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authorTakashi Iwai <tiwai@suse.de>2009-03-24 00:35:56 +0100
committerTakashi Iwai <tiwai@suse.de>2009-03-24 00:35:56 +0100
commit158c1529fe8d0094d0051169fd2b1a23e6305223 (patch)
tree0124bd13dba117eb6e167115074ba03417776c31 /include/sound
parentb5c784894c90042f4fc6348aedc7524e899df281 (diff)
parent6c7578bb0a631d018a68e5f90554f29fbd928055 (diff)
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Merge branch 'topic/atmel' into for-linus
Diffstat (limited to 'include/sound')
-rw-r--r--include/sound/atmel-abdac.h23
-rw-r--r--include/sound/atmel-ac97c.h40
2 files changed, 63 insertions, 0 deletions
diff --git a/include/sound/atmel-abdac.h b/include/sound/atmel-abdac.h
new file mode 100644
index 00000000000..edff6a8ba1b
--- /dev/null
+++ b/include/sound/atmel-abdac.h
@@ -0,0 +1,23 @@
+/*
+ * Driver for the Atmel Audio Bitstream DAC (ABDAC)
+ *
+ * Copyright (C) 2009 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+#ifndef __INCLUDE_SOUND_ATMEL_ABDAC_H
+#define __INCLUDE_SOUND_ATMEL_ABDAC_H
+
+#include <linux/dw_dmac.h>
+
+/**
+ * struct atmel_abdac_pdata - board specific ABDAC configuration
+ * @dws: DMA slave interface to use for sound playback.
+ */
+struct atmel_abdac_pdata {
+ struct dw_dma_slave dws;
+};
+
+#endif /* __INCLUDE_SOUND_ATMEL_ABDAC_H */
diff --git a/include/sound/atmel-ac97c.h b/include/sound/atmel-ac97c.h
new file mode 100644
index 00000000000..e6aabdb4586
--- /dev/null
+++ b/include/sound/atmel-ac97c.h
@@ -0,0 +1,40 @@
+/*
+ * Driver for the Atmel AC97C controller
+ *
+ * Copyright (C) 2005-2009 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+#ifndef __INCLUDE_SOUND_ATMEL_AC97C_H
+#define __INCLUDE_SOUND_ATMEL_AC97C_H
+
+#include <linux/dw_dmac.h>
+
+#define AC97C_CAPTURE 0x01
+#define AC97C_PLAYBACK 0x02
+#define AC97C_BOTH (AC97C_CAPTURE | AC97C_PLAYBACK)
+
+/**
+ * struct atmel_ac97c_pdata - board specific AC97C configuration
+ * @rx_dws: DMA slave interface to use for sound capture.
+ * @tx_dws: DMA slave interface to use for sound playback.
+ * @reset_pin: GPIO pin wired to the reset input on the external AC97 codec,
+ * optional to use, set to -ENODEV if not in use. AC97 layer will
+ * try to do a software reset of the external codec anyway.
+ * @flags: Flags for which directions should be enabled.
+ *
+ * If the user do not want to use a DMA channel for playback or capture, i.e.
+ * only one feature is required on the board. The slave for playback or capture
+ * can be set to NULL. The AC97C driver will take use of this when setting up
+ * the sound streams.
+ */
+struct ac97c_platform_data {
+ struct dw_dma_slave rx_dws;
+ struct dw_dma_slave tx_dws;
+ unsigned int flags;
+ int reset_pin;
+};
+
+#endif /* __INCLUDE_SOUND_ATMEL_AC97C_H */