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* [media] V4L: docbook documentation for struct v4l2_create_buffersGuennadi Liakhovetski2011-11-03
| | | | | Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] soc_camera: remove the now obsolete struct soc_camera_opsHans Verkuil2011-11-03
| | | | | | | Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> [g.liakhovetski@gmx.de: mt9m001 hunk moved to an earlier patch] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] mt9t031: convert to the control frameworkHans Verkuil2011-11-03
| | | | | | | Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> [g.liakhovetski@gmx.de: simplified pointer arithmetic] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] mt9m111: convert to the control frameworkHans Verkuil2011-11-03
| | | | | | | Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> [g.liakhovetski@gmx.de: simplified pointer arithmetic] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] mt9m001: convert to the control frameworkHans Verkuil2011-11-03
| | | | | | | Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> [g.liakhovetski@gmx.de: simplified pointer arithmetic] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] ov9740: convert to the control frameworkHans Verkuil2011-11-03
| | | | | | Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] ov6650: convert to the control frameworkHans Verkuil2011-11-03
| | | | | | | | | Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> [g.liakhovetski@gmx.de: simplified pointer arithmetic] [jkrzyszt@tis.icnet.pl: fix a typo in the register name] Acked-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] ov2640: convert to the control frameworkHans Verkuil2011-11-03
| | | | | | Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] mt9v022: convert to the control frameworkHans Verkuil2011-11-03
| | | | | | | Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> [g.liakhovetski@gmx.de: simplified pointer arithmetic] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] rj54n1cb0c: convert to the control frameworkHans Verkuil2011-11-03
| | | | | | | Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> [g.liakhovetski@gmx.de: simplified pointer arithmetic] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: soc-camera: call subdevice .s_power() method, when powering up ↵Guennadi Liakhovetski2011-11-03
| | | | | | | | | | | | | or down Currently soc-camera can use power regulators and platform specific methods to power clients up and down. Additionally, client drivers can provide their own subdevice .s_power() methods, acting directly on the device. This patch adds calls to this method, when external power supplies are on. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: soc_camera_platform: do not leave dangling invalid pointersGuennadi Liakhovetski2011-11-03
| | | | | | | | | The life-time of soc-camera device objects can be longer, than the time, it is attached to a client driver, therefore all references to the driver own data have to be cleared, when the driver is detached. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: soc-camera: split a function into twoGuennadi Liakhovetski2011-11-03
| | | | | | | | | | | The soc_camera_power_set() function processes two cases: power on anf off. These two cases don't share and common code, and the function is always called with a constant power on / off argument. Splitting this function into two removes a condition check, reduces indentation levels and makes the code look cleaner. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: sh_mobile_csi2: do not guess the client, the host tells usGuennadi Liakhovetski2011-11-03
| | | | | | | | We do not have to scan the list of subdevices to find our client - the sensor, the host has already set our grp_id value. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: sh_mobile_ceu_camera: the host shall configure the pipelineGuennadi Liakhovetski2011-11-03
| | | | | | | | | It is a task of the host / bridge driver to bind single subdevices into a pipeline, not of respective subdevices. Eventually this might be handled by the Media Controller API. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: soc-camera: add 2 new ioctl() handlersGuennadi Liakhovetski2011-11-03
| | | | | | | | This patch adds two new ioctl() handlers: .vidioc_create_bufs() and .vidioc_prepare_buf() for compliant vb2 soc-camera hosts. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: mx3-camera: prepare to support multi-size buffersGuennadi Liakhovetski2011-11-03
| | | | | | | | | | | | Prepare the mx3_camera friver to support the new VIDIOC_CREATE_BUFS and VIDIOC_PREPARE_BUF ioctl()s. The .queue_setup() vb2 operation must be able to handle buffer sizes, provided by the caller, and the .buf_prepare() operation must not use the currently configured frame format for its operation, which makes it superfluous for this driver. Its functionality is moved into .buf_queue(). Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: sh-mobile-ceu-camera: prepare to support multi-size buffersGuennadi Liakhovetski2011-11-03
| | | | | | | | | | | Prepare the sh_mobile_ceu_camera friver to support the new VIDIOC_CREATE_BUFS and VIDIOC_PREPARE_BUF ioctl()s. The .queue_setup() vb2 operation must be able to handle buffer sizes, provided by the caller, and the .buf_prepare() operation must not use the currently configured frame format for its operation. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] ov772x: convert to the control frameworkHans Verkuil2011-11-03
| | | | | | | Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> [g.liakhovetski@gmx.de: simplified pointer arithmetic] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] ov9640: convert to the control frameworkHans Verkuil2011-11-03
| | | | | | Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] sh_mobile_ceu_camera: implement the control handlerHans Verkuil2011-11-03
| | | | | | | | | | And since this is the last and only host driver that uses controls, also remove the now obsolete control fields from soc_camera.h. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> [g.liakhovetski@gmx.de: moved code around, fixed problems] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] soc_camera: add control handler supportHans Verkuil2011-11-03
| | | | | | | | | | | The soc_camera framework is switched over to use the control framework. After this patch none of the controls in subdevs or host drivers are available, until those drivers are also converted to the control framework. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> [g.liakhovetski@gmx.de: moved code around, fixed problems] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] dmaengine: ipu-idmac: add support for the DMA_PAUSE controlGuennadi Liakhovetski2011-11-03
| | | | | | | | | | To support multi-size buffers in the mx3_camera V4L2 driver we have to be able to stop DMA on a channel without releasing descriptors and completely halting the hardware. Use the DMA_PAUSE control to implement this mode. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Vinod Koul <vinod.koul@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: vb2: add support for buffers of different sizes on a single queueGuennadi Liakhovetski2011-11-03
| | | | | | | | | | | The two recently added ioctl()s VIDIOC_CREATE_BUFS and VIDIOC_PREPARE_BUF allow user-space applications to allocate video buffers of different sizes and hand them over to the driver for fast switching between different frame formats. This patch adds support for buffers of different sizes on the same buffer-queue to vb2. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: vb2: prepare to support multi-size buffersGuennadi Liakhovetski2011-11-03
| | | | | | | | | In preparation for the forthcoming VIDIOC_CREATE_BUFS ioctl add a "const struct v4l2_format *" argument to the .queue_setup() vb2 operation. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: videobuf2: update buffer state on VIDIOC_QBUFGuennadi Liakhovetski2011-11-03
| | | | | | | | | V4L2 specification states, that the videobuffer state flags have to be updated on VIDIOC_QBUF ioctl(). Videobuf2 currently doesn't do that, which is fixed by this patch. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: add two new ioctl()s for multi-size videobuffer managementGuennadi Liakhovetski2011-11-03
| | | | | | | | | | A possibility to preallocate and initialise buffers of different sizes in V4L2 is required for an efficient implementation of a snapshot mode. This patch adds two new ioctl()s: VIDIOC_CREATE_BUFS and VIDIOC_PREPARE_BUF and defines respective data structures. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: add a new videobuf2 buffer state VB2_BUF_STATE_PREPAREDGuennadi Liakhovetski2011-11-03
| | | | | | | | This patch prepares for a better separation of the buffer preparation stage. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: omap1-camera: fix Oops with NULL platform dataGuennadi Liakhovetski2011-11-03
| | | | | | | | Consistently check for platform data != NULL before dereferencing. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: sh-mobile-ceu-camera: fix mixed CSI2 & parallel camera caseGuennadi Liakhovetski2011-11-03
| | | | | | | | | The current sh_mobile_ceu_camera driver can cause an Oops, if a CSI2 and a parallel camera are registered on the same CEU. Fix it by making CSI2 association with a camera more targeted. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: mt9t112: fix broken cropping and scalingGuennadi Liakhovetski2011-11-03
| | | | | | | | | | | | G_CROP, S_CROP, CROPCAP, G_FMT, and S_FMT functionality in the mt9t112 driver was broken on many occasions. This patch allows consistent cropping for rectangles also larger than VGA and cleans up multiple other issues in this area. It still doesn't add support for proper scaling, using the sensor own scaler, so input window is still always equal to the output frame. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: soc-camera: remove soc-camera client bus-param operations and ↵Guennadi Liakhovetski2011-11-03
| | | | | | | | | | | supporting code soc-camera has been completely ported over to V4L2 subdevice mbus-config operations, soc-camera client bus-param operations and supporting code can now be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: tw9910: remove superfluous soc-camera client operationsGuennadi Liakhovetski2011-11-03
| | | | | | | | | Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: soc_camera_platform: remove superfluous soc-camera client ↵Guennadi Liakhovetski2011-11-03
| | | | | | | | | | | operations Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: sh_mobile_csi2: remove superfluous soc-camera client operationsGuennadi Liakhovetski2011-11-03
| | | | | | | | | Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: rj54n1cb0c: remove superfluous soc-camera client operationsGuennadi Liakhovetski2011-11-03
| | | | | | | | | Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: ov9740: remove superfluous soc-camera client operationsGuennadi Liakhovetski2011-11-03
| | | | | | | | | Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: ov9640: remove superfluous soc-camera client operationsGuennadi Liakhovetski2011-11-03
| | | | | | | | | Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: ov772x: remove superfluous soc-camera client operationsGuennadi Liakhovetski2011-11-03
| | | | | | | | | Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: ov6650: remove superfluous soc-camera client operationsGuennadi Liakhovetski2011-11-03
| | | | | | | | | Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: ov5642: remove superfluous soc-camera client operationsGuennadi Liakhovetski2011-11-03
| | | | | | | | | Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: ov2640: remove superfluous soc-camera client operationsGuennadi Liakhovetski2011-11-03
| | | | | | | | | Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: mt9v022: remove superfluous soc-camera client operationsGuennadi Liakhovetski2011-11-03
| | | | | | | | | Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: mt9t112: remove superfluous soc-camera client operationsGuennadi Liakhovetski2011-11-03
| | | | | | | | | Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: mt9t031: remove superfluous soc-camera client operationsGuennadi Liakhovetski2011-11-03
| | | | | | | | | Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: imx074: remove superfluous soc-camera client operationsGuennadi Liakhovetski2011-11-03
| | | | | | | | | Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: mt9m111: remove superfluous soc-camera client operationsGuennadi Liakhovetski2011-11-03
| | | | | | | | | Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: mt9m001: remove superfluous soc-camera client operationsGuennadi Liakhovetski2011-11-03
| | | | | | | | | Now that all soc-camera hosts have been ported to use V4L2 subdevice mediabus-config operations and soc-camera client bus-parameter operations have been made optional, they can be removed. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: soc-camera: camera client operations no longer compulsoryGuennadi Liakhovetski2011-11-03
| | | | | | | | | With the transition of all soc-camera host drivers to use V4L2 subdevice .[gs]_mbus_config() operations, soc-camera client operations no longer have to be compulsory. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] V4L: sh_mobile_ceu_camera: convert to the new mbus-config subdev ↵Guennadi Liakhovetski2011-11-03
| | | | | | | | | | operations Switch from soc-camera specific .{query,set}_bus_param() to V4L2 subdevice .[gs]_mbus_config() operations. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>