96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
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/*
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* Efika 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 "mpc5200_dma.h"
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#define DRV_NAME "efika-audio-fabric"
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SND_SOC_DAILINK_DEFS(analog,
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DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.0")),
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DAILINK_COMP_ARRAY(COMP_CODEC("stac9766-codec",
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"stac9766-hifi-analog")),
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DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5200-pcm-audio")));
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SND_SOC_DAILINK_DEFS(iec958,
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DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.1")),
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DAILINK_COMP_ARRAY(COMP_CODEC("stac9766-codec",
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"stac9766-hifi-IEC958")),
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DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5200-pcm-audio")));
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static struct snd_soc_dai_link efika_fabric_dai[] = {
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{
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.name = "AC97",
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.stream_name = "AC97 Analog",
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SND_SOC_DAILINK_REG(analog),
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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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SND_SOC_DAILINK_REG(iec958),
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},
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};
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static struct snd_soc_card card = {
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.name = "Efika",
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.owner = THIS_MODULE,
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.dai_link = efika_fabric_dai,
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.num_links = ARRAY_SIZE(efika_fabric_dai),
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};
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static __init int efika_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 (!of_machine_is_compatible("bplan,efika"))
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return -ENODEV;
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pdev = platform_device_alloc("soc-audio", 1);
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if (!pdev) {
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pr_err("efika_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, &card);
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rc = platform_device_add(pdev);
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if (rc) {
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pr_err("efika_fabric_init: platform_device_add() failed\n");
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platform_device_put(pdev);
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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(efika_fabric_init);
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MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
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MODULE_DESCRIPTION(DRV_NAME ": mpc5200 Efika fabric driver");
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MODULE_LICENSE("GPL");
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