// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) 2016 Masaki Ota <[email protected]> */ #include <linux/kernel.h> #include <linux/hid.h> #include <linux/input.h> #include <linux/input/mt.h> #include <linux/module.h> #include <asm/unaligned.h> #include "hid-ids.h" /* ALPS Device Product ID */ #define HID_PRODUCT_ID_T3_BTNLESS … #define HID_PRODUCT_ID_COSMO … #define HID_PRODUCT_ID_U1_PTP_1 … #define HID_PRODUCT_ID_U1 … #define HID_PRODUCT_ID_U1_PTP_2 … #define HID_PRODUCT_ID_U1_DUAL … #define HID_PRODUCT_ID_T4_BTNLESS … #define DEV_SINGLEPOINT … #define DEV_DUALPOINT … #define U1_MOUSE_REPORT_ID … #define U1_ABSOLUTE_REPORT_ID … #define U1_ABSOLUTE_REPORT_ID_SECD … #define U1_FEATURE_REPORT_ID … #define U1_SP_ABSOLUTE_REPORT_ID … #define U1_FEATURE_REPORT_LEN … #define U1_FEATURE_REPORT_LEN_ALL … #define U1_CMD_REGISTER_READ … #define U1_CMD_REGISTER_WRITE … #define U1_DEVTYPE_SP_SUPPORT … #define U1_DISABLE_DEV … #define U1_TP_ABS_MODE … #define U1_SP_ABS_MODE … #define ADDRESS_U1_DEV_CTRL_1 … #define ADDRESS_U1_DEVICE_TYP … #define ADDRESS_U1_NUM_SENS_X … #define ADDRESS_U1_NUM_SENS_Y … #define ADDRESS_U1_PITCH_SENS_X … #define ADDRESS_U1_PITCH_SENS_Y … #define ADDRESS_U1_RESO_DWN_ABS … #define ADDRESS_U1_PAD_BTN … #define ADDRESS_U1_SP_BTN … #define T4_INPUT_REPORT_LEN … #define T4_FEATURE_REPORT_LEN … #define T4_FEATURE_REPORT_ID … #define T4_CMD_REGISTER_READ … #define T4_CMD_REGISTER_WRITE … #define T4_ADDRESS_BASE … #define PRM_SYS_CONFIG_1 … #define T4_PRM_FEED_CONFIG_1 … #define T4_PRM_FEED_CONFIG_4 … #define T4_PRM_ID_CONFIG_3 … #define T4_FEEDCFG4_ADVANCED_ABS_ENABLE … #define T4_I2C_ABS … #define T4_COUNT_PER_ELECTRODE … #define MAX_TOUCHES … enum dev_num { … }; /** * struct alps_dev * * @input: pointer to the kernel input device * @input2: pointer to the kernel input2 device * @hdev: pointer to the struct hid_device * * @dev_type: device type * @max_fingers: total number of fingers * @has_sp: boolean of sp existense * @sp_btn_info: button information * @x_active_len_mm: active area length of X (mm) * @y_active_len_mm: active area length of Y (mm) * @x_max: maximum x coordinate value * @y_max: maximum y coordinate value * @x_min: minimum x coordinate value * @y_min: minimum y coordinate value * @btn_cnt: number of buttons * @sp_btn_cnt: number of stick buttons */ struct alps_dev { … }; struct t4_contact_data { … }; struct t4_input_report { … }; static u16 t4_calc_check_sum(u8 *buffer, unsigned long offset, unsigned long length) { … } static int t4_read_write_register(struct hid_device *hdev, u32 address, u8 *read_val, u8 write_val, bool read_flag) { … } static int u1_read_write_register(struct hid_device *hdev, u32 address, u8 *read_val, u8 write_val, bool read_flag) { … } static int t4_raw_event(struct alps_dev *hdata, u8 *data, int size) { … } static int u1_raw_event(struct alps_dev *hdata, u8 *data, int size) { … } static int alps_raw_event(struct hid_device *hdev, struct hid_report *report, u8 *data, int size) { … } static int __maybe_unused alps_post_reset(struct hid_device *hdev) { … } static int __maybe_unused alps_post_resume(struct hid_device *hdev) { … } static int u1_init(struct hid_device *hdev, struct alps_dev *pri_data) { … } static int T4_init(struct hid_device *hdev, struct alps_dev *pri_data) { … } static int alps_sp_open(struct input_dev *dev) { … } static void alps_sp_close(struct input_dev *dev) { … } static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi) { … } static int alps_input_mapping(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { … } static int alps_probe(struct hid_device *hdev, const struct hid_device_id *id) { … } static const struct hid_device_id alps_id[] = …; MODULE_DEVICE_TABLE(hid, alps_id); static struct hid_driver alps_driver = …; module_hid_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux