| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Elan I2C/SMBus Touchpad driver |
| * |
| * Copyright (c) 2013 ELAN Microelectronics Corp. |
| * |
| * Author: 林政維 (Duson Lin) <dusonlin@emc.com.tw> |
| * |
| * Based on cyapa driver: |
| * copyright (c) 2011-2012 Cypress Semiconductor, Inc. |
| * copyright (c) 2011-2012 Google, Inc. |
| * |
| * Trademarks are the property of their respective owners. |
| */ |
| |
| #ifndef _ELAN_I2C_H |
| #define _ELAN_I2C_H |
| |
| #include <linux/types.h> |
| |
| #define ETP_ENABLE_ABS 0x0001 |
| #define ETP_ENABLE_CALIBRATE 0x0002 |
| #define ETP_DISABLE_CALIBRATE 0x0000 |
| #define ETP_DISABLE_POWER 0x0001 |
| #define ETP_PRESSURE_OFFSET 25 |
| |
| #define ETP_CALIBRATE_MAX_LEN 3 |
| |
| /* IAP Firmware handling */ |
| #define ETP_PRODUCT_ID_FORMAT_STRING "%d.0" |
| #define ETP_FW_NAME "elan_i2c_" ETP_PRODUCT_ID_FORMAT_STRING ".bin" |
| #define ETP_IAP_START_ADDR 0x0083 |
| #define ETP_FW_IAP_PAGE_ERR (1 << 5) |
| #define ETP_FW_IAP_INTF_ERR (1 << 4) |
| #define ETP_FW_PAGE_SIZE 64 |
| #define ETP_FW_SIGNATURE_SIZE 6 |
| |
| struct i2c_client; |
| struct completion; |
| |
| enum tp_mode { |
| IAP_MODE = 1, |
| MAIN_MODE |
| }; |
| |
| struct elan_transport_ops { |
| int (*initialize)(struct i2c_client *client); |
| int (*sleep_control)(struct i2c_client *, bool sleep); |
| int (*power_control)(struct i2c_client *, bool enable); |
| int (*set_mode)(struct i2c_client *client, u8 mode); |
| |
| int (*calibrate)(struct i2c_client *client); |
| int (*calibrate_result)(struct i2c_client *client, u8 *val); |
| |
| int (*get_baseline_data)(struct i2c_client *client, |
| bool max_baseliune, u8 *value); |
| |
| int (*get_version)(struct i2c_client *client, bool iap, u8 *version); |
| int (*get_sm_version)(struct i2c_client *client, |
| u16 *ic_type, u8 *version, u8 *clickpad); |
| int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum); |
| int (*get_product_id)(struct i2c_client *client, u16 *id); |
| |
| int (*get_max)(struct i2c_client *client, |
| unsigned int *max_x, unsigned int *max_y); |
| int (*get_resolution)(struct i2c_client *client, |
| u8 *hw_res_x, u8 *hw_res_y); |
| int (*get_num_traces)(struct i2c_client *client, |
| unsigned int *x_tracenum, |
| unsigned int *y_tracenum); |
| |
| int (*iap_get_mode)(struct i2c_client *client, enum tp_mode *mode); |
| int (*iap_reset)(struct i2c_client *client); |
| |
| int (*prepare_fw_update)(struct i2c_client *client); |
| int (*write_fw_block)(struct i2c_client *client, |
| const u8 *page, u16 checksum, int idx); |
| int (*finish_fw_update)(struct i2c_client *client, |
| struct completion *reset_done); |
| |
| int (*get_report)(struct i2c_client *client, u8 *report); |
| int (*get_pressure_adjustment)(struct i2c_client *client, |
| int *adjustment); |
| int (*get_pattern)(struct i2c_client *client, u8 *pattern); |
| }; |
| |
| extern const struct elan_transport_ops elan_smbus_ops, elan_i2c_ops; |
| |
| #endif /* _ELAN_I2C_H */ |