From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: ALSA Driver for ARM-Linux 2.6 Date: Mon, 16 Aug 2004 12:40:42 +0200 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: References: <411A7D75.3080701@fetron.de> Mime-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <411A7D75.3080701@fetron.de> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Klaus Fetscher Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org At Wed, 11 Aug 2004 22:11:33 +0200, Klaus Fetscher wrote: > > Hi, > > we want to program an ALSA driver for a Codec which communicates over an > I2S interface with an ARM9 processor. > I have read several messages regarding ALSA-Drivers, Linux 2.6 and ARM > and know I am a little bit confused. > > Is it possible to use ALSA with ARM or need we some patches for the ARM > CPU ? > > I have read, that the sa11xx-uda1341 driver is not a good starting point > for implementing a driver. Which is a better solution ? In general, ALSA has a problem on architectures like ARM about cache and mmap. So far, the ALSA should work fine on ARM, too, if the driver doesn't use mmap. Russell King has some patches to fix this issue, which I will merge later on our tree. Takashi ------------------------------------------------------- SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285