From patchwork Thu Jul 16 21:01:25 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 6811201 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 54D699F2F0 for ; Thu, 16 Jul 2015 21:09:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1F5E320636 for ; Thu, 16 Jul 2015 21:09:22 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 6DD1C2051D for ; Thu, 16 Jul 2015 21:09:20 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 937E926673C; Thu, 16 Jul 2015 23:09:19 +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, RCVD_IN_DNSWL_NONE, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 02A3E266823; Thu, 16 Jul 2015 23:04:44 +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 17AFD266815; Thu, 16 Jul 2015 23:04:41 +0200 (CEST) Received: from mezzanine.sirena.org.uk (mezzanine.sirena.org.uk [106.187.55.193]) by alsa0.perex.cz (Postfix) with ESMTP id B7E2D2605D2 for ; Thu, 16 Jul 2015 23:01:33 +0200 (CEST) Received: from cpc11-sgyl31-2-0-cust672.sgyl.cable.virginm.net ([94.175.94.161] helo=finisterre) by mezzanine.sirena.org.uk with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1ZFqHZ-000168-E7; Thu, 16 Jul 2015 21:01:30 +0000 Received: from broonie by finisterre with local (Exim 4.86_RC4) (envelope-from ) id 1ZFqHV-0001id-GM; Thu, 16 Jul 2015 22:01:25 +0100 From: Mark Brown To: Arnaud Pouliquen , Mark Brown In-Reply-To: <1437039367-30842-4-git-send-email-arnaud.pouliquen@st.com> Message-Id: Date: Thu, 16 Jul 2015 22:01:25 +0100 X-SA-Exim-Connect-IP: 94.175.94.161 X-SA-Exim-Mail-From: broonie@sirena.org.uk X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: Yes (on mezzanine.sirena.org.uk) Cc: alsa-devel@alsa-project.org Subject: [alsa-devel] Applied "ASoC: sti: Add uniperipheral dai driver" to the asoc tree 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: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP The patch ASoC: sti: Add uniperipheral dai driver has been applied to the asoc tree at git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark From f3bd847eb0a7744b1a86f6b585149434cc6f57ff Mon Sep 17 00:00:00 2001 From: Arnaud Pouliquen Date: Thu, 16 Jul 2015 11:36:04 +0200 Subject: [PATCH] ASoC: sti: Add uniperipheral dai driver ASoc uniperipheral dai driver that manages uniperipheral DAIs and registers associated generic dma engine platform. Signed-off-by: Arnaud Pouliquen Signed-off-by: Mark Brown --- sound/soc/sti/sti_uniperif.c | 253 +++++++++++++++++++++++++++++++++++++++++++ sound/soc/sti/uniperif.h | 9 ++ 2 files changed, 262 insertions(+) create mode 100644 sound/soc/sti/sti_uniperif.c diff --git a/sound/soc/sti/sti_uniperif.c b/sound/soc/sti/sti_uniperif.c new file mode 100644 index 0000000..749e6b2 --- /dev/null +++ b/sound/soc/sti/sti_uniperif.c @@ -0,0 +1,253 @@ +/* + * Copyright (C) STMicroelectronics SA 2015 + * Authors: Arnaud Pouliquen + * for STMicroelectronics. + * License terms: GNU General Public License (GPL), version 2 + */ + +#include + +#include "uniperif.h" + +/* + * sti_uniperiph_dai_create_ctrl + * This function is used to create Ctrl associated to DAI but also pcm device. + * Request is done by front end to associate ctrl with pcm device id + */ +int sti_uniperiph_dai_create_ctrl(struct snd_soc_dai *dai) +{ + struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai); + struct uniperif *uni = priv->dai_data.uni; + struct snd_kcontrol_new *ctrl; + int i; + + if (!uni->num_ctrls) + return 0; + + for (i = 0; i < uni->num_ctrls; i++) { + /* + * Several Control can have same name. Controls are indexed on + * Uniperipheral instance ID + */ + ctrl = &uni->snd_ctrls[i]; + ctrl->index = uni->info->id; + ctrl->device = uni->info->id; + } + + return snd_soc_add_dai_controls(dai, uni->snd_ctrls, uni->num_ctrls); +} + +/* + * DAI + */ +int sti_uniperiph_dai_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_dmaengine_dai_dma_data *dma_data; + int transfer_size; + + transfer_size = params_channels(params) * UNIPERIF_FIFO_FRAMES; + + dma_data = snd_soc_dai_get_dma_data(dai, substream); + dma_data->maxburst = transfer_size; + + return 0; +} + +int sti_uniperiph_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai); + + priv->dai_data.uni->daifmt = fmt; + + return 0; +} + +static int sti_uniperiph_dai_suspend(struct snd_soc_dai *dai) +{ + struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai); + struct uniperif *uni = priv->dai_data.uni; + int ret; + + /* The uniperipheral should be in stopped state */ + if (uni->state != UNIPERIF_STATE_STOPPED) { + dev_err(uni->dev, "%s: invalid uni state( %d)", + __func__, (int)uni->state); + return -EBUSY; + } + + /* Pinctrl: switch pinstate to sleep */ + ret = pinctrl_pm_select_sleep_state(uni->dev); + if (ret) + dev_err(uni->dev, "%s: failed to select pinctrl state", + __func__); + + return ret; +} + +static int sti_uniperiph_dai_resume(struct snd_soc_dai *dai) +{ + struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai); + struct uniperif *uni = priv->dai_data.uni; + int ret; + + if (of_device_is_compatible(dai->dev->of_node, "st,sti-uni-player")) { + ret = uni_player_resume(uni); + if (ret) + return ret; + } + + /* pinctrl: switch pinstate to default */ + ret = pinctrl_pm_select_default_state(uni->dev); + if (ret) + dev_err(uni->dev, "%s: failed to select pinctrl state", + __func__); + + return ret; +} + +static int sti_uniperiph_dai_probe(struct snd_soc_dai *dai) +{ + struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai); + struct sti_uniperiph_dai *dai_data = &priv->dai_data; + + /* DMA settings*/ + if (of_device_is_compatible(dai->dev->of_node, "st,sti-uni-player")) + snd_soc_dai_init_dma_data(dai, &dai_data->dma_data, NULL); + else + snd_soc_dai_init_dma_data(dai, NULL, &dai_data->dma_data); + + dai_data->dma_data.addr = dai_data->uni->fifo_phys_address; + dai_data->dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + + return sti_uniperiph_dai_create_ctrl(dai); +} + +static const struct snd_soc_dai_driver sti_uniperiph_dai_template = { + .probe = sti_uniperiph_dai_probe, + .suspend = sti_uniperiph_dai_suspend, + .resume = sti_uniperiph_dai_resume +}; + +static const struct snd_soc_component_driver sti_uniperiph_dai_component = { + .name = "sti_cpu_dai", +}; + +static int sti_uniperiph_cpu_dai_of(struct device_node *node, + struct sti_uniperiph_data *priv) +{ + const char *str; + int ret; + struct device *dev = &priv->pdev->dev; + struct sti_uniperiph_dai *dai_data = &priv->dai_data; + struct snd_soc_dai_driver *dai = priv->dai; + struct snd_soc_pcm_stream *stream; + struct uniperif *uni; + + uni = devm_kzalloc(dev, sizeof(*uni), GFP_KERNEL); + if (!uni) + return -ENOMEM; + + *dai = sti_uniperiph_dai_template; + ret = of_property_read_string(node, "dai-name", &str); + if (ret < 0) { + dev_err(dev, "%s: dai name missing.\n", __func__); + return -EINVAL; + } + dai->name = str; + + /* Get resources */ + uni->mem_region = platform_get_resource(priv->pdev, IORESOURCE_MEM, 0); + + if (!uni->mem_region) { + dev_err(dev, "Failed to get memory resource"); + return -ENODEV; + } + + uni->base = devm_ioremap_resource(dev, uni->mem_region); + + if (IS_ERR(uni->base)) + return PTR_ERR(uni->base); + + uni->fifo_phys_address = uni->mem_region->start + + UNIPERIF_FIFO_DATA_OFFSET(uni); + + uni->irq = platform_get_irq(priv->pdev, 0); + if (!uni->irq < 0) { + dev_err(dev, "Failed to get IRQ resource"); + return -ENXIO; + } + + dai_data->uni = uni; + + if (of_device_is_compatible(node, "st,sti-uni-player")) { + uni_player_init(priv->pdev, uni); + stream = &dai->playback; + } else { + uni_reader_init(priv->pdev, uni); + stream = &dai->capture; + } + dai->ops = uni->dai_ops; + + stream->stream_name = dai->name; + stream->channels_min = uni->hw->channels_min; + stream->channels_max = uni->hw->channels_max; + stream->rates = uni->hw->rates; + stream->formats = uni->hw->formats; + + return 0; +} + +static const struct snd_dmaengine_pcm_config dmaengine_pcm_config = { + .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config, +}; + +static int sti_uniperiph_probe(struct platform_device *pdev) +{ + struct sti_uniperiph_data *priv; + struct device_node *node = pdev->dev.of_node; + int ret; + + /* Allocate the private data and the CPU_DAI array */ + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + priv->dai = devm_kzalloc(&pdev->dev, sizeof(*priv->dai), GFP_KERNEL); + if (!priv->dai) + return -ENOMEM; + + priv->pdev = pdev; + + ret = sti_uniperiph_cpu_dai_of(node, priv); + + dev_set_drvdata(&pdev->dev, priv); + + ret = snd_soc_register_component(&pdev->dev, + &sti_uniperiph_dai_component, + priv->dai, 1); + if (ret < 0) + return ret; + + return devm_snd_dmaengine_pcm_register(&pdev->dev, + &dmaengine_pcm_config, 0); +} + +static const struct of_device_id snd_soc_sti_match[] = { + { .compatible = "st,sti-uni-player", }, + { .compatible = "st,sti-uni-reader", }, + {}, +}; + +static struct platform_driver sti_uniperiph_driver = { + .driver = { + .name = "sti-uniperiph-dai", + .of_match_table = snd_soc_sti_match, + }, + .probe = sti_uniperiph_probe, +}; +module_platform_driver(sti_uniperiph_driver); + +MODULE_DESCRIPTION("uniperipheral DAI driver"); +MODULE_AUTHOR("Arnaud Pouliquen "); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/sti/uniperif.h b/sound/soc/sti/uniperif.h index f396958..f1e583d 100644 --- a/sound/soc/sti/uniperif.h +++ b/sound/soc/sti/uniperif.h @@ -1215,4 +1215,13 @@ int uni_player_resume(struct uniperif *player); /* uniperiph reader */ int uni_reader_init(struct platform_device *pdev, struct uniperif *uni_reader); + +/* common */ +int sti_uniperiph_dai_set_fmt(struct snd_soc_dai *dai, + unsigned int fmt); + +int sti_uniperiph_dai_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai); + #endif