From patchwork Fri Mar 21 11:10:10 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Sakamoto X-Patchwork-Id: 3873031 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 3FCFBBF540 for ; Fri, 21 Mar 2014 11:28:48 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 668DC20213 for ; Fri, 21 Mar 2014 11:28:47 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 30387200D5 for ; Fri, 21 Mar 2014 11:28:46 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 5039D2655F3; Fri, 21 Mar 2014 12:28:45 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 0A4542655F9; Fri, 21 Mar 2014 12:16:32 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 2E1562655F9; Fri, 21 Mar 2014 12:16:30 +0100 (CET) Received: from smtp310.phy.lolipop.jp (smtp310.phy.lolipop.jp [210.157.22.78]) by alsa0.perex.cz (Postfix) with ESMTP id 71A652654A7 for ; Fri, 21 Mar 2014 12:11:24 +0100 (CET) Received: from smtp310.phy.lolipop.lan (HELO smtp310.phy.lolipop.jp) (172.17.1.10) (smtp-auth username m12129643-o-takashi, mechanism plain) by smtp310.phy.lolipop.jp (qpsmtpd/0.82) with ESMTPA; Fri, 21 Mar 2014 20:11:23 +0900 Received: from 127.0.0.1 (127.0.0.1) by smtp310.phy.lolipop.jp (LOLIPOP-Fsecure); Fri, 21 Mar 2014 20:10:36 +0900 (JST) X-Virus-Status: clean(LOLIPOP-Fsecure) From: Takashi Sakamoto To: clemens@ladisch.de, tiwai@suse.de, perex@perex.cz Date: Fri, 21 Mar 2014 20:10:10 +0900 Message-Id: <1395400229-22957-26-git-send-email-o-takashi@sakamocchi.jp> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1395400229-22957-1-git-send-email-o-takashi@sakamocchi.jp> References: <1395400229-22957-1-git-send-email-o-takashi@sakamocchi.jp> Cc: alsa-devel@alsa-project.org, linux1394-devel@lists.sourceforge.net, ffado-devel@lists.sf.net Subject: [alsa-devel] [PATCH 25/44] fireworks/firewire-lib: Add a quirk for data blocks for MIDI in out-stream X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Fireworks has a quirk to ignore MIDI messages in data blocks more than 8. This commit adds a flag for this quirk and codes to skip 8 or more data blocks to transfer MIDI messages. Signed-off-by: Takashi Sakamoto --- sound/firewire/amdtp.c | 5 ++++- sound/firewire/amdtp.h | 3 +++ sound/firewire/fireworks/fireworks_midi.c | 6 ++++++ 3 files changed, 13 insertions(+), 1 deletion(-) diff --git a/sound/firewire/amdtp.c b/sound/firewire/amdtp.c index 53a7845..51a13c8 100644 --- a/sound/firewire/amdtp.c +++ b/sound/firewire/amdtp.c @@ -77,6 +77,8 @@ int amdtp_stream_init(struct amdtp_stream *s, struct fw_unit *unit, s->callbacked = false; s->sync_slave = NULL; + s->rx_blocks_for_midi = UINT_MAX; + return 0; } EXPORT_SYMBOL(amdtp_stream_init); @@ -550,7 +552,8 @@ static void amdtp_fill_midi(struct amdtp_stream *s, b = (u8 *)&buffer[s->midi_position]; port = (s->data_block_counter + f) % 8; - if ((s->midi[port] == NULL) || + if ((f >= s->rx_blocks_for_midi) || + (s->midi[port] == NULL) || (snd_rawmidi_transmit(s->midi[port], b + 1, 1) <= 0)) b[0] = 0x80; else diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h index 4a703d4..5414157 100644 --- a/sound/firewire/amdtp.h +++ b/sound/firewire/amdtp.h @@ -125,6 +125,9 @@ struct amdtp_stream { /* quirk: fixed interval of dbc between previos/current packets. */ unsigned int tx_dbc_interval; + /* quirk: the first count of data blocks in an rx packet for MIDI */ + unsigned int rx_blocks_for_midi; + bool callbacked; wait_queue_head_t callback_wait; struct amdtp_stream *sync_slave; diff --git a/sound/firewire/fireworks/fireworks_midi.c b/sound/firewire/fireworks/fireworks_midi.c index 27a0c8d..d96840f 100644 --- a/sound/firewire/fireworks/fireworks_midi.c +++ b/sound/firewire/fireworks/fireworks_midi.c @@ -143,6 +143,12 @@ int snd_efw_create_midi_devices(struct snd_efw *efw) str = &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT]; set_midi_substream_names(efw, str); + + /* + * Fireworks ignores MIDI messages in more than first 8 data + * blocks of an received AMDTP packet. + */ + efw->rx_stream.rx_blocks_for_midi = 8; } if ((efw->midi_out_ports > 0) && (efw->midi_in_ports > 0))