[PATCH v2 3/4] ASoC: sunxi: Add S/PDIF machine driver.

[codekipper]

From: Marcus Cooper 

Signed-off-by: Marcus Cooper 
---
 sound/soc/sunxi/sunxi-machine-spdif.c | 108 ++
 1 file changed, 108 insertions(+)
 create mode 100644 sound/soc/sunxi/sunxi-machine-spdif.c

diff --git a/sound/soc/sunxi/sunxi-machine-spdif.c 
b/sound/soc/sunxi/sunxi-machine-spdif.c
new file mode 100644
index 000..2adb727
--- /dev/null
+++ b/sound/soc/sunxi/sunxi-machine-spdif.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2015 Andrea Venturi 
+ * From code by (C) 2013 Freescale Semiconductor, Inc.
+ * (sound/soc/fsl/imx-spdif.c)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 
+#include 
+#include 
+
+struct sunxi_machine_spdif_data {
+   struct snd_soc_dai_link dai;
+   struct snd_soc_card card;
+};
+
+static int sunxi_machine_spdif_audio_probe(struct platform_device *pdev)
+{
+   struct device_node *spdif_np, *np = pdev->dev.of_node;
+   struct sunxi_machine_spdif_data *data;
+   int ret = 0;
+
+   dev_dbg(>dev, "%s: Looking for spdif-controller\n", __func__);
+   spdif_np = of_parse_phandle(np, "spdif-controller", 0);
+   if (!spdif_np) {
+   dev_err(>dev, "failed to find spdif-controller\n");
+   ret = -EINVAL;
+   goto end;
+   }
+
+   data = devm_kzalloc(>dev, sizeof(*data), GFP_KERNEL);
+   if (!data) {
+   ret = -ENOMEM;
+   goto end;
+   }
+
+   data->dai.name = "S/PDIF PCM";
+   data->dai.stream_name = "S/PDIF PCM";
+   data->dai.codec_dai_name = "snd-soc-dummy-dai";
+   data->dai.codec_name = "snd-soc-dummy";
+   data->dai.cpu_of_node = spdif_np;
+   data->dai.platform_of_node = spdif_np;
+   data->dai.playback_only = true;
+   data->dai.capture_only = true;
+
+   if (of_property_read_bool(np, "spdif-out"))
+   data->dai.capture_only = false;
+
+   if (of_property_read_bool(np, "spdif-in"))
+   data->dai.playback_only = false;
+
+   if (data->dai.playback_only && data->dai.capture_only) {
+   dev_err(>dev, "no enabled S/PDIF DAI link\n");
+   goto end;
+   }
+
+   data->card.dev = >dev;
+   data->card.dai_link = >dai;
+   data->card.num_links = 1;
+   data->card.owner = THIS_MODULE;
+
+   ret = snd_soc_of_parse_card_name(>card, "model");
+   if (ret)
+   goto end;
+
+   ret = devm_snd_soc_register_card(>dev, >card);
+   if (ret) {
+   dev_err(>dev, "snd_soc_register_card failed: %d\n", ret);
+   goto end;
+   }
+
+   platform_set_drvdata(pdev, data);
+
+end:
+   of_node_put(spdif_np);
+
+   return ret;
+}
+
+static const struct of_device_id sunxi_machine_spdif_dt_ids[] = {
+   { .compatible = "allwinner,sunxi-audio-spdif", },
+   { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, sunxi_machine_spdif_dt_ids);
+
+static struct platform_driver sunxi_machine_spdif_driver = {
+   .driver = {
+   .name = "sunxi-machine-spdif",
+   .of_match_table = sunxi_machine_spdif_dt_ids,
+   },
+   .probe = sunxi_machine_spdif_audio_probe,
+};
+
+module_platform_driver(sunxi_machine_spdif_driver);
+
+MODULE_AUTHOR("Marcus Cooper ");
+MODULE_AUTHOR("Andrea Venturi, ");
+MODULE_DESCRIPTION("Allwinner sunxi S/PDIF machine driver");
+MODULE_LICENSE("GPL v2");
-- 
1.9.1

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[PATCH v2 3/4] ASoC: sunxi: Add S/PDIF machine driver.

[codekipper]

From: Marcus Cooper 

Signed-off-by: Marcus Cooper 
---
 sound/soc/sunxi/sunxi-machine-spdif.c | 108 ++
 1 file changed, 108 insertions(+)
 create mode 100644 sound/soc/sunxi/sunxi-machine-spdif.c

diff --git a/sound/soc/sunxi/sunxi-machine-spdif.c 
b/sound/soc/sunxi/sunxi-machine-spdif.c
new file mode 100644
index 000..2adb727
--- /dev/null
+++ b/sound/soc/sunxi/sunxi-machine-spdif.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2015 Andrea Venturi 
+ * From code by (C) 2013 Freescale Semiconductor, Inc.
+ * (sound/soc/fsl/imx-spdif.c)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 
+#include 
+#include 
+
+struct sunxi_machine_spdif_data {
+   struct snd_soc_dai_link dai;
+   struct snd_soc_card card;
+};
+
+static int sunxi_machine_spdif_audio_probe(struct platform_device *pdev)
+{
+   struct device_node *spdif_np, *np = pdev->dev.of_node;
+   struct sunxi_machine_spdif_data *data;
+   int ret = 0;
+
+   dev_dbg(>dev, "%s: Looking for spdif-controller\n", __func__);
+   spdif_np = of_parse_phandle(np, "spdif-controller", 0);
+   if (!spdif_np) {
+   dev_err(>dev, "failed to find spdif-controller\n");
+   ret = -EINVAL;
+   goto end;
+   }
+
+   data = devm_kzalloc(>dev, sizeof(*data), GFP_KERNEL);
+   if (!data) {
+   ret = -ENOMEM;
+   goto end;
+   }
+
+   data->dai.name = "S/PDIF PCM";
+   data->dai.stream_name = "S/PDIF PCM";
+   data->dai.codec_dai_name = "snd-soc-dummy-dai";
+   data->dai.codec_name = "snd-soc-dummy";
+   data->dai.cpu_of_node = spdif_np;
+   data->dai.platform_of_node = spdif_np;
+   data->dai.playback_only = true;
+   data->dai.capture_only = true;
+
+   if (of_property_read_bool(np, "spdif-out"))
+   data->dai.capture_only = false;
+
+   if (of_property_read_bool(np, "spdif-in"))
+   data->dai.playback_only = false;
+
+   if (data->dai.playback_only && data->dai.capture_only) {
+   dev_err(>dev, "no enabled S/PDIF DAI link\n");
+   goto end;
+   }
+
+   data->card.dev = >dev;
+   data->card.dai_link = >dai;
+   data->card.num_links = 1;
+   data->card.owner = THIS_MODULE;
+
+   ret = snd_soc_of_parse_card_name(>card, "model");
+   if (ret)
+   goto end;
+
+   ret = devm_snd_soc_register_card(>dev, >card);
+   if (ret) {
+   dev_err(>dev, "snd_soc_register_card failed: %d\n", ret);
+   goto end;
+   }
+
+   platform_set_drvdata(pdev, data);
+
+end:
+   of_node_put(spdif_np);
+
+   return ret;
+}
+
+static const struct of_device_id sunxi_machine_spdif_dt_ids[] = {
+   { .compatible = "allwinner,sunxi-audio-spdif", },
+   { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, sunxi_machine_spdif_dt_ids);
+
+static struct platform_driver sunxi_machine_spdif_driver = {
+   .driver = {
+   .name = "sunxi-machine-spdif",
+   .of_match_table = sunxi_machine_spdif_dt_ids,
+   },
+   .probe = sunxi_machine_spdif_audio_probe,
+};
+
+module_platform_driver(sunxi_machine_spdif_driver);
+
+MODULE_AUTHOR("Marcus Cooper ");
+MODULE_AUTHOR("Andrea Venturi, ");
+MODULE_DESCRIPTION("Allwinner sunxi S/PDIF machine driver");
+MODULE_LICENSE("GPL v2");
-- 
1.9.1

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