ASoC: Initial WM8904 CODEC driver

[pandora-kernel.git] / include / sound / wm8904.h

diff --git a/include/sound/wm8904.h b/include/sound/wm8904.h
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+++ b/include/sound/wm8904.h
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+/*
+ * Platform data for WM8904
+ *
+ * Copyright 2009 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 as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#ifndef __MFD_WM8994_PDATA_H__
+#define __MFD_WM8994_PDATA_H__
+
+#define WM8904_DRC_REGS 4
+#define WM8904_EQ_REGS  25
+
+/**
+ * DRC configurations are specified with a label and a set of register
+ * values to write (the enable bits will be ignored).  At runtime an
+ * enumerated control will be presented for each DRC block allowing
+ * the user to choose the configration to use.
+ *
+ * Configurations may be generated by hand or by using the DRC control
+ * panel provided by the WISCE - see  http://www.wolfsonmicro.com/wisce/
+ * for details.
+ */
+struct wm8904_drc_cfg {
+       const char *name;
+       u16 regs[WM8904_DRC_REGS];
+};
+
+/**
+ * ReTune Mobile configurations are specified with a label, sample
+ * rate and set of values to write (the enable bits will be ignored).
+ *
+ * Configurations are expected to be generated using the ReTune Mobile
+ * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
+ */
+struct wm8904_retune_mobile_cfg {
+       const char *name;
+       unsigned int rate;
+       u16 regs[WM8904_EQ_REGS];
+};
+
+struct wm8904_pdata {
+       int num_drc_cfgs;
+       struct wm8904_drc_cfg *drc_cfgs;
+
+       int num_retune_mobile_cfgs;
+       struct wm8904_retune_mobile_cfg *retune_mobile_cfgs;
+};
+
+#endif