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Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0621-Add-support-for-the-AudioInjector.net-Isolated-sound.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0621-Add-support-for-the-AudioInjector.net-Isolated-sound.patch323
1 files changed, 0 insertions, 323 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0621-Add-support-for-the-AudioInjector.net-Isolated-sound.patch b/target/linux/bcm27xx/patches-5.4/950-0621-Add-support-for-the-AudioInjector.net-Isolated-sound.patch
deleted file mode 100644
index e35806962e..0000000000
--- a/target/linux/bcm27xx/patches-5.4/950-0621-Add-support-for-the-AudioInjector.net-Isolated-sound.patch
+++ /dev/null
@@ -1,323 +0,0 @@
-From 5b37b08ff1c29e7386eb8a29b168e94e33cf82c3 Mon Sep 17 00:00:00 2001
-From: Matt Flax <flatmax@flatmax.org>
-Date: Wed, 8 Apr 2020 20:00:30 +1000
-Subject: [PATCH] Add support for the AudioInjector.net Isolated sound
- card
-
-This patch adds support for the Audio Injector Isolated sound card.
-
-Signed-off-by: Matt Flax <flatmax@flatmax.org>
----
- arch/arm/boot/dts/overlays/Makefile | 1 +
- arch/arm/boot/dts/overlays/README | 6 +
- ...dioinjector-isolated-soundcard-overlay.dts | 55 ++++++
- sound/soc/bcm/Kconfig | 7 +
- sound/soc/bcm/Makefile | 2 +
- .../bcm/audioinjector-isolated-soundcard.c | 183 ++++++++++++++++++
- 11 files changed, 259 insertions(+), 5 deletions(-)
- create mode 100644 arch/arm/boot/dts/overlays/audioinjector-isolated-soundcard-overlay.dts
- create mode 100644 sound/soc/bcm/audioinjector-isolated-soundcard.c
-
---- a/arch/arm/boot/dts/overlays/Makefile
-+++ b/arch/arm/boot/dts/overlays/Makefile
-@@ -22,6 +22,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
- applepi-dac.dtbo \
- at86rf233.dtbo \
- audioinjector-addons.dtbo \
-+ audioinjector-isolated-soundcard.dtbo \
- audioinjector-ultra.dtbo \
- audioinjector-wm8731-audio.dtbo \
- audiosense-pi.dtbo \
---- a/arch/arm/boot/dts/overlays/README
-+++ b/arch/arm/boot/dts/overlays/README
-@@ -505,6 +505,12 @@ Params: non-stop-clocks Keeps th
- is paused or stopped (default off)
-
-
-+Name: audioinjector-isolated-soundcard
-+Info: Configures the audioinjector.net isolated soundcard
-+Load: dtoverlay=audioinjector-isolated-soundcard
-+Params: <None>
-+
-+
- Name: audioinjector-ultra
- Info: Configures the audioinjector.net ultra soundcard
- Load: dtoverlay=audioinjector-ultra
---- /dev/null
-+++ b/arch/arm/boot/dts/overlays/audioinjector-isolated-soundcard-overlay.dts
-@@ -0,0 +1,55 @@
-+// Definitions for audioinjector.net audio isolated soundcard
-+/dts-v1/;
-+/plugin/;
-+
-+/ {
-+ compatible = "brcm,bcm2835";
-+
-+ fragment@0 {
-+ target = <&i2s>;
-+ __overlay__ {
-+ status = "okay";
-+ };
-+ };
-+
-+ fragment@1 {
-+ target-path = "/";
-+ __overlay__ {
-+ cs4272_mclk: codec-mclk {
-+ compatible = "fixed-clock";
-+ #clock-cells = <0>;
-+ clock-frequency = <24576000>;
-+ };
-+ };
-+ };
-+
-+ fragment@2 {
-+ target = <&i2c1>;
-+ __overlay__ {
-+ #address-cells = <1>;
-+ #size-cells = <0>;
-+ status = "okay";
-+
-+ cs4272: cs4271@10 {
-+ #sound-dai-cells = <0>;
-+ compatible = "cirrus,cs4271";
-+ reg = <0x10>;
-+ reset-gpio = <&gpio 5 0>;
-+ clocks = <&cs4272_mclk>;
-+ clock-names = "mclk";
-+ status = "okay";
-+ };
-+ };
-+ };
-+
-+ fragment@3 {
-+ target = <&sound>;
-+ snd: __overlay__ {
-+ compatible = "ai,audioinjector-isolated-soundcard";
-+ mute-gpios = <&gpio 17 0>;
-+ i2s-controller = <&i2s>;
-+ codec = <&cs4272>;
-+ status = "okay";
-+ };
-+ };
-+};
---- a/sound/soc/bcm/Kconfig
-+++ b/sound/soc/bcm/Kconfig
-@@ -192,6 +192,13 @@ config SND_AUDIOINJECTOR_OCTO_SOUNDCARD
- help
- Say Y or M if you want to add support for audioinjector.net octo add on
-
-+config SND_AUDIOINJECTOR_ISOLATED_SOUNDCARD
-+ tristate "Support for audioinjector.net isolated DAC and ADC soundcard"
-+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
-+ select SND_SOC_CS4271_I2C
-+ help
-+ Say Y or M if you want to add support for audioinjector.net isolated soundcard
-+
- config SND_AUDIOSENSE_PI
- tristate "Support for AudioSense Add-On Soundcard"
- depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
---- a/sound/soc/bcm/Makefile
-+++ b/sound/soc/bcm/Makefile
-@@ -27,6 +27,7 @@ snd-soc-iqaudio-dac-objs := iqaudio-dac.
- snd-soc-i-sabre-q2m-objs := i-sabre-q2m.o
- snd-soc-audioinjector-pi-soundcard-objs := audioinjector-pi-soundcard.o
- snd-soc-audioinjector-octo-soundcard-objs := audioinjector-octo-soundcard.o
-+snd-soc-audioinjector-isolated-soundcard-objs := audioinjector-isolated-soundcard.o
- snd-soc-audiosense-pi-objs := audiosense-pi.o
- snd-soc-digidac1-soundcard-objs := digidac1-soundcard.o
- snd-soc-dionaudio-loco-objs := dionaudio_loco.o
-@@ -55,6 +56,7 @@ obj-$(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC
- obj-$(CONFIG_SND_BCM2708_SOC_I_SABRE_Q2M) += snd-soc-i-sabre-q2m.o
- obj-$(CONFIG_SND_AUDIOINJECTOR_PI_SOUNDCARD) += snd-soc-audioinjector-pi-soundcard.o
- obj-$(CONFIG_SND_AUDIOINJECTOR_OCTO_SOUNDCARD) += snd-soc-audioinjector-octo-soundcard.o
-+obj-$(CONFIG_SND_AUDIOINJECTOR_ISOLATED_SOUNDCARD) += snd-soc-audioinjector-isolated-soundcard.o
- obj-$(CONFIG_SND_AUDIOSENSE_PI) += snd-soc-audiosense-pi.o
- obj-$(CONFIG_SND_DIGIDAC1_SOUNDCARD) += snd-soc-digidac1-soundcard.o
- obj-$(CONFIG_SND_BCM2708_SOC_DIONAUDIO_LOCO) += snd-soc-dionaudio-loco.o
---- /dev/null
-+++ b/sound/soc/bcm/audioinjector-isolated-soundcard.c
-@@ -0,0 +1,183 @@
-+/*
-+ * ASoC Driver for AudioInjector.net isolated soundcard
-+ *
-+ * Created on: 20-February-2020
-+ * Author: flatmax@flatmax.org
-+ * based on audioinjector-octo-soundcard.c
-+ *
-+ * Copyright (C) 2020 Flatmax Pty. Ltd.
-+ *
-+ * 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/types.h>
-+#include <linux/gpio/consumer.h>
-+
-+#include <sound/core.h>
-+#include <sound/soc.h>
-+#include <sound/pcm_params.h>
-+#include <sound/control.h>
-+
-+static struct gpio_desc *mute_gpio;
-+
-+static const unsigned int audioinjector_isolated_rates[] = {
-+ 192000, 96000, 48000, 32000, 24000, 16000, 8000
-+};
-+
-+static struct snd_pcm_hw_constraint_list audioinjector_isolated_constraints = {
-+ .list = audioinjector_isolated_rates,
-+ .count = ARRAY_SIZE(audioinjector_isolated_rates),
-+};
-+
-+static int audioinjector_isolated_dai_init(struct snd_soc_pcm_runtime *rtd)
-+{
-+ int ret=snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 24576000, 0);
-+ if (ret)
-+ return ret;
-+
-+ return snd_soc_dai_set_bclk_ratio(rtd->cpu_dai, 64);
-+}
-+
-+static int audioinjector_isolated_startup(struct snd_pcm_substream *substream)
-+{
-+ snd_pcm_hw_constraint_list(substream->runtime, 0,
-+ SNDRV_PCM_HW_PARAM_RATE, &audioinjector_isolated_constraints);
-+
-+ return 0;
-+}
-+
-+static int audioinjector_isolated_trigger(struct snd_pcm_substream *substream,
-+ int cmd){
-+
-+ switch (cmd) {
-+ case SNDRV_PCM_TRIGGER_STOP:
-+ case SNDRV_PCM_TRIGGER_SUSPEND:
-+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-+ gpiod_set_value(mute_gpio, 0);
-+ break;
-+ case SNDRV_PCM_TRIGGER_START:
-+ case SNDRV_PCM_TRIGGER_RESUME:
-+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-+ gpiod_set_value(mute_gpio, 1);
-+ break;
-+ default:
-+ return -EINVAL;
-+ }
-+ return 0;
-+}
-+
-+static struct snd_soc_ops audioinjector_isolated_ops = {
-+ .startup = audioinjector_isolated_startup,
-+ .trigger = audioinjector_isolated_trigger,
-+};
-+
-+SND_SOC_DAILINK_DEFS(audioinjector_isolated,
-+ DAILINK_COMP_ARRAY(COMP_CPU("bcm2708-i2s.0")),
-+ DAILINK_COMP_ARRAY(COMP_CODEC("cs4271.1-0010", "cs4271-hifi")),
-+ DAILINK_COMP_ARRAY(COMP_PLATFORM("bcm2708-i2s.0")));
-+
-+static struct snd_soc_dai_link audioinjector_isolated_dai[] = {
-+ {
-+ .name = "AudioInjector ISO",
-+ .stream_name = "AI-HIFI",
-+ .ops = &audioinjector_isolated_ops,
-+ .init = audioinjector_isolated_dai_init,
-+ .symmetric_rates = 1,
-+ .symmetric_channels = 1,
-+ .dai_fmt = SND_SOC_DAIFMT_CBM_CFM|SND_SOC_DAIFMT_I2S|SND_SOC_DAIFMT_NB_NF,
-+ SND_SOC_DAILINK_REG(audioinjector_isolated),
-+ }
-+};
-+
-+static const struct snd_soc_dapm_widget audioinjector_isolated_widgets[] = {
-+ SND_SOC_DAPM_OUTPUT("OUTPUTS"),
-+ SND_SOC_DAPM_INPUT("INPUTS"),
-+};
-+
-+static const struct snd_soc_dapm_route audioinjector_isolated_route[] = {
-+ /* Balanced outputs */
-+ {"OUTPUTS", NULL, "AOUTA+"},
-+ {"OUTPUTS", NULL, "AOUTA-"},
-+ {"OUTPUTS", NULL, "AOUTB+"},
-+ {"OUTPUTS", NULL, "AOUTB-"},
-+
-+ /* Balanced inputs */
-+ {"AINA", NULL, "INPUTS"},
-+ {"AINB", NULL, "INPUTS"},
-+};
-+
-+static struct snd_soc_card snd_soc_audioinjector_isolated = {
-+ .name = "audioinjector-isolated-soundcard",
-+ .dai_link = audioinjector_isolated_dai,
-+ .num_links = ARRAY_SIZE(audioinjector_isolated_dai),
-+
-+ .dapm_widgets = audioinjector_isolated_widgets,
-+ .num_dapm_widgets = ARRAY_SIZE(audioinjector_isolated_widgets),
-+ .dapm_routes = audioinjector_isolated_route,
-+ .num_dapm_routes = ARRAY_SIZE(audioinjector_isolated_route),
-+};
-+
-+static int audioinjector_isolated_probe(struct platform_device *pdev)
-+{
-+ struct snd_soc_card *card = &snd_soc_audioinjector_isolated;
-+ int ret;
-+
-+ card->dev = &pdev->dev;
-+
-+ if (pdev->dev.of_node) {
-+ struct snd_soc_dai_link *dai = &audioinjector_isolated_dai[0];
-+ struct device_node *i2s_node =
-+ of_parse_phandle(pdev->dev.of_node, "i2s-controller", 0);
-+
-+ if (i2s_node) {
-+ dai->cpus->dai_name = NULL;
-+ dai->cpus->of_node = i2s_node;
-+ dai->platforms->name = NULL;
-+ dai->platforms->of_node = i2s_node;
-+ } else {
-+ dev_err(&pdev->dev,
-+ "i2s-controller missing or invalid in DT\n");
-+ return -EINVAL;
-+ }
-+
-+ mute_gpio = devm_gpiod_get_optional(&pdev->dev, "mute", GPIOD_OUT_LOW);
-+ if (IS_ERR(mute_gpio)){
-+ dev_err(&pdev->dev, "mute gpio not found in dt overlay\n");
-+ return PTR_ERR(mute_gpio);
-+ }
-+ }
-+
-+ ret = devm_snd_soc_register_card(&pdev->dev, card);
-+ if (ret && ret != -EPROBE_DEFER)
-+ dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
-+ return ret;
-+}
-+
-+static const struct of_device_id audioinjector_isolated_of_match[] = {
-+ { .compatible = "ai,audioinjector-isolated-soundcard", },
-+ {},
-+};
-+MODULE_DEVICE_TABLE(of, audioinjector_isolated_of_match);
-+
-+static struct platform_driver audioinjector_isolated_driver = {
-+ .driver = {
-+ .name = "audioinjector-isolated",
-+ .owner = THIS_MODULE,
-+ .of_match_table = audioinjector_isolated_of_match,
-+ },
-+ .probe = audioinjector_isolated_probe,
-+};
-+
-+module_platform_driver(audioinjector_isolated_driver);
-+MODULE_AUTHOR("Matt Flax <flatmax@flatmax.org>");
-+MODULE_DESCRIPTION("AudioInjector.net isolated Soundcard");
-+MODULE_LICENSE("GPL v2");
-+MODULE_ALIAS("platform:audioinjector-isolated-soundcard");
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-08 04:21:36 +0000