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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Azoteq IQS620A/621/622/624/625 Multi-Function Sensors
*
* Copyright (C) 2019 Jeff LaBundy <jeff@labundy.com>
*/
#ifndef __LINUX_MFD_IQS62X_H
#define __LINUX_MFD_IQS62X_H
#define IQS620_PROD_NUM 0x41
#define IQS621_PROD_NUM 0x46
#define IQS622_PROD_NUM 0x42
#define IQS624_PROD_NUM 0x43
#define IQS625_PROD_NUM 0x4E
#define IQS620_HW_NUM_V0 0x82
#define IQS620_HW_NUM_V1 IQS620_HW_NUM_V0
#define IQS620_HW_NUM_V2 IQS620_HW_NUM_V0
#define IQS620_HW_NUM_V3 0x92
#define IQS621_ALS_FLAGS 0x16
#define IQS622_ALS_FLAGS 0x14
#define IQS624_HALL_UI 0x70
#define IQS624_HALL_UI_WHL_EVENT BIT(4)
#define IQS624_HALL_UI_INT_EVENT BIT(3)
#define IQS624_HALL_UI_AUTO_CAL BIT(2)
#define IQS624_INTERVAL_DIV 0x7D
#define IQS620_GLBL_EVENT_MASK 0xD7
#define IQS620_GLBL_EVENT_MASK_PMU BIT(6)
#define IQS62X_NUM_KEYS 16
#define IQS62X_NUM_EVENTS (IQS62X_NUM_KEYS + 6)
#define IQS62X_EVENT_SIZE 10
enum iqs62x_ui_sel {
IQS62X_UI_PROX,
IQS62X_UI_SAR1,
};
enum iqs62x_event_reg {
IQS62X_EVENT_NONE,
IQS62X_EVENT_SYS,
IQS62X_EVENT_PROX,
IQS62X_EVENT_HYST,
IQS62X_EVENT_HALL,
IQS62X_EVENT_ALS,
IQS62X_EVENT_IR,
IQS62X_EVENT_WHEEL,
IQS62X_EVENT_INTER,
IQS62X_EVENT_UI_LO,
IQS62X_EVENT_UI_HI,
};
enum iqs62x_event_flag {
/* keys */
IQS62X_EVENT_PROX_CH0_T,
IQS62X_EVENT_PROX_CH0_P,
IQS62X_EVENT_PROX_CH1_T,
IQS62X_EVENT_PROX_CH1_P,
IQS62X_EVENT_PROX_CH2_T,
IQS62X_EVENT_PROX_CH2_P,
IQS62X_EVENT_HYST_POS_T,
IQS62X_EVENT_HYST_POS_P,
IQS62X_EVENT_HYST_NEG_T,
IQS62X_EVENT_HYST_NEG_P,
IQS62X_EVENT_SAR1_ACT,
IQS62X_EVENT_SAR1_QRD,
IQS62X_EVENT_SAR1_MOVE,
IQS62X_EVENT_SAR1_HALT,
IQS62X_EVENT_WHEEL_UP,
IQS62X_EVENT_WHEEL_DN,
/* switches */
IQS62X_EVENT_HALL_N_T,
IQS62X_EVENT_HALL_N_P,
IQS62X_EVENT_HALL_S_T,
IQS62X_EVENT_HALL_S_P,
/* everything else */
IQS62X_EVENT_SYS_RESET,
IQS62X_EVENT_SYS_ATI,
};
struct iqs62x_event_data {
u16 ui_data;
u8 als_flags;
u8 ir_flags;
u8 interval;
};
struct iqs62x_event_desc {
enum iqs62x_event_reg reg;
u8 mask;
u8 val;
};
struct iqs62x_dev_desc {
const char *dev_name;
const struct mfd_cell *sub_devs;
int num_sub_devs;
u8 prod_num;
u8 sw_num;
const u8 *cal_regs;
int num_cal_regs;
u8 prox_mask;
u8 sar_mask;
u8 hall_mask;
u8 hyst_mask;
u8 temp_mask;
u8 als_mask;
u8 ir_mask;
u8 prox_settings;
u8 als_flags;
u8 hall_flags;
u8 hyst_shift;
u8 interval;
u8 interval_div;
const char *fw_name;
const enum iqs62x_event_reg (*event_regs)[IQS62X_EVENT_SIZE];
};
struct iqs62x_core {
const struct iqs62x_dev_desc *dev_desc;
struct i2c_client *client;
struct regmap *regmap;
struct blocking_notifier_head nh;
struct list_head fw_blk_head;
struct completion ati_done;
struct completion fw_done;
enum iqs62x_ui_sel ui_sel;
unsigned long event_cache;
u8 sw_num;
u8 hw_num;
};
extern const struct iqs62x_event_desc iqs62x_events[IQS62X_NUM_EVENTS];
#endif /* __LINUX_MFD_IQS62X_H */
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