diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0074-ARM-adau1977-adc-Add-basic-machine-driver-for-adau19.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0074-ARM-adau1977-adc-Add-basic-machine-driver-for-adau19.patch | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0074-ARM-adau1977-adc-Add-basic-machine-driver-for-adau19.patch b/target/linux/brcm2708/patches-4.14/950-0074-ARM-adau1977-adc-Add-basic-machine-driver-for-adau19.patch deleted file mode 100644 index 00163cbcbd..0000000000 --- a/target/linux/brcm2708/patches-4.14/950-0074-ARM-adau1977-adc-Add-basic-machine-driver-for-adau19.patch +++ /dev/null @@ -1,177 +0,0 @@ -From d40ccbe0dbe26b7468ea1383e41d43179ff7c366 Mon Sep 17 00:00:00 2001 -From: Andrey Grodzovsky <andrey2805@gmail.com> -Date: Tue, 3 May 2016 22:10:59 -0400 -Subject: [PATCH 074/454] ARM: adau1977-adc: Add basic machine driver for - adau1977 codec driver. - -This commit adds basic support for the codec usage including: Device tree overlay, -binding I2S bus and setting I2S mode, clock source and frequency setting according -to spec. - -Signed-off-by: Andrey Grodzovsky <andrey2805@gmail.com> ---- - sound/soc/bcm/Kconfig | 7 ++ - sound/soc/bcm/Makefile | 2 + - sound/soc/bcm/adau1977-adc.c | 125 +++++++++++++++++++++++++++++++++++ - 3 files changed, 134 insertions(+) - create mode 100644 sound/soc/bcm/adau1977-adc.c - ---- a/sound/soc/bcm/Kconfig -+++ b/sound/soc/bcm/Kconfig -@@ -88,3 +88,10 @@ config SND_BCM2708_SOC_RASPIDAC3 - select SND_SOC_TPA6130A2 - help - Say Y or M if you want to add support for RaspiDAC Rev.3x. -+ -+config SND_BCM2708_SOC_ADAU1977_ADC -+ tristate "Support for ADAU1977 ADC" -+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S -+ select SND_SOC_ADAU1977_I2C -+ help -+ Say Y or M if you want to add support for ADAU1977 ADC. ---- a/sound/soc/bcm/Makefile -+++ b/sound/soc/bcm/Makefile -@@ -9,6 +9,7 @@ snd-soc-cygnus-objs := cygnus-pcm.o cygn - obj-$(CONFIG_SND_SOC_CYGNUS) += snd-soc-cygnus.o - - # BCM2708 Machine Support -+snd-soc-adau1977-adc-objs := adau1977-adc.o - snd-soc-hifiberry-amp-objs := hifiberry_amp.o - snd-soc-hifiberry-dac-objs := hifiberry_dac.o - snd-soc-hifiberry-dacplus-objs := hifiberry_dacplus.o -@@ -20,6 +21,7 @@ snd-soc-rpi-proto-objs := rpi-proto.o - snd-soc-iqaudio-dac-objs := iqaudio-dac.o - snd-soc-raspidac3-objs := raspidac3.o - -+obj-$(CONFIG_SND_BCM2708_SOC_ADAU1977_ADC) += snd-soc-adau1977-adc.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 - obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) += snd-soc-hifiberry-dacplus.o ---- /dev/null -+++ b/sound/soc/bcm/adau1977-adc.c -@@ -0,0 +1,125 @@ -+/* -+ * ASoC Driver for ADAU1977 ADC -+ * -+ * Author: Andrey Grodzovsky <andrey2805@gmail.com> -+ * Copyright 2016 -+ * -+ * This file is based on hifibery_dac driver 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 <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> -+ -+enum adau1977_clk_id { -+ ADAU1977_SYSCLK, -+}; -+ -+enum adau1977_sysclk_src { -+ ADAU1977_SYSCLK_SRC_MCLK, -+ ADAU1977_SYSCLK_SRC_LRCLK, -+}; -+ -+static int eval_adau1977_init(struct snd_soc_pcm_runtime *rtd) -+{ -+ int ret; -+ struct snd_soc_dai *codec_dai = rtd->codec_dai; -+ -+ ret = snd_soc_dai_set_tdm_slot(codec_dai, 0, 0, 0, 0); -+ if (ret < 0) -+ return ret; -+ -+ return snd_soc_codec_set_sysclk(rtd->codec, ADAU1977_SYSCLK, -+ ADAU1977_SYSCLK_SRC_MCLK, 11289600, SND_SOC_CLOCK_IN); -+} -+ -+static struct snd_soc_dai_link snd_rpi_adau1977_dai[] = { -+ { -+ .name = "adau1977", -+ .stream_name = "ADAU1977", -+ .cpu_dai_name = "bcm2708-i2s.0", -+ .codec_dai_name = "adau1977-hifi", -+ .platform_name = "bcm2708-i2s.0", -+ .codec_name = "adau1977.1-0011", -+ .init = eval_adau1977_init, -+ .dai_fmt = SND_SOC_DAIFMT_I2S | -+ SND_SOC_DAIFMT_NB_NF | -+ SND_SOC_DAIFMT_CBM_CFM, -+ }, -+}; -+ -+/* audio machine driver */ -+static struct snd_soc_card snd_adau1977_adc = { -+ .name = "snd_rpi_adau1977_adc", -+ .owner = THIS_MODULE, -+ .dai_link = snd_rpi_adau1977_dai, -+ .num_links = ARRAY_SIZE(snd_rpi_adau1977_dai), -+}; -+ -+static int snd_adau1977_adc_probe(struct platform_device *pdev) -+{ -+ int ret = 0; -+ -+ snd_adau1977_adc.dev = &pdev->dev; -+ if (pdev->dev.of_node) { -+ struct device_node *i2s_node; -+ struct snd_soc_dai_link *dai = &snd_rpi_adau1977_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_adau1977_adc); -+ if (ret && ret != -EPROBE_DEFER) -+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret); -+ -+ return ret; -+} -+ -+static int snd_adau1977_adc_remove(struct platform_device *pdev) -+{ -+ return snd_soc_unregister_card(&snd_adau1977_adc); -+} -+ -+static const struct of_device_id snd_adau1977_adc_of_match[] = { -+ { .compatible = "adi,adau1977-adc", }, -+ {}, -+}; -+ -+MODULE_DEVICE_TABLE(of, snd_adau1977_adc_of_match); -+ -+static struct platform_driver snd_adau1977_adc_driver = { -+ .driver = { -+ .name = "snd-adau1977-adc", -+ .owner = THIS_MODULE, -+ .of_match_table = snd_adau1977_adc_of_match, -+ }, -+ .probe = snd_adau1977_adc_probe, -+ .remove = snd_adau1977_adc_remove, -+}; -+ -+module_platform_driver(snd_adau1977_adc_driver); -+ -+MODULE_AUTHOR("Andrey Grodzovsky <andrey2805@gmail.com>"); -+MODULE_DESCRIPTION("ASoC Driver for ADAU1977 ADC"); -+MODULE_LICENSE("GPL v2"); |