From patchwork Mon Aug 25 19:04:12 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jyri Sarha X-Patchwork-Id: 4776511 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 0CB7E9F38D for ; Mon, 25 Aug 2014 19:06:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2EC2820154 for ; Mon, 25 Aug 2014 19:06:38 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id E579F2018A for ; Mon, 25 Aug 2014 19:06:36 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id F29A426516D; Mon, 25 Aug 2014 21:06:35 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id B6C48261647; Mon, 25 Aug 2014 21:04:47 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id A17352615F7; Mon, 25 Aug 2014 21:04:42 +0200 (CEST) Received: from arroyo.ext.ti.com (arroyo.ext.ti.com [192.94.94.40]) by alsa0.perex.cz (Postfix) with ESMTP id 0CA30260859 for ; Mon, 25 Aug 2014 21:04:35 +0200 (CEST) Received: from dflxv15.itg.ti.com ([128.247.5.124]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id s7PJ4XUf031854; Mon, 25 Aug 2014 14:04:33 -0500 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id s7PJ4Xv4009002; Mon, 25 Aug 2014 14:04:33 -0500 Received: from dflp33.itg.ti.com (10.64.6.16) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.174.1; Mon, 25 Aug 2014 14:04:32 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id s7PJ4Wvx002900; Mon, 25 Aug 2014 14:04:32 -0500 From: Jyri Sarha To: , , Date: Mon, 25 Aug 2014 22:04:12 +0300 Message-ID: <60c44c625ef5234d5a3e8e21418d038b1fd563d4.1408993242.git.jsarha@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 Cc: liam.r.girdwood@linux.intel.com, detheridge@ti.com, broonie@kernel.org, Jyri Sarha , peter.ujfalusi@ti.com, tomi.valkeinen@ti.com Subject: [alsa-devel] [PATCH v4 04/15] OMAPDSS: hdmi_wp: Add function for getting audio dma address X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP The audio dma port is found in the hdmi_wp physical address space. Signed-off-by: Jyri Sarha --- drivers/video/fbdev/omap2/dss/hdmi.h | 2 ++ drivers/video/fbdev/omap2/dss/hdmi_wp.c | 6 ++++++ 2 files changed, 8 insertions(+) diff --git a/drivers/video/fbdev/omap2/dss/hdmi.h b/drivers/video/fbdev/omap2/dss/hdmi.h index 03726b5..9ba7c1a 100644 --- a/drivers/video/fbdev/omap2/dss/hdmi.h +++ b/drivers/video/fbdev/omap2/dss/hdmi.h @@ -250,6 +250,7 @@ struct hdmi_core_audio_config { struct hdmi_wp_data { void __iomem *base; + phys_addr_t phys_base; }; struct hdmi_pll_data { @@ -317,6 +318,7 @@ void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp, void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt, struct omap_video_timings *timings, struct hdmi_config *param); int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp); +phys_addr_t hdmi_wp_get_audio_dma_addr(struct hdmi_wp_data *wp); /* HDMI PLL funcs */ int hdmi_pll_enable(struct hdmi_pll_data *pll, struct hdmi_wp_data *wp); diff --git a/drivers/video/fbdev/omap2/dss/hdmi_wp.c b/drivers/video/fbdev/omap2/dss/hdmi_wp.c index f1b53de..5154120 100644 --- a/drivers/video/fbdev/omap2/dss/hdmi_wp.c +++ b/drivers/video/fbdev/omap2/dss/hdmi_wp.c @@ -245,6 +245,7 @@ int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp) DSSERR("can't get WP mem resource\n"); return -EINVAL; } + wp->phys_base = res->start; wp->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(wp->base)) { @@ -254,3 +255,8 @@ int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp) return 0; } + +phys_addr_t hdmi_wp_get_audio_dma_addr(struct hdmi_wp_data *wp) +{ + return wp->phys_base + HDMI_WP_AUDIO_DATA; +}