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hwmon: Add Asus ATK0110 support

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Asus boards have an ACPI interface for interacting with the hwmon (fan,
temperatures, voltages) subsystem; this driver exposes the relevant
information via the standard sysfs interface.

There are two different ACPI interfaces:
- an old one (based on RVLT/RFAN/RTMP)
- a new one (GGRP/GITM)
Both may be present but there a few cases (my board, sigh) where the
new interface is just an empty stub; the driver defaults to the old one
when both are present.
The old interface has received a considerable testing, but I'm still
awaiting confirmation from my tester that the new one is working as
expected (hence the debug code is still enabled).

Currently all the attributes are read-only, though a (partial) control
should be possible with a bit more work.

Signed-off-by: Luca Tettamanti <kronos.it@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Luca Tettamanti 2009-04-07 15:32:59 +02:00 committed by Jean Delvare
parent 797eaa4b02
commit 2c03d07ad5
5 changed files with 1023 additions and 4 deletions
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3
drivers/acpi/acpica/nsxfeval.c
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@ -53,7 +53,6 @@ ACPI_MODULE_NAME("nsxfeval")
/* Local prototypes */
static void acpi_ns_resolve_references(struct acpi_evaluate_info *info);
#ifdef ACPI_FUTURE_USAGE
/*******************************************************************************
*
* FUNCTION: acpi_evaluate_object_typed
@ -147,7 +146,7 @@ acpi_evaluate_object_typed(acpi_handle handle,
}
ACPI_EXPORT_SYMBOL(acpi_evaluate_object_typed)
#endif /* ACPI_FUTURE_USAGE */
/*******************************************************************************
*
* FUNCTION: acpi_evaluate_object

12
drivers/hwmon/Kconfig
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@ -248,6 +248,18 @@ config SENSORS_ASB100
This driver can also be built as a module. If so, the module
will be called asb100.
config SENSORS_ATK0110
tristate "ASUS ATK0110 ACPI hwmon"
depends on X86 && ACPI && EXPERIMENTAL
help
If you say yes here you get support for the ACPI hardware
monitoring interface found in many ASUS motherboards. This
driver will provide readings of fans, voltages and temperatures
through the system firmware.
This driver can also be built as a module. If so, the module
will be called asus_atk0110.
config SENSORS_ATXP1
tristate "Attansic ATXP1 VID controller"
depends on I2C && EXPERIMENTAL

1
drivers/hwmon/Makefile
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@ -32,6 +32,7 @@ obj-$(CONFIG_SENSORS_ADT7475) += adt7475.o
obj-$(CONFIG_SENSORS_APPLESMC) += applesmc.o
obj-$(CONFIG_SENSORS_AMS) += ams/
obj-$(CONFIG_SENSORS_ATK0110) += asus_atk0110.o
obj-$(CONFIG_SENSORS_ATXP1) += atxp1.o
obj-$(CONFIG_SENSORS_CORETEMP) += coretemp.o
obj-$(CONFIG_SENSORS_DME1737) += dme1737.o

1009
drivers/hwmon/asus_atk0110.c Normal file
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File diff suppressed because it is too large Load Diff

2
include/acpi/acpixf.h
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@ -191,14 +191,12 @@ acpi_evaluate_object(acpi_handle object,
struct acpi_object_list *parameter_objects,
struct acpi_buffer *return_object_buffer);
#ifdef ACPI_FUTURE_USAGE
acpi_status
acpi_evaluate_object_typed(acpi_handle object,
acpi_string pathname,
struct acpi_object_list *external_params,
struct acpi_buffer *return_buffer,
acpi_object_type return_type);
#endif
acpi_status
acpi_get_object_info(acpi_handle handle, struct acpi_buffer *return_buffer);