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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright 2024 Intel Corporation */
#ifndef _HID_OVER_I2C_H_
#define _HID_OVER_I2C_H_
/**
* struct hidi2c_dev_descriptor - HIDI2C device descriptor definition
* @dev_desc_len: The length of the complete device descriptor, fixed to 0x1E (30).
* @bcd_ver: The version number of the HIDI2C protocol supported.
* In binary coded decimal (BCD) format.
* @report_desc_len: The length of the report descriptor
* @report_desc_reg: The register address to retrieve report descriptor
* @input_reg: the register address to retrieve input report
* @max_input_len: The length of the largest possible HID input (or feature) report
* @output_reg: the register address to send output report
* @max_output_len: The length of the largest output (or feature) report
* @cmd_reg: the register address to send command
* @data_reg: the register address to send command data
* @vendor_id: Device manufacturers vendor ID
* @product_id: Device unique model/product ID
* @version_id: Device’s unique version
* @reserved0: Reserved and should be 0
* @reserved1: Reserved and should be 0
*/
struct hidi2c_dev_descriptor {
__le16 dev_desc_len;
__le16 bcd_ver;
__le16 report_desc_len;
__le16 report_desc_reg;
__le16 input_reg;
__le16 max_input_len;
__le16 output_reg;
__le16 max_output_len;
__le16 cmd_reg;
__le16 data_reg;
__le16 vendor_id;
__le16 product_id;
__le16 version_id;
__le16 reserved0;
__le16 reserved1;
} __packed;
#endif /* _HID_OVER_I2C_H_ */
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