diff options
Diffstat (limited to 'drivers/input/mouse/elan_i2c.h')
| -rw-r--r-- | drivers/input/mouse/elan_i2c.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h new file mode 100644 index 000000000000..2e838626205f --- /dev/null +++ b/drivers/input/mouse/elan_i2c.h @@ -0,0 +1,86 @@ +/* + * Elan I2C/SMBus Touchpad driver + * + * Copyright (c) 2013 ELAN Microelectronics Corp. + * + * Author: 林政維 (Duson Lin) <dusonlin@emc.com.tw> + * Version: 1.5.5 + * + * 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 + +/* IAP Firmware handling */ +#define ETP_FW_NAME "elan_i2c.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_PAGE_COUNT 768 +#define ETP_FW_SIZE (ETP_FW_PAGE_SIZE * ETP_FW_PAGE_COUNT) + +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 *version); + int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum); + int (*get_product_id)(struct i2c_client *client, u8 *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); +}; + +extern const struct elan_transport_ops elan_smbus_ops, elan_i2c_ops; + +#endif /* _ELAN_I2C_H */ |