pdata.h

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/*
 * include/linux/mfd/wm8994/pdata.h -- Platform data for WM8994
 *
 * Copyright 2009 Wolfson Microelectronics PLC.
 *
 * Author: Mark Brown <[email protected]>
 *
 *  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 {
    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

struct wm8994_drc_cfg {
        const char *name;
        u16 regs[WM8994_DRC_REGS];
};

struct wm8994_retune_mobile_cfg {
        const char *name;
        unsigned int rate;
        u16 regs[WM8994_EQ_REGS];
};

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];
};

struct wm8958_vss_hpf_cfg {
    const char *name;
    u16 regs[WM8958_VSS_HPF_REGS];
};

struct wm8958_vss_cfg {
    const char *name;
    u16 regs[WM8958_VSS_REGS];
};

struct wm8958_enh_eq_cfg {
    const char *name;
    u16 regs[WM8958_ENH_EQ_REGS];
};

struct wm8958_micd_rate {
    int sysclk;
    bool idle;
    int start;
    int rate;
};

struct wm8994_pdata {
    int gpio_base;

    int gpio_defaults[WM8994_NUM_GPIO];

    struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO];

    int irq_base;  
    unsigned long 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;

    /* 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;
};

#endif