PS3 Eye Driver Patch

Update: A lot has happened since this was posted. The main line kernel now includes most of these fixes!

I've had a PS3 Eye lying around for a while but I hadn't gotten around to using it because when it first came out there were no drivers for it so it sat in my closet for almost a year. I decided to check out the current state of the PS3 Eye in Linux and was happy to find that there is now support in the 2.6.31 kernel.

What I was disappointed to find out though was that there was no ability to select frame rate or control a lot of the image quality. Lucky there is patch that allows selection of frames rates all the way up to 125 fps and some image quality controls. I patched my driver and tried it out but found that the color of the image was way off and none of the given controls could fix this.

I decided to do some research and add support for brightness, contrast, hue, and auto white balance.


With Kaswy's Patch


With my patch

I'm going to just supply the whole .c file instead of a patch since they are almost the same size. Applying the patch is almost the same as Kaswy's

To apply:

Install necessary packages:

$ sudo apt-get install kernel-package libncurses5-dev wget bzip2 build-essential linux-source

Extract kernel source code:

$ sudo su

$ cd /usr/src

$ tar --bzip2 -xvf linux-source-2.6.(your version).tar.bz2

$ ln -s linux-source-2.6.(your version) linux

Replace driver:

$ cd linux

$ wget ucfilespace.uc.edu/~thrunml/ov534.c

$ rm drivers/media/video/gspca/ov534.c

$ mv ov534.c drivers/media/video/gspca/

Recompile driver:

$ cp /usr/src/linux-headers-$(uname -r)/Module.symvers /usr/src/linux

$ make oldconfig

$ make modules_prepare

$ make SUBDIRS=drivers/media/video/gspca modules

Install new driver:

$ cp drivers/media/video/gspca/gspca_ov534.ko /lib/modules/$(uname -r)/kernel/drivers/media/video/gspca

$ depmod

Check to make sure it installed:

$ modinfo gspca-ov534

filename:       /lib/modules/2.6.31-14-generic/kernel/drivers/media/video/gspca/gspca_ov534.ko

license:        GPL

description:    GSPCA/OV534 USB Camera Driver(kaswy mod for MT use V0.5 / bear24rw patch V0.1)

author:         Antonio Ospite 

srcversion:     1F87820D2B0705822B61A16

alias:          usb:v1415p2000d*dc*dsc*dp*ic*isc*ip*

depends:        gspca_main

vermagic:       2.6.31.4 SMP mod_unload modversions 

parm:           videomode: = xx //Set the videomode(see doc) (int)

parm:           autogain: = [0|1] //Autogain (agc,aec,awb) (bool)

parm:           gain: = [0..63] //main gain (int)

parm:           awb: = [0|1] //Auto White Balance (bool)

parm:           exposure: = [0..255] //Exposure (int)

parm:           brightness: = [0..255] //Brightness (int)

parm:           contrast: = [0..255] //Contrast (int)

parm:           redblc: = [0..255] //Red Balance (int)

parm:           blueblc: = [0..255] //Blue Balance (int)

parm:           hue: = [0..255] //Hue (int)

parm:           sharpness: = [0..63] //Sharpness (int)

parm:           vflip: = [0|1] //Vertical flip (bool)

parm:           hflip: = [0|1] //Horizontal mirror (bool)

Now we can remove the one currently in use and load our new one:

$ modprobe -r gspca-ov534

$ modprobe gspca-ov534 videomode=10

The available video modes are:

00: 640x480@15

01: 640x480@30

02: 640x480@40

03: 640x480@50

04: 640x480@60

10: 320x240@30

11: 320x240@40

12: 320x240@50

13: 320x240@60

14: 320x240@75

15: 320x240@100

16: 320x240@125

You can adjust the image using guvcview

$ sudo apt-get install guvcview

$ guvcview

Hopefully the main line driver gets patched soon with these enhancements.