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[165.204.84.11]) by smtp.gmail.com with ESMTPSA id c26sm9148691qkm.98.2020.05.11.14.20.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 May 2020 14:20:38 -0700 (PDT) From: Alex Deucher X-Google-Original-From: Alex Deucher To: alsa-devel@alsa-project.org, broonie@kernel.org, vijendar.mukunda@amd.com, tiwai@suse.de Subject: [PATCH v2 13/14] ASoC: amd: RN machine driver using dmic Date: Mon, 11 May 2020 17:20:13 -0400 Message-Id: <20200511212014.2359225-14-alexander.deucher@amd.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20200511212014.2359225-1-alexander.deucher@amd.com> References: <20200511212014.2359225-1-alexander.deucher@amd.com> MIME-Version: 1.0 Cc: Alex Deucher , Vijendar Mukunda 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: Vijendar Mukunda This patch adds Renoir Machine driver for dmic support. Signed-off-by: Vijendar Mukunda Signed-off-by: Alex Deucher --- v2: - Removed redundant code sound/soc/amd/renoir/acp3x-rn.c | 106 ++++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 sound/soc/amd/renoir/acp3x-rn.c diff --git a/sound/soc/amd/renoir/acp3x-rn.c b/sound/soc/amd/renoir/acp3x-rn.c new file mode 100644 index 000000000000..069714035e95 --- /dev/null +++ b/sound/soc/amd/renoir/acp3x-rn.c @@ -0,0 +1,106 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// Machine driver for AMD Renoir platform using DMIC +// +//Copyright 2020 Advanced Micro Devices, Inc. + +#include +#include +#include +#include +#include +#include + +#include "rn_acp3x.h" + +#define DRV_NAME "acp_pdm_mach" + +static int acp_pdm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + return 0; +} + +static struct snd_soc_ops acp_pdm_ops = { + .hw_params = acp_pdm_hw_params, +}; + +static int acp_init(struct snd_soc_pcm_runtime *rtd) +{ + return 0; +} + +SND_SOC_DAILINK_DEF(acp_pdm, + DAILINK_COMP_ARRAY(COMP_CPU("acp_rn_pdm_dma.0"))); + +SND_SOC_DAILINK_DEF(dmic_codec, + DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec.0", + "dmic-hifi"))); + +SND_SOC_DAILINK_DEF(platform, + DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_rn_pdm_dma.0"))); + +static struct snd_soc_dai_link acp_dai_pdm[] = { + { + .name = "acp3x-dmic-capture", + .stream_name = "DMIC capture", + .ops = &acp_pdm_ops, + .init = acp_init, + .capture_only = 1, + SND_SOC_DAILINK_REG(acp_pdm, dmic_codec, platform), + }, +}; + +static struct snd_soc_card acp_card = { + .name = "acp", + .owner = THIS_MODULE, + .dai_link = acp_dai_pdm, + .num_links = 1, +}; + +static int acp_probe(struct platform_device *pdev) +{ + int ret; + struct acp_pdm *machine = NULL; + struct snd_soc_card *card; + + card = &acp_card; + acp_card.dev = &pdev->dev; + + platform_set_drvdata(pdev, card); + snd_soc_card_set_drvdata(card, machine); + ret = devm_snd_soc_register_card(&pdev->dev, card); + if (ret) { + dev_err(&pdev->dev, + "snd_soc_register_card(%s) failed: %d\n", + acp_card.name, ret); + return ret; + } + return 0; +} + +static struct platform_driver acp_mach_driver = { + .driver = { + .name = "acp_pdm_mach", + .pm = &snd_soc_pm_ops, + }, + .probe = acp_probe, +}; + +static int __init acp_audio_init(void) +{ + platform_driver_register(&acp_mach_driver); + return 0; +} + +static void __exit acp_audio_exit(void) +{ + platform_driver_unregister(&acp_mach_driver); +} + +module_init(acp_audio_init); +module_exit(acp_audio_exit); + +MODULE_AUTHOR("Vijendar.Mukunda@amd.com"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRV_NAME);