From patchwork Thu Aug 26 04:03:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: sugar zhang X-Patchwork-Id: 502925 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=-16.8 required=3.0 tests=BAYES_00,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=unavailable 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 A084DC432BE for ; Thu, 26 Aug 2021 04:05:48 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 1D57F610E5 for ; Thu, 26 Aug 2021 04:05:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1D57F610E5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=rock-chips.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id B379D1689; Thu, 26 Aug 2021 06:04:56 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz B379D1689 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1629950746; bh=CZmvqVnq6ZgmJn0DrQjH+BprXPjX/BCC/HHewQCBIF8=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=ie9saUvu0Af01NocnA5FCooupo1d9UdFm8l4IBpYaI4FXS0fwv5gK1erX4QbDPF3j xZl17IOulzsIxlPYcsP781rwzEGzSkUJxOWE2+nQzQDqZmtb8ivWS24SsFRsQrfcqM c8fRQaSQoi9wTtsmWRmC7nVSCQqVFS7xeHobD9i4= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 114C6F804E6; Thu, 26 Aug 2021 06:03:37 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 9B9CDF804E7; Thu, 26 Aug 2021 06:03:35 +0200 (CEST) Received: from lucky1.263xmail.com (lucky1.263xmail.com [211.157.147.135]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 40D0CF8032D for ; Thu, 26 Aug 2021 06:03:22 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 40D0CF8032D Received: from localhost (unknown [192.168.167.235]) by lucky1.263xmail.com (Postfix) with ESMTP id 72474B2F75; Thu, 26 Aug 2021 12:03:18 +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 P32763T139760853055232S1629950596113927_; Thu, 26 Aug 2021 12:03:18 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <4957e4f85885b405531a778e34ab48ec> 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 Subject: [PATCH v3 13/14] ASoC: rockchip: i2s: Add support for TRCM property Date: Thu, 26 Aug 2021 12:03:13 +0800 Message-Id: <1629950594-14345-3-git-send-email-sugar.zhang@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1629950441-14118-1-git-send-email-sugar.zhang@rock-chips.com> References: <1629950441-14118-1-git-send-email-sugar.zhang@rock-chips.com> Cc: Sugar Zhang , linux-rockchip@lists.infradead.org, alsa-devel@alsa-project.org, Xing Zheng , devicetree@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 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: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" 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 v3: None 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 | 29 ++++++++++++++++++++--------- 1 file changed, 20 insertions(+), 9 deletions(-) diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index 801fc60..3e8b96e 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; @@ -324,7 +328,6 @@ 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; @@ -424,13 +427,6 @@ 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; } @@ -513,7 +509,6 @@ static const struct snd_soc_dai_ops rockchip_i2s_dai_ops = { static struct snd_soc_dai_driver rockchip_i2s_dai = { .probe = rockchip_i2s_dai_probe, .ops = &rockchip_i2s_dai_ops, - .symmetric_rate = 1, }; static const struct snd_soc_component_driver rockchip_i2s_component = { @@ -689,6 +684,22 @@ static int rockchip_i2s_init_dai(struct rk_i2s_dev *i2s, struct resource *res, } } + val = TRCM_TXRX; + if (of_property_read_bool(node, "rockchip,trcm-sync-tx-only")) + val = TRCM_TX; + if (of_property_read_bool(node, "rockchip,trcm-sync-rx-only")) { + if (val) { + dev_err(i2s->dev, "invalid trcm-sync configuration\n"); + return -EINVAL; + } + val = TRCM_RX; + } + if (val != TRCM_TXRX) + dai->symmetric_rate = 1; + + regmap_update_bits(i2s->regmap, I2S_CKR, + I2S_CKR_TRCM_MASK, I2S_CKR_TRCM(val)); + if (dp) *dp = dai;