1  /* SPDX-License-Identifier: GPL-2.0-or-later */
2  /*
3   * Analog Devices ADP5588 I/O Expander and QWERTY Keypad Controller
4   *
5   * Copyright 2009-2010 Analog Devices Inc.
6   */
7  
8  #ifndef _ADP5588_H
9  #define _ADP5588_H
10  
11  #define DEV_ID 0x00		/* Device ID */
12  #define CFG 0x01		/* Configuration Register1 */
13  #define INT_STAT 0x02		/* Interrupt Status Register */
14  #define KEY_LCK_EC_STAT 0x03	/* Key Lock and Event Counter Register */
15  #define Key_EVENTA 0x04		/* Key Event Register A */
16  #define Key_EVENTB 0x05		/* Key Event Register B */
17  #define Key_EVENTC 0x06		/* Key Event Register C */
18  #define Key_EVENTD 0x07		/* Key Event Register D */
19  #define Key_EVENTE 0x08		/* Key Event Register E */
20  #define Key_EVENTF 0x09		/* Key Event Register F */
21  #define Key_EVENTG 0x0A		/* Key Event Register G */
22  #define Key_EVENTH 0x0B		/* Key Event Register H */
23  #define Key_EVENTI 0x0C		/* Key Event Register I */
24  #define Key_EVENTJ 0x0D		/* Key Event Register J */
25  #define KP_LCK_TMR 0x0E		/* Keypad Lock1 to Lock2 Timer */
26  #define UNLOCK1 0x0F		/* Unlock Key1 */
27  #define UNLOCK2 0x10		/* Unlock Key2 */
28  #define GPIO_INT_STAT1 0x11	/* GPIO Interrupt Status */
29  #define GPIO_INT_STAT2 0x12	/* GPIO Interrupt Status */
30  #define GPIO_INT_STAT3 0x13	/* GPIO Interrupt Status */
31  #define GPIO_DAT_STAT1 0x14	/* GPIO Data Status, Read twice to clear */
32  #define GPIO_DAT_STAT2 0x15	/* GPIO Data Status, Read twice to clear */
33  #define GPIO_DAT_STAT3 0x16	/* GPIO Data Status, Read twice to clear */
34  #define GPIO_DAT_OUT1 0x17	/* GPIO DATA OUT */
35  #define GPIO_DAT_OUT2 0x18	/* GPIO DATA OUT */
36  #define GPIO_DAT_OUT3 0x19	/* GPIO DATA OUT */
37  #define GPIO_INT_EN1 0x1A	/* GPIO Interrupt Enable */
38  #define GPIO_INT_EN2 0x1B	/* GPIO Interrupt Enable */
39  #define GPIO_INT_EN3 0x1C	/* GPIO Interrupt Enable */
40  #define KP_GPIO1 0x1D		/* Keypad or GPIO Selection */
41  #define KP_GPIO2 0x1E		/* Keypad or GPIO Selection */
42  #define KP_GPIO3 0x1F		/* Keypad or GPIO Selection */
43  #define GPI_EM1 0x20		/* GPI Event Mode 1 */
44  #define GPI_EM2 0x21		/* GPI Event Mode 2 */
45  #define GPI_EM3 0x22		/* GPI Event Mode 3 */
46  #define GPIO_DIR1 0x23		/* GPIO Data Direction */
47  #define GPIO_DIR2 0x24		/* GPIO Data Direction */
48  #define GPIO_DIR3 0x25		/* GPIO Data Direction */
49  #define GPIO_INT_LVL1 0x26	/* GPIO Edge/Level Detect */
50  #define GPIO_INT_LVL2 0x27	/* GPIO Edge/Level Detect */
51  #define GPIO_INT_LVL3 0x28	/* GPIO Edge/Level Detect */
52  #define Debounce_DIS1 0x29	/* Debounce Disable */
53  #define Debounce_DIS2 0x2A	/* Debounce Disable */
54  #define Debounce_DIS3 0x2B	/* Debounce Disable */
55  #define GPIO_PULL1 0x2C		/* GPIO Pull Disable */
56  #define GPIO_PULL2 0x2D		/* GPIO Pull Disable */
57  #define GPIO_PULL3 0x2E		/* GPIO Pull Disable */
58  #define CMP_CFG_STAT 0x30	/* Comparator Configuration and Status Register */
59  #define CMP_CONFG_SENS1 0x31	/* Sensor1 Comparator Configuration Register */
60  #define CMP_CONFG_SENS2 0x32	/* L2 Light Sensor Reference Level, Output Falling for Sensor 1 */
61  #define CMP1_LVL2_TRIP 0x33	/* L2 Light Sensor Hysteresis (Active when Output Rising) for Sensor 1 */
62  #define CMP1_LVL2_HYS 0x34	/* L3 Light Sensor Reference Level, Output Falling For Sensor 1 */
63  #define CMP1_LVL3_TRIP 0x35	/* L3 Light Sensor Hysteresis (Active when Output Rising) For Sensor 1 */
64  #define CMP1_LVL3_HYS 0x36	/* Sensor 2 Comparator Configuration Register */
65  #define CMP2_LVL2_TRIP 0x37	/* L2 Light Sensor Reference Level, Output Falling for Sensor 2 */
66  #define CMP2_LVL2_HYS 0x38	/* L2 Light Sensor Hysteresis (Active when Output Rising) for Sensor 2 */
67  #define CMP2_LVL3_TRIP 0x39	/* L3 Light Sensor Reference Level, Output Falling For Sensor 2 */
68  #define CMP2_LVL3_HYS 0x3A	/* L3 Light Sensor Hysteresis (Active when Output Rising) For Sensor 2 */
69  #define CMP1_ADC_DAT_R1 0x3B	/* Comparator 1 ADC data Register1 */
70  #define CMP1_ADC_DAT_R2 0x3C	/* Comparator 1 ADC data Register2 */
71  #define CMP2_ADC_DAT_R1 0x3D	/* Comparator 2 ADC data Register1 */
72  #define CMP2_ADC_DAT_R2 0x3E	/* Comparator 2 ADC data Register2 */
73  
74  #define ADP5588_DEVICE_ID_MASK	0xF
75  
76   /* Configuration Register1 */
77  #define ADP5588_AUTO_INC	(1 << 7)
78  #define ADP5588_GPIEM_CFG	(1 << 6)
79  #define ADP5588_OVR_FLOW_M	(1 << 5)
80  #define ADP5588_INT_CFG		(1 << 4)
81  #define ADP5588_OVR_FLOW_IEN	(1 << 3)
82  #define ADP5588_K_LCK_IM	(1 << 2)
83  #define ADP5588_GPI_IEN		(1 << 1)
84  #define ADP5588_KE_IEN		(1 << 0)
85  
86  /* Interrupt Status Register */
87  #define ADP5588_CMP2_INT	(1 << 5)
88  #define ADP5588_CMP1_INT	(1 << 4)
89  #define ADP5588_OVR_FLOW_INT	(1 << 3)
90  #define ADP5588_K_LCK_INT	(1 << 2)
91  #define ADP5588_GPI_INT		(1 << 1)
92  #define ADP5588_KE_INT		(1 << 0)
93  
94  /* Key Lock and Event Counter Register */
95  #define ADP5588_K_LCK_EN	(1 << 6)
96  #define ADP5588_LCK21		0x30
97  #define ADP5588_KEC		0xF
98  
99  #define ADP5588_MAXGPIO		18
100  #define ADP5588_BANK(offs)	((offs) >> 3)
101  #define ADP5588_BIT(offs)	(1u << ((offs) & 0x7))
102  
103  /* Put one of these structures in i2c_board_info platform_data */
104  
105  #define ADP5588_KEYMAPSIZE	80
106  
107  #define GPI_PIN_ROW0 97
108  #define GPI_PIN_ROW1 98
109  #define GPI_PIN_ROW2 99
110  #define GPI_PIN_ROW3 100
111  #define GPI_PIN_ROW4 101
112  #define GPI_PIN_ROW5 102
113  #define GPI_PIN_ROW6 103
114  #define GPI_PIN_ROW7 104
115  #define GPI_PIN_COL0 105
116  #define GPI_PIN_COL1 106
117  #define GPI_PIN_COL2 107
118  #define GPI_PIN_COL3 108
119  #define GPI_PIN_COL4 109
120  #define GPI_PIN_COL5 110
121  #define GPI_PIN_COL6 111
122  #define GPI_PIN_COL7 112
123  #define GPI_PIN_COL8 113
124  #define GPI_PIN_COL9 114
125  
126  #define GPI_PIN_ROW_BASE GPI_PIN_ROW0
127  #define GPI_PIN_ROW_END GPI_PIN_ROW7
128  #define GPI_PIN_COL_BASE GPI_PIN_COL0
129  #define GPI_PIN_COL_END GPI_PIN_COL9
130  
131  #define GPI_PIN_BASE GPI_PIN_ROW_BASE
132  #define GPI_PIN_END GPI_PIN_COL_END
133  
134  #define ADP5588_GPIMAPSIZE_MAX (GPI_PIN_END - GPI_PIN_BASE + 1)
135  
136  struct adp5588_gpi_map {
137  	unsigned short pin;
138  	unsigned short sw_evt;
139  };
140  
141  struct adp5588_kpad_platform_data {
142  	int rows;			/* Number of rows */
143  	int cols;			/* Number of columns */
144  	const unsigned short *keymap;	/* Pointer to keymap */
145  	unsigned short keymapsize;	/* Keymap size */
146  	unsigned repeat:1;		/* Enable key repeat */
147  	unsigned en_keylock:1;		/* Enable Key Lock feature */
148  	unsigned short unlock_key1;	/* Unlock Key 1 */
149  	unsigned short unlock_key2;	/* Unlock Key 2 */
150  	const struct adp5588_gpi_map *gpimap;
151  	unsigned short gpimapsize;
152  	const struct adp5588_gpio_platform_data *gpio_data;
153  };
154  
155  struct i2c_client; /* forward declaration */
156  
157  struct adp5588_gpio_platform_data {
158  	int gpio_start;		/* GPIO Chip base # */
159  	const char *const *names;
160  	unsigned irq_base;	/* interrupt base # */
161  	unsigned pullup_dis_mask; /* Pull-Up Disable Mask */
162  	int	(*setup)(struct i2c_client *client,
163  				unsigned gpio, unsigned ngpio,
164  				void *context);
165  	int	(*teardown)(struct i2c_client *client,
166  				unsigned gpio, unsigned ngpio,
167  				void *context);
168  	void	*context;
169  };
170  
171  #endif
172