From patchwork Wed Apr 1 08:45:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 11468793 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 E149C14DD for ; Wed, 1 Apr 2020 08:56:38 +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 76CF12078B for ; Wed, 1 Apr 2020 08:56:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="W6kRIiap" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 76CF12078B 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 CA8311666; Wed, 1 Apr 2020 10:55:51 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz CA8311666 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1585731396; bh=8l5EOeCCCK0JBzKKKvVZWDEzwOX7SsNozE7N6hi6QM8=; h=From:To:Subject:Date:In-Reply-To:References:In-Reply-To: References:Cc:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From; b=W6kRIiapJmlpphQbhwo2tYOG+nGDQHEJnaU9azBuvDgH6dbhKQEqNPohR91MP+2lN i/9dF61XsI6qaSwgobn91bJEXMnm3OgO49NZMIjKgl4apg9kHxQbBW/Q3Ai+SuGryo E9YmgzOU7vqieu00E9WsZjBEy0YNUV+M0Frf6VAM= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id CBF75F8010D; Wed, 1 Apr 2020 10:53:36 +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 6078AF802A9; Wed, 1 Apr 2020 10:53:33 +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=0.0 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 9BB33F8010D for ; Wed, 1 Apr 2020 10:53:24 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 9BB33F8010D Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id E23CB200CD7; Wed, 1 Apr 2020 10:53:23 +0200 (CEST) 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 4716C200CEA; Wed, 1 Apr 2020 10:53:16 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id E7D48402E0; Wed, 1 Apr 2020 16:53:07 +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 Subject: [PATCH v6 5/7] ASoC: fsl_asrc: Move common definition to fsl_asrc_common Date: Wed, 1 Apr 2020 16:45:38 +0800 Message-Id: <93531963f028aabf9176173de3c6038a200acb89.1585726761.git.shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: X-Virus-Scanned: ClamAV using ClamSMTP Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.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" There is a new ASRC included in i.MX serial platform, there are some common definition can be shared with each other. So move the common definition to a separate header file. And add fsl_asrc_pair_priv and fsl_asrc_priv for the variable specific for the module, which can be used internally. Signed-off-by: Shengjiu Wang --- sound/soc/fsl/fsl_asrc.c | 81 +++++++++++++++--------- sound/soc/fsl/fsl_asrc.h | 74 ++-------------------- sound/soc/fsl/fsl_asrc_common.h | 105 ++++++++++++++++++++++++++++++++ sound/soc/fsl/fsl_asrc_dma.c | 25 ++++---- 4 files changed, 176 insertions(+), 109 deletions(-) create mode 100644 sound/soc/fsl/fsl_asrc_common.h diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index eea19e2b723b..d0b554e818fd 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -308,8 +308,10 @@ static int fsl_asrc_set_ideal_ratio(struct fsl_asrc_pair *pair, */ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair, bool use_ideal_rate) { - struct asrc_config *config = pair->config; + struct fsl_asrc_pair_priv *pair_priv = pair->private; + struct asrc_config *config = pair_priv->config; struct fsl_asrc *asrc = pair->asrc; + struct fsl_asrc_priv *asrc_priv = asrc->private; enum asrc_pair_index index = pair->index; enum asrc_word_width input_word_width; enum asrc_word_width output_word_width; @@ -392,11 +394,11 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair, bool use_ideal_rate) } /* Validate input and output clock sources */ - clk_index[IN] = asrc->clk_map[IN][config->inclk]; - clk_index[OUT] = asrc->clk_map[OUT][config->outclk]; + clk_index[IN] = asrc_priv->clk_map[IN][config->inclk]; + clk_index[OUT] = asrc_priv->clk_map[OUT][config->outclk]; /* We only have output clock for ideal ratio mode */ - clk = asrc->asrck_clk[clk_index[ideal ? OUT : IN]]; + clk = asrc_priv->asrck_clk[clk_index[ideal ? OUT : IN]]; clk_rate = clk_get_rate(clk); rem[IN] = do_div(clk_rate, inrate); @@ -417,7 +419,7 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair, bool use_ideal_rate) div[IN] = min_t(u32, 1024, div[IN]); - clk = asrc->asrck_clk[clk_index[OUT]]; + clk = asrc_priv->asrck_clk[clk_index[OUT]]; clk_rate = clk_get_rate(clk); if (ideal && use_ideal_rate) rem[OUT] = do_div(clk_rate, IDEAL_RATIO_RATE); @@ -437,13 +439,13 @@ 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->soc->channel_bits < 4) + if (asrc_priv->soc->channel_bits < 4) channels /= 2; /* Update channels for current pair */ regmap_update_bits(asrc->regmap, REG_ASRCNCR, - ASRCNCR_ANCi_MASK(index, asrc->soc->channel_bits), - ASRCNCR_ANCi(index, channels, asrc->soc->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->regmap, REG_ASRCTR, @@ -568,9 +570,10 @@ static int fsl_asrc_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct fsl_asrc *asrc = snd_soc_dai_get_drvdata(dai); + struct fsl_asrc_priv *asrc_priv = asrc->private; /* Odd channel number is not valid for older ASRC (channel_bits==3) */ - if (asrc->soc->channel_bits == 3) + if (asrc_priv->soc->channel_bits == 3) snd_pcm_hw_constraint_step(substream->runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 2); @@ -586,6 +589,7 @@ static int fsl_asrc_dai_hw_params(struct snd_pcm_substream *substream, struct fsl_asrc *asrc = snd_soc_dai_get_drvdata(dai); struct snd_pcm_runtime *runtime = substream->runtime; struct fsl_asrc_pair *pair = runtime->private_data; + struct fsl_asrc_pair_priv *pair_priv = pair->private; unsigned int channels = params_channels(params); unsigned int rate = params_rate(params); struct asrc_config config; @@ -597,7 +601,7 @@ static int fsl_asrc_dai_hw_params(struct snd_pcm_substream *substream, return ret; } - pair->config = &config; + pair_priv->config = &config; config.pair = pair->index; config.channel_num = channels; @@ -931,10 +935,16 @@ static irqreturn_t fsl_asrc_isr(int irq, void *dev_id) return IRQ_HANDLED; } +static int fsl_asrc_get_fifo_addr(u8 dir, enum asrc_pair_index index) +{ + return REG_ASRDx(dir, index); +} + static int fsl_asrc_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct fsl_asrc *asrc; + struct fsl_asrc_priv *asrc_priv; struct resource *res; void __iomem *regs; int irq, ret, i; @@ -946,7 +956,12 @@ static int fsl_asrc_probe(struct platform_device *pdev) if (!asrc) return -ENOMEM; + asrc_priv = devm_kzalloc(&pdev->dev, sizeof(*asrc_priv), GFP_KERNEL); + if (!asrc_priv) + return -ENOMEM; + asrc->pdev = pdev; + asrc->private = asrc_priv; /* Get the addresses and IRQ */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -992,25 +1007,31 @@ static int fsl_asrc_probe(struct platform_device *pdev) for (i = 0; i < ASRC_CLK_MAX_NUM; i++) { sprintf(tmp, "asrck_%x", i); - asrc->asrck_clk[i] = devm_clk_get(&pdev->dev, tmp); - if (IS_ERR(asrc->asrck_clk[i])) { + asrc_priv->asrck_clk[i] = devm_clk_get(&pdev->dev, tmp); + if (IS_ERR(asrc_priv->asrck_clk[i])) { dev_err(&pdev->dev, "failed to get %s clock\n", tmp); - return PTR_ERR(asrc->asrck_clk[i]); + return PTR_ERR(asrc_priv->asrck_clk[i]); } } - asrc->soc = of_device_get_match_data(&pdev->dev); - if (!asrc->soc) { + 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; } + asrc->use_edma = asrc_priv->soc->use_edma; + asrc->get_dma_channel = fsl_asrc_get_dma_channel; + asrc->request_pair = fsl_asrc_request_pair; + asrc->release_pair = fsl_asrc_release_pair; + asrc->get_fifo_addr = fsl_asrc_get_fifo_addr; + if (of_device_is_compatible(np, "fsl,imx35-asrc")) { - asrc->clk_map[IN] = input_clk_map_imx35; - asrc->clk_map[OUT] = output_clk_map_imx35; + asrc_priv->clk_map[IN] = input_clk_map_imx35; + asrc_priv->clk_map[OUT] = output_clk_map_imx35; } else if (of_device_is_compatible(np, "fsl,imx53-asrc")) { - asrc->clk_map[IN] = input_clk_map_imx53; - asrc->clk_map[OUT] = output_clk_map_imx53; + asrc_priv->clk_map[IN] = input_clk_map_imx53; + asrc_priv->clk_map[OUT] = output_clk_map_imx53; } else if (of_device_is_compatible(np, "fsl,imx8qm-asrc") || of_device_is_compatible(np, "fsl,imx8qxp-asrc")) { ret = of_property_read_u32(np, "fsl,asrc-clk-map", &map_idx); @@ -1024,11 +1045,11 @@ static int fsl_asrc_probe(struct platform_device *pdev) return -EINVAL; } if (of_device_is_compatible(np, "fsl,imx8qm-asrc")) { - asrc->clk_map[IN] = clk_map_imx8qm[map_idx]; - asrc->clk_map[OUT] = clk_map_imx8qm[map_idx]; + asrc_priv->clk_map[IN] = clk_map_imx8qm[map_idx]; + asrc_priv->clk_map[OUT] = clk_map_imx8qm[map_idx]; } else { - asrc->clk_map[IN] = clk_map_imx8qxp[map_idx]; - asrc->clk_map[OUT] = clk_map_imx8qxp[map_idx]; + asrc_priv->clk_map[IN] = clk_map_imx8qxp[map_idx]; + asrc_priv->clk_map[OUT] = clk_map_imx8qxp[map_idx]; } } @@ -1092,6 +1113,7 @@ static int fsl_asrc_probe(struct platform_device *pdev) static int fsl_asrc_runtime_resume(struct device *dev) { struct fsl_asrc *asrc = dev_get_drvdata(dev); + struct fsl_asrc_priv *asrc_priv = asrc->private; int i, ret; ret = clk_prepare_enable(asrc->mem_clk); @@ -1106,7 +1128,7 @@ static int fsl_asrc_runtime_resume(struct device *dev) goto disable_ipg_clk; } for (i = 0; i < ASRC_CLK_MAX_NUM; i++) { - ret = clk_prepare_enable(asrc->asrck_clk[i]); + ret = clk_prepare_enable(asrc_priv->asrck_clk[i]); if (ret) goto disable_asrck_clk; } @@ -1115,7 +1137,7 @@ static int fsl_asrc_runtime_resume(struct device *dev) disable_asrck_clk: for (i--; i >= 0; i--) - clk_disable_unprepare(asrc->asrck_clk[i]); + clk_disable_unprepare(asrc_priv->asrck_clk[i]); if (!IS_ERR(asrc->spba_clk)) clk_disable_unprepare(asrc->spba_clk); disable_ipg_clk: @@ -1128,10 +1150,11 @@ static int fsl_asrc_runtime_resume(struct device *dev) static int fsl_asrc_runtime_suspend(struct device *dev) { struct fsl_asrc *asrc = dev_get_drvdata(dev); + struct fsl_asrc_priv *asrc_priv = asrc->private; int i; for (i = 0; i < ASRC_CLK_MAX_NUM; i++) - clk_disable_unprepare(asrc->asrck_clk[i]); + clk_disable_unprepare(asrc_priv->asrck_clk[i]); if (!IS_ERR(asrc->spba_clk)) clk_disable_unprepare(asrc->spba_clk); clk_disable_unprepare(asrc->ipg_clk); @@ -1145,9 +1168,10 @@ static int fsl_asrc_runtime_suspend(struct device *dev) static int fsl_asrc_suspend(struct device *dev) { struct fsl_asrc *asrc = dev_get_drvdata(dev); + struct fsl_asrc_priv *asrc_priv = asrc->private; regmap_read(asrc->regmap, REG_ASRCFG, - &asrc->regcache_cfg); + &asrc_priv->regcache_cfg); regcache_cache_only(asrc->regmap, true); regcache_mark_dirty(asrc->regmap); @@ -1158,6 +1182,7 @@ static int fsl_asrc_suspend(struct device *dev) static int fsl_asrc_resume(struct device *dev) { struct fsl_asrc *asrc = dev_get_drvdata(dev); + struct fsl_asrc_priv *asrc_priv = asrc->private; u32 asrctr; /* Stop all pairs provisionally */ @@ -1171,7 +1196,7 @@ static int fsl_asrc_resume(struct device *dev) regmap_update_bits(asrc->regmap, REG_ASRCFG, ASRCFG_NDPRi_ALL_MASK | ASRCFG_POSTMODi_ALL_MASK | - ASRCFG_PREMODi_ALL_MASK, asrc->regcache_cfg); + ASRCFG_PREMODi_ALL_MASK, asrc_priv->regcache_cfg); /* Restart enabled pairs */ regmap_update_bits(asrc->regmap, REG_ASRCTR, diff --git a/sound/soc/fsl/fsl_asrc.h b/sound/soc/fsl/fsl_asrc.h index 3b0f156af2c3..86d2422ad606 100644 --- a/sound/soc/fsl/fsl_asrc.h +++ b/sound/soc/fsl/fsl_asrc.h @@ -10,8 +10,7 @@ #ifndef _FSL_ASRC_H #define _FSL_ASRC_H -#define IN 0 -#define OUT 1 +#include "fsl_asrc_common.h" #define ASRC_DMA_BUFFER_NUM 2 #define ASRC_INPUTFIFO_THRESHOLD 32 @@ -283,14 +282,6 @@ #define ASRMCR1i_OW16_MASK (1 << ASRMCR1i_OW16_SHIFT) #define ASRMCR1i_OW16(v) ((v) << ASRMCR1i_OW16_SHIFT) - -enum asrc_pair_index { - ASRC_INVALID_PAIR = -1, - ASRC_PAIR_A = 0, - ASRC_PAIR_B = 1, - ASRC_PAIR_C = 2, -}; - #define ASRC_PAIR_MAX_NUM (ASRC_PAIR_C + 1) enum asrc_inclk { @@ -446,83 +437,28 @@ struct fsl_asrc_soc_data { }; /** - * fsl_asrc_pair: ASRC Pair private data + * fsl_asrc_pair_priv: ASRC Pair private data * - * @asrc: pointer to its parent module * @config: configuration profile - * @error: error record - * @index: pair index (ASRC_PAIR_A, ASRC_PAIR_B, ASRC_PAIR_C) - * @channels: occupied channel number - * @desc: input and output dma descriptors - * @dma_chan: inputer and output DMA channels - * @dma_data: private dma data - * @pos: hardware pointer position - * @private: pair private area */ -struct fsl_asrc_pair { - struct fsl_asrc *asrc; +struct fsl_asrc_pair_priv { struct asrc_config *config; - unsigned int error; - - enum asrc_pair_index index; - unsigned int channels; - - struct dma_async_tx_descriptor *desc[2]; - struct dma_chan *dma_chan[2]; - struct imx_dma_data dma_data; - unsigned int pos; - - void *private; }; /** - * fsl_asrc_pair: ASRC private data + * fsl_asrc_priv: ASRC private data * - * @dma_params_rx: DMA parameters for receive channel - * @dma_params_tx: DMA parameters for transmit channel - * @pdev: platform device pointer - * @regmap: regmap handler - * @paddr: physical address to the base address of registers - * @mem_clk: clock source to access register - * @ipg_clk: clock source to drive peripheral - * @spba_clk: SPBA clock (optional, depending on SoC design) * @asrck_clk: clock sources to driver ASRC internal logic - * @lock: spin lock for resource protection - * @pair: pair pointers * @soc: soc specific data - * @channel_avail: non-occupied channel numbers * @clk_map: clock map for input/output clock - * @asrc_rate: default sample rate for ASoC Back-Ends - * @asrc_format: default sample format for ASoC Back-Ends * @regcache_cfg: store register value of REG_ASRCFG */ -struct fsl_asrc { - struct snd_dmaengine_dai_dma_data dma_params_rx; - struct snd_dmaengine_dai_dma_data dma_params_tx; - struct platform_device *pdev; - struct regmap *regmap; - unsigned long paddr; - struct clk *mem_clk; - struct clk *ipg_clk; - struct clk *spba_clk; +struct fsl_asrc_priv { struct clk *asrck_clk[ASRC_CLK_MAX_NUM]; - spinlock_t lock; - - struct fsl_asrc_pair *pair[ASRC_PAIR_MAX_NUM]; const struct fsl_asrc_soc_data *soc; - unsigned int channel_avail; unsigned char *clk_map[2]; - int asrc_rate; - snd_pcm_format_t asrc_format; - u32 regcache_cfg; }; -#define DRV_NAME "fsl-asrc-dai" -extern struct snd_soc_component_driver fsl_asrc_component; -struct dma_chan *fsl_asrc_get_dma_channel(struct fsl_asrc_pair *pair, bool dir); -int fsl_asrc_request_pair(int channels, struct fsl_asrc_pair *pair); -void fsl_asrc_release_pair(struct fsl_asrc_pair *pair); - #endif /* _FSL_ASRC_H */ diff --git a/sound/soc/fsl/fsl_asrc_common.h b/sound/soc/fsl/fsl_asrc_common.h new file mode 100644 index 000000000000..5c93ccdfc30a --- /dev/null +++ b/sound/soc/fsl/fsl_asrc_common.h @@ -0,0 +1,105 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2019 NXP + * + */ + +#ifndef _FSL_ASRC_COMMON_H +#define _FSL_ASRC_COMMON_H + +/* directions */ +#define IN 0 +#define OUT 1 + +enum asrc_pair_index { + ASRC_INVALID_PAIR = -1, + ASRC_PAIR_A = 0, + ASRC_PAIR_B = 1, + ASRC_PAIR_C = 2, + ASRC_PAIR_D = 3, +}; + +#define PAIR_CTX_NUM 0x4 +#define PAIR_PRIVAT_SIZE 0x400 + +/** + * fsl_asrc_pair: ASRC Pair common data + * + * @asrc: pointer to its parent module + * @error: error record + * @index: pair index (ASRC_PAIR_A, ASRC_PAIR_B, ASRC_PAIR_C) + * @channels: occupied channel number + * @desc: input and output dma descriptors + * @dma_chan: inputer and output DMA channels + * @dma_data: private dma data + * @pos: hardware pointer position + * @private: pair private area + */ +struct fsl_asrc_pair { + struct fsl_asrc *asrc; + unsigned int error; + + enum asrc_pair_index index; + unsigned int channels; + + struct dma_async_tx_descriptor *desc[2]; + struct dma_chan *dma_chan[2]; + struct imx_dma_data dma_data; + unsigned int pos; + + void *private; +}; + +/** + * fsl_asrc_pair: ASRC common data + * + * @dma_params_rx: DMA parameters for receive channel + * @dma_params_tx: DMA parameters for transmit channel + * @pdev: platform device pointer + * @regmap: regmap handler + * @paddr: physical address to the base address of registers + * @mem_clk: clock source to access register + * @ipg_clk: clock source to drive peripheral + * @spba_clk: SPBA clock (optional, depending on SoC design) + * @lock: spin lock for resource protection + * @pair: pair pointers + * @channel_avail: non-occupied channel numbers + * @asrc_rate: default sample rate for ASoC Back-Ends + * @asrc_format: default sample format for ASoC Back-Ends + * @use_edma: edma is used + * @get_dma_channel: function pointer + * @request_pair: function pointer + * @release_pair: function pointer + * @get_fifo_addr: function pointer + * @private: private data structure + */ +struct fsl_asrc { + struct snd_dmaengine_dai_dma_data dma_params_rx; + struct snd_dmaengine_dai_dma_data dma_params_tx; + struct platform_device *pdev; + struct regmap *regmap; + unsigned long paddr; + struct clk *mem_clk; + struct clk *ipg_clk; + struct clk *spba_clk; + spinlock_t lock; /* spin lock for resource protection */ + + struct fsl_asrc_pair *pair[PAIR_CTX_NUM]; + unsigned int channel_avail; + + int asrc_rate; + snd_pcm_format_t asrc_format; + bool use_edma; + + struct dma_chan *(*get_dma_channel)(struct fsl_asrc_pair *pair, bool dir); + int (*request_pair)(int channels, struct fsl_asrc_pair *pair); + void (*release_pair)(struct fsl_asrc_pair *pair); + int (*get_fifo_addr)(u8 dir, enum asrc_pair_index index); + + void *private; +}; + +#define DRV_NAME "fsl-asrc-dai" +extern struct snd_soc_component_driver fsl_asrc_component; + +#endif /* _FSL_ASRC_COMMON_H */ diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c index b15946e03380..5cf0468ce6e3 100644 --- a/sound/soc/fsl/fsl_asrc_dma.c +++ b/sound/soc/fsl/fsl_asrc_dma.c @@ -12,7 +12,7 @@ #include #include -#include "fsl_asrc.h" +#include "fsl_asrc_common.h" #define FSL_ASRC_DMABUF_SIZE (256 * 1024) @@ -170,10 +170,10 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, /* Override dma_data of the Front-End and config its dmaengine */ dma_params_fe = snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream); - dma_params_fe->addr = asrc->paddr + REG_ASRDx(!dir, index); + dma_params_fe->addr = asrc->paddr + asrc->get_fifo_addr(!dir, index); dma_params_fe->maxburst = dma_params_be->maxburst; - pair->dma_chan[!dir] = fsl_asrc_get_dma_channel(pair, !dir); + pair->dma_chan[!dir] = asrc->get_dma_channel(pair, !dir); if (!pair->dma_chan[!dir]) { dev_err(dev, "failed to request DMA channel\n"); return -EINVAL; @@ -203,7 +203,7 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, * need to configure dma_request and dma_request2, but get dma_chan via * dma_request_slave_channel directly with dma name of Front-End device */ - if (!asrc->soc->use_edma) { + if (!asrc->use_edma) { /* Get DMA request of Back-End */ tmp_chan = dma_request_slave_channel(dev_be, tx ? "tx" : "rx"); tmp_data = tmp_chan->private; @@ -211,7 +211,7 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, dma_release_channel(tmp_chan); /* Get DMA request of Front-End */ - tmp_chan = fsl_asrc_get_dma_channel(pair, dir); + tmp_chan = 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; @@ -222,7 +222,7 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, dma_request_channel(mask, filter, &pair->dma_data); } else { pair->dma_chan[dir] = - fsl_asrc_get_dma_channel(pair, dir); + asrc->get_dma_channel(pair, dir); } if (!pair->dma_chan[dir]) { @@ -251,10 +251,10 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, config_be.dst_maxburst = dma_params_be->maxburst; if (tx) { - config_be.src_addr = asrc->paddr + REG_ASRDO(index); + config_be.src_addr = asrc->paddr + asrc->get_fifo_addr(OUT, index); config_be.dst_addr = dma_params_be->addr; } else { - config_be.dst_addr = asrc->paddr + REG_ASRDI(index); + config_be.dst_addr = asrc->paddr + asrc->get_fifo_addr(IN, index); config_be.src_addr = dma_params_be->addr; } @@ -311,11 +311,12 @@ static int fsl_asrc_dma_startup(struct snd_soc_component *component, return ret; } - pair = kzalloc(sizeof(struct fsl_asrc_pair), GFP_KERNEL); + pair = kzalloc(sizeof(struct fsl_asrc_pair) + PAIR_PRIVAT_SIZE, GFP_KERNEL); if (!pair) return -ENOMEM; pair->asrc = asrc; + pair->private = (void *)pair + sizeof(struct fsl_asrc_pair); runtime->private_data = pair; @@ -323,14 +324,14 @@ static int fsl_asrc_dma_startup(struct snd_soc_component *component, * Request pair function needs channel num as input, for this * dummy pair, we just request "1" channel temporarily. */ - ret = fsl_asrc_request_pair(1, pair); + ret = asrc->request_pair(1, pair); if (ret < 0) { dev_err(dev, "failed to request asrc pair\n"); goto req_pair_err; } /* Request a dummy dma channel, which will be released later. */ - tmp_chan = fsl_asrc_get_dma_channel(pair, dir); + tmp_chan = asrc->get_dma_channel(pair, dir); if (!tmp_chan) { dev_err(dev, "failed to get dma channel\n"); ret = -EINVAL; @@ -356,7 +357,7 @@ static int fsl_asrc_dma_startup(struct snd_soc_component *component, dma_release_channel(tmp_chan); dma_chan_err: - fsl_asrc_release_pair(pair); + asrc->release_pair(pair); req_pair_err: if (release_pair)