// SPDX-License-Identifier: GPL-2.0-or-later /* * mcs5000_ts.c - Touchscreen driver for MELFAS MCS-5000 controller * * Copyright (C) 2009 Samsung Electronics Co.Ltd * Author: Joonyoung Shim <[email protected]> * * Based on wm97xx-core.c */ #include <linux/module.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/input.h> #include <linux/irq.h> #include <linux/platform_data/mcs.h> #include <linux/slab.h> /* Registers */ #define MCS5000_TS_STATUS … #define STATUS_OFFSET … #define STATUS_NO … #define STATUS_INIT … #define STATUS_SENSING … #define STATUS_COORD … #define STATUS_GESTURE … #define ERROR_OFFSET … #define ERROR_NO … #define ERROR_POWER_ON_RESET … #define ERROR_INT_RESET … #define ERROR_EXT_RESET … #define ERROR_INVALID_REG_ADDRESS … #define ERROR_INVALID_REG_VALUE … #define MCS5000_TS_OP_MODE … #define RESET_OFFSET … #define RESET_NO … #define RESET_EXT_SOFT … #define OP_MODE_OFFSET … #define OP_MODE_SLEEP … #define OP_MODE_ACTIVE … #define GESTURE_OFFSET … #define GESTURE_DISABLE … #define GESTURE_ENABLE … #define PROXIMITY_OFFSET … #define PROXIMITY_DISABLE … #define PROXIMITY_ENABLE … #define SCAN_MODE_OFFSET … #define SCAN_MODE_INTERRUPT … #define SCAN_MODE_POLLING … #define REPORT_RATE_OFFSET … #define REPORT_RATE_40 … #define REPORT_RATE_80 … #define MCS5000_TS_SENS_CTL … #define MCS5000_TS_FILTER_CTL … #define PRI_FILTER_OFFSET … #define SEC_FILTER_OFFSET … #define MCS5000_TS_X_SIZE_UPPER … #define MCS5000_TS_X_SIZE_LOWER … #define MCS5000_TS_Y_SIZE_UPPER … #define MCS5000_TS_Y_SIZE_LOWER … #define MCS5000_TS_INPUT_INFO … #define INPUT_TYPE_OFFSET … #define INPUT_TYPE_NONTOUCH … #define INPUT_TYPE_SINGLE … #define INPUT_TYPE_DUAL … #define INPUT_TYPE_PALM … #define INPUT_TYPE_PROXIMITY … #define GESTURE_CODE_OFFSET … #define GESTURE_CODE_NO … #define MCS5000_TS_X_POS_UPPER … #define MCS5000_TS_X_POS_LOWER … #define MCS5000_TS_Y_POS_UPPER … #define MCS5000_TS_Y_POS_LOWER … #define MCS5000_TS_Z_POS … #define MCS5000_TS_WIDTH … #define MCS5000_TS_GESTURE_VAL … #define MCS5000_TS_MODULE_REV … #define MCS5000_TS_FIRMWARE_VER … /* Touchscreen absolute values */ #define MCS5000_MAX_XC … #define MCS5000_MAX_YC … enum mcs5000_ts_read_offset { … }; /* Each client has this additional data */ struct mcs5000_ts_data { … }; static irqreturn_t mcs5000_ts_interrupt(int irq, void *dev_id) { … } static void mcs5000_ts_phys_init(struct mcs5000_ts_data *data, const struct mcs_platform_data *platform_data) { … } static int mcs5000_ts_probe(struct i2c_client *client) { … } static int mcs5000_ts_suspend(struct device *dev) { … } static int mcs5000_ts_resume(struct device *dev) { … } static DEFINE_SIMPLE_DEV_PM_OPS(mcs5000_ts_pm, mcs5000_ts_suspend, mcs5000_ts_resume); static const struct i2c_device_id mcs5000_ts_id[] = …; MODULE_DEVICE_TABLE(i2c, mcs5000_ts_id); static struct i2c_driver mcs5000_ts_driver = …; module_i2c_driver(…) …; /* Module information */ MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux