From: Ian Molton spyro@f2s.com
Currently only the AUX channel is used (touchscreen)
Signed-off-by: Ian Molton spyro@f2s.com Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/pxa/Kconfig | 9 ++++ sound/soc/pxa/Makefile | 2 + sound/soc/pxa/e800_wm9712.c | 90 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 101 insertions(+), 0 deletions(-) create mode 100644 sound/soc/pxa/e800_wm9712.c
diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig index a83e229..484f883 100644 --- a/sound/soc/pxa/Kconfig +++ b/sound/soc/pxa/Kconfig @@ -53,3 +53,12 @@ config SND_PXA2XX_SOC_TOSA help Say Y if you want to add support for SoC audio on Sharp Zaurus SL-C6000x models (Tosa). + +config SND_PXA2XX_SOC_E800 + tristate "SoC AC97 Audio support for e800" + depends on SND_PXA2XX_SOC && MACH_E800 + select SND_SOC_WM9712 + select SND_PXA2XX_SOC_AC97 + help + Say Y if you want to add support for SoC audio on the + Toshiba e800 PDA diff --git a/sound/soc/pxa/Makefile b/sound/soc/pxa/Makefile index 78e0d6b..04e5646 100644 --- a/sound/soc/pxa/Makefile +++ b/sound/soc/pxa/Makefile @@ -11,10 +11,12 @@ obj-$(CONFIG_SND_PXA2XX_SOC_I2S) += snd-soc-pxa2xx-i2s.o snd-soc-corgi-objs := corgi.o snd-soc-poodle-objs := poodle.o snd-soc-tosa-objs := tosa.o +snd-soc-e800-objs := e800_wm9712.o snd-soc-spitz-objs := spitz.o
obj-$(CONFIG_SND_PXA2XX_SOC_CORGI) += snd-soc-corgi.o obj-$(CONFIG_SND_PXA2XX_SOC_POODLE) += snd-soc-poodle.o obj-$(CONFIG_SND_PXA2XX_SOC_TOSA) += snd-soc-tosa.o +obj-$(CONFIG_SND_PXA2XX_SOC_E800) += snd-soc-e800.o obj-$(CONFIG_SND_PXA2XX_SOC_SPITZ) += snd-soc-spitz.o
diff --git a/sound/soc/pxa/e800_wm9712.c b/sound/soc/pxa/e800_wm9712.c new file mode 100644 index 0000000..1e25722 --- /dev/null +++ b/sound/soc/pxa/e800_wm9712.c @@ -0,0 +1,90 @@ +/* + * e800-wm9712.c -- SoC audio for e800 + * + * Based on tosa.c + * + * Copyright 2007 (c) Ian Molton spyro@f2s.com + * + * 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; version 2 ONLY. + * + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/device.h> + +#include <sound/driver.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> + +#include <asm/mach-types.h> +#include <asm/arch/pxa-regs.h> +#include <asm/arch/hardware.h> +#include <asm/arch/audio.h> + +#include "../codecs/wm9712.h" +#include "pxa2xx-pcm.h" +#include "pxa2xx-ac97.h" + +static struct snd_soc_machine e800; + +static struct snd_soc_dai_link e800_dai[] = { +{ + .name = "AC97 Aux", + .stream_name = "AC97 Aux", + .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX], + .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX], +}, +}; + +static struct snd_soc_machine e800 = { + .name = "Toshiba e800", + .dai_link = e800_dai, + .num_links = ARRAY_SIZE(e800_dai), +}; + +static struct snd_soc_device e800_snd_devdata = { + .machine = &e800, + .platform = &pxa2xx_soc_platform, + .codec_dev = &soc_codec_dev_wm9712, +}; + +static struct platform_device *e800_snd_device; + +static int __init e800_init(void) +{ + int ret; + + if (!machine_is_e800()) + return -ENODEV; + + e800_snd_device = platform_device_alloc("soc-audio", -1); + if (!e800_snd_device) + return -ENOMEM; + + platform_set_drvdata(e800_snd_device, &e800_snd_devdata); + e800_snd_devdata.dev = &e800_snd_device->dev; + ret = platform_device_add(e800_snd_device); + + if (ret) + platform_device_put(e800_snd_device); + + return ret; +} + +static void __exit e800_exit(void) +{ + platform_device_unregister(e800_snd_device); +} + +module_init(e800_init); +module_exit(e800_exit); + +/* Module information */ +MODULE_AUTHOR("Ian Molton spyro@f2s.com"); +MODULE_DESCRIPTION("ALSA SoC driver for e800"); +MODULE_LICENSE("GPL");