173 lines
6.5 KiB
C
173 lines
6.5 KiB
C
/*
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* Analog Devices ADP5588 I/O Expander and QWERTY Keypad Controller
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*
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* Copyright 2009-2010 Analog Devices Inc.
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*
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* Licensed under the GPL-2 or later.
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*/
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#ifndef _ADP5588_H
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#define _ADP5588_H
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#define DEV_ID 0x00 /* Device ID */
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#define CFG 0x01 /* Configuration Register1 */
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#define INT_STAT 0x02 /* Interrupt Status Register */
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#define KEY_LCK_EC_STAT 0x03 /* Key Lock and Event Counter Register */
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#define Key_EVENTA 0x04 /* Key Event Register A */
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#define Key_EVENTB 0x05 /* Key Event Register B */
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#define Key_EVENTC 0x06 /* Key Event Register C */
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#define Key_EVENTD 0x07 /* Key Event Register D */
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#define Key_EVENTE 0x08 /* Key Event Register E */
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#define Key_EVENTF 0x09 /* Key Event Register F */
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#define Key_EVENTG 0x0A /* Key Event Register G */
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#define Key_EVENTH 0x0B /* Key Event Register H */
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#define Key_EVENTI 0x0C /* Key Event Register I */
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#define Key_EVENTJ 0x0D /* Key Event Register J */
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#define KP_LCK_TMR 0x0E /* Keypad Lock1 to Lock2 Timer */
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#define UNLOCK1 0x0F /* Unlock Key1 */
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#define UNLOCK2 0x10 /* Unlock Key2 */
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#define GPIO_INT_STAT1 0x11 /* GPIO Interrupt Status */
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#define GPIO_INT_STAT2 0x12 /* GPIO Interrupt Status */
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#define GPIO_INT_STAT3 0x13 /* GPIO Interrupt Status */
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#define GPIO_DAT_STAT1 0x14 /* GPIO Data Status, Read twice to clear */
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#define GPIO_DAT_STAT2 0x15 /* GPIO Data Status, Read twice to clear */
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#define GPIO_DAT_STAT3 0x16 /* GPIO Data Status, Read twice to clear */
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#define GPIO_DAT_OUT1 0x17 /* GPIO DATA OUT */
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#define GPIO_DAT_OUT2 0x18 /* GPIO DATA OUT */
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#define GPIO_DAT_OUT3 0x19 /* GPIO DATA OUT */
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#define GPIO_INT_EN1 0x1A /* GPIO Interrupt Enable */
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#define GPIO_INT_EN2 0x1B /* GPIO Interrupt Enable */
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#define GPIO_INT_EN3 0x1C /* GPIO Interrupt Enable */
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#define KP_GPIO1 0x1D /* Keypad or GPIO Selection */
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#define KP_GPIO2 0x1E /* Keypad or GPIO Selection */
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#define KP_GPIO3 0x1F /* Keypad or GPIO Selection */
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#define GPI_EM1 0x20 /* GPI Event Mode 1 */
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#define GPI_EM2 0x21 /* GPI Event Mode 2 */
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#define GPI_EM3 0x22 /* GPI Event Mode 3 */
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#define GPIO_DIR1 0x23 /* GPIO Data Direction */
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#define GPIO_DIR2 0x24 /* GPIO Data Direction */
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#define GPIO_DIR3 0x25 /* GPIO Data Direction */
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#define GPIO_INT_LVL1 0x26 /* GPIO Edge/Level Detect */
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#define GPIO_INT_LVL2 0x27 /* GPIO Edge/Level Detect */
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#define GPIO_INT_LVL3 0x28 /* GPIO Edge/Level Detect */
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#define Debounce_DIS1 0x29 /* Debounce Disable */
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#define Debounce_DIS2 0x2A /* Debounce Disable */
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#define Debounce_DIS3 0x2B /* Debounce Disable */
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#define GPIO_PULL1 0x2C /* GPIO Pull Disable */
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#define GPIO_PULL2 0x2D /* GPIO Pull Disable */
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#define GPIO_PULL3 0x2E /* GPIO Pull Disable */
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#define CMP_CFG_STAT 0x30 /* Comparator Configuration and Status Register */
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#define CMP_CONFG_SENS1 0x31 /* Sensor1 Comparator Configuration Register */
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#define CMP_CONFG_SENS2 0x32 /* L2 Light Sensor Reference Level, Output Falling for Sensor 1 */
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#define CMP1_LVL2_TRIP 0x33 /* L2 Light Sensor Hysteresis (Active when Output Rising) for Sensor 1 */
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#define CMP1_LVL2_HYS 0x34 /* L3 Light Sensor Reference Level, Output Falling For Sensor 1 */
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#define CMP1_LVL3_TRIP 0x35 /* L3 Light Sensor Hysteresis (Active when Output Rising) For Sensor 1 */
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#define CMP1_LVL3_HYS 0x36 /* Sensor 2 Comparator Configuration Register */
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#define CMP2_LVL2_TRIP 0x37 /* L2 Light Sensor Reference Level, Output Falling for Sensor 2 */
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#define CMP2_LVL2_HYS 0x38 /* L2 Light Sensor Hysteresis (Active when Output Rising) for Sensor 2 */
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#define CMP2_LVL3_TRIP 0x39 /* L3 Light Sensor Reference Level, Output Falling For Sensor 2 */
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#define CMP2_LVL3_HYS 0x3A /* L3 Light Sensor Hysteresis (Active when Output Rising) For Sensor 2 */
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#define CMP1_ADC_DAT_R1 0x3B /* Comparator 1 ADC data Register1 */
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#define CMP1_ADC_DAT_R2 0x3C /* Comparator 1 ADC data Register2 */
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#define CMP2_ADC_DAT_R1 0x3D /* Comparator 2 ADC data Register1 */
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#define CMP2_ADC_DAT_R2 0x3E /* Comparator 2 ADC data Register2 */
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#define ADP5588_DEVICE_ID_MASK 0xF
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/* Configuration Register1 */
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#define ADP5588_AUTO_INC (1 << 7)
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#define ADP5588_GPIEM_CFG (1 << 6)
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#define ADP5588_OVR_FLOW_M (1 << 5)
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#define ADP5588_INT_CFG (1 << 4)
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#define ADP5588_OVR_FLOW_IEN (1 << 3)
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#define ADP5588_K_LCK_IM (1 << 2)
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#define ADP5588_GPI_IEN (1 << 1)
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#define ADP5588_KE_IEN (1 << 0)
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/* Interrupt Status Register */
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#define ADP5588_CMP2_INT (1 << 5)
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#define ADP5588_CMP1_INT (1 << 4)
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#define ADP5588_OVR_FLOW_INT (1 << 3)
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#define ADP5588_K_LCK_INT (1 << 2)
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#define ADP5588_GPI_INT (1 << 1)
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#define ADP5588_KE_INT (1 << 0)
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/* Key Lock and Event Counter Register */
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#define ADP5588_K_LCK_EN (1 << 6)
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#define ADP5588_LCK21 0x30
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#define ADP5588_KEC 0xF
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#define ADP5588_MAXGPIO 18
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#define ADP5588_BANK(offs) ((offs) >> 3)
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#define ADP5588_BIT(offs) (1u << ((offs) & 0x7))
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/* Put one of these structures in i2c_board_info platform_data */
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#define ADP5588_KEYMAPSIZE 80
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#define GPI_PIN_ROW0 97
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#define GPI_PIN_ROW1 98
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#define GPI_PIN_ROW2 99
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#define GPI_PIN_ROW3 100
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#define GPI_PIN_ROW4 101
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#define GPI_PIN_ROW5 102
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#define GPI_PIN_ROW6 103
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#define GPI_PIN_ROW7 104
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#define GPI_PIN_COL0 105
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#define GPI_PIN_COL1 106
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#define GPI_PIN_COL2 107
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#define GPI_PIN_COL3 108
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#define GPI_PIN_COL4 109
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#define GPI_PIN_COL5 110
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#define GPI_PIN_COL6 111
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#define GPI_PIN_COL7 112
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#define GPI_PIN_COL8 113
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#define GPI_PIN_COL9 114
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#define GPI_PIN_ROW_BASE GPI_PIN_ROW0
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#define GPI_PIN_ROW_END GPI_PIN_ROW7
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#define GPI_PIN_COL_BASE GPI_PIN_COL0
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#define GPI_PIN_COL_END GPI_PIN_COL9
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#define GPI_PIN_BASE GPI_PIN_ROW_BASE
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#define GPI_PIN_END GPI_PIN_COL_END
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#define ADP5588_GPIMAPSIZE_MAX (GPI_PIN_END - GPI_PIN_BASE + 1)
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struct adp5588_gpi_map {
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unsigned short pin;
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unsigned short sw_evt;
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};
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struct adp5588_kpad_platform_data {
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int rows; /* Number of rows */
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int cols; /* Number of columns */
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const unsigned short *keymap; /* Pointer to keymap */
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unsigned short keymapsize; /* Keymap size */
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unsigned repeat:1; /* Enable key repeat */
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unsigned en_keylock:1; /* Enable Key Lock feature */
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unsigned short unlock_key1; /* Unlock Key 1 */
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unsigned short unlock_key2; /* Unlock Key 2 */
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const struct adp5588_gpi_map *gpimap;
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unsigned short gpimapsize;
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const struct adp5588_gpio_platform_data *gpio_data;
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};
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struct i2c_client; /* forward declaration */
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struct adp5588_gpio_platform_data {
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int gpio_start; /* GPIO Chip base # */
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const char *const *names;
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unsigned irq_base; /* interrupt base # */
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unsigned pullup_dis_mask; /* Pull-Up Disable Mask */
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int (*setup)(struct i2c_client *client,
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unsigned gpio, unsigned ngpio,
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void *context);
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int (*teardown)(struct i2c_client *client,
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unsigned gpio, unsigned ngpio,
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void *context);
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void *context;
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};
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#endif
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