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Date:      Tue, 23 Sep 2008 15:25:03 -0400
From:      John Baldwin <jhb@freebsd.org>
To:        freebsd-current@freebsd.org
Cc:        Stefan Ehmann <shoesoft@gmx.net>
Subject:   Re: prvxxx: cxm_iic attach fails
Message-ID:  <200809231525.03606.jhb@freebsd.org>
In-Reply-To: <200809201305.13339.shoesoft@gmx.net>
References:  <200809201305.13339.shoesoft@gmx.net>

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On Saturday 20 September 2008 07:05:12 am Stefan Ehmann wrote:
> Hello,
> 
> I'm using the port from
> http://usleepless.110mb.com/pvrxxx_port.tgz
> for my PVR-150 card.
> 
> I get this error on kldload cxm:
> Sep 20 12:07:48 taxman kernel: cxm0: <Conexant iTVC16 MPEG Coder> mem 
> 0xd8000000-0xdbffffff irq 18 at device 15.0 on pci0
> Sep 20 12:07:48 taxman kernel: cxm_iic0: <Conexant iTVC15 / iTVC16 I2C 
> controller> on cxm0
> Sep 20 12:07:48 taxman kernel: cxm_iic0: could not attach iicbb
> Sep 20 12:07:48 taxman kernel: device_attach: cxm_iic0 attach returned 6
> Sep 20 12:07:48 taxman kernel: cxm0: could not attach cxm_iic
> Sep 20 12:07:48 taxman kernel: device_attach: cxm0 attach returned 6
> 
> 
> Build fails on recent current because minor(9) is now a macro.
> 
> The cause is this define in cxm.h
> #  define dev_t struct cdev *
> 
> I added this ugly hack to get it build. Not sure if it's correct but I don't 
> think it's the cause of the problem.
> #undef minor
> #define minor(d)        ((d) ? (d)->si_drv0 : -1)
> 
> Haven't tested previously on CURRENT. But the card is working on RELENG_7:
> Sep 20 12:38:50 taxman kernel: cxm0: <Conexant iTVC16 MPEG Coder> mem 
> 0xd8000000-0xdbffffff irq 18 at device 15.0 on pci0
> Sep 20 12:38:50 taxman kernel: cxm_iic0: <Conexant iTVC15 / iTVC16 I2C 
> controller> on cxm0
> Sep 20 12:38:50 taxman kernel: iicbb0: <I2C bit-banging driver> on cxm_iic0
> Sep 20 12:38:50 taxman kernel: iicbus0: <Philips I2C bus> on iicbb0 master-
> only
> Sep 20 12:38:50 taxman kernel: iicbus0: <unknown card> at addr 0
> Sep 20 12:38:50 taxman kernel: iicbus0: <unknown card> at addr 0
> 
> Any ideas?

cxm needs to include its own 'DEVICE_DRIVER' line for iicbus in HEAD now.  
Basically, it needs this line:

DRIVER_MODULE(iicbb, cxm_iic, iicbb_driver, iicbb_devclass, 0, 0);

-- 
John Baldwin



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