diff options
| author | Manuel Lauss <manuel.lauss@googlemail.com> | 2011-07-25 15:44:45 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-07-26 18:40:51 +0400 |
| commit | b3c70c9ea62a3ae6c63536e43fa28f965a56de91 (patch) | |
| tree | 7adb8e6488c0a01df75368635490ae144c0632e6 /sound/soc/au1x/psc.h | |
| parent | ee47b364860bb21580cc105e6bb6e0dd76b75ad2 (diff) | |
| download | linux-b3c70c9ea62a3ae6c63536e43fa28f965a56de91.tar.xz | |
ASoC: Alchemy AC97C/I2SC audio support
This patch adds ASoC support for the AC97 and I2S controllers
on the old Au1000/Au1500/Au1100 chips,
AC97 Tested on a Db1500. I2S untested since none of the boards
actually have an I2S codec wired up (just test pins).
Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/au1x/psc.h')
| -rw-r--r-- | sound/soc/au1x/psc.h | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/sound/soc/au1x/psc.h b/sound/soc/au1x/psc.h index b30eadd422a7..c59b9e544e72 100644 --- a/sound/soc/au1x/psc.h +++ b/sound/soc/au1x/psc.h @@ -1,7 +1,7 @@ /* - * Au12x0/Au1550 PSC ALSA ASoC audio support. + * Alchemy ALSA ASoC audio support. * - * (c) 2007-2008 MSC Vertriebsges.m.b.H., + * (c) 2007-2011 MSC Vertriebsges.m.b.H., * Manuel Lauss <manuel.lauss@gmail.com> * * This program is free software; you can redistribute it and/or modify @@ -13,7 +13,13 @@ #ifndef _AU1X_PCM_H #define _AU1X_PCM_H -/* DBDMA helpers */ +#define PCM_TX 0 +#define PCM_RX 1 + +#define SUBSTREAM_TYPE(substream) \ + ((substream)->stream == SNDRV_PCM_STREAM_PLAYBACK ? PCM_TX : PCM_RX) + +/* PSC/DBDMA helpers */ extern struct platform_device *au1xpsc_pcm_add(struct platform_device *pdev); extern void au1xpsc_pcm_destroy(struct platform_device *dmapd); @@ -27,15 +33,10 @@ struct au1xpsc_audio_data { unsigned long pm[2]; struct mutex lock; + int dmaids[2]; struct platform_device *dmapd; }; -#define PCM_TX 0 -#define PCM_RX 1 - -#define SUBSTREAM_TYPE(substream) \ - ((substream)->stream == SNDRV_PCM_STREAM_PLAYBACK ? PCM_TX : PCM_RX) - /* easy access macros */ #define PSC_CTRL(x) ((unsigned long)((x)->mmio) + PSC_CTRL_OFFSET) #define PSC_SEL(x) ((unsigned long)((x)->mmio) + PSC_SEL_OFFSET) |