Date: Thu, 1 Jul 2004 13:09:40 +0200 From: Marius Strobl <marius@alchemy.franken.de> To: Pyun YongHyeon <yongari@kt-is.co.kr> Cc: sparc64@freebsd.org Subject: Re: pcm sound driver for SBus Ultra1/Ultra2 Message-ID: <20040701130940.A12214@newtrinity.zeist.de> In-Reply-To: <20040701093225.GA12517@kt-is.co.kr>; from yongari@kt-is.co.kr on Thu, Jul 01, 2004 at 06:32:25PM %2B0900 References: <20040701093225.GA12517@kt-is.co.kr>
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On Thu, Jul 01, 2004 at 06:32:25PM +0900, Pyun YongHyeon wrote: > Hello All, > > I don't know how may users want to hear sound on Ultra1/Ultra2. > But I wanted to hear some music while 'build world' is in progress. > > <Driver summary> > 1. The driver is based on OpenBSD's driver and ISA mss driver > on FreeBSD. > 2. Supports onboard CS4231A chip on SBus Ultra1/Ultra2. > 3. Capture(recodring) was not tested at all. > - I don't have microphone. > 4. Due to lack of programming information for APC DMA, I > used existing interfaces of OpenBSD driver. So it may have > some bugs on FreeBSD. > 5. Full-duplex mode doesn't work. > 6. You may notice some noise when you work on ofw console. I don't > know what is the reason, atm. > 7. Due to lack of X supports, I could't test with xmms or GUI based > audio tools. > 8. If you have PCI/EBus based sparcs, they are not supported. Yes, they > use the same chip but have different DMA interface. In addition, I > don't have PCI/EBus based sparcs. > > Installation > 1. get the driver patch file and fetch your system > 2. build kernel and kernel modules > 3. load snd_cs4231.ko and play > Note, you may want to mute speaker output with mixer(8). > > The attached patch is for -CURRENT, and is also available at: > http://www.kr.freebsd.org/~yongari/cs4231.freebsd.diff > Interesting that adding a driver is sufficient for you. Last time I had a look at getting pcm(4) and SUNW,CS4231 working on FreeBSD/sparc64 I stumbled on pcm(4) not being endian-clean and not yet being fully converted to using busdma. At a quick glance that's still the case. Did you miss to add some changed files in your patch?
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