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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /sound/soc/tegra/trimslice.c | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/tegra/trimslice.c')
-rw-r--r-- | sound/soc/tegra/trimslice.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/sound/soc/tegra/trimslice.c b/sound/soc/tegra/trimslice.c new file mode 100644 index 000000000..d8fbb2248 --- /dev/null +++ b/sound/soc/tegra/trimslice.c @@ -0,0 +1,175 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * trimslice.c - TrimSlice machine ASoC driver + * + * Copyright (C) 2011 - CompuLab, Ltd. + * Author: Mike Rapoport <mike@compulab.co.il> + * + * Based on code copyright/by: + * Author: Stephen Warren <swarren@nvidia.com> + * Copyright (C) 2010-2011 - NVIDIA, Inc. + */ + +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/slab.h> + +#include <sound/core.h> +#include <sound/jack.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> + +#include "../codecs/tlv320aic23.h" + +#include "tegra_asoc_utils.h" + +#define DRV_NAME "tegra-snd-trimslice" + +struct tegra_trimslice { + struct tegra_asoc_utils_data util_data; +}; + +static int trimslice_asoc_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); + struct snd_soc_card *card = rtd->card; + struct tegra_trimslice *trimslice = snd_soc_card_get_drvdata(card); + int srate, mclk; + int err; + + srate = params_rate(params); + mclk = 128 * srate; + + err = tegra_asoc_utils_set_rate(&trimslice->util_data, srate, mclk); + if (err < 0) { + dev_err(card->dev, "Can't configure clocks\n"); + return err; + } + + err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, + SND_SOC_CLOCK_IN); + if (err < 0) { + dev_err(card->dev, "codec_dai clock not set\n"); + return err; + } + + return 0; +} + +static const struct snd_soc_ops trimslice_asoc_ops = { + .hw_params = trimslice_asoc_hw_params, +}; + +static const struct snd_soc_dapm_widget trimslice_dapm_widgets[] = { + SND_SOC_DAPM_HP("Line Out", NULL), + SND_SOC_DAPM_LINE("Line In", NULL), +}; + +static const struct snd_soc_dapm_route trimslice_audio_map[] = { + {"Line Out", NULL, "LOUT"}, + {"Line Out", NULL, "ROUT"}, + + {"LLINEIN", NULL, "Line In"}, + {"RLINEIN", NULL, "Line In"}, +}; + +SND_SOC_DAILINK_DEFS(single_dsp, + DAILINK_COMP_ARRAY(COMP_EMPTY()), + DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "tlv320aic23-hifi")), + DAILINK_COMP_ARRAY(COMP_EMPTY())); + +static struct snd_soc_dai_link trimslice_tlv320aic23_dai = { + .name = "TLV320AIC23", + .stream_name = "AIC23", + .ops = &trimslice_asoc_ops, + .dai_fmt = SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS, + SND_SOC_DAILINK_REG(single_dsp), +}; + +static struct snd_soc_card snd_soc_trimslice = { + .name = "tegra-trimslice", + .driver_name = "tegra", + .owner = THIS_MODULE, + .dai_link = &trimslice_tlv320aic23_dai, + .num_links = 1, + + .dapm_widgets = trimslice_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(trimslice_dapm_widgets), + .dapm_routes = trimslice_audio_map, + .num_dapm_routes = ARRAY_SIZE(trimslice_audio_map), + .fully_routed = true, +}; + +static int tegra_snd_trimslice_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct snd_soc_card *card = &snd_soc_trimslice; + struct tegra_trimslice *trimslice; + int ret; + + trimslice = devm_kzalloc(&pdev->dev, sizeof(struct tegra_trimslice), + GFP_KERNEL); + if (!trimslice) + return -ENOMEM; + + card->dev = &pdev->dev; + snd_soc_card_set_drvdata(card, trimslice); + + trimslice_tlv320aic23_dai.codecs->of_node = of_parse_phandle(np, + "nvidia,audio-codec", 0); + if (!trimslice_tlv320aic23_dai.codecs->of_node) { + dev_err(&pdev->dev, + "Property 'nvidia,audio-codec' missing or invalid\n"); + return -EINVAL; + } + + trimslice_tlv320aic23_dai.cpus->of_node = of_parse_phandle(np, + "nvidia,i2s-controller", 0); + if (!trimslice_tlv320aic23_dai.cpus->of_node) { + dev_err(&pdev->dev, + "Property 'nvidia,i2s-controller' missing or invalid\n"); + return -EINVAL; + } + + trimslice_tlv320aic23_dai.platforms->of_node = + trimslice_tlv320aic23_dai.cpus->of_node; + + ret = tegra_asoc_utils_init(&trimslice->util_data, &pdev->dev); + if (ret) + return ret; + + ret = devm_snd_soc_register_card(&pdev->dev, card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", + ret); + return ret; + } + + return 0; +} + +static const struct of_device_id trimslice_of_match[] = { + { .compatible = "nvidia,tegra-audio-trimslice", }, + {}, +}; +MODULE_DEVICE_TABLE(of, trimslice_of_match); + +static struct platform_driver tegra_snd_trimslice_driver = { + .driver = { + .name = DRV_NAME, + .of_match_table = trimslice_of_match, + }, + .probe = tegra_snd_trimslice_probe, +}; +module_platform_driver(tegra_snd_trimslice_driver); + +MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>"); +MODULE_DESCRIPTION("Trimslice machine ASoC driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRV_NAME); |