linux/include/linux/mfd/arizona/pdata.h
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   1/*
   2 * Platform data for Arizona devices
   3 *
   4 * Copyright 2012 Wolfson Microelectronics. PLC.
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 as
   8 * published by the Free Software Foundation.
   9 */
  10
  11#ifndef _ARIZONA_PDATA_H
  12#define _ARIZONA_PDATA_H
  13
  14#define ARIZONA_GPN_DIR                          0x8000  /* GPN_DIR */
  15#define ARIZONA_GPN_DIR_MASK                     0x8000  /* GPN_DIR */
  16#define ARIZONA_GPN_DIR_SHIFT                        15  /* GPN_DIR */
  17#define ARIZONA_GPN_DIR_WIDTH                         1  /* GPN_DIR */
  18#define ARIZONA_GPN_PU                           0x4000  /* GPN_PU */
  19#define ARIZONA_GPN_PU_MASK                      0x4000  /* GPN_PU */
  20#define ARIZONA_GPN_PU_SHIFT                         14  /* GPN_PU */
  21#define ARIZONA_GPN_PU_WIDTH                          1  /* GPN_PU */
  22#define ARIZONA_GPN_PD                           0x2000  /* GPN_PD */
  23#define ARIZONA_GPN_PD_MASK                      0x2000  /* GPN_PD */
  24#define ARIZONA_GPN_PD_SHIFT                         13  /* GPN_PD */
  25#define ARIZONA_GPN_PD_WIDTH                          1  /* GPN_PD */
  26#define ARIZONA_GPN_LVL                          0x0800  /* GPN_LVL */
  27#define ARIZONA_GPN_LVL_MASK                     0x0800  /* GPN_LVL */
  28#define ARIZONA_GPN_LVL_SHIFT                        11  /* GPN_LVL */
  29#define ARIZONA_GPN_LVL_WIDTH                         1  /* GPN_LVL */
  30#define ARIZONA_GPN_POL                          0x0400  /* GPN_POL */
  31#define ARIZONA_GPN_POL_MASK                     0x0400  /* GPN_POL */
  32#define ARIZONA_GPN_POL_SHIFT                        10  /* GPN_POL */
  33#define ARIZONA_GPN_POL_WIDTH                         1  /* GPN_POL */
  34#define ARIZONA_GPN_OP_CFG                       0x0200  /* GPN_OP_CFG */
  35#define ARIZONA_GPN_OP_CFG_MASK                  0x0200  /* GPN_OP_CFG */
  36#define ARIZONA_GPN_OP_CFG_SHIFT                      9  /* GPN_OP_CFG */
  37#define ARIZONA_GPN_OP_CFG_WIDTH                      1  /* GPN_OP_CFG */
  38#define ARIZONA_GPN_DB                           0x0100  /* GPN_DB */
  39#define ARIZONA_GPN_DB_MASK                      0x0100  /* GPN_DB */
  40#define ARIZONA_GPN_DB_SHIFT                          8  /* GPN_DB */
  41#define ARIZONA_GPN_DB_WIDTH                          1  /* GPN_DB */
  42#define ARIZONA_GPN_FN_MASK                      0x007F  /* GPN_FN - [6:0] */
  43#define ARIZONA_GPN_FN_SHIFT                          0  /* GPN_FN - [6:0] */
  44#define ARIZONA_GPN_FN_WIDTH                          7  /* GPN_FN - [6:0] */
  45
  46#define ARIZONA_MAX_GPIO 5
  47
  48#define ARIZONA_32KZ_MCLK1 1
  49#define ARIZONA_32KZ_MCLK2 2
  50#define ARIZONA_32KZ_NONE  3
  51
  52#define ARIZONA_MAX_INPUT 4
  53
  54#define ARIZONA_DMIC_MICVDD   0
  55#define ARIZONA_DMIC_MICBIAS1 1
  56#define ARIZONA_DMIC_MICBIAS2 2
  57#define ARIZONA_DMIC_MICBIAS3 3
  58
  59#define ARIZONA_MAX_MICBIAS 3
  60
  61#define ARIZONA_INMODE_DIFF 0
  62#define ARIZONA_INMODE_SE   1
  63#define ARIZONA_INMODE_DMIC 2
  64
  65#define ARIZONA_MAX_OUTPUT 6
  66
  67#define ARIZONA_MAX_AIF 3
  68
  69#define ARIZONA_HAP_ACT_ERM 0
  70#define ARIZONA_HAP_ACT_LRA 2
  71
  72#define ARIZONA_MAX_PDM_SPK 2
  73
  74struct regulator_init_data;
  75
  76struct arizona_micbias {
  77        int mV;                    /** Regulated voltage */
  78        unsigned int ext_cap:1;    /** External capacitor fitted */
  79        unsigned int discharge:1;  /** Actively discharge */
  80        unsigned int fast_start:1; /** Enable aggressive startup ramp rate */
  81        unsigned int bypass:1;     /** Use bypass mode */
  82};
  83
  84struct arizona_micd_config {
  85        unsigned int src;
  86        unsigned int bias;
  87        bool gpio;
  88};
  89
  90struct arizona_micd_range {
  91        int max;  /** Ohms */
  92        int key;  /** Key to report to input layer */
  93};
  94
  95struct arizona_pdata {
  96        int reset;      /** GPIO controlling /RESET, if any */
  97        int ldoena;     /** GPIO controlling LODENA, if any */
  98
  99        /** Regulator configuration for MICVDD */
 100        struct regulator_init_data *micvdd;
 101
 102        /** Regulator configuration for LDO1 */
 103        struct regulator_init_data *ldo1;
 104
 105        /** If a direct 32kHz clock is provided on an MCLK specify it here */
 106        int clk32k_src;
 107
 108        /** Mode for primary IRQ (defaults to active low) */
 109        unsigned int irq_flags;
 110
 111        /* Base GPIO */
 112        int gpio_base;
 113
 114        /** Pin state for GPIO pins */
 115        int gpio_defaults[ARIZONA_MAX_GPIO];
 116
 117        /**
 118         * Maximum number of channels clocks will be generated for,
 119         * useful for systems where and I2S bus with multiple data
 120         * lines is mastered.
 121         */
 122        int max_channels_clocked[ARIZONA_MAX_AIF];
 123
 124        /** GPIO5 is used for jack detection */
 125        bool jd_gpio5;
 126
 127        /** Internal pull on GPIO5 is disabled when used for jack detection */
 128        bool jd_gpio5_nopull;
 129
 130        /** Use the headphone detect circuit to identify the accessory */
 131        bool hpdet_acc_id;
 132
 133        /** Check for line output with HPDET method */
 134        bool hpdet_acc_id_line;
 135
 136        /** GPIO used for mic isolation with HPDET */
 137        int hpdet_id_gpio;
 138
 139        /** Extra debounce timeout used during initial mic detection (ms) */
 140        int micd_detect_debounce;
 141
 142        /** GPIO for mic detection polarity */
 143        int micd_pol_gpio;
 144
 145        /** Mic detect ramp rate */
 146        int micd_bias_start_time;
 147
 148        /** Mic detect sample rate */
 149        int micd_rate;
 150
 151        /** Mic detect debounce level */
 152        int micd_dbtime;
 153
 154        /** Mic detect timeout (ms) */
 155        int micd_timeout;
 156
 157        /** Force MICBIAS on for mic detect */
 158        bool micd_force_micbias;
 159
 160        /** Mic detect level parameters */
 161        const struct arizona_micd_range *micd_ranges;
 162        int num_micd_ranges;
 163
 164        /** Headset polarity configurations */
 165        struct arizona_micd_config *micd_configs;
 166        int num_micd_configs;
 167
 168        /** Reference voltage for DMIC inputs */
 169        int dmic_ref[ARIZONA_MAX_INPUT];
 170
 171        /** MICBIAS configurations */
 172        struct arizona_micbias micbias[ARIZONA_MAX_MICBIAS];
 173
 174        /** Mode of input structures */
 175        int inmode[ARIZONA_MAX_INPUT];
 176
 177        /** Mode for outputs */
 178        bool out_mono[ARIZONA_MAX_OUTPUT];
 179
 180        /** PDM speaker mute setting */
 181        unsigned int spk_mute[ARIZONA_MAX_PDM_SPK];
 182
 183        /** PDM speaker format */
 184        unsigned int spk_fmt[ARIZONA_MAX_PDM_SPK];
 185
 186        /** Haptic actuator type */
 187        unsigned int hap_act;
 188
 189        /** GPIO for primary IRQ (used for edge triggered emulation) */
 190        int irq_gpio;
 191};
 192
 193#endif
 194