From patchwork Fri Aug 8 13:23:45 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jyri Sarha X-Patchwork-Id: 4695941 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6882BC0338 for ; Fri, 8 Aug 2014 13:24:34 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 88A3320173 for ; Fri, 8 Aug 2014 13:24:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A250220179 for ; Fri, 8 Aug 2014 13:24:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756777AbaHHNYZ (ORCPT ); Fri, 8 Aug 2014 09:24:25 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:47588 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756684AbaHHNYS (ORCPT ); Fri, 8 Aug 2014 09:24:18 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id s78DO5JW017731; Fri, 8 Aug 2014 08:24:05 -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 s78DO5uw019392; Fri, 8 Aug 2014 08:24:05 -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; Fri, 8 Aug 2014 08:24:04 -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 s78DO3Vg025326; Fri, 8 Aug 2014 08:24:04 -0500 From: Jyri Sarha To: , , CC: , , , , , Jyri Sarha Subject: [PATCH v3 04/14] OMAPDSS: hdmi_wp: Add function for getting audio dma address Date: Fri, 8 Aug 2014 16:23:45 +0300 Message-ID: <67c75df896a0ab9b1cf66a28a3ed0d89b0e5ba5f.1407503813.git.jsarha@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 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 1f01068..9e85b86 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 496327e..43bf93e 100644 --- a/drivers/video/fbdev/omap2/dss/hdmi_wp.c +++ b/drivers/video/fbdev/omap2/dss/hdmi_wp.c @@ -247,6 +247,7 @@ 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)) { @@ -256,3 +257,8 @@ 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; +}