LXR linux/include/linux/mfd/iqs62x.h

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * Azoteq IQS620A/621/622/624/625 Multi-Function Sensors
   4 *
   5 * Copyright (C) 2019 Jeff LaBundy <jeff@labundy.com>
   6 */
   7
   8#ifndef __LINUX_MFD_IQS62X_H
   9#define __LINUX_MFD_IQS62X_H
  10
  11#define IQS620_PROD_NUM                         0x41
  12#define IQS621_PROD_NUM                         0x46
  13#define IQS622_PROD_NUM                         0x42
  14#define IQS624_PROD_NUM                         0x43
  15#define IQS625_PROD_NUM                         0x4E
  16
  17#define IQS621_ALS_FLAGS                        0x16
  18#define IQS622_ALS_FLAGS                        0x14
  19
  20#define IQS624_HALL_UI                          0x70
  21#define IQS624_HALL_UI_WHL_EVENT                BIT(4)
  22#define IQS624_HALL_UI_INT_EVENT                BIT(3)
  23#define IQS624_HALL_UI_AUTO_CAL                 BIT(2)
  24
  25#define IQS624_INTERVAL_DIV                     0x7D
  26
  27#define IQS620_GLBL_EVENT_MASK                  0xD7
  28#define IQS620_GLBL_EVENT_MASK_PMU              BIT(6)
  29
  30#define IQS62X_NUM_KEYS                         16
  31#define IQS62X_NUM_EVENTS                       (IQS62X_NUM_KEYS + 6)
  32
  33#define IQS62X_EVENT_SIZE                       10
  34
  35enum iqs62x_ui_sel {
  36        IQS62X_UI_PROX,
  37        IQS62X_UI_SAR1,
  38};
  39
  40enum iqs62x_event_reg {
  41        IQS62X_EVENT_NONE,
  42        IQS62X_EVENT_SYS,
  43        IQS62X_EVENT_PROX,
  44        IQS62X_EVENT_HYST,
  45        IQS62X_EVENT_HALL,
  46        IQS62X_EVENT_ALS,
  47        IQS62X_EVENT_IR,
  48        IQS62X_EVENT_WHEEL,
  49        IQS62X_EVENT_INTER,
  50        IQS62X_EVENT_UI_LO,
  51        IQS62X_EVENT_UI_HI,
  52};
  53
  54enum iqs62x_event_flag {
  55        /* keys */
  56        IQS62X_EVENT_PROX_CH0_T,
  57        IQS62X_EVENT_PROX_CH0_P,
  58        IQS62X_EVENT_PROX_CH1_T,
  59        IQS62X_EVENT_PROX_CH1_P,
  60        IQS62X_EVENT_PROX_CH2_T,
  61        IQS62X_EVENT_PROX_CH2_P,
  62        IQS62X_EVENT_HYST_POS_T,
  63        IQS62X_EVENT_HYST_POS_P,
  64        IQS62X_EVENT_HYST_NEG_T,
  65        IQS62X_EVENT_HYST_NEG_P,
  66        IQS62X_EVENT_SAR1_ACT,
  67        IQS62X_EVENT_SAR1_QRD,
  68        IQS62X_EVENT_SAR1_MOVE,
  69        IQS62X_EVENT_SAR1_HALT,
  70        IQS62X_EVENT_WHEEL_UP,
  71        IQS62X_EVENT_WHEEL_DN,
  72
  73        /* switches */
  74        IQS62X_EVENT_HALL_N_T,
  75        IQS62X_EVENT_HALL_N_P,
  76        IQS62X_EVENT_HALL_S_T,
  77        IQS62X_EVENT_HALL_S_P,
  78
  79        /* everything else */
  80        IQS62X_EVENT_SYS_RESET,
  81        IQS62X_EVENT_SYS_ATI,
  82};
  83
  84struct iqs62x_event_data {
  85        u16 ui_data;
  86        u8 als_flags;
  87        u8 ir_flags;
  88        u8 interval;
  89};
  90
  91struct iqs62x_event_desc {
  92        enum iqs62x_event_reg reg;
  93        u8 mask;
  94        u8 val;
  95};
  96
  97struct iqs62x_dev_desc {
  98        const char *dev_name;
  99        const struct mfd_cell *sub_devs;
 100        int num_sub_devs;
 101        u8 prod_num;
 102        u8 sw_num;
 103        const u8 *cal_regs;
 104        int num_cal_regs;
 105        u8 prox_mask;
 106        u8 sar_mask;
 107        u8 hall_mask;
 108        u8 hyst_mask;
 109        u8 temp_mask;
 110        u8 als_mask;
 111        u8 ir_mask;
 112        u8 prox_settings;
 113        u8 als_flags;
 114        u8 hall_flags;
 115        u8 hyst_shift;
 116        u8 interval;
 117        u8 interval_div;
 118        const char *fw_name;
 119        const enum iqs62x_event_reg (*event_regs)[IQS62X_EVENT_SIZE];
 120};
 121
 122struct iqs62x_core {
 123        const struct iqs62x_dev_desc *dev_desc;
 124        struct i2c_client *client;
 125        struct regmap *regmap;
 126        struct blocking_notifier_head nh;
 127        struct list_head fw_blk_head;
 128        struct completion ati_done;
 129        struct completion fw_done;
 130        enum iqs62x_ui_sel ui_sel;
 131        unsigned long event_cache;
 132};
 133
 134extern const struct iqs62x_event_desc iqs62x_events[IQS62X_NUM_EVENTS];
 135
 136#endif /* __LINUX_MFD_IQS62X_H */
 137