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authorTakashi Iwai <tiwai@suse.de>2012-05-21 12:45:18 +0200
committerTakashi Iwai <tiwai@suse.de>2012-05-21 12:45:18 +0200
commit775b2449bdba7c97dda9f274c92bf7a83dac4142 (patch)
treeb4bee45c13762ea93642b1e38c62de454e51cf5d /sound/soc/fsl/imx-pcm.h
parent21363cf0ca5c9c62e34e37422fb1d13d70d3de3c (diff)
parent5fb86e5d4a951ddb0474cdfd809380c8e2a8d101 (diff)
Merge branch 'topic/asoc' into for-linus
Diffstat (limited to 'sound/soc/fsl/imx-pcm.h')
-rw-r--r--sound/soc/fsl/imx-pcm.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/sound/soc/fsl/imx-pcm.h b/sound/soc/fsl/imx-pcm.h
new file mode 100644
index 00000000000..83c0ed7d55c
--- /dev/null
+++ b/sound/soc/fsl/imx-pcm.h
@@ -0,0 +1,33 @@
+/*
+ * 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;
+ bool shared_peripheral; /* The peripheral is on SPBA bus */
+};
+
+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 */