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-rw-r--r--sound/soc/fsl/Kconfig11
-rw-r--r--sound/soc/fsl/Makefile2
-rw-r--r--sound/soc/fsl/fsl_spdif.c29
-rw-r--r--sound/soc/fsl/fsl_ssi.c1
-rw-r--r--sound/soc/fsl/imx-audmux.c3
-rw-r--r--sound/soc/fsl/imx-spdif.c148
6 files changed, 172 insertions, 22 deletions
diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig
index cd088cc8c866..b7ab71f2ccc1 100644
--- a/sound/soc/fsl/Kconfig
+++ b/sound/soc/fsl/Kconfig
@@ -193,6 +193,17 @@ config SND_SOC_IMX_SGTL5000
Say Y if you want to add support for SoC audio on an i.MX board with
a sgtl5000 codec.
+config SND_SOC_IMX_SPDIF
+ tristate "SoC Audio support for i.MX boards with S/PDIF"
+ select SND_SOC_IMX_PCM_DMA
+ select SND_SOC_FSL_SPDIF
+ select SND_SOC_SPDIF
+ select REGMAP_MMIO
+ help
+ SoC Audio support for i.MX boards with S/PDIF
+ Say Y if you want to add support for SoC audio on an i.MX board with
+ a S/DPDIF.
+
config SND_SOC_IMX_MC13783
tristate "SoC Audio support for I.MX boards with mc13783"
depends on MFD_MC13783 && ARM
diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile
index 4b5970e014dd..8db705b0fdf9 100644
--- a/sound/soc/fsl/Makefile
+++ b/sound/soc/fsl/Makefile
@@ -45,6 +45,7 @@ snd-soc-mx27vis-aic32x4-objs := mx27vis-aic32x4.o
snd-soc-wm1133-ev1-objs := wm1133-ev1.o
snd-soc-imx-sgtl5000-objs := imx-sgtl5000.o
snd-soc-imx-wm8962-objs := imx-wm8962.o
+snd-soc-imx-spdif-objs := imx-spdif.o
snd-soc-imx-mc13783-objs := imx-mc13783.o
obj-$(CONFIG_SND_SOC_EUKREA_TLV320) += snd-soc-eukrea-tlv320.o
@@ -53,4 +54,5 @@ obj-$(CONFIG_SND_SOC_MX27VIS_AIC32X4) += snd-soc-mx27vis-aic32x4.o
obj-$(CONFIG_SND_MXC_SOC_WM1133_EV1) += snd-soc-wm1133-ev1.o
obj-$(CONFIG_SND_SOC_IMX_SGTL5000) += snd-soc-imx-sgtl5000.o
obj-$(CONFIG_SND_SOC_IMX_WM8962) += snd-soc-imx-wm8962.o
+obj-$(CONFIG_SND_SOC_IMX_SPDIF) += snd-soc-imx-spdif.o
obj-$(CONFIG_SND_SOC_IMX_MC13783) += snd-soc-imx-mc13783.o
diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
index 42a43820d993..3920c3e849ce 100644
--- a/sound/soc/fsl/fsl_spdif.c
+++ b/sound/soc/fsl/fsl_spdif.c
@@ -411,8 +411,8 @@ static int spdif_set_sample_rate(struct snd_pcm_substream *substream,
return 0;
}
-int fsl_spdif_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *cpu_dai)
+static int fsl_spdif_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *cpu_dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);
@@ -546,7 +546,7 @@ static int fsl_spdif_trigger(struct snd_pcm_substream *substream,
return 0;
}
-struct snd_soc_dai_ops fsl_spdif_dai_ops = {
+static struct snd_soc_dai_ops fsl_spdif_dai_ops = {
.startup = fsl_spdif_startup,
.hw_params = fsl_spdif_hw_params,
.trigger = fsl_spdif_trigger,
@@ -555,7 +555,6 @@ struct snd_soc_dai_ops fsl_spdif_dai_ops = {
/*
- * ============================================
* FSL SPDIF IEC958 controller(mixer) functions
*
* Channel status get/put control
@@ -563,7 +562,6 @@ struct snd_soc_dai_ops fsl_spdif_dai_ops = {
* Valid bit value get control
* DPLL lock status get control
* User bit sync mode selection control
- * ============================================
*/
static int fsl_spdif_info(struct snd_kcontrol *kcontrol,
@@ -921,7 +919,7 @@ static int fsl_spdif_dai_probe(struct snd_soc_dai *dai)
return 0;
}
-struct snd_soc_dai_driver fsl_spdif_dai = {
+static struct snd_soc_dai_driver fsl_spdif_dai = {
.probe = &fsl_spdif_dai_probe,
.playback = {
.channels_min = 2,
@@ -942,11 +940,7 @@ static const struct snd_soc_component_driver fsl_spdif_component = {
.name = "fsl-spdif",
};
-/*
- * ================
- * FSL SPDIF REGMAP
- * ================
- */
+/* FSL SPDIF REGMAP */
static bool fsl_spdif_readable_reg(struct device *dev, unsigned int reg)
{
@@ -1077,9 +1071,9 @@ static int fsl_spdif_probe_txclk(struct fsl_spdif_priv *spdif_priv,
break;
}
- dev_dbg(&pdev->dev, "use rxtx%d as tx clock source for %dHz sample rate",
+ dev_dbg(&pdev->dev, "use rxtx%d as tx clock source for %dHz sample rate\n",
spdif_priv->txclk_src[index], rate[index]);
- dev_dbg(&pdev->dev, "use divisor %d for %dHz sample rate",
+ dev_dbg(&pdev->dev, "use divisor %d for %dHz sample rate\n",
spdif_priv->txclk_div[index], rate[index]);
return 0;
@@ -1119,10 +1113,8 @@ static int fsl_spdif_probe(struct platform_device *pdev)
}
regs = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(regs)) {
- dev_err(&pdev->dev, "could not map device resources\n");
+ if (IS_ERR(regs))
return PTR_ERR(regs);
- }
spdif_priv->regmap = devm_regmap_init_mmio_clk(&pdev->dev,
"core", regs, &fsl_spdif_regmap_config);
@@ -1184,7 +1176,7 @@ static int fsl_spdif_probe(struct platform_device *pdev)
&spdif_priv->cpu_dai_drv, 1);
if (ret) {
dev_err(&pdev->dev, "failed to register DAI: %d\n", ret);
- goto error_dev;
+ return ret;
}
ret = imx_pcm_dma_init(pdev);
@@ -1197,8 +1189,6 @@ static int fsl_spdif_probe(struct platform_device *pdev)
error_component:
snd_soc_unregister_component(&pdev->dev);
-error_dev:
- dev_set_drvdata(&pdev->dev, NULL);
return ret;
}
@@ -1207,7 +1197,6 @@ static int fsl_spdif_remove(struct platform_device *pdev)
{
imx_pcm_dma_exit(pdev);
snd_soc_unregister_component(&pdev->dev);
- dev_set_drvdata(&pdev->dev, NULL);
return 0;
}
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 5cf626c4dc96..c6b743978d5e 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -1114,7 +1114,6 @@ error_dai:
snd_soc_unregister_component(&pdev->dev);
error_dev:
- dev_set_drvdata(&pdev->dev, NULL);
device_remove_file(&pdev->dev, dev_attr);
error_clk:
diff --git a/sound/soc/fsl/imx-audmux.c b/sound/soc/fsl/imx-audmux.c
index ab17381cc981..d3bf71a0ec56 100644
--- a/sound/soc/fsl/imx-audmux.c
+++ b/sound/soc/fsl/imx-audmux.c
@@ -335,7 +335,8 @@ static int imx_audmux_probe(struct platform_device *pdev)
if (audmux_type == IMX31_AUDMUX)
audmux_debugfs_init();
- imx_audmux_parse_dt_defaults(pdev, pdev->dev.of_node);
+ if (of_id)
+ imx_audmux_parse_dt_defaults(pdev, pdev->dev.of_node);
return 0;
}
diff --git a/sound/soc/fsl/imx-spdif.c b/sound/soc/fsl/imx-spdif.c
new file mode 100644
index 000000000000..816013b0ebba
--- /dev/null
+++ b/sound/soc/fsl/imx-spdif.c
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2013 Freescale Semiconductor, Inc.
+ *
+ * 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/of_platform.h>
+#include <sound/soc.h>
+
+struct imx_spdif_data {
+ struct snd_soc_dai_link dai[2];
+ struct snd_soc_card card;
+ struct platform_device *txdev;
+ struct platform_device *rxdev;
+};
+
+static int imx_spdif_audio_probe(struct platform_device *pdev)
+{
+ struct device_node *spdif_np, *np = pdev->dev.of_node;
+ struct imx_spdif_data *data;
+ int ret = 0, num_links = 0;
+
+ spdif_np = of_parse_phandle(np, "spdif-controller", 0);
+ if (!spdif_np) {
+ dev_err(&pdev->dev, "failed to find spdif-controller\n");
+ ret = -EINVAL;
+ goto end;
+ }
+
+ data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
+ if (!data) {
+ dev_err(&pdev->dev, "failed to allocate memory\n");
+ ret = -ENOMEM;
+ goto end;
+ }
+
+ if (of_property_read_bool(np, "spdif-out")) {
+ data->dai[num_links].name = "S/PDIF TX";
+ data->dai[num_links].stream_name = "S/PDIF PCM Playback";
+ data->dai[num_links].codec_dai_name = "dit-hifi";
+ data->dai[num_links].codec_name = "spdif-dit";
+ data->dai[num_links].cpu_of_node = spdif_np;
+ data->dai[num_links].platform_of_node = spdif_np;
+ num_links++;
+
+ data->txdev = platform_device_register_simple("spdif-dit", -1, NULL, 0);
+ if (IS_ERR(data->txdev)) {
+ ret = PTR_ERR(data->txdev);
+ dev_err(&pdev->dev, "register dit failed: %d\n", ret);
+ goto end;
+ }
+ }
+
+ if (of_property_read_bool(np, "spdif-in")) {
+ data->dai[num_links].name = "S/PDIF RX";
+ data->dai[num_links].stream_name = "S/PDIF PCM Capture";
+ data->dai[num_links].codec_dai_name = "dir-hifi";
+ data->dai[num_links].codec_name = "spdif-dir";
+ data->dai[num_links].cpu_of_node = spdif_np;
+ data->dai[num_links].platform_of_node = spdif_np;
+ num_links++;
+
+ data->rxdev = platform_device_register_simple("spdif-dir", -1, NULL, 0);
+ if (IS_ERR(data->rxdev)) {
+ ret = PTR_ERR(data->rxdev);
+ dev_err(&pdev->dev, "register dir failed: %d\n", ret);
+ goto error_dit;
+ }
+ }
+
+ if (!num_links) {
+ dev_err(&pdev->dev, "no enabled S/PDIF DAI link\n");
+ goto error_dir;
+ }
+
+ data->card.dev = &pdev->dev;
+ data->card.num_links = num_links;
+ data->card.dai_link = data->dai;
+
+ ret = snd_soc_of_parse_card_name(&data->card, "model");
+ if (ret)
+ goto error_dir;
+
+ ret = snd_soc_register_card(&data->card);
+ if (ret) {
+ dev_err(&pdev->dev, "snd_soc_register_card failed: %d\n", ret);
+ goto error_dir;
+ }
+
+ platform_set_drvdata(pdev, data);
+
+ goto end;
+
+error_dir:
+ if (data->rxdev)
+ platform_device_unregister(data->rxdev);
+error_dit:
+ if (data->txdev)
+ platform_device_unregister(data->txdev);
+end:
+ if (spdif_np)
+ of_node_put(spdif_np);
+
+ return ret;
+}
+
+static int imx_spdif_audio_remove(struct platform_device *pdev)
+{
+ struct imx_spdif_data *data = platform_get_drvdata(pdev);
+
+ if (data->rxdev)
+ platform_device_unregister(data->rxdev);
+ if (data->txdev)
+ platform_device_unregister(data->txdev);
+
+ snd_soc_unregister_card(&data->card);
+
+ return 0;
+}
+
+static const struct of_device_id imx_spdif_dt_ids[] = {
+ { .compatible = "fsl,imx-audio-spdif", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, imx_spdif_dt_ids);
+
+static struct platform_driver imx_spdif_driver = {
+ .driver = {
+ .name = "imx-spdif",
+ .owner = THIS_MODULE,
+ .of_match_table = imx_spdif_dt_ids,
+ },
+ .probe = imx_spdif_audio_probe,
+ .remove = imx_spdif_audio_remove,
+};
+
+module_platform_driver(imx_spdif_driver);
+
+MODULE_AUTHOR("Freescale Semiconductor, Inc.");
+MODULE_DESCRIPTION("Freescale i.MX S/PDIF machine driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:imx-spdif");
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-20 17:40:50 +0000