From patchwork Wed Jan 6 12:00:14 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rajashekhara, Sudhakar" X-Patchwork-Id: 71281 Received: from comal.ext.ti.com (comal.ext.ti.com [198.47.26.152]) by demeter.kernel.org (8.14.3/8.14.2) with ESMTP id o06CRt5p023358 for ; Wed, 6 Jan 2010 12:27:56 GMT Received: from dlep36.itg.ti.com ([157.170.170.91]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id o06CQOLh000480 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 6 Jan 2010 06:26:24 -0600 Received: from linux.omap.com (localhost [127.0.0.1]) by dlep36.itg.ti.com (8.13.8/8.13.8) with ESMTP id o06CQO5h024510; Wed, 6 Jan 2010 06:26:24 -0600 (CST) Received: from linux.omap.com (localhost [127.0.0.1]) by linux.omap.com (Postfix) with ESMTP id EDC8380626; Wed, 6 Jan 2010 06:26:23 -0600 (CST) X-Original-To: davinci-linux-open-source@linux.davincidsp.com Delivered-To: davinci-linux-open-source@linux.davincidsp.com Received: from dflp53.itg.ti.com (dflp53.itg.ti.com [128.247.5.6]) by linux.omap.com (Postfix) with ESMTP id A538180626 for ; Wed, 6 Jan 2010 06:26:22 -0600 (CST) Received: from tidmzi-ftp.india.ext.ti.com (localhost [127.0.0.1]) by dflp53.itg.ti.com (8.13.8/8.13.8) with SMTP id o06CQLeq014240 for ; Wed, 6 Jan 2010 06:26:21 -0600 (CST) Received: from symphonyindia.ti.com (symphony-ftp [192.168.247.11]) by tidmzi-ftp.india.ext.ti.com (Postfix) with SMTP id E86953886B for ; Wed, 6 Jan 2010 17:53:03 +0530 (IST) Received: from localhost.localdomain ([192.168.247.76]) by symphonyindia.ti.com (8.13.1/8.12.10) with ESMTP id o06CBvnw001277; Wed, 6 Jan 2010 17:41:57 +0530 From: Sudhakar Rajashekhara To: davinci-linux-open-source@linux.davincidsp.com Subject: [PATCH v2 7/9] davinci: da830/omapl137: Specify reserved channels/slots Date: Wed, 6 Jan 2010 17:30:14 +0530 Message-Id: <1262779214-25318-1-git-send-email-sudhakar.raj@ti.com> X-Mailer: git-send-email 1.5.6 X-BeenThere: davinci-linux-open-source@linux.davincidsp.com X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: davinci-linux-open-source-bounces@linux.davincidsp.com Errors-To: davinci-linux-open-source-bounces@linux.davincidsp.com diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index 0a96791..e32579f 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -111,6 +111,29 @@ static const s8 da850_queue_priority_mapping[][2] = { {-1, -1} }; +/* + * The following EDMA channels/slots are not being used by drivers (for + * example: Timer, GPIO, UART events etc) on da830/omap-l137, hence they + * are being reserved for codecs on the DSP side. + */ +static const s16 da830_dma_rsv_chans[][2] = { + /* (offset, number) */ + { 8, 2}, + {12, 2}, + {24, 4}, + {30, 2}, + {-1, -1} +}; + +static const s16 da830_dma_rsv_slots[][2] = { + /* (offset, number) */ + { 8, 2}, + {12, 2}, + {24, 4}, + {30, 26}, + {-1, -1} +}; + static struct edma_soc_info da830_edma_info[] = { { .n_channel = 32, @@ -118,6 +141,8 @@ static struct edma_soc_info da830_edma_info[] = { .n_slot = 128, .n_tc = 2, .n_cc = 1, + .rsv_chans = da830_dma_rsv_chans, + .rsv_slots = da830_dma_rsv_slots, .queue_tc_mapping = da8xx_queue_tc_mapping, .queue_priority_mapping = da8xx_queue_priority_mapping, },