From patchwork Mon Aug 19 19:25:28 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 11101817 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3F063912 for ; Mon, 19 Aug 2019 19:39:31 +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 1E66E214DA for ; Mon, 19 Aug 2019 19:39:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ZORDlSUk"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="b+UpZ4Mj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1E66E214DA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=iK5L9SFzKXPatD0w66LiW8W4R1gi/wQiJTI0LmChVqY=; b=ZORDlSUkHHCVNa ZzjH9rlYHsGmYkEJDHfksbebK9Bv4n2jKeVi4886cqqSYXpajTwJAw9nN/ChhZS3Z8Mws2MR+z4Pv 78K24I0lPLjNxU2iWeFWsdtTuSdRKL4qC8GaaMnjtpc3B1Pk9m+eHYgJyKZFX9C9/uq8i0fZhLJrq dERGX+ayUkiGFwJKDkxvPeFs2IuHfJmnARGZElSlR7FmubgVph8dWLfFG4zMhh/RMpMzmXde9Gqvw PmDhQCd3b1ZlIBMwU4yJPJHBA5I1z8c2WICJ38tJv06XWGAPOwN6Kpy1fvsyKfrIKlirLu9GdaVeP +92SkSVZtvYlJhK8Ipfw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hznV4-0004Xl-Dw; Mon, 19 Aug 2019 19:39:30 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hznIZ-0000fX-SD for linux-arm-kernel@lists.infradead.org; Mon, 19 Aug 2019 19:26:39 +0000 Received: from localhost (lfbn-1-10718-76.w90-89.abo.wanadoo.fr [90.89.68.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D967D22CEC; Mon, 19 Aug 2019 19:26:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566242795; bh=cj4R6p1TwnZUbmNQojsIlCMMsJUcZHjWCmxAfdU6wi8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=b+UpZ4MjGH6pYnpbvs3A3YVv4L0Jt5W+rs3liCwCywVc3ga3OUlZQiI5YnHr4tVbH GsZJYFu5mbFZpEy9qsthvtCMf6SMxwpc1qpSpA7gEdhctBuzL85H458le1KwIvrqky uoNmgsSgydWMuVp8N30e4LTNXw2pt43NsY0JIDto= From: Maxime Ripard To: Chen-Yu Tsai , Maxime Ripard , lgirdwood@gmail.com, broonie@kernel.org Subject: [PATCH 21/21] ASoC: sun4i-i2s: Add support for DSP formats Date: Mon, 19 Aug 2019 21:25:28 +0200 Message-Id: <74cc9562e056627e14f186089d349022b65f59e7.1566242458.git-series.maxime.ripard@bootlin.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190819_122637_580963_A7526755 X-CRM114-Status: GOOD ( 16.53 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: codekipper@gmail.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Maxime Ripard In addition to the I2S format, the controller also supports the DSP_* formats. This requires some extra care on the LRCK period calculation, since the controller, with the PCM formats, require that the value set is no longer the periods of LRCK for a single channel, but for all of them. Let's add the code to deal with this, and support the DSP_A and DSP_B formats. Signed-off-by: Maxime Ripard --- sound/soc/sunxi/sun4i-i2s.c | 44 ++++++++++++++++++++++++++++++-------- 1 file changed, 35 insertions(+), 9 deletions(-) diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index 4f76daeaaed7..198e3c580297 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -130,7 +130,6 @@ struct sun4i_i2s; * struct sun4i_i2s_quirks - Differences between SoC variants. * * @has_reset: SoC needs reset deasserted. - * @has_fmt_set_lrck_period: SoC requires lrclk period to be set. * @reg_offset_txdata: offset of the tx fifo. * @sun4i_i2s_regmap: regmap config to use. * @field_clkdiv_mclk_en: regmap field to enable mclk output. @@ -139,7 +138,6 @@ struct sun4i_i2s; */ struct sun4i_i2s_quirks { bool has_reset; - bool has_fmt_set_lrck_period; unsigned int reg_offset_txdata; /* TX FIFO */ const struct regmap_config *sun4i_i2s_regmap; @@ -167,6 +165,7 @@ struct sun4i_i2s { struct regmap *regmap; struct reset_control *rst; + unsigned int format; unsigned int mclk_freq; unsigned int slots; unsigned int slot_width; @@ -355,12 +354,6 @@ static int sun4i_i2s_set_clk_rate(struct snd_soc_dai *dai, regmap_field_write(i2s->field_clkdiv_mclk_en, 1); - /* Set sync period */ - if (i2s->variant->has_fmt_set_lrck_period) - regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG, - SUN8I_I2S_FMT0_LRCK_PERIOD_MASK, - SUN8I_I2S_FMT0_LRCK_PERIOD(params_physical_width(params))); - return 0; } @@ -422,6 +415,7 @@ static int sun8i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s, { unsigned int channels = params_channels(params); unsigned int slots = channels; + unsigned int lrck_period; if (i2s->slots) slots = i2s->slots; @@ -445,6 +439,26 @@ static int sun8i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s, SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM_MASK, SUN8I_I2S_CHAN_CFG_RX_SLOT_NUM(channels)); + switch (i2s->format & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + case SND_SOC_DAIFMT_DSP_B: + case SND_SOC_DAIFMT_LEFT_J: + case SND_SOC_DAIFMT_RIGHT_J: + lrck_period = params_physical_width(params) * slots; + break; + + case SND_SOC_DAIFMT_I2S: + lrck_period = params_physical_width(params); + break; + + default: + return -EINVAL; + } + + regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG, + SUN8I_I2S_FMT0_LRCK_PERIOD_MASK, + SUN8I_I2S_FMT0_LRCK_PERIOD(lrck_period)); + regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG, SUN8I_I2S_TX_CHAN_EN_MASK, SUN8I_I2S_TX_CHAN_EN(channels)); @@ -614,6 +628,16 @@ static int sun8i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, /* DAI Mode */ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + mode = SUN8I_I2S_CTRL_MODE_PCM; + offset = 1; + break; + + case SND_SOC_DAIFMT_DSP_B: + mode = SUN8I_I2S_CTRL_MODE_PCM; + offset = 0; + break; + case SND_SOC_DAIFMT_I2S: mode = SUN8I_I2S_CTRL_MODE_LEFT; offset = 1; @@ -682,6 +706,9 @@ static int sun4i_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) SUN4I_I2S_FIFO_CTRL_RX_MODE_MASK, SUN4I_I2S_FIFO_CTRL_TX_MODE(1) | SUN4I_I2S_FIFO_CTRL_RX_MODE(1)); + + i2s->format = fmt; + return 0; } @@ -1072,7 +1099,6 @@ static const struct sun4i_i2s_quirks sun8i_a83t_i2s_quirks = { .has_reset = true, .reg_offset_txdata = SUN8I_I2S_FIFO_TX_REG, .sun4i_i2s_regmap = &sun4i_i2s_regmap_config, - .has_fmt_set_lrck_period = true, .field_clkdiv_mclk_en = REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 8, 8), .field_fmt_wss = REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 2), .field_fmt_sr = REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 6),