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path: root/drivers/media/video/cx18/cx18-driver.c
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* V4L/DVB (9895): cx18: Refine the firmware load and firmware startup processAndy Walls2008-12-30
| | | | | | | | | Refine the firmware load and firmware startup process. Significant changes are to ensure the SCB and IPC area are correct before starting up the firmware, and letting the CPU firmware start up the APU firmware for us. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9892): cx18: VBI comment corrections and comments about VBI issuesAndy Walls2008-12-30
| | | | | | | | VBI comment corrections to avoid future confusion about standards. Comments on cx18 VBI implementation shortcomings that need resolution. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9806): cx18: Enable raw VBI captureAndy Walls2008-12-30
| | | | | | | | | A combined authorship patch from Hans Verkuil and Andy Walls. Raw VBI can now be captured but requires a video capture to be in progress as well. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9805): cx18: Port fix for raw/sliced VBI mixup from ivtv and cx25840Andy Walls2008-12-30
| | | | | | | | | | | | | | | | This is a port of the fixes Hans Verkuil made for ivtv/cx25840: The service_set field was used to determine whether raw or sliced VBI was desired. This is incorrect since it is perfectly valid to select sliced VBI with a service_set of 0. Instead the driver should check on VIDIOC_S_FMT whether the type field matches the raw or sliced VBI type. Updated the cx18 driver accordingly, including an additional check in cx18_start_v4l2_encode_stream() that didn't exist in ivtv. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9802): cx18: Add module parameters for finer control over buffer ↵Andy Walls2008-12-30
| | | | | | | | | | | | allocations cx18: Add module parameters for finer control over buffer allocations. User now has the option of setting smaller buffers to get lower latency transfers from the encoder. User can also now set the number of buffers used for a stream explicitly. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9776): cx18: Change to per CX23418 device work queues for ↵Andy Walls2008-12-30
| | | | | | | | | | | deferrable work handling cx18: Change to per CX23418 device work queues for deferrable work handling. Needed to support 2.6.22 and earlier kernels that can't selectively cancel work orders. Also will provide slightly better performance on SMP systems. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9727): cx18: Adjust outgoing mailbox timeouts and remove statistics ↵Andy Walls2008-12-30
| | | | | | | | | | | | | logging cx18: Adjust outgoing mailbox timeouts and remove statistics logging. This saves some wasted storage in struct cx18 for each card. Cutting the outgoing mailbox timeouts in half from the previous value appears to be safe with MythTV. Got rid of interrupted case code path after a wait uninterruptable returns. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9724): cx18: Streamline cx18-io[ch] wrappers and enforce MMIO retry ↵Andy Walls2008-12-30
| | | | | | | | | | | | | strategy cx18: Streamline cx18-io[ch] wrappers and enforce MMIO retry strategy so that write retries always occur and read retries never occur (as they never help). Remove MMIO statistics logging to speed up MMIO accesses. Deprecate & ignore retry_mmio and mmio_ndelay module parameters, to essentially force retry_mmio=1 and mmio_ndelay=0. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9721): cx18: Change to singlethreaded global work queue thread for ↵Andy Walls2008-12-30
| | | | | | | | | | | | deferable work Change to singlethreaded global work queue thread for deferable work, instead of the kernel default multithreaded work queue. This ensures execution of deferable work is always in the proper order, so caputred buffers don't get reordered. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9720): cx18: Major rewrite of interrupt handling for incoming ↵Andy Walls2008-12-30
| | | | | | | | | | | | | | | | | | mailbox processing A major rewrite of interrupt handling for incoming mailbox processing, to split the timing critical steps from the the deferrable steps as the sending XPU on the CX23418 will time out and overwrite our incoming mailboxes rather quickly. Setup a pool of work "order forms" for the irq handler to send jobs to the new work handler routine which uses the kernel default work queue to do the deferrable work. Started optimizing some of the cx18-io calls as they are now the low hanging fruit for recoving microseconds back from the timeline. Future optimizations will get rid of mmio read retries, mmio stats logging, and combine smaller functions in the irq path into the larger ones to save ~2 us each. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9596): cx18: Further changes to improve mailbox protocol integrity ↵Andy Walls2008-12-30
| | | | | | | | | | | & performnce All waits for cx18 mailbox API commands are now uninterruptable. Added code to collect mailbox ack statistics. Tweaked timeouts based on collected stats and video vertical frame and field rates. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9593): cx18: Add outgoing mailbox mutexes and check for ack via ↵Andy Walls2008-12-30
| | | | | | | | | | | waitq vs poll Add mutexes to ensure exclusive access for outgoing driver to CX23418 mailboxes. Also wait on a waitq for mailbox acknowledgement from the CX23418 instead of polling. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9592): cx18: Use default kernel work queue; fix streaming flag for ↵Andy Walls2008-12-30
| | | | | | | | | | | | work handler cx18: Use default kernel work queue; fix streaming flag for work handler. Eliminate cx18 specific work queue and use the kernel default work queue. Fixed the F_STREAMING_FLAG for the TS stream so cx18_dvb_work_handler() can know when it is not safe to send MDLs to the firmware. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9474): cx18: Remove redundant block scope variable in cx18_probe() ↵Andy Walls2008-12-29
| | | | | | | | | | for sparse cx18: Remove redundant block scope variable in cx18_probe() to eliminate sparse build warning. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9516): cx18: Move DVB buffer transfer handling from irq handler to ↵Andy Walls2008-11-11
| | | | | | | | | | | | | work_queue cx18: Move DVB buffer transfer handling from irq handler to work_queue thread. In order to properly lock the epu2cpu mailbox for driver to CX23418 commands, the DVB/TS buffer handling needs to be moved from the IRQ handler and IRQ context to a work queue. This work_queue implmentation is strikingly similar to the ivtv implementation - for better or worse. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9515): cx18: Use correct Mailbox IRQ Ack values and misc IRQ ↵Andy Walls2008-11-11
| | | | | | | | | | | | | handling cleanup cx18: Use correct Mailbox IRQ Ack values and misc IRQ handling cleanup. The SCB field definitions for Ack IRQ's for mailboxes were inconsistent with the bitmasks being loaded into those SCB fields and the SW2 Ack IRQ handling logic. Renamed fields in SCB to make things consistent and did misc IRQ handling cleanups: removing legacy ivtv dma_reg_lock, HPU IRQ flags, etc. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9506): ivtv/cx18: fix test whether modules should be loaded or not.Hans Verkuil2008-11-11
| | | | | Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9299): cx18: Don't mask many real init error codes by mapping them ↵Andy Walls2008-10-21
| | | | | | | | | | | | to ENOMEM Changes to let error return codes bubble up to the user visible error message on card initialization. A number of them were being remapped to ENOMEM when no memory or array resource shortage existed. That hampered diagnosis of user trouble reports. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9297): cx18: Fix memory leak on card initialization failureAndy Walls2008-10-21
| | | | | | | | On error exit, the cx18_probe() function did not use the proper entry in cx18_cards[] with kfree() when card init failed; leaking memory. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9133): v4l: disconnect kernel number from minorHans Verkuil2008-10-12
| | | | | | | | | | | | | | | | | | | | | | | | | The v4l core creates four different video devices (video, vbi, radio, vtx) and each has its own range of minor numbers. However, modern devices keep increasing the number of devices that they need so a maximum of 64 video devices will not be enough in the future. In addition this scheme makes it very hard to add new device types. This patch disconnects the kernel number allocation (e.g. video0, video1, etc.) from the actual minor number (just pick the first free minor). This allows for much more flexibility in the future. However, it does require the use of udev. For those who cannot use udev a new CONFIG option was created that changes the allocation scheme back to the old behavior. Thanks to Greg KH for suggesting this approach during the 2008 LPC. In addition, several bugs were fixed in the ivtv and cx18 drivers: these drivers try to allocate specific kernel numbers but that scheme contained a bug which caused what should have been e.g. video17 to appear as e.g. video2. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9131): cx18: Add entries for the Leadtek PVR2100 and Toshiba Qosmio ↵Andy Walls2008-10-12
| | | | | | | | | | | | | | | DVB-T/Analog cx18: Add entries for the Leadtek PVR2100 and Toshiba Qosmio DVB-T/Analog capture cards. Both cards are hybrids cards, but no digital capture functionality has been added yet. These entries are a first guess at the card entries to get analog working, given the information available. Terry Wu <terrywu at leadtek.com.tw> provided a pointer to information for the PVR2100. Martin Juhl <mj at casalogic.dk>, an owner of the Toshiba DVB-T/Analog tuner card, provided the DDR timing information from his Windows inf file. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (9110): cx18: Add default behavior of checking and retrying PCI MMIO ↵Andy Walls2008-10-12
| | | | | | | | | | | | | | | accesses cx18: Add default behavior of checking and retrying PCI MMIO accesses. The concept of checking and retrying PCI MMIO accesses for better reliability in older motherboards was suggested by Steve Toth <stoth@linuxtv.org>. This change implements MMIO retries and the retry_mmio module parameter that is enabled by default. Limited experiments have shown this is more reliable than the mmio_ndelay parameter. mmio_ndelay has insignificant effect with retries enabled. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (8939): cx18: fix sparse warningsHans Verkuil2008-10-12
| | | | | Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (8914): cx18: Throttle mmio to/from the CX23418 so boards work in ↵Andy Walls2008-10-12
| | | | | | | | | | | | | | | | | older systems cx18: Throttle mmio to/from the CX23418 so boards work in older systems. The CX23418 couldn't reliably handle mmio at the rate at which the cx18 driver was attempting to access the chip. The PCI bridge arrangements and settings on modern motherboards still allowed the CX23418 to work OK, but it didn't work well on many older motherboards: mysterious I2C errors, firmware loading errors, etc. This patch adds a throttle to *all* mmio access to the CX23418. It defaults to a delay of 31 ns, but is adjustable by the mmio_ndelay module parm. My HVR-1600 and Raptor PAL/SECAM card now function for analog capture on a motherboard with an Intel 82810E Northbridge and 82801AA Southbridge. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (8913): cx18: Create cx18_ specific wrappers for all pci mmio ↵Andy Walls2008-10-12
| | | | | | | | | | | accessesors. cx18: Create cx18_ specific wrappers for all pci mmio accessesors. This is a first step in instrumenting all CX23418 PCI bus IO, to debug problems with accessing the CX23418's PCI memory mapped IO. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (8912): cx18: Correct CX23418 PCI configuration settings.Andy Walls2008-10-12
| | | | | | | | | | cx18: Correct CX23418 PCI configuration settings. The CX23418 doesn't have I/O space registers, so there was no need to try and turn them on (the card ignores the attempt to set the bit anyway). Also removed incorrect config space register setting that was errantly borrowed from ivtv. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB: follow lspci device/vendor styleBjorn Helgaas2008-10-12
| | | | | | | | Use "[%04x:%04x]" for PCI vendor/device IDs to follow the format used by lspci(8). Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* V4L/DVB (8757): v4l-dvb: fix a bunch of sparse warningsHans Verkuil2008-09-03
| | | | | | | | 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>
* V4L/DVB (8331): cx18: Add locking for struct cx18 GPIO state variablesAndy Walls2008-07-20
| | | | | | | | | cx18: Add locking for struct cx18 GPIO state variables in anticpation of adding IR microcontroller reset support for use by external IR modules. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (8169): cx18: enable TS supportHans Verkuil2008-07-20
| | | | | Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (8164): cx18/ivtv: choose a better initial TV standard for cards ↵Hans Verkuil2008-07-20
| | | | | | | without eeprom. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (8089): cx18: add support for Conexant Raptor PAL/SECAM cardSri Deevi2008-07-20
| | | | | | | | Patch provided courtesy of Conexant http://www.conexant.com. Signed-off-by: Srinivasa Deevi <srinivasa.deevi@conexant.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (8082): cx18: convert to video_ioctl2()Andy Walls2008-07-20
| | | | | | | | | | | | cx18: convert driver to use video_ioctl2(). Pushed down ioctl debug messages and priority checks as well. Still left serialization lock in place for now. #if 0'ed out sliced vbi ioctl code for now. Patch heavily based on similar changes made to ivtv by Hans Verkuil. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (7924): ivtv/cx18: snprintf fixesJean Delvare2008-07-20
| | | | | | | | | snprinf() takes the trailing \0 into account in its length calculations, so there is no need to subtract 1 to the buffer size. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (7977): cx18: fix init order and remove duplicate open_on_first_use.Hans Verkuil2008-06-05
| | | | | Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (7964): cx18 iomem annotationsAl Viro2008-06-05
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (7931): cx18: allow for simultaneous digital and analog captureHans Verkuil2008-06-05
| | | | | | | | | | | The HVR-1600 can do both analog and digital capture at the same time. Due to a driver bug -EBUSY would be returned when attempting to setup an analog capture while a digital capture was already in progress. Separate the two internally. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (7890): cx18: removed bogus and confusing conditionalHans Verkuil2008-05-14
| | | | | Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (7889): cx18: improve HVR-1600 detection.Hans Verkuil2008-05-14
| | | | | Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (7856): cx18/: possible cleanupsAdrian Bunk2008-05-14
| | | | | | | | | | | | | | | | | This patch contains the following possible cleanups: - cx18-i2c.c should #include "cx18-i2c.h" for getting the prototypes of it's global functions - make the following needlessly global functions static: - cx18-fileops.c:cx18_claim_stream() - cx18-fileops.c:cx18_release_stream() - cx18-queue.c:cx18_queue_move() - remove the following unused functions: - cx18-driver.c:cx18_waitq() - cx18-queue.c:cx18_buf_copy_from_user() Signed-off-by: Adrian Bunk <bunk@kernel.org> Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (7854): cx18/ivtv: improve and fix out-of-memory handlingHans Verkuil2008-05-14
| | | | | | | | | - don't show kernel backtrace when the allocation of the buffers fails: the normal ivtv/cx18 messages are clear enough and the backtrace scares users. - fix cleanup after the buffer allocation fails (caused kernel panic). Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (7853): ivtv/cx18: fix compile warningsHans Verkuil2008-05-14
| | | | | | | Fix compile warnings if MODULE is not defined. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* misc: fix integer as NULL pointer warningsHarvey Harrison2008-05-08
| | | | | | | | | | | | drivers/md/raid10.c:889:17: warning: Using plain integer as NULL pointer drivers/media/video/cx18/cx18-driver.c:616:12: warning: Using plain integer as NULL pointer sound/oss/kahlua.c:70:12: warning: Using plain integer as NULL pointer Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Cc: Neil Brown <neilb@suse.de> Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* V4L/DVB (7789b): Fix merge conflictsMauro Carvalho Chehab2008-04-29
| | | | | | | | Some Kconfig names were changed. This patch reapplies the rename script, fixing for those drivers merged after the patch that renamed those items. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (7786): cx18: new driver for the Conexant CX23418 MPEG encoder chipHans Verkuil2008-04-29
Many thanks to Steve Toth from Hauppauge and Nattu Dakshinamurthy from Conexant for their support. I am in particular thankful to Hauppauge since without their help this driver would not exist. It should also be noted that Steve did the work to get the DVB part up and running. Thank you! Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Steven Toth <stoth@hauppauge.com> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: G. Andrew Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-14 19:51:47 -0500