From patchwork Wed Dec 2 13:59:15 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 7746901 Return-Path: X-Original-To: patchwork-linux-spi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id F3D859F39D for ; Wed, 2 Dec 2015 14:04:49 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3B08B20610 for ; Wed, 2 Dec 2015 14:04:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F2D5720520 for ; Wed, 2 Dec 2015 14:04:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758457AbbLBOAY (ORCPT ); Wed, 2 Dec 2015 09:00:24 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:50335 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758434AbbLBOAU (ORCPT ); Wed, 2 Dec 2015 09:00:20 -0500 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id tB2Dxp6w015330; Wed, 2 Dec 2015 07:59:51 -0600 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id tB2Dxp1K015921; Wed, 2 Dec 2015 07:59:51 -0600 Received: from dflp33.itg.ti.com (10.64.6.16) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.224.2; Wed, 2 Dec 2015 07:59:50 -0600 Received: from dlep33.itg.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id tB2DxSpl005929; Wed, 2 Dec 2015 07:59:47 -0600 From: Peter Ujfalusi To: , , CC: , , , , , , , Subject: [RFC v03 05/15] ARM: davinci: devices-da8xx: Add dma_filter_map to edma Date: Wed, 2 Dec 2015 15:59:15 +0200 Message-ID: <1449064765-27427-6-git-send-email-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.6.3 In-Reply-To: <1449064765-27427-1-git-send-email-peter.ujfalusi@ti.com> References: <1449064765-27427-1-git-send-email-peter.ujfalusi@ti.com> MIME-Version: 1.0 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Provide the dma_filter_map to edma which will allow us to move the drivers to the new, simpler dmaengine API and we can remove the DMA resources also for the devices. Signed-off-by: Peter Ujfalusi --- arch/arm/mach-davinci/devices-da8xx.c | 46 +++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index 28c90bc372bd..9ffdcd5de0f8 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include @@ -233,16 +234,54 @@ static const struct platform_device_info da850_edma1_device __initconst = { .size_data = sizeof(da850_edma1_pdata), }; +static const struct dma_filter_map da830_edma_map[] = { + { "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 0) }, + { "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 1) }, + { "davinci-mcasp.1", "rx", EDMA_FILTER_PARAM(0, 2) }, + { "davinci-mcasp.1", "tx", EDMA_FILTER_PARAM(0, 3) }, + { "davinci-mcasp.2", "rx", EDMA_FILTER_PARAM(0, 4) }, + { "davinci-mcasp.2", "tx", EDMA_FILTER_PARAM(0, 5) }, + { "spi_davinci.0", "rx", EDMA_FILTER_PARAM(0, 14) }, + { "spi_davinci.0", "tx", EDMA_FILTER_PARAM(0, 15) }, + { "da830-mmc.0", "rx", EDMA_FILTER_PARAM(0, 16) }, + { "da830-mmc.0", "tx", EDMA_FILTER_PARAM(0, 17) }, + { "spi_davinci.1", "rx", EDMA_FILTER_PARAM(0, 18) }, + { "spi_davinci.1", "tx", EDMA_FILTER_PARAM(0, 19) }, +}; + int __init da830_register_edma(struct edma_rsv_info *rsv) { struct platform_device *edma_pdev; da8xx_edma0_pdata.rsv = rsv; + da8xx_edma0_pdata.slave_map = da830_edma_map; + da8xx_edma0_pdata.slavecnt = ARRAY_SIZE(da830_edma_map); + edma_pdev = platform_device_register_full(&da8xx_edma0_device); return IS_ERR(edma_pdev) ? PTR_ERR(edma_pdev) : 0; } +static const struct dma_filter_map da850_edma0_map[] = { + { "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 0) }, + { "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 1) }, + { "davinci-mcbsp.0", "rx", EDMA_FILTER_PARAM(0, 2) }, + { "davinci-mcbsp.0", "tx", EDMA_FILTER_PARAM(0, 3) }, + { "davinci-mcbsp.1", "rx", EDMA_FILTER_PARAM(0, 4) }, + { "davinci-mcbsp.1", "tx", EDMA_FILTER_PARAM(0, 5) }, + { "spi_davinci.0", "rx", EDMA_FILTER_PARAM(0, 14) }, + { "spi_davinci.0", "tx", EDMA_FILTER_PARAM(0, 15) }, + { "da830-mmc.0", "rx", EDMA_FILTER_PARAM(0, 16) }, + { "da830-mmc.0", "tx", EDMA_FILTER_PARAM(0, 17) }, + { "spi_davinci.1", "rx", EDMA_FILTER_PARAM(0, 18) }, + { "spi_davinci.1", "tx", EDMA_FILTER_PARAM(0, 19) }, +}; + +static const struct dma_filter_map da850_edma1_map[] = { + { "da830-mmc.1", "tx", EDMA_FILTER_PARAM(0, 28) }, + { "da830-mmc.1", "rx", EDMA_FILTER_PARAM(0, 29) }, +}; + int __init da850_register_edma(struct edma_rsv_info *rsv[2]) { struct platform_device *edma_pdev; @@ -252,11 +291,18 @@ int __init da850_register_edma(struct edma_rsv_info *rsv[2]) da850_edma1_pdata.rsv = rsv[1]; } + da8xx_edma0_pdata.slave_map = da850_edma0_map; + da8xx_edma0_pdata.slavecnt = ARRAY_SIZE(da850_edma0_map); + edma_pdev = platform_device_register_full(&da8xx_edma0_device); if (IS_ERR(edma_pdev)) { pr_warn("%s: Failed to register eDMA0\n", __func__); return PTR_ERR(edma_pdev); } + + da850_edma1_pdata.slave_map = da850_edma1_map; + da850_edma1_pdata.slavecnt = ARRAY_SIZE(da850_edma1_map); + edma_pdev = platform_device_register_full(&da850_edma1_device); return IS_ERR(edma_pdev) ? PTR_ERR(edma_pdev) : 0; }