bcm27xx: remove obsolete kernel 5.4

With the upgrade to kernel 5.10 per default the old version is no
longer required to be in tree.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

1 files changed, 0 insertions, 432 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0358-Allow-simultaneous-use-of-JustBoom-DAC-and-Digi.patch b/target/linux/bcm27xx/patches-5.4/950-0358-Allow-simultaneous-use-of-JustBoom-DAC-and-Digi.patch
deleted file mode 100644
index d0d1e28757..0000000000
--- a/target/linux/bcm27xx/patches-5.4/950-0358-Allow-simultaneous-use-of-JustBoom-DAC-and-Digi.patch
+++ /dev/null
@@ -1,432 +0,0 @@
-From eecd29a4a5ede49427e48ea27e372b96d11f3d04 Mon Sep 17 00:00:00 2001
-From: Johannes Krude <johannes@krude.de>
-Date: Sat, 16 Nov 2019 13:14:43 +0100
-Subject: [PATCH] Allow simultaneous use of JustBoom DAC and Digi
-
-Signed-off-by: Johannes Krude <johannes@krude.de>
----
- arch/arm/boot/dts/overlays/Makefile           |   1 +
- arch/arm/boot/dts/overlays/README             |  20 ++
- .../dts/overlays/justboom-both-overlay.dts    |  65 +++++
- sound/soc/bcm/Kconfig                         |  12 +
- sound/soc/bcm/Makefile                        |   2 +
- sound/soc/bcm/justboom-both.c                 | 266 ++++++++++++++++++
- 11 files changed, 371 insertions(+)
- create mode 100644 arch/arm/boot/dts/overlays/justboom-both-overlay.dts
- create mode 100644 sound/soc/bcm/justboom-both.c
-
---- a/arch/arm/boot/dts/overlays/Makefile
-+++ b/arch/arm/boot/dts/overlays/Makefile
-@@ -86,6 +86,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
- 	iqaudio-digi-wm8804-audio.dtbo \
- 	irs1125.dtbo \
- 	jedec-spi-nor.dtbo \
-+	justboom-both.dtbo \
- 	justboom-dac.dtbo \
- 	justboom-digi.dtbo \
- 	ltc294x.dtbo \
---- a/arch/arm/boot/dts/overlays/README
-+++ b/arch/arm/boot/dts/overlays/README
-@@ -1388,6 +1388,26 @@ Params: flash-spi<n>-<m>        Enables
-                                 on SPI<n>, CS#<m>.
- 
- 
-+Name:   justboom-both
-+Info:   Simultaneous usage of an justboom-dac and justboom-digi based
-+        card
-+Load:   dtoverlay=justboom-both,<param>=<val>
-+Params: 24db_digital_gain       Allow gain to be applied via the PCM512x codec
-+                                Digital volume control. Enable with
-+                                "dtoverlay=justboom-dac,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:   justboom-dac
- Info:   Configures the JustBoom DAC HAT, Amp HAT, DAC Zero and Amp Zero audio
-         cards
---- /dev/null
-+++ b/arch/arm/boot/dts/overlays/justboom-both-overlay.dts
-@@ -0,0 +1,65 @@
-+// SPDX-License-Identifier: GPL-2.0
-+// Definitions for JustBoom Both (Digi+DAC)
-+/dts-v1/;
-+/plugin/;
-+
-+/ {
-+	compatible = "brcm,bcm2835";
-+
-+	fragment@0 {
-+		target = <&i2s>;
-+		__overlay__ {
-+			status = "okay";
-+		};
-+	};
-+
-+	fragment@1 {
-+		target = <&i2c1>;
-+		__overlay__ {
-+			#address-cells = <1>;
-+			#size-cells = <0>;
-+			status = "okay";
-+
-+			wm8804@3b {
-+				#sound-dai-cells = <0>;
-+				compatible = "wlf,wm8804";
-+				reg = <0x3b>;
-+				PVDD-supply = <&vdd_3v3_reg>;
-+				DVDD-supply = <&vdd_3v3_reg>;
-+				status = "okay";
-+			};
-+		};
-+	};
-+
-+	fragment@2 {
-+		target = <&i2c1>;
-+		__overlay__ {
-+			#address-cells = <1>;
-+			#size-cells = <0>;
-+			status = "okay";
-+
-+			pcm5122@4d {
-+				#sound-dai-cells = <0>;
-+				compatible = "ti,pcm5122";
-+				reg = <0x4d>;
-+				AVDD-supply = <&vdd_3v3_reg>;
-+				DVDD-supply = <&vdd_3v3_reg>;
-+				CPVDD-supply = <&vdd_3v3_reg>;
-+				status = "okay";
-+			};
-+		};
-+	};
-+
-+	fragment@3 {
-+		target = <&sound>;
-+		frag3: __overlay__ {
-+			compatible = "justboom,justboom-both";
-+			i2s-controller = <&i2s>;
-+			status = "okay";
-+		};
-+	};
-+
-+	__overrides__ {
-+		24db_digital_gain = <&frag3>,"justboom,24db_digital_gain?";
-+	};
-+};
---- a/sound/soc/bcm/Kconfig
-+++ b/sound/soc/bcm/Kconfig
-@@ -105,6 +105,18 @@ 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_BOTH
-+	tristate "Support for simultaneous JustBoom Digi and JustBoom DAC"
-+	depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
-+	select SND_SOC_WM8804
-+	select SND_SOC_PCM512x
-+	help
-+		Say Y or M if you want to add support for simultaneous
-+		JustBoom Digi and JustBoom DAC.
-+
-+		This is not the right choice if you only have one but both of
-+		these cards.
-+
- config SND_BCM2708_SOC_JUSTBOOM_DAC
- 	tristate "Support for JustBoom DAC"
- 	depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
---- a/sound/soc/bcm/Makefile
-+++ b/sound/soc/bcm/Makefile
-@@ -17,6 +17,7 @@ snd-soc-hifiberry-dacplus-objs := hifibe
- snd-soc-hifiberry-dacplusadc-objs := hifiberry_dacplusadc.o
- snd-soc-hifiberry-dacplusadcpro-objs := hifiberry_dacplusadcpro.o
- snd-soc-hifiberry-dacplusdsp-objs := hifiberry_dacplusdsp.o
-+snd-soc-justboom-both-objs := justboom-both.o
- snd-soc-justboom-dac-objs := justboom-dac.o
- snd-soc-rpi-cirrus-objs := rpi-cirrus.o
- snd-soc-rpi-proto-objs := rpi-proto.o
-@@ -43,6 +44,7 @@ obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_D
- obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSADC) += snd-soc-hifiberry-dacplusadc.o
- obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSADCPRO) += snd-soc-hifiberry-dacplusadcpro.o
- obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSDSP) += snd-soc-hifiberry-dacplusdsp.o
-+obj-$(CONFIG_SND_BCM2708_SOC_JUSTBOOM_BOTH) += snd-soc-justboom-both.o
- 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
---- /dev/null
-+++ b/sound/soc/bcm/justboom-both.c
-@@ -0,0 +1,266 @@
-+// SPDX-License-Identifier: GPL-2.0
-+/*
-+ * rpi--wm8804.c -- ALSA SoC Raspberry Pi soundcard.
-+ *
-+ * Authors: Johannes Krude <johannes@krude.de
-+ *
-+ * Driver for when connecting simultaneously justboom-digi and justboom-dac
-+ *
-+ * Based upon code from:
-+ * justboom-digi.c
-+ * by Milan Neskovic <info@justboom.co>
-+ * justboom-dac.c
-+ * by Milan Neskovic <info@justboom.co>
-+ *
-+ * 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"
-+#include "../codecs/pcm512x.h"
-+
-+
-+static bool digital_gain_0db_limit = true;
-+
-+static int snd_rpi_justboom_both_init(struct snd_soc_pcm_runtime *rtd)
-+{
-+	struct snd_soc_component *digi = rtd->codec_dais[0]->component;
-+	struct snd_soc_component *dac = rtd->codec_dais[1]->component;
-+
-+	/* enable  TX output */
-+	snd_soc_component_update_bits(digi, WM8804_PWRDN, 0x4, 0x0);
-+
-+	snd_soc_component_update_bits(dac, PCM512x_GPIO_EN, 0x08, 0x08);
-+	snd_soc_component_update_bits(dac, PCM512x_GPIO_OUTPUT_4, 0xf, 0x02);
-+	snd_soc_component_update_bits(dac, 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_both_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_component *digi = rtd->codec_dais[0]->component;
-+	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(rtd->card->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(rtd->card->dev,
-+		"Failed to set WM8804 SYSCLK: %d\n", ret);
-+		return ret;
-+	}
-+
-+	/* Enable TX output */
-+	snd_soc_component_update_bits(digi, WM8804_PWRDN, 0x4, 0x0);
-+
-+	/* Power on */
-+	snd_soc_component_update_bits(digi, WM8804_PWRDN, 0x9, 0);
-+
-+	/* set sampling frequency status bits */
-+	snd_soc_component_update_bits(digi, WM8804_SPDTX4, 0x0f, sampling_freq);
-+
-+	return snd_soc_dai_set_bclk_ratio(cpu_dai, 64);
-+}
-+
-+static int snd_rpi_justboom_both_startup(struct snd_pcm_substream *substream)
-+{
-+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-+	struct snd_soc_component *digi = rtd->codec_dais[0]->component;
-+	struct snd_soc_component *dac = rtd->codec_dais[1]->component;
-+
-+	/* turn on digital output */
-+	snd_soc_component_update_bits(digi, WM8804_PWRDN, 0x3c, 0x00);
-+
-+	snd_soc_component_update_bits(dac, PCM512x_GPIO_CONTROL_1, 0x08, 0x08);
-+
-+	return 0;
-+}
-+
-+static void snd_rpi_justboom_both_shutdown(struct snd_pcm_substream *substream)
-+{
-+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-+	struct snd_soc_component *digi = rtd->codec_dais[0]->component;
-+	struct snd_soc_component *dac = rtd->codec_dais[1]->component;
-+
-+	snd_soc_component_update_bits(dac, PCM512x_GPIO_CONTROL_1, 0x08, 0x00);
-+
-+	/* turn off output */
-+	snd_soc_component_update_bits(digi, WM8804_PWRDN, 0x3c, 0x3c);
-+}
-+
-+/* machine stream operations */
-+static struct snd_soc_ops snd_rpi_justboom_both_ops = {
-+	.hw_params = snd_rpi_justboom_both_hw_params,
-+	.startup   = snd_rpi_justboom_both_startup,
-+	.shutdown  = snd_rpi_justboom_both_shutdown,
-+};
-+
-+SND_SOC_DAILINK_DEFS(rpi_justboom_both,
-+	DAILINK_COMP_ARRAY(COMP_CPU("bcm2708-i2s.0")),
-+	DAILINK_COMP_ARRAY(COMP_CODEC("pcm512x.1-004d", "pcm512x-hifi"),
-+			   COMP_CODEC("wm8804.1-003b", "wm8804-spdif")),
-+	DAILINK_COMP_ARRAY(COMP_PLATFORM("bcm2708-i2s.0")));
-+
-+static struct snd_soc_dai_link snd_rpi_justboom_both_dai[] = {
-+{
-+	.name           = "JustBoom Digi",
-+	.stream_name    = "JustBoom Digi HiFi",
-+	.dai_fmt        = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
-+					SND_SOC_DAIFMT_CBM_CFM,
-+	.ops            = &snd_rpi_justboom_both_ops,
-+	.init           = snd_rpi_justboom_both_init,
-+	SND_SOC_DAILINK_REG(rpi_justboom_both),
-+},
-+};
-+
-+/* audio machine driver */
-+static struct snd_soc_card snd_rpi_justboom_both = {
-+	.name             = "snd_rpi_justboom_both",
-+	.driver_name      = "JustBoomBoth",
-+	.owner            = THIS_MODULE,
-+	.dai_link         = snd_rpi_justboom_both_dai,
-+	.num_links        = ARRAY_SIZE(snd_rpi_justboom_both_dai),
-+};
-+
-+static int snd_rpi_justboom_both_probe(struct platform_device *pdev)
-+{
-+	int ret = 0;
-+	struct snd_soc_card *card = &snd_rpi_justboom_both;
-+
-+	snd_rpi_justboom_both.dev = &pdev->dev;
-+
-+	if (pdev->dev.of_node) {
-+		struct device_node *i2s_node;
-+		struct snd_soc_dai_link *dai = &snd_rpi_justboom_both_dai[0];
-+
-+		i2s_node = of_parse_phandle(pdev->dev.of_node,
-+					    "i2s-controller", 0);
-+
-+		if (i2s_node) {
-+			int i;
-+
-+			for (i = 0; i < card->num_links; i++) {
-+				dai->cpus->dai_name = NULL;
-+				dai->cpus->of_node = i2s_node;
-+				dai->platforms->name = NULL;
-+				dai->platforms->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(card);
-+	if (ret && ret != -EPROBE_DEFER) {
-+		dev_err(&pdev->dev,
-+			"snd_soc_register_card() failed: %d\n", ret);
-+	}
-+
-+	return ret;
-+}
-+
-+static int snd_rpi_justboom_both_remove(struct platform_device *pdev)
-+{
-+	return snd_soc_unregister_card(&snd_rpi_justboom_both);
-+}
-+
-+static const struct of_device_id snd_rpi_justboom_both_of_match[] = {
-+	{ .compatible = "justboom,justboom-both", },
-+	{},
-+};
-+MODULE_DEVICE_TABLE(of, snd_rpi_justboom_both_of_match);
-+
-+static struct platform_driver snd_rpi_justboom_both_driver = {
-+	.driver = {
-+		.name   = "snd-rpi-justboom-both",
-+		.owner  = THIS_MODULE,
-+		.of_match_table = snd_rpi_justboom_both_of_match,
-+	},
-+	.probe          = snd_rpi_justboom_both_probe,
-+	.remove         = snd_rpi_justboom_both_remove,
-+};
-+
-+module_platform_driver(snd_rpi_justboom_both_driver);
-+
-+MODULE_AUTHOR("Johannes Krude <johannes@krude.de>");
-+MODULE_DESCRIPTION("ASoC Driver for simultaneous use of JustBoom PI Digi & DAC HAT Sound Cards");
-+MODULE_LICENSE("GPL v2");