The match function for vme_user is completely wrong. It will blindly bind
against the first VME slot on each bus (at this point that would be just the
first bus as the driver can only handle one bus).

The original intention (before some major subsystem changes) was that the
driver bind against the slot to which the bridge was attached in the VME
system and to the bus(es) provided via the "bus" module parameter.

To do this cleanly (i.e. without poking arround in the subsystems internal
stuctures) a functionality has been added to provide access to the bus
enumeration.
Signed-off-by: NMartyn Welch <martyn.welch@ge.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

This moves the VME core, VME board drivers, and VME bridge drivers out
of the drivers/staging/vme/ area to drivers/vme/.

The VME device drivers have not moved out yet due to some API questions
they are still working through, that should happen soon, hopefully.

Cc: Martyn Welch <martyn.welch@ge.com>
Cc: Manohar Vanga <manohar.vanga@cern.ch>
Cc: Vincent Bossier <vincent.bossier@gmail.com>
Cc: "Emilio G. Cota" <cota@braap.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Fixed a code convention violation in vme.h
Signed-off-by: NSam Hansen <solid.se7en@gmail.com>
Acked-by: NMartyn Welch <martyn.welch@ge.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

The use of typedefs is discouraged, remove them.
Signed-off-by: NMartyn Welch <martyn.welch@ge.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

Signed-off-by: NManohar Vanga <manohar.vanga@cern.ch>
Acked-by: NMartyn Welch <martyn.welch@ge.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

Previously, the device-driver matching mechanism depended on the
vme_device_id structure due to the need for a bind table per driver.
This method of matching is no longer used so this patch merges the
fields of struct vme_device_id into struct vme_dev. Since this also
renders the slot field meaningless, it has also been removed in this
patch.
Signed-off-by: NManohar Vanga <manohar.vanga@cern.ch>
Cc: Martyn Welch <martyn.welch@ge.com>
Reviewed-by: NEmilio G. Cota <cota@braap.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

For jumper based boards (non VME64x), there is no mechanism
for detecting the card that is plugged into a specific slot. This
leads to issues in non-autodiscovery crates/cards when a card is
plugged into a slot that is "claimed" by a different driver. In
reality, there is no problem, but the driver rejects such a
configuration due to its dependence on the concept of slots.

This patch makes the concept of slots less critical and pushes the
driver match() to individual drivers (similar to what happens in the
ISA bus in driver/base/isa.c). This allows drivers to register the
number of devices that they expect without any restrictions. Devices
in this new model are now formatted as $driver_name-$bus_id.$device_id
(as compared to the earlier vme-$bus_id.$slot_number).

This model also makes the device model more logical as devices
are only registered when they actually exist whereas earlier,
a set of devices were being created automatically regardless of
them actually being there.

Another change introduced in this patch is that devices are now created
within the VME driver structure rather than in the VME bridge structure.
This way, things don't go haywire if the bridge driver is removed while
a driver is using it.
Signed-off-by: NManohar Vanga <manohar.vanga@cern.ch>
Cc: Martyn Welch <martyn.welch@ge.com>
Reviewed-by: NEmilio G. Cota <cota@braap.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

Instead of using a vanilla 'struct device' for VME devices, add new
'struct vme_dev'. Modifications have been made to the VME framework
API as well as all in-tree VME drivers.

The new vme_dev structure has the following advantages from the
current model used by the driver:

    * Driver functions (probe, remove) now receive a VME device
      instead of a pointer to the bridge device (cleaner design)
    * It's easier to differenciate API calls as bridge-based or
      device-based (ie. cleaner interface).
Signed-off-by: NManohar Vanga <manohar.vanga@cern.ch>
Cc: Martyn Welch <martyn.welch@ge.com>
Reviewed-by: NEmilio G. Cota <cota@braap.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

This patch solves all the existing issues reported by checkpatch.pl in the VME
sub-system.
Signed-off-by: NVincent Bossier <vincent.bossier@gmail.com>
Acked-by: NMartyn Welch <martyn.welch@ge.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

Check the directions in which the DMA controller is expected to operate
before giving control of a resource.
Signed-off-by: NMartyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

Running checkpatch on the core VME code highlights many errors. Fix them.
Signed-off-by: NMartyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

The DMA resource allocation function is called "vme_request_dma" while
master and slave window allocation functions are called
"vme_master_request" and "vme_slave_request" respectively. Rename
"vme_request_dma" to "vme_dma_request" to fit the pattern.
Signed-off-by: NMartyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

Currently the VME callback infrastructure is replicated in each VME driver.
Move this common code into the VME core. Rename functions to fit in better
with naming of other VME functions.
Signed-off-by: NMartyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

Extend the image and DMA channel resource management methods to control the
location monitor resource. The location monitor should be controlled as it can
only be used at a single location at a time.
Signed-off-by: NMartyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

Add the ability to define all slots and current slot in the VME buses bind
table.
Signed-off-by: NMartyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

This framework aims to colelese, extend and improve the VME Linux
drivers found at vmelinux.org, universe2.sourceforge.net and
openfmi.net/frs/?group_id=144. The last 2 drivers appear to be forks of
the original code found at vmelinux.org though have extended the
codebase.
Signed-off-by: NMartyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>