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openwrt/target/linux/bcm27xx/patches-5.4/950-0321-Add-Hifiberry-DAC-DSP-soundcard-driver-3224.patch
Álvaro Fernández Rojas a1383655cf bcm27xx: add linux 5.4 support 
Tested on bcm2710 (Raspberry Pi 3B).

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2020-02-29 12:50:51 +01:00

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From 59c54c8b3b5afe051ca627fb42a685909b58d631 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Schambacher?=
<j-schambacher@users.noreply.github.com>
Date: Thu, 12 Sep 2019 14:57:32 +0200
Subject: [PATCH] Add Hifiberry DAC+DSP soundcard driver (#3224)
Adds the driver for the Hifiberry DAC+DSP. It supports capture and
playback depending on the DSP firmware.
Signed-off-by: Joerg Schambacher <joerg@i2audio.com>
---
sound/soc/bcm/Kconfig | 7 ++
sound/soc/bcm/Makefile | 2 +
sound/soc/bcm/hifiberry_dacplusadcpro.c | 28 +++-----
sound/soc/bcm/hifiberry_dacplusdsp.c | 90 +++++++++++++++++++++++++
sound/soc/bcm/rpi-simple-soundcard.c | 23 +++++++
5 files changed, 132 insertions(+), 18 deletions(-)
create mode 100644 sound/soc/bcm/hifiberry_dacplusdsp.c
--- a/sound/soc/bcm/Kconfig
+++ b/sound/soc/bcm/Kconfig
@@ -59,6 +59,13 @@ config SND_BCM2708_SOC_HIFIBERRY_DACPLUS
help
Say Y or M if you want to add support for HifiBerry DAC+ADC PRO.
+config SND_BCM2708_SOC_HIFIBERRY_DACPLUSDSP
+ tristate "Support for HifiBerry DAC+DSP"
+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
+ select SND_RPI_SIMPLE_SOUNDCARD
+ help
+ Say Y or M if you want to add support for HifiBerry DSP-DAC.
+
config SND_BCM2708_SOC_HIFIBERRY_DIGI
tristate "Support for HifiBerry Digi"
depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
--- a/sound/soc/bcm/Makefile
+++ b/sound/soc/bcm/Makefile
@@ -16,6 +16,7 @@ snd-soc-googlevoicehat-codec-objs := goo
snd-soc-hifiberry-dacplus-objs := hifiberry_dacplus.o
snd-soc-hifiberry-dacplusadc-objs := hifiberry_dacplusadc.o
snd-soc-hifiberry-dacplusadcpro-objs := hifiberry_dacplusadcpro.o
+snd-soc-hifiberry-dacplusdsp-objs := hifiberry_dacplusdsp.o
snd-soc-justboom-dac-objs := justboom-dac.o
snd-soc-rpi-cirrus-objs := rpi-cirrus.o
snd-soc-rpi-proto-objs := rpi-proto.o
@@ -41,6 +42,7 @@ obj-$(CONFIG_SND_BCM2708_SOC_GOOGLEVOICE
obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) += snd-soc-hifiberry-dacplus.o
obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSADC) += snd-soc-hifiberry-dacplusadc.o
obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSADCPRO) += snd-soc-hifiberry-dacplusadcpro.o
+obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSDSP) += snd-soc-hifiberry-dacplusdsp.o
obj-$(CONFIG_SND_BCM2708_SOC_JUSTBOOM_DAC) += snd-soc-justboom-dac.o
obj-$(CONFIG_SND_BCM2708_SOC_RPI_CIRRUS) += snd-soc-rpi-cirrus.o
obj-$(CONFIG_SND_BCM2708_SOC_RPI_PROTO) += snd-soc-rpi-proto.o
--- a/sound/soc/bcm/hifiberry_dacplusadcpro.c
+++ b/sound/soc/bcm/hifiberry_dacplusadcpro.c
@@ -445,29 +445,21 @@ static struct snd_soc_ops snd_rpi_hifibe
.shutdown = snd_rpi_hifiberry_dacplusadcpro_shutdown,
};
-static struct snd_soc_dai_link_component snd_rpi_hifiberry_dacplusadcpro_codecs[] = {
- {
- .name = "pcm512x.1-004d",
- .dai_name = "pcm512x-hifi",
- },
- {
- .name = "pcm186x.1-004a",
- .dai_name = "pcm1863-aif",
- },
-};
+SND_SOC_DAILINK_DEFS(hifi,
+ DAILINK_COMP_ARRAY(COMP_CPU("bcm2708-i2s.0")),
+ DAILINK_COMP_ARRAY(COMP_CODEC("pcm512x.1-004d", "pcm512x-hifi"),
+ COMP_CODEC("pcm186x.1-004a", "pcm1863-aif")),
+ DAILINK_COMP_ARRAY(COMP_PLATFORM("bcm2708-i2s.0")));
static struct snd_soc_dai_link snd_rpi_hifiberry_dacplusadcpro_dai[] = {
{
.name = "HiFiBerry DAC+ADC PRO",
.stream_name = "HiFiBerry DAC+ADC PRO HiFi",
- .cpu_dai_name = "bcm2708-i2s.0",
- .platform_name = "bcm2708-i2s.0",
- .codecs = snd_rpi_hifiberry_dacplusadcpro_codecs,
- .num_codecs = 2,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.ops = &snd_rpi_hifiberry_dacplusadcpro_ops,
.init = snd_rpi_hifiberry_dacplusadcpro_init,
+ SND_SOC_DAILINK_REG(hifi),
},
};
@@ -495,10 +487,10 @@ static int snd_rpi_hifiberry_dacplusadcp
"i2s-controller", 0);
if (i2s_node) {
for (i = 0; i < card->num_links; i++) {
- dai->cpu_dai_name = NULL;
- dai->cpu_of_node = i2s_node;
- dai->platform_name = NULL;
- dai->platform_of_node = i2s_node;
+ dai->cpus->dai_name = NULL;
+ dai->cpus->of_node = i2s_node;
+ dai->platforms->name = NULL;
+ dai->platforms->of_node = i2s_node;
}
}
}
--- /dev/null
+++ b/sound/soc/bcm/hifiberry_dacplusdsp.c
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ASoC Driver for HiFiBerry DAC + DSP
+ *
+ * Author: Joerg Schambacher <joscha@schambacher.com>
+ * Copyright 2018
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <sound/soc.h>
+
+static struct snd_soc_component_driver dacplusdsp_component_driver;
+
+static struct snd_soc_dai_driver dacplusdsp_dai = {
+ .name = "dacplusdsp-hifi",
+ .capture = {
+ .stream_name = "DAC+DSP Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ },
+ .playback = {
+ .stream_name = "DACP+DSP Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ },
+ .symmetric_rates = 1};
+
+#ifdef CONFIG_OF
+static const struct of_device_id dacplusdsp_ids[] = {
+ {
+ .compatible = "hifiberry,dacplusdsp",
+ },
+ {} };
+MODULE_DEVICE_TABLE(of, dacplusdsp_ids);
+#endif
+
+static int dacplusdsp_platform_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ ret = snd_soc_register_component(&pdev->dev,
+ &dacplusdsp_component_driver, &dacplusdsp_dai, 1);
+ if (ret) {
+ pr_alert("snd_soc_register_component failed\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int dacplusdsp_platform_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_component(&pdev->dev);
+ return 0;
+}
+
+static struct platform_driver dacplusdsp_driver = {
+ .driver = {
+ .name = "hifiberry-dacplusdsp-codec",
+ .of_match_table = of_match_ptr(dacplusdsp_ids),
+ },
+ .probe = dacplusdsp_platform_probe,
+ .remove = dacplusdsp_platform_remove,
+};
+
+module_platform_driver(dacplusdsp_driver);
+
+MODULE_AUTHOR("Joerg Schambacher <joerg@i2audio.com>");
+MODULE_DESCRIPTION("ASoC Driver for HiFiBerry DAC+DSP");
+MODULE_LICENSE("GPL v2");
--- a/sound/soc/bcm/rpi-simple-soundcard.c
+++ b/sound/soc/bcm/rpi-simple-soundcard.c
@@ -144,6 +144,27 @@ static struct snd_rpi_simple_drvdata drv
.dai = snd_googlevoicehat_soundcard_dai,
};
+SND_SOC_DAILINK_DEFS(hifiberry_dacplusdsp,
+ DAILINK_COMP_ARRAY(COMP_EMPTY()),
+ DAILINK_COMP_ARRAY(COMP_CODEC("dacplusdsp-codec", "dacplusdsp-hifi")),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+static struct snd_soc_dai_link snd_hifiberrydacplusdsp_soundcard_dai[] = {
+{
+ .name = "Hifiberry DAC+DSP SoundCard",
+ .stream_name = "Hifiberry DAC+DSP SoundCard HiFi",
+ .dai_fmt = SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ SND_SOC_DAILINK_REG(hifiberry_dacplusdsp),
+},
+};
+
+static struct snd_rpi_simple_drvdata drvdata_hifiberrydacplusdsp = {
+ .card_name = "snd_rpi_hifiberrydacplusdsp_soundcard",
+ .dai = snd_hifiberrydacplusdsp_soundcard_dai,
+};
+
SND_SOC_DAILINK_DEFS(hifiberry_amp,
DAILINK_COMP_ARRAY(COMP_EMPTY()),
DAILINK_COMP_ARRAY(COMP_CODEC("tas5713.1-001b", "tas5713-hifi")),
@@ -213,6 +234,8 @@ static const struct of_device_id snd_rpi
.data = (void *) &drvdata_adau1977 },
{ .compatible = "googlevoicehat,googlevoicehat-soundcard",
.data = (void *) &drvdata_googlevoicehat },
+ { .compatible = "hifiberrydacplusdsp,hifiberrydacplusdsp-soundcard",
+ .data = (void *) &drvdata_hifiberrydacplusdsp },
{ .compatible = "hifiberry,hifiberry-amp",
.data = (void *) &drvdata_hifiberry_amp },
{ .compatible = "hifiberry,hifiberry-dac",
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