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authorManuel Lauss <manuel.lauss@googlemail.com>2011-07-25 13:44:45 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-07-26 15:40:51 +0100
commitb3c70c9ea62a3ae6c63536e43fa28f965a56de91 (patch)
tree7adb8e6488c0a01df75368635490ae144c0632e6 /sound/soc/au1x/psc.h
parentee47b364860bb21580cc105e6bb6e0dd76b75ad2 (diff)
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.h19
1 files changed, 10 insertions, 9 deletions
diff --git a/sound/soc/au1x/psc.h b/sound/soc/au1x/psc.h
index b30eadd422a..c59b9e544e7 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)