From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Nenad Sljivic" Subject: Timer interface Date: Fri, 29 Jul 2011 17:05:23 +0200 Message-ID: <1731E52B1A4E4804B5D5A4820E26368F@domain.local> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail.rt-rk.com (mail.rt-rk.ftn.uns.ac.rs [147.91.177.140]) by alsa0.perex.cz (Postfix) with ESMTP id 09A371037EE for ; Fri, 29 Jul 2011 17:05:27 +0200 (CEST) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Hi, I am extending my ALSA driver in order to support software mixing. Driver currently supports both MMAP and RW access modes. However, I am still not able to use dmix since it requires timer interface to be implemented. My hardware does not generate interrupts at the period boundary but issues timer interrupts at a fixed timer rate. Could you please point me to the document or sample driver that can help me to fully understand timer interface concept (especially for High frequency timer interrupts)? Thanks, Nenad