckc39aeda2010-08-14 21:08:55 +02002247 data->REG_FAN_MAX_OUTPUT =
2248 W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B;
2249 data->REG_FAN_STEP_OUTPUT =
2250 W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B;
2251 } else {
Guenter Roeck26bc4402011-02-11 08:00:58 -08002252 data->has_fan_div = true;
2253 data->fan_from_reg = fan_from_reg8;
2254 data->fan_from_reg_min = fan_from_reg8;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002255 data->REG_PWM = W83627EHF_REG_PWM;
2256 data->REG_TARGET = W83627EHF_REG_TARGET;
2257 data->REG_FAN = W83627EHF_REG_FAN;
2258 data->REG_FAN_MIN = W83627EHF_REG_FAN_MIN;
2259 data->REG_FAN_START_OUTPUT = W83627EHF_REG_FAN_START_OUTPUT;
2260 data->REG_FAN_STOP_OUTPUT = W83627EHF_REG_FAN_STOP_OUTPUT;
2261 data->REG_FAN_STOP_TIME = W83627EHF_REG_FAN_STOP_TIME;
Guenter Roeckc39aeda2010-08-14 21:08:55 +02002262 data->REG_FAN_MAX_OUTPUT =
2263 W83627EHF_REG_FAN_MAX_OUTPUT_COMMON;
2264 data->REG_FAN_STEP_OUTPUT =
2265 W83627EHF_REG_FAN_STEP_OUTPUT_COMMON;
2266 }
Guenter Roeckda2e0252010-08-14 21:08:55 +02002267
Jean Delvareeff76872011-11-04 12:00:48 +01002268 /* Setup input voltage scaling factors */
2269 if (sio_data->kind == w83627uhg)
2270 data->scale_in = scale_in_w83627uhg;
2271 else
2272 data->scale_in = scale_in_common;
2273
Jean Delvare08e7e272005-04-25 22:43:25 +02002274 /* Initialize the chip */
Jean Delvarebf164c52011-10-13 15:49:08 -04002275 w83627ehf_init_device(data, sio_data->kind);
Jean Delvare08e7e272005-04-25 22:43:25 +02002276
Jean Delvarefc18d6c2007-06-24 11:19:42 +02002277 data->vrm = vid_which_vrm();
2278 superio_enter(sio_data->sioreg);
Jean Delvarefc18d6c2007-06-24 11:19:42 +02002279 /* Read VID value */
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002280 if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b ||
2281 sio_data->kind == nct6775 || sio_data->kind == nct6776) {
Gong Jun237c8d22009-03-30 21:46:42 +02002282 /* W83667HG has different pins for VID input and output, so
2283 we can get the VID input values directly at logical device D
2284 0xe3. */
2285 superio_select(sio_data->sioreg, W83667HG_LD_VID);
2286 data->vid = superio_inb(sio_data->sioreg, 0xe3);
Jean Delvarecbe311f2008-01-03 21:22:44 +01002287 err = device_create_file(dev, &dev_attr_cpu0_vid);
2288 if (err)
2289 goto exit_release;
Jean Delvareeff76872011-11-04 12:00:48 +01002290 } else if (sio_data->kind != w83627uhg) {
Gong Jun237c8d22009-03-30 21:46:42 +02002291 superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
2292 if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) {
2293 /* Set VID input sensibility if needed. In theory the
2294 BIOS should have set it, but in practice it's not
2295 always the case. We only do it for the W83627EHF/EHG
2296 because the W83627DHG is more complex in this
2297 respect. */
2298 if (sio_data->kind == w83627ehf) {
2299 en_vrm10 = superio_inb(sio_data->sioreg,
2300 SIO_REG_EN_VRM10);
2301 if ((en_vrm10 & 0x08) && data->vrm == 90) {
2302 dev_warn(dev, "Setting VID input "
2303 "voltage to TTL\n");
2304 superio_outb(sio_data->sioreg,
2305 SIO_REG_EN_VRM10,
2306 en_vrm10 & ~0x08);
2307 } else if (!(en_vrm10 & 0x08)
2308 && data->vrm == 100) {
2309 dev_warn(dev, "Setting VID input "
2310 "voltage to VRM10\n");
2311 superio_outb(sio_data->sioreg,
2312 SIO_REG_EN_VRM10,
2313 en_vrm10 | 0x08);
2314 }
2315 }
2316
2317 data->vid = superio_inb(sio_data->sioreg,
2318 SIO_REG_VID_DATA);
2319 if (sio_data->kind == w83627ehf) /* 6 VID pins only */
2320 data->vid &= 0x3f;
2321
2322 err = device_create_file(dev, &dev_attr_cpu0_vid);
2323 if (err)
2324 goto exit_release;
2325 } else {
2326 dev_info(dev, "VID pins in output mode, CPU VID not "
2327 "available\n");
2328 }
Jean Delvarefc18d6c2007-06-24 11:19:42 +02002329 }
2330
Ian Dobsond42e8692011-03-07 14:21:12 -08002331 if (fan_debounce &&
2332 (sio_data->kind == nct6775 || sio_data->kind == nct6776)) {
2333 u8 tmp;
2334
2335 superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
2336 tmp = superio_inb(sio_data->sioreg, NCT6775_REG_FAN_DEBOUNCE);
2337 if (sio_data->kind == nct6776)
2338 superio_outb(sio_data->sioreg, NCT6775_REG_FAN_DEBOUNCE,
2339 0x3e | tmp);
2340 else
2341 superio_outb(sio_data->sioreg, NCT6775_REG_FAN_DEBOUNCE,
2342 0x1e | tmp);
2343 pr_info("Enabled fan debounce for chip %s\n", data->name);
2344 }
2345
David Hubbard1ea6dd32007-06-24 11:16:15 +02002346 superio_exit(sio_data->sioreg);
Rudolf Marek08c79952006-07-05 18:14:31 +02002347
Jean Delvare03f5de22011-10-13 10:43:14 -04002348 w83627ehf_check_fan_inputs(sio_data, data);
Jean Delvare08e7e272005-04-25 22:43:25 +02002349
Mark M. Hoffmanea7be662007-08-05 12:19:01 -04002350 /* Read fan clock dividers immediately */
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002351 w83627ehf_update_fan_div_common(dev, data);
2352
2353 /* Read pwm data to save original values */
2354 w83627ehf_update_pwm_common(dev, data);
2355 for (i = 0; i < data->pwm_num; i++)
2356 data->pwm_enable_orig[i] = data->pwm_enable[i];
Mark M. Hoffmanea7be662007-08-05 12:19:01 -04002357
Jean Delvare08e7e272005-04-25 22:43:25 +02002358 /* Register sysfs hooks */
Guenter Roecke7e1ca62011-02-04 13:24:30 -08002359 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) {
2360 err = device_create_file(dev, &sda_sf3_arrays[i].dev_attr);
2361 if (err)
David Hubbardc18beb52006-09-24 21:04:38 +02002362 goto exit_remove;
Guenter Roecke7e1ca62011-02-04 13:24:30 -08002363 }
Rudolf Marek08c79952006-07-05 18:14:31 +02002364
Guenter Roeckda2e0252010-08-14 21:08:55 +02002365 for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) {
2366 struct sensor_device_attribute *attr =
2367 &sda_sf3_max_step_arrays[i];
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002368 if (data->REG_FAN_STEP_OUTPUT &&
2369 data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff) {
Guenter Roeckda2e0252010-08-14 21:08:55 +02002370 err = device_create_file(dev, &attr->dev_attr);
2371 if (err)
2372 goto exit_remove;
2373 }
2374 }
Jean Delvareeff76872011-11-04 12:00:48 +01002375 /* if fan3 and fan4 are enabled create the sf3 files for them */
2376 if ((data->has_fan & (1 << 2)) && data->pwm_num >= 3)
2377 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan3); i++) {
2378 err = device_create_file(dev,
2379 &sda_sf3_arrays_fan3[i].dev_attr);
2380 if (err)
2381 goto exit_remove;
2382 }
Gong Jun237c8d22009-03-30 21:46:42 +02002383 if ((data->has_fan & (1 << 3)) && data->pwm_num >= 4)
David Hubbardc18beb52006-09-24 21:04:38 +02002384 for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) {
Guenter Roecke7e1ca62011-02-04 13:24:30 -08002385 err = device_create_file(dev,
2386 &sda_sf3_arrays_fan4[i].dev_attr);
2387 if (err)
David Hubbardc18beb52006-09-24 21:04:38 +02002388 goto exit_remove;
2389 }
Rudolf Marek08c79952006-07-05 18:14:31 +02002390
Gong Juna157d062009-03-30 21:46:43 +02002391 for (i = 0; i < data->in_num; i++) {
2392 if ((i == 6) && data->in6_skip)
2393 continue;
David Hubbardc18beb52006-09-24 21:04:38 +02002394 if ((err = device_create_file(dev, &sda_in_input[i].dev_attr))
2395 || (err = device_create_file(dev,
2396 &sda_in_alarm[i].dev_attr))
2397 || (err = device_create_file(dev,
2398 &sda_in_min[i].dev_attr))
2399 || (err = device_create_file(dev,
2400 &sda_in_max[i].dev_attr)))
2401 goto exit_remove;
Gong Juna157d062009-03-30 21:46:43 +02002402 }
Rudolf Marekcf0676f2006-03-23 16:25:22 +01002403
Yuan Mu412fec82006-02-05 23:24:16 +01002404 for (i = 0; i < 5; i++) {
Rudolf Marek08c79952006-07-05 18:14:31 +02002405 if (data->has_fan & (1 << i)) {
David Hubbardc18beb52006-09-24 21:04:38 +02002406 if ((err = device_create_file(dev,
2407 &sda_fan_input[i].dev_attr))
2408 || (err = device_create_file(dev,
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002409 &sda_fan_alarm[i].dev_attr)))
David Hubbardc18beb52006-09-24 21:04:38 +02002410 goto exit_remove;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002411 if (sio_data->kind != nct6776) {
2412 err = device_create_file(dev,
2413 &sda_fan_div[i].dev_attr);
2414 if (err)
2415 goto exit_remove;
2416 }
2417 if (data->has_fan_min & (1 << i)) {
2418 err = device_create_file(dev,
2419 &sda_fan_min[i].dev_attr);
2420 if (err)
2421 goto exit_remove;
2422 }
Gong Jun237c8d22009-03-30 21:46:42 +02002423 if (i < data->pwm_num &&
David Hubbardc18beb52006-09-24 21:04:38 +02002424 ((err = device_create_file(dev,
2425 &sda_pwm[i].dev_attr))
2426 || (err = device_create_file(dev,
2427 &sda_pwm_mode[i].dev_attr))
2428 || (err = device_create_file(dev,
2429 &sda_pwm_enable[i].dev_attr))
2430 || (err = device_create_file(dev,
2431 &sda_target_temp[i].dev_attr))
2432 || (err = device_create_file(dev,
2433 &sda_tolerance[i].dev_attr))))
2434 goto exit_remove;
Rudolf Marek08c79952006-07-05 18:14:31 +02002435 }
Jean Delvare08e7e272005-04-25 22:43:25 +02002436 }
Rudolf Marek08c79952006-07-05 18:14:31 +02002437
Guenter Roeckd36cf322011-02-07 15:08:54 -08002438 for (i = 0; i < NUM_REG_TEMP; i++) {
2439 if (!(data->have_temp & (1 << i)))
Gong Juna157d062009-03-30 21:46:43 +02002440 continue;
Guenter Roeckd36cf322011-02-07 15:08:54 -08002441 err = device_create_file(dev, &sda_temp_input[i].dev_attr);
2442 if (err)
2443 goto exit_remove;
2444 if (data->temp_label) {
2445 err = device_create_file(dev,
2446 &sda_temp_label[i].dev_attr);
2447 if (err)
2448 goto exit_remove;
2449 }
Jean Delvareeff76872011-11-04 12:00:48 +01002450 if (i == 2 && data->temp3_val_only)
2451 continue;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002452 if (data->reg_temp_over[i]) {
2453 err = device_create_file(dev,
2454 &sda_temp_max[i].dev_attr);
2455 if (err)
2456 goto exit_remove;
2457 }
2458 if (data->reg_temp_hyst[i]) {
2459 err = device_create_file(dev,
2460 &sda_temp_max_hyst[i].dev_attr);
2461 if (err)
2462 goto exit_remove;
2463 }
Guenter Roeckd36cf322011-02-07 15:08:54 -08002464 if (i > 2)
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002465 continue;
2466 if ((err = device_create_file(dev,
Gong Juna157d062009-03-30 21:46:43 +02002467 &sda_temp_alarm[i].dev_attr))
2468 || (err = device_create_file(dev,
2469 &sda_temp_type[i].dev_attr)))
David Hubbardc18beb52006-09-24 21:04:38 +02002470 goto exit_remove;
Gong Juna157d062009-03-30 21:46:43 +02002471 }
David Hubbardc18beb52006-09-24 21:04:38 +02002472
Dmitry Artamonow363a12a2011-08-12 16:41:11 -04002473 err = device_create_file(dev, &sda_caseopen[0].dev_attr);
2474 if (err)
2475 goto exit_remove;
2476
2477 if (sio_data->kind == nct6776) {
2478 err = device_create_file(dev, &sda_caseopen[1].dev_attr);
2479 if (err)
2480 goto exit_remove;
2481 }
2482
David Hubbard1ea6dd32007-06-24 11:16:15 +02002483 err = device_create_file(dev, &dev_attr_name);
2484 if (err)
2485 goto exit_remove;
2486
Tony Jones1beeffe2007-08-20 13:46:20 -07002487 data->hwmon_dev = hwmon_device_register(dev);
2488 if (IS_ERR(data->hwmon_dev)) {
2489 err = PTR_ERR(data->hwmon_dev);
David Hubbardc18beb52006-09-24 21:04:38 +02002490 goto exit_remove;
2491 }
Jean Delvare08e7e272005-04-25 22:43:25 +02002492
2493 return 0;
2494
David Hubbardc18beb52006-09-24 21:04:38 +02002495exit_remove:
2496 w83627ehf_device_remove_files(dev);
Jean Delvare08e7e272005-04-25 22:43:25 +02002497exit_release:
Guenter Roeck32260d92012-03-12 08:33:10 -07002498 platform_set_drvdata(pdev, NULL);
David Hubbard1ea6dd32007-06-24 11:16:15 +02002499 release_region(res->start, IOREGION_LENGTH);
Jean Delvare08e7e272005-04-25 22:43:25 +02002500exit:
2501 return err;
2502}
2503
David Hubbard1ea6dd32007-06-24 11:16:15 +02002504static int __devexit w83627ehf_remove(struct platform_device *pdev)
Jean Delvare08e7e272005-04-25 22:43:25 +02002505{
David Hubbard1ea6dd32007-06-24 11:16:15 +02002506 struct w83627ehf_data *data = platform_get_drvdata(pdev);
Jean Delvare08e7e272005-04-25 22:43:25 +02002507
Tony Jones1beeffe2007-08-20 13:46:20 -07002508 hwmon_device_unregister(data->hwmon_dev);
David Hubbard1ea6dd32007-06-24 11:16:15 +02002509 w83627ehf_device_remove_files(&pdev->dev);
2510 release_region(data->addr, IOREGION_LENGTH);
2511 platform_set_drvdata(pdev, NULL);
Jean Delvare08e7e272005-04-25 22:43:25 +02002512
2513 return 0;
2514}
2515
David Hubbard1ea6dd32007-06-24 11:16:15 +02002516static struct platform_driver w83627ehf_driver = {
Laurent Riffardcdaf7932005-11-26 20:37:41 +01002517 .driver = {
Jean Delvare87218842006-09-03 22:36:14 +02002518 .owner = THIS_MODULE,
David Hubbard1ea6dd32007-06-24 11:16:15 +02002519 .name = DRVNAME,
Laurent Riffardcdaf7932005-11-26 20:37:41 +01002520 },
David Hubbard1ea6dd32007-06-24 11:16:15 +02002521 .probe = w83627ehf_probe,
2522 .remove = __devexit_p(w83627ehf_remove),
Jean Delvare08e7e272005-04-25 22:43:25 +02002523};
2524
David Hubbard1ea6dd32007-06-24 11:16:15 +02002525/* w83627ehf_find() looks for a '627 in the Super-I/O config space */
2526static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
2527 struct w83627ehf_sio_data *sio_data)
Jean Delvare08e7e272005-04-25 22:43:25 +02002528{
David Hubbard1ea6dd32007-06-24 11:16:15 +02002529 static const char __initdata sio_name_W83627EHF[] = "W83627EHF";
2530 static const char __initdata sio_name_W83627EHG[] = "W83627EHG";
2531 static const char __initdata sio_name_W83627DHG[] = "W83627DHG";
Jean Delvarec1e48dc2009-06-15 18:39:50 +02002532 static const char __initdata sio_name_W83627DHG_P[] = "W83627DHG-P";
Jean Delvareeff76872011-11-04 12:00:48 +01002533 static const char __initdata sio_name_W83627UHG[] = "W83627UHG";
Gong Jun237c8d22009-03-30 21:46:42 +02002534 static const char __initdata sio_name_W83667HG[] = "W83667HG";
Guenter Roeckc39aeda2010-08-14 21:08:55 +02002535 static const char __initdata sio_name_W83667HG_B[] = "W83667HG-B";
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002536 static const char __initdata sio_name_NCT6775[] = "NCT6775F";
2537 static const char __initdata sio_name_NCT6776[] = "NCT6776F";
David Hubbard1ea6dd32007-06-24 11:16:15 +02002538
Jean Delvare08e7e272005-04-25 22:43:25 +02002539 u16 val;
David Hubbard1ea6dd32007-06-24 11:16:15 +02002540 const char *sio_name;
Jean Delvare08e7e272005-04-25 22:43:25 +02002541
David Hubbard1ea6dd32007-06-24 11:16:15 +02002542 superio_enter(sioaddr);
Jean Delvare08e7e272005-04-25 22:43:25 +02002543
Jean Delvare67b671b2007-12-06 23:13:42 +01002544 if (force_id)
2545 val = force_id;
2546 else
2547 val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8)
2548 | superio_inb(sioaddr, SIO_REG_DEVID + 1);
David Hubbard657c93b2007-02-14 21:15:04 +01002549 switch (val & SIO_ID_MASK) {
David Hubbard657c93b2007-02-14 21:15:04 +01002550 case SIO_W83627EHF_ID:
David Hubbard1ea6dd32007-06-24 11:16:15 +02002551 sio_data->kind = w83627ehf;
2552 sio_name = sio_name_W83627EHF;
2553 break;
David Hubbard657c93b2007-02-14 21:15:04 +01002554 case SIO_W83627EHG_ID:
David Hubbard1ea6dd32007-06-24 11:16:15 +02002555 sio_data->kind = w83627ehf;
2556 sio_name = sio_name_W83627EHG;
2557 break;
2558 case SIO_W83627DHG_ID:
2559 sio_data->kind = w83627dhg;
2560 sio_name = sio_name_W83627DHG;
David Hubbard657c93b2007-02-14 21:15:04 +01002561 break;
Jean Delvarec1e48dc2009-06-15 18:39:50 +02002562 case SIO_W83627DHG_P_ID:
2563 sio_data->kind = w83627dhg_p;
2564 sio_name = sio_name_W83627DHG_P;
2565 break;
Jean Delvareeff76872011-11-04 12:00:48 +01002566 case SIO_W83627UHG_ID:
2567 sio_data->kind = w83627uhg;
2568 sio_name = sio_name_W83627UHG;
2569 break;
Gong Jun237c8d22009-03-30 21:46:42 +02002570 case SIO_W83667HG_ID:
2571 sio_data->kind = w83667hg;
2572 sio_name = sio_name_W83667HG;
2573 break;
Guenter Roeckc39aeda2010-08-14 21:08:55 +02002574 case SIO_W83667HG_B_ID:
2575 sio_data->kind = w83667hg_b;
2576 sio_name = sio_name_W83667HG_B;
2577 break;
Guenter Roeckec3e5a12011-02-02 08:46:49 -08002578 case SIO_NCT6775_ID:
2579 sio_data->kind = nct6775;
2580 sio_name = sio_name_NCT6775;
2581 break;
2582 case SIO_NCT6776_ID:
2583 sio_data->kind = nct6776;
2584 sio_name = sio_name_NCT6776;
2585 break;
David Hubbard657c93b2007-02-14 21:15:04 +01002586 default:
Jean Delvare9f660362007-06-24 11:23:41 +02002587 if (val != 0xffff)
Joe Perchesabdc6fd2010-10-20 06:51:54 +00002588 pr_debug("unsupported chip ID: 0x%04x\n", val);
David Hubbard1ea6dd32007-06-24 11:16:15 +02002589 superio_exit(sioaddr);
Jean Delvare08e7e272005-04-25 22:43:25 +02002590 return -ENODEV;
2591 }
2592
David Hubbard1ea6dd32007-06-24 11:16:15 +02002593 /* We have a known chip, find the HWM I/O address */
2594 superio_select(sioaddr, W83627EHF_LD_HWM);
2595 val = (superio_inb(sioaddr, SIO_REG_ADDR) << 8)
2596 | superio_inb(sioaddr, SIO_REG_ADDR + 1);
Jean Delvare1a641fc2007-04-23 14:41:16 -07002597 *addr = val & IOREGION_ALIGNMENT;
Jean Delvare2d8672c2005-07-19 23:56:35 +02002598 if (*addr == 0) {
Joe Perchesabdc6fd2010-10-20 06:51:54 +00002599 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 +02002600 superio_exit(sioaddr);
Jean Delvare08e7e272005-04-25 22:43:25 +02002601 return -ENODEV;
2602 }
2603
2604 /* Activate logical device if needed */
David Hubbard1ea6dd32007-06-24 11:16:15 +02002605 val = superio_inb(sioaddr, SIO_REG_ENABLE);
David Hubbard475ef852007-06-24 11:17:09 +02002606 if (!(val & 0x01)) {
Guenter Roecke7e1ca62011-02-04 13:24:30 -08002607 pr_warn("Forcibly enabling Super-I/O. "
2608 "Sensor is probably unusable.\n");
David Hubbard1ea6dd32007-06-24 11:16:15 +02002609 superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01);
David Hubbard475ef852007-06-24 11:17:09 +02002610 }
Jean Delvare08e7e272005-04-25 22:43:25 +02002611
David Hubbard1ea6dd32007-06-24 11:16:15 +02002612 superio_exit(sioaddr);
Joe Perchesabdc6fd2010-10-20 06:51:54 +00002613 pr_info("Found %s chip at %#x\n", sio_name, *addr);
David Hubbard1ea6dd32007-06-24 11:16:15 +02002614 sio_data->sioreg = sioaddr;
2615
Jean Delvare08e7e272005-04-25 22:43:25 +02002616 return 0;
2617}
2618
David Hubbard1ea6dd32007-06-24 11:16:15 +02002619/* when Super-I/O functions move to a separate file, the Super-I/O
2620 * bus will manage the lifetime of the device and this module will only keep
2621 * track of the w83627ehf driver. But since we platform_device_alloc(), we
2622 * must keep track of the device */
2623static struct platform_device *pdev;
2624
Jean Delvare08e7e272005-04-25 22:43:25 +02002625static int __init sensors_w83627ehf_init(void)
2626{
David Hubbard1ea6dd32007-06-24 11:16:15 +02002627 int err;
2628 unsigned short address;
2629 struct resource res;
2630 struct w83627ehf_sio_data sio_data;
2631
2632 /* initialize sio_data->kind and sio_data->sioreg.
2633 *
2634 * when Super-I/O functions move to a separate file, the Super-I/O
2635 * driver will probe 0x2e and 0x4e and auto-detect the presence of a
2636 * w83627ehf hardware monitor, and call probe() */
2637 if (w83627ehf_find(0x2e, &address, &sio_data) &&
2638 w83627ehf_find(0x4e, &address, &sio_data))
Jean Delvare08e7e272005-04-25 22:43:25 +02002639 return -ENODEV;
2640
David Hubbard1ea6dd32007-06-24 11:16:15 +02002641 err = platform_driver_register(&w83627ehf_driver);
2642 if (err)
2643 goto exit;
2644
Guenter Roecke7e1ca62011-02-04 13:24:30 -08002645 pdev = platform_device_alloc(DRVNAME, address);
2646 if (!pdev) {
David Hubbard1ea6dd32007-06-24 11:16:15 +02002647 err = -ENOMEM;
Joe Perchesabdc6fd2010-10-20 06:51:54 +00002648 pr_err("Device allocation failed\n");
David Hubbard1ea6dd32007-06-24 11:16:15 +02002649 goto exit_unregister;
2650 }
2651
2652 err = platform_device_add_data(pdev, &sio_data,
2653 sizeof(struct w83627ehf_sio_data));
2654 if (err) {
Joe Perchesabdc6fd2010-10-20 06:51:54 +00002655 pr_err("Platform data allocation failed\n");
David Hubbard1ea6dd32007-06-24 11:16:15 +02002656 goto exit_device_put;
2657 }
2658
2659 memset(&res, 0, sizeof(res));
2660 res.name = DRVNAME;
2661 res.start = address + IOREGION_OFFSET;
2662 res.end = address + IOREGION_OFFSET + IOREGION_LENGTH - 1;
2663 res.flags = IORESOURCE_IO;
Jean Delvareb9acb642009-01-07 16:37:35 +01002664
2665 err = acpi_check_resource_conflict(&res);
2666 if (err)
Hans de Goede18632f82009-02-17 19:59:54 +01002667 goto exit_device_put;
Jean Delvareb9acb642009-01-07 16:37:35 +01002668
David Hubbard1ea6dd32007-06-24 11:16:15 +02002669 err = platform_device_add_resources(pdev, &res, 1);
2670 if (err) {
Joe Perchesabdc6fd2010-10-20 06:51:54 +00002671 pr_err("Device resource addition failed (%d)\n", err);
David Hubbard1ea6dd32007-06-24 11:16:15 +02002672 goto exit_device_put;
2673 }
2674
2675 /* platform_device_add calls probe() */
2676 err = platform_device_add(pdev);
2677 if (err) {
Joe Perchesabdc6fd2010-10-20 06:51:54 +00002678 pr_err("Device addition failed (%d)\n", err);
David Hubbard1ea6dd32007-06-24 11:16:15 +02002679 goto exit_device_put;
2680 }
2681
2682 return 0;
2683
2684exit_device_put:
2685 platform_device_put(pdev);
2686exit_unregister:
2687 platform_driver_unregister(&w83627ehf_driver);
2688exit:
2689 return err;
Jean Delvare08e7e272005-04-25 22:43:25 +02002690}
2691
2692static void __exit sensors_w83627ehf_exit(void)
2693{
David Hubbard1ea6dd32007-06-24 11:16:15 +02002694 platform_device_unregister(pdev);
2695 platform_driver_unregister(&w83627ehf_driver);
Jean Delvare08e7e272005-04-25 22:43:25 +02002696}
2697
2698MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
2699MODULE_DESCRIPTION("W83627EHF driver");
2700MODULE_LICENSE("GPL");
2701
2702module_init(sensors_w83627ehf_init);
2703module_exit(sensors_w83627ehf_exit);