baad22eed3
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.9.y - Remove led1 from diag.sh for RPi3 since it causes boot issues. - Fix modules.mk typos. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
272 lines
8.1 KiB
Diff
272 lines
8.1 KiB
Diff
From 3a890b43d08fbfe10895f733578f095a6449ba0b Mon Sep 17 00:00:00 2001
|
|
From: Florian Meier <florian.meier@koalo.de>
|
|
Date: Mon, 25 Jan 2016 15:48:59 +0000
|
|
Subject: [PATCH] ASoC: Add support for Rpi-DAC
|
|
|
|
---
|
|
sound/soc/bcm/Kconfig | 7 +++
|
|
sound/soc/bcm/Makefile | 2 +
|
|
sound/soc/bcm/rpi-dac.c | 119 ++++++++++++++++++++++++++++++++++++++++++++
|
|
sound/soc/codecs/Kconfig | 5 ++
|
|
sound/soc/codecs/Makefile | 2 +
|
|
sound/soc/codecs/pcm1794a.c | 69 +++++++++++++++++++++++++
|
|
6 files changed, 204 insertions(+)
|
|
create mode 100644 sound/soc/bcm/rpi-dac.c
|
|
create mode 100644 sound/soc/codecs/pcm1794a.c
|
|
|
|
--- a/sound/soc/bcm/Kconfig
|
|
+++ b/sound/soc/bcm/Kconfig
|
|
@@ -23,3 +23,10 @@ config SND_BCM2708_SOC_HIFIBERRY_DAC
|
|
select SND_SOC_PCM5102A
|
|
help
|
|
Say Y or M if you want to add support for HifiBerry DAC.
|
|
+
|
|
+config SND_BCM2708_SOC_RPI_DAC
|
|
+ tristate "Support for RPi-DAC"
|
|
+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
|
|
+ select SND_SOC_PCM1794A
|
|
+ help
|
|
+ Say Y or M if you want to add support for RPi-DAC.
|
|
--- a/sound/soc/bcm/Makefile
|
|
+++ b/sound/soc/bcm/Makefile
|
|
@@ -10,5 +10,7 @@ obj-$(CONFIG_SND_SOC_CYGNUS) += snd-soc-
|
|
|
|
# BCM2708 Machine Support
|
|
snd-soc-hifiberry-dac-objs := hifiberry_dac.o
|
|
+snd-soc-rpi-dac-objs := rpi-dac.o
|
|
|
|
obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) += snd-soc-hifiberry-dac.o
|
|
+obj-$(CONFIG_SND_BCM2708_SOC_RPI_DAC) += snd-soc-rpi-dac.o
|
|
--- /dev/null
|
|
+++ b/sound/soc/bcm/rpi-dac.c
|
|
@@ -0,0 +1,119 @@
|
|
+/*
|
|
+ * ASoC Driver for RPi-DAC.
|
|
+ *
|
|
+ * Author: Florian Meier <florian.meier@koalo.de>
|
|
+ * Copyright 2013
|
|
+ *
|
|
+ * 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 int snd_rpi_rpi_dac_init(struct snd_soc_pcm_runtime *rtd)
|
|
+{
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int snd_rpi_rpi_dac_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;
|
|
+
|
|
+ return snd_soc_dai_set_bclk_ratio(cpu_dai, 32*2);
|
|
+}
|
|
+
|
|
+/* machine stream operations */
|
|
+static struct snd_soc_ops snd_rpi_rpi_dac_ops = {
|
|
+ .hw_params = snd_rpi_rpi_dac_hw_params,
|
|
+};
|
|
+
|
|
+static struct snd_soc_dai_link snd_rpi_rpi_dac_dai[] = {
|
|
+{
|
|
+ .name = "RPi-DAC",
|
|
+ .stream_name = "RPi-DAC HiFi",
|
|
+ .cpu_dai_name = "bcm2708-i2s.0",
|
|
+ .codec_dai_name = "pcm1794a-hifi",
|
|
+ .platform_name = "bcm2708-i2s.0",
|
|
+ .codec_name = "pcm1794a-codec",
|
|
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
|
|
+ SND_SOC_DAIFMT_CBS_CFS,
|
|
+ .ops = &snd_rpi_rpi_dac_ops,
|
|
+ .init = snd_rpi_rpi_dac_init,
|
|
+},
|
|
+};
|
|
+
|
|
+/* audio machine driver */
|
|
+static struct snd_soc_card snd_rpi_rpi_dac = {
|
|
+ .name = "snd_rpi_rpi_dac",
|
|
+ .owner = THIS_MODULE,
|
|
+ .dai_link = snd_rpi_rpi_dac_dai,
|
|
+ .num_links = ARRAY_SIZE(snd_rpi_rpi_dac_dai),
|
|
+};
|
|
+
|
|
+static int snd_rpi_rpi_dac_probe(struct platform_device *pdev)
|
|
+{
|
|
+ int ret = 0;
|
|
+
|
|
+ snd_rpi_rpi_dac.dev = &pdev->dev;
|
|
+
|
|
+ if (pdev->dev.of_node) {
|
|
+ struct device_node *i2s_node;
|
|
+ struct snd_soc_dai_link *dai = &snd_rpi_rpi_dac_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;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ ret = snd_soc_register_card(&snd_rpi_rpi_dac);
|
|
+ if (ret)
|
|
+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret);
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static int snd_rpi_rpi_dac_remove(struct platform_device *pdev)
|
|
+{
|
|
+ return snd_soc_unregister_card(&snd_rpi_rpi_dac);
|
|
+}
|
|
+
|
|
+static const struct of_device_id snd_rpi_rpi_dac_of_match[] = {
|
|
+ { .compatible = "rpi,rpi-dac", },
|
|
+ {},
|
|
+};
|
|
+MODULE_DEVICE_TABLE(of, snd_rpi_rpi_dac_of_match);
|
|
+
|
|
+static struct platform_driver snd_rpi_rpi_dac_driver = {
|
|
+ .driver = {
|
|
+ .name = "snd-rpi-dac",
|
|
+ .owner = THIS_MODULE,
|
|
+ .of_match_table = snd_rpi_rpi_dac_of_match,
|
|
+ },
|
|
+ .probe = snd_rpi_rpi_dac_probe,
|
|
+ .remove = snd_rpi_rpi_dac_remove,
|
|
+};
|
|
+
|
|
+module_platform_driver(snd_rpi_rpi_dac_driver);
|
|
+
|
|
+MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>");
|
|
+MODULE_DESCRIPTION("ASoC Driver for RPi-DAC");
|
|
+MODULE_LICENSE("GPL v2");
|
|
--- a/sound/soc/codecs/Kconfig
|
|
+++ b/sound/soc/codecs/Kconfig
|
|
@@ -98,6 +98,7 @@ config SND_SOC_ALL_CODECS
|
|
select SND_SOC_PCM1681 if I2C
|
|
select SND_SOC_PCM179X_I2C if I2C
|
|
select SND_SOC_PCM179X_SPI if SPI_MASTER
|
|
+ select SND_SOC_PCM1794A if I2C
|
|
select SND_SOC_PCM3008
|
|
select SND_SOC_PCM3168A_I2C if I2C
|
|
select SND_SOC_PCM3168A_SPI if SPI_MASTER
|
|
@@ -689,6 +690,10 @@ config SND_SOC_RT5616
|
|
tristate "Realtek RT5616 CODEC"
|
|
depends on I2C
|
|
|
|
+config SND_SOC_PCM1794A
|
|
+ tristate
|
|
+ depends on I2C
|
|
+
|
|
config SND_SOC_RT5631
|
|
tristate "Realtek ALC5631/RT5631 CODEC"
|
|
depends on I2C
|
|
--- a/sound/soc/codecs/Makefile
|
|
+++ b/sound/soc/codecs/Makefile
|
|
@@ -93,6 +93,7 @@ snd-soc-pcm1681-objs := pcm1681.o
|
|
snd-soc-pcm179x-codec-objs := pcm179x.o
|
|
snd-soc-pcm179x-i2c-objs := pcm179x-i2c.o
|
|
snd-soc-pcm179x-spi-objs := pcm179x-spi.o
|
|
+snd-soc-pcm1794a-objs := pcm1794a.o
|
|
snd-soc-pcm3008-objs := pcm3008.o
|
|
snd-soc-pcm3168a-objs := pcm3168a.o
|
|
snd-soc-pcm3168a-i2c-objs := pcm3168a-i2c.o
|
|
@@ -325,6 +326,7 @@ obj-$(CONFIG_SND_SOC_PCM5102A) += snd-so
|
|
obj-$(CONFIG_SND_SOC_PCM512x) += snd-soc-pcm512x.o
|
|
obj-$(CONFIG_SND_SOC_PCM512x_I2C) += snd-soc-pcm512x-i2c.o
|
|
obj-$(CONFIG_SND_SOC_PCM512x_SPI) += snd-soc-pcm512x-spi.o
|
|
+obj-$(CONFIG_SND_SOC_PCM1794A) += snd-soc-pcm1794a.o
|
|
obj-$(CONFIG_SND_SOC_RL6231) += snd-soc-rl6231.o
|
|
obj-$(CONFIG_SND_SOC_RL6347A) += snd-soc-rl6347a.o
|
|
obj-$(CONFIG_SND_SOC_RT286) += snd-soc-rt286.o
|
|
--- /dev/null
|
|
+++ b/sound/soc/codecs/pcm1794a.c
|
|
@@ -0,0 +1,69 @@
|
|
+/*
|
|
+ * Driver for the PCM1794A codec
|
|
+ *
|
|
+ * Author: Florian Meier <florian.meier@koalo.de>
|
|
+ * Copyright 2013
|
|
+ *
|
|
+ * 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/platform_device.h>
|
|
+
|
|
+#include <sound/soc.h>
|
|
+
|
|
+static struct snd_soc_dai_driver pcm1794a_dai = {
|
|
+ .name = "pcm1794a-hifi",
|
|
+ .playback = {
|
|
+ .channels_min = 2,
|
|
+ .channels_max = 2,
|
|
+ .rates = SNDRV_PCM_RATE_8000_192000,
|
|
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
|
|
+ SNDRV_PCM_FMTBIT_S24_LE
|
|
+ },
|
|
+};
|
|
+
|
|
+static struct snd_soc_codec_driver soc_codec_dev_pcm1794a;
|
|
+
|
|
+static int pcm1794a_probe(struct platform_device *pdev)
|
|
+{
|
|
+ return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_pcm1794a,
|
|
+ &pcm1794a_dai, 1);
|
|
+}
|
|
+
|
|
+static int pcm1794a_remove(struct platform_device *pdev)
|
|
+{
|
|
+ snd_soc_unregister_codec(&pdev->dev);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static const struct of_device_id pcm1794a_of_match[] = {
|
|
+ { .compatible = "ti,pcm1794a", },
|
|
+ { }
|
|
+};
|
|
+MODULE_DEVICE_TABLE(of, pcm1794a_of_match);
|
|
+
|
|
+static struct platform_driver pcm1794a_codec_driver = {
|
|
+ .probe = pcm1794a_probe,
|
|
+ .remove = pcm1794a_remove,
|
|
+ .driver = {
|
|
+ .name = "pcm1794a-codec",
|
|
+ .owner = THIS_MODULE,
|
|
+ .of_match_table = of_match_ptr(pcm1794a_of_match),
|
|
+ },
|
|
+};
|
|
+
|
|
+module_platform_driver(pcm1794a_codec_driver);
|
|
+
|
|
+MODULE_DESCRIPTION("ASoC PCM1794A codec driver");
|
|
+MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>");
|
|
+MODULE_LICENSE("GPL v2");
|