diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0080-Add-support-for-Fe-Pi-audio-sound-card.-1867.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0080-Add-support-for-Fe-Pi-audio-sound-card.-1867.patch | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0080-Add-support-for-Fe-Pi-audio-sound-card.-1867.patch b/target/linux/brcm2708/patches-4.19/950-0080-Add-support-for-Fe-Pi-audio-sound-card.-1867.patch deleted file mode 100644 index 4d5c4a747a..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0080-Add-support-for-Fe-Pi-audio-sound-card.-1867.patch +++ /dev/null @@ -1,170 +0,0 @@ -From 8ed265197d7a8f9c1a328d262bfe91050716ad76 Mon Sep 17 00:00:00 2001 -From: Fe-Pi <fe-pi@cox.net> -Date: Wed, 1 Mar 2017 04:42:43 -0700 -Subject: [PATCH] Add support for Fe-Pi audio sound card. (#1867) - -Fe-Pi Audio Sound Card is based on NXP SGTL5000 codec. -Mechanical specification of the board is the same the Raspberry Pi Zero. -3.5mm jacks for Headphone/Mic, Line In, and Line Out. - -Signed-off-by: Henry Kupis <fe-pi@cox.net> ---- - sound/soc/bcm/fe-pi-audio.c | 152 ++++++++++++++++++++++++++++++++++++ - 1 file changed, 152 insertions(+) - create mode 100644 sound/soc/bcm/fe-pi-audio.c - ---- /dev/null -+++ b/sound/soc/bcm/fe-pi-audio.c -@@ -0,0 +1,152 @@ -+/* -+ * ASoC Driver for Fe-Pi Audio Sound Card -+ * -+ * Author: Henry Kupis <kuupaz@gmail.com> -+ * Copyright 2016 -+ * based on code by Florian Meier <florian.meier@koalo.de> -+ * based on code by Shawn Guo <shawn.guo@linaro.org> -+ * -+ * 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 <linux/io.h> -+ -+#include <sound/core.h> -+#include <sound/pcm.h> -+#include <sound/pcm_params.h> -+#include <sound/soc.h> -+#include <sound/jack.h> -+ -+#include "../codecs/sgtl5000.h" -+ -+static int snd_fe_pi_audio_init(struct snd_soc_pcm_runtime *rtd) -+{ -+ struct snd_soc_card *card = rtd->card; -+ struct snd_soc_component *component = rtd->codec_dai->component; -+ -+ snd_soc_dapm_force_enable_pin(&card->dapm, "LO"); -+ snd_soc_dapm_force_enable_pin(&card->dapm, "ADC"); -+ snd_soc_dapm_force_enable_pin(&card->dapm, "DAC"); -+ snd_soc_dapm_force_enable_pin(&card->dapm, "HP"); -+ snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_POWER, -+ SGTL5000_VAG_POWERUP, SGTL5000_VAG_POWERUP); -+ -+ return 0; -+} -+ -+static int snd_fe_pi_audio_hw_params(struct snd_pcm_substream *substream, -+ struct snd_pcm_hw_params *params) -+{ -+ struct snd_soc_pcm_runtime *rtd = substream->private_data; -+ struct device *dev = rtd->card->dev; -+ struct snd_soc_dai *codec_dai = rtd->codec_dai; -+ -+ int ret; -+ -+ /* Set SGTL5000's SYSCLK */ -+ ret = snd_soc_dai_set_sysclk(codec_dai, SGTL5000_SYSCLK, 12288000, SND_SOC_CLOCK_IN); -+ if (ret) { -+ dev_err(dev, "could not set codec driver clock params\n"); -+ return ret; -+ } -+ -+ return 0; -+} -+ -+ -+static struct snd_soc_ops snd_fe_pi_audio_ops = { -+ .hw_params = snd_fe_pi_audio_hw_params, -+}; -+ -+static struct snd_soc_dai_link snd_fe_pi_audio_dai[] = { -+ { -+ .name = "FE-PI", -+ .stream_name = "Fe-Pi HiFi", -+ .cpu_dai_name = "bcm2708-i2s.0", -+ .codec_dai_name = "sgtl5000", -+ .platform_name = "bcm2708-i2s.0", -+ .codec_name = "sgtl5000.1-000a", -+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | -+ SND_SOC_DAIFMT_CBM_CFM, -+ .ops = &snd_fe_pi_audio_ops, -+ .init = snd_fe_pi_audio_init, -+ }, -+}; -+ -+static const struct snd_soc_dapm_route fe_pi_audio_dapm_routes[] = { -+ {"ADC", NULL, "Mic Bias"}, -+}; -+ -+ -+static struct snd_soc_card fe_pi_audio = { -+ .name = "Fe-Pi Audio", -+ .owner = THIS_MODULE, -+ .dai_link = snd_fe_pi_audio_dai, -+ .num_links = ARRAY_SIZE(snd_fe_pi_audio_dai), -+ -+ .dapm_routes = fe_pi_audio_dapm_routes, -+ .num_dapm_routes = ARRAY_SIZE(fe_pi_audio_dapm_routes), -+}; -+ -+static int snd_fe_pi_audio_probe(struct platform_device *pdev) -+{ -+ int ret = 0; -+ struct snd_soc_card *card = &fe_pi_audio; -+ struct device_node *np = pdev->dev.of_node; -+ struct device_node *i2s_node; -+ struct snd_soc_dai_link *dai = &snd_fe_pi_audio_dai[0]; -+ -+ fe_pi_audio.dev = &pdev->dev; -+ -+ i2s_node = of_parse_phandle(np, "i2s-controller", 0); -+ if (!i2s_node) { -+ dev_err(&pdev->dev, "i2s_node phandle missing or invalid\n"); -+ return -EINVAL; -+ } -+ -+ dai->cpu_dai_name = NULL; -+ dai->cpu_of_node = i2s_node; -+ dai->platform_name = NULL; -+ dai->platform_of_node = i2s_node; -+ -+ of_node_put(i2s_node); -+ -+ card->dev = &pdev->dev; -+ platform_set_drvdata(pdev, card); -+ -+ ret = devm_snd_soc_register_card(&pdev->dev, card); -+ if (ret && ret != -EPROBE_DEFER) -+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret); -+ -+ return ret; -+} -+ -+static const struct of_device_id snd_fe_pi_audio_of_match[] = { -+ { .compatible = "fe-pi,fe-pi-audio", }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, snd_fe_pi_audio_of_match); -+ -+static struct platform_driver snd_fe_pi_audio_driver = { -+ .driver = { -+ .name = "snd-fe-pi-audio", -+ .owner = THIS_MODULE, -+ .of_match_table = snd_fe_pi_audio_of_match, -+ }, -+ .probe = snd_fe_pi_audio_probe, -+}; -+ -+module_platform_driver(snd_fe_pi_audio_driver); -+ -+MODULE_AUTHOR("Henry Kupis <fe-pi@cox.net>"); -+MODULE_DESCRIPTION("ASoC Driver for Fe-Pi Audio"); -+MODULE_LICENSE("GPL v2"); |