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89 lines
3.1 KiB
Diff
89 lines
3.1 KiB
Diff
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From 4d2eaa194d77588fa42567ba174c3c14c5798027 Mon Sep 17 00:00:00 2001
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From: j-schambacher <joerg@hifiberry.com>
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Date: Thu, 12 Sep 2024 17:42:13 +0200
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Subject: [PATCH 1264/1350] ASoC: add HiFiBerry ADC8x 8-channel ADC to
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simple-card-driver
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Definitions for the 8 channel ADC card. The card uses only
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HW-controlled devices which allows the uses of the 'dummy-dai'.
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It will run only on a PI5 as it requires the designware I2S0 module.
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The necessary output lanes I2S0_DI[0..3] are claimed from within the
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DT overlay.
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Signed-off-by: j-schambacher <joerg@hifiberry.com>
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---
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sound/soc/bcm/Kconfig | 7 ++++++
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sound/soc/bcm/rpi-simple-soundcard.c | 37 ++++++++++++++++++++++++++++
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2 files changed, 44 insertions(+)
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--- a/sound/soc/bcm/Kconfig
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+++ b/sound/soc/bcm/Kconfig
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@@ -47,6 +47,13 @@ config SND_BCM2708_SOC_HIFIBERRY_ADC
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Say Y or M if you want to add support for HifiBerry ADC.
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Use this module for HiFiBerry's ADC-only sound cards
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+config SND_BCM2708_SOC_HIFIBERRY_ADC8X
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+ tristate "Support for HifiBerry ADC8X"
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+ select SND_RPI_SIMPLE_SOUNDCARD
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+ help
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+ Say Y or M if you want to add support for HifiBerry ADC8X.
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+ Note: ADC8X only works on PI5
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+
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config SND_BCM2708_SOC_HIFIBERRY_DAC
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tristate "Support for HifiBerry DAC and DAC8X"
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select SND_SOC_PCM5102A
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--- a/sound/soc/bcm/rpi-simple-soundcard.c
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+++ b/sound/soc/bcm/rpi-simple-soundcard.c
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@@ -254,6 +254,41 @@ static struct snd_rpi_simple_drvdata drv
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.dai = snd_hifiberrydacplusdsp_soundcard_dai,
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};
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+SND_SOC_DAILINK_DEFS(hifiberry_adc,
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+ DAILINK_COMP_ARRAY(COMP_EMPTY()),
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+ DAILINK_COMP_ARRAY(COMP_CODEC("snd-soc-dummy", "snd-soc-dummy-dai")),
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+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
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+
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+static int hifiberry_adc8x_init(struct snd_soc_pcm_runtime *rtd)
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+{
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+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
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+
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+ /* set limits of 8 channels and 192ksps sample rate
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+ */
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+ codec_dai->driver->capture.channels_max = 8;
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+ codec_dai->driver->capture.rates = SNDRV_PCM_RATE_8000_192000;
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+
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+ return 0;
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+}
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+
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+static struct snd_soc_dai_link snd_hifiberry_adc8x_dai[] = {
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+ {
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+ .name = "HifiBerry ADC8x",
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+ .stream_name = "HifiBerry ADC8x HiFi",
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+ .dai_fmt = SND_SOC_DAIFMT_I2S |
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+ SND_SOC_DAIFMT_NB_NF |
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+ SND_SOC_DAIFMT_CBS_CFS,
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+ .init = hifiberry_adc8x_init,
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+ SND_SOC_DAILINK_REG(hifiberry_adc),
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+ },
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+};
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+
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+static struct snd_rpi_simple_drvdata drvdata_hifiberry_adc8x = {
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+ .card_name = "snd_rpi_hifiberry_adc8x",
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+ .dai = snd_hifiberry_adc8x_dai,
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+ .fixed_bclk_ratio = 64,
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+};
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+
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SND_SOC_DAILINK_DEFS(hifiberry_amp,
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DAILINK_COMP_ARRAY(COMP_EMPTY()),
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DAILINK_COMP_ARRAY(COMP_CODEC("tas5713.1-001b", "tas5713-hifi")),
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@@ -445,6 +480,8 @@ static const struct of_device_id snd_rpi
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.data = (void *) &drvdata_googlevoicehat },
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{ .compatible = "hifiberrydacplusdsp,hifiberrydacplusdsp-soundcard",
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.data = (void *) &drvdata_hifiberrydacplusdsp },
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+ { .compatible = "hifiberry,hifiberry-adc8x",
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+ .data = (void *) &drvdata_hifiberry_adc8x },
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{ .compatible = "hifiberry,hifiberry-amp",
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.data = (void *) &drvdata_hifiberry_amp },
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{ .compatible = "hifiberry,hifiberry-amp3",
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