ASoC: Support for AC97 on Phytec pmc030 base board.

[safe/jmp/linux-2.6] / sound / soc / fsl / pcm030-audio-fabric.c

diff --git a/sound/soc/fsl/pcm030-audio-fabric.c b/sound/soc/fsl/pcm030-audio-fabric.c
new file mode 100644 (file)
index 0000000..8766f7a
--- /dev/null
+++ b/sound/soc/fsl/pcm030-audio-fabric.c
@@ -0,0 +1,90 @@
+/*
+ * Phytec pcm030 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 <sound/soc-of-simple.h>
+
+#include "mpc5200_dma.h"
+#include "mpc5200_psc_ac97.h"
+#include "../codecs/wm9712.h"
+
+static struct snd_soc_device device;
+static struct snd_soc_card card;
+
+static struct snd_soc_dai_link pcm030_fabric_dai[] = {
+{
+       .name = "AC97",
+       .stream_name = "AC97 Analog",
+       .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
+       .cpu_dai = &psc_ac97_dai[MPC5200_AC97_NORMAL],
+},
+{
+       .name = "AC97",
+       .stream_name = "AC97 IEC958",
+       .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
+       .cpu_dai = &psc_ac97_dai[MPC5200_AC97_SPDIF],
+},
+};
+
+static __init int pcm030_fabric_init(void)
+{
+       struct platform_device *pdev;
+       int rc;
+
+       if (!machine_is_compatible("phytec,pcm030"))
+               return -ENODEV;
+
+       card.platform = &mpc5200_audio_dma_platform;
+       card.name = "pcm030";
+       card.dai_link = pcm030_fabric_dai;
+       card.num_links = ARRAY_SIZE(pcm030_fabric_dai);
+
+       device.card = &card;
+       device.codec_dev = &soc_codec_dev_wm9712;
+
+       pdev = platform_device_alloc("soc-audio", 1);
+       if (!pdev) {
+               pr_err("pcm030_fabric_init: platform_device_alloc() failed\n");
+               return -ENODEV;
+       }
+
+       platform_set_drvdata(pdev, &device);
+       device.dev = &pdev->dev;
+
+       rc = platform_device_add(pdev);
+       if (rc) {
+               pr_err("pcm030_fabric_init: platform_device_add() failed\n");
+               return -ENODEV;
+       }
+       return 0;
+}
+
+module_init(pcm030_fabric_init);
+
+
+MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
+MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver");
+MODULE_LICENSE("GPL");
+