Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965985AbbBCPP1 (ORCPT ); Tue, 3 Feb 2015 10:15:27 -0500 Received: from regular1.263xmail.com ([211.150.99.137]:60801 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756018AbbBCPPW (ORCPT ); Tue, 3 Feb 2015 10:15:22 -0500 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 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-DNS-TYPE: 0 From: Yakir Yang To: David Airlie , Russell King , Philipp Zabel Cc: Fabio Estevam , Shawn Guo , Rob Clark , Mark Yao , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Arnd Bergmann , Sean Cross , Jyri Sarha , Ben Zhang , alsa-devel@alsa-project.org, Heiko Stuebner , linux-arm-kernel@lists.infradead.org, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, djkurtz@chromium.org, mmind00@googlemail.com, dianders@chromium.org, marcheu@chromium.org, linux-rockchip@lists.infradead.org, Yakir Yang Subject: [PATCH v3 08/15] drm: bridge/dw_hdmi: add audio support for more display resolutions 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> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3399 Lines: 133 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; -- 2.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/