From patchwork Mon Jun 12 08:10:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Iwai X-Patchwork-Id: 106308 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:994d:0:b0:3d9:f83d:47d9 with SMTP id k13csp2432429vqr; Mon, 12 Jun 2023 01:24:29 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ5huqZ1D1tRdNk2lEFZQFp2SHP7muNQez01jObJ++6xCVvW+6i42LE+mi9Y35qzrnxNBzJ4 X-Received: by 2002:a05:6402:2026:b0:514:9e4d:c8b9 with SMTP id ay6-20020a056402202600b005149e4dc8b9mr4859743edb.11.1686558269291; Mon, 12 Jun 2023 01:24:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1686558269; cv=none; d=google.com; s=arc-20160816; b=wzvH12islSJNF3Wp0dkS7mLsoWMFv/cOfhDi4gkpTLD1JKDyecASHzjF2aRFv8WIfk wIT+BcEcueUAkrK48Nnmx5gYaQMnBEjZ2COVZS3IbB/r58Z3pm8qBOe/PrLswh0IZ+qa /Nf21iuIYXp7kdW6LRH+V/023qotPdgL+ewIzfYKAwW9pdijql1qZRN7Q5cPJVa7QFur VemLINOQVT2hQwREmPD2K84e0iogzUnYDj5PLtw//mq6/kcugSrGSqtycMi5ds+3/QXV uM+arz7OCUc639e3CRbJWsxzB7gd7EZx7snk83k4QSwpDoirRv8BzEdoxFqDKORCfFdK xdLw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature:dkim-signature; bh=xV4SYDmBiLCrlA8jMqllOC2PAvpxHr16PxJlMbYYLgI=; b=MDM4Iv3L2AOrhdKGAilyVThOKGwAcu2eDy4cUjf6K6bh5XH9j/9LwB8cKJn9zamLSu sXfDCsWIoyPrOSMJSLGVWClZ9zPYACWpl1bsqhDOr7QS5JQ41AXr0S3FdYwCwQG+VPYC GfMJpGJxHPVgqO3FYe5/UyZVak9hnCf6xfm/UJkHDdUrde9DQXyuxDeMiPB4Ue9ltth+ 0mEK/hLJrvv8BC1+Dm9S/BfTnfCwuZt7BgftMsrLkhK467ln+hvRXhmQvEPifJwS+WU1 E6F5UXd5kPNlwvNHY3ws+V6B2DSB7yNH8IvKUaZDAA0zn7bW67dMD3kOjcR61itHdMJW jGYw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@suse.de header.s=susede2_rsa header.b=zsIQ71rq; dkim=neutral (no key) header.i=@suse.de header.s=susede2_ed25519 header.b=eA9CuDzb; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=suse.de Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id f21-20020a05640214d500b00514a45f1ef0si5790568edx.391.2023.06.12.01.24.05; Mon, 12 Jun 2023 01:24:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@suse.de header.s=susede2_rsa header.b=zsIQ71rq; dkim=neutral (no key) header.i=@suse.de header.s=susede2_ed25519 header.b=eA9CuDzb; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=suse.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231150AbjFLIL6 (ORCPT + 99 others); Mon, 12 Jun 2023 04:11:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229887AbjFLILo (ORCPT ); Mon, 12 Jun 2023 04:11:44 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2001:67c:2178:6::1d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5127F1710 for ; Mon, 12 Jun 2023 01:11:17 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 48D862048A; Mon, 12 Jun 2023 08:11:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1686557467; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xV4SYDmBiLCrlA8jMqllOC2PAvpxHr16PxJlMbYYLgI=; b=zsIQ71rq6LIK8ESY0YiBFkDyypDrEO93ia1tdZfWVf6gwbLPLjGeR5d4dvKN4KX+fPHZbC /A/7Yjl+ZvOmGM+7uRnRFAhuzZ9NfyZHqsCIxUVPRBymq9u0ZRMNWqlnPsxPbnOIJv2HPY Hhjl8+OdLlV8JDUTwfW+HRoyQuXldZw= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1686557467; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xV4SYDmBiLCrlA8jMqllOC2PAvpxHr16PxJlMbYYLgI=; b=eA9CuDzbO3W4/iQSsJF75R8BNkI0A65OXL1ZeM/+/PkSJ9O/O0bg+dWqw+MRu1uwM0Zqgq x+Z1uWZZB7a9A0Cg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 2B3AC138EC; Mon, 12 Jun 2023 08:11:07 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 0PKICRvThmSLcAAAMHmgww (envelope-from ); Mon, 12 Jun 2023 08:11:07 +0000 From: Takashi Iwai To: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 09/10] ALSA: ump: Add info flag bit for static blocks Date: Mon, 12 Jun 2023 10:10:53 +0200 Message-Id: <20230612081054.17200-10-tiwai@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230612081054.17200-1-tiwai@suse.de> References: <20230612081054.17200-1-tiwai@suse.de> MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1768484523439284184?= X-GMAIL-MSGID: =?utf-8?q?1768484523439284184?= UMP v1.1 spec allows to inform whether the function blocks are static and not dynamically updated. Add a new flag bit to snd_ump_endpoint_info to reflect that attribute, too. The flag is set when a USB MIDI device is still in the old MIDI 2.0 without UMP 1.1 support. Then the driver falls back to GTBs, and they are supposed to be static-only. Signed-off-by: Takashi Iwai --- include/uapi/sound/asound.h | 3 +++ sound/core/ump.c | 11 +++++++++++ sound/usb/midi2.c | 2 ++ 3 files changed, 16 insertions(+) diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h index 79ee48b2ed6d..4d1ac0797d56 100644 --- a/include/uapi/sound/asound.h +++ b/include/uapi/sound/asound.h @@ -780,6 +780,9 @@ struct snd_rawmidi_status { }; #endif +/* UMP EP info flags */ +#define SNDRV_UMP_EP_INFO_STATIC_BLOCKS 0x01 + /* UMP EP Protocol / JRTS capability bits */ #define SNDRV_UMP_EP_INFO_PROTO_MIDI_MASK 0x0300 #define SNDRV_UMP_EP_INFO_PROTO_MIDI1 0x0100 /* MIDI 1.0 */ diff --git a/sound/core/ump.c b/sound/core/ump.c index f364bb290d3a..a64dc2d8a129 100644 --- a/sound/core/ump.c +++ b/sound/core/ump.c @@ -490,6 +490,8 @@ static void snd_ump_proc_read(struct snd_info_entry *entry, ump->info.sw_revision[2], ump->info.sw_revision[3]); } + snd_iprintf(buffer, "Static Blocks: %s\n", + (ump->info.flags & SNDRV_UMP_EP_INFO_STATIC_BLOCKS) ? "Yes" : "No"); snd_iprintf(buffer, "Num Blocks: %d\n\n", ump->info.num_blocks); list_for_each_entry(fb, &ump->block_list, list) { @@ -608,6 +610,9 @@ static int ump_handle_ep_info_msg(struct snd_ump_endpoint *ump, ump->info.num_blocks = 1; } + if (buf->ep_info.static_function_block) + ump->info.flags |= SNDRV_UMP_EP_INFO_STATIC_BLOCKS; + ump->info.protocol_caps = (buf->ep_info.protocol << 8) | buf->ep_info.jrts; @@ -708,6 +713,12 @@ static bool is_fb_info_updated(struct snd_ump_endpoint *ump, { char tmpbuf[offsetof(struct snd_ump_block_info, name)]; + if (ump->info.flags & SNDRV_UMP_EP_INFO_STATIC_BLOCKS) { + ump_info(ump, "Skipping static FB info update (blk#%d)\n", + fb->info.block_id); + return 0; + } + memcpy(tmpbuf, &fb->info, sizeof(tmpbuf)); fill_fb_info(ump, (struct snd_ump_block_info *)tmpbuf, buf); return memcmp(&fb->info, tmpbuf, sizeof(tmpbuf)) != 0; diff --git a/sound/usb/midi2.c b/sound/usb/midi2.c index 13fa1978267a..ee2835741479 100644 --- a/sound/usb/midi2.c +++ b/sound/usb/midi2.c @@ -888,6 +888,8 @@ static int create_blocks_from_gtb(struct snd_usb_midi2_interface *umidi) /* Blocks have been already created? */ if (rmidi->ump_parsed || rmidi->ump->info.num_blocks) continue; + /* GTB is static-only */ + rmidi->ump->info.flags |= SNDRV_UMP_EP_INFO_STATIC_BLOCKS; /* loop over GTBs */ for (dir = 0; dir < 2; dir++) { if (!rmidi->eps[dir])