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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-10-04 19:31:52 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-10-05 23:17:55 +0400
commite10f871190ce2f912317c874a56b9cc417e46e84 (patch)
tree4a8eaddb1f41889bfd39e52b3865c12abc801c23 /sound/soc/codecs/wmfw.h
parent09d5d5880eb436d623013a1e3c32ad33ae8e6b09 (diff)
downloadlinux-e10f871190ce2f912317c874a56b9cc417e46e84.tar.xz
ASoC: wm2200: Initial DSP support
Support download and execution of firmwares to the DSPs on the WM2200. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wmfw.h')
-rw-r--r--sound/soc/codecs/wmfw.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/sound/soc/codecs/wmfw.h b/sound/soc/codecs/wmfw.h
new file mode 100644
index 000000000000..ef37316f0643
--- /dev/null
+++ b/sound/soc/codecs/wmfw.h
@@ -0,0 +1,56 @@
+/*
+ * wmfw.h - Wolfson firmware format information
+ *
+ * Copyright 2012 Wolfson Microelectronics plc
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * 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 __WMFW_H
+#define __WMFW_H
+
+#include <linux/types.h>
+
+struct wmfw_header {
+ char magic[4];
+ __le32 len;
+ __le16 rev;
+ u8 core;
+ u8 ver;
+} __packed;
+
+struct wmfw_footer {
+ __le64 timestamp;
+ __le32 checksum;
+} __packed;
+
+struct wmfw_adsp1_sizes {
+ __le32 dm;
+ __le32 pm;
+ __le32 zm;
+} __packed;
+
+struct wmfw_region {
+ union {
+ __be32 type;
+ __le32 offset;
+ };
+ __le32 len;
+ u8 data[];
+} __packed;
+
+#define WMFW_ADSP1 1
+
+#define WMFW_ABSOLUTE 0xf0
+#define WMFW_NAME_TEXT 0xfe
+#define WMFW_INFO_TEXT 0xff
+
+#define WMFW_ADSP1_PM 2
+#define WMFW_ADSP1_DM 3
+#define WMFW_ADSP1_ZM 4
+
+#endif