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Diffstat (limited to 'target/linux/brcm2708/patches-4.9/950-0190-sound-Support-for-Dion-Audio-LOCO-V2-DAC-AMP-HAT.patch')
-rw-r--r--target/linux/brcm2708/patches-4.9/950-0190-sound-Support-for-Dion-Audio-LOCO-V2-DAC-AMP-HAT.patch251
1 files changed, 0 insertions, 251 deletions
diff --git a/target/linux/brcm2708/patches-4.9/950-0190-sound-Support-for-Dion-Audio-LOCO-V2-DAC-AMP-HAT.patch b/target/linux/brcm2708/patches-4.9/950-0190-sound-Support-for-Dion-Audio-LOCO-V2-DAC-AMP-HAT.patch
deleted file mode 100644
index eb6422a469..0000000000
--- a/target/linux/brcm2708/patches-4.9/950-0190-sound-Support-for-Dion-Audio-LOCO-V2-DAC-AMP-HAT.patch
+++ /dev/null
@@ -1,251 +0,0 @@
-From a20dbe4972ea3df27f24c5397102e1346462a4f4 Mon Sep 17 00:00:00 2001
-From: Miquel <miquelblauw@hotmail.com>
-Date: Fri, 24 Feb 2017 20:51:06 +0100
-Subject: [PATCH] sound: Support for Dion Audio LOCO-V2 DAC-AMP HAT
-
-Signed-off-by: Miquel Blauw <info@dionaudio.nl>
----
- arch/arm/boot/dts/overlays/Makefile | 1 +
- arch/arm/boot/dts/overlays/README | 19 +++++
- arch/arm/configs/bcm2709_defconfig | 1 +
- arch/arm/configs/bcmrpi_defconfig | 1 +
- sound/soc/bcm/Kconfig | 7 ++
- sound/soc/bcm/Makefile | 2 +
- sound/soc/bcm/dionaudio_loco-v2.c | 140 ++++++++++++++++++++++++++++++++++++
- 7 files changed, 171 insertions(+)
- create mode 100644 sound/soc/bcm/dionaudio_loco-v2.c
-
---- a/arch/arm/boot/dts/overlays/Makefile
-+++ b/arch/arm/boot/dts/overlays/Makefile
-@@ -13,6 +13,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
- bmp085_i2c-sensor.dtbo \
- dht11.dtbo \
- dionaudio-loco.dtbo \
-+ dionaudio-loco-v2.dtbo \
- dpi18.dtbo \
- dpi24.dtbo \
- dwc-otg.dtbo \
---- a/arch/arm/boot/dts/overlays/README
-+++ b/arch/arm/boot/dts/overlays/README
-@@ -308,6 +308,25 @@ Load: dtoverlay=dionaudio-loco
- Params: <None>
-
-
-+Name: dionaudio-loco-v2
-+Info: Configures the Dion Audio LOCO-V2 DAC-AMP
-+Load: dtoverlay=dionaudio-loco-v2,<param>=<val>
-+Params: 24db_digital_gain Allow gain to be applied via the PCM512x codec
-+ Digital volume control. Enable with
-+ "dtoverlay=hifiberry-dacplus,24db_digital_gain"
-+ (The default behaviour is that the Digital
-+ volume control is limited to a maximum of
-+ 0dB. ie. it can attenuate but not provide
-+ gain. For most users, this will be desired
-+ as it will prevent clipping. By appending
-+ the 24dB_digital_gain parameter, the Digital
-+ volume control will allow up to 24dB of
-+ gain. If this parameter is enabled, it is the
-+ responsibility of the user to ensure that
-+ the Digital volume control is set to a value
-+ that does not result in clipping/distortion!)
-+
-+
- Name: dpi18
- Info: Overlay for a generic 18-bit DPI display
- This uses GPIOs 0-21 (so no I2C, uart etc.), and activates the output
---- a/arch/arm/configs/bcm2709_defconfig
-+++ b/arch/arm/configs/bcm2709_defconfig
-@@ -889,6 +889,7 @@ CONFIG_SND_BCM2708_SOC_ADAU1977_ADC=m
- CONFIG_SND_AUDIOINJECTOR_PI_SOUNDCARD=m
- CONFIG_SND_DIGIDAC1_SOUNDCARD=m
- CONFIG_SND_BCM2708_SOC_DIONAUDIO_LOCO=m
-+CONFIG_SND_BCM2708_SOC_DIONAUDIO_LOCO_V2=m
- CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC=m
- CONFIG_SND_PISOUND=m
- CONFIG_SND_SOC_ADAU1701=m
---- a/arch/arm/configs/bcmrpi_defconfig
-+++ b/arch/arm/configs/bcmrpi_defconfig
-@@ -883,6 +883,7 @@ CONFIG_SND_BCM2708_SOC_ADAU1977_ADC=m
- CONFIG_SND_AUDIOINJECTOR_PI_SOUNDCARD=m
- CONFIG_SND_DIGIDAC1_SOUNDCARD=m
- CONFIG_SND_BCM2708_SOC_DIONAUDIO_LOCO=m
-+CONFIG_SND_BCM2708_SOC_DIONAUDIO_LOCO_V2=m
- CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC=m
- CONFIG_SND_PISOUND=m
- CONFIG_SND_SOC_ADAU1701=m
---- a/sound/soc/bcm/Kconfig
-+++ b/sound/soc/bcm/Kconfig
-@@ -133,6 +133,13 @@ config SND_BCM2708_SOC_DIONAUDIO_LOCO
- help
- Say Y or M if you want to add support for Dion Audio LOCO.
-
-+config SND_BCM2708_SOC_DIONAUDIO_LOCO_V2
-+ tristate "Support for Dion Audio LOCO-V2 DAC-AMP"
-+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
-+ select SND_SOC_PCM5122
-+ help
-+ Say Y or M if you want to add support for Dion Audio LOCO-V2.
-+
- config SND_BCM2708_SOC_ALLO_PIANO_DAC
- tristate "Support for Allo Piano DAC"
- depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
---- a/sound/soc/bcm/Makefile
-+++ b/sound/soc/bcm/Makefile
-@@ -25,6 +25,7 @@ snd-soc-raspidac3-objs := raspidac3.o
- snd-soc-audioinjector-pi-soundcard-objs := audioinjector-pi-soundcard.o
- snd-soc-digidac1-soundcard-objs := digidac1-soundcard.o
- snd-soc-dionaudio-loco-objs := dionaudio_loco.o
-+snd-soc-dionaudio-loco-v2-objs := dionaudio_loco-v2.o
- snd-soc-allo-piano-dac-objs := allo-piano-dac.o
- snd-soc-pisound-objs := pisound.o
-
-@@ -44,5 +45,6 @@ obj-$(CONFIG_SND_BCM2708_SOC_RASPIDAC3)
- obj-$(CONFIG_SND_AUDIOINJECTOR_PI_SOUNDCARD) += snd-soc-audioinjector-pi-soundcard.o
- obj-$(CONFIG_SND_DIGIDAC1_SOUNDCARD) += snd-soc-digidac1-soundcard.o
- obj-$(CONFIG_SND_BCM2708_SOC_DIONAUDIO_LOCO) += snd-soc-dionaudio-loco.o
-+obj-$(CONFIG_SND_BCM2708_SOC_DIONAUDIO_LOCO_V2) += snd-soc-dionaudio-loco-v2.o
- obj-$(CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC) += snd-soc-allo-piano-dac.o
- obj-$(CONFIG_SND_PISOUND) += snd-soc-pisound.o
---- /dev/null
-+++ b/sound/soc/bcm/dionaudio_loco-v2.c
-@@ -0,0 +1,140 @@
-+/*
-+ * ASoC Driver for Dion Audio LOCO-V2 DAC-AMP
-+ *
-+ * Author: Miquel Blauw <info@dionaudio.nl>
-+ * Copyright 2017
-+ *
-+ * Based on the software of the RPi-DAC writen by Florian Meier
-+ *
-+ * 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/module.h>
-+#include <linux/platform_device.h>
-+
-+#include <sound/core.h>
-+#include <sound/pcm.h>
-+#include <sound/pcm_params.h>
-+#include <sound/soc.h>
-+#include <sound/jack.h>
-+
-+static bool digital_gain_0db_limit = true;
-+
-+static int snd_rpi_dionaudio_loco_v2_init(struct snd_soc_pcm_runtime *rtd)
-+{
-+ if (digital_gain_0db_limit) {
-+ int ret;
-+ struct snd_soc_card *card = rtd->card;
-+
-+ ret = snd_soc_limit_volume(card, "Digital Playback Volume", 207);
-+ if (ret < 0)
-+ dev_warn(card->dev, "Failed to set volume limit: %d\n", ret);
-+ }
-+
-+ return 0;
-+}
-+
-+static int snd_rpi_dionaudio_loco_v2_hw_params(
-+ struct snd_pcm_substream *substream,
-+ struct snd_pcm_hw_params *params)
-+{
-+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
-+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-+
-+ unsigned int sample_bits =
-+ snd_pcm_format_physical_width(params_format(params));
-+
-+ return snd_soc_dai_set_bclk_ratio(cpu_dai, sample_bits * 2);
-+}
-+
-+/* machine stream operations */
-+static struct snd_soc_ops snd_rpi_dionaudio_loco_v2_ops = {
-+ .hw_params = snd_rpi_dionaudio_loco_v2_hw_params,
-+};
-+
-+static struct snd_soc_dai_link snd_rpi_dionaudio_loco_v2_dai[] = {
-+{
-+ .name = "DionAudio LOCO-V2",
-+ .stream_name = "DionAudio LOCO-V2 DAC-AMP",
-+ .cpu_dai_name = "bcm2708-i2s.0",
-+ .codec_dai_name = "pcm512x-hifi",
-+ .platform_name = "bcm2708-i2s.0",
-+ .codec_name = "pcm512x.1-004d",
-+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
-+ SND_SOC_DAIFMT_CBS_CFS,
-+ .ops = &snd_rpi_dionaudio_loco_v2_ops,
-+ .init = snd_rpi_dionaudio_loco_v2_init,
-+},};
-+
-+/* audio machine driver */
-+static struct snd_soc_card snd_rpi_dionaudio_loco_v2 = {
-+ .name = "Dion Audio LOCO-V2",
-+ .dai_link = snd_rpi_dionaudio_loco_v2_dai,
-+ .num_links = ARRAY_SIZE(snd_rpi_dionaudio_loco_v2_dai),
-+};
-+
-+static int snd_rpi_dionaudio_loco_v2_probe(struct platform_device *pdev)
-+{
-+ int ret = 0;
-+
-+ snd_rpi_dionaudio_loco_v2.dev = &pdev->dev;
-+
-+ if (pdev->dev.of_node) {
-+ struct device_node *i2s_node;
-+ struct snd_soc_dai_link *dai =
-+ &snd_rpi_dionaudio_loco_v2_dai[0];
-+
-+ i2s_node = of_parse_phandle(pdev->dev.of_node,
-+ "i2s-controller", 0);
-+ if (i2s_node) {
-+ dai->cpu_dai_name = NULL;
-+ dai->cpu_of_node = i2s_node;
-+ dai->platform_name = NULL;
-+ dai->platform_of_node = i2s_node;
-+ }
-+
-+ digital_gain_0db_limit = !of_property_read_bool(
-+ pdev->dev.of_node, "dionaudio,24db_digital_gain");
-+ }
-+
-+ ret = snd_soc_register_card(&snd_rpi_dionaudio_loco_v2);
-+ if (ret)
-+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
-+ ret);
-+
-+ return ret;
-+}
-+
-+static int snd_rpi_dionaudio_loco_v2_remove(struct platform_device *pdev)
-+{
-+ return snd_soc_unregister_card(&snd_rpi_dionaudio_loco_v2);
-+}
-+
-+static const struct of_device_id dionaudio_of_match[] = {
-+ { .compatible = "dionaudio,dionaudio-loco-v2", },
-+ {},
-+};
-+MODULE_DEVICE_TABLE(of, dionaudio_of_match);
-+
-+static struct platform_driver snd_rpi_dionaudio_loco_v2_driver = {
-+ .driver = {
-+ .name = "snd-rpi-dionaudio-loco-v2",
-+ .owner = THIS_MODULE,
-+ .of_match_table = dionaudio_of_match,
-+ },
-+ .probe = snd_rpi_dionaudio_loco_v2_probe,
-+ .remove = snd_rpi_dionaudio_loco_v2_remove,
-+};
-+
-+module_platform_driver(snd_rpi_dionaudio_loco_v2_driver);
-+
-+MODULE_AUTHOR("Miquel Blauw <info@dionaudio.nl>");
-+MODULE_DESCRIPTION("ASoC Driver for DionAudio LOCO-V2");
-+MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-19 09:33:32 +0000