sound/soc/codecs/da7219-aad.h

   1 /*
   2  * da7219-aad.h - DA7322 ASoC AAD Driver
   3  *
   4  * Copyright (c) 2015 Dialog Semiconductor Ltd.
   5  *
   6  * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
   7  *
   8  * This program is free software; you can redistribute  it and/or modify it
   9  * under  the terms of  the GNU General  Public License as published by the
  10  * Free Software Foundation;  either version 2 of the  License, or (at your
  11  * option) any later version.
  12  */
  13
  14 #ifndef __DA7219_AAD_H
  15 #define __DA7219_AAD_H
  16
  17 #include <linux/timer.h>
  18 #include <sound/soc.h>
  19 #include <sound/jack.h>
  20 #include <sound/da7219-aad.h>
  21
  22 /*
  23  * Registers
  24  */
  25
  26 #define DA7219_ACCDET_STATUS_A          0xC0
  27 #define DA7219_ACCDET_STATUS_B          0xC1
  28 #define DA7219_ACCDET_IRQ_EVENT_A       0xC2
  29 #define DA7219_ACCDET_IRQ_EVENT_B       0xC3
  30 #define DA7219_ACCDET_IRQ_MASK_A        0xC4
  31 #define DA7219_ACCDET_IRQ_MASK_B        0xC5
  32 #define DA7219_ACCDET_CONFIG_1          0xC6
  33 #define DA7219_ACCDET_CONFIG_2          0xC7
  34 #define DA7219_ACCDET_CONFIG_3          0xC8
  35 #define DA7219_ACCDET_CONFIG_4          0xC9
  36 #define DA7219_ACCDET_CONFIG_5          0xCA
  37 #define DA7219_ACCDET_CONFIG_6          0xCB
  38 #define DA7219_ACCDET_CONFIG_7          0xCC
  39 #define DA7219_ACCDET_CONFIG_8          0xCD
  40
  41
  42 /*
  43  * Bit Fields
  44  */
  45
  46 /* DA7219_ACCDET_STATUS_A = 0xC0 */
  47 #define DA7219_JACK_INSERTION_STS_SHIFT 0
  48 #define DA7219_JACK_INSERTION_STS_MASK  (0x1 << 0)
  49 #define DA7219_JACK_TYPE_STS_SHIFT      1
  50 #define DA7219_JACK_TYPE_STS_MASK       (0x1 << 1)
  51 #define DA7219_JACK_PIN_ORDER_STS_SHIFT 2
  52 #define DA7219_JACK_PIN_ORDER_STS_MASK  (0x1 << 2)
  53 #define DA7219_MICBIAS_UP_STS_SHIFT     3
  54 #define DA7219_MICBIAS_UP_STS_MASK      (0x1 << 3)
  55
  56 /* DA7219_ACCDET_STATUS_B = 0xC1 */
  57 #define DA7219_BUTTON_TYPE_STS_SHIFT    0
  58 #define DA7219_BUTTON_TYPE_STS_MASK     (0xFF << 0)
  59
  60 /* DA7219_ACCDET_IRQ_EVENT_A = 0xC2 */
  61 #define DA7219_E_JACK_INSERTED_SHIFT            0
  62 #define DA7219_E_JACK_INSERTED_MASK             (0x1 << 0)
  63 #define DA7219_E_JACK_REMOVED_SHIFT             1
  64 #define DA7219_E_JACK_REMOVED_MASK              (0x1 << 1)
  65 #define DA7219_E_JACK_DETECT_COMPLETE_SHIFT     2
  66 #define DA7219_E_JACK_DETECT_COMPLETE_MASK      (0x1 << 2)
  67
  68 /* DA7219_ACCDET_IRQ_EVENT_B = 0xC3 */
  69 #define DA7219_E_BUTTON_A_PRESSED_SHIFT         0
  70 #define DA7219_E_BUTTON_A_PRESSED_MASK          (0x1 << 0)
  71 #define DA7219_E_BUTTON_B_PRESSED_SHIFT         1
  72 #define DA7219_E_BUTTON_B_PRESSED_MASK          (0x1 << 1)
  73 #define DA7219_E_BUTTON_C_PRESSED_SHIFT         2
  74 #define DA7219_E_BUTTON_C_PRESSED_MASK          (0x1 << 2)
  75 #define DA7219_E_BUTTON_D_PRESSED_SHIFT         3
  76 #define DA7219_E_BUTTON_D_PRESSED_MASK          (0x1 << 3)
  77 #define DA7219_E_BUTTON_D_RELEASED_SHIFT        4
  78 #define DA7219_E_BUTTON_D_RELEASED_MASK         (0x1 << 4)
  79 #define DA7219_E_BUTTON_C_RELEASED_SHIFT        5
  80 #define DA7219_E_BUTTON_C_RELEASED_MASK         (0x1 << 5)
  81 #define DA7219_E_BUTTON_B_RELEASED_SHIFT        6
  82 #define DA7219_E_BUTTON_B_RELEASED_MASK         (0x1 << 6)
  83 #define DA7219_E_BUTTON_A_RELEASED_SHIFT        7
  84 #define DA7219_E_BUTTON_A_RELEASED_MASK         (0x1 << 7)
  85
  86 /* DA7219_ACCDET_IRQ_MASK_A = 0xC4 */
  87 #define DA7219_M_JACK_INSERTED_SHIFT            0
  88 #define DA7219_M_JACK_INSERTED_MASK             (0x1 << 0)
  89 #define DA7219_M_JACK_REMOVED_SHIFT             1
  90 #define DA7219_M_JACK_REMOVED_MASK              (0x1 << 1)
  91 #define DA7219_M_JACK_DETECT_COMPLETE_SHIFT     2
  92 #define DA7219_M_JACK_DETECT_COMPLETE_MASK      (0x1 << 2)
  93
  94 /* DA7219_ACCDET_IRQ_MASK_B = 0xC5 */
  95 #define DA7219_M_BUTTON_A_PRESSED_SHIFT         0
  96 #define DA7219_M_BUTTON_A_PRESSED_MASK          (0x1 << 0)
  97 #define DA7219_M_BUTTON_B_PRESSED_SHIFT         1
  98 #define DA7219_M_BUTTON_B_PRESSED_MASK          (0x1 << 1)
  99 #define DA7219_M_BUTTON_C_PRESSED_SHIFT         2
 100 #define DA7219_M_BUTTON_C_PRESSED_MASK          (0x1 << 2)
 101 #define DA7219_M_BUTTON_D_PRESSED_SHIFT         3
 102 #define DA7219_M_BUTTON_D_PRESSED_MASK          (0x1 << 3)
 103 #define DA7219_M_BUTTON_D_RELEASED_SHIFT        4
 104 #define DA7219_M_BUTTON_D_RELEASED_MASK         (0x1 << 4)
 105 #define DA7219_M_BUTTON_C_RELEASED_SHIFT        5
 106 #define DA7219_M_BUTTON_C_RELEASED_MASK         (0x1 << 5)
 107 #define DA7219_M_BUTTON_B_RELEASED_SHIFT        6
 108 #define DA7219_M_BUTTON_B_RELEASED_MASK         (0x1 << 6)
 109 #define DA7219_M_BUTTON_A_RELEASED_SHIFT        7
 110 #define DA7219_M_BUTTON_A_RELEASED_MASK         (0x1 << 7)
 111
 112 /* DA7219_ACCDET_CONFIG_1 = 0xC6 */
 113 #define DA7219_ACCDET_EN_SHIFT          0
 114 #define DA7219_ACCDET_EN_MASK           (0x1 << 0)
 115 #define DA7219_BUTTON_CONFIG_SHIFT      1
 116 #define DA7219_BUTTON_CONFIG_MASK       (0x7 << 1)
 117 #define DA7219_MIC_DET_THRESH_SHIFT     4
 118 #define DA7219_MIC_DET_THRESH_MASK      (0x3 << 4)
 119 #define DA7219_JACK_TYPE_DET_EN_SHIFT   6
 120 #define DA7219_JACK_TYPE_DET_EN_MASK    (0x1 << 6)
 121 #define DA7219_PIN_ORDER_DET_EN_SHIFT   7
 122 #define DA7219_PIN_ORDER_DET_EN_MASK    (0x1 << 7)
 123
 124 /* DA7219_ACCDET_CONFIG_2 = 0xC7 */
 125 #define DA7219_ACCDET_PAUSE_SHIFT       0
 126 #define DA7219_ACCDET_PAUSE_MASK        (0x1 << 0)
 127 #define DA7219_JACKDET_DEBOUNCE_SHIFT   1
 128 #define DA7219_JACKDET_DEBOUNCE_MASK    (0x7 << 1)
 129 #define DA7219_JACK_DETECT_RATE_SHIFT   4
 130 #define DA7219_JACK_DETECT_RATE_MASK    (0x3 << 4)
 131 #define DA7219_JACKDET_REM_DEB_SHIFT    6
 132 #define DA7219_JACKDET_REM_DEB_MASK     (0x3 << 6)
 133
 134 /* DA7219_ACCDET_CONFIG_3 = 0xC8 */
 135 #define DA7219_A_D_BUTTON_THRESH_SHIFT  0
 136 #define DA7219_A_D_BUTTON_THRESH_MASK   (0xFF << 0)
 137
 138 /* DA7219_ACCDET_CONFIG_4 = 0xC9 */
 139 #define DA7219_D_B_BUTTON_THRESH_SHIFT  0
 140 #define DA7219_D_B_BUTTON_THRESH_MASK   (0xFF << 0)
 141
 142 /* DA7219_ACCDET_CONFIG_5 = 0xCA */
 143 #define DA7219_B_C_BUTTON_THRESH_SHIFT  0
 144 #define DA7219_B_C_BUTTON_THRESH_MASK   (0xFF << 0)
 145
 146 /* DA7219_ACCDET_CONFIG_6 = 0xCB */
 147 #define DA7219_C_MIC_BUTTON_THRESH_SHIFT        0
 148 #define DA7219_C_MIC_BUTTON_THRESH_MASK         (0xFF << 0)
 149
 150 /* DA7219_ACCDET_CONFIG_7 = 0xCC */
 151 #define DA7219_BUTTON_AVERAGE_SHIFT     0
 152 #define DA7219_BUTTON_AVERAGE_MASK      (0x3 << 0)
 153 #define DA7219_ADC_1_BIT_REPEAT_SHIFT   2
 154 #define DA7219_ADC_1_BIT_REPEAT_MASK    (0x3 << 2)
 155 #define DA7219_PIN_ORDER_FORCE_SHIFT    4
 156 #define DA7219_PIN_ORDER_FORCE_MASK     (0x1 << 4)
 157 #define DA7219_JACK_TYPE_FORCE_SHIFT    5
 158 #define DA7219_JACK_TYPE_FORCE_MASK     (0x1 << 5)
 159
 160 /* DA7219_ACCDET_CONFIG_8 = 0xCD */
 161 #define DA7219_HPTEST_EN_SHIFT          0
 162 #define DA7219_HPTEST_EN_MASK           (0x1 << 0)
 163 #define DA7219_HPTEST_RES_SEL_SHIFT     1
 164 #define DA7219_HPTEST_RES_SEL_MASK      (0x3 << 1)
 165 #define DA7219_HPTEST_RES_SEL_1KOHMS    (0x0 << 1)
 166 #define DA7219_HPTEST_COMP_SHIFT        4
 167 #define DA7219_HPTEST_COMP_MASK         (0x1 << 4)
 168
 169
 170 #define DA7219_AAD_MAX_BUTTONS          4
 171 #define DA7219_AAD_REPORT_ALL_MASK      (SND_JACK_MECHANICAL |                  \
 172                                          SND_JACK_HEADSET | SND_JACK_LINEOUT |  \
 173                                          SND_JACK_BTN_0 | SND_JACK_BTN_1 |      \
 174                                          SND_JACK_BTN_2 | SND_JACK_BTN_3)
 175
 176 #define DA7219_AAD_MICBIAS_CHK_DELAY    10
 177 #define DA7219_AAD_MICBIAS_CHK_RETRIES  5
 178
 179 #define DA7219_AAD_HPTEST_RAMP_FREQ     0x28
 180 #define DA7219_AAD_HPTEST_PERIOD        65
 181
 182 enum da7219_aad_event_regs {
 183         DA7219_AAD_IRQ_REG_A = 0,
 184         DA7219_AAD_IRQ_REG_B,
 185         DA7219_AAD_IRQ_REG_MAX,
 186 };
 187
 188 /* Private data */
 189 struct da7219_aad_priv {
 190         struct snd_soc_codec *codec;
 191         int irq;
 192
 193         u8 micbias_pulse_lvl;
 194         u32 micbias_pulse_time;
 195
 196         u8 btn_cfg;
 197
 198         struct work_struct btn_det_work;
 199         struct work_struct hptest_work;
 200
 201         struct snd_soc_jack *jack;
 202         bool jack_inserted;
 203 };
 204
 205 /* AAD control */
 206 void da7219_aad_jack_det(struct snd_soc_codec *codec, struct snd_soc_jack *jack);
 207
 208 /* Init/Exit */
 209 int da7219_aad_init(struct snd_soc_codec *codec);
 210 void da7219_aad_exit(struct snd_soc_codec *codec);
 211
 212 #endif /* __DA7219_AAD_H */