/* * phycore-ac97.c -- SoC audio for imx_phycore in AC97 mode * * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/device.h> #include <linux/i2c.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/soc.h> #include <asm/mach-types.h> static struct snd_soc_card imx_phycore; static struct snd_soc_ops imx_phycore_hifi_ops = { }; static struct snd_soc_dai_link imx_phycore_dai_ac97[] = { { .name = "HiFi", .stream_name = "HiFi", .codec_dai_name = "wm9712-hifi", .codec_name = "wm9712-codec", .cpu_dai_name = "imx-ssi.0", .platform_name = "imx-fiq-pcm-audio.0", .ops = &imx_phycore_hifi_ops, }, }; static struct snd_soc_card imx_phycore = { .name = "PhyCORE-ac97-audio", .dai_link = imx_phycore_dai_ac97, .num_links = ARRAY_SIZE(imx_phycore_dai_ac97), }; static struct platform_device *imx_phycore_snd_ac97_device; static struct platform_device *imx_phycore_snd_device; static int __init imx_phycore_init(void) { int ret; if (!machine_is_pcm043() && !machine_is_pca100()) /* return happy. We might run on a totally different machine */ return 0; imx_phycore_snd_ac97_device = platform_device_alloc("soc-audio", -1); if (!imx_phycore_snd_ac97_device) return -ENOMEM; platform_set_drvdata(imx_phycore_snd_ac97_device, &imx_phycore); ret = platform_device_add(imx_phycore_snd_ac97_device); if (ret) goto fail1; imx_phycore_snd_device = platform_device_alloc("wm9712-codec", -1); if (!imx_phycore_snd_device) { ret = -ENOMEM; goto fail2; } ret = platform_device_add(imx_phycore_snd_device); if (ret) { printk(KERN_ERR "ASoC: Platform device allocation failed\n"); goto fail3; } return 0; fail3: platform_device_put(imx_phycore_snd_device); fail2: platform_device_del(imx_phycore_snd_ac97_device); fail1: platform_device_put(imx_phycore_snd_ac97_device); return ret; } static void __exit imx_phycore_exit(void) { platform_device_unregister(imx_phycore_snd_device); platform_device_unregister(imx_phycore_snd_ac97_device); } late_initcall(imx_phycore_init); module_exit(imx_phycore_exit); MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>"); MODULE_DESCRIPTION("PhyCORE ALSA SoC driver"); MODULE_LICENSE("GPL");