include/linux/mfd/arizona/pdata.h

   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
  74 struct regulator_init_data;
  75
  76 struct 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 };
  82
  83 struct arizona_micd_config {
  84         unsigned int src;
  85         unsigned int bias;
  86         bool gpio;
  87 };
  88
  89 struct arizona_micd_range {
  90         int max;  /** Ohms */
  91         int key;  /** Key to report to input layer */
  92 };
  93
  94 struct arizona_pdata {
  95         int reset;      /** GPIO controlling /RESET, if any */
  96         int ldoena;     /** GPIO controlling LODENA, if any */
  97
  98         /** Regulator configuration for MICVDD */
  99         struct regulator_init_data *micvdd;
 100
 101         /** Regulator configuration for LDO1 */
 102         struct regulator_init_data *ldo1;
 103
 104         /** If a direct 32kHz clock is provided on an MCLK specify it here */
 105         int clk32k_src;
 106
 107         bool irq_active_high; /** IRQ polarity */
 108
 109         /* Base GPIO */
 110         int gpio_base;
 111
 112         /** Pin state for GPIO pins */
 113         int gpio_defaults[ARIZONA_MAX_GPIO];
 114
 115         /**
 116          * Maximum number of channels clocks will be generated for,
 117          * useful for systems where and I2S bus with multiple data
 118          * lines is mastered.
 119          */
 120         int max_channels_clocked[ARIZONA_MAX_AIF];
 121
 122         /** GPIO5 is used for jack detection */
 123         bool jd_gpio5;
 124
 125         /** Internal pull on GPIO5 is disabled when used for jack detection */
 126         bool jd_gpio5_nopull;
 127
 128         /** Use the headphone detect circuit to identify the accessory */
 129         bool hpdet_acc_id;
 130
 131         /** Check for line output with HPDET method */
 132         bool hpdet_acc_id_line;
 133
 134         /** GPIO used for mic isolation with HPDET */
 135         int hpdet_id_gpio;
 136
 137         /** Extra debounce timeout used during initial mic detection (ms) */
 138         int micd_detect_debounce;
 139
 140         /** GPIO for mic detection polarity */
 141         int micd_pol_gpio;
 142
 143         /** Mic detect ramp rate */
 144         int micd_bias_start_time;
 145
 146         /** Mic detect sample rate */
 147         int micd_rate;
 148
 149         /** Mic detect debounce level */
 150         int micd_dbtime;
 151
 152         /** Mic detect timeout (ms) */
 153         int micd_timeout;
 154
 155         /** Force MICBIAS on for mic detect */
 156         bool micd_force_micbias;
 157
 158         /** Mic detect level parameters */
 159         const struct arizona_micd_range *micd_ranges;
 160         int num_micd_ranges;
 161
 162         /** Headset polarity configurations */
 163         struct arizona_micd_config *micd_configs;
 164         int num_micd_configs;
 165
 166         /** Reference voltage for DMIC inputs */
 167         int dmic_ref[ARIZONA_MAX_INPUT];
 168
 169         /** MICBIAS configurations */
 170         struct arizona_micbias micbias[ARIZONA_MAX_MICBIAS];
 171
 172         /** Mode of input structures */
 173         int inmode[ARIZONA_MAX_INPUT];
 174
 175         /** Mode for outputs */
 176         bool out_mono[ARIZONA_MAX_OUTPUT];
 177
 178         /** PDM speaker mute setting */
 179         unsigned int spk_mute[ARIZONA_MAX_PDM_SPK];
 180
 181         /** PDM speaker format */
 182         unsigned int spk_fmt[ARIZONA_MAX_PDM_SPK];
 183
 184         /** Haptic actuator type */
 185         unsigned int hap_act;
 186 };
 187
 188 #endif