diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.9/950-0076-RaspiDAC3-support.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.9/950-0076-RaspiDAC3-support.patch | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/target/linux/brcm2708/patches-4.9/950-0076-RaspiDAC3-support.patch b/target/linux/brcm2708/patches-4.9/950-0076-RaspiDAC3-support.patch deleted file mode 100644 index de68bbf6b6..0000000000 --- a/target/linux/brcm2708/patches-4.9/950-0076-RaspiDAC3-support.patch +++ /dev/null @@ -1,238 +0,0 @@ -From b545537294ffc7e21fcc5e0c78ea8ac20c9ecd3f Mon Sep 17 00:00:00 2001 -From: Jan Grulich <jan@grulich.eu> -Date: Mon, 24 Aug 2015 16:03:47 +0100 -Subject: [PATCH] RaspiDAC3 support - -Signed-off-by: Jan Grulich <jan@grulich.eu> - -config: fix RaspiDAC Rev.3x dependencies - -Change depends to SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S -like the other I2S soundcard drivers. - -Signed-off-by: Matthias Reichl <hias@horus.com> ---- - sound/soc/bcm/Kconfig | 8 ++ - sound/soc/bcm/Makefile | 2 + - sound/soc/bcm/raspidac3.c | 186 ++++++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 196 insertions(+) - create mode 100644 sound/soc/bcm/raspidac3.c - ---- a/sound/soc/bcm/Kconfig -+++ b/sound/soc/bcm/Kconfig -@@ -65,3 +65,11 @@ 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 || SND_BCM2835_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-digi-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-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_AMP) += snd-soc-hifiberry-amp.o - obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) += snd-soc-hifiberry-dac.o -@@ -24,3 +25,4 @@ obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_D - obj-$(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 +1,186 @@ -+/* -+ * ASoC Driver for RaspiDAC v3 -+ * -+ * Author: Jan Grulich <jan@grulich.eu> -+ * Copyright 2015 -+ * based on code by Daniel Matuschek <daniel@hifiberry.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 <sound/soc-dapm.h> -+ -+#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(card, "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 = snd_soc_limit_volume(card, -+ "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); -+ 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); -+} -+ -+/* 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", -+ .owner = THIS_MODULE, -+ .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 <jan@grulich.eu>"); -+MODULE_DESCRIPTION("ASoC Driver for RaspiDAC Rev.3x"); -+MODULE_LICENSE("GPL v2"); |