diff options
Diffstat (limited to 'sound/soc/fsl/efika-audio-fabric.c')
| -rw-r--r-- | sound/soc/fsl/efika-audio-fabric.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/sound/soc/fsl/efika-audio-fabric.c b/sound/soc/fsl/efika-audio-fabric.c new file mode 100644 index 000000000..8f6396fae --- /dev/null +++ b/sound/soc/fsl/efika-audio-fabric.c @@ -0,0 +1,95 @@ +/* + * 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"); + |