1 files changed, 0 insertions, 332 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0146-Added-IQaudIO-Pi-Codec-board-support-2969.patch b/target/linux/bcm27xx/patches-5.4/950-0146-Added-IQaudIO-Pi-Codec-board-support-2969.patch
deleted file mode 100644
index 2e4039c6b1..0000000000
--- a/target/linux/bcm27xx/patches-5.4/950-0146-Added-IQaudIO-Pi-Codec-board-support-2969.patch
+++ /dev/null
@@ -1,332 +0,0 @@
-From 1f912d3042032514c33736723300b3ed618ddd08 Mon Sep 17 00:00:00 2001
-From: IQaudIO <gordon@iqaudio.com>
-Date: Mon, 13 May 2019 21:53:05 +0100
-Subject: [PATCH] Added IQaudIO Pi-Codec board support (#2969)
-
-Add support for the IQaudIO Pi-Codec board.
-
-Signed-off-by: Gordon <gordon@iqaudio.com>
-
-Fixed 48k timing issue
-
-ASoC: iqaudio-codec: use modern dai_link style
-
-Signed-off-by: Hui Wang <hui.wang@canonical.com>
----
- sound/soc/bcm/Kconfig         |   7 +
- sound/soc/bcm/Makefile        |   2 +
- sound/soc/bcm/iqaudio-codec.c | 274 ++++++++++++++++++++++++++++++++++
- 3 files changed, 283 insertions(+)
- create mode 100644 sound/soc/bcm/iqaudio-codec.c
-
---- a/sound/soc/bcm/Kconfig
-+++ b/sound/soc/bcm/Kconfig
-@@ -104,6 +104,13 @@ config SND_BCM2708_SOC_JUSTBOOM_DIGI
- 	help
- 	  Say Y or M if you want to add support for JustBoom Digi.
- 
-+config SND_BCM2708_SOC_IQAUDIO_CODEC
-+	tristate "Support for IQaudIO-CODEC"
-+	depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
-+	select SND_SOC_DA7213
-+	help
-+	  Say Y or M if you want to add support for IQaudIO-CODEC.
-+
- 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
-@@ -18,6 +18,7 @@ snd-soc-hifiberry-dacplusadc-objs := hif
- snd-soc-justboom-dac-objs := justboom-dac.o
- snd-soc-rpi-cirrus-objs := rpi-cirrus.o
- snd-soc-rpi-proto-objs := rpi-proto.o
-+snd-soc-iqaudio-codec-objs := iqaudio-codec.o
- snd-soc-iqaudio-dac-objs := iqaudio-dac.o
-  snd-soc-i-sabre-q2m-objs := i-sabre-q2m.o
- snd-soc-audioinjector-pi-soundcard-objs := audioinjector-pi-soundcard.o
-@@ -41,6 +42,7 @@ obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_D
- obj-$(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
-+obj-$(CONFIG_SND_BCM2708_SOC_IQAUDIO_CODEC) += snd-soc-iqaudio-codec.o
- obj-$(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC) += snd-soc-iqaudio-dac.o
-  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
---- /dev/null
-+++ b/sound/soc/bcm/iqaudio-codec.c
-@@ -0,0 +1,274 @@
-+/*
-+ * ASoC Driver for IQaudIO Raspberry Pi Codec board
-+ *
-+ * Author:	Gordon Garrity <gordon@iqaudio.com>
-+ *		(C) Copyright IQaudio Limited, 2017-2019
-+ *
-+ * 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/gpio/consumer.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 <linux/acpi.h>
-+#include <linux/slab.h>
-+#include "../codecs/da7213.h"
-+
-+static int pll_out = DA7213_PLL_FREQ_OUT_90316800;
-+
-+static int snd_rpi_iqaudio_pll_control(struct snd_soc_dapm_widget *w,
-+				       struct snd_kcontrol *k, int  event)
-+{
-+	int ret = 0;
-+	struct snd_soc_dapm_context *dapm = w->dapm;
-+	struct snd_soc_card *card = dapm->card;
-+	struct snd_soc_pcm_runtime *rtd =
-+		snd_soc_get_pcm_runtime(card, card->dai_link[0].name);
-+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-+
-+	if (SND_SOC_DAPM_EVENT_OFF(event)) {
-+		ret = snd_soc_dai_set_pll(codec_dai, 0, DA7213_SYSCLK_MCLK, 0,
-+					  0);
-+		if (ret)
-+			dev_err(card->dev, "Failed to bypass PLL: %d\n", ret);
-+		/* Allow PLL time to bypass */
-+		msleep(100);
-+	} else if (SND_SOC_DAPM_EVENT_ON(event)) {
-+		ret = snd_soc_dai_set_pll(codec_dai, 0, DA7213_SYSCLK_PLL, 0,
-+					  pll_out);
-+		if (ret)
-+			dev_err(card->dev, "Failed to enable PLL: %d\n", ret);
-+		/* Allow PLL time to lock */
-+		msleep(100);
-+	}
-+
-+	return ret;
-+}
-+
-+static int snd_rpi_iqaudio_post_dapm_event(struct snd_soc_dapm_widget *w,
-+                              struct snd_kcontrol *kcontrol,
-+                              int event)
-+{
-+     switch (event) {
-+     case SND_SOC_DAPM_POST_PMU:
-+           /* Delay for mic bias ramp */
-+           msleep(1000);
-+           break;
-+     default:
-+           break;
-+     }
-+
-+     return 0;
-+}
-+
-+static const struct snd_kcontrol_new dapm_controls[] = {
-+	SOC_DAPM_PIN_SWITCH("HP Jack"),
-+	SOC_DAPM_PIN_SWITCH("MIC Jack"),
-+	SOC_DAPM_PIN_SWITCH("Onboard MIC"),
-+	SOC_DAPM_PIN_SWITCH("AUX Jack"),
-+};
-+
-+static const struct snd_soc_dapm_widget dapm_widgets[] = {
-+	SND_SOC_DAPM_HP("HP Jack", NULL),
-+	SND_SOC_DAPM_MIC("MIC Jack", NULL),
-+	SND_SOC_DAPM_MIC("Onboard MIC", NULL),
-+	SND_SOC_DAPM_LINE("AUX Jack", NULL),
-+	SND_SOC_DAPM_SUPPLY("PLL Control", SND_SOC_NOPM, 0, 0,
-+			    snd_rpi_iqaudio_pll_control,
-+			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
-+	SND_SOC_DAPM_POST("Post Power Up Event", snd_rpi_iqaudio_post_dapm_event),
-+};
-+
-+static const struct snd_soc_dapm_route audio_map[] = {
-+	{"HP Jack", NULL, "HPL"},
-+	{"HP Jack", NULL, "HPR"},
-+	{"HP Jack", NULL, "PLL Control"},
-+
-+	{"AUXR", NULL, "AUX Jack"},
-+	{"AUXL", NULL, "AUX Jack"},
-+	{"AUX Jack", NULL, "PLL Control"},
-+
-+	/* Assume Mic1 is linked to Headset and Mic2 to on-board mic */
-+	{"MIC1", NULL, "MIC Jack"},
-+	{"MIC Jack", NULL, "PLL Control"},
-+	{"MIC2", NULL, "Onboard MIC"},
-+	{"Onboard MIC", NULL, "PLL Control"},
-+};
-+
-+/* machine stream operations */
-+
-+static int snd_rpi_iqaudio_codec_init(struct snd_soc_pcm_runtime *rtd)
-+{
-+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-+	int ret;
-+
-+	/*
-+	 * Disable AUX Jack Pin by default to prevent PLL being enabled at
-+	 * startup. This avoids holding the PLL to a fixed SR config for
-+	 * subsequent streams.
-+	 *
-+	 * This pin can still be enabled later, as required by user-space.
-+	 */
-+	snd_soc_dapm_disable_pin(&rtd->card->dapm, "AUX Jack");
-+	snd_soc_dapm_sync(&rtd->card->dapm);
-+
-+	/* Set bclk ratio to align with codec's BCLK rate */
-+	ret = snd_soc_dai_set_bclk_ratio(cpu_dai, 64);
-+	if (ret) {
-+		dev_err(rtd->dev, "Failed to set CPU BLCK ratio\n");
-+		return ret;
-+	}
-+
-+	/* Set MCLK frequency to codec, onboard 11.2896MHz clock */
-+	return snd_soc_dai_set_sysclk(codec_dai, DA7213_CLKSRC_MCLK, 11289600,
-+				      SND_SOC_CLOCK_OUT);
-+}
-+
-+static int snd_rpi_iqaudio_codec_hw_params(struct snd_pcm_substream *substream,
-+					   struct snd_pcm_hw_params *params)
-+{
-+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-+	unsigned int samplerate = params_rate(params);
-+
-+	switch (samplerate) {
-+	case  8000:
-+	case 16000:
-+	case 32000:
-+	case 48000:
-+	case 96000:
-+		pll_out = DA7213_PLL_FREQ_OUT_98304000;
-+		return 0;
-+	case 44100:
-+	case 88200:
-+		pll_out = DA7213_PLL_FREQ_OUT_90316800;
-+		return 0;
-+	default:
-+		dev_err(rtd->dev,"Unsupported samplerate %d\n", samplerate);
-+		return -EINVAL;
-+	}
-+}
-+
-+static const struct snd_soc_ops snd_rpi_iqaudio_codec_ops = {
-+	.hw_params = snd_rpi_iqaudio_codec_hw_params,
-+};
-+
-+SND_SOC_DAILINK_DEFS(rpi_iqaudio,
-+	DAILINK_COMP_ARRAY(COMP_CPU("bcm2708-i2s.0")),
-+	DAILINK_COMP_ARRAY(COMP_CODEC("da7213.1-001a", "da7213-hifi")),
-+	DAILINK_COMP_ARRAY(COMP_PLATFORM("bcm2835-i2s.0")));
-+
-+static struct snd_soc_dai_link snd_rpi_iqaudio_codec_dai[] = {
-+{
-+	.dai_fmt 		= SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
-+				  SND_SOC_DAIFMT_CBM_CFM,
-+	.init			= snd_rpi_iqaudio_codec_init,
-+	.ops			= &snd_rpi_iqaudio_codec_ops,
-+	.symmetric_rates	= 1,
-+	.symmetric_channels	= 1,
-+	.symmetric_samplebits	= 1,
-+	SND_SOC_DAILINK_REG(rpi_iqaudio),
-+},
-+};
-+
-+/* audio machine driver */
-+static struct snd_soc_card snd_rpi_iqaudio_codec = {
-+	.owner			= THIS_MODULE,
-+	.dai_link		= snd_rpi_iqaudio_codec_dai,
-+	.num_links		= ARRAY_SIZE(snd_rpi_iqaudio_codec_dai),
-+	.controls		= dapm_controls,
-+	.num_controls		= ARRAY_SIZE(dapm_controls),
-+	.dapm_widgets		= dapm_widgets,
-+	.num_dapm_widgets	= ARRAY_SIZE(dapm_widgets),
-+	.dapm_routes		= audio_map,
-+	.num_dapm_routes	= ARRAY_SIZE(audio_map),
-+};
-+
-+static int snd_rpi_iqaudio_codec_probe(struct platform_device *pdev)
-+{
-+	int ret = 0;
-+
-+	snd_rpi_iqaudio_codec.dev = &pdev->dev;
-+
-+	if (pdev->dev.of_node) {
-+		struct device_node *i2s_node;
-+		struct snd_soc_card *card = &snd_rpi_iqaudio_codec;
-+		struct snd_soc_dai_link *dai = &snd_rpi_iqaudio_codec_dai[0];
-+
-+		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;
-+		}
-+
-+		if (of_property_read_string(pdev->dev.of_node, "card_name",
-+					    &card->name))
-+			card->name = "IQaudIOCODEC";
-+
-+		if (of_property_read_string(pdev->dev.of_node, "dai_name",
-+					    &dai->name))
-+			dai->name = "IQaudIO CODEC";
-+
-+		if (of_property_read_string(pdev->dev.of_node,
-+					"dai_stream_name", &dai->stream_name))
-+			dai->stream_name = "IQaudIO CODEC HiFi v1.2";
-+
-+	}
-+
-+	ret = snd_soc_register_card(&snd_rpi_iqaudio_codec);
-+	if (ret) {
-+		if (ret != -EPROBE_DEFER)
-+			dev_err(&pdev->dev,
-+				"snd_soc_register_card() failed: %d\n", ret);
-+		return ret;
-+	}
-+
-+	return 0;
-+}
-+
-+static int snd_rpi_iqaudio_codec_remove(struct platform_device *pdev)
-+{
-+	return snd_soc_unregister_card(&snd_rpi_iqaudio_codec);
-+}
-+
-+static const struct of_device_id iqaudio_of_match[] = {
-+	{ .compatible = "iqaudio,iqaudio-codec", },
-+	{},
-+};
-+
-+MODULE_DEVICE_TABLE(of, iqaudio_of_match);
-+
-+static struct platform_driver snd_rpi_iqaudio_codec_driver = {
-+	.driver = {
-+		.name   = "snd-rpi-iqaudio-codec",
-+		.owner  = THIS_MODULE,
-+		.of_match_table = iqaudio_of_match,
-+	},
-+	.probe          = snd_rpi_iqaudio_codec_probe,
-+	.remove         = snd_rpi_iqaudio_codec_remove,
-+};
-+
-+
-+
-+module_platform_driver(snd_rpi_iqaudio_codec_driver);
-+
-+MODULE_AUTHOR("Gordon Garrity <gordon@iqaudio.com>");
-+MODULE_DESCRIPTION("ASoC Driver for IQaudIO CODEC");
-+MODULE_LICENSE("GPL v2");