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path: root/drivers/media/dvb/dvb-core
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2008-10-17V4L/DVB (9274): Remove spurious messages and turn into debug.Steven Toth
Remove spurious messages and turn into debug. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9264): MFE: bugfix: multi-frontend mutual exclusion parallel openDarron Broad
When moving from one frontend to another an application could spawn multiple threads opening the same new frontend and in some circumstances all of these could become delayed waiting for the previous frontend readers or previous frontend writer thread to complete. In this scenario the first thread will succeed on open to bring the new frontend online but any others will return EBUSY. This is a fault. If the first succeeds and all others are on the same frontend then they should succeed also. Signed-off-by: Darron Broad <darron@kewl.org> Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9227): MFE: Add multi-frontend mutual exclusionDarron Broad
This add frontend R/W mutual exclusion. Prior to this point in time it was possible to open both frontends simultaneously which an MFE card cannot support. In order to stop this, a delayed open is performed which has the following function: - Return EBUSY after a configurable amount of time if a frontend is unavailable due to the other being in use. - Only allow opening of a frontend if the kernel thread of the other has stopped. This solution was chosen to allow switching between frontends to work as seamlessly as possible. When both frontends are actually opened simultaneously then one will only open, but if quick switching is performed between one of many then the new open will succeed in a clean fashion rather than interrupting a kernel thread. Signed-off-by: Darron Broad <darron@kewl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9222): S2API: Add Multiple-frontend on a single adapter support.Steven Toth
A detailed description from the original patches 2 years ago: "The WinTV-HVR3000 has a single transport bus which is shared between a DVB-T and DVB-S modulator. These patches build on the bus acquisition cx88 work from a few weeks ago to add support for this. So to applications the HVR3000 looks like this: /dev/dvb/adapter0/fe0 (cx24123 DVB-S demod) /dev/dvb/adapter0/fe1 (cx22702 DVB-T demod) Additional boards continue as before, eg: /dev/dvb/adapter1/fe0 (lgdt3302 ATSC demod) The basic change is removing the single instance of the videobuf_dvb in cx8802_dev and saa7134_dev(?) and replacing it with a list and some supporting functions. *NOTE* This branch was taken before v4l-dvb was closed for 2.6.19 so two or three current cx88 patches appear to be reversed by this tree, this will be cleaned up in the near future. The patches missing change the mutex handing to core->lock, fix an enumeration problem." It should be recognised that a number of people have been maintaining this patchset. Significant levels of Kudos to everyone one involved, including but not limited to: Darron Broad Fabio M. Di Nitto Carlo Scarfoglio Hans Werner Without the work of these people, and countless others, my two year old patches would of died on the Mercurial linuxtv.org vine a long time ago. TODO: Revise these patches a little further so that the need for demux1 and dvr0 is optional, not mandatory on the HVR3000. HISTORY (darron): This is the last update to MFE prepared by Hans which is based upon the `scratchpad' diff created by Carlo. All MFE work prior to that point must be attributed to Fabio who ported and maintained Steve's original patch up to that time. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Darron Broad <darron@kewl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-17V4L/DVB (9195): Frontend API Fix: 32APSK is a valid modulation for the ↵Manu Abraham
DVB-S2 delivery Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-16device create: misc: convert device_create_drvdata to device_createGreg Kroah-Hartman
Now that device_create() has been audited, rename things back to the original call to be sane. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-10-13V4L/DVB (9183): S2API: Return error of the caller provides 0 commands.Steven Toth
S2API: Return error of the caller provides 0 commands. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-13V4L/DVB (9182): S2API: Added support for DTV_HIERARCHYSteven Toth
A user tuning DVB-T via the S2API reports that this was not implemented, and his tuning was failing. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-13V4L/DVB (9181): S2API: Add support fot DTV_GUARD_INTERVAL and ↵Steven Toth
DTV_TRANSMISSION_MODE Tuning DVB-T via the S2API was failing, missing some essential items. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-13V4L/DVB (9180): S2API: Added support for DTV_CODE_RATE_HP/LPSteven Toth
Reports from users that using the new API for tuning DTV was failing, and the cache was missing some essential items. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-13V4L/DVB (9177): S2API: Change _8PSK / _16APSK to PSK_8 and APSK_16Steven Toth
... and cleanup any drivers using them. I've also removed NBC_QPSK and modified the cx24116 driver to check the delivery_type also, removing some excess namespace baggage. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-13V4L/DVB (9173): S2API: Remove the hardcoded command limit during validationSteven Toth
This means that when developers add new commands then they'll be see the DTV_MAX_COMMAND define and will be more likely to modify it, without having to modify the command validation code. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-13V4L/DVB (9172): S2API: Bugfix related to DVB-S / DVB-S2 tuning for the ↵Darron Broad
legacy API. Fixes switching from S2API to legacy where legacy params given to S2API aware demods are cached ones and not those implied in the legacy API. It was found (on an S2API aware demod at least) that after using an S2API aware application and then switching to a legacy application that prior S2API params were in effect were legacy has only implied values. This fixes this. Signed-off-by: Darron Broad <darron@kewl.org> Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-13V4L/DVB (9171): S2API: Stop an OOPS if illegal commands are dumped in S2API.Darron Broad
Quick fix to stop an OOPS if illegal commands are dumped in S2API. Signed-off-by: Darron Broad <darron@kewl.org> Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (9072): S2API: Add DTV_API_VERSION commandSteven Toth
This allows application developers to query the dvb-core API version dynamically, helping developers understand whether certain features will be available. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (9071): S2API: Implement result codes for individual commandsSteven Toth
This allows application developers to determine which particular command in a sequence is invalid, or failing with error. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (9048): add a general-purpose callback pointer to struct dvb_frontendMichael Krufky
Remove tuner_callback pointers from tuner driver configuration and private state structures, replaced with a general-purpose callback pointer within struct dvb_frontend. A new parameter is added to the callback function, called component. This allows us to use this callback pointer by frontend components other than the tuner, if need be. So far, this is only used by tuner drivers. Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (9025): S2API: Deactivate the ISDB-T definitionsSteven Toth
We don't want to push the ISDB-T definitions into the kernel until we have a high level of confidence in the ISDB-T API. More testing is required before this code is released. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (9008): S2API: Bugfix related to syncing the cache when used with ↵Steven Toth
the old API. Many thanks to Darron Broad for pointing out the obvious. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (9007): S2API: Changed bandwidth to be expressed in HZSteven Toth
Also added some compat code for the older API. Added more ISDB message/command suggestions, current not connected in dvb-core. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (9006): S2API: Allow reliable use of old and new api on the same ↵Steven Toth
frontend, regardless. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (9005): Bug fix: ioctl FE_SET_PROPERTY/FE_GET_PROPERTY always return ↵Igor M. Liplianin
error Bug fix: ioctl FE_SET_PROPERTY/FE_GET_PROPERTY always return error Signed-off-by: Igor M. Liplianin <liplianin@me.by> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (9004): S2API: Implement GET/SET handing to the demodsSteven Toth
The frontends will be notified (if they chose) of all _get and _set commands so they can help determine result or action. Results are now returned to userspace correctly. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (9003): S2API: Remove the DTV_SET_ and DTV_GET_ prefixesSteven Toth
The API now assumes that ioctl calls for FE_SET_PROPERTY and all set commands, and FE_GET_PROPERTY are get commands. Simplification. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (9002): S2API: Ensure cache->delivery_system is set at all times.Steven Toth
This helps complex demods which support different modulation types be better informed. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (9001): S2API: ISDBT_SEGMENT_NUM -> ISDBT_SEGMENT_IDXSteven Toth
Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (9000): S2API: Cleanup code that prepares tuning structures.Steven Toth
Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (8999): S2API: Reduce demod driver complexity by using a cache syncSteven Toth
For demod drivers, we want a single tuning function (set_frontend) to have access to the properly constructed dvb_frontend_parameters structure, or the cache values - regardless of whether the legacy or new API is being used. This cuts down on redundant code in the demod drivers and ensures the tuning parameters are consistent regardless of the API entry type. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (8997): S2API: Cleanup SYMBOLRATE, INNERFEC -> SYMBOL_RATE, INNER_FECSteven Toth
This is now consistent with the existing API. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (8996): S2API: typedefs replaced, _SEQ_'s removed, fixed 16 command ↵Steven Toth
arrays replaced After discussion the following changes were made: 1. Removed the typedefs in frontend.h, use structures. 2. In the frontend.h, remove the 16 command limit on the API and switch to a flexible variable length API. For practical reasons a #define limits this to 64, this should be discussed. 3. Changed dvb-core ioctl handing to deal with variable sequences of commands. tune-v0.0.3.c is required to use this API, it contains the interface changes. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (8995): S2API: tv_ / TV_ to dtv_ / DTV_ namespace changesSteven Toth
The group preferred dtv_ over tv_, this implements it. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (8990): S2API: DVB-S/S2 voltage selection bug fixSteven Toth
Thanks to Hans Werner for finding the problem. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (8988): S2API: Allow the properties to call legacy ioctlsSteven Toth
SET_TONE and SET_VOLTAGE were not previously implemented. Two options existed. Either cut/paste from the previous ioctl handler into the process_properties function, which is code duplication. Or, split the current ioctl handler into it's two major pieces. Piece 1, responsible for input validation and semaphore acquiring Piece 2 the processing of the previous ioctls and finally, a new third pieces where the array of properties is processed, and can freely call the legacy ioctl handler without having to re-acquire the fepriv->sem semaphore. This is a clean approach and ensures the existing legacy ioctls are processed as they were previously (but with an extra function call) and allows the new API to share code without duplication. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-12V4L/DVB (8985): S2API: Added dvb frontend changes to support a newer tuning APISteven Toth
This is an experimental patch to add a new tuning mechanism for dvb frontends. Rather than passing fixed structures across the user/kernel boundary, which need to be revised for each new modulation type (or feature the kernel developers want to add), this implements a simpler message based approach, allowing fe commands to be broken down into a series of small fixed size transactions, presented in an array. The goal is to avoid changing the user/kernel ABI in the future, by simply creating new frontend commands (and sequencies of commands) that help us add support for brand new demodulator, delivery system or statistics related commmands. known issues: checkpatch voilations feedback from various developers yet to be implemented, relating to namespace conventions, variable length array passing conventions, and generally some optimization. This patch should support all existing tuning mechanisms through the new API, as well as adding 8PSK, DVB-S2 NBC-QPSK and ISDB-T API support. For testing and exercise purposes, see the latest tune.c tool available from http://www.steventoth.net/linux/s2 Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-10-04V4L/DVB (9029): Fix deadlock in demux codeAndreas Oberritter
The functions dvb_dmxdev_section_callback, dvb_dmxdev_ts_callback, dvb_dmx_swfilter_packet, dvb_dmx_swfilter_packets, dvb_dmx_swfilter and dvb_dmx_swfilter_204 may be called from both interrupt and process context. Therefore they need to be protected by spin_lock_irqsave() instead of spin_lock(). This fixes a deadlock discovered by lockdep. Signed-off-by: Andreas Oberritter <obi@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-09-03V4L/DVB (8757): v4l-dvb: fix a bunch of sparse warningsHans Verkuil
Fixed a lot of sparse warnings: mostly warnings about shadowed variables and signed/unsigned mismatches. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-07-21device create: dvb: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvbLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (277 commits) V4L/DVB (8415): gspca: Infinite loop in i2c_w() of etoms. V4L/DVB (8414): videodev/cx18: fix get_index bug and error-handling lock-ups V4L/DVB (8411): videobuf-dma-contig.c: fix 64-bit build for pre-2.6.24 kernels V4L/DVB (8410): sh_mobile_ceu_camera: fix 64-bit compiler warnings V4L/DVB (8397): video: convert select VIDEO_ZORAN_ZR36060 into depends on V4L/DVB (8396): video: Fix Kbuild dependency for VIDEO_IR_I2C V4L/DVB (8395): saa7134: Fix Kbuild dependency of ir-kbd-i2c V4L/DVB (8394): ir-common: CodingStyle fix: move EXPORT_SYMBOL_GPL to their proper places V4L/DVB (8393): media/video: Fix depencencies for VIDEOBUF V4L/DVB (8392): media/Kconfig: Convert V4L1_COMPAT select into "depends on" V4L/DVB (8390): videodev: add comment and remove magic number. V4L/DVB (8389): videodev: simplify get_index() V4L/DVB (8387): Some cosmetic changes V4L/DVB (8381): ov7670: fix compile warnings V4L/DVB (8380): saa7115: use saa7115_auto instead of saa711x as the autodetect driver name. V4L/DVB (8379): saa7127: Make device detection optional V4L/DVB (8378): cx18: move cx18_av_vbi_setup to av-core.c and rename to cx18_av_std_setup V4L/DVB (8377): ivtv/cx18: ensure the default control values are correct V4L/DVB (8376): cx25840: move cx25840_vbi_setup to core.c and rename to cx25840_std_setup V4L/DVB (8374): gspca: No conflict of 0c45:6011 with the sn9c102 driver. ...
2008-07-20V4L/DVB (8131): dmx_write: memcpy from user-supplied pointerAl Viro
... copy to kernel memory first Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-07-20V4L/DVB (8130): split dvb_ringbuffer dual-use functionsAl Viro
split the suckers into kernel-memory and user-memory versions, annotate both properly. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-07-20V4L/DVB (8126): net endianness fixAl Viro
According to RFC 4326 (4.1) D-bit is MSB in net-endian 16bit. dvb_net.c did /* Set D-bit for CRC32 verification, * if it was set originally. */ ulen |= 0x0080; which works of little-endian (htons(1<<15) is 0x0080 there), but breaks on big-endian. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-07-18Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: Documentation/powerpc/booting-without-of.txt drivers/atm/Makefile drivers/net/fs_enet/fs_enet-main.c drivers/pci/pci-acpi.c net/8021q/vlan.c net/iucv/iucv.c
2008-07-15netdev: Do not use TX lock to protect address lists.David S. Miller
Now that we have a specific lock to protect the network device unicast and multicast lists, remove extraneous grabs of the TX lock in cases where the code only needs address list protection. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-15netdev: Add netdev->addr_list_lock protection.David S. Miller
Add netif_addr_{lock,unlock}{,_bh}() helpers. Use them to protect operations that operate on or read the network device unicast and multicast address lists. Also use them in cases where the code simply wants to block calls into the driver's ->set_rx_mode() and ->set_multicast_list() methods. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-14Merge commit 'v2.6.26' into bkl-removalJonathan Corbet
2008-06-20dvb: cdev lock_kernel() pushdownJonathan Corbet
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2008-06-05V4L/DVB (7960): net: endianness annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14V4L/DVB (7830): dvb_ca_en50221: Fix High CPU load in 'top' due to budget_av ↵Robert Schedel
slot polling This change addresses kernel bug #10459: In kernel 2.6.25 the budget_av driver polls for an CI slot in 100ms intervals (because no interrupt solution for budget_av cards is feasible due to HW reasons). If no CI/CAM is connected to the DVB card, polling times out only after 250ms. This periodic polling leads to high CPU load. The change increases the polling interval for empty slots from 100ms to 5s. Intervals for remaining slot states (invalid, in progress, ready) are unchanged, as they are either temporary conditions or no timeout should occur. Signed-off-by: Robert Schedel <r.schedel@yahoo.de> Signed-off-by: Oliver Endriss <o.endriss@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-04-29Rename common tuner Kconfig names to use the sameMauro Carvalho Chehab
namespace for all of them.
2008-04-29V4L/DVB(7767): Move tuners to common/tunersMauro Carvalho Chehab
There were several issues in the past, caused by the hybrid tuner design, since now, the same tuner can be used by drivers/media/dvb and drivers/media/video. Kconfig items were rearranged, to split V4L/DVB core from their drivers. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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