projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 6696777c DL |
1 | /* |
| 2 | * Elan I2C/SMBus Touchpad driver | |
| 3 | * | |
| 4 | * Copyright (c) 2013 ELAN Microelectronics Corp. | |
| 5 | * | |
| 6 | * Author: 林政維 (Duson Lin) <dusonlin@emc.com.tw> | |
| 7 | * Version: 1.5.5 | |
| 8 | * | |
| 9 | * Based on cyapa driver: | |
| 10 | * copyright (c) 2011-2012 Cypress Semiconductor, Inc. | |
| 11 | * copyright (c) 2011-2012 Google, Inc. | |
| 12 | * | |
| 13 | * This program is free software; you can redistribute it and/or modify it | |
| 14 | * under the terms of the GNU General Public License version 2 as published | |
| 15 | * by the Free Software Foundation. | |
| 16 | * | |
| 17 | * Trademarks are the property of their respective owners. | |
| 18 | */ | |
| 19 | ||
| 20 | #ifndef _ELAN_I2C_H | |
| 21 | #define _ELAN_i2C_H | |
| 22 | ||
| 23 | #include <linux/types.h> | |
| 24 | ||
| 25 | #define ETP_ENABLE_ABS 0x0001 | |
| 26 | #define ETP_ENABLE_CALIBRATE 0x0002 | |
| 27 | #define ETP_DISABLE_CALIBRATE 0x0000 | |
| 28 | #define ETP_DISABLE_POWER 0x0001 | |
| 29 | ||
| 30 | /* IAP Firmware handling */ | |
| 31 | #define ETP_FW_NAME "elan_i2c.bin" | |
| 32 | #define ETP_IAP_START_ADDR 0x0083 | |
| 33 | #define ETP_FW_IAP_PAGE_ERR (1 << 5) | |
| 34 | #define ETP_FW_IAP_INTF_ERR (1 << 4) | |
| 35 | #define ETP_FW_PAGE_SIZE 64 | |
| 36 | #define ETP_FW_PAGE_COUNT 768 | |
| 37 | #define ETP_FW_SIZE (ETP_FW_PAGE_SIZE * ETP_FW_PAGE_COUNT) | |
| 38 | ||
| 39 | struct i2c_client; | |
| 40 | struct completion; | |
| 41 | ||
| 42 | enum tp_mode { | |
| 43 | IAP_MODE = 1, | |
| 44 | MAIN_MODE | |
| 45 | }; | |
| 46 | ||
| 47 | struct elan_transport_ops { | |
| 48 | int (*initialize)(struct i2c_client *client); | |
| 49 | int (*sleep_control)(struct i2c_client *, bool sleep); | |
| 50 | int (*power_control)(struct i2c_client *, bool enable); | |
| 51 | int (*set_mode)(struct i2c_client *client, u8 mode); | |
| 52 | ||
| 53 | int (*calibrate)(struct i2c_client *client); | |
| 54 | int (*calibrate_result)(struct i2c_client *client, u8 *val); | |
| 55 | ||
| 56 | int (*get_baseline_data)(struct i2c_client *client, | |
| 57 | bool max_baseliune, u8 *value); | |
| 58 | ||
| 59 | int (*get_version)(struct i2c_client *client, bool iap, u8 *version); | |
| 60 | int (*get_sm_version)(struct i2c_client *client, u8 *version); | |
| 61 | int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum); | |
| 62 | int (*get_product_id)(struct i2c_client *client, u8 *id); | |
| 63 | ||
| 64 | int (*get_max)(struct i2c_client *client, | |
| 65 | unsigned int *max_x, unsigned int *max_y); | |
| 66 | int (*get_resolution)(struct i2c_client *client, | |
| 67 | u8 *hw_res_x, u8 *hw_res_y); | |
| 68 | int (*get_num_traces)(struct i2c_client *client, | |
| 69 | unsigned int *x_tracenum, | |
| 70 | unsigned int *y_tracenum); | |
| 71 | ||
| 72 | int (*iap_get_mode)(struct i2c_client *client, enum tp_mode *mode); | |
| 73 | int (*iap_reset)(struct i2c_client *client); | |
| 74 | ||
| 75 | int (*prepare_fw_update)(struct i2c_client *client); | |
| 76 | int (*write_fw_block)(struct i2c_client *client, | |
| 77 | const u8 *page, u16 checksum, int idx); | |
| 78 | int (*finish_fw_update)(struct i2c_client *client, | |
| 79 | struct completion *reset_done); | |
| 80 | ||
| 81 | int (*get_report)(struct i2c_client *client, u8 *report); | |
| 82 | }; | |
| 83 | ||
| 84 | extern const struct elan_transport_ops elan_smbus_ops, elan_i2c_ops; | |
| 85 | ||
| 86 | #endif /* _ELAN_I2C_H */ |