// SPDX-License-Identifier: GPL-2.0+ /* * Azoteq IQS269A Capacitive Touch Controller * * Copyright (C) 2020 Jeff LaBundy <[email protected]> * * This driver registers up to 3 input devices: one representing capacitive or * inductive keys as well as Hall-effect switches, and one for each of the two * axial sliders presented by the device. */ #include <linux/bits.h> #include <linux/completion.h> #include <linux/delay.h> #include <linux/device.h> #include <linux/err.h> #include <linux/i2c.h> #include <linux/input.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/property.h> #include <linux/regmap.h> #include <linux/slab.h> #define IQS269_VER_INFO … #define IQS269_VER_INFO_PROD_NUM … #define IQS269_VER_INFO_FW_NUM_2 … #define IQS269_VER_INFO_FW_NUM_3 … #define IQS269_SYS_FLAGS … #define IQS269_SYS_FLAGS_SHOW_RESET … #define IQS269_SYS_FLAGS_PWR_MODE_MASK … #define IQS269_SYS_FLAGS_PWR_MODE_SHIFT … #define IQS269_SYS_FLAGS_IN_ATI … #define IQS269_CHx_COUNTS … #define IQS269_SLIDER_X … #define IQS269_CAL_DATA_A … #define IQS269_CAL_DATA_A_HALL_BIN_L_MASK … #define IQS269_CAL_DATA_A_HALL_BIN_L_SHIFT … #define IQS269_CAL_DATA_A_HALL_BIN_R_MASK … #define IQS269_CAL_DATA_A_HALL_BIN_R_SHIFT … #define IQS269_SYS_SETTINGS … #define IQS269_SYS_SETTINGS_CLK_DIV … #define IQS269_SYS_SETTINGS_ULP_AUTO … #define IQS269_SYS_SETTINGS_DIS_AUTO … #define IQS269_SYS_SETTINGS_PWR_MODE_MASK … #define IQS269_SYS_SETTINGS_PWR_MODE_SHIFT … #define IQS269_SYS_SETTINGS_PWR_MODE_MAX … #define IQS269_SYS_SETTINGS_ULP_UPDATE_MASK … #define IQS269_SYS_SETTINGS_ULP_UPDATE_SHIFT … #define IQS269_SYS_SETTINGS_ULP_UPDATE_MAX … #define IQS269_SYS_SETTINGS_SLIDER_SWIPE … #define IQS269_SYS_SETTINGS_RESEED_OFFSET … #define IQS269_SYS_SETTINGS_EVENT_MODE … #define IQS269_SYS_SETTINGS_EVENT_MODE_LP … #define IQS269_SYS_SETTINGS_REDO_ATI … #define IQS269_SYS_SETTINGS_ACK_RESET … #define IQS269_FILT_STR_LP_LTA_MASK … #define IQS269_FILT_STR_LP_LTA_SHIFT … #define IQS269_FILT_STR_LP_CNT_MASK … #define IQS269_FILT_STR_LP_CNT_SHIFT … #define IQS269_FILT_STR_NP_LTA_MASK … #define IQS269_FILT_STR_NP_LTA_SHIFT … #define IQS269_FILT_STR_NP_CNT_MASK … #define IQS269_FILT_STR_MAX … #define IQS269_EVENT_MASK_SYS … #define IQS269_EVENT_MASK_GESTURE … #define IQS269_EVENT_MASK_DEEP … #define IQS269_EVENT_MASK_TOUCH … #define IQS269_EVENT_MASK_PROX … #define IQS269_RATE_NP_MS_MAX … #define IQS269_RATE_LP_MS_MAX … #define IQS269_RATE_ULP_MS_MAX … #define IQS269_TIMEOUT_PWR_MS_MAX … #define IQS269_TIMEOUT_LTA_MS_MAX … #define IQS269_MISC_A_ATI_BAND_DISABLE … #define IQS269_MISC_A_ATI_LP_ONLY … #define IQS269_MISC_A_ATI_BAND_TIGHTEN … #define IQS269_MISC_A_FILT_DISABLE … #define IQS269_MISC_A_GPIO3_SELECT_MASK … #define IQS269_MISC_A_GPIO3_SELECT_SHIFT … #define IQS269_MISC_A_DUAL_DIR … #define IQS269_MISC_A_TX_FREQ_MASK … #define IQS269_MISC_A_TX_FREQ_SHIFT … #define IQS269_MISC_A_TX_FREQ_MAX … #define IQS269_MISC_A_GLOBAL_CAP_SIZE … #define IQS269_MISC_B_RESEED_UI_SEL_MASK … #define IQS269_MISC_B_RESEED_UI_SEL_SHIFT … #define IQS269_MISC_B_RESEED_UI_SEL_MAX … #define IQS269_MISC_B_TRACKING_UI_ENABLE … #define IQS269_MISC_B_FILT_STR_SLIDER … #define IQS269_TOUCH_HOLD_SLIDER_SEL … #define IQS269_TOUCH_HOLD_DEFAULT … #define IQS269_TOUCH_HOLD_MS_MIN … #define IQS269_TOUCH_HOLD_MS_MAX … #define IQS269_TIMEOUT_TAP_MS_MAX … #define IQS269_TIMEOUT_SWIPE_MS_MAX … #define IQS269_THRESH_SWIPE_MAX … #define IQS269_CHx_ENG_A_MEAS_CAP_SIZE … #define IQS269_CHx_ENG_A_RX_GND_INACTIVE … #define IQS269_CHx_ENG_A_LOCAL_CAP_SIZE … #define IQS269_CHx_ENG_A_ATI_MODE_MASK … #define IQS269_CHx_ENG_A_ATI_MODE_SHIFT … #define IQS269_CHx_ENG_A_ATI_MODE_MAX … #define IQS269_CHx_ENG_A_INV_LOGIC … #define IQS269_CHx_ENG_A_PROJ_BIAS_MASK … #define IQS269_CHx_ENG_A_PROJ_BIAS_SHIFT … #define IQS269_CHx_ENG_A_PROJ_BIAS_MAX … #define IQS269_CHx_ENG_A_SENSE_MODE_MASK … #define IQS269_CHx_ENG_A_SENSE_MODE_MAX … #define IQS269_CHx_ENG_B_LOCAL_CAP_ENABLE … #define IQS269_CHx_ENG_B_SENSE_FREQ_MASK … #define IQS269_CHx_ENG_B_SENSE_FREQ_SHIFT … #define IQS269_CHx_ENG_B_SENSE_FREQ_MAX … #define IQS269_CHx_ENG_B_STATIC_ENABLE … #define IQS269_CHx_ENG_B_ATI_BASE_MASK … #define IQS269_CHx_ENG_B_ATI_BASE_75 … #define IQS269_CHx_ENG_B_ATI_BASE_100 … #define IQS269_CHx_ENG_B_ATI_BASE_150 … #define IQS269_CHx_ENG_B_ATI_BASE_200 … #define IQS269_CHx_ENG_B_ATI_TARGET_MASK … #define IQS269_CHx_ENG_B_ATI_TARGET_MAX … #define IQS269_CHx_WEIGHT_MAX … #define IQS269_CHx_THRESH_MAX … #define IQS269_CHx_HYST_DEEP_MASK … #define IQS269_CHx_HYST_DEEP_SHIFT … #define IQS269_CHx_HYST_TOUCH_MASK … #define IQS269_CHx_HYST_MAX … #define IQS269_CHx_HALL_INACTIVE … #define IQS269_CHx_HALL_ACTIVE … #define IQS269_HALL_PAD_R … #define IQS269_HALL_PAD_L … #define IQS269_HALL_PAD_INV … #define IQS269_HALL_UI … #define IQS269_HALL_UI_ENABLE … #define IQS269_MAX_REG … #define IQS269_OTP_OPTION_DEFAULT … #define IQS269_OTP_OPTION_TWS … #define IQS269_OTP_OPTION_HOLD … #define IQS269_NUM_CH … #define IQS269_NUM_SL … #define iqs269_irq_wait() … enum iqs269_local_cap_size { … }; enum iqs269_st_offs { … }; enum iqs269_th_offs { … }; enum iqs269_event_id { … }; enum iqs269_slider_id { … }; enum iqs269_gesture_id { … }; struct iqs269_switch_desc { … }; struct iqs269_event_desc { … }; static const struct iqs269_event_desc iqs269_events[] = …; struct iqs269_ver_info { … } __packed; struct iqs269_ch_reg { … } __packed; struct iqs269_sys_reg { … } __packed; struct iqs269_flags { … } __packed; struct iqs269_private { … }; static enum iqs269_slider_id iqs269_slider_type(struct iqs269_private *iqs269, int slider_num) { … } static int iqs269_ati_mode_set(struct iqs269_private *iqs269, unsigned int ch_num, unsigned int mode) { … } static int iqs269_ati_mode_get(struct iqs269_private *iqs269, unsigned int ch_num, unsigned int *mode) { … } static int iqs269_ati_base_set(struct iqs269_private *iqs269, unsigned int ch_num, unsigned int base) { … } static int iqs269_ati_base_get(struct iqs269_private *iqs269, unsigned int ch_num, unsigned int *base) { … } static int iqs269_ati_target_set(struct iqs269_private *iqs269, unsigned int ch_num, unsigned int target) { … } static int iqs269_ati_target_get(struct iqs269_private *iqs269, unsigned int ch_num, unsigned int *target) { … } static int iqs269_parse_mask(const struct fwnode_handle *fwnode, const char *propname, u8 *mask) { … } static int iqs269_parse_chan(struct iqs269_private *iqs269, const struct fwnode_handle *ch_node) { … } static int iqs269_parse_prop(struct iqs269_private *iqs269) { … } static const struct reg_sequence iqs269_tws_init[] = …; static int iqs269_dev_init(struct iqs269_private *iqs269) { … } static int iqs269_input_init(struct iqs269_private *iqs269) { … } static int iqs269_report(struct iqs269_private *iqs269) { … } static irqreturn_t iqs269_irq(int irq, void *context) { … } static ssize_t counts_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t hall_bin_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t hall_enable_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t hall_enable_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t ch_number_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t ch_number_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t rx_enable_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t rx_enable_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t ati_mode_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t ati_mode_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t ati_base_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t ati_base_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t ati_target_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t ati_target_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t ati_trigger_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t ati_trigger_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static DEVICE_ATTR_RO(counts); static DEVICE_ATTR_RO(hall_bin); static DEVICE_ATTR_RW(hall_enable); static DEVICE_ATTR_RW(ch_number); static DEVICE_ATTR_RW(rx_enable); static DEVICE_ATTR_RW(ati_mode); static DEVICE_ATTR_RW(ati_base); static DEVICE_ATTR_RW(ati_target); static DEVICE_ATTR_RW(ati_trigger); static struct attribute *iqs269_attrs[] = …; ATTRIBUTE_GROUPS(…); static const struct regmap_config iqs269_regmap_config = …; static int iqs269_probe(struct i2c_client *client) { … } static u16 iqs269_general_get(struct iqs269_private *iqs269) { … } static int iqs269_suspend(struct device *dev) { … } static int iqs269_resume(struct device *dev) { … } static DEFINE_SIMPLE_DEV_PM_OPS(iqs269_pm, iqs269_suspend, iqs269_resume); static const struct of_device_id iqs269_of_match[] = …; MODULE_DEVICE_TABLE(of, iqs269_of_match); static struct i2c_driver iqs269_i2c_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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