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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /sound/soc/tegra/trimslice.c
parentInitial commit. (diff)
downloadlinux-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.c175
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);