diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0086-Add-support-for-the-AudioInjector.net-Octo-sound-car.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0086-Add-support-for-the-AudioInjector.net-Octo-sound-car.patch | 404 |
1 files changed, 0 insertions, 404 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0086-Add-support-for-the-AudioInjector.net-Octo-sound-car.patch b/target/linux/brcm2708/patches-4.14/950-0086-Add-support-for-the-AudioInjector.net-Octo-sound-car.patch deleted file mode 100644 index d396483985..0000000000 --- a/target/linux/brcm2708/patches-4.14/950-0086-Add-support-for-the-AudioInjector.net-Octo-sound-car.patch +++ /dev/null @@ -1,404 +0,0 @@ -From 9dc67d61a5cd72eb80482aa1540e08a51e37172c Mon Sep 17 00:00:00 2001 -From: Matt Flax <flatmax@flatmax.org> -Date: Wed, 8 Mar 2017 20:04:13 +1100 -Subject: [PATCH 086/454] Add support for the AudioInjector.net Octo sound card - -AudioInjector Octo: sample rates, regulators, reset - -This patch adds new sample rates to the Audioinjector Octo sound card. The -new supported rates are (in kHz) : -96, 48, 32, 24, 16, 8, 88.2, 44.1, 29.4, 22.05, 14.7 - -Reference the bcm270x DT regulators in the overlay. - -This patch adds a reset GPIO for the AudioInjector.net octo sound card. - -Audioinjector octo : Make the playback and capture symmetric - -This patch ensures that the sample rate and channel count of the audioinjector -octo sound card are symmetric. ---- - sound/soc/bcm/Kconfig | 7 + - sound/soc/bcm/Makefile | 2 + - sound/soc/bcm/audioinjector-octo-soundcard.c | 341 +++++++++++++++++++ - 3 files changed, 350 insertions(+) - create mode 100644 sound/soc/bcm/audioinjector-octo-soundcard.c - ---- a/sound/soc/bcm/Kconfig -+++ b/sound/soc/bcm/Kconfig -@@ -119,6 +119,13 @@ config SND_AUDIOINJECTOR_PI_SOUNDCARD - help - Say Y or M if you want to add support for audioinjector.net Pi Hat - -+config SND_AUDIOINJECTOR_OCTO_SOUNDCARD -+ tristate "Support for audioinjector.net Octo channel (Hat) soundcard" -+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S -+ select SND_SOC_CS42XX8_I2C -+ help -+ Say Y or M if you want to add support for audioinjector.net octo add on -+ - config SND_DIGIDAC1_SOUNDCARD - tristate "Support for Red Rocks Audio DigiDAC1" - depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S ---- a/sound/soc/bcm/Makefile -+++ b/sound/soc/bcm/Makefile -@@ -23,6 +23,7 @@ snd-soc-iqaudio-dac-objs := iqaudio-dac. - snd-soc-iqaudio-digi-objs := iqaudio_digi.o - snd-soc-raspidac3-objs := raspidac3.o - snd-soc-audioinjector-pi-soundcard-objs := audioinjector-pi-soundcard.o -+snd-soc-audioinjector-octo-soundcard-objs := audioinjector-octo-soundcard.o - snd-soc-digidac1-soundcard-objs := digidac1-soundcard.o - snd-soc-dionaudio-loco-objs := dionaudio_loco.o - snd-soc-dionaudio-loco-v2-objs := dionaudio_loco-v2.o -@@ -46,6 +47,7 @@ obj-$(CONFIG_SND_BCM2708_SOC_IQAUDIO_DAC - obj-$(CONFIG_SND_BCM2708_SOC_IQAUDIO_DIGI) += snd-soc-iqaudio-digi.o - obj-$(CONFIG_SND_BCM2708_SOC_RASPIDAC3) += snd-soc-raspidac3.o - obj-$(CONFIG_SND_AUDIOINJECTOR_PI_SOUNDCARD) += snd-soc-audioinjector-pi-soundcard.o -+obj-$(CONFIG_SND_AUDIOINJECTOR_OCTO_SOUNDCARD) += snd-soc-audioinjector-octo-soundcard.o - obj-$(CONFIG_SND_DIGIDAC1_SOUNDCARD) += snd-soc-digidac1-soundcard.o - obj-$(CONFIG_SND_BCM2708_SOC_DIONAUDIO_LOCO) += snd-soc-dionaudio-loco.o - obj-$(CONFIG_SND_BCM2708_SOC_DIONAUDIO_LOCO_V2) += snd-soc-dionaudio-loco-v2.o ---- /dev/null -+++ b/sound/soc/bcm/audioinjector-octo-soundcard.c -@@ -0,0 +1,341 @@ -+/* -+ * ASoC Driver for AudioInjector Pi octo channel soundcard (hat) -+ * -+ * Created on: 27-October-2016 -+ * Author: flatmax@flatmax.org -+ * based on audioinjector-pi-soundcard.c -+ * -+ * Copyright (C) 2016 Flatmax Pty. Ltd. -+ * -+ * 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/types.h> -+#include <linux/gpio/consumer.h> -+ -+#include <sound/core.h> -+#include <sound/soc.h> -+#include <sound/pcm_params.h> -+#include <sound/control.h> -+ -+static struct gpio_descs *mult_gpios; -+static struct gpio_desc *codec_rst_gpio; -+static unsigned int audioinjector_octo_rate; -+ -+static const unsigned int audioinjector_octo_rates[] = { -+ 96000, 48000, 32000, 24000, 16000, 8000, 88200, 44100, 29400, 22050, 14700, -+}; -+ -+static struct snd_pcm_hw_constraint_list audioinjector_octo_constraints = { -+ .list = audioinjector_octo_rates, -+ .count = ARRAY_SIZE(audioinjector_octo_rates), -+}; -+ -+static int audioinjector_octo_dai_init(struct snd_soc_pcm_runtime *rtd) -+{ -+ return snd_soc_dai_set_bclk_ratio(rtd->cpu_dai, 64); -+} -+ -+static int audioinjector_octo_startup(struct snd_pcm_substream *substream) -+{ -+ struct snd_soc_pcm_runtime *rtd = substream->private_data; -+ rtd->cpu_dai->driver->playback.channels_min = 8; -+ rtd->cpu_dai->driver->playback.channels_max = 8; -+ rtd->cpu_dai->driver->capture.channels_min = 8; -+ rtd->cpu_dai->driver->capture.channels_max = 8; -+ rtd->codec_dai->driver->capture.channels_max = 8; -+ -+ snd_pcm_hw_constraint_list(substream->runtime, 0, -+ SNDRV_PCM_HW_PARAM_RATE, -+ &audioinjector_octo_constraints); -+ -+ return 0; -+} -+ -+static void audioinjector_octo_shutdown(struct snd_pcm_substream *substream) -+{ -+ struct snd_soc_pcm_runtime *rtd = substream->private_data; -+ rtd->cpu_dai->driver->playback.channels_min = 2; -+ rtd->cpu_dai->driver->playback.channels_max = 2; -+ rtd->cpu_dai->driver->capture.channels_min = 2; -+ rtd->cpu_dai->driver->capture.channels_max = 2; -+ rtd->codec_dai->driver->capture.channels_max = 6; -+} -+ -+static int audioinjector_octo_hw_params(struct snd_pcm_substream *substream, -+ struct snd_pcm_hw_params *params) -+{ -+ struct snd_soc_pcm_runtime *rtd = substream->private_data; -+ -+ // set codec DAI configuration -+ int ret = snd_soc_dai_set_fmt(rtd->codec_dai, -+ SND_SOC_DAIFMT_CBS_CFS|SND_SOC_DAIFMT_DSP_A| -+ SND_SOC_DAIFMT_NB_NF); -+ if (ret < 0) -+ return ret; -+ -+ // set cpu DAI configuration -+ ret = snd_soc_dai_set_fmt(rtd->cpu_dai, -+ SND_SOC_DAIFMT_CBM_CFM|SND_SOC_DAIFMT_I2S| -+ SND_SOC_DAIFMT_NB_NF); -+ if (ret < 0) -+ return ret; -+ -+ audioinjector_octo_rate = params_rate(params); -+ -+ // Set the correct sysclock for the codec -+ switch (audioinjector_octo_rate) { -+ case 96000: -+ case 48000: -+ return snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 49152000, -+ 0); -+ break; -+ case 24000: -+ return snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 49152000/2, -+ 0); -+ break; -+ case 32000: -+ case 16000: -+ return snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 49152000/3, -+ 0); -+ break; -+ case 8000: -+ return snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 49152000/6, -+ 0); -+ break; -+ case 88200: -+ case 44100: -+ return snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 45185400, -+ 0); -+ break; -+ case 22050: -+ return snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 45185400/2, -+ 0); -+ break; -+ case 29400: -+ case 14700: -+ return snd_soc_dai_set_sysclk(rtd->codec_dai, 0, 45185400/3, -+ 0); -+ break; -+ default: -+ return -EINVAL; -+ } -+} -+ -+static int audioinjector_octo_trigger(struct snd_pcm_substream *substream, -+ int cmd){ -+ int mult[4]; -+ mult[0] = 0; -+ mult[1] = 0; -+ mult[2] = 0; -+ mult[3] = 0; -+ -+ switch (cmd) { -+ case SNDRV_PCM_TRIGGER_START: -+ case SNDRV_PCM_TRIGGER_RESUME: -+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: -+ switch (audioinjector_octo_rate) { -+ case 96000: -+ mult[3] = 1; -+ case 88200: -+ mult[1] = 1; -+ mult[2] = 1; -+ break; -+ case 48000: -+ mult[3] = 1; -+ case 44100: -+ mult[2] = 1; -+ break; -+ case 32000: -+ mult[3] = 1; -+ case 29400: -+ mult[0] = 1; -+ mult[1] = 1; -+ break; -+ case 24000: -+ mult[3] = 1; -+ case 22050: -+ mult[1] = 1; -+ break; -+ case 16000: -+ mult[3] = 1; -+ case 14700: -+ mult[0] = 1; -+ break; -+ case 8000: -+ mult[3] = 1; -+ break; -+ default: -+ return -EINVAL; -+ } -+ break; -+ case SNDRV_PCM_TRIGGER_STOP: -+ case SNDRV_PCM_TRIGGER_SUSPEND: -+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH: -+ break; -+ default: -+ return -EINVAL; -+ } -+ gpiod_set_array_value_cansleep(mult_gpios->ndescs, mult_gpios->desc, -+ mult); -+ -+ return 0; -+} -+ -+static struct snd_soc_ops audioinjector_octo_ops = { -+ .startup = audioinjector_octo_startup, -+ .shutdown = audioinjector_octo_shutdown, -+ .hw_params = audioinjector_octo_hw_params, -+ .trigger = audioinjector_octo_trigger, -+}; -+ -+static struct snd_soc_dai_link audioinjector_octo_dai[] = { -+ { -+ .name = "AudioInjector Octo", -+ .stream_name = "AudioInject-HIFI", -+ .codec_dai_name = "cs42448", -+ .ops = &audioinjector_octo_ops, -+ .init = audioinjector_octo_dai_init, -+ .symmetric_rates = 1, -+ .symmetric_channels = 1, -+ }, -+}; -+ -+static const struct snd_soc_dapm_widget audioinjector_octo_widgets[] = { -+ SND_SOC_DAPM_OUTPUT("OUTPUTS0"), -+ SND_SOC_DAPM_OUTPUT("OUTPUTS1"), -+ SND_SOC_DAPM_OUTPUT("OUTPUTS2"), -+ SND_SOC_DAPM_OUTPUT("OUTPUTS3"), -+ SND_SOC_DAPM_INPUT("INPUTS0"), -+ SND_SOC_DAPM_INPUT("INPUTS1"), -+ SND_SOC_DAPM_INPUT("INPUTS2"), -+}; -+ -+static const struct snd_soc_dapm_route audioinjector_octo_route[] = { -+ /* Balanced outputs */ -+ {"OUTPUTS0", NULL, "AOUT1L"}, -+ {"OUTPUTS0", NULL, "AOUT1R"}, -+ {"OUTPUTS1", NULL, "AOUT2L"}, -+ {"OUTPUTS1", NULL, "AOUT2R"}, -+ {"OUTPUTS2", NULL, "AOUT3L"}, -+ {"OUTPUTS2", NULL, "AOUT3R"}, -+ {"OUTPUTS3", NULL, "AOUT4L"}, -+ {"OUTPUTS3", NULL, "AOUT4R"}, -+ -+ /* Balanced inputs */ -+ {"AIN1L", NULL, "INPUTS0"}, -+ {"AIN1R", NULL, "INPUTS0"}, -+ {"AIN2L", NULL, "INPUTS1"}, -+ {"AIN2R", NULL, "INPUTS1"}, -+ {"AIN3L", NULL, "INPUTS2"}, -+ {"AIN3R", NULL, "INPUTS2"}, -+}; -+ -+static struct snd_soc_card snd_soc_audioinjector_octo = { -+ .name = "audioinjector-octo-soundcard", -+ .dai_link = audioinjector_octo_dai, -+ .num_links = ARRAY_SIZE(audioinjector_octo_dai), -+ -+ .dapm_widgets = audioinjector_octo_widgets, -+ .num_dapm_widgets = ARRAY_SIZE(audioinjector_octo_widgets), -+ .dapm_routes = audioinjector_octo_route, -+ .num_dapm_routes = ARRAY_SIZE(audioinjector_octo_route), -+}; -+ -+static int audioinjector_octo_probe(struct platform_device *pdev) -+{ -+ struct snd_soc_card *card = &snd_soc_audioinjector_octo; -+ int ret; -+ -+ card->dev = &pdev->dev; -+ -+ if (pdev->dev.of_node) { -+ struct snd_soc_dai_link *dai = &audioinjector_octo_dai[0]; -+ struct device_node *i2s_node = -+ of_parse_phandle(pdev->dev.of_node, -+ "i2s-controller", 0); -+ struct device_node *codec_node = -+ of_parse_phandle(pdev->dev.of_node, -+ "codec", 0); -+ -+ mult_gpios = devm_gpiod_get_array_optional(&pdev->dev, "mult", -+ GPIOD_OUT_LOW); -+ if (IS_ERR(mult_gpios)) -+ return PTR_ERR(mult_gpios); -+ -+ codec_rst_gpio = devm_gpiod_get_optional(&pdev->dev, "reset", -+ GPIOD_OUT_LOW); -+ if (IS_ERR(codec_rst_gpio)) -+ return PTR_ERR(codec_rst_gpio); -+ -+ if (codec_rst_gpio) -+ gpiod_set_value(codec_rst_gpio, 1); -+ msleep(500); -+ if (codec_rst_gpio) -+ gpiod_set_value(codec_rst_gpio, 0); -+ msleep(500); -+ if (codec_rst_gpio) -+ gpiod_set_value(codec_rst_gpio, 1); -+ msleep(500); -+ -+ if (i2s_node && codec_node) { -+ dai->cpu_dai_name = NULL; -+ dai->cpu_of_node = i2s_node; -+ dai->platform_name = NULL; -+ dai->platform_of_node = i2s_node; -+ dai->codec_name = NULL; -+ dai->codec_of_node = codec_node; -+ } else -+ if (!dai->cpu_of_node) { -+ dev_err(&pdev->dev, -+ "i2s-controller missing or invalid in DT\n"); -+ return -EINVAL; -+ } else { -+ dev_err(&pdev->dev, -+ "Property 'codec' missing or invalid\n"); -+ return -EINVAL; -+ } -+ } -+ -+ ret = snd_soc_register_card(card); -+ if (ret != 0) -+ dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); -+ return ret; -+} -+ -+static int audioinjector_octo_remove(struct platform_device *pdev) -+{ -+ struct snd_soc_card *card = platform_get_drvdata(pdev); -+ -+ return snd_soc_unregister_card(card); -+} -+ -+static const struct of_device_id audioinjector_octo_of_match[] = { -+ { .compatible = "ai,audioinjector-octo-soundcard", }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, audioinjector_octo_of_match); -+ -+static struct platform_driver audioinjector_octo_driver = { -+ .driver = { -+ .name = "audioinjector-octo", -+ .owner = THIS_MODULE, -+ .of_match_table = audioinjector_octo_of_match, -+ }, -+ .probe = audioinjector_octo_probe, -+ .remove = audioinjector_octo_remove, -+}; -+ -+module_platform_driver(audioinjector_octo_driver); -+MODULE_AUTHOR("Matt Flax <flatmax@flatmax.org>"); -+MODULE_DESCRIPTION("AudioInjector.net octo Soundcard"); -+MODULE_LICENSE("GPL v2"); -+MODULE_ALIAS("platform:audioinjector-octo-soundcard"); |