Commit Graph

17 Commits

Author SHA1 Message Date
amy.shih
3b710d7ae5 hwmon: (nct7904) Fix incorrect SMI status register setting of LTD temperature and fan.
According to datasheet, the SMI status register setting of LTD
temperature is SMI_STS3, and the SMI status register setting
of fan is SMI_STS5 and SMI_STS6.

Signed-off-by: amy.shih <amy.shih@advantech.com.tw>
Link: https://lore.kernel.org/r/20190912113300.4714-1-Amy.Shih@advantech.com.tw
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-09-12 11:52:08 -07:00
amy.shih
4a2d78822f hwmon: (nct7904) Fix incorrect temperature limitation register setting of LTD.
According to kernel hwmon sysfs-interface documentation, temperature
critical max value, typically greater than corresponding temp_max values.
Thus, reads the LTD_HV_HL (LTD HIGH VALUE HIGH LIMITATION) and LTD_LV_HL
(LTD LOW VALUE HIGH LIMITATION) for case hwmon_temp_crit and
hwmon_temp_crit_hyst. Reads the LTD_HV_LL (HIGH VALUE LOW LIMITATION)
and LTD_LV_LL (LOW VALUE LOW LIMITATION) for case hwmon_temp_max
and hwmon_temp_max_hyst.

Signed-off-by: amy.shih <amy.shih@advantech.com.tw>
Link: https://lore.kernel.org/r/20850618155720.24857-1-Amy.Shih@advantech.com.tw
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-09-03 12:47:17 -07:00
amy.shih
486842db3b hwmon: (nct7904) Add extra sysfs support for fan, voltage and temperature.
NCT-7904D also supports reading of channel limitation registers as well
as SMI status registers for fan, voltage and temperature monitoring.
It also supports reading the temperature sensor type (thermal diode,
thermistor, AMD SB-TSI or Intel PECI).

Add the following sysfs nodes:

-fan[1-*]_min
-fan[1-*]_alarm
-in[1-*]_min
-in[1-*]_max
-in[1-*]_alarm
-temp[1-*]_max
-temp[1-*]_max_hyst
-temp[1-*]_emergency
-temp[1-*]_emergency_hyst
-temp[1-*]_alarm
-temp[1-*]_type

Signed-off-by: Amy Shih <amy.shih@advantech.com.tw>
Link: https://lore.kernel.org/r/20190807013842.24451-1-Amy.Shih@advantech.com.tw
[groeck: Clarified description]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-09-03 12:47:17 -07:00
amy.shih
a653acf00d hwmon: (nct7904) Changes comments in probe function.
Linux style for comments is the C89 "/* ... */" style,
changes the comments to Linux style.

Signed-off-by: amy.shih <amy.shih@advantech.com.tw>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-07-08 18:11:29 -07:00
amy.shih
b3e2606787 hwmon: (nct7904) Add error handling in probe function.
When register read and write operations return errors, needs to add
error handling.

Signed-off-by: amy.shih <amy.shih@advantech.com.tw>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-07-08 18:11:29 -07:00
amy.shih
b67b735613 hwmon: (nct7904) Fix the incorrect value of tcpu_mask in nct7904_data struct.
Detect the multi-function of voltage, thermal diode and thermistor
from register VT_ADC_MD_REG to set value of tcpu_mask in nct7904_data
struct, set temp[1-5]_input the input values TEMP_CH1~4 and LTD of
temperature. Set temp[6~13]_input the input values of DTS temperature
that correspond to sensors TCPU1~8.

Signed-off-by: amy.shih <amy.shih@advantech.com.tw>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-06-23 18:33:01 -07:00
Thomas Gleixner
c942fddf87 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
Based on 3 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version this program is distributed in the
  hope that it will be useful but without any warranty without even
  the implied warranty of merchantability or fitness for a particular
  purpose see the gnu general public license for more details

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version [author] [kishon] [vijay] [abraham]
  [i] [kishon]@[ti] [com] this program is distributed in the hope that
  it will be useful but without any warranty without even the implied
  warranty of merchantability or fitness for a particular purpose see
  the gnu general public license for more details

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version [author] [graeme] [gregory]
  [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
  [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
  [hk] [hemahk]@[ti] [com] this program is distributed in the hope
  that it will be useful but without any warranty without even the
  implied warranty of merchantability or fitness for a particular
  purpose see the gnu general public license for more details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1105 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:37 -07:00
Guenter Roeck
4ec1d234a9 hwmon: (nct7904) Use new HWMON_CHANNEL_INFO() macro
The new macro simplifies the code, reduces the likelihood of errors,
and makes the code easier to read.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-04-15 17:19:53 -07:00
Guenter Roeck
e590be4ab1 hwmon: (nct7904) Replace S_<PERMS> with octal values
Replace S_<PERMS> with octal values.

The conversion was done automatically with coccinelle. The semantic patches
and the scripts used to generate this commit log are available at
https://github.com/groeck/coccinelle-patches/hwmon/.

This patch does not introduce functional changes. It was verified by
compiling the old and new files and comparing text and data sizes.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-02-18 14:23:29 -08:00
Jakob Albert
73ed6e22c3 hwmon: (nct7904) Fix UNSPECIFIED_INT warning
Fix UNSPECIFIED_INT warning reported by checkpatch.pl

Signed-off-by: Lorenz Kaestle <lorenz.kaestle@fau.de>
Signed-off-by: Jakob Albert <jakob.j.albert@fau.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2018-07-08 20:08:13 -07:00
Jakob Albert
12f0c3401c hwmon: (nct7904) Fix CODE_INDENT error
Fix CODE_INDENT error reported by checkpatch.pl

Signed-off-by: Lorenz Kaestle <lorenz.kaestle@fau.de>
Signed-off-by: Jakob Albert <jakob.j.albert@fau.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2018-07-08 20:08:13 -07:00
Jakob Albert
ec1460ef7a hwmon: (nct7904) Fix SPACING errors
Fix SPACING errors reported by checkpatch.pl

Signed-off-by: Lorenz Kaestle <lorenz.kaestle@fau.de>
Signed-off-by: Jakob Albert <jakob.j.albert@fau.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2018-07-08 20:08:13 -07:00
Guenter Roeck
d65a5102a9 hwmon: (nct7904) Convert to use new hwmon registration API
Simplify code and reduce code size by using the new hwmon
registration API.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2016-09-08 21:34:18 -07:00
Javier Martinez Canillas
1252be9ce0 hwmon: (nct7904) Export I2C module alias information
The I2C core always reports the MODALIAS uevent as "i2c:<client name"
regardless if the driver was matched using the I2C id_table or the
of_match_table. So the driver needs to export the I2C table and this
be built into the module or udev won't have the necessary information
to auto load the correct module when the device is added.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Cc: stable@vger.kernel.org # v4.1+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2015-08-05 08:31:59 -07:00
Guenter Roeck
0d6aaffc3a hwmon: (nct7904) Rename pwm attributes to match hwmon ABI
pwm attributes have well defined names, which should be used.

Cc: Vadim V. Vlasov <vvlasov@dev.rtsoft.ru>
Cc: stable@vger.kernel.org #v4.1+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2015-07-29 20:06:46 -07:00
Guenter Roeck
6552f327ca hwmon: (nct7904) Strengthen detect function
The bank register has five unused bits. Verify that those bits are zero
to strengthen the detect function.

Cc: Vadim V. Vlasov <vvlasov@dev.rtsoft.ru>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
2015-03-09 09:59:36 -07:00
Vadim V. Vlasov
9c947d25c9 hwmon: Add Nuvoton NCT7904 hwmon driver
The NCT7904D is a hardware monitor supporting up to 20 voltage sensors,
internal temperature sensor, Intel PECI and AMD SB-TSI CPU temperature
interface, up to 12 fan tachometer inputs, up to 4 fan control channels
with SmartFan.

Signed-off-by: Vadim V. Vlasov <vvlasov@dev.rtsoft.ru>
[Guenter Roeck: Fixed whitespace errors, dropped redundant comment]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2015-03-09 09:59:36 -07:00