From patchwork Thu Oct 8 12:40:09 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sugar Zhang X-Patchwork-Id: 7352421 Return-Path: X-Original-To: patchwork-linux-arm@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 89946BF90C for ; Thu, 8 Oct 2015 12:43:28 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BA96E20803 for ; Thu, 8 Oct 2015 12:43:27 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DFE252056C for ; Thu, 8 Oct 2015 12:43:26 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZkAVF-0000P1-JW; Thu, 08 Oct 2015 12:40:57 +0000 Received: from regular1.263xmail.com ([211.150.99.139]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZkAVB-0000Aj-18; Thu, 08 Oct 2015 12:40:55 +0000 Received: from sugar.zhang?rock-chips.com (unknown [192.168.167.224]) by regular1.263xmail.com (Postfix) with SMTP id A100055C2; Thu, 8 Oct 2015 20:40:25 +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 4EA9AD30; Thu, 8 Oct 2015 20:40:19 +0800 (CST) X-RL-SENDER: sugar.zhang@rock-chips.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: sugar.zhang@rock-chips.com X-UNIQUE-TAG: <156d6dca61ea62a5fa7f8702a9959f5d> X-ATTACHMENT-NUM: 0 X-SENDER: zxg@rock-chips.com X-DNS-TYPE: 0 Received: from unknown (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith SMTP id 9736WP9423; Thu, 08 Oct 2015 20:40:23 +0800 (CST) From: Sugar Zhang To: broonie@kernel.org, lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, heiko@sntech.de Subject: [PATCH v2 3/3] ASoC: rockchip: i2s: share tx/rx lrck when symmetric_rates enabled Date: Thu, 8 Oct 2015 20:40:09 +0800 Message-Id: <1444308009-29088-4-git-send-email-sugar.zhang@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1444308009-29088-1-git-send-email-sugar.zhang@rock-chips.com> References: <1444308009-29088-1-git-send-email-sugar.zhang@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151008_054054_093045_44CF9AE3 X-CRM114-Status: UNSURE ( 7.10 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sugar Zhang , linux-rockchip@lists.infradead.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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 share lrck_tx to lrck_rx when symmetric_rates enabled. Signed-off-by: Sugar Zhang --- Changes in v2: - new patch sound/soc/rockchip/rockchip_i2s.c | 8 ++++++++ sound/soc/rockchip/rockchip_i2s.h | 6 ++++++ 2 files changed, 14 insertions(+) diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index f07833b..58ee645 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -226,6 +226,7 @@ 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 = substream->private_data; unsigned int val = 0; switch (params_format(params)) { @@ -278,6 +279,13 @@ 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_rates || rtd->dai_link->symmetric_rates) + val = I2S_CKR_TRCM_TXSHARE; + + regmap_update_bits(i2s->regmap, I2S_CKR, + I2S_CKR_TRCM_MASK, + val); return 0; } diff --git a/sound/soc/rockchip/rockchip_i2s.h b/sound/soc/rockchip/rockchip_i2s.h index a54ee35..dc6e2c7 100644 --- a/sound/soc/rockchip/rockchip_i2s.h +++ b/sound/soc/rockchip/rockchip_i2s.h @@ -78,6 +78,12 @@ * CKR * clock generation register */ +#define I2S_CKR_TRCM_SHIFT 28 +#define I2S_CKR_TRCM(x) (x << I2S_CKR_TRCM_SHIFT) +#define I2S_CKR_TRCM_TXRX (0 << I2S_CKR_TRCM_SHIFT) +#define I2S_CKR_TRCM_TXSHARE (1 << I2S_CKR_TRCM_SHIFT) +#define I2S_CKR_TRCM_RXSHARE (2 << I2S_CKR_TRCM_SHIFT) +#define I2S_CKR_TRCM_MASK (3 << I2S_CKR_TRCM_SHIFT) #define I2S_CKR_MSS_SHIFT 27 #define I2S_CKR_MSS_MASTER (0 << I2S_CKR_MSS_SHIFT) #define I2S_CKR_MSS_SLAVE (1 << I2S_CKR_MSS_SHIFT)