CVS log for src/sys/dev/acpi/acpi_util.h

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- Handle dtlink in acpi_pack_compat_list().
- Don't pass the _HID value as the device name; always use the ACPI
  node name.

Change the devhandle_from_*() functions to also take a "super handle",
from which the newly created handle will inherit it's implementation.
The root implementation for a new handle type is used if an invalid
"super handle" is passed.

acpi: Add helper for querying DSM function 0.

acpi: Add acpi_dsd_bool helper

Sync with HEAD.

ACPI device handle implementation.

Add a device_t parameter to acpi_enter_i2c_devs. If non-NULL, all child
acpi_devnodes will be claimed by that device so we don't later try to
attach a duplicate device to that node at acpinodebus.

- Add a new routine, acpi_pack_compat_list(), that packs the _HID
  and _CID device ID strings into an OpenFirmware-like string list,
  analogous to how the "compatible" property is represented in
  OpenFirmware and the Device Tree specifications.
- Add generic routines for evaluating Device Specific Methods (_DSM).

Merge changes from current as of 20200406

Add support for reading _DSD string property values.

Sync with HEAD

Sync with HEAD, resolve a few conflicts

Add acpi_dsd_integer, which reads an integer value from an ACPI 5.0 _DSD
key/value package list.

Sync with head

Add helper function to match a PCI-defined class/subclass/interface
against a _CLS object.

Catchup with rmind-uvmplock merge.

Rename acpi_get_node() to acpi_match_node() for consistency.

Add two new functions, acpi_match_cpu_info() and acpi_match_cpu_handle(),
which will match a given struct cpu_info with the corresponding ACPI handle,
and vice versa.

Sync with HEAD.

sync with head.

sync with head

file acpi_util.h was added on branch yamt-nfs-mp on 2010-08-11 22:53:16 +0000

Use the new ACPICA functions AcpiAttachData() and AcpiGetData() to associate
all "struct acpi_devnodes" to their corresponding ACPI_HANDLEs. Anywhere in
the acpi(4) subtree, the node-structure can be obtained from a handle via
acpi_get_node(). The idea is similar to e.g. device_private().

Benefits: (a) simplifies code, (b) avoids issues with locking as ACPICA does
the serialization for us, (c) avoids the need to access the glocal softc, and
(d) avoids the O(n) loop required to search for a handle from the node queue.

sync with head

Sync with HEAD.

file acpi_util.h was added on branch rmind-uvmplock on 2010-05-30 05:17:17 +0000

file acpi_util.h was added on branch uebayasi-xip on 2010-04-30 14:43:06 +0000

Add utility function acpi_get_node().

This retrieves a struct acpi_devnode from a handle. Since this requires
accessing the global softc, it is better to do it in one place alone. The
same goes for possible locking of the node-queue; it is better not to
publicize such a lock for generic device drivers.

Reorganize the main file: add several missing prototypes, move the functions
around so that they appear in their logical order and place, etc. In
addition, split the utility functions to a separate file.

No functional change. Ok jmcneill@.