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authorTakashi Iwai <tiwai@suse.de>2012-03-18 21:22:37 +0400
committerTakashi Iwai <tiwai@suse.de>2012-03-18 21:22:37 +0400
commitcb3f2adc03ab055b19c677a6283523861fafebdd (patch)
tree59cfb6800f0635a4aec16c8e0da619f27e51ee79 /sound/soc/imx/imx-pcm.h
parent44c76a960a62fcc46cbcaa0a22a34e666a729329 (diff)
parent828006de1bddf83b6ecf03ec459c15f7c7c22db7 (diff)
downloadlinux-cb3f2adc03ab055b19c677a6283523861fafebdd.tar.xz
Merge branch 'topic/asoc' into for-linus
Diffstat (limited to 'sound/soc/imx/imx-pcm.h')
-rw-r--r--sound/soc/imx/imx-pcm.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/sound/soc/imx/imx-pcm.h b/sound/soc/imx/imx-pcm.h
new file mode 100644
index 000000000000..b5f5c3acf34d
--- /dev/null
+++ b/sound/soc/imx/imx-pcm.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * This code is based on code copyrighted by Freescale,
+ * Liam Girdwood, Javier Martin and probably others.
+ *
+ * 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; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef _IMX_PCM_H
+#define _IMX_PCM_H
+
+/*
+ * Do not change this as the FIQ handler depends on this size
+ */
+#define IMX_SSI_DMABUF_SIZE (64 * 1024)
+
+struct imx_pcm_dma_params {
+ int dma;
+ unsigned long dma_addr;
+ int burstsize;
+};
+
+int snd_imx_pcm_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma);
+int imx_pcm_new(struct snd_soc_pcm_runtime *rtd);
+void imx_pcm_free(struct snd_pcm *pcm);
+
+#endif /* _IMX_PCM_H */