From patchwork Mon Nov 10 07:46:51 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damien Zammit X-Patchwork-Id: 5264541 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 5FC32C11AC for ; Mon, 10 Nov 2014 07:48:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 70D672015D for ; Mon, 10 Nov 2014 07:48:07 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 1BD082016C for ; Mon, 10 Nov 2014 07:48:06 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 285C92606AC; Mon, 10 Nov 2014 08:48:05 +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=-1.8 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=no version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id D28E226064C; Mon, 10 Nov 2014 08:47:27 +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 B16F4260650; Mon, 10 Nov 2014 08:47:26 +0100 (CET) Received: from mail-pa0-f48.google.com (mail-pa0-f48.google.com [209.85.220.48]) by alsa0.perex.cz (Postfix) with ESMTP id D0F0826061E for ; Mon, 10 Nov 2014 08:47:20 +0100 (CET) Received: by mail-pa0-f48.google.com with SMTP id ey11so7702179pad.35 for ; Sun, 09 Nov 2014 23:47:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=8b7rpxRuYEUY5jqRjecR9PWXvth4aEg8BIisU+5SsiU=; b=gxSJ1O0S0onrwERn9iegwBCs0qBsr8oMBarInxVvL9QkxbmSX/eoyg+en1BEvdZIrR nJKCpC1uU/AXwC7hCn5LVL++0LBVK38lkpImnP8cb8ioyMADme4Oa9Gx2TX85ZHOXgob yAHxYiy1HB3Rx5oZiHSjIfMFmLl2EZskO5euAxJdTfwyXzA1N3GTX8fASwauQmy6i5aa EOWmbHtuhVZ0bsM/pZ+MHbj2kfmFr9mPvH9KZR2GqdkMiev27JXSI2DrtxnbI7MUO2ql ld6jrUW1fVc1TpOHxlhnwQQN5ZHU7tJ0IFdnDSmTz6C6tjxL+VujDHVeqHDNFlcC2Lw6 tCJg== X-Received: by 10.69.20.42 with SMTP id gz10mr29693586pbd.91.1415605639802; Sun, 09 Nov 2014 23:47:19 -0800 (PST) Received: from localhost.localdomain (14-201-185-176.static.tpgi.com.au. [14.201.185.176]) by mx.google.com with ESMTPSA id fn2sm15641692pdb.75.2014.11.09.23.47.17 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 09 Nov 2014 23:47:19 -0800 (PST) From: Damien Zammit X-Google-Original-From: Damien Zammit To: alsa-devel@alsa-project.org Date: Mon, 10 Nov 2014 18:46:51 +1100 Message-Id: <1415605612-2977-2-git-send-email-damien@zamaudio.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1415605612-2977-1-git-send-email-damien@zamaudio.com> References: <1415605612-2977-1-git-send-email-damien@zamaudio.com> Cc: tiwai@suse.de, Damien Zammit , clemens@ladisch.de Subject: [alsa-devel] [PATCH 1/2 v3] ALSA: usb-audio: Add mixer control for Digidesign mbox 1 clock source 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 This patch provides the infrastructure for the Digidesign Mbox 1 to have a mixer control for selecting the clock source. Valid options are Internal and S/PDIF external sync. A non-documented command is sent to the device to enable this feature found by reverse engineering and bus snooping. Signed-off-by: Damien Zammit --- sound/usb/mixer_maps.c | 9 +++ sound/usb/mixer_quirks.c | 142 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 151 insertions(+) diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c index d1d72ff..1994d41 100644 --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -179,6 +179,11 @@ static struct usbmix_name_map audigy2nx_map[] = { { 0 } /* terminator */ }; +static struct usbmix_name_map mbox1_map[] = { + { 1, "Clock" }, + { 0 } /* terminator */ +}; + static struct usbmix_selector_map c400_selectors[] = { { .id = 0x80, @@ -416,6 +421,10 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = { .map = aureon_51_2_map, }, { + .id = USB_ID(0x0dba, 0x1000), + .map = mbox1_map, + }, + { .id = USB_ID(0x13e5, 0x0001), .map = scratch_live_map, .ignore_ctl_error = 1, diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index 3980bf5..edafc0e 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -565,6 +565,141 @@ static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer) return 0; } +/* Digidesign Mbox 1 clock source switch (internal/spdif) */ + +static int snd_mbox1_switch_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + if (kctl->private_value) { + ucontrol->value.enumerated.item[0] = true; + return 0; + } + + ucontrol->value.enumerated.item[0] = false; + return 0; +} + +static int snd_mbox1_switch_put(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_usb_audio *chip; + struct usb_mixer_interface *mixer; + int err; + bool changed, cur_val, new_val; + bool value; + unsigned char buff[3]; + + changed = false; + value = false; + + cur_val = kctl->private_value; + new_val = ucontrol->value.enumerated.item[0]; + + mixer = snd_kcontrol_chip(kctl); + if (snd_BUG_ON(!mixer)) + return -EINVAL; + + chip = mixer->chip; + if (snd_BUG_ON(!chip)) + return -EINVAL; + + /* update value if needed */ + if (cur_val != new_val) { + value = new_val; + down_read(&chip->shutdown_rwsem); + if (chip->shutdown) { + err = -ENODEV; + } else { + /* Prepare for magic command to toggle clock source */ + err = snd_usb_ctl_msg(chip->dev, + usb_rcvctrlpipe(chip->dev, 0), 0x81, + USB_DIR_IN | + USB_TYPE_CLASS | + USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1); + if (err < 0) + return err; + err = snd_usb_ctl_msg(chip->dev, + usb_rcvctrlpipe(chip->dev, 0), 0x81, + USB_DIR_IN | + USB_TYPE_CLASS | + USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3); + if (err < 0) + return err; + /* 2 possibilities: Internal -> send sample rate + * S/PDIF sync -> send zeroes + * NB: Sample rate locked to 48kHz on purpose to + * prevent user from resetting the sample rate + * while S/PDIF sync is enabled and confusing + * this configuration. + */ + if (new_val == 0) { + buff[0] = 0x80; + buff[1] = 0xbb; + buff[2] = 0x00; + } else { + buff[0] = buff[1] = buff[2] = 0x00; + } + /* Send the magic command to toggle the clock source */ + err = snd_usb_ctl_msg(chip->dev, + usb_sndctrlpipe(chip->dev, 0), 0x1, + USB_TYPE_CLASS | + USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3); + if (err < 0) + return err; + err = snd_usb_ctl_msg(chip->dev, + usb_rcvctrlpipe(chip->dev, 0), 0x81, + USB_DIR_IN | + USB_TYPE_CLASS | + USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3); + if (err < 0) + return err; + err = snd_usb_ctl_msg(chip->dev, + usb_rcvctrlpipe(chip->dev, 0), 0x81, + USB_DIR_IN | + USB_TYPE_CLASS | + USB_RECIP_ENDPOINT, 0x100, 0x2, buff, 3); + if (err < 0) + return err; + } + up_read(&chip->shutdown_rwsem); + if (err < 0) + return err; + + kctl->private_value = new_val; + changed = true; + } + + return changed; +} + +static int snd_mbox1_switch_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + static const char *const texts[2] = { + "Internal", + "S/PDIF" + }; + + return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); +} + +static struct snd_kcontrol_new snd_mbox1_switch = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Clock Source", + .index = 0, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .info = snd_mbox1_switch_info, + .get = snd_mbox1_switch_get, + .put = snd_mbox1_switch_put, + .private_value = 0 +}; + +static int snd_mbox1_create_sync_switch(struct usb_mixer_interface *mixer) +{ + return snd_ctl_add(mixer->chip->card, + snd_ctl_new1(&snd_mbox1_switch, mixer)); +} + /* Native Instruments device quirks */ #define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex)) @@ -1605,6 +1740,13 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) snd_audigy2nx_proc_read); break; + /* Digidesign Mbox 1 */ + case USB_ID(0x0dba, 0x1000): + err = snd_mbox1_create_sync_switch(mixer); + if (err < 0) + break; + break; + /* EMU0204 */ case USB_ID(0x041e, 0x3f19): err = snd_emu0204_controls_create(mixer);