From patchwork Mon Apr 2 14:26:43 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Jarzmik X-Patchwork-Id: 10319851 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 30FBB60247 for ; Mon, 2 Apr 2018 14:33:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 20068288E5 for ; Mon, 2 Apr 2018 14:33:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1460728A1C; Mon, 2 Apr 2018 14:33:15 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A91B0288E5 for ; Mon, 2 Apr 2018 14:33:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752676AbeDBOdL (ORCPT ); Mon, 2 Apr 2018 10:33:11 -0400 Received: from smtp06.smtpout.orange.fr ([80.12.242.128]:38244 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752292AbeDBO12 (ORCPT ); Mon, 2 Apr 2018 10:27:28 -0400 Received: from belgarion.home ([86.201.130.131]) by mwinf5d63 with ME id VSSy1x00R2qEl8e03STQCR; Mon, 02 Apr 2018 16:27:26 +0200 X-ME-Helo: belgarion.home X-ME-Auth: amFyem1pay5yb2JlcnRAb3JhbmdlLmZy X-ME-Date: Mon, 02 Apr 2018 16:27:26 +0200 X-ME-IP: 86.201.130.131 From: Robert Jarzmik To: Daniel Mack , Haojian Zhuang , Robert Jarzmik , Bartlomiej Zolnierkiewicz , Tejun Heo , Vinod Koul , Mauro Carvalho Chehab , Ulf Hansson , Ezequiel Garcia , Boris Brezillon , David Woodhouse , Brian Norris , Marek Vasut , Richard Weinberger , Cyrille Pitchen , Nicolas Pitre , Samuel Ortiz , Greg Kroah-Hartman , Jaroslav Kysela , Takashi Iwai , Liam Girdwood , Mark Brown , Arnd Bergmann , Russell King Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, dmaengine@vger.kernel.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, devel@driverdev.osuosl.org, alsa-devel@alsa-project.org Subject: [PATCH 02/15] ARM: pxa: add dma slave map Date: Mon, 2 Apr 2018 16:26:43 +0200 Message-Id: <20180402142656.26815-3-robert.jarzmik@free.fr> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180402142656.26815-1-robert.jarzmik@free.fr> References: <20180402142656.26815-1-robert.jarzmik@free.fr> Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In order to remove the specific knowledge of the dma mapping from PXA drivers, add a default slave map for pxa architectures. This is the first step, and once all drivers are converted, pxad_filter_fn() will be made static, and the DMA resources removed from device.c. Signed-off-by: Robert Jarzmik Reported-by: Arnd Bergmann --- arch/arm/mach-pxa/devices.c | 55 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c index d7c9a8476d57..da67ebe9a7d5 100644 --- a/arch/arm/mach-pxa/devices.c +++ b/arch/arm/mach-pxa/devices.c @@ -4,6 +4,8 @@ #include #include #include +#include +#include #include #include @@ -1202,9 +1204,62 @@ void __init pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info) platform_device_add(pd); } +#define PDMA_FILTER_PARAM(_prio, _requestor) (&(struct pxad_param) { \ + .prio = PXAD_PRIO_##_prio, .drcmr = _requestor }) + +static const struct dma_slave_map pxa_slave_map[] = { + /* PXA25x, PXA27x and PXA3xx common entries */ + { "pxa-pcm-audio", "ac97_mic_mono", PDMA_FILTER_PARAM(LOWEST, 8) }, + { "pxa-pcm-audio", "ac97_aux_mono_in", PDMA_FILTER_PARAM(LOWEST, 9) }, + { "pxa-pcm-audio", "ac97_aux_mono_out", PDMA_FILTER_PARAM(LOWEST, 10) }, + { "pxa-pcm-audio", "ac97_stereo_in", PDMA_FILTER_PARAM(LOWEST, 11) }, + { "pxa-pcm-audio", "ac97_stereo_out", PDMA_FILTER_PARAM(LOWEST, 12) }, + { "pxa-pcm-audio", "ssp1_rx", PDMA_FILTER_PARAM(LOWEST, 13) }, + { "pxa-pcm-audio", "ssp1_tx", PDMA_FILTER_PARAM(LOWEST, 14) }, + { "pxa-pcm-audio", "ssp2_rx", PDMA_FILTER_PARAM(LOWEST, 15) }, + { "pxa-pcm-audio", "ssp2_tx", PDMA_FILTER_PARAM(LOWEST, 16) }, + { "pxa2xx-ir", "rx", PDMA_FILTER_PARAM(LOWEST, 17) }, + { "pxa2xx-ir", "tx", PDMA_FILTER_PARAM(LOWEST, 18) }, + { "pxa2xx-mci.0", "rx", PDMA_FILTER_PARAM(LOWEST, 21) }, + { "pxa2xx-mci.0", "tx", PDMA_FILTER_PARAM(LOWEST, 22) }, + { "smc911x.0", "rx", PDMA_FILTER_PARAM(LOWEST, -1) }, + { "smc911x.0", "tx", PDMA_FILTER_PARAM(LOWEST, -1) }, + { "smc91x.0", "data", PDMA_FILTER_PARAM(LOWEST, -1) }, + + /* PXA25x specific map */ + { "pxa25x-ssp.0", "rx", PDMA_FILTER_PARAM(LOWEST, 13) }, + { "pxa25x-ssp.0", "tx", PDMA_FILTER_PARAM(LOWEST, 14) }, + { "pxa25x-nssp.1", "rx", PDMA_FILTER_PARAM(LOWEST, 15) }, + { "pxa25x-nssp.1", "tx", PDMA_FILTER_PARAM(LOWEST, 16) }, + { "pxa25x-nssp.2", "rx", PDMA_FILTER_PARAM(LOWEST, 23) }, + { "pxa25x-nssp.2", "tx", PDMA_FILTER_PARAM(LOWEST, 24) }, + { "pxa-pcm-audio", "nssp2_rx", PDMA_FILTER_PARAM(LOWEST, 15) }, + { "pxa-pcm-audio", "nssp2_tx", PDMA_FILTER_PARAM(LOWEST, 16) }, + { "pxa-pcm-audio", "nssp3_rx", PDMA_FILTER_PARAM(LOWEST, 23) }, + { "pxa-pcm-audio", "nssp3_tx", PDMA_FILTER_PARAM(LOWEST, 24) }, + + /* PXA27x specific map */ + { "pxa-pcm-audio", "ssp3_rx", PDMA_FILTER_PARAM(LOWEST, 66) }, + { "pxa-pcm-audio", "ssp3_tx", PDMA_FILTER_PARAM(LOWEST, 67) }, + { "pxa27x-camera.0", "CI_Y", PDMA_FILTER_PARAM(HIGHEST, 68) }, + { "pxa27x-camera.0", "CI_U", PDMA_FILTER_PARAM(HIGHEST, 69) }, + { "pxa27x-camera.0", "CI_V", PDMA_FILTER_PARAM(HIGHEST, 70) }, + + /* PXA3xx specific map */ + { "pxa-pcm-audio", "ssp4_rx", PDMA_FILTER_PARAM(LOWEST, 2) }, + { "pxa-pcm-audio", "ssp4_tx", PDMA_FILTER_PARAM(LOWEST, 3) }, + { "pxa2xx-mci.1", "rx", PDMA_FILTER_PARAM(LOWEST, 93) }, + { "pxa2xx-mci.1", "tx", PDMA_FILTER_PARAM(LOWEST, 94) }, + { "pxa3xx-nand", "data", PDMA_FILTER_PARAM(LOWEST, 97) }, + { "pxa2xx-mci.2", "rx", PDMA_FILTER_PARAM(LOWEST, 100) }, + { "pxa2xx-mci.2", "tx", PDMA_FILTER_PARAM(LOWEST, 101) }, +}; + static struct mmp_dma_platdata pxa_dma_pdata = { .dma_channels = 0, .nb_requestors = 0, + .slave_map = pxa_slave_map, + .slave_map_cnt = ARRAY_SIZE(pxa_slave_map), }; static struct resource pxa_dma_resource[] = {