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-rw-r--r--target/linux/brcm2708/patches-4.9/950-0077-Add-Support-for-JustBoom-Audio-boards.patch446
1 files changed, 0 insertions, 446 deletions
diff --git a/target/linux/brcm2708/patches-4.9/950-0077-Add-Support-for-JustBoom-Audio-boards.patch b/target/linux/brcm2708/patches-4.9/950-0077-Add-Support-for-JustBoom-Audio-boards.patch
deleted file mode 100644
index 96545872f1..0000000000
--- a/target/linux/brcm2708/patches-4.9/950-0077-Add-Support-for-JustBoom-Audio-boards.patch
+++ /dev/null
@@ -1,446 +0,0 @@
-From 4a8ebf575ea143c14fd815ecd1f5398b6a6aee67 Mon Sep 17 00:00:00 2001
-From: Aaron Shaw <shawaj@gmail.com>
-Date: Thu, 7 Apr 2016 21:26:21 +0100
-Subject: [PATCH] Add Support for JustBoom Audio boards
-
-justboom-dac: Adjust for ALSA API change
-
-As of 4.4, snd_soc_limit_volume now takes a struct snd_soc_card *
-rather than a struct snd_soc_codec *.
-
-Signed-off-by: Phil Elwell <phil@raspberrypi.org>
----
- sound/soc/bcm/Kconfig | 14 +++
- sound/soc/bcm/Makefile | 4 +
- sound/soc/bcm/justboom-dac.c | 162 +++++++++++++++++++++++++++++++
- sound/soc/bcm/justboom-digi.c | 215 ++++++++++++++++++++++++++++++++++++++++++
- 4 files changed, 395 insertions(+)
- create mode 100644 sound/soc/bcm/justboom-dac.c
- create mode 100644 sound/soc/bcm/justboom-digi.c
-
---- a/sound/soc/bcm/Kconfig
-+++ b/sound/soc/bcm/Kconfig
-@@ -59,6 +59,20 @@ config SND_BCM2708_SOC_RPI_PROTO
- help
- Say Y or M if you want to add support for Audio Codec Board PROTO (WM8731).
-
-+config SND_BCM2708_SOC_JUSTBOOM_DAC
-+ tristate "Support for JustBoom DAC"
-+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
-+ select SND_SOC_PCM512x
-+ help
-+ Say Y or M if you want to add support for JustBoom DAC.
-+
-+config SND_BCM2708_SOC_JUSTBOOM_DIGI
-+ tristate "Support for JustBoom Digi"
-+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
-+ select SND_SOC_WM8804
-+ help
-+ Say Y or M if you want to add support for JustBoom Digi.
-+
- config SND_BCM2708_SOC_IQAUDIO_DAC
- tristate "Support for IQaudIO-DAC"
- depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
---- a/sound/soc/bcm/Makefile
-+++ b/sound/soc/bcm/Makefile
-@@ -13,6 +13,8 @@ snd-soc-hifiberry-amp-objs := hifiberry_
- snd-soc-hifiberry-dac-objs := hifiberry_dac.o
- snd-soc-hifiberry-dacplus-objs := hifiberry_dacplus.o
- snd-soc-hifiberry-digi-objs := hifiberry_digi.o
-+snd-soc-justboom-dac-objs := justboom-dac.o
-+snd-soc-justboom-digi-objs := justboom-digi.o
- snd-soc-rpi-dac-objs := rpi-dac.o
- snd-soc-rpi-proto-objs := rpi-proto.o
- snd-soc-iqaudio-dac-objs := iqaudio-dac.o
-@@ -22,6 +24,8 @@ obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_A
- obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) += snd-soc-hifiberry-dac.o
- obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) += snd-soc-hifiberry-dacplus.o
- obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DIGI) += snd-soc-hifiberry-digi.o
-+obj-$(CONFIG_SND_BCM2708_SOC_JUSTBOOM_DAC) += snd-soc-justboom-dac.o
-+obj-$(CONFIG_SND_BCM2708_SOC_JUSTBOOM_DIGI) += snd-soc-justboom-digi.o
- obj-$(CONFIG_SND_BCM2708_SOC_RPI_DAC) += snd-soc-rpi-dac.o
- obj-$(CONFIG_SND_BCM2708_SOC_RPI_PROTO) += snd-soc-rpi-proto.o
- obj-$(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) += snd-soc-iqaudio-dac.o
---- /dev/null
-+++ b/sound/soc/bcm/justboom-dac.c
-@@ -0,0 +1,162 @@
-+/*
-+ * ASoC Driver for JustBoom DAC Raspberry Pi HAT Sound Card
-+ *
-+ * Author: Milan Neskovic
-+ * Copyright 2016
-+ * based on code by Daniel Matuschek <info@crazy-audio.com>
-+ * based on code by Florian Meier <florian.meier@koalo.de>
-+ *
-+ * 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>
-+
-+#include "../codecs/pcm512x.h"
-+
-+static bool digital_gain_0db_limit = true;
-+
-+static int snd_rpi_justboom_dac_init(struct snd_soc_pcm_runtime *rtd)
-+{
-+ struct snd_soc_codec *codec = rtd->codec;
-+ snd_soc_update_bits(codec, PCM512x_GPIO_EN, 0x08, 0x08);
-+ snd_soc_update_bits(codec, PCM512x_GPIO_OUTPUT_4, 0xf, 0x02);
-+ snd_soc_update_bits(codec, PCM512x_GPIO_CONTROL_1, 0x08,0x08);
-+
-+ 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_justboom_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, 64);*/
-+ unsigned int sample_bits =
-+ snd_pcm_format_physical_width(params_format(params));
-+ return snd_soc_dai_set_bclk_ratio(cpu_dai, sample_bits * 2);
-+}
-+
-+static int snd_rpi_justboom_dac_startup(struct snd_pcm_substream *substream) {
-+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
-+ struct snd_soc_codec *codec = rtd->codec;
-+ snd_soc_update_bits(codec, PCM512x_GPIO_CONTROL_1, 0x08,0x08);
-+ return 0;
-+}
-+
-+static void snd_rpi_justboom_dac_shutdown(struct snd_pcm_substream *substream) {
-+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
-+ struct snd_soc_codec *codec = rtd->codec;
-+ snd_soc_update_bits(codec, PCM512x_GPIO_CONTROL_1, 0x08,0x00);
-+}
-+
-+/* machine stream operations */
-+static struct snd_soc_ops snd_rpi_justboom_dac_ops = {
-+ .hw_params = snd_rpi_justboom_dac_hw_params,
-+ .startup = snd_rpi_justboom_dac_startup,
-+ .shutdown = snd_rpi_justboom_dac_shutdown,
-+};
-+
-+static struct snd_soc_dai_link snd_rpi_justboom_dac_dai[] = {
-+{
-+ .name = "JustBoom DAC",
-+ .stream_name = "JustBoom DAC HiFi",
-+ .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_justboom_dac_ops,
-+ .init = snd_rpi_justboom_dac_init,
-+},
-+};
-+
-+/* audio machine driver */
-+static struct snd_soc_card snd_rpi_justboom_dac = {
-+ .name = "snd_rpi_justboom_dac",
-+ .owner = THIS_MODULE,
-+ .dai_link = snd_rpi_justboom_dac_dai,
-+ .num_links = ARRAY_SIZE(snd_rpi_justboom_dac_dai),
-+};
-+
-+static int snd_rpi_justboom_dac_probe(struct platform_device *pdev)
-+{
-+ int ret = 0;
-+
-+ snd_rpi_justboom_dac.dev = &pdev->dev;
-+
-+ if (pdev->dev.of_node) {
-+ struct device_node *i2s_node;
-+ struct snd_soc_dai_link *dai = &snd_rpi_justboom_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;
-+ }
-+
-+ digital_gain_0db_limit = !of_property_read_bool(
-+ pdev->dev.of_node, "justboom,24db_digital_gain");
-+ }
-+
-+ ret = snd_soc_register_card(&snd_rpi_justboom_dac);
-+ if (ret)
-+ dev_err(&pdev->dev,
-+ "snd_soc_register_card() failed: %d\n", ret);
-+
-+ return ret;
-+}
-+
-+static int snd_rpi_justboom_dac_remove(struct platform_device *pdev)
-+{
-+ return snd_soc_unregister_card(&snd_rpi_justboom_dac);
-+}
-+
-+static const struct of_device_id snd_rpi_justboom_dac_of_match[] = {
-+ { .compatible = "justboom,justboom-dac", },
-+ {},
-+};
-+MODULE_DEVICE_TABLE(of, snd_rpi_justboom_dac_of_match);
-+
-+static struct platform_driver snd_rpi_justboom_dac_driver = {
-+ .driver = {
-+ .name = "snd-rpi-justboom-dac",
-+ .owner = THIS_MODULE,
-+ .of_match_table = snd_rpi_justboom_dac_of_match,
-+ },
-+ .probe = snd_rpi_justboom_dac_probe,
-+ .remove = snd_rpi_justboom_dac_remove,
-+};
-+
-+module_platform_driver(snd_rpi_justboom_dac_driver);
-+
-+MODULE_AUTHOR("Milan Neskovic <info@justboom.co>");
-+MODULE_DESCRIPTION("ASoC Driver for JustBoom PI DAC HAT Sound Card");
-+MODULE_LICENSE("GPL v2");
---- /dev/null
-+++ b/sound/soc/bcm/justboom-digi.c
-@@ -0,0 +1,215 @@
-+/*
-+ * ASoC Driver for JustBoom Raspberry Pi Digi HAT Sound Card
-+ *
-+ * Author: Milan Neskovic
-+ * Copyright 2016
-+ * based on code by Daniel Matuschek <info@crazy-audio.com>
-+ * based on code by Florian Meier <florian.meier@koalo.de>
-+ *
-+ * 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>
-+
-+#include "../codecs/wm8804.h"
-+
-+static int snd_rpi_justboom_digi_init(struct snd_soc_pcm_runtime *rtd)
-+{
-+ struct snd_soc_codec *codec = rtd->codec;
-+
-+ /* enable TX output */
-+ snd_soc_update_bits(codec, WM8804_PWRDN, 0x4, 0x0);
-+
-+ return 0;
-+}
-+
-+static int snd_rpi_justboom_digi_startup(struct snd_pcm_substream *substream) {
-+ /* turn on digital output */
-+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
-+ struct snd_soc_codec *codec = rtd->codec;
-+ snd_soc_update_bits(codec, WM8804_PWRDN, 0x3c, 0x00);
-+ return 0;
-+}
-+
-+static void snd_rpi_justboom_digi_shutdown(struct snd_pcm_substream *substream) {
-+ /* turn off output */
-+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
-+ struct snd_soc_codec *codec = rtd->codec;
-+ snd_soc_update_bits(codec, WM8804_PWRDN, 0x3c, 0x3c);
-+}
-+
-+static int snd_rpi_justboom_digi_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 *codec_dai = rtd->codec_dai;
-+ struct snd_soc_codec *codec = rtd->codec;
-+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-+
-+ int sysclk = 27000000; /* This is fixed on this board */
-+
-+ long mclk_freq=0;
-+ int mclk_div=1;
-+ int sampling_freq=1;
-+
-+ int ret;
-+
-+ int samplerate = params_rate(params);
-+
-+ if (samplerate<=96000) {
-+ mclk_freq=samplerate*256;
-+ mclk_div=WM8804_MCLKDIV_256FS;
-+ } else {
-+ mclk_freq=samplerate*128;
-+ mclk_div=WM8804_MCLKDIV_128FS;
-+ }
-+
-+ switch (samplerate) {
-+ case 32000:
-+ sampling_freq=0x03;
-+ break;
-+ case 44100:
-+ sampling_freq=0x00;
-+ break;
-+ case 48000:
-+ sampling_freq=0x02;
-+ break;
-+ case 88200:
-+ sampling_freq=0x08;
-+ break;
-+ case 96000:
-+ sampling_freq=0x0a;
-+ break;
-+ case 176400:
-+ sampling_freq=0x0c;
-+ break;
-+ case 192000:
-+ sampling_freq=0x0e;
-+ break;
-+ default:
-+ dev_err(codec->dev,
-+ "Failed to set WM8804 SYSCLK, unsupported samplerate %d\n",
-+ samplerate);
-+ }
-+
-+ snd_soc_dai_set_clkdiv(codec_dai, WM8804_MCLK_DIV, mclk_div);
-+ snd_soc_dai_set_pll(codec_dai, 0, 0, sysclk, mclk_freq);
-+
-+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8804_TX_CLKSRC_PLL,
-+ sysclk, SND_SOC_CLOCK_OUT);
-+ if (ret < 0) {
-+ dev_err(codec->dev,
-+ "Failed to set WM8804 SYSCLK: %d\n", ret);
-+ return ret;
-+ }
-+
-+ /* Enable TX output */
-+ snd_soc_update_bits(codec, WM8804_PWRDN, 0x4, 0x0);
-+
-+ /* Power on */
-+ snd_soc_update_bits(codec, WM8804_PWRDN, 0x9, 0);
-+
-+ /* set sampling frequency status bits */
-+ snd_soc_update_bits(codec, WM8804_SPDTX4, 0x0f, sampling_freq);
-+
-+ return snd_soc_dai_set_bclk_ratio(cpu_dai,64);
-+}
-+
-+/* machine stream operations */
-+static struct snd_soc_ops snd_rpi_justboom_digi_ops = {
-+ .hw_params = snd_rpi_justboom_digi_hw_params,
-+ .startup = snd_rpi_justboom_digi_startup,
-+ .shutdown = snd_rpi_justboom_digi_shutdown,
-+};
-+
-+static struct snd_soc_dai_link snd_rpi_justboom_digi_dai[] = {
-+{
-+ .name = "JustBoom Digi",
-+ .stream_name = "JustBoom Digi HiFi",
-+ .cpu_dai_name = "bcm2708-i2s.0",
-+ .codec_dai_name = "wm8804-spdif",
-+ .platform_name = "bcm2708-i2s.0",
-+ .codec_name = "wm8804.1-003b",
-+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
-+ SND_SOC_DAIFMT_CBM_CFM,
-+ .ops = &snd_rpi_justboom_digi_ops,
-+ .init = snd_rpi_justboom_digi_init,
-+},
-+};
-+
-+/* audio machine driver */
-+static struct snd_soc_card snd_rpi_justboom_digi = {
-+ .name = "snd_rpi_justboom_digi",
-+ .owner = THIS_MODULE,
-+ .dai_link = snd_rpi_justboom_digi_dai,
-+ .num_links = ARRAY_SIZE(snd_rpi_justboom_digi_dai),
-+};
-+
-+static int snd_rpi_justboom_digi_probe(struct platform_device *pdev)
-+{
-+ int ret = 0;
-+
-+ snd_rpi_justboom_digi.dev = &pdev->dev;
-+
-+ if (pdev->dev.of_node) {
-+ struct device_node *i2s_node;
-+ struct snd_soc_dai_link *dai = &snd_rpi_justboom_digi_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_justboom_digi);
-+ if (ret)
-+ dev_err(&pdev->dev,
-+ "snd_soc_register_card() failed: %d\n", ret);
-+
-+ return ret;
-+}
-+
-+static int snd_rpi_justboom_digi_remove(struct platform_device *pdev)
-+{
-+ return snd_soc_unregister_card(&snd_rpi_justboom_digi);
-+}
-+
-+static const struct of_device_id snd_rpi_justboom_digi_of_match[] = {
-+ { .compatible = "justboom,justboom-digi", },
-+ {},
-+};
-+MODULE_DEVICE_TABLE(of, snd_rpi_justboom_digi_of_match);
-+
-+static struct platform_driver snd_rpi_justboom_digi_driver = {
-+ .driver = {
-+ .name = "snd-rpi-justboom-digi",
-+ .owner = THIS_MODULE,
-+ .of_match_table = snd_rpi_justboom_digi_of_match,
-+ },
-+ .probe = snd_rpi_justboom_digi_probe,
-+ .remove = snd_rpi_justboom_digi_remove,
-+};
-+
-+module_platform_driver(snd_rpi_justboom_digi_driver);
-+
-+MODULE_AUTHOR("Milan Neskovic <info@justboom.co>");
-+MODULE_DESCRIPTION("ASoC Driver for JustBoom PI Digi HAT Sound Card");
-+MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-04 14:24:24 +0000