From patchwork Tue Feb 3 15:14:28 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yakir Yang X-Patchwork-Id: 5769531 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 8B2DBBF440 for ; Tue, 3 Feb 2015 15:20:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B72F9201FB for ; Tue, 3 Feb 2015 15:20:06 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 8DDAF2022D for ; Tue, 3 Feb 2015 15:20:05 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id C69472614AC; Tue, 3 Feb 2015 16:20:04 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Status: No, score=-0.2 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY, URIBL_BLACK autolearn=no version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 26C7B261515; Tue, 3 Feb 2015 16:17:55 +0100 (CET) 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 81C05261525; Tue, 3 Feb 2015 16:17:53 +0100 (CET) Received: from regular1.263xmail.com (regular1.263xmail.com [211.150.99.137]) by alsa0.perex.cz (Postfix) with ESMTP id 536E026147E for ; Tue, 3 Feb 2015 16:15:21 +0100 (CET) Received: from ykk?rock-chips.com (unknown [192.168.167.225]) by regular1.263xmail.com (Postfix) with SMTP id 711166D45; Tue, 3 Feb 2015 23:15:15 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 6038F455; Tue, 3 Feb 2015 23:14:49 +0800 (CST) X-RL-SENDER: ykk@rock-chips.com X-FST-TO: airlied@linux.ie X-SENDER-IP: 192.253.240.203 X-LOGIN-NAME: ykk@rock-chips.com X-UNIQUE-TAG: <142b6f160b18b64c1079a6542dca5bc3> X-ATTACHMENT-NUM: 0 X-SENDER: ykk@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [192.253.240.203]) by smtp.263.net (Postfix) whith ESMTP id 18595HTAC3D; Tue, 03 Feb 2015 23:15:17 +0800 (CST) From: Yakir Yang To: David Airlie , Russell King , Philipp Zabel Date: Tue, 3 Feb 2015 10:14:28 -0500 Message-Id: <1422976468-30259-1-git-send-email-ykk@rock-chips.com> X-Mailer: git-send-email 2.1.2 In-Reply-To: <1422975418-13302-1-git-send-email-ykk@rock-chips.com> References: <1422975418-13302-1-git-send-email-ykk@rock-chips.com> Cc: Mark Rutland , alsa-devel@alsa-project.org, Heiko Stuebner , djkurtz@chromium.org, dianders@chromium.org, Yakir Yang , mmind00@googlemail.com, Pawel Moll , linux-rockchip@lists.infradead.org, Sean Cross , devicetree@vger.kernel.org, Arnd Bergmann , Ian Campbell , Jyri Sarha , Ben Zhang , Rob Herring , dri-devel@lists.freedesktop.org, marcheu@chromium.org, linux-arm-kernel@lists.infradead.org, Mark Yao , Fabio Estevam , linux-kernel@vger.kernel.org, Rob Clark , Daniel Vetter , Kumar Gala , Shawn Guo Subject: [alsa-devel] [PATCH v3 08/15] drm: bridge/dw_hdmi: add audio support for more display resolutions 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: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Add more n/cts values, in that case we can support audio for more display resolutions (128 * SampleRate = PixelClock * N / CTS). Signed-off-by: Yakir Yang --- Changes in v3: None Changes in v2: - add more n/cts combinations for more display resolutions drivers/gpu/drm/bridge/dw_hdmi.c | 58 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c index b0b2605..1c0515f 100644 --- a/drivers/gpu/drm/bridge/dw_hdmi.c +++ b/drivers/gpu/drm/bridge/dw_hdmi.c @@ -244,8 +244,24 @@ static unsigned int hdmi_compute_n(unsigned int freq, unsigned long pixel_clk, case 44100: if (pixel_clk == 25170000) n = 7007; + else if (pixel_clk == 25175000) + n = 28224; + else if (pixel_clk == 40000000) + n = 7056; + else if (pixel_clk == 54000000) + n = 6272; + else if (pixel_clk == 65000000) + n = 7056; else if (pixel_clk == 74170000) n = 17836; + else if (pixel_clk == 74250000) + n = 6272; + else if (pixel_clk == 83500000) + n = 7056; + else if (pixel_clk == 106500000) + n = 4074; + else if (pixel_clk == 108000000) + n = 4018; else if (pixel_clk == 148350000) n = (ratio == 150) ? 17836 : 8918; else @@ -255,10 +271,26 @@ static unsigned int hdmi_compute_n(unsigned int freq, unsigned long pixel_clk, case 48000: if (pixel_clk == 25170000) n = (ratio == 150) ? 9152 : 6864; + else if (pixel_clk == 25175000) + n = 12288; else if (pixel_clk == 27020000) n = (ratio == 150) ? 8192 : 6144; + else if (pixel_clk == 40000000) + n = 6144; + else if (pixel_clk == 54000000) + n = 6144; + else if (pixel_clk == 65000000) + n = 6144; else if (pixel_clk == 74170000) n = 11648; + else if (pixel_clk == 74250000) + n = 6144; + else if (pixel_clk == 83500000) + n = 6144; + else if (pixel_clk == 106500000) + n = 6144; + else if (pixel_clk == 108000000) + n = 6144; else if (pixel_clk == 148350000) n = (ratio == 150) ? 11648 : 5824; else @@ -306,10 +338,18 @@ static unsigned int hdmi_compute_cts(unsigned int freq, unsigned long pixel_clk, case 96000: case 192000: switch (pixel_clk) { + case 25175000: + cts = 50350; + break; case 25200000: case 27000000: + case 40000000: case 54000000: + case 65000000: case 74250000: + case 83500000: + case 106500000: + case 108000000: case 148500000: cts = pixel_clk / 1000; break; @@ -330,18 +370,36 @@ static unsigned int hdmi_compute_cts(unsigned int freq, unsigned long pixel_clk, case 88200: case 176400: switch (pixel_clk) { + case 25175000: + cts = 125875; + break; case 25200000: cts = 28000; break; case 27000000: cts = 30000; break; + case 40000000: + cts = 50000; + break; case 54000000: cts = 60000; break; + case 65000000: + cts = 81250; + break; case 74250000: cts = 82500; break; + case 83500000: + cts = 104375; + break; + case 106500000: + cts = 88750; + break; + case 108000000: + cts = 76875; + break; case 148500000: cts = 165000; break;