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4.4.0-1128-aws
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mfd
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wm8994
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pdata.h
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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 #define WM8994_NUM_AIF 3 struct wm8994_ldo_pdata { /** GPIOs to enable regulator, 0 or less if not available */ int enable; const struct regulator_init_data *init_data; }; #define WM8994_CONFIGURE_GPIO 0x10000 #define WM8994_DRC_REGS 5 #define WM8994_EQ_REGS 20 #define WM8958_MBC_CUTOFF_REGS 20 #define WM8958_MBC_COEFF_REGS 48 #define WM8958_MBC_COMBINED_REGS 56 #define WM8958_VSS_HPF_REGS 2 #define WM8958_VSS_REGS 148 #define WM8958_ENH_EQ_REGS 32 /** * 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]; /* Coefficient layout when using MBC+VSS firmware */ u16 combined_regs[WM8958_MBC_COMBINED_REGS]; }; /** * VSS HPF configurations are specified with a label and two 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_vss_hpf_cfg { const char *name; u16 regs[WM8958_VSS_HPF_REGS]; }; /** * VSS configurations are specified with a label and array 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_vss_cfg { const char *name; u16 regs[WM8958_VSS_REGS]; }; /** * Enhanced EQ configurations are specified with a label and array 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_enh_eq_cfg { const char *name; u16 regs[WM8958_ENH_EQ_REGS]; }; /** * Microphone detection rates, used to tune response rates and power * consumption for WM8958/WM1811 microphone detection. * * @sysclk: System clock rate to use this configuration for. * @idle: True if this configuration should use when no accessory is detected, * false otherwise. * @start: Value for MICD_BIAS_START_TIME register field (not shifted). * @rate: Value for MICD_RATE register field (not shifted). */ struct wm8958_micd_rate { int sysclk; bool idle; int start; int rate; }; 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 */ unsigned long irq_flags; /** user irq flags */ 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; int num_vss_cfgs; struct wm8958_vss_cfg *vss_cfgs; int num_vss_hpf_cfgs; struct wm8958_vss_hpf_cfg *vss_hpf_cfgs; int num_enh_eq_cfgs; struct wm8958_enh_eq_cfg *enh_eq_cfgs; int num_micd_rates; struct wm8958_micd_rate *micd_rates; /* Power up delays to add after microphone bias power up (ms) */ int micb1_delay; int micb2_delay; /* 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; /* Delay between detecting a jack and starting microphone * detect (specified in ms) */ int micdet_delay; /* Delay between microphone detect completing and reporting on * insert (specified in ms) */ int mic_id_delay; /* 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; /* Configure WM1811 jack detection for use with external capacitor */ unsigned int jd_ext_cap:1; /* WM8958 microphone bias configuration */ int micbias[2]; /* WM8958 microphone detection ranges */ u16 micd_lvl_sel; /* Disable the internal pull downs on the LDOs if they are * always driven (eg, connected to an always on supply or * GPIO that always drives an output. If they float power * consumption will rise. */ bool ldo_ena_always_driven; /* * SPKMODE must be pulled internally by the device on this * system. */ bool spkmode_pu; /** * Maximum number of channels clocks will be generated for, * useful for systems where and I2S bus with multiple data * lines is mastered. */ int max_channels_clocked[WM8994_NUM_AIF]; /** * GPIO for the IRQ pin if host only supports edge triggering */ int irq_gpio; }; #endif