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Allow drivers to enable Zoomed Video support. Currently, this is only
used by out-of-tree drivers (L64020 DVB driver in particular).
CC: <stable@kernel.org> [for 2.6.37]
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Dave Hinds pointed out to me that 37979e1546 will break b43 and
ray_cs, as IOCARD is not -- as the name would suggest -- only needed
for cards using IO ports. Instead, as it re-deines several pins, it
is also required for using interrupts.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
The Status (CISREG_CCSR) and ExtStatus (CISREG_ESR) registers were
only accessed to enable audio output for some drivers and IRQ for
serial_cs.c. The former also required setting config_req_t.Attributes
to CONF_ENABLE_SPKR; the latter can be simplified to setting this
field to CONF_ENABLE_ESR.
CC: netdev@vger.kernel.org
CC: linux-wireless@vger.kernel.org
CC: linux-serial@vger.kernel.org
CC: linux-scsi@vger.kernel.org
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
The "Pin" and "Copy" configuration registers (CISREG_SCR, CISREG_PPR)
do not seem to be utilized anywhere. If a device would request a
write to these registers, "0" would be written. Continue to do so, but
warn of unexpected behavior -- and remove the "Pin" and "Copy" entries
from config_req_t.
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
pcmcia_modify_configuration() was only used by two drivers to fix up
one issue each: setting the Vpp to a different value, and reducing
the IO width to 8 bit. Introduce two explicitly named functions
handling these things, and remove one further typedef.
CC: netdev@vger.kernel.org
CC: linux-mtd@lists.infradead.org
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Instead of win_req_t, drivers are now requested to fill out
struct pcmcia_device *p_dev->resource[2,3,4,5] for up to four iomem
ranges. After a call to pcmcia_request_window(), the windows found there
are reserved and may be used until pcmcia_release_window() is called.
CC: netdev@vger.kernel.org
CC: linux-wireless@vger.kernel.org
CC: linux-mtd@lists.infradead.org
CC: Jiri Kosina <jkosina@suse.cz>
CC: linux-scsi@vger.kernel.org
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Introduce a new field into struct pcmcia_device named "resource" and of
type struct resource *, which contains the IO port ranges allocated for
this device. Memory window ranges and registration with the resource
trees will follow at a later date.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
As we only provide one way to set up resources now, we can remove
the resource-setup-related bitfield (except resource_setup_done).
In addition, pcmcia_state only consisted of one entry, so remove
this bitfield as well.
Suggested-by: Komuro <komurojun-mbn@nifty.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Remove some definitions which became obsolete when the central
event handler got removed.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Clean up the alloc_io_space() function by moving most of it to
the actual resource_ops. This allows for a bit less re-directions.
Future cleanups will follow, and will make up for the code
duplication currently present between rsrc_iodyn and rsrc_nonstatic
(which are hardly ever built at the same time anyway, therefore no
increase in built size).
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Remove the dev_node declaration. We now only pass the device name
to the deprecated userspace tools.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Instead of the old pcmcia_request_irq() interface, drivers may now
choose between:
- calling request_irq/free_irq directly. Use the IRQ from *p_dev->irq.
- use pcmcia_request_irq(p_dev, handler_t); the PCMCIA core will
clean up automatically on calls to pcmcia_disable_device() or
device ejection.
- drivers still not capable of IRQF_SHARED (or not telling us so) may
use the deprecated pcmcia_request_exclusive_irq() for the time
being; they might receive a shared IRQ nonetheless.
CC: linux-bluetooth@vger.kernel.org
CC: netdev@vger.kernel.org
CC: linux-wireless@vger.kernel.org
CC: linux-serial@vger.kernel.org
CC: alsa-devel@alsa-project.org
CC: linux-usb@vger.kernel.org
CC: linux-ide@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
As it's only used there it makes no sense relying on pcmcia_request_irq().
CC: alsa-devel@alsa-project.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Setup the IRQ to be used by PCMCIA drivers already during the device
registration stage, making use of a new function pcmcia_setup_irq().
This will allow us to get rid of quite a lot of indirection in the
future.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
pcmcia_dev_present is in and by itself buggy. Add a note specifying
why it is broken, and replace the broken locking -- taking a mutex
is a bad idea in IRQ context, from which this function is rarely
called -- by an atomic_t.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Instead of requiring PCMCIA socket drivers to call various functions
during their (bus) resume and suspend functions, register an own
dev_pm_ops for this class. This fixes several suspend/resume bugs
seen on db1xxx-ss, and probably on some other socket drivers, too.
With regard to the asymmetry with only _noirq suspend, but split up
resume, please see bug 14334 and commit 9905d1b411 .
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
...and use it in hostap_cs and orinoco_cs.
Another PCMCIA device with Intersil Prism chipset has been reported:
Socket 0:
product info: "Gigabyte", "GN-WLM01_P25L_ADAPTER", "ISL37300P", "Eval-RevA"
manfid: 0x02e0, 0x1011
function: 6 (network)
As it's the case with some other Prism based devices, the third ID
string contains a design name that should be sufficient to identify the
card as having Intersil Prism chipset and thus compatible with both
orinoco_cs and hostap_cs.
Introduce PCMCIA_DEVICE_PROD_ID3 that matches the third ID string only.
Use it in orinoco_cs and hostap_cs to match cards with the third ID
string indicating Prism chipset. Remove corresponding entries that use
PCMCIA_DEVICE_PROD_ID123.
Reported-by: Ozzy <ozzymud@gmail.com>
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The requery callback now also handles the addition of a second pseudo
multifunction device. Avoids messing with dev_{g,s}et_drvdata(), and
fixes any workqueue <-> skt_mutex deadlock.
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This avoids any sysfs-related deadlock (or lockdep warning), such
as reported at http://lkml.org/lkml/2010/1/17/88 .
Reported-by: Ming Lei <tom.leiming@gmail.com>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Even though we weren't calling a blocking function within the dynid
spinlock, we do not need a spinlock here but can and should be using
a mutex.
Reported-by: Jiri Slaby <jirislaby@gmail.com>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
replace pcmcia_socket->lock and pcmcia_dev_list_lock by using the
per-socket "ops_mutex", as we do neither need different locks
nor a spinlock here.
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Protect the pccard_operations callback "set_mem_map" by a new
mutex ops_mutex. This mutex also protects the following values
in struct pcmcia_socket:
pccard_mem_map win[]
pccard_mem_map cis_mem
void __iomem *cis_virt
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
If only CardBus cards are used, but not PCMCIA cards, we do not need
the extensive resource management functions provided for by
rsrc_nonstatic.c (~240K).
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
The socket driver m8xx_pcmcia.c uses a static memory assignment,
but io_offset is set to 0. Therefore, it seems proper to use the
iodyn resource manager for this driver, as was previously the
case (before commit 80128ff79d).
CC: Vitaly Bordug <vitb@kernel.crashing.org>
CC: Arnd Bergmann <arnd@arndb.de>
CC: Olof Johansson <olof@lixom.net>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
At least no in-kernel CardBus-capable PCI driver makes use of the CIS
access functions. Therefore, it seems sensible to remove this unused
code, and cleanup cardbus.c a lot.
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: Linus Torvalds <torvalds@linux-foundation.org>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
During a suspend/resume cycle, an user may change the card in the
PCMCIA/CardBus slot. The pcmcia_core can at least look at the
socket state to check whether it is the same.
For PCMCIA devices, move the detection and handling of such a
change to ds.c.
For CardBus devices, the PCI hotplug interface doesn't offer a "rescan"
facility which also _removes_ devices no longer to be found behind a
bridge. Therefore, remove and re-add all devices unconditionally.
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: Linus Torvalds <torvalds@linux-foundation.org>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Fix several CodingStyle issues in drivers/pcmcia/ . checkpatch.pl no longer
reports errors in the PCMCIA core. The remaining warnings mostly relate to
wrong indent -- PCMCIA historically used 4 spaces --, to lines over 80
characters and to hundreds of typedefs. The cleanup of those will follow
in the future.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Komuro pointed out that IRQ_FIRST_SHARED is not used at all in the
PCMCIA subsystem, so remove it. Also, remove two bogus assignments.
CC: Karsten Keil <keil@b1-systems.de>
CC: netdev@vger.kernel.org
CC: alsa-devel@alsa-project.org
CC: Komuro <komurojun-mbn@nifty.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Most of the irq_req_t typedef'd struct can be re-worked quite
easily:
(1) IRQInfo2 was unused in any case, so drop it.
(2) IRQInfo1 was used write-only, so drop it.
(3) Instance (private data to be passed to the IRQ handler):
Most PCMCIA drivers using pcmcia_request_irq() to actually
register an IRQ handler set the "dev_id" to the same pointer
as the "priv" pointer in struct pcmcia_device. Modify the two
exceptions (ipwireless, ibmtr_cs) to also work this waym and
set the IRQ handler's "dev_id" to p_dev->priv unconditionally.
(4) Handler is to be of type irq_handler_t.
(5) Handler != NULL already tells whether an IRQ handler is present.
Therefore, we do not need the IRQ_HANDLER_PRESENT flag in
irq_req_t.Attributes.
CC: netdev@vger.kernel.org
CC: linux-bluetooth@vger.kernel.org
CC: linux-ide@vger.kernel.org
CC: linux-wireless@vger.kernel.org
CC: linux-scsi@vger.kernel.org
CC: alsa-devel@alsa-project.org
CC: Jaroslav Kysela <perex@perex.cz>
CC: Jiri Kosina <jkosina@suse.cz>
CC: Karsten Keil <isdn@linux-pingi.de>
for the Bluetooth parts: Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
