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- /*
- * 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"
- #define DRV_NAME "efika-audio-fabric"
- SND_SOC_DAILINK_DEFS(analog,
- DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.0")),
- DAILINK_COMP_ARRAY(COMP_CODEC("stac9766-codec",
- "stac9766-hifi-analog")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5200-pcm-audio")));
- SND_SOC_DAILINK_DEFS(iec958,
- DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.1")),
- DAILINK_COMP_ARRAY(COMP_CODEC("stac9766-codec",
- "stac9766-hifi-IEC958")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5200-pcm-audio")));
- static struct snd_soc_dai_link efika_fabric_dai[] = {
- {
- .name = "AC97",
- .stream_name = "AC97 Analog",
- SND_SOC_DAILINK_REG(analog),
- },
- {
- .name = "AC97",
- .stream_name = "AC97 IEC958",
- SND_SOC_DAILINK_REG(iec958),
- },
- };
- 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");
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