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115 lines
3.5 KiB
115 lines
3.5 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Elan I2C/SMBus Touchpad driver |
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* |
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* Copyright (c) 2013 ELAN Microelectronics Corp. |
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* |
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* Author: 林政維 (Duson Lin) <[email protected]> |
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* |
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* Based on cyapa driver: |
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* copyright (c) 2011-2012 Cypress Semiconductor, Inc. |
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* copyright (c) 2011-2012 Google, Inc. |
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* |
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* Trademarks are the property of their respective owners. |
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*/ |
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#ifndef _ELAN_I2C_H |
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#define _ELAN_I2C_H |
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#include <linux/types.h> |
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#define ETP_ENABLE_ABS 0x0001 |
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#define ETP_ENABLE_CALIBRATE 0x0002 |
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#define ETP_DISABLE_CALIBRATE 0x0000 |
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#define ETP_DISABLE_POWER 0x0001 |
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#define ETP_PRESSURE_OFFSET 25 |
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#define ETP_CALIBRATE_MAX_LEN 3 |
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#define ETP_FEATURE_REPORT_MK BIT(0) |
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#define ETP_REPORT_ID 0x5D |
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#define ETP_TP_REPORT_ID 0x5E |
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#define ETP_TP_REPORT_ID2 0x5F |
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#define ETP_REPORT_ID2 0x60 /* High precision report */ |
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#define ETP_REPORT_ID_OFFSET 2 |
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#define ETP_TOUCH_INFO_OFFSET 3 |
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#define ETP_FINGER_DATA_OFFSET 4 |
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#define ETP_HOVER_INFO_OFFSET 30 |
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#define ETP_MK_DATA_OFFSET 33 /* For high precision reports */ |
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#define ETP_MAX_REPORT_LEN 39 |
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#define ETP_MAX_FINGERS 5 |
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#define ETP_FINGER_DATA_LEN 5 |
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/* IAP Firmware handling */ |
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#define ETP_PRODUCT_ID_FORMAT_STRING "%d.0" |
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#define ETP_FW_NAME "elan_i2c_" ETP_PRODUCT_ID_FORMAT_STRING ".bin" |
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#define ETP_IAP_START_ADDR 0x0083 |
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#define ETP_FW_IAP_PAGE_ERR (1 << 5) |
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#define ETP_FW_IAP_INTF_ERR (1 << 4) |
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#define ETP_FW_PAGE_SIZE 64 |
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#define ETP_FW_PAGE_SIZE_128 128 |
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#define ETP_FW_PAGE_SIZE_512 512 |
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#define ETP_FW_SIGNATURE_SIZE 6 |
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struct i2c_client; |
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struct completion; |
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enum tp_mode { |
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IAP_MODE = 1, |
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MAIN_MODE |
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}; |
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struct elan_transport_ops { |
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int (*initialize)(struct i2c_client *client); |
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int (*sleep_control)(struct i2c_client *, bool sleep); |
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int (*power_control)(struct i2c_client *, bool enable); |
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int (*set_mode)(struct i2c_client *client, u8 mode); |
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int (*calibrate)(struct i2c_client *client); |
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int (*calibrate_result)(struct i2c_client *client, u8 *val); |
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int (*get_baseline_data)(struct i2c_client *client, |
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bool max_baseliune, u8 *value); |
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int (*get_version)(struct i2c_client *client, u8 pattern, bool iap, |
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u8 *version); |
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int (*get_sm_version)(struct i2c_client *client, u8 pattern, |
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u16 *ic_type, u8 *version, u8 *clickpad); |
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int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum); |
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int (*get_product_id)(struct i2c_client *client, u16 *id); |
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int (*get_max)(struct i2c_client *client, |
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unsigned int *max_x, unsigned int *max_y); |
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int (*get_resolution)(struct i2c_client *client, |
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u8 *hw_res_x, u8 *hw_res_y); |
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int (*get_num_traces)(struct i2c_client *client, |
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unsigned int *x_tracenum, |
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unsigned int *y_tracenum); |
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int (*iap_get_mode)(struct i2c_client *client, enum tp_mode *mode); |
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int (*iap_reset)(struct i2c_client *client); |
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int (*prepare_fw_update)(struct i2c_client *client, u16 ic_type, |
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u8 iap_version, u16 fw_page_size); |
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int (*write_fw_block)(struct i2c_client *client, u16 fw_page_size, |
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const u8 *page, u16 checksum, int idx); |
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int (*finish_fw_update)(struct i2c_client *client, |
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struct completion *reset_done); |
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int (*get_report_features)(struct i2c_client *client, u8 pattern, |
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unsigned int *features, |
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unsigned int *report_len); |
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int (*get_report)(struct i2c_client *client, u8 *report, |
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unsigned int report_len); |
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int (*get_pressure_adjustment)(struct i2c_client *client, |
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int *adjustment); |
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int (*get_pattern)(struct i2c_client *client, u8 *pattern); |
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}; |
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extern const struct elan_transport_ops elan_smbus_ops, elan_i2c_ops; |
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#endif /* _ELAN_I2C_H */
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