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- /*
- * 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.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
- *
- * 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,
- u8* ic_type, u8 *version);
- 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);
- };
- extern const struct elan_transport_ops elan_smbus_ops, elan_i2c_ops;
- #endif /* _ELAN_I2C_H */
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