From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001 From: James <> Date: Wed, 4 Nov 2015 11:49:21 +0000 Subject: trunk-47381 --- .../patches-4.1/0168-RaspiDAC3-support.patch | 335 +++++++++++++++++++++ 1 file changed, 335 insertions(+) create mode 100644 target/linux/brcm2708/patches-4.1/0168-RaspiDAC3-support.patch (limited to 'target/linux/brcm2708/patches-4.1/0168-RaspiDAC3-support.patch') diff --git a/target/linux/brcm2708/patches-4.1/0168-RaspiDAC3-support.patch b/target/linux/brcm2708/patches-4.1/0168-RaspiDAC3-support.patch new file mode 100644 index 0000000..dc13aec --- /dev/null +++ b/target/linux/brcm2708/patches-4.1/0168-RaspiDAC3-support.patch @@ -0,0 +1,335 @@ +From a382428726be87f1d848772a4c1a619144a33c98 Mon Sep 17 00:00:00 2001 +From: Jan Grulich +Date: Mon, 24 Aug 2015 16:03:47 +0100 +Subject: [PATCH 168/203] RaspiDAC3 support + +Signed-off-by: Jan Grulich +--- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 6 + + arch/arm/boot/dts/overlays/raspidac3-overlay.dts | 45 ++++++ + arch/arm/configs/bcm2709_defconfig | 1 + + arch/arm/configs/bcmrpi_defconfig | 1 + + sound/soc/bcm/Kconfig | 8 + + sound/soc/bcm/Makefile | 2 + + sound/soc/bcm/raspidac3.c | 191 +++++++++++++++++++++++ + 8 files changed, 255 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/raspidac3-overlay.dts + create mode 100644 sound/soc/bcm/raspidac3.c + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -37,6 +37,7 @@ dtb-$(RPI_DT_OVERLAYS) += pitft28-resist + dtb-$(RPI_DT_OVERLAYS) += pps-gpio-overlay.dtb + dtb-$(RPI_DT_OVERLAYS) += pwm-overlay.dtb + dtb-$(RPI_DT_OVERLAYS) += pwm-2chan-overlay.dtb ++dtb-$(RPI_DT_OVERLAYS) += raspidac3-overlay.dtb + dtb-$(RPI_DT_OVERLAYS) += rpi-dac-overlay.dtb + dtb-$(RPI_DT_OVERLAYS) += rpi-display-overlay.dtb + dtb-$(RPI_DT_OVERLAYS) += rpi-ft5406-overlay.dtb +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -455,6 +455,12 @@ Params: pin Output + clock PWM clock frequency (informational) + + ++Name: raspidac3 ++Info: Configures the RaspiDAV Rev.3x audio card ++Load: dtoverlay=raspidac3 ++Params: ++ ++ + Name: rpi-dac + Info: Configures the RPi DAC audio card + Load: dtoverlay=rpi-dac +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/raspidac3-overlay.dts +@@ -0,0 +1,45 @@ ++// Definitions for RaspiDACv3 ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2708"; ++ ++ fragment@0 { ++ target = <&sound>; ++ __overlay__ { ++ compatible = "jg,raspidacv3"; ++ i2s-controller = <&i2s>; ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&i2s>; ++ __overlay__ { ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@2 { ++ target = <&i2c1>; ++ __overlay__ { ++ #address-cells = <1>; ++ #size-cells = <0>; ++ status = "okay"; ++ ++ pcm5122@4c { ++ #sound-dai-cells = <0>; ++ compatible = "ti,pcm5122"; ++ reg = <0x4c>; ++ status = "okay"; ++ }; ++ ++ tpa6130a2: tpa6130a2@60 { ++ compatible = "ti,tpa6130a2"; ++ reg = <0x60>; ++ status = "okay"; ++ }; ++ }; ++ }; ++}; +--- a/arch/arm/configs/bcm2709_defconfig ++++ b/arch/arm/configs/bcm2709_defconfig +@@ -830,6 +830,7 @@ CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP=m + CONFIG_SND_BCM2708_SOC_RPI_DAC=m + CONFIG_SND_BCM2708_SOC_RPI_PROTO=m + CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC=m ++CONFIG_SND_BCM2708_SOC_RASPIDAC3=m + CONFIG_SND_SOC_WM8804_I2C=m + CONFIG_SND_SIMPLE_CARD=m + CONFIG_SOUND_PRIME=m +--- a/arch/arm/configs/bcmrpi_defconfig ++++ b/arch/arm/configs/bcmrpi_defconfig +@@ -823,6 +823,7 @@ CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP=m + CONFIG_SND_BCM2708_SOC_RPI_DAC=m + CONFIG_SND_BCM2708_SOC_RPI_PROTO=m + CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC=m ++CONFIG_SND_BCM2708_SOC_RASPIDAC3=m + CONFIG_SND_SOC_WM8804_I2C=m + CONFIG_SND_SIMPLE_CARD=m + CONFIG_SOUND_PRIME=m +--- a/sound/soc/bcm/Kconfig ++++ b/sound/soc/bcm/Kconfig +@@ -67,3 +67,11 @@ config SND_BCM2708_SOC_IQAUDIO_DAC + select SND_SOC_PCM512x_I2C + help + Say Y or M if you want to add support for IQaudIO-DAC. ++ ++config SND_BCM2708_SOC_RASPIDAC3 ++ tristate "Support for RaspiDAC Rev.3x" ++ depends on SND_BCM2708_SOC_I2S ++ select SND_SOC_PCM512x_I2C ++ select SND_SOC_TPA6130A2 ++ help ++ Say Y or M if you want to add support for RaspiDAC Rev.3x. +--- a/sound/soc/bcm/Makefile ++++ b/sound/soc/bcm/Makefile +@@ -16,6 +16,7 @@ snd-soc-hifiberry-amp-objs := hifiberry_ + snd-soc-rpi-dac-objs := rpi-dac.o + snd-soc-rpi-proto-objs := rpi-proto.o + snd-soc-iqaudio-dac-objs := iqaudio-dac.o ++snd-soc-raspidac3-objs := raspidac3.o + + obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) += snd-soc-hifiberry-dac.o + obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) += snd-soc-hifiberry-dacplus.o +@@ -24,3 +25,4 @@ obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_A + obj-$(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 ++obj-$(CONFIG_SND_BCM2708_SOC_RASPIDAC3) += snd-soc-raspidac3.o +--- /dev/null ++++ b/sound/soc/bcm/raspidac3.c +@@ -0,0 +1,191 @@ ++/* ++ * ASoC Driver for RaspiDAC v3 ++ * ++ * Author: Jan Grulich ++ * Copyright 2015 ++ * based on code by Daniel Matuschek ++ * based on code by Florian Meier ++ * ++ * 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 ++#include ++ ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include "../codecs/pcm512x.h" ++#include "../codecs/tpa6130a2.h" ++ ++/* sound card init */ ++static int snd_rpi_raspidac3_init(struct snd_soc_pcm_runtime *rtd) ++{ ++ int ret; ++ struct snd_soc_card *card = rtd->card; ++ 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, 0x08,0x00); ++ ++ ret = snd_soc_limit_volume(codec, "Digital Playback Volume", 207); ++ if (ret < 0) ++ dev_warn(card->dev, "Failed to set volume limit: %d\n", ret); ++ else { ++ struct snd_kcontrol *kctl; ++ ++ ret = tpa6130a2_add_controls(codec); ++ if (ret < 0) ++ dev_warn(card->dev, "Failed to add TPA6130A2 controls: %d\n", ++ ret); ++ ret = snd_soc_limit_volume(codec, ++ "TPA6130A2 Headphone Playback Volume", ++ 54); ++ if (ret < 0) ++ dev_warn(card->dev, "Failed to set TPA6130A2 volume limit: %d\n", ++ ret); ++ kctl = snd_soc_card_get_kcontrol(card, ++ "TPA6130A2 Headphone Playback Volume"); ++ if (kctl) { ++ strcpy(kctl->id.name, "Headphones Playback Volume"); ++ /* disable the volume dB scale so alsamixer works */ ++ kctl->vd[0].access = SNDRV_CTL_ELEM_ACCESS_READWRITE; ++ } ++ ++ kctl = snd_soc_card_get_kcontrol(card, ++ "TPA6130A2 Headphone Playback Switch"); ++ if (kctl) ++ strcpy(kctl->id.name, "Headphones Playback Switch"); ++ } ++ ++ return 0; ++} ++ ++/* set hw parameters */ ++static int snd_rpi_raspidac3_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; ++ ++ unsigned int sample_bits = ++ snd_pcm_format_physical_width(params_format(params)); ++ ++ return snd_soc_dai_set_bclk_ratio(cpu_dai, sample_bits * 2); ++} ++ ++/* startup */ ++static int snd_rpi_raspidac3_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); ++ tpa6130a2_stereo_enable(codec, 1); ++ return 0; ++} ++ ++/* shutdown */ ++static void snd_rpi_raspidac3_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); ++ tpa6130a2_stereo_enable(codec, 0); ++} ++ ++/* machine stream operations */ ++static struct snd_soc_ops snd_rpi_raspidac3_ops = { ++ .hw_params = snd_rpi_raspidac3_hw_params, ++ .startup = snd_rpi_raspidac3_startup, ++ .shutdown = snd_rpi_raspidac3_shutdown, ++}; ++ ++/* interface setup */ ++static struct snd_soc_dai_link snd_rpi_raspidac3_dai[] = { ++{ ++ .name = "RaspiDAC Rev.3x", ++ .stream_name = "RaspiDAC HiFi", ++ .cpu_dai_name = "bcm2708-i2s.0", ++ .codec_dai_name = "pcm512x-hifi", ++ .platform_name = "bcm2708-i2s.0", ++ .codec_name = "pcm512x.1-004c", ++ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | ++ SND_SOC_DAIFMT_CBS_CFS, ++ .ops = &snd_rpi_raspidac3_ops, ++ .init = snd_rpi_raspidac3_init, ++}, ++}; ++ ++/* audio machine driver */ ++static struct snd_soc_card snd_rpi_raspidac3 = { ++ .name = "RaspiDAC Rev.3x HiFi Audio Card", ++ .dai_link = snd_rpi_raspidac3_dai, ++ .num_links = ARRAY_SIZE(snd_rpi_raspidac3_dai), ++}; ++ ++/* sound card test */ ++static int snd_rpi_raspidac3_probe(struct platform_device *pdev) ++{ ++ int ret = 0; ++ ++ snd_rpi_raspidac3.dev = &pdev->dev; ++ ++ if (pdev->dev.of_node) { ++ struct device_node *i2s_node; ++ struct snd_soc_dai_link *dai = &snd_rpi_raspidac3_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_raspidac3); ++ if (ret) ++ dev_err(&pdev->dev, ++ "snd_soc_register_card() failed: %d\n", ret); ++ ++ return ret; ++} ++ ++/* sound card disconnect */ ++static int snd_rpi_raspidac3_remove(struct platform_device *pdev) ++{ ++ return snd_soc_unregister_card(&snd_rpi_raspidac3); ++} ++ ++static const struct of_device_id raspidac3_of_match[] = { ++ { .compatible = "jg,raspidacv3", }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, raspidac3_of_match); ++ ++/* sound card platform driver */ ++static struct platform_driver snd_rpi_raspidac3_driver = { ++ .driver = { ++ .name = "snd-rpi-raspidac3", ++ .owner = THIS_MODULE, ++ .of_match_table = raspidac3_of_match, ++ }, ++ .probe = snd_rpi_raspidac3_probe, ++ .remove = snd_rpi_raspidac3_remove, ++}; ++ ++module_platform_driver(snd_rpi_raspidac3_driver); ++ ++MODULE_AUTHOR("Jan Grulich "); ++MODULE_DESCRIPTION("ASoC Driver for RaspiDAC Rev.3x"); ++MODULE_LICENSE("GPL v2"); -- cgit v1.2.3