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path: root/drivers/media/i2c/mt9p031.c
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* [media] media framework: rename pads init function to media_entity_pads_init()Mauro Carvalho Chehab2016-01-111-1/+1
| | | | | | | | | | | | | | | | | With the MC next gen rework, what's left for media_entity_init() is to just initialize the PADs. However, certain devices, like a FLASH led/light doesn't have any input or output PAD. So, there's no reason why calling media_entity_init() would be mandatory. Also, despite its name, what this function actually does is to initialize the PADs data. So, rename it to media_entity_pads_init() in order to reflect that. The media entity actual init happens during entity register, at media_device_register_entity(). We should move init of num_links and num_backlinks to it. Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] media: get rid of unused "extra_links" param on media_entity_init()Mauro Carvalho Chehab2016-01-111-1/+1
| | | | | | | | | | | | | | | | | | Currently, media_entity_init() creates an array with the links, allocated at init time. It provides a parameter (extra_links) that would allocate more links than the current needs, but this is not used by any driver. As we want to be able to do dynamic link allocation/removal, we'll need to change the implementation of the links. So, before doing that, let's first remove that extra unused parameter, in order to cleanup the interface first. Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] i2c: constify v4l2_ctrl_ops structuresJulia Lawall2015-11-171-1/+1
| | | | | | | | | | | These v4l2_ctrl_ops structures are never modified, like all the other v4l2_ctrl_ops structures, so declare them as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] include/media: split I2C headers from V4L2 coreMauro Carvalho Chehab2015-11-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, include/media is messy, as it contains both the V4L2 core headers and some driver-specific headers on the same place. That makes harder to identify what core headers should be documented and what headers belong to I2C drivers that are included only by bridge/main drivers that would require the functions provided by them. Let's move those i2c specific files to its own subdirectory. The files to move were produced via the following script: mkdir include/media/i2c (cd include/media; for i in *.h; do n=`echo $i|sed s/.h$/.c/`; if [ -e ../../drivers/media/i2c/$n ]; then echo $i; git mv $i i2c/; fi; done) (cd include/media; for i in *.h; do n=`echo $i|sed s/.h$/.c/`; if [ -e ../../drivers/media/*/i2c/$n ]; then echo $i; git mv $i i2c/; fi; done) for i in include/media/*.h; do n=`basename $i`; (for j in $(git grep -l $n); do dirname $j; done)|sort|uniq|grep -ve '^.$' > list; num=$(wc -l list|cut -d' ' -f1); if [ $num == 1 ]; then if [ "`grep i2c list`" != "" ]; then git mv $i include/media/i2c; fi; fi; done And the references corrected via this script: MAIN_DIR="media/" PREV_DIR="media/" DIRS="i2c/" echo "Checking affected files" >&2 for i in $DIRS; do for j in $(find include/$MAIN_DIR/$i -type f -name '*.h'); do n=`basename $j` git grep -l $n done done|sort|uniq >files && ( echo "Handling files..." >&2; echo "for i in \$(cat files|grep -v Documentation); do cat \$i | \\"; ( cd include/$MAIN_DIR; for j in $DIRS; do for i in $(ls $j); do echo "perl -ne 's,(include [\\\"\\<])$PREV_DIR($i)([\\\"\\>]),\1$MAIN_DIR$j\2\3,; print \$_' |\\"; done; done; echo "cat > a && mv a \$i; done"; ); echo "Handling documentation..." >&2; echo "for i in MAINTAINERS \$(cat files); do cat \$i | \\"; ( cd include/$MAIN_DIR; for j in $DIRS; do for i in $(ls $j); do echo " perl -ne 's,include/$PREV_DIR($i)\b,include/$MAIN_DIR$j\1,; print \$_' |\\"; done; done; echo "cat > a && mv a \$i; done" ); ) >script && . ./script Merged Sakari Ailus patch that moves smiapp.h to include/media/i2c. Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
* [media] v4l: mt9p031: Convert to the gpiod APILaurent Pinchart2015-04-021-20/+11
| | | | | | | | This simplifies platform data and DT integration. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] media: i2c: mt9p031: add support for asynchronous probingLad, Prabhakar2015-04-021-1/+6
| | | | | | | | | Both synchronous and asynchronous mt9p031 subdevice probing is supported by this patch. Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] media: i2c: mt9p031: make sure we destroy the mutexLad, Prabhakar2015-04-021-1/+4
| | | | | | | | | Make sure to call mutex_destroy() in case of probe failure or module unload. Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] mt9p031: fixed calculation of clk_divEnrico Scholz2015-04-021-1/+1
| | | | | | | | There must be used 'min_t', not 'max_t' for calculating the divider. Signed-off-by: Enrico Scholz <enrico.scholz@sigma-chemnitz.de> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] v4l2-subdev: replace v4l2_subdev_fh by v4l2_subdev_pad_configHans Verkuil2015-03-231-18/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a subdevice pad op is called from a bridge driver, then there is no v4l2_subdev_fh struct that can be passed to the subdevice. This made it hard to use such subdevs from a bridge driver. This patch replaces the v4l2_subdev_fh pointer by a v4l2_subdev_pad_config pointer in the pad ops. This allows bridge drivers to use the various try_ pad ops by creating a v4l2_subdev_pad_config struct and passing it along to the pad op. The v4l2_subdev_get_try_* macros had to be changed because of this, so I also took the opportunity to use the full name of the v4l2_subdev_get_try_* functions in the __V4L2_SUBDEV_MK_GET_TRY macro arguments: if you now do 'git grep v4l2_subdev_get_try_format' you will actually find the header where it is defined. One remark regarding the drivers/staging/media/davinci_vpfe patches: the *_init_formats() functions assumed that fh could be NULL. However, that's not true for this driver, it's always set. This is almost certainly a copy and paste from the omap3isp driver. I've updated the code to reflect the fact that fh is never NULL. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Tested-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] v4l2 subdevs: replace get/set_crop by get/set_selectionHans Verkuil2014-12-221-18/+23
| | | | | | | | | | | | | The crop and selection pad ops are duplicates. Replace all uses of get/set_crop by get/set_selection. This will make it possible to drop get/set_crop altogether. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Prabhakar Lad <prabhakar.csengg@gmail.com> Cc: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] i2c: Make use of media_bus_format enumBoris BREZILLON2014-11-141-4/+4
| | | | | | | | | | | | | | | In order to have subsytem agnostic media bus format definitions we've moved media bus definitions to include/uapi/linux/media-bus-format.h and prefixed values with MEDIA_BUS_FMT instead of V4L2_MBUS_FMT. Replace all references to the old definitions in i2c drivers. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
* [media] mt9p031: Fix BLC configuration restore when disabling test patternLaurent Pinchart2014-05-231-10/+26
| | | | | | | | | | | Auto BLC and BLC digital offset are disabled when enabling the test pattern and must be restored when disabling it. The driver does so by calling the set control handler on the auto BLC and BLC offset controls, but this programs the hardware with the new value of those controls, not the current value. Fix this by writing to the registers directly. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] mt9p031: Really disable Black Level Calibration in test pattern modeLaurent Pinchart2014-05-231-4/+13
| | | | | | | | | | | | | | The digital side of the Black Level Calibration (BLC) function must be disabled when generating a test pattern to avoid artifacts in the image. The driver disables BLC correctly at the hardware level, but the feature gets reenabled by v4l2_ctrl_handler_setup() the next time the device is powered on. Fix this by marking the BLC controls as inactive when generating a test pattern, and ignoring control set requests on inactive controls. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* Merge branch 'v4l_for_linus' of ↵Linus Torvalds2014-04-041-4/+45
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: "The main set of series of patches for media subsystem, including: - document RC sysfs class - added an API to setup scancode to allow waking up systems using the Remote Controller - add API for SDR devices. Drivers are still on staging - some API improvements for getting EDID data from media inputs/outputs - new DVB frontend driver for drx-j (ATSC) - one driver (it913x/it9137) got removed, in favor of an improvement on another driver (af9035) - added a skeleton V4L2 PCI driver at documentation - added a dual flash driver (lm3646) - added a new IR driver (img-ir) - added an IR scancode decoder for the Sharp protocol - some improvements at the usbtv driver, to allow its core to be reused. - added a new SDR driver (rtl2832u_sdr) - added a new tuner driver (msi001) - several improvements at em28xx driver to fix PM support, device removal and to split the V4L2 specific bits into a separate sub-driver - one driver got converted to videobuf2 (s2255drv) - the e4000 tuner driver now follows an improved binding model - some fixes at V4L2 compat32 code - several fixes and enhancements at videobuf2 code - some cleanups at V4L2 API documentation - usual driver enhancements, new board additions and misc fixups" [ NOTE! This merge effective drops commit 4329b93b283c ("of: Reduce indentation in of_graph_get_next_endpoint"). The of_graph_get_next_endpoint() function was moved and renamed by commit fd9fdb78a9bf ("[media] of: move graph helpers from drivers/media/v4l2-core to drivers/of"). It was originally called v4l2_of_get_next_endpoint() and lived in the file drivers/media/v4l2-core/v4l2-of.c. In that original location, it was then fixed to support empty port nodes by commit b9db140c1e46 ("[media] v4l: of: Support empty port nodes"), and that commit clashes badly with the dropped "Reduce intendation" commit. I had to choose one or the other, and decided that the "Support empty port nodes" commit was more important ] * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (426 commits) [media] em28xx-dvb: fix PCTV 461e tuner I2C binding Revert "[media] em28xx-dvb: fix PCTV 461e tuner I2C binding" [media] em28xx: fix PCTV 290e LNA oops [media] em28xx-dvb: fix PCTV 461e tuner I2C binding [media] m88ds3103: fix bug on .set_tone() [media] saa7134: fix WARN_ON during resume [media] v4l2-dv-timings: add module name, description, license [media] videodev2.h: add parenthesis around macro arguments [media] saa6752hs: depends on CRC32 [media] si4713: fix Kconfig dependencies [media] Sensoray 2255 uses videobuf2 [media] adv7180: free an interrupt on failure paths in init_device() [media] e4000: make VIDEO_V4L2 dependency optional [media] af9033: Don't export functions for the hardware filter [media] af9035: use af9033 PID filters [media] af9033: implement PID filter [media] rtl2832_sdr: do not use dynamic stack allocation [media] e4000: fix 32-bit build error [media] em28xx-audio: make sure audio is unmuted on open() [media] DocBook media: v4l2_format_sdr was renamed to v4l2_sdr_format ...
| * [media] mt9p031: Check return value of clk_prepare_enable/clk_set_rateLad, Prabhakar2014-02-241-3/+12
| | | | | | | | | | | | | | | | | | clk_set_rate(), clk_prepare_enable() functions can fail, so check the return values to avoid surprises. Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
| * [media] mt9p031: Add support for PLL bypassLaurent Pinchart2014-02-241-0/+32
| | | | | | | | | | | | | | | | | | When the input clock frequency is out of bounds for the PLL, bypass the PLL and just divide the input clock to achieve the requested output frequency. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
| * [media] mt9p031: Fix typo in commentLaurent Pinchart2014-02-241-1/+1
| | | | | | | | | | Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* | [media] of: move graph helpers from drivers/media/v4l2-core to drivers/ofPhilipp Zabel2014-03-061-2/+2
|/ | | | | | | | | | | | | | | | | | | | | This patch moves the parsing helpers used to parse connected graphs in the device tree, like the video interface bindings documented in Documentation/devicetree/bindings/media/video-interfaces.txt, from drivers/media/v4l2-core/v4l2-of.c into drivers/of/base.c. This allows to reuse the same parser code from outside the V4L2 framework, most importantly from display drivers. The functions v4l2_of_get_next_endpoint, v4l2_of_get_remote_port, and v4l2_of_get_remote_port_parent are moved. They are renamed to of_graph_get_next_endpoint, of_graph_get_remote_port, and of_graph_get_remote_port_parent, respectively. Since there are not that many current users yet, switch all of them to the new functions right away. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Mauro Carvalho Chehab <m.chehab@samsung.com> Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
* [media] videodev2: Set vb2_rect's width and height as unsignedRicardo Ribalda2014-01-071-12/+16
| | | | | | | | | | | | | | As discussed on the media summit 2013, there is no reason for the width and height to be signed. Therefore this patch is an attempt to convert those fields from __s32 to __u32. Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Acked-by: Sakari Ailus <sakari.ailus@iki.fi> (documentation and smiapp) Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
* [media] mt9p031: Include linux/of.h headerSachin Kamat2013-12-031-0/+1
| | | | | | | | | 'of_match_ptr' is defined in linux/of.h. Include it explicitly to avoid build breakage in the future. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] mt9p031: Use bulk regulator APILaurent Pinchart2013-06-171-15/+15
| | | | | | | | | | The sensor is powered by three supplies. Use the bulk regulator API to enable and disable them instead of performing the operations manually. This fixes a warning caused by ignoring the return value of regulator_enable(). Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] media: i2c: mt9p031: add OF supportLad, Prabhakar2013-06-171-2/+40
| | | | | | | | | | Add OF support for the mt9p031 sensor driver. Alongside this patch sorts the header inclusion alphabetically. Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] media/i2c: remove g_chip_ident opHans Verkuil2013-06-171-1/+0
| | | | | | | | | This is no longer needed since the core now handles this through DBG_G_CHIP_INFO. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] mt9p031: Use gpio_is_valid()Laurent Pinchart2013-05-211-4/+4
| | | | | | | | | | Replace the manual validity checks for the reset GPIO with the gpio_is_valid() function. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] mt9p031: Power down the sensor if no supported device has been detectedGuennadi Liakhovetski2013-05-211-3/+3
| | | | | | | | | | The mt9p031 driver first accesses the I2C device in its .registered() method. While doing that it first powers the device up, but if probing fails, it doesn't power the chip back down. This patch fixes that bug. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] mt9p031: Use the common clock frameworkLaurent Pinchart2013-04-141-7/+14
| | | | | | | | | Configure the device external clock using the common clock framework instead of a board code callback function. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] mt9p031: Add support for regulatorsLaurent Pinchart2013-04-141-0/+24
| | | | | | | | | | Enable the regulators when powering the sensor up, and disable them when powering it down. The regulators are mandatory. Boards that don't allow controlling the sensor power lines must provide fixed voltage regulators. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] mt9p031: Use devm_* managed helpersLaurent Pinchart2013-04-141-10/+3
| | | | | | | Replace kzalloc and gpio_request_one by their managed equivalents. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] media: mt9p031/mt9t001/mt9v032: use V4L2_CID_TEST_PATTERN for test ↵Lad, Prabhakar2012-10-051-14/+5
| | | | | | | | | | | | | | pattern control V4L2_CID_TEST_PATTERN is now a standard control. This patch replaces the user defined control for test pattern to make use of standard control V4L2_CID_TEST_PATTERN. Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com> Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] mt9p031: Fix horizontal and vertical blanking configurationLaurent Pinchart2012-09-131-6/+6
| | | | | | | | | | Compute the horizontal blanking value according to the datasheet. The value written to the hblank and vblank registers must be equal to the number of blank columns and rows minus one. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] move i2c files into drivers/media/i2cMauro Carvalho Chehab2012-08-151-0/+1071
Move ancillary I2C drivers into drivers/media/i2c, in order to better organize them. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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