hwmon: (nct6775) Fix temp array overflow

With the addition of tempX_crit, there are four sets of temperature values
in the temp[][] array, but it was declared with a size of three. Fix it.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Update README

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

REG_PWM_TEMP is not used, drop it.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

cosmetic: Formatting change

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Add missing break statement

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Improve error return from clear_caseopen

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

implement pwmX_step_enable

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Implement superio access locking

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Replace __initdata with __initconst

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Clean up probe function: Use devm_request_region

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Fix various registers for NCT6779

Also always display all VINx and AUXTINx channels, since we can not be sure
what is really enabled/used.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Remove temp11..temp15, and modify pwm temp source selection

It does not provide real value as temperatures are already reported.
Select pwm* temperature source index values based on tempX attributes
instead of chip values to make the pwm temperature source selection
more generic.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Add support for critical temperature on PECI sources

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Alternate temp registers only needed locally

thus remove persistent pointer and use a local variable instead

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Some minor fan related cleanup

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Revert "All NCT677X chips support RPM registers, so read the RPM directly"

This reverts commit d82b291af288a77835721c2792bbf1478cd25a58.

Sounded like a good idea, but NCT6776 returns an RPM > 0 even
if no fan is connected.

All NCT677X chips support RPM registers, so read the RPM directly

This is simpler than reading the fan count register and calculating RPM from it.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

nct6779: Fix vinX_min and vinX_max for in9..in14.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Fix number of temp registers for NCT6779

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Temperature source selection fixes

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

NCT6779 supports fan3min and fan4min.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Fix fan count registers for NCT6779

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Update debug message for invalid source register

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Check for invalid temperature source

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Minor cosmetic cleanup

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Auso-generate have_in bit mask

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Fix size of NCT6775_REG_TEMP_ALTERNATE array

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Fix checkpatch warnings

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Fix temp10_max_hyst

temp9_max_hyst was defined twice, and temp10_max_hyst was missing

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Update some NCT6779 registers

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Reset caseopen clear bit after setting it

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Convert status (alarm) register accesses to indexed mode

This enables support for different status register (alarm) bit maps.

Also convert caseopen status access to use real-time status register bits
instead of interrupt bits.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Add NCT6776F usage note

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Define TESTING flag, remove debug output

Only support alternate temperature registers if TESTING is enabled.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Add support for more temperatures

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Fix maximum temperature source index

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Update README

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Find additonal temp registers and enable monitoring if possible

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Add support for max_output and step_output, and re-enable SmartFan III support on NCT6775

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Add support for pwmX_stop_output_enable

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Add support for fixed temperature registers supported by NCT6779D

NCT6779D supports a fixed set of temperature registers in addition to the
registers with dymanically configured source. Add support for it.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Refactor code to allow up to 6 fixed temperature sources

Support SYSTIN, CPUTIN, AUXTIN0..3 (for NCT6779D)

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Distinguish thermal temp diode / diode (types 1, 3)

Make diode type configurable.
Assign first three sensors to fixed types (SYSTIN, CPUTIN, AUXTIN).
Dynamic types start from index 4.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Coding style cleanup

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Convert REG_CONFIG to pointer

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Convert REG_VBAT to pointer

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Weight register support

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

lots of weight related and other changes

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Add support for temp offset register, and secondary pwm temp source register

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Add support for temperature offset register / attributes

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Prepare for NCT6102/6106

Convert direct register accesses to chip type indexed accesses
Convert macro generated functions to real functions

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Driver should not rely or depend on setting platform_drvdata to NULL

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

fix some array sizes

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Add attributes to set pwm temperature source

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

rework temperature display

temp[1..6] now always display SMIOVT[1..6] monitoring sources.
temp[7..11] displays fan control temperature sources.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Drop support for SmartFan III

It only exists on NCT6775. Supporting it only makes the driver more complex
for little value.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Add capability to turn fan control off (set max speed)

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

fix ABI (hysteresis -> temp_hyst)

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Update README to reflect that ABI is not final.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Add README

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Replace tolerance with auto_point_hysteresis attributes

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

nct6775: initial version

Signed-off-by: Guenter Roeck <linux@roeck-us.net>