245 lines
6.5 KiB
C
245 lines
6.5 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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#define WM8994_NUM_AIF 3
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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 struct regulator_init_data *init_data;
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};
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#define WM8994_CONFIGURE_GPIO 0x10000
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#define WM8994_DRC_REGS 5
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#define WM8994_EQ_REGS 20
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#define WM8958_MBC_CUTOFF_REGS 20
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#define WM8958_MBC_COEFF_REGS 48
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#define WM8958_MBC_COMBINED_REGS 56
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#define WM8958_VSS_HPF_REGS 2
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#define WM8958_VSS_REGS 148
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#define WM8958_ENH_EQ_REGS 32
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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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/**
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* Multiband compressor configurations are specified with a label and
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* two sets of values to write. Configurations are expected to be
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* generated using the multiband compressor configuration panel in
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* WISCE - see http://www.wolfsonmicro.com/wisce/
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*/
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struct wm8958_mbc_cfg {
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const char *name;
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u16 cutoff_regs[WM8958_MBC_CUTOFF_REGS];
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u16 coeff_regs[WM8958_MBC_COEFF_REGS];
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/* Coefficient layout when using MBC+VSS firmware */
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u16 combined_regs[WM8958_MBC_COMBINED_REGS];
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};
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/**
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* VSS HPF configurations are specified with a label and two values to
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* write. Configurations are expected to be generated using the
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* multiband compressor configuration panel in WISCE - see
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* http://www.wolfsonmicro.com/wisce/
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*/
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struct wm8958_vss_hpf_cfg {
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const char *name;
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u16 regs[WM8958_VSS_HPF_REGS];
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};
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/**
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* VSS configurations are specified with a label and array of values
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* to write. Configurations are expected to be generated using the
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* multiband compressor configuration panel in WISCE - see
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* http://www.wolfsonmicro.com/wisce/
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*/
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struct wm8958_vss_cfg {
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const char *name;
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u16 regs[WM8958_VSS_REGS];
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};
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/**
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* Enhanced EQ configurations are specified with a label and array of
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* values to write. Configurations are expected to be generated using
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* the multiband compressor configuration panel in WISCE - see
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* http://www.wolfsonmicro.com/wisce/
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*/
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struct wm8958_enh_eq_cfg {
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const char *name;
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u16 regs[WM8958_ENH_EQ_REGS];
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};
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/**
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* Microphone detection rates, used to tune response rates and power
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* consumption for WM8958/WM1811 microphone detection.
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*
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* @sysclk: System clock rate to use this configuration for.
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* @idle: True if this configuration should use when no accessory is detected,
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* false otherwise.
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* @start: Value for MICD_BIAS_START_TIME register field (not shifted).
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* @rate: Value for MICD_RATE register field (not shifted).
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*/
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struct wm8958_micd_rate {
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int sysclk;
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bool idle;
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int start;
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int rate;
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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 irq_base; /** Base IRQ number for WM8994, required for IRQs */
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unsigned long irq_flags; /** user irq flags */
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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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int num_mbc_cfgs;
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struct wm8958_mbc_cfg *mbc_cfgs;
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int num_vss_cfgs;
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struct wm8958_vss_cfg *vss_cfgs;
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int num_vss_hpf_cfgs;
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struct wm8958_vss_hpf_cfg *vss_hpf_cfgs;
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int num_enh_eq_cfgs;
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struct wm8958_enh_eq_cfg *enh_eq_cfgs;
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int num_micd_rates;
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struct wm8958_micd_rate *micd_rates;
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/* Power up delays to add after microphone bias power up (ms) */
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int micb1_delay;
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int micb2_delay;
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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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/* Delay between detecting a jack and starting microphone
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* detect (specified in ms)
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*/
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int micdet_delay;
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/* Delay between microphone detect completing and reporting on
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* insert (specified in ms)
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*/
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int mic_id_delay;
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/* IRQ for microphone detection if brought out directly as a
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* signal.
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*/
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int micdet_irq;
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/* WM8994 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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/* WM8994 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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/* Configure WM1811 jack detection for use with external capacitor */
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unsigned int jd_ext_cap:1;
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/* WM8958 microphone bias configuration */
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int micbias[2];
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/* WM8958 microphone detection ranges */
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u16 micd_lvl_sel;
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/* Disable the internal pull downs on the LDOs if they are
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* always driven (eg, connected to an always on supply or
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* GPIO that always drives an output. If they float power
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* consumption will rise.
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*/
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bool ldo_ena_always_driven;
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/*
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* SPKMODE must be pulled internally by the device on this
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* system.
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*/
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bool spkmode_pu;
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/*
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* CS/ADDR must be pulled internally by the device on this
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* system.
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*/
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bool csnaddr_pd;
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/**
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* Maximum number of channels clocks will be generated for,
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* useful for systems where and I2S bus with multiple data
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* lines is mastered.
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*/
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int max_channels_clocked[WM8994_NUM_AIF];
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/**
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* GPIO for the IRQ pin if host only supports edge triggering
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*/
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int irq_gpio;
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};
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#endif
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