Commit c0d01382 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab

[media] doc-rst: add soc-camera documentation

Convert it to ReST format and add it at media/v4l-drivers book.
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent f1668f1d
......@@ -38,4 +38,5 @@ License".
si470x
si4713
si476x
soc-camera
zr364xx
SI476x Driver Readme
------------------------------------------------
Copyright (C) 2013 Andrey Smirnov <andrew.smirnov@gmail.com>
.. include:: <isonum.txt>
The SI476x Driver
=================
Copyright |copy| 2013 Andrey Smirnov <andrew.smirnov@gmail.com>
TODO for the driver
------------------------------
-------------------
- According to the SiLabs' datasheet it is possible to update the
firmware of the radio chip in the run-time, thus bringing it to the
......
Soc-Camera Subsystem
====================
The Soc-Camera Drivers
======================
Author: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Terminology
-----------
......@@ -45,10 +47,14 @@ Camera host API
A host camera driver is registered using the
soc_camera_host_register(struct soc_camera_host *);
.. code-block:: none
soc_camera_host_register(struct soc_camera_host *);
function. The host object can be initialized as follows:
.. code-block:: none
struct soc_camera_host *ici;
ici->drv_name = DRV_NAME;
ici->ops = &camera_host_ops;
......@@ -58,18 +64,20 @@ function. The host object can be initialized as follows:
All camera host methods are passed in a struct soc_camera_host_ops:
static struct soc_camera_host_ops camera_host_ops = {
.owner = THIS_MODULE,
.add = camera_add_device,
.remove = camera_remove_device,
.set_fmt = camera_set_fmt_cap,
.try_fmt = camera_try_fmt_cap,
.init_videobuf2 = camera_init_videobuf2,
.poll = camera_poll,
.querycap = camera_querycap,
.set_bus_param = camera_set_bus_param,
/* The rest of host operations are optional */
};
.. code-block:: none
static struct soc_camera_host_ops camera_host_ops = {
.owner = THIS_MODULE,
.add = camera_add_device,
.remove = camera_remove_device,
.set_fmt = camera_set_fmt_cap,
.try_fmt = camera_try_fmt_cap,
.init_videobuf2 = camera_init_videobuf2,
.poll = camera_poll,
.querycap = camera_querycap,
.set_bus_param = camera_set_bus_param,
/* The rest of host operations are optional */
};
.add and .remove methods are called when a sensor is attached to or detached
from the host. .set_bus_param is used to configure physical connection
......@@ -159,6 +167,3 @@ configure camera drivers to produce the FOURCC format, requested by the user,
using the VIDIOC_S_FMT ioctl(). Apart from those standard format conversions,
host drivers can also provide their own conversion rules by implementing a
.get_formats and, if required, a .put_formats methods.
--
Author: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
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