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95 lines
2.2 KiB
95 lines
2.2 KiB
/* |
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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 <[email protected]> |
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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 <[email protected]>"); |
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MODULE_DESCRIPTION(DRV_NAME ": mpc5200 Efika fabric driver"); |
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MODULE_LICENSE("GPL"); |
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