xref: /openbmc/linux/include/linux/input/adp5589.h (revision 5ef12cb4)
1 /*
2  * Analog Devices ADP5589/ADP5585 I/O Expander and QWERTY Keypad Controller
3  *
4  * Copyright 2010-2011 Analog Devices Inc.
5  *
6  * Licensed under the GPL-2.
7  */
8 
9 #ifndef _ADP5589_H
10 #define _ADP5589_H
11 
12 /*
13  * ADP5589 specific GPI and Keymap defines
14  */
15 
16 #define ADP5589_KEYMAPSIZE	88
17 
18 #define ADP5589_GPI_PIN_ROW0 97
19 #define ADP5589_GPI_PIN_ROW1 98
20 #define ADP5589_GPI_PIN_ROW2 99
21 #define ADP5589_GPI_PIN_ROW3 100
22 #define ADP5589_GPI_PIN_ROW4 101
23 #define ADP5589_GPI_PIN_ROW5 102
24 #define ADP5589_GPI_PIN_ROW6 103
25 #define ADP5589_GPI_PIN_ROW7 104
26 #define ADP5589_GPI_PIN_COL0 105
27 #define ADP5589_GPI_PIN_COL1 106
28 #define ADP5589_GPI_PIN_COL2 107
29 #define ADP5589_GPI_PIN_COL3 108
30 #define ADP5589_GPI_PIN_COL4 109
31 #define ADP5589_GPI_PIN_COL5 110
32 #define ADP5589_GPI_PIN_COL6 111
33 #define ADP5589_GPI_PIN_COL7 112
34 #define ADP5589_GPI_PIN_COL8 113
35 #define ADP5589_GPI_PIN_COL9 114
36 #define ADP5589_GPI_PIN_COL10 115
37 #define GPI_LOGIC1 116
38 #define GPI_LOGIC2 117
39 
40 #define ADP5589_GPI_PIN_ROW_BASE ADP5589_GPI_PIN_ROW0
41 #define ADP5589_GPI_PIN_ROW_END ADP5589_GPI_PIN_ROW7
42 #define ADP5589_GPI_PIN_COL_BASE ADP5589_GPI_PIN_COL0
43 #define ADP5589_GPI_PIN_COL_END ADP5589_GPI_PIN_COL10
44 
45 #define ADP5589_GPI_PIN_BASE ADP5589_GPI_PIN_ROW_BASE
46 #define ADP5589_GPI_PIN_END ADP5589_GPI_PIN_COL_END
47 
48 #define ADP5589_GPIMAPSIZE_MAX (ADP5589_GPI_PIN_END - ADP5589_GPI_PIN_BASE + 1)
49 
50 /*
51  * ADP5585 specific GPI and Keymap defines
52  */
53 
54 #define ADP5585_KEYMAPSIZE	30
55 
56 #define ADP5585_GPI_PIN_ROW0 37
57 #define ADP5585_GPI_PIN_ROW1 38
58 #define ADP5585_GPI_PIN_ROW2 39
59 #define ADP5585_GPI_PIN_ROW3 40
60 #define ADP5585_GPI_PIN_ROW4 41
61 #define ADP5585_GPI_PIN_ROW5 42
62 #define ADP5585_GPI_PIN_COL0 43
63 #define ADP5585_GPI_PIN_COL1 44
64 #define ADP5585_GPI_PIN_COL2 45
65 #define ADP5585_GPI_PIN_COL3 46
66 #define ADP5585_GPI_PIN_COL4 47
67 #define GPI_LOGIC 48
68 
69 #define ADP5585_GPI_PIN_ROW_BASE ADP5585_GPI_PIN_ROW0
70 #define ADP5585_GPI_PIN_ROW_END ADP5585_GPI_PIN_ROW5
71 #define ADP5585_GPI_PIN_COL_BASE ADP5585_GPI_PIN_COL0
72 #define ADP5585_GPI_PIN_COL_END ADP5585_GPI_PIN_COL4
73 
74 #define ADP5585_GPI_PIN_BASE ADP5585_GPI_PIN_ROW_BASE
75 #define ADP5585_GPI_PIN_END ADP5585_GPI_PIN_COL_END
76 
77 #define ADP5585_GPIMAPSIZE_MAX (ADP5585_GPI_PIN_END - ADP5585_GPI_PIN_BASE + 1)
78 
79 struct adp5589_gpi_map {
80 	unsigned short pin;
81 	unsigned short sw_evt;
82 };
83 
84 /* scan_cycle_time */
85 #define ADP5589_SCAN_CYCLE_10ms		0
86 #define ADP5589_SCAN_CYCLE_20ms		1
87 #define ADP5589_SCAN_CYCLE_30ms		2
88 #define ADP5589_SCAN_CYCLE_40ms		3
89 
90 /* RESET_CFG */
91 #define RESET_PULSE_WIDTH_500us		0
92 #define RESET_PULSE_WIDTH_1ms		1
93 #define RESET_PULSE_WIDTH_2ms		2
94 #define RESET_PULSE_WIDTH_10ms		3
95 
96 #define RESET_TRIG_TIME_0ms		(0 << 2)
97 #define RESET_TRIG_TIME_1000ms		(1 << 2)
98 #define RESET_TRIG_TIME_1500ms		(2 << 2)
99 #define RESET_TRIG_TIME_2000ms		(3 << 2)
100 #define RESET_TRIG_TIME_2500ms		(4 << 2)
101 #define RESET_TRIG_TIME_3000ms		(5 << 2)
102 #define RESET_TRIG_TIME_3500ms		(6 << 2)
103 #define RESET_TRIG_TIME_4000ms		(7 << 2)
104 
105 #define RESET_PASSTHRU_EN		(1 << 5)
106 #define RESET1_POL_HIGH			(1 << 6)
107 #define RESET1_POL_LOW			(0 << 6)
108 #define RESET2_POL_HIGH			(1 << 7)
109 #define RESET2_POL_LOW			(0 << 7)
110 
111 /* ADP5589 Mask Bits:
112  * C C C C C C C C C C C | R R R R R R R R
113  * 1 9 8 7 6 5 4 3 2 1 0 | 7 6 5 4 3 2 1 0
114  * 0
115  * ---------------- BIT ------------------
116  * 1 1 1 1 1 1 1 1 1 0 0 | 0 0 0 0 0 0 0 0
117  * 8 7 6 5 4 3 2 1 0 9 8 | 7 6 5 4 3 2 1 0
118  */
119 
120 #define ADP_ROW(x)	(1 << (x))
121 #define ADP_COL(x)	(1 << (x + 8))
122 #define ADP5589_ROW_MASK		0xFF
123 #define ADP5589_COL_MASK		0xFF
124 #define ADP5589_COL_SHIFT		8
125 #define ADP5589_MAX_ROW_NUM		7
126 #define ADP5589_MAX_COL_NUM		10
127 
128 /* ADP5585 Mask Bits:
129  * C C C C C | R R R R R R
130  * 4 3 2 1 0 | 5 4 3 2 1 0
131  *
132  * ---- BIT -- -----------
133  * 1 0 0 0 0 | 0 0 0 0 0 0
134  * 0 9 8 7 6 | 5 4 3 2 1 0
135  */
136 
137 #define ADP5585_ROW_MASK		0x3F
138 #define ADP5585_COL_MASK		0x1F
139 #define ADP5585_ROW_SHIFT		0
140 #define ADP5585_COL_SHIFT		6
141 #define ADP5585_MAX_ROW_NUM		5
142 #define ADP5585_MAX_COL_NUM		4
143 
144 #define ADP5585_ROW(x)	(1 << ((x) & ADP5585_ROW_MASK))
145 #define ADP5585_COL(x)	(1 << (((x) & ADP5585_COL_MASK) + ADP5585_COL_SHIFT))
146 
147 /* Put one of these structures in i2c_board_info platform_data */
148 
149 struct adp5589_kpad_platform_data {
150 	unsigned keypad_en_mask;	/* Keypad (Rows/Columns) enable mask */
151 	const unsigned short *keymap;	/* Pointer to keymap */
152 	unsigned short keymapsize;	/* Keymap size */
153 	bool repeat;			/* Enable key repeat */
154 	bool en_keylock;		/* Enable key lock feature (ADP5589 only)*/
155 	unsigned char unlock_key1;	/* Unlock Key 1 (ADP5589 only) */
156 	unsigned char unlock_key2;	/* Unlock Key 2 (ADP5589 only) */
157 	unsigned char unlock_timer;	/* Time in seconds [0..7] between the two unlock keys 0=disable (ADP5589 only) */
158 	unsigned char scan_cycle_time;	/* Time between consecutive scan cycles */
159 	unsigned char reset_cfg;	/* Reset config */
160 	unsigned short reset1_key_1;	/* Reset Key 1 */
161 	unsigned short reset1_key_2;	/* Reset Key 2 */
162 	unsigned short reset1_key_3;	/* Reset Key 3 */
163 	unsigned short reset2_key_1;	/* Reset Key 1 */
164 	unsigned short reset2_key_2;	/* Reset Key 2 */
165 	unsigned debounce_dis_mask;	/* Disable debounce mask */
166 	unsigned pull_dis_mask;		/* Disable all pull resistors mask */
167 	unsigned pullup_en_100k;	/* Pull-Up 100k Enable Mask */
168 	unsigned pullup_en_300k;	/* Pull-Up 300k Enable Mask */
169 	unsigned pulldown_en_300k;	/* Pull-Down 300k Enable Mask */
170 	const struct adp5589_gpi_map *gpimap;
171 	unsigned short gpimapsize;
172 	const struct adp5589_gpio_platform_data *gpio_data;
173 };
174 
175 struct i2c_client; /* forward declaration */
176 
177 struct adp5589_gpio_platform_data {
178 	int	gpio_start;	/* GPIO Chip base # */
179 	int	(*setup)(struct i2c_client *client,
180 				int gpio, unsigned ngpio,
181 				void *context);
182 	int	(*teardown)(struct i2c_client *client,
183 				int gpio, unsigned ngpio,
184 				void *context);
185 	void	*context;
186 };
187 
188 #endif
189