From patchwork Sun Sep 27 19:28:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgUMOpcm9u?= X-Patchwork-Id: 11802291 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 1ACBB112C for ; Sun, 27 Sep 2020 19:30:20 +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 D474C206E5 for ; Sun, 27 Sep 2020 19:30:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="sc61FtQY"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="XjgZBK2M" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D474C206E5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@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 D94D518E9; Sun, 27 Sep 2020 21:29:31 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz D94D518E9 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1601235014; bh=lUj4XAUCUpyxfxtPcQW1mXWWKe3jFfL8px8IFe8gnu8=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=sc61FtQYa1LsPketUcjQcOAFzhJbFmvU9lP5jEawrRtjBQ0A+CBOdiJq2hCfOBvEA yrq/mG/mW8TKvXSsE4Zv5J0MM0/Y29p09IT4ldl0QMprcE945vkTQedLAg0vSAGOWD t2RAivyEdf4VqrfC1SfM0SWSlHUeqn4v/OsehpNo= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id B7232F8022B; Sun, 27 Sep 2020 21:29:30 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id AECA3F8028F; Sun, 27 Sep 2020 21:29:28 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: X-Spam-Status: No, score=0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FROM,PRX_BODY_26,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 1C22CF800DF for ; Sun, 27 Sep 2020 21:29:22 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 1C22CF800DF Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="XjgZBK2M" Received: by mail-wr1-x443.google.com with SMTP id z4so9571416wrr.4 for ; Sun, 27 Sep 2020 12:29:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=OyfHIE0qAhOjNCFNxAQ6O7ihABXSVqgxqKsK1DQfOYg=; b=XjgZBK2M1cUlt3D0plcopQaVRkhJC3WRcjSIMwCm/PMkn5cbAQD2SrKfXRGdAoJabx zdfRiRQN+9alvyChbeAqfVdbrJeFtAnCUucGvASrcjHPLWaZ/QyLOOufxdJgZ3oCtmSc 0Piyk2sDjWXjpEjlFYDyxB4/EWJWAEbHCryFeB7+xPmORXFjESTZrUzraAKzSN0PI8Fy 7Ud3pH8FxQWLDeTdalrlEH6ue9n++GwyLFO0r7IKi0rMpvuScwjYUnIGmOW+YKgHE9OR +Om3wlWhsHTRamSpjd5NbGFa19tafCPaHjVDIBKz42OFE603QcPMBrzwlTKWVjqju1IE ByGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=OyfHIE0qAhOjNCFNxAQ6O7ihABXSVqgxqKsK1DQfOYg=; b=hbmSccT0k0jTH6Xx4uv3E3TuuspZsSAwhK3wr8n7tFmJ06jyiu2t82REPKzt4fY4/i QhRz4ZuqOY33cMheQYRNuF74ipFLZE2Xx8suDvDndmuLbycV/N2m4p8sBzb7JY5jWM1q sxx0hFpvVfyEEfo9I6DWwB6LwIU5PoaYM+Ga+kB4UdCFPfVVzno4EP6dklM9NwpbaniT 4t/i/fJjxNG8SATmLQWc7xY1A0j4wdXc9ndT/fgD2DuBFbOVKRU4UHh9t0+ckchWqXLf bFdHgIQPVYL2TUU4wC9C8T0LaI5rop9XRyKUB5KjheGUY2bZqpiusGhGsTisWRfRmTaA RlCA== X-Gm-Message-State: AOAM531m2KPwmmL+Ns9U9uJMP8AMPVkeVesvNxLETBtcXVJT0Hg8gkbl hu/9qRGSgKcmeWABJyw2IgI= X-Google-Smtp-Source: ABdhPJypHB/nVvJsThv5xw8CIcWqqQsPakBV+SlU4uMQhahm5SGPXu5E70m3mk8Olaqd04lK8chq4g== X-Received: by 2002:a5d:68d1:: with SMTP id p17mr14672759wrw.378.1601234958534; Sun, 27 Sep 2020 12:29:18 -0700 (PDT) Received: from clement-Latitude-7490.numericable.fr (213-245-241-245.rev.numericable.fr. [213.245.241.245]) by smtp.gmail.com with ESMTPSA id n21sm6149609wmi.21.2020.09.27.12.29.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 27 Sep 2020 12:29:17 -0700 (PDT) From: =?utf-8?b?Q2zDqW1lbnQgUMOpcm9u?= To: Maxime Ripard , Chen-Yu Tsai , Rob Herring , Mark Brown , Liam Girdwood Subject: [PATCH v5 01/20] ASoC: sun4i-i2s: Add support for H6 I2S Date: Sun, 27 Sep 2020 21:28:53 +0200 Message-Id: <20200927192912.46323-2-peron.clem@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200927192912.46323-1-peron.clem@gmail.com> References: <20200927192912.46323-1-peron.clem@gmail.com> MIME-Version: 1.0 Cc: devicetree@vger.kernel.org, Jernej Skrabec , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Takashi Iwai , Marcus Cooper , linux-sunxi@googlegroups.com, =?utf-8?b?Q2zDqW1lbnQgUMOpcm9u?= , linux-arm-kernel@lists.infradead.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: Jernej Skrabec H6 I2S is very similar to that in H3, except it supports up to 16 channels. Signed-off-by: Jernej Skrabec Signed-off-by: Marcus Cooper Signed-off-by: Clément Péron Reviewed-by: Chen-Yu Tsai --- sound/soc/sunxi/sun4i-i2s.c | 224 ++++++++++++++++++++++++++++++++++++ 1 file changed, 224 insertions(+) diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index f23ff29e7c1d..2baf6c276280 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -124,6 +124,21 @@ #define SUN8I_I2S_RX_CHAN_SEL_REG 0x54 #define SUN8I_I2S_RX_CHAN_MAP_REG 0x58 +/* Defines required for sun50i-h6 support */ +#define SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET_MASK GENMASK(21, 20) +#define SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET(offset) ((offset) << 20) +#define SUN50I_H6_I2S_TX_CHAN_SEL_MASK GENMASK(19, 16) +#define SUN50I_H6_I2S_TX_CHAN_SEL(chan) ((chan - 1) << 16) +#define SUN50I_H6_I2S_TX_CHAN_EN_MASK GENMASK(15, 0) +#define SUN50I_H6_I2S_TX_CHAN_EN(num_chan) (((1 << num_chan) - 1)) + +#define SUN50I_H6_I2S_TX_CHAN_MAP0_REG 0x44 +#define SUN50I_H6_I2S_TX_CHAN_MAP1_REG 0x48 + +#define SUN50I_H6_I2S_RX_CHAN_SEL_REG 0x64 +#define SUN50I_H6_I2S_RX_CHAN_MAP0_REG 0x68 +#define SUN50I_H6_I2S_RX_CHAN_MAP1_REG 0x6C + struct sun4i_i2s; /** @@ -474,6 +489,62 @@ static int sun8i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s, return 0; } +static int sun50i_h6_i2s_set_chan_cfg(const struct sun4i_i2s *i2s, + const struct snd_pcm_hw_params *params) +{ + unsigned int channels = params_channels(params); + unsigned int slots = channels; + unsigned int lrck_period; + + if (i2s->slots) + slots = i2s->slots; + + /* Map the channels for playback and capture */ + regmap_write(i2s->regmap, SUN50I_H6_I2S_TX_CHAN_MAP1_REG, 0x76543210); + regmap_write(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_MAP1_REG, 0x76543210); + + /* Configure the channels */ + regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG, + SUN50I_H6_I2S_TX_CHAN_SEL_MASK, + SUN50I_H6_I2S_TX_CHAN_SEL(channels)); + regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_SEL_REG, + SUN50I_H6_I2S_TX_CHAN_SEL_MASK, + SUN50I_H6_I2S_TX_CHAN_SEL(channels)); + + regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG, + SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM_MASK, + SUN8I_I2S_CHAN_CFG_TX_SLOT_NUM(channels)); + regmap_update_bits(i2s->regmap, SUN8I_I2S_CHAN_CFG_REG, + 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, + SUN50I_H6_I2S_TX_CHAN_EN_MASK, + SUN50I_H6_I2S_TX_CHAN_EN(channels)); + + return 0; +} + static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) @@ -699,6 +770,108 @@ static int sun8i_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, return 0; } +static int sun50i_h6_i2s_set_soc_fmt(const struct sun4i_i2s *i2s, + unsigned int fmt) +{ + u32 mode, val; + u8 offset; + + /* + * DAI clock polarity + * + * The setup for LRCK contradicts the datasheet, but under a + * scope it's clear that the LRCK polarity is reversed + * compared to the expected polarity on the bus. + */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_IB_IF: + /* Invert both clocks */ + val = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED; + break; + case SND_SOC_DAIFMT_IB_NF: + /* Invert bit clock */ + val = SUN8I_I2S_FMT0_BCLK_POLARITY_INVERTED | + SUN8I_I2S_FMT0_LRCLK_POLARITY_INVERTED; + break; + case SND_SOC_DAIFMT_NB_IF: + /* Invert frame clock */ + val = 0; + break; + case SND_SOC_DAIFMT_NB_NF: + val = SUN8I_I2S_FMT0_LRCLK_POLARITY_INVERTED; + break; + default: + return -EINVAL; + } + + regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG, + SUN8I_I2S_FMT0_LRCLK_POLARITY_MASK | + SUN8I_I2S_FMT0_BCLK_POLARITY_MASK, + val); + + /* 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; + break; + + case SND_SOC_DAIFMT_LEFT_J: + mode = SUN8I_I2S_CTRL_MODE_LEFT; + offset = 0; + break; + + case SND_SOC_DAIFMT_RIGHT_J: + mode = SUN8I_I2S_CTRL_MODE_RIGHT; + offset = 0; + break; + + default: + return -EINVAL; + } + + regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG, + SUN8I_I2S_CTRL_MODE_MASK, mode); + regmap_update_bits(i2s->regmap, SUN8I_I2S_TX_CHAN_SEL_REG, + SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET_MASK, + SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET(offset)); + regmap_update_bits(i2s->regmap, SUN50I_H6_I2S_RX_CHAN_SEL_REG, + SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET_MASK, + SUN50I_H6_I2S_TX_CHAN_SEL_OFFSET(offset)); + + /* DAI clock master masks */ + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + /* BCLK and LRCLK master */ + val = SUN8I_I2S_CTRL_BCLK_OUT | SUN8I_I2S_CTRL_LRCK_OUT; + break; + + case SND_SOC_DAIFMT_CBM_CFM: + /* BCLK and LRCLK slave */ + val = 0; + break; + + default: + return -EINVAL; + } + + regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG, + SUN8I_I2S_CTRL_BCLK_OUT | SUN8I_I2S_CTRL_LRCK_OUT, + val); + + return 0; +} + static int sun4i_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai); @@ -979,6 +1152,22 @@ static const struct reg_default sun8i_i2s_reg_defaults[] = { { SUN8I_I2S_RX_CHAN_MAP_REG, 0x00000000 }, }; +static const struct reg_default sun50i_h6_i2s_reg_defaults[] = { + { SUN4I_I2S_CTRL_REG, 0x00060000 }, + { SUN4I_I2S_FMT0_REG, 0x00000033 }, + { SUN4I_I2S_FMT1_REG, 0x00000030 }, + { SUN4I_I2S_FIFO_CTRL_REG, 0x000400f0 }, + { SUN4I_I2S_DMA_INT_CTRL_REG, 0x00000000 }, + { SUN4I_I2S_CLK_DIV_REG, 0x00000000 }, + { SUN8I_I2S_CHAN_CFG_REG, 0x00000000 }, + { SUN8I_I2S_TX_CHAN_SEL_REG, 0x00000000 }, + { SUN50I_H6_I2S_TX_CHAN_MAP0_REG, 0x00000000 }, + { SUN50I_H6_I2S_TX_CHAN_MAP1_REG, 0x00000000 }, + { SUN50I_H6_I2S_RX_CHAN_SEL_REG, 0x00000000 }, + { SUN50I_H6_I2S_RX_CHAN_MAP0_REG, 0x00000000 }, + { SUN50I_H6_I2S_RX_CHAN_MAP1_REG, 0x00000000 }, +}; + static const struct regmap_config sun4i_i2s_regmap_config = { .reg_bits = 32, .reg_stride = 4, @@ -1006,6 +1195,19 @@ static const struct regmap_config sun8i_i2s_regmap_config = { .volatile_reg = sun8i_i2s_volatile_reg, }; +static const struct regmap_config sun50i_h6_i2s_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = SUN50I_H6_I2S_RX_CHAN_MAP1_REG, + .cache_type = REGCACHE_FLAT, + .reg_defaults = sun50i_h6_i2s_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(sun50i_h6_i2s_reg_defaults), + .writeable_reg = sun4i_i2s_wr_reg, + .readable_reg = sun8i_i2s_rd_reg, + .volatile_reg = sun8i_i2s_volatile_reg, +}; + static int sun4i_i2s_runtime_resume(struct device *dev) { struct sun4i_i2s *i2s = dev_get_drvdata(dev); @@ -1164,6 +1366,24 @@ static const struct sun4i_i2s_quirks sun50i_a64_codec_i2s_quirks = { .set_fmt = sun4i_i2s_set_soc_fmt, }; +static const struct sun4i_i2s_quirks sun50i_h6_i2s_quirks = { + .has_reset = true, + .reg_offset_txdata = SUN8I_I2S_FIFO_TX_REG, + .sun4i_i2s_regmap = &sun50i_h6_i2s_regmap_config, + .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), + .bclk_dividers = sun8i_i2s_clk_div, + .num_bclk_dividers = ARRAY_SIZE(sun8i_i2s_clk_div), + .mclk_dividers = sun8i_i2s_clk_div, + .num_mclk_dividers = ARRAY_SIZE(sun8i_i2s_clk_div), + .get_bclk_parent_rate = sun8i_i2s_get_bclk_parent_rate, + .get_sr = sun8i_i2s_get_sr_wss, + .get_wss = sun8i_i2s_get_sr_wss, + .set_chan_cfg = sun50i_h6_i2s_set_chan_cfg, + .set_fmt = sun50i_h6_i2s_set_soc_fmt, +}; + static int sun4i_i2s_init_regmap_fields(struct device *dev, struct sun4i_i2s *i2s) { @@ -1333,6 +1553,10 @@ static const struct of_device_id sun4i_i2s_match[] = { .compatible = "allwinner,sun50i-a64-codec-i2s", .data = &sun50i_a64_codec_i2s_quirks, }, + { + .compatible = "allwinner,sun50i-h6-i2s", + .data = &sun50i_h6_i2s_quirks, + }, {} }; MODULE_DEVICE_TABLE(of, sun4i_i2s_match);