From patchwork Thu Jun 4 12:22:41 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 6546421 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id B5EEC9F326 for ; Thu, 4 Jun 2015 12:33:58 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CFD4F207B6 for ; Thu, 4 Jun 2015 12:33:57 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 92DFF205B9 for ; Thu, 4 Jun 2015 12:33:56 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id A89FF266739; Thu, 4 Jun 2015 14:33:55 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 6E8B22664D5; Thu, 4 Jun 2015 14:26:18 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 0D5E42664F2; Thu, 4 Jun 2015 14:26:17 +0200 (CEST) Received: from arroyo.ext.ti.com (arroyo.ext.ti.com [192.94.94.40]) by alsa0.perex.cz (Postfix) with ESMTP id 5ECC12664F0 for ; Thu, 4 Jun 2015 14:23:35 +0200 (CEST) Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id t54CNX8c013772; Thu, 4 Jun 2015 07:23:33 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id t54CNXID001493; Thu, 4 Jun 2015 07:23:33 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.224.2; Thu, 4 Jun 2015 07:23:33 -0500 Received: from dlep32.itg.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id t54CMqXi028164; Thu, 4 Jun 2015 07:23:31 -0500 From: Peter Ujfalusi To: Mark Brown , Liam Girdwood , Date: Thu, 4 Jun 2015 15:22:41 +0300 Message-ID: <1433420571-5421-18-git-send-email-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.4.2 In-Reply-To: <1433420571-5421-1-git-send-email-peter.ujfalusi@ti.com> References: <1433420571-5421-1-git-send-email-peter.ujfalusi@ti.com> MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org Subject: [alsa-devel] [PATCH 17/22] ASoC: tas2552: Add support for word length configuration X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 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-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Configure the word length based on the params_width of the stream. Also configure the clock per frame value which is used when tas2552 is bus master. Signed-off-by: Peter Ujfalusi --- sound/soc/codecs/tas2552.c | 38 ++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/tas2552.h | 10 ++++++++++ 2 files changed, 48 insertions(+) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index 9c081344bd90..13b435f9a9b1 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -166,7 +166,45 @@ static int tas2552_hw_params(struct snd_pcm_substream *substream, struct tas2552_data *tas2552 = dev_get_drvdata(codec->dev); int sample_rate, pll_clk; int d; + int cpf; u8 p, j; + u8 ser_ctrl1_reg; + + switch (params_width(params)) { + case 16: + ser_ctrl1_reg = TAS2552_WORDLENGTH_16BIT; + cpf = 32 + tas2552->tdm_delay; + break; + case 20: + ser_ctrl1_reg = TAS2552_WORDLENGTH_20BIT; + cpf = 64 + tas2552->tdm_delay; + break; + case 24: + ser_ctrl1_reg = TAS2552_WORDLENGTH_24BIT; + cpf = 64 + tas2552->tdm_delay; + break; + case 32: + ser_ctrl1_reg = TAS2552_WORDLENGTH_32BIT; + cpf = 64 + tas2552->tdm_delay; + break; + default: + dev_err(codec->dev, "Not supported sample size: %d\n", + params_width(params)); + return -EINVAL; + } + + if (cpf <= 32) + ser_ctrl1_reg |= TAS2552_CLKSPERFRAME_32; + else if (cpf <= 64) + ser_ctrl1_reg |= TAS2552_CLKSPERFRAME_64; + else if (cpf <= 128) + ser_ctrl1_reg |= TAS2552_CLKSPERFRAME_128; + else + ser_ctrl1_reg |= TAS2552_CLKSPERFRAME_256; + + snd_soc_update_bits(codec, TAS2552_SER_CTRL_1, + TAS2552_WORDLENGTH_MASK | TAS2552_CLKSPERFRAME_MASK, + ser_ctrl1_reg); if (!tas2552->pll_clkin) return -EINVAL; diff --git a/sound/soc/codecs/tas2552.h b/sound/soc/codecs/tas2552.h index 5bdc7eaaddea..de0ab0d27520 100644 --- a/sound/soc/codecs/tas2552.h +++ b/sound/soc/codecs/tas2552.h @@ -66,11 +66,21 @@ #define TAS2552_SDOUT_TRISTATE (1 << 2) /* Serial Interface Control Register Masks */ +#define TAS2552_WORDLENGTH_16BIT (0x0 << 0) +#define TAS2552_WORDLENGTH_20BIT (0x1 << 0) +#define TAS2552_WORDLENGTH_24BIT (0x2 << 0) +#define TAS2552_WORDLENGTH_32BIT (0x3 << 0) +#define TAS2552_WORDLENGTH_MASK TAS2552_WORDLENGTH_32BIT #define TAS2552_DATAFORMAT_I2S (0x0 << 2) #define TAS2552_DATAFORMAT_DSP (0x1 << 2) #define TAS2552_DATAFORMAT_RIGHT_J (0x2 << 2) #define TAS2552_DATAFORMAT_LEFT_J (0x3 << 2) #define TAS2552_DATAFORMAT_MASK TAS2552_DATAFORMAT_LEFT_J +#define TAS2552_CLKSPERFRAME_32 (0x0 << 4) +#define TAS2552_CLKSPERFRAME_64 (0x1 << 4) +#define TAS2552_CLKSPERFRAME_128 (0x2 << 4) +#define TAS2552_CLKSPERFRAME_256 (0x3 << 4) +#define TAS2552_CLKSPERFRAME_MASK TAS2552_CLKSPERFRAME_256 #define TAS2552_BCLKDIR (1 << 6) #define TAS2552_WCLKDIR (1 << 7)