From patchwork Thu Oct 17 09:01:15 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiubo Li X-Patchwork-Id: 3059651 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4FF369F243 for ; Thu, 17 Oct 2013 09:15:04 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DC7CA2011F for ; Thu, 17 Oct 2013 09:15:02 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D487A201B8 for ; Thu, 17 Oct 2013 09:14:57 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VWjdz-0003UG-3X; Thu, 17 Oct 2013 09:13:24 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VWjdV-0005e7-AE; Thu, 17 Oct 2013 09:12:53 +0000 Received: from tx2ehsobe002.messaging.microsoft.com ([65.55.88.12] helo=tx2outboundpool.messaging.microsoft.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VWjcu-0005Xd-Kf for linux-arm-kernel@lists.infradead.org; Thu, 17 Oct 2013 09:12:19 +0000 Received: from mail97-tx2-R.bigfish.com (10.9.14.251) by TX2EHSOBE008.bigfish.com (10.9.40.28) with Microsoft SMTP Server id 14.1.225.22; Thu, 17 Oct 2013 09:11:54 +0000 Received: from mail97-tx2 (localhost [127.0.0.1]) by mail97-tx2-R.bigfish.com (Postfix) with ESMTP id E70C3380064; Thu, 17 Oct 2013 09:11:54 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 0 X-BigFish: VS0(zzzz1f42h208ch1ee6h1de0h1fdah2073h1202h1e76h1d1ah1d2ah1fc6hzz1de098h1de097h8275bhz2dh2a8h839he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh1fb3h1d0ch1d2eh1d3fh1dfeh1dffh1e23h1fe8h1ff5h1155h) Received: from mail97-tx2 (localhost.localdomain [127.0.0.1]) by mail97-tx2 (MessageSwitch) id 1382001112385628_23626; Thu, 17 Oct 2013 09:11:52 +0000 (UTC) Received: from TX2EHSMHS022.bigfish.com (unknown [10.9.14.228]) by mail97-tx2.bigfish.com (Postfix) with ESMTP id 57AD42E0031; Thu, 17 Oct 2013 09:11:52 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by TX2EHSMHS022.bigfish.com (10.9.99.122) with Microsoft SMTP Server (TLS) id 14.16.227.3; Thu, 17 Oct 2013 09:11:52 +0000 Received: from az84smr01.freescale.net (10.64.34.197) by 039-SN1MMR1-002.039d.mgd.msft.net (10.84.1.15) with Microsoft SMTP Server (TLS) id 14.3.158.2; Thu, 17 Oct 2013 09:11:51 +0000 Received: from rock.am.freescale.net (rock.ap.freescale.net [10.193.20.106]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id r9H9Aoil019785; Thu, 17 Oct 2013 02:11:43 -0700 From: Xiubo Li To: , , , Subject: [PATCHv1 6/8] ASoC: fsl: add SGT15000 based audio machine driver. Date: Thu, 17 Oct 2013 17:01:15 +0800 Message-ID: <1382000477-17304-7-git-send-email-Li.Xiubo@freescale.com> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1382000477-17304-1-git-send-email-Li.Xiubo@freescale.com> References: <1382000477-17304-1-git-send-email-Li.Xiubo@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131017_051217_067464_FF476AE7 X-CRM114-Status: GOOD ( 18.56 ) X-Spam-Score: -3.2 (---) Cc: mark.rutland@arm.com, alsa-devel@alsa-project.org, linux-doc@vger.kernel.org, tiwai@suse.de, b18965@freescale.com, perex@perex.cz, LW@KARO-electronics.de, linux@arm.linux.org.uk, b42378@freescale.com, oskar@scara.com, grant.likely@linaro.org, devicetree@vger.kernel.org, ian.campbell@citrix.com, pawel.moll@arm.com, swarren@wwwdotorg.org, rob.herring@calxeda.com, linux-arm-kernel@lists.infradead.org, fabio.estevam@freescale.com, linux-kernel@vger.kernel.org, rob@landley.net, r64188@freescale.com, shawn.guo@linaro.org, linuxppc-dev@lists.ozlabs.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-3.6 required=5.0 tests=BAYES_00,KHOP_BIG_TO_CC, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This is the SGTl5000 codec based audio driver supported with both playback and capture dai link implemention. This implementation is only compatible with device tree definition. Signed-off-by: Alison Wang --- sound/soc/fsl/Kconfig | 10 +++ sound/soc/fsl/Makefile | 2 + sound/soc/fsl/fsl-sgtl5000.c | 208 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 220 insertions(+) create mode 100644 sound/soc/fsl/fsl-sgtl5000.c diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index a49b386..3fbbbf2 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -220,4 +220,14 @@ config SND_SOC_FSL_PCM tristate select SND_SOC_GENERIC_DMAENGINE_PCM +config SND_SOC_FSL_SGTL5000 + tristate "SoC Audio support for FSL boards with sgtl5000" + depends on OF && I2C + select SND_SOC_FSL_SAI + select SND_SOC_FSL_PCM + select SND_SOC_SGTL5000 + help + Say Y if you want to add support for SoC audio on an FSL board with + a sgtl5000 codec. + endif # SND_FSL_SOC diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile index 865ac23..e8bf0bd 100644 --- a/sound/soc/fsl/Makefile +++ b/sound/soc/fsl/Makefile @@ -58,6 +58,8 @@ obj-$(CONFIG_SND_SOC_IMX_MC13783) += snd-soc-imx-mc13783.o # FSL ARM SAI/SGT15000 Platform Support snd-soc-fsl-sai-objs := fsl-sai.o snd-soc-fsl-pcm-objs := fsl-pcm-dma.o +snd-soc-fsl-sgtl5000-objs := fsl-sgtl5000.o obj-$(CONFIG_SND_SOC_FSL_SAI) += snd-soc-fsl-sai.o obj-$(CONFIG_SND_SOC_FSL_PCM) += snd-soc-fsl-pcm.o +obj-$(CONFIG_SND_SOC_FSL_SGTL5000) += snd-soc-fsl-sgtl5000.o diff --git a/sound/soc/fsl/fsl-sgtl5000.c b/sound/soc/fsl/fsl-sgtl5000.c new file mode 100644 index 0000000..bab85ec --- /dev/null +++ b/sound/soc/fsl/fsl-sgtl5000.c @@ -0,0 +1,208 @@ +/* + * Freeacale ALSA SoC Audio using SGT1500 as codec. + * + * Copyright 2012-2013 Freescale Semiconductor, Inc. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + */ + +#include +#include +#include +#include +#include + +#include "../codecs/sgtl5000.h" +#include "fsl-sai.h" + +static unsigned int sysclk_rate; + +static int fsl_sgtl5000_dai_init(struct snd_soc_pcm_runtime *rtd) +{ + int ret; + struct device *dev = rtd->card->dev; + + ret = snd_soc_dai_set_sysclk(rtd->codec_dai, SGTL5000_SYSCLK, + sysclk_rate, SND_SOC_CLOCK_IN); + if (ret) { + dev_err(dev, "could not set codec driver clock params :%d\n", + ret); + return ret; + } + + ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, FSL_SAI_CLK_BUS, + sysclk_rate, SND_SOC_CLOCK_OUT); + if (ret) { + dev_err(dev, "could not set cpu dai driver clock params :%d\n", + ret); + return ret; + } + + return 0; +} + +static int sgtl5000_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + unsigned int channels = params_channels(params); + + /* TODO: The SAI driver should figure this out for us */ + switch (channels) { + case 2: + snd_soc_dai_set_tdm_slot(cpu_dai, 0xfffffffc, 0xfffffffc, 2, 0); + break; + case 1: + snd_soc_dai_set_tdm_slot(cpu_dai, 0xfffffffe, 0xfffffffe, 1, 0); + break; + default: + return -EINVAL; + } + + return 0; +} + +static struct snd_soc_ops fsl_sgtl5000_hifi_ops = { + .hw_params = sgtl5000_params, +}; + +static struct snd_soc_dai_link fsl_sgtl5000_dai = { + .name = "HiFi", + .stream_name = "HiFi", + .codec_dai_name = "sgtl5000", + .init = &fsl_sgtl5000_dai_init, + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM, + .ops = &fsl_sgtl5000_hifi_ops, +}; + +static const struct snd_soc_dapm_widget fsl_sgtl5000_dapm_widgets[] = { + SND_SOC_DAPM_MIC("Mic Jack", NULL), + SND_SOC_DAPM_LINE("Line In Jack", NULL), + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_SPK("Line Out Jack", NULL), + SND_SOC_DAPM_SPK("Ext Spk", NULL), +}; + +static struct snd_soc_card fsl_sgt1500_card = { + .owner = THIS_MODULE, + .num_links = 1, + .dai_link = &fsl_sgtl5000_dai, + .dapm_widgets = fsl_sgtl5000_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(fsl_sgtl5000_dapm_widgets), +}; + +static int fsl_sgtl5000_parse_dt(struct platform_device *pdev) +{ + int ret; + struct device_node *sai_np, *codec_np; + struct clk *codec_clk; + struct i2c_client *codec_dev; + struct device_node *np = pdev->dev.of_node; + + ret = snd_soc_of_parse_card_name(&fsl_sgt1500_card, "model"); + if (ret) + return ret; + + ret = snd_soc_of_parse_audio_routing(&fsl_sgt1500_card, + "audio-routing"); + if (ret) + return ret; + + sai_np = of_parse_phandle(np, "saif-controller", 0); + if (!sai_np) { + dev_err(&pdev->dev, "\"saif-controller\" phandle missing or " + "invalid\n"); + return -EINVAL; + } + fsl_sgtl5000_dai.cpu_of_node = sai_np; + fsl_sgtl5000_dai.platform_of_node = sai_np; + + codec_np = of_parse_phandle(np, "audio-codec", 0); + if (!codec_np) { + dev_err(&pdev->dev, "\"audio-codec\" phandle missing or " + "invalid\n"); + ret = -EINVAL; + goto sai_np_fail; + } + fsl_sgtl5000_dai.codec_of_node = codec_np; + + codec_dev = of_find_i2c_device_by_node(codec_np); + if (!codec_dev) { + dev_err(&pdev->dev, "failed to find codec platform device\n"); + ret = PTR_ERR(codec_dev); + goto codec_np_fail; + } + + codec_clk = devm_clk_get(&codec_dev->dev, NULL); + if (IS_ERR(codec_clk)) { + dev_err(&pdev->dev, "failed to get codec clock\n"); + ret = PTR_ERR(codec_clk); + goto codec_np_fail; + } + + sysclk_rate = clk_get_rate(codec_clk); + +codec_np_fail: + of_node_put(codec_np); +sai_np_fail: + of_node_put(sai_np); + + return ret; +} + +static int fsl_sgtl5000_probe(struct platform_device *pdev) +{ + int ret; + + fsl_sgt1500_card.dev = &pdev->dev; + + ret = fsl_sgtl5000_parse_dt(pdev); + if (ret) { + dev_err(&pdev->dev, + "parse sgtl5000 device tree failed :%d\n", + ret); + return ret; + } + + ret = snd_soc_register_card(&fsl_sgt1500_card); + if (ret) { + dev_err(&pdev->dev, "register soc sound card failed :%d\n", + ret); + return ret; + } + + return 0; +} + +static int fsl_sgtl5000_remove(struct platform_device *pdev) +{ + snd_soc_unregister_card(&fsl_sgt1500_card); + + return 0; +} + +static const struct of_device_id fsl_sgtl5000_dt_ids[] = { + { .compatible = "fsl,vf610-sgtl5000", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, fsl_sgtl5000_dt_ids); + +static struct platform_driver fsl_sgtl5000_driver = { + .driver = { + .name = "fsl-sgtl5000", + .owner = THIS_MODULE, + .of_match_table = fsl_sgtl5000_dt_ids, + }, + .probe = fsl_sgtl5000_probe, + .remove = fsl_sgtl5000_remove, +}; +module_platform_driver(fsl_sgtl5000_driver); + +MODULE_AUTHOR("Xiubo Li "); +MODULE_DESCRIPTION("Freescale SGTL5000 ASoC driver"); +MODULE_LICENSE("GPL");