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/* * 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" #define DRV_NAME "pcm030-audio-fabric" 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 (!of_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"); |