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9e50108668
The WM8994 is a highly integrated ultra low power audio hub CODEC. Since it includes on-board regulators and GPIOs it is represented as a multi-function device, though the overwhelming majority of the functionality is provided by the ASoC CODEC driver. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
98 lines
2.6 KiB
C
98 lines
2.6 KiB
C
/*
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* include/linux/mfd/wm8994/pdata.h -- Platform data for WM8994
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*
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* Copyright 2009 Wolfson Microelectronics PLC.
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*
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* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#ifndef __MFD_WM8994_PDATA_H__
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#define __MFD_WM8994_PDATA_H__
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#define WM8994_NUM_LDO 2
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#define WM8994_NUM_GPIO 11
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struct wm8994_ldo_pdata {
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/** GPIOs to enable regulator, 0 or less if not available */
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int enable;
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const char *supply;
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struct regulator_init_data *init_data;
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};
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#define WM8994_CONFIGURE_GPIO 0x8000
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#define WM8994_DRC_REGS 5
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#define WM8994_EQ_REGS 19
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/**
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* DRC configurations are specified with a label and a set of register
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* values to write (the enable bits will be ignored). At runtime an
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* enumerated control will be presented for each DRC block allowing
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* the user to choose the configration to use.
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*
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* Configurations may be generated by hand or by using the DRC control
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* panel provided by the WISCE - see http://www.wolfsonmicro.com/wisce/
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* for details.
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*/
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struct wm8994_drc_cfg {
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const char *name;
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u16 regs[WM8994_DRC_REGS];
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};
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/**
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* ReTune Mobile configurations are specified with a label, sample
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* rate and set of values to write (the enable bits will be ignored).
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*
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* Configurations are expected to be generated using the ReTune Mobile
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* control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
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*/
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struct wm8994_retune_mobile_cfg {
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const char *name;
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unsigned int rate;
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u16 regs[WM8994_EQ_REGS];
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};
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struct wm8994_pdata {
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int gpio_base;
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/**
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* Default values for GPIOs if non-zero, WM8994_CONFIGURE_GPIO
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* can be used for all zero values.
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*/
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int gpio_defaults[WM8994_NUM_GPIO];
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struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO];
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int num_drc_cfgs;
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struct wm8994_drc_cfg *drc_cfgs;
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int num_retune_mobile_cfgs;
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struct wm8994_retune_mobile_cfg *retune_mobile_cfgs;
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/* LINEOUT can be differential or single ended */
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unsigned int lineout1_diff:1;
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unsigned int lineout2_diff:1;
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/* Common mode feedback */
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unsigned int lineout1fb:1;
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unsigned int lineout2fb:1;
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/* Microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */
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unsigned int micbias1_lvl:1;
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unsigned int micbias2_lvl:1;
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/* Jack detect threashold levels, see datasheet for values */
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unsigned int jd_scthr:2;
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unsigned int jd_thr:2;
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};
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#endif
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