// SPDX-License-Identifier: GPL-2.0-only /* * Description: keypad driver for ADP5589, ADP5585 * I2C QWERTY Keypad and IO Expander * Bugs: Enter bugs at http://blackfin.uclinux.org/ * * Copyright (C) 2010-2011 Analog Devices Inc. */ #include <linux/bitops.h> #include <linux/module.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/workqueue.h> #include <linux/errno.h> #include <linux/pm.h> #include <linux/pm_wakeirq.h> #include <linux/platform_device.h> #include <linux/input.h> #include <linux/i2c.h> #include <linux/gpio/driver.h> #include <linux/slab.h> #include <linux/input/adp5589.h> /* ADP5589/ADP5585 Common Registers */ #define ADP5589_5_ID … #define ADP5589_5_INT_STATUS … #define ADP5589_5_STATUS … #define ADP5589_5_FIFO_1 … #define ADP5589_5_FIFO_2 … #define ADP5589_5_FIFO_3 … #define ADP5589_5_FIFO_4 … #define ADP5589_5_FIFO_5 … #define ADP5589_5_FIFO_6 … #define ADP5589_5_FIFO_7 … #define ADP5589_5_FIFO_8 … #define ADP5589_5_FIFO_9 … #define ADP5589_5_FIFO_10 … #define ADP5589_5_FIFO_11 … #define ADP5589_5_FIFO_12 … #define ADP5589_5_FIFO_13 … #define ADP5589_5_FIFO_14 … #define ADP5589_5_FIFO_15 … #define ADP5589_5_FIFO_16 … #define ADP5589_5_GPI_INT_STAT_A … #define ADP5589_5_GPI_INT_STAT_B … /* ADP5589 Registers */ #define ADP5589_GPI_INT_STAT_C … #define ADP5589_GPI_STATUS_A … #define ADP5589_GPI_STATUS_B … #define ADP5589_GPI_STATUS_C … #define ADP5589_RPULL_CONFIG_A … #define ADP5589_RPULL_CONFIG_B … #define ADP5589_RPULL_CONFIG_C … #define ADP5589_RPULL_CONFIG_D … #define ADP5589_RPULL_CONFIG_E … #define ADP5589_GPI_INT_LEVEL_A … #define ADP5589_GPI_INT_LEVEL_B … #define ADP5589_GPI_INT_LEVEL_C … #define ADP5589_GPI_EVENT_EN_A … #define ADP5589_GPI_EVENT_EN_B … #define ADP5589_GPI_EVENT_EN_C … #define ADP5589_GPI_INTERRUPT_EN_A … #define ADP5589_GPI_INTERRUPT_EN_B … #define ADP5589_GPI_INTERRUPT_EN_C … #define ADP5589_DEBOUNCE_DIS_A … #define ADP5589_DEBOUNCE_DIS_B … #define ADP5589_DEBOUNCE_DIS_C … #define ADP5589_GPO_DATA_OUT_A … #define ADP5589_GPO_DATA_OUT_B … #define ADP5589_GPO_DATA_OUT_C … #define ADP5589_GPO_OUT_MODE_A … #define ADP5589_GPO_OUT_MODE_B … #define ADP5589_GPO_OUT_MODE_C … #define ADP5589_GPIO_DIRECTION_A … #define ADP5589_GPIO_DIRECTION_B … #define ADP5589_GPIO_DIRECTION_C … #define ADP5589_UNLOCK1 … #define ADP5589_UNLOCK2 … #define ADP5589_EXT_LOCK_EVENT … #define ADP5589_UNLOCK_TIMERS … #define ADP5589_LOCK_CFG … #define ADP5589_RESET1_EVENT_A … #define ADP5589_RESET1_EVENT_B … #define ADP5589_RESET1_EVENT_C … #define ADP5589_RESET2_EVENT_A … #define ADP5589_RESET2_EVENT_B … #define ADP5589_RESET_CFG … #define ADP5589_PWM_OFFT_LOW … #define ADP5589_PWM_OFFT_HIGH … #define ADP5589_PWM_ONT_LOW … #define ADP5589_PWM_ONT_HIGH … #define ADP5589_PWM_CFG … #define ADP5589_CLOCK_DIV_CFG … #define ADP5589_LOGIC_1_CFG … #define ADP5589_LOGIC_2_CFG … #define ADP5589_LOGIC_FF_CFG … #define ADP5589_LOGIC_INT_EVENT_EN … #define ADP5589_POLL_PTIME_CFG … #define ADP5589_PIN_CONFIG_A … #define ADP5589_PIN_CONFIG_B … #define ADP5589_PIN_CONFIG_C … #define ADP5589_PIN_CONFIG_D … #define ADP5589_GENERAL_CFG … #define ADP5589_INT_EN … /* ADP5585 Registers */ #define ADP5585_GPI_STATUS_A … #define ADP5585_GPI_STATUS_B … #define ADP5585_RPULL_CONFIG_A … #define ADP5585_RPULL_CONFIG_B … #define ADP5585_RPULL_CONFIG_C … #define ADP5585_RPULL_CONFIG_D … #define ADP5585_GPI_INT_LEVEL_A … #define ADP5585_GPI_INT_LEVEL_B … #define ADP5585_GPI_EVENT_EN_A … #define ADP5585_GPI_EVENT_EN_B … #define ADP5585_GPI_INTERRUPT_EN_A … #define ADP5585_GPI_INTERRUPT_EN_B … #define ADP5585_DEBOUNCE_DIS_A … #define ADP5585_DEBOUNCE_DIS_B … #define ADP5585_GPO_DATA_OUT_A … #define ADP5585_GPO_DATA_OUT_B … #define ADP5585_GPO_OUT_MODE_A … #define ADP5585_GPO_OUT_MODE_B … #define ADP5585_GPIO_DIRECTION_A … #define ADP5585_GPIO_DIRECTION_B … #define ADP5585_RESET1_EVENT_A … #define ADP5585_RESET1_EVENT_B … #define ADP5585_RESET1_EVENT_C … #define ADP5585_RESET2_EVENT_A … #define ADP5585_RESET2_EVENT_B … #define ADP5585_RESET_CFG … #define ADP5585_PWM_OFFT_LOW … #define ADP5585_PWM_OFFT_HIGH … #define ADP5585_PWM_ONT_LOW … #define ADP5585_PWM_ONT_HIGH … #define ADP5585_PWM_CFG … #define ADP5585_LOGIC_CFG … #define ADP5585_LOGIC_FF_CFG … #define ADP5585_LOGIC_INT_EVENT_EN … #define ADP5585_POLL_PTIME_CFG … #define ADP5585_PIN_CONFIG_A … #define ADP5585_PIN_CONFIG_B … #define ADP5585_PIN_CONFIG_D … #define ADP5585_GENERAL_CFG … #define ADP5585_INT_EN … /* ID Register */ #define ADP5589_5_DEVICE_ID_MASK … #define ADP5589_5_MAN_ID_MASK … #define ADP5589_5_MAN_ID_SHIFT … #define ADP5589_5_MAN_ID … /* GENERAL_CFG Register */ #define OSC_EN … #define CORE_CLK(x) … #define LCK_TRK_LOGIC … #define LCK_TRK_GPI … #define INT_CFG … #define RST_CFG … /* INT_EN Register */ #define LOGIC2_IEN … #define LOGIC1_IEN … #define LOCK_IEN … #define OVRFLOW_IEN … #define GPI_IEN … #define EVENT_IEN … /* Interrupt Status Register */ #define LOGIC2_INT … #define LOGIC1_INT … #define LOCK_INT … #define OVRFLOW_INT … #define GPI_INT … #define EVENT_INT … /* STATUS Register */ #define LOGIC2_STAT … #define LOGIC1_STAT … #define LOCK_STAT … #define KEC … /* PIN_CONFIG_D Register */ #define C4_EXTEND_CFG … #define R4_EXTEND_CFG … /* LOCK_CFG */ #define LOCK_EN … #define PTIME_MASK … #define LTIME_MASK … /* Key Event Register xy */ #define KEY_EV_PRESSED … #define KEY_EV_MASK … #define KEYP_MAX_EVENT … #define ADP5589_MAXGPIO … #define ADP5585_MAXGPIO … enum { … }; struct adp_constants { … }; struct adp5589_kpad { … }; /* * ADP5589 / ADP5585 derivative / variant handling */ /* ADP5589 */ static unsigned char adp5589_bank(unsigned char offset) { … } static unsigned char adp5589_bit(unsigned char offset) { … } static unsigned char adp5589_reg(unsigned char reg) { … } static const struct adp_constants const_adp5589 = …; /* ADP5585 */ static unsigned char adp5585_bank(unsigned char offset) { … } static unsigned char adp5585_bit(unsigned char offset) { … } static const unsigned char adp5585_reg_lut[] = …; static unsigned char adp5585_reg(unsigned char reg) { … } static const struct adp_constants const_adp5585 = …; static int adp5589_read(struct i2c_client *client, u8 reg) { … } static int adp5589_write(struct i2c_client *client, u8 reg, u8 val) { … } #ifdef CONFIG_GPIOLIB static int adp5589_gpio_get_value(struct gpio_chip *chip, unsigned off) { … } static void adp5589_gpio_set_value(struct gpio_chip *chip, unsigned off, int val) { … } static int adp5589_gpio_direction_input(struct gpio_chip *chip, unsigned off) { … } static int adp5589_gpio_direction_output(struct gpio_chip *chip, unsigned off, int val) { … } static int adp5589_build_gpiomap(struct adp5589_kpad *kpad, const struct adp5589_kpad_platform_data *pdata) { … } static int adp5589_gpio_add(struct adp5589_kpad *kpad) { … } #else static inline int adp5589_gpio_add(struct adp5589_kpad *kpad) { return 0; } #endif static void adp5589_report_switches(struct adp5589_kpad *kpad, int key, int key_val) { … } static void adp5589_report_events(struct adp5589_kpad *kpad, int ev_cnt) { … } static irqreturn_t adp5589_irq(int irq, void *handle) { … } static int adp5589_get_evcode(struct adp5589_kpad *kpad, unsigned short key) { … } static int adp5589_setup(struct adp5589_kpad *kpad) { … } static void adp5589_report_switch_state(struct adp5589_kpad *kpad) { … } static int adp5589_keypad_add(struct adp5589_kpad *kpad, unsigned int revid) { … } static void adp5589_clear_config(void *data) { … } static int adp5589_probe(struct i2c_client *client) { … } static int adp5589_suspend(struct device *dev) { … } static int adp5589_resume(struct device *dev) { … } static DEFINE_SIMPLE_DEV_PM_OPS(adp5589_dev_pm_ops, adp5589_suspend, adp5589_resume); static const struct i2c_device_id adp5589_id[] = …; MODULE_DEVICE_TABLE(i2c, adp5589_id); static struct i2c_driver adp5589_driver = …; module_i2c_driver(…) …; MODULE_LICENSE(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …;
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