Michael Hennerich [Wed, 18 May 2011 13:42:04 +0000 (14:42 +0100)]
staging:iio:meter:
ade7758: Fix timing on SPI read accessor functions.
According to the
ADE7758 datasheet the minimum time between read command
(that is, a write to communication register) and data read must not be
less than 4us.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Michael Hennerich [Wed, 18 May 2011 13:42:03 +0000 (14:42 +0100)]
staging:iio:meter:
ade7758: Update trigger to the new API
Update trigger to the new API.
Add file comment/license header.
Some backporting needed to keep the driver building all the way
through the core changes.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Michael Hennerich [Wed, 18 May 2011 13:42:02 +0000 (14:42 +0100)]
staging:iio: Add channel types IIO_CURRENT and IIO_POWER.
This is required for the
ADE7758 driver cleanup.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Michael Hennerich [Wed, 18 May 2011 13:42:01 +0000 (14:42 +0100)]
staging:iio:adc:ad7606: Use private data space from iio_allocate_device
Trivial backport done by Jonathan Cameron
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Michael Hennerich [Wed, 18 May 2011 13:42:00 +0000 (14:42 +0100)]
staging:iio:adc:ad7606 Convert to new channel registration method Update Add missing call to iio_trigger_notify_done() Set pollfunc top and bottom half handler
V3: rebase fixup.
Backported to relevant merge point by Jonathan Cameron.
V2: IIO_CHAN macro usage update
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:59 +0000 (14:41 +0100)]
staging:iio:gyro:adis16260 move to chan_spec based setup.
For clean drivers its easier to convert to chan_spec based
registration than to work around the scan_el attributes
going away.
Some minor cleanups done whilst here.
Untested.
V3: rebase fixup and make attribute_group static.
V2: IIO_CHAN macro updates.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:58 +0000 (14:41 +0100)]
staging:iio:accel:adis16240 move to chan_spec based setup.
For clean drivers its easier to convert to chan_spec based
registration than to work around the scan_el attributes
going away.
Some minor cleanups done whilst here.
Untested.
V2: IIO_CHAN macro use updated.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:57 +0000 (14:41 +0100)]
staging:iio: Add chan info support for 'peak_raw' attributes.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:56 +0000 (14:41 +0100)]
staging:iio:accel: lis3l02dq add writing for calibscale and calibbias.
This was missed out in original chan_spec conversion.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Michael Hennerich [Wed, 18 May 2011 13:41:55 +0000 (14:41 +0100)]
staging:iio:adc:ad7298: Convert to new channel registration method
Convert to new channel registration method Update
Add missing call to iio_trigger_notify_done()
Backported to a point that will allow the driver to build all the
way through the series.
V2: IIO_CHAN macro usage updated.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:54 +0000 (14:41 +0100)]
staging:iio:adc:ad799x removed unused headers.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Michael Hennerich [Wed, 18 May 2011 13:41:53 +0000 (14:41 +0100)]
staging:iio:adc:ad799x: Use private data space from iio_allocate_device
Use private data space from iio_allocate_device
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Michael Hennerich [Wed, 18 May 2011 13:41:52 +0000 (14:41 +0100)]
staging:iio:adc:ad799x: Convert to new channel registration method.
Convert to new channel registration method
Update copyright header
Add missing call to iio_trigger_notify_done()
V2: IIO_CHAN macro updates
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Michael Hennerich [Wed, 18 May 2011 13:41:51 +0000 (14:41 +0100)]
staging:iio:adc:ad7887: Use private data space from iio_allocate_device
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Michael Hennerich [Wed, 18 May 2011 13:41:50 +0000 (14:41 +0100)]
staging:iio:adc:ad7887: Convert to new channel registration method.
Convert to new channel registration method
Update / change license copyright header
Add missing call to iio_trigger_notify_done()
V2: use IIO_CHAN macro.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:49 +0000 (14:41 +0100)]
staging:iio:accel:adis16209 move to chan_spec based setup.
For clean drivers its easier to convert to chan_spec based
registration than to work around the scan_el attributes
going away.
Some minor cleanups done whilst here.
Untested.
V2: IIO_CHAN macro used.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:48 +0000 (14:41 +0100)]
staging:iio:accel:adis16204 move to chan_spec based setup.
For clean drivers its easier to convert to chan_spec based
registration than to work around the scan_el attributes
going away.
Some minor cleanups done whilst here.
Untested.
V2: used IIO_CHAN macro
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:47 +0000 (14:41 +0100)]
staging:iio:accel:adis16203 move to chan_spec based setup.
Mainly motivated by wish to remove the remaing users of the
scan helpers.
Some minor cleanups done whilst here.
Untested.
V2: Use IIO_CHAN macro
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:46 +0000 (14:41 +0100)]
staging:iio:accel:adis16201 move to chan_spec based setup.
Mainly motivated by wish to remove the remaing users of the
scan helpers.
Some minor cleanups done whilst here.
Untested.
V2: IIO_CHAN macro used.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:45 +0000 (14:41 +0100)]
staging:iio:light:tsl2563: chan_spec based channel setup.
Makes a small interface change by splitting event _en attr
in two.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:44 +0000 (14:41 +0100)]
staging:iio: use the new central name attribute creation code
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:43 +0000 (14:41 +0100)]
staging:iio: Add core attribute handling for name of device.
Saves on a fair bit of code replication.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:42 +0000 (14:41 +0100)]
staging:iio:trigger remove legacy pollfunc elements.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:41 +0000 (14:41 +0100)]
staging:iio:gyro:adis16260 move to irqchip based trigger handling.
Untested.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:40 +0000 (14:41 +0100)]
staging:iio:adc:ad799x move to irqchip based trigger handling.
Untested. Also cleared out last_timestamp as it isn't used anywhere.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:39 +0000 (14:41 +0100)]
staging:iio:adc:ad7887 move to irqchip based trigger handling.
Untested.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:38 +0000 (14:41 +0100)]
staging:iio:adc:ad7606 conversion to irq_chip based polling.
I'm far from sure what the best way to handle this particular
part is, so have (I think) done the absolute minimum to change
it to the new interface.
V2: Trivial constification of device name.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:37 +0000 (14:41 +0100)]
staging:iio:adc:ad7298 move to irqchip based trigger handling.
Untested. This one is of a different form, so worth a closer look than
the previous incredibly similar patches (which were based on the
adis16400 that I have tested).
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:36 +0000 (14:41 +0100)]
staging:iio:accel:adis16240 move to irqchip based trigger handling.
Untested.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:35 +0000 (14:41 +0100)]
staging:iio:accel:adis16209 move to irqchip based trigger handling.
Untested.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:34 +0000 (14:41 +0100)]
staging:iio:accel:adis16204 move to irqchip based trigger handling.
Untested.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:33 +0000 (14:41 +0100)]
staging:iio:accel:adis16203 move to irqchip based trigger handling.
Untested.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:32 +0000 (14:41 +0100)]
staging:iio:accel:adis16201 move to irqchip based trigger handling.
Untested.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:31 +0000 (14:41 +0100)]
staging:iio:imu remove adis16300 driver.
Support is now provided by the unified adis16400 driver.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:30 +0000 (14:41 +0100)]
staging:iio:imu:adis16400 add support for adis16300
Next patch will remove original driver.
Note this leaves holes in the scan indexing.
Untested - except via adis16350...
V3: rebase fixup.
V2: move to single IIO_CHAN macro.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:29 +0000 (14:41 +0100)]
staging:iio:imu remove old adis16350. Support now in adis16400 driver.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:28 +0000 (14:41 +0100)]
staging:iio:imu:adis16350 etc support into adis16400 driver.
Next patch will remove the current adis16350 driver.
These should have been merged a long time ago, but there we are.
V3: rebase fixup + add missing extend_name for supply on adis16350
V2: Move to single IIO_CHAN macro + use the new extend_name
to make the naming of the temperature sensors contain x, y, z
rather than messing with modifiers. This a very weird case
and I don't want temperature to use axial modifiers.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:27 +0000 (14:41 +0100)]
staging:iio:imu:adis16400 move to irq based triggers and channel spec channel registration.
V2: rebase fixup.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:26 +0000 (14:41 +0100)]
staging:iio:meter:
ade7758 move to irqchip based trigger handling.
Untested
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:25 +0000 (14:41 +0100)]
staging:iio:adc:ad7476 move to irqchip based triggering
Untested
V2: Fixed missing free of pollfunc->name pointed out by
Michael Hennerich.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:24 +0000 (14:41 +0100)]
staging:iio:adc:ad7476 use channel_spec
V3: Trivial rebase fixup.
V2: Move to new single IIO_CHAN macro.
Done without hardware.
Fix from Michael Hennerich incorporated to use
iio_ring_buffer_register_ex instead of
iio_ring_buffer_register and thus actually make it work.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:23 +0000 (14:41 +0100)]
staging:iio:adc:max1363 move to irqchip based threaded irq triggering
V2: Fixed missing free of pollfunc->name as pointed out by
Michael Hennerich.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:22 +0000 (14:41 +0100)]
staging:iio:accel:lis3l02dq move to threaded trigger handling.
V2: Cleaned up handling of name string.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:21 +0000 (14:41 +0100)]
staging:iio: add generic data ready poll function.
This case is extremely common, so let us only have the one
copy.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:20 +0000 (14:41 +0100)]
staging:iio:ring_sw add function needed for threaded irq.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:19 +0000 (14:41 +0100)]
staging:iio:Documentation generic_buffer.c update to new abi for buffers + misc fixes
Trivial space before newline fix incorporated.
Additional fixes related to handling of sign extension and shifted
data.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
squash into buffer handling update.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:18 +0000 (14:41 +0100)]
staging:iio: Add infrastructure for irq_chip based triggers
V3: Get rid of separate interrupt pool. This is well handled
by irq_get_descs and irq_free_descs. Two functions I simply
wasn't aware of previously. Thus the allocation for a given
trigger is now handled by core code rather than us reinventing
the wheel.
V2: Stop silly name duplication.
Move pool handling to industrialio-trigger as that is the only user.
Changed over to using irq_modify_status rather than the arm
specific set_irq_flags as per Thomas Gleixner's suggestion.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:17 +0000 (14:41 +0100)]
staging:iio:accel:lis3l02dq make threshold interrupt threaded.
We have moved the timestamp acquisition into the bottom half. It may
technically be less accurate but for this device I very much doubt
anyone cares!
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:16 +0000 (14:41 +0100)]
staging:iio: Remove legacy event handling.
This requires all drivers using the channel registration code and
events to change in one go.
V3: remove unwanted irq enable from event handler.
V2: rebase related fixes to move to new IIO_CHAN macro. All trivial.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:15 +0000 (14:41 +0100)]
staging:iio:adc:ad799x move to new event handling
Untested.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:14 +0000 (14:41 +0100)]
staging:iio:adc:ad7314 remove unmatched unregister of event line.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:13 +0000 (14:41 +0100)]
staging:iio:adt7310 move to current event handling
Another driver that has two event lines, but pushes all events out
the same chrdev. Probably needs a rethink.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:12 +0000 (14:41 +0100)]
staging:iio:adc:adt7410 move to current event handling
This device actually has a pair of interrupts. The code basically ignores
that and feeds them both to the same handlers. I'm not sure if that is
the right thing to do, but the updated code should do exactly the same.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:11 +0000 (14:41 +0100)]
staging:iio:ad7291 move from old event system to current.
This driver needed some tender loving care. It still does.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:10 +0000 (14:41 +0100)]
staging:iio:adc:adt75 old to new event handling conversion
Another one where the events are 'unusual'. Still left sorting
that out for another day.
Untested changes
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:09 +0000 (14:41 +0100)]
staging:iio:adc:ad7152 remove unregister of interrupt line.
a) This interface is going away
b) There is no matching register call so looks like a cut and paste
error
Trivial sparse warning fix.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:08 +0000 (14:41 +0100)]
staging:iio:adc:ad7150 move from deprecated event handling plus remove irq as gpio requirement.
Another driver with some very 'non standard' magic event codes.
Again I've left it be for now and merely moved it to the new
api.
There is no reason why the irq in this driver ever had to be a gpio.
Scrap that test and clean out unecessary headers.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:07 +0000 (14:41 +0100)]
staging:iio:adc:ad7816 move from old to current event handling.
I'm not sure what the event is and am very much against the dodgy
hack to give it a code. However for now, lets just stop it using
the deprecated core handling so we can move on.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:06 +0000 (14:41 +0100)]
staging:iio:adc:ad7745 move from old to current event handling.
Nice simple one. Not sure we actually want devices outputting
datardy signals like that, but I'll leave it for now.
Cleaned up some unneeded functions whilst here.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:05 +0000 (14:41 +0100)]
staging:iio:adt7316 get rid of legacy event handling code.
Note this driver is still a long way from being abi compliant.
What I have done here cleans up a few corners, but primarily gets
it away from using the infrastructure that is going away.
Untested
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:04 +0000 (14:41 +0100)]
staging:iio:dac:ad5504 move from old to new event handling.
Untested, but fairly trivial change here.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:03 +0000 (14:41 +0100)]
staging:iio:light:tsl2563 remove old style event registration.
Untested.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:02 +0000 (14:41 +0100)]
staging:iio:buffering remove unused parameter dead_offset from read_last_n in all buffer implementations.
This element has been usused by the core for quite some time. sca3000 set it none the less
until the rewrite in the previous patch (and hence didn't work).
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:01 +0000 (14:41 +0100)]
staging:iio:sca3000 extract old event handling and move to poll for events from buffer
Fairly substantial rewrite as the code had bitrotted.
A rethink is needed for how to handle variable types in the new chan_spec world.
This patch restores sca3000 buffer usage to a working state.
V3: Rebase fixups.
V2: Move to new version of IIO_CHAN macro
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:41:00 +0000 (14:41 +0100)]
staging:iio: lis3l02dq - separate entirely interrupt handling for thesholds from that for the datardy signal.
This removes the one and only real user of the rather complex event list management.
V3: More trivial rebase fixups.
V2: Trivial rebase fixup.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:40:59 +0000 (14:40 +0100)]
staging:iio: Push interrupt setup down into the drivers for event lines.
It is much easier to do in driver, and the core does not add much.
Note all drivers will have to be updated with this patch.
None currently are.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:40:58 +0000 (14:40 +0100)]
staging:iio:lis3l02dq: General cleanup
As Arnd observed, things are clearner if we pass iio_dev into read and write fucntions.
Now uses st for lis3l02dq_state everywhere.
Other bits of trivial tidying.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:40:57 +0000 (14:40 +0100)]
staging:iio: Buffer device flattening.
Given we now only have one device we don't need the extra layer any more.
Hence this patch removes it.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:40:56 +0000 (14:40 +0100)]
staging:iio: remove legacy event chrdev for the buffers
part of sca3000 driver temporarily disabled (buffer won't run
anyway). This section is replaced later in this patch set.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:40:55 +0000 (14:40 +0100)]
staging:iio: Add polling of events on the ring access chrdev.
Staging one of combining the ring chrdevs.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:40:54 +0000 (14:40 +0100)]
staging:iio: remove ability to escalate events.
Whilst it is possible to output events to say buffers have passed
a particular level there are no obvious reasons to actually do so.
The upshot of this patch is that buffers will only ever have
one threshold turned on at a time.
For now sca3000 has it's ring buffer effectively disabled.
Fixed later in series.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:40:53 +0000 (14:40 +0100)]
staging:iio:max1363 - move to channel_spec registration.
V3: move to single chan registration macro. Also introduce some
local macros to greatly reduce code length when setting up the
chan_spec arrays for all the different devices.
V2: update read_raw for two value approach.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:40:52 +0000 (14:40 +0100)]
staging:iio:lis3l02dq - move to new channel_spec approach.
V3: Move to single IIO_CHAN macro.
V2: Update to two part read_raw value.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jonathan Cameron [Wed, 18 May 2011 13:40:51 +0000 (14:40 +0100)]
staging:iio: allow channels to be set up using a table of iio_channel_spec structures.
V8: Add missing address in IIO_CHAN macro. Spotted by Michael Hennerich.
V7: Document additions to iio_dev structure.
V6: Fixup the docs for iio_chan_spec structure.
V5: Actually have the macro handle the _input type channels (oops)
V4: Add ability to do, _input and modified channel naming in a coherent fashion.
Scrap all the messy IIO_CHAN_* macros and move to only one.
V3: Added more types - intensity and light.
V2: Various fixes - some thanks to Arnd.
Bug fix for unregistering of event attr group
Changed iio_read_channel_info to have two part value - use for
raw value read as well.
constify the channelspec structures
raw write support for calibbias and similar
Additional strings for buidling attribute names.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Marc Dietrich [Thu, 19 May 2011 14:34:42 +0000 (16:34 +0200)]
Staging: initial version of the nvec driver
This is an implementation of a NVidia compliant embedded controller
protocol driver. It is used on some ARM-Tegra boards for device
communication.
Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
anish kumar [Thu, 19 May 2011 15:29:02 +0000 (20:59 +0530)]
Staging: sm7xx: printk loglevels modified to match the scenario
KERN_ERR should be used in place of KERN_INFO in the case of
error scenarios.
Signed-off-by: anish kumar <anish198519851985@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
anish kumar [Thu, 19 May 2011 15:28:51 +0000 (20:58 +0530)]
Staging: sm7xx: preferred form for passing a size to memory allocation routines
The preferred form for passing a size of a struct is the following:
p = kmalloc(sizeof(*p), ...);
Please refer Documentation/Codingstyle chapter 14
Signed-off-by: anish kumar <anish198519851985@gmail.com>
Acked-by: Harry Wei <harryxiyou@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
anish kumar [Thu, 19 May 2011 15:28:42 +0000 (20:58 +0530)]
Staging: sm7xx: removing extra white spaces,redundant code and using macros
This patch is to remove extra spaces,redundant code and using
ARRAY_SIZE macros.
Signed-off-by: anish kumar <anish198519851985@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Randy Dunlap [Thu, 19 May 2011 15:52:34 +0000 (08:52 -0700)]
staging: fix mei build when PM is not enabled
Fix mei build when CONFIG_PM is not enabled (i.e., fix typo):
drivers/staging/mei/main.c:1159: error: 'MEI_PM_OPS' undeclared here (not in a function)
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
matt mooney [Thu, 19 May 2011 04:46:13 +0000 (21:46 -0700)]
staging: usbip: userspace: bind-driver.c: mark remote_host as unused
Use __attribute__((unused)) to suppress error until it can be determined
that remote_host is not needed.
Signed-off-by: matt mooney <mfm@muteddisk.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
matt mooney [Thu, 19 May 2011 08:37:31 +0000 (01:37 -0700)]
staging: usbip: userspace: stub_driver.c: update kernel module name
Change kernel module name to usbip-host.
Signed-off-by: matt mooney <mfm@muteddisk.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
J. Ali Harlow [Wed, 18 May 2011 18:18:56 +0000 (19:18 +0100)]
comedi vmk80xx: support comedi auto-configuration
Add support for automatically associating a vmk8055 device with a
comedi device (previously the user had to use comedi_num_legacy_minors
to reserve device slots and then associate them with vmk8055 devices
using comedi_config).
Tested on multiple K8055s, but not on K8061s.
Signed-off-by: J. Ali Harlow <ali@avrc.city.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
J. Ali Harlow [Wed, 18 May 2011 18:18:55 +0000 (19:18 +0100)]
comedi vmk80xx: support bits instruction
Calling comedi_dio_bifield2() returns EBUSY permanently. Implementing
the insn_bits call fixes the problem and is good in its own right since
one can then read and write to all the digitial lines at the same time.
Tested on a K8055, but not on a K8061.
Signed-off-by: J. Ali Harlow <ali@avrc.city.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
J. Ali Harlow [Wed, 18 May 2011 18:18:54 +0000 (19:18 +0100)]
comedi vmk80xx: extend rudimentary_check to check both directions
rudimentary_check() can currently check whether the input or
output direction is currently available (no pending transaction),
but not both at the same time. We need this facility for do_bits().
Signed-off-by: J. Ali Harlow <ali@avrc.city.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
J. Ali Harlow [Wed, 18 May 2011 18:18:53 +0000 (19:18 +0100)]
comedi vmk80xx: simplify rinsn output calculation
vmk80xx_di_rinsn() and vmk80xx_do_rinsn() extract the required channel
data by inconsistent and overly-complex algorithms. Simplify them both.
Signed-off-by: J. Ali Harlow <ali@avrc.city.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
J. Ali Harlow [Wed, 18 May 2011 18:18:52 +0000 (19:18 +0100)]
comedi vmk80xx: Digitial I/O should have a maxdata of 1
Digitial input and output sub-devices were reporting a maxdata of
0x1F and 0xFF respectively. They should both be 1.
Signed-off-by: J. Ali Harlow <ali@avrc.city.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
J. Ali Harlow [Wed, 18 May 2011 18:18:51 +0000 (19:18 +0100)]
comedi vmk80xx: make rudimentary_check a static function
rudimentary_check is a macro with side-effects (it returns
on error) which is contary to CodingStyle. Replace it with
a static function.
Signed-off-by: J. Ali Harlow <ali@avrc.city.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Julia Lawall [Wed, 18 May 2011 19:20:43 +0000 (21:20 +0200)]
drivers/staging/cptm1217/clearpad_tm1217.c: Correct call to input_free_device
This code is in a loop that currently is only executed once. Because of
this property, the first block of code is currently actually correct.
Nevertheless, the comments associated with the code suggest that the loop
is planned to take more than one iteration in the future, and thus this
patch is made with that case in mind.
In the first block of code, there is currently an immediate abort from the
function. It is changed to jump to the error handling code at fail, to be
able to unregister and free the resources allocated on previous iterations.
In the second block of code, the input_dev for the current iteration has
been allocated, but has not been registered. It has also not been stored
in ts->cp_input_info[i].input. Thus on jumping to fail, it will not be
freed. In this case, we want to free, but not unregister, so the free for
this most recently allocated resource is put before the jump.
A simplified version of the semantic match that finds this problem is:
(http://coccinelle.lip6.fr/)
// <smpl>
@r exists@
local idexpression struct input_dev * x;
expression ra,rr;
position p1,p2;
@@
x = input_allocate_device@p1(...)
... when != x = rr
when != input_free_device(x,...)
when != if (...) { ... input_free_device(x,...) ...}
if(...) { ... when != x = ra
when forall
when != input_free_device(x,...)
\(return <+...x...+>; \| return@p2...; \) }
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
cocci.print_main("input_allocate_device",p1)
cocci.print_secs("input_free_device",p2)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Tomas Winkler [Wed, 18 May 2011 19:29:30 +0000 (22:29 +0300)]
staging/easycap: easycap_probe: drop more unused variables
wMaxPacketSize are bEndpointAddress assigned but not used
Cc: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Tomas Winkler [Wed, 18 May 2011 19:29:29 +0000 (22:29 +0300)]
staging/easycap: probe: simplify the endpoints tests
we are interested only in isochronous in endpoints
so we can simplify the flow
Cc: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Tomas Winkler [Wed, 18 May 2011 19:29:28 +0000 (22:29 +0300)]
staging/easycap: easycap_probe: drop verbose printouts
reduce printouts of not necessary information
Cc: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Oren Weil [Sun, 15 May 2011 10:43:48 +0000 (13:43 +0300)]
staging/mei: add mei to staging Kbuild
Add mei to Kconfig and Makefile in drivers/staging
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Itzhak Tzeel-Krupp <itzhak.tzeel-krupp@intel.com>
Signed-off-by: Oren Weil <oren.jer.weil@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Oren Weil [Sun, 15 May 2011 10:43:47 +0000 (13:43 +0300)]
staging/mei: AMT Watchdog
code that open connection and invoke
heartbeats to the AMT Watchdog client/feature, if exists
Connect to WD Client, if exists Send Start WD Command.
Every 2 secs send heartbeats.
On System shutdown/suspends, send Stop WD command.
This is intermediate stage before moving this code to standalone watchdog
driver.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Itzhak Tzeel-Krupp <itzhak.tzeel-krupp@intel.com>
Signed-off-by: Oren Weil <oren.jer.weil@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Oren Weil [Sun, 15 May 2011 10:43:46 +0000 (13:43 +0300)]
staging/mei: mei.h defining user space interface
define IOCTL_MEI_CONNECT_CLIENT and its associated structure
When the user wants to connect to a ME feature/client after
it open a file descriptor to the driver, he need to use Connect
IOCTL.
This IOCTL received a struct that contains a union of 2 other structs.
1st struct - Input Parameters:
UUID - a predefine unique that identify the ME feature, this
id per feature is constant all over the chipsets
and versions.
2nd struct Output Parameters:
MaxMessageLen - maximum message length that allowed
to be send to the feature
ProtocolVersion ME feature current protocol version.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Itzhak Tzeel-Krupp <itzhak.tzeel-krupp@intel.com>
Signed-off-by: Oren Weil <oren.jer.weil@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Oren Weil [Sun, 15 May 2011 10:43:45 +0000 (13:43 +0300)]
staging/mei: Hardware and MEI driver internal struct definition
define the MEI protocol msg structs and
HW registers, also define the MEI internal status and struct
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Itzhak Tzeel-Krupp <itzhak.tzeel-krupp@intel.com>
Signed-off-by: Oren Weil <oren.jer.weil@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Oren Weil [Sun, 15 May 2011 10:43:44 +0000 (13:43 +0300)]
staging/mei: MEI driver init flow.
Init driver list and queue, MEI Hardware reset flow,
init of driver specific host client.
MEI Init/reset flow:
- Ack all waiting interrupts
- Hardware reset flow (Set Reset Bit, Generate Interrupt, Clear Reset Bit
Generate Interrupt)
- Wait for ME Ready Bit (done in interrupt thread)
- Set ME Ready Bit (done in interrupt thread)
- Send Start request (done in interrupt thread)
- wait for answer
- Send Enumerate Clients request (done in interrupt thread)
- wait for answer
- Send Get Client property for each client request (done in interrupt thread)
- Wait for answers
- Init Done.
MEI Driver connect internally to 2 ME clients/features:
AMTHI and AMT watchdog.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Itzhak Tzeel-Krupp <itzhak.tzeel-krupp@intel.com>
Signed-off-by: Oren Weil <oren.jer.weil@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Oren Weil [Sun, 15 May 2011 10:43:43 +0000 (13:43 +0300)]
staging/mei: MEI link layer
Implementation of the communication between host and ME.
connect/disconnect to/from a client, send MEI message,
read MEI message, flow control handling.
Each MEI message has mei_msg_hdr followed by a payload.
Driver is oblivious the payload.
ME Address/ID - This is the logical address of the ME
feature/client of that message.
Host Address/ID - This is the logical address of the Host
client of that message
Length - This is the Length of message payload in bytes
Reserved - reserved for future use.
Message Complete - This bit is used to indicative that
this is the last message of multi message
MEI transfer of a client message that is larger
then the MEI circular buffer.
Payload - Message payload (data) up to 512bytes
The HW data registers are consist two circular buffers,
one for data from ME and other data from Host application.
Each buffer has two pointers, read_ptr (H_CBRP)
and write_ptr (H_CBWP).
The buffers size is defined by depth value that exists
in the status registers (H_CBD and ME_CBD_HRA).
Every read from ME circular buffer cause read_ptr++
Every write to the Host circular buffer write_ptr++
Flow control MEI message that ME and MEI Driver use to notify
each other that a ME feature/client or Host client buffer is ready
to receive data.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Itzhak Tzeel-Krupp <itzhak.tzeel-krupp@intel.com>
Signed-off-by: Oren Weil <oren.jer.weil@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Oren Weil [Sun, 15 May 2011 10:43:42 +0000 (13:43 +0300)]
staging/mei: Interrupt handling.
ISR and interrupt thread for handling incoming data.
e.g. read bus message, read client message, handle reset requests.
quick handler:
As MEI may share interrupt with GFX and/or USB
the HW register need to be checked and acknowledged.
thread handler:
Check if HW has data for read.
Write data to HW if possible.
May init reset flow on error
there can be two types of messages:
1) bus messages:
Management messages between MEI Driver and ME e.g.
Connect request/response,
Disconnect request/response
Enum clients request/response
Flow control request/response
those message are indicated by
ME Address/ID == 0 && Host Address/ID == 0
2) feature/client messages:
message that are sends between ME Feature/Client and
an application, the struct of the message is defined
by the ME Feature Protocol (e.g. APF Protocol, AMTHI Protocol)
those message are indicated by
ME Address/ID != 0 && Host Address/ID != 0
MEI Initialization state machine is also managed by this patch.
After MEI Reset is preform:
Send Start request
wait for answer
Send Enumerate Clients request
wait for answer
Send Get Client property for each client request
wait for answers
Init Done.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Itzhak Tzeel-Krupp <itzhak.tzeel-krupp@intel.com>
Signed-off-by: Oren Weil <oren.jer.weil@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Oren Weil [Sun, 15 May 2011 10:43:41 +0000 (13:43 +0300)]
staging/mei: PCI device and char driver support.
contains module entries and PCI driver and char device
definitions (using file_operations, pci_driver struts).
The HW interface is exposed on PCI interface.
PCI:
The MEI HW resources are memory map 32 bit registers
(Host and ME Status Registers and Data Registers)
and interrupt (shared, with Intel GFX on some chipsets
and USB2 controller on others).
The device is part of the chipsets and cannot be hotplugged.
The MEI device present is determined by BIOS configuration.
Probe:
The driver starts the init MEI flow, that is explained
in the patch "MEI driver init flow" [06/10],
then schedules a timer that handles
timeouts and watchdog heartbeats.
Remove:
The driver closes all connections and stops the watchdog.
The driver expose char device that supports:
open, release, write, read, ioctl, poll.
Open:
Upon open the driver allocates HOST data structure
on behalf of application which will resides in the file's
private data and assign a host ID number which
will identify messages between driver client instance
and MEI client.
The driver also checks readiness of the device. The number
of simultaneously opened instances is limited to 253.
(255 - (amthi + watchdog))
Release:
In release the driver sends a Disconnect Command to
ME feature and clean all the data structs.
IOCTL:
MEI adds new IOCTL: (IOCTL_MEI_CONNECT_CLIENT)
The IOCTL links the current file descriptor to ME feature.
This is done by sending MEI Bus command: 'hbm_client_connect_request'
to the ME and waiting for an answer :'hbm_client_connect_response'.
Upon answer reception the driver updates its and HOST data
structures in file structure to indicate that the file
descriptor is associated to ME feature.
Each ME feature is represented by UUID which is given as
an input parameter to the IOCTL, upon success connect command the
IOCTL will return the ME feature properties.
ME can reject CONNECT commands due to several reasons,
most common are:
Invalid UUID ME or feature does not exists in ME.
No More Connection allowed to this is feature,
usually only one connection is allowed.
Write:
Upon write, the driver splits the user data into several MEI
messages up to 512 bytes each and sends it to the HW.
If the user wants to write data to AMTHI ME feature then the
drivers routes the messages through AMTHI queues.
Read:
In read the driver checks is a connection exists to
current file descriptor and then wait until a data is available.
Message might be received (by interrupt from ME) in multiple chunks.
Only complete message is released to the application.
Poll:
Nothing special here. Waiting for see if we have
data available for reading.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Itzhak Tzeel-Krupp <itzhak.tzeel-krupp@intel.com>
Signed-off-by: Oren Weil <oren.jer.weil@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Oren Weil [Sun, 15 May 2011 10:43:40 +0000 (13:43 +0300)]
staging/mei: MEI Driver TODO list
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Oren Weil <oren.jer.weil@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>