[Tinkerphones] GTA04 camera in VGA mode starts working

Andreas Kemnade andreas at kemnade.info
Sat Oct 7 22:18:52 CEST 2017


Hi Nikolaus,

On Tue, 12 Sep 2017 20:59:56 +0200
"H. Nikolaus Schaller" <hns at goldelico.com> wrote:

> Hi,
> I have some progress to report.
> 
> We finally found what was missing to make the VGA mode basically
> work: there are two undocumented registers (one called "RSVD")
> where a bit has to be changed.
> 
> Otherwise the video ADC seems not to work in VGA mode.
> 
> Maybe some voltages or dividers or whatever are switched
> inside the camera chip to compensate for the 30fps sampling
> rate (SXGA has 15fps).
> 
> So, this is a big step forwards to completely support all
> GTA04 hardware features.
> 
> There are still some things to be fixed. For example the picture
> is shifted a little.
> 
[   10.805206] omap3isp 480bc000.isp: parsing endpoint /ocp at 68000000/isp at 480bc000/ports/port at 0/endpoint, interface 0
[   10.805419] omap3isp 480bc000.isp: 480bc000.isp supply vdd-csiphy1 not found, using dummy regulator
[   10.805755] omap3isp 480bc000.isp: 480bc000.isp supply vdd-csiphy2 not found, using dummy regulator
[   10.806457] omap3isp 480bc000.isp: Revision 15.0 found
[   10.809265] omap-iommu 480bd400.mmu: 480bd400.mmu: version 1.1
[   10.810424] omap3isp 480bc000.isp: hist: using DMA channel dma0chan4
[   10.810485] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP CCP2 was not initialized!
[   10.881042] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP CSI2a was not initialized!
[   10.888793] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP CCDC was not initialized!
[   10.899963] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP preview was not initialized!
[   10.912384] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP resizer was not initialized!
[   10.937957] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP AEWB was not initialized!
[   10.937988] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP AF was not initialized!
[   10.937988] omap3isp 480bc000.isp: Entity type for entity OMAP3 ISP histogram was not initialized!
[   10.940216] omap3isp 480bc000.isp: isp_xclk_set_rate: cam_xclka set to 24685714 Hz (div 7)
[   10.940277] ov9655 1-0030: ov9655_probe
[   10.940429] ov9655 1-0030: 1-0030 supply dvdd not found, using dummy regulator
[   10.940795] ov9655 1-0030: 1-0030 supply dovdd not found, using dummy regulator
[   10.942413] ov9655 1-0030: __ov9655_set_power on=1
[   11.056335] ov9655 1-0030: OV9655 not detected, can't read manufacturer id


That was letux-4.13
broken camera?

Regards
Andreas
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <http://lists.goldelico.com/pipermail/community/attachments/20171007/44d7b4c3/attachment.asc>


More information about the Community mailing list