From patchwork Tue Oct 29 09:17:09 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 11217489 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 30F1814DB for ; Tue, 29 Oct 2019 09:22:35 +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 B29D820830 for ; Tue, 29 Oct 2019 09:22:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="UBEJu3Vt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B29D820830 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.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 DFB0721F2; Tue, 29 Oct 2019 10:21:42 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz DFB0721F2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1572340953; bh=OrJnCjzikRnRDdJGI8R3pOHGEE1VaY/LqtH25WmuoM4=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=UBEJu3VtyzD8BSwmkm7FmiKYu4htKL6/BQIr9D2resYnREE475gW+v8X+m1IOmKa8 Il4uw5680hajwiecpUhKxC/aVzG5lLOz7JavdGq8wgN2AZr6YFAGpjygsI2oHMWJqJ Uj+kObic/57jU1w0HWF75ZwVmVRsg9fWSXwuQWcQ= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id AC7B1F8044B; Tue, 29 Oct 2019 10:20:53 +0100 (CET) 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 25F76F80534; Tue, 29 Oct 2019 10:20:52 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id BB9BCF8044B for ; Tue, 29 Oct 2019 10:20:48 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz BB9BCF8044B Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 7BEDD200851; Tue, 29 Oct 2019 10:20:48 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id F1D60200847; Tue, 29 Oct 2019 10:20:41 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 4D476402C4; Tue, 29 Oct 2019 17:20:34 +0800 (SGT) From: Shengjiu Wang To: timur@kernel.org, nicoleotsuka@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, broonie@kernel.org, alsa-devel@alsa-project.org, lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, robh+dt@kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org Date: Tue, 29 Oct 2019 17:17:09 +0800 Message-Id: <1572340629-20702-2-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1572340629-20702-1-git-send-email-shengjiu.wang@nxp.com> References: <1572340629-20702-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [alsa-devel] [PATCH 2/2] ASoC: fsl_asrc: Add support for imx8qm 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: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" There are two asrc module in imx8qm, each module has different clock configuration, and the DMA type is EDMA. So in this patch, we define the new clocks, refine the clock map, and include struct fsl_asrc_soc_data for different soc usage. The EDMA channel is fixed with each dma request, one dma request corresponding to one dma channel. So we need to request dma channel with dma request of asrc module. Signed-off-by: Shengjiu Wang --- sound/soc/fsl/fsl_asrc.c | 91 +++++++++++++++++++++++++++++------- sound/soc/fsl/fsl_asrc.h | 65 +++++++++++++++++++++++++- sound/soc/fsl/fsl_asrc_dma.c | 39 ++++++++++++---- 3 files changed, 167 insertions(+), 28 deletions(-) diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index a3cfceea7d2f..9dc5b5a93fb0 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -43,24 +43,55 @@ static struct snd_pcm_hw_constraint_list fsl_asrc_rate_constraints = { */ static unsigned char input_clk_map_imx35[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, }; static unsigned char output_clk_map_imx35[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, }; /* i.MX53 uses the same map for input and output */ static unsigned char input_clk_map_imx53[] = { /* 0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7 0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf */ 0x0, 0x1, 0x2, 0x7, 0x4, 0x5, 0x6, 0x3, 0x8, 0x9, 0xa, 0xb, 0xc, 0xf, 0xe, 0xd, + 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, + 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, }; static unsigned char output_clk_map_imx53[] = { /* 0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7 0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf */ 0x8, 0x9, 0xa, 0x7, 0xc, 0x5, 0x6, 0xb, 0x0, 0x1, 0x2, 0x3, 0x4, 0xf, 0xe, 0xd, + 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, + 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, }; -static unsigned char *clk_map[2]; +/* i.MX8QM uses the same map for input and output */ +static unsigned char input_clk_map_imx8_0[] = { + 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0x0, + 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, + 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, +}; + +static unsigned char output_clk_map_imx8_0[] = { + 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0x0, + 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, + 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, +}; + +static unsigned char input_clk_map_imx8_1[] = { + 0xf, 0xf, 0xf, 0xf, 0xf, 0x7, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0x0, + 0x0, 0x1, 0x2, 0x3, 0xb, 0xc, 0xf, 0xf, 0xd, 0xe, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, + 0x4, 0x5, 0x6, 0xf, 0x8, 0x9, 0xa, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, +}; + +static unsigned char output_clk_map_imx8_1[] = { + 0xf, 0xf, 0xf, 0xf, 0xf, 0x7, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0x0, + 0x0, 0x1, 0x2, 0x3, 0xb, 0xc, 0xf, 0xf, 0xd, 0xe, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, + 0x4, 0x5, 0x6, 0xf, 0x8, 0x9, 0xa, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, 0xf, +}; /** * Select the pre-processing and post-processing options @@ -353,8 +384,8 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair, bool use_ideal_rate) } /* Validate input and output clock sources */ - clk_index[IN] = clk_map[IN][config->inclk]; - clk_index[OUT] = clk_map[OUT][config->outclk]; + clk_index[IN] = asrc_priv->soc->inclk_map[config->inclk]; + clk_index[OUT] = asrc_priv->soc->outclk_map[config->outclk]; /* We only have output clock for ideal ratio mode */ clk = asrc_priv->asrck_clk[clk_index[ideal ? OUT : IN]]; @@ -398,13 +429,13 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair, bool use_ideal_rate) /* Set the channel number */ channels = config->channel_num; - if (asrc_priv->channel_bits < 4) + if (asrc_priv->soc->channel_bits < 4) channels /= 2; /* Update channels for current pair */ regmap_update_bits(asrc_priv->regmap, REG_ASRCNCR, - ASRCNCR_ANCi_MASK(index, asrc_priv->channel_bits), - ASRCNCR_ANCi(index, channels, asrc_priv->channel_bits)); + ASRCNCR_ANCi_MASK(index, asrc_priv->soc->channel_bits), + ASRCNCR_ANCi(index, channels, asrc_priv->soc->channel_bits)); /* Default setting: Automatic selection for processing mode */ regmap_update_bits(asrc_priv->regmap, REG_ASRCTR, @@ -531,7 +562,7 @@ static int fsl_asrc_dai_startup(struct snd_pcm_substream *substream, struct fsl_asrc *asrc_priv = snd_soc_dai_get_drvdata(dai); /* Odd channel number is not valid for older ASRC (channel_bits==3) */ - if (asrc_priv->channel_bits == 3) + if (asrc_priv->soc->channel_bits == 3) snd_pcm_hw_constraint_step(substream->runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2); @@ -964,14 +995,10 @@ static int fsl_asrc_probe(struct platform_device *pdev) } } - if (of_device_is_compatible(np, "fsl,imx35-asrc")) { - asrc_priv->channel_bits = 3; - clk_map[IN] = input_clk_map_imx35; - clk_map[OUT] = output_clk_map_imx35; - } else { - asrc_priv->channel_bits = 4; - clk_map[IN] = input_clk_map_imx53; - clk_map[OUT] = output_clk_map_imx53; + asrc_priv->soc = of_device_get_match_data(&pdev->dev); + if (!asrc_priv->soc) { + dev_err(&pdev->dev, "failed to get soc data\n"); + return -ENODEV; } ret = fsl_asrc_init(asrc_priv); @@ -1113,9 +1140,39 @@ static const struct dev_pm_ops fsl_asrc_pm = { SET_SYSTEM_SLEEP_PM_OPS(fsl_asrc_suspend, fsl_asrc_resume) }; +static const struct fsl_asrc_soc_data fsl_asrc_imx35_data = { + .use_edma = false, + .channel_bits = 3, + .inclk_map = input_clk_map_imx35, + .outclk_map = output_clk_map_imx35, +}; + +static const struct fsl_asrc_soc_data fsl_asrc_imx53_data = { + .use_edma = false, + .channel_bits = 4, + .inclk_map = input_clk_map_imx53, + .outclk_map = output_clk_map_imx53, +}; + +static const struct fsl_asrc_soc_data fsl_asrc_imx8qm_0_data = { + .use_edma = true, + .channel_bits = 4, + .inclk_map = input_clk_map_imx8_0, + .outclk_map = output_clk_map_imx8_0, +}; + +static const struct fsl_asrc_soc_data fsl_asrc_imx8qm_1_data = { + .use_edma = true, + .channel_bits = 4, + .inclk_map = input_clk_map_imx8_1, + .outclk_map = output_clk_map_imx8_1, +}; + static const struct of_device_id fsl_asrc_ids[] = { - { .compatible = "fsl,imx35-asrc", }, - { .compatible = "fsl,imx53-asrc", }, + { .compatible = "fsl,imx35-asrc", .data = &fsl_asrc_imx35_data }, + { .compatible = "fsl,imx53-asrc", .data = &fsl_asrc_imx53_data }, + { .compatible = "fsl,imx8qm-asrc0", .data = &fsl_asrc_imx8qm_0_data }, + { .compatible = "fsl,imx8qm-asrc1", .data = &fsl_asrc_imx8qm_1_data }, {} }; MODULE_DEVICE_TABLE(of, fsl_asrc_ids); diff --git a/sound/soc/fsl/fsl_asrc.h b/sound/soc/fsl/fsl_asrc.h index 2b57e8c53728..8decbe670c3e 100644 --- a/sound/soc/fsl/fsl_asrc.h +++ b/sound/soc/fsl/fsl_asrc.h @@ -308,6 +308,29 @@ enum asrc_inclk { INCLK_SSI3_TX = 0x0b, INCLK_SPDIF_TX = 0x0c, INCLK_ASRCK1_CLK = 0x0f, + + /* clocks for imx8 */ + INCLK_AUD_PLL_DIV_CLK0 = 0x10, + INCLK_AUD_PLL_DIV_CLK1 = 0x11, + INCLK_AUD_CLK0 = 0x12, + INCLK_AUD_CLK1 = 0x13, + INCLK_ESAI0_RX_CLK = 0x14, + INCLK_ESAI0_TX_CLK = 0x15, + INCLK_SPDIF0_RX = 0x16, + INCLK_SPDIF1_RX = 0x17, + INCLK_SAI0_RX_BCLK = 0x18, + INCLK_SAI0_TX_BCLK = 0x19, + INCLK_SAI1_RX_BCLK = 0x1a, + INCLK_SAI1_TX_BCLK = 0x1b, + INCLK_SAI2_RX_BCLK = 0x1c, + INCLK_SAI3_RX_BCLK = 0x1d, + INCLK_ASRC0_MUX_CLK = 0x1e, + + INCLK_ESAI1_RX_CLK = 0x20, + INCLK_ESAI1_TX_CLK = 0x21, + INCLK_SAI6_TX_BCLK = 0x22, + INCLK_HDMI_RX_SAI0_RX_BCLK = 0x24, + INCLK_HDMI_TX_SAI0_TX_BCLK = 0x25, }; enum asrc_outclk { @@ -325,6 +348,29 @@ enum asrc_outclk { OUTCLK_SSI3_RX = 0x0b, OUTCLK_SPDIF_RX = 0x0c, OUTCLK_ASRCK1_CLK = 0x0f, + + /* clocks for imx8 */ + OUTCLK_AUD_PLL_DIV_CLK0 = 0x10, + OUTCLK_AUD_PLL_DIV_CLK1 = 0x11, + OUTCLK_AUD_CLK0 = 0x12, + OUTCLK_AUD_CLK1 = 0x13, + OUTCLK_ESAI0_RX_CLK = 0x14, + OUTCLK_ESAI0_TX_CLK = 0x15, + OUTCLK_SPDIF0_RX = 0x16, + OUTCLK_SPDIF1_RX = 0x17, + OUTCLK_SAI0_RX_BCLK = 0x18, + OUTCLK_SAI0_TX_BCLK = 0x19, + OUTCLK_SAI1_RX_BCLK = 0x1a, + OUTCLK_SAI1_TX_BCLK = 0x1b, + OUTCLK_SAI2_RX_BCLK = 0x1c, + OUTCLK_SAI3_RX_BCLK = 0x1d, + OUTCLK_ASRCO_MUX_CLK = 0x1e, + + OUTCLK_ESAI1_RX_CLK = 0x20, + OUTCLK_ESAI1_TX_CLK = 0x21, + OUTCLK_SAI6_TX_BCLK = 0x22, + OUTCLK_HDMI_RX_SAI0_RX_BCLK = 0x24, + OUTCLK_HDMI_TX_SAI0_TX_BCLK = 0x25, }; #define ASRC_CLK_MAX_NUM 16 @@ -387,6 +433,21 @@ struct dma_block { unsigned int length; }; +/** + * fsl_asrc_soc_data: soc specific data + * + * @use_edma: using edma as dma device or not + * @channel_bits: width of ASRCNCR register for each pair + * @inclk_map: clock map for input clock + * @outclk_map: clock map for output clock + */ +struct fsl_asrc_soc_data { + bool use_edma; + unsigned int channel_bits; + unsigned char *inclk_map; + unsigned char *outclk_map; +}; + /** * fsl_asrc_pair: ASRC Pair private data * @@ -431,7 +492,7 @@ struct fsl_asrc_pair { * @asrck_clk: clock sources to driver ASRC internal logic * @lock: spin lock for resource protection * @pair: pair pointers - * @channel_bits: width of ASRCNCR register for each pair + * @soc: soc specific data * @channel_avail: non-occupied channel numbers * @asrc_rate: default sample rate for ASoC Back-Ends * @asrc_width: default sample width for ASoC Back-Ends @@ -450,7 +511,7 @@ struct fsl_asrc { spinlock_t lock; struct fsl_asrc_pair *pair[ASRC_PAIR_MAX_NUM]; - unsigned int channel_bits; + const struct fsl_asrc_soc_data *soc; unsigned int channel_avail; int asrc_rate; diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c index d6146de9acd2..dbb07a486504 100644 --- a/sound/soc/fsl/fsl_asrc_dma.c +++ b/sound/soc/fsl/fsl_asrc_dma.c @@ -199,19 +199,40 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, /* Get DMA request of Back-End */ tmp_chan = dma_request_slave_channel(dev_be, tx ? "tx" : "rx"); - tmp_data = tmp_chan->private; - pair->dma_data.dma_request = tmp_data->dma_request; - dma_release_channel(tmp_chan); + /* tmp_chan may be NULL for it is already allocated by Back-End */ + if (tmp_chan) { + tmp_data = tmp_chan->private; + if (tmp_data) + pair->dma_data.dma_request = tmp_data->dma_request; + dma_release_channel(tmp_chan); + } /* Get DMA request of Front-End */ tmp_chan = fsl_asrc_get_dma_channel(pair, dir); - tmp_data = tmp_chan->private; - pair->dma_data.dma_request2 = tmp_data->dma_request; - pair->dma_data.peripheral_type = tmp_data->peripheral_type; - pair->dma_data.priority = tmp_data->priority; - dma_release_channel(tmp_chan); + if (tmp_chan) { + tmp_data = tmp_chan->private; + if (tmp_data) { + pair->dma_data.dma_request2 = tmp_data->dma_request; + pair->dma_data.peripheral_type = + tmp_data->peripheral_type; + pair->dma_data.priority = tmp_data->priority; + } + dma_release_channel(tmp_chan); + } - pair->dma_chan[dir] = dma_request_channel(mask, filter, &pair->dma_data); + /* + * For SDMA DEV_TO_DEV channel, we need to configure two dma requests, + * one is from Front-End, another is from Back-End. + * But for EDMA DEV_TO_DEV channel, only one dma request is needed. + * The EDMA channel of Back-End is already allocated, we can only + * get EDMA channel from Front-End. + */ + if (asrc_priv->soc->use_edma) + pair->dma_chan[dir] = + fsl_asrc_get_dma_channel(pair, dir); + else + pair->dma_chan[dir] = + dma_request_channel(mask, filter, &pair->dma_data); if (!pair->dma_chan[dir]) { dev_err(dev, "failed to request DMA channel for Back-End\n"); return -EINVAL;