Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / soc / fsl / efika-audio-fabric.c

diff --git a/kernel/sound/soc/fsl/efika-audio-fabric.c b/kernel/sound/soc/fsl/efika-audio-fabric.c
new file mode 100644 (file)
index 0000000..b2acd32
--- /dev/null
+++ b/kernel/sound/soc/fsl/efika-audio-fabric.c
@@ -0,0 +1,91 @@
+/*
+ * Efika driver for the PSC of the Freescale MPC52xx
+ * configured as AC97 interface
+ *
+ * Copyright 2008 Jon Smirl, Digispeaker
+ * Author: Jon Smirl <jonsmirl@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
+#include <linux/dma-mapping.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#include "mpc5200_dma.h"
+#include "mpc5200_psc_ac97.h"
+#include "../codecs/stac9766.h"
+
+#define DRV_NAME "efika-audio-fabric"
+
+static struct snd_soc_dai_link efika_fabric_dai[] = {
+{
+       .name = "AC97",
+       .stream_name = "AC97 Analog",
+       .codec_dai_name = "stac9766-hifi-analog",
+       .cpu_dai_name = "mpc5200-psc-ac97.0",
+       .platform_name = "mpc5200-pcm-audio",
+       .codec_name = "stac9766-codec",
+},
+{
+       .name = "AC97",
+       .stream_name = "AC97 IEC958",
+       .codec_dai_name = "stac9766-hifi-IEC958",
+       .cpu_dai_name = "mpc5200-psc-ac97.1",
+       .platform_name = "mpc5200-pcm-audio",
+       .codec_name = "stac9766-codec",
+},
+};
+
+static struct snd_soc_card card = {
+       .name = "Efika",
+       .owner = THIS_MODULE,
+       .dai_link = efika_fabric_dai,
+       .num_links = ARRAY_SIZE(efika_fabric_dai),
+};
+
+static __init int efika_fabric_init(void)
+{
+       struct platform_device *pdev;
+       int rc;
+
+       if (!of_machine_is_compatible("bplan,efika"))
+               return -ENODEV;
+
+       pdev = platform_device_alloc("soc-audio", 1);
+       if (!pdev) {
+               pr_err("efika_fabric_init: platform_device_alloc() failed\n");
+               return -ENODEV;
+       }
+
+       platform_set_drvdata(pdev, &card);
+
+       rc = platform_device_add(pdev);
+       if (rc) {
+               pr_err("efika_fabric_init: platform_device_add() failed\n");
+               platform_device_put(pdev);
+               return -ENODEV;
+       }
+       return 0;
+}
+
+module_init(efika_fabric_init);
+
+
+MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
+MODULE_DESCRIPTION(DRV_NAME ": mpc5200 Efika fabric driver");
+MODULE_LICENSE("GPL");
+