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/*
* include/linux/mfd/wm8994/pdata.h -- Platform data for WM8994
*
* 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 WM8994_NUM_LDO 2
#define WM8994_NUM_GPIO 11
struct wm8994_ldo_pdata {
/** GPIOs to enable regulator, 0 or less if not available */
int enable;
const char *supply;
struct regulator_init_data *init_data;
};
#define WM8994_CONFIGURE_GPIO 0x8000
#define WM8994_DRC_REGS 5
#define WM8994_EQ_REGS 20
#define WM8958_MBC_CUTOFF_REGS 20
#define WM8958_MBC_COEFF_REGS 48
/**
* 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 wm8994_drc_cfg {
const char *name;
u16 regs[WM8994_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 wm8994_retune_mobile_cfg {
const char *name;
unsigned int rate;
u16 regs[WM8994_EQ_REGS];
};
/**
* Multiband compressor configurations are specified with a label and
* two sets of values to write. Configurations are expected to be
* generated using the multiband compressor configuration panel in
* WISCE - see http://www.wolfsonmicro.com/wisce/
*/
struct wm8958_mbc_cfg {
const char *name;
u16 cutoff_regs[WM8958_MBC_CUTOFF_REGS];
u16 coeff_regs[WM8958_MBC_COEFF_REGS];
};
struct wm8994_pdata {
int gpio_base;
/**
* Default values for GPIOs if non-zero, WM8994_CONFIGURE_GPIO
* can be used for all zero values.
*/
int gpio_defaults[WM8994_NUM_GPIO];
struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO];
int irq_base; /** Base IRQ number for WM8994, required for IRQs */
int num_drc_cfgs;
struct wm8994_drc_cfg *drc_cfgs;
int num_retune_mobile_cfgs;
struct wm8994_retune_mobile_cfg *retune_mobile_cfgs;
int num_mbc_cfgs;
struct wm8958_mbc_cfg *mbc_cfgs;
/* LINEOUT can be differential or single ended */
unsigned int lineout1_diff:1;
unsigned int lineout2_diff:1;
/* Common mode feedback */
unsigned int lineout1fb:1;
unsigned int lineout2fb:1;
/* IRQ for microphone detection if brought out directly as a
* signal.
*/
int micdet_irq;
/* WM8994 microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */
unsigned int micbias1_lvl:1;
unsigned int micbias2_lvl:1;
/* WM8994 jack detect threashold levels, see datasheet for values */
unsigned int jd_scthr:2;
unsigned int jd_thr:2;
/* WM8958 microphone bias configuration */
int micbias[2];
};
#endif
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