[Bluez-devel] uart driver

[Bluez-devel] uart driver

[Matthieu CASTET]

Hi,

I have a uart driver that use non-standard read/write and can't be used by 
the hci_ldisc.c driver.
A hack was done in the hci_ldisc.c driver to use these non-standard 
read/write functions and remove all the tty stuff.

I want to clean it and write a standard uart driver for 2.6.

But I don't know how to write it and what callbacks are needed.

I look some example in driver/serial, but I don't how to implement all the 
uart_ops callback and which are needed/optional.

Have you got some pointers for how to write uart driver or an example uart 
driver that is not too complex?


Thanks,

Matthieu



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Re: [Bluez-devel] uart driver

[Peter Wippich]

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Hi Mattieu,

you may use the PCMCIA card driver (btuart_cs) as a base and remove all
the PCMCIA specific stuff. Than modify the UART access for your hardware.

You may also use our PCI driver and removed all PCI specific stuff.
this is based on the PCMCIA driver as well.
The attached version is for 2.6.x. For 2.4.x you can find one on our
website.

Good luck,

Peter

On Tue, 15 Nov 2005, Matthieu CASTET wrote:

> Hi,
>
> I have a uart driver that use non-standard read/write and can't be used by
> the hci_ldisc.c driver.
> A hack was done in the hci_ldisc.c driver to use these non-standard
> read/write functions and remove all the tty stuff.
>
> I want to clean it and write a standard uart driver for 2.6.
>
> But I don't know how to write it and what callbacks are needed.
>
> I look some example in driver/serial, but I don't how to implement all the
> uart_ops callback and which are needed/optional.
>
> Have you got some pointers for how to write uart driver or an example uart
> driver that is not too complex?
>
>
> Thanks,
>
> Matthieu
>
>
>
> -------------------------------------------------------
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|	Peter Wippich 			Voice: +49 30 46776411		|
|	G&W Instruments GmbH		fax:   +49 30 46776419		|
|	Gustav-Meyer-Allee 25, Geb. 12	Email: pewi@gw-instruments.de	|
|	D-13355 Berlin  / Germany					|


[-- Attachment #2: Type: APPLICATION/x-gtar, Size: 9311 bytes --]

Re: [Bluez-devel] uart driver

[Marcel Holtmann]

Hi Peter,

> you may use the PCMCIA card driver (btuart_cs) as a base and remove all
> the PCMCIA specific stuff. Than modify the UART access for your hardware.
> 
> You may also use our PCI driver and removed all PCI specific stuff.
> this is based on the PCMCIA driver as well.
> The attached version is for 2.6.x. For 2.4.x you can find one on our
> website.

it will break on the latest 2.6 kernel, because the skb->pkt_type field
is no longer used.

Regards

Marcel




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Re: [Bluez-devel] uart driver

[Peter Wippich]

Hi Marcel,

thank you for this information. I'll update the driver as soon as I find
some free time.

Ciao,

Peter

On Tue, 22 Nov 2005, Marcel Holtmann wrote:

> Hi Peter,
>
> > you may use the PCMCIA card driver (btuart_cs) as a base and remove all
> > the PCMCIA specific stuff. Than modify the UART access for your hardware.
> >
> > You may also use our PCI driver and removed all PCI specific stuff.
> > this is based on the PCMCIA driver as well.
> > The attached version is for 2.6.x. For 2.4.x you can find one on our
> > website.
>
> it will break on the latest 2.6 kernel, because the skb->pkt_type field
> is no longer used.
>
> Regards
>
> Marcel
>
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by the JBoss Inc.  Get Certified Today
> Register for a JBoss Training Course.  Free Certification Exam
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|	Peter Wippich 			Voice: +49 30 46776411		|
|	G&W Instruments GmbH		fax:   +49 30 46776419		|
|	Gustav-Meyer-Allee 25, Geb. 12	Email: pewi@gw-instruments.de	|
|	D-13355 Berlin  / Germany					|




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Re: [Bluez-devel] uart driver

[Marcel Holtmann]

Hi Matthieu,

> I have a uart driver that use non-standard read/write and can't be used by 
> the hci_ldisc.c driver.
> A hack was done in the hci_ldisc.c driver to use these non-standard 
> read/write functions and remove all the tty stuff.
> 
> I want to clean it and write a standard uart driver for 2.6.
> 
> But I don't know how to write it and what callbacks are needed.
> 
> I look some example in driver/serial, but I don't how to implement all the 
> uart_ops callback and which are needed/optional.
> 
> Have you got some pointers for how to write uart driver or an example uart 
> driver that is not too complex?

send in more details what this driver is about.

Regards

Marcel




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Re: [Bluez-devel] uart driver

[Matthieu CASTET]

> Good luck,
Thanks, I will look the driver you sent me.


Matthieu



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