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 */
144

source code of linux/include/linux/mfd/iqs62x.h