From owner-freebsd-arm@freebsd.org Sat Jul 14 18:03:21 2018 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E50941035566 for ; Sat, 14 Jul 2018 18:03:20 +0000 (UTC) (envelope-from ian@freebsd.org) Received: from outbound1a.eu.mailhop.org (outbound1a.eu.mailhop.org [52.58.109.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 7613683419 for ; Sat, 14 Jul 2018 18:03:20 +0000 (UTC) (envelope-from ian@freebsd.org) X-MHO-RoutePath: aGlwcGll X-MHO-User: 2e0c5601-8790-11e8-aa1a-954dbaed88ca X-Report-Abuse-To: https://support.duocircle.com/support/solutions/articles/5000540958-duocircle-standard-smtp-abuse-information X-Originating-IP: 67.177.211.60 X-Mail-Handler: DuoCircle Outbound SMTP Received: from ilsoft.org (unknown [67.177.211.60]) by outbound1.eu.mailhop.org (Halon) with ESMTPSA id 2e0c5601-8790-11e8-aa1a-954dbaed88ca; Sat, 14 Jul 2018 18:03:16 +0000 (UTC) Received: from rev (rev [172.22.42.240]) by ilsoft.org (8.15.2/8.15.2) with ESMTP id w6EI3ExF047565; Sat, 14 Jul 2018 12:03:14 -0600 (MDT) (envelope-from ian@freebsd.org) Message-ID: <1531591394.21781.13.camel@freebsd.org> Subject: Re: sound on wandboard-quad From: Ian Lepore To: Manuel =?ISO-8859-1?Q?St=FChn?= , freebsd-arm@freebsd.org Date: Sat, 14 Jul 2018 12:03:14 -0600 In-Reply-To: <20180712180858.GA60719@freebsd-t420.fritz.box> References: <20180712180858.GA60719@freebsd-t420.fritz.box> Content-Type: text/plain; charset="ISO-8859-1" X-Mailer: Evolution 3.18.5.1 FreeBSD GNOME Team Port Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 14 Jul 2018 18:03:21 -0000 On Thu, 2018-07-12 at 20:08 +0200, Manuel Stühn wrote: > Hi, > > is there any support for sound on the imx6-based wandboard quad?  The > wiki-page says no, but there seem to be some drivers (imx6_ssi.c > imx6_audmux.c) which suggest some sound context. Unfortunately i > don't know > how to activate them. These drivers are marked as "optional sound" in > "files.imx6".  What does this mean? In a verbose boot of a recent > CURRENT > (r335134) I do see the following line: > > [..] > simplebus2: mem 0x2028000-0x202bfff irq 68 compat > fsl,imx6q-ssi (no driver attached) > [..] > > How can the driver be attached? > > Thanks > -- > Manuel I begin looking into this a few days ago, and got as far as discovering that we have some drivers, but they need a binary firmware blob for the imx6 sdma engine. This morning I discovered that the firmware has been released by NXP with a permissive enough license that I think we can include it in the base freebsd source, I just have to learn how to do that. -- Ian