Support for AC97 on Phytec pmc030 base board. A wm9712 AC97 codec is used.
Signed-off-by: Jon Smirl jonsmirl@gmail.com --- sound/soc/fsl/Kconfig | 7 +++ sound/soc/fsl/Makefile | 3 + sound/soc/fsl/pcm030-audio-fabric.c | 95 +++++++++++++++++++++++++++++++++++ 3 files changed, 105 insertions(+), 0 deletions(-) create mode 100644 sound/soc/fsl/pcm030-audio-fabric.c
diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 3bce952..79579ae 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -39,4 +39,11 @@ config SND_SOC_MPC5200_AC97 help Say Y here to support the MPC5200 PSCs in AC97 mode.
+config SND_MPC52xx_SOC_PCM030 + tristate "SoC AC97 Audio support for Phytec pcm030 and WM9712" + depends on PPC_MPC5200_SIMPLE + select SND_SOC_MPC5200_AC97 + select SND_SOC_WM9712 + help + Say Y if you want to add support for sound on the Phytec pcm030 baseboard.
diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile index 14631a1..66d88c8 100644 --- a/sound/soc/fsl/Makefile +++ b/sound/soc/fsl/Makefile @@ -15,3 +15,6 @@ obj-$(CONFIG_SND_MPC52xx_DMA) += mpc5200_dma.o obj-$(CONFIG_SND_SOC_MPC5200_I2S) += mpc5200_psc_i2s.o obj-$(CONFIG_SND_SOC_MPC5200_AC97) += mpc5200_psc_ac97.o
+# MPC5200 Machine Support +obj-$(CONFIG_SND_MPC52xx_SOC_PCM030) += pcm030-audio-fabric.o + diff --git a/sound/soc/fsl/pcm030-audio-fabric.c b/sound/soc/fsl/pcm030-audio-fabric.c new file mode 100644 index 0000000..2c426d5 --- /dev/null +++ b/sound/soc/fsl/pcm030-audio-fabric.c @@ -0,0 +1,95 @@ +/* + * 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" + +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 (!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; +} + +static __exit void pcm030_fabric_exit(void) +{ +} + +module_init(pcm030_fabric_init); +module_exit(pcm030_fabric_exit); + + +MODULE_AUTHOR("Jon Smirl jonsmirl@gmail.com"); +MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver"); +MODULE_LICENSE("GPL"); +