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009f429f6b
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200719180521.60811-1-grandmaster@al2klimov.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
100 lines
3.6 KiB
ReStructuredText
100 lines
3.6 KiB
ReStructuredText
Kernel driver ina209
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====================
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Supported chips:
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* Burr-Brown / Texas Instruments INA209
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Prefix: 'ina209'
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Addresses scanned: -
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Datasheet:
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https://www.ti.com/lit/gpn/ina209
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Author:
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- Paul Hays <Paul.Hays@cattail.ca>
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- Ira W. Snyder <iws@ovro.caltech.edu>
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- Guenter Roeck <linux@roeck-us.net>
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Description
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-----------
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The TI / Burr-Brown INA209 monitors voltage, current, and power on the high side
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of a D.C. power supply. It can perform measurements and calculations in the
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background to supply readings at any time. It includes a programmable
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calibration multiplier to scale the displayed current and power values.
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Sysfs entries
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-------------
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The INA209 chip is highly configurable both via hardwiring and via
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the I2C bus. See the datasheet for details.
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This tries to expose most monitoring features of the hardware via
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sysfs. It does not support every feature of this chip.
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======================= =======================================================
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in0_input shunt voltage (mV)
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in0_input_highest shunt voltage historical maximum reading (mV)
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in0_input_lowest shunt voltage historical minimum reading (mV)
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in0_reset_history reset shunt voltage history
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in0_max shunt voltage max alarm limit (mV)
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in0_min shunt voltage min alarm limit (mV)
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in0_crit_max shunt voltage crit max alarm limit (mV)
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in0_crit_min shunt voltage crit min alarm limit (mV)
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in0_max_alarm shunt voltage max alarm limit exceeded
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in0_min_alarm shunt voltage min alarm limit exceeded
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in0_crit_max_alarm shunt voltage crit max alarm limit exceeded
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in0_crit_min_alarm shunt voltage crit min alarm limit exceeded
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in1_input bus voltage (mV)
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in1_input_highest bus voltage historical maximum reading (mV)
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in1_input_lowest bus voltage historical minimum reading (mV)
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in1_reset_history reset bus voltage history
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in1_max bus voltage max alarm limit (mV)
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in1_min bus voltage min alarm limit (mV)
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in1_crit_max bus voltage crit max alarm limit (mV)
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in1_crit_min bus voltage crit min alarm limit (mV)
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in1_max_alarm bus voltage max alarm limit exceeded
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in1_min_alarm bus voltage min alarm limit exceeded
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in1_crit_max_alarm bus voltage crit max alarm limit exceeded
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in1_crit_min_alarm bus voltage crit min alarm limit exceeded
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power1_input power measurement (uW)
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power1_input_highest power historical maximum reading (uW)
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power1_reset_history reset power history
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power1_max power max alarm limit (uW)
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power1_crit power crit alarm limit (uW)
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power1_max_alarm power max alarm limit exceeded
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power1_crit_alarm power crit alarm limit exceeded
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curr1_input current measurement (mA)
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update_interval data conversion time; affects number of samples used
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to average results for shunt and bus voltages.
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======================= =======================================================
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General Remarks
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---------------
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The power and current registers in this chip require that the calibration
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register is programmed correctly before they are used. Normally this is expected
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to be done in the BIOS. In the absence of BIOS programming, the shunt resistor
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voltage can be provided using platform data. The driver uses platform data from
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the ina2xx driver for this purpose. If calibration register data is not provided
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via platform data, the driver checks if the calibration register has been
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programmed (ie has a value not equal to zero). If so, this value is retained.
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Otherwise, a default value reflecting a shunt resistor value of 10 mOhm is
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programmed into the calibration register.
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Output Pins
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-----------
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Output pin programming is a board feature which depends on the BIOS. It is
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outside the scope of a hardware monitoring driver to enable or disable output
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pins.
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