From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Wagner Subject: Re: [RFC][PATCH 00/13] bebob: a new driver for BridgeCo BeBoB based device Date: Sun, 15 Dec 2013 17:17:25 +0100 Message-ID: <52ADD615.4090003@monom.org> References: <1385186965-8303-1-git-send-email-o-takashi@sakamocchi.jp> <529A2691.4000401@monom.org> <529ABE4F.6070406@sakamocchi.jp> <52A0EB5F.9090003@monom.org> <52A8553C.3050205@sakamocchi.jp> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from hotel311.server4you.de (hotel311.server4you.de [85.25.146.15]) by alsa0.perex.cz (Postfix) with ESMTP id A2387261AF9 for ; Sun, 15 Dec 2013 17:17:26 +0100 (CET) In-Reply-To: <52A8553C.3050205@sakamocchi.jp> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Takashi Sakamoto Cc: alsa-devel@alsa-project.org, linux1394-devel@lists.sourceforge.net, ffado-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org Hi Takashi, On 12/11/2013 01:06 PM, Takashi Sakamoto wrote: > I'm sorry to be late for reply but I was hard to prepare series of patch > for Fireworks driver. No problemo. I am also slow as a heavy droged slug :) >> I have uploaded some two logs. The first one is for the fa-66 >> (fw-fa66.txt) and the second one is for the Audio5 (fw-a5.txt). >> >> There seems to be an issue with the Audio5, though I haven't >> looked into it yet (quite busy, sorry) For that device I >> even got a serial console to it) Maybe you see the problem >> already from the log. > > In the log of Audio5, there were much lock transaction for > iPCR[0]/oPCR[0]. This means that snd-bebob tried to establish connection > several times to start transmitting/receiving streams. IIRC, I loaded the ALSA module by issuing $ pactl load-module module-alsa-sink device=hw:X,X > I guess that the module-alsa-sink of PulseAudio retried > snd_pcm_prepare() several times due to get err. When snd_pcm_prepare() > failed, snd_bebob_stream_start_duplex() is failed inner snd-bebob. > Establishing connections is done by make_both_connections() so we should > notice the codes after this function. > > There are four possibilities, two of them are related to start_stream() > and the others are related to amdtp_stream_wait_callback(). But the > former generates log output. So amdtp_stream_wait_callback() causes this > issue; > > This function return false when snd-bebob cannot receive AMDTP > in-packets within 100 msec after establishing connection. Please see > amdtp.c in detail. I programmed this to prevent snd-bebob from waiting > forever to receive in-packets. > > So I guess you can playback/capture with your device when you expand the > time (200 msec or more). Or there are some bugs of snd-bebob to handle > your device. The A5 is basically the SDK from BridgeCo. It is surprising to see that this device shows these kind of generic errors. > Would you test and get logs again after expand waiting time? Then please > use aplay/arecord to test. I believe simple tools help our investigating. I'll give it a try coming week. Sorry for my really slow debugging/testing cycles. > And I hope you to give me an advice for my headache. As long as I > investigated, snd-bebob can support 64 device and models (I count the > devices to which the same expansion card can apply). But there are some > devices which I can't identify its vendor_id/model_id. You mean the vendor_id/model_id is not unique? > [Identified devices and models] > * Edirol FA-66/FA-101 > * PreSonus FIREBOX/FIREPOD > * BridgeCo RDAudio1/Audio5 > * Mackie Onyx 820/1220/1620/1640 (Firewire I/O Card) > * Mackie d.2 (Firewire Option) > * Stanton FinalScratch 2 (ScratchAmp) > * Tascam IF-FW DM > * Apogee Rosetta 200/400 (X-FireWire card) > * Apogee DA/AD/DD-16X (X-FireWire card) > * ESI Quotafire610 > * AcousticReality eARMasterOne > * CME MatrixKFW > * Phonic HB 12/12 MkII/12 Universal > * Phonic HB 18/18 MkII/18 Universal > * Phonic HB 24/24 MkII/24 Universal > * Phonic FireFly 202/302 > * Lynx Aurora 8/16 (LT-FW) > * ICON FireXon > * PrismSound Orpheus/ADA-8XR > * Yamaha GO44/GO46 > * TerraTec PHASE 24 FW/PHASE X24 FW/PHASE 88 Rack FW > * Terratec EWS MIC2/EWS MIC4 > * Terratec Aureon 7.1 Firewire > * Focusrite Saffire/Saffire LE/SaffirePro10 IO/SaffirePro26 IO > * M-Audio Firewire410/AudioPhile/Solo/Ozonic/NRV10 > * M-Audio Firewire1814/ProjectMix IO/ProfireLightBridge > > [Unidentified devices and models] > * PreSonus, Inspire 1394 > * Mackie, Digital X Bus x.200 > * Mackie, Digital X Bus x.400 > * CME, UF400e > * Infrasonic, DewX > * Infrasonic, Windy6 > * Rolf Spuler, Firewire Guitar > > Do you have any idea to identify them? If the vendor/model id is not unique, maybe a more heuristic approach is needed, e.g. by reading the number of in/out streams which makes the device unique. But as you see, I don't have a good idea here. cheers, daniel