- Work from Carlos Bilbao to integrate rustdoc output into the generated
HTML documentation. This took some work to figure out how to do it
without slowing the docs build and without creating people who don't have
Rust installed, but Carlos got there.
- Move the loongarch and mips architecture documentation under
Documentation/arch/.
- Some more maintainer documentation from Jakub
...plus the usual assortment of updates, translations, and fixes.
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Merge tag 'docs-6.6' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"Documentation work keeps chugging along; this includes:
- Work from Carlos Bilbao to integrate rustdoc output into the
generated HTML documentation. This took some work to figure out how
to do it without slowing the docs build and without creating people
who don't have Rust installed, but Carlos got there
- Move the loongarch and mips architecture documentation under
Documentation/arch/
- Some more maintainer documentation from Jakub
... plus the usual assortment of updates, translations, and fixes"
* tag 'docs-6.6' of git://git.lwn.net/linux: (56 commits)
Docu: genericirq.rst: fix irq-example
input: docs: pxrc: remove reference to phoenix-sim
Documentation: serial-console: Fix literal block marker
docs/mm: remove references to hmm_mirror ops and clean typos
docs/zh_CN: correct regi_chg(),regi_add() to region_chg(),region_add()
Documentation: Fix typos
Documentation/ABI: Fix typos
scripts: kernel-doc: fix macro handling in enums
scripts: kernel-doc: parse DEFINE_DMA_UNMAP_[ADDR|LEN]
Documentation: riscv: Update boot image header since EFI stub is supported
Documentation: riscv: Add early boot document
Documentation: arm: Add bootargs to the table of added DT parameters
docs: kernel-parameters: Refer to the correct bitmap function
doc: update params of memhp_default_state=
docs: Add book to process/kernel-docs.rst
docs: sparse: fix invalid link addresses
docs: vfs: clean up after the iterate() removal
docs: Add a section on surveys to the researcher guidelines
docs: move mips under arch
docs: move loongarch under arch
...
Add base support for Renesas HS3001 temperature
and humidity sensors and its compatibles HS3002,
HS3003 and HS3004.
The sensor has a fix I2C address 0x44. The resolution
is fixed to 14bit (ref. Missing feature).
Missing feature:
- Accessing non-volatile memory: Custom board has no
possibility to control voltage supply of sensor. Thus,
we cannot send the necessary control commands within
the first 10ms after power-on.
Signed-off-by: Andre Werner <andre.werner@systec-electronic.com>
Link: https://lore.kernel.org/r/20230725042207.22310-2-andre.werner@systec-electronic.com
[groeck: Cosmetic documentation fixup; added documentation to index;
replaced probe_new with probe dropped unused variable]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
SMM665 and related chips are power controller/sequencer chips from
Summit Microelectronics. The company was acquired by Qualcomm in 2012,
and support for the chip series stopped.
The chips are long since gone from active use, making the driver
unsupportable and just consuming space and compile time. Remove it.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
nct6799d-r and nct6796d-s are very similar and chip_id is only
different in the version nibblet.
Since both will be detected by the driver anyway due to the
chipid mask, they should be labeled together for dmesg msg.
Signed-off-by: Ahmad Khalifa <ahmad@khalifa.ws>
Link: https://lore.kernel.org/r/20230715195244.1334723-1-ahmad@khalifa.ws
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Since commit 03c835f498 ("i2c: Switch .probe() to not take an id
parameter") .probe() is the recommended callback to implement an i2c
driver (again). Reflect this in the documentation and don't mention
.probe_new() which will be dropped soon.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230627064948.593804-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This device is an iteration over the AOKZOE A1 with the same EC mapping
and features.
It also has support for tt_toggle.
Signed-off-by: Jerrod Frost <jcfrosty@proton.me>
Signed-off-by: Joaquín Ignacio Aramendía <samsagax@gmail.com>
Link: https://lore.kernel.org/r/20230625012347.121352-2-samsagax@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The series 2022/2023 reports slightly longer vendor/product strings
and shares USB ids. Technically the reply size is the USB HID packet
size (64 bytes) but all the supported commands do not use more than 8
bytes and replies reporting back strings do not use more then 24 bytes
(vendor and product are in one string in the newer devices now). The
rest of the reply is always filled with '\0'. Also update comments
and documentation accordingly.
Signed-off-by: Wilken Gottwalt <wilken.gottwalt@posteo.net>
Link: https://lore.kernel.org/r/ZJbB72CAPmLflhHG@monster.localdomain
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Fix some typos, adjust documentation and comments to current state of
knowledge and update coding style to be more uniform.
Signed-off-by: Wilken Gottwalt <wilken.gottwalt@posteo.net>
Link: https://lore.kernel.org/r/ZJWf3H972hGgLK-8@monster.localdomain
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
OneXPlayer boards from the last generation (both for OneXPlayer and AOK
ZOE brands) have a toggle in the EC to switch the "Turbo/Silent" button
into a different keyboard event.
Add a means to use that "Turbo button takeover" function and expose it
to userspace in a custom sysfs `tt_toggle` attribute. It can be read to
take the current state. Write 1|0 to activate the function. The specific
keycode is dependent on the board but can be checked by running
`evtest` utility.
Newer BIOS on the OneXPlayer added this function aside from string changes.
Add a board enum to differentiate it from the old OneXplayer Mini AMD BIOS.
Currently known supported boards:
- AOK ZOE A1
- OneXPlayer Mini AMD (only newer BIOS version supported)
- OneXPlayer Mini Pro
Signed-off-by: Joaquín Ignacio Aramendía <samsagax@gmail.com>
Link: https://lore.kernel.org/r/20230611143332.40590-2-samsagax@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Use devm_hwmon_device_register_with_info to replace
hwmon_device_register_with_info in description of
devm_hwmon_device_unregister.
Signed-off-by: Yongsheng Yang <iyysheng@gmail.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20230609075510.1305-1-iyysheng@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Hewlett-Packard (and some HP Compaq) business-class computers report
hardware monitoring information via WMI. This driver exposes that
information to hwmon.
Initial support is provided for temperature, fan speed, and intrusion
sensor types. Provisional support is provided for voltage and current
sensor types.
HP's WMI implementation permits many other types of numeric sensors.
Therefore, a debugfs interface is also provided to enumerate and
inspect all numeric sensors visible on the WMI side. This should
facilitate adding support for other sensor types in the future.
Tested on a HP Z420, a HP EliteOne 800 G1, and a HP Compaq Elite 8300
SFF.
Note that provisionally supported sensor types are untested and seem
to be rare-to-nonexistent in the wild, having been encountered
neither on test systems nor in ACPI dumps from the Linux Hardware
Database. They are included because their popularity in general makes
their presence on past or future HP systems plausible and because no
doubt exists as to how the sensors themselves would be represented in
WMI (alarm attributes will need to wait for hardware to be located).
A 2005 HP whitepaper gives the relevant sensor object MOF definition
and sensor value scaling calculation, and both this driver and the
official HP Performance Advisor utility comply with them (confirmed
in the latter case by reverse engineering).
Link: https://h20331.www2.hp.com/hpsub/downloads/cmi_whitepaper.pdf
Signed-off-by: James Seo <james@equiv.tech>
Link: https://lore.kernel.org/r/20230522115645.509701-1-james@equiv.tech
[groeck: Set error return value for intrusion writes to -EINVAL.
Always accept writes of 0 even if there was no intrusion. ]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
MAX31827 is a low-power temperature switch with I2C interface.
The device is a ±1°C accuracy from -40°C to +125°C
(12 bits) local temperature switch and sensor with I2C/SM-
Bus interface. The combination of small 6-bump wafer-lev-
el package (WLP) and high accuracy makes this temper-
ature sensor/switch ideal for a wide range of applications.
Signed-off-by: Daniel Matyas <daniel.matyas@analog.com>
Link: https://lore.kernel.org/r/20230524160131.14081-2-daniel.matyas@analog.com
[groeck: Improved define alignment, return -EINVAL after bad user input,
fixed up compatible statement]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for compatible AHT20 temperature/humidity sensor. The only
difference between the two is that AHT20 has additional crc8 byte.
It seems like AHT15 is also supported by the driver but it wasn't
verified and tested yet.
Tested on Beaglebone black rev C.
Signed-off-by: Kirill Yatsenko <kiriyatsenko@gmail.com>
Link: https://lore.kernel.org/r/20230524201912.815993-1-kiriyatsenko@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Extend aquacomputer_d5next driver to expose various hardware sensors of the
Aquacomputer Leakshield leak prevention system, which communicates
through a proprietary USB HID protocol. Implemented by Noah Bergbauer [1].
Two temperature sensors are exposed, along with pressure (current, min, max
and target), reservoir volume (total and filled), pump speed and flow. Pump
speed and flow values are user provided and allow the Leakshield to
optimize its operation. Writing them to the device is subject of future
patches.
[1] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/pull/41
Originally-from: Noah Bergbauer <main@ehvag.de>
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20230520095447.509287-3-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Move the entry for the inspur-ipsps1 driver so that it no
longer appears in the hwmon docs TOC as a document relating
to the hwmon subsystem itself.
Signed-off-by: James Seo <james@equiv.tech>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20230504075752.1320967-2-james@equiv.tech
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Only the temp sensors that I can verify are present. HWINFO in
Windows shows other accumulated data and statistics (time since
installed, total power used, etc) that I have not attempted to find.
Signed-off-by: Michael Carns <mike@carns.com>
Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Link: https://lore.kernel.org/r/20230426200345.65765-1-eugene.shalygin@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for handhelds with same EC registers
- AYANEO 2
- AYANEO GEEK
All functionality tests succeed on AYANEO 2 by "pastaq" user on Discord
and AYANEO GEEK tested by "oneoc" Discord user.
Signed-off-by: Joaquín Ignacio Aramendía <samsagax@gmail.com>
Link: https://lore.kernel.org/r/20230426184420.99945-1-samsagax@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Extend aquacomputer_d5next driver to expose various hardware sensors of the
Aquacomputer Aquastream XT watercooling pump, which communicates
through a proprietary USB HID protocol. Implemented by Leonard Anderweit
[1] [2].
Coolant temp, fan IC and external temp sensor readings are available, along
with speed and voltage of both the pump and optionally connected fan.
It also exposes pump current.
Additionally, serial number and firmware version are exposed through
debugfs.
[1] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/pull/46
[2] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/pull/49
Originally-from: Leonard Anderweit <leonard.anderweit@gmail.com>
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20230416181702.9892-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add driver for the StarFive JH71x0 temperature sensor. You
can enable/disable it and read temperature in milli Celcius
through sysfs.
Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Co-developed-by: Samin Guo <samin.guo@starfivetech.com>
Signed-off-by: Samin Guo <samin.guo@starfivetech.com>
Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
Link: https://lore.kernel.org/r/20230321022644.107027-3-hal.feng@starfivetech.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Remove description of deprecated registration functions from the hardware
monitoring kernel API documentation to help ensure that no attempts are
made to use them in new drivers.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The commit 036d6a4e75 ("ABI: sysfs-class-hwmon: add ABI documentation
for it") moved all ABI attributes to the usual ABI documentation. But this
change left a stray colon for the fan speed control method. Fix this
to avoid a confusion of readers.
Fixes: 036d6a4e75 ("ABI: sysfs-class-hwmon: add ABI documentation for it")
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/20230312155714.17290-1-stefan.wahren@i2se.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add the option to control fan PWM on Aquacomputer Aquaero. The Aquaero is
the most complex Aquacomputer device, control is therefore more complicated
then on already supported devices.
Setting PWM requires multiple steps. First, an internal static PWM
controller is set to the desired PWM value. Second, the fan is set to use
that PWM controller. Last, the minimum and maximum accepted PWM values
of the fan are set to allow all possible PWM values.
Signed-off-by: Leonard Anderweit <leonard.anderweit@gmail.com>
Link: https://lore.kernel.org/r/20230214220221.15003-7-leonard.anderweit@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The Fujitsu OEM Mainboard business was acquired by Kontron,
so the specifications of the Teutates chip was transferred to
the new Kontron FTP server.
Update the specifications website accordingly. The outdated
sensors how-to was omitted.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230226014830.10929-1-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
HWmon core receives an array of pointers to hwmon_channel_info and it
does not modify it, thus it can be array of const pointers for safety.
This allows drivers to make them also const.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
changes include:
- Some significant additions to the memory-management documentation
- Some improvements to navigation in the HTML-rendered docs
- More Spanish and Chinese translations
...and the usual set of typo fixes and such.
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Merge tag 'docs-6.3' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"It has been a moderately calm cycle for documentation; the significant
changes include:
- Some significant additions to the memory-management documentation
- Some improvements to navigation in the HTML-rendered docs
- More Spanish and Chinese translations
... and the usual set of typo fixes and such"
* tag 'docs-6.3' of git://git.lwn.net/linux: (68 commits)
Documentation/watchdog/hpwdt: Fix Format
Documentation/watchdog/hpwdt: Fix Reference
Documentation: core-api: padata: correct spelling
docs/mm: Physical Memory: correct spelling in reference to CONFIG_PAGE_EXTENSION
docs: Use HTML comments for the kernel-toc SPDX line
docs: Add more information to the HTML sidebar
Documentation: KVM: Update AMD memory encryption link
printk: Document that CONFIG_BOOT_PRINTK_DELAY required for boot_delay=
Documentation: userspace-api: correct spelling
Documentation: sparc: correct spelling
Documentation: driver-api: correct spelling
Documentation: admin-guide: correct spelling
docs: add workload-tracing document to admin-guide
docs/admin-guide/mm: remove useless markup
docs/mm: remove useless markup
docs/mm: Physical Memory: remove useless markup
docs/sp_SP: Add process magic-number translation
docs: ftrace: always use canonical ftrace path
Doc/damon: fix the data path error
dma-buf: Add "dma-buf" to title of documentation
...
Even though the hardware monitoring documentation already stated that new
drivers should use [devm_]devm_hwmon_device_register_with_info() to
register with the hardware monitoring subsystem, we still get submissions
for new drivers using the older APIs. There is no benefit to use those
APIs. On the contrary, using the older APIs results in substantially larger
code size. Explicitly deprecate [devm_]hwmon_device_register_with_groups()
to ensure that all new drivers use the latest API.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Extend aquacomputer_d5next driver to expose various hardware sensors of the
Aquacomputer Aquastream Ultimate watercooling pump, which communicates
through a proprietary USB HID protocol.
Coolant temp and external temp sensor readings are available, along with
speed, power, voltage and current of both the pump and optionally connected
fan. It also exposes pressure and flow speed readings.
Additionally, serial number and firmware version are exposed through
debugfs.
Tested by a user on Github [1].
[1] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/issues/50
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20230203120324.579808-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Extend aquacomputer_d5next driver to expose the temp sensor of the
Aquacomputer Poweradjust 3 fan controller, which communicates
through a proprietary USB HID protocol.
The Poweradjust 3 is not currently known to expose firmware version
and serial number, so don't create debugfs entries if their values
can't be retrieved.
Tested by a user on Github [1].
[1] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/issues/57
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20230131101210.8095-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Updated the driver documentation to list all current chips and
describe the module parameters as per descriptions in the code.
Signed-off-by: Frank Crawford <frank@crawford.emu.id.au>
Link: https://lore.kernel.org/r/20230128060308.1549707-8-frank@crawford.emu.id.au
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
From programming perspective, MAX16600 is identical to MAX16601 and
MAX16602. Add support for it.
Cc: Steve Foreman <foremans@google.com>
Cc: Holly Barrett <holly.barrett@analog.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Replace the nonstandard fanX_source attributes with the standardized
pwmX_auto_channels_temp attributes and document the special behaviour
associated with those attributes.
Tested on a Fujitsu DS3401-B1.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230105225107.58308-3-W_Armin@gmx.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The GXP SoC can support up to 16 fans through the interface provided by
the CPLD. The current support is limited to 8 fans. The fans speeds are
controlled via 8 different PWMs which can vary in value from 0-255. The
fans are also capable of reporting if they have failed to the CPLD which
in turn reports the status to the GXP SoC.
Signed-off-by: Nick Hawkins <nick.hawkins@hpe.com>
Link: https://lore.kernel.org/r/20230103203654.59322-2-nick.hawkins@hpe.com
[groeck: Improved alignment of defined, added missing include linux/bits.h]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for reading four calculated virtual temp sensors on the
Aquacomputer Aquaero. Values of these sensors are calculated on the
device itself based on what the user configured in the official software.
Configuring these sensors is not currently reverse engineered.
Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20230101190056.1357124-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for the AYANEO AIR and AYANEO AIR Pro models of handheld
devices. These devices use the same EC registers and logic as the One X
Player mini AMD. Previous AYANEO models are not supported as they use a
different EC and do not have the necessary fan speed write enable and
setting registers. The driver is tested on AYANEO AIR while AIR Pro model
EC functionality and DMI data were verified using command line tools by
another user.
Add:
- AYANEO AIR (AMD 5560U)
- AYANEO AIR Pro (AMD 5560U)
- AYANEO AIR Pro (AMD 5825U)
While at it, fix spelling error (appart -> apart).
Link: https://lore.kernel.org/r/20221229025609.147482-1-derekjohn.clark@gmail.com
Signed-off-by: Derek J. Clark <derekjohn.clark@gmail.com>
[groeck: Sanitize commit description]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Linus Torvalds