CVS log for src/sys/arch/sparc64/dev/pcf8591_envctrl.c

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Keyword substitution: kv
Default branch: MAIN

Port over the changes from thorpej-i2c-spi-conf to thorpej-i2c-spi-conf2,
which is based on a newer HEAD revision.

- Move all of the stuff-missing-from-OFW-device-tree stuff into a
  new function sparc64_device_tree_fixup(), and call it from
  device_register().
- sparc64_device_tree_fixup() is table-driven, selecting the table
  based on the machine_model.  It can appy "dtnode" fixups (by matching
  the device's OFW path) and "special" fixups, which are especially
  useful when a property needs to be added to another device that happens
  to not be in the OFW device tree.
- Implement enumeration of missing-from-OFW-device-tree i2c devices
  by "sub-classing" the controller's device handle, intercepting the
  "i2c-enumerate-devices" device call.  We let the "super" first
  enumerate any i2c devices that are in the OFW device tree, and then
  enumerate our own additions after that is done.  i2c additions are
  provided by the machine_model fixup tables.

Sync with HEAD.

Use DEVICE_COMPAT_EOL.

Since we're using designated initialisers for compat data, we should
use a completely empty initializer for the sentinel.

Use designated initializers and a consistent termination style in
compat_data[].

Sync w/ HEAD.

Rename the CPU fan to SYS fan to match what the firmware calls it.
Check for fan failure and high temperature events when setting the fan
speed.  If one or both is true, run the fans at full speed.

For the E250:
  set fans to medium speed when attaching and full speed when detaching.
  remove unused PS fan definition.
In general:
  return early from attach if the device isn't present.
  handle errors from sysmon during attach so that detach doesn't crash.
  try to handle errors when acquiring the iic bus during detach.

Sync w/ HEAD.

Add some debugging output to check sensor addition and refresh.

Don't read from the chip when matching, fail the attach instead (requested
by jmcneill).  Reverts previous.
While here, handle errors attaching sysmon and acquiring the iic bus lock.

When matching, try a read in case this is an optional device and isn't
actually present.

Call sysmon_envsys_unregister() not sysmon_envsys_destroy() when
detaching.  Pointed out by Michael van Elst.

Add support for automatically changing the CPU fan speed on the E250 in a
similar way to the SB1000/SB2000.
The fan control information was determined by experiment, as it's only
partially available in OFW.
Hardcode the missing information for E250 fan control into the driver
(it should be possible to support the E450 in future too).

Sync with HEAD

In my quest to make device_compatible_entry (and associated goo)
super-general, it turns out I also made it a little to cumbersome
to use (if my tired fingers are any indication).  So, this is a
course-correction -- one string per entry (like of_compat_data,
which it will soon replace), and remove the over-verbose macros.

Sync with HEAD

- Rename iic_compat_match() to iic_compatible_match() and change it
  to use the new device_compatible_match() routine.  A pointer to
  the matching device_compatible_entry is returned if a match is
  found.
- Adjust iic_use_direct_match() accordingly.
- i2c drivers now provide device_compatible_entry tables when performing
  direct-config matching.
- In the dsrtc driver, take advantage of this new capability to greatly
  simplify model selection.

(I'm coming for you next, of_compat_data...)

More cleanup to i2c autoconfiguration:

- Get all of the drivers onto the new match quality constants.
- Introduce a new helper function, iic_use_direct_match(), that has
  all of the logic for direct-config matching.  If it returns true,
  the driver returns the match result (which may be 0).  If it returns
  false, the driver does indirect-config matching.
- iic_compat_match() now returns a weighted match quality; matches to
  lower-indexed "compatible" device property are more-specific matches,
  and return a better match quality accordingly.

sync with head

sync to latest -current.

add missing __KERNEL_RCSID().

Catchup with rmind-uvmplock merge.

Initialize sensor states before registering.

Sync with HEAD.

sync with head

Remove ENVSYS_FMONNOTSUPP, so that we can monitor this sensor.

Sync with HEAD.

sync with head

file pcf8591_envctrl.c was added on branch uebayasi-xip on 2010-04-30 14:39:51 +0000

file pcf8591_envctrl.c was added on branch yamt-nfs-mp on 2010-03-11 15:03:00 +0000

dmesg cosmetics

Set the FMONNOTSUPP flag for each individual sensor, and add the
FMONLIMITS flag so the sensor is actually monitored and events can
be generated.

As discussed with martin@ in private email.

Remove the envctrl driver, it is superseeded by the more general pcfiic @
ebus. Add the SB1000/SB2000 fan controll driver (tda). From OpenBSD.
Move config files over to direct configuration of i2c devices.