// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2011-2016 Synaptics Incorporated * Copyright (c) 2011 Unixphere */ #include <linux/kernel.h> #include <linux/rmi.h> #include <linux/slab.h> #include <linux/uaccess.h> #include <linux/of.h> #include <linux/unaligned.h> #include "rmi_driver.h" #define RMI_PRODUCT_ID_LENGTH … #define RMI_PRODUCT_INFO_LENGTH … #define RMI_DATE_CODE_LENGTH … #define PRODUCT_ID_OFFSET … #define PRODUCT_INFO_OFFSET … /* Force a firmware reset of the sensor */ #define RMI_F01_CMD_DEVICE_RESET … /* Various F01_RMI_QueryX bits */ #define RMI_F01_QRY1_CUSTOM_MAP … #define RMI_F01_QRY1_NON_COMPLIANT … #define RMI_F01_QRY1_HAS_LTS … #define RMI_F01_QRY1_HAS_SENSOR_ID … #define RMI_F01_QRY1_HAS_CHARGER_INP … #define RMI_F01_QRY1_HAS_ADJ_DOZE … #define RMI_F01_QRY1_HAS_ADJ_DOZE_HOFF … #define RMI_F01_QRY1_HAS_QUERY42 … #define RMI_F01_QRY5_YEAR_MASK … #define RMI_F01_QRY6_MONTH_MASK … #define RMI_F01_QRY7_DAY_MASK … #define RMI_F01_QRY2_PRODINFO_MASK … #define RMI_F01_BASIC_QUERY_LEN … struct f01_basic_properties { … }; /* F01 device status bits */ /* Most recent device status event */ #define RMI_F01_STATUS_CODE(status) … /* The device has lost its configuration for some reason. */ #define RMI_F01_STATUS_UNCONFIGURED(status) … /* The device is in bootloader mode */ #define RMI_F01_STATUS_BOOTLOADER(status) … /* Control register bits */ /* * Sleep mode controls power management on the device and affects all * functions of the device. */ #define RMI_F01_CTRL0_SLEEP_MODE_MASK … #define RMI_SLEEP_MODE_NORMAL … #define RMI_SLEEP_MODE_SENSOR_SLEEP … #define RMI_SLEEP_MODE_RESERVED0 … #define RMI_SLEEP_MODE_RESERVED1 … /* * This bit disables whatever sleep mode may be selected by the sleep_mode * field and forces the device to run at full power without sleeping. */ #define RMI_F01_CTRL0_NOSLEEP_BIT … /* * When this bit is set, the touch controller employs a noise-filtering * algorithm designed for use with a connected battery charger. */ #define RMI_F01_CTRL0_CHARGER_BIT … /* * Sets the report rate for the device. The effect of this setting is * highly product dependent. Check the spec sheet for your particular * touch sensor. */ #define RMI_F01_CTRL0_REPORTRATE_BIT … /* * Written by the host as an indicator that the device has been * successfully configured. */ #define RMI_F01_CTRL0_CONFIGURED_BIT … /** * struct f01_device_control - controls basic sensor functions * * @ctrl0: see the bit definitions above. * @doze_interval: controls the interval between checks for finger presence * when the touch sensor is in doze mode, in units of 10ms. * @wakeup_threshold: controls the capacitance threshold at which the touch * sensor will decide to wake up from that low power state. * @doze_holdoff: controls how long the touch sensor waits after the last * finger lifts before entering the doze state, in units of 100ms. */ struct f01_device_control { … }; struct f01_data { … }; static int rmi_f01_read_properties(struct rmi_device *rmi_dev, u16 query_base_addr, struct f01_basic_properties *props) { … } const char *rmi_f01_get_product_ID(struct rmi_function *fn) { … } static ssize_t rmi_driver_manufacturer_id_show(struct device *dev, struct device_attribute *dattr, char *buf) { … } static DEVICE_ATTR(manufacturer_id, 0444, rmi_driver_manufacturer_id_show, NULL); static ssize_t rmi_driver_dom_show(struct device *dev, struct device_attribute *dattr, char *buf) { … } static DEVICE_ATTR(date_of_manufacture, 0444, rmi_driver_dom_show, NULL); static ssize_t rmi_driver_product_id_show(struct device *dev, struct device_attribute *dattr, char *buf) { … } static DEVICE_ATTR(product_id, 0444, rmi_driver_product_id_show, NULL); static ssize_t rmi_driver_firmware_id_show(struct device *dev, struct device_attribute *dattr, char *buf) { … } static DEVICE_ATTR(firmware_id, 0444, rmi_driver_firmware_id_show, NULL); static ssize_t rmi_driver_package_id_show(struct device *dev, struct device_attribute *dattr, char *buf) { … } static DEVICE_ATTR(package_id, 0444, rmi_driver_package_id_show, NULL); static struct attribute *rmi_f01_attrs[] = …; static const struct attribute_group rmi_f01_attr_group = …; #ifdef CONFIG_OF static int rmi_f01_of_probe(struct device *dev, struct rmi_device_platform_data *pdata) { … } #else static inline int rmi_f01_of_probe(struct device *dev, struct rmi_device_platform_data *pdata) { return -ENODEV; } #endif static int rmi_f01_probe(struct rmi_function *fn) { … } static void rmi_f01_remove(struct rmi_function *fn) { … } static int rmi_f01_config(struct rmi_function *fn) { … } static int rmi_f01_suspend(struct rmi_function *fn) { … } static int rmi_f01_resume(struct rmi_function *fn) { … } static irqreturn_t rmi_f01_attention(int irq, void *ctx) { … } struct rmi_function_handler rmi_f01_handler = …;
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