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ralink: various fixes to the wm8960 setup code

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still no sound but the codec is properly detected now, powers up and i can hear
noise on the speakers.

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 43305
This commit is contained in:
John Crispin 2014-11-19 09:20:12 +00:00
parent 989bfd815b
commit d93dc245e5
1 changed files with 223 additions and 129 deletions
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352
target/linux/ramips/patches-3.14/0055-asoc-add-mt7620-support.patch
View File

@ -19,8 +19,10 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
create mode 100644 sound/soc/ralink/mt7620-i2s.c
create mode 100644 sound/soc/ralink/mt7620-wm8960.c
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
Index: linux-3.14.18/arch/mips/ralink/of.c
===================================================================
--- linux-3.14.18.orig/arch/mips/ralink/of.c 2014-11-18 10:45:55.010989756 +0100
+++ linux-3.14.18/arch/mips/ralink/of.c 2014-11-18 13:54:21.586438562 +0100
@@ -15,6 +15,7 @@
#include <linux/of_fdt.h>
#include <linux/kernel.h>
@ -37,9 +39,11 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
__iomem void *rt_memc_membase;
extern struct boot_param_header __dtb_start;
--- a/sound/soc/Kconfig
+++ b/sound/soc/Kconfig
@@ -47,6 +47,7 @@ source "sound/soc/kirkwood/Kconfig"
Index: linux-3.14.18/sound/soc/Kconfig
===================================================================
--- linux-3.14.18.orig/sound/soc/Kconfig 2014-09-06 01:34:59.000000000 +0200
+++ linux-3.14.18/sound/soc/Kconfig 2014-11-18 10:45:55.351159766 +0100
@@ -47,6 +47,7 @@
source "sound/soc/intel/Kconfig"
source "sound/soc/mxs/Kconfig"
source "sound/soc/pxa/Kconfig"
@ -47,9 +51,11 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
source "sound/soc/samsung/Kconfig"
source "sound/soc/s6000/Kconfig"
source "sound/soc/sh/Kconfig"
--- a/sound/soc/Makefile
+++ b/sound/soc/Makefile
@@ -24,6 +24,7 @@ obj-$(CONFIG_SND_SOC) += nuc900/
Index: linux-3.14.18/sound/soc/Makefile
===================================================================
--- linux-3.14.18.orig/sound/soc/Makefile 2014-09-06 01:34:59.000000000 +0200
+++ linux-3.14.18/sound/soc/Makefile 2014-11-18 10:45:55.351159766 +0100
@@ -24,6 +24,7 @@
obj-$(CONFIG_SND_SOC) += omap/
obj-$(CONFIG_SND_SOC) += kirkwood/
obj-$(CONFIG_SND_SOC) += pxa/
@ -57,8 +63,10 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
obj-$(CONFIG_SND_SOC) += samsung/
obj-$(CONFIG_SND_SOC) += s6000/
obj-$(CONFIG_SND_SOC) += sh/
--- /dev/null
+++ b/sound/soc/ralink/Kconfig
Index: linux-3.14.18/sound/soc/ralink/Kconfig
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.14.18/sound/soc/ralink/Kconfig 2014-11-18 10:45:55.351159766 +0100
@@ -0,0 +1,15 @@
+config SND_MT7620_SOC_I2S
+ depends on SOC_MT7620 && SND_SOC
@ -75,8 +83,10 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ help
+ Say Y if you want to add support for ASoC audio on the Qi LB60 board
+ a.k.a Qi Ben NanoNote.
--- /dev/null
+++ b/sound/soc/ralink/Makefile
Index: linux-3.14.18/sound/soc/ralink/Makefile
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.14.18/sound/soc/ralink/Makefile 2014-11-18 10:45:55.351159766 +0100
@@ -0,0 +1,11 @@
+#
+# Jz4740 Platform Support
@ -89,9 +99,11 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+snd-soc-mt7620-wm8960-objs := mt7620-wm8960.o
+
+obj-$(CONFIG_SND_MT7620_SOC_WM8960) += snd-soc-mt7620-wm8960.o
--- /dev/null
+++ b/sound/soc/ralink/mt7620-i2s.c
@@ -0,0 +1,466 @@
Index: linux-3.14.18/sound/soc/ralink/mt7620-i2s.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.14.18/sound/soc/ralink/mt7620-i2s.c 2014-11-18 10:45:55.351159766 +0100
@@ -0,0 +1,436 @@
+/*
+ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
+ *
@ -331,34 +343,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ return 0;
+}
+
+static int mt7620_i2s_suspend(struct snd_soc_dai *dai)
+{
+ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+ uint32_t cfg;
+
+ if (dai->active) {
+ cfg = mt7620_i2s_read(i2s, I2S_REG_CFG0);
+ cfg &= ~I2S_REG_CFG0_TX_EN;
+ mt7620_i2s_write(i2s, I2S_REG_CFG0, cfg);
+ }
+
+ return 0;
+}
+
+static int mt7620_i2s_resume(struct snd_soc_dai *dai)
+{
+ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+ uint32_t cfg;
+
+ if (dai->active) {
+ cfg = mt7620_i2s_read(i2s, I2S_REG_CFG0);
+ cfg |= I2S_REG_CFG0_TX_EN;
+ mt7620_i2s_write(i2s, I2S_REG_CFG0, cfg);
+ }
+
+ return 0;
+}
+
+static void mt7620_i2c_init_pcm_config(struct mt7620_i2s *i2s)
+{
+ struct snd_dmaengine_dai_dma_data *dma_data;
@ -418,8 +402,8 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ .set_sysclk = mt7620_i2s_set_sysclk,
+};
+
+#define JZ4740_I2S_FMTS (SNDRV_PCM_FMTBIT_S8 | \
+ SNDRV_PCM_FMTBIT_S16_LE)
+#define JZ4740_I2S_FMTS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+static struct snd_soc_dai_driver mt7620_i2s_dai = {
+ .probe = mt7620_i2s_dai_probe,
@ -438,8 +422,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ },
+ .symmetric_rates = 1,
+ .ops = &mt7620_i2s_dai_ops,
+ .suspend = mt7620_i2s_suspend,
+ .resume = mt7620_i2s_resume,
+};
+
+static const struct snd_pcm_hardware mt7620_pcm_hardware = {
@ -558,136 +540,248 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+MODULE_DESCRIPTION("Ingenic JZ4740 SoC I2S driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mt7620-i2s");
--- /dev/null
+++ b/sound/soc/ralink/mt7620-wm8960.c
@@ -0,0 +1,125 @@
Index: linux-3.14.18/sound/soc/ralink/mt7620-wm8960.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.14.18/sound/soc/ralink/mt7620-wm8960.c 2014-11-18 11:56:57.570299500 +0100
@@ -0,0 +1,233 @@
+/*
+ * Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.de>
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ *
+ * 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.
+ * Based on mt7620-sgtl5000.c
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ * Copyright 2012 Linaro Ltd.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/of.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <linux/of_platform.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+#include <sound/soc-dapm.h>
+#include <linux/pinctrl/consumer.h>
+
+#include "../codecs/wm8960.h"
+
+static const struct snd_soc_dapm_widget mt7620_wm8960_widgets[] = {
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+#define DAI_NAME_SIZE 32
+
+struct mt7620_wm8960_data {
+ struct snd_soc_dai_link dai;
+ struct snd_soc_card card;
+ char codec_dai_name[DAI_NAME_SIZE];
+ char platform_name[DAI_NAME_SIZE];
+ unsigned int clk_frequency;
+};
+
+static const struct snd_soc_dapm_route mt7620_wm8960_routes[] = {
+ {"Speaker", NULL, "HP_L"},
+ {"Speaker", NULL, "HP_R"},
+struct mt7620_priv {
+ struct platform_device *pdev;
+};
+static struct mt7620_priv card_priv;
+
+static const struct snd_soc_dapm_widget mt7620_wm8960_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_SPK("Ext Spk", NULL),
+ SND_SOC_DAPM_MIC("AMIC", NULL),
+ SND_SOC_DAPM_MIC("DMIC", NULL),
+};
+
+#define MT7620_DAIFMT (SND_SOC_DAIFMT_I2S | \
+ SND_SOC_DAIFMT_NB_NF | \
+ SND_SOC_DAIFMT_CBM_CFM)
+static int sample_rate = 44100;
+static snd_pcm_format_t sample_format = SNDRV_PCM_FORMAT_S16_LE;
+
+static int mt7620_wm8960_codec_init(struct snd_soc_pcm_runtime *rtd)
+static int mt7620_hifi_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
+ sample_rate = params_rate(params);
+ sample_format = params_format(params);
+
+ return 0;
+}
+
+static struct snd_soc_ops mt7620_hifi_ops = {
+ .hw_params = mt7620_hifi_hw_params,
+};
+
+static int mt7620_wm8960_set_bias_level(struct snd_soc_card *card,
+ struct snd_soc_dapm_context *dapm,
+ enum snd_soc_bias_level level)
+{
+ struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
+ struct mt7620_priv *priv = &card_priv;
+ struct mt7620_wm8960_data *data = snd_soc_card_get_drvdata(card);
+ struct device *dev = &priv->pdev->dev;
+ int ret;
+
+ snd_soc_dapm_enable_pin(dapm, "HP_L");
+ snd_soc_dapm_enable_pin(dapm, "HP_R");
+ if (dapm->dev != codec_dai->dev)
+ return 0;
+
+ ret = snd_soc_dai_set_fmt(cpu_dai, MT7620_DAIFMT);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to set cpu dai format: %d\n", ret);
+ return ret;
+ switch (level) {
+ case SND_SOC_BIAS_PREPARE:
+ if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
+ }
+ break;
+
+ case SND_SOC_BIAS_STANDBY:
+ if (dapm->bias_level == SND_SOC_BIAS_PREPARE) {
+ ret = snd_soc_dai_set_sysclk(codec_dai,
+ WM8960_SYSCLK_MCLK, data->clk_frequency,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(dev,
+ "failed to switch away from FLL: %d\n",
+ ret);
+ return ret;
+ }
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static struct snd_soc_dai_link mt7620_wm8960_dai = {
+ .name = "mt7620",
+ .stream_name = "mt7620",
+ .init = mt7620_wm8960_codec_init,
+ .codec_dai_name = "wm8960-hifi",
+};
+static int mt7620_wm8960_late_probe(struct snd_soc_card *card)
+{
+ struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
+ struct mt7620_priv *priv = &card_priv;
+ struct mt7620_wm8960_data *data = snd_soc_card_get_drvdata(card);
+ struct device *dev = &priv->pdev->dev;
+ int ret;
+
+static struct snd_soc_card mt7620_wm8960 = {
+ .name = "mt7620-wm8960",
+ .owner = THIS_MODULE,
+ .dai_link = &mt7620_wm8960_dai,
+ .num_links = 1,
+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8960_SYSCLK_MCLK,
+ data->clk_frequency, SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ dev_err(dev, "failed to set sysclk in %s\n", __func__);
+
+ .dapm_widgets = mt7620_wm8960_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(mt7620_wm8960_widgets),
+ .dapm_routes = mt7620_wm8960_routes,
+ .num_dapm_routes = ARRAY_SIZE(mt7620_wm8960_routes),
+};
+ return ret;
+}
+
+static int mt7620_wm8960_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct snd_soc_card *card = &mt7620_wm8960;
+ struct device_node *i2s_np, *codec_np;
+ struct platform_device *i2s_pdev;
+ struct mt7620_priv *priv = &card_priv;
+ struct i2c_client *codec_dev;
+ struct mt7620_wm8960_data *data;
+ int ret;
+
+ card->dev = &pdev->dev;
+ priv->pdev = pdev;
+
+ mt7620_wm8960_dai.cpu_of_node = of_parse_phandle(np, "cpu-dai", 0);
+ mt7620_wm8960_dai.codec_of_node = of_parse_phandle(np, "codec-dai", 0);
+ mt7620_wm8960_dai.platform_of_node = mt7620_wm8960_dai.cpu_of_node;
+
+ ret = snd_soc_register_card(card);
+ if (ret) {
+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+ ret);
+ i2s_np = of_parse_phandle(pdev->dev.of_node, "i2s-controller", 0);
+ codec_np = of_parse_phandle(pdev->dev.of_node, "audio-codec", 0);
+ if (!i2s_np || !codec_np) {
+ dev_err(&pdev->dev, "phandle missing or invalid\n");
+ ret = -EINVAL;
+ goto fail;
+ }
+
+ i2s_pdev = of_find_device_by_node(i2s_np);
+ if (!i2s_pdev) {
+ dev_err(&pdev->dev, "failed to find SSI platform device\n");
+ ret = -EINVAL;
+ goto fail;
+ }
+ codec_dev = of_find_i2c_device_by_node(codec_np);
+ if (!codec_dev || !codec_dev->dev.driver) {
+ dev_err(&pdev->dev, "failed to find codec platform device\n");
+ ret = -EINVAL;
+ goto fail;
+ }
+
+ data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
+ if (!data) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+
+ data->clk_frequency = 12000000;
+ data->dai.name = "HiFi";
+ data->dai.stream_name = "HiFi";
+ data->dai.codec_dai_name = "wm8960-hifi";
+ data->dai.codec_of_node = codec_np;
+ data->dai.cpu_dai_name = dev_name(&i2s_pdev->dev);
+ data->dai.platform_of_node = i2s_np;
+ data->dai.ops = &mt7620_hifi_ops;
+ data->dai.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM;
+
+ data->card.dev = &pdev->dev;
+ ret = snd_soc_of_parse_card_name(&data->card, "model");
+ if (ret)
+ goto fail;
+ ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing");
+ if (ret)
+ goto fail;
+ data->card.num_links = 1;
+ data->card.dai_link = &data->dai;
+ data->card.dapm_widgets = mt7620_wm8960_dapm_widgets;
+ data->card.num_dapm_widgets = ARRAY_SIZE(mt7620_wm8960_dapm_widgets);
+
+ data->card.late_probe = mt7620_wm8960_late_probe;
+ data->card.set_bias_level = mt7620_wm8960_set_bias_level;
+
+ platform_set_drvdata(pdev, &data->card);
+ snd_soc_card_set_drvdata(&data->card, data);
+
+ ret = devm_snd_soc_register_card(&pdev->dev, &data->card);
+ if (ret) {
+ dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
+ goto fail;
+ }
+
+ of_node_put(i2s_np);
+ of_node_put(codec_np);
+
+ return 0;
+fail:
+ if (i2s_np)
+ of_node_put(i2s_np);
+ if (codec_np)
+ of_node_put(codec_np);
+
+ return ret;
+}
+
+static int mt7620_wm8960_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+ snd_soc_unregister_card(card);
+ return 0;
+}
+
+static const struct of_device_id mt7620_audio_match[] = {
+ { .compatible = "ralink,wm8960-audio" },
+ {},
+static const struct of_device_id mt7620_wm8960_dt_ids[] = {
+ { .compatible = "mediatek,mt7620-audio-wm8960", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, mt7620_audio_match);
+MODULE_DEVICE_TABLE(of, mt7620_wm8960_dt_ids);
+
+static struct platform_driver mt7620_wm8960_driver = {
+ .driver = {
+ .name = "wm8960-audio",
+ .owner = THIS_MODULE,
+ .of_match_table = mt7620_audio_match,
+ .driver = {
+ .name = "mt7620-wm8960",
+ .owner = THIS_MODULE,
+ .pm = &snd_soc_pm_ops,
+ .of_match_table = mt7620_wm8960_dt_ids,
+ },
+ .probe = mt7620_wm8960_probe,
+ .remove = mt7620_wm8960_remove,
+ .probe = mt7620_wm8960_probe,
+ .remove = mt7620_wm8960_remove,
+};
+
+module_platform_driver(mt7620_wm8960_driver);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("ALSA SoC QI LB60 Audio support");
+MODULE_AUTHOR("Freescale Semiconductor, Inc.");
+MODULE_DESCRIPTION("Freescale i.MX WM8962 ASoC machine driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:qi-lb60-audio");
--- a/sound/soc/soc-io.c
+++ b/sound/soc/soc-io.c
+MODULE_ALIAS("platform:mt7620-wm8962");
Index: linux-3.14.18/sound/soc/soc-io.c
===================================================================
--- linux-3.14.18.orig/sound/soc/soc-io.c 2014-09-06 01:34:59.000000000 +0200
+++ linux-3.14.18/sound/soc/soc-io.c 2014-11-18 10:45:55.355161766 +0100
@@ -19,7 +19,6 @@
#include <trace/events/asoc.h>
@ -696,7 +790,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
static int hw_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int value)
{
@@ -135,12 +134,3 @@ int snd_soc_codec_set_cache_io(struct sn
@@ -135,12 +134,3 @@
return PTR_ERR_OR_ZERO(codec->control_data);
}
EXPORT_SYMBOL_GPL(snd_soc_codec_set_cache_io);