From patchwork Tue Aug 24 09:18:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sugar Zhang X-Patchwork-Id: 12454315 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7C74CC4338F for ; Tue, 24 Aug 2021 09:19:15 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4222D61178 for ; Tue, 24 Aug 2021 09:19:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 4222D61178 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=rock-chips.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=z+kEmGnLsMe0jgzc184UouI8qu78NtMgyrxLMsRkcBk=; b=o1SaclHc68QtKM JHQGb85qXVnxmk3BF+gkOHNDill704n54BYy/wtWBwkqxTl4KuJT1EcAPWznKGaS9N409ibi7j1Jd hOyDa9FLodyLJc4LavIGYsXxLcx1yrOdz1EmQ4bRiUnIP9n8rGXFSJjJ0NTscobp1XLKMMigK+Y8F 74Wrq7OqSzDGjyv35gQUqOyCb4uXdw5ij+xbUwUwK4PcLJQb5QYf681n8ct/r8LBbL4+IDPSsShrb n99sG5T5MmcAcsBsZykiJN05wbzr3Pt81J7MVHd0gUxpqxAxTdx0vdCacbdaoj3N0Z5HX+nsoAopC DBA5Q0kC4jmTpmd8QHuQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mISaN-002Hqy-Pl; Tue, 24 Aug 2021 09:19:11 +0000 Received: from lucky1.263xmail.com ([211.157.147.133]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mISaK-002HoN-8E for linux-rockchip@lists.infradead.org; Tue, 24 Aug 2021 09:19:10 +0000 Received: from localhost (unknown [192.168.167.16]) by lucky1.263xmail.com (Postfix) with ESMTP id 28343D66F5; Tue, 24 Aug 2021 17:19:06 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-SKE-CHECKED: 1 X-ANTISPAM-LEVEL: 2 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P704T139881214887680S1629796736938922_; Tue, 24 Aug 2021 17:19:05 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: X-RL-SENDER: sugar.zhang@rock-chips.com X-SENDER: zxg@rock-chips.com X-LOGIN-NAME: sugar.zhang@rock-chips.com X-FST-TO: broonie@kernel.org X-RCPT-COUNT: 7 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Sugar Zhang To: broonie@kernel.org, heiko@sntech.de Cc: linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org, Xing Zheng , Sugar Zhang Subject: [PATCH v2 14/15] ASoC: rockchip: i2s: Add support for TRCM property Date: Tue, 24 Aug 2021 17:18:53 +0800 Message-Id: <1629796734-4243-4-git-send-email-sugar.zhang@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1629796561-4025-1-git-send-email-sugar.zhang@rock-chips.com> References: <1629796561-4025-1-git-send-email-sugar.zhang@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210824_021908_829113_A1A621C6 X-CRM114-Status: GOOD ( 17.50 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Xing Zheng If there is only one lrck (tx or rx) by hardware, we need to use 'rockchip,trcm-sync-tx-only/rx-only' to specify which lrck can be used. Signed-off-by: Xing Zheng Signed-off-by: Sugar Zhang --- Changes in v2: - split property trcm into single 'trcm-sync-tx-only' and 'trcm-sync-rx-only' suggested by Nicolas. sound/soc/rockchip/rockchip_i2s.c | 30 +++++++++++++++++++++--------- 1 file changed, 21 insertions(+), 9 deletions(-) diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index 84884ce..cd9e069 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -25,6 +25,10 @@ #define DRV_NAME "rockchip-i2s" +#define TRCM_TXRX 0 +#define TRCM_TX 1 +#define TRCM_RX 2 + struct rk_i2s_pins { u32 reg_offset; u32 shift; @@ -321,7 +325,6 @@ static int rockchip_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct rk_i2s_dev *i2s = to_info(dai); - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); unsigned int val = 0; unsigned int mclk_rate, bclk_rate, div_bclk, div_lrck; @@ -421,13 +424,6 @@ static int rockchip_i2s_hw_params(struct snd_pcm_substream *substream, regmap_update_bits(i2s->regmap, I2S_DMACR, I2S_DMACR_RDL_MASK, I2S_DMACR_RDL(16)); - val = I2S_CKR_TRCM_TXRX; - if (dai->driver->symmetric_rate && rtd->dai_link->symmetric_rate) - val = I2S_CKR_TRCM_TXONLY; - - regmap_update_bits(i2s->regmap, I2S_CKR, - I2S_CKR_TRCM_MASK, - val); return 0; } @@ -531,7 +527,6 @@ static struct snd_soc_dai_driver rockchip_i2s_dai = { SNDRV_PCM_FMTBIT_S32_LE), }, .ops = &rockchip_i2s_dai_ops, - .symmetric_rate = 1, }; static const struct snd_soc_component_driver rockchip_i2s_component = { @@ -652,6 +647,7 @@ static int rockchip_i2s_probe(struct platform_device *pdev) struct snd_soc_dai_driver *soc_dai; struct resource *res; void __iomem *regs; + unsigned int clk_trcm; int ret; int val; @@ -749,6 +745,22 @@ static int rockchip_i2s_probe(struct platform_device *pdev) else if (of_property_read_bool(node, "rockchip,capture-only")) soc_dai->playback.channels_min = 0; + clk_trcm = TRCM_TXRX; + if (of_property_read_bool(node, "rockchip,trcm-sync-tx-only")) + clk_trcm = TRCM_TX; + if (of_property_read_bool(node, "rockchip,trcm-sync-rx-only")) { + if (clk_trcm) { + dev_err(i2s->dev, "invalid trcm-sync configuration\n"); + return -EINVAL; + } + clk_trcm = TRCM_RX; + } + if (clk_trcm != TRCM_TXRX) + soc_dai->symmetric_rate = 1; + + regmap_update_bits(i2s->regmap, I2S_CKR, + I2S_CKR_TRCM_MASK, I2S_CKR_TRCM(clk_trcm)); + ret = devm_snd_soc_register_component(&pdev->dev, &rockchip_i2s_component, soc_dai, 1);