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 IQS620_HW_NUM_V0			0x82
 18#define IQS620_HW_NUM_V1			IQS620_HW_NUM_V0
 19#define IQS620_HW_NUM_V2			IQS620_HW_NUM_V0
 20#define IQS620_HW_NUM_V3			0x92
 21
 22#define IQS621_ALS_FLAGS			0x16
 23#define IQS622_ALS_FLAGS			0x14
 24
 25#define IQS624_HALL_UI				0x70
 26#define IQS624_HALL_UI_WHL_EVENT		BIT(4)
 27#define IQS624_HALL_UI_INT_EVENT		BIT(3)
 28#define IQS624_HALL_UI_AUTO_CAL			BIT(2)
 29
 30#define IQS624_INTERVAL_DIV			0x7D
 31
 32#define IQS620_GLBL_EVENT_MASK			0xD7
 33#define IQS620_GLBL_EVENT_MASK_PMU		BIT(6)
 34
 35#define IQS62X_NUM_KEYS				16
 36#define IQS62X_NUM_EVENTS			(IQS62X_NUM_KEYS + 6)
 37
 38#define IQS62X_EVENT_SIZE			10
 39
 40enum iqs62x_ui_sel {
 41	IQS62X_UI_PROX,
 42	IQS62X_UI_SAR1,
 43};
 44
 45enum iqs62x_event_reg {
 46	IQS62X_EVENT_NONE,
 47	IQS62X_EVENT_SYS,
 48	IQS62X_EVENT_PROX,
 49	IQS62X_EVENT_HYST,
 50	IQS62X_EVENT_HALL,
 51	IQS62X_EVENT_ALS,
 52	IQS62X_EVENT_IR,
 53	IQS62X_EVENT_WHEEL,
 54	IQS62X_EVENT_INTER,
 55	IQS62X_EVENT_UI_LO,
 56	IQS62X_EVENT_UI_HI,
 57};
 58
 59enum iqs62x_event_flag {
 60	/* keys */
 61	IQS62X_EVENT_PROX_CH0_T,
 62	IQS62X_EVENT_PROX_CH0_P,
 63	IQS62X_EVENT_PROX_CH1_T,
 64	IQS62X_EVENT_PROX_CH1_P,
 65	IQS62X_EVENT_PROX_CH2_T,
 66	IQS62X_EVENT_PROX_CH2_P,
 67	IQS62X_EVENT_HYST_POS_T,
 68	IQS62X_EVENT_HYST_POS_P,
 69	IQS62X_EVENT_HYST_NEG_T,
 70	IQS62X_EVENT_HYST_NEG_P,
 71	IQS62X_EVENT_SAR1_ACT,
 72	IQS62X_EVENT_SAR1_QRD,
 73	IQS62X_EVENT_SAR1_MOVE,
 74	IQS62X_EVENT_SAR1_HALT,
 75	IQS62X_EVENT_WHEEL_UP,
 76	IQS62X_EVENT_WHEEL_DN,
 77
 78	/* switches */
 79	IQS62X_EVENT_HALL_N_T,
 80	IQS62X_EVENT_HALL_N_P,
 81	IQS62X_EVENT_HALL_S_T,
 82	IQS62X_EVENT_HALL_S_P,
 83
 84	/* everything else */
 85	IQS62X_EVENT_SYS_RESET,
 86	IQS62X_EVENT_SYS_ATI,
 87};
 88
 89struct iqs62x_event_data {
 90	u16 ui_data;
 91	u8 als_flags;
 92	u8 ir_flags;
 93	u8 interval;
 94};
 95
 96struct iqs62x_event_desc {
 97	enum iqs62x_event_reg reg;
 98	u8 mask;
 99	u8 val;
100};
101
102struct iqs62x_dev_desc {
103	const char *dev_name;
104	const struct mfd_cell *sub_devs;
105	int num_sub_devs;
106	u8 prod_num;
107	u8 sw_num;
108	const u8 *cal_regs;
109	int num_cal_regs;
110	u8 prox_mask;
111	u8 sar_mask;
112	u8 hall_mask;
113	u8 hyst_mask;
114	u8 temp_mask;
115	u8 als_mask;
116	u8 ir_mask;
117	u8 prox_settings;
118	u8 als_flags;
119	u8 hall_flags;
120	u8 hyst_shift;
121	u8 interval;
122	u8 interval_div;
123	const char *fw_name;
124	const enum iqs62x_event_reg (*event_regs)[IQS62X_EVENT_SIZE];
125};
126
127struct iqs62x_core {
128	const struct iqs62x_dev_desc *dev_desc;
129	struct i2c_client *client;
130	struct regmap *regmap;
131	struct blocking_notifier_head nh;
132	struct list_head fw_blk_head;
133	struct completion ati_done;
134	struct completion fw_done;
135	enum iqs62x_ui_sel ui_sel;
136	unsigned long event_cache;
137	u8 sw_num;
138	u8 hw_num;
139};
140
141extern const struct iqs62x_event_desc iqs62x_events[IQS62X_NUM_EVENTS];
142
143#endif /* __LINUX_MFD_IQS62X_H */