93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
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/*
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* Phytec pcm030 driver for the PSC of the Freescale MPC52xx
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* configured as AC97 interface
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*
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* Copyright 2008 Jon Smirl, Digispeaker
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* Author: Jon Smirl <jonsmirl@gmail.com>
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/interrupt.h>
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#include <linux/device.h>
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#include <linux/delay.h>
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#include <linux/of_device.h>
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#include <linux/of_platform.h>
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#include <linux/dma-mapping.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/initval.h>
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#include <sound/soc.h>
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#include <sound/soc-of-simple.h>
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#include "mpc5200_dma.h"
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#include "mpc5200_psc_ac97.h"
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#include "../codecs/wm9712.h"
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#define DRV_NAME "pcm030-audio-fabric"
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static struct snd_soc_device device;
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static struct snd_soc_card card;
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static struct snd_soc_dai_link pcm030_fabric_dai[] = {
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{
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.name = "AC97",
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.stream_name = "AC97 Analog",
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.codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
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.cpu_dai = &psc_ac97_dai[MPC5200_AC97_NORMAL],
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},
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{
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.name = "AC97",
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.stream_name = "AC97 IEC958",
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.codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
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.cpu_dai = &psc_ac97_dai[MPC5200_AC97_SPDIF],
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},
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};
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static __init int pcm030_fabric_init(void)
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{
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struct platform_device *pdev;
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int rc;
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if (!machine_is_compatible("phytec,pcm030"))
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return -ENODEV;
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card.platform = &mpc5200_audio_dma_platform;
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card.name = "pcm030";
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card.dai_link = pcm030_fabric_dai;
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card.num_links = ARRAY_SIZE(pcm030_fabric_dai);
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device.card = &card;
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device.codec_dev = &soc_codec_dev_wm9712;
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pdev = platform_device_alloc("soc-audio", 1);
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if (!pdev) {
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pr_err("pcm030_fabric_init: platform_device_alloc() failed\n");
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return -ENODEV;
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}
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platform_set_drvdata(pdev, &device);
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device.dev = &pdev->dev;
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rc = platform_device_add(pdev);
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if (rc) {
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pr_err("pcm030_fabric_init: platform_device_add() failed\n");
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return -ENODEV;
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}
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return 0;
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}
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module_init(pcm030_fabric_init);
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MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
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MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver");
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MODULE_LICENSE("GPL");
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