diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0065-ASoC-Add-support-for-Rpi-DAC.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.4/0065-ASoC-Add-support-for-Rpi-DAC.patch | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0065-ASoC-Add-support-for-Rpi-DAC.patch b/target/linux/brcm2708/patches-4.4/0065-ASoC-Add-support-for-Rpi-DAC.patch deleted file mode 100644 index a2d8e5628c..0000000000 --- a/target/linux/brcm2708/patches-4.4/0065-ASoC-Add-support-for-Rpi-DAC.patch +++ /dev/null @@ -1,275 +0,0 @@ -From f16a654f57b024d44fe58d62b660e01de6a7811a Mon Sep 17 00:00:00 2001 -From: Florian Meier <florian.meier@koalo.de> -Date: Fri, 22 Nov 2013 19:21:34 +0100 -Subject: [PATCH 065/170] ASoC: Add support for Rpi-DAC - ---- - sound/soc/bcm/Kconfig | 7 +++ - sound/soc/bcm/Makefile | 2 + - sound/soc/bcm/rpi-dac.c | 118 ++++++++++++++++++++++++++++++++++++++++++++ - sound/soc/codecs/Kconfig | 9 ++++ - sound/soc/codecs/Makefile | 2 + - sound/soc/codecs/pcm1794a.c | 69 ++++++++++++++++++++++++++ - 6 files changed, 207 insertions(+) - create mode 100644 sound/soc/bcm/rpi-dac.c - create mode 100644 sound/soc/codecs/pcm1794a.c - ---- a/sound/soc/bcm/Kconfig -+++ b/sound/soc/bcm/Kconfig -@@ -14,3 +14,10 @@ config SND_BCM2708_SOC_HIFIBERRY_DAC - select SND_SOC_PCM5102A - help - Say Y or M if you want to add support for HifiBerry DAC. -+ -+config SND_BCM2708_SOC_RPI_DAC -+ tristate "Support for RPi-DAC" -+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S -+ select SND_SOC_PCM1794A -+ help -+ Say Y or M if you want to add support for RPi-DAC. ---- a/sound/soc/bcm/Makefile -+++ b/sound/soc/bcm/Makefile -@@ -5,5 +5,7 @@ obj-$(CONFIG_SND_BCM2835_SOC_I2S) += snd - - # BCM2708 Machine Support - snd-soc-hifiberry-dac-objs := hifiberry_dac.o -+snd-soc-rpi-dac-objs := rpi-dac.o - - obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DAC) += snd-soc-hifiberry-dac.o -+obj-$(CONFIG_SND_BCM2708_SOC_RPI_DAC) += snd-soc-rpi-dac.o ---- /dev/null -+++ b/sound/soc/bcm/rpi-dac.c -@@ -0,0 +1,118 @@ -+/* -+ * ASoC Driver for RPi-DAC. -+ * -+ * Author: Florian Meier <florian.meier@koalo.de> -+ * Copyright 2013 -+ * -+ * 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> -+ -+static int snd_rpi_rpi_dac_init(struct snd_soc_pcm_runtime *rtd) -+{ -+ return 0; -+} -+ -+static int snd_rpi_rpi_dac_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; -+ -+ return snd_soc_dai_set_bclk_ratio(cpu_dai, 32*2); -+} -+ -+/* machine stream operations */ -+static struct snd_soc_ops snd_rpi_rpi_dac_ops = { -+ .hw_params = snd_rpi_rpi_dac_hw_params, -+}; -+ -+static struct snd_soc_dai_link snd_rpi_rpi_dac_dai[] = { -+{ -+ .name = "RPi-DAC", -+ .stream_name = "RPi-DAC HiFi", -+ .cpu_dai_name = "bcm2708-i2s.0", -+ .codec_dai_name = "pcm1794a-hifi", -+ .platform_name = "bcm2708-i2s.0", -+ .codec_name = "pcm1794a-codec", -+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | -+ SND_SOC_DAIFMT_CBS_CFS, -+ .ops = &snd_rpi_rpi_dac_ops, -+ .init = snd_rpi_rpi_dac_init, -+}, -+}; -+ -+/* audio machine driver */ -+static struct snd_soc_card snd_rpi_rpi_dac = { -+ .name = "snd_rpi_rpi_dac", -+ .dai_link = snd_rpi_rpi_dac_dai, -+ .num_links = ARRAY_SIZE(snd_rpi_rpi_dac_dai), -+}; -+ -+static int snd_rpi_rpi_dac_probe(struct platform_device *pdev) -+{ -+ int ret = 0; -+ -+ snd_rpi_rpi_dac.dev = &pdev->dev; -+ -+ if (pdev->dev.of_node) { -+ struct device_node *i2s_node; -+ struct snd_soc_dai_link *dai = &snd_rpi_rpi_dac_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_rpi_dac); -+ if (ret) -+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret); -+ -+ return ret; -+} -+ -+static int snd_rpi_rpi_dac_remove(struct platform_device *pdev) -+{ -+ return snd_soc_unregister_card(&snd_rpi_rpi_dac); -+} -+ -+static const struct of_device_id snd_rpi_rpi_dac_of_match[] = { -+ { .compatible = "rpi,rpi-dac", }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, snd_rpi_rpi_dac_of_match); -+ -+static struct platform_driver snd_rpi_rpi_dac_driver = { -+ .driver = { -+ .name = "snd-rpi-dac", -+ .owner = THIS_MODULE, -+ .of_match_table = snd_rpi_rpi_dac_of_match, -+ }, -+ .probe = snd_rpi_rpi_dac_probe, -+ .remove = snd_rpi_rpi_dac_remove, -+}; -+ -+module_platform_driver(snd_rpi_rpi_dac_driver); -+ -+MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>"); -+MODULE_DESCRIPTION("ASoC Driver for RPi-DAC"); -+MODULE_LICENSE("GPL v2"); ---- a/sound/soc/codecs/Kconfig -+++ b/sound/soc/codecs/Kconfig -@@ -90,6 +90,7 @@ config SND_SOC_ALL_CODECS - select SND_SOC_RT286 if I2C - select SND_SOC_RT298 if I2C - select SND_SOC_PCM5102A if I2C -+ select SND_SOC_PCM1794A if I2C - select SND_SOC_RT5631 if I2C - select SND_SOC_RT5640 if I2C - select SND_SOC_RT5645 if I2C -@@ -550,6 +551,14 @@ config SND_SOC_RT298 - tristate - depends on I2C - -+config SND_SOC_RT298 -+ tristate -+ depends on I2C -+ -+config SND_SOC_PCM1794A -+ tristate -+ depends on I2C -+ - config SND_SOC_PCM5102A - tristate - depends on I2C ---- a/sound/soc/codecs/Makefile -+++ b/sound/soc/codecs/Makefile -@@ -85,6 +85,7 @@ snd-soc-rl6231-objs := rl6231.o - snd-soc-rl6347a-objs := rl6347a.o - snd-soc-rt286-objs := rt286.o - snd-soc-rt298-objs := rt298.o -+snd-soc-pcm1794a-objs := pcm1794a.o - snd-soc-pcm5102a-objs := pcm5102a.o - snd-soc-rt5631-objs := rt5631.o - snd-soc-rt5640-objs := rt5640.o -@@ -281,6 +282,7 @@ obj-$(CONFIG_SND_SOC_RL6231) += snd-soc- - obj-$(CONFIG_SND_SOC_RL6347A) += snd-soc-rl6347a.o - obj-$(CONFIG_SND_SOC_RT286) += snd-soc-rt286.o - obj-$(CONFIG_SND_SOC_RT298) += snd-soc-rt298.o -+obj-$(CONFIG_SND_SOC_PCM1794A) += snd-soc-pcm1794a.o - obj-$(CONFIG_SND_SOC_PCM5102A) += snd-soc-pcm5102a.o - obj-$(CONFIG_SND_SOC_RT5631) += snd-soc-rt5631.o - obj-$(CONFIG_SND_SOC_RT5640) += snd-soc-rt5640.o ---- /dev/null -+++ b/sound/soc/codecs/pcm1794a.c -@@ -0,0 +1,69 @@ -+/* -+ * Driver for the PCM1794A codec -+ * -+ * Author: Florian Meier <florian.meier@koalo.de> -+ * Copyright 2013 -+ * -+ * 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/init.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+ -+#include <sound/soc.h> -+ -+static struct snd_soc_dai_driver pcm1794a_dai = { -+ .name = "pcm1794a-hifi", -+ .playback = { -+ .channels_min = 2, -+ .channels_max = 2, -+ .rates = SNDRV_PCM_RATE_8000_192000, -+ .formats = SNDRV_PCM_FMTBIT_S16_LE | -+ SNDRV_PCM_FMTBIT_S24_LE -+ }, -+}; -+ -+static struct snd_soc_codec_driver soc_codec_dev_pcm1794a; -+ -+static int pcm1794a_probe(struct platform_device *pdev) -+{ -+ return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_pcm1794a, -+ &pcm1794a_dai, 1); -+} -+ -+static int pcm1794a_remove(struct platform_device *pdev) -+{ -+ snd_soc_unregister_codec(&pdev->dev); -+ return 0; -+} -+ -+static const struct of_device_id pcm1794a_of_match[] = { -+ { .compatible = "ti,pcm1794a", }, -+ { } -+}; -+MODULE_DEVICE_TABLE(of, pcm1794a_of_match); -+ -+static struct platform_driver pcm1794a_codec_driver = { -+ .probe = pcm1794a_probe, -+ .remove = pcm1794a_remove, -+ .driver = { -+ .name = "pcm1794a-codec", -+ .owner = THIS_MODULE, -+ .of_match_table = of_match_ptr(pcm1794a_of_match), -+ }, -+}; -+ -+module_platform_driver(pcm1794a_codec_driver); -+ -+MODULE_DESCRIPTION("ASoC PCM1794A codec driver"); -+MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>"); -+MODULE_LICENSE("GPL v2"); |