From patchwork Sun Mar 1 02:45:24 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yakir Yang X-Patchwork-Id: 5908661 Return-Path: X-Original-To: patchwork-dri-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 3B081BF440 for ; Sun, 1 Mar 2015 17:10:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 573AB202A1 for ; Sun, 1 Mar 2015 17:10:06 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 642F12025B for ; Sun, 1 Mar 2015 17:10:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8DD3A6E204; Sun, 1 Mar 2015 09:09:57 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from regular1.263xmail.com (regular1.263xmail.com [211.150.99.138]) by gabe.freedesktop.org (Postfix) with ESMTP id C62D46E0AE for ; Sat, 28 Feb 2015 18:47:27 -0800 (PST) Received: from ykk?rock-chips.com (unknown [192.168.167.128]) by regular1.263xmail.com (Postfix) with SMTP id 585E14C38; Sun, 1 Mar 2015 10:47:22 +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 2FA221F725; Sun, 1 Mar 2015 10:47:19 +0800 (CST) X-RL-SENDER: ykk@rock-chips.com X-FST-TO: djkurtz@chromium.org X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: ykk@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: ykk@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 663ZN0LRT; Sun, 01 Mar 2015 10:47:20 +0800 (CST) From: Yakir Yang To: djkurtz@chromium.org, dianders@chromium.org, linux-rockchip@lists.infradead.org Subject: [PATCH v4 08/15] drm: bridge/dw_hdmi: add audio support for more display resolutions Date: Sat, 28 Feb 2015 21:45:24 -0500 Message-Id: <1425177924-2130-1-git-send-email-ykk@rock-chips.com> X-Mailer: git-send-email 2.1.2 In-Reply-To: <1425175834-24661-1-git-send-email-ykk@rock-chips.com> References: <1425175834-24661-1-git-send-email-ykk@rock-chips.com> X-Mailman-Approved-At: Sun, 01 Mar 2015 09:09:56 -0800 Cc: Fabio Estevam , mmind00@googlemail.com, marcheu@chromium.org, Greg Kroah-Hartman , Yakir Yang , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Andy Yan , Russell King X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 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 v4: None 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 001e5ab..b34ae80 100644 --- a/drivers/gpu/drm/bridge/dw_hdmi.c +++ b/drivers/gpu/drm/bridge/dw_hdmi.c @@ -247,8 +247,24 @@ 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 @@ -258,10 +274,26 @@ 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 @@ -309,10 +341,18 @@ 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; @@ -333,18 +373,36 @@ 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;