Add AC97 audio support for Simplemachines Sim.One board.
Signed-off-by: Mika Westerberg mika.westerberg@iki.fi --- arch/arm/mach-ep93xx/simone.c | 1 + sound/soc/ep93xx/Kconfig | 9 ++++ sound/soc/ep93xx/Makefile | 2 + sound/soc/ep93xx/simone.c | 89 +++++++++++++++++++++++++++++++++++++++++ 4 files changed, 101 insertions(+), 0 deletions(-) create mode 100644 sound/soc/ep93xx/simone.c
diff --git a/arch/arm/mach-ep93xx/simone.c b/arch/arm/mach-ep93xx/simone.c index 5dded58..f5f81f9 100644 --- a/arch/arm/mach-ep93xx/simone.c +++ b/arch/arm/mach-ep93xx/simone.c @@ -61,6 +61,7 @@ static void __init simone_init_machine(void) ep93xx_register_fb(&simone_fb_info); ep93xx_register_i2c(&simone_i2c_gpio_data, simone_i2c_board_info, ARRAY_SIZE(simone_i2c_board_info)); + ep93xx_register_ac97(); }
MACHINE_START(SIM_ONE, "Simplemachines Sim.One Board") diff --git a/sound/soc/ep93xx/Kconfig b/sound/soc/ep93xx/Kconfig index 108e5ff..5742904 100644 --- a/sound/soc/ep93xx/Kconfig +++ b/sound/soc/ep93xx/Kconfig @@ -21,3 +21,12 @@ config SND_EP93XX_SOC_SNAPPERCL15 help Say Y or M here if you want to add support for I2S audio on the Bluewater Systems Snapper CL15 module. + +config SND_EP93XX_SOC_SIMONE + tristate "SoC Audio support for Simplemachines Sim.One board" + depends on SND_EP93XX_SOC && MACH_SIM_ONE + select SND_EP93XX_SOC_AC97 + select SND_SOC_AC97_CODEC + help + Say Y or M here if you want to add support for AC97 audio on the + Simplemachines Sim.One board. diff --git a/sound/soc/ep93xx/Makefile b/sound/soc/ep93xx/Makefile index ac06e00..8e7977f 100644 --- a/sound/soc/ep93xx/Makefile +++ b/sound/soc/ep93xx/Makefile @@ -9,5 +9,7 @@ obj-$(CONFIG_SND_EP93XX_SOC_AC97) += snd-soc-ep93xx-ac97.o
# EP93XX Machine Support snd-soc-snappercl15-objs := snappercl15.o +snd-soc-simone-objs := simone.o
obj-$(CONFIG_SND_EP93XX_SOC_SNAPPERCL15) += snd-soc-snappercl15.o +obj-$(CONFIG_SND_EP93XX_SOC_SIMONE) += snd-soc-simone.o diff --git a/sound/soc/ep93xx/simone.c b/sound/soc/ep93xx/simone.c new file mode 100644 index 0000000..4b0d199 --- /dev/null +++ b/sound/soc/ep93xx/simone.c @@ -0,0 +1,89 @@ +/* + * simone.c -- ASoC audio for Simplemachines Sim.One board + * + * Copyright (c) 2010 Mika Westerberg + * + * Based on snappercl15 machine driver by Ryan Mallon. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/platform_device.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <mach/hardware.h> + +#include "ep93xx-pcm.h" + +static struct snd_soc_dai_link simone_dai = { + .name = "AC97", + .stream_name = "AC97 HiFi", + .cpu_dai_name = "ep93xx-ac97", + .codec_dai_name = "ac97-hifi", + .codec_name = "ac97-codec", + .platform_name = "ep93xx-pcm-audio", +}; + +static struct snd_soc_card snd_soc_simone = { + .name = "Sim.One", + .dai_link = &simone_dai, + .num_links = 1, +}; + +static struct platform_device *simone_snd_ac97_device; +static struct platform_device *simone_snd_device; + +static int __init simone_init(void) +{ + int ret; + + if (!machine_is_sim_one()) + return -ENODEV; + + simone_snd_ac97_device = platform_device_alloc("ac97-codec", -1); + if (!simone_snd_ac97_device) + return -ENOMEM; + + ret = platform_device_add(simone_snd_ac97_device); + if (ret) + goto fail; + + simone_snd_device = platform_device_alloc("soc-audio", -1); + if (!simone_snd_device) { + ret = -ENOMEM; + goto fail; + } + + platform_set_drvdata(simone_snd_device, &snd_soc_simone); + ret = platform_device_add(simone_snd_device); + if (ret) { + platform_device_put(simone_snd_device); + goto fail; + } + + return ret; + +fail: + platform_device_put(simone_snd_ac97_device); + return ret; +} +module_init(simone_init); + +static void __exit simone_exit(void) +{ + platform_device_unregister(simone_snd_device); + platform_device_unregister(simone_snd_ac97_device); +} +module_exit(simone_exit); + +MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One"); +MODULE_AUTHOR("Mika Westerberg mika.westerberg@iki.fi"); +MODULE_LICENSE("GPL");