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-rw-r--r--sound/soc/codecs/sigmadsp.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/sound/soc/codecs/sigmadsp.h b/sound/soc/codecs/sigmadsp.h
new file mode 100644
index 00000000000..c47cd23e982
--- /dev/null
+++ b/sound/soc/codecs/sigmadsp.h
@@ -0,0 +1,41 @@
+/*
+ * Load firmware files from Analog Devices SigmaStudio
+ *
+ * Copyright 2009-2011 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __SIGMA_FIRMWARE_H__
+#define __SIGMA_FIRMWARE_H__
+
+#include <linux/device.h>
+#include <linux/regmap.h>
+
+struct sigma_action {
+ u8 instr;
+ u8 len_hi;
+ __le16 len;
+ __be16 addr;
+ unsigned char payload[];
+} __packed;
+
+struct sigma_firmware {
+ const struct firmware *fw;
+ size_t pos;
+
+ void *control_data;
+ int (*write)(void *control_data, const struct sigma_action *sa,
+ size_t len);
+};
+
+int _process_sigma_firmware(struct device *dev,
+ struct sigma_firmware *ssfw, const char *name);
+
+struct i2c_client;
+
+extern int process_sigma_firmware(struct i2c_client *client, const char *name);
+extern int process_sigma_firmware_regmap(struct device *dev,
+ struct regmap *regmap, const char *name);
+
+#endif