diff options
Diffstat (limited to 'sound/soc/stmp3xxx/stmp3780_devb_spdif.c')
-rw-r--r-- | sound/soc/stmp3xxx/stmp3780_devb_spdif.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/sound/soc/stmp3xxx/stmp3780_devb_spdif.c b/sound/soc/stmp3xxx/stmp3780_devb_spdif.c new file mode 100644 index 000000000000..4e2377e23370 --- /dev/null +++ b/sound/soc/stmp3xxx/stmp3780_devb_spdif.c @@ -0,0 +1,95 @@ +/* + * ASoC driver for STMP3780 development board + * + * Vladimir Barinov <vbarinov@embeddedalley.com> + * + * Copyright 2008 SigmaTel, Inc + * Copyright 2008 Embedded Alley Solutions, Inc + * Copyright 2008-2009 Freescale Semiconductor, Inc. + * + * 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/module.h> +#include <linux/moduleparam.h> +#include <linux/timer.h> +#include <linux/interrupt.h> +#include <linux/platform_device.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/dma.h> +#include <mach/hardware.h> +#include <mach/regs-apbx.h> + +#include <mach/stmp3xxx.h> + +#include "../codecs/stmp3xxx_spdif.h" +#include "stmp3xxx_spdif_dai.h" +#include "stmp3xxx_pcm.h" + +extern int spdif_pinmux(int); + +/* stmp3780 devb digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link stmp3780_devb_dai = { + .name = "STMP3XXX SPDIF", + .stream_name = "STMP3XXX SPDIF", + .cpu_dai = &stmp3xxx_spdif_dai, + .codec_dai = &stmp3xxx_spdif_codec_dai, +}; + +/* stmp3780 devb audio machine driver */ +static struct snd_soc_card snd_soc_machine_stmp3780_devb = { + .name = "STMP3780 Devb", + .platform = &stmp3xxx_soc_platform, + .dai_link = &stmp3780_devb_dai, + .num_links = 1, +}; + +/* stmp3780 devb audio subsystem */ +static struct snd_soc_device stmp3780_devb_snd_devdata = { + .card = &snd_soc_machine_stmp3780_devb, + .codec_dev = &soc_spdif_codec_dev_stmp3xxx, +}; + +static struct platform_device *stmp3780_devb_snd_device; + +static int __init stmp3780_devb_init(void) +{ + int ret = 0; + + stmp3780_devb_snd_device = platform_device_alloc("soc-audio", 1); + if (!stmp3780_devb_snd_device) + return -ENOMEM; + + platform_set_drvdata(stmp3780_devb_snd_device, + &stmp3780_devb_snd_devdata); + stmp3780_devb_snd_devdata.dev = &stmp3780_devb_snd_device->dev; + stmp3780_devb_snd_device->dev.platform_data = + &stmp3780_devb_snd_devdata; + + ret = platform_device_add(stmp3780_devb_snd_device); + if (ret) + platform_device_put(stmp3780_devb_snd_device); + + spdif_pinmux(1); + + return ret; +} + +static void __exit stmp3780_devb_exit(void) +{ + spdif_pinmux(0); + platform_device_unregister(stmp3780_devb_snd_device); +} + +module_init(stmp3780_devb_init); +module_exit(stmp3780_devb_exit); + +MODULE_AUTHOR("Vladimir Barinov"); +MODULE_DESCRIPTION("STMP3780 development board ASoC driver"); +MODULE_LICENSE("GPL"); |