From: Todor Tomov <todor.tomov@linaro.org>
To: mchehab@kernel.org, hans.verkuil@cisco.com,
javier@osg.samsung.com, s.nawrocki@samsung.com,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org
Cc: Todor Tomov <todor.tomov@linaro.org>
Subject: [PATCH v2 12/19] doc: media/v4l-drivers: Qualcomm Camera Subsystem - PIX Interface
Date: Mon, 19 Jun 2017 17:48:32 +0300 [thread overview]
Message-ID: <1497883719-12410-13-git-send-email-todor.tomov@linaro.org> (raw)
In-Reply-To: <1497883719-12410-1-git-send-email-todor.tomov@linaro.org>
Update Qualcomm Camera Subsystem driver document for the PIX interface
and format conversion support.
Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
---
Documentation/media/v4l-drivers/qcom_camss.rst | 41 +++++++++++++++++++-------
1 file changed, 31 insertions(+), 10 deletions(-)
diff --git a/Documentation/media/v4l-drivers/qcom_camss.rst b/Documentation/media/v4l-drivers/qcom_camss.rst
index 4707ea7..4df5655 100644
--- a/Documentation/media/v4l-drivers/qcom_camss.rst
+++ b/Documentation/media/v4l-drivers/qcom_camss.rst
@@ -45,12 +45,31 @@ Supported functionality
The current version of the driver supports:
-- input from camera sensor via CSIPHY;
-- generation of test input data by the TG in CSID;
-- raw dump of the input data to memory. RDI interface of VFE is supported.
- PIX interface (ISP processing, statistics engines, resize/crop, format
- conversion) is not supported in the current version;
-- concurrent and independent usage of two data inputs - could be camera sensors
+- Input from camera sensor via CSIPHY;
+- Generation of test input data by the TG in CSID;
+- RDI interface of VFE - raw dump of the input data to memory.
+
+ Supported formats:
+
+ - YUYV/UYVY/YVYU/VYUY (packed YUV 4:2:2);
+ - MIPI RAW8 (8bit Bayer RAW);
+ - MIPI RAW10 (10bit packed Bayer RAW);
+ - MIPI RAW12 (12bit packed Bayer RAW).
+
+- PIX interface of VFE
+
+ - Format conversion of the input data.
+
+ Supported input formats:
+
+ - YUYV/UYVY/YVYU/VYUY (packed YUV 4:2:2).
+
+ Supported output formats:
+
+ - NV12/NV21 (two plane YUV 4:2:0);
+ - NV16/NV61 (two plane YUV 4:2:2).
+
+- Concurrent and independent usage of two data inputs - could be camera sensors
and/or TG.
@@ -65,15 +84,15 @@ interface, the driver is split into V4L2 sub-devices as follows:
- 2 CSID sub-devices - each CSID is represented by a single sub-device;
- 2 ISPIF sub-devices - ISPIF is represented by a number of sub-devices equal
to the number of CSID sub-devices;
-- 3 VFE sub-devices - VFE is represented by a number of sub-devices equal to
- the number of RDI input interfaces.
+- 4 VFE sub-devices - VFE is represented by a number of sub-devices equal to
+ the number of the input interfaces (3 RDI and 1 PIX).
The considerations to split the driver in this particular way are as follows:
- representing CSIPHY and CSID modules by a separate sub-device for each module
allows to model the hardware links between these modules;
-- representing VFE by a separate sub-devices for each RDI input interface allows
- to use the three RDI interfaces concurently and independently as this is
+- representing VFE by a separate sub-devices for each input interface allows
+ to use the input interfaces concurently and independently as this is
supported by the hardware;
- representing ISPIF by a number of sub-devices equal to the number of CSID
sub-devices allows to create linear media controller pipelines when using two
@@ -99,6 +118,8 @@ nodes) is as follows:
- msm_vfe0_video1
- msm_vfe0_rdi2
- msm_vfe0_video2
+- msm_vfe0_pix
+- msm_vfe0_video3
Implementation
--
1.9.1
next prev parent reply other threads:[~2017-06-19 15:07 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-19 14:48 [PATCH v2 00/19] Qualcomm 8x16 Camera Subsystem driver Todor Tomov
2017-06-19 14:48 ` [PATCH v2 01/19] doc: DT: camss: Binding document for Qualcomm Camera subsystem driver Todor Tomov
2017-06-23 20:41 ` Rob Herring
2017-06-29 12:11 ` Todor Tomov
2017-06-19 14:48 ` [PATCH v2 02/19] MAINTAINERS: Add " Todor Tomov
2017-06-19 14:48 ` [PATCH v2 03/19] doc: media/v4l-drivers: Add Qualcomm Camera Subsystem driver document Todor Tomov
2017-06-19 14:48 ` [PATCH v2 04/19] media: camss: Add CSIPHY files Todor Tomov
2017-06-28 21:34 ` Sakari Ailus
2017-06-29 16:36 ` Todor Tomov
2017-06-29 23:53 ` Sakari Ailus
2017-06-30 7:00 ` Todor Tomov
2017-06-30 8:05 ` Sakari Ailus
2017-06-19 14:48 ` [PATCH v2 05/19] media: camss: Add CSID files Todor Tomov
2017-07-03 10:49 ` Hans Verkuil
2017-07-03 14:10 ` Todor Tomov
2017-06-19 14:48 ` [PATCH v2 06/19] media: camss: Add ISPIF files Todor Tomov
2017-06-19 14:48 ` [PATCH v2 07/19] media: camss: Add VFE files Todor Tomov
2017-06-19 14:48 ` [PATCH v2 08/19] media: camss: Add files which handle the video device nodes Todor Tomov
2017-07-03 11:32 ` Hans Verkuil
2017-07-06 13:44 ` Todor Tomov
2017-07-06 14:43 ` Hans Verkuil
2017-06-19 14:48 ` [PATCH v2 09/19] media: camms: Add core files Todor Tomov
2017-06-29 6:33 ` Sakari Ailus
2017-07-03 14:03 ` Todor Tomov
2017-07-04 5:43 ` Sakari Ailus
2017-07-03 11:24 ` Hans Verkuil
2017-07-03 14:12 ` Todor Tomov
2017-06-19 14:48 ` [PATCH v2 10/19] media: camss: Enable building Todor Tomov
2017-06-20 10:30 ` kbuild test robot
2017-06-20 11:20 ` Todor Tomov
2017-06-19 14:48 ` [PATCH v2 11/19] camss: vfe: Format conversion support using PIX interface Todor Tomov
2017-06-19 14:48 ` Todor Tomov [this message]
2017-06-19 14:48 ` [PATCH v2 13/19] camss: vfe: Support for frame padding Todor Tomov
2017-06-19 14:48 ` [PATCH v2 14/19] camss: vfe: Add interface for scaling Todor Tomov
2017-06-19 14:48 ` [PATCH v2 15/19] camss: vfe: Configure scaler module in VFE Todor Tomov
2017-06-19 14:48 ` [PATCH v2 16/19] camss: vfe: Add interface for cropping Todor Tomov
2017-06-19 14:48 ` [PATCH v2 17/19] camss: vfe: Configure crop module in VFE Todor Tomov
2017-06-19 14:48 ` [PATCH v2 18/19] doc: media/v4l-drivers: Qualcomm Camera Subsystem - Scale and crop Todor Tomov
2017-06-19 14:48 ` [PATCH v2 19/19] camss: Use optimal clock frequency rates Todor Tomov
2017-07-03 11:36 ` [PATCH v2 00/19] Qualcomm 8x16 Camera Subsystem driver Hans Verkuil
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