root/include/linux/input/adp5589.h

/*
 * Analog Devices ADP5589/ADP5585 I/O Expander and QWERTY Keypad Controller
 *
 * Copyright 2010-2011 Analog Devices Inc.
 *
 * Licensed under the GPL-2.
 */

#ifndef _ADP5589_H
#define _ADP5589_H

/*
 * ADP5589 specific GPI and Keymap defines
 */

#define ADP5589_KEYMAPSIZE      88

#define ADP5589_GPI_PIN_ROW0 97
#define ADP5589_GPI_PIN_ROW1 98
#define ADP5589_GPI_PIN_ROW2 99
#define ADP5589_GPI_PIN_ROW3 100
#define ADP5589_GPI_PIN_ROW4 101
#define ADP5589_GPI_PIN_ROW5 102
#define ADP5589_GPI_PIN_ROW6 103
#define ADP5589_GPI_PIN_ROW7 104
#define ADP5589_GPI_PIN_COL0 105
#define ADP5589_GPI_PIN_COL1 106
#define ADP5589_GPI_PIN_COL2 107
#define ADP5589_GPI_PIN_COL3 108
#define ADP5589_GPI_PIN_COL4 109
#define ADP5589_GPI_PIN_COL5 110
#define ADP5589_GPI_PIN_COL6 111
#define ADP5589_GPI_PIN_COL7 112
#define ADP5589_GPI_PIN_COL8 113
#define ADP5589_GPI_PIN_COL9 114
#define ADP5589_GPI_PIN_COL10 115
#define GPI_LOGIC1 116
#define GPI_LOGIC2 117

#define ADP5589_GPI_PIN_ROW_BASE ADP5589_GPI_PIN_ROW0
#define ADP5589_GPI_PIN_ROW_END ADP5589_GPI_PIN_ROW7
#define ADP5589_GPI_PIN_COL_BASE ADP5589_GPI_PIN_COL0
#define ADP5589_GPI_PIN_COL_END ADP5589_GPI_PIN_COL10

#define ADP5589_GPI_PIN_BASE ADP5589_GPI_PIN_ROW_BASE
#define ADP5589_GPI_PIN_END ADP5589_GPI_PIN_COL_END

#define ADP5589_GPIMAPSIZE_MAX (ADP5589_GPI_PIN_END - ADP5589_GPI_PIN_BASE + 1)

/*
 * ADP5585 specific GPI and Keymap defines
 */

#define ADP5585_KEYMAPSIZE      30

#define ADP5585_GPI_PIN_ROW0 37
#define ADP5585_GPI_PIN_ROW1 38
#define ADP5585_GPI_PIN_ROW2 39
#define ADP5585_GPI_PIN_ROW3 40
#define ADP5585_GPI_PIN_ROW4 41
#define ADP5585_GPI_PIN_ROW5 42
#define ADP5585_GPI_PIN_COL0 43
#define ADP5585_GPI_PIN_COL1 44
#define ADP5585_GPI_PIN_COL2 45
#define ADP5585_GPI_PIN_COL3 46
#define ADP5585_GPI_PIN_COL4 47
#define GPI_LOGIC 48

#define ADP5585_GPI_PIN_ROW_BASE ADP5585_GPI_PIN_ROW0
#define ADP5585_GPI_PIN_ROW_END ADP5585_GPI_PIN_ROW5
#define ADP5585_GPI_PIN_COL_BASE ADP5585_GPI_PIN_COL0
#define ADP5585_GPI_PIN_COL_END ADP5585_GPI_PIN_COL4

#define ADP5585_GPI_PIN_BASE ADP5585_GPI_PIN_ROW_BASE
#define ADP5585_GPI_PIN_END ADP5585_GPI_PIN_COL_END

#define ADP5585_GPIMAPSIZE_MAX (ADP5585_GPI_PIN_END - ADP5585_GPI_PIN_BASE + 1)

struct adp5589_gpi_map {
        unsigned short pin;
        unsigned short sw_evt;
};

/* scan_cycle_time */
#define ADP5589_SCAN_CYCLE_10ms         0
#define ADP5589_SCAN_CYCLE_20ms         1
#define ADP5589_SCAN_CYCLE_30ms         2
#define ADP5589_SCAN_CYCLE_40ms         3

/* RESET_CFG */
#define RESET_PULSE_WIDTH_500us         0
#define RESET_PULSE_WIDTH_1ms           1
#define RESET_PULSE_WIDTH_2ms           2
#define RESET_PULSE_WIDTH_10ms          3

#define RESET_TRIG_TIME_0ms             (0 << 2)
#define RESET_TRIG_TIME_1000ms          (1 << 2)
#define RESET_TRIG_TIME_1500ms          (2 << 2)
#define RESET_TRIG_TIME_2000ms          (3 << 2)
#define RESET_TRIG_TIME_2500ms          (4 << 2)
#define RESET_TRIG_TIME_3000ms          (5 << 2)
#define RESET_TRIG_TIME_3500ms          (6 << 2)
#define RESET_TRIG_TIME_4000ms          (7 << 2)

#define RESET_PASSTHRU_EN               (1 << 5)
#define RESET1_POL_HIGH                 (1 << 6)
#define RESET1_POL_LOW                  (0 << 6)
#define RESET2_POL_HIGH                 (1 << 7)
#define RESET2_POL_LOW                  (0 << 7)

/* ADP5589 Mask Bits:
 * C C C C C C C C C C C | R R R R R R R R
 * 1 9 8 7 6 5 4 3 2 1 0 | 7 6 5 4 3 2 1 0
 * 0
 * ---------------- BIT ------------------
 * 1 1 1 1 1 1 1 1 1 0 0 | 0 0 0 0 0 0 0 0
 * 8 7 6 5 4 3 2 1 0 9 8 | 7 6 5 4 3 2 1 0
 */

#define ADP_ROW(x)      (1 << (x))
#define ADP_COL(x)      (1 << (x + 8))
#define ADP5589_ROW_MASK                0xFF
#define ADP5589_COL_MASK                0xFF
#define ADP5589_COL_SHIFT               8
#define ADP5589_MAX_ROW_NUM             7
#define ADP5589_MAX_COL_NUM             10

/* ADP5585 Mask Bits:
 * C C C C C | R R R R R R
 * 4 3 2 1 0 | 5 4 3 2 1 0
 *
 * ---- BIT -- -----------
 * 1 0 0 0 0 | 0 0 0 0 0 0
 * 0 9 8 7 6 | 5 4 3 2 1 0
 */

#define ADP5585_ROW_MASK                0x3F
#define ADP5585_COL_MASK                0x1F
#define ADP5585_ROW_SHIFT               0
#define ADP5585_COL_SHIFT               6
#define ADP5585_MAX_ROW_NUM             5
#define ADP5585_MAX_COL_NUM             4

#define ADP5585_ROW(x)  (1 << ((x) & ADP5585_ROW_MASK))
#define ADP5585_COL(x)  (1 << (((x) & ADP5585_COL_MASK) + ADP5585_COL_SHIFT))

/* Put one of these structures in i2c_board_info platform_data */

struct adp5589_kpad_platform_data {
        unsigned keypad_en_mask;        /* Keypad (Rows/Columns) enable mask */
        const unsigned short *keymap;   /* Pointer to keymap */
        unsigned short keymapsize;      /* Keymap size */
        bool repeat;                    /* Enable key repeat */
        bool en_keylock;                /* Enable key lock feature (ADP5589 only)*/
        unsigned char unlock_key1;      /* Unlock Key 1 (ADP5589 only) */
        unsigned char unlock_key2;      /* Unlock Key 2 (ADP5589 only) */
        unsigned char unlock_timer;     /* Time in seconds [0..7] between the two unlock keys 0=disable (ADP5589 only) */
        unsigned char scan_cycle_time;  /* Time between consecutive scan cycles */
        unsigned char reset_cfg;        /* Reset config */
        unsigned short reset1_key_1;    /* Reset Key 1 */
        unsigned short reset1_key_2;    /* Reset Key 2 */
        unsigned short reset1_key_3;    /* Reset Key 3 */
        unsigned short reset2_key_1;    /* Reset Key 1 */
        unsigned short reset2_key_2;    /* Reset Key 2 */
        unsigned debounce_dis_mask;     /* Disable debounce mask */
        unsigned pull_dis_mask;         /* Disable all pull resistors mask */
        unsigned pullup_en_100k;        /* Pull-Up 100k Enable Mask */
        unsigned pullup_en_300k;        /* Pull-Up 300k Enable Mask */
        unsigned pulldown_en_300k;      /* Pull-Down 300k Enable Mask */
        const struct adp5589_gpi_map *gpimap;
        unsigned short gpimapsize;
        const struct adp5589_gpio_platform_data *gpio_data;
};

struct i2c_client; /* forward declaration */

struct adp5589_gpio_platform_data {
        int     gpio_start;     /* GPIO Chip base # */
        int     (*setup)(struct i2c_client *client,
                                int gpio, unsigned ngpio,
                                void *context);
        int     (*teardown)(struct i2c_client *client,
                                int gpio, unsigned ngpio,
                                void *context);
        void    *context;
};

#endif