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[PATCH] USB: ZC0301 driver updates

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ZC0301 driver updates.

Changes: + new, - removed, * cleanup, @ bugfix

@ Need usb_get|put_dev() when disconnecting, if the device is open
* Cleanups and updates in the documentation
+ Use per-device sensor structures
+ Add frame_timeout module parameter

Signed-off-by: Luca Risolia <luca.risolia@studio.unibo.it>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Luca Risolia
2006-02-25 06:57:49 +00:00
committed by Greg Kroah-Hartman
parent ccad7789d5
commit a847423905
5 changed files with 108 additions and 62 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Documentation/usb/zc0301.txt
+19 -10
View File
@@ -68,11 +68,6 @@ Some of the features of the driver are:
data transfers;
- automatic detection of image sensor;
- video format is standard JPEG;
- full support for the capabilities of every possible image sensors that can
be connected to the ZC0301 bridges, including, for istance, red, green,
blue and global gain adjustments and exposure control (see "Supported
devices" paragraph for details);
- use of default color settings for sunlight conditions;
- dynamic driver control thanks to various module parameters (see "Module
parameters" paragraph);
- up to 64 cameras can be handled at the same time; they can be connected and
@@ -171,6 +166,14 @@ Description: Force the application to unmap previously mapped buffer memory
1 = force memory unmapping (save memory)
Default: 0
-------------------------------------------------------------------------------
Name: frame_timeout
Type: uint array (min = 0, max = 64)
Syntax: <n[,...]>
Description: Timeout for a video frame in seconds. This parameter is
specific for each detected camera. This parameter can be
changed at runtime thanks to the /sys filesystem interface.
Default: 2
-------------------------------------------------------------------------------
Name: debug
Type: ushort
Syntax: <n>
@@ -198,17 +201,23 @@ devices mounting the ZC0301 Image Processor and Control Chips:
Vendor ID Product ID
--------- ----------
0x10fd 0x8050
0x041e 0x0417
0x041e 0x041e
0x041e 0x081c
0x041e 0x0834
0x041e 0x0835
0x046d 0x08ae
0x0ac8 0x0301
The following image sensors are supported:
The list above does not imply that all those devices work with this driver: up
until now only the ones that mount the following image sensors are supported;
kernel messages will always tell you whether this is the case:
Model Manufacturer
----- ------------
PAS202BCB PixArt Imaging, Inc.
All the available control settings of each image sensor are supported through
the V4L2 interface.
9. Notes for V4L2 application developers
========================================
@@ -240,6 +249,6 @@ the fingerprint is: '88E8 F32F 7244 68BA 3958 5D40 99DA 5D2A FCE6 35A4'.
- Informations about the chip internals needed to enable the I2C protocol have
been taken from the documentation of the ZC030x Video4Linux1 driver written
by Andrew Birkett <andy@nobugs.org>;
- Initialization values of the ZC0301 controller connected to the PAS202BCB
- The initialization values of the ZC0301 controller connected to the PAS202BCB
image sensor have been taken from the SPCA5XX driver maintained by
Michel Xhaard <mxhaard@magic.fr>.