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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-02-04 19:02:53 +0100 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2020-02-04 19:14:13 +0100 |
commit | 84d555aa74434392b682fd9eb0fa701c89a046d6 (patch) | |
tree | bcc0a9bf058757da14054bce61a8cb8b8c9cd873 /target/linux/brcm2708/patches-4.19/950-0780-Allow-simultaneous-use-of-JustBoom-DAC-and-Digi.patch | |
parent | 953973c2991e8640549a55df7a0574a1abac8644 (diff) | |
download | upstream-84d555aa74434392b682fd9eb0fa701c89a046d6.tar.gz upstream-84d555aa74434392b682fd9eb0fa701c89a046d6.tar.bz2 upstream-84d555aa74434392b682fd9eb0fa701c89a046d6.zip |
brcm2708: update to latest patches from RPi foundation
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0780-Allow-simultaneous-use-of-JustBoom-DAC-and-Digi.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0780-Allow-simultaneous-use-of-JustBoom-DAC-and-Digi.patch | 435 |
1 files changed, 0 insertions, 435 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0780-Allow-simultaneous-use-of-JustBoom-DAC-and-Digi.patch b/target/linux/brcm2708/patches-4.19/950-0780-Allow-simultaneous-use-of-JustBoom-DAC-and-Digi.patch deleted file mode 100644 index c8b4820c93..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0780-Allow-simultaneous-use-of-JustBoom-DAC-and-Digi.patch +++ /dev/null @@ -1,435 +0,0 @@ -From 8f11db84e124da59b8a717d66fc424ef070f4be0 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 | 269 ++++++++++++++++++ - 11 files changed, 374 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 -@@ -102,6 +102,18 @@ 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 -@@ -16,6 +16,7 @@ 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 -@@ -42,6 +43,7 @@ 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 +1,269 @@ -+// 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, -+}; -+ -+static struct snd_soc_dai_link_component justboom_both_codecs[] = { -+{ -+ .dai_name = "wm8804-spdif", -+ .name = "wm8804.1-003b", -+}, -+{ -+ .dai_name = "pcm512x-hifi", -+ .name = "pcm512x.1-004d", -+}, -+}; -+ -+static struct snd_soc_dai_link snd_rpi_justboom_both_dai[] = { -+{ -+ .name = "JustBoom Digi", -+ .stream_name = "JustBoom Digi HiFi", -+ .cpu_dai_name = "bcm2708-i2s.0", -+ .platform_name = "bcm2708-i2s.0", -+ .codecs = justboom_both_codecs, -+ .num_codecs = ARRAY_SIZE(justboom_both_codecs), -+ .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, -+}, -+}; -+ -+/* 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; -+ -+ 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) { -+ 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_both); -+ 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"); |