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 #include <dt-bindings/mfd/arizona.h>
  15 #include <linux/regulator/arizona-ldo1.h>
  16 #include <linux/regulator/arizona-micsupp.h>
  17
  18 #define ARIZONA_GPN_DIR_MASK                     0x8000  /* GPN_DIR */
  19 #define ARIZONA_GPN_DIR_SHIFT                        15  /* GPN_DIR */
  20 #define ARIZONA_GPN_DIR_WIDTH                         1  /* GPN_DIR */
  21 #define ARIZONA_GPN_PU_MASK                      0x4000  /* GPN_PU */
  22 #define ARIZONA_GPN_PU_SHIFT                         14  /* GPN_PU */
  23 #define ARIZONA_GPN_PU_WIDTH                          1  /* GPN_PU */
  24 #define ARIZONA_GPN_PD_MASK                      0x2000  /* GPN_PD */
  25 #define ARIZONA_GPN_PD_SHIFT                         13  /* GPN_PD */
  26 #define ARIZONA_GPN_PD_WIDTH                          1  /* GPN_PD */
  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_MASK                     0x0400  /* GPN_POL */
  31 #define ARIZONA_GPN_POL_SHIFT                        10  /* GPN_POL */
  32 #define ARIZONA_GPN_POL_WIDTH                         1  /* GPN_POL */
  33 #define ARIZONA_GPN_OP_CFG_MASK                  0x0200  /* GPN_OP_CFG */
  34 #define ARIZONA_GPN_OP_CFG_SHIFT                      9  /* GPN_OP_CFG */
  35 #define ARIZONA_GPN_OP_CFG_WIDTH                      1  /* GPN_OP_CFG */
  36 #define ARIZONA_GPN_DB_MASK                      0x0100  /* GPN_DB */
  37 #define ARIZONA_GPN_DB_SHIFT                          8  /* GPN_DB */
  38 #define ARIZONA_GPN_DB_WIDTH                          1  /* GPN_DB */
  39 #define ARIZONA_GPN_FN_MASK                      0x007F  /* GPN_FN - [6:0] */
  40 #define ARIZONA_GPN_FN_SHIFT                          0  /* GPN_FN - [6:0] */
  41 #define ARIZONA_GPN_FN_WIDTH                          7  /* GPN_FN - [6:0] */
  42
  43 #define ARIZONA_MAX_GPIO 5
  44
  45 #define ARIZONA_MAX_INPUT 4
  46
  47 #define ARIZONA_MAX_MICBIAS 3
  48
  49 #define ARIZONA_MAX_OUTPUT 6
  50
  51 #define ARIZONA_MAX_AIF 3
  52
  53 #define ARIZONA_HAP_ACT_ERM 0
  54 #define ARIZONA_HAP_ACT_LRA 2
  55
  56 #define ARIZONA_MAX_PDM_SPK 2
  57
  58 struct regulator_init_data;
  59
  60 struct arizona_micbias {
  61         int mV;                    /** Regulated voltage */
  62         unsigned int ext_cap:1;    /** External capacitor fitted */
  63         unsigned int discharge:1;  /** Actively discharge */
  64         unsigned int soft_start:1; /** Disable aggressive startup ramp rate */
  65         unsigned int bypass:1;     /** Use bypass mode */
  66 };
  67
  68 struct arizona_micd_config {
  69         unsigned int src;
  70         unsigned int bias;
  71         bool gpio;
  72 };
  73
  74 struct arizona_micd_range {
  75         int max;  /** Ohms */
  76         int key;  /** Key to report to input layer */
  77 };
  78
  79 struct arizona_pdata {
  80         int reset;      /** GPIO controlling /RESET, if any */
  81
  82         /** Regulator configuration for MICVDD */
  83         struct arizona_micsupp_pdata micvdd;
  84
  85         /** Regulator configuration for LDO1 */
  86         struct arizona_ldo1_pdata ldo1;
  87
  88         /** If a direct 32kHz clock is provided on an MCLK specify it here */
  89         int clk32k_src;
  90
  91         /** Mode for primary IRQ (defaults to active low) */
  92         unsigned int irq_flags;
  93
  94         /* Base GPIO */
  95         int gpio_base;
  96
  97         /** Pin state for GPIO pins */
  98         unsigned int gpio_defaults[ARIZONA_MAX_GPIO];
  99
 100         /**
 101          * Maximum number of channels clocks will be generated for,
 102          * useful for systems where and I2S bus with multiple data
 103          * lines is mastered.
 104          */
 105         unsigned int max_channels_clocked[ARIZONA_MAX_AIF];
 106
 107         /** GPIO5 is used for jack detection */
 108         bool jd_gpio5;
 109
 110         /** Internal pull on GPIO5 is disabled when used for jack detection */
 111         bool jd_gpio5_nopull;
 112
 113         /** set to true if jackdet contact opens on insert */
 114         bool jd_invert;
 115
 116         /** Use the headphone detect circuit to identify the accessory */
 117         bool hpdet_acc_id;
 118
 119         /** Check for line output with HPDET method */
 120         bool hpdet_acc_id_line;
 121
 122         /** GPIO used for mic isolation with HPDET */
 123         int hpdet_id_gpio;
 124
 125         /** Channel to use for headphone detection */
 126         unsigned int hpdet_channel;
 127
 128         /** Use software comparison to determine mic presence */
 129         bool micd_software_compare;
 130
 131         /** Extra debounce timeout used during initial mic detection (ms) */
 132         unsigned int micd_detect_debounce;
 133
 134         /** GPIO for mic detection polarity */
 135         int micd_pol_gpio;
 136
 137         /** Mic detect ramp rate */
 138         unsigned int micd_bias_start_time;
 139
 140         /** Mic detect sample rate */
 141         unsigned int micd_rate;
 142
 143         /** Mic detect debounce level */
 144         unsigned int micd_dbtime;
 145
 146         /** Mic detect timeout (ms) */
 147         unsigned int micd_timeout;
 148
 149         /** Force MICBIAS on for mic detect */
 150         bool micd_force_micbias;
 151
 152         /** Mic detect level parameters */
 153         const struct arizona_micd_range *micd_ranges;
 154         int num_micd_ranges;
 155
 156         /** Headset polarity configurations */
 157         struct arizona_micd_config *micd_configs;
 158         int num_micd_configs;
 159
 160         /** Reference voltage for DMIC inputs */
 161         int dmic_ref[ARIZONA_MAX_INPUT];
 162
 163         /** MICBIAS configurations */
 164         struct arizona_micbias micbias[ARIZONA_MAX_MICBIAS];
 165
 166         /**
 167          * Mode of input structures
 168          * One of the ARIZONA_INMODE_xxx values
 169          * wm5102/wm5110/wm8280/wm8997: [0]=IN1 [1]=IN2 [2]=IN3 [3]=IN4
 170          * wm8998: [0]=IN1A [1]=IN2A [2]=IN1B [3]=IN2B
 171          */
 172         int inmode[ARIZONA_MAX_INPUT];
 173
 174         /** Mode for outputs */
 175         int out_mono[ARIZONA_MAX_OUTPUT];
 176
 177         /** Limit output volumes */
 178         unsigned int out_vol_limit[2 * 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         /** General purpose switch control */
 193         unsigned int gpsw;
 194 };
 195
 196 #endif