xref: /openbmc/linux/include/linux/input/adp5589.h (revision 132db935)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Analog Devices ADP5589/ADP5585 I/O Expander and QWERTY Keypad Controller
4  *
5  * Copyright 2010-2011 Analog Devices Inc.
6  */
7 
8 #ifndef _ADP5589_H
9 #define _ADP5589_H
10 
11 /*
12  * ADP5589 specific GPI and Keymap defines
13  */
14 
15 #define ADP5589_KEYMAPSIZE	88
16 
17 #define ADP5589_GPI_PIN_ROW0 97
18 #define ADP5589_GPI_PIN_ROW1 98
19 #define ADP5589_GPI_PIN_ROW2 99
20 #define ADP5589_GPI_PIN_ROW3 100
21 #define ADP5589_GPI_PIN_ROW4 101
22 #define ADP5589_GPI_PIN_ROW5 102
23 #define ADP5589_GPI_PIN_ROW6 103
24 #define ADP5589_GPI_PIN_ROW7 104
25 #define ADP5589_GPI_PIN_COL0 105
26 #define ADP5589_GPI_PIN_COL1 106
27 #define ADP5589_GPI_PIN_COL2 107
28 #define ADP5589_GPI_PIN_COL3 108
29 #define ADP5589_GPI_PIN_COL4 109
30 #define ADP5589_GPI_PIN_COL5 110
31 #define ADP5589_GPI_PIN_COL6 111
32 #define ADP5589_GPI_PIN_COL7 112
33 #define ADP5589_GPI_PIN_COL8 113
34 #define ADP5589_GPI_PIN_COL9 114
35 #define ADP5589_GPI_PIN_COL10 115
36 #define GPI_LOGIC1 116
37 #define GPI_LOGIC2 117
38 
39 #define ADP5589_GPI_PIN_ROW_BASE ADP5589_GPI_PIN_ROW0
40 #define ADP5589_GPI_PIN_ROW_END ADP5589_GPI_PIN_ROW7
41 #define ADP5589_GPI_PIN_COL_BASE ADP5589_GPI_PIN_COL0
42 #define ADP5589_GPI_PIN_COL_END ADP5589_GPI_PIN_COL10
43 
44 #define ADP5589_GPI_PIN_BASE ADP5589_GPI_PIN_ROW_BASE
45 #define ADP5589_GPI_PIN_END ADP5589_GPI_PIN_COL_END
46 
47 #define ADP5589_GPIMAPSIZE_MAX (ADP5589_GPI_PIN_END - ADP5589_GPI_PIN_BASE + 1)
48 
49 /*
50  * ADP5585 specific GPI and Keymap defines
51  */
52 
53 #define ADP5585_KEYMAPSIZE	30
54 
55 #define ADP5585_GPI_PIN_ROW0 37
56 #define ADP5585_GPI_PIN_ROW1 38
57 #define ADP5585_GPI_PIN_ROW2 39
58 #define ADP5585_GPI_PIN_ROW3 40
59 #define ADP5585_GPI_PIN_ROW4 41
60 #define ADP5585_GPI_PIN_ROW5 42
61 #define ADP5585_GPI_PIN_COL0 43
62 #define ADP5585_GPI_PIN_COL1 44
63 #define ADP5585_GPI_PIN_COL2 45
64 #define ADP5585_GPI_PIN_COL3 46
65 #define ADP5585_GPI_PIN_COL4 47
66 #define GPI_LOGIC 48
67 
68 #define ADP5585_GPI_PIN_ROW_BASE ADP5585_GPI_PIN_ROW0
69 #define ADP5585_GPI_PIN_ROW_END ADP5585_GPI_PIN_ROW5
70 #define ADP5585_GPI_PIN_COL_BASE ADP5585_GPI_PIN_COL0
71 #define ADP5585_GPI_PIN_COL_END ADP5585_GPI_PIN_COL4
72 
73 #define ADP5585_GPI_PIN_BASE ADP5585_GPI_PIN_ROW_BASE
74 #define ADP5585_GPI_PIN_END ADP5585_GPI_PIN_COL_END
75 
76 #define ADP5585_GPIMAPSIZE_MAX (ADP5585_GPI_PIN_END - ADP5585_GPI_PIN_BASE + 1)
77 
78 struct adp5589_gpi_map {
79 	unsigned short pin;
80 	unsigned short sw_evt;
81 };
82 
83 /* scan_cycle_time */
84 #define ADP5589_SCAN_CYCLE_10ms		0
85 #define ADP5589_SCAN_CYCLE_20ms		1
86 #define ADP5589_SCAN_CYCLE_30ms		2
87 #define ADP5589_SCAN_CYCLE_40ms		3
88 
89 /* RESET_CFG */
90 #define RESET_PULSE_WIDTH_500us		0
91 #define RESET_PULSE_WIDTH_1ms		1
92 #define RESET_PULSE_WIDTH_2ms		2
93 #define RESET_PULSE_WIDTH_10ms		3
94 
95 #define RESET_TRIG_TIME_0ms		(0 << 2)
96 #define RESET_TRIG_TIME_1000ms		(1 << 2)
97 #define RESET_TRIG_TIME_1500ms		(2 << 2)
98 #define RESET_TRIG_TIME_2000ms		(3 << 2)
99 #define RESET_TRIG_TIME_2500ms		(4 << 2)
100 #define RESET_TRIG_TIME_3000ms		(5 << 2)
101 #define RESET_TRIG_TIME_3500ms		(6 << 2)
102 #define RESET_TRIG_TIME_4000ms		(7 << 2)
103 
104 #define RESET_PASSTHRU_EN		(1 << 5)
105 #define RESET1_POL_HIGH			(1 << 6)
106 #define RESET1_POL_LOW			(0 << 6)
107 #define RESET2_POL_HIGH			(1 << 7)
108 #define RESET2_POL_LOW			(0 << 7)
109 
110 /* ADP5589 Mask Bits:
111  * C C C C C C C C C C C | R R R R R R R R
112  * 1 9 8 7 6 5 4 3 2 1 0 | 7 6 5 4 3 2 1 0
113  * 0
114  * ---------------- BIT ------------------
115  * 1 1 1 1 1 1 1 1 1 0 0 | 0 0 0 0 0 0 0 0
116  * 8 7 6 5 4 3 2 1 0 9 8 | 7 6 5 4 3 2 1 0
117  */
118 
119 #define ADP_ROW(x)	(1 << (x))
120 #define ADP_COL(x)	(1 << (x + 8))
121 #define ADP5589_ROW_MASK		0xFF
122 #define ADP5589_COL_MASK		0xFF
123 #define ADP5589_COL_SHIFT		8
124 #define ADP5589_MAX_ROW_NUM		7
125 #define ADP5589_MAX_COL_NUM		10
126 
127 /* ADP5585 Mask Bits:
128  * C C C C C | R R R R R R
129  * 4 3 2 1 0 | 5 4 3 2 1 0
130  *
131  * ---- BIT -- -----------
132  * 1 0 0 0 0 | 0 0 0 0 0 0
133  * 0 9 8 7 6 | 5 4 3 2 1 0
134  */
135 
136 #define ADP5585_ROW_MASK		0x3F
137 #define ADP5585_COL_MASK		0x1F
138 #define ADP5585_ROW_SHIFT		0
139 #define ADP5585_COL_SHIFT		6
140 #define ADP5585_MAX_ROW_NUM		5
141 #define ADP5585_MAX_COL_NUM		4
142 
143 #define ADP5585_ROW(x)	(1 << ((x) & ADP5585_ROW_MASK))
144 #define ADP5585_COL(x)	(1 << (((x) & ADP5585_COL_MASK) + ADP5585_COL_SHIFT))
145 
146 /* Put one of these structures in i2c_board_info platform_data */
147 
148 struct adp5589_kpad_platform_data {
149 	unsigned keypad_en_mask;	/* Keypad (Rows/Columns) enable mask */
150 	const unsigned short *keymap;	/* Pointer to keymap */
151 	unsigned short keymapsize;	/* Keymap size */
152 	bool repeat;			/* Enable key repeat */
153 	bool en_keylock;		/* Enable key lock feature (ADP5589 only)*/
154 	unsigned char unlock_key1;	/* Unlock Key 1 (ADP5589 only) */
155 	unsigned char unlock_key2;	/* Unlock Key 2 (ADP5589 only) */
156 	unsigned char unlock_timer;	/* Time in seconds [0..7] between the two unlock keys 0=disable (ADP5589 only) */
157 	unsigned char scan_cycle_time;	/* Time between consecutive scan cycles */
158 	unsigned char reset_cfg;	/* Reset config */
159 	unsigned short reset1_key_1;	/* Reset Key 1 */
160 	unsigned short reset1_key_2;	/* Reset Key 2 */
161 	unsigned short reset1_key_3;	/* Reset Key 3 */
162 	unsigned short reset2_key_1;	/* Reset Key 1 */
163 	unsigned short reset2_key_2;	/* Reset Key 2 */
164 	unsigned debounce_dis_mask;	/* Disable debounce mask */
165 	unsigned pull_dis_mask;		/* Disable all pull resistors mask */
166 	unsigned pullup_en_100k;	/* Pull-Up 100k Enable Mask */
167 	unsigned pullup_en_300k;	/* Pull-Up 300k Enable Mask */
168 	unsigned pulldown_en_300k;	/* Pull-Down 300k Enable Mask */
169 	const struct adp5589_gpi_map *gpimap;
170 	unsigned short gpimapsize;
171 	const struct adp5589_gpio_platform_data *gpio_data;
172 };
173 
174 struct i2c_client; /* forward declaration */
175 
176 struct adp5589_gpio_platform_data {
177 	int	gpio_start;	/* GPIO Chip base # */
178 	int	(*setup)(struct i2c_client *client,
179 				int gpio, unsigned ngpio,
180 				void *context);
181 	int	(*teardown)(struct i2c_client *client,
182 				int gpio, unsigned ngpio,
183 				void *context);
184 	void	*context;
185 };
186 
187 #endif
188