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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Jean Delvare5f2dc792010-03-05 22:17:18 +01002 * it87.c - Part of lm_sensors, Linux kernel modules for hardware
3 * monitoring.
4 *
5 * The IT8705F is an LPC-based Super I/O part that contains UARTs, a
6 * parallel port, an IR port, a MIDI port, a floppy controller, etc., in
7 * addition to an Environment Controller (Enhanced Hardware Monitor and
8 * Fan Controller)
9 *
10 * This driver supports only the Environment Controller in the IT8705F and
11 * similar parts. The other devices are supported by different drivers.
12 *
Rudolf Marekc145d5c2014-01-29 20:40:08 +010013 * Supports: IT8603E Super I/O chip w/LPC interface
Guenter Roeck3ba9d972015-02-13 20:13:20 -080014 * IT8620E Super I/O chip w/LPC interface
Rudolf Marek574e9bd2014-04-04 18:01:35 +020015 * IT8623E Super I/O chip w/LPC interface
Guenter Roeck71a9c232016-01-18 00:35:58 -080016 * IT8628E Super I/O chip w/LPC interface
Rudolf Marekc145d5c2014-01-29 20:40:08 +010017 * IT8705F Super I/O chip w/LPC interface
Jean Delvare5f2dc792010-03-05 22:17:18 +010018 * IT8712F Super I/O chip w/LPC interface
19 * IT8716F Super I/O chip w/LPC interface
20 * IT8718F Super I/O chip w/LPC interface
21 * IT8720F Super I/O chip w/LPC interface
Jean Delvare44c1bcd2010-10-28 20:31:51 +020022 * IT8721F Super I/O chip w/LPC interface
Jean Delvare5f2dc792010-03-05 22:17:18 +010023 * IT8726F Super I/O chip w/LPC interface
Jean Delvare16b5dda2012-01-16 22:51:48 +010024 * IT8728F Super I/O chip w/LPC interface
Justin Maggardead80802015-08-05 12:53:08 -070025 * IT8732F Super I/O chip w/LPC interface
Jean Delvare44c1bcd2010-10-28 20:31:51 +020026 * IT8758E Super I/O chip w/LPC interface
Guenter Roeckb0636702012-09-07 17:34:41 -060027 * IT8771E Super I/O chip w/LPC interface
28 * IT8772E Super I/O chip w/LPC interface
Guenter Roeck7bc32d22015-01-17 14:10:24 -080029 * IT8781F Super I/O chip w/LPC interface
Guenter Roeck0531d982012-03-02 11:46:44 -080030 * IT8782F Super I/O chip w/LPC interface
31 * IT8783E/F Super I/O chip w/LPC interface
Thomas Lorblanchesa0c14242015-02-13 13:19:06 +010032 * IT8786E Super I/O chip w/LPC interface
Guenter Roeck4ee07152015-03-25 23:26:28 -070033 * IT8790E Super I/O chip w/LPC interface
Jean Delvare5f2dc792010-03-05 22:17:18 +010034 * Sis950 A clone of the IT8705F
35 *
36 * Copyright (C) 2001 Chris Gauthron
Jean Delvare7c81c602014-01-29 20:40:08 +010037 * Copyright (C) 2005-2010 Jean Delvare <jdelvare@suse.de>
Jean Delvare5f2dc792010-03-05 22:17:18 +010038 *
39 * This program is free software; you can redistribute it and/or modify
40 * it under the terms of the GNU General Public License as published by
41 * the Free Software Foundation; either version 2 of the License, or
42 * (at your option) any later version.
43 *
44 * This program is distributed in the hope that it will be useful,
45 * but WITHOUT ANY WARRANTY; without even the implied warranty of
46 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
47 * GNU General Public License for more details.
Jean Delvare5f2dc792010-03-05 22:17:18 +010048 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070049
Joe Perchesa8ca1032011-01-12 21:55:10 +010050#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
51
Guenter Roeck48b2ae72015-04-02 08:06:12 -070052#include <linux/bitops.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070053#include <linux/module.h>
54#include <linux/init.h>
55#include <linux/slab.h>
56#include <linux/jiffies.h>
corentin.labbeb74f3fd2007-06-13 20:27:36 +020057#include <linux/platform_device.h>
Mark M. Hoffman943b0832005-07-15 21:39:18 -040058#include <linux/hwmon.h>
Jean Delvare303760b2005-07-31 21:52:01 +020059#include <linux/hwmon-sysfs.h>
60#include <linux/hwmon-vid.h>
Mark M. Hoffman943b0832005-07-15 21:39:18 -040061#include <linux/err.h>
Ingo Molnar9a61bf62006-01-18 23:19:26 +010062#include <linux/mutex.h>
Jean Delvare87808be2006-09-24 21:17:13 +020063#include <linux/sysfs.h>
Jean Delvare98dd22c2008-10-09 15:33:58 +020064#include <linux/string.h>
65#include <linux/dmi.h>
Jean Delvareb9acb642009-01-07 16:37:35 +010066#include <linux/acpi.h>
H Hartley Sweeten6055fae2009-09-15 17:18:13 +020067#include <linux/io.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070068
corentin.labbeb74f3fd2007-06-13 20:27:36 +020069#define DRVNAME "it87"
Linus Torvalds1da177e2005-04-16 15:20:36 -070070
Justin Maggardead80802015-08-05 12:53:08 -070071enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8732,
72 it8771, it8772, it8781, it8782, it8783, it8786, it8790, it8603,
Guenter Roeck71a9c232016-01-18 00:35:58 -080073 it8620, it8628 };
Linus Torvalds1da177e2005-04-16 15:20:36 -070074
Jean Delvare67b671b2007-12-06 23:13:42 +010075static unsigned short force_id;
76module_param(force_id, ushort, 0);
77MODULE_PARM_DESC(force_id, "Override the detected device ID");
78
Guenter Roecke84bd952015-03-28 08:24:29 -070079static struct platform_device *it87_pdev[2];
corentin.labbeb74f3fd2007-06-13 20:27:36 +020080
Guenter Roeck3c2e3512015-03-28 08:03:10 -070081#define REG_2E 0x2e /* The register to read/write */
Guenter Roecke84bd952015-03-28 08:24:29 -070082#define REG_4E 0x4e /* Secondary register to read/write */
Guenter Roeck3c2e3512015-03-28 08:03:10 -070083
Linus Torvalds1da177e2005-04-16 15:20:36 -070084#define DEV 0x07 /* Register: Logical device select */
Linus Torvalds1da177e2005-04-16 15:20:36 -070085#define PME 0x04 /* The device with the fan registers in it */
Jean-Marc Spaggiarib4da93e2009-01-07 16:37:32 +010086
87/* The device with the IT8718F/IT8720F VID value in it */
88#define GPIO 0x07
89
Linus Torvalds1da177e2005-04-16 15:20:36 -070090#define DEVID 0x20 /* Register: Device ID */
91#define DEVREV 0x22 /* Register: Device Revision */
92
Guenter Roeck3c2e3512015-03-28 08:03:10 -070093static inline int superio_inb(int ioreg, int reg)
Linus Torvalds1da177e2005-04-16 15:20:36 -070094{
Guenter Roeck3c2e3512015-03-28 08:03:10 -070095 outb(reg, ioreg);
96 return inb(ioreg + 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -070097}
98
Guenter Roeck3c2e3512015-03-28 08:03:10 -070099static inline void superio_outb(int ioreg, int reg, int val)
Jean Delvare436cad22010-07-09 16:22:48 +0200100{
Guenter Roeck3c2e3512015-03-28 08:03:10 -0700101 outb(reg, ioreg);
102 outb(val, ioreg + 1);
Jean Delvare436cad22010-07-09 16:22:48 +0200103}
104
Guenter Roeck3c2e3512015-03-28 08:03:10 -0700105static int superio_inw(int ioreg, int reg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106{
107 int val;
Guenter Roeckc9620242015-04-04 09:05:57 -0700108
Guenter Roeck3c2e3512015-03-28 08:03:10 -0700109 outb(reg++, ioreg);
110 val = inb(ioreg + 1) << 8;
111 outb(reg, ioreg);
112 val |= inb(ioreg + 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113 return val;
114}
115
Guenter Roeck3c2e3512015-03-28 08:03:10 -0700116static inline void superio_select(int ioreg, int ldn)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117{
Guenter Roeck3c2e3512015-03-28 08:03:10 -0700118 outb(DEV, ioreg);
119 outb(ldn, ioreg + 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120}
121
Guenter Roeck3c2e3512015-03-28 08:03:10 -0700122static inline int superio_enter(int ioreg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123{
Nat Gurumoorthy5b0380c2011-05-25 20:43:33 +0200124 /*
Guenter Roeck3c2e3512015-03-28 08:03:10 -0700125 * Try to reserve ioreg and ioreg + 1 for exclusive access.
Nat Gurumoorthy5b0380c2011-05-25 20:43:33 +0200126 */
Guenter Roeck3c2e3512015-03-28 08:03:10 -0700127 if (!request_muxed_region(ioreg, 2, DRVNAME))
Nat Gurumoorthy5b0380c2011-05-25 20:43:33 +0200128 return -EBUSY;
129
Guenter Roeck3c2e3512015-03-28 08:03:10 -0700130 outb(0x87, ioreg);
131 outb(0x01, ioreg);
132 outb(0x55, ioreg);
Guenter Roecke84bd952015-03-28 08:24:29 -0700133 outb(ioreg == REG_4E ? 0xaa : 0x55, ioreg);
Nat Gurumoorthy5b0380c2011-05-25 20:43:33 +0200134 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135}
136
Guenter Roeck3c2e3512015-03-28 08:03:10 -0700137static inline void superio_exit(int ioreg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138{
Guenter Roeck3c2e3512015-03-28 08:03:10 -0700139 outb(0x02, ioreg);
140 outb(0x02, ioreg + 1);
141 release_region(ioreg, 2);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142}
143
Jean Delvare87673dd2006-08-28 14:37:19 +0200144/* Logical device 4 registers */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145#define IT8712F_DEVID 0x8712
146#define IT8705F_DEVID 0x8705
Jean Delvare17d648b2006-08-28 14:23:46 +0200147#define IT8716F_DEVID 0x8716
Jean Delvare87673dd2006-08-28 14:37:19 +0200148#define IT8718F_DEVID 0x8718
Jean-Marc Spaggiarib4da93e2009-01-07 16:37:32 +0100149#define IT8720F_DEVID 0x8720
Jean Delvare44c1bcd2010-10-28 20:31:51 +0200150#define IT8721F_DEVID 0x8721
Rudolf Marek08a8f6e2007-06-09 10:11:16 -0400151#define IT8726F_DEVID 0x8726
Jean Delvare16b5dda2012-01-16 22:51:48 +0100152#define IT8728F_DEVID 0x8728
Justin Maggardead80802015-08-05 12:53:08 -0700153#define IT8732F_DEVID 0x8732
Guenter Roeckb0636702012-09-07 17:34:41 -0600154#define IT8771E_DEVID 0x8771
155#define IT8772E_DEVID 0x8772
Guenter Roeck7bc32d22015-01-17 14:10:24 -0800156#define IT8781F_DEVID 0x8781
Guenter Roeck0531d982012-03-02 11:46:44 -0800157#define IT8782F_DEVID 0x8782
158#define IT8783E_DEVID 0x8783
Thomas Lorblanchesa0c14242015-02-13 13:19:06 +0100159#define IT8786E_DEVID 0x8786
Guenter Roeck4ee07152015-03-25 23:26:28 -0700160#define IT8790E_DEVID 0x8790
Rudolf Marek7183ae82014-04-04 18:01:35 +0200161#define IT8603E_DEVID 0x8603
Guenter Roeck3ba9d972015-02-13 20:13:20 -0800162#define IT8620E_DEVID 0x8620
Rudolf Marek574e9bd2014-04-04 18:01:35 +0200163#define IT8623E_DEVID 0x8623
Guenter Roeck71a9c232016-01-18 00:35:58 -0800164#define IT8628E_DEVID 0x8628
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165#define IT87_ACT_REG 0x30
166#define IT87_BASE_REG 0x60
167
Jean Delvare87673dd2006-08-28 14:37:19 +0200168/* Logical device 7 registers (IT8712F and later) */
Guenter Roeck0531d982012-03-02 11:46:44 -0800169#define IT87_SIO_GPIO1_REG 0x25
Guenter Roeck3ba9d972015-02-13 20:13:20 -0800170#define IT87_SIO_GPIO2_REG 0x26
Jean Delvare895ff262009-12-09 20:35:47 +0100171#define IT87_SIO_GPIO3_REG 0x27
Guenter Roeck36c4d982015-03-26 18:18:19 -0700172#define IT87_SIO_GPIO4_REG 0x28
Jean Delvare591ec652009-12-09 20:35:48 +0100173#define IT87_SIO_GPIO5_REG 0x29
Guenter Roeck0531d982012-03-02 11:46:44 -0800174#define IT87_SIO_PINX1_REG 0x2a /* Pin selection */
Jean Delvare87673dd2006-08-28 14:37:19 +0200175#define IT87_SIO_PINX2_REG 0x2c /* Pin selection */
Guenter Roeck0531d982012-03-02 11:46:44 -0800176#define IT87_SIO_SPI_REG 0xef /* SPI function pin select */
Jean Delvare87673dd2006-08-28 14:37:19 +0200177#define IT87_SIO_VID_REG 0xfc /* VID value */
Jean Delvared9b327c2010-03-05 22:17:17 +0100178#define IT87_SIO_BEEP_PIN_REG 0xf6 /* Beep pin mapping */
Jean Delvare87673dd2006-08-28 14:37:19 +0200179
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180/* Update battery voltage after every reading if true */
Rusty Russell90ab5ee2012-01-13 09:32:20 +1030181static bool update_vbat;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182
183/* Not all BIOSes properly configure the PWM registers */
Rusty Russell90ab5ee2012-01-13 09:32:20 +1030184static bool fix_pwm_polarity;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186/* Many IT87 constants specified below */
187
188/* Length of ISA address segment */
189#define IT87_EXTENT 8
190
Bjorn Helgaas87b4b662008-01-22 07:21:03 -0500191/* Length of ISA address segment for Environmental Controller */
192#define IT87_EC_EXTENT 2
193
194/* Offset of EC registers from ISA base address */
195#define IT87_EC_OFFSET 5
196
197/* Where are the ISA address/data registers relative to the EC base address */
198#define IT87_ADDR_REG_OFFSET 0
199#define IT87_DATA_REG_OFFSET 1
Linus Torvalds1da177e2005-04-16 15:20:36 -0700200
201/*----- The IT87 registers -----*/
202
203#define IT87_REG_CONFIG 0x00
204
205#define IT87_REG_ALARM1 0x01
206#define IT87_REG_ALARM2 0x02
207#define IT87_REG_ALARM3 0x03
208
Guenter Roeck4a0d71c2012-01-19 11:02:18 -0800209/*
210 * The IT8718F and IT8720F have the VID value in a different register, in
211 * Super-I/O configuration space.
212 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700213#define IT87_REG_VID 0x0a
Guenter Roeck4a0d71c2012-01-19 11:02:18 -0800214/*
215 * The IT8705F and IT8712F earlier than revision 0x08 use register 0x0b
216 * for fan divisors. Later IT8712F revisions must use 16-bit tachometer
217 * mode.
218 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700219#define IT87_REG_FAN_DIV 0x0b
Jean Delvare17d648b2006-08-28 14:23:46 +0200220#define IT87_REG_FAN_16BIT 0x0c
Linus Torvalds1da177e2005-04-16 15:20:36 -0700221
Guenter Roeckf838aa22015-04-01 20:09:36 -0700222/*
223 * Monitors:
224 * - up to 13 voltage (0 to 7, battery, avcc, 10 to 12)
225 * - up to 6 temp (1 to 6)
226 * - up to 6 fan (1 to 6)
227 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700228
Guenter Roeckfa3f70d2015-03-25 23:15:32 -0700229static const u8 IT87_REG_FAN[] = { 0x0d, 0x0e, 0x0f, 0x80, 0x82, 0x4c };
230static const u8 IT87_REG_FAN_MIN[] = { 0x10, 0x11, 0x12, 0x84, 0x86, 0x4e };
231static const u8 IT87_REG_FANX[] = { 0x18, 0x19, 0x1a, 0x81, 0x83, 0x4d };
232static const u8 IT87_REG_FANX_MIN[] = { 0x1b, 0x1c, 0x1d, 0x85, 0x87, 0x4f };
233static const u8 IT87_REG_TEMP_OFFSET[] = { 0x56, 0x57, 0x59 };
Guenter Roeck161d8982012-12-19 22:17:01 +0100234
Linus Torvalds1da177e2005-04-16 15:20:36 -0700235#define IT87_REG_FAN_MAIN_CTRL 0x13
236#define IT87_REG_FAN_CTL 0x14
Guenter Roeck36c4d982015-03-26 18:18:19 -0700237static const u8 IT87_REG_PWM[] = { 0x15, 0x16, 0x17, 0x7f, 0xa7, 0xaf };
238static const u8 IT87_REG_PWM_DUTY[] = { 0x63, 0x6b, 0x73, 0x7b, 0xa3, 0xab };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700239
Guenter Roeck559313c2015-04-01 10:15:38 -0700240static const u8 IT87_REG_VIN[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26,
Guenter Roeckf838aa22015-04-01 20:09:36 -0700241 0x27, 0x28, 0x2f, 0x2c, 0x2d, 0x2e };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700242
Guenter Roeck559313c2015-04-01 10:15:38 -0700243#define IT87_REG_TEMP(nr) (0x29 + (nr))
Guenter Roeck73055402015-03-26 09:16:32 -0700244
Linus Torvalds1da177e2005-04-16 15:20:36 -0700245#define IT87_REG_VIN_MAX(nr) (0x30 + (nr) * 2)
246#define IT87_REG_VIN_MIN(nr) (0x31 + (nr) * 2)
247#define IT87_REG_TEMP_HIGH(nr) (0x40 + (nr) * 2)
248#define IT87_REG_TEMP_LOW(nr) (0x41 + (nr) * 2)
249
Linus Torvalds1da177e2005-04-16 15:20:36 -0700250#define IT87_REG_VIN_ENABLE 0x50
251#define IT87_REG_TEMP_ENABLE 0x51
Guenter Roeck4573acb2012-03-26 16:17:41 -0700252#define IT87_REG_TEMP_EXTRA 0x55
Jean Delvared9b327c2010-03-05 22:17:17 +0100253#define IT87_REG_BEEP_ENABLE 0x5c
Linus Torvalds1da177e2005-04-16 15:20:36 -0700254
255#define IT87_REG_CHIPID 0x58
256
Guenter Roeck2cbb9c32015-04-05 11:53:29 -0700257static const u8 IT87_REG_AUTO_BASE[] = { 0x60, 0x68, 0x70, 0x78, 0xa0, 0xa8 };
258
259#define IT87_REG_AUTO_TEMP(nr, i) (IT87_REG_AUTO_BASE[nr] + (i))
260#define IT87_REG_AUTO_PWM(nr, i) (IT87_REG_AUTO_BASE[nr] + 5 + (i))
Jean Delvare4f3f51b2010-03-05 22:17:21 +0100261
Guenter Roeckcc18da72015-04-01 10:03:01 -0700262#define IT87_REG_TEMP456_ENABLE 0x77
263
Guenter Roeck23100482015-04-02 08:23:45 -0700264#define NUM_VIN ARRAY_SIZE(IT87_REG_VIN)
265#define NUM_VIN_LIMIT 8
266#define NUM_TEMP 6
267#define NUM_TEMP_OFFSET ARRAY_SIZE(IT87_REG_TEMP_OFFSET)
268#define NUM_TEMP_LIMIT 3
269#define NUM_FAN ARRAY_SIZE(IT87_REG_FAN)
270#define NUM_FAN_DIV 3
271#define NUM_PWM ARRAY_SIZE(IT87_REG_PWM)
272#define NUM_AUTO_PWM ARRAY_SIZE(IT87_REG_PWM)
273
Guenter Roeck483db432012-12-19 22:17:02 +0100274struct it87_devices {
275 const char *name;
Guenter Roeckfaf392f2015-03-26 08:36:18 -0700276 const char * const suffix;
Guenter Roeckcc18da72015-04-01 10:03:01 -0700277 u32 features;
Guenter Roeck19529782012-12-19 22:17:02 +0100278 u8 peci_mask;
279 u8 old_peci_mask;
Guenter Roeck483db432012-12-19 22:17:02 +0100280};
281
Guenter Roeck48b2ae72015-04-02 08:06:12 -0700282#define FEAT_12MV_ADC BIT(0)
283#define FEAT_NEWER_AUTOPWM BIT(1)
284#define FEAT_OLD_AUTOPWM BIT(2)
285#define FEAT_16BIT_FANS BIT(3)
286#define FEAT_TEMP_OFFSET BIT(4)
287#define FEAT_TEMP_PECI BIT(5)
288#define FEAT_TEMP_OLD_PECI BIT(6)
289#define FEAT_FAN16_CONFIG BIT(7) /* Need to enable 16-bit fans */
290#define FEAT_FIVE_FANS BIT(8) /* Supports five fans */
291#define FEAT_VID BIT(9) /* Set if chip supports VID */
292#define FEAT_IN7_INTERNAL BIT(10) /* Set if in7 is internal */
293#define FEAT_SIX_FANS BIT(11) /* Supports six fans */
294#define FEAT_10_9MV_ADC BIT(12)
295#define FEAT_AVCC3 BIT(13) /* Chip supports in9/AVCC3 */
296#define FEAT_SIX_PWM BIT(14) /* Chip supports 6 pwm chn */
297#define FEAT_PWM_FREQ2 BIT(15) /* Separate pwm freq 2 */
298#define FEAT_SIX_TEMP BIT(16) /* Up to 6 temp sensors */
Guenter Roeck483db432012-12-19 22:17:02 +0100299
300static const struct it87_devices it87_devices[] = {
301 [it87] = {
302 .name = "it87",
Guenter Roeckfaf392f2015-03-26 08:36:18 -0700303 .suffix = "F",
Guenter Roeck483db432012-12-19 22:17:02 +0100304 .features = FEAT_OLD_AUTOPWM, /* may need to overwrite */
305 },
306 [it8712] = {
307 .name = "it8712",
Guenter Roeckfaf392f2015-03-26 08:36:18 -0700308 .suffix = "F",
Guenter Roeck32dd7c42015-02-12 07:40:23 -0800309 .features = FEAT_OLD_AUTOPWM | FEAT_VID,
310 /* may need to overwrite */
Guenter Roeck483db432012-12-19 22:17:02 +0100311 },
312 [it8716] = {
313 .name = "it8716",
Guenter Roeckfaf392f2015-03-26 08:36:18 -0700314 .suffix = "F",
Guenter Roeck32dd7c42015-02-12 07:40:23 -0800315 .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_VID
Guenter Roeck60878bc2015-03-26 19:57:42 -0700316 | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS | FEAT_PWM_FREQ2,
Guenter Roeck483db432012-12-19 22:17:02 +0100317 },
318 [it8718] = {
319 .name = "it8718",
Guenter Roeckfaf392f2015-03-26 08:36:18 -0700320 .suffix = "F",
Guenter Roeck32dd7c42015-02-12 07:40:23 -0800321 .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_VID
Guenter Roeck60878bc2015-03-26 19:57:42 -0700322 | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS
323 | FEAT_PWM_FREQ2,
Guenter Roeck19529782012-12-19 22:17:02 +0100324 .old_peci_mask = 0x4,
Guenter Roeck483db432012-12-19 22:17:02 +0100325 },
326 [it8720] = {
327 .name = "it8720",
Guenter Roeckfaf392f2015-03-26 08:36:18 -0700328 .suffix = "F",
Guenter Roeck32dd7c42015-02-12 07:40:23 -0800329 .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_VID
Guenter Roeck60878bc2015-03-26 19:57:42 -0700330 | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS
331 | FEAT_PWM_FREQ2,
Guenter Roeck19529782012-12-19 22:17:02 +0100332 .old_peci_mask = 0x4,
Guenter Roeck483db432012-12-19 22:17:02 +0100333 },
334 [it8721] = {
335 .name = "it8721",
Guenter Roeckfaf392f2015-03-26 08:36:18 -0700336 .suffix = "F",
Guenter Roeck483db432012-12-19 22:17:02 +0100337 .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
Guenter Roeck9faf28c2015-02-12 07:11:38 -0800338 | FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
Guenter Roeck60878bc2015-03-26 19:57:42 -0700339 | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS | FEAT_IN7_INTERNAL
340 | FEAT_PWM_FREQ2,
Guenter Roeck5d8d2f22012-12-19 22:17:02 +0100341 .peci_mask = 0x05,
Guenter Roeck19529782012-12-19 22:17:02 +0100342 .old_peci_mask = 0x02, /* Actually reports PCH */
Guenter Roeck483db432012-12-19 22:17:02 +0100343 },
344 [it8728] = {
345 .name = "it8728",
Guenter Roeckfaf392f2015-03-26 08:36:18 -0700346 .suffix = "F",
Guenter Roeck483db432012-12-19 22:17:02 +0100347 .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
Guenter Roeck7f5726c2015-03-26 08:49:18 -0700348 | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_FIVE_FANS
Guenter Roeck60878bc2015-03-26 19:57:42 -0700349 | FEAT_IN7_INTERNAL | FEAT_PWM_FREQ2,
Guenter Roeck5d8d2f22012-12-19 22:17:02 +0100350 .peci_mask = 0x07,
Guenter Roeck483db432012-12-19 22:17:02 +0100351 },
Justin Maggardead80802015-08-05 12:53:08 -0700352 [it8732] = {
353 .name = "it8732",
354 .suffix = "F",
355 .features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
356 | FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
357 | FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL,
358 .peci_mask = 0x07,
359 .old_peci_mask = 0x02, /* Actually reports PCH */
360 },
Guenter Roeckb0636702012-09-07 17:34:41 -0600361 [it8771] = {
362 .name = "it8771",
Guenter Roeckfaf392f2015-03-26 08:36:18 -0700363 .suffix = "E",
Guenter Roeckb0636702012-09-07 17:34:41 -0600364 .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
Guenter Roeck60878bc2015-03-26 19:57:42 -0700365 | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
366 | FEAT_PWM_FREQ2,
Guenter Roeck9faf28c2015-02-12 07:11:38 -0800367 /* PECI: guesswork */
368 /* 12mV ADC (OHM) */
369 /* 16 bit fans (OHM) */
370 /* three fans, always 16 bit (guesswork) */
Guenter Roeckb0636702012-09-07 17:34:41 -0600371 .peci_mask = 0x07,
372 },
373 [it8772] = {
374 .name = "it8772",
Guenter Roeckfaf392f2015-03-26 08:36:18 -0700375 .suffix = "E",
Guenter Roeckb0636702012-09-07 17:34:41 -0600376 .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
Guenter Roeck60878bc2015-03-26 19:57:42 -0700377 | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
378 | FEAT_PWM_FREQ2,
Guenter Roeck9faf28c2015-02-12 07:11:38 -0800379 /* PECI (coreboot) */
380 /* 12mV ADC (HWSensors4, OHM) */
381 /* 16 bit fans (HWSensors4, OHM) */
382 /* three fans, always 16 bit (datasheet) */
Guenter Roeckb0636702012-09-07 17:34:41 -0600383 .peci_mask = 0x07,
384 },
Guenter Roeck7bc32d22015-01-17 14:10:24 -0800385 [it8781] = {
386 .name = "it8781",
Guenter Roeckfaf392f2015-03-26 08:36:18 -0700387 .suffix = "F",
Guenter Roeck7bc32d22015-01-17 14:10:24 -0800388 .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
Guenter Roeck60878bc2015-03-26 19:57:42 -0700389 | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_PWM_FREQ2,
Guenter Roeck7bc32d22015-01-17 14:10:24 -0800390 .old_peci_mask = 0x4,
391 },
Guenter Roeck483db432012-12-19 22:17:02 +0100392 [it8782] = {
393 .name = "it8782",
Guenter Roeckfaf392f2015-03-26 08:36:18 -0700394 .suffix = "F",
Guenter Roeck19529782012-12-19 22:17:02 +0100395 .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
Guenter Roeck60878bc2015-03-26 19:57:42 -0700396 | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_PWM_FREQ2,
Guenter Roeck19529782012-12-19 22:17:02 +0100397 .old_peci_mask = 0x4,
Guenter Roeck483db432012-12-19 22:17:02 +0100398 },
399 [it8783] = {
400 .name = "it8783",
Guenter Roeckfaf392f2015-03-26 08:36:18 -0700401 .suffix = "E/F",
Guenter Roeck19529782012-12-19 22:17:02 +0100402 .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
Guenter Roeck60878bc2015-03-26 19:57:42 -0700403 | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_PWM_FREQ2,
Guenter Roeck19529782012-12-19 22:17:02 +0100404 .old_peci_mask = 0x4,
Guenter Roeck483db432012-12-19 22:17:02 +0100405 },
Thomas Lorblanchesa0c14242015-02-13 13:19:06 +0100406 [it8786] = {
407 .name = "it8786",
Guenter Roeckfaf392f2015-03-26 08:36:18 -0700408 .suffix = "E",
Thomas Lorblanchesa0c14242015-02-13 13:19:06 +0100409 .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
Guenter Roeck60878bc2015-03-26 19:57:42 -0700410 | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
411 | FEAT_PWM_FREQ2,
Thomas Lorblanchesa0c14242015-02-13 13:19:06 +0100412 .peci_mask = 0x07,
413 },
Guenter Roeck4ee07152015-03-25 23:26:28 -0700414 [it8790] = {
415 .name = "it8790",
416 .suffix = "E",
417 .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
Guenter Roeck60878bc2015-03-26 19:57:42 -0700418 | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
419 | FEAT_PWM_FREQ2,
Guenter Roeck4ee07152015-03-25 23:26:28 -0700420 .peci_mask = 0x07,
421 },
Rudolf Marekc145d5c2014-01-29 20:40:08 +0100422 [it8603] = {
423 .name = "it8603",
Guenter Roeckfaf392f2015-03-26 08:36:18 -0700424 .suffix = "E",
Rudolf Marekc145d5c2014-01-29 20:40:08 +0100425 .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
Guenter Roeck73055402015-03-26 09:16:32 -0700426 | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
Guenter Roeck60878bc2015-03-26 19:57:42 -0700427 | FEAT_AVCC3 | FEAT_PWM_FREQ2,
Rudolf Marekc145d5c2014-01-29 20:40:08 +0100428 .peci_mask = 0x07,
429 },
Guenter Roeck3ba9d972015-02-13 20:13:20 -0800430 [it8620] = {
431 .name = "it8620",
432 .suffix = "E",
433 .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
Guenter Roeckfa3f70d2015-03-25 23:15:32 -0700434 | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_SIX_FANS
Guenter Roeckcc18da72015-04-01 10:03:01 -0700435 | FEAT_IN7_INTERNAL | FEAT_SIX_PWM | FEAT_PWM_FREQ2
436 | FEAT_SIX_TEMP,
Guenter Roeck3ba9d972015-02-13 20:13:20 -0800437 .peci_mask = 0x07,
438 },
Guenter Roeck71a9c232016-01-18 00:35:58 -0800439 [it8628] = {
440 .name = "it8628",
441 .suffix = "E",
442 .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
443 | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_SIX_FANS
444 | FEAT_IN7_INTERNAL | FEAT_SIX_PWM | FEAT_PWM_FREQ2
445 | FEAT_SIX_TEMP,
446 .peci_mask = 0x07,
447 },
Guenter Roeck483db432012-12-19 22:17:02 +0100448};
449
450#define has_16bit_fans(data) ((data)->features & FEAT_16BIT_FANS)
451#define has_12mv_adc(data) ((data)->features & FEAT_12MV_ADC)
Justin Maggardead80802015-08-05 12:53:08 -0700452#define has_10_9mv_adc(data) ((data)->features & FEAT_10_9MV_ADC)
Guenter Roeck483db432012-12-19 22:17:02 +0100453#define has_newer_autopwm(data) ((data)->features & FEAT_NEWER_AUTOPWM)
454#define has_old_autopwm(data) ((data)->features & FEAT_OLD_AUTOPWM)
455#define has_temp_offset(data) ((data)->features & FEAT_TEMP_OFFSET)
Guenter Roeck5d8d2f22012-12-19 22:17:02 +0100456#define has_temp_peci(data, nr) (((data)->features & FEAT_TEMP_PECI) && \
Guenter Roeck48b2ae72015-04-02 08:06:12 -0700457 ((data)->peci_mask & BIT(nr)))
Guenter Roeck19529782012-12-19 22:17:02 +0100458#define has_temp_old_peci(data, nr) \
459 (((data)->features & FEAT_TEMP_OLD_PECI) && \
Guenter Roeck48b2ae72015-04-02 08:06:12 -0700460 ((data)->old_peci_mask & BIT(nr)))
Guenter Roeck9faf28c2015-02-12 07:11:38 -0800461#define has_fan16_config(data) ((data)->features & FEAT_FAN16_CONFIG)
Guenter Roeckfa3f70d2015-03-25 23:15:32 -0700462#define has_five_fans(data) ((data)->features & (FEAT_FIVE_FANS | \
463 FEAT_SIX_FANS))
Guenter Roeck32dd7c42015-02-12 07:40:23 -0800464#define has_vid(data) ((data)->features & FEAT_VID)
Guenter Roeck7f5726c2015-03-26 08:49:18 -0700465#define has_in7_internal(data) ((data)->features & FEAT_IN7_INTERNAL)
Guenter Roeckfa3f70d2015-03-25 23:15:32 -0700466#define has_six_fans(data) ((data)->features & FEAT_SIX_FANS)
Guenter Roeck73055402015-03-26 09:16:32 -0700467#define has_avcc3(data) ((data)->features & FEAT_AVCC3)
Guenter Roeck36c4d982015-03-26 18:18:19 -0700468#define has_six_pwm(data) ((data)->features & FEAT_SIX_PWM)
Guenter Roeck60878bc2015-03-26 19:57:42 -0700469#define has_pwm_freq2(data) ((data)->features & FEAT_PWM_FREQ2)
Guenter Roeckcc18da72015-04-01 10:03:01 -0700470#define has_six_temp(data) ((data)->features & FEAT_SIX_TEMP)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700471
corentin.labbeb74f3fd2007-06-13 20:27:36 +0200472struct it87_sio_data {
473 enum chips type;
474 /* Values read from Super-I/O config space */
Andrew Paprocki04751692008-08-06 22:41:06 +0200475 u8 revision;
corentin.labbeb74f3fd2007-06-13 20:27:36 +0200476 u8 vid_value;
Jean Delvared9b327c2010-03-05 22:17:17 +0100477 u8 beep_pin;
Jean Delvare738e5e02010-08-14 21:08:50 +0200478 u8 internal; /* Internal sensors can be labeled */
Jean Delvare591ec652009-12-09 20:35:48 +0100479 /* Features skipped based on config or DMI */
Guenter Roeck9172b5d2012-03-24 21:49:54 -0700480 u16 skip_in;
Jean Delvare895ff262009-12-09 20:35:47 +0100481 u8 skip_vid;
Jean Delvare591ec652009-12-09 20:35:48 +0100482 u8 skip_fan;
Jean Delvare98dd22c2008-10-09 15:33:58 +0200483 u8 skip_pwm;
Guenter Roeck4573acb2012-03-26 16:17:41 -0700484 u8 skip_temp;
corentin.labbeb74f3fd2007-06-13 20:27:36 +0200485};
486
Guenter Roeck4a0d71c2012-01-19 11:02:18 -0800487/*
488 * For each registered chip, we need to keep some data in memory.
489 * The structure is dynamically allocated.
490 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700491struct it87_data {
Guenter Roeck8638d0a2015-03-30 11:13:49 -0700492 const struct attribute_group *groups[7];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700493 enum chips type;
Guenter Roeck483db432012-12-19 22:17:02 +0100494 u16 features;
Guenter Roeck19529782012-12-19 22:17:02 +0100495 u8 peci_mask;
496 u8 old_peci_mask;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700497
corentin.labbeb74f3fd2007-06-13 20:27:36 +0200498 unsigned short addr;
499 const char *name;
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100500 struct mutex update_lock;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700501 char valid; /* !=0 if following fields are valid */
502 unsigned long last_updated; /* In jiffies */
503
Jean Delvare44c1bcd2010-10-28 20:31:51 +0200504 u16 in_scaled; /* Internal voltage sensors are scaled */
Guenter Roeckd3766842013-03-30 15:47:21 -0700505 u16 in_internal; /* Bitfield, internal sensors (for labels) */
Guenter Roeck52929712013-03-30 14:00:08 -0700506 u16 has_in; /* Bitfield, voltage sensors enabled */
Guenter Roeck23100482015-04-02 08:23:45 -0700507 u8 in[NUM_VIN][3]; /* [nr][0]=in, [1]=min, [2]=max */
Jean Delvare9060f8b2006-08-28 14:24:17 +0200508 u8 has_fan; /* Bitfield, fans enabled */
Guenter Roeck23100482015-04-02 08:23:45 -0700509 u16 fan[NUM_FAN][2]; /* Register values, [nr][0]=fan, [1]=min */
Guenter Roeck4573acb2012-03-26 16:17:41 -0700510 u8 has_temp; /* Bitfield, temp sensors enabled */
Guenter Roeck23100482015-04-02 08:23:45 -0700511 s8 temp[NUM_TEMP][4]; /* [nr][0]=temp, [1]=min, [2]=max, [3]=offset */
Guenter Roeck19529782012-12-19 22:17:02 +0100512 u8 sensor; /* Register value (IT87_REG_TEMP_ENABLE) */
513 u8 extra; /* Register value (IT87_REG_TEMP_EXTRA) */
Guenter Roeck23100482015-04-02 08:23:45 -0700514 u8 fan_div[NUM_FAN_DIV];/* Register encoding, shifted right */
Guenter Roeckd3766842013-03-30 15:47:21 -0700515 bool has_vid; /* True if VID supported */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700516 u8 vid; /* Register encoding, combined */
Jean Delvarea7be58a2005-12-18 16:40:14 +0100517 u8 vrm;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700518 u32 alarms; /* Register encoding, combined */
Guenter Roeck52929712013-03-30 14:00:08 -0700519 bool has_beep; /* true if beep supported */
Jean Delvared9b327c2010-03-05 22:17:17 +0100520 u8 beeps; /* Register encoding */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700521 u8 fan_main_ctrl; /* Register value */
Jean Delvaref8d0c192007-02-14 21:15:02 +0100522 u8 fan_ctl; /* Register value */
Jean Delvareb99883d2010-03-05 22:17:15 +0100523
Guenter Roeck4a0d71c2012-01-19 11:02:18 -0800524 /*
525 * The following 3 arrays correspond to the same registers up to
Jean Delvare6229cdb2010-12-08 16:27:22 +0100526 * the IT8720F. The meaning of bits 6-0 depends on the value of bit
527 * 7, and we want to preserve settings on mode changes, so we have
528 * to track all values separately.
529 * Starting with the IT8721F, the manual PWM duty cycles are stored
530 * in separate registers (8-bit values), so the separate tracking
531 * is no longer needed, but it is still done to keep the driver
Guenter Roeck4a0d71c2012-01-19 11:02:18 -0800532 * simple.
533 */
Guenter Roeck5c391262013-03-30 15:02:12 -0700534 u8 has_pwm; /* Bitfield, pwm control enabled */
Guenter Roeck23100482015-04-02 08:23:45 -0700535 u8 pwm_ctrl[NUM_PWM]; /* Register value */
536 u8 pwm_duty[NUM_PWM]; /* Manual PWM value set by user */
537 u8 pwm_temp_map[NUM_PWM];/* PWM to temp. chan. mapping (bits 1-0) */
Jean Delvare4f3f51b2010-03-05 22:17:21 +0100538
539 /* Automatic fan speed control registers */
Guenter Roeck23100482015-04-02 08:23:45 -0700540 u8 auto_pwm[NUM_AUTO_PWM][4]; /* [nr][3] is hard-coded */
541 s8 auto_temp[NUM_AUTO_PWM][5]; /* [nr][0] is point1_temp_hyst */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700542};
543
Guenter Roeck0531d982012-03-02 11:46:44 -0800544static int adc_lsb(const struct it87_data *data, int nr)
545{
Justin Maggardead80802015-08-05 12:53:08 -0700546 int lsb;
547
548 if (has_12mv_adc(data))
549 lsb = 120;
550 else if (has_10_9mv_adc(data))
551 lsb = 109;
552 else
553 lsb = 160;
Guenter Roeck48b2ae72015-04-02 08:06:12 -0700554 if (data->in_scaled & BIT(nr))
Guenter Roeck0531d982012-03-02 11:46:44 -0800555 lsb <<= 1;
556 return lsb;
557}
558
Jean Delvare44c1bcd2010-10-28 20:31:51 +0200559static u8 in_to_reg(const struct it87_data *data, int nr, long val)
560{
Justin Maggardead80802015-08-05 12:53:08 -0700561 val = DIV_ROUND_CLOSEST(val * 10, adc_lsb(data, nr));
Guenter Roeck2a844c12013-01-09 08:09:34 -0800562 return clamp_val(val, 0, 255);
Jean Delvare44c1bcd2010-10-28 20:31:51 +0200563}
564
565static int in_from_reg(const struct it87_data *data, int nr, int val)
566{
Justin Maggardead80802015-08-05 12:53:08 -0700567 return DIV_ROUND_CLOSEST(val * adc_lsb(data, nr), 10);
Jean Delvare44c1bcd2010-10-28 20:31:51 +0200568}
Jean Delvare0df6454d2010-10-28 20:31:51 +0200569
570static inline u8 FAN_TO_REG(long rpm, int div)
571{
572 if (rpm == 0)
573 return 255;
Guenter Roeck2a844c12013-01-09 08:09:34 -0800574 rpm = clamp_val(rpm, 1, 1000000);
575 return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
Jean Delvare0df6454d2010-10-28 20:31:51 +0200576}
577
578static inline u16 FAN16_TO_REG(long rpm)
579{
580 if (rpm == 0)
581 return 0xffff;
Guenter Roeck2a844c12013-01-09 08:09:34 -0800582 return clamp_val((1350000 + rpm) / (rpm * 2), 1, 0xfffe);
Jean Delvare0df6454d2010-10-28 20:31:51 +0200583}
584
585#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : (val) == 255 ? 0 : \
586 1350000 / ((val) * (div)))
587/* The divider is fixed to 2 in 16-bit mode */
588#define FAN16_FROM_REG(val) ((val) == 0 ? -1 : (val) == 0xffff ? 0 : \
589 1350000 / ((val) * 2))
590
Guenter Roeck2a844c12013-01-09 08:09:34 -0800591#define TEMP_TO_REG(val) (clamp_val(((val) < 0 ? (((val) - 500) / 1000) : \
592 ((val) + 500) / 1000), -128, 127))
Jean Delvare0df6454d2010-10-28 20:31:51 +0200593#define TEMP_FROM_REG(val) ((val) * 1000)
594
Jean Delvare44c1bcd2010-10-28 20:31:51 +0200595static u8 pwm_to_reg(const struct it87_data *data, long val)
596{
Jean Delvare16b5dda2012-01-16 22:51:48 +0100597 if (has_newer_autopwm(data))
Jean Delvare44c1bcd2010-10-28 20:31:51 +0200598 return val;
599 else
600 return val >> 1;
601}
602
603static int pwm_from_reg(const struct it87_data *data, u8 reg)
604{
Jean Delvare16b5dda2012-01-16 22:51:48 +0100605 if (has_newer_autopwm(data))
Jean Delvare44c1bcd2010-10-28 20:31:51 +0200606 return reg;
607 else
608 return (reg & 0x7f) << 1;
609}
610
Jean Delvare0df6454d2010-10-28 20:31:51 +0200611static int DIV_TO_REG(int val)
612{
613 int answer = 0;
Guenter Roeckc9620242015-04-04 09:05:57 -0700614
Jean Delvare0df6454d2010-10-28 20:31:51 +0200615 while (answer < 7 && (val >>= 1))
616 answer++;
617 return answer;
618}
Guenter Roeck48b2ae72015-04-02 08:06:12 -0700619
620#define DIV_FROM_REG(val) BIT(val)
Jean Delvare0df6454d2010-10-28 20:31:51 +0200621
Guenter Roeckf56c9c02015-03-26 20:01:24 -0700622/*
623 * PWM base frequencies. The frequency has to be divided by either 128 or 256,
624 * depending on the chip type, to calculate the actual PWM frequency.
625 *
626 * Some of the chip datasheets suggest a base frequency of 51 kHz instead
627 * of 750 kHz for the slowest base frequency, resulting in a PWM frequency
628 * of 200 Hz. Sometimes both PWM frequency select registers are affected,
629 * sometimes just one. It is unknown if this is a datasheet error or real,
630 * so this is ignored for now.
631 */
Jean Delvare0df6454d2010-10-28 20:31:51 +0200632static const unsigned int pwm_freq[8] = {
Guenter Roeckf56c9c02015-03-26 20:01:24 -0700633 48000000,
634 24000000,
635 12000000,
636 8000000,
637 6000000,
638 3000000,
639 1500000,
640 750000,
Jean Delvare0df6454d2010-10-28 20:31:51 +0200641};
642
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700643/*
644 * Must be called with data->update_lock held, except during initialization.
645 * We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
646 * would slow down the IT87 access and should not be necessary.
647 */
648static int it87_read_value(struct it87_data *data, u8 reg)
649{
650 outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
651 return inb_p(data->addr + IT87_DATA_REG_OFFSET);
652}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700653
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700654/*
655 * Must be called with data->update_lock held, except during initialization.
656 * We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
657 * would slow down the IT87 access and should not be necessary.
658 */
659static void it87_write_value(struct it87_data *data, u8 reg, u8 value)
660{
661 outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
662 outb_p(value, data->addr + IT87_DATA_REG_OFFSET);
663}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700664
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700665static void it87_update_pwm_ctrl(struct it87_data *data, int nr)
666{
667 data->pwm_ctrl[nr] = it87_read_value(data, IT87_REG_PWM[nr]);
668 if (has_newer_autopwm(data)) {
Guenter Roeck0624d862015-04-06 21:04:18 -0700669 data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03;
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700670 data->pwm_duty[nr] = it87_read_value(data,
671 IT87_REG_PWM_DUTY[nr]);
672 } else {
673 if (data->pwm_ctrl[nr] & 0x80) /* Automatic mode */
674 data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03;
675 else /* Manual mode */
676 data->pwm_duty[nr] = data->pwm_ctrl[nr] & 0x7f;
677 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700678
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700679 if (has_old_autopwm(data)) {
680 int i;
681
682 for (i = 0; i < 5 ; i++)
683 data->auto_temp[nr][i] = it87_read_value(data,
684 IT87_REG_AUTO_TEMP(nr, i));
685 for (i = 0; i < 3 ; i++)
686 data->auto_pwm[nr][i] = it87_read_value(data,
687 IT87_REG_AUTO_PWM(nr, i));
Guenter Roeck2cbb9c32015-04-05 11:53:29 -0700688 } else if (has_newer_autopwm(data)) {
689 int i;
690
691 /*
692 * 0: temperature hysteresis (base + 5)
693 * 1: fan off temperature (base + 0)
694 * 2: fan start temperature (base + 1)
695 * 3: fan max temperature (base + 2)
696 */
697 data->auto_temp[nr][0] =
698 it87_read_value(data, IT87_REG_AUTO_TEMP(nr, 5));
699
700 for (i = 0; i < 3 ; i++)
701 data->auto_temp[nr][i + 1] =
702 it87_read_value(data,
703 IT87_REG_AUTO_TEMP(nr, i));
704 /*
705 * 0: start pwm value (base + 3)
706 * 1: pwm slope (base + 4, 1/8th pwm)
707 */
708 data->auto_pwm[nr][0] =
709 it87_read_value(data, IT87_REG_AUTO_TEMP(nr, 3));
710 data->auto_pwm[nr][1] =
711 it87_read_value(data, IT87_REG_AUTO_TEMP(nr, 4));
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700712 }
713}
714
715static struct it87_data *it87_update_device(struct device *dev)
716{
717 struct it87_data *data = dev_get_drvdata(dev);
718 int i;
719
720 mutex_lock(&data->update_lock);
721
Guenter Roeckc9620242015-04-04 09:05:57 -0700722 if (time_after(jiffies, data->last_updated + HZ + HZ / 2) ||
723 !data->valid) {
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700724 if (update_vbat) {
725 /*
726 * Cleared after each update, so reenable. Value
727 * returned by this read will be previous value
728 */
729 it87_write_value(data, IT87_REG_CONFIG,
730 it87_read_value(data, IT87_REG_CONFIG) | 0x40);
731 }
Guenter Roeck23100482015-04-02 08:23:45 -0700732 for (i = 0; i < NUM_VIN; i++) {
Guenter Roeck48b2ae72015-04-02 08:06:12 -0700733 if (!(data->has_in & BIT(i)))
Guenter Roeck559313c2015-04-01 10:15:38 -0700734 continue;
735
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700736 data->in[i][0] =
Guenter Roeck559313c2015-04-01 10:15:38 -0700737 it87_read_value(data, IT87_REG_VIN[i]);
738
739 /* VBAT and AVCC don't have limit registers */
Guenter Roeck23100482015-04-02 08:23:45 -0700740 if (i >= NUM_VIN_LIMIT)
Guenter Roeck559313c2015-04-01 10:15:38 -0700741 continue;
742
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700743 data->in[i][1] =
744 it87_read_value(data, IT87_REG_VIN_MIN(i));
745 data->in[i][2] =
746 it87_read_value(data, IT87_REG_VIN_MAX(i));
747 }
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700748
Guenter Roeck23100482015-04-02 08:23:45 -0700749 for (i = 0; i < NUM_FAN; i++) {
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700750 /* Skip disabled fans */
Guenter Roeck48b2ae72015-04-02 08:06:12 -0700751 if (!(data->has_fan & BIT(i)))
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700752 continue;
753
754 data->fan[i][1] =
755 it87_read_value(data, IT87_REG_FAN_MIN[i]);
756 data->fan[i][0] = it87_read_value(data,
757 IT87_REG_FAN[i]);
758 /* Add high byte if in 16-bit mode */
759 if (has_16bit_fans(data)) {
760 data->fan[i][0] |= it87_read_value(data,
761 IT87_REG_FANX[i]) << 8;
762 data->fan[i][1] |= it87_read_value(data,
763 IT87_REG_FANX_MIN[i]) << 8;
764 }
765 }
Guenter Roeck23100482015-04-02 08:23:45 -0700766 for (i = 0; i < NUM_TEMP; i++) {
Guenter Roeck48b2ae72015-04-02 08:06:12 -0700767 if (!(data->has_temp & BIT(i)))
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700768 continue;
769 data->temp[i][0] =
770 it87_read_value(data, IT87_REG_TEMP(i));
Guenter Roeckcc18da72015-04-01 10:03:01 -0700771
Guenter Roeck23100482015-04-02 08:23:45 -0700772 if (has_temp_offset(data) && i < NUM_TEMP_OFFSET)
773 data->temp[i][3] =
774 it87_read_value(data,
775 IT87_REG_TEMP_OFFSET[i]);
776
777 if (i >= NUM_TEMP_LIMIT)
Guenter Roeckcc18da72015-04-01 10:03:01 -0700778 continue;
779
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700780 data->temp[i][1] =
781 it87_read_value(data, IT87_REG_TEMP_LOW(i));
782 data->temp[i][2] =
783 it87_read_value(data, IT87_REG_TEMP_HIGH(i));
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700784 }
785
786 /* Newer chips don't have clock dividers */
787 if ((data->has_fan & 0x07) && !has_16bit_fans(data)) {
788 i = it87_read_value(data, IT87_REG_FAN_DIV);
789 data->fan_div[0] = i & 0x07;
790 data->fan_div[1] = (i >> 3) & 0x07;
791 data->fan_div[2] = (i & 0x40) ? 3 : 1;
792 }
793
794 data->alarms =
795 it87_read_value(data, IT87_REG_ALARM1) |
796 (it87_read_value(data, IT87_REG_ALARM2) << 8) |
797 (it87_read_value(data, IT87_REG_ALARM3) << 16);
798 data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE);
799
800 data->fan_main_ctrl = it87_read_value(data,
801 IT87_REG_FAN_MAIN_CTRL);
802 data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL);
Guenter Roeck0624d862015-04-06 21:04:18 -0700803 for (i = 0; i < NUM_PWM; i++) {
804 if (!(data->has_pwm & BIT(i)))
805 continue;
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700806 it87_update_pwm_ctrl(data, i);
Guenter Roeck0624d862015-04-06 21:04:18 -0700807 }
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -0700808
809 data->sensor = it87_read_value(data, IT87_REG_TEMP_ENABLE);
810 data->extra = it87_read_value(data, IT87_REG_TEMP_EXTRA);
811 /*
812 * The IT8705F does not have VID capability.
813 * The IT8718F and later don't use IT87_REG_VID for the
814 * same purpose.
815 */
816 if (data->type == it8712 || data->type == it8716) {
817 data->vid = it87_read_value(data, IT87_REG_VID);
818 /*
819 * The older IT8712F revisions had only 5 VID pins,
820 * but we assume it is always safe to read 6 bits.
821 */
822 data->vid &= 0x3f;
823 }
824 data->last_updated = jiffies;
825 data->valid = 1;
826 }
827
828 mutex_unlock(&data->update_lock);
829
830 return data;
831}
Jean Delvarefde09502005-07-19 23:51:07 +0200832
Jean Delvare20ad93d2005-06-05 11:53:25 +0200833static ssize_t show_in(struct device *dev, struct device_attribute *attr,
Guenter Roeck929c6a52012-12-19 22:17:00 +0100834 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700835{
Guenter Roeck929c6a52012-12-19 22:17:00 +0100836 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700837 struct it87_data *data = it87_update_device(dev);
Guenter Roeckc9620242015-04-04 09:05:57 -0700838 int index = sattr->index;
839 int nr = sattr->nr;
840
Guenter Roeck929c6a52012-12-19 22:17:00 +0100841 return sprintf(buf, "%d\n", in_from_reg(data, nr, data->in[nr][index]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700842}
843
Guenter Roeck929c6a52012-12-19 22:17:00 +0100844static ssize_t set_in(struct device *dev, struct device_attribute *attr,
845 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700846{
Guenter Roeck929c6a52012-12-19 22:17:00 +0100847 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
corentin.labbeb74f3fd2007-06-13 20:27:36 +0200848 struct it87_data *data = dev_get_drvdata(dev);
Guenter Roeckc9620242015-04-04 09:05:57 -0700849 int index = sattr->index;
850 int nr = sattr->nr;
Jean Delvaref5f64502010-03-05 22:17:19 +0100851 unsigned long val;
852
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +0100853 if (kstrtoul(buf, 10, &val) < 0)
Jean Delvaref5f64502010-03-05 22:17:19 +0100854 return -EINVAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700855
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100856 mutex_lock(&data->update_lock);
Guenter Roeck929c6a52012-12-19 22:17:00 +0100857 data->in[nr][index] = in_to_reg(data, nr, val);
858 it87_write_value(data,
859 index == 1 ? IT87_REG_VIN_MIN(nr)
860 : IT87_REG_VIN_MAX(nr),
861 data->in[nr][index]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100862 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700863 return count;
864}
865
Guenter Roeck929c6a52012-12-19 22:17:00 +0100866static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0);
867static SENSOR_DEVICE_ATTR_2(in0_min, S_IRUGO | S_IWUSR, show_in, set_in,
868 0, 1);
869static SENSOR_DEVICE_ATTR_2(in0_max, S_IRUGO | S_IWUSR, show_in, set_in,
870 0, 2);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700871
Guenter Roeck929c6a52012-12-19 22:17:00 +0100872static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 1, 0);
873static SENSOR_DEVICE_ATTR_2(in1_min, S_IRUGO | S_IWUSR, show_in, set_in,
874 1, 1);
875static SENSOR_DEVICE_ATTR_2(in1_max, S_IRUGO | S_IWUSR, show_in, set_in,
876 1, 2);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700877
Guenter Roeck929c6a52012-12-19 22:17:00 +0100878static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 2, 0);
879static SENSOR_DEVICE_ATTR_2(in2_min, S_IRUGO | S_IWUSR, show_in, set_in,
880 2, 1);
881static SENSOR_DEVICE_ATTR_2(in2_max, S_IRUGO | S_IWUSR, show_in, set_in,
882 2, 2);
883
884static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 3, 0);
885static SENSOR_DEVICE_ATTR_2(in3_min, S_IRUGO | S_IWUSR, show_in, set_in,
886 3, 1);
887static SENSOR_DEVICE_ATTR_2(in3_max, S_IRUGO | S_IWUSR, show_in, set_in,
888 3, 2);
889
890static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 4, 0);
891static SENSOR_DEVICE_ATTR_2(in4_min, S_IRUGO | S_IWUSR, show_in, set_in,
892 4, 1);
893static SENSOR_DEVICE_ATTR_2(in4_max, S_IRUGO | S_IWUSR, show_in, set_in,
894 4, 2);
895
896static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO, show_in, NULL, 5, 0);
897static SENSOR_DEVICE_ATTR_2(in5_min, S_IRUGO | S_IWUSR, show_in, set_in,
898 5, 1);
899static SENSOR_DEVICE_ATTR_2(in5_max, S_IRUGO | S_IWUSR, show_in, set_in,
900 5, 2);
901
902static SENSOR_DEVICE_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 6, 0);
903static SENSOR_DEVICE_ATTR_2(in6_min, S_IRUGO | S_IWUSR, show_in, set_in,
904 6, 1);
905static SENSOR_DEVICE_ATTR_2(in6_max, S_IRUGO | S_IWUSR, show_in, set_in,
906 6, 2);
907
908static SENSOR_DEVICE_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 7, 0);
909static SENSOR_DEVICE_ATTR_2(in7_min, S_IRUGO | S_IWUSR, show_in, set_in,
910 7, 1);
911static SENSOR_DEVICE_ATTR_2(in7_max, S_IRUGO | S_IWUSR, show_in, set_in,
912 7, 2);
913
914static SENSOR_DEVICE_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 8, 0);
Rudolf Marekc145d5c2014-01-29 20:40:08 +0100915static SENSOR_DEVICE_ATTR_2(in9_input, S_IRUGO, show_in, NULL, 9, 0);
Guenter Roeckf838aa22015-04-01 20:09:36 -0700916static SENSOR_DEVICE_ATTR_2(in10_input, S_IRUGO, show_in, NULL, 10, 0);
917static SENSOR_DEVICE_ATTR_2(in11_input, S_IRUGO, show_in, NULL, 11, 0);
918static SENSOR_DEVICE_ATTR_2(in12_input, S_IRUGO, show_in, NULL, 12, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700919
Guenter Roeckcc18da72015-04-01 10:03:01 -0700920/* Up to 6 temperatures */
Jean Delvare20ad93d2005-06-05 11:53:25 +0200921static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
Guenter Roeck60ca3852012-12-19 22:17:00 +0100922 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700923{
Guenter Roeck60ca3852012-12-19 22:17:00 +0100924 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
925 int nr = sattr->nr;
926 int index = sattr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700927 struct it87_data *data = it87_update_device(dev);
Jean Delvare20ad93d2005-06-05 11:53:25 +0200928
Guenter Roeck60ca3852012-12-19 22:17:00 +0100929 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr][index]));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700930}
Jean Delvare20ad93d2005-06-05 11:53:25 +0200931
Guenter Roeck60ca3852012-12-19 22:17:00 +0100932static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
933 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700934{
Guenter Roeck60ca3852012-12-19 22:17:00 +0100935 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
936 int nr = sattr->nr;
937 int index = sattr->index;
corentin.labbeb74f3fd2007-06-13 20:27:36 +0200938 struct it87_data *data = dev_get_drvdata(dev);
Jean Delvaref5f64502010-03-05 22:17:19 +0100939 long val;
Guenter Roeck161d8982012-12-19 22:17:01 +0100940 u8 reg, regval;
Jean Delvaref5f64502010-03-05 22:17:19 +0100941
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +0100942 if (kstrtol(buf, 10, &val) < 0)
Jean Delvaref5f64502010-03-05 22:17:19 +0100943 return -EINVAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700944
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100945 mutex_lock(&data->update_lock);
Guenter Roeck161d8982012-12-19 22:17:01 +0100946
947 switch (index) {
948 default:
949 case 1:
950 reg = IT87_REG_TEMP_LOW(nr);
951 break;
952 case 2:
953 reg = IT87_REG_TEMP_HIGH(nr);
954 break;
955 case 3:
956 regval = it87_read_value(data, IT87_REG_BEEP_ENABLE);
957 if (!(regval & 0x80)) {
958 regval |= 0x80;
959 it87_write_value(data, IT87_REG_BEEP_ENABLE, regval);
960 }
961 data->valid = 0;
962 reg = IT87_REG_TEMP_OFFSET[nr];
963 break;
964 }
965
Guenter Roeck60ca3852012-12-19 22:17:00 +0100966 data->temp[nr][index] = TEMP_TO_REG(val);
Guenter Roeck161d8982012-12-19 22:17:01 +0100967 it87_write_value(data, reg, data->temp[nr][index]);
Ingo Molnar9a61bf62006-01-18 23:19:26 +0100968 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700969 return count;
970}
Jean Delvare20ad93d2005-06-05 11:53:25 +0200971
Guenter Roeck60ca3852012-12-19 22:17:00 +0100972static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0);
973static SENSOR_DEVICE_ATTR_2(temp1_min, S_IRUGO | S_IWUSR, show_temp, set_temp,
974 0, 1);
975static SENSOR_DEVICE_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp, set_temp,
976 0, 2);
Guenter Roeck161d8982012-12-19 22:17:01 +0100977static SENSOR_DEVICE_ATTR_2(temp1_offset, S_IRUGO | S_IWUSR, show_temp,
978 set_temp, 0, 3);
Guenter Roeck60ca3852012-12-19 22:17:00 +0100979static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 1, 0);
980static SENSOR_DEVICE_ATTR_2(temp2_min, S_IRUGO | S_IWUSR, show_temp, set_temp,
981 1, 1);
982static SENSOR_DEVICE_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp, set_temp,
983 1, 2);
Guenter Roeck161d8982012-12-19 22:17:01 +0100984static SENSOR_DEVICE_ATTR_2(temp2_offset, S_IRUGO | S_IWUSR, show_temp,
985 set_temp, 1, 3);
Guenter Roeck60ca3852012-12-19 22:17:00 +0100986static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 2, 0);
987static SENSOR_DEVICE_ATTR_2(temp3_min, S_IRUGO | S_IWUSR, show_temp, set_temp,
988 2, 1);
989static SENSOR_DEVICE_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp, set_temp,
990 2, 2);
Guenter Roeck161d8982012-12-19 22:17:01 +0100991static SENSOR_DEVICE_ATTR_2(temp3_offset, S_IRUGO | S_IWUSR, show_temp,
992 set_temp, 2, 3);
Guenter Roeckcc18da72015-04-01 10:03:01 -0700993static SENSOR_DEVICE_ATTR_2(temp4_input, S_IRUGO, show_temp, NULL, 3, 0);
994static SENSOR_DEVICE_ATTR_2(temp5_input, S_IRUGO, show_temp, NULL, 4, 0);
995static SENSOR_DEVICE_ATTR_2(temp6_input, S_IRUGO, show_temp, NULL, 5, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700996
Guenter Roeck2cece012012-12-19 22:17:01 +0100997static ssize_t show_temp_type(struct device *dev, struct device_attribute *attr,
998 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700999{
Jean Delvare20ad93d2005-06-05 11:53:25 +02001000 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1001 int nr = sensor_attr->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001002 struct it87_data *data = it87_update_device(dev);
Guenter Roeck4a0d71c2012-01-19 11:02:18 -08001003 u8 reg = data->sensor; /* In case value is updated while used */
Guenter Roeck19529782012-12-19 22:17:02 +01001004 u8 extra = data->extra;
Jean Delvare5f2dc792010-03-05 22:17:18 +01001005
Guenter Roeckc9620242015-04-04 09:05:57 -07001006 if ((has_temp_peci(data, nr) && (reg >> 6 == nr + 1)) ||
1007 (has_temp_old_peci(data, nr) && (extra & 0x80)))
Guenter Roeck5d8d2f22012-12-19 22:17:02 +01001008 return sprintf(buf, "6\n"); /* Intel PECI */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001009 if (reg & (1 << nr))
1010 return sprintf(buf, "3\n"); /* thermal diode */
1011 if (reg & (8 << nr))
Jean Delvare4ed10772008-10-17 17:51:16 +02001012 return sprintf(buf, "4\n"); /* thermistor */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001013 return sprintf(buf, "0\n"); /* disabled */
1014}
Guenter Roeck2cece012012-12-19 22:17:01 +01001015
1016static ssize_t set_temp_type(struct device *dev, struct device_attribute *attr,
1017 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001018{
Jean Delvare20ad93d2005-06-05 11:53:25 +02001019 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1020 int nr = sensor_attr->index;
1021
corentin.labbeb74f3fd2007-06-13 20:27:36 +02001022 struct it87_data *data = dev_get_drvdata(dev);
Jean Delvaref5f64502010-03-05 22:17:19 +01001023 long val;
Guenter Roeck19529782012-12-19 22:17:02 +01001024 u8 reg, extra;
Jean Delvaref5f64502010-03-05 22:17:19 +01001025
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001026 if (kstrtol(buf, 10, &val) < 0)
Jean Delvaref5f64502010-03-05 22:17:19 +01001027 return -EINVAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001028
Jean Delvare8acf07c2010-04-14 16:14:09 +02001029 reg = it87_read_value(data, IT87_REG_TEMP_ENABLE);
1030 reg &= ~(1 << nr);
1031 reg &= ~(8 << nr);
Guenter Roeck5d8d2f22012-12-19 22:17:02 +01001032 if (has_temp_peci(data, nr) && (reg >> 6 == nr + 1 || val == 6))
1033 reg &= 0x3f;
Guenter Roeck19529782012-12-19 22:17:02 +01001034 extra = it87_read_value(data, IT87_REG_TEMP_EXTRA);
1035 if (has_temp_old_peci(data, nr) && ((extra & 0x80) || val == 6))
1036 extra &= 0x7f;
Jean Delvare4ed10772008-10-17 17:51:16 +02001037 if (val == 2) { /* backwards compatibility */
Guenter Roeck1d9bcf62012-12-19 22:17:01 +01001038 dev_warn(dev,
1039 "Sensor type 2 is deprecated, please use 4 instead\n");
Jean Delvare4ed10772008-10-17 17:51:16 +02001040 val = 4;
1041 }
Guenter Roeck5d8d2f22012-12-19 22:17:02 +01001042 /* 3 = thermal diode; 4 = thermistor; 6 = Intel PECI; 0 = disabled */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001043 if (val == 3)
Jean Delvare8acf07c2010-04-14 16:14:09 +02001044 reg |= 1 << nr;
Jean Delvare4ed10772008-10-17 17:51:16 +02001045 else if (val == 4)
Jean Delvare8acf07c2010-04-14 16:14:09 +02001046 reg |= 8 << nr;
Guenter Roeck5d8d2f22012-12-19 22:17:02 +01001047 else if (has_temp_peci(data, nr) && val == 6)
1048 reg |= (nr + 1) << 6;
Guenter Roeck19529782012-12-19 22:17:02 +01001049 else if (has_temp_old_peci(data, nr) && val == 6)
1050 extra |= 0x80;
Jean Delvare8acf07c2010-04-14 16:14:09 +02001051 else if (val != 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001052 return -EINVAL;
Jean Delvare8acf07c2010-04-14 16:14:09 +02001053
1054 mutex_lock(&data->update_lock);
1055 data->sensor = reg;
Guenter Roeck19529782012-12-19 22:17:02 +01001056 data->extra = extra;
corentin.labbeb74f3fd2007-06-13 20:27:36 +02001057 it87_write_value(data, IT87_REG_TEMP_ENABLE, data->sensor);
Guenter Roeck19529782012-12-19 22:17:02 +01001058 if (has_temp_old_peci(data, nr))
1059 it87_write_value(data, IT87_REG_TEMP_EXTRA, data->extra);
Jean Delvare2b3d1d82010-04-14 16:14:10 +02001060 data->valid = 0; /* Force cache refresh */
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001061 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001062 return count;
1063}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001064
Guenter Roeck2cece012012-12-19 22:17:01 +01001065static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO | S_IWUSR, show_temp_type,
1066 set_temp_type, 0);
1067static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO | S_IWUSR, show_temp_type,
1068 set_temp_type, 1);
1069static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO | S_IWUSR, show_temp_type,
1070 set_temp_type, 2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001071
Guenter Roeckf1bbe612015-04-05 13:16:54 -07001072/* 6 Fans */
Jean Delvareb99883d2010-03-05 22:17:15 +01001073
1074static int pwm_mode(const struct it87_data *data, int nr)
1075{
Guenter Roeckf1bbe612015-04-05 13:16:54 -07001076 if (data->type != it8603 && nr < 3 && !(data->fan_main_ctrl & BIT(nr)))
1077 return 0; /* Full speed */
1078 if (data->pwm_ctrl[nr] & 0x80)
1079 return 2; /* Automatic mode */
1080 if ((data->type == it8603 || nr >= 3) &&
1081 data->pwm_duty[nr] == pwm_to_reg(data, 0xff))
1082 return 0; /* Full speed */
Jean Delvareb99883d2010-03-05 22:17:15 +01001083
Guenter Roeckf1bbe612015-04-05 13:16:54 -07001084 return 1; /* Manual mode */
Jean Delvareb99883d2010-03-05 22:17:15 +01001085}
1086
Jean Delvare20ad93d2005-06-05 11:53:25 +02001087static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
Guenter Roecke1169ba2012-12-19 22:17:01 +01001088 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001089{
Guenter Roecke1169ba2012-12-19 22:17:01 +01001090 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
1091 int nr = sattr->nr;
1092 int index = sattr->index;
1093 int speed;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001094 struct it87_data *data = it87_update_device(dev);
Jean Delvare20ad93d2005-06-05 11:53:25 +02001095
Guenter Roecke1169ba2012-12-19 22:17:01 +01001096 speed = has_16bit_fans(data) ?
1097 FAN16_FROM_REG(data->fan[nr][index]) :
1098 FAN_FROM_REG(data->fan[nr][index],
1099 DIV_FROM_REG(data->fan_div[nr]));
1100 return sprintf(buf, "%d\n", speed);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001101}
Guenter Roecke1169ba2012-12-19 22:17:01 +01001102
Jean Delvare20ad93d2005-06-05 11:53:25 +02001103static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
Guenter Roeckc9620242015-04-04 09:05:57 -07001104 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001105{
Jean Delvare20ad93d2005-06-05 11:53:25 +02001106 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
Guenter Roeckc9620242015-04-04 09:05:57 -07001107 struct it87_data *data = it87_update_device(dev);
Jean Delvare20ad93d2005-06-05 11:53:25 +02001108 int nr = sensor_attr->index;
1109
Guenter Roeck48b2ae72015-04-02 08:06:12 -07001110 return sprintf(buf, "%lu\n", DIV_FROM_REG(data->fan_div[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001111}
Guenter Roeckc9620242015-04-04 09:05:57 -07001112
Jean Delvare5f2dc792010-03-05 22:17:18 +01001113static ssize_t show_pwm_enable(struct device *dev,
Guenter Roeckc9620242015-04-04 09:05:57 -07001114 struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001115{
Jean Delvare20ad93d2005-06-05 11:53:25 +02001116 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
Guenter Roeckc9620242015-04-04 09:05:57 -07001117 struct it87_data *data = it87_update_device(dev);
Jean Delvare20ad93d2005-06-05 11:53:25 +02001118 int nr = sensor_attr->index;
1119
Jean Delvareb99883d2010-03-05 22:17:15 +01001120 return sprintf(buf, "%d\n", pwm_mode(data, nr));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001121}
Guenter Roeckc9620242015-04-04 09:05:57 -07001122
Jean Delvare20ad93d2005-06-05 11:53:25 +02001123static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
Guenter Roeckc9620242015-04-04 09:05:57 -07001124 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001125{
Jean Delvare20ad93d2005-06-05 11:53:25 +02001126 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
Guenter Roeckc9620242015-04-04 09:05:57 -07001127 struct it87_data *data = it87_update_device(dev);
Jean Delvare20ad93d2005-06-05 11:53:25 +02001128 int nr = sensor_attr->index;
1129
Jean Delvare44c1bcd2010-10-28 20:31:51 +02001130 return sprintf(buf, "%d\n",
1131 pwm_from_reg(data, data->pwm_duty[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001132}
Guenter Roeckc9620242015-04-04 09:05:57 -07001133
Jean Delvaref8d0c192007-02-14 21:15:02 +01001134static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr,
Guenter Roeckc9620242015-04-04 09:05:57 -07001135 char *buf)
Jean Delvaref8d0c192007-02-14 21:15:02 +01001136{
Guenter Roeck60878bc2015-03-26 19:57:42 -07001137 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
Jean Delvaref8d0c192007-02-14 21:15:02 +01001138 struct it87_data *data = it87_update_device(dev);
Guenter Roeck60878bc2015-03-26 19:57:42 -07001139 int nr = sensor_attr->index;
Guenter Roeckf56c9c02015-03-26 20:01:24 -07001140 unsigned int freq;
Guenter Roeck60878bc2015-03-26 19:57:42 -07001141 int index;
1142
1143 if (has_pwm_freq2(data) && nr == 1)
1144 index = (data->extra >> 4) & 0x07;
1145 else
1146 index = (data->fan_ctl >> 4) & 0x07;
Jean Delvaref8d0c192007-02-14 21:15:02 +01001147
Guenter Roeckf56c9c02015-03-26 20:01:24 -07001148 freq = pwm_freq[index] / (has_newer_autopwm(data) ? 256 : 128);
1149
1150 return sprintf(buf, "%u\n", freq);
Jean Delvaref8d0c192007-02-14 21:15:02 +01001151}
Guenter Roecke1169ba2012-12-19 22:17:01 +01001152
1153static ssize_t set_fan(struct device *dev, struct device_attribute *attr,
1154 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001155{
Guenter Roecke1169ba2012-12-19 22:17:01 +01001156 struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
1157 int nr = sattr->nr;
1158 int index = sattr->index;
Jean Delvare20ad93d2005-06-05 11:53:25 +02001159
corentin.labbeb74f3fd2007-06-13 20:27:36 +02001160 struct it87_data *data = dev_get_drvdata(dev);
Jean Delvaref5f64502010-03-05 22:17:19 +01001161 long val;
Jean Delvare7f999aa2007-02-14 21:15:03 +01001162 u8 reg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001163
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001164 if (kstrtol(buf, 10, &val) < 0)
Jean Delvaref5f64502010-03-05 22:17:19 +01001165 return -EINVAL;
1166
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001167 mutex_lock(&data->update_lock);
Guenter Roecke1169ba2012-12-19 22:17:01 +01001168
1169 if (has_16bit_fans(data)) {
1170 data->fan[nr][index] = FAN16_TO_REG(val);
1171 it87_write_value(data, IT87_REG_FAN_MIN[nr],
1172 data->fan[nr][index] & 0xff);
1173 it87_write_value(data, IT87_REG_FANX_MIN[nr],
1174 data->fan[nr][index] >> 8);
1175 } else {
1176 reg = it87_read_value(data, IT87_REG_FAN_DIV);
1177 switch (nr) {
1178 case 0:
1179 data->fan_div[nr] = reg & 0x07;
1180 break;
1181 case 1:
1182 data->fan_div[nr] = (reg >> 3) & 0x07;
1183 break;
1184 case 2:
1185 data->fan_div[nr] = (reg & 0x40) ? 3 : 1;
1186 break;
1187 }
1188 data->fan[nr][index] =
1189 FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
1190 it87_write_value(data, IT87_REG_FAN_MIN[nr],
1191 data->fan[nr][index]);
Jean Delvare07eab462005-11-23 15:44:31 -08001192 }
1193
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001194 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001195 return count;
1196}
Guenter Roecke1169ba2012-12-19 22:17:01 +01001197
Jean Delvare20ad93d2005-06-05 11:53:25 +02001198static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
Guenter Roeckc9620242015-04-04 09:05:57 -07001199 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001200{
Jean Delvare20ad93d2005-06-05 11:53:25 +02001201 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
corentin.labbeb74f3fd2007-06-13 20:27:36 +02001202 struct it87_data *data = dev_get_drvdata(dev);
Guenter Roeckc9620242015-04-04 09:05:57 -07001203 int nr = sensor_attr->index;
Jean Delvaref5f64502010-03-05 22:17:19 +01001204 unsigned long val;
Jean Delvare8ab4ec32006-08-28 14:35:46 +02001205 int min;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001206 u8 old;
1207
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001208 if (kstrtoul(buf, 10, &val) < 0)
Jean Delvaref5f64502010-03-05 22:17:19 +01001209 return -EINVAL;
1210
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001211 mutex_lock(&data->update_lock);
corentin.labbeb74f3fd2007-06-13 20:27:36 +02001212 old = it87_read_value(data, IT87_REG_FAN_DIV);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001213
Jean Delvare8ab4ec32006-08-28 14:35:46 +02001214 /* Save fan min limit */
Guenter Roecke1169ba2012-12-19 22:17:01 +01001215 min = FAN_FROM_REG(data->fan[nr][1], DIV_FROM_REG(data->fan_div[nr]));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001216
1217 switch (nr) {
1218 case 0:
1219 case 1:
1220 data->fan_div[nr] = DIV_TO_REG(val);
1221 break;
1222 case 2:
1223 if (val < 8)
1224 data->fan_div[nr] = 1;
1225 else
1226 data->fan_div[nr] = 3;
1227 }
1228 val = old & 0x80;
1229 val |= (data->fan_div[0] & 0x07);
1230 val |= (data->fan_div[1] & 0x07) << 3;
1231 if (data->fan_div[2] == 3)
1232 val |= 0x1 << 6;
corentin.labbeb74f3fd2007-06-13 20:27:36 +02001233 it87_write_value(data, IT87_REG_FAN_DIV, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001234
Jean Delvare8ab4ec32006-08-28 14:35:46 +02001235 /* Restore fan min limit */
Guenter Roecke1169ba2012-12-19 22:17:01 +01001236 data->fan[nr][1] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
1237 it87_write_value(data, IT87_REG_FAN_MIN[nr], data->fan[nr][1]);
Jean Delvare8ab4ec32006-08-28 14:35:46 +02001238
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001239 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001240 return count;
1241}
Jean Delvarecccfc9c2010-03-05 22:17:21 +01001242
1243/* Returns 0 if OK, -EINVAL otherwise */
1244static int check_trip_points(struct device *dev, int nr)
1245{
1246 const struct it87_data *data = dev_get_drvdata(dev);
1247 int i, err = 0;
1248
1249 if (has_old_autopwm(data)) {
1250 for (i = 0; i < 3; i++) {
1251 if (data->auto_temp[nr][i] > data->auto_temp[nr][i + 1])
1252 err = -EINVAL;
1253 }
1254 for (i = 0; i < 2; i++) {
1255 if (data->auto_pwm[nr][i] > data->auto_pwm[nr][i + 1])
1256 err = -EINVAL;
1257 }
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07001258 } else if (has_newer_autopwm(data)) {
1259 for (i = 1; i < 3; i++) {
1260 if (data->auto_temp[nr][i] > data->auto_temp[nr][i + 1])
1261 err = -EINVAL;
1262 }
Jean Delvarecccfc9c2010-03-05 22:17:21 +01001263 }
1264
1265 if (err) {
Guenter Roeck1d9bcf62012-12-19 22:17:01 +01001266 dev_err(dev,
1267 "Inconsistent trip points, not switching to automatic mode\n");
Jean Delvarecccfc9c2010-03-05 22:17:21 +01001268 dev_err(dev, "Adjust the trip points and try again\n");
1269 }
1270 return err;
1271}
1272
Guenter Roeckc9620242015-04-04 09:05:57 -07001273static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
1274 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001275{
Jean Delvare20ad93d2005-06-05 11:53:25 +02001276 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
corentin.labbeb74f3fd2007-06-13 20:27:36 +02001277 struct it87_data *data = dev_get_drvdata(dev);
Guenter Roeckc9620242015-04-04 09:05:57 -07001278 int nr = sensor_attr->index;
Jean Delvaref5f64502010-03-05 22:17:19 +01001279 long val;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001280
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001281 if (kstrtol(buf, 10, &val) < 0 || val < 0 || val > 2)
Jean Delvareb99883d2010-03-05 22:17:15 +01001282 return -EINVAL;
1283
Jean Delvarecccfc9c2010-03-05 22:17:21 +01001284 /* Check trip points before switching to automatic mode */
1285 if (val == 2) {
1286 if (check_trip_points(dev, nr) < 0)
1287 return -EINVAL;
1288 }
1289
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001290 mutex_lock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001291
1292 if (val == 0) {
Guenter Roeckf1bbe612015-04-05 13:16:54 -07001293 if (nr < 3 && data->type != it8603) {
1294 int tmp;
1295 /* make sure the fan is on when in on/off mode */
1296 tmp = it87_read_value(data, IT87_REG_FAN_CTL);
1297 it87_write_value(data, IT87_REG_FAN_CTL, tmp | BIT(nr));
1298 /* set on/off mode */
1299 data->fan_main_ctrl &= ~BIT(nr);
1300 it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
1301 data->fan_main_ctrl);
1302 } else {
1303 /* No on/off mode, set maximum pwm value */
1304 data->pwm_duty[nr] = pwm_to_reg(data, 0xff);
1305 it87_write_value(data, IT87_REG_PWM_DUTY[nr],
1306 data->pwm_duty[nr]);
1307 /* and set manual mode */
1308 data->pwm_ctrl[nr] = has_newer_autopwm(data) ?
1309 data->pwm_temp_map[nr] :
1310 data->pwm_duty[nr];
1311 it87_write_value(data, IT87_REG_PWM[nr],
1312 data->pwm_ctrl[nr]);
1313 }
Jean Delvareb99883d2010-03-05 22:17:15 +01001314 } else {
1315 if (val == 1) /* Manual mode */
Jean Delvare16b5dda2012-01-16 22:51:48 +01001316 data->pwm_ctrl[nr] = has_newer_autopwm(data) ?
Jean Delvare6229cdb2010-12-08 16:27:22 +01001317 data->pwm_temp_map[nr] :
1318 data->pwm_duty[nr];
Jean Delvareb99883d2010-03-05 22:17:15 +01001319 else /* Automatic mode */
1320 data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr];
Guenter Roeck36c4d982015-03-26 18:18:19 -07001321 it87_write_value(data, IT87_REG_PWM[nr], data->pwm_ctrl[nr]);
Rudolf Marekc145d5c2014-01-29 20:40:08 +01001322
Guenter Roeckf1bbe612015-04-05 13:16:54 -07001323 if (data->type != it8603 && nr < 3) {
Rudolf Marekc145d5c2014-01-29 20:40:08 +01001324 /* set SmartGuardian mode */
Guenter Roeck48b2ae72015-04-02 08:06:12 -07001325 data->fan_main_ctrl |= BIT(nr);
Rudolf Marekc145d5c2014-01-29 20:40:08 +01001326 it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
1327 data->fan_main_ctrl);
1328 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001329 }
1330
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001331 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001332 return count;
1333}
Guenter Roeckc9620242015-04-04 09:05:57 -07001334
Jean Delvare20ad93d2005-06-05 11:53:25 +02001335static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
Guenter Roeckc9620242015-04-04 09:05:57 -07001336 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001337{
Jean Delvare20ad93d2005-06-05 11:53:25 +02001338 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
corentin.labbeb74f3fd2007-06-13 20:27:36 +02001339 struct it87_data *data = dev_get_drvdata(dev);
Guenter Roeckc9620242015-04-04 09:05:57 -07001340 int nr = sensor_attr->index;
Jean Delvaref5f64502010-03-05 22:17:19 +01001341 long val;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001342
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001343 if (kstrtol(buf, 10, &val) < 0 || val < 0 || val > 255)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001344 return -EINVAL;
1345
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001346 mutex_lock(&data->update_lock);
Jean Delvare16b5dda2012-01-16 22:51:48 +01001347 if (has_newer_autopwm(data)) {
Guenter Roeck4a0d71c2012-01-19 11:02:18 -08001348 /*
1349 * If we are in automatic mode, the PWM duty cycle register
1350 * is read-only so we can't write the value.
1351 */
Jean Delvare6229cdb2010-12-08 16:27:22 +01001352 if (data->pwm_ctrl[nr] & 0x80) {
1353 mutex_unlock(&data->update_lock);
1354 return -EBUSY;
1355 }
1356 data->pwm_duty[nr] = pwm_to_reg(data, val);
Guenter Roeck36c4d982015-03-26 18:18:19 -07001357 it87_write_value(data, IT87_REG_PWM_DUTY[nr],
Jean Delvare6229cdb2010-12-08 16:27:22 +01001358 data->pwm_duty[nr]);
1359 } else {
1360 data->pwm_duty[nr] = pwm_to_reg(data, val);
Guenter Roeck4a0d71c2012-01-19 11:02:18 -08001361 /*
1362 * If we are in manual mode, write the duty cycle immediately;
1363 * otherwise, just store it for later use.
1364 */
Jean Delvare6229cdb2010-12-08 16:27:22 +01001365 if (!(data->pwm_ctrl[nr] & 0x80)) {
1366 data->pwm_ctrl[nr] = data->pwm_duty[nr];
Guenter Roeck36c4d982015-03-26 18:18:19 -07001367 it87_write_value(data, IT87_REG_PWM[nr],
Jean Delvare6229cdb2010-12-08 16:27:22 +01001368 data->pwm_ctrl[nr]);
1369 }
Jean Delvareb99883d2010-03-05 22:17:15 +01001370 }
Ingo Molnar9a61bf62006-01-18 23:19:26 +01001371 mutex_unlock(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001372 return count;
1373}
Guenter Roeckc9620242015-04-04 09:05:57 -07001374
1375static ssize_t set_pwm_freq(struct device *dev, struct device_attribute *attr,
1376 const char *buf, size_t count)
Jean Delvaref8d0c192007-02-14 21:15:02 +01001377{
Guenter Roeck60878bc2015-03-26 19:57:42 -07001378 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
corentin.labbeb74f3fd2007-06-13 20:27:36 +02001379 struct it87_data *data = dev_get_drvdata(dev);
Guenter Roeck60878bc2015-03-26 19:57:42 -07001380 int nr = sensor_attr->index;
Jean Delvaref5f64502010-03-05 22:17:19 +01001381 unsigned long val;
Jean Delvaref8d0c192007-02-14 21:15:02 +01001382 int i;
1383
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001384 if (kstrtoul(buf, 10, &val) < 0)
Jean Delvaref5f64502010-03-05 22:17:19 +01001385 return -EINVAL;
1386
Guenter Roeckf56c9c02015-03-26 20:01:24 -07001387 val = clamp_val(val, 0, 1000000);
1388 val *= has_newer_autopwm(data) ? 256 : 128;
1389
Jean Delvaref8d0c192007-02-14 21:15:02 +01001390 /* Search for the nearest available frequency */
1391 for (i = 0; i < 7; i++) {
Guenter Roeckc9620242015-04-04 09:05:57 -07001392 if (val > (pwm_freq[i] + pwm_freq[i + 1]) / 2)
Jean Delvaref8d0c192007-02-14 21:15:02 +01001393 break;
1394 }
1395
1396 mutex_lock(&data->update_lock);
Guenter Roeck60878bc2015-03-26 19:57:42 -07001397 if (nr == 0) {
1398 data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL) & 0x8f;
1399 data->fan_ctl |= i << 4;
1400 it87_write_value(data, IT87_REG_FAN_CTL, data->fan_ctl);
1401 } else {
1402 data->extra = it87_read_value(data, IT87_REG_TEMP_EXTRA) & 0x8f;
1403 data->extra |= i << 4;
1404 it87_write_value(data, IT87_REG_TEMP_EXTRA, data->extra);
1405 }
Jean Delvaref8d0c192007-02-14 21:15:02 +01001406 mutex_unlock(&data->update_lock);
1407
1408 return count;
1409}
Guenter Roeckc9620242015-04-04 09:05:57 -07001410
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001411static ssize_t show_pwm_temp_map(struct device *dev,
Guenter Roeckc9620242015-04-04 09:05:57 -07001412 struct device_attribute *attr, char *buf)
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001413{
1414 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001415 struct it87_data *data = it87_update_device(dev);
Guenter Roeckc9620242015-04-04 09:05:57 -07001416 int nr = sensor_attr->index;
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001417 int map;
1418
Guenter Roeck0624d862015-04-06 21:04:18 -07001419 map = data->pwm_temp_map[nr];
1420 if (map >= 3)
1421 map = 0; /* Should never happen */
1422 if (nr >= 3) /* pwm channels 3..6 map to temp4..6 */
1423 map += 3;
1424
1425 return sprintf(buf, "%d\n", (int)BIT(map));
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001426}
Guenter Roeckc9620242015-04-04 09:05:57 -07001427
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001428static ssize_t set_pwm_temp_map(struct device *dev,
Guenter Roeckc9620242015-04-04 09:05:57 -07001429 struct device_attribute *attr, const char *buf,
1430 size_t count)
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001431{
1432 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001433 struct it87_data *data = dev_get_drvdata(dev);
Guenter Roeckc9620242015-04-04 09:05:57 -07001434 int nr = sensor_attr->index;
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001435 long val;
1436 u8 reg;
1437
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001438 if (kstrtol(buf, 10, &val) < 0)
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001439 return -EINVAL;
1440
Guenter Roeck0624d862015-04-06 21:04:18 -07001441 if (nr >= 3)
1442 val -= 3;
1443
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001444 switch (val) {
Guenter Roeck48b2ae72015-04-02 08:06:12 -07001445 case BIT(0):
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001446 reg = 0x00;
1447 break;
Guenter Roeck48b2ae72015-04-02 08:06:12 -07001448 case BIT(1):
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001449 reg = 0x01;
1450 break;
Guenter Roeck48b2ae72015-04-02 08:06:12 -07001451 case BIT(2):
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001452 reg = 0x02;
1453 break;
1454 default:
1455 return -EINVAL;
1456 }
1457
1458 mutex_lock(&data->update_lock);
1459 data->pwm_temp_map[nr] = reg;
Guenter Roeck4a0d71c2012-01-19 11:02:18 -08001460 /*
1461 * If we are in automatic mode, write the temp mapping immediately;
1462 * otherwise, just store it for later use.
1463 */
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001464 if (data->pwm_ctrl[nr] & 0x80) {
1465 data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr];
Guenter Roeck36c4d982015-03-26 18:18:19 -07001466 it87_write_value(data, IT87_REG_PWM[nr], data->pwm_ctrl[nr]);
Jean Delvare94ac7ee2010-03-05 22:17:16 +01001467 }
1468 mutex_unlock(&data->update_lock);
1469 return count;
1470}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001471
Guenter Roeckc9620242015-04-04 09:05:57 -07001472static ssize_t show_auto_pwm(struct device *dev, struct device_attribute *attr,
1473 char *buf)
Jean Delvare4f3f51b2010-03-05 22:17:21 +01001474{
1475 struct it87_data *data = it87_update_device(dev);
1476 struct sensor_device_attribute_2 *sensor_attr =
1477 to_sensor_dev_attr_2(attr);
1478 int nr = sensor_attr->nr;
1479 int point = sensor_attr->index;
1480
Jean Delvare44c1bcd2010-10-28 20:31:51 +02001481 return sprintf(buf, "%d\n",
1482 pwm_from_reg(data, data->auto_pwm[nr][point]));
Jean Delvare4f3f51b2010-03-05 22:17:21 +01001483}
1484
Guenter Roeckc9620242015-04-04 09:05:57 -07001485static ssize_t set_auto_pwm(struct device *dev, struct device_attribute *attr,
1486 const char *buf, size_t count)
Jean Delvare4f3f51b2010-03-05 22:17:21 +01001487{
1488 struct it87_data *data = dev_get_drvdata(dev);
1489 struct sensor_device_attribute_2 *sensor_attr =
1490 to_sensor_dev_attr_2(attr);
1491 int nr = sensor_attr->nr;
1492 int point = sensor_attr->index;
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07001493 int regaddr;
Jean Delvare4f3f51b2010-03-05 22:17:21 +01001494 long val;
1495
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001496 if (kstrtol(buf, 10, &val) < 0 || val < 0 || val > 255)
Jean Delvare4f3f51b2010-03-05 22:17:21 +01001497 return -EINVAL;
1498
1499 mutex_lock(&data->update_lock);
Jean Delvare44c1bcd2010-10-28 20:31:51 +02001500 data->auto_pwm[nr][point] = pwm_to_reg(data, val);
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07001501 if (has_newer_autopwm(data))
1502 regaddr = IT87_REG_AUTO_TEMP(nr, 3);
1503 else
1504 regaddr = IT87_REG_AUTO_PWM(nr, point);
1505 it87_write_value(data, regaddr, data->auto_pwm[nr][point]);
1506 mutex_unlock(&data->update_lock);
1507 return count;
1508}
1509
1510static ssize_t show_auto_pwm_slope(struct device *dev,
1511 struct device_attribute *attr, char *buf)
1512{
1513 struct it87_data *data = it87_update_device(dev);
1514 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1515 int nr = sensor_attr->index;
1516
1517 return sprintf(buf, "%d\n", data->auto_pwm[nr][1] & 0x7f);
1518}
1519
1520static ssize_t set_auto_pwm_slope(struct device *dev,
1521 struct device_attribute *attr,
1522 const char *buf, size_t count)
1523{
1524 struct it87_data *data = dev_get_drvdata(dev);
1525 struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
1526 int nr = sensor_attr->index;
1527 unsigned long val;
1528
1529 if (kstrtoul(buf, 10, &val) < 0 || val > 127)
1530 return -EINVAL;
1531
1532 mutex_lock(&data->update_lock);
1533 data->auto_pwm[nr][1] = (data->auto_pwm[nr][1] & 0x80) | val;
1534 it87_write_value(data, IT87_REG_AUTO_TEMP(nr, 4),
1535 data->auto_pwm[nr][1]);
Jean Delvare4f3f51b2010-03-05 22:17:21 +01001536 mutex_unlock(&data->update_lock);
1537 return count;
1538}
1539
Guenter Roeckc9620242015-04-04 09:05:57 -07001540static ssize_t show_auto_temp(struct device *dev, struct device_attribute *attr,
1541 char *buf)
Jean Delvare4f3f51b2010-03-05 22:17:21 +01001542{
1543 struct it87_data *data = it87_update_device(dev);
1544 struct sensor_device_attribute_2 *sensor_attr =
1545 to_sensor_dev_attr_2(attr);
1546 int nr = sensor_attr->nr;
1547 int point = sensor_attr->index;
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07001548 int reg;
Jean Delvare4f3f51b2010-03-05 22:17:21 +01001549
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07001550 if (has_old_autopwm(data) || point)
1551 reg = data->auto_temp[nr][point];
1552 else
1553 reg = data->auto_temp[nr][1] - (data->auto_temp[nr][0] & 0x1f);
1554
1555 return sprintf(buf, "%d\n", TEMP_FROM_REG(reg));
Jean Delvare4f3f51b2010-03-05 22:17:21 +01001556}
1557
Guenter Roeckc9620242015-04-04 09:05:57 -07001558static ssize_t set_auto_temp(struct device *dev, struct device_attribute *attr,
1559 const char *buf, size_t count)
Jean Delvare4f3f51b2010-03-05 22:17:21 +01001560{
1561 struct it87_data *data = dev_get_drvdata(dev);
1562 struct sensor_device_attribute_2 *sensor_attr =
1563 to_sensor_dev_attr_2(attr);
1564 int nr = sensor_attr->nr;
1565 int point = sensor_attr->index;
1566 long val;
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07001567 int reg;
Jean Delvare4f3f51b2010-03-05 22:17:21 +01001568
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001569 if (kstrtol(buf, 10, &val) < 0 || val < -128000 || val > 127000)
Jean Delvare4f3f51b2010-03-05 22:17:21 +01001570 return -EINVAL;
1571
1572 mutex_lock(&data->update_lock);
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07001573 if (has_newer_autopwm(data) && !point) {
1574 reg = data->auto_temp[nr][1] - TEMP_TO_REG(val);
1575 reg = clamp_val(reg, 0, 0x1f) | (data->auto_temp[nr][0] & 0xe0);
1576 data->auto_temp[nr][0] = reg;
1577 it87_write_value(data, IT87_REG_AUTO_TEMP(nr, 5), reg);
1578 } else {
1579 reg = TEMP_TO_REG(val);
1580 data->auto_temp[nr][point] = reg;
1581 if (has_newer_autopwm(data))
1582 point--;
1583 it87_write_value(data, IT87_REG_AUTO_TEMP(nr, point), reg);
1584 }
Jean Delvare4f3f51b2010-03-05 22:17:21 +01001585 mutex_unlock(&data->update_lock);
1586 return count;
1587}
1588
Guenter Roecke1169ba2012-12-19 22:17:01 +01001589static SENSOR_DEVICE_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0);
1590static SENSOR_DEVICE_ATTR_2(fan1_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
1591 0, 1);
1592static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR, show_fan_div,
1593 set_fan_div, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001594
Guenter Roecke1169ba2012-12-19 22:17:01 +01001595static SENSOR_DEVICE_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 1, 0);
1596static SENSOR_DEVICE_ATTR_2(fan2_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
1597 1, 1);
1598static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR, show_fan_div,
1599 set_fan_div, 1);
1600
1601static SENSOR_DEVICE_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 2, 0);
1602static SENSOR_DEVICE_ATTR_2(fan3_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
1603 2, 1);
1604static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO | S_IWUSR, show_fan_div,
1605 set_fan_div, 2);
1606
1607static SENSOR_DEVICE_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 3, 0);
1608static SENSOR_DEVICE_ATTR_2(fan4_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
1609 3, 1);
1610
1611static SENSOR_DEVICE_ATTR_2(fan5_input, S_IRUGO, show_fan, NULL, 4, 0);
1612static SENSOR_DEVICE_ATTR_2(fan5_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
1613 4, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001614
Guenter Roeckfa3f70d2015-03-25 23:15:32 -07001615static SENSOR_DEVICE_ATTR_2(fan6_input, S_IRUGO, show_fan, NULL, 5, 0);
1616static SENSOR_DEVICE_ATTR_2(fan6_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
1617 5, 1);
1618
Guenter Roeckc4458db2012-12-19 22:17:02 +01001619static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
1620 show_pwm_enable, set_pwm_enable, 0);
1621static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 0);
Guenter Roeck60878bc2015-03-26 19:57:42 -07001622static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO | S_IWUSR, show_pwm_freq,
1623 set_pwm_freq, 0);
Guenter Roeck5c391262013-03-30 15:02:12 -07001624static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IRUGO,
Guenter Roeckc4458db2012-12-19 22:17:02 +01001625 show_pwm_temp_map, set_pwm_temp_map, 0);
1626static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO | S_IWUSR,
1627 show_auto_pwm, set_auto_pwm, 0, 0);
1628static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO | S_IWUSR,
1629 show_auto_pwm, set_auto_pwm, 0, 1);
1630static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO | S_IWUSR,
1631 show_auto_pwm, set_auto_pwm, 0, 2);
1632static SENSOR_DEVICE_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO,
1633 show_auto_pwm, NULL, 0, 3);
1634static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp, S_IRUGO | S_IWUSR,
1635 show_auto_temp, set_auto_temp, 0, 1);
1636static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
1637 show_auto_temp, set_auto_temp, 0, 0);
1638static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_temp, S_IRUGO | S_IWUSR,
1639 show_auto_temp, set_auto_temp, 0, 2);
1640static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_temp, S_IRUGO | S_IWUSR,
1641 show_auto_temp, set_auto_temp, 0, 3);
1642static SENSOR_DEVICE_ATTR_2(pwm1_auto_point4_temp, S_IRUGO | S_IWUSR,
1643 show_auto_temp, set_auto_temp, 0, 4);
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07001644static SENSOR_DEVICE_ATTR_2(pwm1_auto_start, S_IRUGO | S_IWUSR,
1645 show_auto_pwm, set_auto_pwm, 0, 0);
1646static SENSOR_DEVICE_ATTR(pwm1_auto_slope, S_IRUGO | S_IWUSR,
1647 show_auto_pwm_slope, set_auto_pwm_slope, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001648
Guenter Roeckc4458db2012-12-19 22:17:02 +01001649static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR,
1650 show_pwm_enable, set_pwm_enable, 1);
1651static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 1);
Guenter Roeck60878bc2015-03-26 19:57:42 -07001652static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO, show_pwm_freq, set_pwm_freq, 1);
Guenter Roeck5c391262013-03-30 15:02:12 -07001653static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, S_IRUGO,
Guenter Roeckc4458db2012-12-19 22:17:02 +01001654 show_pwm_temp_map, set_pwm_temp_map, 1);
1655static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO | S_IWUSR,
1656 show_auto_pwm, set_auto_pwm, 1, 0);
1657static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO | S_IWUSR,
1658 show_auto_pwm, set_auto_pwm, 1, 1);
1659static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO | S_IWUSR,
1660 show_auto_pwm, set_auto_pwm, 1, 2);
1661static SENSOR_DEVICE_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO,
1662 show_auto_pwm, NULL, 1, 3);
1663static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp, S_IRUGO | S_IWUSR,
1664 show_auto_temp, set_auto_temp, 1, 1);
1665static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
1666 show_auto_temp, set_auto_temp, 1, 0);
1667static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_temp, S_IRUGO | S_IWUSR,
1668 show_auto_temp, set_auto_temp, 1, 2);
1669static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_temp, S_IRUGO | S_IWUSR,
1670 show_auto_temp, set_auto_temp, 1, 3);
1671static SENSOR_DEVICE_ATTR_2(pwm2_auto_point4_temp, S_IRUGO | S_IWUSR,
1672 show_auto_temp, set_auto_temp, 1, 4);
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07001673static SENSOR_DEVICE_ATTR_2(pwm2_auto_start, S_IRUGO | S_IWUSR,
1674 show_auto_pwm, set_auto_pwm, 1, 0);
1675static SENSOR_DEVICE_ATTR(pwm2_auto_slope, S_IRUGO | S_IWUSR,
1676 show_auto_pwm_slope, set_auto_pwm_slope, 1);
Guenter Roeckc4458db2012-12-19 22:17:02 +01001677
1678static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR,
1679 show_pwm_enable, set_pwm_enable, 2);
1680static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 2);
Guenter Roeck60878bc2015-03-26 19:57:42 -07001681static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO, show_pwm_freq, NULL, 2);
Guenter Roeck5c391262013-03-30 15:02:12 -07001682static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IRUGO,
Guenter Roeckc4458db2012-12-19 22:17:02 +01001683 show_pwm_temp_map, set_pwm_temp_map, 2);
1684static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO | S_IWUSR,
1685 show_auto_pwm, set_auto_pwm, 2, 0);
1686static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO | S_IWUSR,
1687 show_auto_pwm, set_auto_pwm, 2, 1);
1688static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO | S_IWUSR,
1689 show_auto_pwm, set_auto_pwm, 2, 2);
1690static SENSOR_DEVICE_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO,
1691 show_auto_pwm, NULL, 2, 3);
1692static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp, S_IRUGO | S_IWUSR,
1693 show_auto_temp, set_auto_temp, 2, 1);
1694static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
1695 show_auto_temp, set_auto_temp, 2, 0);
1696static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_temp, S_IRUGO | S_IWUSR,
1697 show_auto_temp, set_auto_temp, 2, 2);
1698static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_temp, S_IRUGO | S_IWUSR,
1699 show_auto_temp, set_auto_temp, 2, 3);
1700static SENSOR_DEVICE_ATTR_2(pwm3_auto_point4_temp, S_IRUGO | S_IWUSR,
1701 show_auto_temp, set_auto_temp, 2, 4);
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07001702static SENSOR_DEVICE_ATTR_2(pwm3_auto_start, S_IRUGO | S_IWUSR,
1703 show_auto_pwm, set_auto_pwm, 2, 0);
1704static SENSOR_DEVICE_ATTR(pwm3_auto_slope, S_IRUGO | S_IWUSR,
1705 show_auto_pwm_slope, set_auto_pwm_slope, 2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001706
Guenter Roeck36c4d982015-03-26 18:18:19 -07001707static SENSOR_DEVICE_ATTR(pwm4_enable, S_IRUGO | S_IWUSR,
1708 show_pwm_enable, set_pwm_enable, 3);
1709static SENSOR_DEVICE_ATTR(pwm4, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 3);
Guenter Roeck60878bc2015-03-26 19:57:42 -07001710static SENSOR_DEVICE_ATTR(pwm4_freq, S_IRUGO, show_pwm_freq, NULL, 3);
Guenter Roeck5c391262013-03-30 15:02:12 -07001711static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, S_IRUGO,
Guenter Roeck36c4d982015-03-26 18:18:19 -07001712 show_pwm_temp_map, set_pwm_temp_map, 3);
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07001713static SENSOR_DEVICE_ATTR_2(pwm4_auto_point1_temp, S_IRUGO | S_IWUSR,
1714 show_auto_temp, set_auto_temp, 2, 1);
1715static SENSOR_DEVICE_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
1716 show_auto_temp, set_auto_temp, 2, 0);
1717static SENSOR_DEVICE_ATTR_2(pwm4_auto_point2_temp, S_IRUGO | S_IWUSR,
1718 show_auto_temp, set_auto_temp, 2, 2);
1719static SENSOR_DEVICE_ATTR_2(pwm4_auto_point3_temp, S_IRUGO | S_IWUSR,
1720 show_auto_temp, set_auto_temp, 2, 3);
1721static SENSOR_DEVICE_ATTR_2(pwm4_auto_start, S_IRUGO | S_IWUSR,
1722 show_auto_pwm, set_auto_pwm, 3, 0);
1723static SENSOR_DEVICE_ATTR(pwm4_auto_slope, S_IRUGO | S_IWUSR,
1724 show_auto_pwm_slope, set_auto_pwm_slope, 3);
Guenter Roeck36c4d982015-03-26 18:18:19 -07001725
1726static SENSOR_DEVICE_ATTR(pwm5_enable, S_IRUGO | S_IWUSR,
1727 show_pwm_enable, set_pwm_enable, 4);
1728static SENSOR_DEVICE_ATTR(pwm5, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 4);
Guenter Roeck60878bc2015-03-26 19:57:42 -07001729static SENSOR_DEVICE_ATTR(pwm5_freq, S_IRUGO, show_pwm_freq, NULL, 4);
Guenter Roeck5c391262013-03-30 15:02:12 -07001730static SENSOR_DEVICE_ATTR(pwm5_auto_channels_temp, S_IRUGO,
Guenter Roeck36c4d982015-03-26 18:18:19 -07001731 show_pwm_temp_map, set_pwm_temp_map, 4);
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07001732static SENSOR_DEVICE_ATTR_2(pwm5_auto_point1_temp, S_IRUGO | S_IWUSR,
1733 show_auto_temp, set_auto_temp, 2, 1);
1734static SENSOR_DEVICE_ATTR_2(pwm5_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
1735 show_auto_temp, set_auto_temp, 2, 0);
1736static SENSOR_DEVICE_ATTR_2(pwm5_auto_point2_temp, S_IRUGO | S_IWUSR,
1737 show_auto_temp, set_auto_temp, 2, 2);
1738static SENSOR_DEVICE_ATTR_2(pwm5_auto_point3_temp, S_IRUGO | S_IWUSR,
1739 show_auto_temp, set_auto_temp, 2, 3);
1740static SENSOR_DEVICE_ATTR_2(pwm5_auto_start, S_IRUGO | S_IWUSR,
1741 show_auto_pwm, set_auto_pwm, 4, 0);
1742static SENSOR_DEVICE_ATTR(pwm5_auto_slope, S_IRUGO | S_IWUSR,
1743 show_auto_pwm_slope, set_auto_pwm_slope, 4);
Guenter Roeck36c4d982015-03-26 18:18:19 -07001744
1745static SENSOR_DEVICE_ATTR(pwm6_enable, S_IRUGO | S_IWUSR,
1746 show_pwm_enable, set_pwm_enable, 5);
1747static SENSOR_DEVICE_ATTR(pwm6, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 5);
Guenter Roeck60878bc2015-03-26 19:57:42 -07001748static SENSOR_DEVICE_ATTR(pwm6_freq, S_IRUGO, show_pwm_freq, NULL, 5);
Guenter Roeck5c391262013-03-30 15:02:12 -07001749static SENSOR_DEVICE_ATTR(pwm6_auto_channels_temp, S_IRUGO,
Guenter Roeck36c4d982015-03-26 18:18:19 -07001750 show_pwm_temp_map, set_pwm_temp_map, 5);
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07001751static SENSOR_DEVICE_ATTR_2(pwm6_auto_point1_temp, S_IRUGO | S_IWUSR,
1752 show_auto_temp, set_auto_temp, 2, 1);
1753static SENSOR_DEVICE_ATTR_2(pwm6_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
1754 show_auto_temp, set_auto_temp, 2, 0);
1755static SENSOR_DEVICE_ATTR_2(pwm6_auto_point2_temp, S_IRUGO | S_IWUSR,
1756 show_auto_temp, set_auto_temp, 2, 2);
1757static SENSOR_DEVICE_ATTR_2(pwm6_auto_point3_temp, S_IRUGO | S_IWUSR,
1758 show_auto_temp, set_auto_temp, 2, 3);
1759static SENSOR_DEVICE_ATTR_2(pwm6_auto_start, S_IRUGO | S_IWUSR,
1760 show_auto_pwm, set_auto_pwm, 5, 0);
1761static SENSOR_DEVICE_ATTR(pwm6_auto_slope, S_IRUGO | S_IWUSR,
1762 show_auto_pwm_slope, set_auto_pwm_slope, 5);
Guenter Roeck36c4d982015-03-26 18:18:19 -07001763
Linus Torvalds1da177e2005-04-16 15:20:36 -07001764/* Alarms */
Jean Delvare5f2dc792010-03-05 22:17:18 +01001765static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
Guenter Roeckc9620242015-04-04 09:05:57 -07001766 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001767{
1768 struct it87_data *data = it87_update_device(dev);
Guenter Roeckc9620242015-04-04 09:05:57 -07001769
Jean Delvare68188ba2005-05-16 18:52:38 +02001770 return sprintf(buf, "%u\n", data->alarms);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001771}
Jean Delvare1d66c642005-04-18 21:16:59 -07001772static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001773
Jean Delvare0124dd72007-11-25 16:16:41 +01001774static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
Guenter Roeckc9620242015-04-04 09:05:57 -07001775 char *buf)
Jean Delvare0124dd72007-11-25 16:16:41 +01001776{
Jean Delvare0124dd72007-11-25 16:16:41 +01001777 struct it87_data *data = it87_update_device(dev);
Guenter Roeckc9620242015-04-04 09:05:57 -07001778 int bitnr = to_sensor_dev_attr(attr)->index;
1779
Jean Delvare0124dd72007-11-25 16:16:41 +01001780 return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
1781}
Jean Delvare3d30f9e2011-07-25 21:46:10 +02001782
Guenter Roeckc9620242015-04-04 09:05:57 -07001783static ssize_t clear_intrusion(struct device *dev,
1784 struct device_attribute *attr, const char *buf,
1785 size_t count)
Jean Delvare3d30f9e2011-07-25 21:46:10 +02001786{
1787 struct it87_data *data = dev_get_drvdata(dev);
Jean Delvare3d30f9e2011-07-25 21:46:10 +02001788 int config;
Guenter Roeckc9620242015-04-04 09:05:57 -07001789 long val;
Jean Delvare3d30f9e2011-07-25 21:46:10 +02001790
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001791 if (kstrtol(buf, 10, &val) < 0 || val != 0)
Jean Delvare3d30f9e2011-07-25 21:46:10 +02001792 return -EINVAL;
1793
1794 mutex_lock(&data->update_lock);
1795 config = it87_read_value(data, IT87_REG_CONFIG);
1796 if (config < 0) {
1797 count = config;
1798 } else {
Guenter Roeck48b2ae72015-04-02 08:06:12 -07001799 config |= BIT(5);
Jean Delvare3d30f9e2011-07-25 21:46:10 +02001800 it87_write_value(data, IT87_REG_CONFIG, config);
1801 /* Invalidate cache to force re-read */
1802 data->valid = 0;
1803 }
1804 mutex_unlock(&data->update_lock);
1805
1806 return count;
1807}
1808
Jean Delvare0124dd72007-11-25 16:16:41 +01001809static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 8);
1810static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 9);
1811static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 10);
1812static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 11);
1813static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 12);
1814static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 13);
1815static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 14);
1816static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 15);
1817static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 0);
1818static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 1);
1819static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 2);
1820static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 3);
1821static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 6);
Guenter Roeckfa3f70d2015-03-25 23:15:32 -07001822static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 7);
Jean Delvare0124dd72007-11-25 16:16:41 +01001823static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 16);
1824static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 17);
1825static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 18);
Jean Delvare3d30f9e2011-07-25 21:46:10 +02001826static SENSOR_DEVICE_ATTR(intrusion0_alarm, S_IRUGO | S_IWUSR,
1827 show_alarm, clear_intrusion, 4);
Jean Delvare0124dd72007-11-25 16:16:41 +01001828
Jean Delvared9b327c2010-03-05 22:17:17 +01001829static ssize_t show_beep(struct device *dev, struct device_attribute *attr,
Guenter Roeckc9620242015-04-04 09:05:57 -07001830 char *buf)
Jean Delvared9b327c2010-03-05 22:17:17 +01001831{
Jean Delvared9b327c2010-03-05 22:17:17 +01001832 struct it87_data *data = it87_update_device(dev);
Guenter Roeckc9620242015-04-04 09:05:57 -07001833 int bitnr = to_sensor_dev_attr(attr)->index;
1834
Jean Delvared9b327c2010-03-05 22:17:17 +01001835 return sprintf(buf, "%u\n", (data->beeps >> bitnr) & 1);
1836}
Guenter Roeckc9620242015-04-04 09:05:57 -07001837
Jean Delvared9b327c2010-03-05 22:17:17 +01001838static ssize_t set_beep(struct device *dev, struct device_attribute *attr,
Guenter Roeckc9620242015-04-04 09:05:57 -07001839 const char *buf, size_t count)
Jean Delvared9b327c2010-03-05 22:17:17 +01001840{
1841 int bitnr = to_sensor_dev_attr(attr)->index;
1842 struct it87_data *data = dev_get_drvdata(dev);
1843 long val;
1844
Guenter Roeckc9620242015-04-04 09:05:57 -07001845 if (kstrtol(buf, 10, &val) < 0 || (val != 0 && val != 1))
Jean Delvared9b327c2010-03-05 22:17:17 +01001846 return -EINVAL;
1847
1848 mutex_lock(&data->update_lock);
1849 data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE);
1850 if (val)
Guenter Roeck48b2ae72015-04-02 08:06:12 -07001851 data->beeps |= BIT(bitnr);
Jean Delvared9b327c2010-03-05 22:17:17 +01001852 else
Guenter Roeck48b2ae72015-04-02 08:06:12 -07001853 data->beeps &= ~BIT(bitnr);
Jean Delvared9b327c2010-03-05 22:17:17 +01001854 it87_write_value(data, IT87_REG_BEEP_ENABLE, data->beeps);
1855 mutex_unlock(&data->update_lock);
1856 return count;
1857}
1858
1859static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
1860 show_beep, set_beep, 1);
1861static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO, show_beep, NULL, 1);
1862static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO, show_beep, NULL, 1);
1863static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO, show_beep, NULL, 1);
1864static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO, show_beep, NULL, 1);
1865static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO, show_beep, NULL, 1);
1866static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO, show_beep, NULL, 1);
1867static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO, show_beep, NULL, 1);
1868/* fanX_beep writability is set later */
1869static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO, show_beep, set_beep, 0);
1870static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO, show_beep, set_beep, 0);
1871static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO, show_beep, set_beep, 0);
1872static SENSOR_DEVICE_ATTR(fan4_beep, S_IRUGO, show_beep, set_beep, 0);
1873static SENSOR_DEVICE_ATTR(fan5_beep, S_IRUGO, show_beep, set_beep, 0);
Guenter Roeckfa3f70d2015-03-25 23:15:32 -07001874static SENSOR_DEVICE_ATTR(fan6_beep, S_IRUGO, show_beep, set_beep, 0);
Jean Delvared9b327c2010-03-05 22:17:17 +01001875static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
1876 show_beep, set_beep, 2);
1877static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO, show_beep, NULL, 2);
1878static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO, show_beep, NULL, 2);
1879
Jean Delvare5f2dc792010-03-05 22:17:18 +01001880static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr,
Guenter Roeckc9620242015-04-04 09:05:57 -07001881 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001882{
Jean Delvare90d66192007-10-08 18:24:35 +02001883 struct it87_data *data = dev_get_drvdata(dev);
Guenter Roeckc9620242015-04-04 09:05:57 -07001884
Jean Delvarea7be58a2005-12-18 16:40:14 +01001885 return sprintf(buf, "%u\n", data->vrm);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001886}
Guenter Roeckc9620242015-04-04 09:05:57 -07001887
Jean Delvare5f2dc792010-03-05 22:17:18 +01001888static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
Guenter Roeckc9620242015-04-04 09:05:57 -07001889 const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001890{
corentin.labbeb74f3fd2007-06-13 20:27:36 +02001891 struct it87_data *data = dev_get_drvdata(dev);
Jean Delvaref5f64502010-03-05 22:17:19 +01001892 unsigned long val;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001893
Frans Meulenbroeks179c4fd2012-01-04 20:58:52 +01001894 if (kstrtoul(buf, 10, &val) < 0)
Jean Delvaref5f64502010-03-05 22:17:19 +01001895 return -EINVAL;
1896
Linus Torvalds1da177e2005-04-16 15:20:36 -07001897 data->vrm = val;
1898
1899 return count;
1900}
1901static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001902
Jean Delvare5f2dc792010-03-05 22:17:18 +01001903static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr,
Guenter Roeckc9620242015-04-04 09:05:57 -07001904 char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001905{
1906 struct it87_data *data = it87_update_device(dev);
Guenter Roeckc9620242015-04-04 09:05:57 -07001907
1908 return sprintf(buf, "%ld\n", (long)vid_from_reg(data->vid, data->vrm));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001909}
1910static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
Jean Delvare87808be2006-09-24 21:17:13 +02001911
Jean Delvare738e5e02010-08-14 21:08:50 +02001912static ssize_t show_label(struct device *dev, struct device_attribute *attr,
Guenter Roeckc9620242015-04-04 09:05:57 -07001913 char *buf)
Jean Delvare738e5e02010-08-14 21:08:50 +02001914{
Guenter Roeck3c4c4972012-01-20 09:29:44 -08001915 static const char * const labels[] = {
Jean Delvare738e5e02010-08-14 21:08:50 +02001916 "+5V",
1917 "5VSB",
1918 "Vbat",
1919 };
Guenter Roeck3c4c4972012-01-20 09:29:44 -08001920 static const char * const labels_it8721[] = {
Jean Delvare44c1bcd2010-10-28 20:31:51 +02001921 "+3.3V",
1922 "3VSB",
1923 "Vbat",
1924 };
1925 struct it87_data *data = dev_get_drvdata(dev);
Jean Delvare738e5e02010-08-14 21:08:50 +02001926 int nr = to_sensor_dev_attr(attr)->index;
Justin Maggardead80802015-08-05 12:53:08 -07001927 const char *label;
Jean Delvare738e5e02010-08-14 21:08:50 +02001928
Justin Maggardead80802015-08-05 12:53:08 -07001929 if (has_12mv_adc(data) || has_10_9mv_adc(data))
1930 label = labels_it8721[nr];
1931 else
1932 label = labels[nr];
1933
1934 return sprintf(buf, "%s\n", label);
Jean Delvare738e5e02010-08-14 21:08:50 +02001935}
1936static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_label, NULL, 0);
1937static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_label, NULL, 1);
1938static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_label, NULL, 2);
Guenter Roeck73055402015-03-26 09:16:32 -07001939/* AVCC3 */
Rudolf Marekc145d5c2014-01-29 20:40:08 +01001940static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 0);
Jean Delvare738e5e02010-08-14 21:08:50 +02001941
Guenter Roeck52929712013-03-30 14:00:08 -07001942static umode_t it87_in_is_visible(struct kobject *kobj,
1943 struct attribute *attr, int index)
Guenter Roeck9172b5d2012-03-24 21:49:54 -07001944{
Guenter Roeck52929712013-03-30 14:00:08 -07001945 struct device *dev = container_of(kobj, struct device, kobj);
1946 struct it87_data *data = dev_get_drvdata(dev);
1947 int i = index / 5; /* voltage index */
1948 int a = index % 5; /* attribute index */
1949
Guenter Roeckf838aa22015-04-01 20:09:36 -07001950 if (index >= 40) { /* in8 and higher only have input attributes */
Guenter Roeck52929712013-03-30 14:00:08 -07001951 i = index - 40 + 8;
1952 a = 0;
1953 }
1954
Guenter Roeck48b2ae72015-04-02 08:06:12 -07001955 if (!(data->has_in & BIT(i)))
Guenter Roeck52929712013-03-30 14:00:08 -07001956 return 0;
1957
1958 if (a == 4 && !data->has_beep)
1959 return 0;
1960
1961 return attr->mode;
1962}
1963
1964static struct attribute *it87_attributes_in[] = {
Jean Delvare87808be2006-09-24 21:17:13 +02001965 &sensor_dev_attr_in0_input.dev_attr.attr,
Jean Delvare87808be2006-09-24 21:17:13 +02001966 &sensor_dev_attr_in0_min.dev_attr.attr,
Jean Delvare87808be2006-09-24 21:17:13 +02001967 &sensor_dev_attr_in0_max.dev_attr.attr,
Jean Delvare0124dd72007-11-25 16:16:41 +01001968 &sensor_dev_attr_in0_alarm.dev_attr.attr,
Guenter Roeck52929712013-03-30 14:00:08 -07001969 &sensor_dev_attr_in0_beep.dev_attr.attr, /* 4 */
1970
Guenter Roeck9172b5d2012-03-24 21:49:54 -07001971 &sensor_dev_attr_in1_input.dev_attr.attr,
1972 &sensor_dev_attr_in1_min.dev_attr.attr,
1973 &sensor_dev_attr_in1_max.dev_attr.attr,
Jean Delvare0124dd72007-11-25 16:16:41 +01001974 &sensor_dev_attr_in1_alarm.dev_attr.attr,
Guenter Roeck52929712013-03-30 14:00:08 -07001975 &sensor_dev_attr_in1_beep.dev_attr.attr, /* 9 */
1976
Guenter Roeck9172b5d2012-03-24 21:49:54 -07001977 &sensor_dev_attr_in2_input.dev_attr.attr,
1978 &sensor_dev_attr_in2_min.dev_attr.attr,
1979 &sensor_dev_attr_in2_max.dev_attr.attr,
Jean Delvare0124dd72007-11-25 16:16:41 +01001980 &sensor_dev_attr_in2_alarm.dev_attr.attr,
Guenter Roeck52929712013-03-30 14:00:08 -07001981 &sensor_dev_attr_in2_beep.dev_attr.attr, /* 14 */
1982
Guenter Roeck9172b5d2012-03-24 21:49:54 -07001983 &sensor_dev_attr_in3_input.dev_attr.attr,
1984 &sensor_dev_attr_in3_min.dev_attr.attr,
1985 &sensor_dev_attr_in3_max.dev_attr.attr,
Jean Delvare0124dd72007-11-25 16:16:41 +01001986 &sensor_dev_attr_in3_alarm.dev_attr.attr,
Guenter Roeck52929712013-03-30 14:00:08 -07001987 &sensor_dev_attr_in3_beep.dev_attr.attr, /* 19 */
1988
Guenter Roeck9172b5d2012-03-24 21:49:54 -07001989 &sensor_dev_attr_in4_input.dev_attr.attr,
1990 &sensor_dev_attr_in4_min.dev_attr.attr,
1991 &sensor_dev_attr_in4_max.dev_attr.attr,
Jean Delvare0124dd72007-11-25 16:16:41 +01001992 &sensor_dev_attr_in4_alarm.dev_attr.attr,
Guenter Roeck52929712013-03-30 14:00:08 -07001993 &sensor_dev_attr_in4_beep.dev_attr.attr, /* 24 */
1994
Guenter Roeck9172b5d2012-03-24 21:49:54 -07001995 &sensor_dev_attr_in5_input.dev_attr.attr,
1996 &sensor_dev_attr_in5_min.dev_attr.attr,
1997 &sensor_dev_attr_in5_max.dev_attr.attr,
Jean Delvare0124dd72007-11-25 16:16:41 +01001998 &sensor_dev_attr_in5_alarm.dev_attr.attr,
Guenter Roeck52929712013-03-30 14:00:08 -07001999 &sensor_dev_attr_in5_beep.dev_attr.attr, /* 29 */
2000
Guenter Roeck9172b5d2012-03-24 21:49:54 -07002001 &sensor_dev_attr_in6_input.dev_attr.attr,
2002 &sensor_dev_attr_in6_min.dev_attr.attr,
2003 &sensor_dev_attr_in6_max.dev_attr.attr,
Jean Delvare0124dd72007-11-25 16:16:41 +01002004 &sensor_dev_attr_in6_alarm.dev_attr.attr,
Guenter Roeck52929712013-03-30 14:00:08 -07002005 &sensor_dev_attr_in6_beep.dev_attr.attr, /* 34 */
2006
Guenter Roeck9172b5d2012-03-24 21:49:54 -07002007 &sensor_dev_attr_in7_input.dev_attr.attr,
2008 &sensor_dev_attr_in7_min.dev_attr.attr,
2009 &sensor_dev_attr_in7_max.dev_attr.attr,
Jean Delvare0124dd72007-11-25 16:16:41 +01002010 &sensor_dev_attr_in7_alarm.dev_attr.attr,
Guenter Roeck52929712013-03-30 14:00:08 -07002011 &sensor_dev_attr_in7_beep.dev_attr.attr, /* 39 */
Jean Delvare87808be2006-09-24 21:17:13 +02002012
Guenter Roeck52929712013-03-30 14:00:08 -07002013 &sensor_dev_attr_in8_input.dev_attr.attr, /* 40 */
Guenter Roeck52929712013-03-30 14:00:08 -07002014 &sensor_dev_attr_in9_input.dev_attr.attr, /* 41 */
Guenter Roeckf838aa22015-04-01 20:09:36 -07002015 &sensor_dev_attr_in10_input.dev_attr.attr, /* 41 */
2016 &sensor_dev_attr_in11_input.dev_attr.attr, /* 41 */
2017 &sensor_dev_attr_in12_input.dev_attr.attr, /* 41 */
Guenter Roeck52929712013-03-30 14:00:08 -07002018};
2019
2020static const struct attribute_group it87_group_in = {
2021 .attrs = it87_attributes_in,
2022 .is_visible = it87_in_is_visible,
Guenter Roeck9172b5d2012-03-24 21:49:54 -07002023};
2024
Guenter Roeck87533772013-03-30 14:23:20 -07002025static umode_t it87_temp_is_visible(struct kobject *kobj,
2026 struct attribute *attr, int index)
Guenter Roeck4573acb2012-03-26 16:17:41 -07002027{
Guenter Roeck87533772013-03-30 14:23:20 -07002028 struct device *dev = container_of(kobj, struct device, kobj);
2029 struct it87_data *data = dev_get_drvdata(dev);
2030 int i = index / 7; /* temperature index */
2031 int a = index % 7; /* attribute index */
2032
Guenter Roeckcc18da72015-04-01 10:03:01 -07002033 if (index >= 21) {
2034 i = index - 21 + 3;
2035 a = 0;
2036 }
2037
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002038 if (!(data->has_temp & BIT(i)))
Guenter Roeck87533772013-03-30 14:23:20 -07002039 return 0;
2040
2041 if (a == 5 && !has_temp_offset(data))
2042 return 0;
2043
2044 if (a == 6 && !data->has_beep)
2045 return 0;
2046
2047 return attr->mode;
2048}
2049
2050static struct attribute *it87_attributes_temp[] = {
Jean Delvare87808be2006-09-24 21:17:13 +02002051 &sensor_dev_attr_temp1_input.dev_attr.attr,
Jean Delvare87808be2006-09-24 21:17:13 +02002052 &sensor_dev_attr_temp1_max.dev_attr.attr,
Jean Delvare87808be2006-09-24 21:17:13 +02002053 &sensor_dev_attr_temp1_min.dev_attr.attr,
Jean Delvare87808be2006-09-24 21:17:13 +02002054 &sensor_dev_attr_temp1_type.dev_attr.attr,
Jean Delvare0124dd72007-11-25 16:16:41 +01002055 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
Guenter Roeck87533772013-03-30 14:23:20 -07002056 &sensor_dev_attr_temp1_offset.dev_attr.attr, /* 5 */
2057 &sensor_dev_attr_temp1_beep.dev_attr.attr, /* 6 */
2058
Guenter Roeckcc18da72015-04-01 10:03:01 -07002059 &sensor_dev_attr_temp2_input.dev_attr.attr, /* 7 */
Guenter Roeck4573acb2012-03-26 16:17:41 -07002060 &sensor_dev_attr_temp2_max.dev_attr.attr,
2061 &sensor_dev_attr_temp2_min.dev_attr.attr,
2062 &sensor_dev_attr_temp2_type.dev_attr.attr,
Jean Delvare0124dd72007-11-25 16:16:41 +01002063 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
Guenter Roeck87533772013-03-30 14:23:20 -07002064 &sensor_dev_attr_temp2_offset.dev_attr.attr,
2065 &sensor_dev_attr_temp2_beep.dev_attr.attr,
2066
Guenter Roeckcc18da72015-04-01 10:03:01 -07002067 &sensor_dev_attr_temp3_input.dev_attr.attr, /* 14 */
Guenter Roeck4573acb2012-03-26 16:17:41 -07002068 &sensor_dev_attr_temp3_max.dev_attr.attr,
2069 &sensor_dev_attr_temp3_min.dev_attr.attr,
2070 &sensor_dev_attr_temp3_type.dev_attr.attr,
Jean Delvare0124dd72007-11-25 16:16:41 +01002071 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
Guenter Roeck87533772013-03-30 14:23:20 -07002072 &sensor_dev_attr_temp3_offset.dev_attr.attr,
2073 &sensor_dev_attr_temp3_beep.dev_attr.attr,
Jean Delvare87808be2006-09-24 21:17:13 +02002074
Guenter Roeckcc18da72015-04-01 10:03:01 -07002075 &sensor_dev_attr_temp4_input.dev_attr.attr, /* 21 */
2076 &sensor_dev_attr_temp5_input.dev_attr.attr,
2077 &sensor_dev_attr_temp6_input.dev_attr.attr,
Guenter Roeck87533772013-03-30 14:23:20 -07002078 NULL
Guenter Roeck4573acb2012-03-26 16:17:41 -07002079};
2080
Guenter Roeck87533772013-03-30 14:23:20 -07002081static const struct attribute_group it87_group_temp = {
2082 .attrs = it87_attributes_temp,
2083 .is_visible = it87_temp_is_visible,
Guenter Roeck161d8982012-12-19 22:17:01 +01002084};
2085
Guenter Roeckd3766842013-03-30 15:47:21 -07002086static umode_t it87_is_visible(struct kobject *kobj,
2087 struct attribute *attr, int index)
2088{
2089 struct device *dev = container_of(kobj, struct device, kobj);
2090 struct it87_data *data = dev_get_drvdata(dev);
2091
Guenter Roeck8638d0a2015-03-30 11:13:49 -07002092 if ((index == 2 || index == 3) && !data->has_vid)
Guenter Roeckd3766842013-03-30 15:47:21 -07002093 return 0;
2094
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002095 if (index > 3 && !(data->in_internal & BIT(index - 4)))
Guenter Roeckd3766842013-03-30 15:47:21 -07002096 return 0;
2097
2098 return attr->mode;
2099}
2100
Guenter Roeck4573acb2012-03-26 16:17:41 -07002101static struct attribute *it87_attributes[] = {
Jean Delvare87808be2006-09-24 21:17:13 +02002102 &dev_attr_alarms.attr,
Jean Delvare3d30f9e2011-07-25 21:46:10 +02002103 &sensor_dev_attr_intrusion0_alarm.dev_attr.attr,
Guenter Roeck8638d0a2015-03-30 11:13:49 -07002104 &dev_attr_vrm.attr, /* 2 */
2105 &dev_attr_cpu0_vid.attr, /* 3 */
2106 &sensor_dev_attr_in3_label.dev_attr.attr, /* 4 .. 7 */
Guenter Roeckd3766842013-03-30 15:47:21 -07002107 &sensor_dev_attr_in7_label.dev_attr.attr,
2108 &sensor_dev_attr_in8_label.dev_attr.attr,
2109 &sensor_dev_attr_in9_label.dev_attr.attr,
Jean Delvare87808be2006-09-24 21:17:13 +02002110 NULL
2111};
2112
2113static const struct attribute_group it87_group = {
2114 .attrs = it87_attributes,
Guenter Roeckd3766842013-03-30 15:47:21 -07002115 .is_visible = it87_is_visible,
Jean Delvare87808be2006-09-24 21:17:13 +02002116};
2117
Guenter Roeck9a70ee82013-03-30 14:51:20 -07002118static umode_t it87_fan_is_visible(struct kobject *kobj,
2119 struct attribute *attr, int index)
2120{
2121 struct device *dev = container_of(kobj, struct device, kobj);
2122 struct it87_data *data = dev_get_drvdata(dev);
2123 int i = index / 5; /* fan index */
2124 int a = index % 5; /* attribute index */
2125
2126 if (index >= 15) { /* fan 4..6 don't have divisor attributes */
2127 i = (index - 15) / 4 + 3;
2128 a = (index - 15) % 4;
2129 }
2130
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002131 if (!(data->has_fan & BIT(i)))
Guenter Roeck9a70ee82013-03-30 14:51:20 -07002132 return 0;
2133
2134 if (a == 3) { /* beep */
2135 if (!data->has_beep)
2136 return 0;
2137 /* first fan beep attribute is writable */
2138 if (i == __ffs(data->has_fan))
2139 return attr->mode | S_IWUSR;
2140 }
2141
2142 if (a == 4 && has_16bit_fans(data)) /* divisor */
2143 return 0;
2144
2145 return attr->mode;
2146}
2147
2148static struct attribute *it87_attributes_fan[] = {
Jean Delvare87808be2006-09-24 21:17:13 +02002149 &sensor_dev_attr_fan1_input.dev_attr.attr,
2150 &sensor_dev_attr_fan1_min.dev_attr.attr,
Jean Delvare723a0aa2010-03-05 22:17:16 +01002151 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
Guenter Roeck9a70ee82013-03-30 14:51:20 -07002152 &sensor_dev_attr_fan1_beep.dev_attr.attr, /* 3 */
2153 &sensor_dev_attr_fan1_div.dev_attr.attr, /* 4 */
2154
Jean Delvare87808be2006-09-24 21:17:13 +02002155 &sensor_dev_attr_fan2_input.dev_attr.attr,
2156 &sensor_dev_attr_fan2_min.dev_attr.attr,
Jean Delvare723a0aa2010-03-05 22:17:16 +01002157 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
Guenter Roeck9a70ee82013-03-30 14:51:20 -07002158 &sensor_dev_attr_fan2_beep.dev_attr.attr,
2159 &sensor_dev_attr_fan2_div.dev_attr.attr, /* 9 */
2160
Jean Delvare87808be2006-09-24 21:17:13 +02002161 &sensor_dev_attr_fan3_input.dev_attr.attr,
2162 &sensor_dev_attr_fan3_min.dev_attr.attr,
Jean Delvare0124dd72007-11-25 16:16:41 +01002163 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
Guenter Roeck9a70ee82013-03-30 14:51:20 -07002164 &sensor_dev_attr_fan3_beep.dev_attr.attr,
2165 &sensor_dev_attr_fan3_div.dev_attr.attr, /* 14 */
2166
2167 &sensor_dev_attr_fan4_input.dev_attr.attr, /* 15 */
Guenter Roecke1169ba2012-12-19 22:17:01 +01002168 &sensor_dev_attr_fan4_min.dev_attr.attr,
2169 &sensor_dev_attr_fan4_alarm.dev_attr.attr,
Guenter Roeck9a70ee82013-03-30 14:51:20 -07002170 &sensor_dev_attr_fan4_beep.dev_attr.attr,
2171
2172 &sensor_dev_attr_fan5_input.dev_attr.attr, /* 19 */
Guenter Roecke1169ba2012-12-19 22:17:01 +01002173 &sensor_dev_attr_fan5_min.dev_attr.attr,
2174 &sensor_dev_attr_fan5_alarm.dev_attr.attr,
Guenter Roeck9a70ee82013-03-30 14:51:20 -07002175 &sensor_dev_attr_fan5_beep.dev_attr.attr,
2176
2177 &sensor_dev_attr_fan6_input.dev_attr.attr, /* 23 */
Guenter Roeckfa3f70d2015-03-25 23:15:32 -07002178 &sensor_dev_attr_fan6_min.dev_attr.attr,
2179 &sensor_dev_attr_fan6_alarm.dev_attr.attr,
Guenter Roeck9a70ee82013-03-30 14:51:20 -07002180 &sensor_dev_attr_fan6_beep.dev_attr.attr,
Guenter Roeckfa3f70d2015-03-25 23:15:32 -07002181 NULL
Jean Delvare723a0aa2010-03-05 22:17:16 +01002182};
2183
Guenter Roeck9a70ee82013-03-30 14:51:20 -07002184static const struct attribute_group it87_group_fan = {
2185 .attrs = it87_attributes_fan,
2186 .is_visible = it87_fan_is_visible,
Guenter Roecke1169ba2012-12-19 22:17:01 +01002187};
Jean Delvare723a0aa2010-03-05 22:17:16 +01002188
Guenter Roeck5c391262013-03-30 15:02:12 -07002189static umode_t it87_pwm_is_visible(struct kobject *kobj,
2190 struct attribute *attr, int index)
Guenter Roeck60878bc2015-03-26 19:57:42 -07002191{
2192 struct device *dev = container_of(kobj, struct device, kobj);
2193 struct it87_data *data = dev_get_drvdata(dev);
Guenter Roeck5c391262013-03-30 15:02:12 -07002194 int i = index / 4; /* pwm index */
2195 int a = index % 4; /* attribute index */
Guenter Roeck60878bc2015-03-26 19:57:42 -07002196
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002197 if (!(data->has_pwm & BIT(i)))
Guenter Roeck5c391262013-03-30 15:02:12 -07002198 return 0;
2199
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07002200 /* pwmX_auto_channels_temp is only writable if auto pwm is supported */
2201 if (a == 3 && (has_old_autopwm(data) || has_newer_autopwm(data)))
Guenter Roeck5c391262013-03-30 15:02:12 -07002202 return attr->mode | S_IWUSR;
2203
2204 /* pwm2_freq is writable if there are two pwm frequency selects */
2205 if (has_pwm_freq2(data) && i == 1 && a == 2)
Guenter Roeck60878bc2015-03-26 19:57:42 -07002206 return attr->mode | S_IWUSR;
2207
2208 return attr->mode;
2209}
2210
Guenter Roeck5c391262013-03-30 15:02:12 -07002211static struct attribute *it87_attributes_pwm[] = {
2212 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
2213 &sensor_dev_attr_pwm1.dev_attr.attr,
2214 &sensor_dev_attr_pwm1_freq.dev_attr.attr,
2215 &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr,
2216
2217 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
2218 &sensor_dev_attr_pwm2.dev_attr.attr,
2219 &sensor_dev_attr_pwm2_freq.dev_attr.attr,
2220 &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr,
2221
2222 &sensor_dev_attr_pwm3_enable.dev_attr.attr,
2223 &sensor_dev_attr_pwm3.dev_attr.attr,
2224 &sensor_dev_attr_pwm3_freq.dev_attr.attr,
2225 &sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr,
2226
2227 &sensor_dev_attr_pwm4_enable.dev_attr.attr,
2228 &sensor_dev_attr_pwm4.dev_attr.attr,
2229 &sensor_dev_attr_pwm4_freq.dev_attr.attr,
2230 &sensor_dev_attr_pwm4_auto_channels_temp.dev_attr.attr,
2231
2232 &sensor_dev_attr_pwm5_enable.dev_attr.attr,
2233 &sensor_dev_attr_pwm5.dev_attr.attr,
2234 &sensor_dev_attr_pwm5_freq.dev_attr.attr,
2235 &sensor_dev_attr_pwm5_auto_channels_temp.dev_attr.attr,
2236
2237 &sensor_dev_attr_pwm6_enable.dev_attr.attr,
2238 &sensor_dev_attr_pwm6.dev_attr.attr,
2239 &sensor_dev_attr_pwm6_freq.dev_attr.attr,
2240 &sensor_dev_attr_pwm6_auto_channels_temp.dev_attr.attr,
2241
2242 NULL
Jean Delvare723a0aa2010-03-05 22:17:16 +01002243};
2244
Guenter Roeck5c391262013-03-30 15:02:12 -07002245static const struct attribute_group it87_group_pwm = {
2246 .attrs = it87_attributes_pwm,
2247 .is_visible = it87_pwm_is_visible,
2248};
2249
2250static umode_t it87_auto_pwm_is_visible(struct kobject *kobj,
2251 struct attribute *attr, int index)
2252{
2253 struct device *dev = container_of(kobj, struct device, kobj);
2254 struct it87_data *data = dev_get_drvdata(dev);
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07002255 int i = index / 11; /* pwm index */
2256 int a = index % 11; /* attribute index */
2257
2258 if (index >= 33) { /* pwm 4..6 */
2259 i = (index - 33) / 6 + 3;
2260 a = (index - 33) % 6 + 4;
2261 }
Guenter Roeck5c391262013-03-30 15:02:12 -07002262
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002263 if (!(data->has_pwm & BIT(i)))
Guenter Roeck5c391262013-03-30 15:02:12 -07002264 return 0;
2265
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07002266 if (has_newer_autopwm(data)) {
2267 if (a < 4) /* no auto point pwm */
2268 return 0;
2269 if (a == 8) /* no auto_point4 */
2270 return 0;
2271 }
2272 if (has_old_autopwm(data)) {
2273 if (a >= 9) /* no pwm_auto_start, pwm_auto_slope */
2274 return 0;
2275 }
2276
Guenter Roeck5c391262013-03-30 15:02:12 -07002277 return attr->mode;
2278}
2279
2280static struct attribute *it87_attributes_auto_pwm[] = {
Jean Delvare4f3f51b2010-03-05 22:17:21 +01002281 &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
2282 &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
2283 &sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr,
2284 &sensor_dev_attr_pwm1_auto_point4_pwm.dev_attr.attr,
2285 &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr,
2286 &sensor_dev_attr_pwm1_auto_point1_temp_hyst.dev_attr.attr,
2287 &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,
2288 &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,
2289 &sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr,
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07002290 &sensor_dev_attr_pwm1_auto_start.dev_attr.attr,
2291 &sensor_dev_attr_pwm1_auto_slope.dev_attr.attr,
Guenter Roeck5c391262013-03-30 15:02:12 -07002292
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07002293 &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, /* 11 */
Jean Delvare4f3f51b2010-03-05 22:17:21 +01002294 &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr,
2295 &sensor_dev_attr_pwm2_auto_point3_pwm.dev_attr.attr,
2296 &sensor_dev_attr_pwm2_auto_point4_pwm.dev_attr.attr,
2297 &sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr,
2298 &sensor_dev_attr_pwm2_auto_point1_temp_hyst.dev_attr.attr,
2299 &sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr,
2300 &sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr,
2301 &sensor_dev_attr_pwm2_auto_point4_temp.dev_attr.attr,
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07002302 &sensor_dev_attr_pwm2_auto_start.dev_attr.attr,
2303 &sensor_dev_attr_pwm2_auto_slope.dev_attr.attr,
Guenter Roeck5c391262013-03-30 15:02:12 -07002304
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07002305 &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, /* 22 */
Jean Delvare4f3f51b2010-03-05 22:17:21 +01002306 &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr,
2307 &sensor_dev_attr_pwm3_auto_point3_pwm.dev_attr.attr,
2308 &sensor_dev_attr_pwm3_auto_point4_pwm.dev_attr.attr,
2309 &sensor_dev_attr_pwm3_auto_point1_temp.dev_attr.attr,
2310 &sensor_dev_attr_pwm3_auto_point1_temp_hyst.dev_attr.attr,
2311 &sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr,
2312 &sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr,
2313 &sensor_dev_attr_pwm3_auto_point4_temp.dev_attr.attr,
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07002314 &sensor_dev_attr_pwm3_auto_start.dev_attr.attr,
2315 &sensor_dev_attr_pwm3_auto_slope.dev_attr.attr,
2316
2317 &sensor_dev_attr_pwm4_auto_point1_temp.dev_attr.attr, /* 33 */
2318 &sensor_dev_attr_pwm4_auto_point1_temp_hyst.dev_attr.attr,
2319 &sensor_dev_attr_pwm4_auto_point2_temp.dev_attr.attr,
2320 &sensor_dev_attr_pwm4_auto_point3_temp.dev_attr.attr,
2321 &sensor_dev_attr_pwm4_auto_start.dev_attr.attr,
2322 &sensor_dev_attr_pwm4_auto_slope.dev_attr.attr,
2323
2324 &sensor_dev_attr_pwm5_auto_point1_temp.dev_attr.attr,
2325 &sensor_dev_attr_pwm5_auto_point1_temp_hyst.dev_attr.attr,
2326 &sensor_dev_attr_pwm5_auto_point2_temp.dev_attr.attr,
2327 &sensor_dev_attr_pwm5_auto_point3_temp.dev_attr.attr,
2328 &sensor_dev_attr_pwm5_auto_start.dev_attr.attr,
2329 &sensor_dev_attr_pwm5_auto_slope.dev_attr.attr,
2330
2331 &sensor_dev_attr_pwm6_auto_point1_temp.dev_attr.attr,
2332 &sensor_dev_attr_pwm6_auto_point1_temp_hyst.dev_attr.attr,
2333 &sensor_dev_attr_pwm6_auto_point2_temp.dev_attr.attr,
2334 &sensor_dev_attr_pwm6_auto_point3_temp.dev_attr.attr,
2335 &sensor_dev_attr_pwm6_auto_start.dev_attr.attr,
2336 &sensor_dev_attr_pwm6_auto_slope.dev_attr.attr,
Jean Delvare4f3f51b2010-03-05 22:17:21 +01002337
Guenter Roeck5c391262013-03-30 15:02:12 -07002338 NULL,
2339};
2340
2341static const struct attribute_group it87_group_auto_pwm = {
2342 .attrs = it87_attributes_auto_pwm,
2343 .is_visible = it87_auto_pwm_is_visible,
Jean Delvare4f3f51b2010-03-05 22:17:21 +01002344};
2345
Jean Delvare2d8672c2005-07-19 23:56:35 +02002346/* SuperIO detection - will change isa_address if a chip is found */
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002347static int __init it87_find(int sioaddr, unsigned short *address,
2348 struct it87_sio_data *sio_data)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002349{
Nat Gurumoorthy5b0380c2011-05-25 20:43:33 +02002350 int err;
corentin.labbeb74f3fd2007-06-13 20:27:36 +02002351 u16 chip_type;
Jean Delvare98dd22c2008-10-09 15:33:58 +02002352 const char *board_vendor, *board_name;
Guenter Roeckf83a9cb2015-03-31 09:31:34 -07002353 const struct it87_devices *config;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002354
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002355 err = superio_enter(sioaddr);
Nat Gurumoorthy5b0380c2011-05-25 20:43:33 +02002356 if (err)
2357 return err;
2358
2359 err = -ENODEV;
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002360 chip_type = force_id ? force_id : superio_inw(sioaddr, DEVID);
corentin.labbeb74f3fd2007-06-13 20:27:36 +02002361
2362 switch (chip_type) {
2363 case IT8705F_DEVID:
2364 sio_data->type = it87;
2365 break;
2366 case IT8712F_DEVID:
2367 sio_data->type = it8712;
2368 break;
2369 case IT8716F_DEVID:
2370 case IT8726F_DEVID:
2371 sio_data->type = it8716;
2372 break;
2373 case IT8718F_DEVID:
2374 sio_data->type = it8718;
2375 break;
Jean-Marc Spaggiarib4da93e2009-01-07 16:37:32 +01002376 case IT8720F_DEVID:
2377 sio_data->type = it8720;
2378 break;
Jean Delvare44c1bcd2010-10-28 20:31:51 +02002379 case IT8721F_DEVID:
2380 sio_data->type = it8721;
2381 break;
Jean Delvare16b5dda2012-01-16 22:51:48 +01002382 case IT8728F_DEVID:
2383 sio_data->type = it8728;
2384 break;
Justin Maggardead80802015-08-05 12:53:08 -07002385 case IT8732F_DEVID:
2386 sio_data->type = it8732;
2387 break;
Guenter Roeckb0636702012-09-07 17:34:41 -06002388 case IT8771E_DEVID:
2389 sio_data->type = it8771;
2390 break;
2391 case IT8772E_DEVID:
2392 sio_data->type = it8772;
2393 break;
Guenter Roeck7bc32d22015-01-17 14:10:24 -08002394 case IT8781F_DEVID:
2395 sio_data->type = it8781;
2396 break;
Guenter Roeck0531d982012-03-02 11:46:44 -08002397 case IT8782F_DEVID:
2398 sio_data->type = it8782;
2399 break;
2400 case IT8783E_DEVID:
2401 sio_data->type = it8783;
2402 break;
Thomas Lorblanchesa0c14242015-02-13 13:19:06 +01002403 case IT8786E_DEVID:
2404 sio_data->type = it8786;
2405 break;
Guenter Roeck4ee07152015-03-25 23:26:28 -07002406 case IT8790E_DEVID:
2407 sio_data->type = it8790;
2408 break;
Rudolf Marek7183ae82014-04-04 18:01:35 +02002409 case IT8603E_DEVID:
Rudolf Marek574e9bd2014-04-04 18:01:35 +02002410 case IT8623E_DEVID:
Rudolf Marekc145d5c2014-01-29 20:40:08 +01002411 sio_data->type = it8603;
2412 break;
Guenter Roeck3ba9d972015-02-13 20:13:20 -08002413 case IT8620E_DEVID:
2414 sio_data->type = it8620;
2415 break;
Guenter Roeck71a9c232016-01-18 00:35:58 -08002416 case IT8628E_DEVID:
2417 sio_data->type = it8628;
2418 break;
corentin.labbeb74f3fd2007-06-13 20:27:36 +02002419 case 0xffff: /* No device at all */
2420 goto exit;
2421 default:
Joe Perchesa8ca1032011-01-12 21:55:10 +01002422 pr_debug("Unsupported chip (DEVID=0x%x)\n", chip_type);
corentin.labbeb74f3fd2007-06-13 20:27:36 +02002423 goto exit;
2424 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002425
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002426 superio_select(sioaddr, PME);
2427 if (!(superio_inb(sioaddr, IT87_ACT_REG) & 0x01)) {
Joe Perchesa8ca1032011-01-12 21:55:10 +01002428 pr_info("Device not activated, skipping\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002429 goto exit;
2430 }
2431
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002432 *address = superio_inw(sioaddr, IT87_BASE_REG) & ~(IT87_EXTENT - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002433 if (*address == 0) {
Joe Perchesa8ca1032011-01-12 21:55:10 +01002434 pr_info("Base address not set, skipping\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07002435 goto exit;
2436 }
2437
2438 err = 0;
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002439 sio_data->revision = superio_inb(sioaddr, DEVREV) & 0x0f;
Guenter Roeckfaf392f2015-03-26 08:36:18 -07002440 pr_info("Found IT%04x%s chip at 0x%x, revision %d\n", chip_type,
2441 it87_devices[sio_data->type].suffix,
Thomas Lorblanchesa0c14242015-02-13 13:19:06 +01002442 *address, sio_data->revision);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002443
Guenter Roeckf83a9cb2015-03-31 09:31:34 -07002444 config = &it87_devices[sio_data->type];
2445
Guenter Roeck7f5726c2015-03-26 08:49:18 -07002446 /* in7 (VSB or VCCH5V) is always internal on some chips */
Guenter Roeckf83a9cb2015-03-31 09:31:34 -07002447 if (has_in7_internal(config))
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002448 sio_data->internal |= BIT(1);
Guenter Roeck7f5726c2015-03-26 08:49:18 -07002449
Jean Delvare738e5e02010-08-14 21:08:50 +02002450 /* in8 (Vbat) is always internal */
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002451 sio_data->internal |= BIT(2);
Guenter Roeck7f5726c2015-03-26 08:49:18 -07002452
Guenter Roeck73055402015-03-26 09:16:32 -07002453 /* in9 (AVCC3), always internal if supported */
2454 if (has_avcc3(config))
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002455 sio_data->internal |= BIT(3); /* in9 is AVCC */
Guenter Roeck73055402015-03-26 09:16:32 -07002456 else
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002457 sio_data->skip_in |= BIT(9);
Jean Delvare738e5e02010-08-14 21:08:50 +02002458
Guenter Roeck36c4d982015-03-26 18:18:19 -07002459 if (!has_six_pwm(config))
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002460 sio_data->skip_pwm |= BIT(3) | BIT(4) | BIT(5);
Guenter Roeck36c4d982015-03-26 18:18:19 -07002461
Guenter Roeckf83a9cb2015-03-31 09:31:34 -07002462 if (!has_vid(config))
Jean Delvare895ff262009-12-09 20:35:47 +01002463 sio_data->skip_vid = 1;
Jean Delvared9b327c2010-03-05 22:17:17 +01002464
Guenter Roeck32dd7c42015-02-12 07:40:23 -08002465 /* Read GPIO config and VID value from LDN 7 (GPIO) */
2466 if (sio_data->type == it87) {
Jean Delvared9b327c2010-03-05 22:17:17 +01002467 /* The IT8705F has a different LD number for GPIO */
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002468 superio_select(sioaddr, 5);
2469 sio_data->beep_pin = superio_inb(sioaddr,
2470 IT87_SIO_BEEP_PIN_REG) & 0x3f;
Guenter Roeck0531d982012-03-02 11:46:44 -08002471 } else if (sio_data->type == it8783) {
Guenter Roeck088ce2a2013-03-13 16:40:39 -07002472 int reg25, reg27, reg2a, reg2c, regef;
Guenter Roeck0531d982012-03-02 11:46:44 -08002473
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002474 superio_select(sioaddr, GPIO);
Guenter Roeck0531d982012-03-02 11:46:44 -08002475
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002476 reg25 = superio_inb(sioaddr, IT87_SIO_GPIO1_REG);
2477 reg27 = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
2478 reg2a = superio_inb(sioaddr, IT87_SIO_PINX1_REG);
2479 reg2c = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
2480 regef = superio_inb(sioaddr, IT87_SIO_SPI_REG);
Guenter Roeck0531d982012-03-02 11:46:44 -08002481
Guenter Roeck0531d982012-03-02 11:46:44 -08002482 /* Check if fan3 is there or not */
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002483 if ((reg27 & BIT(0)) || !(reg2c & BIT(2)))
2484 sio_data->skip_fan |= BIT(2);
Guenter Roeckc9620242015-04-04 09:05:57 -07002485 if ((reg25 & BIT(4)) ||
2486 (!(reg2a & BIT(1)) && (regef & BIT(0))))
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002487 sio_data->skip_pwm |= BIT(2);
Guenter Roeck0531d982012-03-02 11:46:44 -08002488
2489 /* Check if fan2 is there or not */
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002490 if (reg27 & BIT(7))
2491 sio_data->skip_fan |= BIT(1);
2492 if (reg27 & BIT(3))
2493 sio_data->skip_pwm |= BIT(1);
Guenter Roeck0531d982012-03-02 11:46:44 -08002494
2495 /* VIN5 */
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002496 if ((reg27 & BIT(0)) || (reg2c & BIT(2)))
2497 sio_data->skip_in |= BIT(5); /* No VIN5 */
Guenter Roeck0531d982012-03-02 11:46:44 -08002498
2499 /* VIN6 */
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002500 if (reg27 & BIT(1))
2501 sio_data->skip_in |= BIT(6); /* No VIN6 */
Guenter Roeck0531d982012-03-02 11:46:44 -08002502
2503 /*
2504 * VIN7
2505 * Does not depend on bit 2 of Reg2C, contrary to datasheet.
2506 */
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002507 if (reg27 & BIT(2)) {
Guenter Roeck9172b5d2012-03-24 21:49:54 -07002508 /*
2509 * The data sheet is a bit unclear regarding the
2510 * internal voltage divider for VCCH5V. It says
2511 * "This bit enables and switches VIN7 (pin 91) to the
2512 * internal voltage divider for VCCH5V".
2513 * This is different to other chips, where the internal
2514 * voltage divider would connect VIN7 to an internal
2515 * voltage source. Maybe that is the case here as well.
2516 *
2517 * Since we don't know for sure, re-route it if that is
2518 * not the case, and ask the user to report if the
2519 * resulting voltage is sane.
2520 */
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002521 if (!(reg2c & BIT(1))) {
2522 reg2c |= BIT(1);
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002523 superio_outb(sioaddr, IT87_SIO_PINX2_REG,
2524 reg2c);
Guenter Roeck9172b5d2012-03-24 21:49:54 -07002525 pr_notice("Routing internal VCCH5V to in7.\n");
2526 }
2527 pr_notice("in7 routed to internal voltage divider, with external pin disabled.\n");
2528 pr_notice("Please report if it displays a reasonable voltage.\n");
2529 }
Guenter Roeck0531d982012-03-02 11:46:44 -08002530
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002531 if (reg2c & BIT(0))
2532 sio_data->internal |= BIT(0);
2533 if (reg2c & BIT(1))
2534 sio_data->internal |= BIT(1);
Guenter Roeck0531d982012-03-02 11:46:44 -08002535
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002536 sio_data->beep_pin = superio_inb(sioaddr,
2537 IT87_SIO_BEEP_PIN_REG) & 0x3f;
Rudolf Marekc145d5c2014-01-29 20:40:08 +01002538 } else if (sio_data->type == it8603) {
2539 int reg27, reg29;
Guenter Roeck0531d982012-03-02 11:46:44 -08002540
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002541 superio_select(sioaddr, GPIO);
Rudolf Marekc145d5c2014-01-29 20:40:08 +01002542
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002543 reg27 = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
Rudolf Marekc145d5c2014-01-29 20:40:08 +01002544
2545 /* Check if fan3 is there or not */
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002546 if (reg27 & BIT(6))
2547 sio_data->skip_pwm |= BIT(2);
2548 if (reg27 & BIT(7))
2549 sio_data->skip_fan |= BIT(2);
Rudolf Marekc145d5c2014-01-29 20:40:08 +01002550
2551 /* Check if fan2 is there or not */
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002552 reg29 = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002553 if (reg29 & BIT(1))
2554 sio_data->skip_pwm |= BIT(1);
2555 if (reg29 & BIT(2))
2556 sio_data->skip_fan |= BIT(1);
Rudolf Marekc145d5c2014-01-29 20:40:08 +01002557
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002558 sio_data->skip_in |= BIT(5); /* No VIN5 */
2559 sio_data->skip_in |= BIT(6); /* No VIN6 */
Rudolf Marekc145d5c2014-01-29 20:40:08 +01002560
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002561 sio_data->beep_pin = superio_inb(sioaddr,
2562 IT87_SIO_BEEP_PIN_REG) & 0x3f;
Guenter Roeck71a9c232016-01-18 00:35:58 -08002563 } else if (sio_data->type == it8620 || sio_data->type == it8628) {
Guenter Roeck3ba9d972015-02-13 20:13:20 -08002564 int reg;
2565
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002566 superio_select(sioaddr, GPIO);
Guenter Roeck3ba9d972015-02-13 20:13:20 -08002567
Guenter Roeck36c4d982015-03-26 18:18:19 -07002568 /* Check for pwm5 */
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002569 reg = superio_inb(sioaddr, IT87_SIO_GPIO1_REG);
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002570 if (reg & BIT(6))
2571 sio_data->skip_pwm |= BIT(4);
Guenter Roeck36c4d982015-03-26 18:18:19 -07002572
Guenter Roeck3ba9d972015-02-13 20:13:20 -08002573 /* Check for fan4, fan5 */
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002574 reg = superio_inb(sioaddr, IT87_SIO_GPIO2_REG);
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002575 if (!(reg & BIT(5)))
2576 sio_data->skip_fan |= BIT(3);
2577 if (!(reg & BIT(4)))
2578 sio_data->skip_fan |= BIT(4);
Guenter Roeck3ba9d972015-02-13 20:13:20 -08002579
2580 /* Check for pwm3, fan3 */
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002581 reg = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002582 if (reg & BIT(6))
2583 sio_data->skip_pwm |= BIT(2);
2584 if (reg & BIT(7))
2585 sio_data->skip_fan |= BIT(2);
Guenter Roeck3ba9d972015-02-13 20:13:20 -08002586
Guenter Roeck36c4d982015-03-26 18:18:19 -07002587 /* Check for pwm4 */
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002588 reg = superio_inb(sioaddr, IT87_SIO_GPIO4_REG);
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002589 if (!(reg & BIT(2)))
2590 sio_data->skip_pwm |= BIT(3);
Guenter Roeck36c4d982015-03-26 18:18:19 -07002591
Guenter Roeck3ba9d972015-02-13 20:13:20 -08002592 /* Check for pwm2, fan2 */
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002593 reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002594 if (reg & BIT(1))
2595 sio_data->skip_pwm |= BIT(1);
2596 if (reg & BIT(2))
2597 sio_data->skip_fan |= BIT(1);
Guenter Roeck36c4d982015-03-26 18:18:19 -07002598 /* Check for pwm6, fan6 */
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002599 if (!(reg & BIT(7))) {
2600 sio_data->skip_pwm |= BIT(5);
2601 sio_data->skip_fan |= BIT(5);
Guenter Roeck36c4d982015-03-26 18:18:19 -07002602 }
Guenter Roeck3ba9d972015-02-13 20:13:20 -08002603
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002604 sio_data->beep_pin = superio_inb(sioaddr,
2605 IT87_SIO_BEEP_PIN_REG) & 0x3f;
Jean Delvare895ff262009-12-09 20:35:47 +01002606 } else {
Jean Delvare87673dd2006-08-28 14:37:19 +02002607 int reg;
Guenter Roeck9172b5d2012-03-24 21:49:54 -07002608 bool uart6;
Jean Delvare87673dd2006-08-28 14:37:19 +02002609
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002610 superio_select(sioaddr, GPIO);
Jean Delvare44c1bcd2010-10-28 20:31:51 +02002611
Guenter Roecka0df9262015-04-05 16:51:36 -07002612 /* Check for fan4, fan5 */
2613 if (has_five_fans(config)) {
2614 reg = superio_inb(sioaddr, IT87_SIO_GPIO2_REG);
2615 switch (sio_data->type) {
2616 case it8718:
2617 if (reg & BIT(5))
2618 sio_data->skip_fan |= BIT(3);
2619 if (reg & BIT(4))
2620 sio_data->skip_fan |= BIT(4);
2621 break;
2622 case it8720:
2623 case it8721:
2624 case it8728:
2625 if (!(reg & BIT(5)))
2626 sio_data->skip_fan |= BIT(3);
2627 if (!(reg & BIT(4)))
2628 sio_data->skip_fan |= BIT(4);
2629 break;
2630 default:
2631 break;
2632 }
2633 }
2634
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002635 reg = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
Guenter Roeck32dd7c42015-02-12 07:40:23 -08002636 if (!sio_data->skip_vid) {
Jean Delvare44c1bcd2010-10-28 20:31:51 +02002637 /* We need at least 4 VID pins */
2638 if (reg & 0x0f) {
Joe Perchesa8ca1032011-01-12 21:55:10 +01002639 pr_info("VID is disabled (pins used for GPIO)\n");
Jean Delvare44c1bcd2010-10-28 20:31:51 +02002640 sio_data->skip_vid = 1;
2641 }
Jean Delvare895ff262009-12-09 20:35:47 +01002642 }
2643
Jean Delvare591ec652009-12-09 20:35:48 +01002644 /* Check if fan3 is there or not */
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002645 if (reg & BIT(6))
2646 sio_data->skip_pwm |= BIT(2);
2647 if (reg & BIT(7))
2648 sio_data->skip_fan |= BIT(2);
Jean Delvare591ec652009-12-09 20:35:48 +01002649
2650 /* Check if fan2 is there or not */
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002651 reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002652 if (reg & BIT(1))
2653 sio_data->skip_pwm |= BIT(1);
2654 if (reg & BIT(2))
2655 sio_data->skip_fan |= BIT(1);
Jean Delvare591ec652009-12-09 20:35:48 +01002656
Guenter Roeckc9620242015-04-04 09:05:57 -07002657 if ((sio_data->type == it8718 || sio_data->type == it8720) &&
2658 !(sio_data->skip_vid))
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002659 sio_data->vid_value = superio_inb(sioaddr,
2660 IT87_SIO_VID_REG);
Jean Delvare87673dd2006-08-28 14:37:19 +02002661
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002662 reg = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
Guenter Roeck9172b5d2012-03-24 21:49:54 -07002663
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002664 uart6 = sio_data->type == it8782 && (reg & BIT(2));
Guenter Roeck9172b5d2012-03-24 21:49:54 -07002665
Jean Delvare436cad22010-07-09 16:22:48 +02002666 /*
2667 * The IT8720F has no VIN7 pin, so VCCH should always be
2668 * routed internally to VIN7 with an internal divider.
2669 * Curiously, there still is a configuration bit to control
2670 * this, which means it can be set incorrectly. And even
2671 * more curiously, many boards out there are improperly
2672 * configured, even though the IT8720F datasheet claims
2673 * that the internal routing of VCCH to VIN7 is the default
2674 * setting. So we force the internal routing in this case.
Guenter Roeck0531d982012-03-02 11:46:44 -08002675 *
2676 * On IT8782F, VIN7 is multiplexed with one of the UART6 pins.
Guenter Roeck9172b5d2012-03-24 21:49:54 -07002677 * If UART6 is enabled, re-route VIN7 to the internal divider
2678 * if that is not already the case.
Jean Delvare436cad22010-07-09 16:22:48 +02002679 */
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002680 if ((sio_data->type == it8720 || uart6) && !(reg & BIT(1))) {
2681 reg |= BIT(1);
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002682 superio_outb(sioaddr, IT87_SIO_PINX2_REG, reg);
Joe Perchesa8ca1032011-01-12 21:55:10 +01002683 pr_notice("Routing internal VCCH to in7\n");
Jean Delvare436cad22010-07-09 16:22:48 +02002684 }
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002685 if (reg & BIT(0))
2686 sio_data->internal |= BIT(0);
2687 if (reg & BIT(1))
2688 sio_data->internal |= BIT(1);
Jean Delvared9b327c2010-03-05 22:17:17 +01002689
Guenter Roeck9172b5d2012-03-24 21:49:54 -07002690 /*
2691 * On IT8782F, UART6 pins overlap with VIN5, VIN6, and VIN7.
2692 * While VIN7 can be routed to the internal voltage divider,
2693 * VIN5 and VIN6 are not available if UART6 is enabled.
Guenter Roeck4573acb2012-03-26 16:17:41 -07002694 *
2695 * Also, temp3 is not available if UART6 is enabled and TEMPIN3
2696 * is the temperature source. Since we can not read the
2697 * temperature source here, skip_temp is preliminary.
Guenter Roeck9172b5d2012-03-24 21:49:54 -07002698 */
Guenter Roeck4573acb2012-03-26 16:17:41 -07002699 if (uart6) {
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002700 sio_data->skip_in |= BIT(5) | BIT(6);
2701 sio_data->skip_temp |= BIT(2);
Guenter Roeck4573acb2012-03-26 16:17:41 -07002702 }
Guenter Roeck9172b5d2012-03-24 21:49:54 -07002703
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002704 sio_data->beep_pin = superio_inb(sioaddr,
2705 IT87_SIO_BEEP_PIN_REG) & 0x3f;
Jean Delvare87673dd2006-08-28 14:37:19 +02002706 }
Jean Delvared9b327c2010-03-05 22:17:17 +01002707 if (sio_data->beep_pin)
Joe Perchesa8ca1032011-01-12 21:55:10 +01002708 pr_info("Beeping is supported\n");
Jean Delvare87673dd2006-08-28 14:37:19 +02002709
Jean Delvare98dd22c2008-10-09 15:33:58 +02002710 /* Disable specific features based on DMI strings */
2711 board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR);
2712 board_name = dmi_get_system_info(DMI_BOARD_NAME);
2713 if (board_vendor && board_name) {
Guenter Roeckc9620242015-04-04 09:05:57 -07002714 if (strcmp(board_vendor, "nVIDIA") == 0 &&
2715 strcmp(board_name, "FN68PT") == 0) {
Guenter Roeck4a0d71c2012-01-19 11:02:18 -08002716 /*
2717 * On the Shuttle SN68PT, FAN_CTL2 is apparently not
2718 * connected to a fan, but to something else. One user
2719 * has reported instant system power-off when changing
2720 * the PWM2 duty cycle, so we disable it.
2721 * I use the board name string as the trigger in case
2722 * the same board is ever used in other systems.
2723 */
Joe Perchesa8ca1032011-01-12 21:55:10 +01002724 pr_info("Disabling pwm2 due to hardware constraints\n");
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002725 sio_data->skip_pwm = BIT(1);
Jean Delvare98dd22c2008-10-09 15:33:58 +02002726 }
2727 }
2728
Linus Torvalds1da177e2005-04-16 15:20:36 -07002729exit:
Guenter Roeck3c2e3512015-03-28 08:03:10 -07002730 superio_exit(sioaddr);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002731 return err;
2732}
2733
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -07002734/* Called when we have found a new IT87. */
2735static void it87_init_device(struct platform_device *pdev)
2736{
2737 struct it87_sio_data *sio_data = dev_get_platdata(&pdev->dev);
2738 struct it87_data *data = platform_get_drvdata(pdev);
2739 int tmp, i;
2740 u8 mask;
2741
2742 /*
2743 * For each PWM channel:
2744 * - If it is in automatic mode, setting to manual mode should set
2745 * the fan to full speed by default.
2746 * - If it is in manual mode, we need a mapping to temperature
2747 * channels to use when later setting to automatic mode later.
2748 * Use a 1:1 mapping by default (we are clueless.)
2749 * In both cases, the value can (and should) be changed by the user
2750 * prior to switching to a different mode.
2751 * Note that this is no longer needed for the IT8721F and later, as
2752 * these have separate registers for the temperature mapping and the
2753 * manual duty cycle.
2754 */
Guenter Roeck23100482015-04-02 08:23:45 -07002755 for (i = 0; i < NUM_AUTO_PWM; i++) {
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -07002756 data->pwm_temp_map[i] = i;
2757 data->pwm_duty[i] = 0x7f; /* Full speed */
2758 data->auto_pwm[i][3] = 0x7f; /* Full speed, hard-coded */
2759 }
2760
2761 /*
2762 * Some chips seem to have default value 0xff for all limit
2763 * registers. For low voltage limits it makes no sense and triggers
2764 * alarms, so change to 0 instead. For high temperature limits, it
2765 * means -1 degree C, which surprisingly doesn't trigger an alarm,
2766 * but is still confusing, so change to 127 degrees C.
2767 */
Guenter Roeck23100482015-04-02 08:23:45 -07002768 for (i = 0; i < NUM_VIN_LIMIT; i++) {
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -07002769 tmp = it87_read_value(data, IT87_REG_VIN_MIN(i));
2770 if (tmp == 0xff)
2771 it87_write_value(data, IT87_REG_VIN_MIN(i), 0);
2772 }
Guenter Roeck23100482015-04-02 08:23:45 -07002773 for (i = 0; i < NUM_TEMP_LIMIT; i++) {
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -07002774 tmp = it87_read_value(data, IT87_REG_TEMP_HIGH(i));
2775 if (tmp == 0xff)
2776 it87_write_value(data, IT87_REG_TEMP_HIGH(i), 127);
2777 }
2778
2779 /*
2780 * Temperature channels are not forcibly enabled, as they can be
2781 * set to two different sensor types and we can't guess which one
2782 * is correct for a given system. These channels can be enabled at
2783 * run-time through the temp{1-3}_type sysfs accessors if needed.
2784 */
2785
2786 /* Check if voltage monitors are reset manually or by some reason */
2787 tmp = it87_read_value(data, IT87_REG_VIN_ENABLE);
2788 if ((tmp & 0xff) == 0) {
2789 /* Enable all voltage monitors */
2790 it87_write_value(data, IT87_REG_VIN_ENABLE, 0xff);
2791 }
2792
2793 /* Check if tachometers are reset manually or by some reason */
2794 mask = 0x70 & ~(sio_data->skip_fan << 4);
2795 data->fan_main_ctrl = it87_read_value(data, IT87_REG_FAN_MAIN_CTRL);
2796 if ((data->fan_main_ctrl & mask) == 0) {
2797 /* Enable all fan tachometers */
2798 data->fan_main_ctrl |= mask;
2799 it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
2800 data->fan_main_ctrl);
2801 }
2802 data->has_fan = (data->fan_main_ctrl >> 4) & 0x07;
2803
2804 tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
2805
2806 /* Set tachometers to 16-bit mode if needed */
2807 if (has_fan16_config(data)) {
2808 if (~tmp & 0x07 & data->has_fan) {
2809 dev_dbg(&pdev->dev,
2810 "Setting fan1-3 to 16-bit mode\n");
2811 it87_write_value(data, IT87_REG_FAN_16BIT,
2812 tmp | 0x07);
2813 }
2814 }
2815
2816 /* Check for additional fans */
2817 if (has_five_fans(data)) {
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002818 if (tmp & BIT(4))
2819 data->has_fan |= BIT(3); /* fan4 enabled */
2820 if (tmp & BIT(5))
2821 data->has_fan |= BIT(4); /* fan5 enabled */
2822 if (has_six_fans(data) && (tmp & BIT(2)))
2823 data->has_fan |= BIT(5); /* fan6 enabled */
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -07002824 }
2825
2826 /* Fan input pins may be used for alternative functions */
2827 data->has_fan &= ~sio_data->skip_fan;
2828
2829 /* Check if pwm5, pwm6 are enabled */
2830 if (has_six_pwm(data)) {
2831 /* The following code may be IT8620E specific */
2832 tmp = it87_read_value(data, IT87_REG_FAN_DIV);
2833 if ((tmp & 0xc0) == 0xc0)
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002834 sio_data->skip_pwm |= BIT(4);
2835 if (!(tmp & BIT(3)))
2836 sio_data->skip_pwm |= BIT(5);
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -07002837 }
2838
2839 /* Start monitoring */
2840 it87_write_value(data, IT87_REG_CONFIG,
2841 (it87_read_value(data, IT87_REG_CONFIG) & 0x3e)
2842 | (update_vbat ? 0x41 : 0x01));
2843}
2844
2845/* Return 1 if and only if the PWM interface is safe to use */
2846static int it87_check_pwm(struct device *dev)
2847{
2848 struct it87_data *data = dev_get_drvdata(dev);
2849 /*
2850 * Some BIOSes fail to correctly configure the IT87 fans. All fans off
2851 * and polarity set to active low is sign that this is the case so we
2852 * disable pwm control to protect the user.
2853 */
2854 int tmp = it87_read_value(data, IT87_REG_FAN_CTL);
2855
2856 if ((tmp & 0x87) == 0) {
2857 if (fix_pwm_polarity) {
2858 /*
2859 * The user asks us to attempt a chip reconfiguration.
2860 * This means switching to active high polarity and
2861 * inverting all fan speed values.
2862 */
2863 int i;
2864 u8 pwm[3];
2865
Guenter Roeck23100482015-04-02 08:23:45 -07002866 for (i = 0; i < ARRAY_SIZE(pwm); i++)
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -07002867 pwm[i] = it87_read_value(data,
2868 IT87_REG_PWM[i]);
2869
2870 /*
2871 * If any fan is in automatic pwm mode, the polarity
2872 * might be correct, as suspicious as it seems, so we
2873 * better don't change anything (but still disable the
2874 * PWM interface).
2875 */
2876 if (!((pwm[0] | pwm[1] | pwm[2]) & 0x80)) {
2877 dev_info(dev,
2878 "Reconfiguring PWM to active high polarity\n");
2879 it87_write_value(data, IT87_REG_FAN_CTL,
2880 tmp | 0x87);
2881 for (i = 0; i < 3; i++)
2882 it87_write_value(data,
2883 IT87_REG_PWM[i],
2884 0x7f & ~pwm[i]);
2885 return 1;
2886 }
2887
2888 dev_info(dev,
2889 "PWM configuration is too broken to be fixed\n");
2890 }
2891
2892 dev_info(dev,
2893 "Detected broken BIOS defaults, disabling PWM interface\n");
2894 return 0;
2895 } else if (fix_pwm_polarity) {
2896 dev_info(dev,
2897 "PWM configuration looks sane, won't touch\n");
2898 }
2899
2900 return 1;
2901}
2902
Bill Pemberton6c931ae2012-11-19 13:22:35 -05002903static int it87_probe(struct platform_device *pdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002904{
Linus Torvalds1da177e2005-04-16 15:20:36 -07002905 struct it87_data *data;
corentin.labbeb74f3fd2007-06-13 20:27:36 +02002906 struct resource *res;
2907 struct device *dev = &pdev->dev;
Jingoo Hana8b3a3a2013-07-30 17:13:06 +09002908 struct it87_sio_data *sio_data = dev_get_platdata(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002909 int enable_pwm_interface;
Guenter Roeck8638d0a2015-03-30 11:13:49 -07002910 struct device *hwmon_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002911
corentin.labbeb74f3fd2007-06-13 20:27:36 +02002912 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
Guenter Roeck62a1d052012-03-24 21:54:41 -07002913 if (!devm_request_region(&pdev->dev, res->start, IT87_EC_EXTENT,
2914 DRVNAME)) {
corentin.labbeb74f3fd2007-06-13 20:27:36 +02002915 dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
2916 (unsigned long)res->start,
Bjorn Helgaas87b4b662008-01-22 07:21:03 -05002917 (unsigned long)(res->start + IT87_EC_EXTENT - 1));
Guenter Roeck62a1d052012-03-24 21:54:41 -07002918 return -EBUSY;
Jean Delvare8e9afcb2006-12-12 18:18:28 +01002919 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002920
Guenter Roeck62a1d052012-03-24 21:54:41 -07002921 data = devm_kzalloc(&pdev->dev, sizeof(struct it87_data), GFP_KERNEL);
2922 if (!data)
2923 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002924
corentin.labbeb74f3fd2007-06-13 20:27:36 +02002925 data->addr = res->start;
2926 data->type = sio_data->type;
Guenter Roeck483db432012-12-19 22:17:02 +01002927 data->features = it87_devices[sio_data->type].features;
Guenter Roeck5d8d2f22012-12-19 22:17:02 +01002928 data->peci_mask = it87_devices[sio_data->type].peci_mask;
Guenter Roeck19529782012-12-19 22:17:02 +01002929 data->old_peci_mask = it87_devices[sio_data->type].old_peci_mask;
Guenter Roeck483db432012-12-19 22:17:02 +01002930 /*
2931 * IT8705F Datasheet 0.4.1, 3h == Version G.
2932 * IT8712F Datasheet 0.9.1, section 8.3.5 indicates 8h == Version J.
2933 * These are the first revisions with 16-bit tachometer support.
2934 */
2935 switch (data->type) {
2936 case it87:
2937 if (sio_data->revision >= 0x03) {
2938 data->features &= ~FEAT_OLD_AUTOPWM;
Guenter Roeck9faf28c2015-02-12 07:11:38 -08002939 data->features |= FEAT_FAN16_CONFIG | FEAT_16BIT_FANS;
Guenter Roeck483db432012-12-19 22:17:02 +01002940 }
2941 break;
2942 case it8712:
2943 if (sio_data->revision >= 0x08) {
2944 data->features &= ~FEAT_OLD_AUTOPWM;
Guenter Roeck9faf28c2015-02-12 07:11:38 -08002945 data->features |= FEAT_FAN16_CONFIG | FEAT_16BIT_FANS |
2946 FEAT_FIVE_FANS;
Guenter Roeck483db432012-12-19 22:17:02 +01002947 }
2948 break;
2949 default:
2950 break;
2951 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002952
2953 /* Now, we do the remaining detection. */
Guenter Roeckc9620242015-04-04 09:05:57 -07002954 if ((it87_read_value(data, IT87_REG_CONFIG) & 0x80) ||
2955 it87_read_value(data, IT87_REG_CHIPID) != 0x90)
Guenter Roeck62a1d052012-03-24 21:54:41 -07002956 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002957
corentin.labbeb74f3fd2007-06-13 20:27:36 +02002958 platform_set_drvdata(pdev, data);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002959
Ingo Molnar9a61bf62006-01-18 23:19:26 +01002960 mutex_init(&data->update_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002961
Linus Torvalds1da177e2005-04-16 15:20:36 -07002962 /* Check PWM configuration */
corentin.labbeb74f3fd2007-06-13 20:27:36 +02002963 enable_pwm_interface = it87_check_pwm(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002964
Jean Delvare44c1bcd2010-10-28 20:31:51 +02002965 /* Starting with IT8721F, we handle scaling of internal voltages */
Jean Delvare16b5dda2012-01-16 22:51:48 +01002966 if (has_12mv_adc(data)) {
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002967 if (sio_data->internal & BIT(0))
2968 data->in_scaled |= BIT(3); /* in3 is AVCC */
2969 if (sio_data->internal & BIT(1))
2970 data->in_scaled |= BIT(7); /* in7 is VSB */
2971 if (sio_data->internal & BIT(2))
2972 data->in_scaled |= BIT(8); /* in8 is Vbat */
2973 if (sio_data->internal & BIT(3))
2974 data->in_scaled |= BIT(9); /* in9 is AVCC */
Guenter Roeck7bc32d22015-01-17 14:10:24 -08002975 } else if (sio_data->type == it8781 || sio_data->type == it8782 ||
2976 sio_data->type == it8783) {
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002977 if (sio_data->internal & BIT(0))
2978 data->in_scaled |= BIT(3); /* in3 is VCC5V */
2979 if (sio_data->internal & BIT(1))
2980 data->in_scaled |= BIT(7); /* in7 is VCCH5V */
Jean Delvare44c1bcd2010-10-28 20:31:51 +02002981 }
2982
Guenter Roeck4573acb2012-03-26 16:17:41 -07002983 data->has_temp = 0x07;
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002984 if (sio_data->skip_temp & BIT(2)) {
Guenter Roeckc9620242015-04-04 09:05:57 -07002985 if (sio_data->type == it8782 &&
2986 !(it87_read_value(data, IT87_REG_TEMP_EXTRA) & 0x80))
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002987 data->has_temp &= ~BIT(2);
Guenter Roeck4573acb2012-03-26 16:17:41 -07002988 }
2989
Guenter Roeckd3766842013-03-30 15:47:21 -07002990 data->in_internal = sio_data->internal;
Guenter Roeck52929712013-03-30 14:00:08 -07002991 data->has_in = 0x3ff & ~sio_data->skip_in;
2992
Guenter Roeckcc18da72015-04-01 10:03:01 -07002993 if (has_six_temp(data)) {
2994 u8 reg = it87_read_value(data, IT87_REG_TEMP456_ENABLE);
2995
Guenter Roeckf838aa22015-04-01 20:09:36 -07002996 /* Check for additional temperature sensors */
Guenter Roeckcc18da72015-04-01 10:03:01 -07002997 if ((reg & 0x03) >= 0x02)
Guenter Roeck48b2ae72015-04-02 08:06:12 -07002998 data->has_temp |= BIT(3);
Guenter Roeckcc18da72015-04-01 10:03:01 -07002999 if (((reg >> 2) & 0x03) >= 0x02)
Guenter Roeck48b2ae72015-04-02 08:06:12 -07003000 data->has_temp |= BIT(4);
Guenter Roeckcc18da72015-04-01 10:03:01 -07003001 if (((reg >> 4) & 0x03) >= 0x02)
Guenter Roeck48b2ae72015-04-02 08:06:12 -07003002 data->has_temp |= BIT(5);
Guenter Roeckf838aa22015-04-01 20:09:36 -07003003
3004 /* Check for additional voltage sensors */
3005 if ((reg & 0x03) == 0x01)
Guenter Roeck48b2ae72015-04-02 08:06:12 -07003006 data->has_in |= BIT(10);
Guenter Roeckf838aa22015-04-01 20:09:36 -07003007 if (((reg >> 2) & 0x03) == 0x01)
Guenter Roeck48b2ae72015-04-02 08:06:12 -07003008 data->has_in |= BIT(11);
Guenter Roeckf838aa22015-04-01 20:09:36 -07003009 if (((reg >> 4) & 0x03) == 0x01)
Guenter Roeck48b2ae72015-04-02 08:06:12 -07003010 data->has_in |= BIT(12);
Guenter Roeckcc18da72015-04-01 10:03:01 -07003011 }
3012
Guenter Roeck52929712013-03-30 14:00:08 -07003013 data->has_beep = !!sio_data->beep_pin;
3014
Linus Torvalds1da177e2005-04-16 15:20:36 -07003015 /* Initialize the IT87 chip */
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003016 it87_init_device(pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003017
Guenter Roeckd3766842013-03-30 15:47:21 -07003018 if (!sio_data->skip_vid) {
3019 data->has_vid = true;
3020 data->vrm = vid_which_vrm();
3021 /* VID reading from Super-I/O config space if available */
3022 data->vid = sio_data->vid_value;
3023 }
3024
Guenter Roeck8638d0a2015-03-30 11:13:49 -07003025 /* Prepare for sysfs hooks */
3026 data->groups[0] = &it87_group;
3027 data->groups[1] = &it87_group_in;
3028 data->groups[2] = &it87_group_temp;
3029 data->groups[3] = &it87_group_fan;
Jean Delvare17d648b2006-08-28 14:23:46 +02003030
Linus Torvalds1da177e2005-04-16 15:20:36 -07003031 if (enable_pwm_interface) {
Guenter Roeck48b2ae72015-04-02 08:06:12 -07003032 data->has_pwm = BIT(ARRAY_SIZE(IT87_REG_PWM)) - 1;
Guenter Roeck5c391262013-03-30 15:02:12 -07003033 data->has_pwm &= ~sio_data->skip_pwm;
Jean Delvare4f3f51b2010-03-05 22:17:21 +01003034
Guenter Roeck8638d0a2015-03-30 11:13:49 -07003035 data->groups[4] = &it87_group_pwm;
Guenter Roeck2cbb9c32015-04-05 11:53:29 -07003036 if (has_old_autopwm(data) || has_newer_autopwm(data))
Guenter Roeck8638d0a2015-03-30 11:13:49 -07003037 data->groups[5] = &it87_group_auto_pwm;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003038 }
3039
Guenter Roeck8638d0a2015-03-30 11:13:49 -07003040 hwmon_dev = devm_hwmon_device_register_with_groups(dev,
3041 it87_devices[sio_data->type].name,
3042 data, data->groups);
3043 return PTR_ERR_OR_ZERO(hwmon_dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003044}
3045
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -07003046static struct platform_driver it87_driver = {
3047 .driver = {
3048 .name = DRVNAME,
3049 },
3050 .probe = it87_probe,
Guenter Roeckc1e7a4c2015-03-28 09:27:27 -07003051};
Linus Torvalds1da177e2005-04-16 15:20:36 -07003052
Guenter Roecke84bd952015-03-28 08:24:29 -07003053static int __init it87_device_add(int index, unsigned short address,
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003054 const struct it87_sio_data *sio_data)
3055{
Guenter Roeck8e50e3c2015-03-28 07:49:14 -07003056 struct platform_device *pdev;
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003057 struct resource res = {
Bjorn Helgaas87b4b662008-01-22 07:21:03 -05003058 .start = address + IT87_EC_OFFSET,
3059 .end = address + IT87_EC_OFFSET + IT87_EC_EXTENT - 1,
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003060 .name = DRVNAME,
3061 .flags = IORESOURCE_IO,
3062 };
3063 int err;
3064
Jean Delvareb9acb642009-01-07 16:37:35 +01003065 err = acpi_check_resource_conflict(&res);
3066 if (err)
Guenter Roeck5cae84a2015-03-28 07:44:59 -07003067 return err;
Jean Delvareb9acb642009-01-07 16:37:35 +01003068
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003069 pdev = platform_device_alloc(DRVNAME, address);
Guenter Roeck5cae84a2015-03-28 07:44:59 -07003070 if (!pdev)
3071 return -ENOMEM;
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003072
3073 err = platform_device_add_resources(pdev, &res, 1);
3074 if (err) {
Joe Perchesa8ca1032011-01-12 21:55:10 +01003075 pr_err("Device resource addition failed (%d)\n", err);
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003076 goto exit_device_put;
3077 }
3078
3079 err = platform_device_add_data(pdev, sio_data,
3080 sizeof(struct it87_sio_data));
3081 if (err) {
Joe Perchesa8ca1032011-01-12 21:55:10 +01003082 pr_err("Platform data allocation failed\n");
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003083 goto exit_device_put;
3084 }
3085
3086 err = platform_device_add(pdev);
3087 if (err) {
Joe Perchesa8ca1032011-01-12 21:55:10 +01003088 pr_err("Device addition failed (%d)\n", err);
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003089 goto exit_device_put;
3090 }
3091
Guenter Roecke84bd952015-03-28 08:24:29 -07003092 it87_pdev[index] = pdev;
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003093 return 0;
3094
3095exit_device_put:
3096 platform_device_put(pdev);
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003097 return err;
3098}
3099
Linus Torvalds1da177e2005-04-16 15:20:36 -07003100static int __init sm_it87_init(void)
3101{
Guenter Roecke84bd952015-03-28 08:24:29 -07003102 int sioaddr[2] = { REG_2E, REG_4E };
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003103 struct it87_sio_data sio_data;
Guenter Roecke84bd952015-03-28 08:24:29 -07003104 unsigned short isa_address;
3105 bool found = false;
3106 int i, err;
Jean Delvarefde09502005-07-19 23:51:07 +02003107
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003108 err = platform_driver_register(&it87_driver);
3109 if (err)
3110 return err;
3111
Guenter Roecke84bd952015-03-28 08:24:29 -07003112 for (i = 0; i < ARRAY_SIZE(sioaddr); i++) {
3113 memset(&sio_data, 0, sizeof(struct it87_sio_data));
3114 isa_address = 0;
3115 err = it87_find(sioaddr[i], &isa_address, &sio_data);
3116 if (err || isa_address == 0)
3117 continue;
3118
3119 err = it87_device_add(i, isa_address, &sio_data);
3120 if (err)
3121 goto exit_dev_unregister;
3122 found = true;
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003123 }
3124
Guenter Roecke84bd952015-03-28 08:24:29 -07003125 if (!found) {
3126 err = -ENODEV;
3127 goto exit_unregister;
3128 }
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003129 return 0;
Guenter Roecke84bd952015-03-28 08:24:29 -07003130
3131exit_dev_unregister:
3132 /* NULL check handled by platform_device_unregister */
3133 platform_device_unregister(it87_pdev[0]);
3134exit_unregister:
3135 platform_driver_unregister(&it87_driver);
3136 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003137}
3138
3139static void __exit sm_it87_exit(void)
3140{
Guenter Roecke84bd952015-03-28 08:24:29 -07003141 /* NULL check handled by platform_device_unregister */
3142 platform_device_unregister(it87_pdev[1]);
3143 platform_device_unregister(it87_pdev[0]);
corentin.labbeb74f3fd2007-06-13 20:27:36 +02003144 platform_driver_unregister(&it87_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003145}
3146
Jean Delvare7c81c602014-01-29 20:40:08 +01003147MODULE_AUTHOR("Chris Gauthron, Jean Delvare <jdelvare@suse.de>");
Jean Delvare44c1bcd2010-10-28 20:31:51 +02003148MODULE_DESCRIPTION("IT8705F/IT871xF/IT872xF hardware monitoring driver");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003149module_param(update_vbat, bool, 0);
3150MODULE_PARM_DESC(update_vbat, "Update vbat if set else return powerup value");
3151module_param(fix_pwm_polarity, bool, 0);
Jean Delvare5f2dc792010-03-05 22:17:18 +01003152MODULE_PARM_DESC(fix_pwm_polarity,
3153 "Force PWM polarity to active high (DANGEROUS)");
Linus Torvalds1da177e2005-04-16 15:20:36 -07003154MODULE_LICENSE("GPL");
3155
3156module_init(sm_it87_init);
3157module_exit(sm_it87_exit);